CN204973611U - Membrane filter housing screw fastening inclined plane seal structure - Google Patents
Membrane filter housing screw fastening inclined plane seal structure Download PDFInfo
- Publication number
- CN204973611U CN204973611U CN201520539145.9U CN201520539145U CN204973611U CN 204973611 U CN204973611 U CN 204973611U CN 201520539145 U CN201520539145 U CN 201520539145U CN 204973611 U CN204973611 U CN 204973611U
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- CN
- China
- Prior art keywords
- filter housing
- inclined plane
- end cap
- end cover
- fastening
- 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.)
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- 239000012528 membrane Substances 0.000 title abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005374 membrane filtration Methods 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002085 persistent effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 208000017667 Chronic Disease Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Abstract
The utility model relates to a membrane filter housing screw fastening inclined plane seal structure, including filter housing and end cover, the end cover with filter housing's tip be connected through the screw thread mode, the outside of end cover be provided with the external screw thread, filter housing's tip be provided with with the internal thread that closes of outer thread to match, the end cover terminal surface or inclined plane and filter housing's terminal surface or the inclined plane of tip between be provided with the sealing washer. Adopt the membrane filter housing screw fastening inclined plane seal structure of this kind of structure, for plant operations such as water treatment industry membrane and filter core provide many convenient, quick, firm results of use, end cover screw fastening connects the level that need not and proofreads when the filter housing end cover is installed, as long as the screw thread screw in can firmly fasten, terminal surface that the thread end was covered or the sealing washer on the inclined plane can not produce the persistent ailment of end cover " the rust is died " because of the pollutant corrosion when dismantling, have more extensive range of application.
Description
Technical field
The utility model relates to filtration device structure technical field, particularly relates to filter housing end cap syndeton field, specifically refers to a kind of membrane filtration shell screw threads for fastening inclined plane sealing structure.
Background technology
The filter housing of the RO reverse osmosis membrane used in current domestic and international market, NF NF membrane, UF milipore filter, MF filter core, many employing FRP/PVC tubular outer shell, the design of its two end cap adopts direct insertion installation, gap slipper seal.Film, filter element replacing need to pull up end cap and dismounting pipeline energetically.This filter housing 1 is commercially widely used, but there is following problem:
As shown in Figure 1, Fig. 1 middle filtrator shell is 1 ', O RunddichtringO is 2 ', and positioning retainer ring is 3 ', and end cap is 4 '.
1, end cap 4 ' installs inconvenience: owing to pushing filter housing by the level that maintains an equal level by hand when two end cap is installed, and filter housing inwall is small―gap suture slipper seal with it.This can cause sealing ring bird caging to be out of shape often, needs manually repeatedly to advance installation.
2, end cap 4 ' dismantles inconvenience: equipment is after operation a period of time, corrosion is formed because water pollutant is gathered in the gap of the O RunddichtringO 2 ' of end cap 4 ', cause end cap 4 ' " rust is dead " in filter housing, in unloading process, need specific purpose tool and require great effort just can take apart.
3, end cap 4 ' sealing is leaked: O RunddichtringO 2 ' and the filter housing 1 ' inwall of end cap 4 ' outer ring are gap slipper seal, and filter housing 1 ' inside can not ensure absolute circularity.Therefore often have drainage in installation and use.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, provides one and can realize the chronic disease that end cap mounts and dismounts conveniently, " can not become rusty dead " because of pollutant corrosion generation end cap, the membrane filtration shell screw threads for fastening inclined plane sealing structure with broader applications scope.
To achieve these goals, membrane filtration shell screw threads for fastening inclined plane sealing structure of the present utility model has following formation:
This membrane filtration shell screw threads for fastening inclined plane sealing structure, its main feature is, described structure comprises filter housing and end cap, and described end cap is threadedly connected with the end of described filter housing.
Preferably, the front end outer setting of described end cap has external screw thread, and the end of described filter housing is provided with the internal thread matched with described external screw thread.
More preferably, the rear end of described end cap is cylinder, has inclined-plane and be connected between described externally threaded end and the rear end of end cap, and described filter housing and this inclined-plane connect corresponding position and have corresponding inclined-plane.
