JP2558724B2 - Door locking device for vending machines - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door locking device for a vending machine or the like.

2. Description of the Related Art FIGS. 3 to 5 show a door locking device of a vending machine. The configuration of this conventional example will be described below with reference to FIGS. 3 to 5.

In the figure, 1 is a main body of a vending machine, and a door 2 is provided on the front surface thereof. On the door 2, a product exhibition room 3 is provided on the left side in three steps, and a coin slot 4 and a coin return slot 5 are formed in the center. A product selection switch 6 is provided between the product exhibition rooms 3, and two product outlets 7 are provided on the left and right. Reference numeral 8 denotes a handle provided on the opposite side of the door 2 which is vertically supported by the main body 1 by a hinge 9. The handle 8 has a locking hole 10 formed at the bottom, and the upper end is pivotally supported on the door 2 by a shaft 11. Reference numeral 12 denotes a key portion, to which a rotating plate 14 that is rotated by the key 13 is attached. Reference numeral 15 is a locking piece, which is a locking stopper 16 that appears in and out of the locking hole 10 of the handle 8.
And a substantially L-shaped locking plate 17 connected to the locking stopper 16. The locking stopper 16 is attached by penetrating a guide piece 19 having a guide hole 18 attached to the back surface of the door 2. Further, the locking piece 17 has a vertically elongated groove 20 and is attached by a screw 21 so as to be slidable up and down. Also, the locking plate
The engaging hole 1 extends in a direction perpendicular to the moving direction of the locking piece 15
An engaging pin 14 ', which is formed with 7'and protrudes from the rotary plate 14, is inserted. Reference numeral 22 is an engaging piece attached to the opposite side of the door 2 of the main body 1 with a screw 21 and is formed in a substantially L shape. 23 is a locking piece, which is a rod 24 extending in the vertical direction and this rod.
It comprises a locking plate 26 with an inverted U-shaped groove 25 attached to 24. The door 2 does not move forward (leftward in FIG. 4) when the engaging piece 22 is positioned in the groove 25 of the locking plate 26. Then, a vertically long hole 27 is formed in the rod 24 so that the door 2
It is attached to the screw so that it can slide up and down.

28 is a connecting rod, which is composed of a first connecting rod 29 and a second connecting rod 30. One ends of the first connecting rod 29 and the second connecting rod 30 are pivotally supported, and the other end of the first connecting rod 29 is rotatably attached to the rod 24.

The other end of the second connecting rod 30 is rotatably attached to the handle 8.

Further, the first connecting rod 29 is rotatably attached to the door 2 by a shaft 31. When the handle 8 is disengaged from the locking hole 10 and the locking stopper 16, 32 is the front of the door 2 (see FIG. 4).
It is a spring that is projected to the state of the dashed line).

The operation of the door locking device configured as described above will be described below.

The state in which the door 2 covers and locks the main body 1 is shown by the solid line in FIG. 2, but the locking stopper 16 of the locking piece 15 has a locking hole.
When it is within 10, you cannot open the door 2 because you cannot hold the handle 8. And the engaging piece
The groove 25 of the locking piece 23 is inserted into the door 22 so that the door 2 cannot be opened even if the door 2 is opened.

When the door 2 is opened, when the key 13 is inserted into the key portion 12 and rotated, the rotary plate 14 rotates. This rotation causes the engagement pin
Although 14 'rotates, the engaging plate 17 moves downward by the engaging hole 17', and the engaging stopper 16 descends from the engaging hole 10 and comes off from the hole. As a result, the handle 32 is moved by the spring 32.
Jumps out in front of the door 2. Next, holding the handle 8 and lifting it upward, the locking plate 23 is locked by the connecting plate 28.
Is moved upwards. As a result, the groove 25 of the locking piece 23 moves from the engagement piece 22 and is disengaged from the engagement piece 22. Next, when the handle 8 is pulled to the front (left side in FIG. 4), the door 2 is opened from the main body 1.

Next, when the door 2 is to be locked and locked, after the door 2 is placed along the main body 1, the handle 8 is pushed down (moved to the right side in FIG. 4). Then, the locking piece 23 moves downward, and the groove 25 of the locking piece 23 enters the engaging piece 22 to prevent the door 2 from opening. Then, push in the handle 8 to release the locking hole 10.
And the locking stopper 16 of the locking piece 15 are located on the same line (door 2
When the surface of the handle 8 and the surface of the handle 8 are flush with each other), the key 13 is rotated in the opposite direction to move the rotating plate 14. By this movement of the rotating plate 14, the engaging pin 14
The locking piece 15 is moved upwards through the above to cause the locking stopper 16 to project into the locking hole 10. Key 13 in this state
Should be removed from the key portion 12.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the above-mentioned configuration, when the handle 8 is broken, a part of the handle 8 is put on the locking stopper 16 and the handle 8 is broken.
Since the spring 32 moves forward by the spring 32, when the handle 8 is lifted, it can be moved in the direction of releasing the engagement between the engaging piece 22 and the groove 25 of the locking piece 23, and the products in the main body 1 and the coin box You can pick up coins for free. Further, when the handle 8 is locked, if the handle 8 is pushed down, there is a problem that fingers may be caught or a hand may be caught, resulting in injury.

In view of the above problems, the present invention eliminates the conventional defects, and the door does not open even if the handle is broken. Further, the present invention provides a locking device that is easy and safe to operate the handle.

Means for Solving the Problems In order to solve the above-mentioned problems, the locking device of the present invention is a handle and a rotating type, and is vertically movable type, and the handle is fixed by a locking piece via a fixing plate, The locking hole for locking the locking piece is formed on the same vertical line as the shaft supporting portion of the locking piece.

Effect of the Invention With the above-described structure, the door locking device of the present invention has the lock hole and the shaft support portion of the lock piece in the same vertical direction so that the key portion is not subjected to force even if the handle is broken from the outside by banging or the like. It is located on the line and will improve the anti-theft property.

Embodiment A door locking device according to an embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show the structure of a door locking device of a vending machine according to an embodiment of the present invention.

The same components as those of the conventional example are designated by the same reference numerals, and detailed description thereof will be omitted.

In the figure, 33 is a locking piece, the lower end of which is supported by the door 2 by a support pin 34, which rotates about the support 34 as a fulcrum and engages with an upper end of an engaging claw 33 '.
Have. Further, one end is connected with a connecting plate 35 by an engaging pin 37, is attached to an engaging plate 36 attached to the door 2 with a screw, and moves in the vertical direction. The rotating plate is engaged with the engaging pin 14 ′ protruding from the moving plate 14.
The stopper mechanism 42 is configured to move according to the rotation of 14.

The handle 38 is fixed by a screw or the like to a fixing plate 40 fixed to a vertically extending strip-shaped rod 41 having a plurality of locking plates 39. The fixing plate 40 is formed in an L-shape and is used for attaching the handle 38,
The locking mechanism 43 has a locking hole 40 'for locking the locking piece 33, and the locking hole 40' and the locking piece 33 stop on the same vertical line B as the support pin 34.

The operation of the door locking device configured as described above will be described below.

The state in which the door 2 is locked on the main body 1 is shown in FIG. When the door 2 is closed to the main body 1 side and the handle 38 is lowered downward,
41 is lowered, a plurality of locking plates 39 provided on the rod 41 are lowered,
The door 2 of the main body 1 is engaged with an engaging piece 42 provided with a U-shaped groove 42 ′ attached to the spindle support side of the door 21 by a screw 21 to lock the door 2 and the key 13 to the key portion 12. When it is inserted and rotated, the rotating plate 14 rotates, and the engaging pin 14 'protruding from the rotating plate 14 marks the arc and comes to the position of the upper fulcrum A. The connecting plate 35 engaged with the engaging pin 14 'slides on the engaging surface 36' by the stepped screw attached to the engaging surface 36 'of the engaging plate 36, moves upward, and is supported by the support pin 34. The locking piece 33, which has an arc of the support pin 34 as a fulcrum, penetrates the engaging hole 40 'of the fixing plate 40,
38 fixes the upward movement and enters the locked state, and the reverse operation causes the unlocked state.

EFFECTS OF THE INVENTION As described above, according to the present invention, the engaging piece has a circular arc with the lower end as a fulcrum, and the protruding engaging pin of the rotating plate attached to the key portion,
It is connected so that the engagement between the fixing plate and the engagement piece cannot be released even if the handle is operated except when the locking piece is not in the unlocked position.

Further, even if the position of the support pin of the engaging piece and the position of the engaging hole of the fixed plate are provided on the same vertical line and the handle is forcibly raised, no force is applied to the key part via the connecting plate and the rotating plate. Therefore, since the key part is not destroyed, the anti-theft property is improved.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of a door locking device of a vending machine according to an embodiment of the present invention in a locked state, FIG. 2 is a sectional view of a main part of FIG. 1, and FIG. 3 is a conventional vending machine. FIG. 4 is a perspective view, FIG. 4 is a vertical cross-sectional view of the door locking device of FIG. 3, and FIG. 5 is a perspective view of essential parts of FIG. 2 ... Door, 13 ... Key, 14 ... Rotating plate, 14 '... Locking pin, 33 ... Locking piece, 34 ... Support pin, 35 ... Connecting plate, 36
...... Engagement plate, 37 ...... Engagement pin, 38 ...... Handle, 39 ...... Locking plate, 40 ...... Fixing plate, 40 '...... Engagement hole, 41 ...... Rod, 42 ......
Engagement piece.

Claims (1)

(57) [Claims] 1. A door provided on the front surface of the main body, which pivotally supports one side up and down, a pivot plate attached to the opposite pivot side of the door and pivotable by a key, and a center of the pivot plate. A locking pin attached to the position, a connecting plate having a long hole that engages with the locking pin that converts the rotational movement of the locking pin in the vertical direction, and a connecting plate that is connected to this connecting plate and axially supports one end A locking piece having an engaging claw at the end, and a lever having a locking hole through which the engaging claw protrudes and provided with a handle for sliding in the vertical direction when the engaging claw does not project into the locking hole. , A locking plate extending from the main body that engages with the rod, and the locking hole for locking the locking piece is formed on the same vertical line as the shaft supporting portion of the locking piece. Locking device.