CN207737108U - A kind of one input shaft type power assembly of electric automobile - Google Patents
A kind of one input shaft type power assembly of electric automobile Download PDFInfo
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- CN207737108U CN207737108U CN201820120395.2U CN201820120395U CN207737108U CN 207737108 U CN207737108 U CN 207737108U CN 201820120395 U CN201820120395 U CN 201820120395U CN 207737108 U CN207737108 U CN 207737108U
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- bearing
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- input shaft
- power assembly
- electric automobile
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Abstract
The utility model provides a kind of one input shaft type power assembly of electric automobile, including shaft, retarder and motor, retarder includes level-one driven gear, jackshaft and differential assembly, one end of shaft and the rotor of motor connect, the other end of shaft is equipped with gear structure, and shaft and gear structure are an integral molding structure；Gear structure engages connection with level-one driven gear, and level-one driven gear is connect with intermediate axis connection, jackshaft with differential assembly.One input shaft type power assembly of electric automobile provided by the utility model has many advantages, such as that motor output shaft and reducer input shaft Joint failure can be overcome, reduces amount of parts promoting efficiency of assembling, improving power assembly transmission efficiency and reducing energy consumption.
Description
Technical field
The utility model is related to electric vehicle manufacturing fields, and in particular to a kind of one input shaft type electric powered motor is total
At.
Background technology
In the prior art, power assembly of electric automobile be typically by the power of motor unit by motor output shaft, subtract
Fast device input shaft, intermediate gear shaft, differential mechanism and differential side gear are exported, motor output shaft and reducer input shaft
It is designed using fission.Under such mode, motor output shaft is needed through the modes such as spline, flange or bolt and reducer input shaft
Connection, transmits power to retarder, the connection Chang Yin between motor output shaft and reducer input shaft lacks lubrication or design
Easily there is Joint failure when by shock loading in limited space；Meanwhile motor output shaft and reducer input shaft also respectively need two
A bearing is supported, and power assembly parts are more, and assembly process is more, difficulty is big.
Therefore, it is necessary to one kind capable of overcoming motor output shaft and reducer input shaft Joint failure, reduce amount of parts
With promoted efficiency of assembling, improve power assembly transmission efficiency and reduce energy consumption one input shaft type power assembly of electric automobile with
Solve problems of the prior art.
Utility model content
The utility model aim is to provide a kind of one input shaft type power assembly of electric automobile, and specific technical solution is such as
Under：
A kind of one input shaft type power assembly of electric automobile, including shaft, retarder and motor, the retarder packet
Level-one driven gear, jackshaft and differential assembly are included, one end of the shaft is connect with the rotor of the motor, institute
The other end for stating shaft is equipped with gear structure, and the shaft and gear structure are an integral molding structure；The gear structure
Engage connection, the level-one driven gear and the intermediate axis connection with the level-one driven gear, the jackshaft with it is described
Differential assembly connects.
Above technical scheme is preferred, and the shaft is arranged with first bearing close to one end of the motor, and described one
Body axis is arranged with second bearing close to one end of the retarder, the shaft between the first bearing and second bearing
On be also arranged with 3rd bearing.
Above technical scheme is preferred, and the second bearing and 3rd bearing are separately positioned on the two of the gear structure
Side.
Above technical scheme is preferred, and the first bearing, second bearing and 3rd bearing are ball bearing.
Above technical scheme is preferred, and the jackshaft engages connection with differential assembly equipped with gear.
Above technical scheme is preferred, and the jackshaft both ends are respectively arranged there are one midship shaft bearing.
Above technical scheme is preferred, and the retarder and motor are arranged in a shell.
Above technical scheme is preferred, and the retarder is arranged in reducing gearbox body, and the motor is arranged in motor casing
In vivo, the reducer shell and electric machine casing are bolted.
Using the technical solution of the utility model, have the advantages that：
(1) the one input shaft type power assembly of electric automobile of the utility model, including shaft, retarder and motor,
Retarder includes level-one driven gear, jackshaft and differential assembly, and one end of shaft and the rotor of motor connect, and one
The other end of body axis is equipped with gear structure, and shaft and gear structure are an integral molding structure；Gear structure and level-one driven tooth
Wheel engagement connection, level-one driven gear are connect with intermediate axis connection, jackshaft with differential assembly.The utility model is by existing electricity
The seperated design of motor output shaft and reducer input shaft, which improves, in electrical automobile power assembly is integrated input shaft formula structure, avoids
Connection Chang Yin between motor output shaft and reducer input shaft lacks lubrication or design space limitation, by shock loading
When easily there is the problem of Joint failure, improve the security performance of power assembly, eradicated Joint failure risk, reduced power
The driving parts of assembly improve transmission efficiency, reduce energy consumption.
(2) shaft in the utility model is arranged with first bearing close to one end of motor, and shaft is close to retarder
One end be arranged with second bearing, be also arranged with 3rd bearing on the shaft between first bearing and second bearing.Second axis
Hold the both sides that the gear structure is separately positioned on 3rd bearing.Respectively one bearing of setting plays support balance for shaft both sides
A bearing, the effect for structure of playing stably is arranged between the bearing of shaft both ends setting in effect again.First bearing,
Two bearings and 3rd bearing are ball bearing, simple in structure and be easily achieved.
(3) jackshaft in the utility model engages connection with differential assembly equipped with gear, and jackshaft both ends respectively cover
If there are one midship shaft bearings, differential mechanism is output power to by jackshaft.Retarder and motor both may be provided at a shell
In vivo, rigging error is effectively avoided, ensures the concentricity of axis and bearing, has the advantages that optimize structure, save space；Also it can adopt
Take the mode that retarder is arranged in reducing gearbox body and motor is arranged in electric machine casing, reducer shell and electric machine casing logical
It crosses and is bolted, electric machine casing and reducer shell are separately positioned, easy to process.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is the structural schematic diagram that shaft type power assembly of electric automobile is integrally inputted in the utility model embodiment 1；
Wherein, 1, shaft, 1.1, gear structure, 2, retarder, 2.1, differential assembly, 2.2, jackshaft, 2.3, one
Grade driven gear, 2.4, reducer shell, 3, motor, 3.1, electric machine casing.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1：
A kind of one input shaft type power assembly of electric automobile, refers to Fig. 1, including shaft 1, retarder 2 and motor 3,
The retarder 2 includes level-one driven gear 2.3, jackshaft 2.2 and differential assembly 2.1, one end of the shaft 1 and institute
The rotor connection of motor 3 is stated, the other end of the shaft 1 is equipped with gear structure 1.1, the shaft 1 and gear knot
Structure 1.1 is an integral molding structure, and the gear structure 1.1 engages connection, the level-one driven gear with level-one driven gear 2.3
2.3 connect with the jackshaft 2.2, and the jackshaft 2.2 is connect with the differential assembly 2.1.
The shaft 1 is arranged with first bearing close to one end of the motor 3, and the shaft 1 is close to the deceleration
One end of device 2 is arranged with second bearing, and third is also arranged on the shaft 1 between the first bearing and second bearing
Bearing.The second bearing and 3rd bearing are separately positioned on the both sides of the gear structure 1.1.The first bearing, second
Bearing and 3rd bearing are ball bearing.
The jackshaft 2.2 engages connection equipped with gear with differential assembly 2.1.2.2 both ends of the jackshaft respectively cover
If there are one midship shaft bearings.
In the present embodiment, the retarder 2 is arranged in reducer shell 2.4, and the motor 3 is arranged in electric machine casing
In 3.1, the reducer shell 2.4 and electric machine casing 3.1 are bolted.It should be noted that the retarder 2 and institute
Motor 3 is stated to may also be arranged in the same shell.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of one input shaft type power assembly of electric automobile, which is characterized in that including shaft (1), retarder (2) and electricity
Machine (3), the retarder (2) include level-one driven gear (2.3), jackshaft (2.2) and differential assembly (2.1), and described one
One end of body axis (1) is connect with the rotor of the motor (3), and the other end of the shaft (1) is equipped with gear structure
(1.1), the shaft (1) and gear structure (1.1) are an integral molding structure；The gear structure (1.1) and the level-one
Driven gear (2.3) engagement connection, the level-one driven gear (2.3) connect with the jackshaft (2.2), the jackshaft
(2.2) it is connect with the differential assembly (2.1).
2. one input shaft type power assembly of electric automobile according to claim 1, which is characterized in that the shaft
(1) first bearing, an end cap of the shaft (1) close to the retarder (2) are arranged with close to one end of the motor (3)
Equipped with second bearing, 3rd bearing is also arranged on the shaft (1) between the first bearing and second bearing.
3. one input shaft type power assembly of electric automobile according to claim 2, which is characterized in that the second bearing
The both sides of the gear structure (1.1) are separately positioned on 3rd bearing.
4. one input shaft type power assembly of electric automobile according to claim 3, which is characterized in that the first axle
It holds, second bearing and 3rd bearing are ball bearing.
5. one input shaft type power assembly of electric automobile according to claim 1, which is characterized in that the jackshaft
(2.2) equipped with gear connection is engaged with differential assembly (2.1).
6. one input shaft type power assembly of electric automobile according to claim 1, which is characterized in that the jackshaft
(2.2) both ends are respectively arranged there are one midship shaft bearing.
7. one input shaft type power assembly of electric automobile according to claim 1, which is characterized in that the retarder
(2) it is arranged in a shell with motor (3).
8. one input shaft type power assembly of electric automobile according to claim 1, which is characterized in that the retarder
(2) setting is in reducer shell (2.4), and motor (3) setting is in electric machine casing (3.1), the reducer shell
(2.4) it is bolted with electric machine casing (3.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120395.2U CN207737108U (en) | 2018-01-24 | 2018-01-24 | A kind of one input shaft type power assembly of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120395.2U CN207737108U (en) | 2018-01-24 | 2018-01-24 | A kind of one input shaft type power assembly of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207737108U true CN207737108U (en) | 2018-08-17 |
Family
ID=63123810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820120395.2U Active CN207737108U (en) | 2018-01-24 | 2018-01-24 | A kind of one input shaft type power assembly of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207737108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193044A (en) * | 2020-09-30 | 2021-01-08 | 西门子电动汽车动力总成***(上海)有限公司 | Electric drive assembly system and vehicle |
-
2018
- 2018-01-24 CN CN201820120395.2U patent/CN207737108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193044A (en) * | 2020-09-30 | 2021-01-08 | 西门子电动汽车动力总成***(上海)有限公司 | Electric drive assembly system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191021 Address after: 412000 Ming day road, Tianyuan District, Zhuzhou, Hunan Province, No. 10 Patentee after: Zhuzhou Gearings Co., Ltd. Address before: 412000, Zhuzhou, Hunan province Tianyuan District Pearl River North Road chestnut rain Industrial Park Patentee before: Zhuzhou Accurate Drive Train Co., Ltd. |