CN214327706U - Direct insertion type magnetic rod sleeve assembly - Google Patents

Abstract

The utility model discloses a direct insertion type magnetic bar sleeve component, which comprises a magnetic bar sleeve and a magnetic sleeve inserting plate, wherein the magnetic bar sleeve comprises an integrally formed fixed base plate and M multiplied by N sleeves, the fixed base plate is provided with a first through hole communicated with the sleeves at a position corresponding to each sleeve, one side of the fixed base plate, which is close to the sleeves, is provided with two rows of positioning salient points, and the two rows of positioning salient points are parallel to each other; the magnetic sleeve inserting plate comprises an inverted U-shaped part and two guide strips which are integrally formed, the two guide strips are arranged on the inner walls of two opposite side walls of the inverted U-shaped part, and second through holes are respectively formed in the positions, corresponding to the first through holes, of the top end of the inverted U-shaped part; two opposite sides of the fixed base plate are connected to the two guide strips in a sliding manner; each guide strip is correspondingly provided with a row of positioning grooves. The utility model discloses a cut straightly design and accurate location, can be in the accurate installation of magnetic sleeve picture peg have positional deviation, make things convenient for the installation of bar cover and take out.

Description

Direct insertion type magnetic rod sleeve assembly

Technical Field

The utility model belongs to bar magnet cover field, more specifically relates to a formula bar magnet cover subassembly cut straightly.

Background

The magnetic rod sleeve is matched with the deep hole plate for use and is mainly adapted to a nucleic acid extractor. In the process of extracting nucleic acid, the magnetic rod sleeve mainly has the functions of separating liquid from the magnetic rod, protecting the magnetic rod from being corroded by the liquid and prolonging the service life of the magnetic rod. When the magnetic bead method reagent is used for nucleic acid extraction, the magnetic rod sleeve moves up and down, so that the sample is uniformly mixed, cracked, combined, washed and eluted. In the nucleic acid extraction process, the magnetic bar and the magnetic bar sleeve move coordinately to realize the transfer of magnetic beads and magnetic bead-extract complex. When the magnetic rod is separated from the magnetic rod sleeve, the magnetic beads and the magnetic bead-extract complex are released. In the prior art, magnetic rod sleeves matched with commercial deep-hole plates are in an integral 96-hole form or a free-standing 8-link hole form.

In the prior art, the following problems exist when the conventional magnetic rod sleeve assembly product is used:

1) the conventional products are severely shaken or easily released in the high frequency motion of the nucleic acid extraction instrument.

2) Conventional horizontal insertion products do not have handles installed.

3) The conventional product adopts a pointed bottom design, and the contact area between the internal magnetic rod and the magnetic rod sleeve is small.

4) The conventional product is opaque in appearance and the depth of insertion of the magnetic rod cannot be visually seen.

5) The conventional product has design defects and is easy to deform.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve the demand, the utility model provides a formula bar magnet cover subassembly cut straightly, it adopts cut straightly design and accurate location, can be in the accurate installation of bar magnet cover picture peg have positional deviation, make things convenient for the installation of bar magnet cover and take out.

In order to achieve the above object, according to an aspect of the present invention, there is provided a direct insertion type magnetic rod sleeve assembly, comprising a magnetic rod sleeve and a magnetic sleeve insertion plate, wherein:

the magnetic rod sleeve comprises a fixed base plate and M x N sleeves which are integrally formed, the sleeves are distributed according to an array of M rows and N columns, a first through hole communicated with the sleeves is formed in the position, corresponding to each sleeve, of the fixed base plate, two rows of positioning salient points are arranged on one side, close to the sleeves, of the fixed base plate, the two rows of positioning salient points are parallel to each other, and the arrangement direction of each row of positioning salient points is consistent with the row or column direction of the sleeves; m, N are all positive integers;

the magnetic sleeve inserting plate comprises an inverted U-shaped part and two guide strips which are integrally formed, the two guide strips are arranged on the inner walls of two opposite side walls of the inverted U-shaped part and used for supporting the fixed substrate, and second through holes are respectively formed in the positions, corresponding to the first through holes, of the top end of the inverted U-shaped part;

two opposite sides of the fixed base plate are connected to the two guide strips in a sliding manner;

each guide strip is correspondingly provided with a row of positioning grooves respectively so as to enable the positioning salient points to enter the positioning grooves.

Preferably, the base plate has a handle, and the handle extends beyond the magnetic sleeve insert plate.

Preferably, the handle is provided with a blocking platform, and the blocking platform abuts against the magnetic sleeve insertion plate when the positioning salient point enters the positioning groove.

Preferably, one end of the sleeve far away from the fixed base plate is hemispherical.

Preferably, a reinforcing rib is arranged between any two adjacent sleeves.

Preferably, the magnetic rod sleeve and the magnetic sleeve insertion plate are transparent.

Preferably, mxn is 96.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1) the utility model discloses a bar magnet cover adopts the design of cuting straightly with the bar magnet cover picture peg, and in the bar magnet cover can insert the bar magnet cover picture peg very conveniently to adopted accurate location bump and constant head tank cooperation, the bar magnet cover can be accurately installed in the bar magnet cover picture peg, does not have positional deviation, and the constant head tank can block the location bump after the installation, has effectively avoided the bar magnet cover serious or deviate from of shake in the high frequency motion of nucleic acid extraction instrument.

2) The utility model discloses a design the handle on the fixed baseplate of bar cover, make things convenient for the installation of bar cover and take out, operating personnel direct contact handle effectively avoids this product to be polluted under some circumstances.

3) The sleeve adopts a hemispherical round bottom design, the contact area of the magnetic rod sleeve and the magnetic rod is increased, and compared with the sleeve with a sharp bottom, the magnetic attraction rate is improved;

4) the magnetic bar sleeve is also provided with the reinforcing ribs, so that the magnetic bar sleeve is firm in structure and not easy to deform.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an exploded schematic view of the present invention;

fig. 3 is a schematic view of the magnetic rod sleeve of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-3, a formula bar magnet cover subassembly cut straightly, includes bar magnet cover 1 and bar magnet cover picture peg 2, bar magnet cover 1 and bar magnet cover picture peg 2 all adopt the mould to mould plastics the scheme processing, and all transparent, and the outward appearance is transparent, can observe the degree of depth that the bar magnet inserted bar magnet cover 1 to and bar magnet cover 1 inserts the length of bar magnet cover picture peg 2, wherein:

the magnetic rod sleeve 1 comprises a fixed base plate 11 and M multiplied by N sleeves 12 which are integrally formed, the sleeves 12 are distributed according to an array of M rows and N columns, a first through hole communicated with the sleeve 12 is formed in the position, corresponding to each sleeve 12, of the fixed base plate 11, two rows of positioning salient points 3 are arranged on one side, close to the sleeve 12, of the fixed base plate 11, the two rows of positioning salient points 3 are parallel to each other, and the arrangement direction of each row of positioning salient points 3 is consistent with the row or column direction of the sleeves 12; m, N are positive integers, generally, mxn is 8 or mxn is 96, and mxn is 96 in the present invention, and it is preferable that the present magnet sleeve 1 is an integral 96-hole magnet sleeve 1.

Magnetic sleeve picture peg 2 includes integrated into one piece's the portion of falling U-shaped 21 and two gibs 22, two gibs 22 set up on the inner wall of the relative both sides wall of the portion of falling U-shaped 21 for the support fixed baseplate 11, the top of the portion of falling U-shaped 21 is provided with the second through hole respectively corresponding to each first through hole position.

The two opposite sides of the fixed base plate 11 are slidably connected to the two guide bars 22.

Each guide strip 22 is correspondingly provided with a row of positioning grooves respectively so as to allow the positioning salient points 3 to enter the positioning grooves. Preferably, the positioning salient points 3 are clamped in the positioning grooves, so that the stability and the reliability of the connection of the magnetic rod sleeve 1 and the magnetic sleeve inserting plate 2 can be improved. Because the product has the matching of the positioning salient points 3 and the positioning grooves, the magnetic sleeve is not easy to shake or separate in the high-frequency motion of the nucleic acid extraction instrument.

Further, the base plate has handle 4, and handle 4 surpasss magnetic sleeve picture peg 2 makes things convenient for hand to hold handle 4 like this and operates, lets the installation and the taking out of bar magnet cover 1, and operating personnel direct contact handle 4 effectively avoids this product contaminated under some circumstances. And be provided with on the handle 4 and keep off platform 5, and keep off platform 5 and support on magnetic sleeve picture peg 2 when the location bump 3 gets into the constant head tank, can know the length that magnetic sleeve 1 inserted magnetic sleeve picture peg 2 through the position that keeps off platform 5 like this, after keeping off platform 5 and support magnetic sleeve picture peg 2, just can know the location bump 3 on the magnetic sleeve 1 and correspond with the constant head tank on the magnetic sleeve picture peg 2, then let the location bump 3 get into the constant head tank downwards in, make things convenient for the equipment of magnetic sleeve 1 and magnetic sleeve picture peg 2. The product logo may be provided on the handle 4.

Furthermore, one end of the sleeve 12, which is far away from the fixed substrate 11, is hemispherical, so that the contact area between the magnetic rod sleeve 1 and the magnetic rod is increased, and the magnetic absorption rate is improved.

Furthermore, a reinforcing rib 6 is arranged between any two adjacent sleeves 12, so that the deformation of the product in each flow is effectively avoided.

The product can be operated by changing the shape and the size of the handle 4 so as to better hold the handle 4. In addition, the size and the number of the positioning salient points 3 can be changed, so that the folding and the assembling convenience of the magnetic rod sleeve 1 and the magnetic sleeve inserting plate 2 are improved.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. The utility model provides a formula bar magnet cover subassembly cut straightly which characterized in that includes bar magnet cover (1) and bar magnet cover picture peg (2), wherein:

the magnetic rod sleeve (1) comprises a fixed base plate (11) and M x N sleeves (12) which are integrally formed, the sleeves (12) are distributed according to an array of M rows and N columns, a first through hole communicated with the sleeves (12) is formed in the position, corresponding to each sleeve (12), of the fixed base plate (11), two rows of positioning salient points (3) are arranged on one side, close to the sleeves (12), of the fixed base plate (11), the two rows of positioning salient points (3) are parallel to each other, and the arrangement direction of each row of positioning salient points (3) is consistent with the row or column direction of the sleeves (12); wherein M, N are all positive integers;

the magnetic sleeve inserting plate (2) comprises an inverted U-shaped part (21) and two guide strips (22) which are integrally formed, the two guide strips (22) are arranged on the inner walls of two opposite side walls of the inverted U-shaped part (21) and used for supporting the fixed substrate (11), and second through holes are respectively formed in the positions, corresponding to the first through holes, of the top end of the inverted U-shaped part (21);

the two opposite sides of the fixed base plate (11) are connected to the two guide strips (22) in a sliding manner;

each guide strip (22) is correspondingly provided with a row of positioning grooves respectively so as to enable the positioning salient points (3) to enter the positioning grooves.

2. An in-line bar magnet sleeve assembly according to claim 1, wherein said base plate has a handle (4) and said handle (4) extends beyond said sleeve insert plate (2).

3. An in-line bar magnet sleeve assembly according to claim 2, wherein a stop (5) is provided on the handle (4) and the stop (5) abuts the sleeve insert plate (2) when the locating stud (3) enters the locating slot.

4. An in-line bar magnet sleeve assembly according to claim 1, wherein the end of the sleeve (12) remote from the fixed base plate (11) is hemispherical.

5. An in-line bar magnet sleeve assembly according to claim 1, wherein a reinforcing rib (6) is provided between any two adjacent sleeves (12).

6. An in-line bar magnet sleeve assembly according to claim 1, wherein both the bar magnet sleeve (1) and the bar magnet sleeve insert plate (2) are transparent.

7. An in-line bar magnet sleeve assembly according to claim 1 wherein M x N96.

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