CN202451701U - Balance shaft device of horizontal engine crankshaft connecting rod - Google Patents
Balance shaft device of horizontal engine crankshaft connecting rod Download PDFInfo
- Publication number
- CN202451701U CN202451701U CN2012200584199U CN201220058419U CN202451701U CN 202451701 U CN202451701 U CN 202451701U CN 2012200584199 U CN2012200584199 U CN 2012200584199U CN 201220058419 U CN201220058419 U CN 201220058419U CN 202451701 U CN202451701 U CN 202451701U
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- balance
- shaft
- oil pump
- crankshaft
- driven gear
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Abstract
The utility model discloses a balance shaft device of a horizontal engine crankshaft connecting rod. The balance shaft device of the horizontal engine crankshaft connecting rod comprises a balance shaft and an engine oil pump shaft, which are parallel to the axis of a crankshaft connecting rod assembly, in the rotation process of the crankshaft connecting rod assembly inside an engine, the balance shaft is driven to rotate through a balance driven gear which is engaged with the crankshaft connecting rod assembly, a fan-shaped balance block on the balance shaft also can play a role in balancing the crankshaft connecting rod assembly, in the running process of the engine, lubricant inside an oil passage can be brought by an engine oil pump driven gear to lubricate a mechanism inside an engine box body. Due to the adoption of the structure, the vibration problem in the running process of the engine can be effectively improved, and the balance shaft device is used in the field by utilizing new high technology to modify a traditional industry.
Description
Technical field
The utility model relates to a kind of accessory of motorcycle engine, particularly relates to a kind of balance shaft apparatus of engine crankshaft connecting rod.
Background technique
Crankshaft & connecting is made up of piston, connection rod set and crankshaft-flywheel etc.; Crankshaft & connecting is the main moving parts that motor is realized work cycle, completion transformation of energy; It changes the to-and-fro motion of piston into bent axle rotatablely move in the running of motor; The power that will act on simultaneously on the piston changes the externally torque of output of bent axle into, is used to drive automobile or bike wheel and rotates.In the expansion space stroke of motor; Piston bears gaseous-pressure and in cylinder, does straight line motion; Convert rotatablely moving of bent axle to through connecting rod; And from the external outputting power of bent axle, and in air inlet, compression and exhaust stroke, flywheel releases energy and rotatablely moving of bent axle is changed into the straight line motion of piston.
Drive in piston of engine in the process of parts high-speed rotation such as engine crankshaft crank, crank rotates along the bent axle axle center and can produce very big rotating inertia force, will on motor, produce very big vibration thus.Though early have the similar correlation technique of balance shaft apparatus can improve this type of vibration for this type of vibration, receive the influence of horizontal engine special construction and layout, at present also can the actual balance shaft apparatus that is provided with in horizontal engine.
The model utility content
For addressing the above problem, the utility model provides a kind of can effectively improve the balance shaft apparatus that the horizontal engine vibration state takes place.
The utility model solves the technological scheme that its technical problem adopted:
A kind of balance shaft apparatus of horizontal engine crankshaft-link rod; Comprise the trunnion shaft and the machine oil pump shaft that parallel with the axis that is installed on the crankshaft rod assembly in the engine housing; The machine oil pump shaft is provided with oil pump driven gear; Fan-shaped equilibrium block is installed on the trunnion shaft; The oil pump driving gear that one end of trunnion shaft is equipped with the balance driven gear successively and is meshed with oil pump driven gear, the below of the inherent oil pump driven gear of engine housing is provided with the oil duct that can be lubricated the bottom of driven gear.
Further as the improvement of the utility model technological scheme; Also be provided with the balance driving gear on the crankshaft rod assembly and be used to install the balance gear axle sleeve of balance driving gear; Be equipped with opening slot on the face that balance driving gear and balance gear shaft room fit; The corresponding applying of the opening of two opening slots that correspond to each other on balance driving gear and the balance gear axle sleeve forms a bearing pin mount inlet, is equipped with bearing pin in each bearing pin mount inlet, around bearing pin damping spring is installed also.
Further as the improvement of the utility model technological scheme, the outside of damping spring is provided with colored shape plain washer.
Further, be provided with the gear step near balance driven gear side on the oil pump driven gear as the improvement of the utility model technological scheme.
Further as the improvement of the utility model technological scheme, be equipped with retainingf key between balance driven gear and oil pump driving gear and trunnion shaft, the side at retainingf key on the trunnion shaft is provided with lock screw.
Further as the improvement of the utility model technological scheme, the shaft shoulder that engine housing is close on the crankshaft rod assembly also is provided with thrust terminator.
Further as the improvement of the utility model technological scheme; Thrust terminator comprises the thrust spring that is arranged in the engine housing; One side of thrust spring is fixed in the inwall of engine housing; The opposite side of thrust spring is provided with the thrust block, and the thrust block is provided with the friction inclined-plane, and the friction inclined-plane is on a shaft shoulder of being close under the elastic force effect of thrust spring on the crankshaft rod assembly.
The beneficial effect of the utility model: the balance shaft apparatus of this horizontal engine crankshaft-link rod comprises trunnion shaft and the machine oil pump shaft with the parallel axes of crankshaft rod assembly; In in-engine crankshaft rod assembly operation process; Driving trunnion shaft through the balance driven gear that is engaged with rotates; Fan-shaped equilibrium block on the trunnion shaft can play balanced action to crankshaft rod assembly simultaneously; In engine operation process, also can in oil duct, take away lubricant oil through oil pump driven gear so that the mechanism in the engine housing is lubricated, this balance shaft apparatus can effectively improve the vibration problem in the engine operation process through above structure.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is the utility model embodiment internal structure plan view;
Fig. 2 is the utility model embodiment box inner structure side schematic view.
Embodiment
With reference to Fig. 1, Fig. 2; The utility model is a kind of balance shaft apparatus of horizontal engine crankshaft-link rod; Comprise the trunnion shaft 3 and machine oil pump shaft 7 that parallel with the axis that is installed on the crankshaft rod assembly 2 in the engine housing 1; Machine oil pump shaft 7 is provided with oil pump driven gear 71; Fan-shaped equilibrium block 4 is installed on the trunnion shaft 3, the oil pump driving gear 6 that an end of trunnion shaft 3 is equipped with balance driven gear 5 successively and is meshed with oil pump driven gear 71, the below of engine housing 1 inherent oil pump driven gear 71 is provided with the oil duct 8 that can be lubricated the bottom of driven gear 71.
The balance shaft apparatus of this horizontal engine crankshaft-link rod comprises the trunnion shaft 3 and machine oil pump shaft 7 with the parallel axes of crankshaft rod assembly 2; In in-engine crankshaft rod assembly 2 operation process; Through with crankshaft rod assembly 2 on the balance driven gear that is meshed of balance driving gear 56 5 drive trunnion shafves 3 and rotate; Fan-shaped equilibrium block 4 on the trunnion shaft 3 can play balanced action to crankshaft rod assembly 2 simultaneously; In engine operation process; Also can in oil duct 8, take away lubricant oil so that the mechanism in the engine housing 1 is lubricated through oil pump driven gear 71, this balance shaft apparatus can effectively improve the vibration problem in the engine operation process through above structure.
As the utility model preferred embodiment; Also be provided with balance driving gear 56 on the crankshaft rod assembly 2 and be used to install the balance gear axle sleeve 55 of balance driving gear 56; Be equipped with opening slot on 55 faces that fit of balance driving gear 56 and balance gear axle sleeve; The corresponding applying of the opening of two opening slots that correspond to each other on balance driving gear 56 and the balance gear axle sleeve 55 forms a bearing pin mount inlet 51; Be equipped with bearing pin 52 in each bearing pin mount inlet 51, damping spring 53 also be installed around bearing pin 52.
As the utility model preferred embodiment, the outside of damping spring 53 is provided with colored shape plain washer 54.
Flower shape plain washer 54 is used for preventing ejecting in bearing pin mount inlet 51 at engine operation process damping spring 53, and damping spring 53 can be used for eliminating the vibration on balance driving gear 56 and the balance gear axle sleeve 55.
As the utility model preferred embodiment, be provided with gear step 72 near balance driven gear 5 sides on the oil pump driven gear 71.
As the utility model preferred embodiment, 3 of balance driven gear 5 and oil pump driving gear 6 and trunnion shafves are equipped with retainingf key 9, and the side at retainingf key 9 on the trunnion shaft 3 is provided with lock screw 10.
Balance driven gear 5 and oil pump driving gear 6 be respectively through 3 retainingf keys that are provided with 9 of all the other trunnion shafves, and be used to prevent that the lock screw 10 of retainingf key 9 axial floats from realizing fastening.
As the utility model preferred embodiment, the shaft shoulder 21 be close on the crankshaft rod assembly 2 of engine housing 1 also is provided with thrust terminator 11.
As the utility model preferred embodiment; Thrust terminator 11 comprises the thrust spring 12 that is arranged in the engine housing 1; One side of thrust spring 12 is fixed in the inwall of engine housing 1; The opposite side of thrust spring 12 is provided with thrust block 13, and thrust block 13 is provided with friction inclined-plane 14, and friction inclined-plane 14 is on a shaft shoulder 21 of being close under the elastic force effect of thrust spring 12 on the crankshaft rod assembly 2.
Certainly; The invention is not limited to above-mentioned mode of execution; Those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (7)
1. the balance shaft apparatus of a horizontal engine crankshaft-link rod; It is characterized in that: comprise the trunnion shaft (3) and the machine oil pump shaft (7) that parallel with the axis that is installed on the crankshaft rod assembly (2) in the engine housing (1); Said machine oil pump shaft (7) is provided with oil pump driven gear (71); Fan-shaped equilibrium block (4) is installed on the said trunnion shaft (3); The oil pump driving gear (6) that one end of said trunnion shaft (3) is equipped with balance driven gear (5) successively and is meshed with oil pump driven gear (71), the below of the inherent oil pump driven gear of said engine housing (1) (71) is provided with the oil duct (8) that can be lubricated the bottom of driven gear (71).
2. the balance shaft apparatus of horizontal engine crankshaft-link rod according to claim 1; It is characterized in that: also be provided with balance driving gear (56) on the said crankshaft rod assembly (2) and be used to install the balance gear axle sleeve (55) of balance driving gear (56); Be equipped with opening slot on the face that fits between said balance driving gear (56) and balance gear axle sleeve (55); The corresponding applying of the opening of two opening slots that correspond to each other on said balance driving gear (56) and the balance gear axle sleeve (55) forms a bearing pin mount inlet (51); Be equipped with bearing pin (52) in said each bearing pin mount inlet (51), damping spring (53) also be installed around said bearing pin (52).
3. the balance shaft apparatus of horizontal engine crankshaft-link rod according to claim 2 is characterized in that: the outside of said damping spring (53) is provided with colored shape plain washer (54).
4. the balance shaft apparatus of horizontal engine crankshaft-link rod according to claim 1 is characterized in that: said oil pump driven gear (71) is gone up and is provided with gear step (72) near balance driven gear (5) side.
5. the balance shaft apparatus of horizontal engine crankshaft-link rod according to claim 1; It is characterized in that: be equipped with retainingf key (9) between said balance driven gear (5) and oil pump driving gear (6) and trunnion shaft (3), the side that said trunnion shaft (3) is gone up at retainingf key (9) is provided with lock screw (10).
6. the balance shaft apparatus of horizontal engine crankshaft-link rod according to claim 1 and 2 is characterized in that: the shaft shoulder (21) that said engine housing (1) is close on the crankshaft rod assembly (2) also is provided with thrust terminator (11).
7. the balance shaft apparatus of horizontal engine crankshaft-link rod according to claim 6; It is characterized in that: said thrust terminator (11) comprises the thrust spring (12) that is arranged in the engine housing (1); One side of said thrust spring (12) is fixed in the inwall of engine housing (1); The opposite side of said thrust spring (12) is provided with thrust block (13); Said thrust block (13) is provided with friction inclined-plane (14), and said friction inclined-plane (14) is on a shaft shoulder (21) of being close under the elastic force effect of thrust spring (12) on the crankshaft rod assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200584199U CN202451701U (en) | 2012-02-22 | 2012-02-22 | Balance shaft device of horizontal engine crankshaft connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200584199U CN202451701U (en) | 2012-02-22 | 2012-02-22 | Balance shaft device of horizontal engine crankshaft connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451701U true CN202451701U (en) | 2012-09-26 |
Family
ID=46867567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200584199U Expired - Lifetime CN202451701U (en) | 2012-02-22 | 2012-02-22 | Balance shaft device of horizontal engine crankshaft connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451701U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736173A (en) * | 2016-04-22 | 2016-07-06 | 力帆实业(集团)股份有限公司 | Left crankcase of novel scooter engine |
| CN105781782A (en) * | 2016-04-22 | 2016-07-20 | 力帆实业(集团)股份有限公司 | Scooter engine with balance shaft |
| CN105781781A (en) * | 2016-04-22 | 2016-07-20 | 力帆实业(集团)股份有限公司 | Novel right crank case of scooter engine |
| CN106090130A (en) * | 2016-08-09 | 2016-11-09 | 潍柴动力股份有限公司 | A kind of secondary engine balanced controls |
| CN109322741A (en) * | 2018-09-26 | 2019-02-12 | 绵阳新晨动力机械有限公司 | A kind of engine assembly |
| CN114645746A (en) * | 2020-12-18 | 2022-06-21 | 深圳臻宇新能源动力科技有限公司 | Engine and vehicle |
-
2012
- 2012-02-22 CN CN2012200584199U patent/CN202451701U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736173A (en) * | 2016-04-22 | 2016-07-06 | 力帆实业(集团)股份有限公司 | Left crankcase of novel scooter engine |
| CN105781782A (en) * | 2016-04-22 | 2016-07-20 | 力帆实业(集团)股份有限公司 | Scooter engine with balance shaft |
| CN105781781A (en) * | 2016-04-22 | 2016-07-20 | 力帆实业(集团)股份有限公司 | Novel right crank case of scooter engine |
| CN105781781B (en) * | 2016-04-22 | 2018-11-02 | 力帆实业(集团)股份有限公司 | The right crankcase of Novel pedal car engine |
| CN105736173B (en) * | 2016-04-22 | 2018-11-02 | 力帆实业(集团)股份有限公司 | The left crankcase of the scooter engine |
| CN105781782B (en) * | 2016-04-22 | 2018-11-02 | 力帆实业(集团)股份有限公司 | The scooter engine with balance shaft |
| CN106090130A (en) * | 2016-08-09 | 2016-11-09 | 潍柴动力股份有限公司 | A kind of secondary engine balanced controls |
| CN106090130B (en) * | 2016-08-09 | 2018-08-07 | 潍柴动力股份有限公司 | A kind of secondary engine balance mechanism |
| CN109322741A (en) * | 2018-09-26 | 2019-02-12 | 绵阳新晨动力机械有限公司 | A kind of engine assembly |
| CN109322741B (en) * | 2018-09-26 | 2023-12-19 | 绵阳新晨动力机械有限公司 | An engine assembly |
| CN114645746A (en) * | 2020-12-18 | 2022-06-21 | 深圳臻宇新能源动力科技有限公司 | Engine and vehicle |
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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: 20120926 |
|
| CX01 | Expiry of patent term |