A type of rigid corrugated sheet for containers

By incorporating reinforcing structures and coatings within the rigid corrugated panels of the container, the problems of insufficient strength and inconvenient splicing are solved, achieving high rigidity and convenient connection, thereby improving the service life and safety of the container.

CN224428692UActive Publication Date: 2026-06-30YANGZHOU RIXIN EXPRESS LOGISTICS EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGZHOU RIXIN EXPRESS LOGISTICS EQUIP CO LTD
Filing Date
2025-08-08
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing rigid corrugated plate structure of containers has low strength, making it difficult to effectively disperse impact force, resulting in local stress concentration, easy deformation or damage, and the splicing method is time-consuming and labor-intensive.

Method used

The corrugated plate body is equipped with I-shaped reinforcing ribs and honeycomb reinforcement layers inside, and fiber reinforcement layers are set at both ends. It uses carbon fiber and resin composite materials, and the surface is coated with anti-corrosion, heat insulation and wear-resistant coatings. The splicing structure is conveniently connected through slots and blocks.

Benefits of technology

It improves the bending and compressive strength of corrugated sheets, enhances overall rigidity, disperses external forces, simplifies the splicing process, and provides protection and wear resistance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224428692U_ABST
    Figure CN224428692U_ABST
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Abstract

This application relates to a rigid corrugated sheet for containers, comprising a corrugated sheet body. The crests of the corrugated sheet body have a shorter width, and the troughs of the corrugated sheet body have a longer width. The corrugated sheet body has an internal reinforcing structure, which includes I-shaped reinforcing ribs installed inside the corrugated sheet body. A single I-shaped reinforcing rib is provided at the crest of the corrugated sheet body, and multiple I-shaped reinforcing ribs are provided at the troughs of the corrugated sheet body. This utility model provides I-shaped reinforcing ribs and a honeycomb reinforcement layer inside the corrugated sheet body, which can improve the bending and compressive strength of the corrugated sheet body, effectively disperse external forces, and improve the overall rigidity of the corrugated sheet. A fiber reinforcement layer is provided at both ends of the corrugated sheet body. The fiber reinforcement layer is made of carbon fiber and resin composite, which can further enhance the strength of the corrugated sheet body.
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Description

Technical Field

[0001] This application relates to the field of container technology, and in particular to a rigid corrugated plate for containers. Background Technology

[0002] As a key carrier in modern logistics and transportation, shipping containers are widely used in various modes of transport, including sea, land, and air. The rigid corrugated sheet of a shipping container, as a crucial component of the container body, plays a decisive role in the overall safety, durability, and transportation efficiency of the container.

[0003] Some existing rigid corrugated plate structures for containers are relatively simple and have low strength, making it difficult to effectively disperse impact forces. This can easily lead to localized stress concentration, resulting in deformation or even damage, which seriously affects the service life of the container and the safety of cargo transportation. Furthermore, some existing rigid corrugated plates for containers are spliced ​​using welding or bolting, which requires a lot of time and labor costs. Utility Model Content

[0004] To address the problems mentioned in the background art, this application provides a rigid corrugated sheet for containers.

[0005] The technical solution for a rigid corrugated sheet for a container provided in this application is as follows:

[0006] A rigid corrugated sheet for a container includes a corrugated sheet body. The corrugations on the corrugated sheet body have a shorter width, and the troughs on the corrugated sheet body have a longer width. The corrugated sheet body has an internal reinforcing structure, which includes I-shaped reinforcing ribs installed inside the corrugated sheet body. A single I-shaped reinforcing rib is provided at the corrugation crest, and multiple I-shaped reinforcing ribs are provided at the troughs.

[0007] Preferably, the interior of the corrugated plate body is provided with a honeycomb reinforcing layer, which is in contact with the inner top surface and the ground of the corrugated plate body, and is also engaged with the I-shaped reinforcing ribs.

[0008] Preferably, the interior of the corrugated plate body is provided with a fiber reinforcement layer at both ends, and the fiber reinforcement layer is made of a composite material of carbon fiber and resin.

[0009] Preferably, the two ends of the corrugated plate body are further provided with splicing structures. The splicing structures include a first splicing plate and a second splicing plate installed on the side walls of both ends of the corrugated plate body. The first splicing plate provided on one side wall of the corrugated plate body can be adapted to be installed with the second splicing plate provided on the other side wall of another corrugated plate body.

[0010] Preferably, the first splicing plate has a splicing groove inside, a plurality of first slots on the top of the first splicing plate, and a plurality of first blocks on one side of the first splicing plate.

[0011] Preferably, the second splicing plate has splicing blocks inside, a plurality of second locking blocks on the top of the second splicing plate, and a plurality of second locking slots on the bottom of the second splicing plate.

[0012] Preferably, the surface of the corrugated plate body is further provided with a multifunctional coating structure, which includes an anti-corrosion layer, a heat insulation layer, and a wear-resistant layer.

[0013] Preferably, the anti-corrosion layer is placed at the bottom layer and uses a zinc-rich primer. The anti-corrosion layer is bonded to the surface of the corrugated plate body. The heat insulation layer is placed in the middle layer and uses a ceramic fiber heat insulation coating. The wear-resistant layer is placed at the outermost layer and uses a polyurethane wear-resistant coating.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] 1. This utility model features a reinforced structure, with I-shaped reinforcing ribs and honeycomb reinforcement layers inside the corrugated plate body, which improves the bending and compressive strength of the corrugated plate body, effectively disperses external forces, and enhances the overall rigidity of the corrugated plate. Fiber reinforcement layers are provided at both ends of the corrugated plate body, and the fiber reinforcement layers are made of carbon fiber and resin composite, which further enhances the strength of the corrugated plate body.

[0016] 2. This utility model is designed with a splicing structure. The first splicing plate at one end of one corrugated plate body is aligned with the second splicing plate at the other end of another corrugated plate body. Then, the splicing block is inserted into the splicing groove, so that the second locking block is inserted into the first locking groove, and the first locking block is inserted into the second locking groove, thereby splicing the two corrugated plate bodies together, making the splicing more convenient. Attached Figure Description

[0017] Figure 1 This is a structural schematic diagram of a rigid corrugated plate for a container, as described in an embodiment of this application.

[0018] Figure 2 This is a cross-sectional view of the internal structure of the corrugated plate body in an embodiment of this application;

[0019] Figure 3 This is a schematic diagram of the bottom structure of the corrugated plate body in an embodiment of this application;

[0020] Figure 4 This is a schematic diagram of the corrugated plate main body splicing structure in the embodiments of this application;

[0021] Figure 5This is an enlarged schematic diagram of the surface coating structure of the corrugated plate body in the embodiments of this application.

[0022] Explanation of reference numerals in the attached drawings: 1. Corrugated plate body; 2. I-shaped reinforcing rib; 3. Honeycomb reinforcing layer; 4. Fiber reinforcing layer; 5. First splicing plate; 6. Second splicing plate; 7. Splicing groove; 8. First slot; 9. First block; 10. Splicing block; 11. Second block; 12. Second slot; 13. Anti-corrosion layer; 14. Heat insulation layer; 15. Wear-resistant layer. Detailed Implementation

[0023] The following is in conjunction with the appendix Figure 1 —5 provides further detailed description of this application.

[0024] This application discloses a rigid corrugated sheet for a container, including a corrugated sheet body 1. The corrugations on the corrugated sheet body 1 have a shorter width, and the troughs on the corrugated sheet body 1 have a longer width. The corrugated sheet body 1 has an internal reinforcing structure, including I-shaped reinforcing ribs 2 installed inside the corrugated sheet body 1. A single I-shaped reinforcing rib 2 is located at the corrugation crest, and multiple I-shaped reinforcing ribs 2 are located at the troughs. A honeycomb reinforcing layer 3 is also provided inside the corrugated sheet body 1, adhering to the inner top surface and the ground surface of the corrugated sheet body 1. The honeycomb reinforcing layer 3 is also interlocked with the I-shaped reinforcing ribs 2. The interior of the corrugated plate body 1 has fiber reinforcement layers 4 at both ends. The fiber reinforcement layers 4 are made of carbon fiber and resin composite. More specifically, by setting I-shaped reinforcing ribs 2 at the crests and troughs inside the corrugated plate body 1, the bending and compressive strength of the corrugated plate body 1 can be improved. A honeycomb reinforcement layer 3 is set inside the corrugated plate body 1. The honeycomb structure inside the honeycomb reinforcement layer 3 can effectively disperse external forces and improve the overall rigidity of the corrugated plate. At the same time, the honeycomb structure also has good heat insulation and sound insulation performance. The fiber reinforcement layers 4 are set at both ends inside the corrugated plate body 1. The fiber reinforcement layers 4 are made of carbon fiber and resin composite, which can further enhance the strength of the corrugated plate body 1.

[0025] refer to Figure 1 , Figure 3 and Figure 4The corrugated plate body 1 is also provided with splicing structures at both ends. The splicing structure includes a first splicing plate 5 and a second splicing plate 6 installed on the side walls at both ends of the corrugated plate body 1. The first splicing plate 5 on one side wall of the corrugated plate body 1 can be adapted to be installed with the second splicing plate 6 on the other side wall of the other corrugated plate body 1. The first splicing plate 5 is provided with a splicing groove 7 inside, and a number of first slots 8 on the top of the first splicing plate 5. A number of first blocks 9 are also provided on one side of the first splicing plate 5. The second splicing plate 6 is provided with a splicing block 10 inside, a number of second blocks 11 on the top of the second splicing plate 6, and a number of second blocks 11 on the bottom of the second splicing plate 6. More specifically, when splicing the corrugated plate body 1, the first splicing plate 5 at one end of one corrugated plate body 1 can be aligned with the second splicing plate 6 at the other end of the other corrugated plate body 1. Then, the splicing block 10 on the second splicing plate 6 is inserted into the splicing groove 7 on the first splicing plate 5. At the same time, the second locking block 11 at the top of the second splicing plate 6 will be inserted into the first locking groove 8 at the top of the first splicing plate 5, and the first locking block 9 at the bottom of the first splicing plate 5 will be inserted into the second locking groove 12 at the bottom of the second splicing plate 6, thereby splicing the two corrugated plate bodies 1, making the splicing more convenient.

[0026] refer to Figure 5 The surface of the corrugated sheet body 1 is also provided with a multi-functional coating structure, which includes an anti-corrosion layer 13, a heat insulation layer 14, and a wear-resistant layer 15. The anti-corrosion layer 13 is placed at the bottom and uses a zinc-rich primer. The anti-corrosion layer 13 is adhered to the surface of the corrugated sheet body 1. The heat insulation layer 14 is placed in the middle layer and uses a ceramic fiber heat insulation coating. The wear-resistant layer 15 is placed at the outermost layer and uses a polyurethane wear-resistant coating. More specifically, by applying the anti-corrosion layer 13, the heat insulation layer 14, and the wear-resistant layer 15 to the surface of the corrugated sheet body 1, the anti-corrosion layer 13, using a zinc-rich primer, can firmly adhere to the surface of the corrugated sheet body 1, forming an effective anti-corrosion barrier. The heat insulation layer 14, using a ceramic fiber heat insulation coating, can effectively block the transfer of heat. The wear-resistant layer 15, using a polyurethane wear-resistant coating, can effectively resist the friction and collision generated during the loading and unloading of goods.

[0027] The implementation principle of a rigid corrugated sheet for a container in this application embodiment is as follows: I-shaped reinforcing ribs 2 and honeycomb reinforcing layers 3 are provided inside the corrugated sheet body 1, which improves the bending and compressive strength of the corrugated sheet body 1, effectively disperses external forces, and enhances the overall rigidity of the corrugated sheet. Fiber reinforcing layers 4, made of carbon fiber and resin composite, are provided at both ends of the corrugated sheet body 1, further enhancing the strength of the corrugated sheet body 1. An anti-corrosion layer 13, a heat insulation layer 14, and a wear-resistant layer 15 are coated on the surface of the corrugated sheet body 1. The multi-functional coating can protect the corrugated plate body 1, effectively resisting friction and collision during loading and unloading, and blocking heat transfer. When the corrugated plate body 1 is spliced, the first splicing plate 5 at one end of one corrugated plate body 1 is aligned with the second splicing plate 6 at the other end of the other corrugated plate body 1. Then, the splicing block 10 is inserted into the splicing groove 7, the second locking block 11 is inserted into the first locking groove 8, and the first locking block 9 is inserted into the second locking groove 12, thereby splicing the two corrugated plate bodies 1, making the splicing more convenient.

[0028] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A rigid corrugated sheet for a shipping container, characterized in that: The corrugated plate body (1) includes a corrugated plate body (1) with shorter crests and longer troughs. The corrugated plate body (1) has a reinforcing structure inside, which includes I-shaped reinforcing ribs (2) installed inside the corrugated plate body (1). A single I-shaped reinforcing rib (2) is provided at the crest position inside the corrugated plate body (1), and multiple I-shaped reinforcing ribs (2) are provided at the trough positions inside the corrugated plate body (1).

2. The rigid corrugated sheet for a container according to claim 1, characterized in that: The corrugated plate body (1) is provided with a honeycomb reinforcement layer (3) inside. The honeycomb reinforcement layer (3) is attached to the inner top surface and the ground of the corrugated plate body (1). The honeycomb reinforcement layer (3) is also engaged with the I-shaped reinforcing rib (2).

3. A rigid corrugated sheet for a container according to claim 2, characterized in that: The corrugated plate body (1) has a fiber reinforcement layer (4) located at both ends of the interior. The fiber reinforcement layer (4) is made of carbon fiber and resin composite.

4. A rigid corrugated sheet for a container according to claim 1, characterized in that: The corrugated plate body (1) is also provided with splicing structures at both ends. The splicing structure includes a first splicing plate (5) and a second splicing plate (6) installed on the side walls at both ends of the corrugated plate body (1). The first splicing plate (5) provided on one side wall of the corrugated plate body (1) can be adapted to be installed with the second splicing plate (6) provided on the other side wall of the other corrugated plate body (1).

5. A rigid corrugated sheet for a container according to claim 4, characterized in that: The first splicing plate (5) has a splicing groove (7) inside, a number of first slots (8) are provided on the top of the first splicing plate (5), and a number of first blocks (9) are provided on one side of the first splicing plate (5).

6. A rigid corrugated sheet for a container according to claim 5, characterized in that: The second splicing plate (6) has splicing blocks (10) inside, a number of second card blocks (11) on the top of the second splicing plate (6), and a number of second card slots (12) on the bottom of the second splicing plate (6).

7. A rigid corrugated sheet for a container according to claim 1, characterized in that: The surface of the corrugated plate body (1) is also provided with a multi-functional coating structure, which includes an anti-corrosion layer (13), a heat insulation layer (14), and a wear-resistant layer (15).

8. A rigid corrugated sheet for a container according to claim 7, characterized in that: The anti-corrosion layer (13) is set at the bottom layer and uses zinc-rich primer. The anti-corrosion layer (13) is attached to the surface of the corrugated plate body (1). The heat insulation layer (14) is set in the middle layer and uses ceramic fiber heat insulation coating. The wear-resistant layer (15) is set in the outermost layer and uses polyurethane wear-resistant coating.