CN102606689A - Automatic variable-speed motor transmission mechanism for electric tricycle and electric vehicle - Google Patents

Automatic variable-speed motor transmission mechanism for electric tricycle and electric vehicle Download PDF

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Publication number
CN102606689A
CN102606689A CN2011100290829A CN201110029082A CN102606689A CN 102606689 A CN102606689 A CN 102606689A CN 2011100290829 A CN2011100290829 A CN 2011100290829A CN 201110029082 A CN201110029082 A CN 201110029082A CN 102606689 A CN102606689 A CN 102606689A
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gear
driving
differential
motor
plate
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CN2011100290829A
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CN102606689B (en
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金碧波
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Taizhou Hao Tsai Industrial Design Co., Ltd.
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金碧波
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Abstract

An automatic variable-speed motor transmission mechanism for an electric tricycle and an electric vehicle comprises a motor, an automatic speed changer and a differential system. The automatic variable-speed motor transmission mechanism is characterized in that the automatic speed changer consists of a speed changer shaft, a driving gear, a sun gear fixing plate, a driving disc, a housing and a connecting plate, a motor shaft of the motor drives the speed changer shaft, the connecting plate is mounted at the other end of the speed changer shaft and connected with the housing, a planetary gear is mounted on the upper portion of the housing, the driving disc with a shoe is fixedly connected to the lower portion of the planetary gear, a tension spring is connected with the shoe, the driving disc is sleeved on the outside of the speed changer shaft by a driving disc spline, the planetary gear matches with a sun gear, the sun gear matches with the sun gear fixing plate, through holes on two sides of the sun gear fixing plate are fixed on a body of a gearbox, the driving disc is connected with the driving gear by a driving gear spline, the driving gear drives an intermediate gear, an intermediate driven gear drives a driven gear, the driven gear is connected with the differential system, and a differential spline sleeve is connected to a rear axle shaft of the electric vehicle.

Description

Electro-tricycle, electric vehicle automatic speed changing motor driving mechanism
Technical field
The present invention relates to electro-tricycle, motor in electric automobile, particularly relate to the driving mechanism of electric motor car rear bridge driven automatic speed changing motor.
Background technique
Electro-tricycle has got into huge numbers of families in the fast development of China, and the environmental protection of electro-tricycle meets country and proposes low carbon emission reduction indicative spirit.Along with the electric vehicle in future, the standard of battery-operated motor cycle are put into effect, industry is to the heart power of electro-tricycle, electric vehicle---the speed of motor, load, inrush current have higher technical requirements.The quality of motor has directly influenced the quality of electric motor car.Brushless hub electric motor that present electro-tricycle, the electric vehicle of China adopted and brushless differential speed motor and series machine are commonplace; These three kinds of motors are owing to the reasonable equilibrium of the two factor of the speed of considering the electro-tricycle operation in their designs and load; Therefore the shortcoming that in use has climbing and speed aspect; And inrush current is big; Reduced the working life of storage battery, caused amplification and the energy waste of using power of motor, and the demand of load, speed, climbing can not satisfy.
Summary of the invention
The objective of the invention is provides a kind of simple in structure in order to overcome the shortcoming that prior art exists, and utilization efficiency is high, can realize automatically switch the under steam driving mechanism of electric motor car rear bridge driven variable speed electric motors, particularly of velocity ratio of electro-tricycle, electric vehicle.
Electro-tricycle of the present invention, electric vehicle automatic speed changing motor driving mechanism technological scheme are: comprise motor, automatic transmission and differential system, it is characterized in that described automatic transmission comprises transmission shaft, driving gear, sun gear fixed plate, driving disc, case and connecting plate, the motor shaft of motor drives transmission shaft; The other end of transmission shaft is installed connecting plate, and connecting plate links to each other with case, in case top, planetary pinion is installed; Planetary bottom connects firmly the driving disc that has the piece of crowing, and the piece of crowing is connected with extension spring, driving disc through the driving disc spline housing outside transmission shaft; Planetary pinion matches with sun gear; Sun gear matches with the sun gear fixed plate, and two side perforations of sun gear fixed plate are fixed on the gear box, and driving disc links to each other with driving gear through the driving disc spline; Driving gear drives carrier gear; The gap bridge follower drives driven gear, and driven gear connects differential system, and the differential system spline housing connects the electric motor car rear axle shaft.
The present invention relates to the driving mechanism of a kind of electro-tricycle, electric vehicle automatic speed changing motor; When the motor high speed operation; Motor shaft drives transmission shaft, and transmission shaft drives case through connecting plate, and the piece of crowing on the driving disc outwards moves under action of centrifugal force and the case engagement; Its power speed directly drives driving gear through driving disc and motor speed synchronously by case; When the motor low cruise, the piece of crowing of driving disc under the effect of extension spring, maintains the original state and the case composition leaves, and case drives planetary pinion; Planetary pinion connects driving disc, and power speed is sent to driving disc and drives driving gear and realized running slowly after the gear ring of case is through the plane table thermoconductivity meter speed change.Driving gear drives carrier gear, and the gap bridge follower drives driven gear, and the differential system of driven gear drives rear axle shaft, has formed electric motor car rear bridge driven automatic speed changing motor driving mechanism.Under the situation of same rated power and Environmental Conditions; Can overcome existing defective by motor speed height self-shifting driving mechanism; Thoroughly solved the conversion of speed and moment with demand; Satisfy the user and in electric vehicle running, climbed and the demand of speed extremely, and reduced inrush current, prolonged storage battery working life.
Electro-tricycle of the present invention, electric vehicle automatic speed changing motor driving mechanism, said motor shaft connect firmly through spline with transmission shaft or are coaxial.Said connecting plate links to each other through the transmission shaft spline with transmission shaft or links to each other with the polygonal hole cooperation, and connecting plate and transmission shaft fix through jump ring.An above fixed block is installed on the said connecting plate, and fixed block matches with case, and connecting plate links to each other with fixed block through screw, and perhaps connecting plate and fixed block are processed one.Number such as the breach of the quantity of fixed block and case bead; And five equilibrium is identical and close fit, and the diameter of connecting plate is less than the case internal diameter, and fixed block extends more than or equal to the case external diameter at the connecting plate external diameter; Connecting plate can be processed an integral body with powder metallurgy and fixed block, and is fixed.Centre distance between said driving gear and the carrier gear is 70 ± 2mm or 77 ± 2mm, and the centre distance between carrier gear and the driven gear (S) is 70 ± 2mm or 74 ± 2mm.The high center line of said driven gear less than the distance A C of the high center line of driven gear to second bearing upper-end surface, helps the installation of carrier gear to the distance A B of first bearing lower end surface.Centre distance between the two ends perforation of said sun gear fixed plate should be greater than more than the case diameter 15mm, the endoporus of sun gear fixed plate and transmission shaft spline close fit.Said driving gear drives carrier gear; Carrier gear drives the gap bridge follower; The gap bridge follower drives driven gear; Driven gear connects differential system, differential system by differential axle, differential bag, differential mechanism spline housing, and bevel gear forms differential system spline housing connection electric motor car rear axle shaft.The center of circle of said driving gear, carrier gear and differential bag is on same straight line, and there is inner spline housing at the driving gear center, and carrier gear and gap bridge follower concentric co-axial are processed one, and driven gear and differential system are processed one.Said sun gear fixed plate is bi-directional drive fixed plate or one-way element assembly parts.Described sun gear fixed plate cooperates through spline or polygonal hole with sun gear.
Description of drawings
Fig. 1 is the driving mechanism structural representation of electric motor car rear bridge driven variable speed electric motors, particularly;
Embodiment
The invention discloses a kind of electro-tricycle, electric vehicle automatic speed changing motor driving mechanism, as shown in Figure 1, motor 1, automatic transmission 2 and differential system 3 are arranged; It is characterized in that described automatic transmission 2 comprises transmission shaft 20, driving gear 21, sun gear fixed plate 22, driving disc 24, case 25 and connecting plate 27, the motor shaft 11 of motor 1 drives transmission shaft 20, and the other end of transmission shaft spline 201 is installed connecting plate 27; Connecting plate 27 links to each other with case 25, and planetary pinion 231 is installed in case 25 tops, and the bottom of planetary pinion 231 connects firmly the driving disc 24 that has the piece 26 of crowing; The piece 26 of crowing is connected with extension spring 28; Driving disc 24 is outside driving disc spline 29 is enclosed within transmission shaft 20, and planetary pinion 231 matches with sun gear 23, and sun gear 23 matches with sun gear fixed plate 22; Two side perforations of sun gear fixed plate 22 are fixed on the gear box; Driving disc 24 links to each other with driving gear 21 through driving disc spline 29, and driving gear 21 drives carrier gear 4, and gap bridge follower 41 drives driven gear 35; Driven gear 35 connects differential system 3, and the spline housing 34 in the differential system 3 connects the electric motor car rear axle shaft.When motor 1 high speed operation; Motor shaft 11 drives transmission shaft 20, and transmission shaft 20 drives case 25 through connecting plate 27, and the piece 26 of crowing on the driving disc 24 outwards moves under action of centrifugal force and case 25 engagements; Its power speed directly drives driving gear 21 through driving disc 24 and motor 1 speed synchronization by case 25; When motor 1 low cruise, the piece 26 of crowing of driving disc 24 under the effect of extension spring 28, maintains the original state and case 25 compositions leave, and case 25 drives planetary pinion 231; Planetary pinion 231 connects driving discs 24, and power speed is sent to driving disc 24 and drives driving gears 21 and realized running slowly after the gear ring of case 25 is through the plane table thermoconductivity meter speed change.Driving gear 21 drives carrier gear 4, and gap bridge follower 41 drives driven gear 35, and the differential mechanism spline housing 34 of differential system 3 drives rear axle shaft, has formed electric motor car rear bridge driven automatic speed changing motor driving mechanism.Under the situation of same rated power and Environmental Conditions; Can overcome existing defective by motor 1 rotating speed height self-shifting driving mechanism; Thoroughly solved the conversion of speed and moment with demand; Satisfy the user and in electric vehicle running, climbed and the demand of speed extremely, and reduced inrush current, prolonged storage battery working life.Said motor shaft 11 connects firmly through spline housing 12 with transmission shaft 20 or is coaxial.Said connecting plate 27 links to each other through transmission shaft spline 201 with transmission shaft 20 or links to each other with the polygonal hole cooperation, and connecting plate 27 fixes through jump ring 202 with transmission shaft 20.An above fixed block 271 is installed on the said connecting plate 27, and fixed block 271 matches with case 25, and connecting plate 27 is processed one through screw 272 and fixed block 271 fixing perhaps connecting plates 27 with fixed block 271.Number such as the breach of the quantity of fixed block 271 and case 25 beads; And five equilibrium is identical and close fit; The diameter of connecting plate 27 is less than case 25 internal diameters; Fixed block 271 extends more than or equal to case 25 external diameters at connecting plate 27 external diameters, and connecting plate 27 can be processed an integral body with powder metallurgy and fixed block 271, and is fixed.Centre distance (L) between said driving gear 21 and the carrier gear 4 is 70 ± 2mm or 77 ± 2mm, and the centre distance (S) between carrier gear 4 and the driven gear 35 is 70 ± 2mm or 74 ± 2mm.Said driven gear 35 high center 351 lines arrive the distance A C of second bearing upper-end surface 33 less than the high center line 351 of driven gear to the distance A B of first bearing 31 lower end surfaces.Help the installation of carrier gear 4.Centre distance between the two ends perforation of said sun gear fixed plate 22 should be greater than more than the case 25 diameter 15mm, and the endoporus of sun gear fixed plate 22 cooperates with driving disc spline 29.Said driving gear 21 drives carrier gear 4; Carrier gear 4 drives gap bridge follower 41; Gap bridge follower 41 drives driven gear 35; Driven gear 35 connects differential system 3, and differential system 3 is made up of differential axle 36 differential bags, 32 differential mechanism spline housings 34 and bevel gear, and differential mechanism spline housing 34 connects the electric motor car rear axle shaft.The center of circle of said driving gear 21, carrier gear 4 and differential system 3 is on same straight line, and there is inner spline housing at driving gear 21 centers, and carrier gear 4 is processed one with gap bridge follower 41 concentric co-axial, and driven gear 35 is processed one with differential system 3.Said sun gear fixed plate 22 is bi-directional drive fixed plate or one-way element assembly parts.Described sun gear fixed plate 22 cooperates through spline or polygonal hole with sun gear 23.

Claims (4)

1. electro-tricycle, electric vehicle automatic speed changing motor driving mechanism; Motor (1), automatic transmission (2) and differential system (3) are arranged, it is characterized in that described automatic transmission comprises transmission shaft (20), driving gear (21), sun gear fixed plate (22), driving disc (24), case (25) and connecting plate (27), the motor shaft of motor (11) drives transmission shaft (20); The other end of transmission shaft (20) is installed connecting plate (27); Fixed block (271) on the connecting plate (27) links to each other with case (25), and planetary pinion (231) is installed in case top, and planetary bottom connects firmly the driving disc (24) that has the piece of crowing (26); The piece (26) of crowing is connected with extension spring (28); Driving disc (24) is outside driving disc spline (29) is enclosed within transmission shaft (20), and planetary pinion (231) matches with sun gear (23), and sun gear (23) matches with sun gear fixed plate (22); Two side perforations of sun gear fixed plate (22) are fixed on the gear box; Driving disc (24) links to each other with driving gear (21) through driving disc spline (29), and driving gear (21) drives carrier gear (4), and gap bridge follower (41) drives driven gear (35); Driven gear connects differential system (3), and differential system spline housing (34) connects the electric motor car rear axle shaft.
2. electro-tricycle as claimed in claim 1, electric vehicle automatic speed changing motor driving mechanism; It is characterized in that the centre distance (L) between said driving gear (21) and the carrier gear (4) is 70 ± 2mm or 77 ± 2mm, the centre distance (S) between carrier gear (4) and the driven gear (35) is 70 ± 2mm or 74 ± 2mm.
3. electro-tricycle as claimed in claim 1, electric vehicle automatic speed changing motor driving mechanism; It is characterized in that the high center line of said driven gear (351) to the distance A B of first bearing (31) lower end surface less than the distance A C of the high center line of driven gear (351) to second bearing (33) upper-end surface, help the installation of carrier gear (4).
4. electro-tricycle as claimed in claim 1, electric vehicle automatic speed changing motor driving mechanism; The center of circle that it is characterized in that said driving gear (21), carrier gear (4) and differential system (3) is on same straight line; There is inner spline housing at driving gear (21) center; Carrier gear (4) is processed one with gap bridge follower (41) concentric co-axial, and driven gear (4) is processed one with differential system (3).
CN201110029082.9A 2011-01-19 2011-01-19 Electro-tricycle, electric vehicle automatic speed change motor transmission mechanism Active CN102606689B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110029082.9A CN102606689B (en) 2011-01-19 2011-01-19 Electro-tricycle, electric vehicle automatic speed change motor transmission mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110029082.9A CN102606689B (en) 2011-01-19 2011-01-19 Electro-tricycle, electric vehicle automatic speed change motor transmission mechanism

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CN102606689B CN102606689B (en) 2015-12-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103903828A (en) * 2014-04-20 2014-07-02 任金瑞 Static iron core of automatic gearbox of electric car or electric tricycle
CN103912662A (en) * 2014-04-22 2014-07-09 任金瑞 Extensible rod of automatic transmission of electric vehicle and electric tricycle
CN103982604A (en) * 2014-04-10 2014-08-13 金洁琼 Electric bicycle automatic speed change transmission mechanism with reverse gearing and sliding functions
CN108644326A (en) * 2018-04-27 2018-10-12 重庆乾威科技有限公司 Automatic transmission for electric vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2701678A1 (en) * 1993-02-18 1994-08-26 Steyr Daimler Puch Ag Axle drive mechanism of an electromobile.
US20040108778A1 (en) * 2002-12-05 2004-06-10 Nissan Motor Co., Ltd. Integrated drive motor unit for a vehicle
CN2668497Y (en) * 2003-12-31 2005-01-05 周仕庆 Motor tricycle gear driving device
CN201027927Y (en) * 2007-03-16 2008-02-27 施焕潮 Transmission driving mechanism for electro-tricycle
CN201282392Y (en) * 2008-04-25 2009-07-29 蔡银建 Heavy type double drive differential motor of motor vehicle
CN202001563U (en) * 2011-01-19 2011-10-05 金碧波 Transmission mechanism for automatic transmission motor of electro-tricycle/electric automobile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2701678A1 (en) * 1993-02-18 1994-08-26 Steyr Daimler Puch Ag Axle drive mechanism of an electromobile.
US20040108778A1 (en) * 2002-12-05 2004-06-10 Nissan Motor Co., Ltd. Integrated drive motor unit for a vehicle
CN2668497Y (en) * 2003-12-31 2005-01-05 周仕庆 Motor tricycle gear driving device
CN201027927Y (en) * 2007-03-16 2008-02-27 施焕潮 Transmission driving mechanism for electro-tricycle
CN201282392Y (en) * 2008-04-25 2009-07-29 蔡银建 Heavy type double drive differential motor of motor vehicle
CN202001563U (en) * 2011-01-19 2011-10-05 金碧波 Transmission mechanism for automatic transmission motor of electro-tricycle/electric automobile

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103982604A (en) * 2014-04-10 2014-08-13 金洁琼 Electric bicycle automatic speed change transmission mechanism with reverse gearing and sliding functions
CN103903828A (en) * 2014-04-20 2014-07-02 任金瑞 Static iron core of automatic gearbox of electric car or electric tricycle
CN103912662A (en) * 2014-04-22 2014-07-09 任金瑞 Extensible rod of automatic transmission of electric vehicle and electric tricycle
CN103912662B (en) * 2014-04-22 2016-06-08 任金瑞 Electric automobile, electro-tricycle automatic gear-box expansion link
CN108644326A (en) * 2018-04-27 2018-10-12 重庆乾威科技有限公司 Automatic transmission for electric vehicle
CN108644326B (en) * 2018-04-27 2020-11-17 重庆乾威科技有限公司 Automatic transmission for electric vehicle

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Effective date of registration: 20180518

Address after: 318020 Chengjiang West Street, Huangyan District, Taizhou, Zhejiang

Patentee after: Taizhou Hao Tsai Industrial Design Co., Ltd.

Address before: 318020 Room 302, unit two, eight new construction village, Chengguan Town, Huangyan District, Taizhou, Zhejiang.

Patentee before: Jin Bibo