CN214895078U - Gas chromatograph sample gas circulation device - Google Patents
Gas chromatograph sample gas circulation device Download PDFInfo
- Publication number
- CN214895078U CN214895078U CN202121032598.4U CN202121032598U CN214895078U CN 214895078 U CN214895078 U CN 214895078U CN 202121032598 U CN202121032598 U CN 202121032598U CN 214895078 U CN214895078 U CN 214895078U
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- China
- Prior art keywords
- gas chromatograph
- plate
- screw rod
- splint
- sample bottle
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- Expired - Fee Related
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- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 46
- 238000005457 optimization Methods 0.000 description 9
- 230000003028 elevating effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a gas chromatograph sample gas circulation device, including the gas chromatograph main part, be provided with the sample bottle that can reciprocate in the gas chromatograph main part, through intercommunication unit connection between gas chromatograph main part and the sample bottle, the sample bottle reciprocates by the lifting unit drive. The utility model discloses simple structure, convenient to use has solved current gas circulation equipment structure too complicated, uses very inconvenient problem.
Description
Technical Field
The utility model relates to a gas circulation equipment, concretely relates to gas chromatograph sample gas circulation device belongs to gas circulation equipment technical field.
Background
The gas chromatograph is a commonly used gas detection device, can be used for quality detection of the environment, and needs to introduce gas to be detected into the gas chromatograph when gas detection is carried out.
However, the existing gas circulation equipment has a complicated structure, and is inconvenient to use, so that a gas chromatograph sample gas circulation device is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the above-mentioned not enough of prior art, provide a gas chromatograph sample gas circulation device.
In order to solve the above problem, the utility model adopts the following technical scheme: the utility model provides a gas chromatograph sample gas circulation device, including the gas chromatograph main part, be provided with the sample bottle that can reciprocate in the gas chromatograph main part, through the intercommunication union coupling between gas chromatograph main part and the sample bottle, the sample bottle reciprocates by the lift unit drive, the intercommunication unit includes the air duct that sets up in gas chromatograph main part one side, the air duct is L shape structure, and link to each other with gas chromatograph main part is inside, be close to the position of lower extreme on the outer circumference of air duct and install annular pressure disk, annular rubber circle is installed with the position of sample bottle upper end contact to the lower terminal surface of pressure disk, the upper end body coupling of sample bottle has the blast pipe, be provided with the valve on the blast pipe.
The following is the utility model discloses to the further optimization of above-mentioned scheme: the lifting unit comprises a manual sucker adsorbed on one side of the gas chromatograph main body, a bottom plate is installed on the manual sucker, and the bottom of the bottom plate is connected with the position, close to the middle part, of the manual sucker through an inclined plate.
Further optimization: and a supporting plate capable of moving up and down is arranged above the bottom plate.
Further optimization: two screw rod sleeves are arranged between the supporting plate and the bottom plate, screw rods penetrate through the two screw rod sleeves, and two sections of external threads with opposite rotating directions at two ends are arranged on the screw rods.
Further optimization: the upper side and the lower side of each screw rod sleeve are respectively provided with a connecting plate which is obliquely arranged, one end of each connecting plate is hinged with the screw rod sleeve, and the other end of each connecting plate is hinged with the supporting plate or the bottom plate.
Further optimization: the axis direction of lead screw is perpendicular with the moving direction of sample bottle, and the one end fixed mounting of lead screw has the montant.
Further optimization: the up end of backup pad is provided with first splint and second splint, and first splint and second splint symmetry set up, and the cross section of first splint and second splint is the arc.
Further optimization: the first clamping plate is arranged on one side, close to the gas chromatograph main body, of the upper end face of the supporting plate.
Further optimization: the baffle is installed to one side that first splint were kept away from to the up end of backup pad, through the spring coupling of two symmetry settings between this baffle and the second splint.
Further optimization: the baffle is provided with a screw rod in a penetrating manner, and one end of the screw rod is tightly propped against one side of the second clamping plate.
During the use, place the sample bottle in the backup pad, and rotate the screw rod and drive the second splint and remove and fix the sample bottle with the cooperation of first splint, then it is close to each other to rotate the lead screw and drive two lead screw covers, and it is tight until blast pipe and rubber circle top to drive the sample bottle through the backup pad, if be connected with the vacuum pump on the air duct, so should open other gases in the vacuum pump exhaust pipe this moment, after vacuum pump work is accomplished, close, open the valve this moment, gas in the sample bottle gets into in the gas chromatograph main part, begin to detect.
The utility model discloses a set up pressure disk, rubber circle and discharge valve, realized the sealing connection of sample bottle and air duct, through setting up the valve, controlled opening of sample bottle, constitute the elevating unit through setting up backup pad, lead screw cover, bottom plate, realized reciprocating to the sample bottle, through setting up manual sucking disc, realized the elevating unit and be connected with the gas chromatograph main part, through setting up splint and screw rod and the baffle that two cooperations were used, realized fixing to the sample bottle, the utility model discloses simple structure, convenient to use has solved current gas circulation equipment structure and has too complicated, uses very inconvenient problem.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1.
In the figure: 1-gas chromatograph main body; 2-a gas-guide tube; 3-pressing a plate; 4-rubber ring; 5-an exhaust pipe; 6-a valve; 7-sample bottle; 8-a first splint; 9-a second splint; 10-a screw; 11-a spring; 12-a support plate; 13-a connecting plate; 14-a screw rod sleeve; 15-a screw rod; 16-a vertical rod; 17-a base plate; 18-a sloping plate; 19-manual suction cup; 20-baffle plate.
Detailed Description
Embodiment, as shown in fig. 1 and 2, a gas chromatograph sample gas circulation device comprises a gas chromatograph main body 1, wherein a sample bottle 7 capable of moving up and down is arranged on the gas chromatograph main body 1, the gas chromatograph main body 1 and the sample bottle 7 are connected through a communication unit, and the sample bottle 7 is driven by a lifting unit to move up and down.
The intercommunication unit includes the air duct 2 that sets up in gas chromatograph main part 1 one side, and air duct 2 is L shape structure to link to each other with gas chromatograph main part 1 is inside, so that the gaseous entering of awaiting measuring.
An annular pressure plate 3 is fixedly arranged on the outer circumference of the air guide tube 2 and close to the lower end, and an annular rubber ring 4 is fixedly arranged on the lower end face of the pressure plate 3 and the upper end of the sample bottle 7 in contact with each other so as to seal the sample bottle 7 and the air guide tube 2.
The upper end of the sample bottle 7 is integrally connected with an exhaust pipe 5, a valve 6 is arranged on the exhaust pipe 5, and whether the sample bottle 7 is communicated with the air guide pipe 2 or not is controlled by controlling the opening and closing of the valve 6.
The lifting unit comprises a manual sucking disc 19 adsorbed on one side of the gas chromatograph main body 1, a bottom plate 17 is fixedly installed on the manual sucking disc 19 close to the position of the sample bottle 7, and the bottom of the bottom plate 17 is connected with the position of the manual sucking disc 19 close to the middle part through an inclined plate 18 so as to further improve the supporting force of the bottom plate 17.
And a supporting plate 12 capable of moving up and down is arranged above the bottom plate 17, and the supporting plate 12 moves up and down to drive the sample bottle 7 to move up and down.
Two screw rod sleeves 14 are arranged between the supporting plate 12 and the bottom plate 17, a screw rod 15 penetrates through the two screw rod sleeves 14, two sections of external threads with opposite screwing directions at two ends are arranged on the screw rod 15, and the screw rod 15 rotates to drive the two screw rod sleeves 14 to be close to or far away from each other.
The upper side and the lower side of each screw rod sleeve 14 are respectively provided with a connecting plate 13 which is obliquely arranged, one end of each connecting plate 13 is hinged with the screw rod sleeve 14, and the other end of each connecting plate 13 is hinged with the supporting plate 12 or the bottom plate 17, so that the distance between the supporting plate 12 and the bottom plate 17 is controlled by adjusting the inclination angle of the connecting plate 13, and the sample bottle 7 is driven to move up and down.
The axis direction of the screw rod 15 is perpendicular to the moving direction of the sample bottle 7, and a vertical rod 16 is fixedly mounted at one end of the screw rod 15, so that the screw rod 15 is driven to rotate through the vertical rod 16.
The up end of backup pad 12 is provided with first splint 8 and second splint 9, and first splint 8 and the symmetry of second splint 9 set up, and the cross section of first splint 8 and second splint 9 is the arc to in coordination with the surface of sample bottle 7.
The first clamp 8 is fixedly mounted on the upper end surface of the support plate 12 on the side close to the gas chromatograph main body 1, and the second clamp 9 is movable on the support plate 12.
One side that the up end of backup pad 12 kept away from first splint 8 is fixed mounting has baffle 20, is connected through two symmetrical spring 11 that set up between this baffle 20 and the second splint 9 to the removal of second splint 12 is convenient for.
The baffle 20 is provided with a screw rod 10 in a penetrating manner, the baffle 20 is provided with an internal thread matched with the screw rod 10 for use, and one end of the screw rod 10 is tightly propped against one side of the second clamping plate 9 so as to drive the second clamping plate 9 to move and further fix the sample bottle 7.
The air duct 2 can be connected with a vacuum pump as required so as to conveniently pump out the gas in the connecting pipeline and reduce the influence on the test.
During the use, place sample bottle 7 in backup pad 12, and rotate screw rod 10 and drive second splint 9 and remove and fix sample bottle 7 with the cooperation of first splint 8, then rotate lead screw 15 and drive two lead screw covers 14 and be close to each other, and it is tight to drive sample bottle 7 through backup pad 12 and rise until blast pipe 5 and rubber circle 4 tops, if be connected with the vacuum pump on the air duct 2, so should open other gases in the vacuum pump exhaust pipe this moment, the vacuum pump work is accomplished the back, close, open valve 6 this moment, gas in the sample bottle 7 gets into in the gas chromatograph main part 1, begin to detect.
The utility model discloses a set up pressure disk, rubber circle and discharge valve, realized the sealing connection of sample bottle and air duct, through setting up the valve, controlled opening of sample bottle, constitute the elevating unit through setting up backup pad, lead screw cover, bottom plate, realized reciprocating to the sample bottle, through setting up manual sucking disc, realized the elevating unit and be connected with the gas chromatograph main part, through setting up splint and screw rod and the baffle that two cooperations were used, realized fixing to the sample bottle, the utility model discloses simple structure, convenient to use has solved current gas circulation equipment structure and has too complicated, uses very inconvenient problem.
Claims (10)
1. A gas chromatograph sample gas circulation device is characterized in that: including gas chromatograph main part (1), be provided with sample bottle (7) that can reciprocate on gas chromatograph main part (1), through the intercommunication union coupling between gas chromatograph main part (1) and sample bottle (7), sample bottle (7) reciprocate by the lift unit drive, the intercommunication unit includes air duct (2) that set up in gas chromatograph main part (1) one side, air duct (2) are L shape structure, and link to each other with gas chromatograph main part (1) is inside, be close to annular pressure disk (3) on the outer circumference of air duct (2) and install annular pressure disk (3) near the position of lower extreme, annular rubber circle (4) are installed with the position of sample bottle (7) upper end contact to the lower terminal surface of pressure disk (3), the upper end body coupling of sample bottle (7) has blast pipe (5), be provided with valve (6) on blast pipe (5).
2. A gas chromatograph sample gas flow-through device according to claim 1, characterized in that: the lifting unit comprises a manual sucker (19) adsorbed on one side of the gas chromatograph main body (1), a bottom plate (17) is installed on the manual sucker (19), and the bottom of the bottom plate (17) is connected with the position, close to the middle part, of the manual sucker (19) through an inclined plate (18).
3. A gas chromatograph sample gas flow-through device according to claim 2, characterized in that: a support plate (12) capable of moving up and down is arranged above the bottom plate (17).
4. A gas chromatograph sample gas flow-through device according to claim 3, characterized in that: two screw rod sleeves (14) are arranged between the supporting plate (12) and the bottom plate (17), a screw rod (15) penetrates through the two screw rod sleeves (14), and two sections of external threads with opposite screwing directions at two ends are arranged on the screw rod (15).
5. A gas chromatograph sample gas flow-through device according to claim 4, wherein: the upper side and the lower side of each screw rod sleeve (14) are respectively provided with a connecting plate (13) which is obliquely arranged, one end of each connecting plate (13) is hinged with the screw rod sleeve (14), and the other end of each connecting plate is hinged with the supporting plate (12) or the bottom plate (17).
6. A gas chromatograph sample gas flow-through device according to claim 5, wherein: the axis direction of the screw rod (15) is vertical to the moving direction of the sample bottle (7), and one end of the screw rod (15) is fixedly provided with a vertical rod (16).
7. A gas chromatograph sample gas flow-through device according to claim 6, characterized in that: the up end of backup pad (12) is provided with first splint (8) and second splint (9), and first splint (8) and second splint (9) symmetry set up, and the cross section of first splint (8) and second splint (9) is the arc.
8. A gas chromatograph sample gas flow-through device according to claim 7, wherein: the first clamping plate (8) is arranged on one side, close to the gas chromatograph main body (1), of the upper end face of the supporting plate (12).
9. A gas chromatograph sample gas flow-through device according to claim 8, wherein: the side of the upper end face of the supporting plate (12) far away from the first clamping plate (8) is provided with a baffle plate (20), and the baffle plate (20) is connected with the second clamping plate (9) through two symmetrically arranged springs (11).
10. A gas chromatograph sample gas flow-through device according to claim 9, wherein: the baffle (20) is provided with a screw (10) in a penetrating way, and one end of the screw (10) is tightly propped against one side of the second clamping plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032598.4U CN214895078U (en) | 2021-05-14 | 2021-05-14 | Gas chromatograph sample gas circulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032598.4U CN214895078U (en) | 2021-05-14 | 2021-05-14 | Gas chromatograph sample gas circulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214895078U true CN214895078U (en) | 2021-11-26 |
Family
ID=78945152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121032598.4U Expired - Fee Related CN214895078U (en) | 2021-05-14 | 2021-05-14 | Gas chromatograph sample gas circulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214895078U (en) |
-
2021
- 2021-05-14 CN CN202121032598.4U patent/CN214895078U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |