CN216605306U

CN216605306U - Device is taken with ration to volatile solvent HS-GC-MS inspection

Info

Publication number: CN216605306U
Application number: CN202123208161.4U
Authority: CN
Inventors: 刘楚萱; 朱彬玲; 陈靖铭
Original assignee: Fujian Police College
Current assignee: Fujian Police College
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-27
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to the technical field of HS-GC-MS (high-speed gas chromatography-mass spectrometry) inspection, and discloses a quantitative taking device for volatile solvent HS-GC-MS inspection, which comprises a frame body, wherein an extraction cylinder is installed at the bottom of the frame body, a piston is connected inside the extraction cylinder in a sliding manner, the top of the piston is bolted with a pull rod, the top of the pull rod penetrates through the bottom of the frame body and is bolted with a lifting plate, and the top of the lifting plate is bolted with a toothed bar; according to the utility model, the toothed plate is driven to compress the return spring by pulling the shifting block, the toothed plate is separated from the gear, the toothed rod is driven to vertically move by the pulling block, and the piston is driven by the pulling rod to extract a solvent, so that the waste of a chemical liquid reagent due to the fact that the reagent cannot be accurately controlled during extraction is avoided, and the accuracy is improved; the rotary sealing cover is fixedly connected with the thread groove at the bottom of the extraction cylinder through threads, and the extracted solvent is sealed, so that the problem that the HS-GC-MS solvent is easy to volatilize, run and quantitatively take operation is avoided, and the sealing property is improved.

Description

Device is taken with ration to volatile solvent HS-GC-MS inspection

Technical Field

The utility model relates to the technical field of HS-GC-MS (high-speed gas chromatography-mass spectrometry) inspection, in particular to a quantitative taking device for volatile solvent HS-GC-MS inspection.

Background

The medical examination is to carry out the microbiological, immunological, biochemical, genetics, hematology, biophysics, cytology and other examinations on materials taken from a human body, thereby providing a science for preventing, diagnosing and treating human diseases and evaluating the health of the human body, detecting some solvent samples in the sampling process, being incapable of accurately controlling when extracting reagents, causing the waste of chemical liquid reagents and reducing the working efficiency, and simultaneously, the HS-GC-MS solvent is easy to cause the operation of volatilization, operation and quantitative taking.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quantitative taking device for volatile solvent HS-GC-MS inspection, which has the advantages of preventing backflow in a dropping process, accurately controlling the amount of pushed drops and sealing to prevent volatilization, and solves the problems that the chemical liquid reagent cannot be accurately controlled during reagent extraction, the waste of the chemical liquid reagent is caused, the working efficiency is reduced, and the HS-GC-MS solvent is easy to cause volatilization operation and quantitative taking operation.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a device is taken with ration to volatile solvent HS-GC-MS inspection, includes the framework, the bottom of framework is installed and is drawed a section of thick bamboo, the inside sliding connection who draws a section of thick bamboo has the piston, the top bolt of piston has the pull rod, the top of pull rod runs through the bottom of framework and the bolt has the lifter plate, the top bolt of lifter plate has the ratch, the top of ratch runs through the top of framework and the bolt has the pull block, install the gear through the rotary rod between the front of framework inner wall and the back, and the right side of gear meshes with the left side of ratch mutually, the left side meshing of gear has the pinion rack, the left side bolt of pinion rack has the carriage release lever, and the left end of carriage release lever runs through the left side of framework and the bolt has the shifting block, the left side joint of pinion rack has reset spring, and reset spring's left end joint is in the left side of framework inner wall, the bottom of drawing a section of thick bamboo surface has seted up the thread groove, the right side of drawing a section of thick bamboo installs the anticreep area, the one end in anticreep area is rotated and is connected with sealed lid, and the top and the thread groove threaded connection of sealed lid.

Preferably, both sides of the bottom of the pulling block are arc-shaped.

Preferably, the front surface of the extraction cylinder is provided with a scale bar.

Preferably, the right side of the inner wall of the frame body is provided with a lifting groove, and the right side of the lifting plate is connected with the lifting groove in a sliding manner.

Preferably, a cushion ring is mounted on the surface of the frame body.

Preferably, a sealing block is mounted at the bottom of the piston.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the toothed plate is driven to compress the return spring by pulling the shifting block, the toothed plate is separated from the gear, the toothed rod is driven to vertically move by the pulling block, and the piston is driven by the pulling rod to extract a solvent, so that the waste of a chemical liquid reagent due to the fact that the reagent cannot be accurately controlled during extraction is avoided, and the accuracy is improved;

the rotary sealing cover is fixedly connected with the thread groove at the bottom of the extraction cylinder through threads, and the extracted solvent is sealed, so that the problem that the HS-GC-MS solvent is easy to volatilize, run and quantitatively take and use is avoided, and the sealing property is improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is a partially enlarged view of the point A in the structure of FIG. 2.

In the figure: 1. a frame body; 2. an extraction cylinder; 3. a piston; 4. a pull rod; 5. a lifting plate; 6. a rack bar; 7. pulling the block; 8. a gear; 9. a toothed plate; 10. a travel bar; 11. shifting blocks; 12. a return spring; 13. a thread groove; 14. a release-preventing band; 15. a sealing cover; 16. a scale bar; 17. a lifting groove; 18. a cushion ring; 19. and (6) sealing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a quantitative taking device for volatile solvent HS-GC-MS inspection comprises a frame body 1, an extraction barrel 2 is installed at the bottom of the frame body 1, a piston 3 is connected inside the extraction barrel 2 in a sliding mode, a pull rod 4 is connected to the top of the piston 3 in a bolted mode, a lifting plate 5 is connected to the top of the pull rod 4 in a bolted mode and penetrates through the bottom of the frame body 1, a toothed rod 6 is connected to the top of the lifting plate 5 in a bolted mode and penetrates through the top of the frame body 1 in a bolted mode and is connected with a pull block 7, a gear 8 is installed between the front face and the back face of the inner wall of the frame body 1 through a rotating rod, the right side of the gear 8 is meshed with the left side of the toothed rod 6, a toothed plate 9 is meshed with the left side of the gear 8, a moving rod 10 is connected to the left side of the toothed plate 9 in a bolted mode, a shifting block 11 is connected to the left end of the moving rod 10 in a bolted mode, a return spring 12 is clamped to the left side of the toothed plate 9, and the left end of the return spring 12 is clamped on the left side of the inner wall of the frame body 1, the bottom of the surface of the extraction cylinder 2 is provided with a thread groove 13, the right side of the extraction cylinder 2 is provided with an anti-falling belt 14, one end of the anti-falling belt 14 is rotatably connected with a sealing cover 15, the top of the sealing cover 15 is in threaded connection with the thread groove 13, the toothed plate 9 is driven by pulling the shifting block 11 to compress the reset spring 12, the toothed plate 9 is separated from the gear 8, the pull block 7 drives the toothed rod 6 to vertically move, and the pull rod 4 drives the piston 3 to extract a solvent, so that the problem that the reagent cannot be accurately controlled during extraction is avoided, waste of a chemical liquid reagent can be caused, and the accuracy is improved; the extracted solvent is sealed by connecting and fixing the rotary sealing cover 15 and the thread groove 13 at the bottom of the extraction cylinder 2 in a threaded manner, so that the problem that the HS-GC-MS solvent is easy to volatilize, run and take quantitatively is avoided, and the sealing property is improved.

Further, the two sides of the bottom of the pull block 7 are both arc-shaped, and the two sides of the bottom of the pull block 7 are both arc-shaped through arrangement, so that a user can pull the pull operation conveniently.

Further, the front face of the extraction cylinder 2 is provided with a scale bar 16, and the solvent extraction amount can be conveniently observed by arranging the scale bar 16.

Furthermore, a lifting groove 17 is formed in the right side of the inner wall of the frame body 1, the right side of the lifting plate 5 is connected with the lifting groove 17 in a sliding mode, and the lifting groove 17 is arranged, so that the purpose of enhancing stability is achieved when the lifting plate 5 vertically moves.

Furthermore, the surface of the frame body 1 is provided with a cushion ring 18, and the cushion ring 18 is arranged to enhance the friction force and reduce the slip probability when in use.

Further, a sealing block 19 is installed at the bottom of the piston 3, and the sealing block 19 is arranged to enhance the sealing performance when the piston 3 vertically slides.

The working principle is as follows: pulling the shifting block 11 to drive the toothed plate 9 to compress the return spring 12, separating the toothed plate 9 from the gear 8, driving the toothed rod 6 to vertically move by the pulling block 7, and driving the piston 3 to extract the solvent by the pull rod 4;

the rotary sealing cover 15 is fixedly connected with the thread groove 13 at the bottom of the extraction cylinder 2 in a threaded manner to seal the extracted solvent.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A volatile solvent HS-GC-MS inspection is with quantitative device of taking, includes framework (1), its characterized in that: the bottom of the frame body (1) is provided with an extraction barrel (2), the inside sliding connection of the extraction barrel (2) is provided with a piston (3), the top of the piston (3) is bolted with a pull rod (4), the top of the pull rod (4) penetrates through the bottom of the frame body (1) and is bolted with a lifting plate (5), the top of the lifting plate (5) is bolted with a toothed rod (6), the top of the toothed rod (6) penetrates through the top of the frame body (1) and is bolted with a pull block (7), a gear (8) is installed between the front surface and the back surface of the inner wall of the frame body (1) through a rotating rod, the right side of the gear (8) is meshed with the left side of the toothed rod (6), the left side of the gear (8) is meshed with a toothed plate (9), the left side of the toothed plate (9) is bolted with a moving rod (10), and the left end of the moving rod (10) penetrates through the left side of the frame body (1) and is bolted with a shifting block (11), the left side joint of pinion rack (9) has reset spring (12), and the left end joint of reset spring (12) is in the left side of framework (1) inner wall, thread groove (13) have been seted up to the bottom of drawing a section of thick bamboo (2) surface, the right side of drawing a section of thick bamboo (2) is installed anticreep area (14), the one end rotation of anticreep area (14) is connected with sealed lid (15), and the top and the thread groove (13) threaded connection of sealed lid (15).

2. The quantitative taking device for the volatile solvent HS-GC-MS test according to claim 1, characterized in that: the two sides of the bottom of the pull block (7) are arc-shaped.

3. The quantitative taking device for the volatile solvent HS-GC-MS test according to claim 1, characterized in that: and the front surface of the extraction cylinder (2) is provided with a scale bar (16).

4. The quantitative taking device for the volatile solvent HS-GC-MS test according to claim 1, characterized in that: lifting grooves (17) are formed in the right side of the inner wall of the frame body (1), and the right side of the lifting plate (5) is connected with the lifting grooves (17) in a sliding mode.

5. The quantitative taking device for the volatile solvent HS-GC-MS test according to claim 1, characterized in that: the surface of the frame body (1) is provided with a cushion ring (18).

6. The quantitative taking device for the volatile solvent HS-GC-MS test according to claim 1, characterized in that: and a sealing block (19) is arranged at the bottom of the piston (3).