CN218665998U

CN218665998U - Magnetic rod rack of nucleic acid extractor

Info

Publication number: CN218665998U
Application number: CN202223126899.0U
Authority: CN
Inventors: 江滨; 方凌芝
Original assignee: Hangzhou Binguo Electromechanical Co ltd
Current assignee: Hangzhou Binguo Electromechanical Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-21
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a magnetic rod rack of a nucleic acid extractor, which comprises a magnetic rod rack body, a magnetic rod body and a connecting component, wherein the magnetic rod body is arranged inside the magnetic rod rack body, and the connecting component is arranged inside the magnetic rod body; the connecting assembly comprises a first sliding plate, a first spring, a connecting block, a second sliding plate, a top rod and a second spring; the mounting hole has been seted up to the inside equidistance of bar magnet frame body, and the mounting hole is inside all to be provided with the bar magnet body, and first cell body has been seted up to the inside of bar magnet body, and the inside sliding connection of first cell body has first sliding plate, the first spring of fixedly connected with between the bottom of first sliding plate and the inner wall of first cell body, the top fixedly connected with connecting block of first sliding plate. The beneficial effects of the utility model reside in that, through above-mentioned technical means to solve different connected modes institute's various drawbacks between traditional bar magnet frame and the bar magnet, very big improvement operating mass and availability factor than traditional device.

Description

Magnetic bar rack of nucleic acid extractor

Technical Field

The utility model relates to a bar magnet frame technical field especially relates to a nucleic acid extraction appearance bar magnet frame.

Background

The working principle of the nucleic acid extractor is that magnetic beads are used as carriers, the magnetic beads are used for adsorbing nucleic acid under high-salt and low-pH values and are separated from the nucleic acid under low-salt and high-pH values, and then a magnetic bar is used for adsorbing magnetic beads to transfer liquid to realize the whole extraction and purification process of the nucleic acid.

However, in the conventional magnetic rod rack technology, the connection modes of the magnetic rod and the magnetic rod rack are roughly divided into three types:

firstly, the magnetic bar is directly placed and fixed by using the weight of the magnetic bar, the method is convenient to disassemble, but the connection mode limits that the magnetic bar and the magnetic bar frame are loosely connected, and the magnetic bar lacks a limiting function in the mode, so that when the magnetic bar frame moves, the magnetic bar and the magnetic bar frame collide with each other and shake, and the use performance of the magnetic bar frame is influenced;

secondly, through threaded connection, although the mode is detachable and enhances the fixity of the magnetic rod, the threaded connection also causes that the steps are more complicated when the magnetic rod is replaced or is singly disinfected, and the working efficiency is influenced;

and thirdly, the magnetic rods are fixedly connected, and the magnetic rods cannot be sterilized one by one in the connection mode, and only can be sterilized together, so that the phenomenon of insufficient sterilization can be caused.

Based on the above points, workers in the art have proposed a magnetic rod rack for a nucleic acid extractor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, the present invention is directed to a magnetic rod holder for a nucleic acid extracting apparatus.

The technical scheme of the utility model is like this: a magnetic rod rack of a nucleic acid extraction instrument comprises a magnetic rod rack body, a magnetic rod body and a connecting assembly, wherein the magnetic rod body is arranged inside the magnetic rod rack body, and the connecting assembly is arranged inside the magnetic rod body;

the connecting assembly comprises a first sliding plate, a first spring, a connecting block, a second sliding plate, a top rod and a second spring;

the magnetic bar rack is characterized in that mounting holes are formed in the magnetic bar rack body at equal intervals, magnetic bar bodies are arranged in the mounting holes, a first groove body is formed in the magnetic bar bodies, a first sliding plate is connected to the inside of the first groove body in a sliding mode, a first spring is fixedly connected between the bottom of the first sliding plate and the inner wall of the first groove body, and a connecting block is fixedly connected to the top of the first sliding plate.

As a preferred embodiment, two second groove bodies are symmetrically formed in the magnetic rod body and located on the outer side of the first groove body, a second sliding plate is connected to the inner portion of each second groove body in a sliding mode, ejector rods are fixedly connected to the inner portion of each second sliding plate, one ends, close to the two ejector rods, of the two ejector rods extend into the inner portion of the first groove body and are in contact with the connecting block, and second springs are sleeved on the outer sides of the ejector rods and located between the second sliding plates and the second groove bodies.

As a preferred embodiment, the inside of mounting hole has all seted up the draw-in groove symmetrically, and two the one end that the ejector pin kept away from mutually all extends to the inside of corresponding draw-in groove and rather than sliding connection.

In a preferred embodiment, a connecting plate is fixedly connected to the top of the magnetic rod body, a moving rod is fixedly connected to the top of the connecting plate, and the top of the moving rod extends to the upper side of the connecting plate and is fixedly connected with a pressing block.

As a preferred embodiment, the connecting block is provided with a cylindrical shape, and the top of the connecting block is symmetrically provided with slopes matched with the push rod for use.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model discloses in, through seting up first cell body in the bar magnet body, can make first sliding plate remove in its inside, and then utilize first sliding plate to drive the connecting block and remove, thereby cooperate with other coupling assembling, and through setting up first spring, except guaranteeing to provide the holding power for the connecting block, can also restrict the second spring through first spring, because the elasticity of first spring is greater than the second spring, thereby make the second spring under the condition that no external force intervenes, can only keep compression state, through above-mentioned technical means, thereby solve the various drawbacks that different connected modes come between traditional bar magnet frame and the bar magnet, very big improvement the operating mass with the availability factor than traditional device.

Drawings

Fig. 1 is an isometric view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the connection state between the magnetic rod body and the magnetic rod frame body according to the present invention;

FIG. 3 is a schematic view of the internal structure of the magnetic rod body of the present invention in a locked state;

fig. 4 is a schematic view of the internal structure of the magnetic rod body of the present invention in an unlocked state;

FIG. 5 is an enlarged view taken at A in FIG. 2;

FIG. 6 is an enlarged view at B in FIG. 3;

fig. 7 is an enlarged view at C in fig. 4.

Illustration of the drawings: 1. a magnetic bar frame body; 2. mounting holes; 3. a magnetic rod body; 4. a first tank body; 5. a first sliding plate; 6. a first spring; 7. connecting blocks; 8. a second tank body; 9. a second sliding plate; 10. a top rod; 11. a second spring; 12. a card slot; 13. a connecting plate; 14. a travel bar; 15. and pressing the block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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; can be mechanically or electrically connected; 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 according to specific situations by those skilled in the art.

The invention will be further described with reference to the drawings and the specific embodiments

Example 1

As shown in fig. 1-7, the utility model provides a technical solution: the magnetic bar rack comprises a magnetic bar rack body 1, a magnetic bar body 3 and a connecting assembly, wherein the magnetic bar body 3 is arranged inside the magnetic bar rack body 1, and the connecting assembly is arranged inside the magnetic bar body 3;

the connecting assembly comprises a first sliding plate 5, a first spring 6, a connecting block 7, a second sliding plate 9, a mandril 10 and a second spring 11;

mounting hole 2 has been seted up to the inside equidistance of bar magnet frame body 1, and mounting hole 2 is inside all to be provided with bar magnet body 3, and first cell body 4 has been seted up to bar magnet body 3's inside, and the inside sliding connection of first cell body 4 has first sliding plate 5, fixedly connected with first spring 6 between the bottom of first sliding plate 5 and the inner wall of first cell body 4, and the top fixedly connected with connecting block 7 of first sliding plate 5.

In this embodiment, by opening the first slot 4 in the magnetic rod body 3, the first sliding plate 5 can be moved inside the first sliding plate, and then the first sliding plate 5 is used to drive the connecting block 7 to move, so as to cooperate with other connecting components, and by providing the first spring 6, besides ensuring that the supporting force can be provided for the connecting block 7, the second spring 11 can be limited by the first spring 6, because the elastic force of the first spring 6 is greater than that of the second spring 11, so that the second spring 11 can only be kept in a compressed state without external force intervention.

Example 2

As shown in fig. 1 to 7, two second tank bodies 8 are symmetrically disposed inside the magnetic rod body 3 and outside the first tank body 4, second sliding plates 9 are slidably connected inside the second tank bodies 8, push rods 10 are fixedly connected inside the second sliding plates 9, ends, close to the two push rods 10, extend into the first tank body 4 and contact with the connecting block 7, and second springs 11 are sleeved outside the push rods 10 and between the second sliding plates 9 and the second tank bodies 8, so that when the connecting block 7 moves, the push rods 10 are separated from the push rods 10, the push rods 10 retract under the action of the second springs 11, and the push rods 10 outside the magnetic rod body 3 can retract into the second tank body 8 and the first tank body 4;

the magnetic rod rack comprises a mounting hole 2, two ejector rods 10, a magnetic rod body 3 and a magnetic rod rack body 1, wherein clamping grooves 12 are symmetrically formed in the mounting hole 2, one ends, far away from the two ejector rods 10, of the two ejector rods extend to the interior of the corresponding clamping grooves 12 and are connected with the clamping grooves in a sliding mode, and the ejector rods 10 can be separated from the clamping grooves 12 along with retraction of the ejector rods 10, so that separation work of the magnetic rod body 3 and the magnetic rod rack body 1 is completed;

the top of the magnetic rod body 3 is fixedly connected with a connecting plate 13, the top of the connecting block 7 is fixedly connected with a movable rod 14, the top of the movable rod 14 extends to the upper part of the connecting plate 13 and is fixedly connected with a pressing block 15, the magnetic rod body 3 can be better limited by arranging the connecting plate 13, the connecting block 7 can be better controlled by arranging the movable rod 14, and the movable rod 14 can be better pressed by arranging the pressing block 15;

wherein, connecting block 7 sets up to cylindrical, and the slope that cooperation ejector pin 10 used has been seted up to its top symmetry, and through the aforesaid setting, the connecting block 7 of being convenient for is better to cooperate with ejector pin 10 and uses.

The working principle is as follows:

as shown in fig. 1-7, in actual use, firstly, a user presses the moving rod 14 through the pressing block 15, so that the moving rod 14 drives the connecting block 7 to move downwards, when the connecting block 7 moves, the ejector rod 10 in contact with the connecting block is pushed by the elastic force of the second spring 11 to move along the slope arranged on the outer side of the connecting block, so that the ejector rod 10 on the outer side of the magnetic rod body 3 retracts to be separated from the clamping groove 12, namely, the magnetic rod body 3 and the magnetic rod frame body 1 are unlocked, when installation is required, only the pressing block 15 needs to be loosened, the first spring 6 jacks the connecting block 7 through the elastic force of the first spring 6, so that the connecting block 7 pushes the ejector rod 10, so that the second sliding plate 9 presses the second spring 11, the ejector rod 10 extends to the outer side of the magnetic rod body 3 and is connected with the clamping groove 12, namely, so that a locking operation is completed, and by the above technical means, various disadvantages caused by different connection modes between the conventional magnetic rod frame and the magnetic rod are solved, and the operation quality and the use efficiency is greatly improved compared with the device.

Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a nucleic acid draws appearance bar magnet frame, includes bar magnet frame body (1), bar magnet body (3) and coupling assembling, its characterized in that: the magnetic rod body (3) is arranged inside the magnetic rod frame body (1), and the connecting assembly is arranged inside the magnetic rod body (3);

the connecting assembly comprises a first sliding plate (5), a first spring (6), a connecting block (7), a second sliding plate (9), a push rod (10) and a second spring (11);

mounting hole (2) have been seted up to the inside equidistance of bar magnet frame body (1), inside bar magnet body (3) all being provided with of mounting hole (2), first cell body (4) have been seted up to the inside of bar magnet body (3), the inside sliding connection of first cell body (4) has first sliding plate (5), fixedly connected with first spring (6) between the bottom of first sliding plate (5) and the inner wall of first cell body (4), the top fixedly connected with connecting block (7) of first sliding plate (5).

2. The magnetic rod rack of nucleic acid extractor of claim 1, wherein: two second groove bodies (8) have been seted up to the outside symmetry that just is located first groove body (4) in the inside of bar magnet body (3), the equal sliding connection in inside of second groove body (8) has second sliding plate (9), the inside fixedly connected with ejector pin (10) of second sliding plate (9), two the one end that ejector pin (10) are close to mutually all extends to the inside of first groove body (4) and contacts with connecting block (7), the outside of ejector pin (10) just is located and all overlaps between second sliding plate (9) and second groove body (8) has second spring (11).

3. The magnetic rod rack of nucleic acid extractor according to claim 1, wherein: draw-in grooves (12) have all been seted up to the inside symmetry of mounting hole (2), two the one end that ejector pin (10) kept away from mutually all extends to the inside of corresponding draw-in groove (12) and rather than sliding connection.

4. The magnetic rod rack of nucleic acid extractor of claim 1, wherein: the top fixedly connected with connecting plate (13) of bar magnet body (3), the top fixedly connected with carriage release lever (14) of connecting block (7), the top of carriage release lever (14) extends to the top and the fixedly connected with of connecting plate (13) and presses down piece (15).

5. The magnetic rod rack of nucleic acid extractor of claim 1, wherein: the connecting block (7) is cylindrical, and the top of the connecting block is symmetrically provided with a slope matched with the ejector rod (10) for use.