A moisture-proof carton

Abstract

The utility model belongs to carton technical field, concretely relates to a moistureproof carton, including box and the inner support subassembly of setting in the box, the downside of box is provided with support subassembly, the box is the frame type structure that is integrally cut and is formed and is surrounded through the adhesion, is provided with the turnover cover and the split lap joint board, the split lap joint board is four bottom boards of staggered lap joint, and four bottom boards are integrally connected with the bottom surface of box four all around respectively, has the environmental protection type adhesive between four bottom boards of split lap joint board. The utility model through the cooperation and cooperation of box and inner support subassembly, the sealing performance of box closed state is improved significantly, simultaneously, the combined design of box and support subassembly not only realizes the box bottom suspension isolation, more through the adhesion fixed of support subassembly and the four corners of box, forms the double closed system to the four corners of box, greatly enhances the moistureproof ability of box bottom surface, thereby overall improvement the moistureproof performance of carton.

Description

Technical Field

[0001] This utility model belongs to the field of cardboard box technology, and specifically relates to a moisture-proof cardboard box. Background Technology

[0002] Traditional cardboard boxes currently suffer from significant deficiencies in moisture-proof performance, particularly in high-humidity environments or cold chain transportation. The compressive strength of traditional single-layer corrugated structures decreases considerably in humid conditions, severely impacting stacking stability. Inadequate sealing at the box seams provides a primary channel for moisture penetration. Existing desiccant placement methods are inefficient, leading to uneven humidity distribution within the box. Furthermore, the bottom of the box absorbs moisture significantly when in direct contact with damp surfaces. These issues severely compromise the storage and transportation safety of moisture-sensitive goods such as food, pharmaceuticals, and electronic products. To address these technical bottlenecks, this invention proposes a moisture-proof cardboard box. Utility Model Content

[0003] The purpose of this invention is to provide a moisture-proof cardboard box that can solve the above-mentioned technical problems.

[0004] The specific technical solution adopted by this utility model is as follows: This utility model provides a moisture-proof cardboard box, including a box body and an internal support assembly disposed inside the box body. A support assembly is disposed on the lower side of the box body. The box body is a frame structure integrally cut and formed and glued together. It is provided with a flip-top cover and a splicing overlap plate. The splicing overlap plate consists of four staggered overlapping bottom plates, and the four bottom plates are integrally connected to the four sides of the bottom surface of the box body. An environmentally friendly adhesive is applied between the four bottom plates of the splicing overlap plate. The internal support assembly includes inner corner plates, clamping plates, and side baffles. The inner corner plates are configured as four pieces, which are respectively fixed to the four corners of the box by adhesive. The box is provided with two three-dimensional mesh frames, and both three-dimensional mesh frames are filled with desiccant. The three-dimensional mesh frame is set between two sides of the box that are perpendicular to the flip cover, and is snapped between the side baffle and the inner side of the box. The side baffle is fixedly installed between two inner corner plates that are perpendicular to the side of the flip cover.

[0005] Preferably, the flip cover has vertical side inserts integrally provided on both sides, and the side inserts, after being flipped, form a tight interlocking fit with the three-dimensional mesh frame and the inner side of the box.

[0006] Preferably, the clamping plate is disposed inside the box and fixedly installed on the upper side between the two inner corner plates opposite to the flip cover. A snap-fit ​​plate is tightly inserted between the clamping plate and the inner side of the box, and the snap-fit ​​plate is integrally formed with the flip cover.

[0007] Preferably, the support assembly includes a support frame and four legs. The four legs are fixedly installed at the four outer corners of the support frame. The support frame is fixed to the bottom of the box with environmentally friendly adhesive. The four legs are located at the four outer corners of the lower side of the box.

[0008] Preferably, the support leg has a right-angle bent structure, and its inner side is glued and fixed to the lower corner of the box body with environmentally friendly adhesive.

[0009] Preferably, the two side plates of the support leg are made obtuse at right angles, and the inner side is made into a slope transition to the outer side.

[0010] Preferably, the box body adopts a multi-layer composite structure, consisting of an outer layer, a second outer layer, a middle layer, a second inner layer, and an inner lining layer from the outside to the inside. The materials of each layer are stacked and bonded together with environmentally friendly adhesive to form the whole box body.

[0011] The beneficial effects are: This invention, through the coordinated operation of the box body and the internal support components, can effectively lock the joint area after the flip-top cover is closed, significantly improving the sealing performance of the box body in the closed state. At the same time, the combined design of the box body and the support components not only achieves the bottom of the box body to be suspended and isolated, but also forms a secondary sealing protection for the four corners of the box body by bonding and fixing the support components to the four corners of the box body. This structure, together with the splicing and overlapping plates inside the box body, constitutes a double sealing system, which greatly enhances the moisture-proof capability of the bottom surface of the box body, thereby improving the overall moisture-proof performance of the carton. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a schematic diagram of the explosion distribution structure of this utility model; Figure 3 This is a schematic diagram of the flip-top cover of the box body in the open state of this utility model; Figure 4 This is a schematic diagram of the cross-sectional structure of this utility model; Figure 5 This is a utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0013] The attached diagram lists the components represented by each number as follows: 1. Box body; 1a. Outer layer; 1b. Secondary outer layer; 1c. Middle layer; 1d. Secondary inner layer; 1e. Inner lining layer; 11. Flip-top cover; 12. Side insert plate; 13. Snap-fit ​​plate; 14. Splicing overlap plate; 2. Inner corner plate; 21. Clip plate; 22. Side baffle; 23. Three-dimensional mesh frame; 3. Support frame; 31. Support legs. Detailed Implementation

[0014] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0015] like Figure 1-5 As shown, a moisture-proof cardboard box includes a box body 1 and an internal support assembly disposed inside the box body 1. A support assembly is disposed on the lower side of the box body 1. The box body 1 is a frame structure integrally cut and formed and glued together. It is provided with a flip cover 11 and a splicing overlap plate 14. The splicing overlap plate 14 consists of four staggered overlapping bottom plates, and the four bottom plates are integrally connected to the four sides of the bottom surface of the box body 1. An environmentally friendly adhesive is applied between the four bottom plates of the splicing overlap plate 14. The internal support assembly includes an inner corner plate 2, a clamping plate 21, and a side baffle 22. The inner corner plate 2 is set into four pieces, which are respectively fixed to the four corners of the box 1 by adhesive. Two three-dimensional mesh frames 23 are set inside the box 1, and both three-dimensional mesh frames 23 are filled with desiccant. The three-dimensional mesh frame 23 is set between two sides perpendicular to the flip cover 11 inside the box body 1, and is snapped between the side baffle 22 and the inner side of the box body 1. The side baffle 22 is fixedly installed between two inner corner plates 2 perpendicular to the side of the flip cover 11.

[0016] As an optional implementation, vertical side inserts 12 are integrally provided on both sides of the flip cover 11. After the side inserts 12 are flipped, they form a tight interlocking fit with the three-dimensional mesh frame 23 and the inner side of the box 1, which effectively improves the sealing effect between the two sides of the flip cover and the inner side of the box 1.

[0017] See attached document Figure 2 and attached Figure 4 The clamping plate 21 is set inside the box body 1 and fixedly installed on the upper side between the two inner corner plates 2 opposite to the flip cover 11. The clamping plate 21 and the inner side of the box body 1 are tightly connected with the snap-fit ​​plate 13, and the snap-fit ​​plate 13 is integrally formed with the flip cover 11. In this way, the snap-fit ​​plate 13 can be inserted into the inner side of the box body 1 and form a clamping constraint with the clamping plate 21, which significantly improves the sealing performance of the joint between the flip cover 11 and the box body 1.

[0018] Furthermore, the support components include a support frame 3 and four legs 31. The four legs 31 are fixedly installed at the four outer corners of the support frame 3. The support frame 3 is fixed to the bottom of the box 1 by environmentally friendly adhesive. The four legs 31 are located at the four outer corners of the lower side of the box 1. In this way, the box 1 can be kept suspended from the ground by relying on the legs 31, so as to achieve a preliminary moisture-proof isolation effect.

[0019] Furthermore, the support leg 31 has a right-angle bent structure, and its inner side is glued and fixed to the lower corner of the box 1 with environmentally friendly glue. This allows the support leg 31 and the support frame 3 to form a closed protection for the lower four corners of the box 1, effectively reducing the risk of moisture seeping in from the bottom joint of the box 1.

[0020] Furthermore, the two side panels of the support leg 31 are made obtuse at right angles, and the inner side is made into a beveled transition to the outer side. This allows the support leg 31 to form a stable interlock with the four corners of the carton body 1 when the carton is stacked, ensuring the stability of the stack.

[0021] See attached document Figure 5 The box body 1 adopts a multi-layer composite structure, consisting of an outer layer 1a, a second outer layer 1b, a middle layer 1c, a second inner layer 1d, and an inner lining layer 1e, from the outside to the inside. The materials of each layer are stacked and bonded together with environmentally friendly adhesive to form the whole box body 1. The outer layer 1a is a nano-SiO2 modified PE film (thickness 0.05mm, moisture permeability <5g / m²·24h), the second outer layer 1b is an aluminum foil composite layer with a thickness of 0.03mm, bonded by hot melt adhesive dot matrix, the middle layer 1c is a hydrophobic modified corrugated base paper (contact angle >120°), the second inner layer 1d is vapor phase rust inhibitor paper (made with VCI slow release technology), and the inner lining layer 1e is a food-grade PE film (grammage 12g / m²).

[0022] Using the above structure, the one-piece molded box 1 is first unfolded, and the four bottom plates of the splicing and overlapping plate 14 are glued together with environmentally friendly glue to form a sealed bottom surface; then, the inner corner plates 2 are glued and fixed at the four corners of the box 1, and the side baffles 22 are installed at the designated positions; the three-dimensional mesh frame 23 filled with desiccant is inserted into the designed position between the side baffles 22 and the inner side of the box 1; the flip cover 11 is tightly inserted with the clamping plate 21 on the inner side of the box 1 through the one-piece molded snap-fit ​​plate 13, and at the same time, the side insert plate 12 is tightly fitted with the three-dimensional mesh frame 23 and the inner wall of the box 1; the support components are installed by gluing and fixing the legs 31 to the four corners of the box 1. After assembly, the box 1 forms multiple moisture-proof barriers: the bottom splicing and overlapping plate 14 and the support frame 3 form the first moisture-proof layer, and the suspended structure formed by the support legs 31 blocks ground moisture; the internal support components ensure the structural stability of the box 1; the desiccant in the three-dimensional mesh frame 23 evenly regulates the humidity inside the box; the multi-layer composite box 1 structure effectively blocks the penetration of external water vapor; and the precision sealing system of the flip cover 11 prevents moisture from entering from the top.

[0023] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part all adopt conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. This application is mainly used to protect mechanical devices. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, are implemented according to conventional methods in the field.

Claims

1. A moisture-proof cardboard box, characterized in that: Includes a box body (1) and an internal support assembly set inside the box body (1). The box body (1) is provided with a support assembly on its lower side. The box body (1) is a frame structure formed by integral cutting and bonding. It is provided with a flip cover (11) and a splicing overlap plate (14). The splicing overlap plate (14) consists of four staggered overlapping bottom plates, and the four bottom plates are integrally connected to the bottom surface of the box body (1) around the perimeter. The four bottom plates of the splicing overlap plate (14) are coated with an environmentally friendly adhesive. The internal support assembly includes an inner corner plate (2), a clamping plate (21), and a side baffle (22). The inner corner plate (2) is set as four pieces, which are respectively fixed to the four corners of the box (1) by adhesive. The box (1) is provided with two three-dimensional mesh frames (23), and both three-dimensional mesh frames (23) are filled with desiccant. The three-dimensional mesh frame (23) is set between two sides perpendicular to the flip cover (11) inside the box (1) and is snapped between the side baffle (22) and the inner side of the box (1). The side baffle (22) is fixedly installed between two inner corner plates (2) perpendicular to the side of the flip cover (11).

2. A moisture-proof cardboard box according to claim 1, characterized in that: The flip cover (11) has vertical side inserts (12) integrally provided on both sides. After the side inserts (12) are flipped, they form a tight insertion fit with the three-dimensional mesh frame (23) and the inner side of the box (1).

3. A moisture-proof cardboard box according to claim 2, characterized in that: The clamping plate (21) is set inside the box (1) and fixedly installed on the upper side between the two inner corner plates (2) opposite to the flip cover (11). The clamping plate (21) and the inner side of the box (1) are tightly connected with a buckle plate (13), and the buckle plate (13) and the flip cover (11) are integrally formed.

4. A moisture-proof cardboard box according to claim 3, characterized in that: The support assembly includes a support frame (3) and four legs (31). The four legs (31) are fixedly installed at the four outer corners of the support frame (3). The support frame (3) is fixed to the bottom of the box (1) by environmentally friendly glue. The four legs (31) are located at the four outer corners of the lower side of the box (1).

5. A moisture-proof cardboard box according to claim 4, characterized in that: The support leg (31) is a right-angle bent structure, and its inner side is glued and fixed to the lower corner of the box body (1) by environmentally friendly glue.

6. A moisture-proof cardboard box according to claim 5, characterized in that: The two side plates of the support leg (31) are made obtuse at right angles, and the inner side is made into a slope transition to the outer side.

7. A moisture-proof cardboard box according to claim 6, characterized in that: The box (1) adopts a multi-layer composite structure, consisting of an outer layer (1a), a second outer layer (1b), a middle layer (1c), a second inner layer (1d), and an inner lining layer (1e) from the outside to the inside. The materials of each layer are stacked and bonded together with environmentally friendly glue to form the whole box (1).

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