JP5359470B2 - vending machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vending machine for reducing the number of part items while securing a mechanical strength of a hinge for supporting a heat-insulated inner door. <P>SOLUTION: This automatic vending machine includes the heat-insulated inner door 30 arranged openably and closably via the hinge 1 in an in-cabinet front face of a body cabinet 10, a hinge piece 12 fixed to the body cabinet 10 is formed of a thin sheet material, in the hinge 1, a curl part fit in with a hinge pin 13 is formed in a tip of a rectangular body 121, a pair of leg pieces 122, 123 formed by bending is formed in both upper and lower ends of the rectangular body 121, the leg pieces 122, 123 are formed respectively into irregular shapes with different side lengths, the curl part of the rectangular body 121 is separated from the body cabinet 10, when tips of the leg pieces are respectively attached to the body cabinet 10, an end part opposite to the curl part is arranged adjacently to the body cabinet 10, and the mechanical strength of the hinge piece 12 is secured thereby even when formed of the thin sheet material. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a main body cabinet in which products are stored in a cabinet formed as a heat-insulating housing whose front surface is open, and a heat-insulated inner door disposed on the front surface of the main body cabinet so as to be opened and closed via a hinge. And vending machine.

A vending machine that sells products such as paper-packed beverages, canned beverages, bottled beverages, plastic bottle beverages, etc., stores the products in a refrigerator in the main cabinet and stores them in a refrigerated state, and displays them on the outer door. A plurality of product samples displayed in the room are displayed side by side, and a specified product is sold by pressing a product selection button provided in accordance with the product sample. This type of conventional vending machine will be described with reference to FIG.
In FIG. 3, reference numeral 10 denotes a main body cabinet formed as a box-shaped heat insulating housing having an open front surface. The main body cabinet 10 is attached with a single-opening type heat insulating inner door 30 that closes the front surface inside the cabinet. A single-open outer door 20 is attached to the front surface of the main body cabinet 10. The interior of the main body cabinet 10 is partitioned into a plurality of product storage rooms (in this example, two rooms) lined up and down by a partition wall 10a, and each product storage room stores products such as paper-packed beverages. In addition, a product storage rack 40 having a product delivery mechanism for delivering products to the lower end thereof, a product delivery chute 50 and a cooling / heating unit (not shown) are accommodated in the vertical direction. The heat insulating inner door 30 is provided with a merchandise carry-out port 30a with a flapper which is opened by linking the merchandise carry-out chute 50 and a product take-out port 20a formed in the outer door 20. Reference numeral 60 denotes a machine room in which a cooling unit in the product storage room and a condenser, a compressor, etc. constituting a refrigeration cycle are stored. Further, as is well known, a display room for product samples, a coin slot, a bill slot, a return lever, a change return slot, a handle with a lock, and the like are provided on the front surface of the outer door 20.

The commodity storage rack 40 is stored in the main cabinet 10 so as to be freely drawn out. That is, as already known and well known, a rail is fixed to the ceiling in the cabinet of the main body cabinet 10, and a slider slidably coupled to the rail at the upper end of the product storage rack 40. Is fixed, and the product storage rack 40 can be pulled out of the cabinet by pulling a handle (not shown) provided in the product storage rack 40. For replenishment of various products to the product storage rack 40, the operator pulls out the product storage rack 40 from the interior, opens the door 40a that closes the open surface of each product storage column, and in this state the product Are loaded and stored in each column, the door 40a is closed, and the product storage rack 40 is returned to its original storage position.
The heat-insulating inner door 30 is configured to be opened when the commodity storage rack 40 is replenished with goods, and is closed when the commodity accommodated in the commodity storage rack 40 is cooled or heated in the cabinet. . The heat insulation inner door 30 is attached to the main body cabinet 10 via a hinge on the left end side when viewed from the front of the vending machine (for example, Patent Document 1).

  FIG. 4 shows the hinge of the heat-insulated inner door in the vending machine disclosed in Patent Document 1. FIG. 4 is a perspective view of a main part viewed from the direction of the white arrow A in FIG. 3, and the outer door 20 is omitted in the figure. In FIG. 4, reference numeral 70 denotes a hinge. The hinge 70 includes a pair of hinge pieces 71 and 72 and a hinge pin 73. The pair of hinge pieces 71 and 72 are formed of a thin steel plate with a curled portion at the tip, the upper hinge piece 71 is the heat insulating inner door 30, and the lower hinge piece 72 is a reinforcing metal plate 74 made of thick steel plate. Are respectively fixed to the reinforcing metal fittings 101 of the main body cabinet 10 with screws. The hinge pin 73 is composed of a rod-shaped member having a size (diameter) that fits into the curled portions of the pair of upper and lower hinge pieces 71, 72, and a ring-shaped protrusion that abuts against the edge of the curled portion of the hinge piece 72 at the approximate center thereof. And the ring-shaped protrusion is held by the lower hinge piece 72 by abutting against the curled edge of the hinge piece 72 when fitted into the curled portion of the lower hinge piece 72. Has been.

Japanese Utility Model Publication No. 2-38678

  By the way, in the hinge 70, the load applied to the heat insulating inner door 30 is most strongly fixed to the reinforcing bracket 101 of the main body cabinet 10, and only the lower hinge piece 72 made of a thin steel plate is deformed by the load. . For this reason, a reinforcing metal fitting 74 made of a thick steel plate is welded to the hinge piece 72 to ensure mechanical strength, and the reinforcing metal fitting 74 is fixed to the reinforcing metal 101 of the main body cabinet 10. Here, if the curled portion is formed in the reinforcing metal fitting 74, the hinge piece 72 is not necessary. However, the reinforcing metal fitting 74 is made of the above-described thick steel plate, and for inserting the hinge pin 73 into such a thick steel plate. It is difficult to form a curl portion having a small diameter. Therefore, a thin hinge piece 72 capable of forming a small-diameter curled portion for fitting the hinge pin 73 is required, and the hinge piece 72 and the reinforcing metal fitting 74 are integrated by welding. . Thus, the hinge 70 must be provided with the reinforcing metal fitting 74 in order to ensure the mechanical strength against the load (load) of the heat-insulating inner door 30, the number of parts increases, and the welding work of both is required. Therefore, it has the subject that work man-hours increase.

  Accordingly, the present invention has been made in view of the above points, and an object thereof is to provide a vending machine capable of solving the above-described problems and reducing the number of hinge parts while ensuring mechanical strength. It is in.

In order to achieve the above object, the invention according to claim 1 includes a main body cabinet in which a product is stored in a cabinet formed as a heat-insulating housing having an open front surface, and a hinge on the front surface of the main body cabinet. In the vending machine provided with a heat insulating inner door arranged to be openable and closable, the hinge piece fixed to the main body cabinet constituting the hinge is formed of a thin plate and is attached to the tip of the flat rectangular main body. A curled portion for inserting a hinge pin is formed, and a pair of leg pieces formed by bending are formed at both upper and lower ends of the rectangular main body, and the leg pieces are formed in a substantially triangular shape with the bent portion of the rectangular main body as one side. is formed, the curled portion of the rectangular body of the leg locking means to the main body cabinet provided side adjacent to the opposite end, the body of the respective locking means Curled portion of the rectangular body when engaged is separated from the main body cabinet cabinets, the extension of the sides of the bent portions of the leg portions in the rectangular main body end opposite in proximity to the main body cabinet and the curled portion It attaches in the aspect which cross | intersects the attachment surface of a main body cabinet, It is characterized by the above-mentioned.
In order to achieve the above object, the invention according to claim 2 is the vending machine according to claim 1, wherein the locking means is provided at the end of each leg piece opposite to the curled portion of the rectangular body. It is a fixed tongue piece extended outward from the adjacent side, The said fixed tongue piece is screwed to a main body cabinet, It is characterized by the above-mentioned.

In order to achieve the above object, the invention according to claim 3 is the vending machine according to claim 1, wherein the locking means is provided at the end of each leg piece opposite to the curled portion of the rectangular body. It is a hook provided on an adjacent side, and the hook is engaged with a main body cabinet.
In order to achieve the above object, according to a fourth aspect of the present invention, in the vending machine according to the third aspect, the rectangular main body has a fixed bottom plate by bending at an end opposite to the curled portion, The fixed bottom plate is screwed to the main body cabinet.

According to the vending machine according to claim 1 of the present invention, a main body cabinet in which a product is stored in a cabinet formed as a heat-insulating housing having an open front surface, and a hinge on the front surface of the main body cabinet. In the vending machine provided with a heat insulating inner door arranged to be openable and closable, the hinge piece fixed to the main body cabinet constituting the hinge is formed of a thin plate and the tip of the flat rectangular main body A curled part for inserting a hinge pin is formed on the upper and lower ends of the rectangular main body, and a pair of leg pieces formed by bending is formed on the upper and lower ends of the rectangular main body. is formed, the curled portion of the rectangular body of the leg locking means to the main body cabinet provided side adjacent the opposite end, the said respective locking means Curled portion of the rectangular body when engaged with the body cabinet separated from the main body cabinet, the extension line of the bent portion of the sides of the leg in the rectangular main body end opposite in proximity to the main body cabinet and the curled portion Is attached in a manner that intersects with the mounting surface of the main body cabinet, the mechanical strength of the hinge piece fixed to the main body cabinet through a pair of upper and lower substantially triangular leg pieces can be ensured. Can be formed of a thin plate. It has been confirmed by the inventor's experiment that the hinge piece maintains the mounting posture without deformation, that is, the hinge piece is a thin plate material. It is thought that the mechanical strength of the hinge piece is ensured by the bending portion, which is a connecting portion between the upper and lower ends of the main body, serving as a so-called bracing function.

It is a perspective view of the principal part (hinge part) of the vending machine which is Embodiment 1 of this invention. The main part (hinge part) of the vending machine which is Embodiment 2 of this invention is shown, (a) is the perspective view, (b) and (c) are from the front side of the hinge piece shown to (a). It is the perspective view seen and the perspective view seen from the back side. It is a perspective view of the outside door open state which shows the whole structure of the vending machine which concerns on the implementation object of this invention. It is a perspective view of the principal part (hinge part) of the heat insulation inner door in FIG.

Hereinafter, a vending machine according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a main part of a vending machine according to Embodiment 1 of the present invention, and the same components as those shown in FIGS. 3 and 4 are denoted by the same reference numerals. In FIG. 1, the outer door 20 is omitted as in FIG.
In FIG. 1, reference numeral 101 denotes a reinforcing metal fitting for the main body cabinet 10 again, and 30 denotes a heat insulating inner door. Reference numeral 1 denotes a hinge including a pair of hinge pieces 11 and 12 and a hinge pin 13. Among the hinges 1, the hinge piece 11 and the hinge pin 13 are the same as those in the conventional apparatus shown in FIG. 4, and the hinge piece 11 is formed of a thin steel plate with a curled portion at the tip and is also a heat insulating inner door 30. The hinge pin 13 is composed of a rod-shaped member having a size (diameter) that fits into the curled portion of the pair of hinge pieces 11, 12, and abuts on the edge of the curled portion of the hinge piece 12 at the approximate center thereof. It has a ring-shaped protrusion, and when it is fitted into the curled portion of the lower hinge piece 12, the ring-shaped protruding portion is held by the lower hinge piece 12 by abutting against the edge of the curled portion of the hinge piece 12. It is configured to be.

In FIG. 1, the hinge piece 12 is formed of a thin steel plate, a curled portion into which the hinge pin 13 is fitted is formed at the tip of the flat rectangular body 121, and a pair formed by bending at the upper and lower ends of the rectangular body 121. Leg pieces 122 and 123 are provided. The leg pieces 122 and 123 are formed in different shapes having different side lengths, and fixed tongue pieces 122a and 123a formed by bending the tips outward are fixed to the reinforcing bracket 101 of the main body cabinet 10 by screws. . When the leg pieces 122 and 123 are fixed to the reinforcing metal fitting 101 of the main body cabinet 10, the curled portion of the rectangular main body 121 is separated from the main body cabinet 10, and the end of the rectangular main body 121 opposite to the curled portion is reinforced. It arrange | positions so that the metal fitting 101 (main body cabinet 10) may be adjoined.
The hinge 1 is assembled in advance to the main body cabinet 10 and the heat-insulating inner door 30 before assembling the vending machine, and the hinge piece 12 is screwed to the reinforcing bracket 101 of the main body cabinet 10 via the fixed tongue pieces 122a and 123a. On the other hand, the hinge piece 11 is fixed to the heat insulating inner door 30 with screws. When the heat insulating inner door 30 is attached to the main body cabinet 10, the hinge pin 13 is inserted into the curled portion of the hinge piece 12 fixed to the reinforcing metal fitting 101 of the main body cabinet 10. Thereafter, the heat insulating inner door 30 is lifted so that the curled portion of the hinge piece 11 is fitted into the other end of the hinge pin 13 fitted into the hinge piece 12. The heat-insulated inner door 30 attached in this way is disposed in the main body cabinet 10 so as to be openable and closable by the hinge 1, and the main body cabinet 10 is engaged with the opposite side of the hinge 1 by engaging the main body cabinet 10. Block.

As described above, the hinge 1 assembled to the vending machine supports the heat insulating inner door 30, and at that time, the hinge piece 12 in which the load (load) of the heat insulating inner door 30 is fixed to the reinforcing metal fitting 101 of the main body cabinet 10. It takes. For this reason, the hinge piece 12 has an acute angle (with respect to the surface of the reinforcing bracket 101) from the standing state (attached state) where the leg pieces 122 and 123 are perpendicular to the surface of the reinforcing bracket 101 of the main body cabinet 10. Alternatively, the hinge piece 12 arranged as shown in FIG. 1 is not deformed. The reason will be described below together with an example in which deformation occurs due to the load of the heat insulating inner door 30.
First, a description will be given of an example in which deformation occurs. Even when the leg pieces 122 and 123 are formed in different shapes having different side lengths, the plane of the rectangular main body 121 is parallel to the surface of the reinforcing bracket 101. In other words, in other words, when the shape of the leg pieces 122 and 123 is a trapezoidal shape in which the surface of the reinforcing metal fitting 101 and the surface of the rectangular main body 121 are parallel (as viewed from the plane), the load (load) of the heat insulating inner door 30 is applied. When the leg pieces 122 and 123 fall down, the hinge piece 12 is deformed from the standing posture (attached state) to the tilted posture. This is because, although the leg pieces 122 and 123 are connected by the rectangular main body 121, the rectangular main body 121 does not function at all to support the load (load), so that the leg pieces 122 and 123 are bent (the rectangular main body 121. And bent portions of the fixed tongue pieces 122a and 123a).

  On the other hand, the hinge piece 12 of the first embodiment, that is, the leg pieces 122 and 123 are formed in different shapes with different lengths on the sides, and the leg pieces 122 and 123 are attached to the reinforcing bracket of the main body cabinet 10. When fixed to 101, the curled portion of the rectangular main body 121 is separated from the main body cabinet 10, and the hinge piece 12 is disposed so that the end opposite to the curled portion of the rectangular main body 121 is close to the main body cabinet 10. With respect to, even if a load (load) of the heat-insulated inner door 30 is applied, it does not deform into a tilted posture. About this point, it is confirmed from the result of experiment whether whether the hinge piece 12 deform | transforms into a tilting posture by applying the load (load) of the heat insulation inner door 30 to the said hinge piece 12. FIG. The reason why the hinge piece 12 is not deformed even by the load (load) of the heat insulating inner door 30 is that the leg pieces 122 and 123 are connected to the rectangular main body 121 at the respective sides of the leg pieces 122 and 123. It is considered that the bent portion, which is a portion, serves as a brace and prevents the leg pieces 122 and 123 from being deformed. Thus, in the hinge piece 12 of the present embodiment, even if it is formed of a thin plate material, the standing posture (attached state) is maintained without being deformed to the tilted posture, and the load (load) of the heat insulating inner door 30 is supported. Mechanical strength can be ensured.

In the above-described embodiment, the leg pieces 122 and 123 of the hinge piece 12 are fixed to the reinforcing metal fitting 101 of the main body cabinet 10 with screws. However, the present invention is not limited to this, and the following structure is provided. Can do. That is, a hook hooked downward at the tips of the leg pieces 122 and 123, that is, the fixed tongue piece 122a formed at the tip of the leg piece 122 in FIG. 1 is bent outward (upward). A hook is formed by bending downward like the tongue piece 123a. On the other hand, an engagement hole that engages with the hook is formed in the reinforcing metal fitting 101 of the main body cabinet 10, and the hinge is engaged with the engagement hole. The piece 12 can be attached to the main body cabinet 10.
Next, Embodiment 2 of the present invention will be described based on the example shown in FIG. FIG. 2 shows the main part (hinge part) of the vending machine according to the second embodiment of the present invention, (a) is a perspective view thereof, (b) and (c) are the hinge pieces shown in (a). It is the perspective view seen from the front side, and the perspective view seen from the back side. In addition, the same code | symbol is attached | subjected to the same thing as Embodiment 1 shown in FIG.

  Since the hinge 1A of the second embodiment shown in FIG. 2 is different from the hinge 1 of the first embodiment shown in FIG. 1 in the structure of the hinge piece 12A, the hinge piece 12A will be mainly described here. The hinge piece 12A is formed of a thin steel plate similarly to the hinge piece 12 of the first embodiment, and a curled portion into which the hinge pin 13 is fitted is formed at the tip of the flat rectangular main body 121. A pair of leg pieces 122 and 123 formed by bending is provided. The leg pieces 122 and 123 are formed in different shapes having different side lengths. When the leg pieces 122 and 123 are fixed to the reinforcing bracket 101 of the main body cabinet 10, the curled portion of the rectangular main body 121 is the main body. 1 is the same as the hinge piece 12 shown in FIG. 1 in that the end of the rectangular main body 121 opposite to the curled portion is disposed so as to be close to the reinforcing metal fitting 101 (main body cabinet 10). is there.

  A fixed bottom plate 124 is integrally formed by bending the hinge piece 12A shown in FIG. 2 on the opposite side to the curled portion of the rectangular main body 121, and a screw insertion hole 124a is formed in the fixed bottom plate 124. In addition, the rectangular main body 121 is formed with a screw operation hole 121a that is screwed into the reinforcing metal fitting 101 of the main body cabinet 10 through the insertion hole 124a. In addition, downward hooks 122b and 123b are formed by bending at the tips of a pair of leg pieces 122 and 123 formed by bending at both upper and lower ends of the rectangular main body 121 in the hinge piece 12A. On the other hand, the reinforcing bracket 101 of the main body cabinet 10 has a pair of engagement holes 111 and 111 formed in a size that allows the hooks 122b and 123b to pass through (the lower engagement hole 111 in the figure is a rectangular shape of the hinge piece 12A). The main body 121 is hidden and cannot be seen).

  The assembly of the hinge piece 12A to the main body cabinet 10 will be described. First, the hooks 122b and 123b formed on the pair of leg pieces 122 and 123 of the hinge piece 12A are engaged with the reinforcing metal fitting 101 of the main body cabinet 10 which is perforated. The hinge piece 12A is slid downwardly after being fitted into the holes 111, 111. As a result, the hooks 122b and 123b sink behind the reinforcing metal fitting 101 and are locked in the engagement holes 111 and 111, and the hinge piece 12A is temporarily fixed. Thereafter, a screw is inserted into the insertion hole 124a formed in the fixed bottom plate 124 through the operation hole 121a of the rectangular main body 121, and the hinge piece 12A is fixed to the main body cabinet 10 by screwing the screw with a tool. . The main body cabinet 101 is formed with a helical male screw into which the screw is screwed. According to the hinge in the second embodiment, only one screw for fixing the hinge piece 12A to the main body cabinet 10 can be used, so that the cost can be reduced.

As described above, according to the present invention, the main body cabinet 10 in which the product is stored in a cabinet formed as a heat-insulating housing having an open front surface, and the hinge 1 (1A) is connected to the front surface of the main cabinet 10 in the cabinet. The hinge piece 12 (12A) fixed to the main body cabinet 10 constituting the hinge 1 (1A) is formed of a thin plate in a vending machine provided with a heat insulating inner door 30 arranged to be openable and closable. In addition, a curled portion for inserting the hinge pin 13 is formed at the tip of the rectangular main body 121, and a pair of leg pieces 122, 123 formed by bending at the upper and lower ends of the rectangular main body 121 are formed. , 123 is formed in a substantially triangular shape to one side of the bent portion of the rectangular body 121, and a curled portion of the rectangular body 121 in the leg 122 and 123 Opposite end to the locking means to the main body cabinet 10 side adjacent (fixed tongues 122a, 123a, the hook 122b, 123b) and provided, when the respective locking means engaged with the main body cabinet 10 Further, the curled portion of the rectangular main body 121 is separated from the main body cabinet 10, and the end opposite to the curled portion is close to the main body cabinet 10 so as to extend the sides of the bent portions of the leg pieces 122 and 123 in the rectangular main body 121. Is attached in a manner that intersects with the attachment surface (reinforcing metal fitting 101) of the main body cabinet 10, even if the hinge piece 12 (12A) is formed of a thin plate, its mechanical strength can be ensured. Since no reinforcing metal fitting is required, the number of hinge parts and the number of work steps can be reduced.

1,1A Hinge 10 Main body cabinet 11, 12, 12A Hinge piece 13 Hinge pin 20 Outer door 30 Insulated inner door 40 Commodity storage rack 121 Rectangular main body 122, 123 Leg piece

Claims (4)

A main body cabinet in which products are stored in a cabinet formed as a heat-insulating housing with an open front surface, and a heat-insulated inner door disposed on the front surface of the main body cabinet so as to be opened and closed via a hinge. In the vending machine, the hinge piece fixed to the main body cabinet constituting the hinge is formed of a thin plate , and a curled portion for inserting a hinge pin is formed at the tip of the flat rectangular main body. A pair of leg pieces formed by bending is formed at both upper and lower ends, and the leg pieces are formed in a substantially triangular shape with a bent portion of the rectangular body as one side, and the curled portion of the rectangular body in the leg piece is the locking means to the main body cabinet provided side adjacent the opposite end, the curl of the rectangular body the respective locking means when engaged with the main body cabinet It but separated from the main body cabinet, and the curled portion is attached in a manner that the side extension of the bent portion of the leg piece in the rectangular main body end opposite in proximity to cabinet intersects the mounting surface of the main body cabinet Vending machine characterized by 2. The vending machine according to claim 1, wherein the locking means is a fixed tongue piece extending outward from a side adjacent to an end portion of each leg piece opposite to the curled portion of the rectangular main body. A vending machine characterized in that the tongue piece is screwed to the main body cabinet. 2. The vending machine according to claim 1, wherein the locking means is a hook provided on a side of each leg piece adjacent to the end opposite to the curled portion of the rectangular main body, and the hook is engaged with the main body cabinet. Vending machine characterized by combining. 4. The automatic vending machine according to claim 3, wherein the rectangular main body has a fixed bottom plate by bending at an end opposite to the curled portion, and the fixed base plate is screwed to the main body cabinet. Vending machine.