Small-pipe-diameter condenser mounting structure of household refrigerator

By designing a separate fin structure and a thermally conductive silicone-filled gap installation structure for the condenser of a household refrigerator, the problems of aluminum fin aging and dirt accumulation have been solved, enabling convenient disassembly and cleaning, and improving maintenance efficiency and fin stability.

CN223814820UActive Publication Date: 2026-01-20CHANGZHOU CHANGZHENG EVAPORATOR CO LTD
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Patent Information

Application Number
CN202520250725.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-01-20
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

The aluminum fins of existing household refrigerator condensers are prone to aging due to their fixed installation in high-temperature environments, and dirt easily accumulates between the fins, making disassembly and cleaning inconvenient.

Method used

Design an installation structure for a small-diameter condenser in a household refrigerator. The fins are divided into upper and lower parts. The fins can be quickly disassembled through a main fixing plate, insert block and extrusion screw. Thermally conductive silicone is used to fill the gaps to facilitate heat transfer.

Benefits of technology

It enables quick disassembly and cleaning of the fins, improves maintenance efficiency, reduces the impact on the coil, and enhances the stability and durability of the fins.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a small-pipe-diameter condenser installation structure of a household refrigerator, and aims to solve the technical problems that current aluminum fins are fixedly installed and are located in a high-temperature heat dissipation environment for a long time, materials can be aged, dirt is prone to being accumulated and attached between the fins, at the moment, disassembly is troublesome, and maintenance and cleaning are inconvenient. Comprising a bottom plate, a coil pipe, an inlet copper pipe, an outlet pipe and fins, a left end plate and a right end plate are fixedly connected to the edges of the left side and the right side of the left end of the bottom plate respectively, the coil pipe transversely penetrates through the surfaces of the left end plate and the right end plate, the inlet copper pipe and the outlet pipe are fixedly welded and communicated with the two ends of the coil pipe respectively, and a thermal shrinkable sleeve is arranged at the joint of the outlet pipe and the coil pipe; the fin is divided into an upper part and a lower part, the surface of the fin is provided with a through hole allowing the coil pipe to pass through, the fin is attached to the surface of the coil pipe, and the heat exchanger has the advantages of being simple in structure and convenient and fast to operate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to condenser technical field, concretely is a kind of small pipe diameter condenser mounting structure of household refrigerator. BACKGROUND

[0002] The condenser in household refrigerator is an important component of refrigerator refrigeration system, and its main role is to guide the high-temperature and high-pressure steam in the compressor into the condenser to condense the refrigerant vapor under the same pressure, and at the same time, heat is dissipated to the surrounding medium, and the refrigerant is changed into high-pressure low-temperature liquid.

[0003] At present, the aluminum fins on the surface of most condensers are fixed, for example, in the patent No. CN 214371863 U, a small pipe diameter condenser mounting structure radiator of household refrigerator, a plurality of heat dissipation aluminum fins are fixedly installed between the two side baffles of the radiator, the heat dissipation aluminum fins can effectively dissipate the heat in the condensing pipe, and ensure that the condensing pipe can continuously play the condensing effect, but since the aluminum fins are fixedly installed, they may be aged in a high-temperature heat dissipation environment for a long time, such as metal fatigue, corrosion, etc., thereby reducing the strength and durability of the fins, and dirt is easily accumulated and attached between the fins, which is troublesome to disassemble and inconvenient to maintain and clean. Therefore, a new technical solution is needed to solve the problem. UTILITY MODEL CONTENTS

[0004] The utility model aims to overcome the shortcomings of the prior art, meet the needs of reality, and provide a small pipe diameter condenser mounting structure for household refrigerator to solve the technical problem that the aluminum fins are fixedly installed, may be aged in a high-temperature heat dissipation environment for a long time, and dirt is easily accumulated and attached between the fins, which is troublesome to disassemble and inconvenient to maintain and clean.

[0005] In order to achieve the purpose of the utility model, the utility model adopts the technical scheme of designing a small pipe diameter condenser mounting structure for household refrigerator, which includes a bottom plate, a coil pipe, an inlet copper pipe, an outlet pipe and fins. The left end of the bottom plate is fixedly connected with a left end plate and a right end plate on the left and right sides of the edge, respectively. The coil pipe penetrates the surface of the left end plate and the right end plate horizontally. The inlet copper pipe and the outlet are fixedly welded and communicated with the two ends of the coil pipe, and a heat shrink sleeve is arranged at the connection between the outlet pipe and the coil pipe. The fins are divided into two parts, and the surface of the fins is provided with a through hole for accommodating the coil pipe. The surface of the fins is attached to the surface of the coil pipe.

[0006] Preferably, the left end plate and the right end plate of the fin horizontal position are provided with a total fixed plate, the left and right ends of the total fixed plate are respectively in surface contact with the left end plate and the right end plate, and the surface of the total fixed plate towards the fin side is fixedly connected with a plurality of insertion blocks at equal distances, the side wall of the insertion block is threadedly connected with an extrusion screw, and one end of the fin is movably inserted into the inside of the insertion block.

[0007] Preferably, the inside surface of the insertion block is pasted with a friction pad, and the extrusion screw passes through the friction pad and is in contact with the surface of the fin.

[0008] Preferably, the two ends of the total fixed plate are threadedly connected with fixed bolts, and the fixed bolts at the two ends of the total fixed plate pass through the surfaces of the left end plate and the right end plate and are threadedly connected with the total fixed plate.

[0009] Preferably, the front and back sides of the fin are respectively in contact with the two total fixed plates, and the total fixed plates and the fin maintain a perpendicular state.

[0010] Preferably, the through hole surface of the fin is provided with heat-conducting silica gel.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The utility model discloses a coil pipe and fin are separately arranged, when disassembling, the upper half or the lower half of the fin can be taken off from the surface of the coil pipe without touching the left end plate and the right end plate, which does not affect the normal use of the coil pipe and does not affect other normal fins, so that a plurality of fins can be disassembled according to requirements to leak the position of dirt accumulation, thereby facilitating maintenance and cleaning.

[0013] 2. The utility model discloses a total fixed plate, a left end plate, a right end plate and an insertion block can quickly disassemble all fins, one end of the fin is inserted into the inside of the insertion block, when all fins need to be disassembled, only the fixed bolts at the two ends are twisted down, the total fixed plate can be separated from the left end plate and the right end plate, because the total fixed plate is connected with all fins, so that the horizontal fins can be kept consistent, and the disassembly and installation efficiency are improved. DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model;

[0015] Figure 2 It is a side view structural schematic diagram of the utility model;

[0016] Figure 3 It is a top view structural schematic diagram of the utility model;

[0017] Figure 4 It is a position relation diagram of the total fixed plate and the fin of the utility model;

[0018] Figure 5 The A part of the utility model is enlarged locally;

[0019] In the figure: 1, left end plate; 2, right end plate; 3, fin; 301, through hole; 302, heat-conducting silica gel; 4, coil pipe; 5, inlet copper pipe; 6, outlet pipe; 7, bottom plate; 8, heat shrink sleeve; 9, total fixing plate; 10, plug block; 1001, friction pad; 11, extrusion screw rod; 12, fixing bolt. DETAILED DESCRIPTION

[0020] The utility model is further illustrated below in connection with the drawings and examples:

[0021] Example 1: a small pipe diameter condenser mounting structure of household refrigerator, refer to Figures 1 to 5 , including bottom plate 7, coil pipe 4, inlet copper pipe 5, outlet pipe 6 and fin 3, the left end left and right side edges of bottom plate 7 are fixedly connected with left end plate 1 and right end plate 2 respectively, coil pipe 4 is transversely through the surface of left end plate 1 and right end plate 2, inlet copper pipe 5 and outlet are fixedly welded with the both ends of coil pipe 4 and communicate, and heat shrink sleeve 8 is arranged at the connecting place of outlet pipe 6 and coil pipe 4, fin 3 is divided into upper and lower two parts, and the surface of fin 3 is provided with through hole 301 for accommodating coil pipe 4, the surface of fin 3 is attached to coil pipe 4, when disassembling, fin 3 can be removed from the surface of coil pipe 4 without touching left end plate 1 and right end plate 2, which will not affect the normal use of coil pipe 4, and will not affect other normal fins 3, so that maintenance and cleaning are facilitated.

[0022] It is worth mentioning that, refer to Figure 5 , the surface of through hole 301 of fin 3 is provided with heat-conducting silica gel 302, heat-conducting silica gel 302 can fill the gap between fin 3 and coil pipe 4, which is more convenient for heat transfer.

[0023] Example 2: a small pipe diameter condenser mounting structure of household refrigerator, refer to Figures 1 to 5 , the left end plate 1 and right end plate 2 between the horizontal position of fin 3 are provided with total fixing plate 9, the left and right ends of total fixing plate 9 are respectively in contact with the surface of left end plate 1 and right end plate 2, and the surface of the side of total fixing plate 9 towards fin 3 is fixedly connected with a plurality of plug blocks 10 at equal intervals, the sidewall of plug block 10 is threadedly connected with extrusion screw rod 11, one end of fin 3 is movably inserted into the inner side of plug block 10, when disassembling all fins 3, only need to twist off the fixing bolt 12 at both ends, total fixing plate 9 can be separated from left end plate 1 and right end plate 2, since total fixing plate 9 is connected with all fins 3 at the same time, so that the horizontal fins 3 can be disassembled together, improving the efficiency of disassembly and installation.

[0024] Further, referring to Figure 5 The inner side surface of the plug 10 is pasted with a friction pad 1001, the extrusion screw 11 passes through the friction pad 1001 and is in contact with the surface of the fin 3, the material of the friction pad 1001 can be a material with large friction, such as sandpaper, etc., which can make the fin 3 more stable during insertion, and after insertion, the extrusion screw 11 is twisted to extrude the fin 3, so as to ensure that it will not be separated.

[0025] It is worth noting that, referring to Figures 1 to 4 Both ends of the total fixing plate 9 are threadedly connected with fixing bolts 12, and the fixing bolts 12 at both ends of the total fixing plate 9 respectively pass through the surfaces of the left end plate 1 and the right end plate 2 and are threadedly connected with the total fixing plate 9, the fixing bolts 12 fix the total fixing plate 9 between the left end plate 1 and the right end plate 2, which is convenient for disassembly and assembly, and the left and right fixing bolts 12 are on a horizontal line, so that the total fixing plate 9 can be kept in a horizontal state and perpendicular to the fin 3.

[0026] It is worth noting that, referring to Figure 1 and Figure 3 The front and back sides of the fin 3 are respectively in contact with the two total fixing plates 9, and the total fixing plates 9 are kept perpendicular to the fin 3, so that the front and back sides of the upper and lower parts of the fin 3 are both provided with a total fixing plate 9, thereby being constrained in the front and back directions, and the stability of the same horizontal row of fins 3 is increased.

[0027] Working principle: when the coil pipe 4 and the fin 3 need to be cleaned, since the fin 3 is divided into upper and lower parts and is tightly attached to the coil pipe 4 from the upper and lower sides, it is not necessary to touch the left end plate 1 and the right end plate 2 during disassembly, only the upper or lower part of the fin 3 needs to be taken off from the surface of the coil pipe 4, which will not affect the normal use of the coil pipe 4 and will not affect other normal fins 3, so that a certain number of fins 3 can be disassembled according to the needs to make the position where dirt accumulates leak out, which is convenient for maintenance and cleaning, and the practicality is stronger compared with the condenser on the market with fixed fins 3, and all the fins 3 can be quickly disassembled through the total fixing plate 9, the left end plate 1, the right end plate 2 and the plug 10, one end of the fin 3 is inserted into the plug 10, when all the fins 3 need to be disassembled, only the fixing bolts 12 at both ends need to be twisted to separate the total fixing plate 9 from the left end plate 1 and the right end plate 2, since the total fixing plate 9 is connected with all the fins 3, the horizontal row of fins 3 can be kept consistent, and the disassembly and assembly efficiency is improved.

[0028] In addition, the components designed in the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through a technical manual or through a conventional experimental method, and the person skilled in the art can completely realize without redundancy, and the content protected by the utility model does not involve improvement of internal structure and method.

[0029] The utility model discloses the embodiment discloses the preferable embodiment, but is not limited to this, and the person skilled in the art, the person skilled in the art, very easily according to the above -mentioned embodiment, the spirit of the utility model is appreciated, and different is drawn and changes, but as long as not departing from the spirit of the utility model, all are in the protection scope of the utility model.

Claims

1. A small diameter condenser mounting structure for a domestic refrigerator comprising a base plate (7), a coil (4), an inlet copper tube (5), an outlet tube (6) and fins (3), characterised in that, The left end plate (1) and the right end plate (2) are respectively fixedly connected at the left end of the left and right side edges of the bottom plate (7), the coil pipe (4) penetrates the surface of the left end plate (1) and the right end plate (2) transversely, the inlet copper pipe (5) and the outlet are respectively fixedly welded and communicated with the two ends of the coil pipe (4), and the outlet pipe (6) is provided with a heat shrink sleeve (8) at the connection position with the coil pipe (4), the fin (3) is divided into upper and lower two parts, and the surface of the fin (3) is provided with a through hole (301) for accommodating the coil pipe (4) to pass through, and the surface of the fin (3) is attached to the surface of the coil pipe (4).

2. A domestic refrigerator small-bore condenser mounting structure as claimed in claim 1, characterized in that, The total fixed plate (9) is arranged between the left end plate (1) and the right end plate (2) at the horizontal position of the fin (3), the left and right ends of the total fixed plate (9) are respectively in surface contact with the left end plate (1) and the right end plate (2), and a plurality of plug blocks (10) are fixedly connected at equal intervals on the surface of the side of the total fixed plate (9) facing the fin (3), the side wall of the plug block (10) is threadedly connected with an extrusion screw (11), and one end of the fin (3) is movably inserted into the inner side of the plug block (10).

3. A domestic refrigerator small-bore condenser mounting structure as claimed in claim 2, characterised in that, The inner side surface of the plug block (10) is attached with a friction pad (1001), and the extrusion screw (11) penetrates the friction pad (1001) and is in contact with the surface of the fin (3).

4. A domestic refrigerator small-bore condenser mounting structure as claimed in claim 2, characterized in that, The two ends of the total fixed plate (9) are threadedly connected with fixed bolts (12), and the fixed bolts (12) at the two ends of the total fixed plate (9) penetrate the surfaces of the left end plate (1) and the right end plate (2) and are threadedly connected with the total fixed plate (9).

5. A domestic refrigerator small-bore condenser mounting structure as claimed in claim 1, characterized in that, The front and rear sides of the fin (3) are respectively in contact with the two total fixed plates (9), and the total fixed plate (9) and the fin (3) maintain a perpendicular state.

6. A domestic refrigerator small-bore condenser mounting structure as claimed in claim 1, characterized in that, The surface of the through hole (301) of the fin (3) is provided with heat-conducting silica gel (302).

Citation Information

Patent Citations

  • Copper pipe aluminum fin condenser radiator

    CN214371863U