CN216560424U - Sample feeding device of high performance liquid chromatography-tandem mass spectrometer - Google Patents
Sample feeding device of high performance liquid chromatography-tandem mass spectrometer Download PDFInfo
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- CN216560424U CN216560424U CN202122604323.XU CN202122604323U CN216560424U CN 216560424 U CN216560424 U CN 216560424U CN 202122604323 U CN202122604323 U CN 202122604323U CN 216560424 U CN216560424 U CN 216560424U
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Abstract
The utility model discloses a sample introduction device of a high performance liquid chromatography-tandem mass spectrometer, and belongs to the technical field of chemical analysis instruments. High performance liquid chromatography-tandem mass spectrometer's sampling device, including the workstation, be equipped with on the workstation and detect the dish, still include: the supporting plate is connected to the workbench in a sliding mode, and the workbench is provided with a motor and a rotating shaft respectively; a pin shaft is mounted on the rotating shaft, a coating roller for uniformly coating the solution is assembled on the pin shaft, the motor drives the rotating shaft to rotate through a transmission set, and the motor is mounted on a support frame on the workbench; the piston cylinder is arranged on the support frame, and scale marks are arranged on the piston cylinder; according to the utility model, the coating roller is driven to rotate by the rotating shaft, so that the solution falling on the coating roller is uniformly coated on the detection disc, the problems of nonuniform distribution and influence on the detection accuracy are avoided, the amount of the solution extracted by the piston cylinder can be accurately controlled, and the problems of excessive extracted solution and waste are avoided.
Description
Technical Field
The utility model relates to the technical field of chemical analysis instruments, in particular to a sample feeding device of a high performance liquid chromatography-tandem mass spectrometer.
Background
At present, the high performance liquid chromatography-tandem mass spectrometer has the advantages of high selectivity, high sensitivity and the like, and is widely applied to compound detection and analysis, and the existing high performance liquid chromatography-tandem mass spectrometer also has the following defects that when a perfluoroalkyl compound is detected and analyzed, because the perfluoroalkyl cannot be uniformly distributed on a detection disc, the distribution of the perfluoroalkyl on the detection disc is uneven, the detection accuracy can be influenced, the amount of the perfluoroalkyl can not be accurately adjusted, and the extraction capacity is more easily generated when the perfluoroalkyl is extracted, so that the waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, the detection accuracy is affected due to the fact that the perfluoroalkyl cannot be uniformly distributed on a detection disc and the perfluoroalkyl on the detection disc is not uniformly distributed, and waste is caused due to the fact that the extraction capacity is large when the perfluoroalkyl is extracted due to the fact that the amount of the perfluoroalkane cannot be accurately adjusted.
In order to achieve the purpose, the utility model adopts the following technical scheme:
high performance liquid chromatography-tandem mass spectrometer's sampling device, including the workstation, be equipped with on the workstation and detect the dish, still include: the supporting plate is connected to the workbench in a sliding mode, and the workbench is provided with a motor and a rotating shaft respectively; a pin shaft is mounted on the rotating shaft, a coating roller for uniformly coating the solution is assembled on the pin shaft, the motor drives the rotating shaft to rotate through a transmission set, and the motor is mounted on a support frame on the workbench; the piston cylinder is arranged on the support frame, and scale marks are arranged on the piston cylinder; the piston plate is assembled in the piston cylinder, and the piston cylinder is provided with a driving assembly for driving the piston plate to move so as to control the internal dissolving amount of the piston cylinder.
In order to drive the piston plate to move up and down and further adjust the solution in the piston cylinder, preferably, the driving assembly comprises a screw rod rotatably connected to the piston cylinder, a connecting rod is in threaded connection with the screw rod, and one end, far away from the screw rod, of the connecting rod is fixedly connected with the piston plate.
Preferably, a piston disc is connected to the piston cylinder in a sliding mode, a piston rod is installed on the piston disc, a liquid storage tank is installed on the side wall of the support frame, the piston cylinder is communicated with the liquid storage tank through a first guide pipe, a spray head is installed above the coating roller, and the piston cylinder is communicated with the spray head through a second guide pipe.
In order to prevent the rotating shaft from interfering with the second guide pipe when rotating, the second guide pipe is further composed of two sections, and the joint of the two sections of the second guide pipe is connected through a rotary joint.
In order to drive the supporting plate to move up and down, a threaded rod is preferably rotatably connected to the workbench, and the supporting plate is in threaded connection with the threaded rod.
In order to support and limit the supporting plate, a guide rod is mounted on the workbench, and the supporting plate is connected to the guide rod in a sliding mode.
Compared with the prior art, the utility model provides a sample injection device of a high performance liquid chromatography-tandem mass spectrometer, which has the following beneficial effects:
1. this sampling device of high performance liquid chromatography-tandem mass spectrometer, exhaust solution fall on the coating roller, and the motor passes through the drive pivot of transmission group and rotates, and the pivot drives the round pin axle and rotates in step, because the coating roller rotates to be connected at the round pin epaxially, and then makes the round pin axle drive the coating roller and rotate to reach on the even scribbling of solution that falls on the coating roller detecting tray, avoid distributing inhomogeneously, influence the accuracy that detects.
2. This sampling device of high performance liquid chromatography-tandem mass spectrometer, lead screw drive connecting rod removes, the connecting rod drives the piston board and upwards or moves down in step, and then reach the piston board to in the piston cylinder and adjust, thereby reduce or increase piston cylinder internal capacity, simultaneously because the piston cylinder is transparent material system, and then convenient to use person adjusts the piston board through the scale sign of piston cylinder outer wall, thereby reach what of accurate control piston cylinder extraction solution volume, the solution of avoiding the extraction is too much, cause the waste.
The device has the advantages that the coating roller is driven to rotate through the rotating shaft, so that the solution falling on the coating roller is uniformly coated on the detection disc, the detection accuracy is prevented from being influenced due to nonuniform distribution, the amount of the solution extracted by the piston cylinder can be accurately controlled, and the waste caused by excessive extracted solution is avoided.
Drawings
FIG. 1 is a first structural diagram of a sample injection device of a high performance liquid chromatography-tandem mass spectrometer provided by the utility model;
FIG. 2 is a schematic structural diagram of a sample injection device of a high performance liquid chromatography-tandem mass spectrometer provided by the utility model;
FIG. 3 is an enlarged view of part A of the sample injection device of the HPLC-tandem mass spectrometer of the present invention in FIG. 1;
FIG. 4 is an enlarged view of the portion B in FIG. 2 of the sample injection device of the HPLC-tandem mass spectrometer according to the present invention.
In the figure: 1. a work table; 101. detecting a disc; 2. a support frame; 201. a liquid storage tank; 3. a piston cylinder; 301. scale marks; 302. a piston disc; 303. a piston rod; 304. a first conduit; 305. a second conduit; 4. a piston plate; 401. a connecting rod; 402. a screw rod; 5. a threaded rod; 501. a guide bar; 502. a support plate; 6. a rotating shaft; 601. a pin shaft; 602. a paint roller; 603. a spray head; 604. a rotary joint; 605. a motor; 606. and a transmission set.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, the sample injection device of the high performance liquid chromatography-tandem mass spectrometer comprises a workbench 1, wherein a detection disc 101 is arranged on the workbench 1, and the sample injection device further comprises: the supporting plate 502 is connected to the workbench 1 in a sliding manner, and the workbench 1 is provided with a motor 605 and a rotating shaft 6 respectively; a pin shaft 601 is arranged on the rotating shaft 6, a coating roller 602 for uniformly coating the solution is arranged on the pin shaft 601, wherein a motor 605 drives the rotating shaft 6 to rotate through a transmission set 606 and is arranged on the support frame 2 on the workbench 1; the piston cylinder 3 is arranged on the support frame 2, and the piston cylinder 3 is provided with a scale mark 301; the piston plate 4 is assembled in the piston cylinder 3, and the piston cylinder 3 is provided with a driving assembly for driving the piston plate 4 to move so as to control the internal dissolving amount of the piston cylinder 3.
A piston disc 302 is connected in the piston cylinder 3 in a sliding mode, a piston rod 303 is installed on the piston disc 302, a liquid storage tank 201 is installed on the side wall of the support frame 2, the piston cylinder 3 is communicated with the liquid storage tank 201 through a first guide pipe 304, a spray head 603 is installed above the paint roller 602, and the piston cylinder 3 is communicated with the spray head 603 through a second guide pipe 305.
The second conduit 305 is composed of two sections, and the joints of the two sections of the second conduit 305 are connected through a rotating joint 604.
The worktable 1 is rotatably connected with a threaded rod 5, and the supporting plate 502 is in threaded connection with the threaded rod 5.
When detecting the solution, firstly, the screw rod 5 is rotated by the rocker, the screw rod 5 drives the support plate 502 to move, meanwhile, the support plate 502 drives the coating roller 602 to synchronously move downwards, so that the coating roller 602 is attached to the surface of the detection disc 101, then, a user holds the handle installed on the piston rod 303, then, the piston rod 303 reciprocates up and down, the piston rod 303 drives the piston disc 302 to reciprocate in the piston cylinder 3, so that the solution in the liquid storage tank 201 is conveyed into the spray head 603 through the first conduit 304 and the second conduit 305, the first conduit 304 and the second conduit 305 are both provided with one-way valves, finally, the solution is discharged through the spray head 603, the discharged solution falls on the coating roller 602, at this time, the motor 605 is started, the motor 605 drives the rotating shaft 6 to rotate through the transmission set 606, the rotating shaft 6 drives the pin shaft 601 to synchronously rotate, because the coating roller 602 is rotatably connected to the pin shaft 601, so that the pin shaft 601 drives the coating roller 602 to rotate, so as to uniformly paint the solution falling on the coating roller 602 on the detection disc 101;
it should be noted that, because the second conduit 305 is divided into two sections, the two sections of the second conduit 305 are connected by the rotating joint 604, so that the interference with the second conduit 305 when the rotating shaft 6 rotates is avoided.
Example 2:
referring to fig. 1-4, a sample injection device for hplc-tandem mass spectrometer is substantially the same as that in embodiment 1, and further, the driving assembly includes a screw rod 402 rotatably connected to the piston cylinder 3, the screw rod 402 is threadedly connected with a connecting rod 401, and one end of the connecting rod 401 away from the screw rod 402 is fixedly connected to the piston plate 4; rotate through handle drive lead screw 402, lead screw 402 drive connecting rod 401 removes, connecting rod 401 drives piston plate 4 and makes progress or downstream in step, and then reaches piston plate 4 to in the piston cylinder 3 and adjust, thereby reduce or increase 3 internal capacity of piston cylinder, because piston cylinder 3 is made for transparent material, and then the person of facilitating the use adjusts piston plate 4 through scale mark 301 of 3 outer walls of piston cylinder, thereby reach the 3 extraction solution volumes of accurate control piston cylinder how much.
Example 3:
referring to fig. 1-4, a sample injection device for hplc-tandem mass spectrometry is substantially the same as that of embodiment 1, and further, a guide rod 501 is installed on the working platform 1, and a support plate 502 is slidably connected to the guide rod 501; when the supporting plate 502 moves up and down on the workbench 1, the supporting plate 502 is limited and supported by the guide rod 501, so that the supporting plate 502 can move up and down on the workbench 1 stably through the guide rod 501.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. High performance liquid chromatography-tandem mass spectrometer's sampling device, including workstation (1), be equipped with on workstation (1) and detect dish (101), its characterized in that still includes:
the supporting plate (502) is connected to the workbench (1) in a sliding manner, and the workbench (1) is provided with a motor (605) and a rotating shaft (6) respectively;
a pin shaft (601) is arranged on the rotating shaft (6), a coating roller (602) for uniformly coating the solution is arranged on the pin shaft (601),
wherein the motor (605) drives the rotating shaft (6) to rotate through the transmission set (606),
a support frame (2) arranged on the workbench (1);
the piston cylinder (3) is arranged on the support frame (2), and scale marks (301) are arranged on the piston cylinder (3);
the piston plate (4) is assembled in the piston cylinder (3), and a driving assembly for driving the piston plate (4) to move and further controlling the internal dissolving amount of the piston cylinder (3) is arranged on the piston cylinder (3).
2. The sample introduction device of the high performance liquid chromatography-tandem mass spectrometer as claimed in claim 1, wherein the driving assembly comprises a screw rod (402) rotatably connected to the piston cylinder (3), a connecting rod (401) is connected to the screw rod (402) in a threaded manner, and one end of the connecting rod (401) far away from the screw rod (402) is fixedly connected to the piston plate (4).
3. The sampling device of high performance liquid chromatography-tandem mass spectrometer as claimed in claim 1, wherein a piston disc (302) is slidably connected in the piston cylinder (3), a piston rod (303) is installed on the piston disc (302), the liquid storage tank (201) is installed on the side wall of the support frame (2), the piston cylinder (3) is communicated with the liquid storage tank (201) through a first conduit (304), the spray head (603) is installed above the paint roller (602), and the piston cylinder (3) is communicated with the spray head (603) through a second conduit (305).
4. The sample introduction device of the high performance liquid chromatography-tandem mass spectrometer as claimed in claim 3, wherein the second conduit (305) is composed of two sections, and the joint of the two sections of the second conduit (305) is connected through a rotary joint (604).
5. The sample introduction device of the high performance liquid chromatography-tandem mass spectrometer as claimed in claim 1, wherein a threaded rod (5) is rotatably connected to the working table (1), and the support plate (502) is in threaded connection with the threaded rod (5).
6. The sample introduction device of the high performance liquid chromatography-tandem mass spectrometer as claimed in claim 5, wherein a guide rod (501) is mounted on the working platform (1), and the support plate (502) is slidably connected to the guide rod (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604323.XU CN216560424U (en) | 2021-10-28 | 2021-10-28 | Sample feeding device of high performance liquid chromatography-tandem mass spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604323.XU CN216560424U (en) | 2021-10-28 | 2021-10-28 | Sample feeding device of high performance liquid chromatography-tandem mass spectrometer |
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| CN216560424U true CN216560424U (en) | 2022-05-17 |
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| CN202122604323.XU Active CN216560424U (en) | 2021-10-28 | 2021-10-28 | Sample feeding device of high performance liquid chromatography-tandem mass spectrometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116908357A (en) * | 2023-09-13 | 2023-10-20 | 济南铭域医学检验实验室有限公司 | Tandem mass spectrometer |
| CN118109282A (en) * | 2024-04-28 | 2024-05-31 | 青岛市动物疫病预防控制中心 | Batch test method and device for bacterial drug resistance |
-
2021
- 2021-10-28 CN CN202122604323.XU patent/CN216560424U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116908357A (en) * | 2023-09-13 | 2023-10-20 | 济南铭域医学检验实验室有限公司 | Tandem mass spectrometer |
| CN116908357B (en) * | 2023-09-13 | 2023-12-01 | 济南铭域医学检验实验室有限公司 | Tandem mass spectrometer |
| CN118109282A (en) * | 2024-04-28 | 2024-05-31 | 青岛市动物疫病预防控制中心 | Batch test method and device for bacterial drug resistance |
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