Clamping and fixing device applied to chromatographic column

Abstract

The clamping and fixing device comprises a clamping table and the chromatographic column, the clamping table is provided with a base, a vertical rod is arranged in the middle of the base, a clamping frame is arranged on the vertical rod, first clamping blocks are arranged on the two sides of the clamping frame, grooves are formed in the left side and the right side of the clamping frame, and first telescopic rods are arranged in the grooves. A second clamping block is arranged at the tail end of the first telescopic rod, a clamping seam is formed by the second clamping block and the first clamping block, the chromatographic column is embedded in the clamping seam, a stabilizing frame is arranged below the clamping frame, and a clamping groove is formed in the tail end of the stabilizing frame. The vertical rod is provided with the clamping frame capable of moving up and down, the clamping frame is provided with the first clamping block and the second clamping block, the second clamping block moves towards the inner side to form the clamping seam with the first clamping block, the chromatographic columns are clamped through the clamping seam, clamping is stable, two chromatographic columns can be clamped, and comparison is convenient; the stabilizing frame is arranged at the lower part of the clamping frame, so that the lower part of the chromatographic column can be clamped, double insurance is formed, and the device is stable in clamping and suitable for popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to chromatography column equipment technical field more particularly, it is a kind of clamping fixing device for chromatography column. BACKGROUND

[0002] Chromatography separation and purification is widely used in the separation and purification process of protein separation and purification, plant extract separation and purification, biological medicine purification in recent years, and chromatography separation and purification technology is especially mainly in laboratory separation preparation, in the process of laboratory chromatography separation and purification, packing in glass chromatography column is often replaced and reloaded, therefore, in the replacement and reloading process of packing, the clamping and fixing of chromatography column are very important links.The clamping device structure of existing chromatography column is too complex, and clamping operation is more cumbersome, furthermore, two groups or more chromatography columns are often needed to operate simultaneously in laboratory, especially students need to compare, and most of existing clamping devices only have one clamping device, cannot satisfy use demand.For this, the present application provides a kind of clamping fixing device for chromatography column to solve this problem, two clamping fixing clamps are respectively arranged on the two sides of clamping table, the clamping of two groups of chromatography columns can be realized simultaneously, and safety clamp is further provided to further keep the clamping of chromatography column stable, to avoid falling.

[0003] In order to realize the quick and stable clamping and fixing of chromatography column, and simple operation, practical and convenient, Chinese patent application, publication number: CN210206919U, discloses a kind of chromatography column fixing device, the utility model includes: counterweight base, support rod is vertically arranged on counterweight base, and two roots are respectively installed on support rod and vertically aligned crossbar;Wherein, the overhanging end of each crossbar is equipped with the clamping body for clamping chromatography column, and crossbar and support rod are fastened by hand screw connection.The chromatography column fixing device provided by the utility model is installed by two roots vertically aligned crossbar on support rod, and annular clamp is set as clamping body on the overhanging end of each crossbar, and the quick and stable clamping and fixing of chromatography column can be realized by locking hand screw on annular clamp.

[0004] The scheme still has some deficiencies in application, since two groups of chromatography columns are often needed for comparison and analysis in laboratory, therefore, clamping device can clamp two chromatography columns simultaneously, facilitate comparison, simultaneously, chromatography column is usually made of glass material, and adopting sleeve ring clamping mode can easily lead to breakage and damage due to clamping too tightly, therefore, the structure of chromatography column clamping device needs to be improved, so that it can better clamp and fix chromatography column, simultaneously, it can prevent chromatography column from breaking, and can clamp two groups of chromatography columns, facilitate experimental comparison and analysis, further improve the practicability of chromatography column clamping device. UTILITY MODEL CONTENT

[0005] The utility model discloses a clamping fixing device for chromatographic column, which mainly aims at overcoming the above-mentioned deficiencies and shortcomings of the prior art.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] The clamping fixing device for chromatographic column comprises a clamping table and a chromatographic column, the clamping table is provided with a base, a vertical rod is arranged at the middle of the rear side of the base, a clamping frame is arranged on the vertical rod, first clamping blocks are arranged at the ends of the left and right sides of the clamping frame, first rubber rings are arranged at the ends of the first clamping blocks, grooves are arranged at the left and right sides of the clamping frame, first extension rods are arranged in the grooves, second clamping blocks are arranged at the ends of the first extension rods, the second clamping blocks are slid inward to form a clamping slot in the shape of inverted "I" with the first clamping blocks, the chromatographic column is adaptively embedded in the clamping slot, a stabilizing frame is arranged below the clamping frame, clamping grooves are arranged at the ends of the stabilizing frame, and the clamping grooves are adaptively clamped to the lower parts of the chromatographic column.

[0008] Furthermore, the base is a gravity block.

[0009] Furthermore, a first screwing knob is arranged at the middle of the clamping frame, and the clamping frame can be fixed on the vertical rod through the first screwing knob.

[0010] Furthermore, springs are arranged at the inner bottoms of the grooves, one end of each spring is connected to the bottom of the groove, and the other end of each spring is connected to the bottom of the first extension rod.

[0011] Furthermore, second screwing knobs are arranged at the ends of the outer sides of the grooves, and the first extension rods can be fixed along the grooves through the second screwing knobs.

[0012] Furthermore, second rubber rings are arranged at the ends of the second clamping blocks.

[0013] Furthermore, rubber sleeves are arranged at the middle of the stabilizing frame, the rubber sleeves are sleeved on the vertical rod and can move up and down along the vertical rod, second extension rods are arranged at the left and right sides of the rubber sleeves, the clamping grooves are arranged at the ends of the second extension rods, and the clamping grooves are in the shape of semicylinders and are provided with protruding blocks.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model discloses first through the vertical rod setting of clamping table rear side can go up and down the clamping frame, the first clamping block both sides of clamping frame end is inverted big " eight " character structure, second clamping block is inverted small " eight " character structure, and second clamping block moves to the inside and forms the clamping slit with first clamping block, and the structure design is ingenious, and the clamping is stable, and the two chromatography columns can be clamped conveniently, and the contrast analysis is convenient, then, the lower part of clamping frame is equipped with the stable frame, and the clamping groove of stable frame both sides end can be clamped to the lower part of chromatography column, and forms double insurance with clamping frame, further improves the stability of chromatography column, avoids the condition of occurrence to separate, finally, clamping frame can be fixed on the vertical rod through second screw knob, and the height adjustment is convenient according to the size of chromatography column, and the base of clamping table is equipped with gravity block, can provide gravity to avoid dumping, and also convenient to place the receiving bottle, one goes two, the utility model discloses ingenious design, can realize two groups chromatography column clamping, and clamping is stable, and convenient operation, and loading and unloading are convenient, and are suitable for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view structure diagram of the utility model Figure One .

[0017] Figure 2 It is the front view structure diagram of the utility model Figure Two .

[0018] Figure 3 It is the front view structure diagram of the utility model first clamping block and second clamping frame.

[0019] Figure 4 It is the plan structure diagram of the utility model clamping groove. DETAILED DESCRIPTION

[0020] The specific implementation of the utility model will be further explained below with reference to the drawings.

[0021] As Figures 1 to 4 shown, a kind of clamping and fixing device for chromatography column, including clamping table 1 and chromatography column 2, the clamping table 1 is equipped with base 3, and the base 3 rear side middle is equipped with vertical rod 4, and the vertical rod 4 is equipped with clamping frame 5, and the clamping frame 5 left and right sides end is equipped with first clamping block 6, and the first clamping block 6 end is equipped with first rubber ring 7, and the clamping frame 5 left and right sides recess, and the recess is embedded with first telescopic rod 8, and the first telescopic rod 8 end is equipped with second clamping block 9, and the second clamping block 9 slides inwards and forms inverted " one " character type clamping slit 10 with the first clamping block 6, and the chromatography column 2 is embedded in the clamping slit 10, and the clamping frame 5 below is equipped with stable frame 11, and the stable frame 11 end is equipped with clamping groove 12, and the clamping groove 12 is adapted to clamp the lower part of chromatography column 2.

[0022] Further, the base 3 is a gravity block.

[0023] Further, the clamping frame 5 is provided with a first screwing knob 13 in the middle, and the clamping frame 5 is fixed on the vertical rod 4 through the first screwing knob 13.

[0024] Further, the recess is provided with a spring 14 at the inner bottom, one end of the spring 14 is connected with the bottom of the recess, and the other end is connected with the bottom of the first telescopic rod 8.

[0025] Further, the recess is provided with a second screwing knob 15 at the outer end, and the first telescopic rod 8 is fixed along the recess through the second screwing knob 15.

[0026] Further, the second clamping block 9 is provided with a second rubber ring 16 at the end.

[0027] Further, the stabilizing frame 11 is provided with a rubber sleeve 17 in the middle, the rubber sleeve 17 is sleeved on the vertical rod 4 and can move up and down along the vertical rod 4, the rubber sleeve 17 is provided with a second telescopic rod 18 on the left and right sides, the clamping groove 12 is arranged at the end of the second telescopic rod 18, and the clamping groove 12 is in a semi-cylindrical structure and is provided with a protruding block 19 on the semi-cylindrical structure.

[0028] [EMBODIMENT]

[0029] Firstly, according to the height of the chromatographic column 2, the clamping frame 5 is moved up and down along the vertical rod 4 and is positioned, then the clamping frame 5 is fixed on the vertical rod 4 through the first screwing knob 13, then the two chromatographic columns 2 are clamped and fixed on the left and right sides of the clamping table 1, the chromatographic column 2 is first placed outside the first clamping block 6 and abuts against the first rubber ring 7 of the first clamping block 6, then the first telescopic rod 8 is moved outward, the chromatographic column 2 is placed in the clamping gap 10 between the first clamping block 6 and the second clamping block 9, the second clamping block 9 is moved inward, the first rubber ring 7 and the second rubber ring 16 are respectively clamped on the left and right sides of the chromatographic column 2, the second clamping block is fixed through the second screwing knob 15, then the second telescopic rod 18 is stretched outward, the clamping groove 12 at the end of the second telescopic rod 18 clamps the lower part of the chromatographic column 2, forming double insurance, finally, after the experiment is completed, the clamping groove 12 is separated from the lower part of the chromatographic column 2, the second screwing knob 15 is unscrewed, the second clamping block 9 is moved outward, and then the chromatographic column 2 can be taken down, and the operation is very simple.

[0030] As known from the above description of the utility model, compared with the prior art, the utility model has the advantages that:

[0031] The utility model discloses first through the vertical pole setting of clamping station rear side can go up and down the clamping frame, the first clamping block end of both sides of clamping frame is inverted big " eight " character type structure, and the second clamping block is inverted small " eight " character type structure, and the second clamping block moves to the inside and forms the clamping slit with the first clamping block, and the chromatography column is clamped through the clamping slit, and the structure design is ingenious, and the clamping is stable, and it is convenient to observe and can clamp two chromatography columns, and it is convenient to carry out comparative analysis, then, the lower part of clamping frame is equipped with the steady frame, and the clamping groove of the end of steady frame left and right sides can clamp the lower part of chromatography column, and forms double insurance with clamping frame, and further improves the steady degree of chromatography column, avoids the condition of occurrence to separate, finally, clamping frame can be fixed on the vertical pole through the second screw knob, and it is convenient to carry out height adjustment according to the size of chromatography column, and the base of clamping station is equipped with gravity block, can provide gravity and avoid dumping, and it is convenient to place the receiving bottle, and it is two birds with one stone, the utility model discloses ingenious design, can realize two groups of chromatography column clamping, and clamping is stable, and it is convenient to operate, and convenient to assemble and disassemble, is suitable for promotion.

[0032] The above is merely a specific embodiment of the utility model, but the design concept of the utility model is not limited to this, and any non-essential improvement of the utility model using this concept should belong to the act of infringing the protection scope of the utility model.

Claims

1. A clamping and fixing device for use in chromatography columns, characterized in that: Including clamping table and chromatography column, the clamping table is equipped with base, the middle of rear side of base is equipped with vertical rod, the vertical rod is equipped with clamping frame, the both sides of clamping frame are equipped with first clamping block, the end of first clamping block is equipped with first rubber ring, the both sides of clamping frame are equipped with first telescopic rod, the end of first telescopic rod is equipped with second clamping block, the second clamping block is inwards sliding and forms the clamping slit of inverted " one ” type with first clamping block, the chromatography column is embedded in the clamping slit, the clamping frame is equipped with stable frame, the end of stable frame is equipped with clamping groove, the chromatography column is embedded in the clamping groove.

2. The clamping and fixing device applied to a chromatographic column according to claim 1, characterized in that: The base is a gravity block.

3. The clamping fixture for chromatography columns according to claim 1, characterized in that: The middle of clamping frame is equipped with first screw knob, the clamping frame is fixed on the vertical rod through the first screw knob.

4. The clamping fixture for chromatography columns according to claim 1, characterized in that: The inside bottom of recess is equipped with spring, one end of spring is connected with the bottom of recess, the other end is connected with the bottom of first telescopic rod.

5. The clamping fixture for chromatography columns according to claim 1, characterized in that: The end of recess is equipped with second screw knob, the first telescopic rod is fixed along the recess through the second screw knob.

6. The clamping fixture for chromatography columns according to claim 1, characterized in that: The end of second clamping block is equipped with second rubber ring.

7. The clamping fixture for chromatography columns according to claim 1, characterized in that: The middle of stable frame is equipped with rubber sleeve, the rubber sleeve is nested in the vertical rod and can move up and down along the vertical rod, the both sides of rubber sleeve are equipped with second telescopic rod, the clamping groove is arranged at the end of second telescopic rod, the clamping groove is semicylindrical structure, the semicylindrical structure is equipped with convex block.

Images