CN214374542U - Full-automatic solid phase micro-extraction and liquid chromatography combined device - Google Patents
Full-automatic solid phase micro-extraction and liquid chromatography combined device Download PDFInfo
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- CN214374542U CN214374542U CN202120511908.4U CN202120511908U CN214374542U CN 214374542 U CN214374542 U CN 214374542U CN 202120511908 U CN202120511908 U CN 202120511908U CN 214374542 U CN214374542 U CN 214374542U
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- solid phase
- phase micro
- extraction
- cylinder
- push
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- 238000002470 solid-phase micro-extraction Methods 0.000 title claims abstract description 19
- 238000004811 liquid chromatography Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 2
- 238000004853 microextraction Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002414 normal-phase solid-phase extraction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a full-automatic solid phase micro-extraction and liquid chromatogram combined device, which belongs to the technical field of solid phase micro-extraction and comprises a needle cylinder, wherein the lower end of the needle cylinder is provided with a sample inlet, the inside of the needle cylinder is provided with a piston, the upper end of the piston is provided with a push-pull piece, the upper sides of the two ends of the needle cylinder are provided with fixed plates, the upper sides of the two ends of the push-pull piece are provided with connecting plates, one side of the connecting plates and the fixed plates are provided with lead screws, the lower end of the lead screws is provided with a turntable, the lead screws are driven to rotate by rotating the turntable, the lead screws drive the push-pull piece to extend and retract by the connecting plates, simultaneously, a slide bar slides in the fixed plates, the depth of the push-pull piece in the needle cylinder can be known by observing the scale on the surface of the slide bar, the push-pull of the push-pull piece is convenient by arranging the lead screws and the slide bar, the depth of the push-pull piece in the needle cylinder is convenient for working personnel to know, the working quality of the device is improved.
Description
Technical Field
The utility model belongs to the technical field of solid phase micro-extraction, concretely relates to full-automatic solid phase micro-extraction and liquid chromatogram allies oneself with device.
Background
The solid phase microextraction technology (a novel sample pretreatment and enrichment technology which is started in the 90 th century in 20 th century, is firstly developed and researched by a research group of professor Pawliszyn of Waterloo university in 1989, belongs to a non-solvent type selective extraction method, SPME is a microextraction separation technology developed on the solid phase extraction technology, and is a novel solvent-free sample microextraction technology integrating sampling, extraction, concentration and sample introduction.
Chinese patent application No. CN208459118U discloses a solid phase micro-extraction device, the device is inconvenient and inaccurate to the push-and-pull of push-and-pull piece, the sampling work of the inconvenient device has reduced the operating mass of the device simultaneously, and the cylinder of the original device has sampled the taking out of the inconvenient detector after the detector, has reduced the device practicality.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that proposes among the above-mentioned background art, the utility model provides a full-automatic solid phase micro-extraction and liquid chromatogram allies oneself with uses device has the convenient removal of push-and-pull piece and accurate, characteristics that operating mass is high.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a full-automatic solid phase micro-extraction and liquid chromatogram ally oneself with and use device, includes the cylinder, the lower extreme of cylinder is provided with the introduction port, the inside of cylinder is provided with the piston, the upper end of piston is provided with pushes away and draws the piece, the both ends upside of cylinder is provided with the fixed plate, the both ends upside that pushes away and draws the piece is provided with the connecting plate, one side be provided with the lead screw between connecting plate and the fixed plate, the lower extreme of lead screw is provided with carousel, opposite side be provided with the slide bar between connecting plate and the fixed plate, the lower extreme of slide bar is provided with the limiting plate, the surface of slide bar is provided with the scale.
Preferably, the lower end of the interior of the needle cylinder is provided with a flow guide cover, and a through hole corresponding to the sample inlet is formed in the middle of the flow guide cover.
Preferably, the screw rod is connected with the fixing plate through threads, and the screw rod is rotatably connected with the connecting plate through a bearing.
Preferably, the sliding rod is connected with the fixed plate in a sliding manner.
Preferably, the scales are bonded with the sliding rod through glue.
Preferably, the air guide sleeve is fixedly connected with the needle cylinder through clamping.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up the lead screw, drive the lead screw through rotating the carousel and rotate, the lead screw drives through the connecting plate and pushes away and draws the piece to stretch out and draw back, and the slide bar slides in the fixed plate simultaneously, can know through the scale of observing the slide bar surface and push away the degree of depth of drawing the piece in the cylinder, through setting up the push-and-pull that lead screw and slide bar both conveniently pushed away and draw the piece, make things convenient for the staff to know the degree of depth of drawing the piece in the cylinder again, improve device operating mass with.
2. The utility model discloses a set up the kuppe, through set up the kuppe at the inside lower extreme of cylinder, wait to detect the thing and get into the back in the cylinder, because the kuppe is the inclined plane structure, wait to detect thing accessible kuppe, discharge again through the introduction port, can conveniently wait to detect taking out of thing through setting up the kuppe, improve the device practicality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;
fig. 3 is a top view of the air guide sleeve of the present invention;
in the figure: 1. a needle cylinder; 2. a turntable; 3. a screw rod; 4. a fixing plate; 5. a connecting plate; 6. a push-pull member; 7. a slide bar; 8. calibration; 9. a limiting plate; 10. a piston; 11. a sample inlet; 12. a pod; 13. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a full-automatic solid phase micro-extraction and liquid chromatogram ally oneself with and use device, including cylinder 1, the lower extreme of cylinder 1 is provided with introduction port 11, the inside of cylinder 1 is provided with piston 10, the upper end of piston 10 is provided with pushes away and draws a 6, the both ends upside of cylinder 1 is provided with fixed plate 4, the both ends upside of pushing and drawing a 6 is provided with connecting plate 5, be provided with lead screw 3 between one side connecting plate 5 and the fixed plate 4, the lower extreme of lead screw 3 is provided with carousel 2, be provided with slide bar 7 between opposite side connecting plate 5 and the fixed plate 4, the lower extreme of slide bar 7 is provided with limiting plate 9, the surface of slide bar 7 is provided with scale 8.
Specifically, a flow guide cover 12 is arranged at the lower end of the interior of the syringe 1, and a through hole 13 corresponding to the sample inlet 11 is arranged in the middle of the flow guide cover 12.
Through adopting above-mentioned technical scheme, through setting up kuppe 12 at the inside lower extreme of cylinder 1, wait to detect the thing and get into back in the cylinder 1, because kuppe 12 is the inclined plane structure, wait to detect thing accessible kuppe 12, discharge through introduction port 11 again, can conveniently wait to detect taking out of thing through setting up kuppe 12, improve the device practicality.
Specifically, the screw rod 3 is connected with the fixing plate 4 through threads, and the screw rod 3 is rotatably connected with the connecting plate 5 through a bearing.
By adopting the technical scheme, the screw rod 3 can rotate and the push-pull piece 6 can be driven to move by the connecting plate 5.
Specifically, the sliding rod 7 is connected with the fixed plate 4 in a sliding manner.
By adopting the technical scheme, the stability of the push-pull piece 6 during extension is improved by arranging the slide rod 7.
Specifically, the scale 8 and the sliding rod 7 are bonded and connected through glue.
Through adopting above-mentioned technical scheme, glue is bonded and is connected more firmly.
Specifically, the air guide sleeve 12 is fixed to the syringe 1 by snap-fit connection.
Through adopting above-mentioned technical scheme, the block is connected and is easy to assemble more and firm.
The structure and the working principle of the middle needle cylinder 1, the push-pull piece 6, the piston 10, the sample inlet 11 and the air guide sleeve 12 of the utility model are disclosed in a solid phase micro-extraction device disclosed in the Chinese patent application No. CN 208459118U.
The utility model discloses a theory of operation and use flow: the utility model discloses during the use, install the device in suitable position, drive lead screw 3 through rotating carousel 2 and rotate, lead screw 3 drives through connecting plate 5 and pushes away and draw piece 6 to stretch out and draw back, slide bar 7 slides in fixed plate 4 simultaneously, can know the degree of depth of pushing away and drawing piece 6 in cylinder 1 through the scale 8 of observing slide bar 7 surface, through setting up lead screw 3 and slide bar 7 both conveniently push-and-pull of pushing away and drawing piece 6, make things convenient for the staff to know the degree of depth of pushing away and drawing piece 6 in cylinder 1 again, improve device operating mass with rated load.
Through setting up kuppe 12, through setting up kuppe 12 at the inside lower extreme of cylinder 1, wait to detect the thing and get into back in the cylinder 1, because kuppe 12 is the inclined plane structure, wait to detect thing accessible kuppe 12, discharge again through introduction port 11, can conveniently wait taking out of detecting the thing through setting up kuppe 12, improve the device practicality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a full-automatic solid phase micro-extraction and liquid chromatogram allies oneself with device, includes cylinder (1), its characterized in that: the lower extreme of cylinder (1) is provided with introduction port (11), the inside of cylinder (1) is provided with piston (10), the upper end of piston (10) is provided with pushes away and draws piece (6), the both ends upside of cylinder (1) is provided with fixed plate (4), the both ends upside that pushes away and draws piece (6) is provided with connecting plate (5), one side be provided with lead screw (3) between connecting plate (5) and fixed plate (4), the lower extreme of lead screw (3) is provided with carousel (2), the opposite side be provided with slide bar (7) between connecting plate (5) and fixed plate (4), the lower extreme of slide bar (7) is provided with limiting plate (9), the surface of slide bar (7) is provided with scale (8).
2. The fully automatic solid phase micro extraction and liquid chromatography combined device according to claim 1, wherein: the lower end of the interior of the needle cylinder (1) is provided with a flow guide cover (12), and a through hole (13) corresponding to the sample inlet (11) is formed in the middle of the flow guide cover (12).
3. The fully automatic solid phase micro extraction and liquid chromatography combined device according to claim 1, wherein: the screw rod (3) is connected with the fixing plate (4) through threads, and the screw rod (3) is rotatably connected with the connecting plate (5) through a bearing.
4. The fully automatic solid phase micro extraction and liquid chromatography combined device according to claim 1, wherein: the sliding rod (7) is connected with the fixed plate (4) in a sliding manner.
5. The fully automatic solid phase micro extraction and liquid chromatography combined device according to claim 1, wherein: the scales (8) are connected with the sliding rod (7) through glue in an adhesive mode.
6. The fully automatic solid phase micro extraction and liquid chromatography combined device according to claim 2, characterized in that: the air guide sleeve (12) is fixedly connected with the needle cylinder (1) through clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120511908.4U CN214374542U (en) | 2021-03-10 | 2021-03-10 | Full-automatic solid phase micro-extraction and liquid chromatography combined device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120511908.4U CN214374542U (en) | 2021-03-10 | 2021-03-10 | Full-automatic solid phase micro-extraction and liquid chromatography combined device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214374542U true CN214374542U (en) | 2021-10-08 |
Family
ID=77971637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120511908.4U Expired - Fee Related CN214374542U (en) | 2021-03-10 | 2021-03-10 | Full-automatic solid phase micro-extraction and liquid chromatography combined device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214374542U (en) |
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2021
- 2021-03-10 CN CN202120511908.4U patent/CN214374542U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |