CN212060107U - Column scanning selection device for rod-shaped thin-layer chromatography - Google Patents
Column scanning selection device for rod-shaped thin-layer chromatography Download PDFInfo
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- CN212060107U CN212060107U CN202020811639.9U CN202020811639U CN212060107U CN 212060107 U CN212060107 U CN 212060107U CN 202020811639 U CN202020811639 U CN 202020811639U CN 212060107 U CN212060107 U CN 212060107U
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- layer chromatography
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Abstract
The utility model relates to a column scanning selection device for bar thin-layer chromatography, the on-line screen storage device comprises a base, be fixed with horizontal slide bar on the base, extension board and back board before horizontal slide bar's top is equipped with, fixed longitudinal slide bar and fixed plate between preceding extension board and the back board, the cover has horizontal sliding sleeve on the horizontal slide bar of rear side, install the swivel nut on the fixed plate, the screw rod, be fixed with vertical motor on the fixed plate, longitudinal slide bar's top is equipped with the mounting panel, the right side bottom of mounting panel is fixed with the vertical sliding sleeve of cover on the longitudinal slide bar of right side, mounting panel left side bottom sprag is at the top of the longitudinal slide bar in left. The utility model discloses a respectively set up the horizontal sliding rod and the vertical slide bar of two parallels, be equipped with the sliding sleeve on horizontal sliding rod and the vertical slide bar of one side, then mounting panel and front strut opposite side directly support on horizontal sliding rod and vertical slide bar, like this when transmission and assembly, just can not cause the card to die because of transmission or assembly deviation.
Description
Technical Field
The utility model belongs to the technical field of gaseous detection, concretely relates to stick column scanning selection device for thin layer chromatography.
Background
The rod-shaped thin-layer chromatograph is currently and internationally widely used in the fields of petrochemical industry, petroleum geology, coal chemistry, fine chemical industry, medicine and health, environmental chemistry and the like. The instrument has the characteristics of simple and convenient operation, high analysis speed, short analysis period, accurate analysis data and the like. The instrument is mainly used for analyzing and detecting organic compounds which are difficult to separate by gas chromatography and difficult to analyze by liquid chromatography, and particularly is the only effective means for analyzing the group composition of macromolecular compounds. The rod-shaped thin-layer chromatography is a novel tool for analyzing the content of organic matter group components and macromolecular compounds, and the production of the rod-shaped thin-layer chromatography makes up the defects of the traditional gas phase, liquid phase, plate thin-layer and other chromatographs in organic content analysis.
The rod-shaped thin-layer chromatograph comprises a detector and a column scanning selection device for chromatography, wherein the column scanning selection device for chromatography is provided with a transverse sliding rail and a longitudinal sliding rail, and then the power of a driving motor is transmitted through a screw-nut pair, so that the column for chromatography arranged on the column scanning selection device is selected to be positioned in a scanning area of the detector, and scanning is performed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stick form for thin layer chromatography column scan selecting arrangement solves present selecting arrangement and generally uses two sliding sleeves and slide bar complex structure in slide and slide rail cooperation both sides, makes like this when the assembly of sliding sleeve slide bar or drive when the deviation appears, causes the dead problem of card very easily.
The utility model discloses rodlike thin-layer chromatography is with column scanning selection device, the on-line screen storage device comprises a base, be fixed with two horizontal slide bar that are parallel to each other on the base, extension board and back board before being equipped with respectively around horizontal slide bar's the top, two vertical slide bar and the fixed plate that are parallel to each other of fixedly connected with between preceding extension board and the back board, the cover has horizontal sliding sleeve on the horizontal slide bar of back side, horizontal sliding sleeve is fixed with the fixed plate, the top at the horizontal slide bar of front side is supported to the preceding backup pad, be fixed with the swivel nut on the fixed plate, be equipped with the screw rod in the swivel nut, the horizontal motor of screw rod one end fixed connection, be fixed with vertical motor on the fixed plate, the top of vertical slide bar is equipped with the mounting panel, vertical motor passes through transmission structure and connects the mounting panel, the right side bottom of mounting.
The transmission mechanism comprises a gear fixed on an output shaft of the longitudinal motor, and a rack meshed with the gear is fixed on the right side wall of the mounting plate. The transmission is stable, and the structure is simple.
The bottom of the front support plate is in threaded connection with a first support stud, and the bottom of the first support stud is in contact with the top of the front-side transverse sliding rod. The height of the first support stud can be adjusted, and therefore the distance between the front support plate and the transverse sliding rod is adjusted.
And the bottom of the left side of the mounting plate is in threaded connection with a second supporting stud, and the bottom of the second supporting stud is in contact with the top of the left longitudinal sliding rod. The height of the second support stud can be adjusted, so that the distance between the mounting plate and the longitudinal slide rod can be adjusted.
The column sample introduction device for chromatography is a push-pull track sample introduction device, and the push-pull track sample introduction device is a push-pull track sample introduction device with the application number of 201721163640.X applied by the company and can adapt to chromatographic columns with more sizes.
Compared with the prior art, the utility model has the advantages of:
through respectively setting up two parallel horizontal slide bars and vertical slide bar, be equipped with the sliding sleeve on horizontal slide bar of one side and the vertical slide bar of one side, then mounting panel and front strut board opposite side directly support on horizontal slide bar and vertical slide bar, just so when transmission and assembly, can not cause the card to die because of transmission or assembly deviation.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the present invention;
in the figure: 1. the device comprises a base, 2, a rear supporting plate, 3, a longitudinal sliding rod, 4, a transverse sliding sleeve, 5, a fixing plate, 6, a transverse sliding rod, 7, a screw rod, 8, a transverse motor, 9, a longitudinal motor, 10, a gear, 11, a rack, 12, a front supporting plate, 13, a mounting plate, 14, a longitudinal sliding sleeve, 15, a chromatographic column sample injection device, 16, a first supporting stud, 17 and a second supporting stud.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
The column scanning selection device for the bar-shaped thin-layer chromatography shown in the figure 1-2 comprises a base 1, two parallel transverse sliding rods 6 are fixed on the base 1, a front support plate 12 and a rear support plate 2 are respectively arranged above and behind the transverse sliding rods 6, two parallel longitudinal sliding rods 3 and a fixed plate 5 are fixedly connected between the front support plate 12 and the rear support plate 2, a transverse sliding sleeve 4 is sleeved on the rear transverse sliding rod 6, the transverse sliding sleeve 4 is fixed with the fixed plate 5, the front support plate 12 is supported on the top of the front transverse sliding rod 6, a screw sleeve is fixed on the fixed plate 5, a screw rod 7 is arranged in the screw sleeve, one end of the screw rod 7 is fixedly connected with a transverse motor 8, a longitudinal motor 9 is fixed on the fixed plate 5, a mounting plate 13 is arranged above the longitudinal sliding rods 3, the longitudinal motor 9 is connected with the mounting plate 13 through a transmission structure, a longitudinal sliding sleeve 14 sleeved on the, the bottom of the left side of the mounting plate 13 is supported at the top of the left longitudinal slide bar 3, and the mounting plate 13 is provided with a column sample injection device 15 for chromatography.
The transmission mechanism comprises a gear 10 fixed on an output shaft of the longitudinal motor 9, and a rack 11 meshed with the gear 10 is fixed on the right side wall of the mounting plate 13.
The bottom of the front support plate 12 is in threaded connection with a first support stud 16, and the bottom of the first support stud 16 is in contact with the top of the front lateral sliding rod 6.
The bottom of the left side of the mounting plate 13 is in threaded connection with a second support stud 17, and the bottom of the second support stud 17 is in contact with the top of the left longitudinal slide bar 3.
The chromatographic column sample injection device 15 is a push-pull rail sample injection device.
When the device is used, the chromatographic column sample introduction device is drawn out, then a plurality of rodlike chromatographic columns are installed into the push-pull type rail sample introduction device and then pushed into the supporting chute of the mounting plate, when the rodlike chromatographic columns are selected, the transverse motor drives the screw sleeve, the fixing plate and the mounting plate to move transversely, the longitudinal motor drives the gear to drive the rack and the mounting plate to move longitudinally, and therefore one of the plurality of rodlike chromatographic columns is selected to be positioned below the detector for scanning.
To sum up, the utility model discloses a respectively set up the horizontal slide bar and the vertical slide bar of two parallels, be equipped with the sliding sleeve on horizontal slide bar of one side and the vertical slide bar of one side, then mounting panel and front strut opposite side directly support on horizontal slide bar and vertical slide bar, like this when transmission and assembly, just can not cause the card to die because of transmission or assembly deviation.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Claims (5)
1. A scanning selection device of a rod-shaped column for thin-layer chromatography comprises a base (1) and is characterized in that two parallel transverse slide rods (6) are fixed on the base (1), a front support plate (12) and a rear support plate (2) are respectively arranged in front of and behind the upper portions of the transverse slide rods (6), two parallel longitudinal slide rods (3) and a fixing plate (5) are fixedly connected between the front support plate (12) and the rear support plate (2), a transverse sliding sleeve (4) is sleeved on the rear transverse slide rod (6), the transverse sliding sleeve (4) is fixed with the fixing plate (5), the front support plate (12) is supported on the top of the front transverse slide rod (6), a threaded sleeve is fixed on the fixing plate (5), a screw rod (7) is arranged in the threaded sleeve, one end of the screw rod (7) is fixedly connected with a transverse motor (8), a longitudinal motor (9) is fixed on the fixing plate (5), a mounting plate (13) is arranged above the, the vertical motor (9) is connected with the mounting plate (13) through a transmission structure, the bottom of the right side of the mounting plate (13) is fixedly provided with a vertical sliding sleeve (14) sleeved on the vertical sliding rod (3) of the right side, the bottom of the left side of the mounting plate (13) is supported at the top of the vertical sliding rod (3) of the left side, and the mounting plate (13) is provided with a column sample injection device (15) for chromatography.
2. The column scan selecting device for rod-shaped thin layer chromatography according to claim 1, wherein: the transmission structure comprises a gear (10) fixed on an output shaft of the longitudinal motor (9), and a rack (11) meshed with the gear (10) is fixed on the right side wall of the mounting plate (13).
3. The column scan selecting device for rod-shaped thin layer chromatography according to claim 2, wherein: the bottom of the front support plate (12) is in threaded connection with a first support stud (16), and the bottom of the first support stud (16) is in contact with the top of the front-side transverse sliding rod (6).
4. The column scan selecting device for rod-shaped thin layer chromatography according to claim 2, wherein: and the bottom of the left side of the mounting plate (13) is in threaded connection with a second support stud (17), and the bottom of the second support stud (17) is in contact with the top of the left longitudinal sliding rod (3).
5. The column scan selecting device for rod-shaped thin layer chromatography according to claim 2, wherein: the chromatographic column sample injection device (15) is a push-pull type track sample injection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020811639.9U CN212060107U (en) | 2020-05-15 | 2020-05-15 | Column scanning selection device for rod-shaped thin-layer chromatography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020811639.9U CN212060107U (en) | 2020-05-15 | 2020-05-15 | Column scanning selection device for rod-shaped thin-layer chromatography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212060107U true CN212060107U (en) | 2020-12-01 |
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ID=73519611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020811639.9U Active CN212060107U (en) | 2020-05-15 | 2020-05-15 | Column scanning selection device for rod-shaped thin-layer chromatography |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212060107U (en) |
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2020
- 2020-05-15 CN CN202020811639.9U patent/CN212060107U/en active Active
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