Composite high-strength corrugated paper

Abstract

The utility model discloses composite type high-strength corrugated paper which comprises an upper paper board, a reinforcing supporting frame, a first supporting side board, a middle paper board, a second supporting side board and a lower paper board, and the upper paper board, the lower paper board and the middle paper board are supported and reinforced through the first supporting side board and the second supporting side board. The outer side of the upper paperboard and the outer side of the lower paperboard are each provided with a core board base layer, the outer side of each core board base layer is provided with a tough cushion layer, the outer side of each tough cushion layer is provided with a tear-resistant layer, the first supporting side plate and the second supporting side plate are symmetrically arranged, and the reinforcing supporting frame is arranged between the first supporting side plate and the second supporting side plate. The corrugated paper is formed by combining and assembling the upper paperboard, the lower paperboard and the middle paperboard, the core board base layer, the tough cushion layer and the tear-resistant layer are arranged on the outer layer of the upper paperboard and the outer layer of the lower paperboard, the corrugated paper has the multifunctional protection capacity through the core board base layer, and the anti-pressure capacity of the corrugated paper is improved through the tough cushion layer; and the corrugated paper has high tear resistance through the tear-resistant layer.

Description

Technical Field

[0001] The utility model relates to the field of corrugated paper, and specifically relates to a composite high-strength corrugated paper. Background Technique

[0002] Corrugated paper, also known as kraft paper or paperboard, is a common material used for paper packaging boxes. It is lighter in weight than wooden boxes, has hardness, and is easy to cut in size. It is used to protect other products being packaged from damage. Corrugated paper can be printed with different colored patterns and text on the outside or written with text symbols, and the cost is relatively cheap. It is afraid of water immersion, moisture, mildew, getting into water, being hooked by hand, etc. Sometimes it is also used as a handicraft material;

[0003] For example, the authorized patent (composite high-strength corrugated board) with the publication number CN216708573U: includes a corrugated board main body, a kraft bottom layer is arranged at the bottom of the corrugated board main body, a corrugated core layer is adhesively connected to the top of the kraft bottom layer, moisture-proof cylinders are arranged in a plurality of cavities on the corrugated core layer, and a plurality of air holes are respectively and evenly formed on the outer surface of each moisture-proof cylinder. A reinforcing layer is arranged at the top of the corrugated core layer away from the kraft bottom layer. This composite high-strength corrugated board increases the moisture-proof property of the corrugated board main body and improves the service life of the corrugated board main body by using moisture-proof cylinders, air holes, and moisture-proof particles in the cavities of the corrugated core layer. By using a buffer layer and using circular corrugated paper tubes inside the buffer layer, the compressive resistance of the corrugated board main body is increased, and the impact force from the outside on the corrugated board main body is effectively reduced;

[0004] The above-mentioned existing corrugated paper has a single structure, insufficient support and protection strength, insufficient internal buffering and compressive resistance, is easy to deform, has insufficient tear resistance, is easy to damage, and the protection strength of the corrugated paper itself is not high, has a short service life, and has insufficient anti-extrusion strength. Content of the Utility Model

[0005] The purpose of the utility model is to provide a composite high-strength corrugated paper to solve the problems of single structure, insufficient support and protection strength, insufficient internal buffering and compressive resistance, easy deformation, insufficient tear resistance, easy damage, low protection strength of the corrugated paper itself, short service life, and insufficient anti-extrusion strength mentioned in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solution: A composite high-strength corrugated paper, comprising an upper cardboard, a reinforcing support frame, a first support side plate, a middle cardboard, a second support side plate and a lower cardboard. The upper cardboard, the lower cardboard and the middle cardboard are supported and reinforced by the first support side plate and the second support side plate. Core board bases are provided on the outer sides of the upper cardboard and the lower cardboard. A toughness cushion layer is provided on the outer side of the core board base. A tear-resistant layer is provided on the outer side of the toughness cushion layer. The first support side plate and the second support side plate are symmetrically arranged. The reinforcing support frame is arranged between the first support side plate and the second support side plate.

[0007] In a further embodiment, the reinforcing support frame includes connecting side plates and inflatable buffer rods. The connecting side plates are arranged on both sides of the reinforcing support frame. A plurality of plugs are provided on the top of the connecting side plates. The inflatable buffer rods are arranged between two reinforcing support frames.

[0008] In a further embodiment, a plurality of locking holes are provided on both the first support side plate and the second support side plate. The connecting side plate is tightly fixed to the locking hole through the plug.

[0009] In a further embodiment, a plug board is provided at the bottom of the reinforcing support frame, and the plug board is inlaid and assembled with the upper cardboard, the lower cardboard and the middle cardboard. A plug is provided at the end of the reinforcing support frame.

[0010] In a further embodiment, it further includes an anti-deformation thickened edge. A plurality of air vents are provided on the side of the anti-deformation thickened edge. The anti-deformation thickened edge is sleeved on the sides of the upper cardboard and the lower cardboard.

[0011] In a further embodiment, compression-resistant cushion heads are provided at both ends of the inflatable buffer rod, and the compression-resistant cushion heads are tightly fixed to the mounting ears in the middle of the reinforcing support frame through connecting heads.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. The utility model is composed of a composite assembly of an upper cardboard, a lower cardboard and a middle cardboard, and a core board base, a toughness cushion layer and a tear-resistant layer are provided on the outer layers of the upper cardboard and the lower cardboard. The corrugated paper has multifunctional protection ability through the core board base, the compressive ability of the corrugated paper is improved through the toughness cushion layer, and the corrugated paper has strong tear-resistant ability through the tear-resistant layer, which can improve its service life.

[0014] 2. Anti-deformation thickened edges are provided on the sides of the upper cardboard and the lower cardboard of the utility model, which can provide anti-impact protection and increase the safety of the corrugated paper. First support side plates and second support side plates are provided between the upper cardboard, the lower cardboard and the middle cardboard, and strengthening support frames are provided between the first support side plates and the second support side plates. The support strength of the first support side plates and the second support side plates can be improved through the strengthening support frames, and an inflatable buffer rod is provided in the middle of the strengthening support frames. The strengthening support frames are made to have anti-extrusion protection ability through the inflatable buffer rod, increasing their service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural view of a composite high-strength corrugated paper of the utility model;

[0016] Figure 2 is a top view of the utility model;

[0017] Figure 3 is a side view of the utility model;

[0018] Figure 4 is a schematic structural view of the strengthening support frame of the utility model;

[0019] Figure 5 is a front view of the strengthening support frame of the utility model;

[0020] Figure 6 is a top view of the strengthening support frame of the utility model;

[0021] Figure 7 is a schematic structural view of part A of the utility model;

[0022] Figure 8 is a schematic structural view of part B of the utility model.

[0023] In the figure: 1, tear-resistant layer; 2, toughness cushion layer; 3, upper cardboard; 4, anti-deformation thickened edge; 5, core board base layer; 6, strengthening support frame; 7, first support side plate; 8, middle cardboard; 9, second support side plate; 10, lower cardboard; 11, plug; 12, connecting side plate; 13, plug; 14, inflatable buffer rod; 15, lock hole; 16, air vent. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all of the embodiments.

[0025] Please refer to Figure 1-8, An embodiment provided by the present utility model: A composite high-strength corrugated paper, which includes an upper cardboard 3, a reinforcing support frame 6, a first support side plate 7, a middle cardboard 8, a second support side plate 9, and a lower cardboard 10. The upper cardboard 3, the lower cardboard 10, and the middle cardboard 8 are supported and reinforced by the first support side plate 7 and the second support side plate 9. Core board bases 5 are provided on the outer sides of both the upper cardboard 3 and the lower cardboard 10. A toughness cushion layer 2 is provided on the outer side of the core board base 5, and a tear-resistant layer 1 is provided on the outer side of the toughness cushion layer 2. The first support side plate 7 and the second support side plate 9 are symmetrically arranged, and the reinforcing support frame 6 is arranged between the first support side plate 7 and the second support side plate 9.

[0026] The upper cardboard 3, the lower cardboard 10, and the middle cardboard 8 are supported and reinforced by the first support side plate 7 and the second support side plate 9. The core board base 5 serves as the main support core of the upper cardboard 3, the lower cardboard 10, and the middle cardboard 8 and has the main protection function of the cardboard. The upper cardboard 3, the lower cardboard 10, and the middle cardboard 8 have toughness and tear resistance through the toughness cushion layer 2 and the tear-resistant layer 1. The support of the first support side plate 7 and the second support side plate 9 is reinforced by the reinforcing support frame 6.

[0027] Furthermore, the reinforcing support frame 6 includes connecting side plates 12 and inflatable buffer rods 14. The connecting side plates 12 are arranged on both sides of the reinforcing support frame 6. Multiple plugs 13 are provided at the tops of the connecting side plates 12. The inflatable buffer rods 14 are arranged between two reinforcing support frames 6. The reinforcing support frame 6 has strong anti-extrusion ability on the side through the inflatable buffer rods 14. It is convenient to lock and fix with multiple lock holes 15 through multiple plugs 13.

[0028] Furthermore, multiple lock holes 15 are provided on both the first support side plate 7 and the second support side plate 9. The connecting side plate 12 is locked and fixed with the lock holes 15 through the plugs 13.

[0029] Furthermore, the bottom of the reinforcing support frame 6 is provided with an insertion plate, and the insertion plate is inlaid and assembled with the upper cardboard 3, the lower cardboard 10, and the middle cardboard 8. A plug 11 is provided at the end of the reinforcing support frame 6. It is convenient to install the reinforcing support frame 6 with the upper cardboard 3, the lower cardboard 10, and the middle cardboard 8 through the insertion plate.

[0030] Furthermore, it further includes an anti-deformation thickened edge 4. Multiple ventilation openings 16 are provided on the side of the anti-deformation thickened edge 4. The anti-deformation thickened edge 4 is sleeved on the sides of the upper cardboard 3 and the lower cardboard 10. The anti-deformation thickened edge 4 has ventilation ability through multiple ventilation openings 16. The sides of the upper cardboard 3, the lower cardboard 10, and the middle cardboard 8 can be protected against deformation and impact through the anti-deformation thickened edge 4.

[0031] Furthermore, compression-resistant cushion heads are provided at both ends of the inflatable buffer rod 14, and the compression-resistant cushion heads are locked and fixed with the mounting ears in the middle of the reinforcing support frame 6 through connecting heads. It is convenient to install the inflatable buffer rod 14 through the compression-resistant cushion heads.

[0032] Working principle: When in use, the reinforced support frame 6 is locked and fixed to the keyholes 15 on the first support side plate 7 and the second support side plate 9 through the plugs 13 at the ends of the connecting side plates 12 on both sides. The reinforced support frame 6 is inlaid and assembled with the upper cardboard 3, the middle cardboard 8 and the lower cardboard 10. The first support side plate 7 and the second support side plate 9 are reinforced and supported by the reinforced support frame 6. The upper cardboard 3, the middle cardboard 8 and the lower cardboard 10 are supported and reinforced between the first support side plate 7, the second support side plate 9 and the reinforced support frame 6. The reinforced support frame 6 can be protected against compression and buffering through the inflatable buffer rod 14, so that the anti-extrusion ability of the corrugated paper in the lateral direction can be improved. The upper cardboard 3, the middle cardboard 8 and the lower cardboard 10 have different functions through the core board base layer 5. The upper cardboard 3, the middle cardboard 8 and the lower cardboard 10 have toughness and tear resistance through the toughness cushion layer 2 and the tear-resistant layer 1. The side of the corrugated paper can be protected against impact through the anti-deformation thickened edge 4. The corrugated paper has strong air permeability through the air vent 16.

[0033] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A composite high-strength corrugated paper, comprising an upper cardboard (3), a reinforcing support frame (6), a first support side plate (7), a middle cardboard (8), a second support side plate (9) and a lower cardboard (10), characterized in that: The upper cardboard (3), the lower cardboard (10) and the middle cardboard (8) are supported and reinforced by the first support side plate (7) and the second support side plate (9). Core board bases (5) are arranged on the outer sides of the upper cardboard (3) and the lower cardboard (10). A toughness cushion layer (2) is arranged on the outer side of the core board base (5). A tear-resistant layer (1) is arranged on the outer side of the toughness cushion layer (2). The first support side plate (7) and the second support side plate (9) are symmetrically arranged. The strengthening support frame (6) is arranged between the first support side plate (7) and the second support side plate (9).

2. The composite high-strength corrugated paper according to claim 1, characterized in that: The strengthening support frame (6) includes connecting side plates (12) and inflatable buffer rods (14). The connecting side plates (12) are arranged on both sides of the strengthening support frame (6). A plurality of plugs (13) are arranged at the tops of the connecting side plates (12). The inflatable buffer rods (14) are arranged between two strengthening support frames (6).

3. The composite high-strength corrugated paper according to claim 2, characterized in that: A plurality of lock holes (15) are arranged on both the first support side plate (7) and the second support side plate (9). The connecting side plates (12) are locked and fixed to the lock holes (15) through the plugs (13).

4. A composite high-strength corrugated paper according to claim 1, characterized in that: The bottom of the strengthening support frame (6) is provided with a plug board, and the plug board is inlaid and assembled with the upper cardboard (3), the lower cardboard (10) and the middle cardboard (8). The end of the strengthening support frame (6) is provided with a plug (11).

5. A composite high-strength corrugated paper according to claim 1, characterized in that: It further includes a deformation-proof thickened edge (4). A plurality of air vents (16) are arranged on the side of the deformation-proof thickened edge (4). The deformation-proof thickened edge (4) is sleeved on the sides of the upper cardboard (3) and the lower cardboard (10).

6. The composite high-strength corrugated paper according to claim 2, wherein: Both ends of the inflatable buffer rod (14) are provided with compression-resistant cushion heads, and the compression-resistant cushion heads are locked and fixed to the mounting ears in the middle of the strengthening support frame (6) through connectors.

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