CN210830364U - Compact differential assembly for electric drive axle - Google Patents
Compact differential assembly for electric drive axle Download PDFInfo
- Publication number
- CN210830364U CN210830364U CN201921634406.XU CN201921634406U CN210830364U CN 210830364 U CN210830364 U CN 210830364U CN 201921634406 U CN201921634406 U CN 201921634406U CN 210830364 U CN210830364 U CN 210830364U
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- gear
- differential
- shaft
- axle
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Abstract
The utility model relates to a compact differential assembly for an electric drive axle, which mainly comprises a differential shell, a cylindrical gear, a linear shaft, a half axle gear, a planetary gear, a differential gear gasket and a differential bearing; the linear shafts are axially and circumferentially positioned through the half axle gears, the cylindrical gears and the differential shell, and the half axle gears are axially and circumferentially positioned through the four linear shafts and the differential shell; the power of the cylindrical gear is transmitted to a straight shaft through a differential shell, the straight shaft distributes the power to the left half shaft gear and the right half shaft gear through the planetary gear, and the left half shaft gear and the right half shaft gear are transmitted to left wheels and right wheels through a left half shaft and a right half shaft respectively to drive the vehicle to run. The compact differential assembly for the electric drive axle has compact structure, the shaft neck of the half axle gear is changed from a large end face side to a small end face side, and the effective matching length of the spline is ensured; the space saved by the straight shaft structure can be fully utilized by the half shaft gear with the new structure.
Description
Technical Field
The utility model relates to a bevel gear formula differential mechanism assembly, concretely relates to compact differential mechanism assembly for electric drive axle.
Background
With the development of new energy vehicles, the advantages of highly integrated electric drive bridges are more and more obvious, and the differential mechanism with the traditional structure cannot meet the requirements of partial electric drive bridges due to the limitation of axial arrangement space.
Disclosure of Invention
An object of the utility model is to the not enough of above-mentioned prior art, provide a compact differential mechanism assembly for electric drive axle that axial dimension is compacter, the axle assembly of being convenient for to drive electrically arranges, improves and drives axle assembly compactedness and lightweight electrically.
The utility model aims at realizing through the following technical scheme:
a compact differential assembly for an electric drive axle mainly comprises a differential shell, cylindrical gears 2, 4 straight shafts 3, a side gear, a planetary gear 5, a differential right bearing 7 and a differential left bearing 14.
The straight shaft 3 is axially and circumferentially positioned through the half axle gear, the cylindrical gear 2 and the differential case, and the half axle gear is axially and circumferentially positioned through the four straight shafts 3 and the differential case;
a half axle gear gasket and a planetary gear gasket 4 are respectively arranged between the half axle gear and the differential case and between the planetary gear 5 and the differential case, and the differential assembly is assembled in the speed reducer case through a differential left bearing 14 and a differential right bearing 7;
the differential shell is composed of a differential left shell 1 and a differential right shell 6, the half axle gear is composed of a right half axle gear 10 and a left half axle gear 12, the axle neck of the differential half axle gear is arranged at the small end side, the differential left shell 1 is connected with the cylindrical gear 2, and the planetary gear 5 rotates around the straight shaft 3 and is meshed with the left half axle gear 12 and the right half axle gear 10.
The power of the cylindrical gear 2 is transmitted to the straight shaft 3 through the differential left shell 1 and the differential right shell 6, the straight shaft 3 distributes the power to the left half-axle gear 12 and the right half-axle gear 10 through the planetary gear 5, and the left half-axle gear 12 and the right half-axle gear 10 are transmitted to left and right wheels through the left half-axle and the right half-axle respectively to drive the vehicle to run.
Further, the side gear spacer is composed of a right side gear spacer 9 and a left side gear spacer 13.
Further, the differential left shell 1 and the cylindrical gear 2 are connected through a bolt II 11.
Further, differential left side shell 1 and differential right side shell 6 bolt I8 are connected to fix the word axle 3 circumference.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the compact differential assembly for the electric drive axle has compact structure, the shaft neck of the half axle gear is changed from a large end face side to a small end face side, and the effective matching length of the spline is ensured; the space saved by the straight shaft structure can be fully utilized by the half shaft gear with the new structure.
Drawings
FIG. 1 is a schematic structural view of a compact differential assembly for an electric drive axle according to the present invention;
FIGS. 2a and 2b are schematic side gear views;
fig. 3 is a schematic in-line drawing.
In the drawing, 1, a differential left shell 2, a cylindrical gear 3, a straight shaft 4, a planetary gear gasket 5, a planetary gear 6, a differential right shell 7, a differential right bearing 8, a bolt I9, a right half shaft gear gasket 10, a right half shaft gear 11, a bolt II 12, a left half shaft gear 13, a left half shaft gear gasket 14 and a differential left bearing.
Detailed Description
The invention will be further described with reference to the following examples:
as shown in fig. 1, the utility model discloses compact differential assembly for electric drive axle comprises differential casing, cylindrical gear 2, 4 word axles 3, side gear, planetary gear gasket 4, planetary gear 5, side gear gasket, differential right bearing 7, bolt I8, bolt 11 and differential left bearing 14. The differential shell consists of a differential left shell 1 and a differential right shell 6; the half shaft gear consists of a right half shaft gear 10 and a left half shaft gear 12; the side gear spacer is composed of a right side gear spacer 9 and a left side gear spacer 13.
The axle neck of the half axle gear is changed from a large end face side to a small end face side, the effective matching length of the splines is ensured, the cross shafts are changed into four straight shafts 3, the space saved by the straight shaft 3 structure can be fully utilized by the half axle gear with a new structure, the straight shafts 3 are axially and circumferentially positioned through the half axle gear, the cylindrical gear 2 and the differential case, and the half axle gear is axially and circumferentially positioned through the four straight shafts and the differential case.
The differential left shell 1 is connected with the cylindrical gear 2 through a bolt II 11, the differential left shell 1 is connected with the differential right shell 6 through a bolt I8, the planetary gear 5 rotates around the horizontal shaft 3 and is meshed with the left half-axle gear 12 and the right half-axle gear 10, a half-axle gear gasket and a planetary gear gasket 4 are respectively arranged between the half-axle gear and the differential shell as well as between the planetary gear 5 and the differential shell, and the differential assembly is assembled into the speed reducer shell through a differential left bearing 14 and a differential right bearing 7.
The differential left shell 1 is connected with the differential right shell 6 through a bolt I8, the straight shaft 3 is circumferentially fixed, power of the cylindrical gear 2 is transmitted to the straight shaft 3 through the differential left shell 1 and the differential right shell 6, the straight shaft 3 distributes the power to the left half-axle gear 12 and the right half-axle gear 10 through the planetary gear 5, and the left half-axle gear 12 and the right half-axle gear 10 are transmitted to left and right wheels through a left half axle and a right half axle respectively to drive a vehicle to run.
Claims (4)
1. A compact differential assembly for an electric drive axle, characterized by: the differential mainly comprises a differential shell, a cylindrical gear (2), a straight shaft (3), a half shaft gear, a planetary gear (5), a differential right bearing (7) and a differential left bearing (14), wherein the cylindrical gear, the straight shaft, the half shaft gear, the planetary gear (5), the differential right bearing and the differential left bearing are arranged in the differential shell; the straight shaft (3) is axially positioned through the half axle gear and the cylindrical gear (2) and circumferentially positioned by the differential case, and the half axle gear is axially positioned through the four straight shafts (3) and circumferentially positioned by the differential case;
a half axle gear gasket and a planet gear gasket (4) are respectively arranged between the half axle gear and the differential case and between the planet gear (5) and the differential case, and the differential assembly is assembled in the differential case through a differential left bearing (14) and a differential right bearing (7); the differential shell consists of a differential left shell (1) and a differential right shell (6), the half axle gear consists of a right half axle gear (10) and a left half axle gear (12), and the differential half axle gear shaft neck is arranged at the small end side; the differential left shell (1) is connected with the cylindrical gear (2), and the planetary gear (5) rotates around the straight shaft (3) and is meshed with the left half axle gear (12) and the right half axle gear (10); the power of the cylindrical gear (2) is transmitted to the straight shaft (3) through the differential left shell (1) and the differential right shell (6), the straight shaft (3) distributes the power to the left half shaft gear (12) and the right half shaft gear (10) through the planetary gear (5) in an average mode, and the left half shaft gear (12) and the right half shaft gear (10) are transmitted to left and right wheels through the left half shaft and the right half shaft respectively to drive the vehicle to run.
2. The compact differential assembly for an electric drive axle according to claim 1, wherein: the half axle gear gasket consists of a right half axle gear gasket (9) and a left half axle gear gasket (13).
3. The compact differential assembly for an electric drive axle according to claim 1, wherein: and the differential left shell (1) is connected with the cylindrical gear (2) through a bolt II (11).
4. The compact differential assembly for an electric drive axle according to claim 1, wherein: differential left side shell (1) is connected with differential right side shell (6) bolt I (8) to with a word axle (3) circumference fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921634406.XU CN210830364U (en) | 2019-09-29 | 2019-09-29 | Compact differential assembly for electric drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921634406.XU CN210830364U (en) | 2019-09-29 | 2019-09-29 | Compact differential assembly for electric drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830364U true CN210830364U (en) | 2020-06-23 |
Family
ID=71278750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921634406.XU Active CN210830364U (en) | 2019-09-29 | 2019-09-29 | Compact differential assembly for electric drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830364U (en) |
-
2019
- 2019-09-29 CN CN201921634406.XU patent/CN210830364U/en active Active
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