JPH06147724A - refrigerator - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a refrigerator with excellent recyclability by allowing the refrigerator main body and the condenser pipe to be easily separated at the time of disposal. [Structure] A foam insulation material is filled between the outer box and the inner box to form a heat insulating box body, and a meandering condenser pipe is built in the heat insulating material side of the outer box, and the U-turn part on one side of the meandering part is insulated. The structure is exposed on the outside of the box, or the outer box of the U-turn part on one side is subjected to mold release processing so that it can be easily peeled off. Do not apply adhesive, etc. to the part that prevents the condenser pipe from being pulled out. Further, the exposed part is covered with a decorative plate or the like.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator which is provided with a foam insulation material between an outer box and an inner box to form a heat insulation box, and a condenser pipe is built in the heat insulation side of the outer box. Regarding the structure.

[0002]

2. Description of the Related Art In a conventional refrigerator, after a condenser pipe is fixed to the back surface of an outer box by using a heat conductive material such as aluminum foil, in order to simplify the structure and improve the appearance of the condenser,
A foam insulation material was filled between the outer box and the inner box to form a heat insulation box. However, in such a method, it takes a lot of time and effort to separate the refrigerator body and the recyclable condenser pipe and the like.

Further, for example, JP-A-57-62383.
According to the above, as shown in FIG. 8, a sheet-shaped or film-shaped adhesive 16 cut into almost the same size as the outer box 3 is placed on the outer box 3, and if necessary, heat-sealing or tape is used. After fixing, the condenser pipe 4 is set at a predetermined position on the adhesive side, and heat-pressed from above and below with a heat press jig, so that the adhesive 16 is softened and the condenser pipe 4 is adhered to the outer box 3. It had been. In this way, the condenser pipe 4
Foam insulation 5 combining outer box 3 and inner box 2
And the heat-insulating box body 1 was formed. In such a method, in order to separate the refrigerator main body and the condenser pipe, it was necessary to peel off the outer box from the heat insulating material, and further to remove the condenser pipe firmly fixed to the peeled outer box.

Due to such troubles, even recyclable parts have the drawback that they are discarded together with parts that are difficult to recycle.

[0005]

Recycling of waste, such as the enactment of the Recycling Law that promotes effective use of resources and reduction of waste, while the waste disposal capacity is approaching the limit, especially in metropolitan areas. The need to consider gender is increasing,
The adoption of structures and materials that facilitate recycling is encouraged.

In the above-mentioned prior art, the condenser pipe is embedded in the heat insulating box body, and it is difficult to separate the condenser pipe from the heat insulating box body for recycling. However, there was a problem that the structure was not designed for recycling.

The present invention solves the above problems of the prior art,
It is to provide a refrigerator having excellent recyclability.

[0008]

According to the first aspect of the present invention, as a means for solving the above problems, a foamed heat insulating agent is filled between an outer box and an inner box to form a heat insulating box body. A condenser pipe, which is formed and arranged on the side of the heat insulating material of the box, meanders, and a U-turn portion on one side of the meandering portion is exposed to the outside of the heat insulating box.

According to the second aspect of the present invention, a decorative plate is formed on the rear surface of the box body by forming a concave portion on the rear surface of the box body from the substantially bottom surface to the ceiling portion, closing the concave portion, and forming a heat radiation path on the rear surface of the box body. However, the condenser pipe U turn portion is exposed in the heat radiation path.

According to the third aspect of the present invention, the U-turn portion on the non-exposed side of the condenser pipe that fixes the condenser pipe to the back surface of the outer box and meanders the adhesive of the heat conducting member having a size of the outer box. Is applied only to the outside of the.

According to the fourth invention, a foam insulation material is filled between the outer box and the inner box to form a heat insulation box body, and a condenser pipe meandering to the heat insulation material side of the outer box is arranged. Which has a heat conducting member (aluminum tape or the like) coated with an adhesive agent on the condenser fixed side and a release agent on the heat insulating material contact side, on the U-turn portion on the back plate side of the condenser. Is.

According to the fifth aspect of the present invention, the U-turn portion of the front side of the condenser pipe, which fixes the condenser pipe to the back surface of the outer box and meanders the adhesive of the heat conducting member having the size of the outer box, is formed. It is applied only on the outside.

[0013]

According to the present invention, a foam insulation material is filled between the outer box and the inner box to form a heat insulating box body, and a condenser pipe meandering to the heat insulating material side of the box body is arranged. However, the U-turn part on one side of the meandering part is exposed to the outside of the heat-insulating box, or the outer box of the U-turn part on one side can be easily peeled off, and an adhesive is applied to the part that prevents the condenser pipe from being pulled out. Since the above is not applied, the condenser pipe can be easily separated from the heat insulating box by pulling out the exposed portion at the time of disposal. Furthermore, by covering the exposed portion with a decorative plate or the like, it is possible to improve the appearance and prevent damage to the condenser pipe during installation and movement.

Further, as described above, the heat insulating box and the condenser pipe can be separated and discarded, which is excellent in recyclability.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIGS. Figure 1
Is a first embodiment in which the condenser pipe 4 is arranged on the side surface of the refrigerator. 2 is a cross-sectional view of FIG. 1, and FIG. 3 is a cross-sectional view of a main part of a condenser attachment part. Reference numeral 6 denotes a heat conducting member (aluminum foil or the like) for fixing the condenser pipe 4 to the foam heat insulating material 5 side of the outer box 3, and the unexposed side U of the meandering condenser pipe 4 as shown in FIG.
An adhesive 7 is applied to the outer side 6a of the turn portion. The U-turn portion 4a on the rear side of the condenser pipe is in contact with the outer casing rear plate 8 at a position exposed to the outside of the foamed heat insulating material 5. Outer box 3
A foam insulating material 5 is filled between the inner box 2 and the inner box 2. According to this configuration, when the refrigerator is discarded, no adhesive is applied to a portion that prevents the condenser pipe 4 from being pulled out, and the condenser pipe 4 is insulated by pulling out the exposed portion of the heat insulating material 5 rearward. It can be separated from the box body 1.

FIG. 4 shows a second embodiment. FIG. 5 is a cross-sectional view of FIG. Reference numeral 9 is a concave portion provided in a range from the substantially bottom surface of the back surface of the heat insulating box 1 to the ceiling portion. Reference numeral 11 denotes a heat radiation path formed by a decorative plate 10 that closes the recess 9 and is fixed to the back surface of the box body, and exposes the condenser pipe back surface side U-turn portion 4a in the heat radiation path 11. According to this structure, the exposed portion of the condenser pipe U-turn portion 4a is prevented from being damaged during installation and movement, and the exposed portion of the condenser pipe 4 is masked by the decorative plate 10, so that the appearance is designed. Good nature. Further, since the heat dissipation path 11 is formed on the back surface of the box body, the heat dissipation space of the compressor 13 installed in the machine room 12 at the bottom of the heat insulating box 1 can be secured, so that the efficiency of the compressor can be improved. At the time of disposal, the rear decorative plate 10 can be removed and the condenser pipe 4 can be pulled out.

FIG. 6 shows a third embodiment. FIG. 7 is a cross-sectional view of FIG. A condenser 4 is arranged on the side of the heat insulating material 5 on the side surface of the outer box 3. Reference numeral 15 is a heat conducting member, and the adhesive material 7 is applied to one side and the release agent 14 is applied to the other side. The heat conducting member 15 covers the entire surface of the U-turn portion 4a on the back plate side of the condenser pipe 4 arranged on the side surface of the outer box, and is attached to the outer box 3 with the adhesive material 7 application side being the condenser pipe 4 side. is there. Reference numeral 6 denotes a heat conducting member that covers the condenser pipe 4 except for the heat conducting member 15 described above, and the mold release treatment is not applied to the contact side of the heat insulating material 5. By filling the space between the inner box 2 and the outer box 3 with the foamed heat insulating material 5 according to this configuration, the condenser pipe 4 is embedded in the heat insulating box 1. According to the present embodiment, when the refrigerator is discarded, the rear side surface of the outer box is composed of the heat conducting member 15 which has been subjected to the above-mentioned mold release treatment, so that the heat insulating material 5 is not adhered to the outer box. The side plate can be peeled off to the condenser pipe U-turn portion 4a, and the condenser pipe 4 can be removed from the U-turn portion 4a.
Can be pulled out.

[0018]

As described above, according to the present invention, the entire surface of one side of the U-turn portion of the meandering portion of the condenser pipe attached to the side surface of the outer box is exposed to the outside of the heat insulating material. It can be separated from the heat insulating box by pulling out the condenser pipe starting from the meandering portion.

Further, the concave portion extending from the substantially bottom surface formed on the back surface of the box body to the ceiling portion is closed, and the condenser pipe U-turn portion is exposed to the heat radiation path formed by fixing the decorative plate on the back surface of the box body. Therefore, not only is the exposed portion of the condenser pipe prevented from being damaged during installation or movement, but also the exposed portion of the condenser pipe is masked by the decorative plate, so that the appearance is good in design. Furthermore, since the heat dissipation path is formed on the back of the box,
Since the heat radiation space of the compressor installed in the machine room at the bottom of the heat insulating box can be secured, the efficiency of the compressor can be improved. At the time of disposal, it is possible to remove the rear decorative plate and pull out the condenser pipe.

Further, the adhesive of the heat conducting member having the size of the outer box, which fixes the condenser pipe to the back surface of the outer box, is applied only to the outside of the U-turn portion on the non-exposed side of the meandering condenser pipe. Since this is the case, no adhesive or the like is applied to the portion that prevents the condenser pipe from being pulled out, and the condenser pipe can be easily pulled out from the heat insulating box.

Further, in the one in which a foam insulation material is filled between the outer box and the inner box to form a heat insulation box body, and a condenser pipe meandering to the heat insulation material side of the outer box is arranged. Since a heat conducting member (aluminum tape or the like) coated with an adhesive agent on the condenser fixed side and a release agent on the heat insulating material contact side is attached to the U-turn part on the back plate side of the condenser, the inner box The condenser pipe is embedded in the heat insulating box body by filling the foam heat insulating material between the outer box and the outer box. Also, when the refrigerator is discarded, since the side surface of the outer box is composed of the heat conducting member subjected to the above-mentioned release treatment, the outer box does not have the heat insulating material adhered to the condenser pipe U turn section. It can be easily peeled off
It is possible to pull out the condenser pipe from the turn part.

Further, a condenser pipe is fixed to the back surface of the outer box, and the adhesive of a heat conducting member having a size of the outer box is applied only to the outside of the U-turn part on the front side of the meandering condenser pipe. Therefore, since the adhesive or the like is not applied to the portion which prevents the condenser pipe from being pulled out, the condenser pipe can be easily separated from the heat insulating box by pulling the exposed portion to the back side at the time of disposal.

[Brief description of drawings]

FIG. 1 is a side view of a refrigerator according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

3 is a cross-sectional view taken along the line BB of FIG.

FIG. 4 is a side view of the refrigerator according to the embodiment of the present invention.

5 is a cross-sectional view taken along the line CC of FIG.

FIG. 6 is a side view of the refrigerator according to the embodiment of the present invention.

7 is a cross-sectional view taken along the line DD of FIG.

FIG. 8 is a sectional view of a main part of a conventional refrigerator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Insulation box body, 2 ... Inner box, 3 ... Outer box, 4 ... Condenser pipe, 4a ... Condenser pipe back side U turn part, 5 ... Foam heat insulating material, 6 ... Heat conduction member, 6a ... Adhesive Applied part, 7 ... Adhesive, 8 ... Back plate, 9 ... Recessed part, 10 ... Decorative plate, 11 ... Heat dissipation path, 12 ... Machine room, 13 ... Compressor, 14 ... Release agent, 15 ... Release agent The applied heat conductive member, 16 ... Adhesive.

Claims (5)

[Claims] Claim: What is claimed is: 1. A foam insulation material is filled between an outer box and an inner box to form a heat-insulating box body, and a meandering condenser pipe is arranged on the heat-insulating material side of the outer box. A refrigerator characterized in that the entire one side of the U-turn portion of the meandering portion of the condenser pipe is exposed to the outside of the heat insulating material. 2. A concave plate extending from a substantially bottom surface to a ceiling is formed on the back surface of the box body, the concave part is closed, and a decorative plate forming a heat radiation path on the back surface of the box body is fixed to the back surface of the box body. The refrigerator according to claim 1, further comprising a condenser pipe U-turn portion. 3. A condenser pipe is fixed to the back surface of the outer box, and a pressure-sensitive adhesive of a heat-conducting member having a size of the outer box is applied only to the outside of the U-turn portion on the non-exposed side of the meandering condenser pipe. The refrigerator according to claim 1, wherein the refrigerator is used. 4. A foam insulation material is filled between an outer box and an inner box to form a heat-insulating box body, and a meandering condenser pipe is arranged on the heat-insulating material side of the outer box. The refrigerator is characterized in that a heat conducting member (aluminum tape or the like) coated with an adhesive agent on the condenser fixed side and a release agent on the heat insulating material contact side is attached to the U-turn portion on the back plate side of the condenser. 5. A condenser pipe is fixed to the rear surface of the outer box, and the adhesive of the heat conducting member having a size of the outer box is applied only to the outside of the U-turn portion on the front side of the meandering condenser pipe. The refrigerator according to claim 4, characterized in that: