Technical field
[0001]
The present invention relates to a liquid container.
BACKGROUND
[0002]
As an embodiment of the liquid container, a so-called ink pack is known (e.g., Patent Documents 1-3). The ink pack, an ink jet printer (hereinafter, simply referred to as "printer".) Which is one embodiment of the liquid ejecting apparatus is an ink to be supplied to, and housed in the housing body, such as bag-like member having flexibility. The printer ink pack is attached are provided with a casing, such as trays ink pack is arranged. In such printers, by placing the ink pack in the case, by attaching the ink pack to the printer together with the case, the ink supply path and the between the ink pack and the printer, the electrical communication path is established.
CITATION
Patent Document
[0003]
Patent Document 1: JP 2009-279876 Patent Publication
Patent Document 2: International Publication WO2013 / 105504 pamphlet
Patent Document 3: JP 2014-240182 JP
Summary of the Invention
Problems that the Invention is to Solve
[0004]
　The ink pack, to the printer, it is desirable that the mounting at the right posture are determined in advance. If the loading orientation is not appropriate, it may become impossible to establish a supply path and an electrical communication path of the ink printer. The connection state of the supply path and an electrical communication path of the ink becomes unstable, with the passage of time, the connection state is also feared that deteriorates. Besides, when the connection to the printer, excessive stress is caused by contact with the components of the printer side, it is possible that damage or deterioration occurs. For improving the loading orientation for the printer of the ink pack, from the past, studies have been superimposed, there is still room for improvement. Such problem is not limited to the ink pack to be attached to the printer, a problem common in the liquid container that is mounted on a liquid ejecting apparatus.
Means for Solving the Problems
[0005]
　The present invention has been made to solve at least part of the problems described above, and can be realized as the following aspects.
[0006]
According to [1] an embodiment of the present invention, a liquid container is provided. The liquid container is mounted on the liquid ejecting apparatus. The direction parallel to the gravity direction and Z direction, said the said gravity direction and the same direction + Z direction of the Z-direction, the opposite direction to the gravity direction of the Z-direction and -Z direction, the Z-direction and a direction perpendicular to the Y direction, the the one direction + Y direction of the Y-direction, said the other direction the -Y direction of the Y-direction, perpendicular to said Z-direction and the Y-direction direction was the X direction, the as one of the direction + X direction of the X-direction, the other direction of said X-direction and -X direction.
　The liquid ejecting device includes a housing, a case, a liquid introducing portion, the apparatus-side electric connection portion. The housing case receiving portion is provided inside. The case is inserted into the case receiving portion by moving along the + Y direction. The case, in a state disposed in the case accommodating portion has a bottom surface facing the -Z direction, and two guide portions projecting from the bottom surface to the -Z direction. The liquid introducing portion is located at an end portion of the + Y direction side of the case accommodating portion. The device-side electric connection portion is located at the end portion of the + Y direction side of the case accommodating portion.
　The liquid container is detachably attached to the case. The liquid container includes a bag-like member, connected to the member. The bag-like member, accommodating portion for accommodating the liquid is provided in the interior. The connecting member is in the mounting state where the liquid storage body is mounted on the liquid ejecting apparatus, located at the end portion of the + Y direction side.
　It said connecting member includes a liquid outlet, and a container-side electric connection portion, and two guided portions, are provided. Said liquid outlet is in the mounted state, the liquid inlet portion is inserted into the -Y direction. The container-side electric connection portion, in the mounting state, the device-side electric connection portion to the -Y direction is connected. Said two guided portions, in a state where the liquid storage body is disposed in the casing, wherein each of the at least a portion of the two guide portions fit.
　When in the mounted state, in the X direction, between the two guided portion, the aforementioned liquid outlet port is located, one of of said two guided portions, between the liquid outlet port to the container-side electric connection portion is located.
　According to the liquid container having the above configuration, by two guided portions are fitted in the guide portion corresponding arrangement and orientation of the liquid container in the case is stabilized. Therefore, deterioration of the loading orientation for the relative liquid ejecting apparatus in the liquid container is suppressed, deterioration of the connection state of the liquid container to the liquid ejecting apparatus can be suppressed.
　Further, the three points of the two guided portions and the liquid outlet, because it is the positioning of the container-side electric connection portion, the rotation of the arrangement orientation of the liquid container to the apparatus-side electric connection portion is suppressed. Therefore, reduction of the electrical connection between the liquid container and the liquid ejecting apparatus can be suppressed, it is suppressed that unnecessary stress to the contact portion between the liquid ejecting apparatus and a liquid container occurs, the contact portion damage and deterioration of is suppressed.
[0007]
[2] In the liquid container having the above-described embodiment, when in the mounted state, the two guided portions may be disposed on the -Y direction side of the container-side electric connection portion and said liquid outlet .
　According to the liquid container having the above configuration, the liquid outlet port is disposed at a position spaced from the imaginary straight line connecting the two guided portions. Accordingly, the container-side positioning accuracy of the electrical connection according to three points of the two guided portions and the liquid outlet port is further enhanced, the rotation of the arrangement orientation of the liquid container is further suppressed with respect to the apparatus-side electrical connection.
　Further, a the container-side electric connection portion liquid outlet port is, since provided collectively at a position closer to the end of the + Y direction side in the connecting member, it is possible to miniaturize the connecting member. Other, connecting the liquid outlet to the liquid inlet portion, and are connected to facilitation of the container-side electrical connection to the device side electrical connection.
[0008]
[3] In the liquid container having the above-described embodiment, when in the mounted state, the receiving portion may be disposed on the -Y direction side than the two guided portions.
　According to the liquid container having the above configuration, to sandwich the two guided portions, the liquid outlet port and the container-side electrical connection is located away from the accommodation portion of the bag-like member. Thus, by the support of the guided portion that is fitted in the guide portion corresponding change in the arrangement attitude of the bag-like member, connecting portion between the liquid outlet and the liquid inlet portion, and the container-side electrical connection with the apparatus it is prevented that affects up to a connection portion between the electrical connections. Thus, the occurrence of sustained stress in their connection point is suppressed, deformation and deterioration of the connection part is suppressed.
[0009]
[4] In the liquid container having the above-described embodiment, the container-side electric connection portion has a terminal portion for electrical contact with the device-side electric connection portion, the terminal portion in the mounting state, the two than the end of the -Z direction side of the guide portion is located in the + Z direction side, by the device-side electric connection portion may be pressed at least in the + Z direction side.
　According to the liquid container having the above configuration, the rotation of the fact that fits the guide section corresponding to the guide section, the + Z direction of the arrangement attitude of the connecting member caused by the pressing of the terminal portion by the device-side electric connection portion It is suppressed.
[0010]
[5] In the liquid container having the above-described embodiment, the liquid ejecting apparatus, in the case receiving portion has two positioning portions from the end portion of the + Y direction side and extends toward the -Y direction side, said connecting member of said liquid container, two receiving portions for receiving each of the two positioning portions are provided, the two receiving portions, said liquid outlet in the X direction when in the mounted state located in mutually spaced positions sandwiching, wherein each of the two receiving portions, when viewed in the Y direction when in the mounted state, the two either one of the guided portion DOO at least some may overlap.
　According to the liquid container having the above configuration, the two receiving portions for receiving the positioning portion, the positioning accuracy in the connection of the liquid outlet portion is increased relative to the liquid outlet, improved connectivity to the liquid ejecting apparatus of the liquid container It is. Further, the connection between the two positioning portions and two receiving portions, the rotation of the arrangement orientation of the liquid container is suppressed, its mounting posture is more stabilized. Therefore, it is possible to better maintain the connection state of the liquid supply path and electrical communication path between the liquid ejecting apparatus and a liquid container.
[0011]
[6] In the liquid container having the above-described embodiment, the at least one of the two guided portion, in the connection member may be provided across the Z direction when in the mounted state.
　According to the liquid container having the above configuration, when arranging the liquid container to the casing, enhanced visibility of the guide portion and the guided portion, the mounting of the liquid container relative to the case is improved.
[0012]
[7] In the liquid container having the above-described embodiment, the two guided portions, at least, the end of the inlet side of the guide portion corresponding is inserted, the inclined surface is inclined so as to face to said inlet it may have.
　According to the liquid container having the above configuration, when arranging the liquid container to the case, can be carried out smoothly insert operations of the guide portion to the guided portion, the mounting of the liquid container relative to the case is improved that.
[0013]
[8] The liquid container of the above embodiment, the tip portion of the bag-like member, in the X direction when in the mounted state, overlaps with the two guided portion, the bag-like member, the mounting when viewed in the Y direction when in the state, may have a portion overlapping with the two guided portions.
　According to the liquid container having the above configuration, since the positional deviation of the supply port in the connecting member is suppressed, decrease in the connection state of the liquid supply path between the liquid ejecting apparatus and the liquid container can be suppressed. Further, the assembly of the liquid container is facilitated.
[0014]
[9] The liquid container of the above embodiment, the bag-like member, said the + Y direction side when in the mounted state, has a tip portion held by the connecting member, wherein the tip portion, the in the X direction when in the mounted state, may have a portion overlapping with the two guided portions.
　According to the liquid container having the above configuration, the connecting member, the guided portion, it is possible to support the front end portion of the bag-like member, positional displacement of the bag-like member is suppressed to the connection member, of the liquid container deterioration of the mounting posture is suppressed. The bag-like member is protected by the connecting member, the impact resistance performance of the liquid container is increased.
[0015]
[10] In the liquid container having the above-described embodiment, the tip is in the X direction when in the worn state, the overlap with the two guided portion, in the Y direction when in the mounted state, the overlapping two guided portion, the two along one of the inner peripheral surface of the guided portion may have a recess which is recessed in a direction toward the bag-like member from the guided member .
　According to the liquid container having the above configuration, while suppressing the interference and the bag-like member and two guided portions, you are possible to improve the impact performance of the liquid container.
[0016]
　A plurality of components included in each aspect of the present invention described above is not all mandatory, order to solve part or all of the problems described above or some or all of the effects described herein to achieve appropriate for some of the components of said plurality of components, the change, deletion, replacement with a new other components, it is possible to delete a part of limiting contents. In addition, since the solution to some or all of the above problems, or to achieve some or all of the effects described herein, the technical features included in one embodiment of the present invention described above some or in combination with some or all of the technical features included in other embodiments of the invention described above all, it is also possible to separate one aspect of the present invention.
[0017]
　The present invention can be implemented in various forms other than the liquid container. For example, it is possible to realize a connection method and connection structure or the like in the form of a liquid container liquid ejecting apparatus and a liquid ejecting system, in the liquid ejecting apparatus. In this specification, "system" refers to a configuration form in which a plurality of components are in cooperation with each other in order to exert one or more functions. The "system", as well as embodiments that cooperation is disposed in a location that some or all leaves of a plurality of components in a single device, embodiments in which a plurality of components are in cooperation with each other It is also included.
BRIEF DESCRIPTION OF THE DRAWINGS
[0018]
[1] a schematic perspective view showing an external configuration of the liquid ejecting apparatus.
[2] first schematic diagram showing the internal structure of the liquid ejecting apparatus.
[Figure 3] a second schematic diagram showing the internal structure of the liquid ejecting apparatus.
[Figure 4] a schematic perspective view illustrating only the liquid supply unit.
[5] a schematic perspective view showing a connection receiving part.
[6] a schematic cross-sectional view of the inlet of the case accommodating portion.
[Figure 7] a schematic perspective view of the first attachment member viewed from above.
[8] a schematic perspective view when viewing the first mounting member from below.
[9] a schematic view of the top surface side of the first mounting member.
[Figure 10] schematic diagram showing a lower surface side of the first mounting member.
[Figure 11] schematic diagram showing the left side of the first mounting member.
[Figure 12] schematic diagram showing the front side of the first mounting member.
[Figure 13] schematic exploded perspective view showing in isolation the first case and the first liquid container.
[Figure 14] schematic cross-sectional view of the first mounting member.
[Figure 15] schematic perspective view illustrating only the vicinity of the connecting member.
Schematic perspective view illustrating only the vicinity of the FIG. 16 the container-side electrical connections.
[Figure 17] schematic perspective view when viewed second mounting member from above.
[Figure 18] schematic perspective view when viewed second mounting member from below.
[Figure 19] schematic diagram showing a top side of the second mounting member.
[Figure 20] schematic diagram showing a lower surface side of the second mounting member.
[Figure 21] schematic diagram showing the left side of the second mounting member.
[Figure 22] schematic diagram showing the front side of the second mounting member.
[Figure 23] schematic exploded perspective view showing in isolation the second case and a second liquid container.
[Figure 24] schematic diagram showing a rear side of the second mounting member.
[Figure 25] schematic view for illustrating the mounting mechanism of the liquid container to the connection receiving part.
[Figure 26A] schematic diagram for explaining the mechanism of engagement of the engaging portion with respect to the engaged portion.
[Figure 26B] schematic diagram for explaining the mechanism of release of the engagement between the engaging portion and the engaging portion.
[Figure 27A] schematic view when viewed front end side in the + Z direction in the mounting direction of the first mounting member.
[Figure 27B] schematic view when viewed front end side in the + Z direction in the mounting direction of the second mounting member.
[Figure 28] schematic view schematically showing the sectional structure of the mounting body.
[Figure 29] schematic diagram showing a first liquid container in a state of being arranged in the second case.
[Figure 30] exploded perspective view of the liquid container.
[31] The first schematic sectional view of a connecting member.
[Figure 32] second schematic sectional view of a connecting member.
[Figure 33A] schematic diagram showing the position of the bag-like member for connecting members of the first liquid container.
[Figure 33B] schematic diagram showing the position of the bag-like member for connecting members of the second liquid container.
[Figure 34] schematic view for explaining the configuration of the accommodating portion in the inside of the bag-like member.
[35] handle schematic perspective view showing a first liquid container when in the second position.
[Figure 36] schematic diagram showing an extracted base end portion near the handle when in the second position.
Schematic diagram showing the attachment body when [FIG. 37] handle is in the first position.
[Figure 38] schematic diagram showing a mounting member in the second embodiment.
[Figure 39] schematic diagram showing a liquid container in the third embodiment.
[Figure 40] schematic diagram showing a liquid container according to the fourth embodiment.
[Figure 41] schematic view for explaining the structure of the liquid container in the fifth embodiment.
DESCRIPTION OF THE INVENTION
[0019]
A. First Embodiment
　In the first embodiment, with reference to FIGS, illustrating the configuration of a liquid ejecting apparatus 10. Referring also to FIGS. 7 to 37, the configuration of the liquid container 100 to be mounted on the liquid ejecting apparatus 10 will be described the configuration of the case 61 used for mounting of the liquid container 100. In this specification, the liquid ejecting apparatus 10 in a state where the liquid container 100 is mounted is also referred to as a "liquid ejecting system 11".
[0020]
A1. Construction of a liquid ejecting apparatus:
[external configuration of the liquid ejecting apparatus]
　FIG. 1 is a schematic perspective view showing an external configuration of a liquid ejecting apparatus 10 constituting a liquid injection system 11. In FIG. 1, the arrow X shows three mutually orthogonal directions, Y, Z are shown. The arrows X, Y, Z, in other different drawings referred to herein as corresponding to FIG. 1, as appropriate, are shown.
[0021]
　Direction indicated by arrow X, Y, Z corresponds to the arrangement orientation of the liquid ejecting apparatus 10 when in the normal use. Normal use of the liquid ejecting apparatus 10 is a state in which the liquid ejecting apparatus 10 is used by being arranged in a horizontal plane. Hereinafter, arrows X, Y, respectively direction indicated Z "X direction", "Y-direction" is referred to as "Z direction". Among the X direction, one direction is referred to as "+ X direction", the other direction is referred to as "-X direction". Y, and also the Z-direction, similarly, the one direction is referred to as "+ Y direction", and "+ Z direction", the other direction is referred to as "-Y direction" and "-Z direction".
[0022]
　X, Y, the Z-direction, Z-direction, Y-direction, will be described in the order of X-direction. Z direction indicates the direction parallel to the direction of gravity. + Z direction is the direction of gravity, -Z direction is a direction opposite to the direction of gravity. Z-direction coincides with the vertical direction of the liquid ejecting apparatus 10 (the height direction). In the following description, when the terms liquid ejecting apparatus 10 is referred to as "upper" or "lower", unless otherwise specified, means a vertical direction relative to the direction of arrow Z, "upper" is -Z direction it means, "lower" means the + Z direction. Moreover, the "horizontal direction" means a direction perpendicular to the Z direction.
[0023]
　Y direction indicates the detachment direction of the liquid container 100 in the liquid ejecting apparatus 10, coincides with the direction parallel to the longitudinal direction (depth direction) of the liquid ejecting apparatus 10. + Y direction indicates the direction of mounting the liquid container 100 to the liquid ejecting apparatus 10, coincides with the direction toward the rear side from the front side of the liquid ejecting apparatus 10. -Y direction indicates the removal direction of the liquid container 100 to the liquid ejecting apparatus 10, matches from the back side of the liquid ejecting apparatus 10 in a direction toward the front side. In the following description, when the terms liquid ejecting apparatus 10 is referred to as "front" or "rear", unless otherwise specified, it means a longitudinal direction relative to the direction of arrow Y, "front" is -Y direction it means, "after" means the + Y direction.
[0024]
　X direction indicates the direction parallel to the lateral direction of the liquid ejecting apparatus 10 (the width direction). + X direction coincides from the right side when faces the front of the liquid ejecting apparatus 10 in the direction toward the left side, -X direction is reversed, coincides with the direction from left to right. In the following description, when the terms liquid ejecting apparatus 10 is referred to as a "right" or "left", unless otherwise specified, it means a lateral direction relative to the direction of the arrow X, "right" -X direction means, "left" means the + X direction.
[0025]
　In the following description, the liquid ejection device 10 when X in the description of the components that can be separated from the liquid ejection device 10 (such as the case 61 and the liquid container 100), Y, Z-direction are both in the normal use it is intended as a reference the appropriate posture in the mounted mounted state.
[0026]
　In the present embodiment, the liquid ejecting apparatus 10 is an inkjet printer, a liquid injection system 11 is a printing system of an ink jet system. Liquid consumed by ejecting the liquid ejecting apparatus 10 of the present embodiment is an ink. The ink may be, for example, a pigment ink. Liquid ejecting apparatus 10 ejects ink droplets to form an image by recording ink dots on the medium to be processed. The medium is, for example, printing paper. Liquid ejecting apparatus 10 of the present embodiment includes a housing 10c is a hollow box body made of resin constituting the exterior of the liquid ejection device 10. The housing 10c has a substantially rectangular parallelepiped shape. Oriented in the -Y direction side, the front portion 12 which directly face that is assumed when the user operates the liquid ejection device 10 includes an operating section 13, a media exit 14, the medium receiving portion 15, medium a storage port 16, the media housing section 17, a cover member 18, is provided.
[0027]
　Operation unit 13 includes a display unit 13i for displaying information to the user, a plurality of operation buttons 13b that accepts user operations, the. Medium discharge port 14 is the outlet of the medium fed from the inside of the liquid ejecting apparatus 10. Medium discharge port 14, the X direction is formed as a wide slit opening width, open to the -Y direction. Medium receiving portion 15 is flared like eaves in the -Y direction at the lower side of the medium discharge port 14, receives the medium discharged from the medium outlet 14.
[0028]
　Medium accommodating opening 16 is an opening for a user to replenish the medium to the liquid ejecting apparatus 10. In the present embodiment, the medium accommodating port 16, below the medium receiving portion 15 has an opening in the -Y direction, has a larger generally rectangular opening shape having a width in the X direction. Media housing section 17 is a tray-like member for accommodating a stock of medium to be processed medium in the present embodiment. Media housing section 17, with its front face is visible from the outside of the liquid ejecting apparatus 10 via the medium receiving opening 16, is housed in the media housing opening 16. Users, houses a medium to medium accommodating unit 17 drawn out from the liquid ejecting apparatus 10 via the medium receiving opening 16 in the -Y direction, again loaded from the medium accommodating port 16 of the media housing section 17, a media storage sockets 16 by, it can be supplemented with medium in the liquid ejecting apparatus 10.
[0029]
　The cover member 18 is a plate-shaped member made of resin constituting a part of the exterior of the liquid ejection device 10. In the present embodiment, the cover member 18 has a width in the X direction has a wide substantially rectangular shape and is disposed below the medium accommodating opening 16. The cover member 18 has a claw portion (not shown) on its outer periphery, is removably attached to the housing 10c. The cover member 18 protects the plurality of liquid container 100, which is housed inside the liquid ejecting apparatus 10 covered.
[0030]
[Internal configuration of the liquid ejecting apparatus]
　to FIGS. 2-6 with reference in order to explain the outline of the internal configuration of the liquid ejecting apparatus 10. Figure 2 is a schematic view when viewed liquid ejecting apparatus 10 in the + Y direction by removing the housing 10c and the cover member 18. In FIG. 2, among the main components of a liquid ejection device 10, a control unit 20, and the injection execution unit 30, a media transport 35, extracts the liquid supply section 40, a case receiving portion 60, FIG. It is shown. Figure 3 is a schematic view when viewed liquid ejecting apparatus 10 in the + Z direction by removing the housing 10c and the cover member 18. In Figure 3, the illustration of the control unit 20 and the injection execution unit 30 and a media transport 35, which is shown in Figure 2 are omitted. Further, in FIG. 3, for convenience, a plurality of the liquid container 100, respectively, together with the case 61 from the area LA is a mounting position where the mounting is completed to the liquid ejecting apparatus 10 illustrates the state of pulling the -Y direction is there.
[0031]
　Liquid ejecting apparatus 10 includes a control unit 20, and the injection execution unit 30, a media transport 35, and a liquid supply unit 40, a case receiving portion 60, (Figure 2). In the liquid ejecting apparatus 10, via a supply pipe 42 of the liquid supply unit 40, liquid is supplied to the injection execution unit 30 from the liquid container 100 housed in the case receiving portion 60. Then, by injection execution unit 30 to the medium MP to media transport 35 is conveyed feeding the media housing unit 17 ejects liquid, the printed image on the medium MP is formed. Control unit 20, the injection execution unit 30 will be described media transport 35, the liquid supply unit 40 and the case receiving portion 60 in this order.
[0032]
[Control Unit]
　The control unit 20 controls the driving of each component in the liquid ejecting apparatus 10. Control unit 20 includes at least a central processing unit, is constituted by a microcomputer comprising: a main memory, a central processing unit exerts various functions by reading and executing various programs in the main storage device. The function of the control unit 20 will be described sequentially.
[0033]
[Injection execution unit]
　injection execution unit 30 includes a head portion 31, a plurality of tubes 32, (Figure 2). Head portion 31 through a plurality of tubes 32, supplied with liquid from the liquid supply unit 40. It will be described later feeding mechanism of the liquid from the liquid supply unit 40. Head portion 31 includes a liquid chamber for accommodating the liquid supplied from the liquid supply unit 40 (not illustrated in). The bottom surface of the liquid chamber, a nozzle 33 which opens downward is provided. Head portion 31, under control of the control unit 20, for example, by a known method such as application of pressure to the ink by a piezo element, for discharging the liquid in the liquid chamber from the nozzle 33.
[0034]
　In this embodiment, the head unit 31 is mounted on the carriage 34, under control of the control unit 20, and is configured to linearly reciprocate in the X direction. 2 shows, both arrows PS indicating a moving direction and a moving range of the head portion 31 is shown. In the present embodiment, the main scanning direction of the liquid ejecting apparatus 10 corresponds to the X direction. Injection execution unit 30, as a drive mechanism for moving the head unit 31 includes a guide shaft for the carriage 34 moves, and a motor for generating a driving force, and the pulley for transmitting a driving power. Incidentally, the illustration and detailed description thereof will be omitted.
[0035]
　A plurality of tubes 32 that are connected to the head portion 31 has flexibility. A plurality of tubes 32 are arranged in parallel in the Y direction. A plurality of tubes 32 is disposed in substantially linearly along + X direction scanning path of the head portion 31 from the joint portion 43 is a connection part of the supply pipe 42 of the liquid supply unit 40 to be described later, upward is connected to the head portion 31 is folded in the -X direction curved Te. Curved portion 32r of the plurality of tubes 32 are displaced along with the movement of the head portion 31. Thereby, it is prevented that the main scanning of the head portion 31 is hindered to a plurality of tubes 32, the movement operation of the head portion 31 is smooth.
[0036]
[Media transport]
　medium conveyance unit 35, under control of the control unit 20, carrying a medium MP to be processed (Fig. 2). Media transport 35 includes a transport roller 36 which is spanned in the X direction under the head portion 31. Below the transport roller 36, the media housing section 17 described above is disposed. Media transport 35, one by one feeding feeding mechanism media MP on the outer peripheral side surface of the transport roller 36 from the media housing section 17 (not shown) is provided with a. Media transport 35, the driving motor (not shown) rotates the transport roller 36 by the rotation driving force to move the media MP in the -Y direction below the head portion 31. In the present embodiment, the sub-scanning direction of the liquid ejecting apparatus 10 coincides with the -Y direction. Medium MP passing through the lower region of the head portion 31 is discharged via the medium outlet 14 to the outside of the liquid ejecting apparatus 10.
[0037]
　During the execution of the printing process in the liquid ejecting apparatus 10, the control unit 20, by the medium conveyance unit 35 is conveyed in the sub-scanning direction described above medium MP. Then, above the transport roller 36, the head portion 31, along the conveying roller 36 is reciprocated in the main scanning direction, at timing determined based on the print data toward the print surface of the medium MP, the head portion 31 ink droplets are ejected from. Thus, on the medium MP, ink dots are recorded in the position determined based on the print data, an image is formed based on the print data.
[0038]
Liquid supply unit]
　4, with reference with FIGS. 2 and 3, will be described a liquid supply unit 40. Figure 4 is a schematic perspective view illustrating only the liquid supply unit 40. FIG 4, in order to show the positional relationship between the liquid supply portion 40 and the opening member 62 in the liquid ejecting apparatus 10, with the liquid supply section 40, is illustrated by extracting opening member 62. Liquid supply unit 40 includes, in addition to a plurality of supply pipe 42 and the joint portion 43 described above, includes a plurality of connection receiving unit 50, a fluctuating pressure generator 45, a pressure transmission pipe 46, (Figure 3, Figure 4 ). First, description will be given of a configuration of a plurality of connection receiving unit 50, will now be described supply pipe 42 and the joint portion 43. The described pressure fluctuation generator 45 and the pressure transmission pipe 46 constituting the suction-delivery mechanism of the liquid.
[0039]
Connection receiving unit]
　The liquid supply unit 40 via a plurality of connection receiving unit 50, is connected to each of the plurality of liquid container 100 is accommodated in the case accommodating portion 60. In the liquid ejecting apparatus 10 of the present embodiment, as described later, four liquid container 100 for each color ink is mounted. Therefore, in this embodiment, the liquid supply unit 40 so as to correspond to each of the four liquid container 100 is provided with four connection receiving portion 50.
[0040]
　Three of the four liquid container 100 of this embodiment is a first liquid container 100a can accommodate capacity are equal to each other a liquid, and the remaining one, capable of accommodating capacity first liquid containing a liquid body 100a is greater than the second liquid container 100b. Three of the plurality of connecting the receiving portion 50 is a first connection receiving portion 50a corresponding to the first liquid container 100a, and the remaining one, second connection acceptance corresponding to the second liquid container 100b it is a part 50b. The first connection receiving portion 50a and the second connection receiving portion 50b, unless necessary to distinguish, generally referred to as "connection receiving part 50". For even the first liquid storage body 100a and the second liquid container 100b, similarly, unless otherwise necessary to distinguish, are collectively referred to as "liquid container 100 '. In the present embodiment, the first connection receiving portion 50a and the second connection receiving portion 50b, with respect to the structure for connection to the liquid container 100, there is little substantial difference in construction.
[0041]
　The plurality of connection receiving part 50 is installed on an end portion of the + Y direction side of the case housing section 60 (FIG. 3, FIG. 4). Each connection receiving section 50, the bottom of the most recessed position of the rear side in the liquid ejecting apparatus 10, are arranged in a row in the X direction. Each connection receiving part 50 is disposed so as to be able to accept connections from the -Y direction side of the corresponding liquid container 100. Three first connection receiving portion 50a is disposed three parallel at substantially equal intervals from the right. Second connection receiving portion 50b is disposed on the leftmost side.
[0042]
　Referring to FIG. 5, illustrating a schematic configuration of the connection receiving part 50. Figure 5 is a schematic perspective view illustrating only a part of the first connection receiving portion 50a of the plurality of connecting the receiving portion 50. The following description, unless otherwise specified, is common to the first connection receiving portion 50a and the second connection receiving portion 50b. Connecting the receiving unit 50 includes a liquid introducing portion 51, and the device-side electric connection portion 52, a first positioning portion 53f, and a second positioning portion 53s, and the apparatus fixation structure 54, it is integrated with the fitting structure 55 is configured as a piece it was.
[0043]
　Liquid introduction portion 51, the inflowing liquid from the liquid container 100. In the present embodiment, the liquid introduction portion 51 is located at the end portion of the + Y direction side of the case housing section 60. Liquid introduction portion 51 is constituted by a tube section having a shape that extends linearly in the -Y direction and is open in -Y direction side of the distal end portion 51t. Liquid introduction portion 51, the distal end 51t is, by being inserted into the liquid container 100 is connected to the liquid container 100. In the present embodiment, the liquid introduction portion 51, in the approximate center of the connection receiving part 50 in the X direction, and protrudes in the -Y direction.
[0044]
　The rear end portion of the + Y direction side of the liquid introducing portion 51, a pump chamber provided inside the connection receiving part 50 (not illustrated) communicates with. Liquid that has flowed into the liquid introducing part 51 flows into the pump chamber. Note that the inside of the connection receiving part 50, (not shown) which check valve structure is provided for the liquid which has flowed into the pump chamber is prevented from flowing back again into the liquid introducing part 51.
[0045]
　The connection accepting unit 50 of the present embodiment, under the liquid introduction portion 51, the liquid receiver 56 is provided. Liquid receiver 56, extending out in the -Y direction along the liquid introduction portion 51. Liquid receiver 56 is slightly curved below along the lower side surface shape of the liquid introduction portion 51, as pan for receiving the liquid that has leaked from the connecting part between the liquid introducing portion 51 and the liquid container 100 Function. Liquid receiver 56 may be omitted.
[0046]
　The rear end portion of the + Y direction side of the liquid introduction portion 51 and the liquid receiving portion 56, the proximal member 57 is provided. The basal end member 57 is a resin member having a through-hole 51p of the liquid introduction portion 51 is inserted. The basal end member 57 is mounted to allow movement in the Y direction. Helical spring on the rear side is a biasing member 57e of the base end member 57 is disposed so as to surround the periphery of the liquid introduction portion 51, is imparted an elastic force in the -Y direction in the proximal member 57 . Since the biasing member 57e is not visible behind the base member 57, in Figure 5, it is shown the position in broken lines. The force applied by the biasing member 57e, proximal member 57, as indicated by arrow SD, resiliently moves in the Y direction. When the liquid container 100 to the liquid ejecting apparatus 10 is mounted, the liquid container 100 and the case 61, the base member 57, force in the -Y direction is imparted.
[0047]
　Device-side electric connection portion 52 is a connector that is electrically connected to the liquid container 100. Device-side electric connection portion 52, located at the end of the + Y direction side of the case housing section 60 (FIG. 3). Device-side electric connection portion 52 has a plurality of terminal portions 52t arranged in the X direction. The terminal portions 52t protrudes from the surface of the device-side electric connection portion 52 are electrically connected in contact with the container-side electric connection portion of the liquid container 100 (described later). Each terminal portion 52t is an elastic member such as a leaf spring, it is desirable that is biased in its protruding direction. In this embodiment, device side electric connection portion 52 is disposed at an inclined angle corresponding to the angle of disposition of the container-side electrical connection of the liquid container 100. Device-side electric connection portion 52, the normal vector of the surface, so as to have the -Y direction of the vector component, the -Z direction of the vector components, and are arranged facing obliquely upwards.
[0048]
　Device-side electric connection portion 52, wiring (not shown) via, is connected to the control unit 20 (FIG. 2). Wiring, for example, constituted by a flexible flat cable. By the device-side electric connection portion 52 and the container-side electric connection portion are electrically connected, the control unit 20, to exchange electrical signals between the liquid container 100. Thus, the control unit 20 obtains the information about the liquid contained in the liquid container 100. The information on the liquid, e.g., ink or color, type of ink, the parameters representing the capacity of the liquid in the liquid container 100, and the like. The control unit 20 is electrically detecting the connection state of the liquid container 100.
[0049]
　On both sides in the X direction of the apparatus-side electric connection portion 52, the guide protrusion 52g is provided one by one. In Figure 5, for convenience, + guide protrusion of the X-direction side 52g only Yes illustrated, the illustration of the guide protrusion 52g of the -X direction side are omitted. In Figure 5, for convenience, the guide protrusion 52g protrudes in the -Y direction, and functions as a positioning unit used in the connection of the container-side electrical connection of the liquid container 100 to the device-side electric connection portion 52 (described later) .
[0050]
　First positioning portion 53f and the second positioning portion 53s is projected in a position apart from each other. In the present embodiment, the first positioning portion 53f and the second positioning portion 53s is constructed as shaft-shaped portion extending in the -Y direction, are arranged in parallel with the liquid introduction portion 51. The first positioning portion 53f is located in the -X direction side of the liquid introduction portion 51, a second positioning portion 53s is located in the + X direction side of the liquid introduction portion 51. The first positioning portion 53f is located on the -X direction side than the device side electrical connection 52. In the present embodiment, the first positioning portion 53f and the second positioning portion 53s, the position of the distal end portion in the Y direction are substantially aligned. Further, a first positioning portion 53f and the second positioning portion 53s, and approximately the same are provided at a height position, provided at a position lower than the liquid introduction portion 51 and the device-side electric connection portion 52.
[0051]
　When the liquid container 100 is mounted, a first positioning portion 53f and the second positioning portion 53s are both inserted into the receiving portion (described later) corresponding provided in the liquid container 100. First positioning portion 53f and the second positioning portion 53s, at the time of mounting of the liquid container 100 has a position in the X direction of the liquid container 100, the function of defining the arrangement angle in the horizontal direction.
[0052]
　First positioning portion 53f and the second positioning portion 53s is preferably protrudes -Y direction side than the front end portion 51t of the liquid introduction portion 51. Thus, a pair of positioning portions 53f, in terms of defining the mounting position of the liquid container 100 by 53s, can be connected to the liquid introduction portion 51 to the liquid outlet of the liquid container 100 (described later). The positioning portion 53f, the outer peripheral side surface of the 53s, as shown, it is desirable that a groove portion 53g extending in parallel with the Y direction. Thus, the insertion with respect to the receiving portion of the liquid container 100 is smooth.
[0053]
　Apparatus side fixing structure 54, the case-side fixing structure liquid container 100 is provided in the case 61 is disposed (see below) in cooperation with, for regulating the movement in the Y direction of the case 61. In this embodiment, the apparatus side fixing structure 54, as Hairikomeru below the liquid container 100 to be mounted, the apparatus fixation structure 54 is configured as the arm-shaped member portions, in the -Y direction side It headed extending out. Apparatus side fixing structure 54 than the liquid introduction portion 51 located on the -X direction side is positioned below the apparatus-side electric connection portion 52.
[0054]
　-Y direction side of the distal end portion 54t of the apparatus fixation structure 54 protrudes in the -Y direction side of the distal end portion 51t of the liquid introduction portion 51. The tip portion 54t, each positioning portion 53f, projecting in the -Y direction side of the distal end of the 53s. The tip 54 t, protrusion 54p is provided. Projections 54p protrudes in the -Z direction at the center of the tip portion 54 t. Protrusions 54p, the case 61 in the case receiving state of being attached to the case receiving portion 60, and the engaged portion engages provided in the case-side fixing structure. In the following description, in some cases the protrusions 54p also referred to as "engaging portion 54p". Protrusion 54p is moved in the -Y direction of the case 61 is restricted by being engaged with the engaged portion provided on the case side fixing structure.
[0055]
　Apparatus side fixing structure 54, as indicated by the double arrow EX, + a rear end portion of the Y-direction side as a fulcrum, the rotation of the lateral direction are attached under permissive state. Elastic apparatus fixation structure 54, the inside arranged elastic member connecting the receiving unit 50 (not shown) is urged in the + X direction, the -X direction when subjected to external force in the -X direction to rotate. Further, the apparatus side fixing structure 54, as indicated by the double arrow EZ, + Y as a fulcrum rear end of the direction, is attached in a state where the rotation is allowed in the height direction. Apparatus side fixing structure 54 (the not shown) elastic member disposed inside the connection receiving part 50 is biased in the -Z direction by the + Z direction when subjected to an external force in the + Z direction to elastically to rotate. It will be described later engagement mechanism between the casing side fixing structure of the apparatus side fixing structure 54 and the case 61.
[0056]
　Fitting structure 55 is provided on the + X direction side than the liquid introduction portion 51. Fitting structure 55 is positioned above the second positioning portion 53s, + Z with protruding at the same height in the direction, of the plurality substantially rectangular extending in parallel in the -Y direction protrusion 55c is arranged It has been uneven structure. The arrangement pattern of the protrusion 55c of the concavo-convex structure of the fitting structure 55 is different for each connection receiving part 50. The corresponding liquid container 100 of the connection receiving part 50, corresponding to the arrangement pattern of the concavo-convex structure, fitting structure receiving portion (described later) is provided with a fittable uneven structure. Thus, liquid container 100 in the wrong not compatible are prevented from become connected to the connection receiving part 50.
[0057]
[Supply piping and joints]
　plurality of supply pipe 42 is constituted by a resin tube member having flexibility (Figure 4). Each supply pipe 42, the pump chamber as described above which is provided in the respective connection receiving part 50 (not shown) are connected one by one, respectively. Each supply pipe 42, after collected in the end of the -X direction side from the connection receiving part 50 through the upper region of the liquid container 100 is accommodated, it is routed in parallel in the -Y direction ( Figure 3, Figure 4). Then, at the end of the front side of the liquid ejecting apparatus 10 is routed to the -Z direction, and is connected to the joint portion 43 which is installed at a position higher than the medium conveyance unit 35 (FIG. 2, FIG. 4 ). As described above, the supply pipe 42 via a joint portion 43, and is connected to a corresponding one of the plurality of tubes 32 of the injection execution unit 30.
[0058]
Liquid suction-delivery mechanism of the liquid in the supply section]
　fluctuating pressure generator 45 is a source for generating a pressure fluctuation for suction-delivery of liquid, for example, constituted by a pump (2, 3 ). Fluctuating pressure generating unit 45 is installed above the case receiving portion 60 at a position closer to the front portion 12 of the liquid ejection device 10 (Figure 2). Fluctuating pressure generating unit 45 is located on the mounting position of the first liquid container 100a. Pressure transmission pipe 46 is connected to vary the pressure generating unit 45, it transmits the pressure variations fluctuating pressure generating unit 45 is caused (Fig. 3, Fig. 4). Pressure transmission pipe 46, a pressure chamber provided inside of each connection receiving part 50 (not shown) is connected to.
[0059]
　The pressure chambers of each connection receiving section 50, across the flexible membrane is adjacent the liquid container 100 to the above-mentioned pump chamber fluid flows. Therefore, when the pressure fluctuation generator 45 has reduced the pressure in the pressure chamber, the flexible film is bent toward the pressure chamber, the volume of the pump chamber is increased, the liquid in the liquid container 100 through the liquid introduction portion 51 It is sucked into the pump chamber Te. On the other hand, when the pressure fluctuation generator 45 is increased the pressure in the pressure chamber, the flexible membrane flexing in the pump chamber side, the volume of the pump chamber is reduced, the liquid which has flowed into the pump chamber, a supply pipe 42 It is pushed out to. Thus, the liquid supply section 40, variable pressure generating unit 45 by repeating the increase and decrease of the pressure in the pressure chamber, the supply of liquid is realized on the injection execution unit 30.
[0060]
[Case receiving portion]
　In the liquid ejecting apparatus 10 of the present embodiment, the case accommodating portion 60 is provided on the bottom (FIG. 2, FIG. 3). The case receiving portion 60, a plurality of the case 61 is housed. When in the case receiving state described above, a plurality of casing 61 are arranged in a line in the case receiving portion 60 in the X direction. Each of the plurality of case 61, a plurality of liquid container 100 is disposed. In one case 61, one liquid container 100 is disposed. That is, the case receiving portion 60, a plurality of liquid container 100, respectively, are accommodated are arranged in a row in the X direction while being disposed in the case 61. In Figure 2, the liquid container 100 are invisibly hidden in the case 61, are denoted by reference numerals in broken lines in its position. Further, in FIG. 3, the area LA is a position at the time of mounting of the case 61 and the liquid container 100 in the case receiving portion 60 is shown by a chain line.
[0061]
　In case receiving portion 60, the + X direction side of the end second liquid container 100b is accommodated, three first liquid container 100a on the -X direction side is housed (Figure 2). The + Y direction side of the area LA of the liquid container 100, the corresponding connection receiving part 50 are installed one by one (Fig. 3). As described above, in the present embodiment, different color inks respectively are accommodated in the liquid container 100. The combination of color inks contained in the liquid container 100 are not specifically limited. For example, each of the three first liquid container 100a, cyan, magenta, yellow is accommodated, the second liquid container 100b, may be that black which is expected to be the most consumed often be accommodated . A part or the whole of the liquid container 100 may be housed the same color ink.
[0062]
　Plurality of casing 61 is used for mounting of the liquid container 100. In the present embodiment, case 61 is configured as a tray-like container. Case 61, by moving in the Y direction in the case accommodating portion 60, it is possible to desorb to the liquid ejecting apparatus 10. Case 61 is also in an empty state where the liquid storage body 100 is not arranged, it can be set in the case receiving portion 60. Will be described in detail later removable with respect to the case 61 and a liquid ejecting apparatus 10 of the liquid container 100.
[0063]
　Liquid container 100 is removably arranged on the -Z direction side of the case 61 drawn out from the case receiving portion 60. Liquid container 100 is in a state of being disposed on the case 61, it is mounted on the liquid ejecting apparatus 10. That is, the liquid container 100 is in a state of being disposed on the case 61, the case accommodating portion 60 of the liquid ejection apparatus 10 is mounted. Also, liquid container 100 is taken out from the case accommodating portion 60 while being disposed in the case 61. Incidentally, the case 61 includes a first casing 61a in which the first liquid container 100a is disposed, and a second case 61b in which the second liquid container 100b are disposed, are included. The first case 61a and the second case 61b, unless necessary to distinguish, are collectively referred to as "case 61". It will be described later in detail the configuration of the case 61.
[0064]
　In this specification, the first liquid container 100a that is properly positioned in the first case 61a is also referred to as a "first mounting member 105a". Similarly, the second liquid container 100b which is properly positioned on the second case 61b is also referred to as a "second mounting member 105b". First mounting member 105a and a second attachment member 105b is in when it is not necessary to distinguish, generally referred to as "mounting member 105 '.
[0065]
　At the entrance of the case receiving portion 60, the opening member 62 is disposed (FIG. 2, FIG. 4). Opening member 62 is a plate-like member having a substantially rectangular shape, has four through holes 63 penetrating in the thickness direction. Opening member 62 has its thickness direction coincides with the Y direction, with its longitudinal direction coincides with the X direction and is fixedly installed to the end of the -Y direction side of the case housing section 60. Each through hole 63 is an insertion opening case 61 is inserted. Each through hole 63 has a corresponding opening shape on the outer peripheral contour shape when viewed corresponding case 61 in the Y direction. The opening member 62, the insertion-withdrawal of the case 61 to the liquid ejecting apparatus 10 is guided. Also, users are prevented from become inserted in the wrong place and the first case 61a and the second case 61b. The lower end of each through-hole 63, a plurality of recesses 63r that are recessed in the + Z direction are provided. Each recess 63r is Reruribu 230 provided on the lower surface of the case 61 corresponding to the through hole 63 is provided corresponding to the (later), together with allowing insertion into the case accommodating portion 60 of the Reruribu 230, the to guide the movement. The opening member 62 may be omitted.
[0066]
　Figure 6 is a schematic cross-sectional view of the inlet of the case accommodating portion 60 of 6-6 cut shown in FIG. Opening member 62, the upper end of each through hole 63 has a ceiling wall portion 62e that protrudes like eaves in the + Y direction (FIG. 4, FIG. 6). Ceiling wall portion 62e is, + Z oriented in a direction, has an inclined wall surface 62s which is inclined upwardly toward the -Y direction side in the + Y direction side. Is consumed liquid in the liquid container 100, in the case 61, even if the end portion 101 of the -Y direction side of the bag-shaped member in the liquid container 100 (described later) had along the upper, when pulling out the case 61 in its end 101 is guided to the inclined wall surface 62s. Thus, withdrawal of the case 61 from the case receiving portion 60 is smooth.
[0067]
　The floor of the case receiving portion 60, a plurality of rail groove 64 is formed (FIG. 2). Each rail groove 64, for each area LA of the liquid container 100, are formed in a straight line over the entire area in the Y direction of the case receiving portion 60. The respective rail grooves 64, Reruribu provided on the lower surface of the case 61 (described later) is fitted. The rail groove 64, movement in the Y direction of the case 61 in the interior of the liquid ejecting apparatus 10 is guided, the contact of the casing 61 adjacent in the X direction is suppressed. The connection of the liquid container 100 for connecting the receiving unit 50 is simplified. The configuration of Reruribu corresponding to the rail groove 64 and which, in order to prevent erroneous mounting, may be different for each case 61. All or some of the rail groove 64 may be omitted.
[0068]
　The floor of the case receiving portion 60, a plurality of rollers 65 are installed (Figure 2). Each roller 65, for each area LA of the liquid container 100, as appropriate in the Y direction, are arranged distributed manner. In case receiving portion 60, the rotation of the rollers 65, the transfer resistance is reduced when moving the case 61 in the Y direction, the moving operation of the case 61 by the user is smooth. Roller 65 may be omitted.
[0069]
Liquid container and construction of Case
　7 to 16, as appropriate, with reference to, the configuration of the first liquid container 100a and the first case 61a constituting the first mounting member 105a. Then, with reference to FIGS. 17 to 24, the configuration of the second liquid container 100b and the second case 61b constituting the second mounting member 105b.
[0070]
; First liquid container and the first case the first attachment member]
　Referring to FIGS. 7 to 16. Figure 7 is a schematic perspective view when viewing the first attachment member 105a from above. Figure 8 is a schematic perspective view when viewing the first attachment member 105a from below. Figure 9 is a schematic view when viewed directly facing the first attachment member 105a in the + Z direction, shows a top side of the first mounting member 105a. Figure 10 is a first mounting member 105a is a schematic diagram when viewed faces the -Z direction, which shows the lower surface side of the first mounting member 105a. 11, the first attachment member 105a is a schematic diagram when viewed faces the -X direction, shows a left side of the first mounting member 105a. Right side of the first mounting member 105a is substantially similar to the left side of the first mounting member 105a. Figure 12 is a schematic view when viewed first attachment body 105a in the + Y direction, the front side (i.e., rear end side in the mounting direction of the first mounting member 105a to the liquid ejecting apparatus 10 of the first mounting member 105a ) shows. Figure 13 is a state where the first case 61a was removed first liquid container 100a, which is a schematic exploded perspective view when viewed from above. Figure 14 is a schematic cross-sectional view of a first attachment member 105a in 14-14 cut shown in FIG. Figure 15 is a schematic perspective view when viewed near the connecting member 120a from above. Figure 16 is a schematic perspective view illustrating only the vicinity of the container-side electric connection portion 140 from FIG. 15. In the following, first, describes a schematic configuration of a first liquid container 100a, will be described a schematic configuration of the first case 61a.
[0071]
First liquid container]
　first liquid container 100a is an ink pack includes a bag-like member 110a, a connecting member 120a, (Figure 7, Figure 8). The first liquid container 100a, when viewed in the Z direction and has an outer peripheral contour shape of a substantially rectangular shape in the Y direction is the longitudinal direction (Fig. 9). Connecting member 120a constitutes the end portion of the + Y direction side of the first liquid container 100a, the bag-like member 110a is positioned in the -Y direction side of the connecting member 120a.
[0072]
　Width in the Z direction of the first liquid container 100a is smaller than the width in the width and the Y direction in the X-direction (FIG. 13, FIG. 14). The "Width" means the distance in the direction between the portions between the outermost of the first liquid container 100a in each direction. That is, the first liquid container 100a has a thin tabular shape thick. Therefore, according to the first liquid container 100a, it is possible to obtain a high stability for the arrangement and orientation on the first case 61a (FIG. 7, FIG. 14).
[0073]
[Bag member]
　bag-like member 110a is a container for accommodating section 115 for accommodating the liquid therein is configured (FIGS. 7, 13, 14). Bag-like member 110a is flexible. Flexible bag-like member 110a may be the extent to which deflects due to its own weight, with respect to its own weight and retain its shape, even the degree to which flex when a large load is applied than its own weight good. Bag-like member 110a, when viewed in the Z direction, has a substantially rectangular shape in the Y direction is the longitudinal direction (Fig. 9). Bag-like member 110a superimposes the two sheet members 111 and 112 constructed by welding their outer peripheral edge portion 113. Incidentally, housing portion 115 of the interior of the bag-like member 110a, when viewed in the Z direction, and has a substantially rectangular shape similar Y-direction and the bag-like member 110a and the longitudinal direction (the not shown).
[0074]
　The first sheet member 111 is arranged on the -Z direction side, constituting the upper surface of the bag-like member 110a (FIG. 14). The second sheet member 112 is disposed in the + Z direction side, it constitutes the lower surface of the bag-like member 110a. Each sheet member 111 and 112 have the same size of rectangular shapes (9, 13). Each sheet member 111 and 112 may not have a completely flat shape. Each sheet member 111 is desirably formed into a deflected shape as bulge gradually formed toward the center in the bag-like member 110a (FIG. 14).
[0075]
　Each sheet member 111 and 112, flexible and gas barrier properties, and is formed of a material having a liquid-impermeable. Each sheet member 111 and 112, for example, polyethylene terephthalate (PET), nylon, may be constituted by a film member such as polyethylene. Each sheet member 111 and 112, a plurality of composed film by the material, may be formed by laminating. In this case, for example, an outer layer formed by a film of excellent PET or nylon impact resistance, it may be formed by a polyethylene film with excellent inner ink resistance. Furthermore, its laminated structure, such as aluminum may be added the deposited layer a.
[0076]
　At the end of the + Y direction side of the bag-like member 110, it is mounted supplying section 116 (FIG. 14). It will be described later supplying section 116. Inside the bag-like member 110a, and skeletal member for holding the shape of the housing part 115, etc. tubular member for guiding to the outside of the liquid bag-like member 110a of the receiving portion 115 is accommodated. In Figure 14, illustration of the internal structure of the bag-like member 110a is omitted.
[0077]
Connection member]
　connection member 120a is attached to an end portion of the + Y direction side of the bag-like member 110a (FIGS. 7, 9, 13, 14). Connecting member 120a is fixed to an end portion of the distal end side in the mounting direction of the first mounting member 105a. Connecting member 120a has a function of connecting to the corresponding first connecting receiving portion 50a, and a function of fixing the first liquid container 100a in the first case 61a, the.
[0078]
　First, an outline of the external appearance of the connecting member 120a. Connecting member 120a is generally has a substantially rectangular parallelepiped shape with the X-direction and the longitudinal direction (13, 15). Width in X direction of the connection member 120a, rather than the width in the X direction of the bag-like member 110a, is slightly larger (Fig. 9). The difference may be, for example, a few mm ~ ten several mm. The body portion of the connecting member 120a is, for example, is made by molding a resin member such as polypropylene.
[0079]
　Connecting member 120a has a first surface portion 121, a second face 122, a third surface portion 123, a fourth surface portion 124, the fifth surface portion 125, and sixth surface portion 126, (Fig. 15). As used herein, "surface" may not be configured in a planar shape, may be formed in a curved shape, a concave or convex portion, the stepped groove, the bent portion, and the inclined surface it may be. Further, the two surface portions is a "cross", and a state in which two surface portions actually intersect each other, and a state where extended surface of one face intersects the other face, the extension surfaces of the two surface portions It means that the state crossing is any state of. Between adjacent surfaces portion, the curved surface and to smoothly connect the surface, a surface intersecting the respective surface portion and the diagonal may be interposed.
[0080]
　The first surface portion 121 faces the + Y direction, constituting the front end surface in the mounting direction of the first liquid container 100a. As described later, the first surface 121 side of the connecting member 120a, a component for connecting to the first connecting receiving portions 50a are summarized. The second surface portion 122 is at a position opposed to the first face 121, it faces the -Y direction. The second surface portion 122 constitutes a rear end surface in the mounting direction of the first liquid container 100a. The second face 122, the bag-like member 110a as described above is fixed. The third surface portion 123, intersects the first face 121 and second face 122 faces in the -Z direction. The third surface portion 123 constitutes the upper surface of the connecting member 120a. The third surface portion 123, a handle 170a for increasing the maneuverability of the first liquid container 100a is attached. It will be described later handle 170a.
[0081]
　The fourth surface portion 124 is in a position opposite to the third surface portion 123, which intersects the first face 121 and second face 122. The fourth surface portion 124, + Z is a direction of the surface portion, + Z direction orientation, constituting a bottom portion of the connecting member 120a. The fifth surface 125 intersects the first surface portion 121 and the second surface portion 122 and the third surface 123 and the fourth surface 124. The fifth surface portion 125, + X direction orientation, constitutes a left side section of the connecting member 120a. The sixth surface portion 126 is at a position opposite to the fifth surface 125 intersects the first surface portion 121 and the second surface portion 122 and the third surface 123 and the fourth surface 124. The sixth surface portion 126 faces the -X direction to form a right side portion of the connecting member 120a.
[0082]
　Connecting member 120a has a first member 127f and the second member 127s which are superimposed in the Z direction (FIG. 15). The connection member 120a, a slit 128 is formed. + Y direction side of the end portion of the bag-like member 110a is inserted into the slit 128 formed in the second face 122. Bag-like member 110a in a state where the end portion of the + Y direction side is sandwiched in the Z direction on the first member 127f and the second member 127s, and is fixed to the connecting member 120a. It will be described in detail later fixing structure of the bag-like member 110a in the connecting member 120a.
[0083]
　The connecting member 120a, as a component for connection to the first connection receiving portion 50a, the liquid outlet port 131, the container-side electric connection portion 140, a first receiving portion 150f, and a second receiving portion 150s, fitting a case structure receiving portion 155, is provided (Fig. 7, 13, 15). In connection member 120a, these components are summarized in the first face 121 side. Hereinafter, after it described in order for those components will be described other configurations provided in the connecting member 120a.
[0084]
Liquid outlet]
　Liquid outlet 131 is an opening which is open in the + Y direction (Figure 15). In other words, the central axis of the liquid outlet port 131 is parallel to the Y direction. Liquid outlet 131, the liquid introduction portion 51 of the first connection receiving portion 50a (FIG. 15) is inserted in the + Y direction. Liquid outlet 131 is in the first face 121, is provided substantially at the center position in the X direction. Liquid outlet 131 is formed in substantially the same height as the bag-like member 110a is fixed.
[0085]
　Liquid outlet 131 is communicated with the accommodating portion 115 is a liquid storage region of the internal bag member 110a. Liquid outlet 131 is referred to as bag-like member 110a of the + Y direction side of the end feed opening is attached to the section member 116 (FIG. 14), the tubular member 300 (after being connected to the supply port member 116 FIG. and shown in 32), and communicates with the accommodating portion 115 through the. Detailed description of the configuration of the flow path of the liquid in the first liquid container 100a is omitted. The connection to the interior of the member 120a, to prevent liquid leakage, before the liquid introducing portion 51 into the liquid outlet port 131 is inserted to maintain a closed state, when the liquid introduction portion 51 is inserted valve structure and sealing structure opening is provided (not shown).
[0086]
　In the present embodiment, the entire periphery 132 of the liquid outlet port 131 in the first face 121 is recessed in the -Y direction, the liquid outlet port 131 is open at a position projecting in the -Y direction side of the periphery 132 doing. Thereby, the liquid outlet port 131 is in a state where the periphery is surrounded by a wall formed by the periphery 132, the protection of the liquid outlet port 131 has increased, for example, the user fluid outlet port it is prevented that would touch accidentally 131. Also, deterioration such as damage or deformation due to the collision of the liquid outlet port 131 is prevented, for example, when the first liquid container 100a had dropped by mistake. The periphery 132, surrounds the liquid outlet port 131, + peripheral rib provided so as Y projecting direction may be formed.
[0087]
　Periphery 132, when the liquid introduction portion 51 of the first connection receiving portion 50a is connected to the liquid outlet port 131, into contact with the base end member 57 (FIG. 5) provided around the liquid introduction portion 51 It pushed Te, subjected to elastic force in the -Y direction. In the mounted state in which the first liquid container 100a is mounted on the liquid ejecting apparatus 10, the first case 61a to the first liquid container 100a is disposed is engaged with the first connection receiving portion 50a that (to be described later). Therefore, even when the peripheral portion 132 is biased in the -Y direction by the proximal member 57 is suppressed by the first liquid container 100a and the first case 61a will move in the -Y direction from the area LA .
[0088]
[Container-side electric connection portion]
　container-side electric connection portion 140 includes a substrate portion 141 for connection to the apparatus-side electric connection portion 52 (FIGS. 7, 15, 16). The container-side electric connection portion 140 is electrically in contact with the apparatus-side electric connection portion 52 of the first connection receiving portion 50a (FIG. 5). On the surface 141s of the substrate 141, a plurality of terminals 142 are disposed (Fig. 16). A plurality of terminals 142 are disposed at positions corresponding to the terminal portion 52t of device-side electric connection portion 52. The surface opposite to the surface 141s of the substrate 141, a storage device and that stores information on the liquid, optionally including circuitry for detecting connection of a device-side electric connection portion 52 is provided (shown and detailed description is omitted).
[0089]
　In this embodiment, each terminal 142 has a substantially flat contact surface terminal portions 52t of the device-side electric connection portion 52 is in contact. 16, in each terminal 142, is illustrated the position of the contact portion CP of the terminal portion 52t of device-side electric connection portion 52 is in contact with a broken line. In each the surface 141s of the upper and lower contact portions CP of the substrate portion 141 of the terminals 142 are arranged in parallel to the array direction in the X direction. The arrangement pattern of the pins 142 and the contact portion CP is not limited to that illustrated in FIG. 16.
[0090]
　In this embodiment, the container-side electric connection portion 140 is provided on the closer to the end of the -X direction side of the connecting member 120a positioned, the container-side electric connection portion 140 -X than the liquid outlet port 131 It is positioned in the direction side (FIGS. 9 and 15). Connected to the member 120a, the substrate placement portion 144 for placing a substrate portion 141 of the container-side electric connection portion 140 is formed as a recess that is recessed in the -Y direction and the + Z direction (FIG. 16). The substrate placement portion 144, + Y direction and the inclined surface 144 s facing obliquely upward in the direction between the -Z direction is formed, the container-side electric connection portion 140 on the inclined surface 144 s, tilt It is inclined disposed in a substantially parallel arrangement angle to the surface 144 s. In other words, the normal vector of the contact surface of the surface 141s and the terminal portion 52t of the base plate portion 141 includes a + Y direction of the vector components, the -Z direction of the vector component, a.
[0091]
　Thus, the substrate 141, the surface 141s is arranged so as to face the -Z direction. Therefore, when the device-side electric connection portion 52 is electrically connected, the container-side electric connection portion 140, while receiving at least downward toward the + Z direction of the force from the apparatus-side electric connection portion 52, device-side electric connection portion 52 so that electrical contact with the. The force directed to the downward, the contact state between the container-side electric connection portion 140 and the device-side electric connection portion 52 are improved, the electrical connection of the container-side electric connection portion 140 is enhanced.
[0092]
　Further, in the present embodiment, the substrate 141 as described above are arranged obliquely, facing to the surface 141s is + Y direction side. Therefore, when the first liquid container 100a is moved in the + Y direction together with the first case 61a, to connect the container-side electric connection portion 140 to the device-side electric connection portion 52, moves the first case 61a + Y direction by utilizing the power at which to an electrical connection state between the container-side electric connection portion 140 and the device-side electric connection portion 52 can be formed. Therefore, electrical connection with the container-side electric connection portion 140 and the device-side electric connection portion 52 is increased.
[0093]
　Further, when connecting the device-side electric connection portion 52, the terminal portion 52t of device-side electric connection portion 52 will move while rubbing the contact surface of the terminal 142 of the container-side electric connection portion 140. Thus, since the foreign matter adhering to the contact surface of the terminal 142 of the container-side electric connection portion 140 is removed by the terminal portion 52t of device-side electric connection portion 52, the electrical connection of the container-side electric connection portion 140 , it is further enhanced.
[0094]
　In addition, when taking out the first liquid container 100a with the case receiving portion 60 first case 61a is the force in the -Y direction which is received from the device-side electric connection portion 52, the first liquid container 100a - movement in the Y direction is assisted. Therefore, removal of first liquid container 100a is simplified.
[0095]
　Substrate unit 141 is installed in the recessed position of the substrate placement portion 144 (FIG. 16). Substrate 141 on both sides in the X direction, is sandwiched between the two wall portions 145 projecting in the -Z direction and the + Y direction from the surface 141s of the substrate 141. These walls 145 functions as a protective portion of the substrate 141. Therefore, for example, and the user would touch accidentally the substrate 141, and the substrate 141, such as when the first liquid container 100a had dropped accidentally is damaged is prevented.
[0096]
　Each of the opposite sides of the side wall surface 146 which sandwich the substrate 141 in the substrate placement portion 144 in the X direction, a groove-shaped guide recess 147 extending in the Y direction are provided one by one (Fig. 16). Guide recess 147 is open in the + Y direction. When the device-side electric connection portion 52 is connected to the container-side electric connection portion 140, the guide protrusion 52g that are provided on both sides in the X direction of the apparatus-side electric connection portion 52, with respect to the corresponding guide recess 147 It is inserted in the -Y direction. Thus, the positioning of the substrate section 141 is made to the device-side electric connection portion 52.
[0097]
[First receiving portion and the second receiving portion]
　The first receiving portion 150f and the second receiving portion 150s is provided on the first face 121 of the connection member 120a (FIG. 15). When the first liquid container 100a is mounted on the liquid ejecting apparatus 10 includes a first receiving portion 150f accepts a first positioning portion of the first connection receiving portion 50a 53f (FIG. 5), the second receiving portion 150s is second accepting positioning portion 53s (Fig. 5). Thus, the mounting position of the first liquid container 100a is properly defined.
[0098]
　In this embodiment, the first receiving portion 150f and the second receiving portion 150s is formed as holes extending in the -Y direction, each have a first opening portion 151f and the second opening 151s (FIG. 15). First receiving portion 150f and the respective openings 151f of the second receiving portion 150s, 151s is the corresponding positioning portions 53f, accepts insertion of the + Y direction side of the 53s. In the present embodiment, at the second opening 151s of the first opening of the first receiving portion 150f 151f and the second receiving portion 150s, but the opening shape is different, the details of which will be described later.
[0099]
　First receiving portion 150f is located in the -X direction side than the liquid outlet port 131 (Fig. 15). In the first liquid container 100a, the first receiving portion 150f is provided at a corner of the lower -X direction side of the first face 121. On the other hand, the second receiving portion 150s is located in the + X direction side than the liquid outlet port 131. In the first liquid container 100a, the second receiving portion 150s is provided at a corner of the lower of the + X direction side first face 121.
[0100]
　In the present embodiment, the liquid outlet port 131, a pair of receiving portion 150f, is sandwiched in the X direction by 150s. Thus, when mounting the first liquid container 100a in respect to the liquid ejection device 10, the positioning accuracy in the X direction of the liquid outlet port 131 to the liquid inlet portion 51 (FIG. 5) is increased. Therefore, connection with the liquid inlet portion 51 and the liquid outlet port 131 is improved. In the present embodiment, two receiving portions 150f, respectively 150s, the first liquid container 100a when viewed in the Y-direction, at least one guided portion 165a provided on the same side in the X direction (described later) It is provided at a position overlapping with the parts. Thus, in the present embodiment, a pair of receiving portions 150f, because you have taken a large distance in the X direction between the 150s, the positioning accuracy is further enhanced.
[0101]
[Fitting structure receiving unit]
　fitting structure receiving portion 155 is provided on the + X direction side than the liquid outlet port 131 (Fig. 15). Fitting structure receiving portion 155, at the end of the + Y direction side of the third surface portion 123 is provided at a position closer to an end portion of the + X direction side. Fitting structure receiving portion 155 in the X direction, are provided on the opposite side of the container-side electric connection portion 140 across the liquid outlet 131. Fitting structure receiving unit 155 is configured to protrude at the same height in the -Z direction, substantially rectangular plurality of projections 156 extending in parallel to the -Y direction has a been uneven structure array. Arrangement pattern in the X direction of the valley portion 157 is a recess formed therebetween and the protrusion 156 in the fitting structure receiving unit 155, the arrangement pattern of the concavo-convex structure of the fitting structure 55 is a connection object (Fig. 5) irregularities are reversed.
[0102]
　By moving the first liquid container 100a + Y direction, corresponding to the time to connect to the first connection receiving portion 50a is allowed fitting between concavo-convex structure of the concavo-convex structure and the fitting structure receiving portion 155 of the fitting structure 55 It is. On the other hand, if the combination of the first liquid container 100a and the first connection receiving portion 50a is not appropriate, the uneven structure of the fitting structure 55 does not conform to the irregular structure of the fitting structure receiving portion 155 is fitted it can not be. Accordingly, the first liquid container 100a wrong not compatible are prevented from resulting in being connected to the first connection receiving portion 50a.
[0103]
[Other configurations of the connecting member]
[recess]
　The fourth surface portion 124 of the connecting member 120a, recess 160 is recessed in the -Z direction are provided (FIG. 15, FIG. 16). In this embodiment, the recess 160 has a substantially rectangular shape, extends in the + Y direction until the first face 121, and is open in the + Y direction. When the first liquid container 100a is disposed in the first case 61a, the concave portion 160, the convex portion formed on the bottom surface of the first case 61a (described later) is accommodated. Recesses 160, when viewed in the Z direction, and is formed on at least a portion overlap each other position of the container-side electric connection portion 140. The reason for this will be described later.
[0104]
[Fitting recess]
　the fourth surface portion 124 of the connecting member 120a has a pair of fitting recesses 161 are formed (FIG. 15). Two mating recesses 161 are arranged so as to sandwich the liquid outlet port 131 in the X direction. Each of the two fitting recesses 161 are formed at positions adjacent in the X direction to the peripheral portion 132 of the liquid outlet port 131. In this embodiment, the fitting recess 161 is formed as a recess that is cut in the -Z direction. Each fitting recess 161, similar to the recess 160 described above, and is open in the + Y direction in the first face 121. When the first liquid container 100a is disposed in the first case 61a, and each fitting recess 161, a portion of the wall portion 203 after the first case 61a is fitted is inserted (FIG. 7, FIG. 13). Thus, the positioning in the X direction of the liquid outlet port 131 to the first case 61a is made.
[0105]
[Guided portion]
　two guided portion 165a to the connection member 120a is provided (Fig. 7, 9, 13, 15). When the first liquid container 100a is arranged in the first case 61a, each guided portion 165a is corresponding guide portion 208a of the first case 61a is guided (to be described later), the first liquid to the first case 61a positioning of the container 100a is made (Figure 13). In a state where the first liquid container 100a disposed in the first case 61a, the guide portion 208a is fits to the guided portion 165a, the connecting member 120a is fixed to the first case 61a (FIG. 7, FIG. 9).
[0106]
　In the first liquid container 100a, the two guided portions 165a, are provided one by one each of the fifth surface portion 125 side of the connecting member 120a and the sixth surface portion 126 side (Fig. 9). Two guided portion 165a of the first liquid container 100a is formed as a recess recessed in the X direction in the fifth surface 125 and the sixth surface 126 (FIG. 15). In the present embodiment, the guided portion 165a is a groove having a substantially semicircular shape in a horizontal cutting plane (Fig. 9), is formed over the direction of the arrow Z in each surface 125 and 126 of the connecting member 120a and it is (Figure 15). End of the + Y direction side of the guide portion 165a has a chamfered shape. Thus, each guided portion 165a, plane portion 165p having a flat surface facing the -Y direction is formed.
[0107]
　In this embodiment, the two guided portions 165a are formed so as to be lined up in the X direction (Fig. 9). Two guided portion 165a is formed symmetrically with respect to the center in the X direction of the first connecting member 120a. Each of the guide portions 165a are positioned in the -Y direction side than the liquid outlet port 131, the container-side electric connection portion 140 and the fitting structure receiving portion 155. Each of the two guided portions 165a, in the X direction, are provided one by one on both sides of the liquid outlet port 131, in the X direction, the liquid outlet port 131 is disposed between the two guided portions 165a ing. Further, in the X direction, between the guided portion 165a of the liquid outlet port 131 and the -X side, the container-side electric connection portion 140 is located. Between the guided portion 165a of the liquid outlet port 131 and the + X side, fitting structure receiving portion 155 is located. Details will be described later of the configuration and functions of the guided portion 165a.
[0108]
[Handle
　Handle 170a is a portion that can be gripped, such as when the user moves the first liquid container 100a (FIGS. 7, 9, 13, 15). In this embodiment, the handle 170a is produced by molding of a resin member such as polypropylene. The handle 170a includes a gripping portion 171, two connecting portions 172 and 173, and two proximal ends 174 and 175, a. The grip portion 171 is a site for which the user is multiplied by the hand. Gripper 171 extends in the direction of the arrow X. In the present embodiment, the width in the X direction of the grip portion 171 is slightly smaller than the width in the X direction of the connection members 120a, slightly larger than the width in the X direction of the bag-like member 110a (FIG. 9).
[0109]
　Two connecting portions 172 and 173, from both ends of the grip portion 171 extends in a direction crossing the X direction. The first coupling portion 172 is coupled to an end portion of the + X direction side of the grip portion 171 and the first proximal portion 174. The second coupling portion 173 is coupled to an end portion of the -X direction side of the grip portion 171 and the second proximal portion 175. Each proximal end 174 and 175 is a shaft-like portion having a substantially cylindrical shape, along the X-direction projects so as to face each other. Gripper 171 and the two connecting portions 172, for weight reduction, as appropriate, it is desirable that the lightening.
[0110]
　The first proximal end 174, at the end of the first connecting portion 172 protrudes in the + X direction, the second proximal portion 175 at the end of the second coupling portion 173 protrudes in the -X direction . Two base end portions 174 and 175 are respectively connected to the fixed portion 176 provided in the third surface portion 123 of the connecting member 120a. The fixing unit 176, the handle 170a is pivotally secured to the first connecting member 120a. In this embodiment, the fixing unit 176 is constituted by a shaft hole extending in the X direction, the base end portion 174 and 175 are inserted in the X direction to the shaft hole.
[0111]
　In this embodiment, the two proximal ends 174 and 175, in the X direction, is located between the two guided portions 165a. In this embodiment, the two proximal ends 174 and 175, in the X direction, in a position overlapping the two guided portions 165a. The distance in the X direction between the two base end portions 174 and 175 is shorter than the width in the X direction of the grip portion 171 (described later).
[0112]
　The handle 170a, the first liquid container 100a is provided at a position which is exposed in a state of being arranged in the first case 61a. The handle 170a, the user can see, and, provided in the operation it is possible positions.
[0113]
　The handle 170a is a result of user interaction, to the connecting members 120a, rotates as indicated by an arrow R in FIG. 17. The handle 170a has a direction towards the first connecting member 120a side from the bag-like member 110a side, it is possible to rotate the direction of the double headed from the first connecting member 120a to the bag-like member 110a. Rotation axis RX is the center of rotation of the handle 170a is coincident with the central axis of the two proximal ends 174 and 175. In this embodiment, the pivot shaft RX is the mounting direction with respect to the first connection receiving portion 50a of the first liquid container 100a (i.e., Y-direction is an opening direction of the liquid outlet port 131) intersect in, X-direction and along the. In the present embodiment, the bag-like member 110a is across the pivot axis RX, liquid outlet port 131, the container-side electric connection portion 140 and is located on the opposite side of the fitting structure receiving portion 155.
[0114]
　The handle 170a is rotatable state in the state of being arranged in the first case 61a. When the first liquid container 100a is in the mounted state to the liquid ejecting apparatus 10, the handle 170a is brought down the bag-like member 110a side, it is in the first posture shown in Fig. The handle 170a is transported during the like of the first liquid container 100a, it is in the second position which is rotated toward the connecting member 120a from the first posture (see FIG. 35).
[0115]
　By using the handle 170a, such as detachable to carry and the first case 61a of the first liquid container 100a, convenience in the handling of the first liquid container 100a is enhanced. In particular, in this embodiment, the handle 170, by having a grip portion 171 extending in the X direction, the user is a gripping easily shaped. Further, the handle 170 is to be secured to the connecting member 120 at two points of the two base end portions 174 and 175 can be stably rotated. Thus, if the shape of the handle 170 of the present embodiment, since the high operability is obtained, handling easiness of the liquid container 100 is enhanced. Other details about the structure and function of the handle 170a will be described later.
[0116]
First Case]
　Referring to FIGS. 7-14. The first case 61a has a substantially rectangular parallelepiped shape with the X-direction as the longitudinal direction. The first case 61a is formed as a hollow box body which is open in the -Z direction and the + Y direction. The first case 61a is prepared, for example, a resin member such as polypropylene.
[0117]
　The first case 61a is provided with a bottom wall portion 200, and two side wall portions 201 and 202, and two rear walls 203, a front wall portion 205, a. Bottom wall 200 is a wall portion of the substantially rectangular shape that constitutes the bottom portion of the first case 61a (FIG. 8, FIG. 10), and extends in the X and Y directions. By "extending" herein, without being divided, it means a structure that extends continuously in a certain direction. In the middle extending, irregularities and the bent portion, the hole portion, the joint may be provided. The first liquid container 100a is disposed on the bottom wall portion 200 (FIG. 7, FIG. 13). Bottom wall portion 200, when the first liquid container 100a is disposed, and has a size enough to at least the entire bag-like member 110a fits.
[0118]
　First side wall 201 is a wall portion of substantially rectangular shape which is connected with crossing the long side of the -X direction side of the bottom wall portion 200, constitute a right side wall portion of the first case 61a (FIGS. 7 and 8). The second side wall 202 is a wall portion of substantially rectangular shape which is connected with crossing the long side of the + X direction side of the bottom wall portion 200, constitute a side wall portion of the left side of the first casing 61a ( 7, 11). First side wall 201 and second side wall portion 202 extends over substantially the entire region in the Y direction in parallel to each other. A first side wall 201 and the second side wall portion 202, in the X direction and across the bag-like member 110a of the first liquid container 100a, the arrangement angle of the bag-like member 110a in the direction along the horizontal plane in the Y-direction prescribed in along the direction.
[0119]
　The height of the first side wall 201 and second side wall 202 is substantially coincident with the height of the third surface portion 123 of the connecting member 120a of the first liquid container 100a (FIG. 7, FIG. 11). In the present embodiment, when viewed first attachment body 105a in the direction of arrow X, a portion of the handle 170a in the first position, protrudes from the upper end of the first side wall portion 201 and the second side wall portion 202 ( Figure 11).
[0120]
　Two rear wall portion 203 standing in the -Z direction at the end in the + Y direction side of the bottom wall portion 200 (FIG. 13). Each rear wall 203 is provided at both ends of the X direction, it is connected towards the same side in the X direction of the two side wall portions 201 and 202. In a state where the first liquid container 100a is disposed, a liquid outlet port 131 and the peripheral portion 132 is disposed between the two rear wall portion 203 (FIG. 7). Some of the rear wall portion 203 is inserted fitted into the fitting recess 161 formed on both sides in the X direction of the liquid outlet port 131 to close the respective fitting recess 161. Periphery 132 is slightly projecting from the two rear wall portion 203 in the + Y direction (FIG. 7, FIG. 9).
[0121]
　Two rear wall portion 203 has a lower height than the side walls 201 and 202 (FIG. 13). Two rear wall portion 203, in a state where the first liquid container 100a is disposed in the first case 61a, covers the lower portion of from the container-side electric connection portion 140 and the fitting structure receiving portion 155 of the connecting member 120a is formed so as (Figure 7). The rear wall portion 203, the receiving unit 150f, a position corresponding to the second receiving portion 150s, the positioning portion 53f, a through hole 203h for receiving the insertion of the 53s are provided (FIG. 13).
[0122]
　Front wall portion 205, at the end of the -Y direction side of the bottom wall portion 200 extends in the X and Z directions, are connected to the bottom wall 200 and two side wall portions 201 and 202 (Figure 7). The height of the front wall portion 205 is higher than the two side wall portions 201 and 202 (FIG. 7, FIG. 11). Thus, when pulling out the first case 61a from the case accommodating portion 60, the user is likely your finger on the front wall portion 205. The first mounting member 105a when viewed in the Y direction, the handle 170a in the first attitude, is covered on the front wall portion 205 (FIG. 12). Thus, by the handle 170a is housed in a compact, that out of the case receiving portion 60 of the first mounting member 105a is hindered by the handle 170a is suppressed.
[0123]
　The bottom surface 200s of the first case 61a is a surface facing in the -Z direction of the bottom wall portion 200, two guide portions 208a projecting in the -Z direction is provided (Figure 13). As described above, the two guide portions 208a respectively inserted into the corresponding one of the two guided portions 165a of the connecting member 120a of the first liquid container 100a (FIG. 7). Thus, the positioning of the first liquid container 100a on the first case 61a, such rotation in the direction along the horizontal direction of the first liquid container 100a, the deviation of the arrangement position is suppressed.
[0124]
　In the first case 61a, the guide portion 208a is integrated with the side wall portions 201 and 202 (FIG. 13). Guide portion 208a is formed as a protrusion that projects toward the arrangement area of ​​the connecting member 120a from the side walls 201 and 202. In this embodiment, the guide portion 208a has a semi-cylindrical shape. Inside each guide portion 208a is in order to reduce the weight of the first case 61a, it is desirable that the lightening.
[0125]
　Guide portion 208a has a shape such as chamfered end of the + Y direction side. That is, the guide portion 208a, the planar portion 208p having a flat surface facing the + Y direction are provided. Guide portion 208a is at fitted to the guided portion 165a is flat portions 208p of the guide portion 208a is in contact with the planar portion 165p and the surface of the guide portion 165a (FIG. 7). When the first liquid container 100a disposed in the first case 61a is subjected to a load in the -Y direction by a plane portion 165p and the flat portion 208p facing each other in the Y direction are in contact, the position of the first liquid container 100a is stabilized.
[0126]
　Height in the Z direction of the guide portion 208a is substantially equal to the thickness in the Z direction of the first connecting member 120a. Therefore, in the state where the first liquid container 100a is disposed in the first case 61a, the guide portion 208a is over the entire height direction, are disposed at corresponding guided portion 165a. Accordingly, the first liquid container 100a disposed in the first case 61a is when subjected to load in the -Y direction, and the flat portion 165p and the flat portion 208p facing each other in the Y direction is likely to contact. Therefore, the stability of the position of the first liquid container 100a is enhanced.
[0127]
　Other, in the first case 61a, the bottom surface 200s of the bottom wall portion 200, the + Y-direction ends of the side protrusions 210 protruding in the -Z direction is provided (Figure 13). Protrusion 210 is located in a position closer to the -X direction side than the center portion in the X direction, it is located on the -X direction side than the pair of fitting convex portion 207. In the present embodiment the convex portion 210 has a rectangular shape. Protrusion 210 is formed to be hollow. It will be described later the internal space 211 of the protrusion 210. When the first liquid container 100a is disposed on the first casing 61a is convex portion 210 is received in the recess 160 (FIG. 16) of the connecting member 120a as described above.
[0128]
　In the present embodiment, when the protrusion 210 is received in the recess 160, and the inner wall surface of the outer wall surface and the recess 160 of the convex portion 210 is in surface contact. That is, the convex portion 210 is fitted against the concave portion 160. Thus, in this embodiment, the convex portion 210 and concave portion 160 functions as a positioning portion of the connection member 120a in the first case 61a.
[0129]
　As described above, in this embodiment, at least a portion of the housing above the recess 160 side electrical connections 140 are arranged in the first mounting member 105a, the container-side electric connection portion 140 is at least partially but it is disposed above the convex portion 210. Therefore, even when the liquid had leaked to the bottom surface 200s of the first case 61a, the liquid, that along the wall surface of the first case 61a, and reaches the container-side electric connection portion 140, the convex It is inhibited by part 210.
[0130]
　The surface on the -Z direction side of the bottom wall portion 200, a plurality of linear fine groove extending over the Y-direction are arranged in parallel across the X direction (not shown). The narrow groove portion, the movement is guided when the bag-shaped member 110a of the first liquid container 100a arranged by sliding the upper surface of the bottom wall portion 200 in the Y direction.
[0131]
　The angle between the bottom wall portion 200 corner between the first side wall 201, the corners between the bottom wall portion 200 and the second side wall portion 202, and a bottom wall portion 200 and the front wall portion 205 each of the parts, the stepped portion 214 height stepwise is high is provided in the -Z direction (FIG. 7, FIG. 13). When the first liquid container 100a disposed in the first casing 61a has step portion 214 contacts the outer peripheral edge 113 of the bag-like member 110a, for supporting the outer peripheral edge 113 of the bag-like member 110a. Thus, the arrangement attitude of the bag-like member 110a on the first case 61a is stabilized.
[0132]
　In the present embodiment, the first liquid container 100a is connected in member 120a is only position on the first case 61a is fixed, the bag-like member 110a is other than the end portion of the + Y direction side, the first the case 61a is substantially unconstrained. Bag-like member 110a is on the first case 61a, are arranged in a state where movement in the direction away from the first casing 61a is permitted. Thus, the first liquid container 100a is because it is not needlessly constrained with respect to the first case 61a, attachment and detachment of the first liquid container 100a to the first case 61a is simplified. Further, the bag-like member 110a is, it would receive an extra load other than gravity are suppressed, suppressing the pressure condition is deteriorated in housing portion 115 of the bag-like member 110 by such extra load It is.
[0133]
　8, with reference to FIG. 10, illustrating the lower surface of the structure of the bottom wall portion 200. On the surface of the + Z direction side of the bottom wall portion 200, the + Y-direction ends of the side groove 215 is provided. In the present embodiment, the groove 215 is formed by being surrounded by the rib 216. Groove 215 constitutes the case-side fixing structure 220. End of the + Y direction side of the groove 215 is constituted by the internal space 211 of the protrusion 210 described above. In other words, the internal space 211 of the protrusion 210 constitutes a part of the case-side fixing structure 220 is included in the case-side fixing structure 220. The internal space 211 of the protrusion 210 is open in the + Y direction, and constitutes the inlet of the groove 215 (case side fixing structure 220).
[0134]
　Case-side fixing structure 220 cooperates with the apparatus fixation structure 54 (FIG. 5), to restrict the movement in the Y direction of the first case 61a. The case-side fixing structure 220, a predetermined area LA of the first case 61a is a case accommodating portion 60 in the deployed case receiving state (FIG. 3), projections 54p of the apparatus fixation structure 54 (the engaging portion 54p ) engaged portion to be engaged (described later) is provided with. By protrusion 54p is engaged with the engaged portion, movement in the -Y direction of the first case 61a is restricted. In this embodiment, a groove portion 215 which constitutes the case-side fixing structure 220 is configured to have a heart cam groove structure is a loop-shaped groove structure, which will be described later. The engagement mechanism of the protrusion 54p (the engaging portion 54p) of the engaged portion and the device-side fixing structure 54 of the structure and the case-side fixing structure 220 of the case-side fixing structure 220 will be described later.
[0135]
　On the surface of the + Z direction side of the bottom wall portion 200 further includes a plurality of Reruribu 230, a plurality of legs 231, which is provided. Reruribu 230, + Z is constructed as a convex wall portion protruding in a direction, and extends linearly in substantially constant width in the Y direction. As described above, Reruribu 230 fitted into the rail groove 64 provided on the floor of the case receiving portion 60, for guiding the movement of the Y-direction of the first case 61a. The plurality of legs 231 protrude in the + Z direction, each have a same height (Figure 12). A plurality of legs 231, the first case 61a is disposed attitude of the arrangement area LA (FIG. 3) of the case receiving portion 60 is properly held.
[0136]
; Second attachment member second liquid container and the second case]
　In the following, first, describes a schematic configuration of the second liquid container 100b, will be described a schematic configuration of the second case 61b. In the following description and reference figures, the same as the various components of the first liquid container 100a and the first case 61a mentioned above, or, in the configuration unit corresponding, same reference numerals, or the end of the alphabet only are different, are using the code numbers are common. Such corresponding components which symbol is affixed, the second liquid container 100b, or, in the second case 61b, the first liquid container 100a, or the same function as corresponding components in the first case 61a unlikely to. Therefore, various effects described in the first liquid container 100a and the first case 61a mentioned above, by the configuration being such correspondence, can be obtained also in the second liquid container 100b and the second case 61b. The same applies to other embodiments and modifications described below other than the first embodiment.
[0137]
　Referring to FIGS. 17 to 24. Figure 17 is a schematic perspective view when viewed second attachment member 105b from above. Figure 18 is a schematic perspective view when viewed second attachment member 105b from below. Figure 19 is a schematic view when viewed second attachment member 105b in the + Z direction, shows a top side of the second mounting member 105b. Figure 20 is a second attachment member 105b is a schematic view when viewed in the -Z direction, which shows the lower surface side of the second mounting member 105b. Figure 21 is a second attachment member 105b is a schematic view when viewed in the -X direction, shows a left side of the second mounting member 105b. Figure 22 is a schematic view when viewed second attachment member 105b in the + Y direction, the front side of the second mounting member 105b (i.e., the rear end side in the mounting direction hereinafter). Figure 23 is a state where the second casing 61b was removed second liquid container 100b, a schematic exploded perspective view when viewed from above. Figure 24 is a second attachment member 105b is a schematic view when viewed in the -Y direction, the rear side of the second mounting member 105b (i.e., the distal end side in the mounting direction hereinafter). In the lower part of FIG. 24, for comparison, it is shown the first attachment member 105a as viewed in the same direction. FIG 24, the attachment body 105a, a central axis CL in the X direction in each of 105b is shown by a chain line.
[0138]
Second liquid container]
　second liquid container 100b is, except for the points described below, has substantially the same configuration as the first liquid container 100a (FIG. 17, 19, 23). In the second liquid container 100b, the amount of liquid that can be accommodated such that more than the first liquid container 100a, the width in the X direction is larger than the first liquid container 100a.
[0139]
　The second liquid container 100b is, similarly to the first liquid container 100a, comprises a bag-like member 110b, and the connecting member 120b, a (17, 19, 23). Bag-like member 110b of the second liquid container 100b is, except the width in the X direction is large, has substantially the same configuration as the bag-shaped member 110a of the first liquid container 100a.
[0140]
　Connecting member 120b of the second liquid container 100b is, except for the points described below, has the same configuration as that connecting member 120a of the first liquid container 100a (FIG. 23, FIG. 24). Connecting member 120b is to the width in the X direction of the bag-like member 110b, both end portions in the X direction, protrudes in the + X direction and -X direction than the connection member 120a of the first liquid container 100a. Width in the X direction of the connecting member 120b, rather than the width in the X direction of the bag-like member 110b, slightly larger, connecting both corners of the -Y direction side of the member 120b is held by the connecting member 120b (FIG. 19 ).
[0141]
　Arrangement of the components of the -Y direction side end portion for connection to the second connection receiving portion 50b of the connecting member 120b of the second liquid container 100b is substantially the same as the connecting member 120a of the first liquid container 100a it is (Figure 24). Each component to the liquid outlet port 131 located in the (container-side electric connection portion 140,2 one receiving section 150f, 150s, fitting structure receiving portion 155, the recess 160 and the fitting concave portion 161) is two connecting members 120a, are common among 120b (FIG. 24).
[0142]
　Each of the both sides in the X direction of the second connecting member 120b, 2 two guided portion 165b is provided (17, 19, 23). Two guided portion 165b is provided as a through hole penetrating the connecting member 120b in the Z direction at positions closer to both end portions in the X direction of the connection member 120b (Figure 23).
[0143]
　Guided portion 165b has a substantially circular opening cross-section in a horizontal cutting plane (Fig. 19). End of the + Y direction side of the guide portion 165a has a chamfered shape. That is, the end portion of the + Y direction side of the guided portion 165a is a plan section 165p having a flat surface facing the -Y direction is formed (FIG. 19, FIG. 23). In this embodiment, each of the two guided portion 165b of the second connecting member 120b, substantially matching the site to the shape of the corresponding guided portion 165a of the first connecting member 120a, corresponding to the first connecting member 120a It has a position corresponding to the guided portion 165a.
[0144]
　Guided portion 165b is located on the -Y direction side than the liquid outlet port 131, the container-side electric connection portion 140 and the fitting structure receiving portion 155 (FIG. 17, 19, 23). Two guided portion 165b is provided so as to line up in the X direction (Figure 19). Two guided portion 165b is formed symmetrically with respect to the center in the X direction of the second connecting member 120b. Others will be described in detail later guided portion 165b of.
[0145]
　The third surface 123 of the second connecting member 120b, a handle 170b is provided (Fig. 17). Handle 170b of the second connecting member 120b has a length in the X direction of the grip portion 171, except longer terms than the handle 170a of the first liquid container 100a, it has substantially the same configuration as the handle 170a.
[0146]
　The handle 170b, like the handle 170a, the user interaction, as indicated by the arrow R (Figure 17), rotates about an axis RX along the X direction, taking the first posture and the second posture . Width in the X direction of the grip portion 171 of the handle 170b, the connecting member 120b is slightly smaller than the width in the X direction, slightly larger than the width in the X direction of the bag-like member 110b. The handle 170b has two proximal ends 174 and 175 of the handle 170b is positioned between the two guided portions 165b in the X direction. The distance between the two base end portions of the handle 170b 174 and 175 is substantially the same as the distance between the two base end portions 174 and 175 in the first liquid container 100a.
[0147]
　Thus, the connecting member 120b of the second liquid container 100b is, since changes to the connection member 120a of the first liquid container 100a is small, can be made common parts, it is possible to reduce the manufacturing cost it can. The second connection receiving portion 50b corresponding to the connecting member 120b of the second liquid container 100b also, since it the first connection receiving portion 50a corresponding to the connection member 120a of the first liquid container 100a with similar construction , it reduces the manufacturing cost of the connecting member 120.
[0148]
　In the following description, when there is no particular need to distinguish between the bag-shaped member 110a of the first liquid container 100a and a bag-like member 110b of the second liquid container 100b are collectively referred to as "bag-like member 110 '. Connecting members 120a, 120b, guided portions 165a, 165b and handle 170a, the same applies to 170b, respectively, "connection member 120", "guided portion 165", and are collectively referred to as "handle 170 '.
[0149]
Second Case]
　The second casing 61b, except the points described below has substantially the same configuration as the first case 61a. In the second case 61b, so as to conform to the X direction of the width of the second liquid container 100b, the width of the X direction is changed (Fig. 17, Fig. 24). In the second case 61b, a first side wall portion 201 and the second side wall portion 202 is provided on than the first case 61a protrudes in the + X direction and -X direction position (FIG. 24). In the second case 61b, the rear wall portion 203 (FIG. 24) and front wall portion 205 (FIG. 22) is extended, respectively, with respect to the first case 61a, the X-direction.
