CN209459975U - A kind of portable gas sampling device - Google Patents
A kind of portable gas sampling device Download PDFInfo
- Publication number
- CN209459975U CN209459975U CN201821856893.XU CN201821856893U CN209459975U CN 209459975 U CN209459975 U CN 209459975U CN 201821856893 U CN201821856893 U CN 201821856893U CN 209459975 U CN209459975 U CN 209459975U
- Authority
- CN
- China
- Prior art keywords
- collection tube
- air inlet
- piston
- interconnecting piece
- bottling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to gas collecting device fields, more particularly to a kind of portable gas sampling device, including collection tube, one end of the collection tube is equipped with air inlet, the first check valve is equipped in the air inlet, the inside of collection tube is equipped with piston, the piston is equipped with air exhaust rod far from one end center of air inlet, the air exhaust rod is equipped with pumping handle far from one end of piston, collection tube is respectively equipped with packing mouth close to air inlet one end two sides, subpackage apparatus is equipped on packing mouth described in two groups, the subpackage apparatus includes sub-bottling, bottle cap, interconnecting piece and connection mouth, the sub-bottling is connected by screw thread with bottle cap, the bottle cap is equipped with interconnecting piece far from one end of sub-bottling, the inner wall of the interconnecting piece is equipped with internal screw thread, interconnecting piece is connected by internal screw thread with packing mouth.The utility model can accurate quantitative air to be measured, it is easy to operate, and sub-bottling and collection tube are detachable, it is separated, it is easy to carry.
Description
Technical field
The utility model relates to gas collecting device field more particularly to a kind of portable gas sampling devices.
Background technique
With the exacerbation of global environmental pollution, soil, river water and air pollution all seriously affected people production and
Life, various countries are all in the comprehensive treatment for reinforcing environment.The comprehensive treatment of environment be unable to do without detection, empty in environmental testing
The detection of makings amount is the conventional detection project of comparison.
Air acquisition sample under the prior art is not only portable, but also the stream due to that can not see gas when pumping
It is dynamic, it can not determine the amount for extracting air, when the air capacity of extraction is very few, be unable to satisfy detection demand, need to repeat to extract, influence
Working efficiency, we have devised a kind of portable gas sampling device to solve problem above thus.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of portable gas proposed
Acquisition device.
To achieve the goals above, the utility model adopts the technical scheme that
One end of a kind of portable gas sampling device, including collection tube, the collection tube is equipped with air inlet, the air inlet
The first check valve is equipped in mouthful, the inside of collection tube is equipped with piston, and the piston is equipped with pumping far from one end center of air inlet
Bar, the air exhaust rod are equipped with pumping handle far from one end of piston, and collection tube is respectively equipped with packing close to air inlet one end two sides
Mouthful, subpackage apparatus is equipped on packing mouth described in two groups, the subpackage apparatus includes sub-bottling, bottle cap, interconnecting piece and connection mouth,
The sub-bottling is connected by screw thread with bottle cap, and the bottle cap is equipped with interconnecting piece far from one end of sub-bottling, the interconnecting piece
Inner wall is equipped with internal screw thread, and interconnecting piece is connected by internal screw thread with packing mouth, and bottle cap is equipped with connection mouth close to the side of interconnecting piece,
And the inside of connection mouth is equipped with second one-way valve.
Preferably, the outside of the collection tube is equipped with graduation mark.
Preferably, the air inlet has been connected through a screw thread extending connector, and extending connector connects far from one end of air inlet
It is connected to extension tracheae.
Preferably, the piston is socketed on air exhaust rod, and air exhaust rod is screwed with the first limit spiral shell across one end of piston
Mother, and piston is equipped with the second stop nut far from the side of the first stop nut.
Preferably, circular sheet rubber is equipped between the piston and the second stop nut, and the center of sheet rubber is equipped with
The through-hole matched with air exhaust rod.
Preferably, the collection tube is screwed with sealing cover by screw thread far from one end of air inlet.
Compared with prior art, the utility model has the beneficial effects that
1, the depth or height that when in use, acquire air as needed select the extension tracheae of suitable length, by prolonging
Lengthening joint is connected on air inlet, easy to operate, applied widely;
2, according to the volume of sub-bottling, it quantitatively can be collected into air sample to be measured, it is empty when being pushed in no normal direction sub-bottling
When gas, i.e., provable sub-bottling is filled by air to be measured, ensure that the abundance of detection dosage;
3, sub-bottling can be facilitated to connect and split with collection tube by subpackage apparatus, after fractionation, collection tube and sub-bottling can
It is separated, it is easy to carry.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of portable gas sampling device structural schematic diagram;
Fig. 2 be the utility model proposes a kind of portable gas sampling device sub-bottling and packing mouth connection structure
Schematic diagram;
Fig. 3 be the utility model proposes a kind of portable gas sampling device bottle cap top view.
In figure: 1 collection tube, 2 air inlets, 3 first check valves, 4 pistons, 5 air exhaust rods, 6 pumping handles, 7 packing mouths, 8 points
Assembling device, 81 sub-bottlings, 82 bottle caps, 83 interconnecting pieces, 84 connection mouths, 9 second one-way valves, 10 extending connectors, 11 extend tracheae, 12
First stop nut, 13 second stop nuts, 14 sheet rubbers, 15 sealing covers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, the outside of a kind of portable gas sampling device, including collection tube 1, collection tube 1 is equipped with graduation mark,
One end of collection tube 1 is equipped with air inlet 2, is equipped with the first check valve 3 in air inlet 2, air inlet 2 has been connected through a screw thread extension and has connect
First 10, and extending connector 10 is connected with far from one end of air inlet 2 and extends tracheae 11, the one end of collection tube 1 far from air inlet 2 is logical
It crosses screw thread and is screwed with sealing cover 15, the inside of collection tube 1 is equipped with piston 4, and piston 4 is equipped with far from one end center of air inlet 2 and takes out
Gas bar 5, piston 4 are socketed on air exhaust rod 5, and air exhaust rod 5 is screwed with the first stop nut 12 across one end of piston 4, and living
It fills in 4 sides far from the first stop nut 12 and is equipped with the second stop nut 13, circle is equipped between piston 4 and the second stop nut 13
The sheet rubber 14 of shape, and the center of sheet rubber 14 is equipped with the through-hole matched with air exhaust rod 5, the one end of air exhaust rod 5 far from piston 4
Equipped with pumping handle 6, collection tube 1 is respectively equipped with packing mouth 7 close to 2 one end two sides of air inlet, is equipped on two groups of packing mouths 7 point
Assembling device 8, subpackage apparatus 8 include sub-bottling 81, bottle cap 82, interconnecting piece 83 and connection mouth 84, and sub-bottling 81 passes through screw thread and bottle
Lid 82 is connected, and bottle cap 82 is equipped with interconnecting piece 83 far from one end of sub-bottling 81, and the inner wall of interconnecting piece 83 is equipped with internal screw thread, connection
Portion 83 is connected by internal screw thread with packing mouth 7, bottle cap 82 close to the side of interconnecting piece 83 equipped with connection mouth 84, and connection mouth 84
Inside is equipped with second one-way valve 9.
Working principle: when in use, the depth or height that acquire air as needed select the extension tracheae of suitable length
11, it is connected on air inlet 2 by extending connector 10, then by drawing air exhaust rod 5 outside pumping handle 6, air can be pumped into and be adopted
Collect in cylinder 1, according to the volume of sub-bottling 81, piston 4 is drawn at suitable scale, it is then reversed to push pumping handle 6, due to
The setting of first check valve 3, then gas can be entered in sub-bottling 81 by dispensing mouth 7 by connection mouth 84, until pull hand
Until handle 6 cannot push away down again, it is loaded with air sample in sub-bottling 81 at this time, then screws off bottle cap 82 and extending connector 10,
Can be convenient for the carrying of collection tube 1, present apparatus structure is simple, design rationally, can accurate quantitative air to be measured, it is easy to operate,
And sub-bottling 81 and collection tube 1 are detachable, and it is separated, it is easy to carry.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of portable gas sampling device, including collection tube (1), which is characterized in that one end of the collection tube (1) is equipped with
Air inlet (2), the air inlet (2) is interior to be equipped with the first check valve (3), and the inside of collection tube (1) is equipped with piston (4), the work
It fills in (4) and is equipped with air exhaust rod (5) far from one end center of air inlet (2), the air exhaust rod (5) is equipped with far from the one end of piston (4)
It is evacuated handle (6), collection tube (1) is respectively equipped with packing mouth (7) close to air inlet (2) one end two sides, dispenses mouth (7) described in two groups
On be equipped with subpackage apparatus (8), the subpackage apparatus (8) includes sub-bottling (81), bottle cap (82), interconnecting piece (83) and connection mouth
(84), the sub-bottling (81) is connected by screw thread with bottle cap (82), and the bottle cap (82) sets far from the one end of sub-bottling (81)
Have interconnecting piece (83), the inner wall of the interconnecting piece (83) is equipped with internal screw thread, and interconnecting piece (83) passes through internal screw thread and packing mouth (7)
It is connected, bottle cap (82) is equipped with connection mouth (84) close to the side of interconnecting piece (83), and the inside of connection mouth (84) is equipped with the second list
To valve (9).
2. a kind of portable gas sampling device according to claim 1, which is characterized in that outside the collection tube (1)
Side is equipped with graduation mark.
3. a kind of portable gas sampling device according to claim 1, which is characterized in that the air inlet (2) passes through
It is threaded with extending connector (10), and extending connector (10) is connected with far from the one end of air inlet (2) and extends tracheae (11).
4. a kind of portable gas sampling device according to claim 1, which is characterized in that the piston (4) is socketed in
On air exhaust rod (5), and air exhaust rod (5) is screwed with the first stop nut (12) across the one end of piston (4), and piston (4) is separate
The side of first stop nut (12) is equipped with the second stop nut (13).
5. a kind of portable gas sampling device according to claim 1, which is characterized in that the piston (4) and second
Circular sheet rubber (14) are equipped between stop nut (13), and the center of sheet rubber (14) is equipped with and matches with air exhaust rod (5)
Through-hole.
6. a kind of portable gas sampling device according to claim 1, which is characterized in that the collection tube (1) is separate
One end of air inlet (2) is screwed with sealing cover (15) by screw thread.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821856893.XU CN209459975U (en) | 2018-11-12 | 2018-11-12 | A kind of portable gas sampling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821856893.XU CN209459975U (en) | 2018-11-12 | 2018-11-12 | A kind of portable gas sampling device |
Publications (1)
Publication Number | Publication Date |
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CN209459975U true CN209459975U (en) | 2019-10-01 |
Family
ID=68038157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821856893.XU Expired - Fee Related CN209459975U (en) | 2018-11-12 | 2018-11-12 | A kind of portable gas sampling device |
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CN (1) | CN209459975U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022126493A1 (en) * | 2020-12-15 | 2022-06-23 | 南京新益升环保科技有限公司 | Indoor voc collection device |
-
2018
- 2018-11-12 CN CN201821856893.XU patent/CN209459975U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022126493A1 (en) * | 2020-12-15 | 2022-06-23 | 南京新益升环保科技有限公司 | Indoor voc collection device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20201112 |
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CF01 | Termination of patent right due to non-payment of annual fee |