CN220361209U - Screw round bottom centrifuge tube - Google Patents
Screw round bottom centrifuge tube Download PDFInfo
- Publication number
- CN220361209U CN220361209U CN202321773830.9U CN202321773830U CN220361209U CN 220361209 U CN220361209 U CN 220361209U CN 202321773830 U CN202321773830 U CN 202321773830U CN 220361209 U CN220361209 U CN 220361209U
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- CN
- China
- Prior art keywords
- tube body
- centrifuge tube
- limiting plate
- round bottom
- screw rod
- Prior art date
- 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.)
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- 230000000903 blocking effect Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 15
- 238000004113 cell culture Methods 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 210000003463 organelle Anatomy 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model discloses a screw round bottom centrifuge tube, which comprises a centrifuge tube body, wherein a protective base is arranged at the bottom of the centrifuge tube body, a threaded tube orifice is arranged at the upper end of the centrifuge tube body, a limiting plate is arranged at the middle part in the centrifuge tube body in a sliding manner through a screw rod, a threaded hole is arranged at the middle part in the limiting plate, a flow blocking blade is arranged at the lower side of the limiting plate, the lower end of the screw rod is arranged in a rotary penetrating manner through the protective base, a sealing ring is arranged between the protective base and the screw rod, an external thread is arranged at the outer side of the threaded tube orifice, and a sealing cover is arranged at the outer side of the threaded tube orifice.
Description
Technical Field
The utility model relates to the technical field of centrifuge tubes, in particular to a screw round bottom centrifuge tube.
Background
In the field of bioscience, centrifugation techniques have found very wide application. Centrifugation is one of the most common methods for separation of proteins, enzymes, nucleic acids and cellular sub-components, and is also a method of separation, purification or clarification commonly used in biochemical laboratories. Cell culture refers to the growth of cells in vitro under the conditions provided by manpower, and the cells grown in the culture process are not subdivided into tissues, so that the cell culture is a basic and important production means in biotechnology. The sample suspension is placed in a centrifuge tube and rotated at a high speed, and the suspended tiny particles (such as organelles, precipitation of biological macromolecules and the like) are settled at a certain speed under the action of huge centrifugal force, so that the suspended tiny particles are separated from the solution.
The utility model provides a centrifuging tube that CN201821666740.9 was applied for to number among the prior art, includes centrifuging tube body, handle, connecting piece, sealing member and bottom, the handle inserts centrifuging tube body and with the connecting piece can dismantle the connection. The centrifuge tube can realize layered liquid taking and reagent adding, improves the extraction efficiency and safety, saves the cost of instruments, but can not carry out limit and flow blocking treatment on the upper part of liquid in the centrifuge tube, so that the liquid centrifugal effect is general, and the requirements of cell culture use are difficult to well meet.
Disclosure of Invention
The utility model aims to provide a screw round bottom centrifuge tube, which solves the problems that in the prior art, the upper part of liquid in the centrifuge tube cannot be subjected to limit and flow resistance treatment, so that the liquid centrifugal effect is common, and the requirement of cell culture use is difficult to well meet.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a screw round bottom centrifuging tube, includes the centrifuging tube body, the protection base is installed to centrifuging tube body bottom, threaded mouth of pipe has been seted up to centrifuging tube body upper end, the internal middle part of centrifuging tube is equipped with the limiting plate through the lead screw slip, and the screw hole has been seted up at the middle part in the limiting plate, flow blocking blade is installed to the limiting plate downside, the rotatory protection base setting that runs through of lead screw lower extreme, installs the sealing washer between protection base and the lead screw.
Further, an external thread is arranged on the outer side of the threaded pipe orifice, and a sealing cover is arranged on the outer side of the threaded pipe orifice in a threaded manner.
Furthermore, the flow blocking blades are arranged on the lower side of the limiting plate in an annular array, and protrusions are arranged on the lower side of the flow blocking blades.
Further, the backup pad is installed to the inside upper portion of centrifuging tube, and passes through bearing and lead screw swivelling joint between backup pad and the protection base, adjusting nut is installed to the lead screw lower extreme, and adjusting nut sets up in the recess of protection base downside.
Furthermore, limit sliding grooves are formed in the inner wall of the centrifuge tube body, and limit sliding blocks and limit sliding grooves are arranged on two sides of the limit plate in a sliding mode.
Further, through holes are formed in the limiting plates, and the limiting plates are arranged to be circular plates.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the centrifugal tube, the limiting plate is arranged in the middle of the centrifugal tube body in a sliding manner through the screw rod, and the flow blocking blades are arranged on the lower side of the limiting plate, so that the limiting plate and the flow blocking blades can limit and block the upper part of liquid in the centrifugal tube body when the centrifugal tube body rotates at high speed, the liquid can be centrifuged better, and the centrifugal tube is beneficial to improving the centrifugal efficiency.
2. According to the centrifugal tube, the supporting plate is arranged at the upper part in the centrifugal tube body, the supporting plate is in rotary connection with the screw rod through the bearing, the screw rod is conveniently arranged at the middle part in the centrifugal tube body in a rotary mode, the lower end of the screw rod is rotatably arranged through the protective base, the adjusting nut is arranged at the lower end of the screw rod, and lifting adjustment treatment of the limiting plate and the flow blocking blades can be conveniently carried out through rotating the adjusting screw rod, so that centrifugal operation treatment of liquids at different heights in the centrifugal tube body is met, and centrifugal efficiency is further improved.
3. According to the centrifugal tube, the protection base is arranged at the bottom of the centrifugal tube body, and the protection base adopts the rubber base or the plastic base, so that the lower end of the centrifugal tube body is conveniently protected, and the protection effect is good.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the internal structure of the centrifuge tube of the present utility model;
fig. 3 is a schematic diagram of a connection structure between a limiting plate and a screw rod according to the present utility model.
In the figure: 1. a centrifuge tube body; 2. a threaded pipe orifice; 3. a protective base; 4. sealing cover; 5. a limiting plate; 6. a support plate; 7. a screw rod; 8. a flow blocking vane; 9. an adjusting nut; 10. a bearing; 11. a seal ring; 12. a groove; 13. a limit sliding block; 14. limiting sliding grooves; 15. a threaded hole; 16. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2 and 3, in the embodiment of the utility model, the screw round bottom centrifuge tube comprises a centrifuge tube body 1, the centrifuge tube body 1 adopts a transparent tube body, a protection base 3 is installed at the bottom of the centrifuge tube body 1, the protection base adopts a rubber base or a plastic base, protection treatment is conveniently carried out on the lower end of the centrifuge tube body, a better protection effect is achieved, the rubber base or the plastic base is conveniently used for carrying out protection treatment on the lower end of the centrifuge tube body, a threaded tube orifice 2 is arranged at the upper end of the centrifuge tube body 1, a limiting plate 5 is slidably arranged in the middle part of the centrifuge tube body 1 through a screw rod 7, a threaded hole 15 is arranged in the middle part of the limiting plate 5, a flow blocking blade 8 is installed at the lower side of the limiting plate 5, so that the limiting plate 5 and the flow blocking blade 8 can limit the upper part of liquid in the centrifuge tube body 1 at a high speed, the liquid is convenient to carry out centrifugation better, the efficiency is favorable to be improved, the lower end of the screw rod 7 is rotatably arranged through the protection base 3, a sealing ring 11 is installed between the protection base 3 and the screw rod 7, and the sealing performance of the rotary connection of the lower part of the screw rod 7 and the protection base 3 is convenient to be improved.
Preferably, the outside of the threaded pipe orifice 2 is provided with external threads, and the outside of the threaded pipe orifice 2 is provided with a sealing cover 4 in a threaded manner, so that the upper end of the centrifuge tube body 1 is subjected to sealing protection treatment.
Preferably, the flow blocking blades 8 are arranged on the lower side of the limiting plate 5 in an annular array, and protrusions are arranged on the lower side of the flow blocking blades 8, so that limiting and flow blocking treatment can be carried out on the upper portion of liquid in the centrifugal tube body 1.
Preferably, backup pad 6 is installed to upper portion in the centrifuging tube body 1, and pass through bearing 10 and lead screw 7 swivelling joint between backup pad 6 and the protection base 3, be convenient for with the rotatory setting of lead screw 7 in centrifuging tube body 1 middle part, adjusting nut 9 is installed to the lead screw 7 lower extreme, adjusting nut 9 sets up in the recess 12 of protection base 3 downside, be convenient for through rotatory adjusting lead screw 7 can lift adjustment to limiting plate 5 and choked flow blade 8 handle, thereby satisfy the liquid of the internal different co-altitude of centrifuging tube and carry out centrifugal operation and handle, be favorable to further improving centrifugal efficiency.
Preferably, the limiting sliding groove 14 is formed in the inner wall of the centrifuge tube body 1, and the limiting sliding blocks 13 and the limiting sliding grooves 14 are arranged on two sides of the limiting plate 5 in a sliding mode and used for conducting guiding treatment when the limiting plate 5 is adjusted in a lifting mode, and the structural stability of the sliding arrangement of the limiting plate 5 is improved.
Preferably, through holes 16 are formed in the limiting plate 5, liquid is convenient to flow in and out through the limiting plate 5, and the limiting plate 5 is arranged into a circular plate.
The working principle and the using flow of the utility model are as follows: because the middle part is equipped with limiting plate 5 through lead screw 7 slip in the centrifuging tube body 1, limiting plate 5 downside is equipped with a plurality of choked flow blades 8 for limiting plate 5 and choked flow blade 8 can be when centrifuging tube body 1 high-speed rotation, carry out spacing choked flow to the inside liquid upper portion of centrifuging tube body 1 and handle, and the better centrifugation of liquid of being convenient for is favorable to improving centrifugal efficiency.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a screw round bottom centrifuging tube, includes centrifuging tube body (1), its characterized in that: the centrifugal tube comprises a centrifugal tube body (1), wherein a protective base (3) is arranged at the bottom of the centrifugal tube body (1), a threaded pipe orifice (2) is formed in the upper end of the centrifugal tube body (1), a limiting plate (5) is slidably arranged in the middle of the centrifugal tube body (1) through a screw rod (7), a flow blocking blade (8) is arranged on the lower side of the limiting plate (5), and the lower end of the screw rod (7) is rotatably arranged through the protective base (3).
2. The screw round bottom centrifuge tube of claim 1, wherein: external threads are arranged on the outer side of the threaded pipe orifice (2), and a sealing cover (4) is arranged on the outer side of the threaded pipe orifice (2) in a threaded manner.
3. The screw round bottom centrifuge tube of claim 1, wherein: the plurality of the flow blocking blades (8) are arranged on the lower side of the limiting plate (5) in an annular array, and protrusions are arranged on the lower side of the flow blocking blades (8).
4. The screw round bottom centrifuge tube of claim 1, wherein: the centrifugal tube is characterized in that a supporting plate (6) is arranged on the inner upper portion of the centrifugal tube body (1), the supporting plate (6) is connected with a screw rod (7) in a rotating mode through a bearing (10), and an adjusting nut (9) is arranged at the lower end of the screw rod (7).
5. The screw round bottom centrifuge tube of claim 1, wherein: limiting sliding grooves (14) are formed in the inner wall of the centrifuge tube body (1), and limiting sliding blocks (13) and the limiting sliding grooves (14) are arranged on two sides of the limiting plate (5) in a sliding mode.
6. The screw round bottom centrifuge tube of claim 1, wherein: through holes (16) are formed in the limiting plates (5), and the limiting plates (5) are arranged to be circular plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773830.9U CN220361209U (en) | 2023-07-07 | 2023-07-07 | Screw round bottom centrifuge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773830.9U CN220361209U (en) | 2023-07-07 | 2023-07-07 | Screw round bottom centrifuge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220361209U true CN220361209U (en) | 2024-01-19 |
Family
ID=89520583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321773830.9U Active CN220361209U (en) | 2023-07-07 | 2023-07-07 | Screw round bottom centrifuge tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220361209U (en) |
-
2023
- 2023-07-07 CN CN202321773830.9U patent/CN220361209U/en active Active
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