CN220352137U - Multifunctional magnetic rack - Google Patents
Multifunctional magnetic rack Download PDFInfo
- Publication number
- CN220352137U CN220352137U CN202321623990.5U CN202321623990U CN220352137U CN 220352137 U CN220352137 U CN 220352137U CN 202321623990 U CN202321623990 U CN 202321623990U CN 220352137 U CN220352137 U CN 220352137U
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- Prior art keywords
- positioning
- test tube
- plate
- magnetic rack
- support column
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- 239000004005 microsphere Substances 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000005457 optimization Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model discloses a multifunctional magnetic rack, which is characterized in that a support column with a hollow cavity is arranged on a base, a magnet is arranged in the hollow cavity, a positioning plate is arranged on at least one side wall of the support column, a positioning hole for horizontally limiting a test tube is formed in the positioning plate, an elastic abutting piece is arranged on one side, away from the support column, of the positioning plate, and the elastic abutting piece abuts against the side wall of the test tube and pushes the test tube to the side, close to the support column, of the support column. The elastic propping piece has compressibility, one end of the elastic propping piece is positioned in the positioning hole, the size of the positioning hole can be passively adjusted, the elastic propping piece is suitable for test tubes with different specifications, the universality of the magnetic rack is improved, and the separation of magnetic microspheres and liquid in a plurality of test tubes can be completed by arranging a plurality of positioning plates, so that the separation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of magnetic microsphere separation, in particular to a multifunctional magnetic frame.
Background
After the magnetic microspheres are washed or adsorbed in a test tube (e.g., a PCR tube), the magnetic microspheres need to be separated from the working fluid in the test tube. Because the magnetic microsphere has magnetism and can be adsorbed by the magnet, the magnetic microsphere can be adsorbed by the magnetic rack to be attached to the side wall or the bottom wall of the test tube, and then the test tube is moved out of the magnetic rack after the working solution is extracted, so that the separation of the magnetic microsphere and the liquid is completed.
In the prior art, the positioning hole for positioning the test tube on the magnetic rack has a certain size, so that the magnetic rack is only applicable to the test tube with the inner diameter smaller than that of the test tube. In order to improve the universality of the magnetic rack, the inner diameter of the positioning hole can only be increased, for example, the large-volume magnetic rack with the application number of 201822234537.0 has larger aperture of the positioning hole and can be used for placing a large-volume EP tube, but the positioning of the large-volume EP tube to a test tube with smaller diameter is inaccurate, and the large-volume EP tube is easy to shake under the magnetic action.
Disclosure of Invention
The utility model aims to provide a multifunctional magnetic rack, wherein an elastic supporting piece has compressibility, one end of the elastic supporting piece is positioned in a positioning hole and can passively adjust the size of the positioning hole, the elastic supporting piece has a clamping effect on the upper end of a test tube, the multifunctional magnetic rack is suitable for test tubes with different specifications, the universality of the magnetic rack is improved, and the separation of magnetic microspheres and liquid in a plurality of test tubes can be completed by arranging a plurality of positioning plates, so that the separation efficiency is improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the multifunctional magnetic rack comprises a base, a support column with a hollow cavity is arranged on the base, a magnet is arranged in the hollow cavity, a positioning plate is arranged on at least one side wall of the support column, a positioning hole for horizontally limiting a test tube is formed in the positioning plate, an elastic supporting piece is arranged on one side, away from the support column, of the positioning plate, and the elastic supporting piece is abutted to the side wall of the test tube and pushes the test tube to the side, close to the support column, of the support column.
As further optimization, the concrete structure of the elastic abutting piece comprises a guide post, an abutting plate and a spring, wherein one side of the positioning plate is provided with a through hole communicated with the positioning hole, the guide post stretches into the through hole, one end of the guide post, which is positioned in the positioning hole, is provided with the abutting plate, the spring is sleeved on the guide post, and two ends of the spring are respectively abutted against the abutting plate and the inner wall of the positioning hole.
As further optimization, one end of the guide post, which is positioned at the outer side of the positioning hole, is provided with a limiting plate, so that the guide post is prevented from being separated from the through hole.
As further optimization, the guide posts are cylindrical, two guide posts are arranged in parallel, and the end parts of a pair of guide posts are connected through the abutting plates, so that the guide posts or the abutting plates can be prevented from rotating.
As a further optimization, the abutting plate is an arc panel and is matched with the side wall of the test tube.
As further optimization, the side wall of the locating hole, which is close to one side of the support column, is in a cambered surface shape and is matched with the side wall of the test tube.
As further optimization, the magnetic frame further comprises a pair of connecting plates, the pair of connecting plates are connected with the pair of positioning plates, sockets matched with the support columns are formed between the connecting plates and the positioning plates, the two side walls of the support columns are symmetrically provided with supporting blocks, the supporting blocks are sleeved on the support columns, and the supporting blocks are abutted to the positioning plates or the connecting plates so as to realize easy dismounting and assembly of the positioning plates and the support columns.
As further optimization, the outer edge of the horizontal section of the support post is square, and the support post can still be sleeved after the socket is horizontally rotated by 90 degrees.
As further optimization, the upper end of the support post is provided with a guide inclined plane, so that the socket is conveniently sleeved on the support post from top to bottom.
As a further optimization, the upper end of the pillar is provided with a cover plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. the elastic propping piece has compressibility, one end of the elastic propping piece is positioned in the positioning hole, and the size of the positioning hole can be passively adjusted, so that the elastic propping piece is suitable for test tubes with different specifications, and the universality of the magnetic frame is improved;
2. the elastic propping piece has a clamping effect on the upper part of the test tube, so that the test tube can be prevented from shaking in a larger positioning hole due to the magnetic attraction effect;
3. the support column can be provided with a plurality of positioning plates and elastic propping pieces positioned on the positioning plates, and the separation of the magnetic microspheres and the liquid can be completed through the magnet in the support column to a plurality of test tubes positioned on the periphery of the support column, so that the separation efficiency is improved.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a block diagram of another embodiment of the present utility model.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, a multifunctional magnetic rack comprises a base 10, wherein a support column 20 with a hollow cavity 400 is arranged on the base 10, a magnet 30 is arranged in the hollow cavity 400, positioning plates 40 are respectively arranged on two opposite side walls of the support column 20, positioning holes 400 for horizontally limiting test tubes are arranged on the positioning plates 40, an elastic supporting piece 50 is arranged on one side, far away from the support column 20, of the positioning plates 40, and the elastic supporting piece 50 is abutted to the side wall of the test tube and pushes the test tube to one side, close to the support column 20.
In the utility model, a test tube containing liquid and magnetic microspheres is placed in a positioning hole, an elastic abutting piece abuts against the side wall of the test tube, the test tube is positioned and can keep fixed in position, the magnetic microspheres in the test tube are adsorbed on the side wall close to one side of a support column under the action of a magnet, the liquid in the test tube is extracted, and the separation of the magnetic microspheres and the liquid is completed; through setting up elasticity and supporting the piece, it has certain compressibility, can be passive the size of adjustment locating hole, adapts to the test tube of different specifications, has improved the suitability of magnetic force frame.
Further, after placing the test tube in the locating hole, can also be with the bottom promotion of test tube be close to or the butt pillar of hand, on the one hand can improve magnetism and inhale the effect, on the other hand, upper portion is by elasticity support piece and locating hole lateral wall centre gripping test tube can avoid rocking when magnetism inhale the effect, improves the stability of during operation.
As shown in fig. 2, the elastic supporting member 50 includes a guide post 51, a supporting plate 52 and a spring 53, one side of the positioning plate 40 is provided with a through hole 401 communicated with the positioning hole 400, the guide post 51 extends into the through hole 401, one end located in the positioning hole 400 is provided with the supporting plate 52, the spring 53 is sleeved on the guide post 51, and two ends of the spring are respectively abutted against the supporting plate 52 and the inner wall of the positioning hole 400. When the test tube is not placed in the locating hole, the spring is in a natural telescopic state, the guide pillar is located in the through hole, a certain gap is reserved between the abutting plate and the side wall, close to one side of the support column, of the locating hole, when the test tube is required to be placed in the locating hole, the abutting plate is extruded outwards through the side wall of the test tube to compress the spring, the test tube can be placed in the locating hole smoothly, the lower end of the test tube is abutted to the base, the abutting plate is pushed by the reaction force of the spring to position the test tube between the abutting plate and the side wall of the locating hole, and the magnetic force rack can be suitable for positioning of test tubes of different specifications (the size and thickness of the tube body of the test tube) through the action of the spring.
In addition, a limiting plate 54 is disposed at one end of the guide post 51 located outside the positioning hole 400, and the guide post can be prevented from being separated from the through hole by the arrangement of the limiting plate.
The guide posts 51 are matched with the springs 53, so that cylinders are selected, two guide posts are arranged in parallel, and the abutting plates can be prevented from rotating in a vertical plane.
Because the side wall of the test tube is an arc surface, the abutting plate 52 is an arc surface plate, and the arc surface plate can limit the test tube in a certain range; the radian of the arc panel is set to be smaller as much as possible, namely the bending degree is smaller, so that the arc panel is suitable for the cambered surfaces of the side walls of test tubes with different specifications.
For the above reasons, the side wall of the positioning hole 400 near the pillar may be formed in a curved shape.
In another embodiment of the present utility model, as shown in fig. 3, the magnetic stand further comprises a pair of connecting plates 61, the pair of connecting plates 61 are connected with the pair of positioning plates 40, a socket 600 matched with the support column 20 is formed between the connecting plates 61 and the positioning plates 40, a pair of supporting blocks 62 are symmetrically arranged on two opposite side walls of the support column 20, the socket 600 is sleeved on the support column 20 from top to bottom, and the supporting blocks 62 are abutted against the positioning plates 40. Through this kind of mode can realize the quick assembly disassembly with the pillar with locating plate and lie in its elasticity support piece, the purpose is the locating plate that can the quick replacement have not equidimension locating hole, still further improves the suitability.
The outer edge of the horizontal section of the support column 20 is square, the socket 600 is designed into square at the same time, when the upper end of the support block supports a pair of positioning plates, the other pair of positioning plates connected through the connecting rod can rotate 90 degrees in the horizontal direction, and then the socket is sleeved on the support column from top to bottom, so that the lower end of the support column is abutted with the supported positioning plates, and therefore, four positioning plates (positioning holes) are formed on one support column, and the magnetic microspheres in four test tubes can be adsorbed at the same time, so that the working efficiency is improved.
The upper end of the support column 20 is provided with a guide inclined plane 21, so that the socket can be conveniently sleeved on the support column in a downward moving manner.
In addition, a cover plate (not shown) may be provided at the upper end of the support column to prevent the magnet from being exposed to the outside.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a multi-functional magnetic rack, its characterized in that, includes the base, be equipped with the pillar that has the cavity on the base, be provided with magnet in the cavity, be equipped with the locating plate on the at least one lateral wall of pillar, be equipped with the locating hole that is used for the spacing test tube of level on the locating plate, and keep away from on this locating plate one side of pillar is equipped with elasticity and supports the piece, elasticity supports the piece butt in the lateral wall of test tube and pushes away the test tube to being close to pillar one side.
2. The multifunctional magnetic rack of claim 1, wherein the elastic supporting piece comprises a guide post, a supporting plate and a spring, one side of the positioning plate is provided with a through hole communicated with the positioning hole, the guide post stretches into the through hole, one end of the guide post positioned in the positioning hole is provided with the supporting plate, the spring is sleeved on the guide post, and two ends of the spring are respectively abutted against the supporting plate and the inner wall of the positioning hole.
3. The multifunctional magnetic rack of claim 2, wherein a limiting plate is arranged at one end of the guide post, which is positioned outside the positioning hole.
4. A multifunctional magnetic stand according to claim 2 or 3, wherein the guide posts are cylinders and two are arranged in parallel.
5. The multi-purpose magnetic rack of claim 2, wherein the abutment plate is an arcuate panel.
6. The multifunctional magnetic rack of claim 5, wherein the side wall of the positioning hole near the side of the support column is arc-shaped.
7. The multifunctional magnetic rack of claim 1, further comprising a pair of connecting plates, wherein the pair of connecting plates are connected with the pair of positioning plates, sockets matched with the support posts are formed between the connecting plates and the positioning plates, the two side walls of the support posts are symmetrically provided with abutting blocks, the sockets are sleeved on the support posts, and the abutting blocks are abutted against the positioning plates or the connecting plates.
8. The multi-purpose magnetic rack of claim 7, wherein the outer edges of the horizontal cross-section of the struts are square.
9. The multifunctional magnetic stand of claim 7, wherein the upper end of the support post is provided with a guiding inclined plane.
10. The multifunctional magnetic stand according to claim 1, wherein a cover plate is provided at an upper end of the pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623990.5U CN220352137U (en) | 2023-06-26 | 2023-06-26 | Multifunctional magnetic rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623990.5U CN220352137U (en) | 2023-06-26 | 2023-06-26 | Multifunctional magnetic rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220352137U true CN220352137U (en) | 2024-01-16 |
Family
ID=89478446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321623990.5U Active CN220352137U (en) | 2023-06-26 | 2023-06-26 | Multifunctional magnetic rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220352137U (en) |
-
2023
- 2023-06-26 CN CN202321623990.5U patent/CN220352137U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |