CN209173491U - A kind of folding type filter element - Google Patents
A kind of folding type filter element Download PDFInfo
- Publication number
- CN209173491U CN209173491U CN201821372017.XU CN201821372017U CN209173491U CN 209173491 U CN209173491 U CN 209173491U CN 201821372017 U CN201821372017 U CN 201821372017U CN 209173491 U CN209173491 U CN 209173491U
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- China
- Prior art keywords
- filter membrane
- folding type
- filter element
- type filter
- filter
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Abstract
The utility model discloses a kind of folding type filter element, the folding type filter element includes a filter membrane, and the filter membrane has several flangings, and several flangings in the shape of a spiral and surround a cylindrical structure.In the prior art, the center line of the flanging of the filter membrane of folding type filter element is substantially collinear with radius, this programme is spiral by the flanging setting of filter membrane, the filter area of filter membrane is increased under the premise of not changing folding type filter element diameter, also make the outboard end of filter membrane more compact, more stable, improve the service life of filter membrane.
Description
Technical field
The utility model relates to a kind of filter device more particularly to a kind of folding type filter elements.
Background technique
Filter core is the recycling for the resource and resource that purify ecosystem and the cleaning equipment needed.Filter core removes liquid
Perhaps solid particle a small amount of in air can protect the normal work of equipment or the cleaning of air, be equipped with one when fluid enters
It establishes rules after the filter core of lattice strainer, impurity is blocked, and clean stream object is flowed out by filter core.Filter core has pressure difference low, receives dirt
Ability is strong, the characteristics such as long service life, is suitable for the fields such as vacuum coating, machinery, CD, metallurgy, petroleum, refrigeration equipment.
Folding type filter element uses polypropylene (Polypropylene) thermal spray fiber membrane, nylon (Nylonb) polytetrafluoroethylene (PTFE)
(PTEE) miillpore filter etc. is the secondary filter device that is fabricated to of filter medium, has small in size, and filter area is big, precision height etc.
Advantage.Filtering accuracy range can be from 0.1 μm to 60 μm.End cover of filter element sealing and overall structure connection are all made of hot melt adhesion.Filter
Core connector is three kinds of international patterns: 222 connectors, 226 connectors, flat mouth, and by stringent complete test, to ensure to produce
The performance of product is stablized.
Fig. 1 illustrates the cross-sectional view of existing folding type filter element, as shown, folding type filter element 1 ' includes the filter membrane to give a discount
10 ', filter membrane 10 ' is cylindrical in shape structure, and the inner sidewall of filter membrane 10 ' is contacted with an inner core 20 ', and fluid to be filtered is from filter membrane 10 '
The outside side wall filtering of inner sidewall, the diameter for being cylindrical in shape the filter membrane 10 ' of structure is bigger, and the filter area of filter membrane 10 ' is bigger.That how
The filter area of filter membrane 10 ' is improved under the premise of the diameter of folding type filter element 1 ' is constant, prolonging its service life becomes urgently
The technical issues of solution.
Utility model content
The purpose of this utility model is to provide a kind of folding type filter elements, have filter area big, with long service life excellent
Point.
To achieve the above object, the utility model provides a kind of folding type filter element, and the folding type filter element includes a filter
Film, the filter membrane have several flangings, and several flangings in the shape of a spiral and surround a cylindrical structure, and the filter membrane has along axis
To perforative filter membrane through-hole.
Specifically, the folding type filter element further includes an at least filter membrane reinforcing layer, and the filter membrane reinforcing layer is tightly attached to described
An at least surface for filter membrane, to consolidate the filter membrane.
Specifically, the filter membrane has integrated formed structure.
Specifically, the folding type filter element further includes an inner support frame, and the inner support frame is in cylindrical structure and is set to institute
The inside for stating filter membrane, to support the inner sidewall of the filter membrane.
Specifically, the first hollow hole that several permission fluids pass through, first hollow out are offered on the inner support frame
Hole is rounded, rectangular, diamond shape or other arbitrary shapes.
Specifically, the folding type filter element further includes an outer support frame, and the outer support frame is in cylindrical structure and is set to institute
The outside for stating filter membrane, to support the lateral wall of the filter membrane.
Specifically, the second hollow hole that several permission fluids pass through, second hollow out are offered on the outer support frame
Hole is rounded, rectangular, diamond shape or other arbitrary shapes.
Specifically, the folding type filter element further includes a upper end cover and a lower cover, and the upper end cover is set to the filter
The one end of film, the lower cover are set to the other end of the filter membrane.
Specifically, the core of the upper end cover has the upper cover through-hole axially penetrated through, and the core of the lower cover has
The lower cover through-hole axially penetrated through.
The utility model provides a kind of folding type filter element, and the folding type filter element includes a filter membrane, and the filter membrane has
Several flangings, several flangings in the shape of a spiral and surround a cylindrical structure.In the prior art, the folding of the filter membrane of folding type filter element
The center line on side is substantially collinear with radius, and this programme is spiral by the flanging setting of filter membrane, and not changing, folding type filter element is straight
The filter area of filter membrane is increased under the premise of diameter, is also made the outboard end of filter membrane more compact, more stable, is improved the use of filter membrane
Service life.
Detailed description of the invention
Fig. 1 is the cross-sectional view of folding type filter element in the prior art.
Fig. 2 is the schematic diagram of the folding type filter element of the utility model.
Fig. 3 is the cross-sectional view of the folding type filter element of the utility model.
Specific embodiment
The embodiments of the present invention are described referring now to the drawings, similar element numbers represent similar member in attached drawing
Part.
The utility model provides a kind of folding type filter element 1, has the advantages that filter area is big, long service life.Such as Fig. 2
Shown in~3, the folding type filter element 1 of the present embodiment includes a filter membrane 10, an inner support frame 20, an outer support frame 30, a upper end cover
40 and a lower cover 50.In other embodiments, inner support frame 20 or/and outer support frame 30 can be omitted.
Filter membrane 10 has several flangings, and several flangings surround a cylindrical structure, several flangings in the shape of a spiral, i.e., each flanging
It is all arc-shaped, to increase its filter area.Filter membrane 10 have axially through a filter membrane through-hole 16, the cylindrical structure of filter membrane 10
Side wall seamless seal, fluid to be filtered only can pass through filter membrane 10 micropore be filtered.
In this present embodiment, filter membrane 10 has integrated formed structure, and stable structure is not easy deformation.In another embodiment
In, further to consolidate filter membrane 10, its deformation is prevented, adds a filter membrane reinforcing layer on an at least surface for filter membrane 10, filter membrane adds
Gu layer is tightly attached to the inner surface or/and outer surface of filter membrane 10, to consolidate filter membrane 10.Since filter membrane reinforcing layer is tightly attached to filter
The surface of film, so filter membrane reinforcing layer is also in the shape of a spiral.Certainly, in other embodiments, filter membrane reinforcing layer can also be located in filter
In film 10.
Inner support frame 20 is in cylindrical structure and set on the inside of filter membrane 10, to support the inner sidewall of filter membrane 10.Inner support
Offer several the first hollow hole (not shown) for passing through of permission fluids on frame 20, the first hollow hole is rounded, rectangular, diamond shape or
Other arbitrary shapes.Outer support frame 30 is in cylindrical structure and set on the outside of filter membrane 10, to support the lateral wall of filter membrane 10.
Offer several the second hollow hole (not shown) for passing through of permission fluids on outer support frame 30, the second hollow hole is rounded, it is rectangular,
Diamond shape or other arbitrary shapes.
Inner support frame 20, filter membrane 10 and outer support frame 30 are in the structure being socketed from inside to outside, and upper end cover 40 is set to inner support
The one end of frame 20, filter membrane 10 and outer support frame 30, lower cover 50 are set to the another of inner support frame 20, filter membrane 10 and outer support frame 30
One end.The core of upper end cover 40 has the upper cover through-hole (not shown) axially penetrated through, and the core of lower cover 50 has axial
Perforative lower cover through-hole (not shown).When folding type filter element 1 filters, fluid enters filter from upper cover through-hole or/and lower cover through-hole
In film through-hole 16, then flowed out after the micro porous filtration of filter membrane 10 from the lateral wall of filter membrane 10.
The utility model provides a kind of folding type filter element, and folding type filter element 1 includes a filter membrane 10, if filter membrane 10 has
Dry flanging, several flangings in the shape of a spiral and surround a cylindrical structure.In the prior art, the flanging of the filter membrane 10 of folding type filter element 1
Center line it is substantially collinear with radius, this programme is spiral by the setting of the flanging of filter membrane 10, straight not changing folding type filter element 1
The filter area of filter membrane 10 is increased under the premise of diameter, is also made the outboard end of filter membrane 10 more compact, more stable, is improved filter membrane 10
Service life.
It above disclosure is merely preferred embodiments of the utility model, certainly cannot be practical new to limit this with this
The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered
Range.
Claims (9)
1. a kind of folding type filter element, which is characterized in that the folding type filter element includes a filter membrane, and the filter membrane has several foldings
Side, several flangings in the shape of a spiral and surround a cylindrical structure, the filter membrane have axially through a filter membrane through-hole.
2. folding type filter element as described in claim 1, which is characterized in that the folding type filter element further includes that an at least filter membrane adds
Gu layer, the filter membrane reinforcing layer is tightly attached to an at least surface for the filter membrane, to consolidate the filter membrane.
3. folding type filter element as described in claim 1, which is characterized in that the filter membrane has integrated formed structure.
4. folding type filter element as described in claim 1, which is characterized in that the folding type filter element further includes an inner support frame,
The inner support frame is in cylindrical structure and set on the inside of the filter membrane, to support the inner sidewall of the filter membrane.
5. folding type filter element as claimed in claim 4, which is characterized in that offer several permission fluids on the inner support frame
The first hollow hole passed through, first hollow hole is rounded, rectangular or diamond shape.
6. folding type filter element as described in claim 1, which is characterized in that the folding type filter element further includes an outer support frame,
The outer support frame is in cylindrical structure and set on the outside of the filter membrane, to support the lateral wall of the filter membrane.
7. folding type filter element as claimed in claim 6, which is characterized in that offer several permission fluids on the outer support frame
The second hollow hole passed through, second hollow hole is rounded, rectangular or diamond shape.
8. folding type filter element as described in claim 1, which is characterized in that the folding type filter element further include a upper end cover and
One lower cover, the upper end cover are set to the one end of the filter membrane, and the lower cover is set to the other end of the filter membrane.
9. folding type filter element as claimed in claim 8, which is characterized in that the core of the upper end cover has one axially penetrated through
Upper cover through-hole, the core of the lower cover have the lower cover through-hole axially penetrated through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372017.XU CN209173491U (en) | 2018-08-23 | 2018-08-23 | A kind of folding type filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372017.XU CN209173491U (en) | 2018-08-23 | 2018-08-23 | A kind of folding type filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209173491U true CN209173491U (en) | 2019-07-30 |
Family
ID=67357942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821372017.XU Active CN209173491U (en) | 2018-08-23 | 2018-08-23 | A kind of folding type filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209173491U (en) |
-
2018
- 2018-08-23 CN CN201821372017.XU patent/CN209173491U/en active Active
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