CN211914092U - Sample grinding device for DNA extraction - Google Patents
Sample grinding device for DNA extraction Download PDFInfo
- Publication number
- CN211914092U CN211914092U CN202020345915.7U CN202020345915U CN211914092U CN 211914092 U CN211914092 U CN 211914092U CN 202020345915 U CN202020345915 U CN 202020345915U CN 211914092 U CN211914092 U CN 211914092U
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- China
- Prior art keywords
- fixedly connected
- block
- conical
- hole
- dna extraction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007400 DNA extraction Methods 0.000 title claims abstract description 16
- 206010006514 bruxism Diseases 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 8
- 238000005498 polishing Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 abstract description 20
- 239000000843 powder Substances 0.000 description 11
- 239000004744 fabric Substances 0.000 description 10
- 108020004414 DNA Proteins 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 102000053602 DNA Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002773 nucleotide Substances 0.000 description 1
- 125000003729 nucleotide group Chemical group 0.000 description 1
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Abstract
The utility model discloses a sample grinder that DNA extraction was used, including the supporting shoe, the lower extreme fixedly connected with supporting leg of supporting shoe, the upper end of supporting shoe is equipped with the bell mouth, be equipped with in the bell mouth rather than complex toper cylinder piece, the diameter of the little and upper end of lower extreme diameter of bell mouth, there is the clearance of grinding and the clearance of upper end is greater than the clearance of lower extreme between toper cylinder piece and the bell mouth, the outer wall of toper cylinder piece all is equipped with the grinding tooth with the inside of bell mouth, the upper end of supporting shoe is equipped with the actuating mechanism who is connected with toper cylinder piece, the lower extreme fixedly connected with of supporting shoe and the play feed cylinder of bell mouth intercommunication, be equipped with screening mechanism in the play feed cylinder. The utility model discloses, its less size is more fit for the solid matter grinding of minimums volume, uses more energy-concerving and environment-protective to it is higher to compare artifical grinding efficiency.
Description
Technical Field
The utility model relates to a grinder technical field especially relates to sample grinder that DNA extracted and used.
Background
Deoxyribonucleic acid is DNA, which is one of four kinds of biological macromolecules contained in biological cells. The sequence of bases in nucleotides in DNA constitutes genetic information
When the solid substance needs to be ground into powder when the DNA is detected, the conventional grinding device is mostly large in size and is not suitable for grinding for detection, so that the manual grinding is frequently carried out when the solid substance is ground and sampled, the manual grinding effect is poor, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the sample grinder that the DNA extraction that proposes was used, its less size is more fit for the solid matter grinding of small output, uses more energy-concerving and environment-protective to it is higher to compare artifical grinding efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the sample grinding device for DNA extraction comprises a supporting block, wherein the lower end of the supporting block is fixedly connected with a supporting leg, a conical hole is formed in the upper end of the supporting block, a conical cylindrical block matched with the conical hole is arranged in the conical hole, the diameter of the lower end of the conical hole is small, the diameter of the upper end of the conical hole is small, a grinding gap exists between the conical cylindrical block and the conical hole, the gap of the upper end of the conical cylindrical block is larger than that of the lower end of the conical cylindrical block, grinding teeth are arranged on the outer wall of the conical cylindrical block and inside the conical hole, a driving mechanism connected with the conical cylindrical block is arranged at the upper end of the supporting block, a discharge barrel communicated with the conical hole.
Preferably, the driving mechanism comprises a supporting frame fixedly connected to the upper end of the supporting block, a driving motor is fixedly mounted at the upper end of the supporting frame, a driving gear is fixedly connected to the output end of the driving motor, the middle of the upper end of the conical cylindrical block is fixedly connected to the rotating shaft, the upper end of the rotating shaft is fixedly connected to the lower end of the supporting frame, and a driven gear meshed with the driving gear is fixedly connected to the outer wall of the rotating shaft.
Preferably, screening mechanism is including setting up the slide at play feed cylinder inner wall, sliding connection has the frame in the slide, the lower extreme fixedly connected with screen cloth of frame, the screen cloth middle part is equipped with the through-hole that is greater than the pivot diameter, the lower extreme of pivot runs through the through-hole and extends to the square piece of lower extreme fixedly connected with of screen cloth, the outer wall slip cover of square piece is equipped with the bottom, the lower fan-shaped lug of a plurality of circumference distributions of upper end fixedly connected with of bottom, a plurality of last fan-shaped lugs that correspond with fan-shaped lug down of lower extreme fixedly connected with of screen cloth, the lower extreme of bottom is equipped with locking mechanism.
Preferably, the locking mechanism comprises a threaded hole arranged on the side wall of the square block, and a threaded rod is connected with the threaded hole in a threaded manner.
Preferably, the upper end of the rotating shaft is fixedly connected with a handle.
Preferably, the upper end of the conical cylindrical block is arched upwards.
The utility model discloses in, its beneficial effect does:
1. the driving mechanism who sets up, driving motor drive driving gear rotate, and the driving gear drives driven gear and rotates, and driven gear drives the pivot and rotates, and the pivot drives toper cylinder piece at the bell mouth internal rotation to grind the solid matter in the clearance under the effect of grinding tooth and smash.
2. The screening mechanism that sets up, the pivot drives the bottom through square piece and rotates, and fan-shaped lug rotates under the bottom drives, and the screen cloth is reciprocal under the effect of fan-shaped lug under last fan-shaped lug and is shaken from top to bottom to the solid matter powder to on the screen cloth shakes the screening, thereby is that the solid matter powder quality that obtains is better.
3. The locking mechanism who sets up when accomplishing the grinding, screws out the threaded rod from the screwed hole, then can take out screen cloth and bottom slip downwards, can take out the great solid matter powder of screen cloth upper end at this moment, and the clearance is more convenient.
Drawings
FIG. 1 is a schematic structural view of a sample grinding apparatus for DNA extraction according to the present invention;
FIG. 2 is a schematic bottom view of a frame of a sample polishing apparatus for DNA extraction according to the present invention;
FIG. 3 is an enlarged schematic view of the sample polishing apparatus for DNA extraction at A point;
FIG. 4 is a schematic cross-sectional view of the upper fan-shaped bump of the sample polishing apparatus for DNA extraction according to the present invention.
In the figure: the device comprises a supporting block 1, supporting legs 2, a conical hole 3, a conical cylindrical block 4, grinding teeth 5, a supporting frame 6, a discharging barrel 7, a slideway 8, a frame 9, a screen 10, a driving motor 11, a driving gear 12, a rotating shaft 13, a driven gear 14, a through hole 15, a square block 16, a bottom cover 17, a handle 18, a fan-shaped convex block 19, a fan-shaped convex block 20, a threaded hole 21 and a threaded rod 22.
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. 1-4, a sample grinding device for DNA extraction includes a support block 1, a support leg 2 fixedly connected to a lower end of the support block 1, a tapered hole 3 provided at an upper end of the support block 1, a tapered cylindrical block 4 fitted in the tapered hole 3, an upper end of the tapered cylindrical block 4 upwardly arched, a diameter of a lower end of the tapered hole 3 smaller than that of an upper end, a grinding gap provided between the tapered cylindrical block 4 and the tapered hole 3 and a gap of the upper end larger than that of the lower end, grinding teeth 5 provided on an outer wall of the tapered cylindrical block 4 and inside the tapered hole 3, a driving mechanism connected to the tapered cylindrical block 4 provided at an upper end of the support block 1, the driving mechanism including a support frame 6 fixedly connected to the upper end of the support block 1, a driving motor 11 fixedly installed at an upper end of the support frame 6, a driving gear 12 fixedly connected to an output end of the driving, the upper end fixedly connected with handle 18 of pivot 13, also can wave handle 18 and drive pivot 13, it is more environmental protection, pivot 13 upper end fixed connection is at the lower extreme of support frame 6, the outer wall fixedly connected with of pivot 13 and the driven gear 14 of driving gear 12 meshing, driving motor 11 drives driving gear 12 and rotates, driving gear 12 drives driven gear 14 and rotates, driven gear 14 drives pivot 13 and rotates, pivot 13 drives toper cylinder piece 4 and rotates in bell mouth 3, and grind the solid matter in the clearance under the effect of grinding tooth 5 and smash.
The lower end of the supporting block 1 is fixedly connected with a discharging barrel 7 communicated with the conical hole 3, a screening mechanism is arranged in the discharging barrel 7 and comprises a slide way 8 arranged on the inner wall of the discharging barrel 7, a frame 9 is connected in the slide way 8 in a sliding way, the lower end of the frame 9 is fixedly connected with a screen 10, the middle part of the screen 10 is provided with a through hole 15 with a diameter larger than that of a rotating shaft 13, the lower end of the rotating shaft 13 penetrates through the through hole 15 and extends to the lower end of the screen 10 to be fixedly connected with a square block 16, the outer wall of the square block 16 is sleeved with a bottom cover 17 in a sliding way, the upper end of the bottom cover 17 is fixedly connected with a plurality of lower fan-shaped convex blocks 19 distributed circumferentially, the lower end of the screen 10 is fixedly connected with a plurality of upper fan-shaped convex blocks 20 corresponding to the lower fan-shaped convex blocks 19, the rotating shaft, thereby, the solid matter powder on the screen mesh 10 is subjected to shaking screening, and the quality of the obtained solid matter powder is better.
The lower extreme of bottom 17 is equipped with locking mechanism, and locking mechanism is including setting up the screw hole 21 at square piece 16 lateral wall, and screw hole 21 female connection has threaded rod 22, when accomplishing to grind, twists out threaded rod 22 from screw hole 21, then can slide down screen cloth 10 and its bottom 17 and take out, can take out the great solid matter powder of screen cloth 10 upper end at this moment, and the clearance is more convenient.
In the utility model, when the solid matter is needed to be ground, the solid matter is poured into the upper end of the conical cylindrical block 4 from the upper end of the conical hole 3, because the middle part of the upper end of the conical cylindrical block 4 is arched upwards, the solid matter can slide to the periphery of the conical cylindrical block 4 and is clamped into the gap between the conical cylindrical block 4 and the conical hole 3, then the driving motor 11 is started, the driving motor 11 drives the driving gear 12 to rotate, the driving gear 12 drives the driven gear 14 to rotate, the driven gear 14 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the conical cylindrical block 4 to rotate in the conical hole 3, and the solid matter in the gap is ground and crushed under the action of the grinding teeth 5, because the large end and the small end of the gap between the conical cylindrical block 4 and the conical hole 3, the solid matter ground into powder can fall into the discharge barrel 7 below under the action of gravity, and falls on the upper end of the screen mesh 10, at the same time, the rotating shaft 13 drives the bottom cover 17 to rotate through the square block 16, the bottom cover 17 drives the lower fan-shaped lug 19 to rotate, because the frame 9 is positioned in the slideway 8, the screen mesh 10 can only slide up and down in the slideway 8, under the rotation action of the lower fan-shaped lug 19, when the upper fan-shaped lug 20 is contacted with the lower fan-shaped lug 19, the screen mesh 10 can be jacked up, when the lower fan-shaped lug 19 rotates to separate the upper fan-shaped lug 20, the screen mesh 10 can slide down and reset, and reciprocates with the reciprocating, the screen mesh 10 can shake up and down under the action of the upper fan-shaped lug 20 and the lower fan-shaped lug 19, thereby the solid substance powder on the screen mesh 10 can be shaken and screened, the quality of the obtained solid substance powder is better, when the grinding is finished, the threaded rod 22 is screwed out from the threaded, at this time, the powder of the larger solid matters at the upper end of the screen 10 can be taken out, and the cleaning is more convenient.
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 (6)
- A sample grinding apparatus for DNA extraction comprising a support block (1) characterized in that, the lower end of the supporting block (1) is fixedly connected with a supporting leg (2), the upper end of the supporting block (1) is provided with a conical hole (3), a conical cylindrical block (4) matched with the conical hole (3) is arranged in the conical hole (3), the diameter of the lower end of the conical hole (3) is smaller than that of the upper end, a grinding gap exists between the conical cylindrical block (4) and the conical hole (3), the gap at the upper end is larger than the gap at the lower end, the outer wall of the conical cylindrical block (4) and the inner part of the conical hole (3) are both provided with grinding teeth (5), the upper end of the supporting block (1) is provided with a driving mechanism connected with the conical cylindrical block (4), the lower end of the supporting block (1) is fixedly connected with a discharge barrel (7) communicated with the conical hole (3), and a screening mechanism is arranged in the discharge barrel (7).
- 2. The sample grinding device for DNA extraction according to claim 1, wherein the driving mechanism comprises a support frame (6) fixedly connected to the upper end of the support block (1), a driving motor (11) is fixedly mounted on the upper end of the support frame (6), a driving gear (12) is fixedly connected to the output end of the driving motor (11), the middle part of the upper end of the conical cylindrical block (4) is fixedly connected to a rotating shaft (13), the upper end of the rotating shaft (13) is fixedly connected to the lower end of the support frame (6), and a driven gear (14) meshed with the driving gear (12) is fixedly connected to the outer wall of the rotating shaft (13).
- 3. The DNA extraction sample grinding apparatus according to claim 1, the screening mechanism comprises a slide way (8) arranged on the inner wall of the discharge barrel (7), a frame (9) is connected in the slide way (8) in a sliding way, the lower end of the frame (9) is fixedly connected with a screen (10), the middle part of the screen (10) is provided with a through hole (15) with the diameter larger than that of the rotating shaft (13), the lower end of the rotating shaft (13) penetrates through the through hole (15) and extends to the lower end of the screen (10) to be fixedly connected with a square block (16), the outer wall of the square block (16) is sleeved with a bottom cover (17) in a sliding way, the upper end of the bottom cover (17) is fixedly connected with a plurality of lower fan-shaped convex blocks (19) distributed circumferentially, the lower end of the screen (10) is fixedly connected with a plurality of upper fan-shaped convex blocks (20) corresponding to the lower fan-shaped convex blocks (19), and the lower end of the bottom cover (17) is provided with a locking mechanism.
- 4. The sample grinding device for DNA extraction according to claim 3, wherein the locking mechanism comprises a screw hole (21) provided in a side wall of the square block (16), and a threaded rod (22) is screwed into the screw hole (21).
- 5. The sample polishing apparatus for DNA extraction according to claim 2, wherein a handle (18) is fixedly attached to an upper end of the rotary shaft (13).
- 6. The sample polishing device for DNA extraction according to claim 1, wherein the upper end of the tapered cylindrical block (4) is upwardly arched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020345915.7U CN211914092U (en) | 2020-03-18 | 2020-03-18 | Sample grinding device for DNA extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020345915.7U CN211914092U (en) | 2020-03-18 | 2020-03-18 | Sample grinding device for DNA extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211914092U true CN211914092U (en) | 2020-11-13 |
Family
ID=73355926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020345915.7U Expired - Fee Related CN211914092U (en) | 2020-03-18 | 2020-03-18 | Sample grinding device for DNA extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211914092U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553045A (en) * | 2020-12-16 | 2021-03-26 | 延安大学 | Novel cotton genome DNA extraction device |
| CN112871349A (en) * | 2021-01-08 | 2021-06-01 | 郑州铁路职业技术学院 | Environment-friendly kitchen garbage disposer and vibrating device with self-cleaning ability |
| CN113058681A (en) * | 2021-04-16 | 2021-07-02 | 哈尔滨工程北米科技有限公司 | Germ-remaining rice processing method |
| CN113211640A (en) * | 2021-05-14 | 2021-08-06 | 云南木利锑业有限公司 | Lime slurry pool |
-
2020
- 2020-03-18 CN CN202020345915.7U patent/CN211914092U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553045A (en) * | 2020-12-16 | 2021-03-26 | 延安大学 | Novel cotton genome DNA extraction device |
| CN112553045B (en) * | 2020-12-16 | 2023-08-15 | 延安大学 | Cotton genome DNA extraction element |
| CN112871349A (en) * | 2021-01-08 | 2021-06-01 | 郑州铁路职业技术学院 | Environment-friendly kitchen garbage disposer and vibrating device with self-cleaning ability |
| CN112871349B (en) * | 2021-01-08 | 2022-08-26 | 郑州铁路职业技术学院 | Environment-friendly kitchen garbage disposer and vibrating device with self-cleaning ability |
| CN113058681A (en) * | 2021-04-16 | 2021-07-02 | 哈尔滨工程北米科技有限公司 | Germ-remaining rice processing method |
| CN113211640A (en) * | 2021-05-14 | 2021-08-06 | 云南木利锑业有限公司 | Lime slurry pool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |