CN202001563U - Transmission mechanism for automatic transmission motor of electro-tricycle/electric automobile - Google Patents
Transmission mechanism for automatic transmission motor of electro-tricycle/electric automobile Download PDFInfo
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- CN202001563U CN202001563U CN201120027479XU CN201120027479U CN202001563U CN 202001563 U CN202001563 U CN 202001563U CN 201120027479X U CN201120027479X U CN 201120027479XU CN 201120027479 U CN201120027479 U CN 201120027479U CN 202001563 U CN202001563 U CN 202001563U
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Abstract
The utility model discloses a transmission mechanism for an automatic transmission motor of an electro-tricycle/electric automobile. The transmission mechanism comprises a motor, an automatic transmission and a differential system, and is characterized in that: the automatic transmission comprises a transmission shaft, a driving gear, a sun wheel fixing plate, a driving disk, a housing and a connecting plate; a motor shaft of the motor is used for driving the transmission shaft; the connecting plate is arranged at the other end of the transmission shaft, and is connected with the housing; a planetary gear is arranged on the upper part of the housing; the lower part of the planetary gear is fixedly connected with the driving disk with a block; the block is connected with a pull spring; the driving disk is sleeved outside the transmission shaft through a driving disk spline; the planetary gear is matched with a sun wheel; the sun wheel is matched with the sun wheel fixing plate; both sides of the sun wheel fixing plate are perforated and fixed on a transmission case body; the driving disk is connected with the driving gear through a driving disk spline; the driving gear is used for driving an intermediate gear; an intermediate driven gear is used for driving a driven gear; the driven gear is connected with the differential system; and a differential spline sleeve is connected with a rear axle half shaft of a motor vehicle.
Description
Technical field
The utility model relates to electro-tricycle, motor in electric automobile, particularly relates to the driving mechanism of electric motor car rear bridge driven automatic speed changing motor.
Background technique
Electro-tricycle has entered 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, cause 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 purpose of this utility model is in order to overcome the shortcoming that prior art exists, to provide a kind of simple in structure, and the utilization efficiency height can be realized 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.
The utility model electro-tricycle, electric vehicle automatic speed changing motor driving mechanism technological scheme is: comprise motor, automatic transmission and differential system, it is characterized in that described automatic transmission comprises transmission shaft, driving gear, the 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, fixed block on the 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, 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, two side perforations of sun gear fixed plate are fixed on the gear box, driving disc links to each other with driving gear by the driving disc spline, and driving gear drives carrier gear, and the gap bridge follower drives driven gear, driven gear connects differential system, and the differential system spline housing connects the electric motor car rear axle shaft.
The utility model has related to a kind of electro-tricycle, the driving mechanism of electric vehicle automatic speed changing motor, when the motor high speed operation, motor shaft drives transmission shaft, transmission shaft drives case through connecting plate, 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, maintain the original state with the case composition from, 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 by 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, having satisfied the user climbs in electric motor car travels and very fast demand, and reduced inrush current, prolonged storage battery working life.
The utility model electro-tricycle, electric vehicle automatic speed changing motor driving mechanism, described motor shaft connect firmly by spline with transmission shaft or are coaxial.Described connecting plate links to each other by the transmission shaft spline with transmission shaft or links to each other with the polygonal hole cooperation, and connecting plate and transmission shaft fix by jump ring.An above fixed block is installed on the described connecting plate, and fixed block matches with case, and connecting plate links to each other with fixed block by screw or connecting plate and fixed block are made 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 made an integral body with powder metallurgy and fixed block, and is fixed.Centre distance between described 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 described 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 described 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.Described 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 described 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 made one, and driven gear and differential system are made one.Described sun gear fixed plate is bi-directional drive fixed plate or one-way element assembly parts.Described sun gear fixed plate cooperates by 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 utility model discloses a kind of electro-tricycle, electric vehicle automatic speed changing motor driving mechanism, as shown in Figure 1, motor 1 is arranged, automatic transmission 2 and differential system 3, 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, the other end of transmission shaft spline 201 is installed connecting plate 27, connecting plate 27 links to each other with case 25, planetary pinion 231 is installed in case 25 tops, 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, planetary pinion 231 matches with sun gear 23, 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 by driving disc spline 29, driving gear 21 drives carrier gear 4, 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, transmission shaft 20 drives case 25 through connecting plate 27, 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, maintain the original state with case 25 compositions from, 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 by 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, having satisfied the user climbs in electric motor car travels and very fast demand, and reduced inrush current, prolonged storage battery working life.Described motor shaft 11 connects firmly by spline housing 12 with transmission shaft 20 or is coaxial.Described connecting plate 27 links to each other by transmission shaft spline 201 with transmission shaft 20 or links to each other with the polygonal hole cooperation, and connecting plate 27 fixes by jump ring 202 with transmission shaft 20.An above fixed block 271 is installed on the described connecting plate 27, and fixed block 271 matches with case 25, and connecting plate 27 fixes by screw 272 and fixed block 271 or connecting plate 27 is made one 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, connecting plate 27 can be made an integral body with powder metallurgy and fixed block 271, and is fixed.Centre distance (L) between described 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.Described 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 described 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.Described 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, 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 described 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 made one with gap bridge follower 41 concentric co-axial, and driven gear 35 is made one with differential system 3.Described sun gear fixed plate 22 is bi-directional drive fixed plate or one-way element assembly parts.Described sun gear fixed plate 22 cooperates by spline or polygonal hole with sun gear 23.
Claims (4)
1. electro-tricycle, electric vehicle automatic speed changing motor driving mechanism, motor (1) is arranged, automatic transmission (2) and differential system (3), 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), planetary pinion (231) is installed in case top, 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), planetary pinion (231) matches with sun gear (23), 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) by driving disc spline (29), driving gear (21) drives carrier gear (4), 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 described 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 described 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 described 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 made one with gap bridge follower (41) concentric co-axial, and driven gear (4) is made one with differential system (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120027479XU CN202001563U (en) | 2011-01-19 | 2011-01-19 | Transmission mechanism for automatic transmission motor of electro-tricycle/electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120027479XU CN202001563U (en) | 2011-01-19 | 2011-01-19 | Transmission mechanism for automatic transmission motor of electro-tricycle/electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001563U true CN202001563U (en) | 2011-10-05 |
Family
ID=44704304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120027479XU Expired - Fee Related CN202001563U (en) | 2011-01-19 | 2011-01-19 | Transmission mechanism for automatic transmission motor of electro-tricycle/electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001563U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606689A (en) * | 2011-01-19 | 2012-07-25 | 金碧波 | Automatic variable-speed motor transmission mechanism for electric tricycle and electric vehicle |
| CN103928208A (en) * | 2014-05-04 | 2014-07-16 | 任金瑞 | Movable iron core of automatic gearbox of electric automobile and electric tricycle |
| CN104074953A (en) * | 2014-07-01 | 2014-10-01 | 任金瑞 | Gearbox of automatic transmission differential motor |
-
2011
- 2011-01-19 CN CN201120027479XU patent/CN202001563U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606689A (en) * | 2011-01-19 | 2012-07-25 | 金碧波 | Automatic variable-speed motor transmission mechanism for electric tricycle and electric vehicle |
| CN102606689B (en) * | 2011-01-19 | 2015-12-16 | 金碧波 | Electro-tricycle, electric vehicle automatic speed change motor transmission mechanism |
| CN103928208A (en) * | 2014-05-04 | 2014-07-16 | 任金瑞 | Movable iron core of automatic gearbox of electric automobile and electric tricycle |
| CN104074953A (en) * | 2014-07-01 | 2014-10-01 | 任金瑞 | Gearbox of automatic transmission differential motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20140119 |