CN220031350U

CN220031350U - Corrugated board with high hardness

Info

Publication number: CN220031350U
Application number: CN202223191235.2U
Authority: CN
Inventors: 韩文川; 刘银山; 崔桂红; 吕涛; 丁守梅
Original assignee: Qingdao Haiwang Paper Co ltd
Current assignee: Qingdao Haiwang Paper Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-11-17
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a corrugated board with high hardness, which relates to the technical field of corrugated boards and comprises an outer end part and an inner end part, wherein a gap part is arranged between the outer end part and the inner end part, a paper core connected with the outer end part and the inner end part is arranged in the gap part, a first groove is formed in the end face of the bottom end of the paper core, a second groove and a third groove which are symmetrically distributed are formed in the end face of the top end of the paper core, a fourth groove is formed in the end face of the outer end part, a fifth groove is formed in the inner side of the paper core in the vertical direction of the fourth groove, and a reinforcing plate is arranged between the fourth groove and the fifth groove. According to the utility model, the extrusion resistance degree of the corrugated board is further improved through the paper core, the first groove, the second groove, the third groove, the fourth groove, the fifth groove and the reinforcing plate, the hardness of the corrugated board is also greatly improved, external high-strength extrusion can be effectively resisted, and the practicability is strong.

Description

Corrugated board with high hardness

Technical Field

The utility model relates to the technical field of corrugated boards, in particular to a corrugated board with high hardness.

Background

The corrugated board is a multi-layer adhesive body, is at least composed of a layer of wavy core paper interlayer and a layer of board, has higher mechanical strength, can resist collision and falling in the process of carrying, and the actual performance of the corrugated board depends on three factors: the nature of the core paper and paperboard and the structure of the carton itself.

A reinforcing paper core is arranged between two end parts of the existing corrugated board to cope with external extrusion, so that certain compressive strength is achieved.

However, in practical use, it is found that the reinforcing portion can only cope with the extrusion with lower strength, but cannot face the extrusion with higher strength, so that the reinforcing portion is extruded to find deformation in most cases, and further the protection effect on the internal articles cannot be ensured, and therefore, we propose a corrugated board with high hardness.

Disclosure of Invention

Based on this, the present utility model aims to provide a corrugated board with high hardness, so as to solve the technical problems mentioned in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a corrugated container board that hardness is high, includes outer tip and inner, be provided with the clearance portion between outer tip, the inner, and the inside of clearance portion is provided with the refill of all being connected with outer tip, inner, a groove has been seted up to the terminal surface that the bottom of refill is located the inner tip, and No. two grooves and No. three grooves of symmetric distribution have been seted up to the terminal surface that the top of refill is located the outer tip, no. four grooves have still been seted up to the terminal surface of outer tip, and No. five grooves have been seted up to the inboard that is located the refill on the vertical direction in No. four grooves, install the reinforcing plate between No. four grooves, the No. five grooves.

By adopting the technical scheme, the anti-extrusion effect of the corrugated board is obviously improved, and the corrugated board can be extruded to a higher degree, so that the overall hardness of the corrugated board is improved.

The utility model further provides that the number of the paper cores is multiple, and the multiple paper cores are equidistantly and continuously distributed in the gap part.

By adopting the technical scheme, the support effect of the outer end part and the inner end part is achieved.

The utility model further provides that the reinforcement plate is made of a hard material.

Through adopting above-mentioned technical scheme, play the crooked effect of preventing the reinforcing plate, improve the firm degree of reinforcing plate.

The utility model is further provided that the reinforcing plate is in sliding connection with the inner wall of the fourth groove, and the reinforcing plate is in sliding connection with the inner wall of the fifth groove.

Through adopting above-mentioned technical scheme, play the reinforcing plate installation of being convenient for and effect of dismantling.

The utility model is further provided with rubber friction layers at the positions of the inner walls of the fourth groove and the fifth groove, which are close to the end parts.

Through adopting above-mentioned technical scheme, play the spacing effect to the reinforcing plate, prevent that it from shifting and breaking away from.

The waterproof wear-resistant layer is further made of waterproof light materials, and wear-resistant paint is smeared on the outer wall of the waterproof materials.

Through adopting above-mentioned technical scheme, play the dampproofing and waterproofing effect to the cardboard to guarantee its high rigidity.

The utility model further provides that the tensile layer is made of a hard, lightweight material, which may be glass fibers, and which may be plastic.

By adopting the technical scheme, the effect of preventing the paperboard from transversely stretching is achieved, and the hardness of the paperboard is further improved.

In summary, the utility model has the following advantages:

1. according to the utility model, the hardness of the corrugated board is improved through the paper cores, the first groove, the second groove and the third groove and through the continuously distributed paper cores, so that the compressive strength of the corrugated board is improved, and further, the bottom ends of the paper cores are respectively connected in the first groove, the second groove and the third groove, so that the three end parts of the paper cores form a triangular shape, the extrusion resistance degree of the paper cores is further improved by utilizing the characteristic of triangular stability, and the required force for deformation of the paper cores is also greater, so that the hardness of the corrugated board is further improved;

2. according to the utility model, through the fourth groove, the fifth groove and the reinforcing plate, the reinforcing plate is arranged on the inner side of the paper core, so that the outer end part and the inner end part are further supported, the extrusion resistance degree is further improved, the hardness of the corrugated board is greatly improved, the external high-strength extrusion can be effectively resisted, and the practicability is strong.

3. According to the utility model, the waterproof wear-resistant layer and the stretch-resistant layer are adopted, so that the wear-resistant coating on the outer wall of the waterproof wear-resistant layer can effectively prevent the waterproof material from being damaged, and thus the high-efficiency waterproof effect can be ensured while the use toughness is improved, the hardness of the paperboard is ensured, the problem of hardness reduction caused by moisture of the paperboard is prevented, in addition, the stretch-resistant layer can effectively prevent the paperboard from being transversely stretched, the hardness of the paperboard is further improved, and the paperboard has extremely high hardness as a result of being matched with the radial compression-resistant effect of the paperboard.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

fig. 3 is a schematic view of the waterproof tensile structure of the present utility model.

In the figure: 1. an outer end portion; 2. an inner end portion; 3. a gap portion; 4. a paper core; 5. a first groove; 6. a second groove; 7. a third groove; 8. a fourth groove; 9. a fifth groove; 10. a reinforcing plate; 11. a waterproof wear-resistant layer; 12. a stretch resistant layer.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a corrugated container board that hardness is high, as shown in fig. 1-2, including outer tip 1 and inner tip 2, be provided with clearance portion 3 between outer tip 1, inner tip 2, and the inside of clearance portion 3 is provided with the refill 4 that all is connected with outer tip 1, inner tip 2, a groove 5 has been seted up to the terminal surface that the bottom of refill 4 is located inner tip 2, and No. two grooves 6 and No. three grooves 7 of symmetric distribution have been seted up to the terminal surface that the top of refill 4 is located outer tip 1, no. four grooves 8 have still been seted up to the terminal surface of outer tip 1, and No. five grooves 9 have been seted up to No. five grooves 9 on the vertical direction of No. four grooves 8 in the inboard of refill 4, no. four grooves 8, install reinforcing plate 10 between No. five grooves 9, reinforcing plate 10 comprises hard material, the firmness of reinforcing plate 10 has been guaranteed, avoid reinforcing plate 10 to take place to crooked, in addition, reinforcing plate 10 and No. four groove 8 inner wall sliding connection, and reinforcing plate 10 and No. five groove 9 inner wall sliding connection, the reinforcing plate 10 is convenient for reinforcing plate 10 inserts and pulls out No. four grooves 8, no. five grooves 9, further promote the installation efficiency to reinforcing plate 10.

Referring to fig. 1, the number of the paper cores 4 is multiple, and the multiple paper cores 4 are equidistantly and continuously distributed in the gap portion 3, so as to uniformly support the outer end portion 1 and the inner end portion 2, and improve the supporting quality.

