CN101463772B - Right crankshaft box of motorcycle engine with cooling oilway - Google Patents
Right crankshaft box of motorcycle engine with cooling oilway Download PDFInfo
- Publication number
- CN101463772B CN101463772B CN2007100931766A CN200710093176A CN101463772B CN 101463772 B CN101463772 B CN 101463772B CN 2007100931766 A CN2007100931766 A CN 2007100931766A CN 200710093176 A CN200710093176 A CN 200710093176A CN 101463772 B CN101463772 B CN 101463772B
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- oil circuit
- crankcase
- hole
- oil
- mounting groove
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Abstract
The invention discloses a right crankcase with a cooling oilchannel for a motorcycle engine, comprising a front oilchannel section and a rear oilchannel section; wherein, the front oilchannel section is arranged on a right crankcase on a joint surface between the right crankcase for the engine and a right crankcase cover; an inlet of the front oilchannel section is connected with an outlet of an oil pump; the oilchannel rounds the inner side of a front lower suspension hole and the outer side of a water pump shaft hole one after another and approaches a cylinder mounting groove enclosed by the right crankcase and a left crankcase, and then is communicated with the rear oilchannel section by passing through an oilchannel through hole; the rear oilchannel section is arranged on a groove enclosed by a joint surface between the right crankcase and the left crankcase and is communicated with an oilchannel on the left crankcase. The right crankcase is characterized in that an oil-passing through hole is opened on the front oilchannel section close to the cylinder mounting groove and is communicated with the cylinder mounting groove by passing through the right crankcase. The right crankcase has simple structure and convenient machining, can cool every part in the cylinder mounting groove and cylinder pistons and increases the service lives of the cylinder pistons, connecting bars, crank pins and left and right crankshafts.
Description
Technical field
The invention belongs to the motor of motorcycle, specifically, is a kind of right crankshaft box of motorcycle engine with cooling oilway.
Background technique
In existing motorcycle engine technology, crankcase is the carrier of main kinetic energy transfer mechanism, as shown in Figure 1: crankcase mainly comprises left and right crankcases, left and right crankcase cover and left and right bent axle, wherein left crankcase is connected through bolt with the left crankcase lid, and the two is installed with same left bent axle; Right crankcase is connected through bolt with right crankcase cover, and the two is installed with same right bent axle; Left and right crankcases fits together and is connected by bolt, the sticking part of left and right crankcases leaves the gap as the cylinder mounting groove, make a termination of left and right bent axle relative in the cylinder mounting groove, and the coincides of left and right bent axle, the termination of left and right bent axle is connected on the connecting rod of same steam-cylinder piston through crank pin, after connecting rod stretches out the sticking part of left and right crankcases, be connected with the piston of motor.Engine operation, promoting piston does reciprocating linear motion in cylinder, the crank and connecting rod movement that drivening rod and left and right bent axle are formed, left and right bent axle is rotated, stretch out from left and right crankcase cover respectively another termination of left and right bent axle, drive peripheral mechanical operation, realize wheel, realized the fundamental function of crankcase.
For adapting to the needs of other functions of motorcycle, miscellaneous part also is installed on crankcase, as shown in Figure 2: be used for the plug-in mounting trunnion shaft as having the balance axis hole on the right crankcase, suppending hole is convenient to be articulated on the frame of motorcycle under before being provided with, and also has the water pump axis hole on the right crankcase of the water cooled engine that has and is used to install water pump.
Also be provided with oil circuit on the engine right crankcase, comprise oil circuit leading portion and oil circuit back segment, wherein the oil circuit leading portion is arranged on the right crankcase of engine right crankcase body and right crankcase cover junction plane, inlet's junctor oil pump outlet of oil circuit leading portion, oil circuit successively walk around in the suppending hole outside inboard and the water pump axis hole down by the past, and the cylinder mounting groove that is surrounded near right crankcase and left crankcase, pass right crankcase from the oil circuit through hole then, be communicated with the oil circuit back segment, the oil circuit back segment is arranged on the right crankcase of right crankcase and left crankcase junction plane, this oil circuit back segment communicates with oil circuit on the described left crankcase, to the oil circuit fuel feeding of left crankcase.
And the connecting rod that left and right bent axle is formed is as the core component of transmission, be arranged in the space that right crankcase and left crankcase form and move, a large amount of heat energy that connecting rod produces in cylinder mounting groove inner plane to-and-fro motion acting, make each parts and steam-cylinder piston hot soak condition in the cylinder mounting groove, influence the working life of piston, piston ring, connecting rod, crank pin and left and right bent axle.
The shortcoming of prior art is: the temperature in the existing cylinder mounting groove is higher, make each parts and steam-cylinder piston hot soak condition in the cylinder mounting groove, influence the working life of piston, piston ring, connecting rod, crank pin and left and right bent axle, and the oil circuit on the engine right crankcase can only can not be lowered the temperature for each parts that is installed in the cylinder mounting groove to the right crankcase lubricate.
Summary of the invention
The purpose of this invention is to provide a kind of right crankshaft box of motorcycle engine with cooling oilway, its oil circuit can be each parts and steam-cylinder piston cooling in the cylinder mounting groove, thus the working life of improving steam-cylinder piston, piston ring, connecting rod, crank pin and left and right bent axle.
For achieving the above object, the present invention explains a kind of right crankshaft box of motorcycle engine with cooling oilway, comprise oil circuit leading portion and oil circuit back segment, wherein the oil circuit leading portion is arranged on the engine right crankcase body, this oil circuit leading portion is positioned at engine right crankcase body and right crankcase cover junction plane place, inlet's junctor oil pump outlet of oil circuit leading portion, oil circuit successively walk around in the suppending hole outside inboard and the water pump axis hole down by the past, and the cylinder mounting groove that is surrounded near right crankcase and left crankcase, pass with the oil circuit back segment from the oil circuit through hole then and be communicated with, this oil circuit back segment is arranged on the groove that junction plane surrounded of right crankcase and left crankcase, communicate with the oil circuit on the described left crankcase, it is characterized in that: near having oil hole on the oil circuit leading portion of described cylinder mounting groove, this is crossed oil hole and passes described right crankcase and communicate with described cylinder mounting groove.
On the oil circuit of original engine right crankcase, be provided with one and cross oil hole, for the cylinder mounting groove provides cold oil,, improve its working life for the cooling of parts such as the piston in the mounting groove, piston ring, connecting rod, crank pin and left and right bent axle.
Described oil circuit back segment provides lubricant oil for main shaft left bearing, countershaft right bearing.
The described diameter of crossing oil hole is: 0.8～1mm.
Cross the setting of oil hole diameter, both satisfied cooling fuel feeding steady in a long-term, avoid over feeding again, cause cylinder head fuel feeding deficiency.
The described notch of crossing the end openings of oil hole towards described cylinder mounting groove.
Steam-cylinder piston moves reciprocatingly near the notch of cylinder mounting groove, and the end of crossing oil hole is convenient to spray the steam-cylinder piston bottom and is the steam-cylinder piston cooling towards notch.
Described oil circuit leading portion is also walked around from the outside of balance axis hole, and this balance axis hole is before described down by the oil circuit between suppending hole and the water pump axis hole.
Before being arranged on, the trunnion shaft of part cooling engine for motor cycle water between following suppending hole and the water pump axis hole, for this reason,, also to get around the balance axis hole guaranteeing to descend suppending hole and water pump axis hole simultaneously before oil circuit gets around.
Remarkable result of the present invention is: simple in structure, easy to process, only need be on the oil circuit of original engine right crankcase, be provided with one and cross oil hole, just can be each parts and steam-cylinder piston cooling in the cylinder mounting groove, the working life of improving steam-cylinder piston, connecting rod, crank pin and left and right bent axle.
Description of drawings
Fig. 1 is the structural representation of existing crankcase;
Fig. 2 is the plan view of right crankcase 1, and described oil circuit leading portion is positioned at the front of right crankcase 1;
Fig. 3 is the rear view of Fig. 2, and described oil circuit back segment is positioned at the back side of right crankcase 1;
Fig. 4 be the A-A of Fig. 3 to view, the described oil hole of crossing is positioned on the right crankcase 1;
Fig. 5 is the main-vision surface of left crankcase, and this main-vision surface and right crankcase 1 fit.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As Fig. 2,3,4, shown in 5: a kind of right crankshaft box of motorcycle engine with cooling oilway, comprise oil circuit leading portion and oil circuit back segment, wherein the oil circuit leading portion is arranged on the engine right crankcase body 1, this oil circuit leading portion is positioned at engine right crankcase body 1 and right crankcase cover 2 junction plane places, the a of the inlet junctor oil pump outlet of oil circuit leading portion, oil circuit successively walk around in the suppending hole b outside inboard and water pump axis hole e down by the past, and the cylinder mounting groove f that is surrounded near right crankcase 1 and left crankcase 3, pass with the oil circuit back segment from oil circuit through hole g then and be communicated with, this oil circuit back segment is arranged on the groove h that junction plane surrounded of right crankcase 1 and left crankcase 3, communicate with the oil circuit on the described left crankcase 3, it is characterized in that: near having oil hole d on the oil circuit leading portion of described cylinder mounting groove f, this is crossed oil hole d and passes described right crankcase 1 and communicate with described cylinder mounting groove f.
On the oil circuit of original engine right crankcase, be provided with one and cross oil hole d, for the cylinder mounting groove provides cold oil,, improve its working life for the cooling of parts such as the piston in the mounting groove, piston ring, connecting rod, crank pin and left and right bent axle.
The described diameter of crossing oil hole d is: 0.8～1mm.
Cross the setting of oil hole d diameter, both satisfied cooling fuel feeding steady in a long-term, avoid over feeding again, cause cylinder head fuel feeding deficiency.The described diameter of crossing oil hole d can be 0.85mm, 0.9mm, 0.95mm etc.
As shown in Figure 4: the described notch of crossing the end openings of oil hole d towards described cylinder mounting groove f.
Steam-cylinder piston 4 moves reciprocatingly near the notch of cylinder mounting groove f, and the end of crossing oil hole d is towards notch, and being convenient to spray steam-cylinder piston 4 bottoms is steam-cylinder piston 4 coolings.
As shown in Figure 2: described oil circuit leading portion is also walked around from the outside of balance axis hole c, and this balance axis hole c is before described down by the oil circuit between suppending hole b and the water pump axis hole e.
Before being arranged on, the trunnion shaft of part cooling engine for motor cycle water between following suppending hole b and the water pump axis hole e, for this reason,, also to get around balance axis hole c guaranteeing to descend suppending hole b and water pump axis hole e simultaneously before oil circuit gets around.
Working principle of the present invention is:
The machine oil that the outlet of oil circuit receiving machine oil pump provides for each parts on the oil circuit provide cooling and lubricating oil, simultaneously, by crossing oil hole d, to steam-cylinder piston 4 spray machine oil, is each parts in the cylinder mounting groove f and steam-cylinder piston 4 coolings and lubricated.
Claims (4)
1. right crankshaft box of motorcycle engine with cooling oilway, comprise oil circuit leading portion and oil circuit back segment, wherein the oil circuit leading portion is arranged on the engine right crankcase body (1), this oil circuit leading portion is positioned at engine right crankcase body (1) and right crankcase cover (2) junction plane place, the inlet of oil circuit leading portion (a) junctor oil pump outlet, oil circuit successively walk around in suppending hole (b) outside inboard and water pump axis hole (e) down by the past, and the cylinder mounting groove (f) that is surrounded near right crankcase (1) and left crankcase (3), pass with the oil circuit back segment from oil circuit through hole (g) then and be communicated with, this oil circuit back segment is arranged on the groove that junction plane surrounded (h) of right crankcase (1) and left crankcase (3), communicate with the oil circuit on the described left crankcase (3), it is characterized in that: near having oil hole (d) on the oil circuit leading portion of described cylinder mounting groove (f), this is crossed oil hole (d) and passes described right crankcase (1) and communicate with described cylinder mounting groove (f).
2. a kind of right crankshaft box of motorcycle engine with cooling oilway according to claim 1 is characterized in that: the described diameter of crossing oil hole (d) is: 0.8～1mm.
3. a kind of right crankshaft box of motorcycle engine with cooling oilway according to claim 1 and 2 is characterized in that: the described notch of crossing the end openings of oil hole (d) towards described cylinder mounting groove (f).
4. a kind of right crankshaft box of motorcycle engine according to claim 1 and 2 with cooling oilway, it is characterized in that: described oil circuit leading portion is also walked around from the outside of balance axis hole (c), this balance axis hole (c) be positioned at described before down by the oil circuit between suppending hole (b) and the water pump axis hole (e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100931766A CN101463772B (en) | 2007-12-19 | 2007-12-19 | Right crankshaft box of motorcycle engine with cooling oilway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100931766A CN101463772B (en) | 2007-12-19 | 2007-12-19 | Right crankshaft box of motorcycle engine with cooling oilway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101463772A CN101463772A (en) | 2009-06-24 |
| CN101463772B true CN101463772B (en) | 2010-08-11 |
Family
ID=40804520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100931766A Expired - Fee Related CN101463772B (en) | 2007-12-19 | 2007-12-19 | Right crankshaft box of motorcycle engine with cooling oilway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101463772B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500955B (en) * | 2014-12-12 | 2016-11-09 | 广州三雅摩托车有限公司 | A kind of center balanced engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579729A (en) * | 1994-02-18 | 1996-12-03 | Dr. Ing. H.C.F. Porsche Ag | Internal combustion engine |
| CN2625590Y (en) * | 2003-06-11 | 2004-07-14 | 重庆宗申技术开发研究有限公司 | Motorcycle engine with novel cooling oil channel |
| CN2743563Y (en) * | 2004-11-17 | 2005-11-30 | 重庆宗申技术开发研究有限公司 | Engine crank box of bistroke motorcycle |
| CN2856430Y (en) * | 2005-10-31 | 2007-01-10 | 洛阳北方易初摩托车有限公司 | Right crankcase cap with oil lead for motorcycle |
| CN201129240Y (en) * | 2007-12-19 | 2008-10-08 | 力帆实业(集团)股份有限公司 | Right crankshaft case of engine with cool-down oil way |
-
2007
- 2007-12-19 CN CN2007100931766A patent/CN101463772B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579729A (en) * | 1994-02-18 | 1996-12-03 | Dr. Ing. H.C.F. Porsche Ag | Internal combustion engine |
| CN2625590Y (en) * | 2003-06-11 | 2004-07-14 | 重庆宗申技术开发研究有限公司 | Motorcycle engine with novel cooling oil channel |
| CN2743563Y (en) * | 2004-11-17 | 2005-11-30 | 重庆宗申技术开发研究有限公司 | Engine crank box of bistroke motorcycle |
| CN2856430Y (en) * | 2005-10-31 | 2007-01-10 | 洛阳北方易初摩托车有限公司 | Right crankcase cap with oil lead for motorcycle |
| CN201129240Y (en) * | 2007-12-19 | 2008-10-08 | 力帆实业(集团)股份有限公司 | Right crankshaft case of engine with cool-down oil way |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平8-121132A 1996.05.14 |
| JP特开平8-177438A 1996.07.09 |
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| Publication number | Publication date |
|---|---|
| CN101463772A (en) | 2009-06-24 |
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Granted publication date: 20100811 Termination date: 20181219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |