JP2003161068A - Door lock device of vending machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door lock device of a vending machine capable of easily and efficiently carrying out work for locking a door body by a brief process. <P>SOLUTION: A holding device 37 is provided to a key angle 6 for locking the door body in a vertically movable manner, a cylinder lock 20 of an auxiliary locking mechanism 30 is rotationally operated in the forward and reverse directions to move a lock plate 32, and when the lock plate 32 makes moving operation, the holding device 37 is dropped to close an engaging hole 24, and when the key angle 6 is raised by an unlocking operation of the door body, the lock plate 32 is abutted on the key angle 6 by energizing force of a spring 34, and when the key angle 6 is lowered by a closing operation of the door body, the lock plate 32 is engaged with the engaging hole 24 by the energizing force of the spring 34 to control a rising operation of the key angle 6. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock device for a vending machine, which locks a door provided on a front surface of a main body of the vending machine.

[0002]

2. Description of the Related Art A vending machine is provided with a box-shaped main body having an open front surface, a door body for opening and closing the opening portion is attached to the front surface of the main body, and the door body can be disengaged by a lock mechanism. Locked in.

In recent years, in order to more reliably prevent theft and tampering of products for sale stored in the main body, the door body is double-locked by the main lock mechanism and the auxiliary lock mechanism. Is becoming.

FIG. 4 shows an automatic vending machine having such a double lock mechanism. The automatic vending machine includes a box-shaped main body 1 having an open front surface, and one side of the front surface of the main body 1. A door body 3 is rotatably attached to the edge via a hinge 2, and the door body 3 opens and closes an open portion of the front surface of the main body 1.

As shown in FIG. 6, the vending machine is provided with a main lock mechanism 4 for preventing the door body 3 from opening and an auxiliary lock mechanism 5 for restricting the operation of the main lock mechanism 4.

As shown in FIGS. 4 and 6, the main lock mechanism 4 is provided with a key angle 6 as a main lock member which is attached to the inside of the door body 3 so as to be vertically movable, and is opposed to the key angle 6. The main body 1 includes a pair of engagement bodies 7 provided at the opening edge portion and an operation handle 8 provided at the front surface of the door body 3.

The key angle 6 is a vertically elongated member having a U-shaped cross section, and openings 9 for engagement are formed in the upper and lower portions thereof. The operation handle 8 is provided with a cylinder lock 11 as a locking mechanism, and when the door body 3 is closed, as shown in FIG. 5A, the operation handle 8 is pushed into the recess 8 a and locked by the cylinder lock 11. And
When a key is inserted into the cylinder lock 11 to unlock the cylinder lock 11, the operation handle 8 projects forward of the door body 3 by the urging force of the spring as shown in FIG. 5B, and the operation handle 8 can be operated in this state. You can do it.

As shown in FIG. 6, the operating handle 8 has a crank member 12, and a receiving member 13 corresponding to the crank member 12 is provided at an intermediate portion of the key angle 6, and the receiving member 13 is cranked. The member 12 is engaged, and when the operation handle 8 is rotated in one direction and operated, the key angle 6 is pushed upward.

The engaging body 7 attached to the opening edge portion of the main body 1 is arranged corresponding to the opening portion 9 formed in the key angle 6, and the claw portions 1 extending upward respectively.
4 is integrated.

When the door body 3 is closed to the front surface of the main body 1, the claw portions 14 of each engaging body 7 project through the respective opening portions 9 of the key angle 6 to the inside of the key angle 6, and The edge of the upper side is located below the upper end of the claw portion 14, whereby the key angle 6 and the engaging body 7 are engaged with each other, and the door body 3 is locked to the main body 1 by this engagement. Become.

When the operation handle 8 is operated from this state, the key angle 6 is pushed upward, and the edge of the upper side of each opening 9 is located above the upper end of each claw portion 14, whereby the key angle is increased. 6 and the engagement body 7 are disengaged, so that in this state, the door body 3 can be opened by rotating the door body 3 toward the front side of the main body 1 about the hinge 2 as a fulcrum.

The operation handle 8 is operated to operate the key angle 6
When is raised, the key angle 6 is releasably locked by the holding mechanism 15 shown in FIG. 4 and held in its raised position.

Then, after the door body 3 is opened, the door body 3 is pushed again toward the front surface of the main body 1 to close them, and the claw portions 14 of the respective engaging bodies 7 are relatively arranged in the respective opening portions 9 of the key angle 6. When the door body 3 and the main body 1 are closed, the holding mechanism 15 releases the lock of the key angle 6 and the key angle 6 falls by its own weight.
The edge portion of the upper side is arranged inside each of the claw portions 14, and the key angle 6 and the engaging body 7 are engaged with each other, whereby the door body 3 is locked, and then the operation handle 8 is pushed into the concave portion 8a. Lock it.

FIG. 7 shows the structure of the auxiliary lock mechanism 5. The auxiliary lock mechanism 5 is provided with a cylinder lock 20 which can be operated by using the same keys as those used for the operation handle 8, and the cylinder lock 20 is provided. The lock 20 is provided on the front surface of the door body 3 at a position below the operation handle 8 as shown in FIG.

The cylinder lock 20 is provided with a tag 21 which is rotated by operating a key, and a pin 22 is attached to the tip of the tag 21. The pin 22 is a long hole of a lock plate 23 as an auxiliary lock member. It is inserted in 23a.

Lock plate 2 as an auxiliary lock member
Reference numeral 3 is supported so as to be movable in the left-right direction at right angles to the longitudinal direction of the key angle 6. An engaging hole 24 as an engaging portion is formed on the side surface of the key angle 6 so as to correspond to the lock plate 23.

The tag 21 is elastically biased clockwise by a spring 25 in the drawing. Then, as shown in FIG. 7A, under the locked state of the cylinder lock 20, the lock plate 23 is resisted against the urging force of the spring 25.
Moves to the right and its tip engages with the engagement hole 24 of the key angle 6, and the key angle 6 is locked by this engagement, and its upward movement is restricted.

Therefore, in this state, even if the cylinder lock 11 of the main lock mechanism 4 is illegally unlocked, the operation handle 8 is operated, and the key angle 6 is raised to open the door body 3, it is prevented. To be done.

When the door body 3 is opened in the normal procedure, first, the key is inserted into the cylinder lock 11 of the main lock mechanism 4 to unlock it, and the operation handle 8 is projected to the front of the door body 3.

Next, the key is removed from the cylinder lock 11, and this key is used as the cylinder lock 2 in the auxiliary lock mechanism 5.
0, and the cylinder lock 20 is operated with this key to rotate the tag 21 clockwise as shown in FIG. 7B. By this rotation, the lock plate 23 moves to the left and disengages from the engagement hole 24 of the key angle 6, whereby the lock on the key angle 6 is released. The release of this lock is held by the elastic force of the spring 25. Further, when the cylinder lock 20 is unlocked, the key inserted into the cylinder lock 20 cannot be removed.

After unlocking the key angle 6 by operating the auxiliary lock mechanism 5 in this manner, the operation handle 8 of the main lock mechanism 4 is operated to raise the key angle 6. By this operation, the key angle 6 is engaged with the holding mechanism 15 and held in the raised position, and the lock on the door body 3 is released. Therefore, in this state, the door body 3 can be freely opened.

On the other hand, when the door body 3 is locked, the door body 3 is first rotated to close the front surface of the main body 1. By this closing operation, the holding of the key angle 6 by the holding mechanism 15 is released, the key angle 6 falls by its own weight, and the edge portion of the opening 9 engages with the engaging body 7, whereby the door body 3 is main body. Locked to 1.

After this, the cylinder lock 2 of the auxiliary lock mechanism 5
By operating 0 through the key, the tag 21 is rotated counterclockwise against the spring 25 and locked. Due to this rotation, the lock plate 23 moves to the right and engages with the engagement hole 24 of the key angle 6, whereby the key angle 6 is locked and its raising operation is disabled.

When the cylinder lock 20 is rotated to the locked position, the key is removed from the cylinder lock 20.
By removing the key, the cylinder lock 20 is locked at the locking position, and the locked state of the key angle 6 is maintained.
After that, the operation handle 8 of the main lock mechanism 4 is pushed into the recess 8a and locked. This completes the closing lock operation for the door body 3.

[0025]

However, in such a conventional structure, when the door body 3 is unlocked, first the key is inserted into the cylinder lock 11 of the main lock mechanism 4 and the key is turned. The operation handle 8 to project, then the key is removed, the key is inserted into the cylinder lock 20 of the auxiliary lock mechanism 5, and the key is turned to disengage the lock plate 23 from the engagement hole 24 of the key angle 6, Thereafter, the operation handle 8 is operated to raise the key angle 6 to unlock the door body 3, and when the door body 3 is locked, the door body 3 is closed on the front surface of the main body 1. Drop the key angle 6, then turn the key inserted in the cylinder lock 20 of the auxiliary lock mechanism 5,
The lock plate 23 must be engaged with the engagement hole 24 of the key angle 6 and locked.

That is, both the main lock mechanism 4 and the auxiliary lock mechanism 5 must be operated both when the door body 3 is locked and when it is unlocked. Therefore, the procedure for opening and closing the door body 3 is complicated, the operation is troublesome, and the work efficiency is lowered.

The present invention has been made in view of such a point, and an object thereof is to provide a vending machine which can easily and efficiently achieve the work of locking the door body by a simple procedure. Is to provide a door lock device of.

[0028]

In order to achieve such an object, the present invention provides an automatic vending machine in which a door provided on the front surface of the main body of the automatic vending machine is detachably locked to the main body. In the door lock device, a main lock member that moves up by operating the operation handle to unlock the door body and moves down by closing operation of the door body to lock the door body, and a locking mechanism that locks the operation handle. A main lock mechanism having a key, an auxiliary lock member that moves forward and backward in response to a forward and reverse rotation operation using a key, and engages and disengages with the main lock member by the forward and backward movement, and the auxiliary provided on the main lock member. An auxiliary lock mechanism having an engaging portion for engaging and disengaging the lock member and a receiving member that is vertically movable with respect to the main lock member, and the auxiliary lock member of the auxiliary lock mechanism. In the advance operation state, it engages with the engaging portion of the main lock member to lock the main lock member, and at the time of this lock, the receiver is supported by the auxiliary lock member to prevent the descending operation, and the forward direction of the key. The auxiliary lock member retracts against the spring in response to the turning operation, whereby the lock of the main lock member is released, and the receiving member is moved downward to face the engaging portion of the main lock member. , The auxiliary lock member is advanced by the biasing force of the spring in response to the reverse rotation operation of the key, and the auxiliary lock member abuts on the receiving member during the advance operation to the engaging portion. Engagement is blocked, and in this state, the operation of the operation handle raises the main lock member to raise the receiver integrally with the main lock member. Is released from the auxiliary lock member, and with this release, the auxiliary lock member moves forward and abuts the main lock member, and the main lock member moves downward in accordance with the closing operation of the door body, and the engaging portion When the auxiliary lock member is disposed so as to face the auxiliary lock member, the auxiliary lock member advances and engages with the engaging portion so that the main lock member is locked.

In the invention of claim 2, the key for unlocking the locking mechanism of the operation handle in the main lock mechanism and the key for operating the auxiliary lock member of the auxiliary lock mechanism are the same common key. It is characterized by being.

[0030]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below. In this embodiment, only the auxiliary lock mechanism is different, and the main lock mechanism has the same structure as the conventional structure. Therefore, only the structure of the auxiliary lock mechanism is shown in FIGS. 1 to 3, and the other parts are shown in FIG. It will be described with reference to FIG.

As shown in FIGS. 1 to 3, the auxiliary lock mechanism 30 in this embodiment includes a key box 31 attached to the back surface of the door body 3, and the key box 3
A lock plate 32 as an auxiliary lock member is provided in the inside 1.

The lock plate 32 is slidably supported in the left-right direction in the figure via a guide shaft 33 installed in the key box 31, and is elastically rightward by a spring 34 wound around the guide shaft 33. Have been urged.

FIG. 2 (A) shows a state in which the door body 3 is locked. In this state, the tip of the lock plate 32 is projected from the key box 31 by the urging force of the spring 34 and the main lock is performed. It engages with the engagement hole 24 of the key angle 6 as a member, and this engagement prevents the key angle 6 from rising.

The key angle 6 is provided with a receiving member 37 adjacent to the engaging hole 24. This receiver 37 has a cross section L
One side surface 37a faces the back surface of the key angle 6, and a pair of vertically long guide holes 38 are formed on the side surface 37a. Then, a pair of pins 39 are attached to the back surface of the key angle 6, and these pins 39 are loosely inserted in the guide holes 38, whereby the receiving member 37 is supported so as to be vertically movable with respect to the key angle 6. There is. Then, in the state of FIG.
The lower end edge of the other side surface 37b of 7 is the lock plate 3
The receiving member 37 is received by contacting with 2.

A cylinder lock 20 is attached to the front surface of the door body 3, and the tip of the cylinder lock 20 is attached to the key box 3.
It is inserted in 1. A tag 21 that is rotated by operating the cylinder lock 20 is provided at the tip of the cylinder lock 20, and a pin 43 is attached to the side surface of the tip of the tag 21.

A tongue piece 45 is formed on the side surface of the lock plate 32 by cutting and raising, and in the state of FIG. 2A, the tongue piece 45 is attached to the pin 43 of the tag 21 by the urging force of the spring 34. It is in elastic contact.

The procedure for opening the door body 3 will be described. In the locked state of the door body 3 shown in FIG.
A key is inserted into the cylinder lock 20 of the auxiliary lock mechanism 30, and the cylinder lock 20 is once rotated with this key in the clockwise direction (forward direction) as shown in FIG.
As shown in (C), the cylinder lock 20 is returned counterclockwise (reverse direction) to the original locking position, and the key is removed.

When the cylinder lock 20 is turned clockwise, the tag 21 rotates clockwise together with the cylinder lock 20 as shown in FIG. 2B, and this rotation causes the pin 43 to rotate.
The lock plate 32 is pushed via the spring so as to be retracted leftward against the spring 34. By this backward movement, the tip of the lock plate 32 is disengaged from the engagement hole 24 of the key angle 6 and the receiving member 37.

When the lock plate 32 is separated from the receiving member 37, the receiving member 37 falls downward by its own weight, and the side surface 37b of the receiving member 37 faces the engaging hole 24 of the key angle 6. When the cylinder lock 20 is rotated counterclockwise and returned to the original position, the pin 43 of the tag 21 is partially in the middle.
The lock plate 32 moves forward rightward by the urging force of the spring 34 integrally with the lock plate 32.
(C) The leading edge of the lock plate 32 comes into contact with the side surface 37b of the receiving member 37 and stops. Therefore, even if the cylinder lock 20 is returned to the original position integrally with the tag 21, the lock plate 32 is prevented from entering the engagement hole 24 of the key angle 6 by the side surface 37b of the receiving member 37, and the lock plate 32 is attached to the key angle 6. The unlocked state is maintained.

After removing the key from the cylinder lock 20 of the auxiliary lock mechanism 30, the key is inserted into the cylinder lock 11 of the main lock mechanism 4 shown in FIG. 4, and the cylinder lock 11 is once rotated clockwise (forward direction) with this key. ), And then counterclockwise (reverse) to return to the original position,
Remove the key.

By this operation, the locking of the operation handle 8 is released, and the operation handle 8 projects to the front of the door body 3. The projecting operation handle 8 is gripped by a hand and rotated counterclockwise. Due to this rotation, the key angle 6 rises and is locked by the holding mechanism 15 and held in the raised position, whereby the opening 9 of the key angle 6 and the engaging body 7 of the main body 1 face each other and the door body is opened. The lock of 3 is released, and the lock can be released.

When the key angle 6 is lifted by the operation of the operation handle 8, the receiver 37 is also lifted integrally with the key angle 6 as shown in FIG. 3D, and this lift causes the receiver 37 to lock. The lock plate 32 moves to the right by the urging force of the spring 34 in accordance with this separation, and contacts the side surface of the key angle 6.

In this state, the door 3 is opened and a predetermined work is performed. When the work is completed and the door body 3 is closed again on the front surface of the main body 1, the holding mechanism 15 is released by the closing operation, and the key angle 6 falls downward by its own weight. The door body 3 is locked to the main body 1 via the key angle 6.

When the key angle 6 falls and moves downward, the receiving member 37 also moves downward integrally with the key angle 6. Then, as shown in FIG. 3 (E), during the movement of the key angle 6, the receiver 37 is locked by the lock plate 32.
The key angle 6 continues to move downward and stops at a position where the engagement hole 24 faces the lock plate 32 even after the stop.

Since the lock plate 32 and the engagement hole 24 face each other, the lock plate 32 moves to the right by the urging force of the spring 34, and the tip of the lock plate 32 enters the engagement hole 24 so that the key Angle 6 is locked.

This series of operations is automatically achieved in accordance with the operation of closing the door body 3 on the front surface of the main body 1. Further, when the key angle 6 is dropped downward, the operation handle 8 is rotated in the clockwise direction in conjunction with this and returns to the initial substantially vertical posture, so that the operation handle 8 is depressed.
Push into a. Cylinder lock 20 according to this push
Thus, the operation handle 8 is automatically locked. This completes the lock operation for the door body 3.

As described above, according to the door lock device of this embodiment, when the door body 3 is unlocked, the key is inserted into the cylinder lock 20 of the auxiliary lock mechanism 30 to correct the cylinder lock 20 once. Turn it in the opposite direction, then pull out the key and insert it into the cylinder lock 11 of the operating handle 8, and unlock the operating handle 8 with this key.
Can be operated by projecting it, and when locking the door body 3, the door body 3 is closed to the front surface of the main body 1, and the operation handle 8 is pushed into the recessed portion 8a and locked. The door body 3 can be locked without any operation on the door 30, and therefore the work of locking the door body 3 can be performed easily and efficiently by a simple procedure.

In the above embodiment, when the door body 3 is unlocked, the auxiliary lock mechanism 30 is operated by the key first, and then the key is inserted into the cylinder lock 11 of the operation handle 8 to operate. Although the handle 8 is projected, the reverse procedure, that is, the key is first inserted into the cylinder lock 11 of the operation handle 8 to project the operation handle 8, and then the key is inserted into the cylinder lock 20 of the auxiliary lock mechanism 30. Alternatively, the auxiliary lock mechanism 30 may be inserted to operate the auxiliary lock mechanism 30, and then the operation handle 8 may be operated to unlock the door 3.

[0049]

As described above, according to the present invention,
When locking the door body, simply close the door body to the front of the main body and lock the operation handle to lock the door body without any operation to the auxiliary lock mechanism. Work can be performed easily and efficiently with simple procedures.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a door lock device of an automatic vending machine according to an embodiment of the present invention.

FIG. 2 is an explanatory view sequentially showing a first half process of the operation of the door lock device.

FIG. 3 is an explanatory view sequentially showing a second half process of the operation of the door lock device.

FIG. 4 is a perspective view showing a conventional vending machine including a double lock mechanism.

FIG. 5 is an explanatory view for explaining a door unlocking procedure in the vending machine.

FIG. 6 is an exploded perspective view showing a main part of the vending machine.

FIG. 7 is a configuration diagram showing a configuration of an auxiliary lock mechanism of the vending machine.

[Explanation of symbols]

1 ... Main body 3 ... Door body 4 ... Main lock mechanism 6 ... Key angle (main lock member) 7 ... Engagement body 8 ... Operation handle 11 ... Cylinder lock (locking mechanism) 20 ... Cylinder lock 24 ... Engagement hole (engagement portion) 30 ... Auxiliary lock mechanism 32 ... Lock plate (auxiliary lock member) 33 ... Guide shaft 34 ... Spring 37 ... Receiving device

Claims (2)

[Claims] 1. A door lock device for a vending machine, which locks a door body provided on the front surface of the body of the vending machine so that the door body can be disengaged from the body. A main lock mechanism that has a main lock member that unlocks and locks the door body by lowering it by the closing operation of the door body, and a lock mechanism that locks the operation handle, and forward and reverse rotation operations using keys. In response to the main lock member, an auxiliary lock member that moves forward and backward in response to the main lock member is engaged and disengaged with the main lock member, an engaging portion for engaging and disengaging the auxiliary lock member provided on the main lock member. An auxiliary lock mechanism having a vertically movable receiving member, and the auxiliary lock member of the auxiliary lock mechanism engages with the engaging portion of the main lock member in the advance operation state. Locks the main lock member, and at the time of this lock, the receiving member is supported by the auxiliary lock member to prevent the lowering operation, and the auxiliary lock member resists the spring in response to the forward rotation operation of the key. By the backward movement, the lock of the main lock member is released, and the receiving member is moved downward to be arranged to face the engaging portion of the main lock member, and the auxiliary lock member is operated according to the reverse rotation operation of the key. Moves forward by the urging force of the spring, the auxiliary lock member abuts the receiving member during the forward movement, and the engagement with the engaging portion is blocked. When the main lock member moves up, the receiver is lifted up integrally with the main lock member and separated from the auxiliary lock member. When the engaging member moves forward and abuts against the main locking member, the main locking member descends according to the closing operation of the door body, and the engaging portion is arranged to face the auxiliary locking member, the auxiliary lock A door lock device for a vending machine, wherein a member moves forward to engage with the engaging portion to lock the main lock member. 2. The key for unlocking the locking mechanism of the operation handle in the main lock mechanism and the key for operating the auxiliary lock member of the auxiliary lock mechanism are the same common key. The door lock device of the vending machine according to 1.