CN218908243U - Manual compression storage bag - Google Patents
Manual compression storage bag Download PDFInfo
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- CN218908243U CN218908243U CN202222879470.2U CN202222879470U CN218908243U CN 218908243 U CN218908243 U CN 218908243U CN 202222879470 U CN202222879470 U CN 202222879470U CN 218908243 U CN218908243 U CN 218908243U
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Abstract
The utility model discloses a manual compression storage bag, which comprises two bag body films enclosing a storage cavity and two valve films enclosing an exhaust channel, wherein the two valve films are clamped between the two bag body films, the exhaust channel is used for communicating the storage cavity with the outside of the storage bag, an exhaust port is formed at one end of the exhaust channel, which is communicated with the storage cavity, the two bag body films are connected through hot pressing to form a plurality of protection heat seal areas which are distributed at intervals, a first transverse heat seal line is formed between one valve film and the adjacent bag body film through hot pressing, another first transverse heat seal line is formed between the other valve film and the other bag body film at a corresponding position through hot pressing, the first transverse heat seal line is positioned between the protection heat seal areas and the exhaust port, and two ends of the first transverse heat seal line extend to two side edges of the bag body films respectively. This manual compression storage bag can also guarantee good exhaust effect when protecting the valve membrane.
Description
Technical Field
The utility model relates to the technical field of compression storage bags, in particular to a manual compression storage bag.
Background
The compression storage bags can be particularly divided into two major types, wherein one type is the compression storage bags needing to be by means of an air extraction tool, the occupied space is large, the production and transportation costs are high, the carrying and the operation are inconvenient, and the power-supply air extraction tool also has potential safety hazards; the other is a manually-exhausting compression storage bag without an air extracting tool, and the compression storage bag is easier to carry and accords with the concept of energy conservation and environmental protection.
Currently, a compression storage bag without an air extraction tool in the market is generally provided with a one-way exhaust valve utilizing a negative pressure principle, the exhaust valve mainly comprises two valve films, one or more exhaust channels are formed between the two valve films in a surrounding mode, a storage cavity of the storage bag can exhaust air to the outside through the exhaust channels, and after air is exhausted, the two valve films are closed under the action of external air pressure, so that a sealing effect is achieved; wherein, be formed with separation portion through hot pressing between two bag body membranes, this separation portion is located the one side that holds the thing chamber and is close to the valve membrane and separates with the valve membrane, so set up can separate the article that holds the thing chamber and accomodate with the valve membrane, play the effect of protection valve membrane.
However, the arrangement of the blocking portion can cause that the bag body film in the vicinity thereof (or the valve film and the valve film) is not easy to pull apart, that is, the film is easy to form close contact, so that part of the exhaust channel is difficult to use in the exhaust process, and the exhaust smoothness is not easy to improve. Therefore, how to improve the exhaust smoothness while providing the blocking portion is an urgent need in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a manual compression storage bag which can protect a valve membrane and ensure a good exhaust effect.
The utility model adopts the following technical scheme:
the utility model provides a manual compression storage bag, includes two bag body membranes that enclose into and has the holding chamber and encloses into two valve membranes that have the exhaust passage, two valve membranes clamp are arranged in between two bag body membranes, the exhaust passage is used for holding the holding chamber with accomodate the external intercommunication of bag, the exhaust passage intercommunication the one end in holding the holding chamber is formed with the gas vent, two bag body membranes are formed with a plurality of protection heat seal areas that are the interval distribution through hot pressing connection, and wherein one valve membrane is formed with first horizontal heat seal line through hot pressing seal between its adjacent bag body membrane, is formed with another first horizontal heat seal line through hot pressing seal in the corresponding position between another valve membrane and another bag body membrane, first horizontal heat seal line is located protection heat seal area with between the gas vent, just the both ends of first horizontal heat seal line extend to the both sides limit of bag body membrane respectively.
Further, the protective heat-seal area is strip-shaped, round, rectangular or oval.
Further, the protection heat-seal areas are arranged in a straight line, and the arrangement direction is parallel to the first transverse heat-seal line.
Further, the two bag body films also enclose a containing opening of the containing cavity, and a sealing switch is arranged at the containing opening.
Further, a second transverse heat sealing line is formed between one valve film and the adjacent bag body film through heat sealing, another second transverse heat sealing line is formed between the other valve film and the other bag body film at a corresponding position through heat sealing, and the second transverse heat sealing line is positioned at one side of the first transverse heat sealing line, which is opposite to the object accommodating cavity, and penetrates through the exhaust port of the exhaust channel.
Further, the two bag body films and the two valve films are formed with a plurality of longitudinal heat sealing lines through heat pressing and sealing, adjacent exhaust channels are separated through the longitudinal heat sealing lines, one end of each longitudinal heat sealing line is connected with the second transverse heat sealing line and separated from the first transverse heat sealing line, and the other end of each longitudinal heat sealing line extends back to the direction of the containing cavity.
Further, the longitudinal heat-seal line comprises a top area and a strip-shaped area, the strip-shaped area is positioned at one side of the top area, which is opposite to the object containing cavity, and the top area is penetrated by the second transverse heat-seal line and the adjacent exhaust ports are separated by the top area.
Further, at least one exhaust channel is provided, two ends of the width of the exhaust port of the exhaust channel are provided with a section of guide line positioned at the top area, the two sections of guide line are positioned at one side of the second transverse heat seal line facing the first transverse heat seal line, the inclination directions of the two sections of guide line relative to the center line of the exhaust port are opposite, and the exhaust port is in a necking structure with gradually reduced width along the exhaust direction.
Further, the convergence point of the extension lines of the two sections of guide lines towards the exhaust direction is positioned at one side of the second transverse heat seal line opposite to the first transverse heat seal line.
Further, the included angles between the two sections of guide lines and the central line of the exhaust port are smaller than or equal to 30 degrees.
Compared with the prior art, the utility model has the beneficial effects that:
according to the manual compression storage bag, the protection heat-sealing area is arranged to isolate the objects in the object containing cavity from the valve film, so that the valve film is protected; in addition, a first transverse heat sealing line is arranged between the protection heat sealing area and the exhaust port of the exhaust channel, the first transverse heat sealing line is formed by heat pressing and sealing of the valve film and the bag body film adjacent to the valve film, and the first transverse heat sealing line is relatively hard (compared with other parts of the film) and plays a role corresponding to a reinforcing rib.
Drawings
FIG. 1 is a cross-sectional view of a manual compression pocket according to a first embodiment of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is another cross-sectional view of a manual compression pocket according to a first embodiment of the present utility model;
fig. 4 is an enlarged view at B shown in fig. 3.
FIG. 5 is a cross-sectional view of a manual compression pocket according to a second embodiment of the present utility model;
fig. 6 is a cross-sectional view of a manual compression pocket according to a third embodiment of the present utility model.
In the figure: 1. a bag film; 10. a storage cavity; 11. protecting the heat sealing area; 12. a first transverse heat seal line; 13. a second transverse heat seal line; 14. a longitudinal heat seal line; 141. a top region; 142. a strip-shaped region; 1410. a drain line; 2. a valve membrane; 20. an exhaust passage; 21. an exhaust port; 22. angular lines; 3. and sealing the switch.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Embodiment one:
reference is made to fig. 1-4. The first embodiment of the utility model provides a manual compression storage bag, which comprises two bag body films 1 enclosing a storage cavity 10 and two valve films 2 enclosing an exhaust channel 20, wherein the two valve films 2 are clamped between the two bag body films 1, the exhaust channel 20 is used for communicating the storage cavity 10 with the outside of the storage bag, an exhaust port 21 is formed at one end of the exhaust channel 20, which is communicated with the storage cavity 10, the two bag body films 10 are connected by hot pressing to form a plurality of protection heat seal areas 11 which are distributed at intervals, a first transverse heat seal line 12 is formed between one valve film and the adjacent bag body film by hot pressing, another first transverse heat seal line 12 is formed between the other valve film and the other bag body film by hot pressing at a corresponding position, the first transverse heat seal line 12 is positioned between the protection heat seal areas 11 and the exhaust port 21, and two ends of the first transverse heat seal line 12 extend to two side edges of the bag body film 1 respectively; specifically, the protection heat-seal lands 11 may be elongated, circular, rectangular, oval, or the like, and the protection heat-seal lands 11 are arranged in a straight line, and the arrangement direction is parallel to the first transverse heat-seal line 12.
It can be seen that the protection heat-seal area 11 is arranged to isolate the objects in the object containing cavity 10 from the valve film 2, so that the valve film is protected; in addition, two first transverse heat-seal lines 12 are arranged between the protection heat-seal area 11 and the exhaust port 21 of the exhaust channel 20, the first transverse heat-seal lines 12 are formed by heat-pressing and sealing of valve films and bag films adjacent to the valve films, as the first transverse heat-seal lines 12 are relatively hard (compared with other parts of the films) and play a role corresponding to reinforcing ribs, when the storage bag is extruded to exhaust gas from the storage cavity, the first transverse heat-seal lines 12 can drive the adjacent areas to be pulled apart together, namely, the bag films and the valve films near the exhaust port(s) are pulled apart, and the two ends of the first transverse heat-seal lines extend to the two sides of the bag films, so that all the exhaust ports are opened, and the exhaust port(s) can be fully utilized to ensure good exhaust effect.
Naturally, in order to be able to access the articles, the two sheets of bag film 1 also enclose a receiving opening (not numbered) with an article receiving cavity 10, and the sealing switch 3 is arranged at the receiving opening; specifically, the sealing switch 3 may be a sealing rib or a sealing zipper, etc.
Preferably, a second transverse heat sealing line 13 is formed between one valve film and the adjacent bag body film through heat sealing, another second transverse heat sealing line 13 is formed between the other valve film and the other bag body film through heat sealing at a corresponding position, and the second transverse heat sealing line 13 is positioned at one side of the first transverse heat sealing line 12 opposite to the container cavity 10 and penetrates through the air outlet 21 of the air outlet channel 20. The second transverse heat-seal line 13 is relatively hard (compared with other parts of the film) and plays a role of a reinforcing rib, on one hand, the second transverse heat-seal line 13 can drive the nearby areas to be pulled together in the exhaust process, namely the valve film is pulled, and the exhaust gas is exhausted; on the other hand, after the exhaust is finished, when the valve film is closed under the action of the air pressure difference, the second transverse heat seal line 13 at the exhaust port can also help the exhaust port to be closed, so that a good airtight effect is ensured.
Preferably, the two bag body films 1 and the two valve films 2 are formed with a plurality of longitudinal heat seal lines 14 through heat press sealing, adjacent exhaust channels are separated through the longitudinal heat seal lines 14, one end of each longitudinal heat seal line 14 is connected with the second transverse heat seal line 13 and separated from the first transverse heat seal line 12, and the other end of each longitudinal heat seal line 14 extends in a direction opposite to the containing cavity 10. The primary purpose of the longitudinal heat seal line 14 is to form a plurality of vent passages and a plurality of vents in the valve film. The longitudinal heat-sealing line 14 comprises a top area 141 and a strip-shaped area 142, the strip-shaped area 142 is positioned on one side of the top area 141 opposite to the containing cavity 10, the top area 141 is penetrated by the second transverse heat-sealing line 13, and adjacent exhaust ports are separated by the top area 141.
Referring to fig. 2, the manual compression receiving bag preferably has at least one air discharge channel 20, both ends of the width of the air discharge opening 21 of which have a section of air guide line 1410 located at the top region 141, and both sides of the second transverse heat seal line 13 facing the first transverse heat seal line 12, the two sections of air guide lines 1410 are inclined in opposite directions with respect to the line (L line in fig. 3) of the air discharge opening 21, and the air discharge opening 21 is formed in a reduced structure with gradually reduced width along the air discharge direction, and the reduced structure facilitates the air discharge. The manual compression storage bag of the first embodiment of the utility model has most of the exhaust passages in the above-described form.
Specifically, the converging point (i.e., point Q in fig. 2) of the extension lines of the two flow guide lines 1410 toward the air discharge direction is located on the side of the second transverse heat seal line 13 opposite to the first transverse heat seal line 12. In order to achieve both the flow guiding effect and to enable the converging point Q to fall below the second transverse heat sealing line 13, the included angles between the two flow guiding lines and the line L may be designed to be less than or equal to 30 °. The design of the guide line 1410 can effectively guide air flow into the exhaust channel in the exhaust process, thereby being beneficial to maintaining the flow speed of the air, accelerating the exhaust efficiency of the air, ensuring that the exhaust is smoother, and saving time and labor in operation.
Preferably, a plurality of angular grains 22 positioned in the exhaust channel can be formed between the two valve body films through hot pressing, and the angular grains are arranged at intervals in a staggered way; the primary function of the angular pattern 22 is to prevent back flow of the gas by forming a circuitous path in the reverse direction.
Embodiment two:
in a first embodiment of the utility model, the exhaust passage is in the form of a plurality of equally divided portions.
Referring to fig. 5, the manual compression storage bag according to the second embodiment of the present utility model is different from the first embodiment in that: the vent passage 20 of the manual compression pocket is unequal and the actual width ratio of the vent passage may be designed for aesthetic or other functional needs.
Embodiment III:
in both the first and second embodiments of the present utility model, there is no provision for the bag film to cover the valve film, and in fact, there are respective benefits to the bag film either covering the valve film or extending from between the two bag films; in the case where the valve film is covered by the bag film, the bag film can function as a valve film for protection in this case.
As shown in fig. 6, in the manual compression storage bag according to the third embodiment of the present utility model, two valve films 2 extend from between the bottoms of two bag body films 1, and no bag body film covering is required, so that the material cost can be saved.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. The utility model provides a manual compression storage bag, includes two bag body membranes that enclose into and has the holding chamber and encloses into two valve membranes that have the exhaust passage, two valve membranes clamp are arranged in between two bag body membranes, its characterized in that, the exhaust passage is used for holding the external intercommunication of holding chamber and storage bag, the exhaust passage intercommunication the one end of holding the chamber is formed with the gas vent, two bag body membranes are formed with a plurality of protection heat seal areas that are the interval distribution through hot pressing connection, and wherein one valve membrane is formed with first horizontal heat seal line through hot pressing seal between its adjacent bag body membrane, is formed with another first horizontal heat seal line through hot pressing seal between another valve membrane and another bag body membrane in corresponding position, first horizontal heat seal line is located protection heat seal area with between the gas vent, just the both ends of first horizontal heat seal line extend to the both sides limit of bag body membrane respectively.
2. The manual compression pocket of claim 1, wherein: the protective heat-seal area is strip-shaped, round, rectangular or oval.
3. The manual compression pocket of claim 1, wherein: the protection heat seal areas are arranged in a straight line, and the arrangement direction is parallel to the first transverse heat seal line.
4. The manual compression pocket of claim 1, wherein: the two bag body films also enclose a containing opening of the containing cavity, and a sealing switch is arranged at the containing opening.
5. The manual compression pocket of any one of claims 1-4, wherein: and a second transverse heat sealing line is formed between one valve film and the adjacent bag body film through heat sealing, another second transverse heat sealing line is formed between the other valve film and the other bag body film at a corresponding position through heat sealing, and the second transverse heat sealing line is positioned at one side of the first transverse heat sealing line, which is opposite to the object containing cavity, and penetrates through the exhaust port of the exhaust channel.
6. The manual compression pocket of claim 5, wherein: the two bag body films and the two valve films are formed with a plurality of longitudinal heat sealing lines through heat pressing and sealing, adjacent exhaust channels are separated through the longitudinal heat sealing lines, one end of each longitudinal heat sealing line is connected with the second transverse heat sealing line and separated from the first transverse heat sealing line, and the other end of each longitudinal heat sealing line extends back to the direction of the containing cavity.
7. The manual compression pocket of claim 6, wherein: the longitudinal heat seal line comprises a top area and a strip-shaped area, the strip-shaped area is positioned at one side of the top area opposite to the object containing cavity, and the top area is penetrated by the second transverse heat seal line and adjacent exhaust ports are separated by the top area.
8. The manual compression pocket of claim 7, wherein: at least one exhaust channel is arranged, two ends of the width of the exhaust port are provided with a section of guide line positioned at the top area, the two sections of guide lines are positioned at one side of the second transverse heat seal line facing the first transverse heat seal line, the inclination directions of the two sections of guide lines relative to the center line of the exhaust port are opposite, and the exhaust port is in a necking structure with gradually reduced width along the exhaust direction.
9. The manual compression pocket of claim 8, wherein: and the converging point of the extension lines of the two sections of guide lines towards the exhaust direction is positioned at one side of the second transverse heat sealing line opposite to the first transverse heat sealing line.
10. The manual compression pocket of claim 9, wherein: and the included angles between the two sections of guide lines and the central line of the exhaust port are smaller than or equal to 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222879470.2U CN218908243U (en) | 2022-10-31 | 2022-10-31 | Manual compression storage bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222879470.2U CN218908243U (en) | 2022-10-31 | 2022-10-31 | Manual compression storage bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218908243U true CN218908243U (en) | 2023-04-25 |
Family
ID=86049906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222879470.2U Active CN218908243U (en) | 2022-10-31 | 2022-10-31 | Manual compression storage bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218908243U (en) |
-
2022
- 2022-10-31 CN CN202222879470.2U patent/CN218908243U/en active Active
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