Door body and refrigeration equipment

By combining the door shell, frame, and door liner with the insulation layer, the high cost problem caused by the complex structure of the refrigerator door is solved, and a low-cost and highly efficient insulation refrigerator door design is achieved.

CN223580367UActive Publication Date: 2025-11-21TCL HOME APPLIANCES (HEFEI) CO LTD
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Patent Information

Application Number
CN202423035872.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-21
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The existing refrigerator door structure is complex, resulting in high production costs.

Method used

The door adopts a combined structure of door shell, frame, door liner and insulation layer. The door shell partially overlaps with the first connecting part, and the door liner partially overlaps with the second connecting part. An insulation layer is set in the space enclosed by the door shell, frame and door liner. The door shell, frame and door liner are all connected to the insulation layer. Foaming material is used to simplify the structure and improve mechanical strength.

Benefits of technology

It achieves a simplified structure, reduces production costs, and at the same time has good insulation performance and a long service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a door body and refrigeration equipment. The door body comprises a door shell, a frame, a door liner and a heat preservation layer, the frame comprises a frame body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are sequentially arranged at intervals in the extending direction of the frame body, and the first connecting part and the second connecting part are both arranged on the inner side of the frame body and are both connected with the frame body; the door shell is arranged on the side, away from the second connecting part, of the first connecting part and at least partially overlaps with the first connecting part, the door liner is arranged on the side, away from the first connecting part, of the second connecting part and at least partially overlaps with the second connecting part, and the heat preservation layer is arranged in a containing space defined by the door shell, the frame and the door liner. The door shell, the frame and the door liner are all connected with the heat preservation layer. The door body provided by the embodiment of the utility model is simple in structure, low in production cost, high in mechanical strength and long in service life.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of refrigeration equipment, in particular to a door body and a refrigeration equipment. BACKGROUND

[0002] A refrigerator is a common electrical appliance for low-temperature preservation of food or other articles, which is widely used in life and industry. The door body of the refrigerator is used to seal the inside of the refrigerator to prevent the leakage of cold air and to prevent the external hot air from entering the inside of the refrigerator, so as to maintain a low-temperature environment in the refrigerator. However, the existing refrigerator door body usually has a complex structure, which leads to a high production cost of the refrigerator door body. CONTENT OF THE UTILITY MODEL

[0003] Based on this, the embodiments of the present application provide a door body and a refrigeration equipment.

[0004] In a first aspect, the embodiments of the present application provide a door body, comprising a door shell, a frame, a door liner and a thermal insulation layer, the frame comprises a frame body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are sequentially and spaced apart in the extension direction of the frame body, the first connecting part and the second connecting part are both arranged on the inner side of the frame body and connected with the frame body, the door shell is arranged on the side of the first connecting part away from the second connecting part and at least partially overlaps with the first connecting part, the door liner is arranged on the side of the second connecting part away from the first connecting part and at least partially overlaps with the second connecting part, the thermal insulation layer is arranged in the accommodation space surrounded by the door shell, the frame and the door liner, and the door shell, the frame and the door liner are all connected with the thermal insulation layer.

[0005] In some embodiments, the door body further comprises a transition plate, the transition plate is arranged between the door shell and the first connecting part, the door shell and the transition plate are connected through a first adhesive layer, and the first connecting part and the transition plate are connected through a second adhesive layer.

[0006] In some embodiments, the thickness of the transition plate is 1.2mm-1.8mm; and / or,

[0007] The thickness of the first adhesive layer is 0.9mm-1.3mm; and / or,

[0008] The thickness of the second adhesive layer is 0.9mm-1.3mm.

[0009] In some embodiments, the first connecting part, the second connecting part and the transition plate are all in the shape of a frame.

[0010] In some embodiments, the width of the transition plate is less than or equal to the width of the first connecting part.

[0011] In some embodiments, the door shell comprises a shell and a flange, the flange is connected with the edge of the shell and extends towards the first connecting part, the flange is arranged between the outer side of the transition plate and the inner side of the frame.

[0012] In some embodiments, the gap between the outer side of the flange and the inner side of the frame is 0.3mm-0.7mm; and / or,

[0013] the gap between the inner side of the flange and the outer side of the transition plate is 2mm-3mm; and / or,

[0014] the gap between the end of the flange away from the shell and the first connecting part is 0.5mm-1mm.

[0015] In some embodiments, the door shell is made of metal; and / or, the transition plate is made of plastic.

[0016] In some embodiments, the thermal insulation layer is foamed material, the door shell, the frame and the door tank are bonded with the foamed material.

[0017] In a second aspect, the embodiments of the present application provide a refrigeration equipment comprising the door body as described above.

[0018] The door body provided by the embodiments of the present application has good thermal insulation effect, simple structure and low production cost, because the door shell and the door tank are respectively arranged at the two ends of the frame, the thermal insulation layer is arranged in the accommodation space surrounded by the door shell, the frame and the door tank, the door shell and the first connecting part at least partially overlap, the door tank and the second connecting part at least partially overlap, and the door shell, the frame and the door tank are connected with the thermal insulation layer, so that the door body has high mechanical strength and long service life. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced.

[0020] Figure 1 The figure is a perspective structural schematic diagram of the door body provided by the embodiments of the present application from the first perspective.

[0021] Figure 2 The figure is a perspective structural schematic diagram of the door body provided by the embodiments of the present application from the second perspective.

[0022] Figure 3 The figure is an exploded schematic diagram of the door body provided by the embodiments of the present application.

[0023] Figure 4 The figure is a front view schematic diagram of the door body provided by the embodiments of the present application.

[0024] Figure 5 Fig. 2 is a schematic view of the structure shown in Fig. 1 along the direction of A-A. Figure 4

[0025] Figure 6 Fig. 4 is an enlarged schematic view of the middle region B shown in Fig. 3. Figure 5

[0026] Element symbol explanation:

[0027] 100, door body; 20, door shell; 21, shell; 22, flange; 30, frame; 31, frame body; 32, first connecting part; 33, second connecting part; 40, door tank; 60, transition plate; 71, first adhesive layer; 72, second adhesive layer. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0031] ​​In the present application, unless specifically and explicitly defined otherwise, a first feature is "on", "over", or "above" a second feature if the first and second features are in direct contact, or the first and second features are in indirect contact with an intervening medium. Also, the first feature "over", "above", or "on" the second feature can mean the first feature is directly above or obliquely above the second feature, or simply means the first feature is horizontally higher than the second feature. The first feature "under", "below", or "underneath" the second feature can mean the first feature is directly below or obliquely below the second feature, or simply means the first feature is horizontally lower than the second feature.

[0032] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0033] Please refer to Figure 1 , Figure 2 and Figure 3 , the door body 100 provided by the embodiments of the present application includes a door shell 20, a frame 30, a door tank 40, and a thermal insulation layer (not shown).

[0034] Please refer to Figure 4 , Figure 5 and Figure 6 , the frame 30 includes a frame body 31, a first connecting portion 32, and a second connecting portion 33, the first connecting portion 32 and the second connecting portion 33 are sequentially and spaced apart according to the extension direction of the frame body 31, the first connecting portion 32 and the second connecting portion 33 are both arranged on the inner side of the frame body 31 and connected with the frame body 31, the door shell 20 is arranged on the side of the first connecting portion 32 away from the second connecting portion 33 and at least partially overlaps with the first connecting portion 32, the door tank 40 is arranged on the side of the second connecting portion 33 away from the first connecting portion 32 and at least partially overlaps with the second connecting portion 33, the thermal insulation layer is arranged in the accommodation space surrounded by the door shell 20, the frame 30, and the door tank 40, and the door shell 20, the frame 30, and the door tank 40 are all connected with the thermal insulation layer.

[0035] Exemplarily, the thermal insulation layer is foamed material, and the door shell 20, the frame 30 and the door tank 40 are bonded with the foamed material.

[0036] The door body 100 provided by the embodiment of the present application has good thermal insulation effect, simple structure and low production cost. Since the door shell 20 at least partially overlaps the first connecting part 32, the door tank 40 at least partially overlaps the second connecting part 33, and the door shell 20, the frame 30 and the door tank 40 are all connected with the thermal insulation layer, the door body 100 has high mechanical strength and long service life.

[0037] Please refer to Figure 3 and Figure 6 The door body 100 further comprises a transition plate 60, the transition plate 60 is arranged between the door shell 20 and the first connecting part 32, the door shell 20 and the transition plate 60 are connected through a first adhesive layer 71, and the first connecting part 32 and the transition plate 60 are connected through a second adhesive layer 72.

[0038] Exemplarily, the door shell 20 is made of metal.

[0039] Exemplarily, the door shell 20 can be a hot-dipped galvanized steel plate, a cold-rolled plate or an electro-galvanized plate.

[0040] Exemplarily, the transition plate 60 is made of plastic.

[0041] Exemplarily, the first adhesive layer 71 and the second adhesive layer 72 can both be double-sided adhesive tape.

[0042] It can be understood that, by arranging the transition plate 60 below the door shell 20, on the one hand, the transition plate 60 can support the door shell 20, thereby improving the mechanical strength of the door body 100, and on the other hand, when the door shell 20 is made of metal, the total thickness of the metal door shell 20 and the transition plate 60 is basically the same as the thickness of the existing glass panel, so that the metal door body of the embodiment of the present application can use the same foaming mold as the existing glass door body, thereby saving production cost.

[0043] Exemplarily, the preparation method of the door body 100 can be as follows: firstly, bonding the second glue layer 72 on the first connecting part 32 of the frame 30, setting the first glue layer 71 on the surface of the transition plate 60, connecting the transition plate 60 and the door shell 20 through the first glue layer 71, and connecting the transition plate 60 and the frame 30 through the second glue layer 72, then injecting the foaming material into the foaming cavity surrounded by the door shell 20 and the frame 30, and then placing the door liner 40, and obtaining the door body 100 after foaming.

[0044] In some other embodiments, the material of the door shell 20 can also be glass or plastic.

[0045] Exemplarily, the thickness of the transition plate 60 is 1.2mm-1.8mm, for example, 1.2mm, 1.3mm, 1.5mm, 1.8mm, etc.

[0046] Exemplarily, the thickness of the first glue layer 71 is 0.9mm-1.3mm, for example, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, etc.

[0047] Exemplarily, the thickness of the second glue layer 72 is 0.9mm-1.3mm, for example, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, etc.

[0048] Please refer to Figure 3 and Figure 6 , the first connecting part 32, the second connecting part 33 and the transition plate 60 are all in the shape of a frame.

[0049] Please refer to Figure 3 and Figure 6 , the width of the transition plate 60 is less than or equal to the width of the first connecting part 32.

[0050] Please refer to Figure 5 and Figure 6 , the door shell 20 comprises a shell 21 and a flange 22, the flange 22 is connected with the edge of the shell 21 and extends towards the first connecting part 32, and the flange 22 is arranged between the outer side of the transition plate 60 and the inner side of the frame 31.

[0051] It can be understood that by setting the flange 22 on the edge of the door shell 20, the mechanical strength of the door shell 20 can be increased, and the sharp corners of the edge of the door shell 20 can be avoided, in addition, the flange 22 can also cover the outer side of the transition plate 60, so that the outer surface of the door body 100 is more beautiful.

[0052] Exemplarily, the gap between the outer side of the flange 22 and the inner side of the frame 31 is 0.3mm-0.7mm, for example, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, etc.

[0053] Exemplarily, the gap between the end of the flange 22 away from the shell 21 and the first connecting part 32 is 0.5mm-1mm, for example, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, etc.

[0054] Exemplarily, the gap between the inner side of the flange 22 and the outer side of the transition plate 60 is 2mm-3mm, for example, 2mm, 2.2mm, 2.5mm, 2.7mm, 3mm, etc.

[0055] The embodiments of the present application also provide a refrigeration equipment, comprising the door body 100 in any of the above embodiments.

[0056] Exemplarily, the refrigeration equipment further comprises a cabinet, and the door body 100 is rotationally connected with the cabinet.

[0057] Exemplarily, the refrigeration equipment can be a refrigerator, a freezer, a cold drink machine, a refrigeration wine cabinet, a freezer, an ice cabinet, an ice cream machine, an ice maker, etc.

[0058] The door body and the refrigeration equipment provided by the embodiments of the present application are described in detail above. The principles and implementation manners of the present application are described by applying specific examples in this paper, and the above embodiment descriptions are only used to help understand the present application. Meanwhile, according to the ideas of the present application, the specific implementation manners and application ranges can be changed by those skilled in the art, and the above description should not be understood as limiting the present application.

Claims

1. A door body, characterized in that, The device includes a door shell, a frame, a door insert, and an insulation layer. The frame includes a body, a first connecting portion, and a second connecting portion. The first connecting portion and the second connecting portion are arranged at intervals along the extension direction of the body. Both the first connecting portion and the second connecting portion are located inside the body and connected to it. The door shell is located on the side of the first connecting portion away from the second connecting portion and at least partially overlaps with it. The door insert is located on the side of the second connecting portion away from the first connecting portion and at least partially overlaps with it. The insulation layer is located within an accommodating space enclosed by the door shell, the frame, and the door insert. Furthermore, the door shell, the frame, and the door insert are all connected to the insulation layer.

2. The door body according to claim 1, characterized in that, The door body also includes a transition plate, which is disposed between the door shell and the first connecting part. The door shell and the transition plate are connected by a first adhesive layer, and the first connecting part and the transition plate are connected by a second adhesive layer.

3. The door body according to claim 2, characterized in that, The thickness of the transition plate is 1.2mm to 1.8mm; and / or, The thickness of the first adhesive layer is 0.9 mm to 1.3 mm; and / or, The thickness of the second adhesive layer is 0.9mm to 1.3mm.

4. The door body according to claim 2, characterized in that, The first connecting part, the second connecting part, and the transition plate are all frame-shaped.

5. The door body according to claim 4, characterized in that, The width of the transition plate is less than or equal to the width of the first connecting part.

6. The door body according to claim 2, characterized in that, The door shell includes a housing and a flange. The flange is connected to the edge of the housing and extends toward the first connecting part. The flange is disposed between the outer side of the transition plate and the inner side of the frame.

7. The door body according to claim 6, characterized in that, The gap between the outer side of the flange and the inner side of the frame is 0.3mm to 0.7mm; and / or, The gap between the inner side of the flange and the outer side of the transition plate is 2mm~3mm; and / or, The gap between the end of the flange facing away from the housing and the first connecting part is 0.5mm~1mm.

8. The door body according to any one of claims 2-7, characterized in that, The door shell is made of metal; and / or the transition plate is made of plastic.

9. The door body according to any one of claims 1-7, characterized in that, The insulation layer is made of foamed material, and the door shell, the frame, and the door liner are all bonded to the foamed material.

10. A refrigeration device, characterized in that, Includes the door body as described in any one of claims 1-9.