CN103790664A - Engine timing driving system with double balanced shafts - Google Patents
Engine timing driving system with double balanced shafts Download PDFInfo
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- CN103790664A CN103790664A CN201410065247.1A CN201410065247A CN103790664A CN 103790664 A CN103790664 A CN 103790664A CN 201410065247 A CN201410065247 A CN 201410065247A CN 103790664 A CN103790664 A CN 103790664A
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Abstract
The invention discloses an engine timing driving system with double balanced shafts. The engine timing driving system is arranged on the front end face of an engine and comprises a camshaft drive gear, a timing toothed belt, a camshaft timing drive gear, an exhaust side balanced shaft, an air inlet side balanced shaft, an oil pump drive gear, an air inlet side balanced shaft timing drive gear and an oil pump driving gear. The camshaft timing drive gear and the air inlet side balanced shaft timing drive gear are duplicate gears, and the oil pump drive gear and the oil pump driving gear are duplicate gears. The camshaft drive gear and the oil pump drive gear are in transmission connection with the camshaft timing drive gear through the timing toothed belt, the air inlet side balanced shaft timing drive gear is in transmission connection with an air inlet side balanced shaft drive gear on the air inlet side balanced shaft through a balanced shaft toothed belt, and the oil pump driving gear is meshed with an exhaust side balanced shaft gear on the exhaust side balanced shaft. The engine timing driving system is compact in space arrangement and reliable and stable in transmission.
Description
Technical field
The present invention relates to technical field of engines, especially relate to a kind of four cylinder engine correct-timing drive system with double balance shaft.
Background technique
The vibration of motor directly affects the vibration of vehicle, thereby affects its reliability and travelling comfort.Known according to the kinematics analysis of four cylinder engine, the balance of two-stage reciprocating inertia force is the key that solves four cylinder engine vibration problem, double balance shaft in engine correct-timing drive system can be used for the two-stage reciprocating inertia force of balanced engine, reduces engine luggine.
But the existing engine correct-timing drive system complex structure with double balance shaft, cost is high, and the space that takies motor is larger, is not easy to arrange, and reliable transmission is unstable.
Summary of the invention
For prior art deficiency, technical problem to be solved by this invention is to provide a kind of engine correct-timing drive system with double balance shaft, to reach space characteristics of compact layout, the stable object of reliable transmission.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of engine correct-timing drive system with double balance shaft, described engine correct-timing drive system is arranged on motor head face, it comprises camshaft drive gear, timing toothed belt, camshaft timing actuation gear, exhaust side trunnion shaft, air inlet lateral balance axle, Oil pump drive gear, also comprise air inlet lateral balance axle timing actuation gear and oil pump driving gear, described camshaft timing actuation gear and air inlet lateral balance axle timing actuation gear are duplicate gear, described Oil pump drive gear and oil pump driving gear are duplicate gear, described camshaft drive gear is connected with the transmission of camshaft timing actuation gear by timing toothed belt with Oil pump drive gear, described air inlet lateral balance axle timing actuation gear is connected by the transmission of trunnion shaft toothed belt with the air inlet lateral balance axle actuation gear on air inlet lateral balance axle, described oil pump driving gear is meshed with exhaust side balance shaft gear on exhaust side trunnion shaft.
Further, described exhaust side balance shaft gear is oil pump driven gear, the be meshed power train of formative gear formula oil pump of described oil pump driving gear and exhaust side balance shaft gear.
Described oil pump driving gear and exhaust side balance shaft gear are helical gear.
The drive train that described camshaft drive gear and Oil pump drive gear and camshaft timing actuation gear form is positioned at whole train outermost.
It is the most inboard that described air inlet lateral balance axle actuation gear, air inlet lateral balance axle timing actuation gear, oil pump driving gear and exhaust side balance shaft gear are positioned at whole train.
Described oil pump driving gear interference fit is fixed on coupling shaft one end, and Oil pump drive gear is arranged on the coupling shaft the other end by bolt.
Described air inlet lateral balance axle and exhaust side trunnion shaft lay respectively at the both sides of camshaft drive gear.
Between described air inlet lateral balance axle timing actuation gear and air inlet lateral balance axle actuation gear, be provided with for the trunnion shaft toothed belt Idle wheel to the tensioning of trunnion shaft toothed belt.
The present invention compared with prior art, have the following advantages: four cylinder engine is by toothed belt transmission, divide two working surfaces timing wheel train, each transmission part compact Layout together, save arrangement space, be convenient to arrange, complete balance two-stage reciprocating inertia force by two trunnion shaft move toward one another, reduce vibration and noise, reliable transmission is stable.
Accompanying drawing explanation
Below the mark in the each width accompanying drawing of this specification expressed content and figure is briefly described:
Fig. 1 is that engine correct-timing drive system of the present invention is arranged schematic diagram.
Fig. 2 is the shaft side figure that engine correct-timing drive system of the present invention is seen from motor head.
Fig. 3 is the shaft side figure that engine correct-timing drive system of the present invention is seen from motor rear end.
In figure: 1. camshaft drive gear, 2. timing toothed belt, 3. idle pulley, 4. exhaust side balance shaft gear, 5. Oil pump drive gear, 6. camshaft timing actuation gear, 7. air inlet lateral balance axle timing actuation gear, 8. trunnion shaft toothed belt Idle wheel, 9. air inlet lateral balance axle actuation gear, 10. trunnion shaft toothed belt, 11. camshaft timing toothed belt Idle wheels, 12. exhaust side trunnion shafves, 13. oil pump driving gears, 14. air inlet lateral balance axles, 15. coupling shafts.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1 to Figure 3, for a kind of automobile four cylinder engine correct-timing drive system in upright arrangement, have double balance shaft, characteristics of compact layout, is convenient to arrange, completes balance two-stage reciprocating inertia force by two trunnion shaft move toward one another, reduces vibration, and transmission is stable.
This engine correct-timing drive system is arranged on motor head face, it comprises camshaft drive gear 1, timing toothed belt 2, camshaft timing actuation gear 6, exhaust side trunnion shaft 12, air inlet lateral balance axle 14, Oil pump drive gear 5, air inlet lateral balance axle timing actuation gear 7 and oil pump driving gear 13, wherein, camshaft timing actuation gear 6 and air inlet lateral balance axle timing actuation gear 7 are duplicate gear, and Oil pump drive gear 5 and oil pump driving gear 13 are duplicate gear.
Oil pump driving gear 13 interference fit are fixed on coupling shaft 15 one end, and Oil pump drive gear 5 is arranged on coupling shaft 15 the other ends by bolt, and formation duplicate gear is connected and fixed.
Camshaft drive gear 1 is connected with 6 transmissions of camshaft timing actuation gear by timing toothed belt 2 with Oil pump drive gear 5, and wherein, camshaft drive gear 1 is arranged on camshaft by bolt, and realizes timing location by keyway.Be respectively equipped with idle pulley 3 and camshaft timing toothed belt Idle wheel 11 in the both sides of timing toothed belt, to 2 tensionings of timing toothed belt.
Air inlet lateral balance axle timing actuation gear 7 is connected by 10 transmissions of trunnion shaft toothed belt with the air inlet lateral balance axle actuation gear 9 on air inlet lateral balance axle 14, and is provided with for the trunnion shaft toothed belt Idle wheel 8 to 10 tensionings of trunnion shaft toothed belt between air inlet lateral balance axle timing actuation gear 7 and air inlet lateral balance axle actuation gear 9.
Oil pump driving gear 13 is meshed with exhaust side balance shaft gear 4 on exhaust side trunnion shaft 12.Exhaust side balance shaft gear 4 is oil pump driven gear, and the power train that oil pump driving gear and exhaust side balance shaft gear are meshed formative gear formula oil pump, realizes the effect of oil pump pressurization, drives exhaust side trunnion shaft to rotate together, characteristics of compact layout simultaneously.
Wherein, oil pump driving gear 13 and exhaust side balance shaft gear 4 are helical gear, and transmission is stable.In mounting hole on exhaust side balance shaft gear, be processed with plane and match with the plane of processing on exhaust side trunnion shaft, realize timing location, be fixed on together by bolt.
Air inlet lateral balance axle 14 and exhaust side trunnion shaft 12 lay respectively at the both sides of camshaft drive gear 1; The drive train that camshaft drive gear and Oil pump drive gear and camshaft timing actuation gear form is positioned at whole train outermost; It is the most inboard that air inlet lateral balance axle actuation gear, air inlet lateral balance axle timing actuation gear, oil pump driving gear and exhaust side balance shaft gear are positioned at whole train, near motor, compact structure, be convenient to arrange, be specially adapted to small displacement engine, arrangement space is limited.
When crankshaft operation, crank-driven air inlet lateral balance axle timing actuation gear rotates, and drives air inlet lateral balance axle actuation gear to rotate, thereby drive air inlet lateral balance axle to rotate by trunnion shaft toothed belt; Camshaft oil pump correct-timing drive system, rotates by timing toothed belt drive cam shaft actuation gear, and rotations that be meshed of oil pump driving gear and exhaust side balance shaft gear drives the rotation of exhaust side trunnion shaft simultaneously.Now inlet and outlet lateral balance axle direction is contrary, and wherein exhaust side trunnion shaft is identical with Crankshaft motion direction, thereby reaches the object of balanced engine two-stage reciprocating inertia force, reduces vibration and noise, and reliable transmission is stable.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technological scheme carry out; or without improving, design of the present invention and technological scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (8)
1. one kind has the engine correct-timing drive system of double balance shaft, described engine correct-timing drive system is arranged on motor head face, it comprises camshaft drive gear, timing toothed belt, camshaft timing actuation gear, exhaust side trunnion shaft, air inlet lateral balance axle, Oil pump drive gear, it is characterized in that: also comprise air inlet lateral balance axle timing actuation gear and oil pump driving gear, described camshaft timing actuation gear and air inlet lateral balance axle timing actuation gear are duplicate gear, described Oil pump drive gear and oil pump driving gear are duplicate gear, described camshaft drive gear is connected with the transmission of camshaft timing actuation gear by timing toothed belt with Oil pump drive gear, described air inlet lateral balance axle timing actuation gear is connected by the transmission of trunnion shaft toothed belt with the air inlet lateral balance axle actuation gear on air inlet lateral balance axle, described oil pump driving gear is meshed with exhaust side balance shaft gear on exhaust side trunnion shaft.
2. the engine correct-timing drive system with double balance shaft as claimed in claim 1, it is characterized in that: described exhaust side balance shaft gear is oil pump driven gear the be meshed power train of formative gear formula oil pump of described oil pump driving gear and exhaust side balance shaft gear.
3. the engine correct-timing drive system with double balance shaft as claimed in claim 1, is characterized in that: described oil pump driving gear and exhaust side balance shaft gear are helical gear.
4. the engine correct-timing drive system with double balance shaft as claimed in claim 1, is characterized in that: the drive train that described camshaft drive gear and Oil pump drive gear and camshaft timing actuation gear form is positioned at whole train outermost.
5. the engine correct-timing drive system with double balance shaft as claimed in claim 1, is characterized in that: it is the most inboard that described air inlet lateral balance axle actuation gear, air inlet lateral balance axle timing actuation gear, oil pump driving gear and exhaust side balance shaft gear are positioned at whole train.
6. the engine correct-timing drive system with double balance shaft as claimed in claim 1, is characterized in that: described oil pump driving gear interference fit is fixed on coupling shaft one end, and Oil pump drive gear is arranged on the coupling shaft the other end by bolt.
7. the engine correct-timing drive system with double balance shaft as claimed in claim 1, is characterized in that: described air inlet lateral balance axle and exhaust side trunnion shaft lay respectively at the both sides of camshaft drive gear.
8. the engine correct-timing drive system with double balance shaft as claimed in claim 1, is characterized in that: between described air inlet lateral balance axle timing actuation gear and air inlet lateral balance axle actuation gear, be provided with for the trunnion shaft toothed belt Idle wheel to the tensioning of trunnion shaft toothed belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065247.1A CN103790664B (en) | 2014-02-25 | 2014-02-25 | A kind of engine correct-timing drive system with double balance shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065247.1A CN103790664B (en) | 2014-02-25 | 2014-02-25 | A kind of engine correct-timing drive system with double balance shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103790664A true CN103790664A (en) | 2014-05-14 |
| CN103790664B CN103790664B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410065247.1A Active CN103790664B (en) | 2014-02-25 | 2014-02-25 | A kind of engine correct-timing drive system with double balance shaft |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402296A (en) * | 2015-07-29 | 2017-02-15 | 马自达汽车株式会社 | Driving force transmission system for engine |
| CN113107629A (en) * | 2021-05-07 | 2021-07-13 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
| CN114352374A (en) * | 2022-01-14 | 2022-04-15 | 中国第一汽车股份有限公司 | Timing chain transmission system and engine |
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| CN201180761Y (en) * | 2008-02-02 | 2009-01-14 | 李尧 | Vertical engine with good vibration damping performance |
| CN102061955A (en) * | 2011-01-27 | 2011-05-18 | 奇瑞汽车股份有限公司 | Timing wheel train of engine |
| CN201902242U (en) * | 2011-03-11 | 2011-07-20 | 盖茨优霓塔传动系统(苏州)有限公司 | Timing driving system and diesel engine |
| CN202280790U (en) * | 2011-09-30 | 2012-06-20 | 长城汽车股份有限公司 | Balance mechanism for internal combustion engine |
| DE102011088215A1 (en) * | 2011-12-12 | 2013-06-13 | Schaeffler Technologies AG & Co. KG | Balancer device for e.g. input of idle mass forces of four-stroke four-cylinder in-line engine, has balancer shafts that are rotated with each other with specific range of motor order, and intermediate gears driven by balancer shafts |
| CN103185062A (en) * | 2011-12-31 | 2013-07-03 | 上海汽车集团股份有限公司 | Crank shaft balanced system of inline three-cylinder engine |
| DE102012005578A1 (en) * | 2012-03-20 | 2013-09-26 | Daimler Ag | Internal combustion engine e.g. three-cylinder internal combustion engine for motor car, has balancing shaft that is driven to equal rotational speed of crankshaft, which is double to rotational speed of camshaft |
-
2014
- 2014-02-25 CN CN201410065247.1A patent/CN103790664B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201180761Y (en) * | 2008-02-02 | 2009-01-14 | 李尧 | Vertical engine with good vibration damping performance |
| CN102061955A (en) * | 2011-01-27 | 2011-05-18 | 奇瑞汽车股份有限公司 | Timing wheel train of engine |
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| DE102011088215A1 (en) * | 2011-12-12 | 2013-06-13 | Schaeffler Technologies AG & Co. KG | Balancer device for e.g. input of idle mass forces of four-stroke four-cylinder in-line engine, has balancer shafts that are rotated with each other with specific range of motor order, and intermediate gears driven by balancer shafts |
| CN103185062A (en) * | 2011-12-31 | 2013-07-03 | 上海汽车集团股份有限公司 | Crank shaft balanced system of inline three-cylinder engine |
| DE102012005578A1 (en) * | 2012-03-20 | 2013-09-26 | Daimler Ag | Internal combustion engine e.g. three-cylinder internal combustion engine for motor car, has balancing shaft that is driven to equal rotational speed of crankshaft, which is double to rotational speed of camshaft |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402296A (en) * | 2015-07-29 | 2017-02-15 | 马自达汽车株式会社 | Driving force transmission system for engine |
| US10006535B2 (en) | 2015-07-29 | 2018-06-26 | Mazda Motor Corporation | Driving force transmission system for engine |
| CN113107629A (en) * | 2021-05-07 | 2021-07-13 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
| CN113107629B (en) * | 2021-05-07 | 2022-06-07 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
| CN114352374A (en) * | 2022-01-14 | 2022-04-15 | 中国第一汽车股份有限公司 | Timing chain transmission system and engine |
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| Publication number | Publication date |
|---|---|
| CN103790664B (en) | 2016-08-17 |
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