Refrigerator door body, inner container and shell

Abstract

The utility model discloses a refrigerator door body which comprises an inner container, a shell and a core material. The inner container comprises an inner container body, a first blocking layer and a first heat sealing layer, the first blocking layer is arranged on the inner container body, and the first heat sealing layer is arranged on the first blocking layer; the shell comprises an outer shell body, a second blocking layer and a second heat sealing layer, the second blocking layer is arranged on the outer shell body, the second heat sealing layer is arranged on the second blocking layer, and the second heat sealing layer and the first heat sealing layer are oppositely arranged; the core material comprises a breathable powder-impermeable bag and a thermal insulation material, and the thermal insulation material is arranged in the breathable powder-impermeable bag; the core material is arranged between the inner container and the shell. The utility model further discloses an inner container and a shell. According to the refrigerator door body, the core material is arranged and comprises the breathable powder-impermeable bag and the heat preservation material, so that the core material is attached to the inner container and the outer shell more tightly, gaps between the core material and the inner container and between the core material and the outer shell are reduced, and the heat insulation performance of the refrigerator door body is good.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerator doors, in particular to a refrigerator door body, an inner container and an outer shell. Background Art

[0002] A refrigerator is a type of refrigeration equipment that maintains a constant low temperature. It is also a civilian product that keeps food or other items in a constant low-temperature state. Generally, a refrigerator has a freezer compartment for freezing food or other items and a refrigerator compartment for storing food or other items in a low-temperature environment.

[0003] A refrigerator includes a door. During the door manufacturing process, the vacuum insulation panel is typically placed inside the outer shell, and then the inner container is joined to the outer shell, completing the door. After the inner container and outer shell are joined, a gap exists between the vacuum insulation panel, the inner container, and the outer shell, affecting the panel's performance. Utility Model Content

[0004] Based on the above-mentioned problems existing in the prior art, one purpose of an embodiment of the present application is to provide a refrigerator door body, which is provided with a core material, the core material including an air-permeable and powder-impermeable bag and a thermal insulation material, so that the core material fits more closely with the inner liner and the outer shell, reduces the gap between the core material and the inner liner and the outer shell, and has good thermal insulation performance of the refrigerator door body.

[0005] The second purpose of the embodiment of the present application is to provide an inner liner.

[0006] The third purpose of the embodiments of the present application is to provide a housing.

[0007] The technical solution adopted by the present application to solve its technical problem is: a refrigerator door body, comprising an inner liner, an outer shell and a core material;

[0008] The liner comprises an inner liner body, a first barrier layer and a first heat-sealing layer, wherein the first barrier layer is arranged on the inner liner body, and the first heat-sealing layer is arranged on the first barrier layer;

[0009] The shell comprises an outer shell, a second barrier layer and a second heat-sealing layer, wherein the second barrier layer is arranged on the outer shell, the second heat-sealing layer is arranged on the second barrier layer, and the second heat-sealing layer is arranged opposite to the first heat-sealing layer;

[0010] The core material comprises an air-permeable and powder-impermeable bag and a heat-insulating material, wherein the heat-insulating material is arranged in the air-permeable and powder-impermeable bag; and the core material is arranged between the inner liner and the outer shell.

[0011] Furthermore, the first barrier layer is an aluminum foil layer; and the second barrier layer is an aluminum foil layer.

[0012] Furthermore, the first heat-sealing layer is a PE layer; the second heat-sealing layer is a PE layer.

[0013] Furthermore, the thermal insulation material is expanded perlite.

[0014] Furthermore, a getter and a desiccant are provided in the thermal insulation material.

[0015] Furthermore, an air extraction port for vacuuming is provided on the inner container.

[0016] Furthermore, it also includes an elastic plate, which is arranged between the shell and the core material.

[0017] Furthermore, the inner liner includes a vertical limiting plate, which abuts against the outside of the core material.

[0018] Furthermore, a first connecting structure is provided on the inner liner, the first connecting structure includes a lower connecting section, an inclined connecting section and an upper connecting section, the lower connecting section is provided on the side of the vertical limiting plate, one side of the inclined connecting section is connected to the lower connecting section, and the upper connecting section is connected to the other side of the inclined connecting section; a second connecting structure is provided on the outer shell, the second connecting structure includes a first connecting surface, an inclined connecting surface and a second connecting surface, the first connecting surface is arranged opposite to the lower connecting section, the inclined connecting surface is arranged opposite to the inclined connecting section, and the second connecting surface is arranged opposite to the upper connecting section.

[0019] The technical solution adopted by the present application to solve its technical problem is: an inner liner, including an inner liner body, a first barrier layer and a first heat-sealing layer, the first barrier layer is arranged on the inner liner body, and the first heat-sealing layer is arranged on the first barrier layer.

[0020] The technical solution adopted by the present application to solve its technical problem is: a shell, including an outer shell, a second barrier layer and a second heat-sealing layer, the second barrier layer is arranged on the outer shell, and the second heat-sealing layer is arranged on the second barrier layer.

[0021] The present application has the following beneficial effects: because the core material comprises an air-permeable, powder-impermeable bag and a thermal insulation material, and the thermal insulation material is disposed within the air-permeable, powder-impermeable bag, the core material can be closely attached to the inner container and outer shell during the manufacture of the refrigerator door, reducing the gap between the core material, the inner container, and the outer shell, thereby improving the thermal insulation performance of the refrigerator door. Furthermore, by providing an inner container and an outer shell, and respectively providing a first barrier layer and a second barrier layer on the inner container and the outer shell, both the inner container and the outer shell have a barrier effect, facilitating the vacuuming of the thermal insulation material. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is an exploded view of the refrigerator door in this application;

[0023] Figure 2 This is a cross-sectional view of the refrigerator door in this application;

[0024] Figure 3 is a cross-sectional view of another refrigerator door in this application;

[0025] Figure 4 This is a schematic diagram of the connection between the inner tank and the outer shell in this application.

[0026] Description of Reference Numerals

[0027] Inner liner 1, inner liner body 11, first barrier layer 12, first heat sealing layer 13, air extraction port 14, vertical limit plate 15, first connecting structure 16, lower connecting section 161, inclined connecting section 162, upper connecting section 163, outer shell 2, outer shell body 21, second barrier layer 22, second heat sealing layer 23, second connecting structure 24, first connecting surface 241, inclined connecting surface 242, second connecting surface 243, core material 3, air-permeable and powder-impermeable bag 31, thermal insulation material 32, elastic plate 4. DETAILED DESCRIPTION

[0028] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0029] like Figures 1 to 4 As shown, a refrigerator door body of the present invention includes an inner liner 1, an outer shell 2 and a core material 3; the inner liner 1 includes an inner liner body 11, a first barrier layer 12 and a first heat-sealing layer 13, the first barrier layer 12 is arranged on the inner liner body 11, and the first heat-sealing layer 13 is arranged on the first barrier layer 12; the outer shell 2 includes an outer shell 21, a second barrier layer 22 and a second heat-sealing layer 23, the second barrier layer 22 is arranged on the outer shell 21, the second heat-sealing layer 23 is arranged on the second barrier layer 22, and the second heat-sealing layer 23 is arranged opposite to the first heat-sealing layer 13; the core material 3 includes an air-permeable and powder-impermeable bag 31 and a heat-insulating material 32, the heat-insulating material 32 is arranged in the air-permeable and powder-impermeable bag 31; the core material 3 is arranged between the inner liner 1 and the outer shell 2.

[0030] Thus, the refrigerator door body of the present invention has a core material 3 comprising an air-permeable, powder-impermeable bag 31 and a heat-insulating material 32, and the heat-insulating material 32 is disposed within the air-permeable, powder-impermeable bag 31. This allows the core material 3 to fit tightly with the inner liner 1 and outer shell 2 during manufacture, reducing the gaps between the refrigerator door body and the inner liner 1 and outer shell 2, resulting in improved performance of the refrigerator door body. By providing the inner liner 1 and outer shell 2, and providing the inner liner 1 and outer shell 2 with the first barrier layer 12 and the second barrier layer 22, respectively, the inner liner 1 and outer shell 2 both have a barrier effect, facilitating vacuuming of the heat-insulating material 32.

[0031] In this embodiment, the first barrier layer 12 is an aluminum foil layer, and the second barrier layer 22 is an aluminum foil layer. The aluminum foil layer has a good barrier effect. By providing the aluminum foil layer, the barrier performance of the refrigerator door body is improved.

[0032] Furthermore, the first heat-sealing layer 13 is a PE layer; the second heat-sealing layer 23 is a PE layer. PE has good heat-sealing function. When making the refrigerator door, the inner liner 1 is placed on the outer shell 2 so that the first heat-sealing layer 13 is against the second heat-sealing layer 23. After heating, the first heat-sealing layer 13 and the second heat-sealing layer 23 are heat-sealed together, so that the inner liner 1 and the outer shell 2 are tightly connected together.

[0033] In this embodiment, the insulation material 32 is one or more of expanded perlite, fumed silica, precipitated silica, and microsilica. For example, if the insulation material 32 is expanded perlite, the expanded perlite is placed in an air-permeable, powder-impermeable bag 31. The core material 3 is then placed on the inner liner 1. Pressure is applied to the core material 3 so that one side of the core material 3 is tightly attached to the inner liner 1. The outer shell 2 is then placed on the other side of the core material 3, placing the core material 3 between the outer shell 2 and the inner liner 1. Furthermore, a getter and a desiccant are provided within the insulation material 32. By providing the getter and desiccant, the gas remaining in the insulation material 32 is absorbed after the refrigerator door is manufactured, thereby improving the barrier properties of the refrigerator door.

[0034] Among them, an exhaust port 14 for vacuuming is provided on the inner liner 1. After the first heat-sealing layer 13 and the second heat-sealing layer 23 are heat-sealed together, an exhaust device can be used to vacuum the refrigerator door through the exhaust port 14. After vacuuming, the exhaust port 14 is sealed with a barrier film.

[0035] In order to further make the core material 3 fit tightly on the inner liner 1 and reduce the gap between the core material 3 and the inner liner 1, an elastic plate 4 is also included. The elastic plate 4 is arranged between the outer shell 2 and the core material 3. By arranging the elastic plate 4, the elastic plate 4 is lighter, so that the weight of the refrigerator door body is lighter. The elastic plate 4 is pressed against the bottom of the core material 3 to achieve a tight fit between the top of the core material 3 and the inner liner 1.

[0036] Furthermore, the inner liner 1 includes vertical limiting plates 15, which abut against the outside of the core material 3. There are four vertical limiting plates 15. After the core material 3 is placed in the inner liner 1, the four sides of the core material 3 abut against different vertical limiting plates 15, thereby limiting the core material 3 and facilitating the elastic plate 4 to apply pressure to the bottom of the core material 3.

[0037] In this embodiment, the inner container 1 is provided with a first connecting structure 16, which includes a lower connecting section 161, an inclined connecting section 162, and an upper connecting section 163. The lower connecting section 161 is provided on the side of the vertical limit plate 15, with one side of the inclined connecting section 162 connected to the lower connecting section 161, and the other side of the upper connecting section 163 connected to the inclined connecting section 162. The outer shell 2 is provided with a second connecting structure 24, which includes a first connecting surface 241, an inclined connecting surface 242, and a second connecting surface 243. The first connecting surface 241 is arranged opposite the lower connecting section 161, the inclined connecting surface 242 is arranged opposite the inclined connecting section 162, and the second connecting surface 243 is arranged opposite the upper connecting section 163. The lower connecting section 161, the inclined connecting section 162, and the upper connecting section 163 are provided with a first heat-sealing layer 13, while the first connecting surface 241, the inclined connecting surface 242, and the second connecting surface 243 are provided with a second heat-sealing layer 23. In this way, by providing the first connecting structure 16 and the second connecting structure 24, the heat-sealing area between the inner liner 1 and the outer shell 2 is increased, so that the inner liner 1 and the outer shell 2 have good sealing performance after being heat-sealed together.

[0038] Furthermore, a receiving groove is formed on the outer side of the outer shell 2, and a frame is provided in the receiving groove. In this way, during heat sealing, the outer surfaces of the outer shell 2 and the inner liner 1 can be heated, and then the first heat sealing layer 13 and the second heat sealing layer 23 can be heated, so that the first heat sealing layer 13 and the second heat sealing layer 23 are firmly heat-sealed together.

[0039] The present invention also discloses an inner liner 1, comprising an inner liner body 11, a first barrier layer 12, and a first heat-sealing layer 13. The first barrier layer 12 is arranged on the inner liner body 11, and the first heat-sealing layer 13 is arranged on the first barrier layer 12. Since the inner liner 1 is provided with the first barrier layer 12, the inner liner 1 has a barrier effect, so that the resulting refrigerator door has good barrier properties. The present invention also discloses an outer shell 2, comprising an outer shell 21, a second barrier layer 22, and a second heat-sealing layer 23. The second barrier layer 22 is arranged on the outer shell 21, and the second heat-sealing layer 23 is arranged on the second barrier layer 22. Since the outer shell 2 is provided with the second barrier layer 22, the outer shell 2 has a barrier effect. After the outer shell 2 is connected to the inner liner 1, the resulting refrigerator door has good barrier properties.

[0040] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A refrigerator door, comprising an inner container, an outer shell, and a core material; characterized in that: The liner comprises an inner liner body, a first barrier layer and a first heat-sealing layer, wherein the first barrier layer is arranged on the inner liner body, and the first heat-sealing layer is arranged on the first barrier layer; The shell comprises an outer shell, a second barrier layer and a second heat-sealing layer, wherein the second barrier layer is arranged on the outer shell, the second heat-sealing layer is arranged on the second barrier layer, and the second heat-sealing layer is arranged opposite to the first heat-sealing layer; The core material comprises an air-permeable and powder-impermeable bag and a heat-insulating material, wherein the heat-insulating material is arranged in the air-permeable and powder-impermeable bag; and the core material is arranged between the inner liner and the outer shell.

2. The refrigerator door according to claim 1, wherein: The first barrier layer is an aluminum foil layer; the second barrier layer is an aluminum foil layer.

3. The refrigerator door according to claim 1, wherein: The first heat-sealing layer is a PE layer; the second heat-sealing layer is a PE layer.

4. The refrigerator door according to claim 1, wherein: The thermal insulation material is one or more of expanded perlite, fumed silica, precipitated silica, and microsilica.

5. The refrigerator door according to claim 1, wherein: The inner container is provided with an air extraction port for vacuuming.

6. The refrigerator door according to claim 1, wherein: The invention also includes an elastic plate, which is arranged between the outer shell and the core material.

7. The refrigerator door according to claim 1, wherein: The inner liner includes a vertical limiting plate, and the vertical limiting plate abuts against the outer side of the core material.

8. The refrigerator door according to claim 7, wherein: A first connecting structure is provided on the inner tank, and the first connecting structure includes a lower connecting section, an inclined connecting section and an upper connecting section. The lower connecting section is provided on the side of the vertical limiting plate, one side of the inclined connecting section is connected to the lower connecting section, and the upper connecting section is connected to the other side of the inclined connecting section; a second connecting structure is provided on the outer shell, and the second connecting structure includes a first connecting surface, an inclined connecting surface and a second connecting surface. The first connecting surface is arranged opposite to the lower connecting section, the inclined connecting surface is arranged opposite to the inclined connecting section, and the second connecting surface is arranged opposite to the upper connecting section.

9. An inner container, characterized in that: The invention comprises an inner liner, a first barrier layer and a first heat-sealing layer, wherein the first barrier layer is arranged on the inner liner, and the first heat-sealing layer is arranged on the first barrier layer.

10. A housing, characterized in that: The invention comprises an outer shell, a second barrier layer and a second heat-sealing layer, wherein the second barrier layer is arranged on the outer shell, and the second heat-sealing layer is arranged on the second barrier layer.

Images