CN221028352U - Magnetic rack for sample elution - Google Patents

Abstract

The utility model relates to a magnetic rack for sample elution, which belongs to the technical field of test tube racks, and comprises the following components: the test tube rack comprises a test tube rack main body, wherein a plurality of magnetic blocks matched with magnetic beads in test tubes are arranged on the test tube rack main body, a plurality of test tube brackets are detachably arranged on the test tube rack main body through positioning columns, and folding handles are arranged on the side walls of the test tube brackets. Can realize the separation and purification to sample nucleic acid through increasing the magnetic force piece, can realize taking all test tubes in the test-tube rack main part through increasing the test tube bracket to can directly put into centrifuge with the bracket main part, make things convenient for operating personnel's taking.

Description

Magnetic rack for sample elution

Technical Field

The utility model belongs to the technical field of test tube racks, and particularly relates to a magnetic rack for sample elution.

Background

The existing extraction method of free DNA mainly comprises a magnetic bead method, and the principle of the technology for extracting nucleic acid by the magnetic bead method is as follows: the superparamagnetism nano particles are adopted, and the principle that nucleic acid is adsorbed under the high-salt condition and low pH value and then is separated and purified under the low-salt and high pH value is utilized to separate and purify the sample nucleic acid, so that the high-flux automatic standardized operation can be realized due to the fact that the nucleic acid is separated and purified efficiently and simply only under the action of a magnetic field.

Problems of the prior art: when the sample amount is required to be extracted, the magnetic bead method adopts manual extraction, and during manual extraction, only a mode of integrally taking the test tube rack or taking a single test tube can be adopted, so that the test tube rack is occupied, or the efficiency is low, and therefore, a magnetic rack for sample elution is required in the market, and all test tubes can be taken at one time without taking the test tube rack.

Disclosure of utility model

The utility model aims to solve the technical problems and further provides a magnetic rack for sample elution.

The specific technical scheme of the utility model is as follows: a magnetic rack for sample elution, comprising: the test tube rack comprises a test tube rack main body, wherein a plurality of magnetic blocks matched with magnetic beads in test tubes are arranged on the test tube rack main body, a plurality of test tube brackets are detachably arranged on the test tube rack main body through positioning columns, and folding handles are arranged on the side walls of the test tube brackets.

Further, the test tube holder includes: the bracket comprises a bracket main body, wherein a plurality of test tube placing holes and positioning holes are formed in the bracket main body.

Further, the positioning column is matched with the positioning hole to realize quick detachable connection of the bracket main body and the test tube rack main body.

Further, the folding handle includes: the rotating shaft is rotationally connected with the handle body through a connecting plate arranged on the side wall of the bracket body, and a torsion spring used for enabling the handle body to be in a folded state is sleeved outside the rotating shaft.

Further, the magnetic block is provided with a curved surface matched with the shape of the test tube.

Further, both ends of the bracket main body are set to be oblique angles matched with the centrifugal machine.

Further, the test tube rack main body is made of acrylic plastic materials.

Further, the magnetic block is arranged on the test tube rack main body in a pasting mode.

The beneficial effects are that:

Can realize the separation and purification to sample nucleic acid through increasing the magnetic force piece, can realize taking all test tubes in the test-tube rack main part through increasing the test tube bracket to can directly put into centrifuge with the bracket main part, make things convenient for operating personnel's taking.

Drawings

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

FIG. 2 is a schematic view of the structure of the test tube bracket of the present utility model;

fig. 3 is an enlarged schematic view of fig. 2 a in accordance with the present utility model.

The figure indicates:

Test tube rack main body 1, magnetic block 2, positioning column 3, test tube holder 4, folding handle 5, holder main body 41, test tube placement hole 42, positioning hole 43, rotation shaft 51, connection plate 52, handle main body 53,

Detailed Description

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.

In the description of the present utility model, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1: a magnetic rack for sample elution, as described with reference to fig. 1-3, comprising: test-tube rack main part 1, be provided with a plurality of and in vitro magnetic bead complex magnetic force piece 2 on the test-tube rack main part 1, a plurality of test tube brackets 4 are installed through reference column 3 detachable on the test-tube rack main part 1, a plurality of test tube bracket 4 lateral wall all is provided with folding handle 5, so sets up, can realize the separation and purification to sample nucleic acid through increasing the magnetic force piece, can realize taking all test tubes in the test-tube rack main part through increasing the test tube bracket to can be direct put into centrifuge with the bracket main part, convenient operating personnel's the taking.

Example 2: on the basis of embodiment 1, described with reference to fig. 1 to 3, the test tube holder 4 comprises: bracket main part 41, a plurality of test tube place hole 42 and locating hole 43 have been seted up on the bracket main part 41, so set up, can conveniently put into the test tube through increasing test tube place hole 42, can realize combining bracket main part 41 and test-tube rack main part 1 fast through increasing locating hole 43.

Example 3: on the basis of embodiment 2, the description is made with reference to fig. 1 to 3, and the positioning column and the positioning hole 43 cooperate to realize the rapid detachable connection between the bracket main body 41 and the test tube rack main body 1, so that the bracket main body 41 and the test tube rack main body 1 can be rapidly combined through the cooperation of the positioning column and the positioning hole 43, and meanwhile, the combination stability can be ensured.

Example 4: on the basis of embodiment 1, the folding handle 5 is described with reference to fig. 1 to 3, and includes: the rotation shaft 51, the rotation shaft 51 is rotationally connected with the handle main body 53 through the connecting plate 52 arranged on the side wall of the bracket main body 41, the torsion spring for enabling the handle main body 53 to be in a folded state is sleeved outside the rotation shaft 51, and by means of the arrangement, when the bracket main body 41 is put into a centrifugal machine, the folding handle 5 is in the folded state by increasing the rotation fit of the connecting plate 52 with the rotation shaft 51 and the handle main body 53, and the occupied volume is reduced.

Example 5: on the basis of the embodiment 1, the description is made with reference to fig. 1-3, and the magnetic block 2 is provided with a curved surface matched with the shape of the test tube, so that the magnetic block 2 is provided with the curved surface matched with the shape of the test tube, and nucleic acid is efficiently and simply separated and purified under the action of the enhanced magnetic field.

Example 6: on the basis of embodiment 3, the description is made with reference to fig. 1 to 3, wherein the two ends of the bracket main body 41 are set to be inclined angles matched with the centrifuge, so that the two ends of the bracket main body 41 are set to be inclined angles, so that the inner shape of the centrifuge can be matched with the inclined angles, and a rectangle is formed by 4 groups of bracket main bodies 41.

Example 7: on the basis of embodiment 1, the description is given with reference to fig. 1 to 3, and the test tube rack main body 1 is made of acrylic plastic material, so that the influence of the test tube rack main body on the magnetic block is prevented by the fact that the test tube rack main body is made of acrylic plastic material.

Example 8: on the basis of the embodiment 1, the description is made with reference to fig. 1 to 3, and the magnetic block 2 is arranged on the test tube rack main body 1 in a pasting mode, so that the magnetic block 2 is arranged on the test tube rack main body 1 in a pasting mode, and the magnetic block 2 can be effectively fixed.

The working process comprises the following steps:

Firstly, a test tube bracket 4 is mounted on a test tube rack main body 1 through a positioning column 3, then a sample test tube is placed in the test tube bracket 4, superparamagnetism nano particle magnetic beads are placed in the test tube, nucleic acid is adsorbed under a high-salt condition and a low pH value, then the nucleic acid is separated and purified under the principle of separating the nucleic acid under the low-salt and high pH value, the nucleic acid is required to be separated and purified under the action of a magnetic field of a magnetic block 2, then an operator takes the test tube bracket 4 through a folding handle 5, all the test tubes which are separated are lifted at one time, and then the test tube bracket 4 and the test tubes are placed in a centrifugal machine together.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (8)

1. A magnetic rack for sample elution, comprising: test-tube rack main part (1), its characterized in that is provided with a plurality of and test tube inner magnetic bead complex magnetic force piece (2) on test-tube rack main part (1), installs a plurality of test tube brackets (4) through reference column (3) detachable on test-tube rack main part (1), a plurality of test tube bracket (4) lateral wall all is provided with folding handle (5).

2. A magnetic rack for sample elution according to claim 1, characterized in that said test tube holder (4) comprises: the bracket comprises a bracket main body (41), wherein a plurality of test tube placing holes (42) and positioning holes (43) are formed in the bracket main body (41).

3. A magnetic rack for sample elution according to claim 2, wherein the positioning posts cooperate with the positioning holes (43) to achieve a quick detachable connection of the carrier body (41) to the rack body (1).

4. A magnetic rack for sample elution according to claim 1, wherein the folding handle (5) comprises: the rotating shaft (51) is rotatably connected with the handle main body (53) through a connecting plate (52) arranged on the side wall of the bracket main body (41), and a torsion spring for enabling the handle main body (53) to be in a folded state is sleeved outside the rotating shaft (51).

5. A magnetic rack for eluting samples according to claim 1, characterized in that the magnetic block (2) is provided with a curved surface which is form-fit with the test tube.

6. A magnetic rack for eluting samples according to claim 2, wherein the two ends of the bracket body (41) are provided with an oblique angle for cooperating with a centrifuge.

7. The magnetic rack for sample elution according to claim 1, wherein the rack main body (1) is made of acrylic plastic material.

8. The magnetic rack for sample elution according to claim 1, wherein the magnetic block (2) is provided on the test tube rack main body (1) by a sticking manner.