CN105922835A - Independent wheel suspension and vehicle rear axle with the same - Google Patents
Independent wheel suspension and vehicle rear axle with the same Download PDFInfo
- Publication number
- CN105922835A CN105922835A CN201610097525.0A CN201610097525A CN105922835A CN 105922835 A CN105922835 A CN 105922835A CN 201610097525 A CN201610097525 A CN 201610097525A CN 105922835 A CN105922835 A CN 105922835A
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- CN
- China
- Prior art keywords
- wheel
- spring element
- vehicle
- damping element
- wheel carrier
- 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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Classifications
-
- 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
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/051—Trailing arm twist beam axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
- B60G11/16—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/20—Semi-rigid axle suspensions
-
- 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
- B60G2204/12—Mounting of springs or dampers
- B60G2204/124—Mounting of coil springs
-
- 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
- B60G2204/12—Mounting of springs or dampers
- B60G2204/128—Damper mount on vehicle body or chassis
-
- 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
- B60G2204/12—Mounting of springs or dampers
- B60G2204/129—Damper mount on wheel suspension or 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
- B60G2204/15—Mounting of subframes
Abstract
The invention relates to an independent wheel suspension (1) used for a vehicle rear axle. The independent wheel suspension (1) includes a wheel stand (6) installed rotatablely and used for a road wheel (9), a spring element (7), and a damping element (8) closed to the spring element (7). The wheel stand (6) is connected with an auxiliary frame or a vehicle structure (3) in articulated manner with each control arm. According to the invention, the bottom (21) of the spring element (7) and the bottom (14) of the damping element (8) are supported on the wheel stand (6), and the damping element (8) can be at least partially disposed between the road wheel (9) and the longitudinal element of the vehicle structure (3). In addition, a wheel bearing device (10) rotatablely installed on the wheel stand (6) is provided. The wheel stand (6) includes a prominent bearing area (13) disposed under the spin axis (a) of the wheel bearing device (10) relative to the vertical direction (z), and the bottoms (14, 21) of the damping element (8) and the spring element (7) are supported on the prominent bearing area (13). The damping element (8) is disposed in front or back of the spring element (7) relative to the forward directed driving direction (x) of the vehicle. Furthermore, the invention relates to a rear axle including two independent wheel suspensions (1) for vehicle and a vehicle equipped with the same.
Description
The present invention relates to that one is the most as described in the preamble particularly to be used for vehicle
Independent wheel in the rear axle of motor vehicles hangs.
In vehicle, in order to realize once just being decoupled most possibly with ground by driving, vehicle
Road wheel is generally fastened to the structure of respective vehicle by the insertion of front axle and/or rear axle.?
In this case, vehicle bridge comprises axle components, and this axle components is moveable relative to this structure
And form the parts on chassis with elastic and damping element combination.Therefore, relax except desired driving
Outside adaptive, may insure that required driving stability especially.
Rear axle is configurable to such as rigidity or semi-rigid vehicle bridge, such as swinging axle or torsion girder-like
Rear axle.Further embodiment provides the use that independent wheel the most independent of each other hangs.
This means that respective road wheel is rotatably installed on wheel carrier, this is accordingly by multiple controls
Arm is the most hinged.Although road wheel relative to each other is not set in independent wheel hangs
-as in traditional sense-on common structure transverse connection, but being arranged in pairs of road wheel
Usually used as being generally designated as front axle or rear axle.In this, such independent wheel hangs
It is arranged on the both sides of sulky vehicle.
The control arm connecting respective wheel carrier can be connected to vehicle directly or through inserting subframe
Structure.Arranging of control arm provides prefabricated molds block structured advantage, so that final installation has only to
Therefore the front axle provided by little fastening instrument and/or the fastening of rear axle module.By bullet
The insertion of property bearing, can generally reduce and vibration and structure borne noise (NVH=noise, be shaken
Move and the slightly property made) it is sent in vehicle interior.
According to the installation site of control arm, first distinguish longitudinal control arm, oblique control arm and laterally control
Arm processed.The orientation of each of which refers to longitudinal direction and/or the traveling side of vehicle in this case
To, so that such as transversal control arm generally laterally extends on its longitudinal direction.Additionally, each
The design of control arm may be embodied in it each in term, so that the most trapezoidal and/or I-shaped control
Arm has two protruded arms of its end in wheel side and structure side in varied situations, described
Arm is generally of the junction point with articulated joints.The installation of each control arm in vehicle side is passed through
At least one spheric connection or lining occur, and wherein this lining can be designed as such as with rubber-metal
The composite bearing of the form of bearing.In this case, rubber components guarantees relative to control arm
Being sufficiently separated and limited mobility of the control arm installed.
Relative to rigidity or semi-rigid vehicle bridge, independent wheel hangs the driving performance being generally of improvement,
The driving performance of this improvement is especially by will not be each other during spring-compressed and recoil of spring
Its road wheel position of impact is caused.Additionally, independent wheel hangs needs the least structure
Space, this structure space correspondingly provides the probability in the space that gains freedom.This free space is right
After can be advantageously assigned to such as inner space and/or luggage space.
The various embodiments that independent wheel hangs have been known.
It is therefoie, for example, DE 37 16 706 A1 discloses a kind of turning to for motor vehicles
The independent wheel of wheel hangs.Described wheel suspension has wheel carrier, and this wheel carrier passes through control arm with hinged
Mode connect, this control arm extends transverse in travel direction between wheel carrier and vehicle structure.
Wheel carrier is generally used for the rotatable installation of road wheel.In this case, two lower control arm divide
It is not directed at obliquely relative to horizontal direction.Here, they are respectively by they the most adjacent ends
One in portion is connected to wheel carrier, and they ends relative with wheel carrier are by the axle being spaced apart simultaneously
Bearing apparatus is hinged.By this way, lower control arm shape among each other is at an angle.Under design
One in portion's control arm so that damping element and spring element can be supported on it.For this
Individual purpose, in varied situations, damping element and spring element at the lower control arm being associated and
Extend between vehicle structure.On the direction towards the bearing arrangement of the lower control arm of wheel carrier, resistance
Buddhist nun's element is arranged on the rear portion of spring element and therefore closer to wheel carrier.
DE 10 2,009 012 238 A1 discloses a kind of in the wheel suspension of auto model series
Support spring modular system.This modular system comprises helical spring, plane, this plane
By being positioned at described by its End winding of first end and, relative to the longitudinal direction of helical spring,
Described plane is not located normal to the position of described helical spring.Further it is provided that variable thickness and/or
The spring support of at least two wedge-type shape of working depth, respective for described End winding
Bearing surface design differently from one another.By the selection of the most suitable spring support, support
Spring system is easily adapted to different vehicle model for its total height on road and vibration behavior
Different empty-weights.
US 6,755,429 B1 discloses the independent wheel of a kind of driving rear axle for vehicle and hangs
Hang.In this case, wheel carrier connects also by each control arm, and control arm is correspondingly with hinged
Mode be connected to subframe.In this case, lower control arm is configured to trapezoidal control arm,
It correspondingly comprises four points of connection, and two respective junction points are connected to wheel carrier and subframe.?
Under different situations, top control arm is arranged by drive shaft, and this drive shaft is transmitted moment of torsion and connects
To the wheel carrier being associated, described top control arm is used for supporting spring element.For this purpose,
Described spring element extends between top control arm and the structure of vehicle.It is disposed adjacent to respective
The damping element of spring element extends in an identical manner, and described damping element is not the most to be propped up
Support is on the control arm of top but is directly supported on the wheel carrier being associated.
A kind of wheel for the steerable wheel of motor vehicles is had been disclosed in DE 33 03 551 A1 lead
To hanging post.In addition to connecting the lower control arm of wheel carrier, also provide for hanging post, described
Hanging post is perpendicular to the extensibility of structure of vehicle.Hanging post in lower region thereof connects rigidly
Receive wheel carrier.Additionally, hanging post has damping element and spring element, but, damping element
It is not arranged in each other with spring element but is disposed adjacent to each other.In varied situations, spring
Element and damping element are supported against the structure of vehicle with their upper end.The phase of spring element
To lower support there is the prominent Support of the lower end being connected to damping element in articulated manner
Territory.By this way, hanging post can be rotated to the limited extent around its longitudinal axis, with
Time damping element lower end with longitudinal axis is radially spaced apart follows the pivot with damping element
The rotary motion of the form of motion.
US 3,155,382 A also discloses that a kind of wheel carrier comprising and being connected by control arm for
The independent wheel handled of vehicle hangs.Further it is provided that there is damping element and around damping element
The hanging post of the spring element extended.In this case, configuration upper suspension arm is so that hanging and propping up
Post can be supported on the control arm of top with its lower end and therefrom towards the extensibility of structure of vehicle.
Such rear axle and/or there is the rear axle mould hung from independent wheel known in the art
The rear walking wheel of the embodiment permission vehicle of block is the most hinged.Although known independent wheel
The existing narrow dimension hung, but the design of vehicle region, portion the most behind is
Especially complex.
In addition to the size needed for the wheel cover and/or wheel mouth of road wheel, here must examine
Consider more and more from different systems and the parts of the regional produced.It is included therein,
Among others, it is subframe and vehicle structure, and is necessarily placed at power train therein once in a while.
Further challenge is carried by the size adapting to back seat row's structure in the lateral direction of the vehicle
Supply.In addition it is left and right element and/or stave, damping element and spring element and conduct
The most more complicated design of overall left and right tire assembly.
For fixed structure point and the free space affected one another, on the one hand, be designed as the widest
On the other hand, therefore inner space in the vehicle of pine, what independent wheel hung is currently known
Design also provides for the space further improved.
Hang and equipped with this independence in consideration of it, it is an object of the invention to develop independent wheel
The rear axle of the vehicle of wheel suspension, so that described independent wheel hangs and rear axle has more compact
Structure, particularly on the horizontal direction of the vehicle hung equipped with this independent wheel.
According to the present invention, this purpose is at the independent wheel of the vehicle of the feature with claim 1
The rear axle hung in suspension and at two independent wheels comprising the feature with claim 5
Middle realization.The further particularly advantageous embodiment of the present invention is disclosed in respective dependent claims.
It should be noted that, below in description the feature of individually statement can with any technically
Favourable mode is bonded to each other and discloses embodiments of the invention further.Description is particularly also
Characterize in conjunction with accompanying drawing and illustrate the present invention.
According to the present invention, it is disclosed below the independent wheel for vehicle and has hung, described independence
Wheel suspension is particularly suitable for rear axle and correspondingly as a part for vehicle rear axle.According to
The independent wheel of the present invention hangs can be with the particularly front-wheel drive knot in motor vehicles in vehicle
Close.It is particularly preferred that present inventive concept can also be combined with additional drives or pure rear wheel drive.?
Embodiment described hereinafter and the advantage obtained are correspondingly applied to using and tying of the above-mentioned type
Close.
Hereinafter, the invention discloses a kind of independent wheel for vehicle and hang, this independent car
Wheel suspension is preferably able to be arranged in pairs in rear axle, particularly in rear axle module.
Independent wheel hangs and comprises wheel carrier and/or axle journal, and this axle journal is provided for car in a conventional manner
The rotatable installation of road wheel particularly rear walking wheel.Comprise additionally, independent wheel hangs
The element arranged independent of one another with the form of spring element and damping element.In this case, bullet
Spring element and damping element can preferably be disposed adjacent to each other.Configure wheel carrier in a conventional manner, with
Make described wheel carrier can be hung by each control arm or independent wheel and be firstly connected to subframe or straight
Grounding connection is to the structure (vehicle structure) of vehicle.In other words, wheel carrier can directly be attached
To the structure of vehicle or be attached to the structure of vehicle by the insertion of subframe by each control arm.
Self-evident, when using subframe, first each control arm can also connect
To subframe or the structure that is connected directly to vehicle.
Therefore further embodiment according to the present invention provides wheel carrier for being supported on
Spring element and damping element.For this purpose, spring element and damping element respective under
End is configured for connection to wheel carrier.In such a situation it is preferred to wheel carrier and spring element and damping unit
Under the state being such that in the installation that independent wheel hangs that is articulated and connected of part, damping element can be at least
Be partially disposed at the road wheel being associated particularly trailing wheel and vehicle structure horizontal stave it
Between.Therefore, only damping element extends between described stave and road wheel, so that longitudinally
Element and road wheel could be arranged to the most close.
Additionally, wheel carrier has prominent bearing region.Use bearing region so that damping element and spring
The respective lower end of element can be supported on it.Advantageously, described bearing region is at vehicle
The side at center projects upwards, so that described bearing region is arranged to can be described as away from wheel carrier
Road wheel.It is particularly preferred that bearing region can be wheel carrier an indispensable part and by
Identical material is made.
Advantageously, the size of prominent bearing region may adapt to the size of road wheel.In this feelings
Under condition, especially, the width of wheel rim and the skew of its wheel rim are relevant.This is because, according to wheel
The size of rim, wheel carrier can be disposed deeply at wherein sometimes.Therefore bearing region can be relative to
The part that wheel carrier is connected to road wheel is prominent the most remote so that this bearing region can be by damping
Element reaches, and wherein has the I relative to vertical direction damping element in a lateral direction
The inclination of energy, does not particularly have any inclination.If in other words damping element can utilize under it
The side along road wheel is held to be vertically supported on the bearing region of wheel carrier, then it is assumed that favourable.
It is further preferred that bearing region can protrude past contact area with damping element, in order to
There is provided and spring element is sufficiently supported.Therefore, spring element may be preferred that helical spring, should
Helical spring has the diameter bigger relative to the cylinder barrel of damping element.
According to the present invention, the bearing region of wheel carrier is arranged on it the lowlyest relative to vertical direction
On.For this purpose, wheel carrier in a conventional manner has wheel hub and bearing unit, this bearing list
Unit is used as road wheel and it is relative to the junction point of rotation of residue wheel carrier.Described wheel hub and bearing list
Unit can be as being generally designated as wheel bearing arrangement.By wheel bearing arrangement, the final energy of wheel carrier
Enough it is connected to road wheel.In this case, wheel bearing arrangement limits rotation axis, connects
Road wheel to wheel bearing arrangement correspondingly can rotate around described rotation axis.With reference to vehicle
Vertical direction, it now is possible to provide, the bearing region of wheel carrier is advantageously located described car
The lower section of the rotation axis of wheel bearing device.
By being arranged on the lowest for bearing region on wheel carrier, this allows the biggest spring
Path.This is because bearing region is used for supporting spring element and damping element.Meanwhile, spring element
Part and damping element are not the most supported on inner space and/or the row reducing vehicle in their upper end
In any recess in Lee space, in order to the spring path needed for acquisition.
For setting relative to the damping element of the travel direction of the vehicle being forwardly directed and spring element
Putting, the present invention provides two kinds of alternative embodiments.Therefore, according to the first preferred alternative hereto, resistance
Buddhist nun's element can be arranged on the front of spring element relative to described travel direction.Preferred according to second
Replacement scheme, damping element can correspondingly arrange spring element relative to described travel direction
Rear.
Determine that the setting of which kind of damping element and spring element the most more has in varied situations
Profit is the responsibility of those skilled in the art, about the travel direction of vehicle, and for this purpose,
Those skilled in the art accounts for always according to concrete condition, and such as, what independent wheel hung enters
One step design and/or the structural condition of vehicle structure.Especially, in the front of damping element or to resistance
The displacement of the spring element at the rear of Buddhist nun's element can be with the design phase of the stave of vehicle structure
Closing, the spring element with its upper bearing can be supported in contrast.If be associated
Wheel cover region in stave there is the embodiment of any shortcoming, static characteristic and/or vertically
And/or lateral attitude, the most therefore, by the displacement of spring element, spring element can be relative to mesh
Front situation is conveniently arranged.
By according to embodiments of the invention, it is allowed to the structure that independent wheel hangs general compact is existing
It is being feasible.Especially, the simple parts reducing the suspension of the independent wheel to damping element
Its stave being associated being present in vehicle structure otherwise and the road wheel that is associated it
Between quantity allow stave and road wheel to be positioned at and be closely adjacent to each other.Therefore, it is used for accommodating solely
Structure space needed for vertical wheel suspension is reduced to minimum, so that the gain in space can be allocated
To inner space and/or the luggage space of respective vehicle.
It is particularly preferred that damping element can comprise and is made up of piston rod and cylinder barrel in this case
Structure.In this case, damping element can advantageously be oriented so that only its piston rod
It is at least partially disposed between road wheel and the stave of vehicle structure.Due to relative to damping
The least diameter of the piston rod of the cylinder barrel of element, thus required between road wheel and stave
Between pitch spacing be reduced to minimum.
Especially, the common support of the lower end of the damping element on wheel carrier and spring element is the most right
Its respective spring path ratio produces actively impact.Relative to this at least one control arm
The traditional support of at least one in a little elements, it is possible to achieve almost the spring path ratio of 1.0 and/
Or damping path ratio.
By the optimum structure hung to the independent wheel of side and therefore at the horizontal direction of vehicle
On, it can be advantageous to promote remainder and the design of device and adaptation.On the other hand, from wheel
Saying in the sense that tire assembly, the advantage obtained by compact size can be used for vehicle structure and row
The existing structure of the stave of travelling wheel.More specifically, be not accompanied by according to embodiments of the invention
The potential reduction of the NVH performance that independent wheel hangs.
For spring element, it is provided that, described element can be particularly advantageously supported on vehicle
On the region of the stave of structure.For this purpose, spring element can have and spring element
The lower end of part correspondingly relative to upper bearing.By this way, spring element can be by merging
Upper bearing is supported on the region of stave.By this way, spring element only needs few
The structure space of amount, because it is not arranged between stave and road wheel.On the contrary, use
Exist and maybe will be arranged on the little structure space below stave to accommodate spring element.Right
In the compact size that the independent wheel according to the present invention hangs, this causes further advantage.
Further provided is that, spring element can comprise the lower bearing relative with upper bearing.
Then this be correspondingly positioned in the lower end of spring element.Two ends of spring element in this case
Portion's bearing can be with expedients so that producing spring element under the installment state that independent wheel hangs
Low dip.In other words, it is provided that, due to the design of bearing, the inclination of spring element is permissible
Horizontal direction relative to the vehicle of vertical direction produces and/or it is feasible by the design of bearing
's.Advantageously, the inclination of spring element can extend in this case, so that described spring element
Part, away from the bearing region of wheel carrier, is inclined upwardly on the direction at the center of vehicle.
The inclination of the spring element by allowing, its lower end can be further incorporated into the wheel of road wheel
In rim, so that prominent length can reduce relative to the prominent of the bearing region of wheel carrier.
It is particularly directed to the setting of rear wheel drive or four-wheel drive, the present invention is to provide, damping unit
Part and spring element can be parallel to travel direction the most in an appropriate manner and arrange.In view of
This, it is provided that through the probability of drive shaft, therefore this drive shaft is connected in a conventional manner to wheel carrier
Wheel bearing arrangement in case transmission moment of torsion.Therefore, in the presence of corresponding drive shaft, damping
Element and spring element can be parallel to travel direction and separate the most fully so that they are at that
Spacing it is at least partially formed between this.Described spacing thus be accordingly used in provides enough sky into drive shaft
Between, in order to described drive shaft is set between damping element and spring element.
If drive shaft does not exists, the most correspondingly damping element and spring element can be natural to each other
Ground is close, in order to allow the structure that the compactest independent wheel hangs.Additionally, in this feelings
Under condition, spacing may reside in therebetween, is parallel to travel direction, and this is not used in through drive shaft,
But it is freely-movable for required (non-contacting) of damping element and spring element.
The design hung by the independent wheel according to the present invention disclosed herein, it is achieved, institute
State independent wheel to hang there is the structure of general compact, particularly hang being equipped with this independent wheel
On the horizontal direction of the vehicle hung.By having only to the independence according to the present invention of a small amount of structure space
The setting of wheel suspension, the inner space of vehicle and/or luggage space are generally maintained for making
With.Additionally, the design of sometimes complicated vehicle structure particularly can in Background Region
To simplify significantly, this is the most also to by all further parts to be mounted and the layout of system
Be designed with active influence.
Additionally, the present invention relates to comprise the rear axle of the vehicle that two independent wheels hang.Additionally,
If necessary, rear axle can also have subframe.Especially, described independent wheel hangs
May be preferred that and hang according to a single independent wheel of the present invention as above.
In this case, each independent wheel hangs to comprise and is provided for road wheel rotatably
The wheel carrier installed, and spring element and be disposed adjacent to the damping element of spring element.This
In the case of, wheel carrier is configured to pass independent control arms in a conventional manner and is connected in articulated manner
The subframe of vehicle and/or vehicle structure.
According under the present invention, the spring element of each independent wheel suspension and the respective of damping element
End is supported on the wheel carrier being each associated.Support in this situation, so that respective resistance
Buddhist nun's element can be at least partially positioned at road wheel and the vehicle structure being associated stave it
Between.The car being rotatably installed on wheel carrier is comprised additionally, hang according to the independent wheel of the present invention
Wheel bearing device, under wherein this wheel carrier has prominent bearing region, damping element and spring element
End is supported on it.With reference to vertical direction, in this case, the prominent bearing region of wheel carrier
It is arranged on the lower section of the rotation axis of wheel bearing arrangement.For damping element setting-reference forward
The travel direction of the vehicle of orientation-this arranges the front or behind of spring element in addition.
The advantage of gained and further embodiment are already in connection with only according to the present invention as above
Vertical wheel suspension is described in more detail, in order at the moment with reference to previous embodiment.This is usual
Being also applied to following public vehicle according to the invention, this vehicle comprises and has as above two
The rear axle that individual independent wheel hangs.
Therefore, vehicle according to the invention can have vehicle structure, in different situations two
In the region that individual independent wheel hangs, this vehicle structure has at least one stave and wheel cover knot
Structure.In this case, respective spring element is supported on the region of relevant stave
Each in two damping elements is supported on each autocorrelative region taking turns cover structure simultaneously.
Especially, the upper support of two damping elements on the wheel cover structure being each associated permits
Being permitted the design of the general compact of rear axle in a lateral direction, this correspondingly produces the biggest
The gain in the space in vehicle.
At least one in exemplary embodiment shown in middle schematic representation referring to the drawings, the present invention enters
Details and effect that one step is favourable are described, in accompanying drawing more fully below:
Fig. 1 especially shows in the way of broken section rearview and navigates to have also according to the present invention
The part on the left side of the rear axle according to the present invention that hangs of independent wheel, wherein use to
Corresponding visual angle in the travel direction of front orientation;
Fig. 2 shows in the way of the broken section front view that the independent wheel according to the present invention hangs
The left part according to the present invention of Fig. 1, wherein uses contrary with the travel direction being forwardly directed
Visual angle;And
Fig. 3 shows the side view of the rear axle according to the present invention of Fig. 1 and 2, wherein uses
Visual angle on the direction of the rotation axis that the independent wheel according to the present invention hangs.
In various figures, identical parts are always provided with identical reference, so that described
Parts the most only describe once.
Fig. 1 shows and does not illustrate in greater detail particularly motor vehicles for vehicle
A part for rear axle according to the present invention.Rear axle generally comprises two independences according to the present invention
Wheel suspension 1, in this example, it is visible that only one of which independent wheel hangs 1.In this reality
In example, it is assumed that according to the part of the rear axle of the present invention not shown be configured correspondingly to
Shown here partial mirror is symmetrical.
For hanging installation site and the alignment of 1 relative to the rear axle of vehicle and/or independent wheel,
In this example, the visual angle in travel direction x being forwardly directed is used to illustrate.Despite rear car
Half view of bridge, but this rear axle the most further be perpendicular to travel direction x extend
The contrary side of transverse direction y upwardly extend.Therefore, with reference to the visual angle of Fig. 1, transverse direction y
A left side is extended to from the right side.Powered relative to when supposing to be in relative to the bottom at the visual angle of Fig. 1
Ground 2, rear axle the most visible left side independent wheel hangs 1 at vertical direction
Z is upper to be extended, and is correspondingly perpendicular to travel direction x and transverse direction y upwardly extends.
Independent wheel for improving hangs the definition of the installation site of 1, further there is illustrated car
A part for structure 3, it has and is parallel to travel direction x and prolongs at least in part in this example
The stave 4 stretched and the wheel cover structure 5 being rigidly connected to stave 4.
Observe left side independent wheel depicted herein and hang the structure of 1, it is evident that described independent car
Wheel suspension comprises wheel carrier 6 and spring element 7 and damping element 8.Setting due to spring element 7
It is positioned at the rear of damping element 8 in this example, so described spring element only passes through
Dotted line represents.Therefore, spring element 7 is observed in travel direction x and is positioned at damping unit
The rear of part 8.Configuration wheel carrier 6 does not illustrates in greater detail directly to be passed to control arm
Ground connection is attached or subframe is the most invisible is attached to vehicle structure 3 by inserting.
In this set, wheel carrier 6 is commonly provided for road wheel 9 more specifically rear walking wheel 9
Rotatable installation.For this purpose, wheel carrier 6 has wheel bearing arrangement 10, car
Wheel bearing device 10 allows the installation around rotation axis a to rotate, and is substantially parallel to horizontal direction
Y extends.
Rotation axis a is to be considered only as " generally " with the parallel character of transverse direction y, because of
For on vertical direction z and on the direction contrary with vertical direction z, this can drawn by control arm
It is eliminated during the deflection of the wheel carrier 6 led.In other words, in addition to for prenex value, wheel
The value of the camber angle of frame 6 and/or wheel bearing arrangement 10 its be rendered as being parallel to vertical direction z
Inclination correspondingly can also change according to the relative position of wheel carrier 6 to vehicle structure 3.Its
Reason is the junction point of the control arm the most differently positioned and difference related to this
Circular path, control arm can be pivoted to limited extent around described circular path.
Road wheel 9 is to have wheel rim 11 and be assembled to wheel rim 11 generally (and in this example to cut open
View illustrates) on tire 12 wheel tyre combination.In this case, wheel rim 11 has
Visual angle relative to Fig. 1 is from degree of depth b of the right side internal edge designated size of wheel rim 11.
As it can be seen, damping element 8 and spring element 7 wheel carrier 6 and vehicle structure 3 it
Between extend.For this purpose, wheel carrier 6 has in cantilevered fashion contrary with transverse direction y
The bearing region 13 that projects upwards of side.A part for bearing region 13 is used for supporting wheel in this respect
Damping element 8 on frame 6 and spring element 7.For required connection, damping element 8 has
The connecting element 15 of location, its lower end 14, by connecting element 15, damping element 8 is with hinged
Mode is connected to the bearing region 13 of wheel carrier 6.Owing to damping element 8 has cylinder barrel 16 and is arranged on
In cylinder barrel 16 can the piston rod 17 of vertical shift at least in part, the most described connecting element 15
It is connected to be positioned at accordingly in the cylinder barrel 16 below described pipe.Therefore, other connecting element 19
Being positioned in the upper end 18 of damping element 8, described connecting element will damping unit by its piston rod 17
Part 8 is connected to take turns the region of cover structure 5.
It can be seen that the stave 4 of vehicle structure 3 and road wheel 9 are spaced apart, with
Damping element 8 is made to be at least partially disposed on road wheel 9 more specifically by its piston rod 17
Between its tire 12 and stave 4 of vehicle structure 3.In other words, road wheel 9
Tire 12 and the stave 4 of vehicle structure 3 adjacent one another are directed, so that damping element 8
Piston rod 17 be positioned betwixt and be not in contact with.
Relative to connecting element 15,19, described element can such as, with lining or the shape of spheric connection
Formula presents.
Fig. 2 shows the independent car in left side of the rear axle rotating 180 ° from front around vertical direction z
Wheel suspension 1;More specifically observe on the contrary with travel direction x.Therefore, the present position of spring element 7
In the front of damping element 8 so that in this example damping element 8 be represented by dashed line, simultaneously
The spring element 7 of the prospect being positioned in profile is apparent.Due to spring in this example
Element 7 is helical spring, so its each winding 20 is visible in the cross-section.
Generally prolong it can be appreciated that spring element 7 has relative to being parallel to vertical direction z
The inclination of the damping element 8 stretched.Select the inclination of spring element 7 so that the lower end of spring element 7
21 are supported against the bearing region 13 of wheel carrier 6 and the upper end 22 of spring element 7 is against vehicle
The region of the stave 4 of structure 3 is supported.In this case, with further towards car
The contrary direction of the transverse direction y at center on, the upper end 22 of spring element 7 biases.In order to
Guaranteeing the abundant support of spring element 7, bearing 23,24 is arranged on its end.In this case,
Upper bearing 23 is inserted between the upper end 22 of spring element 7 and stave 4 and bottom
Bearing 24 is inserted between the lower end 21 of spring element 7 and the bearing region 13 of wheel carrier 6.For
Allowing the inclination of spring element 7, two bearings 23,24 have corresponding wedge-type shape.
Fig. 3 also shows damping relative to each other in the way of the side view of independent wheel suspension 1
Element 8 and the position of spring element 7, wherein have the visual angle contrary with transverse direction y.At this
In view, this view is absorbed in each element emphasizing that independent wheel hangs 1, remainder simultaneously
The road wheel 9 and the vehicle structure 3 that are such as positioned in background represent the most by a dotted line.Permissible
It is seen that damping element 8 and spring element 7 have spacing c each other, spacing c is parallel to row
Sail direction x to extend.If necessary, spacing c can increase to allow drive shaft the most more
It is illustrated in detail in the wheel bearing arrangement 8 towards wheel carrier 6 at damping element 8 and spring element 7
Between pass through.
Reference numerals list
1 independent wheel hangs, left side
2 ground
3 vehicle structures
The stave of 43
The wheel cover structure of 53
The wheel carrier of 61
The spring element of 71
The damping element of 81
9 road wheels
The wheel bearing arrangement of 10 6
The wheel rim of 11 9
The tire of 12 9
The bearing region of 13 6
The lower end of 14 8
Connecting element between 15 8 and 6
The cylinder barrel of 16 8
The piston rod of 17 8
The upper end of 18 8
Connecting element between 19 8 and 5
The winding of 20 7
The lower end of 21 7
The upper end of 22 7
Upper bearing between 23 4 and 7
Lower bearing between 24 7 and 6
The rotation axis of a 10
The degree of depth of b 11
Spacing between c 7 and 8
X travel direction, forward
Y horizontal direction
Z vertical direction
Claims (6)
1. the independent wheel for the rear axle of vehicle hangs, and comprises and is provided for road wheel (9)
The wheel carrier (6) being rotatably mounted and spring element (7) and be disposed adjacent to described spring
The damping element (8) of element (7), wherein said wheel carrier (6) is configured to pass each control arm
It is connected to subframe or vehicle structure (3) in articulated manner,
It is characterized in that
The lower end (21) of described spring element (7) and the lower end (14) of described damping element (8)
It is supported on described wheel carrier (6), so that described damping element (8) can be arranged at least in part
Between the stave (4) of described road wheel (9) and described vehicle structure (3), Qi Zhongke
The wheel bearing arrangement (10) being rotationally mounted on described wheel carrier (6) is provided and described takes turns
Frame (6) has prominent bearing region (13), and described prominent bearing region (13) is relative to vertically
Direction (z) is arranged on the lower section of the rotation axis (a) of described wheel bearing arrangement (10), institute
The described lower end (14,21) stating damping element (8) and described spring element (7) is supported on
On described prominent bearing region (13), and wherein said damping element (8) is relative to fixed forward
To the travel direction (x) of described vehicle be arranged on front or the setting of described spring element (7)
Rear to described spring element (7).
2. independent wheel as claimed in claim 1 hangs, it is characterised in that
Upper bearing (23), described upper bearing (23) is described with described spring element (7)
Lower end (21) relatively and is set to described spring element (7) is supported on described vehicle structure (3)
Described stave (4) region on.
3. independent wheel as claimed in claim 1 or 2 hangs, it is characterised in that
Lower bearing (24) is relative with described upper bearing (23) and is positioned at described spring element
(7) described lower end (21), wherein said two bearings (23,24) are configured to make described
Spring element (7) can be relative to described vertical direction (z) with the horizontal direction at described vehicle
Y the mode of () upper inclination is arranged.
4. the independent wheel as described in aforementioned claim hangs, it is characterised in that
Spacing (c) is parallel to described travel direction (x) at described damping element (8) and described bullet
Extend between spring element (7), so that drive shaft can be arranged on described damping element (8) and institute
Stating between spring element (7), described drive shaft is connected to the described axletree of described wheel carrier (6)
Bearing apparatus (10) and transmit moment of torsion.
5., for a rear axle for vehicle, comprise two especially such as in aforementioned claim
Independent wheel described in Xiang hangs (1), and described independent wheel hangs and arranges use each the comprising of (1)
In the wheel carrier (6) being rotatably mounted and the spring element (7) of road wheel (9) be set to
The damping element (8) of neighbouring described spring element (7), wherein said wheel carrier (6) is configured to lead to
Cross each control arm and be connected to subframe or vehicle structure (3) in articulated manner,
It is characterized in that
The lower end (21) of described spring element (7) and the lower end (14) of described damping element (8)
On the wheel carrier (6) being associated described in being each supported on, so that described respective damping element (8)
The road wheel (9) being associated described in can be at least partially positioned at and described vehicle structure (3)
Stave (4) between, wherein on each wheel carrier (6), be rotatably installed in described
Wheel bearing arrangement (10) on wheel carrier (6) is provided and the most described wheel carrier (6)
Having prominent bearing region (13), described prominent bearing region (13) is relative to vertical direction (z)
The lower section of the rotation axis (a) of the wheel bearing arrangement (10) being associated described in being arranged on, described
The described lower end of the damping element (8) that is associated and the described spring element (7) being associated (14,
21) it is supported on described prominent bearing region (13), and wherein said damping element (8)
It is arranged on described spring element (7) relative to the travel direction (x) of the described vehicle being forwardly directed
Front or the rear of described spring element (7) is set to.
6. a vehicle, particularly motor vehicles, comprise and have two especially as aforementioned right is wanted
A described independent wheel in asking hangs the rear axle of (1),
It is characterized in that
The vehicle structure (3) with stave (4) is separately positioned on said two independent wheel
Hanging in the region of (1) and wheel cover structure (5), the most each described independent wheel hangs (1)
Spring element (7) be supported on described on the region of stave (4) that is associated and every
Individual described independent wheel hang the damping element (8) of (1) be supported on described in the wheel cover that is associated
On the region of structure (5), the most described spring element (7) and described damping element (8) each
From lower end (21,14) be supported on the wheel carrier (6) being associated, so that described damping element
(8) be at least partially disposed on described in the road wheel (9) that is associated and described be associated described
Between the stave (4) of vehicle structure (3), wherein on each described wheel carrier (6), can
The wheel bearing arrangement (10) being rotationally mounted on described wheel carrier (6) is provided and in difference
In the case of described wheel carrier (6) there is prominent bearing region (13), described prominent bearing region (13)
The rotation axis (a) of described wheel bearing arrangement (10) it is arranged on relative to vertical direction (z)
Lower section, described in the damping element (8) that is associated and the described spring element (7) being associated
Described lower end (14,21) is supported on described prominent bearing region (13), and wherein institute
State damping element (8) and be arranged on institute relative to the travel direction (x) of the described vehicle being forwardly directed
State the front of spring element (7) or the rear of described spring element (7) is set to.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015203564.6 | 2015-02-27 | ||
DE102015203564.6A DE102015203564A1 (en) | 2015-02-27 | 2015-02-27 | Independent and rear suspension with independent wheel suspensions for one vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105922835A true CN105922835A (en) | 2016-09-07 |
Family
ID=56682730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610097525.0A Pending CN105922835A (en) | 2015-02-27 | 2016-02-23 | Independent wheel suspension and vehicle rear axle with the same |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN105922835A (en) |
DE (1) | DE102015203564A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111806176B (en) * | 2020-07-20 | 2021-12-10 | 深圳云台映象科技有限公司 | Suspension system and vehicle |
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US4671531A (en) * | 1985-02-28 | 1987-06-09 | Bayerische Motoren Werke Ag | Rear wheel suspension for motor vehicles |
DE3716706A1 (en) * | 1987-05-19 | 1988-12-08 | Daimler Benz Ag | INDEPENDENT WHEEL SUSPENSION FOR STEERING WHEELS OF MOTOR VEHICLES |
US4840396A (en) * | 1986-12-09 | 1989-06-20 | Honda Giken Kogyo Kabushiki Kaisha | Rear suspension system for automobiles |
DE19533154A1 (en) * | 1994-09-22 | 1996-03-28 | Volkswagen Ag | Single wheel suspension for car undercarriage |
CN1136793A (en) * | 1994-10-12 | 1996-11-27 | 劳伦斯·J·霍尔特 | Suspension system |
US20070001420A1 (en) * | 2005-07-01 | 2007-01-04 | Audi Ag | Independent wheel suspension for the rear wheels of motor vehicles |
CN102371862A (en) * | 2010-07-08 | 2012-03-14 | 福特全球技术公司 | Cross connecting rod |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US3155382A (en) | 1962-08-27 | 1964-11-03 | Gen Motors Corp | Independent front wheel suspension assembly |
DE3303551A1 (en) | 1983-02-03 | 1984-08-09 | Volkswagenwerk Ag, 3180 Wolfsburg | Wheel suspension spring strut for the steered wheels of a motor vehicle |
US6755429B1 (en) | 2003-05-06 | 2004-06-29 | Ford Global Technologies, Llc | Independent suspension for rear wheels of automotive vehicle |
DE102009012238A1 (en) | 2009-03-07 | 2010-09-09 | Bayerische Motoren Werke Aktiengesellschaft | Modular system for accommodating suspension spring in wheel suspension of passenger car, has spring pads extending over sectors of support surfaces for entire end coil such that vehicle models are provided with respective pads at spring end |
-
2015
- 2015-02-27 DE DE102015203564.6A patent/DE102015203564A1/en not_active Withdrawn
-
2016
- 2016-02-23 CN CN201610097525.0A patent/CN105922835A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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US4671531A (en) * | 1985-02-28 | 1987-06-09 | Bayerische Motoren Werke Ag | Rear wheel suspension for motor vehicles |
US4840396A (en) * | 1986-12-09 | 1989-06-20 | Honda Giken Kogyo Kabushiki Kaisha | Rear suspension system for automobiles |
DE3716706A1 (en) * | 1987-05-19 | 1988-12-08 | Daimler Benz Ag | INDEPENDENT WHEEL SUSPENSION FOR STEERING WHEELS OF MOTOR VEHICLES |
US5100165A (en) * | 1987-05-19 | 1992-03-31 | Daimler-Benz Aktiengesellschaft | Independent wheel suspension for steerable wheels of motor vehicles |
DE19533154A1 (en) * | 1994-09-22 | 1996-03-28 | Volkswagen Ag | Single wheel suspension for car undercarriage |
CN1136793A (en) * | 1994-10-12 | 1996-11-27 | 劳伦斯·J·霍尔特 | Suspension system |
US20070001420A1 (en) * | 2005-07-01 | 2007-01-04 | Audi Ag | Independent wheel suspension for the rear wheels of motor vehicles |
DE102005030810A1 (en) * | 2005-07-01 | 2007-01-18 | Audi Ag | Independent suspension for the rear wheels of motor vehicles |
CN102371862A (en) * | 2010-07-08 | 2012-03-14 | 福特全球技术公司 | Cross connecting rod |
Also Published As
Publication number | Publication date |
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DE102015203564A1 (en) | 2016-09-01 |
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