JP2713428B2 - 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 has a product exhibition room 3,
A coin slot and a coin return port 5 are formed. Also,
A product selection switch 6 is provided between the product display rooms 3, and a product outlet 7 is provided below. Reference numeral 8 denotes a handle provided on the opposite side of the door 2 that is vertically supported by the hinge 1 on the main body 1. 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 retaining plate A2 for a locking piece attached with screws above and below a square hole 28 provided in the door 2.
9 and one end of the locking piece B
A29 and the holding plate B30 are supported by pins with a pin, and the other end is a connecting plate D3.
It is rotatably attached to 1 by a pin. Reference numeral 32 denotes a locking piece which is used to fix a claw-shaped flat plate with two upper and lower plates with pins and is rotatably mounted between the holding plates A29 and B30 with pins, and is also rotated with pins with the connecting plate D31. They are freely connected. 33
Is an engagement 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 where the door 2 is locked with the main body 1 covered is the seventh state.
As shown by the solid line in the figure, the locking stopper of the locking piece 15
When the door 16 is in the lock hole 10, the handle 8 cannot be gripped, and 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 from the locking hole 10 to be removed 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 configuration, the locking stopper
16 or when the handle 8 is deformed and cut off and protrudes from the door 2 of the main body 1 like the handle 8 ′, the engagement pin 14 ′ of the key portion 12 and the connection plate A are independent of the position of the locking plate 17. D moves, the locking piece 32 is disengaged from the engaging piece 33, and the door 2 is opened from the main body 1 to be stolen. Further, 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, it cannot be used. In addition, when the locking piece 32 is locked, the gap between the door 2 and the main body 1 cannot be uniformly held in the vertical direction because of locking at one place.
There is a disadvantage that the position of the square hole 34 of the engagement piece 33 must be adjusted in the front-rear direction.

The present invention has been made in view of the above problems, and in order to prevent a locking piece from moving even when a locking stopper or a handle is deformed or cut, a handle and a key portion are provided in a lateral direction of a door, and a space is reduced. And a door locking device for keeping the gap between the door and the main body constant.

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 shape, 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 projection area rearward of the handle. A guide pin provided on the locking piece, a locking piece connected to the claw shape through a plurality of connecting plates at unlocking to form a plurality of holes, and the locking piece attached to the main body at locking. A plurality of lock upper plates which are engaged with one of the holes; The handle has a curved surface, and the handle is formed so that the horizontal cross-sectional shape thereof is substantially L-shaped and is mounted so as not to protrude from the door surface, and the handle is pivotally supported at a bent portion of the handle, It is provided movably between a position where at least one of the connecting plates is locked and a position where the locking is released in conjunction with the locking piece.

According to the present invention, the guide pin provided on the locking piece locks the connecting plate, so that the handle does not move forward even if the locking stopper or the handle is deformed or cut by the above configuration. It is also used for doors that have no space in the up-down direction by changing the force that moves back and forth from the handle that extends in the horizontal direction to the force that moves the locking piece that extends in the up-down direction up and down via the connecting plate. The gap can be uniformly maintained by engaging the locking piece with a plurality of locking plates.

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.

It should be noted that the same components as those of 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, and the end is pivotally supported by a door 36 at a shaft 37 to form a claw shape 35b. 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 for the locking groove of the handle 35.
Locking stopper 39a and locking stopper 39a appearing and retracting on 35a
And a substantially U-shaped locking plate 39b fixed thereto. 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 rotating plate 38 is inserted into the engagement plate 39e. The stop piece 39 extends in a direction parallel to the moving direction. Reference numeral 40 denotes a substantially U-shaped connecting plate A which is attached to a holding pin A42 inserted into a holding plate 41 fixed to the door 36 with screws at the front, and movably attached to the rear by a pin 44 at the connecting plate B43. It is a thing. The front of the connecting plate A40 is locked by the protruding and retracting of the guide pin 38e. The connection 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, when the locking groove 35a and the locking stopper 39a are disengaged from the locking plate 39b, protrudes forward of the door 36 (the state shown by the dashed line in FIG. 1). The locking piece 48 includes an L-shaped shaft support plate 48 having a vertically extending rod 48a and a pin 48b.
c, a vertically long hole 48d is formed in the vertical direction, and is attached to the door 36 by the screw 21 so as to be slidable up and down.

Reference numeral 50 denotes a locking plate which is attached to the opposite side of the door 36 of the main body 1 by a screw and has a substantially V-shaped groove 50a, and a plurality of locking plates are provided in the vertical direction. When the groove 50a of the locking plate 50 is located in the vertically long hole (hole) 48e of the locking piece 48, 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, and at the same time, the guide When the pin 39e is locked with the front part of the connecting plate A40, handle
The door 36 cannot be opened because 35 is inside the door 36 and the handle 35 cannot be gripped. And the vertical hole of the locking piece 48
Even when the groove 50a of the locking piece 50 is inserted into 48e and the door 36 is to be opened, it 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 rotating plate 38 is turned. This rotation causes the engagement pin 38a to rotate, but the engagement hole 39d causes the locking plate 39 to move to the left in FIG.
Moves to the left in FIG. 1 and comes out of the groove. At the same time, the guide pin 39e also moves to the left, and stops locking with the connecting plate A40. As a result, the handle 35 protrudes below the door 36 in FIG. Next, when the handle 35 is held and pulled toward the user, the locking piece 48 is moved upward by the plurality of connecting plates A40, the connecting plates B43 and the connecting plates C47. 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, when the handle 35 is pulled toward the user, the door 36 opens from the main body 1. Next, when the door 36 is to be 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 and the locking plate
The opening of the door 36 due to the 50 grooves 50a entering the vertically long holes 48e is prevented. When the locking piece 39 is moved to the right in FIG. 1 by the key 13 with the key 13 while the handle 35 is pressed, the locking stopper 39a is also locked in the locking groove 35a of the handle 35. Is done.
At the same time, the guide pin 39e also moves rightward and is locked with the front part of the connecting plate A40. In this state, the key 13 may be removed from the key section 12.

As described above, the guide pin 39e provided in a direction parallel to the moving direction of the handle 35 and the locking piece 39 extending in the lateral direction that supports the end on the opposite side of the bearing, and the guide pin 39e Locking connection plate A40, multiple connection plates A40, connection plate B43
And a longitudinally extending hole 48e provided in a vertically extending locking piece 48 which is connected via a connecting plate C47 and engages with a plurality of locking plates formed on the main body, so that the longitudinal direction of the handle 35 is Can be used for the door 36 with no space in the vertical direction by converting the force to move the locking piece 48 in the vertical direction through the connecting plate A40, the connecting plate B43 and the connecting plate C47. The gap between the door 36 and the main body 1 can be uniformly maintained by engaging the locking pieces 48 with the plurality of locking plates 50. Further, by inserting the key portion 13 into the key 12 and locking it, the connecting plate A40 can be locked by the guide pin 39e simultaneously with the locking of the handle 35, and the handle will not fly even if the locking stopper 39a is deformed or cut. Not issued.

Effect of the Invention As described above, the present invention relates to a laterally extending handle supporting the end on the opposite side of the bearing, a guide pin provided in a direction parallel to the moving direction of the locking piece, and a protrusion / retraction of the guide pin. By providing a vertically long hole provided in a vertically extending locking piece that is connected via a plurality of connecting plates and is connected via a plurality of connecting plates and engages with a plurality of locking plates formed on the main body, The following effects can be obtained.

1 By inserting the key into the key part and locking it, the guide pin can lock the connecting plate at the same time as locking of the handle, and even if the locking stopper is deformed and cut, the handle does not fly out and the door is opened. will not open.

(2) Space-saving design is possible by converting the force of moving the handle in the front-rear direction of the handle in the door with a small space in the vertical direction into the force of moving the locking piece in the vertical direction via the connecting plate.

(3) 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.

[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 sectional view of a main part of FIG. 1, and FIG. 3 is a perspective view of a main part of FIG. 4, FIG. 4 is a perspective view of a main part of FIG. 1, FIG. 5 is a perspective view of a vending machine, FIG. 6 is a perspective view of a vending machine showing one conventional embodiment, and FIG. 8 is a perspective view of an essential part of FIG. 6, and FIG. 9 is a transverse sectional view of an essential part of FIG. 1 ... body, 12 ... key, 35 ... handle, 35a ... locking groove, 36 ... door, 38 ... rotating plate, 38a ... engagement pin, 39 ...
… Locking piece, 39d… engagement hole, 39e …… guide pin, 40 ……
Connecting plates A, 43 ... Connecting plates B, 47 ... Connecting plates C, 48 ... Locking pieces, 48e ... Vertical holes, 50 ... Locking plates.

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 extending in the width direction and attached to an end of the door opposite to the pivot, a claw formed at one end of the handle, and locking the handle in conjunction with the rotating plate. A locking piece movably provided between a position to be released and a position to release the locking; a guide pin provided in the locking piece located in a rearward projection area of the handle; A locking piece connected to the claw shape through a plurality of connecting plates and having a plurality of holes formed therein, and a plurality of lock upper plates attached to the main body and engaged with the holes of the locking pieces at the time of locking are provided. The cross-sectional shape of the vertical side on the front side opposite to the pivot side of the door is a curved surface, and the horizontal cross-sectional shape of the handle is substantially L-shaped. A position where the handle is rotatably supported at a bent portion of the handle and at least one of the connecting plates is locked in conjunction with the locking piece. And a door locking device movably provided between the lock release position.