Pressure-resistant environment-friendly packaging corrugated board

The multi-layered, staggered corrugated cardboard structure solves the problem of easy deformation of existing corrugated cardboard, achieving better pressure resistance and stability, and is suitable for the protection of fragile items.

CN223907260UActive Publication Date: 2026-02-13TANGSHAN JIUBO TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520551687.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-02-13
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing corrugated cardboard has insufficient cushioning properties, is easily deformed, and cannot effectively protect fragile items.

Method used

It adopts a multi-layer structure design, including an upper cardboard layer, a pressure-resistant cardboard layer and a lower cardboard layer. It is assembled by staggered interlocking slots and interlocking cardboard, and uses rigid support paper tubes and spring limiting structures to reduce the use of glue.

Benefits of technology

It significantly improves the pressure resistance and stability of corrugated cardboard, reduces the amount of glue used, and enhances the protection of fragile items.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pressure-resistant environment-friendly packaging corrugated paperboard which comprises an upper paperboard layer, a pressure-resistant paperboard layer is arranged below the upper paperboard layer, a lower paperboard layer is arranged below the pressure-resistant paperboard layer, a first clamping groove and a second clamping groove are formed in the upper surface of the pressure-resistant paperboard layer in a linear staggered mode, and the first clamping groove and the second clamping groove are communicated with each other. Third clamping grooves are formed in the upper surface of the upper paperboard layer at equal intervals. Through the arrangement of a first clamping paperboard, a second clamping paperboard, a second hard supporting paper tube, a spring and a limiting plate, compared with an existing single-layer corrugated paperboard, the corrugated paperboard has the advantages that the upper paperboard layer, the pressure-resistant paperboard layer and the lower paperboard layer are assembled, so that the pressure resistance of the corrugated paperboard is greatly improved, and the service life of the corrugated paperboard is prolonged; meanwhile, the use amount of glue is effectively reduced by adopting an inserting assembly limiting mode, and the stress area is increased through the first clamping paperboards and the second clamping paperboards which are arranged in a staggered manner, so that the pressure resistance and the stability of the corrugated board are further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated paperboard technical field, especially in kind of environmental protection packing corrugated paperboard of pressure resistance. BACKGROUND

[0002] At present, the paper packaging box made of corrugated paper is widely loved by consumers for packaging and protecting various products, and can ensure the quality of products during transportation or sales storage.

[0003] The existing corrugated paperboard is mainly composed of two face paper layers and a core paper layer, and the core paper layer is arranged between the two face paper layers. This kind of corrugated paperboard is only suitable for outer packaging. However, for fragile objects, the single structure has insufficient buffering characteristics. When the corrugated paper is subjected to large external pressure, it is prone to large deformation, and it is not easy to recover to the original state, which leads to changes in the overall structure of the packaging box, thereby losing the packaging function. Therefore, it is necessary to design a kind of environmental protection packing corrugated paperboard with good pressure resistance. SUMMARY

[0004] In order to overcome the insufficient buffering characteristics of the single-layer structure of the corrugated paperboard in the prior art, and the large deformation of the corrugated paperboard when subjected to large external pressure, one of the purposes of the utility model is to provide a kind of environmental protection packing corrugated paperboard with pressure resistance.

[0005] One of the purposes of the utility model is achieved by the following technical scheme: a kind of environmental protection packing corrugated paperboard with pressure resistance, including upper paperboard layer: the lower part of the upper paperboard layer is provided with pressure-resistant paperboard layer, the lower part of the pressure-resistant paperboard layer is provided with lower paperboard layer, the upper surface of the pressure-resistant paperboard layer is provided with first clamping groove and second clamping groove in the way of straight line stagger, the upper surface of the upper paperboard layer is provided with third clamping groove equidistantly, the lower surface of the upper paperboard layer is fixedly connected with first clamping paperboard equidistantly, the upper surface of the second clamping paperboard is provided with insertion hole symmetrically, the inner wall of the insertion hole is inserted with hard support paper tube one, one side of the second clamping paperboard is provided with through hole one, the side wall of the upper paperboard layer is provided with through hole two, the inner wall of the through hole one and the through hole two is inserted with hard support paper tube two, the side inner bottom wall of the hard support paper tube two is fixedly connected with spring, the other end of the spring is fixedly connected with limiting plate, the limiting plate penetrates the upper surface of the hard support paper tube two and is movably connected with the hard support paper tube two. By assembling the upper paperboard layer, the pressure-resistant paperboard layer and the lower paperboard layer, the pressure resistance of the corrugated paperboard is greatly improved compared with the single-layer corrugated paperboard, and the protection effect is better.

[0006] According to the pressure-resistant environment-friendly packaging corrugated paperboard, the upper surface of the upper paperboard layer is fixedly connected with the surface paper layer.

[0007] According to the pressure-resistant environment-friendly packaging corrugated paperboard, the hard support paper tube two is penetrated in the upper paperboard layer, the second clamping paperboard and the hard support paper tube one, and the hard support paper tube two is movably connected with the upper paperboard layer, the second clamping paperboard and the hard support paper tube one.

[0008] According to the pressure-resistant environment-friendly packaging corrugated paperboard, the upper paperboard layer is clamped with the pressure-resistant paperboard layer through the first clamping paperboard and the first clamping groove, and the lower paperboard layer is clamped with the upper paperboard layer through the second clamping paperboard, the second clamping groove and the third clamping groove.

[0009] According to the pressure-resistant environment-friendly packaging corrugated paperboard, the first clamping groove and the first clamping paperboard are inverted isosceles trapezoids, and the second clamping groove, the third clamping groove and the second clamping paperboard are right isosceles trapezoids.

[0010] According to the pressure-resistant environment-friendly packaging corrugated paperboard, the outer diameter of the hard support paper tube two is consistent with the inner diameter of the through hole one and the through hole two.

[0011] The above-mentioned scheme has the beneficial effects that:

[0012] Compared with the existing single-layer corrugated paperboard, the upper paperboard layer, the pressure-resistant paperboard layer and the lower paperboard layer are assembled in the corrugated paperboard, the pressure resistance of the corrugated paperboard is greatly improved, the amount of glue is effectively reduced in the mode of plug-in assembly limiting, the stress area is increased through the staggered first clamping paperboard and second clamping paperboard, and the pressure resistance and stability of the corrugated paperboard are further improved.

[0013] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in combination with the drawings and examples.

[0015] Figure 1 It is a whole structure schematic view of the pressure-resistant environment-friendly packaging corrugated paperboard.

[0016] Figure 2 Figure 2 is a structural schematic view of the second clamping paperboard of the pressure-resistant environment-friendly packaging corrugated paperboard of the utility model;

[0017] Figure 3 Figure 3 is a whole sectional structural schematic view of the pressure-resistant environment-friendly packaging corrugated paperboard of the utility model;

[0018] Figure 4 Figure 4 is a structural schematic view of the pressure-resistant environment-friendly packaging corrugated paperboard of the utility model; Figure 3 Figure 5 is an enlarged structural schematic view of A in Figure 4;

[0019] Figure 5 Figure 6 is a structural schematic view of the first clamping groove of the pressure-resistant environment-friendly packaging corrugated paperboard of the utility model.

