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CN-224216654-U - Electric thin-layer chromatography sample application device

CN224216654UCN 224216654 UCN224216654 UCN 224216654UCN-224216654-U

Abstract

The utility model discloses an electric thin-layer chromatography sample application device, which relates to the technical field of analytical instruments and comprises a heating sample application device, wherein the upper surface of the heating sample application device is fixedly connected with a supporting seat, the inner side wall of the supporting seat is fixedly connected with an auxiliary rod, the outer side wall of the supporting seat is fixedly connected with a motor, the inner wall of the supporting seat is rotatably connected with a threaded rod, an output shaft of the motor penetrates through one end of the supporting seat to be fixedly connected with the threaded rod, the outer surface of the threaded rod is in threaded connection with a sample application arm, the sample application arm is connected with an electric push rod I, and the electric push rod I is connected with a sample application spray head. The utility model can repeatedly sample and form a plurality of parallel strips, and can reduce errors by taking the average value of detection results corresponding to the strips, improve the detection accuracy, and can also adjust the heating temperature of the heater to the thin-layer plate by the controller so as to analyze the performance of the same sample components at different temperatures.

Inventors

  • ZHANG HAIYUE
  • CHEN ZHUO
  • YAN XIAOJUAN

Assignees

  • 长春工业大学

Dates

Publication Date
20260508
Application Date
20250526

Claims (7)

  1. 1. The utility model provides an electronic thin layer chromatography sample application ware, including heating sample application ware (1), the upper surface fixedly connected with supporting seat (2) of heating sample application ware (1), the auxiliary rod (3) of supporting seat (2) inside wall fixedly connected with, the lateral wall fixedly connected with motor (4) of supporting seat (2), the inner wall rotation of supporting seat (2) is connected with threaded rod (5), the one end and threaded rod (5) fixed connection of supporting seat (2) are passed to the output shaft of motor (4), the surface threaded connection of threaded rod (5) has sample application arm (6), sliding connection has sliding plate (8) on sample application arm (6), one end fixedly connected with electric putter (9) of sliding plate (8), the other end fixedly connected with spacing telescopic link (22) of sliding plate (8), the telescopic end fixedly connected with carriage (10) of electric putter (9), the lower part fixedly connected with sample application shower nozzle (11) of carriage (10), the one side of heating sample application ware (1) is installed respectively air pump (7) and gas-water separator (21), the gas outlet and gas-water separator (21) of air pump (7) are connected with gas-water separator (21), gas outlet (12) and sample application shower (11) are connected through gas-jet.
  2. 2. The electric thin-layer chromatography sample applicator of claim 1, wherein the upper surface of the support frame (10) is fixedly connected with an extension plate (13), and the extension plate (13) is fixedly connected with an electric push rod II (14).
  3. 3. The electric thin-layer chromatography sample application device according to claim 1, wherein one end of the sample application arm (6) close to the lower part is in sliding connection with the auxiliary rod (3), and the telescopic end of the limiting telescopic rod (22) is fixedly connected with the outer surface of the supporting frame (10).
  4. 4. The electric thin-layer chromatography sample application device according to claim 1, wherein two protruding blocks are fixedly connected to the upper surface of the supporting frame (10), sliding columns (18) are connected to the two protruding blocks in a sliding mode, supporting springs (17) are sleeved on the outer surfaces of the two sliding columns (18), bending rods (19) are fixedly connected to one ends, penetrating through the inner side walls of the protruding blocks, of the two sliding columns (18), and clamping sleeves (20) are fixedly connected to one ends, close to each other, of the two bending rods (19).
  5. 5. The device of claim 4, wherein the two clamping sleeves (20) are arc-shaped, one end of the supporting spring (17) is fixed with one end of the sliding column (18) far away from the supporting frame (10), and the other end of the supporting spring (17) is fixedly connected with the convex block on the upper surface of the supporting frame (10).
  6. 6. The electric thin-layer chromatography sample application device according to claim 1, wherein a threaded column (15) is connected to one side wall of the sliding plate (8) close to the first electric push rod (9) in a threaded manner, one end of the threaded column (15) penetrating through the sliding plate (8) is fixedly connected with a squeezing pad (16), the squeezing pad (16) is made of rubber, and the inner wall of the sample application arm (6) is frosted.
  7. 7. The electric thin-layer chromatography sample application device according to claim 1, wherein the sample application arm (6) is hollow, a sliding groove for sliding the sliding plate (8) is formed in the outer surface of the sample application arm, one end of the sliding plate (8) is positioned in the sliding groove, the other end of the sliding plate penetrates out of the sliding groove, and the part penetrating out of the sliding groove is U-shaped.

Description

Electric thin-layer chromatography sample application device Technical Field The utility model relates to the technical field of analytical instruments, in particular to an electric thin-layer chromatography sample application device. Background The electric thin-layer chromatography sample applicator is a professional instrument device for accurately applying a sample to a thin-layer plate in a thin-layer chromatography analysis technology, is used for carrying out qualitative and quantitative analysis on organic compounds in organic chemistry, such as analyzing the purity of each component in a synthesized product, identifying the structure of an unknown organic compound and the like, and can carry out component detection and content measurement on substances such as metal ion complexes, inorganic acid salts and the like in the aspect of inorganic chemistry, and the analysis is assisted by the operations such as separation of the thin-layer chromatography, color development after sample application and the like. The patent number is CN220932889U, the utility model discloses a thin-layer sample application auxiliary device for Chinese-medicinal material inspection, through setting up the fixed thin-layer chromatographic plate of bottom plate, set up micro-syringe or capillary action track under the manual sample application and restrict by guide arm, first movable rod and slip frame for the precision of manual sample application improves, through setting up in the through hole installation draw runner, clamp splice cooperation second spring, can be convenient for assemble sample application equipment centre gripping on the slip frame, make the drip height of test sample fixed, guarantee the homogeneity of spot or linear spot. However, in the process of spotting the sample in the patent, the spotting can only be performed at a limited position, a plurality of rows cannot be spotted out by longitudinal movement for subsequent comparative analysis, and the thin-layer plate itself has a certain area for sample spotting, if the thin-layer plate cannot be longitudinally moved, the thin-layer plate is wasted, if manual movement is adopted, the accurate and consistent distance of each movement is difficult to ensure, the position of each row of spotting is difficult to accurately control, and the problems of deviation of the spotting position, uneven spacing and the like are easy to occur; an electric thin layer chromatography spotter is thus now proposed. Disclosure of Invention In order to overcome the problems presented in the background art, the technical implementation scheme of the utility model is as follows: The utility model provides an electronic thin layer chromatography sample application ware, including heating sample application ware, the last fixedly connected with supporting seat of heating sample application ware, supporting seat inside wall fixedly connected with auxiliary rod, the lateral wall fixedly connected with motor of supporting seat, the inner wall of supporting seat rotates and is connected with the threaded rod, the one end and the threaded rod fixed connection of supporting seat are passed to the output shaft of motor, the surface threaded connection of threaded rod has the sample application arm, sliding connection has the sliding plate on the sample application arm, one end fixedly connected with electric putter one, the other end fixedly connected with spacing telescopic link of sliding plate, the telescopic end fixedly connected with carriage of electric putter one, the fixed intercommunication in lower part of carriage has the sample application shower nozzle, air pump and gas-water separator are installed respectively to the one side of heating sample application ware, the gas outlet and the gas-water separator of air pump communicate through trachea and sample application shower nozzle. Preferably, the upper surface of the support frame is fixedly connected with an extension plate, and the extension plate is fixedly connected with an electric push rod II. Preferably, one end of the sample application arm close to the lower part is in sliding connection with the auxiliary rod, and the telescopic end of the limiting telescopic rod is fixedly connected with the outer surface of the supporting frame. Preferably, the upper surface fixedly connected with two lugs of carriage, all sliding connection slip post on two lugs, the surface of two slip posts all overlaps and is equipped with supporting spring, and the equal fixedly connected with bending rod of one end that two slip posts passed the lug inside wall, the equal fixedly connected with clamping sleeve of one end that two bending rods are close to each other. Preferably, the two clamping sleeves are arranged in a circular arc shape, one end of the supporting spring is fixed with one end of the sliding column far away from the supporting frame, and the other end of the supporting spring is fixedly connected with the convex block o