JP3706845B2 - Axle hub support structure - Google Patents

Axle hub support structure Download PDF

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Publication number
JP3706845B2
JP3706845B2 JP2002263147A JP2002263147A JP3706845B2 JP 3706845 B2 JP3706845 B2 JP 3706845B2 JP 2002263147 A JP2002263147 A JP 2002263147A JP 2002263147 A JP2002263147 A JP 2002263147A JP 3706845 B2 JP3706845 B2 JP 3706845B2
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Prior art keywords
axle hub
circlip
housing
bearing
knuckle
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JP2004098839A (en
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泰律 吉村
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、懸架装置に支持したハウジングの内周面にベアリングを介してアクスルハブの軸部を回転自在に支持するアクスルハブの支持構造に関する。
【０００２】
【従来の技術】
図８には下記特許文献１の１２図に記載されたアクスルハブの支持構造が示される。自動車のドライブシャフト０１にスプライン結合されてハブナット０２で締結されたアクスルハブ０３は、懸架装置のナックル０４にボールベアリング０５を介して回転自在に支持される。ボールベアリング０５はインナーレース０６と、アウターレース０７と、複数のボール０８…とを備えており、アクスルハブ０３の外周に圧入されたインナーレース０６はドライブシャフト０１の段部０１ａとアクスルハブ０３の段部０３ａとに挟まれて軸方向に固定され、ナックル０４の内周に嵌合するアウターレース０７はナックル０４の段部０４ａとナックル０４に装着したサークリップ０９とに挟まれて軸方向に固定される。ナックル０４の車両外側端面には、ブレーキディスク０１０に泥水等が付着するのを防止するためのスプラッシュガード０１１が取り付けられる。
【０００３】
上記各部品の組み付け順序は、先ずナックル０４にスプラッシュガード０１１を取り付け、ナックル０４の内周にボールベアリング０５のアウターレース０７を圧入してサークリップ０９で固定し、次いでボールベアリング０５のインナーレース０６にアクスルハブ０３の外周を圧入してハブナット０２で締結する。
【０００４】
【特許文献１】
特開平１０−２６０１９５号公報
【０００５】
【発明が解決しようとする課題】
ところで上記従来のものは、各部品を組み付ける順序が決められていて作業手順が複雑であった。またスプラッシュガード０１１をナックル０４に取り付けるのを忘れたままボールベアリング０５およびアクスルハブ０３を組み付けてしまうと、スプラッシュガード０１１を取り付けるために、一旦組み付けたアクスルハブ０３をボールベアリング０５と共にナックル０４から引き抜く際に、ボールベアリング０５の軸方向に２分割したインナーレース０６の車両外側半部がアクスルハブ０３と一体に抜けてしまい、その時点でボールベアリング０５が破損してしまう可能性があった。
【０００６】
本発明は前述の事情に鑑みてなされたもので、懸架装置に支持したハウジングに対するベアリングおよびアクスルハブの着脱作業を容易かつ確実に行えるようにすることを目的とする。
【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、請求項１に記載された発明によれば、懸架装置に支持したハウジングの内周面にベアリングを介してアクスルハブの軸部を回転自在に支持するアクスルハブの支持構造において、ハウジングの車両外側端面に当接する第１当接部と、ハウジングの車両内側端面に当接する第２当接部とをベアリングのアウターレースに設け、第１、第２当接部によりハウジングに対するベアリングの軸方向の移動を規制するとともに、第２当接部をベアリングのアウターレースに縮径可能に装着したサークリップで構成し、サークリップの車両内側端面に、ハウジングの車両外側端面との当接により該サークリップを縮径させるための傾斜面を形成したことを特徴とするアクスルハブの支持構造が提案される。
