CN206145008U - Electric automobile and drive assembly and output flange thereof - Google Patents
Electric automobile and drive assembly and output flange thereof Download PDFInfo
- Publication number
- CN206145008U CN206145008U CN201621046192.0U CN201621046192U CN206145008U CN 206145008 U CN206145008 U CN 206145008U CN 201621046192 U CN201621046192 U CN 201621046192U CN 206145008 U CN206145008 U CN 206145008U
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- Prior art keywords
- flange
- sleeve
- output shaft
- bearing
- drive assembly
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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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- General Details Of Gearings (AREA)
- Hybrid Electric Vehicles (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The utility model relates to an electric automobile and drive assembly and output flange thereof. This electric automobile is including the drive assembly, the drive assembly includes derailleur and driving motor, driving motor includes the driving motor hollow shaft that driving motor casing and axis extend along left right direction, the output of derailleur is connected with the coaxial transmission input shaft who wears to adorn in the driving motor hollow shaft, transmission input shaft's output is equipped with the output flange, the output flange includes the flange body, flange body and transmission input shaft fixed connection, transmission input shaft outlying bearing construction section is located including the cover to the flange body, be equipped with the bearing frame on the driving motor casing, be equipped with rolling bearing between bearing construction section and the bearing frame. On locating rolling bearing the bearing construction section of output flange, avoided locating transmission input shaft with rolling bearing and gone up the axial length that to occupy transmission input shaft, the whole axial length that helps shortening transmission input shaft's axial length and drive the assembly.
Description
Technical field
This utility model belongs to technical field of new energy, and in particular to a kind of electric automobile and its drive assembly and defeated
Go out flange.
Background technology
The drive assembly of electric automobile includes motor and variator, motor of the transmission output shaft through motor
Hollow axle realizes power output, and the end of transmission output shaft is connected with output flange, is imparted power to by output flange
Vehicle bridge.
For example, the Chinese patent of the A of application publication number CN 104979947 disclose a kind of motor transmission integrated system and
Using the vehicle of the integrated system, motor transmission integrated system includes variator and motor, and variator includes case of transmission
And transmission output shaft, motor includes electric machine casing and the motor-hollow axle that is installed in electric machine casing, and transmission output shaft is inserted
Loaded in motor-hollow axle, transmission output shaft is realized rotating by rolling bearing, and use is provided with by bolt on electric machine casing
In the outfan gland that bearing is installed（Equivalent to bearing block）, transmission output shaft is provided with for imparting power to vehicle bridge
Output flange.But, rolling bearing is directly sleeved on the outer peripheral face of transmission output shaft, and it is defeated that rolling bearing occupies variator
The larger axially mounted space of shaft, causes the axial dimension of transmission output shaft longer.
Utility model content
The purpose of this utility model is to provide a kind of output flange to solve to arrange rotary shaft on transmission output shaft
Hold and cause the longer technical problem of transmission output shaft axial dimension.The purpose of this utility model also resides in a kind of driving of offer
Assembly and electric automobile.
The technical scheme of drive assembly is in this utility model：A kind of drive assembly, including variator and motor, drive
Galvanic electricity machine includes the motor hollow axle that motor housing and axis extend in left-right direction, the outfan connection of variator
The outfan for having the transmission output shaft being coaxially threaded onto in motor hollow axle, transmission output shaft is provided with output flange,
Output flange includes flange body, and flange body is fixedly connected with transmission output shaft, it is characterised in that：Flange body includes set
Located at the bearing construction section of transmission output shaft periphery, motor housing is provided with bearing block, bearing construction section and bearing block
Between be provided with rolling bearing.
Sleeve and the flange located at sleeve right-hand member that flange body extends in left-right direction including axis, the periphery of sleeve
Face is stairstepping, and sleeve includes the path section and big footpath section of left and right setting, and path section constitutes bearing construction section, path section and big footpath
Formed for limiting the first limiting stand terrace that rolling bearing inner ring moves right between section.
Bearing block includes the mounting cylinder that axis extends in left-right direction, and rolling bearing is threaded onto in mounting cylinder, mounting cylinder
The outer peripheral face of left end is provided with the bearing block for being connected with electric machine casing and is connected side, and the right-hand member of mounting cylinder is provided with for limiting
The retaining edge that rolling bearing outer ring moves right.
It is provided with oil sealing between footpath section and retaining edge greatly.
The outfan of transmission output shaft is provided with external splines, and the inwall of sleeve is provided with the interior flower for being engaged with external splines
Key.
The technical scheme of output flange is in this utility model：A kind of output flange, including for transmission output shaft
The flange body mutually fixed, it is characterised in that：Flange body include be sheathed on transmission output shaft periphery for rolling bearing
The bearing construction section of installation.
Sleeve and the flange located at sleeve right-hand member that flange body extends in left-right direction including axis, the periphery of sleeve
Face is stairstepping, and sleeve includes the path section and big footpath section of left and right setting, and path section constitutes bearing construction section, path section and big footpath
Formed for limiting the first limiting stand terrace that rolling bearing inner ring moves right between section.
The inwall of sleeve is provided with the internal spline being engaged for the external splines with transmission output shaft.
The technical scheme of electric automobile is in this utility model：Electric automobile includes drive assembly, and drive assembly includes becoming
Fast device and motor, motor includes the motor hollow axle that motor housing and axis extend in left-right direction,
The outfan of variator is connected with the transmission output shaft being coaxially threaded onto in motor hollow axle, transmission output shaft it is defeated
Go out end and be provided with output flange, output flange includes flange body, and flange body is fixedly connected with transmission output shaft, and its feature exists
In：Flange body includes being sheathed on the bearing construction section of transmission output shaft periphery, and motor housing is provided with bearing block, axle
Hold and be provided between construction section and bearing block rolling bearing.
Sleeve and the flange located at sleeve right-hand member that flange body extends in left-right direction including axis, the periphery of sleeve
Face is stairstepping, and sleeve includes the path section and big footpath section of left and right setting, and path section constitutes bearing construction section, path section and big footpath
Formed for limiting the first limiting stand terrace that rolling bearing inner ring moves right between section.
Bearing block includes the mounting cylinder that axis extends in left-right direction, and rolling bearing is threaded onto in mounting cylinder, mounting cylinder
The outer peripheral face of left end is provided with the bearing block for being connected with electric machine casing and is connected side, and the right-hand member of mounting cylinder is provided with for limiting
The retaining edge that rolling bearing outer ring moves right.
It is provided with oil sealing between footpath section and retaining edge greatly.
The outfan of transmission output shaft is provided with external splines, and the inwall of sleeve is provided with the interior flower for being engaged with external splines
Key.
The beneficial effects of the utility model are：By realizing becoming located at the rolling bearing between bearing construction section and bearing block
The rotation of the outfan of fast device output shaft, by rolling bearing on the bearing construction section of output flange, it is to avoid by rotary shaft
Holding can take the axial length of transmission output shaft on transmission output shaft, contribute to shortening the axial direction of transmission output shaft
The overall axial length of length and drive assembly.
Description of the drawings
Fig. 1 is the structural representation of drive assembly in the embodiment of electric automobile in this utility model；
Fig. 2 is output flange, transmission output shaft and rolling bearing in the embodiment of electric automobile in this utility model
The structural representation of installation relation.
In figure：1st, variator；2nd, motor；21st, motor housing；211；Motor right end cap；22nd, motor is empty
Heart axle；11st, transmission output shaft；3rd, flange body；31st, path section；32nd, big footpath section；33rd, flange；34th, the first limited step
Face；4th, rolling bearing；41st, rolling bearing inner ring；42nd, rolling bearing outer ring；5th, connecting bolt；6th, bearing block；61st, mounting cylinder；
62nd, bearing block connection side；63rd, retaining edge；7th, outer back-up ring；8th, oil sealing；9th, locking nut.
Specific embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of electric automobile of the present utility model, as shown in Figure 1 to Figure 2.Electric automobile includes drive assembly
And vehicle bridge.Drive assembly includes the variator 1 and motor 2 of left and right setting.Motor 2 includes the He of motor housing 20
The motor hollow axle 22 that the axis being installed in generator housing extends in left-right direction, motor housing 20 includes electricity
Machine right end cap 211.Variator 1 includes the transmission output shaft 11 that axis extends in left-right direction.Transmission output shaft 11 is coaxial
In being threaded onto motor hollow axle 22.
The outfan of transmission output shaft 11 is provided with output flange, and output flange includes flange body 3, and flange body 3 is wrapped
The bearing construction section for being sheathed on transmission output shaft periphery is included, sleeve and set that flange body extends in left-right direction including axis
In the flange 33 of sleeve right-hand member, the outer peripheral face of sleeve is stairstepping, and sleeve includes the path section 31 and big footpath section of left and right setting
32, path section constitutes bearing construction section.The outfan of transmission output shaft is provided with external splines, the inwall of sleeve be provided with for it is outer
The internal spline that spline is engaged, is connected between transmission output shaft and output flange by spline drived, transmission output shaft
Outfan is provided with the locking nut 9 for locking output flange, and by locking nut 9 fixation of output flange is realized.
Motor right end cap 211 is provided with bearing block 6, and bearing block includes the mounting cylinder 61 that axis extends in left-right direction, peace
The outer peripheral face of the left end of fitted tube 61 is provided with the bearing block for being connected with electric machine casing right end cap and is connected side 62, and bearing block connects
It is fixedly connected by connecting bolt 5 between edge fit 62 and motor right end cap 211.Rotation is provided between bearing construction section and bearing block
Bearing 4, rolling bearing 4 is threaded onto in mounting cylinder 61, and the right-hand member of mounting cylinder is provided with and is moved right for limiting rolling bearing outer ring
Retaining edge 63, formed between path section and big footpath section for limiting the first limited step that rolling bearing inner ring 41 moves right
Face 34, the left end in sleeve in rolling bearing outer ring is provided with outer annular groove, be provided with outer annular groove for rolling bearing outer ring
42 left end block coordinate with limit it is that rolling bearing outer ring is moved to the left, outer back-up ring 7.Set between footpath section and retaining edge 63 greatly
There is oil sealing 8, the sealing between bearing block and output flange is realized by oil sealing 8.
The length of drive assembly is the length sum of the length of change speed gear box, the length of motor and output flange, this reality
It is by the way that rolling bearing is realized on the bearing construction section of output flange, not with the new middle drive assembly length that shortens
Need shorten motor length, therefore drive assembly contraction in length and without redesign motor.And, drive assembly
Contraction in length so that drive assembly is adaptable to different vehicles.
In this utility model in the other embodiment of electric automobile, outer back-up ring can be with by other limits on bearing block
Bit architecture such as nut is kept off along replacement, is led to gear edge or nut and is limited rotary shaft with the left end block cooperation of rolling bearing outer ring 42
Bearing outer-ring is moved to the left, and other position limiting structures that retaining edge 63 also can be located on bearing block replace；First limiting stand terrace 34
Also can be replaced by other position limiting structures.
In this utility model in the other embodiment of electric automobile, bearing block is integrally machined with motor housing and forms.
In this utility model in the other embodiment of electric automobile, can be by flat between transmission output shaft and output flange
Key is connected, and also can be fixed together by welding between transmission output shaft and output flange.
In this utility model in the embodiment of drive assembly, drive in the structure of drive assembly and the embodiment of electric automobile
The structure of assembly is identical, and no longer here is repeated.
In this utility model in the embodiment of output flange, export in the structure of output flange and the embodiment of electric automobile
The structure of flange is identical, and no longer here is repeated.
Claims (9)
1. a kind of drive assembly, including variator and motor, motor includes motor housing and axis along left and right
The motor hollow axle that direction extends, the outfan of variator is connected with the speed change being coaxially threaded onto in motor hollow axle
Device output shaft, the outfan of transmission output shaft is provided with output flange, and output flange includes flange body, flange body and speed change
Device output shaft is fixedly connected, it is characterised in that：Flange body includes being sheathed on the bearing construction section of transmission output shaft periphery, drives
Dynamic electric machine casing is provided with bearing block, and between bearing construction section and bearing block rolling bearing is provided with.
2. drive assembly according to claim 1, it is characterised in that：Flange body includes what axis extended in left-right direction
Sleeve and the flange located at sleeve right-hand member, the outer peripheral face of sleeve is stairstepping, and sleeve includes the path section that left and right arranges and big
Footpath section, path section constitutes bearing construction section, is formed between path section and big footpath section and is moved right for limiting rolling bearing inner ring
The first limiting stand terrace.
3. drive assembly according to claim 2, it is characterised in that：Bearing block includes the peace that axis extends in left-right direction
Fitted tube, rolling bearing is threaded onto in mounting cylinder, and the outer peripheral face of the left end of mounting cylinder is provided with for being connected with electric machine casing
Bearing block connects side, and the right-hand member of mounting cylinder is provided with for limiting the retaining edge that rolling bearing outer ring moves right.
4. drive assembly according to claim 3, it is characterised in that：It is provided with oil sealing between footpath section and retaining edge greatly.
5. drive assembly according to claim 2, it is characterised in that：The outfan of transmission output shaft is provided with external splines,
The inwall of sleeve is provided with the internal spline for being engaged with external splines.
6. a kind of output flange, including the flange body for mutually fixing with transmission output shaft, it is characterised in that：Flange body
Including the bearing construction section installed for rolling bearing for being sheathed on transmission output shaft periphery.
7. output flange according to claim 6, it is characterised in that：Flange body includes what axis extended in left-right direction
Sleeve and the flange located at sleeve right-hand member, the outer peripheral face of sleeve is stairstepping, and sleeve includes the path section that left and right arranges and big
Footpath section, path section constitutes bearing construction section, is formed between path section and big footpath section and is moved right for limiting rolling bearing inner ring
The first limiting stand terrace.
8. output flange according to claim 6, it is characterised in that：The inwall of sleeve be provided with for transmission output shaft
The internal spline that is engaged of external splines.
9. a kind of electric automobile, it is characterised in that：Including the drive assembly as described in any one as described in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046192.0U CN206145008U (en) | 2016-09-09 | 2016-09-09 | Electric automobile and drive assembly and output flange thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046192.0U CN206145008U (en) | 2016-09-09 | 2016-09-09 | Electric automobile and drive assembly and output flange thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206145008U true CN206145008U (en) | 2017-05-03 |
Family
ID=58618345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621046192.0U Active CN206145008U (en) | 2016-09-09 | 2016-09-09 | Electric automobile and drive assembly and output flange thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206145008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445282A (en) * | 2019-07-12 | 2019-11-12 | 大连钰霖电机有限公司 | A kind of high power motor suspension mounting structure |
-
2016
- 2016-09-09 CN CN201621046192.0U patent/CN206145008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445282A (en) * | 2019-07-12 | 2019-11-12 | 大连钰霖电机有限公司 | A kind of high power motor suspension mounting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |