JPH0920115A - Suspension arm for vehicle - Google Patents
Suspension arm for vehicleInfo
- Publication number
- JPH0920115A JPH0920115A JP16885095A JP16885095A JPH0920115A JP H0920115 A JPH0920115 A JP H0920115A JP 16885095 A JP16885095 A JP 16885095A JP 16885095 A JP16885095 A JP 16885095A JP H0920115 A JPH0920115 A JP H0920115A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- suspension arm
- shaped member
- welded
- members
- 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
Classifications
-
- 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
- B60G2206/012—Hollow or tubular elements
-
- 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
- B60G2206/11—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link
-
- 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
- B60G2206/124—Constructional features of arms the arm having triangular or Y-shape, e.g. wishbone
-
- 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
- B60G2206/80—Manufacturing procedures
- B60G2206/82—Joining
- B60G2206/8201—Joining by welding
Landscapes
- Vehicle Body Suspensions (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、第１板状部材及び
第２板状部材を重ね合わせて周縁部で一体に溶接し、そ
の基端側及び先端側にそれぞれ２ヵ所の車体取付部及び
１ヵ所のナックル取付部を設けてなる車両用サスペンシ
ョンアームに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a first plate-shaped member and a second plate-shaped member, which are superposed and integrally welded at a peripheral portion thereof, and two vehicle body mounting portions are provided on a base end side and a tip end side thereof, respectively. The present invention relates to a vehicle suspension arm provided with one knuckle mounting portion.
【０００２】[0002]
【従来の技術】プレス成形した上下一対の板状部材を重
ね合わせ、それらの外周を溶接して車両用サスペンショ
ンアームを構成する場合、外周のエッジ部を突き合わせ
て溶接すると、両板状部材を相互に位置決めすることが
可能となるために作業性が向上する。しかしながら、エ
ッジ部を突き合わせて溶接する場合には、溶接強度を高
めるために前記エッジ部にフランジを形成して突き合わ
せる必要があるため、前記フランジの分だけサスペンシ
ョンアームの断面積が減少して強度が低下する問題があ
る。2. Description of the Related Art When a pair of press-formed upper and lower plate-like members are superposed and the outer peripheries thereof are welded to form a suspension arm for a vehicle, when the outer peripheral edges are butted and welded, the two plate-like members are mutually joined. The workability is improved because it can be positioned in the. However, when the edges are butted and welded together, a flange must be formed and abutted at the edges in order to enhance the welding strength. There is a problem that
【０００３】一方、外周のエッジ部を相互に嵌合させて
溶接すれば、サスペンションアームの断面積を最大限に
確保して強度を増加させることができるが、このように
すると嵌合深さが定まらないために両板状部材を上下方
向に位置決めすることができず、従って溶接の際に特別
な位置決め治具が必要となる問題がある。On the other hand, if the outer peripheral edge portions are fitted to each other and welded together, the cross-sectional area of the suspension arm can be maximized and the strength can be increased. Since the two plate-shaped members cannot be positioned in the vertical direction because they are not determined, there is a problem that a special positioning jig is required for welding.
【０００４】[0004]
【発明が解決しようとする課題】本発明は前述の事情に
鑑みてなされたもので、一対の板状部材を重ね合わせて
周縁部で一体に溶接することによりサスペンションアー
ムを構成する際に、その断面積を充分に確保して強度を
増加させながら、溶接のための位置決めが容易に行える
ようにすることを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and when a suspension arm is constructed by superposing a pair of plate-like members and integrally welding them at the peripheral edge, It is an object of the present invention to facilitate positioning for welding while ensuring sufficient cross-sectional area and increasing strength.
【０００５】[0005]
【課題を解決するための手段】前記目的を達成するため
に、請求項１に記載された発明は、第１板状部材及び第
２板状部材を重ね合わせて周縁部で一体に溶接し、その
基端側及び先端側にそれぞれ２ヵ所の車体取付部及び１
ヵ所のナックル取付部を設けてなる車両用サスペンショ
ンアームにおいて、相対向する周縁部のうち、一方の周
縁部において前記両板状部材のエッジ部を上下に突き合
わせて溶接するとともに、他方の周縁部において前記両
板状部材のエッジ部を上下に嵌合させて溶接し、更に前
記両板状部材が相互に当接する当接部を設けて前記他方
の周縁部のエッジ部を上下方向に位置決めしたことを特
徴とする。In order to achieve the above object, the invention described in claim 1 is such that a first plate-shaped member and a second plate-shaped member are superposed and integrally welded at a peripheral edge portion, Two body mounting parts and one on each of the base end side and the tip end side.
In a vehicle suspension arm provided with knuckle attachment parts at one place, of the opposite peripheral edges, at one peripheral edge, the edge portions of the plate members are vertically butted and welded, and at the other peripheral edge portion. The edge portions of the both plate-shaped members are fitted vertically and welded to each other, and further, the contact portions where the plate-shaped members abut each other are provided to position the edge portion of the other peripheral edge portion in the vertical direction. Is characterized by.
【０００６】また請求項２に記載された発明は、請求項
１の構成に加えて、前記第１板状部材及び第２板状部材
間に延びる中心面上に前記車体取付部及びナックル取付
部を位置させることにより、第１板状部材又は第２板状
部材を上側にして左側サスペンションアーム又は右側サ
スペンションアームとして使用可能としたことを特徴と
する。According to a second aspect of the invention, in addition to the structure of the first aspect, the vehicle body mounting portion and the knuckle mounting portion are provided on a center plane extending between the first plate member and the second plate member. Is located so that the first plate-shaped member or the second plate-shaped member can be used as a left suspension arm or a right suspension arm with the first plate-shaped member or the second plate-shaped member facing upward.
