CN103212228A - Measuring cup for vacuum filter - Google Patents
Measuring cup for vacuum filter Download PDFInfo
- Publication number
- CN103212228A CN103212228A CN2013101467844A CN201310146784A CN103212228A CN 103212228 A CN103212228 A CN 103212228A CN 2013101467844 A CN2013101467844 A CN 2013101467844A CN 201310146784 A CN201310146784 A CN 201310146784A CN 103212228 A CN103212228 A CN 103212228A
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- measuring cup
- convex tendon
- interval
- water conservancy
- conservancy diversion
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Abstract
The invention discloses a measuring cup for a vacuum filter. The measuring cup is characterized in that the upper part of the measuring cup is open; a plurality of spaced convex ribs which are radially distributed from the center to the outside are arranged at the inner bottom of the measuring cup, and a ring-shaped outer edge is arranged on the peripheries of the spaced convex ribs, so that a plurality of fan-shaped sunk regions are formed at the bottom of the measuring cup; a plurality of diversion convex ribs are arranged on the outer arc sides of the fan-shaped sunk regions; long and short diversion convex ribs are arranged at intervals; an overflow hole and a salient point A are arranged on each central angle side of the fan-shaped sunk regions; the salient point A is arranged on the inner side of the overflow hole; a membrane is hermetically fit with the inner bottom of the measuring cup and covers the ring-shaped outer edge; and ring-shaped bosses protruding downward are arranged at the outer bottom of the measuring cup. The measuring cup increases the effective filtration area of the membrane, improves the filtration efficiency and the membrane utilization rate, and avoids the membrane damage.
Description
Technical field
The present invention relates to a kind of measuring cup that is used for vacuum filter.
Background technology
When carrying out Biochemistry Experiment, to filter mixed solution usually, just need to use a kind of nuclepore membrane filter this moment.Nuclepore membrane filter generally comprises cup and is positioned at the receiving flask of its underpart, between the two every one deck micropore filtering film.Experimental Flowing Object is poured into after the cup, is filtered by micropore filtering film, and fine solid particle wherein and bacterium are promptly isolated, and filter back solution splashes into receiving flask.In order to raise the efficiency, point of attachment between last cup and receiving flask is provided with the connector with aspirating hole, after can being connected to aspirating hole by the vaccum-pumping equipment of peripheral hardware receiving flask is bled, make and form negative pressure in the receiving flask, accelerate the speed of filtrate, so this nuclepore membrane filter is called the vacuum type filter again by micropore filtering film.
Publication number is that the patent documentation of CN2095709U discloses a kind of millipore filter, be mainly used in the monitoring analysis of water quality such as ocean, rivers and lakes, this filter is made up of vacuum cylindrical shell, measuring cup, both support subiculum by measuring cup and are tightly connected, and by inverted binding nut filter membrane, porous plate are pressed in measuring cup and measuring cup and support between the subiculum.Be subjected to structural limitations, the filter membrane area in the above-mentioned filter is smaller, and filter efficiency is low, is not suitable for filtering fast big quantity of fluid.Publication number is that the patent documentation of CN201894879U discloses a kind of disposable nuclepore membrane filter, comprise that opened upper end, bottom are got through and going up cup and being positioned at the receiving flask of its underpart with the miillpore filter sealing, described go up between cup and the receiving flask be provided with have aspirating hole, will go up the connector that cup and receiving flask link up, described receiving flask is a polystyrene component.This patent improves the vacuum-resistant negative pressure intensity of bottle by the material that changes receiving flask, and filtration is not improved the problem that still exist the effective filtration area of filter membrane little, filter efficiency is low.
For this reason, the inventor has designed a kind of disposal vacuum filter, improves filtration, increases the effective filtration area of filter membrane, improves filter efficiency.The present invention relates to measuring cup wherein.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this invention is to provide a kind of measuring cup that is used for vacuum filter, improve filtration, increase the effective filtration area of filter membrane, improve filter efficiency.
To achieve the above object, the present invention has adopted following technical scheme:
A kind of measuring cup that is used for vacuum filter, described measuring cup opened upper end, the inner bottom part of measuring cup is provided with many interval convex tendons that are the outside radial distribution in center, the periphery of convex tendon is an outer circular edge at interval, form a plurality of fan-shaped sunk areas in the measuring cup bottom like this, external arc side at fan-shaped sunk area is provided with a plurality of water conservancy diversion convex tendons, a plurality of water conservancy diversion convex tendon length are provided with at interval, central angle side at fan-shaped sunk area is provided with a flowing hole and a salient point A, salient point A is positioned at the inboard of flowing hole, the filter membrane sealing paste is combined in the inner bottom part of measuring cup and covers outer circular edge, and the outer bottom of measuring cup is provided with the annular boss to lower convexity; Wherein, the height of projection of water conservancy diversion convex tendon, interval convex tendon and outer circular edge is 0.5～1.5mm, and the width of water conservancy diversion convex tendon and interval convex tendon is 1～2mm, and the spacing between adjacent water conservancy diversion convex tendon and the interval convex tendon is not more than 8mm, and the diameter of flowing hole is 3～6mm.
As preferably, each flowing hole of described measuring cup bottom is along same circle distribution, and this circle diameter is greater than the pore aperture of interior pipe portion.
Be stamped loam cake above the described measuring cup.
The present invention improves filtration owing to adopted above technical scheme, has increased the effective filtration area of filter membrane, has improved filter efficiency and filter membrane utilization rate, has avoided the filter membrane breakage.Especially being fit to high capacity filter, is example with the 1000ml capacity, and compared to prior art, filter efficiency improves nearly one times.
Description of drawings
Fig. 1 is the outline drawing (containing receiving flask) of filter of the present invention;
Fig. 2 is structure of filter schematic diagram of the present invention (not containing receiving flask);
Fig. 3 is the vertical view (no filter membrane) of Fig. 2;
Fig. 4 is the structural representation of connector of the present invention;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is the vertical view of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1:
A kind of disposal vacuum filter as shown in Figure 1 comprises measuring cup 1 and is positioned at the receiving flask 3 of its underpart, and the connector 2 that usefulness has an aspirating hole between described measuring cup 1 and the receiving flask 3 is connected.
As Fig. 2, shown in Figure 3, described measuring cup 1 opened upper end, the inner bottom part of measuring cup 1 is provided with many interval convex tendons 12 that are the outside radial distribution in center, the periphery of convex tendon 12 is an outer circular edge 13 at interval, form a plurality of fan-shaped sunk areas 18 in measuring cup 1 bottom like this, external arc side at fan-shaped sunk area 18 is provided with a plurality of water conservancy diversion convex tendons 14,15, a plurality of water conservancy diversion convex tendon 14,15 length are provided with at interval, central angle side at fan-shaped sunk area 18 is provided with a flowing hole 16 and a salient point A17, and salient point A17 is positioned at the inboard of flowing hole 16; Filter membrane 4 sealing pastes are combined in the inner bottom part of measuring cup 1 and cover outer circular edge 13; The outer bottom of measuring cup 1 is provided with the annular boss 11 to lower convexity.Be stamped loam cake (not drawing on the figure) above the measuring cup 1.
As Fig. 4, Fig. 5, shown in Figure 6, described connector 2 comprises the top plate portion 21 of integrated injection molding, interior pipe portion 23 and outer connecting cylinder portion 22; Top plate portion 21 upper surfaces are formed with annular wall 211, and like this in the upper surface formation circular depressed of top plate portion 21, the high all around central authorities in the bottom of this circular depressed are low and be evenly distributed with a plurality of salient point B212, and annular wall 211 seals applying with the annular boss 11 of measuring cup 1; Interior pipe portion 23 is located at the central authorities below the top plate portion 21, thereby top plate portion 21 forms a plurality of strips gap 214 at the pore correspondence position with interior pipe portion 23 by a plurality of support bars 213 of interval moulding, a plurality of flow guide bars 231 that evenly distribute on the outer peripheral face of interior pipe portion 23, flow guide bar 231 extends up and down; Outer connecting cylinder portion 22 is located at below the top plate portion 21 and the outside of interior pipe portion 23, the diameter of its epimere is less than the diameter of hypomere, pass through transition shoulder 221 transition between the two sections, hypomere is connected with receiving flask 3 by screw thread, the path section is provided with the interface 24 of bleeding, bleed the position of interface 24 be higher than in the lower nozzle of pipe portion 23, flow guide bar 231 outsides of pipe portion 23 and fit in annular gasket 5 is enclosed within transition shoulder 221.
In the present embodiment, receiving flask 3 is made for polystyrene material, and receiving flask is designed to the slightly tapered shape that the bottom is bigger, entad cave in the bottle end, is the conical flask of tapering less than 3 degree, receiving flask body middle part indent, and body is provided with scale to central concave at the bottle end.The type of filter membrane can be MCE, nylon, PVDF and PES, and the micropore size scope is 0.1 μ m, 0.22 μ m, 0.45 μ m.
During use, receiving flask 3 is threaded in below the connector 2, the bottleneck of receiving flask 3 pushes against sealing on the transition shoulder 221 of connector 2 with annular gasket 221, the interface 24 of bleeding of connector 2 connects vacuum extractor, put into liquid to be filtered in the last cup 1, liquid enters after filter membrane 4 micro porous filtrations in each fan-shaped sunk area 18, in each water conservancy diversion convex tendon 14,15 water conservancy diversion and the cavity that between the top plate portion 21 of outer bottom that flowing hole 16 flows into measuring cups 1 and connector 2, forms, on top plate portion 21, converge and by in strip gap 214 and the interior pipe portion 23 inflow receiving flasks 3.
The present invention has higher filter membrane utilization rate, increases the membrane filtration area, improves filter efficiency.At interval being provided with of convex tendon, fan-shaped sunk area and water conservancy diversion convex tendon can effectively be supported filter membrane and avoided damaged; As preferably, be provided with salient point A, can play choked flow, shunting action at the tip, the center of circle of sector region like this, make liquid flow into flowing hole smoothly, avoid the breakage of arching upward of filter membrane center; As preferably, the height of projection of water conservancy diversion convex tendon, interval convex tendon and outer circular edge is 0.5～1.5mm, the width of water conservancy diversion convex tendon and interval convex tendon is 1～2mm, spacing between adjacent water conservancy diversion convex tendon and the interval convex tendon is not more than 8mm, the diameter of flowing hole is 3～6mm, and filter membrane is not fragile simultaneously to have preferably filter efficiency like this.The setting that cavity and salient point B and strip gap 214 are set above the top plate portion of connector not only can be played secondary filter and buffering effect, and can improve filter efficiency.As preferably, each flowing hole 16 of described measuring cup 1 bottom is along same circle distribution, and this circle diameter has cake filtration effect preferably like this greater than the pore aperture (being the length in strip gap 214) of interior pipe portion 23.In interior pipe portion periphery flow guide bar 231 and 5 pairs of annular gaskets are set and vacuumize air-flow and carry out water conservancy diversion, reduce its adverse effect, improve filter efficiency filter membrane.
It is emphasized that: above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (3)
1. measuring cup that is used for vacuum filter, it is characterized in that, described measuring cup (1) opened upper end, the inner bottom part of measuring cup (1) is provided with many interval convex tendons (12) that are the outside radial distribution in center, the periphery of convex tendon (12) is outer circular edge (13) at interval, form a plurality of fan-shaped sunk areas (18) in measuring cup (1) bottom like this, external arc side at fan-shaped sunk area (18) is provided with a plurality of water conservancy diversion convex tendons (14,15), a plurality of water conservancy diversion convex tendons (14,15) length is provided with at interval, central angle side at fan-shaped sunk area (18) is provided with a flowing hole (16) and a salient point A(17), salient point A(17) is positioned at the inboard of flowing hole (16), filter membrane (4) sealing paste is combined in the inner bottom part of measuring cup (1) and covers outer circular edge (13), the outer bottom of measuring cup (1) is provided with the annular boss (11) to lower convexity, wherein, described water conservancy diversion convex tendon (14,15), the height of projection of convex tendon (12) and outer circular edge (13) is 0.5～1.5mm at interval, water conservancy diversion convex tendon (14,15) and at interval the width of convex tendon (12) is 1～2mm, adjacent water conservancy diversion convex tendon (14,15) and at interval the spacing between the convex tendon (12) is not more than 8mm, and the diameter of flowing hole (16) is 3～6mm.
