CN205344414U

CN205344414U - Independent suspension system behind vehicle

Info

Publication number: CN205344414U
Application number: CN201520768648.3U
Authority: CN
Inventors: 刘培生
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-10-02
Filing date: 2015-10-02
Publication date: 2016-06-29
Anticipated expiration: 2025-10-02

Abstract

The utility model relates to a face was rather than preceding after independent suspension system behind vehicle, two pitch arms connecting the rear wheel were located the rear wheel with the automobile body hinge department of closing, was changed into towedly promptly by pull -type after present, had the horizontal stability of 1 -2 root (spring) pole between the two pitch arms, the pitch arm equals or is good at the distance of wheel and automobile body hinge chalaza, and after the pitch arm combined damping spring's position to arrange the front end of pitch arm, wheel department or wheel in, damping spring was changed into the low spring of low size by large -scale high coil spring, the spring comprises many air spring and metal coil spring jointly or respectively, two compression spring upwards, or slightly to upper left, the upper right side to the setting, the spring is upwards outwards stretched on the pitch arm to one side promptly, the attenuator is had in the spring, also the attenuator can be singly established.

Description

A kind of vehicle IRS Independent Rear Suspension system

Technical field

This utility model relates to a kind of vehicle IRS Independent Rear Suspension system, belongs to vehicle independent rear suspension field, especially belongs to the independent rear suspension field of electro-tricycle, electric automobile, light-duty vehicle.

Background technology

Now, common electric automobile chassis is generally along by the structure of fuel-engined vehicle, and a lot of big automobile factorys are also design electric automobiles on this chassis.But, economic type electric automobile batteries kinetic energy is little, car body weight is light, continue to use the multi link of fuel-engined vehicle or even torsion beam or trailing arm type post-suspension structure structure complexity cost comparatively speaking is high, volume is big, increase too many car weight, material and assembling are adjusted and more all has higher requirements, and national requirements electric bicycle body length is less than four meters, the vehicle body of electro-tricycle is also very short and small, plus adopting baby battery and hybrid power for reducing into, namely with two Cylinder engines that noise and vibration is bigger, do not accomplish relatively high degree of comfort, when car body is higher, center of gravity floats (such as solar telephone and SUV), rock more violent, not easily it is generalized to family, though causing a large amount of subsidy of country still not draw well.Improving to some extent in the weight of independent suspension and performance if alleviating, adding light-weighted vehicle body (shell), electric automobile just can be made only small comfortable ingeniously, reduces automobile and takies path area, reduces traffic congestion；The necessary cost of electric automobile is greatly reduced simultaneously, makes automobile trend more popular, thus reduce toxic emission at all, eliminate haze.

Utility model content

A kind of vehicle IRS Independent Rear Suspension system, connect the twisting place of trailing arm and the vehicle body of rear wheel be positioned at rear wheel below rather than above, namely changed into towed by current rear pull-type, after trailing arm is placed in the front end of trailing arm, wheel place or wheel in conjunction with the position of damping spring, damping spring size reduction (more than 20%), there is horizontal stable (spring) bar between two swing arms, hang and be provided with antivibrator i.e. amortisseur.

Preferably, described damping spring jointly or is separately constituted with metal spiral compression spring (summary is helical spring) or tension spring by many air springs, rubber blanket, rubber pier, buffering clip, the auxiliary damping of polyester damping rubber.

Preferably, described damping spring and antivibrator are above or below rear trailing arm, and damping spring places air spring and metal spiral compression spring respectively before and after the wheel on rear trailing arm, or places metal spiral compression spring and air spring respectively.

Preferably, described damping is the low resistance device of more common damping size reduction more than 20%, lays respectively at before damping spring or after damping spring.

Preferably, having the upwards slightly outward direction setting again of two compression springs in described damping spring, namely spring is tiltedly stretched to upper left side and upper right side on the trailing arm of left and right.

Preferably, described trailing arm length is longer than or equal to the distance of wheel on trailing arm with vehicle body twisting point.

Preferably, described two trailing arms are single the inside being positioned at wheel, or double joint becomes frame-shaped on the both sides of every wheel；Or double joint composition is in two limits up and down of the horizontal direction of the tetragon of every wheel inboard, the two place's equidistant points twisting up and down on the front end on both sides and wheel center vertical line, two torsion beam up and down that the rear end on both sides is fixed with tailstock inboard are connected.

Preferably, there is the stabiliser bar that 1-2 root is horizontal between described two trailing arms of car IRS Independent Rear Suspension system.

Preferably, two trailing arms of described car IRS Independent Rear Suspension system with between chassis respectively by there being spring connecting rod to be connected, it is described that to have spring connecting rod be the facility that connecting rod is connected with car body, primary structure be inside the ball cage type round splce of connecting rod added with can the compression spring of transversal stretching, outside added with the slow integrated component filling rubber blanket.

Accompanying drawing explanation

Fig. 1 is basic block diagram of the present utility model: 1, front damping, 2, front vehicle wheel, 3, chassis, 4, IRS Independent Rear Suspension helical spring, 5, rear wheel, 6, rear trailing arm, 7, back axle cage, 8, rear driving axle, 13, have spring connecting rod, 14, antivibrator；

Fig. 2 be add rear driving axle, rear trailing arm add air spring and suspended structure figure: the 9 of stabiliser bar, the air spring that adds on rear trailing arm, 10, stabiliser bar；

Independent suspension helical spring is changed direction by Fig. 3, increase additonal pressure spring on stabiliser bar, increase suspended structure figure: the 24 of trailing arm upper pulling force spring simultaneously, change the IRS Independent Rear Suspension helical spring of nyctitropic flare, 11, additonal pressure spring on stabiliser bar, 15, trailing arm tension spring；

Fig. 4 be change trailing arm after single pole be suspended structure figure: the 12 of double-rod (frame-shaped) trailing arm afterwards, double-rod (frame-shaped) trailing arm afterwards；

Fig. 5-8 series hangs similar to Fig. 1-4 series, and helical spring simply changes into the serial suspension figure of air spring: only 34 is IRS Independent Rear Suspension air spring, and 9 is the air spring added on rear trailing arm.Other are with metal coil spring Fig. 1-4 series；

Fig. 9 is the structural representation that this utility model is applied on tricycle: 25, wheel hub motor and wheel；

Figure 10 is the structural representation having spring connecting rod: 131, branch sleeve, 132, yielding rubber, 133, round end pull bar, 134, first quarter moon wear-resistant pad, 135, compression spring；

Figure 11 is that up and down double; two trailing arms add gimbal lever's suspended structure schematic diagram: 116, upper and lower two trailing arms, 114 dampings (pressure) spring, 16, twisting point.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model structure and specific works situation are described.

One, Fig. 1 is basic block diagram of the present utility model, before 1, damping and 2 front vehicle wheels and 3 chassis are general-utility car universal architecture, trailing arm after 4 IRS Independent Rear Suspension helical springs and 5 rear wheels and 6,13 there is spring connecting rod, be the most basic schematic diagram of independent rear suspension of the present utility model.Wherein 4 independent suspension helical springs are the helical spring that more common Rear wheel suspension spring heights reduces by more than 20%；Trailing arm after 6, changes conventional direction, pull-type changes into towed；5 rear wheels are the wheel on trailing arm；14 is antivibrator.

Fig. 2, on the basis of Fig. 1, adds 7 back axle cage and 8 rear driving axles；Rear trailing arm adds the suspended structure figure of stabiliser bar between 9 air springs and 10 liang of trailing arms.

4 independent suspension helical springs, on the basis of Fig. 2, are changed direction, become the IRS Independent Rear Suspension helical spring of flare from bottom to top by Fig. 3；Increase additonal pressure spring 11 on stabiliser bar, increase trailing arm upper pulling force spring 15 simultaneously.

Fig. 4 is on Fig. 3 basis, and after change single pole, trailing arm 6 is double-rod (frame-shaped) trailing arm 12 afterwards.

Two, Fig. 5 is the basic block diagram with air spring for main damping spring, before 1, damping and 2 front vehicle wheels and 3 chassis are general-utility car universal architecture, trailing arm after 34 IRS Independent Rear Suspension air springs and 5 rear wheels and 6,13 for there being spring connecting rod, this is the most basic schematic diagram of air spring independent rear suspension.Trailing arm (the conventional direction of same change, pull-type change into towed) after 6；5 rear wheels are the wheel on rear trailing arm, and 13 for there being spring connecting rod, and 14 is antivibrator.

Fig. 6, on the basis of Fig. 5, adds 7 back axle cage and 8 rear driving axles；Rear trailing arm adds the suspended structure figure of 10 stabiliser bars.

34 IRS Independent Rear Suspension air springs, on the basis of Fig. 6, are changed direction, from bottom to top the IRS Independent Rear Suspension air spring of flare by Fig. 7；Additonal pressure spring 11 on stabiliser bar, increases trailing arm upper pulling force spring 15 simultaneously.

Fig. 8 is on Fig. 7 basis, and after change single pole, trailing arm 6 is double-rod (frame-shaped) trailing arm 12 afterwards.

Three, Fig. 9: one of this utility model application on electro-tricycle, 5 are become wheel hub motor and wheel from rear wheel in Fig. 1-8 series.

Four, Figure 10 is the structural representation having spring connecting rod 13 in Fig. 1, Fig. 5.

Five, in Figure 11, the double-rod of side trailing arm constitutes two horizontal sides up and down of parallelogram, the front end on both sides and the two place's equidistant points twisting up and down on wheel center vertical line, and two torsion beam up and down that the rear end on both sides is fixed with tailstock inboard are connected.

Six, synthesized atlas 1-11, is analyzed as follows the working condition of this IRS Independent Rear Suspension system:

A kind of vehicle IRS Independent Rear Suspension system, Fig. 1,5,9 are all its basic structure: rear wheel 5 is foundation motion parts, two trailing arms 6 connecting two rear wheels lay respectively at the left back and right relief angle of vehicle body, after the rear wheel that itself and vehicle body twisting place are positioned on two trailing arms rather than before wheel, damping spring 4 size reduction about more than 20% on trailing arm, after adapting to trailing arm extension, the situation that its front end spaces is relatively low；On the bar of spring, one end is provided with antivibrator 14 or is individually provided with antivibrator, rear trailing arm with between chassis by there being spring connecting rod 13 to be connected.

Described stable, the balancing strut member having spring connecting rod to be connection trailing arm and vehicle body, its basic structure is: 131, branch sleeve, between vehicle body with trailing arm, parallel to the ground, be connected vehicle body and round end pull bar, i.e. support tube, circular hole is opened in its outer end, inside it from outside to inside respectively: 132, yielding rubber；133, round end drawhead；134, first quarter moon wear-resistant pad；135, compression spring.When trailing arm swings up and down, round end pull bar swings up and down drawhead simultaneously therewith and inside and outside moves, and when it moves to parallel with branch sleeve, round end drawhead moves the deepest inwards.This ensure that the rectilinear motion up and down of trailing arm does not add and inside and outside swings.

Fig. 2,6 it is that the vehicle for rear drive designs, adds back axle cage 7 and rear driving axle 8.Adding stabiliser bar 10 simultaneously, play balance and stability effect, its material is usually spring steel.

Fig. 3,7 it is on Fig. 2,6 bases, 4 independent suspension helical springs are changed directions respectively, becomes the IRS Independent Rear Suspension helical spring of flare from bottom to top, increase the resistance to tilting of vehicle body, improve the stability of vehicle body horizontal direction further；Increase additonal pressure spring 11 and trailing arm upper pulling force spring 15 on stabiliser bar simultaneously, strengthen damping effect and stability.

Fig. 4,8 further to strengthen vehicle body stable, and changing trailing arm 6 after single pole is double-rod (frame-shaped) trailing arm 12 afterwards.

Fig. 9: one of this utility model application on electro-tricycle, 25 is wheel hub motor and wheel.If rear axle type drives, then available rear driving axle 8, but be typically without by cage 7.

Claims

1. a vehicle IRS Independent Rear Suspension system, it is characterized in that connecting two trailing arms and the vehicle body twisting place of rear wheel be positioned at rear wheel below rather than above, changed into towed by current rear pull-type, the stabiliser bar that 1-2 root is horizontal is had between two trailing arms, after trailing arm is placed in the front end of trailing arm, wheel place or wheel in conjunction with the position of damping spring, trailing arm tension spring is had, by there being spring connecting rod to be connected between trailing arm with chassis between described trailing arm and vehicle body；The damping spring being connected with trailing arm is separately constituted by many air springs and metal spring or is combined by many air springs and metal spring, having the upwards slightly outward direction setting again of two compression springs in described damping spring, on the bar of damping spring, one end is provided with antivibrator or is individually provided with antivibrator.

2. vehicle IRS Independent Rear Suspension system according to claim 1, is characterized in that described metal spring is made up of stress metal spring and metal tension spring, and described stress metal spring is made up of metal coil spring and metal plate-like compression spring.

3. vehicle IRS Independent Rear Suspension system according to claim 1, is characterized in that described damping spring and antivibrator are above or below rear trailing arm；Damping spring position on rear trailing arm is respectively provided with air spring and metal spiral compression spring before and after being, or front and back are respectively provided with metal spiral compression spring and air spring.

4. vehicle IRS Independent Rear Suspension system according to claim 1, is characterized in that the size reduction more than 20% of described antivibrator, lays respectively at before damping spring or after damping spring.

5. vehicle IRS Independent Rear Suspension system according to claim 1, is characterized in that described trailing arm length is longer than or equal to the distance of wheel on trailing arm with vehicle body twisting point.

6. vehicle IRS Independent Rear Suspension system according to claim 1, is characterized in that described single the inside being positioned at two wheels of two trailing arms, or double joint becomes frame-shaped on the both sides of every wheel；Or double joint composition is in two limits up and down of the level of the tetragon of every wheel inboard, the two place's equidistant points twisting up and down on front end, both sides and wheel center vertical line, two torsion beam up and down that rear end, both sides is fixed with tailstock inboard are connected.

7. vehicle IRS Independent Rear Suspension system according to claim 1, having spring connecting rod described in it is characterized in that is the facility that connecting rod is connected with car body, primary structure be inside the ball cage type round splce of connecting rod added with can the compression spring of transversal stretching, outside added with the integrated component of buffer rubber gasket.