CN104118296B - Torque beam suspension - Google Patents
Torque beam suspension Download PDFInfo
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- CN104118296B CN104118296B CN201410110741.5A CN201410110741A CN104118296B CN 104118296 B CN104118296 B CN 104118296B CN 201410110741 A CN201410110741 A CN 201410110741A CN 104118296 B CN104118296 B CN 104118296B
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- torque
- torque beam
- suspension
- junction surface
- trailing arm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/051—Trailing arm twist beam axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/20—Semi-rigid axle suspensions
- B60G2200/21—Trailing arms connected by a torsional beam, i.e. twist-beam axles
-
- 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
-
- 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
- B60G2206/202—Constructional features of semi-rigid axles, e.g. twist beam type axles with a radially deformed tube as a cross member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The torque beam suspension of vehicle, it comprises: torque beam, the tabular or tubulose of what it was formed as opening to a side in the longitudinal direction be opening shape; With a pair of trailing arm, it is connected to the both ends of torque beam, and wherein, trailing arm has with the end butt of torque beam and is formed as the beam junction surface of hollow-core construction.
Description
Technical field
The present invention relates to a kind of vehicle torque beam suspension.
Background technology
In order to improve the oil consumption such as the vehicle of automobile etc., need to alleviate vehicle weight, therefore sprung partsNeed to use more aluminium alloy. Torque beam suspension comprises as the torque beam of a part for suspension and passes throughWelding means join a pair of trailing arm at the both ends of torque beam to. Having opposing at the each trailing arm of needs is applied toWhen the high rigidity of cross force, longitudinal force and the vertical force of vehicle, also need torque beam to there is appropriatenessRigidity carry to be supported on the moment of torsion being applied in the situation of left and right wheel with vertical contrary phase-shiftsLotus.
Turning round of the known stress that minimizing produces at the edge part of torque beam in avoiding weight to increaseSquare beam suspension. Traditional torque beam suspension comprises that the torque beam inserting in trailing arm is (for example,, referring to patent literary compositionOffer 1(TOHKEMY 2012-140031 communique)).
In traditional torque beam suspension, because torque beam is inserted into the structure in trailing arm, form verticalLap between arm and torque beam. Lap has caused the weight of trailing arm or torque beam additionally to increase.
The diameter dimension of trailing arm and torque beam is inevitably not identical. Thereby, in lap, formStep. Based on concentrating of stress, step is unfavorable to intensity.
In addition, between trailing arm and the edge part of torque beam, there is non-weld portion, in weld portion and non-weldingBetween portion, formed border and due to stress concentrate cause intensity unfavorable. Due to the little fortune that reciprocatingly slidesMoving, non-weld portion is also subject to fretting fatigue (frettingfatigue).
In addition,, in the time that trailing arm and torque beam are welded together, be difficult to improve on the length direction of torque beamPositioning precision.
Summary of the invention
Consideration the problems referred to above are conceived the present invention, and it is outstanding to the object of this invention is to provide following torque beamFrame: this torque beam suspension has high production rate, by reduce at the junction surface place of trailing arm and torque beam shouldPower is concentrated and is easily determined position, guarantees alleviating of weight simultaneously.
According to the present invention, by providing following torque beam suspension can realize above-mentioned and other object, this is turned roundSquare beam suspension comprises: torque beam, what it was formed as opening to a side in the longitudinal direction be opening shapeTabular or open to a side in the longitudinal direction tubulose that is opening shape; With a pair of trailing arm, it connectsReceive the both ends of described torque beam, wherein, described trailing arm have with the end butt of described torque beam andBe formed as the beam junction surface of hollow-core construction.
Of the present invention above-mentioned aspect in, preferred embodiment below can be provided.
Can be preferably, the junction surface of described trailing arm and described torque beam is with respect to along described torque beamLength direction extend datum line tilt. Can expect, described in described junction surface is inclined to and makesThe non-open sides of the described opening shape of torque beam is close described moment of torsion compared with the open sides of described torque beamThe center side of the length direction of beam.
Can be preferably, the end of described torque beam is formed as the described opening shape from described torque beamNon-open sides diminish gradually towards the open sides of described opening shape, and the end at described beam junction surfaceBe formed with along the inclined plane of the sloped-end of described torque beam. Described in described beam junction surface can be included inThe recess caving in inclined plane.
Can also be preferably, described beam junction surface is formed as its thickness and increases gradually or increase in step modeLarge shape, and from described torque beam more away from its thickness increase greatlyr.
Can be preferably, on the length direction of described torque beam, have corresponding to connect described trailing arm andThe first area at the described junction surface of described torque beam, corresponding to described recess except described first areaSecond area in addition and the 3rd region except described first area and described second area,The thickness difference in each region at described beam junction surface, wherein said first area is the thinnest, described San districtTerritory is the thickest, and thick in the thickness of described first area and described the 3rd region of the thickness of described second areaIn scope between degree, gradually change or change in step mode.
Can also be preferably, described recess has rectangular cross sectional shape or V-arrangement cross sectional shape.
Described beam junction surface can have the cross sectional shape of sealing.
Described trailing arm can be two from described beam bonding part, makes each to be formed as engaging with described beamThe circular shape that portion is continuous.
Can also be preferably, described trailing arm is nonferrous alloy mo(u)lding, described torque beam is by aluminium alloyOr the product that forms of the squeeze wood made of ferroalloy or sheet material.
According to the torque beam suspension of the present invention of said structure, can realize the height of torque beam suspension and produceRate, the positioning performance of this torque beam suspension is high, concentrate and subtract at the stress at the junction surface place of trailing arm and torque beamFew, avoid more reliably weight increase simultaneously.
From referring to accompanying drawing description, other beneficial effects of the present invention and function will become more clearChu.
Brief description of the drawings
Fig. 1 is the solid that the vehicle of having applied torque beam suspension is according to the embodiment of the present invention shownFigure;
Fig. 2 shows the stereogram of torque beam suspension according to the embodiment of the present invention;
Fig. 3 shows the exploded perspective view of torque beam suspension according to the embodiment of the present invention;
Fig. 4 is the figure that explanation is applied to the load of torque beam suspension according to the embodiment of the present invention;
Fig. 5 to Fig. 8 show long torque beam according to the embodiment of the present invention various examples cutFace figure;
Fig. 9 shows the cross section along datum line of torque beam suspension according to the embodiment of the present inventionFigure;
Figure 10 to Figure 13 shows according to the various of torque beam suspension of the embodiment shown in Fig. 9 and showsThe sectional view of example;
Figure 14 shows the stereogram of the trailing arm of torque beam suspension according to the embodiment of the present invention;
Figure 15 show torque beam suspension according to the embodiment of the present invention another example alongThe sectional view of datum line;
Figure 16 to Figure 20 shows various according to the torque beam suspension of the embodiment shown in Figure 15The sectional view of example;
Figure 21 shows the stereogram of the trailing arm of torque beam suspension according to the embodiment of the present invention;
Figure 22 and Figure 23 show example of trailing arm according to the embodiment of the present invention and anotherThe sectional view of example;
Figure 24 show torque beam suspension according to the embodiment of the present invention another example alongThe sectional view of datum line; And
Figure 25 show torque beam suspension according to the embodiment of the present invention an example again alongThe sectional view of datum line.
Detailed description of the invention
Below, illustrate according to the embodiment of torque beam suspension of the present invention with reference to Fig. 1 to Figure 25. SeparatelyOutward, it is noted that as used herein such as " on ", D score, " right side ", " left side " etc. represent the art of directionLanguage is based on diagram or the common residing location status of vehicle.
Fig. 1 is the solid that the vehicle of having applied torque beam suspension is according to the embodiment of the present invention shownFigure.
With reference to Fig. 1, be provided with the moment of torsion as rear suspension as the automobile 1 according to the vehicle of present embodimentBeam suspension 2(hereinafter, referred to as " suspension 2 "). Suspension 2 supports the left and right pair of wheels 3 of automobile.
Suspension 2 swings on the vertical direction of automobile 1. Suspension 2 comprises long torque beam 5 and is connected to this moment of torsionThe a pair of trailing arm 6 of the opposite end portion of beam 5.
There is the long torque beam 5(of length direction length hereinafter, be only called torque beam 5) at automobile 1Laterally (vehicle-width direction) is upper extends. Each trailing arm 6 is all connected to torque beam 5 and wide at vehicleIn degree direction, extend. Also branch as follows of trailing arm 6: each branching portion is to vehicle front side and vehicle rear-side(, along vehicle longitudinally) extends.
Bearing spring 7 and shock absorber 8 bear automobile 1 and are applied to the vertical force of suspension 2.
With reference to showing according to Fig. 2 of the torque beam suspension of embodiment and showing according to embodimentFig. 3 of the exploded perspective view of torque beam suspension, suspension 2 is by being arranged on support 9 on car body by swingablySupport. Suspension 2 is via wheel hub 11 support wheel 3. Brake drum 12 is clipped between wheel hub 11 and wheel 3.
Trailing arm 6 is the nonferrous alloy mo(u)ldings such as aluminium alloy etc. Torque beam 5 is by aluminium alloy or ferroalloyThe product that the squeeze wood of making or sheet material form.
Trailing arm 6 has the beam junction surface 13 with torque beam 5 butts. Trailing arm 6 is divided into two from beam junction surface 13.Each branch is all formed as the circular shape R continuous with beam junction surface 13. Preferably, circular shape hasCompared with small curve (having compared with larger radius of curvature). The branching portion extending to vehicle front side in branching portion existsThis is called forearm 15, and in branching portion to vehicle rear-side extend another branching portion be called postbrachium 16.
Forearm 15 comprises that part 17(for being press-fitted lining hereinafter, is called " bush fitting portion 17 ").Flexible tubular lining 18 is press fitted in bush fitting portion 17. Lining 18 is by means of the swingable twelve Earthly Branches of bolt 21Support is on support 9. Support 9, lining 18 and bush fitting portion 17 have formed the swinging axle of suspension 2.
Postbrachium 16 comprises absorber installation portion 22, spring base 23 and bearing part 25.
Absorber installation portion 22 be arranged on postbrachium 16 on the surface of torque beam 5, namely, arrangeThe inner side of observing at the vehicle-width direction along automobile 1. Absorber installation portion 22 shock absorber for supporting swingably8 bottom. Shock absorber 8 is supported on absorber installation portion 22 swingably by means of bolt 26.
Spring base 23 extends to postbrachium 16 from beam junction surface 13. Spring base 23 is also arranged on along the car of automobile 1The inner side that width is observed. Spring base 23 contacts with the bottom of bearing spring 7. Bearing spring 7Upper end contacts to support vehicle body frame with the vehicle body frame of automobile 1.
Bearing part 25 is arranged on the surface with the surface opposite towards torque beam 5, namely, is arranged onOn the surface in the outside of observing towards the vehicle-width direction along automobile 1. Bearing part 25 supports via wheel hub 11Wheel 3.
Prolong with respect to the length direction along torque beam 5 (axially) at the junction surface 27 of trailing arm 6 and torque beam 5The datum line B stretching tilts.
Fig. 4 is that explanation is applied to according to the example load of the torque beam suspension of embodiment as shown in Figure 2Figure.
As shown in Figure 4, support according to the suspension 2 of present embodiment and make suspension 2 at automobile 1 by support 9Vertical direction on be swingable, and determine that by bearing spring 7 and shock absorber 8 suspension 2 is at automobile 1Vertical direction on position.
The cross force, longitudinal force and the vertical force that apply from the installation position of wheel 3, and when left and right oneThe rolling load that wheel 3 is applied during with vertical contrary phase-shifts is all applied to torque beam 5.
Fig. 5 to Fig. 7 shows the cross section of the various examples of torque beam according to the embodiment of the present inventionFigure.
As shown in Figures 5 to 7, according to the cross sectional shape of the torque beam 5 of the suspension 2 of present embodiment (alsoBe the cross sectional shape in the direction perpendicular to datum line B) be to open to a side in one directionBe the tabular of opening shape.
More specifically, torque beam 5 have along the length of its length direction and have U-shaped cross section (Fig. 5),V-arrangement cross section (Fig. 6) or C tee section (Fig. 7), these cross sections along the length direction of torque beam 5 (,Corresponding with datum line B is axial) open to a side. Note, in the embodiment here illustrating,With reference to accompanying drawing, torque beam 5 has as the upside of the sealing of non-open sides with as opening on its length directionPut the downside of the opening of side.
Fig. 8 also shows the sectional view illustrating according to the another example of the torque beam of embodiment.
As shown in Figure 8, the cross sectional shape of torque beam 5 is (namely, in the direction perpendicular to datum line BCross sectional shape) can be the tubulose that is opening shape of opening to a side in one direction. More specificallyGround, torque beam 5 has following U-shaped cross section: for example, by compressing cross sectional shape by means of plastic workingFor circular pipe forms this U-shaped cross section, and this U-shaped cross section along the length direction of torque beam 5 (,Axially) open.
Torque beam 5 based on having U-shaped cross section will be made following explanation.
Fig. 9 shows the cutting along datum line B of torque beam suspension according to the embodiment of the present inventionFace figure.
Figure 10 to Figure 13 show respectively along the line X-X in Fig. 9 intercept, along the line in Fig. 9XI-XI intercepts, intercept and line XIII-XIII in Fig. 9 intercepts turns round along the line XII-XII in Fig. 9The sectional view of square beam suspension.
Figure 14 shows the amplification solid of the trailing arm of torque beam suspension according to the embodiment of the present inventionFigure.
As shown in Fig. 9 to Figure 13, it is roughly even that the beam junction surface 13 of the suspension 2 of present embodiment has thicknessHollow-core construction and the cross sectional shape of sealing is provided.
In addition, the torque beam 5 of suspension 2 be open to a side in one direction be the tabular of opening shapeBeam. Torque beam 5 is open at the downside of automobile 1, namely, and along length direction (, the axle of torque beam 5To) open in road surface side.
The end face of torque beam 5 rolls tiltedly to vehicle central with respect to the plane vertical with datum line B.
Junction surface 27 is inclined to the illustrated upside of non-open sides C(of the opening shape that makes torque beam 5) withThe illustrated downside of open sides O() compare the center side (left side in Fig. 4 near the length direction of torque beam 5Side). In other words, the end of torque beam 5 is formed as from the non-open sides C of opening shape to open sides ODiminish towards front end. On the other hand, the end at beam junction surface 13 is from the non-open sides C corresponding to torque beam 5Position become large to the position corresponding to the open sides O of torque beam 5. The end at beam junction surface 13 is formed with edgeThe inclined plane 28 of the sloped-end of torque beam 5.
Protruding (projection) portion 29 is arranged on the end at beam junction surface 13 to be assembled to the end of torque beam 5.Protuberance 29 can have the location of beam junction surface 13 and torque beam 5 and engage required minimum projection. Work as protuberance29 while being assembled to torque beam 5, and the end face of torque beam 5 is against the end at beam junction surface 13, and torque beam 5Outer surface almost mutually flush with the outer surface at beam junction surface 13. Junction surface 27 is by means of welding or frictionStir weldering (frictionstirwelding) and engage in the whole periphery at junction surface 27, turn round to makeSquare beam 5 and trailing arm 6 become one.
In the suspension 2 with above-mentioned structure or structure, the area of section of trailing arm 6 is from having open cross-sections shapeThe torque beam 5 of shape and relative low rigidity towards the trailing arm 6(with closed cross-section shape and relative high rigidity moreParticularly, beam junction surface 13) increase gradually. Thereby, can suppress the junction surface of torque beam 5 and trailing arm 6The sharply variation of 27 rigidity.
Below, will further illustrate according to other examples of the suspension 2 of present embodiment. Note, respectivelyIn example in illustrated suspension 2A, 2B and 2C, have identical or roughly with the member of suspension 2 or partsThe member of same configuration or parts are endowed identical Reference numeral, and the repetitive description thereof will be omitted at this.
Figure 15 show torque beam suspension according to the embodiment of the present invention another example alongThe sectional view of datum line B.
Figure 16 to Figure 20 show torque beam suspension according to the embodiment of the present invention respectively alongLine XVI-XVI in Figure 15 intercepts, line XVII-XVII in Figure 15 intercepts, along the line in Figure 15XVIII-XVIII intercepts, along the line XIX-XIX in Figure 15 intercept, line XX-XX in Figure 15 cutsThe sectional view of getting.
Figure 21 shows the stereogram of the trailing arm of torque beam suspension according to the embodiment of the present invention.
As shown in Figure 14 to Figure 21, be included in the inclination at beam junction surface 13 according to the suspension 2A of present embodimentRecessed (depression) portion 31 of depression in face 28.
As observed on the length direction of torque beam shown in Figure 15 5, recess 31 has followingShape: cup depth h1 increases to the far-end Q of torque beam 5 gradually from being positioned at from torque beam 5 edge part P farthestGreatly, and cup depth h2 reduces to the far-end R at beam junction surface 13 gradually from the far-end Q of torque beam 5.
The cross section perpendicular to datum line B of recess 31 is circular shape.
Figure 22 and Figure 23 show example of trailing arm according to the embodiment of the present invention and anotherThe sectional view of example.
As shown in Figure 22 and Figure 23, according to the cross sectional shape of the recess 31 of the suspension 2A of present embodiment (alsoBe exactly the cross sectional shape in the direction perpendicular to datum line B) except circular shape, can also beRectangle (Figure 22) or V-arrangement (Figure 23).
Because the suspension 2A of said structure comprises the recess 31 in the inclined plane 28 of trailing arm 6, so trailing arm 6Can be configured to: make trailing arm 6 from torque beam 5 to trailing arm 6(more specifically, beam junction surface 13) cutMild than in suspension 2 of the recruitment of face area and variable quantity. Thereby, can suppress further torque beam5 and the sharply variation of the rigidity at the junction surface 27 of trailing arm 6.
Figure 24 show torque beam suspension according to the embodiment of the present invention another example alongThe sectional view of datum line B.
As shown in figure 24, the beam junction surface 13 of the suspension 2B of present embodiment is formed as its thickness and increases graduallyOr the shape increasing in step mode, and from torque beam 5 more away from its thickness increase greatlyr. Beam junction surface13 have minimum thickness at far-end R, and this thickness towards recess 31 from torque beam 5 edge farthestThe P of portion is little by little or with step mode thickening, and reaches the thickness identical with another part of trailing arm 6.
Although suspension 2B comprise with suspension 2A in similar recess 31, suspension 2B also can comprise withSimilar smooth inclined plane 28 in suspension 2.
In the suspension 2B of said structure or structure, the thickness at beam junction surface 13 is formed as its thickness and increases graduallyLarge or increase in step mode shape, and from torque beam 5 more away from its thickness increase greatlyr. Thereby,From trailing arm 6 to torque beam 5(more specifically, beam junction surface 13) area of section recruitment and changes of sectionMild than in suspension 2 and 2A of recruitment. Thereby, can suppress further torque beam 5 and trailing arm 6The sharply variation of the rigidity at junction surface 27.
Figure 25 show torque beam suspension according to the embodiment of the present invention another example alongThe sectional view of datum line B.
As shown in figure 25, on the length direction of torque beam 5, have corresponding to connecting trailing arm 6 and torque beam 5Junction surface 27 first area A1, corresponding to the second area except the A1 of first area of recess 31A2 and the 3rd region A3 except first area A1 and second area A2, present embodiment outstandingThe thickness in each region at the beam junction surface 13 of frame 2C is different.
First area A1 is the region from the far-end R at beam junction surface 13 to the far-end Q of torque beam 5.
Second area A2 is in the scope of recess 31, from the far-end Q of torque beam 5 to from torque beam 5 farthestThe region of edge part P.
The 3rd region A3 is the region that is positioned at the vehicle-width direction outside of edge part P, and Gai 3rd districtThe base portion at A3Shi Liang junction surface, territory 13.
A1 is the thinnest in first area, and the 3rd region A3 is the thickest. First area A1 and the 3rd region A3 are respectivelyFrom region in there is roughly thickness uniformly.
The model of the thickness of second area A2 between the thickness of first area A1 and the thickness of the 3rd region A3In enclosing, gradually change or change in step mode.
The suspension 2C of said structure comprises the second area A2 of varied in thickness (, variation in rigidity), fromAnd, at the junction surface 27(of trailing arm 6 and torque beam 5, first area A1) in the stress that producesBetween one region A1 and second area A2, share, thus part S concentrated stress is moved to second areaA2(is in Figure 25, and the concentrated part S of stress moves to double dot dash line part S2 from double dot dash line part S1),To reduce the load at the junction surface 27 that is applied to trailing arm 6 and torque beam 5. When the thickness of second area A2 is connecingWhile sharply variation in the part of nearly the 3rd region A3, it is remarkable that above-mentioned effect becomes.
According in suspension 2,2A, 2B and the 2C of present embodiment, compared with traditional suspension, due toTorque beam 5 and trailing arm 6 butts, thus the weight of this suspension can be alleviated more reliably, and more easilyDetermine the position of this suspension.
In addition, because junction surface 27 is according to the suspension 2 of present embodiment, 2A, 2B and 2C medium dip,So can suppress the sharply variation of the rigidity at junction surface 27, therefore can reduce stress and concentrate.
Further, in suspension 2,2A, 2B and the 2C of present embodiment, junction surface 27 is wholeIn periphery, engage. Therefore, between weld portion and non-weld portion, there is not border, and owing to not havingFretting fatigue can suppress stress and concentrate.
Further, in suspension 2,2A, 2B and the 2C of present embodiment, due to junction surface 27In outer surface almost flush, so near the stress that can reduce outer surface is concentrated. Further, thoughSo between the inner surface of torque beam 5 and the inclined plane 28 of trailing arm 6, can form step, but due to stress valueLower than outer surface side, so can not produce any problem.
Further, in suspension 2,2A, 2B and the 2C of present embodiment, beam junction surface 13 and frontPart between part between arm 15 and beam junction surface 13 and postbrachium 16 has respectively circular shape, fromAnd load passes smoothly from bush fitting portion 17, absorber installation portion 22, spring base 23 and bearing part 25Be delivered to torque beam 5, reduced thus stress and concentrated.
In addition, because suspension 2,2A, 2B and the 2C of present embodiment comprise in one direction to a sideOpen torque beam 5, so the present invention can be applied to the vehicle that does not need too large torsional rigid.
In addition, according in the suspension 2C of present embodiment, when junction surface 27 has the welding knot of aluminium alloyWhen structure, the junction surface 27 of making by the aluminium alloy that makes the strength of materials be tending towards reducing separates from stress concentration portionCertain distance, the stress that can reduce in junction surface 27 is concentrated.
As mentioned above, according to suspension 2,2A, 2B and the 2C of present embodiment, can prevent more reliablyThe increase of weight, the stress that can reduce in the junction surface 27 of trailing arm 6 and torque beam 5 is concentrated, and canEasily to determine the position of suspension.
Be also noted that, the invention is not restricted to above-mentioned embodiment, at the model that does not deviate from appended claimsIn the situation of enclosing, can carry out many other changes, modification or replacement.
Claims (12)
1. a torque beam suspension, it comprises:
Torque beam, what it was formed as opening to a side in the longitudinal direction be the tabular of opening shape orThe tubulose that is opening shape of opening to a side on length direction; With
A pair of trailing arm, it is connected to the both ends of described torque beam,
Wherein, described trailing arm has with the end butt of described torque beam and the beam that is formed as hollow-core construction and connectsClose portion,
The end of described torque beam is against the end at described beam junction surface, and the outer surface of described torque beamAlmost mutually flush with the outer surface at described beam junction surface.
2. torque beam suspension according to claim 1, is characterized in that, described trailing arm and described in turn roundThe datum line that extend with respect to the length direction along described torque beam at the junction surface of square beam tilts.
3. torque beam suspension according to claim 2, is characterized in that, described junction surface is inclined toMake to lean on compared with the non-open sides of described opening shape of described torque beam and the open sides of described torque beamThe center side of the length direction of nearly described torque beam.
4. according to the torque beam suspension described in claim 2 or 3, it is characterized in that the end of described torque beamPortion is formed as non-open sides the opening towards described opening shape from the described opening shape of described torque beamPut side and diminish gradually, and the end at described beam junction surface is formed with the sloped-end along described torque beamInclined plane.
5. torque beam suspension according to claim 4, is characterized in that, described beam junction surface comprisesThe recess caving in described inclined plane.
6. according to the torque beam suspension described in any one in claims 1 to 3, it is characterized in that, described inBeam junction surface is formed as the shape that its thickness increases gradually or increase in step mode, and from described moment of torsionBeam its thickness far away increases greatlyr.
7. torque beam suspension according to claim 5, is characterized in that, in the length of described torque beamDegree have in direction corresponding to connect described trailing arm and described torque beam described junction surface first area,Corresponding to the second area except described first area of described recess and except described the firstth districtThe 3rd region beyond territory and described second area, the thickness difference in each region at described beam junction surface,Wherein said first area is the thinnest, and described the 3rd region is the thickest, and the thickness of described second area is describedIn scope between the thickness in the thickness of first area and described the 3rd region, gradually change or with step sideFormula changes.
8. torque beam suspension according to claim 5, is characterized in that, described recess has rectangleCross sectional shape.
9. torque beam suspension according to claim 5, is characterized in that, described recess has V-arrangementCross sectional shape.
10. according to the torque beam suspension described in any one in claims 1 to 3, it is characterized in that instituteState the cross sectional shape that beam junction surface has sealing.
11. according to the torque beam suspension described in any one in claims 1 to 3, it is characterized in that instituteStating trailing arm is two from described beam bonding part, makes each to be formed as the circle continuous with described beam junction surfaceArc shape.
12. according to the torque beam suspension described in any one in claims 1 to 3, it is characterized in that instituteStating trailing arm is nonferrous alloy mo(u)lding, described torque beam be the squeeze wood made by aluminium alloy or ferroalloy orThe product that person's sheet material forms.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013090495A JP6136523B2 (en) | 2013-04-23 | 2013-04-23 | Torsion beam suspension |
| JP2013-090495 | 2013-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104118296A CN104118296A (en) | 2014-10-29 |
| CN104118296B true CN104118296B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410110741.5A Expired - Fee Related CN104118296B (en) | 2013-04-23 | 2014-03-24 | Torque beam suspension |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6136523B2 (en) |
| CN (1) | CN104118296B (en) |
| DE (1) | DE102014203886A1 (en) |
| IN (1) | IN2014DE00557A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6464825B2 (en) * | 2015-03-02 | 2019-02-06 | スズキ株式会社 | Torsion beam suspension |
| JP6278096B1 (en) * | 2016-11-21 | 2018-02-14 | マツダ株式会社 | Vehicle suspension system |
| CN111890864B (en) * | 2020-06-16 | 2023-04-14 | 吉利汽车研究院（宁波）有限公司 | Interior welt and torsion rigidity adjustable torsion beam structure |
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| EP1036678A2 (en) * | 1999-03-13 | 2000-09-20 | ThyssenKrupp Automotive AG | Twist-beam rear axle |
| JP2000318420A (en) * | 1999-05-17 | 2000-11-21 | Daihatsu Motor Co Ltd | Trailing arm type suspension |
| CN1495054A (en) * | 2002-07-04 | 2004-05-12 | 本田技研工业株式会社 | Torque beam suspension |
| CN101479122A (en) * | 2006-07-04 | 2009-07-08 | 奥斯特姆有限公司 | Torsion beam axle having connecting tube between torsion beam and trailing arm |
| JP2012140031A (en) * | 2010-12-28 | 2012-07-26 | Toyota Motor Corp | Torsion beam type suspension |
| JP2012176685A (en) * | 2011-02-25 | 2012-09-13 | Futaba Industrial Co Ltd | Torsion beam type suspension |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845108U (en) * | 1981-09-22 | 1983-03-26 | マツダ株式会社 | Automobile rear wheel suspension system |
| DE10207151C1 (en) * | 2002-02-20 | 2003-02-13 | Benteler Automobiltechnik Gmbh | Compound steering axle has transverse strut between 2 longitudinal steering shafts formed from upper and lower shells |
| US7377041B2 (en) * | 2003-06-18 | 2008-05-27 | Donghee Industrial Co., Ltd. | Torsion beam type suspension, method for forming torsion beam, and apparatus for forming torsion beam |
| JP4544001B2 (en) * | 2005-03-31 | 2010-09-15 | 三菱自動車工業株式会社 | Torsion beam type rear suspension structure |
-
2013
- 2013-04-23 JP JP2013090495A patent/JP6136523B2/en active Active
-
2014
- 2014-02-27 IN IN557DE2014 patent/IN2014DE00557A/en unknown
- 2014-03-04 DE DE201410203886 patent/DE102014203886A1/en active Pending
- 2014-03-24 CN CN201410110741.5A patent/CN104118296B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1036678A2 (en) * | 1999-03-13 | 2000-09-20 | ThyssenKrupp Automotive AG | Twist-beam rear axle |
| JP2000318420A (en) * | 1999-05-17 | 2000-11-21 | Daihatsu Motor Co Ltd | Trailing arm type suspension |
| CN1495054A (en) * | 2002-07-04 | 2004-05-12 | 本田技研工业株式会社 | Torque beam suspension |
| CN101479122A (en) * | 2006-07-04 | 2009-07-08 | 奥斯特姆有限公司 | Torsion beam axle having connecting tube between torsion beam and trailing arm |
| JP2012140031A (en) * | 2010-12-28 | 2012-07-26 | Toyota Motor Corp | Torsion beam type suspension |
| JP2012176685A (en) * | 2011-02-25 | 2012-09-13 | Futaba Industrial Co Ltd | Torsion beam type suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014213641A (en) | 2014-11-17 |
| JP6136523B2 (en) | 2017-05-31 |
| IN2014DE00557A (en) | 2015-06-12 |
| CN104118296A (en) | 2014-10-29 |
| DE102014203886A1 (en) | 2014-10-23 |
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