Anti-bending protective carton
By setting up reinforcement rods and reinforcement plates at the four corners of the outer wall of the carton, and setting up high-strength base layer and buffering and shock-absorbing layers on the inner wall, the problem of insufficient bending ability of the carton is solved, and the effect of multiple bending resistance is achieved, which improves the structural stability and service life of the carton.
Patent Information
- Application Number
- CN202422812712.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-11-19
AI Technical Summary
The existing cartons are insufficient in terms of bending resistance and are prone to damage.
It adopts a multi-layer structural design, including setting up reinforcement rods and reinforcement plates at the four corners of the outer wall of the carton, the inner wall is equipped with a high-strength base layer, a flexural reinforcement layer and a buffer shock absorbing layer, and the outer wall is equipped with a flexural reinforcement layer and a buffer shock absorbing layer. The materials are made of high-strength materials such as polypropylene, polycarbonate, polyphenylene sulfide and polyethylene foam.
It improves the bending resistance of the carton, enhances structural stability and load-bearing capacity, protects internal items from damage, and extends service life.
Smart Images

Figure CN223267282U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cartons, and in particular relates to a bending-resistant protective carton. Background Art
[0002] Cartons are the most widely used packaging products. According to different materials, there are corrugated boxes, single-layer cardboard boxes, etc., with various specifications and models. After searching, the application number "CN202122980189.3" discloses "a carton with strong anti-bending ability", which records "anti-bending springs are added to the box board, and the anti-bending springs are elastic, so that the box body has anti-bending ability. At the same time, a glass fiber mesh layer is provided on the side of the anti-bending spring, which improves stability and has anti-bending and anti-tensile effects, further improving the anti-bending ability of the carton, double anti-bending, and effectively protecting the items in the box". By adding anti-bending springs to the box board, the anti-bending springs have elasticity, so that the box body has anti-bending ability. At the same time, a glass fiber mesh layer is provided on the side of the anti-bending spring, which improves stability and does have anti-bending and anti-tensile effects, further improving the anti-bending ability of the carton, double anti-bending, and effectively protecting the items in the box. However, the above comparative documents still have the following problems in actual use:
[0003] In actual use, there are few anti-bending measures, resulting in poor performance and easy damage.
[0004] Based on this, it is extremely practical to provide a carton that can achieve multiple anti-bending properties. Utility Model Content
[0005] The purpose of the utility model is to provide a protective carton that is resistant to bending, aiming to solve the above-mentioned technical problems.
[0006] An embodiment of the utility model provides an anti-bending protective carton, comprising a carton body and an anti-bending component.
[0007] Among them, the top of the carton body is movably connected with a plurality of protective cover plates;
[0008] The anti-bending component includes reinforcing rods arranged at the four corners of the outer wall of the carton body, and the outer walls of several of the reinforcing rods are provided with reinforcing plates. The inner wall of the carton body is provided with an anti-bending frame, and the inner wall of the carton body is provided with a high-strength base layer, which is made of seven layers of corrugated cardboard. The outer wall of the high-strength base layer is provided with an anti-bending reinforcement layer, which is made of high-density fiberboard. The outer wall of the anti-bending reinforcement layer is provided with a buffering and shock-absorbing layer, which is made of polyethylene foam.
[0009] In one embodiment of the present invention, the plurality of reinforcing rods are all made of polypropylene.
[0010] In one embodiment of the present invention, the plurality of reinforcing plates are all made of polycarbonate.
[0011] In one embodiment of the present invention, the anti-bending frame is made of polyphenylene sulfide.
[0012] In one embodiment of the present invention, the tops of several protective cover plates are coated with a wear-resistant coating.
[0013] In an embodiment of the present invention, a plurality of anti-folding strips are provided inside the plurality of protection cover plates, and the plurality of anti-folding strips are made of foam plastic.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] By setting the reinforcement rods at the four corners of the outer wall of the carton body and the reinforcement plates on the outer wall, a solid external support structure is formed, which effectively improves the bending resistance of the carton body when subjected to external forces. The high-strength base layer made of seven layers of corrugated cardboard provides excellent compressive strength and tear resistance, providing a solid foundation for the carton body. The anti-bending reinforcement layer made of high-density fiberboard further enhances the carton's anti-bending ability, especially when subjected to heavy pressure or external force impact, it can maintain the integrity of the carton body. The buffering and shock-absorbing layer made of polyethylene foam has excellent elasticity and shock-absorbing properties. During transportation or storage, even if the carton body is subjected to vibration or impact, the buffering and shock-absorbing layer can effectively absorb and disperse these forces, thereby protecting the internal items from damage. The anti-bending frame set on the inner wall of the carton body not only enhances the internal structural stability of the carton, but also improves the load-bearing capacity and stacking performance of the carton body. The combined design of the multi-layer structure, including the high-strength base layer, the anti-bending reinforcement layer and the buffering and shock-absorbing layer, jointly improves the durability and service life of the carton body. Even under harsh transportation conditions, the carton can maintain its structural integrity and protective properties, thus achieving the purpose of multiple anti-bending. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0017] Figure 1 This is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a perspective structural diagram of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the buffer and shock-absorbing layer of the utility model;
[0020] Figure 4 This is a schematic diagram of the layered structure of the carton body of the utility model.
[0021] In the figure: 100, carton body; 110, protective cover; 200, anti-bending component; 210, reinforcement rod; 220, reinforcement plate; 230, anti-bending frame; 240, high-strength base layer; 250, anti-bending reinforcement layer; 260, buffer and shock-absorbing layer. DETAILED DESCRIPTION
[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] Example
[0024] See also Figure 1-4 , a bending-resistant protective carton, including a carton body 100 and an anti-bending component 200.
[0025] For details, please refer to Figure 1 The top of the carton body 100 is movably connected to a plurality of protective cover plates 110 .
[0026] See also Figure 1-4 The anti-bending component 200 includes reinforcing rods 210 arranged at the four corners of the outer wall of the carton body 100, and the outer walls of several reinforcing rods 210 are provided with reinforcing plates 220. The inner wall of the carton body 100 is provided with an anti-bending frame 230. The inner wall of the carton body 100 is provided with a high-strength base layer 240, and the high-strength base layer 240 is made of seven layers of corrugated cardboard. The outer wall of the high-strength base layer 240 is provided with an anti-bending reinforcement layer 250, and the anti-bending reinforcement layer 250 is made of high-density fiberboard. The outer wall of the anti-bending reinforcement layer 250 is provided with a buffering and shock-absorbing layer 260, and the buffering and shock-absorbing layer 260 is made of polyethylene foam.
[0027] In a specific embodiment, a strong external support structure is formed by setting the reinforcing rods 210 at the four corners of the outer wall of the carton body 100 and the reinforcing plates 220 of the outer wall, which effectively improves the bending resistance of the carton body 100 when subjected to external forces. The high-strength base layer 240 made of seven layers of corrugated cardboard provides excellent compressive strength and tear resistance, providing a solid base for the carton body 100. The anti-bending reinforcement layer 250 made of high-density fiberboard further enhances the anti-bending ability of the carton, especially when subjected to heavy pressure or external force impact, and can maintain the integrity of the carton body 100. The buffering and shock-absorbing layer 260 made of foam has excellent elasticity and shock-absorbing properties. During transportation or storage, even if the carton body 100 is subjected to vibration or impact, the buffering and shock-absorbing layer 260 can effectively absorb and disperse these forces, thereby protecting the internal items from damage. The anti-bending frame 230 set on the inner wall of the carton body 100 not only enhances the internal structural stability of the carton, but also improves the load-bearing capacity and stacking performance of the carton body 100. The combined design of the multi-layer structure, including the high-strength base layer 240, the anti-bending reinforcement layer 250 and the buffering and shock-absorbing layer 260, jointly improves the durability and service life of the carton body 100. Even under harsh transportation conditions, the carton can maintain its structural integrity and protective performance, thereby achieving the purpose of multiple anti-bending.
[0028] See also Figure 1 , the plurality of reinforcing rods 210 are all made of polypropylene.
[0029] In a specific embodiment, the polypropylene is provided to facilitate the use of the reinforcing rod 210, taking advantage of the characteristics of the polypropylene material such as light weight, high strength, corrosion resistance, and non-aging, so that the reinforcing rod 210 not only has a longer service life, but is also easier to operate.
[0030] See also Figure 1 , the plurality of reinforcing plates 220 are all made of polycarbonate.
[0031] In a specific embodiment, the polycarbonate is provided, so that the high strength and high rigidity of the polycarbonate can be utilized during use, and the additional support and stability can be provided, making the reinforcing plate 220 stronger during use.
[0032] See also Figure 1 , the anti-bending frame 230 is made of polyphenylene sulfide.
[0033] In a specific embodiment, the polyphenylene sulfide is provided, so that the modified polyphenylene sulfide has high strength and other properties during use, so that the anti-bending frame 230 can withstand greater external forces, making the anti-bending frame 230 more sturdy and durable.
[0034] See also Figure 1 The tops of several protective cover plates 110 are coated with wear-resistant coating.
[0035] In a specific embodiment, by providing a wear-resistant coating, it is convenient to use the wear-resistant coating plate has excellent wear resistance, can effectively prevent wear of the material surface, and extend the service life of the protective cover 110.
[0036] See also Figure 1 Several anti-folding strips are provided inside the several protective cover plates 110, and the several anti-folding strips are made of foam plastic.
[0037] In a specific embodiment, the foam plastic is provided to facilitate the use of the protective cover 110. The internal foam plastic anti-folding strip can enhance the bending resistance of the protective cover 110 to prevent it from being deformed or damaged when subjected to external force.
[0038] When in use, firstly, a strong external support structure is formed by the reinforcement rods 210 set at the four corners of the outer wall of the carton body 100 and the reinforcement plates 220 of the outer wall, which effectively improves the anti-bending performance of the carton body 100 when subjected to external forces. The high-strength base layer 240 made of seven layers of corrugated cardboard provides excellent compressive strength and tear resistance, providing a solid base for the carton body 100. Then, the anti-bending reinforcement layer 250 made of high-density fiberboard is used to further enhance the anti-bending ability of the carton, especially when subjected to heavy pressure or external force impact, which can maintain the integrity of the carton body 100. The buffering and shock absorbing layer 260 has excellent elasticity and shock absorption performance. Then, during transportation or storage, even if the carton body 100 is subjected to vibration or impact, the buffering and shock absorbing layer 260 can effectively absorb and disperse these forces, thereby protecting the internal items from damage. The anti-bending frame 230 set on the inner wall of the carton body 100 not only enhances the internal structural stability of the carton, but also improves the load-bearing capacity and stacking performance of the carton body 100. Finally, the combined design of the multi-layer structure, including the high-strength base layer 240, the anti-bending reinforcement layer 250 and the buffering and shock absorbing layer 260, jointly improves the durability and service life of the carton body 100. Even under harsh transportation conditions, the carton can maintain its structural integrity and protective performance, thereby achieving the purpose of anti-bending.
[0039] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A protective carton that resists bending, characterized in that: include: A carton body (100), wherein a plurality of protective cover plates (110) are movably connected to the top of the carton body (100); An anti-bending component (200) includes reinforcing rods (210) arranged at the four corners of the outer wall of a carton body (100), the outer walls of several reinforcing rods (210) are each provided with a reinforcing plate (220), the inner wall of the carton body (100) is provided with an anti-bending frame (230), the inner wall of the carton body (100) is provided with a high-strength base layer (240), the high-strength base layer (240) is made of seven layers of corrugated cardboard, the outer wall of the high-strength base layer (240) is provided with an anti-bending reinforcement layer (250), the anti-bending reinforcement layer (250) is made of high-density fiberboard, the outer wall of the anti-bending reinforcement layer (250) is provided with a buffering and shock-absorbing layer (260), and the buffering and shock-absorbing layer (260) is made of polyethylene foam.
2. The anti-bending protective carton according to claim 1, characterized in that: The plurality of reinforcing rods (210) are all made of polypropylene.
3. The anti-bending protective carton according to claim 1, characterized in that: The plurality of reinforcing plates (220) are all made of polycarbonate.
4. The anti-bending protective carton according to claim 1, characterized in that: The anti-bending frame (230) is made of polyphenylene sulfide.
5. The anti-bending protective carton according to claim 1, characterized in that: The tops of the plurality of protective cover plates (110) are coated with wear-resistant paint.
6. The anti-bending protective carton according to claim 5, characterized in that: Several anti-folding strips are arranged inside the plurality of protective cover plates (110), and the plurality of anti-folding strips are made of foam plastic.
Citation Information
Patent Citations
Carton with high bending resistance
CN216509791U