CN219162074U

CN219162074U - Automatic liquid feeding device of liquid chromatograph

Info

Publication number: CN219162074U
Application number: CN202223152369.3U
Authority: CN
Inventors: 邢金松
Original assignee: Shanghai Xihua Pharmaceutical Technology Co ltd
Current assignee: Shanghai Xihua Pharmaceutical Technology Co ltd
Priority date: 2022-11-27
Filing date: 2022-11-27
Publication date: 2023-06-09
Anticipated expiration: 2032-11-27

Abstract

The utility model relates to the technical field of liquid chromatographs, in particular to an automatic liquid feeding device of a liquid chromatograph, which comprises a connecting box body, wherein a controller is connected to the side wall of the connecting box body, a plurality of groups of liquid storage tanks are arranged on the end face of the connecting box body, a flowmeter is connected to the end face of the liquid storage tanks, one end of the flowmeter is connected with a liquid inlet pipe, and the back face of the connecting box body is connected with a liquid feeding structure.

Description

Automatic liquid feeding device of liquid chromatograph

Technical Field

The utility model relates to the technical field of liquid chromatographs, in particular to an automatic liquid adding device of a liquid chromatograph.

Background

The current automatic liquid adding device of the liquid chromatograph is used in the process, most of the automatic liquid adding device needs to be used after intermittent experiments, so that the working efficiency is reduced, and the automatic liquid adding device of the liquid chromatograph, which can automatically add liquid when the experiment is performed continuously, is needed.

Disclosure of Invention

The utility model aims to provide an automatic liquid adding device of a liquid chromatograph, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the automatic liquid adding device of the liquid chromatograph comprises a connecting box body, wherein a controller is connected to the side wall of the connecting box body, a plurality of groups of liquid storage tanks are arranged on the end face of the connecting box body, a flowmeter is connected to the end face of each liquid storage tank, one end of each flowmeter is connected with a liquid inlet conduit, and a liquid adding structure is connected to the back face of the connecting box body;

the liquid feeding structure comprises a driving motor, the back at the connection box is connected to the driving motor, the drive end of driving motor has the drive lead screw through the coupling joint, be connected with the drive slider on the lateral wall of drive lead screw, the both sides symmetry that are located the drive lead screw on the lateral wall of drive slider is connected with fixed slide rail, the back of drive slider is connected with electric telescopic handle, fixed connecting block is connected to electric telescopic handle's drive end, be connected with spacing guide pillar on the lateral wall of fixed connecting block and be located electric telescopic handle all around, the back of drive slider and correspond with spacing guide pillar and offered spacing connecting hole, the back of fixed connecting block is connected with the liquid storage pot, be connected with the water pump on the terminal surface of liquid storage pot, the bottom of liquid storage pot is connected with the solenoid valve through the pipe connection, the other end of solenoid valve is connected with out the liquid pipe.

As a preferable scheme of the utility model, the liquid storage tank is provided with four groups and is connected with the end face of the connecting box body at equal intervals, and the flowmeter is connected with the controller through a wire and is electrically connected with the controller.

As a preferable scheme of the utility model, the liquid inlet guide pipe and the liquid outlet guide pipe are correspondingly arranged, the connecting end of the liquid inlet guide pipe and the liquid outlet guide pipe is provided with the connecting plate, and the driving motor is connected with the controller through a wire and is electrically connected.

As a preferable scheme of the utility model, the driving screw rod is connected to the back surface of the connecting box body through the bearing seat, wherein the driving screw rod is in rotary connection with the bearing seat, and the driving screw rod is in threaded connection with the driving sliding block.

As a preferable scheme of the utility model, the driving sliding block is connected with the fixed sliding rail in a sliding way, the electric telescopic rod is connected with the controller through a lead wire and is electrically connected in a connecting way, and the limit guide post is in clearance fit with the limit connecting hole in a matching way.

As a preferable scheme of the utility model, the water pump is connected with the controller through a wire and is electrically connected in a connection mode, and the electromagnetic valve is connected with the controller through a wire and is electrically connected in a connection mode.

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

1. according to the utility model, the liquid adding structure is arranged in the automatic liquid adding device of the liquid chromatograph, so that the design that a plurality of groups of liquid storage tanks are automatically added with liquid through the transmission structure by utilizing the driving motor in the liquid adding structure is adopted, and the liquid storage tanks can be automatically added with liquid under the condition of uninterrupted experiment in the use process of the automatic liquid adding device of the liquid chromatograph, so that the working efficiency is improved, and the problem of intermittent liquid adding is solved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present utility model;

FIG. 3 is a schematic diagram of the liquid adding structure of the present utility model;

FIG. 4 is a schematic view of the portion of FIG. 3 according to the present utility model.

In the figure: 1. the box body is connected; 2. a controller; 3. a liquid storage tank; 4. a flow meter; 5. a liquid inlet conduit; 6. a liquid adding structure; 601. a driving motor; 602. driving a screw rod; 603. driving a sliding block; 604. fixing the sliding rail; 605. an electric telescopic rod; 606. fixing the connecting block; 607. limiting guide posts; 608. limiting the connecting hole; 609. a liquid storage tank; 610. a water pump; 611. an electromagnetic valve; 612. a liquid outlet pipe.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present utility model provides a technical solution:

the automatic liquid adding device of the liquid chromatograph comprises a connecting box body 1, wherein a controller 2 is connected to the side wall of the connecting box body 1, a plurality of groups of liquid storage tanks 3 are arranged on the end face of the connecting box body 1, a flowmeter 4 is connected to the end face of the liquid storage tanks 3, a liquid inlet conduit 5 is connected to one end of the flowmeter 4, and a liquid adding structure 6 is connected to the back face of the connecting box body 1;

in this embodiment, referring to fig. 1, 3 and 4, in the liquid charging structure 6 including a driving motor 601, the driving motor 601 is connected to the back surface of the connection box 1, and the driving motor 601 is started under the condition that the driving motor 601 is connected with the controller 2 by a wire and the connection mode is electrically connected, so that the driving end of the driving motor 601 rotates, a driving screw 602 is connected to the driving end of the driving motor 601 by a coupling, and the driving screw 602 is connected to the back surface of the connection box 1 by a bearing seat, wherein the driving screw 602 is driven to rotate under the condition that the driving screw 602 is rotationally connected with the bearing seat, a driving slide block 603 is connected to a side wall of the driving screw 602, fixed slide rails 604 are symmetrically connected to two sides of the driving slide block 603 and the connection mode of the driving screw 602 and the driving slide block 603 is a threaded connection, the driving slide block 603 is driven to move under the condition that the connection mode of the driving slide block 603 and the fixed slide rail 604 is sliding connection, until the liquid inlet guide pipe 5 and the liquid outlet guide pipe 612 are in an aligned position, the back surface of the driving slide block 603 is connected with an electric telescopic rod 605, the driving end of the electric telescopic rod 605 is connected with a fixed connection block 606, the side wall of the fixed connection block 606 is connected with a limit guide post 607 around the electric telescopic rod 605, the back surface of the driving slide block 603 is provided with a limit connection hole 608 corresponding to the limit guide post 607, the electric telescopic rod 605 is started under the condition that the electric telescopic rod 605 is connected with the controller 2 through a wire and the connection mode is electric connection, under the condition that the matching mode of the limit guide post 607 and the limit connection hole 608 is clearance fit, the liquid storage tank 609 is moved, so that the liquid inlet guide pipe 5 and the liquid outlet guide pipe 612 are mutually butted, the back of the fixed connecting block 606 is connected with a liquid storage tank 609, the end face of the liquid storage tank 609 is connected with a water pump 610, the bottom of the liquid storage tank 609 is connected with a solenoid valve 611 through a conduit, the other end of the solenoid valve 611 is connected with a liquid outlet conduit 612, the solenoid valve 611 is started under the condition that the water pump 610 is connected with the controller 2 through a wire and the connection mode is electrically connected, the water pump 610 and the solenoid valve 611 are further used for adding liquid into the liquid storage tank 3, and the liquid adding is stopped after the liquid is added to a certain position under the condition that the flowmeter 4 is connected with the controller 2 through the wire and the connection mode is electrically connected, so that the liquid adding work is completed.

The working flow of the utility model is as follows: when the automatic liquid adding device of the liquid chromatograph is used, firstly, the driving motor 601 is started under the condition that the driving motor 601 is connected with the controller 2 through a wire and the connection mode is electrically connected, so that the driving end of the driving motor 601 rotates, the driving screw 602 is driven to rotate under the condition that the driving screw 602 is connected with the bearing seat through a bearing seat, the driving screw 602 is driven to rotate under the condition that the driving screw 602 is connected with the bearing seat through rotation, the driving slide block 603 is connected with the driving slide block 603 through a screw thread, the driving slide block 603 is driven to move under the condition that the connection mode of the driving slide block 603 and the fixed slide rail 604 is in sliding connection, until the liquid inlet guide pipe 5 and the liquid outlet guide pipe 612 are in an aligned position, the electric telescopic rod 605 is started under the condition that the electric telescopic rod 605 is connected with the controller 2 through a wire and the connection mode is electrically connected, the limit guide post 607 and the limit connecting hole 608 are in a clearance fit condition, so that the liquid storage tank 609 is moved, the liquid inlet guide pipe 5 and the liquid outlet guide pipe 612 are mutually butted, the liquid pump 610 is connected with the controller 2 through a wire and the connection mode of the liquid storage slide block 603 is in a sliding connection mode, the condition that the liquid inlet guide pipe 603 is connected with the controller 2 through a wire and the liquid inlet guide pipe is in an electric connection mode of the electric connection mode, the liquid inlet pipe is stopped under the condition that the liquid inlet pipe is connected with the liquid inlet pipe 2 through a 3 and the electric flowmeter is electrically connected with the electromagnetic valve, and the electric flowmeter is electrically connected to the liquid inlet pipe is connected with the 3 through the electric flowmeter, so that the electric connector is electrically connected to the electric flowmeter is connected to the electric flowmeter and the electric connector is connected to the electric flowmeter and to the electric connector.

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

Claims

1. The utility model provides an automatic liquid feeding device of liquid chromatograph, includes connection box (1), its characterized in that: the device is characterized in that a controller (2) is connected to the side wall of the connecting box body (1), a plurality of groups of liquid storage tanks (3) are arranged on the end face of the connecting box body (1), a flowmeter (4) is connected to the end face of the liquid storage tanks (3), a liquid inlet guide pipe (5) is connected to one end of the flowmeter (4), and a liquid adding structure (6) is connected to the back face of the connecting box body (1);

the liquid feeding structure (6) comprises a driving motor (601), the back at connection box (1) is connected to driving motor (601), drive end of driving motor (601) is connected with drive lead screw (602) through the coupling, be connected with drive slider (603) on the lateral wall of drive lead screw (602), be connected with fixed slide rail (604) on the lateral wall of drive slider (603) and be located the both sides symmetry of drive lead screw (602), the back of drive slider (603) is connected with electric telescopic handle (605), fixed connecting block (606) are connected to the drive end of electric telescopic handle (605), be connected with spacing guide pillar (607) around on the lateral wall of fixed connecting block (606) and be located electric telescopic handle (605), the back of drive slider (603) and with spacing guide pillar (607) correspond and seted up spacing connecting hole (608), the back of fixed connecting block (606) is connected with liquid storage pot (609), be connected with water pump (610) on the terminal surface of liquid storage pot (609), the bottom of liquid storage pot (609) is connected with solenoid valve (611) through pipe connection, the other end (611) is connected with drain solenoid valve (612).

2. The automatic liquid adding device for liquid chromatograph according to claim 1, wherein: the liquid storage tanks (3) are provided with four groups and are equidistantly connected to the end face of the connecting box body (1), and the flowmeter (4) is connected with the controller (2) through a wire and is electrically connected.

3. The automatic liquid adding device for liquid chromatograph according to claim 1, wherein: the liquid inlet guide pipe (5) and the liquid outlet guide pipe (612) are correspondingly arranged, a connecting plate is arranged at the connecting end of the liquid inlet guide pipe (5) and the liquid outlet guide pipe (612), and the driving motor (601) is connected with the controller (2) through a wire and is electrically connected.

4. The automatic liquid adding device for liquid chromatograph according to claim 1, wherein: the driving screw rod (602) is connected to the back of the connecting box body (1) through a bearing seat, wherein the driving screw rod (602) is in rotary connection with the bearing seat, and the driving screw rod (602) is in threaded connection with the driving sliding block (603).

5. The automatic liquid adding device for liquid chromatograph according to claim 1, wherein: the driving sliding block (603) is connected with the fixed sliding rail (604) in a sliding mode, the electric telescopic rod (605) is connected with the controller (2) through a wire and is electrically connected in a connecting mode, and the limit guide post (607) is in clearance fit with the limit connecting hole (608).

6. The automatic liquid adding device for liquid chromatograph according to claim 1, wherein: the water pump (610) is connected with the controller (2) through a wire and is electrically connected with the controller (2), and the electromagnetic valve (611) is connected with the controller (2) through a wire and is electrically connected with the controller.