CN208962805U - A kind of suspension angle assembly of hub motor driven electric vehicle - Google Patents

A kind of suspension angle assembly of hub motor driven electric vehicle Download PDF

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Publication number
CN208962805U
CN208962805U CN201821547417.XU CN201821547417U CN208962805U CN 208962805 U CN208962805 U CN 208962805U CN 201821547417 U CN201821547417 U CN 201821547417U CN 208962805 U CN208962805 U CN 208962805U
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CN
China
Prior art keywords
swing arm
lower swing
knuckle
fixedly connected
hub motor
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Expired - Fee Related
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CN201821547417.XU
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Chinese (zh)
Inventor
刘姝
庄晔
魏健楠
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Jilin University
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Jilin University
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Publication of CN208962805U publication Critical patent/CN208962805U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of suspension angle assemblies of hub motor driven electric vehicle, preceding lower swing arm and rear lower swing arm including being connecting rod shape, and there are two location holes for the lower end of knuckle;One end of preceding lower swing arm is fixedly connected by ball pin with one of location hole of knuckle lower end, and the other end is fixed on vehicle frame by universal joint;One end of lower swing arm is fixedly connected by ball pin with another location hole of knuckle lower end afterwards, and the other end is fixed on vehicle frame by universal joint;Before stabilizer bar assembly is fixedly connected on lower swing arm, the other end is mounted on vehicle frame, and the fulcrum for the flexural pivot that the intersection point of the extended line of straight line and shock absorber support assembly upper end and vehicle frame where preceding lower swing arm and rear lower swing arm are fixedly connected is the main pin axis of vehicle.Solve the problems, such as that the lower swing arm size of McPherson strut influences steering operation and unsprung mass increases influence driving comfort.

Description

A kind of suspension angle assembly of hub motor driven electric vehicle
Technical field
The utility model relates to hub motor automobile suspension systems, more particularly to a kind of hub motor driven electric vehicle Suspension angle assembly.
Background technique
As the development of electric car and hub motor apply matching and operability proposition universal, to Full Vehicle System New requirement.The especially operational stability and driving comfort of automobile, wherein the operational stability of automobile is to traffic safety There is vital influence, driving comfort is then to guarantee that there is passenger good riding experience, especially electric car to exist The problem of complete vehicle quality occurred after installation hub motor increases, unsprung mass increases and suspension mounting arrangements space reduces, it is right The design and installation of suspension leverage propose more exacting terms.
The immediate prior art of the utility model is traditional McPherson strut, and damper upper end and vehicle frame pass through ball Hinge is connected, and knuckle lower end is connected by flexural pivot with triangular form lower swing arm, and the line of upper and lower flexural pivot forms main pin axis.Traditional wheat The advantages of Fu Xunshi suspension is to save arrangement space, and provide more flexible steering operation.
But after assembling hub motor due to electric car, hub motor occupies a part and takes turns interior space, original axial direction Space becomes smaller.If in order to guarantee that wheelspan is constant, and changing the size of small triangular form lower swing arm, then scrub radius increases, outside stub Inclination angle reduce and aligning torque increase, wheel major parameter variation it is more will lead to steering operation variation it is excessive, influence vehicle original Some steering behaviours.If not changing triangular form lower swing arm, wheel can be protruded outside vehicle body, increase vehicle width, affect vehicle Passability affect driving comfort and manipulation and since the hub motor of installation increases the unsprung mass of vehicle Stability.
Summary of the invention
The utility model provides a kind of suspension angle assembly of hub motor driven electric vehicle, has and designs reasonable, section The advantages of save space and flexible arrangement, also ensures the wheel parameters such as scrub radius and stub camber angle while reducing wheelspan It is basically unchanged, the lower swing arm size for solving McPherson strut influences steering operation and unsprung mass increases influence traveling and relaxes The problem of adaptive,
The purpose of this utility model is achieved through the following technical solutions:
A kind of suspension angle assembly of hub motor driven electric vehicle, including hub motor 1, shock absorber support assembly 2, turn It is fixedly connected in hub motor 1 to section 3 and stabilizer bar assembly 7, the knuckle 4,2 assembly of shock absorber support passes through Connecting bracket 3 is fixedly connected on the upper end of knuckle 4;It further include the preceding lower swing arm 5 and rear lower swing arm 6 for being connecting rod shape, institute There are two location holes for the lower end for the knuckle 4 stated;One end of the preceding lower swing arm 5 passes through its of ball pin and 4 lower end of knuckle In a location hole be fixedly connected, the other end is fixed on vehicle frame by universal joint;One end of the rear lower swing arm 6 passes through ball Pin is fixedly connected with another location hole of 4 lower end of knuckle, and the other end is fixed on vehicle frame by universal joint;The transverse direction Before stabiliser bar assembly 7 is fixedly connected on lower swing arm 5, the other end is mounted on vehicle frame, the preceding lower swing arm 5 and rear lower swing arm The fulcrum for the flexural pivot that the intersection point of the extended line of 6 place straight lines and 2 upper end of shock absorber support assembly and vehicle frame are fixedly connected is vehicle Main pin axis.
Further, 2 one end of shock absorber support assembly is connected with vehicle frame by bolt, and the other end passes through with connecting bracket It is bolted.
Further, 4 upper end of knuckle is fixed by bolt and connecting bracket 3,4 upper end of knuckle and connecting bracket phase Even, lower end two is connected with preceding lower swing arm, rear lower swing arm respectively, and the hole 10 of side is connected with track rod.
Further, before 7 one end of stabilizer bar assembly is bolted on the boss 11 of lower swing arm 5, the other end It is mounted on vehicle frame by bolt.
It has the beneficial effect that:
It is in parallel that the location hole of the lower end of the knuckle of the suspension angle assembly of the utility model from one becomes axis Two holes, former triangular lower suspension arm are changed to two connecting rods, and the intersection point of preceding lower swing arm and rear lower swing arm extended line is instead of existing skill The flexural pivot fixed point of triangular lower suspension arm in art, in the identical situation of wheelspan, the suspension angle assembly of the utility model is compared It is in the intersection point of the extended line for the straight line that traditional McPherson suspension, preceding lower swing arm are connected with the two-end-point of rear lower swing arm, i.e., virtual Lower fulcrum is apart from longer, while the main pin axis tool of the connect straight line formation of the upper end fixed point of virtual lower fulcrum and vibration damper assembly There is bigger stub camber angle, there is better steering flexibility and steering reversal.
The utility model suspension angle assembly has also taken into account unsprung mass to driving comfort while saving space It influences, increases compared to unsprung mass after assembly hub motor caused by original lower swing arm form, can more reduce negative effect under spring Influence to vehicle, improves driving comfort.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.Those skilled in the art should manage Solution, the drawings are not necessarily drawn to scale.
Fig. 1 is the structure chart according to the hub motor suspension angle assembly of the utility model one embodiment;
Fig. 2 is the explosive view according to the hub motor suspension angle assembly of the utility model one embodiment;
Fig. 3 is the slewing journal structure figure according to the hub motor suspension angle assembly of the utility model one embodiment;
Fig. 4 is the forward and backward lower suspension arm structure figure according to the hub motor suspension angle assembly of the utility model one embodiment.
Fig. 5 is the rear lower suspension arm structure figure according to the hub motor suspension angle assembly of the utility model one embodiment.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
As illustrated in fig. 1 and 2, the utility model provides a kind of suspension angle assembly of hub motor driven electric vehicle, including Hub motor 1, shock absorber support assembly 2, knuckle 3 and stabilizer bar assembly 7, the knuckle 4 are fixedly connected on wheel On hub motor 1,2 assembly of shock absorber support is fixedly connected on the upper end of knuckle 4 by connecting bracket 3;Further including is connecting rod The preceding lower swing arm 5 and rear lower swing arm 6 of shape, there are two location holes for the lower end of the knuckle 4;The preceding lower swing arm 5 The structure that one end ball is fixedly connected with ball pin, ball pin pass through ball pin and 4 lower end of knuckle perpendicular to preceding lower swing arm 5, preceding lower swing arm 5 One of location hole be fixedly connected, the other end is fixed on vehicle frame by universal joint;One end of the rear lower swing arm 6 is The structure that ball is fixedly connected with ball pin, for ball pin perpendicular to rear lower swing arm, rear lower swing arm is another by ball pin and 4 lower end of knuckle A location hole is fixedly connected, and the other end is fixed on vehicle frame by universal joint;The stabilizer bar assembly 7 is fixedly connected on On preceding lower swing arm 5, the other end is mounted on vehicle frame.Described 2 one end of shock absorber support assembly is connected with vehicle frame by bolt, The other end is bolted with connecting bracket.4 upper end of knuckle is fixed by bolt and connecting bracket 3, knuckle 4 Upper end is connected with connecting bracket, and lower end two is connected with preceding lower swing arm, rear lower swing arm respectively, the hole 10 of side and track rod It is connected.Before described 7 one end of stabilizer bar assembly is bolted on the boss 11 of lower swing arm 5, the other end passes through spiral shell Bolt is mounted on vehicle frame.For reducing the inclination of vehicle during the turn, the steering behaviour of vehicle is improved.
As shown in figure 3, the lower end location hole of its knuckle of the utility model becomes two from one, respectively first is fixed The axis of position hole 8 and second location hole 9, the first positioning hole 8 and second location hole 9 is parallel to tire tread, also parallel with The axis of a location hole in the prior art, as soon as and be located in the prior art location hole axis two sides, It is that the tie point of preceding lower swing arm 5 and rear lower swing arm 6 and first positioning hole is located at the tie point of a location hole in the prior art Two sides.As shown in Figures 4 and 5, the preceding lower swing arm 5 and rear lower swing arm 6 instead of original McPherson suspension lower swing arm, It is responsible for longitudinal force and lateral force suffered by transmitting wheel, the intersection point generation of the extended line of 6 place straight line of preceding lower swing arm 5 and rear lower swing arm Replaced former lower swing arm with knuckle flexural pivot fixed point, the flexural pivot being fixedly connected with 2 upper end of shock absorber support assembly and vehicle frame Fulcrum be vehicle main pin axis.
After the above structure ensure that installation hub motor, in the identical situation of wheelspan, the utility model is compared to tradition McPherson suspension, the intersection point of the extended line of the straight line of front and back lower swing arm two-end-point connection, i.e., virtual lower fulcrum is apart from longer, together When virtual lower fulcrum and vibration damper assembly the main pin axis that is formed of the connected straight line of upper end fixed point there is bigger stub flare Angle has better steering flexibility and steering reversal.Unsprung mass is also mitigated simultaneously, with increasing the patch of wheel property, Improve the driver comfort of vehicle.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model The content opened directly determines or derives many other variations or modifications of the utility model principle.Therefore, the utility model Range is understood that and regards as to cover other all these deformations or modification.

Claims (4)

1. a kind of suspension angle assembly of hub motor driven electric vehicle, including hub motor (1), shock absorber support assembly (2), Knuckle (3) and stabilizer bar assembly (7), the knuckle (4) are fixedly connected on hub motor (1), damper branch Frame (2) assembly is fixedly connected on the upper end of knuckle (4) by connecting bracket (3);It is characterized by also including be connecting rod shape The preceding lower swing arm (5) and rear lower swing arm (6) of shape, there are two location holes for the lower end of the knuckle (4);The preceding lower swing arm (5) one end is fixedly connected by ball pin with one of location hole of knuckle (4) lower end, and the other end is fixed by universal joint On vehicle frame;One end of the rear lower swing arm (6) connects by the way that another location hole of ball pin and knuckle (4) lower end is fixed It connects, the other end is fixed on vehicle frame by universal joint;The stabilizer bar assembly (7) is fixedly connected on preceding lower swing arm (5) On, the other end is mounted on vehicle frame, the intersection point of the extended line of straight line where the preceding lower swing arm (5) and rear lower swing arm (6) with The fulcrum for the flexural pivot that shock absorber support assembly (2) upper end and vehicle frame are fixedly connected is the main pin axis of vehicle.
2. a kind of suspension angle assembly of hub motor driven electric vehicle as described in claim 1, it is characterised in that: described Shock absorber support assembly (2) one end is connected with vehicle frame by bolt, and the other end is bolted with connecting bracket.
3. a kind of suspension angle assembly of hub motor driven electric vehicle as described in claim 1, it is characterised in that: described Knuckle (4) upper end is fixed by bolt and connecting bracket (3), and knuckle (4) upper end is connected with connecting bracket, two points of lower end It is not connected with preceding lower swing arm, rear lower swing arm, the hole (10) of side is connected with track rod.
4. a kind of suspension angle assembly of hub motor driven electric vehicle as described in claim 1, it is characterised in that: described Stabilizer bar assembly (7) one end is bolted on the boss (11) of preceding lower swing arm (5), and the other end is installed by bolt On vehicle frame.
CN201821547417.XU 2018-09-21 2018-09-21 A kind of suspension angle assembly of hub motor driven electric vehicle Expired - Fee Related CN208962805U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821547417.XU CN208962805U (en) 2018-09-21 2018-09-21 A kind of suspension angle assembly of hub motor driven electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821547417.XU CN208962805U (en) 2018-09-21 2018-09-21 A kind of suspension angle assembly of hub motor driven electric vehicle

Publications (1)

Publication Number Publication Date
CN208962805U true CN208962805U (en) 2019-06-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108909388A (en) * 2018-09-21 2018-11-30 吉林大学 A kind of suspension angle assembly of hub motor driven electric vehicle
CN110525512A (en) * 2019-09-25 2019-12-03 吉林大学 A kind of steering-by-wire mechanism and its control method based on McPherson suspension
CN114312263A (en) * 2020-09-30 2022-04-12 比亚迪股份有限公司 Motor drive structure and car

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108909388A (en) * 2018-09-21 2018-11-30 吉林大学 A kind of suspension angle assembly of hub motor driven electric vehicle
CN110525512A (en) * 2019-09-25 2019-12-03 吉林大学 A kind of steering-by-wire mechanism and its control method based on McPherson suspension
CN110525512B (en) * 2019-09-25 2020-07-31 吉林大学 Drive-by-wire steering mechanism based on Macpherson suspension and control method thereof
CN114312263A (en) * 2020-09-30 2022-04-12 比亚迪股份有限公司 Motor drive structure and car

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190611

Termination date: 20210921