【０００７】[0007]
【作用】請求項１の構成によれば、第１板状部材及び第
２板状部材を重ね合わせて溶接する際に、一方の周縁部
において両板状部材のエッジ部が上下に突き合わされて
位置決めされ、他方の周縁部のエッジ部は両板状部材の
当接部が上下に当接することにより位置決めされる。ま
た、他方の周縁部において両板状部材のエッジ部が上下
に嵌合して溶接されるため、この部分でサスペンション
アームの断面積が増加して強度が向上する。According to the structure of claim 1, when the first plate-shaped member and the second plate-shaped member are overlapped and welded to each other, the edge portions of both plate-shaped members are abutted vertically at one peripheral edge portion. Positioning is performed, and the edge portion of the other peripheral edge portion is positioned by the abutting portions of both plate-shaped members abutting vertically. In addition, since the edge portions of both plate-like members are vertically fitted and welded at the other peripheral edge portion, the cross-sectional area of the suspension arm is increased and the strength is improved at this portion.
【０００８】請求項２の構成によれば、第１板状部材又
は第２板状部材を上側にして左側サスペンションアーム
又は右側サスペンションアームとして使用しても、必ず
中心面上に車体取付部及びナックル取付部が位置するた
め、左右のサスペンションの対称性を維持することがで
きる。According to the structure of claim 2, even when the first plate-shaped member or the second plate-shaped member is used as the left side suspension arm or the right side suspension arm with the first plate-shaped member or the second plate-shaped member on the upper side, the vehicle body mounting portion and the knuckle are always on the center plane. Since the mounting portion is located, the symmetry of the left and right suspensions can be maintained.
【０００９】[0009]
【発明の実施の形態】以下、本発明の実施の形態を、添
付図面に示した本発明の実施例に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on embodiments of the present invention shown in the accompanying drawings.
【００１０】図１〜図１５は本発明の一実施例を示すも
ので、図１は車両の左前輪の正面図、図２は左側サスペ
ンションアームの上面図、図３は左側サスペンションア
ームの下面図、図４は図２の４−４線矢視図、図５は図
４の要部拡大図、図６は図２の６方向矢視図、図７は図
６の要部拡大図、図８は図２の８Ａ−８Ａ線、８Ｂ−８
Ｂ線及び８Ｃ−８Ｃ線断面図、図９は図２の９Ｄ−９Ｄ
線、９Ｅ−９Ｅ線及び９Ｆ−９Ｆ線断面図、図１０は右
側サスペンションアームの上面図、図１１は右側サスペ
ンションアームの下面図、図１２は図１０の１２方向拡
大矢視図、図１３は図１０の１３方向拡大矢視図、図１
４は左右のサスペンションアームの加工手順を説明する
図、図１５はスタビライザー取付部の加工手順を説明す
る図である。1 to 15 show an embodiment of the present invention. FIG. 1 is a front view of a left front wheel of a vehicle, FIG. 2 is a top view of a left suspension arm, and FIG. 3 is a bottom view of a left suspension arm. 4, FIG. 4 is a view taken along the line 4-4 of FIG. 2, FIG. 5 is an enlarged view of an essential part of FIG. 4, FIG. 6 is a view of a six-direction arrow of FIG. 2, and FIG. 7 is an enlarged view of an essential part of FIG. 8 is a line 8A-8A and 8B-8 in FIG.
B line and 8C-8C line sectional drawing, FIG. 9 is 9D-9D of FIG.
Line, 9E-9E line and 9F-9F line sectional view, FIG. 10 is a top view of the right suspension arm, FIG. 11 is a bottom view of the right suspension arm, FIG. 12 is a 12 direction enlarged arrow view of FIG. 10, and FIG. 13 is an enlarged arrow view of FIG. 10, FIG.
4 is a diagram for explaining the processing procedure for the left and right suspension arms, and FIG. 15 is a diagram for explaining the processing procedure for the stabilizer mounting portion.
【００１１】図１に示すように、車両の左前輪Ｗｆを懸
架するマクファーソン式サスペンションＳは、基端側が
前後２ヵ所で図示せぬ車体フレームに上下揺動自在に枢
支されたＡ型の左側サスペンションアームＡＬと、左側
サスペンションアームＡＬの先端側に枢支されたナック
ル１と、ナックル１の上部を図示せぬ車体フレームに接
続するフロントダンパー２とを備える。フロントダンパ
ー２は、伸縮自在な油圧シリンダよりなるダンパーユニ
ット３と、ダンパーユニット３の外周に巻回されたコイ
ルばね４とを備える。車体右側のサスペンションＳは前
記左側サスペンションアームＡＬと実質的に同一構造の
右側サスペンションアームＡＲを備えており、左右のサ
スペンションアームＡＬ，ＡＲはスタビライザー５によ
って相互に接続される。As shown in FIG. 1, a MacPherson type suspension S for suspending a left front wheel Wf of a vehicle is a left side of an A type which is pivotally supported by a body frame (not shown) at its base end at two front and rear positions. A suspension arm AL, a knuckle 1 pivotally supported on the tip side of the left suspension arm AL, and a front damper 2 that connects an upper portion of the knuckle 1 to a body frame (not shown) are provided. The front damper 2 includes a damper unit 3 formed of an expandable and contractible hydraulic cylinder, and a coil spring 4 wound around the damper unit 3. The suspension S on the right side of the vehicle body includes a right side suspension arm AR having substantially the same structure as the left side suspension arm AL, and the left and right suspension arms AL and AR are connected to each other by a stabilizer 5.
【００１２】次に、左側サスペンションアームＡＬの構
造を説明する。Next, the structure of the left suspension arm AL will be described.
