JP2003002025A - Suspension arm structure - Google Patents
Suspension arm structureInfo
- Publication number
- JP2003002025A JP2003002025A JP2001188976A JP2001188976A JP2003002025A JP 2003002025 A JP2003002025 A JP 2003002025A JP 2001188976 A JP2001188976 A JP 2001188976A JP 2001188976 A JP2001188976 A JP 2001188976A JP 2003002025 A JP2003002025 A JP 2003002025A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- suspension arm
- plate member
- arm
- arm structure
- 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
- 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
- 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
- B60G2206/122—Constructional features of arms the arm having L-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
- B60G2206/124—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
- B60G2206/10—Constructional features of arms
- B60G2206/16—Constructional features of arms the arm having a U profile and/or made of a plate
- B60G2206/162—Constructional features of arms the arm having a U profile and/or made of a plate with a plate closing the profile in the total or partial length of the arm
-
- 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
-
- 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
- B60G2206/8208—Joining by hemming or seaming, e.g. by folding of the rim
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、限られたスペース
の中で剛性を向上するために有効となる自動車の板金製
のサスペンションアーム構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension arm structure made of sheet metal for an automobile, which is effective for improving rigidity in a limited space.
【0002】[0002]
【従来の技術】図6は、タイヤ1のホイール2と車体側
3とを懸架するサスペンション部4を示す。サスペンシ
ョン部4には、ホイール2の動きをコントロールする働
きを果たすサスペンションアーム5が設けられている。
サスペンションアーム5には、鋼板をプレス加工したも
のや、鋳造品があるが専らプレス加工したものが多く用
いられている。図7は、プレス成形により形成したサス
ペンションアーム5の拡大図である。このサスペンショ
ンアーム5は、ボールジョイント取付部6と、パイプと
環状部材からなるゴムブッシュ取付部7,8がアーム本
体9に溶接で固定され、サスペンションアーム5の一端
側に設けられているボールジョイント取付部6が、ボー
ルジョイントの取付孔10及びボールジョイント11を
介し、ホイール2側に取付けられたナックル12に固定
される。サスペンションアーム5の他端側に設けられて
いる2箇所のブッシュ取付部7,8は、それぞれゴムブ
ッシュを介して車体側3に取付けられる。2. Description of the Related Art FIG. 6 shows a suspension portion 4 for suspending a wheel 2 of a tire 1 and a vehicle body side 3. The suspension portion 4 is provided with a suspension arm 5 that functions to control the movement of the wheel 2.
As the suspension arm 5, there are a pressed steel plate and a cast product, but the pressed one is mainly used. FIG. 7 is an enlarged view of the suspension arm 5 formed by press molding. In this suspension arm 5, a ball joint mounting portion 6 and rubber bush mounting portions 7 and 8 made of a pipe and an annular member are fixed to an arm body 9 by welding, and a ball joint mounting portion provided on one end side of the suspension arm 5. The portion 6 is fixed to the knuckle 12 mounted on the wheel 2 side via the ball joint mounting hole 10 and the ball joint 11. Two bush attachment portions 7 and 8 provided on the other end side of the suspension arm 5 are attached to the vehicle body side 3 via rubber bushes, respectively.
【0003】図7のサスペンションアーム5は、1枚の
板をプレス若しくは板金成形したものであり、サスペン
ションアーム5の剛性を確保するために、従来では種々
の方法が開示されている。例えば、図8のAに示すよう
に、アーム本体9のボールジョイント取付部6(図7参
照)側の断面に示すように、断面が実質的にコ字(若し
くはU字)形状であり、その両端部13がアーム本体の
外側に向けて横方向に延長し、フランジ部14を形成し
て剛性を大きくしたものがある。また、特開平8−31
8722号公報に開示されたサスペンションアーム5に
よれば、図8のBに示すように、コ字断面のサスペンシ
ョンアーム5の両端部13を内側上方に折り曲げ、折曲
部15を形成して剛性を大きくしている。The suspension arm 5 shown in FIG. 7 is formed by pressing or sheet-forming a single plate, and various methods have been conventionally disclosed to ensure the rigidity of the suspension arm 5. For example, as shown in A of FIG. 8, as shown in a cross section of the arm body 9 on the side of the ball joint attachment portion 6 (see FIG. 7), the cross section is substantially a U-shape (or U-shape). There is one in which both end portions 13 extend laterally toward the outside of the arm body to form flange portions 14 to increase rigidity. In addition, JP-A-8-31
According to the suspension arm 5 disclosed in Japanese Patent No. 8722, as shown in FIG. 8B, both ends 13 of the suspension arm 5 having a U-shaped cross section are bent upward inward to form a bent portion 15 to improve rigidity. Making it big.
【0004】図8のCに示す特開平11−264624
号公報に開示されたサスペンションアーム5は、両端部
13がサスペンションアーム5の下方内側に巻き込んだ
巻込み部16を形成し、剛性を大きくしている。図9は
他のサスペンションアーム5を示し、図10はそのサス
ペンションアーム5のボールジョイント取付部6側の断
面図である。プレス成形若しくは板金成形したアーム本
体9の下側裏面に補強板としてのサブプレート17を取
付け、アーム本体9とサブプレート17の両端部13,
18を重ね合わせることにより閉断面19を形成し、各
々の両端部13,18を溶接aすることにより、剛性を
大きくしている(特開平8−197922号、特開平9
−169204号参照)。Japanese Unexamined Patent Publication No. 11-264624 shown in FIG. 8C.
In the suspension arm 5 disclosed in the publication, both ends 13 form a winding part 16 wound inside the suspension arm 5 to increase rigidity. FIG. 9 shows another suspension arm 5, and FIG. 10 is a sectional view of the suspension arm 5 on the side of the ball joint mounting portion 6. A sub-plate 17 as a reinforcing plate is attached to the lower back surface of the arm body 9 that is press-molded or sheet-metal molded, and both ends 13 of the arm body 9 and the sub-plate 17,
A closed cross section 19 is formed by superimposing 18 on each other, and both ends 13, 18 are welded a to increase rigidity (Japanese Patent Laid-Open Nos. 8-197922 and 9-92222).
-169204).
【0005】[0005]
【発明が解決しようとする課題】図7に示すような1枚
の板で成形したサスペンションアームは、部品点数は少
ないが、開断面であることからねじり剛性を向上させる
構造としては不向きである。また、図9に示すように、
2枚以上の板を用いて成形したサスペンションアーム
は、閉断面であることから比較的小さいスペースでねじ
り剛性を大きくすることは可能であるが、溶接を施して
いることから、溶接工程が増えてコストや品質面で不利
がある。The suspension arm formed of a single plate as shown in FIG. 7 has a small number of parts, but has an open cross section and is not suitable as a structure for improving torsional rigidity. Also, as shown in FIG.
Since the suspension arm formed by using two or more plates has a closed cross section, it is possible to increase torsional rigidity in a relatively small space, but since welding is performed, the number of welding processes increases. There are disadvantages in terms of cost and quality.
【0006】本発明は上記課題に鑑みてなされたもの
で、2枚以上の板を接合してサスペンションアームを作
製するのに、剛性が大きくコストがかからないサスペン
ションアーム構造を提供することを目的とする。The present invention has been made in view of the above problems, and an object of the present invention is to provide a suspension arm structure which is rigid and does not cost much to manufacture a suspension arm by joining two or more plates. .
【0007】[0007]
【課題を解決するための手段】上記目的を達成するため
に本発明は、自動車のホイール側とボディ側を懸架し、
板材を成形加工することにより作製されるサスペンショ
ンアーム構造において、一方の板材と一以上からなる他
方の板材とを有し、これら一方の板材と他方の板材に形
成された各々の端部を互いに重合わせることにより、一
方の板材と他方の板材との間に閉断面を形成し、これら
板材の端部を互いに重合わせたまま折曲げてかしめ加工
している。また、上記発明は、上記一方の板材の端部よ
りも他方の板材の端部を外側に延長し、一方の板材の端
部側を内側にして折曲げることによってかしめ加工して
いる。さらに、上記発明は、上記一方の板材の断面形状
がコ字形状であり、該コ字形断面の両端部を外側に向け
て上記一方の端部をフランジ状に形成するとともに、上
記他方の板材を平板形状に形成して、これら板材の端部
を重合わせてかしめ加工した。またさらに、上記一方の
板材の下側に上記他方の板材を重ね合わせ、これら板材
の端部を下向きにかつ内側に折曲げてかしめ加工してい
る。In order to achieve the above object, the present invention is to suspend a wheel side and a body side of an automobile,
In a suspension arm structure manufactured by forming a plate member, the plate member has one plate member and the other plate member made of one or more members, and the end portions formed on the one plate member and the other plate member are overlapped with each other. By combining them, a closed cross section is formed between one plate member and the other plate member, and the end portions of these plate members are bent and crimped while overlapping each other. Further, in the above invention, the caulking process is performed by extending the end portion of the other plate material outward from the end portion of the one plate material and bending the end portion side of the one plate material inside. Further, in the above invention, the cross-sectional shape of the one plate member is a U-shape, and both ends of the U-shaped cross section are outwardly formed to form a flange shape, and the other plate member is formed. It was formed into a flat plate shape, and the ends of these plate materials were overlapped and caulked. Further, the other plate member is superposed on the lower side of the one plate member, and the end portions of these plate members are bent downward and inwardly to perform caulking.
【0008】[0008]
【発明の実施の形態】以下、本発明の第1の実施の形態
によるサスペンションアーム構造について、図面を参照
しながら説明する。なお、従来の技術と同様な部分につ
いては、同一の符号を付し、説明を省略した部分につい
ては従来と同一構造とする図1は、本発明に係るA型の
サスペンションアーム5の斜視図であり、図2は、その
完成前の分解斜視図である。このサスペンションアーム
5は、三俣に各方向に分かれた形状のアーム本体9と、
この裏側に配設されるサブプレート17と、その各三俣
形状の先端部に取付けられるボールジョイント取付部6
とゴムブッシュ取付部7,8とから構成されている。BEST MODE FOR CARRYING OUT THE INVENTION A suspension arm structure according to a first embodiment of the present invention will be described below with reference to the drawings. It should be noted that parts similar to those of the conventional technique are designated by the same reference numerals, and parts of which description is omitted have the same structure as the conventional structure. FIG. 1 is a perspective view of an A-type suspension arm 5 according to the present invention. Yes, FIG. 2 is an exploded perspective view before the completion. The suspension arm 5 includes an arm body 9 that is divided into three directions in each direction
The sub-plate 17 disposed on the back side of the sub-plate 17 and the ball-joint mounting portion 6 mounted on the tip end of each of the three-fold shape
And rubber bush mounting portions 7 and 8.
【0009】アーム本体9は、1枚の平板をプレス成形
や板金成形などによって形成し、上面20と、取付部
6,7,8の各相互間に設けられている側壁21を有
し、三俣形状の各先端部側でコ字形断面を呈している。
サスペンションアーム5は、図2に示すように、サブプ
レート17の組付前は側壁21の下縁部から外側へ延び
るフランジ部14が取付部6,7,8の各相互間に形成
されている。平板状のサブプレート17は、アーム本体
9の側壁21の下縁部にほぼ沿った形状であるプレート
本体22が設けられ、サブプレート17がアーム本体9
に重ね合わされたときには、アーム本体9に形成された
フランジ部14に対応する位置の各々にフランジ部23
が形成されている。The arm body 9 is formed by press molding or sheet metal molding of one flat plate, and has an upper surface 20 and a side wall 21 provided between the mounting portions 6, 7, and 8, and is a three-dimensional shape. Each tip of the shape has a U-shaped cross section.
As shown in FIG. 2, the suspension arm 5 has a flange portion 14 extending outward from the lower edge portion of the side wall 21 between the mounting portions 6, 7, and 8 before the sub-plate 17 is assembled. . The flat plate-shaped sub-plate 17 is provided with a plate main body 22 having a shape substantially along the lower edge of the side wall 21 of the arm main body 9.
When they are overlapped with each other, the flange portion 23 is provided at each of the positions corresponding to the flange portion 14 formed on the arm body 9.
Are formed.
【0010】サスペンションアーム5は、上側のアーム
本体9と下側のサブプレート17とが重ね合わされたと
きには、それらのフランジ部14,23が重ね合って当
接し、それらの中間部に閉断面が形成される。アーム本
体9とサブプレート17とを組み付けるには、フランジ
部23が外側になるようにして、上方内側にフランジ部
14,23を渦巻き状に折り曲げていき、図3のAに示
すように、外側のフランジ部23の先端がアーム本体9
の側壁21の側面に接するまで折り曲げて、アーム本体
9とサブプレート17とを接合している。このかしめ加
工は、サスペンションアーム5の取付部6,7,8の各
相互間の3箇所ある側壁21の下縁部に沿って施されて
いる。なお、フランジ部14,23については、図3の
Bに示すように、円曲線状に巻き込むようにかしめ加工
してもよい。このように、本実施形態では、アーム本体
9とサブプレート17とを接合するために溶接を用いな
いので、製作コストの軽減を図ることができる。また、
サスペンションアーム5の各取付部6,7,8の相互間
で渦巻き状にかしめ加工していることから、ねじり剛性
が大きくなる。In the suspension arm 5, when the upper arm body 9 and the lower sub plate 17 are superposed on each other, their flange portions 14 and 23 are superposed and abutted, and a closed cross section is formed at an intermediate portion thereof. To be done. To assemble the arm body 9 and the sub-plate 17, the flange portions 23 and 23 are outwardly bent, and the flange portions 14 and 23 are spirally bent upward and inward, and as shown in A of FIG. The tip of the flange portion 23 of the arm body 9
The arm body 9 and the sub-plate 17 are joined by bending until they come into contact with the side surface of the side wall 21. This caulking process is performed along the lower edge of the side wall 21 which is located at three places between the mounting portions 6, 7, and 8 of the suspension arm 5. The flange portions 14 and 23 may be caulked so as to be wound into a circular curve as shown in FIG. 3B. As described above, in the present embodiment, since welding is not used to join the arm body 9 and the sub plate 17, the manufacturing cost can be reduced. Also,
Since the mounting portions 6, 7 and 8 of the suspension arm 5 are swaged and swaged, the torsional rigidity is increased.
【0011】図4は、本発明の第2の実施の形態による
サスペンションアーム構造であり、図1のC−C線方向
における断面に相当する部分のみを示している。サスペ
ンションアーム5のアーム本体9は、上記第1の実施の
形態と同じ形状であり、サブプレート17はプレート本
体22の部分については、上記実施の形態と同じ形状で
ある。図4のAに示すように、サブプレート17は、そ
の端部18に設けているフランジ部23が、アーム本体
9のフランジ部14よりも外側に突出するように延長さ
れている。そして、図4のBに示すように、アーム本体
9のフランジ部14が内側になるように、両フランジ部
14,23を上側内方に、ほぼ四角(若しくは多角)断
面形状になるように角形に折り曲げている。なお、フラ
ンジ部14,23については、図4のCに示すように、
円曲線状に巻き込むようにかしめ加工してもよい。この
ように、本実施形態では、アーム本体9とサブプレート
17とを接合するために溶接を用いないので、製作コス
トの軽減を図ることができる。また、サスペンションア
ーム5の取付部6,7,8(図1参照)の各相互間でか
しめ加工していることから、ねじり剛性が大きくなる。FIG. 4 shows a suspension arm structure according to a second embodiment of the present invention, and shows only a portion corresponding to a cross section taken along the line CC of FIG. The arm body 9 of the suspension arm 5 has the same shape as that of the first embodiment, and the sub-plate 17 has the same shape as that of the above embodiment with respect to the plate body 22. As shown in FIG. 4A, the sub-plate 17 is extended so that the flange portion 23 provided at the end portion 18 thereof projects outward from the flange portion 14 of the arm body 9. Then, as shown in FIG. 4B, the flange portions 14 and 23 of the arm body 9 are inwardly squared so that the flange portions 14 and 23 are inwardly upward and substantially square (or polygonal) in cross section. It is bent into. Regarding the flange portions 14 and 23, as shown in C of FIG.
You may caulk so that it may be rolled into a circular curve. As described above, in the present embodiment, since welding is not used to join the arm body 9 and the sub plate 17, the manufacturing cost can be reduced. Further, since the mounting portions 6, 7, 8 (see FIG. 1) of the suspension arm 5 are caulked together, the torsional rigidity is increased.
【0012】図5は、本発明の第3の実施の形態による
サスペンションアーム構造であり、図1のC−C線方向
における断面に相当する部分のみを示している。サスペ
ンションアーム5のアーム本体9及びプレート本体22
は共に端部13,18にフランジ部を設けることなく、
かつ共に断面がコ字形状である。プレート本体22の外
幅はアーム本体9の内幅に対応させて形成し、アーム本
体9の内側にプレート本体22を嵌合するように、それ
らの両端部13,18の先端部を揃えながら重ね合わせ
ている。そして、図5のBに示すように、それらの両端
部13,18のうちアーム本体9の両端部13が外側に
なるように、かつ、側壁21よりも内側になるように内
方側に折り曲げている。なお、両端部13,18につい
ては、図4のCに示すように、円曲線状に巻き込むよう
にかしめ加工してもよい。このように、本実施形態で
は、かしめ加工した部分を内方側に設けるようにしたの
で、サスペンションアーム5の幅が大きくならないメリ
ットがある。その他の効果については、上記実施の形態
と同じである。FIG. 5 shows a suspension arm structure according to a third embodiment of the present invention, and shows only a portion corresponding to a cross section taken along the line CC of FIG. The arm body 9 and the plate body 22 of the suspension arm 5
Both have no flanges on the ends 13 and 18,
In addition, both are U-shaped in cross section. The outer width of the plate main body 22 is formed so as to correspond to the inner width of the arm main body 9, and the both ends 13, 18 of the plate main body 22 are overlapped with each other so that the plate main body 22 fits inside the arm main body 9. It is matched. Then, as shown in FIG. 5B, the end portions 13 of the arm body 9 among the both end portions 13 and 18 are bent inward so that both end portions 13 are on the outer side and are inside the side wall 21. ing. The both end portions 13 and 18 may be caulked so as to be wound in a circular curve as shown in C of FIG. As described above, in the present embodiment, since the swaged portion is provided on the inner side, there is an advantage that the width of the suspension arm 5 does not increase. Other effects are the same as those in the above embodiment.
【0013】以上、本発明の各実施の形態について説明
したが、勿論、本発明はこれに限定されることなく本発
明の技術的思想に基いて種々の変形及び変更が可能であ
り、これらの実施の形態に記載されている構成部品の寸
法、形状、その相対的配置等は、特に特定的な記載がな
い限りは、この発明の範囲をそれに限定する趣旨ではな
い。例えば、サスペンションアームについては、閉じ断
面を有するものであるならば、A型、I型その他の形状
について適用が可能である。Although the respective embodiments of the present invention have been described above, of course, the present invention is not limited to these, and various modifications and changes can be made based on the technical idea of the present invention. Unless otherwise specified, the dimensions, shapes, relative arrangements, and the like of the components described in the embodiments are not intended to limit the scope of the present invention thereto. For example, as for the suspension arm, as long as it has a closed cross section, it can be applied to A type, I type and other shapes.
【0014】[0014]
【発明の効果】以上述べたように、本発明によれば、自
動車のホイール側とボディ側を懸架し、板材を成形加工
することにより作製されるサスペンションアーム構造に
おいて、一方の板材と一以上からなる他方の板材とを有
し、これら一方の板材と他方の板材に形成された各々の
端部を互いに重合わせることにより、一方の板材と他方
の板材との間に閉断面を形成し、これら板材の端部を互
いに重合わせたまま折曲げてかしめ加工したので、溶接
なしでサスペンションアーム全体に閉断面を形成するこ
とができるようになった。また、上記発明は、上記一方
の板材の端部よりも他方の板材の端部を外側に延長し、
一方の板材の端部側を内側にして折曲げることによって
かしめ加工すると、外側に位置する板材と内側に位置す
る板材の曲率半径の相違から生じる先端部のずれを少な
くするとともに、結合剛性をより向上させることができ
る。さらに、上記発明は、上記一方の板材の断面形状が
コ字形状であり、該コ字形断面の両端部を外側に向けて
上記一方の端部をフランジ状に形成するとともに、上記
他方の板材を平板形状に形成して、これら板材の端部を
重合わせてかしめ加工すると、他方の板材がほぼ平板形
状であるので、加工が容易になる。またさらに、上記発
明は、上記一方の板材の下側に上記他方の板材を重ね合
わせ、これら板材の端部を下向きにかつ内側に折曲げて
かしめ加工すると、かしめ部がサスペンションアームよ
りも外側(幅方向)に突き出ることがなく、コンパクト
なサスペンションアーム構造となる。As described above, according to the present invention, in a suspension arm structure produced by suspending the wheel side and the body side of an automobile and forming a plate material, one plate material and one or more plate materials are formed. The other plate member is formed, and by overlapping the ends formed on the one plate member and the other plate member with each other, a closed cross section is formed between the one plate member and the other plate member. Since the end portions of the plate materials are bent and crimped while being overlapped with each other, it is possible to form a closed cross section in the entire suspension arm without welding. Further, the above invention, the end portion of the other plate member is extended outward from the end portion of the one plate member,
When the caulking process is performed by bending one plate member with the end side inward, the deviation of the tip end caused by the difference in the radius of curvature between the plate member positioned on the outside and the plate member positioned on the inner side is reduced, and the joint rigidity is further improved. Can be improved. Furthermore, in the above invention, the cross-sectional shape of the one plate member is a U-shape, and both ends of the U-shaped cross section are directed outward, and the one end is formed into a flange shape. When the plate members are formed in a flat plate shape and the end portions of these plate members are overlapped and caulked, the other plate member has a substantially flat plate shape, which facilitates the processing. Still further, in the above invention, when the other plate member is superposed on the lower side of the one plate member and the end portions of these plate members are bent downward and inward, the caulking portion is outside the suspension arm ( A compact suspension arm structure that does not protrude in the width direction).
【図1】本発明の第1の実施の形態によるサスペンショ
ンアーム構造を採用しているサスペンションアームの斜
視図である。FIG. 1 is a perspective view of a suspension arm adopting a suspension arm structure according to a first embodiment of the present invention.
【図2】図1のサスペンションアームの分解斜視図であ
る。FIG. 2 is an exploded perspective view of the suspension arm shown in FIG.
【図3】Aは、サスペンションアームのアーム本体とサ
ブプレートの両フランジ部を角状に折り曲げた図1にお
けるC−C線方向の断面図である。Bは、両フランジ部
を円形に折り曲げた図1におけるC−C線方向の断面図
である。FIG. 3A is a cross-sectional view taken along line CC in FIG. 1 in which both the arm main body of the suspension arm and both flange portions of the sub-plate are bent into a square shape. 2B is a sectional view taken along the line CC in FIG. 1 in which both flange portions are bent in a circle.
【図4】Aは、本発明の第2の実施の形態であり、アー
ム本体のフランジ部よりもサブプレートのフランジ部を
外側に延長している状態を示す断面図である。Bは、A
に示す両本体のフランジ部を四角形状に折り曲げた状態
を示す断面図である。Cは、Aに示す両本体のフランジ
部を円形状に折り曲げた状態を示す断面図である。FIG. 4A is a second embodiment of the present invention and is a cross-sectional view showing a state in which the flange portion of the sub-plate is extended outward from the flange portion of the arm body. B is A
FIG. 3 is a cross-sectional view showing a state in which the flange portions of both main bodies shown in FIG. C is a cross-sectional view showing a state in which the flange portions of both main bodies shown in A are bent into a circular shape.
【図5】Aは、本発明の第3の実施の形態であり、アー
ム本体のフランジ部よりもサブプレートのフランジ部を
外側に延長している状態を示す断面図である。Bは、A
に示す両本体のフランジ部を円形状に折り曲げた状態を
示す断面図である。Cは、Aに示す両本体のフランジ部
を円形状に折り曲げた状態を示す断面図である。FIG. 5A is a sectional view showing a third embodiment of the present invention and showing a state in which the flange portion of the sub-plate is extended outward from the flange portion of the arm body. B is A
FIG. 4 is a cross-sectional view showing a state where the flange portions of both main bodies shown in FIG. C is a cross-sectional view showing a state in which the flange portions of both main bodies shown in A are bent into a circular shape.
【図6】自動車のサスペンション部の位置を示すための
断面図である。FIG. 6 is a cross-sectional view showing a position of a suspension portion of an automobile.
【図7】1枚のアーム本体を用いて成形したサスペンシ
ョンアームの斜視図である。FIG. 7 is a perspective view of a suspension arm formed by using one arm main body.
【図8】Aは従来のサスペンションアームの補強のた
め、その端部にフランジ部を形成したアーム本体の図7
におけるA−A線方向の断面図であり、Bは端部を内側
に折曲げ形成したサブプレートの断面図であり、Cは端
部を円形に形成したアーム本体の断面図である。FIG. 8A is a view of an arm body in which a flange portion is formed at an end portion thereof for reinforcing a conventional suspension arm.
2B is a cross-sectional view taken along the line AA in FIG. 3, B is a cross-sectional view of a sub-plate whose end is bent inward, and C is a cross-sectional view of an arm main body having a circular end.
【図9】アーム本体とサブプレートの複数の板により形
成された従来のサスペンションアームの斜視図である。FIG. 9 is a perspective view of a conventional suspension arm formed by a plurality of plates of an arm body and a sub plate.
【図10】図9のB−B線方向における断面図である。10 is a cross-sectional view taken along the line BB of FIG.
5 サスペンションアーム 9 アーム本体 13,18 端部 14,23 フランジ部 17 サブプレート 19 閉断面 21 側壁 22 プレート本体 5 suspension arms 9 arm body 13,18 Edge 14,23 Flange 17 sub plate 19 closed section 21 Side wall 22 Plate body
Claims (4)
し、板材を成形加工することにより作製されるサスペン
ションアーム構造において、一方の板材と一以上からな
る他方の板材とを有し、これら一方の板材と他方の板材
に形成された各々の端部を互いに重合わせることによ
り、一方の板材と他方の板材との間に閉断面を形成し、
これら板材の端部を互いに重合わせたまま折曲げてかし
め加工したことを特徴とするサスペンションアーム構
造。1. A suspension arm structure produced by suspending a wheel side and a body side of an automobile and forming a plate material, the suspension arm structure having one plate material and another plate material composed of one or more plates, and By overlapping the respective end portions formed on the plate material and the other plate material with each other, a closed cross section is formed between the one plate material and the other plate material,
Suspension arm structure characterized by bending and crimping the ends of these plates while overlapping each other.
の端部を外側に延長し、一方の板材の端部側を内側にし
て折曲げることによってかしめ加工したことを特徴とす
る請求項1に記載のサスペンションアーム構造。2. The caulking process is performed by extending an end portion of the other plate member outward from an end portion of the one plate member and bending the end portion side of the one plate member inside so as to be bent. The suspension arm structure according to Item 1.
あり、該コ字形断面の両端部を外側に向けて上記一方の
端部をフランジ状に形成するとともに、上記他方の板材
を平板形状に形成して、これら板材の端部を重合わせて
かしめ加工したことを特徴とする請求項1または2に記
載のサスペンションアーム構造。3. The one plate member has a U-shaped cross-section, and both ends of the U-shaped cross section are outwardly oriented to form a flange shape and the other plate member is a flat plate. The suspension arm structure according to claim 1 or 2, wherein the suspension arm structure is formed in a shape, and ends of these plate members are overlapped and caulked.
を重ね合わせ、これら板材の端部を下向きにかつ内側に
折曲げてかしめ加工したことを特徴とする請求項3に記
載のサスペンションアーム構造。4. The suspension according to claim 3, wherein the other plate member is superposed on the lower side of the one plate member, and the end portions of these plate members are bent downward and inward and caulked. Arm structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001188976A JP2003002025A (en) | 2001-06-22 | 2001-06-22 | Suspension arm structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001188976A JP2003002025A (en) | 2001-06-22 | 2001-06-22 | Suspension arm structure |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2003002025A true JP2003002025A (en) | 2003-01-08 |
Family
ID=19027970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001188976A Pending JP2003002025A (en) | 2001-06-22 | 2001-06-22 | Suspension arm structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2003002025A (en) |
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