JP2001347804A - Wheel supporting structure - Google Patents
Wheel supporting structureInfo
- Publication number
- JP2001347804A JP2001347804A JP2000378514A JP2000378514A JP2001347804A JP 2001347804 A JP2001347804 A JP 2001347804A JP 2000378514 A JP2000378514 A JP 2000378514A JP 2000378514 A JP2000378514 A JP 2000378514A JP 2001347804 A JP2001347804 A JP 2001347804A
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- rolling bearing
- mounting flange
- support structure
- mounting
- 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.)
- Granted
Links
Landscapes
- Mounting Of Bearings Or Others (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車輪が固定される
ハブホイールおよびハブホイールに外装されかつ車体に
対してナックルを介して固定される外輪を含む転がり軸
受を有するハブユニットと、ハブホイールに一体的に結
合される駆動シャフトとを含む車輪支持構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hub unit having a hub wheel to which a wheel is fixed and a rolling bearing including an outer ring externally mounted on the hub wheel and fixed to a vehicle body via a knuckle; And a drive shaft integrally coupled thereto.
【０００２】[0002]
【従来の技術】従来、図６および図７で示すように、車
輪支持構造として、車輪Ｔがディスクロータ１０６を介
して固定されるハブホイール１０７に外装され、かつ車
体にナックル１１０を介して固定される外輪１０８ｂを
含む複列転がり軸受１０８を有したハブユニット１０２
と、ハブホイール１０７に一体的に結合される駆動シャ
フト１００とを備えたものがある。2. Description of the Related Art Conventionally, as shown in FIGS. 6 and 7, as a wheel supporting structure, a wheel T is mounted on a hub wheel 107 which is fixed via a disk rotor 106, and is fixed to a vehicle body via a knuckle 110. Unit 102 having double row rolling bearing 108 including outer ring 108b
And a drive shaft 100 integrally connected to the hub wheel 107.
【０００３】前記ハブユニット１０２は、駆動シャフト
１００の端部に等速ジョイント１０４を介して取付けら
れており、ハブホイール１０７は、ディスクブレーキ装
置１０５に具備されたディスクロータ１０６をフランジ
１０７ａの一側（車両アウタ側）に固定することで車輪
Ｔを固定するよう構成されている。The hub unit 102 is attached to an end of a drive shaft 100 via a constant velocity joint 104. A hub wheel 107 is connected to a disk rotor 106 provided in a disk brake device 105 on one side of a flange 107a. (The vehicle outer side) to fix the wheels T.
【０００４】前記複列転がり軸受け１０８の外輪１０８
ｂは、ハブホイール１０７の他側（車両インナ側）に回
転可能に嵌合され、この外輪１０８ｂには、前記ナック
ル１１０を取付けるために所定間隔置きにフランジ１０
８ａが形成されている。The outer race 108 of the double row rolling bearing 108
b is rotatably fitted to the other side (vehicle inner side) of the hub wheel 107. The outer ring 108b is provided with flanges 10 at predetermined intervals to mount the knuckle 110 thereon.
8a are formed.
【０００５】前記ナックル１１０は、例えば図７に示す
ように、中央に、前記複列転がり軸受け１０８の他側が
嵌合するハブ取付け穴１１０ａを有して環状に形成され
たナックル本体１１３と、このナックル本体１１３の外
周部から放射状に一体的に形成されたフランジ１１０ｂ
とを備えている。The knuckle 110 has, as shown in FIG. 7, for example, a knuckle body 113 formed in an annular shape having a hub mounting hole 110a at the center thereof to which the other side of the double row rolling bearing 108 is fitted. Flange 110b integrally formed radially from the outer periphery of knuckle body 113
And
【０００６】そしてナックル本体１１３の盤面には、前
記複列転がり軸受け１０８のフランジ１０８ａと同じ所
定間隔置きに、取付けボルト１１５を挿通する固定用孔
１１３ａが形成されている。On the board surface of the knuckle body 113, fixing holes 113a for inserting the mounting bolts 115 are formed at the same predetermined intervals as the flanges 108a of the double row rolling bearing 108.
【０００７】上記車輪支持構造において、ハブホイール
１０７と複列転がり軸受け１０８を組み立てたハブユニ
ット１０２を、ディスクロータ１０６にボルトによって
固定し、複列転がり軸受け１０８のフランジ１０８ａに
ナックル本体１１３の固定用孔１１３ａを位置合わせし
て、取付けボルト１１５によってナックル本体１１３を
複列転がり軸受け１０８のフランジ１０８ａに固定す
る。In the above wheel supporting structure, the hub unit 102 in which the hub wheel 107 and the double row rolling bearing 108 are assembled is fixed to the disk rotor 106 by bolts, and the knuckle body 113 is fixed to the flange 108a of the double row rolling bearing 108. The holes 113a are aligned, and the knuckle body 113 is fixed to the flange 108a of the double row rolling bearing 108 by the mounting bolt 115.
【０００８】そして、駆動シャフト１００の端部をナッ
クル本体１１３のハブ取付け穴１１０ａからハブホイー
ル１０７の中央穴に挿入するようにして固定することで
組立てる。[0008] Then, the drive shaft 100 is assembled by inserting the end of the drive shaft 100 from the hub mounting hole 110a of the knuckle body 113 into the center hole of the hub wheel 107 and fixing the same.
【０００９】ところで近年、図８に示すように、ハブユ
ニット１０２を予め駆動シャフト１００の端部に取付け
ておき、ハブユニット１０２をナックル１１０のハブ取
付け穴１１０ａに挿通するようにしてディスクロータ１
０６に固定するようにした車輪支持構造がある。In recent years, as shown in FIG. 8, the hub unit 102 is previously attached to the end of the drive shaft 100, and the disk unit 1 is inserted through the hub mounting hole 110a of the knuckle 110.
There is a wheel support structure that is fixed at 06.
【００１０】[0010]
【発明が解決しようとする課題】上記のように、ハブユ
ニット１０２を予め駆動シャフト１００の端部に取付け
ておき、この状態でナックル１１０の車両アウタ側から
駆動シャフト１００を挿通して、駆動シャフト１００に
エンジン駆動を伝達するようにデファレンシャル装置側
の等速ジョイントに結合させるためには、ナックル１１
０に形成したハブ取付け穴１１０ａの径を等速ジョイン
トが挿通可能な径になるように大きく形成する必要があ
る。As described above, the hub unit 102 is attached to the end of the drive shaft 100 in advance, and in this state, the drive shaft 100 is inserted from the vehicle outer side of the knuckle 110 to drive the drive shaft 100. The knuckle 11 is connected to the constant velocity joint on the differential device side so as to transmit the engine drive to the knuckle 11.
It is necessary to increase the diameter of the hub mounting hole 110a formed to zero so that the diameter can be inserted into the constant velocity joint.
【００１１】しかし、ハブ取付け穴１１０ａの径を等速
ジョイントが挿通可能な径になるように大きく形成する
と、ナックル１１０を大きくしなければならず、重量増
になる。また、前記車輪支持構造のようにハブユニット
１０２と、駆動シャフト１００とを取付けた物は重量が
あるため、作業者がナックル１１０の穴を挿通して駆動
シャフトをデファレンシャル装置側の等速ジョイントに
結合するのは重労働かつ難しい作業になり、作業性が悪
く工数がかかるようになる。However, if the diameter of the hub mounting hole 110a is made large so that the constant velocity joint can be inserted, the knuckle 110 must be enlarged, and the weight increases. Since the hub unit 102 and the drive shaft 100 are heavy, as in the case of the wheel support structure, the operator inserts the knuckle 110 into the hole and inserts the drive shaft into the constant velocity joint on the differential device side. Coupling becomes a laborious and difficult task, resulting in poor workability and labor.
【００１２】そこで、本発明は上記課題に鑑み、重量増
を抑えるととも駆動シャフトの車体への取付けを容易に
し得る車輪支持構造の提供を目的とする。In view of the above problems, an object of the present invention is to provide a wheel support structure capable of suppressing an increase in weight and facilitating attachment of a drive shaft to a vehicle body.
【００１３】[0013]
【課題を解決するための手段】本発明における課題解決
手段は、車輪を取付けるためのハブホイールを軸心回り
に回転自在に支持する複列転がり軸受が設けられ、この
複列転がり軸受の外輪が、車体側に支持された支持部材
に径方向外向きの取付け用フランジ部を介して固定さ
れ、前記ハブホイールに動力伝達軸が一体的に設けら
れ、前記支持部材がＵ字形切欠きを有し、前記動力伝達
軸がＵ字形切欠きに対して回転可能に挿通されている。The object of the present invention is to provide a double row rolling bearing which rotatably supports a hub wheel for mounting a wheel around an axis. The outer race of the double row rolling bearing is provided. Fixed to a support member supported on the vehicle body side via a radially outward mounting flange portion, a power transmission shaft is integrally provided on the hub wheel, and the support member has a U-shaped notch. The power transmission shaft is rotatably inserted into the U-shaped notch.
【００１４】上記構成のように、支持部材にＵ字形切欠
きを形成してこのＵ字形切欠きに転がり軸受の外輪を介
して動力伝達軸を嵌め込むことで、従来のような環状の
支持部材の取付け穴に動力伝達軸（等速ジョイント）を
挿通する必要がない。従って、動力伝達軸あるいはハブ
ユニットの径に応じて支持部材を大きくするといった必
要がなく、構造全体の重量増が抑えられる。また、Ｕ字
形切欠きに動力伝達軸をその径方向に沿って嵌め込むと
いう容易な作業で組み立てられる構造となる。As described above, a U-shaped notch is formed in the support member, and the power transmission shaft is fitted into the U-shaped notch via the outer ring of the rolling bearing, thereby providing a conventional annular support member. There is no need to insert the power transmission shaft (constant velocity joint) into the mounting hole. Therefore, there is no need to increase the size of the support member in accordance with the diameter of the power transmission shaft or the hub unit, and an increase in the weight of the entire structure can be suppressed. Further, the power transmission shaft is fitted into the U-shaped notch along the radial direction, so that the structure can be assembled by an easy operation.
【００１５】また、外輪に取付け用フランジ部が一体で
形成され、支持部材のＵ字形切欠きの解放部分に対応す
る領域における前記取付け用フランジ部の肉厚が、他部
位に比べ厚く形成され、あるいは取付け用フランジ部を
形成した取付け環部材が外輪に別体で嵌着され、支持部
材のＵ字形切欠きの解放部分に対応する領域における前
記取付け用フランジ部の肉厚が、他部位に比べ厚く形成
されている。The mounting flange is formed integrally with the outer race, and the thickness of the mounting flange in a region corresponding to the open portion of the U-shaped notch of the support member is formed to be thicker than other portions. Alternatively, a mounting ring member formed with a mounting flange portion is separately fitted to the outer ring, and the thickness of the mounting flange portion in a region corresponding to the open portion of the U-shaped notch of the support member is larger than other portions. It is formed thick.
【００１６】このように構成することにより、支持部材
にＵ字形切欠きを形成したことによる剛性の低下を防止
できる。With this configuration, it is possible to prevent a decrease in rigidity due to the formation of the U-shaped notch in the support member.
【００１７】車輪を取付けるためのハブホイールを軸心
回りに回転自在に支持する複列転がり軸受が設けられ、
この複列転がり軸受の外輪が、車体側に支持された支持
部材に径方向外向きの取付け用フランジ部を介して固定
され、前記ハブホイールに動力伝達軸が一体的に設けら
れ、前記支持部材が、前記外輪を挿通する挿通凹部を有
した支持部材本体と、前記取付け用フランジ部に固定さ
れる固定部とを備え、前記支持部材本体は、開閉中心軸
回りに回動して挿通凹部を開放するよう径方向で複数個
に分割されている。A double row rolling bearing for rotatably supporting a hub wheel for mounting the wheel around an axis is provided.
An outer ring of the double-row rolling bearing is fixed to a support member supported on the vehicle body side via a radially outward mounting flange portion, a power transmission shaft is integrally provided on the hub wheel, and the support member is Has a supporting member main body having an insertion concave portion through which the outer ring is inserted, and a fixing portion fixed to the mounting flange portion, and the support member main body is rotated around an opening / closing center axis to form the insertion concave portion. It is divided into a plurality in the radial direction to open.
【００１８】上記構成によれば、開閉中心軸回りに挿通
凹部を開放してこの挿通凹部を転がり軸受の外輪に嵌め
込み挿通凹部を閉じるようにすることで、支持部材本体
に挿通するといった作業がなくなって、転がり軸受の外
輪と支持部材とを容易に装着し、また、支持部材をハブ
ユニットの径に応じて大きくするといった必要がなく、
従って、車輪支持構造全体の重量増を抑えるとともにハ
ブユニットの径に依る設計の制限を解消する。According to the above construction, the insertion recess is opened around the opening / closing center axis, and this insertion recess is fitted into the outer ring of the rolling bearing to close the insertion recess, thereby eliminating the work of inserting the support member body. Therefore, the outer ring of the rolling bearing and the support member can be easily mounted, and it is not necessary to increase the support member according to the diameter of the hub unit.
Therefore, an increase in the weight of the entire wheel support structure can be suppressed, and design restrictions due to the diameter of the hub unit are eliminated.
【００１９】さらに、外輪に取付け用フランジ部が一体
で形成され、支持部材の挿通凹部の解放部分に対応する
領域における前記取付け用フランジ部の肉厚が、他部位
に比べ厚く形成され、あるいは、取付け用フランジ部を
形成した取付け環部材が外輪に別体で嵌着され、支持部
材の挿通凹部の解放部分に対応する領域における前記取
付け用フランジ部の肉厚が、他部位に比べ厚く形成され
ている。Further, the mounting flange portion is formed integrally with the outer race, and the thickness of the mounting flange portion in a region corresponding to the open portion of the insertion concave portion of the support member is formed to be thicker than other portions. A mounting ring member forming a mounting flange portion is separately fitted to the outer ring, and a thickness of the mounting flange portion in a region corresponding to a release portion of the insertion concave portion of the support member is formed to be thicker than other portions. ing.
【００２０】このように構成することにより、支持部材
に挿通凹部を設けて径方向で複数個に分割したことによ
る剛性の低下を防止できる。With this configuration, it is possible to prevent a decrease in rigidity due to the provision of the insertion recess in the support member and the division into a plurality of pieces in the radial direction.
【００２１】[0021]
【発明の実施の形態】以下、本発明の実施の第一形態
を、図１の分解斜視図および図２の断面図に基づいて説
明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to an exploded perspective view of FIG. 1 and a sectional view of FIG.
【００２２】図１に示すように、本発明の実施の第一形
態に係る車輪支持構造は、車輪が固定されるハブホイー
ル１、このハブホイール１に外装されかつ車体に対して
支持部材（以下「ナックル」と称す）２を介して固定さ
れる外輪３を含む複列転がり軸受４を有するハブユニッ
ト５と、前記ハブホイール１に一体的に結合される動力
伝達軸（以下「駆動シャフト」と称す）６とを備えてい
る。As shown in FIG. 1, a wheel support structure according to a first embodiment of the present invention includes a hub wheel 1 to which wheels are fixed, a hub member mounted on the hub wheel 1, and a support member (hereinafter referred to as a support member). A hub unit 5 having a double-row rolling bearing 4 including an outer ring 3 fixed via a "knuckle"2; and a power transmission shaft (hereinafter referred to as a "drive shaft") integrally connected to the hub wheel 1. 6).
【００２３】図２に示すように、前記ハブユニット５
は、駆動シャフト６に等速ジョイント（ＣＶＪ：Ｃｏｎ
ｓｔａｎｔ Ｖｅｌｏｃｉｔｙ Ｊｏｉｎｔ）７を介し
て取付けられ、前記ハブホイール１は、ディスクブレー
キ装置８に具備されたディスクロータ９をフランジ１０
の一側、すなわち車両アウタ側に固定するように構成さ
れている。なお、前記複列転がり軸受４は、ハブホイー
ル１の他側、すなわち車両インナ側に嵌合されている。As shown in FIG. 2, the hub unit 5
Is a constant velocity joint (CVJ: Con
The hub wheel 1 is attached to the disk rotor 9 provided in a disk brake device 8 by a flange 10 (start velocity joint).
, Ie, the vehicle outer side. The double row rolling bearing 4 is fitted on the other side of the hub wheel 1, that is, on the vehicle inner side.
【００２４】なお同図に示すように、前記等速ジョイン
ト７は、例えばツェッパタイプ（バーフィールド型）が
用いられ、この等速ジョイント７の外輪１５と一体の軸
部（駆動シャフト６の端部）６ａがハブホイール１の中
心穴１Ａに対してスプライン嵌合されている。As shown in the figure, the constant velocity joint 7 is, for example, a Zeppa type (Barfield type), and a shaft part (end of the drive shaft 6) integrated with the outer ring 15 of the constant velocity joint 7. 6a is spline-fitted to the center hole 1A of the hub wheel 1.
【００２５】前記複列転がり軸受４は、ハブホイール１
の車両インナ側に外嵌固定される単一軌道を有する内輪
１６と、二列の軌道溝を有する単一の外輪３と、二列で
配設される複数の玉１８と、二つの冠形保持器１９とを
備えている。The double-row rolling bearing 4 includes the hub wheel 1
Inner race 16 having a single raceway externally fixed to the vehicle inner side, a single outer race 3 having two rows of raceway grooves, a plurality of balls 18 arranged in two rows, and two crown shapes And a retainer 19.
【００２６】そして、ハブホイール１の外周面を一方内
輪とする構成であり、外輪３の外周面には、前記ナック
ル２を取付けるために所定間隔置きに、複数個の取付け
用フランジ部２０が径方向に突出するよう形成されてい
る。なお、これら各取付け用フランジ部２０には、後述
の取付けボルト２４が挿通される挿通孔２０ａが形成さ
れている。The outer peripheral surface of the hub wheel 1 is formed as one inner ring, and the outer peripheral surface of the outer ring 3 is provided with a plurality of mounting flange portions 20 at predetermined intervals for mounting the knuckle 2. It is formed so as to project in the direction. Each of the mounting flange portions 20 has an insertion hole 20a through which a mounting bolt 24 described later is inserted.
【００２７】図１に示すように、前記ナックル２は、駆
動シャフト６が回転可能に挿通されるＵ字形切欠き２１
を有したナックル本体２２と、このナックル本体２２か
ら径方向外向きに形成されて車体に固定する複数個の固
定用フランジ２３とが設けられている。As shown in FIG. 1, the knuckle 2 has a U-shaped notch 21 through which the drive shaft 6 is rotatably inserted.
And a plurality of fixing flanges 23 formed radially outward from the knuckle body 22 and fixed to the vehicle body.
【００２８】そしてナックル本体２２の盤面には、前記
複列転がり軸受け４の取付け用フランジ部２０と同じ所
定間隔置きに、取付けボルト２４を挿通する固定用孔２
５が形成されている。On the board surface of the knuckle main body 22, fixing holes 2 through which mounting bolts 24 are inserted are provided at the same predetermined intervals as the mounting flange portions 20 of the double row rolling bearing 4.
5 are formed.
【００２９】図３に示すように、前記ハブユニット５の
ハブホイール１は、駆動シャフトアッセンブリ３０を介
して車両のデファレンシャル装置３１に連結され、この
駆動シャフトアッセンブリ３０は、駆動シャフト６の車
両アウタ側に前記等速ジョイント７を取付け、駆動シャ
フト６の車両インナ側（デファレンシャル装置３１側）
に別の等速ジョイント３２を取付けた構成である。As shown in FIG. 3, the hub wheel 1 of the hub unit 5 is connected to a vehicle differential device 31 via a drive shaft assembly 30, and the drive shaft assembly 30 is connected to the vehicle outer side of the drive shaft 6. The constant velocity joint 7 is mounted on the inner side of the drive shaft 6 on the vehicle inner side (the differential device 31 side).
In this configuration, another constant velocity joint 32 is attached.
【００３０】上記構成において、駆動シャフト６の端
部、すなわち軸部６ａを予めハブユニット５に組み込ん
でおき、ハブホイール１のフランジ１０の外面に、ディ
スクロータ９をあてがった状態で互いを固定する。In the above configuration, the end of the drive shaft 6, that is, the shaft portion 6a is previously incorporated into the hub unit 5, and the two are fixed to each other with the disk rotor 9 applied to the outer surface of the flange 10 of the hub wheel 1. .
【００３１】また、複列転がり軸受４の外輪３の取付け
用フランジ部２０を、ナックル２を介して車体などに対
して取付けボルト２４によって固定する。等速ジョイン
ト７は、図３に示すような形態で駆動シャフト６を介し
てデファレンシャル装置３１（等速ジョイント３２）に
対して連結し、これにより、駆動シャフト６の回転動力
が、ハブホイール９からハブホイール９に取付けられて
いる車輪Ｔに伝達される。Further, the mounting flange portion 20 of the outer race 3 of the double row rolling bearing 4 is fixed to a vehicle body or the like via the knuckle 2 by a mounting bolt 24. The constant velocity joint 7 is connected to the differential device 31 (constant velocity joint 32) via the drive shaft 6 in a form as shown in FIG. 3, whereby the rotational power of the drive shaft 6 is transmitted from the hub wheel 9 The power is transmitted to a wheel T mounted on the hub wheel 9.
【００３２】そして、複列転がり軸受４の外輪３の取付
け用フランジ部２０を車体などに固定する際、ナックル
本体２２はＵ字形切欠き２１を有しているので、このＵ
字形切欠き２１に、軸部６ａを嵌合した複列転がり軸受
４の外輪３をその径方向に沿って一側から嵌め込むこと
で、従来のように環状のナックル本体１１３のハブ取付
け穴１１０ａに挿通することなく、容易に装着できる。When the flange portion 20 for mounting the outer race 3 of the double row rolling bearing 4 is fixed to a vehicle body or the like, the knuckle main body 22 has a U-shaped notch 21.
The outer race 3 of the double-row rolling bearing 4 fitted with the shaft portion 6a is fitted into the notch 21 from one side along the radial direction of the outer race 3 so that the hub mounting hole 110a of the annular knuckle body 113 as in the related art. It can be easily mounted without penetrating through.
【００３３】ハブユニット５の径は駆動シャフト６の径
に比べて大きいが、上記のように本発明の実施の第一形
態では、ナックル本体２２がＵ字形切欠き２１を有し
て、複列転がり軸受４の外輪３に対しその径方向に沿っ
て嵌め込むように構成したので、ナックル２をハブユニ
ット５の径に応じて大きくするといった必要がなく、従
って、車輪支持構造全体の重量増を抑えることができ、
ハブユニット５の径に依る設計の制限が解消される。Although the diameter of the hub unit 5 is larger than the diameter of the drive shaft 6, in the first embodiment of the present invention as described above, the knuckle body 22 has the U-shaped notch 21, Since the rolling bearing 4 is configured to be fitted into the outer ring 3 along the radial direction thereof, it is not necessary to increase the knuckle 2 in accordance with the diameter of the hub unit 5, and therefore, the weight of the entire wheel supporting structure is increased. Can be suppressed,
The limitation of the design depending on the diameter of the hub unit 5 is eliminated.
【００３４】さらに、ナックル２を大きくする必要がな
いため、取付けボルト２４を挿通する固定用孔２５のピ
ッチ径を変更する必要がなく、従って、複列転がり軸受
４の位置精度を確保することができる。Further, since it is not necessary to increase the size of the knuckle 2, it is not necessary to change the pitch diameter of the fixing holes 25 through which the mounting bolts 24 are inserted. Therefore, the positional accuracy of the double row rolling bearing 4 can be ensured. it can.
【００３５】次に、本発明の実施の第二形態を図４の斜
視図に基づいて説明する。本発明の実施の第二形態に係
る車輪支持構造は、ナックル２が、複列転がり軸受４の
外輪３を挿通する挿通凹部４０を有したナックル本体４
１と、このナックル本体４１から径方向外向きに形成さ
れて車体に固定する複数個の固定用フランジ４２から構
成されている。また、前記ナックル本体４１の盤面に、
前記外輪３の取付け用フランジ部２０に取付けボルト２
４を介して固定される固定用孔（固定部）２５が所定間
隔置きに形成されている。Next, a second embodiment of the present invention will be described with reference to the perspective view of FIG. In the wheel supporting structure according to the second embodiment of the present invention, the knuckle 2 has the insertion recess 40 through which the outer ring 3 of the double row rolling bearing 4 is inserted.
1 and a plurality of fixing flanges 42 formed radially outward from the knuckle body 41 and fixed to the vehicle body. Also, on the board surface of the knuckle body 41,
Attachment bolt 2 to attachment flange 20 of outer ring 3
Fixing holes (fixing portions) 25 fixed through the holes 4 are formed at predetermined intervals.
【００３６】そして前記ナックル本体４１は、開閉中心
軸４３回りに回動して前記挿通凹部４０を開放し得るよ
う径方向で複数個（本実施の形態の場合２個）の構成部
材４４，４５に半割り分割されている。すなわち、各構
成部材４４，４５の両端部は互いに重なり得るように他
の部位に対して半分の厚みに形成され、一方の構成部材
４４の一方の端部は円弧状に形成され、この円弧状部分
と他方の構成部材４５の一方の端部とに前記開閉中心軸
４３が挿通されている。他の構成は上記実施の第一形態
と同様であるので、その説明を省略する。The knuckle main body 41 has a plurality (two in the present embodiment) of constituent members 44 and 45 in the radial direction so as to rotate about the opening / closing center axis 43 and open the insertion recess 40. Is divided in half. That is, both ends of each of the constituent members 44 and 45 are formed to have a half thickness with respect to the other portion so as to be able to overlap each other, and one end of one of the constituent members 44 is formed in an arc shape. The opening / closing center shaft 43 is inserted through the portion and one end of the other component member 45. The other configuration is the same as that of the first embodiment, and the description is omitted.
【００３７】上記構成において、駆動シャフト６の端
部、すなわち軸部６ａを予めハブユニット５に組み込ん
でおき、ハブホイール１のフランジ１０にディスクロー
タ９をあてがった状態で互いを固定する。In the above configuration, the end of the drive shaft 6, that is, the shaft 6a is assembled in the hub unit 5 in advance, and they are fixed to each other while the disk rotor 9 is applied to the flange 10 of the hub wheel 1.
【００３８】そして、複列転がり軸受４の外輪３の取付
け用フランジ部２０を車体に固定する際、ナックル本体
４１は、開閉中心軸４３回りに回動複数個の構成部材４
４，４５に半割り分割されているので、図４の仮想線で
示すように一方の構成部材４４を開閉中心軸４３回りに
回動させて挿通凹部４０を開放し、この挿通凹部４０
を、複列転がり軸受４の外輪３の径方向に沿って一側か
ら嵌め込む。続いて、一方の構成部材４４を開閉中心軸
４３回りに反対方向に回動させて挿通凹部４０を閉じ、
各挿通孔２０ａとこれに対応する固定用孔２５に取付け
ボルト２４を挿通してナックル２と複列転がり軸受４の
外輪３とを固定する。When the mounting flange portion 20 of the outer race 3 of the double row rolling bearing 4 is fixed to the vehicle body, the knuckle body 41 rotates around the opening / closing center axis 43.
4 and 45, the one component member 44 is rotated about the opening / closing center axis 43 to open the insertion recess 40 as shown by the imaginary line in FIG.
From one side along the radial direction of the outer race 3 of the double row rolling bearing 4. Subsequently, one of the constituent members 44 is rotated in the opposite direction about the opening / closing center axis 43 to close the insertion recess 40,
The knuckle 2 and the outer ring 3 of the double row rolling bearing 4 are fixed by inserting the mounting bolts 24 into the respective insertion holes 20a and the corresponding fixing holes 25.
【００３９】このように本発明の実施の第二形態では、
ナックル本体４１を開閉中心軸４３回りに回動して挿通
凹部４０を開放し得るよう径方向で複数個の構成部材４
４，４５に半割り分割し、挿通凹部４０を開放した状態
でナックル本体４１を複列転がり軸受４の外輪３に対し
嵌め込み、その後、挿通凹部４０を閉じるようにしたの
で、ナックル２をハブユニット５の径に応じて大きくす
るといった必要がなく、従って、車輪支持構造全体の重
量増を抑えることができ、ハブユニット５の径に依る設
計の制限が解消される。他の作用効果は上記実施の第一
形態と同様である。As described above, in the second embodiment of the present invention,
The knuckle main body 41 is rotated around the opening / closing center axis 43 to open the insertion recess 40 so that the plurality of constituent members 4
4, 45, and the knuckle body 41 is fitted into the outer ring 3 of the double row rolling bearing 4 with the insertion recess 40 opened, and then the insertion recess 40 is closed. There is no need to increase the size in accordance with the diameter of the hub unit 5. Therefore, it is possible to suppress an increase in the weight of the entire wheel supporting structure, and to eliminate the design limitation depending on the hub unit 5 diameter. Other functions and effects are the same as those of the first embodiment.
【００４０】なお、本発明は上記実施の形態に限定され
るものではなく、例えば、図５に示すように、複列転が
り軸受４の外輪３に形成した取付け用フランジ部２０の
肉厚を厚く形成してもよい。この構成によって、ナック
ル本体２２にＵ字形切欠き２１を形成したことによる剛
性の低下分を取付け用フランジ部２０側で補うことがで
き、ナックル本体２２の変形を防止できる。他の構成は
上記実施の形態と同様であるので、その説明を省略す
る。The present invention is not limited to the above embodiment. For example, as shown in FIG. 5, the thickness of the mounting flange portion 20 formed on the outer ring 3 of the double row rolling bearing 4 is increased. It may be formed. With this configuration, the reduction in rigidity due to the formation of the U-shaped notch 21 in the knuckle main body 22 can be compensated for by the mounting flange portion 20 side, and the knuckle main body 22 can be prevented from being deformed. The other configuration is the same as that of the above-described embodiment, and a description thereof will be omitted.
【００４１】また、上記各実施の形態では、複列転がり
軸受け４の外輪３の外周面には、ナックル２を取付ける
ために、複数個の取付け用フランジ部２０を径方向に突
出するよう形成したが、本発明はこれに限定されるもの
ではなく、複数個の取付け用フランジ部２０を形成する
代わりに、複列転がり軸受け４の外輪３に、径方向に突
出する環状のフランジを形成し、このフランジに上記各
実施の形態と同様のナックル本体２２を固定するよう構
成してもよい。In each of the above embodiments, a plurality of mounting flange portions 20 are formed on the outer peripheral surface of the outer race 3 of the double row rolling bearing 4 so as to project in the radial direction in order to mount the knuckle 2. However, the present invention is not limited to this. Instead of forming a plurality of mounting flange portions 20, a radially projecting annular flange is formed on the outer ring 3 of the double row rolling bearing 4, The knuckle body 22 similar to each of the above embodiments may be fixed to this flange.
【００４２】この場合、実施の第一形態ではナックル２
のＵ字形切欠き２１の解放部分に対応する領域の肉厚を
他部位に比べ厚く形成することによって、ナックル本体
２２にＵ字形切欠き２１を形成したことによる剛性の低
下分をフランジ側で補って、ナックル本体２２の変形を
防止できる。In this case, in the first embodiment, the knuckle 2
The thickness of the region corresponding to the open portion of the U-shaped notch 21 is made thicker than that of other portions, so that the reduction in rigidity due to the formation of the U-shaped notch 21 in the knuckle body 22 is compensated for on the flange side. Thus, the deformation of the knuckle body 22 can be prevented.
【００４３】さらに、図５の仮想線で示すように、ナッ
クル本体２２の解放側端部どうしを連結するための、ナ
ックル２とは別の取付け部材３５を設け、Ｕ字形切欠き
２１に、複列転がり軸受４の外輪３をその径方向に沿っ
て一側から嵌め込んだ後、この取付け部材３５を他側か
ら駆動シャフト６に嵌め込むとともにナックル本体２２
に取付けるよう構成してもよい。Further, as shown by the phantom line in FIG. 5, a mounting member 35 separate from the knuckle 2 for connecting the open ends of the knuckle body 22 is provided. After the outer ring 3 of the row rolling bearing 4 is fitted from one side along the radial direction, the mounting member 35 is fitted to the drive shaft 6 from the other side and the knuckle body 22 is fitted.
You may be comprised so that it may be attached to.
【００４４】この場合、取付け部材３５によって、Ｕ字
形切欠き２１を形成したことによるナックル本体２２の
剛性の低下を補うことができる。In this case, the lowering of the rigidity of the knuckle body 22 due to the formation of the U-shaped notch 21 can be compensated for by the mounting member 35.
【００４５】なお、上記各実施の形態では、取付け用フ
ランジ２０は複列転がり軸受４の外輪３に一体的に形成
した場合の例で説明したがこれに限定されるものではな
く、本発明のナックル２の使用は、取付け用フランジ２
０を外周面に形成した外輪３とは別の部材を外輪３に対
して嵌着するような構成の複列転がり軸受４を用いる構
成の車輪支持構造にも適用させることができる。In each of the above-described embodiments, the example in which the mounting flange 20 is formed integrally with the outer race 3 of the double row rolling bearing 4 has been described. However, the present invention is not limited to this. Use knuckle 2 with mounting flange 2
The present invention can also be applied to a wheel supporting structure using a double-row rolling bearing 4 configured to fit a member other than the outer ring 3 having an outer peripheral surface of 0 on the outer ring 3.
【００４６】さらに上記各実施の形態では、複列転がり
軸受４は、車両インナ側に外嵌固定される単一軌道を有
する内輪１６を有した場合で説明したが、これに限定さ
れるものではなく、本発明の各実施の形態におけるナッ
クル２の使用は、二列で配設される玉１８のそれぞれの
軌道面となる一対の内輪をハブホイール１に嵌着した構
成の複列転がり軸受４にも適用できる。Furthermore, in each of the above embodiments, the double row rolling bearing 4 has been described as having the inner race 16 having the single raceway which is externally fitted and fixed to the vehicle inner side, but is not limited to this. Instead, the use of the knuckle 2 in each embodiment of the present invention is based on the fact that a pair of inner races, which serve as respective raceways of the balls 18 arranged in two rows, are fitted to the hub wheel 1 in a double row rolling bearing 4. Also applicable to
【００４７】また、上記実施の形態では、ハブホイール
１の外周面を一方の玉１８の内輪軌道面として用い、他
方の玉１８の内輪軌道面を有する内輪１６をハブホイー
ル１に嵌着するよう構成した複列転がり軸受４を用いた
例で説明したが、これに限定されるものではなく、本発
明におけるナックル２の使用は、ハブホイール１とは別
で一対の内輪を駆動シャフト６に嵌着させるタイプの複
列転がり軸受４を用いる構成の車輪支持構造にも適用さ
せることができる。In the above embodiment, the outer peripheral surface of the hub wheel 1 is used as the inner raceway surface of one ball 18, and the inner race 16 having the inner raceway surface of the other ball 18 is fitted to the hub wheel 1. Although the example using the double row rolling bearing 4 is described, the present invention is not limited to this, and the use of the knuckle 2 in the present invention can be achieved by fitting a pair of inner rings to the drive shaft 6 separately from the hub wheel 1. The present invention can also be applied to a wheel supporting structure using a double row rolling bearing 4 of a type to be worn.
【００４８】加えて上記実施の形態は、等速ジョイント
７の外輪１５とハブホイール１とが別体の場合で説明し
たが、これに限定されるものではなく、本発明における
ナックル２の使用は、等速ジョイント７の外輪１５とハ
ブホイール１とを一体に形成した構成の車輪支持構造に
も適用させることができる。In addition, in the above embodiment, the case where the outer race 15 of the constant velocity joint 7 and the hub wheel 1 are separate bodies has been described. However, the present invention is not limited to this, and the use of the knuckle 2 in the present invention is not limited to this. The present invention can also be applied to a wheel supporting structure in which the outer ring 15 of the constant velocity joint 7 and the hub wheel 1 are integrally formed.
【００４９】[0049]
【発明の効果】以上の説明から明らかなように、本発明
は、転がり軸受の外輪を車体に固定するための支持部材
にＵ字形切欠きを形成し、このＵ字形切欠きを転がり軸
受の外輪を介して動力伝達軸の径方向に沿って嵌め込む
ようにすることで、従来のように環状の支持部材本体に
挿通するといった作業がなくなって、転がり軸受の外輪
と支持部材とを容易に装着でき、また、支持部材をハブ
ユニットの径に応じて大きくするといった必要がなく、
従って、車輪支持構造全体の重量増を抑えることができ
るとともにハブユニットの径に依る設計の制限が解消さ
れる。As is apparent from the above description, according to the present invention, a U-shaped notch is formed in a support member for fixing an outer ring of a rolling bearing to a vehicle body, and the U-shaped notch is formed on the outer ring of the rolling bearing. The outer ring of the rolling bearing and the support member can be easily attached by eliminating the work of inserting into the annular support member main body as in the past by fitting the power transmission shaft along the radial direction of the power transmission shaft via Yes, and there is no need to increase the support member according to the diameter of the hub unit.
Therefore, an increase in the weight of the entire wheel support structure can be suppressed, and the limitation of the design depending on the diameter of the hub unit is eliminated.
【００５０】また、転がり軸受の外輪に、支持部材を取
付けるための径方向外向きのフランジを有し、支持部材
のＵ字形切欠きの解放部分に対応する領域における前記
フランジの肉厚を、他部位に比べ厚く形成したことによ
り、支持部材にＵ字形切欠きを形成したことによる剛性
の低下を防止できる。Further, the outer ring of the rolling bearing has a radially outward flange for mounting a support member, and the thickness of the flange in a region corresponding to the open portion of the U-shaped notch of the support member is adjusted. By forming the support member thicker than the portion, it is possible to prevent a decrease in rigidity due to the formation of the U-shaped notch in the support member.
【００５１】さらに、支持部材本体を、開閉中心軸回り
に回動して挿通凹部を開放するよう径方向で複数個に分
割した構成によれば、挿通凹部を開放してこの挿通凹部
を転がり軸受の外輪に嵌め込み、その後に挿通凹部を閉
じるようにすることで、従来のように環状の支持部材本
体に挿通するといった作業がなくなって、転がり軸受の
外輪と支持部材とを容易に装着でき、また、支持部材を
ハブユニットの径に応じて大きくするといった必要がな
く、従って、車輪支持構造全体の重量増を抑えることが
できるとともにハブユニットの径に依る設計の制限が解
消される。Further, according to the configuration in which the support member body is divided into a plurality of parts in the radial direction so as to rotate about the opening / closing center axis to open the insertion recess, the insertion recess is opened and the insertion recess is rolled. The outer ring of the rolling bearing can be easily attached to the outer ring of the rolling bearing by eliminating the work of inserting into the ring-shaped support member body as in the related art by fitting the outer ring into the outer ring and thereafter closing the insertion recess. Therefore, it is not necessary to increase the size of the support member in accordance with the diameter of the hub unit. Therefore, it is possible to suppress an increase in the weight of the entire wheel support structure, and to eliminate the restriction on the design due to the diameter of the hub unit.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の実施の第一形態に係る車輪支持構造の
分解斜視図である。FIG. 1 is an exploded perspective view of a wheel support structure according to a first embodiment of the present invention.
【図２】同じくハブユニットとディスクロータとの取付
け状態を示す断面図である。FIG. 2 is a cross-sectional view showing a mounting state of the hub unit and the disk rotor.
【図３】同じく使用形態を示す模式図である。FIG. 3 is a schematic diagram showing a usage pattern.
【図４】本発明の実施の第二形態を示す車輪支持構造の
分解斜視図である。FIG. 4 is an exploded perspective view of a wheel support structure according to a second embodiment of the present invention.
【図５】他の実施の形態を示す車輪支持構造の要部拡大
斜視図である。FIG. 5 is an enlarged perspective view of a main part of a wheel support structure showing another embodiment.
【図６】従来例の車輪支持構造の全体概略断面図であ
る。FIG. 6 is an overall schematic sectional view of a conventional wheel support structure.
【図７】同じく分解斜視図である。FIG. 7 is an exploded perspective view.
【図８】他の従来例の分解斜視図である。FIG. 8 is an exploded perspective view of another conventional example.
１ ハブホイール ２ ナックル ３ 外輪 ４ 複列転がり軸受 ５ ハブユニット ６ 駆動シャフト ７ 等速ジョイント ９ ディスクロータ ２０ 取付け用フランジ部 ２１ Ｕ字形切欠き ２２ ナックル本体 ２３ 固定用フランジ DESCRIPTION OF SYMBOLS 1 Hub wheel 2 Knuckle 3 Outer ring 4 Double row rolling bearing 5 Hub unit 6 Drive shaft 7 Constant velocity joint 9 Disk rotor 20 Mounting flange 21 U-shaped notch 22 Knuckle body 23 Fixing flange
Claims (6)
心回りに回転自在に支持する複列転がり軸受が設けら
れ、この複列転がり軸受の外輪が、車体側に支持された
支持部材に径方向外向きの取付け用フランジ部を介して
固定され、前記ハブホイールに動力伝達軸が一体的に設
けられる車輪支持構造であって、 前記支持部材がＵ字形切欠きを有し、前記動力伝達軸が
Ｕ字形切欠きに対して回転可能に挿通されたことを特徴
とする車輪支持構造。1. A double row rolling bearing for rotatably supporting a hub wheel for mounting a wheel around an axis is provided, and an outer ring of the double row rolling bearing is radially mounted on a supporting member supported on a vehicle body side. A wheel support structure fixed via an outward mounting flange portion and a power transmission shaft provided integrally with the hub wheel, wherein the support member has a U-shaped notch, and the power transmission shaft is A wheel support structure rotatably inserted into a U-shaped notch.
外輪に取付け用フランジ部が一体で形成され、支持部材
のＵ字形切欠きの解放部分に対応する領域における前記
取付け用フランジ部の肉厚が、他部位に比べ厚く形成さ
れたことを特徴とする車輪支持構造。2. The wheel support structure according to claim 1, wherein
The mounting flange portion is formed integrally with the outer race, and the thickness of the mounting flange portion in a region corresponding to the open portion of the U-shaped notch of the support member is formed to be thicker than other portions. Wheel support structure.
て、取付け用フランジ部を形成した取付け環部材が外輪
に別体で嵌着され、支持部材のＵ字形切欠きの解放部分
に対応する領域における前記取付け用フランジ部の肉厚
が、他部位に比べ厚く形成されたことを特徴とする車輪
支持構造。3. The wheel support structure according to claim 1, wherein the mounting ring member having the mounting flange portion is separately fitted to the outer ring, and corresponds to a release portion of the U-shaped notch of the support member. 3. The wheel support structure according to claim 1, wherein the thickness of the mounting flange portion is thicker than other portions.
心回りに回転自在に支持する複列転がり軸受が設けら
れ、この複列転がり軸受の外輪が、車体側に支持された
支持部材に径方向外向きの取付け用フランジ部を介して
固定され、前記ハブホイールに動力伝達軸が一体的に設
けられる車輪支持構造であって、 前記支持部材が、前記外輪を挿通する挿通凹部を有した
支持部材本体と、前記取付け用フランジ部に固定される
固定部とを備え、前記支持部材本体は、開閉中心軸回り
に回動して挿通凹部を開放するよう径方向で複数個に分
割されたことを特徴とする車輪支持構造。4. A double row rolling bearing for rotatably supporting a hub wheel for mounting a wheel around an axis is provided, and an outer ring of the double row rolling bearing is radially attached to a support member supported on the vehicle body side. A wheel support structure fixed via an outward mounting flange portion, wherein a power transmission shaft is provided integrally with the hub wheel, wherein the support member has an insertion recess through which the outer ring is inserted. A main body, and a fixing portion fixed to the mounting flange portion, wherein the support member main body is divided into a plurality of pieces in a radial direction so as to rotate around an opening / closing center axis and open the insertion recess. Characterized wheel support structure.
外輪に取付け用フランジ部が一体で形成され、支持部材
の挿通凹部の解放部分に対応する領域における前記取付
け用フランジ部の肉厚が、他部位に比べ厚く形成された
ことを特徴とする車輪支持構造。5. The wheel support structure according to claim 4, wherein
A wheel support, wherein a mounting flange portion is formed integrally with the outer ring, and a thickness of the mounting flange portion in a region corresponding to a release portion of the insertion recess of the support member is formed to be thicker than other portions. Construction.
て、取付け用フランジ部を形成した取付け環部材が外輪
に別体で嵌着され、支持部材の挿通凹部の解放部分に対
応する領域における前記取付け用フランジ部の肉厚が、
他部位に比べ厚く形成されたことを特徴とする車輪支持
構造。6. The wheel support structure according to claim 4, wherein a mounting ring member having a mounting flange portion is separately fitted to the outer ring, and is provided in a region corresponding to a release portion of the insertion recess of the support member. If the thickness of the mounting flange is
A wheel support structure characterized by being formed thicker than other parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000378514A JP4019628B2 (en) | 2000-04-06 | 2000-12-13 | Wheel support structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-104615 | 2000-04-06 | ||
| JP2000104615 | 2000-04-06 | ||
| JP2000378514A JP4019628B2 (en) | 2000-04-06 | 2000-12-13 | Wheel support structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001347804A true JP2001347804A (en) | 2001-12-18 |
| JP4019628B2 JP4019628B2 (en) | 2007-12-12 |
Family
ID=26589571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000378514A Expired - Fee Related JP4019628B2 (en) | 2000-04-06 | 2000-12-13 | Wheel support structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4019628B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011031684A (en) * | 2009-07-30 | 2011-02-17 | Jtekt Corp | Connecting structure of bearing device for wheel and drive shaft |
-
2000
- 2000-12-13 JP JP2000378514A patent/JP4019628B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011031684A (en) * | 2009-07-30 | 2011-02-17 | Jtekt Corp | Connecting structure of bearing device for wheel and drive shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4019628B2 (en) | 2007-12-12 |
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