CN205844046U - A kind of gas sampling assembly for environment measuring - Google Patents
A kind of gas sampling assembly for environment measuring Download PDFInfo
- Publication number
- CN205844046U CN205844046U CN201620795859.0U CN201620795859U CN205844046U CN 205844046 U CN205844046 U CN 205844046U CN 201620795859 U CN201620795859 U CN 201620795859U CN 205844046 U CN205844046 U CN 205844046U
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- Prior art keywords
- casing
- film
- drainage screen
- tube
- gear
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Abstract
The utility model discloses a kind of gas sampling assembly for environment measuring, including casing, piston, the first rotation film, the second rotation film, the first gear, the second gear, handle, connecting rod, connector, sampling head, telescoping tube, corrugated tube, connecting tube, receiving flask, escape pipe, the first valve, the second valve；Casing is provided with air inlet, venthole, connecting hole, and the roof of casing is provided with installing hole, is provided with the first receiving chamber and second and accommodates chamber in casing；Piston is placed in the first receiving intracavity, and piston is removable with casing to be connected；Air inlet, connecting hole all accommodate chamber with first and are connected, and air inlet, connecting hole are positioned at the same side of piston；Connecting hole, venthole all accommodate chamber with second and are connected；First rotates film is placed in the first receiving intracavity, and the first end of the first rotation film is hinged with casing, and the first the second end rotating film is free end, and first rotates film is used for closing or opening air inlet.
Description
Technical field
This utility model relates to environment measuring equipment technical field, particularly relates to a kind of gas sampling for environment measuring
Device.
Background technology
Along with China's urbanization in recent years and industrialized fast development, urban air pollution problem becomes increasingly
Seriously, harm and the threat of many healthy and safe aspects is brought to urbanite.Along with many advanced analysis methodology successively
Exploitation, the analysis testing level of environmental sample is greatly improved.But, the collecting work of ambient air sample is also by many
The restriction of condition, the most conventional active sample devices of air, because volume is big, need use driven by power etc., makes the big rule in field
Mould sampling is difficult to.In order to solve this problem, scholar is had to propose the theory of passive air sampling.PAS is with surrounding medium
Between concentration difference be driving force, spread by gas molecule, absorption, deposition and penetration theory, it is achieved adsorbing material is to mesh
The capture of mark pollutant.It is little that PAS has volume, easy to carry, it is not necessary to the advantages such as electric power supply, it is possible to the longer time gathers
The organic pollution of low concentration in environment, and then obtain pollutant time weighted average concentration to reflect that the mankind are exposed to dirt for a long time
Survival state in dye environment.Public's environmental pollution, haze weather deteriorate increasingly " the people are boiled with resentment ".
Existing gas sampling assembly structure is complicated, volume is relatively big, and Detection results is poor, is further improved.
Utility model content
In order to solve technical problem present in background technology, the utility model proposes a kind of gas for environment measuring
Sampler body device, effective.
A kind of gas sampling assembly for environment measuring, including casing, piston, first rotate film, second rotate film, the
One gear, the second gear, handle, connecting rod, connector, sampling head, telescoping tube, corrugated tube, connecting tube, receiving flask, escape pipe,
One valve, the second valve；
Casing is provided with air inlet, venthole, connecting hole, and the roof of casing is provided with installing hole, is provided with first in casing
Accommodate chamber and second and accommodate chamber；
Piston is placed in the first receiving intracavity, and piston is removable with casing to be connected；
Air inlet, connecting hole all accommodate chamber with first and are connected, and air inlet, connecting hole are positioned at the same side of piston；
Connecting hole, venthole all accommodate chamber with second and are connected；
First rotates film is placed in the first receiving intracavity, and the first end of the first rotation film is hinged with casing, and first rotates film
Second end is free end, and first rotates film is used for closing or opening air inlet；
Second rotates film is placed in the second receiving intracavity, and the first end of the second rotation film is hinged with casing, and second rotates film
Second end is free end, and second rotates film is used for closing or opening connecting hole；
First gear, the second gear are all rotatably installed on the roof of casing, and the first gear, the second gear engage each other；
Handle is arranged on the first gear；
Connecting rod is placed in the inner side of installing hole, and the first end of connecting rod is connected with piston, the second end of connecting rod by connector with
The edge of the second gear is hinged；
Sampling head is arranged on the first end of telescoping tube, and the second end of telescoping tube is connected with the first end of corrugated tube；Corrugated tube
The second end be connected with air inlet；
First end of connecting tube is connected with venthole, and the second end of connecting tube is placed in receiving flask；
One end of escape pipe is placed in receiving flask；
First valve is arranged in connecting tube, and the second valve is arranged on escape pipe.
Preferably, also include that the first drainage screen, the second drainage screen, the first drainage screen, the second drainage screen are placed in connecting tube
In, the first drainage screen, the second drainage screen are respectively positioned on the downstream of the first valve, and the second drainage screen is positioned at the downstream of the first drainage screen
Side, the aperture of the second drainage screen is less than the aperture of the first drainage screen.
Preferably, the tube wall of connecting tube is provided with the first impurity discharging port, the second impurity discharging port, water inlet, the first chock plug, the second plug
Head, water pump；First impurity discharging port is placed between the first valve and the first drainage screen, and the second impurity discharging port is placed in the first drainage screen and second
Drainage screen is placed in, and water inlet is positioned at the downstream of the second drainage screen；
First chock plug is arranged on the first impurity discharging port, and the second chock plug is arranged on the second impurity discharging port；
Water pump is connected with water inlet.
Preferably, telescoping tube is provided with heater.
Preferably, the peripheral surface of piston is provided with multiple counterbore, the distribution straggly of multiple counterbores, and the aperture of counterbore is 10-20
Micron.
Preferably, corrugated tube is made up of multiple trough portions spaced apart, crest portion；The waveform in trough portion includes multistage half
The circular arc that footpath is different and the radius closer to the circular arc of trough the lowest point are the biggest, and the waveform in crest portion includes the circle that multistage radius is different
Arc and the radius closer to the circular arc of crest summit are the biggest.
In this utility model, utilize handle to drive the first pinion rotation, drive live by the second gear, connector, connecting rod
Plug constantly moves up and down, and then constantly compression the first receiving chamber；Extraneous gas is through telescoping tube, corrugated tube, air inlet
Enter the first receiving intracavity, then, in connecting hole, enter the second receiving chamber, then in connecting tube enters receiving flask.
After employing completes, the first valve of closing the door, it is prevented effectively from gas leak；When needing gas is analyzed, open
Second valve, allows gas discharge through escape pipe from receiving flask, easy to use.
This utility model simple in construction, simple in construction, easy to use, good airproof performance of sampling, using effect is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation in Fig. 1 after the amplification of a-quadrant.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutual combination；Below with reference to the accompanying drawings and in conjunction with the embodiments to this utility model elaborate.
With reference to Fig. 1,2:
A kind of gas sampling assembly for environment measuring that the utility model proposes, including 2, first turn of casing 1, piston
Dynamic film 3, second rotate film the 4, first gear the 5, second gear 6, handle 7, connecting rod 8, connector 9, sampling head 10, telescoping tube 11,
Corrugated tube 12, connecting tube 13, receiving flask 14, escape pipe the 29, first valve the 15, second valve 16.
Casing 1 is provided with air inlet 17, venthole 18, connecting hole 19, and the roof of casing 1 is provided with installing hole, in casing 1
It is provided with the first receiving chamber and second and accommodates chamber.
Piston 2 is placed in the first receiving intracavity, and piston 2 is removable with casing 1 to be connected.
Air inlet 17, connecting hole 19 all accommodate chamber with first and are connected, and air inlet 17, connecting hole 19 are positioned at the same of piston 2
Side.
Connecting hole 19, venthole 18 all accommodate chamber with second and are connected.
First rotates film 3 is placed in the first receiving intracavity, and the first end of the first rotation film 3 is hinged with casing 1, and first rotates film
Second end of 3 is free end, and first rotates film 3 is used for closing or open air inlet 17.
Second rotates film 4 is placed in the second receiving intracavity, and the first end of the second rotation film 4 is hinged with casing 1, and second rotates film
Second end of 4 is free end, and second rotates film 4 is used for closing or open connecting hole 19.
First gear the 5, second gear 6 is all rotatably installed on the roof of casing 1, and first gear the 5, second gear 6 is mutual
Engagement.
Handle 7 is arranged on the first gear 5；Connecting rod 8 is placed in the inner side of installing hole, and the first end of connecting rod 8 is with piston 2 even
Connecing, the second end of connecting rod 8 is hinged with the edge of the second gear 6 by connector 9.
Sampling head 10 is arranged on the first end of telescoping tube 11, and the second end of telescoping tube 11 connects with the first end of corrugated tube 12
Connect；Second end of corrugated tube 12 is connected with air inlet 17.
Telescoping tube, corrugated tube can allow sampling head move flexibly, rotate, it is simple to carry out gas in less space and adopt
Sample.
First end of connecting tube 13 is connected with venthole 18, and the second end of connecting tube 13 is placed in receiving flask 14.
One end of escape pipe 29 is placed in receiving flask 14；First valve 15 is arranged in connecting tube 13, and the second valve 16 is pacified
It is contained on escape pipe 29.
The present embodiment also includes that first drainage screen the 20, second drainage screen 21, first drainage screen the 20, second drainage screen 21 are all put
In connecting tube 13, first drainage screen the 20, second drainage screen 21 is respectively positioned on the downstream of the first valve 15, the second drainage screen 21
In the downstream of the first drainage screen 20, the aperture of the second drainage screen 21 is less than the aperture of the first drainage screen 20；Gas can be entered
Row classified filtering, it is to avoid blocking；Improve sample effect.
Further, the tube wall of connecting tube 13 is provided with first impurity discharging port the 22, second impurity discharging port 23, water inlet 24, first
Chock plug the 25, second chock plug 26, water pump 27；First impurity discharging port 22 is placed between the first valve 15 and the first drainage screen 20, second row
Miscellaneous mouth 23 is placed in the first drainage screen 20 and the second drainage screen 21 is placed in, and water inlet 24 is positioned at the downstream of the second drainage screen 21.
First chock plug 25 is arranged on the first impurity discharging port 22, and the second chock plug 26 is arranged on the second impurity discharging port 23；Water pump 27
It is connected with water inlet 24.Close the first valve 15, open second valve the 16, first chock plug the 25, second chock plug 26, utilize water pump 27
In connecting tube 13, it is passed through clear water, first drainage screen the 20, second drainage screen 21, connecting tube 13, receiving flask 14 is carried out backwash,
Improve sample effect.
In the present embodiment, telescoping tube 11 is provided with heater 28；Ensure gas temperature, gas be dried, it is ensured that
Sample effect.
In the present embodiment, the peripheral surface of piston 2 is provided with multiple counterbore, the distribution straggly of multiple counterbores, and the aperture of counterbore is
10-20 micron；Piston 2 and casing 1 can produce grinding when rubbing, and utilize counterbore to store grinding, reduce friction, improve and use the longevity
Life.
In the present embodiment, corrugated tube 12 is made up of multiple trough portions spaced apart, crest portion；The waveform in trough portion includes
The circular arc that multistage radius is different and the radius closer to the circular arc of trough the lowest point are the biggest, and the waveform in crest portion includes multistage radius not
Same circular arc and the radius closer to the circular arc of crest summit are the biggest.
By trough portion is designed as including circular arc that multistage radius is different and the radius of the circular arc closer to trough the lowest point
The biggest, can effectively disperse the bending stress in trough portion during corrugated tube axial stretching, and trough arc surface unit plane can be reduced
Incremental deformation on Ji, by being designed as including circular arc that multistage radius is different and the circular arc closer to crest summit by crest portion
Radius the biggest, can effectively disperse the bending stress in crest portion during corrugated tube axial stretching, and crest arc surface can be reduced
Incremental deformation in unit are, such that it is able to be obviously prolonged crest portion and the time of trough portion generation fracture, can improve ripple
The service life of stricture of vagina pipe.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art is in the technical scope that this utility model discloses, according to this practicality
Novel technical scheme and utility model thereof conceive equivalent or change in addition, all should contain at protection model of the present utility model
Within enclosing.
Claims (6)
1. the gas sampling assembly for environment measuring, it is characterised in that include casing, piston, first rotate film, second
Rotate film, the first gear, the second gear, handle, connecting rod, connector, sampling head, telescoping tube, corrugated tube, connecting tube, receiving flask,
Escape pipe, the first valve, the second valve；
Casing is provided with air inlet, venthole, connecting hole, and the roof of casing is provided with installing hole, is provided with the first receiving in casing
Chamber and second accommodates chamber；
Piston is placed in the first receiving intracavity, and piston is removable with casing to be connected；
Air inlet, connecting hole all accommodate chamber with first and are connected, and air inlet, connecting hole are positioned at the same side of piston；
Connecting hole, venthole all accommodate chamber with second and are connected；
First rotates film is placed in the first receiving intracavity, and the first end of the first rotation film is hinged with casing, and first rotates the second of film
End is free end, and first rotates film is used for closing or opening air inlet；
Second rotates film is placed in the second receiving intracavity, and the first end of the second rotation film is hinged with casing, and second rotates the second of film
End is free end, and second rotates film is used for closing or opening connecting hole；
First gear, the second gear are all rotatably installed on the roof of casing, and the first gear, the second gear engage each other；
Handle is arranged on the first gear；
Connecting rod is placed in the inner side of installing hole, and the first end of connecting rod is connected with piston, and the second end of connecting rod passes through connector and second
The edge of gear is hinged；
Sampling head is arranged on the first end of telescoping tube, and the second end of telescoping tube is connected with the first end of corrugated tube；The of corrugated tube
Two ends are connected with air inlet；
First end of connecting tube is connected with venthole, and the second end of connecting tube is placed in receiving flask；
One end of escape pipe is placed in receiving flask；
First valve is arranged in connecting tube, and the second valve is arranged on escape pipe.
Gas sampling assembly for environment measuring the most according to claim 1, it is characterised in that also include the first filtration
Net, the second drainage screen, the first drainage screen, the second drainage screen be placed in connecting tube, and the first drainage screen, the second drainage screen are respectively positioned on
The downstream of the first valve, the second drainage screen is positioned at the downstream of the first drainage screen, and the aperture of the second drainage screen is less than the first mistake
The aperture of filter screen.
Gas sampling assembly for environment measuring the most according to claim 2, it is characterised in that on the tube wall of connecting tube
It is provided with the first impurity discharging port, the second impurity discharging port, water inlet, the first chock plug, the second chock plug, water pump；First impurity discharging port is placed in the first valve
Between door and the first drainage screen, the second impurity discharging port is placed in the first drainage screen and the second drainage screen is placed in, and water inlet is positioned at the second mistake
The downstream of filter screen；
First chock plug is arranged on the first impurity discharging port, and the second chock plug is arranged on the second impurity discharging port；
Water pump is connected with water inlet.
Gas sampling assembly for environment measuring the most according to claim 1, it is characterised in that be provided with on telescoping tube
Heater.
Gas sampling assembly for environment measuring the most according to claim 1, it is characterised in that the peripheral surface of piston
Being provided with multiple counterbore, the distribution straggly of multiple counterbores, the aperture of counterbore is 10-20 micron.
Gas sampling assembly for environment measuring the most according to claim 1, it is characterised in that corrugated tube is by multiple
Every distribution trough portion, crest portion composition；The waveform in trough portion includes the different circular arc of multistage radius and closer to trough the lowest point
The radius of circular arc the biggest, the waveform in crest portion includes the different circular arc of multistage radius and half of the circular arc closer to crest summit
Footpath is the biggest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795859.0U CN205844046U (en) | 2016-07-26 | 2016-07-26 | A kind of gas sampling assembly for environment measuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795859.0U CN205844046U (en) | 2016-07-26 | 2016-07-26 | A kind of gas sampling assembly for environment measuring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844046U true CN205844046U (en) | 2016-12-28 |
Family
ID=57640892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620795859.0U Expired - Fee Related CN205844046U (en) | 2016-07-26 | 2016-07-26 | A kind of gas sampling assembly for environment measuring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508153A (en) * | 2018-04-02 | 2018-09-07 | 苏州科技大学 | A kind of removable outdoor environmental protection detection device |
| CN109030119A (en) * | 2018-07-04 | 2018-12-18 | 无锡南理工科技发展有限公司 | A kind of oil-refining chemical enterprise security environmental protection gas sampling assembly and its application method |
-
2016
- 2016-07-26 CN CN201620795859.0U patent/CN205844046U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508153A (en) * | 2018-04-02 | 2018-09-07 | 苏州科技大学 | A kind of removable outdoor environmental protection detection device |
| CN109030119A (en) * | 2018-07-04 | 2018-12-18 | 无锡南理工科技发展有限公司 | A kind of oil-refining chemical enterprise security environmental protection gas sampling assembly and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190726 |