High-hardness carton board with sandwich structure

Abstract

The utility model belongs to the technical field of carton boards, and particularly relates to a high-hardness carton board with a sandwich structure, which comprises an inner paper sheet, an outer paper sheet and a supporting sheet, a first supporting clamping sheet is fixedly connected between the outer paper sheet and the supporting sheet, a first supporting column is fixedly connected between the first supporting clamping sheet and the supporting sheet, and a second supporting column is fixedly connected between the first supporting clamping sheet and the supporting sheet. A second supporting column is fixedly connected between the first supporting clamping piece and the outer paper piece. Through the arrangement of the structures such as the outer paper sheet, the inner paper sheet, the first supporting clamping piece and the third supporting column, the carton board has good hardness, under the action of the structures such as the first supporting clamping piece and the second supporting clamping piece, the carton board can have good impact resistance, through the arrangement of the connecting blocks, the connecting firmness of the puncture-resistant layer can be guaranteed, and the service life of the carton board is prolonged. Under the action of the puncture-resistant layer, the puncture-resistant effect of the carton board can be guaranteed, and the carton board has a good waterproof effect by being matched with the arrangement of the impermeable layer and the waterproof layer.

Description

Technical Field

[0001] The utility model relates to the technical field of carton boards, in particular to a high-hardness carton board with a sandwich structure. Background Art

[0002] As is well known, a carton board, also known as a carton core or an inner carton core, is an important material for making cartons. Carton boards are usually made of compressed paperboards or corrugated paperboards, having a certain hardness and strength, and can provide support and protection for cartons.

[0003] In the utility model patent with the patent authorization announcement number CN209634867U, a paperboard and a carton are disclosed. The paperboard includes a bottom board, a front side board, a rear side board, a hand hole reinforcement board, a left hand hole board and a right hand hole board provided with a hand hole; the front side board and the rear side board are connected to two opposite sides of the bottom board, and the left hand hole board and the right hand hole board are connected to the other two opposite sides of the bottom board; the hand hole reinforcement board includes a first reinforcement board and a second reinforcement board connected to each other, and a perforation is provided between the two; the four hand hole reinforcement boards are respectively connected to two opposite sides of the front side board and two opposite sides of the rear side board through their first reinforcement boards, and a separation gap is provided between the hand hole reinforcement board and the left hand hole board and between the hand hole reinforcement board and the right hand hole board.

[0004] However, the existing carton boards also have certain deficiencies. The existing carton boards are mostly simply processed and produced using materials such as corrugated paper, cardboard, and composite cardboard. Due to the influence of the material properties, problems such as poor hardness and waterproof effect of the carton boards are likely to occur. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-hardness carton board with a sandwich structure, which solves the problems that the existing carton boards are mostly simply processed and produced using materials such as corrugated paper, cardboard, and composite cardboard, and due to the influence of the material properties, problems such as poor hardness and waterproof effect of the carton boards are likely to occur.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a high-hardness carton board with a sandwich structure, including an inner paper sheet, an outer paper sheet and a support sheet. A first support clip is fixedly connected between the outer paper sheet and the support sheet. A first support column is fixedly connected between the first support clip and the support sheet. A second support column is fixedly connected between the first support clip and the outer paper sheet.

[0007] A second support clip is fixedly connected between the inner paper sheet and the support sheet. A third support column is fixedly connected between the second support clip and the support sheet. A fourth support column is fixedly connected between the second support clip and the inner paper sheet. A puncture-resistant layer is fixedly connected to the upper end of the outer paper sheet. An anti-seepage layer is fixedly connected to the upper end of the puncture-resistant layer. A waterproof layer is fixedly connected to the upper end of the anti-seepage layer.

[0008] Preferably, a plurality of the first support columns are provided, and a plurality of the second support columns are provided. The plurality of the first support columns are evenly distributed on the first support clip, and the plurality of the second support columns are evenly distributed on the first support clip. By using the first support clip, the first support columns and the second support columns in cooperation, the structural hardness of the carton board can be improved.

[0009] Preferably, a plurality of the third support columns are provided, and a plurality of the fourth support columns are provided. The plurality of the third support columns are evenly distributed on the second support clip, and the plurality of the fourth support columns are evenly distributed on the second support clip. By using the second support clip, the third support columns and the fourth support columns in cooperation, the structural hardness of the carton board can be improved.

[0010] Preferably, a plurality of evenly distributed connecting blocks are fixedly connected to the lower end of the puncture-resistant layer, and each of the connecting blocks is fixedly connected to the outer paper sheet. By providing the connecting blocks, the connection strength of the puncture-resistant layer can be improved.

[0011] Preferably, the puncture-resistant layer is made of fiberglass material, and the thickness of the puncture-resistant layer is 2 mm. By providing the fiberglass material, the puncture-resistant layer has good puncture resistance.

[0012] Preferably, the anti-seepage layer is made of LDPE film material, and the thickness of the anti-seepage layer is 2 mm. By providing the LDPE film material, the anti-seepage layer has good anti-seepage effect.

[0013] Preferably, the waterproof layer is made of waterproof tape material, and the thickness of the waterproof layer is 2 mm. By providing the waterproof tape material, the waterproof layer has good waterproof effect.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. By providing structures such as the outer paper sheet, the inner paper sheet, the first support clip, and the third support columns, the carton board of the present utility model has good hardness, and under the action of structures such as the first support clip and the second support clip, the carton board also has good impact resistance.

[0016] 2. By providing the connecting blocks, the connection firmness of the puncture-resistant layer can be ensured. Under the action of the puncture-resistant layer, the puncture resistance of the carton board can be ensured, and in cooperation with the settings of the anti-seepage layer and the waterproof layer, the carton board has good waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0018] Figure 2 is the Figure 1 front elevation sectional view of the present utility model;

[0019] Figure 3 is a partial perspective view of the present utility model Figure 1 ;

[0020] Figure 4 is an enlarged view of part A of the present utility model Figure 2 ;

[0021] In the figure: 1, inner paper sheet; 2, outer paper sheet; 3, support sheet; 4, first support clip; 41, first support column; 5, second support column; 6, second support clip; 61, third support column; 7, fourth support column; 8, puncture-resistant layer; 9, connecting block; 10, anti-seepage layer; 11, waterproof layer. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , a high-hardness carton board with a sandwich structure, including an inner paper sheet 1, an outer paper sheet 2 and a support sheet 3. A first support clip 4 is fixedly connected between the outer paper sheet 2 and the support sheet 3. A first support column 41 is fixedly connected between the first support clip 4 and the support sheet 3. A second support column 5 is fixedly connected between the first support clip 4 and the outer paper sheet 2;

[0024] A second support clip 6 is fixedly connected between the inner paper sheet 1 and the support sheet 3. A third support column 61 is fixedly connected between the second support clip 6 and the support sheet 3. A fourth support column 7 is fixedly connected between the second support clip 6 and the inner paper sheet 1. A puncture-resistant layer 8 is fixedly connected to the upper end of the outer paper sheet 2. A plurality of uniformly distributed connecting blocks 9 are fixedly connected to the lower end of the puncture-resistant layer 8. Each connecting block 9 is fixedly connected to the outer paper sheet 2. Through the arrangement of the connecting blocks 9, the connection strength of the puncture-resistant layer 8 can be improved. An anti-seepage layer 10 is fixedly connected to the upper end of the puncture-resistant layer 8. A waterproof layer 11 is fixedly connected to the upper end of the anti-seepage layer 10.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3, there are multiple support columns 1, and there are multiple support columns 2. The multiple support columns 1 are evenly distributed on the support clip 1, and the multiple support columns 2 are evenly distributed on the support clip 1. By using the support clip 1, support columns 1, and support columns 2 in cooperation, the structural hardness of the cardboard can be improved.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , there are multiple support columns 3, and there are multiple support columns 4. The multiple support columns 3 are evenly distributed on the support clip 2, and the multiple support columns 4 are evenly distributed on the support clip 2. By using the support clip 2, support columns 3, and support columns 4 in cooperation, the structural hardness of the cardboard can be improved.

[0027] Please refer to Figure 1 , Figure 2 , Figure 4 , the puncture-resistant layer 8 is made of fiberglass, and the thickness of the puncture-resistant layer 8 is 2 mm. By setting the fiberglass material, the puncture-resistant layer 8 has good puncture resistance. The anti-seepage layer 10 is made of LDPE film material, and the thickness of the anti-seepage layer 10 is 2 mm. By setting the LDPE film material, the anti-seepage layer 10 has good anti-seepage effect. The waterproof layer 11 is made of waterproof tape material, and the thickness of the waterproof layer 11 is 2 mm. By setting the waterproof tape material, the waterproof layer 11 has good waterproof effect.

[0028] The specific implementation process of the present utility model is as follows: When in use, through the settings of the outer paper sheet 2, inner paper sheet 1, support sheet 3, support clip 1, support clip 2, etc., the cardboard can have a complete integrity and good hardness, and under the action of the support clip 1, support clip 2, support columns 1, support columns 2, support columns 3, and support columns 4, the cardboard has good hardness and impact resistance. Through the setting of the connecting block 9, the firm connection of the puncture-resistant layer 8 can be ensured. Under the action of the puncture-resistant layer 8, the puncture resistance of the cardboard can be ensured, and in cooperation with the settings of the anti-seepage layer 10 and the waterproof layer 11, the cardboard has good waterproof effect.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A high-hardness carton board with a sandwich structure, comprising an inner paper sheet (1), an outer paper sheet (2) and a support sheet (3), characterized in that: A first support clip (4) is fixedly connected between the outer paper sheet (2) and the support sheet (3). A first support column (41) is fixedly connected between the first support clip (4) and the support sheet (3). A second support column (5) is fixedly connected between the first support clip (4) and the outer paper sheet (2). A second support clip (6) is fixedly connected between the inner paper sheet (1) and the support sheet (3). A third support column (61) is fixedly connected between the second support clip (6) and the support sheet (3). A fourth support column (7) is fixedly connected between the second support clip (6) and the inner paper sheet (1). A puncture-resistant layer (8) is fixedly connected to the upper end of the outer paper sheet (2). An anti-seepage layer (10) is fixedly connected to the upper end of the puncture-resistant layer (8). A waterproof layer (11) is fixedly connected to the upper end of the anti-seepage layer (10).

2. The high-hardness carton board with a sandwich structure according to claim 1, characterized in that: A plurality of the first support columns (41) are provided. A plurality of the second support columns (5) are provided. The plurality of the first support columns (41) are evenly distributed on the first support clip (4). The plurality of the second support columns (5) are evenly distributed on the first support clip (4).

3. A high-hardness carton board with a sandwich structure according to claim 1, characterized in that: A plurality of the third support columns (61) are provided. A plurality of the fourth support columns (7) are provided. The plurality of the third support columns (61) are evenly distributed on the second support clip (6). The plurality of the fourth support columns (7) are evenly distributed on the second support clip (6).

4. A high-hardness carton board with a sandwich structure according to claim 1, characterized in that: A plurality of evenly distributed connecting blocks (9) are fixedly connected to the lower end of the puncture-resistant layer (8). Each of the connecting blocks (9) is fixedly connected to the outer paper sheet (2).

5. A high-hardness carton board with a sandwich structure according to claim 1, characterized in that: The puncture-resistant layer (8) is made of fiberglass material. The thickness of the puncture-resistant layer (8) is 2 mm.

6. The high-hardness carton board with a sandwich structure according to claim 1, characterized in that: The anti-seepage layer (10) is made of LDPE film material. The thickness of the anti-seepage layer (10) is 2 mm.

7. A high-hardness carton board with a sandwich structure according to claim 1, characterized in that: The waterproof layer (11) is made of waterproof tape material. The thickness of the waterproof layer (11) is 2 mm.

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