CN212166593U

CN212166593U - SPE solid phase extraction device

Info

Publication number: CN212166593U
Application number: CN202020611855.9U
Authority: CN
Inventors: 李瑞雪; 何微; 朱捷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-18
Anticipated expiration: 2030-04-23

Abstract

The utility model provides a SPE solid phase extraction device, which comprises a box cover, wherein the top of the box cover is provided with a butt joint, the box cover is fixedly connected with a rubber sleeve through the butt joint, the inner side of the rubber sleeve is fixedly connected with a telescopic spring, the four corners of the top of the box cover are fixedly connected with a support column, the top of the support column is fixedly connected with a fixed plate, the fixed plate is movably connected with a sample tube through a fixed joint, the bottom of the fixed plate is fixedly connected with a fixed seat, the inner side of the fixed seat is fixedly connected with a spring, one end of the spring is fixedly connected with a clamping plate, the bottom of the box cover is fixedly connected with an extraction box, the bottom of the extraction box is fixedly connected with a clamping seat, the top of the clamping seat is movably connected with an extraction tube, the sample tube can, the sample tube is broken, and the sealing performance of the extraction tube is improved by adopting the clamping seat, the rubber sleeve and the telescopic spring.

Description

SPE solid phase extraction device

Technical Field

The utility model relates to a solid phase extraction technical field especially relates to a SPE solid phase extraction device.

Background

Solid-Phase Extraction (SPE) is a sample pretreatment technology developed in recent years, is developed by combining liquid-Solid Extraction and column liquid chromatography, 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, is simple to operate, saves time and labor, and is widely applied to the fields of medicines, foods, environments, commercial inspection, chemical industry and the like.

Current solid phase extraction device, when placing the sample cell, the unstability of placing leads to the sample cell to drop from solid phase extraction device easily, leads to the sample cell to be broken, and the insecure of butt joint when solid phase extraction device exists the butt joint extraction tube leads to the poor problem of leakproofness.

Therefore, it is necessary to provide an SPE solid phase extraction device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a SPE solid phase extraction device has solved when placing the sample cell, the unstability of placing and butt joint when butt joint extraction tube lead to the poor problem of leakproofness.

In order to solve the technical problems, the utility model provides a SPE solid phase extraction device, which comprises a box cover, wherein the top of the box cover is provided with a butt joint port, the box cover is fixedly connected with a rubber sleeve through the butt joint port, the inner side of the rubber sleeve is fixedly connected with a telescopic spring, the four corners of the top of the box cover are fixedly connected with support columns, the top of each support column is fixedly connected with a fixed plate, the top of each fixed plate penetrates through a fixed port, the fixed plate is movably connected with a sample tube through the fixed port, the bottom of the fixed plate is fixedly connected with a fixed seat, the inner side of the fixed seat is fixedly connected with a spring, one end of the spring is fixedly connected with a clamping plate, the bottom of the box cover is fixedly connected with an extraction box, the bottom of the extraction box is fixedly connected with a clamping seat, the bottom fixedly connected with vacuum box of extraction box, one side fixedly connected with evacuation pipe of vacuum box, the one end fixedly connected with butt joint of evacuation pipe, the outside fixedly connected with vacuum meter of evacuation pipe, the bottom fixedly connected with base of vacuum box.

Preferably, the diameter of the sample tube is matched with the inner diameter of the fixing port, and the fixing port is movably connected with the sample tube.

Preferably, the fixed port and the butt joint port are provided with ten, the ten fixed ports are arranged at equal intervals, and the fixed ports and the butt joint port are the same in size.

Preferably, the number of the support columns is four, the four support columns are respectively located at four corners of the top of the box cover, and the support columns are vertically erected on the top of the box cover.

Preferably, the rubber sleeve gradually increases from bottom to top, the rubber sleeve is formed by processing a silica gel material, and the rubber sleeve is fixedly connected with the telescopic spring.

Compared with the prior art, the utility model provides a pair of SPE solid phase extraction device has following beneficial effect:

the utility model provides a SPE solid phase extraction device, fixed plate through setting up, a fixed base, spring and cardboard, when using solid phase extraction device, the staff inserts the sample cell in the fixed orifices on the fixed plate, at this moment, cardboard on the fixed base will be outwards extruded by the sample cell, the spring will shrink, after the sample cell docks the interface, the spring will promote the outside of cardboard firmly joint on the sample cell, so that make the more stable that the sample cell can place, even the staff swings solid phase extraction device sample cell can not fall yet, lead to the sample cell to break.

The utility model provides a SPE solid phase extraction device adopts cassette, gum cover and the extension spring that sets up, and when the butt joint extraction tube, the staff installs the extraction tube on the cassette, by the bottom of cassette joint extraction tube, then installs the case lid on the extraction box, at this moment the gum cover will dock on the interface of extraction tube, and the extension spring in the gum cover will stretch the interface of the sealed extraction tube of gum cover, so that the leakproofness of extraction tube has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of an SPE solid-phase extraction device provided by the present invention;

FIG. 2 is a schematic view of a partial structure of the case cover of the present invention;

FIG. 3 is a sectional view of the overall structure of the present invention;

fig. 4 is an enlarged view of a part of the fixing base of the present invention.

Reference numbers in the figures: 1. a base; 2. a vacuum box; 3. evacuating the tube; 4. a vacuum gauge; 5. a butt joint; 6. An extraction box; 601. an extraction tube; 602. a card holder; 603. a liquid outlet pipe; 7. a box cover; 701. a butt joint port; 702. a rubber sleeve; 703. a tension spring; 8. a support pillar; 9. a fixing plate; 901. a fixed port; 902. a fixed seat; 903. a spring; 904. clamping a plate; 10. and (5) sampling the sample tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic diagram of an overall structure of an SPE solid-phase extraction device according to the present invention; FIG. 2 is a schematic view of a partial structure of the case cover of the present invention; FIG. 3 is a sectional view of the overall structure of the present invention; fig. 4 is an enlarged view of a part of the fixing base of the present invention. An SPE solid phase extraction device comprises a box cover 7, wherein the top of the box cover 7 is provided with a butt joint port 701, the box cover 7 is fixedly connected with a rubber sleeve 702 through the butt joint port 701, the inner side of the rubber sleeve 702 is fixedly connected with a telescopic spring 703, four corners of the top of the box cover 7 are fixedly connected with support columns 8, the top of each support column 8 is fixedly connected with a fixing plate 9, the top of each fixing plate 9 penetrates through a fixing port 901, each fixing plate 9 is movably connected with a sample tube 10 through the fixing port 901, the bottom of each fixing plate 9 is fixedly connected with a fixing seat 902, the inner side of each fixing seat 902 is fixedly connected with a spring 903, one end of each spring 903 is fixedly connected with a clamping plate 904, the bottom of the box cover 7 is fixedly connected with an extraction box 6, the bottom of the inner part of each extraction box 6 is fixedly connected with a clamping seat 602, the, one side fixedly connected with evacuation pipe 3 of vacuum chamber 2, the one end fixedly connected with butt joint 5 of evacuation pipe 3, the outside fixedly connected with vacuum gauge 4 of evacuation pipe 3, the bottom fixedly connected with base 1 of vacuum chamber 2.

Further, the diameter of the sample tube 10 is matched with the inner diameter of the fixing port 901, and the fixing port 901 is movably connected with the sample tube 10, so that the sample tube 10 can be conveniently installed by a worker, and the sample tube 10 can be prevented from being more stable.

Furthermore, ten fixing ports 901 and ten butt ports 701 are arranged, the ten fixing ports 901 are arranged at equal intervals, and the size of the fixing ports 901 is the same as that of the butt ports 701, so that the sample tube 10 can be better installed.

Furthermore, four support columns 8 are arranged, the four support columns 8 are respectively located at four corners of the top of the box cover 7, the support columns 8 are vertically erected on the top of the box cover 7, and the support columns 8 support the fixing plate 9 so that the sample tube 10 can be fixed at two positions at the same time.

Further, the rubber sleeve 702 gradually increases from bottom to top, the rubber sleeve 702 is made of a silica gel material, the rubber sleeve 702 is fixedly connected with the telescopic spring 703, when the extraction tube 601 is butted, a worker installs the extraction tube 601 on the clamping seat 602, the clamping seat 602 clamps the bottom of the extraction tube 601, then the box cover 7 is installed on the extraction box 6, at this time, the rubber sleeve 702 is butted on the interface of the extraction tube 601, and the telescopic spring 703 in the rubber sleeve 702 stretches the rubber sleeve 702 to seal the interface of the extraction tube 601.

The utility model provides a pair of SPE solid phase extraction device's theory of operation as follows: firstly, the installation, fixation and safety protection of the utility model are checked, when the solid phase extraction device is used, a worker inserts the sample tube 10 into the fixed port 901 on the fixed plate 9, at this time, the clamping plate 904 on the fixed seat 902 is extruded outwards by the sample tube 10, the spring 903 is contracted, after the sample tube 10 is butted to the butt joint port 701, the spring 903 pushes the clamping plate 904 to be firmly clamped on the outer side of the sample tube 10, when the extraction tube 601 is butted, the worker installs the extraction tube 601 on the clamping seat 602, the bottom of the extraction tube 601 is clamped by the clamping seat 602, then the box cover 7 is installed on the extraction box 6, at this time, the rubber sleeve 702 is butted on the interface of the extraction tube 601, the telescopic spring in the rubber sleeve 702 can stretch the rubber sleeve 702 to seal the interface of the extraction tube 601, then the worker places the article to be extracted into the sample tube 10, the vacuum suction tube is jointed on the butt joint 5, just so accomplish right the utility model discloses a use, the utility model discloses simple structure, convenience safe in utilization.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a SPE solid phase extraction device, includes case lid (7), its characterized in that: the top of the box cover (7) is provided with a butt joint port (701), the box cover (7) is fixedly connected with a rubber sleeve (702) through the butt joint port (701), the inner side of the rubber sleeve (702) is fixedly connected with a telescopic spring (703), four corners of the top of the box cover (7) are fixedly connected with supporting columns (8), the top of each supporting column (8) is fixedly connected with a fixing plate (9), the top of each fixing plate (9) penetrates through a fixing port (901), each fixing plate (9) is movably connected with a sample tube (10) through the fixing port (901), the bottom of each fixing plate (9) is fixedly connected with a fixing seat (902), the inner side of each fixing seat (902) is fixedly connected with a spring (903), one end of each spring (903) is fixedly connected with a clamping plate (904), the bottom of the box cover (7) is fixedly connected with an extraction box (6), and the bottom of the inside of the, the top swing joint of cassette (602) has extraction pipe (601), the bottom fixedly connected with drain pipe (603) of cassette (602), the bottom fixedly connected with vacuum box (2) of extraction box (6), one side fixedly connected with evacuation pipe (3) of vacuum box (2), the one end fixedly connected with butt joint (5) of evacuation pipe (3), the outside fixedly connected with vacuum meter (4) of evacuation pipe (3), the bottom fixedly connected with base (1) of vacuum box (2).

2. The SPE solid phase extraction device according to claim 1, wherein the diameter of the sample tube (10) is adapted to the inner diameter of the fixing port (901), and the fixing port (901) is movably connected to the sample tube (10).

3. The SPE solid phase extraction device according to claim 1, wherein ten fixing ports (901) and ten opposite ports (701) are provided, the ten fixing ports (901) are arranged at equal intervals, and the size of the fixing ports (901) is the same as that of the opposite ports (701).

4. The SPE solid phase extraction device according to claim 1, wherein four support columns (8) are provided, the four support columns (8) are respectively located at four corners of the top of the box cover (7), and the support columns (8) are vertically erected on the top of the box cover (7).

5. The SPE solid phase extraction device according to claim 1, wherein the rubber sleeve (702) is gradually enlarged from bottom to top, the rubber sleeve (702) is made of a silica gel material, and the rubber sleeve (702) is fixedly connected with the extension spring (703).