CN109505677A - A kind of oil returning valve structure of gs-oil separator - Google Patents
A kind of oil returning valve structure of gs-oil separator Download PDFInfo
- Publication number
- CN109505677A CN109505677A CN201811480841.1A CN201811480841A CN109505677A CN 109505677 A CN109505677 A CN 109505677A CN 201811480841 A CN201811480841 A CN 201811480841A CN 109505677 A CN109505677 A CN 109505677A
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- Prior art keywords
- valve
- oil
- block
- return pipe
- oil return
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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.)
- Pending
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- 238000000926 separation method Methods 0.000 claims abstract description 17
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 230000000630 rising effect Effects 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 55
- 239000007789 gas Substances 0.000 abstract description 43
- 239000003921 oil Substances 0.000 description 114
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M2013/0038—Layout of crankcase breathing systems
- F01M2013/0044—Layout of crankcase breathing systems with one or more valves
Abstract
The present invention provides a kind of oil returning valve structures of gs-oil separator, are related to a kind of oil return pipe.It solves the problems, such as that oil return pipe is unfavorable for oil return in the prior art and crank case gases are easy to leak along oil return pipe.The oil return pipe of this gs-oil separator, including oil return pipe, the oil return pipe oil inlet end and oil-gas separation chamber connection, the oil return pipe oil outlet and crankcase connection, the first valve is set gradually from oil return pipe oil inlet end to oil return pipe oil outlet, second valve, first valve block of the first valve is located at the top of the first valve seat, second valve block of the second valve is located at the lower section of the second valve seat, first valve block and the second valve block are connected on same root valve rod, the upper end of the valve rod connects floating ball, first valve block and the second valve block are umbrella shape valve block, floating ball rising can open the first valve and close the second valve, floating ball decline can close the first valve and open the second valve.The present invention has multistage excessive oil return valve, and improving airtightness prevents crankcase gas blowby, and structure is simple.
Description
Technical field
The invention belongs to technical field of automobile engine, are related to a kind of gs-oil separator, especially a kind of gs-oil separator
Oil returning valve structure.
Background technique
When the engine operates, a small amount of machine oil can be brought into combustion chambers burn by the gas of crankcase, since machine oil cannot
Completely burned causes exhaust gas that can have a negative impact to engine exhaust and environment.Therefore, it is necessary to oil-gas separation efficiency is promoted,
To isolate more machine oil cocurrent oil return bottom cases from crankcase waste gas.Exhaust gas flows through the oil-gas separation chamber on engine bonnet
Oil liquid can flow back into crankcase by the oil return pipe of connection oil-gas separation chamber and crankcase after carrying out the separation of liquid gas.But due to oil
Gas disengagement chamber has certain negative pressure, makes if direct pipeline connection can make the gas of crankcase enter oil-gas separation chamber
At secondary pollution, existing technology, which is that typically on oil return pipe, is arranged check valve, if but this single-phase valve is only simple
The single-phase valve that one umbrella shape valve block is constituted then cannot effectively prevent leaking for gas, and if with more complex check valve meeting
Prevent oil liquid is from smoothly flowing back.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, propose a kind of oil return valve of gs-oil separator
The oil returning valve structure of structure, this gs-oil separator can effectively reduce piston gas blowby, while have the reflux for not influencing oil liquid.
