CN216360139U

CN216360139U - Compound high strength hard board

Info

Publication number: CN216360139U
Application number: CN202122966775.2U
Authority: CN
Inventors: 黄江雨
Original assignee: Liuzhou Shangteng Packaging Material Co ltd
Current assignee: Liuzhou Shangteng Packaging Material Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-22
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of hardboards, and discloses a composite high-strength hardboard which comprises two paperboards, wherein each paperboard comprises an outer paper layer and an inner paper layer, a sandwich paper layer is arranged between the two paperboards, a cylindrical paper core is arranged on one side, close to the sandwich paper layer, of the inner paper layer, a supporting mechanism is arranged inside the cylindrical paper core, the supporting mechanism comprises a round rod, and a supporting plate is fixedly arranged on the side surface of the round rod. This compound high strength hardboard through the outer paper layer, interior paper layer, sandwich paper layer, drum refill, mutually supporting between round bar and the backup pad, can protect the drum refill, reduces the drum refill and appears out of shape the condition, and can support the sandwich paper layer through the drum refill to avoid the distance between outer paper layer and the interior paper layer to diminish, and then improved the device's intensity, make it be difficult for appearing the bending deformation condition, make the difficult emergence of its thickness change.

Description

Compound high strength hard board

Technical Field

The utility model relates to the technical field of hardboards, in particular to a composite high-strength hardboard.

Background

The carton can be used for gift packaging or tube article keeping, and the carton needs to be spliced through a plurality of hardboards to the rear side, but the existing hardboards are not strong enough, when a heavier object is packaged, the deformation of the hardboards is easy to occur due to stress, and the durability is poor, so that a composite high-strength hardboard needs to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a composite high-strength hard board which has the advantages of higher strength, good supporting effect, difficulty in occurrence of compression deformation and the like, and solves the problems that the strength of the hard board is not enough, the hard board is easy to deform under stress when a heavier object is packaged, and the durability is poor.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a compound high strength cardboard, includes two cardboards, two the cardboard all includes outer paper layer and interior paper layer, two be provided with the sandwich paper layer between the cardboard, one side that interior paper layer is close to the sandwich paper layer is provided with the drum refill, the inside of drum refill is provided with supporting mechanism, supporting mechanism includes the round bar, the fixed backup pad that is provided with in side surface of round bar.

Preferably, one side of the outer paper layer, which is far away from the inner paper layer, is provided with an outer protective film, the outer protective film is bonded on the side surface of the outer paper layer, the outer paper layer can be protected through the outer protective film, and the moisture condition of the outer paper layer is reduced.

Preferably, the sandwich paper layer is set to be wavy, the top of the sandwich paper layer is bonded with the bottom of the upper inner paper layer, and the bottom of the sandwich paper layer is bonded with the top of the lower inner paper layer, so that the sandwich paper layer can be fixed between the two paper boards, and the buffering performance of the device can be improved through the sandwich paper layer.

Preferably, the cylindrical paper core is positioned between the inner paper layer and the sandwich paper layer, and the side surface of the cylindrical paper core is bonded with the opposite side of the inner paper layer and the sandwich paper layer, so that the supporting effect on the sandwich paper layer can be achieved, and the stress deformation condition of the sandwich paper layer is reduced.

Preferably, the circle center of the round rod is the same as the circle center of the cylindrical paper core, and one side, away from the round rod, of the supporting plate is bonded with the inner side wall of the cylindrical paper core, so that the cylindrical paper core can be protected, and the stress deformation condition of the cylindrical paper core is reduced.

Compared with the prior art, the utility model provides a composite high-strength hardboard, which has the following beneficial effects:

1. this compound high strength hardboard through the outer paper layer, interior paper layer, sandwich paper layer, drum refill, mutually supporting between round bar and the backup pad, can protect the drum refill, reduces the drum refill and appears out of shape the condition, and can support the sandwich paper layer through the drum refill to avoid the distance between outer paper layer and the interior paper layer to diminish, and then improved the device's intensity, make it be difficult for appearing the bending deformation condition, make the difficult emergence of its thickness change.

2. This compound high strength hardboard through set up the outer protecting film on the side surface of outer paper layer, and then can come to protect outer paper layer through the outer protecting film to can block outside steam, reduce the condition of weing of outer paper layer, improve the device's life.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention.

Wherein: 1. an outer paper layer; 2. an inner paper layer; 3. a sandwich paper layer; 4. a cylindrical paper core; 5. a round bar; 6. a support plate; 7. an outer protective film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a composite high-strength cardboard comprises two cardboard sheets, wherein each cardboard sheet comprises an outer paper layer 1 and an inner paper layer 2, the outer paper layer 1, the inner paper layer 2 and a supporting plate 6 are all made of gray cardboard, and the opposite sides of the outer paper layer 1 and the inner paper layer 2 are fixed to each other, so that the strength effect of the cardboard sheets can be improved, and the cardboard sheets are not easy to be bent or deformed, a sandwich paper layer 3 is arranged between the two cardboard sheets, the sandwich paper layer 3 is made of a corrugated composite board, the corrugated composite board has the advantages of light weight, high strength, no deformation, good rigidity, strong buffering performance, good sound insulation and heat insulation effects, the sandwich paper layer 3 is set in a wavy shape, the top of the sandwich paper layer 3 is bonded with the bottom of the upper inner paper layer 2, the bottom of the sandwich paper layer 3 is bonded with the top of the lower inner paper layer 2, and the upper and lower cardboard sheets can be fixed through the sandwich paper layer 3, and then make the device have certain thickness, thereby be difficult for buckling, one side that interior paper layer 2 is close to sandwich paper layer 3 is provided with drum refill 4, the quantity of drum refill 4 is a plurality of, and every drum refill 4 corresponds every wave on the sandwich paper layer 3 respectively, drum refill 4 is located between interior paper layer 2 and the sandwich paper layer 3, the side surface and the interior paper layer 2 of drum refill 4 bond with the relative one side of sandwich paper layer 3, thereby can fix drum refill 4 between interior paper layer 2 and sandwich paper layer 3, the realization is supported sandwich paper layer 3, reduce sandwich paper layer 3 atress and the compressive deformation condition appears, keep sandwich paper layer 3's height, thereby avoid the distance between two cardboards to appear shortening the condition.

The supporting mechanism is arranged inside the cylindrical paper core 4 and comprises a round rod 5, the round rod 5 is formed by rolling paper, the round rod 5 is in a solid state, the round rod 5 is not easy to generate a compression deformation condition, supporting plates 6 are fixedly arranged on the side surfaces of the round rod 5, six supporting plates 6 are fixedly connected to the side surfaces of each round rod 5, the six supporting plates 6 are uniformly distributed on the side surfaces of the round rod 5, the circle center of the round rod 5 is the same as the circle center of the cylindrical paper core 4, one side, far away from the round rod 5, of each supporting plate 6 is bonded with the inner side wall of the cylindrical paper core 4, under the action of the six supporting plates 6, the round rod 5 can be prevented from offsetting, the cylindrical paper core 4 can be supported and protected, inward shrinkage deformation of the cylindrical paper core 4 is reduced, the cylindrical paper core 4 can be kept circular, and further the supporting effect on the sandwich paper layer 3 can be improved, and can improve the device's life, the one side that interior paper layer 2 was kept away from to outer paper layer 1 is provided with outer protecting film 7, outer protecting film 7 adopts the plastic film material, outer protecting film 7 bonds on the side surface of outer paper layer 1, through covering outer protecting film 7 on the side surface of outer paper layer 1, alright protect outer paper layer 1 with the realization, thereby can reduce outer paper layer 1 surface wearing and tearing deformation that appears, can carry out the separation to the aqueous vapor simultaneously, reduce outer paper layer 1 the condition of weing, thereby the device's result of use has been improved.

When using, realize supporting fixedly the cardboard of the above-mentioned through sandwich paper layer 3, and support the inside wall of drum refill 4 through six backup pads 6 on round bar 5 and the 5 side surfaces of round bar, reduce the extrusion deformation condition appears in drum refill 4 atress, keep the circular effect of drum refill 4, thereby can come to carry out spacing support to sandwich paper layer 3 through drum refill 4, and the inside of 3 each waves of sandwich paper layer all is equipped with a drum refill 4, thereby can improve sandwich paper layer 3's support intensity, make the difficult compression deformation condition that appears between two cardboards, make the distance between two cardboards obtain keeping, and then make the difficult attenuation of the device, and improved the intensity effect of the device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A composite high strength cardboard comprising two sheets of paperboard, characterized in that: two the cardboard all includes outer paper layer (1) and interior paper layer (2), two be provided with sandwich paper layer (3) between the cardboard, one side that interior paper layer (2) are close to sandwich paper layer (3) is provided with drum refill (4), the inside of drum refill (4) is provided with supporting mechanism, supporting mechanism includes round bar (5), the fixed backup pad (6) that is provided with in side surface of round bar (5).

2. The composite high strength cardboard of claim 1, wherein: one side of the outer paper layer (1) far away from the inner paper layer (2) is provided with an outer protective film (7), and the outer protective film (7) is bonded on the side surface of the outer paper layer (1).

3. The composite high strength cardboard of claim 1, wherein: the sandwich paper layer (3) is set to be wavy, the top of the sandwich paper layer (3) is bonded with the bottom of the upper inner paper layer (2), and the bottom of the sandwich paper layer (3) is bonded with the top of the lower inner paper layer (2).

4. The composite high strength cardboard of claim 1, wherein: the cylindrical paper core (4) is positioned between the inner paper layer (2) and the sandwich paper layer (3), and the side surface of the cylindrical paper core (4) is bonded with the opposite side of the inner paper layer (2) and the sandwich paper layer (3).

5. The composite high strength cardboard of claim 1, wherein: the circle center of the round rod (5) is the same as the circle center of the cylindrical paper core (4), and one side, far away from the round rod (5), of the supporting plate (6) is bonded with the inner side wall of the cylindrical paper core (4).