CN206577777U - One kind can divide liquid centrifuge tube - Google Patents
One kind can divide liquid centrifuge tube Download PDFInfo
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- CN206577777U CN206577777U CN201720034110.9U CN201720034110U CN206577777U CN 206577777 U CN206577777 U CN 206577777U CN 201720034110 U CN201720034110 U CN 201720034110U CN 206577777 U CN206577777 U CN 206577777U
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Abstract
It can divide liquid centrifuge tube the utility model discloses one kind, it is described to divide liquid centrifuge tube to include centrifugation tube body and pipe cap, the centrifugation tube body is the hollow cavity of upper end open, the bottom of the centrifugation tube body is provided with through hole, the through hole includes under shed and upper shed, and the bottom seal plug provided with salable through hole under shed；Bottom seal plug is removably to be tightly connected with through hole；Pipe cap is connected with centrifuging the upper end open of tube body for thread seal, and pipe cap is connected with the seal bar inside the hollow cavity of an insertion centrifugation tube body, and the upper end of the seal bar is connected with pipe cap body, the seal head of upper shed of the lower end provided with the salable through hole.The a whole set of operation of liquid-liquid extraction can be achieved in liquid-liquid extraction pipe of the present utility model, can carry out low dose of extraction, save reagent cost；Centrifugally operated can be directly carried out without transfer, it is possible to resolve the emulsion that may occur in Liquid-liquid Extraction Processes, reduce the loss in liquid transfer process and impurity is brought into after oscillation extraction.
Description
Technical field
The utility model is related to chemical experiment fixture technology field, more particularly to a kind of centrifuge tube for dividing liquid.
Background technology
Centrifugation technique is a kind of indispensable pre-treatment means of chemical analysis and purification art, liquid can be made quickly to divide
From, purification and clarify, particularly when two-phase immiscible liquid is separated, centrifugation can make mixing liquid fast hierarchical, and right
The emulsion being likely to occur produces demulsification, therefore, and the technology is usually used in the separation and demulsification processing of liquid-liquid extraction.
In traditional operation, liquid-liquid extraction is carried out using separatory funnel, to be centrifuged, liquid must be transferred to centrifuge tube, after centrifugation
Transfer to and lower floor's liquid is released after separatory funnel, stratification.Repeatedly transfer will necessarily bring loss, introduce impurity, and come
Revolution shifting can influence layered effect again, thereby increases and it is possible to regenerate new emulsion layer, influence detection quality.
During liquid-liquid extraction, traditional separatory funnel is cumbersome, artificial vibration, takes time and effort, is difficult batch operation, by
Mechanical oscillation, conventional liquid-liquid extraction oscillator typically also only has 6-10 separatory funnel placement location, and largely operating also needs point
Criticize and carry out, seriously constrain detection cycle.Develop in addition, analysis and detection technology is intended to milligram ammonia direction, comply with environmental protection, energy-conservation
Deng requiring, the sampling amount in pretreatment process, solvent usage amount all tends to small quantization, thus knockout volume requirement also gradually
Reduce.If can will be divided to two kinds of functions of liquid and centrifugation be combined, based on the construction of centrifuge tube, assign its newly divide liquid work(
Can, vortex oscillation and the centrifugation of batch are suitably adapted for, the convenience and detection efficiency of detection can be improved, and detection matter can be improved
Amount.
Therefore, it is necessary to for problem above, a kind of centrifuge tube for dividing liquid is designed.
Utility model content
The utility model, which provides one kind, can divide liquid centrifuge tube, and its bottom sets the fluid hole with sealing-plug, and pipe cap is connected with
A piece seal bar with seal head.Seal bar withstands its bottom fluid hole when screwing pipe cap and its bottom sealing-plug is close
Envelope, completes after oscillation extraction and centrifugation, can open bottom seal plug, unscrew pipe cap, lower floor's liquid is flowed out from bottom liquid outlet,
A point liquid step is completed, by this centrifuge tube, extraction, centrifugation, the operation of point liquid one-stop can be completed.It is adapted to large-scale assay laboratory
Batch operation, quickness and high efficiency, and detection quality can be improved.
The technical solution adopted in the utility model is：
One kind can divide liquid centrifuge tube, described to divide liquid centrifuge tube to include centrifugation tube body and pipe cap, the centrifugation tube body
For the hollow cavity of upper end open, the bottom of the centrifugation tube body is provided with fluid hole, and the fluid hole includes under shed and upper
Opening, the lower end of the fluid hole is provided with the bottom seal plug of the salable fluid hole under shed；The bottom seal plug with
The fluid hole of centrifugation tube body is removably to be tightly connected；The upper end open of the pipe cap and centrifugation tube body is thread seal
Connection, the pipe cap with one insertion centrifugation tube body hollow cavity inside seal bar be connected, the upper end of the seal bar and
Pipe cap body is connected, and lower end is provided with the seal head for the upper shed for being used to seal the fluid hole.
Further, the seal head is fitted close with fluid hole upper shed, forms sealing.
Further, the bottom insertion fluid hole upper shed of the seal head, the lateral surface compressing of seal head is propped up on fluid hole
Edge of opening formation sealing；Or the shape of the seal head is engaged with the shape of fluid hole upper shed, the side of seal head with
The medial surface of fluid hole upper shed is in close contact to form sealing；Or the seal head exposes part and the centrifugation of fluid hole upper shed
The bottom shape of tube body is engaged, and the side of seal head is in close contact to form sealing with centrifuging the inside bottom surface of tube body.
Further, the bottom surface external diameter of the seal head is less than or equal to the internal diameter of fluid hole upper shed, the external diameter of seal head
Gradually increase from top to bottom, the maximum outside diameter of seal head is more than the internal diameter of fluid hole upper shed, and the bottom of seal head may be inserted into
In fluid hole upper shed, the side of seal head is in close contact with the edge of fluid hole upper shed and offseted, and blocks fluid hole upper shed.
Or the shape of the seal head is engaged with the shape of fluid hole upper shed, the bottom surface external diameter of the seal head is less than or equal to
The minimum diameter of fluid apertures upper shed, the external diameter of seal head gradually increases from top to bottom, and the maximum outside diameter of seal head is more than fluid hole
The maximum inner diameter of upper shed, the bottom of seal head may be inserted into fluid hole upper shed, and the side of seal head on fluid hole with opening
The medial surface of mouth, which is fitted close to compress, forms sealing.
Or the seal head exposes the part of fluid hole upper shed and is engaged with centrifuging the bottom shape of tube body, seal head
Bottom surface radius be less than fluid hole upper shed internal diameter, seal head bottom insertion fluid hole upper shed in, seal head exposes liquid
The part of hole upper shed is engaged with centrifuging the bottom shape of tube body, the side of seal head and the inside bottom surface of centrifugation tube body
It is in close contact and forms sealing.
Further, the seal head can for back taper, reverse frustoconic, spheroid shape, fall hemispherical or ball-type, seal head
Maximum outside diameter is required to the maximum inner diameter more than fluid hole upper shed.
Further, the seal bar is connected with pipe cap body to be vertical.
The pipe cap is connected with centrifuging the upper end open of tube body for thread seal, and tube body is centrifuged in pipe cap screwing hermetic
When, seal bar drops to depth capacity, and now seal head is fitted close with fluid hole upper shed, seals fluid hole upper shed.Institute
State pipe cap unscrew drive seal bar rise when, seal head rise, open fluid hole upper shed.
The sealing of the seal head and fluid hole upper shed or opening by the falling of seal bar, rise and control,
And unscrewing for the pipe cap that the lifting of seal bar is connected by seal bar screws control, therefore control rotation pipe cap is controllable fluid hole
Upper shed is turned on and off.
The seal bar and the length sum of seal head make close slightly larger than the depth capacity of the hollow cavity of centrifugation tube body
The bottom of end socket is inserted into fluid hole upper shed, and plays the contact surface for compressing seal head and fluid hole upper shed
Effect, it is ensured that sealing effectiveness.
Further, the bottom seal plug is connected with centrifuging the fluid hole of tube body for thread seal, further, the bottom
Portion's sealing-plug is that outer wall is provided with externally threaded plug screw, and the fluid hole inwall is provided with what is be engaged with the external screw thread of bottom seal plug
In internal thread, the bottom seal plug insertion fluid hole under shed, it is connected with the fluid hole thread seal for centrifuging tube body.
The pipe cap is connected with centrifuging the upper end open of tube body for thread seal, and further, the pipe cap inwall is provided with
Outer wall at internal thread, the upper end open of the centrifugation tube body is provided with the external screw thread being engaged with the internal thread of pipe cap inwall,
In the upper end open insertion pipe cap of the centrifugation tube body, it is connected with the pipe cap thread seal.
Further, the centrifugation tube body is indicated provided with volume markings, is easy to control reagent dosage.
What the utility model was provided divides liquid centrifuge tube to use plastic material, and volume capacity 10-50mL centrifuges tube body
Profile and size and conventional turbula shaker and the size Corresponding matching of centrifuge.
It is preferred that the centrifugation tube body is transparent plastics material.
It is of the present utility model to divide liquid centrifuge tube when in use, bottom end seal plug is inserted under the fluid hole for centrifuging tube body
In opening, it is tightly connected, sample to be extracted and extractant is then added into centrifugation tube body, by pipe cap and centrifugation tube body rotation
Tightly, connected by thread seal, the hollow cavity for the seal bar insertion centrifugation tube body being now connected with pipe cap, seal bar declines
To depth capacity, seal head and the fluid hole upper shed of lower end are fitted close to form sealing, then of short duration violent vibration, if now
It is necessary, pipe cap can be unscrewed and deflated.Pipe cap is screwed, centrifuge tube is put into the vibration that turbula shaker carries out certain time
Extraction, after vibration terminates, is put into centrifuge and is centrifuged, then stratification, removes the fluid hole under shed of centrifugation tube body
Bottom seal plug, now fluid hole under shed open, the seal head at fluid hole upper shed still functions as sealing fluid hole
Effect.Then pipe cap is unscrewed, seal head is raised above under the drive for the seal bar being connected with pipe cap, and fluid hole upper shed is opened
Open, cause air to enter hollow cavity while pipe cap is unscrewed, inside and outside air pressure balance, lower floor's liquid flows out from fluid hole, divided
Liquid is operated.It can screw pipe cap by unscrewing and control the open and-shut mode of seal head and fluid hole upper shed, and then control liquid flow
Go out or halted state and uninterrupted.
In addition, after sample to be extracted and extractant is added, can also first use common centrifuge tube pipe cap and centrifuge tube
Body is sealed, and is carried out vortex oscillation, is then centrifuged for, after centrifugation, common pipe cap is removed, the pipe cap of the application is covered, pipe cap with
The connection of tube body thread seal is centrifuged, and makes the hollow cavity of seal bar insertion centrifugation tube body, seal bar drops to maximum
Depth, seal head is fitted close to form sealing with fluid hole upper shed, then stratification, carries out subsequently point liquid operation.
The beneficial effects of the utility model are：Compared with existing centrifuge tube, the utility model can realize liquid-liquid extraction
A whole set of operation.Compared with traditional liquid-liquid extraction, cumbersome artificial oscillating operation is reduced, and can mass disposal, saving
Artificial and time cost；Low dose of liquid-liquid extraction can be carried out, reagent cost is saved, meets green, energy-saving and environmental protection requirement；Shake
Swing to shift after extraction and can directly carry out centrifugally operated, the emulsification for helping to solve to occur in Liquid-liquid Extraction Processes is existing
As, and be conducive to liquid layered, reduce the loss in liquid transfer process and impurity is brought into, improve detection quality.
Brief description of the drawings
Fig. 1 is the overall structure sectional view for dividing liquid centrifuge tube of embodiment 1.
Fig. 2 is the sectional structure chart of the centrifugation tube body of embodiment 1.
Fig. 3 is the sectional structure chart of the pipe cap of embodiment 1.
Fig. 4 is the overall structure sectional view for dividing liquid centrifuge tube of embodiment 2.
Fig. 5 is the sectional structure chart of the pipe cap of embodiment 2.
Fig. 6 is the overall structure sectional view for dividing liquid centrifuge tube of embodiment 3.
Fig. 7 is the sectional structure chart of the centrifugation tube body of embodiment 3.
Fig. 8 is the overall structure sectional view for dividing liquid centrifuge tube of embodiment 4.
In figure, 1 is centrifugation tube body, and 2 be pipe cap, and 3 be fluid hole, and 3-1 is fluid hole under shed, and 3-2 is on fluid hole
Opening, 4 be bottom seal plug, and 5 be seal bar, and 6 be seal head, and 6-1 is seal head bottom surface, and 6-2 is seal head top surface, and 6-3 is
Seal head and the contact surface of fluid hole upper shed, 6-4 are seal head and the contact surface of centrifugation tube body inside bottom surface.
Embodiment
The utility model embodiment is elaborated again below in conjunction with accompanying drawing, but protection domain of the present utility model is not
It is limited to this.
Embodiment 1
A kind of embodiment of liquid centrifuge tube can be divided as shown in Figures 1 to 3, it is described to divide liquid centrifuge tube to include centrifugation tube body
1 and pipe cap 2, the centrifugation tube body 1 is the hollow cavity of upper end open, and the bottom of the centrifugation tube body 1 is provided with fluid hole
3, the fluid hole 3 includes under shed 3-1 and upper shed 3-2, and the lower end of the fluid hole 3 is provided with the salable fluid hole
Opening 3-1 bottom seal plug 4；The bottom seal plug 4 enters with centrifuging the fluid hole of tube body to be removably tightly connected
In one step, the present embodiment, the bottom seal plug 4 is connected with centrifuging the fluid hole of tube body for thread seal, further, described
Bottom seal plug 4 is that outer wall is provided with externally threaded plug screw, and the fluid hole inwall is provided with the external screw thread matching with bottom seal plug
In the internal thread of conjunction, the bottom seal plug insertion fluid hole under shed, it is threadedly coupled with the fluid hole for centrifuging tube body.
The pipe cap 2 is connected with centrifuging the upper end open of tube body 1 for thread seal, and further, the pipe cap inwall is set
There is the outer wall at internal thread, the upper end open of the centrifugation tube body to be provided with the outer spiral shell being engaged with the internal thread of pipe cap inwall
In line, the upper end open insertion pipe cap of the centrifugation tube body, it is threadedly coupled with the pipe cap.
The pipe cap 2 is connected with the seal bar 5 inside the hollow cavity of an insertion centrifugation tube body, the seal bar 5
Upper end is connected with pipe cap body, upper shed 3-2 of the lower end provided with salable fluid hole seal head 6.The seal head 6 is with going out liquid
Upper shed 3-2 in hole is fitted close, and forms sealing.
Further, in the present embodiment, the seal head 6 is supported with fluid hole upper shed 3-2 by the lateral surface compressing of seal head
The firmly edge formation sealing of fluid hole upper shed.
In the present embodiment, seal head is reverse frustoconic, and fluid hole upper shed is cylinder, and the bottom external diameter of seal head is less than
The internal diameter of fluid hole upper shed, the external diameter of seal head then gradually increases under, and the top external diameter of seal head is more than fluid hole
The internal diameter of upper shed, the bottom of seal head may be inserted into fluid hole upper shed, side and the fluid hole upper shed of seal head
Edge offsets, and blocks fluid hole upper shed.
The internal diameter of the upper shed of fluid hole and the internal diameter of under shed have no particular size relation, but generally preferably upper shed
Internal diameter is smaller, is easy in seal head formation sealing, the present embodiment, as shown in Fig. 2 the internal diameter of the upper shed of fluid hole is opened under being less than
The internal diameter of mouth.
In the present embodiment, the seal bar is connected with pipe cap body to be vertical.
The pipe cap 2 is connected with centrifuging the upper end open of tube body 1 for thread seal, in the screwing hermetic centrifuge tube of pipe cap 2
During body 1, seal bar 5 drops to depth capacity, and now seal head 6 and fluid hole upper shed 3-2 is fitted close, and seals fluid hole
Upper shed 3-2.When the pipe cap 2 unscrews the drive rising of seal bar 5, seal head 6 rises, and opens fluid hole upper shed 3-2.
The seal bar and the length sum of seal head make close slightly larger than the depth capacity of the hollow cavity of centrifugation tube body
End socket can be in partial insertion fluid hole upper shed, it is ensured that sealing effectiveness.
In the present embodiment, the centrifugation tube body is indicated provided with volume markings, is easy to control reagent dosage.
What the utility model was provided divides liquid centrifuge tube to use plastic material, and volume capacity 10-50mL centrifuges tube body
Profile and size and conventional turbula shaker and the size Corresponding matching of centrifuge.
It is preferred that the centrifugation tube body is transparent plastics material.
In one preferred embodiment, tube body 1 is centrifuged for transparent plastics material, body external diameter 15-50mm suitable for reading,
Tube length is 50-150mm, and centrifuge tube body lower part is conical region, and being fabricated in the middle of heavy wall, bottom has a fluid hole,
The a diameter of 1mm of upper shed of fluid hole taper hole, fluid hole bottom is diameter 5mm, and height 5mm band internal thread cylindrical hole goes out
The taper hole of fluid apertures upper shed and the seal head of seal bar are propped up under the formation sealing of taper hole edge, fluid hole by the side of seal head
The band internal thread cylindrical hole in portion is connected with the thread seal of bottom seal plug 4.Bottom seal plug 4 is plastic material, cylinder total height
For 7mm, two parts above and below point, top is arranged with external screw thread, threaded portion height of column 5mm, diameter 5mm, with fluid hole bottom
Band internal thread cylindrical hole adaptation, lower part, without screw thread, is highly 2mm, a diameter of 7mm, bottom seal plug 4 and fluid hole 3
The band internal thread cylindrical hole of bottom coordinates, can closed fluid hole under shed after screwing on.
Pipe cap 2 is plastic material, and the upper lid internal diameter of pipe cap is 15-50mm, the body external diameter suitable for reading with extracting tube body
Match somebody with somebody.The outer wall that pipe cap inwall is provided with internal thread, the upper end open of centrifugation tube body 1 is provided with the internal thread matching with pipe cap inwall
The external screw thread of conjunction, both are threaded connection, and cooperation forms sealing after screwing；Pipe cap 2 is connected with a length slightly longer than centrifuge tube
The seal bar of body interior depth capacity, seal bar bottom is the seal head of reverse frustoconic, and the bottom surface external diameter of seal head is
0.5mm, less than taper hole internal diameter, seal head top surface is identical with the external diameter of seal bar, is 1.2mm, more than taper hole external diameter, therefore seals
The side of head props up taper hole edge, the upper shed taper hole of salable centrifuge tube body bottom portion fluid hole.
It is of the present utility model to divide liquid centrifuge tube when in use, bottom end seal plug is inserted under the fluid hole for centrifuging tube body
In opening, be tightly connected by screw thread rotation, sample to be extracted and extractant then added into centrifugation tube body, by pipe cap with
Centrifugation tube body is screwed, and is connected by thread seal, the hollow cavity for the seal bar insertion centrifugation tube body being now connected with pipe cap
Body, in the case where pipe cap is screwed, seal bar drops to depth capacity, the side that seal head passes through seal head with fluid hole upper shed
Face props up the edge formation sealing of fluid hole upper shed, and then of short duration violent vibration, now enters if necessary, pipe cap can be unscrewed
Row is deflated.Pipe cap is screwed, centrifuge tube is put into the oscillation extraction that turbula shaker carries out certain time, after vibration terminates, is put into
Centrifuge is centrifuged, then stratification, is removed the bottom seal plug of the fluid hole under shed of centrifugation tube body, is now gone out liquid
Hole under shed is opened, and the seal head at fluid hole upper shed still functions as the effect of sealing fluid hole.Then pipe cap is unscrewed, is sealed
Head is raised above under the drive for the seal bar being connected with pipe cap, and fluid hole upper shed is opened, while pipe cap, which is unscrewed, causes air
Into hollow cavity, inside and outside air pressure balance, lower floor's liquid flows out from fluid hole, carries out a point liquid operation.Pipe can be screwed by unscrewing
Cap controls the open and-shut mode of seal head and fluid hole upper shed, and then controls liquid outflow or halted state and the flow big
It is small.
Embodiment 2
Can divide a kind of embodiment of liquid centrifuge tube as shown in Figure 4,5, the difference with embodiment 1 is, fluid hole it is upper
Opening is equal with the internal diameter of under shed, and the internal diameter of fluid hole upper shed is larger, therefore the size of seal head 6 is also larger, such as Fig. 4 institutes
Show, the seal head 6 is reverse frustoconic, bottom surface 6-1 external diameter is less than the internal diameter of fluid hole upper shed, the top surface 6-2 of seal head
External diameter is more than the internal diameter of fluid hole upper shed, and the bottom of seal head may be inserted into fluid hole upper shed, the side 6-3 of seal head
It is in close contact and offsets with the edge of fluid hole upper shed, blocks fluid hole upper shed.
Seal head and the external diameter of seal bar also no specific magnitude relationship, but because seal bar inserts the cavity of centrifuge tube
In, directly contacted with reagent, in order to avoid influence oscillation extraction and centrifugally operated, the external diameter of seal bar should be as far as possible smaller,
In the present embodiment, because the size of seal head is larger, therefore as shown in Figure 4,5, the external diameter of seal bar is less than the external diameter of seal head,
Form arrowhead form.
Seal bar can also by the following method be completely eliminated to the influence for extracting and centrifuging, that is, is adding sample to be extracted
After product and extractant, first using commonly set female centrifuge tube pipe cap with centrifugation tube body seal, carry out vortex oscillation,
The operation such as centrifugation, after centrifugation, common pipe cap is removed, and covers the pipe cap and screwing hermetic of the application, seal bar insertion centrifuge tube
The hollow cavity of body, seal bar drops to depth capacity, and seal head is propped up with fluid hole upper shed by the side of seal head
The edge formation sealing of fluid hole upper shed, then stratification carries out subsequently point liquid operation the step of according still further to embodiment 1.
Embodiment 3
It can divide a kind of embodiment of liquid centrifuge tube as shown in Figure 6,7, the difference with embodiment 1,2 is, embodiment 1,2
Contact of the fluid hole upper shed with seal head be contact of the line with face, fluid hole upper shed is propped up by the side of seal head
Edge formation sealing.
In one preferred embodiment, as shown in Figure 6,7, the shape of the seal head 6 and fluid hole upper shed 3-2
Shape be engaged, seal head is reverse frustoconic, and fluid hole upper shed 3-2 is similarly reverse frustoconic, the bottom external diameter of seal head
Equal to the minimum diameter of fluid hole upper shed, the external diameter of seal head then gradually increases under, and the top external diameter of seal head is big
In the maximum inner diameter of fluid hole upper shed, the bottom of seal head may be inserted into fluid hole upper shed, the side 6-3 of seal head with
The medial surface of fluid hole upper shed, which is fitted close to compress, forms sealing.Now seal head is contacted with fluid hole upper shed for face, is connect
Contacting surface product is bigger, and sealing effectiveness is more preferably.Seal head is preferably interference fit with passage upper shed.
Embodiment 4
A kind of embodiment of liquid centrifuge tube can be divided as shown in Figure 8.The bottom radius of seal head 6 is less than fluid hole upper shed
Internal diameter, top external diameter is more than fluid hole upper shed internal diameter, and in the bottom insertion fluid hole upper shed of seal head 6, seal head 6 exposes
The part of fluid hole upper shed is engaged with centrifuging the bottom shape of tube body 1, and seal head 6 is inverted conical shape, centrifugation tube body 1
Bottom shape is similarly inverted conical shape, and the matching of both sizes, the side 6-4 of seal head and the inside bottom surface for centrifuging tube body 1 are close
Coordinate to compress and form sealing.
Claims (10)
1. one kind can divide liquid centrifuge tube, it is characterised in that described to divide liquid centrifuge tube to include centrifugation tube body and pipe cap, it is described from
Heart tube body is the hollow cavity of upper end open, and the bottom of the centrifugation tube body is provided with fluid hole, under the fluid hole includes
Opening and upper shed, the lower end of the fluid hole are provided with the bottom seal plug of the salable fluid hole under shed；The bottom
Sealing-plug is removably to be tightly connected with the fluid hole for centrifuging tube body；The pipe cap and centrifuge tube body upper end open be
Thread seal is connected, and the pipe cap is connected with the seal bar inside the hollow cavity of an insertion centrifugation tube body, the seal bar
Upper end be connected with pipe cap body, lower end be provided be used for seal the fluid hole upper shed seal head.
2. liquid centrifuge tube can be divided as claimed in claim 1, it is characterised in that seal head is fitted close with fluid hole upper shed, shape
Into sealing.
3. liquid centrifuge tube can be divided as claimed in claim 2, it is characterised in that opened on the bottom insertion fluid hole of the seal head
Mouthful, the lateral surface compressing of seal head props up the formation sealing of fluid hole upper shed edge；Or in the shape and fluid hole of the seal head
The shape of opening is engaged, and the side of seal head and the medial surface of fluid hole upper shed are in close contact to form sealing；Or it is described close
The part that end socket exposes fluid hole upper shed is engaged with centrifuging the bottom shape of tube body, side and the centrifuge tube sheet of seal head
The inside bottom surface of body is in close contact to form sealing.
4. liquid centrifuge tube can be divided as claimed in claim 1, it is characterised in that the seal bar is connected with pipe cap body to be vertical.
5. liquid centrifuge tube can be divided as claimed in claim 1, it is characterised in that the upper end open of the pipe cap and centrifugation tube body
Connected for thread seal, when pipe cap screwing hermetic centrifuges tube body, seal bar drops to depth capacity, and now seal head is with going out
Fluid apertures upper shed is fitted close, and seals fluid hole upper shed, when the pipe cap unscrews drive seal bar rising, seal head rises,
Open fluid hole upper shed.
6. liquid centrifuge tube can be divided as claimed in claim 1, it is characterised in that the bottom seal plug goes out with centrifugation tube body
Fluid apertures connects for thread seal.
7. liquid centrifuge tube can be divided as claimed in claim 6, it is characterised in that the bottom seal plug is that outer wall is provided with external screw thread
Plug screw, the fluid hole inwall is provided with the internal thread that is engaged with the external screw thread of bottom seal plug, and the bottom seal plug is inserted
Enter in fluid hole under shed, be connected with the fluid hole thread seal for centrifuging tube body.
8. liquid centrifuge tube can be divided as claimed in claim 1, it is characterised in that the upper end open of the pipe cap and centrifugation tube body
Connected for thread seal, the pipe cap inwall is provided with internal thread, the outer wall at the upper end open of the centrifugation tube body be provided with
In the external screw thread that the internal thread of pipe cap inwall is engaged, the upper end open insertion pipe cap of the centrifugation tube body, with the pipe cap
Thread seal is connected.
9. liquid centrifuge tube can be divided as claimed in claim 1, it is characterised in that the centrifugation tube body is indicated provided with volume markings.
10. liquid centrifuge tube can be divided as claimed in claim 1, it is characterised in that described to divide liquid centrifuge tube to use plastic material,
Centrifuge the profile and size and the size Corresponding matching of conventional turbula shaker and centrifuge of tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034110.9U CN206577777U (en) | 2017-01-12 | 2017-01-12 | One kind can divide liquid centrifuge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034110.9U CN206577777U (en) | 2017-01-12 | 2017-01-12 | One kind can divide liquid centrifuge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206577777U true CN206577777U (en) | 2017-10-24 |
Family
ID=60110194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720034110.9U Active CN206577777U (en) | 2017-01-12 | 2017-01-12 | One kind can divide liquid centrifuge tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206577777U (en) |
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2017
- 2017-01-12 CN CN201720034110.9U patent/CN206577777U/en active Active
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