JP3127764B2 - Car rear wheel suspension arm - Google Patents
Car rear wheel suspension armInfo
- Publication number
- JP3127764B2 JP3127764B2 JP07041181A JP4118195A JP3127764B2 JP 3127764 B2 JP3127764 B2 JP 3127764B2 JP 07041181 A JP07041181 A JP 07041181A JP 4118195 A JP4118195 A JP 4118195A JP 3127764 B2 JP3127764 B2 JP 3127764B2
- Authority
- JP
- Japan
- Prior art keywords
- arm
- vehicle body
- vehicle
- rear wheel
- connecting portion
- 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 - Fee Related
Links
Landscapes
- Vehicle Body Suspensions (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車の後輪サスペン
ションアームに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear wheel suspension arm of an automobile.
【０００２】[0002]
【従来の技術】乗用自動車において近来屡々採用されて
いる後輪サスペンション装置の概略構造を、図７の側面
図及び図８の部分的平面図を参照して説明する。図中符
号１０は後輪１２を支持する後輪ナックル、１４はその
車体外方の一端をゴムブッシュ及び枢軸を介して上記後
輪ナックル１０に枢着されかつ車体内方の他端を車体後
部のクロスメンバ１６にゴムブッシュ及び枢軸を介して
枢着された前方ロワアーム、１８は車体外方の一端をボ
ールジョイントを介して上記後輪ナックル１０に枢着さ
れかつ車体内方の他端を上記クロスメンバ１６にゴムブ
ッシュ及び枢軸を介して枢着された後方ロワアーム、２
０はその下端を上記後輪輪ナックル１０に固着され又は
一体に形成されて上方に延在した支柱、２２は平面形状
が略弓形又はＵ字状をなすアッパアームである。The schematic structure of the Related Art rear wheel suspension system is employed often recently in passenger cars, it will be described with reference to partial plan view of a side view and FIG. 8 in FIG. In the drawing, reference numeral 10 denotes a rear wheel knuckle for supporting a rear wheel 12, and reference numeral 14 denotes a rear end of the vehicle body connected to the rear wheel knuckle 10 via a rubber bush and a pivot. A front lower arm 18 is pivotally connected to the cross member 16 of the rear wheel knuckle 10 via a rubber bush and a pivot. Rear lower arm pivotally connected to the cross member 16 via a rubber bush and a pivot,
Reference numeral 0 denotes a support column having a lower end fixed to or integrally formed with the rear wheel knuckle 10 and extending upward. Reference numeral 22 denotes an upper arm having a substantially arcuate or U-shaped planar shape.
【０００３】上記アッパアーム２２は、図９の平面図に
良く示されているように、略車巾方向に延在した相対的
に短い第１腕２２ｆと、同第１腕２２ｆの後方に配設さ
れわん曲して車体側に延在した相対的に長い第２腕２２
ｒとを具え、上記第１腕２２ｆと後方の第２腕２２ｒと
の車体外方の結合部又は車輪側結合部２２ｃを、上記支
柱２０の上端にゴムブッシュ及び枢軸を介して弾性的に
枢支されている。また、上記第１腕２２ｆの車体内方の
端部は、ゴムブッシュ及び枢軸を介して車体側の第１ブ
ラケット２４ｆに枢支される車体側の第１連結部２２ｄ
を形成し、同様に上記第２腕２２ｒの車体内方の端部
は、ゴムブッシュ及び枢軸を介して、上記ブラケット２
４ｆの後方の車体部分に設けられた第２ブラケット２４
ｒに枢支される車体側の第２連結部２２ｅを形成してい
る（上記図７及び図８参照）。また、技術上良く知られ
ているように、通常、上記アッパアーム２２の第１腕２
２ｆ及び第２腕２２ｒは、適宜厚さの薄鋼板をプレス又
はスタンピングにより一体成形される。As shown in the plan view of FIG. 9 , the upper arm 22 is provided with a relatively short first arm 22f extending substantially in the vehicle width direction and disposed behind the first arm 22f. A relatively long second arm 22 that is curved and extends toward the vehicle body
r, and a connecting portion or a wheel-side connecting portion 22c of the first arm 22f and the rear second arm 22r on the outer side of the vehicle body is elastically pivoted to the upper end of the support column 20 via a rubber bush and a pivot. Supported. The inner end of the first arm 22f on the vehicle body side is connected to the vehicle body-side first connection portion 22d pivotally supported by the vehicle body-side first bracket 24f via a rubber bush and a pivot.
Similarly, the end of the second arm 22r inside the vehicle body is connected to the bracket 2 via a rubber bush and a pivot.
Second bracket 24 provided on the vehicle body portion behind 4f
A second connecting portion 22e on the vehicle body side that is pivotally supported by r is formed (see FIGS. 7 and 8 ). Also, as is well known in the art, the first arm 2 of the upper arm 22 is usually used.
The 2f and the second arm 22r are integrally formed by pressing or stamping a thin steel plate having an appropriate thickness.
【０００４】上記第１腕２２ｆ及び第２腕２２ｒは、図
９の線Ｘ１−Ｘ１、線Ｘ２−Ｘ２に沿う断面図である図
１０に良く示されているように、平らな頂壁又はウエブ
２６と、同頂壁又はウエブ２６の両側縁から略直角方向
下向きに屈曲して形成された対向する縦フランジ２８と
を具えたハット型の断面形状又はコ字状の断面形状を有
する。（なお、図示の場合は、縦フランジ２８の下端
に、さらに頂壁又はウエブ２６と略平行にかつ外向きに
延びた横フランジ２８′を有するハット型断面形状のも
のが示されている。）The first arm 22f and the second arm 22r are
9 is a cross-sectional view taken along line X 1 -X 1 and line X 2 -X 2 of FIG.
10 , a hat having a flat top wall or web 26 and opposed longitudinal flanges 28 formed to bend downward at substantially right angles from both side edges of the top wall or web 26. It has a mold cross section or a U-shaped cross section. (Note that, in the case of the drawing, a hat-shaped cross-sectional shape having a horizontal flange 28 ′ extending outward in a direction substantially parallel to the top wall or web 26 at the lower end of the vertical flange 28 is shown.)
【０００５】なお、図７において、符号３０は車室内に
配設された後席のシートバック、３２は同後席のシート
クッション（図７には後方の一部分のみが示されてい
る）、３４は車体の後部に前後方向に延在して配設され
た左右のリヤフレームであって、同リヤフレーム３４に
上記クロスメンバ１６の左右両端部がボルト等により固
定されている。また符号３６はその下端を上記後輪ナッ
クル１０に枢支され上端を後部車体の上方部分に支持さ
れたショックアブソーバ、３８は同ショックアブソーバ
３６と協働するサスペンションコイルスプリングであ
り、上記アッパアーム２２の第１腕２２ｆ及び第２腕２
２ｒは、上記サスペンションコイルスプリング３８を挟
んでその前後に配置されている。In FIG. 7 , reference numeral 30 denotes a rear seat back provided in the passenger compartment, 32 denotes a rear seat cushion (only a rear portion is shown in FIG. 7 ), 34. Reference numerals denote left and right rear frames extending in the front-rear direction at the rear part of the vehicle body. The left and right ends of the cross member 16 are fixed to the rear frame by bolts or the like. Reference numeral 36 denotes a shock absorber whose lower end is pivotally supported by the rear wheel knuckle 10 and whose upper end is supported by an upper portion of the rear vehicle body. Reference numeral 38 denotes a suspension coil spring cooperating with the shock absorber 36. First arm 22f and second arm 2
2r is arranged before and after the suspension coil spring 38.
【０００６】上記後輪サスペンション装置を具えた乗用
自動車の車室内騒音について、種々研究を重ねた結果、
上記アッパアーム２２が、後輪１２から後輪ナックル１
０を介して伝達される外部入力によって振動し、この振
動が、車室後部に極めて近い後部車体部分に設けられた
上記ブラケット２４ｆ及び２４ｒを介して車体に伝達さ
れ、さらに近接する車室後部に伝達されて特に後席の乗
員に不快感を与える車内騒音を生起していることが判明
した。そこで、上記アッパアーム２２の振動に関しさら
に調査したところ、略車巾方向に延在して後輪１２の横
力の大部分を担持している長さが短い第１腕２２ｆが上
記車内騒音の主因ではなく、後方のわん曲した相対的に
長い第２腕２２ｒの振動の振巾が著しく大きく、これが
車内騒音の主因となっていることが確認された。As a result of various studies on the noise in the passenger compartment of a passenger car equipped with the rear wheel suspension device,
The upper arm 22 is provided between the rear wheel 12 and the rear wheel knuckle 1.
Vibration is transmitted to the vehicle body via the brackets 24f and 24r provided on the rear vehicle body portion very close to the rear of the vehicle compartment, and the vibration is transmitted to the vehicle rear portion further closer to the rear of the vehicle compartment. It has been found that the noise generated in the vehicle, which is transmitted and particularly discomforts the rear passengers. Therefore, when the vibration of the upper arm 22 was further investigated, the short first arm 22f extending substantially in the vehicle width direction and carrying most of the lateral force of the rear wheel 12 was a main cause of the vehicle interior noise. However, it was confirmed that the amplitude of the vibration of the second arm 22r, which was relatively long and curved rearward, was extremely large, and this was the main cause of the vehicle interior noise.
【０００７】[0007]
【発明が解決しようとする課題】本発明は、上記後輪サ
スペンションアームの振動に関する新たな知見に基づい
て、構造簡単かつ安価で、しかも軽量な構成によって、
サスペンションアームの振動を抑制し、ひいては車室内
騒音特に後席付近の騒音を効果的に低減して居住性を向
上することができる自動車用の後輪サスペンションアー
ムを提供することを目的とするものである。SUMMARY OF THE INVENTION The present invention is based on the new knowledge on the vibration of the rear wheel suspension arm, and has a simple, inexpensive and lightweight structure.
It is an object of the present invention to provide a rear wheel suspension arm for an automobile capable of suppressing vibration of a suspension arm and thereby effectively reducing vehicle interior noise, particularly noise near a rear seat, thereby improving comfort. is there.
【０００８】[0008]
【課題を解決するための手段】本発明は、上記目的を達
成するために創案されたもので、自動車の後輪ナックル
から上方に延在した支柱上の車輪側連結部から略車巾方
向に延在して車体側の第１連結部に連結される下方に開
口した略コ字状断面の第１腕と、上記車輪側連結部から
湾曲して延在し上記車体側第１連結部より後方の車体側
の第２連結部に連結される下方に開口した略コ字状断面
の第２腕とを具え、同第２腕の対向する縦フランジを相
互に連結し曲げ剛性を増大する複数個の隔壁部材を設け
たことを特徴とする自動車の後輪サスペンションアーム
（以下場合により第１発明という）、及び自動車の後輪
ナックルから上方に延在した支柱上の車輪側連結部から
略車巾方向に延在して車体側の第１連結部に連結される
下方に開口した略コ字状断面の第１腕と、上記車輪側連
結部から湾曲して延在し上記車体側第１連結部より後方
の車体側の第２連結部に連結される下方に開口した略コ
字状断面の第２腕とを具え、同第２腕の対向する縦フラ
ンジに対し夫々間隔を存して上記第２腕の長手方向に延
在しその頂壁に固着され曲げ剛性を増大する中間縦壁を
設けたことを特徴とする自動車の後輪サスペンションア
ーム（以下場合により第２発明という）を提案するもの
である。SUMMARY OF THE INVENTION The present invention has been made in order to achieve the above-mentioned object, and is provided substantially in the vehicle width direction from a wheel-side connection portion on a column extending upward from a rear wheel knuckle of an automobile. A first arm having a substantially U-shaped cross section which extends downward and is connected to the first connection portion on the vehicle body side and has a downwardly open U-shaped cross section;
Comprising a second arm of the substantially U-shaped cross section that opens downward is connected to the second connecting portion of the rear of the vehicle body from extending Mashimashi the vehicle body side first coupling part and curved, in the same second arm Match the opposed vertical flanges
A rear wheel suspension arm (hereinafter, sometimes referred to as a first invention) of a vehicle, comprising a plurality of partition members connected to each other to increase bending rigidity, and a rear wheel of the vehicle
From the wheel-side connection on the post extending upward from the knuckle
Extends substantially in the vehicle width direction and is connected to the first connection portion on the vehicle body side
A first arm having a substantially U-shaped cross section opened downward, and
Bends from the joint and extends rearward from the vehicle body-side first joint.
A downward opening substantially connected to the second connection portion on the vehicle body side of the vehicle
A second arm having a V-shaped cross section, and a vertical flap facing the second arm.
Extending in the longitudinal direction of the second arm with an interval
The middle vertical wall which is fixed to the top wall and increases the bending rigidity
The present invention proposes a rear wheel suspension arm (hereinafter, sometimes referred to as a second invention) of an automobile characterized by being provided .
【０００９】[0009]
【作用】本発明によれば、夫々断面形状がハット型、薄
型等略コ字状をなす第１腕と第２腕とを有する後輪サス
ペンションアームにおいて、後輪ナックルの支柱に対す
る車輪側連結部と車体側の第２連結部との長さが相対的
に長い第２腕の振動の振巾が大きい中間部分に、対向す
る縦フランジを連結する複数個の隔壁部材が設けられ、
または対向する縦フランジ間に長手方向に延在する中間
縦壁が設けられて、長い第２腕の曲げ剛性が増強され、
その振動が効果的に抑制されるので、車室特に後部座席
付近の車室に生起する騒音が有効に低減されることとな
る。According to the present invention, in a rear wheel suspension arm having a first arm and a second arm each having a substantially U-shaped cross section such as a hat shape and a thin shape, a wheel side connecting portion to a support of a rear wheel knuckle. and the vehicle body-side second intermediate portion Fuhaba large vibration length of the relatively long second arm and the connecting portion of the plurality pieces of the partition wall member for connecting the longitudinal flanges facing is provided,
Alternatively, an intermediate vertical wall extending in the longitudinal direction is provided between the opposed vertical flanges, whereby the bending rigidity of the long second arm is enhanced,
Since the vibration is effectively suppressed, noise generated in the passenger compartment, particularly in the passenger compartment near the rear seat, is effectively reduced.
【００１０】[0010]
【実施例】以下本発明の実施例を図１ないし図６につい
て具体的に説明する。（なお、図７ないし図１０を参照
して説明した従来の構成と実質的に同一又は対応する部
材及び部分には同一の符号を付し、重複説明は省略す
る。）先ず、図１の平面図及び図２の断面図に示した第
１発明の好ましい実施例では、アッパアーム２２の第１
腕２２ｆ及び第２腕２２ｒのうち、わん曲して相対的に
長い第２腕２２ｒの長さ方向中間部分の内側に、複数個
（図示の場合は３個）の隔壁部材４２が溶接４４ａ及び
４４ｂによって頂壁又はウエブ２６及び縦フランジ２８
に夫々固着されている。この実施例によれば、第２腕２
２ｒの長さ方向中間部分に複数の隔壁部材４２が固着さ
れているため、振動によって縦フランジ２８の開口端が
拡開し収縮する断面変形が拘束されて梁としての曲げ剛
性が増強され、振動の振巾を第１腕２２ｆのそれと同程
度又はそれに近い小さい振巾に抑制することができる。
この結果、車室、殊に第１腕２２ｆ及び第２腕２２ｒの
車体側の第１及び第２連結部２２ｄを支持する第１及び
第２ブラケット２４ｆ及び２４ｒに近い後席付近の車室
の不快な騒音を極めて効果的に低減し、居住性を大巾に
改善することができる利点がある。また、上記隔壁部材
４２は、小型かつ軽量であり、上記溶接４４ａ及び４４
ｂの溶接長も短かいので、アッパアーム２２の重量増加
を最小限に抑止することができ、アッパアーム２２全体
を厚板で作ることにより振動低減を図る場合と較べて著
しく軽量な利点があり、製造コストも安い利点がある。
なお、上記隔壁部材４２は、第２腕２２ｒの振動の振巾
が第１腕２２ｆと略同等に低減されるように適数個配設
される。Particularly to FIG. 1 to FIG. 6 an embodiment of EXAMPLES Hereinafter the present invention. (Note that the same reference numerals are given to members and parts substantially identical or corresponding conventional configuration described with reference to FIGS. 7 to 10, redundant explanation is omitted.) First, the plane of FIG. 1 the shown in the sectional view of FIG. and 2
In a preferred embodiment of the invention, the first arm
Among the arm 22f and the second arm 22r, inside the lengthwise middle portion of the relatively long second arm 22r and curved, multiple pieces partition member 42 (in the shown example three) are welded 44a and 44b allows the top wall or web 26 and longitudinal flange 28
To each other. According to this embodiment, the second arm 2
Since the plurality of partition members 42 are fixed to the intermediate portion in the length direction of 2r, the open end of the vertical flange 28 is expanded and contracted by vibration, so that the cross-sectional deformation of the longitudinal flange 28 is restricted, the bending rigidity as a beam is enhanced, and the vibration is increased. Can be suppressed to a small amplitude similar to or close to that of the first arm 22f.
As a result, the vehicle compartment, in particular, the vehicle compartment near the rear seat near the first and second brackets 24f and 24r that support the first and second connecting portions 22d of the first arm 22f and the second arm 22r on the vehicle body side. There is an advantage that the unpleasant noise can be extremely effectively reduced and the livability can be greatly improved . Further, the partition member
Reference numeral 42 denotes a small and lightweight weld, and the welds 44a and 44
Since the welding length of b is short, the weight of the upper arm 22 increases.
Can be minimized, and the entire upper arm 22 can be
Compared to the case where vibration is reduced by making
It has the advantage of low cost and low manufacturing cost .
An appropriate number of the partition members 42 are provided so that the amplitude of the vibration of the second arm 22r is reduced to substantially the same as that of the first arm 22f.
【００１１】また、図３は第１発明の変形例を示し、こ
の変形例では、隔壁部材４２が、第２腕２２ｒの内側に
挿入されてスポット溶接４４ｃにより頂壁又はウエブ２
６に固着される 第１フランジ４２ａと、縦フランジ２
８に当接されてスポット溶接４４ｄにより同縦フランジ
に固着される一対の第２フランジ４２ｂとを具えてい
る。この構造によれば、アッパアーム２２の第２腕２２
ｒに対する隔壁部材４２の取付け作業が容易で溶接コス
トが他の溶接方法と較べて安く、さらに熱影響部の範囲
が狭いので強制的に有利であり、勿論、第２腕２２ｒの
曲げ剛性の増強効果は、図１及び図２に示した実施例と
略同等である。FIG. 3 shows a modification of the first invention . In this modification, a partition wall member 42 is inserted inside the second arm 22r and is spot-welded 44c to form a top wall or web 2.
6, a first flange 42a and a vertical flange 2
8 and a pair of second flanges 42b fixed to the vertical flange by spot welding 44d. According to this structure, the second arm 22 of the upper arm 22
r, the work of attaching the partition member 42 to the second arm 22r is easy, the welding cost is cheaper than other welding methods, and the range of the heat-affected zone is narrow, which is forcibly advantageous. Of course, the bending rigidity of the second arm 22r is enhanced. effects embodiment is substantially the same as shown in FIGS.
【００１２】次に、図４の平面図及び図５の断面図に示
した第２発明の実施例では、第２腕２２ｒの長さ方向中
間部分において、相対向する縦フランジ２８に対し夫々
間隔を存して長手方向に延在する中間縦壁４６が溶接４
８により頂壁又はウエブ２６に固着されている。上記中
間縦壁４６を第２腕２２ｒの頂壁又はウエブ２６に固着
することによって、同第２腕２２ｒの曲げ剛性が増強さ
れ、振動を抑制し得ることは明らかであり、上記第１発
明の実施例及びその変形例と略同等の車室内騒音低減効
果を得ることができる。Next, in the embodiment of the second invention shown in the plan view of FIG. 4 and the cross-sectional view of FIG. 5 , in the longitudinally intermediate portion of the second arm 22r, the space between the opposed vertical flanges 28 is set. The intermediate vertical wall 46 extending in the longitudinal direction with the
8 is secured to the top wall or web 26. By fixing the intermediate vertical wall 46 to the top wall or web 26 of the second arm 22r, enhanced bending stiffness of the second arm 22r is, it is clear that that can suppress vibration, the first shot
It is possible to obtain a vehicle interior noise reduction effect substantially equal to that of the above-described embodiment and its modification .
【００１３】次に図６は、図４及び図５に示した第２発
明の実施例の変形例を示し、この変形例では、中間縦壁
４６がＬ字状部材として形成され、同中間縦壁４６のフ
ランジ４６ａが、スポット溶接４８ａによって第２腕２
２ｒの頂壁又はウエブ２６に固着されている。この構造
によっても、上記図４及び図５に示した実施例と同様の
振動低減効果が得られると共に、溶接コストを一層低減
することができ、またスポット溶接の特徴として熱影響
部が狭いので、他の溶接法と較べ疲労強度が優れている
追加の利点がある。Next, FIG. 6 shows the second embodiment shown in FIGS.
In this modification, the intermediate vertical wall 46 is formed as an L-shaped member, and the flange 46a of the intermediate vertical wall 46 is spot-welded to the second arm 2 by spot welding 48a.
2r is fixed to the top wall or web 26. According to this structure, the same vibration reduction effect as that of the embodiment shown in FIGS. 4 and 5 can be obtained, the welding cost can be further reduced, and the heat-affected zone is narrow as a feature of spot welding. There is an additional advantage that the fatigue strength is better than other welding methods.
【００１４】[0014]
【発明の効果】叙上のように、第１発明に係る自動車の
後輪サスペンションアームは、自動車の後輪ナックルか
ら上方に延在した支柱上の車輪側連結部から略車巾方向
に延在して車体側の第１連結部に連結される下方に開口
した略コ字状断面の第１腕と、上記車輪側連結部から湾
曲して延在し上記車体側第１連結部より後方の車体側の
第２連結部に連結される下方に開口した略コ字状断面の
第２腕とを具え、同第２腕の対向する縦フランジを相互
に連結し曲げ剛性を増大する複数個の隔壁部材を設けた
ことを特徴とし、また第２発明に係る自動車の後輪サス
ペンションアームは、自動車の後輪ナックルから上方に
延在した支柱上の車輪側連結部から略車巾方向に延在し
て車体側の第１連結部に連結される下方に開口した略コ
字状断面の第１腕と、上記車輪側連結部から湾曲して延
在し上記車体側第１連結部より後方の車体側の第２連結
部に連結される下方に開口した略コ字状断面の第２腕と
を具え、同第２腕の対向する縦フランジに対し夫々間隔
を存して上記第２腕の長手方向に延在しその頂壁に固着
され曲げ剛性を増大する中間縦壁を設けたことを特徴と
し、夫々外部入力に基づく後輪サスペンションアームの
上記第２腕の振動を抑制して車室内騒音を効果的に低減
することができる構造簡単かつ軽量で、しかも安価な構
成を提供し得る利点がある。As on ordination according to the present invention, wheel suspension arm after the vehicle according to the first invention, it extends in a substantially vehicle width direction from the wheel-side connecting portion of the strut extending from the wheel knuckle upward after the motor vehicle a first arm of a substantially U-shaped cross section that opens downward is connected to the first connecting portion of the vehicle body, and the body-side first extends to the bay <br/> songs from the wheel-side connecting portion A second arm having a substantially U-shaped cross section opened downward and connected to a second connection portion on the vehicle body side behind the connection portion, and opposing vertical flanges of the second arm are connected to each other.
A plurality of partition wall members increasing the connecting bending stiffness provided
And a rear wheel suspension according to the second invention.
The pension arm extends upward from the rear wheel knuckle of the car
Extending approximately in the vehicle width direction from the wheel-side connection portion on the extended strut
Lower opening that is connected to the first connecting portion on the vehicle body side.
Curved from the first arm having a U-shaped cross section and
And a second connection on the vehicle body side behind the first connection portion on the vehicle body side.
A second arm having a substantially U-shaped cross section opened downward connected to the
With a space between each of the opposed vertical flanges of the second arm.
Extending in the longitudinal direction of the second arm and fixed to the top wall thereof
Structure is bent characterized in that an intermediate vertical wall to increase the rigidity, it is possible to effectively reduce the interior noise by suppressing vibration of the second arm of the rear wheel suspension arm based on each externally input There is an advantage that a simple, lightweight and inexpensive configuration can be provided.
【図１】第１発明の実施例を示す平面図である。 FIG. 1 is a plan view showing an embodiment of the first invention.
【図２】第１のＩＩ−ＩＩ線に沿い矢印方向に視た断面
図である。FIG. 2 is a cross-sectional view taken along a first II-II line and viewed in a direction indicated by an arrow.
FIG .
【図３】第１発明の上記図１及び図２に示した実施例の
変形例を示す斜視図である。 FIG. 3 shows an embodiment of the first invention shown in FIGS. 1 and 2;
It is a perspective view showing a modification.
【図４】第２発明の実施例を示す平面図である。 FIG. 4 is a plan view showing an embodiment of the second invention.
【図５】第４のＶ−Ｖ線に沿い矢印方向に視た断面図で
ある。 FIG. 5 is a sectional view taken along a fourth VV line and viewed in a direction of an arrow.
is there.
【図６】第２発明の変形例を示す断面図である。 FIG. 6 is a sectional view showing a modification of the second invention.
【図７】乗用自動車の後輪サスペンション装置の一例を
示した概略側面図である。FIG. 7 shows an example of a rear suspension device for a passenger car .
It is the schematic side view shown .
【図８】図７に示したサスペンション装置の概略平面図
である。 8 is a schematic plan view of the suspension device shown in FIG.
It is.
【図９】図８におけるアッパアーム２２を抽出して示し
た平面図である。 FIG. 9 shows an extracted upper arm 22 in FIG . 8;
FIG.
【図１０】図９における線Ｘ １ −Ｘ １ 及びＸ ２ −Ｘ ２ に
沿う断面図である。 FIG. 10 shows lines X 1 -X 1 and X 2 -X 2 in FIG .
It is sectional drawing which follows.
１０…後輪ナックル、１２…後輪、１４…前方ロワアー
ム、１８…後方ロワアーム、２０…支柱、２２…アッパ
アーム、２２ｆ…第１腕、２２ｒ…第２腕、２２ｃ…車
輪側連結部、２２ｄ…車体側第１連結部、２２ｅ…車体
側第２連結部、２６…頂壁、２８…縦フランジ、４０…
板部材、４２…隔壁部材、４６…中間縦壁。DESCRIPTION OF SYMBOLS 10 ... Rear wheel knuckle, 12 ... Rear wheel, 14 ... Front lower arm, 18 ... Rear lower arm, 20 ... Prop, 22 ... Upper arm, 22f ... 1st arm, 22r ... 2nd arm, 22c ... Wheel side connection part, 22d ... Vehicle-body-side first connection portion, 22e: Vehicle-body-side second connection portion, 26: Top wall, 28: Vertical flange, 40 ...
Plate member, 42 ... partition member, 46 ... middle vertical wall.
Claims (2)
た支柱上の車輪側連結部から略車巾方向に延在して車体
側の第１連結部に連結される下方に開口した略コ字状断
面の第１腕と、上記車輪側連結部から湾曲して延在し上
記車体側第１連結部より後方の車体側の第２連結部に連
結される下方に開口した略コ字状断面の第２腕とを具
え、同第２腕の対向する縦フランジを相互に連結し曲げ
剛性を増大する複数個の隔壁部材を設けたことを特徴と
する自動車の後輪サスペンションアーム。1. A substantially downwardly extending opening that extends substantially in the vehicle width direction from a wheel-side connection portion on a column extending upward from a rear wheel knuckle of an automobile and is connected to a first connection portion on a vehicle body side. a first arm-shape cross section, opened downwardly to be connected to the second connecting portion of the rear of the vehicle body than the vehicle body side first connecting portion extends in curved from the wheel-side connecting portion substantially U A rear wheel suspension arm for an automobile, comprising: a second arm having a cross section in a cross section; and a plurality of partition members for increasing bending rigidity by interconnecting opposed vertical flanges of the second arm.
た支柱上の車輪側連結部から略車巾方向に延在して車体
側の第１連結部に連結される下方に開口した略コ字状断
面の第１腕と、上記車輪側連結部から湾曲して延在し上
記車体側第１連結部より後方の車体側の第２連結部に連
結される下方に開口した略コ字状断面の第２腕とを具
え、同第２腕の対向する縦フランジに対し夫々間隔を存
して上記第２腕の長手方向に延在しその頂壁に固着され
曲げ剛性を増大する中間縦壁を設けたことを特徴とする
自動車の後輪サスペンションアーム。2. A vehicle extending upward from a rear knuckle of a vehicle.
Extending in the vehicle width direction from the wheel side connection part on the
Downward open U-shaped section connected to the first connection portion on the side
A first arm of the surface, and a curved arm extending from the wheel-side connecting portion;
Connected to the second connecting portion on the vehicle body side behind the first connecting portion on the vehicle body side.
And a second arm having a substantially U-shaped cross-section opened downward and connected thereto.
There is a space between each of the opposed vertical flanges of the second arm.
And extends in the longitudinal direction of the second arm and is fixed to the top wall thereof.
A rear wheel suspension arm for an automobile, wherein an intermediate vertical wall for increasing bending rigidity is provided .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07041181A JP3127764B2 (en) | 1995-01-22 | 1995-01-22 | Car rear wheel suspension arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07041181A JP3127764B2 (en) | 1995-01-22 | 1995-01-22 | Car rear wheel suspension arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08197923A JPH08197923A (en) | 1996-08-06 |
| JP3127764B2 true JP3127764B2 (en) | 2001-01-29 |
Family
ID=12601262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07041181A Expired - Fee Related JP3127764B2 (en) | 1995-01-22 | 1995-01-22 | Car rear wheel suspension arm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3127764B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019066562A1 (en) * | 2017-09-29 | 2019-04-04 | 주식회사 일진 | Method for manufacturing hybrid suspension arm for vehicle using fixing pin and hybrid suspension arm manufactured by using same |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009101932A (en) * | 2007-10-24 | 2009-05-14 | Toyota Motor Corp | Suspension arm |
| WO2017115932A1 (en) * | 2015-12-30 | 2017-07-06 | 주식회사 일진 | Hybrid suspension arm for vehicle and manufacturing method therefor |
| WO2017116182A2 (en) * | 2015-12-30 | 2017-07-06 | 주식회사 일진 | Hybrid suspension arm for vechicle and manufacturing method thereof |
| KR101792137B1 (en) * | 2016-12-27 | 2017-11-02 | 주식회사 일진 | Hybrid suspension arm for vehicle |
| CN111918781B (en) * | 2018-04-09 | 2023-12-19 | 日本制铁株式会社 | Component having top plate portion and side wall portion |
| EP3904131B1 (en) * | 2018-12-26 | 2023-08-16 | Nippon Steel Corporation | Automobile suspension part |
-
1995
- 1995-01-22 JP JP07041181A patent/JP3127764B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019066562A1 (en) * | 2017-09-29 | 2019-04-04 | 주식회사 일진 | Method for manufacturing hybrid suspension arm for vehicle using fixing pin and hybrid suspension arm manufactured by using same |
| US11104196B2 (en) | 2017-09-29 | 2021-08-31 | Iljin Co., Ltd. | Method for manufacturing hybrid suspension arm for vehicle using fixing pin and hybrid suspension arm manufactured by using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08197923A (en) | 1996-08-06 |
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