JP2001132297A - Locking apparatus for vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a locking apparatus for a vending machine, which resists opening of a door of the machine due to forced opening of an operating shaft of the door or breaking of the door from a gap in a side surface, to thereby enhance crime preventive performance. SOLUTION: A front panel 3 of a vending machine includes a keyhole portion 10 having a rotary plate 12, and one ends of upper and lower lock bars 13, 16 are attached to portions above and below the rotary plate 12, respectively, while the other ends of the same are removably inserted into lock holes 15a, 18a of upper and lower latches 15, 18, respectively. Upper and lower stoppers 20, 30 are arranged on the front panel 3 at upper and lower locations thereof, in a manner being rotatable on horizontal shafts 21, 31, respectively. Then, hooking portions 20d, 30d are arranged at rear ends of the upper and lower stoppers 20, 30. Upper and lower locking portions 22, 32 are arranged on a ceiling and an inner bottom of a main body box 2, respectively, which portions have engaging portions 22a, 32a with which the hooking portions 20d, 30d are engaged. Further, the upper and lower lock bars 13, 16 have upper and lower spring pins 23, 33 for biasing the upper and lower stoppers 20, 30, respectively, according to vertical motions.

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 door of a vending machine, and more particularly to a locking device provided with a large number of locking portions to improve security.

[0002]

2. Description of the Related Art The door of a vending machine must be securely locked in order to prevent damage such as destruction or theft.
An example of a conventionally proposed locking device for such a vending machine will be described below with reference to FIGS. That is, as shown in FIG.
Is a main body box 2 in which goods and other internal devices are stored.
And a front panel 3 provided on the front face of the main body box 2. The front panel 3 is provided to be openable and closable with hinges 4 and 5 attached near the left ends of the upper and lower parts of the main body box 2 as fulcrums.

[0005] A keyhole 10 is mounted near the right end of the front panel 3 at an intermediate portion in the height direction. As shown in FIG. 7, the keyhole section 10 is provided with a rotating section 11 which is rotatable or non-rotatable by inserting and operating a key. A rotating plate 12 is attached to the rotating unit 11.

An upper lock bar 1 is provided above the rotating plate 12.
The lower end of 3 is rotatably mounted. The upper lock bar 13 is supported to be slidable up and down by being inserted into a shaft hole of a bearing portion 14 fixed to the back surface of the front panel 3. An upper latch 15 having a lock hole 15a is fixed to an upper portion of the main body box 2. The upper end of the upper lock bar 13 is provided in the lock hole 15a so as to be able to be inserted and removed according to the vertical movement thereof.

On the other hand, an upper end of a lower lock bar 16 is rotatably attached to a lower portion of the rotating plate 12. The lower lock bar 16 is supported so as to be slidable up and down by being inserted into a shaft hole of a bearing 17 fixed to the back surface of the front panel 3. A lower latch 18 having a lock hole 18a is fixed to the bottom of the main body box 2. The lower end of the lower lock bar 16 is provided in the lock hole 18a so as to be able to be inserted and removed in accordance with the vertical movement thereof.

According to the above-described conventional vending machine locking device, when the front panel 3 is closed and a key is inserted into the keyhole portion 10 when the vending machine is closed, the rotary plate 12 and the rotary plate 12 are rotated. It rotates counterclockwise in FIG. Then, the upper lock bar 13 slides upward and the lower lock bar 16 slides downward.
Therefore, the upper end of the upper lock bar 13 is inserted into the lock hole 15a of the upper latch 15 and the lower end of the lower lock bar 16 is inserted into the lock hole 18a of the lower latch 18 to perform locking.

Next, at the time of opening, when a key is inserted into the keyhole 10 and operated, the rotary plate 12 and the rotary plate 12 are rotated clockwise in FIG. Then, the upper lock bar 13 slides downward and the lower lock bar 16 slides upward. Therefore, the upper end of the upper lock bar 13 is disengaged from the lock hole 15a of the upper latch 15, and the lower end of the lower lock bar 16 is disengaged from the lock hole 18a of the lower latch 18, and the lock is released. In this state,
When the right end of the front panel 3 is pulled forward, the front panel 3 opens with the hinges 4 and 5 as fulcrums.

[0008]

However, in recent years,
Frequent incidents of destroying vending machines and stealing charges and goods have occurred frequently, but even vending machines equipped with the above-mentioned locking device are prying open from the hinges 4 and 5 side, There was a possibility that the function of the locking device did not work effectively and the front panel 3 was opened. Further, the above-described locking device is provided by a gap between the main body box 2 and the front panel 3.
The upper lock bar 13 and the lower lock bar 16 may be broken by being deformed or cut, and the security is not sufficient.

The present invention has been proposed to solve the above-mentioned problems of the prior art.
An object of the present invention is to provide a locking device for a vending machine in which it is difficult to open a door by forcibly opening a door with respect to an opening / closing axis or breaking from a lateral gap and improving security.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a lock for locking a door provided to be openable and closable about a vertical axis with respect to a main body of a vending machine. The device has the following technical features.

That is, according to the first aspect of the present invention, the door is provided with a keyhole portion having a keyhole for inserting a key, and a stopper portion rotatable about a horizontal axis.
A link mechanism is provided between the keyhole portion and the stopper portion for rotating the stopper portion in response to an operation of a key inserted into the keyhole, and the main body portion includes a rotation mechanism for rotating the stopper portion. , A lock portion is provided for engaging and disengaging an end of the stopper portion. According to the first aspect of the present invention, when the door is closed, the end of the stopper portion is engaged with the lock portion by closing the door, so that the locking is performed. At the time of opening, by inserting and operating the key in the keyhole, the stopper portion rotates through the link mechanism, and the end portion comes off the lock portion. As described above, since the locking can be performed by the stopper portion that rotates about the horizontal axis, it is difficult to pry open the door with respect to the opening / closing axis or to open the door by breaking from the lateral gap between the main body and the door. And security is improved.

According to a second aspect of the present invention, in the vending machine locking device according to the first aspect, the stopper portion is provided near an upper end of the door and near an upper end of the door. Having a lower stopper portion,
The lock portion includes an upper lock portion corresponding to the upper stopper portion and a lower lock portion corresponding to the lower stopper portion. According to the second aspect of the present invention, since the door can be locked at the top and bottom of the door, it is more difficult to open the door due to destruction, and the security can be surely prevented.

According to a third aspect of the present invention, in the locking device for a vending machine according to the first or second aspect, the link mechanism includes a rotating part that rotates in response to a key operation, and a rotating part of the rotating part. A lock bar that can move up and down according to the movement of the lock bar; and a biasing member that biases the stopper portion according to the up and down movement of the lock bar. It is characterized in that a latch portion whose end is disengaged is provided. According to the third aspect of the present invention, when the door is closed, the end of the stopper is engaged with the lock by closing the door. Also,
By inserting and operating the key in the keyhole, the lock bar moves via the rotating part, and the end of the lock bar engages with the latch part.
At the time of opening, by inserting and operating the key in the keyhole,
The lock bar moves via the rotating portion, and its end comes off the latch portion, and the stopper urged by the urging portion rotates, and its end comes off the lock portion. As described above, by adopting different types of locking such as locking by the lock portion and locking by the lock bar, destruction from all directions can be dealt with, and security can be further improved.

According to a fourth aspect of the present invention, in the locking device for a vending machine according to any one of the first to third aspects, the lock bar is vertically disposed above the keyhole. An upper lock bar having a lower end connected to a rotating portion; a lower lock bar vertically disposed below the keyhole portion and having an upper end connected to the rotating portion; It has an upper latch in which the upper end of the bar is disengaged and a lower latch in which the lower end of the lower lock bar is disengaged. According to the above-described invention, the locking by the lock bar is performed vertically.
Locking can be ensured. Further, locking and opening of a number of locations can be easily performed only by operating the key.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (1) Configuration of the Embodiment An embodiment corresponding to the invention described in claims 1 to 4 is shown in FIG.
This will be described below with reference to FIGS. In addition, the same members as those in the above-described related art are denoted by the same reference numerals, and description thereof is omitted. That is, as shown in FIG. 1, an upper stopper portion 20 is provided at an upper portion on the inner surface side of the front panel 3. As shown in FIG. 2, the upper stopper portion 20 has a horizontal plane portion 20a, and vertical portions 20b and 20c in which the front left and right ends of the plane portion 20a are vertically bent. At the rear end of the flat portion 20a, a hook portion 20d folded in a key shape is provided. The upper stopper 20 is provided so as to be rotatable up and down around a horizontal shaft 21 that passes through the vertical portions 20b and 20c.

Further, as shown in FIG. 3, an upper lock portion 22 is provided on the ceiling of the main body box 2. The upper lock portion 22 is provided with an engagement portion 22a with which the hook portion 20d is disengaged according to the rotation of the upper stopper portion 20. The upper lock bar 13 is provided with an upper spring pin 23 that urges the flat portion 20a of the upper stopper portion 20 opposite to the hook portion 20d downward as it descends.

On the other hand, as shown in FIG. 1, a lower stopper 30 is provided at a lower portion on the inner surface side of the front panel 3. As shown in FIG. 4, the lower stopper portion 30 has a horizontal plane portion 30a, and vertical portions 30b and 30c in which front left and right ends of the plane portion 30a are vertically bent. At the rear end of the flat portion 30a, a hook portion 30d folded in a key shape is provided. Also,
The lower stopper portion 30 is provided with the respective vertical portions 30b, 3
It is provided so as to be rotatable up and down around a horizontal shaft 31 that penetrates through Oc.

Further, as shown in FIG. 5, a lower lock portion 32 is provided on the inner bottom of the main body box 2. The lower lock portion 32 is provided with an engagement portion 32a to which the hook portion 30d is disengaged according to the rotation of the lower stopper portion 30. The lower lock bar 16 is provided with a lower spring pin 33 that urges the flat portion 30a of the lower stopper portion 30 on the side of the hook portion 30d upward as it rises.

(2) Operation of the Embodiment The operation of the embodiment having the above configuration will be described separately for the case of closing and the case of opening. 2-1. At the time of closing At the time of closing, the upper end of the upper lock bar 13 is locked in the lock hole 15
a, and the lower end of the lower lock bar 16 is
8 is inserted into the lock hole 18a. At this time, the hook portion 20d of the upper stopper portion 20 engages with the engaging portion 22a of the upper lock portion 22 and the hook portion 3d of the lower stopper portion 30.
0d is engaged with the engaging portion 32a of the lower lock portion 32.
Therefore, locking in the two lock holes 15a and 18a and locking in the two engaging portions 22a and 32a are performed.

2-2. At the time of opening Next, at the time of opening, the upper end of the upper lock bar 13 is removed from the lock hole 15a of the upper latch 15 and the lower end of the lower lock bar 16 is removed from the lock hole 18a of the lower latch 18 by the same operation as the above-mentioned conventional technology. remove. At this time, since the upper lock bar 13 descends, the upper spring pin 23 urges the upper stopper portion 20 downward. Then, the upper stopper portion 20 rotates counterclockwise in FIG.
The hook portion 20d comes off the engaging portion 22a of the upper lock portion 22.

At the same time, since the lower lock bar 16 moves up, the lower spring pin 33 urges the lower stopper 30 upward. Then, the lower stopper portion 30 rotates counterclockwise in FIG. 5, and the hook portion 30d is disengaged from the engagement portion 32a of the lower lock portion 32. As described above, in a state where all the locks are released, when the right end of the front panel 3 is pulled forward, the front panel 3 is opened with the hinges 4 and 5 as fulcrums.

(3) Effects of the Embodiment According to the above-described embodiment, for example, even if an attempt is made to pry open from the hinges 4 and 5, the engaging portions 22a and 3 are used.
Since the hooks 20d and 30d are engaged with 2a, the locking works effectively and the front panel 3 cannot be opened.

Further, even when the upper lock bar 13 and the lower lock bar 16 are deformed or cut through the gap between the main body box 2 and the front panel 3, the internal engaging portions 22a, 3 are formed.
It is difficult to release the lock in 2a, and sufficient security is ensured.

In addition, locking and opening of a number of locations
Since the operation can be easily performed by operating the key, the opening and closing of the front panel 3 by the administrator of the vending machine does not require much trouble.

(4) Other Embodiments The present invention is not limited to the above embodiments, and the size, shape, number, arrangement, etc. of each member can be changed as appropriate. . For example, in the above embodiment, the upper stopper 20 and the upper lock 22, the lower stopper 30 and the lower lock 32 are disposed above and below the vending machine 1, respectively. Although the upper latch 15, the lower lock bar 16, and the lower latch 18 are provided, it is possible to reduce the number of members and save costs by omitting one of the upper and lower sides. .

[0026]

As described above, according to the present invention, there is provided a vending machine with improved security, which makes it difficult to pry open the door opening / closing shaft or open the door due to destruction from a lateral gap. A locking device can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a vending machine to which a locking device of the present invention is applied.

FIG. 2 is a perspective view showing a configuration of an upper stopper portion in the embodiment of FIG.

FIG. 3 is a side view showing a configuration of an upper stopper portion in the embodiment of FIG.

FIG. 4 is a perspective view showing a configuration of a lower stopper in the embodiment of FIG. 1;

FIG. 5 is a side view showing a configuration of a lower stopper portion in the embodiment of FIG. 1;

FIG. 6 is a perspective view showing an example of a vending machine to which a conventional locking device is applied.

FIG. 7 is a perspective view showing the locking device of FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Vending machine 2 ... Main body box 3 ... Front panel 4, 5 ... Hinge 10 ... Keyhole part 11 ... Rotating part 12 ... Rotating plate 13 ... Upper lock bar 14 ... Bearing part 15 ... Upper latch 15a, 18a ... Lock hole 16 ... lower lock bar 17 ... bearing part 18 ... lower latch 20 ... upper stopper part 20a, 30a ... plane part 20b, 20c, 30b, 30c ... vertical part 20d, 30d ... hook part 21, 31 ... shaft 22 ... upper lock part 22a .., 32a: engaging portion 23: upper spring pin 30: lower stopper portion 32: lower locking portion 32a: engaging portion 33: lower spring pin

Claims (4)

[Claims] 1. A locking device for locking a door provided to be openable and closable about a vertical axis with respect to a main body of a vending machine, wherein the door has a keyhole for key insertion operation. Department and
A stopper portion rotatable about a horizontal axis is provided, between the keyhole portion and the stopper portion, the stopper portion is rotated in accordance with an operation of a key inserted into the keyhole. A lock mechanism for a vending machine, wherein a link mechanism is provided, and a lock portion is provided on the main body portion, the lock portion being engaged and disengaged with the end of the stopper portion according to the rotation of the stopper portion. 2. The stopper section includes an upper stopper section provided near an upper end of the door, and a lower stopper section provided near a lower end of the door, and the lock section includes the upper stopper. The locking device for a vending machine according to claim 1, further comprising an upper lock portion corresponding to the lower portion and a lower lock portion corresponding to the lower stopper portion. 3. The link mechanism according to claim 1, wherein the link mechanism is configured to rotate in response to a key operation, a lock bar capable of moving up and down in accordance with the rotation of the rotating unit, and biasing the stopper in accordance with up and down movement of the lock bar. And a latching portion to which an end of the lock bar is engaged and disengaged according to the vertical movement of the lock bar. Item 3. A locking device for a vending machine according to Item 2. 4. The lock bar is vertically disposed on an upper portion of the keyhole portion, an upper lock bar having a lower end connected to a rotating portion, and vertically disposed on a lower portion of the keyhole portion,
An upper end has a lower lock bar connected to a rotating part, and the latch has an upper latch in which an upper end of the upper lock bar is disengaged, and a lower latch in which a lower end of the lower lock bar is disengaged. The vending machine locking device according to any one of claims 1 to 3, characterized in that: