CN218357725U

CN218357725U - Sample filtering device for liquid chromatography detection

Info

Publication number: CN218357725U
Application number: CN202222669338.9U
Authority: CN
Inventors: 麻剑南; 贾鑫; 张慧文; 高杰; 董馨; 岳鑫; 孙丽君; 马岚; 张烨; 赵红梅
Original assignee: Inner Mongolia Medical University
Current assignee: Inner Mongolia Medical University
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-01-24
Anticipated expiration: 2032-10-11

Abstract

The utility model provides a sample filter equipment that liquid chromatogram detected, including supporting component and filtering component, the supporting component is including crossing the filter tank, filtering component includes cartridge filter, lower hopper, feed liquor pipe, feeding funnel, connecting pipe, piston plate, slide bar, fluid-discharge tube, row's material pipe and valve. The utility model discloses a push down the slide bar and can drive the piston plate and slide downwards at the inside wall of cartridge filter, thereby realize the pressure boost and filter, solid particle impurity can stay inside the cartridge filter, and pure sample solution after filtering then gets into the filtration jar by the filtration pore of cartridge filter and discharges by the fluid-discharge tube, accomplish filtering operation, solid particle impurity can gather in hopper down, only need open the valve when needing to clear up solid particle impurity, solid particle impurity can be followed and arrange the material pipe and discharged, let in the clear water and wash back filter equipment and can used repeatedly, avoid the wasting of resources that frequent use disposable filter and cylinder caused, can effectively reduce the cost of liquid chromatogram detection achievement.

Description

Sample filtering device for liquid chromatography detection

Technical Field

The utility model relates to a sample filter equipment specifically is sample filter equipment that liquid chromatogram detected belongs to filtration equipment technical field.

Background

Before liquid chromatography detection, a sample is prepared into a solution with a certain concentration (a proper solvent is selected according to the solubility condition of the sample when the solution is prepared), if the sample is well dissolved and has no other impurities, the sample solution can be directly sucked for sample injection, and if the sample has solid particle impurities, the sample solution is filtered once before sample injection;

in a conventional filtering method, a disposable filter and a needle cylinder are combined for filtering solid particle impurities, and a plurality of disposable filters are required to be prepared during liquid chromatography detection, so that the cost of the liquid chromatography detection is increased;

therefore, a sample filtering device for liquid chromatography detection is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is intended to provide a sample filtering apparatus for liquid chromatography detection, so as to solve or alleviate the technical problems in the prior art, and at least provide a useful choice.

The embodiment of the utility model provides a technical scheme is so realized: a sample filtering device for liquid chromatography detection comprises a supporting component and a filtering component, wherein the supporting component comprises a filtering tank, and the filtering component comprises a filtering cylinder, a blanking hopper, a liquid inlet pipe, a feeding hopper, a connecting pipe, a piston plate, a slide rod, a liquid discharge pipe, a discharging pipe and a valve;

the top wall of the interior of the filter tank is fixedly connected with a filter cylinder, the lower surface of the filter tank is provided with a discharging hopper, the discharging hopper is communicated with the filter cylinder, one side of the upper surface of the filter tank is fixedly connected with a liquid inlet pipe, the bottom end of the liquid inlet pipe extends into the interior of the filter cylinder and is close to the bottom of the filter cylinder, a connecting pipe is communicated between the bottom of the feeding hopper and the top end of the liquid inlet pipe, the inner side wall of the filter cylinder is connected with a piston plate in a sliding way, the middle part of the upper surface of the filter tank is connected with a sliding rod in a sliding way, the bottom of the sliding rod is fixedly connected with the upper surface of the piston plate, the bottom of one side of filtering jar intercommunication has the fluid-discharge tube, the bottom intercommunication of hopper has row material pipe down, arrange the lateral wall of material pipe and install the valve.

As further preferable in the present technical solution: the filtering component further comprises a one-way valve, supporting legs and a handle, and the one-way valve is installed at the bottom of the outer side wall of the liquid inlet pipe.

As further preferable in the present technical solution: and supporting legs are uniformly welded on one side of the upper surface of the filter tank.

As further preferable in the present technical solution: the top of the supporting leg is welded at the bottom of the feeding hopper.

As further preferable in the present technical solution: the top of the sliding rod is provided with a handle.

As a further preferred aspect of the present invention: the supporting component further comprises a supporting rod, a supporting plate and a mounting hole, and the supporting rod is uniformly welded on the lower surface of the filtering tank.

As further preferable in the present technical solution: the bottom welding of bracing piece has the backup pad.

As further preferable in the present technical solution: mounting holes are uniformly formed in the lower surface of the supporting plate.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

the utility model discloses a push down the slide bar and can drive the piston plate and slide downwards at the inside wall of cartridge filter, thereby realize the pressure boost and filter, solid particle impurity can stay inside the cartridge filter, and pure sample solution after filtering then gets into the filtration jar by the filtration pore of cartridge filter and discharges by the fluid-discharge tube, accomplish filtering operation, solid particle impurity can gather in hopper down, only need open the valve when needing to clear up solid particle impurity, solid particle impurity can be followed and arrange the material pipe and discharged, let in the clear water and wash back filter equipment and can used repeatedly, avoid the wasting of resources that frequent use disposable filter and cylinder caused, can effectively reduce the cost of liquid chromatogram detection achievement.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

fig. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic view of the internal structure of the canister of the present invention;

fig. 4 is a schematic cross-sectional view of a middle portion of the filter assembly of the present invention.

Reference numerals: 10. a support assembly; 11. a filtration tank; 12. a support bar; 13. a support plate; 14. mounting holes; 20. a filter assembly; 21. a filter cartridge; 22. feeding a hopper; 23. a liquid inlet pipe; 24. a one-way valve; 25. supporting legs; 26. feeding a hopper; 27. a connecting pipe; 28. a piston plate; 29. a slide bar; 210. a handle; 211. a liquid discharge pipe; 212. a discharge pipe; 213. and (4) a valve.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the present invention provides a sample filtering apparatus for liquid chromatography detection, including a supporting component 10 and a filtering component 20, where the supporting component 10 includes a filtering tank 11, and the filtering component 20 includes a filtering cylinder 21, a discharging hopper 22, a liquid inlet pipe 23, a feeding hopper 26, a connecting pipe 27, a piston plate 28, a sliding rod 29, a liquid discharging pipe 211, a discharging pipe 212, and a valve 213;

the top wall of the interior of the filter tank 11 is fixedly connected with a filter cylinder 21, the lower surface of the filter tank 11 is provided with a discharging hopper 22, the discharging hopper 22 is communicated with the filter cylinder 21, one side of the upper surface of the filter tank 11 is fixedly connected with a liquid inlet pipe 23, the bottom end of the liquid inlet pipe 23 extends into the interior of the filter cylinder 21 and is close to the bottom of the filter cylinder 21, a connecting pipe 27 is communicated between the bottom of the upper hopper 26 and the top end of the liquid inlet pipe 23, the inner side wall of the filter cylinder 21 is slidably connected with a piston plate 28, the middle part of the upper surface of the filter tank 11 is slidably connected with a slide rod 29, the bottom of the slide rod 29 is fixedly connected with the upper surface of the piston plate 28, the bottom of one side of the filter tank 11 is communicated with a discharging pipe 211, the bottom end of the discharging hopper 22 is communicated with a discharging pipe 212, and the outer side wall of the discharging pipe 212 is provided with a valve 213; the sample solution is poured into the upper hopper 26, the sample solution enters the filter cylinder 21 through the connecting pipe 27 and the liquid inlet pipe 23, the piston plate 28 can be driven to slide downwards on the inner side wall of the filter cylinder 21 through the downward pressing slide rod 29, so that the pressurized filtration is realized, solid particle impurities can be remained in the filter cylinder 21, the filtered pure sample solution enters the filter tank 11 through the filter hole of the filter cylinder 21 and is discharged through the liquid discharge pipe 211, the filtration work is completed, the solid particle impurities can be accumulated in the lower hopper 22, only the valve 213 needs to be opened when the solid particle impurities need to be cleaned, the solid particle impurities can be discharged from the material discharge pipe 212, the filter device can be reused after being cleaned by introducing clean water, the resource waste caused by frequently using a disposable filter and a needle cylinder is avoided, and the cost of the liquid chromatography detection work can be effectively reduced.

In one embodiment: the filtering assembly 20 further comprises a one-way valve 24, a supporting leg 25 and a handle 210, wherein the one-way valve 24 is mounted at the bottom of the outer side wall of the liquid inlet pipe 23, so that the backflow of the sample solution is prevented.

In one embodiment: even welding in upper surface one side of filtering jar 11 has supporting leg 25, and the top of supporting leg 25 welds in the bottom of feeding funnel 26, can provide the support for filtering jar 11 with the help of supporting leg 25.

In one embodiment: the top of the sliding rod 29 is provided with a handle 210, so that the sliding rod 29 can be moved by moving the handle 210.

In one embodiment: the supporting assembly 10 further comprises a supporting rod 12, a supporting plate 13 and a mounting hole 14, wherein the supporting rod 12 is uniformly welded on the lower surface of the filtering tank 11, so that the filtering tank 11 can be supported conveniently.

In one embodiment: the bottom of the support rod 12 is welded with a support plate 13, and the support plate 13 can increase the support area of the support rod 12.

In one embodiment: mounting hole 14 has evenly been seted up to backup pad 13's lower surface, is convenient for fix backup pad 13 with the help of mounting hole 14, prevents the utility model discloses take place the offset in the filtering process.

The utility model discloses at the during operation: the sample solution is poured into the upper hopper 26, the sample solution enters the filter cylinder 21 through the connecting pipe 27 and the liquid inlet pipe 23, the piston plate 28 can be driven to slide downwards on the inner side wall of the filter cylinder 21 through the downward pressing slide rod 29, so that the pressurized filtration is realized, solid particle impurities can be remained in the filter cylinder 21, the filtered pure sample solution enters the filter tank 11 through the filter hole of the filter cylinder 21 and is discharged through the liquid discharge pipe 211, the filtration work is completed, the solid particle impurities can be accumulated in the lower hopper 22, only the valve 213 needs to be opened when the solid particle impurities need to be cleaned, the solid particle impurities can be discharged from the material discharge pipe 212, the filter device can be reused after being cleaned by introducing clean water, the resource waste caused by frequently using a disposable filter and a needle cylinder is avoided, and the cost of the liquid chromatography detection work can be effectively reduced.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Sample filtration device for liquid chromatography detection, comprising a support assembly (10) and a filter assembly (20), characterized in that: the supporting assembly (10) comprises a filter tank (11), and the filter assembly (20) comprises a filter cylinder (21), a discharging hopper (22), a liquid inlet pipe (23), a feeding hopper (26), a connecting pipe (27), a piston plate (28), a sliding rod (29), a liquid discharge pipe (211), a discharging pipe (212) and a valve (213);

filter inside roof fixedly connected with cartridge filter (21) of jar (11), filter jar (11) lower surface mounting has down hopper (22), hopper (22) and cartridge filter (21) intercommunication down, upper surface one side fixedly connected with feed liquor pipe (23) of filtering jar (11), the bottom of feed liquor pipe (23) stretches into the bottom that cartridge filter (21) is inside and be close to cartridge filter (21), the intercommunication has connecting pipe (27) between the bottom of feeding hopper (26) and the top of feed liquor pipe (23), the inside wall sliding connection of cartridge filter (21) has piston plate (28), the upper surface middle part sliding connection who filters jar (11) has slide bar (29), the upper surface fixed connection of the bottom of slide bar (29) and piston plate (28), one side bottom intercommunication of filtering jar (11) has fluid-discharge tube (211), the bottom intercommunication of hopper (22) has row material pipe (212) down, valve (213) are installed to the lateral wall of row material pipe (212).

2. The liquid chromatography detection sample filtration device of claim 1, wherein: the filter assembly (20) further comprises a one-way valve (24), support legs (25) and a handle (210), and the one-way valve (24) is installed at the bottom of the outer side wall of the liquid inlet pipe (23).

3. The liquid chromatography detection sample filtration device of claim 1, wherein: and supporting legs (25) are uniformly welded on one side of the upper surface of the filter tank (11).

4. The liquid chromatography detection sample filtration device of claim 3, wherein: the top of the supporting legs (25) is welded to the bottom of the upper hopper (26).

5. The liquid chromatography detection sample filtration device of claim 1, wherein: the top of the sliding rod (29) is provided with a handle (210).

6. The liquid chromatography detection sample filtration device of claim 1, wherein: the support assembly (10) further comprises a support rod (12), a support plate (13) and a mounting hole (14), and the support rod (12) is uniformly welded on the lower surface of the filter tank (11).

7. The liquid chromatography detection sample filtration device of claim 6, wherein: the bottom of the support rod (12) is welded with a support plate (13).

8. The liquid chromatography detection sample filtration device of claim 7, wherein: and mounting holes (14) are uniformly formed in the lower surface of the support plate (13).