CN1249246A - Torsion beam suspension - Google Patents
Torsion beam suspension Download PDFInfo
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- CN1249246A CN1249246A CN 99119697 CN99119697A CN1249246A CN 1249246 A CN1249246 A CN 1249246A CN 99119697 CN99119697 CN 99119697 CN 99119697 A CN99119697 A CN 99119697A CN 1249246 A CN1249246 A CN 1249246A
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- 239000000725 suspension Substances 0.000 title claims description 34
- 238000009434 installation Methods 0.000 claims description 7
- 230000003190 augmentative effect Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 description 16
- 238000003199 nucleic acid amplification method Methods 0.000 description 16
- 230000014509 gene expression Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001247986 Calotropis procera Species 0.000 description 1
- 241000269799 Perca fluviatilis Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/13—Torsion spring
- B60G2202/136—Twist-beam type arrangement
- B60G2202/1362—Twist-beam type arrangement including a second torsional element, e.g. second beam, stabiliser bar or tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/20—Constructional features of semi-rigid axles, e.g. twist beam type axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/40—Constructional features of dampers and/or springs
- B60G2206/42—Springs
- B60G2206/427—Stabiliser bars or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/50—Constructional features of wheel supports or knuckles, e.g. steering knuckles, spindle attachments
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Abstract
To improve the strength of the part adjacent to both ends of a torsion beam by constituting the vehicle longitudinal width of a lower flat part so as to be maximum in the center and gradually reduced toward both ends of the area. The U-shaped section of a torsion beam 12 is set to a form opened to the rear end of a trailing arm from the front end thereof, or backward. The depth of the U-shaped section is constant in the center of the torsion beam 12, and gradually increased toward both ends of the torsion beam 12. Since a hole 40 and an elliptic hole 42 are provided on a front edge 12A situated adjacently to a position 12H, this part is most easily deformed when a lateral force acts on a wheel. An area 12E in which the vehicle longitudinal width W1 of the lower flat part is larger than the vehicle longitudinal width Wu of the upper flat part includes the position 12H, which is the part most easily deformed when the lateral force acts thereon, and the vicinity thereof.
Description
The present invention relates to a kind of suspension, particularly torsion beam suspension such as vehicles such as automobiles.
General torsion beam suspension comprises laterally being separated from each other installation, hingedly supporting slave arm anterior, posterior rotation ground support wheel by car body of a pair of relative axletree.Torsion beam suspension comprises that horizontal expansion to vehicle, both ends are welded in the beam of turning round on a pair of slave arm by welding in addition.When the left and right wheels anti-phase was upspring and rebounded, left and right sides slave arm is vertical and inverse motion hingedly around its front end.Like this, turn round beam and flexibly twisted and warped, produce the power that wheel has rebounded and rebounded.
A kind of as relevant torsion beam suspension, for example the disclosed reality of Japanese Utility Model is opened the torsion beam suspension that clear 58-90814 proposes, turn round beam have by U type warpage part, go up that planar section, lower flat portion are grouped into, to the rear portion (vertically) of the car U type section of opening substantially.And, in turning round the whole length of beam, lower plane part car vertically on width greater than on planar section car vertically on width.
The design of above-mentioned disclosed torsion beam suspension is an intensity of turning round beam lower plane part in order to increase, because when downward load puts on vehicle, tensile stress is applied to the lower plane part of turning round beam.With last plane and lower plane part car vertically on all identical beam of turning round of width compare, the above-mentioned life-span of turning round beam can improve.
For general twist beam type suspension, when big transverse force acts on vehicle, when for example the stone in vehicle and roadside bumped against, the part of easy deformation was near the part of turning round the beam both ends.
But above-mentioned communique proposes has turning round the beam entire length torsion beam suspension of turning round beam of certain section form is arranged all, also exist and problem the relevant weight efficiency step-down of the improved strength of the transverse force of wheel.And, also caused other problem because turn round the shear center step-down of beam section, for example the roll steer of vehicle tends to become oversteer.
Main purpose of the present invention is in order to improve and to improve the relevant weight efficiency of wheel transverse force intensity, preventing the oversteer that inclination of vehicle turns to.
In order to reach this purpose, the present invention proposes a kind of torsion beam suspension, what it comprised a pair of relative vehicle laterally is separated from each other installation, hingedly supporting the front portion by car body, the slave arm of posterior rotation ground support wheel, and to the horizontal expansion of car, turn round beam with slave arm connects as one, it is characterized by and turn round beam and have by U type warpage part, last planar section and lower flat portion are grouped into, to the U type section of the basic opening in the rear portion (vertically) of car, near the zone at the both ends of turning round beam the lower plane part car vertically on the width ratio on the width of planar section wide.
Because in the above-mentioned torsion beam suspension turn round beam have by U type warpage part, go up that planar section and lower flat portion are grouped into, to the rear portion (vertically) of the car U type section of opening substantially, and near the zone of turning round each end in the both ends of beam the lower plane part car vertically on width than on the width of planar section wide, so improved effectively approaching when transverse force acts on vehicle the intensity of the part of turning round the beam both ends of easy deformation.Therefore, turning round the relevant weight efficiency of beam strength with raising also can improve than original structure.
In addition, the degree of depth of U type section of turning round each end of beam increases gradually to each end of turning round beam, and the degree of depth that above-mentioned zone comprises the partial sum U type section that the degree of depth of U type section is certain is the boundary member between the augmenting portion gradually.
According to said structure, the boundary portion of one of part of easy deformation is enhanced really when wheel is subjected to transverse force, and other regional shear center can not reduce yet.
In addition, there is a barbed portion position near each end at its both ends in U type section bottom to turn round beam, and above-mentioned zone has comprised the part that forms breach.
Therefore, the barbed portion of one of part of easy deformation is enhanced really when transverse force acts on wheel, and other regional shear center can not reduce yet.
The structure that available employing is such, in this structure, the degree of depth at the U at the both ends of turning round beam type section increases gradually to the both ends direction of turning round beam, barbed portion is located at the certain partial sum U type section depth of U type section depth and becomes boundary vicinity between the big part gradually, and above-mentioned zone can comprise boundary member and form the part of breach.
In addition, lower plane part car vertically on width position maximum at center basically in above-mentioned zone, and reduce gradually along this regional direction of both ends.
Above-mentioned zone has comprised the part of easy deformation when wheel is subjected to transverse force.
The second embodiment of the present invention provides a kind of torsion beam suspension, what it comprised a pair of relative vehicle laterally is separated from each other installation, hingedly supporting the front portion by car body, the slave arm of posterior rotation ground support wheel, and to the horizontal expansion of car, turn round beam with slave arm connects as one, it is characterized by and turn round beam and have the vertically U type section of basic opening to car, in the zone near each end of turning round beam, the lower end of U type section bottom is longer than the length of upper end on the direction vertical with turning round the beam length direction of bottom in the length on the direction vertical with turning round the beam length direction.
The foregoing description has the vertical structure of the U type section of opening basically to car.And in the zone near each end of turning round beam, the lower end of U type section bottom is longer than the length of upper end on the direction vertical with turning round the beam length direction of bottom in the length on the direction vertical with turning round the beam length direction.Therefore, obtained the actv. reinforcement near the zone of turning round the beam both ends, these zones are easy deformation when wheel is subjected to transverse force.
The lower end length of the bottom of U type section is in the position maximum at the center basically of above-mentioned zone, and reduces gradually along the direction of both ends of above-mentioned zone.
Above-mentioned zone is included in the part of wheel easy deformation when being subjected to transverse force.
The third embodiment of the present invention provides a kind of torsion beam suspension, what it comprised a pair of relative vehicle laterally is separated from each other installation, hingedly supporting the front portion by car body, the slave arm of posterior rotation ground support wheel, and to the horizontal expansion of car, turn round beam with slave arm connects as one, it is characterized by and turn round beam and have by U type warpage part, that last planar section and lower flat portion are grouped into and to the vertically U type section of opening basically of car, in the section factor of turning round beam changes zone greater than other parts, the lower plane part car vertically on width than on the width of planar section wide.
The foregoing description provides to be turned round beam and has by U type warpage part, goes up that planar section and lower flat portion are grouped into and to the vertically U type section of opening basically of car, in the section factor of turning round beam changes zone greater than other parts, the lower plane part car vertically on width than on the wide structure of width of planar section.Therefore the zone of easy deformation has obtained the actv. reinforcement when wheel is subjected to transverse force.
With lower plane in turning round the whole length of beam part car vertically on width greater than on planar section car vertically on the structure of width compare, in first to the 3rd embodiment, except that specific zone, therefore other regional shear center of turning round beam can not reduce, the roll steer and the oversteer of anti-vehicle in advance.
Describe the present invention below with reference to accompanying drawings in detail.
Figure 1A is the planar view of the twist beam type suspension of one embodiment of the invention, and Figure 1B is the back view of same embodiment;
Fig. 2 is the partial plan layout that the right side slave arm and the amplification of a part of turning round beam are shown;
Fig. 3 is the partial rear view that the right side slave arm and the amplification of a part of turning round beam are shown;
Fig. 4 is the partial side view that the right side slave arm and the amplification of a part of turning round beam are shown;
Fig. 5 is the partial plan layout of turning round the beam right half part that amplification is shown;
Fig. 6 is the partial rear view of turning round the beam right half part that amplification is shown;
Fig. 7 is the partial bottom view of turning round the beam right half part that amplification is shown;
Fig. 8 is the cross sectional drawing along the VIII-VIII line amplification of Fig. 5;
Fig. 9 is the cross sectional drawing along the IX-IX line amplification of Fig. 5;
Figure 10 is the cross sectional drawing along the X-X line amplification of Fig. 5;
Figure 11 is the cross sectional drawing along the XI-XI amplification of Fig. 5;
Figure 12 is the front elevation that connects the connecting pin of bumper lower end among the embodiment;
Figure 13 is the front elevation of expression connecting pin;
Figure 14 represents the partial plan layout of turning round the beam right half part of amplification of the embodiment of torsion beam suspension of the present invention, and is similar with Fig. 5;
Figure 15 is the cross sectional drawing along the XV-XV line amplification of Figure 14;
Figure 16 is the cross sectional drawing along the XVI-XVI line amplification of Figure 14;
Figure 17 is the cross sectional drawing along the XVII-XVII line amplification of Figure 14;
Figure 18 is the cross sectional drawing along the XVIII-XVIII line amplification of Figure 14.
With reference to Figure 1A, 1B and 2 to 4, label 10L and 10R are illustrated respectively in the left and right sides slave arm that vehicular transverse direction is separated from each other configuration, and label 12 expressions are to the beam of turning round of vehicular transverse direction extension.Slave arm 10L and 10R are made up of steel S bend pipe material.Turning round beam 12 is made up of the steel plate with U type section.Spring perch 14L and the 14R position in car is soldered on slave arm 10L and the 10R.Slave arm 10L and 10R are set at the rear portion of turning round beam 12.
By integrated rubber bush 18L and the 18R that is fixed on slave arm 10L and 10R front end and built-up shaft 16L and the 16R, slave arm 10L and 10R are supported by car body (not shown) pivotally attached.Be fixed on the rear end of slave arm 10L and 10R as the carriage 20 of wheel carrier, carriage 20 is supported the wheel (not shown) rotatably around S. A. 22
For embodiment as shown in the figure, the U type section of turning round beam 12 has from the front end of slave arm direction opening to the back-end, also is the structure of aft-opening shape.The degree of depth of U type section is certain at the middle body of turning round beam 12, increases gradually to the both ends of turning round beam 12.As a result, turn round hogging of beam front end 12A to two ends displacement forward gradually.
There is weld zone 24 at the both ends of turning round beam 12, with slave arm 10L and 10R with turn round beam and fuse.In embodiment as shown in the figure, turn round the oriented vehicle in rear portion of beam 12 after, part 12B that outer direction is outstanding, as shown in Figure 2.Turn round beam 12 both ends car vertically on core to the longitudinal extension of car.So, both ends car vertically on central portion and the space between the part 12B constitute basic circular shape.
For embodiment shown in the drawings, turning round beam 12 formation has outstanding wedge type upward slightly.And the inboard, the two ends that are placed on the U type section of turning round beam 12 are fixed to the torsion bar 26 on slave arm 10L and the 10R, also form the type of carving that beam projects upwards slightly of turning round relatively.
Fig. 5 is to turn round planar view, back view and the upward view that beam 12 right-hand parts amplify to Fig. 7.Fig. 8 to 11 is respectively the amplification profile diagram of line VIII-VIII, line IX-IX, line X-X and line XI-XI along Fig. 5.
As shown in the figure, the U type section of turning round beam 12 is made up of U type warpage portion 28, last planar section 30 and lower plane part 32.At the horizontal core of turning round beam 12, the front end 12A of U type warpage portion 28 is positioned at centre plane 34 tops of vertical direction.Front end 12A reduces gradually to the both ends of turning round beam 12.At the both ends of turning round beam 12, front end 12A is the part that is placed in the centre plane 34 of vertical direction substantially.
The width W u of last planar section 30 on longitudinal direction of car is certain at the length direction of turning round beam 12, and from the vehicle top, the crest line 36 between U type warpage portion 28 and the last planar section 30 is horizontal expansions point-blank like this.On the other hand, lower plane part 32 is certain in the width W 1 of longitudinal direction of car at the middle body of turning round beam 12.And, identical with Wu basically in above-mentioned central part width W 1.It should be noted that width W 1 gradually changes in each regional 12E, regional 12E be from position 12D to the zone the both ends of turning round beam 12, and 12D is the centre of the regional 12C of constant in the degree of depth of U type section.
Embodiment as shown in the figure, lower plane part 32 car vertically on width W 1 reach maximum at each 12H place, position, 12H compares border 12G between the regional 12F that the degree of depth at regional 12C and U type section increases gradually more near two ends.Width W 1 reduces gradually from 12H to position 12D with to both ends.Position 12H is at position 12D and turn round between each end at beam both ends.Therefore, see over from the vehicle above and below, the crest line 38 between U type warpage portion 28 and lower plane part 32 is at the middle position of turning round beam 12 straight-line extension laterally.On the other hand, crest line 38 forms a hypotenuse at regional 12E, and this vertex of a triangle is position 12H.
Carriage 20 is fixed on the rear end of slave arm 10L and 10R, have wheel supporting walls 44A to the longitudinal extension of car, with antetheca 44B and rear wall the 44C 44 integrated formation of wheel supporting walls and that side direction (left-hand in Fig. 2 to) extends in wheel substantially.Carriage 20 is the parts that form U type opposite flank.With wheel supporting walls 44A form one and downwards and the lower end of outer end, antetheca 44B and the rear wall 44C of the inclined wall 44D that extends internally be welded on the slave arm, make carriage 20 integrally be fixed on the corresponding slave arm.
Among the embodiment in the drawings, rear wall 44C is the rear end of vertically going up the basic slave arm that extends that is positioned to car.On the other hand, see the position that the warpage of side direction began in antetheca 44B was located to the direction of front end by the rear end of slave arm.In the antetheca 44B of Outboard Sections (right-hand lay among Fig. 2) horizontal expansion to car.From the top of vehicle, in the antetheca 44B tilted rearward of inner side extension.
In the embodiment as the figure expression, the connecting pin 46 that connects bumper (not shown) lower end is fixed to the rear end of each slave arm.As shown in Figure 9, connecting pin 46 is by the major diameter part 46A at center, form than major diameter part 46A small diameter portion 46B also with the level more in the outer part with than major diameter part 46A small diameter portion 46C more in the inner part.Front end at small diameter portion 46C has formed male screw portion 46D.
Connecting pin 46 is inserted in the hole that is provided with in slave arm rear inside wall 48 and the lateral wall 50.The outer end of major diameter part 46A is soldered on the wall 48, and the outer end of small diameter portion 46b is welded on the wall 50.Like this, connecting pin 46 is fixed on the rear end of slave arm.In the present embodiment as figure, the inner of connecting pin 46 is positioned at the below of connecting pin outer end.Like this, the axis 52 of connecting pin 46 tilts with respect to horizontal direction.Referring to figs. 3 to Fig. 9, alternately the dotted line 54 of length is represented the axis of bumper (not shown), relative axis 52 vertical extent of this axis.
In the structure of the foregoing description, turn round beam 12 and have, the U type section that last planar section 30 and lower plane part 32 are formed by U type warpage part 28.Lower plane part 32 the width W longitudinally 1 of car greater than on planar section 30 in the regional 12E of the u of width W longitudinally of car, comprise the zone that the section factor of comparing the U type section of turning round beam 12 with other parts alters a great deal.Also promptly, regional 12E has comprised near the part the 12H of position, and this part easy deformation when wheel is subjected to transverse force.Compare with all identical structure of width W u with width W 1 in the total length of turning round beam 12, the intensity of the part of easy deformation is improved really when wheel is subjected to transverse force.
Embodiment as shown in the figure in addition, width W 1 reaches maximum at position 12H, reduce gradually from position 12H to position 12D with to both ends, compare with the structure bigger of width W 1 in the total length of turning round beam 12 like this than width W u, turn round the degree that the shear center of the U type section of beam reduces and alleviate, therefore can reduce the oversteer that inclination of vehicle turns to.
In embodiment as shown in the figure, the degree of depth of turning round the U type section of beam 12 increases in above-mentioned regional 12F gradually, in the front end 12A of approximated position 12H, be provided with the hole 40 and the slotted hole 42 of barbed portion form, like this when wheel is subjected to transverse force the position of easy deformation really position 12H and near part, therefore according to the setting of aforesaid width W 1, the part that can make intensity improve really is the part of easy deformation when wheel is subjected to transverse force.
Turn round the twist beam type suspension of beam for generally having U type section, because upspring and rebound when making that torsion beam suspension reverses in left and right wheels anti-phase ground, the end of turning round the U type section open side at beam two ends is subjected to the stress of maximum.According to embodiment as shown in the figure, turn round oriented car rear, rear, the outstanding part 12B of foreign side at the two ends of beam 12, and weld zone 24 is located at the outer end of part 12B, therefore compare with the structure that part 12B is not set, really can resistant function at the stress at the rear at the two ends of turning round beam 12, the life-span that can improve suspension thus.
As shown in Figure 3, as the carriage 20 of wheel carrier when the vehicle to run because the front and back application force of wheel, transverse force F and moment M have been subjected to, therefore be used for separately being used in weld zone at the masterpiece of the weld zone of the lower end of antetheca 44B and rear wall 44C, this power is in the end of the inboard of weld zone maximum.Therefore in order to guarantee the life-span of carriage, the general way that adopts the length of increase antetheca and rear wall or lower the rigidity of carriage.But first kind of way makes the weld zone lengthening, improved cost, and second kind of way reduced the rigidity of suspension.
In embodiment as shown in the figure, the outside of the antetheca 44B of carriage 20 is along the horizontal expansion of car.And the inside of the antetheca 44B of extension tilts to the rear of car.Therefore be subjected to transversal force F and moment M does the time spent when carriage 20, the weld zone in the lower end of antetheca 44B is subjected to separating force, and is subjected to making its application force at the lateral deformation of car in the outside of antetheca 44B.
Like this, compare at the conventional structure of the horizontal expansion of car with antetheca 44B, the power of medial end that acts on the weld zone of antetheca 44B lower end has reduced.The result can improve the life-span of carriage.Nor the rigidity of will extend antetheca and rear wall or attenuating carriage.Therefore avoided the rising of cost or the rigidity of suspension to lower.
In embodiment as shown in the figure, only the rear of the interior side direction car of front wall section 44B tilts.But the inside part of rear wall 44C is tilted.The inside part of antetheca 44B and rear wall 44C is tilted simultaneously.In the later case, preferably make the relative reversing sense crustal inclination of inside part of antetheca 44B and rear wall 44C.
In embodiment as shown in the figure, the connecting pin 46 that connects the bumper lower end small diameter portion 46B with combine than step part in the more close outside of major diameter part 46A.And in the general structure that has taper small diameter portion (connecting pin 46 '), as shown in figure 10, the small diameter portion of the material that is obtained by forging must cutting form tapering part 46E.On the other hand, in the connecting pin structure as the embodiment of the invention of figure, connecting pin can only be made with forging.Reduced the cost of connecting pin like this.
Because the small diameter portion 46B of connecting pin 46 has shoulder between stepped region, the location of the relative slave arm of connecting pin rear end can reasonably be finished with anchor clamps.With the conventional structure ratio, connecting pin can be connected efficiently like this.
More than be that specific embodiments of the invention are had been described in detail, but the invention is not restricted to the foregoing description, also can on the basis that does not break away from aim of the present invention and scope, change structure, combination and arrangement or the like.
In the foregoing description, turn round beam 12 by the U type section of forming by U type warpage part 28, last planar section 30 and lower plane part 32.If turning round beam makes like this in the length of vertically turning round on the beam length direction: the length to the end of lower part of the bottom of U type section is longer than the length to the upper end of bottom.If satisfy aforementioned requirement, the U type section of turning round beam also can be parabolical or semiellipse type, and shown in Figure 15 to 18, these figure are corresponding to Figure 11 with Fig. 8.In Figure 14 and the corresponding part of Figure 15 to 18 with and the same label of Figure 15 to 18 represent.
In the above-described embodiments, lower plane part 32 car vertically on width W 1 in regional 12E, gradually change.It is the hypotenuse on summit that rib 38 between U type warpage part 28 and lower plane part 32 extends to form with position 12H.If width W 1 is in position 12H maximum, rib 38 also can extend to form the curve as Figure 14, and Figure 14 is corresponding with Figure 15.Equally, in Figure 14 and the cooresponding part of Fig. 5 with and the same label of Fig. 4 represent.
In the above-described embodiments, slave arm 10L and 10R are S shape substantially.Slave arm also can be an arbitrary shape.The U type section of turning round beam 12 in the above-described embodiment is aft-opening.The opening direction of U type section also can be set at any direction of removing backward.
In the above-described embodiments, the two ends of turning round beam 12 do not have gusset.But the present invention can be applied in turning round the suspension that the beam two ends have gusset.In this situation, best fixed zone comprises the inner of gusset.
Claims (10)
1. torsion beam suspension, comprise a pair of relative vehicle laterally be separated from each other installation hingedly supporting the front portion and the rear portion slave arm of support wheel rotationally by car body; And be connected to each other the beam of turning round with described slave arm for one to the horizontal expansion of vehicle, it is characterized in that the described beam of turning round has the vertical U type section of opening basically to car that is grouped into by U type warpage part, last planar section and lower flat portion, in zone near described two ends turning round beam, described lower plane part car vertically on width wideer than the width of planar section on described.
2. torsion beam suspension according to claim 1, it is characterized in that the described degree of depth of turning round the U type section of each end in the beam both ends increases gradually to each end of turning round the beam both ends, and the described zone degree of depth boundary member between the augmenting portion gradually that is included in the certain partial sum U type section of the degree of depth of U type section.
3. torsion beam suspension according to claim 1 it is characterized in that there is a barbed portion the described position near each end at its both ends of beam in U type section bottom of turning round, and described zone comprises the part that forms barbed portion.
4. torsion beam suspension according to claim 3, it is characterized in that the described degree of depth of turning round the U type section of each end in the beam both ends increases gradually to described each end direction of turning round the beam both ends, and described barbed portion is formed on the certain partial sum U type section depth of U type section depth and becomes gradually near the boundary member between the big part.
5. torsion beam suspension according to claim 1, it is characterized in that described lower plane part car vertically on the position maximum at the basically center of width in described zone, and reduce gradually along each extreme direction at these two ends, zone.
6. torsion beam suspension according to claim 5 is characterized in that described zone comprises boundary member and formed the part of barbed portion.
7. torsion beam suspension, it comprise a pair of relative vehicle laterally be separated from each other installation hingedly supporting the front portion and the rear portion slave arm of support wheel rotationally by car body; And be connected to each other the beam of turning round with slave arm for one to the horizontal expansion of car, it is characterized in that the described beam of turning round has the vertical U type section of partly being made up of U type warpage of opening basically to car, and in the zone near described each end of turning round the beam both ends, the lower end of U type section bottom is longer than the length of upper end on the direction vertical with turning round the beam length direction of bottom in the length on the direction vertical with turning round the beam length direction.
8. torsion beam suspension according to claim 7, the lower end length of bottom that it is characterized in that U type section be the position maximum at center basically in described zone, and reduces gradually along each extreme direction at the two ends in described zone.
9. according to claim 1 and 7 described torsion beam suspensions, it is characterized in that described zone is included in the part of wheel easy deformation when being subjected to transverse force.
10. torsion beam suspension, comprise a pair of relative vehicle laterally be separated from each other installation hingedly supporting the front portion and the rear portion slave arm of support wheel rotationally by car body; And be connected to each other the beam of turning round with slave arm for one to the horizontal expansion of car, it is characterized in that the described beam of turning round has the vertical U type section of opening basically to car that is grouped into by U type warpage part, last planar section and lower flat portion, in the described section factor of turning round beam changes zone greater than the section factor of other parts, described lower plane part car vertically on width wideer than the width of planar section on described.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP272306/1998 | 1998-09-25 | ||
| JP27230698A JP3551039B2 (en) | 1998-09-25 | 1998-09-25 | Torsion beam suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1249246A true CN1249246A (en) | 2000-04-05 |
| CN1167558C CN1167558C (en) | 2004-09-22 |
Family
ID=17512049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB99119697XA Expired - Fee Related CN1167558C (en) | 1998-09-25 | 1999-09-23 | Torsion beam suspension |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3551039B2 (en) |
| CN (1) | CN1167558C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387449C (en) * | 2002-07-04 | 2008-05-14 | 本田技研工业株式会社 | Torque beam suspension |
| CN101563245B (en) * | 2005-03-16 | 2011-08-10 | 亨德里克森国际公司 | Axle tower |
| CN102271938A (en) * | 2009-01-14 | 2011-12-07 | 本田技研工业株式会社 | Bush for isolating stabilizer from vibration |
| CN102717679A (en) * | 2012-06-30 | 2012-10-10 | 长城汽车股份有限公司 | Rear torsion beam structure of car and manufacturing method thereof |
| CN101925480B (en) * | 2008-04-07 | 2012-10-10 | 宝马股份公司 | Countersteering automotive rear axle |
| CN105034742A (en) * | 2014-03-24 | 2015-11-11 | 本特勒尔汽车技术有限公司 | Motor vehicle axle and method for the manufacture of a crossbeam for an axle of a motor vehicle |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4093548B2 (en) | 2002-07-09 | 2008-06-04 | 株式会社エフテック | Torsion beam suspension |
| KR100629330B1 (en) * | 2004-12-15 | 2006-09-29 | 현대모비스 주식회사 | Coupled Torsion Beam |
| JP4632036B2 (en) * | 2005-03-31 | 2011-02-16 | マツダ株式会社 | Torsion beam type rear suspension |
| KR101127014B1 (en) * | 2010-03-15 | 2012-03-26 | 주식회사화신 | Suspension for vehicles |
| DE102014221472A1 (en) * | 2014-10-22 | 2016-04-28 | Volkswagen Aktiengesellschaft | Cross member for a torsion beam axle |
| KR102310505B1 (en) | 2017-06-28 | 2021-10-08 | 현대자동차주식회사 | Coupled Torsion Beam Axle Induced Buckling and Vehicle thereby |
| JP6479900B2 (en) * | 2017-07-04 | 2019-03-06 | 本田技研工業株式会社 | Torsion beam suspension structure and vehicle |
-
1998
- 1998-09-25 JP JP27230698A patent/JP3551039B2/en not_active Expired - Fee Related
-
1999
- 1999-09-23 CN CNB99119697XA patent/CN1167558C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387449C (en) * | 2002-07-04 | 2008-05-14 | 本田技研工业株式会社 | Torque beam suspension |
| CN101563245B (en) * | 2005-03-16 | 2011-08-10 | 亨德里克森国际公司 | Axle tower |
| CN101925480B (en) * | 2008-04-07 | 2012-10-10 | 宝马股份公司 | Countersteering automotive rear axle |
| CN102271938A (en) * | 2009-01-14 | 2011-12-07 | 本田技研工业株式会社 | Bush for isolating stabilizer from vibration |
| CN102271938B (en) * | 2009-01-14 | 2014-04-16 | 本田技研工业株式会社 | Bush for isolating stabilizer from vibration |
| CN102717679A (en) * | 2012-06-30 | 2012-10-10 | 长城汽车股份有限公司 | Rear torsion beam structure of car and manufacturing method thereof |
| CN102717679B (en) * | 2012-06-30 | 2014-12-03 | 长城汽车股份有限公司 | Rear torsion beam structure of car and manufacturing method thereof |
| CN105034742A (en) * | 2014-03-24 | 2015-11-11 | 本特勒尔汽车技术有限公司 | Motor vehicle axle and method for the manufacture of a crossbeam for an axle of a motor vehicle |
| CN105034742B (en) * | 2014-03-24 | 2017-09-05 | 本特勒尔汽车技术有限公司 | Motor-driven axletree and for the method for the crossbeam for manufacturing motor vehicle axle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000094917A (en) | 2000-04-04 |
| JP3551039B2 (en) | 2004-08-04 |
| CN1167558C (en) | 2004-09-22 |
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