CN103939425B - A kind of oil filter of easy access - Google Patents
A kind of oil filter of easy access Download PDFInfo
- Publication number
- CN103939425B CN103939425B CN201410139703.2A CN201410139703A CN103939425B CN 103939425 B CN103939425 B CN 103939425B CN 201410139703 A CN201410139703 A CN 201410139703A CN 103939425 B CN103939425 B CN 103939425B
- Authority
- CN
- China
- Prior art keywords
- stop valve
- housing
- filter core
- oil
- valve spool
- 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.)
- Active
Links
Abstract
An oil filter for easy access, comprises filter core, movable stop valve spool, and described filter core top is provided with fixing seat of stop valve, fixing stop valve spool, and filter core top presses closer fixing seat of stop valve, filter core bottom holds out against movable stop valve spool.Described filter core outside is provided with the first housing, and the first hull outside face is provided with oil inlet pipe, and the first case top is provided with closure fange body.Described first housing bottom is provided with connecting flange body, and described connecting flange body bottom is provided with the second housing, and described second outside is provided with return tube, and described second housing bottom is provided with lower closure fange body.Described lower closure fange body is provided with directional post, directional post overcoat return spring, and directional post, return spring are embedded in the middle part of movable stop valve spool.The present invention while maintenance oil purifier, can disconnect the hydraulic circuit at oil purifier two ends, can be cost-saving; And setting operation is convenient, reliability is high.
Description
Technical field
The present invention relates to a kind of oil filter, the oil filter of particularly a kind of easy access.
Background technique
For ensureing the cleaning of hydraulic oil, the main oil return circuit of hydraulic system of construction equipment has installed oil filter usually.Some equipment needs because of structure, and main oil return circuit is by two oil pipe oil sump tanks in parallel.When inspection and when changing any one oil return filter core, the hydraulic oil of fuel tank can be poured in down a chimney by this filter core and an other return line in parallel and flows out, and causes hydraulic oil to waste.As: adopt the hydraulic oil draining fuel tank to reexamine the method process of more renew cartridge, then can produce larger workload.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of oil filter of easy access, can disconnect the hydraulic circuit at oil purifier two ends, can improve work efficiency, avoid hydraulic oil to waste while maintenance oil purifier, cost-saving; And it is ingenious to arrange structure, be easy to make, easy to operate, reliability is high.
The technological scheme that the present invention takes is: a kind of oil filter of easy access, comprise filter core, movable stop valve spool, described filter core top is provided with fixing seat of stop valve, fixing stop valve spool, and filter core top presses closer fixing seat of stop valve, filter core bottom holds out against movable stop valve spool.Described filter core outside is provided with the first housing, and the first hull outside face is provided with oil inlet pipe, and the first case top is provided with closure fange body.Described first housing bottom is provided with connecting flange body, and described connecting flange body bottom is provided with the second housing, and described second outside is provided with return tube, and described second housing bottom is provided with lower closure fange body.Described lower closure fange body is provided with directional post, directional post overcoat return spring, in the middle part of directional post, return spring embedding activity stop valve spool.
Described upper closure fange body is consisted of Bolt Connection second closure fange the first closure fange, and described fixing stop valve spool is through the first closure fange and the second closure fange.
Described fixing seat of stop valve is connected to the internal face of the first housing, and the oil inlet pipe mouth of pipe is higher than fixing seat of stop valve.
Described connecting flange body is consisted of Bolt Connection second connecting flange the first connecting flange, and the first connecting flange is positioned at the first housing bottom, and the second connecting flange is positioned at the second case top.
Described lower closure fange body is consisted of Bolt Connection the 4th closure fange the 3rd closure fange, and the 3rd closure fange is connected to outside the second housing bottom.
Seal cap is arranged at described fixing stop valve spool top, the second closure fange end face.
Described first connecting flange, the second closure fange, the 4th closure fange, movable stop valve spool are provided with " O " RunddichtringO.
The seam length of described second connecting flange is greater than the unlatching length of movable stop valve spool.
Described directional post length is greater than described movable stop valve valve core length.
Described movable stop valve valve core housing is connected in connecting flange body.
As the oil-feed method of the oil filter of above-mentioned a kind of easy access, fixing stop valve spool revolves, and open with fixing seat of stop valve, oil inlet pipe is in connected state; Fixing stop valve spool backspin, close with fixing seat of stop valve, oil inlet pipe is in closed state.
As the oil return method of the oil filter of above-mentioned a kind of easy access, the attachment bolt of the first connecting flange and the second connecting flange is tightened, and return tube is in connected state; The attachment bolt of the first connecting flange and the second connecting flange unclamps, and return tube is in closed state.
The oil filter of a kind of easy access of the present invention, checking more while renew cartridge, can close the oil duct at oil purifier two ends, preventing the hydraulic oil of fuel tank and hydraulic system from flowing out, cause oil plant to waste.Have easy to operate, the feature that reliability is high, and little, the easy peace of device volume is torn open, oil strain is effective, can reduce environmental pollution, reduce oil consumption, cost-saving.Be particularly useful for the situation that the oil purifier effect that equipment carries is undesirable, need external oil purifier, particularly when hydraulic system element installing space is limited, this device advantage is more outstanding.
Accompanying drawing explanation
Fig. 1 is the main TV structure figure of the present invention and opening state schematic diagram.
Fig. 2 is the structural representation of inventive closure state.
Fig. 3 is filter element replacing view of the present invention.
Embodiment
As shown in Fig. 1 ~ Fig. 3, a kind of oil filter of easy access, comprise filter core 7, movable stop valve spool 8, described filter core 7 top is provided with fixing seat of stop valve 9, fixing stop valve spool 11, and filter core 7 top presses closer fixing seat of stop valve 9, filter core 7 bottom holds out against movable stop valve spool 8.Described filter core 7 outside is provided with the first housing 3, first housing 3 outer side surface and is provided with oil inlet pipe 5, and the first housing 3 top is provided with closure fange body.Be provided with connecting flange body bottom described first housing 3, described connecting flange body bottom is provided with the second housing 4, and described second housing 4 outside is provided with return tube 6, is provided with lower closure fange body bottom described second housing 4.Described lower closure fange body is provided with directional post 12, and directional post 12 overcoat return spring 10, directional post 12, return spring 10 are embedded in the middle part of movable stop valve spool 8.Described fixing seat of stop valve 9 is connected to the internal face of the first housing 3, and oil inlet pipe 5 mouth of pipe is higher than fixing seat of stop valve 9.It is 3cm ~ 5cm that described directional post 12 exceeds described movable stop valve spool 8 length.
Described upper closure fange body by: formed by Bolt Connection between the first closure fange 13, second closure fange 14, described fixing stop valve spool 11 is through the first closure fange 13 and the second closure fange 14.
Described connecting flange body by: the first connecting flange 1, second connecting flange 2 is socketed and is formed by Bolt Connection, and the first connecting flange 1 is positioned at bottom the first housing 3, and the second connecting flange 2 is positioned at the second housing 4 top.Described lower closure fange body by: formed by Bolt Connection between the 3rd closure fange 15, the 4th closure fange 16, the 3rd closure fange 15 is connected to the second housing 4 bottom outside.Described movable stop valve spool 8 is socketed in the second connecting flange 2 of connecting flange body.
Seal cap 17 is arranged at described fixing stop valve spool 11 top, the second closure fange 14 end face, is prevent hydraulic oil from spilling from the screw thread of fixing cut-off spool 11.
Described first connecting flange 1, second closure fange 14, the 4th closure fange 16, movable stop valve spool 8 are provided with " O " RunddichtringO 18 of different size, are prevent hydraulic oil from revealing.
The seam length of described second connecting flange 2 is greater than the unlatching length of movable stop valve spool 8, this device seam length 55mm, the preferred 25mm of unlatching length of movable stop valve spool 8.
First housing 3, second housing 4 is drum-shaped structure.
Described filter core 7, fixing seat of stop valve 9, fixing stop valve spool 11, first housing 3, oil inlet pipe 5, first closure fange 13, second closure fange 14, seal cap 17, first connecting flange 1 form the oil-feed portion of this device.Described second connecting flange 2, second housing 4, return tube 6, the 3rd closure fange 15, the 4th closure fange 16, directional post 12, return spring 10, movable stop valve spool 8 form the oil return portion of this device.
Implementation step:
As shown in Figure 1, oil inlet pipe 5 and return tube 6 are connected with the main oil return circuit of equipment, open fixing stop valve spool 11 revolves with fixing seat of stop valve 9, oil-feed portion is in connected state, and by the second closure fange 14 end face seal cap 17 installation in position, prevent hydraulic oil from leaking outside.The attachment bolt of the first connecting flange 1, second connecting flange 2 is tightened, second connecting flange 2 throws off certain interval with movable stop valve spool 8, namely opening state is formed, oil return portion is in connected state, and " O " RunddichtringO 18 that now the second closure fange 14, the 4th closure fange 16, movable stop valve spool 8 are arranged can prevent hydraulic oil from leaking outside.The main oil return circuit of whole like this device and equipment is connected, and carries out oil strain work by the filter core 7 in device.
As shown in Figure 2, when needs overhaul, remove the second closure fange 14 end face seal cap 17, fixing stop valve spool 11 backspin and fixing seat of stop valve 9 are closed, recover the second closure fange 14 end face seal cap 17, namely oil inlet pipe 5 is in closed state.The attachment bolt of the first connecting flange 1, second connecting flange 2 is unclamped, the oil-feed portion entirety of this device is moved up, in the process that moves up, oil return portion is still in connected state, and the seal ring due to the first connecting flange 1 serves the effect of sealing, and hydraulic oil cannot spill; Length (now oil-feed portion is not separated completely with oil return portion) is opened when mobile being highly greater than, movable stop valve spool 8 top loses the impacting force of filter core 7 gradually, movable stop valve spool 8 holds out against on the second connecting flange 2 by return spring 10, and namely return tube 6 is in closed state.
As shown in Figure 3, finally oil-feed portion is separated completely with oil return portion, oil-feed portion entirety is removed, extract the first connecting flange 1 and filter core 7 out, carry out filter core 7 and change.
Claims (1)
1. the oil filter of an easy access, comprise filter core (7), movable stop valve spool (8), it is characterized in that, described filter core (7) top is provided with fixing seat of stop valve (9), fixing stop valve spool (11), and filter core (7) top presses closer fixing seat of stop valve (9), filter core (7) bottom holds out against movable stop valve spool (8); Described filter core (7) outside is provided with the first housing (3), and the first housing (3) outer side surface is provided with oil inlet pipe (5), and the first housing (3) top is provided with closure fange body; Described first housing (3) bottom is provided with connecting flange body, and described connecting flange body bottom is provided with the second housing (4), and described second housing (4) outside is provided with return tube (6), and described second housing (4) bottom is provided with lower closure fange body; Described lower closure fange body is provided with directional post (12), directional post (12) overcoat return spring (10), directional post (12), return spring (10) embedding activity stop valve spool (8) middle part.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139703.2A CN103939425B (en) | 2014-04-09 | 2014-04-09 | A kind of oil filter of easy access |
| CN201510773418.0A CN105387028B (en) | 2014-04-09 | 2014-04-09 | Oil filter overhauling method |
| CN201510773469.3A CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
| CN201510773630.7A CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139703.2A CN103939425B (en) | 2014-04-09 | 2014-04-09 | A kind of oil filter of easy access |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510773418.0A Division CN105387028B (en) | 2014-04-09 | 2014-04-09 | Oil filter overhauling method |
| CN201510773630.7A Division CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
| CN201510773469.3A Division CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939425A CN103939425A (en) | 2014-07-23 |
| CN103939425B true CN103939425B (en) | 2016-01-20 |
Family
ID=51187251
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410139703.2A Active CN103939425B (en) | 2014-04-09 | 2014-04-09 | A kind of oil filter of easy access |
| CN201510773469.3A Expired - Fee Related CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
| CN201510773418.0A Expired - Fee Related CN105387028B (en) | 2014-04-09 | 2014-04-09 | Oil filter overhauling method |
| CN201510773630.7A Active CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510773469.3A Expired - Fee Related CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
| CN201510773418.0A Expired - Fee Related CN105387028B (en) | 2014-04-09 | 2014-04-09 | Oil filter overhauling method |
| CN201510773630.7A Active CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN103939425B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539205B (en) * | 2020-11-26 | 2021-09-28 | 墨策智能技术(江苏)有限公司 | Multifunctional filter for hydraulic system and assembling method thereof |
| CN113107928B (en) * | 2021-03-31 | 2022-04-19 | 上海亚爵电工成套设备制造有限公司 | High-stability hydraulic system for extruder |
| CN117249153B (en) * | 2023-10-10 | 2024-04-02 | 沂水冠元液压机械有限公司 | Hydraulic oil filter equipment for hydraulic equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971796Y (en) * | 2006-08-01 | 2007-11-07 | 邱永根 | Filter element changable type oil filter |
| CN201260910Y (en) * | 2008-09-04 | 2009-06-24 | 杭州海聚动力科技有限公司 | Novel hydraulic filter for preventing filter element replacement contamination |
| CN201482308U (en) * | 2009-08-27 | 2010-05-26 | 台州信溢农业机械有限公司 | Filter with switch functions |
| CN202182171U (en) * | 2011-07-06 | 2012-04-04 | 上海海立特种制冷设备有限公司 | Double-precision filter for wind generating set gear case lubricating system |
| CN202700145U (en) * | 2012-08-29 | 2013-01-30 | 浙江三田滤清器有限公司 | Oil-water separator with replaceable filter element |
| CN202844761U (en) * | 2012-10-22 | 2013-04-03 | 耿惠敏 | Pre-pressing type air filter with conveniently replaced filter element |
| CN203050842U (en) * | 2013-01-25 | 2013-07-10 | 杭州电子科技大学 | Oil filter with replaceable filter element |
| CN203257500U (en) * | 2013-04-12 | 2013-10-30 | 宁波正利汽车部件有限公司 | Oil filter convenient to assemble |
| CN203847489U (en) * | 2014-04-09 | 2014-09-24 | 中国葛洲坝集团三峡建设工程有限公司 | Oil filtering device convenient to overhaul |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076439U (en) * | 1990-07-31 | 1991-05-08 | 郑文琦 | Combined oil filter outside box |
| CN2128161Y (en) * | 1992-05-05 | 1993-03-17 | 翁煜子 | Self-closing oil suction filter |
| CN2858028Y (en) * | 2005-07-19 | 2007-01-17 | 龚步才 | Continuous mono-filter-tubular hydraulic pressure filter for pipe line |
| CN2851680Y (en) * | 2005-11-19 | 2006-12-27 | 常熟市常福电力机具有限公司 | Hydraulic oil filtering device for hydraulic pumping station |
| US7776215B2 (en) * | 2007-08-15 | 2010-08-17 | Cummins Filtration Ip, Inc. | Flow control valve with plate spring force actuation |
| DE202007012691U1 (en) * | 2007-09-11 | 2009-02-12 | Mann+Hummel Gmbh | Cut filter |
| DE102009050794A1 (en) * | 2009-10-27 | 2011-04-28 | Robert Bosch Gmbh | Suction return filter with dual function valve |
| ES2752009T3 (en) * | 2010-08-06 | 2020-04-02 | General Ecology Inc | Apparatus for filtering and / or conditioning and / or purifying a fluid such as water |
| JP2013000608A (en) * | 2011-06-10 | 2013-01-07 | Komatsu Ltd | Oil filter |
-
2014
- 2014-04-09 CN CN201410139703.2A patent/CN103939425B/en active Active
- 2014-04-09 CN CN201510773469.3A patent/CN105387029B/en not_active Expired - Fee Related
- 2014-04-09 CN CN201510773418.0A patent/CN105387028B/en not_active Expired - Fee Related
- 2014-04-09 CN CN201510773630.7A patent/CN105387030B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971796Y (en) * | 2006-08-01 | 2007-11-07 | 邱永根 | Filter element changable type oil filter |
| CN201260910Y (en) * | 2008-09-04 | 2009-06-24 | 杭州海聚动力科技有限公司 | Novel hydraulic filter for preventing filter element replacement contamination |
| CN201482308U (en) * | 2009-08-27 | 2010-05-26 | 台州信溢农业机械有限公司 | Filter with switch functions |
| CN202182171U (en) * | 2011-07-06 | 2012-04-04 | 上海海立特种制冷设备有限公司 | Double-precision filter for wind generating set gear case lubricating system |
| CN202700145U (en) * | 2012-08-29 | 2013-01-30 | 浙江三田滤清器有限公司 | Oil-water separator with replaceable filter element |
| CN202844761U (en) * | 2012-10-22 | 2013-04-03 | 耿惠敏 | Pre-pressing type air filter with conveniently replaced filter element |
| CN203050842U (en) * | 2013-01-25 | 2013-07-10 | 杭州电子科技大学 | Oil filter with replaceable filter element |
| CN203257500U (en) * | 2013-04-12 | 2013-10-30 | 宁波正利汽车部件有限公司 | Oil filter convenient to assemble |
| CN203847489U (en) * | 2014-04-09 | 2014-09-24 | 中国葛洲坝集团三峡建设工程有限公司 | Oil filtering device convenient to overhaul |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105387029A (en) | 2016-03-09 |
| CN105387030B (en) | 2017-05-10 |
| CN105387030A (en) | 2016-03-09 |
| CN105387029B (en) | 2017-03-29 |
| CN105387028A (en) | 2016-03-09 |
| CN103939425A (en) | 2014-07-23 |
| CN105387028B (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103939425B (en) | A kind of oil filter of easy access | |
| CN202251966U (en) | Oil-water separation sealing structure for barrel valve servomotor of water turbine | |
| CN203847489U (en) | Oil filtering device convenient to overhaul | |
| CN201351642Y (en) | Hydraulic oil tank with oil cooler | |
| CN103644423B (en) | A kind of online hanger device of pipeline | |
| CN201396267Y (en) | Enhanced type pump seal leakage detecting device | |
| CN204941636U (en) | Oil sump jettison gear | |
| CN209259742U (en) | Oil water separator | |
| CN102619815B (en) | Hydraulic system flow collector with bypass function | |
| CN204082740U (en) | A kind of automatic liquid pressure valve | |
| CN203335301U (en) | No-leakage single-cylinder diesel oil tank switch | |
| CN202452029U (en) | Safety pipeline plug device | |
| CN201443337U (en) | Environment-friendly crude oil collector | |
| CN101725592A (en) | Method for preventing hydraulic directional control valve from blocking and braking caused by polluting debris in pipeline in hydraulic system and device thereof | |
| CN205895468U (en) | Be total to marine high pressure fuel pipe of rail | |
| CN205045812U (en) | Mechanical equipment tapping device and removal breaker | |
| CN204437306U (en) | With the High Pressure Difference stop valve of device for filtering impurities | |
| CN201116552Y (en) | Oil-saving anti-pollution oil tank | |
| CN203562265U (en) | Oil conservator | |
| CN203796461U (en) | Diesel engine fuel tank | |
| CN202360512U (en) | Return oil filter | |
| CN201706052U (en) | Clear water composite exhaust valve | |
| CN202965948U (en) | Anti-seepage mining bulldozer diesel oil tank cover | |
| CN203944219U (en) | A kind of crude oil filtration treatment device | |
| CN203264515U (en) | Marine desulfurizing gas buffering tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |