Enhanced leakage-proof packaging box

Abstract

The utility model discloses a strengthened leakproof packing box, relates to packing box technical field, including main box body, bottom plate main part, side plate main part and PE coated paper layer, the bottom plate main part is provided at the middle end of main box body, the side plate main part is provided on the four sides of bottom plate main part, and the both sides of side plate main part outer side are provided with connecting lappets, and the PE coated paper layer is provided with the connecting lappets. A first turning cover is arranged on the front side of the outer portion of the side plate body, a second turning cover is distributed outside the first turning cover, supporting blocks are additionally arranged at the four corners in the main box body, a paper outer layer is arranged on the outer side in the main box body, a corrugated paper body is arranged on the inner side of the paper outer layer, and reinforcing column rods are additionally arranged on the inner side of the corrugated paper body. The paper inner layer is arranged outside the corrugated paper main body, and the coated paper layer is arranged outside the paper inner layer. According to the reinforced leakage-proof packaging box, the problem that the structural strength of an existing carton is reduced when internal liquid leaks can be avoided, and the overall leakage-proof performance of the packaging box is improved.

Description

Technical Field

[0001] This utility model relates to the field of packaging box technology, specifically a reinforced leak-proof packaging box. Background Technology

[0002] Packaging boxes are boxes used to package and protect goods, primarily for facilitating transportation, loading and unloading, and warehousing. Common packaging box materials include wooden crates, corrugated cardboard boxes, tin drums, or galvanized iron drums. Packaging boxes are widely used in logistics, warehousing, and manufacturing industries to ensure goods are not damaged during transportation and handling. Furthermore, the design and manufacture of packaging boxes must consider environmental factors, such as using biodegradable materials and environmentally friendly printing processes. To improve packaging efficiency, a new type of packaging box is needed; however, existing packaging boxes still have the following shortcomings:

[0003] For example, the utility model with publication number CN210132831U discloses a new type of pressure-resistant packaging box. This utility model has a simple structure, is safe and convenient to use, and has good pressure resistance and impact resistance, which greatly increases the strength and service life of the box, ensures the load-bearing capacity of the box, and facilitates the safety of the goods. However, similar to the prior art of the above application, when existing packaging boxes are used, since most packaging boxes are mainly made of cardboard, the structural strength of the cardboard box will be greatly reduced when it encounters internal liquid leakage, and it may even lose its original packaging function, resulting in economic losses. At the same time, the leakage is difficult to clean and easily affects the cleanliness of the environment, causing the practicality of the packaging box to decrease and the efficiency of use to decrease. Utility Model Content

[0004] The purpose of this invention is to provide a reinforced leak-proof packaging box to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a reinforced leak-proof packaging box, comprising a main box body, a bottom plate main body, side plate main bodies, and a coated paper layer. The bottom plate main body is located in the middle of the main box body, and side plate main bodies are located on the four outer sides of the bottom plate main body. Connecting flaps are located on the outer sides of the side plate main bodies. A first flap is located on the front outer side of the side plate main bodies, and a second flap is distributed outside the first flap. Support blocks are added at the four corners inside the main box body. A paper outer layer is located on the outer side of the inner side of the main box body, and a corrugated paper main body is located inside the paper outer layer. Reinforcing columns are added inside the corrugated paper main body. A paper inner layer is located outside the corrugated paper main body, and a coated paper layer is located outside the paper inner layer.

[0006] Furthermore, the side plate body is symmetrically arranged outside the bottom plate body, and the bottom plate body and the side plate body are an integral structure.

[0007] Furthermore, the number of connecting flaps is set to four, and the four connecting flaps are equidistantly distributed at the four outer corners of the side panel body.

[0008] Furthermore, the outer sides of the first flip cover and the outer sides of the second flip cover are horizontally distributed, and the inner surface of the first flip cover and the outer surface of the second flip cover are closely fitted together.

[0009] Furthermore, the number of support blocks is set to four, and the four support blocks are equidistantly distributed at the four corners inside the main box.

[0010] Furthermore, the corrugated paper body has an inner paper layer and an outer paper layer on its upper and lower sides, respectively, and the corrugated paper body is disposed and confined between the inner paper layer and the outer paper layer.

[0011] Furthermore, the reinforcing rods are embedded in the corrugated paper body, and the reinforcing rods are equidistantly distributed inside the corrugated paper body.

[0012] Furthermore, the outer side of the inner paper layer and the outer side of the coated paper layer are horizontally distributed, and the outer side of the inner paper layer and the outer side of the coated paper layer are closely attached.

[0013] This utility model provides a reinforced leak-proof packaging box, which has the following beneficial effects:

[0014] 1. This utility model, through the setting of the connecting flap, enables the use of a reinforced leak-proof packaging box. The integrated structure of the bottom plate, side plate, and connecting flap ensures that there are no gaps between the bottom and sides of the main box after folding. The side plate and connecting flap together form a side wall structure, thus making the main box a box structure that can store items. The integrated structure of the bottom plate, side plate, and connecting flap makes the packaging box leak-proof. Combined with the first and second flaps, the overall sealing of the packaging box is increased, thereby improving the overall practicality and efficiency of the packaging box.

[0015] 2. By reinforcing the support columns, this utility model provides stable support for the packaging box during use, while the corrugated cardboard body increases the box's pressure resistance. The reinforcing columns inside the corrugated cardboard body further enhance the overall stability and load-bearing capacity of the packaging box. A coated paper layer is applied to the inner side of the paper inner layer to improve the packaging box's waterproofness, preventing water stains from penetrating the box and improving its overall service life and efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the three-dimensional unfolded structure of a reinforced leak-proof packaging box according to the present invention;

[0017] Figure 2This is a three-dimensional structural diagram of a reinforced leak-proof packaging box according to the present invention;

[0018] Figure 3 This is a three-dimensional sectional view of the main body of a reinforced leak-proof packaging box according to the present invention.

[0019] In the diagram: 1. Main box body; 2. Base plate body; 3. Side plate body; 4. Connecting flap; 5. First flap; 6. Second flap; 7. Support block; 8. Outer paper layer; 9. Corrugated paper body; 10. Reinforcing column; 11. Inner paper layer; 12. Coated paper layer. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0021] like Figures 1 to 3 As shown, a reinforced leak-proof packaging box includes a main box body 1, a bottom plate body 2, side plate bodies 3, and a coated paper layer 12. The bottom plate body 2 is located in the middle of the main box body 1, and the side plate bodies 3 are located on the four sides of the bottom plate body 2. Connecting flaps 4 are located on the outer sides of the side plate bodies 3. At the same time, a first flap 5 is located on the front side of the side plate bodies 3, and a second flap 6 is distributed outside the first flap 5. Through the integrated structure of the bottom plate body 2, the side plate bodies 3, and the connecting flaps 4, there are no gaps between the bottom and the sides of the main box body 1 after folding. The side plate bodies 3 and the connecting flaps 4 are used to form a side wall structure, so that the main box body 1 constitutes a box structure that can store items. The integrated structure of the bottom plate body 2, the side plate bodies 3, and the connecting flaps 4 makes the packaging box leak-proof. The first flap 5 and the second flap 6 increase the overall sealing of the packaging box, thereby improving the overall practicality and efficiency of the packaging box.

[0022] like Figures 1 to 3As shown, support blocks 7 are added to the four corners inside the main box 1, and a paper outer layer 8 is provided on the outer side of the main box 1. A corrugated paper body 9 is provided on the inner side of the paper outer layer 8, and a reinforcing column 10 is added on the inner side of the corrugated paper body 9. A paper inner layer 11 is provided on the outer side of the corrugated paper body 9, and a coated paper layer 12 is provided on the outer side of the paper inner layer 11. The support blocks 7 are fixedly installed at the four corners inside the main box 1 by adhesive. The support blocks 7 provide stable support for the use of the packaging box. At the same time, the corrugated paper body 9 is limited between the paper outer layer 8 and the paper inner layer 11 by adhesive. The corrugated paper body 9 increases the pressure resistance of the packaging box. In conjunction with the reinforcing column 10 added inside the corrugated paper body 9, the overall stability and load-bearing capacity of the packaging box are improved. A coated paper layer 12 is provided on the inner side of the paper inner layer 11. The coated paper layer 12 improves the waterproofness of the packaging box, prevents water stains from penetrating the packaging box, and improves the overall service life and efficiency of the packaging box.

[0023] In summary, this reinforced leak-proof packaging box, when in use, firstly, through the integrated structure of the base plate main body 2, side plate main body 3, and connecting flap 4, ensures that there are no gaps between the bottom and sides of the main box body 1 after folding. The side plate main body 3, together with the connecting flap 4, forms a side wall structure, thus making the main box body 1 a box structure that can store items. The integrated structure of the base plate main body 2, side plate main body 3, and connecting flap 4 ensures that the packaging box is leak-proof. The first flap 5 and the second flap 6 further enhance the overall sealing of the packaging box. Next, the support block 7 provides stable support for the use of the packaging box. At the same time, the corrugated cardboard main body 9 increases the pressure resistance of the packaging box, and the reinforcing column 10 added inside the corrugated cardboard main body 9 improves the overall stability and load-bearing capacity of the packaging box. A coated paper layer 12 is set on the inner side of the paper inner layer 11. The coated paper layer 12 improves the waterproofness of the packaging box, prevents water stains from penetrating the packaging box, and improves the overall service life and efficiency of the packaging box.

[0024] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A reinforced leakproof packaging box comprising a main box body (1), a bottom plate body (2), a side plate body (3), and a layer of coated paper (12), characterized in that, The main box (1) is provided with a bottom plate body (2) in the middle, and the bottom plate body (2) is provided with side plate bodies (3) on the four sides outside. The side plate bodies (3) are provided with connecting flaps (4) on the two sides outside. The side plate bodies (3) are provided with a first flap (5) on the front side outside. The first flap (5) is provided with a second flap (6) distributed outside. The main box (1) is provided with support blocks (7) at the four corners inside. The main box (1) is provided with a paper outer layer (8) on the outer side inside. The paper outer layer (8) is provided with a corrugated paper body (9) on the inner side. The corrugated paper body (9) is provided with a reinforcing column (10) on the inner side. The corrugated paper body (9) is provided with a paper inner layer (11) on the outer side. The paper inner layer (11) is provided with a coated paper layer (12) on the outer side.

2. The reinforced leakproof packaging box according to claim 1, wherein, The side plate body (3) is symmetrically arranged outside the bottom plate body (2), and the bottom plate body (2) and the side plate body (3) are an integral structure.

3. The reinforced leakproof packaging box of claim 1, wherein, The number of connecting flaps (4) is four, and the four connecting flaps (4) are equidistantly distributed at the four corners of the outer side plate body (3).

4. The reinforced leakproof packaging box of claim 1, wherein, The outer side of the first flip cover (5) and the outer side of the second flip cover (6) are horizontally distributed, and the inner surface of the first flip cover (5) and the outer surface of the second flip cover (6) are closely attached.

5. The reinforced leakproof packaging box of claim 1, wherein, The number of the support blocks (7) is four, and the four support blocks (7) are equidistantly distributed at the four corners inside the main box (1).

6. A reinforced leak-proof packaging box according to claim 1, characterized in that, The corrugated paper body (9) has an inner paper layer (11) and an outer paper layer (8) on its upper and lower sides, respectively, and the corrugated paper body (9) is disposed and confined between the inner paper layer (11) and the outer paper layer (8).

7. The reinforced leakproof packaging box of claim 1, wherein, The reinforcing rods (10) are embedded in the corrugated paper body (9), and the reinforcing rods (10) are equidistantly distributed inside the corrugated paper body (9).

8. The reinforced leakproof packaging box of claim 1, wherein, The outer side of the inner paper layer (11) and the outer side of the coated paper layer (12) are horizontally distributed, and the outer side of the inner paper layer (11) and the outer side of the coated paper layer (12) are closely attached.

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