【０００８】
上記構成によれば、懸架装置に支持したハウジングの内周面にアクスルハブの軸部を回転自在に支持するベアリングのアウターレースに、ハウジングの車両外側端面および車両内側端面にそれぞれ当接する第１、第２当接部を設けたものにおいて、第２当接部をベアリングのアウターレースに縮径可能に装着したサークリップで構成し、そのサークリップの車両内側端面に傾斜面を形成したので、アクスルハブに装着したベアリングのアウターレースの外周面をハウジングの内周面に嵌合させて押し込むだけで、傾斜面がハウジングの車両外側端面に当接してサークリップが縮径することで、そのサークリップがハウジングの車両内側端面に係合してアクスルハブの組み付けが完了する。
【０００９】
またハウジングからアクスルハブおよびベアリングを一体で取り外すには、サークリップを縮径させた状態でアクスルハブおよびベアリングをハウジングから引き抜けば良い。更に、アクスルハブおよびベアリングをハウジングに着脱する際に、ベアリングはアウターレースの外周面がハウジングの内周面に対して摺動するだけなので、ベアリングに無理な荷重が加わって損傷する虞がない。
【００１０】
尚、実施例のアッパーアーム１１およびロアアーム１２は本発明の懸架装置に対応し、実施例のボールベアリング１４は本発明のベアリングに対応し、実施例の第１サークリップ３５は本発明の第１当接部に対応し、実施例の第２サークリップ３６は本発明の第２当接部およびサークリップに対応する。
【００１１】
【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。
【００１２】
図１〜図５は本発明の第１実施例を示すもので、図１は前輪駆動車両の前輪部分の縦断面図、図２は図１の２部拡大図、図３は図２の３部拡大図、図４は図２の４部拡大図、図５はアクスルハブ組付時の作用説明図である。
【００１３】
図１に示すように、車体にアッパーアーム１１およびロアアーム１２を介してナックル１３が上下動可能に支持されており、このナックル１３にボールベアリング１４を介して支持したアクスルハブ１５に、駆動輪である前輪Ｗｆが回転自在に支持される。前輪Ｗｆを転舵すべく、ナックル１３がタイロッド１６を介してステアリングホイールに接続される。アクスルハブ１５の中心には車軸１７がスプライン嵌合してハブナット１８で固定されており、エンジンの駆動力が車軸１７からアクスルハブ１５を経て前輪Ｗｆに伝達される。アクスルハブ１５の軸部１５ａの車両外側端部には短い円筒状のハブ部１５ｂが同軸かつ一体に形成されるとともに、軸部１５ａおよびハブ部１５ｂ間に円板状のフランジ１５ｃが一体に形成される。
【００１４】
前輪Ｗｆはゴム製のタイヤ２０とアルミニウム製のタイヤホイール２１とからなり、タイヤホイール２１の中心に形成した円形のハブ穴２１ａの周囲を同軸に取り囲むように、複数個（実施例では５個）のボルト穴２１ｂ…が形成される。ハブ穴２１ａの開口部はセンターキャップ２２により覆われる。アクスルハブ１５のバブ部１５ａには、図示せぬブレーキキャリパにより制動されるブレーキディスク２３の中心に形成した円形のハブ穴２３ａと、タイヤホイール２１のハブ穴２１ａとが嵌合しており、アクスルハブ１５のフランジ１５ｃに車両内側から挿入した５本のハブボルト２４…が、ブレーキディスク２３とタイヤホイール２１の５個のボルト穴２１ｂ…とを貫通して５個のホイールナット２５…で締め付けられる。ブレーキディスク２３に泥水等が付着するのを防止するためのスプラッシュガード２６がビス２７…でナックル１３に固定される。
【００１５】
図２から明らかなように、ボールベアリング１４は軸方向に２分割されたインナーレース３１，３２と、アウターレース３３と、インナーレース３１，３２およびアウターレース３３間に配置された複数のボール３４…とを備える。車両外側のインナーレース３１はアクスルハブ１５の軸部１５ａとフランジ１５ｃとの間の段部ａに係止され、車両内側のインナーレース３２はアクスルハブ１５の軸部１５ａのカシメ部ｂに係止され、段部ａおよびカシメ部ｂによってインナーレース３１，３２がアクスルハブ１５の外周に固定される。
【００１６】
