Screw-free fixing structure for refrigerator evaporator

Abstract

The utility model discloses a screw-free fixing structure for a refrigerator evaporator, which relates to the technical field of refrigerator structures and comprises a refrigerator liner, an evaporator and fixing buckles, fixing bosses for clamping the evaporator are arranged on two sides inside the refrigerator liner, and a plurality of buckle mounting holes for mounting the fixing buckles are arranged on the back of the refrigerator liner. The evaporator is fixedly installed in the refrigerator container through a fixing buckle and comprises an evaporation pipeline body, a flanging clamping plate is fixedly arranged on the evaporation side plate, and a buckle hole matched with the fixing buckle is formed in the flanging clamping plate; the fixing buckle comprises a mounting plate, a positioning rib and symmetrical circular buckle clamping columns are arranged on one side of the mounting plate, and the clamping columns are fixedly connected to the mounting plate through the circular buckle; the double buckles play a role in clamping the evaporator, the evaporator can be prevented from tilting, meanwhile, the evaporator is prevented from moving front and back when being stressed, compared with a screw fixing structure, the assembling efficiency is greatly improved, and meanwhile the production safety is also guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerator structures, in particular to a screw-free fixing structure for an evaporator of a refrigerator. Background Art

[0002] In the existing refrigerator evaporator fixing structure, the screw + box boss structure requires the production line to use an air gun for screw fixing, which is time-consuming and labor-intensive for workers, and the air gun connection line is often dragged on the ground and pulled back and forth, posing a safety hazard; the evaporator fixed only with the box boss has poor fixing reliability. During the transportation of the refrigerator, the evaporator is easy to warp up, causing the air duct panel clips assembled on the evaporator to fail, and then causing the air duct panel to swell and bulge, causing user complaints or the risk of machine return; only using a double-clip structure, when the evaporator is subjected to vibration and impact during transportation, the double clips are directly subjected to force, and the evaporator fixing structure is a thin metal structure. The clips are easy to cut off, resulting in failure or damage to the clips, causing the evaporator to lose position, causing the heater at the lower end of the evaporator to approach the inner tank, and then causing the quality risk of the inner tank being scorched or catching fire. In addition, the double-clip fixed connection makes the evaporator thin plate easy to deform, causing the evaporator to twist and lose position during assembly, causing defrost reliability problems. Utility Model Content

[0003] The utility model aims to provide a screw-free fixing structure for a refrigerator evaporator, so as to solve the technical problem that the evaporator thin plate is easily deformed, resulting in distortion and loss of position of the evaporator during assembly, thereby affecting the defrosting reliability.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A screw-free fixing structure for a refrigerator evaporator comprises a box liner, an evaporator and a fixing clip, wherein fixing bosses for clamping the evaporator are provided on both sides of the interior of the box liner, a plurality of clip mounting holes for installing the fixing clips are provided on the back of the box liner, and the evaporator is fixedly installed in the box liner by the fixing clips, the evaporator comprises an evaporation duct body, evaporation side panels are provided on both sides of the evaporation duct body, flanged clamping plates are fixedly provided on the evaporation side panels, and clamping holes matching the fixing clips are provided on the flanged clamping plates; the fixing clips comprise a mounting plate, one side of the mounting plate is provided with positioning ribs and symmetrical circular clamping columns, the clamping columns are fixedly connected to the mounting plate by the circular clamps, and the other side of the mounting plate is provided with a clamping handle rod.

[0006] Preferably, the fixing boss is a special-shaped structure, which includes a wide end portion close to the side wall of the box liner, and a boss narrow end is provided on the wide end portion.

[0007] Preferably, both sides of the buckle mounting hole are provided with buckle flanges that cooperate with the positioning ribs.

[0008] Preferably, the upper and lower ends of the buckle hole are cut flat to form buckle flat edges, and both sides of the buckle hole are circular buckle arc edges.

[0009] Preferably, the fixing buckle is fixed in the box liner mounting hole by hot melt adhesive or double-sided tape.

[0010] Preferably, the clamping column is configured as a tapered structure with a small mouth and a large bottom.

[0011] Beneficial effects of the utility model:

[0012] (1) The utility model adopts a double clip and a double fixed boss structure of the box to install the evaporator. The double fixed boss plays two roles. One role is to position the evaporator to prevent it from moving left and right and up and down; the other role is to fix it. Workers assemble the evaporator on the fixed boss. The fixed boss can play a supporting role to prevent the evaporator from being subjected to stress during transportation. It can also protect the clip and prevent the clip from being cut or damaged and causing failure. The double clip plays the role of clamping the evaporator, which can prevent the evaporator from tilting and prevent the evaporator from moving back and forth when subjected to stress. Compared with the screw fixing structure, the assembly efficiency is greatly improved, and production safety is also guaranteed.

[0013] (2) The utility model has the advantages of low cost, simple process, convenient and quick after-sales service, no need for screw disassembly tools, and high production efficiency. It can solve the various defects of existing evaporators, such as failure of fixing, low production efficiency, safety hazards, and cumbersome maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 It is a schematic structural diagram of the utility model as a whole;

[0016] Figure 2 This utility model Figure 1 Schematic diagram of the cross-sectional structure in the AA direction;

[0017] Figure 3 This is a structural diagram of the box liner of the utility model;

[0018] Figure 4 It is a structural diagram of the evaporator of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the fixing buckle of the utility model.

[0020] In the figure: 10, box liner; 11, snap-on mounting hole; 12, snap-on flange; 20, evaporator; 21, evaporator duct body; 22, evaporator side panel; 23, flanged clamping plate; 24, snap-on hole; 241, snap-on flat edge; 242, snap-on arc edge; 30, fixing snap; 31, mounting plate; 32, positioning rib; 33, snap-on column; 34, circular snap; 35, snap-on handle; 40, fixing boss; 41, boss narrow end; 42, wide end. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 5 As shown, the utility model is a screw-free fixing structure for a refrigerator evaporator, including a box liner 10, an evaporator 20 and a fixing clip 30. Both sides of the interior of the box liner 10 are provided with fixing bosses 40 for clamping the evaporator 20, and the back of the box liner 10 is provided with a plurality of clip mounting holes 11 for installing the fixing clip 30. The evaporator 20 is fixedly installed in the box liner 10 through the fixing clip 30. The evaporator 20 includes an evaporation duct body 21, and both sides of the evaporation duct body 21 are provided with evaporation side plates 22. The evaporation side plates 22 are fixedly provided with flanged clips 23, and the flanged clips 23 are provided with clip holes 24 that match the fixing clips 30; the fixing clip 30 includes a mounting plate 31, one side of the mounting plate 31 is provided with a positioning rib 32 and symmetrical circular clip clamping columns 33, the clamping columns 33 are fixedly connected to the mounting plate 31 through the circular clip 34, and the other side of the mounting plate 31 is provided with a clip handle rod 35.

[0023] In an optional embodiment, the fixing boss 40 is a special-shaped structure, which includes a wide end portion 42 close to the side wall of the box 10, and the boss narrow end 41 is provided on the wide end portion 42.

[0024] It should be noted that, based on the shape of the evaporator 20 piping, two fixed bosses 40 are designed on each side. These fixed bosses 40 are designed as special-shaped structures. The narrow end 41 of the boss is inserted into the assembly space formed by the two adjacent elbows of the evaporator 20, serving to fix and limit the evaporator 20. The wide end 42 connected to the narrow end 41 of the boss serves to limit the left and right movement of the evaporator 20. The dual fixed bosses 40 serve two main functions: one is to position the evaporator 20, preventing it from moving left and right and up and down; the other is to provide support and fixation. When workers assemble the evaporator 20 on the fixed bosses 40, the fixed bosses 40 provide support and fixation, protecting the evaporator 20 from vibration and impact during transportation, and protecting the clips from being cut or damaged.

[0025] In an optional embodiment, both sides of the buckle mounting hole 11 are provided with buckle flanges 12 that cooperate with the positioning ribs 32 .

[0026] It should be noted that there are two buckle mounting holes 11 on the back of the box 10. The mounting holes mainly serve two purposes: one is to position the fixed buckle 30, and the other is to assemble the fixed buckle 30. The mounting holes 11 of the fixed buckle 30 are designed with buckle flanges 12, which are snapped into the area combined between the two positioning ribs 32 of the fixed buckle 30 to prevent leakage.

[0027] In an optional embodiment, the upper and lower ends of the buckle hole 24 are cut flat to form buckle flat edges 241 , and both sides of the buckle hole 24 are circular buckle arc edges 242 .

[0028] It should be noted that the evaporator 20 includes an evaporation duct body 21, which is equipped with multiple straight tubes with elbows. The elbows are combined to form an assembly area. Evaporator side panels 22 are located on both sides of the evaporator 20. These panels are equipped with flanged retaining plates 23. These retaining plates have retaining holes 24 shaped like buckles. The upper and lower ends of the retaining holes 24 are flattened to form flat retaining edges 241. This increases the retaining contact area, prevents single-point contact with the circular arc, and prevents the retaining from being damaged or failing. The retaining holes 24 are flanked by circular retaining edges 242, which mate with the buckles and act as retaining plates for the evaporator 20, preventing the evaporator 20 from tilting.

[0029] In an optional embodiment, the fixing buckle 30 is fixed in the mounting hole of the box 10 using hot melt adhesive or double-sided tape.

[0030] It should be noted that the fixing buckle 30 is installed by fixing with hot melt adhesive or double-sided tape, thereby improving the stability of the connection between the fixing buckle 30 and the box 10, thereby improving the stability of the installation of the evaporator 20.

[0031] In an optional embodiment, the clamping column 33 is configured as a conical structure with a small mouth and a large bottom.

[0032] It should be noted that the positioning rib 32 serves to position and secure the clip 30, while the circular clip 34 serves to securely mount the evaporator 20. The circular clip 34 is connected to the mounting plate 31 via the connecting post 33. The circular clip 34 is designed with a small mouth and a large base to increase the guide slope, reduce labor intensity, and improve assembly efficiency.

[0033] The working principle of this utility model is to design a double buckle structure to improve the connection reliability. The double buckle can quickly clamp the evaporator 20, preventing the evaporator 20 from moving back and forth when stressed, and preventing the air duct panel buckle failure and causing the air duct panel to bulge.

[0034] The above describes an embodiment of the present invention in detail. However, the above content is only a preferred embodiment of the present invention and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent application of the present invention.

Claims

1. A screw-free fixing structure for a refrigerator evaporator, characterized in that: The invention comprises a box (10), an evaporator (20) and a fixing buckle (30), wherein both sides of the interior of the box (10) are provided with fixing bosses (40) for clamping the evaporator (20), and the back of the box (10) is provided with a plurality of buckle mounting holes (11) for mounting the fixing buckles (30), and the evaporator (20) is fixedly mounted in the box (10) by the fixing buckles (30), and the evaporator (20) comprises an evaporation pipe body (21), and both sides of the evaporation pipe body (21) are provided with evaporation side The evaporation side plate (22) is fixedly provided with a flanged card plate (23), and the flanged card plate (23) is provided with a card hole (24) that matches with a fixed card buckle (30); the fixed card buckle (30) includes a mounting plate (31), one side of the mounting plate (31) is provided with a positioning rib (32) and a symmetrical circular card buckle clamping column (33), the clamping column (33) is fixedly connected to the mounting plate (31) through the circular card buckle (34), and the other side of the mounting plate (31) is provided with a card buckle handle rod (35).

2. The screw-free fixing structure for refrigerator evaporator according to claim 1, characterized in that: The fixing boss (40) is a special-shaped structure, comprising a wide end portion (42) close to the side wall of the box (10), and a boss narrow end (41) is provided on the wide end portion (42).

3. The screw-free fixing structure for refrigerator evaporator according to claim 1, characterized in that: Both sides of the buckle mounting hole (11) are provided with buckle flanges (12) that match the positioning ribs (32).

4. The screw-free fixing structure for refrigerator evaporator according to claim 1, characterized in that: The upper and lower ends of the buckle hole (24) are cut flat to form buckle flat edges (241), and both sides of the buckle hole (24) are circular buckle arc edges (242).

5. The screw-free fixing structure for refrigerator evaporator according to claim 1, characterized in that: The fixing buckle (30) is fixed in the installation hole of the box (10) by using hot melt adhesive or double-sided adhesive.

6. The screw-free fixing structure for refrigerator evaporator according to claim 1, characterized in that: The clamping column (33) is configured as a tapered structure with a small mouth and a large bottom.

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