CN203401898U - Automobile rear independent suspension - Google Patents
Automobile rear independent suspension Download PDFInfo
- Publication number
- CN203401898U CN203401898U CN201320472218.8U CN201320472218U CN203401898U CN 203401898 U CN203401898 U CN 203401898U CN 201320472218 U CN201320472218 U CN 201320472218U CN 203401898 U CN203401898 U CN 203401898U
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- leaf spring
- rear suspension
- plate spring
- independent rear
- vehicle
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Abstract
The utility model discloses an automobile rear independent suspension which comprises two steering knuckles, two shock absorbers, a transverse traction bar and a longitudinal traction bar, wherein the two shock absorbers are respectively connected with one end of the corresponding steering knuckle, and the transverse traction bar and the longitudinal traction bar are both connected with the other end of the corresponding steering knuckle. The automobile rear independent suspension further comprises a plate spring which is transversely arranged, wherein the two ends of the plate spring are respectively connected with the other end of the corresponding steering knuckle, and the middle portion of the plate spring is fixed through two fixing bases. The transversely-arranged plate spring is used as an elastic element, and meanwhile the plate spring and the transverse traction bar jointly play a role of guiding; the middle portion of the plate spring is fixedly connected with an automobile body, and the suspension has a long tensile stroke. Therefore, it is still guaranteed that wheels make good contact with the ground when an automobile moves on an uneven road, and automobile comfort and anti-roll abilities of vehicles are improved.
Description
Technical field
The utility model relates to a kind of car chassis system, particularly a kind of independent rear suspension of vehicle.
Background technology
At present, existing automobile three connecting-rod separated suspensions are a kind ofly based on McPherson suspension, to carry out improved common independent suspension, its structural representation is as Fig. 1, generally appear in rear suspension, its bottom is no longer A arm, but two groups of parallel lateral rod I 55 and lateral rod II 66 and one group of longitudinal rod 77, bumper 11, steering swivel 44, coil spring 22 and profile 33 are assembled in an assembly.
That existing three connecting-rod separated suspensions have is lightweight, cost is low, and stress point disperses, decoupling zero degree advantages of higher, but to go all out in its turn side larger, and anti-roll capability is low.Existing three connecting-rod separated suspensions adopt coil springs 22, have that unit mass S. E. A. is high, quality is little, without the advantage such as lubricated.But coil spring 22 can only vertically arrange, and can only bear the load of vertical direction, therefore space arrange and structure on there is limitation.
Therefore, need to improve above-mentioned three connecting-rod separated suspensions, improve its anti-roll capability, and reduce and to take up room, the traveling comfort of automobile is improved accordingly.
Utility model content
In view of this, it is good that the purpose of this utility model is to provide a kind of traveling comfort, take up room little, and the independent rear suspension of vehicle that anti-roll capability is good.
In order to solve the problems of the technologies described above, a kind of independent rear suspension of vehicle of the utility model, comprise two steering swivels, two bumpers that are connected with one end of two described steering swivels respectively, the lateral rod and the longitudinal rod that are all connected with the other end of two described steering swivels, described independent rear suspension of vehicle also comprises the leaf spring of a lateral arrangement, and described leaf spring two ends are connected with the other end of two described steering swivels respectively, and the middle part of described leaf spring is fixed by two permanent seats.
Further, two described permanent seats are symmetrical along longitudinal axis of symmetry of left and right wheels;
Further, the spacing between two described permanent seats is the 1/4-1/3 of described leaf spring length;
Further, two described permanent seats are bolted mode and are fixedly connected with vehicle body;
Further, described bumper along the longitudinal direction rear-inclined arrange;
Further, described lateral rod has at least one pair of;
Further, the cross-sectional plane of described leaf spring is circular or square;
Further, described leaf spring is carbon fibre leaf spring.
The beneficial effects of the utility model are: independent rear suspension of vehicle of the present utility model, and adopt transverse leaf spring as elastic element, described leaf spring rises with lateral rod and jointly play the guiding role; Described leaf spring middle part is fixedly connected with auto body, and suspension has larger stretching travel, makes running car when uneven road surface, still can guarantee the good contact on wheel and ground, has improved car comfort and vehicle anti-roll capability.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the structural representation of existing three connecting-rod separated suspensions;
Fig. 2 is the structural representation of independent rear suspension of vehicle in the utility model one embodiment.
In above Fig. 1 and Fig. 2, wherein:
11-bumper; 22-coil spring; 33-wheel hub;
44-steering swivel; 55-lateral rod I; 66-lateral rod II;
77-longitudinal rod;
1-bumper; 2-steering swivel; 3-wheel hub;
4-lateral rod; 5-leaf spring; 6-permanent seat;
7-longitudinal rod;
The specific embodiment
Fig. 1 is the structural representation of existing three connecting-rod separated suspensions; Fig. 2 is the structural representation for independent rear suspension of vehicle in the utility model one embodiment.In figure, directions X is horizontal direction, the vertical direction of Y-direction, and Z direction is longitudinal direction, and in figure, X positive dirction is right side, and X negative direction is left side.
As shown in Figure 2, a kind of independent rear suspension of vehicle, comprise two steering swivels 2, two bumpers 1 that are connected with one end of two steering swivels 2 respectively, the lateral rod 4 and the longitudinal rod 7 that are connected with the other end of two steering swivels 2, independent rear suspension of vehicle also comprises the leaf spring 5 of a lateral arrangement, leaf spring 5 two ends are connected with the other end of two steering swivels 2 respectively, and the middle part of leaf spring 5 is fixing by two permanent seats 6.In two permanent seats 6, rubber bush is set, rubber bush is by leaf spring 5 and two permanent seat 6 elastomeric isolation.Leaf spring 5, when wheel bob, can rotate up and down around pedestal 6.Adopt rubber bush, the noise in the time of can reducing vibrations.One end of lateral rod 4 is connected with steering swivel 2, and the other end also passes rubber bush by tie bolt and is laterally fixedly connected with vehicle body.Longitudinal rod 7 one end are connected with steering swivel 2, and other end end is porose, pass rubber bush the end of longitudinal rod 7 and vehicle frame are longitudinally fixedly linked by tie bolt.Wearing and tearing between the vibration that rubber bush transmits from road surface in the time of can alleviating running car and impact and minimizing vibrating noise and attaching parts.The leaf spring 5 of lateral arrangement not only can bear the load of vertical direction, and jointly play the guiding role with lateral rod 4, bears and transmit the horizontal force on vehicle body and road surface, guarantees both sides wheel and the direct distance of road surface contact point, avoids wear on tyres.The leaf spring 5 of lateral arrangement has larger stretching travel, has improved the anti-roll capability of automobile, has improved the traveling comfort of automobile.
In Vehicle Driving Cycle process, tire is subject to the antagonistic force on road surface, and the application force that road surface produces vehicle passes to leaf spring 5 by wheel hub 3 and steering swivel 2.When left and right wheels is beated and when jerk value is identical, wheel mount drives steering swivel 2 up-and-down movements, the beating of wheel of making a concerted effort to suppress that leaf spring 5 two ends produce in the same way.When left wheel is unsettled, leaf spring 5 left end tensions, produce application force upwards to the steering swivel 2 in left side, and the steering swivel 2 in restriction left side continues to lower swing.Thereby improve its anti-roll capability.When right wheel hanging, the principle of work of leaf spring 5 is similar.Do not repeating herein.
Two permanent seats 6 are fixedly connected with vehicle body by bolt.And symmetrical along the longitudinal axis of symmetry of vehicle right and left wheel.Distance between two permanent seats 6 is about the 1/4-1/3 of leaf spring 5 length, needs the length matching relationship between consideration and lateral rod 4 simultaneously.Distance between permanent seat 6 is excessive, and the deformable amount of leaf spring 5 reduces, and can affect car load traveling comfort and drive handling.
Because 5 designs of the leaf spring of lateral arrangement have replaced the vertical coil spring 22 of traditional design, bumper 1 can adopt to longitudinal direction rear-inclined and arrange, reduces vertical taking up room, and is conducive to the layout of standby baggage container, can reduce bodywork height, improve the operational stability of vehicle.Certainly, when larger in vehicle body space, also bumper 1 can be adopted top rake along the longitudinal direction to arrange, can reach equally the object that reduces bodywork height.
Because leaf spring 5 play the guiding role jointly with lateral rod 4, bear horizontal force, therefore can only need a pair of lateral rod 4 can meet the requirement of strength of the utility model independent rear suspension of vehicle.Certainly adopt multipair lateral rod 4 also can reach requirement of strength.
Preferably, the cross-sectional plane of leaf spring 5 preferably adopts circle or square-section, adopts the design of circle or square-section, can facilitate the installation between leaf spring 5 and permanent seat 6, and the stress equilibrium while being also conducive to leaf spring 5 stress deformation distributes simultaneously.
Preferably, leaf spring 5 adopts carbon fibre leaf spring, mainly because the quality of carbon fibre plate is approximately 1/4 of general steel plate, and intensity can reach 10 times of general steel plate, the characteristics such as the high-tensile of employing carbon fibre leaf spring, lower density, can make that independent rear suspension of vehicle quality of the present utility model is light, elastic deformation amount is large, load-carrying capacity is high, finally improve driver comfort and the safety factor of automobile.Certainly, leaf spring 5 of the present utility model also can be selected general steel plate, but its weight lays particular stress on.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to most preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. an independent rear suspension of vehicle, comprise two steering swivels, two bumpers that are connected with one end of two described steering swivels respectively, the lateral rod and the longitudinal rod that are all connected with the other end of two described steering swivels, it is characterized in that, described independent rear suspension of vehicle also comprises the leaf spring of a lateral arrangement, and described leaf spring two ends are connected with the other end of two described steering swivels respectively, and the middle part of described leaf spring is fixed by two permanent seats.
2. independent rear suspension of vehicle according to claim 1, is characterized in that, two described permanent seats are symmetrical along longitudinal axis of symmetry of left and right wheels.
3. independent rear suspension of vehicle according to claim 2, is characterized in that, the spacing between two described permanent seats is the 1/4-1/3 of described leaf spring length.
4. independent rear suspension of vehicle according to claim 3, is characterized in that, two described permanent seats are fixedly connected with vehicle body by bolt.
5. independent rear suspension of vehicle according to claim 1, is characterized in that, described bumper along the longitudinal direction rear-inclined is arranged.
6. independent rear suspension of vehicle according to claim 1, is characterized in that, described lateral rod has at least one pair of.
7. independent rear suspension of vehicle according to claim 1, is characterized in that, the cross-sectional plane of described leaf spring is circular or square.
8. independent rear suspension of vehicle according to claim 1, is characterized in that, described leaf spring is carbon fibre leaf spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472218.8U CN203401898U (en) | 2013-08-02 | 2013-08-02 | Automobile rear independent suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472218.8U CN203401898U (en) | 2013-08-02 | 2013-08-02 | Automobile rear independent suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203401898U true CN203401898U (en) | 2014-01-22 |
Family
ID=49937839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320472218.8U Expired - Lifetime CN203401898U (en) | 2013-08-02 | 2013-08-02 | Automobile rear independent suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203401898U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385869A (en) * | 2014-11-21 | 2015-03-04 | 衡阳合力工业车辆有限公司 | Side forklift and suspension structure thereof |
| CN108422823A (en) * | 2018-03-21 | 2018-08-21 | 万向钱潮股份有限公司 | A kind of independent suspension using tilting leaf spring |
| CN109070671A (en) * | 2016-05-03 | 2018-12-21 | 宝马股份公司 | Independent suspension for vehicle with the guiding leaf spring element of the wheel made of fibrous composite |
| TWI661961B (en) * | 2016-02-05 | 2019-06-11 | 財團法人工業技術研究院 | Backup apparatus for auxiliary steering of vehicle |
| CN110077187A (en) * | 2019-05-13 | 2019-08-02 | 杭州傲拓迈科技有限公司 | A kind of high bearing capacity vehicle platform |
| CN110733306A (en) * | 2019-10-17 | 2020-01-31 | 坤泰车辆系统（常州）有限公司 | Highly integrated dependent rear suspension |
| CN113602049A (en) * | 2021-08-06 | 2021-11-05 | 奇瑞商用车（安徽）有限公司 | Front suspension structure of automobile |
| CN113978198A (en) * | 2021-11-02 | 2022-01-28 | 盐城工学院 | Guiding device for independent suspension of automobile |
-
2013
- 2013-08-02 CN CN201320472218.8U patent/CN203401898U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385869A (en) * | 2014-11-21 | 2015-03-04 | 衡阳合力工业车辆有限公司 | Side forklift and suspension structure thereof |
| CN104385869B (en) * | 2014-11-21 | 2018-04-20 | 衡阳合力工业车辆有限公司 | A kind of side forklift and its suspension frame structure |
| TWI661961B (en) * | 2016-02-05 | 2019-06-11 | 財團法人工業技術研究院 | Backup apparatus for auxiliary steering of vehicle |
| CN109070671A (en) * | 2016-05-03 | 2018-12-21 | 宝马股份公司 | Independent suspension for vehicle with the guiding leaf spring element of the wheel made of fibrous composite |
| CN108422823A (en) * | 2018-03-21 | 2018-08-21 | 万向钱潮股份有限公司 | A kind of independent suspension using tilting leaf spring |
| CN110077187A (en) * | 2019-05-13 | 2019-08-02 | 杭州傲拓迈科技有限公司 | A kind of high bearing capacity vehicle platform |
| CN110733306A (en) * | 2019-10-17 | 2020-01-31 | 坤泰车辆系统（常州）有限公司 | Highly integrated dependent rear suspension |
| CN113602049A (en) * | 2021-08-06 | 2021-11-05 | 奇瑞商用车（安徽）有限公司 | Front suspension structure of automobile |
| CN113978198A (en) * | 2021-11-02 | 2022-01-28 | 盐城工学院 | Guiding device for independent suspension of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |
|
| CX01 | Expiry of patent term |