Seepage-proof environment-friendly packaging box

Abstract

The utility model discloses an environment-friendly packing box capable of preventing water seepage, which belongs to the technical field of environment-friendly packing boxes and is characterized by comprising an environment-friendly packing box body, the environment-friendly packing box body comprises a box body and a box cover, protrusions are arranged at the bottom of the inner wall of the box cover in a rectangular shape, and a sealing ring is adhered to the top between the protrusions and the inner wall of the box cover. The bottom of the sealing ring is in close contact with the top of the box body; the environment-friendly packaging box comprises a box body and a box cover, the box body and the box cover each comprise a base material layer and a covering layer, a grid layer is bonded between the opposite sides of the base material layer and the covering layer, and the problem that an existing environment-friendly packaging box is usually made of corrugated paper and is limited by the material of the environment-friendly packaging box although the existing environment-friendly packaging box has certain recycling performance is solved; a conventional environment-friendly packaging box has the problems that the water seepage prevention performance is poor, and the environment-friendly packaging box is easily affected by water erosion, so that the strength of a main body structure of the environment-friendly packaging box is reduced and the environment-friendly packaging box is damaged, objects in the environment-friendly packaging box are easily damaged, and the environment-friendly packaging box is not easy to recycle.

Description

Technical Field

[0001] The utility model relates to the technical field of environmentally friendly packaging boxes, in particular to an environmentally friendly packaging box capable of preventing water seepage. Background Art

[0002] Packing boxes are mainly used to facilitate transportation, loading and unloading, and storage. Generally, wooden boxes and corrugated wood pallets are used. Tin barrels or tin barrels are also used. In life, packing boxes can be seen everywhere. Due to the convenience of packing boxes, people's lives are becoming more and more inseparable from packing boxes. Packing boxes are recyclable and therefore have good environmental protection properties.

[0003] Existing environmentally friendly packaging boxes are usually made of corrugated paper. Although they can be recycled to a certain extent, they are limited by the material problem of environmentally friendly packaging boxes. Conventional environmentally friendly packaging boxes have poor water-proof performance and are easily affected by water erosion, which leads to the reduction of the main structure strength of the environmentally friendly packaging boxes and damage, which in turn easily causes damage to the internal items and is difficult to recycle. Utility Model Content

[0004] The utility model provides an environmentally friendly packaging box which is waterproof, aiming to solve the problem that the existing environmentally friendly packaging boxes are usually made of corrugated paper. Although they can be recycled to a certain extent, they are limited by the material problem of the environmentally friendly packaging boxes. Conventional environmentally friendly packaging boxes have the problem of poor waterproof performance and are easily affected by water erosion, which leads to the reduction of the strength of the main structure of the environmentally friendly packaging box and damage, which in turn easily causes damage to the internal items and is difficult to be recycled.

[0005] The utility model is implemented as follows: an environmentally friendly packaging box capable of preventing water seepage comprises an environmentally friendly packaging box body, the environmentally friendly packaging box body comprises a box body and a box cover, the bottom of the inner wall of the box cover is rectangular and provided with a protrusion, and a sealing ring is bonded to the top between the protrusion and the inner wall of the box cover, and the bottom of the sealing ring is in close contact with the top of the box body;

[0006] The box body and the box cover both include a base material layer and a covering layer, a grid layer is bonded between opposite sides of the base material layer and the covering layer, a first moisture-proof layer and a second moisture-proof layer are respectively arranged on opposite sides of the base material layer and the covering layer, and a heat-insulating layer is arranged on the surface of the second moisture-proof layer.

[0007] In order to achieve the effect of limiting the position of the sealing ring, as a preferred waterproof and environmentally friendly packaging box of the utility model, a cavity is formed between the protrusion and the inner wall of the box cover, and the sealing ring is located inside the cavity.

[0008] In order to enhance the connection strength between the box body and the box cover, as a preferred waterproof and environmentally friendly packaging box of the utility model, a rectangular elastic sheet is provided between the protrusion and the inner wall of the box cover, and the rectangular elastic sheet is in close contact with the side close to the box body.

[0009] In order to achieve the effect of improving the strength of the box body, as a preferred waterproof and environmentally friendly packaging box of the utility model, two reinforcing plates are arranged around the inner wall of the box body, and the two reinforcing plates are arranged in an X shape, and the connection between the two reinforcing plates is connected by a pin shaft.

[0010] In order to achieve the effect of ensuring the strength of the box structure, as a preferred waterproof and environmentally friendly packaging box of the utility model, the base layer is made of corrugated paper, the grid layer is made of high-strength cardboard, and the covering layer is made of kraft paper.

[0011] In order to achieve the effect of improving the moisture-proof performance of the box body, as a preferred waterproof and environmentally friendly packaging box of the utility model, the first moisture-proof layer and the second moisture-proof layer are both composed of water-based polyurethane moisture-proof coatings, and are respectively evenly coated on the inside of the substrate layer and the surface of the covering layer.

[0012] In order to achieve the effect of improving the thermal insulation performance of the box body, as a preferred waterproof and environmentally friendly packaging box of the utility model, the thermal insulation layer is composed of a PET thermal insulation film and is bonded to the side close to the second moisture-proof layer.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The water-proof environmentally friendly packaging box can seal the connection between the box cover and the box body when the two are connected by providing the protrusion and the sealing ring, thereby achieving the effect of water-proofing, thereby preventing moisture from entering the interior of the box body from the connection between the two and causing damage to the packaged items. In addition, the first moisture-proof layer and the second moisture-proof layer can be provided to enable the main body of the environmentally friendly packaging box to resist erosion by external moisture and moisture of internal items, thereby making the main body of the environmentally friendly packaging box not easily affected by moisture, thereby ensuring the structural strength. At the same time, the provision of the heat insulation layer can improve the temperature resistance of the main body of the environmentally friendly packaging box, making it not easily damaged by high temperature, thereby ensuring the recyclability of the main body of the environmentally friendly packaging box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall structure diagram of the water-proof and environmentally friendly packaging box of the utility model;

[0016] Figure 2 It is a schematic diagram of the connection between the box body and the box cover in the utility model;

[0017] Figure 3 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0018] Figure 4 It is a partial exploded schematic diagram of the box body in the utility model.

[0019] In the figure, 1. the main body of the environmentally friendly packaging box; 2. the box body; 3. the box cover; 4. the protrusion; 5. the sealing ring; 6. the base material layer; 7. the covering layer; 8. the mesh layer; 9. the first moisture-proof layer; 10. the second moisture-proof layer; 11. the heat-insulating layer; 12. the rectangular elastic sheet; 13. the reinforcing plate. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] See also Figure 1-4 The utility model provides a technical solution: an environmentally friendly packaging box that can prevent water seepage, including an environmentally friendly packaging box body 1, the environmentally friendly packaging box body 1 includes a box body 2 and a box cover 3, the bottom of the inner wall of the box cover 3 is rectangular and is provided with a protrusion 4, and a sealing ring 5 is bonded to the top between the protrusion 4 and the inner wall of the box cover 3, and the bottom of the sealing ring 5 is in close contact with the top of the box body 2;

[0023] The box body 2 and the box cover 3 both include a base material layer 6 and a covering layer 7, a mesh layer 8 is bonded between opposite sides of the base material layer 6 and the covering layer 7, a first moisture-proof layer 9 and a second moisture-proof layer 10 are respectively provided on opposite sides of the base material layer 6 and the covering layer 7, and a heat-insulating layer 11 is provided on the surface of the second moisture-proof layer 10.

[0024] In this embodiment: by setting the protrusion 4 and the sealing ring 5, the connection between the box cover 3 and the box body 2 can be sealed when the box cover 3 is connected to the box body 2, so as to achieve the effect of preventing water from seeping in, thereby preventing moisture from entering the interior of the box body 2 from the connection between the two and causing damage to the packaged items. In addition, by setting the first moisture-proof layer 9 and the second moisture-proof layer 10, the environmentally friendly packaging box body 1 can resist the erosion of external moisture and moisture of internal items, so that the environmentally friendly packaging box body 1 is not easy to be affected by moisture, thereby ensuring the structural strength. At the same time, by setting the heat insulation layer 11, the temperature resistance of the environmentally friendly packaging box body 1 can be improved, so that it is not easy to be damaged by high temperature, thereby ensuring the recyclability of the environmentally friendly packaging box body 1.

[0025] As a technical optimization solution of the utility model, a cavity is formed between the protrusion 4 and the inner wall of the box cover 3, and the sealing ring 5 is located inside the cavity.

[0026] In this embodiment, a cavity is formed between the protrusion 4 and the inner wall of the box cover 3, so that the position of the sealing ring 5 can be easily restricted.

[0027] As a technical optimization solution of the utility model, a rectangular elastic sheet 12 is provided between the protrusion 4 and the inner wall of the box cover 3, and the side of the rectangular elastic sheet 12 close to the box body 2 is in close contact with it.

[0028] In this embodiment, by providing a rectangular elastic sheet 12, the elasticity of the sheet can be utilized to tightly connect the box cover 3 to the box body 2, thereby achieving the effect of enhancing the firmness of the connection between the box body 2 and the box cover 3.

[0029] As a technical optimization solution of the present invention, two reinforcing plates 13 are arranged around the inner wall of the box body 2, and the two reinforcing plates 13 are arranged in an X shape, and the connection between the two reinforcing plates 13 is connected by a pin shaft.

[0030] In this embodiment, the reinforcing plate 13 arranged in an X shape can enhance the effect of the box body 2 and the box cover 3 in resisting external forces, making them less likely to be damaged, thereby ensuring the use strength of the environmentally friendly packaging box body 1.

[0031] As a technical optimization solution of the present invention, the base material layer 6 is made of corrugated paper, the mesh layer 8 is made of high-strength paperboard, and the covering layer 7 is made of kraft paper.

[0032] In this embodiment, by arranging the base material layer 6, the mesh layer 8 and the covering layer 7 to be respectively composed of corrugated paper, high-strength paperboard and kraft paper, the structural strength of the main body 1 of the environmentally friendly packaging box can be ensured.

[0033] As a technical optimization solution of the present invention, the first moisture-proof layer 9 and the second moisture-proof layer 10 are both made of water-based polyurethane moisture-proof coatings and are uniformly coated on the inside of the substrate layer 6 and the surface of the covering layer 7 respectively.

[0034] In this embodiment: by arranging that the first moisture-proof layer 9 and the second moisture-proof layer 10 are both composed of water-based polyurethane moisture-proof coatings, the environmentally friendly packaging box body 1 can resist the erosion of external moisture and moisture of internal articles, so that the environmentally friendly packaging box body 1 is not easily affected by moisture, thereby ensuring the structural strength.

[0035] As a technical optimization solution of the present invention, the heat insulation layer 11 is made of a PET heat insulation film and is bonded to a side close to the second moisture-proof layer 10 .

[0036] In this embodiment: by setting the insulation layer 11 to be composed of a PET insulation film and bonding it to the side close to the second moisture-proof layer 10, the temperature resistance of the environmentally friendly packaging box body 1 can be improved, making it less likely to be damaged by high temperature, thereby ensuring the recyclability of the environmentally friendly packaging box body 1.

[0037] Working principle: by setting the protrusion 4 and the sealing ring 5, the connection between the box cover 3 and the box body 2 can be sealed when the box cover 3 is connected to the box body 2, so as to achieve the effect of water seepage prevention, thereby preventing moisture from entering the interior of the box body 2 from the connection between the two and causing damage to the packaged items. In addition, by setting the first moisture-proof layer 9 and the second moisture-proof layer 10, the environmentally friendly packaging box main body 1 can resist the erosion of external moisture and internal items, so that the environmentally friendly packaging box main body 1 is not easy to be affected by moisture, thereby ensuring the structural strength. At the same time, by setting the heat insulation layer 11, the temperature resistance of the environmentally friendly packaging box main body 1 can be improved, making it not easy to be damaged by high temperature, thereby ensuring the recyclability of the environmentally friendly packaging box main body 1.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An environmentally friendly packaging box capable of preventing water seepage, comprising an environmentally friendly packaging box body (1), characterized in that: The environmentally friendly packaging box body (1) comprises a box body (2) and a box cover (3); the bottom of the inner wall of the box cover (3) is rectangular and provided with a protrusion (4); a sealing ring (5) is bonded to the top between the protrusion (4) and the inner wall of the box cover (3); and the bottom of the sealing ring (5) is in close contact with the top of the box body (2); The box body (2) and the box cover (3) both comprise a base material layer (6) and a covering layer (7); a mesh layer (8) is bonded between opposite sides of the base material layer (6) and the covering layer (7); a first moisture-proof layer (9) and a second moisture-proof layer (10) are respectively provided on opposite sides of the base material layer (6) and the covering layer (7); and a heat-insulating layer (11) is provided on the surface of the second moisture-proof layer (10).

2. The water-proof and environmentally friendly packaging box according to claim 1, characterized in that: A cavity is formed between the protrusion (4) and the inner wall of the box cover (3), and the sealing ring (5) is located inside the cavity.

3. The water-proof and environmentally friendly packaging box according to claim 1, characterized in that: A rectangular elastic sheet (12) is provided between the protrusion (4) and the inner wall of the box cover (3), and the side of the rectangular elastic sheet (12) close to the box body (2) is in close contact with it.

4. The water-proof and environmentally friendly packaging box according to claim 1, characterized in that: Two reinforcing plates (13) are arranged around the inner wall of the box body (2), and the two reinforcing plates (13) are arranged in an X shape. The connection points of the two reinforcing plates (13) are connected by a pin shaft.

5. The water-proof and environmentally friendly packaging box according to claim 1, characterized in that: The base material layer (6) is made of corrugated paper, the mesh layer (8) is made of high-strength paperboard, and the covering layer (7) is made of kraft paper.

6. The water-proof and environmentally friendly packaging box according to claim 1, characterized in that: The first moisture-proof layer (9) and the second moisture-proof layer (10) are both made of water-based polyurethane moisture-proof coatings, and are uniformly coated on the inside of the substrate layer (6) and the surface of the covering layer (7), respectively.

7. The water-proof and environmentally friendly packaging box according to claim 1, characterized in that: The heat insulation layer (11) is made of a PET heat insulation film and is bonded to a side close to the second moisture-proof layer (10).

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