Corrugated box with double-well reinforcing structure

By using a double-reinforced support and connection component with a double-groove reinforcing rib structure, combined with a magnetic effect and a modular locking structure, the problems of deformation prevention and stacking stability of corrugated cardboard boxes are solved, achieving efficient support and stability.

CN224448580UActive Publication Date: 2026-07-03ZHAOQING JIAWANG PAPER PACKAGING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHAOQING JIAWANG PAPER PACKAGING CO LTD
Filing Date
2025-06-13
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing corrugated cardboard boxes are inadequate in terms of deformation prevention and stacking stability, especially prone to tilting during stacking, and have insufficient effective storage space.

Method used

The structure employs a double-reinforced rib design, including support reinforcement components and connecting reinforcement components. Combined with magnetic attraction and modular locking structure, it forms a multi-level force transmission structure, enhancing the stability and support performance of the corrugated cardboard box.

Benefits of technology

It improves the stability and support performance of corrugated cardboard boxes, ensures effective loading space, enables quick assembly and disassembly and reuse, and avoids the skewing problem of traditional structures.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224448580U_ABST
    Figure CN224448580U_ABST
Patent Text Reader

Abstract

This utility model provides a corrugated cardboard box with a double-walled reinforced structure, relating to the field of corrugated cardboard box technology. It includes a corrugated cardboard box body, a top cover, and an inner partition. Two supporting reinforcement components are provided on each of the left and right sides of the inner side of the box body. A connecting reinforcement component is provided between the two supporting reinforcement components on each side. A locking component extending inwards is provided on the top of each supporting reinforcement component. This double-walled reinforced corrugated cardboard box forms a multi-level force transmission structure, reducing ineffective bonding areas, ensuring effective loading space, and effectively improving the stability and support performance of the corrugated cardboard box. It allows for adaptive fine-tuning and alignment when adjacent boxes are stacked, avoiding the skewing problem common in traditional structures. Furthermore, the modular locking structure of the locking components enables quick assembly and disassembly and reuse.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of corrugated cardboard box technology, and in particular to a corrugated cardboard box with a double-corrugated reinforcing rib structure. Background Technology

[0002] Corrugated cardboard boxes are one of the most widely used packaging products. With their superior performance and good processing properties, corrugated cardboard boxes have gradually replaced wooden boxes and other transport packaging containers, becoming the mainstay of transport packaging. Corrugated cardboard boxes are green and environmentally friendly products, which are beneficial to the environment and easy to load, unload and transport.

[0003] A search revealed Chinese Patent Publication No. CN218807202U, which discloses a packaging carton resistant to deformation. The carton includes a base plate, an outer shell integrally formed on the surface of the base plate, and a top cover fixed to the surface of the outer shell via a fixing component. The fixing component secures the top cover, and the surface of the outer shell is connected to the base plate via a reinforcement device. This technical solution improves the deformation resistance of the corrugated carton by bonding double layers of corrugated paper. However, this structure reduces the effective storage space inside the carton during use. Furthermore, this type of corrugated carton is prone to tilting during stacking, resulting in poor applicability and failing to meet usage requirements. Therefore, a corrugated carton with a double-reinforced rib structure is proposed to address these problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a corrugated cardboard box with a double-reinforced rib structure to solve the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A corrugated cardboard box with a double-reinforced structure includes a corrugated cardboard box body, a box cover plate on the top of the corrugated cardboard box body, a partition plate on the inner side of the corrugated cardboard box body, two support reinforcement components on each of the left and right sides of the inner side of the corrugated cardboard box body, a connecting reinforcement component between the two support reinforcement components on each side, and a locking component extending to the inner side of the top of the support reinforcement component.

[0007] The support reinforcement assembly includes corner plates, which are fixedly installed at the corners of the corrugated cardboard box body, with two plates installed symmetrically at each corner. A sleeve is movably installed on the inner side of the lower corner plate. An extension post extending through to the bottom of the corrugated cardboard box body is fixedly connected to the bottom of the sleeve. A support pad that fits against the bottom of the corrugated cardboard box body is threaded onto the outer side of the extension post. A positive magnet is fixedly installed on the inner side of the support pad. A support post that fits against the upper corner plate is movably installed on the inner side of the sleeve.

[0008] Preferably, the connecting reinforcement assembly includes a transverse connecting plate and a longitudinal connecting plate. There are two transverse connecting plates and two longitudinal connecting plates, which are respectively attached to the inner side wall of the corrugated cardboard box. Two connecting sleeves are fixedly installed on one side of each transverse connecting plate and longitudinal connecting plate and are fitted onto the outside of adjacent support columns. The outer side of each connecting sleeve is threaded with a positioning bolt that is movably connected to the support column.

[0009] Preferably, the locking assembly includes a locking stud, which is threaded onto the top of the support column and extends to the top of the upper corner plate. A rotary knob is fixedly installed on the top of the locking stud, and a negative magnet is fixedly installed inside the rotary knob.

