Anti-deformation paper product packaging box

By designing a combination structure of support frame, support plate and wedge block in the paper packaging box, the problem of brittle cracking of amide paper layer during low temperature transportation is solved, and the pressure resistance and handling convenience of the packaging box are improved.

CN224241513UActive Publication Date: 2026-05-15SHENZHEN HANSHENG PACKAGING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN HANSHENG PACKAGING CO LTD
Filing Date
2025-06-30
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The amide paper layer of existing paper packaging boxes has weak compressive strength and is prone to cracking during low-temperature transportation, leading to the failure of the honeycomb layer support.

Method used

A deformation-resistant paper packaging box was designed, which adopts an integrated structure of box body and lid. The internal structure includes a support frame and a support plate. The support plate consists of a bottom plate, side plates and a base. The support frame contains a cover plate and wedge blocks. The outer and inner sides of the support frame are provided with a wave-shaped buffer layer. A triangular limiting system is formed between the lid and the wedge blocks. The support plate is foldable and can be used as a handle.

Benefits of technology

It improves the deformation resistance of the packaging box, absorbs impact energy through plastic deformation, reduces the risk of brittle fracture of the material, saves storage space, and facilitates handling.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224241513U_ABST
    Figure CN224241513U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of packaging boxes, in particular to an anti-deformation paper product packaging box which comprises a box body and box covers, the box covers are connected to the two ends of the top of the box body, the box covers and the box body are of an integrated structure, first folding marks are arranged at the connecting positions of the box body and the box covers, and a supporting frame is placed in the box body. Two supporting plates are placed in the supporting frame, a cover plate is placed on the tops of the supporting plates and the supporting frame, and wedge-shaped blocks are arranged on the inner side of the box cover, according to the anti-deformation paper product packaging box, the supporting plates and the supporting frame are arranged to form a main bearing structure, the cover plate is additionally arranged to serve as a top reinforcing layer, and the anti-deformation strength is improved; the supporting frame adopts the design of a wave-shaped buffer layer, impact energy is absorbed through plastic deformation, the brittle fracture risk of materials is avoided, after the box cover is sealed through an adhesive tape, the wedge blocks and the two ends of the supporting plate form a triangular limiting system, the compressive strength is further improved, and the deformation risk of the box body and the box cover is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of packaging box technology, specifically to a deformation-resistant paper packaging box. Background Technology

[0002] Paper packaging boxes mainly use corrugated paper as packaging material, which has good cushioning and protection. They are often used for express delivery packaging and packaging of large items. However, existing paper packaging boxes are easily deformed by pressure during transportation, which is not conducive to their use.

[0003] A search revealed a Chinese patent (CN217125689U) disclosing an anti-deformation corrugated cardboard box. The box includes a main body with symmetrically fixed inner side covers on its upper surface. A first outer cover and a second outer cover are also fixedly connected to the upper surface of the main body. The first and second outer covers are positioned opposite each other, with the width of the second outer cover being greater than the width of the first outer cover. The main body includes a first polyaramid paper layer, with a honeycomb paper layer fixedly connected to one side of the first polyaramid paper layer. In use, the honeycomb paper layer between the first and second polyaramid paper layers enhances the strength of the main body, making it less prone to deformation under pressure. The corrugated paper layer has a corrugated shape, providing cushioning protection for the contents when the packaged item is dropped or subjected to external impact, minimizing the risk of damage.

[0004] However, in actual use, it was found that the compressive strength of the aramid paper layer is weak, and it is prone to brittleness during low-temperature transportation, which leads to the failure of the honeycomb layer support. Therefore, we propose a deformation-resistant paper packaging box. Utility Model Content

[0005] The technical problem to be solved by this application is that the amide paper layer has weak compressive strength and is prone to brittleness during low-temperature transportation, which leads to the failure of the honeycomb layer support.

[0006] To solve the above technical problems, this application provides an anti-deformation paper packaging box, including a box body and a box lid. The box lid is connected to both ends of the top of the box body and is an integral structure with the box body. A first crease is provided at the connection between the box body and the box lid. A support frame is placed inside the box body. Two support plates are placed inside the support frame. A cover plate is placed on top of the support plates and the support frame. A wedge block is provided on the inner side of the box lid.

[0007] In some embodiments, the support plate is integrally composed of a base plate, a side plate, and a base, with a second crease at the connection between the base plate and the side plate, and a third crease at the connection between the base plate and the base.

[0008] In some embodiments, the base plate has a plurality of through holes at equal intervals, and the base plate also has handle holes.

[0009] In some embodiments, the box body and the box cover are made of PE-coated honeycomb panel material.

[0010] In some embodiments, a support block is connected to the wedge block, the support block is embedded inside the lid and integrated with the lid, and the gap between the lid and the wedge block is the same as the thickness of the lid plate.

[0011] In some embodiments, the cover plate has insertion holes at each of its four corners that are adapted to the size of the wedge block.

[0012] In some embodiments, the outer and inner sides of the support frame are provided with a wave-shaped buffer layer.

[0013] In some embodiments, the spacing between the wedge and the box body is adapted to the dimensions of the support frame and the side plate.

[0014] This utility model has at least the following beneficial effects:

[0015] The main support structure is formed by a support plate and a support frame. A cover plate is added as a top reinforcement layer to improve the strength against deformation. The support frame adopts a wave-shaped buffer layer design, which absorbs impact energy through plastic deformation and avoids the risk of brittle fracture of the material. After the lid is sealed with tape, the wedge block and the two ends of the support plate form a triangular limiting system, which further improves the compressive strength and reduces the risk of deformation of the box body and lid. The support plate adopts a foldable design, which not only saves storage space, but can also be easily unfolded and used when needed. It can also be taken out and hung on the support block to form a temporary carrying handle for the convenience of users. Attached Figure Description

[0016] Figure 1 This is an exploded view of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of a single support plate structure of this utility model;

[0018] Figure 3 This utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0019] Figure 4 This utility model Figure 1 Enlarged view of the structure at point B in the middle;

[0020] Figure 5 This is a cross-sectional view of the internal structure of the box body, box lid, and support frame of this utility model;

[0021] Figure 6 This is a schematic diagram of the overall structure of the support plate of this utility model when it is transformed into a handle.

[0022] In the diagram: 1. Box body; 2. Box lid; 3. First crease; 4. Support frame; 5. Support plate; 6. Cover plate; 7. Wedge block; 8. Base plate; 9. Side plate; 10. Base; 11. Second crease; 12. Third crease; 13. Through hole; 14. Handle hole; 15. Support block; 16. Insertion hole. Detailed Implementation

[0023] 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.

[0024] Example 1: Please refer to Figure 1 This utility model provides a technical solution: a deformation-resistant paper packaging box, including a box body 1 and a box cover 2. The box cover 2 is connected to both ends of the top of the box body 1 and is an integral structure with the box body 1. A first crease 3 is provided at the connection between the box body 1 and the box cover 2. A support frame 4 is placed inside the box body 1. Two support plates 5 are placed inside the support frame 4. A cover plate 6 is placed on top of the support plates 5 and the support frame 4. A wedge block 7 is provided on the inner side of the box cover 2. In specific implementation, the support frame 4, support plates 5, cover plate 6 and wedge block 7 can be made of PE film honeycomb board material, which can reduce the weight while maintaining high compressive strength. The wedge block 7 plays the role of supporting the support plates 5. The support frame 4 and support plates 5 form the main support structure. The cover plate 6 serves as the top reinforcement layer to improve the deformation resistance of the box body 1 and the box cover 2.

[0025] When in use, first place the support frame 4 in the box body 1, then unfold the two support plates 5 and put them into the box body 1, put the items on the support plates 5, and then cover the top of the support frame 4 and the support plates 5 with the cover plate 6. Close the box body 1 with the box cover 2 through the first crease 3. Finally, seal the gap between the box cover 2 and the box body 1 with tape. At this time, the wedge block 7 is attached to the inner wall of the support plate 5.

[0026] Example 2: Based on Example 1, as follows Figure 2 As shown, the support plate 5 is integrally composed of a base plate 8, a side plate 9, and a base 10. A second crease 11 is provided at the connection between the base plate 8 and the side plate 9, and a third crease 12 is provided at the connection between the base plate 8 and the base 10. The second crease 11 and the third crease 12 enable the support plate 5 to be folded into a special shape.

[0027] Example 3: Based on Example 2, such as Figure 2 As shown, multiple through holes 13 are equidistantly provided on the base plate 8. The through holes 13 serve to reduce the amount of material used and prevent the base plate 8 from deforming due to air pressure in the sealed space.

[0028] The base plate 8 is also provided with a handle hole 14. After the side plate 9 in the base plate 8 is hung on the support block 15, the handle hole 14 facilitates the user's movement.

[0029] Example 4: Based on Example 3, such as Figure 1 and Figure 6 As shown, the box body 1 and the box cover 2 are made of PE-coated honeycomb panel material. The PE-coated honeycomb panel is composed of a honeycomb core layer and a PE coating, which can withstand large local loads without plastic deformation. The PE-coated honeycomb panel has a moisture-proof effect. Compared with the polyethylene waterproof film, which relies on a multi-layer design, the PE-coated honeycomb panel can still maintain its flexibility at low temperatures.

[0030] Example 5: Based on Example 4, such as Figure 3 and Figure 5 As shown, a support block 15 is connected to the wedge block 7. The support block 15 is embedded in the inside of the lid 2 and is integrated with the lid 2. The gap between the lid 2 and the wedge block 7 is the same as the thickness of the cover plate 6. When the lid 2 is fully closed, the wedge block 7 accurately abuts against the top of the inner side of the side plate 9. When the lid 2 is not fully closed, the support block 15 provides a suspension position for the side plate 9.

[0031] Example 6: Based on Example 5, such as Figure 4 As shown, the cover plate 6 has four holes 16 at its four corners that are adapted to the size of the wedge block 7 to ensure that the wedge block 7 is installed in a suitable manner.

[0032] Example 7: Based on Example 6, as follows Figure 1 As shown, the outer and inner sides of the support frame 4 are provided with a wave-shaped buffer layer. Through the wave-shaped buffer layer, the support frame 4 absorbs the impact energy after deformation under force, thereby avoiding the risk of brittle fracture.

[0033] Example 8: Based on Example 7, as follows Figure 5 As shown, the distance between the wedge block 7 and the box body 1 is adapted to the size of the support frame 4 and the side plate 9, ensuring that there is no interference between the support frame 4 or the side plate 9 and the wedge block 7 during assembly.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] 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.

Claims

1. A deformation-resistant paper packaging box, comprising a box body (1) and a box lid (2), characterized in that: The lid (2) is connected to both ends of the top of the box body (1) and is an integral structure with the box body (1). A first crease (3) is provided at the connection between the box body (1) and the lid (2). A support frame (4) is placed inside the box body (1). Two support plates (5) are placed inside the support frame (4). A cover plate (6) is placed on the top of the support plate (5) and the support frame (4). A wedge block (7) is provided on the inner side of the lid (2).

2. The anti-deformation paper packaging box according to claim 1, characterized in that: The support plate (5) is composed of a base plate (8), a side plate (9) and a base (10) in one piece. A second crease (11) is provided at the connection between the base plate (8) and the side plate (9), and a third crease (12) is provided at the connection between the base plate (8) and the base (10).

3. The anti-deformation paper packaging box according to claim 2, characterized in that: The base plate (8) has multiple through holes (13) at equal intervals, and the base plate (8) also has handle holes (14).

4. The anti-deformation paper packaging box according to claim 3, characterized in that: The box body (1) and the box cover (2) are made of PE-coated honeycomb panel material.

5. The anti-deformation paper packaging box according to claim 2, characterized in that: A support block (15) is connected to the wedge block (7). The support block (15) is embedded in the inside of the lid (2) and is integrated with the lid (2). The gap between the lid (2) and the wedge block (7) is the same as the thickness of the cover plate (6).

6. The anti-deformation paper packaging box according to claim 5, characterized in that: The cover plate (6) has insertion holes (16) at each of its four corners that are adapted to the size of the wedge block (7).

7. The anti-deformation paper packaging box according to claim 1, characterized in that: The outer and inner sides of the support frame (4) are provided with a wave-shaped buffer layer.

8. The anti-deformation paper packaging box according to claim 5, characterized in that: The spacing between the wedge block (7) and the box body (1) is adapted to the dimensions of the support frame (4) and the side plate (9).