CN214654815U

CN214654815U - Magnetic frame for manual extraction of nucleic acid

Info

Publication number: CN214654815U
Application number: CN202120411814.XU
Authority: CN
Inventors: 张荣才
Original assignee: Fujian Baimeng Medical Technology Co ltd
Current assignee: Fujian Baimeng Medical Technology Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-09
Anticipated expiration: 2031-02-24

Abstract

The utility model discloses a manual magnetic force frame that extracts of nucleic acid, the on-line screen storage device comprises a base, a plurality of guide bars of last fixed surface of base is connected with, and one side swing joint of guide bar has the picture peg, and two screw holes have all been seted up to one side of picture peg, and the swing joint has the threaded rod in the screw hole, and the threaded rod rotates with the base to be connected, two fixing bases of one side fixedly connected with of picture peg, one side swing joint of fixing base has the connecting axle, and one side swing joint of connecting axle has two torsional springs, two fixed plates of last fixed surface of picture peg are connected with. The utility model discloses not only can stabilize the centre gripping through splint to the test tube to carry out abundant fixed to the test tube, improved the steadiness of device, can restrict clamp plate pivoted angle through the baffle simultaneously, improved the practicality of device, can also reciprocate through the picture peg, thereby place the test tube of different heights, improved the flexibility of device.

Description

Magnetic frame for manual extraction of nucleic acid

Technical Field

The utility model relates to a magnetic force frame technical field especially relates to a manual magnetic force frame for extraction of nucleic acid.

Background

The nucleic acid magnetic frame is to add magnetic beads into a DNA sample to be separated and extracted, fully mix a reagent and the sample when an external magnetic field is not applied, enable the magnetic beads to adsorb nucleic acid molecules in the sample, then polymerize the magnetic beads by applying the external magnetic field, separate the magnetic beads from a sample solution, and then wash the magnetic beads to obtain the nucleic acid molecules to be extracted.

Through retrieval, the patent with the granted publication number of CN207619380U discloses a comprehensive nucleic acid extraction magnetic frame, which comprises a base and an upper cover, wherein the base and the upper cover are buckled with each other, the base comprises a base plate and base steps arranged at two ends of the base plate, and the upper cover comprises an upper cover plate and upper cover steps arranged at two ends of the upper cover plate. The above patents suffer from the following disadvantages: the test tube can not be fully fixed, the test tube is easy to shake, the extraction result is influenced, and the requirements of people can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a magnetic frame for manually extracting nucleic acid.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a magnetic force frame for manual extraction of nucleic acid comprises a base, wherein a plurality of guide rods are fixedly connected to the upper surface of the base, an inserting plate is movably connected to one side of each guide rod, two threaded holes are formed in one side of each inserting plate, a threaded rod is movably connected in each threaded hole and rotatably connected with the base, two fixing seats are fixedly connected to one side of each inserting plate, a connecting shaft is movably connected to one side of each fixing seat, two torsional springs are movably connected to one side of each connecting shaft, two fixing plates are fixedly connected to the upper surface of each inserting plate and rotatably connected with the fixing plates, two ends of each torsional spring are respectively fixed to the fixing seats and the fixing plates, a pressing plate is fixedly connected to one side of each connecting shaft and rotatably connected with the fixing seats, a plurality of mounting plates are fixedly connected to the upper surface of the base and are fixed to the guide rods, a plurality of magnetic force pieces are fixedly connected to the upper surface of the base, the mounting panel wherein one side of two and the equal a plurality of telescopic links of both sides fixedly connected with of mounting panel another, the one end fixedly connected with splint of telescopic link, one side swing joint of telescopic link has the spring, and the both ends of spring are fixed mutually with splint and mounting panel respectively.

As the utility model discloses scheme further again, a plurality of spacing holes have been seted up to one side of picture peg, and spacing hole site is in the top of magnetic force spare.

As the utility model discloses scheme further again, a plurality of viewing apertures have been seted up to one side of mounting panel, and the viewing aperture symmetric distribution.

As a further proposal, the upper surface of the magnetic member is fixedly connected with a cushion pad.

As the utility model discloses scheme further again, the last fixed surface of clamp plate is connected with the handle, and one side fixedly connected with antiskid cover of handle.

As the utility model discloses further scheme again, a plurality of rubber pads of bottom fixedly connected with of base, and rubber pad evenly distributed.

As a further proposal, one side of the fixing seat is fixedly connected with a baffle.

The utility model has the advantages that:

1. through the setting of installing splint on the telescopic link, on the test tube passed spacing hole and put into magnetic force spare, the telescopic link is flexible to suitable position and is made splint stabilize the centre gripping to the test tube carries out abundant fixed, avoids the test tube to rock the influence and draws the result, has improved the steadiness of device.

2. Through the setting of installation baffle on the fixing base, rotate the clamp plate and cover spacing downthehole test tube, the baffle restricts clamp plate pivoted angle to make clamp plate and fixing base keep in mutually perpendicular's state, improved the convenience of device.

3. Through the setting of installation threaded rod on the picture peg, rotate the threaded rod and make the picture peg reciprocate suitable position along the guide bar to place the test tube of different heights, improved the flexibility of device.

Drawings

FIG. 1 is a schematic view of a magnetic frame for manual extraction of nucleic acid according to the present invention;

FIG. 2 is a schematic cross-sectional view of a magnetic frame for manual extraction of nucleic acids according to the present invention;

FIG. 3 is a schematic diagram of a side view of the magnetic frame for manually extracting nucleic acid according to the present invention.

In the figure: 1. a base; 2. a rubber pad; 3. a guide bar; 4. inserting plates; 5. a threaded rod; 6. a limiting hole; 7. pressing a plate; 8. a fixing plate; 9. a connecting shaft; 10. a torsion spring; 11. a fixed seat; 12. mounting a plate; 13. a magnetic member; 14. a cushion pad; 15. a baffle plate; 16. a handle; 17. a viewing port; 18. a splint; 19. a telescopic rod; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a magnetic frame for manual extraction of nucleic acid comprises a base 1, wherein a plurality of guide rods 3 are fixed on the upper surface of the base 1 through bolts, an inserting plate 4 is slidably connected to one side of each guide rod 3, two threaded holes are formed in one side of each inserting plate 4, threaded rods 5 are connected to the threaded holes in a threaded manner, the guide rods 3 can guide the inserting plates 4 to prevent the inserting plates 4 from rotating due to rotation of the threaded rods 5, the threaded rods 5 are rotatably connected with the base 1, the inserting plates 4 can move up and down to proper positions along the guide rods 3 by rotating the threaded rods 5, test tubes with different heights can be placed, two fixing seats 11 are fixed on one side of each inserting plate 4 through bolts, a connecting shaft 9 is inserted into one side of each fixing seat 11, two torsion springs 10 are sleeved on one side of the connecting shaft 9, two fixing plates 8 are fixed on the upper surface of each inserting plate 4 through bolts, and the connecting shaft 9 is rotatably connected with the fixing plates 8, two ends of a torsion spring 10 are respectively fixed with a fixed seat 11 and a fixed plate 8, one side of a connecting shaft 9 is fixed with a pressing plate 7 through a bolt, the pressing plate 7 is rotatably connected with the fixed seat 11, a plurality of mounting plates 12 are fixed on the upper surface of the base 1 through bolts, the mounting plate 12 is fixed with the guide rod 3, a plurality of magnetic force pieces 13 are fixed on the upper surface of the base 1 through bolts, a plurality of telescopic rods 19 are fixed on one side of two of the mounting plates 12 and two sides of the other mounting plate 12 through bolts, one end of each telescopic rod 19 is fixed with a clamping plate 18 through bolts, a test tube passes through the limiting hole 6 and is placed on the magnetic force pieces 13, the telescopic rods 19 are stretched to proper positions to enable the clamping plates 18 to stably clamp the test tube, thereby carry out abundant fixed to the test tube, avoid the test tube to rock the influence and draw the result, spring 20 has been cup jointed to one side of telescopic link 19, and spring 20's both ends are fixed mutually with splint 18 and mounting panel 12 respectively.

In the utility model, it should be noted that, one side of the inserting plate 4 is provided with a plurality of limiting holes 6, the limiting holes 6 are positioned above the magnetic member 13, the limiting holes 6 can limit the position of the test tube moving above, one side of the mounting plate 12 is provided with a plurality of viewing ports 17, the viewing ports 17 are symmetrically distributed, the upper surface of the magnetic member 13 is bonded with a buffer cushion 14, the buffer cushion 14 can buffer the test tube to avoid the test tube from being broken due to impact, the upper surface of the pressing plate 7 is fixed with a handle 16 through bolts, the handle 16 is convenient for workers to pull the pressing plate 7, the physical strength of the workers is saved, one side of the handle 16 is bonded with an anti-slip sleeve, the bottom of the base 1 is bonded with a plurality of rubber pads 2, the rubber pads 2 are uniformly distributed, one side of the fixing seat 11 is fixed with a baffle 15 through bolts, the rotating pressing plate 7 covers the test tube in the limiting holes 6, the baffle 15 limits the rotating angle of the pressing plate 7, and the pressure plate 7 and the fixed seat 11 are kept in a mutually perpendicular state.

The working principle is as follows: when needing to draw the nucleic acid in the test tube solution, at first the threaded rod 5 rotates, make picture peg 4 along the suitable position that guide bar 3 reciprocated, then upwards pulling handle 16, make clamp plate 7 rotate and leave baffle 15, torsional spring 10 produces the deformation simultaneously, then pass spacing hole 6 to the test tube and place magnetic part 13 on, test tube extrusion splint 18, make telescopic link 19 shrink, spring 20 shortens, thereby make splint 18 move the suitable position and stabilize the centre gripping to the test tube, then upwards promote handle 16, make clamp plate 7 produce and rotate and contact with baffle 15, thereby make clamp plate 7 cover the test tube, then magnetic part 13 draws the nucleic acid in the test tube solution, thereby make the extraction result of device prepare more effectively.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The magnetic force frame for the manual extraction of nucleic acid comprises a base (1) and is characterized in that the upper surface of the base (1) is fixedly connected with a plurality of guide rods (3), one side of each guide rod (3) is movably connected with an inserting plate (4), one side of each inserting plate (4) is provided with two threaded holes, each threaded hole is movably connected with a threaded rod (5), each threaded rod (5) is rotatably connected with the base (1), one side of each inserting plate (4) is fixedly connected with two fixing seats (11), one side of each fixing seat (11) is movably connected with a connecting shaft (9), one side of each connecting shaft (9) is movably connected with two torsion springs (10), the upper surface of each inserting plate (4) is fixedly connected with two fixing plates (8), each connecting shaft (9) is rotatably connected with the corresponding fixing plate (8), and the two ends of each torsion spring (10) are respectively fixed with the corresponding fixing seat (11) and the corresponding fixing plate (8), one side fixedly connected with clamp plate (7) of connecting axle (9), and clamp plate (7) rotate with fixing base (11) and be connected, the last fixed surface of base (1) is connected with a plurality of mounting panels (12), and mounting panel (12) are fixed mutually with guide bar (3), the last fixed surface of base (1) is connected with a plurality of magnetic force pieces (13), one side of mounting panel (12) wherein two and the equal a plurality of telescopic links (19) of fixedly connected with in both sides of mounting panel (12) another, one end fixedly connected with splint (18) of telescopic link (19), one side swing joint of telescopic link (19) has spring (20), and the both ends of spring (20) are fixed mutually with splint (18) and mounting panel (12) respectively.

2. The magnetic rack for manually extracting nucleic acid according to claim 1, wherein one side of the inserting plate (4) is provided with a plurality of limiting holes (6), and the limiting holes (6) are positioned above the magnetic member (13).

3. The magnetic rack for manually extracting nucleic acid as claimed in claim 1, wherein a plurality of observation ports (17) are formed on one side of the mounting plate (12), and the observation ports (17) are symmetrically distributed.

4. The magnetic rack for manually extracting nucleic acid according to claim 1, wherein the buffer pad (14) is fixedly connected to the upper surface of the magnetic member (13).

5. The magnetic rack for manual extraction of nucleic acid according to claim 1, wherein the upper surface of the pressing plate (7) is fixedly connected with a handle (16), and one side of the handle (16) is fixedly connected with an anti-slip sleeve.

6. The magnetic rack for the manual extraction of nucleic acid according to claim 1, wherein the bottom of the base (1) is fixedly connected with a plurality of rubber pads (2), and the rubber pads (2) are uniformly distributed.

7. The magnetic rack for manually extracting nucleic acid according to claim 2, wherein a baffle (15) is fixedly connected to one side of the fixed seat (11).