CN110513447A - A kind of coaxial-type speed changer and electric vehicle for electric vehicle - Google Patents
A kind of coaxial-type speed changer and electric vehicle for electric vehicle Download PDFInfo
- Publication number
- CN110513447A CN110513447A CN201910803810.3A CN201910803810A CN110513447A CN 110513447 A CN110513447 A CN 110513447A CN 201910803810 A CN201910803810 A CN 201910803810A CN 110513447 A CN110513447 A CN 110513447A
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- gear
- coaxial
- driving
- speed changer
- driven
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- 230000005540 biological transmission Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
- F16H2200/0091—Transmissions for multiple ratios characterised by the number of reverse speeds the gear ratios comprising three reverse speeds
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention provides a kind of coaxial-type speed changers and electric vehicle for electric vehicle, belong to vehicular field.The coaxial-type speed changer includes: sequentially connected driving gear mechanism, driven gear mechanism and differential mechanism, the driving gear mechanism includes the input shaft being connected to the motor, the differential mechanism includes the first output axle shaft and the second output axle shaft, wherein, the differential mechanism is arranged in the driven gear mechanism close to the side of the driving gear mechanism, the input shaft of the driving gear mechanism is set as hollow shaft, and the input shaft coaxial sleeve is set to outside first output axle shaft or the second output axle shaft of the differential mechanism.Coaxial-type speed changer of the invention is able to solve the big problem of multi-shifting speed variator occupied space of existing motor.
Description
Technical field
The present invention relates to vehicular fields, more particularly to a kind of coaxial-type speed changer and electric vehicle for electric vehicle.
Background technique
Due to environmental pollution and problems of energy consumption, electric car was more and more applied originally, each both at home and abroad
Motor corporation is positive to be researched and developed and is manufactured to electric car.But since electric car is to the structural requirement pole of running part
To be compact, major part electric car is not equipped with speed changer or only equipped with single shift transmission at present, can not meet simultaneously dynamic property and
Cost-effectiveness requirement.
Only a few electric car is furnished with 2 shift transmissions, and technical solution is as shown in Fig. 1: input shaft 10, jackshaft 20 are parallel
Ground is arranged in the transmission；Two gear driving gear 11, one is kept off driving gear 12 and is placed on input shaft；Parking gear 21, second gear from
Moving gear 22, one keeps off driven gear 23, main deceleration driving gear 24 is placed on jackshaft；Differential mechanism 30 is placed in speed changer, poor
Fast device gear ring 31 is connected on differential mechanism；One end of pawl 40 is placed on case of transmission, and the other end can realize and parking gear
21 engagements or separation；Synchronizer S1 is connected on input shaft or jackshaft.The speed changer can make driving motor by converting gear
Long-term work is improved work efficiency in high efficient district, increases electric vehicle mileage travelled, improves the economy of electric vehicle, drop
Low integral vehicle cost.
But multi-shifting speed variator the space occupied of above-mentioned form is larger, is unable to satisfy the arrangement of electric vehicle spaces compact
It is required that.
Summary of the invention
It is an object of the present invention to provide a kind of coaxial-type speed changers for electric vehicle, are able to solve existing electronic
The big problem of the multi-shifting speed variator occupied space of machine.
A further object of the present invention is to the economy of electric vehicle to be improved and dynamic property.
Particularly, the present invention provides a kind of coaxial-type speed changers for electric vehicle, comprising:
Sequentially connected driving gear mechanism, driven gear mechanism and differential mechanism, the driving gear mechanism include and electricity
The connected input shaft of machine, the differential mechanism include the first output axle shaft and the second output axle shaft, wherein
The differential mechanism is arranged in the driven gear mechanism close to the side of the driving gear mechanism, the driving tooth
The input shaft of wheel mechanism is set as hollow shaft, and the input shaft coaxial sleeve is set to first output of the differential mechanism
Outside semiaxis or the second output axle shaft.
Optionally, the driving gear mechanism further includes multiple driving gears, is coaxially fixed at the input shaft；
The driven gear mechanism further includes jackshaft and the multiple driven gears for being coaxially fixed on the jackshaft, described
Multiple driven gears are engaged with the multiple driving gear one-to-one correspondence.
Optionally, the driven gear mechanism further includes the final gear for being coaxially fixed on the jackshaft；
The differential mechanism further includes gear ring, and the gear ring is meshed with the final gear.
Optionally, the multiple driving gear includes 1 gear driving gear, 2 gear driving gears and 3 gear driving gears, described
Multiple driven gears include being corresponding in turn to and nibbling with the 1 gear driving gear, the 2 gear driving gear and the 3 gear driving gear
1 gear driven gear, 2 gear driven gears and the 3 gear driven gears closed.
Optionally, the driving gear mechanism further include:
1/2 gear synchronizer, it is fixed on the input shaft, it is kept off for engaging or separating the 1 gear driving gear and described 2
Driving gear；
The driven gear mechanism further include:
3 gear synchronizers one, are fixedly arranged on the jackshaft, for engaging or separating the 3 gear driven gear.
Optionally, the driven gear mechanism further includes parking ratchet wheel, is fixedly arranged at the jackshaft, in parking
It is connected with the halting mechanism of the electric vehicle.
Optionally, the driving gear mechanism further include:
1/2 gear synchronizer and 3 gear synchronizers two, fixed on the input shaft, the 1/2 gear synchronizer is for engaging
Or the separation 1 gear driving gear and the 2 gear driving gear, the 3 gear synchronizer two are used to engage or separate the 3 gear master
Moving gear.
Optionally, the driven gear mechanism further includes parking ratchet wheel, is fixedly arranged at the jackshaft, in parking
It is connected with the halting mechanism of the electric vehicle.
Particularly, the present invention also provides any in a kind of electric vehicle, including motor, halting mechanism and claim 1-8
Coaxial-type speed changer described in, the motor are connected with the input shaft of the driving gear mechanism, the halting mechanism and institute
The parking ratchet wheel for stating driven gear mechanism is connected.
Optionally, the electric vehicle further include:
Reverse gear button, connect with the motor signal, for controlling the positive and negative rotation of the motor.
One output axle shaft of the input shaft of driving gear mechanism and differential mechanism is arranged coaxial-type speed changer of the invention
To be coaxially arranged, therefore entire differential mechanism has saved the occupied space of the output axle shaft of speed changer radially, that is, greatly reduces
The radial space of coaxial-type speed changer, keeps coaxial-type speed changer spatial radial space very compact, also makes the coaxial-type speed change
Device is easier to be mounted in more multi-vehicle-type.
Further, coaxial-type speed changer of the invention have the function of 3 speed transmission, improve electric vehicle economy and
Dynamic property enables speed changer preferably to match with motor, the dynamic property and economy of power assembly is improved, to improve
The efficiency and cruising ability of vehicle, while by clicking the button that reverses gear, three speed may be implemented and reverse gear.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the structural schematic diagram of 2 shift transmissions in the prior art；
Fig. 2 is the structural schematic diagram of coaxial-type speed changer according to an embodiment of the invention；
Fig. 3 is the structural schematic diagram of coaxial-type speed changer in accordance with another embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the coaxial-type speed changer of a further embodiment according to the present invention.
Specific embodiment
Fig. 2 is the structural schematic diagram of coaxial-type speed changer according to an embodiment of the invention.As shown in Fig. 2, of the invention
Provide a kind of coaxial-type speed changer for electric vehicle, in one embodiment, which generally be can wrap
Include sequentially connected driving gear mechanism 1, driven gear mechanism 2 and differential mechanism 3.Driving gear mechanism 1 includes being connected with motor 4
Input shaft 100, differential mechanism 3 include the first output axle shaft 302 and the second output axle shaft 303.Differential mechanism 3 is arranged in driven gear
Mechanism 2 is set as hollow shaft, and input shaft 100 close to the side of driving gear mechanism 1, the input shaft 100 of driving gear mechanism 1
Coaxial sleeve is set to outside the first output axle shaft 302 or the second output axle shaft 303 of differential mechanism 3.
The coaxial-type speed changer of the present embodiment exports half for one of the input shaft 100 of driving gear mechanism 1 and differential mechanism 3
Axis is set as coaxially being arranged, therefore entire speed changer has saved the occupied space of the output axle shaft of differential mechanism 3 radially, i.e., greatly
The radial space for reducing coaxial-type speed changer greatly, keeps coaxial-type speed changer spatial radial space very compact, also makes this coaxial
Formula speed changer is easier to be mounted in more multi-vehicle-type.
Optionally, driving gear mechanism 1 further includes multiple driving gears, is coaxially fixed at input shaft 100.Driven gear
Mechanism 2 further includes jackshaft 200 and the multiple driven gears for being coaxially fixed on jackshaft 200, multiple driven gears and multiple masters
Moving gear corresponds engagement.
Optionally, driven gear mechanism 2 further includes the final gear for being coaxially fixed on jackshaft 200.Differential mechanism 3 also wraps
Gear ring 301 is included, gear ring 301 is meshed with final gear.As differential mechanism 3 in the prior art, which is one
Cyclic train, including gear ring 301, sun gear, planetary gear and fixed frame, are installed on the output axle shaft of differential mechanism 3 and planetary gear
The power inputted from final gear is transmitted on output axle shaft by meshed gears.
In one embodiment, as shown in Fig. 2, multiple driving gears include that 1 gear driving gear 101,2 keeps off driving gear 103
With 3 gear driving gears 104, multiple driven gears include keeping off driving gear 103 and 3 with 1 gear driving gear 101,2 to keep off driving tooth
The 1 gear driven gear 201,2 that wheel 104 is corresponding in turn to engagement keeps off driven gear 203 and 3 and keeps off driven gear 205.
The coaxial-type speed changer of the present embodiment has the function of 3 speed transmissions, improves the economy and dynamic property of electric vehicle,
So that speed changer is preferably matched with motor 4, the dynamic property and economy of power assembly is improved, to improve vehicle
Efficiency and cruising ability.
As shown in Fig. 2, driving gear mechanism 1 further includes 1/2 gear synchronizer 102 in a further embodiment, Gu
If on input shaft 100, for engaging or separating 1 gear driving gear 101 and 2 gear driving gear 103.Driven gear mechanism 2 is also
Including 3 gear synchronizers 1, it is fixedly arranged on jackshaft 200, for engaging or separating 3 gear driven gears 205.The work of synchronizer
With: whether control power passes to gear, i.e., when synchronizer is engaged with gear, gear rotates together with synchronizer, works as synchronization
When device is separated with gear, gear does not rotate together with synchronizer.
The fast power transmission line in the 3 of the present embodiment is as follows:
In forward gear:
When 1 gear operating condition, 1/2 gear synchronizer 102 and 1 on input shaft 100 keeps off driving gear 101 and engages.
1 gear power transmission line: input shaft 100--1/2 keeps off synchronizer 102--1 gear driving gear 101-1 and keeps off driven gear
201-- jackshaft 200-- final gear 206-- gear ring 301- differential mechanism 3-- the first output axle shaft 302 and the second output axle shaft
303-- output.
When 2 gear operating condition, 1/2 gear synchronizer 102 and 2 on input shaft 100 keeps off driving gear 103 and engages.
2 gear power transmission lines: input shaft 100--1/2 keeps off synchronizer 102-2 gear driving gear 103-2 and keeps off driven gear
203- jackshaft 200- final gear 206- gear ring 301- differential mechanism 3-- the first output axle shaft 302 and the second output axle shaft
303-- output.
When 3 gear operating condition, 3 gear synchronizers one 204 and 3 on jackshaft 200 keep off driven gear 205 and engage.
3 gear power transmission lines: input shaft 100-3 keeps off driving gear 104-3 gear driven gear 205-3 and keeps off synchronizer one
204- jackshaft 200- final gear 206- gear ring 301- differential mechanism 3-- the first output axle shaft 302 and the second output axle shaft
303-- output.
When reversing gear:
When 1 gear operating condition, 1/2 gear synchronizer 102 and 1 on input shaft 100 keeps off driving gear 101 and engages.
1 gear power transmission line: input shaft 100--1/2 keeps off synchronizer 102-1 gear driving gear 101-1 and keeps off driven gear
201- jackshaft 200- final gear 206- gear ring 301- differential mechanism 3-- the first output axle shaft 302 and the second output axle shaft
303-- output.
When 2 gear operating condition, 1/2 gear synchronizer 102 and 2 on input shaft 100 keeps off driving gear 103 and engages.
2 gear power transmission lines: input shaft 100--1/2 keeps off synchronizer 102-2 gear driving gear 103-2 and keeps off driven gear
203- jackshaft 200- final gear 206- gear ring 301- differential mechanism 3-- the first output axle shaft 302 and the second output axle shaft
303-- output.
When 3 gear operating condition, 3 gear synchronizers one 204 and 3 on jackshaft 200 keep off driven gear 205 and engage.
3 gear power transmission lines: input shaft 100-3 keeps off driving gear 104-3 gear driven gear 205-3 and keeps off synchronizer one
204- jackshaft 200- final gear 206- gear ring 301- differential mechanism 3-- the first output axle shaft 302 and the second output axle shaft
303-- output.
The realization reversed gear can be realized by the control reversion of motor 4 output reverse speed.
Fig. 3 is the structural schematic diagram of coaxial-type speed changer in accordance with another embodiment of the present invention.In another embodiment,
As shown in figure 3, driven gear mechanism 2 further includes parking ratchet wheel 202, it is fixedly arranged at jackshaft 200, in parking Shi Yu electricity
The halting mechanism 5 of motor-car is connected, to realize parking function.
Power is passed to the coaxial-type speed changer from input shaft 100 by motor 4.Optionally, 1 gear driving gear 101 and 2 is kept off
Driving gear 103 is mounted on input shaft 100 by needle bearing, and 1/2 gear synchronizer 102 is connected to input shaft by spline
On 100.3 gear driving gears 104 are connected on input shaft 100 by spline, or are structure as a whole with input shaft 100.1 gear
Driven gear 201, parking ratchet wheel 202,2 keep off the gear synchronizer 1 of driven gear 203 and 3 and are connected between axis by spline
On 200,3 gear driven gears 205 are connected between on axis 200 by needle bearing.Main gear 206 and the jackshaft 200 of subtracting is one
Body structure.Gear ring 301 is connect by modes such as bolt, riveting or welding with differential mechanism 3.Wherein, 1 gear driving gear 101 with
1 gear driven gear 201 often engages.2 gear driven gears 203103 and 2 keep off driven gear 203 and often engage.3 gear driving gears 104 with
3 gear driven gears 205 often engage；Master subtracts gear 206 and often engages with gear ring 301.First output axle shaft 302 passes through input shaft 100
Centre bore be connected with differential mechanism 3 by spline.
Fig. 4 is the structural schematic diagram of the coaxial-type speed changer of a further embodiment according to the present invention.Such as Fig. 4 institute
Show, in a further embodiment of the present invention, driving gear mechanism 1 further includes 1/2 gear synchronizer 102 and 3 gear synchronizer
2 105, it is fixed with input shaft 100 on.1/2 gear synchronizer 102 is for engaging or separating 1 gear driving gear 101 and 2 gear actively
Gear 103,3 keeps off synchronizer 2 105 for engaging or separating 3 gear driving gears 104.
Only the part in the present embodiment about 3 gear synchronizers 2 105 is described below, other parts and above-mentioned implementation
Example is consistent, repeats no more again.
3 gear synchronizers 2 105 are connected on input shaft 100 by spline.
When 3 gear operating condition, 3 gear synchronizers 2 105 and 3 on input shaft 100 keep off driving gear 104 and engage.
3 gear power transmission lines: input shaft 100-3 keeps off two 105-3 of synchronizer gear driving gear 104-3 and keeps off driven gear
205- jackshaft 200- final gear 205- gear ring 301- differential mechanism 3- the first output axle shaft 302 and the second output axle shaft
303- output
As shown in figure 4, further, driven gear mechanism 2 further includes parking ratchet wheel 202, it is fixedly arranged at jackshaft 200,
For being connected in parking with the halting mechanism of electric vehicle 5.
The present invention also provides a kind of electric vehicle, in one embodiment, the electric vehicle include motor 4, halting mechanism 5 and on
The coaxial-type speed changer stated.Motor 4 is connected with the input shaft 100 of driving gear mechanism 1, halting mechanism 5 and driven gear mechanism 2
Parking ratchet wheel 202 be connected.
The coaxial-type speed changer of the electric vehicle exports half for one of the input shaft 100 of driving gear mechanism 1 and differential mechanism 3
Axis is set as coaxially being arranged, therefore entire speed changer has saved the occupied space of the output axle shaft of differential mechanism 3 radially, i.e., greatly
The radial space for reducing coaxial-type speed changer greatly, keeps coaxial-type speed changer spatial radial space very compact, also makes this coaxial
Formula speed changer is easier to be mounted in more multi-vehicle-type.
Further, the coaxial-type speed changer of the electric vehicle of the present embodiment has the function of 3 speed transmissions, improves electric vehicle
Economy and dynamic property, so that speed changer is preferably matched with motor 4, improve the dynamic property and economy of power assembly
Property, to improve the efficiency and cruising ability of vehicle.
In another embodiment, which further includes the button that reverses gear, and is connect with 4 signal of motor, for controlling motor 4
Positive and negative rotation.By clicking the button that reverses gear, three speed may be implemented and reverse gear.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of coaxial-type speed changer for electric vehicle characterized by comprising
Sequentially connected driving gear mechanism, driven gear mechanism and differential mechanism, the driving gear mechanism include and motor phase
Input shaft even, the differential mechanism include the first output axle shaft and the second output axle shaft, wherein
The differential mechanism is arranged in the driven gear mechanism close to the side of the driving gear mechanism, the driving tooth turbine
The input shaft of structure is set as hollow shaft, and the input shaft coaxial sleeve is set to first output axle shaft of the differential mechanism
Or second outside output axle shaft.
2. coaxial-type speed changer according to claim 1, which is characterized in that
The driving gear mechanism further includes multiple driving gears, is coaxially fixed at the input shaft；
The driven gear mechanism further includes jackshaft and the multiple driven gears for being coaxially fixed on the jackshaft, the multiple
Driven gear is engaged with the multiple driving gear one-to-one correspondence.
3. coaxial-type speed changer according to claim 2, which is characterized in that
The driven gear mechanism further includes the final gear for being coaxially fixed on the jackshaft；
The differential mechanism further includes gear ring, and the gear ring is meshed with the final gear.
4. coaxial-type speed changer according to claim 3, which is characterized in that
The multiple driving gear includes 1 gear driving gear, 2 gear driving gears and 3 gear driving gears, the multiple driven gear
Including being corresponding in turn to engage 1 gear driven tooth with the 1 gear driving gear, the 2 gear driving gear and the 3 gear driving gear
Wheel, 2 gear driven gears and 3 gear driven gears.
5. coaxial-type speed changer according to claim 4, which is characterized in that
The driving gear mechanism further include:
1/2 gear synchronizer, it is fixed on the input shaft, it is kept off actively for engaging or separating the 1 gear driving gear and described 2
Gear；
The driven gear mechanism further include:
3 gear synchronizers one, are fixedly arranged on the jackshaft, for engaging or separating the 3 gear driven gear.
6. coaxial-type speed changer according to claim 5, which is characterized in that
The driven gear mechanism further includes parking ratchet wheel, is fixedly arranged at the jackshaft, in parking with it is described electronic
The halting mechanism of vehicle is connected.
7. coaxial-type speed changer according to claim 4, which is characterized in that
The driving gear mechanism further include:
1/2 keeps off synchronizer and 3 gear synchronizers two, and fixed on the input shaft, the 1/2 gear synchronizer is for engaging or dividing
From the 1 gear driving gear and the 2 gear driving gear, the 3 gear synchronizer two is for engaging or separating the 3 gear driving tooth
Wheel.
8. coaxial-type speed changer according to claim 7, which is characterized in that
The driven gear mechanism further includes parking ratchet wheel, is fixedly arranged at the jackshaft, in parking with it is described electronic
The halting mechanism of vehicle is connected.
9. a kind of electric vehicle, which is characterized in that including motor, halting mechanism and of any of claims 1-8 coaxial
Formula speed changer, the motor are connected with the input shaft of the driving gear mechanism, the halting mechanism and the driven tooth turbine
The parking ratchet wheel of structure is connected.
10. electric vehicle according to claim 9, which is characterized in that further include:
Reverse gear button, connect with the motor signal, for controlling the positive and negative rotation of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803810.3A CN110513447A (en) | 2019-08-28 | 2019-08-28 | A kind of coaxial-type speed changer and electric vehicle for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803810.3A CN110513447A (en) | 2019-08-28 | 2019-08-28 | A kind of coaxial-type speed changer and electric vehicle for electric vehicle |
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| Publication Number | Publication Date |
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| CN110513447A true CN110513447A (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910803810.3A Pending CN110513447A (en) | 2019-08-28 | 2019-08-28 | A kind of coaxial-type speed changer and electric vehicle for electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022135407A1 (en) * | 2020-12-23 | 2022-06-30 | 武汉路特斯汽车有限公司 | Coaxial pure electric vehicle power system having power disconnection function and vehicle |
| CN114771242A (en) * | 2022-04-25 | 2022-07-22 | 特百佳动力科技有限公司 | Coaxial electric drive bridge and automobile |
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| WO2022135407A1 (en) * | 2020-12-23 | 2022-06-30 | 武汉路特斯汽车有限公司 | Coaxial pure electric vehicle power system having power disconnection function and vehicle |
| CN114771242A (en) * | 2022-04-25 | 2022-07-22 | 特百佳动力科技有限公司 | Coaxial electric drive bridge and automobile |
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Application publication date: 20191129 |