CN206459867U - NMHC analyzes special sampler - Google Patents
NMHC analyzes special sampler Download PDFInfo
- Publication number
- CN206459867U CN206459867U CN201720185066.1U CN201720185066U CN206459867U CN 206459867 U CN206459867 U CN 206459867U CN 201720185066 U CN201720185066 U CN 201720185066U CN 206459867 U CN206459867 U CN 206459867U
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- sealing
- sampling cylinder
- piston
- nut
- sealing nut
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Abstract
Special sampler, including handle, piston rod, sampling cylinder, piston, the first sealing nut and the second sealing nut are analyzed the utility model discloses a kind of NMHC, the handle is connected with piston rod top, and bottom and the piston of piston rod are detachably connected；Piston is with sampling cylinder inner wall sealing with merging and being slided in sampling cylinder, and the top of sampling cylinder is provided with the external screw thread being adapted with the first sealing nut, and the first sealing nut is used for the top for sealing sampling cylinder；The bottom of sampling cylinder is provided with gas inlet and outlet, and gas inlet and outlet is provided with the external screw thread being adapted with the second sealing nut, and the second sealing nut is imported and exported for sealing gas；Second sealing nut bottom is provided with through hole, and through hole is provided with the silica gel pad for being used for sealing through hole.The utility model is simple in construction, operation facility, and air-tightness is good, can extend the Sample storage time, so as to improve the degree of accuracy of NMHC analysis.
Description
Technical field
The utility model is related to a kind of NMHC analysis special sampler, for gathering in surrounding air, pollution sources
NMHC.
Background technology
NMHC is the more typical analysis project of environmental monitoring, and the sampler used at present is 100mL glass
Syringe, commercially available glass syringe sealing is poor, is unfavorable for the transport and preservation of sample.Gathered using this syringe
Sample, be separated by a period of time analyze same sample, obtained data often differ larger, and laboratory is transported to from sampling
Analysis has generated great deviation, is unfavorable for evaluating the emission behaviour of NMHC in pollution sources, is also unfavorable for evaluating
The present situation of NMHC in surrounding air.
Utility model content
The purpose of this utility model is to design simple, operation letter there is provided one kind for drawbacks described above of the prior art
Just, air-tightness is high, and can extend the NMHC analysis special sampler of holding time.
To realize above-mentioned utility model purpose, the utility model employs following technical scheme：
A kind of NMHC analyzes special sampler, including handle, piston rod, sampling cylinder, piston, the first sealing nut
And second sealing nut, the handle is connected with piston rod top, and bottom and the piston of piston rod are detachably connected；Piston with
Sampling cylinder inner wall sealing can be slided with merging in sampling cylinder, and the top of sampling cylinder is provided with what is be adapted with the first sealing nut
External screw thread, the first sealing nut is used for the top for sealing sampling cylinder；The bottom of sampling cylinder is provided with gas inlet and outlet, gas inlet and outlet
Provided with the external screw thread being adapted with the second sealing nut, the second sealing nut is imported and exported for sealing gas；Second sealing nut
Bottom is provided with through hole, and through hole is provided with the silica gel pad for being used for sealing through hole.
Provided with embedded nut in described piston, the bottom of piston rod is provided with the external screw thread being adapted with embedded nut, living
The bottom of stopper rod is detachably connected by embedded nut with piston.
Described piston rod and handle is made up of aluminum alloy materials, and described piston is made up of polytetrafluoroethylmaterial material, institute
Sampling cylinder, the first sealing nut and the second sealing nut stated are made up of stainless steel material.
Each part of the utility model, which is taken, is detachably connected design, convenient to carry out, low with simple in construction, cost
Advantage honest and clean, easy to use；For gathering during the NMHC in surrounding air or pollution sources, air-tightness is good, can extend
The Sample storage time, so that the degree of accuracy of NMHC analysis is improved, reduction experimenter's analysis difficulty.
Brief description of the drawings
Structural representation when Fig. 1 is NMHC analysis special sampler sampling described in the utility model.
Fig. 2 is the structural representation of sealing preserve after NMHC analysis special sampler sampling described in the utility model
Figure.
Reference is：
1. handle, 2. piston rods, 3. sampling cylinders, 4. pistons, 5. embedded nuts, 6. gas inlet and outlets, 7. second sealing spiral shells
Cap, 8. silica gel pads, 9. first sealing nuts.
Embodiment
Technical solutions of the utility model are made with further nonrestrictive detailed below in conjunction with preferred embodiment and its accompanying drawing
Explanation.
As depicted in figs. 1 and 2, a kind of NMHC analysis special sampler, including handle 1, piston rod 2, sampling cylinder
3rd, piston 4, the first sealing nut 9 and the second sealing nut 7, the handle 1 are connected with the top of piston rod 2, are provided with piston 4
Embedded nut 5, the edge card of embedded nut 5 only exposes screw thread mouth in piston 4；The bottom of piston rod 2 is provided with and embedded nut 5
Adaptable external screw thread, the bottom of piston rod 2 is detachably connected by embedded nut 5 with piston 4, and piston rod 2 is by embedding spiral shell
Cap 5 can be slided with piston 4 in sampling cylinder 3.Piston 4 coordinates with the inner wall sealing of sampling cylinder 3, and the top of sampling cylinder 3 is provided with
The external screw thread being adapted with the first sealing nut 9, the first sealing nut 9 is used for the top for sealing sampling cylinder 3；The bottom of sampling cylinder 3
Portion is provided with gas inlet and outlet 6, and gas inlet and outlet 6 is provided with the external screw thread being adapted with the second sealing nut 7, the second sealing nut 7
6 are imported and exported for sealing gas；The bottom of second sealing nut 7 is provided with through hole, and through hole is provided with the silicagel pad for being used for sealing through hole
Piece 8.
Described piston rod 2 and handle 1 is made up of aluminum alloy materials, and described piston 4 is made up of polytetrafluoroethylmaterial material,
Described sampling cylinder 3, the first sealing nut 9 and the second sealing nut 7 is made up of stainless steel material.
Application method of the present utility model is as follows：
(1) as shown in figure 1, when sampling, the first sealing nut 9 and the second sealing nut 7 on sampling cylinder 3 are outwarded winding, by work
Stopper rod 2 is connected with the embedded nut 5 in piston 4, and piston 4 is pushed into the lowermost end of sampling cylinder 3 arranges the gas in sampling cylinder 3
Go out, just can start sampling.
(2) as shown in Fig. 2 silica gel pad 8, which is put into the second sealing nut 7, seals through hole；After sampling is finished, first use
Second sealing nut 7 seals gas inlet and outlet；Piston rod 2 is pulled down from embedded nut 5 again, finally with the first sealing
Nut 9 seals the top of sampling cylinder 3；Sample can be preserved.
(3), it is necessary to from the interior taking-up sample segment of sampling cylinder 3, syringe can separately be taken, by syringe during lab analysis
Syringe needle is passed through from the through hole and silica gel pad 8 of the second sealing nut 7, and syringe needle, which is extended, can extract appropriate amount of sample inside sampling cylinder 3；
Extraction extracts syringe needle after finishing, due to the physical characteristic of of silica gel pad 8 itself, and sampling cylinder 3 remains to keep sealing.
Claims (3)
1. a kind of NMHC analyzes special sampler, including handle, piston rod, sampling cylinder and piston, the handle and work
Stopper rod top is connected, and piston is matched somebody with somebody with sampling cylinder inner wall sealing and merges and can be slided in sampling cylinder, it is characterised in that the sampling
Device also includes the first sealing nut and the second sealing nut, and the top of sampling cylinder is provided with the outer spiral shell being adapted with the first sealing nut
Line, the first sealing nut is used for the top for sealing sampling cylinder；The bottom of sampling cylinder is provided with gas inlet and outlet, and gas inlet and outlet is provided with
The external screw thread being adapted with the second sealing nut, the second sealing nut is imported and exported for sealing gas；Second sealing nut bottom
Provided with through hole, through hole is provided with the silica gel pad for being used for sealing through hole；The bottom of the piston rod is detachably connected with piston.
2. NMHC according to claim 1 analyzes special sampler, it is characterised in that be provided with described piston
Embedded nut, the bottom of piston rod is provided with the external screw thread being adapted with embedded nut, the bottom of piston rod by embedded nut with
Piston is detachably connected.
3. NMHC according to claim 1 analyzes special sampler, it is characterised in that described piston rod and hand
Handle is made up of aluminum alloy materials, and described piston is made up of polytetrafluoroethylmaterial material, described sampling cylinder, the first sealing nut and
Second sealing nut is made up of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185066.1U CN206459867U (en) | 2017-02-28 | 2017-02-28 | NMHC analyzes special sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185066.1U CN206459867U (en) | 2017-02-28 | 2017-02-28 | NMHC analyzes special sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459867U true CN206459867U (en) | 2017-09-01 |
Family
ID=59690350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720185066.1U Expired - Fee Related CN206459867U (en) | 2017-02-28 | 2017-02-28 | NMHC analyzes special sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206459867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593370A (en) * | 2018-06-26 | 2018-09-28 | 中国科学院东北地理与农业生态研究所 | The bleeder sample bottle and its application process measured for carbon stable isotope in carbon dioxide |
-
2017
- 2017-02-28 CN CN201720185066.1U patent/CN206459867U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593370A (en) * | 2018-06-26 | 2018-09-28 | 中国科学院东北地理与农业生态研究所 | The bleeder sample bottle and its application process measured for carbon stable isotope in carbon dioxide |
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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: 20170901 Termination date: 20180228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |