CN213957249U

CN213957249U - Liquid feeding device for liquid chromatograph

Info

Publication number: CN213957249U
Application number: CN202022662157.4U
Authority: CN
Inventors: 仝婷; 王鹏; 徐琴; 王传琪
Original assignee: Jiangjie Biotechnology Suzhou Co ltd
Current assignee: Jiangjie Biotechnology Suzhou Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-08-13
Anticipated expiration: 2030-11-17

Abstract

The utility model belongs to the technical field of the chromatograph, especially, be a liquid chromatograph is with sending liquid device, comprises a workbench, the top fixedly connected with diaphragm of workstation, one side of diaphragm is rotated and is connected with the screw rod, diaphragm and fixedly connected with knob are run through to the one end of screw rod, one side fixedly connected with round bar of diaphragm, the surface threaded connection of screw rod has the U-shaped board, U-shaped board and round bar sliding connection, U-shaped board and workstation sliding connection, sliding connection has the slide between the both sides inner wall of U-shaped board, one side fixedly connected with slide bar of slide. The utility model discloses a slide, baffle, slot, dwang, inserted block, slider and movable plate between cooperate, solved liquid chromatograph in the past when sending liquid, can not adjust the problem of the height of transfer line according to different liquid chromatograph's height to this novel liquid chromatograph's practicality has been improved greatly, practices thrift the cost.

Description

Liquid feeding device for liquid chromatograph

Technical Field

The utility model relates to a chromatograph technical field specifically is a liquid chromatograph is with sending liquid device.

Background

A chromatograph is an apparatus for performing chromatographic separation analysis. Comprises a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system and the like. Modern chromatographs have the characteristics of high stability, sensitivity, versatility, high degree of automation and the like. There are gas chromatography, liquid chromatography, gel chromatography, and the like. These chromatographs are widely used for chemical products, analysis of a certain content of a high molecular material, gel chromatography can also determine the molecular weight and distribution of the high molecular material, and a liquid chromatograph may need to be supplemented with a solvent when operating.

The liquid sending device for the liquid chromatograph on the market at present has the following problems:

1. when the liquid feeding device feeds liquid, the height of the liquid conveying pipe cannot be adjusted according to the heights of different liquid chromatographs;

2. when the liquid conveying device works with the infusion tube, the angle of the infusion tube cannot be effectively adjusted.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a liquid chromatograph is with sending liquid device has solved current liquid chromatograph and has used sending liquid device height that the transfer line can not be adjusted according to the height of different liquid chromatograph at the during operation, problem that can not the angle of effectual adjustment transfer line.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a liquid conveying device for a liquid chromatograph comprises a workbench, wherein a transverse plate is fixedly connected to the top of the workbench, a screw rod is rotatably connected to one side of the transverse plate, one end of the screw rod penetrates through the transverse plate and is fixedly connected with a knob, a round rod is fixedly connected to one side of the transverse plate, a U-shaped plate is in threaded connection with the outer surface of the screw rod and is in sliding connection with the round rod, the U-shaped plate is in sliding connection with the workbench, a sliding plate is in sliding connection between the inner walls of the two sides of the U-shaped plate, a sliding rod is fixedly connected to one side of the sliding plate, a baffle is fixedly connected to one end of each of the two sliding rods, a first moving plate is in sliding connection with the outer surfaces of the two sliding rods, a first spring sleeved on the outer surface of each sliding rod is arranged between each sliding plate and the first moving plate, moving grooves are formed in the two sides of each sliding plate, and a first insert block is in sliding connection with the inner walls of each moving groove, fixedly connected with dwang between a movable plate and the inserted block, the both sides fixedly connected with slider of slide, a slot has been seted up between the both sides inner wall of U-shaped plate, an inserted block is pegged graft mutually with a slot, the top fixedly connected with L shaped plate of slide.

As a preferred technical proposal of the utility model, the top of the L-shaped plate is fixedly connected with a vertical plate, a rotating shaft is rotatably connected between the two vertical plates, the rotating rod is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a square, one side of the square is communicated and fixed with a spray pipe, one end of the rotating shaft runs through the vertical plate and is fixedly connected with a gear, one side of the vertical plate is slidably connected with a toothed plate, the toothed plate is meshed with the gear, the surface of the toothed plate is fixedly connected with a rectangular block, the back of the rectangular block is fixedly connected with a telescopic loop bar, one end of the telescopic loop bar is fixedly connected with a second movable plate, a second spring sleeved on the outer surface of the telescopic loop bar is arranged between the second movable plate and the rectangular block, the surface of the second movable plate is fixedly connected with a second inserted block, the surface of the vertical plate is provided with a second inserting groove, the second plug block is inserted into the second slot.

As a preferred technical scheme of the utility model, the top fixedly connected with solution tank of workstation, the positive fixedly connected with observation window of solution tank, the top fixedly connected with water pump of workstation, the intercommunication is fixed with the hose between water pump and the solution tank, the water pump is fixed with the hose No. two with the intercommunication, No. two hoses are linked together with the spray tube.

As an optimal technical scheme of the utility model, a spout has been seted up to the both sides of U-shaped board, the inner wall sliding connection of slider and a spout.

As a preferred technical scheme of the utility model, No. two spouts have been seted up on the surface of pinion rack, the fixed surface of riser is connected with the draw runner, the inner wall sliding connection of draw runner and No. two spouts.

As an optimized technical scheme of the utility model, the equal fixedly connected with support column in bottom four corners of workstation.

(III) advantageous effects

Compared with the prior art, the utility model provides a liquid chromatograph is with sending liquid device possesses following beneficial effect:

1. this liquid chromatograph is with sending liquid device cooperatees through between slide, baffle, slot, dwang, inserted block, slider and the movable plate, has solved liquid chromatograph in the past when sending liquid, can not adjust the problem of the height of transfer line according to different liquid chromatograph's height to this novel liquid chromatograph's practicality has been improved greatly, practices thrift the cost.

2. This liquid chromatograph is with sending liquid device through No. two inserted blocks of gear, pinion rack, the flexible loop bar of rectangular block and No. two slots, can adjust the inclination of spray tube, can effectually make in solution flows into liquid chromatograph to work efficiency has been improved, save time.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the U-shaped plate of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a schematic structural view of the L-shaped plate of the present invention;

FIG. 5 is an enlarged view of the portion B in FIG. 4;

fig. 6 is a schematic view of the toothed plate structure of the present invention;

fig. 7 is a schematic view of the riser structure of the present invention.

In the figure: 1. a work table; 2. a water pump; 3. a round bar; 4. a knob; 5. a screw; 6. a U-shaped plate; 7. a second hose; 8. a first hose; 9. a solution tank; 10. an observation window; 11. a support pillar; 12. a transverse plate; 13. a first chute; 14. a slide plate; 15. an L-shaped plate; 16. a first spring; 17. a slider; 18. inserting a block I; 19. rotating the rod; 20. moving a first board; 21. a slide bar; 22. a first slot; 23. a baffle plate; 24. a rotating shaft; 25. connecting blocks; 26. a square block; 27. a nozzle; 28. a vertical plate; 29. a rectangular block; 30. a telescopic loop bar; 31. a second spring; 32. moving the board II; 33. inserting a block II; 34. a second slot; 35. a toothed plate; 36. a gear; 37. a slide bar; 38. and a second sliding chute.

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.

Examples

Referring to fig. 1-7, the present invention provides the following technical solutions: a liquid conveying device for a liquid chromatograph comprises a workbench 1, a transverse plate 12 is fixedly connected to the top of the workbench 1, a screw rod 5 is rotatably connected to one side of the transverse plate 12, one end of the screw rod 5 penetrates through the transverse plate 12 and is fixedly connected with a knob 4, a round rod 3 is fixedly connected to one side of the transverse plate 12, a U-shaped plate 6 is in threaded connection with the outer surface of the screw rod 5, the U-shaped plate 6 is in sliding connection with the round rod 3, the U-shaped plate 6 is in sliding connection with the workbench 1, a sliding plate 14 is in sliding connection between the inner walls of the two sides of the U-shaped plate 6, a sliding rod 21 is fixedly connected to one side of the sliding plate 14, a baffle plate 23 is fixedly connected to one end of each of the two sliding rods 21, a first moving plate 20 is in sliding connection with the outer surface of each of the two sliding rods 21, a first spring 16 sleeved, a rotating rod 19 is fixedly connected between a first moving plate 20 and a first inserting block 18, sliding blocks 17 are fixedly connected to two sides of the sliding plate 14, a first inserting groove 22 is formed between inner walls of two sides of the U-shaped plate 6, the first inserting block 18 is inserted into the first inserting groove 22, and an L-shaped plate 15 is fixedly connected to the top of the sliding plate 14.

In this embodiment, the first slot 22 and the first insertion block 18 are arranged to effectively adjust the height of the sliding plate 14.

Specifically, top fixedly connected with riser 28 of L shaped plate 15, it is connected with pivot 24 to rotate between two risers 28, dwang 19 fixedly connected with connecting block 25, one side fixedly connected with square 26 of connecting block 25, one side intercommunication of square 26 and be fixed with spray tube 27, riser 28 and fixedly connected with gear 36 are run through to the one end of pivot 24, one side sliding connection of riser 28 has pinion rack 35, pinion rack 35 meshes with gear 36 mutually, the fixed surface of pinion rack 35 is connected with rectangular block 29, the flexible loop bar 30 of the back fixedly connected with of rectangular block 29, No. two movable plates 32 of one end fixedly connected with of flexible loop bar 30, be provided with the No. two springs 31 of cover on flexible loop bar 30 surface between No. two movable plates 32 and the rectangular block 29, No. two inserted blocks 33 of fixed surface of No. two movable plates 32, No. two slots 34 have been seted up on the surface of riser 28, No. two inserted blocks 33 are pegged graft mutually with No. two slots 34.

In this embodiment, the height of the toothed plate 35 can be effectively adjusted by the arrangement of the second insertion block 33 and the second insertion groove 34, so that the rotating shaft 24 is driven to rotate, and the inclination angle of the spray pipe 27 is adjusted.

Specifically, the top fixedly connected with solution tank 9 of workstation 1, the front fixedly connected with observation window 10 of solution tank 9, the top fixedly connected with water pump 2 of workstation 1, the intercommunication is fixed with No. one hose 8 between water pump 2 and the solution tank 9, water pump 2 with the intercommunication and be fixed with No. two hoses 7, No. two hoses 7 are linked together with spray tube 27.

In this embodiment, the water pump 2 can pump out the solution in the solution tank 9.

Specifically, the two sides of the U-shaped plate 6 are provided with a first sliding groove 13, and the sliding block 17 is connected with the inner wall of the first sliding groove 13 in a sliding manner.

In this embodiment, the sliding block 17 is slidably connected to the inner wall of the first sliding groove 13, so that the sliding plate 14 can move.

Specifically, the surface of the toothed plate 35 is provided with a second sliding groove 38, the surface of the vertical plate 28 is fixedly connected with a sliding strip 37, and the sliding strip 37 is slidably connected with the inner wall of the second sliding groove 38.

In this embodiment, the arrangement of the sliding strip 37 and the inner wall of the second sliding groove 38 in sliding connection enables the toothed plate 35 to move.

Specifically, the four corners of the bottom of the workbench 1 are fixedly connected with support columns 11.

In this embodiment, the supporting column 11 can stabilize the working table 1.

The utility model discloses a theory of operation and use flow: when the height of the sliding plate 14 needs to be adjusted, the baffle 23 is held at the moment, then the first moving plate 20 is pulled to slide on the sliding rod 21, the first moving plate 20 stretches the first spring 16 when moving, the first moving plate 20 rotates the rotating rod 19 and generates extrusion force when moving, the rotating rod 19 drives the first insert 18 to move under the action of the extrusion force, the first insert 18 is separated from the first slot 22, then the first moving plate 20 moves upwards to drive the sliding plate 14 to move up and down, the first insert 18 is inserted into the corresponding first slot 22, therefore, the practicability of the novel liquid chromatograph is greatly improved, the cost is saved, when the inclination angle of the spray pipe 27 needs to be adjusted, the rectangular block 29 is held at the moment, then the second moving plate 32 is pulled, the second moving plate 32 drives the telescopic sleeve rod 30 and the second spring 31 to move and simultaneously drives the second insert 33 to move, make No. two inserted blocks 33 and No. two slot 34 phase separations, then reciprocate rectangular block 29, rectangular block 29 drives pinion rack 35 and slides on riser 28, and pinion rack 35 drives gear 36 and rotates, and gear 36 drives pivot 24 and rotates to change the inclination of spray tube 27, can effectually make solution flow in the liquid chromatograph, thereby improved work efficiency, save time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a liquid chromatograph is with sending liquid device, includes workstation (1), its characterized in that: top fixedly connected with diaphragm (12) of workstation (1), one side of diaphragm (12) is rotated and is connected with screw rod (5), diaphragm (12) and fixedly connected with knob (4) are run through to the one end of screw rod (5), one side fixedly connected with round bar (3) of diaphragm (12), the surface threaded connection of screw rod (5) has U-shaped plate (6), U-shaped plate (6) and round bar (3) sliding connection, U-shaped plate (6) and workstation (1) sliding connection, sliding connection has slide (14) between the both sides inner wall of U-shaped plate (6), one side fixedly connected with slide bar (21) of slide (14), two one end fixedly connected with baffle (23) of slide bar (21), two the surface sliding connection of slide bar (21) has No. one (20), be provided with between slide (14) and a movable plate (20) and establish No. one spring of slide bar (21) surface at the cover (16) The utility model discloses a U-shaped plate, the shifting chute has been seted up to the both sides of slide (14), the inner wall sliding connection of shifting chute has inserted block (18) No. one, fixedly connected with dwang (19) between a movable plate (20) and an inserted block (18), the both sides fixedly connected with slider (17) of slide (14), slot (22) have been seted up between the both sides inner wall of U-shaped plate (6), inserted block (18) are pegged graft mutually with slot (22) No. one, the top fixedly connected with L shaped plate (15) of slide (14).

2. The liquid feeding apparatus for a liquid chromatograph according to claim 1, wherein: the top fixedly connected with riser (28) of L shaped plate (15), rotate between two riser (28) and be connected with pivot (24), dwang (19) fixedly connected with connecting block (25), one side fixedly connected with square (26) of connecting block (25), one side intercommunication of square (26) is fixed with spray tube (27), riser (28) and fixedly connected with gear (36) are run through to the one end of pivot (24), one side sliding connection of riser (28) has pinion rack (35), pinion rack (35) meshes with gear (36) mutually, the fixed surface of pinion rack (35) is connected with rectangle piece (29), the flexible loop bar (30) of back fixedly connected with of rectangle piece (29), the one end fixedly connected with No. two movable plate (32) of flexible loop bar (30), be provided with between No. two movable plate (32) and rectangle piece (29) and establish No. two springs (31) on flexible loop bar (30) surface The surface of the second moving plate (32) is fixedly connected with a second insert block (33), a second slot (34) is formed in the surface of the vertical plate (28), and the second insert block (33) is connected with the second slot (34) in an inserting mode.

3. The liquid feeding apparatus for a liquid chromatograph according to claim 1, wherein: the top fixedly connected with solution tank (9) of workstation (1), positive fixedly connected with observation window (10) of solution tank (9), top fixedly connected with water pump (2) of workstation (1), communicate and be fixed with hose (8) between water pump (2) and solution tank (9), water pump (2) and intercommunication are fixed with hose (7) No. two, hose (7) No. two are linked together with spray tube (27).

4. The liquid feeding apparatus for a liquid chromatograph according to claim 1, wherein: a sliding groove (13) is formed in each of two sides of the U-shaped plate (6), and the sliding block (17) is connected with the inner wall of the corresponding sliding groove (13) in a sliding mode.

5. The liquid feeding apparatus for a liquid chromatograph according to claim 2, wherein: no. two spout (38) have been seted up on the surface of pinion rack (35), the fixed surface of riser (28) is connected with draw runner (37), the inner wall sliding connection of draw runner (37) and No. two spout (38).

6. The liquid feeding apparatus for a liquid chromatograph according to claim 1, wherein: the four corners of the bottom of the workbench (1) are fixedly connected with supporting columns (11).