JPH07225870A - Door locking device for automatic vending machine - Google Patents

Abstract

PURPOSE:To provide a door locking device for an automatic vending machine to simplify the door locking/unlocking operations requiring so far the handle and key operations and also to omit a handle that needs a large space. CONSTITUTION:A lock 10 is provided with an arm 10b which is turned by a key operation. A case 1 is provided with a U-shaped holder metallic parts 4, a hooking metallic parts 5 which is rotatably supported at the door side and engaged/disengaged to the parts 4 at the outer circumferential side of the case 1, and a locking metallic parts 7 which holds the parts 5 and holds it in an engagement state with the part 4. The parts 7 is connected to the arm 10b by a transmission wire 9, and the parts 7 is also connected to the parts 7 by a coil spring 8 that applies the spring functions to both parts 7 and 5. When a door 2 is closed, the parts 5 is turned by the parts 4 and engages a hook 5b to be held in this engagement state by the parts 7. Then the closed door 2 is locked when a key is pulled out. When the door 2 is opened, the key is put into a keyhole 10a and turned. Thus the parts 7 is released via the wire 9 and the parts 5 turns by the energization of a spring. Thus the hook 5b is released from the parts 4. Then the door 2 can be opened just by a key operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention relates to vending machines,
The present invention relates to a door lock device that locks and locks a front door of a case in a closed state.

[0002]

2. Description of the Related Art A door lock device of this type is known as shown in FIG. In the figure, the vending machine is provided with a door 2 on the front surface of a case 1 having an open front surface, and the door 2 is fixed and locked by a door lock device 3.
The door lock device 3 has a hook 4a at the front end on the front surface of the case 1.
A hook-shaped receiving metal fitting 4 is provided on the upper and lower sides, and has a rectangular lock hole 5a into which the hook 4a is removably inserted, and is vertically slidably supported so as to be vertically slidable. 5 is provided inside the door 2, and a handle 6 for sliding the hanging metal 5 up and down is provided on the front surface of the door 2. Further, the handle 6 is provided with a lock 10 having a keyhole 10a and is provided with a key 11.

In the door lock device 3, the receiving metal fitting 4 is inserted into the lock hole 5a of the hanging metal fitting 5 as the door 2 is closed. When the handle 6 is rotated after closing the door 2, the hook 5 slides downward, and the hook 4a is locked to the upper edge of the lock hole 5a. Then, the door 2 is fixed in the closed state. Further, the key 11 inserted in the keyhole 10a is attached to the handle 6
When the key 2 is stored in the storage recess, the handle 6 is rotated to the locked position, and the key 6 is removed to lock the handle 6 and lock the door 2.

When the door 2 is opened, first, the handle 11 is unconstrained by the key 11, and the handle 6 is pulled out from the storage recess and rotated in the direction opposite to the closing direction to release the lock by the hook 4a. You can open the door 2.

[0005]

By the way, the conventional door lock device 3 has the complexity of requiring two steps of key operation and handle operation to lock and unlock the door 2, and also as a display part of a product. There is a drawback that a large space is required as an operation range for rotating the handle 6 with respect to the front surface of the door 2 that is to be effectively used.

It is an object of the present invention to provide a door lock device for a vending machine which can lock and unlock the door extremely easily and can contribute to effective use of the front surface of the door 2 without requiring a large space on the front surface of the door. And

[0007]

In order to achieve the above object, according to the present invention, the door is locked and unlocked by engaging and disengaging the door-side hanging fitting with the case-side receiving fitting. Also, in a door lock device of a vending machine in which the door is locked in a closed state by a lock having a key hole on the front surface of the door, the door lock device is supported rotatably and biased in the unlocking direction and is supported by the door and hooked on an outer peripheral portion. The hanging metal having
The receiving metal fitting that engages with the hook by rotating the hanging metal fitting as the hook engages with the hook in a disengageable manner and closes the door, and the hook and the hook are rotatably supported by the door. When engaging with the receiving metal fitting, a spring metal is used to lock the metal fitting to hold the metal fitting in the engaged state, and an arm provided on the lock and rotated by rotating a key has one end. A transmission wire with a flexible tube, which is connected and the other end of which is connected to the stopper, is provided.

[0008]

When the door is locked, the receiving metal fitting engages with the hook of the metal fitting by closing the door, and the metal fitting is restrained by the metal fitting to fix the door. Moreover, the lock is locked via the transmission wire, and at this time, if the key is removed from the key hole, the door is held in the locked state. When unlocking the door, insert the key into the key hole and rotate it to release the restraint of the hanging metal fitting through the transmission wire and rotate the hanging metal fitting to disengage the hook from the receiving metal fitting. The door can be opened. In this way, the door can be locked and unlocked only by operating the key, which simplifies the operation, and by using a handle for opening and closing the door, which does not require rotation, instead of the handle, the front surface of the door can be effectively used.

[0009]

1 to 4 show an embodiment of the present invention, and FIG. 5 shows common or identical parts with the same reference numerals. 1 to 4, the receiving metal fitting 4 provided in the case 1 is formed in a substantially U-shape with its central portion protruding forward and substantially horizontally. The hook 5 is rotatably supported by the door 2 via the support pin 51 and is formed in a substantially semi-circular shape.
On the outer periphery thereof, there are provided a hook 5b that is removably engaged with the receiving metal fitting 4, an abutting portion 5c with which the front end portion of the receiving metal fitting 4 abuts, and a locking end 5d with which the stopper 7 is locked.

The stopper 7 is rotatably supported by a support pin 71.
It has a stopper 7a which is supported by the door 2 via the and which is releasably engaged with the locking end 5d. In the door lock device 3 according to the present invention, the conventional handle (6 in the figure) is removed, and the lock 10 provided at an appropriate position on the front surface of the door 2 is provided with the arm 10b which rotates together with the operation shaft rotated by the key operation. To be Further, a door opening / closing handle 6A is provided at an appropriate position, which does not require rotation and requires a small mounting space. Reference numeral 8 denotes a coil spring, one end of which is connected to the stopper 7 and the other end of which is connected to the hook 5 to exert a spring action on both. Reference numeral 9 denotes a transmission wire in which a flexible tube 92 is covered on the outside of the wire body 91, like a brake wire used for a bicycle. By fixing both ends of the flexible tube 92, the movement amount of one end of the wire body 91 remains unchanged. It is transmitted to the end as a movement amount. The flexible tube 92 has a lock 10
One end is fixed to the door member 21 that is fixed to the door 2 near
The other end is fixed to the door member 22 near the stopper 7. The wire body 91 is the arm 1 provided on the lock 10.
One end is connected to the front end of 0b and the other end is connected to the end of the stopper 7.

In the above-described structure, when the door 2 is in the closed state, as shown in FIGS.
The stopper 7 is urged in the direction B by the coil spring 8 so that b is engaged with the receiving member 4 and the engagement is not released.
The stopper 7a comes into contact with the locking end 5d to prevent the hanging metal 5 from rotating in the direction of arrow A. Further, the lock 11 is in the locked state and the key 11 is pulled out.

On the other hand, when the door 2 is opened, the arm 11b is rotated by inserting the key 11 into the key hole 10a and rotating it in the unlocking direction. As shown in FIG. 4, the arm 1
The wire body 91 is pulled to the lock side by the rotation of 0b, and the arrow C
Direction, and the stopper 7 is rotated in the direction opposite to the arrow B. The stopper 7b is disengaged from the locking end 5d, and the hook 5
Is urged by the coil spring 8 to rotate in the direction of arrow A, and the hook 5b is disengaged from the bracket 4. Then the door 2 has the key 11
The key 10 and the receiving metal member 4 are released from the restraint and released only by the operation of.

When the door 2 is closed again, as the door 2 is closed, the front end of the receiving fitting 4 pushes the abutting portion 5c and the hanging fitting 5 is attached.
Is rotated in the opposite direction of arrow A. Due to this rotation, the hook 5b engages with the receiving metal fitting 4, and the stopper metal fitting 7 is biased by the spring 8 to rotate in the direction of the arrow B, and the stopper 7a engages with the locking end 5d, and the above-mentioned closed state. Becomes And wire body 9
The arm 10b pivots in the locking direction via 1 to bring the lock 10 into a lockable state, and the key 11 is removed to lock the door 2 in the closed state. In this way, when the door 2 is rotated and closed, the receiving metal fitting 4 engages with the hanging metal fitting 5 and is fixed in the closed state, and when the key 11 is removed as it is, it is locked in the closed state.

[0014]

According to the present invention, the door is locked and unlocked by engaging and disengaging the door-side hanging fitting with the case-side receiving fitting, and the door is provided with a lock having a keyhole on the front surface of the door. In a door lock device of a vending machine in which a door is locked in a closed state, the hanging metal fitting which is rotatably and biased in the unlocking direction and is supported by the door and has a hook on the outer periphery, and the hook are disengaged. The receiving metal fitting that engages with the hook by rotating the hanging metal fitting as much as possible and closing the door, and the engagement between the hook and the receiving metal rotatably supported by the door. At the time of engagement, one end is connected to the stopper metal fitting that holds the metal fitting in the engaged state by the spring bias and holds the metal fitting in the engaged state, and the other end is connected to the arm that is rotated by the rotation operation of the key. The frame connected to the fastener Since it is configured with a transmission wire with a sibble tube, the door can be locked by closing the door and removing the key as it is, and it can be opened by inserting the key and rotating it, and the operation of locking and unlocking Becomes extremely easy. Further, since the handle, which conventionally occupies a considerable space on the front surface of the door, is deleted and the door is opened and closed by the handle having a small mounting space, it is possible to contribute to the effective use of the front surface of the door.

[Brief description of drawings]

FIG. 1 is a front view of a door lock device showing a lock of the present invention in a door lock state.

FIG. 2 is an enlarged front view of the door locking device shown in FIG.

FIG. 3 is a front view of a lock of the door locking device shown in FIG.

FIG. 4 is a front view of the door locking device shown in FIG. 1 around the hanging metal fittings in an unlocked state.

FIG. 5 is a schematic perspective view of a vending machine including a conventional door lock device.

[Explanation of symbols]

 1 Case 2 Door 3 Door locking device 4 Receiving metal fitting 5 Hanging metal fitting 5b Hook 7 Stopping metal fitting 8 Coil spring 9 Transmission wire 10 Lock 11 Key

Claims (1)

[Claims] 1. A door is locked and unlocked by engaging and disengaging a door-side hanging fitting with a case-side receiving fitting,
Also, in a door lock device of a vending machine in which the door is locked in a closed state by a lock having a key hole on the front surface of the door, the door lock device is supported rotatably and biased in the unlocking direction and is supported by the door and hooked on an outer peripheral portion. And the receiving metal fitting that engages with the hook by rotating the hanging metal fitting as the hook is detachably engaged with the hook and the door is closed. When the hook is supported by the hook and the receiving metal fitting is engaged with the metal fitting by spring urging, and the metal fitting is held in the engaged state, the lock provided on the lock is operated by rotating the key. A door locking device for a vending machine, comprising: a transmission wire with a flexible tube, one end of which is connected to a rotating arm and the other end of which is connected to the stopper.