JP2595703Y2 - Locking device for coin locker - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a coin locker, and more particularly to a locking device for a coin locker which can constitute an opposing locking device only by changing a part of the locking device. .

[0002]

2. Description of the Related Art A coin locker installed in a station or the like has a plurality of rows of locker chambers arranged in a horizontal direction and a plurality of stages in a vertical direction, and an end of a door is pivotally mounted at one end of each rocker chamber. A locking device for locking the door is provided at the other end of the chamber. As shown in FIG. 8, a locking device A is provided at the left end of the coin locker.
Are arranged side by side with a rocker room provided with a locking device A at the right end, and doors D gathered in the center are provided.
There are those that display paintings and photographs using the image to enhance aesthetics.

[0003]

[Problems to be solved by the invention] Locking device A
Since the directions in which the locking rods for locking the door D protrude and retract are opposite, two types of parts for left-handed use and right-handed use must be manufactured in order to manufacture a double-handed locking device at a manufacturing plant. There was inconvenience that had to be. An object of the present invention is to provide a locking device in which most of the components can be used as a dual-purpose locking device.

[0004]

In order to achieve the above object, a locking device for a coin locker according to the present invention has side walls extending on both side ends of a front wall having a lock guide insertion hole into which a customer lock is fitted. A slot inserted through the side wall, a cam insertion hole provided in an inner wall disposed parallel to the front wall, and a lock case fixed to a coin locker and rotatably fitted to the lock guide insertion hole. A lock guide into which the customer lock is inserted into a non-circular hole provided in the center of rotation; and a lock hole rotatably fitted in the cam insertion hole and provided in the square hole provided in the center of rotation. A main cam, into which a rotor of the lock is inserted, and a self-opposing projection and a drive projection are provided on a lever portion protruding from the outer peripheral surface, and an engagement recess inserted into the elongated hole so as to be able to protrude and retract to engage the drive projection. In a locking device of a coin locker having a locking rod In place of the locking rod, a self-reversing locking rod having an engagement hole is inserted into the long hole so as to be able to protrude and retract, and one end of a lever cam having an intermediate portion pivotally attached to the inner wall is engaged with the self-reversing projection. By engaging the other end of the lever cam with the engagement hole of the self-reversing locking rod, a self-reversing locking device can be configured.

[0005]

In the locking device for a coin locker constructed as described above, when the key inserted into the keyhole of the customer lock is rotated in the locking direction, the main cam rotates together with the rotor of the customer lock in the same direction. The drive projection of the main cam pushes the engagement recess of the locking rod, and the locking rod projects from one side wall of the lock case to engage with the door of the coin locker, and the door is locked. When the key is rotated in the unlocking direction, the main cam rotates in the opposite direction together with the rotor of the customer lock, and the driving projection of the main cam pushes the engaging concave portion of the locking rod in the immersion direction. The door is unlocked.

In place of the above locking rod, a self-reversing locking rod is inserted into the elongated hole, and one end of a lever cam having an intermediate portion pivotally attached to the inner wall is engaged with the engaging projection of the main cam, and the other is engaged with the lever cam. When the end is engaged with the engaged portion of the self-reversing locking rod, a self-reversing locking device is obtained. When the key of the customer lock of the opposite locking device is rotated in the locking direction, the main cam rotates together with the rotor of the customer lock in the same direction, and the lever cam which engages with the engaging projection of the main cam rotates the main cam. It turns in the opposite direction to the movement. Therefore, the locking rod that engages with the lever cam projects from the other side wall of the lock case and engages with the door of the coin locker, and the door is locked. The unlocking operation is a reverse operation of locking.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view of a locked state, FIG. 2 is an exploded perspective view of main components of a locking device, and FIG. It is a principal part back view of an apparatus. The overall configuration of the locking device will be described with reference to FIG. 2. In the lock case 1, a side wall 3 is bent and extended at right angles from both side ends with the front wall 2, and the front side of the front wall 2 is provided with the lock case 1. Front (not shown) to be the surface wall
Is attached.

[0008] A lock guide insertion hole 4 is provided in the front wall 2, and a vertical groove 5 opening at the lower end of the front wall 2 is provided below the lock guide insertion hole 4. Above the lock guide insertion hole 4, a pair of upper and lower guide rails 6 are provided on the back surface of the front wall 2.
Are provided between the two guide rails 6, and the two guide rails 6
A guide groove 61 having a concave shape parallel to the groove is provided. A long hole 7 having the same height as the pair of guide rails 6 penetrates the side walls 3.

A groove 9 (see FIG. 1) provided on the outer peripheral surface of the lock guide 8 is rotatably fitted in the lock guide insertion hole 4. A non-circular hole 10 having a shape in which a part of the circumference is cut out in a plane penetrates through the center of rotation of the lock guide 8, and a bifurcated protrusion 11 is provided on the outer peripheral surface. A cylinder lock type customer lock 12 having the same contour as the non-circular hole 10 is inserted into the non-circular hole 10.

A lock bracket 13 for closing the vertical groove 5 is attached to the back surface of the front wall 2.
A management lock 15, which is a cylinder lock, is inserted into the management lock insertion hole 14 provided in the storage device. A large diameter portion 16 is provided on the front surface of the management lock 15, a male screw is screwed on an outer peripheral surface 17 behind the large diameter portion 16, a tip of the rotor 18 is formed in a non-circular shape, and a male screw is screwed on the outer peripheral surface. Is done. After the management lock 15 is inserted into the management lock insertion hole 14, the large nut 19 is screwed into the outer peripheral surface 17, and the management lock 15 is attached to the lock bracket 13.
Stick to

A second cam 21 having an insertion hole 20 having the same shape as the rotor 18 is provided with an emergency unlocking projection 2 projecting forward.
2 and a customer lock replacement projection 23 protruding rearward. Then, after inserting the rotor 18 into the insertion hole 20,
The washer 24 is inserted into the rotor 18, the small nut 25 is screwed into the male screw of the rotor 18, and the second cam 21 is attached to the rotor 1.
Wear 8 The locking rod 26 inserted into the long hole 7 of the side wall 3 is provided with a guide projection 62 that engages with the guide groove 61 of the front wall 2, so that the lock rod 26 can slide along the guide rail 6 and the guide groove 61. . An engaging recess 27 is provided on the lower surface of the locking rod 26.

A set plate 28 constituting an intermediate wall of the lock case 1 is provided with a cam insertion hole 29 at the center and a support shaft 30 protruding from one side (the left side in FIG. 2) of the lower end.
An arcuate hole 31 and a shaft insertion hole 32 are provided above the cam insertion hole 29, and a stopper shaft 33 is provided on the right side thereof. At the upper and lower ends of the set plate 28, two attachment legs 34 are bent and extended, and the attachment legs 34
5 secures to both side walls 3.

The support shaft 30 is inserted into a hole 37 provided on one side (left side in FIG. 2) of the lower end of the lock stopper 36. The lock stopper 36 is provided with a locking hole 38, a large-diameter locking release hole 39 communicating with the locking hole 38, a driven groove 40 at the lower end, and a counterclockwise rotation by a spring 41. When energized, the rotor 42 of the customer lock 12 is engaged with the locking hole 38.

When the driven groove 40 is pushed by the emergency unlocking projection 22 of the second cam 21, the lock stopper 36 rotates clockwise, and the rotor 4 of the customer lock 12 is rotated.
Since the lock 2 is disengaged from the lock hole 38 and moves into the lock release hole 39, the customer lock 12 can be taken out.

A main cam 44 having a square hole 43 into which the square shaft portion 42 of the rotor 42 of the customer lock 12 is inserted is provided with a guide projection 45 projecting rearward from the outer peripheral surface, and a lever portion projecting from the outer peripheral surface. A drive projection 46 that projects forward and engages with the engagement recess 27 of the locking rod 26 and a self-opposite projection 47 are provided at the tip of 44a. A bush 48 is mounted on the guide projection 45, and the tip of the guide projection 45 is inserted into the arc-shaped hole 31 of the set plate 28.

One end 49a of the toggle spring 49 is formed in a ring shape and is mounted on the bush 48. The other end 49 b of the toggle spring 49 is locked in a hole 50 provided in the set plate 28. Therefore, the main cam 44
The rotation angle is regulated by the arcuate hole 31 and is urged to the locked position rotated clockwise and the unlocked position rotated counterclockwise.

After a hole 52 provided at one end of a cam stopper 51 is inserted into the stopper shaft 33 of the set plate 28, a retaining ring 53 is fitted. Cam stopper 5
A rotation preventing groove 54 is provided on the lower surface of the main cam 44 so as to be engaged with and disengaged from the guide projection 45 of the main cam 44. Cam stopper 51
When the coin locker is not used, the main cam 44 is in a position rotated counterclockwise about the stopper shaft 33 as a fulcrum, and the rotation preventing groove 54 is engaged with the guide projection 45. Although it is immovable, when it is detected by a check mechanism (not shown) in the locking device that a predetermined amount of coins has been inserted, it is driven from the check mechanism side and rotates clockwise to guide The main cam 44 is rotatable.

In the shaft insertion hole 32 of the set plate 28,
A shaft 56 provided at the center of the lever cam 55 is inserted, and a snap ring 60 is fitted to the shaft 56. The lever cam 55 is used only for a self-contradictory locking device, and is provided with an engagement protrusion 57 provided on an upper end of the lever cam 55.
Is engaged with an engagement hole 58 provided in the self-reversal locking rod 26 ′, and a long hole 59 provided in a lower end of the lever cam 55.
Engages with the self-opposing projection 47 of the main cam 44.

Next, the operation of the locking device for a coin locker constructed as described above will be described with reference to FIGS. The management lock 15 is used for emergency unlocking of the customer lock 12 and replacement of the customer lock 12 and is not normally used. Since the management lock 15 is not related to the present invention, it is not directly related to the present invention. The operation of the management lock having a mark will be described.

When a predetermined amount of coins is inserted into a coin receiving slot (not shown) provided with a locking device of the coin locker, the check mechanism operates the cam stopper 51, and the cam stopper 51 is moved from the solid line position in FIG. The main cam 44 is rotated to the position and the engagement between the rotation preventing groove 54 of the cam stopper 51 and the guide projection 45 of the main cam 44 is released.
Becomes rotatable.

When the key K inserted into the keyhole of the customer lock 12 is rotated clockwise (locking direction) as shown in FIG. 3, the main cam 44 is rotated in the same direction together with the rotor 42 of the customer lock 12. Then, since the driving projection 46 of the main cam 44 pushes the engaging concave portion 27 of the locking rod 26 rightward, the locking rod 26 protrudes from the right side wall 3 of the lock case 1 (see FIG. 3). Engage and the door is locked.

When the key K is turned in the counterclockwise direction (unlocking direction), the main cam 44 is turned in the counterclockwise direction together with the rotor 42 of the customer lock 12, and the driving projection 46 of the main cam 44 is engaged with the locking rod 26. The concave portion 27 is pushed in the immersion direction, the locking rod 26 is immersed in the right side wall 3 of the lock case 1 (see FIG. 4), and the door is unlocked.

In order to assemble the self-reversing locking device, instead of the above-mentioned locking rod 26, a self-reliant locking rod 26 'is inserted into the elongated hole 7, and the shaft of the set plate 28 forming the inner wall of the lock case 1 is inserted. The shaft 56 of the lever cam 55 is inserted into the insertion hole 32.
Is inserted, and the retaining ring 60 is fitted to the shaft portion 56, and the engaging projection 57 of the lever cam 55 is
Into the engaging hole 58 of the lever cam 55,
The self-opposing projection 47 of the main cam 44 is inserted (see FIGS. 5 and 6). Prior to this assembling, the drive projection 46 of the main cam 44 must be cut to such an extent that it does not interfere with the self-reversing locking rod 26 '. All other parts are also used for the opposite locking device.

The self-contained locking device constructed as described above turns the key K inserted into the keyhole of the customer lock 12 clockwise (locking direction) as shown in FIG. Lock 1
The main cam 44 rotates together with the second rotor 42 in the same direction, the self-opposing projection 47 pushes the long hole 59 of the lever cam 55, and the lever cam 55 rotates counterclockwise about the shaft 56 as a fulcrum. (See FIG. 6).

When the lever cam 55 rotates counterclockwise, the engagement protrusion 57 of the lever cam 55 pushes the engagement hole 58 of the locking rod 26 for self-reversal, and the locking rod 26 'for self-reversal is moved to the left side wall 3. The door is locked because it protrudes from the door and engages with the door. When the key K inserted into the keyhole of the customer lock 12 is rotated in the counterclockwise direction (unlocking direction), the self-opposing projection 47 of the main cam 44 that rotates in the counterclockwise direction is moved by the lever cam 5.
5, the lever cam 55 rotates clockwise about the shaft 56, and the self-reversing locking rod 26 ′ is immersed in the left side wall 3, so that the door can be opened.

[0026]

Since the locking device of the coin locker according to the present invention is constructed as described above, the locking device 26 is replaced with the locking lever 26 'instead of the locking rod 26, and the lever cam 55 is assembled. Can be configured. Therefore, all the other parts can be used also as the dual-purpose locking device, and the manufacture and inventory management of the components of the dual-purpose locking device become easy.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a locking device.

FIG. 2 is an exploded perspective view of main components of the locking device.

FIG. 3 is a rear view of a main part of the locking device showing a locked state.

FIG. 4 is a main part rear view of the locking device showing an unlocked state.

FIG. 5 is a longitudinal sectional view of an opposing locking device.

FIG. 6 is a main part rear view showing a locked state of the locking device of the opposite hand.

FIG. 7 is a main part rear view showing an unlocked state of the locking device of the opposite hand.

FIG. 8 is a front view of a coin locker in which each rocker chamber is symmetrically arranged.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lock case 2 Front wall 3 Side wall 4 Lock guide insertion hole 7 Slot 8 Lock guide 12 Customer lock 13 Lock bracket 21 Second cam 26 Locking rod 26 'Self-opposite locking rod 37 Engaging recess 28 Set plate 30 Support shaft 36 Lock stopper 42 Rotor 44 Main cam 46 Drive projection 47 Self-opposite projection 51 Cam stopper 55 Lever cam 56 Shaft 57 Engagement projection 59 Slot

Claims (1)

(57) [Scope of request for utility model registration] 1. A side wall is provided at both ends of a front wall having a lock guide insertion hole into which a customer lock is fitted, and a long hole penetrating the side wall is provided, and is disposed in parallel with the front wall. A lock case fixed to a coin locker, provided with a cam insertion hole on the inner wall, and a lock case inserted into the lock guide insertion hole so as to be rotatable, and the customer lock is inserted into a non-circular hole provided at the center of rotation. A lock guide, rotatably fitted in the cam insertion hole, a rotor of the customer lock inserted in a square hole provided at the center of rotation, and a lever portion protruding from the outer peripheral surface having a self-opposing protrusion. A locking device for a coin rocker, comprising: a main cam provided with a driving projection; and a locking rod having an engaging recess inserted into and retractable from the elongated hole and engaged with the driving projection, wherein an engaging hole is provided instead of the locking rod. A self-contradictory locking rod with a hole can appear in the slot By inserting one end of a lever cam pivotally connected to the inner wall with the intermediate portion on the inner wall, the other end of the lever cam is engaged with the engagement hole of the self-opposite locking rod, A locking device for a coin locker, wherein the locking device constitutes an opposing locking device.