CN210514210U

CN210514210U - Paper chromatogram fixing device

Info

Publication number: CN210514210U
Application number: CN201921449497.XU
Authority: CN
Inventors: 黄寅; 韩元喜
Original assignee: Wuxi Higher Health Vocational Technology School (wuxi Medicine Technician School Jiangsu Combined Occupation Technology Institute Wuxi Health Branch)
Current assignee: Wuxi Higher Health Vocational Technology School (wuxi Medicine Technician School Jiangsu Combined Occupation Technology Institute Wuxi Health Branch)
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-12
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a paper chromatogram fixing device, the on-line screen storage device comprises a base, the adjusting part is installed on the top of the base, the fixing part is installed outside the adjusting part, the adjusting part comprises a telescopic plate, a screw rod, a knob, a first thread, a first guide sleeve, a first guide rod, a second guide sleeve, a second guide rod, a second thread, a third thread and a pulley, the telescopic plate is fixed on the top of the base, the screw rod is embedded on both sides of the top end of the telescopic plate, the knob is fixed on the top end of the screw rod, the first thread is arranged on the outside of the screw rod, the first guide sleeve is sleeved on the outside of the screw rod at the position of the first thread, the first guide rod is sleeved on the outside of the screw rod, the second guide sleeve is sleeved on the outside of the first guide rod, and the second; the utility model discloses simple structure, convenient to use, the device can adjust at will according to the paper size, and the regulative mode is simple and convenient, fixes the paper when the chromatogram of being convenient for is identified.

Description

Paper chromatogram fixing device

Technical Field

The utility model relates to a paper field of fixing specifically is a paper chromatogram fixing device.

Background

The paper chromatography is a chromatography method using filter paper as a support, and is mainly used for separating and testing multifunctional or high-polarity hydrophilic compounds such as alcohols, hydroxy acids, amino acids, saccharides, flavonoids and the like.

SUMMERY OF THE UTILITY MODEL

Not enough more than, the utility model aims at providing a paper chromatogram fixing device, the utility model discloses simple structure, convenient to use, the device can adjust at will according to the paper size, and the regulative mode is simple and convenient, fixes the paper when the chromatogram identification of being convenient for.

The utility model aims at realizing through the technical proposal, the paper chromatography fixing device comprises a base, wherein an adjusting component is arranged at the top end of the base, and a fixing component is arranged outside the adjusting component;

the adjusting assembly comprises a telescopic plate, a screw rod, a knob, first threads, a first guide sleeve, a first guide rod, a second guide sleeve, a second guide rod, second threads, third threads and a pulley, the telescopic plate is fixed at the top end of the base, the screw rods are embedded in two sides of the top end of the telescopic plate, the knob is fixed at the top end of the screw rod, the first threads are formed in the outer side of the screw rod, the first guide sleeve is sleeved at the position of the first threads on the outer side of the screw rod, the first guide rod is sleeved at the position above the first threads on the outer side of the screw rod, the second guide sleeve is sleeved at the outer side of the first guide rod, the second guide rod is embedded in one end, away from the first guide rod, of the second guide sleeve, the second threads and the third threads which are matched with each other are formed;

fixed subassembly has cup jointed fixed cover including fixed cover, horizon bar, fastening bolt and clip in the first guide pin bushing outside, and the horizon bar is installed on fixed cover outside upper portion, and fastening bolt has been inlayed to fixed cover outside one side, and the fixed cover outside is located the oblique below position department of horizon bar and is fixed with the clip.

As a further technical scheme of the utility model, the screw rod bottom mounting has first stopper, and the expansion plate is inside to correspond first stopper position department and has seted up first spacing groove.

As a further technical scheme of the utility model, the screw hole that uses with first screw-thread fit is seted up to first guide pin bushing inside.

As a further technical scheme of the utility model, fixed cover outside is fixed with the solid fixed ring who uses with the horizon bar cooperation, and solid fixed ring cup joints in the horizon bar outside.

As a further technical scheme of the utility model, first guide arm and second guide arm correspond screw rod position department and all are fixed with the second stopper, and the screw rod corresponds second stopper position department and has seted up the second spacing groove.

As a further technical scheme of the utility model, the second guide pin bushing corresponds first guide arm one end and is fixed with the third stopper, and first guide arm corresponds third stopper position department and has seted up the third spacing groove.

Due to the adoption of the technical scheme, the utility model discloses following advantage has: firstly, the height and the width between the clamps are adjusted according to the size of paper, when the height is adjusted, the fastening bolt is unscrewed, the fixing sleeve can move up and down at will, the horizontal rod is installed to enable the clamps on the same horizontal plane to be kept horizontal, after the height between the clamps is determined, the fastening bolt is screwed, then the width between the clamps is adjusted, the second guide sleeve is screwed, the second guide sleeve is connected with the second guide rod in a screwing mode, when the second guide sleeve is rotated, the second guide rod can move horizontally in the second guide sleeve, meanwhile, the expansion plate moves along with the second guide rod, the pulley is installed to facilitate the movement of the expansion plate, the fixing ring can also move horizontally, after the height and the width between the clamps are determined, the paper is fixed between the clamps, the reagent is placed above the expansion plate, the two knobs are rotated simultaneously, the knobs drive the screw rods to rotate, and due to the screwing connection between the, when the screw rotates, the first guide sleeve moves downwards, so that the paper is driven to move downwards and is immersed in the reagent for testing; the utility model discloses simple structure, convenient to use, the device can adjust at will according to the paper size, and the regulative mode is simple and convenient, fixes the paper when the chromatogram of being convenient for is identified.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The drawings of the present invention are described below.

Fig. 1 is a schematic diagram of the overall structure of a paper chromatography fixing device.

Fig. 2 is a schematic view of a second guide sleeve mounting structure of a paper chromatography fixing device.

Fig. 3 is a schematic view of a first limiting block mounting structure of a paper chromatography fixing device.

Reference numbers in the figures: 1. a base; 2. an adjustment assembly; 21. a retractable plate; 22. a screw; 23. a knob; 24. a first thread; 25. a first guide sleeve; 26. a first guide bar; 27. a second guide sleeve; 28. a second guide bar; 29. a second thread; 210. a third thread; 211. a pulley; 3. a fixing assembly; 31. fixing a sleeve; 32. a horizontal bar; 33. fastening a bolt; 34. a clip; 4. a first stopper; 5. a first limit groove.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 to 3, the utility model discloses a paper chromatography fixing device, which comprises a base 1, wherein an adjusting component 2 is arranged at the top end of the base 1, and a fixing component 3 is arranged outside the adjusting component 2;

the adjusting component 2 comprises a telescopic plate 21, a screw 22, a knob 23, a first thread 24, a first guide sleeve 25, a first guide rod 26, a second guide sleeve 27, a second guide rod 28, a second thread 29, a third thread 210 and a pulley 211, the telescopic plate 21 is fixed at the top end of the base 1, the screw 22 is embedded at both sides of the top end of the telescopic plate 21, the knob 23 is fixed at the top end of the screw 22, the first thread 24 is arranged at the outer side of the screw 22, the first guide sleeve 25 is sleeved at the position of the first thread 24 at the outer side of the screw 22, the first guide sleeve 25 drives paper to move downwards so that the paper can be immersed in a reagent, the first guide rod 26 is sleeved at the position above the first thread 24 at the outer side of the screw 22, the second guide sleeve 27 is sleeved at the outer side of the first guide rod 26, the second guide rod 28 is embedded inside at one end of the second guide sleeve 27 far away from the first guide rod 26, and the width of the device is, a second thread 29 and a third thread 210 which are matched with each other are arranged on the inner side of the second guide sleeve 27 and the outer side of the second guide rod 28, and a pulley 211 is arranged at one side of the bottom end of the expansion plate 21, which is far away from the base 1, so that the expansion plate 21 can be conveniently expanded;

fixed subassembly 3 has cup jointed fixed cover 31 including fixed cover 31, horizon bar 32, fastening bolt 33 and clip 34 in the first guide pin bushing 25 outside, and the horizon bar 32 is installed on fixed cover 31 outside upper portion, guarantees that two relative clips 34 are located same horizontal plane, and fastening bolt 33 has been inlayed to fixed cover 31 outside one side, and the change of fixed cover 31 position of being convenient for, the fixed cover 31 outside is located the oblique below position department of horizon bar 32 and is fixed with clip 34, through the fixed paper of clip 34.

The bottom end of the screw rod 22 is fixed with a first limit block 4, and a first limit groove 5 is formed in the position, corresponding to the first limit block 4, of the expansion plate 21, so that the screw rod 22 can be conveniently used.

The first guide sleeve 25 is internally provided with a threaded hole matched with the first thread 24 for use, so that the first guide sleeve 25 can be conveniently used.

The fixed ring that uses with the horizon bar 32 cooperation is fixed with in the fixed cover 31 outside, and the fixed ring cup joints in the horizon bar 32 outside, and the width regulation of the device can not be influenced in the installation of horizon bar 32.

The positions of the first guide rod 26 and the second guide rod 28 corresponding to the screw 22 are both fixed with second limiting blocks, and the positions of the screw 22 corresponding to the second limiting blocks are provided with second limiting grooves, so that the rotation of the screw 22 cannot be influenced by the installation of the first guide rod 26 and the second guide rod 28.

A third limiting block is fixed at one end of the second guide sleeve 27 corresponding to the first guide rod 26, and a third limiting groove is formed at a position of the first guide rod 26 corresponding to the third limiting block, so that the second guide sleeve 27 can rotate outside the first guide rod 26, and meanwhile, the connection relationship between the second guide sleeve 27 and the first guide rod 26 cannot be influenced.

The use method and the working principle thereof are as follows: firstly, the height and the width between the clips 34 are adjusted according to the size of paper, when the height is adjusted, the fastening bolt 33 is unscrewed, the fixing sleeve 31 can freely move up and down, the horizontal rod 32 is installed to enable the clips 34 on the same horizontal plane to be kept horizontal, after the height between the clips 34 is determined, the fastening bolt 33 is screwed, then the width between the clips 34 is adjusted, the second guide sleeve 27 is screwed, the second guide sleeve 27 and the second guide rod 28 are connected in a screwing mode, when the second guide sleeve 27 is rotated, the second guide rod 28 can horizontally move in the second guide sleeve 27, meanwhile, the expansion plate 21 moves along with the expansion plate, the pulley 211 is installed to facilitate the movement of the expansion plate 21, the fixing ring can horizontally move along with the fixing ring, after the height and the width between the clips 34 are determined, the paper is fixed between the clips 34, a reagent is placed above the expansion plate 21, and the two knobs 23 are simultaneously rotated, the knob 23 drives the screw 22 to rotate, and because the first guide sleeve 25 is connected with the screw 22 in a screwing manner, when the screw 22 rotates, the first guide sleeve 25 moves downwards, so that paper is driven to move downwards and is immersed in a reagent for testing;

the utility model discloses simple structure, convenient to use, the device can adjust at will according to the paper size, and the regulative mode is simple and convenient, fixes the paper when the chromatogram of being convenient for is identified.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A paper chromatogram fixing device which characterized in that: the device comprises a base, wherein an adjusting component is arranged at the top end of the base, and a fixing component is arranged outside the adjusting component;

2. A paper chromatography fixing device according to claim 1, characterized in that: the bottom end of the screw rod is fixedly provided with a first limiting block, and a first limiting groove is formed in the position, corresponding to the first limiting block, of the telescopic plate.

3. A paper chromatography fixing device according to claim 1, characterized in that: and a threaded hole matched with the first thread for use is formed in the first guide sleeve.

4. A paper chromatography fixing device according to claim 1, characterized in that: the fixed ring is fixed on the outer side of the fixed sleeve and matched with the horizontal rod, and the fixed ring is sleeved on the outer side of the horizontal rod.

5. A paper chromatography fixing device according to claim 1, characterized in that: and the positions of the first guide rod and the second guide rod corresponding to the screw rods are respectively fixed with a second limiting block, and the positions of the screw rods corresponding to the second limiting blocks are provided with second limiting grooves.

6. A paper chromatography fixing device according to claim 1, characterized in that: and a third limiting block is fixed at one end of the second guide sleeve corresponding to the first guide rod, and a third limiting groove is formed at the position of the first guide rod corresponding to the third limiting block.