ボールベアリング１４のアウターレース３３の軸方向両端には２本の環状溝３３ｂ，３３ｃが形成されており、図３から明らかなように、車両外側の環状溝３３ｂには第１サークリップ３５が装着され、図４から明らかなように、車両内側の環状溝３３ｃには第２サークリップ３６が装着される。そして第２サークリップ３６の車両内側端面には、径方向外側が車両外側に向かって傾斜する傾斜面３６ａが形成される。アウターレース３３の外周面３３ａはナックル１３の内周面１３ａに摺動自在に嵌合しており、第１サークリップ３５がナックル１３の車両外側端面に当接し、第２サークリップ３６がナックル１３の車両内側端面に当接することで、アウターレース３３がナックル１３に対して軸方向に固定される。尚、図４に示す車両内側の環状溝３３ｃは、第２サークリップ３６が縮径可能なように深く形成されている。
【００１７】
次に、アクスルハブ１５およびボールベアリング１４をナックル１３に組み付ける手順を、図５に基づいて説明する。
【００１８】
予め、アクスルハブ１５の軸部１５ａの外周にボールベアリング１４のインナーレース３１，３２を嵌合させ、その車両外側端部をナックル１３の段部ａに突き当て、その車両内側端部をナックル１３のカシメ部ｂで押さえて軸方向に固定しておき、かつボールベアリング１４のアウターレース３３の外周面３３ａの一対の環状溝３３ｂ，３３ｃに第１、第２サークリップ３５，３６に装着しておく。続いて、アクスルハブ１５と一体のボールベアリング１４のアウターレース３３の外周面３３ａをナックル１３の内周面１３ａに嵌合させて矢印Ａ方向に押し込むと、ナックル１３の車両外側端面に傾斜面３６ａ（図４参照）が当接することで第２サークリップ３６が環状溝３３ｃ内に押し込まれるように縮径し、第２サークリップ３６の外周面がナックル１３の内周面１３ａに嵌合する。この状態からアクスルハブ１５を矢印Ａ方向に更に押し込んで第２サークリップ３６がナックル１３の車両内側端面を通過すると、その第２サークリップ３６が自己の弾発力が拡開してナックル１３の車両内側端面に係合し、第１、第２サークリップ３５，３６によってボールベアリング１４のアウターレース３３が軸方向に固定される。
【００１９】
このように、アクスルハブ１５をナックル１３に対して押し込むだけで組み付けが完了するので、組付作業が容易になるだけでなく、部品の組付順序の誤り等も発生し難くなる。またボールベアリング１４のアウターレース３３の車両内側方向への移動を第１サークリップ３５とナックル１３との当接により規制できるので、アウターレース３３の車両内側方向への移動を規制する段部０４ａ（図８参照）をナックル１３に形成する必要がなくなり、ナックル１３の駄肉を減らして重量を削減することができる。
【００２０】
ナックル１３からアクスルハブ１５およびボールベアリング１４を取り外すには、第２サークリップ３６を環状溝３３ｃの内部に押し込むように縮径させた状態でナックル１３からアクスルハブ１５およびボールベアリング１４を引く抜くだけで良く、作業が極めて容易である。しかも、その際にボールベアリング１４のアウターレース３３の外周面３３ａがナックル１３の内周面１３ａに沿って摺動するだけなので、ボールベアリング１４に無理な荷重が加わって破損することがない。
【００２１】
次に、図６に基づいて本発明の第２実施例を説明する。
【００２２】
第１実施例の第２サークリップ３６は傾斜面３６ａを有する直角三角形断面に形成されているが、第２実施例の第２サークリップ３６は傾斜面３６ａを有する台形断面に形成されている。この第２実施例によっても、第１実施例と同様の作用効果を達成することができる。
【００２３】
次に、図７に基づいて本発明の第３実施例を説明する。
【００２４】
第１実施例のボールベアリング１４は２分割されたインナーレース３１，３２を備えているが、第３実施例のボールベアリング１４の車両外側のインナーレース３１はアクスルハブ１５と一体に形成されている。この第３実施例によっても、第１実施例と同様の作用効果を達成することができる。
【００２５】
以上、本発明の実施例を説明したが、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。
【００２６】
例えば、本発明の懸架装置に支持したハウジングは実施例のナックル１３に限定されず、後輪の懸架装置においてアクスルハブを支持するハウジングであっても良い。
【００２７】
【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、懸架装置に支持したハウジングの内周面にアクスルハブの軸部を回転自在に支持するベアリングのアウターレースに、ハウジングの車両外側端面および車両内側端面にそれぞれ当接する第１、第２当接部を設けたものにおいて、第２当接部をベアリングのアウターレースに縮径可能に装着したサークリップで構成し、そのサークリップの車両内側端面に傾斜面を形成したので、アクスルハブに装着したベアリングのアウターレースの外周面をハウジングの内周面に嵌合させて押し込むだけで、傾斜面がハウジングの車両外側端面に当接してサークリップが縮径することで、そのサークリップがハウジングの車両内側端面に係合してアクスルハブの組み付けが完了する。
【００２８】
またハウジングからアクスルハブおよびベアリングを一体で取り外すには、サークリップを縮径させた状態でアクスルハブおよびベアリングをハウジングから引き抜けば良い。更に、アクスルハブおよびベアリングをハウジングに着脱する際に、ベアリングはアウターレースの外周面がハウジングの内周面に対して摺動するだけなので、ベアリングに無理な荷重が加わって損傷する虞がない。
【図面の簡単な説明】
【図１】前輪駆動車両の前輪部分の縦断面図
【図２】図１の２部拡大図
【図３】図２の３部拡大図
【図４】図２の４部拡大図
【図５】アクスルハブ組付時の作用説明図
【図６】本発明の第２実施例に係る、前記３に対応する図
【図７】本発明の第３実施例に係る、前記２に対応する図
【図８】従来のアクスルハブの支持構造を示す図
【符号の説明】
１１ アッパーアーム（懸架装置）
１２ ロアアーム（懸架装置）
１３ ナックル（ハウジング）
１３ａ 内周面
１４ ボールベアリング（ベアリング）
１５ アクスルハブ
１５ａ 軸部
３３ アウターレース
３５ 第１サークリップ（第１当接部）
３６ 第２サークリップ（第２当接部，サークリップ）
３６ａ 傾斜面[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an axle hub support structure that rotatably supports a shaft portion of an axle hub via a bearing on an inner peripheral surface of a housing supported by a suspension device.
[0002]
[Prior art]
FIG. 8 shows an axle hub support structure described in FIG. 12 of Patent Document 1 below. An axle hub 03 that is splined to a drive shaft 01 of an automobile and fastened by a hub nut 02 is rotatably supported by a knuckle 04 of a suspension device via a ball bearing 05. The ball bearing 05 includes an inner race 06, an outer race 07, and a plurality of balls 08. The inner race 06 press-fitted into the outer periphery of the axle hub 03 is a step portion 01a of the drive shaft 01 and a step portion of the axle hub 03. The outer race 07 which is fixed in the axial direction by being sandwiched between 03a and the inner race of the knuckle 04 is sandwiched between the step 04a of the knuckle 04 and the circlip 09 attached to the knuckle 04 and is secured in the axial direction. The A splash guard 011 for preventing muddy water or the like from adhering to the brake disc 010 is attached to the vehicle outer end surface of the knuckle 04.
[0003]
The order of assembling the components is as follows. First, the splash guard 011 is attached to the knuckle 04, the outer race 07 of the ball bearing 05 is press-fitted into the inner periphery of the knuckle 04 and fixed with the circlip 09, and then the inner race 06 of the ball bearing 05 is placed. The outer periphery of the axle hub 03 is press-fitted into and fastened with a hub nut 02.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 10-260195
[Problems to be solved by the invention]
By the way, in the above conventional one, the order of assembling each part is determined, and the work procedure is complicated. Further, if the ball bearing 05 and the axle hub 03 are assembled without forgetting to attach the splash guard 011 to the knuckle 04, the assembled axle hub 03 is pulled out from the knuckle 04 together with the ball bearing 05 in order to attach the splash guard 011. The vehicle outer half portion of the inner race 06 divided into two in the axial direction of the ball bearing 05 may come off integrally with the axle hub 03, and the ball bearing 05 may be damaged at that time.
[0006]
The present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to easily and reliably attach and detach a bearing and an axle hub to a housing supported by a suspension device.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, according to the first aspect of the present invention, in the axle hub support structure in which the shaft portion of the axle hub is rotatably supported via a bearing on the inner peripheral surface of the housing supported by the suspension device. A first abutting portion that abuts against the vehicle outer end surface of the housing and a second abutting portion that abuts against the vehicle inner end surface of the housing are provided on the outer race of the bearing, and the bearing with respect to the housing is provided by the first and second abutting portions. The circlip is mounted on the outer race of the bearing so that the diameter of the second abutment portion can be reduced. A support structure for an axle hub is proposed in which an inclined surface for reducing the diameter of the circlip is formed.
[0008]
According to the above-described configuration, the first and second outer races of the bearing that rotatably supports the shaft portion of the axle hub on the inner peripheral surface of the housing supported by the suspension device are in contact with the vehicle outer end surface and the vehicle inner end surface, respectively. In the case where the two abutting portions are provided, the second abutting portion is constituted by a circlip attached to the outer race of the bearing so that the diameter can be reduced, and an inclined surface is formed on the inner side end surface of the circlip. Just by fitting the outer peripheral surface of the outer race of the installed bearing to the inner peripheral surface of the housing and pushing it in, the inclined surface abuts the vehicle outer end surface of the housing and the circlip shrinks, so that the circlip becomes the housing The axle hub assembly is completed by engaging with the vehicle inner end face.
[0009]
Further, in order to remove the axle hub and the bearing integrally from the housing, the axle hub and the bearing may be pulled out of the housing while the circlip is reduced in diameter. Further, when the axle hub and the bearing are attached to and detached from the housing, the bearing only slides on the outer peripheral surface of the outer race with respect to the inner peripheral surface of the housing.
[0010]
The upper arm 11 and the lower arm 12 of the embodiment correspond to the suspension device of the present invention, the ball bearing 14 of the embodiment corresponds to the bearing of the present invention, and the first circlip 35 of the embodiment corresponds to the first circlip of the present invention. Corresponding to the contact portion, the second circlip 36 of the embodiment corresponds to the second contact portion and the circlip of the present invention.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described based on examples of the present invention shown in the accompanying drawings.
[0012]
1 to 5 show a first embodiment of the present invention. FIG. 1 is a longitudinal sectional view of a front wheel portion of a front wheel drive vehicle, FIG. 2 is an enlarged view of a part 2 in FIG. 1, and FIG. FIG. 4 is an enlarged view of part 4 of FIG. 2, and FIG. 5 is an explanatory view of the action when the axle hub is assembled.
