JP3134730B2

JP3134730B2 - knuckle

Info

Publication number: JP3134730B2
Application number: JP07246392A
Authority: JP
Inventors: 和男福山
Original assignee: Mitsubishi Motors Corp
Current assignee: Mitsubishi Motors Corp
Priority date: 1995-09-25
Filing date: 1995-09-25
Publication date: 2001-02-13
Anticipated expiration: 2015-09-25
Also published as: JPH0986126A

Description

DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、車輪を回転自在に
支持するナックルに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a knuckle for rotatably supporting wheels.

【０００２】[0002]

【従来の技術】図８に示すように車輪を回転自在に支持
する車輪支持部材１は、ナックル２に支持され、当該ナ
ックル２は、上部２ａがストラット３に固定され、下部
２ｂがサスペンションアームを構成するロアアーム４、
５に支持され、下端２ｃが前記サスペンションアームを
構成するトレーリングアーム６に支持されている。ロア
アーム４、５は、通しボルト７により下部２ｂに取り付
けられている。そして、ナックル２は、鋳造品、或いは
鍛造品とされている。これは、鋳造、鍛造ナックルは、
形状に自由度があり、肉厚を自由に設定することができ
るために剛性の確保が容易である等の理由による。2. Description of the Related Art As shown in FIG. 8, a wheel supporting member 1 for rotatably supporting a wheel is supported by a knuckle 2. The knuckle 2 has an upper portion 2a fixed to a strut 3 and a lower portion 2b serves as a suspension arm. The lower arm 4, which comprises
5 and a lower end 2c is supported by a trailing arm 6 constituting the suspension arm. The lower arms 4 and 5 are attached to the lower portion 2b by through bolts 7. The knuckle 2 is a cast product or a forged product. This is a casting, forged knuckle,
This is because there is a degree of freedom in the shape and the thickness can be freely set, so that it is easy to secure rigidity.

【０００３】[0003]

【発明が解決しようとする課題】しかしながら、鋳造
品、或いは鍛造品は、内部を空洞化するいわゆる中抜き
をすることが困難なために重量が重くなると共に、コス
トも割高となるという問題がある。本発明は、上述の点
に鑑みてなされたもので、ナックルを板金化し、且つパ
イプ部材を有効に活用することにより軽量、且つ低コス
トなナックルを提供することを目的とする。However, castings or forgings have a problem that the weight is heavy and the cost is high because it is difficult to hollow out the inside of the casting or forging. . The present invention has been made in view of the above points, and has as its object to provide a lightweight and low-cost knuckle by forming a knuckle into a sheet metal and effectively using a pipe member.

【０００４】[0004]

【課題を解決するための手段】上記目的を達成するため
に本発明によれば、車輪を回転自在に支持する車輪支持
部材を支持し、連結手段により車体に支持されるナック
ルにおいて、前記ナックルは、車体内向きに開口し、且
つ第１辺と当該第１辺の両端から延びた第２辺からなり
略コの字型断面を有した板金部材であって、前記第１辺
の中間部を開口側に凸条に形成して前記両第２辺に連続
した一対の第１部と当該第１部に接続され前記第２辺に
対向するように形成された一対の第２部と両端が当該第
２部に連なり前記第１部に略並行した第３部とにし、前
記第２辺と第２部とに夫々貫通孔が形成され、前記貫通
孔間にパイプ部材が設けられた構成としたものである。According to the present invention, there is provided a knuckle which supports a wheel supporting member for rotatably supporting a wheel and is supported on a vehicle body by a connecting means. opens into the body inward, a and a sheet metal member having a shaped cross section of substantially consists second side co extending from both ends of the first side and the first side, the first side
Is formed on the opening side as a ridge on the opening side and is continuous with the second sides.
A pair of first parts and the second side connected to the first part.
A pair of second portions formed to face each other and both ends
The second part is a third part that is substantially parallel to the first part.
The through holes are formed in the second side and the second portion, respectively.
The pipe member is provided between the holes .

【０００５】請求項２では、前記貫通孔は、バーリング
加工により形成され、前記パイプ部材は、前記貫通孔に
圧入された構成としたものである。 According to a second aspect of the present invention, the through hole is formed by burring, and the pipe member is press-fitted into the through hole .

【０００６】請求項３では、前記両第２部の一部は湾曲
されて互いに当接され、当該当接部に孔が形成された構
成としたものである。請求項４では、前記貫通孔の第１
は上部に設けられストラットを装着し、前記車輪支持部
材を中心として第１貫通孔と反対側に前記第２辺のそれ
ぞれを前記第２辺に連続した第１部と当該第１部に接続
され前記第２辺に対向するように形成された第２部と当
該第２部に連なり前記第１部に略平行な第３部とにし、
前記貫通孔の第２は、前記第２辺と第２部とに形成し、
前記パイプ部材の第２は、前記第２貫通孔間に設けら
れ、前記車輪支持部材を中心として第１貫通孔と反対側
の前記両第２辺の一部は湾曲されて互いに当接され、当
該当接部に孔が形成され、前記第２パイプ部材と前記孔
にはサスペンションアームが装着される構成としたもの
である。According to a third aspect of the present invention, the two second portions are partially curved and abut against each other, and a hole is formed in the abutting portion. According to claim 4 , the first of the through holes is provided.
Is attached to a strut provided on an upper portion, and connected to the first portion and the first portion, each of the second sides being continuous with the second side, on a side opposite to the first through hole around the wheel support member. A second part formed to face the second side and a third part connected to the second part and substantially parallel to the first part;
The second of the through hole is formed in the second side and the second portion,
The second of the pipe members is provided between the second through holes, and a part of the second sides on the opposite side of the first through hole from the wheel support member is curved and abuts each other, A hole is formed in the contact portion, and a suspension arm is mounted on the second pipe member and the hole.

【０００７】略コの字型断面形状を有する板金製のナッ
クルは、開口する側を車体内側に臨んで配置され、両第
２辺間に車輪支持部材の上方に貫通固着されたパイプ部
材がストラットに装着支持され、車輪支持部材の下方に
配設されたパイプ部材がサスペンションアームに連結さ
れて車体に支持される。A knuckle made of sheet metal having a substantially U-shaped cross-section is disposed with the opening side facing the inside of the vehicle body, and a strut is formed by a strut between two second sides and fixed above the wheel supporting member. The pipe member disposed below the wheel support member is connected to the suspension arm and supported by the vehicle body.

【０００８】[0008]

【発明の実施の形態】以下本発明の実施の態様を実施例
１、実施例２により説明する。（実施例１）図１においてナックル１０は、上下方向に
長く、両側の辺１０ａ、１０ｂが中央の辺１０ｃに対し
て一側に直角に折曲されて平面視略コの字型断面形状と
され、正面視、中央部１０ｄが略四角形状をなし、上部
１０ｅが細く絞られてアーム状をなし、下部１０ｆが中
央部１０ｄよりも僅かに絞られ、下端１０ｇが更に細く
絞られ且つ中央部を潰されて２枚合わせの形状（図２）
とされている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to Embodiments 1 and 2. (Embodiment 1) In FIG. 1, a knuckle 10 is long in the up-down direction, and both sides 10a and 10b are bent at right angles to one side with respect to a center side 10c to have a substantially U-shaped cross section in plan view. When viewed from the front, the central portion 10d has a substantially square shape, the upper portion 10e is narrowed down to form an arm shape, the lower portion 10f is slightly narrowed down than the central portion 10d, the lower end 10g is further narrowed down and the central portion is narrowed down. Is crushed and the shape of two sheets is matched (Fig. 2)
It has been.

【０００９】そして、中央部１０ｄが車輪の支持部、上
部１０ｅがストラットの取付部、下部１０ｆがサスペン
ションアームを構成するロアアームの取付部、下端１０
ｇが前記サスペンションアームを構成するトレーリング
アームの取付部とされる。また、下端１０ｇは、図２の
ように車体外側部に中空部１０ｈが形成され、車体内側
部が端末を開口されている。このような形状のナックル
１０は、板金加工により形成される。A central portion 10d is a wheel supporting portion, an upper portion 10e is a strut mounting portion, a lower portion 10f is a lower arm mounting portion constituting a suspension arm, and a lower end 10f.
g is a mounting portion of the trailing arm constituting the suspension arm. The lower end 10g has a hollow portion 10h formed on the outside of the vehicle body as shown in FIG. 2, and the terminal on the inside of the vehicle body is opened. The knuckle 10 having such a shape is formed by sheet metal processing.

【００１０】両側の辺１０ａ、１０ｂの上部には、孔１
１、１１’、１２、１２’が、上下に並んで、下部には
孔１３、１３’が、下端１０ｇには、孔１４が、夫々平
行に水平方向に穿設されている。そして、孔１１、１
１’、１２、１２’及び１３、１３’には、パイプ１
５、１６、１７が貫通され、各両端を各辺１０ａ、１０
ｂに溶着固定される。A hole 1 is provided above the sides 10a and 10b on both sides.
1, 11, 12 'and 12' are vertically arranged, holes 13 and 13 'are formed in the lower part, and a hole 14 is formed in the lower end 10g in parallel in the horizontal direction. And holes 11, 1
1 ', 12, 12' and 13, 13 '
5, 16, 17 are penetrated, and each end is connected to each side 10a, 10
b.

【００１１】尚、両側の辺１０ａ、１０ｂの孔１１、１
１’は、図３に示すようにバーリング加工を施してパイ
プ１５を圧入して貫通し、溶着固定するようにしてもよ
い。他の孔１２、１２’、１３、１３’とパイプ１６、
１７についても同様である。そして、ナックル１０は、
両辺１０ａ、１０ｂを貫通し、且つ両端がこれらの両辺
１０ａ、１０ｂに溶着固定されるパイプ１５〜１７によ
り補強される。The holes 11, 1 on the sides 10a, 10b on both sides are provided.
As shown in FIG. 3, 1 'may be subjected to a burring process to press-fit the pipe 15 to penetrate and fix it by welding. Other holes 12, 12 ', 13, 13' and pipe 16,
The same applies to 17. And the knuckle 10
Both sides 10a, 10b are reinforced by pipes 15-17, which penetrate and are welded and fixed to both sides 10a, 10b.

【００１２】中央部１０ｄの中央には、車輪を回転自在
に軸支するスピンドル１８が固定される。即ち、スピン
ドル１８は、基端が中央部１０ｄに穿設された孔に圧入
され、且つ溶着固定される。また、中央部１０ｄには車
輪支持部材を取り付けるためのねじ孔１９がスピンドル
１８の回りに複数穿設されている。このようにして板金
製のナックル１０が形成される。そして、ナックル１０
は、上述したようにパイプ１５〜１７及び下端１０ｇの
孔１４を前後方向に、且つ互いに平行に設けることによ
り、左右輪のナックルを共用することが可能となる。A spindle 18 for rotatably supporting the wheels is fixed to the center of the central portion 10d. That is, the spindle 18 has its base end press-fitted into a hole formed in the central portion 10d and is fixed by welding. A plurality of screw holes 19 for attaching a wheel support member are formed around the spindle 18 in the central portion 10d. Thus, the knuckle 10 made of sheet metal is formed. And knuckle 10
As described above, the knuckles of the left and right wheels can be shared by providing the pipes 15 to 17 and the hole 14 of the lower end 10g in the front-rear direction and parallel to each other.

【００１３】以下に作用を説明する。ナックル１０は、
車体内向きに開口する即ち、両側の辺１０ａ、１０ｂの
開口する側が車体の内側に臨むように配置され、上部１
０ｅのパイプ１５、１６の両端がストラット部材のブラ
ケット（図示せず）に挟持され、通しボルトにより強固
に固定される。また、下部１０ｆのパイプ１７の両端に
は、夫々前記ロアアームの各一端がブッシュを介して装
着され、通しボルト及びナット（何れも図示せず）によ
り連結される。更に、ナックル１０の下端１０ｇの孔１
４には、前記トレーリングアームの一端がブッシュ（共
に図示せず）を介して取り付けられる。そして、中央部
１０ｄに車輪を回転自在に支持する車輪支持部材が取り
付けられる。（実施例２）実施例２のナックルは、実施例１のナック
ル１０の下部１０ｇ中央を内外方向に絞った形状とした
ものである。尚、図１と同一又は相当する部材には、同
一又は相当する符号を付して説明を省略する。図４乃至
図６においてナックル１０’は、車体の外側に臨む中央
の辺１０’ｃの下部１０’ｆの平坦部の中央が、内側に
絞られて即ち、両辺１０’ａ、１０’ｂの開口側に開口
端近傍位置まで凸状に絞られて凸部１０’ｉが形成され
ている。そして、下部１０’ｆにパイプ１７が各辺１
０’ａ、１０”ａ、１０”ｂ、１０’ｂ（図５）を貫通
し、且つこれらの各辺に溶着固定される。これによりナ
ックル１０’の強度が更に向上する。尚、下端１０’ｇ
は、図６のように車体内側部に中空部１０’ｈが形成さ
れ、車体外側部が端末を開口されている。The operation will be described below. Knuckle 10
The upper part 1 is disposed so as to open inwardly of the vehicle body, that is, the side where the sides 10a and 10b are open faces the inside of the vehicle body.
Both ends of the pipes 15 and 16 of 0e are sandwiched between brackets (not shown) of strut members, and are firmly fixed by through bolts. Further, each end of the lower arm is attached to both ends of the pipe 17 of the lower part 10f via a bush, and is connected by a through bolt and a nut (neither is shown). Furthermore, the hole 1 of the lower end 10 g of the knuckle 10
4, one end of the trailing arm is attached via a bush (both not shown). Then, a wheel supporting member for rotatably supporting the wheel is attached to the central portion 10d. (Embodiment 2) The knuckle of Embodiment 2 has a shape in which the center of the lower portion 10g of the knuckle 10 of Embodiment 1 is narrowed inward and outward. The same or corresponding members as those in FIG. 1 are denoted by the same or corresponding reference numerals, and description thereof is omitted. 4 to 6, the knuckle 10 'is such that the center of the flat part of the lower part 10'f of the central side 10'c facing the outside of the vehicle body is narrowed inward, that is, the knuckle 10' A convex portion 10′i is formed on the opening side so as to be convexly narrowed to a position near the opening end. Then, a pipe 17 is placed on each side 1
It penetrates through 0'a, 10 "a, 10" b, and 10'b (FIG. 5) and is welded and fixed to each of these sides. This further improves the strength of the knuckle 10 '. In addition, lower end 10'g
As shown in FIG. 6, a hollow portion 10'h is formed on the inside of the vehicle body, and the terminal is opened on the outside of the vehicle body.

【００１４】また、図７に示すように辺１０’ａ、１
０”ａ間にパイプ１７’を貫通し、辺１０”ｂ、１０’
ｂ間にパイプ１７”を貫通し、各辺に夫々溶着固定する
ようにしても良い。図５に示すように１本のパイプ１７
を使用する場合には、当該パイプ１７の長さがパイプ１
５、１６の２倍以上の長さを必要とする。しかしなが
ら、２本のパイプ１７’、１７”を使用すると凸部１
０’ｉの部分における長さを短くすることができるため
に、パイプ１７’、１７”の長さを短くすることができ
る。また、パイプ１７’、１７”をパイプ１５、或いは
１６等と共用することも可能となる。Further, as shown in FIG.
The pipe 17 'penetrates between 0 "a and the sides 10" b, 10'
A pipe 17 "may be penetrated between b and welded and fixed to each side. One pipe 17" may be provided as shown in FIG.
Is used, the length of the pipe 17 is
The length is required to be twice or more than that of 5,16. However, if two pipes 17 'and 17 "are used, the convex portion 1
Since the length at the portion of 0'i can be shortened, the length of the pipes 17 'and 17 "can be shortened. Further, the pipes 17' and 17" are shared with the pipes 15 and 16 or the like. It is also possible to do.

【００１５】[0015]

【発明の効果】以上説明したように本発明によれば、車
輪を回転自在に支持する車輪支持部材を支持し、連結手
段により車体に支持されるナックルにおいて、前記ナッ
クルは、車体内向きに開口し、且つ第１辺と当該第１辺
の両端から延びた第２辺からなり略コの字型断面を有し
た板金部材であって、前記第１辺の中間部を開口側に凸
条に形成して前記両第２辺に連続した一対の第１部と当
該第１部に接続され前記第２辺に対向するように形成さ
れた一対の第２部と両端が当該第２部に連なり前記第１
部に略並行した第３部とにし、前記第２辺と第２部とに
夫々貫通孔が形成され、前記貫通孔間にパイプ部材が設
けられた構造としたことにより、パイプ部材と協働して
強度の高い、しかも、軽量なナックルを形成することが
でき、ナックルの軽量化及びコストの低減が図られる。
また、この板金製ナックルは、ストラット式リヤサスペ
ンションのナックルに使用する場合に好適である。As described above, according to the present invention, a knuckle which supports a wheel supporting member for rotatably supporting a wheel and is supported by a vehicle body by a connecting means, wherein the knuckle is opened inwardly of the vehicle body. And a sheet metal member having a substantially U-shaped cross section including a first side and second sides extending from both ends of the first side , wherein an intermediate portion of the first side is convex toward the opening side.
And a pair of first portions formed on the strip and continuous with the second sides.
A second portion connected to the first portion and formed opposite to the second side;
The pair of second parts and both ends are connected to the second part and the first part
A third part substantially parallel to the part, and the second side and the second part
Through holes are respectively formed, and pipe members are provided between the through holes.
Due to the divided structure, a high-strength and lightweight knuckle can be formed in cooperation with the pipe member, and the weight and cost of the knuckle can be reduced.
This sheet metal knuckle is suitable for use in a knuckle of a strut type rear suspension.

【００１６】請求項２では、前記ナックルは、パイプ部
材の貫通孔がバーリング加工されてパイプ部材が圧入さ
れることにより、パイプ部材がより強固に固定される。
請求項３では、前記ナックルは、サスペンションアーム
に連結される両辺の一部が湾曲されて互いに当接される
ことにより、連結用のパイプ部材が不要となり、部品点
数の低減、工数の低減、及び軽量化が図られる。In the knuckle according to the second aspect, the knuckle is fixed more firmly by burring the through hole of the pipe member and press-fitting the pipe member .
According to the third aspect , the knuckle is configured such that a part of both sides connected to the suspension arm is curved and abuts each other, so that a pipe member for connection is not required, and the number of parts, the number of steps, and the number of steps are reduced. Lightening is achieved.

【００１７】請求項４では、前記ナックルは、中央の辺
の中間部が開口側に凸状をなすように形成されて絞ら
れ、これらの中間部と両辺間をパイプ部材が貫通して固
着されることにより強度の向上が図られる。According to a fourth aspect of the present invention, the knuckle is formed so that an intermediate portion of a center side is convex toward the opening side and narrowed, and a pipe member penetrates between the intermediate portion and both sides and is fixed. By doing so, the strength is improved.

[Brief description of the drawings]

【図１】本発明のナックルの実施例１の斜視図である。FIG. 1 is a perspective view of a knuckle according to a first embodiment of the present invention.

【図２】図１の矢線ＩＩ−ＩＩに沿う断面図である。FIG. 2 is a sectional view taken along the line II-II in FIG.

【図３】図１のバーリング加工により形成した貫通孔に
パイプを貫通固定する場合の説明図である。FIG. 3 is an explanatory diagram of a case where a pipe is fixed through a through hole formed by burring processing in FIG. 1;

【図４】本発明のナックルの実施例２の斜視図である。FIG. 4 is a perspective view of a knuckle according to a second embodiment of the present invention.

【図５】図４の矢線Ｖ−Ｖに沿う断面図である。FIG. 5 is a sectional view taken along the line VV in FIG. 4;

【図６】図４の矢線ＶＩ−ＶＩに沿う断面図である。FIG. 6 is a sectional view taken along the line VI-VI in FIG. 4;

【図７】図５のナックル下部のパイプ１７を分割した例
を示す断面図である。FIG. 7 is a sectional view showing an example in which a pipe 17 below the knuckle in FIG. 5 is divided.

【図８】従来の鋳造品のナックルを使用したサスペンシ
ョンの説明図である。FIG. 8 is an explanatory view of a suspension using a conventional knuckle of a cast product.

[Explanation of symbols]

１０、１０’ ナックル１０ａ、１０ｂ、１０ａ’、１０ｂ’ 両側の辺１０ｃ、１０ｃ’ 中央の辺１２、１３、１４貫通孔１５〜１７、１７’１７” パイプ１８スピンドル 10, 10 'Knuckle 10a, 10b, 10a', 10b 'Sides 10c, 10c' Central sides 12, 13, 14 Through holes 15-17, 17'17 "Pipe 18 Spindle

Claims

(57) [Claims]

1. A knuckle that supports a wheel supporting member that rotatably supports a wheel and is supported by a vehicle body by connecting means, wherein the knuckle opens inwardly of the vehicle body, and has a first side and the first side. A sheet metal member comprising a second side extending from both ends of the first side and having a substantially U-shaped cross section , wherein an intermediate portion of the first side is opened.
A pair of first and second ridges formed on the mouth side and continuous with the second sides
1 part and connected to the first part so as to face the second side.
A pair of second parts and both ends formed in the second part are connected to the second part.
A knuckle comprising a third portion substantially parallel to the first portion, a through hole formed in each of the second side and the second portion, and a pipe member provided between the through holes .

2. The knuckle according to claim 1, wherein the through-hole is formed by burring, and the pipe member is press-fitted into the through-hole.

Wherein a portion of said two second parts are contact with each other is curved, the knuckle of Claim 1 or 2, characterized in that holes are formed in the abutting portion.

4. A first strut is provided at an upper portion of the through hole, and a strut is attached to the through hole. Each of the second sides is connected to the second side on a side opposite to the first through hole with respect to the wheel support member. A first part, a second part connected to the first part and formed to face the second side, and a third part connected to the second part and substantially parallel to the first part; The second is formed on the second side and the second portion, the second of the pipe member is provided between the second through holes, and the opposite side of the wheel support member from the first through hole. A part of the second sides is curved and abut on each other, a hole is formed in the abutting part, and a suspension arm is mounted on the second pipe member and the hole. Knuckles according to items 1 to 3 .