CN214694129U

CN214694129U - Isolation device for extracting virus nucleic acid

Info

Publication number: CN214694129U
Application number: CN202121067196.8U
Authority: CN
Inventors: 张海娟; 任春娥; 贾亮花; 温钰; 柴宇江
Original assignee: Shanxi Shining High Tech Medical Testing Center Co ltd
Current assignee: Shanxi Shining High Tech Medical Testing Center Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-12
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a virus nucleic acid draws isolating device relates to nucleic acid detection technical field, specifically is a virus nucleic acid draws isolating device, including box, sealed lid and disc, the interior roof fixedly connected with supporting spring of sealed lid, supporting spring's one end fixedly connected with dome, the ring channel has been seted up to the bottom of dome, the inside fixedly connected with seal block of ring channel. This viral nucleic acid extraction isolating device, through the setting of sealed lid, supporting spring, dome, sealed piece, centrifuge tube, drum, sealing ring and semicircle piece, make this viral nucleic acid extraction isolating device possess and improve sealing performance, conveniently keep apart the air current, avoid polluted environment's effect, at the in-process centrifuge tube that uses respectively with sealed piece and the inseparable butt of sealing ring, the drum cup joints in the outside of centrifuge tube to play the effect that improves sealing performance, reached the purpose that conveniently keeps apart the air current.

Description

Isolation device for extracting virus nucleic acid

Technical Field

The utility model relates to a nucleic acid detects technical field, specifically is a virus nucleic acid draws isolating device.

Background

In the current medical examination, a high-speed refrigerated centrifuge is adopted to extract virus nucleic acid, wherein the centrifugal speed of the high-speed refrigerated centrifuge during operation is as high as more than ten thousand revolutions per minute. In the centrifugation process, the residual active sample at the position of a centrifugal pipe orifice and the like is dispersed to the air in a laboratory along with the high-speed rotating air flow to form bioactive aerosol, and great pollution can be caused to the environment, so that the health of laboratory workers is harmed, and when the centrifugal cylinder is opened for sampling, the centrifugal cylinder is required to be in an aseptic environment, and the centrifugal cylinder is inconvenient to take to the aseptic environment for sampling.

The utility model discloses a viral nucleic acid draws isolator in chinese utility model patent application publication specification CN 210826153U, though this utility model conveniently adjusts centrifugal height, but this utility model's leakproofness is relatively poor, inconvenient isolation air current, and this utility model's inconvenient dismouting centrifuge bowl leads to inconvenient taking the centrifuge bowl to the sterile zone and opens the sample moreover, this utility model, has the relatively poor and inconvenient shortcoming of dismouting centrifuge bowl of leakproofness.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a virus nucleic acid draws isolating device has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a virus nucleic acid extraction isolation device comprises a box body, a sealing cover and a disc, wherein a supporting spring is fixedly connected to the inner top wall of the sealing cover, a round cover is fixedly connected to one end of the supporting spring, an annular groove is formed in the bottom of the round cover, a sealing block is fixedly connected to the inside of the annular groove, a centrifugal cylinder is inserted into the annular groove, a cylinder is fixedly connected to the bottom of the sealing cover, a sealing ring is fixedly connected to the inner surface of the cylinder, an annular groove is formed in the outer surface of the cylinder, a semi-ring block is inserted into the annular groove, a connecting block and a vertical rod are respectively fixedly connected to the outer surface of the semi-ring block, the vertical rod is rotatably connected with a matching block through a shaft rod, a limiting groove and a cross groove are respectively formed in the bottom of the centrifugal cylinder, a cross block is inserted into the cross groove, and a round groove is formed in the top of the disc, the surface of disc has seted up the adjustment tank, the spacing spring of inside fixedly connected with of adjustment tank, the one end fixedly connected with connecting rod of spacing spring, the top fixedly connected with stopper of connecting rod, the one end fixedly connected with briquetting of connecting rod.

Optionally, the centrifugal cylinder is respectively abutted to the sealing block and the sealing ring, the centrifugal cylinder is fixedly connected to the matching block, and the cylinder is sleeved outside the centrifugal cylinder.

Optionally, the number of the connecting blocks is several, two adjacent connecting blocks are connected through a bolt and a thread, and the height of the circular groove is greater than that of the semi-circular block.

Optionally, the inner diapire fixedly connected with U template of box, the bottom fixedly connected with servo motor of U template, servo motor's output and disc fixed connection, it has the wicket to articulate through the hinge in the front of box, servo motor passes through wire and external power source electric connection.

Optionally, the bottom of the centrifugal cylinder is inserted into the circular groove, the cross block is fixedly connected inside the circular groove, and the top of the sealing cover is fixedly connected with the handle.

Optionally, the end of the limiting block is inserted into the limiting groove, the circular groove is communicated with the adjusting groove, the end of the connecting rod is inserted into the adjusting groove, and the cross section of the limiting groove and the limiting block is in a half-T shape.

(III) advantageous effects

The utility model provides a virus nucleic acid draws isolating device possesses following beneficial effect:

1. this viral nucleic acid extraction isolating device, through the setting of sealed lid, supporting spring, dome, sealed piece, centrifuge tube, drum, sealing ring and semicircle piece, make this viral nucleic acid extraction isolating device possess and improve sealing performance, conveniently keep apart the air current, avoid polluted environment's effect, at the in-process centrifuge tube that uses respectively with sealed piece and the inseparable butt of sealing ring, the drum cup joints in the outside of centrifuge tube to play the effect that improves sealing performance, reached the purpose that conveniently keeps apart the air current.

2. This viral nucleic acid draws isolating device, through the setting of cross piece, spacing spring, connecting rod, stopper and briquetting, make this viral nucleic acid draw isolating device possess the effect that makes things convenient for dismouting centrifuge bowl, make spacing spring atress compression at the in-process that uses, make the stopper leave the tip of spacing groove, make the cross piece leave the cross groove, take out centrifuge bowl from the inside of circular slot to play the effect that makes things convenient for dismouting centrifuge bowl, reached the purpose that makes things convenient for dismouting centrifuge bowl.

Drawings

Fig. 1 is a schematic view of a three-dimensional cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of a front view section of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2;

fig. 4 is a schematic structural diagram of a side view section of the present invention;

fig. 5 is a schematic three-dimensional structure of the present invention.

In the figure: 1. a box body; 2. a sealing cover; 3. a disc; 4. a support spring; 5. a dome; 6. a sealing block; 7. a centrifugal cylinder; 8. a cylinder; 9. a seal ring; 10. a semi-ring block; 11. connecting blocks; 12. a vertical rod; 13. a matching block; 14. a cross block; 15. a limiting spring; 16. a connecting rod; 17. a limiting block; 18. briquetting; 19. a U-shaped plate; 20. a servo motor; 21. a small door; 22. a handle.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a virus nucleic acid extraction isolation device comprises a box body 1, a sealing cover 2 and a disc 3, wherein the virus nucleic acid extraction isolation device has the effects of improving sealing performance, conveniently isolating air flow and avoiding environmental pollution by arranging the sealing cover 2, a supporting spring 4, a circular cover 5, a sealing block 6, a centrifugal cylinder 7, a cylinder 8, a sealing ring 9 and a semi-ring block 10, wherein the centrifugal cylinder 7 is tightly abutted against the sealing block 6 and the sealing ring 9 respectively in the using process, the cylinder 8 is sleeved outside the centrifugal cylinder 7, so that the sealing performance is improved, the aim of conveniently isolating the air flow is fulfilled, a U-shaped plate 19 is fixedly connected to the inner bottom wall of the box body 1, a servo motor 20 is fixedly connected to the bottom of the U-shaped plate 19, the output end of the servo motor 20 is fixedly connected with the disc 3, a small door 21 is hinged to the front of the box body 1, and the servo motor 20 is electrically connected with an external power supply through a lead, the inner top wall of the sealing cover 2 is fixedly connected with a supporting spring 4, one end of the supporting spring 4 is fixedly connected with a round cover 5, the bottom of the round cover 5 is provided with an annular groove, the inside of the annular groove is fixedly connected with a sealing block 6, a centrifugal cylinder 7 is inserted into the annular groove, the centrifugal cylinder 7 is respectively abutted against the sealing block 6 and a sealing ring 9, the centrifugal cylinder 7 is fixedly connected with a matching block 13, the cylinder 8 is sleeved outside the centrifugal cylinder 7, the bottom of the centrifugal cylinder 7 is inserted into the annular groove, a cross block 14 is fixedly connected inside the annular groove, the top of the sealing cover 2 is fixedly connected with a handle 22, the bottom of the sealing cover 2 is fixedly connected with the cylinder 8, the inner surface of the cylinder 8 is fixedly connected with the sealing ring 9, the outer surface of the cylinder 8 is provided with an annular groove, the inside of the annular groove is inserted with a semi-ring block 10, the outer surface of the semi-ring block 10 is respectively and fixedly connected with a connecting block 11 and a vertical rod 12, the quantity of the connecting blocks 11 is a plurality of, two adjacent connecting blocks 11 are connected by a bolt screw thread, the height of the circular groove is larger than that of the semi-ring block 10, the vertical rod 12 is connected with a matching block 13 by a shaft rod in a rotating way, the bottom of the centrifugal cylinder 7 is respectively provided with a limiting groove and a cross groove, the cross block 14 is inserted in the cross groove, through the arrangement of the cross block 14, the limiting spring 15, the connecting rod 16, the limiting block 17 and the pressing block 18, the virus nucleic acid extraction and isolation device has the effect of conveniently disassembling and assembling the centrifugal cylinder 7, the limiting spring 15 is compressed under the stress in the using process, the limiting block 17 is separated from the end part of the limiting groove, the cross block 14 is separated from the cross groove, the centrifugal cylinder 7 is taken out from the inside of the circular groove, the function of conveniently disassembling and assembling the centrifugal cylinder 7 is achieved, the purpose of conveniently disassembling and assembling the centrifugal cylinder 7 is achieved, the top of the circular groove is arranged on the disc 3, an adjusting groove is arranged on the outer surface of the disc 3, spacing spring 15 of the inside fixedly connected with of adjustment tank, the one end fixedly connected with connecting rod 16 of spacing spring 15, the top fixedly connected with stopper 17 of connecting rod 16, the tip of stopper 17 is pegged graft in the inside of spacing groove, circular slot and adjustment tank intercommunication, the tip of connecting rod 16 is pegged graft in the inside of adjustment tank, and the cross street of spacing groove and stopper 17 is half T shape, the one end fixedly connected with briquetting 18 of connecting rod 16.

When the device is used, a nucleic acid solution is placed inside a centrifugal cylinder 7, a cylinder 8 is sleeved outside the centrifugal cylinder 7 through a handle 22, the centrifugal cylinder 7 is abutted to a sealing ring 9, the top of the centrifugal cylinder 7 is inserted into the inside of an annular groove, the centrifugal cylinder 7 is abutted to a sealing block 6, the sealing cover 2 is pressed downwards through the handle 22, a supporting spring 4 is stressed and compressed, a vertical rod 12 is rotated, a half ring block 10 is inserted into the inside of an annular groove, two adjacent connecting blocks 11 are in threaded connection through a dowel pin to avoid air flow flowing out, a pressing block 18 is pushed inwards to enable a limiting spring 15 to be stressed and compressed, the bottom of the centrifugal cylinder 7 is placed into the inside of the annular groove, a cross block 14 is placed into the inside of the cross groove, a limiting block 17 is placed into the inside of the limiting groove, the cross sections of the limiting block 17 and the limiting groove are both in a half T shape, the pressing block 18 is loosened, the limiting spring 15 is supported by tension, and the limiting block 17 reaches the end part of the limiting groove for limiting, the servo motor 20 drives the disc 3 to rotate to centrifugally extract the nucleic acid solution in the centrifugal cylinder 7.

To sum up, the utility model makes the virus nucleic acid extraction and isolation device have the effects of improving the sealing performance, conveniently isolating the air flow and avoiding the environmental pollution by arranging the sealing cover 2, the supporting spring 4, the round cover 5, the sealing block 6, the centrifugal cylinder 7, the cylinder 8, the sealing ring 9 and the semi-ring block 10, the centrifugal cylinder 7 is respectively and tightly abutted against the sealing block 6 and the sealing ring 9 in the using process, the cylinder 8 is sleeved outside the centrifugal cylinder 7, thereby playing the role of improving the sealing performance and achieving the purpose of conveniently isolating the air flow, through the arrangement of the cross block 14, the limiting spring 15, the connecting rod 16, the limiting block 17 and the pressing block 18, the virus nucleic acid extraction and isolation device has the effect of conveniently disassembling and assembling the centrifugal cylinder 7, the limiting spring 15 is compressed by force in the using process, the limiting block 17 is separated from the end part of the limiting groove, and the cross block 14 is separated from the cross groove, the centrifugal cylinder 7 is taken out from the inside of the circular groove, so that the centrifugal cylinder 7 is convenient to disassemble and assemble, and the aim of conveniently disassembling and assembling the centrifugal cylinder 7 is fulfilled.

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 utility model provides a virus nucleic acid draws isolating device, includes box (1), sealed lid (2) and disc (3), its characterized in that: the inner top wall of the sealing cover (2) is fixedly connected with a supporting spring (4), one end of the supporting spring (4) is fixedly connected with a round cover (5), the bottom of the round cover (5) is provided with an annular groove, the inside of the annular groove is fixedly connected with a sealing block (6), a centrifugal cylinder (7) is inserted into the annular groove, the bottom of the sealing cover (2) is fixedly connected with a cylinder (8), the inner surface of the cylinder (8) is fixedly connected with a sealing ring (9), the outer surface of the cylinder (8) is provided with an annular groove, the inside of the annular groove is inserted with a semi-ring block (10), the outer surface of the semi-ring block (10) is respectively and fixedly connected with a connecting block (11) and a vertical rod (12), the vertical rod (12) is rotatably connected with a matching block (13) through a shaft rod, and the bottom of the centrifugal cylinder (7) is respectively provided with a limiting groove and a cross groove, the novel adjustable disc is characterized in that a cross block (14) is inserted into the cross groove, a circular groove is formed in the top of the disc (3), an adjusting groove is formed in the outer surface of the disc (3), a limiting spring (15) is fixedly connected to the inside of the adjusting groove, a connecting rod (16) is fixedly connected to one end of the limiting spring (15), a limiting block (17) is fixedly connected to the top of the connecting rod (16), and a pressing block (18) is fixedly connected to one end of the connecting rod (16).

2. The isolation device for viral nucleic acid extraction according to claim 1, wherein: the centrifugal cylinder (7) is respectively abutted to the sealing block (6) and the sealing ring (9), the centrifugal cylinder (7) is fixedly connected with the matching block (13), and the cylinder (8) is sleeved outside the centrifugal cylinder (7).

3. The isolation device for viral nucleic acid extraction according to claim 1, wherein: the number of the connecting blocks (11) is several, two adjacent connecting blocks (11) are in threaded connection through studs, and the height of the circular groove is greater than that of the semi-ring block (10).

4. The isolation device for viral nucleic acid extraction according to claim 1, wherein: inner diapire fixedly connected with U template (19) of box (1), the bottom fixedly connected with servo motor (20) of U template (19), the output and disc (3) fixed connection of servo motor (20), it has wicket (21) to articulate through the hinge in the front of box (1), servo motor (20) pass through wire and external power source electric connection.

5. The isolation device for viral nucleic acid extraction according to claim 1, wherein: the bottom of the centrifugal cylinder (7) is inserted into the circular groove, the cross block (14) is fixedly connected inside the circular groove, and the top of the sealing cover (2) is fixedly connected with a handle (22).

6. The isolation device for viral nucleic acid extraction according to claim 1, wherein: the end part of the limiting block (17) is inserted in the limiting groove, the circular groove is communicated with the adjusting groove, the end part of the connecting rod (16) is inserted in the adjusting groove, and the cross section of the limiting groove and the limiting block (17) is half T-shaped.