CN102536385A - Oil-gas separating device and air cylinder cover assembly - Google Patents
Oil-gas separating device and air cylinder cover assembly Download PDFInfo
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- CN102536385A CN102536385A CN2012100502085A CN201210050208A CN102536385A CN 102536385 A CN102536385 A CN 102536385A CN 2012100502085 A CN2012100502085 A CN 2012100502085A CN 201210050208 A CN201210050208 A CN 201210050208A CN 102536385 A CN102536385 A CN 102536385A
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- oil separating
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Abstract
The invention discloses an oil-gas separating device and an air cylinder cover assembly and belongs to the field of engines. The invention aims at solving the problem of poor separating effect of the oil-gas separator. The oil-gas separating device comprises a base plate, wherein more than two separation boards are arranged on the base plate in the flowing direction of oil and gas; at least one of the separation boards comprises a front separation blade and a rear separation blade; a torrent hole is formed in the front separation blade in the separation board, which is contacted with the oil and the gas first; air inlets are formed in the base plate; and the air inlets and the separation boards are sequentially arranged in the flowing direction of the oil and the gas. The air cylinder cover assembly comprises the oil-gas separating device; and an air cylinder cover is connected to the top end of the oil-gas separating device. The oil-gas separating device and the air cylinder cover assembly can be applied to engines in various model numbers, so that the oil-gas separating device and the air cylinder cover assembly are wide in application range.
Description
Technical field
The present invention relates to engine art, be specifically related to a kind of gas and oil separating plant of motor, and the valve mechanism cover assembly that comprises said gas and oil separating plant.
Background technique
When engine operation, always some fuel-air mixture and waste gas are scurried and are made machine oil thinning after gasoline vapor in the crankcase condenses in piston ring is scurried crankcase, performance depreciation.Waste gas contains water vapour and sulfur dioxide; Steam coagulation forms foam in machine oil, destroy engine oil supplying, and this phenomenon is particularly serious in the winter time; Sulfur dioxide is met water and is generated sulphurous acid; Sulphurous acid runs into airborne oxygen and generates sulfuric acid, and the appearance of these acidic materials not only makes machine oil rotten, and part is corroded.Because burning mixture and waste gas pass in the crankcase, the pressure in the crankcase will increase, and machine oil can be from crank shaft oil seal, and crankcase liner etc. is located to ooze out and run off, thereby strengthen the pollution of motor to atmosphere.In order to alleviate the generation of above-mentioned phenomenon, separate connecting the gas that aspirates in the crankcase usually, make liquid oil flow back to crankcase through back oil road; The aspiration of gaseous state is gone into suction tude, still, because above-mentioned gas and oil separating plant has only carried out first separation to oil gas; So oil gas separation is lower; And most gas and oil separating plant all is the inside that is integrated in cylinder head cover, causes easily that to separate the oil return in the Oil-gas Separation space of back machine oil not smooth, causes the gathering that separates back machine oil; Unpick and wash inconvenience, can not satisfy the need of work of people motor.
State in realization in the process of deaerator, the inventor finds to have following problem in the existing technology at least: the separating effect of gas and oil separating plant is bad.
Summary of the invention
The purpose of this invention is to provide a kind of gas and oil separating plant and the valve mechanism cover assembly that comprises gas and oil separating plant that can high efficiency separation oil gas.
For achieving the above object, the present invention adopts following technological scheme:
A kind of gas and oil separating plant comprises: base plate is provided with 2 with upper clapboard along the moving direction of gas stream on said base plate; Have at least 1 to be to constitute in the said dividing plate by preceding catch and back catch; And in said dividing plate, be provided with the torrent hole on the preceding catch of contact oil gas earlier, on said base plate, be provided with suction port, said suction port and dividing plate are arranged in order along the direction that oil gas flows; Be provided with the oil trap more than 1 in the bottom of said base plate, oil trap is the funnel-shaped structure that caves inward and shrink.
Further, on said base plate, be provided with 3 dividing plates along the moving direction of gas stream.
Further, said oil trap is arranged on and locates corresponding base between the forward and backward catch of dividing plate.
As preferably, be provided with return tube in the bottom of said base plate.
As preferably, the bottom plate structure of the both sides of said dividing plate is outside open Eight characters shape.
As preferably, said base plate bottom surface depression, whole suction port direction on base plate tilt.
As preferably, said base plate is provided with exhaust end, and said exhaust end extends bending and forms one side by side in the extending portion of said base plate, and said extending portion end is connected with oil baffle.
As preferably, on said oil baffle, be provided with solder joint.
Oil gas flow direction among the present invention is meant that mixed oil and gas flow to this direction of exhaust end from suction port.
The present invention also aims to provide a kind of valve mechanism cover assembly, comprise gas and oil separating plant, the top of said gas and oil separating plant is connected with valve mechanism cover.
Two dividing plates in gas and oil separating plant that the embodiment of the invention provides and the valve mechanism cover assembly carry out separating for several times to the fuel-air mixture body from the suction port input, and the first separation effect of the existing gas and oil separating plant of comparison is significantly improved.
Description of drawings
The perspective view of the gas and oil separating plant that Fig. 1 provides for the embodiment of the invention;
The sectional view of the plan view of the gas and oil separating plant that Fig. 2 provides for the embodiment of the invention;
The plan view of the gas and oil separating plant that Fig. 3 provides for the embodiment of the invention;
The decomposing schematic representation of the valve mechanism cover assembly that Fig. 4 provides for the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the gas and oil separating plant in the embodiment of the invention is described in detail.
As depicted in figs. 1 and 2; A kind of gas and oil separating plant of the embodiment of the invention comprises: base plate 1 is provided with 2 with upper clapboard along the moving direction of gas stream on said base plate 1; Have at least 1 to be to constitute in the said dividing plate by preceding catch and back catch; And in said dividing plate, be provided with the torrent hole on the preceding catch of contact oil gas earlier, said base plate 1 is provided with suction port 2, and said suction port 2 is arranged in order along the direction that oil gas flows with dividing plate.
The gas and oil separating plant that the embodiment of the invention provides, baffle plate carries out separating for several times to the fuel-air mixture body from the suction port input, and the first separation effect of the existing gas and oil separating plant of comparison is significantly improved.
Like Fig. 1, Fig. 2 and shown in Figure 3, in one embodiment of the invention, on said base plate 1, be provided with 3 dividing plates along the moving direction of gas stream.Owing on said base plate 1, be provided with 3 dividing plates along the moving direction of gas stream, the fuel-air mixture body from the suction port input is carried out 3 times separate, oil gas separation is better.
In order to have prolonged the time that mixed oil and gas is detained in cylinder head cover Oil-gas Separation chamber; Helping oil gas separates fully; Have at least 1 to be to constitute in the said dividing plate, and in said dividing plate, be provided with the torrent hole on the preceding catch of contact oil gas earlier by preceding catch and back catch.
In order to make the better effects if of Oil-gas Separation, the quantity in torrent hole can be for more than 10.
Let the power source of Oil-gas Separation in order to let insert in the gas and oil separating plant, said base plate 1 is provided with suction port 2, and in order to make the effect of separating more obvious, said suction port 2 is arranged in order along the direction that oil gas flows with dividing plate.
In order to make oil return more smooth and easy, the bottom of said base plate 1 is provided with the oil trap more than 1, and in order to make the area of oil return bigger, oil trap is the funnel-shaped structure that caves inward and shrink.
In order to let the fuel-air mixture body through better oil return under the effect of the isolated machine oil of baffle plate at gravity, said oil trap is arranged on the bottom of locating corresponding base plate 1 between the forward and backward catch of dividing plate.Can with the oil collecting after separating in oil trap, discharge through the spill port of oil trap bottom then.
In order to let the machine oil after the separation that does not flow into oil trap discharge smoothly, the bottom of said base plate 1 is provided with return tube.
For the machine oil oil return more smoothly after the separation that lets on the base plate, base plate 1 structure of the both sides of said dividing plate is outside open Eight characters shape.
For the machine oil after will separating very smoothly is back to oil trap and return tube, the bottom surface of said base plate 1 depression, whole suction port 2 directions on base plate 1 tilt.The lowest part of base plate 1 bottom is provided with return tube 2 12.
For the needs of exhaust, said base plate 1 is provided with exhaust end 19, and in order to match with the structure of the pressure stabilizing cavity of valve mechanism cover, said exhaust end 19 extends bendings and forms one side by side in the extending portion 8 of said base plate 1.
In order to prevent when engine running is annotated machine oil, to avoid machine oil to scurry outward, said extending portion 8 ends are connected with oil baffle 7.
In order to let the protection of the impact force that the filler opening of oil baffle 7 antagonism cylinder cover of engine produces when the input gasoline, make oil baffle 7 more firm, said oil baffle 7 is provided with solder joint 6.
In order to increase the tightness of gas and oil separating plant after being installed on the valve mechanism cover, base plate 1 periphery is provided with a circle and base plate 1 surperficial orthogonal sidewall 13, and sidewall 13 plays the effect of retaining oil.
Like Fig. 1, shown in Figure 3, the Oil-gas Separation process:
1, mixed oil and gas is got in the gas and oil separating plant by suction port 2; Torrent hole through on the preceding catch in the one-level dividing plate 3 is beaten in the enterprising capable crude separation of the back catch of one-level dividing plate 3; Oil droplet in the mixed oil and gas is owing to the effect of gravity is fallen on the base plate 1; Because base plate 1 integral body tilts to suction port 2 directions, is provided with return tube 2 12 at lowest part, so the oil droplet after separating carries out oil return through return tube 2 12.
2, all the other unsegregated mixed oil and gas carry out essence and separate through secondary dividing plate 4, three grades of dividing plates 5 successively, and mixed oil and gas carries out oil return through spill port on oil trap 1 and the oil trap 2 11 1 and spill port 2 15 respectively through the machine oil that secondary dividing plate 4 separates with three grades of dividing plates 5.
3, all the other can not carry out oil return through return tube 1 and return tube 2 12 through the machine oil that oil trap 1 and oil trap 2 11 carry out oil return.
The arrow of the solid line shown in Fig. 2 is represented the trend of mixed oil and gas, the trend of the machine oil after the arrow of dotted line is represented to separate.
This kind Oil-gas Separation mode that embodiment of the invention gas and oil separating plant provides can be separated mixed oil and gas efficiently, makes the machine oil oil return fast after separated effectively.
Below in conjunction with accompanying drawing the valve mechanism cover assembly in the embodiment of the invention is described in detail.
As shown in Figure 4, a kind of valve mechanism cover assembly comprises gas and oil separating plant, and the top of said gas and oil separating plant is connected with valve mechanism cover 16.
Like Fig. 1 and shown in Figure 4; The foregoing description cooperates with cylinder head cover 16 in the motor to install and is called the valve mechanism cover assembly; The filler opening of the top respective cylinder housing 16 of oil baffle 7, the trailing part of the extending portion 8 of base plate 1 can be used as the part-structure of pressure stabilizing cavity in the cylinder head cover 16, are arranged near the cylinder head cover 16 Oil-gas Separation chamber gas outlets; Oil-air pressures in the compensating cylinder housing 16 effectively; Avoid gas flow rate too fast and a small amount of oil droplet is taken away, improved the reliable operation degree of oil gas separation and motor, suction port 2 is corresponding to the forced ventilation mouth of pipe 18 of cylinder head cover 16.
Identical in the concrete Oil-gas Separation process of embodiment of the invention valve mechanism cover assembly and the foregoing description.
This kind oil return mode that embodiment of the invention valve mechanism cover assembly provides can be separated mixed oil and gas efficiently, makes the machine oil oil return fast after separated effectively, has avoided machine oil in the cylinder head cover gas and oil separating plant, to assemble, and influences engine emission.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by said protection domain with claim.
Claims (10)
1. gas and oil separating plant; Comprise: base plate, it is characterized in that, on said base plate, be provided with 2 with upper clapboard along the moving direction of gas stream; Have at least 1 to be to constitute in the said dividing plate by preceding catch and back catch; And in said dividing plate, be provided with the torrent hole on the preceding catch of contact oil gas earlier, said base plate is provided with suction port, and said suction port and dividing plate are arranged in order along the direction that oil gas flows.
2. gas and oil separating plant according to claim 1 is characterized in that, on said base plate, is provided with 3 dividing plates along the moving direction of gas stream.
3. gas and oil separating plant according to claim 1 is characterized in that the bottom of said base plate is provided with the oil trap more than 1, and oil trap is the funnel-shaped structure that caves inward and shrink.
4. gas and oil separating plant according to claim 3 is characterized in that, said oil trap is arranged on and locates corresponding base between the forward and backward catch of dividing plate.
5. gas and oil separating plant according to claim 1 and 2 is characterized in that the bottom of said base plate is provided with return tube.
6. gas and oil separating plant according to claim 1 and 2 is characterized in that, the bottom plate structure of the both sides of said dividing plate is outside open Eight characters shape.
7. gas and oil separating plant according to claim 1 is characterized in that, said base plate bottom surface depression, whole suction port direction on base plate tilt.
8. gas and oil separating plant according to claim 1 is characterized in that said base plate is provided with exhaust end, and said exhaust end extends bending and forms one side by side in the extending portion of said base plate, and said extending portion end is connected with oil baffle.
9. gas and oil separating plant according to claim 8 is characterized in that said oil baffle is provided with solder joint.
10. a valve mechanism cover assembly is characterized in that, comprises any described gas and oil separating plant of claim 1-9, is connected with valve mechanism cover on the top of said gas and oil separating plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100502085A CN102536385A (en) | 2012-02-29 | 2012-02-29 | Oil-gas separating device and air cylinder cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100502085A CN102536385A (en) | 2012-02-29 | 2012-02-29 | Oil-gas separating device and air cylinder cover assembly |
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| CN102536385A true CN102536385A (en) | 2012-07-04 |
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| CN2012100502085A Pending CN102536385A (en) | 2012-02-29 | 2012-02-29 | Oil-gas separating device and air cylinder cover assembly |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670782A (en) * | 2013-12-12 | 2014-03-26 | 绵阳新晨动力机械有限公司 | Cylinder cover cap capable of separating oil and gas for engine |
| CN104005814A (en) * | 2014-06-12 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Oil-gas separation structure and cylinder cover shield assembly |
| CN104033209A (en) * | 2013-03-05 | 2014-09-10 | 通用汽车环球科技运作有限责任公司 | Positive crankcase ventilation system |
| CN104747252A (en) * | 2015-01-29 | 2015-07-01 | 重庆凯特动力科技有限公司 | Engine oil-gas separation device with good oil-gas separation effect |
| CN105003349A (en) * | 2015-08-12 | 2015-10-28 | 安徽江淮汽车股份有限公司 | Engine cylinder head protection cover integrated with oil-gas separation structure |
| CN105065132A (en) * | 2015-08-12 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Improved structure of engine cylinder head shield integrated with oil-gas separation structure |
| CN105114150A (en) * | 2015-08-21 | 2015-12-02 | 成都国营锦江机器厂 | Oil-gas separation tool |
| CN105673136A (en) * | 2015-10-22 | 2016-06-15 | 隆鑫通用动力股份有限公司 | Cylinder head oil-gas separation assembly and engine thereof |
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| CN201218124Y (en) * | 2008-07-10 | 2009-04-08 | 安徽江淮汽车股份有限公司 | 1.3 liter gas engine cylinder cover hood |
| CN101463742A (en) * | 2009-01-14 | 2009-06-24 | 奇瑞汽车股份有限公司 | Oil-gas separating device of cylinder cap |
| CN101545390A (en) * | 2009-03-26 | 2009-09-30 | 重庆长安汽车股份有限公司 | Gas and oil separating plant |
| CN201377346Y (en) * | 2009-04-07 | 2010-01-06 | 广西玉柴机器股份有限公司 | Oil-gas separation structure of engine cylinder head cover |
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Patent Citations (4)
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| CN201218124Y (en) * | 2008-07-10 | 2009-04-08 | 安徽江淮汽车股份有限公司 | 1.3 liter gas engine cylinder cover hood |
| CN101463742A (en) * | 2009-01-14 | 2009-06-24 | 奇瑞汽车股份有限公司 | Oil-gas separating device of cylinder cap |
| CN101545390A (en) * | 2009-03-26 | 2009-09-30 | 重庆长安汽车股份有限公司 | Gas and oil separating plant |
| CN201377346Y (en) * | 2009-04-07 | 2010-01-06 | 广西玉柴机器股份有限公司 | Oil-gas separation structure of engine cylinder head cover |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033209A (en) * | 2013-03-05 | 2014-09-10 | 通用汽车环球科技运作有限责任公司 | Positive crankcase ventilation system |
| CN104033209B (en) * | 2013-03-05 | 2016-11-23 | 通用汽车环球科技运作有限责任公司 | From engine pack and the method thereof of engine blow-by gas separation machine oil |
| CN103670782A (en) * | 2013-12-12 | 2014-03-26 | 绵阳新晨动力机械有限公司 | Cylinder cover cap capable of separating oil and gas for engine |
| CN104005814A (en) * | 2014-06-12 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Oil-gas separation structure and cylinder cover shield assembly |
| CN104747252A (en) * | 2015-01-29 | 2015-07-01 | 重庆凯特动力科技有限公司 | Engine oil-gas separation device with good oil-gas separation effect |
| CN105003349A (en) * | 2015-08-12 | 2015-10-28 | 安徽江淮汽车股份有限公司 | Engine cylinder head protection cover integrated with oil-gas separation structure |
| CN105065132A (en) * | 2015-08-12 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Improved structure of engine cylinder head shield integrated with oil-gas separation structure |
| CN105065132B (en) * | 2015-08-12 | 2017-11-03 | 安徽江淮汽车集团股份有限公司 | A kind of improved structure for the motor cylinder protective shield for being integrated with gas oil separation structure |
| CN105114150A (en) * | 2015-08-21 | 2015-12-02 | 成都国营锦江机器厂 | Oil-gas separation tool |
| CN105673136A (en) * | 2015-10-22 | 2016-06-15 | 隆鑫通用动力股份有限公司 | Cylinder head oil-gas separation assembly and engine thereof |
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Application publication date: 20120704 |