Vacuum packaging bag with multiple sealing mechanisms

By designing vacuum packaging bags with multiple sealing mechanisms, including pressing sealing components, adhesive sealing components and hot melt sealing components, combined with the exhaust component, the problem of lax sealing of existing vacuum packaging bags is solved, significantly improving the tightness and freshness of the seal.

CN222973966UActive Publication Date: 2025-06-13WENZHOU CITY FENGDA PRINTING CO LTD
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Patent Information

Application Number
CN202422302423.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-06-13
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The existing vacuum packaging bags with multiple sealing mechanisms only involve one sealing mechanism, which is prone to lax sealing during the sealing process, causing air and moisture to enter the packaging, affecting the product's freshness effect.

Method used

A vacuum packaging bag with multiple sealing mechanisms is designed, including a packaging bag body, a sealing mechanism and a gas extraction assembly. The sealing mechanism consists of a pressing seal assembly, an adhesive seal assembly and a hot melt seal assembly. Through the clamping structure of the first seal strip and the second seal strip, combined with the air extraction assembly, multiple seals are realized.

Benefits of technology

Through the design of multiple sealing mechanisms, the probability of air leakage in the packaging bag during the sealing process is significantly reduced, and the tightness and freshness of the seal are improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222973966U_ABST
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Abstract

The utility model relates to a vacuum packaging bag with multiple sealing mechanisms, which relates to the field of vacuum packaging bags, and comprises a packaging bag body, the sealing mechanisms and an air exhaust assembly, the air exhaust assembly is arranged on the packaging bag body, the sealing mechanisms comprise pressing sealing assemblies, the pressing sealing assemblies comprise first sealing strips and second sealing strips, and the first sealing strips and the second sealing strips are arranged on the packaging bag body. The sealing mechanism comprises a first sealing strip and a second sealing strip, the first sealing strip and the second sealing strip are both arranged on a packaging bag body, the first sealing strip and the second sealing strip are oppositely arranged, a clamping block is arranged on the first sealing strip, a clamping groove is formed in the second sealing strip, and the clamping block is clamped in the clamping groove. The packaging bag body is sealed, and the situation that a single sealing mechanism is likely to be untight in the sealing process is reduced, for example, the problem that due to the fact that the sealing edge is not completely attached, air and moisture enter the packaging bag, and the fresh-keeping effect of products is affected is solved.
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Description

Technical Field

[0001] This application relates to the technical field of vacuum packaging bags, and particularly to a vacuum packaging bag with a multiple sealing mechanism. Background Art

[0002] A vacuum packaging bag with a multiple sealing mechanism is a vacuum packaging bag designed with multiple sealing layers or sealing methods at the sealing position. This design can provide additional sealing protection to ensure that the packaging bag maintains good airtightness during transportation and storage, preventing the entry of air and moisture, thereby better protecting the items inside the package. When selecting a vacuum packaging bag with a multiple sealing mechanism, multiple aspects such as product characteristics, storage and transportation requirements, sales and display requirements, and cost factors need to be considered to ensure that the most suitable packaging bag for product protection needs is selected.

[0003] Currently, a Chinese utility model patent application with a publication date of January 25, 2022, and a publication number of CN 215623854U provides a food vacuum packaging bag. Sealing strips A are symmetrically arranged at the bottom position of the port of the packaging bag body, and sealing strips B are symmetrically arranged at the top position of the port of the packaging bag body. A negative pressure extraction mechanism is embedded and connected above the packaging bag body. Through the interference sealing engagement of the two groups of sealing strips at the port position of the packaging bag body and the negative pressure extraction of the negative pressure extraction mechanism by the negative pressure extraction cylinder, the vacuum packaging bag can be conveniently used to seal and pack food. Moreover, through the interference sealing of the sealing strips and the supporting combination of the negative pressure extraction mechanism, the vacuum packaging bag can be recycled, replacing the traditional disposable vacuum packaging form, which not only reduces energy waste but also avoids a large amount of environmental pollution.

[0004] The vacuum packaging bag with a multiple sealing mechanism in the related art only involves one sealing mechanism. A single sealing mechanism may be more likely to have poor sealing during the sealing process. For example, the sealing edge may not be fully adhered, resulting in the entry of air and moisture into the package, affecting the freshness preservation effect of the product.

[0005] Therefore, it is necessary to provide a vacuum packaging bag with a multiple sealing mechanism to solve the above problems. Summary of the Utility Model

[0006] In order to improve the problem in the related art that a vacuum packaging bag with a multiple sealing mechanism only involves one sealing mechanism, and a single sealing mechanism may be more likely to have an imperfect seal during the sealing process. For example, the sealing edges may not be fully adhered, resulting in air and moisture entering the package interior and affecting the freshness preservation effect of the product. The embodiment of the present application provides a vacuum packaging bag with a multiple sealing mechanism, including a packaging bag body, a sealing mechanism, and an air extraction component. The air extraction component is arranged on the packaging bag body. The sealing mechanism includes a pressing and sealing component, and the pressing and sealing component includes a first sealing strip and a second sealing strip. Both the first sealing strip and the second sealing strip are arranged on the packaging bag body, and the first sealing strip and the second sealing strip are arranged opposite to each other. A clamping block is arranged on the first sealing strip, and a clamping groove is formed on the second sealing strip. The clamping block is clamped in the clamping groove.

[0007] After the user opens the packaging bag body and finishes using it, the vacuum packaging bag with a multiple sealing mechanism provided by the embodiment of the present application enables the user to press the first sealing strip and the second sealing strip, so that the clamping block on the first sealing strip is clamped in the clamping groove on the second sealing strip to seal the packaging bag body. Subsequently, the air extraction component is used to perform a sealing process on the packaging bag body, reducing the probability of air leakage of the packaging bag body.

[0008] The above technical solution in the embodiment of the present application has at least the following technical effects: By using the sealing mechanism to seal the packaging bag body, it reduces the problem that a single sealing mechanism may be more likely to have an imperfect seal during the sealing process, such as the sealing edges not being fully adhered, resulting in air and moisture entering the package interior and affecting the freshness preservation effect of the product.

[0009] In some embodiments, the sealing mechanism further includes an adhesive sealing component, and the adhesive sealing component includes a release paper, a release paper fixing piece, and an adhesive strip. The adhesive strip is arranged on the packaging bag body, the release paper is arranged on the adhesive strip, and the release paper fixing piece is arranged on the packaging bag body.

[0010] In some embodiments, the sealing mechanism further includes a hot melt sealing component, and the hot melt sealing component includes a hot melt sealing port and a sealing edge. The hot melt sealing port is arranged on the packaging bag body, and the sealing edge is arranged on the packaging bag body.

[0011] In some embodiments, the air extraction component includes an air extraction port, a sealing block, a plugging plate, and a connecting strip. The sealing block is arranged on the packaging bag body, the air extraction port is arranged on the sealing block, the plugging plate is movably arranged on the air extraction port, the connecting strip is arranged on the sealing block, and one end of the connecting strip away from the sealing block is arranged on the plugging plate.

[0012] In some embodiments, the packaging bag body includes an antibacterial layer, a sealing layer, a thickening layer, and a protective base layer. The sealing layer is disposed on the antibacterial layer, the thickening layer is disposed on a side of the sealing layer away from the antibacterial layer, and the protective base layer is disposed on a side of the thickening layer away from the sealing layer.

[0013] In some embodiments, a Y-shaped easy tear opening is formed on the packaging bag body, and a semi-circular easy tear opening is formed on the packaging bag body.

[0014] In some embodiments, a portable groove is formed on the packaging bag body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 FIG. is a three-dimensional structural schematic diagram of a vacuum packaging bag with a multiple sealing mechanism provided by an embodiment of the present application;

[0017] Figure 2 FIG. is a cross-sectional structural schematic diagram of a vacuum packaging bag with a multiple sealing mechanism provided by an embodiment of the present application;

[0018] Figure 3 is Figure 2 an enlarged view of part A in

[0019] Figure 4 is Figure 2 an enlarged view of part B in

[0020] Figure 5 is Figure 2 an enlarged view of part C in

[0021] Among them, the reference numerals in the drawings are as follows:

[0022] 1. Packaging bag body; 11. Antibacterial layer; 12. Sealing layer; 13. Thickening layer; 14. Protective base layer; 2. Sealing mechanism; 21. Pressing and sealing assembly; 211. First sealing strip; 212. Second sealing strip; 213. Clamping block; 214. Clamping groove; 22. Gluing and sealing assembly; 221. Release paper; 222. Release paper fixing piece; 223. Adhesive strip; 23. Heat melting and sealing assembly; 231. Heat melting sealing port; 232. Sealing edge; 3. Semi-circular easy tear opening; 4. Y-shaped easy tear opening; 5. Air extraction assembly; 51. Air extraction port; 52. Sealing block; 53. Plugging plate; 54. Connecting strip; 6. Portable groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, the following further details this application in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above description of the accompanying drawings are intended to cover non-exclusive inclusion.

[0025] To address the problem in the related art that a vacuum packaging bag with a multiple sealing mechanism only involves one sealing mechanism, and a single sealing mechanism may be more likely to have an imperfect seal during the sealing process, such as the sealing edge not fully fitting, resulting in air and moisture entering the package interior and affecting the freshness preservation effect of the product, the embodiments of this application provide the following solutions.

[0026] Please refer to Figures 1 to 5 , the embodiments of this application provide a vacuum packaging bag with a multiple sealing mechanism. The vacuum packaging bag with a multiple sealing mechanism 2 includes a packaging bag body 1, a sealing mechanism 2 and an air extraction component 5. The air extraction component 5 is arranged on the packaging bag body 1, and the sealing mechanism 2 is arranged on the packaging bag body 1.

[0027] In some embodiments, please refer to Figures 1 to 5 , the packaging bag body 1 includes an antibacterial layer 11, a sealing layer 12, a thickening layer 13 and a protective base layer 14. The sealing layer 12 is arranged on the antibacterial layer 11. The thickening layer 13 is arranged on the side of the sealing layer 12 away from the antibacterial layer 11. The protective base layer 14 is arranged on the side of the thickening layer 13 away from the sealing layer 12. A Y-shaped easy tear opening 4 is provided on the packaging bag body 1. A semi-circular easy tear opening 3 is provided on the packaging bag body 1. A portable groove 6 is provided on the packaging bag body 1.

[0028] With such a setting, when using the packaging bag, the base protection is set on the outer layer of the packaging bag body 1 to protect the packaging bag body 1. The sealing layer 12 and the thickening layer 13 are used to protect the airtightness of the packaging bag body 1, reduce the damage of the packaging bag body 1, and the internal antibacterial layer 11 reduces the possibility of contamination of the items inside the packaging bag body 1. The semi-circular and Y-shaped easy-tear opening design enables users to easily find the tearing position and easily tear the packaging bag without the need to use scissors or other tools. The easy-tear opening is designed in a Y shape. Compared with the traditional V-shaped opening, the Y-shaped opening is more stable when being torn, not easily broken, and the material distribution at the tear opening is uniform, reducing the force required for tearing. The Y-shaped easy-tear opening can effectively re-seal the package and help extend the shelf life of the product. The handle design of the portable groove 6 enables users to easily carry the packaging bag, especially suitable for heavier or larger-sized products. A well-designed portable groove 6 can enhance the professionalism and brand image of the product while providing practical usage convenience.

[0029] In some embodiments, please also refer to Figures 1 to 5 , the sealing mechanism 2 includes a pressing and sealing assembly 21. The pressing and sealing assembly 21 includes a first sealing strip 211 and a second sealing strip 212. Both the first sealing strip 211 and the second sealing strip 212 are arranged on the packaging bag body 1, and the first sealing strip 211 and the second sealing strip 212 are arranged opposite to each other. A clamping block 213 is arranged on the first sealing strip 211, and a clamping groove 214 is formed on the second sealing strip 212. The clamping block 213 is clamped in the clamping groove 214. The sealing mechanism 2 further includes an adhesive sealing assembly 22. The adhesive sealing assembly 22 includes a release paper 221, a release paper fixing piece 222, and an adhesive strip 223. The adhesive strip 223 is arranged on the packaging bag body 1, the release paper 221 is arranged on the adhesive strip 223, and the release paper fixing piece 222 is arranged on the packaging bag body 1. The sealing mechanism 2 further includes a hot melt sealing assembly 23. The hot melt sealing assembly 23 includes a hot melt sealing opening 231 and a sealing edge 232. The hot melt sealing opening 231 is arranged on the packaging bag body 1, and the sealing edge 232 is arranged on the packaging bag body 1.

[0030] With such a setting, before the packaging bag body 1 is opened and used, the packaging bag body 1 is hermetically packaged through the hot-melt sealing assembly 23. At the opening, a hot-melt sealing opening 231 is used, and around the packaging bag body 1, a sealing edge 232 is used to hermetically package the packaging bag body 1. The vacuum packaging bag with the multiple sealing mechanisms 2 can, after the user opens the packaging bag body 1 and finishes using it, press the first sealing strip 211 and the second sealing strip 212, so that the clamping block 213 on the first sealing strip 211 is clamped in the clamping groove 214 on the second sealing strip 212 to seal the packaging bag body 1. Subsequently, the air extraction assembly 5 is used to seal the packaging bag body 1, reducing the probability of air leakage of the packaging bag body 1. At the same time, the adhesive sealing assembly 22 can be used. Tear off the release paper 221 provided on the adhesive strip 223, tear it to the outermost edge, and use the release paper fixing piece 222 to fix the release paper 221 on the packaging bag body 1. Subsequently, roll the packaging bag body 1 to fix the adhesive strip 223 on the packaging bag body 1, which is convenient for the user to seal the packaging bag body 1. At the same time, the release paper 221 can be tied up to become a portable device convenient for carrying by hand.

[0031] In some embodiments, please also refer to Figures 1 to 5 , the air extraction assembly 5 includes an air extraction port 51, a sealing block 52, a plugging plate 53 and a connecting strip 54. The sealing block 52 is arranged on the packaging bag body 1, the air extraction port 51 is arranged on the sealing block 52, the plugging plate 53 is movably arranged on the air extraction port 51, the connecting strip 54 is arranged on the sealing block 52, and one end of the connecting strip 54 away from the sealing block 52 is arranged on the plugging plate 53.

[0032] With such a setting, it is convenient for the user to open the plugging plate 53 arranged on the sealing block 52 after all the sealing mechanisms are sealed. The plugging plate 53 is arranged on the plugging plate 53 through the connecting strip 54. Use an air extractor, align it with the air extraction port 51, turn on the air extractor, so that the air extractor sucks out the air in the packaging bag to ensure that the inside of the packaging bag is in a vacuum state. At the same time, close the plugging plate 53 connected to the connecting strip 54 so that the plugging plate 53 is arranged on the sealing block 52.

[0033] The implementation principle of the vacuum packaging bag with multiple sealing mechanisms in the embodiment of the present application is as follows: when using the packaging bag, the base layer protection is arranged on the outer layer of the packaging bag body 1 to protect the packaging bag body 1; the sealing layer 12 and the thickening layer 13 are used to protect the airtightness of the packaging bag body 1 and reduce damage to the packaging bag body 1, as well as the internal antibacterial layer 11 to reduce the possibility of contamination of the items in the packaging bag body 1; the semicircular and Y-shaped tear-off design allows the user to easily find the tearing position and tear the packaging bag easily without the need for scissors or other tools; the tear-off design is Y-shaped, which is easier than the traditional The V-shaped opening and the Y-shaped opening are more stable and not easy to break when being torn, and the material distribution at the tearing edge is even, which reduces the force required for tearing. The Y-shaped easy-tear opening can effectively reseal the package. Before the packaging bag body 1 is disassembled for use, the packaging bag body 1 is sealed and packaged by the hot melt sealing component 23. The hot melt sealing opening 231 is used at the opening, and the packaging bag body 1 is sealed and packaged by the sealing edge 232 around the packaging bag body 1. The vacuum packaging bag with multiple sealing mechanisms 2 can be opened by the user after the user has finished using the packaging bag body 1 by pressing the first The sealing strip 211 and the second sealing strip 212 are configured such that the clamping block 213 on the first sealing strip 211 is clamped in the clamping groove 214 on the second sealing strip 212 to seal the packaging bag body 1. The vacuum assembly 5 is then used to seal the packaging bag body 1 to reduce the probability of air leakage in the packaging bag body 1. At the same time, the adhesive sealing assembly 22 can be used to tear off the release paper 221 set on the adhesive strip 223, tear it to the edge, and use the release paper fixing sheet 222 to fix the release paper 221 on the packaging bag body 1. The packaging bag body 1 is then rolled to fix the adhesive strip 223 on the packaging bag body 1. On the packaging bag body 1, it is convenient for the user to seal the packaging bag body 1, and at the same time, the release paper 221 can be bundled to become a portable device that is easy to carry. After the sealing mechanism is completely sealed, the user opens the sealing plate 53 set on the sealing block 52. The sealing plate 53 is set on the sealing plate 53 through the connecting strip 54. Use a vacuum pump, align it with the vacuum port 51, turn on the vacuum pump, and let the vacuum pump suck out the air in the packaging bag to ensure that the packaging bag is in a vacuum state. At the same time, close the sealing plate 53 connected to the connecting strip 54, so that the sealing plate 53 is set on the sealing block 52.

[0034] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A vacuum packaging bag with multiple sealing mechanisms, characterized in that: The invention comprises a packaging bag body (1), a sealing mechanism (2) and an air extraction component (5), wherein the air extraction component (5) is arranged on the packaging bag body (1), the sealing mechanism (2) comprises a pressing sealing component (21), the pressing sealing component (21) comprises a first sealing strip (211) and a second sealing strip (212), the first sealing strip (211) and the second sealing strip (212) are both arranged on the packaging bag body (1), and the first sealing strip (211) and the second sealing strip (212) are arranged opposite to each other, the first sealing strip (211) is provided with a clamping block (213), the second sealing strip (212) is provided with a clamping groove (214), and the clamping block (213) is clamped in the clamping groove (214).

2. The vacuum packaging bag with multiple sealing mechanisms according to claim 1, characterized in that: The sealing mechanism (2) further comprises an adhesive sealing component (22), wherein the adhesive sealing component (22) comprises a release paper (221), a release paper fixing sheet (222) and an adhesive strip (223), wherein the adhesive strip (223) is arranged on the packaging bag body (1), the release paper (221) is arranged on the adhesive strip (223), and the release paper fixing sheet (222) is arranged on the packaging bag body (1).

3. The vacuum packaging bag with multiple sealing mechanisms according to claim 2, characterized in that: The sealing mechanism (2) further comprises a hot melt sealing component (23), wherein the hot melt sealing component (23) comprises a hot melt sealing opening (231) and a sealing edge (232), wherein the hot melt sealing opening (231) is arranged on the packaging bag body (1), and the sealing edge (232) is arranged on the packaging bag body (1).

4. The vacuum packaging bag with multiple sealing mechanisms according to claim 3, characterized in that: The air extraction component (5) comprises an air extraction port (51), a sealing block (52), a sealing plate (53) and a connecting strip (54); the sealing block (52) is arranged on the packaging bag body (1); the air extraction port (51) is arranged on the sealing block (52); the sealing plate (53) is movably arranged on the air extraction port (51); the connecting strip (54) is arranged on the sealing block (52); and one end of the connecting strip (54) away from the sealing block (52) is arranged on the sealing plate (53).

5. The vacuum packaging bag with multiple sealing mechanisms according to claim 4, characterized in that: The packaging bag body (1) comprises an antibacterial layer (11), a sealing layer (12), a thickening layer (13) and a protective base layer (14); the sealing layer (12) is arranged on the antibacterial layer (11); the thickening layer (13) is arranged on a side of the sealing layer (12) away from the antibacterial layer (11); and the protective base layer (14) is arranged on a side of the thickening layer (13) away from the sealing layer (12).

6. The vacuum packaging bag with multiple sealing mechanisms according to claim 5, characterized in that: The packaging bag body (1) is provided with a Y-shaped easy-tear opening (4), and the packaging bag body (1) is provided with a semicircular easy-tear opening (3).

7. The vacuum packaging bag with multiple sealing mechanisms according to claim 6, characterized in that: The packaging bag body (1) is provided with a portable slot (6).

Citation Information

Patent Citations

  • Food vacuum packaging bag

    CN215623854U