A reinforced corrugated cardboard box

By installing an adjustment and reinforcement device on the inner wall of the corrugated cardboard box, the stability problem of the corrugated cardboard box during stacking is solved, achieving a reinforcement effect applicable to various cardboard box sizes, improving stability and saving resources.

CN224448531UActive Publication Date: 2026-07-03YANCHENG JINGTU PACKAGING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANCHENG JINGTU PACKAGING CO LTD
Filing Date
2025-07-12
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing corrugated cardboard boxes are prone to misalignment due to impact when stacked, leading to instability, and existing reinforcement mechanisms are not suitable for cardboard boxes of different sizes.

Method used

An adjustment and reinforcement device for the inner wall of a carton was designed. It is connected by reinforcing ribs and pivot pins, and combined with right-angle reinforcing ribs and U-shaped grooves to achieve position adjustment and fixation. It is suitable for various carton sizes.

Benefits of technology

It improves the stacking stability of corrugated cardboard boxes, has a wide range of applications, and is reusable, thus saving resources.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224448531U_ABST
    Figure CN224448531U_ABST
Patent Text Reader

Abstract

This utility model relates to the field of packaging carton technology, specifically a reinforced corrugated carton. The carton includes an adjustable reinforcing device on each of its four inner walls, comprising two identical reinforcing ribs and a pivot pin penetrating the center of each rib. Right-angled reinforcing ribs of the same height as the carton are located at each of the four corners. The adjustable reinforcing device is fixed to the right-angled reinforcing ribs by bolts. The advantages of this utility model are: firstly, the adjustable reinforcing device is suitable for various types of cartons, with a wide range of applications; secondly, the position of the carton to be reinforced can be adjusted according to requirements; and thirdly, the reinforcing device is reusable, saving resources.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of packaging cartons, and particularly relates to a reinforced corrugated carton. Background Technique

[0002] Corrugated board is a multi-layer adhesive body, which consists of at least one layer of wavy core paper interlayer and one layer of cardboard, and has high mechanical strength, capable of withstanding collisions and falls during handling.

[0003] When stacking some existing corrugated cartons, multiple corrugated cartons are directly stacked. When the upper corrugated carton is impacted, its position is prone to shift, which may easily cause the position of the upper corrugated carton to be misaligned with that of the lower corrugated carton, and then it is easy for the corrugated carton to fall off. Therefore, the stability of multiple corrugated cartons during stacking is poor.

[0004] For example, a reinforced corrugated carton with the patent number CN202221702278.X includes a box body. A top cover is arranged on the top surface of the box body, and a strengthening mechanism is arranged on the inner wall of the box body. The strengthening mechanism consists of a "mouth"-shaped cardboard and an X-shaped cardboard, and the X-shaped cardboard is arranged on the inner wall of the "mouth"-shaped cardboard. In this application, a pull ring facilitates the operator to drag the box body for movement, and by inserting the pull ring into the bottom surface of another box body for plugging, it is convenient to stack two box bodies together, thereby facilitating to reduce the possibility that the upper box body is misaligned with the lower box body and falls off after being impacted. Therefore, the box body is more stable during stacking. The strengthening mechanism facilitates the reinforcement of the box body. The X-shaped cardboard supports the "mouth"-shaped cardboard, thereby reducing the possibility of deformation of the "mouth"-shaped cardboard, and protecting the edges and corners of the bottom of the box body through the bottom corner guards, thereby facilitating to reduce the possibility of bending at the bottom of the box body.

[0005] However, this structure has the following disadvantages: The strengthening mechanism cannot be applied to multiple types of cartons. If the size of the carton changes, the X-shaped cardboard needs to be replaced. Content of the Utility Model

[0006] The purpose of the utility model is to provide a reinforced corrugated carton to solve the problems existing in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A reinforced corrugated carton, including carton 1, which is characterized in that: adjusting and strengthening devices 2 are arranged on the inner walls around the carton 1, including two identical reinforcing ribs 202 and a rotating pin 203 penetrating through the center of the reinforcing rib 202; right-angle reinforcing ribs 3 with the same height as the carton 1 are arranged at the four corners of the carton 1; the adjusting and strengthening device 2 is fixed to the right-angle reinforcing rib 3 through bolts.

[0008] Preferably, the reinforcing rib 202 has circular bosses 201 at both ends, and the bosses 201 have locking threads 204 at their centers.

[0009] Preferably, the two reinforcing ribs 202 are installed in opposite directions.

[0010] Preferably, the right-angle reinforcing rib 3 includes pads 301 at the upper and lower ends and corner ribs 302 fixed thereto, and both right-angled sides of the corner rib 302 are provided with U-shaped grooves 303 of equal length.

[0011] Preferably, the height of the boss 201 is the same as the thickness of the pad 301.

[0012] Compared with the prior art, the advantages of this utility model are: first, the adjusting and reinforcing device is applicable to a variety of cartons and has a wide range of applications; second, the position of the carton to be reinforced can be adjusted according to the needs; and third, the reinforcing device can be reused, saving resources. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 for Figure 1 Schematic diagram of the structure of the adjustment and strengthening device (2);

[0015] Figure 3 for Figure 1 Schematic diagram of the structure of the right-angled reinforcing rib (3).

[0016] In the diagram: 1. Cardboard box; 2. Adjustment and reinforcement device; 201. Boss; 202. Reinforcing rib; 203. Turning pin; 204. Locking thread; 3. Right angle reinforcing rib; 301. Pad; 302. Corner rib; 303. U-shaped groove. Detailed Implementation

[0017] 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.

[0018] Please see Figure 1-3 This utility model provides a technical solution: a reinforced corrugated cardboard box, including a cardboard box 1. The four corners of the cardboard box 1 are provided with right-angle reinforcing ribs 3 of the same height as the cardboard box 1. The right-angle reinforcing ribs 3 include pads 301 at the upper and lower ends and corner ribs 302 fixed thereto. The two right-angled sides of the corner ribs 302 are provided with U-shaped grooves 303 of equal length. The pads 301 are located between the cardboard box 1 and the corner ribs 302.

[0019] The inner walls of the carton 1 are equipped with adjusting and reinforcing devices 2, including two identical reinforcing ribs 202 and a pivot pin 203 passing through the center of the reinforcing ribs 202; the reinforcing ribs 202 have circular bosses 201 at both ends, and the bosses 201 have locking threads 204 at their centers. The two reinforcing ribs 202 are installed in opposite directions, and the height of the bosses 201 is the same as the thickness of the pad 301. This ensures that the bosses 201 are in contact with the carton 1 and the corner ribs 302 at the same time.

[0020] The adjusting and reinforcing device 2 is inserted between adjacent right-angle reinforcing ribs 3 by adjusting the angle between the reinforcing ribs 202, and the height is adjusted according to the requirements and fixed to the right-angle reinforcing ribs 3 by bolts. If the carton 1 is relatively high, more than 2 adjusting and reinforcing devices 2 can be installed on each side.

[0021] 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 reinforced corrugated carton comprising a carton (1) characterised in that: The inner walls of the cardboard box (1) are provided with adjustment and strengthening devices (2), including two identical reinforcing ribs (202) and a pivot pin (203) that passes through the center of the reinforcing ribs (202); the four corners of the cardboard box (1) are provided with right-angle reinforcing ribs (3) of the same height as the cardboard box (1); the adjustment and strengthening devices (2) are fixed to the right-angle reinforcing ribs (3) by bolts.

2. A reinforced corrugated carton according to claim 1, wherein: The reinforcing rib (202) has circular bosses (201) at both ends, and the bosses (201) have locking threads (204) at the center.

3. The reinforced corrugated carton of claim 1, wherein: The reinforcing ribs (202) are installed in two opposite directions.

4. The reinforced corrugated carton of claim 1, wherein: The right-angle reinforcing rib (3) includes pads (301) at the upper and lower ends and corner ribs (302) fixed thereto, and both right-angled sides of the corner rib (302) are provided with U-shaped grooves (303) of equal length.

5. The reinforced corrugated carton of claim 2, wherein: The height of the boss (201) is the same as the thickness of the pad (301).