Foldable express packaging box with moisture-proof function

CN224882649UActive Publication Date: 2026-10-23MAISHENG PACKAGING TECH (WUHAN) CO LTD
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Patent Information

Application Number
CN202521335167.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-27
Publication Date
2026-10-23
Estimated Expiration
2035-06-27

AI Technical Summary

Technical Problem

例如,一些包装箱在堆放或运输过程中容易变形,导致箱内物品受损;而一些包装箱虽然结构稳固,但操作复杂,不便于快速开启和关闭

Benefits of technology

[0014]由上可知。本实用新型提供的一种具有防潮功能的可折叠快递包装箱具有以下的技术效果。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a collapsible express packaging box with moisture-proof function relates to packaging box technical field, including packaging box body, the packaging box body is including first box and second box, the first box is fixedly connected with annular rubber ring between second box, the first box and second box are all cylindrical structure, and the inside diameter of first box is greater than the outside diameter of second box, the bottom fixed setting of first box has moisture-proof base. The utility model discloses collapsible nature improves space utilization, and the packaging box adopts collapsible design, can greatly reduce the volume when not using, is convenient for storage and transportation, has improved space utilization. The packaging box combines moisture-proof, steady, easily operated, support protection and collapsible and multiple advantages, is applicable to the packaging demand of various express articles, especially can significantly improve the protection effect of article under the humid environment, reduces the loss due to damp.
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Description

Technical Field

[0001] This utility model relates to the field of packaging box technology, and in particular to a foldable express packaging box with moisture-proof function. Background Technology

[0002] In the express delivery and logistics industry, packaging boxes are crucial for ensuring the safe and undamaged transport of goods. However, traditional express packaging boxes are significantly inadequate in terms of moisture protection, especially in humid environments. These boxes easily absorb moisture, leading to dampness, mold, and even damage to the items inside. This not only affects the quality of the delivered goods but also increases the risk of loss and damage during transportation.

[0003] Traditional packaging boxes also have certain problems in terms of structural stability and ease of operation. For example, some packaging boxes are prone to deformation during stacking or transportation, resulting in damage to the items inside; while some packaging boxes, although structurally stable, are complicated to operate and not convenient to open and close quickly.

[0004] To address the above issues, we designed a courier packaging box that is moisture-proof, easy to operate, structurally stable, and reusable. Utility Model Content

[0005] This utility model discloses a foldable express delivery packaging box with moisture-proof function, which can improve space utilization and reduce packaging costs. The structural design of the packaging box should take into account the ease of operation, ensuring that users can easily open and close the packaging box to meet the actual needs of the express logistics industry.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A foldable express packaging box with moisture-proof function includes a packaging box body, the packaging box body includes a first box body and a second box body, the first box body and the second box body are fixedly connected by an annular rubber ring, the first box body and the second box body are both cylindrical structures, and the inner diameter of the first box body is larger than the outer diameter of the second box body.

[0007] A moisture-proof base is fixedly installed at the bottom of the first box, a top cover is installed at the top opening of the second box, a first positioning component is installed between the second box and the top cover, and a second positioning component is installed between the first box and the top cover.

[0008] In a preferred embodiment, the first positioning component includes two symmetrically arranged limiting blocks at the top of the second housing. Each limiting block has a rectangular mounting groove on both sides, and a limiting stop is slidably arranged on the inner wall of the rectangular mounting groove. The surface of the top cover has two limiting holes that match the limiting blocks, and the limiting blocks are inserted into the inner wall of the limiting holes.

[0009] In a preferred embodiment, a reset spring is provided inside the rectangular mounting groove. One end of the reset spring is fixedly connected to the surface of the limiting block, and the other end of the reset spring is fixedly connected to the inner wall of the rectangular mounting groove.

[0010] In a preferred embodiment, the second positioning component includes two L-shaped blocks symmetrically and fixedly connected to the side of the top cover. The surface of the L-shaped blocks is provided with a limiting groove, the inner wall of the limiting groove is slidably provided with a positioning protrusion, and a compression spring is provided inside the limiting groove. One end of the compression spring is fixedly connected to the surface of the positioning protrusion, and the other end of the compression spring is fixedly connected to the inner wall of the limiting groove.

[0011] In a preferred embodiment, the second positioning component further includes a fixing shell fixedly connected to both sides of the first housing. The fixing shell has anti-disengagement holes on its side. The size of the anti-disengagement holes matches the positioning protrusions. The size of the fixing shell matches the L-shaped locking block. The L-shaped locking block can be inserted into the interior of the fixing shell.

[0012] In a preferred embodiment, a support frame is placed on the inner bottom wall of the first box, the surface of the support frame is provided with a plurality of drainage holes, and two support plates are fixedly installed on the lower surface of the support frame.

[0013] In a preferred embodiment, the annular rubber ring is made of TPU elastomer rubber, and the outer layer of the packaging box is coated with a micron-level hydrophobic coating.

[0014] As can be seen from the above, the foldable express packaging box with moisture-proof function provided by this utility model has the following technical effects.

[0015] Firstly, the moisture-proof performance is improved. The outer layer of the packaging box is coated with a micron-level hydrophobic coating, which can effectively block external moisture from entering and keep the items inside the box dry. The ring-shaped rubber ring (made of TPU elastomer rubber) enhances the seal between the first and second boxes, further preventing moisture penetration.

[0016] Secondly, the structure is robust and easy to operate. The design of the first and second positioning components ensures that the top cover can be firmly fixed to the second and first boxes, guaranteeing the stability of the packaging box during transportation. Components such as limit blocks, limit stops, L-shaped locking blocks, and positioning protrusions achieve automatic positioning and locking through springs, making operation simple and quick.

[0017] Thirdly, the foldable design improves space utilization. The packaging box features a foldable design, which greatly reduces its volume when not in use, facilitating storage and transportation and improving space utilization. This packaging box combines multiple advantages such as moisture resistance, stability, ease of operation, support and protection, and foldability, making it suitable for the packaging needs of various express delivery items. In particular, it can significantly improve the protection of items in humid environments and reduce losses caused by moisture.

[0018] Fourthly, the support and protection functions are enhanced. The support frame placed on the bottom wall of the first box and its surface drainage holes not only provide additional support but also effectively drain water from the box, protecting the contents from moisture damage. The support plate below the support frame further enhances the overall load-bearing capacity and stability of the packaging box. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is a top view of the structure of this utility model.

[0021] Figure 3 This is a schematic diagram of the folded orthogonal section structure of this utility model.

[0022] Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle.

[0023] Figure 5 This is a schematic diagram of the rear view of the folded structure of this utility model.

[0024] Figure 6 for Figure 5 Enlarged structural diagram at point B.

[0025] In the attached diagram: 1. Packaging box body; 2. First positioning component; 3. Second positioning component; 4. Support frame; 5. Drainage hole; 102. First box body; 103. Second box body; 104. Moisture-proof base; 105. Top cover; 106. Annular rubber ring; 202. Limiting insert; 203. Rectangular mounting slot; 204. Limiting stop; 205. Limiting hole; 206. Return spring; 301, L-shaped locking block; 302, limiting groove; 303, positioning protrusion; 304, compression spring; 305, fixing shell; 306, anti-disengagement locking hole. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Reference Figures 1 to 6 A foldable express packaging box with moisture-proof function is disclosed in this embodiment. The packaging box body 1 is mainly composed of a first box body 101 and a second box body 102, both of which have a cylindrical structure and a unique connection method. The inner diameter of the first box body 101 is larger than the outer diameter of the second box body 102. This design allows the second box body 102 to be nested inside the first box body 101, thereby achieving compactness and stability of the packaging.

[0028] A ring-shaped rubber ring 105 is fixedly connected between the first housing 101 and the second housing 102. This ring-shaped rubber ring 105 is made of TPU elastomer rubber, which not only has good elasticity but also effectively isolates moisture, enhancing the sealing performance of the housing. When the first housing 101 and the second housing 102 are tightly fitted together, the ring-shaped rubber ring 105 fills the tiny gaps between them, preventing moisture and dust from entering the housing.

[0029] In addition, a moisture-proof base 103 is fixedly installed at the bottom of the first box 101. The moisture-proof base 103 is made of waterproof material, which can effectively isolate ground moisture and further protect the items inside the box from moisture. The top opening of the second box 102 is provided with a top cover 104. The design of the top cover 104 is convenient to open and close, and can also ensure the integrity of the box.

[0030] To ensure that the top cover 104 can be securely fixed to the second housing 102 and the first housing 101, this embodiment includes a first positioning component 2 and a second positioning component 3. It is worth noting that the first positioning component 2 mainly includes two symmetrically arranged limiting blocks 201 at the top of the second housing 102. Each limiting block 201 has a rectangular mounting groove 202 on both sides, and a limiting stop 203 is slidably arranged on the inner wall of the rectangular mounting groove 202. When the top cover 104 needs to be fixed to the second housing 102, the limiting blocks 201 will be inserted into the two limiting holes 204 opened on the surface of the top cover 104. At this time, the limiting stop 203 will automatically pop out under the action of the return spring 205, and lock the edge of the limiting hole 204, thereby preventing the top cover 104 from accidentally falling off.

[0031] One end of the return spring 205 is fixedly connected to the surface of the limit block 203, and the other end is fixedly connected to the inner wall of the rectangular mounting groove 202. This design allows the limit block 203 to automatically return to its initial position when no external force is applied, which is both convenient for operation and ensures reliable fixation. It is worth noting that the design of the second positioning component 3 is more complex. It mainly includes two symmetrically fixed L-shaped locking blocks 301 fixedly connected to the side of the top cover 104. The surface of the L-shaped locking block 301 has a limiting groove 302, and a positioning protrusion 303 is slidably disposed on the inner wall of the limiting groove 302. The positioning protrusion 303 is connected to the inner wall of the limiting groove 302 by a compression spring 304. When the top cover 104 needs to be fixed to the first housing 101, the L-shaped locking block 301 will insert into the fixing shells 305 fixedly connected to both sides of the first housing 101. At this time, the positioning protrusion 303 will automatically pop out under the action of the compression spring 304 and lock into the anti-disengagement locking hole 306 opened on the side of the fixing shell 305, thereby achieving a firm connection between the top cover 104 and the first housing 101.

[0032] It is worth noting that a support frame 4 is placed on the inner bottom wall of the first box 101. The design of the support frame 4 not only provides additional support but also effectively protects the items inside the box from damage. Several drainage holes 5 are provided on the surface of the support frame 4. The function of these drainage holes 5 is to quickly drain water when water accumulates inside the box, preventing the items from being damaged by prolonged immersion in water.

[0033] In addition, two support plates are fixedly installed on the lower surface of the support frame 4. These two support plates further enhance the load-bearing capacity and stability of the entire packaging box, making it less prone to deformation or damage during stacking or transportation.

[0034] In addition to the structural design mentioned above, this embodiment also employs two important technologies to enhance the practicality and convenience of the packaging box, including a moisture-proof coating and a foldable design. It's worth noting that the outer layer of the packaging box is coated with a micron-level hydrophobic coating. This coating effectively prevents external moisture from penetrating, keeping the contents dry even when the box is exposed to a humid environment for extended periods. This coating significantly enhances the moisture-proof performance of the packaging box, making it more suitable for express delivery in various harsh weather conditions. Finally, it's worth mentioning that the packaging box in this embodiment also features a foldable design. When not in use, the box can be folded up, significantly reducing its volume and facilitating storage and transportation. This design not only improves space utilization but also reduces packaging costs, making the packaging box more competitive in the market.

[0035] In summary, the foldable express delivery packaging box with moisture-proof function in this embodiment achieves significant improvements in moisture-proof performance, structural stability, and support and protection functions through multiple innovative designs and technological applications. Simultaneously, the foldable design greatly improves space utilization and packaging cost-effectiveness. This packaging box is not only suitable for the packaging needs of various express delivery items, but also significantly enhances the protection of goods in humid environments, reducing losses caused by moisture. Therefore, this packaging box has broad market application prospects and significant socio-economic benefits.

[0036] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. A foldable express packaging box with moisture-proof function, comprising a packaging box body (1), characterized in that, The packaging box body (1) includes a first box body (101) and a second box body (102). An annular rubber ring (105) is fixedly connected between the first box body (101) and the second box body (102). Both the first box body (101) and the second box body (102) are cylindrical structures, and the inner diameter of the first box body (101) is larger than the outer diameter of the second box body (102). A moisture-proof base (103) is fixedly installed at the bottom of the first box (101), a top cover (104) is installed at the top opening of the second box (102), and a first positioning component (2) is installed between the second box (102) and the top cover (104), and a second positioning component (3) is installed between the first box (101) and the top cover (104).

2. A foldable express packaging box with moisture-proof function according to claim 1, characterized in that, The first positioning component (2) includes two symmetrically arranged limiting blocks (201) at the top of the second housing (102). Each limiting block (201) has a rectangular mounting groove (202) with a corresponding position on both sides. A limiting stop (203) is slidably arranged on the inner wall of the rectangular mounting groove (202). The surface of the top cover (104) has two limiting holes (204) that match the limiting blocks (201). The limiting blocks (201) are inserted and installed on the inner wall of the limiting holes (204).

3. A foldable express packaging box with moisture-proof function according to claim 2, characterized in that, A reset spring (205) is provided inside the rectangular mounting groove (202). One end of the reset spring (205) is fixedly connected to the surface of the limiting block (203), and the other end of the reset spring (205) is fixedly connected to the inner wall of the rectangular mounting groove (202).

4. A foldable express packaging box with moisture-proof function according to claim 1, characterized in that, The second positioning component (3) includes two L-shaped locking blocks (301) symmetrically fixedly connected to the side of the top cover (104). The surface of the L-shaped locking block (301) is provided with a limiting groove (302). The inner wall of the limiting groove (302) is slidably provided with a positioning protrusion (303). A compression spring (304) is provided inside the limiting groove (302). One end of the compression spring (304) is fixedly connected to the surface of the positioning protrusion (303), and the other end of the compression spring (304) is fixedly connected to the inner wall of the limiting groove (302).

5. A foldable express packaging box with moisture-proof function according to claim 4, characterized in that, The second positioning component (3) also includes a fixed shell (305) fixedly connected to both sides of the first housing (101). The fixed shell (305) has anti-disengagement holes (306) on its side. The size of the anti-disengagement holes (306) matches the positioning protrusion (303). The size of the fixed shell (305) matches the L-shaped locking block (301). The L-shaped locking block (301) can be inserted into the interior of the fixed shell (305).

6. A foldable express packaging box with moisture-proof function according to claim 1, characterized in that, The inner bottom wall of the first box (101) is provided with a support frame (4), the surface of the support frame (4) is provided with a number of drainage holes (5), and two support plates are fixedly provided on the lower surface of the support frame (4).

7. A foldable express packaging box with moisture-proof function according to claim 1, characterized in that, The material of the annular rubber ring (105) is TPU elastomer rubber, and the outer layer of the packaging box body (1) is coated with a micron-level hydrophobic coating.