CN100457486C - Wheel suspension system - Google Patents
Wheel suspension system Download PDFInfo
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- CN100457486C CN100457486C CNB200510085238XA CN200510085238A CN100457486C CN 100457486 C CN100457486 C CN 100457486C CN B200510085238X A CNB200510085238X A CN B200510085238XA CN 200510085238 A CN200510085238 A CN 200510085238A CN 100457486 C CN100457486 C CN 100457486C
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- bar shell
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Abstract
A wheel suspension system for suspending wheels rotatably supported by axle members for a vehicle is comprised of a pair of trailing arms (3) which extends in a vehicle longitudinal direction and are connected to the axle members, respective; a pair of torsion bar cases (4) which extend in a vehicle lateral direction and whose lateral outside portion is connected to the trailing arm; a pair of torsion bars (8) which are connected to lateral inside portions of the torsion bar cases and whose lateral outside portions are connected to a vehicle body; and a connecting beam (5) which extends in the vehicle lateral direction and connects the pair of the torsion bar cases.
Description
Technical field
The present invention relates to the suspension system of suspended wheel, and more specifically, relate to and to reduce by the wheel suspension system of road to wheel of vehicle noise that input causes.
Background technology
Day disclosure utility model application 58-12008 proposes a kind of trailing arm type wheel suspension system, in this system, the axletree motion of each wheel is defined in prenex toe-out direction by trailing arm, this trailing arm has the shape of extending at longitudinal direction of car, and, have at longitudinal direction of car from back position to the wideer shape of anteposition.By being positioned at the body support at a two ends, the anterior rotatable of this trailing arm is connected on the axle that lateral direction of car extends.The trailing arm rear portion is by the leaf spring resilient mounting that is arranged under the trailing arm.
Proposed other trailing arm type wheel suspension systems, laterally outside in vehicle body by torque rod joint such as a pair of torsion bar shell that extends at lateral direction of car, this torsion bar extends by dentation and the horizontal internal connection of torsion bar shell and in torsion bar shell lateral outer side direction.Further, the torsion bar shell is laterally inner to be connected with the horizontal in-to-in lower surface of vehicle body by lining, and the front portion of each trailing arm is connected with vehicle body is rotatable.
By the flecition power of utilizing leaf spring or the twisting action power that plays the torsion bar of spring members effect, these suspension systems can stop because the road input is directly delivered to vehicle body in the vibration of wheel and the generation of wheel spindle unit.
Summary of the invention
Yet,,,,, give the floor with transfer of vibration by axle through wheel and axletree transmitting vibrations to be supported on the torsion bar axle of horizontal expansion securely so that axle or torsion bar are connected with lower surface in the horizontal inside of vehicle body owing to arrange suspension system.Therefore, also require these suspension systems further to reduce this transfer of vibration.
Therefore, one object of the present invention is, a kind of like this wheel suspension system is provided, and this system can address the above problem and can reduce crew department's noise, and this noise is caused by the advance input of road of wheel.
One aspect of the present invention is a kind of wheel suspension system of vehicle, is used for hanging by the rotatable supported wheel of axletree parts.Wheel suspension system comprises: a pair of trailing arm is connected in the longitudinal direction of car extension and with described axletree parts respectively; A pair of torsion bar shell, it extends at lateral direction of car, with and laterally the outside be connected with described trailing arm; A pair of torsion bar, with the horizontal internal connection of described torsion bar shell, and the horizontal outside and the body contact of described torsion bar; And the connection crossbeam, it extends at lateral direction of car, and described connection crossbeam has with respect to one of described a pair of torsion bar shell and is fixedly coupled a little and is fixedly coupled a little with respect in the described a pair of torsion bar shell another.
Another aspect of the present invention is a kind of wheel suspension system of vehicle, is used for hanging by the rotatable supported wheel of axletree parts.Wheel suspension system comprises: a pair of trailing arm, extend and be connected with described axletree parts respectively at first direction; A pair of torsion bar shell extends in the second direction perpendicular to first direction, and the outside of described torsion bar shell is connected with described trailing arm; A pair of torsion bar extends in described second direction, and the internal connection of described torsion bar and described torsion bar shell, the outside of described torsion bar and body contact; And the connection crossbeam, extend in described second direction, and connect described a pair of torsion bar shell.
With reference to accompanying drawing, by hereinafter describing other purposes of the present invention and the characteristics of being appreciated that.
Description of drawings
Fig. 1 diagram is according to the wheel suspension system perspective illustration of first embodiment of the invention.
Fig. 2 is the decomposition diagram of the wheel suspension system basic element of character in the pictorial image 1.
Fig. 3 illustrates the plan sketch of wheel suspension system roll steer (roll steer) function of Fig. 1.
Fig. 4 illustrates the schematic back view of the wheel suspension system roll steer function of Fig. 1.
Fig. 5 A is to the scheme drawing of 5D diagram according to the improved type wheel suspension system of embodiment of the present invention.
Fig. 6 A is to the scheme drawing of 6D diagram according to the improved type wheel suspension system of embodiment of the present invention.
Fig. 7 diagram is according to the transparent view of the improved type wheel suspension system of embodiment of the present invention.
Fig. 8 A and 8B are depicted as the scheme drawing according to the improved type wheel suspension system of embodiment of the present invention.
Fig. 9 A and 9B are depicted as the scheme drawing according to the improved type wheel suspension system of embodiment of the present invention.
Figure 10 A and 10B are depicted as the scheme drawing according to the improved type wheel suspension system of embodiment of the present invention.
Figure 11 A is depicted as scheme drawing according to the improved type wheel suspension system of embodiment of the present invention to 11C.
The specific embodiment
Hereinafter, with reference to accompanying drawing embodiments of the present invention are discussed specifically.
Fig. 1 diagram is its oblique front upper place view according to the wheel suspension system scheme drawing of embodiment of the present invention.
Wheel suspension system according to embodiment of the present invention is arranged as: the wheel spindle unit (not shown) and the trailing arm 3 that connect rotatable support wheel W respectively by pedestal 1; By shock absorber 2 and the lining (not shown) that extends in vertical direction, the rear end of each trailing arm 3 is connected with the vehicle body (not shown); The leading section of each trailing arm 3 is connected with the lateral outer side portion of each cylindric torsion bar shell 4, and this torsion bar shell 4 is in the horizontal expansion of vehicle; By dentation etc., a pair of torsion bar 8 is connected with a pair of torsion bar shell 4 respectively; And vehicle body is connected with the horizontal outside of torsion bar 8.This arranges and constitutes a pair of left and right wheels suspension system.
Double-type left and right sides torsion bar shell 4 is connected to each other by connecting crossbeam 5, and this connects crossbeam 5 and extends at lateral direction of car.At this, the connection crossbeam 5 in the embodiment of the invention is box-like shapes of opening in downward direction, as shown in Figure 4.Arrange that by this box-like shape the per unit bending stiffness amount of connection crossbeam 5 is compared with solid type and is improved, and the torsional rigid of connection crossbeam 5 is reduced.Therefore, center of twist can be moved on to more top position and the weight that reduces suspension system.In addition, it is only fixing with torsion bar shell 4 by two ends to connect crossbeam 5, twists connection crossbeam 5 and becomes possibility to run through mode.Therefore, can reduce the torsional capacity that connects crossbeam 5 per unit lengths, and the durability of suspension system improves thus.
Fig. 2 is the decomposing schematic representation of the wheel suspension system basic element of character in the pictorial image 1.This figure observes from position, the oblique front upper place of vehicle.The horizontal inner 4a of each torsion bar shell 4 (not shown) connects by inner covering 6 and inner support 7 with the transverse center notch portion 5a that is connected crossbeam 5.By this layout, compare in free-ended situation with the horizontal inner setting of each torsion bar shell 4, further stable support torsion bar shell 4 and torsion bar 8.
Each cylindric torsion bar shell 4 be connected connecting bridge 4b that crossbeam 5 and each trailing arm 3 be connected and form on the diameter horizontal inside greater than torsion bar shell 4.By welding, connecting bridge 4b is connected with the semicircular cylinder notch portion 3a of semicircular cylinder notch portion 5a and trailing arm 3 respectively, and this semicircular cylinder notch portion 5a is formed at the bottom of the transverse ends that connects crossbeam 5.By forming connecting bridge 4b, make its other parts on diameter greater than torsion bar shell 4, can improve the moment resistance of the weld zone of torsion bar shell 4, connection crossbeam 5 and trailing arm 3.
By dentation, the horizontal inner 8a of each torsion bar 8 is connected with the inner peripheral surface of the horizontal inner 4a of each torsion bar shell 4.The horizontal outside of each torsion bar 8 is rotatably supported by the inner peripheral surface of external bushing 9 at each torsion bar shell 4.By dentation, the horizontal outside 8b of each torsion bar 8 is connected with link 10.Link 10 has hexagonal nut 10a, and it is pressed into the hexagonal screw 11a of outer fabricated section 11.Outer fabricated section 11 extends at longitudinal direction of car, and its leading section is connected with support 13 and the horizontal outer beam of vehicle body by lining 12, and the end also is connected with horizontal outer beam with support 15 by lining 14 thereafter.In addition, between external bushing 9 and link 10, packing ring 16 is set.Link 10 is provided with screw portion 10b, and it is threaded by packing ring 17 with nut 18.By this layout, the horizontal outside and the body contact of each torsion bar 8.
Further, trapeziform reinforcement plate 19 and trailing arm 3 and 4 welding of torsion bar shell are connected with torsion bar shell 4 with trailing arm 3 thus.This layout has improved the connection rigidity between trailing arm 3 and the torsion bar shell 4.
In order to be positioned at the central axis top that center of twist that the transverse center that connects crossbeam 5 partly locates is positioned torsion bar shell 4, by be lower than the central axis of the vertical centre that connects crossbeam 5 around the position, form the circular incision 5a that conforms to torsion bar shell 4 profiles, the central axis of this torsion bar shell 4 is positioned to connect the below of the vertical centre of crossbeam 5, and connects crossbeam 5 and be connected with torsion bar shell 4 by welding.Further, the downside of the transverse center part of connection crossbeam 5 is cut into to trapezoidal.Here, the center of twist that connects crossbeam 5 is such point, promptly when torsion when connecting the axle generation that crossbeam 5 horizontal directions extend, in the cross-sectional plane perpendicular to vehicular transverse direction, vanishing is answered at this some place.
Fig. 3 is the scheme drawing of wheel suspension system roll steer (roll steer) function according to embodiment of the present invention, watches from the suspension system lower position.
Be centrally located in the top of torsion bar shell 4 by the cross torsion that will connect crossbeam 5, and further, be positioned the top of the central axis of each torsion bar 8, the center of oscillation C of each trailing arm 3 be positioned at each torsion bar 8 central axis lateral outer ends C1 and connect on the center of twist C2 line of crossbeam 5, as shown in Figure 4.When vehicle is upspring, trailing arm 3 vertically outstanding towards horizontal outside to trailing portion, and, when the vehicle resilience, playback to inside sidelong.Therefore, vehicle suspension system has the characteristic of roll steer, and as shown in Figure 3 and Figure 4, when bouncing via trailing arm 3 bonded assembly axletree parts and wheel W, it produces prenex, and when its resilience, it produces posterior cord (toe-out).This characteristic causes when turning traffic and turns to deficiency in the process, and has therefore improved vehicle handling and stability.Certainly, this kind layout according to the present invention also is applicable to the rear wheel suspension system.
Owing to arrange that wheel suspension system makes connection crossbeam 5 form at its transverse center part downside and has the shape of otch 5a, can obtain advantage discussed above.In addition, can noise silencer and cartridge be set at this otch 5a place.When designed vehicle further reduces the floor, this layout can be avoided the interference between wheel suspension system and noise silencer and the cartridge, and the degree of freedom that has increased layout.
As shown in Figure 1, the additional torsion bar 20 that plays the stabilizing device effect embeds among the aperture 5b, and this aperture 5b is formed on the transverse ends portion that connects crossbeam 5.Be connected with double-type trailing arm 3 by each torsion bar shell 4 owing to connect crossbeam 5, connect crossbeam 5 and also play the stabilizer rod effect.When in this connection crossbeam 5, being difficult to provide as the required whole torsional rigid of stabilizer rod, embed additional torsion bar 20 in the crossbeam 5 as stabilizing device by connecting at this, the overall torsional rigid that connects crossbeam 5 is improved, and making provides necessary torsional rigid in connecting crossbeam 5.
