CN201138307Y - Simple evacuating device and vacuum sample bulb - Google Patents
Simple evacuating device and vacuum sample bulb Download PDFInfo
- Publication number
- CN201138307Y CN201138307Y CNU2008200688632U CN200820068863U CN201138307Y CN 201138307 Y CN201138307 Y CN 201138307Y CN U2008200688632 U CNU2008200688632 U CN U2008200688632U CN 200820068863 U CN200820068863 U CN 200820068863U CN 201138307 Y CN201138307 Y CN 201138307Y
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- vacuum
- cover
- connecting rod
- gland bonnet
- easy
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Abstract
The utility model discloses a vacuumizing device and a vacuum sampling bottle. The device comprises an evacuating mechanism, a vacuum vessel and a seal cover which is matched with the vacuum vessel closely. A gland bush plate which is arranged in the vacuum vessel can move up and down and is connected with a positioning flexing mechanism arranged outside the seal cover by a connecting rod. The seal cover and the connecting rod are sealed by an elastic seal pipe, the lower end of which is fixed at the connecting rod, and the upper end of the elastic seal pipe is fixed at the seal cover. The vacuum sampling bottle which is used as a supporting part comprises a bottle body, an inner cover and an outer cover. The lower part of the inner cover is provided with at least one venting groove or hole with certain distance away from a cover cap. When in vacuumizing, the inner cover of the sampling bottle put into the device does not cover completely, when required vacuum degree is achieved, the gland bush plate is controlled to move down, the inner cover covers closely, and the vacuum sampling bottle is sealed and taken out to be covered by the outer cover. The vacuumizing device solves the problem of sampling gas and water in vacuum, the device has simple structure and design, easy manufacture and low manufacturing cost and is simple and convenient for operating and using and easy for maintaining.
Description
Technical field
The utility model relates to a kind of simple and easy, practical vacuum extractor and vacuum sampling jar.
Background technology
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.Directly gather gas or liquid with the Dewar bottle that vacuum suction device is taken out in advance, quick and precisely, reliably.
That the vacuum extractor of being used always at present mainly contains is mechanical, DYN dynamic, chemical formula etc., in these vacuum extractors, the complicated in mechanical structure that has, the manufacturing cost height is as the disclosed a kind of vacuum extractor of CN 1659383A; The vacuum tightness 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 extractor 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.
The content of utility model
The technical problems to be solved in the utility model provides a kind of vacuum extractor simple to operate, easy to use and vacuum sampling jar, and its manufacturing, use cost are cheap.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of simple and easy vacuum extractor, comprise extraction sector, vacuum tank and the gland bonnet that is sealed and matched with it, extraction sector is connected on the bleeding point of vacuum tank, it is characterized in that, be provided with cover clamp moving up and down in vacuum tank, described cover clamp is connected in the location telescoping mechanism of gland bonnet outside by connecting rod, between gland bonnet and the connecting rod with the resilient seal 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 telescoping mechanism comprises spiral knob, spacing swivel nut and is fixed on cover for seat on the gland bonnet, 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 gland bonnet, 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 resilient seal pipe is a corrugated tube, is made by Ductile Metals or elastic caoutchouc.
Described extraction sector is a vacuum pump.
The gland bonnet of described vacuum tank is provided with the rain glass that is communicated with vacuum tank.
Described gland bonnet is provided with handle, is provided with O-ring seal between gland bonnet and the vacuum tank.
The matching used vacuum sampling jar of a kind of and above-mentioned vacuum extractor, comprise bottle and the bottle cap that is complementary with bottleneck, 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.
The use step of said apparatus and sampling jar is as follows:
(1) gets clean vacuum sampling jar, 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 jar is put into the vacuum tank bottom of vacuum extractor, covered gland bonnet, reconcile the position of cover clamp in vacuum tank, be located at vacuum sampling jar inner cap top with the location telescoping mechanism;
(3) airtight vacuum container is opened the gas in the extraction sector extracting vacuum container;
(4) when reaching certain vacuum in the vacuum tank and spend, close extraction sector, be displaced downwardly to lowest positions, cover clamp gland vacuum sampling jar inner cap, sealed vacuum sampling jar with location telescoping mechanism control cover clamp;
(5) open vacuum tank, take out the vacuum sampling jar, cover tight enclosing cover.
The utlity model 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 extractor;
Fig. 2 is the schematic perspective view of gland bonnet and cover clamp among Fig. 1;
Fig. 3 is a kind of side view of vacuum sampling jar;
Fig. 4 is a kind of diagrammatic cross-section of vacuum sampling jar.
Embodiment
Below in conjunction with embodiment the utility model is further described, but is not limited to the following example.
Embodiment 1 is referring to Fig. 1, Fig. 2, a kind of simple and easy vacuum extractor, comprise vacuum pump (not drawing among the figure), vacuum tank 8 and gland bonnet 12, on gland bonnet 12, be provided with the tensimeter 13 that is communicated with vacuum tank 8, gland bonnet 12 corresponding both sides are provided with handle 15, be provided with O-ring seal 7 between vacuum tank 8 and the gland bonnet 12, and by the bolt screwing hermetic, vacuum pump is connected on the bleeding point 11 of vacuum tank, in vacuum tank 8, be provided with cover clamp 9 moving up and down, this cover clamp 9 is connected in the location telescoping mechanism of gland bonnet 12 outsides by connecting rod 4, this location telescoping mechanism comprises spiral knob 14, a spacing swivel nut 6 and a cover for seat 5, prop up cover for seat 5 by being bolted on the gland bonnet 12, spiral knob 14 is socketed on the connecting rod 4, spacing swivel nut 6 is positioned at a cover for seat 5, the one end is fixed on the gland bonnet 12, other end screw-casing is connected to outside the spiral knob 14, be spiral slide movingly between spiral knob 14 and the connecting rod 4 and between spacing swivel nut 6 and the spiral knob 14, seal with metallic elastic corrugated tube 3 between gland bonnet 12 and the connecting rod 4, this corrugated tube 3 is enclosed within outside the connecting rod 4, its lower end is fixed on the connecting rod 4, the upper end is connected on the sealing socket 1, on gland bonnet 12, sealing socket 1 is provided with O-ring seal 2 with gland bonnet 12 to sealing socket 1 by bolted.
With the matching used vacuum sampling jar of above-mentioned vacuum extractor, 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 jar is as follows:
(1) get clean vacuum sampling jar 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 jar 10 is put into vacuum tank 8 bottoms of vacuum extractor, covered gland bonnet 12, reconcile the positions of cover clamp 9 in vacuum tank 8, be located at vacuum sampling jar 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 seal place, strengthen sealing effectiveness) is opened the gas in the vacuum pump extracting vacuum container 8;
(4) when reaching certain vacuum in the vacuum tank and spend (can by rain glass 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 jar inner caps, make the inner cap bottleneck that closes fully, ventilative groove is sealed, and promptly reaches the purpose of sealed vacuum sampling jar;
(5) open the gland bonnet 12 of vacuum tank 8, take out vacuum sampling jar 10, cover tight enclosing cover 18.
During sampling, the vacuum sampling jar 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.
Embodiment 2 is referring to Fig. 1, Fig. 2, a kind of simple and easy vacuum extractor, and substantially the same manner as Example 1, difference exists, and used corrugated tube 3 is made by elastic caoutchouc.
With the matching used vacuum sampling jar of above-mentioned vacuum extractor, 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 jar is identical with embodiment 1.
Claims (8)
1. simple and easy vacuum extractor, comprise extraction sector, vacuum tank and the gland bonnet that is sealed and matched with it, extraction sector is connected on the bleeding point of vacuum tank, it is characterized in that, be provided with cover clamp moving up and down in vacuum tank, described cover clamp is connected in the location telescoping mechanism of gland bonnet outside by connecting rod, between gland bonnet and the connecting rod with the resilient seal 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 extractor according to claim 1, it is characterized in that, described location telescoping mechanism comprises spiral knob, spacing swivel nut and is fixed on cover for seat on the gland bonnet, 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 gland bonnet, and 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 extractor according to claim 2 is characterized in that, described resilient seal pipe is a corrugated tube, is made by Ductile Metals or elastic caoutchouc.
4. simple and easy vacuum extractor according to claim 3 is characterized in that, described extraction sector is a vacuum pump.
5. simple and easy vacuum extractor according to claim 4 is characterized in that, the gland bonnet of described vacuum tank is provided with the rain glass that is communicated with vacuum tank.
6. simple and easy vacuum extractor according to claim 5 is characterized in that described gland bonnet is provided with handle, is provided with O-ring seal between gland bonnet and the vacuum tank.
One kind with the matching used vacuum sampling jar of the described simple and easy vacuum extractor 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 jar according to claim 7 is characterized in that described inner cap is made by elastic caoutchouc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200688632U CN201138307Y (en) | 2008-01-10 | 2008-01-10 | Simple evacuating device and vacuum sample bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200688632U CN201138307Y (en) | 2008-01-10 | 2008-01-10 | Simple evacuating device and vacuum sample bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138307Y true CN201138307Y (en) | 2008-10-22 |
Family
ID=40038991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200688632U Expired - Lifetime CN201138307Y (en) | 2008-01-10 | 2008-01-10 | Simple evacuating device and vacuum sample bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138307Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2008
- 2008-01-10 CN CNU2008200688632U patent/CN201138307Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080110 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |