CN211587093U - Rotor of table centrifuge - Google Patents
Rotor of table centrifuge Download PDFInfo
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- CN211587093U CN211587093U CN202020134171.4U CN202020134171U CN211587093U CN 211587093 U CN211587093 U CN 211587093U CN 202020134171 U CN202020134171 U CN 202020134171U CN 211587093 U CN211587093 U CN 211587093U
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- rotor
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- rotor body
- test tube
- connecting seat
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Abstract
The utility model relates to a desk-top centrifuge's rotor, it includes rotor body and clamping device, clamping device rotates to be connected on rotor body, and rotor body up end has seted up a plurality of test tubes along circumference and has placed the hole, clamping device is including setting up the pivot on rotor body, sliding connection has the connecting seat in the pivot, be provided with a plurality of connecting rods on the connecting seat, the one end that the connecting seat was kept away from to the connecting rod is provided with and presss from both sides tight piece, the hole one-to-one is placed to connecting rod, pressing from both sides tight piece and test tube, press from both sides tight piece and place one side in hole and set up conical chucking hole. The utility model discloses the utensil can install the advantage of the test tube of different diameters.
Description
Technical Field
The utility model belongs to the technical field of centrifugal separation's technique and specifically relates to a rotor of desk-top centrifuge is related to.
Background
The centrifugal machine is a machine which utilizes centrifugal force to accelerate the separation of different materials to be separated. The containers loaded with the sample are placed on the rotor of the centrifuge, which, at high speed of the centrifuge, exerts a large centrifugal force on the sample, thereby achieving the effect of separating the sample into different fractions.
Chinese patent with grant publication number CN208244969U discloses a rotor of a centrifuge, a novel desk centrifuge, which comprises a centrifuge main body and a cover, wherein a centrifuge tube is arranged inside the centrifuge main body, a rotor is arranged inside the centrifuge tube, a plurality of test tubes are arranged on the rotor to place holes, and a center positioning rod and a motor are arranged right below the centrifuge tube with an installation shaft slot are arranged at the center of the rotor.
The above prior art solutions have the following drawbacks: during the use, will be equipped with the test tube that needs the separator material earlier and place the hole in putting into the test tube in the rotor, then install the rotor on the installation axle, because the test tube is placed the hole diameter and is fixed on the rotor, need pull down the rotor from centrifuge when the diameter of test tube and test tube are placed the hole diameter nonconformity, change the rotor of different specifications, be not convenient for use.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a desk-top centrifuge's rotor has the advantage that can install the test tube of different diameters.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a rotor of desk-top centrifuge, includes rotor body and clamping device, clamping device rotates to be connected on rotor body, and rotor body up end has seted up a plurality of test tubes along circumference and has placed the hole, clamping device is including setting up the pivot on rotor body, sliding connection has the connecting seat in the pivot, be provided with a plurality of connecting rods on the connecting seat, the one end that the connecting seat was kept away from to the connecting rod is provided with and presss from both sides tight piece, hole one-to-one is placed to connecting rod, clamp piece and test tube, press from both sides tight piece and place one side in hole and set up conical chucking hole towards the test.
Through adopting above-mentioned technical scheme, when using, at first revolute the rotation of axes connecting seat, make chucking piece and test tube place the hole and stagger, then insert the test tube and place downtheholely, upwards mention the connecting seat along the pivot after that, rotation of axes connecting seat once more makes and presss from both sides tight piece and is located the test tube and places the hole top, and the last pivot downwardly movement connecting seat of following makes and presss from both sides tight piece and peg graft the test tube and place downthehole, and the test tube tip joint that the test tube placed downthehole is downthehole to the chucking because the chucking hole is the toper, can both fix the test tube of diameter difference, application.
The utility model discloses further set up to: the top end of the test tube placing hole inclines towards the axis of the rotor body.
Through adopting above-mentioned technical scheme, because during the rotor is rotatory, centrifugal force orders about the liquid in the test tube and removes to keeping away from rotor body axis direction, and the one end downward sloping of rotor body axis is kept away from to the test tube, can avoid the material in the test tube to spill from the test tube opening.
The utility model discloses further set up to: the connecting rod includes the dead lever of being connected with the connecting seat, the dead lever is kept away from the one end of connecting seat and is articulated to have the dwang, press from both sides tight piece and connect the one end of keeping away from the dead lever at the dwang.
Through adopting above-mentioned technical scheme, when will press from both sides tight piece and insert and extract the test tube and place the hole, because the test tube is placed the hole and is set up for the slope, and the connecting seat is along the vertical removal of pivot, causes the card to die easily, and when the rotation of dead lever and dwang is connected and is made vertical removal connecting seat, it is downthehole that the difficult card of tight piece of clamp is placed at the test tube, the loading and unloading test tube of being convenient for.
The utility model discloses further set up to: the bottom of the test tube placing hole is provided with a positioning block, a positioning groove is formed in the positioning block, and the positioning groove is arranged in a cambered surface mode.
Through adopting above-mentioned technical scheme, insert the test tube and place downthehole time, the locating piece can fix a position the test tube bottom, further promotes the stability of test tube.
The utility model discloses further set up to: the rotating shaft is in threaded connection with the rotor body, and a rotating handle is arranged at one end, far away from the rotor body, of the rotating shaft.
Through adopting above-mentioned technical scheme, when pressing from both sides tight piece grafting in the test tube mounting hole and pressing from both sides the test tube tight, through rotating the pivot of screwing of twist grip, twist grip and connecting seat butt make press from both sides tight piece and support tightly at the test tube terminal surface, make the rotor at high-speed rotatory in-process, clamping device can remain stable.
The utility model discloses further set up to: the upper end face of the rotor body is provided with a liquid accumulation groove.
Through adopting above-mentioned technical scheme, inserting the test tube slope and placing the in-process in hole, if the liquid in the test tube spills carelessly, the hydrops groove can be collected the liquid that spills, avoids liquid to flow into centrifuge originally internally, leads to centrifuge circuit short circuit, can reduce pollution range simultaneously.
The utility model discloses further set up to: the cross section of the liquid collecting groove is trapezoidal.
By adopting the technical scheme, in the rotating process of the rotor, the liquid in the liquid accumulation tank is not easy to throw out.
The utility model discloses further set up to: the rotor comprises a rotor body and is characterized in that a connecting hole is formed in the lower end face of the rotor body along the axis, a key groove is formed in the inner wall of the connecting hole, a mounting hole is formed in the upper end face of the rotor body along the axis, and a mounting bolt penetrates through the mounting hole.
Through adopting above-mentioned technical scheme, the rotor cup joints in the pivot of centrifuge motor through connecting hole and keyway to through installation bolt locking fixation, when centrifuge does not use for a long time, be convenient for pull down the rotor from the centrifuge and preserve.
To sum up, the utility model discloses a beneficial technological effect does:
1. the end part of the test tube in the test tube placing hole is clamped in the clamping hole, and the clamping hole is conical, so that the test tubes with different diameters can be fixed, and the application range is wider;
2. when the fixing rod is rotatably connected with the rotating rod, the clamping block is not easily clamped in the test tube placing hole when the connecting seat is vertically moved, so that the test tube is convenient to assemble and disassemble;
3. the connecting seat is tightly propped against the rotor body by the rotating handle, so that the clamping device can be kept stable in the high-speed rotating process of the rotor.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is a schematic view of the structure of the clamping device of fig. 1.
In the figure, 1, a rotor body; 2. a clamping device; 21. a rotating shaft; 22. a connecting seat; 23. a connecting rod; 231. fixing the rod; 232. rotating the rod; 233. a card slot; 234. hinging a shaft; 24. a clamping block; 25. a clamping hole; 3. mounting grooves; 4. test tube placement holes; 5. a liquid accumulation tank; 6. positioning blocks; 7. positioning a groove; 8. positioning holes; 9. rotating the handle; 10. connecting holes; 11. a keyway; 12. mounting holes; 13. and (6) installing a bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a rotor of desk centrifuge, including rotor body 1 and clamping device 2, clamping device 2 rotates and connects on rotor body 1, and rotor body 1 is round platform shape setting, and mounting groove 3 has been seted up downwards to 1 up end of rotor body, and the transversal trapezoidal of personally submitting of mounting groove 3 is down, has evenly seted up six test tubes along circumference on the cambered surface of mounting groove 3 and has placed hole 4, and the test tube is placed 4 tops and is leaned on rotor body 1 axis.
Liquid accumulation groove 5 has been seted up to rotor body 1 up end, and liquid accumulation groove 5 is transversal personally submits trapezoidally, if the liquid in the test tube spills carelessly, liquid accumulation groove 5 can be collected the liquid that spills, avoids liquid inflow centrifuge this internally.
Referring to fig. 2 and 3, clamping device 2 has cup jointed connecting seat 22 including setting up pivot 21 on rotor body 1 in the pivot 21, and connecting seat 22 and pivot 21 sliding connection, connecting seat 22 are evenly fixed with six groups of connecting rods 23 along circumference, and the one end that connecting rod 23 kept away from connecting seat 22 is fixed with and presss from both sides tight piece 24, and connecting rod 23, press from both sides tight piece 24 and test tube place 4 one-to-one in hole.
Press from both sides tight piece 24 and be cylindrical, press from both sides the diameter of tight piece 24 unanimous with test tube side hole diameter, press from both sides tight piece 24 and place one side of hole 4 towards the test tube and offer conical chucking hole 25, when pressing from both sides tightly, the test tube terminal surface butt in hole 4 is placed with the test tube to the conical surface in chucking hole 25, all can press from both sides tightly to the test tube of different diameters.
The clamping block 24 is made of rubber so as to avoid damaging the test tube during clamping.
Connecting rod 23 includes dead lever 231 with connecting seat 22 fixed connection, draw-in groove 233 has been seted up to the one end that dead lever 231 kept away from connecting seat 22, be provided with dwang 232 in the draw-in groove 233, be provided with articulated shaft 234 on the dwang 232, articulated shaft 234 rotates to be connected in draw-in groove 233, when connecting seat 22 was along pivot 21 rectilinear movement, dead lever 231 was along with the vertical removal of connecting seat 22, dwang 232 rotates around articulated shaft 234 axis, the downward movement of slope simultaneously, make press from both sides tight piece 24 and can place the hole 4 removal along the test tube.
The test tube is placed 4 bottoms in hole and is provided with locating piece 6, has seted up constant head tank 7 on the locating piece 6, and constant head tank 7 is the cambered surface setting, inserts the test tube when placing hole 4 with the test tube in, and locating piece 6 can fix a position the test tube bottom.
Locating hole 8 has been seted up along the axis to rotor body 1 up end, and pivot 21 threaded connection is in locating hole 8, and the one end that rotor body 1 was kept away from to pivot 21 is provided with twist grip 9, and twist grip 9 and connecting seat 22 up end butt make press from both sides tight piece 24 and support tightly at the test tube terminal surface, and the rotor is at high-speed rotatory in-process, and clamping device 2 can remain stable.
Connecting hole 10 has been seted up along the axis to rotor body 1 lower terminal surface, and two keyways 11 have been seted up along circumference to connecting hole 10 inner wall, and 8 bottom surfaces of locating hole are seted up downwards with the mounting hole 12 of connecting hole 10 intercommunication, wear to be equipped with mounting bolt 13 in the mounting hole 12, and mounting bolt 13 is hexagon socket head cap screw.
The implementation principle of the embodiment is as follows: when the rotor is installed in a centrifugal machine, firstly, the rotating handle 9 is rotated to drive the rotating shaft 21 to rotate, the clamping device 2 is detached from the rotor body 1, then the connecting hole 10 at the bottom of the rotor body 1 is sleeved on the rotating shaft 21 of the motor in the centrifugal machine, the key groove 11 is matched with a key on the rotating shaft 21 of the motor to carry out circumferential positioning, then the mounting bolt 13 is rotated on the hexagon socket plate through the positioning hole 8, the rotor is locked on the rotating shaft 21 of the motor by the mounting bolt 13, and then the clamping device 2 is installed back on the rotor body 1.
When using, revolute 21 swivelling joint seat 22 earlier, make chucking piece place hole 4 with the test tube and stagger, then insert the test tube and place in the hole 4, upwards mention connecting seat 22 along pivot 21 after that, swivelling joint seat 22 once more, make and press from both sides tight piece 24 and be located the test tube and place hole 4 top, follow pivot 21 downstream connecting seat 22 at last, make and press from both sides tight piece 24 and peg graft in the test tube places hole 4, the test tube tip joint that the test tube placed in the hole 4 is to chucking hole 25 in, because chucking hole 25 is the toper, the test tube to the diameter difference can both be fixed, locking twist grip 9 at last makes twist grip 9 and connecting seat 22 butt, makes and press from both sides tight piece 24 and test tube terminal surface to support tightly.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a rotor of desk-top centrifuge, includes rotor body (1) and clamping device (2), clamping device (2) rotate to be connected on rotor body (1), and rotor body (1) up end has seted up a plurality of test tubes along circumference and has placed hole (4), its characterized in that: clamping device (2) is including setting up pivot (21) on rotor body (1), sliding connection has connecting seat (22) on pivot (21), be provided with a plurality of connecting rods (23) on connecting seat (22), the one end that connecting seat (22) were kept away from in connecting rod (23) is provided with and presss from both sides tight piece (24), hole (4) one-to-one is placed with the test tube in connecting rod (23), pressing from both sides tight piece (24), press from both sides tight piece (24) and place one side of hole (4) towards the test tube and offer conical chucking hole (25).
2. A rotor of a desktop centrifuge according to claim 1, wherein: the top end of the test tube placing hole (4) inclines towards the axis of the rotor body (1).
3. A rotor of a desktop centrifuge according to claim 2, wherein: connecting rod (23) include dead lever (231) of being connected with connecting seat (22), the one end that connecting seat (22) were kept away from in dead lever (231) articulates there is dwang (232), press from both sides tight piece (24) and connect the one end of keeping away from dead lever (231) at dwang (232).
4. A rotor of a desktop centrifuge according to claim 3, wherein: the test tube placing hole (4) is provided with locating piece (6) bottom, locating piece (6) are last to have seted up constant head tank (7), constant head tank (7) are the cambered surface setting.
5. A rotor of a desktop centrifuge according to claim 4, wherein: the rotating shaft (21) is in threaded connection with the rotor body (1), and a rotating handle (9) is arranged at one end, far away from the rotor body (1), of the rotating shaft (21).
6. A rotor of a desktop centrifuge according to claim 5, wherein: the upper end face of the rotor body (1) is provided with a liquid accumulation groove (5).
7. A rotor of a desktop centrifuge according to claim 6, wherein: the cross section of the liquid accumulation groove (5) is trapezoidal.
8. A rotor of a desktop centrifuge according to claim 1, wherein: connecting hole (10) have been seted up along the axis to rotor body (1) lower terminal surface, keyway (11) have been seted up to connecting hole (10) inner wall, mounting hole (12) have been seted up along the axis to rotor body (1) up end, wear to be equipped with in mounting hole (12) mounting bolt (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020134171.4U CN211587093U (en) | 2020-01-20 | 2020-01-20 | Rotor of table centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020134171.4U CN211587093U (en) | 2020-01-20 | 2020-01-20 | Rotor of table centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211587093U true CN211587093U (en) | 2020-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020134171.4U Active CN211587093U (en) | 2020-01-20 | 2020-01-20 | Rotor of table centrifuge |
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| Country | Link |
|---|---|
| CN (1) | CN211587093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019717A (en) * | 2021-02-04 | 2021-06-25 | 范建伟 | Stem cell centrifugal equipment with adjust structure and function |
-
2020
- 2020-01-20 CN CN202020134171.4U patent/CN211587093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019717A (en) * | 2021-02-04 | 2021-06-25 | 范建伟 | Stem cell centrifugal equipment with adjust structure and function |
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