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refrigerator

A technology for refrigerators and cabinets, which is applied in the field of cabinets and refrigeration equipment equipped with them, and can solve the problems of large flow resistance of foaming materials, low foaming efficiency, and small circulation space of foaming materials, so as to improve foaming efficiency, The effect of improving production efficiency and increasing the circulation area

Active Publication Date: 2022-01-25
QINGDAO HAIER REFRIGERATOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a box body, especially an ultra-thin foam box body, which overcomes the small circulation space of the foam material in the existing ultra-thin box body, the large flow resistance of the foam material, and the low foaming efficiency. The problem

Method used

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

[0025] The object of the present invention is to provide a box and a refrigeration device using it. The box is an ultra-thin foam box, generally including an inner tank, a box and a foam layer between the inner tank and the box shell. The foam layer is formed by foaming the foam material. Wherein, the foaming material is injected into the cavity between the inner tank and the tank shell through the diversion channel between the inner tank and the tank shell.

[0026] Further, a first flow guide part and a second flow guide part arranged at intervals are provided between the rear wall of the inner tank...

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Abstract

The invention discloses a box body and a refrigeration device, which includes a box shell and an inner tank, the inner tank is placed in the box shell, and further includes: a second spacer arranged between the box shell and the inner tank A flow guide part and a second flow guide part, wherein, the first flow guide part and the second flow guide part are respectively closely attached to the rear wall of the inner tank and the rear wall of the case to form a vertical Extended diversion channels. By changing the structure of the sheath of the air return pipe on the outside of the inner tank, the first deflector is formed to cooperate with another deflector on the outside of the inner tank, which increases the flow area of ​​the guide channel, and can effectively improve the inner tank and the box shell. The foaming efficiency and quality of the foaming material in the cavity are improved. At the same time, the integration of the deflector and the return air pipe sheath reduces manufacturing costs, reduces on-site operations, and improves production efficiency.

Description

technical field [0001] The present invention relates to the technical field of refrigeration equipment design, and in particular, relates to a box body and a refrigeration device having the same. Background technique [0002] Ultra-thin smart refrigerators have the advantages of small thickness and large internal volume, so they are favored by consumers. [0003] The box foaming of ultra-thin smart refrigerators and ultra-thin smart freezers generally refers to rigid polyurethane foaming. The foam is between the refrigerator box shell and the liner. After high-pressure mixing by the mixing head of the foaming machine, it is injected into the cavity between the tank shell and the liner to react and release heat. The foaming agent in the raw material is vaporized by heat to form micro-bubbles, which grow and expand to fill the tank. The cavity between the shell and the liner is cured to form a rigid polyurethane closed-cell foam. [0004] At present, for the ultra-thin foam ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25D23/06
CPCF25D23/062
Inventor 李军平王琦涛赵彩云
Owner QINGDAO HAIER REFRIGERATOR CO LTD
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