CN216274045U

CN216274045U - Nucleic acid extractor for novel coronavirus nucleic acid detection laboratory

Info

Publication number: CN216274045U
Application number: CN202122131012.6U
Authority: CN
Inventors: 刘远波
Original assignee: Shenzhen Jotilo Laboratory Equipment Co ltd
Current assignee: Shenzhen Jotilo Laboratory Equipment Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-12
Anticipated expiration: 2031-09-06

Abstract

The utility model relates to the technical field of nucleic acid extraction, and discloses a nucleic acid extraction instrument for a new coronavirus nucleic acid detection laboratory, which comprises a body, wherein a support plate is fixedly arranged on the lower side of the inner wall of the left side of the body, a driving mechanism is arranged between the body and the support plate, an electromagnetic rod is fixedly connected in the body through the driving mechanism, a first sleeve is rotatably connected to the left side of the lower side wall of the body through a first bearing, a second sleeve is fixedly sleeved on the lower side of the support plate through the driving mechanism, a limiting mechanism is arranged on the outer wall of the second sleeve, a rotating rod is rotatably connected to the middle end of the inner wall of the lower side of the body through a second bearing, a transmission mechanism is arranged between the first sleeve and the rotating rod, a bottom plate is fixedly arranged at the middle end of the rod wall of the rotating rod, and a placing plate is fixedly arranged at the upper end of the rod wall of the rotating rod. The utility model effectively improves the efficiency of nucleic acid extraction, is convenient to operate and is convenient to store and clean the test tube.

Description

Nucleic acid extractor for novel coronavirus nucleic acid detection laboratory

Technical Field

The utility model relates to the technical field of nucleic acid extraction, in particular to a nucleic acid extractor for a new coronavirus nucleic acid detection laboratory.

Background

The nucleic acid extraction instrument is an instrument used for completing the extraction work of nucleic acid samples, the nucleic acid extraction generally adopts a magnetic rod method for extraction, the separation of nucleic acid is realized by fixing liquid and transferring magnetic beads, a magnet is separated from waste liquid by the adsorption of the magnetic beads by the magnetic rod, and the waste liquid is put into the liquid of the next step, so that the extraction of the nucleic acid is realized.

When extracting the work in current nucleic acid, mainly separate with manual operation, inefficiency and artifical security are relatively poor, can not be quick take out the magnetic bead from the waste liquid and put into subsequent liquid, and the test tube of depositing can not comparatively convenient take out clear up.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, when nucleic acid is extracted, the manual work efficiency is low, certain potential safety hazards exist, a test tube cannot be taken out and cleaned conveniently after the nucleic acid is extracted, and the nucleic acid extractor for the new coronavirus nucleic acid detection laboratory is provided for improving the efficiency of nucleic acid extraction, ensuring the stability of the nucleic acid extraction and facilitating the cleaning of the test tube.

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

a nucleic acid extractor for a new coronavirus nucleic acid detection laboratory comprises a body, a supporting plate is fixedly arranged on the lower side of the inner wall of the left side of the body, a driving mechanism is arranged between the body and the supporting plate, an electromagnetic rod is fixedly connected in the body through the driving mechanism, the left side of the lower side wall of the body is rotationally connected with a first sleeve through a first bearing, the lower side of the supporting plate is fixedly sleeved with a second sleeve through a driving mechanism, the outer wall of the second sleeve is provided with a limiting mechanism, the middle end of the inner wall of the lower side of the body is rotatably connected with a rotating rod through a second bearing, a transmission mechanism is arranged between the first sleeve and the rotating rod, a bottom plate is fixedly arranged at the middle end of the rod wall of the rotating rod, the fixed board of placing that is equipped with in pole wall upper end of bull stick, the inside symmetry of placing the board has seted up fixture, two fixture inside activity grafting respectively has adsorbed test tube and washing test tube.

Preferably, actuating mechanism includes reciprocal lead screw, motor and slider, the both ends pole wall of reciprocal lead screw is connected with body upside inner wall and backup pad upper surface rotation through the third bearing respectively, the pole wall threaded connection of slider and reciprocal lead screw, the pole wall lower extreme of reciprocal lead screw runs through the lower surface of backup pad and cup joints with the second sleeve is fixed, the left side wall fixed connection of electromagnetic bar and slider, the upper surface left side fixed connection of motor and body, the pole wall upper end of reciprocal lead screw upwards run through the body the side wall and with the output fixed connection of motor.

Preferably, stop gear includes pivot, telescopic link, first spring and limiting plate, the sheathed tube outer wall of second is seted up flutedly, the both ends axial wall of pivot rotates with preceding, the back lateral wall of recess through the fourth bearing respectively and is connected, the limiting plate cup joints with the axial wall of pivot is fixed, the both ends axial wall of telescopic link is respectively through the left side wall of pivot and recess and the axial wall left end fixed connection of limiting plate, first spring cup joints with the rod wall activity of telescopic link, tooth has been seted up to first sheathed tube inner wall, the second sleeve pipe is pegged graft with first sleeve pipe.

Preferably, drive mechanism includes two belt pulleys and belt, two the belt pulley is cup jointed with the outer wall of first sleeve pipe and bull stick is fixed respectively, two the belt pulley is connected through the belt rotation respectively.

Preferably, the clamping mechanism comprises a plurality of second springs and a plurality of arc-shaped plates, the inner portion of the placing plate is symmetrically provided with openings, each second spring is fixedly connected with the side wall of each opening, and each arc-shaped plate is fixedly connected with one end, close to the corresponding second spring, of each arc-shaped plate.

Preferably, a limiting block is fixedly arranged on the left side wall of the sliding block, a limiting hole is formed in the limiting block, a limiting rod is movably inserted in the limiting hole, and rod walls at two ends of the limiting rod are fixedly connected with the inner wall of the upper side of the body and the upper surface of the supporting plate respectively.

Compared with the prior art, the utility model provides a nucleic acid extractor for a new coronavirus nucleic acid detection laboratory, which has the following beneficial effects:

1. this new corona virus nucleic acid testing laboratory is with nucleic acid extraction appearance can adsorb the back at the magnetic bead through setting up actuating mechanism, removes the electromagnetic rod to inside adsorbing the test tube, adsorbs the back with the magnetic bead when the electromagnetic rod, can be fast with adsorbing test tube and washing test tube exchange position, and then can remove the electromagnetic rod to inside the washing test tube, makes nucleic acid break away from the magnetic bead, and convenient operation reduces the operating time that nucleic acid extracted, promotes extraction efficiency.

2. This new corona virus nucleic acid testing laboratory is with nucleic acid extraction appearance, through fixture, when using, can directly place inside placing the board with adsorbing the test tube and washing test tube, and avoid it to produce the collision, can directly take out the test tube after the use, the clearance of being convenient for.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the utility model effectively improves the efficiency of nucleic acid extraction, is convenient to operate and is convenient to store and clean the test tube.

Drawings

FIG. 1 is a schematic structural diagram of a nucleic acid extractor for a novel coronavirus nucleic acid detection laboratory according to the present invention;

FIG. 2 is a schematic view of a connection structure of the first sleeve and the limiting mechanism in FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is an enlarged schematic view of a part B in fig. 2.

In the figure: the device comprises a body 1, a support plate 2, an electromagnetic rod 3, a first sleeve 4, a second sleeve 5, a rotating rod 6, a bottom plate 7, a placing plate 8, a reciprocating screw rod 9, a motor 10, a sliding block 11, a rotating shaft 12, a telescopic rod 13, a first spring 14, a limiting plate 15, a belt pulley 16, a belt 17, a second spring 18, an arc plate 19, a limiting block 20 and a limiting rod 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a new crown virus nucleic acid testing laboratory is with nucleic acid extraction appearance, including body 1, the fixed backup pad 2 that is equipped with of left side inner wall downside of body 1, be equipped with actuating mechanism between body 1 and the

backup pad

2, 1 inside driving mechanism fixedly connected with electromagnetic rod 3 that passes through of body, 1's the lower side wall left side of body is rotated through first bearing and is connected with first sleeve 4, the second sleeve 5 has been cup jointed through actuating mechanism is fixed to the downside of backup pad 2, stop gear has been seted up to the outer wall of

second sleeve

5, 1 downside inner wall middle-end of body is rotated through the second bearing and is connected with bull stick 6, be equipped with drive mechanism between first sleeve 4 and the bull stick 6, the fixed bottom plate 7 that is equipped with in pole wall middle-end of bull stick 6, the fixed board 8 of placing that is equipped with in pole wall upper end of bull stick 6, the inside symmetry of placing board 8 has seted up fixture, two fixture inside activity pegs graft respectively has absorption test tube and washing test tube.

Actuating mechanism includes reciprocal lead screw 9, motor 10 and slider 11, the both ends pole wall of reciprocal lead screw 9 is connected through third bearing and 1 upside inner wall of body and the 2 upper surfaces of backup pad respectively and rotates, slider 11 and reciprocal lead screw 9's pole wall threaded connection, the pole wall lower extreme of reciprocal lead screw 9 runs through backup pad 2's lower surface and cup joints with second sleeve 5 is fixed, electromagnetic rod 3 and slider 11's left side wall fixed connection, motor 10 and body 1's upper surface left side fixed connection, the pole wall upper end of reciprocal lead screw 9 upwards runs through body 1's upside wall and with motor 10's output fixed connection.

Stop gear includes pivot 12, telescopic link 13, first spring 14 and limiting plate 15, the outer wall of second sleeve pipe 5 is seted up flutedly, the both ends axial wall of pivot 12 is respectively through preceding of fourth bearing and recess, the back lateral wall rotates to be connected, limiting plate 15 cup joints with the axial wall of pivot 12 is fixed, the both ends axial wall of telescopic link 13 is respectively through the left side wall of pivot and recess and the axial wall left end fixed connection of limiting plate 15, first spring 14 cup joints with the rod wall activity of telescopic link 13, tooth has been seted up to the inner wall of first sleeve pipe 4, second sleeve pipe 5 is pegged graft with first sleeve pipe 4.

The transmission mechanism comprises two belt pulleys 16 and a belt 17, the two belt pulleys 16 are fixedly sleeved with the outer walls of the first sleeve 4 and the rotating rod 6 respectively, and the two belt pulleys 16 are rotatably connected through the belt 17 respectively.

Fixture includes a plurality of second springs 18 and a plurality of arc 19, places the inside symmetry of board 8 and has seted up the opening, every second spring 18 all with open-ended lateral wall fixed connection, every arc 19 respectively with the second spring 18 that corresponds be close to one end fixed connection mutually.

The fixed stopper 20 that is equipped with of left side wall of slider 11, spacing hole has been seted up to stopper 20's inside, and the inside activity in spacing hole is pegged graft and is had gag lever post 21, and gag lever post 21's both ends pole wall is connected with 1 upside inner wall of body and 2 upper surface fixed connection of backup pad respectively.

In the utility model, when in use, magnetic beads are put in an adsorption test tube, the magnetic beads adsorb the cracked nucleic acid, after the adsorption is finished, the motor 10 is turned on, the motor 10 rotates reversely to drive the reciprocating screw rod 9 to rotate, thereby driving the slide block 11 to move downwards, when the slide block 11 moves downwards, the synchronous drive magnetic rod 3 moves downwards to the inside of the adsorption test tube, the magnetic rod 3 is electrified to generate magnetic force to adsorb the magnetic beads, at the moment, the motor 10 continues to rotate reversely to drive the slide block 11 to move upwards through the reciprocating screw rod 9, thereby driving the magnetic rod 3 to be separated from the adsorption test tube, at the moment, the motor 10 rotates forwards, when the motor 10 rotates forwards to drive the reciprocating screw rod 9 to rotate forwards, the lower end of the reciprocating screw rod 9 drives the second sleeve 5 to rotate, at the moment, the limiting plate 15 blocks and limits teeth, thereby driving the first sleeve 4 to rotate, and when the first sleeve 4 rotates, the left belt pulley 17 is driven to rotate, and then drive right side belt pulley 17 through belt 16 and rotate, and then drive bull stick 6 and rotate, it places the board 8 rotation to drive when bull stick 6 rotates, thereby make the absorption test tube carry out the position exchange with the washing test tube, motor 10 corotation drives reciprocal lead screw 9 and rotates simultaneously, thereby drive slider 11 and continue the downstream, and then synchronous electromagnetic bar 3 moves inside the washing test tube, can be inside magnetic bead surface adsorption's nucleic acid separation to the washing test tube this moment, accomplish the extraction of nucleic acid with this.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The nucleic acid extraction instrument for the new coronavirus nucleic acid detection laboratory comprises a body (1) and is characterized in that a supporting plate (2) is fixedly arranged on the lower side of the inner wall of the left side of the body (1), a driving mechanism is arranged between the body (1) and the supporting plate (2), an electromagnetic rod (3) is fixedly connected inside the body (1) through the driving mechanism, a first sleeve (4) is rotatably connected to the left side of the inner wall of the lower side of the body (1) through a first bearing, a second sleeve (5) is fixedly sleeved on the lower side of the supporting plate (2) through the driving mechanism, a limiting mechanism is arranged on the outer wall of the second sleeve (5), a rotating rod (6) is rotatably connected to the middle end of the inner wall of the lower side of the body (1) through a second bearing, a transmission mechanism is arranged between the first sleeve (4) and the rotating rod (6), a bottom plate (7) is fixedly arranged at the middle end of the rod wall of the rotating rod (6), the test tube rack is characterized in that a placing plate (8) is fixedly arranged at the upper end of the rod wall of the rotating rod (6), clamping mechanisms are symmetrically arranged inside the placing plate (8), and the clamping mechanisms are movably inserted into adsorption test tubes and washing test tubes respectively.

2. The nucleic acid extractor for testing laboratory of new coronavirus nucleic acid according to claim 1, it is characterized in that the driving mechanism comprises a reciprocating screw rod (9), a motor (10) and a slide block (11), the rod walls at the two ends of the reciprocating screw rod (9) are respectively and rotatably connected with the inner wall of the upper side of the body (1) and the upper surface of the supporting plate (2) through a third bearing, the slide block (11) is in threaded connection with the rod wall of the reciprocating screw rod (9), the lower end of the rod wall of the reciprocating screw rod (9) penetrates through the lower surface of the support plate (2) and is fixedly sleeved with the second sleeve (5), the electromagnetic rod (3) is fixedly connected with the left side wall of the sliding block (11), the motor (10) is fixedly connected with the left side of the upper surface of the body (1), the upper end of the rod wall of the reciprocating screw rod (9) upwards penetrates through the upper side wall of the body (1) and is fixedly connected with the output end of the motor (10).

3. The nucleic acid extraction instrument for the new coronavirus nucleic acid detection laboratory according to claim 1, wherein the limiting mechanism comprises a rotating shaft (12), a telescopic rod (13), a first spring (14) and a limiting plate (15), the outer wall of the second sleeve (5) is provided with a groove, shaft walls at two ends of the rotating shaft (12) are respectively rotatably connected with front and rear side walls of the groove through a fourth bearing, the limiting plate (15) is fixedly sleeved with the shaft wall of the rotating shaft (12), the shaft walls at two ends of the telescopic rod (13) are respectively fixedly connected with the left side wall of the groove and the left end of the rod wall of the limiting plate (15) through a shaft pin, the first spring (14) is movably sleeved with the rod wall of the telescopic rod (13), teeth are arranged on the inner wall of the first sleeve (4), and the second sleeve (5) is inserted into the first sleeve (4).

4. The nucleic acid extractor for the new coronavirus nucleic acid testing laboratory according to claim 1, wherein the transmission mechanism comprises two belt pulleys (16) and a belt (17), the two belt pulleys (16) are respectively fixedly sleeved with the outer walls of the first sleeve (4) and the rotating rod (6), and the two belt pulleys (16) are respectively rotatably connected through the belt (17).

5. The nucleic acid extractor for the new coronavirus nucleic acid testing laboratory according to claim 1, wherein the clamping mechanism comprises a plurality of second springs (18) and a plurality of arc-shaped plates (19), the placing plate (8) is symmetrically provided with an opening inside, each second spring (18) is fixedly connected with a side wall of the opening, and each arc-shaped plate (19) is fixedly connected with one end of the corresponding second spring (18) close to the end.

6. The nucleic acid extraction instrument for the new coronavirus nucleic acid detection laboratory according to claim 2, wherein a limiting block (20) is fixedly arranged on the left side wall of the sliding block (11), a limiting hole is formed in the limiting block (20), a limiting rod (21) is movably inserted in the limiting hole, and rod walls at two ends of the limiting rod (21) are fixedly connected with the inner wall of the upper side of the body (1) and the upper surface of the support plate (2) respectively.