[0150]
　The second case 61b, 2 one guide portion 208b corresponding to the guided portion 165b of the second connecting member 120b is provided (17, 19, 23). In the second case 61b, the two guide portions 208b, respectively, spaced apart position from the first side wall 201 and second side wall portions 202, and protrudes from the bottom surface 200s of the bottom wall portion 200 in the -Z direction (FIG. 23) . In this embodiment, the guide portion 208b has a substantially cylindrical shape. Inside each guide portion 208b is desirably are lightening.
[0151]
　Each guide portion 208b has a shape such as chamfered + Y direction side of the curved surface. In other words, each guide portion 208b, the flat portion 208p having a flat surface facing the + Y direction is provided (Figure 19, Figure 23). In the second mounting member 105b, similarly to the first attachment member 105a, when fitted guide portion 208b within the guided portion 165b, the planar portion 208p of the guide portion 208b includes a flat portion 165p of the guided portion 165b surface contact (17, 19).
[0152]
　Height in the Z direction of the guide portion 208b is substantially equal to the thickness in the Z direction of the second connecting member 120b. Therefore, in a state in which the second liquid container 100b is disposed in the second casing 61b, the guide portion 208b extends through a corresponding guided portion 165b (Figure 17). Thus, when the second liquid container 100b which is disposed in the second casing 61b is subjected to a load in the -Y direction, the planar portion opposed to each other in the Y direction 165p (FIG. 19) and the flat portion 208p (FIG. 19 ) and it is likely to contact. Therefore, the stability of the position of the second liquid container 100b is increased.
[0153]
　In the following description, when it is not necessary to distinguish, and a guide portion 208b of the guide portion 208a and the second liquid container 100b of the first liquid container 100a are collectively referred to as "guide portion 208 '.
[0154]
[Mounting mechanism of the liquid container]
　with reference to FIG. 25, illustrating the mounting mechanism of the liquid container 100 for connecting the receiving unit 50. In the upper part of FIG. 25, is shown a first first liquid container 100a of the arrangement state of the case 61a when viewed in the -Y direction. Further, in the lower part of FIG. 25, a portion of the first connection receiving portion 50a when viewed in the -Z direction, is shown to correspond to the first liquid container 100a of the upper. Note that the following description is common to the mounting of the second liquid container 100b for mounting and the second connection receiving portion 50b of the first liquid container 100a to the first connection receiving portion 50a.
[0155]
　Case receiving portion 60 (FIG. 3), the liquid container 100 disposed on the case 61, and moved toward the + Y direction in the arrangement area LA, first, the pair of receiving portion 150f of the liquid container 100, 150s , the pair of positioning portions 53f of the connection receiving part 50, 53s is inserted, a liquid outlet 131 of the liquid container 100 is positioned.
[0156]
　Then, the liquid outlet 131 of the liquid container 100, is inserted liquid introducing portion 51 of the connection receiving part 50, and a liquid introducing portion 51 of the liquid outlet port 131 and the connection receiving part 50 of the liquid container 100 is connected that. Before the connection between the liquid outlet 131 and the liquid introducing portion 51 to fully complete, the periphery 132 that are provided around the liquid outlet port 131, the proximal member 57 surrounding the liquid introduction portion 51 in contact with. When the liquid container 100 and the case 61 to connect the liquid outlet 131 and the liquid introducing portion 51 is completed is pushed in the + Y direction, the proximal member 57 is displaced in the + Y direction. Liquid container 100 is biased in the -Y direction by the biasing member 57e (FIG. 5) provided inside the base member 57.
[0157]
　In parallel to the connection between the liquid outlet port 131 and the liquid introducing portion 51, and the device-side electric connection portion 52 and the container-side electric connection portion 140 of the liquid container 100 of the connection receiving part 50 are connected. First, a pair of guide protrusions 52g of the device-side electric connection portion 52 (FIG. 5) is inserted into the corresponding guide recess 147, positioning of the substrate section 141 of the container-side electric connection portion 140 to the device-side electric connection portion 52 It is made. Then, the terminal portions 52t of the device-side electric connection portion 52 is inserted into the substrate placement portion 144 of the liquid container 100, in electrical contact with the corresponding terminals 142 of the substrate 141. When the connection between the liquid outlet 131 and the liquid introducing portion 51 is completed, a state in which electrical connection is established between the container-side electric connection portion 140 and the device-side electric connection portion 52.
[0158]
　The apparatus fixation structure 54 of the connection receiving part 50, the pair of receiving portion 150f, the pair of positioning portions 53f to 150s, before the 53s are inserted, the convex portion 210 constituting the inlet of the groove portion 215 of the case 61 to be inserted into the internal space 211. Projections 54p of the apparatus fixation structure 54, when the connection with the liquid outlet 131 and the liquid introducing portion 51, the engagement mechanism will be described later, the case-side fixing structure 220 of the case 61 (FIG. 10, FIG. 20) It engages in the engaged portion. Thus, the position of the case 61, while being fixed to a predetermined placement area LA (FIG. 3) in the case 61, a "case accommodated state case 61 is mounted in the case receiving portion 60".
[0159]
　In the liquid container 100 of this embodiment, the container-side electric connection portion 140 in the X direction, are located between the liquid outlet port 131 and the first receiving portion 150f. Therefore, the pair of positioning portions 53f, 53s and a pair of receiving portions 150f, by the 150s, with liquid outlet 131, the positioning accuracy in the X direction of the container-side electric connection portion 140 to the device-side electric connection portion 52 is enhanced .
[0160]
　Further, between the liquid container 100 of this embodiment, the recess 160 that houses an internal space 211 which is the inlet portion of the case-side fixing structure 220 is in the X direction, and the liquid outlet port 131 and the first receiving portion 150f It is located in. Therefore, the pair of positioning portions 53f, 53s and a pair of receiving portions 150f, by the 150s, after which the apparatus side fixing structure 54 is inserted in the groove 215, to move in the Y direction of the device-side fixing structure 54 is guided positioning accuracy of the apparatus fixation structure 54 with respect to the case-side fixing structure 220 is enhanced.
[0161]
　In addition, in this embodiment the liquid container 100, an amount corresponding to the container-side electric connection portion 140 and the recess 160 between as described above and a liquid outlet port 131 and the first receiving portion 150f is provided, a pair receiving portion 150f, the distance in the X direction between the adjacent 150s increases. Therefore, the pair of positioning portions 53f, 53s and the pair of receiving portion 150f, the accuracy of positioning mentioned above by the 150s are further enhanced.
[0162]
　As described above, in the liquid container 100 of this embodiment, in the second opening 151s of the first opening of the first receiving portion 150f 151f and the second receiving portion 150s, it is different the opening shape. Opening width W in the X direction of the second opening portion 151s 2 , the opening width W in the X direction of the first opening portion 151f 1 larger. This configuration can have a margin angle with respect to the Y direction in the horizontal direction of the second positioning portion 53s when the second positioning portion 53s is inserted into the second receiving portion 150s. Therefore, connecting operation of the liquid container 100 for connecting the receiving unit 50 is facilitated. Further, by such a margin is provided, upon connection of the liquid container 100 for connecting the receiving unit 50, stress generated when the second positioning portion 53s is inserted is reduced to the second receiving portion 150s . In the present embodiment, the opening width in the Z direction of the first opening portion 151f and the second opening portion 151s is approximately equal, the opening width in the Z direction of the first opening portion 151f and the second opening portion 151s is different it may be.
[0163]
[Engagement mechanism of the apparatus side fixing structure for case-side fixing structure]
　with reference to FIGS. 26A and 26B, illustrating the engagement mechanism of the apparatus-side fixing structure 54 with respect to the case-side fixing structure 220 of the case 61. Each of the FIGS. 26A and 26B, is shown the case side fixing structure 220 when viewed in the -Z direction. Further, in FIGS. 26A and 26B, in order to show the movement locus of the projections 54p of the apparatus fixation structure 54 in the groove 215, the position P1 ~ P6 protrusions 54p at different timings are shown by dashed lines.
[0164]
　First, referring to FIG. 26A, for explaining the configuration of the case-side fixing structure 220. Case-side fixing structure 220 is in the center than the internal space 211 of the protrusion 210 recessed a -Y direction side region has a central convex portion 221 that protrudes in the + Z direction. Outer peripheral wall surface of the central convex portion 221 when viewed in the Z direction form a substantially triangular periphery outline. Inside the central convex portion 221 is hollowed.
[0165]
　Outer peripheral wall surface of the central convex portion 221 includes a first wall 222, a second wall 223, a third wall 224, a. The first wall 222 extends in an oblique direction between the X and Y directions. At least a portion of the first wall surface 222, overlaps the inner space 211 in the Y direction. The second wall 223 extends in the X direction and intersects the first wall 222. The third wall 224 extends in the Y direction, and intersects the first wall 222 and second wall 223. The third wall 224 overlaps the inner space 211 of the protrusion 210 in the Y direction.

The scope of the claims
[Requested item 1]
　The direction parallel to the gravity direction and Z direction, said the said gravity direction and the same direction + Z direction of the Z-direction, the opposite direction to the gravity direction of the Z-direction and -Z direction,
　the Z-direction and a direction perpendicular to the Y direction, the the one direction + Y direction of the Y-direction, said the other direction the -Y direction of the Y-direction,
　perpendicular to said Z-direction and the Y-direction direction was the X direction, the as one of the direction + X direction of the X-direction, when the other direction of said X-direction and -X direction,
　a housing case receiving portion is provided inside,
　the + a case that is inserted into the case receiving portion by moving along the Y-direction, in a state of being arranged in the case receiving portion, and a bottom surface facing the -Z direction, the -Z direction from the bottom surface two proposals projecting A case having a section, a
　liquid inlet section disposed at an end portion of the + Y direction side of the case accommodating portion,
　and the device-side electric connection portion located at an end portion of the + Y direction side of the case accommodating portion,
the liquid container detachably attached to the case of the liquid ejecting apparatus comprising a
　flexible and a bag-like member accommodating portion for accommodating a liquid therein is provided,
　the liquid container in the mounting state but mounted on the liquid ejecting apparatus, and a connecting member located at an end portion of the + Y direction side
　provided with,
　on the connecting member,
　　in the mounted state, the liquid introducing portion to the -Y direction a liquid outlet port but to be inserted,
　　in the mounted state, the container-side electrical connection portion to which the device-side electric connection portion to the -Y direction is connected,
　　in a state where the liquid storage body is disposed in said case, it said two of the guide portion And at least partially fits two guided portion of,
　　is provided with,
　when in the mounted state, in the X direction, between the two guided portion, the liquid outlet port is positioned , the one and of the two guided portions, between the liquid outlet, wherein the container-side electrical connection portion is positioned, the liquid container.
[Requested item 2]
　The liquid container according to claim 1,
　when in the mounted state, the two guided portions are located in the -Y direction side of the container-side electric connection portion and said liquid outlet , liquid container.
[Requested item 3]
　The liquid container according to claim 2,
　when in the mounted state, the receiving section than said two guided portions disposed on the -Y direction side, the liquid container.
[Requested item 4]
　A claim 2 or claim 3 liquid container according,
　the container-side electric connection portion has a terminal portion for electrical contact with the device-side electric connection portion,
　the terminal portions, the mounted state in the than the end of the -Z direction side of the two guide portions is located in the + Z direction side, by the device-side electric connection portion, is pressed at least in the + Z direction side, the liquid container.
[Requested item 5]
　The liquid container according to any one of claims 1 to 4,
　wherein the liquid ejecting apparatus, in the case accommodating portion, toward the -Y direction side from an end portion of the + Y direction side has two positioning portions extending,
　in the connecting member of the liquid container, the two receiving portions are provided to receive each of the two positioning portions,
　the two receiving portions, the mounted state located in said spaced apart from each other to sandwich the X direction to the liquid outlet position of a case,
　each of the two receiving portions, when viewed in the Y direction when in the mounted state, the 2 one of the one with at least a portion one of the guided portions are overlapped, the liquid container.
[Requested item 6]
　The liquid container as claimed in any one of claims 5,
　at least one of the two guided portions are in the connecting member, disposed over the Z direction when in the mounted state It is, liquid container.
[Requested item 7]
　The liquid container according to any one of claims 1 to 6,
　wherein two of the guide portion, at least, the end of the inlet side of the guide portion corresponding is inserted, the inlet an inclined surface which is inclined and the liquid container so as to face the.
[Requested item 8]
　The liquid container according to any one of claims 1 to 7,
　wherein the bag-like member, the distal end portion positioned in the + Y direction side when in the mounted state, in the housing part communicate, has a supply port for the liquid introducing portion through the liquid outlet port is connected,
　said connecting member, said distal end portion including said supply port, to the Z direction when in the mounted state first and a member and a second member, the liquid container which sandwiched therebetween maintained.
[Requested item 9]
　The liquid container as claimed in any one of claims 8,
　tip the bag-like member is held in the + Y direction side when in the mounted state, by the connecting member It has a section,
　the tip in the X direction when in the mounted state, has a region overlapping with the two guided portions, the liquid container.
[Requested item 10]
　The liquid container according to claim 9,
　wherein the tip is in the X direction when in the worn state, the overlap with the two guided portion, in the Y direction when in the mounted state the a overlap two guided portion, the two along one of the inner peripheral surface of the guided portion has a recess which is recessed in a direction toward the bag-like member from the guided portion, the liquid container.