Moisture-proof self-sealing bag

By designing a clamping structure and adding a desiccant to the self-sealing bag, the problem of the self-sealing strip being easily opened and causing the items to get damp is solved, thus achieving the moisture-proof effect of the self-sealing bag.

CN224131743UActive Publication Date: 2026-04-17QINGDAO WEST COAST CAIYOUQI PACKAGING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO WEST COAST CAIYOUQI PACKAGING MATERIALS CO LTD
Filing Date
2025-03-27
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The resealable strips of existing self-sealing bags are easily opened by external force, causing the contents of the bag to become damp.

Method used

A clamping structure was designed between the first and second clamping strips to prevent the self-sealing strip from opening on its own through clamping force, and a desiccant bag was placed inside the self-sealing bag to improve the moisture-proof effect.

Benefits of technology

Effectively prevents items inside the self-sealing bag from getting damp, maintains a seal through clamping force, and further enhances moisture-proof performance with the use of desiccant.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a moisture-proof self-sealing bag, which belongs to the technical field of self-sealing bags and comprises a self-sealing bag body and a self-sealing strip arranged at the port of the self-sealing bag body, and a first clamping strip and a second clamping strip are respectively arranged on two sides of the self-sealing strip. The portions, corresponding to the self-sealing strip, of the first clamping strip and the second clamping strip are provided with open grooves, the protruding portions on the first clamping strip and the second clamping strip abut against the self-sealing strip, a clamping block is integrally formed at the end of the first clamping strip, and the side wall, away from the second clamping strip, of the clamping block is provided with a clamping groove. A connecting piece is integrally formed at the end of the second clamping strip, a positioning hole clamped with the clamping groove is formed in the connecting piece, the self-sealing strip can be effectively prevented from being automatically opened through clamping force between the first clamping strip and the second clamping strip, and then articles contained in the self-sealing bag body can be effectively prevented from being affected with damp.
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Description

Technical Field

[0001] This utility model relates to the field of self-sealing bag technology, and more specifically, to a moisture-proof self-sealing bag. Background Technology

[0002] Resealable zipper bags (also known as tight-fitting bags, including zipper bags, resealable bags, and chain bags) are made of polyethylene (LDPE), high-pressure linear polyethylene (LLDPE), EVA, PO, and multi-layer composite zipper bags. They are used for the inner and outer packaging of various small items (jewelry, small hardware, toys). Food-grade resealable bags can store various snacks, tea, seafood, etc., providing moisture protection, preventing odor transfer, water resistance, insect protection, and preventing items from scattering. Resealable bags can also be used for packaging clothing and other daily necessities, with a wide range of applications. Antistatic resealable bags can be produced by adding antistatic masterbatch during the blown film production process; these are commonly used in the electronics industry.

[0003] However, existing self-sealing bags are mainly sealed by a self-sealing strip at the port. However, the self-sealing strip is easy to open under external force, which can easily cause the contents of the self-sealing bag, such as tea, to get damp. In order to prevent the self-sealing strip from opening under external force and improve the moisture-proof effect of the self-sealing bag, we have proposed a moisture-proof self-sealing bag to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a moisture-proof self-sealing bag, which can effectively prevent the self-sealing strip from opening on its own through the clamping force between the first clip and the second clip, thereby effectively preventing the items contained in the self-sealing bag from getting damp.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] A moisture-proof self-sealing bag includes a self-sealing bag body and a self-sealing strip disposed at the port of the self-sealing bag body. A first clip and a second clip are respectively disposed on both sides of the self-sealing strip. The first clip and the second clip are provided with slots at the corresponding parts of the self-sealing strip, and the protrusions on the first clip and the second clip abut against the self-sealing bag body.

[0009] The end portion of the first clamping bar is integrally formed with a locking block, and the locking block has a locking groove on the side wall away from the second clamping bar;

[0010] The end of the second clamping strip is integrally formed with a connecting piece, and the connecting piece has a positioning hole that engages with the slot.

[0011] Furthermore, the inner side of the self-sealing bag body is provided with an upward-opening storage bag, and the storage bag is provided with through holes in an array.

[0012] Furthermore, a desiccant bag is placed inside the storage bag.

[0013] Furthermore, one side of the self-sealing strip is provided with a first connecting part integrally formed with the self-sealing bag body.

[0014] Furthermore, both the first and second clamping strips have a second connecting portion integrally formed at their ends, and the second connecting portion is heat-fused to the first connecting portion. Both the first and second clamping strips are made of PE material.

[0015] Furthermore, the size of the positioning hole is larger than the size of the card block.

[0016] Furthermore, the portion where the second clip meets the connecting piece is provided with a bent portion.

[0017] 3. Beneficial effects

[0018] Compared with existing technologies, the advantages of this utility model are:

[0019] (1) In this solution, the items to be stored, such as tea leaves, are put into the self-sealing bag body. After pressing the self-sealing strip, the first clip and the second clip are combined together. At the same time, the protrusions on both sides of the slot are tightly fitted with the parts on both sides of the self-sealing strip. Finally, the connecting piece at the end of the second clip is flipped over, and the positioning hole on the connecting piece is engaged with the slot on the card block at the end of the first clip. This allows the self-sealing strip to be located in the slot. The clamping force between the first clip and the second clip can effectively prevent the self-sealing strip from opening on its own, thereby effectively preventing the items stored in the self-sealing bag body from getting damp.

[0020] (2) In this solution, a desiccant bag is placed in the storage bag. The desiccant in the desiccant bag can be a chemical desiccant, such as calcium sulfate and calcium chloride, which dries by combining with water to form hydrates; or a physical desiccant, such as silica gel and activated alumina, which dries by physically adsorbing water. This can effectively improve the moisture-proof effect of the self-sealing bag. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram showing the opening of the first and second clamps of the fish according to this utility model;

[0023] Figure 3This is a schematic diagram of the second clamping strip structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the first clamping strip structure of this utility model;

[0025] Figure 5 This is a side view of the self-sealing bag body of this utility model;

[0026] Figure 6 This is a cross-sectional view of part AA of the self-sealing bag body of this utility model.

[0027] Explanation of the labels in the diagram:

[0028] 1. Self-sealing bag body; 2. Self-sealing strip; 3. First connecting part; 4. First clamping strip; 5. Second clamping strip; 6. Slot; 7. Second connecting part; 8. Locking block; 9. Locking groove; 10. Connecting piece; 11. Positioning hole; 12. Storage bag; 13. Through hole; 14. Desiccant bag. Detailed Implementation

[0029] 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0030] Example:

[0031] Please see Figure 1-6 A moisture-proof self-sealing bag includes a self-sealing bag body 1 and a self-sealing strip 2 disposed at the port of the self-sealing bag body 1. A first clamping strip 4 and a second clamping strip 5 are respectively disposed on both sides of the self-sealing strip 2. The first clamping strip 4 and the second clamping strip 5 are provided with slots 6 at the corresponding parts of the self-sealing strip 2, and the protrusions on the first clamping strip 4 and the second clamping strip 5 abut against the self-sealing bag body 1.

[0032] The end of the first clamping strip 4 is integrally formed with a locking block 8, and the side wall of the locking block 8 away from the second clamping strip 5 is provided with a locking groove 9.

[0033] The end portion of the second clamping strip 5 is integrally formed with a connecting piece 10, and the connecting piece 10 is provided with a positioning hole 11 that engages with the slot 9.

[0034] It should be noted that when using this moisture-proof self-sealing bag, firstly, the items to be stored, such as tea, are put into the self-sealing bag body 1. Then, after pressing the self-sealing strip 2, the first clip 4 and the second clip 5 are joined together. At the same time, the protrusions on both sides of the slot 6 are tightly fitted to the parts on both sides of the self-sealing strip 2. Finally, the connecting piece 10 at the end of the second clip 5 is flipped over, and the positioning hole 11 on the connecting piece 10 is engaged with the slot 9 on the locking block 8 at the end of the first clip 4. This allows the self-sealing strip 2 to be located in the slot 6. The clamping force between the first clip 4 and the second clip 5 can effectively prevent the self-sealing strip 2 from opening on its own, thereby effectively preventing the items stored in the self-sealing bag body 1 from getting damp.

[0035] like Figure 6 As shown, a storage bag 12 with an upward opening is provided on the inner side of the self-sealing bag body 1, and through holes 13 are arranged in an array on the storage bag 12. A desiccant bag 14 is placed inside the storage bag 12.

[0036] It should be noted that by placing a desiccant bag 14 in the storage bag 12, the desiccant in the desiccant bag 14 can be a chemical desiccant, such as calcium sulfate and calcium chloride, which dries by combining with water to form hydrates; or a physical desiccant, such as silica gel and activated alumina, which dries by physically adsorbing water, which can effectively improve the moisture-proof effect of the self-sealing bag body 1.

[0037] like Figure 2 , Figure 3 , Figure 4 As shown, a first connecting part 3 integrally formed with the self-sealing bag body 1 is provided on one side of the self-sealing strip 2, and a second connecting part 7 integrally formed at the end of the first clip 4 and the second clip 5, and the second connecting part 7 is heat-fused to the first connecting part 3. Both the first clip 4 and the second clip 5 are made of PE material.

[0038] It should be noted that the first connecting part 3 and the second connecting part 7 are heat-fused together, thereby fixing the first clip 4 and the second clip 5 to the self-sealing bag body 1, and allowing the first clip 4 and the second clip 5 to rotate freely in the way that the first connecting part 3 and the second connecting part 7 are flexibly connected.

[0039] like Figure 3 , Figure 4 As shown, the size of the positioning hole 11 is larger than the size of the card block 8;

[0040] It should be noted that the positioning hole 11 can engage with the slot 9 on the card block 8, and the positioning hole 11 can also disengage from the slot 9, so that the first clip 4 and the second clip 5 can be separated, thereby making it easier to take the item out of the self-sealing bag body 1.

[0041] like Figure 3As shown, the part where the second clamping strip 5 and the connecting piece 10 are joined is provided with a bent part;

[0042] It should be noted that by setting the bending part, the connecting piece 10 can be folded freely relative to the second clamping strip 5.

[0043] In use: First, put the items to be stored, such as tea leaves, into the self-sealing bag body 1. Then, press the self-sealing strip 2 to merge the first clip 4 and the second clip 5 together. At the same time, make the protrusions on both sides of the slot 6 tightly fit with the parts on both sides of the self-sealing strip 2. Finally, flip the connecting piece 10 at the end of the second clip 5 and make the positioning hole 11 on the connecting piece 10 engage with the slot 9 on the locking block 8 at the end of the first clip 4. This will place the self-sealing strip 2 in the slot 6. The clamping force between the first clip 4 and the second clip 5 can effectively prevent the self-sealing strip 2 from opening on its own.

[0044] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A moisture-proof self-sealing bag comprising a self-sealing bag body (1) and a self-sealing strip (2) provided at a port portion of the self-sealing bag body (1), characterized in that: The self-sealing strip (2) is provided with a first clip (4) and a second clip (5) on both sides respectively. The first clip (4) and the second clip (5) are provided with slots (6) corresponding to the parts of the self-sealing strip (2), and the protrusions on the first clip (4) and the second clip (5) abut against the self-sealing bag body (1). The end of the first clamping strip (4) is integrally formed with a locking block (8), and the locking block (8) has a locking groove (9) on its side wall away from the second clamping strip (5). The end of the second clamping strip (5) is integrally formed with a connecting piece (10), and the connecting piece (10) is provided with a positioning hole (11) that engages with the slot (9).

2. A moisture resistant, self-sealing bag according to claim 1, wherein: The inner side of the self-sealing bag body (1) is provided with an upward-opening storage bag (12), and the storage bag (12) is provided with through holes (13) in an array.

3. A moisture resistant, self-sealing bag according to claim 2, wherein: A desiccant bag (14) is placed inside the storage bag (12).

4. The moisture resistant, self-sealing bag of claim 1, wherein: The self-sealing strip (2) has a first connecting part (3) integrally formed with the self-sealing bag body (1) on one side.

5. A moisture-proof self-sealing bag according to claim 4, characterized in that: The ends of the first clamping strip (4) and the second clamping strip (5) are integrally formed with a second connecting part (7), and the second connecting part (7) is heat-fused to the first connecting part (3). The first clamping strip (4) and the second clamping strip (5) are both made of PE material.

6. The moisture resistant, self-sealing bag of claim 1, wherein: The size of the positioning hole (11) is larger than the size of the card block (8).

7. The moisture resistant, self-sealing bag of claim 1, wherein: The part where the second clamping strip (5) and the connecting piece (10) are joined is provided with a bent part.