CN214953261U

CN214953261U - Improved liquid chromatograph

Info

Publication number: CN214953261U
Application number: CN202120620059.6U
Authority: CN
Inventors: 傅佳鸿; 胡登科; 王勇
Original assignee: Zhejiang Anlian Test Technology Service Co ltd
Current assignee: Zhejiang Anlian Test Technology Service Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-30
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to a liquid chromatograph technical field specifically is an improved generation liquid chromatograph, including test box, control panel, collecting bottle, locating plate and drive assembly, the fixed surface of test box installs the control panel, the last fixed surface of test box installs collecting bottle, the last surface intercommunication of collecting bottle has the catheter, the rectangular channel has been seted up to the last surface symmetry of collecting bottle, the inner wall symmetry sliding connection of rectangular channel has the rectangular block, and is two sets of the last fixed surface of rectangular block installs the locating plate, the inside of rectangular channel is provided with drive assembly. The utility model discloses, through must mutually supporting between locating plate and the drive assembly, can press from both sides tight fixedly to the catheter in the use, avoid in the use, because the bending of catheter leads to catheter and collection liquid bottle junction to take place not hard up the condition emergence, guarantee going on smoothly of whole testing process.

Description

Improved liquid chromatograph

Technical Field

The utility model relates to a liquid chromatograph technical field especially relates to an improved generation liquid chromatograph.

Background

Glyphosate is a commonly used high-efficiency, low-toxicity and broad-spectrum water-soluble herbicide, although the toxicity is low, the glyphosate still causes harm to human bodies, and after the glyphosate is used for a long time, the glyphosate also causes pollution to the environment, so that the detection of the glyphosate is increased in the sanitary Standard for Drinking Water.

At present, when glyphosate solution is detected, a liquid chromatography method is mostly adopted, before chromatographic analysis, pre-column derivatization is needed, the glyphosate solution is often needed to be led into a specific liquid collecting bottle and then treated, but after a long time, the joint of a liquid guide pipe and the liquid collecting bottle is loosened due to the bending of a pipeline, and the smooth proceeding of the whole detection process is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an improved liquid chromatograph.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an improved generation liquid chromatograph, includes test box, control panel, collector flask, locating plate and drive assembly, the fixed surface of test box installs the control panel, the last fixed surface of test box installs the collector flask, the upper surface intercommunication of collector flask has the catheter, the rectangular channel has been seted up to the last fixed surface of collector flask, the inner wall symmetry sliding connection of rectangular channel has the rectangular block, and is two sets of the last fixed surface of rectangular block installs the locating plate, the inside of rectangular channel is provided with drive assembly.

Preferably, the positioning plate is convex, and a semicircular clamping groove is formed in one end, close to the liquid guide tube, of the positioning plate.

Preferably, the driving assembly comprises a screw rod, an auxiliary rod, limiting blocks and limiting grooves, the inner walls of the rectangular grooves are connected with the screw rod and the auxiliary rod in a rotating mode respectively, the rectangular blocks are symmetrically sleeved on the outer surfaces of the screw rod and the auxiliary rod respectively, the limiting blocks are fixedly arranged on the two sides of the rectangular blocks in a symmetrical mode, the limiting grooves are symmetrically formed in the inner walls of the rectangular grooves, and the limiting blocks are inserted into the limiting grooves.

Preferably, one side of the limiting block, which is close to the limiting groove, is provided with a mounting groove, and the inner wall of the mounting groove is rotatably connected with a roller.

Preferably, the screw rod penetrates through the inner wall of the rectangular groove and extends to the outer surface of the liquid collecting bottle, and a rotating piece is fixedly mounted at one end, far away from the rectangular groove, of the screw rod.

Preferably, the outer surface of the control screen is symmetrically and fixedly provided with fixing rods, one side of each of the two groups of fixing rods, which is opposite to the fixing rods, is provided with a sliding groove, the outer surface of the control screen is connected with a protection plate in a sliding manner, and the two sides of the protection plate, which are close to the sliding grooves, are symmetrically and fixedly provided with clamping blocks.

Preferably, the inner side of the protection plate is fixedly provided with a cotton piece, the outer surface of the protection plate is fixedly provided with a deflector rod, and the clamping block slides in the sliding groove.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. in the utility model, when an experimenter introduces glyphosate solution into the liquid collecting bottle, before introduction, the experimenter can twist the rotating piece which can drive the screw rod to rotate, at the moment, the rectangular block can slide in the rectangular groove along the outer surfaces of the screw rod and the auxiliary rod under the auxiliary action of the limiting block and the limiting groove, at the moment, two groups of positioning plates can move together with the rectangular block and slowly fold, when the rotating piece moves to the final position, the two groups of positioning plates can just be combined together, the semicircular clamping grooves on the two groups of positioning plates can directly form a whole circle, thereby wrapping and fixing the part at the joint of the catheter and the liquid collecting bottle, and through mutual matching between the positioning plates and the driving component, the catheter can be clamped and fixed in the using process, and the use process is avoided due to the bending of the catheter, the condition that the joint of the liquid guide tube and the liquid collecting bottle is loosened is caused, and the smooth operation of the whole detection process is ensured.

2. In the utility model, when the experimenter uses the liquid chromatograph, the control screen of the chromatograph is often directly exposed in the air, the surface of the control screen will be colored after a long time of use, which affects the normal detection of the experimenter and also reduces the service life of the whole chromatograph, when the experimenter uses up the chromatograph, the experimenter can directly stir the shift lever, under the action of the clamping block and the sliding groove, the deflector rod can drive the protective plate to slide on the outer surface of the control screen, when the deflector rod moves to the final position, the protective plate can cover the whole control screen, thereby protecting the control screen, when needing to be used next time, the experimenter only needs to utilize the deflector rod to move the protection plate, through setting up this guard plate, easy operation is convenient, can realize protecting effect effectively to the control screen, ensures the normal use of control screen.

Drawings

Fig. 1 is a schematic perspective view of an improved liquid chromatograph according to the present invention;

fig. 2 is a schematic back view of the improved liquid chromatograph of fig. 1 according to the present invention;

fig. 3 is an enlarged view of the improved liquid chromatograph at a in fig. 2 according to the present invention;

fig. 4 is a schematic side view of fig. 2 of an improved liquid chromatograph according to the present invention;

fig. 5 is an enlarged view of fig. 4, B, of an improved liquid chromatograph according to the present invention;

fig. 6 is a schematic side view of the improved liquid chromatograph of fig. 1 according to the present invention;

fig. 7 is an enlarged view of the improved liquid chromatograph at C in fig. 6.

Illustration of the drawings:

1. a test box; 2. a control screen; 3. a liquid collecting bottle; 4. a catheter; 5. a rectangular groove; 6. a rectangular block; 7. positioning a plate; 8. a screw; 9. an auxiliary lever; 10. a limiting block; 11. a limiting groove; 12. a drum; 13. a rotating member; 14. fixing the rod; 15. a chute; 16. a protection plate; 17. and (7) clamping blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an improved generation liquid chromatograph, including test box 1, control panel 2, collecting bottle 3, locating plate 7 and drive assembly, the fixed surface of test box 1 installs control panel 2, the last fixed surface of test box 1 installs collecting bottle 3, the upper surface intercommunication of collecting bottle 3 has catheter 4, rectangular channel 5 has been seted up to collecting bottle 3's last surface symmetry, the inner wall symmetry sliding connection of rectangular channel 5 has rectangular block 6, the last fixed surface of two sets of rectangular blocks 6 installs locating plate 7, the inside of rectangular channel 5 is provided with drive assembly.

In this embodiment: through mutually supporting between drive assembly and locating plate 7, can carry out the fixed action effectively to catheter 4 to guarantee that catheter 4 can not take place not hard up in long-time use.

Specifically, the positioning plate 7 is convex, and a semicircular clamping groove is formed in one end, close to the liquid guide tube 4, of the positioning plate 7.

In this embodiment: the convex positioning plate 7 is matched with the semicircular clamping groove, so that the liquid guide tube 4 can be effectively fixed.

Specifically, the driving assembly comprises a screw rod 8, an auxiliary rod 9, a limiting block 10 and a limiting groove 11, the inner walls of the two groups of rectangular grooves 5 are respectively connected with the screw rod 8 and the auxiliary rod 9 in a rotating mode, the rectangular blocks 6 are respectively and symmetrically sleeved on the outer surfaces of the screw rod 8 and the auxiliary rod 9 in a sleeved mode, the limiting blocks 10 are fixedly arranged on the two sides of the rectangular blocks 6 in a symmetrical mode, the limiting groove 11 is symmetrically formed in the inner wall of the rectangular groove 5, and the limiting blocks 10 are inserted into the limiting groove 11.

In this embodiment: the driving assembly can ensure the normal movement of the two sets of positioning plates 7.

Specifically, one side of the limiting block 10 close to the limiting groove 11 is provided with a mounting groove, and the inner wall of the mounting groove is rotatably connected with a roller 12.

In this embodiment: the rollers 12 ensure that the rectangular block 6 moves more smoothly within the rectangular slot 5.

Specifically, the screw 8 penetrates through the inner wall of the rectangular groove 5 and extends to the outer surface of the liquid collecting bottle 3, and a rotating piece 13 is fixedly mounted at one end, far away from the rectangular groove 5, of the screw 8.

In this embodiment: the rotating member 13 may provide a point of application for the experimenter to rotate the screw 8.

Specifically, the fixed rods 14 are symmetrically and fixedly mounted on the outer surface of the control screen 2, the sliding grooves 15 are formed in one opposite sides of the two groups of fixed rods 14, the protection plate 16 is slidably connected to the outer surface of the control screen 2, and the clamping blocks 17 are symmetrically and fixedly mounted on two sides, close to the sliding grooves 15, of the protection plate 16.

In this embodiment: the protection plate 16 can achieve an overall covering effect on the control panel 2, thereby effectively protecting the control panel 2.

Specifically, the inner side of the protection plate 16 is fixedly provided with a cotton piece, the outer surface of the protection plate 16 is fixedly provided with a deflector rod, and the clamping block 17 slides in the sliding groove 15.

In this embodiment: the deflector rod can make things convenient for the experimenter to remove guard plate 16, and the cotton piece can guarantee that the fish tail can not appear in the in-process that guard plate 16 removed, control screen 2.

The working principle is as follows: when an experimenter introduces glyphosate solution into the liquid collecting bottle 3, before introduction, the experimenter can twist the rotating piece 13, the rotating piece 13 can drive the screw rod 8 to rotate, at the moment, the rectangular block 6 can slide in the rectangular groove 5 along the outer surfaces of the screw rod 8 and the auxiliary rod 9 under the auxiliary action of the limiting block 10 and the limiting groove 11, at the moment, the two groups of positioning plates 7 can move together with the rectangular block 6 and slowly fold, when the liquid chromatograph moves to a final position, the two groups of positioning plates 7 can be just combined together, the semicircular clamping grooves on the two groups of positioning plates 7 can directly form a whole circle, so that the part of the connecting part of the liquid guide pipe 4 and the liquid collecting bottle 3 is wrapped and fixed, when the experimenter uses the liquid chromatograph, the control screen 2 of the chromatograph is often directly exposed in the air, the use time is long, the surface of the control screen 2 can be colored, influence the normal detection of experimenter, also reduce the life of whole chromatograph, when the experimenter used up this chromatograph, the experimenter can directly stir the driving lever this moment, under fixture block 17 and spout 15's effect, the driving lever can take protection plate 16 to slide at the surface of control screen 2, when moving final position, protection plate 16 can cover whole control screen 2 this moment, thereby protect control screen 2, when next time need use, the experimenter only need recycle the driving lever and remove protection plate 16 can.

In the above, the present invention is only a preferred embodiment, and is not limited to the present invention in other forms, and any person skilled in the art may use the above-disclosed technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, but all the persons do not depart from the technical contents of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an improved generation liquid chromatograph, includes test box (1), control panel (2), collecting bottle (3), locating plate (7) and drive assembly, its characterized in that: the utility model discloses a test box, including test box (1), the outer fixed surface of test box (1) installs control panel (2), the last fixed surface symmetry of test box (1) installs liquid collecting bottle (3), the upper surface intercommunication of liquid collecting bottle (3) has catheter (4), rectangular channel (5) have been seted up to the upper surface symmetry of liquid collecting bottle (3), the inner wall symmetry sliding connection of rectangular channel (5) has rectangular block (6), and is two sets of the last fixed surface of rectangular block (6) installs locating plate (7), the inside of rectangular channel (5) is provided with drive assembly.

2. An improved liquid chromatograph according to claim 1, wherein: the positioning plate (7) is in a convex shape, and a semicircular clamping groove is formed in one end, close to the liquid guide tube (4), of the positioning plate (7).

3. An improved liquid chromatograph according to claim 1, wherein: the driving assembly comprises a screw rod (8), an auxiliary rod (9), a limiting block (10) and a limiting groove (11), the inner wall of the rectangular groove (5) is connected with the screw rod (8) and the auxiliary rod (9) in a rotating mode respectively, the rectangular block (6) is symmetrically sleeved on the outer surface of the screw rod (8) and the outer surface of the auxiliary rod (9) respectively, the limiting block (10) is fixedly arranged on the bilateral symmetry of the rectangular block (6), the limiting groove (11) is symmetrically formed in the inner wall of the rectangular groove (5), and the limiting block (10) is inserted into the limiting groove (11).

4. An improved liquid chromatograph according to claim 3, wherein: the mounting groove is formed in one side, close to the limiting groove (11), of the limiting block (10), and the inner wall of the mounting groove is rotatably connected with the roller (12).

5. An improved liquid chromatograph according to claim 3, wherein: the screw rod (8) runs through the inner wall of rectangular channel (5) and extends to the surface of liquid collecting bottle (3), the one end fixed mounting that rectangular channel (5) were kept away from in screw rod (8) has rotation piece (13).

6. An improved liquid chromatograph according to claim 1, wherein: the outer surface symmetry of control screen (2) is equipped with dead lever (14) admittedly, and is two sets of spout (15) have all been seted up to dead lever (14) relative one side, the surface sliding connection of control screen (2) has guard plate (16), the bilateral symmetry fixed mounting that guard plate (16) are close to spout (15) has fixture block (17).

7. An improved liquid chromatograph according to claim 6, wherein: the cotton piece is fixedly installed on the inner side of the protection plate (16), the deflector rod is fixedly installed on the outer surface of the protection plate (16), and the clamping block (17) slides in the sliding groove (15).