CN202844781U - Filter element of filter and filter - Google Patents
Filter element of filter and filter Download PDFInfo
- Publication number
- CN202844781U CN202844781U CN 201220369332 CN201220369332U CN202844781U CN 202844781 U CN202844781 U CN 202844781U CN 201220369332 CN201220369332 CN 201220369332 CN 201220369332 U CN201220369332 U CN 201220369332U CN 202844781 U CN202844781 U CN 202844781U
- Authority
- CN
- China
- Prior art keywords
- filter
- seal cover
- filter element
- installation
- sealing cover
- 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 - Fee Related
Links
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides a filter element of a filter and the filter. The filter element comprises a column-shaped drum body, wherein two ends of the drum body are fixedly provided with a first sealing cover and a second sealing cover respectively; the drum body, the first sealing cover and the second sealing cover form an accommodation chamber for accommodating unfiltered gas; a positioning prominence used for clamping and fixing an installation convex ring on a filter shell is fixedly arranged on the center of the first sealing cover; an installation through hole for permitting an installation screw on the filter shell to pass through is formed in the first sealing cover and at the position corresponding to the positioning prominence; and a threaded through hole for being fixed with the installation screw in a screw joint manner is formed in the second sealing cover in a passing manner. According to the filter element of the filter and the filter provided by the utility model, when filer elements of filters are replaced, the positioning prominence on the first sealing cover and the installation prominence ring on the filter shell are tightly connected, so that the phenomenon that unfiltered gas directly flows into an exhaust cavity can not occur, and the filtering precision after the filter element of the filter is replaced is guaranteed.
Description
Technical field
The utility model relates to filtering technique, relates in particular to a kind of filter element and filter.
Background technology
Accurate filter is mainly used in filtering out various solids, the liquid particles in the compressed air, with purification of compressed air, for industrial production provides high-quality compressed air.
As shown in Figure 1, accurate filter of the prior art is comprised of filter housings 10 and the filter cores 16 that are arranged in the filter housings 10; Filter core 16 comprises cylindrical shell that made by filtering material, columned and is fixedly installed on upper end cover 161 and the bottom end cover 162 at described cylindrical shell two ends, be provided with location counterbore 17 on the bottom surface inwardly of bottom end cover, be formed with loop-like installation protruding ring 13 on the end face of filter housings 10, and the installation screw rod 15 that is arranged in installation protruding ring 13, screw rod 15 is installed to be passed and extends perpendicularly to bottom end cover 162 places behind the filter core upper end cover 161 and be screwed onto in the location counterbore 17 on the bottom end cover 162, with location filter core 16; Positioning convex on the upper end cover 161 is fastened on and installs in the protruding ring 13 simultaneously, so that filter housings 10 interior separations are gone out inlet chamber 11 and discharge chamber 12, and inlet chamber 11 is connected with cavity 160 in the filter core with the space of installing between the screw rod 15 by the installation through hole on the upper end cover 161.After gas enters into inlet chamber 11 by the air inlet on the filter housings 10, just can be entered in the accommodating cavity 160 of filter core 16 by the space between the installation through hole of installing on screw rod 15 and the upper end cover, because bottom end cover 162 sealings, gas can only flow out filter core 16 via cylindrical shell, thereby the filtering material of cylindrical shell plays a role, impurity in the gas is stayed on the cylindrical shell, filtered clean gas then enters the discharge chamber 12 in the filter housings 10, is finally delivered in the supply air line that needs clean gas by exhaust outlet output.
The filter core of fine filter needs periodic replacement, because mismachining tolerance is inevitable, so that the length of the degree of depth of the location counterbore 17 on the bottom end cover of different filter cores and installation screw rod 15 there are differences, and the filter core of the former installation of location counterbore 17 depth ratios on the bottom end cover 162 of the filter core of changing hour, will cause and screw rod 15 is installed after bottom end cover 162 is screwed to, the space appears between the positioning convex at upper end cover 161 tops and the installation protruding ring 13, the gas of part filtered will directly enter discharge chamber 12 by this space in the inlet chamber 11 like this, causes the filter filtering accuracy to descend.
The utility model content
For defects of the prior art, the utility model provides a kind of filter element and filter, when guarantee changing different filter element, and tight connection the between the upper end cover of filter element and the filter housings, and then guarantee filtering accuracy.
The utility model provides a kind of filter element, comprise: one has the cylindrical shell of the column of filtering function, the two ends of described cylindrical shell are fixedly installed respectively the first seal cover and the second seal cover, and described cylindrical shell, the first seal cover and the second seal cover surround the accommodating cavity for accommodating not filtering gas; Described the first seal cover center be fixedly installed be useful on filter housings on the positioning convex that is fixed of installation protruding ring; On described the first seal cover and the position of corresponding described positioning convex is provided with the installation through hole that passes for the installation screw rod on the described filter housings, described the second seal cover be provided with for the described installation screw rod fixing tapped through hole that is spirally connected.
Aforesaid filter element preferably, is fixedly installed a sealing ring at described the first seal cover end face outwardly, described sealing ring be looped around described positioning convex around.
Aforesaid filter element, preferably, described cylindrical shell comprises outer skeleton, coaxially is arranged on described outer intraskeletal inner frame, and is filled in the filtration material layer between described inner frame and the outer skeleton, and described inner frame and outer skeleton are respectively stainless steel frame.
Aforesaid filter element, preferably, described filtration material layer comprises two-layer at least glass layer.
Aforesaid filter element, preferably, described filtration material layer is the pyrex fibrage of three layers or four layers.
Aforesaid filter element, preferably, the outer surface of described outer skeleton also is coated with nonwoven layer.
The utility model also provides a kind of filter, comprises filter housing, and be fixedly installed in the described filter housing, such as filter element provided by the utility model.
The filter element that the utility model provides and filter, by the tapped through hole that is spirally connected with the installation threaded rod is set at the second seal cover, can make the second seal cover be fixed on the diverse location that threaded rod is installed, and then guarantee when changing different filter elements, positioning convex on its first seal cover closely is connected with installation protruding ring on the filter housings, the gas that filtered can not occur flows directly into the situation of discharge chamber, has guaranteed to change the filtering accuracy of filter element after-filter.
Description of drawings
Fig. 1 is the structural representation of prior art middle filtrator;
Fig. 2 is the structural representation of the utility model filter element embodiment;
Fig. 3 is the structural representation of the utility model filter embodiment.
The specific embodiment
Fig. 2 is the structural representation of the utility model filter element embodiment; Fig. 3 is the structural representation of the utility model filter embodiment.Please refer to Fig. 2 and Fig. 3, present embodiment provides a kind of filter element, comprise: one has the cylindrical shell 20a of the column of filtering function, the two ends of cylindrical shell 20a are fixedly installed respectively the first seal cover 21 and the second seal cover 22, and cylindrical shell 20a, the first seal cover 21 and the second seal cover 22 surround the accommodating cavity 20 for accommodating not filtering gas; The first seal cover 21 centers be fixedly installed be useful on filter housings on the positioning convex 211 that is fixed of 10 installation protruding ring 13; On the first seal cover 21 and position of corresponding positioning convex be provided with installation through hole 212, the second seal covers 22 that pass for the installation screw rod 15 on the filter housings 10 be provided with for the screw rod 15 fixing tapped through hole 221 that is spirally connected is installed.
Particularly, the first seal cover 21 and the second seal cover 22 can be bonded in respectively the two ends of cylindrical shell 20a by adhesive glue, preferably, can also the first seal cover 21 and the second seal cover 22 on the surface of cylindrical shell 20a respectively corresponding cylindrical shell 20a offer groove, respectively the two ends of cylindrical shell 20a are fastened in the described groove, and bonding by adhesive glue simultaneously, to improve the reliability that connects; Cylindrical shell 20a can adopt the material manufacturing with filtering function, can elimination be entrained in impurity in the gas when gas passes through cylindrical shell.
The shape of positioning convex 211 and the size should with filter housings 10 on installation protruding ring 13 be complementary, for example, when installation protruding ring 13 is annulus, the circular protrusions that positioning convex 211 can match for the inner periphery of outer rim and installation protruding ring 13, further, the center that through hole 212 can corresponding positioning convex 211 is installed runs through the first seal cover 21, so that protruding ring 13 is installed when interior when positioning convex 211 snaps into, the inlet chamber 11 that the first seal cover 21 surrounds together with the top that protruding ring 13 and filter housings 10 are installed is by this installations through hole 212 be connected with accommodating cavity 20 (can guarantee being communicated with of inlet chamber 11 and accommodating cavity 20 by installation through hole 212 and matched in clearance between the installation threaded rod 15).Tapped through hole 221 on the second seal cover 22 can be oppositely arranged with installation through hole 212, so that vertically extending installation threaded rod 15 can pass installation through hole 212 and wear to tapped through hole 221; Preferably, can make and threaded rod 15 is installed is worn to the outside of the second seal cover 22, and be spirally connected with nut 151 with this filter core of further location at the end that threaded rod 15 is installed, and guarantee the sealing property of the second seal cover 22.
The filter element that present embodiment provides when mounted, can first filter housings 10 be opened, with after threaded rod 15 be installed passed installation through hole 212 on the first seal cover 21, with being installed, the tapped through hole 221 of threaded rod 15 on the second seal cover 22 be screwed onto, and guarantee that positioning convex 211 on the first seal cover 21 is fastened in the installation protruding ring 13 on the filter housings 10 fully, with guarantee to install be connected between protruding ring 13 and the first seal cover 21 tight, good seal; Need to prove, install this moment between screw rod 15 ends and the second seal cover 22 and following two kinds of situations may occur: a kind of is that the end that threaded rod 15 is installed just arrives in the tapped through hole 221, fix the second seal cover 22 by both being threaded, another kind is that the end that threaded rod 15 is installed stretches out the second seal cover 22, at this moment, can also be at the end that threaded rod 15 the is installed nut 151 that be spirally connected, with further location, sealing the second seal cover 22.After gas enters inlet chamber 11 by the air inlet of filter housings, since install be connected between protruding ring 13 and the first seal cover 21 tight, good seal, so that gas can only enter by through hole 212 is installed the accommodating cavity 20 of this filter core, flow to discharge chamber 12 by cylindrical shell 20a again, in the process of gas in the accommodating cavity 20 through cylindrical shell 20a, the impurity that is entrained in the gas then is trapped on the cylindrical shell 20a, and so that flow to the clean gas after filtering that is of discharge chamber 12, and the gas of the filtered of can not mixing, final filtered clean gas enters through exhaust outlet 102 and is attached thereto logical aspirating pipeline.
The filter element that present embodiment provides, by the tapped through hole that is spirally connected with the installation threaded rod is set at the second seal cover, can make the second seal cover be fixed on the diverse location that threaded rod is installed, and guarantee that the positioning convex on the first seal cover closely is connected with installation protruding ring on the filter housings, the gas that filtered can not occur flows directly into the situation of discharge chamber, has guaranteed to change the filtering accuracy of filter element after-filter.
In the above-described embodiments, cylindrical shell 20a comprises outer skeleton 201, the coaxial inner frame 202 that is arranged in the outer skeleton 201, and be filled in filtration material layer 203 between inner frame 202 and the outer skeleton 201, inner frame 202 and outer skeleton 201 are respectively stainless steel frame, the cylinder that can be bent to form for stainless (steel) wire particularly.The cylindrical shell 20a that adopts stainless steel frame to make, the maximum differential pressure that can bear reaches 1MPa, can adapt to the widely purification of air supply system.
Further, filtration material layer 203 comprises two-layer at least glass layer, and wherein, the number of fibrous glass layer can be determined according to the required filter efficiency that reaches; Preferably, filtration material layer 203 can be the pyrex fibrage of three layers or four layers; The pyrex fibrage can play good oil removing, dustproof effect, when three layers of pyrex fibrage of filtration material layer 203 employings, when the fibrolaminar filter efficiency of each pyrex is 90%, the filtering accuracy of filter core can reach: oil content≤5PPM, dust size≤5 μ m; When three layers of pyrex fibrage of filtration material layer 203 employings, when every layer of fibrolaminar filter efficiency of pyrex is 99.98%, the filtering accuracy of filter core can reach: oil content≤0.01PPM, impurity particle diameter≤0.01 μ m.
Further, the outer surface of outer skeleton 201 can also be coated with nonwoven layer 204, and liquid in the nonwoven layer 204 energy noncondensing gas is such as mist of oil; In addition, nonwoven layer 204 can also adopt the nonwoven of processing through PVC in advance, to obtain better decay resistance, guarantees that nonwoven layer is non-sclerous or aging in profit, the service life of improving this filter element.Adopt the filter of the filter element of present embodiment can be with the smart filter of airborne oil content to 0.01PPM, powder filtering filtration be highly suitable for the occasion that oil content or Dust Capacity are had higher requirements below 0.01 μ m.
In the above-described embodiments, be fixedly installed a sealing ring 3 at the first seal cover 21 end face outwardly, sealing ring 3 be looped around 211 positioning convex around; To realize better sealing between the first seal cover 21 and the filter housings.
The utility model another embodiment provide a kind of filter, please refer to Fig. 3, comprises filter housing 10, and be fixedly installed in the filter housing 10, the as above described filter element of arbitrary embodiment; Wherein the structure of filter element and function and previous embodiment are similar, repeat no more herein.
The filter that present embodiment provides, tapped through hole on its filter core second seal cover, can be when changing filter element, tight connection the between the first seal cover that guarantees filter element and the filter housings, flow into discharge chamber with the gas that prevents filtered, the filtering accuracy of the filter behind the different filter elements is changed in raising; Further, by in the cylindrical shell 20a of filter element specific filtration material layer being set, mist of oil and small solid particle in can elimination gas reach higher filter efficiency.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. filter element, it is characterized in that, comprise: one has the cylindrical shell of the column of filtering function, and the two ends of described cylindrical shell are fixedly installed respectively the first seal cover and the second seal cover, and described cylindrical shell, the first seal cover and the second seal cover surround the accommodating cavity for accommodating not filtering gas; Described the first seal cover center be fixedly installed be useful on filter housings on the positioning convex that is fixed of installation protruding ring; On described the first seal cover and the position of corresponding described positioning convex is provided with the installation through hole that passes for the installation screw rod on the described filter housings, described the second seal cover be provided with for the described installation screw rod fixing tapped through hole that is spirally connected.
2. filter element according to claim 1 is characterized in that, is fixedly installed a sealing ring at described the first seal cover end face outwardly, described sealing ring be looped around described positioning convex around.
3. filter element according to claim 1 and 2, it is characterized in that, described cylindrical shell comprises outer skeleton, coaxially is arranged on described outer intraskeletal inner frame, and is filled in the filtration material layer between described inner frame and the outer skeleton, and described inner frame and outer skeleton are respectively stainless steel frame.
4. filter element according to claim 3 is characterized in that, described filtration material layer comprises two-layer at least glass layer.
5. filter element according to claim 4 is characterized in that, described filtration material layer is the pyrex fibrage of three layers or four layers.
6. filter element according to claim 4 is characterized in that, the outer surface of described outer skeleton also is coated with nonwoven layer.
7. a filter is characterized in that, comprises filter housing, and be fixedly installed in the described filter housing, such as the described filter element of claim 1 to 6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220369332 CN202844781U (en) | 2012-07-25 | 2012-07-25 | Filter element of filter and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220369332 CN202844781U (en) | 2012-07-25 | 2012-07-25 | Filter element of filter and filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202844781U true CN202844781U (en) | 2013-04-03 |
Family
ID=47976020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220369332 Expired - Fee Related CN202844781U (en) | 2012-07-25 | 2012-07-25 | Filter element of filter and filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202844781U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104248894A (en) * | 2013-06-28 | 2014-12-31 | 量瑞流体科技(上海)有限公司 | Compressed gas filter core and preparation technology thereof |
| CN107684786A (en) * | 2017-10-09 | 2018-02-13 | 德清国能过滤器材有限公司 | A kind of high temperature big flow filter core |
| CN108130149A (en) * | 2018-02-08 | 2018-06-08 | 江苏优耐特过滤装备有限公司 | Natural gas detaches filter core |
| CN109569104A (en) * | 2017-09-28 | 2019-04-05 | 首例国际股份有限公司 | Dynamic wet type gas flow absorber |
| JP2020528002A (en) * | 2017-07-18 | 2020-09-17 | アトラス コプコ エアーパワー, ナームローゼ フェンノートシャップATLAS COPCO AIRPOWER, naamloze vennootschap | A filter assembly for separating oil from the compressed gas and a compressor with such a filter assembly |
-
2012
- 2012-07-25 CN CN 201220369332 patent/CN202844781U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104248894A (en) * | 2013-06-28 | 2014-12-31 | 量瑞流体科技(上海)有限公司 | Compressed gas filter core and preparation technology thereof |
| CN104248894B (en) * | 2013-06-28 | 2016-09-14 | 量瑞流体科技(上海)有限公司 | Compressed gas filter element and preparation technology thereof |
| JP2020528002A (en) * | 2017-07-18 | 2020-09-17 | アトラス コプコ エアーパワー, ナームローゼ フェンノートシャップATLAS COPCO AIRPOWER, naamloze vennootschap | A filter assembly for separating oil from the compressed gas and a compressor with such a filter assembly |
| CN109569104A (en) * | 2017-09-28 | 2019-04-05 | 首例国际股份有限公司 | Dynamic wet type gas flow absorber |
| CN107684786A (en) * | 2017-10-09 | 2018-02-13 | 德清国能过滤器材有限公司 | A kind of high temperature big flow filter core |
| CN108130149A (en) * | 2018-02-08 | 2018-06-08 | 江苏优耐特过滤装备有限公司 | Natural gas detaches filter core |
| CN108130149B (en) * | 2018-02-08 | 2023-12-22 | 江苏优耐特过滤装备有限公司 | Natural gas separation filter element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202844781U (en) | Filter element of filter and filter | |
| CN101804281B (en) | Purification device used for removing solid and liquid impurities in gas | |
| CN102281934B (en) | Filter with nutplate having an end face seal and outer attachment design | |
| KR101357782B1 (en) | Compresed air purifier | |
| CN202844786U (en) | Odor-removing filter element and filter | |
| CN204239115U (en) | A kind of engine fuel filter | |
| CN206121341U (en) | Formula compressed air filter equipment is condensed to high efficiency | |
| KR20170116515A (en) | The Unity type Composite Filter for Purifying Water | |
| CN211611958U (en) | Integral air filter | |
| CN205436050U (en) | Automatic slagging -off scraper blade filters centrifuge | |
| CN103157343B (en) | Molecular sieve adsorber | |
| CN104595074A (en) | Diesel engine fuel oil filter | |
| CN208927763U (en) | A kind of fluid purification filter core | |
| CN206738307U (en) | A kind of high-precision multi-stage filter core | |
| CN101318088B (en) | Thread filter | |
| CN219333238U (en) | Interface component of adsorption tower for ethyl orthosilicate | |
| CN211158880U (en) | Lubricating oil magnetic filter element structure of wind driven generator gearbox | |
| CN206027302U (en) | Interior filter equipment who places equipment gas exports in | |
| CN109019920A (en) | A kind of fluid purification filter core and its manufacturing method | |
| CN209867366U (en) | Flue gas purifier for selective laser melting equipment | |
| CN202555040U (en) | Automobile oil filter | |
| CN220581432U (en) | Filter for engine oil conveying | |
| CN220884363U (en) | Multifunctional rotary air drying tank | |
| CN209188522U (en) | A kind of reverse-osmosis membrane element convenient for the replacement of wick-containing column | |
| CN206647240U (en) | A kind of compressed-air filter for engine emission post processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20130725 |