CN220760397U - Gas chromatograph advances kind needle self-cleaning ware - Google Patents
Gas chromatograph advances kind needle self-cleaning ware Download PDFInfo
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- CN220760397U CN220760397U CN202322450833.5U CN202322450833U CN220760397U CN 220760397 U CN220760397 U CN 220760397U CN 202322450833 U CN202322450833 U CN 202322450833U CN 220760397 U CN220760397 U CN 220760397U
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- needle
- fixedly connected
- main body
- bottom end
- feeding device
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- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000003814 drug Substances 0.000 abstract description 24
- 238000005070 sampling Methods 0.000 abstract description 21
- 238000000605 extraction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an automatic cleaner for a gas chromatograph sample injection needle, which comprises a needle injection equipment main body, wherein a fixed disc and a fixed seat are arranged in the needle injection equipment main body, a plurality of connecting rods are fixedly connected between the fixed disc and the fixed seat, an electric telescopic rod is fixedly connected to the middle position of the inner top end of the needle injection equipment main body, the extending end of the electric telescopic rod is fixedly connected with the fixed disc, a rotating disc is rotatably connected to the middle position of the inner part of the fixed seat, and sample injection needles are movably connected to two sides of the bottom end of the rotating disc; the needle feeding device is characterized in that a sliding rail is fixedly connected to one side of the bottom end of the needle feeding device main body, and a needle feeding moving block is arranged above the sliding rail. According to the utility model, the electric telescopic rod is extended, the fixed disc, the fixed seat and the sampling needle are all lowered, the sampling needle on one side is inserted into the medicine bottle after being lowered to extract liquid medicine, and the sampling needle on the other side is inserted into the cleaning liquid cylinder to realize automatic cleaning operation.
Description
Technical Field
The utility model relates to the technical field of automatic cleaning of sampling needles, in particular to an automatic cleaning device for a gas chromatograph sampling needle.
Background
The gas chromatograph is an instrument for carrying out qualitative and quantitative analysis on a multi-component complex mixture by utilizing a chromatographic separation technology and a detection technology, and samples are usually collected by using samples in the gas chromatograph, so that the samples are conveniently analyzed, the inner wall of a needle cylinder is required to be cleaned in order to avoid the influence of the previous collection on the subsequent collection, and the error of experimental analysis caused by residual samples on the inner wall of the needle cylinder is avoided.
In the prior art, the inner wall of the needle cylinder is cleaned manually, the manual cleaning speed is low, the experimental process is easy to delay, the automatic liquid extraction operation in the medicine bottle is realized in the aspects of rapid sampling and cleaning, and the efficient sampling needle sampling and cleaning can be realized only by automatic matching in the aspect of cleaning, so that the use efficiency is improved.
Disclosure of Invention
The utility model aims to provide an automatic cleaner for sampling needles of a gas chromatograph, which can change positions of sampling needles on one side and the other side by rotating a rotating disc of the automatic cleaner by 180 degrees through a driving motor, realizes the operations of re-extending and extracting liquid in a medicine bottle and cleaning, circulates in sequence, and has higher efficiency.
In order to achieve the above object, there is provided an automatic cleaner for a gas chromatograph sample injection needle, comprising: the needle feeding device comprises a needle feeding device main body, wherein a fixed disc and a fixed seat are arranged in the needle feeding device main body, a plurality of connecting rods are fixedly connected between the fixed disc and the fixed seat, an electric telescopic rod is fixedly connected to the middle position of the inner top end of the needle feeding device main body, the extending end of the electric telescopic rod is fixedly connected with the fixed disc, a rotating disc is rotatably connected to the middle position of the inner part of the fixed seat, and sample injection needles are movably connected to two sides of the bottom end of the rotating disc;
the needle feeding device comprises a needle feeding device body, and is characterized in that a sliding rail is fixedly connected to one side of the bottom end of the needle feeding device body, a needle feeding moving block is arranged above the sliding rail, a sliding groove is formed in the bottom end of the needle feeding moving block, the sliding groove is in sliding fit with the sliding rail, and a cleaning fluid cylinder is arranged on one side of the bottom end of the needle feeding device body.
According to the automatic cleaner for the gas chromatograph sample injection needle, a sleeve seat is fixedly connected to one side of the bottom end of the needle injection device main body, and the upper part of the sleeve seat is in plug-in fit with the cleaning liquid cylinder.
According to the gas chromatograph sampling needle automatic cleaner, a driving motor is fixedly connected to the middle of the bottom end of the fixed disc, and the driving end of the driving motor is fixedly connected with the rotating disc.
According to the automatic cleaner for the gas chromatograph sample injection needle, a rack is fixedly connected to the bottom end of one side of the needle injection moving block, a fluted disc is meshed to one side of the rack, a servo motor is fixedly connected to one side of the bottom end of the needle injection device main body, and the driving end of the servo motor is fixedly connected with the fluted disc.
According to the automatic cleaner for the gas chromatograph sample injection needle, a perspective window is fixedly connected to one side of the needle inlet equipment main body, and a control panel is fixedly connected to the bottom end of one side of the needle inlet equipment main body.
According to the automatic cleaner for the gas chromatograph sample injection needle, one end of the needle insertion moving block is provided with a through hole.
According to the automatic cleaner for the gas chromatograph sample injection needle, the two ends of the fixed disc and the fixed seat are fixedly connected with the sliding blocks, and the sliding blocks are in sliding fit with the inner wall of the needle injection equipment main body.
The beneficial effects are that:
1. the utility model is provided with the electric telescopic rod, the fixed disc, the driving motor and the sampling needle, the electric telescopic rod realizes the extension, the fixed disc, the fixed seat and the sampling needle are all lowered, the sampling needle at one side is inserted into the medicine bottle after the lowering, the liquid medicine is extracted, the sampling needle at the other side is inserted into the cleaning liquid cylinder, the automatic cleaning operation is realized, the position of the sampling needle at one side and the sampling needle at the other side can be changed by rotating the rotating disc of the driving motor by 180 degrees, the liquid in the medicine bottle is extracted again, the cleaning operation is realized, the sequential circulation is realized, the sampling needle head can achieve the cleaning effect before each liquid medicine extraction is realized, the cleaning efficiency and the extraction efficiency are higher, and the speed is faster.
2. The automatic medicine bottle feeding device is provided with the fluted disc, the rack and the needle feeding moving block, the servo motor drives the fluted disc, the rack is meshed after the servo motor drives the fluted disc, the rack is moved, the needle feeding moving block is controlled to realize the position transverse movement operation, and the automatic medicine bottle moving and the taking out of the extending medicine bottle are realized.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a perspective view of an automatic cleaner for a sample injection needle of a gas chromatograph according to the present utility model;
FIG. 2 is a perspective view of a fixed seat and a fixed disk of the automatic cleaner for the sample injection needle of the gas chromatograph;
FIG. 3 is a schematic diagram showing the structure of a main body section of a needle insertion device of an automatic cleaner for a gas chromatograph sample injection needle;
fig. 4 is an enlarged structural view of the present utility model at a in fig. 3.
Legend description:
1. a needle insertion device body; 2. a perspective window; 3. a control panel; 4. a needle insertion moving block; 5. a through hole; 6. an electric telescopic rod; 7. a slide block; 8. a connecting rod; 9. a fixing seat; 10. a fixed disc; 11. a driving motor; 12. a rotating disc; 13. a sample injection needle; 14. a slide rail; 15. a cleaning liquid cylinder; 16. a sleeve seat; 17. a chute; 18. fluted disc; 19. a rack.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, an embodiment of the present utility model provides an automatic cleaner for a gas chromatograph sample injection needle, comprising: the needle feeding device body 1, the inside of the needle feeding device body 1 is provided with a fixed disc 10 and a fixed seat 9, a plurality of connecting rods 8 are fixedly connected between the fixed disc 10 and the fixed seat 9, an electric telescopic rod 6 is fixedly connected in the middle of the top end of the inside of the needle feeding device body 1, the electric telescopic rod 6 is extended, the fixed disc 10, the fixed seat 9 and a sample injection needle 13 are all descended, one side sample injection needle 13 is inserted into a medicine bottle after the descent to extract liquid medicine, the other side sample injection needle 13 is inserted into a cleaning liquid cylinder 15 to realize automatic cleaning operation, the extending end of the electric telescopic rod 6 is fixedly connected with the fixed disc 10, a rotating disc 12 is rotationally connected in the middle of the inside of the fixed seat 9, the two sides of the bottom end of the rotating disc 12 are both movably connected with sampling needles 13, the middle of the bottom end of the fixed disc 10 is fixedly connected with a driving motor 11, the rotating disc 12 of the fixed disc 10 is rotated by 180 degrees through the driving motor 11, the positions of the sampling needles 13 on one side and the other side can be changed, the operation of extracting liquid in a medicine bottle and cleaning are realized, the driving end of the driving motor 11 is fixedly connected with the rotating disc 12, one side of the needle feeding device main body 1 is fixedly connected with a perspective window 2, the internal working state is checked through the perspective window 2, the bottom end of one side of the needle feeding device main body 1 is fixedly connected with a control panel 3, both ends of the fixed disc 10 and a fixed seat 9 are fixedly connected with a sliding block 7, and the sliding block 7 is in sliding fit with the inner wall of the needle feeding device main body 1;
the needle feeding device comprises a needle feeding device body 1, a slide rail 14 is fixedly connected to one side of the inner bottom end of the needle feeding device body 1, a needle feeding moving block 4 is arranged above the slide rail 14, the needle feeding moving block 4 extends out of the needle feeding device body 1, a medicine bottle is placed in a through hole 5, a servo motor is driven reversely, the needle feeding moving block 4 is recovered to the inside of the needle feeding device body 1, sampling operation is achieved, the through hole 5 is formed in one end of the needle feeding moving block 4, a slide groove 17 is formed in the bottom end of the needle feeding moving block 4, the needle feeding moving block 4 is matched with the slide rail 14 and the slide groove 17 to slide, stable movement is kept, the slide groove 17 is matched with the slide rail 14 in a sliding mode, a cleaning liquid cylinder 15 is arranged on one side of the bottom end of the needle feeding device body 1, a sleeve seat 16 is fixedly connected to one side of the bottom end of the needle feeding device body 1, the upper side of the sleeve seat 16 is matched with the cleaning liquid cylinder 15 in a plugging mode, a toothed disc 19 is fixedly connected to one side of the needle feeding moving block 4, after the servo motor is driven by a toothed disc 18, the toothed disc 19 is meshed with the toothed disc 19, the position of the toothed disc 19 is controlled by the servo motor is meshed with the toothed disc 18, and the position of the toothed disc is fixedly connected to one side of the servo device body is meshed with one side of the needle feeding device body 18.
Working principle: when the automatic liquid medicine sucking device is used, firstly, the toothed disc 18 is driven by the servo motor, the toothed rack 19 is meshed after driving, the toothed rack 19 is moved in position, the needle feeding moving block 4 is controlled to realize the operation of transversely moving the position, meanwhile, the sliding rail 14 and the sliding groove 17 are matched to slide, the stable movement is kept, then the needle feeding moving block 4 extends out of the needle feeding device main body 1, a medicine bottle is placed in the through hole 5, the servo motor is driven reversely, the needle feeding moving block 4 is recovered into the needle feeding device main body 1, at the moment, the electric telescopic rod 6 is extended, the fixed disc 10, the fixed seat 9 and the sample feeding needle 13 are all lowered, the sample feeding needle 13 on one side after lowering is inserted into the medicine bottle, the sample feeding needle 13 on the other side is inserted into the cleaning liquid cylinder 15, the automatic cleaning operation is realized, the electric telescopic rod 6 is recovered after the cleaning and the liquid medicine is completely extracted, the liquid medicine in the medicine bottle is recovered again by rotating the rotary disc 12 by 180 degrees through the driving motor 11, the liquid and the cleaning operation in the medicine bottle is recovered, the liquid in the medicine bottle is sequentially recycled, and the liquid medicine can be extracted before the needle head of the sample feeding needle 13 can be cleaned each time.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. The utility model provides a gas chromatograph advances needle self-cleaning ware which characterized in that includes: the needle feeding device comprises a needle feeding device main body (1), wherein a fixed disc (10) and a fixed seat (9) are arranged in the needle feeding device main body (1), a plurality of connecting rods (8) are fixedly connected between the fixed disc (10) and the fixed seat (9), an electric telescopic rod (6) is fixedly connected to the middle position of the inner top end of the needle feeding device main body (1), the extending end of the electric telescopic rod (6) is fixedly connected with the fixed disc (10), a rotating disc (12) is rotatably connected to the middle position of the inner part of the fixed seat (9), and sample feeding needles (13) are movably connected to two sides of the bottom end of the rotating disc (12);
the needle feeding device comprises a needle feeding device body (1), wherein a sliding rail (14) is fixedly connected to one side of the bottom end of the needle feeding device body (1), a needle feeding moving block (4) is arranged above the sliding rail (14), a sliding groove (17) is formed in the bottom end of the needle feeding moving block (4), the sliding groove (17) is in sliding fit with the sliding rail (14), and a cleaning liquid cylinder (15) is arranged on one side of the bottom end of the needle feeding device body (1).
2. The automatic cleaner for the gas chromatograph sample injection needle according to claim 1, wherein a sleeve seat (16) is fixedly connected to one side of the bottom end of the needle injection device main body (1), and the upper part of the sleeve seat (16) is in plug-in fit with the cleaning liquid cylinder (15).
3. The automatic cleaner for the gas chromatograph sample injection needle according to claim 1, wherein a driving motor (11) is fixedly connected to the middle part of the bottom end of the fixed disc (10), and the driving end of the driving motor (11) is fixedly connected with a rotating disc (12).
4. The automatic cleaner for the gas chromatograph sample injection needle according to claim 1, wherein a rack (19) is fixedly connected to the bottom end of one side of the needle injection moving block (4), a fluted disc (18) is meshed to one side of the rack (19), a servo motor is fixedly connected to one side of the bottom end of the needle injection equipment main body (1), and the driving end of the servo motor is fixedly connected with the fluted disc (18).
5. The automatic cleaner for the gas chromatograph sample injection needle according to claim 1, wherein a perspective window (2) is fixedly connected to one side of the needle insertion equipment main body (1), and a control panel (3) is fixedly connected to the bottom end of one side of the needle insertion equipment main body (1).
6. The automatic cleaner for the gas chromatograph sample injection needle according to claim 1, wherein a through hole (5) is formed at one end of the needle insertion moving block (4).
7. The automatic cleaner for the gas chromatograph sample injection needle according to claim 1, wherein the two ends of the fixed disc (10) and the fixed seat (9) are fixedly connected with a sliding block (7), and the sliding block (7) is in sliding fit with the inner wall of the needle insertion equipment main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322450833.5U CN220760397U (en) | 2023-09-11 | 2023-09-11 | Gas chromatograph advances kind needle self-cleaning ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322450833.5U CN220760397U (en) | 2023-09-11 | 2023-09-11 | Gas chromatograph advances kind needle self-cleaning ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220760397U true CN220760397U (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322450833.5U Active CN220760397U (en) | 2023-09-11 | 2023-09-11 | Gas chromatograph advances kind needle self-cleaning ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220760397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150746A (en) * | 2024-05-08 | 2024-06-07 | 南昌市检验检测中心 | Gas chromatograph sample leading-in device |
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2023
- 2023-09-11 CN CN202322450833.5U patent/CN220760397U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150746A (en) * | 2024-05-08 | 2024-06-07 | 南昌市检验检测中心 | Gas chromatograph sample leading-in device |
| CN118150746B (en) * | 2024-05-08 | 2024-08-13 | 南昌市检验检测中心 | Gas chromatograph sample leading-in device |
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