CN212111277U

CN212111277U - Liquid chromatogram mobile phase holds device

Info

Publication number: CN212111277U
Application number: CN202020646365.2U
Authority: CN
Inventors: 章志尧
Original assignee: Jiangsu Tongji Analytical Instrument Co ltd
Current assignee: Jiangsu Tongji Analytical Instrument Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-08
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a belongs to the technical field of mobile phase containing, in particular to a liquid chromatogram mobile phase containing device, which comprises two brackets, a support rod is connected between the two brackets, a placing groove is vertically arranged on the body of the support rod, a containing bottle is placed in the placing groove, a liquid drainage pipeline is connected below the containing bottle, a gas outlet, a gas inlet and a liquid inlet are arranged at the rear side above the containing bottle, a gas suction pipeline is connected above the gas outlet, a vacuum pump is connected at the other end of the gas suction pipeline, a gas inlet pipeline is connected above the gas inlet, a nitrogen bottle is connected at the other end of the gas inlet pipeline, a liquid inlet pipeline is connected above the liquid inlet, air in the containing bottle can be pumped out through the vacuum pump, and the influence of carbon dioxide and oxygen in the air on the mobile phase in the containing bottle is avoided, the mobile phase in the containing bottle can be pressed out of the containing bottle by the nitrogen in the nitrogen bottle.

Description

Liquid chromatogram mobile phase holds device

Technical Field

The utility model relates to a mobile phase holds technical field, specifically is a liquid chromatogram mobile phase holds device.

Background

The material that carries the component to be measured forward during chromatography is called the mobile phase. And the other phase which is in an equilibrium state with the stationary phase and drives the sample to move forwards. Substances used as mobile phases are: gases, liquids, supercritical fluids, and the like. Common mobile phases are mainly: acetonitrile-water solution, acetonitrile-acetic acid water solution, methanol-water solution, acetonitrile-phosphoric acid water solution, etc. After the flowing phase is prepared, the flowing phase needs to be prevented from contacting with air, and oxygen and carbon dioxide in the air are prevented from damaging the structure and the efficacy of the flowing phase.

The existing mobile phase containing device is not easy to clean due to the narrow bottle mouth, and the mobile phase containing device is sealed, so that the mobile phase is not easy to flow out of the mobile phase containing device under the action of atmospheric pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid chromatogram mobile phase holds device to current mobile phase that provides holds device in solving above-mentioned background art is difficult for wasing and the difficult problem that flows.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid chromatography mobile phase containing device comprises two brackets, a support rod is connected between the two brackets, a placing groove is longitudinally arranged on the body of the supporting rod, a containing bottle is placed in the placing groove, a liquid drainage pipeline is connected below the containing bottle, an air outlet, an air inlet and a liquid inlet are arranged at the rear side above the containing bottle, an air suction pipeline is connected above the air outlet, the other end of the air suction pipeline is connected with a vacuum pump, an air inlet pipeline is connected above the air inlet, the other end of the air inlet pipeline is connected with a nitrogen bottle, a liquid inlet pipeline is connected above the liquid inlet, valves are arranged on the bodies of the liquid discharge pipeline, the air suction pipeline, the air inlet pipeline and the liquid inlet pipeline, the body of the liquid inlet pipeline is provided with a filtering device, and the filtering device is arranged on the right side of the valve on the body of the liquid inlet pipeline.

Preferably, the containing bottle comprises a bottle body and a bottle cap, the bottle body is in threaded connection with the bottle cap, the bottle cap is arranged below the bottle body and is of a funnel-shaped structure, the bottle cap is communicated with the liquid drainage pipeline, and the gas outlet, the gas inlet and the liquid inlet are all arranged above the bottle body.

Preferably, a handle is arranged above the bottle body.

Preferably, a rubber pad is arranged on the outer side of the containing bottle.

Preferably, the place ahead of the standing groove on the bracing piece body is provided with the open slot, the outer wall below cover of standing groove is equipped with the magic subsides.

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

1) the bottle body is connected with the bottle cap through threads, and the bottle cap can be conveniently detached from the bottle body through the threads, so that the interior of the bottle is conveniently cleaned;

2) the air in the containing bottle can be pumped out through the vacuum pump, the influence of carbon dioxide and oxygen in the air on the mobile phase in the containing bottle is avoided, and the mobile phase in the containing bottle can be pressed out from the containing bottle through nitrogen in the nitrogen bottle.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the bracket of the present invention;

fig. 3 is a schematic view of the main structure of the bottle of the present invention.

In the figure: 1 support, 2 bracing pieces, 3 hold the bottle, 31 gas outlet, 32 air inlets, 33 liquid inlet 34 bottle lids, 35 body, 4 handles, 5 magic subsides, 6 drain lines, 7 suction line, 8 inlet lines, 9 liquid inlet lines, 10 filter equipment, 11 vacuum pump, 12 nitrogen gas bottles, 13 valves.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a liquid chromatogram mobile phase containing device comprises two supports 1, a support rod 2 is connected between the two supports 1, two ends of the support rod 2 are welded on bodies of the two supports 1, a placing groove is longitudinally arranged on the body of the support rod 2, a cylinder is arranged above the placing groove, an inverted round table is arranged below the placing groove, a containing bottle 3 is placed in the placing groove, a liquid discharge pipeline 6 is connected below the containing bottle 3, an air outlet 31, an air inlet 32 and a liquid inlet 33 are arranged on the rear side above the containing bottle 3, an air suction pipeline 7 is connected above the air outlet 31, a vacuum pump 11 is connected with the other end of the air suction pipeline 7, an air inlet pipeline 8 is connected above the air inlet 32, a nitrogen bottle 12 is connected with the other end of the air inlet pipeline 8, a liquid inlet pipeline 9 is connected above the liquid inlet 33, valves 13 are arranged on the bodies of the liquid discharge pipeline 6, the air suction pipeline, be provided with filter equipment 10 on the body of inlet conduit 9, the filter core has been placed to filter equipment 10's inside, and the filter core can be with the impurity in the mobile phase, the right side of filter equipment 10 valve 13 on the inlet conduit 9 body.

Hold bottle 3 and include body 35 and bottle lid 34, body 35 and bottle lid 34 pass through threaded connection, and threaded connection can conveniently be dismantled bottle lid 34 from body 35 to the inside of holding bottle 3 is washd to the convenience, and bottle lid 34 is in the below of body 35, and bottle lid 34 is funnel type structure, and bottle lid 34 and flowing back pipeline 6 intercommunication, and gas outlet 31, air inlet 32 and inlet 33 all are in the top of body 35.

The handle 4 is arranged above the bottle body 35, and the bottle 3 can be conveniently lifted and placed by the handle 4.

The outer side of the containing bottle 3 is provided with a rubber pad which can prevent vibration.

The place ahead of the standing groove on the 2 bodies of bracing piece is provided with the open slot, and the open slot is stretched out to the front side that holds bottle 3 in the standing groove, and the outer wall below cover of standing groove is equipped with magic subsides 5, and magic subsides 5 will hold bottle 3 and fix at the standing groove.

The working principle is as follows: when the mobile phase is added into the containing bottle 3, all the valves 13 are closed, the valve 13 on the air suction pipeline 7 is opened, the vacuum pump 11 is started, the vacuum pump 11 pumps out air in the containing bottle 3 through the air suction pipeline 7, the valve 13 on the air suction pipeline 7 is closed, the other end of the liquid inlet pipeline 9 is connected with the mobile phase to be contained, the valve 13 on the liquid inlet pipeline 9 is opened, the mobile phase is input from the liquid inlet pipeline 9, the mobile phase flows into the containing bottle 3 through the liquid inlet pipeline 9, the valve 13 on the liquid inlet pipeline 9 is closed after the containing bottle 3 is full, when the mobile phase needs to be released, the valve 13 on the liquid discharge pipeline 6 body is opened first, then the valve 13 on the air inlet pipeline 8 is opened, nitrogen enters the containing bottle 3 through the air inlet pipeline 8, and the mobile phase in the containing bottle 3 is discharged from the liquid discharge pipeline 6 under the pressure of the nitrogen.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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 invention 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

1. The utility model provides a liquid chromatogram mobile phase holds device, includes two supports (1), its characterized in that: a supporting rod (2) is connected between the two supports (1), a placing groove is longitudinally arranged on the body of the supporting rod (2), a containing bottle (3) is placed in the placing groove, a liquid discharge pipeline (6) is connected below the containing bottle (3), a gas outlet (31), a gas inlet (32) and a liquid inlet (33) are arranged on the rear side of the upper portion of the containing bottle (3), a gas suction pipeline (7) is connected above the gas outlet (31), a vacuum pump (11) is connected at the other end of the gas suction pipeline (7), a gas inlet pipeline (8) is connected above the gas inlet (32), a nitrogen bottle (12) is connected at the other end of the gas inlet pipeline (8), a liquid inlet pipeline (9) is connected above the liquid inlet (33), and valves (13) are arranged on the bodies of the liquid discharge pipeline (6), the gas suction pipeline (7), the gas inlet pipeline (8) and the liquid inlet pipeline (9), the filter device is characterized in that a filtering device (10) is arranged on the body of the liquid inlet pipeline (9), and the filtering device (10) is arranged on the right side of a valve (13) on the body of the liquid inlet pipeline (9).

2. The liquid chromatography mobile phase containing device as claimed in claim 1, wherein: it includes body (35) and bottle lid (34) to hold bottle (3), body (35) and bottle lid (34) are through threaded connection, bottle lid (34) are in the below of body (35), bottle lid (34) are funnel type structure, bottle lid (34) and drain pipe (6) intercommunication, gas outlet (31), air inlet (32) and inlet (33) are all in the top of body (35).

3. The liquid chromatography mobile phase containing device as claimed in claim 2, wherein: a handle (4) is arranged above the bottle body (35).

4. The liquid chromatography mobile phase containing device as claimed in claim 2, wherein: a rubber pad is arranged on the outer side of the containing bottle (3).

5. The liquid chromatography mobile phase containing device as claimed in claim 1, wherein: the place ahead of the standing groove on the bracing piece (2) body is provided with the open slot, the outer wall below cover of standing groove is equipped with magic subsides (5).