Technical field
[0001]The present invention relates to unlocking method of landing unlocking device and the landing door door unlocking the elevator landing door manually.
BACKGROUND
[0002]Elevator landing door is locked by the locking device. Since the rescuing passengers maintenance or when the car has to unlock the landing door, the landing door keyhole connecting the locking device is installed. Landing unlocking of the door is performed by the normal maintenance personnel.
Maintenance person inserts the unlocking key into the keyhole provided in the elevator hall doors, unlocks the locking device by rotating, unlocks the landing door. Keyhole because of design characteristics and tamper-proof, as yet hard-to-reach areas not conspicuous, is provided above the landing door. For this reason, it was those that require a great effort to unlock operation.
[0003]
　To solve this, for example, the technique described in Patent Document 1 (JP 2016-37326) have been proposed. This publication, provided telescopic extension device for supporting the unlocking key, attaching the unlocking key to the extension instrument in a state of inserting the unlocking key into the keyhole of the landing door, to the left and right across the unlocking device it is rotated to unlock the locking device is described.
CITATION
Patent Document
[0004]
Patent Document 1: JP 2016-37326 JP
Summary of the Invention
Problems that the Invention is to Solve
[0005]
　Elevator landing door, left and right of the door is locked by the installed locking device to the landing door. When the unlocking operation, then mate lock member and the unlocking key provided on the unlocking device rotates the unlocking device, it is necessary to unlock the locking device. Tablets member, for example, is formed in a triangular shape or star shape. Moreover, lock member is provided so as to be exposed through the keyhole. Unlocking keys inserted through the keyhole also according to the shape of the lock member, it is formed in a triangular shape or star shape. To rotate the lock member, it is necessary to lock member is formed into a triangular shape or star-shape, respectively and the unlocking key to adjust the position to be fitted.
[0006]
　However, in the technique described in Patent Document 1, no consideration at all the functions in which the lock member and the unlocking key to adjust the position to be fitted. For this reason, it was those the unlocking operation is troublesome.
[0007]
　In addition, when turning the unlocking key, it is necessary to rotate the entire unlocking device on the left and right, in the elevator hall, are installed jamb projecting toward the hoistway door around the landing door landing side cage, unlocking device collides with jamb, but can not be rotated unlocking key.
[0008]
　An object of the present invention, the above problem is solved, locking device even when installed at a high position of the landing door, unlocking method of unlocking device and the landing door landing door which can easily perform the unlocking operation It is to provide a.
Means for Solving the Problems
[0009]
　Pattern where the features of the present invention in order to attain the above objects, the landing unlocking instrument inserted into the keyway provided in the elevator hall door unlocking said landing door, which is formed in a cylindrical shape parts and a rotating mechanism provided on one end side of the 該柄 portion, and the key fixing portion rotatably provided on the other end of the handle portion, the rotational force of the rotary mechanism provided in the handle portion a rotation force transmitting means for transmitting to the key fixing portion, provided on said rotary mechanism is to have an operation unit that applies a rotational force about the axis of the rotation mechanism portion.
[0010]
　Further, it is an aspect of the present invention, unlocking the hoistway door to unlock the locking device of the landing door by inserting the landing door unlocking instrument keyhole provided in elevator landing door landing in unlocking method of a door, the landing door unlocking instrument has a handle portion formed in a tubular shape, and a rotary mechanism provided on one end side of the 該柄 portion, rotating the other end of the handle portion and capable provided key fixing unit, and the unlocking key key recess is secured to said key fixing portion is formed, the rotation for transmitting the rotational force of the provided in the handle portion the rotary mechanism to the key fixing portion and force transmitting means, wherein provided on the rotating mechanism unit, and an operation unit that applies a rotational force about the axis of the rotating mechanism unit, inserted to the lock and the key recess and the unlocking key to the keyhole a step of opposing the lock member of the apparatus, the lock and the key recess by rotating the operating unit A step of engaging and wood, by operating the landing door unlocking instrument lies in comprising a step of unlocking the locking device.
The invention's effect
[0011]
　According to the present invention, it is possible to lock device even when installed at a high position of the landing door, provides unlocking method of unlocking device and the landing door landing door which can easily perform the unlocking operation . Incidentally, problems other than those described above, and advantages will become apparent from the following description of embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
[0012]
FIG. 1 is a plan view of the hall door unlocking device according to an embodiment of the present invention.
It is an A-A sectional view of FIG. 1; FIG.
It is a side view showing the structure of FIG. 3 the key unit.
It is a diagram showing a use state of FIG. 4 unlocking instrument.
[FIG 5A] is a side view showing the relationship between the landing lock member of the door unlocking device and locking device according to an embodiment of the present invention.
[FIG. 5B] is a side view showing the relationship between the landing lock member of the door unlocking device and locking device according to an embodiment of the present invention.
[FIG. 5C] is a side view showing the relationship between the landing lock member of the door unlocking device and locking device according to an embodiment of the present invention.
[6] is a front view of the elevator of the hall door from the landing side.
DESCRIPTION OF THE INVENTION
[0013]
　It will be described below with reference to the accompanying drawings an embodiment of the present invention.
Example 1
[0014]
　Figure 6 is a front view of the elevator of the hall door from the landing side.
[0015]
　Elevator landing door as shown in Figure 6, a jamb consisting of jamb 61A, 61B and the upper frame 62 that surrounds the elevator doorway, hall door 63A for opening and closing the left and right, and 63B, landing doors 63A, each of 63B comprising a sill 64 which Doashu slidably engaged not shown is provided in the lower part. Landing door 63A, 63B, in conjunction with the squirrel door is driven by a known door drive device provided in the car for implantation in landing floor, open and close by being guided by the sill 64 and not shown door rails.
Above the landing door 63A keyhole 65 for connecting to the locking device is formed. The keyhole 65 for the design property or tamper, as yet hard-to-reach areas inconspicuous, is provided above the landing door 63. In the present embodiment is provided above the landing door 63A.
[0016]
　Landing door 63 are usually secured by locking device, can not be opened from the outside, when rescuing passengers during maintenance of elevators and the car, it is necessary to unlock the landing door 63. Unlocking of the landing door 63 is performed by the maintenance staff. Maintenance staff inserts the unlocking key 16 into the keyhole 65 to engage the lock member 50 connected with the key recess 31 of the unlocking key 16 the locking device to unlock the locking device. Because the keyhole 65 is above the landing door, when inserting the unlocking key 16 into the keyhole 65, it is necessary to utensils. The configuration of the unlocking device according to an embodiment of the present invention will be described with reference to FIGS.
[0017]
　Figure 1 is a plan view of the hall door unlocking device according to an embodiment of the present invention, FIG. 2 is a sectional view taken along A-A of FIG. 1, FIG. 3 is a side view showing the structure of a key part.
[0018]
　Unlocking device 10 includes a cylindrical stem portion 11 having a predetermined length is, the rotation mechanism section 12 provided at one end of the handle portion 11, one end is provided on the other end of the handle portion 11, L includes a curved portion 13 which is bent into shape, the holding portion 14 mounted to the other end of the curved portion 13, and a key fixing portion 15 which is rotatably held by the holder 14. Inside the unlocking device 10, the rotational force transmission means 20 is provided for transmitting a rotational force. Rotational force transmitting means 20 and the shaft 21 which has one end connected to the rotary mechanism 12, and one end bendable attached to the key fixing portion 15 of the wire 22, to connect the other ends of the wires 22 of the shaft 21 It includes a connecting portion 23. The shaft 21 in this embodiment, constitutes a rotational force transmitting means 20 by a wire 22, and the connecting portion 23, for example, all of these may be constituted by a wire 22. Since there is a particular need to bend the rotating shaft in the bending portion 13, it is necessary to arrange a bendable wire 22. The rotation mechanism section 12 operation section 12a for imparting a rotational force about the axis of the rotation mechanism section 12 is provided.
[0019]
　The key fixing portion 15 is attached detachably unlocking key 16. The unlocking key 16 is a key portion 30 as shown in FIG. 3, the key recess 31 formed inside the hook portion 30, a flange portion 32 which is inserted into the key fixing portion 15, the key portion 30 and the flange portion It is composed 32 and the extension portion 33 having a predetermined length connecting. Unlocking key 16 after inserting the flange portion 32 to the cutout groove (not shown) of the key fixing portions 15 are fixed by tightening the screws 17. The shape of the key recess 31 is formed in depending on the type of elevator locking device eg a triangular or star-shape. Because unlocking key 16 of this embodiment can be removed from the key fixing portion 15 by loosening the screws 17, it is possible to appropriately replace the unlocking key for the type of elevator locking device.