[0013]
As shown in FIG. 1, a knuckle 13 is supported on a vehicle body via an upper arm 11 and a lower arm 12 so as to be movable up and down. Axle hub 15 supported on this knuckle 13 via a ball bearing 14 is a driving wheel. The front wheel Wf is rotatably supported. A knuckle 13 is connected to the steering wheel via a tie rod 16 to steer the front wheel Wf. An axle 17 is spline-fitted to the center of the axle hub 15 and fixed by a hub nut 18. Engine driving force is transmitted from the axle 17 to the front wheel Wf via the axle hub 15. A short cylindrical hub portion 15b is coaxially and integrally formed at the vehicle outer end portion of the shaft portion 15a of the axle hub 15, and a disk-shaped flange 15c is integrally formed between the shaft portion 15a and the hub portion 15b. The
[0014]
The front wheel Wf is composed of a rubber tire 20 and an aluminum tire wheel 21, and a plurality of (five in the embodiment) so as to surround the circumference of a circular hub hole 21a formed at the center of the tire wheel 21. Bolt holes 21b are formed. The opening of the hub hole 21 a is covered with the center cap 22. A circular hub hole 23a formed at the center of a brake disc 23 braked by a brake caliper (not shown) and a hub hole 21a of the tire wheel 21 are fitted to the bubbling portion 15a of the axle hub 15. The five hub bolts 24 inserted into the flange 15c from the inside of the vehicle pass through the brake disc 23 and the five bolt holes 21b of the tire wheel 21, and are tightened with the five wheel nuts 25. A splash guard 26 for preventing muddy water or the like from adhering to the brake disc 23 is fixed to the knuckle 13 with screws 27.
[0015]
As apparent from FIG. 2, the ball bearing 14 includes an inner race 31 and 32 divided into two in the axial direction, an outer race 33, and a plurality of balls 34 arranged between the inner races 31 and 32 and the outer race 33. With. The inner race 31 on the vehicle outer side is locked to a step portion a between the shaft portion 15a of the axle hub 15 and the flange 15c, and the inner race 32 on the vehicle inner side is locked to a caulking portion b of the shaft portion 15a of the axle hub 15, The inner races 31 and 32 are fixed to the outer periphery of the axle hub 15 by the stepped portion a and the crimped portion b.
[0016]
Two annular grooves 33b and 33c are formed at both axial ends of the outer race 33 of the ball bearing 14, and as is apparent from FIG. 3, the first circlip 35 is attached to the annular groove 33b outside the vehicle. As is apparent from FIG. 4, the second circlip 36 is attached to the annular groove 33 c inside the vehicle. An inclined surface 36 a is formed on the vehicle inner end surface of the second circlip 36 such that the radially outer side is inclined toward the vehicle outer side. An outer peripheral surface 33 a of the outer race 33 is slidably fitted to an inner peripheral surface 13 a of the knuckle 13, the first circlip 35 abuts on the vehicle outer end surface of the knuckle 13, and the second circlip 36 is knuckle 13. The outer race 33 is fixed in the axial direction with respect to the knuckle 13 by abutting against the inner surface of the vehicle. 4 is formed deep so that the second circlip 36 can be reduced in diameter.
[0017]
Next, the procedure for assembling the axle hub 15 and the ball bearing 14 to the knuckle 13 will be described with reference to FIG.
[0018]
The inner races 31 and 32 of the ball bearing 14 are fitted to the outer periphery of the shaft portion 15 a of the axle hub 15 in advance, the vehicle outer end portion is abutted against the step portion a of the knuckle 13, and the vehicle inner end portion is fixed to the knuckle 13. The first and second circlips 35 and 36 are attached to the pair of annular grooves 33b and 33c of the outer peripheral surface 33a of the outer race 33 of the ball bearing 14 while being pressed by the crimping portion b and fixed in the axial direction. . Subsequently, when the outer peripheral surface 33a of the outer race 33 of the ball bearing 14 integrated with the axle hub 15 is fitted to the inner peripheral surface 13a of the knuckle 13 and pushed in the direction of arrow A, the inclined surface 36a ( 4), the diameter of the second circlip 36 is reduced so as to be pushed into the annular groove 33c, and the outer peripheral surface of the second circlip 36 is fitted to the inner peripheral surface 13a of the knuckle 13. From this state, when the axle hub 15 is further pushed in the direction of the arrow A and the second circlip 36 passes the vehicle inner end surface of the knuckle 13, the second circlip 36 expands its own elastic force and the vehicle of the knuckle 13 is expanded. The outer race 33 of the ball bearing 14 is fixed in the axial direction by the first and second circlips 35 and 36 by engaging with the inner end face.
