CN209173488U - A kind of folding type filter element - Google Patents
A kind of folding type filter element Download PDFInfo
- Publication number
- CN209173488U CN209173488U CN201821372016.5U CN201821372016U CN209173488U CN 209173488 U CN209173488 U CN 209173488U CN 201821372016 U CN201821372016 U CN 201821372016U CN 209173488 U CN209173488 U CN 209173488U
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- CN
- China
- Prior art keywords
- flanging
- filter membrane
- folding type
- filter element
- type filter
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Abstract
The utility model discloses a kind of folding type filter elements, the folding type filter element includes a filter membrane, and the filter membrane is folded into several flangings, and several flangings surround a cylindrical structure, the flanging includes long flanging and short flanging, the long flanging and the short flanging arranged for interval.A short flanging is arranged in this programme between adjacent two long flanging, not only increases filter area, also makes the outboard end of filter membrane more compact, more stable；In addition, due to being provided with a short flanging between adjacent two long flanging, the supporting role of short flanging can keep the gap between adjacent two long flanging, prevent the inner end of adjacent two long flanging close to each other and generate dead angle, the effective area for keeping filter membrane, improves 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, since stress of fluidity acts on, the inner end of adjacent two flanging of filter membrane 10 ' is easily close to each other
And dead angle a is generated, the effective area of filter membrane 10 ' is greatly reduced, the service life of filter membrane 10 ' is reduced.Therefore, it is necessary to mention
For a kind of new folding type filter element to overcome above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of folding type filter element, have filter area it is big, without dead angle, service life
Long advantage.
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 are folded into several flangings, and several flangings surround a cylindrical structure, and the flanging includes long flanging and short
Flanging, the long flanging and the short flanging arranged for interval, the filter membrane have axially through a filter membrane through-hole.
Specifically, the outboard end of the outboard end of the long flanging and the short flanging constitutes the lateral wall of the filter membrane, institute
The inner end for stating long flanging constitutes the inner sidewall of the filter membrane, and the inner end of the short flanging is located at the outboard end of the long flanging
Between inner end.
Specifically, the length ratio of the long flanging and the short flanging is 1.5:1~2:1.
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 filter membrane is folded into several flangings, and flanging includes long flanging
With short flanging, the long flanging and the short flanging arranged for interval.In the prior art, the flanging of the filter membrane of folding type filter element is outer
A short flanging is arranged between adjacent two long flanging, not only increases filter area, also makes to filter in state of scattering, this programme for side
The outboard end of film is more compact, more stable；In addition, due to being provided with a short flanging, the support of short flanging between adjacent two long flanging
Effect can keep the gap between adjacent two long flanging, prevent the inner end of adjacent two long flanging close to each other and generate dead angle,
The effective area for keeping filter membrane, improves the service life of filter membrane.
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, have filter area it is big, without dead angle, with long service life excellent
Point.As shown in figures 2-3, the folding type filter element 1 of the present embodiment include a filter membrane 10, an inner support frame 20, an outer support frame 30,
One 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 is folded into several flangings, and several flangings surround a cylindrical structure, and flanging includes long flanging 12 and short folding
Side 14,14 arranged for interval of long flanging 12 and short flanging.Filter membrane 10 have axially through a filter membrane through-hole 16, the circle of filter membrane 10
The side wall seamless seal of barrel structure, the micropore that fluid to be filtered only can pass through filter membrane 10 are filtered.The outside of long flanging 12
The outboard end of end and short flanging 14 constitutes the lateral wall of filter membrane 10, and the inner end of long flanging 12 constitutes the inner sidewall of filter membrane 10, short
The inner end of flanging 14 is located at the position between the outboard end and inner end of long flanging 12.Specifically, long flanging 12 and short flanging
14 length ratio is 1.5:1~2:1, is more preferably 5:3, and when the ratio, short flanging 14 can better play the long flanging 12 of support
Effect.
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 1, and filter membrane 10 is folded into several flangings, and flanging includes long folding
Side 12 and short flanging 14,14 arranged for interval of long flanging 12 and short flanging.In the prior art, the folding of the filter membrane 10 of folding type filter element 1
A short flanging 14 is arranged between adjacent two long flanging 12, not only increases filtering in state of scattering, this programme for the outboard end on side
Area also makes the outboard end of filter membrane 10 more compact, more stable；In addition, due to being provided with a short folding between adjacent two long flanging 12
Side 14, the supporting role of short flanging 14 can keep the gap between adjacent two long flanging 12, prevent the interior of adjacent two long flanging 12
Side is close to each other and generates dead angle, keeps the effective area of filter membrane 10, improves the service life of filter membrane 10.
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 is folded into several foldings
Side, several flangings surround a cylindrical structure, and the flanging includes long flanging and short flanging, the long flanging and described short
Flanging arranged for interval, 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 outboard end of the long flanging and the short flanging
Outboard end constitutes the lateral wall of the filter membrane, and the inner end of the long flanging constitutes the inner sidewall of the filter membrane, the short flanging
Inner end be located between the outboard end and inner end of the long flanging.
3. folding type filter element as described in claim 1, which is characterized in that the length ratio of the long flanging and the short flanging is
1.5:1~2:1.
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 |
|---|---|---|---|
| CN201821372016.5U CN209173488U (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 |
|---|---|---|---|
| CN201821372016.5U CN209173488U (en) | 2018-08-23 | 2018-08-23 | A kind of folding type filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209173488U true CN209173488U (en) | 2019-07-30 |
Family
ID=67358816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821372016.5U Active CN209173488U (en) | 2018-08-23 | 2018-08-23 | A kind of folding type filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209173488U (en) |
-
2018
- 2018-08-23 CN CN201821372016.5U patent/CN209173488U/en active Active
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