Waffle box with multi-layer heat insulation function

Abstract

The utility model discloses a waffle box with a multi-layer heat insulation function, which comprises a box body and a box cover, a plurality of criss-cross grids are arranged on the outer surfaces of the box body and the box cover, a plurality of uniformly distributed positioning columns are arranged on each surface in the box body, clamping blocks are arranged on the outer rings of the positioning columns, the inner surface of the box body is connected with a heat insulation foam plate, and the heat insulation foam plate is connected with the box cover. A plurality of first round holes corresponding to the positioning columns are formed in the heat insulation foam plate, cylindrical connecting pieces are arranged in the first round holes, the positioning columns are inserted into the cylindrical connecting pieces to enable the heat insulation foam plate to be connected with the box body, a heat insulation plastic plate is arranged on the outer side of the heat insulation foam plate, and a plurality of second round holes corresponding to the first round holes are formed in the heat insulation plastic plate. A threaded hole is formed in the center of the cylindrical connecting piece, and the heat insulation plastic plate is connected with the heat insulation foam plate through a bolt penetrating through the second round hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to a waffle box with multi-layer heat insulation function. BACKGROUND

[0002] Currently, many packaging boxes need to have the characteristics of heat insulation, firmness and repeatable assembly, especially in the field of food packaging and logistics transportation. However, the traditional packaging box design usually has the following defects:

[0003] Insufficient heat insulation performance: ordinary packaging materials such as single-layer foam or plastic board are difficult to meet the high-efficiency heat insulation demand, leading to the fact that the goods are easily affected by the external temperature during transportation.

[0004] Limited structural strength: the connection mode of ordinary box body and box cover lacks sufficient stability, which may be loose or deformed when subjected to external force or long-term use.

[0005] Complex assembly and disassembly: many existing designs need to use additional tools during assembly, or lack good positioning structure, resulting in low assembly efficiency.

[0006] Therefore, there is an urgent need for a waffle box that can solve the above problems, which not only has excellent heat insulation performance, but also can realize stable assembly effect and simplify the assembly and disassembly process. SUMMARY

[0007] The utility model aims at solving the above technical problems of prior art, and provides a waffle box with multi-layer heat insulation function.

[0008] The utility model provides a kind of waffle box with multi-layer heat insulation function, including box and box cover, the outer surface of box and box cover is equipped with several longitudinal and transverse interlaced grating, each face inside box is equipped with several evenly distributed positioning column, the outer circle of positioning column is equipped with 2-4 annular distribution's clamping block, the top of clamping block is equipped with conical chamfer, the inner surface of box is connected with heat insulation foam board, heat insulation foam board is equipped with several first circular hole corresponding with positioning column, the diameter of first circular hole is greater than the diameter of positioning column, the height of positioning column is less than the thickness of heat insulation foam board, first circular hole is equipped with cylindrical connector, the cylindrical connector includes insertion part and abutting portion, and the abutting portion is circular sheet body, and the insertion part includes 2-4 arc sheet bodies, and the number of arc sheet body is same with clamping block, and one end of arc sheet body is connected with circular sheet body and forms a cylindrical structure, the inner diameter of cylindrical structure is matched with positioning column, the outer diameter of cylindrical structure is less than the diameter of circular sheet body and equal to the diameter of first circular hole, the inner side of arc sheet body is equipped with clamping groove matched with clamping block, positioning column is inserted into cylindrical connector, so that clamping block is connected with clamping groove, and circular sheet body abuts against heat insulation foam board at the same time, the outer side of heat insulation foam board is equipped with heat insulation plastic plate, heat insulation plastic plate is equipped with several second circular hole corresponding with first circular hole, the center of cylindrical connector is equipped with threaded hole, and heat insulation plastic plate is connected with heat insulation foam board by bolt passing through second circular hole.

[0009] As further improvement, the first counterbore is coaxially arranged above the first circular hole of the heat insulation foam board, the diameter of the first counterbore is greater than or equal to the diameter of the circular sheet body, the depth of the first counterbore is greater than or equal to the thickness of the circular sheet body, and the first counterbore is used for accommodating the circular sheet body so that the surface of the heat insulation foam board is flush.

[0010] As further improvement, the heat insulation plastic plate is designed as a hollow.

[0011] As further improvement, the material of the box cover is EPP, the box cover includes a panel and a cover body, the panel is matched with the outer dimension of the box, the cover body is matched with the inner dimension of the box, and the box cover is connected with the box by the way that the cover body is clamped into the box.

[0012] As further improvement, the second counterbore is coaxially arranged above the second circular hole of the heat insulation plastic plate, the diameter of the second counterbore is greater than or equal to the diameter of the bolt head, the depth of the second counterbore is greater than or equal to the thickness of the bolt head, and the second counterbore is used for accommodating the bolt head so that the surface of the heat insulation plastic plate is flush.

[0013] As further improvement, the material of the heat insulation foam board is EPP.

[0014] Beneficial effects:

[0015] Significant thermal insulation performance: Through the multi-layer thermal insulation structure, including thermal insulation foam board and thermal insulation plastic board, and material selection such as EPP material, the thermal insulation effect of the box body is significantly improved, which can be used for packaging temperature-sensitive items.

[0016] Enhanced structural stability: The design of the positioning column and the cylindrical connector ensures reliable fixation between the box body and the thermal insulation material, reducing the problem of loosening or deformation caused by long-term use.

[0017] Convenient assembly: The ingenious combination of the clamping block and the clamping groove, as well as the threaded hole and the bolt, makes the assembly and disassembly process unnecessary special tools, greatly improving user experience and operation efficiency.

[0018] Anti-slip and durable: The grid design on the surface of the box body and the lid not only provides excellent anti-slip effect, but also improves the compression strength and durability of the box. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is an external view of a waffle box with multi-layer thermal insulation function;

[0020] Figure 2 is a sectional view of a waffle box with multi-layer thermal insulation function;

[0021] Figure 3 is Figure 2 a partial enlarged view of

[0022] Figure 4 is a connection structure diagram of the box body, thermal insulation foam board and thermal insulation plastic board;

[0023] 1. Box body 2. Lid 3. Grid 4. Positioning column 41. Clamping block 5. First circular hole 6. Cylindrical connector 61. Circular piece 62. Arc-shaped piece 63. Clamping groove 7. Second circular hole 8. Bolt 9. Thermal insulation foam board 10. Thermal insulation plastic board. DETAILED DESCRIPTION

[0024] In order to deepen the understanding of the present application, the present application will be further described in conjunction with the embodiments and drawings, which are only used to explain the present application and do not constitute a limitation on the protection scope of the present application.

[0025] As Figures 1 to 4 shown, a waffle box with multi-layer thermal insulation function includes a box body 1, a lid 2, a grid 3, a positioning column 4, a clamping block 41, a first circular hole 5, a cylindrical connector 6, a circular piece 61, an arc-shaped piece 62, a clamping groove 63, a second circular hole 7, a bolt 8, a thermal insulation foam board 9, and a thermal insulation plastic board 10.

[0026] The utility model provides a kind of waffle box with multi-layer heat insulation function, including box body 1 and box cover 2, the material of box cover 2 is EPP, box cover 2 includes panel and cover body, panel is compatible with the outside dimension of box body 1, cover body is compatible with the inside dimension of box body 1, box cover 2 is connected with box body 1 by the way of cover body card into box body 1, the outer surface of box body 1 and box cover 2 is equipped with several longitudinal and transverse interlaced grating 3;

[0027] Every surface in box body 1 inside is equipped with several evenly distributed positioning column 4, the outer circle of positioning column 4 is equipped with 2-4 annular distribution's clamping block 41, the top of clamping block 41 is equipped with taper chamfer, the inner surface of box body 1 is connected with heat insulation foam board 9, the material of heat insulation foam board 9 is EPP, heat insulation foam board 9 is equipped with several first circular hole 5 corresponding with positioning column 4, the diameter of first circular hole 5 is greater than the diameter of positioning column 4, the height of positioning column 4 is less than the thickness of heat insulation foam board 9, first circular hole 5 is equipped with cylindrical connector 6 inside, the cylindrical connector 6 includes insertion part and abutting portion, abutting portion is circular sheet body 61, insertion part includes 2-4 arc sheet body 62, the number of arc sheet body 62 is same with clamping block 41, one end of arc sheet body 62 is connected with circular sheet body 61 and forms a cylindrical structure, the inner diameter of cylindrical structure is compatible with positioning column 4, the outer diameter of cylindrical structure is less than the diameter of circular sheet body 61 and equal to the diameter of first circular hole 5, the inner side of arc sheet body 62 is equipped with clamping groove 63 compatible with clamping block 41, positioning column 4 is inserted into cylindrical connector 6, so that clamping block 41 is connected with clamping groove 63, while circular sheet body 61 abuts heat insulation foam board 9, first counterbore is provided above first circular hole 5 of heat insulation foam board 9, first counterbore is coaxially arranged with first circular hole 5, the diameter of first counterbore is greater than or equal to the diameter of circular sheet body 61, the depth of first counterbore is greater than or equal to the thickness of circular sheet body 61, first counterbore is used to accommodate circular sheet body 61 so that the surface of heat insulation foam board 9 is flush;

[0028] The outer side of heat insulation foam board 9 is equipped with heat insulation plastic plate 10, the heat insulation plastic plate 10 is hollow design, heat insulation plastic plate 10 is equipped with several second circular hole 7 corresponding with first circular hole 5, the center of cylindrical connector 6 is equipped with threaded hole, heat insulation plastic plate 10 is connected with heat insulation foam board 9 by bolt 8 passing through second circular hole 7, second counterbore is provided above second circular hole 7 of heat insulation plastic plate 10, second counterbore is coaxially arranged with second circular hole 7, the diameter of second counterbore is greater than or equal to the diameter of bolt 8 head, the depth of second counterbore is greater than or equal to the thickness of bolt 8 head, second counterbore is used to accommodate bolt 8 head so that the surface of heat insulation plastic plate 10 is flush.

[0029] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A waffle box having a multi-layer thermal insulation function, characterized in that, The utility model relates to a box, which comprises a box body and a box cover, and the outer surfaces of the box body and the box cover are provided with a plurality of longitudinal and transverse intersecting grids, each face of the box body is provided with a plurality of uniformly distributed positioning columns, the outer circle of the positioning column is provided with 2-4 annularly distributed clamping blocks, the top of the clamping block is provided with a tapered chamfer, the inner surface of the box body is connected with a heat insulation foam plate, the heat insulation foam plate is provided with a plurality of first circular holes corresponding to the positioning columns, the diameter of the first circular hole is greater than the diameter of the positioning column, the height of the positioning column is less than the thickness of the heat insulation foam plate, the first circular hole is provided with a cylindrical connecting piece, the cylindrical connecting piece comprises a plug-in part and an abutting part, the abutting part is a circular sheet, the plug-in part comprises 2-4 arc-shaped sheets, the number of the arc-shaped sheets is the same as that of the clamping blocks, one end of the arc-shaped sheet is connected with the circular sheet to form a cylindrical structure, the inner diameter of the cylindrical structure is matched with the positioning column, the outer diameter of the cylindrical structure is smaller than the diameter of the circular sheet and equal to the diameter of the first circular hole, the inner side of the arc-shaped sheet is provided with a clamping groove matched with the clamping block, the positioning column is inserted into the cylindrical connecting piece so that the clamping block is connected with the clamping groove, and the circular sheet abuts against the heat insulation foam plate, the outer side of the heat insulation foam plate is provided with a heat insulation plastic plate, the heat insulation plastic plate is provided with a plurality of second circular holes corresponding to the first circular holes, the center of the cylindrical connecting piece is provided with a threaded hole, and the heat insulation plastic plate is connected with the heat insulation foam plate through a bolt penetrating through the second circular hole.

2. The waffle box having a multi-layer thermal insulation function according to claim 1, wherein, The first counterbore is coaxially arranged above the first circular hole of the heat insulation foam plate, the diameter of the first counterbore is greater than or equal to the diameter of the circular sheet, and the depth of the first counterbore is greater than or equal to the thickness of the circular sheet.

3. The waffle box with multi-layer insulation function according to claim 1, characterized in that, The heat insulation plastic plate is designed as a hollow structure.

4. The waffle box with multi-layer insulation function according to claim 1, characterized in that, The material of the box cover is EPP, the box cover comprises a panel and a cover body, the panel is matched with the outer dimension of the box body, the cover body is matched with the inner dimension of the box body, and the box cover is connected with the box body in a mode that the cover body is clamped into the box body.

5. The waffle box with multi-layer insulation function according to claim 1, wherein, The second counterbore is coaxially arranged above the second circular hole of the heat insulation plastic plate, the diameter of the second counterbore is greater than or equal to the diameter of the head of the bolt, and the depth of the second counterbore is greater than or equal to the thickness of the head of the bolt.

6. The waffle box with multi-layer insulation function according to claim 1, wherein, The material of the heat insulation foam plate is EPP.

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