Object of the invention can be realized by the following technical scheme: a kind of oil returning valve structure of gs-oil separator, including
Oil return pipe, the oil return pipe oil inlet end and oil-gas separation chamber connection, the oil return pipe oil outlet and crankcase connection, from oil return pipe
Oil inlet end to oil return pipe oil outlet sets gradually the first valve, the second valve, and the first valve block of the first valve is located at the top of the first valve seat,
Second valve block of the second valve is located at the lower section of the second valve seat, and first valve block and the second valve block are connected on same root valve rod,
The upper end of the valve rod connects floating ball, and first valve block and the second valve block are umbrella shape valve block, below the second valve also
It is provided with third valve, the third valve block of the third valve is located at the top of third valve seat, and third valve block is connected on valve rod, floating ball
Rising can open the first valve and third valve and close the second valve, and floating ball decline can close the first valve and third valve and open the
Two valves.Three-level valve body is constituted in this way, and being more advantageous to prevents from altering on crank case gases.Cavity is upper between first valve and the second valve
The top half of cavity passes through the first cross over pipe connection between half part and the second valve and third valve.The pipeline of connection makes two
When oil liquid in cavity changes, the gas of two cavitys can mutually flow carry out pressure compensation, to make the smooth fast of oil liquid
The flowing of speed, when avoiding displacement oil liquid, the gas in crankcase enters oil-gas separation chamber
It is certain that the working principle of the oil returning valve structure of this gs-oil separator is such that the oil liquid above the first valve is run up to
When amount, so that floating ball floats to open the first valve and third valve and closes the second valve, so that the oil liquid above the first valve flows into
Into the cavity between the first valve and the second valve, that is, it is flowed into the top of the second valve, when the oil liquid being flowed on the second valve reaches
After a certain amount, oil liquid weight to the second valve block under the buoyancy of pressure and floating ball reduce double action under, the first valve with
One or three valve close and open the second valve open, thus the first valve above start accumulate oil liquid, the second valve start by the first valve with
Oil liquid between second valve in cavity is drained into the cavity between the second valve and third valve, with the oil liquid above the first valve
Accumulation floating ball after reaching certain height rises so that the first valve and third valve are opened and the closing of the second valve, so that second
The oil liquid in cavity between valve and third valve is discharged into crankcase and the oil liquid above the first valve enters the first valve and the second valve
Between cavity in, so circulation realize oil extraction.Such structure guarantees there is valve always in the case where not influencing oil liquid circulation
It is in close state, is altered on the gas of crankcase to place, two valves have dual closed effect, even if there is portion gas
It is entered in return pipe when replacing oil liquid, since this portion gas will be acted on into the gas washing after oil liquid twice, can also make to bring about the desired sensation
Oil liquid in body largely remains in oil liquid, in addition, being different from common check valve meeting, utilizes the folding of floater controlled valve piece
Valve block can be made to open and close big as far as possible, and common check valve is opened and closed by the flowing of the different directions of fluid, so cannot
With biggish opening and closing mouth.
In the oil returning valve structure of above-mentioned gs-oil separator, there is the magnetive attraction to attract each other between valve block and valve seat,
Valve block and valve seat are attracted each other by magnet.Magnetive attraction makes have certain binding force between valve block and valve body, so that valve block
It is easy to close but is difficult to open, i.e., the two could only be separated when extraneous active force significantly certain size, Er Qiesui
Becoming larger for separation distance need separated power with regard to smaller, and while closing, is then exactly the opposite, with the reduction knot of the spacing of closure
Resultant force become it is increasing, so that valve will not the successional variation that is open with the consecutive variations of external force, but only
Power is just fully opened or is closed after reaching a threshold value, and the combination moment of valve block and valve seat can also to generate one to valve seat
Fixed instant impact, thus to oil return pipe one jerk of generation consequently facilitating the more preferable discharge of oil liquid, this is to utilize magnetic
The advantages of power.When cavity is filled with the oil liquid of semi-cavity between first valve and the second valve, the weight of oil liquid offsets the second valve block and the
For magnetive attraction between two valve bodies so that the second valve is opened, the buoyancy that floating ball is received in oil liquid can offset the first valve and third
The sum of magnetive attraction of valve is to make the first valve and third valve open simultaneously.
In the oil returning valve structure of above-mentioned gs-oil separator, the second valve block and the second valve seat orifice be all larger than the first valve block and
First valve seat orifice, in order to reduce the resistance of the first valve block unlatching and increase pressure under the oil liquid that the second valve block is subject to.
In the oil returning valve structure of above-mentioned gs-oil separator, the second valve block and the second valve seat orifice be all larger than third valve block and
Third valve seat orifice.In order to reduce the resistance of the first valve block unlatching and increase pressure under the oil liquid that the second valve block is subject to.
In the oil returning valve structure of above-mentioned gs-oil separator, the top half of cavity passes through between the first valve and the second valve
Second cross over pipe and oil-gas separation chamber connection, thus the preferable gas of the quality for using oil-gas separation chamber to isolate as the first valve with
The pressure of cavity is supplemented so that oil liquid smoothly trickles in tube body between second valve.
In the oil returning valve structure of above-mentioned gs-oil separator, it is provided with control valve on the second cross over pipe, for controlling connection
The on-off of siphunculus.
Compared with prior art, the oil returning valve structure of this gs-oil separator has the advantage that
The invention enables contaminated product pipes to have multistage excessive oil return valve, and improving airtightness prevents crankcase gas blowby, and no matter automobile is sent out
Whether motivation works, no matter also blocking up oil return hole either with or without oil return fluid-tight, it can guarantee the closed of oil return pipe, prevent gs-oil separator
Crank case gases are scurried into when not working, and structure is simple, easy to operate, at low cost.
Detailed description of the invention
Fig. 1 is the schematic diagram that the first valve will float；
Fig. 2 is the first valve schematic diagram in the open state；
Fig. 3 is the schematic diagram that the second valve is opened；
Fig. 4 is the schematic diagram that third valve opens oil extraction.
In figure, oil return pipe 1, the first valve seat 202, the second valve block 301, the second valve seat 302, valve rod 4, is floated at first valve block 201
Ball 5, the second cross over pipe 6, control valve 7, oil-gas separation chamber 8, the first cross over pipe 9, third valve block 101, third valve seat 102.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described in conjunction with attached drawing,
However, the present invention is not limited to these examples.
Embodiment
As shown, a kind of oil returning valve structure of gs-oil separator, including oil return pipe 1, the oil return pipe oil inlet end and oil gas point
From chamber connection, the oil return pipe oil outlet and crankcase connection set gradually the from oil return pipe oil inlet end to oil return pipe oil outlet
One valve, the second valve, the first valve block 201 of the first valve are located at the top of the first valve seat 202, and the second valve block 301 of the second valve is located at
The lower section of second valve seat 302, first valve block and the second valve block are connected on same root valve rod 4, the upper end of the valve rod
Floating ball 5 is connected, first valve block and the second valve block are umbrella shape valve block, and third valve, institute are additionally provided with below the second valve
The third valve block 101 for stating third valve is located at the top of third valve seat 102, and third valve block is connected on valve rod, and floating ball rises can be with
It opens the first valve and third valve and closes the second valve, floating ball decline can close the first valve and third valve and open the second valve.This
Sample constitutes three-level valve body, and being more advantageous to prevents from altering on crank case gases.There is the magnetism to attract each other between valve block and valve seat
Power, valve block and valve seat are attracted each other by magnet.Magnetive attraction makes have certain binding force between valve block and valve body, so that valve
Piece is easy to close but is difficult to open, i.e., only could separate the two when the significantly certain size of extraneous active force, and
As becoming larger for separation distance needs separated power with regard to smaller, and while closing, is then exactly the opposite, with the reduction of the spacing of closure
Binding force becomes increasing, so that valve will not the successional variation that is open with the consecutive variations of external force, but only
It just fully opens or closes after effectively reaching a threshold value, and the combination moment of valve block and valve seat can also to generate valve seat
Certain instant impact, thus to oil return pipe one jerk of generation consequently facilitating the more preferable discharge of oil liquid, this is to utilize
The advantages of magnetic force.When cavity is filled with the oil liquid of semi-cavity between first valve and the second valve, the weight of oil liquid offset the second valve block with
So that the second valve is opened, the buoyancy that floating ball is received in oil liquid can offset the first valve and for magnetive attraction between second valve body
The sum of magnetive attraction of three valves is to make the first valve and third valve open simultaneously.Second valve block and the second valve seat orifice are all larger than the first valve
Piece and the first valve seat orifice, in order to reduce the resistance of the first valve block unlatching and increase pressure under the oil liquid that the second valve block is subject to.The
Two valve blocks and the second valve seat orifice are all larger than third valve block and third valve seat orifice.In order to reduce resistance and the increasing of the unlatching of the first valve block
Pressure under the oil liquid for adding the second valve block to be subject to.Between first valve and the second valve the top half of cavity and the second valve and third valve it
Between cavity top half pass through 9 connection of the first cross over pipe.When the pipeline of connection changes the oil liquid in two cavitys, two
The gas of cavity can mutually flow carry out pressure compensation, thus make the smooth quick flowing of oil liquid, when avoiding displacement oil liquid,
Gas in crankcase enters oil-gas separation chamber.The top half of cavity passes through the second cross over pipe between first valve and the second valve
6 with oil-gas separation chamber connection, thus the preferable gas of the quality for using oil-gas separation chamber to isolate as the first valve and the second valve it
Between the pressure supplement of cavity smoothly trickled in tube body so as to oil liquid.Control valve 7 is provided on second cross over pipe, for controlling
The on-off of cross over pipe.
Fig. 1,2,3,4 are the schematic diagrames of the motion process of valve, and the working principle of the oil returning valve structure of this gs-oil separator is
It is such: when the oil liquid above the first valve runs up to a certain amount, so that floating ball floats to open the first valve and third valve
And the second valve is closed, so that the oil liquid above the first valve is flowed into the cavity between the first valve and the second valve, that is, it is flowed into the
The top of two valves, after the oil liquid being flowed on the second valve reaches a certain amount, oil liquid weight to the second valve block under pressure
And under the double action of the buoyancy reduction of floating ball, the first valve and the one or three valve close and open the second valve and open, thus the first valve
Top starts to accumulate oil liquid, and the second valve starts the oil liquid between the first valve and the second valve in cavity being drained into the second valve and third
In cavity between valve, as floating ball rises so that the first valve after reaching certain height for the accumulation of the oil liquid above the first valve
And third valve is opened and the second valve is closed so that the oil liquid in cavity between the second valve and third valve be discharged into crankcase and
Oil liquid above first valve enters in the cavity between the first valve and the second valve, and so circulation realizes oil extraction.Such structure
Guarantee there is valve to be in close state always in the case where not influencing oil liquid circulation, is altered on the gas of crankcase to place, two
A valve has dual closed effect, even if there is portion gas to enter in return pipe when replacing oil liquid, due to this part gas
Body will be acted on into the gas washing after oil liquid twice, also the oil liquid in gas can be made largely to remain in oil liquid, in addition, being different from
Common check valve meeting can make valve block open and close big as far as possible using the folding of floater controlled valve piece, and common check valve
By the flowing folding of the different directions of fluid, so cannot have biggish opening and closing mouth.
Although some terms are used more herein, it does not exclude the possibility of using other terms.Use these
Term is only for the convenience of describing and explaining the nature of the invention；It is construed as any additional limitation all
It is to be disagreed with spirit of that invention.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of oil returning valve structure of gs-oil separator, including oil return pipe, which is characterized in that the oil return pipe oil inlet end and oil gas
Disengagement chamber connection, the oil return pipe oil outlet and crankcase connection, set gradually from oil return pipe oil inlet end to oil return pipe oil outlet
First valve, the second valve, the first valve block of the first valve are located at the top of the first valve seat, and the second valve block of the second valve is located at the second valve seat
Lower section, first valve block and the second valve block be connected on same root valve rod, and the upper end of the valve rod connects floating ball, described
First valve block and the second valve block are umbrella shape valve block；Third valve, the third of the third valve are additionally provided with below the second valve
Valve block is located at the top of third valve seat, and third valve block is connected on valve rod, and floating ball rising can open the first valve and third valve simultaneously
The second valve is closed, floating ball decline can close the first valve and third valve and open the second valve；Cavity between first valve and the second valve
Top half and the second valve and third valve between cavity top half pass through the first cross over pipe connection.
2. the oil returning valve structure of gs-oil separator according to claim 1, which is characterized in that exist between valve block and valve seat
The magnetive attraction to attract each other, valve block and valve seat are attracted each other by magnet, and cavity is filled with semi-cavity between the first valve and the second valve
Oil liquid when, the weight of oil liquid offsets the magnetive attraction between the second valve block and the second valve body so that the second valve is opened, floating ball
The buoyancy received in oil liquid can offset the sum of magnetive attraction of the first valve and third valve to make the first valve and third valve while beat
It opens.
3. the oil returning valve structure of gs-oil separator according to claim 1, which is characterized in that the second valve block and the second valve seat
Hole is all larger than the first valve block and the first valve seat orifice.
4. the oil returning valve structure of gs-oil separator according to claim 1, which is characterized in that the second valve block and the second valve seat
Hole is all larger than third valve block and third valve seat orifice.
5. the oil returning valve structure of gs-oil separator according to claim 1, which is characterized in that between the first valve and the second valve
The top half of cavity passes through the second cross over pipe and oil-gas separation chamber connection.
6. the oil returning valve structure of gs-oil separator according to claim 5, which is characterized in that be provided on the second cross over pipe
Control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480841.1A CN109505677A (en) | 2018-12-05 | 2018-12-05 | A kind of oil returning valve structure of gs-oil separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480841.1A CN109505677A (en) | 2018-12-05 | 2018-12-05 | A kind of oil returning valve structure of gs-oil separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505677A true CN109505677A (en) | 2019-03-22 |
Family
ID=65752008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811480841.1A Pending CN109505677A (en) | 2018-12-05 | 2018-12-05 | A kind of oil returning valve structure of gs-oil separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505677A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2670863Y (en) * | 2003-11-14 | 2005-01-12 | 上海三电贝洱汽车空调有限公司 | Oil and gas separator with single-way valve |
| JP2005169338A (en) * | 2003-12-15 | 2005-06-30 | Tlv Co Ltd | Oil separator |
| CN101560970A (en) * | 2009-05-08 | 2009-10-21 | 浙江鸿友压缩机制造有限公司 | Gas-oil separation device for compressor |
| CN201412308Y (en) * | 2009-05-08 | 2010-02-24 | 浙江鸿友压缩机制造有限公司 | Oil-gas separating device of compressor |
| CN104024588A (en) * | 2011-12-20 | 2014-09-03 | 株式会社马勒滤清系统 | Oil Drain Structure For Oil Mist Separator |
| CN212508473U (en) * | 2018-12-05 | 2021-02-09 | 神通科技集团股份有限公司 | Oil return valve structure of oil-gas separator |
-
2018
- 2018-12-05 CN CN201811480841.1A patent/CN109505677A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2670863Y (en) * | 2003-11-14 | 2005-01-12 | 上海三电贝洱汽车空调有限公司 | Oil and gas separator with single-way valve |
| JP2005169338A (en) * | 2003-12-15 | 2005-06-30 | Tlv Co Ltd | Oil separator |
| CN101560970A (en) * | 2009-05-08 | 2009-10-21 | 浙江鸿友压缩机制造有限公司 | Gas-oil separation device for compressor |
| CN201412308Y (en) * | 2009-05-08 | 2010-02-24 | 浙江鸿友压缩机制造有限公司 | Oil-gas separating device of compressor |
| CN104024588A (en) * | 2011-12-20 | 2014-09-03 | 株式会社马勒滤清系统 | Oil Drain Structure For Oil Mist Separator |
| CN212508473U (en) * | 2018-12-05 | 2021-02-09 | 神通科技集团股份有限公司 | Oil return valve structure of oil-gas separator |
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