A paperboard carton having a crush resistant structure

By introducing support mechanisms and reinforcing frames into cardboard boxes, combined with pearl cotton cushioning, the problems of compression and deformation resistance of cardboard boxes are solved, achieving efficient and flexible structural adjustment and dual protection, meeting the compression resistance requirements of multiple scenarios.

CN224529304UActive Publication Date: 2026-07-21ZHEJIANG XIKAI IND & TRADE CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG XIKAI IND & TRADE CO LTD
Filing Date
2025-09-22
Publication Date
2026-07-21

Smart Images

  • Figure CN224529304U_ABST
    Figure CN224529304U_ABST
Patent Text Reader

Abstract

The utility model discloses a paperboard packing box with compression -resistant structure belongs to paperboard packing box technical field, and its technical scheme main points include packing box structure, the inner wall of packing box structure places bottom reinforcement frame, the inner wall of bottom reinforcement frame is inserted with support mechanism, the surface of support mechanism is inserted with top reinforcement frame, the top of bottom reinforcement frame places pearl wool, the surface of packing box structure is connected with cover, support mechanism includes first support frame, has solved the paperboard packing box of existing when using, mostly rely on single material or simple layering structure, compression -resistant, anti -deformation ability is limited, and the box body breakage, article damage can appear because of external force extrusion easily, and the assembling mode is mostly complex technology such as gluing, binding, and the installation efficiency is low, and it is difficult to adjust structural strength according to different commodity demand flexibly, and it is inconvenient to stably meet the compression -resistant demand of various article package's problem.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of cardboard packaging box technology, and in particular to a cardboard packaging box with a compression-resistant structure. Background Technology

[0002] Cardboard boxes are containers made primarily of cardboard and used for packaging various items. Through processes such as cutting, folding, and gluing, cardboard is formed into a structure with a certain load-bearing capacity and protective performance. They can protect items and facilitate storage and turnover during storage, transportation, and handling, and are widely used in food, electronics, daily necessities, industrial products, and many other fields.

[0003] Existing packaging boxes are often stacked during use. As a result, the boxes are easily deformed due to the pressure from the weight of the goods themselves, which can lead to damage to the goods. An existing patent (publication number: CN220299025U) discloses a packaging box with a pressure-resistant structure, including a box body, a box lid on the top of the box body, a reinforcing frame fixedly connected to the inner wall of the box body, a connecting rod fixedly connected to the outer side of the reinforcing frame, and a reinforcing rod fixedly connected to the outer side of the connecting rod. Both the connecting rod and the reinforcing rod are fixedly connected inside the box body. Several connecting rods and reinforcing rods are provided, and these rods are evenly distributed on the outer side wall of the reinforcing frame. In this invention, by fixing the reinforcing frame inside the box body and fixing the connecting rods and reinforcing rods to the outer side of the reinforcing frame, and by fixing the connecting rods and reinforcing rods inside the box body, the connecting rods and reinforcing rods can support the reinforcing frame, thereby improving the structural strength of the box body and preventing deformation of the box body during transportation, which could lead to damage to the goods.

[0004] To address the aforementioned issues, existing patents offer solutions. However, most existing cardboard packaging boxes rely on a single material or a simple stacked structure, resulting in limited resistance to pressure and deformation. They are prone to breakage and damage to contents due to external pressure. Furthermore, the assembly methods often involve complex processes such as gluing and binding, leading to low installation efficiency. It is also difficult to flexibly adjust the structural strength according to the needs of different products, making it unsuitable for consistently meeting the pressure resistance requirements of various product packaging.

[0005] Therefore, a cardboard packaging box with a compression-resistant structure is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a cardboard packaging box with a compression-resistant structure, which can solve the problems of existing cardboard packaging boxes, which mostly rely on a single material or simple stacked structure, have limited compression and deformation resistance, are easily damaged by external pressure, and have complex assembly methods such as gluing and binding, resulting in low installation efficiency and difficulty in flexibly adjusting the structural strength according to different product needs, making it difficult to stably meet the compression resistance requirements of various product packaging.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a cardboard packaging box with a pressure-resistant structure, comprising a packaging box structure, a bottom reinforcing frame placed on the inner wall of the packaging box structure, a support mechanism inserted into the inner wall of the bottom reinforcing frame, a top reinforcing frame inserted into the surface of the support mechanism, pearl cotton placed on the top of the bottom reinforcing frame, a cover snapped onto the surface of the packaging box structure, the support mechanism comprising a first support frame, an anti-tilt frame fixedly connected to the front side of the first support frame, and a second support frame fixedly connected to the front side of the anti-tilt frame.

[0008] Preferably, the surfaces of the first support frame and the second support frame are respectively inserted into the inner wall of the bottom reinforcing frame, and the surfaces of the first support frame and the second support frame are respectively inserted into the inner wall of the top reinforcing frame.

[0009] Preferably, a fixing frame is fixedly connected to the inner wall of the first support frame, and a connecting block is inserted into the inner wall of the fixing frame.

[0010] Preferably, the surface of the connecting block contacts the inner wall of the first support frame, and the inner wall of the fixing frame is provided with a slot for use with the connecting block.

[0011] Preferably, the inner wall of the bottom reinforcing frame is provided with a reinforcing block, and positioning blocks are fixedly connected to the front and rear sides of the reinforcing block.

[0012] Preferably, the surface of the positioning block engages with the inner wall of the bottom reinforcing frame, and the inner wall of the bottom reinforcing frame is provided with a limiting groove that cooperates with the positioning block.

[0013] Preferably, a stabilizing plate is movably connected to the inner wall of the reinforcing block, and limit blocks are fixedly connected to the left and right sides of the stabilizing plate, with the surface of the limit blocks engaging with the inner wall of the bottom reinforcing frame.

[0014] Preferably, the inner wall of the reinforcing block is provided with an installation groove for use with the stabilizing plate, and the inner wall of the bottom reinforcing frame is provided with a fixing groove for use with the limiting block.

[0015] Compared with the prior art, the beneficial effects of this utility model are: 1. This application sets up a support mechanism, in use, the first support frame and the second support frame form a support system, providing the core vertical compressive strength for the packaging box structure. The anti-tilt frame connects the two and builds a stable structure, effectively dispersing and transmitting compressive stress. Together with the bottom reinforcement frame and the top reinforcement frame, a stable support frame is formed, which greatly improves the overall compression resistance and deformation resistance of the packaging box structure. Moreover, the overall structure can be selected with cardboard or other suitable materials as needed, flexibly adapting to the compression resistance requirements of different product packaging, ensuring efficient packaging process and stable and reliable structure; 2. This application sets up a bottom reinforcement frame and a top reinforcement frame. The bottom reinforcement frame provides a stable load-bearing foundation for the support structure and internal items. Pearl cotton is laid on the bottom reinforcement frame and the protective position. Utilizing its cushioning properties, it absorbs and disperses the impact force generated by external compression, reducing the risk of damage to the items. The cover is snapped into the packaging box structure, further assisting in improving the compression resistance. With the cooperation of all the structures, a compression-resistant skeleton is built through rigid support, while the flexible cushioning of pearl cotton weakens the stress transmission, achieving dual protection for the packaging box structure and internal items, meeting the compression resistance requirements in transportation, storage and other scenarios. Attached Figure Description

[0016] Figure 1 This is an overall structural diagram of the cardboard packaging box with a compression-resistant structure according to this utility model; Figure 2 This is a structural diagram of the packaging box structure of this utility model; Figure 3 This is a structural diagram of the top reinforcing frame of this utility model; Figure 4 This is a structural diagram of the reinforcing block of this utility model; Figure 5 This is a structural diagram of the stabilizing plate of this utility model; Figure 6 This is a structural diagram of the connecting block of this utility model; Figure 7 This is a structural diagram of the support mechanism of this utility model; Figure 8 This is a structural diagram of the pearl cotton of this utility model.

[0017] In the diagram, 1. Packaging box structure; 2. Support mechanism; 201. First support frame; 202. Anti-tilt frame; 203. Second support frame; 3. Bottom reinforcement frame; 4. Top reinforcement frame; 5. Pearl cotton; 6. Cover; 7. Fixing frame; 8. Connecting block; 9. Slot; 10. Reinforcing block; 11. Positioning block; 12. Limiting slot; 13. Stabilizing plate; 14. Limiting block; 15. Mounting slot; 16. Fixing slot. Detailed Implementation

[0018] 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.

[0019] Please see Figures 1-8 The present invention provides the following technical solution: A cardboard packaging box with a pressure-resistant structure includes a packaging box structure 1. A bottom reinforcing frame 3 is placed on the inner wall of the packaging box structure 1. A support mechanism 2 is inserted into the inner wall of the bottom reinforcing frame 3. A top reinforcing frame 4 is inserted into the surface of the support mechanism 2. Pearl cotton 5 is placed on the top of the bottom reinforcing frame 3. A cover 6 is snapped onto the surface of the packaging box structure 1. The support mechanism 2 includes a first support frame 201. An anti-tilt frame 202 is fixedly connected to the front side of the first support frame 201. A second support frame 203 is fixedly connected to the front side of the anti-tilt frame 202.

[0020] In this embodiment: By setting up the support mechanism 2, a support system is formed by the first support frame 201 and the second support frame 203 during use, providing core vertical compressive strength for the packaging box structure 1. The anti-tilt frame 202 connects the two and constructs a stable structure, effectively dispersing and transmitting compressive stress. Together with the bottom reinforcing frame 3 and the top reinforcing frame 4, a stable support frame is formed, significantly improving the overall compression and deformation resistance of the packaging box structure 1. Moreover, the overall structure can be made of cardboard or other suitable materials as needed, flexibly adapting to the compression resistance requirements of different product packaging, ensuring efficient packaging process and stable and reliable structure. By setting a bottom reinforcing frame 3 and a top reinforcing frame 4, the bottom reinforcing frame 3 provides a stable bearing base for the support mechanism 2 and the internal items. Pearl cotton 5 is laid on the bottom reinforcing frame 3 and the protective position. Utilizing its buffering characteristics, it absorbs and disperses the impact force generated by external compression, reducing the risk of damage to the items. The cover 6 is snapped into the packaging box structure 1, further assisting in improving the compression resistance. With the cooperation of each structure, a compression-resistant skeleton is constructed through rigid support, while the flexible buffer of pearl cotton 5 weakens the stress transmission, achieving dual protection for the packaging box structure 1 and the internal items, meeting the compression resistance requirements in transportation, storage and other scenarios.

[0021] Specifically, such as Figure 3 As shown, the surfaces of the first support frame 201 and the second support frame 203 are respectively inserted into the inner wall of the bottom reinforcing frame 3, and the surfaces of the first support frame 201 and the second support frame 203 are respectively inserted into the inner wall of the top reinforcing frame 4.

[0022] Specifically, such as Figure 6 , Figure 7As shown, a fixing frame 7 is fixedly connected to the inner wall of the first support frame 201, and a connecting block 8 is inserted into the inner wall of the fixing frame 7.

[0023] Specifically, such as Figure 7 As shown, the surface of the connecting block 8 is in contact with the inner wall of the first support frame 201, and the inner wall of the fixing frame 7 is provided with a slot 9 that is used to cooperate with the connecting block 8.

[0024] In this embodiment: the first support frame 201 and the second support frame 203 are connected to the bottom reinforcing frame 3 and the top reinforcing frame 4 respectively by plugging in, forming a stable vertical support path, effectively transmitting and dispersing external extrusion pressure. By setting the fixing frame 7 and the connecting block 8, the fixing frame 7 is fixed to the first support frame 201 during use, which facilitates the subsequent insertion of the connecting block 8 into the inner wall of the fixing frame 7. This gives the support mechanism 2 modular splicing capability, and the usage mode of the support mechanism 2 can be flexibly adjusted according to the size of the packaging box and the load-bearing requirements. The slot 9 opened in the inner wall of the fixing frame 7 facilitates the insertion of the connecting block 8 into the inner wall of the fixing frame 7 through the slot 9, avoiding local stress concentration and making it convenient for users.

[0025] Specifically, such as Figure 4 , Figure 5 As shown, the inner wall of the bottom reinforcing frame 3 is provided with a reinforcing block 10, and a positioning block 11 is fixedly connected to the front and rear sides of the reinforcing block 10.

[0026] Specifically, such as Figure 4 , Figure 5 As shown, the surface of the positioning block 11 is engaged with the inner wall of the bottom reinforcing frame 3, and the inner wall of the bottom reinforcing frame 3 is provided with a limiting groove 12 that cooperates with the positioning block 11.

[0027] In this embodiment: By setting the reinforcing block 10 and the positioning block 11, the reinforcing block 10 and the positioning block 11 are fixed in place during use, which facilitates the subsequent engagement of the positioning block 11 with the reinforcing block 10 on the inner wall of the bottom reinforcing frame 3, thereby increasing the stability of the bottom reinforcing frame 3 during use and preventing bending of the bottom reinforcing frame 3 during use. The limiting groove 12 opened on the inner wall of the bottom reinforcing frame 3 facilitates the installation of the positioning block 11 onto the inner wall of the bottom reinforcing frame 3 through the limiting groove 12, which facilitates quick installation.

[0028] Specifically, such as Figure 4 , Figure 5 As shown, a stabilizing plate 13 is movably connected to the inner wall of the reinforcing block 10. Limiting blocks 14 are fixedly connected to the left and right sides of the stabilizing plate 13, and the surface of the limiting blocks 14 is engaged with the inner wall of the bottom reinforcing frame 3.

[0029] Specifically, such as Figure 4 , Figure 5As shown, the inner wall of the reinforcing block 10 is provided with an installation groove 15 that is used in conjunction with the stabilizing plate 13, and the inner wall of the bottom reinforcing frame 3 is provided with a fixing groove 16 that is used in conjunction with the limiting block 14.

[0030] In this embodiment: by setting a stabilizing plate 13 and a limiting block 14, the stabilizing plate 13 is fixed in place by the limiting block 14 during use, which facilitates the subsequent installation of the stabilizing plate 13 on the inner wall of the reinforcing block 10. Then, the stabilizing plate 13 drives the limiting block 14 and the reinforcing block 10 drives the positioning block 11 to be simultaneously engaged with the inner wall of the bottom reinforcing frame 3, which facilitates the enhancement of the integrity and torsional resistance of the bottom reinforcing frame 3. The mounting groove 15 opened in the inner wall of the reinforcing block 10 facilitates the insertion of the stabilizing plate 13 into the inner wall of the reinforcing block 10 through the mounting groove 15. The fixing groove 16 opened in the inner wall of the bottom reinforcing frame 3 facilitates the installation of the limiting block 14 on the inner wall of the bottom reinforcing frame 3 through the fixing groove 16.

[0031] Working Principle: During the use of the packaging box structure 1, the support mechanism 2, formed by the first support frame 201 and the second support frame 203, provides the core vertical compressive strength to the packaging box structure 1. The anti-tilt frame 202 connects the two and constructs a stable structure, effectively dispersing and transmitting compressive stress. Combined with the bottom reinforcing frame 3 and the top reinforcing frame 4, a stable support frame is formed, significantly improving the overall compression and deformation resistance of the packaging box structure 1. Furthermore, the overall structure can be made of cardboard or other suitable materials as needed, flexibly adapting to the compression resistance requirements of different product packaging, ensuring efficient packaging and structural integrity. Stable and reliable, the bottom reinforcing frame 3 and the top reinforcing frame 4 are set up. The bottom reinforcing frame 3 provides a stable bearing foundation for the support mechanism 2 and the internal items. Pearl cotton 5 is laid on the bottom reinforcing frame 3 and the protective position. Utilizing its buffering characteristics, it absorbs and disperses the impact force generated by external compression, reducing the risk of damage to the items. The cover 6 is snapped into the packaging box structure 1, which further helps to improve the compression resistance. With the cooperation of each structure, a compression-resistant skeleton is built through rigid support, and the stress transmission is weakened by the flexible buffer of pearl cotton 5. It achieves dual protection for the packaging box structure 1 and the internal items, meeting the compression resistance requirements in transportation, storage and other scenarios.

[0032] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cardboard packaging box with a compression-resistant structure, comprising a packaging box structure (1), characterized in that: The inner wall of the packaging box structure (1) is provided with a bottom reinforcing frame (3), and a support mechanism (2) is inserted into the inner wall of the bottom reinforcing frame (3). A top reinforcing frame (4) is inserted into the surface of the support mechanism (2). Pearl cotton (5) is placed on the top of the bottom reinforcing frame (3). A cover (6) is snapped onto the surface of the packaging box structure (1). The support mechanism (2) includes a first support frame (201). An anti-tilt frame (202) is fixedly connected to the front side of the first support frame (201). A second support frame (203) is fixedly connected to the front side of the anti-tilt frame (202).

2. A cardboard packaging box with a compression-resistant structure according to claim 1, characterized in that: The surfaces of the first support frame (201) and the second support frame (203) are respectively inserted into the inner wall of the bottom reinforcing frame (3), and the surfaces of the first support frame (201) and the second support frame (203) are respectively inserted into the inner wall of the top reinforcing frame (4).

3. A cardboard packaging box with a compression-resistant structure according to claim 1, characterized in that: The inner wall of the first support frame (201) is fixedly connected to a fixing frame (7), and a connecting block (8) is inserted into the inner wall of the fixing frame (7).

4. A cardboard packaging box with a compression-resistant structure according to claim 3, characterized in that: The surface of the connecting block (8) is in contact with the inner wall of the first support frame (201), and the inner wall of the fixing frame (7) is provided with a slot (9) that is used in conjunction with the connecting block (8).

5. A cardboard packaging box with a compression-resistant structure according to claim 1, characterized in that: The inner wall of the bottom reinforcing frame (3) is provided with a reinforcing block (10), and a positioning block (11) is fixedly connected to the front and rear sides of the reinforcing block (10).

6. A cardboard packaging box with a compression-resistant structure according to claim 5, characterized in that: The surface of the positioning block (11) engages with the inner wall of the bottom reinforcing frame (3), and the inner wall of the bottom reinforcing frame (3) is provided with a limiting groove (12) that works in conjunction with the positioning block (11).

7. A cardboard packaging box with a compression-resistant structure according to claim 5, characterized in that: The inner wall of the reinforcing block (10) is movably connected to a stabilizing plate (13), and the left and right sides of the stabilizing plate (13) are fixedly connected to limiting blocks (14), and the surface of the limiting blocks (14) is engaged with the inner wall of the bottom reinforcing frame (3).

8. A cardboard packaging box with a compression-resistant structure according to claim 7, characterized in that: The inner wall of the reinforcing block (10) is provided with an installation groove (15) that is used in conjunction with the stabilizing plate (13), and the inner wall of the bottom reinforcing frame (3) is provided with a fixing groove (16) that is used in conjunction with the limiting block (14).