CN103850754A - Blow-by gas mechanism of engine - Google Patents
Blow-by gas mechanism of engine Download PDFInfo
- Publication number
- CN103850754A CN103850754A CN201210521564.0A CN201210521564A CN103850754A CN 103850754 A CN103850754 A CN 103850754A CN 201210521564 A CN201210521564 A CN 201210521564A CN 103850754 A CN103850754 A CN 103850754A
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- gas leakage
- crankcase
- leakage mechanism
- engine
- right crankcase
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a blow-by gas mechanism of an engine. A crankcase of the engine is provided with a right crankcase body, a left crankcase body and a right crankcase cover, wherein the right crankcase cover covers the outer side of the right crankcase body, the crankcase is assembled with an air cylinder body and is provided with the blow-by gas mechanism, the blow-by gas mechanism is provided with a labyrinth structure, one side, which is positioned on the right crankcase cover, of the right crankcase body is provided with a concave part along the direction facing the left crankcase body, and a lubricating oil backflow port of the blow-by gas mechanism is arranged in the concave part. In such a way, the oil-gas separating effect of the blow-by gas mechanism can be ensured, the oil-gas discharge amount of lubricating oil can be effectively reduced by the engine, thus the consumption of the lubricating oil can be reduced, and the pollution caused by waste gas discharged by the engine can be reduced.
Description
Technical field
The present invention is about a kind of mechanism of leaking gas of blowing of engine, especially refer to a kind ofly guarantee that this blows gas leakage mechanism and can bring into play the effect of Oil-gas Separation, in order to do making engine can effectively reduce the discharge capacity of lubricant oil oil gas, and can reduce the breakage of lubricant oil, and can have the pollution that reduces engine emissions waste gas engine blow gas leakage mechanism.
Background technique
Engine 1 is the machinery of running at a high speed, for avoiding each member (comprising piston, bent axle, camshaft etc.) of engine 1, because of the increase of contact friction, and cause damage, therefore engine 1 all arranges oil lubrication system, and this oil lubrication system provides lubricant oil to lubricate the object of engine 1 each member.
But, the on-stream meeting of engine 1 constantly produces high heat, and lubricant oil can produce oily vapours because of evaporation, this oily vapours is called and blows gas leakage, directly be disposed to and in atmosphere, produce atmospheric pollution for avoiding this to blow gas leakage, on the crankcase 11 of engine 1, can arrange one blow gas leakage mechanism 2, by this blow gas leakage mechanism 2 reach lubricant oil oil gas separate object.
As Fig. 1, shown in 2, this blows gas leakage mechanism 2 is the rear side of being located at cylinder body 13, this blows gas leakage mechanism 2 upper ends and is provided with oil gas exhaust port 21, this oil gas exhaust port 21 is to be linked to air-strainer (in figure not remittance abroad), this blows the interior labyrinth structure 22 that arranges of gas leakage mechanism 2, by the resistance of this labyrinth structure 22 around and guiding, make the oil gas that enters the part lubricant oil that blows gas leakage mechanism 2 can condense and revert to oil body shape, be back in crankcase 11 and can re-use via this lubricant oil refluxing opening 23 that blows gas leakage mechanism 2, the oil gas of the lubricant oil of another part is expelled to air-strainer by oil gas exhaust port 21, can avoid by this oil gas of lubricant oil in the huge oil-air pressure of the interior formation of crankcase 11, operate normally and affect engine 1.
Refer to as shown in Figure 2, this lubricant oil that blows gas leakage mechanism 2 reclaims mouthfuls 23 again, and general system is located on the right crankcase 111 of crankcase 11, and this outlet system of lubricant oil refluxing opening 23 of blowing gas leakage mechanism 2 towards the lower side of crankcase 11 to offering; But, engine 1 is provided with clutch 12 in right crankcase 111, the rotation direction of this clutch 12 is counterclockwise running (as the direction of arrow in figure bis-), when turning round, this clutch 12 lubricant oil at right crankcase 111 places can be flown to get rid of, therefore the lubricant oil that is flown to get rid of by clutch 12, except making clutch 12 obtain lubricant oil glossy, this lubricant oil can be dispersed to right crankcase 111 inside everywhere simultaneously, carry out by this to lubricate other members in right crankcase 111.Only, when this lubricant oil is dispersed by the running of clutch 12, this lubricant oil dispersing can reclaim mouthful 23 formation one pressure to this lubricant oil that blows gas leakage mechanism 2, and then can make the former lubricant oil of wanting from blowing gas leakage mechanism 2 reclaim mouthful 23 lubricant oil that reflux, cannot be back to smoothly in right crankcase 111 and re-use; Separately, flown to get rid of by clutch 12 and the lubricant oil some of dispersing, more can be flown to get rid of and reclaim mouthfuls 23 by the lubricant oil that blows gas leakage mechanism 2 and enter and blow gas leakage mechanism 2, and then cause the effect of blowing gas leakage mechanism 2 and cannot effectively bring into play Oil-gas Separation.
Therefore the engine of commonly using blow gas leakage mechanism, the necessity being improved in fact, is to blow gas leakage mechanism with what how a kind of engine that guarantees to reach Oil-gas Separation to be provided, real is a vehicle dealer large problem urgently to be resolved hurrily.
Summary of the invention
Main purpose of the present invention is to solve commonly uses blowing gas leakage mechanism and cannot effectively must bringing into play the disappearance of oil gas separation of engine;
The present invention's technical way used is: the mechanism of leaking gas of blowing that a kind of engine is provided, the crankcase of this engine has right crankcase, left crankcase and right crankcase cover, this right crankcase cover system is covered on the outside of right crankcase, on this crankcase, group is provided with cylinder body, this crankcase is provided with and blows gas leakage mechanism, this blows gas leakage mechanism and has labyrinth structure, the side that this right crankcase is positioned at right crankcase cover is concaved with a recess towards left crankcase direction, and this lubricant oil refluxing opening system of blowing gas leakage mechanism is located in this recess;
Effect that the present invention can reach by above-mentioned technological means is: a side that is positioned at right crankcase cover by this right crankcase is concaved with a recess towards left crankcase, this lubricant oil refluxing opening that blows gas leakage mechanism is located in this recess, and this opening direction that blows the lubricant oil refluxing opening of gas leakage mechanism is tied to form oblique setting in the recess of right crankcase, and this blows the lubricant oil refluxing opening opening direction of gas leakage mechanism, system becomes forward direction with the clutch rotation direction that is installed on right crankcase cover recess outside, and then can guarantee that this blows gas leakage mechanism and can bring into play the effect of Oil-gas Separation, in order to do making engine can effectively reduce the discharge capacity of lubricant oil oil gas, and can reduce the breakage of lubricant oil, and can there is the pollution that reduces engine emissions waste gas.
Brief description of the drawings
Fig. 1 practises the schematic diagram that blows gas leakage mechanism.
Fig. 2 is the known schematic diagram that blows gas leakage mechanism and clutch.
Fig. 3 is engine crankcase part cross-sectional schematic of the present invention.
Fig. 4 is the schematic diagram that engine part of the present invention is analysed and observe.
Fig. 5 is that the present invention blows gas leakage mechanism part cross-sectional schematic.
Fig. 6 is the schematic diagram of the left crankcase first half of the present invention.
Fig. 7 is the schematic diagram of right crankcase of the present invention.
Fig. 8 is the schematic diagram of right crankcase of the present invention and clutch.
Embodiment
For the effect that can be easier to understand structure of the present invention and can reach, hereby cooperation illustrates as follows:
First refer to shown in Fig. 3,4,6, the crankcase 3 of engine A of the present invention has right crankcase 31, left crankcase 32 and right crankcase cover 33, and this right crankcase cover 33 is the outside that is covered on right crankcase 31; This crankcase 3 is provided with cylinder body 4, and this cylinder body 4 is provided with cylinder head 41; This crankcase 3 is provided with and blows gas leakage mechanism 5, in particular, this right crankcase 31 has separately this with left crankcase 32 and blows gas leakage mechanism 5 structure partly, when forming the complete mechanism 5 of leaking gas of blowing after this right crankcase 31 and left crankcase 32 combinations on crankcase 3, as shown in Figure 5,6;
Refer to again shown in Fig. 3,4,5,6, this blows gas leakage mechanism 5 and has labyrinth structure 51, this oil gas entry port 52 that blows gas leakage mechanism 5 is to be located at right crankcase 31 inner sides, be that right crankcase 31 and left crankcase 32 are in conjunction with on the right crankcase 31 of side (as shown in Figure 5), this oil gas exhaust port 53 that blows gas leakage mechanism 5 is to be located at right crankcase 31 upside places, and this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 is to be located at right crankcase 31 outsides; As shown in Fig. 4,6, these oil gas exhaust port 53 outer ends of blowing gas leakage mechanism 5 to link with the device 6 with air suction way by a pipe fitting T;
As Fig. 7, shown in 8, the side that this right crankcase 31 is positioned at right crankcase cover 33 is concaved with a recess 311 towards left crankcase 32 directions, this recess 311 has bottom 3112 and wall portion 3111, this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 is located in this recess 311, better mode of execution is, this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 is to be located in the wall portion 3111 of this recess 311, and this opening direction that blows the lubricant oil refluxing opening 54 of gas leakage mechanism 5 is tied to form oblique setting in the recess 311 of right crankcase 31, that is this opening direction that blows the lubricant oil refluxing opening 54 of gas leakage mechanism 5 is offered towards the rear of crankcase 3 in the recess 311 of right crankcase 31,
Please coordinate again Fig. 3,4,8 jointly to consult, recess 311 outsides of this right crankcase 31 are provided with clutch 7, the rotating method of this clutch 7 is tied to form counterclockwise running (as the direction of arrow of figure tetra-, eight), and these lubricant oil refluxing opening 54 opening direction systems of blowing gas leakage mechanism 5 become forward to offer towards clutch 7 sense of rotation by this.
Enforcement of the present invention, as shown in Fig. 3,4,5,8, in the time that engine A operates, produce and amass the lubricant oil oil gas in crankcase 3, can enter in labyrinth structure 51 via the oil gas entry port 52 that blows gas leakage mechanism 5, this lubricant oil oil gas can produce and condense with stopping by the derived set of this labyrinth structure 51, and can make the lubricant oil oil gas of part condense into once again lubricant oil, the lubricant oil having condensed in labyrinth structure 51, can, from this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5, be back to the interior recycling of crankcase 3 by right crankcase 31 outsides; Other incoagulable lubricant oil oil gas are through the guiding of labyrinth structure 51, collect and reclaim and can drain into the device 6 with air suction way from this oil gas exhaust port 53 that blows gas leakage mechanism 5, carry out the effect to the Lubricating Oil atmospheric pressure formation release of pressure in crankcase 3 by the oil gas collection of the device 6 with air suction way simultaneously.
Refer to again Fig. 4, 7, shown in 8, the present invention is mainly, the side that this right crankcase 31 is positioned at right crankcase cover 33 is concaved with a recess 311 towards left crankcase 32 directions, and this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 is located in this recess 311, and this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 is tied to form oblique setting in the recess 311 of right crankcase 31, therefore when after engine A running, this clutch 7 of being located at recess 311 outsides of right crankcase 31 also operates, and being driven, the lubricant oil at right crankcase 31 places flies to get rid of, because these lubricant oil refluxing opening 54 opening direction systems of blowing gas leakage mechanism 5 become forward to offer towards clutch 7 sense of rotation, therefore ought blow gas leakage mechanism 5 labyrinth structure 51 in condensed into lubricant oil, and want from this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 to flow back into crankcase 3 when interior, in this labyrinth structure 51, having condensed into lubricant oil can be back in crankcase 3 by right crankcase 31 smoothly under without any obstruction, moreover, because the lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 is to be located in this recess 311, and the lubricant oil that can avoid being dispersed because of running by clutch 7 gets rid of the lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 and flows in labyrinth structure 51, can guarantee that by this this blows the mechanism 5 of leaking gas and can bring into play the effect of Oil-gas Separation.
Effect of the present invention is, by this right crankcase 31 in being provided with a recess 311 with right crankcase cover 33 in conjunction with side, this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 is to be located in this recess 311, and this opening direction that blows the lubricant oil refluxing opening 54 of gas leakage mechanism 5 is tied to form oblique setting in the recess 311 of right crankcase 31, that is this blows the opening direction of the lubricant oil refluxing opening 54 of gas leakage mechanism 5, be to arrange towards the rear of crankcase 3 in the recess 311 of right crankcase 31, and this blows lubricant oil refluxing opening 54 opening directions of gas leakage mechanism 5, the direction that system rotates towards the clutch 7 that is installed on right crankcase 31 recess 311 outsides is forward offered, by this, this blows in the labyrinth structure 51 of gas leakage mechanism 5 and has condensed into lubricant oil and can under without any obstruction, be back in crankcase 3 smoothly by this right crankcase 31, be to be located in this recess 311 by this lubricant oil refluxing opening 54 that blows gas leakage mechanism 5 simultaneously, and can avoid the lubricant oil being dispersed because of running by clutch 7 to fly into the lubricant oil refluxing opening 54 that blows gas leakage mechanism 5, and flow in labyrinth structure 51, and then can guarantee that this blows gas leakage mechanism 5 and can bring into play the effect of Oil-gas Separation, in order to do making engine A can effectively reduce the discharge capacity of lubricant oil oil gas, and can reduce the breakage of lubricant oil, and can there is the pollution that reduces engine A discharging waste gas.
The present invention, by the mechanism of leaking gas of blowing of above-mentioned engine, really can reach object and effect of institute's demand, should meet the important document of practicability, novelty and progressive.
Reference numerals list
1 engine 11 crankcase 111 right crankcasees
12 clutch 13 cylinder body
2 blow gas leakage mechanism 21 oil gas exhaust port 22 labyrinth structures
23 lubricant oil refluxing openings
3 crankcase 31 right crankcasees
311 recesses
3111 wall portion 3112 bottoms
32 left crankcases
33 right crankcase covers
4 cylinder body 41 cylinder heads
5 blow gas leakage mechanism 51 labyrinth structure 52 oil gas entry ports
53 oil gas exhaust port 54 lubricant oil refluxing openings
6 have the device of air suction way
7 clutches
A engine
T pipe fitting
Claims (7)
- An engine blow gas leakage mechanism, the crankcase of this engine has right crankcase, left crankcase and right crankcase cover, this right crankcase cover is covered on the outside of right crankcase, on this crankcase, group is provided with cylinder body, this crankcase is provided with and blows gas leakage mechanism, this blows gas leakage mechanism and has labyrinth structure, it is characterized in that: the side that this right crankcase is positioned at right crankcase cover is concaved with a recess towards left crankcase direction, and this recess is provided with the lubricant oil refluxing opening that blows gas leakage mechanism.
- Engine as claimed in claim 1 blow gas leakage mechanism, wherein, this right crankcase and left crankcase have separately this and blow the mechanism partial structure of leaking gas.
- Engine as claimed in claim 1 blow gas leakage mechanism, wherein, this blow gas leakage mechanism oil gas entry port be located on the right crankcase of right crankcase and left crankcase junction plane.
- Engine as claimed in claim 1 blow gas leakage mechanism, wherein, this blow gas leakage mechanism oil gas exhaust port outer end by a pipe fitting come with have air suction way device link.
- Engine as claimed in claim 1 blow gas leakage mechanism, wherein, this blow gas leakage mechanism its opening direction of lubricant oil refluxing opening become oblique setting in the recess of right crankcase.
- Engine as described in claim 1,2,3 or 5 blow gas leakage mechanism, wherein, the recess of this right crankcase is provided with clutch outward, and this blow gas leakage mechanism lubricant oil refluxing opening opening direction towards clutch rotate direction forward offer.
- Engine as claimed in claim 1 blow gas leakage mechanism, wherein, this recess has wall portion and bottom, this blow gas leakage mechanism lubricant oil refluxing opening be located in wall portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210521564.0A CN103850754B (en) | 2012-12-07 | 2012-12-07 | Engine blow gas leakage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210521564.0A CN103850754B (en) | 2012-12-07 | 2012-12-07 | Engine blow gas leakage mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103850754A true CN103850754A (en) | 2014-06-11 |
| CN103850754B CN103850754B (en) | 2016-12-21 |
Family
ID=50858836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210521564.0A Active CN103850754B (en) | 2012-12-07 | 2012-12-07 | Engine blow gas leakage mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103850754B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781673A (en) * | 2014-12-26 | 2016-07-20 | 光阳工业股份有限公司 | Structure of internal combustion engine |
| CN105781674A (en) * | 2014-12-26 | 2016-07-20 | 光阳工业股份有限公司 | Structure of internal combustion engine |
| CN110925054A (en) * | 2019-12-13 | 2020-03-27 | 重庆隆鑫机车有限公司 | Clutch cover with ventilation function and engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070661A1 (en) * | 2001-10-12 | 2003-04-17 | Suzuki Motor Corporation | Breather device for motorcycle |
| JP2003301708A (en) * | 2002-04-08 | 2003-10-24 | Kawasaki Heavy Ind Ltd | Breather device for four-cycle engine |
| JP2005030325A (en) * | 2003-07-08 | 2005-02-03 | Kawasaki Heavy Ind Ltd | Engine for motorcycle, and motorcycle with the engine mounted thereon |
| US20080022981A1 (en) * | 2006-03-30 | 2008-01-31 | Honda Motor Co., Ltd. | Breather structure for internal combustion engine |
| CN101956589A (en) * | 2009-07-15 | 2011-01-26 | 本田技研工业株式会社 | The aeration structure of motor |
-
2012
- 2012-12-07 CN CN201210521564.0A patent/CN103850754B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070661A1 (en) * | 2001-10-12 | 2003-04-17 | Suzuki Motor Corporation | Breather device for motorcycle |
| JP2003301708A (en) * | 2002-04-08 | 2003-10-24 | Kawasaki Heavy Ind Ltd | Breather device for four-cycle engine |
| JP2005030325A (en) * | 2003-07-08 | 2005-02-03 | Kawasaki Heavy Ind Ltd | Engine for motorcycle, and motorcycle with the engine mounted thereon |
| US20080022981A1 (en) * | 2006-03-30 | 2008-01-31 | Honda Motor Co., Ltd. | Breather structure for internal combustion engine |
| CN101956589A (en) * | 2009-07-15 | 2011-01-26 | 本田技研工业株式会社 | The aeration structure of motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781673A (en) * | 2014-12-26 | 2016-07-20 | 光阳工业股份有限公司 | Structure of internal combustion engine |
| CN105781674A (en) * | 2014-12-26 | 2016-07-20 | 光阳工业股份有限公司 | Structure of internal combustion engine |
| CN110925054A (en) * | 2019-12-13 | 2020-03-27 | 重庆隆鑫机车有限公司 | Clutch cover with ventilation function and engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103850754B (en) | 2016-12-21 |
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Effective date of registration: 20180614 Address after: Kaohsiung City, Taiwan, China Co-patentee after: Changzhou Kymco Motorcycle Co., Ltd. Patentee after: Guangyang Industry Co., Ltd. Address before: Kaohsiung City, Taiwan, China Patentee before: Guangyang Industry Co., Ltd. |
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| TR01 | Transfer of patent right |