CN109624631A - A kind of multi-link lever suspension fork mechanism that wheel-hub motor driven vehicle front and back is general - Google Patents
A kind of multi-link lever suspension fork mechanism that wheel-hub motor driven vehicle front and back is general Download PDFInfo
- Publication number
- CN109624631A CN109624631A CN201910070523.6A CN201910070523A CN109624631A CN 109624631 A CN109624631 A CN 109624631A CN 201910070523 A CN201910070523 A CN 201910070523A CN 109624631 A CN109624631 A CN 109624631A
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- China
- Prior art keywords
- connecting rod
- suspension
- controls connecting
- wheel
- hub motor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/149—Mounting of rigid axle on wheel knuckle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/30—In-wheel mountings
Abstract
The invention discloses multi-link lever suspension fork mechanisms general before and after a kind of wheel-hub motor driven vehicle, including knuckle assembly, lower preceding controls connecting rod, lower rear controls connecting rod, upper control arm, vibration damper complement and spring, the knuckle assembly is hinged by the outer flexural pivot of upper suspension arm with upper control arm；Knuckle assembly and lower preceding controls connecting rod are articulated and connected by flexural pivot outside lower preceding controls connecting rod；Knuckle assembly and lower rear controls connecting rod pass through flexural pivot outside lower rear controls connecting rod and are articulated and connected.The present invention solves the excessive limitation of hub motor suspension arrangement insufficient space, unsprung mass, such that suspension frame structure is more compact, handling stability is more outstanding；Driving, part guiding mechanism and brake apparatus, which are all integrated into wheel hub, has the characteristics that high integration, designs convenient for vehicle general-purpose platform, the development cycle is greatly reduced, production line cost and industrial chain scale can be greatly reduced；Therefore the present invention has a good application prospect and market value.
Description
Technical field
Vehicle chassis technology field of the present invention, and in particular to a kind of multi link that wheel-hub motor driven vehicle front and back is general is outstanding
Frame mechanism.
Background technique
Hub motor technology is that the motor assembly for being integrated with retarder is directly arranged in wheel hub, by 4 wheel motors
4 wheels are directly driven, compared to for traditional electric car, hub motor technology eliminates differential mechanism, semiaxis even two stage speed change
Device, complete vehicle structure are greatly simplified.However, concentrating motor-driven vehicle relative to internal combustion engine driving or tradition
It says, each component of wheel side suspension of In-wheel motor driving, such as control arm, damper, spring, arrangement space is nervous, leads to chassis
System easily interferes, and suspension adaptability difficulty of matching is big.
In addition, the chassis unsprung mass of four-wheel In-wheel motor driving is big, it is unfavorable for the ride comfort of suspension and handling.Suspension
As the guiding mechanism of tire motion and the transmission mechanism of power.Especially front suspension is related to its lower control arm pair of divertical motion
Front suspension divertical motion influences very big.From the perspective of dynamic suspension system of vehicles, the state of suspension kingpin offset negative value is more managed
Think.But hub motor suspension arrangements in the prior art, compared to conventional suspension, because to match hub motor, wheel hub electricity
Casing body, cooling water pipe and harness etc. occupy suspension and take turns the arrangement space on side, and kingpin offset is caused to be difficult to be arranged to manage
Think state.To generate steering effect, be degrading handling stability in vehicle braking or unequal two sides wheel braking force
Energy.Meanwhile passenger car vehicle suspension fork mechanism mostly uses the form of preceding double wishbone suspension, rear multi-link lever suspension fork in the prior art, it is preceding
Each component of rear suspension substantially cannot be general, and fore suspension and rear suspension amount of parts is more, causes design, production, logistics cost higher.
Summary of the invention
The object of the present invention is to provide a kind of novel with the matched suspension of hub motor, by flexural pivot cloth outside lower controls connecting rod
Within brake disc, keep suspension frame structure more compact, bigger arrangement space is provided for other chassis systems, solves hub motor
The big defect of suspension arrangement insufficient space, unsprung mass overcomes the problems, such as that hub motor suspension stub arranges unreasonable, acquisition
Good handling stability energy.
In order to solve the above technical problems, the invention is realized by the following technical scheme:
A kind of multi-link lever suspension fork mechanism that wheel-hub motor driven vehicle front and back is general, including knuckle assembly, lower preceding control
Connecting rod, lower rear controls connecting rod, upper control arm, vibration damper complement and spring, the knuckle assembly and upper suspension arm
Assembly is hinged by the outer flexural pivot of upper suspension arm；Knuckle assembly and lower preceding controls connecting rod pass through flexural pivot outside lower preceding controls connecting rod
Articulated connection；Knuckle assembly and lower rear controls connecting rod pass through flexural pivot outside lower rear controls connecting rod and are articulated and connected.
The upper control arm is by upper suspension arm front lining, upper suspension arm back bush respectively with vehicle body in upper control
Hinge joint in arm is forward and backward is articulated and connected；The lower preceding controls connecting rod is existed by lower controls connecting rod front lining and vehicle body
Hinge joint before lower in controls connecting rod is articulated and connected；The lower rear controls connecting rod passes through lower controls connecting rod back bush and vehicle
Hinge joint in lower rear controls connecting rod is articulated and connected；
Point is fixedly connected with vehicle body on the vibration damper complement, and point passes through bushing under vibration damper complement under vibration damper complement
It is articulated and connected with the hinge joint in lower preceding controls connecting rod；The vibration damper complement and spring composite joint, i.e., on spring
It puts and connects on end and the piston rod and vibration damper complement of vibration damper complement, the outer cylinder connection of lower spring end and vibration damper complement, bullet
Spring is compressed or is extended with the sliding of piston rod.
The outer flexural pivot of the lower preceding controls connecting rod, the lower rear outer flexural pivot of controls connecting rod are vertical two not be overlapped flexural pivot, are increased
Add kingpin inclination, extends kingpin offset；By the relative position of two ball pins, guarantee that the movement of stub and wheel parameter is advised
Rule is in rational change range value.
The stationary part of hub motor is fixedly connected in the knuckle assembly；The lower preceding controls connecting rod, under
Afterwards controls connecting rod, upper control arm outer end portion guiding mechanism be located at hub interior.
A kind of wheel-hub motor driven vehicle suspension system using above-mentioned multi-link lever suspension fork mechanism, including left front suspension, the right side
Front suspension, left rear suspension and right rear suspension, the left front suspension and right front suspension structure are symmetrical, the left rear suspension and the right side
Rear suspension structure is symmetrical；The left front suspension is identical as right rear suspension structure, the right front suspension and left rear suspension structure
It is identical.
The advantages of the present invention are:
The present invention solves the excessive limitation of hub motor suspension arrangement insufficient space, unsprung mass, so that suspension frame structure
More compact, handling stability can be more outstanding；Since fore suspension and rear suspension uses forward and backward suspension bilateral symmetry, and left front suspension and the right side
Rear suspension structure is identical, right front suspension form identical with left rear suspension structure.It will driving, part guiding mechanism and brake apparatus
All being integrated into wheel hub has the characteristics that high integration, designs convenient for vehicle general-purpose platform, the development cycle is greatly reduced, can be substantially
Reduce production line cost and industrial chain scale.Therefore the present invention has a good application prospect and market value.
Detailed description of the invention
Fig. 1 is a kind of embodiment of the general multi-link lever suspension fork mechanism in wheel-hub motor driven vehicle front and back of the invention；
Fig. 2 is the In-wheel motor driving wheel side overall schematic using multi-link lever suspension fork mechanism of the invention；
Fig. 3 is a kind of embodiment of wheel-hub motor driven vehicle suspension system of the invention.
In figure:
1, lower controls connecting rod front lining；2, lower controls connecting rod back bush；3, lower rear controls connecting rod；
4, the lower outer flexural pivot of rear controls connecting rod；5, track rod ectosphere hinge；6, knuckle assembly；
7, upper suspension arm back bush；8, the outer flexural pivot of upper suspension arm；9, upper control arm；
10, upper suspension arm front lining；11, the outer flexural pivot of lower preceding controls connecting rod；12, bushing is installed under vibration damper complement；
13, lower preceding controls connecting rod；14, vibration damper complement；15, spring；
16, brake caliper assy；17, the stationary part of hub motor；18, brake disc；19, wheel rim；20, tire；
FL, left front suspension；FR, right front suspension；RL, left rear suspension；RR, right rear suspension.
Specific embodiment
With reference to the accompanying drawing and specific embodiment present invention is further described in detail.
As shown in Figure 1, multi-link lever suspension fork mechanism general before and after a kind of wheel-hub motor driven vehicle of the invention, including turn
To section assembly 6, lower preceding controls connecting rod 13, it is lower after controls connecting rod 3, upper control arm 9, vibration damper complement 14 and spring 15,
The knuckle assembly 6 and upper control arm 9 is hinged by the outer flexural pivot 8 of upper suspension arm；Knuckle assembly 6 and it is lower before
Controls connecting rod 13 is articulated and connected by flexural pivot 11 outside lower preceding controls connecting rod；Knuckle assembly 6 and it is lower after controls connecting rod 3 by after lower
The outer flexural pivot 4 of controls connecting rod is articulated and connected；
The upper control arm 9 is by upper suspension arm front lining 10, upper suspension arm back bush 7 respectively with vehicle body upper
Hinge joint in control arm is forward and backward is articulated and connected；The lower preceding controls connecting rod 13 by lower controls connecting rod front lining 1 with
Hinge joint of the vehicle body in lower preceding controls connecting rod is articulated and connected；After the lower rear controls connecting rod 3 is by lower controls connecting rod
The hinge joint of bushing 2 and vehicle body in lower rear controls connecting rod is articulated and connected；Point and vehicle body on the vibration damper complement 14
It is fixedly connected, vibration damper complement 14 lower is carried out by bushing 12 under vibration damper complement and the hinge joint in lower preceding controls connecting rod 13
Articulated connection.
The vibration damper complement 14 and 15 composite joint of spring, the i.e. piston rod of spring 15 upper end and vibration damper complement 14
And connection is put on vibration damper complement 14,15 lower end of spring is connect with the outer cylinder of vibration damper complement 14, and spring 15 is with piston rod
Sliding is compressed or is extended.
The outer flexural pivot 11 of the lower preceding controls connecting rod, the lower rear outer flexural pivot 4 of controls connecting rod are vertical two not be overlapped flexural pivot,
Increase kingpin inclination, extends kingpin offset；By the relative position of two ball pins, guarantee the movement of stub and wheel parameter
Rule is in rational change range value.The design is particularly suitable for the suspension fork mechanism of hub motor: by the way that lower control arm to be changed to
Two connecting rods, the case where realizing and suspension main pin axis is adjusted flexibly, ensure that and insufficient space excessive in unsprung mass
Under, front suspension and all obtainable good handling stability energy of rear suspension；
As shown in Fig. 2, being fixedly connected the stationary part 17 of hub motor in the knuckle assembly 6；Under described
Preceding controls connecting rod 13, it is lower after controls connecting rod 3, upper control arm 9 outer end portion guiding mechanism be located at wheel rim 19 and tire 20
Inside, in addition, brake caliper assy 16 and brake disc 18 also are located at 20 inside of wheel rim 19 and tire, so that it is outstanding to overcome hub motor
The insufficient defect of frame arrangement space.Driving, part guiding mechanism and brake apparatus are all integrated into wheel hub, so that whole suspension
It is more compact, more spaces are provided and give other chassis systems；
As shown in figure 3, a kind of wheel-hub motor driven vehicle suspension system using above-mentioned multi-link lever suspension fork mechanism of the invention
System, including left front suspension FL, right front suspension FR, left rear suspension RL and right rear suspension RR, the left front suspension FL and right front overhang
Frame FR symmetrical configuration, the left rear suspension RL and right rear suspension RR symmetrical configuration；The left front suspension FL and right rear suspension
RR structure is identical, and the right front suspension FR is identical as left rear suspension RL structure.This makes suspension fork mechanism to stub relevant parameter
Adjustment have biggish space, rear suspension is symmetrically obtained by front suspension, fore suspension and rear suspension hard spot allow small range within change, obtain
Front and back general-purpose type suspension increases general rate, saves manufacturing cost.Make to realize fore suspension and rear suspension high pass rate, is conducive to save production
Cost shortens the development cycle.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. general multi-link lever suspension fork mechanism before and after a kind of wheel-hub motor driven vehicle, including knuckle assembly (6), lower preceding control
Connecting rod (13), lower rear controls connecting rod (3), upper control arm (9), vibration damper complement (14) and spring (15), feature exists
In:
The knuckle assembly (6) and upper control arm (9) is hinged by the outer flexural pivot (8) of upper suspension arm；Knuckle
Assembly (6) and lower preceding controls connecting rod (13) are articulated and connected by flexural pivot (11) outside lower preceding controls connecting rod；Knuckle assembly (6) is under
Controls connecting rod (3) is articulated and connected by flexural pivot (4) outside lower rear controls connecting rod afterwards；
The upper control arm (9) is existed with vehicle body respectively by upper suspension arm front lining (10), upper suspension arm back bush (7)
Hinge joint in upper suspension arm is forward and backward is articulated and connected；
The lower preceding controls connecting rod (13) is hinged in lower preceding controls connecting rod by lower controls connecting rod front lining (1) and vehicle body
Point is articulated and connected；
The lower rear controls connecting rod (3) is hinged in lower rear controls connecting rod by lower controls connecting rod back bush (2) and vehicle body
Point is articulated and connected.
2. general multi-link lever suspension fork mechanism, feature before and after a kind of wheel-hub motor driven vehicle according to claim 1
It is:
Point is fixedly connected with vehicle body on the vibration damper complement (14), and point is by under vibration damper complement under vibration damper complement (14)
Bushing (12) is articulated and connected with the hinge joint on lower preceding controls connecting rod (13)；
The vibration damper complement (14) and spring (15) composite joint, the i.e. work of spring (15) upper end and vibration damper complement (14)
Connection is put on stopper rod and vibration damper complement (14), spring (15) lower end is connect with the outer cylinder of vibration damper complement (14), spring (15)
As the sliding of piston rod is compressed or is extended.
3. general multi-link lever suspension fork mechanism, feature before and after a kind of wheel-hub motor driven vehicle according to claim 2
It is:
The outer flexural pivot (11) of the lower preceding controls connecting rod, the lower rear outer flexural pivot (4) of controls connecting rod are vertical two not be overlapped flexural pivot,
Increase kingpin inclination, extends kingpin offset；By the relative position of two ball pins, guarantee the movement of stub and wheel parameter
Rule is in rational change range value.
4. general multi-link lever suspension fork mechanism, feature before and after a kind of wheel-hub motor driven vehicle according to claim 2
It is:
The stationary part of hub motor is fixedly connected in the knuckle assembly (6)；
The lower preceding controls connecting rod (13), it is lower after controls connecting rod (3), upper control arm (9) outer end portion guiding mechanism
Positioned at hub interior.
5. a kind of wheel-hub motor driven vehicle using multi-link lever suspension fork mechanism described in Claims 1-4 any claim
Suspension system, including left front suspension (FL), right front suspension (FR), left rear suspension (RL) and right rear suspension (RR), it is characterised in that:
The left front suspension (FL) and right front suspension (FR) symmetrical configuration；
The left rear suspension (RL) and right rear suspension (RR) symmetrical configuration；
The left front suspension (FL) is identical as right rear suspension (RR) structure；
The right front suspension (FR) is identical as left rear suspension (RL) structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070523.6A CN109624631A (en) | 2019-01-24 | 2019-01-24 | A kind of multi-link lever suspension fork mechanism that wheel-hub motor driven vehicle front and back is general |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070523.6A CN109624631A (en) | 2019-01-24 | 2019-01-24 | A kind of multi-link lever suspension fork mechanism that wheel-hub motor driven vehicle front and back is general |
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| Publication Number | Publication Date |
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| CN109624631A true CN109624631A (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910070523.6A Pending CN109624631A (en) | 2019-01-24 | 2019-01-24 | A kind of multi-link lever suspension fork mechanism that wheel-hub motor driven vehicle front and back is general |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626137A (en) * | 2019-09-20 | 2019-12-31 | 中国第一汽车股份有限公司 | Rear suspension of heavy-load passenger car |
| CN111523173A (en) * | 2020-03-05 | 2020-08-11 | 东南大学 | Virtual rail train hub motor driving independent suspension mechanism and design method thereof |
| CN113232469A (en) * | 2021-06-24 | 2021-08-10 | 中国第一汽车股份有限公司 | Front suspension system and vehicle |
-
2019
- 2019-01-24 CN CN201910070523.6A patent/CN109624631A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626137A (en) * | 2019-09-20 | 2019-12-31 | 中国第一汽车股份有限公司 | Rear suspension of heavy-load passenger car |
| CN111523173A (en) * | 2020-03-05 | 2020-08-11 | 东南大学 | Virtual rail train hub motor driving independent suspension mechanism and design method thereof |
| CN111523173B (en) * | 2020-03-05 | 2022-12-20 | 东南大学 | Virtual rail train hub motor driving independent suspension mechanism and design method thereof |
| CN113232469A (en) * | 2021-06-24 | 2021-08-10 | 中国第一汽车股份有限公司 | Front suspension system and vehicle |
| CN113232469B (en) * | 2021-06-24 | 2023-04-28 | 中国第一汽车股份有限公司 | Front suspension system and vehicle |
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