Damp-proof corrugated carton structure
By setting up water absorption and reinforcement layers on both sides of the paper core of the corrugated carton, setting up waterproof and fireproof layers on the outside, and setting up protective plates on the inside, the problems of moisture-absorbing and damage to fragile items in humid environments are solved, and a higher moisture-proof and protective effect is achieved.
Patent Information
- Application Number
- CN202421650419.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-12
AI Technical Summary
Existing corrugated cartons are prone to moisture in humid environments, resulting in mold and deterioration of internal items, and lack of protective structures. Fragile items are prone to collision and damage during transportation.
A moisture-proof corrugated carton structure is designed. By setting a water-absorbing layer and a reinforcement layer on both sides of the paper core, the water-absorbing layer absorbs water vapor, and the reinforcement layer increases the support strength of the outer layer of corrugated paper; a water-proof layer and a fire-proof layer are installed on the outside of the corrugated paper to prevent water vapor and flame from entering; a breathable hole is opened on the inside of the side plate to improve breathability; a first and second protective plates are installed inside, a soft layer and an elastic layer are installed on the top, and a wear-resistant layer is installed on the bottom to prevent items from being bumped and damaged.
Effectively prevent the inside of corrugated cartons from being damp, extend the shelf life of items, improve the overall firmness and durability of corrugated cartons, and reduce damage to fragile items during transportation.
Smart Images

Figure CN222906153U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of corrugated cartons, in particular to a moisture-proof corrugated carton structure. Background Art
[0002] Among various packages of industrial products, corrugated cartons have become the mainstream in the packaging industry. A corrugated carton is formed by folding and splicing several corrugated paperboards. The corrugated paperboard from the outside to the inside of the corrugated carton is the face paper, the core paper and the inner paper in sequence. The core paper is a double-layer wavy structure, and the two layers are separated by a partition board.
[0003] Since the existing corrugated paper is usually directly placed on the ground, when the ground is in a wet state, the corrugated carton is prone to moisture, making the items stored inside the corrugated carton liable to mildew. In addition, when storing fragile items in a corrugated carton, due to the lack of a protective structure inside, the fragile items are prone to being knocked and damaged. Content of the Utility Model
[0004] The purpose of the utility model is to solve the problems that the existing corrugated paper is usually directly placed on the ground, when the ground is in a wet state, the corrugated carton is prone to moisture, making the items stored inside the corrugated carton liable to mildew, and in addition, when storing fragile items in a corrugated carton, due to the lack of a protective structure inside, the fragile items are prone to being knocked and damaged, and a moisture-proof corrugated carton structure is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a moisture-proof corrugated carton structure, including side plates, the surface of the side plates is fixedly connected with a top cover, the side plates and the top cover have the same structure, the side plates are composed of an inner corrugated paper layer, an outer corrugated paper layer and a paper core connected together, and both sides of the inner wall of the side plates are respectively fixedly connected with a first protection plate and a second protection plate.
[0006] Preferably, the paper core is in a wavy shape, and a water absorption layer and a reinforcement layer are respectively arranged on both sides of the paper core.
[0007] Preferably, the water absorption layer is close to the inner side of the side plate, and the reinforcement layer is close to the outer side of the side plate.
[0008] Preferably, one side of the outer corrugated paper layer is fixedly connected with a waterproof layer, and one side of the waterproof layer is fixedly connected with a fireproof layer.
[0009] Preferably, ventilation holes are formed inside the side plates, and the ventilation holes are located at the bottom of the water absorption layer.
[0010] Preferably, the first protection plate and the second protection plate are located on the corresponding two sides, and the first protection plate and the second protection plate have the same structure.
[0011] Preferably, a soft layer is fixedly installed at the top of the first protective plate, an elastic layer is fixedly installed inside the first protective plate, a wear-resistant layer is fixedly installed at the bottom of the first protective plate, and the soft layer, the elastic layer and the wear-resistant layer are laminated and connected.
[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:
[0013] 1. In the present utility model, by providing a water-absorbing layer and a reinforcing layer on both sides of the paper core, the water-absorbing layer can absorb the water vapor inside the corrugated cardboard box, preventing the inside of the corrugated cardboard box from being in a humid state. The reinforcing layer can improve the support strength of the outer layer of the corrugated paper, thereby improving the overall firmness strength of the corrugated cardboard box. By providing a waterproof layer and a fireproof layer on the outside of the corrugated paper, the waterproof layer prevents water vapor from entering the inside of the corrugated cardboard box from the outer layer of the corrugated paper, and the fireproof layer can prevent losses caused by the corrugated cardboard box burning when it comes into contact with a flame. By providing ventilation holes on the inner side of the side plate, the air permeability inside the side plate is improved, enabling the water-absorbing layer to evaporate more quickly after absorbing water, preventing the water-absorbing layer from being filled with water vapor and easily mildewing to produce germs.
[0014] 2. In the present utility model, by providing a first protective plate and a second protective plate inside the corrugated cardboard box and placing the items on top of them, a soft layer and an elastic layer are provided on the top of the first protective plate, which can prevent the items inside from being knocked and damaged during the handling of the corrugated cardboard box. A wear-resistant layer is provided at the bottom of the first protective plate, which can improve the durability of the first protective plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic perspective view of the main body structure of a moisture-proof corrugated cardboard box structure proposed by the present utility model;
[0016] Figure 2 is a schematic internal structure view of the main body of a moisture-proof corrugated cardboard box structure proposed by the present utility model;
[0017] Figure 3 is a schematic cross-sectional view of the side plate of a moisture-proof corrugated cardboard box structure proposed by the present utility model;
[0018] Figure 4 is an enlarged schematic view of the structure at A of a moisture-proof corrugated cardboard box structure proposed by the present utility model;
[0019] Figure 5 is a schematic cross-sectional view of the first protective plate of a moisture-proof corrugated cardboard box structure proposed by the present utility model.
[0020] Legend: 1. Side plate; 101. Vent hole; 11. Inner corrugated paper layer; 12. Outer corrugated paper layer; 13. Paper core; 14. Water absorption layer; 15. Reinforcement layer; 16. Waterproof layer; 17. Fireproof layer; 2. Top cover; 3. First protective plate; 31. Soft layer; 32. Elastic layer; 33. Wear-resistant layer; 4. Second protective plate. Detailed implementation mode
[0021] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0022] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the limitations of the specific embodiments disclosed in the following specification.
[0023] Embodiment 1
[0024] As Figures 1 - 5 shown, the present utility model provides a technical solution: a moisture-proof corrugated cardboard box structure, including a side plate 1, the surface of the side plate 1 is fixedly connected with a top cover 2, the side plate 1 and the top cover 2 have the same structure, the side plate 1 is composed of an inner corrugated paper layer 11, an outer corrugated paper layer 12 and a paper core 13 connected, the inner walls on both sides of the side plate 1 are respectively fixedly connected with a first protective plate 3 and a second protective plate 4, the paper core 13 is in a wave shape, a water absorption layer 14 and a reinforcement layer 15 are respectively arranged on both sides of the paper core 13, the water absorption layer 14 is close to the inner side of the side plate 1, the reinforcement layer 15 is close to the outer side of the side plate 1, one side of the outer corrugated paper layer 12 is fixedly connected with a waterproof layer 16, one side of the waterproof layer 16 is fixedly connected with a fireproof layer 17, and a vent hole 101 is opened inside the side plate 1, and the vent hole 101 is located at the bottom of the water absorption layer 14.
[0025] In this embodiment, the main material of the water absorption layer 14 is diatomite, which has strong moisture absorption performance and can be reused. The main material of the reinforcement layer 15 is hard cotton, which is a filling material with good mechanical properties and has a higher hardness. The main material of the waterproof layer 16 is polyethylene, which has good water isolation performance. Applying a fireproof coating on the surface of the waterproof layer can play a certain fireproof role.
[0026] Embodiment 2
[0027] As Figures 1 - 5As shown, the first protective plate 3 and the second protective plate 4 are located on the corresponding two sides. The structures of the first protective plate 3 and the second protective plate 4 are the same. A soft layer 31 is fixedly installed at the top of the first protective plate 3. An elastic layer 32 is fixedly installed inside the first protective plate 3. A wear-resistant layer 33 is fixedly installed at the bottom of the first protective plate 3. The soft layer 31, the elastic layer 32 and the wear-resistant layer 33 are press-fitted and connected.
[0028] In this embodiment, the main material of the soft layer 31 is natural cotton. While having a certain softness, this material also has good moisture absorption. The main material of the elastic layer 32 is rubber. This material has good elastic properties and can stretch and contract freely. The main material of the wear-resistant layer 33 is resin material. This material has good wear resistance.
[0029] The working principle of this embodiment: By arranging a water-absorbing layer 14 and a reinforcing layer 15 on both sides of the paper core 13, the water-absorbing layer 14 can absorb the water vapor inside the corrugated cardboard box, preventing the inside of the corrugated cardboard box from being in a humid state. The reinforcing layer 15 can improve the support strength of the outer layer of the corrugated paper, thereby improving the overall firmness strength of the corrugated cardboard box. By arranging a waterproof layer 16 and a fireproof layer 17 on the outside of the corrugated paper, the waterproof layer 16 prevents water vapor from entering the inside of the corrugated cardboard box from the outer layer of the corrugated paper. The fireproof layer 17 can prevent losses caused by the corrugated cardboard box burning when it comes into contact with a flame. By opening ventilation holes 101 inside the side plate 1, the air permeability inside the side plate 1 is improved, enabling the water-absorbing layer 14 to evaporate more quickly after absorbing water, preventing the water-absorbing layer 14 from being filled with water vapor and easily mildewing to produce germs. By arranging a soft layer 31 and an elastic layer 32 on the top of the first protective plate 3, it can prevent the items inside from being bumped and damaged during the handling of the corrugated cardboard box. By arranging a wear-resistant layer 33 at the bottom of the first protective plate 3, the durability of the first protective plate can be improved.
[0030] The above is only a preferred embodiment of the present invention and is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent change equivalent embodiments and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims
1. A moisture-proof corrugated paper box structure, characterized in that: The invention comprises a side panel (1), the surface of the side panel (1) is fixedly connected to a top cover (2), the side panel (1) and the top cover (2) have the same structure, the side panel (1) is composed of a corrugated paper inner layer (11), a corrugated paper outer layer (12) and a paper core (13), and the inner walls of the side panel (1) are respectively fixedly connected to a first protective plate (3) and a second protective plate (4).
2. A moisture-proof corrugated paper box structure according to claim 1, characterized in that: The paper core (13) is in a wave shape, and a water absorbing layer (14) and a reinforcement layer (15) are respectively arranged on both sides of the paper core (13).
3. A moisture-proof corrugated paper box structure according to claim 2, characterized in that: The water absorbing layer (14) is close to the inner side of the side plate (1), and the reinforcing layer (15) is close to the outer side of the side plate (1).
4. A moisture-proof corrugated paper box structure according to claim 1, characterized in that: A waterproof layer (16) is fixedly connected to one side of the corrugated paper outer layer (12), and a fireproof layer (17) is fixedly connected to one side of the waterproof layer (16).
5. The moisture-proof corrugated paper box structure according to claim 1, characterized in that: The side plate (1) is provided with an air hole (101) inside, and the air hole (101) is located at the bottom of the water absorption layer (14).
6. The moisture-proof corrugated paper box structure according to claim 1, characterized in that: The first protective plate (3) and the second protective plate (4) are located on two corresponding sides, and the first protective plate (3) and the second protective plate (4) have the same structure.
7. The moisture-proof corrugated paper box structure according to claim 1, characterized in that: A soft layer (31) is fixedly mounted on the top of the first protective plate (3), an elastic layer (32) is fixedly mounted on the inner side of the first protective plate (3), and a wear-resistant layer (33) is fixedly mounted on the bottom of the first protective plate (3); the soft layer (31), the elastic layer (32) and the wear-resistant layer (33) are press-fitted and connected.