CN109883774A - A kind of ambient air sampling acquires canned clamp mechanism and application method - Google Patents
A kind of ambient air sampling acquires canned clamp mechanism and application method Download PDFInfo
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- CN109883774A CN109883774A CN201910236082.2A CN201910236082A CN109883774A CN 109883774 A CN109883774 A CN 109883774A CN 201910236082 A CN201910236082 A CN 201910236082A CN 109883774 A CN109883774 A CN 109883774A
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- tank
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- inner sleeve
- outer cover
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- 238000005070 sampling Methods 0.000 title claims abstract description 21
- 239000012080 ambient air Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 239000003570 air Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000001179 sorption measurement Methods 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims 1
- 239000003463 adsorbent Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of ambient air samplings to acquire canned clamp mechanism and application method, and it further includes admission gear and clamping mechanism that device, which includes sample acquisition tank,；Sample acquisition tank is folded between upper sealing panel and lower sealing plate；Admission gear is set to the upper end of upper sealing panel；Clamping mechanism is equipped on the outside of admission gear；Method is to lift connecting rod, offsets the pressure that holddown spring applies sample acquisition tank, sample acquisition tank is taken out from clamping mechanism；The adsorption substrates for carrying out sample analysis and more renewing；Folding handle is decontroled, in the lower end of lower sealing plate the air sample of acquisition is collected into sample using vacuum pump by adsorbent material and acquired in tank.Sample acquisition tank of the present invention realizes connection sealing by the sealing ring being arranged between upper sealing panel and lower sealing plate；Holddown spring provides reliable sealing pressing force；The tank connected q&r of sample collection can be improved, operation is simplified, improves efficiency to avoid the inconvenience and fault that operator generates when tightening screw thread.
Description
Technical field
The present invention relates to a kind of mechanism and application method more particularly to a kind of ambient air sampling acquire canned clamp mechanism and
Application method.
Background technique
In order to surrounding air, garbage incinerating power plant regional environment air and other contain persistence organic pollutant
It is monitored with dioxin contamination object in the surrounding air of floating dust, needs to acquire air using filtering and absorption principle in sampling
In pollutant sample.Therefore, sample acquisition tank is the necessary component of such sampling instrument.Currently, domestic sample acquires tank one
As be all by sample acquisition tank mechanically on instrument add, connection type use threaded connection method.In this way, when sample acquires
When completion needs replacing sample acquisition tank, operator, which needs to dismantle the collet threaded at sealing, removes sample acquisition tank.Due to
Operating space is small, and threaded connection place frictional force is larger, and it is extremely inconvenient to operate, if with the sample acquisition tank peace of stylish installation
It is improper to fill, and is also easy to produce the defect of poor sealing.
Summary of the invention
In order to solve shortcoming present in above-mentioned technology, the present invention provides a kind of acquisition of ambient air sampling is canned
Clamp mechanism and application method.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of ambient air sampling acquisition is canned
Clamp mechanism, including sample acquire tank, further include admission gear and clamping mechanism；It is close under that sample acquisition tank is folded in upper sealing panel
Between sealing plate；The inside of upper sealing panel and lower sealing plate is provided with axial through-hole；Sample acquire tank internal cavities and it is upper,
Through-hole in lower sealing plate is connected；Admission gear is set to the upper end of upper sealing panel；Clamping is equipped on the outside of admission gear
Mechanism；
Clamping mechanism includes sliding outer cover and the sliding inner sleeve inside sliding outer cover, and sliding inner sleeve is along sliding outer cover
Lower movement；Sliding inner sleeve is placed on the upper end of upper sealing panel, and sliding inner sleeve is fixedly connected with upper sealing panel；Outside sliding inner sleeve
Side is equipped with lateral sliding guide column；Vertical housing guide groove is offered on sliding outer cover；Sliding guide column is inserted in housing and leads
Into slot；
Folding handle is provided on the outside of sliding outer cover；Opening and closing handle includes fixed link, handle arm and connecting rod；It is fixed
Bar is fixedly mounted on the side of sliding outer cover, and the both ends of fixed link are hinged with handle arm；Handle arm is to sliding outer cover
The other side extend and the end of handle arm is provided with connecting rod；Lateral arm guide groove is offered on handle arm；
The sliding guide column being pierced by from housing guide groove is plugged in arm guide groove；The end of sliding guide column is provided with nut；
Admission gear includes air inlet funnel and gas circuit connecting pipe；Air inlet funnel is fixedly installed in the upper end of sliding outer cover, and
The gas circuit connecting pipe extended downwardly is provided in the middle part of air inlet funnel；The lower end of gas circuit connecting pipe is fixedly connected with upper sealing panel；
The inside of gas circuit connecting pipe is equipped with bushing pipe, outside is equipped with holddown spring；The upper end of holddown spring and sliding outer cover stationary phase
It connects, lower end and sliding inner sleeve are fixedly connected；Gas circuit connecting pipe is telescoping tube.
Further, rubber seal is provided between sample acquisition tank and upper sealing panel, lower sealing plate.
Further, sliding guide column is multiple, multiple sliding guide columns and multiple housing guide grooves one with housing guide groove
One is corresponding.
Further, sample acquires the cover that tank includes tank body and is hinged on tank body；Pass through card between cover and tank body
Button fastening.
The step of a kind of ambient air sampling acquires the application method of canned clamp mechanism, method are as follows:
A, connecting rod is lifted up, since the other end of handle arm is fixed in fixed link, surrounds handle arm
Fixed link moves in a circle；Simultaneously the arm guide groove on handle arm move upwards drive sliding guide column along housing guide groove to
Upper movement；Since sliding guide column and sliding inner sleeve are fixedly connected, move upwards sliding inner sleeve along sliding outer cover；During movement,
Sliding inner sleeve constantly compresses holddown spring upwards, the pressure that holddown spring applies sample acquisition tank is offset, to facilitate sample
Product acquisition tank takes out from clamping mechanism；
B, after sample acquisition tank takes out, lift folding handle and reappose the new sample acquisition tank of replacement in upper and lower close
Between sealing plate；
C, folding handle is decontroled, holddown spring is made while compressing upper sealing panel, lower sealing plate and sample acquisition tank；Due under
There is through-hole in the inside of sealing plate, therefore will acquire air sample using vacuum pump in the lower end of lower sealing plate and acquire tank by sample
Extraction；Harmful substance in acquisition air sample will be adsorbed in the adsorption substrates in sample acquisition tank；
D, vacuum pump is closed, the sample that step a and step b taking-up acquisition is completed is repeated and acquires tank, new sample is acquired
Tank, which is reapposed between upper-lower seal plate, carries out ambient air sampling acquisition next time.
Sample acquisition tank of the present invention realizes connection sealing by the sealing ring being arranged between upper sealing panel and lower sealing plate；
Holddown spring provides reliable sealing pressing force；With the help of opening and closing handle lever force, operator can easily be lifted
It plays acquisition tank upper sealing panel to take out the acquisition tank that acquisition is completed or be put into sample collection tank to be collected, avoids and be used for
The inconvenience and fault that operator generates when tightening screw thread, improve quality that sample collection tank connects in sampling instrument gas circuit and
Reliability simplifies operation, improves efficiency.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the overall structure diagram of admission gear and clamping mechanism.
In figure: 1, air inlet funnel；2, holddown spring；3, gas circuit connecting pipe；4, sliding inner sleeve；5, upper sealing panel；6, sample
Acquire tank；7, lower sealing plate；8, handle arm；9, connecting rod；10, sliding outer cover；11, arm guide groove；12, housing is oriented to
Slot；13, sliding guide column.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
The canned clamp mechanism of a kind of ambient air sampling acquisition shown in Fig. 1~2, including sample acquire tank 6, further include air inlet
Mechanism and clamping mechanism.
Sample acquisition tank 6 is folded between upper sealing panel 5 and lower sealing plate 7, and sample acquires tank and upper sealing panel, lower sealing
Rubber seal is provided between plate.On the one hand upper sealing panel and lower sealing plate can play the work of support sample acquisition tank
With, on the other hand can to sample acquire tank be sealed；The inside of upper sealing panel and lower sealing plate is provided with axial lead to
Hole；The internal cavities of sample acquisition tank are connected with the through-hole in upper and lower sealing plate；Admission gear is set to upper sealing panel 5
Upper end；
Clamping mechanism is equipped on the outside of admission gear, clamping mechanism is used to provide pressure for upper sealing panel and lower sealing plate
Sealing, and can simplify the replacement process of sample acquisition tank；Clamping mechanism includes sliding outer cover 10 and is located in sliding outer cover
The sliding inner sleeve 4 in portion, sliding inner sleeve move up and down along sliding outer cover；Sliding inner sleeve is placed on the upper end of upper sealing panel, and slides
Inner sleeve is fixedly connected with upper sealing panel, and sliding inner sleeve can drive upper sealing panel to move；It is equipped on the outside of sliding inner sleeve lateral
Sliding guide column 13；Vertical housing guide groove 12 is offered on sliding outer cover；Sliding guide column 13 is inserted in housing guide groove 12；
Sliding guide column 13 is multiple, multiple sliding guide columns and multiple housing guide grooves one-to-one correspondence with housing guide groove 12；This implementation
Sliding guide column and housing guide groove are 4 in example, and are uniformly distributed；Housing guide groove can provide movement rail for sliding guide column
Road, and the setting of housing guide groove and sliding guide column limits the relative circular movement of sliding inner sleeve and sliding outer cover, to prevent
Only gas circuit connecting pipe distorts.
Folding handle is provided on the outside of sliding outer cover, folding handle can be controlled by manpower or be shaken by motor and crank
Linkage replaces carrying out automatically controlling；Opening and closing handle includes fixed link, handle arm 8 and connecting rod 9；Fixed link is fixedly mounted on
The side of sliding outer cover, and the both ends of fixed link are hinged with handle arm 8；Handle arm extends to the other side of sliding outer cover
And the end of handle arm is provided with connecting rod 9；Lateral arm guide groove 11 is offered on handle arm；Arm guide groove
In be plugged with the sliding guide column being pierced by from housing guide groove；The end of sliding guide column is provided with nut, and nut can fix sliding
Guide post prevents sliding guide column from skidding off from arm guide groove or housing guide groove；
Admission gear includes air inlet funnel 1 and gas circuit connecting pipe 3；Air inlet funnel 1 is fixedly installed in the upper end of sliding outer cover,
And the gas circuit connecting pipe 3 extended downwardly is provided in the middle part of air inlet funnel, air inlet funnel is the entrance that gas enters, for collecting
The surrounding air of acquisition simultaneously conveys surrounding air to gas circuit connecting pipe；The lower end of gas circuit connecting pipe and upper sealing panel stationary phase
It connects；The inside of gas circuit connecting pipe is equipped with bushing pipe, outside is equipped with holddown spring 2, and lining pipe is with by the shape of gas circuit connecting pipe
It props up, prevents gas circuit connecting pipe shrivelled to influence to use in vacuum；The upper end of holddown spring 2 is fixed with sliding outer cover
Connect, lower end and sliding inner sleeve are fixedly connected, holddown spring is in compressive state in the inside of sliding outer cover, the pressure under compressive state
Tight spring can form downward active force, and this active force can compress downwards upper sealing panel, and active force can pass downwards
It passs to make to compress between sample acquisition tank and lower sealing plate and forms excellent sealing；The effect of holddown spring can make in whole device
Leakproofness is reinforced, and device can be made to become an entirety, keeps sample acquisition tank more firm, is not easy to loosen；Air circuit connection
Pipe is telescoping tube, and telescoping tube has the characteristic that can be stretched up and down, even if upper sealing panel lifting or pushing, gas circuit connecting pipe can also
To connect well with air inlet funnel and upper sealing panel, guarantee the sealing effect of entire admission gear.
Sample acquires the cover that tank includes tank body and is hinged on tank body；Pass through buckle fastening, card between cover and tank body
Button can will compress between cover and tank body guarantees sealing, is also possible to the switch of cover, opens cover to replace adsorption substrates,
Adsorption substrates used in the present invention are that conventional absorbtion substrate, such as foam used in air plankton are adsorbed in field, can be in city
It is bought on.
Ambient air sampling acquires the application method step of canned clamp mechanism are as follows:
A, connecting rod is lifted up, since the other end of handle arm is fixed in fixed link, surrounds handle arm
Fixed link moves in a circle；Simultaneously the arm guide groove on handle arm move upwards drive sliding guide column along housing guide groove to
Upper movement；Since sliding guide column and sliding inner sleeve are fixedly connected, move upwards sliding inner sleeve along sliding outer cover；During movement,
Sliding inner sleeve constantly compresses holddown spring upwards, the pressure that holddown spring applies sample acquisition tank is offset, to facilitate sample
Product acquisition tank takes out from clamping mechanism；
B, after sample acquisition tank takes out, lift folding handle and reappose the new sample acquisition tank of replacement in upper and lower close
Between sealing plate；
C, folding handle is decontroled, holddown spring is made while compressing upper sealing panel, lower sealing plate and sample acquisition tank；Due under
There is through-hole in the inside of sealing plate, therefore sample is acquired the air in tank using vacuum pump in the lower end of lower sealing plate and is extracted out；By
In being placed with adsorbent material in sample acquisition tank, the harmful substance in ambient atmosphere will be sucked by air inlet funnel and gas circuit connecting pipe
Tank is acquired to sample and is adsorbed, and the harmful substance being adsorbed in the surrounding air in substrate is used for the analysis of air harmful substance
Detection；
D, vacuum pump is closed, step a and step b taking-up adsorption substrates is repeated and the adsorption substrates more renewed carries out next time
Ambient air sampling acquisition.
The present invention has the advantage that compared with prior art are as follows:
A, sample acquisition tank realizes connection sealing by the sealing ring being arranged between upper sealing panel and lower sealing plate；It compresses
Spring provides reliable sealing pressing force；
B, with the help of opening and closing handle lever force, operator can easily lift acquisition tank upper sealing panel and will acquire
The acquisition tank of completion takes out or is put into sample collection tank to be collected, avoids the generation when tightening screw thread for operator
Inconvenience and fault, improve the q&r that sample collection tank connects in sampling instrument gas circuit, simplify operation, improve
Efficiency.
Above embodiment is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the scope of technical solution of the present invention, also belong to this hair
Bright protection scope.
Claims (5)
1. a kind of ambient air sampling acquires canned clamp mechanism, including sample acquisition tank (6), it is characterised in that: further include air inlet
Mechanism and clamping mechanism；Sample acquisition tank (6) is folded between upper sealing panel (5) and lower sealing plate (7)；The upper sealing
The inside of plate and lower sealing plate is provided with axial through-hole；In the internal cavities and upper and lower sealing plate of the sample acquisition tank
Through-hole be connected；The admission gear is set to the upper end of upper sealing panel (5)；Clamping is equipped on the outside of the admission gear
Mechanism；
The clamping mechanism includes sliding outer cover (10) and the sliding inner sleeve (4) inside sliding outer cover, and sliding inner sleeve is along sliding
Dynamic housing moves up and down；The sliding inner sleeve is placed on the upper end of upper sealing panel, and sliding inner sleeve is fixedly connected with upper sealing panel；
Lateral sliding guide column (13) are installed on the outside of the sliding inner sleeve；Vertical housing guiding is offered on the sliding outer cover
Slot (12)；The sliding guide column (13) is inserted in housing guide groove (12)；
Folding handle is provided on the outside of the sliding outer cover；The folding handle includes fixed link, handle arm (8) and connection
Bar (9)；The fixed link is fixedly mounted on the side of sliding outer cover, and the both ends of fixed link are hinged with handle arm (8)；Institute
Handle arm is stated to extend to the other side of sliding outer cover and the end of handle arm is provided with connecting rod (9)；The handle hand
Lateral arm guide groove (11) is offered on arm；It is plugged in the arm guide groove from the sliding that housing guide groove is pierced by and leads
Column；The end of the sliding guide column is provided with nut；
The admission gear includes air inlet funnel (1) and gas circuit connecting pipe (3)；The air inlet funnel (1) is fixedly installed in sliding
The upper end of housing, and the gas circuit connecting pipe (3) extended downwardly is provided in the middle part of air inlet funnel；The lower end of the gas circuit connecting pipe
It is fixedly connected with upper sealing panel；The inside of the gas circuit connecting pipe is equipped with bushing pipe, outside is equipped with holddown spring (2)；It is described
The upper end of holddown spring (2) is fixedly connected with sliding outer cover, lower end and sliding inner sleeve are fixedly connected；The gas circuit connecting pipe is to stretch
The draw.
2. ambient air sampling according to claim 1 acquires canned clamp mechanism, it is characterised in that: the sample acquires tank
Rubber seal is provided between upper sealing panel, lower sealing plate.
3. ambient air sampling according to claim 1 acquires canned clamp mechanism, it is characterised in that: the sliding guide column
It (13) is multiple, multiple sliding guide columns and multiple housing guide grooves one-to-one correspondence with housing guide groove (12).
4. ambient air sampling according to claim 1 or 2 acquires canned clamp mechanism, it is characterised in that: the sample is adopted
Collect the cover that tank includes tank body and is hinged on tank body；Pass through buckle fastening between the cover and tank body.
5. the application method that a kind of ambient air sampling as described in claim 1 acquires canned clamp mechanism, it is characterised in that: described
The step of method are as follows:
A, connecting rod is lifted up, since the other end of handle arm is fixed in fixed link, makes handle arm around fixation
Bar moves in a circle；The arm guide groove on handle arm, which moves upwards, simultaneously drives sliding guide column to transport upwards along housing guide groove
It is dynamic；Since sliding guide column and sliding inner sleeve are fixedly connected, move upwards sliding inner sleeve along sliding outer cover；During movement, sliding
Inner sleeve constantly compresses holddown spring upwards, offsets the pressure that holddown spring applies sample acquisition tank, adopts sample to facilitate
Collection tank takes out from clamping mechanism；
B, after sample acquisition tank takes out, lift folding handle and reappose the new sample acquisition tank of replacement in upper and lower sealing plate
Between；
C, folding handle is decontroled, holddown spring is made while compressing upper sealing panel, lower sealing plate and sample acquisition tank；Due to lower sealing
There is through-hole in the inside of plate, therefore will acquire air sample using vacuum pump in the lower end of lower sealing plate and acquire tank pumping by sample
Out；Harmful substance in acquisition air sample will be adsorbed in the adsorption substrates in sample acquisition tank；
D, vacuum pump is closed, the sample that step a and step b taking-up acquisition is completed is repeated and acquires tank, new sample is acquired into tank weight
New placement carries out ambient air sampling acquisition next time between upper-lower seal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910236082.2A CN109883774B (en) | 2019-03-27 | 2019-03-27 | Ambient air sample collection canning clamp mechanism and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910236082.2A CN109883774B (en) | 2019-03-27 | 2019-03-27 | Ambient air sample collection canning clamp mechanism and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109883774A true CN109883774A (en) | 2019-06-14 |
| CN109883774B CN109883774B (en) | 2023-11-10 |
Family
ID=66934636
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910236082.2A Active CN109883774B (en) | 2019-03-27 | 2019-03-27 | Ambient air sample collection canning clamp mechanism and use method |
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Cited By (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670169A (en) * | 2022-03-29 | 2022-06-28 | 中煤第三建设(集团)有限责任公司二十九工程处 | Full cross-section contour line marking device in tunnel |
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