CN204671968U - A kind of use for laboratory nutsch filter - Google Patents
A kind of use for laboratory nutsch filter Download PDFInfo
- Publication number
- CN204671968U CN204671968U CN201520267316.7U CN201520267316U CN204671968U CN 204671968 U CN204671968 U CN 204671968U CN 201520267316 U CN201520267316 U CN 201520267316U CN 204671968 U CN204671968 U CN 204671968U
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- cup
- rim
- laboratory
- screen pack
- filter according
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Abstract
The utility model discloses a kind of use for laboratory nutsch filter, it comprises cup, lower cup body, screen pack and filter paper, and upper cup back-off is wherein arranged, and is provided with three inlets at top.The upright placement of lower cup body, and bleeding point is provided with on the wall of cup near top, screen pack and filter paper are arranged between upper and lower cup, and for filtering.The utility model adopts two-piece unit structure, and be convenient to dismounting cleaning, screen pack is arranged between two cups simultaneously, and can be locked, the filter paper in the filter process being effectively is supported, and improves filter efficiency.
Description
Technical field
The utility model relates to liquid filtering equipment technology field, the nutsch filter specifically used in a kind of laboratory.
Background technology
Suction filtration process refers to and utilizes aspiration pump that the pressure in bottle,suction is reduced, and reaches the process of the object of Separation of Solid and Liquid.
General use cloth funnel, bottle,suction (nutsch filter), sebific duct, aspiration pump and filter paper carry out assembling and use.Its use procedure is as follows:
Closely whether install instruments, check cloth funnel and to be connected between bottle,suction, whether aspiration pump connector leaks gas;
Bottle,suction is joined a single hole plug, Buchner funnel is arranged in consent.The inclined-plane of filler tube lower end is towards air exhaust nozzle.But too closely unreliable, in order to avoid make filtrate take away from air exhaust nozzle.
Prune filter paper, make it be slightly less than cloth funnel, but all holes all will be covered, and drip distilled water filter paper is connected with funnel closely;
On filter paper, add a small amount of water or solvent, open water tap, sucks partial air in bottle,suction, to make filter paper be close in hopper base, so as not to filtering into there being solid to enter filtrate from filter paper edge gently.
Open aspiration pump switch, start suction filtration.
Existing bottle,suction is relatively simple for structure, in scheme disclosed in Chinese patent 201210006634.9, is exactly a kind of disposable simple nutsch filter, there is assembling loaded down with trivial details, the problems such as easy gas leakage.
Utility model content
The purpose of this utility model is to provide a kind of use for laboratory nutsch filter, improves the easy-to-use performance of nutsch filter, is convenient to cleaning.
The technical scheme in the invention for solving the technical problem is:
A kind of use for laboratory nutsch filter, comprises cup, lower cup body, screen pack and filter paper, it is characterized in that,
Described lower cup body upper end is rim of a cup, arranges a bleeding point in the part of lower cup body near top;
Described upper cup lower end is rim of a cup, and arranges at least one inlet in the plane of upper end, and the rim of a cup part of described upper cup is nested with one and screws threaded cover, described in screw threaded cover and be flexibly connected with the rim of a cup part of upper cup by rotating buckle;
Described screen pack comprises the ring bodies coordinated with rim of a cup part and the screen pack be arranged in the middle of ring bodies, and wherein the section of ring bodies is n shape, is fastened on the rim of a cup place of lower cup body, and places first seal washer between;
On described screen pack, filter paper is placed in laminating;
Described upper cup is fastened on lower cup body, and lower body rim of a cup part and screw between threaded cover thread locking structure be set, make upper and lower cup form one by screw-threaded coupling.
Further, the circumferential concave-convex fit structure rotated of restriction is set at the rim of a cup mating surface of described screen pack and upper cup.
Further, described concave-convex fit structure refers to: arrange concaveconvex structure at the upper surface of screen pack ring bodies, and the rim of a cup end face of upper cup arranges concaveconvex structure, forms the locking in circumference.
Further, a liquid outlet is set in the bottom of lower cup body.
Further, described bleeding point place interface tube install with can use to be threaded between lower cup body.
Further, described flexible connection refers to: arrange an annular projection in the rim of a cup part of upper cup, an annular projection is also set screwing on threaded cover inwall, and stops each other between two annular projections, and the second seal washer is set between.
Further, described inlet is connected with funnel.
Further, described upper cup and lower cup body are transparent working of plastics.
Further, described bleeding point can be coupled together with vacuumizing air pump by flexible pipe.
Further, the outer wall of upper cup arranges scale.
The beneficial effects of the utility model are:
1, two-piece unit structure, is convenient to dismounting cleaning, easy to use.
2, inlet is less, can shutoff in not used time, avoids polluting inner filtered fluid.
3, screen pack is arranged between two cups, can be locked, and the filter paper in the filter process being effectively is supported, and improves filter efficiency.
Accompanying drawing explanation
Fig. 1 is dismounting figure of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the stereogram of screen pack.
Fig. 4 is A--A sectional view in Fig. 2.
Fig. 5 is the stereogram of upper cup.
Fig. 6 is for using shape body figure.
Fig. 7 is the improvement figure of lower cup body.
In figure: cup on 1,2 lower cup bodies, 21 bleeding points, 22 liquid outlets, 3 screen packs, 31 ring bodies, 32 screen packs, 33 concave-convex fit structures, 4 filter paper, 5 screw threaded cover, and 51 are flexibly connected, 52 thread locking structures, 6 vacuumize air pump, 7 seal washers, 7 ' seal washer, 8 serum caps.
Detailed description of the invention
As shown in Figures 1 to 6,
A kind of use for laboratory nutsch filter, comprises cup 1, lower cup body 2, screen pack 3 and filter paper 4, and upper cup 1 back-off is wherein arranged, and is provided with three inlets 11 at top.The upright placement of lower cup body 2, and bleeding point 21 is provided with on the wall of cup near top, screen pack 3 and filter paper 4 are arranged between upper and lower cup, and for filtering.Be described in detail below.
Lower cup body 2, entirety is transparent plastic material, and the rim of a cup part of upper end is made stepped, also referred to as closing in type structure.Arrange a bleeding point 21 in the part of lower cup body near top, bleeding point stretches out, and form an interface tube, interface tube can be coupled together with vacuumizing air pump by flexible pipe, and use vacuumizes air pump 6 and bleeds.For ease of clean, above-mentioned bleeding point 21 place interface tube install with can use to be threaded between lower cup body, clean after for convenience detach like this.
Above-mentioned vacuumizes air pump 6 for small-power air pump.
Upper cup 1, entirety is transparent plastic material, the rim of a cup part of lower end is made stepped, also referred to as closing in type structure, upper end is a plane, and arranges interface tube through inside and outside three in the plane of upper end, is inlet 11, inlet can be connected with liquid supply devices such as funnels, and its effect is internally fluid infusion.
The rim of a cup part of upper cup 1 is nested with one and screws threaded cover 5, this screws threaded cover and carries out being flexibly connected 51 with the rim of a cup part of upper cup by rotating buckle, namely an annular projection is set in rim of a cup part, an annular projection is also set screwing on threaded cover inwall, and stop each other between two annular projections, and seal washer 7 is set between them.Sealing packing ring is rubber gasket.
Further, the outer wall of upper cup arranges scale.
Screen pack 3 is skeletons, comprises the ring bodies 31 coordinated with rim of a cup part and the screen pack 32 being arranged on centre, wherein the section of ring bodies 31 is n shape, be fastened on the rim of a cup place of lower cup body, and place a seal washer 7 ' between, form a kind of seal form.
Above-mentioned screen pack is fitted placement filter paper 4, wherein filter screen plays the effect of support frame.
Above-mentioned upper cup is fastened on lower cup body, and lower body rim of a cup part and screw between threaded cover thread locking structure 52 be set, by screw-threaded coupling, make lower cup body form one.
For preventing the rotation between upper lower cup body, in the rim of a cup end of screen pack 3 and upper cup, the circumferential concave-convex fit structure 33 rotated of restriction is set, namely concaveconvex structure is set at the upper surface of screen pack ring bodies, the rim of a cup end face of upper cup arranges concaveconvex structure, form the locking in circumference.
Using method is as follows, the screen pack of upper lower cup body and centre is assembled, form one, then supplementary stoste to be filtered is carried out by an inlet on top, remaining no inlet uses serum cap 8 to cover, then by a rubber tube bleeding point is connected to and vacuumizes air pump 6, by air pump to vacuumizing, the filter efficiency at accelerated filtration net place.
Embodiment two,
A liquid outlet 22 is set in the bottom of lower cup body 2, as Fig. 7, is nested with a rubber hose at liquid outlet place, and a clip is set in rubber hose, make above-mentioned filtered fluid outer row at regular time and quantity by clip.A simultaneously external rubber hose in inlet place wherein, the other end of rubber hose connects funnel, and in rubber hose, arrange a clip, by clip, above-mentioned liquid to be filtered is supplemented at regular time and quantity.
Quantitative fluid infusion can be realized by this embodiment.
Except the technical characteristic described in description, be the known technology of those skilled in the art.
