CN2102152U - Vacuum chamber extensible cellular filter - Google Patents
Vacuum chamber extensible cellular filter Download PDFInfo
- Publication number
- CN2102152U CN2102152U CN 91224107 CN91224107U CN2102152U CN 2102152 U CN2102152 U CN 2102152U CN 91224107 CN91224107 CN 91224107 CN 91224107 U CN91224107 U CN 91224107U CN 2102152 U CN2102152 U CN 2102152U
- Authority
- CN
- China
- Prior art keywords
- filter
- cylindrical shell
- measuring cup
- sleeve barrel
- lower sleeve
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a microporous filter, which is mainly composed of a measuring cup, a measuring cup support subiculum, a telescopic vacuum cylinder body, etc. The vacuum cylinder body is formed by that an upper sleeve barrel with an upper cover is sheathed with and a lower sleeve barrel with a base, and the upper sleeve barrel and the lower sleeve barrel can slide mutually along the axial directions. The filter integrates the advantages of the prior art into a whole, and the structure of the vacuum cylinder body is improved, which causes the sample bottle has strong applicability and solves the pollution generated in the process of taking out the sample. The operation is simple, and the utility model can be used in the state of the positive and the negative pressures. The filter can be widely used for the sea, the river, and the lake to monitor and analyze the water quality, and can also be used for the two stage filter and the connection in series.
Description
The utility model belongs to the millipore filter in the film separation field, is mainly used in the water quality monitoring analysis in ocean, rivers, lake etc.
Micro porous filtration is one of membrane separation technique, and it is to make filtering solution pass through filter membrane under certain pressure, to remove the required composition in particulate, bacterium or the extraction solution in the solution.90225372.7 patent application discloses a kind of novel microporous filter, mainly is made up of true chamber cylindrical shell, measuring cup etc., vacuum cylindrical shell and measuring cup support subiculum by measuring cup and are tightly connected, and measuring cup supports subiculum and realizes sealing by rubber stopper and vacuum cylindrical shell.Sample bottle places the vacuum cylindrical shell, after mentioning the vacuum cylinder loam cake that is slidingly matched with the vacuum cylindrical shell, puts into or proposes.This filter has better prevented the secondary pollution of sample (filtered fluid) in the filter process, has overcome owing to the mode of screwing usually produces wrinkling, the shortcoming of breaking that the tangential force effect causes filter membrane.But the filter of this structure, sample bottle is to finish at filter process, after removing the vacuum cylinder top cover, from vacuum cylindrical shell upper end, and often can only pinch the bottleneck proposition with finger from top to bottom, in analytical technology, in the particularly rigorous analysis technology, this method of operating is not fill to be permitted, because of its result will cause polluting.In addition, vacuum cylindrical shell size is fixed, and brings certain restriction for the sample bottle specification, promptly can only could use less than the sample bottle of vacuum cylindrical shell, this is in experiment, during operation especially in the open air, lack flexibility and bring certain difficulty, and when obtaining the sample liquid measure when more, need to interrupt filtering, change sample bottle, this not only increases workload, also increases the chance of secondary pollution.If solve, the not compact or cost of filtration device structure will be increased with size that increases the vacuum cylindrical shell or the specification way that increases the vacuum cylindrical shell.
The purpose of this utility model is to improve the structure of vacuum cylindrical shell, provides a kind of strong to sample bottle adaptability, overcomes the novel microporous filter of secondary pollution in the prior art sample bottle taking-up process.
The scheme that solves is that to change the vacuum cylindrical shell be segmentation sleeve syndeton.Described telescopic vacuum cylindrical shell is made of the upper bush of band loam cake and the lower sleeve of band base.After upper and lower sleeve is pressed sample bottle Height Adjustment appropriate location, spacing by the snap ring of being located at the inner sleeve outer wall.During the sample thief bottle, shed upper bush, finger pinches the following position of bottleneck from the bottle side and takes out.Be equipped with sealing ring between outer sleeve end and snap ring.Adopt the filter of this structure, keep prior art can effectively prevent the advantage of filter membrane crowfoot cracks, it is strong, easy and simple to handle to have sample device bottle applicability simultaneously, eliminates the advantages such as secondary pollution in the sample taking-up process.This millipore filter is applicable to the investigation and monitoring analysis of water quality such as ocean, rivers, lake, also can be used as double-filtration and series connection use.
Fig. 1 is the telescopic millipore filter structural representation of vacuum chamber.
Contrast Figure of description below,, the utility model is elaborated in conjunction with technique scheme.
An embodiment of the present utility model as shown in Figure 1.
The utility model filter is mainly formed by measuring cup 2 with by the vacuum cylindrical shell that upper bush 7, lower sleeve 10 constitute.Measuring cup 2 and vacuum cylindrical shell support subiculum 14 by measuring cup and are tightly connected.Settle air cleaner 1 and charging nozzle 19 on the measuring cup loam cake 20.Measuring cup supports on the subiculum 14 and places filter membrane 3, sealing ring 11, porous plate 12 from top to bottom successively, the fastening and sealing by screwing of binding nut 13.The middle part that measuring cup supports subiculum 14 is provided with control valve 4, and measuring cup supports 7 of subiculum 14 and vacuum cylindrical shell upper bushes and is tightly connected with rubber stopper 5.Upper bush 7 and lower sleeve 10 inside and outside fits, and can axially be free to slide along it.The relative position of upper bush 7 and lower sleeve 10 is after selecting sample bottle 6, adjusting suitable height, by being anchored on lower sleeve 10 outer walls with screw, can locating along the snap ring 9 that lower sleeve 10 outer walls move.Between upper bush 7 ends and the snap ring 9, be equipped with sealing ring 8.On lower sleeve 10 sidewalls vacuum meter 15 is installed, its bottom is provided with can about flexible fixing feet 16 and exit control valve 17, vacuum suction control valve 18.During negative pressure filtration, vacuum suction control valve 18 is connected vavuum pump, closes venting control valve 17.Positive press filtration is opened venting control valve 17, can filter.
Claims (1)
1, a kind of filter that belongs to micropore technology in the film separation field, mainly form by air cleaner, measuring cup, filter membrane, porous liner plate, support subiculum, charging nozzle, vacuum cylindrical shell, control valve and fixing feet etc., it is characterized in that the vacuum cylindrical shell by the upper bush that has loam cake and inside and outside having the lower sleeve of base fit constitute, upper and lower sleeve can endwisely slip along it mutually, and with moving axially along inner sleeve, the snap ring that is fixed in the inner sleeve outer wall with holding screw is spacing; Be equipped with sealing ring between outer sleeve end and snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91224107 CN2102152U (en) | 1991-08-27 | 1991-08-27 | Vacuum chamber extensible cellular filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91224107 CN2102152U (en) | 1991-08-27 | 1991-08-27 | Vacuum chamber extensible cellular filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2102152U true CN2102152U (en) | 1992-04-22 |
Family
ID=4930639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91224107 Expired - Lifetime CN2102152U (en) | 1991-08-27 | 1991-08-27 | Vacuum chamber extensible cellular filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2102152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102459979A (en) * | 2009-06-30 | 2012-05-16 | 费希尔控制国际公司 | Biasing apparatus for use with actuators |
-
1991
- 1991-08-27 CN CN 91224107 patent/CN2102152U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102459979A (en) * | 2009-06-30 | 2012-05-16 | 费希尔控制国际公司 | Biasing apparatus for use with actuators |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |