CN204020449U - A kind of automobile rear independent suspension - Google Patents
A kind of automobile rear independent suspension Download PDFInfo
- Publication number
- CN204020449U CN204020449U CN201420329562.6U CN201420329562U CN204020449U CN 204020449 U CN204020449 U CN 204020449U CN 201420329562 U CN201420329562 U CN 201420329562U CN 204020449 U CN204020449 U CN 204020449U
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- control arm
- vehicle body
- arm
- shock absorber
- steering swivel
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Abstract
A kind of automobile rear independent suspension, comprise subframe, steering swivel, Control arm, towing arm, spring, spring perch, shock absorber, lining, technical essential is: perpendicular to the Control arm of vehicle body longitudinal axis, this Control arm and be connected with rubber bush between subframe and steering swivel, rear end is fixed on steering swivel, and towing arm front end rubber bush is linked on vehicle body; Three Control arms have longitudinal with spacing that is vertical direction each other, and arrange perpendicular to the longitudinal axis of car; Spring perch and Lower control arm form integrative-structure, are used for the lower end of support helix spring, and coil spring upper end is connected on vehicle body; Shock absorber upper end is by lining on shock absorber, and shock absorber upper bracket connects vehicle body, and shock absorber lower end connects steering swivel; Described lining comprises the outer tube be connected with towing arm, the inner sleeve be connected with vehicle body; Between internal and external casing, be at least provided with one deck provide elastic force elastic construction when the relative inner sleeve of outer tube moves axially.This structure can reduce the impulsive force of ground in the face of vehicle body.
Description
Technical field
The utility model belongs to car chassis relevant design technical field, specifically a kind of automobile rear independent suspension of band towing arm of motor-vehicle chassis.
Background technology
As everyone knows, the task of automobile design teacher is that design is safer, more comfortable, more energy-conservation, the automobile of more environmental protection.The design of automotive suspension has material impact to the safety of automobile and traveling comfort.
Concerning safety, the understeer characteristics of automobile is particularly important.When automobile turning, the rear suspension of automobile should have the understeer characteristics of appropriateness to realize the understeering of whole vehicle.The understeer characteristics of rear overhang rack can be realized by the combined action of three kinds of modes, toeing-in change when namely rolling, and toeing-in change during side force and outward camber change when rolling realize.If reasonably toeing-in change under rational camber angle, angle of toein variation characteristic and lateral forces when ensureing to roll during rear suspension design, then better can realize the understeer characteristics of rear suspension.
Summary of the invention
The purpose of this utility model is with being to provide a kind of energy reduction in the face of the impulsive force automobile rear independent suspension of vehicle body.
The purpose of this utility model is achieved by the following technical solution, comprise subframe, steering swivel, connect the Control arm between steering swivel and subframe and vehicle body, towing arm, coil spring, spring perch and shock absorber, lining, it is characterized in that: perpendicular to the Control arm of vehicle body longitudinal axis, this Control arm and be connected with rubber bush between subframe and steering swivel, rear end is fixed on steering swivel, and towing arm front end rubber bush is linked on vehicle body; Three Control arms have longitudinal with spacing that is vertical direction each other, and arrange perpendicular to the longitudinal axis of car; Spring perch and Lower control arm form integrative-structure, are used for the lower end of support helix spring, and coil spring upper end is connected on vehicle body; Shock absorber upper end is by lining on shock absorber, and shock absorber upper bracket connects vehicle body, and shock absorber lower end connects steering swivel; Described lining comprises the outer tube be connected with towing arm, the inner sleeve be connected with vehicle body; Between internal and external casing, be at least provided with one deck provide elastic force elastic construction when the relative inner sleeve of outer tube moves axially.
Three Control arms as above comprise: first inner auxiliary connection vehicle frame and outer end connect the upper transversal control arm of steering swivel; With upper transversal control arm, there is vertical and second transversal control arm that be fore-and-aft distance; With the first two Control arm, there is vertical and the 3rd transversal control arm that be fore-and-aft distance.A spring perch be connected with Control arm, this spring perch is used for the spring of connection function between vehicle body and spring perch;
Front end connects vehicle body, and longitudinal towing arm that the other end and steering swivel are connected as a single entity.
Independent rear suspension of the present utility model comprises: be mainly surrounded by subframe, steering swivel, and one end connects the shock absorber that the steering swivel other end connects vehicle body; Three inner auxiliary connection vehicle frame 5 outer ends connect three transversal control arms of steering swivel; Be used for the spring perch of between Lower control arm and vehicle body passive spring; The towing arm that front end connection body rear end and steering swivel rigid connecting are integrated.
This structure independent rear suspension be connected on vehicle body, can around the towing arm rotated relative to vehicle body axis of pitch; Be connected to vehicle body in the front end of towing arm, and allow resilient bushing to move along Impact direction;
The lining of this structure independent rear suspension comprises: the outer tube be connected with towing arm, the inner sleeve be connected with vehicle body, has at least one deck elastomeric material to be connected between internal and external casing, provides elastic force when the relative inner sleeve of outer tube moves axially.
This structure independent rear suspension also comprises: the towing arm front end connecting vehicle body can rotate around an axis of pitch; Connect the resilient bushing of towing arm front end and vehicle body, allow to move along suffered elastic force direction.
Content of the present utility model also comprises subframe, steering swivel, Control arm perpendicular to vehicle body longitudinal axis.Control arm also connects steering swivel with rubber bush in vehicle interior side rubber bush auxiliary connection vehicle frame, outside.Trailing arm one end and steering swivel are connected as a single entity, and other end rubber bush connects vehicle body.The utility model allows suspension to have roll understeer, roll oversteer, inclination neutral steer characteristic, also allows Wheel deflection.In the utility model, allow wheel in upper jump process, increase toe-in.
Rear overhang rack described in the utility model, by the hard spot position of adjustment Control arm and lining rigidity, can realize the understeer characteristics of rear suspension; This structure is to traveling comfort, and when wheel runs into obstacle, trailing wheel has the flexibility of movement backward, then the longitudinal impact force that wheel can be made to be delivered to vehicle body reduces.In addition, adopt spring and shock absorber version arranged apart, that the vibration isolation rubber that shock absorber is put can be done is softer, reduces the impulsive force of ground in the face of vehicle body, makes car load have good traveling comfort.
Accompanying drawing explanation
Fig. 1 is structural representation sketch of the present utility model (below is vehicle forward direction)
Fig. 2 is the birds-eye view (top is vehicle forward direction) of Fig. 1
Fig. 3 is the front view of Fig. 1
Fig. 4 is the uniform cross section view of Fig. 1
Fig. 5 is the left view of towing arm and steering swivel in Fig. 1
The nomenclature of accompanying drawing main portion
1-towing arm; 2-connection bracket, 3-towing arm bush, 4-towing arm bush purchasing ore, 5-subframe, the prenex arm lining of 6-
Cover purchasing ore, the prenex arm bush of 7-, the prenex arm bush tween drive shaft of 8-, the prenex Control arm of 9-, the prenex arm bush purchasing ore of 10-, the prenex arm bush tween drive shaft of 11-, the prenex arm bush of 12-, 13-eccentric bolt, 14-connection bracket, transversal control arm after 15-, lining purchasing ore inside Control arm after 16-, lining inside Control arm after 17-, lining tween drive shaft inside Control arm after 18-, lining purchasing ore outside Control arm after 19-, lining outside Control arm after 20-, lining tween drive shaft outside Control arm after 21-, the upper transversal control arm of 22-, lining inside the upper transversal control arm of 23-, lining tween drive shaft inside 24-upper suspension arm, lining purchasing ore outside 25-upper suspension arm, lining outside 26-upper suspension arm, 27-steering swivel, lining on 28-shock absorber, 29-shock absorber upper bracket, 30-shock absorber, 31-shock absorber and rear Control arm attaching parts, lining under 32-shock absorber, lining purchasing ore under 33-shock absorber, 34-coil spring, 35-upper spring seat, rubber cushion under 36-spring, the right wheel set of 37-, 38-left wheel assembly, the right independent suspension of 39-, the left independent suspension of 40-, 41-lower spring cup, 42-hub spindle, 43-hub bearing.
The utility model to be described in further detail by example below in conjunction with accompanying drawing; but following example is only the utility model example wherein; do not represent the rights protection scope that the utility model limits, rights protection scope of the present utility model is as the criterion with claims.
Detailed description of the invention
example 1
Shown in Fig. 1-5,5 subframes in figure, 27 is steering swivel, and connect the Control arm between steering swivel 27 and subframe 5 and vehicle body, this Control arm comprises: first inner auxiliary connection vehicle frame 5 outer end connects the upper transversal control arm 22 of steering swivel 27; With upper transversal control arm, there is transversal control arm 15 after second of vertical and fore-and-aft distance; With the first two Control arm, there is vertical and the 3rd transversal control arm 9 that be fore-and-aft distance; Described Control arm is perpendicular to the longitudinal axis of vehicle body, Control arm (9,15,22) and to be connected with inside prenex arm bush 7, rear Control arm lining 23 inside lining 17 and upper transversal control arm between subframe and steering swivel respectively, rear end is fixed on steering swivel 27, and towing arm 1 front end is connected on vehicle body by lining 23 inside lining 17 inside prenex arm bush 7, rear Control arm and upper transversal control arm; Above-mentioned three Control arms have longitudinal with spacing that is vertical direction each other, and arrange perpendicular to the longitudinal axis of car; Lower spring cup 41 and rear transversal control arm 15 form integrative-structure, are used for the lower end of support helix spring 34, and coil spring 34 upper end is connected on vehicle body; Shock absorber 30 upper end is by lining on shock absorber 28, and shock absorber upper bracket 29 is connected on vehicle body, and shock absorber 30 lower end connects steering swivel 27; Towing arm 1 by being connected with towing arm bush purchasing ore 4, and is connected on vehicle body by the elastomeric towing arm bush 3 of band.
Mention in FIG, automobile accessory frame (or subframe and vehicle body one) 5 is supported by left and right independent suspension 39 and 40 by left and right wheels 37 and 38.Each parts of suspension 39 and 40 are identical, and one of them is another mirror image.One in left side, another is on right side.Because each independent suspension is identical, therefore, in this material only with reference to right independent suspension 39.
In general, as shown in prior figures, suspension 39 comprises the prenex arm 9 of transversal control arm 15, and a towing arm 1(and steering swivel 27 one after a front upper transversal control arm 22), this towing arm 1 front end and towing arm bush purchasing ore 4 weld, towing arm bush purchasing ore 4 is 14 by towing arm bush 3 with vehicle body connection bracket 2,14(outer end, the inner is 2) be connected, vehicle body connection bracket 2 and vehicle body are bolted to connection.This towing arm 1 rear end and steering swivel 27 are bolted to connection.
Shock absorber 30 is by lining on shock absorber 28, and shock absorber upper bracket 29 is connected between steering swivel 27 and vehicle body.Lower spring cup 41 and Control arm 15 form one, are used for support helix spring 34.Rubber cushion 36 under spring is housed in lower spring cup 41, and support helix spring 34 is installed between lower spring cup 41 and upper spring seat 35.
Inside the inner and rear Control arm of rear transversal control arm 15, lining purchasing ore 16 welds, inside rear Control arm, lining 17 inside rear Control arm is equipped with in lining purchasing ore 16 inside, and inside rear Control arm, lining purchasing ore 16 is hinged by lining tween drive shaft inside rear Control arm 18 and subframe 5.Outside described rear transversal control arm 15 outer end and rear Control arm, lining purchasing ore 19 welds, outside rear Control arm, lining 20 outside rear Control arm is equipped with in lining purchasing ore 19 inside, and outside rear Control arm, lining purchasing ore 19 is hinged by lining tween drive shaft outside rear Control arm 21 and steering swivel 27.
Prenex Control arm 9 the inner and prenex arm bush purchasing ore 6 weld, and prenex arm bush 7 is equipped with in prenex arm bush purchasing ore 6 inside, and prenex arm bush purchasing ore 6 is inserted into eccentric bolt 13 by lining tween drive shaft 8 inside prenex arm and realizes with subframe 5 hinged.Described prenex Control arm 9 outer end and prenex arm bush purchasing ore 10 weld, and prenex arm bush 12 is equipped with in prenex arm bush purchasing ore 10 inside, and prenex arm bush purchasing ore 10 is hinged with steering swivel 27 by prenex arm bush tween drive shaft 11.
As shown in Figure 2, lining 23 inside rear Control arm is equipped with in upper transversal control arm 22 the inner, and upper transversal control arm 22 is hinged by lining tween drive shaft inside rear Control arm 24 and subframe 5.Outside described upper transversal control arm 22 outer end and upper suspension arm, lining purchasing ore 25 welds, and outside upper suspension arm, lining 26 outside upper suspension arm is equipped with in lining purchasing ore 25 inside, and outside upper suspension arm, lining purchasing ore 25 is hinged with steering swivel 27.
Fig. 4 is rear suspension integral structure schematic diagram.
As shown in Figure 3 and Figure 5, steering swivel 27 has an all-in-one-piece hub spindle 42, and it rotates around hub bearing 43.Steering swivel 27 is equipped with shock absorber and steering swivel attaching parts 31, shock absorber and steering swivel attaching parts 31 are connected lining purchasing ore 33 under shock absorber by lining under shock absorber 32.The upper bracket 29 of shock absorber 30 upper end is connected on vehicle body by lining on shock absorber 28.
As shown in Figure 1, longitudinal towing arm 1 rear end and steering swivel are connected as a single entity, and the front end towing arm bush purchasing ore 4 of towing arm 1 is connected on vehicle body by the elastomeric towing arm bush 3 of band.
When Control arm 9,15 and 22 upward movement, Control arm rotates around inner covering 7,17 and 23.When Control arm 9,15 and 22 rotates up, spring perch 41 moves up together with Control arm 15, and spring 34 is compressed.Equally, when Control arm 9,15 and 22 moves down, Control arm is rotated down around the lining 7,17 and 23 of inside, and lower spring cup 41 moves down, and allows spring to uphold.
Control arm 7,17,23 and other chassis part may be arranged to the angle of toein when wheel 37 is jumped to be increased, or angle of toein is constant or angle of toein reduces.The change of desirable angle of toein can be obtained in wheel bounce process by adjustment Control arm physical dimension.
Most of resilient bushings in suspension system allow wheel to be subjected to displacement after being subject to external force, such as, encounter the resistance to thing of barrier in roadside.Control arm 7,17 and 23 controls trailing wheel prenex change in hopping process.Control arm 7,17 and 23 and other chassis part may be arranged to do not have prenex change when wheel bounce, also may change to prenex direction.
In this manner, what suspension can be designed has roll understeer, roll oversteer or rolls neutral steer, also allows wheel to be subjected to displacement after being subject to external force simultaneously.In addition, when in jumping on wheel 37 or dropping process, the change at toeing-in angle also can control in an efficient way.
Claims (2)
1. an automobile rear independent suspension, comprise subframe, steering swivel, connect the Control arm between steering swivel and subframe and vehicle body, towing arm, coil spring, spring perch and shock absorber, lining, it is characterized in that: perpendicular to the Control arm of vehicle body longitudinal axis, this Control arm and be connected with rubber bush between subframe and steering swivel, rear end is fixed on steering swivel, and towing arm front end rubber bush is linked on vehicle body; Three Control arms have longitudinal with spacing that is vertical direction each other, and arrange perpendicular to the longitudinal axis of car; Spring perch and Control arm form integrative-structure, are used for the lower end of support helix spring, and coil spring upper end is connected on vehicle body; Shock absorber upper end is by lining on shock absorber, and shock absorber upper bracket connects vehicle body, and shock absorber lower end connects steering swivel; Described lining comprises the outer tube be connected with towing arm, the inner sleeve be connected with vehicle body; Between internal and external casing, be at least provided with one deck provide elastic force elastic construction when the relative inner sleeve of outer tube moves axially.
2. automobile rear independent suspension according to claim 1, is characterized in that: three described Control arms comprise: first inner auxiliary connection vehicle frame and outer end connect the upper transversal control arm of steering swivel; With upper transversal control arm, there is vertical and second transversal control arm that be fore-and-aft distance; With the first two Control arm, there is vertical and the 3rd transversal control arm that be fore-and-aft distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329562.6U CN204020449U (en) | 2014-06-20 | 2014-06-20 | A kind of automobile rear independent suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329562.6U CN204020449U (en) | 2014-06-20 | 2014-06-20 | A kind of automobile rear independent suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204020449U true CN204020449U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329562.6U Active CN204020449U (en) | 2014-06-20 | 2014-06-20 | A kind of automobile rear independent suspension |
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| Country | Link |
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| CN (1) | CN204020449U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016103190U1 (en) | 2016-06-08 | 2016-07-08 | Ford Global Technologies, Llc | Wheel suspension unit for a motor vehicle |
| CN106515332A (en) * | 2015-09-11 | 2017-03-22 | 广州汽车集团股份有限公司 | Rear suspension system of vehicle and vehicle having same |
| DE102016210073A1 (en) | 2016-06-08 | 2017-12-14 | Ford Global Technologies, Llc | Wheel suspension unit for a motor vehicle |
| DE102016210072A1 (en) | 2016-06-08 | 2017-12-14 | Ford Global Technologies, Llc | Wheel suspension unit for a motor vehicle |
| CN107499080A (en) * | 2017-08-23 | 2017-12-22 | 浙江英伦汽车有限公司 | Multi-link lever suspension fork and its vehicle assembly |
-
2014
- 2014-06-20 CN CN201420329562.6U patent/CN204020449U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515332A (en) * | 2015-09-11 | 2017-03-22 | 广州汽车集团股份有限公司 | Rear suspension system of vehicle and vehicle having same |
| DE202016103190U1 (en) | 2016-06-08 | 2016-07-08 | Ford Global Technologies, Llc | Wheel suspension unit for a motor vehicle |
| DE102016210073A1 (en) | 2016-06-08 | 2017-12-14 | Ford Global Technologies, Llc | Wheel suspension unit for a motor vehicle |
| DE102016210072A1 (en) | 2016-06-08 | 2017-12-14 | Ford Global Technologies, Llc | Wheel suspension unit for a motor vehicle |
| US10406879B2 (en) | 2016-06-08 | 2019-09-10 | Ford Global Technologies, Llc | Vehicle wheel suspension |
| DE102016210072B4 (en) | 2016-06-08 | 2023-12-07 | Ford Global Technologies, Llc | Wheel suspension unit for a motor vehicle |
| CN107499080A (en) * | 2017-08-23 | 2017-12-22 | 浙江英伦汽车有限公司 | Multi-link lever suspension fork and its vehicle assembly |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |