CN218717418U - Liquid chromatograph pump flow calibration utensil - Google Patents

Abstract

The utility model discloses a liquid chromatograph pump flow calibration utensil, include: storage water tank, rose box, workstation and calibrator, the rose box is installed at the top of storage water tank, is connected with the calibrator through the pipeline on the rose box, and the workstation has been placed at the top of calibrator, and the inner wall fixedly connected with plywood of rose box, the fixed plate has been placed on the surface of plywood, and the inside of fixed plate is inserted and is closed there is the filter screen, and the bottom fixedly connected with bolt of fixed plate, and the bolt is inserted and is closed in the inside of plywood. This liquid chromatograph pump flow calibration utensil through storage water tank, rose box, plywood, fixed plate, filter screen, bolt, fixed block, curb plate, sealing strip, draw mutually supporting between the handle for draw the handle through the pulling, can take the curb plate out, later the curb plate drives the filter screen and takes out, make people can unpick and wash the filter screen more smoothly, avoid the filter screen to block up.

Description

Liquid chromatograph pump flow calibration utensil

Technical Field

The utility model relates to a flow calibration utensil technical field specifically is a liquid chromatograph pump flow calibration utensil.

Background

The liquid chromatograph pump needs the flow calibrator to calibrate the flow of liquid chromatograph pump when using, but the efficiency of flow calibration is lower now, in current patent CN202023209463.9 liquid chromatograph pump flow calibrating device, it includes the under casing, fixed establishment, aligning gear and filter mechanism, the top of under casing is seted up flutedly, the inside of recess is rotated and is connected with the spliced pole, the inboard swivelling joint of spliced pole has the support column, and support column and recess fixed connection, the top of spliced pole is equipped with the workstation, and the workstation rotates with the support column to be connected, the workstation rotates with the under casing to be connected, the inside symmetry of workstation is equipped with the fixed establishment principle the same.

This prior art solution presents the following problems when in use: when filtering solution, after the filter screen filters for a long time, the filtration pore on the filter screen appears blockking up easily, leads to the filtration efficiency of filter screen to reduce, consequently needs a structure of dismantling the clearance fast to the filter screen, avoids the filter screen to block up.

Improvements are needed to address the above issues to meet market demands.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid chromatograph pump flow calibration utensil to propose when filtering solution in solving above-mentioned background art, the filter screen is in filterable state all the time, leads to the condition that the jam appears easily in the filtration pore of crossing on the filter screen, leads to the filtration efficiency of filter screen to reduce, consequently needs a structure of carrying out quick dismantlement clearance to the filter screen, avoids filter screen blocking's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid chromatograph pump flow calibration fixture, comprising: storage water tank, rose box, workstation and calibrator, the rose box is installed at the top of storage water tank, be connected with the calibrator through the pipeline on the rose box, the workstation has been placed at the top of calibrator, the inner wall fixedly connected with plywood of rose box, the fixed plate has been placed on the surface of plywood, the inside of fixed plate is inserted and is closed the filter screen, and the bottom fixedly connected with bolt of fixed plate, the bolt is inserted and is closed in the inside of plywood, and is three the surface at the fixed block is fixed simultaneously to the one end of fixed plate, the surface at the curb plate is fixed to one side of fixed block, the surface cover of curb plate has the sealing strip, the curb plate is kept away from one side of fixed block and is installed and draw the handle.

Preferably, the surface block of sealing strip is on the inner wall of rose box, and the inner wall size of rose box and the outer wall size phase-match of curb plate.

Preferably, the top of the outer wall of the side plate is connected with a clamping plate, the top of the clamping plate is connected with a spring, and the clamping plate and the filter box form elastic telescopic movement under the elastic action of the spring.

Preferably, the top of workstation sliding connection has the clamp splice, the inside rotatory sliding connection of clamp splice has the stopper.

Preferably, the inside center department fixedly connected with screw thread post of stopper, the one end fixedly connected with knob of screw thread post, and the one end threaded connection that the knob was kept away from to the screw thread post has the inserted block.

Preferably, the surface of the insert block is inserted into the surface of the clamping block, one end of the insert block, which is far away from the threaded column, is fixedly connected to the side wall of the chuck, and the chuck is located on the same side of the insert block and is clamped on the surface of the clamping block.

Compared with the prior art, the beneficial effects of the utility model are that: this liquid chromatograph pump flow calibration utensil, through the storage water tank, the rose box, the plywood, the fixed plate, the filter screen, the bolt, the fixed block, the curb plate, the sealing strip, draw mutually supporting between the handle, make and draw the handle through the pulling, can take the curb plate out, later curb plate drives the filter screen and takes out, make people can unpick and wash the filter screen more smooth, avoid filter screen blocking, and mutually support through cardboard and spring, make the cardboard carry on spacingly through the elastic effect of spring one side of curb plate, avoid the curb plate to appear removing, later through the workstation, the calibrator, the clamp splice, the stopper, the knob, the screw thread post, the inserted block, mutually support between the chuck, make and realize the change to the chuck through rotating the knob, make the chuck can change the shape that matches with the clamp object, thereby press from both sides tightly more stable with the object.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the worktable and the calibrator;

FIG. 3 is a schematic view of the cross-sectional three-dimensional structure of the filtering box of the present invention;

FIG. 4 is a side view, sectional and structural schematic diagram of the filter box of the present invention;

FIG. 5 is an enlarged view of the utility model A;

fig. 6 is a schematic view of the connection structure of the clamping block and the clamping head of the present invention.

In the figure: 1. a water storage tank; 2. a filter box; 3. laminating the board; 4. a fixing plate; 5. a filter screen; 6. a bolt; 7. a fixed block; 8. a side plate; 9. a sealing strip; 10. pulling a handle; 11. clamping a plate; 12. a spring; 13. a work table; 14. a calibrator; 15. a clamping block; 16. a limiting block; 17. a knob; 18. a threaded post; 19. inserting a block; 20. a chuck.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a liquid chromatograph pump flow calibration fixture, comprising: storage water tank 1, rose box 2, workstation 13 and calibrator 14, rose box 2 is installed at the top of storage water tank 1, be connected with calibrator 14 through the pipeline on rose box 2, workstation 13 has been placed at calibrator 14's top, inner wall fixedly connected with plywood 3 of rose box 2, fixed plate 4 has been placed on plywood 3's surface, the inside of fixed plate 4 is inserted and is closed there is filter screen 5, and fixed plate 4's bottom fixedly connected with bolt 6, bolt 6 is inserted and is closed in plywood 3's inside, the surface at fixed block 7 is fixed simultaneously to the one end of three fixed plate 4, the surface at curb plate 8 is fixed to one side of fixed block 7, the surface cover of curb plate 8 has sealing strip 9, curb plate 8 is kept away from one side of fixed block 7 and is installed and is drawn handle 10, the handle of pulling 10 is installed to one side that the fixed block 7 was kept away from to curb plate 8

Referring to fig. 1, 3 and 4, the surface of the sealing strip 9 is clamped on the inner wall of the filtering box 2, the size of the inner wall of the filtering box 2 is matched with the size of the outer wall of the side plate 8, and the sealing strip 9 seals the joint between the inner wall of the filtering box 2 and the outer wall of the side plate 8, so that when the side plate 8 is embedded on one side of the filtering box 2, no solution seeps out between the side plate 8 and the filtering box 2.

Please refer to fig. 1, 3, 4, the outer wall top of the side plate 8 is connected with a clamping plate 11, the top of the clamping plate 11 is connected with a spring 12, the clamping plate 11 forms elastic telescopic activity with the filter box 2 through the elastic effect of the spring 12, when the side plate 8 is embedded in the inner wall of the filter box 2, the clamping plate 11 is under the elastic effect of the spring 12, so that the clamping plate 11 limits the side plate 8, and the side plate 8 is prevented from dropping from one side of the filter box 2.

Please refer to fig. 1, 2, and 6, the top of the working table 13 is slidably connected with a clamping block 15, the inside of the clamping block 15 is rotatably and slidably connected with a limiting block 16, when the threaded column 18 moves, the threaded column 18 can drive the limiting block 16 to rotate inside the clamping block 15, and when the limiting block 16 slides inside the clamping block 15, which is the distance of the movement of the knob 17, the limiting block 16 can limit the knob 17.

Referring to fig. 1, 2 and 6, a threaded column 18 is fixedly connected to the center of the inside of the limiting block 16, a knob 17 is fixedly connected to one end of the threaded column 18, an insertion block 19 is threadedly connected to one end of the threaded column 18 away from the knob 17, the knob 17 drives the threaded column 18 to rotate by rotating the knob 17, and the insertion block 19 inserted on the surface of the clamping block 15 can be installed and positioned by threaded connection between the threaded column 18 and the insertion block 19.

Referring to fig. 1, 2 and 6, the surface of the insert block 19 is inserted into the surface of the clamping block 15, and one end of the insert block 19 away from the threaded post 18 is fixedly connected to the sidewall of the collet 20, the collet 20 is clamped on the surface of the clamping block 15 at the same side of the insert block 19, and the insert block 19 at one side of the collet 20 is inserted into the surface of the clamping block 15, so that the collet 20 is positioned and installed at one side of the clamping block 15.

To sum up: as shown in fig. 1-6, when the liquid chromatograph pump flow calibration device is used, firstly, an object placed on the workbench 13 can be clamped and positioned by the water storage tank 1, the filter tank 2, the workbench 13, the calibrator 14 and the clamp block 15, so that the calibrator 14 calibrates the flow of the liquid chromatograph pump, when the device is used, the filter screen 5 inside the filter tank 2 filters the solution, when the filter screen 5 is filtered, the clamp plate 11 is pulled, the clamp plate 11 presses the spring 12 to deform until the surface of the bolt 6 is separated from the side plate 8, then the pull handle 10 is pulled, the pull handle 10 pulls out the side plate 8, when the side plate 8 is pulled out, the side plate 8 drives the fixing plate 4 to pull out, then the filter screen 5 on the fixing plate 4 is taken down and cleaned, the filter screen 5 is effectively prevented from being blocked, then the knob 17 is rotated counterclockwise, so that the threaded column 18 is separated from the insert block 19, then the chuck 20 is pulled out from one side of the clamp block 15, thereby detaching and replacing the clamp block 15 matched with the object, and the clamp block 15 is inserted on one side of the clamp block 19, and the clamp block 15 is rotated clockwise, so that the clamp block 20 of the liquid chromatograph pump can pass through the calibration device, and the calibration device is further characterized in that the clamp block 20 is rotated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A liquid chromatograph pump flow calibration fixture, comprising: storage water tank (1), rose box (2), workstation (13) and calibrator (14), rose box (2) are installed at the top of storage water tank (1), be connected with calibrator (14) through the pipeline on rose box (2), workstation (13), its characterized in that have been placed at the top of calibrator (14): inner wall fixedly connected with plywood (3) of rose box (2), fixed plate (4) have been placed on the surface of plywood (3), filter screen (5) have been inserted to the inside of fixed plate (4), and bottom fixedly connected with bolt (6) of fixed plate (4), bolt (6) are inserted and are closed in the inside of plywood (3), and are three the surface at fixed block (7) is fixed simultaneously to the one end of fixed plate (4), the surface at curb plate (8) is fixed to one side of fixed block (7), the surface cover of curb plate (8) has sealing strip (9), curb plate (8) are kept away from one side of fixed block (7) and are installed and are drawn handle (10).

2. The apparatus of claim 1, wherein: the surface block of sealing strip (9) is on the inner wall of rose box (2), and the inner wall size of rose box (2) and the outer wall size phase-match of curb plate (8).

3. The apparatus of claim 1, wherein: the top of the outer wall of the side plate (8) is connected with a clamping plate (11), the top of the clamping plate (11) is connected with a spring (12), and the clamping plate (11) and the filter box (2) form elastic telescopic movement under the elastic action of the spring (12).

4. The apparatus of claim 3, wherein: the top sliding connection of workstation (13) has clamp splice (15), the inside rotatory sliding connection of clamp splice (15) has stopper (16).

5. The apparatus of claim 4, wherein: the inside center department fixedly connected with screw thread post (18) of stopper (16), the one end fixedly connected with knob (17) of screw thread post (18), and one end threaded connection that knob (17) were kept away from in screw thread post (18) has inserted block (19).

6. The apparatus of claim 5, wherein: the surface of the inserting block (19) is inserted into the surface of the clamping block (15), one end, far away from the threaded column (18), of the inserting block (19) is fixedly connected to the side wall of the chuck (20), and the chuck (20) is located on the same side of the inserting block (19) and clamped on the surface of the clamping block (15).

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