CN208646589U - With the matched electric automobile hub power drive system of independent suspension - Google Patents
With the matched electric automobile hub power drive system of independent suspension Download PDFInfo
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- CN208646589U CN208646589U CN201820547948.2U CN201820547948U CN208646589U CN 208646589 U CN208646589 U CN 208646589U CN 201820547948 U CN201820547948 U CN 201820547948U CN 208646589 U CN208646589 U CN 208646589U
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Abstract
The utility model discloses and the matched electric automobile hub power drive system of independent suspension, it is related to automobile technical field, primary structure includes hub motor, the shell of hub motor is fixedly connected with wheel hub, rotor is fixedly connected with the casing, motor shaft is fixedly connected in an interference fit with knuckle, and wheel hub is rotated synchronously with hub motor when rotating hub motor；Hub motor and braking system are connected by knuckle with macpherson suspension, stable connection, reliable, and connection structure is simple；Lateral force suffered by wheel largely passes through knuckle and is born by suspension lower swing arm, and rest part is born by suspension damper, greatly reduces sliding friction and abrasion.
Description
Technical field
The utility model relates to automobile technical fields, drive more particularly to the matched electric automobile hub electricity of independent suspension
Dynamic system.
Background technique
The energy to become increasingly conspicuous, environmental problem can be effectively relieved in new-energy automobile, wherein the electronic vapour of In-wheel motor driving
Vehicle, due to its transmission chain is short, high-efficient, space layout flexibly, be easily achieved chassis modular and active control the advantages that, become
One of the main direction of development of new-energy automobile, is particularly suitable for city operating condition, thus miniaturization electric car it is deep by
One of consumers and the important development direction of electric car.
The core component of hub motor drive system is hub motor, and power, transmission, braking system can be integrated into wheel by it
In hub, mechanical clutch, speed changer, differential mechanism, gearshift of orthodox car etc. is omitted, enormously simplifies the machine of vehicle
Tool structure, and transmission efficiency is improved, feasibility is provided for completely new configuration chassis design and diversified drive mode.Automobile is outstanding
Frame is divided into stand alone type and monoblock type, and wherein independent suspension has many advantages, such as that comfort is higher, reduces unsprung mass, has obtained extensively
Market application, the especially deflecting roller of car generallyd use independent suspension.
And in the prior art, the connection type structure of suspension and power drive system is complex, to influence the steady of connection
Qualitative and reliability.
Summary of the invention
In order to solve the above technical problems, the utility model provides and the matched electric automobile hub electric drive trains of independent suspension
System to realize the stable connection, firm of suspension and power drive system, and enhances damping effect.
To achieve the above object, the utility model provides following scheme:
The utility model provides and the matched electric automobile hub power drive system of independent suspension, including hub motor；Institute
It states hub motor to be fixedly and coaxially connected with wheel hub, the hub motor is connected with the low side of suspension damper, and the suspension subtracts
Shake the high-end connection independent suspension of device；The hub motor includes electric machine casing, rotor, stator, rotation change rotor, motor shaft and determines
Submounts, the stator are an integral structure with stator support, and the stator support is fixedly connected with the motor shaft, the electricity
First bearing is provided between arbor and the electric machine casing, the rotor is fixedly installed on the electric machine casing inner wall, institute
It states rotation change rotor to be set between the rotor and the stator, the electric machine casing is fixedly connected with the wheel hub, the electricity
Arbor is fixedly connected with knuckle.
Optionally, the electric machine casing includes main body and end cap, and the end cap is fixedly connected with the main body, and described first
Bearing is set between the motor shaft and the main body, is provided with second bearing between the end cap and the motor shaft.
Optionally, the suspension damper includes shock structure, helical spring, U-shaped suspension damper bracket, damper connection
Plate, the first connecting plate and the second connecting plate；The damper connecting plate is used for connection body, and the shock structure is set to described subtract
It shaking between device connecting plate and the U-shaped suspension damper bracket, the helical spring is sheathed on the shock structure, and described first
Connecting plate and second connecting plate are all set in the U-shaped suspension damper bracket lower side；First connecting plate and
Second connecting plate is connected with the knuckle, and the knuckle is connected with the suspension lower swing arm, under the suspension
Swing arm is connected with subframe.
It optionally, further include braking system, the braking system includes brake disc, the brake disc and the electric machine casing
It is fixedly connected.
Optionally, first connecting plate and second connecting plate are arranged in parallel.
Optionally, first connecting plate and second connecting plate pass through the first bolt and connect with the knuckle.
Optionally, the braking system further includes caliper, and the caliper and the hub motor pass through the second bolt
Connection.
Optionally, the wheel hub is fixedly connected with the hub motor by multiple third bolts.
The utility model achieves following technical effect compared with the existing technology:
In the utility model includes wheel hub with the matched electric automobile hub power drive system primary structure of independent suspension
The shell of motor, hub motor is fixedly connected with wheel hub, and rotor is fixedly connected with the casing, and motor shaft and knuckle are to be interference fitted
Mode be fixedly connected, wheel hub is rotated synchronously with hub motor when rotating hub motor；Hub motor and braking system pass through
Knuckle is connected with macpherson suspension, stable connection, reliable, and connection structure is simple；Lateral force suffered by wheel is big
Part born by knuckle by suspension lower swing arm, rest part is born by suspension damper, greatly reduce sliding friction with
Abrasion.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the STRUCTURE DECOMPOSITION signal of the utility model and the matched electric automobile hub power drive system of independent suspension
Figure；
Fig. 2 is the structural schematic diagram of the utility model and the matched electric automobile hub power drive system of independent suspension；
Fig. 3 is the structure section view signal of the utility model and the matched electric automobile hub power drive system of independent suspension
Figure；
Fig. 4 is the mounting structure signal of the utility model and the matched electric automobile hub power drive system of independent suspension
Figure.
Description of symbols: 1, wheel hub；2, hub motor；2-1, main body；2-2, end cap；2-3, motor shaft；2-4, second
Bearing；2-5, rotor；2-6, stator support；2-7, first bearing；2-8, rotation become rotor；2-9, stator；3, braking system；3-1,
Brake disc；3-2, caliper；4, knuckle；5, suspension damper；5-1, damper connecting plate；5-2, shock structure；5-3, spiral
Spring；5-4, U-shaped suspension damper bracket；5-5, the first connecting plate；5-6, the second connecting plate；6, suspension lower swing arm；7, secondary vehicle
Frame.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one:
As shown in Figure 1, the present embodiment provides with the matched electric automobile hub power drive system of independent suspension, including wheel hub
Motor 2；The hub motor 2 is fixedly and coaxially connected with wheel hub 1, and the hub motor 2 is connected with the low side of suspension damper 5
It connects, the high-end connection independent suspension of the suspension damper 5；The hub motor 2 includes electric machine casing, rotor 2-5, stator 2-
9, rotation becomes rotor 2-8, motor shaft 2-3 and stator support 2-6, and the stator 2-9 and stator support 2-6 is an integral structure, institute
It states stator support 2-6 to be fixedly connected with the motor shaft 2-3, is provided between the motor shaft 2-3 and the electric machine casing
One bearing 2-7, the rotor 2-5 are fixedly installed on the electric machine casing inner wall, and the rotation becomes rotor 2-8 and is set to described turn
Between sub- 2-5 and the stator 2-9, the electric machine casing is fixedly connected with the wheel hub 1, the motor shaft 2-3 and knuckle 4
It is fixedly connected.
Motor shaft 2-3 and stator 2-9 are fixed, and rotor 2-5 drives electric machine casing rotation, electric machine casing band runner hub 1
Rotation, to complete the driving to vehicle；Motor shaft 2-3 is fixedly connected with knuckle 4, knuckle 4 again with suspension lower swing arm 6 and
Suspension damper 5 connects, then complete by connection and suspension lower swing arm 6 and the connection of subframe 7 of the suspension damper 5 with car body
At the connection of knuckle 4 and car body, thus complete the connection of wheel hub 1 Yu car body, i.e. the connection of wheel and car body.This connection side
It is formula stable connection, firm, and preferable cushioning effect can be played.The lower end of knuckle 4 passes through ball stud and suspension lower swing arm 6
It is hinged, knuckle 4 can be around the axis beat of ball stud.
In this specific embodiment, as illustrated in fig. 1 and 2, the electric machine casing includes main body 2-1 and end cap 2-2, the end
Lid 2-2 is fixedly connected with the main body 2-1, the first bearing 2-7 be set to the motor shaft 2-3 and the main body 2-1 it
Between, second bearing 2-4 is provided between the end cap 2-2 and the motor shaft 2-3.
The suspension damper 5 includes shock structure 5-2, helical spring 5-3, U-shaped suspension damper bracket 5-4, damper
Connecting plate 5-1, the first connecting plate 5-5 and the second connecting plate 5-6；The damper connecting plate 5-1 is used for connection body, described to subtract
Shake column 5-2 is set between the damper connecting plate 5-1 and the U-shaped suspension damper bracket 5-4, the helical spring 5-
3 are sheathed on the shock structure 5-2, and the first connecting plate 5-5 and the second connecting plate 5-6 are all set in described U-shaped outstanding
Frame shock absorber support 5-4 lower side；The first connecting plate 5-5 and the second connecting plate 5-6 are arranged in parallel, and described first
Connecting plate 5-5 and the second connecting plate 5-6 passes through the first bolt and connect with the knuckle 4, the first connecting plate 5-5
It is connected with the second connecting plate 5-6 with the knuckle 4, the knuckle 4 is connected with the suspension lower swing arm 6, institute
Suspension lower swing arm 6 is stated to be connected with subframe 7.A positioning spiral shell is additionally provided between damper connecting plate 5-1 and shock structure 5-2
Mother, for adjusting the relative position between damper connecting plate 5-1 and shock structure 5-2 to adjust the deflection of helical spring 5-3,
To adjust damping effect.
In the present embodiment further includes braking system 3, institute with the matched electric automobile hub power drive system of independent suspension
Stating braking system 3 includes brake disc 3-1, and the brake disc 3-1 is fixedly connected with the electric machine casing.
The braking system 3 further includes caliper 3-2, and the caliper 3-2 and the hub motor 2 pass through the second bolt
Connection, due to there is no drive mechanism, mechanical efficiency is high, and failure rate is low, high reliablity.
The wheel hub 1 is fixedly connected with the hub motor 2 by multiple third bolts.Between hub motor 2 and wheel hub 1
It is fixedly connected by third bolt, convenient for removing and installing for wheel hub 1, convenient for maintenance when vehicle use to tire and wheel hub 1
And it more changes jobs.
Hub motor 2 in the present embodiment is with structure is simple, axial dimension is small, direct torque range is wide, response speed
The advantages that fastly and being not necessarily to speed reducer, can significantly improve efficiency, improve energy utilization rate, and then increase the course continuation mileage of vehicle；
And hub motor 2 is simple and compact for structure, not complicated transmission device, mechanical efficiency is high, and failure rate is low, high reliablity.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of and matched electric automobile hub power drive system of independent suspension, which is characterized in that including hub motor；It is described
Hub motor is fixedly and coaxially connected with wheel hub, and the hub motor is connected with the low side of suspension damper, the suspension damping
The high-end connection independent suspension of device；The hub motor includes electric machine casing, rotor, stator, rotation change rotor, motor shaft and stator
Bracket, the stator are an integral structure with stator support, and the stator support is fixedly connected with the motor shaft, the motor
First bearing is provided between axis and the electric machine casing, the rotor is fixedly installed on the electric machine casing inner wall, described
Rotation becomes rotor and is set between the rotor and the stator, and the electric machine casing is fixedly connected with the wheel hub, the motor
Axis is fixedly connected with knuckle.
2. the according to claim 1 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
Stating electric machine casing includes main body and end cap, and the end cap is fixedly connected with the main body, and the first bearing is set to the electricity
Between arbor and the main body, second bearing is provided between the end cap and the motor shaft.
3. the according to claim 1 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
Stating suspension damper includes shock structure, helical spring, U-shaped suspension damper bracket, damper connecting plate, the first connecting plate and
Two connecting plates；The damper connecting plate is used for connection body, and the shock structure is set to the damper connecting plate and the U
Between type suspension damper bracket, the helical spring is sheathed on the shock structure, first connecting plate and described second
Connecting plate is all set in the U-shaped suspension damper bracket lower side；First connecting plate and second connecting plate with
The knuckle is connected, and the knuckle is connected with suspension lower swing arm, and the suspension lower swing arm is connected with subframe.
4. the according to claim 3 and matched electric automobile hub power drive system of independent suspension, which is characterized in that also
Including braking system, the braking system includes brake disc, and the brake disc is fixedly connected with the electric machine casing.
5. the according to claim 3 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
It states the first connecting plate and second connecting plate is arranged in parallel.
6. the according to claim 3 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
It states the first connecting plate and second connecting plate passes through the first bolt and connect with the knuckle.
7. the according to claim 4 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
Stating braking system further includes caliper, and the caliper is bolted with the hub motor by second.
8. the according to claim 1 and matched electric automobile hub power drive system of independent suspension, which is characterized in that institute
It states wheel hub and is fixedly connected with the hub motor by multiple third bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547948.2U CN208646589U (en) | 2018-04-18 | 2018-04-18 | With the matched electric automobile hub power drive system of independent suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547948.2U CN208646589U (en) | 2018-04-18 | 2018-04-18 | With the matched electric automobile hub power drive system of independent suspension |
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| Publication Number | Publication Date |
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| CN208646589U true CN208646589U (en) | 2019-03-26 |
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| CN201820547948.2U Active CN208646589U (en) | 2018-04-18 | 2018-04-18 | With the matched electric automobile hub power drive system of independent suspension |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749554A (en) * | 2018-04-18 | 2018-11-06 | 北京理工大学 | With the matched electric automobile hub power drive system of independent suspension |
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2018
- 2018-04-18 CN CN201820547948.2U patent/CN208646589U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749554A (en) * | 2018-04-18 | 2018-11-06 | 北京理工大学 | With the matched electric automobile hub power drive system of independent suspension |
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