CN219209060U

CN219209060U - Solid phase extraction device

Info

Publication number: CN219209060U
Application number: CN202320112699.5U
Authority: CN
Inventors: 邓国凤
Original assignee: Dinghua International Certification Shenzhen Co ltd
Current assignee: Dinghua International Certification Shenzhen Co ltd
Priority date: 2023-01-14
Filing date: 2023-01-14
Publication date: 2023-06-20
Anticipated expiration: 2033-01-14

Abstract

The utility model discloses a solid-phase extraction device, which comprises a shell seat, wherein a support plate is assembled at the top of the shell seat, a top plate is arranged above the shell seat, a sleeve seat with specification distribution is fixedly arranged at the top of the top plate, an upper branch pipe is fixedly connected to the bottom side of the top plate, a pressure dividing pump is assembled on the upper branch pipe, a total air pipe is fixedly connected to the bottom end of the upper branch pipe, and a total pressure pump communicated with the input end of the total air pipe is fixedly arranged on the outer wall of the shell seat; this solid phase extraction device, through the setting of total tracheal between shell seat and the roof, can carry out unified pressure control to the inboard solid phase extraction post of each group seat of stack, and when need carrying out pressure control to single extraction post, only need single partial pressure pump on the regulation relevant position carry out pressure control to it, solve current device and only can carry out unified pressure control to multiunit solid phase extraction post and can not regulate and control the problem that single solid phase extraction post receives pressure according to the demand.

Description

Solid phase extraction device

Technical Field

The utility model relates to the technical field of solid phase extraction, in particular to a solid phase extraction device.

Background

The solid phase extraction is a sample pretreatment technology developed in recent years and is mainly used for separating, purifying and concentrating samples by combining a liquid-solid extraction column and a liquid chromatography technology, compared with the traditional liquid-liquid extraction method, the recovery rate of the analyte can be improved, the analyte and the interference components can be more effectively separated, the sample pretreatment process is reduced, and the operation is simple, time-saving and labor-saving. Is widely applied to the fields of medicine, food, environment, business inspection, chemical industry and the like.

Through retrieval, in the application with the patent application number of CN201810180308.7, a solid-phase extraction device is disclosed, the solid-phase extraction device comprises a complete machine shell, the upper surface of the complete machine shell is provided with a sealing upper cover, a ventilation rubber cylinder is fixedly arranged on the sealing upper cover, a dropping needle is fixedly arranged through the ventilation rubber cylinder, one side of the ventilation rubber cylinder is connected with a ventilation elbow, a filtering connector is arranged on the ventilation elbow, the lower end of the ventilation rubber cylinder is connected with a solid-phase cavity column, the upper end and the lower end of the solid-phase cavity column are both provided with adsorption filler sieve plates, the inner surface of the complete machine shell is fixedly provided with a '' shaped placing groove, a push-pull solid-phase column support is arranged in the '' shaped placing groove, a plurality of inserting holes matched with the positions of the solid-phase cavity column are arranged on the push-pull solid-phase column support, and wear-resistant rubber pads are arranged in the inserting holes; the arrangement of the components can reduce the operation difficulty to a certain extent, but the extraction is still performed in a unified pressure control mode, and the pressure of different extraction columns cannot be controlled singly according to the requirements.

We therefore propose a solid phase extraction device.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a solid phase extraction device, which solves the problem that the existing device can only perform uniform pressure control on a plurality of groups of solid phase extraction columns and can not regulate and control the pressure born by a single solid phase extraction column according to the requirement.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a solid-phase extraction device, includes the shell seat, the top of shell seat is equipped with the extension board, the top of shell seat is provided with the roof, the top fixed mounting of roof has the cover seat that the specification distributes, the bottom side fixedly connected with of roof goes up the branch pipe, upward be equipped with the branch pump on the branch pipe, the bottom fixedly connected with total trachea of branch pipe, and fixed mounting has the total pump that is linked together with total trachea input on the outer wall of shell seat.

Preferably, the inner side of the shell seat is a closed cavity, an air groove is formed in the outer wall of the shell seat, and the shell seat is sleeved with the output end of the hot air blower through the air groove.

Preferably, a pumping hole communicated with the pumping pump output end is formed in the outer wall of the shell seat.

Preferably, the support plate is provided with liquid holes which are the same in number with the sleeve seats and are opposite in position, the top side of the support plate is fixedly connected with a lower branch pipe which is communicated with the liquid holes, and the lower branch pipe is also communicated with the inner cavity of the main air pipe.

Preferably, the outer side of the shell seat is provided with a corresponding control seat, and the control seat can regulate and control the total pressure pump and each component pressure pump.

Preferably, the inner wall of the top side of the sleeve seat is provided with a corresponding thread ring, and the sleeve seat is in threaded sleeve connection with the solid-phase extraction column through the thread ring.

Preferably, a plastic seat matched with the specification of the air groove and the suction hole can be pressed on the side wall of the shell seat.

The utility model provides a solid phase extraction device. The beneficial effects are as follows:

this solid phase extraction device, through the setting of total tracheal between shell seat and the roof, can carry out unified pressure control to the inboard solid phase extraction post of each group seat of stack, and when need carrying out pressure control to single extraction post, only need single partial pressure pump on the regulation relevant position carry out pressure control to it, solve current device and only can carry out unified pressure control to multiunit solid phase extraction post and can not regulate and control the problem that single solid phase extraction post receives pressure according to the demand.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the left side view of the present utility model;

FIG. 3 is a right side view of the present utility model;

FIG. 4 is a schematic view of the top side of the present utility model;

FIG. 5 is a schematic view of the top plate of the present utility model;

fig. 6 is a schematic view of the structure of the bottom side of the support plate of the present utility model.

In the figure: 1. a housing base; 2. a top plate; 3. a support plate; 4. a total pressure pump; 5. a main air pipe; 6. a sleeve seat; 7. an upper branch pipe; 8. a split pressure pump; 9. an air tank; 10. drawing holes; 11. a lower branch pipe; 12. and (5) a liquid hole.

Description of the embodiments

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.

Referring to fig. 1-6, the embodiment of the present utility model provides a technical solution: the solid phase extraction device comprises a shell seat 1, wherein a support plate 3 is assembled at the top of the shell seat 1, a top plate 2 is arranged above the shell seat 1, a sleeve seat 6 with specification distribution is fixedly arranged at the top of the top plate 2, an upper branch pipe 7 is fixedly connected to the bottom side of the top plate 2, a pressure dividing pump 8 is assembled on the upper branch pipe 7, a total air pipe 5 is fixedly connected to the bottom end of the upper branch pipe 7, and a total pressure pump 4 communicated with the input end of the total air pipe 5 is fixedly arranged on the outer wall of the shell seat 1;

in this embodiment, it should be noted that, by setting the main air pipe 5 between the shell seat 1 and the top plate 2, the solid phase extraction device can perform uniform pressure control on the solid phase extraction columns inside each group of the sleeve seats 6, and when pressure control on a single extraction column is required, only the partial pressure pump 8 on the corresponding position is required to be adjusted singly to perform pressure control on the single extraction column, so that the problem that the existing device can only perform uniform pressure control on multiple groups of solid phase extraction columns and cannot regulate and control the pressure on the single solid phase extraction column according to requirements is solved.

In this embodiment, it should be noted that, the inner side of the housing 1 is a closed cavity, the outer wall of the housing 1 is provided with an air groove 9, and the housing 1 is sleeved with the output end of the air heater through the air groove 9.

In this embodiment, it should be noted that, the outer wall of the housing 1 is provided with a pumping hole 10 that is communicated with the output end of the pump.

In this embodiment, it should be noted that, the support plate 3 is provided with liquid holes 12 in the same number and opposite positions to the sockets 6, the top side of the support plate 3 is fixedly connected with a lower branch pipe 11 communicated with the liquid holes 12, and the lower branch pipe 11 is also communicated with the inner cavity of the main air pipe 5.

In the present embodiment, it should be noted that, a corresponding control seat is mounted on the outer side of the housing seat 1, and the control seat can regulate and control the total pressure pump 4 and each component pressure pump 8.

In this embodiment, it should be noted that, a corresponding thread ring is provided on the inner wall of the top side of the socket 6, and the socket 6 is in threaded fit with the solid phase extraction column through the thread ring.

In this embodiment, it should be noted that, a plastic seat adapted to the specifications of the air tank 9 and the suction hole 10 may be pressed on the sidewall of the housing seat 1.

The working principle and the using flow of the utility model are as follows: when the device works, each component solid-phase extraction column is tightly twisted in the sleeve seat 6, then the total pressure pump 4 is opened to uniformly regulate and control the pressure born by each group of solid-phase extraction columns, and when single regulation and control are needed, the effect of single regulation and control on each group of solid-phase extraction columns can be achieved only by independently regulating and controlling the partial pressure pump 8 at the corresponding position, in addition, waste liquid is discharged into the shell seat 1, liquid suction is carried out on the waste liquid by matching the suction holes 10 with the suction pump, after liquid suction is finished, hot air is filled into the shell seat 1 through the air groove 9, and the waste liquid remained on the inner wall and the inner wall of each pipe body is dried.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in 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 utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A solid phase extraction device, characterized in that: including shell seat (1), the top of shell seat (1) is equipped with extension board (3), the top of shell seat (1) is provided with roof (2), the top fixed mounting of roof (2) has cover seat (6) of specification distribution, the downside fixedly connected with of roof (2) goes up branch pipe (7), be equipped with on last branch pipe (7) and divide pump (8), the bottom fixedly connected with total trachea (5) of last branch pipe (7), and fixed mounting has total pump (4) that are linked together with total trachea (5) input on the outer wall of shell seat (1).

2. A solid phase extraction apparatus according to claim 1, wherein: the inner side of the shell seat (1) is a closed cavity, an air groove (9) is formed in the outer wall of the shell seat (1), and the shell seat (1) is sleeved with the output end of the air heater through the air groove (9).

3. A solid phase extraction apparatus according to claim 1, wherein: and a pumping hole (10) communicated with the pumping pump output end is formed in the outer wall of the shell seat (1).

4. A solid phase extraction apparatus according to claim 1, wherein: the support plate (3) is provided with liquid holes (12) which are the same as the sleeve seats (6) in number and opposite in position, the top side of the support plate (3) is fixedly connected with a lower branch pipe (11) which is communicated with the liquid holes (12), and the lower branch pipe (11) is also communicated with the inner cavity of the main air pipe (5).

5. A solid phase extraction apparatus according to claim 1, wherein: the outer side of the shell seat (1) is provided with a corresponding control seat, and the control seat can regulate and control the total pressure pump (4) and each component pressure pump (8).

6. A solid phase extraction apparatus according to claim 1, wherein: corresponding thread rings are arranged on the inner wall of the top side of the sleeve seat (6), and the sleeve seat (6) is in thread sleeve connection with the solid phase extraction column through the thread rings.

7. A solid phase extraction apparatus according to claim 1, wherein: the side wall of the shell seat (1) can be provided with a plastic seat in a pressing mode, and the plastic seat is matched with the specification of the air groove (9) and the drawing hole (10).