A multi-layer composite compression-resistant corrugated cardboard box

Abstract

This utility model relates to the technical field of corrugated cardboard boxes, and more particularly to a multi-layer composite compression-resistant corrugated cardboard box, comprising a first corrugated cardboard, a panel fixedly mounted on one side surface of the first corrugated cardboard, and a first core paper fixedly mounted on the other side surface of the first corrugated cardboard. This multi-layer composite compression-resistant corrugated cardboard box, through the arrangement of the first corrugated cardboard, second corrugated cardboard, third corrugated cardboard, connecting posts, curved plates, connecting frames, and supporting feet, allows the curved plates to evenly distribute the impact force to various points on the first, second, and third corrugated cardboard when they are subjected to impact and pressure. This ensures that the first, second, and third corrugated cardboard are subjected to very uniform stress, preventing damage due to uneven stress and improving compression and impact resistance.

Description

Technical Field

[0001] This utility model relates to the technical field of corrugated cardboard boxes, and in particular to a multi-layer composite compression-resistant corrugated cardboard box. Background Technology

[0002] Corrugated cardboard boxes are packaging containers made from corrugated cardboard as the core raw material. With their lightweight, high strength, and recyclability, they have become one of the most widely used transportation and packaging carriers in the world. They are commonly used in the packaging and logistics of various products such as food, electronics, home appliances, fresh produce, and industrial parts. Single corrugated cardboard boxes have poor compression resistance, so multi-layer composite compression-resistant corrugated cardboard boxes are now used. Multi-layer composite compression-resistant corrugated cardboard boxes have stronger compression and impact resistance, hence the special need for multi-layer composite compression-resistant corrugated cardboard boxes.

[0003] However, most existing multi-layer composite compression-resistant corrugated boxes, while having good compression resistance, cannot guarantee uniform stress distribution. Uneven stress distribution can easily lead to damage to the corrugated boxes.

[0004] To address the aforementioned issues, a search revealed a patent with publication number CN109229801A, which discloses a corrugated cardboard box. The patent states that "corrugated cardboard boxes are a type of packaging box, used for packaging many products due to their low packaging cost, efficient resource utilization, ease of recycling, lack of waste and pollution, and low storage and transportation costs. However, most existing corrugated cardboard boxes consist of a box body and a top cover, with a simple structure and low strength. Consequently, when loading items that cannot withstand compression or collision, the strength is often insufficient, and the box is easily deformed or damaged during transportation, affecting the contents and causing damage to the goods, resulting in unnecessary economic losses." The beneficial effects of this invention are as follows: 1. The corrugated cardboard box of this invention, by setting a recessed groove on the lower support plate and securing the support plate to the lower support plate through a dovetail groove structure, prevents the support plate from moving up and down. Furthermore, by setting slits on the corrugated cardboard box to create free ends in certain sections of the corrugated paper, the restoring force generated by the deformation of the corrugated paper is used to compress the support plate, preventing the support plate from moving in the horizontal plane and thus fixing the support plate. The support plate is easy to install and increases the strength of the packaging box. 2. In the corrugated cardboard box of the present invention, an extrusion rod is also provided in the sink. The extrusion rod and the support plate are used to compress the support plate to make it fit against the side wall of the sink, ensuring the stability of the support plate and improving the support effect. 3. In the corrugated cardboard box of the present invention, a spring and a push rod are set in the extrusion rod. The spring and the push rod are used to act as intermediaries between the extrusion rod and the support plate, realizing multi-point support, reducing the friction between the extrusion rod and the support plate, improving the positioning effect of the support plate, and ensuring the strength of the packaging box. However, it cannot guarantee the uniformity of the force on the entire surface. Uneven force makes the corrugated cardboard box easy to damage.

[0005] In light of this, in-depth research into the aforementioned issues led to the creation of this case. Utility Model Content

[0006] The purpose of this utility model is to provide a multi-layer composite compression-resistant corrugated cardboard box to solve the problem mentioned in the background art that although most multi-layer composite compression-resistant corrugated cardboard boxes have good compression resistance, they cannot guarantee the uniformity of force distribution, and uneven force distribution will lead to the problem that the corrugated cardboard box is easily damaged.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a multi-layer composite compression-resistant corrugated cardboard box, comprising a first corrugated cardboard, a panel fixedly installed on one side surface of the first corrugated cardboard, a first core paper fixedly installed on the other side surface of the first corrugated cardboard, a second corrugated cardboard fixedly installed on the other side surface of the first core paper, a second core paper fixedly installed on the other side surface of the second corrugated cardboard, a third corrugated cardboard fixedly installed on the other side surface of the second core paper, an inner panel fixedly installed on the other side surface of the third corrugated cardboard, a first connecting plate fixedly installed on one side inner wall of the first corrugated cardboard, a connecting post fixedly installed on the other side surface of the first connecting plate, a second connecting plate fixedly connected to the other end of the connecting post, an arc-shaped plate fixedly installed on one side inner wall of the connecting post, a connecting frame fixedly installed on the side surface of the arc-shaped plate facing the first connecting plate, a support foot fixedly installed on one end of the panel, and a waterproof coating sprayed onto the outer wall of the panel.

[0008] Preferably, the first corrugated cardboard, the second corrugated cardboard, and the third corrugated cardboard have the same internal structure.

[0009] Preferably, both ends of the arc-shaped plate are fixedly connected to the inner wall of the connecting column, and both ends of the connecting frame are fixedly connected to the first connecting plate and the arc-shaped plate, respectively.

[0010] Preferably, the support foot is made of rubber.

[0011] Preferably, the first connecting plate, the connecting column, the second connecting plate, the arc plate, and the connecting frame are all made of corrugated paper.

[0012] Preferably, the waterproof coating comprises a water-based moisture-proof agent, a wax coating, a DMJ water-based barrier coating, a waterproofing agent, and a water-emulsion waterproof coating. The outer wall of the panel is sprayed with a water-based moisture-proof agent, the outer wall of the water-based moisture-proof agent is sprayed with a wax coating, the outer wall of the wax coating is sprayed with a DMJ water-based barrier coating, the outer wall of the DMJ water-based barrier coating is sprayed with a waterproofing agent, and the outer wall of the waterproofing agent is sprayed with a water-emulsion waterproof coating.

[0013] Preferably, the water-based moisture-proof agent is made of polyurethane.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This multi-layer composite compression-resistant corrugated cardboard box, through the arrangement of a first corrugated cardboard, a front panel, a first core paper, a second corrugated cardboard, a second core paper, a third corrugated cardboard, an inner board, a first connecting plate, a connecting column, a second connecting plate, an arc plate, a connecting frame, and supporting feet, can evenly distribute the impact force to various points of the first, second, and third corrugated cardboard when they are subjected to impact and pressure. This ensures that the first, second, and third corrugated cardboard are subjected to very uniform force, preventing damage due to uneven force distribution, and improving compression and impact resistance. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall appearance and structure of the present utility model;

[0016] Figure 2 This is a schematic diagram of the structure in which the panel and the waterproof coating of this utility model cooperate.

[0017] Figure 3 This is a schematic diagram of the interlocking structure of the first corrugated cardboard and the panel of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the water-based moisture-proof agent and the wax coating of this utility model.

[0019] In the diagram: 1. First corrugated cardboard; 2. Face plate; 3. First core paper; 4. Second corrugated cardboard; 5. Second core paper; 6. Third corrugated cardboard; 7. Inner board; 8. First connecting plate; 9. Connecting post; 10. Second connecting plate; 11. Curved plate; 12. Connecting frame; 13. Supporting leg; 14. Waterproof coating; 1401. Water-based moisture-proof agent; 1402. Wax coating; 1403. DMJ water-based barrier coating; 1404. Waterproofing agent; 1405. Water-emulsion type waterproof coating. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4This utility model provides a technical solution: a multi-layer composite compression-resistant corrugated cardboard box, comprising a first corrugated cardboard 1, a panel 2 fixedly installed on one side surface of the first corrugated cardboard 1, a first core paper 3 fixedly installed on the other side surface of the first corrugated cardboard 1, a second corrugated cardboard 4 fixedly installed on the other side surface of the first core paper 3, a second core paper 5 fixedly installed on the other side surface of the second corrugated cardboard 4, a third corrugated cardboard 6 fixedly installed on the other side surface of the second core paper 5, an inner panel 7 fixedly installed on the other side surface of the third corrugated cardboard 6, a first connecting plate 8 fixedly installed on one side inner wall of the first corrugated cardboard 1, a connecting post 9 fixedly installed on the other side surface of the first connecting plate 8, a second connecting plate 10 fixedly connected to the other end of the connecting post 9, an arc-shaped plate 11 fixedly installed on one side inner wall of the connecting post 9, and a connecting rod 10 fixedly installed on the side surface of the arc-shaped plate 11 facing the first connecting plate 8. The frame 12 and panel 2 are fixedly mounted with a support foot 13 at one end. The outer wall of panel 2 is sprayed with a waterproof coating 14. Through the arrangement of the first corrugated cardboard 1, panel 2, first core paper 3, second corrugated cardboard 4, second core paper 5, third corrugated cardboard 6, inner board 7, first connecting plate 8, connecting column 9, second connecting plate 10, arc plate 11, connecting frame 12, support foot 13 and waterproof coating 14, when the first corrugated cardboard 1, second corrugated cardboard 4 and third corrugated cardboard 6 are impacted, the arc plate 11 can evenly distribute the impact force to each point of the first corrugated cardboard 1, second corrugated cardboard 4 and third corrugated cardboard 6, so that the first corrugated cardboard 1, second corrugated cardboard 4 and third corrugated cardboard 6 are subjected to very uniform force, preventing the first corrugated cardboard 1, second corrugated cardboard 4 and third corrugated cardboard 6 from being damaged due to uneven force, and improving the compression resistance and impact resistance.

[0022] Furthermore, the internal structures of the first corrugated cardboard 1, the second corrugated cardboard 4, and the third corrugated cardboard 6 are the same. Through the arrangement of the first corrugated cardboard 1, the second corrugated cardboard 4, and the third corrugated cardboard 6, they have potentially better compression resistance and impact resistance, thus providing better protection for the items inside the box.

[0023] Furthermore, both ends of the arc plate 11 are fixedly connected to the inner wall of the connecting column 9, and both ends of the connecting frame 12 are fixedly connected to the first connecting plate 8 and the arc plate 11 respectively. Through the setting of the arc plate 11, the arc plate 11 can disperse and transmit the force received, so that the first corrugated cardboard 1, the second corrugated cardboard 4 and the third corrugated cardboard 6 are subjected to more uniform force.

[0024] Furthermore, the support foot 13 is made of rubber. By setting the support foot 13, the support foot 13 can protect the corners of the panel 2 and prevent the corners from being damaged.

[0025] Furthermore, the first connecting plate 8, the connecting column 9, the second connecting plate 10, the arc plate 11, and the connecting frame 12 are all made of corrugated paper. Through the setting of the connecting frame 12, the connecting frame 12 improves the compression resistance and impact resistance of the first corrugated cardboard 1, the second corrugated cardboard 4, and the third corrugated cardboard 6.

[0026] Furthermore, the waterproof coating 14 includes a water-based moisture-proofing agent 1401, a wax coating 1402, a DMJ water-based barrier coating 1403, a waterproofing agent 1404, and a water-emulsion type waterproof coating 1405. The outer wall of panel 2 is sprayed with the water-based moisture-proofing agent 1401, the outer wall of the water-based moisture-proofing agent 1401 is sprayed with the wax coating 1402, the outer wall of the wax coating 1402 is sprayed with the DMJ water-based barrier coating 1403, and the outer wall of the DMJ water-based barrier coating 1403 is sprayed with the waterproofing agent 1405. 04. The outer wall of the waterproofing agent 1404 is sprayed with a water-emulsion waterproof coating 1405. Through the combination of water-based moisture-proofing agent 1401, wax coating 1402, DMJ water-based barrier coating 1403, waterproofing agent 1404, and water-emulsion waterproof coating 1405, the moisture-proof film formed after the water-based moisture-proofing agent 1401 cures has good water resistance and damp heat resistance. It can not only resist liquid water splashed on the surface, but also block water vapor penetration in the air. It has a good protective effect and low pollution. The advantages of this coating are its high water resistance and low cost. DMJ water-based barrier coating 1403 forms a dense, micron-level barrier coating on the paper surface, giving the paper excellent water and oil resistance, and effectively blocking gases. Its excellent gas and oxygen barrier properties extend the shelf life of the products inside the box. Waterproofing agent 1404 prevents paper from softening, deforming, delaminating, or losing strength after absorbing moisture, avoiding moisture damage or deterioration of the products inside the box. It prevents rainwater and moisture from penetrating the interior, preventing concrete cracking, steel corrosion, or wood mold and rot, significantly extending the service life of buildings or furniture. It also reduces moisture absorption, preventing fabrics from becoming heavy and moldy after being damp, or leather from hardening and fading after absorbing water. Water-emulsion waterproof coating 1405 achieves a balance between "flexibility" and "strength" through optimized resin emulsion formulation, meeting long-term waterproofing needs. Therefore, the outermost panel 2 has a very good waterproof effect and can provide excellent protection for the items inside the box.

[0027] Furthermore, the water-based desiccant 1401 is made of polyurethane. Through the setting of the water-based desiccant 1401, it can not only resist liquid water splashed on the surface (such as rainwater and condensation), but also block the penetration of water vapor in the air.

[0028] Working principle: When the first corrugated cardboard 1, the second corrugated cardboard 4, and the third corrugated cardboard 6 are impacted, the curved plate 11 can evenly distribute the impact force to all points of the first corrugated cardboard 1, the second corrugated cardboard 4, and the third corrugated cardboard 6, making the force on the first corrugated cardboard 1, the second corrugated cardboard 4, and the third corrugated cardboard 6 very uniform, preventing damage due to uneven force. The moisture-proof film formed after the water-based moisture-proof agent 1401 cures has good water resistance and damp heat resistance. It can not only resist liquid water splashed on the surface, but also block the penetration of water vapor in the air. It has good protective effect and has the advantages of low pollution and low risk. The wax coating 1402 has strong waterproof effect and low cost. The DMJ water-based barrier coating 1403 can... A micron-level dense barrier coating is formed on the paper surface, giving the paper excellent waterproof and oil-proof properties. It can also effectively block gases, with excellent gas and oxygen barrier properties, which can extend the shelf life of the products inside the box. Waterproofing agent 1404 can prevent paper from softening, deforming, delaminating or losing strength after absorbing moisture, avoiding the products inside the box from getting damp, deteriorating or damaged. It can prevent rainwater and moisture from penetrating the interior, preventing concrete cracking, steel corrosion, or wood mold and rot, significantly extending the service life of buildings or furniture. It can also reduce moisture absorption, preventing fabrics from becoming heavy and moldy after being wet, or leather from hardening and fading after absorbing water. Water-emulsion type waterproof coating 1405 achieves a balance between "flexibility" and "strength" through resin emulsion formula optimization, meeting long-term waterproofing needs. Therefore, the outermost panel 2 has a very good waterproof effect.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-layer composite compression-resistant corrugated cardboard box, comprising a first corrugated cardboard (1), characterized in that: A panel (2) is fixedly installed on one side surface of the first corrugated cardboard (1), a first core paper (3) is fixedly installed on the other side surface of the first corrugated cardboard (1), a second corrugated cardboard (4) is fixedly installed on the other side surface of the first core paper (3), a second core paper (5) is fixedly installed on the other side surface of the second corrugated cardboard (4), a third corrugated cardboard (6) is fixedly installed on the other side surface of the second core paper (5), and an inner panel (7) is fixedly installed on the other side surface of the third corrugated cardboard (6). A first connecting plate (8) is fixedly installed on one side of the inner wall of the panel (2), a connecting column (9) is fixedly installed on the other side of the first connecting plate (8), a second connecting plate (10) is fixedly connected to the other end of the connecting column (9), an arc plate (11) is fixedly installed on one side of the inner wall of the connecting column (9), a connecting frame (12) is fixedly installed on the side of the arc plate (11) facing the first connecting plate (8), a support foot (13) is fixedly installed on one end of the panel (2), and a waterproof coating (14) is sprayed on the outer wall of the panel (2).

2. The multi-layer composite compression-resistant corrugated cardboard box according to claim 1, characterized in that: The internal structures of the first corrugated cardboard (1), the second corrugated cardboard (4), and the third corrugated cardboard (6) are the same.

3. A multi-layer composite compression-resistant corrugated cardboard box according to claim 1, characterized in that: Both ends of the arc plate (11) are fixedly connected to the inner wall of the connecting column (9), and both ends of the connecting frame (12) are fixedly connected to the first connecting plate (8) and the arc plate (11) respectively.

4. A multi-layer composite compression-resistant corrugated cardboard box according to claim 1, characterized in that: The support foot (13) is made of rubber.

5. A multi-layer composite compression-resistant corrugated cardboard box according to claim 1, characterized in that: The first connecting plate (8), the connecting column (9), the second connecting plate (10), the arc plate (11) and the connecting frame (12) are all made of corrugated paper.

6. A multi-layer composite compression-resistant corrugated cardboard box according to claim 1, characterized in that: The waterproof coating (14) includes a water-based moisture-proof agent (1401), a wax coating (1402), a DMJ water-based barrier coating (1403), a waterproofing agent (1404), and a water-emulsion waterproof coating (1405). The outer wall of the panel (2) is sprayed with a water-based moisture-proof agent (1401), the outer wall of the water-based moisture-proof agent (1401) is sprayed with a wax coating (1402), the outer wall of the wax coating (1402) is sprayed with a DMJ water-based barrier coating (1403), the outer wall of the DMJ water-based barrier coating (1403) is sprayed with a waterproofing agent (1404), and the outer wall of the waterproofing agent (1404) is sprayed with a water-emulsion waterproof coating (1405).

7. A multi-layer composite compression-resistant corrugated cardboard box according to claim 6, characterized in that: The water-based moisture-proof agent (1401) is made of polyurethane.

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