CN201187552Y - Electric vehicle two-shift speed changer - Google Patents
Electric vehicle two-shift speed changer Download PDFInfo
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- CN201187552Y CN201187552Y CNU2008200808865U CN200820080886U CN201187552Y CN 201187552 Y CN201187552 Y CN 201187552Y CN U2008200808865 U CNU2008200808865 U CN U2008200808865U CN 200820080886 U CN200820080886 U CN 200820080886U CN 201187552 Y CN201187552 Y CN 201187552Y
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- main shaft
- shift
- gearshift
- gear
- ratchet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model relates to a two-shift speed changer for an electric vehicle, which comprises a motor front cover, a motor output shaft, a motor output gear, a speed changer box body, a main shaft, an auxiliary shaft, active shift gears, passive shift gears, a shifting and buffering mechanism and a shift control mechanism. The two-shift speed changer for the electric vehicle is characterized in that the speed changer box body is directly connected with the motor front cover, the two ends of the main shaft are respectively connected with the motor front cover and the speed changer box body through bearings, one end of the auxiliary shaft is concentrically sleeved and connected with the motor output shaft, the middle of the auxiliary shaft is connected on the box body, and the other end of the auxiliary shaft extends out of the box body, the shifting and buffering mechanism and two active shift gears are fixedly arranged on the main shaft, two passive shift gears are movably sleeved on the auxiliary shaft, an internal spline sliding sleeve is glidingly arranged on the auxiliary shaft, and the internal spline sliding sleeve is connected with a shift gear lever on the shift control mechanism. The problems of heavy current and power consumption in the starting-up, the hill climbing and the excess load in the prior electric vehicle can be effectively solved. The volume is exquisite, the installation and the maintenance are convenient, and the shifting is simple and reliable. The two-shift speed changer for the electric vehicle is suitable for matching with the middle-mounted motor for use in various electric vehicles.
Description
Technical field
The utility model relates to a kind of electric motor car two shift transmissions, especially with electric motor car two shift transmissions of the mid-electric drilling match of electric motor car.
Background technique
At present, the mid-motor of known electric motor car use has brushless and two kinds on brush is arranged.In use all can only regulate the moment of torsion and the rotating speed of motor output among a small circle by regulating electric current, the big electric current that starts, quickens, goes up a slope or produce during overload is easy to cause motor and control circuit to damage, and also will consume a large amount of electric energy simultaneously.Because the restriction of existing electric motor car using scope and battery electric quantity, electric motor car is not suitable for running at high speed, and only needs to increase a low gear to add high pulling torque and to reduce electric current.
Because there is gap in the inertia rotating speed of motor inertia rotating speed and speed change gear group, two gear speed ratios also have gap, cause the gearshift impact force of moment, and the fatigue strength that surpasses gear will cause beats the tooth fault.Therefore all install free wheel device additional on more existing speed change gears.But also therefore cause volume big, the defective of manufacture cost height, installation and maintenance inconvenience.Some do not install the speed change gear of clutch additional, beat tooth easily during gearshift, and long term reliability is also relatively poor.
Summary of the invention
In order to overcome the deficiencies in the prior art, at the travel frequent variations of road conditions and load-carrying of existing electric motor car, the utility model provides a kind of volume little, simple in structure, with low cost, handiness, electric motor car two shift transmissions that service-strong matches with the mid-motor of electric motor car.
The technological scheme one that its technical problem that solves the utility model adopts is: a kind of electric motor car two shift transmissions comprise motor protecgulum, motor output shaft, motor output gear, mission case, main shaft, countershaft, active shift gear, passive shift gear, gearshift damping mechanism, shift control mechanism.It is characterized in that mission case directly is connected with the motor protecgulum, the main shaft two ends are connected with mission case with the motor protecgulum respectively by bearing, countershaft one end and the load of motor output shaft concentric locking collar connect, the centre is installed on the casing, the other end stretches out casing, initiatively shift gears of gearshift damping mechanism and two fixedly are housed on the main shaft, and kink is equipped with two passive shift gears and the internal spline sliding sleeve is equipped with in slip on the countershaft, and the internal spline sliding sleeve is connected with gearshift driving lever on the shift control mechanism.
Between mission case and the motor protecgulum locating stud and sealing gasket are housed; Realize sealing, be located by connecting by flanged surface, sealing gasket and locating stud between mission case and the motor protecgulum, between motor protecgulum and the motor output shaft oil sealing is housed, by flat key or spline motor output gear is housed fixedly on the motor output shaft, axle head and the load of countershaft concentric locking collar connect.
Countershaft is a splined shaft, and axle sleeve is housed the axle head center drilling and concentric locking collar is contained on the motor output shaft, also can be that motor output shaft axle head center drilling is equipped with axle sleeve and concentric locking collar is contained on the countershaft, and diaxon connects with one heart and is slidingly matched.The other end of countershaft by bearing and oil sealing with stretch out casing, output torque after casing is connected.Kink is adorned a retaining driven gear, two retaining driven gear and internal spline sliding sleeves on the countershaft, and two driven gears can freely rotate but can not move radially, and the internal spline sliding sleeve can horizontally slip.
An internal spline sliding sleeve both sides uniform 2-6 ratchet, a corresponding retaining driven gear and two retaining driven gears are towards the uniform 2-6 of a side curve bath of internal spline sliding sleeve; Also can be an internal spline sliding sleeve both sides uniform 2-6 curve bath, and a corresponding retaining driven gear and two keeps off a side uniform 2-6 the ratchet of driven gears towards the internal spline sliding sleeve, ratchet is mutually nested with curve bath to be connected.Two passive shift gears need with the internal spline sliding sleeve by being connected of ratchet and curve bath, indirectly to the countershaft transmitting torque.Ratchet can be made on the internal spline sliding sleeve, also curve bath can be made.Will be opposite on two just supporting with it driven gears make curve bath or ratchet.The cylindrical of internal spline sliding sleeve is provided with a groove and is connected with shift control mechanism.
The main shaft two ends are inserted into respectively on motor protecgulum and the mission case by bearing or axle sleeve.Main shaft input cover, a retaining driving gear and two retaining driving gears are fixedlyed connected with main shaft by flat key or spline, also can make gear shaft, can not move radially.Main shaft input cover outside suit main shaft input gear.Main shaft is parallel with motor output shaft with countershaft, motor output gear and main shaft input gear engagement, and a retaining driving gear and two retaining driving gears keep off the driven gear engagement with a retaining driven gear and two respectively.
Spring bearer plate by main shaft input gear, main shaft input cover, gearshift damping spring and both sides is formed the gearshift damping mechanism.Main shaft input bore and main shaft input cover cylindrical be the uniform 2-4 of an equal number ratchet all, the main shaft input is sleeved in the main shaft input gear, its endoporus is fixedlyed connected with main shaft, the interior slyness that main shaft input puts ratchet root on cylindrical and the main shaft input gear at top of ratchet movingly, perhaps the main shaft input puts the cylindrical of root of ratchet and interior slyness that main shaft is imported ratchet top on the gear movingly.Main shaft input cover is connected by spline or flat key with main shaft.Main shaft input cover is equipped with the gearshift damping spring with the ratchet of main shaft input gear is middle, and the rigidity of spring is greater than the stalling torque of motor.The also available block rubber of gearshift damping spring replaces.Main shaft input gear both sides are equipped with spring bearer plate and are fixed with rivet, and pressing plate endoporus and inner side surface and main shaft input cover are slidingly matched.During gearshift moment generation impact, no matter the rotating speed of the relative speed change gear group of motor inertia rotating speed is higher or lower, main shaft input gear all can compress the gearshift damping spring, and the elasticity of gearshift damping spring has been cleared up the impact of most of gearshift moment generation, has avoided beating the tooth phenomenon.
Shift control mechanism is made up of front stick, steel wire backguy, gearshift rocking arm, position limit pin, gearshift axle, gearshift driving lever, return spring.Front stick is connected with the gearshift rocking arm by the steel wire backguy, the gearshift rocking arm is fixedlyed connected with the gearshift axle, the gearshift axle inserts in the mission case perpendicular to countershaft, gearshift rocking arm and return spring are equipped with in gearshift axle upper end, center fixed connects the gearshift driving lever, in the groove of the movable embedding of gearshift driving lever internal spline sliding sleeve cylindrical.Gearshift has restraining groove on the rocking arm, and position limit pin is arranged in the groove, guarantees that backguy tightens up the stroke limit with the return spring return.Return spring guarantees that the spline kink after the steel wire backguy is loosened can get back to the position of initial gear.Because the startup of electric motor car and acceleration need high pulling torque, preferably allow the initial gear of speed changer be under the retaining state.
Technological scheme two is when the motor rated speed is low, relatively under aforementioned techniques scheme one prerequisite, ratchet or the curve bath that cooperates with the internal spline sliding sleeve is installed on motor output gear, and main shaft input bore and main shaft directly connect and compose a kind of speed changer that Low speed electric motor uses that adapts to.Specific practice is: as the brushless mid-motor that uses on the existing leisure electric tricycle, and can be motor speed directly as two retaining rotating speed outputs.This moment, inertia speed discrepancy distance and two gear speed ratio gaps of motor inertia rotating speed and speed change gear group all diminished, the gearshift moment impact less, the fatigue strength of gear can bear, be simplified structure and reduction manufacture cost, by on motor output gear, increasing ratchet or the curve bath that cooperates with the internal spline sliding sleeve, main shaft input bore changes into main shaft directly fixedlys connected, and can deduct two retaining driving gears, two retaining driven gears, gearshift damping spring, main shaft input cover.
During the motor operation, the motor output torque is imported gear transmission to two driving gears that are fixed on the main shaft by main shaft, and then drives two the driven gears rotations of kink on countershaft.When backguy is loosened, under the return spring effect, the internal spline sliding sleeve stirred by gearshift axle drive gearshift driving lever and a retaining driven gear combines by ratchet and curve bath, the inside spline sleeve transmitting torque of one retaining driven gear, the internal spline sliding sleeve drives the speed ratio output torque of countershaft with a retaining, the gear of speed changer is under the retaining state, the active and passive gear idle running of two retainings.When adding retaining, handle the backguy of front stick taut wire, backguy pulling gearshift rocking arm overcomes the strength of return spring and rotates, drive the gearshift axle and rotate, the gearshift driving lever is stirred the internal spline sliding sleeve and is broken away from a retaining driven gear, and then combines by ratchet and curve bath with two retaining driven gears, the inside spline sleeve transmitting torque of two retaining driven gears, the internal spline sliding sleeve drives the speed ratio output torque of countershaft with two retainings, and speed changer is under the two retaining states, and a retaining is main, driven gear idle running.When subtracting retaining, loosen backguy, under the return spring effect, gearshift axle drive gearshift driving lever is stirred the internal spline sliding sleeve and is broken away from two retaining driven gears, and then combines with a retaining driven gear, and speed changer is got back under the retaining state.
When the motor rated speed is low, can remove two retainings initiatively driven gear, gearshift damping spring and main shaft input cover motor speed directly as two retaining rotating speed outputs, reduce manufacture cost and simplified structure.Method of operating is constant during gearshift, and just two retainings are that ratchet or curve bath direct by the internal spline sliding sleeve and on the motor output gear combine, and to the lay shaft transmitting torque, spindle part and keeps off just idle running of driven gear at this moment by motor output gear.One retaining is that the internal spline sliding sleeve is connected by ratchet and curve bath are nested with a retaining driven gear, and this moment, a spindle part and a retaining driven gear entered drive state, the inside spline sleeve transmitting torque of a retaining driven gear.Because changing into main shaft, main shaft input bore directly fixedlys connected, transmitted moment of torsion to main shaft equally, though the vibration in when gearshift does not obtain buffering, because the impact of the moment of shifting gears is less, the fatigue strength of gear can bear, so do not influence long-term normal the use.
Because the utility model has been taked technique scheme, effectively solved the big electric current and the power consumption problem of startup, climbing and the overload of existing electric motor car.Compared with prior art, it is small and exquisite to have a volume, and low cost of manufacture is easy to installation and maintenance, gearshift is simple, long-term service-strong characteristics.Be applicable to the mid-electric drilling match of various electric motor cars and use, and other suitable motors, be a kind of novel electric vehicle transmission
Description of drawings
Fig. 1 is the structural representation of technical solutions of the utility model one.
Fig. 2 is the structural representation of technical solutions of the utility model two.
Fig. 3 is the structural representation of shift control mechanism.
Fig. 4 is the structural representation of gearshift damping mechanism under static.
Fig. 5 is the structural representation of gearshift damping mechanism under drive state.
Fig. 6 is spline countershaft, axle sleeve, motor output shaft linkage structure schematic representation.
Fig. 7 is a retaining driven gear of band curve bath.
Fig. 8 is a retaining driven gear of band ratchet.
Fig. 9 is the spline sleeve of band ratchet.
Figure 10 is the spline sleeve of band curve bath.
Figure 11 is the motor output gear of band ratchet
1. motor cases among the figure, 2. rotor, 3. motor protecgulum, 4. oil sealing pad, 5. locating stud, 6. mission case, 7. steel wire backguy, 8. gearshift rocking arm, 9. gearshift axle, 10. gearshift driving lever, 11. return springs, 12. position limit pin, 13. anticreep restraining grooves, 14. counter shaft bearings, 15. the countershaft oil sealing, 16. spline countershafts, 17. main shaft bearings, 18. a retaining driven gear, 19. 1 retaining driving gears, 20. main shafts, 21. the internal spline sliding sleeve, 22. 2 retaining driven gears, 23. axle sleeves, 24. two retaining driving gears, 25. main shafts input cover, 26. main shafts input gear, 27. the gearshift damping spring, 28. spring bearer plates, 29. motor output gears, 30. the Motor Shaft oil sealing, 31. motor output shafts, 32. front sticks, 33. curve bath, 34. ratchets, 35. caging bolts, 36. fixing pin, 37. oil sealings, 38. rivets.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further specified as embodiment.
Embodiment 1, and with reference to Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 8, shown in Figure 10, mission case 6 is located by connecting with 3 sealings of motor protecgulum by flange, oil sealing pad 4, locating stud 5.Between motor output shaft 31 and the motor protecgulum 3 oil sealing 30 is housed, motor output shaft 31 is local splined shaft, and motor output gear 29 is housed.Motor output gear 29 and 26 engagements of main shaft input gear.Transmission main shaft 20 two ends are contained in respectively on motor protecgulum 3 and the mission case 6 by main shaft bearing 17.Main shaft input cover 25, one retaining driving gear 19 and two retaining driving gears 24 fixedly are housed on the main shaft 20, all can not move axially.Suit main shaft input cover 25 in the main shaft input gear 26, main shaft input gear 26 endoporus and all uniform 3 ratchets of main shaft input cover 25 cylindricals are equipped with gearshift damping spring 27 in the middle of the ratchet, and the rigidity of spring is greater than the stalling torque of motor.The cylindrical at main shaft input cover 25 ratchet tops and main shaft are imported on the gear 26 the interior circle of ratchet root and are slided over each other and cooperate, spring bearer plate 28 and fixing with rivet 38 is equipped with in main shaft input gear 26 both sides, and spring bearer plate 28 endoporus and inner side surface and main shaft input cover 25 are slidingly matched.Countershaft 16 is splined shafts, and an end center drilling also is equipped with axle sleeve 23, is sleeved on the motor output shaft 31, and diaxon connects with one heart and is slidingly matched.The other end is local spline, is assemblied on the casing 6 and stretches out the casing output torque by bearing 14 and oil sealing 15.Kink is adorned a retaining driven gear 18 and two retaining driven gears 22 on the countershaft 16, two driven gears are all uniform 3 curve baths 33 towards the side of internal spline sliding sleeve 21, can freely rotate but can not about move axially, internal spline sliding sleeve 21 is contained between two passive shift gears, all uniform 3 ratchets 34 in both sides, endoporus spline and countershaft spline fitted also can horizontally slip, and are connected with 22 with two passive shift gears 18 respectively.Main shaft 20 is parallel to each other with countershaft 16 and motor output shaft 31, and two pairs of shift gears are meshing with each other.
Preceding gear level 32 is fastenedly connected with backguy 7, and backguy 7 is connected with gearshift rocking arm 8, and gearshift rocking arm 8 is provided with restraining groove 13, is provided with position limit pin 12 in the groove.Fixedly connected with gearshift rocking arm 8 in gearshift axle 9 upper ends, front end is provided with oil sealing 37, and the centre is provided with two pairs of orthogonal through holes, and the lower end is shaped on restraining groove.On the gearshift axle 9 return spring 11 is housed, the one end hook rocking arm 8 of firmly shifting gears, the other end hooks position limit pin 12.Gearshift axle 9 inserts in the mission case 6 perpendicular to countershaft 16, and insert in the hole of casing 6 bottoms the lower end, and blocks with caging bolt 35.Gearshift driving lever 10 be a U-shaped, and two ends are inserted gearshift axle 9 and inserted in the vertical hole with fixing pin 36 and fix, and the centre is stuck in the groove on internal spline sliding sleeve 21 cylindricals.
Be backguy 7 when loosening shown in the figure, speed changer is in the state of a retaining under return spring 11 effects.When adding retaining, front stick 32 pulling backguys 7, gearshift rocking arm 8 and gearshift axle 9 rotate, drive gearshift driving lever 10 and stir spline sleeve 21, ratchet 34 on the internal spline sliding sleeve 21 breaks away from the curve bath 33 of a retaining driven gear 18, insert the curve bath 33 of two retaining driven gears 22, this moment, speed changer was in two retaining states.Subtract when retaining, loosen backguy 7, the rotation under return spring 11 effects of gearshift axle 9 and gearshift driving lever 10 drives that internal spline sliding sleeve 21 slides and is connected with a retaining driven gear 18, and speed changer is got back to a retaining state again.Position limit pin 12 in gearshift rocking arm 8 upper limit position grooves 13 guarantees that backguy 7 tightens up the stroke limit with return spring 11 returns, and the driving lever 10 of avoiding shifting gears is adjacent to the excessive wear of spline sleeve 21.
When shown in Fig. 2 being backguy 7 tensions, speed changer is in the states of two retainings.At this moment, gearshift driving lever 10 forces the curve bath 33 on the internal spline sliding sleeve 21 to be enclosed within on the ratchet 34 of motor output gear 29, and motor output gear 29 is connected with internal spline sliding sleeve 21, further drive lay shaft concentric, with fast outputting power.Subtract when retaining, loosen backguy 7, the rotation under return spring 11 effects of gearshift axle 9 and gearshift driving lever 10 drives that spline sleeve 21 slides and is connected with a retaining driven gear 18, and speed changer is got back to a retaining state again.
At Fig. 5, gearshift damping mechanism shown in Figure 6 in the gearshift relative structural representation of each parts of moment, if the rotating speed of the relative speed change gear group of motor inertia rotating speed is higher, the ratchet of main shaft input gear 26 will postive direction compress gearshift damping spring 27, the elastic buffer of gearshift damping spring 27 impact that produces of most of gearshift moment, avoided beating the tooth phenomenon.Principle is identical in the other direction.Because the stalling torque of motor is less than the rigidity of gearshift damping spring, so avoided losing efficacy after the drive state lower spring excess compression.
The embodiment that provides according to above-mentioned two examples just can be made into electric motor car two shift transmissions, changes existing electric motor car and regulates the deficiency of the speed of a motor vehicle among a small circle by controlling size of current, has improved existing electric motor car at driveability.
Claims (8)
1, a kind of electric motor car two shift transmissions comprise motor protecgulum (3), motor output shaft (31), motor output gear (29), mission case (6), main shaft (20), countershaft (16), active shift gear (19,24), passive shift gear (18,22), gearshift damping mechanism, shift control mechanism; It is characterized in that mission case (6) directly is connected with motor protecgulum (3), main shaft (20) two ends are connected with mission case (6) with motor protecgulum (3) respectively by bearing (17), countershaft (16) one ends and motor output shaft (31) concentric locking collar load connect, the centre is installed on the casing (6), the other end stretches out casing (6), main shaft (20) is gone up gearshift damping mechanism and two active shift gears fixedly is housed, kink is equipped with two passive shift gears and internal spline sliding sleeve (21) is equipped with in slip on the countershaft, and internal spline sliding sleeve (21) is connected with gearshift driving lever (10) on the shift control mechanism.
2. electric motor car two shift transmissions according to claim 1 is characterized in that: locating stud (5) and sealing gasket (4) are housed between casing (6) and the motor protecgulum (3).
3. electric motor car two shift transmissions according to claim 1, it is characterized in that countershaft (16) is a splined shaft, axle sleeve (23) is housed the axle head center drilling and concentric locking collar is contained on the motor output shaft (31), or axle sleeve (23) is housed motor output shaft (31) axle head center drilling and concentric locking collar is contained on the countershaft (16), and diaxon is slidingly matched.
4. electric motor car two shift transmissions according to claim 1, it is characterized in that internal spline sliding sleeve (21) both sides uniform 2-6 ratchet (34) or curve bath (33), inboard uniform 2-6 curve bath (33) of corresponding two passive shift gears or ratchet (34), ratchet (34) and mutually nested being connected of curve bath (33).
5. electric motor car two shift transmissions according to claim 1 is characterized in that main shaft (20) two ends are inserted into respectively on motor protecgulum (3) and the mission case (6) by bearing (17) or axle sleeve.
6. electric motor car two shift transmissions according to claim 1, the all uniform 2-4 of equal number ratchets (34) of main shaft input gear (26) endoporus and main shaft input cover (25) cylindrical is characterized in that shifting gears in the damping mechanism, main shaft input cover (25) is contained in the main shaft input gear (26), its endoporus is fixedlyed connected with main shaft (20), main shaft input cover (25) go up ratchet the top cylindrical and main shaft input gear (26) upward the ratchet root interior slyness movingly, perhaps main shaft input cover (25) go up ratchet root cylindrical and main shaft input gear (26) upward the ratchet top interior slyness movingly, main shaft input cover (25) and the middle gearshift damping spring (27) that is equipped with of the ratchet of main shaft input gear (26), spring bearer plate (28) fixedly is equipped with in main shaft input gear (26) both sides, and spring bearer plate (28) endoporus and inner side surface and main shaft input cover (25) are slidingly matched.
7. electric motor car two shift transmissions according to claim 1, it is characterized in that: gearshift axle (9) is inserted into casing (6) perpendicular to countershaft (16) in the shift control mechanism, gearshift rocking arm (8) and return spring (11) are equipped with in gearshift axle (9) upper end, the centre gearshift driving lever (10) that is connected, gearshift driving lever (10) is movable to embed in the groove of internal spline sliding sleeve (21) cylindrical.
8, electric motor car two shift transmissions according to claim 1, it is characterized in that going up ratchet (34) or the curve bath (33) that installation cooperates with internal spline sliding sleeve (21) at motor output gear (29), main shaft input gear (26) endoporus and main shaft (20) directly connect and compose a kind of speed changer that Low speed electric motor uses that adapts to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200808865U CN201187552Y (en) | 2008-01-31 | 2008-01-31 | Electric vehicle two-shift speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200808865U CN201187552Y (en) | 2008-01-31 | 2008-01-31 | Electric vehicle two-shift speed changer |
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| Publication Number | Publication Date |
|---|---|
| CN201187552Y true CN201187552Y (en) | 2009-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200808865U Expired - Fee Related CN201187552Y (en) | 2008-01-31 | 2008-01-31 | Electric vehicle two-shift speed changer |
Country Status (1)
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| CN (1) | CN201187552Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994827A (en) * | 2009-08-13 | 2011-03-30 | Gm全球科技运作股份有限公司 | Gearshift housing and method for mounting the selector lever on the gearshift housing |
| CN102050194A (en) * | 2010-12-02 | 2011-05-11 | 重庆阿波罗港城科技有限公司 | Side hung driving system for two-wheeled electric vehicle |
| CN102195400A (en) * | 2010-03-15 | 2011-09-21 | 张士卫 | Dual-variable speed direct-current motor |
| CN102416862A (en) * | 2010-09-26 | 2012-04-18 | 比亚迪股份有限公司 | Driving system of electric vehicle |
| CN102562963A (en) * | 2011-12-15 | 2012-07-11 | 温州跃辉科技有限公司 | Two-gear stepped transmission for electric vehicles |
| CN102826191A (en) * | 2012-09-26 | 2012-12-19 | 贵州兴国新动力科技有限公司重庆分公司 | Drive device of electric motor car |
| CN103277468A (en) * | 2013-06-24 | 2013-09-04 | 苍南县鑫仲电动车配件有限公司 | Vehicle |
| CN104279321A (en) * | 2014-09-18 | 2015-01-14 | 范兆军 | Rear axle gear shifting speed change device of electric vehicle |
| CN108506469A (en) * | 2018-06-30 | 2018-09-07 | 如皋市招财牛车业有限公司 | Electric vehicle gearshift |
| CN108799422A (en) * | 2018-08-16 | 2018-11-13 | 深圳市睿腾车辆制造有限公司 | A kind of automatically controlled two speed transmission |
| CN109572415A (en) * | 2018-12-29 | 2019-04-05 | 重庆菲斯塔新能源汽车科技有限公司 | One kind two keeps off hub reduction electricity and drives bridge |
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2008
- 2008-01-31 CN CNU2008200808865U patent/CN201187552Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994827A (en) * | 2009-08-13 | 2011-03-30 | Gm全球科技运作股份有限公司 | Gearshift housing and method for mounting the selector lever on the gearshift housing |
| CN102195400A (en) * | 2010-03-15 | 2011-09-21 | 张士卫 | Dual-variable speed direct-current motor |
| CN102416862A (en) * | 2010-09-26 | 2012-04-18 | 比亚迪股份有限公司 | Driving system of electric vehicle |
| CN102416862B (en) * | 2010-09-26 | 2015-04-22 | 比亚迪股份有限公司 | Driving system of electric vehicle |
| CN102050194A (en) * | 2010-12-02 | 2011-05-11 | 重庆阿波罗港城科技有限公司 | Side hung driving system for two-wheeled electric vehicle |
| CN102562963A (en) * | 2011-12-15 | 2012-07-11 | 温州跃辉科技有限公司 | Two-gear stepped transmission for electric vehicles |
| CN102826191A (en) * | 2012-09-26 | 2012-12-19 | 贵州兴国新动力科技有限公司重庆分公司 | Drive device of electric motor car |
| CN103277468A (en) * | 2013-06-24 | 2013-09-04 | 苍南县鑫仲电动车配件有限公司 | Vehicle |
| CN104279321A (en) * | 2014-09-18 | 2015-01-14 | 范兆军 | Rear axle gear shifting speed change device of electric vehicle |
| CN108506469A (en) * | 2018-06-30 | 2018-09-07 | 如皋市招财牛车业有限公司 | Electric vehicle gearshift |
| CN108799422A (en) * | 2018-08-16 | 2018-11-13 | 深圳市睿腾车辆制造有限公司 | A kind of automatically controlled two speed transmission |
| CN109572415A (en) * | 2018-12-29 | 2019-04-05 | 重庆菲斯塔新能源汽车科技有限公司 | One kind two keeps off hub reduction electricity and drives bridge |
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