JP2000149120A - Door locking structure for automatic vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the door locking mechanism of an automatic vending machine, whose crime prevention effect is high. SOLUTION: In the door locking mechanism of an automatic vending machine, a locking board fitted to the front end of an automatic vending machine main body, a sliding board 8 arranged in an outer door 3 and a link mechanism which vertically moves the sliding board 8 are installed. The outer door 3 is locked to the automatic vending machine main body by vertically moving the sliding board 8 and making it in an engaged state with the locking board. An inner board 31 being the constitution member of the outer door 3 is arranged near the sliding board 8 and a stopper mechanism 10 which is engaged with the sliding board 8 and the inner board 31 and inhibits the vertical shift of the sliding board 8 is installed. Thus, crime prevention effect improves since the sliding board 8 does not vertically move even if the link mechanism is tricked.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock mechanism for a vending machine for locking a door for opening and closing a front surface of a main body in a closed state.

[0002]

2. Description of the Related Art Conventionally, as a lock mechanism of this kind of vending machine, for example, a lock mechanism described in Japanese Patent Application Laid-Open No. 5-212525 is known. The lock mechanism of the conventional vending machine will be described with reference to FIG. FIG. 5 is a schematic perspective view illustrating a door lock mechanism of a conventional vending machine.

A vending machine 201 includes a vending machine main body 202 having a front opening and an outer door 203 for opening and closing the front of the vending machine main body 202. Vending machine body 2
At the front end of the opening 02, a plurality of lock plates 204 are vertically arranged. At the lower part of each lock plate 204, a lock groove 204a that opens downward is formed. Outer door 20
A slide plate 205 that can move up and down is arranged inside 3. The slide plate 205 is a vertically extending plate-shaped member bent and formed in an L-shaped cross section, and a locking hole 205a is opened at a height position corresponding to the lock plate 204. On the front side of the outer door 203, a handle 206 whose rotation is restricted by an attached lock is provided. Further, a handle 206 is provided inside the outer door 203.
There is provided a link mechanism 207 for moving the slide plate 205 up and down in link with the turning operation of.

In the vending machine 201, the outer door 203 can be locked in a closed state by closing the outer door 203 while the slide plate 205 is moving upward.
04 is pushed up by contacting the lower edge of the locking hole 205a to the front end thereof, and then the locking groove 204a and the locking hole 20a are pressed.
The lower end of 5a is engaged. Thereby, the outer door 20
3 is locked to the vending machine main body 202 in a closed state, so that the handle 206 may be locked.

To open the outer door 203, the lock is first unlocked and the handle 206 is rotated to move the slide plate 205 downward. As a result, the engagement between the slide plate 205 and the lock plate 204 is released, and the outer door 203 is opened by pulling the handle 206 forward.

[0006]

In recent years, theft of goods and cash stored in vending machines has become more sophisticated, and there is a need for a vending machine door lock mechanism having a higher antitheft effect than conventional ones. ing. That is, in the conventional vending machine 201, if the lock of the handle 206 or the link mechanism 207 is broken by any means, the slide plate 2
05 can be moved up and down, so that the locked state of the outer door 203 is released.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a door lock mechanism for a vending machine having a high antitheft effect.

[0008]

In order to achieve the above object, the present invention comprises a lock member provided on a vending machine main body side and a vertically movable slide member disposed on a door side. In a door lock mechanism of a vending machine that locks a door to a vending machine body by moving a slide member to be in an engaged state with a lock member, a door component member and a slide member disposed near the slide member And a stopper mechanism for preventing the slide member from moving from the state where the slide member and the lock member are engaged with each other by engaging with both.

According to the present invention, even if the mechanism for moving the slide member up and down to engage with the lock member is mischievous or destroyed, the slide member is moved from the state in which the slide member is engaged with the lock member. The slide member does not move from the locked state due to the stopper mechanism that prevents the movement. In addition, since the stopper mechanism, together with the slide member, forms an engaged state with a constituent member of the door disposed near the slide member, the locked state of the slide member can be strengthened.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A door lock mechanism for a vending machine according to an embodiment of the present invention will be described with reference to FIGS. 1 is an external perspective view of a vending machine, FIG. 2 is a schematic perspective view illustrating a door lock mechanism of the vending machine, FIG. 3 is a plan sectional view of an outer door, and FIG. is there.

As shown in FIG. 1, the vending machine includes a vending machine main body 2 having a front opening and an outer door 3 for opening and closing the front of the vending machine main body 2. A display section 3a on which a product sample is placed, a product take-out port 3b, a product selection button (not shown), and the like are provided at the upper front portion of the outer door 3. One of the left and right sides of the outer door 3 (the right side in the present embodiment)
Is provided with a handle 4 for opening the outer door 3 and a first lock 5 embedded in the handle 4. The handle 4 is advanced forward by unlocking the first lock 5, and the outer door 3 can be opened by rotating the advanced handle 4. Further, a second lock 6 is provided below the handle 4, and opening of the outer door 3 requires unlocking of the second lock 6. Further, a first key K1 and a second key K2 correspond to the first lock 5 and the second lock 6, respectively.

At the front end of the opening of the vending machine main body 2, FIG.
As shown in FIG. 5, a plurality (three in this embodiment) of lock plates 7 are arranged vertically. A lock groove 7a that opens upward is formed in the upper edge of the lock plate 7. The lock plate 7 is provided with an inclination such that the lock plate 7 gradually retreats upward. Further, the lock plate 7 is installed so as to rotate downward by a predetermined distance.

Inside the outer door 3, a slide plate 8 that can move up and down is arranged to lock the outer door 3 to the vending machine main body 2 by engaging with the lock plate 7.
The slide plate 8 is a plate-like member that is bent in a substantially U-shaped cross section and extends vertically, and is disposed on the side of the outer door 3.
An inner plate 31 extending from the periphery of the outer door 3 is disposed near the slide plate 8. The inner plate 31 has a locking hole 31a for engaging with the stopper mechanism 10 described later.

An engagement hole 8a is formed in the slide plate 8 at a position corresponding to the lock plate 7. This locking hole 8
The upper edges of the lock plates 7 a
And an engagement portion. Further, a stopper groove 8b for engaging with a stopper mechanism 10 described later is formed on a side surface of the slide plate 8.

The slide plate 8 is provided with a link mechanism 9 for applying a vertical force to move the slide plate 8 up and down. The link mechanism 9 connects the handle 4 and the slide plate 8 and moves the slide plate 8 up and down in link with the turning operation of the handle 4.

Further, a stopper mechanism 10 is disposed on the side of the slide plate 8 to prevent the slide plate 8 from moving in the vertical direction. The stopper mechanism 10 is installed such that the inner plate 31 of the outer door 3 is arranged between the stopper mechanism 10 and the slide plate 8. The stopper mechanism 10 operates in conjunction with the second lock 6, and engages with the slide plate 8 and the inner plate 31 of the outer door 3 to prevent the slide plate 8 from moving in the vertical direction.

The stopper mechanism 10 is formed by attaching the second lock 6 which is a cylinder lock to a stopper mounting piece 101 to form an integral unit. A link piece 103 for connecting the second lock 6 to the second lock 6, and a guide plate 104 connected to the stopper mounting piece 101 for guiding and supporting the stopper shaft 102 are provided. The stopper shaft 102 is a metal rod-shaped member, and one end of the stopper shaft 102 is a link piece 10.
3 and rotatably connected. The stopper shaft 102 has a guide hole 1 formed on the guide plate 104 at the other end.
04a is slidably inserted into the inside. Here, when the stopper shaft 102 is advanced in the direction of the slide plate 8, the stopper shaft 102 is inserted through the locking hole 31 a of the inner plate 31 and the stopper groove 8 b of the slide plate 8 to form an engaged state.

With this configuration, when the outer door 3 is closed from the open state, the front end of the lock plate 7 contacts the upper edge of the locking hole 8a of the slide plate 8, but the lock plate 7 is inclined at the front end. The locking hole 8a of the slide plate 8 enters the lock groove 7a while being guided downward by the section and rotating. Thus, the lock plate 7 and the slide plate 8 are engaged. Further, when the second lock 6 is rotated in the locking direction using the second key K2, the stopper shaft 102 of the stopper mechanism 10 is interlocked with the second lock 6 and the locking hole 31a of the inner plate 31 is moved. And it enters into the stopper groove 8b of the slide plate 8. Thus, the stopper shaft 102 is engaged with the stopper groove 8b of the slide plate 8 and the locking hole 31a of the inner plate 31. Finally, when the first lock 5 is locked using the first key K1, the locking of the outer door 3 to the vending machine main body 2 is completed.

