CN203886566U - Detachable centrifugal pipe - Google Patents
Detachable centrifugal pipe Download PDFInfo
- Publication number
- CN203886566U CN203886566U CN201420258572.5U CN201420258572U CN203886566U CN 203886566 U CN203886566 U CN 203886566U CN 201420258572 U CN201420258572 U CN 201420258572U CN 203886566 U CN203886566 U CN 203886566U
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- CN
- China
- Prior art keywords
- pipe
- socket
- centrifuge tube
- return valve
- detachable
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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.)
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Abstract
The utility model discloses a detachable centrifugal pipe. The detachable centrifugal pipe comprises a pipe barrel, a pipe base, a pipe cap and backflow prevention valves, wherein the pipe barrel is of a structure with two open ends; the upper end of the pipe base is of a cylindrical structure; the lower end of the pipe base is of a semicircular structure; a first end of the pipe barrel and the upper end of the pipe base are connected to form a centrifugal pipe; the inner diameter and outer diameter of the first end of the pipe barrel are closed up simultaneously; the pipe cap consists of an inner cap body and an outer cap body; clamp teeth and clamp grooves which are matched are arranged between the inner cap body and the outer cap body; the inner cap body and the outer cap body are connected by virtue of the clamp teeth and the clamp grooves, and cover a second end of the pipe barrel; the pipe barrel is internally provided with one to four backflow prevention valves; the thickness of the fixed end is greater than that of a free end. The detachable centrifugal pipe provided by the utility model can be used for effectively preventing sediment from flowing back, taking out sediments in the pipe base conveniently and rapidly and taking deposition samples quantitatively.
Description
Technical field
The utility model relates to a kind of centrifuge tube, particularly relates to a kind of detachable centrifuge tube.
Background technology
Centrifuge tube is the device of Separation of Solid and Liquid conventional in chemical experiment, and its principle is to utilize the centrifugal force suffered with liquid phase of solid phase in circular motion different, and the solid matter in suspension is deposited, and reaches the object of solid phase and liquid phase separation.
The centrifuge tube that at present laboratory is usually used is integral structure, carry out after centrifugally operated, due to the deposit of bottom from the mouth of pipe away from, be difficult to deposit to take out, and easily stick on tube wall, cause waste.
In addition, application number is 201120504803.2 Chinese utility model patent, name is called a kind of Combined centrifuge tube and discloses a kind of centrifuge tube being made up of socket and the pipe end, its pipe end, can disassemble after centrifugal, conveniently pour out material, but in the time of practical operation, appoint top material need be poured out after the lower pipe end of dismounting again, take out deposition material, otherwise top material will be trickled down.And this operation when upper materials is poured out, can be poured out deposit in the lump, be not only difficult to get pure deposit but also need quantitative to obtain the sedimental experiment of centrifuge tube bottom for some, use this centrifuge tube also also inconvenient quantitative to deposit.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of detachable centrifuge tube, in the time toppling over upper strata liquid, can effectively prevent that deposit from refluxing, take-off pipe bottom sediment easily and fast, and can obtain deposit sample by quantitative.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of detachable centrifuge tube is provided, comprise socket and the pipe end, described socket is both ends open formula structure, upper end at the bottom of described pipe is cylindrical structural, lower end at the bottom of described pipe is semicircular arc structure, the first end of described socket is connected to form centrifuge tube with the upper end at the pipe end, the first end internal-and external diameter of described socket closes up simultaneously, described centrifuge tube also comprises pipe lid and anti-return valve, described pipe lid is made up of interior lid and outer cover, between described interior lid and outer cover, be provided with the latch and the draw-in groove that match, described interior lid is connected and is placed on the second end of socket by described latch and draw-in groove with outer cover, in described socket, be provided with one to four anti-return valve, that described anti-return valve is lightweight and with flexible and film toughness, described anti-return valve is divided into stiff end and free-end, described stiff end is fixed on the inwall at first end mouth of pipe place of socket, described free-end is towards the direction at the pipe end, and the thickness of described stiff end is greater than the thickness of free-end.
Further, be provided with an anti-return valve in described socket, the intermediate width of described anti-return valve is greater than the diameter of socket.
Further, be provided with two anti-return valves in described socket, the intermediate width of described each anti-return valve is greater than the radius of socket.
Further, be provided with three anti-return valves in described socket, the intermediate width of described each anti-return valve is greater than the radius of socket.
Further, be provided with four anti-return valves in described socket, the intermediate width of described each anti-return valve is greater than the radius of socket.
