CN217473577U - Ultrafiltration centrifuge tube - Google Patents
Ultrafiltration centrifuge tube Download PDFInfo
- Publication number
- CN217473577U CN217473577U CN202221522600.0U CN202221522600U CN217473577U CN 217473577 U CN217473577 U CN 217473577U CN 202221522600 U CN202221522600 U CN 202221522600U CN 217473577 U CN217473577 U CN 217473577U
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- CN
- China
- Prior art keywords
- inner tube
- milipore filter
- responsible
- ultrafiltration
- collet
- 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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- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 53
- 238000010030 laminating Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 239000012528 membrane Substances 0.000 claims description 32
- 239000004033 plastic Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 2
- 239000012488 sample solution Substances 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 7
- 230000004907 flux Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000004429 Calibre Substances 0.000 abstract description 2
- 238000005119 centrifugation Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010069568 Ultrafiltration failure Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000007853 buffer solution Substances 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000012472 biological sample Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- -1 support plate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides an ultrafiltration centrifuging tube, includes the person in charge, is responsible for and is open-top bottom enclosed construction, and the person in charge's opening part installs the top cap, installs the inner tube in the person in charge, link up from top to bottom the inner tube, and the laminating of inner tube bottom surface has the milipore filter, and the milipore filter is with inner tube bottom surface cladding, and the laminating of milipore filter bottom surface has the backup pad, and the milipore filter is located between inner tube bottom surface and the backup pad, and the collet is installed to the inner tube bottom, and inner tube cooperation collet compresses tightly milipore filter, backup pad, inner tube, milipore filter, backup pad, collet and the person in charge in the appearance chamber space intercommunication below lieing in the collet. The utility model discloses in, effectively with sample solution and filtrating through centrifugation and ultrafiltration separation, separation purity is high. This product is because the milipore filter is perpendicular and body, and the opposite side of milipore filter is the supporting network, and the supporting network is equipped with a large amount of meshs, and the opposite side of supporting network directly is the liquid outlet, the very big efficient increase of liquid outlet of heavy-calibre filtrating flux to it is convenient to dismantle, and the milipore filter is liable to change, and other parts are easily washd, repeatedly usable, economic environmental protection.
Description
Technical Field
The utility model belongs to the technical field of the centrifuging tube technique and specifically relates to an ultrafiltration centrifuging tube.
Background
Ultrafiltration is a membrane separation technology widely applied to concentration, desalination and buffer solution replacement of biological samples, and the principle is that under the action of force, large molecular weight particles are intercepted through the sieve filtration of the pore diameter of an ultrafiltration membrane, and water, a solvent and a low molecular weight solute are allowed to permeate through the membrane, so that the purposes of concentration, desalination and buffer solution replacement are achieved.
The invention discloses an ultrafiltration centrifuge tube with the application number of 201010106329.8, which comprises an outer tube, wherein a tube cover is screwed at the opening of the outer tube, a concentration tube is arranged in the outer tube, the concentration tube comprises a tube body, filter plates are arranged on two sides of the lower end of the tube body, an ultrafiltration membrane is arranged on the inner side of each filter plate, and a plurality of small holes are formed in the lower end of each filter plate. The lower end of the concentration tube is a trapezoid tube, a sample solution flows into the cavity of the outer tube through the small holes after being filtered by the ultrafiltration membranes on the two sides, the flux is greatly limited, the filter plates on the two sides are basically fixed by glue, and the sample solution is not ideal in cost and service life as a disposable consumption product.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide an ultrafiltration centrifuging tube, effectively with sample solution and filtrating through centrifugation and ultrafiltration separation, separation purity is high. Because the laminating of milipore filter is in the backup pad upper end to there are a large amount of meshs in the backup pad, the mesh of heavy-calibre greatly increases filtrating flux, and this product is dismantled conveniently, and the milipore filter is liable to change, and other parts are easily washd, repeatedly usable, economic environmental protection.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides an ultrafiltration centrifuging tube, is including being responsible for, is responsible for open-top bottom enclosed construction, and the main pipe opening part is installed the top cap, installs the inner tube in the main pipe, link up from top to bottom the inner tube, and the laminating of inner tube bottom surface has the milipore filter, and the milipore filter is with inner tube bottom surface cladding, and the laminating of milipore filter bottom surface has the backup pad, and the milipore filter is located between inner tube bottom surface and the backup pad, and the collet is installed to the inner tube bottom, and inner tube cooperation collet compresses tightly milipore filter, backup pad, inner tube, milipore filter, backup pad, collet and the appearance chamber space intercommunication that is located below the collet in being responsible for.
The upper end of the inner pipe is provided with a boss extending outwards, and the bottom surface of the boss is attached to the top surface of the main pipe.
Be responsible for the upper end periphery wall and be equipped with the external screw thread, top cap internal perisporium is equipped with the internal thread, the external screw thread of being responsible for with the interior screw-thread fit of top cap will be responsible for and the top cap is connected, top cap terminal surface inner wall with be responsible for the up end cooperation and compress tightly the boss with fixed inner tube.
The supporting plate is provided with a first through hole, the first through hole is provided with a supporting net, the supporting net is provided with meshes, and the aperture of each mesh is larger than that of the ultrafiltration membrane.
The collet includes ring portion, and ring portion internal perisporium is equipped with the internal thread, and inner tube bottom periphery wall is equipped with the external screw thread, and the collet passes through the internal thread of ring portion and the external screw thread connection of inner tube and installs in the inner tube bottom.
Be responsible for the internal perisporium and be clearance fit with ring portion periphery wall.
The collet still includes the chassis perpendicular with ring portion, and the outward flange axial extension on chassis forms ring portion, and the chassis compresses tightly milipore filter and backup pad in the inner tube bottom surface.
The base plate is provided with a second through hole, the supporting plate is provided with a first through hole, the first through hole is provided with a supporting net, the supporting net is provided with meshes, and the inner pipe, the ultrafiltration membrane, the meshes and the second through hole are communicated with a cavity space below the base plate in the main pipe.
The bottom of the main pipe is a conical closed structure.
The supporting plate is made of rubber, and the top cover is made of plastic.
The utility model has the advantages that: the ultrafiltration membrane is vertical to the inner tube, the other side of the ultrafiltration membrane is provided with a support net, the support net is provided with a large number of meshes, and the vertical channel and the meshes with large calibers greatly increase the flow rate of filtrate; the top cover is made of plastic, so that the top sealing is facilitated, and the sample solution is prevented from flowing into the main pipe without ultrafiltration; the support plate is made of rubber, so that the ultrafiltration membrane is fixed and sealed, and the ultrafiltration membrane is prevented from being displaced in the using process to cause ultrafiltration failure; including collet and inner tube screw-thread fit compress tightly milipore filter and backup pad, it is convenient to dismantle, is favorable to changing the milipore filter and washs the backup pad, and the rate of part reuse is high, economic environmental protection.
Drawings
FIG. 1 is a cross-sectional view of an embodiment;
FIG. 2 is an exploded view of the inner tube, ultrafiltration membrane, support plate, and base support in the example;
FIG. 3 is a sectional view of the inner tube in the embodiment;
FIG. 4 is a cross-sectional exploded view of the ultrafiltration membrane, the support plate and the base support in the embodiment;
fig. 5 is an enlarged view of a point a in fig. 1.
In the figure: the device comprises a main pipe 1, a top cover 2, an inner pipe 3, a boss 31, an ultrafiltration membrane 4, a support plate 5, a support net 51, meshes 52, a first through hole 53, a bottom support 6, a second through hole 61, a ring part 62 and a base plate 63.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-5, an ultrafiltration centrifuging tube, including being responsible for 1, be responsible for 1 and be open-top bottom toper enclosed construction, be responsible for 1 opening part and install top cap 2, top cap 2 structure is responsible for 1 top and is matched, be responsible for 1 upper end periphery wall and be equipped with the external screw thread, 2 internal perisporium on the top cap are equipped with the internal thread, the external screw thread of being responsible for 1 and the interior screw-thread fit of top cap 2 will be responsible for 1 and top cap 2 and be connected, the vertical degree of depth of the screw thread of the external screw thread of being responsible for 1 is greater than the vertical degree of depth of the internal screw thread of degree top cap 2, the internal thread of top cap 2 can be twisted to the end completely.
As shown in fig. 1 and 3, an inner tube 3 is installed in a main tube 1, the inner tube 3 is vertically through, the inner tube 3 penetrates through an upper end opening of the main tube 1 from bottom to top and enters the main tube 1, an outwardly extending boss 31 is arranged at the upper end of the inner tube 3, the bottom surface of the boss 31 is attached to the top surface of the main tube 1, the inner wall of the end surface of a top cover 2 is matched with the upper end surface of the main tube 1 to press the boss 31 to fix the inner tube 3, the top cover 2 is made of plastic, after the boss 31 is pressed, the upper end of the inner tube 3 is sealed with the inner wall of the end surface of the top cover 2 by the boss 31, and a sample is prevented from flowing into the main tube 1 from the upper end of the inner tube in the centrifugal process.
As shown in fig. 5, an ultrafiltration membrane 4 is attached to the bottom surface of the inner tube 3, the ultrafiltration membrane 4 coats the bottom surface of the inner tube 3, and the sample solution in the inner tube 3 can pass through the ultrafiltration membrane 4 from top to bottom under the action of a centrifuge, so that sample separation is realized and the required filtrate is obtained.
As shown in fig. 5, a support plate 5 is attached to the bottom surface of the ultrafiltration membrane 4, the ultrafiltration membrane 4 is located between the bottom surface of the inner tube 3 and the support plate 5, the ultrafiltration membrane 4 is supported by the upper end surface of the support plate 5, a first through hole 53 is formed in the support plate 5, a support net 51 is installed on the first through hole 53, the support net 51 is provided with meshes 52, the aperture of each mesh 52 is larger than that of the ultrafiltration membrane 4, the ultrafiltration membrane 4 is perpendicular to the inner tube 3, and the vertical channel and the large-caliber meshes 52 greatly increase the filtrate flux.
As shown in fig. 1 and 5, a bottom support 6 is installed at the bottom of the inner tube 3, the inner tube 3 is matched with the bottom support 6 to compress the ultrafiltration membrane 4 and the support plate 5, the support plate 5 is made of rubber, sealing can be achieved after compression, ultrafiltration failure caused by displacement of the ultrafiltration membrane 4 due to looseness can be prevented, and the inner tube 3, the ultrafiltration membrane 4, the support plate 5, the bottom support 6 and the main tube 1 are communicated with a cavity space below the bottom support 6.
As shown in fig. 1 and 5, the bottom support 6 comprises a ring part 62, the inner peripheral wall of the ring part 62 is provided with an internal thread, the outer peripheral wall of the bottom of the inner tube 3 is provided with an external thread, the bottom support 6 is connected with the external thread of the inner tube 3 through the internal thread of the ring part 62 and is arranged at the bottom of the inner tube 3, the thread longitudinal depth of the internal thread of the ring part 62 is smaller than that of the external thread of the inner tube 3, and the internal thread of the ring part 62 can be completely screwed to the bottom.
As shown in fig. 1 and 5, the bottom support 6 further comprises a bottom plate 63 perpendicular to the ring part 62, the outer edge of the bottom plate 63 extends axially to form the ring part 62, and the bottom plate 63 presses the ultrafiltration membrane 4 and the support plate 5 against the bottom surface of the inner tube 3.
As shown in fig. 1 and 5, a second through hole 61 is formed in a bottom plate 63, a first through hole 53 is formed in a support plate 5, a support net 51 is installed in the first through hole 53, a mesh 52 is formed in the support net 51, the inner tube 3, the ultrafiltration membrane 4, the mesh 52 and the second through hole 61 are communicated with a cavity space below the bottom plate 63 in the main tube 1, and a sample solution in the inner tube 3 is ultrafiltered by the ultrafiltration membrane 4, then passes through the mesh 52 and the second through hole 61 and enters the bottom of the main tube 1 to realize ultrafiltration separation.
As shown in figure 1, the inner peripheral wall of the main pipe 1 is in clearance fit with the outer peripheral wall of the ring part 62, and the inner pipe 3, the ultrafiltration membrane 4, the support plate 5 and the bottom support 6 can be put into the main pipe 1 together along the inner peripheral wall of the main pipe 1 after being assembled.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides an ultrafiltration centrifuging tube, is including being responsible for (1), be responsible for (1) and be open-top bottom enclosed construction, be responsible for (1) opening part and install top cap (2), its characterized in that: install inner tube (3) in being responsible for (1), inner tube (3) link up from top to bottom, inner tube (3) bottom surface laminating has milipore filter (4), milipore filter (4) will inner tube (3) bottom surface cladding, the laminating of milipore filter (4) bottom surface has backup pad (5), milipore filter (4) are located between inner tube (3) bottom surface and backup pad (5), collet (6) are installed to inner tube (3) bottom, inner tube (3) cooperation collet (6) will milipore filter (4), backup pad (5) compress tightly, inner tube (3), milipore filter (4), backup pad (5), collet (6) with be responsible for (1) in be located appearance chamber space intercommunication below collet (6).
2. An ultrafiltration centrifuge tube according to claim 1, wherein: the inner tube (3) upper end is equipped with outside extension boss (31), boss (31) bottom surface with be responsible for (1) top surface laminating.
3. An ultrafiltration centrifuge tube according to claim 2, wherein: be responsible for (1) upper end periphery wall and be equipped with the external screw thread, top cap (2) internal perisporium is equipped with the internal thread, be responsible for the external screw thread of (1) with the interior screw-thread fit of top cap (2) will be responsible for (1) with top cap (2) are connected, top cap (2) terminal surface inner wall with be responsible for (1) up end cooperation and compress tightly boss (31) are with fixed inner tube (3).
4. An ultrafiltration centrifuge tube according to claim 1, wherein: the utility model discloses a solar energy filter, including backup pad (5), supporting plate (51), mesh (52) aperture are greater than ultrafiltration membrane (4) aperture, support plate (5) are equipped with through-hole (53), supporting plate (51) are installed in through-hole (53), supporting plate (51) are equipped with mesh (52), mesh (52) aperture is greater than ultrafiltration membrane (4) aperture.
5. An ultrafiltration centrifuge tube according to claim 1, wherein: collet (6) includes ring portion (62), ring portion (62) internal perisporium is equipped with the internal thread, inner tube (3) bottom periphery wall is equipped with the external screw thread, collet (6) pass through the internal thread of ring portion (62) and the external screw thread connection of inner tube (3) and install in inner tube (3) bottom.
6. An ultrafiltration centrifuge tube according to claim 5 wherein: be responsible for (1) internal perisporium with ring portion (62) periphery wall is clearance fit.
7. An ultrafiltration centrifuge tube according to claim 5 wherein: the bottom support (6) further comprises a bottom plate (63) perpendicular to the ring portion (62), the outer edge of the bottom plate (63) extends axially to form the ring portion (62), and the ultrafiltration membrane (4) and the support plate (5) are pressed on the bottom surface of the inner tube (3) through the bottom plate (63).
8. An ultrafiltration centrifuge tube according to claim 7, wherein: chassis (63) are equipped with through-hole two (61), backup pad (5) are equipped with through-hole one (53), supporting network (51) are installed in through-hole one (53), supporting network (51) are equipped with mesh (52), inner tube (3), milipore filter (4), mesh (52), through-hole two (61) with be located in being responsible for (1) appearance chamber space intercommunication below chassis (63).
9. An ultrafiltration centrifuge tube according to claim 1, wherein: the bottom of the main pipe (1) is of a conical closed structure.
10. An ultrafiltration centrifuge tube according to claim 1 wherein: the material of the supporting plate (5) is rubber, and the material of the top cover (2) is plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221522600.0U CN217473577U (en) | 2022-06-17 | 2022-06-17 | Ultrafiltration centrifuge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221522600.0U CN217473577U (en) | 2022-06-17 | 2022-06-17 | Ultrafiltration centrifuge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217473577U true CN217473577U (en) | 2022-09-23 |
Family
ID=83315349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221522600.0U Active CN217473577U (en) | 2022-06-17 | 2022-06-17 | Ultrafiltration centrifuge tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217473577U (en) |
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2022
- 2022-06-17 CN CN202221522600.0U patent/CN217473577U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240315 Address after: Room 505, 5th Floor, Building 5, Dongsheng Huigu, No. 1299 Kehai Avenue, Anchang Street, Keqiao District, Shaoxing City, Zhejiang Province, 312030 Patentee after: Shaoxing Shengjie Biotechnology Co.,Ltd. Country or region after: China Address before: South of 4th Floor, Building 1, International Village, Anchang Street, Keqiao District, Shaoxing City, Zhejiang Province, 312000 Patentee before: SHAOXING BAILISHENG NEW MATERIAL TECHNOLOGY Co.,Ltd. Country or region before: China |