CN107867141A - Twist-beam suspension and the stiffener for twist-beam suspension - Google Patents

Twist-beam suspension and the stiffener for twist-beam suspension Download PDF

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Publication number
CN107867141A
CN107867141A CN201710874276.6A CN201710874276A CN107867141A CN 107867141 A CN107867141 A CN 107867141A CN 201710874276 A CN201710874276 A CN 201710874276A CN 107867141 A CN107867141 A CN 107867141A
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CN
China
Prior art keywords
stiffener
trailing arm
state
twist
base end
Prior art date
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Granted
Application number
CN201710874276.6A
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Chinese (zh)
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CN107867141B (en
Inventor
植木谦二
竹田笃
浦田学
安藤正志
泷泽伸次
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Mitsubishi Motors Corp
Hiruta Kogyo Co Ltd
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Mitsubishi Motors Corp
Hiruta Kogyo Co Ltd
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Publication of CN107867141A publication Critical patent/CN107867141A/en
Application granted granted Critical
Publication of CN107867141B publication Critical patent/CN107867141B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/18Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02Interconnection 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
    • B60G21/04Interconnection 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
    • B60G21/05Interconnection 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
    • B60G21/051Trailing arm twist beam axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10Type of spring
    • B60G2202/13Torsion spring
    • B60G2202/136Twist-beam type arrangement

Abstract

A kind of twist-beam suspension and stiffener are provided, when power acts on trailing arm, stress concentration can be prevented in the bonding part of trailing arm and stiffener.Twist-beam suspension includes:The trailing arm of pair of right and left;Torsion beam, its both ends are the state for being fixed in trailing arm;Stiffener, its base end side is the state fixed relative to trailing arm, its front is the state fixed relative to torsion beam, stiffener possesses multiple projections in its base end side, multiple projections are in state of looking up or the shape that the base end side front end of stiffener attenuates is directed towards under vertical view state, state of multiple projections with trailing arm for welding.

Description

Twist-beam suspension and the stiffener for twist-beam suspension
Technical field
Stiffener (reinforcer) the present invention relates to twist-beam suspension and for twist-beam suspension.
Background technology
Twist-beam suspension is mainly used in the trailing wheel of front wheel drive car.It is torsion beam suspension in pair of right and left by strip member Trailing arm between.Wheel is supported with trailing arm, if the wheel of left and right waits and independently displacement, torsion beam because of the bumps on road surface Or reverse or bend and elastic deformation, so as to allow the wheel of left and right and trailing arm independently upper and lower displacement.If road surface becomes flat Then torsion beam is recovered to the shape of script, so that trailing arm and wheel recover to the position of script.On the other hand, if left and right Wheel etc. mutually ground displacement, then left and right wheel integratedly swung up and down with trailing arm.
The suspension frame structure for possessing torsion beam and trailing arm is recorded in patent document 1, the torsion beam is built-in with bar-shaped Stabilizer.The bracket for possessing inclined ramp, the first convex portion, the second convex portion etc. is fixed with the end of torsion beam.And the bracket Inclined plane and the first convex portion the inwall of torsion beam is fixed in by welding, the second convex portion of the bracket is consolidated by welding Due to the outer wall of trailing arm.
The twist-beam suspension structure of bar-shaped stabilizer is recorded in patent document 2 built-in.Stabilizer is by hollow And the stabilizer in big footpath and the stabilizer of path are formed, and the stabilizer of the path is penetrated to the stabilizer in big footpath.Big footpath Stabilizer fixed in the state of the through hole to triangle contact pin is inserted through with triangle contact pin.The stabilizer of path is being inserted through Fixed to being arranged in the state of a pair of through holes of trailing arm with trailing arm.
Prior art literature
Patent document
Patent document 1:Japanese Laid-Open 2012-11140 publications
Patent document 2:Japanese Laid-Open 2007-246043 publications
The content of the invention
Invention technical problems to be solved
In the suspension frame structure of patent document 1, trailing arm is fixed in the second convex portion by welding, thus links bracket with dragging Arm.Second convex portion is trapezoidal under state of looking up.Therefore, when trailing arm and wheel integratedly move up and down, stress concentration is the The angle part of two convex portions, trailing arm there is a possibility that cracked etc. damaged.
In the twist-beam suspension of patent document 2, by the way that triangle contact pin is welded in into trailing arm to enter joining line to both. Triangle contact pin is rectangle under state of looking up.Therefore, when trailing arm and wheel integratedly move up and down, stress concentration is in connection delta The angle part of piece, trailing arm there is a possibility that cracked etc. damaged.
In view of the above problems, present invention aims at a kind of twist-beam suspension and stiffener is provided, in masterpiece During for trailing arm, stress concentration can be prevented in the bonding part of trailing arm and stiffener.
For solving the scheme of above-mentioned technical problem
Solve above-mentioned technical problem by following twist-beam suspension, the twist-beam suspension, including:Pair of right and left Trailing arm;Torsion beam, its both ends are the state for being fixed in trailing arm;Stiffener, its base end side are to be fixed in trailing arm State, its front are the state for being fixed in torsion beam, and stiffener possesses multiple projections in its base end side, and multiple projections exist Look up and the shape that the base end side front end of stiffener attenuates is directed towards under state or under vertical view state, multiple projections are with trailing arm The state of welding.
Solves above-mentioned technical problem by stiffener, the stiffener is the stiffener of twist-beam suspension, tool Have:The installation portion of base end side, for being fixed on trailing arm;The installation portion of front, for being fixed on torsion beam, wherein, strengthen structure Part possesses multiple projections in the installation portion of its base end side, and multiple projections are directed towards strengthening under state of looking up or under vertical view state The shape that the base end side front end of component attenuates.
The projection for the shape that attenuates in the multiple front ends of base end side setting of stiffener, thus in trailing arm displacement up and down, Stress concentration can be prevented in the bonding part of stiffener and trailing arm.
It is toroidal that the fore-end of multiple projections, which is preferably under vertical view state or looked up under state,.It is circular and unlimited In positive round.It is toroidal by making the fore-end of projection, the concentration of stress can be more efficiently prevented from.
Preferably possess between multiple projections by with front end attenuate shape multiple projections the continuous curve structure in inclined-plane Into recess.Thereby, it is possible to more efficiently prevent from the concentration of stress.
It is preferably constructed under vertical view state or looks up under state, connection of the stiffener in stiffener and trailing arm Part possess from front end attenuate shape projection inclined-plane towards stiffener the continuous rake in front, utilize rake So that the width for the installation portion installed to trailing arm gradually becomes from the base end side of stiffener towards the front of stiffener Greatly.By setting rake, make the area increase that trailing arm contacts with stiffener, it is possible to increase bond strength and can prevent The concentration of stress.
Preferably stiffener is the part of tabular, possesses the installation portion installed to trailing arm in its base end side, the peace Dress portion possesses multiple projections, possesses the installation portion installed to torsion beam in its front.Thus, while structure can will be strengthened The weight of part suppresses smaller, while can strengthen trailing arm and torsion beam securely by stiffener.
Preferably stiffener possesses to the bending part after planar side or bottom surface side bending, by being welded and fixed bending part With torsion beam.By setting bending part in stiffener, it is possible to increase the rigidity of stiffener.In addition, by the way that bending part is made For welding surplus weld job can simply and be reliably carried out to use.
Invention effect
A kind of twist-beam suspension and stiffener are provided, when power acts on trailing arm, can prevent stress concentration from existing The bonding part of trailing arm and stiffener.
Brief description of the drawings
Fig. 1 is the upward view for the embodiment for showing twist-beam suspension.
Fig. 2 is the amplification inclinating view of a part for the Fig. 1 enlargedly shown twist-beam suspension.
Fig. 3 is the rearview of Fig. 1 twist-beam suspension.
Fig. 4 is the stereogram of Fig. 1 twist-beam suspension from face side.
Fig. 5 is the sectional view in Fig. 2 AA portions.
Fig. 6 is the sectional view in Fig. 2 BB portions.
Fig. 7 is the sectional view in Fig. 2 CC portions.
Fig. 8 is the sectional view in Fig. 2 DD portions.
Fig. 9 is the upward view for the twist-beam suspension for having carried out CAE parsings.
Figure 10 is the upward view of the twist-beam suspension for the comparative example for having carried out CAE parsings.
Embodiment
Hereinafter, while one side for implementing embodiments of the present invention to illustrating referring to the drawings.Reality as shown below Apply one that mode is only embodiments of the present invention.
Fig. 1 to Fig. 8 shows one of embodiments of the present invention.The twist-beam suspension 1 of present embodiment possesses:Left and right A pair of trailing arm 11;Torsion beam 12, its both ends are the state for being fixed in trailing arm 11;A pair of stiffeners 13, are fixed in The bottom surface side (looking up side) of trailing arm 11 and the bottom surface side of torsion beam 12;Second stiffener 14, it is fixed in the flat of trailing arm 11 Surface side (vertical view side) and the planar side of torsion beam 12.
As shown in Fig. 1 etc., in the present embodiment, possesses the supporting member 16 of wheel in a side of trailing arm 11.At this In embodiment, supporting member 16 includes the referred to as sheet material of end plate 17 and axletree 15, axletree 15 from the middle body of end plate 17 to The left direction or right direction of vehicle protrude.In the state of axletree 15 to be inserted to the axis hole to wheel side, make wheel relative to The face of end plate 17 contacts, and supports wheel.
As shown in Fig. 1 etc., possesses the installing component 18 installed relative to vehicle in the another side of trailing arm 11.In this implementation In mode, relative to the installing component 18 of vehicle, it is configured to be built-in with by the bullet of rubber etc. among hollow tubular part 19 Property body form axle sleeve.Moreover, trailing arm 11 passes through solder joints with hollow tubular part 19.Pacify by twist-beam suspension 1 When on car body, the axle of vehicle side is inserted to the hole of axle sleeve, trailing arm 11 is rotatably supported relative to car body.If load passes through Trailing arm 11 is input to by wheel, then regard the axle by the vehicle side of axle sleeve as center, side rotatably supports at one end Wheel is together with trailing arm 11 relative to the above-below direction displacement of vehicle.
Trailing arm 11 is that the steel plate after bending machining is opened by solder joints 2 to form, and under vertical view state or looks up shape Turn into the curved shape that the center direction of central portion towards vehicle is recessed as bow under state.Because the trailing arm 11 is by 2 bendings The steel plate of processing is formed, so being hollow part, as shown in fig. 6, its cross sectional shape is the substantially square from its one end to the other end Shape, from a side of trailing arm to another side in hollow.The trailing arm 11 of vehicle right side is that left and right is right with the trailing arm 11 of vehicle left side The shape of title.Because trailing arm 11 is configured to hollow, the lightweight of twist-beam suspension 1 can be made.
As shown in figure 5, torsion beam 12 possesses:The sheet material 121 of planar side, the sheet material 122 of vehicle frontal side, vehicle rear side Sheet material 123, from the respective edge of the sheet material 122 of face side and the sheet material 123 of rear side project to face side or the back of the body The flange 124 of surface side, the section of torsion beam 12 is eaves shape for hat shape.Make sheet material 121, the face side of the planar side of the torsion beam 12 Sheet material 122 and rear side 123 respective end abutment of sheet material in the teat of trailing arm 11, make the bottom surface side of torsion beam 12 It is open as towards the state of the bottom surface side of vehicle, by being welded and fixed trailing arm 11 and torsion beam 12.
In the present embodiment, the support 23 of shock absorber is provided with the inside of a side of trailing arm 11.Shock absorber Support 23 is the groove being made up of the sheet material of the sheet material of bottom surface side, the sheet material in left side and right side, and the groove is towards the front of vehicle Side extends.The support 23 of shock absorber, on the sheet material of left and right amount to possess 2 be used for support configure in the end of shock absorber The through hole of axle, in order to house shock absorber end, the planar side of the support 23 of shock absorber is opened wide.
In the present embodiment, set in the support 23 of shock absorber and configuration between the teat of the central portion of trailing arm 11 There is the support 25 of helical spring.Sheet material of the support 25 of helical spring by bottom surface side and sheet material from the bottom surface side swell to The sheet material of planar side is formed, and is the disk shaped part of the center direction extension of the lateral torsion beam 12 out of trailing arm.
In the present embodiment, stiffener is fixed respectively in a manner of across the bonding part of trailing arm 11 and torsion beam 12 13 and second stiffener 14.In the present embodiment, the base end side of stiffener 13 is fixed in the bottom surface side of trailing arm 11, its Front is fixed in the inner surface (back side) of the sheet material 121 for the planar side for forming torsion beam 12.Moreover, as shown in figure 4, second The base end side of stiffener 14 is fixed in the planar side of trailing arm 11 by welding, and its front is fixed in composition by welding The surface of the sheet material 121 of the planar side of torsion beam 12.
As shown in Figure 1 and Figure 2, the base end side of stiffener 13 is provided with multiple projections 131.The shape of projection 131 Under state of looking up for projection 131 width towards stiffener 13 base end side and shape that front end attenuates, i.e. conical by its shape. And the shape of the fore-end of each projection 131 is in rounded shape under state of looking up.
In the present embodiment, the quantity of projection 131 is 2.Number of projection is preferably more than 2, and preferably 4 Below.Between the projection 131 for the shape that attenuates 2 front ends, it is provided with by continuously bent with the inclined-plane 132 of the inner side of projection 131 The recess 133 that line is formed.The shape of recess 133 is on the basis of the front end of 2 projections 131, in towards the front end of stiffener 13 The shape of side depression.Because recess 133 is made up of curve, without angle.
Attenuate the inclined-plane 132 in the outside of the projection 131 of shape 2 front ends, from the inclined-plane 132 towards stiffener before The continuous rake 134 in side is arranged at the coupling part of stiffener 13 and trailing arm 11.The rear side and face side of vehicle It is both provided with rake 134.Using rake 134, its width of the base end side of stiffener 13 is set to become in front end for integrally Thin conical by its shape.By setting rake 134, increase the distance (area) that stiffener 13 contacts with trailing arm 11, can Improve both bond strengths.In addition, by tapered shape, stress concentration can be prevented in both bonding parts.Make In the case that the contact portion of stiffener 13 and trailing arm 11 is linear, compared with the above case, contact area is reduced.Link Rake 134, projection 131, inclined-plane 132, recess 133, inclined-plane 132, the line of projection 131 and rake 134 are curve, are not had Corner.Thus, it is possible to effectively prevent stress in concentration of local.
As it appears from the above, the base end side of stiffener 13 turns into the installation portion 135 installed relative to trailing arm 11.The peace of base end side In such as Fig. 2 of dress portion 135 × shown, in the state of docking trailing arm 11 with stiffener 13, to link the rake of rear side 134th, the mode of the rake 134 of the projection 131 of rear side, recess 133, the projection 131 of face side and face side, continuously The bottom surface side and stiffener 13 of trailing arm 11 are welded, thus fixes trailing arm 11 and stiffener 13.
As shown in Fig. 2 the front of stiffener 13 turns into the installation portion 136 relative to torsion beam 12.The peace of front Dress portion 136 be in towards front and shape that its width front end attenuates, possessing multiple projections 137 and cutting part 138, it is described Cutting part 138 configures between the projection 137 and continuous with the projection 137.In the present embodiment, multiple projections 137 are one It is right, by the way that flex point 143 is arranged on into projection 137, when torsion beam 12 produces and reverses or bend, it can prevent stress concentration from adding The front of strong component 13 and the bonding part of torsion beam 12.As shown in Fig. 2 and Fig. 8, from the front of stiffener 13 Width begin to change into position to the scope at the about middle part of projection 137, the edge of the left and right of stiffener 13 that front end attenuates To bottom surface side bending.The rigidity of stiffener 13 in front improves because of the bending part 142 positioned at the front.In addition, Can simply and reliably it be welded by the bending part 142.
Stiffener 13 is the installation portion 135 of the base end side of stiffener 13 and the installation portion 136 of its front with Between portion 139 it is continuous obtained from whole steel plate.As shown in fig. 6, the bottom surface side of trailing arm 11 is located at the plane than forming torsion beam 12 The lower position of the sheet material 121 of side.Therefore, stiffener 13 turns into the bottom surface side possessed from trailing arm 11 under its side view state The plate-shaped member of the inclined plane little by little risen towards the sheet material 121 of planar side.Moreover, as shown in Fig. 2 and Fig. 7, strengthen structure Scope of the edge of the left and right of part 13 from the installation portion 135 of base end side to pars intermedia 139 is to planar side bending.Using positioned at from this Bending part 141 of the base end side to pars intermedia 139, it is possible to increase the rigidity of 139 stiffener 13 from base end side to pars intermedia.
The pars intermedia 139 of stiffener 13 linear shape under state of looking up, there is the width with the opening of torsion beam 12 The width of same degree is spent, the size of its width is continuous on the length direction of beam.Therefore, by the base end side of torsion beam 13 Installation portion 135 is fixed on trailing arm 11, the installation portion 136 of the front of stiffener 13 is fixed on into torsion beam 12, in the state Under, as shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 8, the pars intermedia 139 of stiffener 13 is incorporated in the installation portion 136 of front Among the groove of torsion beam 12.
As Fig. 2 and Fig. 7 × it is shown, in pars intermedia 139, the sheet material 122 of the face side of torsion beam 12 or the back side The sheet material 123 of side is consolidated with the bending part 141 of the face side of stiffener 13 or the bending part 141 of rear side by welding It is fixed.By being utilized using bending part 141 as welding surplus, the rigidity of stiffener can not only be improved, and can be simple And reliably welded.
As shown in Fig. 2 and Fig. 5, in the front of stiffener 13, the interior table of the sheet material 121 of the planar side of torsion beam 12 Face and the projection 137 of stiffener 13 are fixed by welding.The sheet material 122 of the face side of torsion beam 12 and the sheet material of planar side 121 bonding part, in not having angular circular shape.Similarly, the sheet material 123 of the rear side of torsion beam 12 and the plate of planar side The bonding part of material 121, in not having angular circular shape.Therefore, as shown in Fig. 2, Fig. 5 and Fig. 8, by continuously weld by From the pars intermedia 139 of stiffener 13 to the region of the installation portion 136 of its front, the sheet material from face side is continuously fixed on 122 or rear side sheet material 123 arrive planar side sheet material 121.Thereby, it is possible to obtain high bond strength.
As Fig. 2 × it is shown, also can continuously weld the base end side of pars intermedia 139 and stiffener 13.Thus, torsion These three parts of beam 12, stiffener 13 and trailing arm 11 can be mutually securely fixed.For example, reverse in torsion beam 12 or During flexure or trailing arm 11 is in the vertical direction in the case of displacement, can prevent torsion beam 12, stiffener 13 and trailing arm 11 separate from welding portion.
As shown in Figure 1, Figure 2 and shown in Fig. 7, with continuous on the installation portion 135 of the base end side of stiffener 13 and pars intermedia 139 Mode, stiffener 13 base end side set towards bottom surface side expansion welding bead 140.Thus, trailing arm 11 and torsion are improved The intensity of the bonding part of beam 12.For example, when torsion beam 12 is reversed or bent or the displacement in the vertical direction of trailing arm 11 In the case of, it can prevent from producing from the bonding part of torsion beam 12 and trailing arm 11 and bend such deform.
Second stiffener 14 is shorter in the longitudinal direction compared with stiffener 13, base end side installation portion with before The installation portion of side possesses welding surplus respectively.It is different from stiffener 13, projection is not set in the welding surplus.
In the twist-beam suspension 1 of above-mentioned embodiment, use, lead to using multiple projections 131 as welding surplus After being reciprocally welded and fixed trailing arm 11 and stiffener 13.Therefore, making trailing arm from wheel input load etc., about 11 status During shifting, make to be applied to stiffener 13 using multiple projections 131 and the stress of the bonding part of trailing arm 11 disperses, can prevent from pressing Power concentrates on specific position.In addition, make the toroidal that is shaped as of the fore-end of projection 131, or will be made up of curve Recess 133 is configured between projection 131, because rake 134 configures the coupling part in stiffener 13 and trailing arm 11, In above-mentioned such ground displacement etc., stress concentration can be more efficiently prevented from specific position.Thereby, it is possible to prevent stress Repeat function grades in the junction surface of trailing arm 11 and stiffener 13 and causes the generation that grades at junction surface damaged.
In the above-described embodiment, stiffener 13 is set in the bottom surface side of twist-beam suspension 1, set in its planar side Second stiffener 14, in the state that the bottom surface side for the torsion beam 12 for possessing opening is the bottom surface side towards twist-beam suspension 1 Lower fixed torsion beam 12 and trailing arm 11.Following change can also be carried out.That is, set in the planar side of twist-beam suspension Stiffener, the second stiffener is set in its bottom surface side, is towards torsion beam type in the bottom surface side for the torsion beam for possessing opening In the state of the planar side of suspension, fixed torsion beam and trailing arm.
Embodiment
In the twist-beam suspension for possessing the structure shown in Fig. 9 and Figure 10, the helical spring of left and right is respectively relative to Support and shock absorber support and how inferior phase when applying load, by CAE parsings obtain application to Fig. 9 and The stress of location A and B location in Figure 10.Fig. 9 twist-beam suspension possesses and the embodiment phase shown in Fig. 1 to Fig. 8 Same composition, hereinafter referred to as embodiment.In Fig. 10, the only shape and Fig. 9 of the installation portion of the base end side of stiffener 130 Shown embodiment is different, hereinafter referred to as comparative example.
The result of parsing be in the twist-beam suspension of embodiment, compared with the twist-beam suspension of comparative example, location A The stress at place about reduces 18%.In addition, embodiment, compared with comparative example, the stress of B location also about reduces 30%.Enter And be able to confirm that, compared with the twist-beam suspension of comparative example, in the twist-beam suspension of embodiment, location A and B location The stress value of region entirety in addition also reduces.
The twist-beam suspension for possessing embodiment and the composition of comparative example is made respectively, carries out following experiment:Respectively etc. Xiang Di, load is forcibly repeatedly applied to support to the support of the helical spring of left and right and shock absorber.Thus, than Compared with the twist-beam suspension of example, when number of repetition is fewer than the twist-beam suspension of embodiment, the breakage of trailing arm is just generated.
Description of reference numerals
1 twist-beam suspension
11 trailing arms
12 torsion beams
13 stiffeners
131 projections
The inclined-plane of 132 projections
133 recesses
134 rakes

Claims (7)

1. a kind of twist-beam suspension, including:The trailing arm of pair of right and left;Torsion beam, its both ends are to be fixed relative to trailing arm State;Stiffener, its base end side are the state fixed relative to trailing arm, and its front is to be fixed relative to torsion beam State, wherein,
Stiffener possesses multiple projections in its base end side,
Multiple projections are directed towards the shape that the base end side front end of stiffener attenuates under state of looking up or under vertical view state,
State of multiple projections with trailing arm for welding.
2. twist-beam suspension as claimed in claim 1, it is characterised in that the fore-end of multiple projections is under vertical view state Or it is toroidal to look up under state.
3. twist-beam suspension as claimed in claim 1 or 2, it is characterised in that between multiple projections, possess by with front end The recess that the continuous curve in inclined-plane of the multiple projections for the shape that attenuates is formed.
4. twist-beam suspension as claimed in claim 1 or 2, it is characterised in that stiffener is the part of tabular, in its base Side possesses the installation portion installed to trailing arm, and the installation portion possesses multiple projections, possesses to torsion beam in its front The installation portion of row installation.
5. twist-beam suspension as claimed in claim 1 or 2, it is characterised in that under vertical view state or look up under state, Stiffener possess in the coupling part of stiffener and trailing arm from front end attenuate shape projection inclined-plane towards stiffener The continuous rake in front,
Using rake so that the width for the installation portion installed to trailing arm is from the base end side of stiffener towards stiffener Front become larger.
6. twist-beam suspension as claimed in claim 1 or 2, it is characterised in that stiffener possesses to planar side or bottom Bending part after the bending of surface side,
State of the bending part with torsion beam for welding.
7. a kind of stiffener of twist-beam suspension, has:The installation portion of base end side, for being fixed on trailing arm;Front Installation portion, for being fixed on torsion beam, wherein,
Stiffener possesses multiple projections in the installation portion of its base end side,
Multiple projections are directed towards the shape that the base end side front end of stiffener attenuates under state of looking up or under vertical view state.
CN201710874276.6A 2016-09-27 2017-09-25 Torsion beam type suspension and reinforcing member for torsion beam type suspension Active CN107867141B (en)

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JP2016188810A JP6918300B2 (en) 2016-09-27 2016-09-27 Torsion beam suspension and reinforcement members used for it
JP2016-188810 2016-09-27

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CN107867141B CN107867141B (en) 2022-06-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111746216A (en) * 2019-03-29 2020-10-09 株式会社 F.泰克 Torsion beam type suspension
CN112513491A (en) * 2018-07-20 2021-03-16 本田技研工业株式会社 Suspension bushing and suspension device
CN113352837A (en) * 2020-03-05 2021-09-07 株式会社 F.泰克 Torsion beam type suspension
DE102021109912A1 (en) 2021-04-20 2022-10-20 Ford Global Technologies Llc Semi-rigid axle for a vehicle

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101284487A (en) * 2008-04-29 2008-10-15 奇瑞汽车股份有限公司 Torsion girder-like rear suspension
KR20100056887A (en) * 2008-11-20 2010-05-28 현대자동차주식회사 Rear suspension of coupled torsion beam axle type
DE102009050058A1 (en) * 2009-10-21 2011-04-28 Volkswagen Ag Torsion beam axle for passenger car, has cross beam exhibiting increased wall thickness at sections around ends of reinforcement elements, where wall thickness of beam is larger than wall thickness at central section of beam
CN103448502A (en) * 2012-06-04 2013-12-18 上海通用汽车有限公司 Vehicle torsion bar beam rear suspension
CN103522864A (en) * 2013-05-29 2014-01-22 上海汇众汽车制造有限公司 Torsion beam rear axle crossbeam
JP2015229372A (en) * 2014-06-03 2015-12-21 フタバ産業株式会社 Torsion beam type suspension
JP2016101849A (en) * 2014-11-28 2016-06-02 スズキ株式会社 Torsion beam type suspension structure
JP2016101848A (en) * 2014-11-28 2016-06-02 スズキ株式会社 Suspension structure
JP2016164009A (en) * 2015-03-06 2016-09-08 株式会社エフテック Torsion beam type suspension

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050101899A (en) * 2004-04-20 2005-10-25 현대자동차주식회사 Coupled torsion beam suspension of a vehicle
DE102008036340B4 (en) * 2008-08-04 2021-08-05 Volkswagen Ag Motor vehicle with a twist beam axle
DE102012104999B4 (en) * 2012-06-11 2015-09-03 Benteler Automobiltechnik Gmbh Twist-beam axle with reinforcing plate and method for its production
DE102015209039A1 (en) * 2015-05-18 2016-11-24 Volkswagen Aktiengesellschaft Twist-beam rear axle for a motor vehicle and motor vehicle with such a torsion beam rear axle

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101284487A (en) * 2008-04-29 2008-10-15 奇瑞汽车股份有限公司 Torsion girder-like rear suspension
KR20100056887A (en) * 2008-11-20 2010-05-28 현대자동차주식회사 Rear suspension of coupled torsion beam axle type
DE102009050058A1 (en) * 2009-10-21 2011-04-28 Volkswagen Ag Torsion beam axle for passenger car, has cross beam exhibiting increased wall thickness at sections around ends of reinforcement elements, where wall thickness of beam is larger than wall thickness at central section of beam
CN103448502A (en) * 2012-06-04 2013-12-18 上海通用汽车有限公司 Vehicle torsion bar beam rear suspension
CN103522864A (en) * 2013-05-29 2014-01-22 上海汇众汽车制造有限公司 Torsion beam rear axle crossbeam
JP2015229372A (en) * 2014-06-03 2015-12-21 フタバ産業株式会社 Torsion beam type suspension
JP2016101849A (en) * 2014-11-28 2016-06-02 スズキ株式会社 Torsion beam type suspension structure
JP2016101848A (en) * 2014-11-28 2016-06-02 スズキ株式会社 Suspension structure
JP2016164009A (en) * 2015-03-06 2016-09-08 株式会社エフテック Torsion beam type suspension

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112513491A (en) * 2018-07-20 2021-03-16 本田技研工业株式会社 Suspension bushing and suspension device
CN111746216A (en) * 2019-03-29 2020-10-09 株式会社 F.泰克 Torsion beam type suspension
CN111746216B (en) * 2019-03-29 2023-05-30 株式会社 F.泰克 Torsion beam type suspension
CN113352837A (en) * 2020-03-05 2021-09-07 株式会社 F.泰克 Torsion beam type suspension
DE102021109912A1 (en) 2021-04-20 2022-10-20 Ford Global Technologies Llc Semi-rigid axle for a vehicle

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