CN201102453Y - Automotive rear suspension system - Google Patents
Automotive rear suspension system Download PDFInfo
- Publication number
- CN201102453Y CN201102453Y CNU2007200752507U CN200720075250U CN201102453Y CN 201102453 Y CN201102453 Y CN 201102453Y CN U2007200752507 U CNU2007200752507 U CN U2007200752507U CN 200720075250 U CN200720075250 U CN 200720075250U CN 201102453 Y CN201102453 Y CN 201102453Y
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- vehicle
- automobile
- trailing arm
- suspension system
- secondary frame
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- Expired - Lifetime
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Abstract
A rear suspension system of a vehicle is provided, which has the advantage of compact structure and can improve the handing stability and the ride comfort of the vehicle. The rear suspension system includes a spiral spring and a shock absorber which are connected with the body of the vehicle and also includes a rear underframe which is connected with the body of the vehicle. The rear underframe is equipped with a central stent and two connecting stents which extend symmetrically from two ends of the central stent. The rear suspension system also includes two rear up-swing arms, two rear vertical-swing arms and two rear down-swing arms. The two rear up-swing arms, the two rear vertical-swing arms and the two rear down-swing arms are respectively arranged on two sides of the rear underframe symmetrically. Two ends of every rear up-swing arm are respectively equipped with the central stent and one end of every rear vertical-swing arm on one side of the rear underframe. The rear down-swing arms are arranged under the rear up-swing arms and two ends of every rear down-swing arm are connected with the central stent and one end of every rear vertical-swing arm. The other ends of the rear vertical-swing arms are connected with one connecting stent and one ends of the rear vertical-swing arms are connected with hub core shafts of wheels of the vehicle.
Description
Technical field
The utility model relates to a kind of car chassis, the rear-suspension system of a kind of automobile of more specifically saying so.
Background technology
The four-wheel location of suspension is regulated parameter and is mainly comprised camber angle, angle of toein etc., and these characteristic parameters are to the stable enforcement performance of vehicle, and bend is controlled the characteristic important influence.The rear suspension of current domestic automobile is generally all based on semi-independent formula suspension, it is simple in structure, the main utilization is contained in that the distortion of rubber bush reaches certain variable angle of toein angle and follow-up steering function on the suspension, but the top priority of rubber bush still works to connect suspension and isolated vibrations, so rigidity can not be low excessively.This just causes the limitation to variable toe-in and follow-up steering, only can obtain a very little angle.
In addition, the rear suspension of the semi-independent formula suspension of this tradition is on shock absorber and helical spring arrangement structure, usually adopt coaxial arrangement, just be contained on the coil spring in the spring seat of honour on the vehicle frame, its following is bearing on the spring lower seat of shock absorber shell, figuratively speaking be coil spring " cover " on the shell of cylinder type damper, cause this arrangement structure cumbersome in when maintenance.
In addition, the suspension arrangement form is to the space of luggage of vehicle, and the arrangement space of fuel tank has very big influence, and a lot of automobiles are in that to have to the reduction arrangement space be cost in order to satisfy vehicle performance.
The utility model content
The purpose of this utility model provides the rear-suspension system that a kind of compact conformation but can improve road-holding property and travelling comfort and automobile easy to maintenance.
For reaching above-mentioned purpose, the rear-suspension system of automobile of the present utility model, the coil spring and the shock absorber that comprise the vehicle body that connects automobile, be characterized in, also comprise: with the Rear secondary frame for vehicle that the vehicle body of automobile links to each other, the two connection supports that described Rear secondary frame for vehicle has central bracket and stretches out symmetrically from described central bracket two ends; Top link after two, trailing arm after two, and swing arm down after two; Wherein, after described two top link, back trailing arm, back down swing arm be installed on the both sides of described Rear secondary frame for vehicle respectively symmetrically; Side at described Rear secondary frame for vehicle, the two ends of described back top link connect the described central bracket of described Rear secondary frame for vehicle and an end of described back trailing arm respectively, described back swing arm down is positioned at the below of described back top link and the central bracket that its two ends connect described Rear secondary frame for vehicle respectively and a described end of described back trailing arm, the other end of described back trailing arm connects a described connection support of described Rear secondary frame for vehicle, and a described end of described back trailing arm has the wheel hub mandrel of the wheel that is connected to automobile.
According to above-mentioned conception of the present utility model, be preferably, described back top link is to be connected with the described central bracket of described Rear secondary frame for vehicle by eccentric bolt, to regulate the camber angle of described rear-suspension system.
According to above-mentioned conception of the present utility model, be preferably, described back top link also comprises a reinforced rib, interior connection ball and socket, a lining.
According to above-mentioned conception of the present utility model, be preferably, described back top link is the high strength steel manufacturing, and described reinforced rib is welded on the top link of described back, and the one end is assemblied on the described Rear secondary frame for vehicle by interior connection ball and socket, and its other end is connected on the trailing arm of described back by lining.
According to above-mentioned conception of the present utility model, be preferably, described back trailing arm has a back trailing arm lining, the two ends of described back trailing arm lining are provided with oblique regulating tank, and the described oblique regulating tank of described back trailing arm by described back trailing arm lining and described Rear secondary frame for vehicle be connected the support connection.
According to above-mentioned conception of the present utility model, be preferably, described shock absorber is installed on the described back trailing arm and the one end links to each other with described vehicle body, and described coil spring is installed between the following swing arm of described vehicle body and described back.
According to above-mentioned conception of the present utility model, be preferably, described back is formed with circular projection in the swing arm down, described coil spring has on one vibration isolating pad and vibration isolating pad once, the bottom of described following vibration isolating pad is formed with groove, and the groove of described vibration isolating pad down is connected with the circular projection of the following swing arm in described back.
According to above-mentioned conception of the present utility model, be preferably, be formed with four attachment points on the described Rear secondary frame for vehicle, described Rear secondary frame for vehicle links to each other with the vehicle body of automobile by described attachment point, two described attachment points are formed at the free end of described connection support, and other two described attachment points are formed at the arm centre portion of described connection support.
The rear-suspension system of aforesaid automobile of the present utility model adopts the spacing multi-connecting-rod mechanism that is made up of swing arm under back top link, Rear secondary frame for vehicle, the back and back trailing arm, has made full use of the inner space of vehicle body, is convenient to the maintenance of rear-suspension system.Configuration by this multi-connecting-rod mechanism, can adjust camber angle, angle of toein easily and make trailing wheel obtain certain steering angle, can realize high flare rigidity and about the optimization of flexible deflection, thereby thereby bring into play the stability of travelling and controlling that the tire earth-grasping force improves car load to greatest extent, response performance when having improved the conversion travel way, improve tire travel path up and down, increased comfort level by bus.In addition, also can be to rear shock absorber and the coil spring arrangement form of independent parallel separately, thus help increasing the compact of structure, make vehicle that the baggage compartment floor of lower and broad can be arranged, thereby make the space maximization of baggage container, and also provide bigger arrangement space for oil tank of vehicle.
Should be appreciated that the above generality of the utility model is described and the following detailed description all is exemplary and explanat, and be intended to clearlyer understand the utility model and further explanation is provided.
Description of drawings
For further specifying above-mentioned purpose of the present utility model, constructional feature and effect, below with reference to accompanying drawing the utility model is described in detail, accompanying drawing shows embodiment of the present utility model, and plays the effect of explaining the utility model principle with this specification sheets, in the accompanying drawing:
Fig. 1 is the perspective view according to the rear-suspension system of automobile of the present utility model;
Fig. 2 is the decomposing schematic representation according to the rear-suspension system of automobile of the present utility model;
Fig. 3 is the three-dimensional structure diagram of the back trailing arm among Fig. 2;
Fig. 4 a is the front view of the Rear secondary frame for vehicle among Fig. 2;
Fig. 4 b is the front elevation of the Rear secondary frame for vehicle among Fig. 4 a.
The specific embodiment
Now will be in detail with reference to preferred embodiment of the present utility model, its example is shown in the drawings.In the case of any possible, in institute's drawings attached, will use identical mark to represent same or analogous part.In addition, although employed term is to select from public term in the utility model, but some mentioned term then is that the applicant judges by it and selects in the utility model specification sheets, and its detailed meanings illustrates in the relevant portion of the description of this paper.In addition, require not only by employed actual terms, but also will understand the utility model by the meaning that each term contained.
Be illustrated in figure 1 as the perspective view of the rear-suspension system of automobile of the present utility model, Fig. 2 is the decomposing schematic representation of the rear-suspension system of automobile, for simplicity, for simplicity, except Rear secondary frame for vehicle 26 is the single part with back Panhard rod 17, miscellaneous part is because of all having corresponding parts in left part, and Fig. 2 has only represented the scheme drawing of the left-half of the rear-suspension system among Fig. 1, has omitted the antimeric structure on its right side.
As shown in Figure 1, 2, Rear secondary frame for vehicle have central bracket 26a, the connecting portion 26b that forms symmetrically at central bracket 26a two ends and 26c and stretch out symmetrically at central bracket 26a two ends two be connected support 26d and 26e; Provide four attachment point 23a-23d on the Rear secondary frame for vehicle 26, can support by some bolts 25 and body contact, wherein, attachment point 23a is separately positioned on the free end that is connected support 26d and 26e with 23d, attachment point 23b is separately positioned on the arm centre portion that is connected support 26d and 26e with 23c, thereby Rear secondary frame for vehicle 26 can be controlled the body roll that side force causes, and with the decay road rumble, and provides the installation site of all sprung partss.
One end of back top link 5 is connected with Rear secondary frame for vehicle 26 with packing ring 12 by eccentric bolt 13, be provided with ball and socket 11 in this end, eccentric bolt 13 passes ball and socket 11, thereby be linked and packed in the connecting portion 26b of the central bracket 26a of Rear secondary frame for vehicle 26, and cooperate eccentric bolts 13 to tighten with nut 10, thereby making afterwards, top link 5 can not break away from Rear secondary frame for vehicle 26 and can rotate with respect to connecting portion 26b, and by the placement location of rotation adjustment adjusting eccentric bolt 13 heads, the camber angle that can regulate suspension easily; In addition, back top link 5 links to each other with the end of packing ring 3 with back trailing arm 8 by bolt 4 again, and promptly the other end at back top link 5 is provided with lining 2, and bolt 4 passes lining 2 and tightens with nut 1.In the present embodiment, preferably, back top link 5 can greatly improve the intensity of part by the high strength steel manufacturing at the reinforced rib 5a of upside welding.
Similarly, a back end of swing arm 33 down is provided with lining 27, bolt 28 makes a described end of swing arm 33 under the back be connected with the end of the central vehicle frame 26a of Rear secondary frame for vehicle 26 by lining 27, back swing arm 33 other ends down is provided with ball pivot 35, bolt 34 is by ball pivot 35, and tightens with nut 36, is connected with the back described end of trailing arm 8 from bottom arm 33 then, should be noted that back swing arm 33 down separates and can relatively rotate with Rear secondary frame for vehicle 26, trailing arm 8 neither meetings afterwards.In the present embodiment, preferably, back swing arm 33 down is by the high-strength steel stamping moulding.
Simultaneously with reference to Fig. 3 and Fig. 4 a, Fig. 4 b, the other end of back trailing arm 8 be provided with rear-swing arm lining 7, the two ends of rear-swing arm lining 7 are formed with a pair of oblique regulating tank 9a, the free end of the connection support 26d of Rear secondary frame for vehicle 26 connects the described other end of trailing arm 8 afterwards by the oblique regulating tank 9a that pair of bolts 9 ' a passes respectively on the rear-swing arm lining 7, and tighten connection with nut 9, utilize the oblique regulating tank 9a of back trailing arm lining 9, can set the angle of toein of rear-suspension system easily.
As Fig. 1 or shown in Figure 2, the rear-suspension system of present embodiment is the wheel that connects automobile by the wheel hub mandrel 37 of back trailing arm 8; Preferably, front and back panel that back trailing arm 8 is stamped to form for high tensile steel plate and middle brace panel welding assembly, prevent that car brakeing is unstable at the toe-in of may command vehicle, can make vehicle that lower roll center is arranged, and suitable camber angle can be provided.
Back Panhard rod 17 is connected in back trailing arm 8 by rear stabilizer bar connecting rod 15, is connected in the following rear portion of Rear secondary frame for vehicle 26 with two rear stabilizer bar clamps 18 and rear stabilizer bar lining 19, and utilizes screw 20 fixing.
Described as seen by said structure, swing arm 33 and back trailing arm 8 have constituted a spacing multi-connecting-rod mechanism under the connection support 26d of the central bracket 26a of back top link 5, Rear secondary frame for vehicle 26, Rear secondary frame for vehicle 26, the back.
Because the described spacing multi-connecting-rod mechanism that the utility model provides, rear shock absorber 6 and coil spring 31 are separable and be provided with independently.
Continue to see figures.1.and.2, rear shock absorber 6 is connected on the trailing arm 8 of back by bolt 29, and top is connected in vehicle body (not shown) by bolt, and preferably, rear shock absorber 6 is a bitubular type structure, can inflate and refuel, and has the resilience damping of vibrations.
Should be noted that described lining 27 with 2 and interior structure, shape and the function herein that is connected ball and socket 11 and 35 for one of ordinary skill in the art, should be able to from prior art, draw according to above-mentioned instruction, do not give unnecessary details at this.
As mentioned above, the rear-suspension system of automobile of the present utility model is formed with the spacing multi-connecting-rod mechanism that is made up of the connection support of the central bracket of back top link, Rear secondary frame for vehicle, Rear secondary frame for vehicle, back swing arm down, back trailing arm, position and connection mode by such each connecting rod of layout, rear shock absorber and the coil spring arranged in form of independent parallel separately can be convenient to the maintenance of rear-suspension system; And, configuration by this multi-connecting-rod mechanism, be convenient to regulate suspension performance parameters such as camber angle that rear-suspension system is set, angle of toein, thereby greatly improved the stability that travelling of car load controlled, response performance when also having improved the conversion travel way simultaneously, improve tire travel path up and down, increased comfort level by bus; In addition, the spatial destribution position of suspension has greatly been optimized in the design of this rear-suspension system, helps increasing the compact of structure, makes vehicle that the baggage compartment floor of lower and broad can be arranged, and the bigger design space of providing of baggage container and fuel tank is provided.
Though the utility model is described with reference to current specific embodiment; but those of ordinary skill in the art will be appreciated that; flesh and blood of the present utility model is the spatial destribution of the many connecting rods in the suspension system; above embodiment is used for illustrating this flesh and blood; under the situation that does not break away from the utility model spirit, also can make the variation or the replacement of various equivalences; such as; one of ordinary skill in the art also can adopt coaxial arrangement with rear shock absorber 6 in the rear-suspension system in the above-described embodiments and coil spring 31; coil spring 31 can also be arranged on the top link 5 of back; suchlike variation or replacement can't be exhaustive, only otherwise break away from this flesh and blood of the present utility model and to the variation of the foregoing description; modification all will drop on as in claims of the application scope required for protection.
Claims (9)
1. the rear-suspension system of an automobile, the coil spring and the shock absorber that comprise the vehicle body that connects automobile, it is characterized in that, also comprise: with the Rear secondary frame for vehicle that the vehicle body of automobile links to each other, the two connection supports that described Rear secondary frame for vehicle has central bracket and stretches out symmetrically from described central bracket two ends; Top link after two, trailing arm after two, and swing arm down after two; Wherein,
Top link, back trailing arm, the following swing arm in back are installed on the both sides of described Rear secondary frame for vehicle respectively symmetrically after described two;
Side at described Rear secondary frame for vehicle, the two ends of described back top link connect the described central bracket of described Rear secondary frame for vehicle and an end of described back trailing arm respectively, described back swing arm down is positioned at the below of described back top link and the central bracket that its two ends connect described Rear secondary frame for vehicle respectively and a described end of described back trailing arm, the other end of described back trailing arm connects a described connection support of described Rear secondary frame for vehicle, and a described end of described back trailing arm has the wheel hub mandrel of the wheel that is connected to automobile.
2. the rear-suspension system of automobile as claimed in claim 1 is characterized in that: described back top link is to be connected with the described central bracket of described Rear secondary frame for vehicle by eccentric bolt, to regulate the camber angle of described rear-suspension system.
3. the rear-suspension system of automobile as claimed in claim 1 is characterized in that: described back top link also comprises a reinforced rib, interior connection ball and socket, a lining.
4, the rear-suspension system of automobile as claimed in claim 3, it is characterized in that: described reinforced rib is welded on the top link of described back, and the one end is assemblied on the described Rear secondary frame for vehicle by interior connection ball and socket, and its other end is connected on the trailing arm of described back by lining.
5, the rear-suspension system of automobile as claimed in claim 1, it is characterized in that: described back trailing arm has a back trailing arm lining, the two ends of described back trailing arm lining are provided with oblique regulating tank, and the described oblique regulating tank of described back trailing arm by described back trailing arm lining and described Rear secondary frame for vehicle be connected the support connection.
6, the rear-suspension system of automobile as claimed in claim 1 is characterized in that: described back trailing arm is front and back panel and the middle brace panel welding assembly that high tensile steel plate is stamped to form.
7, the rear-suspension system of automobile as claimed in claim 1 is characterized in that: described shock absorber is installed on the described back trailing arm and the one end links to each other with described vehicle body, and described coil spring is installed between the following swing arm of described vehicle body and described back.
8, the rear-suspension system of automobile as claimed in claim 7, it is characterized in that: described back is formed with circular projection in the swing arm down, described coil spring has on one vibration isolating pad and vibration isolating pad once, the bottom of described following vibration isolating pad is formed with groove, and the groove of described vibration isolating pad down is connected with the circular projection of the following swing arm in described back.
9, the rear-suspension system of automobile as claimed in claim 1, it is characterized in that: be formed with four attachment points on the described Rear secondary frame for vehicle, described Rear secondary frame for vehicle links to each other with the vehicle body of automobile by described attachment point, two described attachment points are formed at the free end of described connection support, and other two described attachment points are formed at the arm centre portion of described connection support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200752507U CN201102453Y (en) | 2007-09-29 | 2007-09-29 | Automotive rear suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200752507U CN201102453Y (en) | 2007-09-29 | 2007-09-29 | Automotive rear suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201102453Y true CN201102453Y (en) | 2008-08-20 |
Family
ID=39949473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200752507U Expired - Lifetime CN201102453Y (en) | 2007-09-29 | 2007-09-29 | Automotive rear suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201102453Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879849A (en) * | 2010-06-25 | 2010-11-10 | 重庆长安汽车股份有限公司 | Automobile rear independent suspension swing arm mounting bracket assembly |
| CN102358128A (en) * | 2011-08-08 | 2012-02-22 | 合肥车桥有限责任公司 | Front suspension assembly |
| CN104691620A (en) * | 2015-03-02 | 2015-06-10 | 安徽机电职业技术学院 | Reinforcing rod structure of rear auxiliary automotive chassis |
| CN106671721A (en) * | 2015-11-06 | 2017-05-17 | 广州汽车集团股份有限公司 | Vehicle rear suspension system and vehicle with same |
| CN110586995A (en) * | 2019-09-23 | 2019-12-20 | 中南林业科技大学 | Torsion beam wheel hub linking bridge assembly face processingequipment behind car |
-
2007
- 2007-09-29 CN CNU2007200752507U patent/CN201102453Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879849A (en) * | 2010-06-25 | 2010-11-10 | 重庆长安汽车股份有限公司 | Automobile rear independent suspension swing arm mounting bracket assembly |
| CN102358128A (en) * | 2011-08-08 | 2012-02-22 | 合肥车桥有限责任公司 | Front suspension assembly |
| CN104691620A (en) * | 2015-03-02 | 2015-06-10 | 安徽机电职业技术学院 | Reinforcing rod structure of rear auxiliary automotive chassis |
| CN106671721A (en) * | 2015-11-06 | 2017-05-17 | 广州汽车集团股份有限公司 | Vehicle rear suspension system and vehicle with same |
| CN106671721B (en) * | 2015-11-06 | 2019-11-22 | 广州汽车集团股份有限公司 | Vehicle rear suspension system and vehicle with it |
| CN110586995A (en) * | 2019-09-23 | 2019-12-20 | 中南林业科技大学 | Torsion beam wheel hub linking bridge assembly face processingequipment behind car |
| CN110586995B (en) * | 2019-09-23 | 2020-08-07 | 中南林业科技大学 | Torsion beam wheel hub linking bridge assembly face processingequipment behind car |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080820 |