Packaging bag with air leakage detection function

Abstract

The utility model discloses a packaging bag with an air leakage detection function, which belongs to the technical field of packaging bags and comprises a packaging bag main body, an air leakage detection component and a sealing opening component, and the packaging bag main body is provided with the air leakage detection component used for detecting whether the packaging bag main body leaks air and the sealing opening component used for exhausting air during sealing; the air leakage detection component comprises a breathable waterproof film, an air bag and a protective sleeve, the breathable waterproof film, the air bag and the protective sleeve are all installed on the top of the right end of the packaging bag body, the air bag is located on the inner side of the protective sleeve, and the two ends of the interior of the air bag communicate with the interior of the packaging bag body through the breathable waterproof film. By means of the mode, through the arrangement of the air bag and the protective sleeve, the air bag is in a wizened state when the interior of the packaging bag body is sealed, the air bag is in a flatulence state when air leaks, whether air leaks in the packaging bag body or not can be checked conveniently, and assistance of other detection equipment is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing bag technical field, concretely relates to a packing bag with air leakage detection function. BACKGROUND

[0002] Packing bag is the bag for packing various products, usually by plastic, paper, cloth or other materials are made, in daily life very common, is widely used in food, cosmetics, electronic products and many other fields, the main function of packing bag includes protecting product, convenient transportation and storage etc.

[0003] Such as Chinese patent application CN115416990A discloses a kind of plastic packing bag exempt from alignment, by the setting of flexible seal bar and magnetic seal bar, when using, the back seal piece is supported on flat surface, then two limit buckles are pulled to two sides, to straighten magnetic change inlay, in this process, both ends of magnetic change inlay enter into magnetic seal bar along the bar mouth, due to magnetism, with the movement of magnetic change inlay, magnetic seal bar gradually wraps outside magnetic change inlay from middle to two sides, to realize the resealing of back seal piece and inner seal piece.

[0004] However, the plastic packing bag exempt from alignment cannot detect whether air leakage autonomously when using, and it is difficult to ensure whether the package is sealed.

[0005] Based on this, the utility model discloses a kind of packing bags with air leakage detection function to solve the above problems. UTILITY MODEL CONTENT

[0006] In view of the above shortcomings of the prior art, the utility model provides a packing bag with air leakage detection function.

[0007] To achieve the above purposes, the utility model is realized by the following technical schemes:

[0008] A kind of packing bag with air leakage detection function, including packing bag main body, still include air leakage detection component and sealing opening component;

[0009] The packing bag main body is installed with air leakage detection component for detecting whether the packing bag main body leaks and sealing opening component for air extraction when sealing;

[0010] The air leakage detection component includes air-permeable waterproof membrane, air bag and protective sleeve, air-permeable waterproof membrane, air bag and protective sleeve are all installed on the right end top of packing bag main body, air bag is located at both ends inside protective sleeve, air bag inside is communicated with the inside of packing bag main body by air-permeable waterproof membrane.

[0011] Further, the packaging bag body is a bottom-open packaging bag, a sealing edge is fixedly installed at the left end of the packaging bag body, a sealing opening component is connected to the right top end of the packaging bag body, and the right end of the packaging bag body is fixedly connected with a gas leakage detection component.

[0012] Further, the left bottom of the sealing edge is provided with an opening.

[0013] Further, the air bag and the protective sleeve are in a cylindrical shape, and the two ends of the air bag and the protective sleeve are fixedly connected to the right top end of the packaging bag body, the right top end of the packaging bag body is provided with two through holes communicating with the air bag, and the two air-permeable water-proof membranes are fixedly installed at the two through holes of the right end of the packaging bag body.

[0014] Further, the air bag is made of high-elasticity thin-film rubber material, and the protective sleeve is made of transparent hard material.

[0015] Further, the gas between the air bag and the protective sleeve is extracted, and the vacuum ratio between the air bag and the protective sleeve is between 70% and 90%.

[0016] Further, the sealing opening component comprises a threaded opening, a threaded cover, a sealing ring and an air valve, the threaded opening is fixedly installed at the right top end of the packaging bag body, the top of the packaging bag body is provided with a through hole communicating with the threaded opening, the threaded cover is threadedly connected to the outside of the threaded opening, the bottom of the threaded cover is abuttingly connected to the top of the packaging bag body, the inside top of the threaded cover is fixedly installed with the sealing ring, the sealing ring is arranged between the threaded cover and the threaded opening and is abuttingly connected to the top of the threaded opening, and the air valve is fixedly installed at the top of the threaded cover, and the top of the threaded cover is provided with a through hole matched with the air valve.

[0017] Further, the outside of the threaded cover is provided with a plurality of strip-shaped through grooves increasing friction.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] 1. The air bag and the protective sleeve are arranged, so that the air bag is in a deflated state when the inside of the packaging bag body is sealed, and the air bag is in an inflated state when the air leaks, thereby facilitating the inspection of whether the air leakage occurs in the inside of the packaging bag body without the need of using other detection equipment.

[0020] 2. The sealing edge and the sealing ring are arranged, so that the packaging bag body has good sealing performance when being sealed, the opening and the threaded cover are arranged, so that the objects in the inside of the packaging bag body are easily taken out when being unsealed, and the protective sleeve is arranged, so that the air bag is protected and is convenient for carrying and transferring. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 A perspective view of the packaging bag with the air leakage detection function of the present application Figure 1 ;

[0023] Figure 2 A front view of the packaging bag with the air leakage detection function of the present application

[0024] Figure 3 A top view of the packaging bag with the air leakage detection function of the present application

[0025] Figure 4 A perspective view of the packaging bag with the air leakage detection function of the present application Figure 3 A perspective view of the packaging bag with the air leakage detection function of the present application

[0026] Figure 5 An enlarged view of B in Figure 4

[0027] The reference numbers in the drawings represent:

[0028] 1. Packaging bag body; 11. Sealed bag edge; 12. Opening; 2. Air leakage detection component; 21. Air-permeable waterproof membrane; 22. Air bag; 23. Protective sleeve; 3. Sealed opening component; 31. Threaded opening; 32. Threaded cover; 33. Sealing ring; 34. Valve. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the following description, "left", "right", "front", "back", "up", "down" are oriented in the perspective direction of the front view.

[0031] Embodiment one: In some embodiments, please refer to the Figures 1-5 ​The application discloses a packaging bag with a gas leakage detection function, which comprises a packaging bag body 1, a gas leakage detection component 2 and a sealing opening component 3.

[0032] The gas leakage detection component 2 comprises a gas-permeable waterproof membrane 21, an air bag 22 and a protective sleeve 23, wherein the gas-permeable waterproof membrane 21, the air bag 22 and the protective sleeve 23 are all arranged on the top of the right end of the packaging bag body 1, the air bag 22 is arranged on the inner side of the protective sleeve 23, a gap is formed between the air bag 22 and the protective sleeve 23, and the two ends of the air bag 22 are both communicated with the inside of the packaging bag body 1 through the gas-permeable waterproof membrane 21.

[0033] When the packaging bag with the gas leakage detection function is used normally, the packaging bag body 1 is sealed after the articles are placed in the packaging bag body 1, the inside of the packaging bag body 1 is vacuumized by starting the air extraction equipment through the sealing opening component 3, and the air in the air bag 22 is also extracted at the same time; when the gas leakage occurs, the gas enters the inside of the packaging bag body 1 and then enters the inside of the air bag 22 through the gas-permeable waterproof membrane 21, the air bag 22 is expanded due to the influence of the gas, the air bag 22 is in a deflated state when the packaging bag body 1 is sealed, and the air bag 22 is in an inflated state when the gas leakage occurs, so that it is convenient to observe whether the gas leakage occurs in the inside of the packaging bag body 1, and other detection equipment is not needed.

[0034] In some embodiments, the packaging bag body 1 is an open-bottom packaging bag, the sealing bag edge 11 is fixedly arranged on the left end of the packaging bag body 1, the sealing opening component 3 is connected to the top right end of the packaging bag body 1, and the gas leakage detection component 2 is fixedly connected to the right end of the packaging bag body 1.

[0035] The left side of the sealing bag edge 11 is provided with an opening 12, and the packaging bag body 1 is conveniently torn open.

[0036] In some embodiments, the air bag 22 and the protective sleeve 23 are in a cylindrical shape, the two ends of the air bag 22 and the protective sleeve 23 are fixedly connected to the top of the right end of the packaging bag body 1, the top of the right end of the packaging bag body 1 is provided with two through holes which are communicated with the air bag 22, and the two gas-permeable waterproof membranes 21 are fixedly arranged at the two through holes of the right end of the packaging bag body 1.

[0037] The air bag 22 is made of a high-elasticity thin-film rubber material, the protective sleeve 23 is made of a transparent hard material, and the hard protective sleeve 23 is convenient to hold.

[0038] The air in the air bag 22 and the protective sleeve 23 is extracted, the vacuum ratio between the air bag 22 and the protective sleeve 23 is between 70% and 90%, and the air in the air bag 22 and the protective sleeve 23 is sufficient to compress the air bag 22 into a deflated state.

[0039] In some embodiments, the sealing opening component 3 comprises a threaded opening 31, a threaded cover 32, a sealing ring 33 and a valve 34, the threaded opening 31 is fixedly installed at the right end of the top of the packaging bag body 1, a through hole communicating with the threaded opening 31 is formed at the top of the packaging bag body 1, the threaded cover 32 is threadedly connected to the outside of the threaded opening 31, the bottom of the threaded cover 32 is in abutting connection with the top of the packaging bag body 1, the sealing ring 33 is fixedly installed at the top of the inside of the threaded cover 32, the sealing ring 33 is arranged between the threaded cover 32 and the threaded opening 31 and is in abutting connection with the top of the threaded opening 31, and the valve 34 is fixedly installed at the top of the threaded cover 32, a through hole for use of the valve 34 is formed at the top of the threaded cover 32.

[0040] The outside of the threaded cover 32 is provided with a plurality of strip-shaped through grooves for increasing friction.

[0041] When the packaging bag with the air leakage detection function is normally used, the articles are placed in the packaging bag body 1, the bottom opening of the packaging bag body 1 is sealed by using a sealing device, the sealing bag edge 11 can improve the sealing performance of the packaging bag body 1, the packaging bag body 1 is vacuumized by using a vacuumizing device through the valve 34, the air in the air bag 22 is extracted together with the air-permeable water-proof membrane 21, a small amount of gas is left between the air bag 22 and the protective sleeve 23, so that the air bag 22 is compressed to be flat, and the protective sleeve 23 can be used as a handle when the articles are taken out. When air leakage occurs in the packaging bag body 1, the soft material of the air bag 22 is first lifted by the air to form an inflated state, and the transparent protective sleeve 23 can be quickly observed, the packaging bag body 1 is torn from the unsealed opening 12 when solid articles are placed in the packaging bag body 1, and the articles are taken out, the threaded cover 32 is rotated to be separated from the threaded opening 31 when liquid articles are placed in the packaging bag body 1, and the liquid is poured out from the threaded opening 31, and the sealing ring 33 is used for sealing. The sealing bag edge 11 and the sealing ring 33 are arranged to provide good sealing performance for the packaging bag body 1 when it is sealed, the unsealed opening 12 and the threaded cover 32 are arranged to facilitate taking out the articles in the packaging bag body 1 when it is unsealed, and the protective sleeve 23 is arranged to protect the air bag 22 and facilitate carrying and transferring.

[0042] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A packaging bag having a function of detecting a gas leakage, comprising a packaging bag main body (1), characterized by: Also include the leakage detection component (2) and seal opening component (3), the package bag body (1) is installed for detecting whether the package bag body (1) leaks the leakage detection component (2) and the seal opening component (3) for sealing the air treatment of opening component (3); The leakage detection component (2) includes a breathable waterproof membrane (21), an air bag (22) and a protective sleeve (23), the breathable waterproof membrane (21), the air bag (22) and the protective sleeve (23) are all installed on the right end top of the package bag body (1), the air bag (22) is located inside the protective sleeve (23), and the two ends inside the air bag (22) are communicated with the inside of the package bag body (1) through the breathable waterproof membrane (21).

2. The package bag having a gas leakage detection function according to claim 1, characterized by, The package bag body (1) is an open-bottom package bag, the seal edge (11) is fixedly installed at the left end of the package bag body (1), the top right end of the package bag body (1) is connected with the seal opening component (3), and the right end of the package bag body (1) is fixedly connected with the leakage detection component (2).

3. The package bag having a gas leakage detection function according to claim 2, characterized by, The left side bottom of the seal edge (11) is provided with an opening (12).

4. The package bag having a gas leakage detection function according to claim 1, characterized by, The air bag (22) and the protective sleeve (23) are in a cylindrical shape, the two ends of the air bag (22) and the protective sleeve (23) are sealingly and fixedly connected with the right end top of the package bag body (1), the right end top of the package bag body (1) is provided with two through holes communicating with the air bag (22), and the two breathable waterproof membranes (21) are fixedly installed at the two through holes of the right end of the package bag body (1).

5. The package bag having a gas leakage detection function according to claim 1, characterized by, The air bag (22) is made of high-elasticity thin film rubber material, and the protective sleeve (23) is made of transparent hard material.

6. The package bag having a gas leakage detection function according to claim 1, characterized by, The gas between the air bag (22) and the protective sleeve (23) is extracted, and the vacuum ratio between the air bag (22) and the protective sleeve (23) is between 70% and 90%.

7. The package bag having a gas leakage detection function according to claim 1, characterized by, The seal opening component (3) includes a threaded port (31), a threaded cover (32), a sealing ring (33) and a valve nozzle (34), the threaded port (31) is fixedly installed at the top right end of the package bag body (1), the top of the package bag body (1) is provided with a through hole communicating with the threaded port (31), the threaded cover (32) is threadedly connected outside the threaded port (31), the bottom of the threaded cover (32) is abuttingly connected with the top of the package bag body (1), the sealing ring (33) is fixedly installed at the top inside of the threaded cover (32), the sealing ring (33) is arranged between the threaded cover (32) and the threaded port (31) and abuttingly connected with the top of the threaded port (31), and the valve nozzle (34) is fixedly installed at the top of the threaded cover (32), and the top of the threaded cover (32) is provided with a through hole matched with the valve nozzle (34).

8. The package bag having a gas leakage detection function according to claim 7, characterized by, A plurality of strip-shaped through grooves increasing friction are arranged outside the threaded cover (32).

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