In order to open the outer door 3 from the closed state, first, the first lock 5 is unlocked using the first key K1, and the second lock 6 is unlocked using the second key K2. Lock. Second lock 6
, The engagement between the stopper shaft 102, the slide plate 8 and the inner plate 31 is released. Next, when the handle 4 is rotated and the slide plate 8 is moved upward, the engagement state between the lock plate 7 and the slide plate 8 is released. Therefore, if the handle 4 is pulled forward, the outer door 3 is opened. You.

Here, to open the outer door 3 from the closed state, the slide plate 8 is moved upward as described above to release the engagement between the lock plate 7 and the slide plate 8, and
It is essential to release the engagement between the slide plate 8 and the stopper shaft 102. Therefore, the anti-theft effect is higher than that of a conventional vending machine in which the outer door 3 is locked only by the engagement between the lock plate 7 and the slide plate 8. That is, in the conventional structure, if the first lock 5 and the link mechanism 9 are broken by any means, the slide plate 8 can be moved, but in the case of this embodiment, Also, the movement of the slide plate 8 is prevented by the stopper mechanism 10. The stopper shaft 102 of the link mechanism 10 is configured to engage with the stopper groove 8b of the slide plate 8 and also engage with the locking hole 31a of the inner plate 31 disposed near the slide plate 8. . Therefore, even if a strong force is applied to the slide plate 8, the engagement between the stopper shaft 102 and the slide plate 8 is not released, and the antitheft effect is further improved.

As described above, according to the door lock mechanism of the vending machine according to the present embodiment, even if the link mechanism 9 is mischievous or broken, the slide plate 8 is engaged with the lock plate 7 by the stopper mechanism 10. It does not move from the combined state. Also,
The stopper mechanism 10, together with the slide plate 8, forms an engagement state with the inner plate 31 of the outer door 3 arranged near the slide plate 8, so that the lock state of the slide plate 8 can be strengthened. it can. Therefore, the antitheft effect is high.

Since two locks, a first lock 5 and a second lock 6, are provided on the outer door 3, the antitheft effect can be further improved by the visual effect of these locks.

[0023]

As described in detail above, according to the present invention,
Even if the mechanism for moving the slide member up and down to engage with the lock member is mischievous or destroyed, the slide mechanism is prevented from moving the slide member from the state where the slide member and lock member are engaged. The member does not move from the locked state. In addition, since the stopper mechanism, together with the slide member, forms an engaged state with a constituent member of the door disposed near the slide member, the locked state of the slide member can be strengthened. Therefore, the antitheft effect is high.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a vending machine.

FIG. 2 is a schematic perspective view illustrating a door lock mechanism of a vending machine.

FIG. 3 is a cross-sectional plan view of the outer door.

FIG. 4 is a view of the outer door as viewed from the rear side.

FIG. 5 is a schematic perspective view illustrating a door lock mechanism of a conventional vending machine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Vending machine, 2 ... Vending machine main body, 3 ... Outer door, 31
... inner plate, 31a ... locking hole, 4 ... handle, 5 ... first lock, 6 ... second lock, 7 ... lock plate, 7a ... lock groove, 8
... Slide plate, 8a ... Lock hole, 8b ... Stopper groove, 9 ...
Link mechanism, 10: stopper mechanism, 101: stopper mounting piece, 102: stopper shaft

Claims (1)

[Claims] 1. A lock member provided on a vending machine main body side and a vertically movable slide member disposed on a door side, wherein the slide member is moved to be in an engaged state with the lock member. In the door lock mechanism of the vending machine for locking the door to the vending machine main body, the slide member and the lock member are engaged by engaging with both the constituent member of the door and the slide member arranged near the slide member. A door lock mechanism for a vending machine, comprising a stopper mechanism for preventing movement of a slide member from a combined state.