Referring to fig. 2, rubber friction layers are disposed on the inner walls of the fourth and fifth grooves 8 and 9 and near the ends thereof, so that friction force of the fourth and fifth grooves 8 and 9 to the reinforcing plate 10 is increased, and displacement and detachment of the reinforcing plate 10 are prevented.

Referring to fig. 3, the waterproof and wear-resistant layer 11 is made of waterproof light materials, the outer wall of the waterproof materials is coated with wear-resistant paint, the stretch-resistant layer 12 is made of hard light materials, the hard materials can be glass fibers, and the hard materials can be plastics, so that the paperboard can be waterproof and dampproof, high hardness is guaranteed, the stretch-resistant layer 12 prevents the paperboard from stretching transversely, and the hardness of the paperboard is further improved.

The working principle of the utility model is as follows: the hardness of the corrugated board is improved through the continuously distributed paper cores 4, so that the compressive strength of the corrugated board is improved, and further, the bottom ends of the paper cores 4 are respectively connected in the first groove 5, the second groove 6 and the third groove 7, so that three end parts of the paper cores 4 form a triangular shape, and the extrusion resistance degree of the paper cores 4 is further improved by utilizing the characteristic of triangular stability;

the reinforcing plate 10 at the inner side of the paper core 4 further supports the outer end part 1 and the inner end part 2, so that the extrusion resistance degree is further improved, the hardness of the corrugated board is further greatly improved, the external high-strength extrusion can be effectively resisted, and the practicability is high;

further, the wear-resistant coating of waterproof wearing layer 11 outer wall can prevent effectively that waterproof material is impaired to also can guarantee efficient waterproof effect when improving use toughness, guaranteed the hardness of cardboard, in addition, stretch-proofing layer 12 can prevent effectively that the cardboard from being transversely stretched, has further improved the hardness of cardboard, matches the radial compressive effect of cardboard, wholly makes the cardboard have high hardness.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a corrugated container board that hardness is high, includes outer tip (1) and inner tip (2), its characterized in that: the novel anti-stretching device is characterized in that a gap part (3) is arranged between the outer end part (1) and the inner end part (2), a supporting part (4) connected with the outer end part (1) and the inner end part (2) is arranged in the gap part (3), a first groove (5) is formed in the end face of the inner end part (2) at the bottom end of the supporting part (4), a second groove (6) and a third groove (7) which are symmetrically distributed are formed in the end face of the outer end part (1) at the top end of the supporting part (4), a fourth groove (8) is formed in the end face of the outer end part (1), a fifth groove (9) is formed in the inner side of the supporting part (4) in the vertical direction of the fourth groove (8), a reinforcing plate (10) is arranged between the fourth groove (8) and the fifth groove (9), a waterproof wear-resistant layer (11) is arranged on the end face of the outer end part (1), and a stretching layer (12) is arranged inside the outer end part (1).

2. A high stiffness corrugated board according to claim 1, wherein: the number of the supporting parts (4) is multiple, and the supporting parts (4) are equidistantly and continuously distributed in the gap part (3).

3. A high stiffness corrugated board according to claim 1, wherein: the reinforcing plate (10) is made of a hard material.

4. A high stiffness corrugated board according to claim 1, wherein: the reinforcing plate (10) is in sliding connection with the inner wall of the fourth groove (8), and the reinforcing plate (10) is in sliding connection with the inner wall of the fifth groove (9).

5. A high stiffness corrugated board according to claim 1, wherein: the inner walls of the fourth groove (8) and the fifth groove (9) are respectively provided with a rubber friction layer at the position close to the end part.

6. A high stiffness corrugated board according to claim 1, wherein: the waterproof wear-resistant layer (11) is made of waterproof light materials, and wear-resistant paint is smeared on the outer wall of the waterproof materials.

7. A high stiffness corrugated board according to claim 1, wherein: the stretch resistant layer (12) is constructed of a rigid lightweight material.

8. A high stiffness corrugated board according to claim 7, wherein: the stiff lightweight material may be fiberglass.

9. A high stiffness corrugated board according to claim 7, wherein: the hard lightweight material may be plastic.