CN102247729A - Water purifier convenient to carry and use - Google Patents
Water purifier convenient to carry and use Download PDFInfo
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- CN102247729A CN102247729A CN201010191934XA CN201010191934A CN102247729A CN 102247729 A CN102247729 A CN 102247729A CN 201010191934X A CN201010191934X A CN 201010191934XA CN 201010191934 A CN201010191934 A CN 201010191934A CN 102247729 A CN102247729 A CN 102247729A
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- water
- fixed muffle
- movable sleeve
- perisporium
- water purifier
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Abstract
The invention discloses a water purifier convenient to carry and use. The water purifier comprises a water storage base, a fixed sleeve, a water producing pipe, a filter unit, at least one movable sleeve, a top cap and an exhaust unit, wherein the fixed sleeve is arranged on the water storage base and comprises a bottom wall, a first peripheral wall and a through hole; the first peripheral wall defines a first axial hole around the axis; the water producing pipe is axially arranged on the through hole of the fixed sleeve; the movable sleeve is sleeved on the fixed sleeve and can slip between a first position which is away from the water storage base and a second position which is closed to the water storage base along the axis; the movable sleeve comprises a second peripheral wall and a second axial hole, and when the movable sleeve is positioned the first position, the first axial hole is communicated with the second axial hole to define a water accommodating space; the top cap is hermetically arranged at the top end of the movable sleeve and comprises a water inlet hole and a vent hole, and external raw water is guided into the water accommodating space from the water inlet hole; and the exhaust unit is connected between the water producing pipe and the vent hole. In the water purifier, clean water can be filtered out without connecting electric power.
Description
Technical field
The present invention relates to a kind of water purifier, and particularly relevant for a kind ofly need not electric power, conveniently fold, and can accelerate the water purifier that is convenient for carrying use of water speed.
Background technology
The kind of purifier in the market is too numerous to enumerate, yet these purifiers all have a common denominator, promptly necessary external electric power, utilize the pumping principle of motor, unboiled water earlier through the first road PP filter cotton, is removed mud such as impurity thicker in the water such as iron, sandstone, microorganism, gluey attitude thing.Through the second road grain active carbon, this compressing grains shape activated carbon cartridge has high absorption characteristic, and adsorption area is especially big again, the abundant chemical residue in the adsorbed water, but and deodorizing, remove heterochromatic, bleaching agent chlorine, agricultural chemicals and carcinogen chloroform.Through the 3rd road PP filter cotton, repeat to filter with the cotton secondary of handling of the PP in 1micron aperture again, thoroughly that RO is required pre-process is filtered and is finished, and impurity thicker in the water can be removed as mud such as iron, sandstone, microorganism, jellies.Again through the 4th road RO reverse osmosis membrane, aperture with micron order (μ m), with the reverse osmosis principle, the material that contained impure impurity such as pyrogen, filterable virus, bacterium, toxin compound heavy metal arsenic, cobalt, cadmium, mercury etc. in the water are detrimental to health filters, and impurity and pure water are separated.At last, through the rearmounted activated carbon in the 5th road, absorption makes the drinking water glycol sweet by the remaining minimum organic matter of RO system (reverse osmosis) again.
To sum up, existing purifier no doubt possesses good purifying water effect is arranged, and establishes the characteristic that electric power could use but must connect, can only apply to general family, for the backward remote districts of high mountain, in the situation of unregulated power, and can't enjoy clean filtered water, thereby there is this kind shortcoming.
In addition, general purifier is through being assembled into user mode, and build is fixing, therefore, moves if desired and uses, and then is unfavorable for moving greatly because of volume.
Summary of the invention
Main purpose of the present invention is to provide a kind of water purifier that is convenient for carrying use, and it need not to connect and draws electric power and can filter out clean water, thereby solves the problem that existing purifier must electrification.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of water purifier that is convenient for carrying use comprises a water storage pedestal, a fixed muffle, a water producing pipe, a filter element, at least one movable sleeve, a top cover and an exhaust unit; The water storage pedestal has an opening port, an apopore, and room in; Fixed muffle is arranged on the water storage pedestal, and this fixed muffle includes a diapire, from this diapire week first perisporium of stretching of epitaxial lateral overgrowth, and a through hole of being located at diapire central authorities, and described first perisporium is around an axis and define one first axis hole; Water producing pipe includes a tube wall and a plurality of open-work, and the tube wall of this water producing pipe is to be located on the through hole of fixed muffle; Filter element comprises the stacking filter bag of a plurality of watertights, and each filter bag has a discharge outlet that is connected with aforementioned open-work respectively; The movable sleeve jacket casing is located on the outer peripheral face of fixed muffle, and along aforementioned central axial line from being away from a primary importance of water storage pedestal, and be close to slippage between the second place of water storage pedestal; This movable sleeve includes one second perisporium, and is centered on one second axis hole that defines by this second perisporium, and when movable sleeve was positioned at primary importance, first and second axis hole was connected and defines the open water space capacity in a top, for ccontaining unboiled water; Top seal is installed in the top of movable sleeve, and this top cover includes an inlet opening and a steam vent, and outside unboiled water is to import water space capacity from the inlet opening of top cover; Exhaust unit is connected between the steam vent of top of water producing pipe and top cover.
The said fixing sleeve also comprises one and is positioned at an inside bottom wall and a protruding joint chair for axis hole, and the tube wall of water producing pipe is inserted on the protruding joint chair of fixed muffle, and is connected with the interior room of water storage pedestal.
Above-mentioned first perisporium has a socket end and a block end of opposing setting, and this first perisporium has more a ring groove that is formed at an outer peripheral face of block end, and this ring groove is for a sheathed sealing ring.
Above-mentioned water purifier also includes a pre-filtration units, and this pre-filtration units is installed in the fixed muffle and is positioned at the filter element top.
Above-mentioned pre-filtration units has a box body that removably is set in the water producing pipe top, and a filter material that is installed in this box body, handles in order to make soft water.
Above-mentioned exhaust unit is made of the straight length that most mutual pipes connect, and in order to make pump-down process, makes the smooth output drainage of water producing pipe.
Above-mentioned water purifier also comprises a check valve and a disk body, this disk body is the top that is installed in this water storage pedestal, and central authorities convex with one and connect pipe, this check valve is to be installed in the protruding joint chair of this fixed muffle, when connecting after pipe runs through the through hole of this fixed muffle of this disk body, ejection is gone in this check valve again, causes the pipe that connects of this disk body to be connected with this water producing pipe, allow drainage can only inject the water storage pedestal, constitute unidirectional water outlet effect.
The first perisporium outside wall surface top of said fixing sleeve is provided with a block end, and the second perisporium internal face of movable sleeve bottom is provided with an inward flange, fasten for block end, make movable sleeve obtain positioning action respectively in the primary importance and the second place with fixed muffle.
After adopting said structure, because the present invention utilizes movable sleeve to be removably to be assembled in fixed muffle, the time spent can significantly not dwindled overall volume, being convenient for carrying, and is beneficial to out using; And utilize natural gravity earlier to carry out soft water by pre-filtration units and handle, the macromolecule pellicle by the micron pore size of filter bag filters again, need not to connect and draws electric power, portably uses conveniently; And, only need to utilize top cover, the just speed that can accelerate to filter of manually pushing; When not using, the water storage pedestal can be pulled away fixed muffle earlier, when treating to re-use, refill and get final product.In addition, owing to set up check valve at the water producing pipe end, so unboiled water can not infiltrate water producing pipe.
Description of drawings
Fig. 1 is the assembled sectional view that the present invention is convenient for carrying an embodiment of water purifier of use;
Fig. 2 is the three-dimensional exploded view that the present invention is convenient for carrying the water purifier of use;
Fig. 3 is the assembled sectional view that movable sleeve is collapse state among Fig. 1;
Fig. 4 is the partial enlarged drawing of Fig. 1, shows the combination situations between water storage pedestal, disk body, check valve and the water producing pipe;
Fig. 5 is the partial enlarged drawing of filter element and water producing pipe among the present invention;
Fig. 6 is the vertical view of the box body of pre-filtration units among the present invention;
Fig. 7 is the upward view of the box body of pre-filtration units among the present invention.
The specific embodiment
With reference to Fig. 1 and Fig. 2, be an embodiment of the present invention's water purifier of being convenient for carrying use, comprise a water storage pedestal 10, a fixed muffle 20, a water producing pipe 30, a filter element 40, two movable sleeves 50,60, a pre-filtration units 70, a top cover 80, an exhaust unit 90, a check valve 100 and disk bodies 110, introduce respectively below.
Fixed muffle 20 is arranged on the water storage pedestal 10.This fixed muffle 20 includes first perisporium 22 that a diapire 21, is stretched from diapire 21 all epitaxial lateral overgrowths, and a through hole 23 of being located at diapire 21 central authorities.Wherein, first perisporium 22 is around an axis and defines one first axis hole 24.And first perisporium 22 has a socket end 221 and a block end 222 that is oppositely arranged, and this first perisporium 22 has more a ring groove 223 that is formed at the outer peripheral face of block end 222, and this ring groove 223 is sheathed for a sealing ring 224.Fixed muffle 20 is placed in the top outer peripheral edges of water storage pedestal 10, and both are with the internal and external threads locking that is spirally connected mutually.In addition, further, fixed muffle 20 more comprises one and is positioned at diapire 21 an inboard and protruding joint chair 25 for first axis hole 24.
With reference to Fig. 5, but filter element 40 has the stacking filter bag 41, that is sheathed on the water producing pipe 30 of a plurality of watertights is positioned at this filter bag 41 central authorities and the medium pore 42 that is communicated with aforementioned open-work 32, the two watertight ground interlocking group 43,44 with adjacent filter bag 41 mutual crampings, and the two waterproof rings 45 that are interposed in respectively between filter bag 41 and the interlocking group 43,44.Wherein, filter bag 41 includes two films 411 and and is interposed in supporting network 412 between the described film 411.In the present embodiment, aforementioned film 411 is made with PVDF (the poly-second diene of fluoridizing) material, and macromolecule pellicle with 0.1～0.01 micron (μ m) aperture, and two films 411 are that to connect airtight in the welding mode be one in the edge, supporting network 412 is knitted with longitudinal and transverse staggered rib to form, therefore, still can form small slit between the corresponding medial surface of two films 411, for the runner that flows towards medium pore 42 is provided by the water body behind the film 411.In addition, aforementioned filter bag 41 is to be flat cryptomere, and each filter bag 41 has a discharge outlet 413 that is connected with described open-work 32 respectively.
With reference to Fig. 1, movable sleeve 50 is fixedly arranged on the top of fixed muffle 20, and have one second perisporium 51, inward flange 54 and that the outward flange 53, that is positioned at second perisporium, 51 internal faces upper ends by second one second axis hole 52, that defines that perisporium 51 centers on is positioned at second perisporium, 51 internal face lower ends is formed at the ring groove 55 on the outward flange 53, and this ring groove 55 is sheathed for a sealing ring 56.
Another movable sleeve 60 is arranged in the top of aforementioned movable sleeve 50.The inward flange 64 and one that the external thread section 63, that this movable sleeve 60 has one the 3rd perisporium 61, be positioned at the 3rd perisporium 61 internal faces upper ends by the 3rd Triaxial hole 62, that defines that perisporium 61 centers on is positioned at the 3rd perisporium 61 internal face lower ends is formed at the ring groove 65 on the external thread section 63, and this ring groove 65 is sheathed for a sealing ring 66.
Aforesaid movable sleeve 50,60 all can be along central axial line from the primary importance that is away from water storage pedestal 10, and be close to slippage between the second place of this water storage pedestal 10, and when movable sleeve 50,60 is positioned at primary importance, first axis hole 22 and second axis hole 52, Triaxial hole 62 are interconnected, and define an airtight water space capacity 26, for ccontaining unboiled water.
So the present invention utilizes movable sleeve 50,60 to be socketed in fixed muffle 20 outsides, and possesses the characteristics of slip, can in time strengthen and the water space and the hydraulic pressure that increase whole water purifier.
With reference to Fig. 1, Fig. 6 and Fig. 7, box body 71 comprises that a hollow cassette holder 711, with an effluent mesh 7111 is entrenched in hollow cassette holder 711 tops and has the room 713 that the lid 712, of an entry mesh 7121 is made of hollow cassette holder 711 and lid 712, and at least onely is arranged in the room 713 and the dividing plates 714 between hollow cassette holder 711, lid 712.In the present embodiment, be provided with two dividing plates 714 altogether, and these two dividing plates 714 are to be arranged in the box body 71 in the reverse acting spiral mode, make box body 71 inside can be separated out the conduit that is loop shaped, and effluent mesh 7111 and entry mesh 7121 lay respectively on the opposite location of outermost conduit just, to prolong the flow path length of unboiled water.
So, in the time of in unboiled water flows into water space capacity 26, entry mesh 7121 through lid 712 tops flows into room 713, and the conduit in box body 71 successively flows, utilize filter materials 72 such as activated carbon in the room 713 or ion exchange resin, adsorb and filter suspended particulates such as peculiar smell in the former water, chlorine residue, haloform, organic substance bacterium, virus, impurity, but and demineralized water.Then, effluent mesh 7111 by hollow cassette holder 711 bottoms flows in first axis hole 24 of fixed muffle 20 again, after film 411 (see figure 5)s of process filter element 40 filter out impurity again, import again in the perforation 33 of water producing pipe 30, apopore 12 by water storage pedestal 10 disengages at last, and obtains clean water.
Similarly, when user's desire is changed or replenished filter material 72, directly 40 tops, whole box body 71 inherent filtration unit are taken out, open the lid again after 712, can change or additional filter material 72.
In addition, when normal operating condition, air bleeding valve 92 is locking state, and seals steam vent 83, causes first axis hole 24 to present sealing state.When needing exhaust, the direction of arrow of Fig. 1 air bleeding valve 83 of outwarding winding for another example allows original residual air in the water producing pipe 30 dredge via direct section 91 of exhaust unit 90, and then is discharged by the steam vent 83 of top cover 80.After executing the exhaust action, lock air bleeding valve 92 again and get final product.
When water purifier of the present invention is positioned at primary importance, the inward flange 54 of movable sleeve 50 is the block ends 222 that are fastened in fixed muffle 20, and the inward flange 64 of movable sleeve 60 is the outward flanges 53 that are fastened in movable sleeve 50, makes 50,60 stacking tops that stand in fixed muffle 20 of aforementioned movable sleeve.
When the water purifier among the present invention was positioned at the second place, with reference to Fig. 3, the inward flange 54 of movable sleeve 50 was that the block end 222 with fixed muffle 20 is disengaged position, and the inward flange 64 of movable sleeve 60 to be outward flanges 53 with movable sleeve 50 be disengaged position.At this moment, movable sleeve 50,60 is in the position near fixed muffle 20 respectively, and is located on the outside of fixed muffle 20 in regular turn.
Therefore, when the user will filter former water, as long as movable sleeve 50,60 is pulled upwardly and repeatedly organizes in regular turn, can be assembled into one group of easy water purifier fast, and assembling is quite convenient.
On the contrary, if when water purifier does not use, as long as top cover 80 is pushed downwards, can in regular turn movable sleeve 50,60 be fallen,, just movable sleeve 50,60 can be folded to the second place to fold in the outside of fixed muffle 20, whole height is reduced, to make things convenient for carrying of user.
Continuation is with reference to Fig. 1 and Fig. 4, and disk body 110 is installed in the top of water storage pedestal 10, and central authorities convex with one connect the pipe 111.Check valve 100 is to be installed in the protruding joint chair 25 of fixed muffle 20, and when connecting after pipe 111 runs through the through hole 23 of fixed muffle 20 of disk body 110, upwards ejection causes the pipe 111 of connecting of disk body 110 to be connected with water producing pipe 30 to enter in the check valve 100 again.
Via above-mentioned explanation, when carrying out the water filtration processing as shown in Figure 1, when unboiled water pumps into water space capacity 26 by inlet opening 82, and adsorb earlier and filter suspended particulates such as peculiar smell in the unboiled water, chlorine residue, haloform, organic substance bacterium, virus, impurity, and demineralized water through the filter material 72 of pre-filtration units 70.By the macromolecule pellicle of filter element 40 through 0.01 micron (μ m) aperture, filter out clean water again, water purification is collected to through hole 23 by check valve 100 again via the perforation 33 of water producing pipe 30, and by the pure drainage of apopore 12 outputs.
Conclude above-mentionedly, the present invention is convenient for carrying the water purifier of use, has following effect and advantage:
(1) water purifier among the present invention can normally be manipulated need not to connect under the situation of drawing additional power, and is moved owing to movable sleeve 50,60 can contract downwards, makes the water purifier overall volume significantly to dwindle, portably using when helping going out;
(2) and, the driving hydraulic pressure the when user only need utilize malleation to supply water or manually push top cover 80 just can accelerate to filter the speed of former water, quick and convenient more in the use;
(3) moreover, by setting up check valve 100 at water producing pipe 30 ends, make the water liquid can only be when water producing pipe 30 is plugged on the water storage pedestal 10, the ability sieving is to interior room 13, so when water producing pipe 30 after choosing out on the water storage pedestal 10, in also can't flowing into, unboiled water in the water space capacity 26 in the room 13, can guarantee that the water liquid that is disengaged in the water storage pedestal 10 can not infiltrated and pollute by unboiled water;
(4) in addition, when the present invention does not use for a long time, more water storage pedestal 10 can be pulled away fixed muffle 20 earlier, when treating to re-use, refill and get final product, to save the space.
What deserves to be mentioned is that the present invention also can expand the water space of unboiled water by increasing the quantity of movable sleeve, to increase the cleaning water of water purifier except two illustrated movable sleeves 50,60 of present embodiment.
Though the present invention is illustrated with an embodiment; yet it is not in order to limit the present invention; those of ordinary skill in every present technique field; without departing from the spirit and scope of the present invention; can carry out various changes and retouching, so protection scope of the present invention should be as the criterion with the claim that is defined in claims.
Claims (8)
1. a water purifier that is convenient for carrying use is characterized in that: comprise a water storage pedestal, a fixed muffle, a water producing pipe, a filter element, at least one movable sleeve, a top cover and an exhaust unit;
The water storage pedestal has an opening port, an apopore, and room in;
Fixed muffle is arranged on the water storage pedestal, and this fixed muffle includes a diapire, from this diapire week first perisporium of stretching of epitaxial lateral overgrowth, and a through hole of being located at diapire central authorities, and described first perisporium is around an axis and define one first axis hole;
Water producing pipe includes a tube wall and a plurality of open-work, and the tube wall of this water producing pipe is to be located on the through hole of fixed muffle;
Filter element comprises the stacking filter bag of a plurality of watertights, and each filter bag has a discharge outlet that is connected with aforementioned open-work respectively;
The movable sleeve jacket casing is located on the outer peripheral face of fixed muffle, and along aforementioned central axial line from being away from a primary importance of water storage pedestal, and be close to slippage between the second place of water storage pedestal; This movable sleeve includes one second perisporium, and is centered on one second axis hole that defines by this second perisporium, and when movable sleeve was positioned at primary importance, first and second axis hole was connected and defines the open water space capacity in a top, for ccontaining unboiled water;
Top seal is installed in the top of movable sleeve, and this top cover includes an inlet opening and a steam vent, and outside unboiled water is to import water space capacity from the inlet opening of top cover;
Exhaust unit is connected between the steam vent of top of water producing pipe and top cover.
2. the water purifier that is convenient for carrying use as claimed in claim 1, it is characterized in that: described fixed muffle also comprises one and is positioned at an inside bottom wall and a protruding joint chair for axis hole, the tube wall of water producing pipe is inserted on the protruding joint chair of fixed muffle, and is connected with the interior room of water storage pedestal.
3. the water purifier that is convenient for carrying use as claimed in claim 1, it is characterized in that: described first perisporium has a socket end and a block end of opposing setting, and this first perisporium has more a ring groove that is formed at an outer peripheral face of block end, and this ring groove is for a sheathed sealing ring.
4. the water purifier that is convenient for carrying use as claimed in claim 1 is characterized in that: described water purifier also includes a pre-filtration units, and this pre-filtration units is installed in the fixed muffle and is positioned at the filter element top.
5. the water purifier that is convenient for carrying use as claimed in claim 4 is characterized in that: described pre-filtration units has a box body that removably is set in the water producing pipe top, and a filter material that is installed in this box body.
6. the water purifier that is convenient for carrying use as claimed in claim 1 is characterized in that: described exhaust unit is made of the straight length that most mutual pipes connect.
7. the water purifier that is convenient for carrying use as claimed in claim 1, it is characterized in that: described water purifier also comprises a check valve and a disk body, this disk body is the top that is installed in this water storage pedestal, and central authorities convex with one and connect pipe, this check valve is to be installed in the protruding joint chair of this fixed muffle, when connecting after pipe runs through the through hole of this fixed muffle of this disk body, ejection is gone in this check valve again, causes the pipe that connects of this disk body to be connected with this water producing pipe.
8. the water purifier that is convenient for carrying use as claimed in claim 1, it is characterized in that: the first perisporium outside wall surface top of described fixed muffle is provided with a block end, and the second perisporium internal face of movable sleeve bottom is provided with an inward flange, fasten for block end, make movable sleeve obtain positioning action respectively in the primary importance and the second place with fixed muffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010191934 CN102247729B (en) | 2010-05-18 | 2010-05-18 | Water purifier convenient to carry and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010191934 CN102247729B (en) | 2010-05-18 | 2010-05-18 | Water purifier convenient to carry and use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102247729A true CN102247729A (en) | 2011-11-23 |
| CN102247729B CN102247729B (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010191934 Active CN102247729B (en) | 2010-05-18 | 2010-05-18 | Water purifier convenient to carry and use |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864236A (en) * | 2014-04-08 | 2014-06-18 | 孔强光 | Portable sewage purifier |
| CN106315886A (en) * | 2015-06-15 | 2017-01-11 | 新世膜科技股份有限公司 | Conveniently operable water purifier |
| CN109796064A (en) * | 2019-04-10 | 2019-05-24 | 福建金源泉科技发展有限公司 | One kind can pressurize flexible ultrafiltration cup |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228497A1 (en) * | 1986-01-10 | 1987-07-15 | Vladimir Dr. Manojlovic | A process for water purification, and a filter for carrying out the process |
| US4894154A (en) * | 1987-06-19 | 1990-01-16 | Societe De Recherche Techniques Et Industrielles (Srti) | Individual portable water-treatment device |
| CN1868897A (en) * | 2005-05-24 | 2006-11-29 | 郭瑜珊 | Water treatment device capable of raising cleaning action of filtering membrane |
| TW200911350A (en) * | 2007-09-03 | 2009-03-16 | New Century Membrane Co Ltd | Portable water cleaner |
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2010
- 2010-05-18 CN CN 201010191934 patent/CN102247729B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228497A1 (en) * | 1986-01-10 | 1987-07-15 | Vladimir Dr. Manojlovic | A process for water purification, and a filter for carrying out the process |
| US4894154A (en) * | 1987-06-19 | 1990-01-16 | Societe De Recherche Techniques Et Industrielles (Srti) | Individual portable water-treatment device |
| CN1868897A (en) * | 2005-05-24 | 2006-11-29 | 郭瑜珊 | Water treatment device capable of raising cleaning action of filtering membrane |
| TW200911350A (en) * | 2007-09-03 | 2009-03-16 | New Century Membrane Co Ltd | Portable water cleaner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864236A (en) * | 2014-04-08 | 2014-06-18 | 孔强光 | Portable sewage purifier |
| CN106315886A (en) * | 2015-06-15 | 2017-01-11 | 新世膜科技股份有限公司 | Conveniently operable water purifier |
| CN109796064A (en) * | 2019-04-10 | 2019-05-24 | 福建金源泉科技发展有限公司 | One kind can pressurize flexible ultrafiltration cup |
| CN109796064B (en) * | 2019-04-10 | 2022-03-22 | 福建金源泉科技发展有限公司 | Pressurizable telescopic ultrafiltration cup |
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| CN102247729B (en) | 2013-10-30 |
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