CN105387030B - Hydraulic oil filtering device - Google Patents
Hydraulic oil filtering device Download PDFInfo
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- CN105387030B CN105387030B CN201510773630.7A CN201510773630A CN105387030B CN 105387030 B CN105387030 B CN 105387030B CN 201510773630 A CN201510773630 A CN 201510773630A CN 105387030 B CN105387030 B CN 105387030B
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- 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-filtering apparatus, particularly a kind of hydraulic oil oil-filtering apparatus.
Background technology
To ensure the cleaning of hydraulic oil, the main oil return circuit of hydraulic system of construction equipment has been commonly installed oil-filtering apparatus.Certain
A little equipment need because of structure, and main oil return circuit is the oil pipe oil return box by two parallel connections.When checking and change any one time
During oily filter core, the hydraulic oil of fuel tank can be poured in down a chimney by the return line of the filter core and an other parallel connection and flow out, and cause hydraulic pressure
Oil is wasted.Process as reexamined the method for changing filter core using the hydraulic oil for draining fuel tank, then can produce larger workload.
The content of the invention
The technical problem to be solved is to provide a kind of hydraulic oil oil-filtering apparatus, can be in the same of maintenance oil filter
When, disconnect the hydraulic circuit at oil filter two ends, can improve work efficiency, avoid hydraulic oil from wasting, it is cost-effective；And setting structure is skilful
Wonderful, it is easy to make, easy to operate, reliability is high.
The technical scheme that the present invention takes is：A kind of hydraulic oil oil-filtering apparatus, including filter core, activity cut-off valve core, institute
State filter core top and be provided with fixed seat of stop valve, fixed cut-off valve core, filter core top is pressed closer under fixed seat of stop valve, filter core
Portion holds out against activity cut-off valve core.The first housing is provided with outside the filter core, first shell outside is provided with oil inlet pipe, first shell
Body top is provided with closing flange body.First housing bottom is provided with connection flange body, and the connection flange body bottom is provided with
Second housing, second hull outside is provided with oil return pipe, and second housing bottom is provided with lower closing flange body.The lower envelope
Close flange body and be provided with lead column, lead column overcoat return spring, in the embedded activity cut-off valve core of lead column, return spring
Portion.
The upper closing flange body is closed flange and is constituted by the first closing flange by bolt-connection second, and the fixation cuts
Only valve core is through the first closing flange and the second closing flange.
The fixed 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 fixed stop valve valve
Seat.
The connection flange body couples flange and constitutes by the first connection flange by bolt-connection second, the first connection flange
Positioned at the first housing bottom, the second connection flange is located at the second case top.
The lower closing flange body is closed flange and is constituted by the 3rd closing flange by bolt-connection the 4th, the 3rd closing method
Orchid is connected to the second housing bottom outside.
The fixed cut-off valve core top, the second closing flange top surface have closing cover.
The first connection flange, the second closing flange, the 4th closing flange, activity cut-off valve core are provided with " O "
Type sealing ring.
Unlatching length of the seam length of the second connection flange more than activity cut-off valve core.
The guiding column length is more than the movable stop valve valve core length.
It is blue in vivo that the movable stop valve valve element is socketed in attached method.
As described above a kind of oil-feed method of hydraulic oil oil-filtering apparatus, revolves on fixed cut-off valve core, with fixed stop valve valve
Seat is separated, and oil inlet pipe is in connected state；Fixed cut-off valve core backspin, the fixed seat of stop valve of insertion, oil inlet pipe is in envelope
Closed state.
A kind of oil return method of hydraulic oil oil-filtering apparatus as described above, the first connection flange couples the connection spiral shell of flange with second
Bolt is tightened, and oil return pipe is in connected state；First connection flange couples the attachment bolt of flange with second and unclamps, and oil return pipe is in
Closed state.
A kind of hydraulic oil oil-filtering apparatus of the present invention, can close the oil at oil filter two ends while replacing filter core is checked
Road, the hydraulic oil for preventing fuel tank and hydraulic system flows out, and causes oil plant to waste.With easy to operate, the characteristics of reliability is high, and
Device volume is little, easy peace is torn open, oil filter effect is good, can reduce environmental pollution, reduces oil consumption, cost-effective.It is particularly suited for equipment
The oil filter effect that carries is undesirable, need the situation of external oil filter, is particularly limited in hydraulic system element installing space
In the case of, this device advantage is more projected.
Description of the drawings
Fig. 1 is front view structure figure of the present invention and opening schematic diagram.
Fig. 2 is the structural representation of inventive closure state.
Fig. 3 is filter element replacing view of the present invention.
Specific embodiment
As shown in Fig. 1 ~ Fig. 3, a kind of hydraulic oil oil-filtering apparatus, including filter core 7, activity cut-off valve core 8, the filter core 7
Top is provided with fixed seat of stop valve 9, fixed cut-off valve core 11, and the top of filter core 7 is pressed closer under fixed seat of stop valve 9, filter core 7
Portion holds out against activity cut-off valve core 8.The first housing 3 is provided with outside the filter core 7, the lateral surface of the first housing 3 is provided with oil inlet pipe 5,
The top of first housing 3 is provided with closing flange body.The bottom of first housing 3 is provided with connection flange body, the connection flange body
Bottom is provided with the second housing 4, and oil return pipe 6 is provided with outside second housing 4, and the bottom of the second housing 4 is provided with lower closing method
Lan Ti.The lower closing flange body is provided with lead column 12, the overcoat return spring 10 of lead column 12, lead column 12, return spring
10 are embedded in the middle part of activity cut-off valve core 8.The fixed seat of stop valve 9 is connected to the internal face of the first housing 3, oil inlet pipe
5 mouths of pipe are higher than fixed seat of stop valve 9.The lead column 12 is 3cm～5cm beyond activity cut-off valve core 8 length.
It is described it is upper closing flange body by：Formed by bolt-connection between the first closing closing flange 14 of flange 13, second,
The fixed cut-off valve core 11 is through the first closing closing flange 14 of flange 13 and second.
It is described connection flange body by：The first connection connection flange 2 of flange 1, second is socketed and is formed by bolt-connection,
First connection flange 1 is located at the bottom of the first housing 3, and the second connection flange 2 is located at the top of the second housing 4.The lower closing flange
Body by：Formed by bolt-connection between the 3rd closing closing flange 16 of flange the 15, the 4th, the 3rd closing flange 15 is connected to the
The bottom outside of two housing 4.The activity cut-off valve core 8 is socketed in the second connection flange 2 of connection flange body.
Fixed cut-off valve core 11 top, the second closing top surface of flange 14 have closing cover 17, it is therefore an objective to prevent hydraulic pressure
Oil spills from the screw thread of fixed cut-off valve element 11.
First connection flange 1, the second closing closing flange 16 of flange the 14, the 4th, activity cut-off valve core 8 are respectively provided with
There is " O " the type sealing ring 18 of different size, it is therefore an objective to prevent hydraulic oil from revealing.
The seam length of the second connection flange 2 ends the unlatching length of valve core 8 more than activity, and this device seam is long
Degree 55mm, the preferred 25mm of unlatching length of activity cut-off valve core 8.
First housing 3, the second housing 4 are drum-shaped structure.
The filter core 7, fixed seat of stop valve 9, fixed cut-off valve core 11, the first housing 3, oil inlet pipe 5, first are closed
The closing flange 14 of flange 13, second, the connection flange 1 of closing cover 17, first constitute the oil-feed portion of the device.Second attached method
Blue 2, second housing 4, the closing closing flange 16 of flange the 15, the 4th of oil return pipe the 6, the 3rd, lead column 12, return spring 10, activity
Cut-off valve core 8 constitutes the oil return portion of the device.
Implementation steps：
As shown in figure 1, oil inlet pipe 5 and oil return pipe 6 are connected with the main oil return circuit of equipment, by fixed cut-off valve core 11
Upper rotation is separated with fixed seat of stop valve 9, and oil-feed portion is in connected state, and the second closing top surface closing cover 17 of flange 14 is pacified
Fill in place, prevent hydraulic oil from leaking outside.The attachment bolt of the first connection connection flange 2 of flange 1, second is tightened, the second attached method
Blue 2 disengage certain interval with activity cut-off valve core 8, that is, form opening, and oil return portion is in connected state, now the second envelope
Close the closing flange 16 of flange the 14, the 4th, " O " the type sealing ring 18 that activity cut-off valve core 8 is arranged can prevent hydraulic oil from leaking outside.This
Sample whole device is connected with the main oil return circuit of equipment, and by the filter core 7 in device oil strain work is carried out.
As shown in Fig. 2 when maintenance is needed, remove second and close the top surface closing cover 17 of flange 14, by fixed stop valve valve
The backspin of core 11, the fixed seat of stop valve 9 of insertion recovers second and closes the top surface closing cover 17 of flange 14, and oil inlet pipe 5 is i.e. in closing
State.The attachment bolt of the first connection connection flange 2 of flange 1, second is unclamped, the oil-feed portion of the device is integrally moved upwards
Dynamic, oil return portion is still within connected state during moving up, because the sealing ring of the first connection flange 1 serves sealing
Effect, hydraulic oil cannot spill；When mobile height is more than unlatching length（Both now oil-feed portion and oil return portion do not divide completely
From）, movable to end the thrust that the top of valve core 8 gradually loses filter core 7, return spring 10 holds out against activity cut-off valve core 8
On the second connection flange 2, oil return pipe 6 is in closed state.
As shown in figure 3, being finally kept completely separate in oil-feed portion and oil return portion, oil-feed portion is integrally removed, extract first out and couple
Flange 1 and filter core 7, carry out filter core 7 and change.
Claims (6)
1. a kind of hydraulic oil oil-filtering apparatus, including filter core（7）, activity cut-off valve core（8）, it is characterised in that the filter core（7）
Top is provided with fixed seat of stop valve（9）, fixed cut-off valve core（11）, filter core（7）Top presses closer fixed seat of stop valve
（9）, filter core（7）Bottom holds out against activity cut-off valve core（8）；The filter core（7）Outside is provided with the first housing（3）, the first housing
（3）Lateral surface is provided with oil inlet pipe（5）, the first housing（3）Top is provided with closing flange body；First housing（3）Bottom sets
There is connection flange body, the connection flange body bottom is provided with the second housing（4）, second housing（4）Outside is provided with oil return pipe
（6）, second housing（4）Bottom is provided with lower closing flange body；The lower closing flange body is provided with lead column（12）, it is oriented to
Post（12）Overcoat return spring（10）, lead column（12）, return spring（10）Embedded activity cut-off valve core（8）Middle part, it is described
Upper closing flange body is by the first closing flange（13）Flange is closed by bolt-connection second（14）Constitute, the fixed stop valve
Valve element（11）Through the first closing flange（13）With the second closing flange（14）.
2. a kind of hydraulic oil oil-filtering apparatus according to claim 1, it is characterised in that fixed cut-off valve core（11）Top,
Second closing flange（14）Top surface has closing cover（17）.
3. a kind of hydraulic oil oil-filtering apparatus according to claim 1, it is characterised in that the fixed seat of stop valve（9）Even
It is connected on the first housing（3）Internal face, oil inlet pipe（5）The mouth of pipe is higher than fixed seat of stop valve（9）.
4. a kind of hydraulic oil oil-filtering apparatus according to claim 1, it is characterised in that the connection flange body is by the first connection
Flange（1）Flange is coupled by bolt-connection second（2）Constitute, the first connection flange（1）Positioned at the first housing（3）Bottom, the
Bigeminy acting flange（2）Positioned at the second housing（4）Top.
5. a kind of hydraulic oil oil-filtering apparatus according to claim 1, it is characterised in that the lower closing flange body is by the 3rd envelope
Close flange（15）Flange is closed by bolt-connection the 4th（16）Constitute, the 3rd closing flange（15）It is connected to the second housing（4）
Bottom outside.
6. a kind of hydraulic oil oil-filtering apparatus according to claim 1, it is characterised in that the first connection flange（1）, second closing
Flange（14）, the 4th closing flange（16）, activity cut-off valve core（8）It is provided with " O " type sealing ring（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 |
|---|---|---|---|
| CN201410139703.2A CN103939425B (en) | 2014-04-09 | 2014-04-09 | A kind of oil filter of easy access |
| CN201510773630.7A CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
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 CN105387030A (en) | 2016-03-09 |
| CN105387030B true CN105387030B (en) | 2017-05-10 |
Family
ID=51187251
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510773630.7A Active CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
| 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 |
| CN201510773469.3A Expired - Fee Related CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
Family Applications After (3)
| 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 |
| 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) | CN105387030B (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 |
Family Cites Families (18)
| 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 |
| 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 |
| 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 |
| DE102009050794A1 (en) * | 2009-10-27 | 2011-04-28 | Robert Bosch Gmbh | Suction return filter with dual function valve |
| CN103153872B (en) * | 2010-08-06 | 2014-12-17 | 通用生态公司 | 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 |
| 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 CN201510773630.7A patent/CN105387030B/en active Active
- 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 CN201510773469.3A patent/CN105387029B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105387030A (en) | 2016-03-09 |
| CN105387028A (en) | 2016-03-09 |
| CN105387028B (en) | 2017-05-10 |
| CN103939425B (en) | 2016-01-20 |
| CN105387029A (en) | 2016-03-09 |
| CN105387029B (en) | 2017-03-29 |
| CN103939425A (en) | 2014-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| 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 |