JP2706477B2 - Door locking device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a door locking device for a vending machine.

2. Description of the Related Art In recent years, vending machines have been strongly appealing for a product image by taking up a large space for a product display section and minimizing vertical dimensions of selection buttons.

Hereinafter, an example of the above-described conventional door locking device of a vending machine will be described with reference to the drawings.

6 to 9 show a door locking device of a vending machine. Hereinafter, the configuration of this conventional example will be described with reference to FIGS. 6 to 9. FIG.

In the figure, reference numeral 1 denotes a main body of a vending machine, and a door 2 is provided on a front surface thereof. The door 2 is formed with a product display room 3, a coin slot 4, and a coin return slot 5. A product selection switch 6 is provided between the product display rooms 3, and a product outlet 7 is provided below. 8 is the body 1
And a handle provided on the opposite side of the door 2 that is vertically supported by the 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, on which a rotating plate 14 which is rotated by a key 13 is attached.
Reference numeral 15 denotes a locking piece that includes a locking stopper 16 that protrudes and retracts in the locking hole 10 of the handle 8 and a substantially L-shaped locking plate 17 that is connected to the locking stopper 16. The locking stopper 16 is attached through a guide piece 19 having a guide hole 18 attached to the back surface of the door 2. The locking plate 17 has a vertically long groove 20 and is slidable up and down by screws 21.
An engaging hole 17 ′ extending in a direction perpendicular to the moving direction of the engaging piece 15 is formed in the engaging plate 17, and an engaging pin 14 ′ protruding from the rotating plate 14 is inserted therein. Reference numeral 22 denotes a connecting plate A which is rotatably attached to the handle 8 by a pin at a lower portion thereof and by a connecting plate B23 at an upper portion thereof by a pin. One end of the connection plate B23 is pivotally supported by a holding pin 25 welded to a holding plate 24 fixed to the door 2 with screws. It has an elongated hole at the upper end and is connected to a connecting plate C27 via a connecting pin. The connecting plate C27 is a locking piece holding plate A29 attached with screws above and below a square hole 28 provided in the door 2.
And one end located between the locking piece holding plate B30 and the holding plate A
The other end is connected to the holding plate B30 by a pin.
Is rotatably mounted with a pin. Numeral 32 denotes a locking piece, which is a nail-shaped flat plate which is fixed by pins with two upper and lower plates, and
A pin is rotatably mounted between A29 and B30 by a pin, and is also rotatably connected to the connecting plate D31 by a pin. Reference numeral 33 denotes an engaging piece attached by a screw to the opposite side of the door 2 of the main body 1 with a screw, and a square hole 34 is provided in the center.

The operation of the door locking device configured as described above will be described. The state in which the door 2 is locked by closing the main body 1 is shown by a solid line in FIG. 7, but when the locking stopper 16 of the locking piece 15 is in the locking hole 10, the handle 8 is gripped. Since the door 2 cannot be opened, the door 2 cannot be opened. The locking piece 32 is inserted into the square hole 34 of the engagement piece 33 and does not open even when the door 2 is opened.

When the door 2 is opened, when the key 13 is inserted into the key portion 12 and turned, the rotating plate 14 is turned. This rotation causes the engagement pin 1
The locking plate 17 is moved downward by the engaging hole 17 ', and the locking stopper 16 is lowered by the locking hole 10 to come off from the hole. As a result, the handle 8 is
Jumps out of the front of the door 2. Next, when the user lifts the handle 8 upward, the locking piece 32 is moved to the left rear by the plurality of connecting plates A to D. As a result, the locking piece 32 moves from the square hole 34 of the engaging piece 33,
More off. Next, when the handle 8 is pulled forward (to the left in FIG. 2), the door 2 opens from the main body 1. Next door 2
In order to lock by closing the door 2, the handle 2 is pushed down after the door 2 is moved along the main body 1 (moves to the right in FIG. 2). Then, the locking piece 32 is prevented from moving rightward and forward and entering the square hole 34 of the engagement piece 33 to open the door 2.

However, in the above-described configuration, when the locking pieces 32 are locked by the plurality of connecting plates A to D, the gap between the door 2 and the main body 1 is made uniform in the vertical direction for locking at one place. It cannot be held, and the position of the square hole 34 of the engagement piece 33 must be shifted in the front-rear direction one by one in order to adjust the gap. Further, there is a problem that the door cannot be used when there is no space in the vertical direction of the door 2 and the handle 8 and the key portion 12 are provided in the horizontal direction.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has been made to eliminate the conventional drawbacks. A door locking device for reducing a space when a handle and a key portion are provided in a lateral direction of a door and for keeping a gap between the door and a body constant. Is provided.

Means for Solving the Problems In order to solve the above problems, a door locking device of the present invention is provided on a front surface of a vending machine main body, a door that is vertically supported on one side, and a key portion attached to this door. A pivot plate that is pivoted by a key inserted into the key portion, a handle extending in the width direction to an end of the door opposite to the pivot, and a handle formed at one end of the handle. A claw-shaped portion, a locking piece movably provided between a position for locking the handle in conjunction with the rotating plate and a position for releasing the locking, and a plurality of connecting plates for unlocking A locking piece connected to the claw-shaped portion through a plurality of holes, and a plurality of locking plates attached to the main body and engaged with the holes of the locking piece at the time of locking; The cross-sectional shape of the vertical front side of the shaft support side is a curved surface, and the horizontal cross-sectional shape of the handle is formed by bending into a substantially L-shape. The handle is mounted so as not to protrude from the door surface, and the handle is pivotally supported at a bent portion of the handle.

The present invention changes the force of moving the handle extending in the front-rear direction to the front and rear of the handle extending in the horizontal direction into the force of moving the locking piece extending in the vertical direction up and down via the connecting plate by the above-described configuration.
Can be used for doors with no space in the vertical direction,
Further, by engaging the locking pieces with the plurality of locking plates, the gap can be uniformly maintained.

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

1 to 5 show the structure of a door locking device according to an embodiment of the present invention.

The same components as those in the related art are denoted by the same reference numerals, and detailed description thereof is omitted.

In the figure, reference numeral 35 denotes a handle extending in the lateral direction provided on the opposite side of the door 36 which is vertically supported by the main body 1 by the hinge 9. The handle 35 has a locking groove 35a formed at the bottom (left side in FIG. 1), the right end (right side in FIG. 1) is pivotally supported by a door 36 with a shaft 37, and the rear head (upper side in FIG. 1) has a claw. The shape 35b is formed. Reference numeral 12 denotes a key, on which a rotating plate 38 which is rotated by the key 13 is attached. Reference numeral 39 denotes a locking piece, which is a locking stopper 39a and a locking stopper 39 which protrude and disappear from the locking groove 35a of the handle 35.
and a substantially U-shaped locking plate 39b fixed to a. The locking plate 39b forms a horizontally long groove 39c and is slidably attached to the left and right by screws 21.

An engagement hole 39d extending in a direction perpendicular to the direction of movement of the engagement piece 39 is formed in the engagement plate 39b, and an engagement pin 38a protruding from the rotary plate 38 is inserted. Reference numeral 40 denotes a connecting plate A, and a holding pin A42 inserted in a holding plate 41 fixed to the door 36 with a screw at the front.
In addition, the rear portion has a substantially U-shape attached by pins 44 so as to be movable by a connecting plate B43. The connecting plate B43
Is also supported by a holding pin B45 inserted into the holding plate 41. It has a long hole 43a at the lower end and is connected to a connecting plate C47 via a connecting pin 46. The connecting plate C47 is a flat plate movably attached by a pin 48b provided on a locking piece 48 extending in the vertical direction.

Reference numeral 49 denotes a spring, which projects forward of the door 36 (the state shown by the dashed line in FIG. 1) when the engagement between the locking groove 35a and the locking stopper 39a is released from the locking plate 39b. The locking piece 48 includes an L-shaped shaft support plate 48c having a vertically extending rod 48a and a pin 48b.
A vertically long hole 48d is formed in the vertical direction, and is attached to the door 36 so as to be slidable up and down by the screw 21.

Reference numeral 50 denotes a locking plate mounted on the opposite side of the door 36 of the main body 1 with a screw and having a substantially U-shaped groove 50a, and a plurality of locking plates are provided in the vertical direction. And the vertical hole 48 of the locking piece 48
When the groove 50a of the locking plate 50 is located in e, the door 36 does not move forward (forward in FIG. 1).

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

The state in which the door 36 is locked by closing the main body 1 is shown by a solid line in FIG. 4, but when the locking stopper 39a of the locking piece 39 is in the locking groove 35a of the handle 35, the handle 35 is not locked. The door 36 cannot be opened because it is inside the door 36 and the handle 35 cannot be grasped. Then, even if the groove 50a of the locking piece 50 is inserted into the vertically long hole 48e of the locking piece 48 to open the door 36, the door 36 does not open.

In the figure, when the door 36 is opened, when the key 13 is inserted into the key portion 12 and turned, the turning plate 38 turns. This rotation causes the engagement pin 38a to rotate, but the engagement plate 39 moves to the left (FIG. 1) by the engagement hole 39d, and the engagement stopper 39a moves to the left (from the engagement groove 35a) to the engagement groove 35a. (Fig. 1) to get out of the groove. As a result, the handle 35 is moved forward of the door 36 (first
Jump out to figure). Next, holding the handle 35 and pulling it forward (FIG. 1), a plurality of connecting plates A to C
The locking piece 48 (FIG. 4) is moved upward. As a result, the locking plate 50 moves from the vertically long hole 48e of the locking piece 48 and comes off from the locking piece 48. Next, pull the handle 35 toward you (Fig. 1).
The door 36 is opened from the main body 1 when pulled. Next door
When the door 36 is closed and locked, the door 36 is moved along the main body 1 and then the handle 35 is pressed. Then, the locking piece 48 moves downward (FIG. 4), and the groove 50a of the locking plate 50 is inserted into the vertically long hole 48e.
The door 36 is prevented from opening upon entry. Also, with the handle 35 pressed against, the key 13 is used to lock the locking piece 3 with the engaging pin 38a of the key portion 12.
When 9 is moved to the right (FIG. 1), the locking stopper 39a is also locked in the locking groove 35a of the handle 35. In this state, the key 13 may be removed from the key 12.

As described above, a plurality of locking plates 50 formed on the main body are connected to the handle 35 extending in the lateral direction that supports the end on the opposite side of the bearing and connected via the plurality of connecting plates A to D. By providing a vertically long hole 48e provided in the locking piece 48 extending in the vertical direction to engage with the locking piece 48, the force for moving the handle 35 in the front-rear direction is applied to the locking piece 48 in the vertical direction via the connecting plates A to D. By converting it into a moving force, the door 36 with no space in the vertical direction
The gap between the door and the main body can be uniformly maintained by engaging the locking piece 48 with a plurality of locking plates.

Effect of the Invention As described above, according to the present invention, the cross section of the front vertical side on the opposite side of the door is curved, and the horizontal cross section of the handle is formed to be substantially L-shaped, and the handle is mounted so as not to protrude from the door surface. ,
By rotatably supporting the handle at the bent part of the handle, the force to move the handle in the front-rear direction in the door with little space in the vertical direction is converted to the force to move the locking piece in the vertical direction via the connecting plate. By doing so, a small space design becomes possible.

By engaging the locking pieces with a plurality of locking plates, the gap between the door and the main body becomes uniform, making it difficult to steal.

 It is not necessary to adjust the gap between the door and the main body.

[Brief description of the drawings]

1 is a cross-sectional view of a main part of a door locking device according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of a main part, FIG. 3 is a perspective view of a main part, and FIG. FIG. 5, FIG. 5 is a front view, FIG. 6 is a front view of a vending machine showing one conventional example, and FIG.
8 is a perspective view of a main part of FIG. 6, and FIG. 9 is a cross-sectional view of a main part of FIG. 1 ... body, 12 ... key, 35 ... handle, 35a ... locking groove, 36 ... door, 38 ... rotating plate, 38a ... engagement pin, 39 ...
... locking piece, 39d ... engaging hole, 40 ... connecting plate A, 43 ... connecting plate B, 47 ... connecting plate C, 48 ... locking piece, 48e ... vertical hole, 50 ... locking Board.

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 59-146470 (JP, U) Japanese Utility Model Showa 64-35469 (JP, U)

Claims (1)

(57) [Claims] A door provided on a front surface of the vending machine main body, the door being vertically supported on one side, a key portion attached to the door, and a rotating plate rotated by a key inserted into the key portion. A handle that extends in the width direction and is attached to an end of the door opposite to the pivot, a claw-shaped portion formed at one end of the handle, and the handle in association with the rotating plate. A locking piece movably provided between a locking position and a locking releasing position, and a lock having a plurality of holes formed by being connected to the claw-shaped portion via a plurality of connecting plates during unlocking. A piece, a plurality of locking plates attached to the main body and engaged with holes of the locking piece at the time of locking, a cross-sectional shape of a vertical side on the front side opposite to the pivot of the door is a curved surface, and the handle is The horizontal cross-section of the handle is bent into a substantially L-shape and attached so as not to protrude from the door surface. Door locking device that pivotally supports the handle rotatably.