Air duct pipe of refrigerator or freezer, refrigerator and freezer

By using blow molding to integrally form the refrigerator air duct pipe and flange, the problem of the inability to integrally form the air duct pipe structure in the existing technology is solved, which improves the overall integrity and work efficiency and prevents foaming liquid from entering the inner liner.

CN224034088UActive Publication Date: 2026-03-24中山市磐顺塑胶有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing refrigerator air duct structure cannot be integrally molded, resulting in poor overall integrity and low efficiency.

Method used

The pipe body and flange are integrally formed by blow molding. The pipe body has a reinforcing plate in the middle and grooves or protrusions on the outer surface. The interface pipe is located on one or both sides of the pipe body, and the flange surrounds the interface pipe.

Benefits of technology

It achieves one-time molding of the air duct, improving the overall integrity and work efficiency, and preventing foaming liquid from entering the inner liner.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air duct pipe of a refrigerator or a freezer, the refrigerator and the freezer, the air duct pipe of the refrigerator or the freezer comprises a pipe main body and flanges arranged at the two ends of the pipe main body, and the pipe main body and the flanges are integrally formed by adopting a blow molding method. One-time blow molding is adopted, and the work efficiency is high; and by arranging the flange, the foaming liquid is prevented from entering the inner container during foaming.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a refrigeration device, especially a wind channel pipe. BACKGROUND

[0002] The prior art, Chinese patent 201721547932.3, a kind of refrigerator wind channel pipeline structure, including refrigerator main body and the refrigeration liner and freezing liner in it, refrigeration liner and freezing liner between setting integral type wind channel pipeline assembly;Integral type wind channel pipeline assembly includes wind channel pipe, wind channel pipe is simultaneously set channel A and channel B;Channel A is air supply pipeline mouth, and channel B is return air pipeline mouth;The wind channel pipe (3) further include wind channel pipe front cover plate (4) and wind channel pipe rear cover plate (5);The wind channel pipe front cover plate (4) and wind channel pipe rear cover plate (5) are mutually assembled into wind channel pipe (3);The wind channel pipe front cover plate (4) and wind channel pipe rear cover plate (5) between setting buckle position connecting assembly, sealing assembly and anti-misplacement component, the buckle position connecting assembly and sealing assembly make wind channel pipe front cover plate (4) and wind channel pipe rear cover plate (5) mutually assemble into sealed wind channel pipe (3), the anti-misplacement component makes wind channel pipe (3) correctly install between refrigeration liner (1) and freezing liner (2). The problem is that: cannot be integrally formed. UTILITY MODEL CONTENTS

[0003] The utility model aims at: provide a kind of wind channel pipe of refrigerator or refrigerator, refrigerator and refrigerator, it has the characteristics of once forming, strong integrity, high work efficiency.

[0004] The utility model is realized as follows: a kind of wind channel pipe of refrigerator or refrigerator, its special features are: including pipe main body and the flange being located at the both ends of pipe main body, pipe main body and flange are integrally formed by blow molding method.

[0005] Preferably: the pipe main body is provided with the reinforcing plate located at the middle of length direction and along the width direction.

[0006] Preferably: the outer surface of the pipe main body is provided with the groove or protrusion opposite to the reinforcing plate.

[0007] Preferably: the both ends of the pipe main body are provided with the interface pipe perpendicular to it, and the flange surrounds the interface pipe.

[0008] Preferably: the interface pipe is located at one side or both sides of the pipe main body.

[0009] A kind of refrigerator, its special features are: including the wind channel pipe of refrigerator as described above.

[0010] A kind of refrigerator, its special features are: including the wind channel pipe of refrigerator as described above.

[0011] The utility model discloses a refrigerator or refrigerator's air duct pipe adopts blow molding one -off forming to make, and work efficiency is high, the setting of flange prevents foaming, and foaming liquid enters the inner bag. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is one of the utility model's perspective.

[0013] Figure 2 It is the second perspective of the utility model.

[0014] Figure 3 It is the perspective of the utility model's section.

[0015] Figure 4 It is the perspective of the second kind of implementation of the utility model.

[0016] Figure 5 It is the perspective of the second kind of implementation of the utility model. DETAILED DESCRIPTION

[0017] The following detailed description of the embodiments of the utility model, the example of the embodiment is shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar function throughout. The embodiment described below by referring to the drawings is exemplary, only for explaining the utility model, and can not be understood as limiting the utility model.

[0018] In the description of the utility model, it is necessary to explain that, unless otherwise explicitly provided and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, can be fixed connection, can be detachable connection, or integrally connected, can be directly connected, can be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] As Figure 1 Indicated, a refrigerator or refrigerator's air duct pipe, including pipe main body 1 and the flange 2 at the both ends of pipe main body 1, pipe main body 1 and flange 2 adopt blow molding method integrally formed.

[0020] As the further improvement of the utility model: as Figure 3 Indicated, the pipe main body 1 is provided with the reinforcing plate 3 in the length direction middle part and along the width direction. The pipe main body cross section is rectangular. As such structure, prevent foaming, and pipe main body 1 deforms.

[0021] As the further improvement of the utility model: as Figure 1 , Figure 3As shown, the outer surface of the pipe body 1 is provided with a groove 4 or a protrusion opposite to the reinforcing plate.

[0022] As a further improvement of the present application: the pipe body 1 is provided with an interface pipe 5 perpendicular to it at both ends, and the flange 2 surrounds the interface pipe 5.

[0023] The interface pipe 5 is located on one side or both sides of the pipe body 1.

[0024] As shown in the drawings, Figure 4 , Figure 5 A refrigerator, characterized in that: comprising the air duct pipe, the upper liner 6 and the lower liner 7 of the refrigerator as described above,

[0025] The interface pipe 5 at one end of the air duct pipe is inserted into the insertion hole on the back plate of the upper liner 6, and the flange 2 is attached to the back plate of the upper liner 6; the interface pipe 5 at the other end of the air duct pipe is inserted into the insertion hole on the back plate of the lower liner 7, and the flange 2 is attached to the back plate of the lower liner 6.

[0026] A refrigerator, comprising the air duct pipe of the refrigerator as described above.

[0027] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A ductwork for a refrigerator or freezer, characterized in that: It includes a pipe body and flanges at both ends of the pipe body. The pipe body and flanges are integrally molded using a blow molding method.

2. The air duct of a refrigerator or freezer according to claim 1, characterized in that: The tube body is provided with a reinforcing plate located in the middle of the length direction and along the width direction.

3. The air duct of a refrigerator or freezer according to claim 2, characterized in that: The outer surface of the tube body is provided with grooves or protrusions opposite to the reinforcing plate.

4. The air duct of a refrigerator or freezer according to claim 1, 2 or 3, characterized in that: The pipe body has interface pipes perpendicular to it at both ends, and the flange surrounds the interface pipes.

5. The air duct of a refrigerator or freezer according to claim 4, characterized in that: The interface tube is located on one or both sides of the tube body.

6. A refrigerator, characterized in that: Includes the air duct of the refrigerator as described in any one of claims 1-5.

7. A freezer, characterized in that: Includes the air duct of the cold box as described in any one of claims 1-5.

Citation Information

Patent Citations

  • Wind channel pipeline structure of refrigerator

    CN207849872U