High-strength heat preservation refrigeration carton

By designing the lower frame, top cover assembly, partition assembly and buffer layer in the carton, combined with polyurethane foaming material and aluminum foil material, the problems of poor insulation effect and thin structure of existing cartons are solved, and higher insulation effect and structural strength are achieved.

CN222611910UActive Publication Date: 2025-03-14SHANGHAI FANHONG IND CO LTD
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Patent Information

Application Number
CN202421391962.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-03-14
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

Existing cartons cannot be effectively insulated during transportation, and their structure is thin and easy to deform. The lack of a buffer structure cannot provide sufficient protection.

Method used

A high-strength insulation refrigerated carton was designed, using the lower skeleton and top cover assembly to increase the strength of the box, the partition assembly and buffer layer were set, and polyurethane foaming material and aluminum foil material were used to improve the insulation effect and structural strength.

Benefits of technology

It achieves better insulation effect and structural strength, can effectively protect refrigerated items, extend the service life of the carton, and provide good cushioning protection during collisions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of packaging cartons, and discloses a high-strength heat preservation refrigeration carton which comprises an outer carton body, handles are fixedly connected to the two sides of the outer carton body, a lower framework is connected to the interior of the outer carton body in a bonding mode, a first buffer layer is arranged in the lower framework, and an inner carton body is arranged in the outer carton body. According to the high-strength heat preservation refrigeration carton, the lower framework, the upper framework, the protruding layer and the inner framework are formed by bonding and splicing the square pipes, the hollow structures of the square pipes are firm, the structural strength of the carton is improved, the carton is not prone to deformation, and the service life is prolonged; when the carton is collided, refrigerated articles make contact with the first buffer layer and the second buffer layer, the first buffer layer and the second buffer layer are stressed to deform to absorb collision force, and therefore the refrigerated articles in the carton are protected, the protection effect is good, the inner carton body is made of aluminum foil, certain heat can be reflected, and the heat preservation performance of the carton is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of folding cartons, in particular to a high-strength heat-insulating refrigerated carton. Background Art

[0002] Carton is a common packaging container, usually made of cardboard. Carton is mainly used for packaging, transporting and storing various commodities. It can provide certain protection and support to prevent refrigerated items from being damaged during transportation. Existing cartons are mainly made of cardboard, resulting in poor thermal insulation effect of cartons.

[0003] China Utility Model Patent Publication No.: CN 213263773 U, discloses: a high-strength thermal insulation carton, the high-strength thermal insulation carton, the box body and the box cover are provided with corner guards at the edges, the corner guards are conducive to improving the strength of the edges, thereby increasing the service life of the box body, the box body and the box cover are inlaid with expanded perlite particles and a wavy reflective layer in the insulation layer, which is conducive to improving the insulation effect of the box body, but the high-strength thermal insulation carton has no reinforcement structure inside, the structure of the carton is relatively thin and easy to deform, and there is no buffer structure inside the carton, which cannot provide buffering and protection for the items. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a high-strength heat-insulating refrigeration paper box, which can effectively solve the problems in the prior art.

[0005] The technical solution adopted by the utility model is: a high-strength heat-insulating refrigerated carton, comprising an outer box body, a lower frame is bonded and connected inside the outer box body, a buffer layer 1 is arranged inside the lower frame, an inner box body is arranged inside the outer box body, a top cover assembly is arranged at the upper end of the outer box body, and an interlayer assembly is arranged inside the inner box body;

[0006] The lower frame comprises a square tube and a thermal insulation filler 1, and the interior of the square tube is filled with the thermal insulation filler 1;

[0007] The top cover assembly comprises a top cover body, an upper frame, a protruding layer and a second buffer layer. The lower end of the top cover body is bonded to the upper frame, the lower end of the upper frame is bonded to the protruding layer, and the lower end of the protruding layer is bonded to the second buffer layer. The first buffer layer and the second buffer layer are made of cardboard repeatedly folded in a "J"-shaped structure.

[0008] The barrier layer assembly comprises an inner frame, a sealing plate and a support frame. The outer side of the inner frame is covered with a sealing plate, and the lower end of the sealing plate is bonded and connected to the support frame.

[0009] Through the above technical solution, a lower frame is provided, the strength of the outer box is improved, and the use effect is improved.

[0010] Preferably, handles are fixedly connected to both sides of the outer box body, the top cover assembly also includes a second thermal insulation filler, and the upper frame and the protruding layer are filled with the second thermal insulation filler.

[0011] Through the above technical solution, a top cover assembly is provided, which covers the upper end of the outer box body to keep the refrigerated items inside the carton warm.

[0012] Preferably, the insulation component also includes a third thermal insulation filler and a pull ring, the interior of the inner skeleton is filled with the third thermal insulation filler, and the upper end of the sealing plate is fixedly connected with a pull ring.

[0013] Through the above technical solution, a partition component is set up to divide the internal space of the carton, making full use of the storage space, while having a heat insulation function to improve the thermal insulation effect.

[0014] Preferably, the lower frame, the upper frame, the protruding layer and the inner frame are all made by gluing and splicing square tubes, and the outer diameter of the outer box body is the same as the inner diameter of the top cover body.

[0015] Through the above technical solution, the lower frame, upper frame, protruding layer and inner frame are made of square tubes bonded and spliced. The hollow structure of the square tube is relatively strong, which improves the structural strength of the carton, is not easy to deform, and extends the service life.

[0016] Preferably, the inner diameter of the inner box body is the same as the outer diameter of the barrier assembly, and the inner box body is adapted to the protruding layer.

[0017] Through the above technical solution, when the top cover assembly is covered on the upper end of the outer box body, the top cover body is wrapped around the outside of the outer box body, and the protruding layer is inserted into the inner box body, thereby improving the sealing of the carton and thus improving the thermal insulation effect.

[0018] Preferably, the thermal insulation filler 1, the thermal insulation filler 2 and the thermal insulation filler 3 are all made of polyurethane foam material, and the inner box body is made of aluminum foil.

[0019] Through the above technical scheme, thermal insulation filler 1, thermal insulation filler 2 and thermal insulation filler 3 made of polyurethane foam material are provided, and are respectively arranged in the upper frame, the top cover component and the partition component. The polyurethane foam material has good thermal insulation performance and structural strength, and is light in weight. When refrigerated items are placed in the carton, the polyurethane foam material insulates the refrigerated items. Buffer layer 1 and buffer layer 2 are made of cardboard repeatedly folded in a "J"-shaped structure. When the carton is collided, the refrigerated items contact with buffer layer 1 and buffer layer 2, and buffer layer 1 and buffer layer 2 are deformed by force to absorb the collision force, thereby protecting the refrigerated items inside the carton. The protective effect is good. The inner box body is made of aluminum foil, which can reflect a certain amount of heat and improve the thermal insulation performance of the carton.

[0020] Compared with the prior art, the utility model provides a high-strength heat-insulating refrigerated carton, which has the following beneficial effects:

[0021] 1. The high-strength heat-insulating refrigerated carton is provided with an interlayer component to divide the internal space of the carton, making full use of the storage space, and having a heat-insulating function to improve the heat-insulating effect. When the top cover component is covered on the upper end of the outer box body, the top cover body is wrapped on the outer side of the outer box body, and the protruding layer is inserted into the inner box body to improve the sealing of the carton, thereby improving the heat-insulating effect. Heat-insulating fillers 1, 2 and 3 made of polyurethane foam material are provided, which are respectively arranged in the upper frame, the top cover component and the interlayer component. The polyurethane foam material has good heat-insulating performance and structural strength, and is light in weight. When refrigerated items are placed in the carton, the polyurethane foam material keeps the refrigerated items warm;

[0022] 2. The high-strength thermal insulation refrigerated carton, the lower frame, upper frame, protruding layer and inner frame are made of square tubes bonded and spliced. The hollow structure of the square tube is relatively strong, which improves the structural strength of the carton, is not easy to deform, and extends the service life. Buffer layer 1 and buffer layer 2 are made of cardboard repeatedly folded in a "J" shape structure. When the carton is collided, the refrigerated items come into contact with buffer layer 1 and buffer layer 2. Buffer layer 1 and buffer layer 2 are deformed under force to absorb the collision force, thereby protecting the refrigerated items inside the carton with good protection effect. The inner box body is made of aluminum foil, which can reflect a certain amount of heat and improve the thermal insulation performance of the carton. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 The schematic diagram of the disassembly structure of the outer box and top cover assembly of the utility model Figure 1 ;

[0025] Figure 3 The utility model is a schematic diagram of the disassembly structure of the outer box and the top cover assembly Figure 2 ;

[0026] Figure 4 This is a schematic diagram of the disassembly structure of the outer box and the inner box of the utility model;

[0027] Figure 5 This is a schematic diagram of the disassembled structure of the top cover assembly of the utility model;

[0028] Figure 6 This is a schematic diagram of the structure of the interlayer component of the utility model.

[0029] Among them: 1. outer box body; 2. handle; 3. lower frame; 301. square tube; 302. thermal insulation filler 1; 4. buffer layer 1; 5. inner box body; 6. top cover assembly; 601. top cover body; 602. upper frame; 603. protruding layer; 604. thermal insulation filler 2; 605. buffer layer 2; 7. interlayer assembly; 701. inner frame; 702. sealing plate; 703. support frame; 704. thermal insulation filler 3; 705. pull ring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Embodiment 1: Figure 1-6 As shown, the utility model provides a high-strength heat-insulating refrigerated carton, comprising an outer box body 1, handles 2 are fixedly connected to both sides of the outer box body 1, a lower frame 3 is bonded and connected inside the outer box body 1, a buffer layer 4 is arranged inside the lower frame 3, an inner box body 5 is arranged inside the outer box body 1, a top cover assembly 6 is arranged at the upper end of the outer box body 1, and an interlayer assembly 7 is arranged inside the inner box body 5;

[0032] The lower frame 3 includes a square tube 301 and a heat-insulating filler 302, and the interior of the square tube 301 is filled with the heat-insulating filler 302;

[0033] The top cover assembly 6 includes a top cover body 601, an upper frame 602, a protruding layer 603 and a second buffer layer 605. The lower end of the top cover body 601 is bonded to the upper frame 602, the lower end of the upper frame 602 is bonded to the protruding layer 603, and the lower end of the protruding layer 603 is bonded to the second buffer layer 605. The first buffer layer 4 and the second buffer layer 605 are made of cardboard repeatedly folded in a "J" shape structure;

[0034] The interlayer assembly 7 includes an inner frame 701, a sealing plate 702, and a support frame 703. The outer side of the inner frame 701 is covered with the sealing plate 702, and the lower end of the sealing plate 702 is bonded and connected to the support frame 703.

[0035] Through the above technical solution, the lower frame 3 is provided, the strength of the outer box body 1 is improved, and the use effect is improved.

[0036] Preferably, the top cover assembly 6 also includes a second thermal insulation filler 604 , and the upper frame 602 and the protruding layer 603 are filled with the second thermal insulation filler 604 .

[0037] Through the above technical solution, a top cover assembly 6 is provided to cover the upper end of the outer box body 1 to keep the refrigerated items inside the carton warm.

[0038] Preferably, the interlayer assembly 7 further includes a thermal insulation filler 704 and a pull ring 705 , the interior of the inner skeleton 701 is filled with the thermal insulation filler 704 , and the upper end of the sealing plate 702 is fixedly connected to the pull ring 705 .

[0039] Through the above technical solution, the partition component 7 is provided to divide the internal space of the carton, making full use of the storage space, while having a heat insulation function to improve the heat preservation effect.

[0040] Embodiment 2: Figure 2-6 As shown, as an improvement to the previous embodiment.

[0041] Preferably, the lower frame 3 , the upper frame 602 , the protruding layer 603 and the inner frame 701 are all made by gluing and splicing the square tubes 301 , and the outer diameter of the outer box body 1 is the same as the inner diameter of the top cover body 601 .

[0042] Through the above technical solution, the lower frame 3, the upper frame 602, the protruding layer 603 and the inner frame 701 are made by gluing and splicing the square tube 301. The hollow structure of the square tube 301 is relatively strong, which improves the structural strength of the carton, is not easy to deform, and prolongs the service life.

[0043] Preferably, the inner diameter of the inner box body 5 is the same as the outer diameter of the barrier assembly 7 , and the inner box body 5 is adapted to the protruding layer 603 .

[0044] Through the above technical solution, when the top cover assembly 6 covers the upper end of the outer box body 1, the top cover body 601 is wrapped around the outside of the outer box body 1, and the protruding layer 603 is inserted into the inner box body 5, thereby improving the sealing of the carton and thus improving the thermal insulation effect.

[0045] Preferably, the thermal insulation filler 1 302 , the thermal insulation filler 2 604 and the thermal insulation filler 3 704 are all made of polyurethane foam material, and the inner box body 5 is made of aluminum foil.

[0046] Through the above technical scheme, a thermal insulation filler 302, a thermal insulation filler 604 and a thermal insulation filler 704 made of polyurethane foam material are provided, which are respectively arranged in the upper frame 602, the top cover component 6 and the partition component 7. The polyurethane foam material has good thermal insulation performance and structural strength, and is light in weight. When refrigerated items are placed in the carton, the polyurethane foam material insulates the refrigerated items. A buffer layer 4 and a buffer layer 605 made of cardboard repeatedly folded in a "J"-shaped structure are provided. When the carton is collided, the refrigerated items contact the buffer layer 4 and the buffer layer 605. The buffer layer 4 and the buffer layer 605 are deformed by the force to absorb the collision force, thereby protecting the refrigerated items inside the carton. The protective effect is good. The inner box body 5 is made of aluminum foil, which can reflect a certain amount of heat and improve the thermal insulation performance of the carton.

[0047] Working principle: When in use, refrigerated items are placed in the inner box 5, and the interlayer component 7 can be used to divide the internal space of the carton to make full use of the storage space and have a temperature insulation function. When the top cover component 6 is covered on the upper end of the outer box 1, the top cover body 601 is wrapped around the outside of the outer box 1, and the protruding layer 603 is inserted into the inner box 5 to improve the sealing of the carton. The lower frame 3, the upper frame 602, the protruding layer 603 and the inner frame 701 are made of square tubes 301 bonded and spliced. The hollow structure of the square tube 301 is relatively strong, which improves the structural strength of the carton and is not easy to deform. , extending the service life. When the carton is hit, the refrigerated items come into contact with the buffer layer 1 4 and the buffer layer 2 605. The buffer layer 1 4 and the buffer layer 2 605 are deformed under force to absorb the collision force, thereby protecting the refrigerated items inside the carton. The protection effect is good. The inner box body 5 is made of aluminum foil, which can reflect a certain amount of heat and improve the thermal insulation performance of the carton. The thermal insulation filler 1 302, the thermal insulation filler 2 604 and the thermal insulation filler 3 704 made of polyurethane foam material are respectively arranged in the upper frame 602, the top cover component 6 and the interlayer component 7 to keep the refrigerated items warm.

[0048] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength heat-insulating refrigerated carton, comprising an outer box body (1), characterized in that: The outer box (1) is bonded with a lower frame (3) inside, a buffer layer (4) is arranged inside the lower frame (3), an inner box (5) is arranged inside the outer box (1), a top cover assembly (6) is arranged at the upper end of the outer box (1), and an interlayer assembly (7) is arranged inside the inner box (5); The lower frame (3) comprises a square tube (301) and a thermal insulation filler (302), and the interior of the square tube (301) is filled with the thermal insulation filler (302); The top cover assembly (6) comprises a top cover body (601), an upper frame (602), a protruding layer (603) and a second buffer layer (605); the lower end of the top cover body (601) is bonded to the upper frame (602); the lower end of the upper frame (602) is bonded to the protruding layer (603); the lower end of the protruding layer (603) is bonded to the second buffer layer (605); the first buffer layer (4) and the second buffer layer (605) are made of cardboard repeatedly folded in a "J"-shaped structure; The barrier assembly (7) comprises an inner frame (701), a sealing plate (702), and a support frame (703); the outer side of the inner frame (701) is coated with a sealing plate (702), and the lower end of the sealing plate (702) is bonded to the support frame (703).

2. A high-strength heat-insulating refrigerated carton according to claim 1, characterized in that: The outer box body (1) is fixedly connected with handles (2) on both sides, the top cover assembly (6) also includes a second thermal insulation filler (604), and the upper frame (602) and the protruding layer (603) are filled with the second thermal insulation filler (604).

3. A high-strength heat-insulating refrigerated carton according to claim 2, characterized in that: The interlayer assembly (7) further comprises a third thermal insulation filler (704) and a pull ring (705); the interior of the inner frame (701) is filled with the third thermal insulation filler (704); and the upper end of the sealing plate (702) is fixedly connected with the pull ring (705).

4. A high-strength heat-insulating refrigerated carton according to claim 3, characterized in that: The lower frame (3), the upper frame (602), the protruding layer (603) and the inner frame (701) are all made by gluing and splicing square tubes (301), and the outer diameter of the outer box body (1) is the same as the inner diameter of the top cover body (601).

5. A high-strength heat-insulating refrigerated carton according to claim 4, characterized in that: The inner diameter of the inner box body (5) is the same as the outer diameter of the barrier layer assembly (7), and the inner box body (5) is compatible with the protruding layer (603).

6. A high-strength heat-insulating refrigerated carton according to claim 5, characterized in that: The thermal insulation filler 1 (302), the thermal insulation filler 2 (604) and the thermal insulation filler 3 (704) are all made of polyurethane foam material, and the inner box body (5) is made of aluminum foil.

Citation Information

Patent Citations

  • High-strength heat preservation carton

    CN213263773U