CN210762168U - Four-layer inflatable bag - Google Patents
Four-layer inflatable bag Download PDFInfo
- Publication number
- CN210762168U CN210762168U CN201921714211.6U CN201921714211U CN210762168U CN 210762168 U CN210762168 U CN 210762168U CN 201921714211 U CN201921714211 U CN 201921714211U CN 210762168 U CN210762168 U CN 210762168U
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- film
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- inflatable bag
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- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Abstract
The utility model discloses a four-layer air bag, include: an inflatable bag body provided with four layers of films; the inflatable bag body is sequentially provided with a first layer of film, a second layer of film, a third layer of film and a fourth layer of film from top to bottom; the left side, the right side and the bottom of the inflatable bag body are all thermally sealed together through a thermal sealing line; a first inflation cavity and a second inflation cavity are arranged between the first layer of film and the second layer of film and between the third layer of film and the fourth layer of film; an air valve is arranged at the upper end between the first layer of film and the second layer of film; the upper ends of the third layer of film and the fourth layer of film are connected; the lower parts of the second layer of film and the third layer of film are provided with heat-sealing limiting lines; a product placing cavity is formed between the second layer of film and the third layer of film through a limiting line; and the two ends of the second layer of film and the third layer of film below the limiting line are respectively provided with an air passing hole. In this way, the utility model discloses can effectively fix the product, better protection product reduces the gas bag use amount.
Description
Technical Field
The utility model relates to an improvement of air bag, in particular to simple structure, convenient to use, this air bag structure can effectively fix the product, better protection product reduces the four-layer air bag of air bag use amount.
Background
AIR bag, airbag, english name AIR bag. The packaging industry has the following alternative names: a cushion bag, an air bag, a fill bag, an air bag, a liner bag, a one-way air intake bag, a bag fill bag, a cushion fill bag, and the like. Its species are mainly the following two: PE buffer inflatable bags and composite buffer inflatable bags; however, the existing inflatable bags have a single cavity, and the product cannot be effectively protected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a simple structure, and convenient to use, this air bag structure can effectively fix the product, better protects the product, reduces the four-layer air bag of air bag use amount.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a four-ply airbag comprising: an inflatable bag body provided with four layers of films; the inflatable bag body is sequentially provided with a first layer of film, a second layer of film, a third layer of film and a fourth layer of film from top to bottom; the left side, the right side and the bottom of the first layer of film, the second layer of film, the third layer of film and the fourth layer of film are all heat-sealed together through heat-sealing lines; a first inflation cavity is arranged between the first layer of film and the second layer of film; an air valve is arranged at the upper end between the first layer of film and the second layer of film; a second inflation cavity is arranged between the third layer of film and the fourth layer of film; the upper ends of the third layer of film and the fourth layer of film are connected; the lower parts of the second layer of film and the third layer of film are provided with heat-sealing limiting lines; a product placing cavity is formed between the second layer of film and the third layer of film through a limiting line; two ends of the second layer of film and the third layer of film, which are positioned below the limiting line, are respectively provided with an air passing hole; the air passing holes penetrate through the second layer of film and the third layer of film, so that the first inflation cavity is communicated with the second inflation cavity.
Preferably, the middle part between the first layer of film and the second layer of film and the middle part between the third layer of film and the fourth layer of film are provided with gas-closing parts; a first air-closing part is arranged in the middle between the first layer of film and the second layer of film; a second air-closing part is arranged in the middle between the third layer of film and the fourth layer of film; the first gas-closing part and the second gas-closing part are overlapped; the centers of the first air-closing part and the second air-closing part are respectively provided with an air hole; the air holes penetrate through the first layer of film, the second layer of film, the third layer of film and the fourth layer of film.
Preferably, the first and second airtight parts are both circular.
Preferably, the third film and the fourth film are integrally connected at the upper end.
Preferably, the gas valve may be a single valve or a continuous gas valve.
The utility model has the advantages that: a four-layer air bag, simple structure, convenient to use, this air bag structure can effectively fix the product, better protection product reduces the air bag use amount.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1 is a schematic structural view of a single air valve of a four-layer inflatable bag according to the present invention.
Figure 2 is a schematic structural view of the four-layer inflatable bag continuous air valve of the present invention.
Wherein: 1. an airbag body; 2. a single air valve; 3. a limiting line; 4. air passing holes; 5. a gas-blocking part; 6. air holes are formed; 7. a continuous gas valve; 8. an air inlet.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 and 2, the present invention includes:
in order to solve the technical problem, the utility model discloses a technical scheme be a four-layer air bag, include: an air bag body 1 provided with four layers of films; the inflatable bag body 1 is sequentially provided with a first layer of film, a second layer of film, a third layer of film and a fourth layer of film from top to bottom; the left side, the right side and the bottom of the first layer of film, the second layer of film, the third layer of film and the fourth layer of film are all heat-sealed together through heat-sealing lines; a first inflation cavity is arranged between the first layer of film and the second layer of film; an air valve is arranged at the upper end between the first layer of film and the second layer of film; a second inflation cavity is arranged between the third layer of film and the fourth layer of film; the upper ends of the third layer of film and the fourth layer of film are connected; the lower parts of the second layer of film and the third layer of film are provided with heat-sealing limiting lines 3; a product placing cavity is formed between the second layer of film and the third layer of film through a limiting line 3; two ends of the second layer of film and the third layer of film, which are positioned below the limiting line 3, are respectively provided with a gas passing hole 4; the air holes 4 penetrate through the second layer film and the third layer film, so that the first inflation cavity is communicated with the second inflation cavity.
The middle part between the first layer of film and the second layer of film and the middle part between the third layer of film and the fourth layer of film are provided with gas-closing parts 5; a first gas-closing part 5 is arranged in the middle between the first layer of film and the second layer of film; a second gas-closing part 5 is arranged in the middle between the third layer of film and the fourth layer of film; the first and second gas-closing parts 5 and 5 are overlapped; the centers of the first air closing part 5 and the second air closing part 5 are respectively provided with an air hole 6; the air holes 6 penetrate the first layer of film, the second layer of film, the third layer of film and the fourth layer of film; the first and second gas-closing parts 5 and 5 are circular.
The upper ends of the third layer of film and the fourth layer of film are connected into a whole.
The gas valve can be a single valve or a continuous gas valve 7.
During the use, place the product and place the cavity in the product to through 3 restriction product positions on spacing line, then aerify through pneumatic valve income gas port 8 and pour into gas into the gas bag, make and fill with gas in the first gas cavity of aerifing, and aerify the cavity through gas pocket 4 for the second and be full of gas, then sealed pneumatic valve can.
The utility model has the advantages that: a four-layer air bag, simple structure, convenient to use, this air bag structure can effectively fix the product, better protection product reduces the air bag use amount.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. A four-layer inflatable bag is characterized in that: the method comprises the following steps: an inflatable bag body provided with four layers of films; the inflatable bag body is sequentially provided with a first layer of film, a second layer of film, a third layer of film and a fourth layer of film from top to bottom; the left side, the right side and the bottom of the first layer of film, the second layer of film, the third layer of film and the fourth layer of film are all heat-sealed together through heat-sealing lines; a first inflation cavity is arranged between the first layer of film and the second layer of film; an air valve is arranged at the upper end between the first layer of film and the second layer of film; a second inflation cavity is arranged between the third layer of film and the fourth layer of film; the upper ends of the third layer of film and the fourth layer of film are connected; the lower parts of the second layer of film and the third layer of film are provided with heat-sealing limiting lines; a product placing cavity is formed between the second layer of film and the third layer of film through a limiting line; two ends of the second layer of film and the third layer of film, which are positioned below the limiting line, are respectively provided with an air passing hole; the air passing holes penetrate through the second layer of film and the third layer of film, so that the first inflation cavity is communicated with the second inflation cavity.
2. The four-ply airbag of claim 1, wherein: the middle part between the first layer of film and the second layer of film and the middle part between the third layer of film and the fourth layer of film are provided with air-tight parts; a first air-closing part is arranged in the middle between the first layer of film and the second layer of film; a second air-closing part is arranged in the middle between the third layer of film and the fourth layer of film; the first gas-closing part and the second gas-closing part are overlapped; the centers of the first air-closing part and the second air-closing part are respectively provided with an air hole; the air holes penetrate through the first layer of film, the second layer of film, the third layer of film and the fourth layer of film.
3. The four-ply airbag of claim 2, wherein: the first air-closing part and the second air-closing part are both circular.
4. The four-ply airbag of claim 1, wherein: the upper ends of the third layer of film and the fourth layer of film are connected into a whole.
5. The four-ply airbag of claim 1, wherein: the gas valve can be a single valve or a continuous gas valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714211.6U CN210762168U (en) | 2019-10-14 | 2019-10-14 | Four-layer inflatable bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714211.6U CN210762168U (en) | 2019-10-14 | 2019-10-14 | Four-layer inflatable bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210762168U true CN210762168U (en) | 2020-06-16 |
Family
ID=71056879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921714211.6U Active CN210762168U (en) | 2019-10-14 | 2019-10-14 | Four-layer inflatable bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210762168U (en) |
-
2019
- 2019-10-14 CN CN201921714211.6U patent/CN210762168U/en active Active
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