[0020] Legend:

[0021] 1, upper paperboard layer; 2, pressure-resistant paperboard layer; 3, lower paperboard layer; 4, first clamping groove; 5, second clamping groove; 6, third clamping groove; 7, first clamping paperboard; 8, second clamping paperboard; 9, insertion hole; 10, hard supporting paper tube one; 11, through hole one; 12, through hole two; 13, hard supporting paper tube two; 14, spring; 15, limiting plate; 16, surface paper layer. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Reference Figures 1-5The utility model provides a kind of pressure-resistant environment-friendly packaging corrugated paperboard, including upper paperboard layer 1: the lower of upper paperboard layer 1 is provided with pressure-resistant paperboard layer 2, the lower of pressure-resistant paperboard layer 2 is provided with lower paperboard layer 3, the upper surface of pressure-resistant paperboard layer 2 is opened with first clamping groove 4 and second clamping groove 5 in straight line staggered mode, the upper surface of upper paperboard layer 1 is equidistantly opened with third clamping groove 6, the lower surface of upper paperboard layer 1 is equidistantly fixedly connected with first clamping paperboard 7, the upper surface of lower paperboard layer 3 is equidistantly fixedly connected with second clamping paperboard 8, the upper surface of second clamping paperboard 8 is symmetrically opened with jack 9, the inner wall of jack 9 is inserted with hard support paper tube one 10, one side of second clamping paperboard 8 is opened with through hole one 11, the sidewall of upper paperboard layer 1 is opened with through hole two 12, the inner wall of through hole one 11 and through hole two 12 is inserted with hard support paper tube two 13, one side inner bottom wall of hard support paper tube two 13 is fixedly connected with spring 14, the other end of spring 14 is fixedly connected with limit plate 15, limit plate 15 penetrates the upper surface of hard support paper tube two 13 and is movably connected with hard support paper tube two 13, the upper surface of upper paperboard layer 1 is fixedly connected with face paper layer 16, hard support paper tube two 13 penetrates upper paperboard layer 1, second clamping paperboard 8 and hard support paper tube one 10, and hard support paper tube two 13 is inserted with upper paperboard layer 1, second clamping paperboard 8 and hard support paper tube one 10, upper paperboard layer 1 is clamped with pressure-resistant paperboard layer 2 through first clamping paperboard 7 and first clamping groove 4, and lower paperboard layer 3 is clamped with upper paperboard layer 1 through second clamping paperboard 8, second clamping groove 5 and third clamping groove 6, first clamping groove 4 and first clamping paperboard 7 are inverted isosceles trapezoidal, and second clamping groove 5, third clamping groove 6 and second clamping paperboard 8 are right isosceles trapezoidal, and the outer diameter of hard support paper tube two 13 is consistent with the inner diameter of through hole one 11 and through hole two 12.

[0024] So set, upper paperboard layer 1, pressure-resistant paperboard layer 2 and lower paperboard layer 3 are inserted and assembled through multiple first clamping paperboard 7, second clamping paperboard 8, first clamping groove 4, second clamping groove 5 and third clamping groove 6, and the stress area of corrugated paperboard is greatly increased in the mode of multiple layers staggered insertion, so as to improve the pressure-resistant performance of corrugated paperboard, and the amount of glue is reduced, more environmentally friendly, first clamping groove 4 and first clamping paperboard 7 are inverted isosceles trapezoidal, and second clamping groove 5, third clamping groove 6 and second clamping paperboard 8 are right isosceles trapezoidal, so that the stability of corrugated paperboard as a whole is better.

[0025] Working principle: the pressure-resistant paperboard layer 2 is sleeved on the lower surface of the upper paperboard layer 1 through a plurality of first clamping grooves 4 and first clamping paperboards 7, then the lower paperboard layer 3 is installed on the lower surface of the pressure-resistant paperboard layer 2, a plurality of second clamping paperboards 8 are inserted into the inner walls of a plurality of second clamping grooves 5 and third clamping grooves 6, and the upper surfaces of the second clamping paperboards 8 abut against the lower surface of the tissue paper layer 16, and the center lines of the through hole one 11 and the through hole two 12 are on a straight line, then the hard supporting paper tube two 13 is inserted into the through hole two 12 away from one end of the limiting plate 15, and passes through the through hole one 11, the second clamping paperboards 8 and the hard supporting paper tube one 10, then the limiting plate 15 is pressed to extrude the spring 14, so that the limiting plate 15 is shrunk in the inner wall of the hard supporting paper tube two 13, avoiding the other end of the hard supporting paper tube two 13 from passing through the through hole two 12, when the hard supporting paper tube two 13 passes through the through hole two 12, the limiting plate 15 moves to the inner wall of the leftmost hard supporting paper tube one 10, and the limiting plate 15 is popped out from the inner wall of the hard supporting paper tube two 13 under the elastic action of the spring 14, so that the upper paperboard layer 1, the pressure-resistant paperboard layer 2 and the lower paperboard layer 3 are assembled together through the limiting plate 15, the spring 14 and the hard supporting paper tube two 13, compared with single-layer corrugated paperboard, the multi-layer paperboard assembly mode greatly improves the pressure resistance of the corrugated paperboard, the insertion assembly limiting mode effectively reduces the amount of glue used, and the first clamping paperboards 7 and the second clamping paperboards 8 arranged in a staggered mode increase the stress area, further improving the pressure resistance and stability of the corrugated paperboard.

[0026] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A pressure-resistant, environmentally friendly packaging corrugated paperboard, characterized by, The upper paperboard layer (1) is provided below with a pressure-resistant paperboard layer (2), and the pressure-resistant paperboard layer (2) is provided below with a lower paperboard layer (3), the upper surface of the pressure-resistant paperboard layer (2) is provided with first and second clamping grooves (4) and (5) in a straight-line staggered manner, the upper surface of the upper paperboard layer (1) is provided with a third clamping groove (6) at equal intervals, the lower surface of the upper paperboard layer (1) is fixedly connected with first clamping paperboards (7) at equal intervals, and the upper surface of the lower paperboard layer (3) is fixedly connected with second clamping paperboards (8) at equal intervals. The upper surface of the second clamping paperboard (8) is symmetrically provided with a jack (9), the inner wall of the jack (9) is inserted with a hard support paper tube (10), one side of the second clamping paperboard (8) is provided with a through hole (11), the side wall of the upper paperboard layer (1) is provided with a through hole (12), the inner walls of the through hole (11) and the through hole (12) are inserted with a hard support paper tube (13), one side of the inner bottom wall of the hard support paper tube (13) is fixedly connected with a spring (14), the other end of the spring (14) is fixedly connected with a limiting plate (15), and the limiting plate (15) penetrates the upper surface of the hard support paper tube (13) and is movably connected with the hard support paper tube (13).

2. The pressure-resistant environment-friendly packaging corrugated paperboard according to claim 1, characterized in that, The upper surface of the upper paperboard layer (1) is fixedly connected with a face paper layer (16).

3. The pressure-resistant environment-friendly packaging corrugated paperboard according to claim 1, characterized in that, The hard support paper tube (13) penetrates the upper paperboard layer (1), the second clamping paperboard (8) and the hard support paper tube (10), and the hard support paper tube (13) is inserted with the upper paperboard layer (1), the second clamping paperboard (8) and the hard support paper tube (10).

4. The pressure-resistant environment-friendly packaging corrugated paperboard according to claim 1, characterized in that, The upper paperboard layer (1) is clamped with the pressure-resistant paperboard layer (2) through the first clamping paperboard (7) and the first clamping groove (4), and the lower paperboard layer (3) is clamped with the upper paperboard layer (1) through the second clamping paperboard (8), the second clamping groove (5) and the third clamping groove (6).

5. The pressure-resistant environment-friendly packaging corrugated paperboard according to claim 1, characterized in that, The first clamping groove (4) and the first clamping paperboard (7) are both inverted isosceles trapezoids, and the second clamping groove (5), the third clamping groove (6) and the second clamping paperboard (8) are all right isosceles trapezoids.

6. The pressure-resistant environmentally friendly packaging corrugated paperboard according to claim 1, characterized in that, The outer diameter of the hard support paper tube (13) is consistent with the inner diameter of the through hole (11) and the through hole (12).