CN105387029B - A kind of oil-filtering apparatus - Google Patents
A kind of oil-filtering apparatus Download PDFInfo
- Publication number
- CN105387029B CN105387029B CN201510773469.3A CN201510773469A CN105387029B CN 105387029 B CN105387029 B CN 105387029B CN 201510773469 A CN201510773469 A CN 201510773469A CN 105387029 B CN105387029 B CN 105387029B
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- CN
- China
- Prior art keywords
- flange
- housing
- valve core
- oil
- connection
- 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.)
- Expired - Fee Related
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- Filtration Of Liquid (AREA)
- Details Of Valves (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
A kind of oil-filtering apparatus, including filter element, activity cut-off valve core, the filter element top are provided with fixed seat of stop valve, fixed cut-off valve core, and filter element top presses closer fixed seat of stop valve, filter element bottom and holds out against activity cut-off valve core.The first housing is provided with outside the filter element, first shell outside is provided with oil inlet pipe, and the first case 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 the second housing, and second hull outside is provided with oil return pipe, and second housing bottom is provided with lower closing flange body.The lower closing flange body is provided with lead column, lead column overcoat return spring, and lead column, return spring are embedded in the middle part of activity cut-off valve core.The present invention while oil filter is overhauled, can disconnect the hydraulic circuit at oil filter two ends, can be with cost-effective；And arranging easy to operate, reliability is high.
Description
Technical field
The present invention relates to a kind of apparatus for examination and repair, particularly a kind of 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 are needed because of structure, and main oil return circuit is by two oil pipe oil sump tanks in parallel.When checking and change any one time
During oily filter element, the hydraulic oil of fuel tank can be poured in down a chimney by the filter element and an other return line in parallel and flow out, and cause hydraulic pressure
Oil is wasted.Process as the method for changing filter element is reexamined 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 oil-filtering apparatus, can break while oil filter is overhauled
Open the hydraulic circuit at oil filter two ends, can improve work efficiency, avoid hydraulic oil waste, it is cost-effective；And setting structure is ingenious, easily
In making, easy to operate, reliability is high.
The technical scheme that the present invention takes is：A kind of oil-filtering apparatus, including filter element, activity cut-off valve core, the filter element
Top is provided with fixed seat of stop valve, fixed cut-off valve core, and filter element top presses closer fixed seat of stop valve, filter element bottom and holds out against
Activity cut-off valve core.The first housing is provided with outside the filter element, first shell outside is provided with oil inlet pipe, the first case top
It 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 shell
Body, second hull outside are provided with oil return pipe, and second housing bottom is provided with lower closing flange body.The lower closing flange
Body is provided with lead column, lead column overcoat return spring, in the middle part of the embedded activity cut-off valve core of lead column, return spring.
The upper closing flange body is closed flange by bolt-connection second by the first closing flange and is constituted, 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 by bolt-connection second by the first connection flange and constitutes, 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 by bolt-connection the 4th by the 3rd closing flange and is constituted, 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.
A kind of oil-feed method of oil-filtering apparatus, is revolved on fixed cut-off valve core, is opened with fixed seat of stop valve as described above,
Oil inlet pipe is in connected state；Fixed cut-off valve core backspin, with fixed seat of stop valve closure, oil inlet pipe is in closed
State.
A kind of oil return method of oil-filtering apparatus as described above, the attachment bolt that the first connection flange couples flange with second are stubborn
Tightly, oil return pipe is in connected state；First connection flange couples the attachment bolt of flange and unclamps with second, and oil return pipe is in closing
State.
A kind of oil-filtering apparatus of the present invention, while replacing filter element is checked can close the oil duct at oil filter two ends, prevent
The hydraulic oil of fuel tank and hydraulic system flows out, and causes oil plant to waste.With easy to operate, the characteristics of reliability is high, and apparatus body
Product is little, easy peace is torn open, oil filter effect is good, can reduce environmental pollution, reduce oil consumption, cost-effective.It is particularly suited for what equipment was carried
Oil filter effect is undesirable, need the situation of external oil filter, particularly in the case where hydraulic system element installing space is limited,
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 oil-filtering apparatus, including filter element 7, activity cut-off valve core 8,7 top of the filter element sets
There are fixed seat of stop valve 9, fixed cut-off valve core 11,7 top of filter element presses closer fixed seat of stop valve 9,7 bottom of filter element and holds out against
Activity cut-off valve core 8.The first housing 3 is provided with outside the filter element 7,3 lateral surface of the first housing is provided with oil inlet pipe 5, first shell
Closing flange body is provided with the top of body 3.First housing, 3 bottom is provided with connection flange body, and the connection flange body bottom sets
There is the second housing 4, outside second housing 4, be provided with oil return pipe 6,4 bottom of the second housing is provided with lower closing flange body.Institute
State lower closing flange body and be provided with lead column 12,12 overcoat return spring 10 of lead column, lead column 12, return spring 10 are embedded in
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, and 5 mouth of pipe of oil inlet pipe is high
In fixed seat of stop valve 9.The lead column 12 is 3cm～5cm beyond 8 length of the activity cut-off valve core.
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 flange 13 and the second closing flange 14.
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 3 bottom of the first housing, 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
Two housings, 4 bottom outside.The activity cut-off valve core 8 is socketed in the second connection flange 2 of connection flange body.
11 top of the fixed cut-off valve core, the second closing 14 top surface of flange have closing cover 17, be prevent hydraulic oil from
Spill at 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, be to prevent hydraulic oil from revealing.
Unlatching length of the seam length of the second connection flange 2 more than activity cut-off valve core 8, this device seam are 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 element 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, by oil inlet pipe 5 and oil return pipe 6 and the main oil return circuit connection of equipment, fixed valve core 11 will be ended
Upper rotation is opened with fixed seat of stop valve 9, and oil-feed portion is in connected state, and the second closing 14 top surface closing cover 17 of flange 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 and the main oil return circuit connection of equipment, carry out oil strain work by the filter element 7 in device.
As shown in Fig. 2 when maintenance is needed, remove second and close 14 top surface closing cover 17 of flange, will fixed stop valve valve
11 backspin of core is closed with fixed seat of stop valve 9, is recovered second and is closed 14 top surface closing cover 17 of flange, and oil inlet pipe 5 is i.e. in envelope
Closed 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, during moving up, oil return portion is still within connected state, as 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 8 top of valve core gradually loses filter element 7, activity cut-off valve core 8 is held out against by return spring 10
On the second connection flange 2, oil return pipe 6 is in closed state.
As shown in figure 3, being finally kept completely separate oil-feed portion and oil return portion, oil-feed portion is integrally removed, extract first out and couple
Flange 1 and filter element 7, carry out filter element 7 and change.
Claims (2)
1. a kind of oil-filtering apparatus, including filter element（7）, activity cut-off valve core（8）, it is characterised in that：The filter element（7）Top sets
There is fixed seat of stop valve（9）, fixed cut-off valve core（11）, filter element（7）Top presses closer fixed seat of stop valve（9）, filter element
（7）Bottom holds out against activity cut-off valve core（8）；The filter element（7）Outside is provided with the first housing（3）, the first housing（3）Lateral surface
It is provided with oil inlet pipe（5）, the first housing（3）Top is provided with closing flange body；First housing（3）Bottom is provided with connection flange
Body, the connection flange body bottom are provided with the second housing（4）, second housing（4）Outside is provided with oil return pipe（6）, described
Two housings（4）Bottom is provided with lower closing flange body；The lower closing flange body is provided with lead column（12）, lead column（12）Overcoat
Return spring（10）, lead column（12）, return spring（10）Embedded activity cut-off valve core（8）Middle part, the upper closing flange
Body is by the first closing flange（13）Flange is closed by bolt-connection second（14）Constitute, the fixed cut-off valve core（11）Wear
Cross the first closing flange（13）With the second closing flange（14）, fixed cut-off valve core（11）Top, the second closing flange（14）
Top surface has closing cover（17）, the fixed seat of stop valve（9）It is connected to the first housing（3）Internal face, oil inlet pipe（5）The mouth of pipe
Higher than fixed seat of stop valve（9）, 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 second connection flange（2）Positioned at the second housing（4）Top
Portion, the lower closing flange body is by the 3rd closing flange（15）Flange is closed by bolt-connection the 4th（16）Constitute, the 3rd envelope
Close flange（15）It is connected to the second housing（4）Bottom outside, 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）, the lead column（12）Length is more than described
Activity cut-off valve core（8）Length, the second connection flange（2）Seam length more than activity cut-off valve core（8）Unlatching it is long
Degree, the activity cut-off valve core（8）It is socketed in connection flange body.
2. a kind of oil-filtering apparatus according to claim 1, it is characterised in that：First housing（3）, the second housing（4）For drum
Shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773469.3A CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773469.3A CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
| 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 |
|---|---|
| CN105387029A CN105387029A (en) | 2016-03-09 |
| CN105387029B true CN105387029B (en) | 2017-03-29 |
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 |
| CN201510773469.3A Expired - Fee Related CN105387029B (en) | 2014-04-09 | 2014-04-09 | A kind of oil-filtering apparatus |
| CN201510773630.7A Active CN105387030B (en) | 2014-04-09 | 2014-04-09 | Hydraulic oil filtering device |
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 |
|---|---|---|---|
| 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 (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076439U (en) * | 1990-07-31 | 1991-05-08 | 郑文琦 | Combined oil filtering device outside box |
| CN2128161Y (en) * | 1992-05-05 | 1993-03-17 | 翁煜子 | Self-closing oil suction filter |
| 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 |
| 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 |
| CN201482308U (en) * | 2009-08-27 | 2010-05-26 | 台州信溢农业机械有限公司 | Filter with switch functions |
| CN101779011A (en) * | 2007-08-15 | 2010-07-14 | 康明斯过滤Ip公司 | The flow control valve that the band plate spring drives |
| DE102009050794A1 (en) * | 2009-10-27 | 2011-04-28 | Robert Bosch Gmbh | Suction return filter with dual function valve |
| JP2013000608A (en) * | 2011-06-10 | 2013-01-07 | Komatsu Ltd | Oil filter |
| CN103153872A (en) * | 2010-08-06 | 2013-06-12 | 通用生态公司 | Apparatus for filtering and/or conditioning and/or purifying a fluid such as water |
Family Cites Families (8)
| 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 |
| DE202007012691U1 (en) * | 2007-09-11 | 2009-02-12 | Mann+Hummel Gmbh | Cut 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 CN201510773469.3A patent/CN105387029B/en not_active Expired - Fee Related
- 2014-04-09 CN CN201510773630.7A patent/CN105387030B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076439U (en) * | 1990-07-31 | 1991-05-08 | 郑文琦 | Combined oil filtering device 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 |
| CN101779011A (en) * | 2007-08-15 | 2010-07-14 | 康明斯过滤Ip公司 | The flow control valve that the band plate spring drives |
| 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 |
| CN103153872A (en) * | 2010-08-06 | 2013-06-12 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105387028B (en) | 2017-05-10 |
| CN103939425B (en) | 2016-01-20 |
| CN105387030B (en) | 2017-05-10 |
| CN105387029A (en) | 2016-03-09 |
| CN105387030A (en) | 2016-03-09 |
| CN105387028A (en) | 2016-03-09 |
| CN103939425A (en) | 2014-07-23 |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |