Refrigerator steel plate door felt

Abstract

The utility model discloses a refrigerator steel plate door felt which comprises a sponge layer plate fixing frame, a fiber layer plate fixing frame, an EPE sponge layer plate and a fiber layer plate, and the EPE sponge layer plate is wrapped in the sponge layer plate fixing frame and the fiber layer plate fixing frame by arranging the sponge layer plate fixing frame and the fiber layer plate fixing frame. Meanwhile, the fiber laminate is used for supporting the EPE sponge laminate, the overall structural strength of the felt is improved, the periphery of the first laminate body is arranged on first sleeving rods in a sleeving mode, the first laminate body is arranged in a first frame body in a sleeving mode, the periphery of the second laminate body is arranged on second sleeving rods in a sleeving mode, and the second laminate body is arranged in a second frame body in a sleeving mode; therefore, the sponge laminate fixing frame, the fiber laminate fixing frame, the EPE sponge laminate and the fiber laminate can be assembled conveniently, and the production efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerator steel plate doors, and particularly relates to a felt for a refrigerator steel plate door. Background Art

[0002] Felt is usually pasted inside the refrigerator steel plate door. The types of felt mainly include non-woven cotton, the composite of PU and paper, and floor leather felt, which are used to improve the heat preservation and insulation effect of the refrigerator steel plate door.

[0003] The Chinese patent with the authorized announcement number CN214646524U discloses a low-cost composite EPE felt, which includes a corona layer, a first PE film layer, an EPE sponge layer, a second PE film layer, a double-sided cotton paper adhesive layer, and a release paper layer; the first PE film layer and the second PE film layer are both fixed on the EPE sponge layer by means of thermal compounding; the double-sided cotton paper adhesive layer is coated on the bottom of the second PE film layer; the release paper layer is fixed on the double-sided cotton paper adhesive layer by means of thermal rolling compounding. The comprehensive cost of the composite EPE felt of this technology is reduced by about 50% compared with the traditional non-woven cotton felt, and at the same time, the same application effect as the traditional felt is achieved. It replaces the traditional non-woven cotton felt to solve the uneven problem of the steel plate door shell caused by the shrinkage stress of the foaming material. While ensuring the appearance quality of the steel plate door body, the product cost is reduced and the product competitiveness is improved.

[0004] The deficiencies of the above-mentioned existing technical solutions are as follows: The bonding process between the first PE film layer, the EPE sponge layer, and the second PE film layer is relatively complex, which is not conducive to improving production efficiency. Content of the Utility Model

[0005] The purpose of the utility model is to provide a felt for a refrigerator steel plate door to solve the technical problem that the bonding process between the first PE film layer, the EPE sponge layer, and the second PE film layer in the prior art is relatively complex, resulting in low production efficiency.

[0006] The technical problem to be solved by the utility model can be realized through the following technical solutions:

[0007] A felt for a refrigerator steel plate door, comprising:

[0008] A sponge layer plate fixing frame, including a first frame body, a first frame through groove is penetrated through the first frame body, fixing plates one are fixedly connected to the four corners of the first frame body, and a first socket rod is fixedly connected to the fixing plate one;

[0009] A fiber layer plate fixing frame, including a second frame body, a second frame through groove is penetrated through the second frame body, fixing plates two are fixedly connected to the four corners of the second frame body, and a second socket rod is fixedly connected to the fixing plate two;

[0010] The EPE sponge laminate includes a first laminate body. The four sides of the first laminate body are all sleeved on the first socket rod, and the first laminate body is sleeved inside the first frame body.

[0011] The fiber laminate includes a second laminate body. The four sides of the second laminate body are all sleeved on the second socket rod, and the second laminate body is sleeved inside the second frame body.

[0012] As a further scheme of the utility model: an embedding groove one corresponding to the first fixing plate is opened on the first laminate body. A socket hole one corresponding to the first socket rod is opened in the embedding groove one, and the socket hole one is opened on the first laminate body.

[0013] As a further scheme of the utility model: the socket holes one on the first laminate body are sleeved on the first socket rod one by one in correspondence.

[0014] As a further scheme of the utility model: an embedding groove two corresponding to the second fixing plate is opened on the second laminate body. A socket hole two corresponding to the second socket rod is opened in the embedding groove two, and the socket hole two is opened on the second laminate body.

[0015] As a further scheme of the utility model: the socket holes two on the second laminate body are sleeved on the second socket rod one by one in correspondence.

[0016] As a further scheme of the utility model: docking bumps are fixedly connected to the second socket rod. Docking holes corresponding to the docking bumps are opened on the first socket rod, and the docking bumps are sleeved in the docking holes.

[0017] The beneficial effects of the utility model:

[0018] 1. In the utility model, by setting the sponge laminate fixing frame and the fiber laminate fixing frame, the EPE sponge laminate is wrapped inside the sponge laminate fixing frame and the fiber laminate fixing frame. At the same time, the fiber laminate is set to provide support for the EPE sponge laminate, which is beneficial to improving the overall structural strength of the felt. The four sides of the first laminate body are all sleeved on the first socket rod, and the first laminate body is sleeved inside the first frame body. The four sides of the second laminate body are all sleeved on the second socket rod, and the second laminate body is sleeved inside the second frame body. Thus, it is convenient for the assembly between the sponge laminate fixing frame, the fiber laminate fixing frame, the EPE sponge laminate and the fiber laminate, which is beneficial to improving the production efficiency. By setting the docking bumps and the docking holes, it is convenient for the alignment installation between the first socket rod and the second socket rod, and thus it is convenient for the alignment installation between the sponge laminate fixing frame and the fiber laminate fixing frame, which is further beneficial to improving the production efficiency.

[0019] 2. The fixing plate 1 and the socket rod 1 of the present utility model are integrally plastic injection molded parts, and the fixing plate 2 and the socket rod 2 are integrally plastic injection molded parts. The surfaces of the socket rod 1 and the socket rod 2 are polished, facilitating the assembly of the EPE sponge layer board on the socket rod 1 and the socket rod 2. The frame body 1, the frame body 2 and the fiber layer board are all made of wood fiber boards, and only a small amount of glue is used in the bonding process between the sponge layer board fixing frame and the fiber layer board fixing frame during the production process. The raw materials used and the production process are more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present utility model will be further described below with reference to the accompanying drawings.

[0021] Figure 1 is a schematic three-dimensional structure of the present utility model Figure 1 ;

[0022] Figure 2 is a schematic three-dimensional structure of the present utility model Figure 2 ;

[0023] Figure 3 is a schematic three-dimensional structure diagram of the sponge layer board fixing frame of the present utility model;

[0024] Figure 4 is the present utility model Figure 3 enlarged structure diagram at position A in;

[0025] Figure 5 is a schematic three-dimensional structure diagram of the fiber layer board fixing frame of the present utility model;

[0026] Figure 6 is a schematic three-dimensional structure diagram of the EPE sponge layer board of the present utility model;

[0027] Figure 7 is a schematic three-dimensional structure diagram of the fiber layer board of the present utility model.

[0028] In the figure: 1. Sponge layer board fixing frame; 11. Frame body 1; 12. Fixing plate 1; 13. Frame through groove 1; 14. Socket rod 1; 15. Docking hole; 2. Fiber layer board fixing frame; 21. Frame body 2; 22. Fixing plate 2; 23. Frame through groove 2; 24. Socket rod 2; 25. Docking convex block; 3. EPE sponge layer board; 31. Layer board body 1; 32. Embedding groove 1; 33. Socket hole 1; 4. Fiber layer board; 41. Layer board body 2; 42. Embedding groove 2; 43. Socket hole 2. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0030] As Figures 1-7 shown, a refrigerator steel plate door felt includes:

[0031] A sponge layer plate fixing frame 1, including a frame main body one 11, a frame through slot one 13 is penetrated and opened on the frame main body one 11, fixing plates one 12 are fixedly connected to the four corners of the frame main body one 11, and a socket rod one 14 is fixedly connected to the fixing plate one 12;

[0032] A fiber layer plate fixing frame 2, including a frame main body two 21, a frame through slot two 23 is penetrated and opened on the frame main body two 21, fixing plates two 22 are fixedly connected to the four corners of the frame main body two 21, and a socket rod two 24 is fixedly connected to the fixing plate two 22;

[0033] An EPE sponge layer plate 3, including a layer plate main body one 31, the four sides of the layer plate main body one 31 are all sleeved on the socket rod one 14, and the layer plate main body one 31 is sleeved inside the frame main body one 11;

[0034] A fiber layer plate 4, including a layer plate main body two 41, the four sides of the layer plate main body two 41 are all sleeved on the socket rod two 24, and the layer plate main body two 41 is sleeved inside the frame main body two 21.

[0035] An embedding slot one 32 corresponding to the fixing plate one 12 is opened on the layer plate main body one 31, a socket hole one 33 corresponding to the socket rod one 14 is opened in the embedding slot one 32, the socket hole one 33 is opened on the layer plate main body one 31, and the socket hole one 33 on the layer plate main body one 31 is sleeved on the socket rod one 14 one by one.

[0036] An embedding slot two 42 corresponding to the fixing plate two 22 is opened on the layer plate main body two 41, a socket hole two 43 corresponding to the socket rod two 24 is opened in the embedding slot two 42, the socket hole two 43 is opened on the layer plate main body two 41, and the socket hole two 43 on the layer plate main body two 41 is sleeved on the socket rod two 24 one by one.

[0037] A docking convex block 25 is fixedly connected to each of the socket rods two 24. A docking hole 15 corresponding to the docking convex block 25 is provided on the socket rod one 14. The docking convex block 25 is sleeved in the docking hole 15. By providing the docking convex block 25 and the docking hole 15, the alignment installation between the socket rod one 14 and the socket rod two 24 is facilitated, and thus the alignment installation between the sponge layer board fixing frame 1 and the fiber layer board fixing frame 2 is facilitated.

[0038] The fiber layer board 4 is a fiberboard, which is a man-made board formed by interweaving wood cellulose fibers and made using its inherent adhesive properties. The frame body one 11 and the frame body two 21 are made of the same material as the fiber layer board 4. The sponge layer board fixing frame 1 and the fiber layer board fixing frame 2 are bonded by quick-drying glue. The fixing plate one 12 and the socket rod one 14 are integrally plastic injection molded parts, and the fixing plate two 22 and the socket rod two 24 are integrally plastic injection molded parts. The fixing plate one 12 is bonded to the frame body one 11 by glue, and the fixing plate two 22 is bonded to the frame body two 21 by glue.

[0039] In some specific implementation embodiments, the thicknesses of the fiber layer board 4, the sponge layer board fixing frame 1, and the fiber layer board fixing frame 2 are 8 mm.

[0040] To facilitate the understanding of this solution embodiment by those skilled in the art, the working principle of this solution is briefly described below in combination with a specific application scenario:

[0041] By setting a sponge layer fixing frame 1 and a fiber layer fixing frame 2, the EPE sponge layer 3 is wrapped inside the sponge layer fixing frame 1 and the fiber layer fixing frame 2, and a fiber layer 4 is set to provide support for the EPE sponge layer 3, which is beneficial to improving the overall structural strength of the felt. The layer body 31 is sleeved on the sleeve rod 14 on all sides, and the layer body 31 is sleeved in the frame body 11. The layer body 2 41 is sleeved on the sleeve rod 24 on all sides, and the layer body 2 41 is sleeved in the frame body 21, so as to facilitate the assembly between the sponge layer fixing frame 1, the fiber layer fixing frame 2, the EPE sponge layer 3 and the fiber layer 4, which is beneficial to improving the production efficiency. By setting the docking protrusion 25 and the docking hole 15, it is convenient to sleeve the rod 1 14 and the sleeve rod 24 are installed in alignment, which facilitates the alignment between the sponge layer fixing frame 1 and the fiber layer fixing frame 2, and is further beneficial to improving production efficiency. The fixed plate 12 and the sleeve rod 14 are plastic injection moldings as a whole, and the fixed plate 22 and the sleeve rod 24 are plastic injection moldings as a whole. The surfaces of the sleeve rod 14 and the sleeve rod 24 are polished, which facilitates the assembly of the EPE sponge layer 3 on the sleeve rod 14 and the sleeve rod 24. The frame body 11, the frame body 21 and the fiber layer 4 are all made of wood fiberboard, and in the production process, only a small amount of glue is used in the bonding process between the sponge layer fixing frame 1 and the fiber layer fixing frame 2, and the raw materials and production process used are more environmentally friendly.

[0042] Several embodiments of the utility model are described in detail above, but the embodiments of the utility model are not limited thereto and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A refrigerator steel door felt, characterized in that: include: The sponge layer plate fixing frame (1) comprises a frame body (11), a frame through slot (13) is formed through the frame body (11), a fixing plate (12) is fixedly connected to the four corners of the frame body (11), and a sleeve rod (14) is fixedly connected to the fixing plate (12); The fiber layer plate fixing frame (2) comprises a frame body (21) having a frame through slot (23) extending through the frame body (21), a fixing plate (22) fixedly connected to the four corners of the frame body (21), and a sleeve rod (24) fixedly connected to the fixing plate (22); The EPE sponge layer plate (3) comprises a layer plate main body (31), the layer plate main body (31) is sleeved on a sleeve rod (14) on all sides, and the layer plate main body (31) is sleeved in a frame main body (11); The fiber layer plate (4) comprises a second layer plate body (41), the second layer plate body (41) is sleeved on a second sleeve connecting rod (24) on all sides, and the second layer plate body (41) is sleeved in a second frame body (21).

2. A refrigerator steel door felt according to claim 1, characterized in that: The layer plate body (31) is provided with an embedding groove (32) corresponding to the fixing plate (12), and the embedding groove (32) is provided with a sleeve hole (33) corresponding to the sleeve rod (14), and the sleeve hole (33) is provided on the layer plate body (31).

3. A refrigerator steel door felt according to claim 2, characterized in that: The sleeve holes (33) on the layer plate body (31) are sleeved on the sleeve rods (14) in a one-to-one correspondence.

4. The refrigerator steel door felt according to claim 1, characterized in that: The second layer plate body (41) is provided with an embedding groove (42) corresponding to the second fixing plate (22), and the second embedding groove (42) is provided with a sleeve hole (43) corresponding to the second sleeve rod (24), and the sleeve hole (43) is provided on the second layer plate body (41).

5. The refrigerator steel door felt according to claim 4, characterized in that: The second sleeve holes (43) on the second layer plate body (41) are sleeved on the second sleeve rod (24) in a one-to-one correspondence.

6. The refrigerator steel door felt according to claim 1, characterized in that: The second sleeve rod (24) is fixedly connected with a docking protrusion (25), and the first sleeve rod (14) is provided with a docking hole (15) corresponding to the docking protrusion (25), and the docking protrusion (25) is sleeved in the docking hole (15).

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