【００１３】図２、図３及び図１４に示すように、左側
サスペンションアームＡＬの本体部は、その上面を構成
する第１板状部材Ａ１と、その下面を構成する第２板状
部材Ａ２とを溶接で一体に結合してなる。図１４（Ａ）
における符号Ａ１′は第１板状部材Ａ１の素材を示して
おり、第１板状部材Ａ１及び第２板状部材Ａ２の溶接に
先立って、第１板状部材素材Ａ１′の先端側の切除部１
１1 がカットライン１２1 を介して切除されるととも
に、スタビライザー支持面１０1 に小径のスタビライザ
ー取付孔１３1 が穿設される。一方、図１４（Ａ）にお
ける符号Ａ２′は第２板状部材Ａ２の素材を示してお
り、第１板状部材Ａ１及び第２板状部材Ａ２の溶接に先
立って、第２板状部材素材Ａ２′のスタビライザー支持
面１０2 に１個の大径のスタビライザー取付用逃げ孔１
４2 と、２個の溶接孔１５2 ，１５2とが穿設されると
ともに、他の所定の部位に２個の水抜き孔１６2 ，１６
2 と、１個のボールハウジング取付孔１７2 とが穿設さ
れる。As shown in FIGS. 2, 3 and 14, the main body of the left suspension arm AL includes a first plate-shaped member A1 constituting the upper surface thereof and a second plate-shaped member A2 constituting the lower surface thereof. Are joined together by welding. FIG. 14 (A)
Reference numeral A1 'in Fig. 1 indicates a material of the first plate-shaped member A1. Prior to welding the first plate-shaped member A1 and the second plate-shaped member A2, cutting of the tip side of the first plate-shaped member material A1' is performed. Part 1
1 1 is cut off through the cut line 12 1 , and a small-diameter stabilizer mounting hole 13 1 is formed in the stabilizer support surface 10 1 . On the other hand, reference numeral A2 'in FIG. 14 (A) indicates the material of the second plate-shaped member A2. Prior to welding the first plate-shaped member A1 and the second plate-shaped member A2, the second plate-shaped material One large-diameter stabilizer mounting clearance hole 1 on the stabilizer support surface 10 2 of A2 '
4 2 and two welding holes 15 2 and 15 2 are drilled, and two drainage holes 16 2 and 16 are provided at other predetermined portions.
2 and one ball housing mounting hole 17 2 are bored.
【００１４】図１４（Ａ）に示すように、第１板状部材
素材Ａ１′の外周には第１エッジ部１８1 、第２エッジ
部１９1 及び第３エッジ部２０1 が形成されており、こ
れらエッジ部１８1 ，１９1 ，２０1 にそれぞれ対応し
て第２板状部材素材Ａ２′の外周に第１エッジ部１
８2 、第２エッジ部１９2 及び第３エッジ部２０2 が形
成される。第１板状部材Ａ１及び第２板状部材Ａ２を結
合する際に、第１板状部材Ａ１の第１〜第３エッジ部１
８1 ，１９1 ，２０1 が、それぞれ第２板状部材Ａ２の
第１〜第３エッジ部１８2 ，１９2 ，２０2 に溶接され
る。As shown in FIG. 14A, a first edge member 18 1 , a second edge member 19 1 and a third edge member 20 1 are formed on the outer periphery of the first plate member material A1 '. , The first edge portion 1 on the outer periphery of the second plate member material A2 'corresponding to these edge portions 18 1 , 19 1 , 20 1 , respectively.
8 2 , the second edge portion 19 2 and the third edge portion 20 2 are formed. When joining the first plate-shaped member A1 and the second plate-shaped member A2, the first to third edge portions 1 of the first plate-shaped member A1
8 1 , 19 1 and 20 1 are welded to the first to third edge portions 18 2 , 19 2 and 20 2 of the second plate-shaped member A2, respectively.
【００１５】図２、図３、図８及び図９を併せて参照す
ると明らかなように、第１板状部材Ａ１の第１エッジ部
１８1 と第２板状部材Ａ２の第１エッジ部１８2 とは上
下に突き合わされた状態で溶接Ｗ1 され、また第１板状
部材Ａ１の第２エッジ部１９ 1 と第２板状部材Ａ２の第
２エッジ部１９2 とは上下に突き合わされた状態で溶接
Ｗ2 される。一方、第１板状部材Ａ１の第３エッジ部２
０1 は第２板状部材Ａ２の第３エッジ部２０2 の外側に
嵌合した状態で溶接Ｗ3 される。Please refer to FIG. 2, FIG. 3, FIG. 8 and FIG. 9 together.
As is clear, the first edge portion of the first plate member A1
181And the first edge portion 18 of the second plate member A2TwoIs above
Welding W in the state of being butt-bottomed1And also the first plate
Second edge portion 19 of member A1 1And the second plate-shaped member A2
2 edge part 19TwoAre welded in a state of being butt-top-to-bottom
WTwoIs done. On the other hand, the third edge portion 2 of the first plate member A1
01Is the third edge portion 20 of the second plate member A2.TwoOutside of
Welding W in mated stateThreeIs done.
【００１６】第１板状部材Ａ１のインナシャフト支持部
２１1 の内面に、左側サスペンションアームＡＬの基端
側後部を車体フレームに枢支するゴムブッシュジョイン
トのインナシャフト２２が溶接Ｗ4 される（図８
（Ａ），（Ｂ）参照）。尚、前記溶接Ｗ4 は第１板状部
材Ａ１及び第２板状部材Ａ２を溶接Ｗ1 〜Ｗ3 する前に
行われる。このとき、インナシャフト２２のフランジ２
３が第１板状部材Ａ１及び第２板状部材Ａ２の端面に溶
接Ｗ5 されて補強される（図２及び図３参照）。The inner shaft 22 of the rubber bush joint that pivotally supports the rear end portion of the left suspension arm AL on the vehicle body frame is welded W 4 to the inner surface of the inner shaft support portion 21 1 of the first plate member A1 ( Figure 8
(See (A) and (B)). The welding W 4 is performed before the welding W 1 to W 3 of the first plate member A1 and the second plate member A2. At this time, the flange 2 of the inner shaft 22
3 is welded W 5 to the end faces of the first plate-shaped member A1 and the second plate-shaped member A2 to be reinforced (see FIGS. 2 and 3).
【００１７】第１板状部材Ａ１のアウタパイプ支持部２
５1 及び第２板状部材Ａ２のアウタパイプ支持部２５2
に、左側サスペンションアームＡＬの基端側前部を車体
フレームに枢支するゴムブッシュジョイントのアウタパ
イプ２６が溶接Ｗ6 される（図２及び図３参照）。Outer pipe support 2 of the first plate member A1
5 1 and the outer pipe supporting portion 25 2 of the second plate member A2
Then, the outer pipe 26 of the rubber bush joint that pivotally supports the front end portion of the left suspension arm AL on the vehicle body frame is welded W 6 (see FIGS. 2 and 3).
【００１８】前述したように第１板状部材の切除部１１
1 （図１４（Ａ）参照）が予め切除されているため、そ
こに対応する第２板状部材Ａ２のボールハウジング支持
部２７2 の裏面は上向きに露出している（図５及び図７
参照）。ボールハウジング支持部２７2 に穿設された前
記ボールハウジング取付孔１７2 に、左側サスペンショ
ンアームＡＬの先端をナックル１に枢支するボールジョ
イントのボールハウジング２８が溶接Ｗ7 される。As described above, the cutout portion 11 of the first plate member
Since 1 (see FIG. 14 (A)) is cut off in advance, the back surface of the ball housing support portion 27 2 of the second plate-shaped member A2 corresponding thereto is exposed upward (FIGS. 5 and 7).
reference). A ball housing 28 of a ball joint that pivotally supports the tip of the left suspension arm AL on the knuckle 1 is welded W 7 to the ball housing mounting hole 17 2 formed in the ball housing support portion 27 2 .
【００１９】図３及び図９（Ｆ）において鎖線で囲んだ
当接部ａにおいて、第１板状部材Ａ１及び第２板状部材
Ａ２が相互に当接しており、両板状部材Ａ１，Ａ２は前
記当接部ａに位置するように第２板状部材Ａ２に穿設し
た前記溶接孔１５2 ，１５2を介して一体に溶接Ｗ8 さ
れる。また、図４及び図８（Ａ）において鎖線で囲んだ
当接部ｂにおいて、第１板状部材Ａ１及び第２板状部材
Ａ２が相互に当接している。The first plate member A1 and the second plate member A2 are in contact with each other at the contact portion a surrounded by a chain line in FIGS. 3 and 9 (F), and both plate members A1 and A2. Is integrally welded W 8 through the welding holes 15 2 and 15 2 formed in the second plate-shaped member A2 so as to be located at the contact portion a. The first plate-shaped member A1 and the second plate-shaped member A2 are in contact with each other at the contact portion b surrounded by the chain line in FIGS. 4 and 8A.
【００２０】上述したように、第１板状部材Ａ１及び第
２板状部材Ａ２を相互に重ね合わせて溶接Ｗ1 〜Ｗ3 す
る際に、第１板状部材Ａ１の第１、第２エッジ部１
８1 ，１９1 を第２板状部材Ａ２の第１、第２エッジ部
１８2 ，１９2 にそれぞれ付き合わせているので、両板
状部材Ａ１，Ａ２の厚さ方向の位置決めを確実に行うこ
とができる（図８及び図９参照）。一方、第１板状部材
Ａ１の第３エッジ部２０1は第２板状部材Ａ２の第３エ
ッジ部２０2 の外側に嵌合しているため、これら第３エ
ッジ部２０1 ，２０2 では両板状部材Ａ１，Ａ２の厚さ
方向の位置決めを確実に行うことができず、溶接Ｗ1 〜
Ｗ3 の際に位置決め用の特別な治具が必要となる。[0020] As described above, when the first plate-like member A1 and the second plate member A2 superposed on each other to weld W 1 to W-3, first, second edge of the first plate-like member A1 Part 1
Since 8 1 and 19 1 are attached to the first and second edge portions 18 2 and 19 2 of the second plate member A2, respectively, the plate members A1 and A2 are reliably positioned in the thickness direction. (See FIGS. 8 and 9). On the other hand, since the third edge portion 20 1 of the first plate-shaped member A1 is fitted to the outside of the third edge portion 20 2 of the second plate-shaped member A2, these third edge portions 20 1 , 20 2 Since the positioning of both plate-shaped members A1 and A2 in the thickness direction cannot be reliably performed, the welding W 1 ~
A special jig for positioning is required for W 3 .
【００２１】しかしながら、実際には第１板状部材Ａ１
及び第２板状部材Ａ２が前記２つの当接部ａ，ｂ（図８
（Ａ）及び図９（Ｆ）参照）において相互に当接して厚
さ方向に位置決めされているため、前述した特別の治具
を使用しなくとも、第１板状部材Ａ１の第３エッジ部２
０1 及び第２板状部材Ａ２の第３エッジ部２０2 を厚さ
方向に位置決めして溶接Ｗ1 〜Ｗ3 の作業性を向上させ
ることができる。However, in practice, the first plate-shaped member A1
And the second plate-shaped member A2 has the two contact portions a and b (see FIG. 8).
(A) and FIG. 9 (F)), the third edge portion of the first plate-shaped member A1 is abutted against each other and positioned in the thickness direction without using the special jig described above. Two
0 1 and the third edge portion 20 2 of the second plate member A2 can be positioned in the thickness direction to improve workability of the welding W 1 to W 3 .
【００２２】また、第１エッジ部１８1 ，１８2 及び第
２エッジ部１９1 ，１９2 の如くフランジによって付き
合わせを行うと、サスペンションアームＡＬの断面積が
減少して強度上不利であるが、第３エッジ部２０1 ，２
０2 はフランジを持たずに相互に嵌合しているため、こ
の部分で断面積を稼いでサスペンションアームＡＬの強
度を増加させることができる。When the first edge portions 18 1 and 18 2 and the second edge portions 19 1 and 19 2 are attached to each other by flanges, the cross-sectional area of the suspension arm AL is reduced, which is disadvantageous in strength. , The third edge portion 20 1 , 2
Since 0 2 is fitted to each other without having a flange, it is possible to increase the strength of the suspension arm AL by gaining a cross-sectional area at this portion.
【００２３】ところで、上述のようにして第１板状部材
Ａ１及び第２板状部材Ａ２を結合して左側サスペンショ
ンアームＡＬを製作するとき、図５及び図７から明らか
なように、予め第１板状部材Ａ１から切除部１１1 が切
除されているため、第１板状部材Ａ１及び第２板状部材
Ａ２が相互に干渉することがない。また第１板状部材Ａ
１及び第２板状部材Ａ２を結合して左側サスペンション
アームＡＬを製作するとき、図１５（Ａ）に示すよう
に、予め下側の第２板状部材Ａ２に大径のスタビライザ
ー取付用逃げ孔１４2 が穿設されているため、その部分
に上側の第１板状部材Ａ１が干渉することがない。By the way, when the first plate-shaped member A1 and the second plate-shaped member A2 are combined as described above to manufacture the left suspension arm AL, as is apparent from FIGS. Since the cut portion 11 1 is cut from the plate member A1, the first plate member A1 and the second plate member A2 do not interfere with each other. The first plate-shaped member A
When the left suspension arm AL is manufactured by connecting the first and second plate-shaped members A2, as shown in FIG. 15 (A), a large-diameter stabilizer mounting escape hole is previously formed in the lower second plate-shaped member A2. Since 14 2 is provided, the upper first plate-shaped member A1 does not interfere with that portion.
【００２４】次に、右側サスペンションアームＡＲの構
造を説明する。Next, the structure of the right suspension arm AR will be described.
【００２５】右側サスペンションアームＡＲは、左側サ
スペンションアームＡＬの素材である第１板状部材素材
Ａ１′及び第２板状部材素材Ａ２′と同じ素材を使用し
て製作されるもので、その概略の構造は左側サスペンシ
ョンアームＡＬを表裏反転したものに類似している。The right suspension arm AR is made of the same material as the first plate member material A1 'and the second plate member material A2' which are the materials of the left suspension arm AL. The structure is similar to that of the left suspension arm AL which is turned upside down.
【００２６】図１４（Ａ）に示すように左側サスペンシ
ョンアームＡＬは第１板状部材素材Ａ１′を上面側に使
用し、第２板状部材素材Ａ２′を下面側に使用している
が、図１４（Ｂ）に示すように右側サスペンションアー
ムＡＲは第１板状部材素材Ａ１′を下面側に使用し、第
２板状部材素材Ａ２′を上面側に使用している。As shown in FIG. 14A, the left suspension arm AL uses the first plate member material A1 'on the upper surface side and the second plate member material A2' on the lower surface side. As shown in FIG. 14B, the right suspension arm AR uses the first plate member material A1 'on the lower surface side and the second plate member material A2' on the upper surface side.
【００２７】従って、右側サスペンションアームＡＲ
は、その下面を構成する第１板状部材Ａ１が、第１板状
部材素材Ａ１′に１個の大径のスタビライザー取付用逃
げ孔１４1 と、２個の溶接孔１５1 ，１５1 と、２個の
水抜き孔１６1 ，１６1 と、１個のボールハウジング取
付孔１７1 とを穿設することにより製作され、また上面
を構成する第２板状部材Ａ２が、第２板状部材素材Ａ
２′の先端側の切除部１１ 2 をカットライン１２2 を介
して切除するとともに、小径のスタビライザー取付孔１
３2 を穿設することにより製作される。Therefore, the right suspension arm AR
Is the first plate-shaped member A1 constituting the lower surface of the first plate-shaped member A1.
One large-diameter stabilizer mounting relief for the material A1 '
Hole 141And two welding holes 151, 151And two
Drainage hole 161, 161And one ball housing
Hole 171Made by drilling and
The second plate-shaped member A2 that constitutes the second plate-shaped member material A
2 ′ tip side cutout 11 TwoCut line 12TwoThrough
And cut it out, and a small-diameter stabilizer mounting hole 1
3TwoIt is manufactured by drilling.
【００２８】而して、第１板状部材Ａ１及び第２板状部
材Ａ２は、左側サスペンションＡＬと同様にして、それ
らの外周のエッジ部１８1 ，１９1 ，２０1 ；１８2 ，
１９ 2 ，２０2 が溶接Ｗ1 ，Ｗ2 ，Ｗ3 される。そし
て、第１板状部材Ａ１のインナシャフト支持部２１1 の
内面にインナシャフト２２が溶接Ｗ4 されるともに、イ
ンナシャフト２２のフランジ２３が第１板状部材Ａ１及
び第２板状部材Ａ２の端面に溶接Ｗ5 され、更に第１、
第２板状部材Ａ１，Ａ2 のアウタパイプ支持部２５1 ，
２５2 にアウタパイプ２６が溶接Ｗ6 され、更に第１板
状部材Ａ１のボールハウジング支持部２７1 に穿設され
たボールハウジング取付孔１７1 にボールハウジング２
８が溶接Ｗ7 される。Thus, the first plate member A1 and the second plate member
Material A2 is the same as the left suspension AL,
Edge part 181, 191, 201; 18Two,
19 Two, 20TwoIs welding W1, WTwo, WThreeIs done. Soshi
The inner shaft support portion 21 of the first plate member A1.1of
Inner shaft 22 is welded to the inner surface WFourI will be
The flange 23 of the inner shaft 22 has the first plate member A1 and
And welding W to the end surface of the second plate member A2.FiveAnd first,
Second plate-shaped members A1, ATwoOuter pipe support 251,
25TwoThe outer pipe 26 is welded to W6And the first plate
-Shaped member A1 ball housing support portion 271Is drilled in
Ball housing mounting hole 171Ball housing 2
8 is welding W7Is done.
【００２９】第１板状部材Ａ１及び第２板状部材Ａ２を
結合して右側サスペンションアームＡＲを製作すると
き、図１２及び図１３から明らかなように、予め第２板
状部材Ａ２から切除部１１2 が切除されているため、第
１板状部材Ａ１及び第２板状部材Ａ２が相互に干渉する
ことがない。同様に、第１板状部材Ａ１及び第２板状部
材Ａ２を結合して右側サスペンションアームＡＲを製作
するとき、図１５（Ｂ）に示すように、予め下側の第１
板状部材Ａ１に大径のスタビライザー取付用逃げ孔１４
1 が穿設されているため、その部分に上側の第１板状部
材Ａ２が干渉することがない。When the right side suspension arm AR is manufactured by connecting the first plate-shaped member A1 and the second plate-shaped member A2, as shown in FIGS. 12 and 13, the cutout portion is previously cut from the second plate-shaped member A2. Since 11 2 is cut off, the first plate-shaped member A1 and the second plate-shaped member A2 do not interfere with each other. Similarly, when the first plate-shaped member A1 and the second plate-shaped member A2 are combined to manufacture the right suspension arm AR, as shown in FIG.
Large-diameter stabilizer mounting escape hole 14 in plate member A1
Since 1 is provided, the upper first plate-shaped member A2 does not interfere with that portion.
【００３０】このようにして製作された左右のサスペン
ションアームＡＬ，ＡＲは、何れも共通の第１板状部材
素材Ａ１′及び第２板状部材素材Ａ２′（図１４参照）
を用いているので、それら板状部材素材Ａ１′，Ａ２′
を成形するプレス金型の数を最小限に抑えてコストの削
減に寄与することができる。The left and right suspension arms AL and AR manufactured in this manner are common to both the first plate member material A1 'and the second plate member material A2' (see FIG. 14).
Since these are used, these plate member materials A1 ', A2'
It is possible to minimize the number of press dies for molding the resin and contribute to cost reduction.
【００３１】しかも、上述の構造を備えた左側サスペン
ションアームＡＬ及び右側サスペンションアームＡＲに
おいて、図４及び図６から明らかなように、前記インナ
シャフト２２、アウタパイプ２６及びボールハウジング
２８は、第１板状部材Ａ１及び第２板状部材Ａ２間に延
びる中心面Ｐ上に位置するように配置される。従って、
相互に表裏反転した関係にある左側サスペンションアー
ムＡＬ及び右側サスペンションアームＡＲは、インナシ
ャフト２２、アウタパイプ２６及びボールハウジング２
８の位置関係において実質的に同一であり、左右のサス
ペンションＳ，Ｓの特性に差異が出る虞はない。Moreover, in the left suspension arm AL and the right suspension arm AR having the above-mentioned structure, as is apparent from FIGS. 4 and 6, the inner shaft 22, the outer pipe 26, and the ball housing 28 have the first plate shape. It is arranged so as to be located on the center plane P extending between the member A1 and the second plate-shaped member A2. Therefore,
The left side suspension arm AL and the right side suspension arm AR, which are turned upside down, are provided with an inner shaft 22, an outer pipe 26, and a ball housing 2.
The positional relationship of 8 is substantially the same, and there is no possibility that the characteristics of the left and right suspensions S, S will differ.
【００３２】また、スタビライザー支持面１０1 ，１０
2 の近傍においてスタビライザー取付用逃げ孔１４1 ，
１４2 により第１板状部材Ａ１及び第２板状部材Ａ２の
干渉を防止しているので、図１５（Ａ），（Ｂ）を比較
すると明らかなように、左側サスペンションアームＡＬ
及び右側サスペンションアームＡＲの何れにおいても、
スタビライザー取付孔１３1 ，１３2 の位置を中心面Ｐ
上に位置させて左右のサスペンションＳ，Ｓの対称性を
維持することができる。Further, the stabilizer support surfaces 10 1 , 10
In the vicinity of 2 , stabilizer mounting clearance holes 14 1 ,
14 2 prevents the first plate-shaped member A1 and the second plate-shaped member A2 from interfering with each other. Therefore, as is clear from comparison between FIGS.
And in both the right side suspension arm AR,
The positions of the stabilizer mounting holes 13 1 and 13 2 are set on the center plane P.
It is possible to maintain the symmetry of the left and right suspensions S, S by being positioned above.
【００３３】以上、本発明の実施例を詳述したが、本発
明はその要旨を逸脱しない範囲で種々の設計変更を行う
ことが可能である。While the embodiments of the present invention have been described in detail above, various design changes can be made in the present invention without departing from the gist thereof.
【００３４】例えば、実施例では上下反転することによ
り左右のサスペンションアームＡＬ，ＡＲとして共用可
能なものを例示したが、請求項１に記載された発明は、
左右それぞれ別個のサスペンションアームに対しても適
用可能である。また、実施例では第１エッジ部１８1 ，
１８2 及び第２エッジ部１９1 ，１９2 を突き合わせて
溶接Ｗ1 ，Ｗ2 し、第３エッジ部２０1 ，２０2 を嵌合
させて溶接Ｗ3 しているが、第１エッジ部１８1 ，１８
2 及び第２エッジ部１９1 ，１９2 を嵌合させて溶接Ｗ
1 ，Ｗ2 し、第３エッジ部２０1 ，２０2 を突き合わせ
て溶接Ｗ3 することも可能である。また、実施例では当
接部ａ，ｂを２カ所設けているが、その数は１ヵ所又は
３ヵ所以上であっても良い。For example, in the embodiment, the left and right suspension arms AL and AR can be commonly used by being turned upside down. However, the invention described in claim 1 is as follows.
It is also applicable to the left and right separate suspension arms. In the embodiment, the first edge portion 18 1 ,
18 2 and the second edge portions 19 1 and 19 2 are butted and welded W 1 and W 2 , and the third edge portions 20 1 and 20 2 are fitted and welded W 3 , but the first edge portion 18 1 , 18
2 and the second edge portions 19 1 and 19 2 are fitted and welded together W
1, W 2, and it is also possible to third against the edge portion 20 1, 20 2 are welded W 3. Further, although the contact portions a and b are provided at two places in the embodiment, the number thereof may be one place or three or more places.
【００３５】[0035]
【発明の効果】以上のように、請求項１に記載された発
明によれば、相対向する周縁部のうち、一方の周縁部に
おいて両板状部材のエッジ部を上下に突き合わせて溶接
するとともに、他方の周縁部において両板状部材のエッ
ジ部を上下に嵌合させて溶接し、更に両板状部材が相互
に当接する当接部を設けて前記他方の周縁部のエッジ部
を上下方向に位置決めしたので、一方の周縁部のエッジ
部を上下に突き合わせて位置決めするとともに他方の周
縁部のエッジ部を両板状部材の当接部の当接により位置
決めすることが可能となり、特別の位置決め治具を用い
ることなく確実に溶接を行うことができる。また、他方
の周縁部において両板状部材のエッジ部が上下に嵌合し
て溶接されるため、この部分でサスペンションアームの
断面積を増加させて強度を高めることができる。As described above, according to the invention described in claim 1, the edge portions of both plate-like members are abutted and welded to each other at one of the opposite peripheral edge portions. , The edge portions of both plate-shaped members are vertically fitted to each other on the other peripheral edge portion and welded, and a contact portion where both plate-shaped members abut each other is provided to vertically move the edge portion of the other peripheral edge portion. Since it is possible to position the edge portions of one peripheral edge portion by abutting vertically, it is possible to position the edge portion of the other peripheral edge portion by abutting the abutting portions of both plate-shaped members. Welding can be performed reliably without using a jig. Further, since the edge portions of both plate-shaped members are vertically fitted and welded at the other peripheral edge portion, the cross-sectional area of the suspension arm can be increased at this portion to increase the strength.
【００３６】また請求項２に記載された発明によれば、
第１板状部材及び第２板状部材間に延びる中心面上に車
体取付部及びナックル取付部を位置させたので、第１板
状部材又は第２板状部材を上側にして左側サスペンショ
ンアーム又は右側サスペンションアームとして使用する
際に、必ず中心面上に車体取付部及びナックル取付部が
位置させて左右のサスペンションの対称性を維持するこ
とができる。According to the second aspect of the present invention,
Since the vehicle body mounting portion and the knuckle mounting portion are located on the center plane extending between the first plate member and the second plate member, the left suspension arm or the first plate member or the second plate member is placed on the upper side. When used as the right suspension arm, the vehicle body mounting portion and the knuckle mounting portion can be always positioned on the center plane to maintain the symmetry of the left and right suspensions.
【図１】車両の左前輪の正面図FIG. 1 is a front view of a front left wheel of a vehicle
【図２】左側サスペンションアームの上面図FIG. 2 is a top view of the left suspension arm.
【図３】左側サスペンションアームの下面図FIG. 3 is a bottom view of the left suspension arm.
【図４】図２の４−４線矢視図FIG. 4 is a view taken in the direction of arrows 4-4 in FIG. 2;
【図５】図４の要部拡大図FIG. 5 is an enlarged view of a main part of FIG. 4;
【図６】図２の６方向矢視図6 is a view in the direction of arrow 6 in FIG.
【図７】図６の要部拡大図FIG. 7 is an enlarged view of a main part of FIG. 6;
【図８】図２の８Ａ−８Ａ線、８Ｂ−８Ｂ線及び８Ｃ−
８Ｃ線断面図8 is a line 8A-8A, a line 8B-8B and a line 8C- in FIG.
8C line sectional view
【図９】図２の９Ｄ−９Ｄ線、９Ｅ−９Ｅ線及び９Ｆ−
９Ｆ線断面図9 is a line 9D-9D, a line 9E-9E and a line 9F- in FIG. 2;
9F line sectional view
【図１０】右側サスペンションアームの上面図FIG. 10 is a top view of the right suspension arm.
【図１１】右側サスペンションアームの下面図FIG. 11 is a bottom view of the right suspension arm.
【図１２】図１０の１２方向拡大矢視図FIG. 12 is an enlarged view in the 12 direction of FIG.
【図１３】図１０の１３方向拡大矢視図13 is an enlarged view from the direction of arrow 13 in FIG.
【図１４】左右のサスペンションアームの加工手順を説
明する図FIG. 14 is a diagram illustrating a processing procedure for the left and right suspension arms.
【図１５】スタビライザー取付部の加工手順を説明する
図FIG. 15 is a diagram illustrating a processing procedure of a stabilizer mounting portion.
１８1 ，１８2 エッジ部 １９1 ，１９2 エッジ部 ２０1 ，２０2 エッジ部 ２２ インナシャフト（車体取付部） ２６ アウタパイプ（車体取付部） ２８ ボールハウジング（ナックル取付部） Ａ１ 第１板状部材 Ａ２ 第２板状部材 ＡＬ 左側サスペンションアーム ＡＲ 右側サスペンションアーム Ｐ 中心面 Ｗ1 〜Ｗ3 溶接 ａ 当接部 ｂ 当接部18 1 , 18 2 Edge part 19 1 , 19 2 Edge part 20 1 , 20 2 Edge part 22 Inner shaft (Vehicle body mounting part) 26 Outer pipe (Vehicle body mounting part) 28 Ball housing (Knuckle mounting part) A1 First plate member A2 second plate member AL left suspension arm AR right suspension arm P center plane W 1 to W-3 welding a contact portion b abutting portion
Claims (2)
（Ａ２）を重ね合わせて周縁部で一体に溶接（Ｗ1 〜Ｗ
3 ）し、その基端側及び先端側にそれぞれ２ヵ所の車体
取付部（２２，２６）及び１ヵ所のナックル取付部（２
８）を設けてなる車両用サスペンションアームにおい
て、 相対向する周縁部のうち、一方の周縁部において前記両
板状部材（Ａ１，Ａ２）のエッジ部（１８1 ，１８2 ；
１９1 ，１９2 ）を上下に突き合わせて溶接（Ｗ1 ，Ｗ
2 ）するとともに、他方の周縁部において前記両板状部
材（Ａ１，Ａ２）のエッジ部（２０1 ，２０2 ）を上下
に嵌合させて溶接（Ｗ3 ）し、更に前記両板状部材（Ａ
１，Ａ２）が相互に当接する当接部（ａ，ｂ）を設けて
前記他方の周縁部のエッジ部（２０1 ，２０2 ）を上下
方向に位置決めしたことを特徴とする、車両用サスペン
ションアーム。1. A first plate-shaped member (A1) and a second plate-shaped member (A2) are overlapped with each other and integrally welded at the peripheral edge (W 1 to W).
3 ), and there are two vehicle body mounting parts (22, 26) and one knuckle mounting part (2) on the base end side and the tip end side, respectively.
In the vehicle suspension arm provided with 8), the edge portions (18 1 , 18 2 ) of the plate-shaped members (A 1, A 2) are provided at one of the opposing peripheral edge portions.
19 1 and 19 2 ) are butted up and down and welded (W 1 , W
2 ) and, at the other peripheral edge, the edge portions (20 1 , 20 2 ) of the plate-shaped members (A1, A2) are fitted vertically and welded (W 3 ). (A
1, A2) are provided with abutting portions (a, b) for abutting each other, and the edge portions (20 1 , 20 2 ) of the other peripheral edge portion are vertically positioned. arm.
部材（Ａ２）間に延びる中心面（Ｐ）上に前記車体取付
部（２２，２６）及びナックル取付部（２８）を位置さ
せることにより、第１板状部材（Ａ１）又は第２板状部
材（Ａ２）を上側にして左側サスペンションアーム（Ａ
Ｌ）又は右側サスペンションアーム（ＡＲ）として使用
可能としたことを特徴とする、請求項１記載の車両用サ
スペンションアーム。2. The vehicle body mounting portions (22, 26) and the knuckle mounting portion (28) are located on a center plane (P) extending between the first plate-shaped member (A1) and the second plate-shaped member (A2). By positioning the first suspension member (A1) or the second suspension member (A2) on the upper side, the left suspension arm (A) is moved.
L) or the right suspension arm (AR), the suspension arm for vehicles according to claim 1, characterized in that it can be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16885095A JPH0920115A (en) | 1995-07-04 | 1995-07-04 | Suspension arm for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16885095A JPH0920115A (en) | 1995-07-04 | 1995-07-04 | Suspension arm for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0920115A true JPH0920115A (en) | 1997-01-21 |
Family
ID=15875710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16885095A Pending JPH0920115A (en) | 1995-07-04 | 1995-07-04 | Suspension arm for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0920115A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010004899A1 (en) | 2008-07-10 | 2010-01-14 | 本田技研工業株式会社 | Suspension arm for vehicle |
| WO2016055704A1 (en) * | 2014-10-08 | 2016-04-14 | Peugeot Citroen Automobiles Sa | Motor vehicle suspension arm |
-
1995
- 1995-07-04 JP JP16885095A patent/JPH0920115A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010004899A1 (en) | 2008-07-10 | 2010-01-14 | 本田技研工業株式会社 | Suspension arm for vehicle |
| US8251386B2 (en) | 2008-07-10 | 2012-08-28 | Honda Motor Co., Ltd. | Suspension arm for vehicle |
| EP2529959A2 (en) | 2008-07-10 | 2012-12-05 | Honda Motor Co., Ltd. | Suspension arm for vehicle |
| WO2016055704A1 (en) * | 2014-10-08 | 2016-04-14 | Peugeot Citroen Automobiles Sa | Motor vehicle suspension arm |
| FR3026991A1 (en) * | 2014-10-08 | 2016-04-15 | Peugeot Citroen Automobiles Sa | SUSPENSION ARM OF MOTOR VEHICLE |
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