Portable back sealing bag with high sealing performance
By setting multiple inner and outer seals between the back seal body and the outer seal, the high sealing performance of the back seal bag is achieved, solving the problem of poor sealing effect of the existing back seal bag and meeting people's work needs.
Patent Information
- Application Number
- CN202421371320.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The sealing effect of the existing back seal bag is poor, resulting in easy air leakage and unable to meet people's work needs.
A portable back seal bag with high sealing is designed, and multiple inner and outer seals are set between the back seal bag body and the outer seal to achieve the function of multiple seals.
Through the multi-seal structure, the sealing effect of the back seal bag is significantly improved, the problem of poor sealing is solved, and people's work needs are met.
Smart Images

Figure CN222860062U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging bags, in particular to a portable back-sealed bag with high sealing performance. Background Art
[0002] Packaging bags refer to bags used to package various supplies, which make it convenient to transport and store goods during the production and circulation process. They are widely used in daily life and industrial production. There are many types of packaging bags, including back-sealed bags.
[0003] The existing back-sealed bags have a poor sealing effect when in use, which easily leads to air leakage. Therefore, the existing back-sealed bags cannot meet people's work needs, thereby causing great inconvenience to people's use. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a portable back-sealed bag with high sealing performance, which has a better sealing function and solves the problems in the above-mentioned background technology.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable back-sealed bag with high sealing performance, comprising a back-sealed bag body, a first outer seal being arranged on one side of the back wall of the back-sealed bag body, a second outer seal being arranged on the other side of the back wall of the back-sealed bag body, a first inner seal being arranged on one side of the back-sealed bag body and located inside the second outer seal, and a second inner seal being arranged on one side of the back-sealed bag body and located inside the second outer seal. By arranging the back-sealed bag body, the first outer seal, the second outer seal, the first inner seal and the second inner seal, a multiple sealing function is realized, thereby improving the sealing effect, solving the problem of poor sealing effect, meeting people's work needs, and worthy of popularization and use.
[0008] Furthermore, the first outer seal and the second outer seal are tightly fitted, and the first outer seal and the second outer seal are bonded to each other, which facilitates the sealing work.
[0009] Furthermore, the first inner seal strip has an "F"-shaped structure when viewed from above, and the first inner seal strip is composed of three cover strips, which facilitates multiple sealing operations through the first inner seal strip.
[0010] Furthermore, a cover of the first inner seal is bonded to the back seal bag body, and a second cover of the first inner seal is bonded to the first outer seal, which effectively improves the sealing effect.
[0011] Furthermore, the second inner seal strip has an "F"-shaped structure when viewed from above, and the second inner seal strip is composed of three cover strips, which facilitates sealing work through the second inner seal strip.
[0012] Furthermore, a cover of the second inner seal is bonded to the back seal bag body, and a second cover of the second inner seal is bonded to the second outer seal, which further improves the sealing effect.
[0013] Furthermore, the third cover of the first inner seal strip and the third cover of the second inner seal strip are bonded to each other, thereby achieving multiple sealing.
[0014] Beneficial Effects
[0015] Compared with the prior art, the utility model provides a portable back-sealed bag with high sealing performance, which has the following beneficial effects:
[0016] 1. The portable back-sealed bag with high sealing performance realizes multiple sealing functions by providing the back-sealed bag body, the first outer seal, the second outer seal, the first inner seal and the second inner seal, thereby improving the sealing effect, solving the problem of poor sealing effect, meeting people's work needs, and being worthy of promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the top-sectional structure of the utility model;
[0019] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.
[0020] In the figure: 1, back seal bag body; 2, first outer seal; 3, second outer seal; 4, first inner seal; 5, second inner seal. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Example 1
[0023] The preferred embodiment of the portable back-sealed bag with high sealing performance provided by the utility model is as follows: Figures 1 to 3As shown: a portable back-sealing bag with high sealing performance, including a back-sealing bag body 1, a first outer seal 2 is arranged on one side of the back wall of the back-sealing bag body 1, a second outer seal 3 is arranged on the other side of the back wall of the back-sealing bag body 1, a first inner seal 4 is arranged on one side of the back-sealing bag body 1 and located inside the second outer seal 3, and a second inner seal 5 is arranged on one side of the back-sealing bag body 1 and located inside the second outer seal 3. By arranging the back-sealing bag body 1, the first outer seal 2, the second outer seal 3, the first inner seal 4 and the second inner seal 5, a multiple sealing function is realized, thereby improving the sealing effect, solving the problem of poor sealing effect, meeting people's work needs, and worthy of popularization and use.
[0024] Furthermore, the first outer seal 2 and the second outer seal 3 are tightly fitted, and the first outer seal 2 and the second outer seal 3 are bonded to each other, which facilitates the sealing work.
[0025] Furthermore, the first inner seal 4 has an “F”-shaped structure when viewed from above, and the first inner seal 4 is composed of three cover strips, which facilitates multiple sealing operations through the first inner seal 4 .
[0026] Furthermore, one cover of the first inner seal 4 is bonded to the back-sealed bag body 1 , and the second cover of the first inner seal 4 is bonded to the first outer seal 2 , which effectively improves the sealing effect.
[0027] Furthermore, the second inner seal 5 has an “F”-shaped structure when viewed from above, and the second inner seal 5 is composed of three cover strips, which facilitates the sealing work through the second inner seal 5 .
[0028] Furthermore, a cover of the second inner seal 5 is bonded to the back-sealed bag body 1 , and a second cover of the second inner seal 5 is bonded to the second outer seal 3 , which further improves the sealing effect.
[0029] Furthermore, the third cover of the first inner seal 4 and the third cover of the second inner seal 5 are bonded to each other, thereby achieving multiple sealing.
[0030] When in use, first the first inner seal 4 is sealed with the back-sealing bag body 1 and the first outer seal 2 respectively, then the second inner seal 5 is sealed with the back-sealing bag body 1 and the second outer seal 3 respectively, then the first inner seal 4 and the second inner seal 5 are sealed, and finally the first outer seal 2 and the second outer seal 3 are sealed, thereby realizing the function of multiple sealing, effectively improving the sealing effect, and solving the problem of poor sealing effect.
[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0032] It should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the utility model.
[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A portable back-sealed bag with high sealing performance, comprising a back-sealed bag body (1), characterized in that: A first outer seal (2) is arranged on one side of the back wall of the back-sealed bag body (1), a second outer seal (3) is arranged on the other side of the back wall of the back-sealed bag body (1), a first inner seal (4) is arranged on one side of the back-sealed bag body (1) and located inside the second outer seal (3), and a second inner seal (5) is arranged on one side of the back-sealed bag body (1) and located inside the second outer seal (3).
2. A portable back-sealed bag with high sealing performance according to claim 1, characterized in that: The first outer seal (2) and the second outer seal (3) are tightly fitted, and the first outer seal (2) and the second outer seal (3) are bonded to each other.
3. The portable back-sealed bag with high sealing performance according to claim 1, characterized in that: The first inner seal (4) has an "F"-shaped structure when viewed from above, and the first inner seal (4) is composed of three covers.
4. A portable back-sealed bag with high sealing performance according to claim 3, characterized in that: A cover of the first inner seal (4) is bonded to the back seal bag body (1), and a second cover of the first inner seal (4) is bonded to the first outer seal (2).
5. A portable back-sealed bag with high sealing performance according to claim 4, characterized in that: The second inner seal (5) is an "F"-shaped structure when viewed from above, and the second inner seal (5) is composed of three covers.
6. A portable back-sealed bag with high sealing performance according to claim 5, characterized in that: A front cover of the second inner seal (5) is bonded to the back-sealed bag body (1), and a second front cover of the second inner seal (5) is bonded to the second outer seal (3).
7. A portable back-sealed bag with high sealing performance according to claim 6, characterized in that: The third cover of the first inner seal (4) and the third cover of the second inner seal (5) are bonded to each other.