JP3019588B2 - Outer door locking device for vending machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer door locking device for a vending machine in which an outer door is divided into an upper door and a lower door, and the outer door is mounted on the front of a main body cabinet.

[0002]

2. Description of the Related Art First, an external view of a vending machine to which the present invention is applied is shown in FIG. In the figure, 1 is a main body cabinet of a vending machine, 2 is a vertical opening type upper door provided at the upper part of the front of the cabinet 1, and 3 is a horizontal opening type lower door which is arranged below the upper door 2 and mounted on the front of the cabinet 1. The upper door 2 is provided with an illumination room in which product samples are arranged as a display door, a product selection button, and the like. The lower door 3 has a product outlet, a coin slot, a change outlet, and a coin mechanism on the back side. It has electrical components. In addition, a cylinder lock 4 of a lock device which is unlocked by a key operation is provided on the front surface of the upper door 2,
On the front surface of the lower door 3, there is provided an operating lever 5 of a lock device in combination with a cylinder lock which is unlocked by a key. As will be described later, the lock device of the upper door 2 moves between the upper door 2 and the lower door. The locking device of the lower door 3 locks between the lower door 3 and the cabinet 1.

Here, the structure of the lock device of the upper door 2 is operated by inserting a key into the cylinder lock 4 as already proposed by the same applicant as the present invention in Japanese Patent Application No. 4-14374. Thereby, the lock between the upper door 2 and the lower door 3 is released. On the other hand, the structure of the lock device for the lower door 3 is as shown in FIGS. 5 and 6. The cylinder lock 7 of the operation lever 5 is provided on the back side of the lower door 3, and the crank cam 8 is provided on the shaft of the operation lever 5. A vertically movable slider 11 connected via connecting plates 9 and 10 is incorporated, and is hooked on a front edge of the cabinet 1 so as to face a locking square hole 11a opened on the rear surface of the slider 11. Hook 12 is provided. With this configuration, when the door is locked, the hook 12 engages with the locking square hole 11a of the slider 11 as shown in FIG.
The operation lever 5 is locked at a locked position by a cylinder lock 7. To unlock the door from such a state,
First, the key 13 is inserted into the cylinder lock 7 to unlock it, and then when the operation lever 5 is turned, the slider 11 is raised and the hook 1
The engagement with 2 is released. Here, if the operation lever 5 is pulled toward the user, the door 3 can be freely opened.

When replenishing commodities to the merchandise storage shelves of the vending machine, the upper door 2 is unlocked while the lower door 3 is kept open, and the door is opened to the chain line position (the upper door 2 is closed). The door has a built-in drive spring or gas cylinder. When the lock is released by key operation, the door automatically pops up and opens), and supplies products to the product introduction top tray 6 lined up behind them. I do. Also, when performing maintenance such as inspection of the inside of a warehouse and collection of money in a coin box, first, the upper door 2 is unlocked with priority, and the upper door 2 is opened to allow a free space between the lower door 3 and the upper door 2. The opening order of the doors is defined so that the lower door 3 is unlocked and the door is opened after the separation.

[0005]

By the way, in the lock device for the outer door described above, the lock devices with locks individually provided on the upper door 2 and the lower door 3 can release the lock independently. ing. For this reason, there is no problem when the upper door 2 is opened alone while the lower door 3 is closed, such as when supplying goods, but when the lower door 3 is opened, the procedure of the door opening operation is mistakenly performed. If the lock of the lower door 3 is unlocked first and the door is opened toward the front without unlocking the lock of the door 2, the lock of the upper door 2 locking the space between the upper door 2 and the lower door 3. If an unreasonable external force is applied to the latch mechanism of the device and a large force is applied to open the lower door 3 forcibly, the lock device of the upper door 2 may be damaged.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to solve the above-mentioned problems, and to unlock a lower door without first opening an upper door in accordance with a specified opening order. It is an object of the present invention to provide a vending machine outer door lock device that has been provided with such erroneous operation prevention measures.

[0007]

In order to achieve the above-mentioned object, in the outer door lock of the present invention, the operating lever is locked to the lock position with the lower door locking device under the condition that the upper door is closed. An interlock mechanism is provided. Here, there are the following embodiments for the specific structure of the interlock mechanism.

(1) An interlock mechanism is provided above the actuator that moves up and down in conjunction with the operation of the lever, and that the tip penetrates the upper edge of the lower door and faces the lower edge of the upper door. And a spring that constantly pushes and urges the lock bar upward. (2) An actuator that moves the interlock mechanism up and down in conjunction with lever operation, and a lock rod connected to the actuator such that the tip penetrates the upper edge of the lower door and faces the lower edge of the upper door. Constitute.

[0009]

In the above construction, when the upper door is closed, the lock bar and the actuator of the interlock mechanism are restrained by the upper door, and the operation lever of the lower door is locked at the locked position.
Therefore, even if the lower door is unlocked and the operation lever is turned before opening the upper door, the lock device cannot be released because the operation lever is locked at the lock position. On the other hand, if the upper door is opened before the lower door, the interlock mechanism is automatically released and the lock of the operating lever of the lower door is released. In this state, the lower door is unlocked and the lever is unlocked. The lock device can be released by the operation. As a result, it is possible to reliably prevent the mechanism of the lock device of the upper door (which locks between the upper door and the lower door) from being erroneously damaged due to an operation error in the door opening procedure.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. In each embodiment, the same members corresponding to those in FIGS. 5 and 6 are denoted by the same reference numerals. Embodiment 1 In FIGS. 1 and 2, the lock device mounted on the lower door 3 is newly provided with an actuator 14, a lock rod 15, and a biasing spring 16 in addition to the mechanism described in FIGS. An interlock mechanism is additionally provided. Here, one end of the actuator 14 is connected to the operation lever 5 by the cam 8.
Is connected to the connecting plate 9 via a through hole, and is supported by a mounting base 17 so as to slide up and down in conjunction with the rotation of the operation lever 5. For this purpose, the actuator 14 is mounted on the mounting table 17 with a stepped screw 19 using a vertically long hole 18 opened on the plate surface of the actuator 14 as a guide. The lock bar 15 is disposed above the actuator 14 and is supported by a mounting base 17 so as to be vertically movable. 20. further,
The lock bar 15 is biased by a biasing spring 16 so as to be constantly pushed upward. Reference numeral 21 denotes a key-operated lock device provided on the upper door 2 side.
The upper door 2 and the lower door 3 are locked.

With such a configuration, when both the upper door 2 and the lower door 3 are closed, the lock rod 15 of the interlock mechanism is closed.
Upper end of the upper door 2 is pressed down against the biasing spring 16 against a stopper 20 provided at the lower edge of the upper door 2.
As a result, the actuator 14 is blocked by the lock bar 16 and cannot move upward. That is, in this state, the operation lever 5 is locked at the lock position. Therefore, the cylinder lock 7 of the lower door 3 is unlocked with the key 13,
Even if the user tries to unlock the door by turning the operation lever 5, since the operation lever 5 is locked at the lock position,
The lock on the lower door 3 cannot be released.

On the other hand, when the lock device 21 of the upper door 2 is first released and the upper door is opened upward, the lock bar 15 is released from the restraint by the upper door 2 and moves upward by the bias of the spring. The constraint between the rod 15 and the actuator 14 is released, and the interlock mechanism is released. Therefore, in this state, the cylinder lock 7 is unlocked, the lever 5 is operated, the door is unlocked, and the lower door 3 can be freely opened.

Embodiment 2 FIG. 3 shows an applied embodiment of Embodiment 1 described above. In this embodiment, a lock rod 15 of an interlock mechanism is directly welded to a plate surface of an actuator 14 by welding or the like. Fixed. With this configuration, when the upper door 2 and the lower door 3 are both closed, even if the operation lever 5 of the lower door 3 is turned to release the lock, the tip of the lock rod 15 fixed to the actuator 14 is The lock cannot be released because it abuts the stopper 20 provided at the lower edge of the lock. On the other hand, if the upper door 2 is opened first, the lock of the lock bar 15 is released, so that the lower door 3 can be unlocked by unlocking with a key and operating the lever 5 to open the lower door freely. .

[0014]

As described above, according to the outer door locking device of the present invention, the outer door of a vending machine in which the outer door is divided into upper and lower doors is divided into upper and lower doors in accordance with the designated order. Unless the upper door is opened first with priority, the lock on the lower door cannot be unlocked, which causes the upper door to be opened earlier than the upper door due to an incorrect operation of the door opening procedure. Troubles such as breakage of the lock device on the upper door side that locks between the lower door and the lower door can be reliably prevented.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a main part of an outer door lock device according to a first embodiment of the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a configuration diagram of a main part of an outer door lock layer corresponding to a second embodiment of the present invention.

FIG. 4 is an external view of a vending machine to which the present invention is applied, (a) is a front view, and (b) is a partial cross-sectional side view.

FIG. 5 is a configuration diagram of a conventional lower door locking device.

FIG. 6 is a plan view of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main cabinet of vending machine 2 Upper door 3 Lower door 4 Upper door cylinder lock 5 Lower door operation lever 7 Lower door cylinder lock 9 Connecting plate 14 Interlock mechanism actuator 15 Lock rod 16 Urging spring 21 Upper door Locking device

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 64-29463 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G07F 9/10

Claims (3)

(57) [Claims] 1. An external door locking device for a vending machine, wherein an outer door is divided into an upper door and a lower door and mounted on a front surface of a main body cabinet, wherein the upper door is unlocked by a key. To
The lower door has a lock device with a lever operated lock that unlocks with a key, and the upper door lock device locks between the upper door and the lower door, and the lower door lock device connects the lower door and the cabinet. An outer door of a vending machine, wherein an interlock mechanism for locking an operation lever to a lock position under a condition that an upper door is closed is provided with respect to a lock device of a lower door in a lock between the lower door. Locking device. 2. The outer door lock device according to claim 1, wherein
An actuator in which an interlock mechanism moves up and down in conjunction with a lever operation; a lock bar provided above the actuator such that a tip thereof penetrates an upper edge of the lower door and faces a lower edge of the upper door; An outer door locking device for a vending machine, comprising: a spring for constantly pushing a rod upward to urge the rod. 3. The outer door lock device according to claim 1, wherein
The interlock mechanism comprises an actuator that moves up and down in conjunction with a lever operation, and a lock rod connected to the actuator such that the tip penetrates the upper edge of the lower door and faces the lower edge of the upper door. Door lock device for vending machine.