2. a kind of measuring cup that is used for vacuum filter according to claim 1 is characterized in that, each flowing hole (16) of described measuring cup (1) bottom is along same circle distribution, and this circle diameter is greater than the pore aperture of interior pipe portion (23).
3. a kind of measuring cup that is used for vacuum filter according to claim 1 is characterized in that described measuring cup is stamped loam cake above (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310146784.4A CN103212228B (en) | 2013-04-24 | 2013-04-24 | Vacuum filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310146784.4A CN103212228B (en) | 2013-04-24 | 2013-04-24 | Vacuum filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103212228A true CN103212228A (en) | 2013-07-24 |
| CN103212228B CN103212228B (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310146784.4A Active CN103212228B (en) | 2013-04-24 | 2013-04-24 | Vacuum filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103212228B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039790A (en) * | 2016-09-12 | 2016-10-26 | 云南锡业锡化学品有限公司 | Annular filtering device for dibutyltin oxide production |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3295686A (en) * | 1965-05-20 | 1967-01-03 | Rockridge Lab | Filter unit |
| US3374897A (en) * | 1966-02-01 | 1968-03-26 | Bunn O Matic Corp | One-piece funnel with integral ribs for holding disposable coffee carrying filter |
| US4123228A (en) * | 1977-03-21 | 1978-10-31 | Plaston Ag, Kunststoffwerke Hans Frei & Sohne | Filters for liquids |
| EP0321064A1 (en) * | 1987-12-10 | 1989-06-21 | Costar Corporation | Bottle filter |
| CN2262451Y (en) * | 1996-12-25 | 1997-09-17 | 北京曼博瑞技术有限责任公司 | High-precision filtering funnel |
| US7661538B1 (en) * | 2001-05-31 | 2010-02-16 | Roush Life Science, LLC | Disposable vacuum filtration funnel with integral prefilter |
| CN101925396A (en) * | 2008-01-21 | 2010-12-22 | 富士胶片株式会社 | Porous filter cartridge |
| CN203196415U (en) * | 2013-04-24 | 2013-09-18 | 浙江硕华医用塑料有限公司 | Measuring cup for vacuum filter |
-
2013
- 2013-04-24 CN CN201310146784.4A patent/CN103212228B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3295686A (en) * | 1965-05-20 | 1967-01-03 | Rockridge Lab | Filter unit |
| US3374897A (en) * | 1966-02-01 | 1968-03-26 | Bunn O Matic Corp | One-piece funnel with integral ribs for holding disposable coffee carrying filter |
| US4123228A (en) * | 1977-03-21 | 1978-10-31 | Plaston Ag, Kunststoffwerke Hans Frei & Sohne | Filters for liquids |
| EP0321064A1 (en) * | 1987-12-10 | 1989-06-21 | Costar Corporation | Bottle filter |
| CN2262451Y (en) * | 1996-12-25 | 1997-09-17 | 北京曼博瑞技术有限责任公司 | High-precision filtering funnel |
| US7661538B1 (en) * | 2001-05-31 | 2010-02-16 | Roush Life Science, LLC | Disposable vacuum filtration funnel with integral prefilter |
| CN101925396A (en) * | 2008-01-21 | 2010-12-22 | 富士胶片株式会社 | Porous filter cartridge |
| CN203196415U (en) * | 2013-04-24 | 2013-09-18 | 浙江硕华医用塑料有限公司 | Measuring cup for vacuum filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039790A (en) * | 2016-09-12 | 2016-10-26 | 云南锡业锡化学品有限公司 | Annular filtering device for dibutyltin oxide production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103212228B (en) | 2015-06-03 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 313220 Deqing County Province, Huzhou City, the town of bell hill road, No., No. 148 Patentee after: Zhejiang Sorfa Life Science Research Co., Ltd. Address before: 313220 Deqing County Province, Huzhou City, the town of bell hill road, No., No. 148 Patentee before: Zhejiang Sorfa Medical Plastic Co.,Ltd. |