CN205736873U - Motor and back axle attachment structure - Google Patents
Motor and back axle attachment structure Download PDFInfo
- Publication number
- CN205736873U CN205736873U CN201620600677.3U CN201620600677U CN205736873U CN 205736873 U CN205736873 U CN 205736873U CN 201620600677 U CN201620600677 U CN 201620600677U CN 205736873 U CN205736873 U CN 205736873U
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- CN
- China
- Prior art keywords
- motor
- differential mechanism
- back axle
- end cap
- attachment structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of motor and back axle attachment structure, belong to electric automobile field, motor and rear axle assy including electric automobile, motor includes motor case and output shaft, motor is located on electric machine support, rear axle assy is located in back axle mounting bracket, rear axle assy includes two half-bridges and a differential mechanism, two half-bridges are connected by differential drive, described differential mechanism includes differential mechanism shell and power shaft, the output shaft end of motor is provided with spline housing, the end of the power shaft of differential mechanism is provided with the spline being assemblied in described spline housing, described electric machine support is bolted to connection with back axle mounting bracket, motor described in the utility model and back axle attachment structure, motor can quickly be mounted and dismounted, also the motor that greater room is provided and back axle attachment structure are arranged for car load chassis.
Description
Technical field
This utility model belongs to electric automobile field, particularly relates to a kind of motor and back axle attachment structure.
Background technology
Along with burning the wind of National Industrial level, and environmental problem is increasingly serious.The development of electric automobile is
Increasingly rapider, the core component as electric automobile drives motor.Produce and maintenance process in, the most quickly, letter
Just dismounting and assembling motor, become important step.The electrical installation major part of pure electric automobile is all integrally fixed at now
On vehicle frame, this mounting means takes time and effort, and needs bigger installing space.
Utility model content
The purpose of this utility model is to provide one and motor can quickly be mounted and dismounted, and also arranges for car load chassis
Motor and the back axle attachment structure of greater room are provided.
For achieving the above object, this utility model adopts the following technical scheme that motor and back axle attachment structure, including electronic
The motor of automobile and rear axle assy, motor includes motor case and output shaft, and motor is located on electric machine support, and rear axle assy is located at
In back axle mounting bracket, rear axle assy includes two half-bridges and a differential mechanism, and two half-bridges are connected by differential drive, institute
Stating differential mechanism and include differential mechanism shell and power shaft, differential mechanism is by driven by motor, and the output shaft end of motor is provided with spline housing, poor
The end of the power shaft of speed device is provided with the spline being assemblied in described spline housing, and described electric machine support passes through with back axle mounting bracket
Bolt is fixing to be connected, and is installed with end cap between motor case and differential mechanism shell, and end cap is provided with and stretches into hole, the power shaft of differential mechanism
The spline of end stretches in end cap from stretching into hole, and the spline housing that the output shaft of motor is arranged stretches into end cap from the lid mouth of end cap
In.
End cap is connected by the first screw is fixing with differential mechanism shell.
End cap is connected by the second screw is fixing with motor case.
Motor described in the utility model and back axle attachment structure, after having the advantages that employing motor is arranged on
Structure in bridge mounting bracket, thus eliminate original structure being arranged on vehicle frame by motor, and improve original differential
Power shaft on device, structure is compacter, adds the arrangement space of large chassis so that motor can quickly mount and dismount.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is enlarged drawing at the A in Fig. 1；
Description of reference numerals: half-bridge 1, rear axle assy 2, back axle mounting bracket 3, bolt 4, electric machine support 5, motor 6, first
Screw the 71, second screw 72, end cap 8, power shaft 9, differential mechanism shell 10, spline housing 11, motor housing 12, spline 13, stretch into
Hole 14.
Detailed description of the invention
Embodiment 1:
By the motor shown in Fig. 1-Fig. 2 and back axle attachment structure, including motor 6 and rear axle assy 2, the motor of electric automobile
6 and rear axle assy 2 be all located in electric automobile.
Motor 6 includes motor case and output shaft.
Motor 6 is located on electric machine support 5, and rear axle assy 2 is located in back axle mounting bracket 3, and rear axle assy 2 includes two and half
Bridge 1 (half-bridge 1 also referred to as semiaxis) and a differential mechanism, two half-bridges 1 are connected by differential drive.
Described differential mechanism includes the driven tooth that differential mechanism shell 10, power shaft 9, driving gear are meshed with driving gear
Wheel, two half-bridge 1 gears being separately positioned on two half-bridges 1 and be connected to the planetary gear set between two half-bridge 1 gears,
Described driving gear, driven gear, two half-bridge 1 gears and planetary gear set are all located in differential mechanism shell 10, actively
Gear is located on power shaft 9, and driven gear is located therein on a half-bridge 1, and planetary gear set includes being arranged on planetary gear
Planetary gear on axle, planetary gear is located between two half-bridge 1 gears and is meshed with two half-bridge 1 gears.The internal structure of differential mechanism
Make as prior art, therefore the most in detail not shown in narration and figure.
The output shaft end of motor 6 is provided with spline housing 11, and spline housing 11 stretches out outside motor case, the power shaft 9 of differential mechanism
End be provided with the spline 13 being assemblied in described spline housing 11, motor 6 output shaft is connected and is driven differential mechanism by spline 13
Power shaft 9, differential mechanism is driven by motor 6.
Described electric machine support 5 and back axle mounting bracket 3 is connected by bolt 4 is fixing, power shaft 9 end of differential mechanism and
On spline 13 all stretch out in differential mechanism shell 10, certainly, power shaft 9 end of the corresponding differential mechanism of differential mechanism shell 10 and on
Spline 13 be provided with extending port, power shaft 9 end of differential mechanism and spline 13 are from extending port stretches out differential mechanism shell 10.
Being installed with end cap 8 between motor case and differential mechanism shell 10, end cap 8 and differential mechanism shell 10 are by the first screw
71 fixing connections, end cap 8 is connected by the second screw 72 is fixing with motor case.
End cap 8 is provided with and stretches into hole 14, the axial one end of end cap 8 be provided with cover outside motor case end lid mouth, axially another
End stretches into hole 14 described in being provided with, and end cap 8 is axial penetrating setting, on power shaft 9 end of differential mechanism and power shaft 9 end
Spline 13 stretches in end cap 8 from stretching into hole 14, and the spline housing 11 that the output shaft of motor 6 is arranged is from the lid mouth inserting end of end cap 8
In lid 8.
Motor described in the utility model and back axle attachment structure, use after being arranged on by the electric machine support 5 driving motor 6
Structure in bridge mounting bracket 3, this structure designs compared with conventional motors 6 mounting means while performance is the poorest more steps up
Gathering, different from conventional flange connecting mode, this structure uses spline 13 to couple between spline housing 11, and motor 6 can quickly be pacified
Assembly and disassembly, also arrange for car load chassis and provide the biggest space.
Claims (3)
1. motor and back axle attachment structure, including motor (6) and the rear axle assy (2) of electric automobile, motor (6) includes motor machine
Shell and output shaft, motor (6) is located on electric machine support (5), and rear axle assy (2) is located in back axle mounting bracket (3), rear axle assy
(2) including that two half-bridges (1) and a differential mechanism, two half-bridges (1) are connected by differential drive, it is poor that described differential mechanism includes
Speed device shell (10) and power shaft (9), differential mechanism is driven by motor (6), it is characterised in that: the output shaft end of motor (6) sets
Having spline housing (11), the end of the power shaft (9) of differential mechanism is provided with the spline (13) being assemblied in described spline housing (11), described
Electric machine support (5) is connected, between motor case and differential mechanism shell (10) by bolt (4) is fixing with back axle mounting bracket (3)
Being installed with end cap (8), end cap (8) is provided with and stretches into hole (14), and the spline (13) of power shaft (9) end of differential mechanism is from stretching into hole
(14) stretching in end cap (8), the spline housing (11) that the output shaft of motor (6) is arranged stretches into end cap (8) from the lid mouth of end cap (8)
In.
2. motor as claimed in claim 1 and back axle attachment structure, it is characterised in that: end cap (8) and differential mechanism shell (10)
Connect by the first screw (71) is fixing.
3. motor as claimed in claim 1 and back axle attachment structure, it is characterised in that: end cap (8) and motor case are by the
Two screws (72) are fixing to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620600677.3U CN205736873U (en) | 2016-06-20 | 2016-06-20 | Motor and back axle attachment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620600677.3U CN205736873U (en) | 2016-06-20 | 2016-06-20 | Motor and back axle attachment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205736873U true CN205736873U (en) | 2016-11-30 |
Family
ID=57386517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620600677.3U Active CN205736873U (en) | 2016-06-20 | 2016-06-20 | Motor and back axle attachment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205736873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641267A (en) * | 2019-10-31 | 2020-01-03 | 华晨鑫源重庆汽车有限公司 | Anti-abrasion rear axle assembly of driving motor |
-
2016
- 2016-06-20 CN CN201620600677.3U patent/CN205736873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641267A (en) * | 2019-10-31 | 2020-01-03 | 华晨鑫源重庆汽车有限公司 | Anti-abrasion rear axle assembly of driving motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |