CN213699681U - Full-automatic agitating unit for nucleic acid extraction appearance - Google Patents
Full-automatic agitating unit for nucleic acid extraction appearance Download PDFInfo
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- CN213699681U CN213699681U CN202021631453.1U CN202021631453U CN213699681U CN 213699681 U CN213699681 U CN 213699681U CN 202021631453 U CN202021631453 U CN 202021631453U CN 213699681 U CN213699681 U CN 213699681U
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Abstract
The utility model discloses a full-automatic agitating unit for nucleic acid extraction appearance relates to the nucleic acid field of drawing, including two support columns, base and test-tube rack, the base both ends respectively with two support column fixed connection, the upper end of base rotates through a plurality of antifriction bearing and pegs graft and have a plurality of evenly distributed's bull stick, and is a plurality of the equal fixedly connected with magnet in upper end of bull stick, it is a plurality of the lower extreme of bull stick all extends to the below and the fixedly connected with gear of base, left side the open slot has been seted up to support column below inside, the inboard fixed mounting of open slot has the motor, the output of motor passes through shaft coupling fixedly connected with movable rod. The utility model discloses a reciprocating device operation of motor drive installation base drives magnet and rotates the in-process to form magnetic field induction effect with the rotor in the test tube, and then drive the reciprocal even stirring sample of rotor and mix the liquid, improved the effect of stirring, the setting of 6 test-tube racks has improved stirring efficiency.
Description
Technical Field
The utility model relates to an automatic change nucleic acid and draw technical field, in particular to agitating unit for full-automatic nucleic acid extraction appearance.
Background
Nucleic acids, which are the collective term for deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), are a class of biopolymers that are essential to all known life forms, and nucleic acids are composed of nucleotides, while nucleotide monomers are composed of a 5-carbon sugar, a phosphate group, and a nitrogenous base, and if the 5-carbon sugar is ribose, the polymer formed is RNA, and if the 5-carbon sugar is deoxyribose, the polymer formed is DNA.
Nucleic acid extraction is the basis of many biological experiments, the nucleic acid extractor is widely used in medicine and biology as an automatic high-flux instrument, the current nucleic acid extraction reaction system is generally below 1ml, but many experiments need to extract free nucleic acid from a large amount of samples, and then need the experimental samples of the large-volume reaction system, most of the current nucleic acid extraction stirring methods are manual stirring, the number of one-time stirring is small, the efficiency is low, and the nucleic acid is easy to be polluted, partial automatic stirring methods are common methods such as magnetic rod sleeve up-down vibration, integral part vibration and the like, while the magnetic rod vibration method is not uniform when the sample mixed liquid is large in volume, the integral part vibration is not suitable for the sample mixed liquid of the large-volume reaction system, and some rotors are used for stirring, and rotate towards the same direction during stirring, so that vacuum vortex is easy to occur, resulting in uneven stirring.
Therefore, it is necessary to provide a stirring apparatus for a fully automatic nucleic acid isolation apparatus to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a full-automatic agitating unit for nucleic acid extraction appearance to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a stirring device for a full-automatic nucleic acid extraction instrument comprises two supporting columns, a base and a test tube rack, wherein two ends of the base are respectively and fixedly connected with the two supporting columns, the upper end of the base is rotatably inserted with a plurality of uniformly distributed rotating rods through a plurality of rolling bearings, the upper ends of the rotating rods are fixedly connected with magnets, the lower ends of the rotating rods extend to the lower part of the base and are fixedly connected with gears, an open slot is formed in the supporting column on the left side, a motor is fixedly installed on the inner side of the open slot, the output end of the motor is fixedly connected with a movable rod through a coupler, the other end of the movable rod is fixedly connected with an L-shaped rod, the front sides of the gears are jointly engaged and connected with a rack rod, a rectangular frame is fixedly connected on the left side of the rack rod, the front end of the L-shaped rod is inserted into the rectangular frame and, the spout has been seted up to rack bar below, a plurality of evenly distributed's of base below fixedly connected with U type support, the inside slider that is equipped with of U type support, one end one side of rack bar is passed a plurality of U type supports and is passed through slider and spout and a plurality of U type support sliding connection, and is a plurality of the top of magnet is equipped with the test-tube rack bottom plate, the left and right sides of test-tube rack bottom plate respectively with two support column fixed connection, a plurality of evenly distributed's of top fixedly connected with test-tube rack of test-tube rack bottom plate, it is a plurality of the test-tube rack corresponds with a plurality of the magnet position respectively, and is a plurality of the equal activity in inside of test-tube rack is inserted and is equipped with the test tube, the inside of test tube placed with.
Preferably, a motor supporting plate is fixed to the inner side of the open slot, a motor mounting seat is installed above the motor supporting plate, and the motor is fixedly installed on the motor mounting seat.
Preferably, the number of the test tube racks is 6, and the number of the top of the test tube rack and the number of the corresponding magnets are also 6.
Preferably, lubricating oil is uniformly coated on the gear and the rack rod.
Preferably, the caliber of the test tube rack is matched with the test tube, and the test tube rack is made of transparent materials.
Preferably, the rotor is in the shape of a sphere, and the diameter of the rotor is one third of the diameter of the test tube.
The utility model discloses a technological effect and advantage:
1. the rectangular frame is driven by a motor to rotate in a reciprocating manner, the rectangular frame rotates in a reciprocating manner and drives a rack rod connected to one end of the rectangular frame, the rack rod is fixedly connected to a base, a U-shaped support with a sliding block is arranged on the U-shaped support, a sliding groove is formed below the rack rod, friction force is reduced, the machine can run more labor-saving, a plurality of uniformly distributed rotating rods are rotatably inserted into the upper end of the base through a plurality of rolling bearings, magnets are fixedly connected to the upper ends of the plurality of rotating rods, the lower ends of the plurality of rotating rods extend to the lower side of the base and are fixedly connected with gears, and the motor drives the gears to rotate so that the device can rotate in a reciprocating manner, so that when a solution in a test tube rotates, uneven stirring caused by vacuum vortex;
2. lubricating oil is coated on the gear and the rack rod, so that the gear is more labor-saving to rotate, 6 test tube racks are arranged, 6 solutions can be stirred at one time, and the stirring efficiency is improved;
3. the rotor that attracts mutually with the magnet has been placed through the bottom of test tube, and the rotor is placed in the test tube for stirring sample, magnetic bead and reagent, make the sample mixed liquid more even.
Drawings
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is a schematic structural diagram of the reciprocating mechanism of the present invention.
Fig. 3 is a schematic view of the structure of the motor of the present invention.
Fig. 4 is a schematic view of the structure of the rotating rod of the present invention.
Fig. 5 is a schematic view of the rack bar structure of the present invention.
In the figure: 1. a support pillar; 2. a motor mounting seat; 3. a magnet; 4. a test tube; 5. a test tube rack; 6. a test tube rack bottom plate; 7. a movable rod; 8. a motor; 9. a support plate; 10. a rectangular frame; 11. a U-shaped bracket; 12. A base; 13. a rack bar; 14. a rotating rod; 15. a gear; 16. an open slot; 17. an L-shaped rod; 18. a slider; 19. a chute.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a stirring device for a full-automatic nucleic acid extraction instrument as shown in figures 1-5, which comprises two support columns 1, a base 12 and a test tube rack 5, wherein two ends of the base 12 are respectively and fixedly connected with the two support columns 1, the area of the base 12 is large, so that the device is more stably placed, a plurality of uniformly distributed rotating rods 14 are rotatably inserted in the upper end of the base 12 through a plurality of rolling bearings, the upper ends of the plurality of rotating rods 14 are all fixedly connected with magnets 3, the lower ends of the plurality of rotating rods 14 extend to the lower part of the base 12 and are fixedly connected with gears 15, an open slot 16 is arranged in the lower part of the support column 1 at the left side, a motor 8 is fixedly arranged at the inner side of the open slot 16, the output end of the motor 8 is fixedly connected with a movable rod 7 through a shaft coupling, the other end of the movable rod 7 is fixedly connected with an, the left side of a rack bar 13 is fixedly connected with a rectangular frame 10, the front end of an L-shaped bar 17 is inserted into the rectangular frame 10 and is in sliding connection with the rectangular frame 10, a sliding groove 19 is arranged below the rack bar 13, a plurality of evenly distributed U-shaped supports 11 are fixedly connected below a base 12, the arrangement enables the device to form a reciprocating mechanism, magnets can rotate in a reciprocating manner and are even during stirring, a sliding block 18 is arranged inside each U-shaped support 11, one side of one end of the rack bar 13 penetrates through the plurality of U-shaped supports 11 and is in sliding connection with the plurality of U-shaped supports 11 through the sliding blocks 18 and the sliding grooves 19, the friction force between the rack bar 13 and the U-shaped supports 11 is reduced, a test tube rack bottom plate 6 is arranged above the plurality of magnets 3, the left side and the right side of the test tube rack bottom plate 6 are respectively and fixedly connected with two supporting columns 1, a plurality of evenly distributed test tube racks 5 are fixedly connected to the top of the test tube rack bottom, the equal activity of the inside of a plurality of test-tube racks 5 is inserted and is equipped with test tube 4, and the rotor of attracting mutually with magnet 3 has been placed to the inside of test tube 4, and the rotor is disposable, can not cause cross contamination between the sample, and the rotor is placed at the intraductal for stirring sample, magnetic bead and reagent, make it even.
As shown in figure 3, the motor mounting seat 2 is installed above the motor supporting plate 9 fixed with the motor supporting plate 9 on the inner side of the open slot 16, and the motor 8 is fixedly installed on the motor mounting seat 2, so that the motor is installed with stability, and the stirring effect cannot be influenced.
As shown in fig. 1, the number of the test tube racks 5 is 6, the number of the top of the test tube rack 5 and the number of the corresponding magnets 3 are also 6, and 6 solutions can be stirred at a time to accelerate the stirring efficiency.
As shown in fig. 5, the gear 15 and the rack bar 13 are uniformly coated with lubricating oil.
As shown in figure 1, the caliber of the test tube rack 5 is matched with the test tube, and the test tube rack 5 is made of transparent materials, so that the stirring effect of the solution can be observed conveniently.
As shown in fig. 1, the rotor is in the shape of a sphere, and the diameter of the rotor is one third of the diameter of the test tube 4.
The utility model discloses the theory of operation: place test tube 4 inside test-tube rack 5, starter motor 8, the movable rod 7 of motor 8 rotates, drive the rotation of L type pole 17, the rotation of L type pole 17 drives the rotation of rectangle frame 10, thereby realize the reciprocating motion of rack bar 13, also realize reciprocating rotation with gear 15 that rack bar 13 meshing is connected, gear 15 will drive magnet 3 and rotate together rotating at the rotation in-process, when magnet 3 rotates, produce a rotatory magnetic field, because magnetic field induction effect, when magnet 3 rotates, coupling force through the magnet, the rotor reciprocating rotation of 4 bottoms of drive test tube, the rotor carries out even stirring to nucleic acid sample mixed liquid at rotatory in-process.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a full-automatic agitating unit for nucleic acid extraction appearance, includes two support columns (1), base (12) and test-tube rack (5), its characterized in that: the two ends of the base (12) are respectively fixedly connected with the two supporting columns (1), the upper end of the base (12) is rotatably inserted with a plurality of uniformly distributed rotating rods (14) through a plurality of rolling bearings, the upper ends of the rotating rods (14) are fixedly connected with magnets (3), the lower ends of the rotating rods (14) extend to the lower part of the base (12) and are fixedly connected with gears (15), an open slot (16) is formed in the lower part of the supporting column (1) on the left side, a motor (8) is fixedly installed on the inner side of the open slot (16), the output end of the motor (8) is fixedly connected with a movable rod (7) through a coupler, the other end of the movable rod (7) is fixedly connected with an L-shaped rod (17), the front sides of the gears (15) are jointly meshed with a rack rod (13), and the left side of the rack rod (13) is fixedly connected with a rectangular frame (10), the utility model discloses a test tube rack, including L shape pole (17), base (12), slide bar (11), slide block (18), slide bar (13), slide block (19) have been seted up to the front end of L shape pole (17) insert the inside of rectangle frame (10) and with rectangle frame (10) sliding connection, base (12) below fixedly connected with a plurality of evenly distributed's U type support (11), U type support (11) inside is equipped with slider (18), one end one side of rack pole (13) passes a plurality of U type support (11) and through slider (18) and slide block (19) and a plurality of U type support (11) sliding connection, a plurality of magnet (3)'s top is equipped with test-tube rack bottom plate (6), the left and right sides of test-tube rack bottom plate (6) respectively with two support column (1) fixed connection, the top fixedly connected with a plurality of evenly distributed's test-tube rack (5) of test-tube rack bottom plate (6), a plurality of test-tube rack (5) respectively with a, a plurality of test tube (4) are inserted in the inside of test tube rack (5) all the activity, placed in the inside of test tube (4) with magnet (3) looks attracted rotor.
2. The stirring device for the full-automatic nucleic acid extractor according to claim 1, wherein: the motor mounting seat is characterized in that a motor supporting plate (9) is fixed on the inner side of the open slot (16), a motor mounting seat (2) is installed above the motor supporting plate (9), and the motor (8) is fixedly installed on the motor mounting seat (2).
3. The stirring device for the full-automatic nucleic acid extractor according to claim 1, wherein: the number of the test tube racks (5) is 6, and the number of the tops of the test tube racks (5) and the number of the corresponding magnets (3) are also 6.
4. The stirring device for the full-automatic nucleic acid extractor according to claim 1, wherein: lubricating oil is uniformly coated on the gear (15) and the rack rod (13).
5. The stirring device for the full-automatic nucleic acid extractor according to claim 1, wherein: the caliber of the test tube rack (5) is matched with the test tube, and the test tube rack (5) is made of transparent materials.
6. The stirring device for the full-automatic nucleic acid extractor according to claim 1, wherein: the rotor is in the shape of a sphere, and the diameter of the rotor is one third of that of the test tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021631453.1U CN213699681U (en) | 2020-08-07 | 2020-08-07 | Full-automatic agitating unit for nucleic acid extraction appearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021631453.1U CN213699681U (en) | 2020-08-07 | 2020-08-07 | Full-automatic agitating unit for nucleic acid extraction appearance |
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| CN213699681U true CN213699681U (en) | 2021-07-16 |
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| CN202021631453.1U Active CN213699681U (en) | 2020-08-07 | 2020-08-07 | Full-automatic agitating unit for nucleic acid extraction appearance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559732A (en) * | 2022-03-18 | 2022-05-31 | 黄石永兴隆电子有限公司 | Silk screen printing equipment of single face flexible line way board |
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2020
- 2020-08-07 CN CN202021631453.1U patent/CN213699681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559732A (en) * | 2022-03-18 | 2022-05-31 | 黄石永兴隆电子有限公司 | Silk screen printing equipment of single face flexible line way board |
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