CN219002050U

CN219002050U - Simple and efficient solid phase extraction device

Info

Publication number: CN219002050U
Application number: CN202223434468.0U
Authority: CN
Inventors: 张勇; 陈冬冬; 王艳红; 杨宝山; 刘源清; 袁洪冰
Original assignee: Anhui Haifeng Analysis And Testing Technology Co ltd
Current assignee: Anhui Haifeng Analysis And Testing Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-12
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a simple and efficient solid-phase extraction device which comprises a bottom plate, wherein support columns are fixedly connected to two sides of the top of the bottom plate, a connecting rod is fixedly connected between the tops of the two support columns, a liquid adding pipe is connected to the connecting rod in a sliding mode, and a connecting plate II is fixedly connected to the bottom of the space between the two support columns. Through setting up recess one, splint, card post and draw-in groove, splint rotate in recess one through the pivot, when the card post inserts slowly in the draw-in groove, the fixture block can block the card post to fix splint and grip block, realize fixing the transfer pipe, prevent the landing; through setting up baffle, spring, pull rod and fixture block, drive the baffle through upwards pulling the pull rod and upwards remove, can compress the spring, drive the fixture block and upwards move when the baffle upwards moves, when the fixture block all removes in the recess two, can take out the draw-in groove with the draw-in column, realize opening splint, conveniently take the transfer pipe.

Description

Simple and efficient solid phase extraction device

Technical Field

The utility model relates to a simple and efficient solid phase extraction device, and belongs to the technical field of solid phase extraction.

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. Activation and elution are performed during solid phase extraction.

In the prior art, for example, the Chinese patent number is: the simple detection solid-phase extraction device of CN210674313U comprises a fixing frame, a first supporting rod, a second supporting rod, a liquid adding pipe, a transfer pipe and an extraction pipe which are arranged from top to bottom. The upper surface of mount has seted up a plurality of through-holes, extract the pipe place in on the through-hole, first bracing piece the second bracing piece all the level is fixed in on the mount, just first bracing piece is located the second bracing piece top. The simple detection solid-phase extraction device has the beneficial effects that the reagent is added into the transfer tube through the liquid adding tube, and then the reagent is added into the extraction tube through the transfer tube. The liquid adding pipe slides and is easy to replace, so that the liquid adding pipe can be replaced quickly when different reagents are needed, and the flow speed regulator is arranged on the transfer pipe, so that the adding speed of the reagents can be regulated according to the requirements of different extraction reactions, and the efficient reaction is facilitated.

But among the prior art, after the liquid drips the extraction pipe through the transfer pipe, can't take the transfer pipe, be inconvenient for wasing it, probably have the liquid adhesion on the transfer pipe inner wall, influence next liquid and drip.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and overcoming the defects in the prior art, and designs a simple and efficient solid-phase extraction device capable of conveniently taking a transfer tube.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the utility model provides a simple and easy efficient solid-phase extraction device, includes the bottom plate, the equal fixedly connected with support column in top both sides of bottom plate, two fixedly connected with connecting rod between the top of support column, sliding connection has the liquid feeding pipe on the connecting rod, two the fixedly connected with connecting plate two in position of bottom between the support column, two be located the fixedly connected with connecting plate one of connecting plate two top between the support column, sliding connection has the sleeve on the support column, threaded connection has hold-down bolt on the sleeve, two be provided with clamping assembly between the sleeve.

Preferably, four placing through grooves are uniformly formed in the first connecting plate, and four placing bottom grooves are uniformly formed in the second connecting plate.

Preferably, the placing through groove is aligned with the placing bottom groove, an extraction pipe is arranged between the placing through groove and the placing bottom groove, and sponge pads are arranged on the inner walls of the placing through groove and the extraction pipe.

Preferably, the clamping assembly comprises a clamping plate fixedly connected with the sleeve, a first groove is formed in the clamping plate, and a clamping plate is connected to the first groove in a rotating mode through a rotating shaft.

Preferably, a clamping column is fixedly connected to one side of the clamping plate, a clamping groove is formed in one side of the clamping plate, the clamping column is matched with the clamping groove, and anti-slip pads are arranged on one side of the clamping plate and one side of the clamping plate.

Preferably, a second groove is formed in the clamping plate and is communicated with the clamping groove, a baffle is connected in the second groove in a sliding mode, a spring is fixedly connected to one side of the baffle, and one end of the spring is fixedly connected with the top of the second groove.

Preferably, one side of the baffle is fixedly connected with a pull rod, the pull rod passes through the second groove to reach the outer side of the clamping plate, and the other side of the pull rod is fixedly connected with a clamping block.

The utility model has the beneficial effects that:

1. through setting up recess one, splint, card post and draw-in groove, splint rotate in recess one through the pivot, when the card post inserts slowly in the draw-in groove, the fixture block can block the card post to fix splint and grip block, realize fixing the transfer pipe, prevent the landing;

2. through setting up baffle, spring, pull rod and fixture block, drive the baffle through upwards pulling the pull rod and upwards remove, can compress the spring simultaneously, drive the fixture block and upwards move when the baffle upwards moves, when the fixture block all removes in the recess two, can take out the draw-in groove with the draw-in column, realize opening splint, conveniently take the transfer pipe.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic perspective sectional structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at A;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2.

Reference numerals: 1. a bottom plate; 2. a support column; 3. a connecting rod; 4. a sleeve; 5. a compression bolt; 6. a clamping assembly; 61. a clamping plate; 62. a groove I; 63. a clamping plate; 64. a clamping column; 65. a clamping groove; 66. a second groove; 67. a baffle; 68. a spring; 69. a pull rod; 610. a clamping block; 7. a first connecting plate; 8. placing a through groove; 9. a second connecting plate; 10. placing a bottom groove; 11. an extraction tube; 12. a liquid adding tube.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

Example 1

As shown in fig. 1 and fig. 2, the simple and efficient solid-phase extraction device provided by the utility model comprises a bottom plate 1, wherein two sides of the top of the bottom plate 1 are fixedly connected with support columns 2, a connecting rod 3 is fixedly connected between the tops of the two support columns 2, a liquid adding pipe 12 is slidingly connected to the connecting rod 3, a connecting plate two 9 is fixedly connected to the bottom of the two support columns 2, a connecting plate one 7 is fixedly connected to the position, above the connecting plate two 9, of the two support columns 2, a sleeve 4 is slidingly connected to the support columns 2, a compression bolt 5 is in threaded connection with the sleeve 4, a clamping assembly 6 is arranged between the two sleeves 4, four placing through grooves 8 are uniformly formed in the connecting plate one 7, four placing bottom grooves 10 are uniformly formed in the connecting plate two 9, the placing through grooves 8 are aligned with the placing bottom grooves 10, an extraction pipe 11 is arranged between the placing through grooves 8 and the placing bottom grooves 10, and sponge pads are arranged on the inner walls of the placing through grooves 8 and the extraction pipe 11.

In this embodiment, the foam-rubber cushion disposed on the through-placing groove 8 and the bottom-placing groove 10 can ensure that the extraction tube 11 will not be broken due to friction or collision with the side walls of the through-placing groove 8 and the bottom-placing groove 10.

Example 2

As shown in fig. 3 and fig. 4, compared with the embodiment 1, the simple and efficient solid-phase extraction device provided by the utility model further comprises a clamping assembly 6, the clamping assembly 6 comprises a clamping plate 61 fixedly connected with the sleeve 4, a first groove 62 is formed in the clamping plate 61, the first groove 62 is rotationally connected with a clamping plate 63 through a rotating shaft, one side of the clamping plate 63 is fixedly connected with a clamping column 64, one side of the clamping plate 61 is provided with a clamping groove 65, the clamping column 64 is matched with the clamping groove 65, one side of the clamping plate 63 and one side of the clamping plate 61 are both provided with anti-slip pads, a second groove 66 is formed in the clamping plate 61, the second groove 66 is communicated with the clamping groove 65, a baffle 67 is slidingly connected in the second groove 66, one side of the baffle 67 is fixedly connected with a spring 68, one end of the spring 68 is fixedly connected with the top of the second groove 66, one side of the baffle 67 is fixedly connected with a pull rod 69, the pull rod 69 passes through the second groove 66 to the outer side of the clamping plate 61, and the other side of the pull rod 69 is fixedly connected with a clamping block 610.

In this embodiment, the anti-slip pad is disposed on one side of the clamping plate 61 and one side of the clamping plate 63 to prevent the transfer tube from sliding after being fixed, so that the transfer tube is prevented from falling off, the pull rod 69 is pulled upwards, the baffle 67 is driven to move upwards by the movement of the pull rod 69, the spring 68 is compressed by the upward movement of the baffle 67, and meanwhile, the clamping block 610 moves upwards, so that the transfer tube can be removed when the clamping block 610 moves to a proper position.

Working principle: according to the simple and efficient solid-phase extraction device provided by the utility model, firstly, the extraction tube 11 is placed from the upper end of the placing through groove 8, the bottom of the extraction tube 11 is placed on the placing bottom groove 10, then the compression bolt 5 is rotated, the sleeve 4 can slide on the support column 2, a proper position is selected according to the lengths of the extraction tube 11 and the transfer tube, the sleeve 4 is fixed on the support column 2 by rotating the compression bolt 5, then the transfer tube is fixed on the clamping plate 61, liquid is dripped into the transfer tube through the sliding liquid adding tube 12, then dripped into the extraction tube 11, the transfer tube fixing process is to rotate the clamping plate 63 through the rotating shaft, the transfer tube is placed on the clamping plate 61, the clamping plate 63 is rotated to one side of the clamping plate 61, the clamping column 64 is slowly inserted into the clamping groove 65, when the clamping column 64 touches the clamping block 610, the clamping block 610 is jacked upwards, the baffle 67 is driven to move upwards, the spring 68 is compressed, then the clamping block 67 is driven to move upwards, when the front side of the clamping column 64 is moved to the rear side of the clamping block 610, the clamping block 67 is driven to move upwards, the clamping block 67 is required to move upwards, and the clamping block 67 is simultaneously to move upwards, the clamping block 67 is moved upwards, the clamping block is required to move the clamping block 67 is moved upwards, and the clamping block is moved to move the clamping block 67 is simultaneously, and the clamping 67 is moved upwards to move upwards.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The utility model provides a simple and easy efficient solid-phase extraction device, its characterized in that, including bottom plate (1), the equal fixedly connected with support column (2) in top both sides of bottom plate (1), two fixedly connected with connecting rod (3) between the top of support column (2), sliding connection has liquid feeding pipe (12) on connecting rod (3), two fixedly connected with connecting plate two (9) in the position of bottom between support column (2), two be located fixedly connected with connecting plate one (7) in connecting plate two (9) top between support column (2), sliding connection has sleeve (4) on support column (2), threaded connection has clamp bolt (5) on sleeve (4), two be provided with clamping assembly (6) between sleeve (4).

2. The simple and efficient solid phase extraction device according to claim 1, wherein four placing through grooves (8) are uniformly formed in the first connecting plate (7), and four placing bottom grooves (10) are uniformly formed in the second connecting plate (9).

3. The simple and efficient solid phase extraction device according to claim 2, wherein the placing through groove (8) and the placing bottom groove (10) are aligned, an extraction tube (11) is arranged between the placing through groove (8) and the placing bottom groove (10), and foam-rubber pads are arranged on the inner walls of the placing through groove (8) and the extraction tube (11).

4. The simple and efficient solid phase extraction device according to claim 1, wherein the clamping assembly (6) comprises a clamping plate (61) fixedly connected with the sleeve (4), a groove I (62) is formed in the clamping plate (61), and the groove I (62) is rotationally connected with a clamping plate (63) through a rotating shaft.

5. The simple and efficient solid phase extraction device according to claim 4, wherein a clamping column (64) is fixedly connected to one side of the clamping plate (63), a clamping groove (65) is formed in one side of the clamping plate (61), the clamping column (64) is matched with the clamping groove (65), and anti-slip pads are arranged on one side of the clamping plate (63) and one side of the clamping plate (61).

6. The simple and efficient solid-phase extraction device according to claim 5, wherein a second groove (66) is formed in the clamping plate (61), the second groove (66) is communicated with the clamping groove (65), a baffle plate (67) is slidably connected in the second groove (66), a spring (68) is fixedly connected to one side of the baffle plate (67), and one end of the spring (68) is fixedly connected with the top of the second groove (66).

7. The simple and efficient solid phase extraction device according to claim 6, wherein one side of the baffle plate (67) is fixedly connected with a pull rod (69), the pull rod (69) passes through the groove II (66) to reach the outer side of the clamping plate (61), and the other side of the pull rod (69) is fixedly connected with a clamping block (610).