Environment-friendly packaging carton

Abstract

The utility model relates to an environment-friendly packaging carton, which belongs to the technical field of packaging cartons and comprises a supporting shell, a sealing cover plate is arranged at the top of the supporting shell, supporting vertical plates are respectively mounted on the inner walls of the top of the sealing cover plate, a guide shaft is mounted on one side wall of each supporting vertical plate, and an L-shaped limiting plate is slidably clamped on each guide shaft. First supporting springs used for supporting the L-shaped limiting plates are arranged on the side walls of the guiding shafts, the sealing cover plate is limited and fixed through movement of the L-shaped limiting plates, so that the carton can package objects conveniently and rapidly, the surface of the carton cannot be damaged after repeated use, and the carton is convenient to use. Impact force is absorbed through compression of the energy absorption blocks between the supporting shell and the outer protection shell, the side wall of the supporting shell is prevented from being directly damaged by impact, the supporting strength of the supporting shell can be further improved through the supporting inner lining plate, the carton has good compression resistance and impact resistance, and the service life of the carton is prolonged. And the service life of the carton can be greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging cartons, in particular to an environmentally friendly packaging carton. Background Art

[0002] As an indispensable part of modern logistics, packaging cartons bear the important responsibilities of containing, protecting products and beautifying. Carton packaging is the most widely used packaging method. Common cartons commonly used are three-layer and five-layer, and seven-layer is less used. Each layer is divided into lining paper, corrugated paper, core paper, and face paper. The lining and face paper are tea board paper and kraft paper, and the core paper is corrugated paper. The color and feel of various papers are different, and the paper (color, feel) produced by different manufacturers is also different. According to different materials, there are corrugated boxes, single-layer cardboard boxes, etc. Carton packaging has the characteristics of easy material acquisition, light weight, easy printing, easy design and molding, low cost, etc., and is widely used in sales packaging and transportation packaging of goods.

[0003] Cartons are generally made of pulp with lime, starch, buffer materials, dyes, additives and other auxiliary materials added. Therefore, a large amount of wood is consumed in the production of cartons. Most existing packaging cartons are sealed with tape. After repeated use, a large amount of tape will remain on the cartons, and the surface of the cartons will be damaged when the tape is torn off, so it is not convenient to reuse. In addition, the existing cartons are generally not good in compression and impact resistance. After repeated use, the cartons will be damaged, resulting in a small number of actual uses of the cartons. Utility Model Content

[0004] In order to overcome the technical defects of the prior art, the utility model provides an environmentally friendly packaging carton, which can be used to package articles conveniently and quickly and can be used multiple times. The carton also has good impact resistance, which is conducive to increasing the number of times the carton can be used.

[0005] The technical solution adopted by the utility model is: an environmentally friendly packaging carton, comprising a supporting shell, a sealing cover plate is arranged on the top of the supporting shell, and support vertical plates are respectively installed on the top inner wall of the sealing cover plate, a guide shaft is installed on one side wall of the support vertical plate, an L-shaped limit plate is slidably clamped on the guide shaft, a support spring for supporting the L-shaped limit plate is arranged on the side wall of the guide shaft, an adjusting pull block is installed on one side wall of the L-shaped limit plate, and limiting horizontal plates are respectively installed on the two side inner walls of the supporting shell, an L-shaped pull plate is slidably clamped on the sealing cover, an inclined block is installed on one end of the L-shaped pull plate, and energy absorption blocks are respectively installed on the four side walls of the supporting shell, and guide grooves are respectively opened on the energy absorption blocks.

[0006] Preferably, in order to protect the bottom of the supporting shell, a buffer pad for protecting the bottom of the supporting shell is installed on the bottom outer wall of the supporting shell.

[0007] Preferably, in order to shield the energy absorbing block, an outer protective shell for shielding the energy absorbing block is installed on the support shell.

[0008] Preferably, in order to further improve the supporting strength of the supporting shell, supporting inner lining plates for supporting the supporting shell are respectively installed on the four inner walls of the supporting shell.

[0009] Preferably, in order to prevent the carton from being damaged after the articles inside the carton are damaged and the liquid inside the articles flows out, a protective lining shell is installed on the supporting lining plate.

[0010] Preferably, in order to guide and limit the L-shaped pull plate, a guide and limit column is installed on one side wall of the sealing cover plate, and the guide and limit column is slidably engaged with the L-shaped pull plate.

[0011] Preferably, in order to drive the L-shaped pull plate to descend when the L-shaped pull plate is released, a second supporting spring is provided on the side wall of the guide limit column.

[0012] Preferably, in order to facilitate users to lift the L-shaped pull plate, a U-shaped pull ring is rotatably connected to the L-shaped pull plate.

[0013] The beneficial effects of the utility model are as follows: the sealing cover plate can be limited and fixed by moving the L-shaped limiting plate, and the sealing cover plate can be removed by pulling the L-shaped pulling plate. The carton can not only pack articles conveniently and quickly, but also will not damage the surface of the carton after repeated use;

[0014] The impact force is absorbed by compressing the energy-absorbing block between the supporting shell and the outer protective shell, thereby preventing the side wall of the supporting shell from being directly damaged by the impact. The supporting strength of the supporting shell can be further improved by supporting the inner lining plate. Therefore, the carton has good compression and impact resistance, which is beneficial to improving the service life of the carton. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the outer protective shell structure of the utility model.

[0017] Figure 3 It is an explosion diagram of the utility model.

[0018] Figure 4 for Figure 1A in the figure is an enlarged structural diagram.

[0019] Figure 5 for Figure 3 The enlarged structural diagram at B in FIG.

[0020] Figure 6 for Figure 2 The enlarged structural diagram at C in the figure.

[0021] Explanation of the accompanying drawings: In the figure: 1. Support shell; 2. Sealing cover plate; 3. Support vertical plate; 4. Guide shaft; 5. L-shaped limit plate; 6. Support spring one; 7. Adjustment pull block; 8. L-shaped pull plate; 9. Oblique block; 10. Energy absorption block; 11. Guide groove; 12. Outer protective shell; 13. Limiting horizontal plate; 14. Support lining plate; 15. Protective lining shell; 16. U-shaped pull ring; 17. Buffer pad; 18. Guide limit column; 19. Support spring two. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] like Figure 1-Figure 6 As shown, the present embodiment provides an environmentally friendly packaging carton, comprising a supporting shell 1, a sealing cover plate 2 is arranged on the top of the supporting shell 1, supporting vertical plates 3 are respectively installed on the top inner wall of the sealing cover plate 2, a guide shaft 4 is installed on one side wall of the supporting vertical plate 3, an L-shaped limiting plate 5 is slidably clamped on the guide shaft 4, a supporting spring 6 for supporting the L-shaped limiting plate 5 is arranged on the side wall of the guide shaft 4, an adjusting pull block 7 is installed on one side wall of the L-shaped limiting plate 5, limiting horizontal plates 13 are respectively installed on the inner walls of both sides of the supporting shell 1, an L-shaped pull plate 8 is slidably clamped on the sealing cover plate 2, an inclined block 9 is installed on one end of the L-shaped pull plate 8, energy absorbing blocks 10 are respectively installed on the four side walls of the supporting shell 1, guide grooves 11 are respectively opened on the energy absorbing blocks 10, the energy absorbing blocks 10 are hollow structures, and through The guide groove 11 allows the energy absorbing block 10 to collapse better when it is compressed. When the carton is packaged, the items are first placed inside the supporting shell 1, and then the sealing cover plate 2 is placed on the top of the supporting shell 1, and then pressed into place. At this time, the support spring 6 can drive the L-shaped limit plate 5 to move, and the limit cross plate 13 can be limited by the L-shaped limit plate 5, so as to limit and fix the sealing cover plate 2. If it is necessary to take out the items inside the carton, first pull the L-shaped pull plate 8 upwards, so that the inclined block 9 can drive the adjustment pull block 7 to move, thereby driving the L-shaped limit plate 5 to move, and then the sealing cover plate 2 can be removed. Therefore, the carton can not only package the items conveniently and quickly, but also will not damage the surface of the carton after repeated use, which is beneficial to improving the service life of the carton.

[0024] A buffer pad 17 for protecting the bottom of the support shell 1 is installed on the bottom outer wall of the support shell 1. The buffer pad 17 is made of rubber material. The buffer pad 17 can not only improve the stability of the carton when it is placed, but also provide buffer protection for the bottom of the carton when the carton is put down. An outer protective shell 12 for shielding the energy absorbing block 10 is installed on the support shell 1. Support inner lining plates 14 for supporting the support shell 1 are respectively installed on the four inner walls of the support shell 1. The support inner lining plates 14 and the support shell 1 are made of corrugated cardboard. The corrugated cardboard is a multi-layer adhesive The carton is combined, which is composed of at least one layer of corrugated core paper interlayer and one layer of cardboard, and has high mechanical strength. When the side of the carton is hit, the impactor first contacts the outer protective shell 12, and the energy-absorbing block 10 between the support shell 1 and the outer protective shell 12 collapses to absorb the impact force, which is beneficial to prevent the side wall of the support shell 1 from being directly damaged by the impact, and the support inner lining plate 14 arranged inside the support shell 1 can further improve the support strength of the support shell 1, so that the carton has good pressure resistance and impact resistance, which can greatly improve the service life of the carton.

[0025] A protective lining shell 15 is installed on the supporting lining plate 14. The protective lining shell 15 is made of kraft paperboard as a whole, and a layer of plastic film is pasted on its surface. Therefore, through the protective lining shell 15, the items inside the carton are damaged. After the liquid inside the items flows out, the liquid will not directly penetrate into the supporting shell 1, which is beneficial to prevent damage to the carton.

[0026] A guide limit column 18 is installed on one side wall of the sealing cover plate 2. The guide limit column 18 is slidably engaged with the L-shaped pull plate 8. The guide limit column 18 can guide the L-shaped pull plate 8 and can limit the L-shaped pull plate 8. A support spring 2 19 is arranged on the side wall of the guide limit column 18. When the L-shaped pull plate 8 is released, the support spring 2 19 can drive the L-shaped pull plate 8 to descend.

[0027] A U-shaped pull ring 16 is rotatably connected to the L-shaped pull plate 8 , and the user can lift the L-shaped pull plate 8 more conveniently through the U-shaped pull ring 16 .

[0028] When the utility model is in use, the articles are placed inside the supporting shell 1, and then the sealing cover plate 2 is placed on the top of the supporting shell 1 and pressed into place, and the support spring 16 can drive the L-shaped limit plate 5 to move and limit the limit horizontal plate 13, so that the sealing cover plate 2 can be limited and fixed. When it is necessary to take out the articles, the L-shaped pull plate 8 is pulled to drive the adjustment pull block 7 to move through the inclined block 9, so that the L-shaped limit plate 5 can be moved, so that it no longer limits the limit horizontal plate 13, and then the sealing cover plate 2 can be taken down. The carton is not only convenient and fast The articles can be packaged without damaging the surface of the carton even after repeated use. When the carton is in use, when the side of the carton is hit, the impactor first contacts the outer protective shell 12, and the impact force is absorbed by the compression of the energy-absorbing block 10 between the support shell 1 and the outer protective shell 12, thereby avoiding direct damage to the side wall of the support shell 1 by the impact, and the support inner lining plate 14 arranged inside the support shell 1 can further improve the support strength of the support shell 1. Therefore, the carton has good pressure resistance and impact resistance, which is beneficial to improving the service life of the carton.

[0029] The above shows and describes the basic principles, main features and advantages of the invention. Those skilled in the art should understand that the invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the invention. Without departing from the spirit and scope of the invention, the invention may have various changes and improvements, which shall fall within the scope of the invention to be protected. The scope of protection of the invention shall be defined by the attached claims and their equivalents.

Claims

1. An environmentally friendly packaging carton, comprising a supporting shell (1), characterized in that: A sealing cover plate (2) is arranged on the top of the support shell (1), and support vertical plates (3) are respectively installed on the top inner wall of the sealing cover plate (2), and a guide shaft (4) is installed on one side wall of the support vertical plate (3). An L-shaped limit plate (5) is slidably clamped on the guide shaft (4), and a support spring (6) for supporting the L-shaped limit plate (5) is arranged on the side wall of the guide shaft (4). An adjustment pull block (7) is installed on one side wall of the L-shaped limit plate (5). Limiting horizontal plates (13) are respectively installed on the inner walls of both sides of the support shell (1), and an L-shaped pull plate (8) is slidably clamped on the sealing cover plate (2), and an inclined block (9) is installed at one end of the L-shaped pull plate (8). Energy absorption blocks (10) are respectively installed on the four side walls of the support shell (1), and guide grooves (11) are respectively opened on the energy absorption blocks (10).

2. The environmentally friendly packaging carton according to claim 1, characterized in that: A buffer pad (17) for protecting the bottom of the support shell (1) is installed on the outer wall of the bottom of the support shell (1).

3. The environmentally friendly packaging carton according to claim 1, characterized in that: An outer protective shell (12) for shielding the energy absorbing block (10) is mounted on the supporting shell (1).

4. The environmentally friendly packaging carton according to claim 1, characterized in that: Support lining plates (14) for supporting the support shell (1) are respectively installed on the four inner walls of the support shell (1).

5. The environmentally friendly packaging carton according to claim 4, characterized in that: A protective lining shell (15) is mounted on the supporting lining plate (14).

6. The environmentally friendly packaging carton according to claim 1, characterized in that: A guide limit column (18) is installed on one side wall of the sealing cover plate (2), and the guide limit column (18) is slidably engaged with the L-shaped pull plate (8).

7. The environmentally friendly packaging carton according to claim 6, characterized in that: A second supporting spring (19) is provided on the side wall of the guide limiting column (18).

8. The environmentally friendly packaging carton according to claim 1, characterized in that: A U-shaped pull ring (16) is rotatably connected to the L-shaped pull plate (8).

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