CN202911493U - Torsion beam rear suspension - Google Patents
Torsion beam rear suspension Download PDFInfo
- Publication number
- CN202911493U CN202911493U CN 201220577557 CN201220577557U CN202911493U CN 202911493 U CN202911493 U CN 202911493U CN 201220577557 CN201220577557 CN 201220577557 CN 201220577557 U CN201220577557 U CN 201220577557U CN 202911493 U CN202911493 U CN 202911493U
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- CN
- China
- Prior art keywords
- trailing arm
- rear suspension
- torsion beam
- crossbeam
- beam rear
- 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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Abstract
Provided is a torsion beam rear suspension. The torsion beam rear suspension comprises a transverse beam, trailing arms, sleeve tubes, vehicle wheel mounting brackets and spring mounting plates, wherein the trailing arms are arranged on two sides of the transverse beam, the sleeve tubes are arranged at one ends of the trailing arms, the vehicle mounting brackets are arranged at the other ends of the trailing arms, shock absorber mounting brackets are arranged on the vehicle wheel mounting brackets, the spring mounting plates are respectively connected with the transverse beam and the trailing arms, and spring plate bases are arranged on the back faces of the spring mounting plate. According to the torsion beam rear suspension, torsional rigidity of the rear suspension, the ability of lateral force turning and the ability of braking nodding resistance are improved, at the same time, weight is reduced due to the fact that the trailing arms are shortened, a reinforcing plate is added on the transverse beam, stress distribution is changed, and therefore anti-fatigue ability is improved, full vehicle safety coefficient is increased, and usage risks for users are reduced.
Description
Technical field
The utility model relates to the automobile chassis suspension structure, particularly a kind of short trailing arm torsion beam rear suspension.
Background technology
Rear suspension structure for torsion beam is widely used in the vehicle of low cost, close-coupled at present.In the vehicle operating process, the chassis suspension system need to absorb the vibrations from ground, satisfies the passenger to the requirement of ride comfort, and the requirement of the road-holding property such as the inclination that produces of wheel bounce and both sides wheel counter motion, understeering.Simultaneously, come from recurrent load under the different operating modes in different road surfaces because suspension need to bear, rear suspension structure for torsion beam also needs to satisfy rigidity, intensity and life requirements.In addition, lighter torsion beam has better fuel economy and cost advantage, and therefore in the design process of torsion beam, weight also is the key factor that can not ignore.
Existing torsion beam structure comprises: the both sides trailing arm links to each other with vehicle body by lining, article two, trailing arm is connected by a crossbeam, the length of trailing arm is grown (approximately 420 millimeters～440 millimeters), crossbeam and lining need to maintain a certain distance and could satisfy the requirement that rolls gradient, spring holder and trailing arm are independently taken, and the bumper subpanel is connected with spring holder.Trailing arm is generally 4 millimeters～6 millimeters of thickness, and the tubular structure that diameter is 60 millimeters～100 millimeters, long trailing arm both so that torsion beam weight lays particular stress on, also made roll rate and anti-pitching ability also descend thereupon, but preferably distribution of stress and anti-fatigue ability are arranged.Need to be to the torsion beam structure constantly perfect, final searching can realize the girder construction of turning round of above-mentioned multiple-objection optimization.
The utility model content
The utility model provides a kind of and has improved performance, avoided the torsion beam rear suspension of intensity and tired risk.
For solving the problems of the technologies described above, the utility model torsion beam rear suspension comprises: crossbeam; Trailing arm, described trailing arm is arranged on the both sides of described crossbeam; Sleeve pipe, described sleeve pipe are arranged on an end of described trailing arm; The wheel mounting bracket, described wheel mounting bracket is arranged on the other end of described trailing arm, is provided with shock absorber installing bracket at described wheel mounting bracket; And spring mount disc, described spring mount disc is connected with described crossbeam and described trailing arm respectively, is provided with the spring holder base at the back side of described spring mount disc.
Preferably on described crossbeam and described trailing arm, also be provided with the crossbeam upper reinforcing plate.Be provided with the crossbeam lower reinforcing plate in the inboard of described crossbeam.Described trailing arm line of centers becomes 25 ° of angles with horizon.The length of described trailing arm is 380 millimeters～420 millimeters.Distance between the point of connection of described crossbeam and described trailing arm and the described sleeve pipe is required to be 170 millimeters～190 millimeters.
The size that the utility model torsion beam rear suspension has dwindled trailing arm, front end is connected with body support by the rigid casing with angle, and the shortening of trailing arm has reduced the side-looking angle of suspension, has promoted the ride comfort of vehicle.During braking, short trailing arm has better antidive ability.
Crossbeam is mobile backward, and raising and raise with trailing arm.The shear center Z-direction coordinate of section of beam becomes large like this, increased roll steer and upper redirect to, be conducive to increase the trend of understeering, obtain better road-holding property.Simultaneously, crossbeam after move the expansion that also is conducive to arrangement space.Crossbeam is relative with the transverse distance of vehicle body lining simultaneously reduces, and has increased roll rate, improves the inclination gradient of car load.
Move overlap joint when having realized spring holder and crossbeam, trailing arm behind the crossbeam, so that the lateral rigidity of whole rear suspension significantly promotes, be conducive to reduce rear suspension lateral deviation flexibility, thereby promote the corresponding time that turns to of car load.Changed simultaneously and turned round the deck-molding stress area, improved the fatigue resistance of torsion beam.
The shock absorber mounting seat is connected with trailing arm, makes the load actv. by shock absorber pass to trailing arm, avoids exceedingly passing to crossbeam by spring holder.
Description of drawings
Fig. 1 is the utility model rear suspension structure for torsion beam schematic diagram;
Fig. 2 is the utility model torsion beam rear suspension upward view;
Description of reference numerals in the utility model torsion beam rear suspension accompanying drawing:
1-sleeve pipe 2-trailing arm 3-crossbeam upper reinforcing plate
4-spring mount disc 5-wheel mounting bracket 6-shock absorber installing bracket
7-crossbeam 8-spring holder base 9-crossbeam lower reinforcing plate
The specific embodiment
Below in conjunction with accompanying drawing the utility model torsion beam rear suspension is described in further detail.
As shown in Figure 1, the utility model torsion beam rear suspension, comprise: crossbeam 7 and be connected to the rear trailing arm 2 that the blanked part at two ends, crossbeam 7 left and right sides consists of, be welded with the spring mount disc 4 that is connected with suspension at left and right sides trailing arm 2, trailing arm 2 assemblies in the left and right sides select round steel pipe to make, arrange along the axletree fore-and-aft direction, by sleeve pipe 1 installation that links to each other with vehicle body.Trailing arm 2 front ends are provided with the lining sleeve pipe 1 that is connected with vehicle body, and the line of centers of sleeve pipe 1 becomes 25 ° of angles with horizon.Work as Ackermann steer angle, wheel ground connection place is subject to the effect of side force, and the torsion beam back axle is around the intersection point rotation of left and right sides sleeve centerline vertical line, so that car load has the trend of understeering.
Trailing arm 2 foreshortens to 400 millimeters, mobile 30 millimeters backward on crossbeam 7, and crossbeam 7 directly overlaps entablatrance upper reinforcing plate 3 with trailing arm 2, has promoted the torsional stiffness of torsion beam, and spring mount disc 4 has increased the lateral rigidity of turning round beam respectively at trailing arm 2 and crossbeam 7 overlap joints.Shorter trailing arm 2 length reduce side force and turn to, so that car load has the trend of understeering, simultaneously, the shortening of trailing arm 2 also is conducive to promote flexible longitudinally, improves the ability of rear suspension antidive.
As shown in Figure 2, be provided with spring holder base 8 at the back side of spring mount disc 4, the inboard of crossbeam 7 is welded with a main beam transverse lower reinforcing plate 9, and the length of crossbeam lower reinforcing plate 9 can be regulated, thereby so that torsion beam has different rigidity, thereby be suitable for different vehicles.
The size that the utility model torsion beam rear suspension has dwindled trailing arm, front end is connected with body support by the rigid casing with angle, and the shortening of trailing arm has reduced the side-looking angle of suspension, has promoted the ride comfort of vehicle.During braking, short trailing arm has better antidive ability.
Crossbeam is mobile backward, and raising and raise with trailing arm.The shear center Z-direction coordinate of section of beam becomes large like this, increased roll steer and upper redirect to, be conducive to increase the trend of understeering, obtain better road-holding property.Simultaneously, crossbeam after move the expansion that also is conducive to arrangement space.Crossbeam is relative with the transverse distance of vehicle body lining simultaneously reduces, and has increased roll rate, improves the inclination gradient of car load.
Move overlap joint when having realized spring holder and crossbeam, trailing arm behind the crossbeam, so that the lateral rigidity of whole rear suspension significantly promotes, be conducive to reduce rear suspension lateral deviation flexibility, thereby promote the corresponding time that turns to of car load.Changed simultaneously and turned round the deck-molding stress area, improved the fatigue resistance of torsion beam.
The shock absorber mounting seat is connected with trailing arm, makes the load actv. by shock absorber pass to trailing arm, avoids exceedingly passing to crossbeam by spring holder.
The preferred embodiment of below the utility model having been created specifies, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the utility model creative spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (6)
1. the torsion beam rear suspension is characterized in that, comprising:
Crossbeam;
Trailing arm, described trailing arm is arranged on the both sides of described crossbeam;
Sleeve pipe, described sleeve pipe are arranged on an end of described trailing arm;
The wheel mounting bracket, described wheel mounting bracket is arranged on the other end of described trailing arm, is provided with shock absorber installing bracket at described wheel mounting bracket; And
Spring mount disc, described spring mount disc is connected with described crossbeam and described trailing arm respectively, is provided with the spring holder base at the back side of described spring mount disc.
2. torsion beam rear suspension according to claim 1 is characterized in that, also is provided with the crossbeam upper reinforcing plate on described crossbeam and described trailing arm.
3. torsion beam rear suspension according to claim 1 and 2 is characterized in that, is provided with the crossbeam lower reinforcing plate in the inboard of described crossbeam.
4. torsion beam rear suspension according to claim 1 is characterized in that, described trailing arm line of centers becomes 25 ° of angles with horizon.
5. torsion beam rear suspension according to claim 1 is characterized in that, the length of described trailing arm is 380 millimeters～420 millimeters.
6. torsion beam rear suspension according to claim 1 is characterized in that, the distance between the point of connection of described crossbeam and described trailing arm and the described sleeve pipe is required to be 170 millimeters～190 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577557 CN202911493U (en) | 2012-11-05 | 2012-11-05 | Torsion beam rear suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577557 CN202911493U (en) | 2012-11-05 | 2012-11-05 | Torsion beam rear suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202911493U true CN202911493U (en) | 2013-05-01 |
Family
ID=48159828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220577557 Expired - Fee Related CN202911493U (en) | 2012-11-05 | 2012-11-05 | Torsion beam rear suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202911493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589942A (en) * | 2015-02-02 | 2015-05-06 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Torsion beam semi-independent suspension structure |
| CN106347053A (en) * | 2016-11-08 | 2017-01-25 | 安徽江淮汽车股份有限公司 | Torsion beam automobile axle and automobile |
-
2012
- 2012-11-05 CN CN 201220577557 patent/CN202911493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589942A (en) * | 2015-02-02 | 2015-05-06 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Torsion beam semi-independent suspension structure |
| CN106347053A (en) * | 2016-11-08 | 2017-01-25 | 安徽江淮汽车股份有限公司 | Torsion beam automobile axle and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20201105 |