CN219935763U - Sample quantitative structure of gas chromatograph - Google Patents
Sample quantitative structure of gas chromatograph Download PDFInfo
- Publication number
- CN219935763U CN219935763U CN202321152460.7U CN202321152460U CN219935763U CN 219935763 U CN219935763 U CN 219935763U CN 202321152460 U CN202321152460 U CN 202321152460U CN 219935763 U CN219935763 U CN 219935763U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- gas chromatograph
- belt
- mounting seat
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- -1 phthalate ester Chemical class 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of gas chromatographs, in particular to a sample quantifying structure of a gas chromatograph, aiming at the defect that in the prior art, only sampling needles with one diameter can be fixed and the limitation is larger, the scheme is provided that the gas chromatograph comprises a gas chromatograph body, a liquid injection port is arranged at the top of the gas chromatograph body, two fixing columns are fixedly connected to the top of the gas chromatograph body, a frame body is fixedly connected to the tops of the two fixing columns, a first fixing plate and a second fixing plate are fixedly connected to the frame body, a transmission mechanism is arranged on the first fixing plate and the second fixing plate, a clamping and fixing mechanism is fixedly connected to the transmission mechanism, a pushing mechanism is fixedly connected to the top of the frame body, the transmission mechanism comprises a motor fixedly connected to the first fixing plate, the clamping and fixing of sampling needles with different diameters are convenient, the stability is strong, and the adaptation range is wide.
Description
Technical Field
The utility model relates to the technical field of gas chromatographs, in particular to a sample quantitative structure of a gas chromatograph.
Background
The gas chromatograph is an instrument for qualitatively and quantitatively analyzing a multi-component complex mixture by utilizing a chromatographic separation technology and a detection technology, can be generally used for analyzing organic matters with heat stability in soil and a boiling point not exceeding 500 ℃, such as volatile organic matters, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbon, phthalate ester and the like, and has been developed to a great extent along with the development of technology, and the development of the gas chromatograph for environment detection brings great convenience to people in environment detection.
The patent reference with the bulletin number of CN216013252U discloses a gas chromatograph for environment detection, which comprises a gas chromatograph, wherein a buffer spring is arranged on the outer side of the gas chromatograph, a protection plate is arranged at one end of the buffer spring, an injection opening is arranged on the upper part of the gas chromatograph, a fixed plate is arranged on the upper part of the gas chromatograph close to the injection opening, a mounting groove is arranged in the middle of the fixed plate, a through hole is arranged in the middle of the mounting groove, a connecting column is arranged at the lower end of the fixed plate, and a vacuum chuck is arranged at the lower end of the connecting column; the utility model relates to a gas chromatograph for environment detection, which is convenient for fixing a sample, and can fix a sampling needle through a fixing tube, so that the needle head is not easy to break, the sampling needle is not needed to be held, the needle head of the sampling needle directly slides down the inner wall of a conical tube and is directly inserted into an injection port, manual alignment is not needed, the influence of impact generated by external impact on the gas chromatograph is effectively reduced, the gas chromatograph is not damaged, and the service life of the gas chromatograph is ensured.
However, the above-mentioned gas chromatograph for environment detection, which is convenient for fixing samples, can only fix a sampling needle with a diameter, and has a large limitation, so we propose a sample quantitative structure of the gas chromatograph to solve the above problems.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, only a sampling needle with a diameter is fixed and the limitation is large, and provides a sample quantitative structure of a gas chromatograph.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a sample ration structure of gas chromatograph, includes the gas chromatograph body, the top of gas chromatograph body is equipped with annotates the liquid mouth, and the top fixedly connected with of gas chromatograph body two fixed columns, two the top fixedly connected with support body of fixed column, and fixedly connected with first fixed plate and second fixed plate on the support body, be equipped with drive mechanism on first fixed plate and the second fixed plate, and fixedly connected with clamp fixing mechanism on the drive mechanism, the top fixedly connected with pushing mechanism of support body.
Preferably, the transmission mechanism comprises a motor fixedly connected to the first fixing plate, and a rotating shaft is fixedly connected to an output shaft of the motor.
Preferably, the rotating shaft is fixedly provided with a first belt wheel, the first belt wheel is connected with a belt in a transmission manner, and the first belt wheel is connected with a second belt wheel through belt transmission.
Preferably, the second belt pulley is fixedly connected with a rotating shaft, and the rotating shaft is rotatably arranged on the second fixing plate.
Preferably, the first sliding column is connected in the frame body, and a first mounting seat is slidably mounted on the first sliding column, and the first mounting seat is fixedly connected to the belt.
Preferably, the second sliding column is connected in the frame body, a second installation seat is slidably installed on the second sliding column, the second installation seat is fixedly connected onto the belt, clamping blocks are fixedly connected onto the first installation seat and the second installation seat, and sampling needles are matched between the two clamping blocks.
Preferably, the pushing mechanism comprises a supporting frame fixedly connected to the top of the frame body, the top of the supporting frame is fixedly connected with an air cylinder, and a push rod is arranged on the air cylinder.
In the utility model, the sample quantitative structure of the gas chromatograph has the beneficial effects that;
due to the fact that the transmission mechanism and the clamping mechanism are arranged, sampling needles with different diameters are convenient to clamp and fix, stability is high, and the adaptation range is wide.
Due to the fact that the pushing mechanism is arranged, the sampling needle can be automatically extruded, and detection liquid in the sampling needle is injected into the gas chromatograph body through the liquid injection port to be detected.
The utility model is convenient for clamping and fixing sampling needles with different diameters, and has strong stability and wide adaptation range.
Drawings
FIG. 1 is a schematic diagram of a sample quantifying structure of a gas chromatograph according to the present utility model;
FIG. 2 is a schematic diagram of a transmission mechanism and a clamping mechanism of a sample quantifying structure of a gas chromatograph according to the present utility model;
fig. 3 is a schematic top view of a transmission mechanism and a clamping mechanism of a sample quantifying structure of a gas chromatograph according to the present utility model.
In the figure: 1. a gas chromatograph body; 2. a liquid injection port; 3. fixing the column; 4. a frame body; 5. a first fixing plate; 6. a second fixing plate; 7. a motor; 8. a rotation shaft; 9. a first pulley; 10. a belt; 11. a second pulley; 12. a rotating shaft; 13. a first sliding column; 14. a first mount; 15. a second sliding column; 16. a second mounting base; 17. a fixing plate; 18. a sampling needle; 19. a support frame; 20. a cylinder; 21. a push rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1-3, a sample quantifying structure of a gas chromatograph includes a gas chromatograph body 1, a liquid injection port 2 is arranged at the top of the gas chromatograph body 1, two fixing columns 3 are fixedly connected to the top of the gas chromatograph body 1, a frame 4 is fixedly connected to the top of the two fixing columns 3, a first fixing plate 5 and a second fixing plate 6 are fixedly connected to the frame 4, a transmission mechanism is arranged on the first fixing plate 5 and the second fixing plate 6, a clamping fixing mechanism is fixedly connected to the transmission mechanism, and a pushing mechanism is fixedly connected to the top of the frame 4.
In the utility model, the transmission mechanism comprises a motor 7 fixedly connected to the first fixed plate 5, and a rotating shaft 8 is fixedly connected to an output shaft of the motor 7.
In the utility model, a first belt pulley 9 is fixedly arranged on a rotating shaft 8, a belt 10 is connected to the first belt pulley 9 in a transmission manner, and a second belt pulley 11 is connected to the first belt pulley 9 in a transmission manner through the belt 10.
In the utility model, a rotating shaft 12 is fixedly connected to the second belt pulley 11, and the rotating shaft 12 is rotatably mounted on the second fixing plate 6.
In the utility model, a first sliding column 13 is connected in a frame body 4, a first mounting seat 14 is slidably mounted on the first sliding column 13, and the first mounting seat 14 is fixedly connected to a belt 10.
In the utility model, a second sliding column 15 is connected in a frame body 4, a second installation seat 16 is slidably installed on the second sliding column 15, the second installation seat 16 is fixedly connected to a belt 10, clamping blocks 17 are fixedly connected to the first installation seat 14 and the second installation seat 16, and sampling needles 18 are matched between the two clamping blocks 17.
In the utility model, the pushing mechanism comprises a supporting frame 19 fixedly connected to the top of the frame body 4, the top of the supporting frame 19 is fixedly connected with an air cylinder 20, and a push rod 21 is arranged on the air cylinder 20.
In the utility model, the working principle is that; when the gas chromatograph is used, the sampling needle 18 is firstly placed between the two clamping blocks 17, then the motor 7 is started, the output shaft of the motor 7 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the first belt pulley 9 to rotate, the first belt pulley 9 drives the second belt pulley 11 to rotate through the belt 10, so that the belt 10 drives the first mounting seat 14 and the second mounting seat 16 to move in opposite directions, the two clamping blocks 17 are driven to move towards the center respectively, the sampling needle 18 is clamped and fixed, meanwhile, the sampling needle 18 with different diameters is clamped and fixed conveniently, the stability is strong, the adaptation range is wide, then the cylinder 20 is started, the cylinder 20 drives the push rod 21 to move, the push rod 21 extrudes the sampling needle 18, and detection liquid in the sampling needle 18 is injected into the gas chromatograph body 1 through the liquid injection port 2 to be detected.
Example two
The difference between this embodiment and the first embodiment is that: the worm gear reducer is fixedly connected to the output shaft of the motor 7, and the controller is arranged on the worm gear reducer, when the load of the motor 7 is too high, the controller controls the worm gear reducer to reduce the speed of the output shaft of the motor 7, so that damage to the motor 7 under the condition of long-time load is effectively prevented.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a sample ration structure of gas chromatograph, includes gas chromatograph body (1), its characterized in that, the top of gas chromatograph body (1) is equipped with annotates liquid mouth (2), and the top fixedly connected with of gas chromatograph body (1) two fixed columns (3), two the top fixedly connected with support body (4) of fixed column (3), and fixedly connected with first fixed plate (5) and second fixed plate (6) on support body (4), be equipped with drive mechanism on first fixed plate (5) and second fixed plate (6), and fixedly connected with clamp fixing mechanism on the drive mechanism, the top fixedly connected with pushing mechanism of support body (4).
2. The sample quantifying structure of a gas chromatograph according to claim 1, characterized in that the transmission mechanism comprises a motor (7) fixedly connected to the first fixing plate (5), and a rotation shaft (8) is fixedly connected to an output shaft of the motor (7).
3. The sample quantifying structure of a gas chromatograph according to claim 2, characterized in that a first belt wheel (9) is fixedly installed on the rotating shaft (8), a belt (10) is connected to the first belt wheel (9) in a transmission manner, and a second belt wheel (11) is connected to the first belt wheel (9) in a transmission manner through the belt (10).
4. A sample quantifying structure for a gas chromatograph according to claim 3, wherein the second pulley (11) is fixedly connected with a rotation shaft (12), and the rotation shaft (12) is rotatably mounted on the second fixing plate (6).
5. The sample quantifying structure of a gas chromatograph according to claim 1, wherein the frame body (4) is connected with a first sliding column (13), and a first mounting seat (14) is slidably mounted on the first sliding column (13), and the first mounting seat (14) is fixedly connected to the belt (10).
6. The sample quantifying structure of a gas chromatograph according to claim 5, wherein the frame body (4) is internally connected with a second sliding column (15), a second mounting seat (16) is slidably mounted on the second sliding column (15), the second mounting seat (16) is fixedly connected onto the belt (10), clamping blocks (17) are fixedly connected onto the first mounting seat (14) and the second mounting seat (16), and a sampling needle (18) is matched between the two clamping blocks (17).
7. The sample quantifying structure of a gas chromatograph according to claim 1, wherein the pushing mechanism comprises a supporting frame (19) fixedly connected to the top of the frame body (4), and the top of the supporting frame (19) is fixedly connected with a cylinder (20), and a push rod (21) is arranged on the cylinder (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321152460.7U CN219935763U (en) | 2023-05-15 | 2023-05-15 | Sample quantitative structure of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321152460.7U CN219935763U (en) | 2023-05-15 | 2023-05-15 | Sample quantitative structure of gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219935763U true CN219935763U (en) | 2023-10-31 |
Family
ID=88500902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321152460.7U Active CN219935763U (en) | 2023-05-15 | 2023-05-15 | Sample quantitative structure of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219935763U (en) |
-
2023
- 2023-05-15 CN CN202321152460.7U patent/CN219935763U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102520076A (en) | Automatic sample injector | |
| CN103675167B (en) | Rotating disc type automatic headspace sampler | |
| CN219935763U (en) | Sample quantitative structure of gas chromatograph | |
| CN220304875U (en) | Soil detection sampling device | |
| CN211784112U (en) | Retractable LDAR leakage detection device | |
| CN219891234U (en) | Water quality monitoring data acquisition device | |
| CN116698529B (en) | Carbon emission detects gaseous sampling device | |
| CN219038470U (en) | Sewage sampling device for environmental monitoring | |
| CN219589916U (en) | Automobile shock absorber examines utensil | |
| CN219626590U (en) | Mass spectrometer sampling device | |
| CN216411167U (en) | Novel thermal analyzer of adjustable | |
| CN209790943U (en) | Solid phase micro-extraction device | |
| CN219799196U (en) | Spectrum analyzer positioning adjustment device | |
| CN220990878U (en) | TVOC air test sealed container | |
| CN219391661U (en) | Concrete bending test machine convenient to fix | |
| CN219284807U (en) | Spectral analysis oil sample diluting device | |
| CN220357003U (en) | Sampling device for gas chromatograph | |
| CN214225040U (en) | Sample introduction device for gas chromatograph | |
| CN220817264U (en) | Hardness measuring device convenient to use | |
| CN203772813U (en) | Rotating disc type automatic head-space sampler | |
| CN220019017U (en) | Material detector analysis sampling device | |
| CN216717944U (en) | Air bag sampler of pollution source vacuum box | |
| CN213956774U (en) | Detection device for vehicle clutch | |
| CN217332388U (en) | Pipeline nondestructive testing device | |
| CN212568649U (en) | Full-automatic thermal desorption instrument convenient for sample detection and butt joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |