CN215374725U - Liquid seal type aluminum foil gas collecting bag - Google Patents
Liquid seal type aluminum foil gas collecting bag Download PDFInfo
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- CN215374725U CN215374725U CN202121653880.4U CN202121653880U CN215374725U CN 215374725 U CN215374725 U CN 215374725U CN 202121653880 U CN202121653880 U CN 202121653880U CN 215374725 U CN215374725 U CN 215374725U
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Abstract
The utility model discloses a liquid-sealed aluminum foil gas collecting bag which comprises an inner bag body, an outer bag body and a liquid-sealed interlayer, wherein the inner bag body is arranged in the outer bag body, the inner bag body is provided with a sealing outer layer and an aluminum foil lining, and the liquid-sealed interlayer is arranged between the sealing outer layer and the outer bag body; the inner bag body and the outer bag body share the top edge, and are fixed at the position of the top edge in a hot-pressing manner; the surface of the lower part of the top edge of the outer bag body is provided with a self-suction air valve, and the inner side of the self-suction air valve is connected with the volume cavity of the inner bag body; the outer bag body is also provided with a rubber injection seat, and the inner side of the rubber plug injection seat is connected with a liquid seal interlayer; the liquid seal interlayer and the inner bag body are in a vacuum pumping state when not in use. The liquid-sealed aluminum foil gas collection bag has excellent sealing performance, the state of a gas sample in the inner bag body is easy to observe, and gas leakage can be effectively prevented.
Description
Technical Field
The utility model relates to the technical field of experimental equipment, in particular to a liquid-sealed aluminum foil gas collecting bag.
Background
At present, environmental gas is often required to be collected by using a gas sampling technology in the fields of mining and metallurgy, environmental protection, rescue and laboratories so as to perform subsequent operations after analysis, and the common gas sampling technology mainly uses a gas sampling bag as a sampling tool.
However, the gas sample collection bag in the prior art generally comprises a spherical rubber bag body, wherein an air valve is arranged on the bag body or is externally connected with the air valve through an air pipe, so that external gas is introduced into the bag body through the air valve, and then the bag body is sealed by using an easy-to-seal or sealing cover; also there are some disposable aluminium foil air collecting bags on the market, but this kind of air collecting bag structure is comparatively simple, causes the corrosion damage to the bag body easily when gathering corrosive gas, and the bag body is mostly single-layer structure, and protectiveness and air tightness are relatively poor, appear leaking gas easily in the use or outside gas gets into the contaminated condition that leads to the gas sample of preserving in the sampling bag, and difficult quilt is perceived when leaking gas, influences the degree of accuracy of gas analysis quantity value.
SUMMERY OF THE UTILITY MODEL
The present invention provides a liquid-sealed aluminum foil gas collecting bag to solve the above-mentioned drawbacks in the prior art.
The technical problem solved by the utility model is realized by adopting the following technical scheme:
a liquid-sealed aluminum foil gas collecting bag comprises an inner bag body, an outer bag body and a liquid-sealed interlayer, wherein the inner bag body is arranged in the outer bag body, the inner bag body is provided with a sealing outer layer and an aluminum foil lining, and the liquid-sealed interlayer is arranged between the sealing outer layer and the outer bag body; the inner bag body and the outer bag body share the top edge, and are fixed at the position of the top edge in a hot-pressing manner; the surface of the lower part of the top edge of the outer bag body is provided with a self-suction air valve, and the inner side of the self-suction air valve is connected with the volume cavity of the inner bag body; the outer bag body is also provided with a rubber injection seat, and the inner side of the rubber plug injection seat is connected with a liquid seal interlayer; the liquid seal interlayer and the inner bag body are in a vacuum pumping state when not in use.
The outer bag body is a PVC bag body or a kraft paper bag or a fabric bag with the inner side subjected to waterproof treatment.
As a further limitation, the sealing outer layer of the inner bag body is a PVC film layer or a PP film layer or a PE film layer.
As a further limitation, the outer bag body is a rectangular bag body, and the inner bag body is a pear-shaped bag body or a water-drop-shaped bag body.
As a further limitation, the upper part of the outer bag body is also provided with a sampling ring, the sampling ring penetrates through the outer bag body and the inner bag body, the position penetrating through the outer bag body and the inner bag body is sealed through a rubber gasket, and the sampling ring is provided with a rubber sealing gasket.
As a further limitation, the self-suction air valve is pressed and sealed at the connecting position with the outer bag body through a sealing ring, and a sealing and closing cover is further arranged on the self-suction air valve.
As a further limitation, the outer edge of the outer bag body is sealed and sealed in a hot-pressing sealing mode after edge covering, and the rubber plug injection seat is molded at the position of the hot-pressing edge.
Has the advantages that: the liquid-sealed aluminum foil gas collecting bag can be used as a disposable article, is of a sheet structure in an unused state and is easy to store, when gas collecting operation is carried out, a self-suction gas valve is used for collecting gas and then an inner bag body is sealed, and then a rubber plug injection seat is used for injecting liquid into a liquid-sealed interlayer for filling, so that the air tightness of the gas sample collecting bag can be effectively improved through liquid sealing, meanwhile, the inner bag body can be protected in a buffering mode in the transportation and storage processes, and meanwhile, the liquid in the liquid-sealed interlayer can also be used for detecting whether the inner bag body leaks gas and the amount of gas leakage.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a rubber plug injection seat; 2. a top edge; 3. a handle aperture; 4. a sampling ring; 5. a self-aspirating air valve; 6. an outer bag body; 7. a liquid seal interlayer; 8. an inner bag body; 9. and (5) hot-pressing the edges.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.
Referring to fig. 1, a preferred embodiment of a liquid-sealed aluminum foil gas collection bag, in this embodiment, the liquid-sealed aluminum foil gas collection bag includes an inner bag body 8 and an outer bag body 6, the outer bag body 6 is a rectangular bag body, and the left and right sides and the bottom edge of the rectangular bag body are subjected to edge covering treatment and then are subjected to hot-pressing to obtain hot-pressing edges 9 so as to ensure sealing performance.
In this embodiment, the outer bag 6 is a PVC bag, but in other embodiments, a waterproof kraft paper bag or a fabric bag may be used as the outer bag 6.
Be provided with the inner bag body 8 in the outer bag body 6, this inner bag body 8 is the pear shape bag body, and its upper portion and outer bag body 6 sharing topside 2 to carry out the hot pressing and in 2 positions on topside, this topside 2 is for widening the topside, and be provided with handle hole 3 on topside 2 in order to conveniently carry the operation of taking after the sampling. And inner bag 8 is including sealed skin and aluminium foil inside lining, and its sealed skin is one deck PP rete, and the shaping of aluminium foil lining in PP rete internal surface to as an organic whole with the shaping of PP rete, the PP rete can effectively prevent that the gas appearance from leaking, and the aluminium foil can prevent that the gas appearance from reacting with the plastics rete and influence the purity of gas appearance and the stability of composition.
The interlayer structure between the outer bag body 6 and the inner bag body 8 is a liquid-sealed interlayer 7, and the liquid-sealed interlayer 7 is provided with a rubber plug injection seat 1 at the position of a hot-pressing edge 9 at the left side to be communicated with the liquid-sealed interlayer 7; simultaneously still be provided with sample ring 4 and from the pneumatic valve 5 of breathing in on outer bag body 6, wherein, sample ring 4 and from the pneumatic valve 5 of breathing in all pass outer bag body 6 and inner bag body 8 to link to each other with the internal volume chamber of inner bag 8, and pass outer bag body and inner bag body in sample ring 4 and from the position of pneumatic valve 5 of breathing in correspondence and seal through the rubber packing ring.
In this embodiment, the liquid-sealed aluminum foil gas collecting bag is in a flat state when not in use, and the liquid-sealed interlayer is in a vacuum state. During the use, take liquid seal formula aluminium foil gas production bag to waiting to gather the region, open from the pneumatic valve 5 of breathing in, can inhale interior bag 8 with ambient gas, then close from the pneumatic valve 5 of breathing in to cover from the pneumatic valve 5 of breathing in order to prevent the maloperation through sealed closing cap. Then inject liquid into the liquid seal interlayer 7 through the rubber plug injection seat 1 to realize the liquid seal of the inner bag 8, and under the condition that the rubber plug injection seat 1, the sampling ring 4 and the self-suction air valve 5 have good sealing performance, the liquid seal interlayer 7 can be filled with liquid to buffer and impact-resistant protect the inner bag 8, and when the gas in the inner bag 8 leaks, the gas can still be stored in the liquid seal interlayer 7, and the gas leakage condition can be judged by observing the amount and the position of the bubbles in the liquid seal interlayer 7, and the gas leakage cannot escape to cause environmental pollution.
And when taking a sample, only need take a sample 4 positions in the sample ring utilize the syringe can, can effectively prevent gas leakage to be convenient for sample many times.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.
Claims (7)
1. A liquid-sealed aluminum foil gas collecting bag is characterized by comprising an inner bag body, an outer bag body and a liquid-sealed interlayer, wherein the inner bag body is arranged in the outer bag body, the inner bag body is provided with a sealing outer layer and an aluminum foil lining, and the liquid-sealed interlayer is arranged between the sealing outer layer and the outer bag body; the inner bag body and the outer bag body share the top edge, and are fixed at the position of the top edge in a hot-pressing manner; the surface of the lower part of the top edge of the outer bag body is provided with a self-suction air valve, and the inner side of the self-suction air valve is connected with the volume cavity of the inner bag body; a rubber plug injection seat is also arranged on the outer bag body, and the inner side of the rubber plug injection seat is connected with a liquid seal interlayer; the liquid seal interlayer and the inner bag body are in a vacuum pumping state when not in use.
2. The liquid-sealed aluminum foil gas collection bag according to claim 1, wherein the outer bag body is a PVC bag body or a kraft paper bag or a fabric bag having a waterproof treated inner side.
3. The liquid-sealed aluminum foil gas collecting bag as recited in claim 1, wherein the outer sealing layer of the inner bag body is a PVC film layer, a PP film layer or a PE film layer.
4. The liquid-sealed aluminum foil gas collection bag according to claim 1, wherein the outer bag body is a rectangular bag body, and the inner bag body is a pear-shaped bag body or a drop-shaped bag body.
5. The liquid-sealed aluminum foil gas collection bag as claimed in claim 1, wherein a sampling ring is further provided at an upper portion of the outer bag body, the sampling ring penetrates through the outer bag body and the inner bag body, and is sealed by a rubber gasket at a position penetrating through the outer bag body and the inner bag body, and a rubber gasket is provided on the sampling ring.
6. The liquid-sealed aluminum foil gas collecting bag as recited in claim 1, wherein the self-suction gas valve is pressed and sealed by a sealing ring at a connection position with the outer bag body, and a sealing cover is further provided on the self-suction gas valve.
7. The liquid-sealed aluminum foil gas collecting bag according to claim 1, wherein the outer edge of the outer bag body is sealed and sealed by a heat pressing and sealing method after being covered with an edge, and the rubber plug injection seat is molded at the position of the heat pressing edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121653880.4U CN215374725U (en) | 2021-07-21 | 2021-07-21 | Liquid seal type aluminum foil gas collecting bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121653880.4U CN215374725U (en) | 2021-07-21 | 2021-07-21 | Liquid seal type aluminum foil gas collecting bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215374725U true CN215374725U (en) | 2021-12-31 |
Family
ID=79610464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121653880.4U Active CN215374725U (en) | 2021-07-21 | 2021-07-21 | Liquid seal type aluminum foil gas collecting bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215374725U (en) |
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2021
- 2021-07-21 CN CN202121653880.4U patent/CN215374725U/en active Active
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