[0020]
　A description will be given of the operation of the unlocking device 10 of the present embodiment. When the operating portion 12a about the axis of the rotary mechanism 12 is rotated as shown in FIG. 1, the shaft 21 of a rotational force constitutes a rotational force transmitting means 20 is transmitted to the wire 22, and the connecting portion 23. Although the wire 22 is disposed in the curved portion 13, the wire 22, capable of bending, can be transmitted reliably rotational force even within curved portion 13. The wire 22 is connected to the key fixing unit 15, the rotational force is transmitted to the key fixing portion 15. Furthermore the key fixing portion 15 and the unlocking key 16 attached, the rotational force is transmitted to the unlocking key 16. Rotational force thus imparted by the operating portion 12a, the rotation mechanism section 12, the rotational force transmitting means 20, via the key fixing unit 15, is transmitted to the unlocking key 16.
[0021]
　Next, FIG. 4 and FIG. 5A, B, operation for operating the unlocking device 10 using a C will be described. Figure 4 is a side view showing the drawing, FIG. 5A, B, C is the relationship between the lock member of the locking device and the unlocking device for landing doors indicating the use state of the unlocking device 10.
[0022]
　The elevator landing door 63, the portion located thereabove, is keyhole 65 is formed, in the interior of the keyhole 65 tablets member 50 connected to the locking device is provided. In this embodiment, the lock member 50 shape projecting toward the insertion port side of the keyhole 65 in a substantially triangular key recess 31 is a concave shape substantially triangular.
[0023]
　If you want to open the elevator hall door 63 from the landing side, maintenance personnel first grips the handle portion 11 of the unlocking device 10, matching the key portion 30 of the keyhole 65 in height (height of the key part 30 keyhole 65 step of bringing in (Fig. 5A)). The key portion 30 of this embodiment is bent in the direction perpendicular to the handle portion 11 by an L-shaped bend 13, it can be aligned in the key portion 30 and the lock member 50. Then insert the key portion 30 from the insertion port side of the keyhole 65, the lock member 50 and the key recess 31 is opposed (lock member 50 and the key recess 31 (unlocking key 16)) a step of facing a (FIG. 5B) ). However, not know a substantially triangular orientation of the lock member 50 in this state, the lock member 50 and the key recess 31 is not engaged, it is impossible to unlock the locking device. Since lock member 50 is provided at a high position, and irregularities of the key recess 31, it is difficult to determine whether the roughness of the lock member 50 corresponds correctly. Accordingly, in this embodiment, first, the handle portion 11 in a bar shape, by increasing the axial length of the unlocking key 16 is provided an extension 33 between the key portion 30 and the flange portion 32 of the unlocking key 16, so that it can be applied even when operating the lock member 50 of the high position.
[0024]
　Maintenance personnel while holding the handle portion 11 with one hand, by rotating the operating portion 12a with the other hand to rotate the hook portion 30 in the same axial line. Then, where the shape of the shape of the lock member 50 and the key recess 31 matches, lock member 50 and the key recess 31 to engage the engaging (locking member 50 and the key recess 31 (unlocking key 16) Step (Figure 5C)). Without the key recess 31 in the hook portion 30 of the unlocking key 16 to correspond to the uneven state of the lock member 50 is easily adjusted, to confirm visually lock member 50 in a high position in this embodiment, easily both irregularities align your of can be in engaged state.
[0025]
　Then maintenance personnel, as a fulcrum lock member 50 and the hook portion 30 of the engagement, moving to rotate the free end of the handle portion 11, can be released by turning the lock member 50 (locking device the step of unlocking). Moreover, this time the maintenance personnel with the other hand, when such hold the operating portion 12a and the handle portion 11 in the vicinity thereof at the same time, while preventing easy rotation of the key 30 alone, the free end of the handle portion 11 it can be moved to rotate the side (the step of preventing rotation of the key portion 30). The distance between one end side of the operating portion 12a and the handle portion 11 of this embodiment is set in a range grasped by a person. Then, it is possible to open the hatch door 63 manually (the step of opening the landing door 63). Such effect is obtained by providing the operating portion 12a in the vicinity of the axial end portion of the handle portion 11, preferably, by configuring the rotatable operating portion 12a which is located in the handle portion 11 coaxially with Obtainable.
[0026]
　In this way, since allows to unlock the lock member 50 installed on the high place readily, will also be able to unify the positions of the lock member 50, parts of the locking device side may also be unified. Also, when the lock member 50 to the unlocked state by the unlocking device 10, without placing a heavy burden on maintenance personnel can be easily performed.
[0027]
　According to this embodiment as described above, the unlocking device 10 for unlocking the lock member 50 provided in the vicinity of the landing door 63 with a handle portion 11 formed in a cylindrical shape, one end of the shank 11 a rotation mechanism portion 12 provided on the side, the key fixing portions 15 rotatably provided on the other end of the handle portion 11, the key fixing portions 15 a rotational force of the provided shank 11 rotating mechanism 12 a rotation force transmitting means 20 for transmitting to, provided on the rotating mechanism 12, provided with the operation portion 12a for imparting a rotational force about the axis of the rotation mechanism section 12.
[0028]
　With such a configuration, after the positioned state, the maintenance personnel in a state that supported by holding the handle portion 11 with one hand, unlocking key that is secured to the key fixing unit 15 by operating the operation unit 12a by the other hand When 16 of the key unit 30 is rotated coaxially, the irregularity of the key recess 31 in the key section 30 so as to correspond to the uneven state of the lock member 50 can be easily adjusted. Therefore, even if the lock member 50 provided in a higher position, by the worker rotates the hook portion 30, an unlocking tool can be readily adjusted to accommodate the irregularities of the lock member 50 10 It is obtained.
[0029]
　The present invention is not limited to the embodiments described above, but includes various modifications. Embodiments described above are those described in detail for the purpose of better understanding of the present invention, not limited to those necessarily include all of the configurations described.
DESCRIPTION OF SYMBOLS
[0030]
10 unlocking instrument 11 shank, 12 rotation mechanism, 12a operating section, 14 holding section, 15 the key fixing portions, 16 unlocking key 20 rotational force transmitting means, 21 shaft, 22 wire, 23 connecting portion, 30 keys parts, 31 key recess 32 flange portion, 33 extension, 50 tablets member, 63, 63a, 63B landing doors, 64 sill 65 keyhole.

The scope of the claims

[Requested item 1]In hall unlocking instrument inserted into the keyway provided in the elevator hall door to unlock the locking device of the hatch door,
　and the handle portion formed in a cylindrical shape, provided on one end side of the該柄portion a rotation mechanism portion, a key fixing portion rotatably provided on the other end of the handle portion, and a rotational force transmission means for transmitting a rotational force of the provided in the handle portion the rotary mechanism to the key fixing portion the provided rotary mechanism, for landing door unlocking device, characterized in that it comprises an operation unit that applies a rotational force about the axis of the rotation mechanism portion.
[Requested item 2]
　According to claim 1,
　wherein the key is a fixed unit detachably unlocking key landing door unlocking device, characterized in that attached.
[Requested item 3]
　According to claim 2,
　wherein the unlocking key to the said landing for landing door unlocking device, characterized in that locking device that engage the key recess of the door is formed.
[Requested item 4]
　According to claim 3,
　wherein the key recess landing door unlocking device, characterized in that it is formed in a substantially triangular shape.
[Requested item 5]
　According to claim 3,
　wherein the unlocking keys the key and flange portion attached to the fixed portion, a key portion of the key recess is formed, said key portion and the flange portion and a predetermined length of the extension portion connecting the landing door unlocking device, characterized in that it is composed of a.
[Requested item 6]
　At any one of claims 1 to 5,
　wherein the rotational force transmitting means unlocking device for landing doors, characterized in that it consists of bendable wire.
[Requested item 7]
　According to claim 6,
　wherein the handle portion and the key for the landing door unlocking device, characterized in that a bend portion between the fixed portion.
[Requested item 8]
　In landing unlocking process of the door for unlocking the landing door to unlock the locking device of the landing door by inserting the landing door unlocking instrument keyhole provided in elevator landing door,
　for the landing door unlocking instrument has a handle portion formed in a tubular shape, and a rotary mechanism provided on one end side of the該柄portion, and the key fixing portion rotatably provided on the other end of the handle portion, said and unlocking keys fixed key recess in the key fixing portion is formed, a rotation force transmitting means for transmitting the rotational force of the provided in the handle portion the rotary mechanism to the key fixing portion, provided in the rotation mechanism section are, the and a rotation mechanism operating portion about the axis to impart a rotational force,
　a step of opposing the lock member inserted to the key recess and the locking device the unlocking key to the keyhole, a step of engaging with the lock member and the key recess by rotating the operating unit, the landing de Landing unlocking method of a door and a step of unlocking the locking device operates the use unlocking instrument.
[Requested item 9]
　According to claim 8,
　comprising the steps of: preventing rotation of the unlocking key, landing unlocking method of a door and a step of opening the hall door.
[Requested item 10]
　According to claim 8 or 9,
wherein the landing door landing unlocking method of a door which is a elevator door.