Pressure-resistant packaging carton

Abstract

The utility model discloses a pressure-resistant packaging carton which comprises a packaging carton body, a carton body is arranged on the side face of the packaging carton body, and carton covers which are integrally formed are arranged on the two sides of the carton body. A first waterproof outer layer, a first paperboard, a first reinforcing corrugated plate, a second reinforcing corrugated plate, a second paperboard and a second waterproof outer layer are sequentially arranged on the carton body, connecting strips are arranged at the end portions of the side faces of the carton body in a folded mode, pressure-resistant supporting strips are further clamped to the corners of the inner side of the carton body, and a reinforcing frame is clamped to the inner side of the carton body. According to the pressure-resistant packaging carton, pressure-resistant reinforcing treatment is carried out through the corrugated plate structures clamped to each other on the inner sides of the paperboards, the pressure-resistant supporting strips and the reinforcing frames are arranged on the inner sides of the carton, the carton is shaped and reinforced, and the whole carton is more pressure-resistant.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging cartons, and specifically relates to a packaging carton with pressure resistance. Background Art

[0002] A packaging carton is made of paper products and is a tool for packaging various items. It is divided into single-pit (3 layers) / double-pit (5 layers) / triple-pit (7 layers) / quadruple-pit (9 layers) cartons, and the cartons are further subdivided into various packages such as paper boxes, color boxes, color cartons, and extra-large and oddly shaped beer boxes.

[0003] For the existing packaging carton, the box body cardboard is made into a corrugated structure so that the inner side of the cardboard has a stable triangular structure. However, after the packaging carton is formed, the pressure resistance of the edge of the box body side is insufficient. When the packaging carton is transported, the edge is easily sunken inward when it is subjected to external damages such as impact and compression, causing damage to the products inside the box. Content of the Utility Model

[0004] The purpose of the utility model is to provide a packaging carton with pressure resistance, so as to solve the problem proposed in the above background art that for the existing packaging carton, the box body cardboard is made into a corrugated structure so that the inner side of the cardboard has a stable triangular structure. However, after the packaging carton is formed, the pressure resistance of the edge of the box body side is insufficient. When the packaging carton is transported, the edge is easily sunken inward when it is subjected to external damages such as impact and compression, causing damage to the products inside the box.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A packaging carton with pressure resistance, including a packaging carton main body, a paper box body is arranged on the side of the packaging carton main body, and carton covers integrally formed are arranged on both sides of the paper box body. A first waterproof outer layer, a first cardboard, a first reinforcing corrugated board, a second reinforcing corrugated board, a second cardboard and a second waterproof outer layer are sequentially arranged on the paper box body. A connecting strip is arranged at the end of the side of the paper box body by folding, and a pressure-resistant support strip is also clamped at the inner corner of the carton body, and a reinforcing frame is clamped inside the carton body.

[0006] Preferably, both the connecting strip and the pressure-resistant support strip are made into a triangular structure by folding, the connecting strip and the paper box body are of an integral structure, and fixing grooves are uniformly arranged on the connecting strip.

[0007] Preferably, the length of the pressure-resistant support strip is equal to the length of the connecting strip, and the pressure-resistant support strip is connected to the paper box body by glue.

[0008] Preferably, the first reinforcing corrugated board and the second reinforcing corrugated board are mutually clamped through a corrugated structure.

[0009] Preferably, a support strip integrally formed is arranged inside the reinforcing frame, and the support strip is arranged in an X shape.

[0010] Preferably, the corners of the reinforcing frame are provided with limiting blocks through folding, and the limiting blocks are respectively in contact with the connecting strips and the pressure-resistant support strips.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The pressure-resistant packaging carton is subjected to pressure-resistant reinforcement treatment through the corrugated board structure that is mutually engaged on the inner side of the cardboard, and pressure-resistant support strips and a reinforcing frame are arranged on the inner side of the carton, which play a role in shaping and reinforcing the carton, making the whole carton more pressure-resistant. The pressure-resistant support strips of the pressure-resistant packaging carton are folded into a triangular structure to play a role in stabilizing the corners. At the same time, the connection part on the side of the carton is also set as a triangular structure to play a role in pressure resistance on the edges of the carton. At the same time, the limiting blocks formed by folding on the side of the reinforcing frame can not only avoid the connecting strips and the pressure-resistant support strips, but also make the reinforcing frame more firmly engaged in the carton body through the contact between the limiting blocks and the connecting strips and the pressure-resistant support strips, so as to facilitate the use of the packaging carton. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of a pressure-resistant packaging carton of the present utility model;

[0013] Figure 2 is a pressure-resistant packaging carton of the present utility model Figure 1 an enlarged structural diagram of part A in;

[0014] Figure 3 is a schematic cross-sectional structural diagram of the paper box body of a pressure-resistant packaging carton of the present utility model;

[0015] Figure 4 is a schematic unfolded structural diagram of a pressure-resistant packaging carton of the present utility model;

[0016] Figure 5 is a top view of a pressure-resistant packaging carton of the present utility model;

[0017] Figure 6 is a side view of a pressure-resistant packaging carton of the present utility model.

[0018] In the figure: 1, main body of the packaging carton; 2, connecting strip; 3, carton cover; 4, pressure-resistant support strip; 5, paper box body; 51, first waterproof outer layer; 52, first cardboard; 53, first reinforcing corrugated board; 54, second reinforcing corrugated board; 55, second cardboard; 56, second waterproof outer layer; 6, reinforcing frame; 7, limiting block; 8, support strip; 9, fixing groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-6 , the present invention provides a technical solution: a pressure-resistant packaging carton, including a packaging carton main body 1. A paper box body 5 is provided on the side of the packaging carton main body 1, and carton covers 3 formed integrally are provided on both sides of the paper box body 5. The paper box body 5 is successively provided with a first waterproof outer layer 51, a first cardboard 52, a first reinforcing corrugated board 53, a second reinforcing corrugated board 54, a second cardboard 55, and a second waterproof outer layer 56. The first reinforcing corrugated board 53 and the second reinforcing corrugated board 54 are mutually engaged through a corrugated structure. In this structure, the first reinforcing corrugated board 53 and the second reinforcing corrugated board 54 are formed into a corrugated structure by die pressing, so that the first reinforcing corrugated board 53 and the second reinforcing corrugated board 54 can form a triangular structure through connection with the first cardboard 52 and the second cardboard 55. At the same time, the first reinforcing corrugated board 53 and the second reinforcing corrugated board 54 are more stable through the engagement method, so that each surface of the packaging carton main body 1 is reinforced, making the packaging carton main body 1 pressure-resistant. A connecting strip 2 is provided at the end of the side of the paper box body 5 by folding. Both the connecting strip 2 and the pressure-resistant support strip 4 are formed into a triangular structure by folding. And the connecting strip 2 and the paper box body 5 are of an integral structure. Uniform fixing grooves 9 are provided on the connecting strip 2. In this structure, the connecting strip 2 can reinforce the connection part of the paper box body 5. The fixing grooves 9 can facilitate the fixing of the connecting strip 2 and the paper box body 5 by nails. And a pressure-resistant support strip 4 is also engaged at the inner corner of the paper box body 5. The length of the pressure-resistant support strip 4 is equal to the length of the connecting strip 2. And the pressure-resistant support strip 4 is connected to the paper box body 5 by glue. In this structure, the pressure-resistant support strip 4 also plays a role in supporting and reinforcing the other three corners of the paper box body 5, making the side edges of the packaging carton main body 1 pressure-resistant. And a reinforcing frame 6 is engaged inside the paper box body 5. A support strip 8 formed integrally is provided inside the reinforcing frame 6. And the support strip 8 is arranged in an X shape. In this structure, the support structure formed by the reinforcing frame 6, the support strip 8, and the limiting block 7 can support and reinforce the inside of the paper box body 5, so as to stabilize the forming of the packaging carton main body 1. The limiting block 7 is provided at the corner of the reinforcing frame 6 by folding. And the limiting block 7 is respectively in contact with the connecting strip 2 and the pressure-resistant support strip 4. In this structure, the limiting block 7 is bent, making it easier for the reinforcing frame 6 to be engaged into the paper box body 5. At the same time, the limiting block 7 is in contact with the connecting strip 2 and the pressure-resistant support strip 4, so that the reinforcing frame 6 is fastened, for the subsequent packaging use of the packaging carton main body 1.

[0021] Working principle: When using this pressure-resistant packaging carton, first, the carton body 5 is composed of a first waterproof outer layer 51, a first cardboard 52, a first reinforcing corrugated board 53, a second reinforcing corrugated board 54, a second cardboard 55, and a second waterproof outer layer 56 to form a multi-layer protection structure. The first reinforcing corrugated board 53 and the second reinforcing corrugated board 54 are engaged to make the carton body 5 more firmly form a triangular structure with the first cardboard 52 and the second cardboard 55, playing a role in pressure resistance and reinforcement on each side of the packaging carton main body 1. After the carton body 5 is formed by cutting and processing, the connecting strip 2 on the side of the carton body 5 is folded to form a triangular structure, and then the other side of the carton body 5 and the connecting strip 2 are fixed with nails at the fixing groove 9. Then, the carton covers 3 on both sides of the carton body 5 are folded respectively, and the carton cover 3 at the bottom is sealed with tape. Then, the pressure-resistant support strips 4 are adhered to the other triangular corners inside the carton body 5, so that the carton body 5 is subjected to pressure resistance treatment on the edges through the connecting strip 2 and the pressure-resistant support strips 4. Then, the reinforcing frame 6 is inserted into the carton body 5, and the reinforcing frame 6 is reinforced by the support strip 8. The limiting blocks 7 formed by folding of the reinforcing frame 6 are fastened relative to the carton body 5, realizing the shaping and reinforcement treatment of the carton body 5 by the reinforcing frame 6. When the carton body 5 is completed with the box structure, it is packaged through the packaging carton main body 1, and finally the carton cover 3 at the upper end of the packaging carton main body 1 is fixed with tape, thus completing a series of work.

[0022] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A pressure-resistant packaging carton, comprising a packaging carton body (1), characterized in that: The side of the packaging carton body (1) is provided with a paper carton body (5), and carton covers (3) integrally formed are provided on both sides of the paper carton body (5). The paper carton body (5) is successively provided with a first waterproof outer layer (51), a first cardboard (52), a first reinforcing corrugated board (53), a second reinforcing corrugated board (54), a second cardboard (55), and a second waterproof outer layer (56). A connecting strip (2) is provided at the end of the side of the paper carton body (5) by folding, and a pressure-resistant support strip (4) is also clamped at the inner corner of the paper carton body (5), and a reinforcing frame (6) is clamped inside the paper carton body (5).

2. The pressure-resistant packaging carton according to claim 1, wherein: Both the connecting strip (2) and the pressure-resistant support strip (4) are made into a triangular structure by folding, and the connecting strip (2) and the paper carton body (5) are of an integral structure, and fixing grooves (9) are uniformly provided on the connecting strip (2).

3. A pressure-resistant packaging carton according to claim 1, characterized in that: The length of the pressure-resistant support strip (4) is equal to the length of the connecting strip (2), and the pressure-resistant support strip (4) is connected to the paper carton body (5) by adhesive.

4. A pressure-resistant packaging carton according to claim 1, wherein: The first reinforcing corrugated board (53) and the second reinforcing corrugated board (54) are mutually clamped through a corrugated structure.

5. A pressure-resistant packaging carton according to claim 1, characterized in that: A support strip (8) integrally formed is provided inside the reinforcing frame (6), and the support strip (8) is arranged in an X shape.

6. The pressure-resistant packaging carton according to claim 1, wherein: A limiting block (7) is provided at the corner of the reinforcing frame (6) by folding, and the limiting block (7) is respectively in contact with the connecting strip (2) and the pressure-resistant support strip (4).

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