CN104500955A - Center balancing engine - Google Patents
Center balancing engine Download PDFInfo
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- CN104500955A CN104500955A CN201410766054.9A CN201410766054A CN104500955A CN 104500955 A CN104500955 A CN 104500955A CN 201410766054 A CN201410766054 A CN 201410766054A CN 104500955 A CN104500955 A CN 104500955A
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- bent axle
- bearing
- crankcase
- center
- trunnion shaft
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Abstract
The embodiment of the invention discloses a center balancing engine. The vibration of the engine can be reduced, and meanwhile, lubricating oil splashed in a rotating process of a starting gear can be effectively recycled to save resources and effectively prolong the service life of the engine. The center balancing engine comprises a crankshaft, a balancing shaft and a crankcase, wherein a bilaterally-split design is adopted for the crankcase; the balancing shaft is arranged in parallel with the crankshaft; the left journal of the balancing shaft is supported on a first bearing of the left crankcase, and the right journal of the balancing shaft is supported on a second bearing of the right crankcase; a gear on the crankshaft is meshed with a gear on the balancing shaft; the balancing shaft is driven by the crankshaft to rotate together; the starting gear is further arranged on the left side of the crankshaft; an oil baffle plate is arranged at the junction of a position, close to the circumference of the crankshaft of the left crankcase and the first bearing along the tangential direction of the circumference of the first bearing.
Description
Technical field
The present invention relates to Motorcycle Engine Technology field, relate to a kind of center balanced engine further.
Background technique
The problem that the vibration of motorcycle engine ubiquity is larger, in order to reduce the vibration of motor, can arrange balanced controls usually in crankcase.The left-hand axis neck of balance shaft of engine is bearing on the clutch shaft bearing of left crankcase, right-hand axis neck is bearing on the second bearing of right crankcase, this trunnion shaft and bent axle be arranged in parallel, gear on bent axle and the gears meshing on trunnion shaft, bent axle drives trunnion shaft to rotate together, also starter receiver has been housed in the left side of bent axle.
When playing the lubricant oil not only greasy dirt not easy cleaning of splashing in starter receiver rotation process, also create the wasting of resources.
Summary of the invention
Embodiments provide a kind of center balanced engine, while reduction engine vibration, effectively can recycle playing the lubricant oil splashed in starter receiver rotation process, economizing on resources, effectively extending the working life of motor.
A kind of center balanced engine that the embodiment of the present invention provides comprises:
Bent axle, trunnion shaft, crankcase, crankcase designs for split left and right;
Trunnion shaft and bent axle be arranged in parallel, and its left-hand axis neck is bearing on the clutch shaft bearing of left crankcase, and right-hand axis neck is bearing on the second bearing of right crankcase;
Gear on bent axle and the gears meshing on trunnion shaft, bent axle drives trunnion shaft to rotate together;
Starter receiver has also been equipped with in the left side of bent axle;
Left crankcase is near bent axle circumference and position, clutch shaft bearing boundary, and the secant direction along clutch shaft bearing circumference is provided with an oil baffle.
Optionally,
This oil baffle and crankshaft center horizontal line angulation scope are 60 ° to 75 °.
Optionally,
Oil baffle distance crankshaft center 49.76mm is 30.6mm with the distance in closing lid face;
Optionally,
This oil baffle thickness is 3mm.
Optionally,
Right crankcase comprise for lubricating oil flow oil duct and storage the second bearing the columned cavity of class, oil duct is arranged at the back side of cavity bottom surface, and oil duct place straight line cuts mutually with cavity circumference;
This oil duct offers oil guiding hole, and oil guiding hole is positioned on the secant of oil duct place straight line and cavity circumference.
Optionally,
If with crankshaft center to chamber central line for X-axis postive direction, crossing crankshaft center and X-axis vertical line is Y-axis, and oil guiding hole position coordinate is X:51, Y:7 or X:51, Y:-7.
Optionally,
Oil guiding hole diameter is 1mm.
Optionally,
Bent axle two bearings span is 95.5mm.
Optionally,
Bent axle axis hole offered by bent axle, and trunnion shaft offers balance axis hole;
Bent axle axis hole and trunnion shaft axis hole centre distance are 62.5mm.
Optionally,
Trunnion shaft cogs and comprises trunnion shaft driving gear and balance shaft driven gear wheel;
Trunnion shaft driving gear diameter is 7mm;
Balance shaft driven gear wheel diameter is 6mm.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Compared with available engine, in the present invention, the left crankcase of motor is near bent axle circumference and position, clutch shaft bearing boundary, and the secant direction along clutch shaft bearing circumference is provided with an oil baffle.The lubricant oil splashed in starter receiver rotation process spills along bent axle tangent to periphery, stops through oil baffle, flow in clutch shaft bearing, lubricate clutch shaft bearing ball, and effective recycling lubricant oil, extends the working life of motor simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of center balanced engine embodiment horizontal section structural drawing in the present invention;
Fig. 2 is a kind of center balanced engine embodiment left crankshaft box body structure figure in the present invention;
Fig. 3 is a kind of center balanced engine embodiment right crankshaft box body structure figure in the present invention;
Fig. 4 is the structure figure of a kind of center balanced engine embodiment right crankcase in the present invention;
Fig. 5 is a kind of center balanced engine embodiment part sectioned view in the present invention;
Fig. 6 is bent axle and trunnion shaft centre distance mark figure in Fig. 1.
Embodiment
Embodiments provide a kind of center balanced engine, while reduction engine vibration, effectively can recycle playing the lubricant oil splashed in starter receiver rotation process, economizing on resources, effectively extending the working life of motor.
Refer to Fig. 1, a kind of center balanced engine that the embodiment of the present invention provides comprises:
Bent axle 6, trunnion shaft 1, crankcase, crankcase designs for split left and right;
Trunnion shaft 1 and bent axle 6 be arranged in parallel, and its left-hand axis neck is bearing on the clutch shaft bearing 3 of left crankcase 2, and right-hand axis neck is bearing on the second bearing 5 of right crankcase 4;
Gear on bent axle and the gears meshing on trunnion shaft, bent axle drives trunnion shaft to rotate together;
Starter receiver (not shown) has also been equipped with in the left side of bent axle;
Refer to Fig. 2, left crankcase 2 to have a common boundary position near bent 6 circumference and clutch shaft bearing 3, and the secant direction along clutch shaft bearing 3 circumference is provided with an oil baffle 7.
In the present embodiment, compared with available engine, in the present invention, the left crankcase 2 of motor to have a common boundary position near bent axle 6 circumference and clutch shaft bearing 3, and the secant direction along clutch shaft bearing 3 circumference is provided with an oil baffle 7.The lubricant oil splashed in starter receiver rotation process spills along bent axle tangent to periphery, stops through oil baffle, flow in clutch shaft bearing, lubricate clutch shaft bearing ball, and effective recycling lubricant oil, extends the working life of motor simultaneously.
It should be noted that, in specific process, this oil baffle and crankshaft center horizontal line angulation scope are 60 ° to 75 °.Preferably, oil baffle distance crankshaft center 49.76mm is 30.6mm with the distance in closing lid face.Above-mentioned closing lid face is place, two crankcase body junctions, left and right plane.
Preferably, this oil baffle thickness can be 3mm.
Refer to Fig. 3 and Fig. 4, a kind of center balanced engine of the embodiment of the present invention comprises further:
Right crankcase 4 comprise for lubricating oil flow oil duct 8 and storage the second bearing 5 the columned cavity 9 of class, oil duct 8 is arranged at the back side of cavity 9 bottom surface, sees Fig. 3, and oil duct 8 place straight line cuts mutually with cavity 9 circumference;
This oil duct offers oil guiding hole, and oil guiding hole is positioned on the secant of oil duct place straight line and cavity circumference.
In the present embodiment, distinguish with prior art and be, right crankcase 4 comprise for lubricating oil flow oil duct 8 and storage the second bearing 5 the columned cavity 9 of class, oil duct 8 is arranged at the back side of cavity 9 bottom surface, see Fig. 3, oil duct 8 place straight line cuts mutually with cavity 9 circumference; This oil duct 8 offers oil guiding hole 10, and oil guiding hole is positioned on the secant of oil duct 8 place straight line and cavity 9 circumference.
It should be noted that, in concrete processing, if with crankshaft center to chamber central line for X-axis postive direction, cross crankshaft center and X-axis vertical line is Y-axis, because Y direction can have two, cause oil guiding hole position coordinate to be X:51, Y:7 or X:51, Y:-7.
Preferably, oil guiding hole diameter is 1mm.
Refer to Fig. 5, the present invention is in order to reduce entire engine size, and bent axle two bearings span is 95.5mm.
The present invention comprises further: bent axle axis hole offered by bent axle, and trunnion shaft offers balance axis hole; Bent axle axis hole and trunnion shaft axis hole centre distance are 62.5mm.
Trunnion shaft cogs and comprises trunnion shaft driving gear and balance shaft driven gear wheel; Trunnion shaft driving gear diameter is 7mm; Balance shaft driven gear wheel diameter is 6mm.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the device of foregoing description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.In several embodiments that the application provides, should be understood that, disclosed device can realize by another way.
Above embodiment only in order to technological scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (10)
1. a center balanced engine, is characterized in that, comprising:
Bent axle, trunnion shaft, crankcase, described crankcase designs for split left and right;
Described trunnion shaft and described bent axle be arranged in parallel, and its left-hand axis neck is bearing on the clutch shaft bearing of left crankcase, and right-hand axis neck is bearing on the second bearing of right crankcase;
Gear on described bent axle and the gears meshing on trunnion shaft, bent axle drives trunnion shaft to rotate together;
Starter receiver has also been equipped with in the left side of described bent axle;
Described left crankcase is near described crankshaft center and position, described clutch shaft bearing boundary, and the secant direction along clutch shaft bearing circumference is provided with an oil baffle.
2. center according to claim 1 balanced engine, is characterized in that,
Described oil baffle and described crankshaft center horizontal line angulation scope are 60 ° to 75 °.
3. center according to claim 1 balanced engine, is characterized in that,
Described oil baffle, apart from described crankshaft center 49.76mm, is 30.6mm with the distance in closing lid face.
4. center according to any one of claim 1 to 3 balanced engine, is characterized in that,
Described oil baffle thickness is 3mm.
5. center according to claim 1 balanced engine, is characterized in that,
Described right crankcase comprise for lubricating oil flow oil duct and receive the columned cavity of class of described second bearing, described oil duct is arranged at the back side of described cavity bottom surface, and described oil duct place straight line cuts mutually with described cavity circumference;
Described oil duct offers oil guiding hole, and described oil guiding hole is positioned on the secant of described oil duct place straight line and described cavity circumference.
6. center according to claim 5 balanced engine, is characterized in that,
If with described crankshaft center to described chamber central line for X-axis postive direction, crossing described crankshaft center and X-axis vertical line is Y-axis, and described oil guiding hole position coordinate is X:51, Y:7 or X:51, Y:-7.
7. the center balanced engine according to claim 5 or 6, is characterized in that,
Described oil guiding hole diameter is 1mm.
8. center according to claim 1 balanced engine, is characterized in that,
Described bent axle two bearings span is 95.5mm.
9. center according to claim 1 balanced engine, is characterized in that,
Bent axle axis hole offered by described bent axle, and described trunnion shaft offers balance axis hole;
Described bent axle axis hole and described trunnion shaft axis hole centre distance are 62.5mm.
10. center according to claim 1 balanced engine, is characterized in that,
Described trunnion shaft cogs and comprises trunnion shaft driving gear and balance shaft driven gear wheel;
Described trunnion shaft driving gear diameter is 7mm;
Described balance shaft driven gear wheel diameter is 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766054.9A CN104500955B (en) | 2014-12-12 | 2014-12-12 | A kind of center balanced engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766054.9A CN104500955B (en) | 2014-12-12 | 2014-12-12 | A kind of center balanced engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500955A true CN104500955A (en) | 2015-04-08 |
| CN104500955B CN104500955B (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410766054.9A Active CN104500955B (en) | 2014-12-12 | 2014-12-12 | A kind of center balanced engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279854A (en) * | 2021-05-28 | 2021-08-20 | 广州三雅摩托车有限公司 | Engine structure capable of reducing excessive leaping of engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463772A (en) * | 2007-12-19 | 2009-06-24 | 力帆实业(集团)股份有限公司 | Right crankshaft box of motorcycle engine with cooling oilway |
| DE102008060412A1 (en) * | 2008-11-28 | 2010-06-02 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | internal combustion engine |
| CN102121430A (en) * | 2011-03-31 | 2011-07-13 | 力帆实业(集团)股份有限公司 | Left crankcase body of motorcycle engine |
| CN102392711A (en) * | 2011-11-22 | 2012-03-28 | 力帆实业(集团)股份有限公司 | Engine balance shaft oil pressure releasing structure |
| CN102628503A (en) * | 2012-04-11 | 2012-08-08 | 力帆实业(集团)股份有限公司 | External gear structure for engine balance shaft |
| CN203347939U (en) * | 2013-06-19 | 2013-12-18 | 简兆华 | Crankcase of motorcycle engine |
-
2014
- 2014-12-12 CN CN201410766054.9A patent/CN104500955B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463772A (en) * | 2007-12-19 | 2009-06-24 | 力帆实业(集团)股份有限公司 | Right crankshaft box of motorcycle engine with cooling oilway |
| DE102008060412A1 (en) * | 2008-11-28 | 2010-06-02 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | internal combustion engine |
| CN102121430A (en) * | 2011-03-31 | 2011-07-13 | 力帆实业(集团)股份有限公司 | Left crankcase body of motorcycle engine |
| CN102392711A (en) * | 2011-11-22 | 2012-03-28 | 力帆实业(集团)股份有限公司 | Engine balance shaft oil pressure releasing structure |
| CN102628503A (en) * | 2012-04-11 | 2012-08-08 | 力帆实业(集团)股份有限公司 | External gear structure for engine balance shaft |
| CN203347939U (en) * | 2013-06-19 | 2013-12-18 | 简兆华 | Crankcase of motorcycle engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279854A (en) * | 2021-05-28 | 2021-08-20 | 广州三雅摩托车有限公司 | Engine structure capable of reducing excessive leaping of engine |
| CN113279854B (en) * | 2021-05-28 | 2021-12-10 | 广州三雅摩托车有限公司 | Engine structure capable of reducing excessive leaping of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104500955B (en) | 2016-11-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Center balancing engine Effective date of registration: 20181217 Granted publication date: 20161109 Pledgee: Guangzhou Conghua Branch of China Construction Bank Co., Ltd. Pledgor: GUANGZHOU SANYA MOTORCYCLE CO. LTD. Registration number: 2018440020083 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190820 Granted publication date: 20161109 Pledgee: Guangzhou Conghua Branch of China Construction Bank Co., Ltd. Pledgor: GUANGZHOU SANYA MOTORCYCLE CO. LTD. Registration number: 2018440020083 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Center balancing engine Effective date of registration: 20190823 Granted publication date: 20161109 Pledgee: Guangzhou Conghua Branch of China Construction Bank Co., Ltd. Pledgor: GUANGZHOU SANYA MOTORCYCLE CO. LTD. Registration number: Y2019440000022 |