CN218995265U - Sample loading mechanism suitable for Agilent6890 gas chromatograph - Google Patents
Sample loading mechanism suitable for Agilent6890 gas chromatograph Download PDFInfo
- Publication number
- CN218995265U CN218995265U CN202223235700.8U CN202223235700U CN218995265U CN 218995265 U CN218995265 U CN 218995265U CN 202223235700 U CN202223235700 U CN 202223235700U CN 218995265 U CN218995265 U CN 218995265U
- Authority
- CN
- China
- Prior art keywords
- sample
- injector
- disc
- sample loading
- control system
- 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
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the field of detection instruments, and relates to a sample loading mechanism suitable for an Agilent6890 gas chromatograph, which comprises a control system, a sample loading table, a sample loading disc and a sample injector, wherein a sample clamp is connected onto the sample injector in a sliding manner, an internal tooth wheel disc is rotationally connected onto the sample loading table, the sample loading disc is arranged on the internal tooth wheel disc, a driving gear is meshed with the internal tooth of the internal tooth wheel disc, the driving gear is connected with a motor, the motor is connected with the control system, a sample injector support penetrating through the internal tooth wheel disc and the driving gear is arranged in the middle of the sample loading table, a sample injection guide rail is fixedly connected onto the sample injector support, the sample injector is connected onto the sample injection guide rail in a sliding manner, and the sample injector and the sample clamp are connected with the control system. The rotation of the sample loading disc replaces rotation sampling of the sample injector, so that the rotation time of the sample injector is shortened, the sample is injected only by moving the sample loading disc forwards and backwards, the detection efficiency is improved, and meanwhile, the impact of clamping the sample by using brute force of a three-jaw spring type sample clamp is avoided.
Description
Technical Field
The utility model belongs to the field of detection instruments, and relates to a sample loading mechanism suitable for an Agilent6890 gas chromatograph.
Background
Gas chromatographs are instruments that utilize chromatographic separation techniques and detection techniques to perform qualitative and quantitative analysis of complex mixtures of multiple components. It is generally useful for analyzing organic substances, such as volatile organic compounds, organic chlorides, organic phosphates, polycyclic aromatic hydrocarbons, phthalate esters, etc., which are thermally stable in the soil and have a boiling point of not more than 500 ℃. The current sample loading mechanism of the Agilent6890 gas chromatograph adopts a sample injector to rotate and clamp samples on a sample loading disc to be placed in a detection mechanism, the sample clamps on the sample injector are three-jaw sample clamps which are sequentially arranged at intervals of 90 degrees, the sample clamps are clamped and reset through springs, the sample clamps are driven to move to one side of a sample to be detected through the rotation of the sample injector in the current working process, the sample clamps are lowered to one side of a sample bottle, the sample bottle is enabled to enter the sample bottle through the rotation of the sample injector, clamping and fixing are carried out on the sample clamps through springs, and after the sample bottle is moved to the detection mechanism, the sample bottle is placed in a detection groove and is placed through the rotation of the sample injector by compressing the springs by means of force.
The prior art has the following technical defects:
the sample bottle can all produce certain impact at the clamp sample bottle at every turn and put down the sample bottle, can all produce certain influence to sample bottle and detection mechanism, appear repeatedly many times and lead to detection mechanism to appear to the needle inaccurate, the phenomenon of skew leads to the damage of detection needle, when the sample bottle is more on the loading tray, the sampler need rotate to press from both sides and get, the inefficiency of sample and lofting.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects of the prior art and provides a sample loading mechanism suitable for an Agilent6890 gas chromatograph.
The utility model relates to a sample loading mechanism suitable for an Agilent6890 gas chromatograph, which comprises a control system, a sample loading table, a sample loading disc and a sample injector, wherein a sample clamp is connected to the sample injector in a sliding manner, an internal tooth wheel disc is rotationally connected to the sample loading table, the sample loading disc is arranged on the internal tooth wheel disc, a driving gear is meshed with the internal tooth of the internal tooth wheel disc, the driving gear is connected with a motor, the motor is connected with the control system, a sample injector support column penetrating through the internal tooth wheel disc and the driving gear is arranged in the middle of the sample loading table, a sample injection guide rail is fixedly connected to the sample injector support column, the sample injector is connected to the sample injection guide rail in a sliding manner, and the sample injector and the sample clamp are connected with the control system.
Working process or working principle:
when the sample feeding device works, the control system controls the motor to drive the driving gear to rotate, so that the inner gear plate rotates, the sample carrying disc arranged on the inner gear plate is driven to rotate, a row of samples to be tested and the moving path of the sample injector are in the same straight line, the control system controls the sample injector to move back and forth to drive the sample clamp to move to the position right above the sample bottle to be tested, then the sample clamp descends to clamp the sample bottle and then lifts up, the sample injector moves forward to drive the sample clamp clamping the sample bottle to reach the detection position, the sample clamp descends to loosen the sample bottle and then lifts up and resets, and the sample injector resets accordingly, so that sample feeding of the sample is completed.
The sample clamp comprises a push-pull electromagnet which is connected to one end of the sample injector in a sliding way, four clamping jaws are hinged to the bottom of the push-pull electromagnet, the push-pull electromagnet is connected with the control system, the sample carrying bottle slides into the clamping jaws through downward movement of the push-pull electromagnet, the purpose of fixing and clamping the sample carrying bottle is achieved through a reset spring in the push-pull electromagnet, and when the sample carrying bottle needs to be placed and downloaded by the clamping jaws, the clamping jaws are opened through electrifying the push-pull electromagnet by the control system, so that the sample carrying bottle is put down.
And the bottoms of the clamping jaws are provided with round corners, and when the push-pull electromagnet drives the clamping jaws to press downwards, the round corners of the bottoms of the clamping jaws facilitate sample carrying bottles to slide into the clamping jaws.
The sample loading tray is divided into four equal parts.
The clamping plates are arranged on the internal gear plate, and the clamping plates with different positions can play a role in positioning and fixing the positions of the sample loading plates, so that each sample loading plate is guaranteed to be at the original position.
Each sample loading disc is provided with a gripper, and workers can conveniently place or take down the sample loading discs through the grippers.
Compared with the prior art, the utility model has the beneficial effects that:
the rotation of the sample loading disc replaces rotation sampling of the sample injector, so that the rotation time of the sample injector is shortened, the sample is injected only by moving the sample loading disc forwards and backwards, the detection efficiency is improved, and meanwhile, the impact of clamping the sample by using brute force of a three-jaw spring type sample clamp is avoided.
Drawings
Figure 1 is a schematic diagram of an embodiment of the present utility model,
figure 2 is a front view of an embodiment of the present utility model,
figure 3 is a right side view of an embodiment of the present utility model,
fig. 4 is a top view of an embodiment of the present utility model.
In the figure: 1. a sample loading tray; 2. a sample injector; 3. push-pull electromagnet; 4. a clamping jaw; 5. a sample carrying table; 6. an internal gear disk; 7. a grip; 8. a clamping plate; 9. a sample injector support; 10. a drive gear; 11. and a sample introduction guide rail.
Detailed Description
Example 1
As shown in fig. 1 to 4, the sample loading mechanism suitable for the Agilent6890 gas chromatograph comprises a control system, a sample loading table 5, a sample loading disc 1 and a sample injector 2, wherein a sample clamp is connected to the sample injector 2 in a sliding manner, an internal tooth wheel disc 6 is connected to the sample loading table 5 in a rotating manner, the sample loading disc 1 is arranged on the internal tooth wheel disc 6, a driving gear 10 is meshed with the internal tooth of the internal tooth wheel disc 6, the driving gear 10 is connected with a motor, the motor is connected with the control system, a sample injector support 9 penetrating through the internal tooth wheel disc 6 and the driving gear 10 is arranged in the middle of the sample loading table 5, a sample injection guide rail 11 is fixedly connected to the sample injector support 9, the sample injector 2 is connected to the sample injection guide rail 11 in a sliding manner, and the sample injector 2 and the sample clamp are connected with the control system.
Working process or working principle:
when the sample feeding device works, the control system controls the motor to drive the driving gear 10 to rotate, so that the internal gear disk 6 rotates, and then drives the sample loading disk 1 arranged on the internal gear disk 6 to rotate, so that a row of samples to be tested and a moving path of the sample injector 2 are in the same straight line, the control system controls the sample injector 2 to move back and forth to drive the sample clamp to move to the position right above the sample bottle to be tested, then the sample clamp descends to clamp the sample bottle and then lifts up, the sample injector 2 moves forward to drive the sample clamp clamping the sample bottle to reach a detection position, the sample clamp descends to loosen the sample bottle and then lifts up for reset, and the sample injector 2 resets along with the sample injection to finish sample feeding.
The rotation of the sample loading disc 1 replaces the rotation sampling of the sample injector 2, the rotation time of the sample injector 2 is shortened, only the sample needs to be fed along the front and back movement, and the detection efficiency is improved.
Example 2
As shown in fig. 1 to 4, the sample loading mechanism suitable for the Agilent6890 gas chromatograph comprises a control system, a sample loading table 5, a sample loading disc 1 and a sample injector 2, wherein a sample clamp is connected to the sample injector 2 in a sliding manner, an internal tooth wheel disc 6 is connected to the sample loading table 5 in a rotating manner, the sample loading disc 1 is arranged on the internal tooth wheel disc 6, a driving gear 10 is meshed with the internal tooth of the internal tooth wheel disc 6, the driving gear 10 is connected with a motor, the motor is connected with the control system, a sample injector support 9 penetrating through the internal tooth wheel disc 6 and the driving gear 10 is arranged in the middle of the sample loading table 5, a sample injection guide rail 11 is fixedly connected to the sample injector support 9, the sample injector 2 is connected to the sample injection guide rail 11 in a sliding manner, and the sample injector 2 and the sample clamp are connected with the control system.
In this embodiment: the sample clamp comprises a push-pull electromagnet 3 which is connected to one end of a sample injector 2 in a sliding way, four clamping jaws 4 are hinged to the bottom of the push-pull electromagnet 3, the push-pull electromagnet 3 is connected with a control system, a sample carrying bottle slides into the clamping jaws 4 through downward movement of the push-pull electromagnet 3, the sample carrying bottle is fixedly clamped through a reset spring in the push-pull electromagnet 3, and when the clamping jaws 4 need to be placed for downloading the sample carrying bottle, the clamping jaws 4 are opened through electrifying the push-pull electromagnet 3 by the control system, so that the sample carrying bottle is put down; the bottoms of the clamping jaws 4 are provided with round corners, and when the push-pull electromagnet 3 drives the clamping jaws 4 to press downwards, the round corners at the bottoms of the clamping jaws 4 facilitate the sample loading bottle to slide into the clamping jaws 4; the sample loading disc 1 is divided into four equal parts; the clamping plates 8 are arranged on the internal gear disk 6, and the clamping plates with different positions can play a role in positioning and fixing the positions of the sample loading disks 1, so that each sample loading disk 1 is ensured to be at the original position; each sample loading disc 1 on all be equipped with tongs 7, can make things convenient for the staff to place or take off and download sample loading disc 1 through tongs 7.
Working process or working principle:
when the sample loading device works, the control system controls the motor to drive the driving gear 10 to rotate, so that the internal gear disk 6 rotates, the sample loading disk 1 arranged on the internal gear disk 6 is driven to rotate, a row of samples to be tested and a moving path of the sample injector 2 are in the same straight line, the control system controls the sample injector 2 to move back and forth to drive the sample clamp to move to the position right above the sample bottle to be tested, then the push-pull electromagnet 3 moves downwards to enable the sample bottle to slide into the clamping jaw 4, the purpose of fixing and clamping the sample bottle is achieved through the reset spring in the push-pull electromagnet 3, the sample injector 2 moves forwards to drive the sample clamp clamping the sample bottle to reach a detection position, the clamping jaw 4 is opened through the control system to electrify the push-pull electromagnet 3, the sample bottle is put down, the push-pull electromagnet 3 and the sample injector 2 are reset, and sample injection of the sample is completed.
The rotation of the sample loading disc 1 replaces the rotation sampling of the sample injector 2, so that the rotation time of the sample injector 2 is shortened, the sample is injected only by moving forward and backward, the detection efficiency is improved, and meanwhile, the impact generated by clamping samples by using brute force of a three-jaw spring type sample clamp is avoided.
The description of the directions and the relative positional relationships of the structures, such as the description of the front, back, left, right, up and down, in the present utility model does not limit the present utility model, but is merely for convenience of description.
Claims (6)
1. Sample loading mechanism suitable for Agilent6890 gas chromatograph, including control system, year appearance platform (5), year appearance dish (1) and injector (2), sliding connection has sample clamp, its characterized in that on injector (2): the sample carrying platform (5) is rotationally connected with an internal gear disc (6), the sample carrying disc (1) is installed on the internal gear disc (6), the internal gear of the internal gear disc (6) is meshed with a driving gear (10), the driving gear (10) is connected with a motor, the motor is connected with a control system, a sample injector support column (9) penetrating through the internal gear disc (6) and the driving gear (10) is arranged in the middle of the sample carrying platform (5), a sample injection guide rail (11) is fixedly connected onto the sample injector support column (9), the sample injector (2) is slidingly connected onto the sample injection guide rail (11), and the sample injector (2) and a sample clamp are connected with the control system.
2. Sample loading mechanism suitable for Agilent6890 gas chromatograph according to claim 1, characterized in that: the sample clamp comprises a push-pull electromagnet (3) which is connected with one end of the sample injector (2) in a sliding way, four clamping jaws (4) are hinged to the bottom of the push-pull electromagnet (3), and the push-pull electromagnet (3) is connected with a control system.
3. Sample loading mechanism suitable for Agilent6890 gas chromatograph according to claim 2, characterized in that: the bottoms of the four clamping jaws (4) are provided with round corner designs.
4. A sample loading mechanism for an Agilent6890 gas chromatograph according to any of claims 1-3, wherein: the sample loading disc (1) is divided into four equal parts.
5. The sample loading mechanism for an Agilent6890 gas chromatograph of claim 4, wherein: and the inner gear plate (6) is provided with a clamping plate (8).
6. The sample loading mechanism for an Agilent6890 gas chromatograph of claim 5, wherein: the sample loading disc (1) is provided with grippers (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223235700.8U CN218995265U (en) | 2022-11-30 | 2022-11-30 | Sample loading mechanism suitable for Agilent6890 gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223235700.8U CN218995265U (en) | 2022-11-30 | 2022-11-30 | Sample loading mechanism suitable for Agilent6890 gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218995265U true CN218995265U (en) | 2023-05-09 |
Family
ID=86215344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223235700.8U Active CN218995265U (en) | 2022-11-30 | 2022-11-30 | Sample loading mechanism suitable for Agilent6890 gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218995265U (en) |
-
2022
- 2022-11-30 CN CN202223235700.8U patent/CN218995265U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7377189B2 (en) | Sampling device and method for an automatic analyser | |
| JPH08248036A (en) | Device for agitating and taking out sample of blood product from test tube in group assembled in rack | |
| CN213364645U (en) | Automatic detection system | |
| CN209069876U (en) | A kind of automatic sampling mechanism of gas chromatograph | |
| CN111089981A (en) | Automatic sample loading device of carousel | |
| CN218995265U (en) | Sample loading mechanism suitable for Agilent6890 gas chromatograph | |
| CN107884591A (en) | Automatic cleaning separator | |
| CN109856296B (en) | Gas chromatograph capable of automatically selecting detection sample | |
| CN211825881U (en) | Self-headspace gas chromatography sample injector | |
| US8262993B2 (en) | Slidable autosampler tray | |
| CN111044650A (en) | Self-headspace gas chromatography sample injector | |
| CN109470547B (en) | Gradient thermal analysis sample injector | |
| EP3593126B1 (en) | Sampler device for gas chromatography | |
| CN204462165U (en) | Full-automatic colloid gold reagent detector | |
| CN209069828U (en) | A kind of autosampler | |
| CN114505253B (en) | Automatic sorting equipment for sample tubes | |
| CN201926649U (en) | Simple propulsion device for injector in gas chromatography | |
| CN205246614U (en) | Full autoinjection robotic arm | |
| CN211856623U (en) | Automatic sample loading device of carousel | |
| CN214668829U (en) | Automatic headspace sampling device | |
| CN204789602U (en) | Automatic sampler tool hand | |
| CN109828042B (en) | Gas chromatograph suitable for short-term test sample | |
| CN211603221U (en) | Reaction cup loading module | |
| CN211896905U (en) | Cell scratch manipulator for bone cell experiments | |
| CN216525619U (en) | Qualitative and quantitative gas chromatography rapid determination device for deltamethrin in serum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |