Thermal insulation carton for cold chain transportation

By installing outer and inner support components and three layers of protective components at the bottom and inside of the carton lid during cold chain transportation, the stability problem of the carton during stacking is solved, achieving temperature protection and structural protection for the goods.

CN223972953UActive Publication Date: 2026-03-06JIANGSU HAOJING IND DEV CO LTD
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Patent Information

Application Number
CN202520706499.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-06
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

Existing cold chain transport cartons have poor stability during stacking, are easily crushed, and cannot effectively protect the temperature and structural integrity of the goods inside.

Method used

A lid is installed on the top of the carton. The bottom and inside of the lid are provided with an outer support and an inner support. The lid has three layers of protection, including an outer protective layer, an insulation layer, and an inner partition. The outer support is connected to the top side of the carton through a placement slot, and the inner support is reinforced with a spherical array.

Benefits of technology

It improves the stability and support of the lid, distributes mechanical load, maintains cargo temperature, prevents collapse and structural damage, and enhances temperature protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a heat preservation carton for cold chain transportation. The heat preservation carton comprises a carton body. The carton cover is placed at the top of the carton, an outer supporting piece is arranged at the bottom of the carton cover, an inner supporting piece is arranged in the carton cover, and the stability of the carton cover in the cold chain transportation process is improved through the inner supporting piece and the outer supporting piece; the inner layer and the outer layer of the carton and the inner layer and the outer layer of the carton cover are each provided with a protection piece, and each protection piece is composed of three layers and used for conducting heat preservation and protection on goods placed on the carton and the carton cover in the cold chain transportation process. The stability and the supporting force of the box cover can be increased through the inner supporting bodies arranged in the box cover, so that the stability and the supporting force of the box cover when the box cover is stacked on the box cover in the cold chain transportation process are increased, and the outer supporting bodies can enable the box cover to disperse the borne force to the four sides of the carton box when the box cover is placed on the top side of the carton box through the containing grooves. And the bearing and supporting force of the outer bottom of the box cover is increased.
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Description

Technical Field

[0001] This utility model relates to the field of cold chain transportation cardboard box technology, and more specifically, to insulated cardboard boxes for cold chain transportation. Background Technology

[0002] In cold chain logistics, cardboard boxes need to withstand mechanical stress during handling and stacking. Existing cardboard boxes have poor stability. During the multi-layer stacking of cardboard boxes in cold chain transportation, the load-bearing capacity of the top of the cardboard box is put to the test. Most existing cardboard lids do not have added stabilizing structures, and they are prone to collapse or being squeezed during stacking, which can damage the goods inside or the structure of the cardboard box and fail to provide temperature protection.

[0003] Therefore, we made improvements and proposed insulated cardboard boxes for cold chain transportation. Utility Model Content

[0004] The purpose of this invention is to address the problem that most existing paper lids do not have a robust structure, and they are prone to collapse or being squeezed during stacking, which can damage the contents or the structure of the carton and fail to provide temperature protection.

[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0006] Insulated cardboard boxes for cold chain transportation are used to improve the above-mentioned problems.

[0007] The application is as follows:

[0008] Includes a cardboard box; a lid placed on top of the cardboard box, the bottom of which is provided with an outer support and the inside of which is provided with an inner support, the inner and outer support increasing the stability of the lid during cold chain transportation; the cardboard box and lid are provided with protective components on both the inner and outer layers, the protective components consisting of three layers, used to insulate and protect the goods placed in the cardboard box and lid during cold chain transportation.

[0009] As a preferred embodiment of the insulated cardboard box for cold chain transportation provided by this utility model, the protective component includes an outer protective layer bonded to the outer surface of the cardboard box and the box lid, an inner partition layer bonded to the inner wall of the cardboard box and the box lid, and an insulation layer bonded between the outer protective layer and the inner partition layer inside the cardboard box and the box lid.

[0010] As a preferred embodiment of the insulated cardboard box for cold chain transportation provided by this utility model, the four sides of the bottom of the box cover extend into placement grooves for placing with the top side of the cardboard box.

[0011] As a preferred embodiment of the insulated cardboard box for cold chain transportation provided by this utility model, the outer support includes a support cardboard with both ends fixedly connected to the center position of the box cover and the inner wall surface, respectively. An angle fixing cardboard is installed on the top side of one end of the support cardboard, and the angle fixing cardboard is integrally formed with the inner top wall surface of the box cover.

[0012] In a preferred embodiment of the insulated cardboard box for cold chain transportation provided by this utility model, the supporting cardboard is hollow and triangular in shape, with the supporting cardboard integrally provided in the hollow part of the supporting cardboard, and the supporting cardboard is fixed to the side wall of the box lid.

[0013] As a preferred embodiment of the insulated cardboard box for cold chain transportation provided by this utility model, the inner support includes a support body embedded in the insulation layer inside the box cover, and a sphere is placed in the four empty spaces of the support body. The spheres and the support body are arranged in an array inside the insulation layer, and the spheres are made of plastic.

[0014] As a preferred embodiment of the insulated cardboard box for cold chain transportation provided by this utility model, the overall thickness of the cardboard box is about 4-5mm, the outer protective layer is Russian cardboard with a thickness of about 0.4-0.5mm, the insulation layer is PS foam board with a thickness of about 3.2-4mm, and the inner partition is aluminum foil with a thickness of about 0.4-0.5mm.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] The internal support structure inside the lid increases the lid's stability and support, thus increasing its stability and support when stacked on top of the box during cold chain transportation. The external support structure allows the lid to distribute the force to all four sides of the carton when placed on top of the carton via the placement slot, increasing the load-bearing capacity and support of the bottom of the lid. Attached Figure Description

[0017] Figure 1 A three-dimensional structural diagram of the first type of insulated cardboard box for cold chain transportation provided in this application;

[0018] Figure 2 A three-dimensional structural diagram of the second type of insulated cardboard box for cold chain transportation provided in this application;

[0019] Figure 3 A schematic diagram of the internal structure of the insulated cardboard box for cold chain transportation provided in this application;

[0020] Figure 4 A schematic diagram of the internal structure of the insulation layer of the insulated cardboard box for cold chain transportation provided in this application;

[0021] Figure 5A schematic diagram of the supporting cardboard structure for the insulated cardboard box for cold chain transportation provided in this application.

[0022] The image shows:

[0023] 1. Carton; 11. Outer protective layer; 12. Insulation layer; 1201. Sphere; 1202. Support body; 13. Inner partition; 2. Box lid; 21. Placement slot; 22. Supporting cardboard; 23. Side support plate; 24. Corner fixing cardboard. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0025] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0026] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0027] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0028] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0029] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0030] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0032] Example 1

[0033] Please refer to Figure 1-5 The insulated cardboard box for cold chain transportation includes a cardboard box 1; a lid 2 placed on top of the cardboard box 1, with an outer support at the bottom and an inner support inside the lid 2. The inner and outer supports increase the stability of the lid 2 during cold chain transportation. Both the cardboard box 1 and the lid 2 have protective components on their inner and outer layers, consisting of three layers, used to insulate and protect the goods placed in the cardboard box 1 and lid 2 during cold chain transportation. The outer support includes a support cardboard 22 with both ends fixedly connected to the center of the lid 2 and the inner wall. A corner bracket 24 is installed on the top side of one end of the support cardboard 22, and the corner bracket 24 is integrally formed with the inner top wall of the lid 2. The support cardboard 22 is hollow and triangular, with the hollow portion integrally formed with the support cardboard 22, which is fixed to the side wall of the lid 2. The inner support includes a support body 1202 embedded inside the insulation layer 12 on the lid 2. A sphere 1201 is placed in the four spaces of the support body 1202. The spheres 1201 and the support body 1202 are arranged in an array inside the insulation layer 12. The spheres 1201 are made of plastic.

[0034] By placing a sphere 1201 inside the insulation layer 12 on the lid 2, all four sides of the lid 2 are triangular. Placing a sphere 1201 inside the triangular sections increases the stability and support of the lid 2, thereby increasing the stability and support of the lid 2 when it is stacked on top of the lid 2 during cold chain transportation. The support cardboard 22, which is connected from the bottom center of the lid 2 to the inner wall of the lid 2, can distribute the force on the lid 2 to the four sides of the carton 1 when it is placed on the top side of the carton 1 through the placement groove 21, thereby increasing the load-bearing and support of the bottom of the lid 2.

[0035] Example 2

[0036] The protective components include an outer protective layer 11 bonded to the outside of the carton 1 and the lid 2; an inner partition layer 13 bonded to the inner wall of the carton 1 and the lid 2; and an insulation layer 12 bonded to the inside of the carton 1 and the lid 2 between the outer protective layer 11 and the inner partition layer 13. The overall thickness of the carton 1 is approximately 4-5 mm. The outer protective layer 11 is made of Russian cardboard with a thickness of approximately 0.4-0.5 mm. The insulation layer 12 is made of PS foam board with a thickness of approximately 3.2-4 mm. The inner partition layer 13 is made of aluminum foil with a thickness of approximately 0.4-0.5 mm.

[0037] The outer protective layer 11 increases the waterproofness and protection of the exterior, while the insulation layer 12 and inner partition layer 13 maintain the temperature of the goods placed inside, reducing heat loss and heat loss due to contact with the outside.

[0038] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the invention, are covered within the scope of the claims of the present utility model.

Claims

1. Insulated carton for cold chain transport, characterized in that The application relates to a carton (1) and a box cover (2) placed on the top of the carton (1). The bottom of the box cover (2) is provided with an outer support, and the inside of the box cover (2) is provided with an inner support, which increases the stability of the box cover (2) during cold chain transportation. The inner and outer layers of the carton (1) and the box cover (2) are provided with protective members, which are composed of three layers and are used for heat preservation and protection of goods placed in the carton (1) and the box cover (2) during cold chain transportation. The protective member comprises an outer protective layer (11) adhered to the outer layer of the carton (1) and the box cover (2), the inner wall of the carton (1) and the box cover (2) is adhered with an inner partition layer (13), and a heat preservation layer (12) is adhered between the outer protective layer (11) and the inner partition layer (13) in the carton (1) and the box cover (2).

2. The cold chain shipping insulating carton of claim 1, wherein, The bottom of the box cover (2) is provided with four placing grooves (21) for placing the top side of the carton (1).

3. The cold chain shipping insulating carton of claim 1, wherein, The outer support comprises support paperboards (22) fixedly connected with the central position and the inner side wall of the box cover (2), and the top side of one end of the support paperboard (22) is provided with an angle fixing paperboard (24) which is integrally arranged with the inner top wall of the box cover (2).

4. The cold chain shipping insulating carton of claim 3, wherein, The support paperboard (22) is hollow, and the support paperboard (22) is triangular, and the hollow part of the support paperboard (22) is integrally provided with a support paperboard (22) which is fixed with the side wall of the box cover (2).

5. The cold chain shipping insulating carton of claim 4, wherein, The inner support comprises a support body (1202) embedded in the heat preservation layer (12) of the box cover (2), four spherical bodies (1201) are placed in the four hollow spaces of the support body (1202), the spherical bodies (1201) and the support body (1202) are arranged in the heat preservation layer (12), and the spherical bodies (1201) are made of plastic.

6. The cold chain shipping insulated paper carton of claim 2, wherein, The overall thickness of the carton (1) is 4-5mm, the outer protective layer (11) is Russian paper with a thickness of 0.4-0.5mm, the heat preservation layer (12) is a PS foamed board with a thickness of 3.2-4mm, and the inner partition layer (13) is an aluminum foil with a thickness of 0.4-0.5mm.

7. The cold chain shipping insulated paper carton of claim 2, wherein, ​