Solid-phase extraction column series connection support

Abstract

The utility model discloses a solid phase extraction column series connection support which comprises a bottom plate, a first supporting plate is welded to the left side of the top surface of the bottom plate, a second supporting plate is welded to the right side of the top surface of the bottom plate, and the sides, close to each other, of the first supporting plate and the second supporting plate are slidably connected with a plurality of sets of movable plates. A through hole penetrating through the moving plate is formed in the top of the moving plate, two sets of clamping plates are arranged in the through hole formed in the moving plate, and a limiting plate corresponding to the moving plate is arranged on the right side of the second supporting plate. According to the solid-phase extraction column series connection support, by arranging the movable plate, the limiting plate, the clamping plate and the like, solid-phase extraction columns connected in series can be well fixed, and the situation that in the solid-phase extraction sample loading and elution process, an operator possibly touches the solid-phase extraction column at the upper end by mistake, so that the solid-phase extraction columns roll over and topple over is avoided; therefore, the experiment is failed.

Description

Technical Field

[0001] The utility model relates to the technical field of series connection of extraction columns, in particular to a series connection bracket for solid phase extraction columns. Background Art

[0002] The solid phase extraction column is a sample pretreatment device developed from the chromatography column for extraction, separation and concentration. It is mainly used for sample pretreatment of target compounds in various foods, agricultural and livestock products, environmental samples and biological samples. At present, the solid phase extraction columns are mainly connected in series through adapters, but these adapters simply connect the upper solid phase extraction column with the lower solid phase extraction column, and this connection method cannot fix the upper and lower solid phase extraction columns well. During the solid phase extraction loading and elution process, the operator may accidentally touch the upper solid phase extraction column, causing the solid phase extraction column to tip over and fall, which will lead to the failure of the experiment. Utility Model Content

[0003] The purpose of the utility model is to provide a solid phase extraction column series support to solve the problems raised in the background technology in view of the shortcomings of the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a solid phase extraction column series bracket, comprising a base plate, a first support plate welded to the left side of the top surface of the base plate, a second support plate welded to the right side of the top surface of the base plate, and a plurality of groups of movable plates are slidably connected to the side where the first support plate and the second support plate are close to each other, a through hole penetrating the movable plate is opened on the top of the movable plate, and two groups of clamping plates are arranged in the through hole opened on the movable plate, and a limiting plate corresponding to the movable plate is arranged on the right side of the second support plate.

[0005] As a preferred technical solution of the utility model, a cavity is opened inside the movable plate, and three groups of first springs are installed on the inner walls on both sides of the cavity opened by the movable plate, and the other ends of the first springs are respectively welded to the sides away from each other of the two groups of clamping plates.

[0006] As a preferred technical solution of the utility model, a groove is provided at the top of the two groups of clamping plates combined, and a through hole penetrating the clamping plates is provided at the bottom of the groove.

[0007] As the preferred technical solution of the utility model, a slide groove is provided on the side where the first support plate and the second support plate are close to each other, and a slider is placed in the slide groove, and the outer wall of the slider is fixedly connected to the two sides of the movable plate, and the cross-section of the slide groove is T-shaped.

[0008] As the preferred technical solution of the utility model, a moving rod is welded on the right side of the sliding block fixedly connected to the right side of the moving plate, which passes through and extends to the right side of the second support plate, and a limiting plate is provided on the outer circle of the moving rod on the right side of the second support plate, and a connecting plate is welded on the right end of the moving rod.

[0009] As a preferred technical solution of the utility model, a second spring surrounding the outer ring of the moving rod is welded on the side where the limiting plate and the connecting plate are close to each other.

[0010] As a preferred technical solution of the utility model, three groups of connecting rods are evenly welded on the right side of the limiting plate, and a pull plate is welded on the right end of the connecting rod, and a pull ring is welded on the right side of the pull plate.

[0011] As a preferred technical solution of the utility model, a through hole penetrating the second support plate is opened on the right side of the second support plate, and the moving rod is located in the through hole and moves, and foot pads are installed at the four corners of the bottom surface of the base plate.

[0012] Compared with the prior art, the utility model provides a solid phase extraction column series support, which has the following beneficial effects:

[0013] The solid phase extraction column series support, by arranging a moving plate, a limiting plate and a clamping plate, etc., can adjust the height of the moving plate to a corresponding height, and can limit the moving plate by the limiting plate, so that the solid phase extraction column can be inserted into the through hole opened by the next moving plate, and can be clamped by the clamping plate, and a plurality of solid phase extraction columns can be connected in series by an adapter, so that the solid phase extraction columns connected in series can be well fixed, and it is prevented that during the process of solid phase extraction loading and elution, the operator may accidentally touch the upper solid phase extraction column, causing the solid phase extraction column to overturn and tip over, thereby causing the experiment to fail. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the movable plate of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the limiting plate of the utility model.

[0017] Figure numerals: 1, bottom plate; 2, foot pad; 3, first support plate; 4, movable plate; 5, clamping plate; 6, limit plate; 7, pull ring; 8, pull plate; 9, second support plate; 10, first spring; 11, second spring; 12, movable rod; 13, connecting rod; 14, connecting plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 3 In this embodiment: a solid phase extraction column series bracket includes a bottom plate 1, a first support plate 3 is welded on the left side of the top surface of the bottom plate 1, and a second support plate 9 is welded on the right side of the top surface of the bottom plate 1, and a plurality of groups of movable plates 4 are slidably connected to the side where the first support plate 3 and the second support plate 9 are close to each other, and a through hole penetrating the movable plate 4 is opened on the top of the movable plate 4, and the solid phase extraction column can be inserted into the through hole, and two groups of clamping plates 5 are arranged in the through hole opened by the movable plate 4, which can clamp the inserted solid phase extraction column, and a limiting plate 6 corresponding to the movable plate 4 is arranged on the right side of the second support plate 9, which can limit the movable plate 4.

[0020] In this embodiment, a cavity is provided inside the movable plate 4, and three groups of first springs 10 are installed on the inner walls on both sides of the cavity provided by the movable plate 4, and the other ends of the first springs 10 are respectively welded to the sides of the two groups of clamping plates 5 that are away from each other. The clamping plates 5 can clamp the solid phase extraction column under the action of the first springs 10, and a groove is provided on the top of the two groups of clamping plates 5 combined, and a through hole penetrating the clamping plates 5 is provided at the bottom of the groove, which can facilitate the insertion of the solid phase extraction column, and a slide groove is provided on the side of the first support plate 3 and the second support plate 9 that are close to each other, and a slider is placed in the slide groove, and the outer wall of the slider is fixedly connected to the two sides of the movable plate 4, and the cross-section of the slide groove is T-shaped, which can facilitate the movement of the movable plate 4, and a moving rod 12 penetrating and extending to the right side of the second support plate 9 is welded on the right side of the slider fixedly connected to the right side of the movable plate 4, and the moving rod 12 is located on the outer circle of the right side of the second support plate 9. The limiting plate 6 and the right end of the moving rod 12 are welded with a connecting plate 14, and a second spring 11 surrounding the outer ring of the moving rod 12 is welded on the side where the limiting plate 6 and the connecting plate 14 are close to each other. Three groups of connecting rods 13 are evenly welded on the right side of the limiting plate 6, and a pull plate 8 is welded on the right end of the connecting rod 13, and a pull ring 7 is welded on the right side of the pull plate 8, which can be pulled The pull ring 7 can drive the limiting plate 6 to separate from the second support plate 9 through the connecting rod 13. After that, the height of the moving plate 4 can be adjusted to a corresponding height, and the pull ring 7 is released. The limiting plate 6 can be tightly attached to one side of the second support plate 9 under the action of the second spring 11 and the connecting plate 14, so as to limit the moving plate 4. A through hole that penetrates the second support plate 9 is opened on the right side of the second support plate 9, and the moving rod 12 is located in the through hole and moves, which can facilitate the movement of the moving rod 12, and foot pads 2 are installed at the four corners of the bottom surface of the base plate 1.

[0021] The working principle and use process of the utility model are as follows: the solid phase extraction column series bracket can first insert the bottom of the solid phase extraction column into the ventilation hole provided on the movable plate 4. At this time, the clamping plate 5 can clamp the inserted solid phase extraction column under the action of the first spring 10. After that, the height of the movable plate 4 can be adjusted according to the length of the solid phase extraction column. At this time, the pull ring 7 can be pulled, and then the limiting plate 6 can be driven to move through the connecting rod 13. At this time, the limiting plate 6 will be separated from the second supporting plate 9. After that, the height of the movable plate 4 can be adjusted. After the height of the movable plate 4 is adjusted to the corresponding height, it can be loosened. Open the pull ring 7, and the limiting plate 6 can be tightly attached to one side of the second support plate 9 under the action of the second spring 11 and the connecting plate 14. At this time, the purpose of limiting the movable plate 4 can be achieved. According to the above method, the solid phase extraction column can be inserted into the through hole opened by the next movable plate 4, and a plurality of solid phase extraction columns can be connected in series through an adapter, so that the series-connected solid phase extraction columns can be well fixed to prevent the operator from accidentally touching the upper solid phase extraction column during the solid phase extraction loading and elution process, causing the solid phase extraction column to tip over and fall over, which will lead to the failure of the experiment.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A solid phase extraction column series support, comprising a bottom plate (1), Features: A first support plate (3) is welded on the left side of the top surface of the bottom plate (1), and a second support plate (9) is welded on the right side of the top surface of the bottom plate (1), and a plurality of groups of movable plates (4) are slidably connected to the side where the first support plate (3) and the second support plate (9) are close to each other, a through hole penetrating the movable plate (4) is provided on the top of the movable plate (4), and two groups of clamping plates (5) are arranged in the through hole provided in the movable plate (4), and a limiting plate (6) corresponding to the movable plate (4) is arranged on the right side of the second support plate (9).

2. A solid phase extraction column series support according to claim 1, Features: A cavity is provided inside the movable plate (4), and three groups of first springs (10) are installed on the inner walls on both sides of the cavity provided by the movable plate (4), and the other ends of the first springs (10) are respectively welded to the sides of the two groups of clamping plates (5) that are away from each other.

3. A solid phase extraction column series support according to claim 1, Features: A groove is provided at the top of the two groups of clamping plates (5) combined, and a through hole penetrating the clamping plates (5) is provided at the bottom of the groove.

4. A solid phase extraction column series support according to claim 1, Features: A slide groove is provided on one side of the first support plate (3) and the second support plate (9) that are close to each other, and a slider is placed in the slide groove. The outer wall of the slider is fixedly connected to the two sides of the movable plate (4), and the cross section of the slide groove is T-shaped.

5. A solid phase extraction column series support according to claim 1, Features: A moving rod (12) is welded on the right side of the sliding block fixedly connected to the right side of the moving plate (4) and penetrates through and extends to the right side of the second supporting plate (9); a limiting plate (6) is arranged on the outer ring of the right side of the moving rod (12) and a connecting plate (14) is welded on the right end of the moving rod (12).

6. A solid phase extraction column series support according to claim 5, Features: A second spring (11) surrounding the outer ring of the moving rod (12) is welded to the side where the limiting plate (6) and the connecting plate (14) are close to each other.

7. A solid phase extraction column series support according to claim 1, Features: Three groups of connecting rods (13) are evenly welded on the right side of the limiting plate (6), and a pull plate (8) is welded on the right end of the connecting rod (13), and a pull ring (7) is welded on the right side of the pull plate (8).

8. A solid phase extraction column series support according to claim 1, Features: A through hole penetrating the second support plate (9) is provided on the right side of the second support plate (9), and the moving rod (12) is located in the through hole and moves. Foot pads (2) are installed at the four corners of the bottom surface of the base plate (1).

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