CN107554230A - Twist-beam suspension and the trailing arm for twist-beam suspension - Google Patents
Twist-beam suspension and the trailing arm for twist-beam suspension Download PDFInfo
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- CN107554230A CN107554230A CN201710456700.5A CN201710456700A CN107554230A CN 107554230 A CN107554230 A CN 107554230A CN 201710456700 A CN201710456700 A CN 201710456700A CN 107554230 A CN107554230 A CN 107554230A
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- trailing arm
- twist
- opening
- beam suspension
- possess
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Abstract
A kind of twist-beam suspension etc. is provided, possesses trailing arm, under 1G states, will can naturally be expelled to outside into rainwater or dust being configured to inside the trailing arm of hollow form etc..The twist-beam suspension possesses：Trailing arm, pair of right and left, section are hollow form；Torsion beam, one side is fixed in trailing arm with another side, possesses the opening connected with hollow bulb in a side of trailing arm, the shape of the bottom surface of trailing arm possesses the rake declined under 1G states from another side towards opening, rake guides the path to opening to work as by the water inside entering, and is open and is worked as the osculum for discharging the water in trailing arm.
Description
Technical field
Trailing arm 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 that torsion beam is fixed on pair of right and left by strip member
Trailing arm between.Wheel is supported with trailing arm.If wheel because of the displacements such as the bumps on road surface, torsion beam or torsion or flexure and
Elastic deformation, so as to allow the displacement of trailing arm and its wheel supported.Torsion beam is recovered to originally if road surface becomes flat
Shape so that trailing arm and wheel recover to the position of script.
For example, recorded a kind of twist-beam suspension in patent document 1, the direction of arm-piece is directed away from by torsion beam
Cross sectional shape is changed to 1 layer or multilayer.The end of damper side is recorded in Fig. 1 of patent document 1 turns into opening
Trailing arm.
A kind of twist-beam suspension has been recorded in patent document 2, has been possessed in front and top with the arch of skewed protrusion
The torsion beam of shape shape.In Fig. 8 of patent document 2, the end of damper side is recorded in the same manner as patent document 1 to be turned into
The trailing arm of opening.
In patent document 3, a kind of trailing arm is recorded, arm-piece structural portion is set in the bound fraction of trailing arm and end plate.Root
It can be relaxed in stress concentration caused by the weld part of trailing arm and hub bonded block according to the structure.
Prior art literature
Patent document
Patent document 1：Japanese Laid-Open 2011-39135 publications
Patent document 2：Japanese Laid-Open 2015-174641 publications
Patent document 3：Japanese Laid-Open 2013-023150 publications
The content of the invention
Invention technical problems to be solved
In the trailing arm of patent document 1, the opening of damper side is upward.Accordingly, it is possible to can be in the inside of trailing arm
Accumulate water or dust.In the twist-beam suspension of patent document 2, because arch the latter half cuts in complete sinking state
Face shape is changed into the skewed of front decline, so water etc. can be prevented to be trapped in the open interior of torsion beam.But not
Be documented in by twist-beam suspension be arranged on car body on be 1G states when, using the opening of the end of trailing arm as osculum
Utilize.
In the twist-beam suspension of patent document 3, the side of the rear side of vehicle is provided with opening.But not
Be documented in by twist-beam suspension be arranged on car body on be 1G states when, using the opening of the end of trailing arm as osculum
Utilize.
When vehicle stops in the state of tire interface ground, suspension or shock absorber are because of 1G gravity and to a certain extent
Shrink, be changed into wheel close to the state of the driver's cabin of car body.It is referred to as 1G states.Although for the maintenance of vehicle, inciting somebody to action
Under the situation of car body jacking or in the case of vehicle deceleration, suspension can be changed into a certain degree of elongation state, but exist in advance
When being taken care of to vehicle, it will usually be changed into 1G states.
For the lightweight of vehicle part, consider the part of trailing arm etc. being configured to hollow form, but worry rainwater or dirt
Angstrom etc. accumulate in the inside of trailing arm, and produce corrosion.Vehicle, meeting are taken care of particularly in the state of rainwater etc. is accumulated in trailing arm
Because metal parts is exposed in rainwater etc. for a long time, and easily produces corrosion.
In view of the foregoing, present invention aims at provide a kind of twist-beam suspension and trailing arm for possessing trailing arm, institute
Stating trailing arm can discharge the rainwater for the inside that the trailing arm for being configured to hollow form is entered under 1G states or dust etc. naturally
To outside.
For solving the scheme of above-mentioned technical problem
Solve above-mentioned technical problem by twist-beam suspension, a kind of twist-beam suspension, possess：Trailing arm, left and right is paired,
Section is hollow form；Torsion beam, a side are fixed in trailing arm with another side, possess in a side of trailing arm and connect with hollow bulb
Logical opening, the shape of trailing arm bottom surface possess the rake declined under 1G states from another side towards opening, and rake is made
To guide the path to opening to work in the water inside entering, it is open and is acted as the osculum for discharging the water in trailing arm
With.
And then solving above-mentioned technical problem by the trailing arm of twist-beam suspension, the trailing arm section is hollow form,
One side possesses the opening connected with hollow bulb, and the shape of bottom surface possesses under 1G states from one side of another side direction
Be open the rake declined, and rake guides the path to opening to work as by the water inside entering, and opening conduct will drag
The osculum of water discharge in arm works.
Because above-mentioned twist-beam suspension and trailing arm possesses the rake declined under 1G states towards opening,
Such as in the keeping of vehicle, via rake and opening, the rainwater of the inside for the trailing arm for accumulating in hollow form is expelled to
Outside, so as to prevent from getting rusty.
Preferably, possess the supporting member of axletree in a side of trailing arm, possess in its another side to vehicle and pacified
The installing component of dress, in the opening that the end set for the trailing arm that the supporting member with axletree engages works as osculum.Cause
For trailing arm from the another side there is provided the installing component installed to vehicle towards there is provided the one of the supporting member of axletree
Side tilts, and thus enables that rainwater or dust is difficult to the installing component side that accumulates in car body.
Preferably, the opening to be worked as osculum, it is arranged on the end of the trailing arm engaged with the supporting member of axletree
Bottom surface side.Thereby, it is possible to rainwater for the inside for making to enter to trailing arm etc. to easily flow out to outside.
Preferably, trailing arm possesses reinforcement flange, from the edge for the trailing arm material for forming the opening to be worked as osculum
Protruded towards bottom surface side.It is arranged on by the way that flange will be strengthened around opening, it is ensured that the rigidity of trailing arm, can compensate for because being provided with
Being open to caused rigidity reduces.
Preferably, trailing arm is the part for engaging multiple trailing arm component parts and forming, and possesses and is engaging multiple trailing arms compositions
Closing line caused by part, in the trailing arm component parts split as closing line and both another trailing arm component parts
On all possess reinforcement flange.By the way that trailing arm to be dividedly configured to multiple trailing arm component parts, even if trailing arm and its flange are
Complicated shape, metallic plate also by the simple and easy method of compressing grade, can be easily processed as to the shape of complexity.
Invention effect
A kind of twist-beam suspension and trailing arm for possessing trailing arm can be provided, the trailing arm will can incite somebody to action under 1G states
Enter to rainwater or dust of the inside for the trailing arm for being configured to hollow form etc. and be expelled to outside naturally.
Brief description of the drawings
Fig. 1 is the left side for showing the twist-beam suspension of one embodiment of the present invention from the bottom surface side at the rear of vehicle
The stereogram of the state of side part.
Fig. 2 is the figure of the right flank for the twist-beam suspension for enlargedly showing Fig. 1 in 1G states.
Fig. 3 is the upward view of Fig. 1 twist-beam suspension.
Fig. 4 is the top view of Fig. 1 twist-beam suspension.
Fig. 5 is the rearview of Fig. 1 twist-beam suspension.
Embodiment
Hereinafter, one embodiment of the present invention is illustrated referring to the drawings.Twist-beam suspension shown in the drawings is only
It is one of embodiment, the present invention is not limited by embodiment illustrated.
Fig. 1 shows the twist-beam suspension of one embodiment of the present invention.The twist-beam suspension 1 possesses：Pair of right and left
Trailing arm 11, section is hollow form；Torsion beam 12, one side are fixed in the trailing arm 11 of pair of right and left with another side.Respectively
From trailing arm 11, the supporting member of axletree described later and the installing component relative to car body are eliminated, from its one end to another
Hold to be hollow, possess the opening 13 connected with hollow space in the bottom surface of one side.
If as shown in Fig. 2 under 1G states, the trailing arm 11 from left surface or right flank, then its bottom surface turn into towards opening
The rakes 14 that mouth 13 declines.In the present embodiment, make horizontal level be 0 ° when, under 1G states, make the bottom surface of trailing arm 11
The angle (θ) of formation is changed into -1 ° of shape.θ is preferably such as -0.5 °~-10 ° of scope.In addition, in fig. 2, shown with dotted line
Go out the shape of one end of trailing arm 11.And then although elliptically show in fig. 2 comprising damper, helical spring and wheel etc.
The diagram of the part of car body side, but show the trailing arm of the vehicle installed in stopping, i.e. trailing arm in 1G states.
As shown in Fig. 1 etc., in the present embodiment, possesses the supporting member 16 of axletree 15 in a side of trailing arm 11.
In present embodiment, supporting member 16 is made up of the sheet material for being referred to as end plate 17, and axletree 15 is from the middle body of end plate 17 to car
Left direction or right direction protrude.Inserted by the axis hole of wheel side to axletree 15, it is solid relative to end plate 17
Determine wheel.
As shown in Fig. 2 etc., possesses the installing component 18 relative to vehicle in the another side of trailing arm 11.In present embodiment
In, relative to the installing component 18 of vehicle, it is configured to be built-in with by the elastomer of rubber etc. among hollow tubular part 19
The bushing of composition.Moreover, trailing arm 11 passes through solder joints with hollow tubular part 19.Twist-beam suspension is supported on car body
When, the axle of vehicle side is inserted to the hole of bushing, trailing arm 11 is rotatably supported relative to car body.If load is defeated via wheel
Enter to trailing arm 11, then regard the axle by the vehicle side of bushing as center, trailing arm 11 and rotatably supported in another side
Wheel is together relative to the above-below direction displacement of vehicle.
In the present embodiment, as described above, side is provided with the supporting member 16 of axletree at one end, set in another side
Relative to the installing component 18 of vehicle, the bottom surface of side sets the opening 13 linked with the hollow space of trailing arm 11 at one end.Cause
This, in 1G states, i.e., in the case where carrying out the state of taking care of etc. to vehicle, penetrates into the rainwater or dust inside trailing arm 11, from relative to
The side of installing component 18 of car body be fed to towards the side of supporting member 16 of axletree because of downward gradient and inclined rake 14 simultaneously
Opening 13 is moved to, outside is discharged to from the opening 13 of the bottom surface side for the side of supporting member 16 for being arranged on axletree.Thus, especially
It is that rainwater or dust are difficult to accumulate in the installing component side relative to car body, dust etc. can be prevented to be mixed into bushing and car body side
Axle between.
In the present embodiment, trailing arm 11 becomes as the shape that bow is equally bent in the case where overlooking and looking up state, one
Possesses teat 20 between end and the other end.As described later, make left and right trailing arm 11 teat 20 inwardly, by the left and right of torsion beam 12
End be fixed on left and right trailing arm 11 teat 20.In the state of right side and left sides, trailing arm 11 is before vehicle
Face side possesses steeper rake (high-dipping portion).The gradient of steeper rake is configured to bigger than rake 14, tilts
Angle is preferably such as -5~-15 °.Thus, particularly rainwater or dust are difficult to accumulate in the installing component side relative to car body, energy
Dust etc. is enough prevented to be mixed between bushing and the axle of car body side.
In the present embodiment, dragging for pair of right and left is fixed in section for the torsion beam 12 of eaves shape for hat shape by welding
The teat 20 of arm 11, the torsion beam 12 possess the sheet material of planar side, the sheet material of face side, the sheet material of rear side, from face side
Sheet material and rear side sheet material respective edge protrude flange.The bottom surface of torsion beam 12 turns into unlimited face, is turning round
The bottom surface side of power beam axle type suspension 1, the reinforcer 21 of tabular is fixed on to the bottom surface and the end of torsion beam 12 of the teat 20 of trailing arm 11
The bottom surface in portion, so as to improve rigidity.Twist-beam suspension 1 planar side similarly, the reinforcer 22 of tabular is fixed on
The plane of the teat 20 of trailing arm 11 and the plane of the end of torsion beam 12.On the bearing of trend of torsion beam 12, bottom surface side adds
Strong part is compared to the shape that the reinforcer of planar side is in strip.
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 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 face of planar side is opened wide.Plate in left and right
The through hole 24 for possessing 2 ends for being used for fixed buffer is amounted on material.And then in the support 23 and teat 20 of shock absorber
Between be provided with the support 25 of helical spring.Sheet material of the support 25 of helical spring by bottom surface side and the sheet material from bottom surface side
Swell to the sheet material of planar side and form, the bearing of trend of lateral torsion beam protrudes out of trailing arm.
In the present embodiment, trailing arm 11 is made up of multiple trailing arm component parts 26.More specifically, it is as shown in figure 1, right
2 trailing arm component parts 26 are welded, so as to form 1 trailing arm 11.Respective trailing arm component parts 26 is by steel plate etc.
Metallic plate bending machining manufactures into the curved shape with teat 20.
As shown in figure 1, in the present embodiment, the inner side of end plate is connected in the end for the metallic plate for forming trailing arm 11
In the state of edge, both are welded and fixed.The metallic plate of the bottom surface side of trailing arm 11 is removed to be substantially semi-circular, formation
The opening 13 of draining.The metallic plate of opening 13 is formed, in bottom surface lateral bend, the reinforcement flange 27 of composition reinforcement.By setting
Put and strengthen flange 27, compensate the rigidity deficiency caused by opening 13 is set at the junction surface of end plate 17 and trailing arm 11.
As described above, in the present embodiment, formed along the bearing of trend of trailing arm 11 using welding to engage 2 trailing arms
Part.Therefore, there is closing line 28 along the bearing of trend of trailing arm 11.Moreover, in the trailing arm structure split by closing line 28
It is both provided with strengthening flange 27 on into part 26 and both another trailing arm component parts 26.Because trailing arm 11 is divided into
It is multiple, even if so strengthen the complex-shaped of flange 27 or trailing arm 11, such as by it is compressing, will shape before metallic plate
It is clipped between the mould for possessing the shape corresponding with the shape of desired trailing arm component parts and is pressurizeed, also can be rapid
And simply shaping possesses the trailing arm 11 for strengthening flange 27 or teat 20.For example, drift is being pressed into metal pipeline
In the case of carrying out bending machining, although if wanting to be processed as the shape of complexity, exist the wall thickness of pipeline local thinning or
Situation that is thickening and becoming fragility relative to mechanical load, but because in the trailing arm of present embodiment, trailing arm is divided
Cut, so can prevent the problem of such.
Description of reference numerals
1 twist-beam suspension
11 trailing arms
12 torsion beams
13 openings
The supporting member of 16 axletrees
27 strengthen flange
28 closing lines
26 trailing arm component parts
14 rakes
Claims (6)
1. a kind of twist-beam suspension, possesses：Trailing arm, pair of right and left, section are hollow form；Torsion beam, a side and the other end
Side is fixed in trailing arm,
Possess the opening connected with hollow bulb in a side of trailing arm, possess the installation portion installed to vehicle in another side
Part, the shape of the bottom surface of trailing arm possess the rake declined under 1G states from another side towards opening, and rake is used as will
Water into inside guides the path to opening to work, and is open and is worked as the osculum for discharging the water in trailing arm.
2. twist-beam suspension as claimed in claim 1, it is characterised in that possess the support of axletree in a side of trailing arm
Part, in the opening that the end set for the trailing arm that the supporting member with axletree engages works as osculum.
3. twist-beam suspension as claimed in claim 2, it is characterised in that as the opening that osculum works be arranged on
The bottom surface side of the end of the trailing arm of the supporting member engagement of axletree.
4. the twist-beam suspension as described in any one of claims 1 to 3, it is characterised in that trailing arm possesses to be made from formation
The reinforcement flange that the edge of the trailing arm material of the opening to be worked for osculum protrudes.
5. the twist-beam suspension as described in any one of Claims 1 to 4, it is characterised in that trailing arm, which is that engagement is multiple, to be dragged
Arm component parts and the part formed, possess and engaging closing line caused by multiple trailing arm component parts, by closing line point
All possesses reinforcement flange on both trailing arm component parts and another trailing arm component parts cut.
6. a kind of trailing arm of twist-beam suspension, it is characterised in that section is hollow form, is possessed in one side and hollow bulb
The opening of connection, the shape of the bottom surface of trailing arm possess the inclination that the opening from another side towards a side under 1G states declines
Portion, rake guide the path to opening to work as will enter internal water, are open as by the water discharge in trailing arm
Osculum works.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-129657 | 2016-06-30 | ||
| JP2016129657A JP6735458B2 (en) | 2016-06-30 | 2016-06-30 | Torsion beam type suspension and trailing arm used for it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107554230A true CN107554230A (en) | 2018-01-09 |
| CN107554230B CN107554230B (en) | 2022-02-25 |
Family
ID=60947512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710456700.5A Active CN107554230B (en) | 2016-06-30 | 2017-06-16 | Torsion beam suspension and trailing arm for torsion beam suspension |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6735458B2 (en) |
| CN (1) | CN107554230B (en) |
| PH (1) | PH12017000191A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6947088B2 (en) * | 2018-03-12 | 2021-10-13 | トヨタ自動車株式会社 | Torsion beam suspension |
| CN111137097B (en) * | 2020-02-14 | 2020-09-25 | 江苏汤臣汽车零部件有限公司 | Balance suspension combined structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006001334A (en) * | 2004-06-16 | 2006-01-05 | Toyota Motor Corp | Torsion beam type suspension device |
| JP2011105199A (en) * | 2009-11-19 | 2011-06-02 | Toyota Auto Body Co Ltd | Torsion beam type suspension of vehicle |
| CN103442912A (en) * | 2011-01-28 | 2013-12-11 | 双叶产业株式会社 | Torsion beam suspension |
| CN104276212A (en) * | 2013-07-11 | 2015-01-14 | 奥迪股份公司 | Subframe for a motor vehicle |
| CN204249777U (en) * | 2014-10-14 | 2015-04-08 | 安徽江淮汽车股份有限公司 | A kind of manned vehicle chassis suspension system and torsion beam assembly thereof |
| CN204674323U (en) * | 2015-04-01 | 2015-09-30 | 广州汽车集团股份有限公司 | Lower suspension arm structure and suspension after suspension |
-
2016
- 2016-06-30 JP JP2016129657A patent/JP6735458B2/en active Active
-
2017
- 2017-06-16 CN CN201710456700.5A patent/CN107554230B/en active Active
- 2017-06-29 PH PH12017000191A patent/PH12017000191A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006001334A (en) * | 2004-06-16 | 2006-01-05 | Toyota Motor Corp | Torsion beam type suspension device |
| JP2011105199A (en) * | 2009-11-19 | 2011-06-02 | Toyota Auto Body Co Ltd | Torsion beam type suspension of vehicle |
| CN103442912A (en) * | 2011-01-28 | 2013-12-11 | 双叶产业株式会社 | Torsion beam suspension |
| CN104276212A (en) * | 2013-07-11 | 2015-01-14 | 奥迪股份公司 | Subframe for a motor vehicle |
| CN204249777U (en) * | 2014-10-14 | 2015-04-08 | 安徽江淮汽车股份有限公司 | A kind of manned vehicle chassis suspension system and torsion beam assembly thereof |
| CN204674323U (en) * | 2015-04-01 | 2015-09-30 | 广州汽车集团股份有限公司 | Lower suspension arm structure and suspension after suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6735458B2 (en) | 2020-08-05 |
| CN107554230B (en) | 2022-02-25 |
| JP2018001898A (en) | 2018-01-11 |
| PH12017000191A1 (en) | 2018-08-29 |
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