CN218331385U - High-precision liquid chromatograph - Google Patents

Abstract

The utility model discloses a high accuracy liquid chromatograph, its technical scheme main points are: the device comprises a liquid chromatograph body, wherein a U-shaped plate is fixedly arranged on the top surface of the liquid chromatograph body; precision promotes the subassembly, precision promotes the subassembly setting the inside of U-shaped board, be used for promoting the precision of liquid chromatograph body, through the joint board that sets up, first spring, place the post, the fixed block, the movable hole, the restriction piece, mounting bracket and restriction hole are mutually supported, make the restriction piece rotate to the outside of restriction hole, through the second spring that sets up, the fly leaf, the joint board, mounting bracket and erection column mutually support, can be with the outside of joint board rearward movement to the mounting bracket, through the block board that sets up, the column spinner, support groove and magnifying glass mutually support, make the staff can learn the inside liquid content of liquid storage bottle through observing the magnifying glass body, thereby promote the precision of liquid chromatograph body, reach the precision promotion effect to the liquid chromatograph body.

Description

High-precision liquid chromatograph

Technical Field

The utility model relates to a liquid chromatograph technical field, concretely relates to high accuracy liquid chromatograph.

Background

The liquid chromatograph is an instrument for separating a mixture firstly and then analyzing and identifying the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids which are liquid-solid or immiscible, and the working principle of the instrument is generally that a solvent bottle arranged in a chromatograph shell pumps the solution into a chromatographic column through a high-pressure pump, meanwhile, a sample injector pumps the sample solution into the chromatographic column, as each component in the sample solution has different distribution coefficients in two phases, two phases move relatively in the chromatographic column, and through repeated adsorption-desorption distribution processes, each component generates large difference in moving speed and is separated into single components which flow out from the chromatographic column in sequence, and when the flowing liquid passes through a detector, the concentration in the liquid can be converted into an electric signal by the detector and is transmitted to a recorder for detection and recording.

For example, chinese patent publication No. CN216718325U discloses a high-precision liquid chromatograph, which is provided with a liquid extracting tube between a solvent bottle group and a high-pressure pump, so that a plurality of solutions in the solvent bottle group can be effectively mixed before being input into a chromatographic column, thereby improving two-phase relative movement between the plurality of solutions and a sample solution, which are effectively mixed in the chromatographic column, and improving an effective precision value of detection of a concentration of a liquid flowing out from the chromatographic column, but in this scheme, since the solvent bottle group is disposed inside an instrument housing, it is difficult for a worker to know a content of the liquid in each solvent bottle, so that the liquid in the solvent bottle may not be used and the worker may not know the content of the liquid in the subsequent liquid extraction from the solvent bottle, thereby affecting the precision of the liquid chromatograph, for example, chinese patent publication No. CN 211529045U discloses a high-precision liquid chromatograph, which provides a placement groove by disposing a liquid bottle in a placement box, so that the placement of the liquid in the placement box is not used and the liquid in the subsequent liquid extraction bottle is difficult to know the content of the liquid in the placement box, and the liquid extraction accuracy of the liquid in the liquid chromatography box is difficult to be used and to be used by the worker.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high accuracy liquid chromatograph has solved because the part department of stock solution bottle is in the inside of placing the standing groove on the box for the staff is difficult to learn the content of liquid in every stock solution bottle, leads to in the stock solution bottle liquid probably can't satisfy the use and the staff is not informed when follow-up inside liquid of extraction stock solution bottle, influences the problem of liquid chromatograph's precision.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a high accuracy liquid chromatograph comprising: the device comprises a liquid chromatograph body, wherein a U-shaped plate is fixedly arranged on the top surface of the liquid chromatograph body; precision lifting means, precision lifting means sets up the inside of U-shaped board is used for promoting the precision of liquid chromatograph body, precision lifting means includes: two block the board, two block the equal movable sleeve joint of board and be in the inside of U-shaped board, the equal fixed mounting in both sides of blocking the board has the column spinner, two support grooves have all been seted up to the inside both sides of U-shaped board, the excircle wall of column spinner with the activity of the interior round wall in support groove is cup jointed, the equal fixed mounting in both sides of U-shaped board has two carriage, the fly leaf has been cup jointed in the inside activity of carriage, the inside fixed mounting of carriage has the erection column, circular through-hole has been seted up to one side of fly leaf, the excircle wall of erection column with the activity of the interior round wall of circular through-hole is cup jointed, the excircle wall activity of erection column has cup jointed the second spring, the one end of second spring with one side fixed connection of fly leaf, the other end of second spring with inside one side fixed connection of support frame, one side fixed mounting of fly leaf has a plurality of fixed blocks, per two the fixed block is a set of fixed block, every group be provided with the clamping plate between the clamping plate, two fixed mounting panel has the top surface of the restriction piece to the top surface of the movable sleeve joint of the limiting hole of the fixing block, the limiting block is provided with the top surface of the limiting block of the fixing frame.

In order to avoid the stock solution bottle to rock, as the utility model discloses a high accuracy liquid chromatograph, the preferred, the interior round wall fixed mounting who places the hole has two mounting boxes, movable post has been cup jointed in the activity of the interior round wall of mounting box, the inside fixed mounting of mounting box has the third spring, the one end of third spring with the one end fixed connection of movable post, the one end fixed mounting of movable post has the joint semi-ring.

For follow-up utilization discharging pipe extraction stock solution bottle inside liquid, as the utility model discloses a high accuracy liquid chromatograph, the preferred, the connecting hole has been seted up to the top surface of stock solution bottle, the interior round wall of connecting hole is seted up threadedly, the interior round wall threaded connection of connecting hole has sealed piece, circular through-hole has been seted up to the top surface of sealed piece, the fixed discharging pipe that has cup jointed of interior circle of circular through-hole.

In order to avoid debris to fall into the inside of stock solution bottle, conduct the utility model discloses a high accuracy liquid chromatograph, the preferred, the excircle wall of discharging pipe is seted up threadedly, the excircle wall threaded connection of discharging pipe has the movable cover.

In order to reduce the cracked possibility of stock solution bottle, as the utility model discloses a high accuracy liquid chromatograph, the preferred, the fixed rubber semi-ring that has cup jointed of interior round wall of joint semi-ring, the interior round wall of rubber semi-ring with the excircle wall activity of stock solution bottle cup joints.

In order to rotate the arresting plate, as the utility model discloses a high accuracy liquid chromatograph, the preferred, one side fixed mounting of arresting plate has fixed frame.

In order to reach and restrict the effect to the stop plate, conduct the utility model discloses a high accuracy liquid chromatograph, the preferred, the equal fixed mounting in inside both sides of U-shaped plate has two restriction boards, one side of restriction board with one side fixed connection of magnifying glass body.

To sum up, the utility model discloses mainly have following beneficial effect:

through the joint board that sets up, first spring, place the post, the fixed block, the activity hole, the restriction piece, mounting bracket and restriction hole are mutually supported, make restriction piece downwardly rotating to the outside in restriction hole on the mounting bracket, through the second spring that sets up, the fly leaf, the joint board, mounting bracket and erection column are mutually supported, can move the joint board to the outside of mounting bracket backward, through the block board that sets up, the column spinner, support groove and magnifying glass are mutually supported, make the block board outwards rotate and make the staff can learn the inside liquid content of liquid storage bottle through observing the magnifying glass body simultaneously, avoid the extraction of liquid chromatograph body can't be satisfied to the inside liquid of liquid storage bottle when liquid chromatograph body extraction liquid storage bottle, thereby promote the precision of liquid chromatograph body, reach the precision promotion effect to the liquid chromatograph body, the staff of being convenient for realizes the high accuracy of liquid chromatograph body.

Through the mutual cooperation of joint semi-ring, activity post and the third spring that sets up for the joint semi-ring removes forward and carries out the butt to the liquid storage bottle, avoids the liquid storage bottle to rock.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the movable cover of the present invention;

fig. 3 is a schematic view of the structure of the placement hole of the present invention;

fig. 4 is a schematic structural view of the mounting box of the present invention;

FIG. 5 is a partial schematic view of A of FIG. 4;

fig. 6 is a schematic view of the structure of the movable column of the present invention.

Reference numerals are as follows: 1. a liquid chromatograph body; 2. a U-shaped plate; 3. a damming board; 4. placing holes; 5. a liquid storage bottle; 6. connecting holes; 7. a sealing block; 8. a discharge pipe; 9. a movable cover; 10. a magnifier body; 11. rotating the column; 12. A support groove; 13. a limiting plate; 14. clamping the semi-rings; 15. a rubber semi-ring; 16. mounting a box; 17. a fixing frame; 18. a support frame; 19. a movable plate; 20. a clamping and connecting plate; 21. a mounting frame; 22. a first spring; 23. A fixed block; 24. placing the column; 25. a movable hole; 26. a limiting hole; 27. a limiting block; 28. mounting a column; 29. a second spring; 30. a movable post; 31. and a third spring.

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.

Example one

Referring to fig. 1, 2, 3, 4 and 5, a high-precision liquid chromatograph includes a liquid chromatograph body 1, a U-shaped plate 2 is fixedly mounted on a top surface of the liquid chromatograph body 1, the liquid chromatograph body 1 is of an existing structure and will not be described herein, a precision lifting assembly is disposed inside the U-shaped plate 2 for lifting precision of the liquid chromatograph body 1, the precision lifting assembly includes two blocking plates 3, the two blocking plates 3 are movably sleeved inside the U-shaped plate 2, a rotating column 11 is fixedly mounted on both sides of the blocking plate 3, two supporting grooves 12 are disposed on both sides of the U-shaped plate 2, an outer circumferential wall surface of the rotating column 11 is movably sleeved on an inner circumferential wall surface of the supporting grooves 12, two supporting frames 18 are fixedly mounted on both sides of the U-shaped plate 2, a movable plate 19 is movably sleeved inside the supporting frames 18, a mounting column 28 is fixedly mounted inside the supporting frames 18, a circular through hole is disposed on one side of the movable plate 19, a circular through hole is disposed on an outer circumferential wall surface of the mounting column 28, a second spring 29 is movably sleeved on an outer circumferential wall surface of the second spring, a movable plate 23, a clamping plate 23 is disposed on one side of the fixed plate 23, a clamping plate 23 is disposed on one side of the fixed block 23, a fixed block plate 23, a fixed block 23 is disposed on a fixed block 23, a fixed block 23 disposed on one side of the fixed block 23, the mounting rack 21 is of a U-shaped structure, the top surface and the bottom surface of the mounting rack 21 are both provided with limiting holes 26, the top surface of the clamping plate 20 is fixedly provided with limiting blocks 27, the limiting blocks 27 are movably sleeved with the limiting holes 26, the U-shaped plate 2 is internally provided with two magnifier bodies 10, the top surface of the U-shaped plate 2 is provided with a plurality of placing holes 4, the placing holes 4 are internally provided with liquid storage bottles 5, through the arranged liquid storage bottle 5, before a worker extracts the liquid in the liquid storage bottle 5, the worker firstly determines the content of the liquid in the liquid storage bottle 5, through the arranged clamping plate 20, a worker extrudes the two clamping plates 20 to enable the two clamping plates 20 to rotate towards the middle, the first spring 22 is compressed, the clamping plate 20 rotates towards the middle, the clamping plate 20 drives the placing column 24 to rotate inside the movable hole 25 on the fixed block 23, the limiting block 27 also rotates downwards to the outside of the limiting hole 26 on the mounting frame 21 due to the rotation of the clamping plate 20, the limitation of the limiting block 27 is lost, the movable plate 19 moves backwards due to the acting force of the second spring 29, the movable plate 19 moves backwards to drive the clamping plate 20 to move backwards to the outside of the mounting frame 21, the limitation of the clamping plate 20 and the limiting block 27 is lost, the worker rotates outwards to drive the blocking plate 3 to drive the rotating column 11 to rotate inside the supporting groove 12, the blocking of the blocking plate 3 is lost, the worker can know the liquid content inside the liquid storage bottle 5 by observing the magnifier body 10, and can avoid that the liquid inside the liquid storage bottle 5 can not meet the extraction of the liquid chromatograph body 1 when the liquid chromatograph body 1 extracts the liquid inside the liquid storage bottle 5, thereby promote the precision of liquid chromatograph body 1, reach the precision promotion effect to liquid chromatograph body 1, the staff of being convenient for realizes the high accuracy of liquid chromatograph body 1.

Example two

Referring to fig. 1, 2, 3, 4 and 6, two mounting boxes 16 are fixedly mounted on an inner circular wall surface of a placing hole 4, a movable column 30 is movably sleeved on the inner circular wall surface of each mounting box 16, each mounting box 16 is of a hollow rectangular structure, one end of each mounting box 16 is open, a third spring 31 is fixedly mounted inside each mounting box 16, one end of each third spring 31 is fixedly connected with one end of each movable column 30, a clamping half ring 14 is fixedly mounted at one end of each movable column 30, a clamping half ring 14 is arranged at one end of each movable column 30, a worker moves the clamping half ring 14 outwards to enable the movable columns 30 to move outwards and enable the third springs 31 to be compressed, then the worker places the liquid storage bottle 5 between the two clamping half rings 14, the worker loosens the clamping half rings 14, the clamping half rings 14 are moved forwards by the acting force of the movable columns 30 to abut against the liquid storage bottle 5, the liquid storage bottle 5 is prevented from shaking, a connecting hole 6 is formed in the top surface of the liquid storage bottle 5, a thread is formed in the inner circular wall surface of the connecting hole 6, the inner circular through the sealing block 7 is connected with the liquid storage bottle 7, the sealing block 7 is convenient for the worker to extract the liquid storage bottle 5, and the sealing block 8 is convenient for the worker to extract the liquid storage bottle.

EXAMPLE III

Referring to fig. 1, 2, 3 and 4, an outer circular wall of the discharging pipe 8 is threaded, an outer circular wall of the discharging pipe 8 is in threaded connection with a movable cover 9, the movable cover 9 is of a hollow cylindrical structure, and the bottom surface of the movable cover is open, through the movable cover 9, a worker puts the movable cover 9 into the outer portion of the discharging pipe 8 and rotates the movable cover 9 to fix the movable cover 9 on the outer portion of the discharging pipe 8, the movable cover 9 can block the top surface of the discharging pipe 8 to prevent impurities from falling into the liquid storage bottle 5, the inner circular wall of the clamping semi-ring 14 is fixedly sleeved with a rubber semi-ring 15, the inner circular wall of the rubber semi-ring 15 is movably sleeved with the outer circular wall of the liquid storage bottle 5, one side of the blocking plate 3 is fixedly provided with a fixed frame 17, two sides of the U-shaped plate 2 are fixedly provided with two limiting plates 13, one side of each limiting plate 13 is fixedly connected with one side of the magnifier body 10, and the limiting plates 13 can limit the blocking plate 3 to achieve the effect of limiting the blocking plate 3.

The working principle is as follows: referring to fig. 1-6, through the liquid storage bottle 5 that sets up, before the staff extracts the liquid in the liquid storage bottle 5, the staff first confirms the liquid content in the liquid storage bottle 5, through the joint plate 20 that sets up, the staff extrudes two joint plates 20 and makes two joint plates 20 rotate towards the centre and make first spring 22 compressed simultaneously, joint plate 20 rotates towards the centre and makes joint plate 20 drive the inside rotation of placing post 24 activity hole 25 on fixed block 23, joint plate 20 rotates and makes limiting block 27 rotate down to the outside of limiting hole 26 on mounting bracket 21, the restriction of limiting block 27 has been lost, the effort of second spring 29 makes movable plate 19 move backward, movable plate 19 moves backward and drives joint plate 20 move backward to the outside of mounting bracket 21, the restriction of joint plate 20 and limiting block 27 has been lost, the staff rotates and hinders the internal rotation of block 3 drive rotary column 11 in support groove 12 outward, the hindrance of hindering plate 3 has been lost, the staff can learn the liquid content in the liquid storage bottle 5 through observing body 10, avoid when the staff obtains the accuracy of liquid chromatograph 1 that the liquid chromatograph 1 can's 2 internal liquid chromatograph of liquid chromatograph, thereby the precision is promoted to the working glass of liquid chromatograph 1, the staff's that the liquid chromatograph 1 can's accuracy is realized to the liquid chromatograph 1.

Through the clamping semi-ring 14 that sets up, the staff outwards removes clamping semi-ring 14 makes movable column 30 outwards remove and make third spring 31 compressed simultaneously, then the staff puts into liquid storage bottle 5 between two clamping semi-rings 14, the staff loosens clamping semi-ring 14, movable column 30's effort makes clamping semi-ring 14 move forward and carries out the butt to liquid storage bottle 5, avoid liquid storage bottle 5 to rock, through the sealing block 7 that sets up, the staff puts into the inside of connecting hole 6 on liquid storage bottle 5 with sealing block 7 and the one end of discharging pipe 8 and rotates sealing block 7 and makes sealing block 7 fixed in the inside of connecting hole 6, thereby fix discharging pipe 8 in the inside of liquid storage bottle 5, be convenient for the staff follow-up liquid that utilizes discharging pipe 8 extraction liquid in liquid storage bottle 5, through the rubber semi-ring 15 that sets up, rubber 15 can avoid clamping semi-ring 14 direct with the outer wall contact of liquid storage bottle 5, reduce the cracked possibility of liquid storage bottle 5, through the restriction board 13 that sets up, restriction board 13 can restrict to hindering board 3, reach the restriction effect of hindering.

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 (7)

1. A high-precision liquid chromatograph, comprising:

the device comprises a liquid chromatograph body (1), wherein a U-shaped plate (2) is fixedly arranged on the top surface of the liquid chromatograph body (1);

precision lifting assembly, precision lifting assembly sets up the inside of U-shaped board (2) is used for promoting the precision of liquid chromatograph body (1), precision lifting assembly includes: two blocking plates (3), wherein the two blocking plates (3) are movably sleeved in the U-shaped plate (2), rotary columns (11) are fixedly mounted on two sides of the blocking plates (3), two supporting grooves (12) are formed in two sides of the U-shaped plate (2), an excircle wall surface of each rotary column (11) is movably sleeved with an inner circle wall surface of each supporting groove (12), two supporting frames (18) are fixedly mounted on two sides of the U-shaped plate (2), a movable plate (19) is sleeved on each supporting frame (18), a mounting column (28) is fixedly mounted in the supporting frame (18), a circular through hole is formed in one side of each movable plate (19), the excircle wall surface of each mounting column (28) is movably sleeved with the wall surface of each circular through hole, a second spring (29) is sleeved on the excircle wall surface of each mounting frame (28), one end of each second spring (29) is fixedly connected with one side of each movable plate (19), the other end of each second spring (29) is fixedly connected with one side of each supporting frame (18), a plurality of fixed blocks (23) are fixedly clamped between each group of fixed blocks (20), and each group of the two fixed blocks (23) is provided with each fixed block (23), the equal fixed mounting in both sides of joint board (20) places post (24), activity hole (25) have been seted up to one side of fixed block (23), place the excircle wall of post (24) with the activity of the interior round wall of activity hole (25) is cup jointed, one side fixed mounting of blocking board (3) has mounting bracket (21), restriction hole (26) have all been seted up to the top surface and the bottom surface of mounting bracket (21), the top surface fixed mounting of joint board (20) has restriction piece (27), restriction piece (27) with restriction hole (26) activity is cup jointed, the inside of U-shaped board (2) is provided with two magnifying glass bodies (10), the top surface of U-shaped board (2) is seted up a plurality of and is placed hole (4), the inside of placing hole (4) is provided with stock solution bottle (5).

2. A high accuracy liquid chromatograph according to claim 1, wherein: place interior round wall fixed mounting in hole (4) has two mounting boxes (16), the activity of the interior round wall activity of mounting box (16) has cup jointed movable column (30), the inside fixed mounting of mounting box (16) has third spring (31), the one end of third spring (31) with the one end fixed connection of movable column (30), the one end fixed mounting of movable column (30) has joint semi-ring (14).

3. A high accuracy liquid chromatograph according to claim 1, wherein: connecting hole (6) have been seted up to the top surface of stock solution bottle (5), the interior circle wall of connecting hole (6) is seted up threadedly, the interior circle wall threaded connection of connecting hole (6) has sealed piece (7), circular through-hole has been seted up to the top surface of sealed piece (7), discharging pipe (8) have been cup jointed to the interior circle of circular through-hole is fixed.

4. A high accuracy liquid chromatograph according to claim 3, wherein: the outer circle wall surface of the discharge pipe (8) is provided with threads, and the outer circle wall surface of the discharge pipe (8) is connected with a movable cover (9) in a threaded manner.

5. A high accuracy liquid chromatograph according to claim 2, wherein: the inner circle wall surface of the clamping semi-ring (14) is fixedly sleeved with a rubber semi-ring (15), and the inner circle wall surface of the rubber semi-ring (15) is movably sleeved with the outer circle wall surface of the liquid storage bottle (5).

6. A high accuracy liquid chromatograph according to claim 1, wherein: one side of the blocking plate (3) is fixedly provided with a fixed frame (17).

7. A high accuracy liquid chromatograph according to claim 1, wherein: two limiting plates (13) are fixedly mounted on two sides of the interior of the U-shaped plate (2), and one side of each limiting plate (13) is fixedly connected with one side of the magnifier body (10).

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