CN218146726U

CN218146726U - Multifunctional magnetic frame

Info

Publication number: CN218146726U
Application number: CN202220896538.5U
Authority: CN
Inventors: 崔品; 程延年
Original assignee: Shenzhen Ruifa Biotechnology Co ltd
Current assignee: Shenzhen Ruifa Biotechnology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-12-27
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a multi-functional magnetic force frame, including test tube holder, bar magnet, the interval is provided with first test-tube groove and second test-tube groove on the test tube holder, first test-tube groove and second test-tube inslot card respectively are equipped with first test tube and second test tube, the interference cover is equipped with the bar magnet sleeve pipe on the bar magnet, bar magnet sheathed tube diameter is less than the internal diameter of test tube, the test tube holder is provided with the cover union coupling on the edge of second test-tube groove, the cover union coupling is buckled with bar magnet sleeve pipe looks block when the bar magnet inserts the second test tube. The magnetic bar and the test tube bracket of the utility model are separately arranged, so that the magnetic beads after adsorption can be directly adsorbed and transferred by moving the magnetic bar without using a dropper to move the unadsorbed solution; and be provided with the sleeve pipe on the test tube support and detain, insert the second test tube with the bar magnet and extract the back, can directly transfer the new test tube with the magnetic bead after the absorption, the simple efficiency of step is high.

Description

Multifunctional magnetic frame

Technical Field

The utility model belongs to the technical field of magnetic force frame technique and specifically relates to a multi-functional magnetic force frame.

Background

In biological experiments, nucleic acid extraction and purification are often required to be carried out on samples, so that amplification detection of target fragments is facilitated. With the rapid development of science and technology, the traditional low-efficiency nucleic acid extraction and purification method cannot meet the requirements of the times, so that a new technology, namely a magnetic bead purification method, is generated. Compared with the traditional separation method, the method has the characteristics of high separation speed, high extraction efficiency, simple required equipment and the like.

A magnetic rack is commonly used in the magnetic bead purification method, a strong magnet is arranged in the magnetic rack, magnetic beads in a sample solution can be enriched on one side of the strong magnet under the action of a magnetic field of the strong magnet, and then unadsorbed solution is removed by a dropper to realize sample separation. However, the existing magnetic rack is too simple in structure, is inconvenient to remove unadsorbed solution, is difficult to remove the unadsorbed solution at the bottom of the test tube, and is extremely low in efficiency particularly when a large amount of sample solution needs to be separated.

SUMMERY OF THE UTILITY MODEL

To the current not enough, the utility model provides a multi-functional magnetic frame.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a multi-functional magnetic force frame, includes test tube holder, bar magnet, the interval is provided with first test-tube groove and second test-tube groove on the test tube holder, first test-tube groove and second test-tube inslot block respectively are equipped with first test tube and second test tube, the interference cover is equipped with the bar magnet sleeve pipe on the bar magnet, bar magnet sheathed tube diameter is less than the internal diameter of test tube, the test tube holder is provided with the cover union coupling on the edge of second test-tube groove, the cover union coupling is buckled with bar magnet sleeve pipe looks block when the bar magnet inserts the second test tube.

Preferably, first test tube groove and second test tube groove are equidistantly spaced and are provided with a plurality of, every all block in the first test tube groove and be equipped with first test tube, every all block in the second test tube groove and be equipped with the second test tube, the fixed bar magnet support that is provided with in one end of bar magnet, the bar magnet corresponds a plurality of first test tube settings and is provided with a plurality ofly.

Preferably, the magnetic rod sleeves are provided with a plurality of magnetic rods corresponding to each other, each adjacent magnetic rod sleeve extends oppositely to form a first connecting block, and the two corresponding first connecting blocks are fixedly connected.

Preferably, the magnetic rod support is provided with a handle on one surface opposite to the surface on which the magnetic rod is arranged.

Preferably, the handle is cylindrical, and the outer surface of the handle is provided with anti-skid patterns.

Preferably, the length of the magnetic rod and the length of the magnetic rod sleeve are not less than the length of the first test tube and the length of the second test tube.

Preferably, first test tube and second test tube all extend relatively have the second connecting block, two correspond second connecting block fixed connection.

Preferably, the first test tube and the second test tube are both arranged vertically.

Preferably, the sleeve buckle is a 7-shaped plastic buckle, and a clamping block capable of being matched and clamped with the sleeve buckle extends from the edge of the magnetic rod sleeve.

The beneficial effects of the utility model reside in that: the magnetic bar and the test tube bracket of the utility model are separately arranged, so that the magnetic beads after adsorption can be directly adsorbed and transferred by moving the magnetic bar without using a dropper to move the unadsorbed solution; and be provided with the sleeve pipe on the test tube support and detain, insert the second test tube with the bar magnet and extract the back, can directly transfer the new test tube with the magnetic bead after the absorption, the simple efficiency of step is high.

Drawings

FIG. 1 is a schematic diagram of a side view structure of an embodiment of the present invention when a magnetic rod sleeve is engaged;

FIG. 2 is a schematic side view of the magnetic rod sleeve according to the embodiment of the present invention;

fig. 3 is a schematic front view of the embodiment of the present invention;

part names and serial numbers in the figure: 1-test tube bracket 11-first test tube groove 111-first test tube 112-second connecting block 12-second test tube groove 121-second test tube 13-sleeve buckle 2-magnetic rod bracket 21-magnetic rod 22-magnetic rod sleeve 221-first connecting block 222-clamping block 23-handle.

Detailed Description

To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be further described with reference to the accompanying drawings and embodiments, and clearly described in the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Furthermore, what is mentioned in the present invention is as follows: the terms "center", "upper", "lower", "left", "right", "front", "back", "inner", "outer", "horizontal", "vertical", and the like are used only with reference to the orientation or positional relationship as shown in the attached drawings, or the orientation or positional relationship as the utility model is usually placed when in use, and are used only for the convenience of clearly describing the utility model, but do not indicate or imply that the device or element must have a specific orientation, and therefore, should not be construed as limiting the utility model.

The terms "first," "second," "third," and the like are used solely to distinguish one from another in the description and are not to be construed as indicating or implying relative importance, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the present invention is shown in fig. 1 to 3, a multifunctional magnetic rack, which comprises a test tube rack 1 and a magnetic rod 21, wherein a first test tube groove 11 and a second test tube groove 12 are arranged on the test tube rack 1 at intervals, a first test tube 111 and a second test tube 121 are respectively clamped in the first test tube groove 11 and the second test tube groove 12, and the test tube rack 1 can keep the first test tube 111 and the second test tube 121 stable; a magnetic rod sleeve 22 is sleeved on the magnetic rod 21 in an interference manner, and the magnetic rod sleeve 22 can be disassembled and clamped on the magnetic rod 21; the diameter of the magnetic rod sleeve 22 is smaller than the inner diameter of the test tube, the sleeve buckle 13 is arranged on the edge of the second test tube groove 12 of the test tube support 1, and the sleeve buckle 13 is clamped with the magnetic rod sleeve 22 when the magnetic rod 21 is inserted into the second test tube 121; when magnetic bead purification is carried out, a reagent to be treated containing magnetic beads is poured into the first test tube 111, carrier RNA solution is poured into the second test tube 121, the magnetic rod 21 sleeved with the magnetic rod sleeve 22 is inserted into the first test tube 111, and the magnetic beads in the reagent are attracted by the magnetic rod 21 and adsorbed on the magnetic rod sleeve 22; in a preferred embodiment, the test tube holder 1 and the magnetic rod 21 are both located in the biosafety cabinet; in a preferred embodiment, when the magnetic rod 21 sleeved with the magnetic rod sleeve 22 is inserted into the first test tube 111 and the second test tube 121, respectively, neither the reagent nor the solution in the first test tube 111 nor the second test tube 121 overflows; in a preferred embodiment, the outer surface of the magnetic rod 21 is cylindrical, and the diameter of the magnetic rod 21 is half of the diameter of the first test tube 111 and half of the diameter of the second test tube 121; when the magnetic beads collected on the magnetic rod sleeve 22 reach the requirement, the magnetic rod 21 is drawn out from the first test tube 111 and inserted into the second test tube 121, and the sleeve buckle 13 on the test tube support 1 is clamped with the magnetic rod sleeve 22, so that the magnetic rod 21 can be drawn out from the magnetic rod sleeve 22, and the magnetic rod sleeve 22 does not have magnetic force due to the fact that the magnetic rod 21 is drawn out, and the magnetic beads can be separated from the magnetic rod sleeve 22; the magnetic rod sleeve 22 is separated from the sleeve buckle 13 and slightly stirred by the magnetic rod sleeve 22, so that most of magnetic beads can be transferred into a Carrier RNA solution, and the transfer of the magnetic beads is completed.

Further improvement, as shown in fig. 1 to 3, first test tube groove 11 and the equal interval of second test tube groove 12 are provided with a plurality ofly, all block in every first test tube groove 11 and be equipped with first test tube 111, all block in every second test tube groove 12 and be equipped with second test tube 121, the fixed bar magnet support 2 that is provided with of one end of bar magnet 21, bar magnet 21 corresponds a plurality of first test tube 111 settings and is provided with a plurality ofly, so can multiple grade improvement draw the speed of experiment, improve work efficiency.

Further improvement, as shown in fig. 1 to 3, the plurality of bar magnet sleeves 22 are arranged corresponding to the bar magnet 21, each adjacent bar magnet sleeve 22 is extended with the first connecting block 221, the two corresponding first connecting blocks 221 are fixedly connected, the bar magnet sleeves 22 are arranged in rows, the bar magnet sleeves 22 can be quickly sleeved on the bar magnet 21 during extraction experiments, and the work efficiency is improved.

Further improvement, as shown in fig. 1 to 3, bar magnet support 2 is provided with handle 23 on the one side relative with setting up bar magnet 21, sets up handle 23 and is convenient for remove bar magnet 21, conveniently draws the operation of experiment, improves work efficiency.

In a further improvement, as shown in fig. 1 to 3, the handle 23 is cylindrical, and the outer surface of the handle 23 is provided with anti-slip patterns, which can increase the friction force between the fingers and the handle 23, reduce the risk of the magnetic rod 21 falling off from the hand, and play a role in anti-slip.

Further improvement, as shown in fig. 1 to 3, the length of bar magnet 21 and the length of bar magnet sleeve 22 are not less than the length of first test tube 111 and the length of second test tube 121, and the bar magnet 21 that the cover was equipped with bar magnet sleeve 22 can insert the bottom of first test tube 111 and second test tube 121, prevents that the magnetic bead that is located first test tube 111 bottom and second test tube 121 bottom can not be attracted, can better collection magnetic bead.

Further improvement, as shown in fig. 1 to 2, first test tube 111 and second test tube 121 all have second connecting block 112 to extend relatively, two corresponding second connecting block 112 fixed connection, and first test tube 111 and second test tube 121 set up in rows, can be when extracting the experiment quick set up first test tube 111 and second test tube 121 in first test tube groove 11 and second test tube groove 12 respectively, improve work efficiency.

In a further improvement, as shown in fig. 1 to 3, the first test tube 111 and the second test tube 121 are both vertically arranged, so that the solution and the reagent can be better stored.

In a further improvement, as shown in fig. 1 to 2, the cannula fastener 13 is a 7-shaped plastic fastener, and a latch 222 capable of being engaged with the cannula fastener 13 in a matching manner extends from an edge of the magnetic rod cannula 22, in a preferred embodiment, a horizontal section of the 7-shaped plastic fastener is arranged along a radial direction of the cannula fastener 13, the latch 222 is annular and arranged coaxially with the magnetic rod cannula 22, after the magnetic rod 21 is inserted into the second test tube 121, an upper surface of the latch 222 contacts with the 7-shaped plastic fastener, and the 7-shaped plastic fastener blocks the latch 222 from moving upward when the magnetic rod 21 is extracted from the second test tube 121; simple structure is convenient for operate, can also reduce the cost of manufacture.

It will be understood that modifications and variations are possible to those skilled in the art in light of the above teachings and that all such modifications and variations are considered to be within the purview of the invention as set forth in the appended claims.

Claims

1. The utility model provides a multi-functional magnetic frame which characterized in that: including test tube holder, bar magnet, the interval is provided with first test tube groove and second test tube groove on the test tube holder, first test tube groove and second test tube inslot block respectively and are equipped with first test tube and second test tube, the interference cover is equipped with the bar magnet sleeve pipe on the bar magnet, bar magnet sheathed tube diameter is less than the internal diameter of test tube, the test tube holder is provided with the cover pipe on the edge of second test tube groove and detains, the bar magnet is detained when inserting the second test tube and is blocked with bar magnet sleeve pipe looks.

2. The multifunctional magnetic rack according to claim 1, wherein the first test tube slot and the second test tube slot are arranged in a plurality of equal intervals, each first test tube slot is provided with a first test tube in a clamping manner, each second test tube slot is provided with a second test tube in a clamping manner, one end of the magnetic rod is fixedly provided with a magnetic rod bracket, and the magnetic rod is arranged in a plurality of corresponding first test tubes.

3. The multifunctional magnetic rack according to claim 2, wherein a plurality of magnetic rod sleeves are arranged corresponding to the magnetic rods, each adjacent magnetic rod sleeve extends oppositely to form a first connecting block, and two corresponding first connecting blocks are fixedly connected.

4. The multifunctional magnetic rack according to claim 2, wherein the magnetic rod support is provided with a handle on the surface opposite to the surface on which the magnetic rod is arranged.

5. The multifunctional magnetic rack according to claim 4, wherein the handle is cylindrical, and the outer surface of the handle is provided with anti-slip patterns.

6. The multifunctional magnetic rack according to claim 1, wherein the length of the magnetic rod and the length of the magnetic rod sleeve are not less than the length of the first test tube and the length of the second test tube.

7. The multifunctional magnetic rack according to claim 1, wherein the first test tube and the second test tube are extended with a second connecting block, and two corresponding second connecting blocks are fixedly connected.

8. The multifunctional magnetic rack according to claim 1, wherein the first test tube and the second test tube are both vertically disposed.

9. The multifunctional magnetic rack according to claim 1, wherein the sleeve fastener is a 7-shaped plastic fastener, and a clamping block capable of being matched and clamped with the sleeve fastener extends from the edge of the magnetic rod sleeve.