CN216247833U - Thin layer sample application device and solid phase extraction-thin layer sample application system - Google Patents
Thin layer sample application device and solid phase extraction-thin layer sample application system Download PDFInfo
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- CN216247833U CN216247833U CN202122544612.5U CN202122544612U CN216247833U CN 216247833 U CN216247833 U CN 216247833U CN 202122544612 U CN202122544612 U CN 202122544612U CN 216247833 U CN216247833 U CN 216247833U
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Abstract
The utility model relates to a technical field that the sample detected especially relates to a thin layer sample application device and solid phase extraction-thin layer sample application system, and it includes extraction device, constant volume device and thin layer sample application device, and the extraction device is used for extracting the sample after the sample application of thin layer sample application device, and the constant volume device is used for carrying out concentrated constant volume to the sample after the extraction of extraction device. Wherein thin layer sample application device includes base, fixing base, syringe and ejector pin board, and the fixing base setting is on the base, and the syringe setting is on the fixing base, and the ejector pin board slides along vertical direction and sets up on the fixing base, and the ejector pin board is located the top of syringe and relative along vertical direction, is provided with the subassembly that slides that is used for driving the ejector pin board to slide on the fixing base. The application has the effect of convenient sample application.
Description
Technical Field
The application relates to the technical field of sample detection, in particular to a thin-layer sample application device and a solid-phase extraction-thin-layer sample application system.
Background
In the process of detecting a biological sample, a series of operations such as thin-layer sample application, solid-phase extraction, constant volume and the like are often required to be performed on the sample, so that the detection result of the sample is more accurate. In the process of thin-layer sample application, an operator pushes a piston of the injector, so that a sample in the injector is dripped on the sample application plate through a needle head, and the sample is conveniently observed and detected.
However, in the process of spotting the biological sample in the thin layer, the operator needs to frequently push the syringe piston to perform the spotting operation because the number of spotting times of the biological sample is large, which is troublesome.
SUMMERY OF THE UTILITY MODEL
In order to facilitate sample application, the application provides a thin layer sample application device and a solid phase extraction-thin layer sample application system.
In a first aspect, the present application provides a thin layer sample application device, which adopts the following technical scheme:
the utility model provides a thin layer sample application device, includes base, fixing base, syringe and ejector pin board, the fixing base sets up on the base, the syringe sets up on the fixing base, the ejector pin board slides along vertical direction and sets up on the fixing base, the ejector pin board is located the top of syringe and relative along vertical direction, be provided with the subassembly that slides that is used for the drive ejector pin board to slide on the fixing base.
By adopting the technical scheme, the sliding component drives the ejector plate to slide along the vertical direction, and the ejector plate pushes the piston of the injector, so that a sample is dripped onto the sample spotting plate from the injector, and the sample spotting operation is conveniently and quickly completed.
Optionally, be provided with the groove of sliding on the fixing base, the subassembly of sliding includes cylinder and propelling rod, the cylinder sets up the top at the fixing base, the propelling rod sets up the drive end at the cylinder, the propelling rod slides along vertical direction and sets up on the cell wall in the groove of sliding, the setting of sliding along vertical direction of faller is on the cell wall in the groove of sliding, the one end butt that the cylinder was kept away from to the propelling rod is at the upper surface of faller.
Through adopting above-mentioned technical scheme, the cylinder drive push rod removes along vertical direction, and the push rod promotes the faller and slides along vertical direction, and the faller promotes the syringe, drips the sample in the syringe on the spotting plate, and convenient and fast accomplishes the spotting operation.
Optionally, the sliding assembly further comprises a spring, and the spring is arranged between the push pin plate and a groove wall at the top end of the sliding groove.
By adopting the technical scheme, the spring is stretched in the process that the pushing rod drives the needle pushing plate to push the injector; after finishing the sample application once, the cylinder drives the push rod to return to the original position, the spring recovers elastic deformation, the elastic force of the spring drives the push needle plate to move upwards along the vertical direction, namely, the push needle plate is far away from the injector, and the condition of injector leakage caused by the fact that the push needle plate is abutted to the piston of the injector is reduced.
