CN220939226U - Solid phase microextraction appearance - Google Patents
Solid phase microextraction appearance Download PDFInfo
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- CN220939226U CN220939226U CN202322649060.3U CN202322649060U CN220939226U CN 220939226 U CN220939226 U CN 220939226U CN 202322649060 U CN202322649060 U CN 202322649060U CN 220939226 U CN220939226 U CN 220939226U
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- phase microextraction
- solid
- electric telescopic
- fixedly connected
- fixing
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- 238000002470 solid-phase micro-extraction Methods 0.000 title claims abstract description 70
- 238000000605 extraction Methods 0.000 claims abstract description 15
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 238000004817 gas chromatography Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a solid-phase microextraction instrument, which comprises a machine base, wherein the upper end of the machine base is fixedly connected with a support frame and a second electric telescopic rod, and a clamping device is arranged in the support frame and used for clamping a test tube; the extending end of the second electric telescopic rod is provided with a fixing device, the inside of the support frame is connected with a solid-phase microextraction instrument body in a sliding manner, and the fixing device is used for fixing the solid-phase microextraction instrument body; the upper end of the fixing device is provided with a pressing device which is used for driving the extraction head to extend out. According to the utility model, the second electric telescopic rod and the fixing device are arranged, and the fixing device is used for fixing the solid-phase microextraction instrument body, so that the solid-phase microextraction instrument body is fixed on the second electric telescopic rod, and thus, the solid-phase microextraction instrument body does not need to be manually held when being used, the labor intensity of manpower is reduced, and the protection of the solid-phase microextraction instrument body is improved.
Description
Technical Field
The utility model relates to the technical field of solid-phase microextraction instruments, in particular to a solid-phase microextraction instrument.
Background
The solid phase micro extraction device is similar to a micro sampler of gas chromatograph, the extraction head is coated with a solid phase micro extraction coating on a quartz fiber, a thin stainless steel tube is sleeved outside the extraction head to protect the quartz fiber from being broken, and the fiber head can stretch in the steel tube. The fiber head is inserted into the upper space of the headspace bottle filled with the sample solution, the solution is stirred to accelerate the balance between the two phases, and after a period of time, the fiber head is taken out and inserted into the gas chromatography vaporization chamber, and substances adsorbed on the coating are thermally desorbed. After the extracted matter is desorbed in the vaporizing chamber, the extracted matter is led into chromatographic column via the mobile phase to complete the extraction, enrichment and separation. Solid phase microextraction techniques are almost used for the analysis of various volatile or semi-volatile substances in samples of gases, liquids, organisms, solids, etc. Has been developed for a short time of 10 years so far, and has been widely used in various fields of environment, biology, industry, food, clinical medicine and the like.
At present, when the solid-phase microextraction instrument is used, in the sampling link and the extraction and concentration link, the solid-phase microextraction instrument needs to be manually held, and the extraction head is a key component which is easy to damage, and frequent holding operation can damage the extraction head or cause manual operation errors, so that experiments fail, and therefore, the solid-phase microextraction instrument needs to be designed.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a solid-phase microextraction instrument.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the solid-phase microextraction instrument comprises a machine base, wherein the upper end of the machine base is fixedly connected with a support frame and a second electric telescopic rod, a clamping device is arranged in the support frame and used for clamping a test tube; the extension end of the second electric telescopic rod is provided with a fixing device, the inside of the support frame is connected with a solid-phase microextraction instrument body in a sliding manner, and the fixing device is used for fixing the solid-phase microextraction instrument body; the upper end of the fixing device is provided with a pressing device which is used for driving the extraction head to extend out.
As a further description of the above technical solution:
the lower end of the machine base is fixedly connected with cushion feet, and the cushion feet are provided with four cushion feet and are uniformly distributed at four corners of the lower end of the machine base.
As a further description of the above technical solution:
The clamping device comprises a first electric telescopic rod and a clamping plate, wherein the first electric telescopic rod is fixedly connected to the inside of the supporting frame, the clamping plate is fixedly connected to the extending end of the first electric telescopic rod, and the clamping plate is in an arc shape.
As a further description of the above technical solution:
The fixing device comprises an extension plate, a first fixing seat, a second fixing seat, a threaded rod and a nut, wherein the extension plate is fixedly connected with the extension end of the second electric telescopic rod, the extension plate is far away from the first fixing seat which is fixedly connected with one end of the second electric telescopic rod, the threaded rod is connected with the first fixing seat in a sliding manner, the end part of the threaded rod is fixedly connected with the second fixing seat, the second fixing seat is matched with the first fixing seat, the solid-phase microextraction instrument body is located between the first fixing seat and the second fixing seat, and the nut is connected with the threaded rod through a circumferential surface thread.
As a further description of the above technical solution:
The mounting grooves are formed in the inner walls of the first fixing seat and the second fixing seat, the clamping rings are connected inside the mounting grooves in a sliding mode, and the clamping rings are fixedly connected with the solid-phase microextraction instrument body.
As a further description of the above technical solution:
The pressing device comprises a third electric telescopic rod, a pressing plate and a plug seat, wherein the upper end of the extending plate is fixedly connected with the third electric telescopic rod, the extending end of the third electric telescopic rod is fixedly connected with the pressing plate, and the lower end of the pressing plate is fixedly connected with the plug seat.
As a further description of the above technical solution:
The upper end face of the support frame is provided with a through hole, and the solid-phase microextraction instrument body is positioned in the through hole.
The utility model has the following beneficial effects:
1. Compared with the prior art, the solid-phase microextraction instrument has the advantages that the second electric telescopic rod and the fixing device are arranged, the solid-phase microextraction instrument body is fixed by the fixing device, and the solid-phase microextraction instrument body is fixed on the second electric telescopic rod, so that the solid-phase microextraction instrument body is not required to be manually held when being used, the labor intensity of manpower is reduced, and meanwhile, the protection of the solid-phase microextraction instrument body is improved.
2. Compared with the prior art, this solid-phase microextraction appearance through setting up third electric telescopic handle, pressing plate and socket, during the use, inserts the interior of socket with the pressing end of solid-phase microextraction appearance body, starts the third electric telescopic handle at this moment and contracts, just can drive the pressing plate and move down to conveniently drive the extraction head of solid-phase microextraction appearance body and stretch out the solid-phase microextraction appearance body, make the device operation more convenient.
Drawings
FIG. 1 is a schematic diagram of a solid phase microextraction device according to the present utility model at a first view angle;
FIG. 2 is a schematic diagram of a solid phase microextraction device according to the present utility model at a second view angle;
FIG. 3 is a schematic diagram of the solid phase microextraction device after the device is disassembled;
FIG. 4 is an enlarged view of part A of FIG. 3 of a solid phase microextraction device according to the present utility model;
fig. 5 is an enlarged view of part B in fig. 3 of a solid phase microextraction device according to the present utility model.
Legend description:
1. A base; 2. a support frame; 3. a clamping device; 301. a first electric telescopic rod; 302. a clamping plate; 4. a solid phase microextraction instrument body; 5. a second electric telescopic rod; 6. a pressing device; 601. a third electric telescopic rod; 602. pressing the plate; 603. a socket; 7. a fixing device; 701. an extension plate; 702. a first fixing seat; 703. the second fixing seat; 704. a threaded rod; 705. a nut; 8. foot pads; 9. a through hole; 10. a mounting groove; 11. and a clasp.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the solid-phase microextraction instrument provided by the utility model comprises a machine base 1, wherein the upper end of the machine base 1 is fixedly connected with a support frame 2 and a second electric telescopic rod 5, a clamping device 3 is arranged in the support frame 2, and the clamping device 3 is used for clamping a test tube; the extending end of the second electric telescopic rod 5 is provided with a fixing device 7, the inside of the support frame 2 is connected with the solid-phase microextraction instrument body 4 in a sliding manner, and the fixing device 7 is used for fixing the solid-phase microextraction instrument body 4; the upper end of the fixing device 7 is provided with a pressing device 6, and the pressing device 6 is used for driving the extraction head to extend out.
Specifically, place the sample bottle in frame 1 upper end, then utilize clamping device 3 to give the sample bottle fixed, start second electric telescopic handle 5 afterwards, at this moment just can drive solid phase microextraction appearance body 4 under fixing device 7's cooperation and remove, conveniently inject solid phase microextraction appearance body 4 inside the sample bottle, after solid phase microextraction appearance body 4 enters into the inside one end distance of sample bottle, utilize press device 6 to stretch out solid phase microextraction appearance body 4 with the extraction head of solid phase microextraction appearance body 4 to the convenience extraction head carries out the extraction.
The base 1 lower extreme fixedly connected with pad foot 8, pad foot 8 are provided with four, and evenly distributed is in base 1 lower extreme four corners, and during operation can support base 1 under the effect of pad foot 8 through setting up pad foot 8, is favorable to base 1 to cool down.
The clamping device 3 comprises a first electric telescopic rod 301 and a clamping plate 302, the first electric telescopic rod 301 is fixedly connected to the inside of the supporting frame 2, the clamping plate 302 is fixedly connected to the extending end of the first electric telescopic rod 301, the clamping plate 302 is in an arc shape, and when the clamping device is in operation, the first electric telescopic rod 301 is started, and then the clamping plate 302 can be driven to clamp, so that a sample bottle can be fixed under the action of the clamping plate 302, and the sample bottle is prevented from toppling.
The fixing device 7 comprises an extension plate 701, a first fixing seat 702, a second fixing seat 703, a threaded rod 704 and a nut 705, the extension end of the second electric telescopic rod 5 is fixedly connected with the extension plate 701, one end, away from the second electric telescopic rod 5, of the extension plate 701 is fixedly connected with the first fixing seat 702, the threaded rod 704 is connected with the first fixing seat 704 in a sliding manner, the end part of the threaded rod 704 is fixedly connected with the second fixing seat 703, the second fixing seat 703 is matched with the first fixing seat 702, the solid-phase microextraction instrument body 4 is located between the first fixing seat 702 and the second fixing seat 703, the nut 705 is connected with the circumference of the threaded rod 704 in a threaded manner, the solid-phase microextraction instrument body 4 is installed between the first fixing seat 702 and the second fixing seat 703 in a threaded manner, and then the nut 705 is screwed, so that the solid-phase microextraction instrument body 4 can be fixed without manual holding.
The mounting groove 10 has all been seted up to first fixing base 702 and second fixing base 703 inner wall, and the inside sliding connection of mounting groove 10 has snap ring 11, fixed connection between snap ring 11 and the solid phase microextraction appearance body 4, and during operation is through setting up snap ring 11, just can prevent at this moment that solid phase microextraction appearance body 4 breaks away from first fixing base 702 and second fixing base 703.
The pressing device 6 comprises a third electric telescopic rod 601, a pressing plate 602 and a plug socket 603, the upper end of the extending plate 701 is fixedly connected with the third electric telescopic rod 601, the extending end of the third electric telescopic rod 601 is fixedly connected with the pressing plate 602, the lower end of the pressing plate 602 is fixedly connected with the plug socket 603, the pressing end of the solid-phase microextraction instrument body 4 is inserted into the plug socket 603 during operation, at the moment, the third electric telescopic rod 601 is started to shrink, the pressing plate 602 can be driven to move downwards, and therefore the extraction head of the solid-phase microextraction instrument body 4 is conveniently driven to extend out of the solid-phase microextraction instrument body 4, and the device is more convenient to operate.
The through hole 9 has been seted up to support frame 2 up end, and solid phase microextraction appearance body 4 is located inside the through hole 9, and during operation is convenient for change solid phase microextraction appearance body 4 under the effect of through hole 9 through setting up the through hole 9.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A solid phase microextraction instrument, comprising a stand (1), characterized in that: the upper end of the machine base (1) is fixedly connected with a support frame (2) and a second electric telescopic rod (5), a clamping device (3) is arranged in the support frame (2), and the clamping device (3) is used for clamping a test tube; the extending end of the second electric telescopic rod (5) is provided with a fixing device (7), the inside of the supporting frame (2) is connected with a solid-phase microextraction instrument body (4) in a sliding manner, and the fixing device (7) is used for fixing the solid-phase microextraction instrument body (4); the upper end of the fixing device (7) is provided with a pressing device (6), and the pressing device (6) is used for driving the extraction head to extend out.
2. The solid phase microextraction device according to claim 1, wherein: the lower end of the machine base (1) is fixedly connected with cushion feet (8), and the cushion feet (8) are provided with four cushion feet and are uniformly distributed at four corners of the lower end of the machine base (1).
3. The solid phase microextraction device according to claim 1, wherein: clamping device (3) are including first electric telescopic handle (301) and grip block (302), the inside fixedly connected with of support frame (2) is first electric telescopic handle (301), first electric telescopic handle (301) stretching out and drawing back end connection has grip block (302), grip block (302) are circular arc shape.
4. The solid phase microextraction device according to claim 1, wherein: fixing device (7) are including extension board (701), first fixing base (702), second fixing base (703), threaded rod (704) and nut (705), the extension end fixedly connected with extension board (701) of second electric telescopic handle (5), the one end fixedly connected with first fixing base (702) of second electric telescopic handle (5) is kept away from to extension board (701), inside sliding connection of first fixing base (702) has threaded rod (704), threaded rod (704) end fixedly connected with second fixing base (703), second fixing base (703) cooperate with first fixing base (702), solid phase microextraction appearance body (4) are located between first fixing base (702) and second fixing base (703), threaded rod (704) circumference threaded connection has nut (705).
5. The solid phase microextraction device according to claim 4, wherein: the device is characterized in that mounting grooves (10) are formed in the inner walls of the first fixing seat (702) and the second fixing seat (703), clamping rings (11) are connected inside the mounting grooves (10) in a sliding mode, and the clamping rings (11) are fixedly connected with the solid-phase microextraction instrument body (4).
6. The solid phase microextraction device according to claim 4, wherein: the pressing device (6) comprises a third electric telescopic rod (601), a pressing plate (602) and a plug seat (603), wherein the third electric telescopic rod (601) is fixedly connected to the upper end of the extending plate (701), the pressing plate (602) is fixedly connected to the extending end of the third electric telescopic rod (601), and the plug seat (603) is fixedly connected to the lower end of the pressing plate (602).
7. The solid phase microextraction device according to claim 1, wherein: the solid-phase microextraction instrument is characterized in that a through hole (9) is formed in the upper end face of the supporting frame (2), and the solid-phase microextraction instrument body (4) is located in the through hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322649060.3U CN220939226U (en) | 2023-09-28 | 2023-09-28 | Solid phase microextraction appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322649060.3U CN220939226U (en) | 2023-09-28 | 2023-09-28 | Solid phase microextraction appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220939226U true CN220939226U (en) | 2024-05-14 |
Family
ID=90976485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322649060.3U Active CN220939226U (en) | 2023-09-28 | 2023-09-28 | Solid phase microextraction appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939226U (en) |
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2023
- 2023-09-28 CN CN202322649060.3U patent/CN220939226U/en active Active
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