JP2004038664A - Door device of vending machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door device of vending machine capable of ensuring sufficient sealing property of a commodity storage while keeping the smooth opening and closing of the commodity storage accompanied by the opening and closing of a vending machine body. <P>SOLUTION: This door device of a vending machine 1 for opening and closing the front opening 6a of the commodity storage 6 and the front opening of the vending machine body 3 containing it comprises a main door 2 for opening and closing the opening of the vending machine body 3, which is mounted on one front end portion of the lateral side parts of the vending machine 3 to be rotatable around a vertically extending hinge pin 4, an upper heat insulating door 8A for opening and closing the opening 6a of the commodity storage 6, which is arranged on the back side of the main door 2 and mounted in a position close to the front end of the commodity storage 6 of an inner wall 3a on one side part of the vending machine body 3 to be rotatable around a vertically extending hinge pin 11b, and a door interlocking mechanism for opening and closing the upper heat-insulating door 8A in interlocking with the opening and closing of the main door 2, which is connected between the main door 2 and the upper heat-insulating door 8A. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a vending machine door device, and more particularly to a vending machine door device that opens and closes a product storage box with a heat-insulating door on the back side of the vending machine in accordance with opening and closing of a main door in front of the vending machine.
[0002]
[Prior art]
2. Description of the Related Art In general, a vending machine that sells canned beverages, paper-packed beverages, and the like is provided with a main door having a product sample, a product selection button, a cash slot, a product outlet, and the like. FIG. 4A shows the periphery of a main door of a conventional vending machine. As shown in the figure, a main door 21 is attached to a front end (a lower end in the figure) of a vending machine main body 22 having an open front surface so as to be rotatable around a rotation shaft 23 extending in a vertical direction. It is opened and closed at the time of product replenishment and maintenance. Further, the vending machine main body 22 has a built-in commodity storage 24 having an opening 24a on the front surface and a periphery formed of a heat insulating wall. A breaker 25 is attached to the periphery of the opening 24a of the product storage 24, and the opening 24a is closed with the periphery of the heat insulating door 26 in close contact with the breaker 25 from the front. Leakage of cool air and warm air in the storage 24 is prevented.
[0003]
The heat-insulating door 26 is vertically divided into two parts, and the lower heat-insulating door (hereinafter referred to as “lower heat-insulating door”) is vertically extended through a hinge (not shown) attached to the vending machine main body 22. While rotating around, the lower half of the opening 24a of the product storage 24 is opened and closed. On the other hand, the upper insulating door (hereinafter referred to as “upper insulating door 26”) is attached to the back of the main door 21, and opens and closes the upper half of the opening 24 a of the product storage 24 so as to open and close the product storage 24. The product slot located at the top of the box is also opened and closed. In other words, in such an insulated door 26, in order to minimize a temperature change in the product storage 24 at the time of product replenishment, the lower insulated door is kept closed even when the main door 21 is opened, Immediately after the main door 21 is opened, the upper heat-insulating door 26 is opened in conjunction with the opening of the main door 21 so that products can be replenished through the product slot.
[0004]
[Problems to be solved by the invention]
In recent years, vending machines capable of selling plastic bottled beverages in addition to canned beverages have been increasing. Generally, the height of a plastic bottle is higher than that of a beverage can. For this reason, in the product storage 24 in which the PET bottle beverage is stored in a horizontal state, the width W1 in the left-right direction inside the product storage 24 tends to be larger than before. On the other hand, the width W2 of the vending machine itself in the left-right direction can hardly be increased due to restrictions on the installation space and demand for space saving. Therefore, as shown in FIG. 4C, when the width W1 in the product storage 24 is increased while the upper heat-insulating door 26 is kept as it is, the portion of the heat-insulating door 26 that comes into contact with the breaker 25 (hereinafter referred to as “wrap allowance”). ) Is clearly smaller than that in FIG. 3B, and the sealing property of the product storage 24 may be insufficient.
[0005]
Of course, as shown in FIG. 4D, it is possible to secure a sufficient wrap margin by expanding the size of the upper heat insulating door 26 in the left-right direction and extending the right end thereof to the right. is there. However, in this case, when the main door 21 is opened and closed, the right end of the upper heat-insulating door 26 moves so as to expand to the right from the closed position, as shown by the dashed line arrow in FIG. As a result, the vending machine body 22 may interfere with the right inner wall at the front end.
[0006]
The present invention has been made in order to solve the above-described problems, and ensures a sufficient sealing property of a product storage while maintaining smooth opening and closing of a product storage accompanying opening and closing of a vending machine main body. It is an object of the present invention to provide a vending machine door device that can perform the above-described operations.
[0007]
[Means for Solving the Problems]
A vending machine door device according to the present invention is a vending machine door device for opening and closing a front opening of a product storage and a front opening of a vending machine main body containing a product storage. An external door that is rotatably mounted on a first axis extending in the vertical direction at one of the front ends of the left and right sides of the machine body and that opens and closes the opening of the vending machine body; and a rear side of the external door. The vending machine body is rotatably mounted on the inner wall on one side of the vending machine main body at a position near the front end of the merchandise storage cabinet around a second axis extending in the vertical direction. An internal door that opens and closes, and a door interlock mechanism that is connected between the external door and the internal door and that opens and closes the internal door in conjunction with opening and closing of the external door is provided.
[0008]
According to this configuration, the external door attached to one of the front ends of the left and right sides of the vending machine main body opens and closes the front opening of the vending machine main body while rotating about the first axis. On the other hand, an internal door attached to the side inner wall of the vending machine body at a position near the front end of the product storage opens and closes the front opening of the product storage while rotating about the second axis. . The external door and the internal door are connected to each other by a door interlocking mechanism, and the internal door opens and closes in conjunction with the opening and closing of the external door, so that the product storage opens and closes in conjunction with the opening and closing of the vending machine body. be able to. In addition, the inner door rotates about the second axis when opening and closing, so that the end of the inner door opposite to the second axis (hereinafter, referred to as “free end” in the present specification). It does not move so as to bulge outward beyond the position of the free end of the closed internal door. Therefore, even when the edge of the opening approaches the inner wall of the vending machine main body by expanding the opening of the product storage in the left-right direction, the free end of the internal door that opens and closes the opening is closed. It can be extended to the vicinity of the inner wall of the vending machine itself, thereby ensuring sufficient sealing of the product storage while maintaining smooth opening and closing of the product storage as the vending machine opens and closes. Can be.
[0009]
In this case, the door interlocking mechanism is attached to the back surface of the outer door, and is attached to the rail extending in the left-right direction, and to the end of the inner door opposite to the second axis, and rotatably and slidably engages with the rail. It is preferable to have a slider which can be used.
[0010]
According to this configuration, when the outer door is opened and closed while rotating about the first axis, the slider attached to the free end of the inner door rotates with respect to the rail attached to the back of the outer door. While sliding along the rails. In this case, the inner door rotates around the second axis while the angle between the inner door and the outer door and the position of the free end with respect to the outer door change. Therefore, with the door interlocking mechanism having the rail and the slider having the above-described configuration, it is possible to easily realize the smooth opening and closing of the product storage with the opening and closing of the vending machine main body with a simple configuration.
[0011]
In this case, at least one of the rail and the slider is movably attached to the outer door and the inner door within a predetermined range in the front-rear direction, and urges the inner door in a direction away from the outer door. It is preferable that an urging means is further provided.
[0012]
According to this configuration, since at least one of the rail and the slider is movable within a predetermined range in the front-rear direction with respect to the outer door and the inner door, for example, when the vending machine body is closed, the outer door is Before the vending machine is completely closed, even if the inner door touches the edge of the opening of the product storage, the inner door approaches the outer door in front, so that the inner door is not disturbed and sold. The machine body can be closed with an external door. Further, since the inner door is urged in the direction away from the outer door by the urging means, when the vending machine main body is closed, the inner door is strongly pressed against the edge of the opening of the product storage. . Therefore, with the above configuration, it is possible to further enhance the sealing property of the product storage while ensuring that the vending machine main body is securely closed by the external door.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows the periphery of a main door of a vending machine to which a door device according to an embodiment of the present invention is applied, and FIG. 2 shows right and left ends thereof in an enlarged manner. This vending machine 1 is capable of selling products such as PET bottle drinks instead of or in addition to canned drinks. As shown in these figures, the main door 2 (external door) is turned to the left front end of the vending machine main body 3 via upper and lower two main door hinges 4 (only one is shown in FIGS. 1 and 2). It is movably mounted. The main door 2 has a product sample, a product selection button, a cash slot, a product outlet, and the like in the same manner as a general vending machine. It has a display panel 5 to be displayed.
[0014]
Each of the main door hinges 4 is attached to the main door 2 and the vending machine main body 3, respectively, and two hinge plates 4a (only one attached to the main door 2 are shown) partially overlapping each other, and an overlapping portion thereof And a hinge pin 4b (first axis) extending vertically. The main door 2 opens and closes the vending machine main body 3 while rotating the main door 2 around the hinge pin 4b by such a main door hinge 4.
[0015]
The vending machine main body 3 is formed in a box shape with an open front surface, and a product storage 6 having an opening 6a on the front surface and having a heat insulating wall around the inside is provided inside. A breaker 7 made of a synthetic resin or the like is attached to the periphery of the opening 6a of the product storage 6. When the heat insulating door 8 is brought into close contact with the breaker 7 from the front, it is possible to prevent the cool air or the warm air from leaking out of the product storage 6, thereby controlling the temperature inside the product storage 6 to a predetermined temperature. By maintaining the temperature, the product is cooled or heated.
[0016]
Although not shown, a so-called serpentine-type product rack, which extends vertically while meandering in the front-rear direction and has a plurality of columns in the front-rear direction and the left-right direction, is stored in the product storage 6. . In addition, merchandise insertion ports for these columns are respectively opened forward and arranged above the merchandise storage 6. Then, at the time of product replenishment, when products are sequentially inserted through the product insertion port, those products are stored in each column so as to be laid down and stacked vertically.
[0017]
As shown in FIG. 3A, the heat-insulating door 8 includes an upper heat-insulating door 8A and a lower heat-insulating door 8B which are arranged in a vertically arranged state. As shown in FIG. 1 and FIG. 2A, the upper heat-insulating door 8A (inner door) includes a plurality of vertically arranged predetermined intervals on the inner wall 3a at the left front end of the vending machine main body 3. It is rotatably mounted via an upper heat-insulating door hinge 11 (only one is shown in FIGS. 1 and 2). Each upper insulating door hinge 11 extends in the vertical direction with hinge plates 11a, 11a attached to the inner wall 3a of the vending machine main body 3 and the left end of the upper insulating door 8A, and rotates both hinge plates 11a, 11a. And a hinge pin 11b (second axis) movably connected. The hinges 11b for the upper insulating doors are arranged such that the hinge pins 11b are parallel to the hinge pins 4b of the hinge 4 for the main door.
[0018]
The upper heat-insulating door 8A has a heat insulating material inside and has a rectangular front shape. At the right end of the upper insulating door 8A opposite to the upper insulating door hinge 11, that is, at the free end of the upper insulating door 8A, a connection fitting 12 (for connecting the upper insulating door 8A to the main door 2). Slider) is attached.
[0019]
As shown in FIGS. 2B and 3B, the connecting fitting 12 is formed by bending a metal plate having a predetermined shape. Specifically, a horizontally long mounting portion 14 mounted on the right end surface of the upper heat insulating door 8A via a mounting pin 13 and a cylindrical shape extending in the vertical direction are provided on an end of the mounting portion 14 on the main door 2 side. And a curl portion 15 formed at the bottom.
[0020]
The mounting portion 14 is formed with a long hole 14a extending in the thickness direction of the upper heat-insulating door 8A. The shaft 13a of the mounting pin 13 is inserted into the elongated hole 14a. Accordingly, the free end of the upper heat-insulating door 8A can move in the front-rear direction with respect to the main door 2 by the length of the elongated hole 14a, more specifically, in the direction approaching to and separating from the main door 2. It has become. On the other hand, the curl portion 15 is formed so that its height is larger than the height dimension of the mounting portion 14. The connection fitting 12 configured as described above is engaged with a rail 16 attached to the back surface of the display panel 5 via the curl portion 15.
[0021]
The rail 16 is attached to the right end of the main door 2 opposite to the main door hinge 4, that is, the right end of the rear surface of the display panel 5 so as to extend in the left-right direction. More specifically, the rail 16 extends a predetermined length substantially horizontally along the display panel 5 so as to be orthogonal to the hinge pins 4b and 11b of the hinges 4 and 11, and has a cross section C that opens to the upper heat-insulating door 8A side. It is formed in a character shape. The vertical dimension of the opening 16 a of the rail 16 is larger than that of the mounting portion 14 of the connection fitting 12 and smaller than that of the curl portion 15. Therefore, the connection fitting 12 is rotatably and slidably engaged with the rail 16 via the curl portion 15.
[0022]
As shown in FIG. 3A, a plurality of (only two are shown in FIG. 3) conical coil springs 17 (biasing means) are attached to the surface of the upper insulating door 8A on the display panel 5 side. Each coil spring 17 is compressed between the upper heat-insulating door 8A and the display panel 5. That is, the upper heat-insulating door 8 </ b> A is urged by the coil springs 17 in a direction away from the display panel 5.
[0023]
The lower heat-insulating door 8B arranged below the upper heat-insulating door 8A pivots on the inner wall 3a at the left front end of the vending machine main body 3 via the same hinge as the upper heat-insulating door hinge 11. Mounted freely. The lower heat-insulating door 8B is rotatable independently of the main door 2 and the upper heat-insulating door 8A, and is always kept closed.
[0024]
Here, the operation of the heat insulating door 8 accompanying opening and closing of the main door 2 will be briefly described. As shown by the solid line in FIG. 1, when the main door 2 is in the closed state, the rear edge of the heat-insulating door 8 is pressed against the breaker 7 of the product storage 6. As a result, the opening 6a of the product storage 6 is closed by the heat insulating door 8, and no cool or warm air leaks from the gap between the product storage 6 and the heat insulating door 8, and the inside of the product storage 6 is kept airtight. It is. Further, in this case, as shown in FIG. 2B, the curling portion 15 of the connecting fitting 12 attached to the right end surface of the upper heat insulating door 8A is located near the right end of the rail 16.
[0025]
When the main door 2 is opened from such a closed state as shown by a two-dot chain line in FIG. 1, the main door 2 draws an arc-shaped locus C1 around the hinge pin 4b of the hinge 4 for the main door. So that it rotates clockwise. In this case, the upper heat-insulating door 8A rotates clockwise in conjunction with the opening of the main door 2 so as to draw an arc-shaped trajectory C2 centered on the hinge pin 11b of the hinge 11 for the upper heat-insulating door. In this case, the connection fitting 12 slides from the position near the right end of the rail 16 toward the left end while the curl portion 15 slightly rotates around the central axis.
[0026]
As described above, in conjunction with the opening of the main door 2, the upper heat-insulating door 8A rotates about the hinge pin 11b, thereby opening the upper part (commodity insertion port) of the opening 6a of the commodity storage 6. After the completion of the product replenishment, the main door 2 is closed while rotating counterclockwise, contrary to the above. Accordingly, the upper heat-insulating door 8A also closes while rotating counterclockwise. In this case, the upper insulating door 8A was strongly pressed against the breaker 7 on the periphery of the opening 6a of the product storage 6 by a plurality of coil springs 17 disposed between the upper insulating door 8A and the display panel 5 on the back side of the main door 2. State. Thereby, the sealing performance of the upper heat-insulating door 8A is further enhanced.
[0027]
As described in detail above, according to the present embodiment, the main door 2 is rotatably attached to the left front end of the vending machine main body 3 via the main door hinge 4, and the upper insulating door 8A is The main door 2 and the upper heat-insulating door 8A are rotatably attached to the inner wall 3a of the vending machine main body 3 via the upper heat-insulating door hinge 11, and the main door 2 and the upper heat-insulating door 8A are connected via a connection fitting 12 and a rail 16. Since the vending machine main body 3 is opened and closed, the commodity input port on the upper part of the commodity storage 6 can be opened and closed.
[0028]
Further, since the upper insulating door hinge 11 is attached to the inner wall 3a at the left front end of the vending machine main body 3, when the upper insulating door 8A is opened and closed, the right end, which is the free end, is closed. It does not move so as to swell to the right of the position. Therefore, even when the edge of the opening 6a approaches the inner wall of the right front end of the vending machine main body 3 by expanding the opening 6a of the product storage 6 in the left-right direction, the upper insulating door 8A does The free end can be extended to the vicinity of the inner wall of the vending machine main body 3, so that the product storage 6 can be smoothly opened and closed as the vending machine main body 3 opens and closes. Sufficient sealing properties can be ensured.
[0029]
The present invention is not limited to the above-described embodiment, but can be implemented in various modes. For example, although the connecting fitting 12 and the rail 16 were used as the door interlocking mechanism of the present invention, the door interlocking mechanism is not limited to these, and connects the main door 2 and the upper heat-insulating door 8A, as well as the main door. As long as the upper heat-insulating door 8A can be opened and closed in conjunction with the opening and closing of the door 2, various structures can be employed. Further, in the embodiment, by forming the elongated hole 14a in the connection fitting 12, the connection fitting 12 can be moved in the front-rear direction with respect to the upper heat-insulating door 8A, but instead or together with this, The rail 16 may be configured to be movable in the front-rear direction with respect to the display panel 5. As a result, the free end of the upper heat-insulating door 8 </ b> A can be moved in a direction approaching and away from the main door 2.
[0030]
Further, in the embodiment, the case where the door device of the present invention is applied to a door of a vending machine has been described. However, it is also possible to apply the door device to various fields requiring a double door. Furthermore, the detailed configuration of the main door 2 and the upper heat-insulating door 8A shown in the embodiment is merely an example, and can be appropriately changed within the scope of the present invention.
[0031]
【The invention's effect】
As described in detail above, the vending machine door device of the present invention can ensure sufficient sealing of the product storage while maintaining smooth opening and closing of the product storage accompanying opening and closing of the vending machine main body. It has the effect of being able to.
[Brief description of the drawings]
FIG. 1 is a plan view showing a periphery of a main door of a vending machine to which a door device according to an embodiment of the present invention is applied.
FIGS. 2 (a) and (b) are enlarged views showing circles in a dashed line of the main door and the upper heat insulating door of FIG. 1, respectively.
FIG. 3A is a side view when the heat insulating door is viewed from a free end side, and FIG. 3B is an enlarged view of a circle surrounded by a dashed line in FIG.
FIG. 4A is a plan view showing the periphery of a main door of a conventional vending machine, and FIGS. 4B to 4D are enlarged views showing the periphery of a right end of the main door of FIG. In particular, (c) shows the state when the width of the product storage in the left-right direction is enlarged, and (d) shows the state when the right end of the heat insulating door is extended rightward in (c).
[Explanation of symbols]
1 Vending machine 2 Main door (external door)
3 Vending machine body 3a Inner wall at left front end of vending machine body 4 Main door hinge 4b Hinge pin (first axis)
6 Commodity storage 6a Commodity storage opening 8A Upper insulation door (internal door)
11 Hinge for upper insulation door 11b Hinge pin (second axis)
12 Connecting bracket (slider)
16 Rail 17 Coil spring (biasing means)

Claims (3)

A vending machine door device for opening and closing the front opening of the product storage, and the front opening of the vending machine body incorporating the product storage,
An external door that is rotatably mounted on a first axis extending in the vertical direction at one front end of the left and right sides of the vending machine main body and opens and closes the opening of the vending machine main body;
It is arranged on the back side of the external door, and is rotatable around a second axis extending vertically in a position near the front end of the commodity storage box on the inner wall of the one side of the vending machine main body. An internal door attached to and opening and closing the opening of the product storage,
A door interlocking mechanism that is connected between the outer door and the inner door and that opens and closes the inner door in conjunction with the opening and closing of the outer door;
A door device for a vending machine, comprising: The door interlocking mechanism,
A rail attached to the back of the external door and extending in the left-right direction;
A slider attached to an end of the inner door opposite to the second axis and rotatably and slidably engaging the rail;
The vending machine door device according to claim 1, comprising: At least one of the rail and the slider is movably attached to the outer door and the inner door in a front and rear direction within a predetermined range,
The door device for a vending machine according to claim 2, further comprising: urging means for urging the inner door in a direction away from the outer door.

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