JP2000172927A - Door supporting device for vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door supporting device for vending machine which surely fixes a roll receiver without using a fastening member. SOLUTION: When projecting pieces 5c and 5d of the roll receiver 5 are inserted to attaching holes 1a on the vending machine main body side respectively, the projecting piece 5d on the rear end side is inserted to the attaching hole 1a while bending in the breadthwise direction by force-fitting of the projecting piece 5d into the attaching hole 1a because the projecting piece 5d is formed so as to have a width W2 slightly larger than a width W1 of the attaching hole 1a, and the projecting piece 5d after insertion is pressed to both ends in the breadthwise direction of the attaching hole 1a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door supporting device for preventing an outer door from tilting in a vending machine for canned beverages and the like.

[0002]

2. Description of the Related Art Generally, vending machines of this type include:
A vending machine main body having an open front surface and an outer door for opening and closing the front surface of the vending machine main body are known in which one end in the width direction of the outer door is rotatably supported by the vending machine main body. .
This vending machine is provided with a door support device as described in, for example, JP-A-10-105816 in order to prevent the outer door from tilting due to its own weight. This door support device is composed of a roller attached to the lower part of the outer door and a roller receiver attached to the vending machine main body. When the outer door is closed, the roller of the outer door becomes a roller on the vending machine main body side. Riding on the tray, the inclination of the outer door is eliminated. Further, the roller receiver has protrusions provided at both ends in the front-rear direction inserted into mounting holes provided on the vending machine main body side, respectively. In this case, one protruding piece of the roller receiver is formed in an L-shape, and is engaged with an edge on the back side of the mounting hole.

[0003]

In the door support device,
One of the protruding pieces of the roller receiver is formed in an L shape so as to be engaged with the edge on the back side of the mounting hole. However, there is a possibility that the roller receiving part may come off from the mounting hole due to an impact at the time of opening and closing the door. There is a problem that the fixing cannot be performed reliably. Further, the roller receiver can be fixed to the vending machine main body side by a fastening member such as a screw, but there is a problem that the number of parts and the number of assembling steps are increased by using such a fastening member.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a vending machine door support device capable of securely fixing a roller receiver without using a fastening member. Is to do.

[0005]

In order to achieve the above object, according to the present invention, a roller provided at a lower portion of an outer door and a roller receiver provided at a vending machine main body side are provided. A vending machine door support device that fixes the roller receiver to the vending machine body by inserting protrusions provided at both ends in the front-rear direction of the roller receiver into mounting holes provided on the vending machine body side. , At least one protrusion of the roller receiver is formed to be slightly larger than the width of the mounting hole and to be deformable in the width direction when inserted into the mounting hole. As a result, since the projecting piece of the roller receiver is formed to have a width slightly larger than the width of the mounting hole, the projecting piece is inserted into the mounting hole while being deformed in the width direction by pressing the projecting piece into the mounting hole. Then, the protruding pieces are pressed against both ends in the width direction of the mounting hole.

According to a second aspect of the present invention, in the door support device for a vending machine according to the first aspect, projections are provided on both sides in the width direction of the protruding pieces so as to be able to be engaged with the rear edges of the mounting holes. . Accordingly, in addition to the operation of the first aspect, when the protrusion of the roller receiver is inserted into the mounting hole, each protrusion of the protrusion locks to the edge on the back side of the mounting hole, and the protrusion moves in the anti-insertion direction. Is regulated.

According to a third aspect of the present invention, in the door support device for a vending machine according to the first or second aspect, a projection is provided on the inner surface of the mounting hole on the projection so as to be able to press against the thickness of the projection. I have. Accordingly, in addition to the function of claim 1 or 2, when the projection of the roller receiver is inserted into the mounting hole, the projection of the projection is pressed against the inner surface of the mounting hole in the thickness direction.

[0008]

1 to 4 show an embodiment of the present invention. FIG. 1 is an overall perspective view of a vending machine, and FIG.
FIG. 3 is a perspective view of a main part of the door support device, FIG. 3 is a plan view of the main part, and FIG.

The vending machine shown in FIG. 1 has a vending machine main body 1 having an open front, an outer door 2 for opening and closing the front of the vending machine main body 1, and a product storage section in the vending machine main body 1 (see FIG. 1). And an inner door 3 that opens and closes (not shown), and the outer door 2 is rotatably supported at one end in the width direction by the vending machine main body 1.

The vending machine has a door supporting device comprising a roller 4 rotatably mounted below the outer door 2 and a roller receiver 5 mounted on the vending machine main body 1 side. When the roller 2 is closed, the roller 4 rides on the roller receiver 5.

As shown in FIG. 2, the roller receiver 5 has an inclined surface 5a formed on the front end side of the upper surface, and a horizontal surface 5b formed continuously with the inclined surface 5a. It is making a downward slope. Also, protrusions 5c and 5d are provided at the front end and the rear end of the roller receiver 5, respectively, and the protrusions 5c and 5d are respectively inserted into mounting holes 1a provided on the vending machine main body 1 side. It has become.
In this case, the protruding piece 5d on the rear end side has a width W2 slightly larger than the width W1 of the mounting hole 1a, and is formed in a forked shape lacking a central portion in the width direction. That is, the protruding piece 5d is made of a material which can be elastically or plastically deformed, and can be bent and deformed in the width direction by the forked shape.

In the door supporting apparatus constructed as described above, when the outer door 2 in the open state is tilted by its own weight and the opposite side of the rotation axis is lowered, as shown in FIG. When the door 2 is closed, the roller 4 of the outer door 2 rides up to the horizontal plane 5b via the inclined surface 5a of the roller receiver 5, as shown in FIG. Thereby, the opposite side of the rotation axis of the outer door 2 rises by the height H, and the inclination of the outer door 2 is eliminated.

When the roller receiver 5 of the door support device is mounted, the projections 5c and 5d of the roller receiver 5 are inserted into the mounting holes 1a of the vending machine main body 1, respectively. Is formed to have a width slightly larger than the width of the mounting hole 1a. Therefore, by pressing the protruding piece 5d into the mounting hole 1a, the protruding piece 5d is inserted into the mounting hole 1a while causing bending deformation in the width direction. . As a result, the inserted protruding piece 5d is pressed against both ends in the width direction of the mounting hole 1a, and is securely fixed to the vending machine main body 1 side.

As described above, according to the door support device of the present embodiment, the one protruding piece 5d of the roller receiver 5 is slightly larger than the width of the mounting hole 1a on the vending machine main body 1 side and is bent in the width direction. Since the protrusion 5d is formed so as to be deformable, the protrusion 5d is press-fitted into the mounting hole 1a while being deformed in the width direction, so that the inserted protrusion 5d can be pressed against both ends in the width direction of the mounting hole 1a. Can be securely fixed without using a fastening member such as a screw. In addition, the pressure contact between the protruding piece 5d and the mounting hole 1a can prevent rattling of the roller receiver 5 in the width direction. If the protrusion 5c on the front end side of the roller receiver 5 is formed in the same manner as the protrusion 5d on the rear end side, the roller receiver 5 can be more securely fixed.

Also, as shown in FIG.
The protrusions 5e are provided on both sides in the width direction, and when the protruding pieces 5d are inserted into the mounting holes 1a, as shown in FIG.
e is locked to the back edge of the mounting hole 1a,
The movement of the protruding piece 5d in the anti-insertion direction can be reliably restricted.

Further, as shown in FIG. 6, a protrusion 5f is provided on the protrusion 5d so as to protrude in the thickness direction.
a, the protrusion 5f is inserted into the mounting hole 1 as shown in FIG.
By pressing against the inner surface of a, the protruding piece 5d can be more reliably fixed. In this case, it is possible to prevent the roller receiver 5 from rattling in the front-rear direction by pressing the projection 5f and the mounting hole 1a.

[0017]

As described above, according to the door supporting apparatus of the present invention, the roller receiver can be securely fixed without using a fastening member such as a screw. Since the receiving member does not easily come off from the mounting hole and the necessity of using a fastening member is eliminated, it is advantageous in terms of cost and manufacturing.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a vending machine showing an embodiment of the present invention.

FIG. 2 is a perspective view of a main part of the door support device.

FIG. 3 is a plan view of a main part of the door support device.

FIG. 4 is a diagram illustrating the operation of the door support device.

FIG. 5 is a rear view of a door support device showing a modification of the present invention.

FIG. 6 is a side view of a main part of a door support device showing another modification of the present invention.

FIG. 7 is a plan cross-sectional view of a main part of a door support device showing another modification of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Vending machine main body, 1a ... Mounting hole, 2 ... Outer door, 4 ... Roller, 5 ... Roller receiver, 5c, 5d ... Projection piece, 5e ... Projection, 5f ... Projection.

Claims (3)

[Claims] 1. A vending machine body comprising: a roller attached to a lower portion of an outer door; and a roller receiver attached to a vending machine main body. In the vending machine door support device in which the roller receiver is fixed to the vending machine main body by inserting the roller receiver into the vending machine body, at least one protrusion of the roller receiver is slightly larger than the width of the mounting hole. A door support device for a vending machine, which is large and is formed so as to be deformable in the width direction when inserted into a mounting hole. 2. The vending machine door support device according to claim 1, wherein projections are provided on both sides in the width direction of the protruding pieces, the projections being engageable with the edges on the back side of the mounting holes. 3. The projection according to claim 1, wherein a projection is provided on an inner surface of the mounting hole, the projection being press-contactable in a thickness direction of the projection.
Or the door supporting device of the vending machine according to 2.