Waterproof packaging bag

By designing a detachable waterproof inner bag and the outer bag, the problem of poor waterproof performance of the packaging bag is solved, and the replacement and multiple use of the waterproof inner bag is achieved, which extends the service life and ensures the drying and anti-oxidation effect of the packaging.

CN223059624UActive Publication Date: 2025-07-04DANYANG CITY CHUNXIAO PLASTIC IND CO LTD
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Patent Information

Application Number
CN202421932187.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-07-04
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

Existing packaging bags have poor waterproof performance, are prone to damage, and affect their service life.

Method used

A waterproof packaging bag is designed including an outer bag and a removable connection of waterproof inner bag. A limit locking structure is provided between the outer bag and the waterproof inner bag. The waterproof inner bag is made of aluminum foil material and sealed by a zipper. A magnetic strip and a top cover are provided at the top of the outer bag for easy opening and closing.

Benefits of technology

It extends the service life of the waterproof inner bag, prevents direct exposure to the outside world and is cut, ensures the drying and oxidation of the packaging, has excellent barrier properties, and is suitable for multiple use.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223059624U_ABST
    Figure CN223059624U_ABST
Patent Text Reader

Abstract

The utility model discloses a waterproof packaging bag which comprises an outer bag, a waterproof inner bag detachably connected with an inner cavity of the outer bag is arranged in the inner cavity of the outer bag, a limiting locking structure is arranged between the waterproof inner bag and the outer bag, handles are arranged on the two side walls of the top end of the outer bag, and the size of the waterproof inner bag is matched with the size of the inner cavity of the outer bag. Through the matching between the waterproof inner bag and the outer bag, when the waterproof inner bag is damaged, the waterproof inner bag can be taken out and replaced, the operation is simple and convenient, and the outer bag plays a good role in protecting the waterproof inner bag, so that the phenomenon that the waterproof inner bag is directly exposed to the outside and is scratched can be effectively prevented; therefore, the service life of the waterproof inner bag is prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of packaging bags, and particularly relates to a waterproof packaging bag. Background Art

[0002] A packaging bag refers to a bag used for packaging various articles, which facilitates the transportation and storage of goods during the production and circulation process. It is widely used in daily life and industrial production. As an essential item in life, people often use packaging bags when carrying things out.

[0003] However, the existing packaging bags have poor waterproof performance, and there is only one layer of the packaging bag, so that the bag for packaging items is directly in contact with the outside world, which easily leads to the phenomenon that the packaging bag is damaged due to contact with external objects, thus affecting the use effect of the packaging bag and greatly reducing the service life of the packaging bag. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a waterproof packaging bag to solve the technical problems raised in the background art.

[0005] To achieve the above purpose, the specific technical solution of the utility model is as follows: A waterproof packaging bag includes an outer bag, and a waterproof inner bag detachably connected to the inner cavity of the outer bag is arranged in the inner cavity of the outer bag. A limiting and locking structure is arranged between the waterproof inner bag and the outer bag, and handles are arranged on both side walls at the top end of the outer bag.

[0006] Preferably, the size of the waterproof inner bag matches the size of the inner cavity of the outer bag.

[0007] Preferably, the waterproof inner bag is made of aluminum foil material, and the top opening of the waterproof inner bag is sealed by a zipper.

[0008] Preferably, a first magnetic strip is arranged on the outer edge of the top opening of the outer bag, a top cover is arranged at the top opening of the outer bag, a second magnetic strip corresponding to the first magnetic strip is arranged on the outer edge of the inner side of the top cover, and the magnetism of the second magnetic strip is opposite to that of the first magnetic strip.

[0009] Preferably, the limiting and locking structure includes screws. Two vertically distributed limiting grooves are arranged on both side walls of the inner cavity of the outer bag. Four uniformly and orderly distributed positioning blocks are arranged on both outer walls of the waterproof inner bag. The size of the positioning block matches the size of the limiting groove, and the positioning block is slidably connected up and down with the limiting groove. A threaded hole is arranged in the middle of the surface of the positioning block, a through hole corresponding to the threaded hole is arranged on the surface of the outer bag, and the end of the screw penetrates through the through hole and is threadedly connected with the threaded hole.

[0010] Preferably, the two handles are fixedly connected by snap buttons.

[0011] The waterproof packaging bag of the present utility model has the following advantages:

[0012] 1. Through the cooperation between the waterproof inner bag and the outer bag of the present utility model, when the waterproof inner bag is damaged, the waterproof inner bag can be taken out and replaced, which is simple and convenient to operate. Moreover, the outer bag plays a good protective role for the waterproof inner bag, which can effectively prevent the phenomenon that the waterproof inner bag is directly exposed to the outside and scratched, thereby prolonging the service life of the waterproof inner bag.

[0013] 2. The waterproof inner bag of the present utility model is made of aluminum foil material, which can effectively block the entry of air and moisture, thereby ensuring the dryness of the packaging in the waterproof inner bag. In addition, the aluminum foil material also has good anti-oxidation performance, enabling the waterproof inner bag to effectively block the entry of oxygen and prevent the packaging from being oxidized and resulting in quality decline. Moreover, the waterproof inner bag made of aluminum foil material also has excellent barrier performance, which can effectively block the entry of ultraviolet rays, reduce the quality change of the packaging caused by light irradiation, and the waterproof inner bag made of aluminum foil material also has excellent repeatable sealing performance, and the design of the zipper enables the waterproof inner bag to be used repeatedly for many times. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is an exploded view of the waterproof inner bag and the outer bag of the present utility model.

[0017] Reference numerals in the drawings: 1, outer bag; 2, top cover; 3, first magnetic strip; 4, second magnetic strip; 5, handle; 6, screw; 7, waterproof inner bag; 9, zipper; 10, positioning block; 11, threaded hole; 12, limiting groove; 13, through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0019] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "length", "vertical", "horizontal", "top", "bottom", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the embodiments of the present utility model.

[0020] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0021] In the embodiments of the present utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0022] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present utility model. To simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0023] In order to better understand the purpose, structure and function of the present utility model, the following further describes a waterproof packaging bag of the present utility model in detail with reference to the drawings.

[0024] Such as Figure 1-2As shown, a waterproof packaging bag of the utility model comprises an outer bag 1, a first magnetic stripe 3 is arranged at the outer edge of the top opening of the outer bag 1, a top cover 2 is arranged at the top opening of the outer bag 1, a second magnetic stripe 4 corresponding to the first magnetic stripe 3 is arranged at the inner outer edge of the top cover 2, and the magnetism of the second magnetic stripe 4 is opposite to that of the first magnetic stripe 3. Through the cooperation between the first magnetic stripe 3 and the second magnetic stripe 4, it is convenient to open and close the top cover 2, and the operation is simple. The inner cavity of the outer bag 1 is provided with a waterproof inner bag 7 detachably connected thereto, and the size of the waterproof inner bag 7 matches the size of the inner cavity of the outer bag 1, so that when the waterproof inner bag 7 is placed in the inner cavity of the outer bag 1, it can fit perfectly with the inner wall of the outer bag 1. The waterproof inner bag 7 is made of aluminum foil material, and the top opening of the waterproof inner bag 7 is sealed by a zipper 9. The aluminum foil material is a very practical packaging material with excellent moisture-proof performance, and the aluminum foil material itself is impermeable. After the waterproof inner bag 7 is sealed with the zipper 9, air and moisture can be effectively blocked from entering, thereby ensuring the dryness of the packaged materials in the waterproof inner bag 7. In addition, the aluminum foil material also has good anti-oxidation performance, so that the waterproof inner bag 7 can effectively block the entry of oxygen and prevent the packaged materials from being oxidized and causing quality degradation. Moreover, the waterproof inner bag 7 made of aluminum foil material also has excellent barrier properties, which can effectively block the entry of ultraviolet rays and reduce the quality changes caused by the packaged materials being exposed to light. Moreover, the waterproof inner bag 7 made of aluminum foil material also has excellent reusable sealing performance, and the design of the zipper 9 allows the waterproof inner bag 7 to be reused many times.

[0025] A limited locking structure is provided between the waterproof inner bag 7 and the outer bag 1, and the limited locking structure includes a screw 6. Two vertically distributed limit grooves 12 are provided on both side walls of the inner cavity of the outer bag 1. Four uniformly and orderly distributed positioning blocks 10 are provided on both side outer walls of the waterproof inner bag 7. The size of the positioning block 10 matches the size of the limit groove 12, and the positioning block 10 is connected to the limit groove 12 by sliding up and down. A threaded hole 11 is provided in the middle part of the surface of the positioning block 10, and a through hole 13 corresponding to the threaded hole 11 is provided on the surface of the outer bag 1. The end of the screw 6 passes through the through hole 13 and is threadedly connected with the threaded hole 11. When the waterproof inner bag 7 is installed, the waterproof The positioning block 10 of the inner bag 7 is aligned with the limiting groove 12, and then the waterproof inner bag 7 enters the inner cavity of the outer bag 1. At this time, the through hole 13 on the outer bag 1 will be aligned with the threaded hole 11 on the positioning block 10, and the screw 6 is passed through the through hole 13 and tightened with the threaded hole 11, so that the waterproof inner bag 7 and the outer bag 1 can be tightly connected, ensuring the firmness of the structure. In addition, when the waterproof inner bag 7 is damaged, the waterproof inner bag 7 can be taken out and replaced, which is simple and convenient to operate. The outer bag 1 has a good protective effect on the waterproof inner bag 7, which can effectively prevent the waterproof inner bag 7 from being directly exposed to the outside world and being scratched, thereby extending the service life of the waterproof inner bag 7.

[0026] On both side walls at the top of the outer bag 1, there are provided handles 5. The two handles 5 are fixedly connected by snap buttons, so that the two handles 5 can be fixed together for easy carrying.

[0027] It can be understood that the present utility model is described by some embodiments. Those skilled in the art know that without departing from the spirit and scope of the present utility model, various changes or equivalent substitutions can be made to these features and embodiments. Additionally, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the present utility model.

Claims

1. A waterproof packaging bag, characterized in that: It includes an outer bag (1), a waterproof inner bag (7) detachably connected to the inner cavity of the outer bag (1) is provided, a limiting and locking structure is arranged between the waterproof inner bag (7) and the outer bag (1), and handles (5) are arranged on both side walls at the top end of the outer bag (1).

2. The waterproof packaging bag according to claim 1, wherein: The size of the waterproof inner bag (7) matches the size of the inner cavity of the outer bag (1).

3. A waterproof packaging bag according to claim 1, characterized in that: The waterproof inner bag (7) is made of aluminum foil material, and the top opening of the waterproof inner bag (7) is sealed by a zipper (9).

4. A waterproof packaging bag according to claim 1, characterized in that: A first magnetic strip (3) is arranged on the outer edge of the top opening of the outer bag (1), a top cover (2) is arranged at the top opening of the outer bag (1), a second magnetic strip (4) corresponding to the first magnetic strip (3) is arranged on the outer edge of the inner side of the top cover (2), and the magnetism of the second magnetic strip (4) is opposite to that of the first magnetic strip (3).

5. A waterproof packaging bag according to claim 1, characterized in that: The limiting and locking structure includes a screw (6). Two vertically distributed limiting grooves (12) are arranged on both side walls of the inner cavity of the outer bag (1). Four uniformly and orderly distributed positioning blocks (10) are arranged on both outer walls of the waterproof inner bag (7). The size of the positioning block (10) matches the size of the limiting groove (12), and the positioning block (10) is connected with the limiting groove (12) in a sliding manner up and down. A threaded hole (11) is arranged in the middle of the surface of the positioning block (10). A through hole (13) corresponding to the threaded hole (11) is arranged on the surface of the outer bag (1). The end of the screw (6) passes through the through hole (13) and is threadedly connected with the threaded hole (11).

6. A waterproof packaging bag according to claim 1, characterized in that: The two handles (5) are fixedly connected by snap buttons.