CN205073745U - Stabilize efficient suction filter device - Google Patents
Stabilize efficient suction filter device Download PDFInfo
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- CN205073745U CN205073745U CN201520871533.7U CN201520871533U CN205073745U CN 205073745 U CN205073745 U CN 205073745U CN 201520871533 U CN201520871533 U CN 201520871533U CN 205073745 U CN205073745 U CN 205073745U
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- inner bag
- receiving flask
- suction filtration
- filtrate receiving
- stability
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Abstract
The utility model provides a stabilize efficient suction filter device, including filtrating receiving flask, exhaust tube, vacuum pump, inner bag, cavity top cap, the inner bag of filtrating receiving flask inner chamber is stretched into in the upper end opening part setting of filtrating receiving flask, and the inner bag is for the upper end is equipped with open -ended sealed container, lies in under the inner bag of inner bag lower extreme the bottom surface for hollow out construction, the bottleneck and cavity top cap threaded connection of filtrating receiving flask, the upper surface of cavity top cap is equipped with the through -hole with the upper end opening intercommunication of inner bag, filtrating receiving flask body is provided with the extraction opening in the position on the upper side, and the extraction opening passes through exhaust tube and vacuum pump connection. The utility model discloses a with inner bag design within the filtrating receiving flask, focus that can reducing device improves the stability of device, the exhaust tube after the suction filtration, is removed to the extraction opening effect of discharge port of filtrating simultaneously, the body that inclines slightly can be through extraction opening discharges of will filtrating, this kind of method need not dismounting device, with regard to conveniently discharging filtrating, has improved suction filtration efficiency.
Description
Technical field
The utility model relates to a kind of laboratory apparatus, specifically a kind of Suction filtration device of stability and high efficiency.
Background technology
Research shows, the planktonic organism in water sample can have an impact to the chemical composition in water, and the insoluble substance in water sample also owing to preserving the impact of Reagent Protocol and stripping, can affect the change of Hydrochemical Composition in water.According to " water sample is preserved and specified with administrative skill " (HJ493-2009), when soluble phosphate and dissolved silicon hydrochlorate water sample sampling, want filtration in-situ, NO
2, NO
3water sample also will through filtration in-situ before preserving, and moreover, also has other experiment a lot of to need to filter solution in laboratory.
When water sample is more, the pressure difference between liquid level of solution to be filtered and filtrate liquid level is caused by the method for suction filtration, filter efficiency can be accelerated, but the filtrate receiving flask that laboratory Suction filtration device generally used is generally the scale funnel and bottom top being filled solution to be measured by spring clip connects together, device structure is comparatively complicated, and device center of gravity is higher, easily turns on one's side in the wild on ground or in water sampling way, in addition, also there is the problems such as filtrate transfer inconvenience.Therefore design the Suction filtration device that a kind of energy is efficient and stable, the timely filtration for large quantities of water sample has great importance.
Summary of the invention
The utility model provides a kind of Suction filtration device of stability and high efficiency, can meet the timely filtration of laboratory or scene (especially field or gather in way) large quantities of water sample, and apparatus structure is simple, easy to use.
A kind of Suction filtration device of stability and high efficiency, comprise filtrate receiving flask, exhaust tube, vavuum pump, it is characterized in that: also comprise inner bag, hollow top cover, the upper end open place of filtrate receiving flask arranges the inner bag stretching into filtrate receiving flask inner chamber, inner bag is the airtight container that upper end is provided with opening, the inner bag bottom surface being positioned at inner bag lower end is engraved structure, the bottleneck of filtrate receiving flask is threaded with hollow top cover, the upper surface of described hollow top cover is provided with the through hole be communicated with the upper end open of inner bag, described filtrate receiving flask body position on the upper side is provided with bleeding point, bleeding point is connected with vavuum pump by exhaust tube.
The Suction filtration device of stability and high efficiency as above, described filtrate receiving flask is the glass container of up-narrow and down-wide type, and inner bag is the cylindrical glass container of upper end open, and the external diameter of filtrate receiving flask upper end internal diameter of the bottleneck size and side wall of inner is in the same size.
The Suction filtration device of stability and high efficiency as above, is positioned at the inner-tube mouth edge of inner bag upper end outwardly, and inner-tube mouth edge is affiliated at filtrate receiving flask upper end open edge.
The Suction filtration device of stability and high efficiency as above, inner-tube mouth edge is arranged with the reeded rubber washer of inner band.
The Suction filtration device of stability and high efficiency as above, is provided with whorl of bottleneck outside described filtrate receiving flask bottleneck, is provided with the screw thread corresponding with the whorl of bottleneck of described filtrate receiving flask inside hollow top cover.
The Suction filtration device of stability and high efficiency as above, inner bag bottom surface places filter paper, the size of filter paper and the consistent size of inner bag bottom surface.
The Suction filtration device of stability and high efficiency as above, exhaust tube adopts plastic flexible pipe to make.
The utility model is by designing inner bag within filtrate receiving flask, the center of gravity of device can be reduced, improve the stability of device, bleeding point is held concurrently the effect of filtrate outlet simultaneously, after suction filtration terminates, remove exhaust tube, tilt body slightly, namely filtrate discharged by bleeding point, and this kind of method is without the need to provision for disengagement, just can discharge filtrate easily, improve suction filtration efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Suction filtration device of the utility model stability and high efficiency.
In figure: 1-inner bag; 2-inner bag bottom surface; 3-filter paper; 4-inner-tube mouth edge; 5-rubber washer; 6-filtrate receiving flask; 7-hollow top cover; 8-whorl of bottleneck; 9-exhaust tube; 10-bleeding point; 11-vavuum pump.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
Figure 1 shows that the structural representation of the Suction filtration device of the utility model stability and high efficiency, the Suction filtration device of described stability and high efficiency comprises inner bag 1, filtrate receiving flask 6, hollow top cover 7, exhaust tube 9, vavuum pump 11, and the upper end open place of filtrate receiving flask 6 arranges the inner bag 1 stretching into filtrate receiving flask 6 inner chamber.Described filtrate receiving flask 6 is the glass container of up-narrow and down-wide type, and inner bag 1 is the cylindrical glass container of upper end open, and the external diameter of filtrate receiving flask 6 upper end internal diameter of the bottleneck size and inner bag 1 sidewall is in the same size, so that inner bag 1 puts into filtrate receiving flask 6 inner chamber smoothly.
The inner bag bottom surface 2 being positioned at inner bag 1 lower end is engraved structure, is positioned at the inner-tube mouth edge 4 of inner bag 1 upper end than side wall of inner outwardly about 5mm, is affiliated at filtrate receiving flask 6 upper end open edge to make inner-tube mouth edge 4.Inner-tube mouth edge 4 is arranged with the reeded rubber washer 5 of inner band, and described rubber washer 5 is annular, is anchored on inner-tube mouth edge 4 to facilitate.
Be provided with whorl of bottleneck 8 outside described filtrate receiving flask 6 bottleneck, be provided with the screw thread corresponding with the whorl of bottleneck 8 of described filtrate receiving flask 6 inside hollow top cover 7, namely hollow top cover 7 is connected to realize bottle sealing with the whorl of bottleneck of described filtrate receiving flask 6.The upper surface of described hollow top cover 7 arranges through hole, concrete, can be provided with the circular hole of the consistent size of the internal diameter of the bottleneck of an internal diameter and inner bag 1, so that add solution to be filtered by this hole in inner bag 1 at the mid portion of hollow top cover 7.
Described filtrate receiving flask 6 body position on the upper side is provided with bleeding point 10, and bleeding point 10 is connected with vavuum pump 11 by exhaust tube 9, and exhaust tube 9 can adopt plastic flexible pipe to make.Described vavuum pump 11 can meet vacuum magnitude needed for suction filtration.
During use, first inner bag 1 is soaked, inner bag bottom surface 2 is placed filter paper 3, the size of described filter paper 3 and the consistent size of inner bag bottom surface 2.The size in filter paper 3 aperture is selected according to specific experiment.Reeded rubber washer 5 is put at inner-tube mouth edge 4, then inner bag 1 is put into filtrate receiving flask 6, hollow of screwing on top cover 7, the inside thread of hollow top cover 7 make together with can be snapped to the whorl of bottleneck of filtrate receiving flask 6, water sample to be filtered is poured in inner bag 1, with exhaust tube 9, bleeding point 10 is connected together with vavuum pump 11, start vavuum pump 11 and carry out suction filtration, when filtrate liquid level will reach inner bag bottom surface 2, close vavuum pump 11, remove exhaust tube 9, tilt body a little, filtrate is shifted out by bleeding point 10 from filtrate receiving flask 6.
This Suction filtration device has the following advantages:
(1) inner bag 1 is designed within filtrate receiving flask 6, the center of gravity of device can be reduced, improve the stability of device.
(2) filtrate receiving flask 6 adopts up-narrow and down-wide form, compared with columniform body, can not only increase the collecting amount of filtrate, and bleeding point 10 can be arranged on the position of inner bag bottom surface more than 2, prevents filtrate in pumping process from entering exhaust tube 9.
(3) bleeding point 10 is held concurrently the effect of filtrate outlet, makes filtrate discharge convenience and high-efficiency.When the liquid level of filtrate is about to reach inner bag bottom surface, stop adding solution to be filtered, remove exhaust tube 9, tilt body slightly, and namely filtrate discharged by bleeding point 10, this kind of method, without the need to provision for disengagement, just can discharge filtrate easily, improves suction filtration efficiency.
(4) be with reeded rubber washer, can be anchored to easily on the inner-tube mouth edge 4 of inner bag 1, to increase the seal between inner bag and filtrate receiving flask, and prevent inner bag bottleneck from being squeezed broken by hollow top cover 7.
(5) design screw thread on inside the bottleneck and hollow top cover 7 of filtrate receiving flask 6, both can be snapped to together, the seal between the bottleneck that greatly strengthen inner-tube mouth and filtrate receiving flask 6.
(6) inner bag 1 sidewall filling solution to be filtered is airtight, and inner bag bottom surface 2 is engraved structure, the small and dense collection in space of hollow out, facilitate filtrate passing through, and filter paper 3 can not be caused to be out of shape, inner bag 1 is detachable in addition, facilitates the cleaning of inner bag 1 and filtrate receiving flask 6.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly belong to those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. the Suction filtration device of a stability and high efficiency, comprise filtrate receiving flask (6), exhaust tube (9), vavuum pump (11), it is characterized in that: also comprise inner bag (1), hollow top cover (7), the upper end open place of filtrate receiving flask (6) arranges the inner bag (1) stretching into filtrate receiving flask (6) inner chamber, inner bag (6) is provided with the airtight container of opening for upper end, the inner bag bottom surface (2) being positioned at inner bag (1) lower end is engraved structure, the bottleneck of filtrate receiving flask (6) is threaded with hollow top cover (7), the upper surface of described hollow top cover (7) is provided with the through hole be communicated with the upper end open of inner bag (6), described filtrate receiving flask (6) body position on the upper side is provided with bleeding point (10), bleeding point (10) is connected with vavuum pump (11) by exhaust tube (9).
2. the Suction filtration device of stability and high efficiency as claimed in claim 1, it is characterized in that: the glass container that described filtrate receiving flask (6) is up-narrow and down-wide type, the cylindrical glass container that inner bag (6) is upper end open, the external diameter of filtrate receiving flask (6) upper end internal diameter of the bottleneck size and inner bag (6) sidewall is in the same size.
3. the Suction filtration device of stability and high efficiency as claimed in claim 2, it is characterized in that: be positioned at the inner-tube mouth edge (4) of inner bag (6) upper end outwardly, inner-tube mouth edge (4) are affiliated at filtrate receiving flask (6) upper end open edge.
4. the Suction filtration device of stability and high efficiency as claimed in claim 3, is characterized in that: inner-tube mouth edge (4) are arranged with the reeded rubber washer of inner band (5).
5. the Suction filtration device of stability and high efficiency according to claim 1, it is characterized in that: be provided with whorl of bottleneck (8) outside described filtrate receiving flask (6) bottleneck, hollow top cover (7) inner side is provided with the screw thread corresponding with the whorl of bottleneck (8) of described filtrate receiving flask (6).
6. the Suction filtration device of stability and high efficiency according to claim 1, is characterized in that: inner bag bottom surface (2) is placed filter paper (3), the size of filter paper (3) and the consistent size of inner bag bottom surface (2).
7. the Suction filtration device of stability and high efficiency according to claim 1, is characterized in that: exhaust tube (9) adopts plastic flexible pipe to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520871533.7U CN205073745U (en) | 2015-11-04 | 2015-11-04 | Stabilize efficient suction filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520871533.7U CN205073745U (en) | 2015-11-04 | 2015-11-04 | Stabilize efficient suction filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205073745U true CN205073745U (en) | 2016-03-09 |
Family
ID=55426187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520871533.7U Active CN205073745U (en) | 2015-11-04 | 2015-11-04 | Stabilize efficient suction filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205073745U (en) |
-
2015
- 2015-11-04 CN CN201520871533.7U patent/CN205073745U/en active Active
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