CN219111918U

CN219111918U - Centrifugal device for DNA extraction

Info

Publication number: CN219111918U
Application number: CN202223579047.7U
Authority: CN
Inventors: 柏锦程
Original assignee: Nanjing Youtai Biotechnology Co ltd
Current assignee: Nanjing Youtai Biotechnology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-02
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a centrifugal device for extracting DNA, which relates to the technical field of DNA extraction and aims to solve the problems that the prior large-sized centrifugal device used during DNA extraction has no good automatic discharging structure in the interior, so that DNA samples are inconvenient to take after centrifugation is completed. The effects of convenient use and convenient work are achieved.

Description

Centrifugal device for DNA extraction

Technical Field

The utility model relates to the technical field of DNA extraction, in particular to a centrifugal device for DNA extraction.

Background

DNA extraction is mainly a CTAB method, other methods include physical methods such as a glass bead method, an ultrasonic method, a grinding method and a freeze thawing method, chemical methods such as a guanidine isothiocyanate method and an alkaline cracking method, and biological methods: in the enzymatic method, depending on the manner of separating and purifying nucleic acids, a siliceous material, an anion exchange resin, etc., a centrifugal device is required for DNA extraction, and in order to separate cell debris from a supernatant containing DNA, the supernatant can be removed and DNA can be precipitated therefrom.

The prior art solutions described above have the following drawbacks: the existing large-scale centrifugal device used during DNA extraction has no good automatic discharging structure, so that DNA samples are inconvenient to take after centrifugation is completed.

Disclosure of Invention

The utility model aims to provide a centrifugal device for DNA extraction, which can automatically discharge.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a centrifugal device that DNA extracted was used, includes the base, the inside fixedly connected with mount pad of base, the outside fixedly connected with first motor of mount pad, the recess is seted up to the inside of mount pad, the inside of recess is provided with the lead screw, the outside of lead screw is provided with the movable block.

Through adopting above-mentioned technical scheme, increase the structure that can go up and down to remove in the inside of base, install centrifugal part on elevation structure for centrifugal part can go on going up and down to remove, after the centrifugation, can lift the outside of base with the centrifuging tube, conveniently take the operation.

Further, the mounting seat, the first motor, the groove, the screw rod and the movable block are symmetrically provided with two groups respectively, each group of the mounting seat, the first motor, the groove, the screw rod and the movable block are respectively provided with two groups, the transmission end of the first motor is in transmission connection with one end of the screw rod, the other end of the screw rod is in rotary connection with the mounting seat through a bearing, and the movable block is in threaded connection with the screw rod.

Through adopting above-mentioned technical scheme, drive the lead screw through first motor and rotate for the movable block that is located the lead screw outside removes along the screw thread in the lead screw outside, drives the movable block and goes up and down to remove, and four sets of elevation structure simultaneously can improve the stability when the structure goes up and down.

Further, the outside fixedly connected with support plate of movable block, the one side fixedly connected with second motor in the support plate outside, the another side fixedly connected with circular slide rail in the support plate outside, the outside of circular slide rail is provided with the slider, the outside fixedly connected with centrifugation seat of slider, the standing groove has been seted up to the inside of centrifugation seat.

Through adopting above-mentioned technical scheme, drive centrifugal seat through the second motor and rotate, slip between circular slide rail and the slider simultaneously can improve the stability of structure when rotatory.

Further, the round slide rail is in sliding connection with the sliding block, the transmission end of the second motor is in transmission connection with the centrifugal seat, and the lower end of the centrifugal seat is fixedly connected with the sliding block.

Through adopting above-mentioned technical scheme, realize centrifugal function, the structure operation is got up more smoothly simultaneously.

Further, the inside of base is located the lower extreme fixedly connected with heat-conducting plate and the temperature sensor of mount pad, one side of heat-conducting plate lower extreme is provided with the hot plate, the opposite side of heat-conducting plate lower extreme is provided with the condensation plate, the front end of base is provided with control panel, the outside fixedly connected with connecting seat of base, the inside fixedly connected with electric telescopic handle of connecting seat, the upper end fixedly connected with roof of electric telescopic handle.

Through adopting above-mentioned technical scheme, through hot plate and condensate plate, can carry out temperature regulation to the device inside, carry out the control by temperature change according to the needs of DNA extraction centrifugation.

Further, the connecting seat and the electric telescopic rod are symmetrically provided with two groups respectively, and each group of the connecting seat and the electric telescopic rod are provided with two groups respectively.

By adopting the technical scheme, the equipment is conveniently opened or closed, and the operation and control are convenient.

In summary, the beneficial technical effects of the utility model are as follows:

1. the centrifugal centrifuge has the advantages that the first motor and the screw rod are adopted, lifting movement adjustment is realized through transmission between the first motor and the screw rod, and meanwhile, after centrifugation is completed, the centrifugal seat is lifted to the outer side of the base, so that a centrifuge tube is convenient to take, and the effect of convenience in use is achieved;

2. adopt condensation plate and hot plate, increase the function of heating and cooling in the inside of base, at any time as required carries out the control by temperature change to the device when centrifuging, convenient better carries out centrifugal operation, produces the effect of convenient work.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of a centrifugal base according to the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of a carrier plate according to the present utility model;

FIG. 4 is a schematic perspective view of a mounting base according to the present utility model;

FIG. 5 is a schematic view of the internal cross-sectional structure of the base of the present utility model.

In the figure, 1, a base; 2. a mounting base; 3. a first motor; 4. a groove; 5. a screw rod; 6. a movable block; 7. a carrier plate; 8. a second motor; 9. a circular slide rail; 10. a slide block; 11. a centrifugal seat; 12. a placement groove; 13. a heat conductive plate; 14. a heating plate; 15. a condensing plate; 16. a control panel; 17. a connecting seat; 18. an electric telescopic rod; 19. a top plate; 20. a temperature sensor.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to FIGS. 1-4, a centrifugal device for DNA extraction comprises a base 1, wherein an installation seat 2 is fixedly connected to the inside of the base 1, a first motor 3 is fixedly connected to the outside of the installation seat 2, a groove 4 is formed in the inside of the installation seat 2, a screw rod 5 is arranged in the groove 4, a movable block 6 is arranged on the outside of the screw rod 5, a carrier plate 7 is fixedly connected to the outside of the movable block 6, a second motor 8 is fixedly connected to one surface of the outside of the carrier plate 7, a circular slide rail 9 is fixedly connected to the other surface of the outside of the carrier plate 7, a slide block 10 is arranged on the outside of the circular slide rail 9, a centrifugal seat 11 is fixedly connected to the outside of the slide block 10, a placing groove 12 is formed in the inside of the centrifugal seat 11, the installation seat 2, the first motor 3, the groove 4, the screw rod 5 and the movable block 6 are symmetrically provided with two groups respectively, each group of installation seat 2, the first motor 3, the groove 4, the screw rod 5 and the movable block 6 are respectively provided with two groups, the driving end of the first motor 3 is in transmission connection with one end of the screw rod 5, the other end of the screw rod 5 is in rotation connection with the installation seat 2 through a bearing, the movable block 6 is in threaded connection with the screw rod 5, the round sliding rail 9 is in sliding connection with the sliding block 10, the driving end of the second motor 8 is in transmission connection with the centrifugal seat 11, the lower end of the centrifugal seat 11 is fixedly connected with the sliding block 10, and the control panel 16 is in electric connection with the first motor 3, the second motor 8, the heating plate 14, the condensing plate 15, the electric telescopic rod 18 and the temperature sensor 20.

As shown in fig. 2-5, the lower end of the base 1, which is located in the mounting seat 2, is fixedly connected with a heat conducting plate 13 and a temperature sensor 20, one side of the lower end of the heat conducting plate 13 is provided with a heating plate 14, the other side of the lower end of the heat conducting plate 13 is provided with a condensing plate 15, the front end of the base 1 is provided with a control panel 16, the outer side of the base 1 is fixedly connected with a connecting seat 17, the inner part of the connecting seat 17 is fixedly connected with an electric telescopic rod 18, the upper end of the electric telescopic rod 18 is fixedly connected with a top plate 19, the connecting seat 17 and the electric telescopic rod 18 are respectively symmetrically provided with two groups, and each group of connecting seat 17 and each electric telescopic rod 18 are respectively provided with two groups.

The implementation principle of the embodiment is as follows: when centrifugal operation is needed, the top plate 19 is firstly opened through the electric telescopic rod 18, the screw rod 5 is driven to rotate through the rotation of the first motor 3, the movable block 6 positioned on the outer side of the screw rod 5 moves, the carrier plate 7 and the centrifugal seat 11 at the upper end of the carrier plate 7 are lifted to the opening of the upper end of the base 1, the centrifugal tube is placed into the placing groove 12, then the first motor 3 is controlled again, the centrifugal seat 11 is lowered into the base 1, meanwhile, the temperature control adjustment is carried out on the device according to the centrifugal requirement, the heating plate 14 and the condensing plate 15 are used for heating or cooling the device, the second motor 8 is started to drive the centrifugal seat 11 to carry out centrifugal operation, after the centrifugal operation is completed, the operation is repeated, the centrifugal seat 11 is lifted to the upper end of the base 1, and the centrifugal tube inside the centrifugal seat 11 is taken out.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a centrifugal device for DNA extraction, includes base (1), its characterized in that: the novel electric motor is characterized in that the base (1) is fixedly connected with the mounting seat (2), the first motor (3) is fixedly connected to the outer side of the mounting seat (2), the groove (4) is formed in the mounting seat (2), the screw rod (5) is arranged in the groove (4), and the movable block (6) is arranged on the outer side of the screw rod (5).

2. The centrifugal device for DNA extraction according to claim 1, wherein: the novel screw mounting device is characterized in that two groups of mounting seats (2), first motors (3), grooves (4), screw rods (5) and movable blocks (6) are symmetrically arranged respectively, each group of mounting seats (2), first motors (3), grooves (4), screw rods (5) and movable blocks (6) are arranged respectively, the transmission end of each first motor (3) is connected with one end of each screw rod (5) in a transmission mode, the other end of each screw rod (5) is connected with the corresponding mounting seat (2) in a rotating mode through a bearing, and the movable blocks (6) are connected with the screw rods (5) in a threaded mode.

3. The centrifugal device for DNA extraction according to claim 1, wherein: the utility model discloses a centrifugal support structure for a motor vehicle, including movable block (6), support plate (7), standing groove (12) are offered to the outside fixedly connected with support plate (7), one side fixedly connected with support plate (7) in the outside of movable block (6), one side fixedly connected with second motor (8) in the outside of support plate (7), another side fixedly connected with circular slide rail (9) in the outside of support plate (7), the outside of circular slide rail (9) is provided with slider (10), the outside fixedly connected with centrifugation seat (11) of slider (10), standing groove (12) have been offered to the inside of centrifugation seat (11).

4. The centrifugal device for DNA extraction according to claim 3, wherein: the circular sliding rail (9) is in sliding connection with the sliding block (10), the transmission end of the second motor (8) is in transmission connection with the centrifugal seat (11), and the lower end of the centrifugal seat (11) is fixedly connected with the sliding block (10).

5. The centrifugal device for DNA extraction according to claim 1, wherein: the inside of base (1) is located lower extreme fixedly connected with heat conduction board (13) and temperature sensor (20) of mount pad (2), one side of heat conduction board (13) lower extreme is provided with hot plate (14), the opposite side of heat conduction board (13) lower extreme is provided with condensation plate (15), the front end of base (1) is provided with control panel (16), the outside fixedly connected with connecting seat (17) of base (1), the inside fixedly connected with electric telescopic handle (18) of connecting seat (17), the upper end fixedly connected with roof (19) of electric telescopic handle (18).

6. The centrifugal device for DNA extraction according to claim 5, wherein: the connecting seat (17) and the electric telescopic rod (18) are respectively symmetrically provided with two groups, and each group of the connecting seat (17) and the electric telescopic rod (18) are respectively provided with two groups.