Heat preservation box structure

Abstract

The utility model relates to the technical field of heat preservation boxes, in particular to a heat preservation box structure which comprises a box body and a box cover, the box body and the box cover are both made of heat preservation materials of a three-layer structure, and each heat preservation material comprises a heat preservation vacuum plate, a foam outer layer located on the outer side of the heat preservation vacuum plate and a heat preservation inner layer located on the inner side of the heat preservation vacuum plate. The heat preservation box is light in structure and texture, the foam outer layer serves as a template for fixing the heat preservation vacuum plate, meanwhile, the foam outer layer has a certain heat preservation effect, and the heat preservation effect is good. The gaps between the heat preservation vacuum plate and the outer foam layer and the gaps between the heat preservation vacuum plate and the inner heat preservation layer are filled with foaming materials, the three layers of materials can form a whole through the foaming materials, the structural strength of the heat preservation box is improved, and meanwhile the heat preservation performance of the heat preservation box can be further improved.

Description

Technical Field

[0001] This utility model relates to the field of insulated boxes, and in particular to an insulated box structure. Background Technology

[0002] Insulated boxes are storage devices with heat preservation properties and are widely used in food delivery, logistics and other fields.

[0003] An insulated box generally consists of a shell and an insulation layer. There are generally two ways to make the insulation layer: 1) It is made by directly foaming foam insulation materials (such as EPS, PP, pearl cotton, polyurethane foam, etc.) on the inner wall of the insulated box. The insulation material is single and the insulation performance is not ideal; 2) It is made by splicing prefabricated insulation boards. The insulation layer prepared by this method has gaps between the insulation boards and the insulation effect is not ideal. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a thermal insulation box structure.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An insulated box structure includes a box body and a box lid. Both the box body and the box lid are made of a three-layer insulation material. The insulation material includes an insulation vacuum board, an outer foam layer located outside the insulation vacuum board, and an inner insulation layer located inside the insulation vacuum board. The gaps between the insulation vacuum board, the outer foam layer, and the inner insulation layer are filled with foamed material.

[0007] Preferably, the insulation inner layer is a foam inner layer or a metal aluminum layer.

[0008] Preferably, when the inner insulation layer is a foam inner layer, the foam inner layer is a one-piece molded structure.

[0009] Preferably, the edges of the box body or the edges of the box lid are covered with foam.

[0010] Preferably, the outer foam layer is a one-piece molded structure.

[0011] Preferably, the box body and the box lid are connected by a hinge.

[0012] The beneficial effects of this utility model are:

[0013] 1. The structure of this insulated box is lightweight. The outer foam layer serves as a template for fixing the vacuum insulation board and also has a certain insulation effect. The gaps between the vacuum insulation board, the outer foam layer, and the inner insulation layer are filled with foamed material. The foamed material enables the three layers to form a whole, improving the structural strength of the insulated box and further enhancing its insulation performance.

[0014] 2. In this insulated box, the inner insulation layer is either a foam inner layer or a metal aluminum layer. When the inner insulation layer is a foam inner layer, its preparation is simpler, and the overall thickness of the insulation material is increased, which can improve the insulation effect to a certain extent. When the inner insulation layer is a metal aluminum layer, the metal aluminum layer can reduce the influence of heat radiation to a certain extent and improve the insulation effect of the insulated box. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of an insulated box structure proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the main cross-section of an insulated box structure proposed in this utility model;

[0017] Figure 3 This is a cross-sectional structural diagram of the insulation material for an insulated box structure proposed in this utility model.

[0018] In the diagram: 1. Box body, 2. Box lid, 31. Insulation vacuum board, 32. Foam outer layer, 33. Insulation inner layer, 34. Foaming material. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Reference Figure 1-3 An insulated box structure includes a box body 1 and a box lid 2. Both the box body 1 and the box lid 2 are made of a three-layer insulation material. The insulation material includes an insulation vacuum board 31, a foam outer layer 32 located outside the insulation vacuum board 31, and an insulation inner layer 33 located inside the insulation vacuum board 31. The gaps between the insulation vacuum board 31, the foam outer layer 32, and the insulation inner layer 33 are filled with foam material 34.

[0021] The inner insulation layer 33 is either a foam inner layer or a metal aluminum layer; when the inner insulation layer 33 is a foam inner layer, the foam inner layer is an integrally molded structure.

[0022] The edges of the box body 1 or the edges of the box lid 2 are covered with foam.

[0023] The outer foam layer 32 is a one-piece molded structure.

[0024] The box body 1 and the box cover 2 are connected by a hinge.

[0025] Normally, the box body 1 and the lid 2 can be used directly, or the box body 1 and the lid 2 can be wrapped with cloth bags or plastic shells to protect the box body 1 or the lid 2 and extend their service life.

[0026] In this embodiment, the material of the outer foam layer 32 is expanded polystyrene.

[0027] The structure of this insulated box is lightweight. The outer foam layer 32 serves as a template for fixing the vacuum insulation board 31 and also has a certain insulation effect. The gaps between the vacuum insulation board 31, the outer foam layer 32, and the inner insulation layer 33 are filled with foamed material 34. The foamed material 34 enables the three layers to form a whole, improving the structural strength of the insulated box and further enhancing its insulation performance.

[0028] In this insulated box, the inner insulation layer 33 is either a foam inner layer or a metal aluminum layer. When the inner insulation layer 33 is a foam inner layer, its preparation is simpler, and the overall thickness of the insulation material is increased, which can improve the insulation effect to a certain extent. When the inner insulation layer 33 is a metal aluminum layer, the metal aluminum layer can reduce the influence of heat radiation to a certain extent and improve the insulation effect of the insulated box.

[0029] During the production of this insulated box, taking the box body 1 as an example, firstly, a foam outer layer 33 is formed using a mold. Then, a total of 5 insulation vacuum boards are fixed to the inner wall of the foam outer layer 33: one on each side and one on the bottom plate. Double-sided or glue-assisted fixing can be used. Next, the insulation inner layer 33 is prepared. When the insulation inner layer 33 is a foam inner layer, it is foamed using a mold. When the insulation inner layer 33 is a metal aluminum layer, it is directly pasted. After completion, holes are drilled in the foam outer layer 33 and filled with foaming agent. Foaming material 34 is filled into the gaps between the insulation vacuum board 31, the foam outer layer 32, and the insulation inner layer 33. Finally, the drilled holes in the foam outer layer 33 are plugged.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A thermal box structure, comprising a box body (1) and a box lid (2), characterized in that, The box body (1) and the box cover (2) are both made of a three-layer insulation material. The insulation material includes an insulation vacuum board (31), an outer foam layer (32) located outside the insulation vacuum board (31), and an inner insulation layer (33) located inside the insulation vacuum board (31). The gaps between the insulation vacuum board (31), the outer foam layer (32), and the inner insulation layer (33) are filled with foamed material (34).

2. The insulation box structure according to claim 1, characterized in that, The inner insulation layer (33) is a foam inner layer or a metal aluminum layer.

3. The insulation box structure according to claim 1, characterized in that, When the inner insulation layer (33) is a foam inner layer, the foam inner layer is an integrally molded structure.

4. The structure of an insulated box according to claim 1, characterized in that, The edges of the box body (1) or the edges of the box lid (2) are covered with foam.

5. The structure of an insulated box according to claim 1, characterized in that, The outer foam layer (32) is a one-piece molded structure.

6. The structure of an insulated box according to claim 1, characterized in that, The box body (1) and the box cover (2) are connected by a hinge.

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