CN105387030A - Hydraulic oil filtering device - Google Patents
Hydraulic oil filtering device Download PDFInfo
- Publication number
- CN105387030A CN105387030A CN201510773630.7A CN201510773630A CN105387030A CN 105387030 A CN105387030 A CN 105387030A CN 201510773630 A CN201510773630 A CN 201510773630A CN 105387030 A CN105387030 A CN 105387030A
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- China
- Prior art keywords
- stop valve
- housing
- connecting flange
- closure fange
- oil
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- 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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- Filtration Of Liquid (AREA)
- Details Of Valves (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a hydraulic oil filtering device. The hydraulic oil filtering device comprises a filter element and a movable-stop-valve valve element. A fixed-stop-valve valve base and a fixed-stop-valve valve element are arranged at the upper portion of the filter element, the upper portion of the filter element abuts against the fixed-stop-valve valve base, and the lower portion of the filter element abuts against the movable-stop-valve valve element. A first shell is arranged outside the filter element, an oil inlet pipe is arranged on the outer side face of the first shell, and an upper sealing flange is arranged at the top of the first shell. A connecting flange is arranged at the bottom of the first shell, a second shell is arranged at the lower portion of the connecting flange, an oil return pipe is arranged outside the second shell, and a lower sealing flange is arranged at the bottom of the second shell. A guide column is arranged on the lower sealing flange and sleeved with a return spring, and the guide column and the return spring are embedded into the middle of the movable-stop-valve valve element. By means of the hydraulic oil filtering device, hydraulic oil ways at the two ends of an oil filter can be disconnected while the oil filter is overhauled, and cost can be saved; and arrangement and operation are convenient, and reliability is high.
Description
Technical field
The present invention relates to a kind of oil filter, particularly a kind of hydraulic oil oil filter.
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 the method process adopting the hydraulic oil draining fuel tank to reexamine 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 hydraulic oil oil filter, 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 hydraulic oil oil filter, 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 above-mentioned a kind of hydraulic oil oil filter, 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 above-mentioned a kind of hydraulic oil oil filter, 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.
A kind of hydraulic oil oil filter 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 hydraulic oil oil filter, 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, and object prevents 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, and object prevents 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 (6)
1. a hydraulic oil oil filter, 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, described upper closure fange body is consisted of Bolt Connection second closure fange (14) the first closure fange (13), and described fixing stop valve spool (11) is through the first closure fange (13) and the second closure fange (14).
2. a kind of hydraulic oil oil filter according to claim 1, is characterized in that, seal cap (17) is arranged at fixing stop valve spool (11) top, the second closure fange (14) end face.
3. a kind of hydraulic oil oil filter according to claim 1, it is characterized in that, 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).
4. a kind of hydraulic oil oil filter according to claim 1, it is characterized in that, described connecting flange body is consisted of Bolt Connection second connecting flange (2) the first connecting flange (1), first connecting flange (1) is positioned at the first housing (3) bottom, and the second connecting flange (2) is positioned at the second housing (4) top.
5. a kind of hydraulic oil oil filter according to claim 1, it is characterized in that, described lower closure fange body is consisted of Bolt Connection the 4th closure fange (16) the 3rd closure fange (15), and the 3rd closure fange (15) is connected to the second housing (4) bottom outside.
6. a kind of hydraulic oil oil filter according to claim 1, it is characterized in that, the first connecting flange (1), the second closure fange (14), the 4th closure fange (16), movable stop valve spool (8) are provided with " O " RunddichtringO (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773630.7A CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773630.7A CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
| CN201410139703.2A CN103939425B (en) | 2014-04-09 | 2014-04-09 | A kind of oil filter of easy access |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410139703.2A Division CN103939425B (en) | 2014-04-09 | 2014-04-09 | A kind of oil filter of easy access |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105387030A true CN105387030A (en) | 2016-03-09 |
| CN105387030B CN105387030B (en) | 2017-05-10 |
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 |
| 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 |
| CN201510773469.3A Expired - Fee Related CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
Family Applications Before (2)
| 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 |
| CN201510773418.0A Expired - Fee Related CN105387028B (en) | 2014-04-09 | 2014-04-09 | Oil filter overhauling method |
Family Applications After (1)
| 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 |
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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| WO2011050872A1 (en) * | 2009-10-27 | 2011-05-05 | Robert Bosch Gmbh | Suction/return filter having a dual-function valve |
| WO2012018321A1 (en) * | 2010-08-06 | 2012-02-09 | General Ecology, Inc. | Apparatus for filtering and/or conditioning and/or purifying a fluid such as water |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2076439U (en) * | 1990-07-31 | 1991-05-08 | 郑文琦 | Combined oil filter outside box |
| 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 |
| CN200971796Y (en) * | 2006-08-01 | 2007-11-07 | 邱永根 | Filter element changable type oil filter |
| 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 |
| CN201482308U (en) * | 2009-08-27 | 2010-05-26 | 台州信溢农业机械有限公司 | Filter with switch functions |
| JP2013000608A (en) * | 2011-06-10 | 2013-01-07 | Komatsu Ltd | Oil filter |
| 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 |
-
2014
- 2014-04-09 CN CN201410139703.2A patent/CN103939425B/en active Active
- 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
- 2014-04-09 CN CN201510773469.3A patent/CN105387029B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| WO2011050872A1 (en) * | 2009-10-27 | 2011-05-05 | Robert Bosch Gmbh | Suction/return filter having a dual-function valve |
| WO2012018321A1 (en) * | 2010-08-06 | 2012-02-09 | General Ecology, Inc. | Apparatus for filtering and/or conditioning and/or purifying a fluid such as water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105387030B (en) | 2017-05-10 |
| CN105387028B (en) | 2017-05-10 |
| CN105387029A (en) | 2016-03-09 |
| CN105387029B (en) | 2017-03-29 |
| CN105387028A (en) | 2016-03-09 |
| CN103939425A (en) | 2014-07-23 |
| CN103939425B (en) | 2016-01-20 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Jiaquan Inventor after: Zhan Jianxia Inventor after: Yuan Junfeng Inventor after: Wang Wenliang Inventor after: Xiao Chuanyong Inventor after: Zhang Junxia Inventor after: Li Xiaoping Inventor after: Yang Fuying Inventor before: Huang Jiaquan Inventor before: Zhan Jianxia Inventor before: Wang Wenliang Inventor before: Xiao Chuanyong Inventor before: Zhang Junxia Inventor before: Li Xiaoping Inventor before: Yang Fuying |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170116 Address after: 443000 Dongshan Avenue, Hubei, Yichang, No. 11 Applicant after: CHINA GEZHOUBA GROUP THREE GORGES CONSTRUCTION ENGINEERING CO., LTD. Applicant after: China Energy Construction Group Science and Technology Development Co., Ltd. Address before: 443000 Dongshan Avenue, Hubei, Yichang, No. 11 Applicant before: CHINA GEZHOUBA GROUP THREE GORGES CONSTRUCTION ENGINEERING CO., LTD. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |