CN202203357U - Mechanical transmission of electric vehicle - Google Patents
Mechanical transmission of electric vehicle Download PDFInfo
- Publication number
- CN202203357U CN202203357U CN2011202657908U CN201120265790U CN202203357U CN 202203357 U CN202203357 U CN 202203357U CN 2011202657908 U CN2011202657908 U CN 2011202657908U CN 201120265790 U CN201120265790 U CN 201120265790U CN 202203357 U CN202203357 U CN 202203357U
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- China
- Prior art keywords
- driven gear
- driving gear
- ratchet
- electric vehicle
- gear
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Abstract
The utility model provides a mechanical transmission of an electric vehicle, and belongs to the technical field of electric vehicles. The mechanical transmission solves the problems of low resistance moment during parking and insufficient reliability because the transmission of the conventional electric vehicle is not provided with a parking mechanism. The mechanical transmission of the electric vehicle comprises an input shaft, a primary driving gear, a primary driven gear, a secondary driving gear, a secondary driven gear, an output shaft and a differential; the primary driving gear is engaged with the primary driven gear; the secondary driving gear is engaged with the secondary driven gear; the input shaft is fixedly connected with the primary driving gear; the primary driven gear is fixedly connected together with the secondary driving gear through the output shaft; the differential is fixedly connected to the secondary driven gear; and the differential is also provided with a parking mechanism for implementing parking by coordination of a ratchet wheel and a pawl. The mechanical transmission has the advantages of simple structure, easiness for adjustment of speed ratio, high gear strength, safety and reliability.
Description
Technical field
The utility model belongs to the electric vehicle engineering field, relates to a kind of mechanical transmission of electric vehicle.
Background technique
Along with advancing and rapid development of automobile industry of society, people's living standard constantly improves, and automobile has become one of a kind of important traffic tool that people ride instead of walk.Be directed to automotive powerplant and can be divided into fuel-engined vehicle and electric vehicle; Along with domestic petroleum is supplied with more and more severeer; Emission regulation demands is more and more stricter, and market and policy are all more and more urgent to the demand of new energy car, and each major company in the whole world is is all researching and developing and promoting the new energy vehicle energetically at present; Electric vehicle is wherein favorite especially; Electric vehicle possesses that noise is little, zero-emission, comfortable clean advantage, and what be that automobile realizes automation, intelligent development must also be the inexorable trend that replaces conventional fuel-engined vehicle through approach.
At present electric vehicle especially the deceleration of pure electric automobile increase and turn round mechanism and mainly adopt conventional automotive transmission transformation; Because the applying working condition and the pure electric automobile of conventional automobile have very big difference; With being used for to cause shortcomings such as bearing life is low, Sealing Performance of Oil Seal is poor, noise is big on the pure electric automobile after the conventional automotive transmission transformation; Be exactly in addition pure electric automobile be to use motor driving, halting mechanism is not set again on the speed changer, the resisting moment when pure electric automobile stops is less; Reliability near parking brake is not enough, therefore has bigger hidden danger.
Summary of the invention
The purpose of the utility model is to existing deficiency, and the mechanical transmission of the electric vehicle that a kind of automobile eliminates safe hidden trouble when stopping is provided.
The purpose of the utility model can realize through following technical proposal: a kind of mechanical transmission of electric vehicle; Comprise an input shaft, one-level driving gear, one-level driven gear, secondary driving gear, secondary driven gear, output shaft and differential mechanism; Described one-level driving gear is meshed with the one-level driven gear; Described secondary driving gear is meshed with the secondary driven gear; Described input shaft is connected with the one-level driving gear mutually; Be fixed together mutually through described output shaft between described one-level driven gear and the described secondary driving gear, described differential mechanism is fixed on the described secondary driven gear, also is provided with on the described differential mechanism through the match halting mechanism of incompatible realization Parking of ratchet and ratchet.
The mechanical transmission of this electric vehicle mainly is made up of an input shaft, one-level driving gear, one-level driven gear, secondary driving gear, secondary driven gear, output shaft and differential mechanism; Input shaft drives the one-level driving gear and rotates, and one-level driving gear and the engagement of one-level driven gear drive the one-level driven gear and rotate; One-level driven gear and secondary driving gear all be fixed on the output shaft and with the output shaft coaxial rotation; The one-level driven gear drives the secondary driving gear and rotates, and secondary driving gear and secondary driven gear drive the secondary driven gear and rotate; The secondary driven gear is connected with differential mechanism mutually; The secondary driven gear drives differential mechanism and rotates, and is safer for the parking of automobile braking, on differential mechanism, is provided with halting mechanism.
In the mechanical transmission of above-mentioned electric vehicle, described halting mechanism comprise ratchet with the ratchet of the corresponding engagement of ratchet, this ratchet is connected on the differential casing, this ratchet is controlled the differential mechanism motion through kayser or release ratchet.This halting mechanism mainly is made up of ratchet and pawl, and ratchet is connected on the differential casing, and ratchet and ratchet are equipped with and ratchet is done corresponding braking.
In the mechanical transmission of above-mentioned electric vehicle, described differential mechanism comprises two power output semiaxis that place symmetrical position, and this semiaxis is semiaxis one and semiaxis two.Differential mechanism can drive semiaxis one, semiaxis two rotates on differential mechanism.
Compared with prior art; The differential mechanism of the mechanical transmission of this electric vehicle is fixed on the described secondary driven gear; Also be provided with on the described differential mechanism through the match halting mechanism of incompatible realization Parking of ratchet and ratchet; When parking of automobile the braking safer, the utility model is simple in structure, speed ratio is adjusted easily, the strength of gear teeth is big, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the mechanical transmission of this electric vehicle.
Among the figure, 1, input shaft; 2, one-level driving gear; 3, one-level driven gear; 4, secondary driving gear; 5, secondary driven gear; 6, output shaft; 7, differential mechanism; 8, ratchet; 9, semiaxis one; 10, semiaxis two.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
As shown in Figure 1; The mechanical transmission of this electric vehicle mainly is made up of an input shaft 1, one-level driving gear 2, one-level driven gear 3, secondary driving gear 4, secondary driven gear 5, output shaft 6 and differential mechanism 7; One-level driving gear 2 is meshed with one-level driven gear 3; Secondary driving gear 4 is meshed with secondary driven gear 5, and input shaft 1 is connected with one-level driving gear 2 mutually, is fixed together mutually through described output shaft 6 between one-level driven gear 3 and the described secondary driving gear 4; Differential mechanism 7 is fixed on the secondary driven gear 5; This differential mechanism 7 comprises two power output semiaxis that place symmetrical position, and this semiaxis is semiaxis 1 and semiaxis 2 10, and differential mechanism 7 can drive semiaxis 1, semiaxis 2 10 and on differential mechanism 7, rotate; The working principle of this speed changer is: input shaft 1 drives one-level driving gear 2 and rotates; One-level driving gear 2 and 3 engagements of one-level driven gear; Drive one-level driven gear 3 and rotate, one-level driven gear 3 and secondary driving gear 4 all be fixed on the output shaft 6 and with output shaft 6 coaxial rotation, one-level driven gear 3 drives secondary driving gears 4 and rotates; Secondary driving gear 4 is meshed with secondary driven gear 5; Drive secondary driven gear 5 and rotate, secondary driven gear 5 is connected with differential mechanism 7 mutually, and secondary driven gear 5 drives differential mechanism 7 and rotates; On differential mechanism 7, be provided with the ratchet 8 of halting mechanism, when parking of automobile needed Parking, pawl-and-gearing 8 mating reactions of halting mechanism made differential mechanism braking, thereby made and can not move when automobile stops Parking, made vehicle complete vehicle safer.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (3)
1. the mechanical transmission of an electric vehicle; Comprise an input shaft (1), one-level driving gear (2), one-level driven gear (3), secondary driving gear (4), secondary driven gear (5), an output shaft (6) and differential mechanism (7); Described one-level driving gear (2) is meshed with one-level driven gear (3); Described secondary driving gear (4) is meshed with secondary driven gear (5); Described input shaft (1) is connected with one-level driving gear (2) mutually, is fixed together mutually through described output shaft (6) between described one-level driven gear (3) and the described secondary driving gear (4), it is characterized in that; Described differential mechanism (7) is fixed on the described secondary driven gear (5), also is provided with on the described differential mechanism (7) through the match halting mechanism of incompatible realization Parking of ratchet (8) and ratchet.
2. the mechanical transmission of electric vehicle according to claim 1; It is characterized in that; Described halting mechanism comprise ratchet (8) with the ratchet of the corresponding engagement of ratchet (8); This ratchet (8) is connected on differential mechanism (7) housing, and this ratchet is controlled differential mechanism (7) motion through kayser or release ratchet (8).
3. the mechanical transmission of electric vehicle according to claim 1 is characterized in that, described differential mechanism (7) comprises two power output semiaxis that place symmetrical position, and this semiaxis is semiaxis one (9) and semiaxis two (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202657908U CN202203357U (en) | 2011-07-26 | 2011-07-26 | Mechanical transmission of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202657908U CN202203357U (en) | 2011-07-26 | 2011-07-26 | Mechanical transmission of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203357U true CN202203357U (en) | 2012-04-25 |
Family
ID=45967478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202657908U Expired - Fee Related CN202203357U (en) | 2011-07-26 | 2011-07-26 | Mechanical transmission of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203357U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795183A (en) * | 2014-03-06 | 2014-05-14 | 北汽大洋电机科技有限公司 | Power assembly system |
| CN104896029A (en) * | 2015-05-13 | 2015-09-09 | 江苏中力齿轮有限公司 | Electric car transmission |
| CN105952884A (en) * | 2016-06-12 | 2016-09-21 | 北京长城华冠汽车科技股份有限公司 | Electric vehicle locking system, electric vehicle locking method and electric vehicle |
| CN105966235A (en) * | 2015-12-31 | 2016-09-28 | 比亚迪股份有限公司 | Electric drive axle assembly and vehicle with electric drive axle assembly |
| US11440513B2 (en) | 2020-06-04 | 2022-09-13 | Bendix Commercial Vehicle Systems, Llc | Parking brake for an electric vehicle with multi-speed gearbox |
-
2011
- 2011-07-26 CN CN2011202657908U patent/CN202203357U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795183A (en) * | 2014-03-06 | 2014-05-14 | 北汽大洋电机科技有限公司 | Power assembly system |
| CN103795183B (en) * | 2014-03-06 | 2016-08-17 | 北汽大洋电机科技有限公司 | Power assembly system |
| CN104896029A (en) * | 2015-05-13 | 2015-09-09 | 江苏中力齿轮有限公司 | Electric car transmission |
| CN105966235A (en) * | 2015-12-31 | 2016-09-28 | 比亚迪股份有限公司 | Electric drive axle assembly and vehicle with electric drive axle assembly |
| CN105966235B (en) * | 2015-12-31 | 2018-02-09 | 比亚迪股份有限公司 | Electric drive axle assembly and the vehicle with the electric drive axle assembly |
| CN105952884A (en) * | 2016-06-12 | 2016-09-21 | 北京长城华冠汽车科技股份有限公司 | Electric vehicle locking system, electric vehicle locking method and electric vehicle |
| CN105952884B (en) * | 2016-06-12 | 2018-05-22 | 北京长城华冠汽车科技股份有限公司 | A kind of system, method and the electric vehicle of locked electric vehicle |
| US11440513B2 (en) | 2020-06-04 | 2022-09-13 | Bendix Commercial Vehicle Systems, Llc | Parking brake for an electric vehicle with multi-speed gearbox |
| US11572043B2 (en) | 2020-06-04 | 2023-02-07 | Bendix Commercial Vehicle Systems, Llc | Parking brake for an electric vehicle with multi-speed gearbox |
| US11858482B2 (en) | 2020-06-04 | 2024-01-02 | Bendix Commercial Vehicle Systems, Llc | Parking brake for an electric vehicle with multi-speed gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |