Work vehicle
Technical field
[0001]
　The present invention relates to a technique of a work vehicle including a control device for controlling the operation of the work vehicle.
Background technology
[0002]
　Conventionally, a technique of a work vehicle including a control device for controlling the operation of the work vehicle has been known. For example, as described in Patent Document 1.
[0003]
　Patent Document 1 describes a tractor including a control device for controlling the operation. A harness for writing information is connected to such a control device. Generally, the harness connector is fixed inside a cover that houses the control device.
[0004]
　However, if the connector is fixed inside the cover accommodating the control device, there is a problem that the cover must be removed when writing information, and the connector cannot be easily taken out.
Prior art literature
Patent documents
[0005]
Patent Document 1: Japanese Unexamined Patent Publication No. 2016-82948
Outline of the invention
Problems to be solved by the invention
[0006]
　The present invention has been made in view of the above circumstances, and an object to be solved thereof is to provide a work vehicle capable of easily taking out a connector of a harness connected to a control device.
Means to solve problems
[0007]
　The problem to be solved by the present invention is as described above, and next, the means for solving this problem will be described.
[0008]
　That is, the work vehicle of the present invention includes a control device for controlling the operation of the work vehicle and an accommodating portion for accommodating the control device, and the accommodating portion is a cover formed so as to cover the control device. A connector attachment portion formed so that the main body and the connector of the harness connected to the control device can be detachably attached, and the cover main body can be detachably attached or the connector can be relatively moved so as to be exposed. , Are provided.
[0009]
　Further, the cover body includes an opening formed so that a part of the cover body is opened, and the connector mounting portion covers the opening and the connector is mounted inside the cover body. It is formed so that it can be used.
[0010]
　Further, the connector mounting portion includes a covering member that covers the opening and a mounting member that is formed so that the connector can be mounted.
[0011]
　Further, the covering member includes a protruding portion that projects toward the inside of the cover body, and the mounting member is formed so as to be fitted to the protruding portion.
[0012]
　Further, the mounting member is attached to a surface of the covering member that covers the opening, and the connector is detachably formed from the mounting member by relatively moving the connector along the surface. It is a thing.
[0013]
　Further, the cover member is rotatably provided with respect to the cover body so as to open and close the opening, and the mounting member rotates the cover member so as to open the opening. At that time, the connector is removably formed by relatively moving the connector toward the outside of the cover body.
[0014]
　Further, the cover body is a console cover provided on the side of the driver's seat and accommodating a part of the operation mechanism.
[0015]
　Further, the connector mounting portion is formed so that the connector can be mounted downward.
Effect of the invention
[0016]
　As the effect of the present invention, the following effects are exhibited.
[0017]
　In the present invention, the connector can be easily taken out by removing the connector mounting portion or by moving the connector relative to each other without removing the cover main body.
[0018]
　Further, in the present invention, the connector mounting portion also serves as a part of the cover main body, so that space can be saved.
[0019]
　Further, in the present invention, the shape of each member can be simplified by making the portion covering the opening and the portion to which the connector is attached as separate members.
[0020]
　Further, in the present invention, the mounting member can be easily mounted on the covering member.
[0021]
　Further, according to the present invention, the connector can be attached and detached more easily.
[0022]
　Further, according to the present invention, the connector can be removed more easily.
[0023]
　Further, in the present invention, the console cover also serves as the cover main body of the accommodating portion, so that space can be saved.
A brief description of the drawing
[0024]
FIG. 1 is a right side view showing an overall configuration of a tractor according to an embodiment of the present invention.
[Fig. 2] A perspective view showing a seat, a console, and the like.
[Fig. 3] A perspective view showing the back side of the console.
[Fig. 4] Right side view showing the back side of the console.
5 is a cross-sectional view taken along the line AA in FIG.
FIG. 6 is an exploded perspective view showing a harness and a connector mounting member.
FIG. 7 is a perspective view showing a female connector.
[Fig. 8] A cross-sectional view showing a state in which a harness connector is taken out.
Mode for carrying out the invention
[0025]
　In the following, the directions indicated by the arrows U, D, arrow F, arrow B, arrow L, and arrow R in the figure are defined as upward, downward, forward, backward, leftward, and rightward, respectively. I will explain.
[0026]
　First, the overall configuration of the tractor 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 and 2.
[0027]
　The tractor 1 mainly includes the body frame 2, the engine 3, the flywheel housing 4, the clutch housing 5, the transmission case 6, the elevating device 7, the front wheels 8, the rear wheels 9, the bonnet 10, the muffler 11, the steering wheel 13, the seat 14, and the rops. It includes a frame 15, an operating tool 16, a console 100, an ECU 200, and the like.
[0028]
　The airframe frame 2 is a frame-shaped member formed by appropriately combining a plurality of plate materials. The airframe frame 2 is arranged at the lower front portion of the tractor 1 with its longitudinal direction facing the front-rear direction. The engine 3 is fixed to the rear part of the airframe frame 2. A flywheel housing 4 is fixed to the rear part of the engine 3. A clutch housing 5 is fixed to the rear portion of the flywheel housing 4. A transmission case 6 is fixed to the rear portion of the clutch housing 5. An elevating device 7 is provided at the rear of the transmission case 6. Various working devices (for example, a cultivator, etc.) can be attached to the elevating device 7.
[0029]
　Further, the front portion of the airframe frame 2 is supported by a pair of left and right front wheels 8 via a front axle mechanism (not shown). The transmission case 6 is supported by a pair of left and right rear wheels 9 via a rear axle mechanism (not shown). The rear wheel 9 is covered from above by the fender 12.
[0030]
　Further, the engine 3 is covered with the bonnet 10. A muffler 11 for discharging the exhaust gas of the engine 3 is arranged on the left side of the bonnet 10. A steering wheel 13, a seat 14, pedals, and the like are arranged behind the bonnet 10.
[0031]
　The power of the engine 3 can be transmitted to the front wheels 8 via the front axle mechanism after being changed by a transmission (not shown) housed in the transmission case 6, and the power can be transmitted to the front wheels 8 via the rear axle mechanism and the rear wheels 9 through the rear axle mechanism. It is said that it can be transmitted to. In this way, the front wheels 8 and the rear wheels 9 are rotationally driven by the power of the engine 3, and the tractor 1 can travel. Further, the power of the engine 3 can drive the work device mounted on the elevating device 7.
[0032]
　Behind the seat 14, a rops frame 15 is arranged which stands from the left and right sides of the seat 14 and protects the driver in the event of a fall.
[0033]
　On the right side of the seat 14, a console 100 accommodating an operating tool 16 for shifting the speed of the tractor 1 and raising and lowering the working machine is arranged. Further, the console 100 houses an ECU 200 that controls the operation of the tractor 1. One end side of a harness 210 for writing information to the ECU 200 is connected to the ECU 200. A male connector 211 and a female connector 212 connected to the male connector 211 are provided on the other end side of the harness 210 (see FIG. 3 and the like).
[0034]
　Next, the console 100 will be described in detail with reference to FIGS. 2 to 7.
[0035]
　As described above, the operating tool 16 and the ECU 200 are housed in the console 100. As shown in FIG. 2, the console 100 is arranged between the seat 14 and the fender 12 on the right side. The console 100 includes a lower cover 110, an upper cover 120, and an opening / closing portion 130.
[0036]
　The lower cover 110 constitutes the lower part of the console 100. The lower cover 110 has a portion formed in a substantially rectangular plate shape in a side view with the plate surface oriented in the left-right direction, and is formed so that both front and rear ends thereof are bent to the right. The lower cover 110 is provided so as to cover the operating tool 16 and the ECU 200 from the left side (and the front side and the rear side). The lower cover 110 is fixed to the right fender 12 at its right end. The lower cover 110 includes an opening 111.
[0037]
　The opening 111 shown in FIGS. 2, 4 and 5 is a portion formed so that a part of the lower cover 110 is opened. The opening 111 is formed so as to penetrate the rear upper portion of the lower cover 110 in the left-right direction. The opening 111 is formed in a substantially rectangular shape in a side view. 2 to 5 show a state in which the opening 111 is closed (covered) by the opening / closing portion 130 described later.
[0038]
　The upper cover 120 shown in FIG. 2 constitutes the upper part of the console 100. The upper cover 120 is formed in substantially the same shape as the lower cover 110 in a plan view. The upper cover 120 is formed so as to cover the left part, the front part, the rear part and the upper part (the right side and the lower part are opened). A hole (notch) is appropriately formed in the upper cover 120 so that the operating tool 16 can be operated.
[0039]
　A space is formed inside by the lower cover 110 and the upper cover 120 and the fender 12 on the right side formed in this way, and the operating tool 16 and the ECU 200 are housed in the space.
[0040]
　The opening / closing portion 130 shown in FIGS. 2 to 5 opens and closes the opening 111. The opening / closing portion 130 is provided at a position lower than the seat 14 (the portion on which the driver sits). The opening / closing portion 130 includes a small cover 131 and a connector mounting member 132.
[0041]
　The small cover 131 is a portion that covers the opening 111. The small cover 131 is formed in a substantially rectangular plate shape (a shape substantially the same as the opening 111 in a side view) with the plate surface facing in the left-right direction. The small cover 131 includes a hooking portion 131a, an elastic portion 131b, a protruding portion 131c, and a rib 131d.
[0042]
　The hooking portion 131a shown in FIGS. 4 and 5 is a portion hooked on the lower end portion of the opening 111. As shown in FIG. 4, the hooking portion 131a is formed at two locations at the lower end portion of the small cover 131 with a front-rear spacing. As shown in FIG. 5, the hooking portion 131a is formed so as to bend from the lower end of the small cover 131 to the right and the tip thereof to bend downward. The hooking portion 131a is provided so that the portion bent to the right is placed on the lower end of the opening 111 and the portion bent downward is inserted into the back surface side (inside) of the lower cover 110.
[0043]
　The elastic portion 131b shown in FIGS. 4 and 5 is a portion having elasticity. As shown in FIG. 4, the elastic portion 131b is formed at the center of the front and rear at the upper end portion of the small cover 131. As shown in FIG. 5, the elastic portion 131b is formed so that the elastic portion 131b bends to the right from the upper end of the small cover 131 and the tip thereof bends (folds) to the upper left. The elastic portion 131b is formed as described above, and is formed of an elastic material so that it can be compressed (deformed) in the vertical direction and can be restored to its original shape. The elastic portion 131b is provided so as to be hooked on the upper end of the opening 111 in a state of being compressed in the vertical direction. As a result, the elastic portion 131b urges the upper end of the opening 111 upward, that is, is pressed against the upper end of the opening 111.
[0044]
　The small cover 131 formed in this way is locked to the lower end of the opening 111 at the hooking portion 131a and is locked to the upper end of the opening 111 at the elastic portion 131b so as to cover the opening 111. It is attached to the lower cover 110.
[0045]
　The projecting portion 131c shown in FIGS. 3 to 5 is a portion projecting to the right from the back surface of the small cover 131. The protruding portion 131c is formed in a columnar shape with the axial direction oriented in the left-right direction. The protruding portions 131c are formed at two locations at intervals in the front-rear direction.
[0046]
　The rib 131d shown in FIGS. 3 to 5 is for improving the strength of the protruding portion 131c. The rib 131d is formed in a thin shape protruding to the right from the back surface of the small cover 131, and is connected to the outer peripheral surface of the protruding portion 131c. The rib 131d is formed so that its height (length in the left-right direction) is lower than the height of the protrusion 131c.
[0047]
　The connector mounting member 132 shown in FIGS. 3 to 6 is for mounting the connector (female connector 212) of the harness 210 to the small cover 131. The connector mounting member 132 includes a main body portion 132a, a bent portion 132b, and a through hole 132c.
[0048]
　The main body 132a shown in FIGS. 5 and 6 is formed in a substantially rectangular plate shape with the plate surface oriented in the left-right direction. The main body 132a is arranged with the longitudinal direction facing the front-rear direction.
[0049]
　The bent portion 132b shown in FIGS. 5 and 6 is formed so that the bent portion 132b is bent to the right from the lower end of the main body portion 132a, and the front-rear center portion of the tip thereof is bent upward.
[0050]
　The through hole 132c shown in FIG. 6 is formed so as to penetrate the main body 132a in the thickness direction. The through holes 132c are formed at two positions at positions corresponding to the protruding portions 131c at intervals in the front-rear direction. The through hole 132c is formed in a size that allows the protrusion 131c to be inserted.
[0051]
　The connector mounting member 132 formed in this way is provided so that the left surface of the main body portion 132a comes into contact with the right surface of the rib 131d in a state where the protruding portion 131c is inserted into the through hole 132c. Then, the connector mounting member 132 is fixed to the small cover 131 by fastening the protruding portion 131c and the main body portion 132a with a push nut.
[0052]
　Hereinafter, the configuration of the female connector 212 of the harness 210 will be described. A male connector 211 is connected to the female connector 212 shown in FIGS. 3 to 7. The female connector 212 includes a connector insertion portion 212a and a slide portion 212b.
[0053]
　The connector insertion portion 212a shown in FIG. 6 is a portion into which the male connector 211 is inserted. The connector insertion portion 212a is formed so that the upper surface of the female connector 212 is recessed (as a non-penetrating hole in which the upper surface opens). The connector insertion portion 212a is formed in a shape corresponding to the male connector 211 so that the male connector 211 can be inserted. Then, the connector insertion portion 212a is formed so that the male connector 211 is locked when the male connector 211 is inserted all the way.
[0054]
　The slide portion 212b shown in FIGS. 6 and 7 is for attaching the female connector 212 to the connector mounting member 132. The slide portion 212b is formed so as to rise to the left from both front and rear ends of the left side surface of the female connector 212 and to bend the left end portion toward the front and rear center side. The slide portion 212b is formed so that the upper end portion serves as a wall.
As a result, the slide portion 212b can accept the bent portion 132b from below, and the bent portion 132b is formed so as to be slidable in the vertical direction. Then, the slide portion 212b is formed so that the slide upward of the bent portion 132b can be restricted at the upper end portion thereof.
[0055]
　The female connector 212 formed in this way is attached to the connector attachment member 132 by sliding the bent portion 132b of the connector attachment member 132 to the slide portion 212b. The female connector 212 is provided so that the male connector 211 can be attached by moving (proximating) the male connector 211 downward.
[0056]
　In this way, the shape of each member is simplified by separating the portion covering the opening 111 (small cover 131) and the portion to which the male connector 211 and the female connector 212 are attached (connector attachment member 132). be able to.
[0057]
　Next, a method of removing the male connector 211 and the female connector 212 of the harness 210 from the connector mounting member 132 will be described with reference to FIGS. 5 and 8.
[0058]
　In order to remove the male connector 211 and the female connector 212, first, the elastic portion 131b is compressed in the vertical direction to release the lock between the elastic portion 131b and the upper end of the opening 111. Then, with the elastic portion 131b compressed in the vertical direction, the opening / closing portion 130 (small cover 131) is pulled toward the front side (left side) of the lower cover 110, so that the hook portion 131a (pull) is pulled as shown in FIG. The opening / closing portion 130 is swung counterclockwise when viewed from the rear, centering on the contact portion between the hanging portion 131a and the opening 111). As a result, the opening 111 can be opened and the male connector 211 and the female connector 212 can be exposed through the opening 111.
[0059]
　Further, the opening / closing portion 130 can be removed from the lower cover 110 by swinging the elastic portion 131b in the vertically compressed state as shown in FIG. 8 and then moving the opening / closing portion 130 to the upper left. ..
[0060]
　With the opening / closing portion 130 swung or removed in this way, as shown in FIG. 8, the female connector 212 is slid toward the outside of the console 100 with respect to the connector mounting member 132 to mount the connector. The harness 210 (male connector 211 and female connector 212) can be removed from the member 132.
[0061]
　In this way, the male connector 211 and the female connector 212 can be exposed to the outside of the console 100 by swinging or removing the opening / closing portion 130 without removing the lower cover 110. The female connector 212 can be easily taken out. At this time, since the male connector 211 and the female connector 212 are taken out in the direction of pulling toward the upper end side of the small cover 131, the male connector 211 and the female connector 212 can be easily removed from the connector mounting member 132.
[0062]
　Therefore, it is possible to reduce the time and effort required to write the information of the ECU 200. Further, at the time of assembling, the information writing work of the ECU 200 can be performed even after the lower cover 110 and the upper cover 120 are assembled, so that the assembling work efficiency can be improved.
[0063]
　Further, the connector attachment member 132 is arranged at a position lower than the seat 14, and the female connector 212 is attached by moving the female connector 212 downward (that is, the female connector 212 is relatively moved upward). Since the female connector 212 is provided so as to be removed), the work vehicle sitting on the seat 14 can easily remove the harness 210 (male connector 211 and female connector 212) from the connector mounting member 132.
[0064]
　As described above, the tractor 1 (working vehicle) according to the present embodiment includes an ECU 200 (control device) for controlling the operation of the tractor 1 and a console 100 (accommodation unit) for accommodating the ECU 200. In 100, a lower cover 110 formed so as to cover the ECU 200 and a male connector 211 and a female connector 212 (connector) of the harness 210 connected to the ECU 200 are detachably attached to the lower cover 110. It is provided with an opening / closing portion 130 (connector mounting portion) formed so as to be detachably or relatively movable so that the male connector 211 and the female connector 212 are exposed.
　With this configuration, the male connector 211 and the female connector 212 can be easily taken out by removing the opening / closing portion 130 or by moving the opening / closing portion 130 relative to each other without removing the lower cover 110.
[0065]
　Further, the lower cover 110 includes an opening 111 formed so that a part of the lower cover 110 opens, and the opening / closing portion 130 covers the opening 111 and the inside of the lower cover 110. The male connector 211 and the female connector 212 are formed so as to be attached to the above.
　With this configuration, the opening / closing portion 130 also serves as a part of the lower cover 110, and space can be saved.
[0066]
　Further, the opening / closing portion 130 includes a small cover 131 (covering member) that covers the opening 111, and a connector mounting member 132 (mounting member) formed so that the male connector 211 and the female connector 212 can be mounted. It is equipped.
　With this configuration, the shape of each member can be simplified by making the portion covering the opening 111 and the portion to which the male connector 211 and the female connector 212 are attached as separate members.
[0067]
　Further, the small cover 131 includes a protruding portion 131c that protrudes toward the inside of the lower cover 110, and the connector mounting member 132 (mounting member) is formed so as to be fitted to the protruding portion 131c. It is something that is.
　With this configuration, the connector mounting member 132 can be easily mounted on the small cover 131.
[0068]
　Further, the connector mounting member 132 is mounted on a surface of the small cover 131 that covers the opening 111, and the male connector 211 and the female connector 212 are relatively moved along the surface to move the connector mounting member 132. The male connector 211 and the female connector 212 are detachably formed from 132.
　With this configuration, the male connector 211 and the female connector 212 can be more easily attached and detached.
[0069]
　Further, the small cover 131 is rotatably provided with respect to the lower cover 110 so as to open and close the opening 111, and the connector mounting member 132 is provided so as to open the opening 111. When the small cover 131 is rotated, the male connector 211 and the female connector 212 are detachably formed by relatively moving the male connector 211 and the female connector 212 toward the outside of the lower cover 110. It is something that is.
　With this configuration, the male connector 211 and the female connector 212 can be removed more easily.
[0070]
　Further, the lower cover 110 is a console cover provided on the side of the seat 14 and accommodating a part of the operating tool 16 (operating mechanism).
　With this configuration, the console cover also serves as the cover body of the accommodating portion, and space can be saved.
[0071]
　Further, the opening / closing portion 130 is formed so that the male connector 211 and the female connector 212 can be attached downward.
　With this configuration, the male connector 211 and the female connector 212 can be more easily attached and detached.
[0072]
　The tractor 1 according to the present embodiment is an embodiment of the work platform according to the present invention.
　Further, the console 100 according to the present embodiment is an embodiment of the accommodating portion according to the present invention.
　Further, the lower cover 110 according to the present embodiment is an embodiment of the cover main body and the console cover according to the present invention.
　Further, the opening / closing portion 130 according to the present embodiment is an embodiment of the connector mounting portion according to the present invention.
　Further, the small cover 131 according to the present embodiment is an embodiment of the covering member according to the present invention.
　Further, the connector mounting member 132 according to the present embodiment is an embodiment of the mounting member according to the present invention.
　Further, the ECU 200 according to the present embodiment is an embodiment of the control device according to the present invention.
　Further, the male connector 211 and the female connector 212 according to the present embodiment are one embodiment of the connector according to the present invention.
[0073]
　Although one embodiment of the present invention has been described above, the present invention is not limited to the above configuration, and various modifications can be made within the scope of the invention described in the claims.
[0074]
　For example, the work vehicle according to the present embodiment is assumed to be the tractor 1, but the type of the work vehicle according to the present invention is not limited to this. The work vehicle according to the present invention may be another agricultural vehicle, a construction vehicle, an industrial vehicle, or the like.
[0075]
　Further, in the present embodiment, the tractor 1 is assumed to be a rops machine including the rops frame 15, but may be a cabin machine including a cabin.
[0076]
　Further, in the present embodiment, the connector mounting member 132 is mounted on the small cover 131 that covers the opening 111, but the present invention is not limited to this, and the male connector 211 is not limited to this, and the male connector 211 is in a state where the opening 111 is open. And, as long as the female connector 212 is configured to be exposed, it may be attached to a member different from the small cover 131.
[0077]
　Further, in the present embodiment, the small cover 131 and the connector mounting member 132 are separate members, but they may be formed as one member.
[0078]
　Further, in the present embodiment, the small cover 131 is provided so as to be rotatable (swinging) around the lower end portion thereof (that is, around the axis extending in the front-rear direction), but the present invention is limited to this. For example, it may be provided so as to be rotatable (swing) around an axis extending in the vertical direction, or it may be provided so as to be rotatable (swing) around a middle portion of the small cover 131 in the vertical direction. It may be a thing.
[0079]
　Further, in the present embodiment, the connector mounting portion (opening / closing portion 130) is provided on the console 100, but the present invention is not limited to this, and for example, the connector mounting portion (opening / closing portion 130) may be provided on the cover covering the steering post. good.
Industrial applicability
[0080]
　The present invention can be applied to a work vehicle provided with a control device for controlling the operation of the work vehicle.
Code description
[0081]
　1 Tractor
　100 Console
　110 Lower cover
　111 Opening
　130 Opening / closing
　131 Small cover
　131c Protruding
　132 Connector mounting member
　200 ECU
　210 Harness
　211 Male connector
　212 Female connector
The scope of the claims
[Claim 1]
　A control device for controlling the operation of the work vehicle and
　an accommodating portion for accommodating the control device are
　provided, and the
　accommodating portion is 　connected to
　a cover main body formed so as to cover the
control device and the control device. A 　work vehicle
　comprising a connector attachment portion formed so that the connector of the harness can be detachably attached and detachably attached to the cover body or so as to be relatively movable so that the connector is exposed
.
[Claim 2]
　The cover body includes
　an opening formed so that a part of the cover body is opened, and the
　connector mounting portion
　covers the opening and the connector is mounted inside the cover body.
　The work vehicle according to claim 1 , which is formed in .
[Claim 3]
　The connector mounting portion,
　and a cover member covering the opening portion,
　and a mounting member to which the connector is formed to be mounted,
　comprising a
　work vehicle according to claim 2.
[Claim 4]
　The work vehicle according to claim 3, 　wherein the cover member includes
　a projecting portion that projects toward the inside of the cover body, and the
　mounting member is
　formed so as to be fitted to the projecting portion
.
[Claim 5]
　The mounting member
　with attached to a surface for covering said opening of said cover member,
　by relatively moving the connector along the surface, is detachably form the connector from the mounting member,
　wherein The work vehicle according to claim 3 or 4.
[Claim 6]
　The cover member is
　rotatably provided with respect to the cover body so as to open and close the opening, and the
　mounting member is
　when the cover member is rotated so as to open the opening.
　The work vehicle according to claim 5 , wherein the connector is detachably formed by relatively moving the connector toward the outside of the cover body .
[Claim 7]
　The work vehicle according to any one of claims 1 to 6 　, wherein the cover main body is
　a console cover provided on the side of the driver's seat and accommodating a part of the operation mechanism
.
[Claim 8]
　The work vehicle according to any one of claims 1 to 7 　, wherein the connector mounting portion is
　formed so that the connector can be mounted downward