[0010] Preferably, the corner plate has a triangular structure design, and both the support pad and the support column are made of plastic.

[0011] Preferably, the support column has a positioning screw groove inside that is adapted to the positioning bolt.

[0012] Preferably, the top of the support column is provided with a locking screw groove that is adapted to the locking screw.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This double-reinforced corrugated cardboard box features four symmetrically arranged support reinforcement components (including corner plates, sleeves, extension columns, support pads, and positive magnets) on the left and right sides of the inner side of the box. Combined with the cross-fixing of the connecting reinforcement components (transverse connecting plates and longitudinal connecting plates), a multi-level force transmission structure is formed, reducing ineffective bonding areas, ensuring effective loading space, and effectively improving the stability and support performance of the corrugated cardboard box.

[0015] This corrugated cardboard box with a double-reinforced structure achieves vertical rigid locking through the threaded engagement of locking studs and rotating knobs. Combined with the magnetic attraction effect of positive and negative magnets, it significantly enhances the box's lateral compression resistance, enabling adaptive fine-tuning alignment and adsorption when adjacent boxes are stacked, avoiding the skewing problem of traditional structures. At the same time, the modular locking structure of the locking components allows for quick disassembly and reuse. Attached Figure Description

[0016] Figure 1 A schematic diagram of the main structure of a corrugated cardboard box with a double-corrugated reinforcing rib structure provided by this utility model;

[0017] Figure 2 A three-dimensional view of the bottom structure of a corrugated cardboard box with a double-reinforced structure provided by this utility model;

[0018] Figure 3A three-dimensional view of a support and reinforcement component structure for a corrugated cardboard box with a double-corrugated reinforcing rib structure provided by this utility model;

[0019] Figure 4 A three-dimensional view of the positive magnet structure of a corrugated cardboard box with a double-corrugated reinforcing rib structure provided by this utility model;

[0020] Figure 5 A three-dimensional view of the locking assembly structure of a corrugated cardboard box with a double-corrugated reinforcing rib structure provided by this utility model.

[0021] Legend: 1. Corrugated cardboard box body; 2. Box lid; 3. Partition; 4. Support reinforcement assembly; 41. Corner plate; 42. Sleeve; 43. Extension post; 44. Support pad; 45. Positive magnet; 46. Support post; 5. Connecting reinforcement assembly; 51. Transverse connecting plate; 52. Longitudinal connecting plate; 53. Connecting sleeve; 54. Positioning bolt; 541. Positioning screw groove; 6. Locking assembly; 61. Locking stud; 611. Locking screw groove; 62. Rotary knob; 63. Negative magnet. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items. Example 1

[0026] like Figure 1-5 As shown, this utility model provides a technical solution: a corrugated cardboard box with a double-reinforced structure, including a corrugated cardboard box body 1, a box cover plate 2 fixedly connected to the top of the corrugated cardboard box body 1, a partition plate 3 fixedly installed on the inner side of the corrugated cardboard box body 1, and two support reinforcement components 4 fixedly installed on the left and right sides of the inner side of the corrugated cardboard box body 1. The support reinforcement component 4 includes corner plates 41, which are fixedly installed at the corners of the corrugated cardboard box body 1, and two are symmetrically installed at each corner. The corner plates 41 have a triangular structure design, which allows the load to be evenly transmitted along the three sides when the corner plates 41 are subjected to lateral impact.

[0027] A sleeve 42 is movably installed on the inner side of the lower corner plate 41. An extension post 43 that extends through to the bottom of the corrugated cardboard box body 1 is fixedly connected to the bottom of the sleeve 42. A support pad 44 that fits against the bottom of the corrugated cardboard box body 1 is threaded on the outer side of the extension post 43. A positive magnet 45 is fixedly installed on the inner side of the support pad 44. A support post 46 that fits against the upper corner plate 41 is movably installed on the inner side of the sleeve 42. Both the support pad 44 and the support post 46 are made of plastic. The plastic material provides cushioning performance and reduces vibration impact. The corner plate 41, sleeve 42, extension post 43 and support post 46 of the support reinforcement component 4 form a vertical support structure, which effectively improves the vertical support strength of the corrugated cardboard box.

[0028] A connecting reinforcement component 5 is movably installed between two supporting reinforcement components 4 on one side. The connecting reinforcement component 5 includes a transverse connecting plate 51 and a longitudinal connecting plate 52. There are two transverse connecting plates 51 and two longitudinal connecting plates 52, which are respectively attached to the inner side wall of the corrugated cardboard box body 1. Two connecting sleeves 53 are fixedly installed on one side of each of the transverse connecting plates 51 and the longitudinal connecting plates 52, which are fitted onto the outside of the adjacent support column 46. The outer side of the connecting sleeve 53 is threaded with a positioning bolt 54 that is movably connected to the support column 46. The inside of the support column 46 The corrugated cardboard box with double-pit reinforced rib structure has a positioning screw groove 541 adapted to the positioning bolt 54. The four supporting reinforcement components 4 (including corner plates 41, sleeves 42, extension columns 43, support pads 44 and positive magnets 45) are symmetrically arranged on the left and right sides of the inner side of the corrugated cardboard box body 1. Combined with the cross-fixing of the connecting reinforcement components 5 (transverse connecting plate 51 and longitudinal connecting plate 52), a multi-level force transmission structure is formed, which reduces the ineffective bonding area, ensures effective loading space, and effectively improves the stability and support performance of the corrugated cardboard box.

[0029] A locking component 6 extending to the inside is movably installed on the top of the supporting reinforcement component 4. The locking component 6 includes a locking stud 61, which is threaded onto the top of the support column 46 and extends to the top of the upper corner plate 41. The top of the support column 46 has a locking screw groove 611 that matches the locking stud 61. A rotating knob 62 is fixedly installed on the top of the locking stud 61. A negative magnet 63 is fixedly installed inside the rotating knob 62. This corrugated cardboard box with a double-pit reinforced rib structure achieves vertical rigid locking through the threaded engagement of the locking stud 61 and the rotating knob 62. Combined with the magnetic attraction effect of the positive magnet 45 and the negative magnet 63, it significantly enhances the lateral pressure resistance of the box and enables adaptive fine-tuning alignment and adsorption when adjacent boxes are stacked, avoiding the problem of easy skewing in traditional structures. At the same time, the modular locking structure of the locking component 6 enables quick disassembly and reuse.

[0030] The working process of this utility model:

[0031] Step 1: The corner plate 41, sleeve 42, extension column 43 and support column 46 of the support reinforcement component 4 form a vertical support structure, which effectively improves the vertical support strength of the corrugated cardboard box. The support pad 44 at the bottom of the extension column 43 is installed by thread, which is convenient for disassembly and assembly.

[0032] Step 2: The connecting reinforcement component 5 connects and supports the transverse connecting plate 51 and the longitudinal connecting plate 52 to the support column 46 through the positioning bolt 54 and the connecting sleeve 53, effectively strengthening the support strength of the side of the corrugated carton.

[0033] Step 3: The locking stud 61 in the locking assembly 6 is locked by rotating and pressing down the knob 62. When the corrugated carton is stacked, the negative magnet 63 is attracted and fixed to the positive magnet 45 in the support pad 44, realizing adaptive fine-tuning alignment during stacking and improving the stability of stacking.

[0034] 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 corrugated carton of double-pit reinforcing rib structure, comprising a corrugated carton body (1), a top of the corrugated carton body (1) is provided with a carton cover plate (2), an inner side of the corrugated carton body (1) is provided with a partition plate (3), characterized in that: The corrugated cardboard box body (1) has two support reinforcement components (4) on both the left and right sides of the inner side. A connecting reinforcement component (5) is provided between the two support reinforcement components (4) on each side. A locking component (6) extending to the inner side of the support reinforcement component (4) is provided on the top of the support reinforcement component (4). The support reinforcement component (4) includes corner plates (41), which are fixedly installed at the corners of the corrugated cardboard box body (1) with two plates installed symmetrically at each corner. A sleeve (42) is movably installed on the inner side of the lower corner plate (41). An extension post (43) extending through to the bottom of the corrugated cardboard box body (1) is fixedly connected to the bottom of the sleeve (42). A support pad (44) that fits against the bottom of the corrugated cardboard box body (1) is threaded on the outer side of the extension post (43). A positive magnet (45) is fixedly installed on the inner side of the support pad (44). A support post (46) that fits against the upper corner plate (41) is movably installed on the inner side of the sleeve (42).

2. A double-wall corrugated paperboard carton of the type defined in claim 1, characterized in that: The connecting reinforcement component (5) includes a transverse connecting plate (51) and a longitudinal connecting plate (52). There are two transverse connecting plates (51) and two longitudinal connecting plates (52), which are respectively attached to the inner side wall of the corrugated cardboard box body (1). Two connecting sleeves (53) are fixedly installed on one side of the transverse connecting plate (51) and the longitudinal connecting plate (52) and are sleeved on the outside of the adjacent support column (46). The outer side of the connecting sleeve (53) is threaded with a positioning bolt (54) that is movably connected to the support column (46).

3. A double-wall corrugated paperboard carton of the type defined in claim 1, characterized in that: The locking assembly (6) includes a locking stud (61) which is threaded onto the top of the support column (46) and extends to the top of the upper corner plate (41). A rotating knob (62) is fixedly installed on the top of the locking stud (61), and a negative magnet (63) is fixedly installed inside the rotating knob (62).

4. A double-wall corrugated paperboard carton of claim 1 wherein: The corner plate (41) has a triangular structure design, and the support pad (44) and support column (46) are both plastic products.

5. A double-wall corrugated paperboard carton of claim 2, wherein: The support column (46) has a positioning screw groove (541) inside that is compatible with the positioning bolt (54).

6. A double-wall corrugated paperboard carton of claim 3 wherein: The top of the support column (46) is provided with a locking screw groove (611) that is compatible with the locking screw (61).