Moistureproof paper-plastic packaging box
By designing structures such as grooves, hinged doors, clamping posts, and rotating plates in the paper-plastic packaging boxes, the problems of paper-plastic packaging boxes easily collapsing and doors loosening during transportation and palletizing are solved, and the box body is secured Stable palletizing and moisture-proof effects are improved.
Patent Information
- Application Number
- CN202421321612.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-06-12
AI Technical Summary
Existing paper-plastic packaging boxes are prone to collapse during transportation and palletization and lack a stable fixing method, resulting in loose doors and poor moisture-proof effects.
A moisture-proof paper-plastic packaging box is designed, which adopts structures such as grooves, hinged doors, clamping columns, chutes, rotating plates and scroll springs. The rotation of the rotating plate drives the clamping blocks and clamping columns to connect to ensure that the box Stable palletizing, and the door sealing is enhanced through the slot and card plate structure.
It achieves the stability and pressure resistance of the box during transportation and palletizing, prevents the box door from loosening, enhances the moisture-proof effect, and ensures the safety and dryness of the packaging.
Smart Images

Figure CN222373438U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of paper-plastic packaging boxes, in particular to a moisture-proof paper-plastic packaging box. Background Art
[0002] Paper-plastic packaging box is a packaging box made of cardboard and plastic film. It combines the advantages of carton and plastic packaging. It has both the rigidity and stability of carton and the moisture-proof, waterproof and durability of plastic packaging. It is suitable for packaging and transportation of various products. The main structure of the paper-plastic packaging box is a box body made of cardboard, covered with a layer of plastic film inside, which can effectively prevent the box body from getting damp and water penetration. Plastic corners can also be reinforced around the box body to increase the stability and pressure resistance of the box body. Paper-plastic packaging boxes are widely used in various industries such as food, electronic products, and daily necessities. Its advantages include: light, environmentally friendly, impact-resistant, waterproof, moisture-proof, reusable, etc. In addition, paper-plastic packaging boxes can also be customized according to the size and shape of different products to provide better packaging and protection.
[0003] Most existing paper-plastic packaging boxes are stacked during transportation and palletizing, which can easily cause the packaging boxes to collapse during transportation or when encountering a collision. However, existing packaging boxes do not have a good fixing method when palletizing and are not stable enough. Summary of the invention
[0004] The purpose of the utility model is to provide a moisture-proof paper-plastic packaging box to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a moisture-proof paper-plastic packaging box, comprising a moisture-proof paper-plastic board box body, a groove is provided on the side of the moisture-proof paper-plastic board box body, a box door is hinged on the top surface of the moisture-proof paper-plastic board box body, and a connecting part is provided inside the moisture-proof paper-plastic board box body, and the connecting part includes:
[0006] A clamping column, the bottom surface of which is fixedly connected to the top surface of the box door, the slide groove limits the slider, so that when the slide rod slides along the interference groove, the slider slides along the slide groove, the top surface of the box door is fixedly connected with the interference rod, and the bottom surface of the moisture-proof paper plastic board box body is provided with a connecting hole;
[0007] A fixed plate, the fixed plate is fixedly connected to the inner side of the connecting hole, a sliding groove is provided on the surface of the fixed plate, a slider is slidably connected to the inner side of the sliding groove, when the rotating plate rotates, it will contact the sliding rod through the contact groove, and then the sliding rod will slide along the contact groove, the bottom surface of the slider is fixedly connected to the L-shaped block, and the top surface of the slider is fixedly connected to the sliding rod;
[0008] A rotating plate, the bottom surface of which is rotatably connected to the top surface of the fixed plate, the rotating plate passes through and is fixedly connected with a rotating ring, the rotating ring passes through the inner side of the connecting hole and is rotatably connected, a resistance groove is provided on the surface of the rotating plate, and a resistance block is fixedly connected to the bottom surface of the rotating plate, and the upper moisture-proof paper and plastic board box body is lowered, so that the resistance rod fixedly connected to the top surface of the box door of the lower moisture-proof paper and plastic board box body is resisted against the inclined surface of the resistance block, so that the resistance block drives the rotating plate to rotate.
[0009] Preferably, a cylinder is fixedly connected to the top surface of the rotating plate, a volute spring is fixedly connected to the surface of the cylinder, and one end of the volute spring away from the cylinder is fixedly connected to the inner side of the connecting hole.
[0010] Preferably, a latch hole is provided on the side of the rotating ring, which drives the rotating ring to rotate together when the rotating plate rotates, thereby preventing the rotating ring from rotating back and releasing the limit.
[0011] Preferably, a card block passes through the inner side of the connecting hole, and an elastic rope is fixedly connected to the end of the card block away from the rotating ring, and a pulling block is fixedly connected to the end of the elastic rope away from the card block. The rotation of the rotating plate will drive the scroll spring to contract through the cylinder, and the pulling block will be pulled when contacting the stacking, and the card block will be pulled out through the elastic rope, and the rotating plate will be reset by the tightened scroll spring.
[0012] Preferably, the slide bar passes through the interference groove, and the slide bar is slidably connected to the interference groove. When the rotating plate rotates, it will interfere with the slide bar through the interference groove, and then the slide bar will slide along the interference groove.
[0013] Preferably, a card slot is provided on the surface of the box door, and a card plate is fixedly connected to the inner side of the card slot. The items to be packaged are placed in the moisture-proof paper-plastic board box, and the box door is closed so that the card plates in the card slots of the symmetrical box doors are engaged with each other, making the symmetrical box door seal more firmly and preventing the box door from loosening during stacking and transportation.
[0014] Compared with the prior art, the utility model provides a moisture-proof paper-plastic packaging box, which has the following beneficial effects:
[0015] 1. For the moisture-proof paper-plastic packaging box, when the rotating plate rotates, it will contact the sliding rod through the contact groove, and then the sliding rod will slide along the contact groove. At the same time, the slider is located in the slide groove, so that the slide groove limits the slider, so that when the slide rod slides along the contact groove, the slider slides along the slide groove, and then the slider drives the L-shaped block to clamp the top edge of the clamping column, thereby completing the connection. At the same time, when the rotating plate rotates, it will drive the rotating ring to rotate together. After the rotating ring rotates a certain distance, the clamping block will be embedded in the clamping hole to prevent the rotating ring from rotating back and releasing the limit. The moisture-proof paper-plastic board boxes can be stacked more firmly by simply placing and stacking them.
[0016] 2. For the moisture-proof paper-plastic packaging box, open the box door, place the items to be packaged into the moisture-proof paper-plastic board box, close the box door, and make the cardboards in the card slots of the symmetrical box doors engage with each other, so that the symmetrical box door seals more firmly, preventing the box door from loosening during stacking and transportation. The moisture-proof paper-plastic board can also effectively prevent moisture from entering the moisture-proof paper-plastic board box. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the utility model;
[0019] Figure 3 It is a schematic diagram of a partially enlarged structure of the top surface of the utility model;
[0020] Figure 4 It is a schematic diagram of the partially enlarged structure of the bottom surface of the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the connection part of the utility model;
[0022] Figure 6 This is a schematic diagram of the top surface structure of the rotating plate of the utility model;
[0023] Figure 7 This is a schematic diagram of the expanded structure of the connection part of the utility model.
[0024] In the figure: 1. moisture-proof paper plastic board box; 2. connecting part; 21. clamping column; 22. resistance rod; 23. connecting hole; 24. fixing plate; 25. slide groove; 26. slider; 27. L-shaped clamping block; 28. slide rod; 29. rotating plate; 210. rotating ring; 211. resistance groove; 212. resistance block; 213. cylinder; 214. volute spring; 215. clamping hole; 216. clamping block; 217. elastic rope; 218. pull block; 219. clamping groove; 220. clamping plate; 3. groove; 4. box door. DETAILED DESCRIPTION
[0025] like Figure 1-Figure 7 As shown, the utility model provides a technical solution: a moisture-proof paper-plastic packaging box, including a moisture-proof paper-plastic board box body 1, a groove 3 is opened on the side of the moisture-proof paper-plastic board box body 1, a box door 4 is hinged on the top surface of the moisture-proof paper-plastic board box body 1, and a connecting part 2 is arranged inside the moisture-proof paper-plastic board box body 1, and the connecting part 2 includes: a clamping column 21, a resistance rod 22, a connecting hole 23, a fixing plate 24, a sliding groove 25, a slider 26, an L-shaped clamping block 27, a sliding rod 28, a rotating plate 29, a rotating ring 210, a resistance groove 211, a resistance block 212, a cylinder 213, a volute spring 214, a clamping hole 215, a clamping block 216, an elastic rope 217, a pull block 218, a clamping groove 219, and a clamping plate 220.
[0026] The bottom surface of the card column 21 is fixedly connected to the top surface of the box door 4, and the slide groove 25 limits the slider 26, so that when the slide bar 28 slides along the interference groove 211, the slider 26 slides along the slide groove 25, and then the slider 26 drives the L-shaped block 27 to clamp the top edge of the card column 21, and the top surface of the box door 4 is fixedly connected with the interference rod 22. The bottom surface of the moisture-proof paper plastic board box body 1 is provided with a connecting hole 23, and the fixing plate 24 is fixedly connected to the inner side of the connecting hole 23. The surface of the fixing plate 24 is provided with a slide groove 25, and the inner side of the slide groove 25 is slidably connected with the slider 26. When the rotating plate 29 rotates, it will contact the slide bar 28 through the interference groove 211, and then the slide bar 28 will slide along the interference groove 211. At the same time, the slider 26 is located in the slide groove 25, so that the slide groove 25 can limit the slider 26. The bottom surface of the slider 26 is fixedly connected with an L-shaped card block 27, the top surface of the slider 26 is fixedly connected with a slide bar 28, the bottom surface of the rotating plate 29 is rotatably connected with the top surface of the fixed plate 24, the rotating plate 29 passes through and is fixedly connected with a rotating ring 210, the rotating ring 210 passes through the inner side of the connecting hole 23 and is rotatably connected, the surface of the rotating plate 29 is provided with a resistance groove 211, and the bottom surface of the rotating plate 29 is fixedly connected with a resistance block 212. When stacking the moisture-proof paper and plastic board box bodies 1, a group of connection holes 23 on the bottom surface of the moisture-proof paper and plastic board box bodies 1 are aligned with the card column 21, and the upper moisture-proof paper and plastic board box body 1 is lowered, so that the resistance rod 22 fixedly connected to the top surface of the box door 4 of the lower moisture-proof paper and plastic board box body 1 is abutted against the inclined surface of the resistance block 212, so that the resistance block 212 drives the rotating plate 29 to rotate. The top surface of the rotating plate 29 is fixedly connected with a cylinder 213, and the surface of the cylinder 213 is fixedly connected with a spiral spring 214, and the end of the spiral spring 214 away from the cylinder 213 is fixedly connected to the inner side of the connecting hole 23. A clamping hole 215 is provided on the side of the rotating ring 210, and when the rotating plate 29 rotates, the rotating ring 210 will be driven to rotate together. After the rotating ring 210 rotates a certain distance, the clamping block 216 will be embedded in the clamping hole 215 to prevent the rotating ring 210 from rotating back and releasing the limit. A clamping block 216 runs through the inner side of the connecting hole 23, and the end of the clamping block 216 away from the rotating ring 210 is fixedly connected with an elastic rope 217, and the end of the elastic rope 217 away from the clamping block 216 is fixedly connected with a pull block 218. The slide bar 28 penetrates the abutment groove 211, and the slide bar 28 is slidably connected with the abutment groove 211. When the rotating plate 29 rotates, it will abut the slide bar 28 through the abutment groove 211, and then the slide bar 28 will slide along the abutment groove 211. A card slot 219 is provided on the surface of the box door 4, and a card plate 220 is fixedly connected to the inner side of the card slot 219. The items to be packaged are placed in the moisture-proof paper plastic board box body 1, and the box door 4 is closed, so that the card plates 220 in the card slots 219 of the symmetrical box doors 4 are mutually engaged, so that the symmetrical box doors 4 are more firmly sealed to prevent the box doors 4 from loosening during stacking and transportation.
[0027] Based on the above embodiment, when stacking the moisture-proof paper and plastic board boxes 1, align the connection holes 23 on the bottom surfaces of a group of moisture-proof paper and plastic board boxes 1 with the clamping columns 21, and put down the upper moisture-proof paper and plastic board boxes 1, so that the resistance rod 22 fixedly connected to the top surface of the box door 4 of the lower moisture-proof paper and plastic board boxes 1 is in contact with the inclined surface of the resistance block 212, so that the resistance block 212 drives the rotating plate 29 to rotate, and when the rotating plate 29 rotates, it will resist the sliding rod 28 through the resistance groove 211, and then the sliding rod 28 will slide along the resistance groove 211, and at the same time, the slider 26 is located in the slide groove 25, so that the slide groove 2 5, the slider 26 is limited, so that when the slide bar 28 slides along the abutment groove 211, the slider 26 slides along the slide groove 25, and then the slider 26 drives the L-shaped clamping block 27 to clamp the top edge of the clamping column 21, thereby completing the connection. At the same time, when the rotating plate 29 rotates, it drives the rotating ring 210 to rotate together. After the rotating ring 210 rotates a certain distance, the clamping block 216 will be embedded in the clamping hole 215 to prevent the rotating ring 210 from rotating back and releasing the limit. By simply placing and stacking the moisture-proof paper plastic board box body 1, the moisture-proof paper plastic board box body 1 can be made more secure when stacking.
[0028] Open the box door 4, place the items to be packaged into the moisture-proof paper-plastic board box 1, cover the box door 4, and make the card plates 220 in the card slots 219 of the symmetrical box doors 4 engage with each other, so that the symmetrical box doors 4 are sealed more firmly to prevent the box doors 4 from loosening during stacking and transportation.
[0029] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A moisture-proof paper-plastic packaging box, comprising a moisture-proof paper-plastic board box body (1), characterized in that: A groove (3) is provided on the side of the moisture-proof paper-plastic board box (1), a box door (4) is hinged on the top surface of the moisture-proof paper-plastic board box (1), and a connecting part (2) is provided inside the moisture-proof paper-plastic board box (1), and the connecting part (2) comprises: A clamping column (21), the bottom surface of the clamping column (21) being fixedly connected to the top surface of the box door (4), the top surface of the box door (4) being fixedly connected to a resisting rod (22), and a connecting hole (23) being provided on the bottom surface of the moisture-proof paper-plastic board box body (1); A fixing plate (24), the fixing plate (24) being fixedly connected to the inner side of the connecting hole (23), a sliding groove (25) being provided on the surface of the fixing plate (24), a sliding block (26) being slidably connected to the inner side of the sliding groove (25), an L-shaped clamping block (27) being fixedly connected to the bottom surface of the sliding block (26), and a sliding rod (28) being fixedly connected to the top surface of the sliding block (26); A rotating plate (29), wherein the bottom surface of the rotating plate (29) is rotatably connected to the top surface of the fixed plate (24), the rotating plate (29) penetrates and is fixedly connected to a rotating ring (210), the rotating ring (210) penetrates the inner side of the connecting hole (23) and is rotatably connected, a surface of the rotating plate (29) is provided with a resistance groove (211), and the bottom surface of the rotating plate (29) is fixedly connected to a resistance block (212).
2. A moisture-proof paper-plastic packaging box according to claim 1, characterized in that: The top surface of the rotating plate (29) is fixedly connected to a cylinder (213), the surface of the cylinder (213) is fixedly connected to a volute spring (214), and one end of the volute spring (214) away from the cylinder (213) is fixedly connected to the inner side of the connecting hole (23).
3. A moisture-proof paper-plastic packaging box according to claim 1, characterized in that: A clamping hole (215) is provided on the side of the rotating ring (210).
4. A moisture-proof paper-plastic packaging box according to claim 1, characterized in that: A clamping block (216) passes through the inner side of the connection hole (23); an end of the clamping block (216) away from the rotating ring (210) is fixedly connected to an elastic rope (217); and an end of the elastic rope (217) away from the clamping block (216) is fixedly connected to a pulling block (218).
5. The moisture-proof paper-plastic packaging box according to claim 1, characterized in that: The sliding rod (28) passes through the abutment groove (211), and the sliding rod (28) is slidably connected to the abutment groove (211).
6. A moisture-proof paper-plastic packaging box according to claim 1, characterized in that: A card slot (219) is provided on the surface of the box door (4), and a card plate (220) is fixedly connected to the inner side of the card slot (219).