As shown in Figure 1, in pairs shock absorber 2 is connected with trailing arm 3 respectively, makes each shock absorber 2 relative displacement direction directed in orthogonal direction.For weakening the braking nose dive phenomenon at the car brakeing state, obtain anti-braking nose dive (anti-dive) performance, each shock absorber 2 is set to the state of receding, and makes at longitudinal direction of car, and the upper end of each shock absorber 2 is positioned at the position after lower end position than each shock absorber 2 leans on.Here, the braking nose dive phenomenon is the front side sinkage of vehicle during the car brakeing state.
Fig. 5 B and Fig. 5 D illustrate the improvement embodiment of Fig. 1, Fig. 5 A and Fig. 5 C illustrated embodiment.This improvement is arranged so that connecting crossbeam 5 further comprises a pair of extendible portion 5c, and this extendible portion 5c is connected to two horizontal outsides that connect crossbeam 5, thereby covers torsion bar shell 4 respectively.By welding, connect crossbeam 5 and captive joint in the lateral outer ends of each extendible portion 5c with each torsion bar shell 4, make the point of connection that connects crossbeam 5 and torsion bar shell 4 more near each trailing arm 3.
For the layout shown in Fig. 5 B and Fig. 5 D,, the span of distortion (reversing) part that connects crossbeam 5 is increased by moving the point of connection that connects crossbeam 5 and torsion bar shell 4 towards lateral outer side as far as possible.Therefore, by this layout, even when causing distortion, can reduce the stress that is produced in the connection crossbeam 5 when connecting that crossbeam 5 is upspring by the another one of the resilience of one of this paired trailing arm 3 and this paired trailing arm 3.
Further, Fig. 6 B and Fig. 6 D illustrate another improvement embodiment according to Fig. 1, Fig. 5 A and Fig. 5 C illustrated embodiment.This improvement layout makes that connecting crossbeam 5 forms the shaft-like of mitigation bending, thereby partly projects upwards in transverse center.This improved connection crossbeam 5 is not box-like.Connecting crossbeam 5 is made of the hollow part that the vertical direction at lateral direction of car has rectangular cross section.In addition, connect crossbeam 5 and have a pair of retained part 5d in its two transverse end.Each retained part 5d has drum, covers the outer surface of torsion bar shell 4.
For the layout shown in Fig. 6 B and Fig. 6 D, form connection crossbeam 5 and make transverse center portion be connected to an offside flat part by the part that becomes the gradient slightly respectively.Cause under the situation that connects crossbeam 5 distortions that the mitigation incline structure that connects crossbeam 5 has limited the stress concentration at lateral direction of car distortion major part place upspringing owing to another of in pairs resilience of one of trailing arm 3 and paired trailing arm 3.Further, owing to the center of twist that connects crossbeam 5 can be positioned at the top of the central axis of torsion bar shell 4, can have the roll steer characteristic.
Although discussed above according to suspension system of the present invention described and be illustrated as make each torsion bar shell 4 be connected crossbeam 5 direct connections, this connection can be arranged as shown in Figure 7.More specifically, the axletree parts of each wheel W of rotatable support are connected to each trailing arm 3 by each pedestal 1, and each trailing arm 3 is connected to the horizontal outside (cylindrical shape and in horizontal expansion) of each torsion bar shell 4.Each torsion bar 8 is connected to the horizontal inside (extending in lateral outer side) of torsion bar shell 4.The horizontal outside of each torsion bar 8 is connected to vehicle body by support 11.
A pair of torsion bar shell 4 is connected to connection crossbeam 5 and the trapezoid connecting panel 21 that extends at lateral direction of car, and this connecting panel 21 connects lateral ends and the torsion bar shell 4 that this connects crossbeam 5.
Arrange thus, center of twist can be moved to the position of more leaning on upside, and can reduce suspension system weight.In addition, run through connection crossbeam 5 distortion crossbeams and become possibility.Therefore, can reduce the torsional capacity that connects crossbeam 5 per unit lengths, and the durability of suspension system is improved thus.In addition, layout and following structure above are discussed, can reduce stress concentration, and the durability of suspension system are improved thus connection crossbeam 5 by combination.
More specifically, as shown in Figure 7, crooked this connection crossbeam 5 makes the transverse center that connects crossbeam 5 partly project upwards.As shown in Figure 8, connecting panel 21 be connected crossbeam 5 and locate in one of the lateral ends that connects crossbeam 5 and vertical rearward end, by being welded to connect.As shown in Figure 7 and Figure 8, the lateral length that connects crossbeam 5 is extended, and makes the lateral outer ends that connects crossbeam 5 be positioned at the contiguous place of trailing arm 3.Mark x represents weld zone among Fig. 8.
By arranging connection crossbeam 5, make that as shown in Figure 7 crooked being somebody's turn to do connects crossbeam 5, connection crossbeam 5 transverse center are partly projected upwards, the sloping portion angle that connects crossbeam 5 is more slow with respect to the transverse horizontal direction.Therefore, even make when connecting crossbeam 5 distortions when upspringing owing to the another one of one of paired left and right sides trailing arm 3 resilience and this paired left and right sides trailing arm 3, thus, the transverse shapes that connects crossbeam 5 changes stress concentration partly and obtains restriction.
Connect crossbeam 5 by arranging, make shown in Fig. 8 A and Fig. 8 B, connecting panel 21 be connected crossbeam 5 the lateral ends that connects crossbeam 5 and vertically one of rearward end by being welded to connect, one of longitudinal direction of car two ends of each lateral ends of connection crossbeam 5 can keep as free end, and are not connected with connecting panel 21.Therefore, twist when connecting crossbeam 5, this free end energy side travel, and therefore connect crossbeam 5 in the impartial distortion of horizontal direction.Therefore, because the stress concentration that 5 distortions of connection crossbeam cause obtains restriction.
By arranging connection crossbeam 5, make that shown in Fig. 7, Fig. 8 A and 8B, the lateral length that connects crossbeam 5 is extended, make the lateral outer ends that connects crossbeam 5 be positioned at the approaching place of trailing arm 3, the lateral dimension that connects crossbeam 5 can be arranged to the maximum possible value.Therefore, can reduce by connecting that crossbeam 5 reverses and the range of stress that produces.
Another improvement of Fig. 9 A and Fig. 9 B diagram wheel suspension system according to the present invention.Arrange this improvement to make and form through hole 5f, and pass through hole 5f at the additional torsion bar 22 of horizontal expansion at the sloping portion 5e that connects crossbeam 5.Therefore, the transverse ends portion of additional torsion bar 22 connects by support 23 with the upper surface that is connected crossbeam 5.Additional torsion bar 22 is not fixed to and connects crossbeam 5.Here, sloping portion 5e is such part, from the position that the displacement that partly makes progress towards transverse center begins, to the position that the displacement that makes progress stops.
Because this arrangement compared with layout illustrated in figures 1 and 2, can prolong the lateral dimension of additional torsion bar 22, in this layout illustrated in figures 1 and 2, additional torsion bar 20 is connected crossbeam 5 both ends and connects with box-like.Therefore, play under the situation of stabilizer rod effect, can reduce the stress that produces at additional torsion bar 22 at additional torsion bar 22.In addition, owing to can make the elastic center of additional torsion bar 22 approaching with the elastic center that is connected crossbeam 5, compare with design shown in Figure 1, additional torsion bar 22 is further playing the stabilizing device effect on the function He on the effect.
Another improvement of Figure 10 A and Figure 10 B diagram wheel suspension system according to the present invention.Arrange this improvement to make and form through hole 5f, and pass through hole 5f at the additional torsion bar 22 of horizontal expansion at the sloping portion 5e that connects crossbeam 5.Therefore, the transverse ends portion of additional torsion bar 22 is connected by support 23 with torsion bar shell 4.Hole 5g is formed on the upper surface that connects crossbeam 5, makes support 23 can connect additional torsion bar 22 and torsion bar shell 4.Therefore, additional torsion bar 22 not with is connected crossbeam 5 and fixes.
Because this arrangement can prolong the lateral dimension of additional torsion bar 22, and therefore, play under the situation of stabilizer rod effect at additional torsion bar 22, can reduce the stress that produces at additional torsion bar 22 by reversing.In addition, additional torsion bar 22 is further playing the stabilizing device effect on the function He on the effect.Further, because double-type torsion bar shell 4 directly is connected with additional torsion bar 22, effect is further enhanced additional torsion bar 22 as stabilizer rod.
In embodiment discussed above and improved procedure thereof, between wheel suspension system and vehicle body, be furnished with lining, thereby alleviate Vehicular vibration by the input that reduces the road aspect.Preferred this lining is arranged in according in the wheel suspension system of the present invention, and is as mentioned below.
Shown in Figure 11 A, Figure 11 B and Figure 11 C, cylindrical shape external bushing 9 is arranged in the horizontal outside of torsion bar shell 4 and the horizontal outside of torsion bar 8, and outwards outstanding annular flange part 9a is formed on the horizontal outside of external bushing 9.The flange section 9a of external bushing 9 is clipped between the lateral outer ends and packing ring 16 of torsion bar shell 4, and packing ring 16 is in abutting connection with the lateral outer side setting of the lateral outer ends of torsion bar shell 4.This layout makes that the connection between torsion bar 8 and the vehicle body is same as shown in Figure 2.
Owing to the layout shown in Figure 11 C, can solve the problem that occurs in conventional cylinder lining as Figure 11 A, promptly because lining volume defective, compare with the rigidity of the lining of the perpendicular direction Q of axial P, too little in the rigidity of the lining of axial P.
More specifically, be clipped in by the flange section 9a with external bushing 9 between the transverse end and packing ring 16 of torsion bar shell 4, external bushing 9 is increased to the compression rigidity of the flange section 9a of external bushing 9 in the rigidity of axial P.Because this increase, external bushing 9 is improved in the rigidity of axial P, and therefore the problems referred to above are solved.Generally speaking, consider that for the transfer of vibration that reduces longitudinal direction of car the lining rigidity that is preferably perpendicular to usually on the lining axial direction is little, and, consider that for increasing steering stability the axial bushings rigidity is big.
Further, shown in Figure 11 C, between packing ring 16 and external bushing 9 ends, sliding part 24 is set, to reduce friction force therebetween.The layout that this sliding part 24 has been arranged, the friction force between external bushing 9 ends and the packing ring 16 reduces, and therefore owing to be transported to the transverse force of wheel friction is increased by avoiding, and the rotation of the direction T of torsion bar 8 in Figure 11 C can smooth-goingly be carried out.Correspondingly, improved the driver comfort of vehicle thus.Preferred sliding part 24 is sheet components, is made by " Teflon " trade mark (polytetrafluoroethylene) material, and has canvas sample surface.
The embodiment of this kind layout and improvement thereof according to the present invention, double-type torsion bar shell 4 connects by connecting crossbeam 5, and supports at vehicle body two point of connection places by double-type torsion bar 8, thereby has avoided the horizontal inside of torsion bar shell 4 and the layout that is connected of body platform.Therefore, can stop noise to pass through wheel, axletree parts, trailing arm and torsion bar shell to the body platform transmission from road surface, and, the noise that causes by the road surface input among the crew department stoped thus.Further, be connected with double-type trailing arm 3, connect crossbeam 5 plays the balance vehicle body during vehicle waves stabilizer rod effect owing to connect crossbeam 5.
The application is based on Japanese patent application 2004-334860 number that submits in Japan in Japanese patent application 2004-212922 number that submitted in Japan on July 12nd, 2004 and on November 18th, 2004.Above-mentioned Japanese patent application full content is incorporated this paper by reference into.
Though the present invention is described according to its particular specific embodiment, the present invention is not limited in the foregoing description.To those skilled in the art, can carry out multiple modification and improvement to above-mentioned embodiment according to the above description, or be applied to other field, and not depart from purpose of the present invention, spirit and scope.All these are changed all in appended claim scope of the present invention.
Horizontal outside 9 external bushing 9a flange sections, 10 attaching parts 10a hex nut 10b screw portions, 11 outer installed part (support) 11a hexagonal screws, 12 linings, 13 supports, 14 linings, 15 supports, 16 packing rings, 17 packing rings, 18 nuts, 19 reinforcement plates, 20 additional torsion bar 21 connecting plates 22 additional torsion bar 23 supports 24 sliding parts of the horizontal inner 8b torsion bar of 5d retained part 5e sloping portion 5f through hole 5g hole, 5 connecting cross beam 5a cut out portion (otch) 5b aperture 5c extension, horizontal inner 4b coupling part 6 neck bush, 7 inner supports, the 8 torsion bar 8a torsion bars of Reference numeral list 1 pedestal 2 shock absorbers 3 trailing arm 3a semicircular cylinder cut out portion 4 torsion bar shell 4a torsion bar shells
Claims (17)
1. the wheel suspension system of vehicle is used for hanging by the rotatable supported wheel of axletree parts, comprising:
At a pair of trailing arm (3) that longitudinal direction of car extends, described trailing arm is connected with described axletree parts;
At a pair of torsion bar shell (4) that lateral direction of car extends, described torsion bar shell is included in the horizontal outside that is positioned at the described torsion bar shell outside on the lateral direction of car, and the horizontal outside of described torsion bar shell is connected with described trailing arm;
A pair of torsion bar (8), with the horizontal internal connection of described torsion bar shell, described torsion bar is included in the horizontal outside that is positioned at the described torsion bar outside on the lateral direction of car, and the horizontal outside and the body contact of described torsion bar; And
At the connection crossbeam (5) that described lateral direction of car extends, described connection crossbeam has with respect to one of described a pair of torsion bar shell and is fixedly coupled a little and is fixedly coupled a little with respect in the described a pair of torsion bar shell another, wherein:
Described torsion bar shell is included in the central axis that is positioned at torsion bar shell center position on the vehicle vertical direction perpendicular to lateral direction of car and longitudinal direction of car;
Described connection crossbeam is included in and is positioned at the vertical centre that connects the crossbeam center position on the vertical direction of vehicle; And
The described central axis of described torsion bar shell is positioned at the below of the vertical centre of described connection crossbeam.
2. wheel suspension system according to claim 1, wherein said connection crossbeam is included in and is positioned at the transverse center part that connects the crossbeam center position on the lateral direction of car, and center of twist is positioned at the transverse center part of described connection crossbeam on lateral direction of car, and above the central axis that is positioned at described torsion bar shell on the vehicle vertical direction.
3. wheel suspension system according to claim 2, the bottom of the described transverse center part of wherein said connection crossbeam is cut.
4. wheel suspension system according to claim 1, further comprise additional torsion bar (20,22), it extends at described lateral direction of car, and embedding the vertical top of described connection crossbeam, the vertical top of described connection crossbeam is positioned at the top of described connection crossbeam on the vehicle vertical direction.
5. wheel suspension system according to claim 1, wherein, described torsion bar shell and the described horizontal in-to-in diameter that is connected the diameter of the connecting bridge that crossbeam is connected with described trailing arm greater than described torsion bar shell, the horizontal inside of described torsion bar shell is positioned at the inboard of torsion bar shell on lateral direction of car.
6. wheel suspension system according to claim 1, the horizontal inside of wherein said torsion bar shell rotatably connects with the described crossbeam that is connected, and the horizontal inside of described torsion bar shell is positioned at the inboard of torsion bar shell on lateral direction of car.
7. wheel suspension system according to claim 1, wherein said connection crossbeam has curved shape, makes the transverse center of described connection crossbeam partly project upwards.
8. wheel suspension system according to claim 1, wherein said trailing arm is connected by reinforcement plate (19) with described torsion bar shell.
9. wheel suspension system according to claim 1, the point of connection of wherein said connection crossbeam and described torsion bar shell are positioned at the outside on lateral direction of car, and near described trailing arm.
10. wheel suspension system according to claim 1 further comprises connecting panel (21), and it connects the lateral ends and the torsion bar shell of described connection crossbeam respectively, and the lateral ends of described connection crossbeam is positioned at the end that connects crossbeam on lateral direction of car.
11. wheel suspension system according to claim 10, wherein crooked described connection crossbeam makes the transverse center of described connection crossbeam partly project upwards.
12. according to the described wheel suspension system of each claim in claim 10 and 11, wherein, only at a longitudinal direction of car end place of the lateral ends of described connection crossbeam, described connecting panel connects with the described crossbeam that is connected.
13. wheel suspension system according to claim 12, the lateral outer ends of wherein said connection crossbeam are positioned at the contiguous place of described trailing arm, the lateral outer ends of described connection crossbeam is positioned at the outer end that connects crossbeam on lateral direction of car.
14. wheel suspension system according to claim 4, wherein additional torsion bar passes two sloping portions of described connection crossbeam, and two lateral ends of described additional torsion bar connect with the described crossbeam that is connected by support respectively.
15. wheel suspension system according to claim 4, wherein additional torsion bar (22) passes two sloping portions of described connection crossbeam, and two lateral ends of described additional torsion bar are connected with described torsion bar shell by support respectively.
16. wheel suspension system according to claim 1, wherein external bushing (9) places between the horizontal outside of the horizontal outside of described torsion bar shell and described torsion bar, and, flange section (9a) be clipped in the lateral outer ends of described torsion bar shell and the packing ring that is provided with in abutting connection with described lateral outer ends between, along the direction perpendicular to described axial direction, this flange section is outwards outstanding in the horizontal outside of described external bushing.
17. wheel suspension system according to claim 16 further comprises and reduces friction gear (24), is used to reduce the friction between described external bushing and the described packing ring.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004212922 | 2004-07-21 | ||
| JP2004212922 | 2004-07-21 | ||
| JP2004334860 | 2004-11-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1724283A CN1724283A (en) | 2006-01-25 |
| CN100457486C true CN100457486C (en) | 2009-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510085238XA Expired - Fee Related CN100457486C (en) | 2004-07-21 | 2005-07-21 | Wheel suspension system |
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| Country | Link |
|---|---|
| CN (1) | CN100457486C (en) |
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| US10246153B2 (en) | 2012-10-11 | 2019-04-02 | Polaris Industries Inc. | Side-by-side vehicle |
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| JP6350914B2 (en) * | 2014-09-02 | 2018-07-04 | スズキ株式会社 | Torsion beam suspension |
| DE102015202100B4 (en) * | 2015-02-06 | 2022-05-05 | Ford Global Technologies, Llc | Dynamic adjustment of bearings in motor vehicles |
| CN106274331B (en) * | 2015-05-27 | 2019-05-17 | 上海汽车集团股份有限公司 | Torsion beam, torsion beam type suspension, automobile |
| DE102016214532A1 (en) * | 2015-08-20 | 2017-02-23 | Ford Global Technologies, Llc | Subframe for a motor vehicle |
| JP6278096B1 (en) * | 2016-11-21 | 2018-02-14 | マツダ株式会社 | Vehicle suspension system |
| EP3480036A1 (en) * | 2017-11-07 | 2019-05-08 | Volvo Car Corporation | System for wheel suspension of a vehicle |
| CN110053437B (en) * | 2019-05-15 | 2023-11-03 | 浙江盘毂动力科技有限公司 | Vehicle and suspension system thereof |
| JP7441680B2 (en) * | 2020-03-05 | 2024-03-01 | 株式会社エフテック | Torsion beam suspension |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2544259A1 (en) * | 1983-04-12 | 1984-10-19 | Renault | Rear suspension with independent wheels for a motor vehicle |
| FR2547540A1 (en) * | 1983-06-17 | 1984-12-21 | Citroen Sa | Vehicle carrier axle |
| GB2187524A (en) * | 1986-03-06 | 1987-09-09 | Lucas Ind Plc | Vehicle having torsion suspension and load conscious brake pressure |
| EP0452835A1 (en) * | 1990-04-19 | 1991-10-23 | Volkswagen Aktiengesellschaft | Rear axle of a motor car |
| CN1495054A (en) * | 2002-07-04 | 2004-05-12 | 本田技研工业株式会社 | Torque beam suspension |
-
2005
- 2005-07-21 CN CNB200510085238XA patent/CN100457486C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2544259A1 (en) * | 1983-04-12 | 1984-10-19 | Renault | Rear suspension with independent wheels for a motor vehicle |
| FR2547540A1 (en) * | 1983-06-17 | 1984-12-21 | Citroen Sa | Vehicle carrier axle |
| GB2187524A (en) * | 1986-03-06 | 1987-09-09 | Lucas Ind Plc | Vehicle having torsion suspension and load conscious brake pressure |
| EP0452835A1 (en) * | 1990-04-19 | 1991-10-23 | Volkswagen Aktiengesellschaft | Rear axle of a motor car |
| CN1495054A (en) * | 2002-07-04 | 2004-05-12 | 本田技研工业株式会社 | Torque beam suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1724283A (en) | 2006-01-25 |
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