CN109458241A - A kind of oil return pipe of gs-oil separator - Google Patents
A kind of oil return pipe of gs-oil separator Download PDFInfo
- Publication number
- CN109458241A CN109458241A CN201811480887.3A CN201811480887A CN109458241A CN 109458241 A CN109458241 A CN 109458241A CN 201811480887 A CN201811480887 A CN 201811480887A CN 109458241 A CN109458241 A CN 109458241A
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- China
- Prior art keywords
- valve
- oil
- return pipe
- oil return
- block
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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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Classifications
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- 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
Abstract
The present invention provides a kind of oil return pipes 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 return pipe.
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 of gs-oil separator
Pipe, the oil return pipe of 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 return pipe 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, and second
Second valve block of 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, described
The upper end of valve rod connects floating ball, and first valve block and the second valve block are umbrella shape valve block, and floating ball rising can open first
Valve and close the second valve, floating ball decline can close the first valve and open the second valve；Ball valve closing is provided with above the floating ball
Hole, ball valve can block ball valve blind hole after rising, and the cavity between the ball valve blind hole and the first valve passes through first
Siphunculus and oil-gas separation chamber connection can close ball valve blind hole after floating ball rises, and the first cross over pipe will be in oil-gas separation chamber
Gas be supplemented in cavity guarantee cavity in oil liquid smoothly flow out.
It is certain that the working principle of the oil return pipe 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 closes the second valve, so that the oil liquid above the first valve is flowed into the first valve
In cavity between 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 a certain amount
Afterwards, under the double action that the buoyancy of pressure and floating ball reduces in the case where the weight of oil liquid is to the second valve block, the first valve is closed and is opened
Second valve is opened, to start to accumulate oil liquid above the first valve, the second valve starts for oil liquid to be drained into crankcase.Such knot
Structure guarantees have valve to be in close state always in the case where not influencing oil liquid circulation, alters on the gas of crankcase to place,
Two valves have dual closed effect, even if having portion gas to enter in return pipe when replacing oil liquid, due to this part
Gas 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, different
In common check valve meeting, valve block can be made to open and close using the folding of floater controlled valve piece big as far as possible, and commonly unidirectional
Valve is opened and closed by the flowing of the different directions of fluid, so cannot have biggish opening and closing mouth.
In the oil return pipe of above-mentioned gs-oil separator, the second valve block and the second valve seat orifice are 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, it is convenient for the second valve
Piece is opened.
In the oil return pipe of above-mentioned gs-oil separator, there is the magnetive attraction to attract each other, valve block between valve block and valve seat
It is attracted each other with valve seat by magnet.Magnetive attraction makes have certain binding force between valve block and valve body, so that valve block is easy
Close but be difficult to open, i.e., the two could only be separated when extraneous active force significantly certain size, and with point
Opening becoming larger for distance needs separated power with regard to smaller, and while closing is then exactly the opposite, with the reduction binding force of the spacing of closure
What is become is increasing, so that valve will not the successional variation that is open with the consecutive variations of external force, but only effectively reach
It just fully opens or closes after to a threshold value, and the combination moment of valve block and valve seat can also to generate centainly valve seat
Instant impact, thus to oil return pipe one jerk of generation consequently facilitating the more preferable discharge of oil liquid, this utilizes magnetic force
Advantage.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 second valve
Magnetive attraction between body so that the second valve is opened, the buoyancy that floating ball is received in oil liquid can offset the first valve magnetive attraction it
To make the first valve open.
In the oil return pipe of above-mentioned gs-oil separator, the top half of cavity passes through second between the first valve and the second valve
Cross over pipe and oil-gas separation chamber connection, so that the preferable gas of the quality for using oil-gas separation chamber to isolate is as the first valve and second
The pressure of cavity is supplemented so that oil liquid smoothly trickles in tube body between valve.
In the oil return pipe of above-mentioned gs-oil separator, it is provided with control valve on the second cross over pipe, for controlling second
The on-off of siphunculus, the control valve is closed when the engine is not in operation, prevents from altering on crank case gases.
Compared with prior art, the oil return pipe 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 will be opened；
Fig. 4 is the schematic diagram that the second 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, ball valve blind hole 10.
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.
As shown in Figure 1, a kind of oil return pipe 1 of gs-oil separator, including oil return pipe, the oil return pipe oil inlet end and oil gas point
From 8 connection of chamber, 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 floating ball rising can open the first valve and close second
Valve, floating ball decline can close the first valve and open the second valve, and ball valve blind hole 10 is provided with above the floating ball, and ball valve rises
After ball valve blind hole can be blocked, the cavity between the ball valve blind hole and the first valve passes through the first cross over pipe and oil gas point
From chamber connection, ball valve blind hole can be closed after floating ball rises, the gas in oil-gas separation chamber is supplemented in by the first cross over pipe 9
Cavity guarantees that the oil liquid in cavity smoothly flows out.Second valve block and the second valve seat orifice are all larger than the first valve block 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, opened convenient for the second valve block.
The top half of cavity is by the second cross over pipe 6 and oil-gas separation chamber connection between first valve and the second valve, thus with oil gas point
Pressure from the preferable gas of quality that chamber is isolated as cavity between the first valve and the second valve is supplemented so that oil liquid is in tube body
Inside smoothly trickle.Control valve 7 is provided on second cross over pipe, for controlling the logical of the second cross over pipe, when engine does not work
When the control valve close, prevent from altering on crank case gases.In the oil return pipe of above-mentioned gs-oil separator, between valve block and valve seat
In the presence of the magnetive attraction to attract each other, valve block and valve seat are attracted each other by magnet, such as annular magnet can be arranged on valve seat,
And valve block be ferrimagnet valve block, such as iron plate, the magnetive attraction size of two valve blocks it is settable it is identical be slightly different, only
The pressure energy of the buoyancy and liquid that guarantee floating ball opens valve, and certainly specific size is needed according to actual equipment situation
Optimal setting parameter is obtained after test.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 magnetism of the first valve
The sum of power is to make the first valve open.
Fig. 1,2,3,4 are the schematic diagrames of the motion process of valve, and the working principle of the oil return pipe of this gs-oil separator is in this way
: 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 closes the second valve,
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 top of the second valve, when
After the oil liquid being flowed on the second valve reaches a certain amount, oil liquid weight to the second valve block under the buoyancy of pressure and floating ball subtract
Under small double action, the first valve closes and opens the second valve and open, to start to accumulate oil liquid above the first valve, the second valve is opened
Oil liquid is drained into crankcase by the beginning.Such structure guarantees that having valve to be in always in the case where not influencing oil liquid circulation closes
State is altered on the gas of crankcase to place, and two valves have dual closed effect, even if there is portion gas in displacement oil
It is entered in return pipe when liquid, since this portion gas will be acted on into the gas washing after oil liquid twice, can also make the oil in gas
Liquid largely remains in oil liquid, in addition, being different from common check valve meeting, can be made using the folding of floater controlled valve piece
Valve block opens and closes big as far as possible, and common check valve is opened and closed by the flowing of the different directions of fluid, so cannot have larger
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 (5)
1. a kind of oil return pipe of gs-oil separator, including oil return pipe, which is characterized in that the oil return pipe oil inlet end and Oil-gas Separation
Chamber connection, the oil return pipe oil outlet and crankcase connection, set gradually first from oil return pipe oil inlet end to oil return pipe oil outlet
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 under the second valve seat
Side, first valve block and the second valve block are connected on same root valve rod, the upper end connection floating ball of the valve rod, and described first
Valve block and the second valve block are umbrella shape valve block, and floating ball rising can open the first valve and close the second valve, and floating ball decline can close
It closes the first valve and opens the second valve；Ball valve blind hole is provided with above the floating ball, ball valve can be by ball valve blind hole after rising
It blocks, the cavity between the ball valve blind hole and the first valve passes through the first cross over pipe and oil-gas separation chamber connection.
2. the oil return pipe of gs-oil separator according to claim 1, which is characterized in that the second valve block and the second valve seat orifice are equal
Greater than the first valve block and the first valve seat orifice.
3. the oil return pipe of gs-oil separator according to claim 1, which is characterized in that exist between valve block and valve seat mutual
The magnetive attraction of attraction, valve block and valve seat are attracted each other by magnet, and cavity is filled with the oil of semi-cavity between the first valve and the second valve
When liquid, 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, and floating ball is in oil
The buoyancy received in liquid can offset the first valve magnetive attraction to make the first valve open.
4. the oil return pipe of gs-oil separator according to claim 1, which is characterized in that cavity between the first valve and the second valve
Top half pass through the second cross over pipe and oil-gas separation chamber connection.
5. the oil return pipe of gs-oil separator according to claim 4, which is characterized in that be provided with control on the second cross over pipe
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480887.3A CN109458241B (en) | 2018-12-05 | 2018-12-05 | Oil return pipe of oil-gas separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480887.3A CN109458241B (en) | 2018-12-05 | 2018-12-05 | Oil return pipe of oil-gas separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458241A true CN109458241A (en) | 2019-03-12 |
| CN109458241B CN109458241B (en) | 2023-10-17 |
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ID=65612451
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811480887.3A Active CN109458241B (en) | 2018-12-05 | 2018-12-05 | Oil return pipe of oil-gas separator |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012122431A (en) * | 2010-12-10 | 2012-06-28 | Ud Trucks Corp | Blow-by gas reducing device of engine |
| CN102705041A (en) * | 2012-06-18 | 2012-10-03 | 南充凌云高聚制造有限公司 | High-efficiency maintenance-free multi-stage oil and gas separator |
| WO2013094452A1 (en) * | 2011-12-20 | 2013-06-27 | 株式会社マーレ フィルターシステムズ | Oil drain structure for oil mist separator |
| CN104948262A (en) * | 2015-07-16 | 2015-09-30 | 金春夫 | Oil-gas separator |
| CN206397560U (en) * | 2016-12-27 | 2017-08-11 | 宁波神通模塑有限公司 | A kind of smart isolating construction of gs-oil separator |
| CN207454069U (en) * | 2017-08-07 | 2018-06-05 | 北京汽车动力总成有限公司 | A kind of Oil-gas Separation oil return mechanism |
-
2018
- 2018-12-05 CN CN201811480887.3A patent/CN109458241B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012122431A (en) * | 2010-12-10 | 2012-06-28 | Ud Trucks Corp | Blow-by gas reducing device of engine |
| WO2013094452A1 (en) * | 2011-12-20 | 2013-06-27 | 株式会社マーレ フィルターシステムズ | Oil drain structure for oil mist separator |
| CN102705041A (en) * | 2012-06-18 | 2012-10-03 | 南充凌云高聚制造有限公司 | High-efficiency maintenance-free multi-stage oil and gas separator |
| CN104948262A (en) * | 2015-07-16 | 2015-09-30 | 金春夫 | Oil-gas separator |
| CN206397560U (en) * | 2016-12-27 | 2017-08-11 | 宁波神通模塑有限公司 | A kind of smart isolating construction of gs-oil separator |
| CN207454069U (en) * | 2017-08-07 | 2018-06-05 | 北京汽车动力总成有限公司 | A kind of Oil-gas Separation oil return mechanism |
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| Publication number | Publication date |
|---|---|
| CN109458241B (en) | 2023-10-17 |
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