Packaging box with multiple waterproof structures

Abstract

The utility model provides a packing box with multiple waterproof structures, which relates to the field of packing boxes and comprises a packing box body, a polyethylene waterproof outer layer and a polyethylene waterproof inner layer, and the polyethylene waterproof inner layer and the polyethylene waterproof outer layer are respectively arranged on the inner surface and the outer surface of the packing box body. A water-absorbing foam anti-collision strip is adhered to the box surface of the inner side of the packaging box body, water-absorbing side cavities are formed in the left side surface and the right side surface of the water-absorbing foam anti-collision strip, elastic nets are adhered to the inclined surfaces of the water-absorbing side cavities, a lower waterproof film cover is adhered to and wraps the lower surface of the packaging box body, and an upper waterproof film cover is adhered to the upper surface of the packaging box body. The packaging box solves the problem that in the prior art, when a waterproof layer on the inner side of a packaging box prevents water from permeating, liquid is prone to being left in the box, and the liquid left in the box contaminates the surfaces of commodities.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging boxes, in particular to a packaging box with multiple waterproof structures. Background Art

[0002] A packaging box is a box used to package and protect goods, usually made of materials such as cardboard, corrugated cardboard, plastic or metal. It plays an important role in the transportation, storage and display of goods. It not only provides protection but also conveys brand image and information. After searching, the prior art (Announcement No.: CN202323598580.2) is a waterproof paper product packaging box. The article records that "the waterproof paper product packaging box is provided with a locking piece. When the box cover and the packaging box body are installed, the insertion block is docked and inserted into the docking groove. Under the cooperation of the locking column and the locking groove, the box cover and the packaging box body can be locked. The packaging box is butt-jointed and installed. After installation, the sealing gasket is located on the inner side of the sealing groove, so that water is not easy to enter between the box cover and the packaging box, thereby enhancing its waterproof effect. By arranging a second waterproof layer on the outer side of the packaging box body, with the cooperation of the waterproof coating, water is prevented from penetrating into the inner side of the packaging box body, and a first waterproof layer and an anti-corrosion layer are arranged on the outer side of the thermal insulation layer, moisture inside the packaging box body is prevented from penetrating into the outside, and liquid in the packaging box is prevented from corroding the first waterproof layer. However, in the prior art, when the waterproof layer on the inner side of the packaging box prevents water from penetrating, liquid is easily retained in the box, resulting in the problem that the liquid retained in the box is stained on the surface of the goods. Utility Model Content

[0003] In order to overcome the defects of the existing technology, a packaging box with a multiple waterproof structure is now provided to solve the problem in the existing technology that when the waterproof layer on the inner side of the packaging box prevents moisture from penetrating, liquid is easily retained in the box, causing the liquid retained in the box to contaminate the surface of the goods.

[0004] To achieve the above object, a packaging box with a multi-layer waterproof structure is provided, comprising: a packaging box body, a polyethylene waterproof outer layer and a polyethylene waterproof inner layer, wherein the inner and outer surfaces of the packaging box body are respectively provided with a polyethylene waterproof inner layer and a polyethylene waterproof outer layer.

[0005] The inner surface of the packaging box body is bonded with a water-absorbing foam anti-collision strip, and the left and right sides of the water-absorbing foam anti-collision strip are provided with water-absorbing side cavities. The inclined surface of the water-absorbing side cavity is bonded with an elastic net, the lower surface of the packaging box body is bonded with a lower waterproof film cover, and the upper surface of the packaging box body is bonded with an upper waterproof film cover.

[0006] Furthermore, the packaging box body contains a first paperboard layer, a corrugated core layer and a second paperboard layer; and the first paperboard layer and the second paperboard layer are distributed and bonded on the inner and outer sides of the corrugated core layer.

[0007] Furthermore, a polyethylene waterproof inner layer is bonded to the side surface of the first paperboard layer, and a polyethylene waterproof outer layer is bonded to the outer side surface of the second paperboard layer.

[0008] Furthermore, the lower end of the upper waterproof membrane cover is bonded to the upper end surface of the lower waterproof membrane cover by Velcro.

[0009] Furthermore, high-efficiency water-absorbing resin particles are filled between the water-absorbing side cavity and the elastic net.

[0010] Furthermore, the cross section of the water-absorbing foam anti-collision strip is trapezoidal in shape; and the water-absorbing side cavities on both sides are triangular prism-shaped.

[0011] Furthermore, the water-absorbing foam anti-collision strip, the elastic net, the upper waterproof membrane cover, the lower waterproof membrane cover, the polyethylene waterproof outer layer and the polyethylene waterproof inner layer constitute a multi-layer waterproof structure of the packaging box body.

[0012] The beneficial effect of the present invention is that the packaging box with multiple waterproof structures of the present invention utilizes a water-absorbing foam anti-collision strip bonded to the inner surface of the packaging box, and the water-absorbing resin filled in the water-absorbing side cavity of the water-absorbing foam anti-collision strip absorbs the waterproof liquid retained in the box, and adsorbs the liquid entering the box, so as to effectively prevent the liquid retained in the packaging box from being contaminated on the outer surface of the goods, ensure the cleanliness of the appearance of the goods in the packaging box, and at the same time has the function of buffering and protecting the collision and impact of the goods in the packaging box, and then a multi-layer waterproof structure is formed by a double-layer polyethylene waterproof layer and a waterproof film cover covering the outside, which protects the outside of the packaging box from being easily damaged by water and enhances the waterproof effect of the packaging box. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front cross-sectional structural diagram of a packaging box with multiple waterproof structures according to an embodiment of the present utility model.

[0014] Figure 2 For the embodiment of the utility model Figure 1 Schematic diagram of the enlarged structure at point A.

[0015] Figure 3 This is a schematic front cross-sectional structural diagram of a water-absorbing foam anti-collision strip according to an embodiment of the present utility model.

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the water-absorbing foam anti-collision strip according to an embodiment of the present utility model.

[0017] In the figure: 1. Packaging box body; 11. First cardboard layer; 12. Corrugated core layer; 13. Second cardboard layer; 2. Water-absorbing foam anti-collision strip; 21. Elastic net; 22. Water-absorbing side cavity; 3. Upper waterproof membrane cover; 31. Velcro; 32. Lower waterproof membrane cover; 4. Polyethylene waterproof outer layer; 41. Polyethylene waterproof inner layer. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a packaging box with a multiple waterproof structure, comprising: a packaging box body 1, a polyethylene waterproof outer layer 4 and a polyethylene waterproof inner layer 41. The inner and outer surfaces of the packaging box body 1 are respectively provided with a polyethylene waterproof inner layer 41 and a polyethylene waterproof outer layer 4.

[0019] A water-absorbing foam anti-collision strip 2 is bonded to the inner surface of the packaging box body 1, and a water-absorbing side cavity 22 is opened on the left and right sides of the water-absorbing foam anti-collision strip 2. An elastic net 21 is bonded and attached to the inclined surface of the water-absorbing side cavity 22. The lower surface of the packaging box body 1 is bonded and wrapped with a lower waterproof film cover 32, and the upper surface of the packaging box body 1 is bonded with an upper waterproof film cover 3.

[0020] The bonding position of the water-absorbing foam anti-collision strip 5 in the packaging box body 1 can be adjusted according to the shape of the stored goods. The water-absorbing resin filled in the water-absorbing side cavity 22 of the water-absorbing foam anti-collision strip 2 absorbs the waterproof liquid retained in the box and adsorbs the liquid entering the box, so as to effectively prevent the liquid retained in the packaging box from being contaminated on the outer surface of the goods, ensure the cleanliness of the appearance of the goods in the packaging box, and at the same time have the function of buffering and protecting the collision and impact of the goods in the packaging box. The polyethylene waterproof inner layer 41 and the polyethylene waterproof outer layer 4 of the packaging box body 1 and the waterproof film cover covering the outside form a multi-layer waterproof structure to protect the outside of the packaging box from being easily damaged by water, thereby enhancing the waterproof effect of the packaging box.

[0021] In this embodiment, the packaging box body 1 comprises a first paperboard layer 11, a corrugated core layer 12, and a second paperboard layer 13. The first and second paperboard layers 11, 13 are bonded to the inner and outer sides of the corrugated core layer 12. A polyethylene waterproof inner layer 41 is bonded to the side of the first paperboard layer 11, while a polyethylene waterproof outer layer 4 is bonded to the outer side of the second paperboard layer 13. The lower end of the upper waterproof membrane cover 3 is bonded to the upper end of the lower waterproof membrane cover 32 via Velcro 31.

[0022] As a preferred embodiment, the packaging box body 1 comprises a three-layer cardboard structure, increasing its load-bearing capacity. The polyethylene waterproof inner layer 41 and the polyethylene waterproof outer layer 4 prevent liquids from seeping into the cardboard structure. The upper and lower waterproof membrane covers 3, 32 are easily bonded and wrapped around the outer surface of the packaging box body 1, protecting the packaging box body 1 from moisture, softening, and damage caused by rain.

[0023] In this embodiment, high-efficiency water-absorbing resin particles are filled between the water-absorbing side cavity 22 and the elastic net 21. The cross section of the water-absorbing foam anti-collision strip 2 is trapezoidal in shape, and the water-absorbing side cavities 22 on both sides are triangular prisms.

[0024] As a preferred embodiment, the high-efficiency water-absorbing resin particles between the water-absorbing side cavity 22 and the elastic net 21 can absorb the liquid blocked in the box, preventing the blocked liquid from being contaminated and attached to the surface of the goods during transportation of the box.

[0025] In this embodiment, the water-absorbing foam anti-collision strip 2, the elastic net 21, the upper waterproof membrane cover 3, the lower waterproof membrane cover 32, the polyethylene waterproof outer layer 4 and the polyethylene waterproof inner layer 41 constitute a multi-layer waterproof structure of the packaging box body 1.

[0026] As a preferred embodiment, the multi-layer waterproof structure of the packaging box body 1 achieves a highly efficient waterproof effect, which is convenient for effectively preventing the liquid retained in the packaging box from contaminating the outer surface of the goods, ensuring the cleanliness of the appearance of the goods in the packaging box, and protecting the outside of the packaging box from being easily damaged by water.

[0027] The packaging box with multiple waterproof structures of the utility model can effectively solve the problem that liquid retained in the box is stained on the surface of the goods, and is convenient for effectively preventing liquid retained in the packaging box from being stained on the outer surface of the goods, ensuring the cleanliness of the appearance of the goods in the packaging box, and at the same time has the function of buffering and protecting the collision and impact of the goods in the packaging box. The multi-layer waterproof structure is formed by the double-layer polyethylene waterproof layer and the waterproof film cover covering the outside, which protects the outside of the packaging box from being easily damaged by water and enhances the waterproof effect of the packaging box. The utility model is suitable for packaging boxes with multiple waterproof structures.

Claims

1. A packaging box with multiple waterproof structures, comprising: A packaging box body (1), a polyethylene waterproof outer layer (4) and a polyethylene waterproof inner layer (41), wherein the inner and outer surfaces of the packaging box body (1) are respectively provided with a polyethylene waterproof inner layer (41) and a polyethylene waterproof outer layer (4), characterized in that: The inner surface of the packaging box body (1) is bonded with a water-absorbing foam anti-collision strip (2), the left and right sides of the water-absorbing foam anti-collision strip (2) are provided with water-absorbing side cavities (22), the inclined surfaces of the water-absorbing side cavities (22) are bonded with an elastic net (21), the lower surface of the packaging box body (1) is bonded with a lower waterproof film cover (32), and the upper surface of the packaging box body (1) is bonded with an upper waterproof film cover (3).

2. The packaging box with multiple waterproof structures according to claim 1, characterized in that: The packaging box body (1) contains a first paperboard layer (11), a corrugated core layer (12) and a second paperboard layer (13); and the first paperboard layer (11) and the second paperboard layer (13) are distributed and bonded to the inner and outer sides of the corrugated core layer (12).

3. The packaging box with multiple waterproof structures according to claim 2, characterized in that: A polyethylene waterproof inner layer (41) is bonded to the side surface of the first paperboard layer (11), and a polyethylene waterproof outer layer (4) is bonded to the outer side surface of the second paperboard layer (13).

4. The packaging box with multiple waterproof structures according to claim 1, characterized in that: The lower end of the upper waterproof membrane cover (3) is bonded to the upper end surface of the lower waterproof membrane cover (32) via a Velcro (31).

5. The packaging box with multiple waterproof structures according to claim 1, characterized in that: High-efficiency water-absorbing resin particles are filled between the water-absorbing side cavity (22) and the elastic net (21).

6. The packaging box with multiple waterproof structures according to claim 1, characterized in that: The cross section of the water-absorbing foam anti-collision strip (2) is in the shape of a trapezoid; and the water-absorbing side cavities (22) on both sides are in the shape of triangular prisms.

7. The packaging box with multiple waterproof structures according to claim 1, characterized in that: The water-absorbing foam anti-collision strip (2), the elastic net (21), the upper waterproof membrane cover (3), the lower waterproof membrane cover (32), the polyethylene waterproof outer layer (4) and the polyethylene waterproof inner layer (41) constitute a multi-layer waterproof structure of the packaging box body (1).

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