Claims (10)
1. a use for laboratory nutsch filter, comprises cup (1), lower cup body (2), screen pack (3) and filter paper (4), it is characterized in that,
Described lower cup body (2) upper end is rim of a cup, arranges a bleeding point (21) in the part of lower cup body near top;
Described upper cup (1) lower end is rim of a cup, and at least one inlet (11) is set in the plane of upper end, the rim of a cup part of described upper cup (1) is nested with one and screws threaded cover (5), described in screw threaded cover and carry out being flexibly connected (51) with the rim of a cup part of upper cup by rotating buckle;
Described screen pack (3) comprises the ring bodies (31) coordinated with rim of a cup part and the screen pack (32) be arranged in the middle of ring bodies (31), wherein the section of ring bodies (31) is n shape, be fastened on the rim of a cup place of lower cup body, and place first seal washer between;
On described screen pack, filter paper (4) is placed in laminating;
Described upper cup is fastened on lower cup body, and lower body rim of a cup part and screw between threaded cover thread locking structure (52) be set, make upper and lower cup form one by screw-threaded coupling.
2. a kind of use for laboratory nutsch filter according to claim 1, is characterized in that, arranges the circumferential concave-convex fit structure (33) rotated of restriction at the rim of a cup mating surface of described screen pack (3) and upper cup.
3. a kind of use for laboratory nutsch filter according to claim 2, it is characterized in that, described concave-convex fit structure (33) refers to: arrange concaveconvex structure at the upper surface of screen pack ring bodies, and the rim of a cup end face of upper cup arranges concaveconvex structure, forms the locking in circumference.
4. a kind of use for laboratory nutsch filter according to claim 1, is characterized in that, arranges a liquid outlet (22) in the bottom of lower cup body (2).
5. a kind of use for laboratory nutsch filter according to claim 1, is characterized in that, described bleeding point (21) place interface tube install with can use to be threaded between lower cup body.
6. a kind of use for laboratory nutsch filter according to claim 1, it is characterized in that, described flexible connection refers to: arrange an annular projection in the rim of a cup part of upper cup (1), an annular projection is also set screwing on threaded cover inwall, and stop each other between two annular projections, and the second seal washer is set between.
7. a kind of use for laboratory nutsch filter according to claim 1, it is characterized in that, described inlet is connected with funnel.
8. a kind of use for laboratory nutsch filter according to claim 1, is characterized in that, described upper cup and lower cup body are transparent working of plastics.
9. a kind of use for laboratory nutsch filter according to claim 1, is characterized in that, described bleeding point can be coupled together with vacuumizing air pump by flexible pipe.
10. a kind of use for laboratory nutsch filter according to claim 1, is characterized in that, the outer wall of upper cup arranges scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520267316.7U CN204671968U (en) | 2015-04-28 | 2015-04-28 | A kind of use for laboratory nutsch filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520267316.7U CN204671968U (en) | 2015-04-28 | 2015-04-28 | A kind of use for laboratory nutsch filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204671968U true CN204671968U (en) | 2015-09-30 |
Family
ID=54171694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520267316.7U Expired - Fee Related CN204671968U (en) | 2015-04-28 | 2015-04-28 | A kind of use for laboratory nutsch filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204671968U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442012A (en) * | 2016-11-23 | 2017-02-22 | 华中农业大学 | Portable manual suction filter for collecting particulate organic matters in water bodies |
| CN106474810A (en) * | 2016-10-21 | 2017-03-08 | 石宇琪 | Chemical filter unit |
| CN111672180A (en) * | 2020-07-22 | 2020-09-18 | 湖南广盛源医药科技有限公司 | Suspension suction filter for hand-washing-free disinfection gel preparation |
| CN114130097A (en) * | 2021-12-09 | 2022-03-04 | 连云港冠昕医药科技有限公司 | Purification method and device for preparing L-5-methyl tetrahydrocalcium folate |
-
2015
- 2015-04-28 CN CN201520267316.7U patent/CN204671968U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474810A (en) * | 2016-10-21 | 2017-03-08 | 石宇琪 | Chemical filter unit |
| CN106474810B (en) * | 2016-10-21 | 2018-11-06 | 石宇琪 | Chemical filter unit |
| CN106442012A (en) * | 2016-11-23 | 2017-02-22 | 华中农业大学 | Portable manual suction filter for collecting particulate organic matters in water bodies |
| CN106442012B (en) * | 2016-11-23 | 2019-09-24 | 华中农业大学 | A kind of Portable manual nutsch filter for collecting water body particulate organic matter |
| CN111672180A (en) * | 2020-07-22 | 2020-09-18 | 湖南广盛源医药科技有限公司 | Suspension suction filter for hand-washing-free disinfection gel preparation |
| CN114130097A (en) * | 2021-12-09 | 2022-03-04 | 连云港冠昕医药科技有限公司 | Purification method and device for preparing L-5-methyl tetrahydrocalcium folate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20170428 |