Optionally, the fixing base slides along the horizontal direction and sets up on the base, be provided with the drive assembly who is used for driving the fixing base to slide on the base, drive assembly includes driving motor, dwang and the seat that slides, the seat that slides sets up on the base, driving motor sets up on the seat that slides, the dwang rotates and sets up on the seat that slides, the axis level of dwang, the one end and the driving motor's of dwang drive end are connected, the bottom of fixing base is run through and is provided with the rotation hole, the dwang pass the rotation hole and with the pore wall threaded connection who rotates the hole.
By adopting the technical scheme, the driving motor drives the rotating rod to rotate, and the rotating rod and the fixed seat are subjected to thread feeding, so that the fixed seat slides along the axial direction of the rotating rod, and the injector is driven to move; the injector sequentially carries out sample application operation on a plurality of point sample plates arranged on the base, so that the working efficiency is improved.
Optionally, a guide groove is formed in the vertical side wall of the sliding seat, a guide block is arranged on the vertical side wall of one side, away from the injector, of the fixing seat, and the guide block is arranged on the groove wall of the guide groove in a sliding mode along the sliding direction of the fixing seat.
Through adopting above-mentioned technical scheme, the guide block slides along the direction of sliding of fixing base and sets up on the cell wall of guide way, reduces the in-process fixing base that dwang and fixing base screw thread fed and takes place the pivoted condition to improve the stability that the fixing base slided.
Optionally, be provided with a plurality of application of sample seats on the base, it is a plurality of the application of sample seat is arranged along the direction of sliding of fixing base and is set up, be provided with on the application of sample seat and be used for the fixed cooperation of being used for the spacing subassembly of the application of sample board that the application of sample device used, spacing subassembly includes the fixed block, the fixed block rotates and sets up on the application of sample seat, the fixed block butt is being used for the cooperation on the application of sample board that the application of sample device used, be provided with the torsional spring between fixed block and the application of sample seat.
By adopting the technical scheme, the fixed block is abutted against the point sample plate by the elasticity of the torsion spring, so that the point sample plate is fixed, the situation that the point sample plate moves in the point sample process is reduced, and the stability and the accuracy of point sample are improved.
In a second aspect, the present application provides a thin layer sample application device and a solid phase extraction-thin layer sample application system, which adopt the following technical solutions:
the utility model provides a thin layer sample application device and solid phase extraction-thin layer sample application system, includes extraction device, constant volume device and above-mentioned thin layer sample application device, the extraction device is used for extracting the sample after the above-mentioned thin layer sample application device sample application, the constant volume device is used for carrying out concentrated constant volume to the sample after the extraction of extraction device.
Through adopting above-mentioned technical scheme, the sample is tentatively observed and is detected after thin layer spotting device spotting, and the sample after the rethread extraction device is to the spotting is extracted, and last rethread is decided and is held the device and carry out concentrated constant volume to the sample for the sample is convenient for detect, reduces the error that the sample detected simultaneously.
Optionally, the extraction device includes extraction base shell and vacuum pump, the vacuum pump sets up in the extraction base shell outside, be provided with the connecting pipe on the vacuum pump, the one end that the vacuum pump was kept away from to the connecting pipe stretches into in the extraction base shell.
Through adopting above-mentioned technical scheme, the vacuum pump is to extracting base shell inside evacuation for extract base shell inside is in vacuum state, is favorable to the extraction of sample.
In summary, the present application includes at least one of the following beneficial technical effects:
the sample application device drives the needle pushing plate to move in the vertical direction through the sliding assembly, and pushes the piston of the injector, so that a sample is dropped onto the sample application plate from the injector, and sample application operation is conveniently and quickly completed;
according to the sample application device, the rotating rod is driven to rotate by the driving motor, and the rotating rod and the fixed seat are in threaded feeding, so that the fixed seat slides along the horizontal direction, a plurality of point sample plates arranged on the base are conveniently subjected to sample application operation, and the working efficiency is improved;
this application makes the fixed block butt on the spotting plate through the elasticity of torsional spring, and convenient and fast fixes the spotting plate, reduces the condition that the spotting in-process spotting plate takes place the skew, improves the stability and the accuracy of spotting.
Drawings
FIG. 1 is a schematic diagram of a thin layer deposition device and a solid phase extraction-thin layer deposition system according to an embodiment of the present invention.
FIG. 2 is a schematic view of the structure of a thin layer deposition device in an embodiment of the present application.
Fig. 3 is an enlarged view at a in fig. 2.
FIG. 4 is a schematic structural diagram of an extraction apparatus in an embodiment of the present application.
Description of reference numerals: 1. a thin layer sample application device; 11. a base; 12. a fixed seat; 121. rotating the hole; 122. a support plate; 123. perforating holes; 124. a guide block; 125. a sliding groove; 13. an injector; 14. a push pin plate; 2. an extraction device; 21. extracting the base shell; 22. a vacuum pump; 24. a connecting pipe; 3. a constant volume device; 4. a drive assembly; 41. a drive motor; 42. rotating the rod; 43. a sliding seat; 431. a first plate; 432. a second plate; 433. a guide groove; 5. a slipping component; 51. a cylinder; 52. a push rod; 53. a spring; 6. a sample application seat; 61. a sample plate is pointed; 7. a limiting component; 71. a fixed block; 72. a torsion spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a thin layer sample application device and a solid phase extraction-thin layer sample application system.
Referring to fig. 1, a thin layer sample application device and solid phase extraction-thin layer sample application system, including extraction device 2, constant volume device 3 and thin layer sample application device 1, thin layer sample application device 1 is used for carrying out the sample application to the sample, and extraction device 2 is used for extracting the sample after the sample application of thin layer sample application device 1, and constant volume device 3 is used for carrying out concentrated constant volume to the sample after extraction device 2 extracts.
Firstly, sample application is carried out on a sample through the thin-layer sample application device 1, the sample is preliminarily observed and detected, then the sample after sample application is extracted through the extraction device 2, and finally the extracted sample is concentrated and subjected to constant volume through the constant volume device 3, so that the concentration of the sample accords with the detection standard.
Referring to fig. 2 and 3, the thin layer sample application device 1 includes a base 11, a fixing seat 12, an injector 13 and a needle pushing plate 14, wherein the fixing seat 12 is slidably disposed on the base 11 along a horizontal direction, and a driving assembly 4 for driving the fixing seat 12 to slidably move is disposed on the base 11. The bottom end of the fixing seat 12 is fixedly connected with a supporting plate 122, the supporting plate 122 is parallel to the upper surface of the base 11, a gap exists between the supporting plate 122 and the upper surface of the base 11, a through hole 123 penetrates through the supporting plate 122 along the vertical direction, and the injector 13 penetrates through the through hole 123 and is fixedly connected to the supporting plate 122. The ejector plate 14 is arranged on the fixed base 12 in a sliding manner along the vertical direction, the ejector plate 14 is positioned above the injector 13 and is opposite to the injector along the vertical direction, and the fixed base 12 is provided with a sliding assembly 5 for driving the ejector plate 14 to slide.
Referring to fig. 2 and 3, three sample application seats 6 are fixedly connected to the base 11, the three sample application seats 6 are arranged in the sliding direction of the fixing seat 12, and the arrangement direction of the three sample application seats 6 is consistent with the movement direction of the syringe 13. Point sample board 61 has been placed on the point sample seat 6, is provided with the spacing subassembly 7 that is used for fixed point sample board 61 on the point sample seat 6, and spacing subassembly 7 includes fixed block 71, and fixed block 71 rotates the setting on point sample seat 6, and fixed block 71 butt is provided with torsional spring 72 between fixed block 71 and the point sample seat 6 on the point sample board 61.
When the sample is sampled, firstly, the fixing block 71 is rotated by overcoming the elasticity of the torsion spring 72, so that the fixing block 71 is far away from the upper surface of the sample sampling seat 6; then, the spotting plate 61 is placed on the spotting seat 6, and the fixing block 71 is slowly lowered so that the fixing block 71 abuts on the spotting plate 61 to fix the spotting plate 61. Then, the sample is injected into the injector 13, the driving assembly 4 is started, the fixed base 12 is driven to slide to a proper position, the injector 13 is opposite to one of the sample plates 61 in the vertical direction, and the driving assembly 4 is closed. Then, the sliding assembly 5 is started, the ejector plate 14 is driven to move downwards in the vertical direction, the ejector plate 14 pushes the piston of the syringe 13, and the sliding assembly 5 is closed after the syringe 13 drips the proper dosage of the sample onto the point sample plate 61. Then the fixed base 12 is moved to the next sample application plate 61 by the driving assembly 4, and the next sample application operation is performed. After the sample application operation is finished, the sample on the sample application plate 61 is preliminarily observed and detected, after the detection is finished, the sample application plate 61 is moved to the extraction device 2 to extract the sample, the extracted sample is sent to the constant volume device 3 to be concentrated and subjected to constant volume, and finally the sample after constant volume is further detected.
Referring to fig. 2 and 3, the driving assembly 4 includes a driving motor 41, a rotating rod 42, and a sliding seat 43, the sliding seat 43 is fixedly connected to the upper surface of the base 11, the sliding seat 43 includes a first plate 431 and a second plate 432, the first plate 431 includes two, the two first plates 431 are relatively fixedly connected to the upper surface of the base 11, and the second plate 432 is fixedly connected between the two first plates 431. The driving motor 41 is disposed on the first plates 431, the rotating lever 42 is rotatably disposed between the two first plates 431, the axis of the rotating lever 42 is horizontal, and one end of the rotating lever 42 is connected with the driving end of the driving motor 41. The bottom of fixing base 12 runs through along the horizontal direction and is provided with rotation hole 121, and dwang 42 passes rotation hole 121 and with the pore wall threaded connection who rotates hole 121.
Referring to fig. 2 and 3, a guide groove 433 is provided on a vertical side wall of the second plate 432 facing one side of the fixing base 12, a guide block 124 is fixedly connected to a vertical side wall of the fixing base 12 facing away from one side of the injector 13, and the guide block 124 is slidably disposed on a groove wall of the guide groove 433 along a sliding direction of the fixing base 12.
After the sample application plate 61 is fixed on the sample application seat 6, the driving motor 41 is started to drive the rotating rod 42 to rotate, and the rotating rod 42 and the fixed seat 12 are subjected to thread feeding, so that the fixed seat 12 moves along the axial direction of the rotating rod 42; meanwhile, the guide block 124 slides on the wall of the guide groove 433 along the axial direction of the rotating rod 42 to guide the fixed seat 12; until the fixed seat 12 is moved to a proper position, the driving motor 41 is turned off, and the injector 13 is vertically opposite to one of the sample plates 61. Then the pushing needle plate 14 is driven by the sliding assembly 5 to move downwards along the vertical direction, the pushing needle plate 14 pushes the piston of the injector 13, and the injector 13 drops the sample on the point sample plate 61; the sliding assembly 5 is closed, the driving motor 41 is started again, and the fixing base 12 is driven to move to the next sample application plate 61 for the next sample application operation.
Referring to fig. 2 and 3, a sliding groove 125 is disposed on the fixing base 12, and a notch of the sliding groove 125 penetrates through a vertical side wall of the fixing base 12 where the supporting plate 122 is located. The sliding assembly 5 comprises an air cylinder 51, a pushing rod 52 and a spring 53, the air cylinder 51 is arranged at the top end of the fixed seat 12, the pushing rod 52 is arranged at the driving end of the air cylinder 51, the pushing rod 52 is arranged on the groove wall of the sliding groove 125 in a sliding manner along the vertical direction, the ejector plate 14 is arranged on the groove wall of the sliding groove 125 in a sliding manner along the vertical direction, and one end, far away from the air cylinder 51, of the pushing rod 52 abuts against the upper surface of the ejector plate 14. Two springs 53 are arranged, the springs 53 are arranged on both sides of the pushing rod 52 along the sliding direction of the fixed seat 12, and the two springs 53 are fixedly connected between the upper surface of the pushing pin plate 14 and the groove wall at the top end of the sliding groove 125.
After the fixed seat 12 moves to a proper position, the air cylinder 51 is started to drive the pushing rod 52 to move downwards along the vertical direction, and the pushing needle plate 14 pushes the piston of the injector 13 to move downwards, so that the injector 13 drops the sample on the point sample plate 61; after the amount of the sample dropped by the syringe 13 reaches the standard, the air cylinder 51 is turned off, the driving motor 41 is turned on again, the fixing base 12 is moved to the next sample application plate 61, the air cylinder 51 is turned on again, and the next sample application operation is performed.
Referring to fig. 4, the extraction device 2 includes an extraction base shell 21 and a vacuum pump 22, the vacuum pump 22 is disposed outside the extraction base shell 21, a connection pipe 24 is connected to the vacuum pump 22, and one end of the connection pipe 24, which is far away from the vacuum pump 22, extends into the extraction base shell 21.
The sample application plate 61 after sample application is placed in the extraction base shell 21, after extraction preparation is completed, the vacuum pump 22 is started to vacuumize the interior of the extraction base shell 21, and extraction efficiency is improved.
The thin layer sample application device and the solid phase extraction-thin layer sample application system in the embodiment of the application have the implementation principle that: the sample is sequentially processed through the thin layer sample application device 1, the extraction device 2 and the constant volume device 3, so that the processed sample is more convenient to detect and the detection result is more accurate. When the thin layer sample application device 1 applies samples to a sample, the driving motor 41 drives the rotating rod 42 to rotate, the rotating rod 42 and the fixed seat 12 generate thread feeding, and the fixed seat 12 is driven to move to the sample application plate 61 along the axial direction of the rotating rod 42; the driving motor 41 is turned off, the air cylinder 51 is started, the pushing rod 52 is driven to move downwards along the vertical direction, the pushing needle plate 14 moves downwards, the pushing needle plate 14 pushes the piston of the injector 13, and the injector 13 drips the sample onto the sample dripping plate 61 to finish sample dripping. Then the fixed base 12 is driven by the driving motor 41 to move to the next sample application plate 61 for the next sample application. After the sample after sample application is primarily observed and detected, the sample is moved to the extraction device 2 for extraction, the extracted sample is moved to the constant volume device 3 for concentration and constant volume, and finally the sample after constant volume is further detected.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A thin layer deposition device, comprising: including base (11), fixing base (12), syringe (13) and faller (14), fixing base (12) set up on base (11), syringe (13) set up on fixing base (12), set up on fixing base (12) along vertical direction sliding on fixing base (12), it is relative just along vertical direction that faller (14) are located the top of syringe (13), be provided with on fixing base (12) and be used for driving the subassembly (5) that slides that faller (14) slided.
2. A thin layer deposition device as claimed in claim 1, wherein: be provided with on fixing base (12) groove (125) that slides, subassembly (5) that slides includes cylinder (51) and push rod (52), cylinder (51) set up the top at fixing base (12), push rod (52) set up the drive end at cylinder (51), push rod (52) slide along vertical direction and set up on the cell wall of groove (125) that slides, push rod (14) slide along vertical direction and set up on the cell wall of groove (125) that slides, the one end butt of cylinder (51) is kept away from in push rod (52) is at the upper surface of push rod (14).
3. A thin layer deposition device as claimed in claim 2, wherein: the sliding assembly (5) further comprises a spring (53), and the spring (53) is arranged between the needle pushing plate (14) and the groove wall at the top end of the sliding groove (125).
4. Thin layer deposition device according to claim 1, characterised in that: fixing base (12) slide along the horizontal direction and set up on base (11), be provided with drive assembly (4) that are used for driving fixing base (12) to slide on base (11), drive assembly (4) include driving motor (41), dwang (42) and slide seat (43), slide seat (43) set up on base (11), driving motor (41) set up on slide seat (43), dwang (42) rotate the setting on slide seat (43), the axis level of dwang (42), the one end of dwang (42) is connected with the drive end of driving motor (41), the bottom of fixing base (12) is run through and is provided with rotation hole (121), dwang (42) pass rotation hole (121) and with the pore wall threaded connection who rotates hole (121).
5. Thin layer deposition device according to claim 4, characterised in that: be provided with guide way (433) on the vertical lateral wall of seat (43) slides, be provided with guide block (124) on the vertical lateral wall that fixing base (12) deviate from syringe (13) one side, guide block (124) slide along the direction of sliding of fixing base (12) and set up on the cell wall of guide way (433).
6. Thin layer deposition device according to claim 4, characterised in that: be provided with a plurality of sample application seats (6) on base (11), it is a plurality of sample application seat (6) are arranged along the direction of sliding of fixing base (12) and are set up, be provided with on sample application seat (6) and be used for fixing and be used for the cooperation spacing subassembly (7) of sample application board (61) that the sample application device used, spacing subassembly (7) are including fixed block (71), fixed block (71) are rotated and are set up on sample application seat (6), fixed block (71) butt is being used for the cooperation on sample application board (61) that the sample application device used, be provided with torsional spring (72) between fixed block (71) and sample application seat (6).
7. The utility model provides a thin layer spotting device and solid phase extraction-thin layer spotting system which characterized in that: the thin layer sample application device comprises an extraction device (2), a constant volume device (3) and the thin layer sample application device (1) as claimed in any one of claims 1 to 6, wherein the extraction device (2) is used for extracting a sample after sample application of the thin layer sample application device (1) as claimed in any one of claims 1 to 6, and the constant volume device (3) is used for concentrating and fixing the volume of the sample after extraction by the extraction device (2).
8. The thin layer printing device and the solid phase extraction-thin layer printing system as claimed in claim 7, wherein: the extraction device (2) comprises an extraction base shell (21) and a vacuum pump (22), wherein the vacuum pump (22) is arranged outside the extraction base shell (21), a connecting pipe (24) is arranged on the vacuum pump (22), and one end, far away from the vacuum pump (22), of the connecting pipe (24) extends into the extraction base shell (21).
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| CN202122544612.5U CN216247833U (en) | 2021-10-21 | 2021-10-21 | Thin layer sample application device and solid phase extraction-thin layer sample application system |
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| CN202122544612.5U CN216247833U (en) | 2021-10-21 | 2021-10-21 | Thin layer sample application device and solid phase extraction-thin layer sample application system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116879483A (en) * | 2023-05-06 | 2023-10-13 | 合肥机数量子科技有限公司 | Automatic quantitative sample application device and automatic sample application method for thin layer chromatography |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116879483A (en) * | 2023-05-06 | 2023-10-13 | 合肥机数量子科技有限公司 | Automatic quantitative sample application device and automatic sample application method for thin layer chromatography |
| CN116879483B (en) * | 2023-05-06 | 2024-01-26 | 合肥机数量子科技有限公司 | Automatic quantitative sample application device and automatic sample application method for thin layer chromatography |
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