CN219122127U

CN219122127U - Stable sample injection disc of liquid chromatography-mass spectrometer

Info

Publication number: CN219122127U
Application number: CN202223593779.1U
Authority: CN
Inventors: 毕春晖; 陈济康; 吴海旭
Original assignee: Hangzhou Carrying Test Information Technology Co ltd
Current assignee: Hangzhou Carrying Test Information Technology Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-06-02
Anticipated expiration: 2032-12-24

Abstract

The utility model belongs to the field of sample introduction discs of liquid chromatography-mass spectrometry, and particularly relates to a stable sample introduction disc of a liquid chromatography-mass spectrometry, which comprises a sample introduction disc, a central disc, sample introduction grooves and a stable sleeve, wherein the central disc is fixedly connected with the sample introduction disc, the sample introduction grooves are formed in the sample introduction disc, two symmetrically distributed stable sleeves are adhered to the inside of the sample introduction grooves, a limiting cover is fixedly connected to the inside of the stable sleeve, and springs are arranged in the limiting cover. According to the utility model, the stabilizing sleeve, the spring, the guide pipe and other structures are additionally arranged on the sample injection disc, and the stabilizing sleeve can be pushed to support and clamp the solution bottle through the elastic force of the spring after the solution bottle is placed in the sample injection groove, so that the shaking of the solution bottle in the rotation process of the sample injection disc can be avoided, and the sample injection is more stable.

Description

Stable sample injection disc of liquid chromatography-mass spectrometer

Technical Field

The utility model relates to the technical field of sample introduction discs of liquid chromatography-mass spectrometry, in particular to a stable sample introduction disc of a liquid chromatography-mass spectrometry.

Background

The liquid chromatography-mass spectrometer is mainly applied to industries such as drug metabolism and pharmacokinetics research, clinical pharmacology research, development research of natural drugs (Chinese herbal medicines and the like), neonatal screening, identification of proteins and peptides, residual analysis, poison analysis, environmental analysis-public security, environmental protection, food, tap water, sanitation and epidemic prevention and the like, a prepared solution bottle is required to be placed in a sample injection disc in the using process of the liquid chromatography-mass spectrometer, and then the solution bottle and liquid are sent into the liquid chromatography-mass spectrometer through a sample injection mechanism to carry out chromatographic analysis, but the sample injection disc is required to rotate in the sample injection process in the prior art, and the internally placed solution bottle can shake, so that the sample injection bottle is unstable and is inconvenient to grasp by a manipulator. Accordingly, improvements in the art are needed.

Disclosure of Invention

The utility model aims to provide a stable sample injection disc of a liquid chromatography-mass spectrometer, which solves the problem that the taking is affected by the instability of a solution bottle placed inside the sample injection disc during sample injection.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stable type sampling dish of liquid matter combination appearance, includes sampling dish, center dish, advances a groove, stablizes the cover, fixedly connected with center dish on the sampling dish, advance a groove has been seted up on the sampling dish, advance the inside bonding of a groove and have two symmetrical distribution's stablize the cover, stablize the inside fixedly connected with limiting cover of cover, the inside of limiting cover is provided with the spring.

Preferably, the number of the sample injection grooves is multiple, the sample injection grooves are uniformly distributed on the sample injection disc, and the sample injection grooves can be used for placing a plurality of solution bottles.

Preferably, the shape of the sample introduction groove is diamond, the stabilizing sleeve is made of a silica gel material, and the silica gel material has good anti-skid property.

Preferably, one end of the spring is fixedly connected with the sample feeding disc, the other end of the spring is fixedly connected with the limiting cover, and the spring can support the stabilizing sleeve through elasticity.

Preferably, the inside fixedly connected with pipe of advance appearance dish, the inside sliding connection of pipe has the leading truck, and the pipe can lead the removal of leading truck.

Preferably, the guide frame is fixedly connected with the limiting cover, and the limiting cover can drive the guide frame to move.

Preferably, the guide frame is T-shaped, and the guide frame can limit the limiting cover.

Preferably, the number of the springs is two, the two springs are symmetrically distributed in the stabilizing sleeve, and the two springs can balance the supporting force of the stabilizing sleeve.

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

according to the utility model, the stabilizing sleeve, the spring, the guide pipe and other structures are additionally arranged on the sample injection disc, and the stabilizing sleeve can be pushed to support and clamp the solution bottle through the elastic force of the spring after the solution bottle is placed in the sample injection groove, so that the shaking of the solution bottle in the rotation process of the sample injection disc can be avoided, and the sample injection is more stable.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a top cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 4 is an enlarged view of the structure of the portion a of fig. 3 according to the present utility model.

In the figure: 1. a sample introduction disc; 2. a center plate; 3. a sample introduction groove; 4. a stabilizing sleeve; 5. a limiting cover; 6. a spring; 7. a conduit; 8. and a guide frame.

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.

Please refer to fig. 1, 2, 3, a stable sample introduction disc of a liquid chromatography-mass spectrometry instrument, including sample introduction disc 1, central disc 2, sample introduction groove 3, stable cover 4, fixedly connected with central disc 2 on sample introduction disc 1, sample introduction groove 3 has been seted up on sample introduction disc 1, the quantity of sample introduction groove 3 is a plurality of, a plurality of sample introduction grooves 3 evenly distributed on sample introduction disc 1, a plurality of solution bottles can be placed in a plurality of sample introduction grooves 3, sample introduction groove 3's shape is diamond, stable cover 4 is made by silica gel material, silica gel material has good skid resistance.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, two symmetrically distributed stabilizing sleeves 4 are adhered to the inside of the sample feeding groove 3, a limiting cover 5 is fixedly connected to the inside of the stabilizing sleeves 4, a spring 6 is arranged in the limiting cover 5, one end of the spring 6 is fixedly connected with the sample feeding disc 1, the other end of the spring 6 is fixedly connected with the limiting cover 5, the spring 6 can support the stabilizing sleeves 4 through elasticity, the number of the springs 6 is two, the two springs 6 are symmetrically distributed in the stabilizing sleeves 4, and the two springs 6 can balance the supporting force of the stabilizing sleeves 4.

Referring to fig. 1, 2, 3 and 4, a guide pipe 7 is fixedly connected to the inside of the sample tray 1, a guide frame 8 is slidably connected to the inside of the guide pipe 7, the guide pipe 7 can guide movement of the guide frame 8, the guide frame 8 is fixedly connected with the limiting cover 5, the limiting cover 5 can drive the guide frame 8 to move, the guide frame 8 is of a T-shaped shape, and the guide frame 8 can limit the limiting cover 5.

The specific implementation process of the utility model is as follows: when using, when need put into the inside of sampling tank 3 with the solution bottle, insert the solution bottle into the inside of sampling tank 3 and extrude stable cover 4 at the in-process solution bottle of male, stable cover 4 takes place deformation after being extruded, drive limiting cover 5 and remove, limiting cover 5 drives leading truck 8 at the in-process that removes and slides along pipe 7, and compress spring 6, spring 6 produces elasticity after being compressed, spring 6's elasticity promotes stable cover 4 laminating in the outside of solution bottle, thereby can accomplish the spacing to the solution bottle, can avoid taking place the problem of rocking when sampling dish 1 rotates.

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 a stable type sampling dish of liquid matter combination appearance, includes sampling dish (1), center dish (2), advances kind groove (3), stable cover (4), its characterized in that: sample introduction dish (1) is last fixedly connected with center dish (2), sample introduction groove (3) have been seted up on sample introduction dish (1), sample introduction groove (3) inside bonds has two symmetrical distribution's stable cover (4), the inside fixedly connected with limiting cover (5) of stable cover (4), the inside of limiting cover (5) is provided with spring (6).

2. The stable sample pan of the liquid chromatography-mass spectrometer of claim 1, wherein: the number of the sample injection grooves (3) is multiple, and the sample injection grooves (3) are uniformly distributed on the sample injection disc (1).

3. The stable sample pan of the liquid chromatography-mass spectrometer of claim 1, wherein: the sample introduction groove (3) is diamond-shaped, and the stabilizing sleeve (4) is made of silica gel material.

4. The stable sample pan of the liquid chromatography-mass spectrometer of claim 1, wherein: one end of the spring (6) is fixedly connected with the sample feeding disc (1), and the other end of the spring (6) is fixedly connected with the limiting cover (5).

5. The stable sample pan of the liquid chromatography-mass spectrometer of claim 1, wherein: the inside fixedly connected with pipe (7) of sampling dish (1), the inside sliding connection of pipe (7) has leading truck (8).

6. The stable sample pan of the liquid chromatography-mass spectrometer of claim 5, wherein: the guide frame (8) is fixedly connected with the limiting cover (5).

7. The stable sample pan of the liquid chromatography-mass spectrometer of claim 5, wherein: the guide frame (8) is T-shaped.

8. The stable sample pan of the liquid chromatography-mass spectrometer of claim 1, wherein: the number of the springs (6) is two, and the two springs (6) are symmetrically distributed in the stabilizing sleeve (4).