CN202280790U - Balance mechanism for internal combustion engine - Google Patents
Balance mechanism for internal combustion engine Download PDFInfo
- Publication number
- CN202280790U CN202280790U CN2011203705097U CN201120370509U CN202280790U CN 202280790 U CN202280790 U CN 202280790U CN 2011203705097 U CN2011203705097 U CN 2011203705097U CN 201120370509 U CN201120370509 U CN 201120370509U CN 202280790 U CN202280790 U CN 202280790U
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- gear
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- driving shaft
- driven
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Abstract
The utility model relates to a balance mechanism for an internal combustion engine. The balance mechanism comprises a balance shaft, a transmission gear, a lubrication system and a shell, wherein the balance shaft comprises a driving shaft and a driven shaft; the transmission gear consists of a crankshaft driving gear, an idler gear, a driving shaft driving gear, a driving shaft transmission gear and a driven shaft driving gear; the crankshaft driving gear is fixed on a crankshaft; the idler gear is in external meshing with the crankshaft driving gear; the driving shaft driving gear is in external meshing with the idler gear; the driving shaft driving gear and the driving shaft transmission gear are both fixed on the driving shaft; and the driven shaft driving gear is fixed on the driven shaft and is in external meshing with the driving shaft transmission gear. The balance mechanism is driven by a gear transmission system with the idler gear, the running is stable, the noise is low, and the reliability is high; and the independent lubrication system is arranged on the upper shell, so that the balance shaft has excellent lubrication guarantee in running, the number of lubrication oil holes on a cylinder body is reduced, and the processing difficulty of the cylinder body is reduced.
Description
Technical field
The utility model relates to balanced controls and the oil leab thereof in a kind of internal-combustion engine, relates in particular to a kind of balanced controls and lubrication system thereof of in-line four cylinder motor two-stage reciprocating inertia force, belongs to technical field of internal combustion engines.
Background technique
Motor (for example in-line four cylinder motor) high speed to-and-fro motion meeting because of serial parts such as pistons when work produces great two-stage reciprocating inertia force; For vehicle-mounted in-line four cylinder motor; Its two-stage reciprocating inertia force is the main generation root of Vehicular vibration and noise, directly has influence on vehicle driving stationarity and riding comfort.At present, people are provided with two individually balanced axles on cylinder body, and its lubrication system links to each other with the lubricating cylinders oil circuit; And adopt chain or direct geared driving mode, eliminate the two-stage reciprocating inertia force of motor with this, but this mechanism structure is complicated; Take than large space; And structural design, processing technology to cylinder body are had relatively high expectations, and bring difficulty for the layout of on-board engine and cylinder body processing, have increased the manufacture cost of motor.
The model utility content
The purpose of the utility model is the drawback to existing technology, provides a kind of compact structure, stable drive also can reduce the internal-combustion engine balanced controls of motor manufacture cost.
The said problem of the utility model realizes with following technical proposals:
A kind of internal-combustion engine balanced controls; Comprise trunnion shaft, driving gear, lubrication system and housing in the formation, said trunnion shaft comprises driving shaft and driven shaft, and said driving gear is made up of crank-driven gear, idle pulley, driving shaft actuation gear, driving shaft driving gear and driven shaft actuation gear; Said crank-driven gear is fixed on the bent axle; Said idle pulley and the outer gearing of crank-driven gear, said driving shaft actuation gear and idle pulley outer gearing, driving shaft actuation gear and driving shaft driving gear all are fixed on the driving shaft; Said driven shaft actuation gear is fixed on the driven shaft, with the outer gearing of driving shaft driving gear.
Above-mentioned internal-combustion engine balanced controls; Said lubrication system is arranged on the housing corresponding position; Form by filler opening, oil leab, trunnion shaft axle journal place's oil outlet and bolt of idler gear place oil outlet; Said filler opening is connected with the engine lubrication main oil gallery, and said oil leab is connected between filler opening and each oil outlet, and said axle journal place's oil outlet and bolt of idler gear place oil outlet communicate with corresponding lubricant housings.
Above-mentioned internal-combustion engine balanced controls, said housing is positioned at engine sump tank, is made up of upper shell and lower shell body two-part, and said upper shell is fixedly connected with engine cylinder-body, and said lower shell body and upper shell are equipped, and trunnion shaft is arranged in the housing.
Above-mentioned internal-combustion engine balanced controls; Said idle pulley gear teeth number is identical with the gear teeth number of crank-driven gear; Said driving shaft actuation gear, driving shaft driving gear and driven shaft actuation gear gear teeth number are identical, and driving shaft actuation gear gear teeth number is 1/2nd of a crank-driven gear tooth number.
Above-mentioned internal-combustion engine balanced controls, said driving shaft and driven shaft all have the identical in structure eccentric weight.
The utility model improves existing in-line four cylinder motor two-stage reciprocating inertia force balance mode, adopts the gear train assembly that has idle pulley to drive, and running is steady, and noise is little, and reliability is high.Compare with belt transmission or chain-driven, do not influence in the time of can not receiving Timing Belt random, reduced component such as corresponding tension device, slide rail; With the direct geared velocity ratio, can adopt the gear of small radii size, occupy little space on the one hand, be convenient to the layout and the maintenance of on-board engine, reduced the motor manufacture cost on the other hand.Because the utility model is positioned at I. C. engine oil drain pan inside, independently lubrication system is arranged simultaneously, make the trunnion shaft running have excellent lubrication to guarantee, and reduced the quantity of oilhole on the cylinder body, thereby further reduced the motor manufacture cost at upper shell.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the blast structural drawing of the utility model;
Fig. 2 is the utility model drive connection schematic representation;
Fig. 3 is that the utility model lubrication system is arranged schematic representation;
Fig. 4 is the utility model oil leab Section View;
Fig. 5 is an A place structure enlarged view among Fig. 4.
Each label is among the figure: 1, upper shell, 2, the crank-driven gear, 3, idle pulley, 3-1, idle pulley bearing, 3-2, lining; 3-3, bolt of idler gear, 3-4, pad, 4, the driving shaft actuation gear, 5, lower shell body; 6, driving shaft driving gear, 7, driving shaft, 8, driven shaft, 9, the driven shaft actuation gear; 10, filler opening, 11, oil leab, 12, axle journal place oil outlet, 13, bolt of idler gear place oil outlet.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4; The utility model comprises trunnion shaft, driving gear, lubrication system and housing in constituting; Said trunnion shaft comprises driving shaft 7 and driven shaft 8; Said driving gear is made up of crank-driven gear 2, idle pulley 3, driving shaft actuation gear 4, driving shaft driving gear 6 and driven shaft actuation gear 9, and said crank-driven gear 2 is fixed on the bent axle, said idle pulley 3 and 2 outer gearings of crank-driven gear; Said driving shaft actuation gear 4 and idle pulley 3 outer gearings; Driving shaft actuation gear 4 all is fixed on the driving shaft 7 with driving shaft driving gear 6, and said driven shaft actuation gear 9 is fixed on the driven shaft 8, with 6 outer gearings of driving shaft driving gear.
Referring to Fig. 3, Fig. 4, Fig. 5; Lubrication system during the utility model constitutes is arranged on the housing corresponding position; Form by filler opening 10, oil leab 11, axle journal place oil outlet 12 and bolt of idler gear place oil outlet 13; Said filler opening 10 is connected with the engine lubrication main oil gallery, and said oil leab 11 is connected between filler opening 10 and each oil outlet, and said axle journal place oil outlet 12 and bolt of idler gear place oil outlet 13 communicate with corresponding lubricant housings.
Referring to Fig. 1, the housing during the utility model constitutes is positioned at engine sump tank, is made up of upper shell 1 and lower shell body 5 two-part, and said upper shell 1 is fixedly connected with engine cylinder-body, and said lower shell body 5 is equipped with upper shell 1, and trunnion shaft is arranged in the housing.
Referring to Fig. 1; Idle pulley 3 gear teeth numbers during the utility model constitutes are identical with the gear teeth number of crank-driven gear 2; Driving shaft actuation gear 4, driving shaft driving gear 6 and driven shaft actuation gear 9 gear teeth numbers are identical, and driving shaft actuation gear 4 gear teeth numbers are crank-driven gear 2 tooth number purposes 1/2nd.
Referring to Fig. 1, the driving shaft 7 during the utility model constitutes all has the identical in structure eccentric weight with driven shaft 8.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5; The working principle of the utility model is: one, as a kind of internal-combustion engine balanced controls; Driving shaft 7 and the axle of driven shaft 8 for the band eccentric weight; Crank-driven gear 2 is assemblied on the bent axle for driving wheel, through idle pulley 3 rotation is passed to driving shaft actuation gear 4, and driving shaft actuation gear 4 drives driving shaft 7 and rotates; Driving shaft 7 rotates through the engagement drive driven shaft 8 of driving shaft driving gear 6 with driven shaft actuation gear 9; Driving shaft actuation gear 4 is 2:1 with the speed ratio of crank-driven gear, and driving shaft 7, driven shaft 8 turn round to speed of crankshaft with 2 times, with component motion two-stage reciprocating inertia forces that produced such as elimination pistons.Driving shaft 7, driven shaft 8 rotating speeds equate switched in opposite.Substantially horizontal inertial force offsets, the superimposed two-stage reciprocating inertia force with balanced engine of vertical direction inertial force.Two, lubrication system is a forced lubricating system; Inject the lubricant oil of certain pressure through filler opening by oil pump; Part lubricant oil is flowed out by oil outlet 12 places, trunnion shaft axle journal place along oil leab 11, and sliding bearing or needle bearing can be installed by trunnion shaft axle journal oil outlet place 12, and lubricant oil is lubricated axle journal; Part lubricant oil gets into the gap of bolt of idler gear 3-3 and lining 3-2 through oil leab 11; Play lubricated effect by the gap of lining 3-2 oilhole entering idle pulley bearing 3-1 and lining 3-2 again, flow out by the gap between idle pulley 6 and lining 3-2 and the pad 3-4 at last, lubricated idle pulley section.
Claims (5)
1. internal-combustion engine balanced controls; It is characterized in that; It comprises trunnion shaft, driving gear, lubrication system and housing, and said trunnion shaft comprises driving shaft (7) and driven shaft (8), and said driving gear is made up of crank-driven gear (2), idle pulley (3), driving shaft actuation gear (4), driving shaft driving gear (6) and driven shaft actuation gear (9); Said crank-driven gear (2) is fixed on the bent axle; Said idle pulley (3) and crank-driven gear (2) outer gearing, said driving shaft actuation gear (4) and idle pulley (3) outer gearing, driving shaft actuation gear (4) and driving shaft driving gear (6) all are fixed on the driving shaft (7); Said driven shaft actuation gear (9) is fixed on the driven shaft (8), with driving shaft driving gear (6) outer gearing.
2. internal-combustion engine balanced controls according to claim 1; It is characterized in that; Said lubrication system is arranged on the housing corresponding position; Form by filler opening (10), oil leab (11), axle journal place oil outlet (12) and bolt of idler gear place oil outlet (13); Said filler opening (10) is connected with the engine lubrication main oil gallery, and said oil leab (11) is connected between filler opening (10) and each oil outlet, and said axle journal place oil outlet (12) and bolt of idler gear place oil outlet (13) communicate with corresponding lubricant housings.
3. internal-combustion engine balanced controls according to claim 2; It is characterized in that; Said housing is positioned at engine sump tank, is made up of upper shell (1) and lower shell body (5) two-part, and said upper shell (1) is fixedly connected with engine cylinder-body; Said lower shell body (5) is equipped with upper shell (1), and trunnion shaft is arranged in the housing.
4. according to claim 2 or 3 described internal-combustion engine balanced controls; It is characterized in that; Said idle pulley (3) gear teeth number is identical with the gear teeth number of crank-driven gear (2); Said driving shaft actuation gear (4), driving shaft driving gear (6) and driven shaft actuation gear (9) gear teeth number are identical, and driving shaft actuation gear (4) gear teeth number is crank-driven gear (a 2) tooth number purpose 1/2nd.
5. internal-combustion engine balanced controls according to claim 4 is characterized in that, said driving shaft (7) and driven shaft (8) all have the identical in structure eccentric weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203705097U CN202280790U (en) | 2011-09-30 | 2011-09-30 | Balance mechanism for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203705097U CN202280790U (en) | 2011-09-30 | 2011-09-30 | Balance mechanism for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280790U true CN202280790U (en) | 2012-06-20 |
Family
ID=46226959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203705097U Expired - Lifetime CN202280790U (en) | 2011-09-30 | 2011-09-30 | Balance mechanism for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280790U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790664A (en) * | 2014-02-25 | 2014-05-14 | 奇瑞汽车股份有限公司 | Engine timing driving system with double balanced shafts |
| CN103953684A (en) * | 2014-05-07 | 2014-07-30 | 广西玉柴机器股份有限公司 | Balancing shaft mechanism of engine |
| CN103994178A (en) * | 2014-05-30 | 2014-08-20 | 徐亚珍 | Motorcycle balance shaft gear assembly |
| CN104776157A (en) * | 2015-03-27 | 2015-07-15 | 中国北方发动机研究所(天津) | Driving structure of four cylinder engine balance shaft |
| KR20170117347A (en) * | 2017-09-15 | 2017-10-23 | (주)동보 | Balance shaft assembly |
| CN107339317A (en) * | 2016-04-29 | 2017-11-10 | 现代自动车株式会社 | Balance shaft module |
| CN108843735A (en) * | 2018-09-10 | 2018-11-20 | 浙江美亚特精密机械有限公司 | A kind of car engine balance shaft device |
| CN109000929A (en) * | 2018-07-31 | 2018-12-14 | 宁波市鄞州德来特技术有限公司 | A kind of single cylinder optical engine |
-
2011
- 2011-09-30 CN CN2011203705097U patent/CN202280790U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790664A (en) * | 2014-02-25 | 2014-05-14 | 奇瑞汽车股份有限公司 | Engine timing driving system with double balanced shafts |
| CN103790664B (en) * | 2014-02-25 | 2016-08-17 | 奇瑞汽车股份有限公司 | A kind of engine correct-timing drive system with double balance shaft |
| CN103953684A (en) * | 2014-05-07 | 2014-07-30 | 广西玉柴机器股份有限公司 | Balancing shaft mechanism of engine |
| CN103994178A (en) * | 2014-05-30 | 2014-08-20 | 徐亚珍 | Motorcycle balance shaft gear assembly |
| CN104776157A (en) * | 2015-03-27 | 2015-07-15 | 中国北方发动机研究所(天津) | Driving structure of four cylinder engine balance shaft |
| CN107339317A (en) * | 2016-04-29 | 2017-11-10 | 现代自动车株式会社 | Balance shaft module |
| CN107339317B (en) * | 2016-04-29 | 2021-03-26 | 现代自动车株式会社 | Balance shaft assembly |
| KR20170117347A (en) * | 2017-09-15 | 2017-10-23 | (주)동보 | Balance shaft assembly |
| KR102007500B1 (en) | 2017-09-15 | 2019-08-06 | (주)동보 | Balance shaft assembly |
| CN109000929A (en) * | 2018-07-31 | 2018-12-14 | 宁波市鄞州德来特技术有限公司 | A kind of single cylinder optical engine |
| CN109000929B (en) * | 2018-07-31 | 2021-04-30 | 宁波市鄞州德来特技术有限公司 | Single-cylinder optical engine |
| CN108843735A (en) * | 2018-09-10 | 2018-11-20 | 浙江美亚特精密机械有限公司 | A kind of car engine balance shaft device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |
|
| CX01 | Expiry of patent term |