Further, at least one sealing ring is provided with between the inclined-plane of the inclined-plane of described end cap and the end of described filter housing.
Preferably, between the end face of the end face of described end cap and the end of described filter housing, at least one is set and has sealing ring.
More preferably, described sealing ring is O RunddichtringO.
Preferably, the side of described filter housing is provided with side Inlet and outlet water interface.
Have employed the membrane filtration shell screw threads for fastening inclined plane sealing structure in this utility model, for the use of the equipment such as water treatment field film and filter core provides many convenient, quick, firm results of use: end cap screw threads for fastening is connected to when filter housing end cap is installed and proofreads without the need to level, can be firm fastening as long as be threaded into; End cap screw threads for fastening can once rotate when being connected to the dismounting of filter housing end cap, and more conventional filter housing is more quick; End face on thread ending cover or the sealing ring on inclined-plane form static sealing when fastening, ensure that reliable sealing effectiveness; End face on thread ending cover or the sealing ring on inclined-plane, when dismantling, because of the chronic disease of pollutant corrosion generation end cap " rust is dead ", can not have range of application widely.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the filter housing end cap fastening structure of prior art.
Fig. 2 is the sectional structure schematic diagram of membrane filtration shell screw threads for fastening inclined plane sealing structure of the present utility model.
Detailed description of the invention
In order to more clearly describe technology contents of the present utility model, conduct further description below in conjunction with specific embodiment.
As shown in Figure 2, the utility model provides a kind of filter shell end cap screw threads for fastening structure, and its principle is as follows:
1, filter housing 1 end cap 3 changes internal and external threads structure into
The external screw thread of end cap 3 adopts screw threads for fastening to be connected with the internal thread at filter housing 1 two ends, is be rotated in filter housing 1 when end cap 3 is installed, more convenient accurately firm during this installing/dismounting.Helicitic texture of the present utility model be for water treatment field RO NF membrane component filter housing design, external diameter 4 " ~ 8 " very little (100 ~ 200mm), pressure 0 ~ 600PSI (0 ~ 42kg/cm).Adopt shell internal thread (trapezoidal thread), end cap external screw thread (trapezoidal thread), can improve fastening strength, lock-bit.Current RO both domestic and external NF membrane component filter housing, adopt direct insertion end plate, clearance seal, retainer ring fixed structure more.
2, end cap 3 is sealed into end face or inclined-plane sealing
End cap 3 is when screw threads for fastening, and the sealing ring on its end face or inclined-plane and the end face of filter housing inside or inclined-plane extrude and form static sealing.Guarantee that sealing is firm, cannot can not dismantle because of the corrosion of pollutant simultaneously.Preferably, sealing adopts O RunddichtringO 2.Inclined-plane of the present utility model compresses static sealing, is the inclined-plane and the end cap inclined-plane press seal circle that adopt inside, filter housing two ends, effectively can forms stabilized seal effect under low pressure and high pressure conditions.Current RO both domestic and external NF membrane component filter housing be all the friction sealed (see figure 1) in gap.
3, filter core special filtering shell 1 adopts end cap 3 screw threads for fastening and side Inlet and outlet water structure
Filter housing 1 adopts end cap 3 screw threads for fastening structure at two ends, only need rotate lower thread ending cover 3 replaceable cartridge, need not dismantle pipeline when coordinating side Inlet and outlet water interface to use.Side of the present utility model intake-outlet is arranged on the outside two ends of filter housing, convenient installation saves space, and facilitating cartridge removal, is the large discharge filter core diameter 6 for water treatment field " the filter housing design of very little (150mm); mostly domesticly at present be end face intake-outlet, also do not have this to design.
Have employed the membrane filtration shell screw threads for fastening inclined plane sealing structure in this utility model, for the use of the equipment such as water treatment field film and filter core provides many convenient, quick, firm results of use: end cap screw threads for fastening is connected to when filter housing end cap is installed and proofreads without the need to level, can be firm fastening as long as be threaded into; End cap screw threads for fastening can once rotate when being connected to the dismounting of filter housing end cap, and more conventional filter housing is more quick; End face on thread ending cover or the sealing ring on inclined-plane form static sealing when fastening, ensure that reliable sealing effectiveness; End face on thread ending cover or the sealing ring on inclined-plane, can not because of the chronic diseases of pollutant corrosion generation end cap " rust is dead " when dismantling.
In this description, the utility model is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, description and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. a membrane filtration shell screw threads for fastening inclined plane sealing structure, is characterized in that, described structure comprises filter housing and end cap, and described end cap is threadedly connected with the end of described filter housing.
2. membrane filtration shell screw threads for fastening inclined plane sealing structure according to claim 1, it is characterized in that, the front end outer setting of described end cap has external screw thread, and the end of described filter housing is provided with the internal thread matched with described external screw thread.
3. membrane filtration shell screw threads for fastening inclined plane sealing structure according to claim 2, it is characterized in that, the rear end of described end cap is cylinder, have inclined-plane between described externally threaded end and the rear end of end cap to be connected, described filter housing and this inclined-plane connect corresponding position and have corresponding inclined-plane.
4. membrane filtration shell screw threads for fastening inclined plane sealing structure according to claim 3, is characterized in that, be provided with at least one sealing ring between the inclined-plane of the inclined-plane of described end cap and the end of described filter housing.
5. membrane filtration shell screw threads for fastening inclined plane sealing structure according to claim 1, it is characterized in that, arranging at least one between the end face of the end face of described end cap and the end of described filter housing has sealing ring.
6. the membrane filtration shell screw threads for fastening inclined plane sealing structure according to claim 4 or 5, it is characterized in that, described sealing ring is O RunddichtringO.
7. membrane filtration shell screw threads for fastening inclined plane sealing structure according to claim 1, is characterized in that, the side of described filter housing is provided with side Inlet and outlet water interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539145.9U CN204973611U (en) | 2015-07-23 | 2015-07-23 | Membrane filter housing screw fastening inclined plane seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539145.9U CN204973611U (en) | 2015-07-23 | 2015-07-23 | Membrane filter housing screw fastening inclined plane seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204973611U true CN204973611U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520539145.9U Active CN204973611U (en) | 2015-07-23 | 2015-07-23 | Membrane filter housing screw fastening inclined plane seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204973611U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503556A (en) * | 2020-04-23 | 2020-08-07 | 江苏舒适照明有限公司 | Spotlight structure |
| CN114146462A (en) * | 2016-03-02 | 2022-03-08 | 唐纳森公司 | Liquid filter device and method |
| US11466821B2 (en) | 2019-12-31 | 2022-10-11 | Jiangsu Sur Lighting Co., Ltd. | Lamp module group |
| US11598517B2 (en) | 2019-12-31 | 2023-03-07 | Lumien Enterprise, Inc. | Electronic module group |
-
2015
- 2015-07-23 CN CN201520539145.9U patent/CN204973611U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146462A (en) * | 2016-03-02 | 2022-03-08 | 唐纳森公司 | Liquid filter device and method |
| US11466821B2 (en) | 2019-12-31 | 2022-10-11 | Jiangsu Sur Lighting Co., Ltd. | Lamp module group |
| US11598517B2 (en) | 2019-12-31 | 2023-03-07 | Lumien Enterprise, Inc. | Electronic module group |
| US11959601B2 (en) | 2019-12-31 | 2024-04-16 | Lumien Enterprise, Inc. | Lamp module group |
| CN111503556A (en) * | 2020-04-23 | 2020-08-07 | 江苏舒适照明有限公司 | Spotlight structure |
| US11421837B2 (en) | 2020-04-23 | 2022-08-23 | Jiangsu Sur Lighting Co., Ltd. | Spotlight structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231102 Address after: Room 301 (duplex), No. 12, Lane 298, Xilin Road, Sheshan Town, Songjiang District, Shanghai, February 2016 Patentee after: Hou Shunli Address before: M2-202 Micro System Park, No. 2 Peiyuan Road, Huqiu District, Suzhou City, Jiangsu Province, 215163 Patentee before: SUZHOU QINGYIYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |