JPH0410095A - Door lock device for vending machine - Google Patents

Abstract

PURPOSE:To turn a door to a locked state without fail even when forgetting a lock operation by the lock device of an inner door by providing first and second inner door lock parts. CONSTITUTION:The lock device is equipped with a lock member 11 having a lock piece 14 on any one of an outer door 2 and an inner door 8, and a lock part to be engaged with the lock piece 14 on the other door. The lock part is composed of first and second lock parts 12 and 13. The first lock part 12 turns the inner door 8 to the locked state while being engaged with the lock piece 14 in the state of closing the inner door 8 by the outer door 2, and the second lock part 13 turns the inner door 8 to the locked state to the outer door 2 while abutting the inner door 8 on the front face part in the inside of a main body 1 and engaging it with the lock piece 14 by closing the outer door 2. Thus, even when the engaged state is not complete or the lock operation is forgotten, the lock piece 14 is engaged with the second lock part 13 and the inner door 8 is locked to the outer door 2 since the inner door 8 is abutted on the front face part in the main body 1 and pushed to the side of the outer door 2 by closing the outer door 2. Therefore, safety is improved.

Description

[Detailed description of the invention] (b) Industrial application field The present invention relates to a door lock device for a vending machine.

(B) Conventional technology Conventionally, an outer door is provided on the front surface of the main body, and an inner door that can be opened and closed is hinged on the back side of the outer door, and the inner door is closed to the outer door. In vending machines that are equipped with a locking device so that when the outer door is closed to the main body, the inner door is interposed between the front part of the main body and the outer door, the locking device is unlocked after opening the outer door. By operating it, the back side of the outer door can be opened and closed.
3-130880.

(c) Problems to be Solved by the Invention In this type of vending machine, when the outer door is closed to the main body, the inner door is locked and closed to the outer door by a locking device prior to this closing operation.

However, if the outer door is closed without being locked by this locking device, as shown in FIG. There is a problem that the outer door 2 cannot be opened because it becomes stuck in a certain part.

In addition, since the locking device is generally set so that the inner door is closed to the extent that there is no gap between the inner door and the outer door, there are cases where the inner door is closed with an incomplete lock, and in this case, There is a problem in that after the outer door is closed to the main body, the lock is released and the outer door cannot be opened as described above.

In view of the above, the present invention allows the locking device to be reliably locked even if the user forgets to perform the locking operation, and also prevents the locking device from failing when the locking device is closed to the extent that no gap is created between the outer door and the inner door. To provide a door locking device for a vending machine that prevents the lock from being released even in a completely locked state.

(d) Means for Solving the Problems The present invention provides an outer door that is hinged to the front surface of the main body so that it can be opened and closed, and an inner door that can be opened and closed is hinged to the back side of the outer door. In the vending machine, the outer door is provided with a locking device for closing, so that when the outer door is closed to the main body, the inner door is interposed between the front part of the main body and the outer door, the locking device: A locking member having a locking piece is provided on one of the outer door and the inner door, and the other is provided with a locking part that can engage with the locking piece, and the locking part closes the inner door to the outer door. When the outer door is closed, the first lock part engages with the locking piece and enters the locked state, and when the outer door is closed, the inner door comes into contact with the front part inside the main body and engages with the locking piece. A second lock part is provided for locking the door to the outer door.

(e) Effect The present invention having such a structure opens the inner door from the back side of the outer door by operating the locking device to unlock the locking piece of the locking member and the lock portion after opening the outer door. be able to. When closing the outer door, the inner door is closed to such an extent that no gap is created between the outer door and the locking piece is engaged with the first locking portion to be in a locked state. On the other hand, if the locking piece is not fully engaged with the first locking part and the locking piece is disengaged from the first locking part, or even if you forget to perform the locking operation, the When the door is closed, the inner door comes into contact with the front part inside the main body and is pressed toward the outer door, so the locking piece engages with the second lock part and the inner door is locked to the outer door. .

(f) Embodiment Figures 1 to 4 show embodiments of the present invention, in which 1 cools or warms stored products, and an outer door 2 is attached to the front so that it can be opened and closed by a hinge member 3. This is the vending machine itself.

The outer door 2 has a product display room 5 whose front surface is covered with a transparent panel 4.
A product selection button 6, a product take-out lower door, etc. are provided. Also,
An inner door 8 is provided on the back surface of the outer door 2 so as to be openable and closable.

The inner door 8 is an insulating door that is hinged at one end to the hinge side on the back surface of the outer door 2 by a hinge member 9 and is openable and closable, and the front surface of the main body 1 is closed when the outer door 2 is closed. The interior of the main body 1 is isolated from the outside air to prevent cold or warm air from flowing out from the inside of the main body 1, and the product display room 5 can be opened and closed from the back side, and coins and coins (not shown) can be stored inside the main body 1. It is now possible to perform maintenance on banknote sorting and counting devices, etc.

10 includes a locking member 11 movably provided on the side surface 8A on the opening/closing side of the inner door 8, and a first locking portion 12 and a second locking portion 13 provided on the rear side surface 2A on the opening/closing side of the outer door 2. The inner door 8 can be locked to the outer door 2 by locking the locking piece 14 of the locking member 11 to the first locking part 12 or the second locking part 13. It looks like this. Note that the lock device 10 may have the lock member 1 provided on the outer door 2 side, and the first lock portion 12 and the second lock portion 13 provided on the inner door 8 side.

The locking member 11 has a rear portion movably fixed to the side surface 8A by a stepped bolt 15, and a front portion movable in the left and right directions, and the head of the stepped bolt 15 and the locking member 1
1, a spring member 16 supported by a stepped bolt 15 is provided. This spring member 16 is connected to the lock member 1
1 in the direction of pressure contact with the side surface 8A of the inner door 8, and when the locking piece 14 of the lock member 11 engages and locks the lock portion 12.13, this locked state It acts to hold.

On the other hand, the first lock part 12 and the second lock part 13 are opened so that the first lock part 12 is located on the front side of the second lock part 13, and the first lock part 12 is located on the front side of the second lock part 13. When the locking piece 14 of the locking member 11 is inserted into the locking member 12 and locked, the inner door 8 is in a locked state closed to the extent that no gap is created on the back surface of the outer door 2. Lock part 13
is configured such that when the outer door 2 is closed to the main body 1, the locking piece 14 of the locking member 11 is inserted and engaged to be in the locked state.

That is, the first lock part 12 and the second lock part 13 are arranged in front and behind each other, and the first lock part 12 and the second lock part 1
3 and on the rear side of the second locking part 13, guide surfaces 17 and 18 are provided which are inclined toward the rear, and when the inner door 8 is closed toward the outer door 2, the locking member 1
The locking piece 14 of the second lock part 13 contacts and is guided by the guide surface 17 provided at the rear of the second locking part 13, and the locking member 1 moves against the elasticity of the spring member 16, and the locking piece 14 When the door reaches the second lock part 13, the locking piece 14 engages with the second lock part 13 due to the elasticity of the wooden member 16 and becomes locked, and further closes the inner door 8. , the locking piece 14 comes into contact with a guide surface 18 provided at the rear of the first locking part 12 and is guided away from the second locking part 13 , and the locking piece 14 is guided away from the second locking part 13 .
When reaching the position, the locking piece 14 engages with the first locking portion 12 and enters the locked state.

Further, when the outer door 2 is closed without engaging and locking the locking piece 14 with either the first locking part 12 or the second locking part 13, the back surface of the inner door 8 is connected to the front surface IA inside the main body 1. The locking piece 14 of the locking member 11 contacts and is guided by the guide surface 17, and first engages with the second locking portion 13 to enter the locked state. Further, the locking piece 14 is guided in contact with the guide surface 18 to be detached from the second locking part 13 and positioned on the first locking part 12 side.

Therefore, when the outer door 2 is closed without engaging and locking the locking piece 14 of the locking member 11 with the first locking part 12 or the second locking part 13, and when the locking piece 14 and the first locking part 12 Even if the locking state with the locking piece 1 is incomplete, the locking piece 1
4 can be located between the second lock part 13 and the first lock part 12, so when the outer door 2 is opened, the locking piece 14 is not engaged with the second lock part 13. can be combined to form a locked state.

When opening the inner door 8, after opening the outer door 2, operate the operation part 19 of the lock member 11 to move the lock member 11 against the elasticity of the spring member 16, and move the lock member 11 to the first lock part. 1
The door can be opened by removing the locking piece 14 from 2.

(G) Effects of the Invention In view of the above, the present invention allows the locking device to be reliably locked even if the user forgets to operate the lock, and to close the outer door and the inner door to the extent that no gap is created between them. Even if the operated locking device is in an incompletely locked state, the lock will not be released when the outer door is opened, and the outer door can be opened reliably.

[Brief explanation of the drawing]

1 to 4 show embodiments of the present invention,
FIG. 1 is a cross-sectional plan view of the main parts, FIG. 2 is a perspective view of the locking device, FIG. 3 is a perspective view of the vending machine, FIG. 4 is an explanatory diagram of the operation, and FIG. 5 is a conventional example. 1...Main body, IA...Front part, 2...Outer door, 8...
- Inner door, 10... Lock device, 11... Lock member, 12... First lock part, 13... Second lock part, 14... Locking piece.

Claims (1)

[Claims] 1. An outer door hinged to the front surface of the main body so that it can be opened and closed, an inner door that can be opened and closed hinged to the back side of the outer door, and a locking device for closing the inner door to the outer door, In a vending machine in which the inner door is interposed between the front part of the main body and the outer door when the outer door is closed to the main body, the locking device is engaged with either the outer door or the inner door. A lock member is provided with a stop piece, and the other side is provided with a lock part that can engage with the stop piece, and the lock part engages with the stop piece when the inner door is closed to the outer door to lock the lock member. a first locking portion that is in the lock state, and a second locking portion that locks the inner door to the outer door by closing the outer door so that the inner door comes into contact with the front surface inside the main body and engages with the locking piece. A door lock device for a vending machine, characterized in that a lock part is provided.