[0019]
Thus, since the assembly is completed simply by pushing the axle hub 15 into the knuckle 13, not only the assembling work is facilitated, but also an error in the assembling order of the components is less likely to occur. Further, since the movement of the outer race 33 of the ball bearing 14 in the vehicle inner side direction can be restricted by the contact of the first circlip 35 and the knuckle 13, a stepped portion 04a that restricts the movement of the outer race 33 in the vehicle inner direction ( 8) is not required to be formed on the knuckle 13, and the weight of the knuckle 13 can be reduced and the weight can be reduced.
[0020]
In order to remove the axle hub 15 and the ball bearing 14 from the knuckle 13, it is only necessary to pull out the axle hub 15 and the ball bearing 14 from the knuckle 13 in a state where the diameter of the second circlip 36 is reduced so as to be pushed into the annular groove 33c. The work is very easy. Moreover, since the outer peripheral surface 33a of the outer race 33 of the ball bearing 14 only slides along the inner peripheral surface 13a of the knuckle 13 at that time, the ball bearing 14 is not damaged by an excessive load.
[0021]
Next, a second embodiment of the present invention will be described with reference to FIG.
[0022]
The second circlip 36 of the first embodiment is formed in a right triangular section having an inclined surface 36a, whereas the second circlip 36 of the second embodiment is formed in a trapezoidal section having an inclined surface 36a. Also according to the second embodiment, the same effect as that of the first embodiment can be achieved.
[0023]
Next, a third embodiment of the present invention will be described with reference to FIG.
[0024]
The ball bearing 14 according to the first embodiment includes two inner races 31 and 32, and the inner race 31 outside the vehicle of the ball bearing 14 according to the third embodiment is formed integrally with the axle hub 15. According to the third embodiment, the same operation and effect as the first embodiment can be achieved.
[0025]
Although the embodiments of the present invention have been described above, various design changes can be made without departing from the scope of the present invention.
[0026]
For example, the housing supported by the suspension device of the present invention is not limited to the knuckle 13 of the embodiment, and may be a housing that supports the axle hub in the rear wheel suspension device.
[0027]
【The invention's effect】
As described above, according to the first aspect of the present invention, the vehicle outer end surface of the housing and the vehicle are mounted on the outer race of the bearing that rotatably supports the shaft portion of the axle hub on the inner peripheral surface of the housing supported by the suspension device. The first and second abutting portions that respectively abut on the inner end surface are provided, and the second abutting portion is constituted by a circlip that is mounted on the outer race of the bearing so that the diameter can be reduced. Since the outer peripheral surface of the outer race of the bearing mounted on the axle hub is fitted into the inner peripheral surface of the housing and pushed in, the inclined surface contacts the outer end surface of the housing and the circlip shrinks. By the diameter, the circlip engages with the vehicle inner end surface of the housing, and the assembly of the axle hub is completed.
[0028]
Further, in order to remove the axle hub and the bearing integrally from the housing, the axle hub and the bearing may be pulled out of the housing while the circlip is reduced in diameter. Further, when the axle hub and the bearing are attached to and detached from the housing, the bearing only slides on the outer peripheral surface of the outer race with respect to the inner peripheral surface of the housing.
[Brief description of the drawings]
1 is a longitudinal sectional view of a front wheel portion of a front-wheel drive vehicle. FIG. 2 is an enlarged view of part 2 in FIG. 1. FIG. 3 is an enlarged view of part 3 of FIG. FIG. 6 is a diagram corresponding to the above 3 according to the second embodiment of the present invention. FIG. 7 is a diagram corresponding to the above 2 according to the third embodiment of the present invention. FIG. 8 is a diagram showing a conventional axle hub support structure.
11 Upper arm (suspension device)
12 Lower arm (suspension device)
13 Knuckle (housing)
13a Inner peripheral surface 14 Ball bearing (bearing)
15 Axle hub 15a Shaft portion 33 Outer race 35 First circlip (first contact portion)
36 2nd circlip (2nd contact part, circlip)
36a inclined surface

Claims (1)

懸架装置（１１，１２）に支持したハウジング（１３）の内周面（１３ａ）にベアリング（１４）を介してアクスルハブ（１５）の軸部（１５ａ）を回転自在に支持するアクスルハブの支持構造において、
ハウジング（１３）の車両外側端面に当接する第１当接部（３５）と、ハウジング（１３）の車両内側端面に当接する第２当接部（３６）とをベアリング（１４）のアウターレース（３３）に設け、第１、第２当接部（３５，３６）によりハウジング（１３）に対するベアリング（１４）の軸方向の移動を規制するとともに、
第２当接部（３６）をベアリング（１４）のアウターレース（３３）に縮径可能に装着したサークリップで構成し、サークリップの車両内側端面に、ハウジング（１３）の車両外側端面との当接により該サークリップを縮径させるための傾斜面（３６ａ）を形成したことを特徴とするアクスルハブの支持構造。In an axle hub support structure in which a shaft portion (15a) of an axle hub (15) is rotatably supported on an inner peripheral surface (13a) of a housing (13) supported by a suspension device (11, 12) via a bearing (14). ,
A first contact portion (35) that contacts the vehicle outer end surface of the housing (13) and a second contact portion (36) that contacts the vehicle inner end surface of the housing (13) are connected to the outer race ( 33) and the axial movement of the bearing (14) relative to the housing (13) is restricted by the first and second contact portions (35, 36), and
The second abutting portion (36) is formed of a circlip attached to the outer race (33) of the bearing (14) so as to be able to reduce the diameter, and the vehicle inner end surface of the circlip is connected to the vehicle outer end surface of the housing (13) A support structure for an axle hub, wherein an inclined surface (36a) for reducing the diameter of the circlip by contact is formed.
JP2002263147A 2002-09-09 2002-09-09 Axle hub support structure Expired - Fee Related JP3706845B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160031260A1 (en) * 2014-07-05 2016-02-04 GM Global Technology Operations LLC Axle means, method for producing the same and motor vehicle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100748919B1 (en) 2006-06-09 2007-08-13 주식회사 일진글로벌 Hub bearing system and assembling method thereof
JP5572342B2 (en) * 2009-07-31 2014-08-13 本田技研工業株式会社 Axle support structure of vehicle
DE102011053956A1 (en) * 2011-09-27 2013-03-28 Hugo Benzing Gmbh & Co. Kg Circlip inserted into annular groove of e.g. shaft, for supporting machine portion against axial displacement, has supporting shoulder arranged in cross-section region lying outside of supporting portion to rotate recess portion
JP6217264B2 (en) * 2013-09-11 2017-10-25 日本精工株式会社 Bearing fixing structure and bearing fixing method
CN105499962A (en) * 2016-01-29 2016-04-20 浙江万向系统有限公司 Front axle assembling steering knuckle press-fitting device and press-fitting method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841397Y2 (en) * 1976-09-30 1983-09-19 カヤバ工業株式会社 hydraulic shock absorber
JPH01102515U (en) * 1987-12-28 1989-07-11
JP2001347805A (en) * 2000-04-05 2001-12-18 Nsk Ltd Axle unit for driving wheel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160031260A1 (en) * 2014-07-05 2016-02-04 GM Global Technology Operations LLC Axle means, method for producing the same and motor vehicle
US9884512B2 (en) * 2014-07-05 2018-02-06 GM Global Technology Operations LLC Axle means, method for producing the same and motor vehicle

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