Further, described interior lid is that an end opening, inner hollow and cross section are the lid of U-shaped, and the openend outer rim of described interior lid is provided with a circle latch; Described outer cover one end opening, is provided with a through hole on the end face of the other end, the inwall upper end of described outer cover is provided with the draw-in groove matching with latch, and described interior lid is stuck in described draw-in groove and is fixed with outer cover by described latch.
Further, on the outer surface of the first end of described socket, be provided with external screw thread, on the inwall of the upper end at the bottom of described pipe, be provided with internal thread, described socket was connected by external screw thread and internal thread with the pipe end.
Further, described external screw thread and internal thread connection are provided with rubber washer.
Further, the internal diameter at the bottom of described pipe is slightly less than the internal diameter of socket.
Further, described socket and the pipe end, are all transparent.
The utility model is provided with anti-return valve, when centrifugal, deposit can deposit to the pipe end by anti-return valve in the effect lower floor of centrifugal force, and then while toppling over upper strata liquid, anti-return valve can effectively prevent that deposit from refluxing, then will at the bottom of pipe, disassemble take-off pipe bottom sediment easily and fast, and according to the difference size of pipe end container cavity, can obtain deposit sample by quantitative.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiments of the detachable centrifuge tube of the utility model.
Fig. 2 is the partial schematic diagram after the utility model socket split with the pipe end.
Fig. 3 is the structural representation of the utility model pipe lid.
Fig. 4 is the utility model socket and the partial schematic diagram of managing the end.
Fig. 5 is local enlarged diagram of the present utility model.
Fig. 6 is local enlarged diagram of the present utility model.
Fig. 7 is local enlarged diagram of the present utility model.
Fig. 8 is the top view of three anti-return valves of the utility model.
Fig. 9 is the top view of four anti-return valves of the utility model.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the utility model is elaborated.
Please refer to shown in Fig. 1 and Fig. 2, the preferred embodiments of the detachable centrifuge tube of the utility model comprises: socket 1, the pipe end 2, pipe cover 3 and anti-return valve 4.
Described socket 1 is both ends open formula structure, and the first end internal-and external diameter of described socket 1 closes up simultaneously, on the outer surface of the first end of described socket 1, is provided with external screw thread.At the bottom of described pipe, 2 upper end is cylindrical structural, at the bottom of described pipe, on the inwall of 2 upper end, is provided with internal thread, and at the bottom of described pipe, 2 lower end is semicircular arc structure, and the first end of described socket 1 is connected to form centrifuge tube with the upper end at the pipe end 2 by external screw thread and internal thread.It should be noted that, the utility model adopts the mode of screw thread to connect socket 1 and the pipe end 2, also can adopt the common in the art connected mode such as latch and draw-in groove.
As shown in Figure 3, described pipe lid 3 is made up of interior lid 31 and outer cover 32, and described interior lid 31 is that an end opening, inner hollow and cross section are the lid of U-shaped, and the openend outer rim of described interior lid 31 is provided with a circle latch; Described outer cover 32 1 end openings, on the end face of the other end, be provided with a through hole, the inwall upper end of described outer cover 32 is provided with the draw-in groove matching with latch, and described interior lid 31 is stuck in the second end of fixing and be placed on socket 1 in described draw-in groove with outer cover 32 by described latch.Described pipe lid 3 can be medical grade rubber plug, and convenient operation person uses syringe to insert direct sample in centrifuge tube.
Embodiment 1
As shown in Figure 4, in described socket 1, be provided with an anti-return valve 4, that described anti-return valve 4 is lightweight and with flexible and film toughness, described anti-return valve 4 is divided into stiff end 41 and free-end 42, described stiff end 41 is slightly thick and be fixed on the inwall at first end mouth of pipe place of socket 1, described free-end 42 is towards the direction at the pipe end 2, and the intermediate width of described anti-return valve 4 is greater than the diameter of socket 1.
Shown in Fig. 4, the free-end 42 of described anti-return valve 4 is towards the direction at the pipe end 2, the flow direction that the direction of arrow is fluid.During as centrifugally operated, fluid flows to the pipe end 2 from socket 1, and anti-return valve 4 opens, and fluid passes through smoothly.As shown in Figure 5, in the time pouring out supernatant liquid, the deposit at the pipe end 2 is under the effect of gravity, flow to socket 1 from the pipe end 2, now the free-end 42 of anti-return valve 4 is drawn close to socket 1 wall, barrier deposition thing flow, upper strata liquid is all poured out, deposit is still stayed at pipe the end 2, plays the effect of anti-backflow.
Embodiment 2
As shown in Figure 2, in described socket 1, be provided with two anti-return valves 4, that described anti-return valve 4 is lightweight and with flexible and film toughness, described anti-return valve 4 is divided into stiff end 41 and free-end 42, described stiff end 41 is fixed on the inwall at first end mouth of pipe place of socket 1, described free-end 42 is towards the direction at the pipe end 2, and the thickness of described stiff end 41 is greater than the thickness of free-end 42, and the intermediate width of described each anti-return valve 4 is greater than the radius of socket 1.
As shown in Figure 6, the free-end 42 of described anti-return valve 4 is towards the direction at the pipe end 2, the flow direction that the direction of arrow is fluid.During as centrifugally operated, fluid flows to the pipe end 2 from socket 1, and anti-return valve 4 opens, and fluid passes through smoothly.As shown in Figure 7, in the time pouring out supernatant liquid, the deposit at the pipe end 2 is under the effect of gravity, flow to socket 1 from the pipe end 2, now the free-end 42 of anti-return valve 4 is to close proximity in the middle of tube chamber, the flowing of barrier deposition thing, and upper strata liquid is all poured out, deposit is still stayed at pipe the end 2, plays the effect of anti-backflow.
Embodiment 3
As shown in Figure 8, in described socket 1, be provided with three anti-return valves 4, that described anti-return valve 4 is lightweight and with flexible and film toughness, described anti-return valve 4 is divided into stiff end 41 and free-end 42, described stiff end 41 is fixed on the inwall at first end mouth of pipe place of socket 1, described free-end 42 is towards the direction at the pipe end 2, and the thickness of described stiff end 41 is greater than the thickness of free-end 42, and the intermediate width of described each anti-return valve 4 is greater than the radius of socket 1.
As shown in Figure 6, the free-end 42 of described anti-return valve 4 is towards the direction at the pipe end 2, the flow direction that the direction of arrow is fluid.During as centrifugally operated, fluid flows to the pipe end 2 from socket 1, and anti-return valve 4 opens, and fluid passes through smoothly.As shown in Figure 7, in the time pouring out supernatant liquid, the deposit at the pipe end 2 is under the effect of gravity, flow to socket 1 from the pipe end 2, now the free-end 42 of anti-return valve 4 is to close proximity in the middle of tube chamber, the flowing of barrier deposition thing, and upper strata liquid is all poured out, deposit is still stayed at pipe the end 2, plays the effect of anti-backflow.
Embodiment 4
As shown in Figure 9, in described socket 1, be provided with four anti-return valves 4, that described anti-return valve 4 is lightweight and with flexible and film toughness, described anti-return valve 4 is divided into stiff end 41 and free-end 42, described stiff end 41 is fixed on the inwall at first end mouth of pipe place of socket 1, described free-end 42 is towards the direction at the pipe end 2, and the thickness of described stiff end 41 is greater than the thickness of free-end 42, and the intermediate width of described each anti-return valve 4 is greater than the radius of socket 1.
As shown in Figure 6, the free-end 42 of described anti-return valve 4 is towards the direction at the pipe end 2, the flow direction that the direction of arrow is fluid.During as centrifugally operated, fluid flows to the pipe end 2 from socket 1, and anti-return valve 4 opens, and fluid passes through smoothly.As shown in Figure 7, in the time pouring out supernatant liquid, the deposit at the pipe end 2 is under the effect of gravity, flow to socket 1 from the pipe end 2, now the free-end 42 of anti-return valve 4 is to close proximity in the middle of tube chamber, the flowing of barrier deposition thing, and upper strata liquid is all poured out, deposit is still stayed at pipe the end 2, plays the effect of anti-backflow.
Finally, then by 2 screwing off from socket 1 at the bottom of pipe, obtain deposit.It should be noted that, this centrifuge tube is not only to design for the ease of obtaining deposit, then while pouring out upper strata liquid, deposit is blocked, and the upper strata liquid obtaining is also purer, is applicable to different experiment needs.
Please refer to shown in Fig. 2 and Fig. 4, described external screw thread and internal thread connection are provided with rubber washer 5, and being mainly increases socket 1 and the sealing of managing the end 2.At the bottom of described pipe, 2 internal diameter is slightly less than the internal diameter of socket 1, and at the bottom of described pipe, the large I of 2 container cavities, according to the different designs that needs, generally can be designed to several different models, is convenient to quantitative and obtains deposit.
Wherein, the equal transparent material of described socket 1 and the pipe end 2 is made, the observation of person to centrifugate that be mainly convenient operation.
Above specific descriptions of the present utility model are intended to illustrate the implementation of specific embodiments, can not be interpreted as it is to restriction of the present utility model, those skilled in the art are under instruction of the present utility model, can on the embodiment basis of describing in detail, make various variants, within these variants all should be included in design of the present utility model.The utility model scope required for protection only will be stated and be limited by described right.
Claims (10)
1. a detachable centrifuge tube, comprise socket and the pipe end, described socket is both ends open formula structure, upper end at the bottom of described pipe is cylindrical structural, lower end at the bottom of described pipe is semicircular arc structure, the first end of described socket is connected to form centrifuge tube with the upper end at the pipe end, it is characterized in that: the first end internal-and external diameter of described socket closes up simultaneously, described centrifuge tube also comprises pipe lid and anti-return valve, described pipe lid is made up of interior lid and outer cover, between described interior lid and outer cover, be provided with the latch and the draw-in groove that match, described interior lid is connected and is placed on the second end of socket by described latch and draw-in groove with outer cover, in described socket, be provided with one to four anti-return valve, that described anti-return valve is lightweight and with flexible and film toughness, described anti-return valve is divided into stiff end and free-end, described stiff end is fixed on the inwall at first end mouth of pipe place of socket, described free-end is towards the direction at the pipe end, and the thickness of described stiff end is greater than the thickness of free-end.
2. detachable centrifuge tube according to claim 1, is characterized in that: in described socket, be provided with an anti-return valve, the intermediate width of described anti-return valve is greater than the diameter of socket.
3. detachable centrifuge tube according to claim 1, is characterized in that: in described socket, be provided with two anti-return valves, the intermediate width of described each anti-return valve is greater than the radius of socket.
4. detachable centrifuge tube according to claim 1, is characterized in that: in described socket, be provided with three anti-return valves, the intermediate width of described each anti-return valve is greater than the radius of socket.
5. detachable centrifuge tube according to claim 1, is characterized in that: in described socket, be provided with four anti-return valves, the intermediate width of described each anti-return valve is greater than the radius of socket.
6. detachable centrifuge tube according to claim 1, is characterized in that: described interior lid is that an end opening, inner hollow and cross section are the lid of U-shaped, and the openend outer rim of described interior lid is provided with a circle latch; Described outer cover one end opening, is provided with a through hole on the end face of the other end, the inwall upper end of described outer cover is provided with the draw-in groove matching with latch, and described interior lid is stuck in described draw-in groove and is fixed with outer cover by described latch.
7. detachable centrifuge tube according to claim 1, it is characterized in that: on the outer surface of the first end of described socket, be provided with external screw thread, on the inwall of the upper end at the bottom of described pipe, be provided with internal thread, described socket was connected by external screw thread and internal thread with the pipe end.
8. detachable centrifuge tube according to claim 7, is characterized in that: described external screw thread and internal thread connection are provided with rubber washer.
9. detachable centrifuge tube according to claim 1, is characterized in that: the internal diameter at the bottom of described pipe is slightly less than the internal diameter of socket.
10. detachable centrifuge tube according to claim 1, is characterized in that: described socket and the pipe end are all transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258572.5U CN203886566U (en) | 2014-05-20 | 2014-05-20 | Detachable centrifugal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258572.5U CN203886566U (en) | 2014-05-20 | 2014-05-20 | Detachable centrifugal pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203886566U true CN203886566U (en) | 2014-10-22 |
Family
ID=51713014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420258572.5U Expired - Fee Related CN203886566U (en) | 2014-05-20 | 2014-05-20 | Detachable centrifugal pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203886566U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140494A (en) * | 2015-04-02 | 2016-11-23 | 马铁军 | A kind of centrifugal when use special bottom opening centrifuge tube device |
| CN106179552A (en) * | 2016-07-06 | 2016-12-07 | 江苏科华医疗器械科技有限公司 | A kind of integral type ultra-filtration centrifuge tube |
| CN108786951A (en) * | 2017-08-17 | 2018-11-13 | 北京诺亚威仪器仪表有限公司 | A kind of reagent detection pipe and reagent detect tube assembly |
-
2014
- 2014-05-20 CN CN201420258572.5U patent/CN203886566U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140494A (en) * | 2015-04-02 | 2016-11-23 | 马铁军 | A kind of centrifugal when use special bottom opening centrifuge tube device |
| CN106179552A (en) * | 2016-07-06 | 2016-12-07 | 江苏科华医疗器械科技有限公司 | A kind of integral type ultra-filtration centrifuge tube |
| CN108786951A (en) * | 2017-08-17 | 2018-11-13 | 北京诺亚威仪器仪表有限公司 | A kind of reagent detection pipe and reagent detect tube assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20150520 |
|
| EXPY | Termination of patent right or utility model |