CN219533033U

CN219533033U - Liquid chromatograph

Info

Publication number: CN219533033U
Application number: CN202320247273.0U
Authority: CN
Inventors: 李志全; 彭晶; 蒋云; 邹万; 朱盼盼; 喻强; 李彩云
Original assignee: Guangjian Testing Technology Wuhan Co ltd
Current assignee: Guangjian Testing Technology Wuhan Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-08-15
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a liquid chromatograph, which comprises a machine body, wherein a liquid storage frame is arranged at the upper end of the machine body, the liquid chromatograph also comprises a limiting mechanism arranged on the liquid storage frame and used for limiting a reagent bottle and a moving mechanism arranged at the lower end of the machine body and convenient for moving the machine body, the limiting mechanism comprises a plurality of limiting pipes fixedly connected to the liquid storage frame, two limiting rods which are symmetrically arranged are connected to each limiting pipe in a sliding manner, a limiting plate is arranged at one end of each limiting rod, which is opposite to the other end of each limiting rod, and an arc-shaped surface is arranged at the other end of each limiting plate. According to the utility model, the reagent bottle is limited by the limiting mechanism, so that the problem that the body is damaged due to the fact that the reagent bottle is toppled down due to the false touch in the process of analysis and identification and the liquid in the reagent bottle flows out is avoided, and the smooth analysis and identification of a sample and the use safety of the body are ensured.

Description

Liquid chromatograph

Technical Field

The utility model relates to the technical field of organic sample detection, in particular to a liquid chromatograph.

Background

Liquid chromatograph is an instrument that uses the difference in partition ratio of a mixture between two liquids, liquid-solid or immiscible, to separate the mixture first and then analyze and identify the mixture.

The reagent bottle that current liquid chromatograph used is directly placed in the stock solution frame, and easy in the in-process of using, because of the mistake bumps and causes the reagent bottle to take place to empty, leads to the liquid in the reagent bottle to flow out, causes the chromatograph to damage.

There is therefore a need for a liquid chromatograph to address the above problems.

Disclosure of Invention

The utility model aims to provide a liquid chromatograph to solve the problem that a reagent bottle provided in the background art lacks limitation in the placing process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the liquid chromatograph comprises a machine body, wherein the upper end of the machine body is provided with a liquid storage frame, and the liquid chromatograph also comprises a limiting mechanism arranged on the liquid storage frame and used for limiting a reagent bottle and a moving mechanism arranged at the lower end of the machine body and used for conveniently moving the machine body;

the limiting mechanism comprises a plurality of limiting pipes fixedly connected to the liquid storage frame, two limiting rods which are symmetrically arranged are connected to each limiting pipe in a sliding mode, limiting plates are arranged at the opposite ends of the limiting rods, arc-shaped surfaces are arranged at the other ends of the limiting plates, and driving mechanisms used for driving the two limiting plates are arranged on the limiting rods.

The driving mechanism comprises an L-shaped plate connected to the other ends of the two limiting rods through bolts, driving racks are arranged on the opposite sides of the two L-shaped plates, the driving rods are connected to the liquid storage frame in a rotating pair, driving gears are arranged at one ends of the driving rods, located in the liquid storage frame, and the driving gears are mutually meshed with the two driving racks.

The other end of each driving rod is provided with a rotating disc, and each rotating disc is provided with an anti-skid groove.

The side walls of the two limiting rods are sleeved with springs, and two ends of each spring are respectively connected with the side wall of the limiting pipe and the limiting plate.

The mobile mechanism comprises a mobile frame fixedly connected to the lower end of the machine body, two sliding plates which are symmetrically arranged are connected to the mobile frame in a sliding manner, two mobile wheels are arranged on one side, away from the machine body, of the sliding plates, and a pushing mechanism which is convenient to push the two sliding plates is arranged on the mobile frame.

The pushing mechanism comprises a pushing tube fixedly connected to the sliding plate, a threaded rod is connected to the pushing tube in a threaded mode, two guide tubes are arranged on the sliding plate and symmetrically arranged with respect to the pushing tube, guide rods are connected to the guide tubes in a sliding mode, one ends of the guide rods are connected with the side wall of the movable frame, a connecting rod is arranged at one end of the threaded rod, one end of the connecting rod penetrates through the movable frame, and a rotating handle is fixedly connected to the connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the limiting mechanism, under the driving action of the driving mechanism, the distance between the two limiting plates is enlarged, so that the reagent bottle is conveniently placed into the limiting tube, under the elastic force of the spring, the arc-shaped surface on the limiting plate is propped against the surface of the reagent bottle, the reagent bottle is limited, the problem that the body is damaged due to the fact that the reagent bottle is toppled over by mistake in the process of analysis and identification, and the problem that the body is damaged due to the fact that the liquid in the reagent bottle flows out are solved, and the smooth operation of the body on the analysis and identification of a sample and the safety of the body are ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the limiting mechanism of the present utility model;

FIG. 3 is a schematic view of the internal structure of the moving mechanism of the present utility model;

FIG. 4 is an enlarged view of FIG. 2 at A;

fig. 5 is an enlarged view at B in fig. 3.

In the figure: 101. a body; 102. a liquid storage frame; 201. a limiting tube; 202. a limit rod; 203. a limiting plate; 204. an arc surface; 301. an L-shaped plate; 302. a drive rack; 303. a driving rod; 304. a drive gear; 305. a rotating disc; 306. an anti-skid groove; 4. a spring; 501. a moving frame; 502. a sliding plate; 503. a moving wheel; 601. pushing the tube; 602. a threaded rod; 603. a guide tube; 604. a guide rod; 605. a connecting rod; 606. the handle is turned.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the liquid chromatograph provided by the utility model comprises a machine body 101, wherein a liquid storage frame 102 is arranged at the upper end of the machine body 101, and the liquid chromatograph also comprises a limiting mechanism arranged on the liquid storage frame 102 and used for limiting a reagent bottle and a moving mechanism arranged at the lower end of the machine body 101 and convenient for moving the machine body 101;

the limiting mechanism comprises a plurality of limiting pipes 201 fixedly connected to the liquid storage frame 102, two limiting rods 202 which are symmetrically arranged are connected to each limiting pipe 201 in a sliding manner, limiting plates 203 are arranged at the opposite ends of the two limiting rods 202, arc-shaped surfaces 204 are arranged at the other ends of the two limiting plates 203, and a driving mechanism for driving the two limiting plates 203 is arranged on the two limiting rods 202;

what needs to be explained here is: through stop gear's setting, having carried out spacingly to the reagent bottle, avoided at the in-process of analysis authentication, because of the mistake bumps and causes the reagent bottle to empty, lead to the liquid in the reagent bottle to flow out, cause the problem that organism 101 damaged to the organism 101 has been guaranteed going on smoothly and the safety in utilization of organism 101 to sample analysis authentication.

The driving mechanism comprises an L-shaped plate 301 connected to the other ends of the two limiting rods 202 through bolts, a driving rack 302 is arranged on one side of the two L-shaped plates 301 opposite to each other, a driving rod 303 is connected to the liquid storage frame 102 in a rotating way, a driving gear 304 is arranged at one end of the driving rod 303, which is positioned in the liquid storage frame 102, and the driving gear 304 is meshed with the two driving racks 302;

what needs to be explained here is: one end of the two L-shaped plates 301 is respectively connected with the upper and lower side walls of the two limiting rods 202, so that the driving gears 304 can be simultaneously connected with the driving racks 302 on the two L-shaped plates 301.

What needs to be explained here is: through the setting of actuating mechanism, be convenient for drive two limiting plates 203 and keep away from each other the motion, enlarge the interval between two limiting plates 203 to make things convenient for the reagent bottle to put into spacing pipe 201.

The other end of each driving rod 303 is provided with a rotating disc 305, and each rotating disc 305 is provided with an anti-skid groove 306;

what needs to be explained here is: by the provision of the rotating disk 305, the driving lever 303 is facilitated to be rotated.

The side walls of the two limiting rods 202 are sleeved with springs 4, and two ends of the two springs 4 are respectively connected with the side walls of the limiting pipes 201 and the limiting plates 203;

what needs to be explained here is: through the setting of spring 4, be convenient for drive two limiting plates 203 and be close to the motion each other for arcwall face 204 on the limiting plate 203 offsets with the surface of reagent bottle, has carried out spacingly to the reagent bottle.

The moving mechanism comprises a moving frame 501 fixedly connected to the lower end of the machine body 101, two sliding plates 502 which are symmetrically arranged are connected to the moving frame 501 in a sliding manner, two moving wheels 503 are arranged on one side, away from the machine body 101, of the two sliding plates 502, and a pushing mechanism which is convenient for pushing the two sliding plates 502 is arranged on the moving frame 501;

what needs to be explained here is: through the setting of moving mechanism, conveniently remove organism 101, make organism 101 when not using, conveniently accomodate, avoid organism 101 surface to fall on the dust, influenced the analysis precision of organism 101.

The pushing mechanism comprises a pushing tube 601 fixedly connected to the sliding plate 502, a threaded rod 602 is connected to the pushing tube 601 in a threaded manner, two guide tubes 603 are arranged on the sliding plate 502, the two guide tubes 603 are symmetrically arranged relative to the pushing tube 601, guide rods 604 are connected to the two guide tubes 603 in a sliding manner, one ends of the two guide rods 604 are connected with the side wall of the movable frame 501, a connecting rod 605 is arranged at one end of the threaded rod 602, one end of the connecting rod 605 penetrates through the movable frame 501, and a rotating handle 606 is fixedly connected to the connecting rod 605;

what needs to be explained here is: through the setting of pushing mechanism, be convenient for accomodate and shift out the movable wheel 503 on the sliding plate 502 to realize the removal and the fixed to organism 101.

Working principle: when a reagent bottle placed on the liquid storage frame 102 needs to be limited, the rotating disc 305 is rotated to drive the driving gear 304 on the driving rod 303 to rotate, and under the action of the mutual meshing transmission of the driving gear 304 and the driving racks 302 on the two L-shaped plates 301, the two limiting plates 203 are driven to move away from each other, at the moment, the spring 4 is stressed to deform to form elastic force, after the space between the two limiting plates 203 is enlarged, the reagent bottle can be placed in the limiting tube 201, when one end of the reagent bottle is propped against the bottom of the liquid storage frame 102, the rotating disc 305 is loosened, the two limiting plates 203 are driven to move close to each other under the elastic force of the spring 4, so that the arc-shaped surfaces 204 on the limiting plates 203 prop against the surface of the reagent bottle, and the reagent bottle is limited, the problem that the reagent bottle is inclined due to error collision in the process of analysis and identification, and the damage of the machine body 101 is caused is avoided, and the smooth analysis and the identification of the machine body 101 is ensured;

when the machine body 101 needs to be moved, the rotating handle 606 is rotated to drive the threaded rod 602 to rotate, the moving wheel 503 on the sliding plate 502 is pushed to move away from the rotating handle 606 under the guiding action of the threaded rod 602 and the pushing pipe 601 which are mutually meshed for transmission and the guiding pipe 603 and the guiding rod 604, and along with the continuous rotation of the rotating handle 606, the whole machine body 101 is supported when the moving wheel 503 is propped against the ground, so that the machine body 101 is convenient to move, the machine body 101 is convenient to store when not used, dust falling on the surface of the machine body 101 is avoided, and the analysis precision of the machine body 101 is influenced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A liquid chromatograph, comprising:

the device comprises a machine body (101), wherein a liquid storage frame (102) is arranged at the upper end of the machine body (101);

characterized by further comprising:

the limiting mechanism is arranged on the liquid storage frame (102) and used for limiting the reagent bottle;

the moving mechanism is arranged at the lower end of the machine body (101) and is convenient for moving the machine body (101);

stop gear includes a plurality of spacing pipes (201) of fixed connection on stock solution frame (102), each sliding connection has two gag lever posts (202) that set up each other symmetrically on spacing pipe (201), two the relative one end of gag lever post (202) is equipped with limiting plate (203), two arcwall face (204) have been seted up to the other end of limiting plate (203), two be equipped with on gag lever post (202) and be used for carrying out driven actuating mechanism to two limiting plates (203).

2. A liquid chromatograph according to claim 1, characterized in that: the driving mechanism comprises an L-shaped plate (301) connected to the other ends of the two limiting rods (202) through bolts, driving racks (302) are arranged on the opposite sides of the two L-shaped plates (301), driving rods (303) are connected to the liquid storage frame (102) in a rotating mode, driving gears (304) are arranged at one ends, located in the liquid storage frame (102), of the driving rods (303), and the driving gears (304) are meshed with the two driving racks (302).

3. A liquid chromatograph according to claim 2, characterized in that: the other end of each driving rod (303) is provided with a rotating disc (305), and each rotating disc (305) is provided with an anti-skid groove (306).

4. A liquid chromatograph according to claim 1, characterized in that: the side walls of the two limiting rods (202) are sleeved with springs (4), and two ends of the two springs (4) are respectively connected with the side walls of the limiting pipes (201) and the limiting plates (203).

5. A liquid chromatograph according to claim 1, characterized in that: the mobile mechanism comprises a mobile frame (501) fixedly connected to the lower end of the machine body (101), two sliding plates (502) which are symmetrically arranged are connected to the mobile frame (501) in a sliding manner, two mobile wheels (503) are arranged on one sides, away from the machine body (101), of the two sliding plates (502), and a pushing mechanism which is convenient for pushing the two sliding plates (502) is arranged on the mobile frame (501).

6. A liquid chromatograph according to claim 5, wherein: the pushing mechanism comprises a pushing tube (601) fixedly connected to a sliding plate (502), a threaded rod (602) is connected to the pushing tube (601) in a threaded mode, two guide tubes (603) are arranged on the sliding plate (502), the two guide tubes (603) are symmetrically arranged relative to the pushing tube (601), guide rods (604) are connected to the guide tubes (603) in a sliding mode, one ends of the guide rods (604) are connected with the side wall of the movable frame (501), a connecting rod (605) is arranged at one end of the threaded rod (602), one end of the connecting rod (605) penetrates through the movable frame (501) and is fixedly connected with a rotating handle (606).