CN211394434U - Nucleic acid extraction and purification instrument - Google Patents
Nucleic acid extraction and purification instrument Download PDFInfo
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- CN211394434U CN211394434U CN201921840141.9U CN201921840141U CN211394434U CN 211394434 U CN211394434 U CN 211394434U CN 201921840141 U CN201921840141 U CN 201921840141U CN 211394434 U CN211394434 U CN 211394434U
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- nucleic acid
- screw rod
- purification
- acid extraction
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Abstract
The utility model relates to a nucleic acid extraction and purification instrument, which comprises a base, wherein a purification device is fixedly arranged at the top end of the base, a plurality of beaker grooves are arranged at the top end of the base, the beaker grooves are positioned at one side of the purification device, a stepping motor is fixedly arranged at the middle position of the top end of the purification device, the output end of the stepping motor is fixedly provided with a rotating shaft, the other end of the rotating shaft is rotatably connected with the bottom end of the purification device, a rotating disc is fixedly connected with the bottom end of the rotating shaft, a plurality of cup seats are symmetrically and fixedly arranged on the rotating disc, limiting grooves are respectively arranged at the top ends of the cup seats, accommodating cavities are respectively arranged in the cup seats, limiting rods are respectively and fixedly arranged at the rear sides of the accommodating cavities, sliders are respectively and symmetrically arranged on the limiting rods, the utility model has simple structure and convenient use, can effectively clamp and fix beakers, and simultaneously can simultaneously extract raw, the extraction efficiency is effectively improved.
Description
Technical Field
The utility model relates to a nucleic acid extraction and purification instrument belongs to nucleic acid extraction instrument equipment technical field.
Background
The nucleic acid extractor is an instrument which automatically finishes the extraction work of sample nucleic acid by using matched nucleic acid extraction reagents, the nucleic acid extractor is divided into two types, one type is large-scale automatic and is generally called as an automatic liquid workstation, the other type is a small-sized automatic nucleic acid extractor, the extraction and purification process is automatically finished by using the packaged matched reagents, the large-sized automatic liquid workstation is high in equipment cost and operation cost, and is suitable for extracting thousands of same types of samples at one time, so that fewer applications are really obtained, and the small-sized automatic instrument is convenient to operate and obtains more and more applications because the instrument equipment and the operation cost are low.
Most of the existing nucleic acid extraction instruments can only extract a single beaker, and the conveying of the beaker cannot realize the effect of automatic conveying, so that the efficiency of nucleic acid extraction cannot be improved, and the manual operation is troublesome in the process of conveying the beaker; most of the existing nucleic acid extraction instruments are not easy to keep stable in the conveying process after placing a beaker, so that liquid in the beaker is spilled to cause the pollution of the instrument. Therefore, a nucleic acid extractor has been proposed to address the above problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model overcomes current defect, provides a nucleic acid extraction and purification appearance, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
a nucleic acid extraction and purification instrument comprises a base, wherein a purification device is fixedly arranged at the top end of the base, a plurality of beaker grooves are formed in the top end of the base, the beaker grooves are positioned on one side of the purification device, a stepping motor is fixedly arranged at the middle position of the top end of the purification device, the output end of the stepping motor is fixedly provided with a rotating shaft, the other end of the rotating shaft is rotatably connected with the bottom end of the purification device, the bottom end of the rotating shaft is fixedly connected with a rotating disc, a plurality of cup seats are symmetrically and fixedly arranged on the rotating disc, limiting grooves are formed in the top ends of the cup seats, accommodating cavities are formed in the cup seats, limiting rods are fixedly arranged on the rear sides of the accommodating cavities, sliding blocks are symmetrically arranged on the limiting rods, a plurality of limiting plates are symmetrically arranged on the front sides of the accommodating cavities, first screw rods are arranged on the limiting plates in a penetrating manner, one end of each screw rod penetrates through the adjacent sliding block, the other end of the first screw rod is located between the limiting plates and is fixedly connected with a first bevel gear, a second screw rod is arranged between the limiting plates, a second bevel gear is fixedly arranged at one end of the second screw rod, and the other end of the second screw rod penetrates through the front side of the cup seat and extends to the front side of the cup seat and is fixedly connected with a knob.
Further, the number of the cup holders is four.
Furthermore, the sliding block is provided with a through hole and a screw hole which are respectively matched with the limiting rod and the first screw rod, and the sliding block is connected with the accommodating cavity in a sliding mode.
Further, the outer wall of the rotating disc abuts against the inner wall of the purification apparatus.
Further, the first bevel gear is meshed with the bevel gear.
Further, the slider is close to the equal fixed connecting rod that is equipped with of one end in spacing groove, the other end of connecting rod all runs through the spacing groove extends to spacing inslot and fixedly connected with splint.
The utility model discloses a technological effect and advantage:
1. the utility model has the advantages that the rotary table and the cup seats are arranged, when in use, a plurality of beakers can be placed on different cup seats, the rotating shaft is driven to rotate through the operation of the stepping motor, so that the rotary table is driven to rotate, the raw materials in the beakers can be extracted at the same time, and the extraction efficiency is improved;
2. the utility model has the advantages that the clamping plate is arranged, when the beaker is placed on the cup seat, the second screw rod is driven to rotate by rotating the knob, so that the second bevel gear is driven to rotate, the second bevel gear drives the first bevel gear to rotate, so that the first screw rod is driven to rotate, and the sliding blocks move in opposite directions or move in a back direction, so that the clamping plate moves in opposite directions or moves in a back direction, and the beaker is clamped and fixed;
3. the utility model discloses simple structure, convenient to use can effectually carry out the centre gripping to the beaker and fix, can draw the efficiency that effectual improvement was drawed simultaneously to the raw materials in a plurality of beakers.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a plan view of the present invention.
Fig. 4 is a schematic structural view of the cup holder of the present invention.
Reference numbers in the figures: 1. a base; 2. a purification device; 3. a beaker groove; 4. a stepping motor; 5. a rotating shaft; 6. a turntable; 7. a cup holder; 8. a limiting groove; 9. an accommodating chamber; 10. a limiting rod; 11. a slider; 12. a limiting plate; 13. a first screw rod; 14. a first bevel gear; 15. a second screw; 16. a second bevel gear; 17. a knob; 18. a connecting rod; 19. and (4) clamping the plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in FIGS. 1-4, a nucleic acid extraction and purification instrument comprises a base 1, a purification device 2 is fixedly arranged at the top end of the base 1, a plurality of beaker grooves 3 are formed at the top end of the base 1, the beaker grooves 3 are positioned at one side of the purification device 2, a stepping motor 4 is fixedly arranged at the middle position of the top end of the purification device 2, a rotating shaft 5 is fixedly arranged at the output end of the stepping motor 4, the other end of the rotating shaft 5 is rotatably connected with the bottom end of the purification device 2, a rotating disc 6 is fixedly connected with the bottom end of the rotating shaft 5, a plurality of cup bases 7 are symmetrically and fixedly arranged on the rotating disc 6, limiting grooves 8 are respectively arranged at the top ends of the cup bases 7, accommodating cavities 9 are respectively arranged in the cup bases 7, limiting rods 10 are respectively and fixedly arranged at the rear sides of the accommodating cavities 9, sliding blocks 11 are respectively and symmetrically arranged on the limiting rods 10, a plurality of limiting plates 12 are respectively and symmetrically arranged at the front sides of the accommodating cavities 9, screw rods 13, the other end of the first screw rod 13 is located between the limiting plates 12 and is fixedly connected with a first bevel gear 14, a second screw rod 15 is arranged between the limiting plates 12, a second bevel gear 16 is fixedly arranged at one end of the second screw rod 15, and the other end of the second screw rod 15 extends to the front side of the cup base 7 through the front side of the cup base 7 and is fixedly connected with a knob 17.
As shown in fig. 2 to 4, the number of the cup holder 7 of the present embodiment is four, the sliding block 11 is provided with a through hole and a screw hole respectively matched with the limiting rod 10 and the first screw rod 13, the sliding block 11 is slidably connected with the accommodating cavity 9, the first screw rod 13 in the same cup holder 7 is provided with threads in opposite directions, and the sliding block 11 moves in the same direction or moves away from the opposite direction under the action of the limiting rod 10 by the rotation of the first screw rod 13 on the sliding block 11.
As shown in fig. 1 and 2, the outer wall of the rotating disk 6 of the present embodiment is abutted against the inner wall of the purifying device 2.
As shown in fig. 4, the first bevel gear 14 and the second bevel gear 16 of this embodiment are in gear engagement, one end of the slider 11 close to the limiting groove 8 is fixedly provided with a connecting rod 18, the other end of the connecting rod 18 penetrates through the limiting groove 8 and extends into the limiting groove 8, and is fixedly connected with a clamp plate 19, the second screw 15 is driven to rotate by rotating the knob 17, so as to drive the second bevel gear 16 to rotate, the second bevel gear 16 drives the first bevel gear 14 to rotate, so as to drive the first screw 13 to rotate, so as to enable the slider 11 to move in opposite directions or move back to back, so as to enable the clamp plate 19 to move in opposite directions or.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
The utility model discloses the theory of operation: when using, when the beaker is placed on cup stand 7, through rotating knob 17, drive two 15 rotations of screw rod, thereby drive two 16 rotations of bevel gear, two 16 rotations of bevel gear drive one 14 rotations, thereby drive one 13 rotations of screw rod, thereby make slider 11 carry out the phase shift or remove dorsad, thereby make splint 19 carry out the phase shift or remove dorsad, thereby press from both sides the beaker and tightly fix, step motor 4 work this moment, drive pivot 5 and rotate, thereby drive carousel 6 and rotate, can draw the raw materials in a plurality of beakers simultaneously, after drawing the completion, take off the beaker and place in beaker groove 3, the utility model discloses simple structure, convenient to use can effectually carry out the centre gripping to the beaker fixed, can draw the raw materials in a plurality of beakers simultaneously, the efficiency of effectual improvement extraction.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a nucleic acid extraction and purification appearance, includes base (1), its characterized in that: the purification device is characterized in that a purification device (2) is fixedly arranged at the top end of the base (1), a plurality of beaker grooves (3) are formed in the top end of the base (1), the beaker grooves (3) are positioned on one side of the purification device (2), a stepping motor (4) is fixedly arranged at the middle position of the top end of the purification device (2), a rotating shaft (5) is fixedly arranged at the output end of the stepping motor (4), the other end of the rotating shaft (5) is rotatably connected with the bottom end of the purification device (2), a rotating disc (6) is fixedly connected with the bottom end of the rotating shaft (5), a plurality of cup seats (7) are symmetrically and fixedly arranged on the rotating disc (6), limiting grooves (8) are formed in the top ends of the cup seats (7), accommodating cavities (9) are formed in the cup seats (7), limiting rods (10) are fixedly arranged on the rear sides of the accommodating cavities (9), and sliding blocks (11) are symmetrically arranged on the, the equal symmetry of the front side that holds chamber (9) is equipped with a plurality of limiting plates (12), it is equipped with screw rod (13) all to run through on limiting plate (12), the one end of screw rod (13) all runs through adjacently slider (11) and with adjacent hold chamber (9) inner wall and rotate the connection, the other end of screw rod (13) all is located between limiting plate (12) and fixedly connected with bevel gear (14), be equipped with screw rod two (15) between limiting plate (12), the one end of screw rod two (15) is fixed and is equipped with bevel gear two (16), the other end of screw rod two (15) all runs through the front side of cup (7) extends to the front side and the fixedly connected with knob (17) of cup (7).
2. The nucleic acid extraction and purification instrument according to claim 1, wherein: the number of the cup seats (7) is four.
3. The nucleic acid extraction and purification instrument according to claim 1, wherein: the slider (11) is provided with a through hole and a screw hole which are respectively matched with the limiting rod (10) and the first screw rod (13), and the slider (11) is connected with the accommodating cavity (9) in a sliding mode.
4. The nucleic acid extraction and purification instrument according to claim 1, wherein: the outer wall of the rotating disc (6) is abutted against the inner wall of the purifying device (2).
5. The nucleic acid extraction and purification instrument according to claim 1, wherein: the first bevel gear (14) is in gear engagement with the second bevel gear (16).
6. The nucleic acid extraction and purification instrument according to claim 1, wherein: the slider (11) are close to the one end of spacing groove (8) is all fixed and is equipped with connecting rod (18), the other end of connecting rod (18) all runs through spacing groove (8) extend to in spacing groove (8) and fixedly connected with splint (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840141.9U CN211394434U (en) | 2019-10-30 | 2019-10-30 | Nucleic acid extraction and purification instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840141.9U CN211394434U (en) | 2019-10-30 | 2019-10-30 | Nucleic acid extraction and purification instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211394434U true CN211394434U (en) | 2020-09-01 |
Family
ID=72225159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921840141.9U Active CN211394434U (en) | 2019-10-30 | 2019-10-30 | Nucleic acid extraction and purification instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211394434U (en) |
-
2019
- 2019-10-30 CN CN201921840141.9U patent/CN211394434U/en active Active
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