CN101216025A - Simple vacuum pumping device, vacuum sampling bottle and vacuum pumping method - Google Patents
Simple vacuum pumping device, vacuum sampling bottle and vacuum pumping method Download PDFInfo
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- CN101216025A CN101216025A CNA2008100490397A CN200810049039A CN101216025A CN 101216025 A CN101216025 A CN 101216025A CN A2008100490397 A CNA2008100490397 A CN A2008100490397A CN 200810049039 A CN200810049039 A CN 200810049039A CN 101216025 A CN101216025 A CN 101216025A
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Abstract
The invention discloses a vacuum extractor, a vacuum sample bottle and a vacuumizing method thereof. The vacuum extractor comprises an air extracting mechanism, a vacuum vessel and a sealing cover fit to the vacuum vessel in a sealed way. A gland board which can move up and down is arranged in the vacuum vessel. The gland board is connected with a positioning telescopic mechanism outside the sealing cover through a connecting rod. A telescopic sealing tube is arranged between the sealing cover and the connecting rod to seal the joint between. The lower end of the sealing tube is fixed on the connecting rod, and the upper end of the sealing tube is fixed on the sealing cover. The vacuum sample bottle to be used with the vacuum extractor comprises a bottle body, an internal cover and an external cover. The lower part of the internal cover is provided with at least an air slot or hole. When the bottle is vacuumized, the bottle is not covered tightly with the internal cover arranged inside the sample bottle. After the required vacuum is reached, the gland board is controlled to move downwards, and the internal cover covers the bottle tightly and the vacuum bottle is sealed before the sample is taken and the external cover covers the bottle. The invention solves the difficulty of taking gas and water sample in vacuum; the device has the advantages of simple structure, easy manufacturing, low manufacturing cost, convenient operation and usage and easy maintenance.
Description
Technical field
The present invention relates to a kind of simple and easy, practical vacuum pumping device, vacuum sampling bottle and the method that vacuumizes thereof.
Background technique
In recent years, along with rapid economy development, people are after living standard obtains steadily improving, to also more paying close attention to of the environmental quality of self life.Related scientific research worker then needs the variation of frequent monitoring of environmental situation especially, as to carry out accurate sample analysis be exactly one of work of often doing to being discharged into waste gas, waste water in the environment.And accurately sampling is the prerequisite that obtains accurate testing result, and is then all the more so for trace analysis.Take a sample to place to be measured with syringe or airbag and traditional mensuration gas concentration is many, operating wastes time and energy, and is not suitable for the collection of batch samples, and cannot see and can not touch, and is difficult to accomplish accurate sampling.Direct gas collecting of vacuum flask or the liquid taken out in advance with vacuum suction device, quick and precisely, reliably.
That the vacuum pumping device of being used always at present mainly contains is mechanical, DYN dynamic, chemical formula etc., in these vacuum pumping devices, the complicated in mechanical structure that has, the manufacturing cost height is as the disclosed a kind of vacuum pumping device of CN 1659383A; The degree of vacuum that is obtained that has can not be satisfied the demand, as CN2734632Y; Manipulating of having is loaded down with trivial details, safeguards inconvenience; What have can not repeated multiple times use, and operating cost is high.And existing vacuum pumping device and method be mainly used in and smelt and the processing and packing industry, and be applicable to that the device and method that vacuum is taken a sample does not appear in the newspapers as yet.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of vacuum pumping device simple to operate, easy to use and vacuum sampling bottle, and its manufacturing, user cost are cheap, have provided the vacuum pumping method that is complementary with this device simultaneously.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of simple and easy vacuum pumping device, comprise extraction sector, vacuum vessel and the sealing cover that is sealed and matched with it, extraction sector is connected on the bleeding point of vacuum vessel, it is characterized in that, be provided with cover clamp moving up and down in vacuum vessel, described cover clamp is connected in the location extending means of sealing cover outside by connecting rod, between sealing cover and the connecting rod with the elastic packing seal of tube, the sealing pipe box is outside connecting rod, and its lower end is fixed on the connecting rod, and the upper end fixing seal covers.
Described location extending means comprises spiral knob, spacing swivel nut and is fixed on cover for seat on the sealing cover, described spiral knob is socketed on the connecting rod, spacing swivel nut is positioned at a cover for seat, the one end is fixed on the sealing cover, the other end screw-casing is connected to outside the spiral knob, is spiral slide movingly between spiral knob and the connecting rod and between spacing swivel nut and the spiral knob.
Described elastic packing pipe is a bellows, is made by Ductile Metals or elastic caoutchouc.
Described extraction sector is a vacuum pump.
The sealing cover of described vacuum vessel is provided with the barometer that is communicated with vacuum vessel.
Described sealing cover is provided with handle, is provided with seal ring between sealing cover and the vacuum vessel.
A kind of vacuum sampling bottle comprises bottle and the bottle cap that is complementary with bottleneck, and described bottle cap comprises inner cap and enclosing cover, has a ventilative groove or hole at least in described inner cap bottom, and this ventilative groove or pitch-row block have certain distance.
Described inner cap is made by elastic caoutchouc.
A kind of method that vacuumizes, it may further comprise the steps:
(1) gets clean vacuum sampling bottle, the bottleneck certain distance is filled in the inner cap bottom, simultaneously by inside and outside ventilative groove or the hole air expansion bottle;
(2) the vacuum sampling bottle is put into the vacuum vessel bottom of vacuum pumping device, covered sealing cover, reconcile the position of cover clamp in vacuum vessel, be located at vacuum sampling bottle inner cap top with the location extending means;
(3) airtight vacuum container is opened the gas in the extraction sector extracting vacuum container;
(4) when reaching certain vacuum in the vacuum vessel and spend, close extraction sector, be displaced downwardly to lowest positions, cover clamp gland vacuum sampling bottle inner cap, sealed vacuum sampling bottle with location extending means control cover clamp;
(5) open vacuum vessel, take out the vacuum sampling bottle, cover tight enclosing cover.
The present invention has actively useful effect:
1. solved the technical barrier that utilizes vacuum to obtain gas and water sample, help vacuum sampling quick popularization, popularize;
2. structural design is simple, be easy to make, and cheap for manufacturing cost;
3. operation, easy to use, but repeated multiple times use are easy to safeguard.
Description of drawings
Fig. 1 is a kind of cross-sectional view of vacuum pumping device;
Fig. 2 is the schematic perspective view of sealing cover and cover clamp among Fig. 1;
Fig. 3 is a kind of side view of vacuum sampling bottle;
Fig. 4 is a kind of generalized section of vacuum sampling bottle.
Embodiment
Below in conjunction with embodiment the present invention is further described, but is not limited to the following example.
With the matching used vacuum sampling bottle of above-mentioned vacuum pumping device, comprise organic vial body 16 and the rubber inner cap 17 and the enclosing cover 18 that are complementary with bottleneck referring to Fig. 3, Fig. 4, have ventilative groove 19 in inner cap 17 bottoms, this ventilative groove has certain distance apart from block.
The method that vacuumizes with said apparatus, sampling bottle is as follows:
(1) get clean vacuum sampling bottle 10, the bottleneck certain distance is filled in rubber inner cap 17 bottoms, promptly lid is not tight fully, inside and outside ventilative groove 19 air expansion bottles;
(2) vacuum sampling bottle 10 is put into vacuum vessel 8 bottoms of vacuum pumping device, covered sealing cover 12, reconcile the positions of cover clamp 9 in vacuum vessel 8, be located at vacuum sampling bottle 10 inner caps top by spiral knob 14;
(3) screwing hermetic covers the bolt on edge, 12 surrounding, and airtight vacuum container 8 (also can smear vaseline at the sealed mouth place, strengthen sealing effect) is opened the gas in the vacuum pump extracting vacuum container 8;
(4) when reaching certain vacuum in the vacuum vessel and spend (can by barometer 13 indications), close vacuum pump, rotating screw knob 14, make cover clamp 9 be displaced downwardly to lowest positions, cover clamp 9 gland vacuum sampling bottle inner caps, make the inner cap bottleneck that closes fully, ventilative groove is sealed, and promptly reaches the purpose of sealed vacuum sampling bottle;
(5) open the sealing cover 12 of vacuum vessel 8, take out vacuum sampling bottle 10, cover tight enclosing cover 18.
During sampling, the vacuum sampling bottle of sealing is placed in the middle of the gas or water body environment that will take a sample, turns on enclosing cover, with syringe needle penetrate inner cap to bottle in promptly finish sampling, whole sampling process is quick, easy to be accurate again.
With the matching used vacuum sampling bottle of above-mentioned vacuum pumping device, comprise glass bottle 16 and the rubber inner cap 17 and the plastic outer cover 18 that are complementary with bottleneck referring to Fig. 3, Fig. 4, have a pair of ventilative groove 19 symmetrically in inner cap 17 bottoms, this ventilative groove has certain distance apart from block.
The method that vacuumizes with said apparatus, sampling bottle is identical with embodiment 1.
Claims (9)
1. simple and easy vacuum pumping device, comprise extraction sector, vacuum vessel and the sealing cover that is sealed and matched with it, extraction sector is connected on the bleeding point of vacuum vessel, it is characterized in that, be provided with cover clamp moving up and down in vacuum vessel, described cover clamp is connected in the location extending means of sealing cover outside by connecting rod, between sealing cover and the connecting rod with the elastic packing seal of tube, the sealing pipe box is outside connecting rod, and its lower end is fixed on the connecting rod, and the upper end fixing seal covers.
2. simple and easy vacuum pumping device according to claim 1, it is characterized in that, described location extending means comprises spiral knob, spacing swivel nut and is fixed on cover for seat on the sealing cover, described spiral knob is socketed on the connecting rod, spacing swivel nut is positioned at a cover for seat, the one end is fixed on the sealing cover, and the other end screw-casing is connected to outside the spiral knob, is spiral slide movingly between spiral knob and the connecting rod and between spacing swivel nut and the spiral knob.
3. simple and easy vacuum pumping device according to claim 2 is characterized in that, described elastic packing pipe is a bellows, is made by Ductile Metals or elastic caoutchouc.
4. simple and easy vacuum pumping device according to claim 3 is characterized in that, described extraction sector is a vacuum pump.
5. simple and easy vacuum pumping device according to claim 4 is characterized in that, the sealing cover of described vacuum vessel is provided with the barometer that is communicated with vacuum vessel.
6. simple and easy vacuum pumping device according to claim 5 is characterized in that described sealing cover is provided with handle, is provided with seal ring between sealing cover and the vacuum vessel.
One kind with the matching used vacuum sampling bottle of the described vacuum pumping device of claim 1, comprise bottle and the bottle cap that is complementary with bottleneck, it is characterized in that, described bottle cap comprises inner cap and enclosing cover, at least have a ventilative groove or hole in described inner cap bottom, this ventilative groove or pitch-row block have certain distance.
8. vacuum sampling bottle according to claim 7 is characterized in that described inner cap is made by elastic caoutchouc.
9. method that vacuumizes is characterized in that it may further comprise the steps:
(1) gets clean vacuum sampling bottle, the bottleneck certain distance is filled in the inner cap bottom, simultaneously by inside and outside ventilative groove or the hole air expansion bottle;
(2) the vacuum sampling bottle is put into the vacuum vessel bottom of vacuum pumping device, covered sealing cover, reconcile the position of cover clamp in vacuum vessel, be located at vacuum sampling bottle inner cap top with the location extending means;
(3) airtight vacuum container is opened the gas in the extraction sector extracting vacuum container;
(4) when reaching certain vacuum in the vacuum vessel and spend, close extraction sector, be displaced downwardly to lowest positions, cover clamp gland vacuum sampling bottle inner cap, sealed vacuum sampling bottle with location extending means control cover clamp;
(5) open vacuum vessel, take out the vacuum sampling bottle, cover tight enclosing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100490397A CN100543300C (en) | 2008-01-10 | 2008-01-10 | A kind of vacuum pumping device, vacuum sampling bottle and vacuum pumping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100490397A CN100543300C (en) | 2008-01-10 | 2008-01-10 | A kind of vacuum pumping device, vacuum sampling bottle and vacuum pumping method |
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| Publication Number | Publication Date |
|---|---|
| CN101216025A true CN101216025A (en) | 2008-07-09 |
| CN100543300C CN100543300C (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2008100490397A Expired - Fee Related CN100543300C (en) | 2008-01-10 | 2008-01-10 | A kind of vacuum pumping device, vacuum sampling bottle and vacuum pumping method |
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| CN (1) | CN100543300C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477521A (en) * | 2014-12-09 | 2015-04-01 | 吉首大学 | Ball valve self-closed vacuum sample bottle |
| CN105136528A (en) * | 2015-09-11 | 2015-12-09 | 中国地质科学院岩溶地质研究所 | Gas bottle vacuumizing device used for collecting soil greenhouse gas |
| CN105799962A (en) * | 2016-03-11 | 2016-07-27 | 东莞中子科学中心 | Packaging device for gas or vacuum packaging of sample containing test tubes |
| CN107814495A (en) * | 2017-12-06 | 2018-03-20 | 国家海洋技术中心 | Deep-sea is pressure-resistant glass ball float vacuum package device |
| CN108126947A (en) * | 2017-12-30 | 2018-06-08 | 肇庆市智高电机有限公司 | A kind of automatic hold-down devices in historical relic dipping tank |
| CN110594126A (en) * | 2019-09-17 | 2019-12-20 | 上海市农业科学院 | Plant non-isolated state vacuumizing device and using method thereof |
| CN113670673A (en) * | 2021-09-04 | 2021-11-19 | 北京天衡智联科技有限公司 | Open-air portable sample bottle evacuating device |
| CN115096659A (en) * | 2022-07-06 | 2022-09-23 | 中国地质科学院岩溶地质研究所 | Vacuum type water sample or water soluble greenhouse gas collecting method and equipment |
| CN115384869A (en) * | 2022-08-10 | 2022-11-25 | 深圳力生物流仓储科技有限公司 | Product sorting and stacking equipment |
-
2008
- 2008-01-10 CN CNB2008100490397A patent/CN100543300C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477521A (en) * | 2014-12-09 | 2015-04-01 | 吉首大学 | Ball valve self-closed vacuum sample bottle |
| CN105136528A (en) * | 2015-09-11 | 2015-12-09 | 中国地质科学院岩溶地质研究所 | Gas bottle vacuumizing device used for collecting soil greenhouse gas |
| CN105799962A (en) * | 2016-03-11 | 2016-07-27 | 东莞中子科学中心 | Packaging device for gas or vacuum packaging of sample containing test tubes |
| CN105799962B (en) * | 2016-03-11 | 2018-02-23 | 东莞中子科学中心 | For filling the sealed in unit of sample test tube gas or Vacuum Package |
| CN107814495A (en) * | 2017-12-06 | 2018-03-20 | 国家海洋技术中心 | Deep-sea is pressure-resistant glass ball float vacuum package device |
| CN107814495B (en) * | 2017-12-06 | 2024-03-22 | 国家海洋技术中心 | Deep sea pressure-resistant glass float vacuum packaging device |
| CN108126947A (en) * | 2017-12-30 | 2018-06-08 | 肇庆市智高电机有限公司 | A kind of automatic hold-down devices in historical relic dipping tank |
| CN110594126A (en) * | 2019-09-17 | 2019-12-20 | 上海市农业科学院 | Plant non-isolated state vacuumizing device and using method thereof |
| CN113670673A (en) * | 2021-09-04 | 2021-11-19 | 北京天衡智联科技有限公司 | Open-air portable sample bottle evacuating device |
| CN115096659A (en) * | 2022-07-06 | 2022-09-23 | 中国地质科学院岩溶地质研究所 | Vacuum type water sample or water soluble greenhouse gas collecting method and equipment |
| CN115384869A (en) * | 2022-08-10 | 2022-11-25 | 深圳力生物流仓储科技有限公司 | Product sorting and stacking equipment |
| CN115384869B (en) * | 2022-08-10 | 2024-02-23 | 深圳力生物流仓储科技有限公司 | Product sorting and stacking equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100543300C (en) | 2009-09-23 |
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