JP2007122293A - Inner door for vending machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inner door for a vending machine that can improve separability and can reduce the number of parts while maintaining heat insulation performance. <P>SOLUTION: The vending machine inner door 18 comprises outlet doors 20 for closing an article outlet normally and opening the article outlet when an article is dispensed from an article storage part, outlet door frames 21 made of resin mounted with the outlet doors 20, an inner door body 22 made of a resin sheet provided with the outlet door frames 21 at a lower end and forming an outer frame of the inner door, and a heat insulator 23 formed by the injection of a foaming agent into an internal space defined by the outlet door frames 21 and inner door body 22. The resin sheet forming the vending machine inner door body 22 and the foaming agent injected into the internal space defined by the inner door body 22 to form the heat insulator 23 can provide an excellent heat insulation effect and can dispense with separation for disposal to improve separability. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an inner door of a vending machine.

A conventional vending machine is disclosed in Patent Document 1, for example.
As shown in FIG. 6, the vending machine disclosed in Patent Document 1 is a vending machine that can be sold by cooling or heating a product, and supports the outer door 3 so that it can be opened and closed. In the vending machine main body 1, an internal space (inner box) 2 having a heat insulating structure capable of opening and closing its front opening by an inner door 4 having heat insulation is provided, and provided in the internal space 2. A large number of products 6 such as cans are stored in a plurality of (four in the figure) product storage portions 5. The inner door 4 closes the front opening of the internal space 2. In addition, a dispensing device (not shown) that sequentially dispenses the stored products 6 is disposed at the lower end of the product storage unit 5, and the products 6 that are paid out by the dispensing device are placed below the inner door 4. The product is discharged to the product outlet 10 at the lower part of the outer door 3 through the outlet door 8 provided at the opened product outlet 7. The outlet door 8 normally closes the commodity outlet 7 and opens the commodity outlet 7 when the commodity 6 is paid out from the commodity storage portion 5. The internal space 2 is partitioned into a plurality of (three in the figure) heat insulating spaces in the width direction by partition walls 9 that have heat insulating properties and extend vertically and in the depth direction. And temperature setting (cooling or heating setting) is possible for each heat insulation space, and the said product storage part 5 is provided corresponding to each heat insulation space, and the product discharge port 7 is provided. In FIG. 6, when viewed from the front, one row at the left end, one row adjacent to the right, and the other two rows are partitioned by the partition wall 9 and arranged so as to be separate product storage portions 5. Three product outlets 7 are provided.

  As shown in FIGS. 6 and 7, the inner door 4 includes a steel plate inner door body 11 </ b> B made of a frame body in which a product discharge port 7 is formed at the lower end and an opening 11 </ b> A is formed at the lower end. A synthetic resin lower cover 12 covering the opening 11A of the main body 11B, and an inner surface (side facing the internal space 2) 11C of the inner door main body 11B, and a lower portion where the lower cover 12 is provided. The frame-shaped resin member 13 is provided on the inner surface 11C and is cut off so that the heat of the internal space 2 on the inner surface 11C side of the inner door main body 11B is not directly transmitted to the door surface, and the inner surface 11C is sealed. Corresponding to each partition wall 9, a plurality of (two in the figure) slits 14 provided so that heat is not transmitted through the steel plate inner door body 11 </ b> B between the heat insulating spaces where the temperature is set, and the inner door It is formed by injecting a foaming agent into the main body 11B. Is composed of a heat insulating material 15, heat insulating material 15 has a heat insulating structure filled inside the steel plate inner door body 11B. The lower cover 12 is formed with engagement pieces 12A and 12B that engage with the inside of the opening 11A while being attached to the lower portion of the inner door body 11B.

  The inner door 4 is assembled by attaching the lower cover 12 so as to cover the opening 11A in the inner door main body 11B, subsequently attaching the resin member 13, and attaching the resin member 13 and the lower cover 12 to each other. 11B is put in a mold, and then the heat insulating material 15 is formed by injecting a foaming agent into the interior formed by the inner door main body 11B and the lower cover 12. At this time, the lower cover 12 is fixed to the inner door body 11B by the filled heat insulating material 15.

Further, as another conventional inner door 4 structure, instead of the heat insulating material 15 by injecting a foaming agent, a urethane board is inserted into the inner door body 11B made of steel plate for heat insulation, or only the outer surface side of the inner door. There is also a method in which a steel plate inner door main body is configured and a urethane board is attached to the back surface (inner side) of the steel plate inner door main body for heat insulation. At this time, the urethane board is prepared and assembled into a plurality of parts such as parts located on both sides of the product discharge port 7.
JP 2002-117449 A

  In the structure of the inner door of the vending machine configured as described above, the inner door main body 11B is made of a steel plate, the foaming agent is injected to form the heat insulating material 15, and the inner door main body 11B made of steel plate and the heat insulating material. 15 is in close contact with the entire surface, so the disassembling performance at the time of disposal is poor, and when the vending machine is disposed of, the inner door 4 is separated, that is, the metallic parts such as the inner door main body 11B and the resin such as the heat insulating material 15 There is a problem that it is difficult to separate the plastic parts from the plastic parts. Moreover, since the inner door main body 11B is made of a steel plate and heat leakage is large, it is necessary to insulate between the inner surface 11C and the outer surface of the inner door main body 11B and the product storage portion 5, and a resin member for heat insulation. There is a problem that the production efficiency is poor, such as forming the slits 13 in the inner door main body 11B made of steel plate or forming the slits 14 on the inner door body 11B made of steel plate.

  Further, in the method of inserting and insulating the urethane board divided into a plurality of parts, it is necessary to prepare the urethane board by dividing it into parts of a necessary size, and there is a problem that the number of parts increases. Moreover, there was a problem that heat insulation performance was inferior compared with the method of injecting a foaming agent.

  Therefore, the present invention solves the above-described problems, and an object of the present invention is to provide an inner door of a vending machine that can improve separation performance while improving heat insulation performance, increase production efficiency, and reduce the number of parts.

In order to solve the above-described problem, the inner door of the vending machine according to claim 1 closes the front opening of the interior space of the heat insulating structure provided with the product storage unit, and stores the product from the product storage unit. It is an inner door of a vending machine with a product outlet for dispensing to the outlet,
Normally, the product discharge port is closed, and a product discharge port that opens the product discharge port when the product is discharged from the product storage unit, a resin discharge port door frame to which the discharge port door is attached, and a lower end The discharge port door frame is provided at a portion, and is constituted by a resin sheet-made inner door main body forming an outer frame of the inner door, the resin-made discharge port door frame, and the resin sheet-made inner door main body. It is characterized by comprising a heat insulating material formed by injecting a foaming agent into an internal space or an internal space constituted by an inner door body made of the resin sheet to which the outlet door frame is attached.

  According to this configuration, by making the inner door body made of a resin sheet, the thermal conductivity is lower than that of a steel plate, and the foaming agent is injected into the inner space formed by the inner door body. By forming the heat insulating material, an excellent heat insulating effect can be obtained, and it is not necessary to separate the inner door main body from the heat insulating material at the time of disposal, and the separation performance is improved. Also, since the inner surface of the inner door body facing the product storage section is formed of a resin sheet and has a high heat insulation effect, a slit is formed in the inner door body made of steel plate as in the past, or a resin member for heat insulation (the above resin There is no need to provide a member 13), and the production efficiency is improved. Furthermore, the number of parts is reduced as compared with a conventional method of inserting and insulating a urethane board divided into a plurality of parts.

  Further, in the inner door of the vending machine according to claim 2, the foaming agent is injected into the inner door body in a state in which a resin reinforcing member is partially disposed in the inner door body. It is formed by this.

  According to this configuration, the rigidity of the portion where a large force acts on the inner door main body is improved by the reinforcing member, and the reinforcing member is made of resin. Therefore, the reinforcing member, the inner door main body, and the heat insulating material are disposed at the time of disposal. There is no need for separation, and the entire inner door can be discarded.

  The inner door of the vending machine of the present invention is excellent by making the inner door body of the vending machine made of a resin sheet and injecting a foaming agent into the inner space formed by the inner door body to form a heat insulating material. A heat insulating effect can be obtained, and further, it is not necessary to separate the inner door main body and the heat insulating material at the time of disposal, and the separation performance can be improved.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that components having substantially the same functions as those of a conventional vending machine are denoted by the same reference numerals.
1 to 3 show the inner door of the vending machine in the present embodiment, and the inner door 18 shown in FIGS. 1 to 3 is attached to the vending machine body 1 in place of the conventional inner door 4. It is an inner door and its structure is improved.

  As shown in FIGS. 1 to 3, the inner door 18 normally closes the product discharge port 7 and opens a plurality of product discharge ports 7 when the product 6 is discharged from the product storage unit 5 (three in the figure). ), The resin outlet door frame 21 to which the outlet door 20 is respectively attached, and the outlet door frame 21 are fitted into the lower end portion to form the outer frame of the inner door 18 and provide rigidity. A resin sheet {e.g., a PET (polyethylene terephthalate) rigid plate-like sheet} inner door body 22, a resin outlet door frame 21, and a resin sheet inner door body 22. A heat insulating material 23 formed by injecting a foaming agent made of resin (for example, urethane resin) into the space and one side front surface (outer door 3 side) of the inner door main body 22 are fixed to the inner door main body 22. Can be attached to the vending machine body 1 and can be opened and closed freely. A pair of upper and lower metal hinges (mounting brackets) 24 and a resin hinge bracket (locking piece) 24A and the other side of the inner door main body 22 are fixed to the inner space by the inner door 18. The metal handle 25 for closing the front opening of 2 and the bracket (locking piece) 27 made of resin handle and the handle 28 rotatably attached to the handle bracket 25 and the handle bracket 27 It consists of and. The inner door main body 22 is composed of a front side member 22a in which the top, bottom, left and right side portions and the front portion are integrated, and a back side member 22b forming the back side.

  As shown in FIGS. 2 and 4, a pair of left and right rectangular square holes are provided on the front side member 22a of the inner door main body 22 at a location where the handle bracket 25 and the handle bracket bracket 27 are attached. 30 is formed. In addition, a hook portion 25a for hooking a part of the handle 28 is integrally formed on the handle bracket 25 so as to protrude forward (in a U-shaped cross section when viewed from the side), and the upper surface of the hook portion 25a. A mounting claw portion 25b that protrudes rearward from the portion, a hole 25c through which the mounting screw 29 is inserted, a receiving portion 25d that receives the handle 28 from the back side, and the like are also formed. An insertion hole 27a for inserting the 25 claw portions 25b and a screw hole 27b for screwing the mounting screw 29 are formed.

  Also, the hinge bracket 24A is made of a synthetic resin or the like having a certain degree of rigidity, and is formed across the side surface of the front side member 22a of the inner door body 22, as shown in FIG. It also serves as a reinforcing member that supports the inner door main body 22 at the mounting location.

  Further, as shown in FIG. 3, the resin outlet door frame 21 can be opened and closed only on the front side (outer door 3 side), and the outlet door 20 is closed. A locking member 21 </ b> A of the discharge port door 20 is provided horizontally at the lower end so that the product discharge port 7 can be closed.

  As shown in FIG. 5, the outlet door 20 is attached to the outlet door frame 21 and is made of a resin door main body 31 that opens and closes the product outlet 7, and a front side of the door main body 31 (outer door 3. Side) A plate-like body 32 made of polycarbonate (an example of resin) is heat-sealed so as to form a hollow state with the door body 31 over the entire surface. The lower end portion of the door body 31 is locked to the locking member 21A.

  In assembling the inner door 18 of the vending machine having the above-described configuration, the hinge bracket 24A and the handle bracket 25A are fixed in the inner door body 22, and the resin outlet door frame 21 is fixed to the inner lower end. A wooden frame is provided around the inner door body 22 to prevent the inner door body 22 from expanding when a foaming agent is injected in a subsequent process, and a foaming agent is injected into the inner space of the inner door body 22 to insulate the inner door body 22. 23, and finally, a pair of upper and lower hinges 24 are attached to the hinge bracket 24A by screws 26, and the handle bracket 25 is loosely fitted between the hook portion 25a and the receiving portion 25d. The claw portion 25b is inserted and hooked into the insertion hole 27a of the handle bracket bracket 27 attached to the back surface of the inner door main body 22, and then the attachment screw 29 is passed through the hole 25c of the handle bracket 25. By screwing the screw holes 27b of the handle bracket bracket 27, attached to handle 28 and handle bracket 25 in the handle fitting bracket 27 is made by attaching the outlet door 20 to the outlet door frame 21.

  Further, the inner door body 22 is constituted by a front side member 22a and a back side member 22b, and a foaming agent is injected in a state in which these members are disposed in the wooden frame, whereby the front side member 22a is interposed via the foaming agent. And the back side member 22b are integrally fixed.

  As described above, by making the inner door main body 22 made of resin, the thermal conductivity is lower than that made of steel plate, and a foaming agent is injected into the internal space formed by the inner door main body 22. By forming the heat insulating material 23, an excellent heat insulating effect can be obtained. Furthermore, by making the inner door main body 22 and the heat insulating material 23 from resin, it is not necessary to separate them into iron and plastic at the time of disposal, and the separation performance can be improved. Further, by making the outlet door frame 21 and the hinge bracket 24A and the handle bracket 27 made of resin, it is not necessary to separate the outlet door frame 21 together with the inner door main body 22 and the heat insulating material 23 at the time of disposal. Separation performance can be improved. Moreover, since the inner surface of the inner door main body 22 facing the product storage portion 5 is made of resin and has a high heat insulating effect, a slit is formed on the inner door main body made of steel plate as in the past, or a heat insulating resin member (above It is not necessary to provide the resin member 13), and the production efficiency can be increased. Furthermore, the number of parts can be reduced as compared with the conventional method of inserting and insulating the urethane board divided into a plurality of parts, and the production efficiency can be increased.

  In addition, a heat insulation effect can be obtained by heat-sealing the resin plate-like body 32 at the outlet door 20 to form a hollow state between the door main body 31 and the product discharge from the interior space 2. Heat can be prevented from escaping through the outlet 7, and the temperature of the interior space 2 can be kept more constant.

  Further, since both the front side member 22a and the back side member 22b constituting the inner door main body 22 have low thermal conductivity, the resin member 13 that prevents transmission between the front side and the back side of the inner door as in the prior art. Can be made unnecessary.

  In the present embodiment, the heat insulating material 23 is formed by injecting a foaming agent into the internal space constituted by the resin outlet door frame 21 and the resin inner door body 22. A foaming agent is injected into an internal space constituted by an inner door main body 22 made of a resin sheet to which the outlet door frame 21 is attached to form a heat insulating material 23 and a square hole for attaching the outlet door frame 21 is formed. And you may make it attach the discharge port door frame 21 which assembled | attached the discharge port door 20 to this square hole.

  In the present embodiment, different resins are used for the inner door main body 22 and the heat insulating material 23, but it is not always necessary to use different types of resins, and they have predetermined heat insulating performance and rigidity. If it can be used as a foaming agent, the same type of resin material may be used, which makes the post-processing easier.

It is a front view of the inner door of the vending machine in the embodiment of the present invention. It is the top view and principal part expanded sectional view of the inner door. It is the principal part sectional side view and principal part expanded sectional view of the same inner door. It is the principal part sectional front view and sectional drawing of the handle of the inner door. It is the front view and principal part sectional drawing of the goods discharge door of the inner door. It is a perspective view of the state which opened the outer door and the inner door of the vending machine. It is the assembly and longitudinal cross-sectional view of the inner door of the conventional vending machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vending machine main body 2 Interior space 5 Goods storage part 6 Goods 7 Goods discharge outlet 9 Partition wall 10 Goods outlet 18 Inner door 20 Outlet door 21 Outlet door frame 22 Inner door main body 23 Heat insulating material 24 Hinge 25 Handle metal fittings 27 Bracket for handle bracket 28 Handle 31 Door body of outlet door 32 Plate

Claims (2)

It is an inner door of a vending machine that closes the front opening of the interior space of the heat insulating structure provided with the product storage unit and opens a product discharge port for discharging the product from the product storage unit to the product outlet. There,
Normally, the product outlet is closed, and an outlet door that opens the product outlet when the product is paid out from the product storage unit;
A resin outlet door frame to which the outlet door is attached;
The outlet door frame is provided at the lower end, an inner door body made of a resin sheet that forms the outer frame of the inner door,
In an internal space constituted by the resin outlet door frame and the resin sheet inner door body, or an inner space constituted by the resin sheet inner door body to which the outlet door frame is attached, An inner door of a vending machine comprising a heat insulating material formed by injecting a foaming agent. The foaming agent is formed by injecting the foaming agent into the inner door body in a state where a resin reinforcing member is partially disposed in the inner door body. The inner door of the vending machine.

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