Multifunctional hollow glass door body for refrigerator
By injecting insulation material and foam into the hollow glass door body of the refrigerator, combined with the annular heating structure and airbag door seal, the problems of insufficient insulation performance and complex structure of the hollow glass door body are solved, and the effects of insulation, transparent visualization and cost reduction are achieved.
Patent Information
- Application Number
- CN202411749566.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-03-18
AI Technical Summary
The existing hollow glass door body is not as in thermal insulation as the foam door body. It also has complex structures and many parts, which is not conducive to quality control and cost control.
A multifunctional hollow glass door body is designed. By injecting insulation material into the left and right frames, insulating foam is filled in the upper and lower trim strips, and annular heating wire is installed in the door seal structure and heating structure. Combined with the door seal structure of the airbag structure, the effect of thermal insulation and transparent visualization is achieved.
The hollow glass door has both good thermal insulation and thermal insulation performance and transparent visualization. At the same time, it simplifies the door structure, reduces the number of parts, reduces production costs and assembly errors, and improves quality control.
Smart Images

Figure CN119642488A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of glass cabinet doors, and in particular relates to a multifunctional hollow glass door body for a refrigerator. Background Art
[0002] A refrigerator is a refrigeration device that maintains a constant low temperature. It is also a civilian product that keeps food or other items in a constant low temperature state. It is more common in homes, shopping malls, companies and other places. Through technological development, there are many types of refrigerator door bodies, generally including traditional foam door bodies, traditional hollow glass door bodies, etc. For example, traditional foam door bodies have good thermal insulation performance, which can better improve the thermal insulation effect of the refrigerator; but most of them are opaque structures, and the food in the refrigerator can only be seen by opening the door; and traditional hollow glass door bodies are generally transparent structures, and the food in the refrigerator can be seen intuitively without opening the door, but their thermal insulation performance is not as good as that of foam door bodies, which is not conducive to the thermal insulation effect of the refrigerator. In addition, the existing hollow glass door body structure is relatively complex, with many parts, which is not conducive to quality control.
[0003] Therefore, how to make the hollow glass door both heat-insulating and transparent and visual, and simplify the structure of the hollow glass door body, becomes the key technical problem to be solved in this solution. Summary of the invention
[0004] The purpose of the present invention is to provide a multifunctional hollow glass door body for a refrigerator, which solves the technical problem of how to make the hollow glass door both heat-insulating and transparent and visual, and can simplify the structure of the hollow glass door body, optimize and streamline the number of parts of the entire door body, which is conducive to cost reduction and quality control in the production process.
[0005] A multifunctional hollow glass door body for a refrigerator, comprising a left frame and a right frame parallel to each other, a hollow glass assembly clamped between the left frame and the right frame, an upper decorative strip connected to the top ends of the left frame and the right frame, a lower decorative strip connected to the bottom ends of the left frame and the right frame, an upper decorative strip cover plate connected to the inner side of the upper decorative strip, and a lower decorative strip cover plate connected to the inner side of the lower decorative strip, the upper decorative strip cover plate and the lower decorative strip cover plate are respectively abutted against the left frame and the right frame, a heat preservation material is injected into the left frame and the right frame, and the upper decorative strip and the lower decorative strip are filled with heat preservation foam;
[0006] A door sealing structure and a heating structure are arranged around the outside of the insulating glass assembly, and both the door sealing structure and the heating structure are annular structures.
[0007] The left frame is a long bar-shaped structure with a sealed outer side and a cavity provided inside, and the cavity is filled with the thermal insulation material, and the left frame has the same structure as the right frame;
[0008] A process groove 1, a barb, a glue groove, a cavity 1, a cavity 2, a door sealing side groove, a process groove 2, and a process groove 3 are sequentially arranged around the outer side of the left frame. An aluminum film is arranged in the process groove 1, glue is coated in the barb and the glue groove, and a door sealing structure is arranged in the door sealing side groove.
[0009] The upper decorative strip and the lower decorative strip have the same structure and are both U-shaped, and include a cross bar portion and vertical bar portions respectively fixed vertically at both ends of the cross bar portion, a cross filling groove is provided on one side of the cross bar portion, a plurality of connecting columns 2 are vertically provided in the cross filling groove, the thermal insulation foam is provided in the cross filling groove, a vertical filling groove is provided on one side of the vertical bar portion, a plurality of connecting columns 1 are vertically provided in the vertical filling groove;
[0010] The upper end surface of the cross bar is provided with a rotation groove for hinged connection with the refrigerator and a door handle groove for opening and closing the door, and the bottom end surface of the cross bar is provided with a clamping groove, which contacts the top end of the insulating glass assembly.
[0011] The upper decorative strip cover plate and the lower decorative strip cover plate have the same structure and are both in the shape of long strips, and a door seal horizontal groove is provided on one side, and door seal vertical grooves are provided at both ends of the side, the door seal horizontal groove is vertically connected with the door seal vertical groove, a through hole is provided at the corner where the door seal horizontal groove and the door seal vertical groove are connected, a bolt hole 1 is provided on the inner side of the door seal horizontal groove, and a clamping block is provided on the outer side, and a bolt hole 2 is provided on the door seal vertical groove;
[0012] A buckle is arranged on the upper part of the other side of the upper decorative strip, and a reinforcing rib is arranged on the lower part. Abutment parts are arranged on the bottom surfaces of both ends of the upper decorative strip.
[0013] The heating structure comprises an upper heating groove arranged at the lower end of the other side of the crossbar, side heating grooves respectively arranged on the outer sides of the left frame and the right frame, and a lower heating groove arranged at the upper end of one side of the lower decorative strip, wherein the side heating groove is arranged between the process groove 1 and the barb;
[0014] The upper heating groove, the side heating groove on the left frame, the side heating groove on the right frame, and the lower heating groove are connected end to end in sequence to form an annular structure. A heating wire is arranged in the annular structure, and the heating wire is connected to a power source.
[0015] The door sealing structure comprises an upper door sealing assembly, a lower door sealing assembly, and a side door sealing assembly arranged between the upper door sealing assembly and the lower door sealing assembly;
[0016] The upper door sealing assembly includes an upper door seal and upper fixing plates respectively fixedly connected to the two ends of the upper door seal; the side door sealing assembly includes a side door seal and side fixing plates respectively fixedly connected to the two ends of the side door seal; the lower door sealing assembly includes a lower door seal and lower fixing plates respectively fixedly connected to the two ends of the lower door seal; the upper fixing plate and the lower fixing plate are respectively engaged and connected with the side fixing plates.
[0017] The hollow glass assembly includes a glass plate 1, a glass plate 2, a glass plate 3 which are parallel to each other, a positioning frame 1 which is glued between the glass plate 1 and the glass plate 2, and a positioning frame 2 which is glued between the glass plate 2 and the glass plate 3; wherein argon gas is introduced into the middle of the interior of the three layers of glass.
[0018] The door sealing structure includes the upper door sealing strip, the lower door sealing strip and the side door sealing strip, all of which are airbag structures, and a heating wire is arranged in the airbag structure.
[0019] It should be noted that the left frame and the right frame, the upper decorative strip and the lower decorative strip, and the upper decorative strip cover and the lower decorative strip cover in this solution are made of ABS material or PVC material.
[0020] The left and right frames, upper and lower decorative strips, and upper and lower decorative strip covers in this plan are only for the convenience of description and are not fixed professional terms. Please note this.
[0021] The beneficial effects of the present invention are as follows:
[0022] (1) In this solution, the left and right frames, upper and lower decorative strips, upper and lower decorative strip cover plates, and left and right frames are connected to the upper and lower decorative strips by screws, and the upper and lower decorative strip cover plates are connected to the upper and lower decorative strips by screws, which reduces and optimizes the number of door body parts, is conducive to reducing overall assembly errors, improving assembly efficiency, reducing costs, and controlling quality during the production process;
[0023] (2) Filling the left and right frames with insulation materials and the upper and lower decorative strips with insulation foam will help improve the thermal insulation performance of the door body;
[0024] The heating structure designed in this solution further helps to insulate and preserve heat, while avoiding condensation on the glass, ensuring the clarity of the glass, and achieving the effect of both heat preservation and transparent visualization of the hollow glass door;
[0025] (3) The two ends of the upper and lower decorative strip cover plates are respectively against the ends of the left and right frames, forming a sealed and easily disassembled structure, while ensuring that the upper and lower decorative strip cover plates and the left and right frames are seamlessly matched, avoiding the technical problem of poor processability of refrigerator glass door products, ensuring dimensional stability, and reducing the number of similar parts, avoiding many inconveniences caused by similar parts;
[0026] (4) The door seal structure is designed to achieve the following technical effects:
[0027] First, through the closure of the upper door seal, lower door seal and side door seal, all of which are airbag structures, not only a good seal between the glass door and the refrigerator is achieved, but also the airbag has a buffering effect;
[0028] Second, a heating wire is arranged in the airbag structure, so that the present solution realizes heating on both the inner and outer sides of the glass door, further avoiding the generation of condensation, and helping to keep the inside and outside of the refrigerator glass door warm as a whole, avoiding the problem of waist deformation of the door body caused by thermal expansion and contraction;
[0029] Third, an upper fixing plate, a lower fixing plate and a side fixing plate are provided, and the upper fixing plate and the lower fixing plate are respectively engaged and connected with the side fixing plates, ensuring a good connection between the upper and lower decorative strip cover plates and the left and right frames, playing a guiding role. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a front view of the hollow glass door body of the present invention.
[0031] Figure 2 It is a partial rear view of the hollow glass door body of the present invention.
[0032] Figure 3 The structure of the upper decorative strip cover plate in the present invention is shown in FIG. Figure 1 .
[0033] Figure 4 The structure of the upper decorative strip cover plate in the present invention is shown in FIG. Figure 2 .
[0034] Figure 5 The structure of the upper decorative strip in the present invention is shown in FIG. Figure 1 .
[0035] Figure 6 The structure of the upper decorative strip in the present invention is shown in FIG. Figure 2 .
[0036] Figure 7 It is a structural schematic diagram of the left frame or the right frame in the present invention.
[0037] Figure 8 It is a schematic cross-sectional view of the left frame or the right frame in the present invention.
[0038] Fig. 9 It is a schematic structural diagram of the lower decorative strip in the present invention.
[0039] Fig.10 It is a schematic diagram of the structure of the insulating glass assembly in the present invention.
[0040] Fig.11It is a schematic structural diagram of the door seal assembly of the present invention.
[0041] Among them, the figures are marked as follows: 1, upper decorative strip cover plate; 2, right frame; 21, process groove one; 22, side heating groove; 23, barb; 24, cavity one; 241, glue groove; 25, cavity two; 26, door seal side groove; 27, process groove two; 28, process groove three; 3, insulating glass assembly; 31, glass plate one; 32, positioning frame one; 33, glass plate two; 34, positioning frame two; 35, glass plate three; 4, lower decorative strip cover plate; 41, door seal horizontal groove; 42, block; 43, Bolt hole one; 44, through hole; 45, bolt hole two; 46, door seal vertical groove; 47, abutment portion; 48, reinforcing rib; 49, buckle; 5, lower decorative strip; 50, upper heating groove; 51, rotation groove; 52, door handle groove; 53, vertical rod portion; 54, connecting column one; 55, snap-on groove; 56, connecting column two; 57, horizontal filling groove; 58, vertical filling groove; 6, left frame; 7, upper decorative strip; 9, upper door seal; 91, upper fixing plate; 10, side door seal; 101, side fixing plate. DETAILED DESCRIPTION
[0042] In order to more clearly illustrate the technical features of this solution, this solution is described below through specific implementation methods.
[0043] See also Figure 1-Figure 11 A multifunctional hollow glass door for a refrigerator comprises a right frame 2 and a left frame 6 which are parallel to each other, a hollow glass assembly 3 which is clamped between the right frame 2 and the left frame 6, an upper decorative strip 7 connected to the top of the right frame 2 and the left frame 6, a lower decorative strip 5 connected to the bottom of the right frame 2 and the left frame 6, an upper decorative strip cover plate 1 connected to the inner side of the upper decorative strip 7, and a lower decorative strip cover plate 4 connected to the inner side of the lower decorative strip 5, the upper decorative strip cover plate 1 and the lower decorative strip cover plate 4 are respectively abutted against the right frame 2 and the left frame 6, the right frame 2 and the left frame 6 are filled with heat-insulating materials, and the upper decorative strip 7 and the lower decorative strip 5 are filled with heat-insulating foam;
[0044] A door sealing structure and a heating structure are arranged around the outside of the insulating glass assembly 3, and both the door sealing structure and the heating structure are annular structures.
[0045] The right frame 2 is a long bar-shaped structure with a sealed outer side and a cavity provided inside, and the cavity is filled with a heat-insulating material. The structure of the right frame 2 is the same as that of the left frame 6;
[0046] A process groove 1 21, a barb 23, a glue groove 241, a cavity 1 24, a cavity 25, a door sealing side groove 26, a process groove 27, and a process groove 3 28 are arranged in sequence around the outer side of the right frame 2. An aluminum film is arranged in the process groove 1 21, glue is coated in the barb 23 and the glue groove 241, and a door sealing structure is arranged in the door sealing side groove 26.
[0047] The upper decorative strip 7 and the lower decorative strip 5 have the same structure and are both U-shaped, and include a crossbar portion, and vertical rod portions 53 respectively fixed vertically at both ends of the crossbar portion, a crossbar portion is provided with a cross filling groove 57 on one side, a plurality of connecting columns 56 are vertically arranged in the cross filling groove 57, and a heat preservation foam is arranged in the cross filling groove 57, and a vertical filling groove 58 is provided on one side of the vertical rod portion 53, and a plurality of connecting columns 54 are vertically arranged in the vertical filling groove 58;
[0048] The upper end surface of the crossbar is provided with a rotation groove 51 for hinged connection with the refrigerator and a door handle groove 52 for opening and closing the door, and the lower end surface of the crossbar is provided with a clamping groove 55, which contacts the top end of the insulating glass assembly 3.
[0049] The upper trim cover plate 1 and the lower trim cover plate 4 have the same structure and are both in the shape of long strips, and a door seal horizontal groove 41 is provided on one side, and door seal vertical grooves 46 are provided at both ends of the side, the door seal horizontal groove 41 is vertically connected with the door seal vertical groove 46, a through hole 44 is provided at the corner where the door seal horizontal groove 41 and the door seal vertical groove 46 are connected, a bolt hole 1 43 is provided on the inner side of the door seal horizontal groove 41, and a clamping block 42 is provided on the outer side, and a bolt hole 2 45 is provided on the door seal vertical groove 46;
[0050] A buckle 49 is provided on the upper part of the other side of the upper decorative strip 7 , and a reinforcing rib 48 is provided on the lower part. Abutment portions 47 are provided on the bottom surfaces of both ends of the upper decorative strip 7 .
[0051] The heating structure includes an upper heating groove 50 arranged at the lower end of the other side of the crossbar, side heating grooves 22 arranged on the outside of the right frame 2 and the left frame 6, and a lower heating groove arranged at the upper end of one side of the lower decorative strip 5. The side heating groove 22 is arranged between the process groove 1 21 and the barb 23.
[0052] The upper heating groove 50, the side heating groove 22 on the right frame 2, the side heating groove 22 on the left frame 6, and the lower heating groove are connected end to end to form an annular structure. A heating wire is arranged in the annular structure, and the heating wire is connected to a power source.
[0053] The door sealing structure comprises an upper door sealing assembly, a lower door sealing assembly, and a side door sealing assembly arranged between the upper door sealing assembly and the lower door sealing assembly;
[0054] The upper door sealing assembly includes an upper door seal 9 and upper fixing plates 91 respectively fixedly connected to the two ends of the upper door seal 9; the side door sealing assembly includes a side door seal 10 and side fixing plates 101 respectively fixed to the two ends of the side door seal 10; the lower door sealing assembly includes a lower door seal and lower fixing plates respectively fixedly connected to the two ends of the lower door seal; the upper fixing plate 91 and the lower fixing plate are respectively engaged and connected with the side fixing plates 101.
[0055] The insulating glass assembly 3 includes a glass plate 1 31 , a glass plate 2 33 , a glass plate 35 which are parallel to each other, a positioning frame 1 32 glued between the glass plate 1 31 and the glass plate 2 33 , and a positioning frame 2 34 glued between the glass plate 2 33 and the glass plate 3 35 .
[0056] The door seal structure includes an upper door seal 9, a lower door seal and a side door seal 10, all of which are airbag structures. A heating wire is provided in the airbag structure. The heating wire is connected to a heating circuit. The heating circuit has a controller to regulate the heating temperature of the heating wire. The heating circuit belongs to the prior art and will not be described in detail here.
[0057] The specific installation principle of the present invention is as follows:
[0058] The glass door body in this scheme is divided into an upper decorative strip 7, an upper decorative strip cover plate 1, an upper decorative strip 7 insulation foam, a lower decorative strip 5, a lower decorative strip cover plate 4, a lower decorative strip 5 insulation foam, a right frame 2, a left frame 6, and a hollow glass assembly. The upper decorative strip 7 insulation foam is arranged on the inner side of the upper decorative strip cover plate 1, and the lower decorative strip 5 insulation foam is arranged on the inner side of the lower decorative strip cover plate 4;
[0059] The upper trim strip 7 and the lower trim strip 5 are designed as a U-shaped structure, integrating the traditional independent corner reinforcements, which not only ensures the consistency of size but also enhances the structural strength;
[0060] The inner cavity of the right frame 2 and the left frame 6 is first filled with thermal insulation materials to achieve the effect of heat insulation and heat preservation. Specifically, before the right frame 2 and the left frame 6 are installed, the inside of the right frame 2 and the left frame 6 is first filled with thermal insulation materials, and then the upper decorative strip 7 and the lower decorative strip 5 are installed on the right frame 2 and the left frame 6. The entire installation involves fitting, threaded connection, docking, and gluing, and the installation process is simple and easy, and the installation efficiency is very high.
[0061] Technical features not described in the present invention can be achieved through or by adopting existing technologies and will not be described in detail here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.
Claims
1. A multifunctional hollow glass door for a refrigerator, characterized in that: The invention comprises a right frame (2) and a left frame (6) which are parallel to each other, a hollow glass assembly (3) which is arranged between the right frame (2) and the left frame (6), an upper decorative strip (7) connected to the top ends of the right frame (2) and the left frame (6), a lower decorative strip (5) connected to the bottom ends of the right frame (2) and the left frame (6), an upper decorative strip cover plate (1) connected to the inner side of the upper decorative strip (7), and a lower decorative strip cover plate (4) connected to the inner side of the lower decorative strip (5), wherein the upper decorative strip cover plate (1) and the lower decorative strip cover plate (4) are respectively in contact with the right frame (2) and the left frame (6), a thermal insulation material is injected into the right frame (2) and the left frame (6), and the upper decorative strip (7) and the lower decorative strip (5) are filled with thermal insulation foam; A door sealing structure and a heating structure are arranged around the outside of the insulating glass assembly (3), and both the door sealing structure and the heating structure are annular structures.
2. The multifunctional hollow glass door for refrigerator according to claim 1, characterized in that: The right frame (2) is a long bar-shaped structure with a sealed outer side and a cavity provided inside, wherein the cavity is filled with the thermal insulation material, and the right frame (2) and the left frame (6) have the same structure; A process groove 1 (21), a barb (23), a glue groove (241), a cavity 1 (24), a cavity 2 (25), a door sealing side groove (26), a process groove 2 (27), and a process groove 3 (28) are sequentially arranged around the outer side of the right frame (2); an aluminum film is arranged in the process groove 1 (21); glue is coated in the barb (23) and the glue groove (241); and a door sealing structure is arranged in the door sealing side groove (26).
3. The multifunctional hollow glass door for refrigerator according to claim 2, characterized in that: The upper decorative strip (7) and the lower decorative strip (5) have the same structure and are both U-shaped, and include a crossbar portion and vertical rod portions (53) respectively fixed vertically at both ends of the crossbar portion, a crossbar portion having a cross filling groove (57) disposed on one side thereof, a plurality of connecting columns (56) being vertically disposed in the cross filling groove (57), the heat insulation foam being disposed in the cross filling groove (57), a vertical filling groove (58) disposed on one side thereof, a plurality of connecting columns (54) being vertically disposed in the vertical filling groove (58); The upper end surface of the crossbar portion is provided with a rotation groove (51) for hinged connection with the refrigerator and a door handle groove (52) for opening and closing the door, and the lower end surface of the crossbar portion is provided with a clamping groove (55), and the clamping groove (55) is in contact with the top end of the insulating glass assembly (3).
4. The multifunctional hollow glass door for refrigerator according to claim 3, characterized in that: The upper decorative strip cover plate (1) and the lower decorative strip cover plate (4) have the same structure and are both in the shape of long strips, and a door seal horizontal groove (41) is provided on one side thereof, and door seal vertical grooves (46) are provided at both ends of the side respectively, the door seal horizontal groove (41) is vertically connected to the door seal vertical groove (46), a through hole (44) is provided at the corner where the door seal horizontal groove (41) and the door seal vertical groove (46) are connected, a bolt hole 1 (43) is provided on the inner side of the door seal horizontal groove (41), and a clamping block (42) is provided on the outer side, and a bolt hole 2 (45) is provided on the door seal vertical groove (46); A buckle (49) is provided on the upper side of the other side of the upper decorative strip (7), and a reinforcing rib (48) is provided on the lower side. Abutment portions (47) are provided on the bottom surfaces of both ends of the upper decorative strip (7).
5. The multifunctional hollow glass door for refrigerator according to claim 3, characterized in that: The heating structure comprises an upper heating groove (50) arranged at the lower end of the other side of the crossbar portion, side heating grooves (22) respectively arranged on the outside of the right frame (2) and the left frame (6), and a lower heating groove arranged at the upper end of one side of the lower decorative strip (5), wherein the side heating groove (22) is arranged between the process groove 1 (21) and the barb (23); The upper heating groove (50), the side heating groove (22) on the right frame (2), the side heating groove (22) on the left frame (6), and the lower heating groove are connected end to end in sequence to form an annular structure, and a heating wire is arranged in the annular structure, and the heating wire is connected to a power source.
6. The multifunctional hollow glass door for refrigerator according to claim 1, characterized in that: The door sealing structure comprises an upper door sealing assembly, a lower door sealing assembly, and a side door sealing assembly arranged between the upper door sealing assembly and the lower door sealing assembly; The upper door sealing assembly comprises an upper door sealing strip (9) and upper fixing plates (91) respectively fixedly connected to the two ends of the upper door sealing strip (9); the side door sealing assembly comprises a side door sealing strip (10) and side fixing plates (101) respectively fixedly connected to the two ends of the side door sealing strip (10); the lower door sealing assembly comprises a lower door sealing strip and lower fixing plates respectively fixedly connected to the two ends of the lower door sealing strip; the upper fixing plate (91) and the lower fixing plate are respectively engaged and connected with the side fixing plates (101).
7. A multifunctional hollow glass door for a refrigerator according to any one of claims 1 to 6, characterized in that: The insulating glass assembly (3) comprises a first glass plate (31), a second glass plate (33), a third glass plate (35) which are parallel to each other, a first positioning frame (32) glued between the first glass plate (31) and the second glass plate (33), and a second positioning frame (34) glued between the second glass plate (33) and the third glass plate (35).
8. The multifunctional hollow glass door for refrigerator according to claim 6, characterized in that: The door sealing structure comprises the upper door sealing strip (9), the lower door sealing strip and the side door sealing strip (10), all of which are airbag structures, and a heating wire is arranged in the airbag structure.