JP2013155899A - Refrigeration unit for agricultural product cold storage box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a configuration that can easily and inexpensively attach and remove an exterior panel for keeping pressure inside to and from a resin-made panel repeatedly without causing resin cracks, or the like, although a vertically-pressing pressure is generated in a heat insulation part to keep the air tightness of a cooling part, in a refrigeration unit for an agricultural product cold storage box disposed on the ceiling surface of the agricultural product cold storage box for storing agricultural products.SOLUTION: A refrigeration unit for an agricultural product cold storage box includes: a resin-made base 2; a lower heat insulation part 4 formed of heat insulation material, and held by the resin-made base 2 under a cooler 3; an upper heat insulation part 5 engaging with the lower heat insulation part; and an exterior panel 6 arranged to press down the heat insulation material from above, and fixed to the resin-made base 2. As for the resin-made base 2 and the exterior panel 6, the exterior panel 6 is fixed by a hook 9 formed at the resin-made base 2.

Description

  The present invention relates to a refrigeration unit for an agricultural product cooler installed on a ceiling surface of an agricultural product cooler that refrigerates agricultural products.

  Conventionally, this type of refrigeration unit for agricultural product refrigerators has a structure in which the outer structure is made of sheet metal, and an outer panel is formed on the base of the lower part of the outer shell and the upper part of the outer shell to protect the cooling device and the like. (For example, refer to Patent Document 1).

  Hereafter, the conventional refrigeration unit for agricultural products cold storage described in patent document 1 is demonstrated, referring drawings. 5 to 7 show a conventional refrigeration unit for agricultural product cold storage described in Patent Document 1. FIG. As shown in FIGS. 5 and 6, the conventional refrigeration unit 21 has an iron base 22, a cooler 23, and a lower side of the cooler, and an opening 25 through which cool air is sent into the cool box. Is formed of a lower heat insulating portion 26 held by a base, an upper heat insulating portion 27 surrounding the cooler 23 from above, and an exterior panel 24 serving as an upper portion of the outer shell.

  As shown in FIG. 7, the agricultural product cooler includes a refrigeration unit 21 on the upper part of a highly heat-insulated cooler main body 28 having a door on the front surface, and the cooling air is supplied to the top surface 29 of the cooler cooler main body 28 shown in FIG. It is comprised so that it may flow in in a store | warehouse | chamber from the opening (not shown).

  As shown in FIGS. 5 and 6, the internal structure of the refrigeration unit 21 is a base 22 at the bottom, and the cooling side sucks in the air in the cool box and discharges it after cooling. Is provided with an opening 25 opposite to the opening of the top surface 29 of FIG.

  Further, the cooling air on the cooling side flows as shown by the arrows in FIG. 6, and the periphery of the cooler 23 is surrounded by a lower heat insulating portion 26 and an upper heat insulating portion 27 formed of foaming material or the like.

  The lower heat insulating part 26 presses the sealing material 30 for fitting with the cool box body 28, and the pressure by the pressing improves the close contact between the lower heat insulating part 26 and the upper heat insulating part 27. Further, the pressure is applied to the outer exterior panel 24, and the exterior panel 24 is fixed by an iron base 22 and a screw 31, and the pressure can be confined.

  As described above, the outer structure of the refrigeration unit 21 is configured so that the confidentiality of the cooling unit can be more reliably maintained by fixing the outer insulating panel 24 so as to wrap the inner heat insulating material.

JP 2001-241834 A

  However, in the conventional configuration, when the base material is replaced with a resin material from iron, the resin material is weak against concentrated force, and the force is concentrated on the screw when fixing with a screw or the like. Deformation occurs at the screw part. Also, in order to distribute the force, the number of screws must be increased relative to the sheet metal.

  In addition, a resin base that has a large area and has many parts on it uses a mold that can be broken in the vertical direction, but in order to attach a screw, it is necessary to make a hole in the lateral direction of the resin. Since it is necessary to provide a large number of laterally extending portions, the resin mold becomes complicated and expensive.

  Also, when repairing the cooling unit, etc., it is necessary to remove the exterior panel, and removing and retightening the screw makes the screw resin side stupid, and the base must be replaced during repair maintenance. Had.

  The present invention solves the above-described conventional problems, and the resin base is not easily deformed or cracked even when the exterior panel receives a force from the inside, and the resin base is not easily loaded even during repair maintenance. An object of the present invention is to provide a refrigeration unit for an agricultural product refrigerator that can attach and detach exterior panels, obtain a clean appearance without seeing many screw heads and the like, and reduce the cost of a resin mold.

  In order to solve the above-mentioned conventional problems, the refrigeration unit for agricultural product cold storage according to the present invention comprises a resin base that is located at the bottom and installs the components of the refrigeration unit, and a heat insulating material that insulates the lower side of the cooler A lower heat insulating part held by the base, and an upper side made of a heat insulating material and fitted on the lower heat insulating part and fitted with the lower heat insulating part to insulate the cooler together with the lower heat insulating part A heat insulating portion; a U-shaped exterior panel installed so as to cover the upper heat insulating material from above the base; and an exterior side panel attached to a side surface of the exterior panel; the base and the exterior panel; In mounting, the base is connected to the hooking portion so as to sandwich the wall surface contacting the inner surface of the exterior panel, the hook portion protruding from the wall surface, and the wall surface and the exterior panel. The exterior panel is provided with a notch that fits into the hook portion, and the notch is wider than the position of the exterior panel than the installation position of the exterior panel at the width of the hook portion. When the exterior panel is cut vertically from the lower part of the exterior panel, and further horizontally cut to a position where the hooking portion is fitted at the installation position of the exterior panel, when the exterior panel is installed on the base Further, by inserting the hooking portion into the notch in the vertical direction to the installation height position of the exterior panel, and then sliding the exterior panel to the installation position in the horizontal direction, A structure in which a horizontal part is fitted and the exterior panel does not move in the vertical direction, and the exterior side panel hits the side surface of the base by being attached to the exterior panel, and the exterior panel does not move in the lateral direction. It was was.

  With the above configuration, even if a load is applied to the exterior panel by hooking, the resin does not easily deform or crack, and even if the number of hooks is increased, the number of parts does not increase and it is easy It is also possible to increase the strength.

  Further, in the refrigeration unit for agricultural product cold storage according to the present invention, the small wall surface has a width more than twice the width of the hook so that the cut of the exterior panel cannot be seen from the outside of the refrigeration unit. .

  With the above-described configuration, since a large number of screw heads can be seen and the cuts of the exterior panel can be hidden, a clean appearance can be obtained and design can be improved.

  Further, the refrigeration unit for agricultural product cold storage of the present invention is provided with a claw by resin molding on the base at the contact portion of the exterior side panel and the base, and when the exterior panel slides, the fitting portion of the exterior side panel is It fits into the nail so that the exterior panel does not move laterally.

  With the above configuration, since the exterior panel and the exterior side panel are attached in advance and are fixed to the claws simply by sliding in the horizontal direction when being fixed to the resin base, the exterior panel can be easily fixed.

  Since the refrigeration unit for agricultural product cold storage of the present invention has a structure that can be easily attached and detached by hooking, there is no need to attach mounting parts such as screws, and it is possible to reduce material costs, assembly man-hours, etc. In this molding, since a screw hole or the like is not necessary, the resin mold can be manufactured only by the vertical split mold, so that the mold cost can be reduced.

The disassembled perspective view of the refrigeration unit for agricultural products cold storage in Embodiment 1 of this invention Partial enlarged perspective view of base and exterior panel fitting part used in refrigeration unit for agricultural product cold storage of the embodiment The partial expansion perspective view of the base and exterior panel fitting part which were used for the refrigeration unit for agricultural products cold storage in Embodiment 2 of this invention The perspective view of the refrigeration unit for agricultural products cold storage in Embodiment 3 of this invention Parts layout of conventional refrigeration unit for agricultural product cold storage Sectional view of the heat insulation part of a conventional refrigeration unit for agricultural product cold storage External perspective view of a conventional agricultural product cold storage door opened

  A first invention is a refrigeration unit for an agricultural product refrigerator that is installed on a ceiling surface of an agricultural product refrigerator that refrigerates agricultural products, and is a resin base that is located in the lower part and in which components of the refrigeration unit are installed, and a heat insulating material A lower heat insulating portion that is insulated from the lower side of the cooler and is held by the base, and a lower heat insulating member that is made of a heat insulating material and is fitted to the lower heat insulating portion on the lower heat insulating portion. An upper heat insulating part that insulates the cooler together with a part, a U-shaped outer panel installed so as to cover the upper heat insulating material from the base, and an outer side panel attached to a side surface of the outer panel. And mounting the base and the exterior panel so that the base sandwiches the wall surface contacting the inside of the exterior panel, a hook portion protruding from the wall surface, and the wall surface and the exterior panel. It is composed of a small wall surface connected to the hook portion, and the exterior panel is provided with a notch that fits into the hook portion, and the notch is wider than the position of the exterior panel at the width of the hook portion. Cut vertically from the lower part of the exterior panel at a position shifted beyond the width of the hook part, and further horizontally cut to a position where the hook part is fitted at the installation position of the exterior panel, When the panel is installed on the base, the hook is inserted into the cutout in the vertical direction up to the installation height position of the exterior panel, and then the exterior panel is slid in the horizontal direction to the installation position. The horizontal part of the notch is fitted to the hanging part and the exterior panel does not move in the vertical direction, and the exterior side panel is attached to the exterior panel so as to hit the side surface of the base and the exterior panel. Le is obtained by a configuration in which not move laterally.

  In the above configuration, since the exterior panel is fixed to the resin by hooking, even if a load is applied to the exterior panel, the resin does not easily deform or crack, and the number of hooks can be increased. However, the number of parts does not increase and the strength can be easily increased. In addition, even if it is repeatedly attached and detached, it is difficult to cause deformation and cracking, and repair maintenance can be easily performed.

  In a second aspect of the invention, in the first aspect of the invention, the small wall surface has a width that is at least twice the width of the hook so that the cut of the exterior panel cannot be seen from the outside of the refrigeration unit. is there.

  In the above configuration, since a large number of screw heads are not visible and the cutout of the exterior panel can be hidden, a clean appearance can be obtained and design can be improved.

  According to a third aspect of the present invention, in the first aspect of the invention, in particular, a claw formed by resin molding is provided on the base at a contact portion between the exterior side panel and the base, and the mating portion of the exterior side panel is disposed when the exterior panel slides. It fits into a nail and prevents the exterior panel from moving in the lateral direction.

  In the above configuration, the exterior panel and the exterior side panel are attached in advance, and are fixed to the claws simply by sliding in the horizontal direction when being fixed to the resin base. Therefore, the exterior panel can be easily fixed.

  Hereinafter, an embodiment of a refrigeration unit for agricultural product cold storage according to the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows an exploded perspective view of a refrigeration unit for agricultural product cold storage in Embodiment 1 of the present invention. FIG. 2 shows a partially enlarged perspective view of the base and the exterior panel fitting portion used in the refrigeration unit for agricultural product cold storage according to the embodiment.

  As shown in FIG. 1, the refrigeration unit for agricultural product cold storage in the present embodiment is composed of a resin base 2 on which a component part of the refrigeration unit 1 is installed at the lower part, and a lower side of the cooler 3 made of foam insulation. The lower heat insulating portion 4 that is insulated from and is held by the resin base 2, and the lower heat insulating portion 4 that is made of foam heat insulating material and is fitted to the lower heat insulating portion 4 on the lower heat insulating portion 4. In addition, an upper heat insulating portion 5 that insulates the cooler 3, an exterior panel 6 that constitutes an outline of the refrigeration unit 1 together with the resin base 2, and an exterior side panel 7 are provided.

  The portion of the resin base 2 that holds the lower heat insulating portion 4 is installed so that the periphery of the lower heat insulating portion 4 is placed on the resin base 2, and the lower heat insulating portion 4 can move upward. .

  Further, the upper heat insulating portion 5 and the lower heat insulating portion 4 are fitted so as to sandwich the cooler 3, the upper heat insulating portion 5 is pressed from above with the exterior panel 6, and the exterior panel 6 is fixed to the resin base 2. .

  On the lower surface of the resin base 2, a foamed resin foam is attached to the lower surface of the lower heat insulating part 4, and is in close contact with the air intake opening of the housing for storing the crop to be cooled, and cooled by a cooler sandwiched between the heat insulating parts The air to be sent is blown into the inside of the housing through the inside of the close contact portion of the lower heat insulating portion 4 with the housing.

  As shown in FIG. 2, the resin base 2 has a wall surface 8 positioned inside the exterior panel 6 and positioned around the lower heat insulating portion 4, and a hook portion 9 and a hook portion protruding from the wall surface. The exterior panel 6 has a vertical cut 11 from the bottom and a horizontal cut 12 that bends horizontally, and the width of the cut is the length of the hook 9 and Corresponding to the width in the horizontal direction, the vertical cut 11 is set to be slightly wider than the horizontal width, and the horizontal cut 12 is set slightly wider than the vertical.

  The operation | movement and effect | action are demonstrated about the refrigeration unit for agricultural products cold storage of this Embodiment comprised as mentioned above.

First, the vertical notch 11 of the exterior panel 6 is inserted into the hooking portion 9 of the resin base 2, and then the exterior panel 6 is slid in the horizontal direction so that it is pulled into the horizontal notch 12 of the exterior panel 6. The hanging portion 9 is engaged, and the exterior panel 6 does not move in the vertical direction.

  When the refrigeration unit 1 is installed, the foamed resin foam below the heat insulating material is compressed so as to be in close contact, but the repelling force of the compression is transmitted to the external panel 6 through the heat insulating material, and the external panel 6 has a housing. A force for pulling up the resin base 2 fixed to the body upward is generated.

  Therefore, the horizontal cuts 12 of the exterior panel 6 fitted to the hooks 9 are supported by the hooks 9 of the resin base 2. Moreover, since the resin base 2 contacts the inside of the exterior side panel 7 by the exterior side panel 7 attached later, the exterior panel 6 does not move left and right.

  As described above, in the present embodiment, since it is fixed to the hooking portion 9 of the resin base 2 in the vertical direction, it is possible to receive an upward load generated in the exterior panel 6.

  Further, no fixing parts such as screws are required, and the number of parts can be reduced and the cost can be reduced.

  When using a screw or the like, since the force that pulls the exterior panel 6 upward is applied, stress other than tightening is applied to the screw, and the resin that serves as the pilot hole of the screw is deformed, and the screw A fool or the like is generated, or a screw fool or the like is similarly generated even if the screw is repeatedly reset for repair maintenance or the like.

  However, in the present specification in which only a part of the exterior panel 6 is hooked, the hook portion 9 is not easily deformed even if the exterior panel 6 is repeatedly attached and detached.

(Embodiment 2)
FIG. 3: shows the partial expansion perspective view of the base and exterior panel fitting part which were used for the refrigeration unit for agricultural products cold storage in Embodiment 2 of this invention.

  In the present embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  In the present embodiment, the small wall surface 13 is expanded from the configuration of the first embodiment to at least twice the lateral width of the hook portion 9.

  As shown in FIG. 3, the resin base 2 has a wall surface 8 located inside the exterior panel 6 and around the lower heat insulating portion 4, and is hooked with a hook portion 9 protruding from the wall surface 8. The small wall surface 13 is connected to the portion 9, and the small wall surface 13 has a width that is twice or more the lateral width of the hook portion 9.

  The operation | movement and effect | action are demonstrated about the refrigeration unit for agricultural products cold storage of this Embodiment comprised as mentioned above.

  In the resin base 2 of the present embodiment, since the small wall surface 13 is set to be twice or more the lateral width of the hook portion 9, the vertical cut 11 of the exterior panel 6 is not visible from the outside, and the appearance of the refrigeration unit 1 Will improve.

  As described above, in the refrigeration unit for agricultural product cold storage of the present embodiment, in addition to the effects of the first embodiment, the stress is dispersed by expanding the width of the small wall surface 13 compared to the first embodiment. And can handle larger stresses.

(Embodiment 3)
FIG. 4 shows a perspective view of a refrigeration unit for agricultural product cold storage in Embodiment 3 of the present invention.

  In the present embodiment, the same components as those in the first and second embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

  In the present embodiment, a claw 14 formed by resin molding is provided on the resin base 2 at the contact portion between the exterior side panel 7 and the resin base 2 from the configuration of the first embodiment. The fitting portion 15 of the panel 7 is fitted into the claw 14 so that the exterior panel 6 does not move in the lateral direction.

  As shown in FIG. 4, the claws 14 are provided on the fitting base 15 such as a hole in the exterior side panel 7 and the resin base 2 in accordance with the position.

  The operation | movement and effect | action are demonstrated about the refrigeration unit for agricultural products cold storage of this Embodiment comprised as mentioned above.

  In the resin base 2 of the present embodiment, when the exterior panel 6 is attached, the claw 14 enters the fitting portion 15 when moving in the horizontal direction with the last slide, and after the deformation by the elasticity of the resin, the exterior panel 6 installation position Thus, the claw 14 is caught and the exterior panel 6 does not move in the horizontal direction.

  As described above, in the refrigeration unit for agricultural product cold storage according to the present embodiment, in addition to the effects of the first embodiment, the claws 14 to be fitted to the fitting portion 15 of the exterior side panel 7 are provided as compared with the first embodiment. By installing on the resin base 2, the exterior side panel 7 is attached to the exterior panel 6 before being attached to the resin base 2, so that the exterior side panel 7 is moved in the horizontal direction when the exterior panel 6 is attached. The exterior panel 6 is also fixed. Man-hours can be reduced.

  The refrigeration unit for agricultural product cold storage according to the present invention can be installed without worrying about deformation of the resin, etc., when it is combined with resin parts, and it can be installed without worrying about deformation of the resin. When a long-term refrigeration unit such as a refrigeration unit is used and a corrosive substance generated from water or food is cooled, repair and maintenance of the refrigeration unit is necessary, so that it can be applied to a wide range of refrigeration units.

DESCRIPTION OF SYMBOLS 1 Refrigeration unit 2 Resin base 3 Cooler 4 Lower heat insulation part 5 Upper heat insulation part 6 Exterior panel 7 Exterior side panel 8 Wall surface 9 Hook part 10 Small wall surface 11 Vertical cut 12 Horizontal cut 13 Small wall 14 Claw 15 Intersection

Claims (3)

A refrigeration unit for an agricultural product refrigerator that is installed on the ceiling surface of an agricultural product refrigerator that refrigerates agricultural products. A lower heat insulating part that is insulated by the side and held by the base, and is arranged to be fitted with the lower heat insulating part on the lower heat insulating part made of a heat insulating material, and the cooler together with the lower heat insulating part. An upper heat insulating portion for heat insulation, a U-shaped outer panel installed so as to cover the upper heat insulating material from the base, and an outer side panel attached to a side surface of the outer panel, the base and the In mounting with the exterior panel, the base has a wall surface in contact with the inside of the exterior panel, a hook portion protruding from the wall surface, and the hook portion so as to sandwich the wall surface and the exterior panel. The exterior panel is provided with a notch that fits into the hook part, and the notch is wider than the installation position of the exterior panel with the width of the hook part. Cut vertically from the lower portion of the exterior panel at a position shifted beyond the width, and further horizontally cut to a position where the hooking portion is fitted at the installation position of the exterior panel, and the exterior panel is cut into the base When installing, the hooking portion is inserted into the notch vertically into the installation height position of the exterior panel, and then the exterior panel is slid in the horizontal direction to the installation position so that the cutout portion is inserted into the hooking portion. The exterior panel does not move up and down due to the fitting of the horizontal part of the notch, the exterior side panel hits the side of the base by attaching to the exterior panel, and the exterior panel is in the lateral direction Immobile structure and the agricultural products refrigerator for refrigeration unit. The refrigeration unit for agricultural product cold storage according to claim 1, wherein the small wall surface has a width equal to or larger than twice the width of the hook so that the cut of the exterior panel cannot be seen from the outside of the refrigeration unit. A claw formed by resin molding is provided on the base at a contact portion between the exterior side panel and the base, and when the exterior panel is slid, a fitting portion of the exterior side panel is engaged with the nail, and the exterior panel is in a lateral direction. The refrigeration unit for agricultural product cold storage according to claim 1, which is prevented from moving.