JPH0775927B2 - Suspension device for automobile - Google Patents
Suspension device for automobileInfo
- Publication number
- JPH0775927B2 JPH0775927B2 JP26191485A JP26191485A JPH0775927B2 JP H0775927 B2 JPH0775927 B2 JP H0775927B2 JP 26191485 A JP26191485 A JP 26191485A JP 26191485 A JP26191485 A JP 26191485A JP H0775927 B2 JPH0775927 B2 JP H0775927B2
- Authority
- JP
- Japan
- Prior art keywords
- end portion
- upper arm
- vehicle body
- arm
- wheel support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000725 suspension Substances 0.000 title claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/02—Attaching arms to sprung part of vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
- B60G3/26—Means for maintaining substantially-constant wheel camber during suspension movement ; Means for controlling the variation of the wheel position during suspension movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/46—Indexing codes relating to the wheels in the suspensions camber angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/414—Cardan joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/422—Links for mounting suspension elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は自動車のサスペンション装置の改良に関する。Description: TECHNICAL FIELD The present invention relates to an improvement of an automobile suspension device.
（従来技術） 従来、第７図及び第８図に示すように、車体左右方向に
伸長するアッパーアーム１及びこのアッパーアーム１の
下方に位置し、車体左右方向に伸長するロアアーム２が
設けられ、アッパーアーム１及びロアアーム２の各基端
部1a,2aは車体５に上下揺動自在に軸着され、アッパー
アーム１の先端部1bは補助アーム３を介して車輪支持部
材４の上端部4aに、ロアアーム２の先端部2bは車輪支持
部材４の下端部4bにそれぞれ回動自在に支持されてなる
ダブルウイッシュボーンタイプのサスペンション装置が
提案されている（特開昭60−135314号公報参照）。(Prior Art) Conventionally, as shown in FIGS. 7 and 8, an upper arm 1 extending in the left-right direction of a vehicle body and a lower arm 2 located below the upper arm 1 and extending in the left-right direction of the vehicle body are provided. The respective base end portions 1a and 2a of the upper arm 1 and the lower arm 2 are pivotally attached to the vehicle body 5 so as to be vertically swingable, and the tip end portion 1b of the upper arm 1 is attached to the upper end portion 4a of the wheel support member 4 via the auxiliary arm 3. There has been proposed a double wishbone type suspension device in which the front end portion 2b of the lower arm 2 is rotatably supported by the lower end portion 4b of the wheel support member 4 (see JP-A-60-135314).
当該サスペンション装置は、操縦性や安定性の面で優れ
た特性を有している。The suspension device has excellent characteristics in terms of maneuverability and stability.
ところで、上記のようなサスペンション装置において、
旋回中にバンプストロークした場合などには、第６図に
実線ａで示すように、車輪がネガテイブキャンバ傾向と
なる方が旋回走行安定性が向上するので好ましいが、直
進走行中に突起等に乗り上げて所定以上にバンプストロ
ークした場合などには、キャンバスラストが発生するの
で、その時点からネガテイブキャンバ傾向を抑制する方
が直進走行安定性が向上するので好ましい。By the way, in the suspension device as described above,
When a bump stroke occurs during turning, as shown by the solid line a in FIG. 6, it is preferable that the wheels have a negative camber tendency because the turning stability is improved. When the bump stroke exceeds a predetermined value, a canvas last occurs. Therefore, it is preferable to suppress the negative camber tendency from that point because the straight running stability is improved.
（発明の目的） 本発明は、旋回走行安定性と直進走行安定性の双方を満
足し得るようにした自動車のサスペンション装置を提供
することを目的とするものである。(Object of the Invention) An object of the present invention is to provide a suspension device for an automobile which can satisfy both cornering traveling stability and straight traveling stability.
（発明の構成） このため本発明は、基端部が車体に上下揺動自在に軸着
されて、車体左右方向に伸長するアッパーアームと、該
アッパーアームの下方に位置し、基端部が車体に上下揺
動自在に軸着されて、車体左右方向に伸長するロアアー
ムと、上記アッパーアームの所定角以上の揺動を規制す
る揺動規制ラバーと、下端部が上記ロアアームの先端部
に回動自在に支持された車輪支持部材と、一端部がアッ
パーアームの先端部に取付けられ、他端部が車輪支持部
材の上端部に回動自在に支持されて、車輪支持部材にア
ッパーアームの所定角以上のバンプストロークがあった
ときにたわみ可能なたわみ部材とを備えたことを特徴と
するものである。(Structure of the Invention) Therefore, according to the present invention, the base end portion is pivotally attached to the vehicle body in a vertically swingable manner, and the upper arm extending in the vehicle body left-right direction, and the base end portion located below the upper arm are provided. A lower arm that is pivotally attached to the vehicle body and that extends in the lateral direction of the vehicle body, a swing control rubber that controls the swinging of the upper arm above a predetermined angle, and a lower end portion of the lower arm that rotates around the tip of the lower arm. A wheel support member that is movably supported, one end of which is attached to the tip of the upper arm, and the other end of which is rotatably supported by the upper end of the wheel support member. The present invention is characterized by including a bending member capable of bending when there is a bump stroke of a corner or more.
（発明の効果） 本発明によれば、旋回走行中などのバンプストローク時
には、アッパーアームの基端部が揺動中心となって、車
輪支持部材（車輪）がネガテイブキャンバ傾向となるよ
うにバンプストロークするので、旋回走行安定性が向上
する一方、直進走行中などにアッパーアームの所定揺動
角以上のバンプストロークがあった時には、その時点か
らたわみ部材の一端部が揺動中心となって車輪支持部材
（車輪）がネガテイブキャンバ傾向を抑制されながらバ
ンプストロークするので、直進走行安定性が向上するよ
うになる。(Effects of the Invention) According to the present invention, during a bump stroke such as during turning travel, the bump stroke is performed such that the base end portion of the upper arm becomes a swing center and the wheel support member (wheel) tends to have a negative camber. Therefore, while cornering stability is improved, if there is a bump stroke that exceeds the predetermined swing angle of the upper arm while traveling straight ahead, one end of the flexure member will become the swing center from that point and the wheel support Since the member (wheel) makes the bump stroke while suppressing the negative camber tendency, the straight running stability is improved.
（実施例） 以下、本発明の実施例を添付図面について詳細に説明す
る。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the accompanying drawings.
第１図〜第３図に示すように、ダブルウイッシュボーン
タイプのサスペンション装置には、基端部10aが車体11
に上下揺動自在に軸着されて、車体左右方向に伸長する
アッパーアーム10と、該アッパーアーム10の下方に位置
し、基端部12aが車体11に上下揺動自在に軸着されて、
車体左右方向に伸長するロアアーム12とが備えられてい
る。As shown in FIG. 1 to FIG. 3, in the double wishbone type suspension device, the base end portion 10a has a vehicle body 11
An upper arm 10 which is pivotally mounted on the vehicle body and which extends in the lateral direction of the vehicle body, and a base end portion 12a which is located below the upper arm 10 and is vertically pivotably mounted on the vehicle body 11,
A lower arm 12 extending in the left-right direction of the vehicle body is provided.
車輪を支承するナックル（車輪支持部材）14の下端部14
aは、ボールジョイント15aによりロアアーム12の先端部
12bに回動自在に支持されている。Lower end 14 of knuckle (wheel support member) 14 that supports the wheel
a is the tip of the lower arm 12 due to the ball joint 15a
It is rotatably supported by 12b.
上記アッパーアーム10の先端側は二股状に形成されてい
て、両先端部10b,10bの間にはトーションバー（たわみ
部材）16が橋架固定されている。A tip end side of the upper arm 10 is formed in a bifurcated shape, and a torsion bar (flexible member) 16 is bridge-fixed between the tip ends 10b, 10b.
該トーションバー16の軸方向の略中央部には補助アーム
17の一端部17aが固定され、該補助アーム17の他端部17b
には、上記ナックル14の上端部14bが、ボールジョイン
ト15bにより回動自在に支持されている。An auxiliary arm is provided at a substantially central portion of the torsion bar 16 in the axial direction.
One end 17a of 17 is fixed, and the other end 17b of the auxiliary arm 17 is fixed.
An upper end portion 14b of the knuckle 14 is rotatably supported by a ball joint 15b.
上記アッパーアーム10に対しては、バンプ方向及びリバ
ウンド方向に所定角θ1,θ２以上の揺動を規制する揺動
規制ラバー18a,18bが設けられている。The upper arm 10 is provided with rocking restriction rubbers 18a, 18b for restricting rocking of a predetermined angle θ 1 , θ 2 or more in the bump direction and the rebound direction.
上記トーションバー16のねじれ力は、アッパーアーム10
が揺動規制ラバー18a,18bで揺動を規制された後、ナッ
クル14にさらにバンプ（リバウンド）ストロークがあっ
たときにねじれが開始されるように設定されている。The torsional force of the torsion bar 16 is the upper arm 10
After the rocking is restricted by the rocking restriction rubbers 18a and 18b, the twist is started when the knuckle 14 has a further bump (rebound) stroke.
なお、サスペンションダンパー19のシリンダ20は、ロア
アーム12の先端側に軸着され、該ダンパー19のピストン
ロッド21は弾性部材を介して車体側に弾性固定されてい
る。The cylinder 20 of the suspension damper 19 is axially attached to the tip end side of the lower arm 12, and the piston rod 21 of the damper 19 is elastically fixed to the vehicle body side via an elastic member.
上記のような構成であれば、第４図に略画的に示すよう
に、アッパーアーム10が揺動規制ラバー18aで規制され
る所定角θ１の範囲内で旋回走行中などにバンプストロ
ークしたときは、アッパーアーム10の基端部10aが揺動
中心となってナックル（車輪）14がネガテイブキャンバ
傾向となるようにバンプストロークするので（第６図の
鎖線ｂのθ１側参照）、旋回走行安定性などが向上する
のである。With the above-described structure, as schematically shown in FIG. 4, the upper arm 10 makes a bump stroke during turning while traveling within a predetermined angle θ 1 restricted by the rocking restriction rubber 18a. At this time, the base end portion 10a of the upper arm 10 makes a swing stroke so that the knuckle (wheel) 14 has a negative camber tendency (see the θ 1 side of the chain line b in FIG. 6). Driving stability is improved.
一方、直進走行中に突起などに乗り上げてナックル（車
輪）14がアッパーアーム10の揺動角θ１以上にバンプス
トロークしたときは、その時点からトーションバー16に
固定された補助アーム17の一端部17aが揺動中心となっ
て、ナックル（車輪）14がネガテイブキャンバ傾向を抑
制されながらバンプストロークするので（第６図の鎖線
ｂのθ１′側参照）、直進走行安定性などが向上するの
である。On the other hand, when the knuckle (wheel) 14 bumps the swing angle θ 1 or more of the upper arm 10 while riding on a protrusion or the like while traveling straight ahead, one end of the auxiliary arm 17 fixed to the torsion bar 16 from that point onward. Since the knuckle (wheel) 14 makes a bump stroke while suppressing the negative camber tendency (see the θ 1 ′ side of the chain line b in FIG. 6) with 17a as the center of swing, straight running stability is improved. is there.
なお、上記説明は、バンプ時のみに限ったが、リバウン
ド時にも同様の効果を得ることができる。Although the above description is limited to bumping, the same effect can be obtained during rebounding.
上記実施例では、補助アーム17とトーションバー16とを
組み合わせたたわみ部材を用いたが、第５図に示すよう
に、板ばね22の一端部22aをアッパーアーム10の先端部1
0bに固定するとともに、該板ばね22の他端部22bにナッ
クル14の上端部14を、ボールジョイント15bにより回動
自在に支持する構成としてもよい。In the above-described embodiment, the flexible member in which the auxiliary arm 17 and the torsion bar 16 are combined is used. However, as shown in FIG. 5, one end 22a of the leaf spring 22 is connected to the tip 1 of the upper arm 10.
The upper end portion 14 of the knuckle 14 may be rotatably supported by the ball joint 15b on the other end portion 22b of the leaf spring 22 while being fixed to 0b.
第１図は本発明に係るサスペンション装置の斜視図、第
２図はアッパーアームの平面図、第３図は第１図のサス
ペンション装置のバンプ時及びリバウンド時の作動状態
を示す正面図、第４図は第３図の作動状態の線図、第５
図はアッパーアームの変形例を示す平面図、第６図はバ
ンプ時及びリバウンド時のキャンバ変化を示すグラフ、
第７図は従来のサスペンション装置の斜視図、第８図は
第７図の要部拡大斜視図である。 10……アッパーアーム、10a……基端部、 10b……先端部、11……車体、 12……ロアアーム、12a……基端部、 12b……先端部、 14……ナックル（車輪支持部材）、 14a……下端部、14b……上端部、 16……トーションバー、17……補助アーム、 18a,18b……揺動規制ラバー、 22……板ばね、θ１……所定角。FIG. 1 is a perspective view of a suspension device according to the present invention, FIG. 2 is a plan view of an upper arm, and FIG. 3 is a front view showing operating states of the suspension device of FIG. 1 during bumping and rebounding. Fig. 5 is a diagram of the operating state of Fig. 3, 5
FIG. 6 is a plan view showing a modified example of the upper arm, FIG. 6 is a graph showing changes in camber during bumping and rebound,
FIG. 7 is a perspective view of a conventional suspension device, and FIG. 8 is an enlarged perspective view of a main part of FIG. 10 …… upper arm, 10a …… base end, 10b …… tip part, 11 …… vehicle body, 12 …… lower arm, 12a …… base end, 12b …… tip part, 14 …… knuckle (wheel support member ), 14a ...... lower end, 14b ...... upper end, 16 ...... torsion bar, 17 ...... auxiliary arm, 18a, 18b ...... swing restriction rubber, 22 ...... plate spring, theta 1 ...... predetermined angle.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤野 卓 広島県安芸郡府中町新地３番１号 マツダ 株式会社内 (56)参考文献 特公 昭62−46363（ＪＰ，Ｂ２) 特公 昭45−31014（ＪＰ，Ｂ２) 実公 昭62−21445（ＪＰ，Ｙ２) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Taku Fujino 3-1, Shinchi Fuchu-cho, Aki-gun, Hiroshima Mazda Co., Ltd. (56) References Japanese Patent Publication No. 62-46363 (JP, B2) Japanese Patent Publication No. 45- 31014 (JP, B2) Actual public Sho 62-21445 (JP, Y2)
Claims (2)
て、車体左右方向に伸長するアッパーアームと、該アッ
パーアームの下方に位置し、基端部が車体に上下揺動自
在に軸着されて、車体左右方向に伸長するロアアーム
と、上記アッパーアームの所定角以上の揺動を規制する
揺動規制ラバーと、下端部が上記ロアアームの先端部に
回動自在に支持された車輪支持部材と、一端部がアッパ
ーアームの先端部に取付けられ、他端部が車輪支持部材
の上端部に回動自在に支持されて、車輪支持部材にアッ
パーアームの所定角以上のバンプストロークがあったと
きにたわみ可能なたわみ部材とを備えたことを特徴とす
る自動車のサンペンション装置。1. An upper arm having a base end portion pivotally mounted on a vehicle body so as to be vertically swingable and extending in the vehicle body left-right direction; and a base end portion located below the upper arm and vertically swingable on the vehicle body. A lower arm that is pivotally attached to the vehicle body and extends in the left-right direction of the vehicle body; a swing restriction rubber that restricts swing of the upper arm beyond a predetermined angle; and a lower end portion of the lower arm is rotatably supported by the tip end portion of the lower arm. The wheel support member and one end thereof is attached to the tip end portion of the upper arm, and the other end is rotatably supported by the upper end portion of the wheel support member so that the wheel support member has a bump stroke equal to or larger than a predetermined angle of the upper arm. An automobile sun-pension device comprising a flexible member capable of being flexed when there is a vehicle.
ばねで構成されていることを特徴とする特許請求の範囲
第（１）項記載の自動車のサスペンション装置。2. The suspension device for an automobile according to claim 1, wherein the flexible member is composed of a torsion bar or a leaf spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26191485A JPH0775927B2 (en) | 1985-11-20 | 1985-11-20 | Suspension device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26191485A JPH0775927B2 (en) | 1985-11-20 | 1985-11-20 | Suspension device for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62120207A JPS62120207A (en) | 1987-06-01 |
| JPH0775927B2 true JPH0775927B2 (en) | 1995-08-16 |
Family
ID=17368488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26191485A Expired - Lifetime JPH0775927B2 (en) | 1985-11-20 | 1985-11-20 | Suspension device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0775927B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4753455A (en) * | 1986-07-15 | 1988-06-28 | Nissasn Motor Co., Ltd. | Double link type suspension system |
| JPH01240311A (en) * | 1988-03-23 | 1989-09-25 | Mazda Motor Corp | Suspension device for vehicle |
| DE4331366A1 (en) * | 1993-09-15 | 1995-03-16 | Bayerische Motoren Werke Ag | Vehicle wheel suspension |
| NL1002596C2 (en) * | 1996-03-13 | 1997-09-17 | Transport Industry Dev Centre | Vehicle as well as suspension for such a vehicle. |
| FR2748699B1 (en) * | 1996-05-20 | 1998-08-21 | Peugeot | SUSPENSION DEVICE ASSOCIATED WITH A STEERING WHEEL OF A MOTOR VEHICLE |
| CN108482013A (en) * | 2018-05-25 | 2018-09-04 | 安徽合力股份有限公司 | A kind of optimization method of tractor independent suspension axle and the suspension bridge parameter |
-
1985
- 1985-11-20 JP JP26191485A patent/JPH0775927B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62120207A (en) | 1987-06-01 |
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