CN217443267U

CN217443267U - Automatic sample feeding device for liquid chromatography-mass spectrometer

Info

Publication number: CN217443267U
Application number: CN202023013593.5U
Authority: CN
Inventors: 朱丹
Original assignee: Guangzhou Kefu Technology Co ltd
Current assignee: Guangzhou Kefu Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-09-16
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses an autoinjection device for liquid chromatogram mass spectrum allies oneself with appearance, the on-line screen storage device comprises a base, the outer storehouse of fixed surface stirring on the base, the pipe connection is installed to the outer storehouse below of stirring, install pipeline on the pipe connection, the last water pump of installing of pipeline, the base upper surface is located the outer storehouse one side fixed mounting of stirring and has the liquid storage pot, the installation base lower surface is located the equal fixed mounting in four corners position and has fixed stabilizer blade, fixed mounting has sealed lid on the outer storehouse of stirring, fixed mounting is covered in the sealed lid has the motor, the terminal fixed mounting of output of motor has the puddler, be equipped with the installation opening in the outer storehouse of stirring, install the agitator in the installation opening, agitator bottom fixed mounting has the liquid outlet. A autoinjection device for liquid chromatography mass spectrometer, belong to the sampling device field, can convenient and fast take out the agitator and wash.

Description

Automatic sample feeding device for liquid chromatography-mass spectrometer

Technical Field

The utility model relates to a sampling device field, in particular to an autoinjection device for liquid chromatography mass spectrometer.

Background

The liquid chromatogram-mass spectrum combination instrument, LC-MS for short, it is the instrument that liquid chromatogram and mass spectrum are used in combination, it has been combined liquid chromatograph to separate the separation ability of the unstable heat and high boiling point compound and very strong component identification ability of the mass spectrometer effectively, it is an effective means of separating and analyzing the complicated organic mixture, liquid chromatogram and mass spectrum are connected, can increase the extra analytical ability, can accurately identify and quantify the cell and tissue lysate, blood, plasma, urine and trace compound in the complicated sample matrix such as oral cavity liquid, the liquid chromatogram mass spectrum system has offered some unique advantages, including the minimum sample preparation that the rapid analysis and circulation need, high sensitivity and combining can analyze a plurality of compound abilities, can even cross over the kind of compound, high-accuracy, high-resolution identification and quantization target analyte; in order to ensure the accuracy of the measurement result, in the prior art, the sample injection can be performed after single solvents with different polarities or mixed solvents with different proportions are manually and fully mixed before sample injection, and the mixing is generally performed in a stirring barrel, however, the existing stirring barrel is inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an autoinjection device for liquid chromatography-mass spectrometer can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an autoinjection device for liquid chromatography mass spectrometer, the on-line screen storage device comprises a base, the outer storehouse of fixed surface stirring on the base, the pipe connector is installed to the outer storehouse below of stirring, install pipeline on the pipe connector, the last water pump of installing of pipeline, the base upper surface is located the stirring outer storehouse one side fixed mounting and has the liquid storage pot, the installation base lower surface is located the equal fixed mounting in four corners position and has fixed stabilizer blade.

Preferably, fixed mounting has sealed lid on the outer storehouse of stirring, fixed mounting has the motor on the sealed lid, the terminal fixed mounting of output of motor has the puddler, be equipped with the installation opening in the outer storehouse of stirring, install the agitator in the installation opening, agitator bottom fixed mounting has the liquid outlet, the agitator surface is located the installation opening and goes out to install fixed establishment.

Preferably, the agitator is inlayed in installation opening department, the agitator passes through fixed establishment to be fixed on the outer storehouse of stirring, the through-hole has been seted up to the outer storehouse bottom of stirring, the liquid outlet stretches out the outer storehouse of stirring through the through-hole outside.

Preferably, fixing mechanism includes fixed screw, anticreep gasket, installation through-hole and installation screw, the installation screw is seted up in the installation opening, the installation through-hole is seted up on the agitator, fixed mounting has fixed screw in the installation screw, the cover is equipped with the anticreep gasket on the fixed screw.

Preferably, the fixing screw passes through the mixing drum through the mounting through hole and is fixed in the mounting screw hole.

Preferably, the mounting bracket is fixedly mounted on the upper surface of the base, the stirring outer bin is connected with the base through the mounting bracket, and the fixing support legs are fixed on the lower surface of the base through screws.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, the single solvent that has different polarity or the miscella of different proportions can be in the agitator intensive mixing, can have the water pump to carry in the stock solution jar after mixing, can take out the agitator from the installation opening on the outer storehouse of stirring after unscrewing the set screw simultaneously, can make things convenient for the staff to wash it after the agitator takes out.

Drawings

FIG. 1 is a schematic view of the whole structure of an automatic sample introduction device for a liquid chromatography-mass spectrometer of the present invention;

FIG. 2 is a sectional view of the stirring outer bin of the automatic sampling device for a liquid chromatography-mass spectrometer of the present invention;

FIG. 3 is a schematic diagram of an automatic sample introduction device mixing tank for a liquid chromatography-mass spectrometer of the present invention;

fig. 4 is the utility model relates to an autoinjection device fixed establishment schematic diagram for liquid chromatography mass spectrometer.

In the figure: 1. stirring an outer bin; 101. a motor; 102. a sealing cover; 103. installing a notch; 104. a stirring barrel; 105. a stirring rod; 106. a liquid outlet; 2. a pipe connector; 3. a base; 4. a delivery conduit; 5. a water pump; 6. a liquid storage tank; 7. a fixed leg; 8. a fixing mechanism; 801. fixing screws; 802. an anti-drop gasket; 803. mounting a through hole; 804. and installing screw holes.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-4, an autoinjection device for a liquid chromatography-mass spectrometer comprises a base 3, a fixed-surface stirring outer bin 1 is arranged on the base 3, a pipeline connector 2 is installed below the stirring outer bin 1, a conveying pipeline 4 is installed on the pipeline connector 2, a water pump 5 is installed on the conveying pipeline 4, a liquid storage tank 6 is fixedly installed on one side, located at the stirring outer bin 1, of the upper surface of the base 3, fixed support legs 7 are fixedly installed on the lower surface, located at four corners, of the installation base 3, the fixing mechanism 8 comprises fixing screws 801, anti-falling gaskets 802, installation through holes 803 and installation screw holes 804, a fixed-surface installation support is arranged on the base 3, the stirring outer bin 1 is connected with the base 3 through the installation support legs, and the fixing support legs 7 are fixed on the lower surface of the base 3 through screws.

In this embodiment, in order to make solvent intensive mixing, fixed mounting has sealed lid 102 on the outer storehouse of stirring 1, fixed mounting has motor 101 on the sealed lid 102, the terminal fixed mounting of output of motor 101 has puddler 105, be equipped with installation opening 103 in the outer storehouse of stirring 1, install agitator 104 in the installation opening 103, agitator 104 bottom fixed mounting has liquid outlet 106, agitator 104 inlays in installation opening 103 department, the through-hole has been seted up to the outer storehouse of stirring 1 bottom, liquid outlet 106 stretches out the outer storehouse of stirring 1 through the through-hole outside, the solvent can be by puddler 105 intensive mixing mixture in agitator 104, the solvent is discharged by liquid outlet 106 after the stirring mixes.

In this embodiment, in order to fix the stirring barrel 104 in the stirring outer bin 1, an installation screw hole 804 is formed in the stirring outer bin 1 at the installation notch 103, an installation through hole 803 is formed in the stirring barrel 104, a fixing screw 801 is fixedly installed in the installation screw hole 804, an anti-dropping gasket 802 is sleeved on the fixing screw 801, the fixing screw 801 penetrates through the stirring barrel 104 through the installation through hole 803 and is fixed in the installation screw hole 804, and the stirring barrel 104 can be quickly taken out and cleaned after the fixing screw 801 is unscrewed.

It should be noted that, the utility model relates to an automatic sample introduction device for a liquid chromatography-mass spectrometer, a stirring outer bin 1 and a liquid storage tank 6 are respectively installed on a base 3, a stirring barrel 104 is installed in the stirring outer bin 1, a sealing cover 102 is installed on the stirring outer bin 1, a motor 101 is fixedly installed on the sealing cover 102, a stirring rod 105 is arranged at the output end of the motor 101, the stirring barrel 104 is fixed in the stirring outer bin 1 through a fixing mechanism 8, the stirring barrel 104 is connected with the liquid storage tank 6 through a conveying pipeline 4, when in use, a solvent is firstly poured into the stirring barrel 104, then the solution is stirred and mixed by the stirring rod 105 covering the sealing cover 102, the solution after stirring and mixing can be pumped into the liquid storage tank 6 through a water pump 5, the fixing screw 801 can be taken out after the solution is completely pumped out, the stirring barrel 104 can be taken out from an installation notch 103 on the stirring outer bin 1 after the fixing screw 801 is taken out, after the mixing barrel 104 is taken out, the cleaning of workers can be facilitated.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an autoinjection device for liquid chromatogram mass spectrum allies oneself with appearance which characterized in that: the stirring device comprises a base (3), wherein a stirring outer bin (1) is fixed on the upper surface of the base (3), a pipeline connector (2) is installed below the stirring outer bin (1), a conveying pipeline (4) is installed on the pipeline connector (2), a water pump (5) is installed on the conveying pipeline (4), a liquid storage tank (6) is fixedly installed on one side, located on the stirring outer bin (1), of the upper surface of the base (3), and fixing support legs (7) are fixedly installed on the positions, located at four corners, of the lower surface of the base (3); fixed mounting has sealed lid (102) on stirring outer storehouse (1), fixed mounting has motor (101) on sealed lid (102), the terminal fixed mounting of output of motor (101) has puddler (105), be equipped with installation opening (103) in stirring outer storehouse (1), install agitator (104) in installation opening (103), agitator (104) bottom fixed mounting has liquid outlet (106), fixed establishment (8) are installed in agitator (104) surface position in installation opening (103).

2. The automatic sample introduction device for the liquid chromatography-mass spectrometer according to claim 1, characterized in that: the utility model discloses a stirring device, including stirring barrel (104), stirring barrel outside storehouse (1), the through-hole has been seted up to stirring outer storehouse (1), the through-hole stretches out outside the stirring outer storehouse (1) through the through-hole in agitator (104) is inlayed and is located at installation opening (103), agitator (104) are fixed on the stirring outer storehouse (1) through fixed establishment (8), stirring outer storehouse (1) bottom, liquid outlet (106).

3. The automatic sample introduction device for the liquid chromatography-mass spectrometer of claim 1, wherein: fixing mechanism (8) are including fixed screw (801), anticreep gasket (802), installation through-hole (803) and installation screw (804), install in installation opening (103) screw (804), install on agitator (104) through-hole (803), fixed mounting has fixed screw (801) in installation screw (804), the cover is equipped with anticreep gasket (802) on fixed screw (801).

4. The automatic sample introduction device for the liquid chromatography-mass spectrometer of claim 3, wherein: the fixing screw (801) penetrates through the stirring barrel (104) through the mounting through hole (803) and is fixed in the mounting screw hole (804).

5. The automatic sample introduction device for the liquid chromatography-mass spectrometer of claim 1, wherein: the stirring device is characterized in that a mounting support is fixedly mounted on the upper surface of the base (3), the stirring outer bin (1) is connected with the base (3) through the mounting support, and the fixing support legs (7) are fixed on the lower surface of the base (3) through screws.