JPH0237008A - Suspension device - Google Patents
Suspension deviceInfo
- Publication number
- JPH0237008A JPH0237008A JP18909888A JP18909888A JPH0237008A JP H0237008 A JPH0237008 A JP H0237008A JP 18909888 A JP18909888 A JP 18909888A JP 18909888 A JP18909888 A JP 18909888A JP H0237008 A JPH0237008 A JP H0237008A
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- lateral links
- distance
- connecting portions
- holding member
- 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.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract 3
- 230000002787 reinforcement Effects 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001247986 Calotropis procera Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011084 recovery 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
- B60G7/001—Suspension arms, e.g. constructional features
-
- 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
- B60G3/202—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid having one longitudinal arm and two parallel transversal arms, e.g. dual-link type strut suspension
- B60G3/205—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid having one longitudinal arm and two parallel transversal arms, e.g. dual-link type strut suspension with the pivotal point of the longitudinal arm being on the vertical plane defined by the wheel rotation axis and the wheel ground contact point
-
- 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
- B60G2200/462—Toe-in/out
-
- 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
- B60G2206/10—Constructional features of arms
- B60G2206/121—Constructional features of arms the arm having an H or X-shape
-
- 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
- B60G2206/10—Constructional features of arms
- B60G2206/15—Constructional features of arms the arm being resilient
-
- 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
- B60G2206/70—Materials used in suspensions
- B60G2206/71—Light weight materials
- B60G2206/7101—Fiber-reinforced plastics [FRP]
-
- 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
- B60G2206/70—Materials used in suspensions
- B60G2206/72—Steel
- B60G2206/722—Plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、車両の操縦安定性と、乗心地を両立させる
サスペンション装置に関するものである（従来技術）
車輪と車体との間に設けられるサスペンション装置は、
操縦性と乗心地を良くするために、走行中にブレーキが
働いた場合の如く車輪に前後方向の力が作用したときに
生じる車輪のトー変化を、車輪の先端が内向に傾＜「ト
ーイン」となるのが望ましく、従来は、例えば特開昭６
０−１４８７０７号公報の如く、車輪支持部材と車体と
を横方向に連結する前後２本のラテラルリンクの、車１
陥支持部材及び車体との連結部に介在させるゴムブツシ
ュを前後ラテラルリンク側を柔軟に、後部ラテラルリン
ク側を硬質にして、前部ラテラルリンク側が後部ラテラ
ルリンク側よりも変形量を大きくして、「トーイン」を
得やすいようにしたものが多かった。[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a suspension device that achieves both steering stability and riding comfort of a vehicle (prior art) A suspension provided between wheels and a vehicle body. The device is
In order to improve maneuverability and ride comfort, the toe change of the wheel that occurs when a force is applied to the wheel in the longitudinal direction, such as when the brakes are applied while driving, is compensated for by a system in which the tip of the wheel tilts inward ("toe-in"). It is desirable that
As disclosed in Japanese Patent No. 0-148707, a vehicle 1 has two lateral links, front and rear, that connect the wheel support member and the vehicle body in the lateral direction.
The rubber bushes interposed between the support member and the vehicle body are made flexible on the front and rear lateral link sides and hard on the rear lateral link side, so that the amount of deformation on the front lateral link side is larger than that on the rear lateral link side. Many of them were designed to make it easier to obtain "toe-in."
上記した従来のサスペンション装置では、ゴムブツシュ
に過大な負荷がかかってゴムがよじれたりするためブツ
シュの構成が困難であり、耐久性に乏しいといった問題
点があった。The conventional suspension device described above has problems in that it is difficult to construct the bushing because an excessive load is applied to the rubber bushing, causing the rubber to twist, and the bushing has poor durability.
（発明の目的）
この発明は上記した従来の問題点を解消して、ラテラル
リンクの連結部への負荷を軽減し、かつ「トーイン」を
形成しやすくして、操縦安定性と乗心地を両立させると
ともに、ブツシュの耐久性を向上させることができるサ
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。(Objective of the Invention) This invention solves the above-mentioned conventional problems, reduces the load on the connecting portion of the lateral link, and makes it easier to form "toe-in", thereby achieving both steering stability and riding comfort. It is an object of the present invention to provide a suspension device that can improve the durability of the bushing.
（発明の構成）
上記の目的を達するためのこの発明は、車輪支持部材を
、車体に対して上下揺動自在に連結するラテラルリンク
を前後に２本有し、該２本のラテラルリンクの車体側連
結部間の距離を、車輪支持部材側連結部間の距離より長
く設定されているサスペンション装置において、上記ラ
テラルリンクを繊維強化樹脂により形成した、サスペン
ション装置である。(Structure of the Invention) To achieve the above object, the present invention has two lateral links in the front and rear that connect the wheel support member to the vehicle body so as to be able to swing vertically, and the vehicle body of the two lateral links is provided. The suspension device is such that the distance between the side connecting portions is set to be longer than the distance between the wheel support member side connecting portions, and the lateral link is formed of fiber-reinforced resin.
このサスペンション装置は車輪に前後方向の力を受けた
とき、弾性の大きい繊維強化樹脂製のラテラルリンクが
弾性変形することにより「トーイン」の形成を容易にし
、ラテラルリンク両端の連結部にかかる負荷を軽減させ
ることができる。This suspension device facilitates the formation of "toe-in" by elastically deforming the lateral links made of highly elastic fiber-reinforced resin when the wheels receive force in the longitudinal direction, reducing the load applied to the joints at both ends of the lateral links. It can be reduced.
（実施例）
以下この発明を、図面に示す実施例にもとづいて説明す
る。(Embodiments) The present invention will be described below based on embodiments shown in the drawings.
第１図はこの発明の実施例を示す平面図、第２図は同じ
く内側から見た側面図、第３図はラテラルリンクの斜視
図、第４図はラテラルリンクの連結部の詳細断面図であ
り、図において（１）は車輪で、車輪支持部材（２）に
支持されてＡ矢印の方向を前進方向としている。Fig. 1 is a plan view showing an embodiment of the present invention, Fig. 2 is a side view similarly seen from the inside, Fig. 3 is a perspective view of the lateral link, and Fig. 4 is a detailed sectional view of the connecting part of the lateral link. In the figure, (1) is a wheel, supported by a wheel support member (2), and the direction of arrow A is the forward direction.
（３）は前部ラテラルリンク、（４）は後部ラテラルリ
ンクで、車輪（１）の振動によって上下動する車輪支持
部材（２）を車体部材（５）に対して上下揺動自在に連
結するもので、繊維強化樹脂により形成され、前部及び
後部ラテラルリンク（３） （４）の一端の連結部（３
ａ） （４ａ）を車体部材（５）に、他端の連結部（３
ｂ） （４ｂ）を車輪支持部材（２）にそれぞれ支持軸
（６）及びブツシュ（７）を介して、車輪支持部材（２
）側が上下動できろ方向に回動自在に連結されている。(3) is a front lateral link, and (4) is a rear lateral link, which connects the wheel support member (2), which moves up and down due to the vibration of the wheel (1), to the vehicle body member (5) so that it can swing up and down. The front and rear lateral links (3) are made of fiber-reinforced resin and have connecting parts (3) at one end of the front and rear lateral links (3) (4).
a) Attach (4a) to the vehicle body member (5), and attach the connecting part (3) at the other end.
b) Attach (4b) to the wheel support member (2) via the support shaft (6) and bushing (7), respectively.
) side is connected so that it can move up and down and is rotatable in both directions.
そして車体部材（５）側の連結部（３ａ） （４ａ）間
の距離（Ｌｌ）を、車輪支持部材（２）側の連結部（３
ｂ） （４ｂ）間の距離（Ｌ２）より長くして、各連結
部（３ａ） （３ｂ） （４ａ） （４ｂ）を結ぶ四辺
形を台形としである。Then, the distance (Ll) between the connecting portions (3a) and (4a) on the vehicle body member (5) side is calculated from the connecting portion (3a) on the wheel support member (2) side.
b) The quadrilateral connecting each connecting part (3a), (3b), (4a), and (4b) is made into a trapezoid by making it longer than the distance (L2) between (4b).
上記した前部及び後部ラテラルリンク（３） （４）は
、第３図に示す如く板状にして、車体部材（５）への連
結部（３ａ） （４ａ）側の幅が広く、車輪支持部材（
２）への連結部（３ｂ） （４ｂ）側に向かって幅を狭
めて前後方向にたわみやすくしである。The above-mentioned front and rear lateral links (3) and (4) are plate-shaped as shown in Fig. 3, and have a wider width at the connecting portions (3a) and (4a) to the vehicle body member (5) to support the wheels. Element(
2) Connecting part (3b) (4b) The width is narrowed toward the side to make it easier to bend in the front-rear direction.
この前部及び後部ラテラルリンク（３） （４）の形状
は上記した板状に限らず、パイプ状に形成する等自由で
ある。The shapes of the front and rear lateral links (3) and (4) are not limited to the above-mentioned plate shape, but may be formed into any shape such as a pipe shape.
また第５図に示す如く前後のラテラルリンクを車体側連
結部でつないで一体としたものであってもよい。Further, as shown in FIG. 5, the front and rear lateral links may be connected at a vehicle body side connecting portion to form an integral structure.
上記したブツシュ（７）は金属に四フッ化窒素等をコー
ティングしたものの如きすべり軸受を使用した例を第４
図に示したが、弾力性を持たせるためにゴムブツシュを
使用する場合もある。The bushing (7) mentioned above is the fourth example using a sliding bearing such as a metal coated with nitrogen tetrafluoride, etc.
As shown in the figure, a rubber bushing may be used to provide elasticity.
図中、（８）はストラットで、ダンパーとスプリングや
エアばね装置とを組み合わせて車両重量を緩衝支持する
もの、（９）はテンションロフトで、車輪の前後方向を
規制するものである。In the figure, (8) is a strut, which cushions and supports the weight of the vehicle by combining a damper with a spring or an air spring device, and (9) is a tension loft, which regulates the longitudinal direction of the wheels.
次に作用を第６図にもとづいて説明する。Next, the operation will be explained based on FIG.
前部及び後部ラテラルリンク（３） （４）の両端の連
結部（３ａ） （３ｂ） （４ｂ） （４ａ）を結ぶ四
辺形を、車体部材（５）への連結部（３ａ） （４ａ）
を結ぶ線を底辺とする台形に形成されている（この台形
リンクは従来から公知）ことから、車輪（１）の幅の中
心線（匈）上で、車輪（１）が前後方向の力（Ｆ）を受
けて後方に変位（Ｓ）だけ移動した場合に、前部ラテラ
ルリンク（３）は連結部（３ａ）を基点として、２点鎖
線で示す如（繊維強化樹脂の弾性により湾曲して連結部
（３ｂ）が後方の僅かに内側の位Ｗ（３ｂ’）に移動し
、同様に後部ラテラルリンク（４）は連結部（４ａ）を
基点として２点鎖線で示す如く湾曲して連結部（４ｂ）
が後方の僅かに外側の位置（４ｂ’）に移動するため、
移動した連結部（３ｂ’） と（４ｂ”）とを結ぶ線（
Ｙ）は、車輪（１）の幅の中心線（−）に対して前方が
内向きに傾斜した線となり、車輪支持部材（２）も傾斜
するため車輪（１）の幅の中心線（Ｗ） も線（Ｙ）
と平行して前方内向に傾斜した（Ｗ＋）となって車輪（
１）が「トーイン」となるものである。Connect the quadrilaterals connecting the connecting parts (3a) (3b) (4b) (4a) at both ends of the front and rear lateral links (3) (4) to the connecting parts (3a) (4a) to the vehicle body member (5).
(This trapezoidal link is conventionally known), so that the wheel (1) is not affected by the force () in the longitudinal direction on the center line of the width of the wheel (1). F) and moves backward by displacement (S), the front lateral link (3) bends from the connection part (3a) as shown by the two-dot chain line (due to the elasticity of the fiber-reinforced resin). The connecting part (3b) moves rearward to a slightly inner position W (3b'), and similarly, the rear lateral link (4) curves as shown by the two-dot chain line from the connecting part (4a) as a base point, and the connecting part (4b)
moves to a slightly outer position (4b') at the rear, so
A line connecting the moved connecting parts (3b') and (4b'') (
Y) is a line whose front side is inclined inward with respect to the center line (-) of the width of the wheel (1), and since the wheel support member (2) is also inclined, the center line of the width of the wheel (1) (W ) also line (Y)
The wheel (W+) slopes forward and inward in parallel with the
1) is "toe-in".
車輪（１）に作用した力（Ｆ）が無くなると、前部及び
後部ラテラルリンク（３）（４）は弾性復元性があるた
め旧位置に復帰するものである。When the force (F) acting on the wheel (1) is removed, the front and rear lateral links (3) and (4) return to their old positions because of their elastic restorability.
従来は、前部及び後部ラテラルリンク（３） （４）の
連結部にゴムブツシュを使用せざるを得なかったが、本
発明では湾曲が容易で復元性があるためゴムブツシュを
使用しなくても「トーイン」が得られる。Conventionally, rubber bushings had to be used to connect the front and rear lateral links (3) and (4), but with the present invention, it is easy to bend and has good recovery properties, so it can be easily bent without using rubber bushings. "Toe-in" can be obtained.
勿論ゴムブツシュを使用することも可能であり、この場
合繊維強化樹脂の弾性と、ゴムブツシュの弾性とで負荷
を分担することとなるためゴムブツシュへの負荷が軽減
される。Of course, it is also possible to use a rubber bushing; in this case, the load is shared between the elasticity of the fiber-reinforced resin and the elasticity of the rubber bushing, so the load on the rubber bushing is reduced.
（発明の効果）
以上説明した、この発明に係るサスペンシゴン装置によ
れば、ラテラルリンクを繊維強化樹脂で形成したことに
より、その弾性を利用して車輪に前後力が加わったとき
、「トーイン」が容易に形成可能であり、操縦安定性と
乗心地を両立させることがきるとともに、ラテラルリン
クの連結部に使用するゴムブツシュを耐久性のあるすべ
り軸受に代えることができ、ゴムブツシュを使用した場
合はゴムブツシュへの負荷が軽減されることから、ゴム
ブツシュの構成が容易となり、耐久性を延ばすごとがで
きるものである。(Effects of the Invention) According to the suspension device according to the present invention described above, since the lateral link is formed of fiber-reinforced resin, "toe-in" is prevented by utilizing the elasticity of the lateral link when longitudinal force is applied to the wheel. It can be easily formed, and it is possible to achieve both handling stability and riding comfort, and the rubber bushings used for the lateral link connections can be replaced with durable sliding bearings. Since the load on the rubber bushing is reduced, the construction of the rubber bushing becomes easier and its durability can be extended.
第１図はこの発明の一実施例を示す平面図、第２図は第
１図を■−■線の方向に見た内側面図、第３図はラテラ
ルリンクの斜視図、第４図はラテラルリンクの連結部を
示す拡大断面図、第５図はラテラルリンクの他の実施例
を示す斜視図、第６図は車輪に前後力が加わったときに
「トーイン」を形成する作用を示す線図である。
１・・車輪 ２・・車輪支持部材３・・前部ラ
テラルリンク
３ａ、３ｂ ・・連結部
４・・後部ラテラルリンク
４ａ、４ｂ ・・連結部 ５・・車体部材第１図
第４図
第６図FIG. 1 is a plan view showing an embodiment of the present invention, FIG. 2 is an internal side view of FIG. FIG. 5 is a perspective view showing another embodiment of the lateral link; FIG. 6 is a line showing the effect of forming "toe-in" when longitudinal force is applied to the wheel. It is a diagram. 1...Wheel 2...Wheel support member 3...Front lateral links 3a, 3b...Connecting portion 4...Rear lateral links 4a, 4b...Connecting portion 5...Vehicle body member Fig. 1 Fig. 4 Fig. 6 figure
Claims (1)
ラテラルリンクを前後に２本有し、該２本のラテラルリ
ンクの車体側連結部間の距離を、車輪支持部材側連結部
間の距離より長く設定されているサスペンション装置に
おいて、 上記ラテラルリンクを繊維強化樹脂により形成したこと
を特徴とするサスペンション装置。[Scope of Claims] The wheel support member has two front and rear lateral links that connect the wheel support member to the vehicle body in a vertically swingable manner, and the distance between the vehicle body side connecting portions of the two lateral links is determined by the wheel support member. A suspension device in which the distance between the connecting portions on the member side is set longer than the distance between the connecting portions on the member side, wherein the lateral link is formed of fiber-reinforced resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18909888A JPH0237008A (en) | 1988-07-27 | 1988-07-27 | Suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18909888A JPH0237008A (en) | 1988-07-27 | 1988-07-27 | Suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0237008A true JPH0237008A (en) | 1990-02-07 |
Family
ID=16235317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18909888A Pending JPH0237008A (en) | 1988-07-27 | 1988-07-27 | Suspension device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237008A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5324986A (en) * | 1991-06-27 | 1994-06-28 | Murata Manufacturing Co., Ltd. | Chip type varistor |
| EP1288028A2 (en) * | 2001-09-03 | 2003-03-05 | Sistemi Sospensioni S.p.A. | A wheel suspension arm and a motor-vehicle independent suspension system comprising the arm |
| EP1361083A3 (en) * | 2002-05-10 | 2005-05-18 | Sistemi Sospensioni S.p.A. | Link rod for a motor-vehicle suspension |
| WO2006061383A1 (en) * | 2004-12-09 | 2006-06-15 | Sistemi Sospensioni S.P.A. | Independent suspension for a motor vehicle |
-
1988
- 1988-07-27 JP JP18909888A patent/JPH0237008A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5324986A (en) * | 1991-06-27 | 1994-06-28 | Murata Manufacturing Co., Ltd. | Chip type varistor |
| EP1288028A2 (en) * | 2001-09-03 | 2003-03-05 | Sistemi Sospensioni S.p.A. | A wheel suspension arm and a motor-vehicle independent suspension system comprising the arm |
| EP1288028A3 (en) * | 2001-09-03 | 2006-07-19 | Sistemi Sospensioni S.p.A. | A wheel suspension arm and a motor-vehicle independent suspension system comprising the arm |
| US7140624B2 (en) | 2001-09-03 | 2006-11-28 | Sistemi Sospensioni S.P.A. | Arm for a motor-vehicle independent suspension system and a motor-vehicle independent suspension system comprising the arm |
| EP1361083A3 (en) * | 2002-05-10 | 2005-05-18 | Sistemi Sospensioni S.p.A. | Link rod for a motor-vehicle suspension |
| WO2006061383A1 (en) * | 2004-12-09 | 2006-06-15 | Sistemi Sospensioni S.P.A. | Independent suspension for a motor vehicle |
| US7823894B2 (en) | 2004-12-09 | 2010-11-02 | Sistemi Sospensioni S.P.A. | Independent suspension for a motor vehicle |
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