CN211189200U

CN211189200U - Solid phase extraction device

Info

Publication number: CN211189200U
Application number: CN201922147123.9U
Authority: CN
Inventors: 王梦菡; 魏然; 韩哲慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-07
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a solid phase extraction device relates to the technical field of solid phase extraction, include: the bottom of the first box body is provided with a base; the cover plate is arranged at the top of the first box body, regularly-arranged through holes are formed in the top of the cover plate, a stop block is arranged at the bottom of the cover plate and located at the bottom of the through holes, and a limiting plate is arranged on the inner side wall of the stop block; the utility model discloses the user is when using solid phase extraction post operation drip washing stage, at first, with the top block of solid phase extraction post to between limiting plate and the dog, make solid phase extraction post and through-hole be linked together, secondly, with the external pump of first body butt joint, through the work of pump, to conveying gas in second body and the third body, gas then is through the solid phase extraction post, and the last drip washing liquid is leading-in to the first box in, and then the through-hole on the apron does not receive the pollution, has guaranteed the normal collection of drip washing liquid.

Description

Solid phase extraction device

Technical Field

The utility model belongs to the technical field of the solid phase extraction, specifically be a solid phase extraction device.

Background

The solid phase extraction is a sample pretreatment technology developed in recent years, is developed by combining a liquid-solid extraction technology and a column liquid chromatography technology, is mainly used for separating, purifying and concentrating samples, can improve the recovery rate of analytes compared with the traditional liquid-liquid extraction method, more effectively separates the analytes from interfering components, reduces the sample pretreatment process, and is simple to operate, time-saving and labor-saving. The method is widely applied to the fields of medicine, food, environment, commodity inspection, chemical industry and the like; the main body of the solid phase extraction device is an airtight box body, the side face of the box body is provided with an exhaust port connected with a vacuum pump, the upper cover of the box body is provided with a row of insertion holes, a row of extracting agents are inserted in the insertion process, meanwhile, a test tube is arranged right below the extracting agents to collect liquid flowing out of the extracting agents, the box body is vacuumized, leacheate is dripped into the upper portion of the extracting agents, and leached extracts can be collected below the extracting agents.

When the existing solid-phase extraction device collects the leacheate, the leacheate is easy to pollute when passing through the through holes in the box body, so that a user is not easy to collect liquid.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the current solid phase extraction device among the background art and when collecting the leacheate, the leacheate pollutes easily when passing through the through-hole on the box, leads to the difficult problem of collecting liquid of user, provides a solid phase extraction device.

The utility model adopts the technical scheme as follows:

A solid phase extraction apparatus comprising:

The bottom of the first box body is provided with a base;

The cover plate is arranged at the top of the first box body, regularly-arranged through holes are formed in the top of the cover plate, a stop block is arranged at the bottom of the cover plate and located at the bottom of the through holes, and a limiting plate is arranged on the inner side wall of the stop block;

The top of the cover plate is provided with a second box body, one side of the second box body is provided with a first pipe body, and the through hole is communicated with the second box body;

And the top of the extraction column is fixed on the limiting plate.

The first box body is provided with a through hole, the first box body is provided with a plurality of first pipe bodies, one end of each first pipe body is close to the inside of the corresponding first box body, the inside of each first pipe body is hermetically connected with a second pipe body, the outer side wall of each second pipe body is provided with a plurality of third pipe bodies, and the third pipe bodies are communicated with the through hole.

The outer side wall of the second box body is provided with at least two female buckles, and the outer side wall of the cover plate is provided with a male buckle matched with the female buckle.

And the limiting plate is provided with a friction part.

The bottom of the cover plate is at least provided with two connecting pipes, and the bottom of each connecting pipe is in threaded connection with a supporting rod.

The limiting plate and the stop block are both of U-shaped structures.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

The utility model discloses the user is when using solid phase extraction post operation drip washing stage, at first, with the top block of solid phase extraction post to between limiting plate and the dog, make solid phase extraction post and through-hole be linked together, secondly, with the external pump of first body butt joint, through the work of pump, to conveying gas in second body and the third body, gas then is through the solid phase extraction post, and the last drip washing liquid is leading-in to the first box in, and then the through-hole on the apron does not receive the pollution, has guaranteed the normal collection of drip washing liquid.

Drawings

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

FIG. 2 is a simplified diagram of the split structure of the present invention;

Fig. 3 is an enlarged schematic view of a point a in fig. 1 according to the present invention;

FIG. 4 is a schematic view of the internal structure of the second casing of the present invention;

FIG. 5 is a schematic view of the connection between the stopper and the limiting plate according to the present invention;

Fig. 6 is a schematic view of the top structure of the middle cover plate of the present invention.

The labels in the figure are: 1. a first case; 11. a base; 2. a cover plate; 21. a connecting pipe; 22. a support bar; 23. a limiting plate; 24. a stopper; 25. a friction portion; 26. a through hole; 3. a second case; 31. a female buckle; 32. a sub-buckle; 33. a first pipe body; 34. a second tube body; 35. a third tube; 4. and (4) an extraction column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-6, a solid phase extraction apparatus comprising:

The device comprises a first box body 1, wherein a base 11 is arranged at the bottom of the first box body 1;

The cover plate 2 is arranged at the top of the first box body 1, through holes 26 which are regularly arranged are formed in the top of the cover plate 2, a stop block 24 is arranged at the bottom of the cover plate 2, the stop block 24 is positioned at the bottom of the through holes 26, and a limiting plate 23 is arranged on the inner side wall of the stop block 24;

The top of the cover plate 2 is provided with a second box body 3, one side of the second box body 3 is provided with a first pipe body 33, and the through hole 26 is communicated with the second box body 3;

And the top of the extraction column 4 is fixed on the limiting plate 23.

In this embodiment, specifically, a second tube 34 is hermetically connected to one end of the first tube 33 near the inside of the second box 3, a plurality of third tubes 35 are disposed on an outer side wall of the second tube 34, and the third tubes 35 are communicated with the through holes 26; by the arrangement of the two pipe bodies, gas can be input into the through holes 26 conveniently, and normal leaching is guaranteed.

In this embodiment, specifically, at least two female fasteners 31 are disposed on the outer side wall of the second box 3, and a male fastener 32 matched with the female fastener 31 is disposed on the outer side wall of the cover plate 2; when the second box 3 is connected to the cover plate 2, the second box 3 is fixed on the cover plate 2 through the connection of the female buckle 31 and the male buckle 32, and the cover plate 2 and the first box 1 are sealed by adopting a sealing ring.

In this embodiment, specifically, the limiting plate 23 is provided with a friction portion 25; when the extraction column 4 slides into the limiting plate 23, the friction portion 25 will rub the top of the extraction column 4, so that the extraction column 4 is firmly fixed on the limiting plate 23, and the friction portion 25 is made of rubber.

In this embodiment, specifically, at least two connecting pipes 21 are arranged at the bottom of the cover plate 2, and a support rod 22 is screwed to the bottom of the connecting pipe 21; the connecting tube 21 is used for connecting the support rod 22, the two are connected by a screw thread, and the support rod 22 is used for supporting the cover plate 2 on a supporting surface.

In this embodiment, specifically, the limiting plate 23 and the stopper 24 are both U-shaped structures; the limiting plate 23 is used for limiting the position of the middle part of the extraction column 4, and the stop 24 is used for limiting the top of the extraction column 4.

Working principle, refer to fig. 1-6, when the user uses the extraction column 4 to operate the leaching stage, firstly, the top of the extraction column 4 is clamped between the limiting plate 23 and the stop block 24, so that the extraction column 4 is communicated with the through hole 26, secondly, the first pipe 33 is butted with an external inflator pump, through the work of the inflator pump, gas is conveyed into the second pipe 34 and the third pipe 35, the gas passes through the extraction column 4, finally, the leacheate is guided into the first box 1, further, the through hole 26 on the cover plate 2 is not polluted, the normal collection of the leacheate is ensured, when the second box 3 is connected to the cover plate 2, the second box 3 is stabilized on the cover plate 2 through the connection of the female buckle 31 and the sub buckle 32.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A solid phase extraction apparatus, comprising:

The device comprises a first box body (1), wherein a base (11) is arranged at the bottom of the first box body (1);

The cover plate (2) is arranged at the top of the first box body (1), through holes (26) which are regularly arranged are formed in the top of the cover plate (2), a stop block (24) is arranged at the bottom of the cover plate (2), the stop block (24) is positioned at the bottom of the through holes (26), and a limiting plate (23) is arranged on the inner side wall of the stop block (24);

The top of the cover plate (2) is provided with a second box body (3), one side of the second box body (3) is provided with a first pipe body (33), and the through hole (26) is communicated with the second box body (3);

The top of the extraction column (4) is fixed on the limiting plate (23).

2. A solid phase extraction apparatus as claimed in claim 1 wherein: one end of the first pipe body (33) is close to the inner part of the second box body (3) and is connected with a second pipe body (34) in a sealing mode, a plurality of third pipe bodies (35) are arranged on the outer side wall of the second pipe body (34), and the third pipe bodies (35) are communicated with the through holes (26).

3. A solid phase extraction apparatus as claimed in claim 1 wherein: the lateral wall of second box (3) is provided with two at least box (31), the lateral wall of apron (2) be provided with box (31) complex son detain (32).

4. A solid phase extraction apparatus as claimed in claim 1 wherein: the limiting plate (23) is provided with a friction part (25).

5. A solid phase extraction apparatus as claimed in claim 1 wherein: the bottom of apron (2) is provided with two connecting pipes (21) at least, the bottom spiro union of connecting pipe (21) has bracing piece (22).

6. A solid phase extraction apparatus as claimed in claim 1 wherein: the limiting plate (23) and the stop block (24) are both of U-shaped structures.