JP2003146004A - Vehicular rolling bearing device - Google Patents
Vehicular rolling bearing deviceInfo
- Publication number
- JP2003146004A JP2003146004A JP2001343159A JP2001343159A JP2003146004A JP 2003146004 A JP2003146004 A JP 2003146004A JP 2001343159 A JP2001343159 A JP 2001343159A JP 2001343159 A JP2001343159 A JP 2001343159A JP 2003146004 A JP2003146004 A JP 2003146004A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- ring member
- balls
- bearing device
- inner ring
- 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
- Rolling Contact Bearings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車両用転がり軸受
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling bearing device for vehicles.
【０００２】[0002]
【従来の技術】従来の車両用転がり軸受装置を図３に示
す。これは、車体側にナックル６０を介して非回転に組
込まれる外輪部材６１と、この外輪部材６１に２列の玉
６２，６３を介して軸心６４回りに回転自在に支持され
る内輪部材６５とを備えている。2. Description of the Related Art A conventional rolling bearing device for a vehicle is shown in FIG. This is an outer ring member 61 that is non-rotatably assembled to the vehicle body side through a knuckle 60, and an inner ring member 65 that is rotatably supported around an axial center 64 through two rows of balls 62 and 63 in the outer ring member 61. It has and.
【０００３】この内輪部材６５は、外周面が一方列（車
両アウタ側）の玉６２の内輪軌道面として用いられると
ともに、外周面途中に径方向外向きに突出して車輪（ブ
レーキディスクロータおよびタイヤホイール）を取付け
るためのハブフランジ６６を有するハブホイール６７
と、このハブホイール６７の中心穴にスプライン嵌合す
る軸部６８を一体に形成した等速ジョイント６９の椀形
外輪部材７０とから構成されている。この椀形外輪部材
７０の外周面が他方列（車両インナ側）の玉６３の内輪
軌道面として用いられている。The inner ring member 65 has an outer peripheral surface used as the inner ring raceway surface of the balls 62 in one row (outer side of the vehicle), and projects radially outward in the middle of the outer peripheral surface of the wheel (a brake disc rotor and a tire wheel). Hub wheel 67 with hub flange 66 for mounting
And a bowl-shaped outer ring member 70 of a constant velocity joint 69 integrally formed with a shaft portion 68 that is spline-fitted in the center hole of the hub wheel 67. The outer peripheral surface of the bowl-shaped outer ring member 70 is used as the inner ring raceway surface of the balls 63 in the other row (vehicle inner side).
【０００４】また、前記軸部６８は軽量化のために中空
断面に形成され、椀形外輪部材７０の椀形部７１と軸部
６８との間には、椀形部７１内部の潤滑剤が外部に漏れ
るのを防止するための蓋部材７２が嵌着されている。Further, the shaft portion 68 is formed in a hollow cross section for the purpose of weight reduction, and a lubricant inside the bowl-shaped portion 71 is provided between the bowl-shaped portion 71 of the bowl-shaped outer ring member 70 and the shaft portion 68. A lid member 72 is fitted to prevent leakage to the outside.
【０００５】[0005]
【発明が解決しようとする課題】上記従来の車両用転が
り軸受装置において、玉６２，６３、特に他方列の玉６
３に働く荷重は大きい。このため椀形外輪部材７０には
大きな荷重が働くことになるが、上述のように軸部６８
は軽量化のために中空断面に形成されている。従って、
車両の走行に伴なって、軸部６８に歪が生じるおそれが
あった。In the above-mentioned conventional rolling bearing device for a vehicle, balls 62, 63, especially balls 6 in the other row.
The load acting on 3 is large. For this reason, a large load acts on the bowl-shaped outer ring member 70.
Has a hollow cross section to reduce weight. Therefore,
The shaft 68 may be distorted as the vehicle travels.
【０００６】そこで本発明は、上記課題を解決し得る車
両用転がり軸受装置の提供を目的とする。Therefore, an object of the present invention is to provide a rolling bearing device for a vehicle which can solve the above problems.
【０００７】[0007]
【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、車体側に非回転に支持される外輪部材と、この
外輪部材に車両アウタ側列および車両インナ側列の転動
体を介して軸心回りに回転自在に支持された内輪部材と
を備え、この内輪部材が、外周面が車両アウタ側列の転
動体の内輪軌道面とされて、車輪を取付けるための取付
けフランジを有する筒状内輪部材と、外周面が車両イン
ナ側列の転動体の内輪軌道面とされるとともに、前記筒
状内輪部材の中心穴に挿通する軸部を介して筒状内輪部
材と回転一体に組付けられる等速自在継手の椀形外輪部
材とから構成され、前記軸部の内周面の、前記各列の転
動体間の径方向の中心線と車両インナ側列の転動体の接
触角延長線とで囲まれる範囲内に、前記転動体から伝え
られる負荷荷重を支持するための径方向に沿った支持部
材が設けられ、前記軸部における支持部材の少なくとも
車両アウタ側が中空断面とされている。A means for solving the problems in the present invention is to provide an outer ring member which is non-rotatably supported on the vehicle body side, and a shaft which is provided on the outer ring member via rolling elements of a vehicle outer side row and a vehicle inner side row. A cylindrical inner ring having an inner ring member rotatably supported around the center, the outer ring surface being the inner ring raceway surface of the rolling elements of the vehicle outer side row, and having a mounting flange for mounting the wheel. The member and the outer peripheral surface thereof are the inner ring raceway surfaces of the rolling elements of the vehicle inner side row, and are rotatably integrated with the tubular inner ring member via the shaft portion inserted into the central hole of the tubular inner ring member, etc. It is composed of a bowl-shaped outer ring member of a universal joint, and is composed of a radial centerline between rolling elements of each row and a contact angle extension line of rolling elements of the vehicle inner side row on the inner peripheral surface of the shaft portion. Within the enclosed range, load the load transmitted from the rolling element Support member in the radial direction for lifting is provided, at least the vehicle outer side of the support member in the shaft portion is a hollow section.
【０００８】このように、軸部の内周面の、各列の転動
体間の径方向の中心線と、車両インナ側列の転動体の接
触角延長線とで囲まれる範囲内に、径方向に沿った支持
部材を設け、軸部における支持部材の少なくとも車両ア
ウタ側を中空断面としたことによれば、軸部の重量を特
別に大きくすることがないとともに転動体から伝わる荷
重負荷を支持部材で受けて軸部の歪変形を防止すること
ができる。As described above, the diameter of the inner peripheral surface of the shaft portion is defined by the radial center line between the rolling elements in each row and the contact angle extension line of the rolling elements in the vehicle inner side row. By providing a support member along the direction and having a hollow section at least on the vehicle outer side of the support member in the shaft portion, the weight of the shaft portion is not particularly increased and the load load transmitted from the rolling elements is supported. The member can receive and prevent the strain deformation of the shaft portion.
【０００９】また、前記支持部材が軸部の内周面に一体
的に形成されたことによれば、転動体から伝わる荷重負
荷を支持するために特別な部材を設ける必要がない。Further, since the support member is integrally formed on the inner peripheral surface of the shaft portion, it is not necessary to provide a special member for supporting the load load transmitted from the rolling elements.
【００１０】[0010]
【発明の実施の形態】以下、図面に基づいて本発明の実
施の形態に係る車両用転がり軸受装置を説明する。図１
は本発明の第一の実施形態に係る車両用転がり軸受装置
の全体構成を示す断面図である。BEST MODE FOR CARRYING OUT THE INVENTION A rolling bearing device for a vehicle according to an embodiment of the present invention will be described below with reference to the drawings. Figure 1
FIG. 1 is a sectional view showing an overall configuration of a rolling bearing device for a vehicle according to a first embodiment of the present invention.
【００１１】この車両用転がり軸受装置１は、車体側に
非回転に組込まれる外輪部材２と、この外輪部材２に、
冠形保持器（符号省略）によって円周方向等配位置にそ
れぞれ保持された２列の玉（転動体の一例）３，４を介
して軸心５回りに回転自在に支持される内輪部材６とを
備えている。This rolling bearing device 1 for a vehicle includes an outer ring member 2 which is non-rotatably incorporated on the vehicle body side,
An inner ring member 6 rotatably supported around an axis 5 via two rows of balls (an example of rolling elements) 3 and 4 which are respectively held at equal positions in the circumferential direction by a crown-shaped cage (reference numeral omitted). It has and.
【００１２】前記外輪部材２の外周面途中には、径方向
外向きに突出する支持フランジ２１が形成され、この支
持フランジ２１が車体側に組込まれたナックルに結合さ
れることで外輪部材２が車体に非回転に支持される。A support flange 21 is formed in the middle of the outer peripheral surface of the outer ring member 2 so as to project outward in the radial direction, and the support flange 21 is joined to a knuckle incorporated in the vehicle body side to form the outer ring member 2. Non-rotatably supported by the vehicle body.
【００１３】前記内輪部材６は、外周面が一方列（車両
アウタ側）の玉３の内輪軌道面として用いられるハブホ
イール（筒状内輪部材）８と、このハブホイール８の中
心穴にスプライン２５を介して挿通する軸部９を椀形部
１０ａの車両アウタ側に一体形成した等速ジョイント
（等速自在継手）Ｊの椀形外輪部材１０とから構成され
ている。The inner ring member 6 has a hub wheel (cylindrical inner ring member) 8 whose outer peripheral surface is used as an inner ring raceway surface of the balls 3 in one row (vehicle outer side), and a spline 25 in the center hole of the hub wheel 8. And a bowl-shaped outer ring member 10 of a constant velocity joint (constant-velocity universal joint) J in which a shaft portion 9 which is inserted through the shaft is integrally formed on the vehicle outer side of the bowl-shaped portion 10a.
【００１４】この等速ジョイントＪは、ツェッパタイプ
（バーフィールド型）と呼ばれるものが用いられてお
り、前記椀形外輪部材１０と、その内部に、駆動シャフ
ト５０の端部を挿通固定した内輪部５１、前記ハブホイ
ール８を駆動シャフト５０に対して傾動案内するための
玉５２、およびその保持器５３を備えている。This constant velocity joint J uses what is called a Rzeppa type (Burfield type), and the bowl-shaped outer ring member 10 and the inner ring portion 51 in which the end of the drive shaft 50 is inserted and fixed. A ball 52 for tilting and guiding the hub wheel 8 with respect to the drive shaft 50, and a retainer 53 thereof.
【００１５】前記ハブホイール８は、その外周面途中
に、車輪（ブレーキディスクロータおよびタイヤホイー
ル）を取付けるための径方向外向きに突出したハブフラ
ンジ（取付けフランジ）７が形成されている。The hub wheel 8 is formed with a hub flange (mounting flange) 7 protruding radially outward for mounting wheels (brake disc rotor and tire wheel) in the middle of its outer peripheral surface.
【００１６】前記外輪部材２と内輪部材６の間の環状軸
受空間２６を、軸心５方向両側で密封するための密封装
置２７，２８が設けられ、車両インナ側の密封装置２７
は、外輪部材２の内周面に嵌着された芯金２９と、この
芯金２９に固定されて、椀形外輪部材１０の外周曲面に
３箇所で接触するリップ部を有する弾性シール体３１と
を有し、前記芯金２９の外周部は軸心５方向（車両イン
ナ側）に延長されて延長部３２が形成され、椀形外輪部
材１０の外周面に嵌着されて前記延長部３２を囲繞する
ことで延長部３２との間でラビリンス用隙間を形成する
断面コ字形の環体３３を有している。Sealing devices 27 and 28 for sealing the annular bearing space 26 between the outer ring member 2 and the inner ring member 6 on both sides in the direction of the axis 5 are provided, and a sealing device 27 on the vehicle inner side is provided.
Is a cored bar 29 fitted to the inner peripheral surface of the outer ring member 2 and an elastic seal member 31 having a lip portion fixed to the cored bar 29 and contacting the outer peripheral curved surface of the bowl-shaped outer ring member 10 at three points. And an outer peripheral portion of the cored bar 29 is extended in the axial direction 5 (vehicle inner side) to form an extended portion 32, and the extended portion 32 is fitted to the outer peripheral surface of the bowl-shaped outer ring member 10. A ring body 33 having a U-shaped cross section is formed so as to form a labyrinth gap with the extension portion 32 by surrounding it.
【００１７】車両アウタ側の密封装置２８は、外輪部材
２の内周面に嵌着された芯金２９ａと、この芯金２９ａ
に固定されて、ハブホイール８の円筒外周面からハブフ
ランジ７の壁面に連続する湾曲面部分に接触するリップ
部を有する弾性シール体３１ａとから構成されている。The sealing device 28 on the outer side of the vehicle has a cored bar 29a fitted to the inner peripheral surface of the outer ring member 2 and the cored bar 29a.
And an elastic seal body 31a having a lip portion that is fixed to the curved outer peripheral surface of the hub wheel 8 and is in contact with the wall surface of the hub flange 7.
【００１８】前記ハブホイール８の内周面には、雌スプ
ラインが軸心５方向長さのほぼ全域に亙って形成され、
この雌スプラインとほぼ同じ長さで雄スプラインが前記
軸部９の外周面に形成され、この軸部９は、雌スプライ
ンに雄スプラインが圧入されるようにしてハブホイール
８に嵌合（内嵌）され、軸部９の車両アウタ側端部は径
方向外向きに拡径されて、ハブホイール８の端面に対し
てかしめられることで、椀形外輪部材１０とハブホイー
ル８とが軸心５回りに回転一体に連結されている。A female spline is formed on the inner peripheral surface of the hub wheel 8 over substantially the entire length in the direction of the axis 5.
A male spline having substantially the same length as the female spline is formed on the outer peripheral surface of the shaft portion 9. The shaft portion 9 is fitted (internally fitted) to the hub wheel 8 so that the male spline is press-fitted into the female spline. The outer side end portion of the shaft portion 9 on the vehicle outer side is radially outwardly expanded, and the end portion of the hub wheel 8 is caulked, so that the bowl-shaped outer ring member 10 and the hub wheel 8 are aligned with each other. It is connected to rotate around.
【００１９】前記軸部９の内方の、前記各列の玉３，４
間の径方向の中心線ｐ１と他方列の玉４の接触角延長線
ｐ２とで囲まれる範囲内に、玉３，４から伝わる負荷荷
重を支持するための、径方向に沿った支持壁（支持部材
の一例）３５が、軸部９の内周面に一体的に形成され、
前記軸部９における、支持壁３５の車両アウタ側および
車両インナ側は中空断面とされている（支持壁３５の車
両インナ側は切削加工されている）。Balls 3 and 4 in each of the rows inside the shaft portion 9
A support wall along the radial direction for supporting the load load transmitted from the balls 3 and 4 within a range surrounded by the radial center line p1 and the contact angle extension line p2 of the balls 4 in the other row ( An example of a supporting member) 35 is integrally formed on the inner peripheral surface of the shaft portion 9,
In the shaft portion 9, the vehicle outer side and the vehicle inner side of the support wall 35 have a hollow cross section (the vehicle inner side of the support wall 35 is cut).
【００２０】また前記支持壁３５は、その外径側すなわ
ち基部３５ａの幅（軸心５方向の長さ）が最も広く、軸
心５に近付くに従って順次幅が狭くなるよう形成され、
支持壁３５の軸心５方向の中心でかつ径方向の中心に位
置する中心部３５ｂが最も狭い幅に形成されることで、
車両用転がり軸受装置１の重量を増加させないような形
状に形成されている。なお、この実施形態では支持壁３
５の基部３５ａの車両アウタ側は、前記中心線ｐ１と接
触角延長線ｐ２とで囲まれる範囲からわずかにはみ出て
いるが、支持壁３５の実質的な支持力に悪影響を与える
ことはない。Further, the support wall 35 is formed such that the outer diameter side thereof, that is, the width of the base portion 35a (the length in the direction of the axis 5) is the widest, and the width becomes gradually narrower as it approaches the axis 5.
Since the central portion 35b located at the center of the support wall 35 in the direction of the axis 5 and in the center of the radial direction is formed to have the narrowest width,
It is formed in a shape that does not increase the weight of the vehicle rolling bearing device 1. In this embodiment, the support wall 3
The vehicle outer side of the base portion 35a of 5 slightly protrudes from the range surrounded by the center line p1 and the contact angle extension line p2, but does not adversely affect the substantial support force of the support wall 35.
【００２１】上記構成において、図示しない駆動力伝達
軸が駆動すると、その駆動力が椀形外輪部材１０（等速
ジョイントＪ）に伝達され、これに回転一体に取付けら
れたハブホイール８が軸心５回りに回転し、車輪が回転
する。In the above structure, when a driving force transmission shaft (not shown) is driven, the driving force is transmitted to the bowl-shaped outer ring member 10 (constant velocity joint J), and the hub wheel 8 mounted integrally with the shaft is rotated. The wheel rotates about 5 times.
【００２２】ところで、このような車両用転がり軸受装
置１では、両列の玉３，４のうち特に他方列の玉４に大
きな負荷荷重が働く。そこで椀形外輪部材１０の軸部９
を形成する際に、各列の玉３，４間の径方向の中心線ｐ
１と他方列の玉４の接触角延長線ｐ２とで囲まれる範囲
内に支持壁３５が残るように旋削加工する。なおこの支
持壁３５は、他方列の玉４の中心を通る径方向面上にほ
ぼ一致する。In the rolling bearing device 1 for a vehicle as described above, a large load is applied to the balls 3 in both rows, particularly the balls 4 in the other row. Therefore, the shaft portion 9 of the bowl-shaped outer ring member 10
When forming the ball, the radial center line p between the balls 3 and 4 in each row is formed.
Turning is performed so that the support wall 35 remains within a range surrounded by 1 and the contact angle extension line p2 of the balls 4 in the other row. The support wall 35 substantially coincides with the radial surface passing through the centers of the balls 4 in the other row.
【００２３】このような位置に支持壁３５を形成するこ
とにより、両列の玉３，４のうち特に他方列の玉４に大
きな負荷荷重が働いた場合であっても、この支持壁３５
の支持力により、椀形外輪部材１０に歪が生じるのを防
止することができ、玉３，４の転動を円滑に行い得る。
また軸部９には支持壁３５を残してその両側は中空断面
であるので、椀形外輪部材１０の重量が著しく増加する
のが抑えられており、これにより内輪部材６の回転トル
クを特に大きくすることもない。By forming the support wall 35 at such a position, even when a large load is applied to the balls 3 in both rows, particularly the ball 4 in the other row, the support wall 35 is formed.
With the supporting force of 1, the bowl-shaped outer ring member 10 can be prevented from being distorted, and the balls 3 and 4 can be smoothly rolled.
Further, the support wall 35 is left on the shaft portion 9 and the both sides thereof have a hollow cross section, so that the weight of the bowl-shaped outer ring member 10 is prevented from significantly increasing, whereby the rotational torque of the inner ring member 6 is particularly increased. There is nothing to do.
【００２４】さらにこの支持壁３５によって、椀形外輪
部材１０の椀形部１０ａ内の潤滑剤が外部（車両アウタ
側）に漏れるのを防止することができる。Further, the support wall 35 can prevent the lubricant in the bowl-shaped portion 10a of the bowl-shaped outer ring member 10 from leaking to the outside (vehicle outer side).
【００２５】次に本発明の第二の実施形態を、図２の断
面図に基づいて説明する。この車両用転がり軸受装置１
が、上記第一の実施形態に係る車両用転がり軸受装置１
と異なる構成を説明する。上記第一の実施形態に係る車
両用転がり軸受装置１では、支持壁３５は、他方列の玉
４の中心を通る径方向面上にほぼ一致する位置に形成し
たが、本発明の第二の実施形態における車両用転がり軸
受装置１では、支持壁３５の外径側の基部３５ａ、およ
び中心部３５ｂの全てが各列の玉３，４間の径方向の中
心線ｐ１と、他方列の玉４の接触角延長線ｐ２とで囲ま
れる範囲内に位置している点で異なる。他の構成は上記
第一の実施形態と同様であるので、同一の符号を付して
その説明を省略する。Next, a second embodiment of the present invention will be described based on the sectional view of FIG. This rolling bearing device for vehicle 1
However, the rolling bearing device for a vehicle 1 according to the first embodiment described above.
A different configuration will be described. In the rolling bearing device for a vehicle 1 according to the first embodiment described above, the support wall 35 is formed at a position that substantially coincides with the radial surface that passes through the center of the balls 4 in the other row. In the rolling bearing device 1 for a vehicle according to the embodiment, the base portion 35a on the outer diameter side of the support wall 35 and the central portion 35b are all the radial centerline p1 between the balls 3 and 4 in each row, and the balls in the other row. The difference is that it is located within a range surrounded by the contact angle extension line p2 of FIG. Since other configurations are similar to those of the first embodiment, the same reference numerals are given and the description thereof is omitted.
【００２６】そしてこの構成によれば、上記第一の実施
形態の場合に比べて基部３５ａの幅を狭くしてあって
も、支持壁３５の実質的な支持力に悪影響を与えること
なく軽量化することができる。他の作用効果は上記第一
の実施形態と同様であるので、その説明を省略する。With this configuration, even if the width of the base portion 35a is narrower than that in the case of the first embodiment, the weight is reduced without adversely affecting the substantial supporting force of the supporting wall 35. can do. Other functions and effects are similar to those of the first embodiment described above, and therefore description thereof will be omitted.
【００２７】なお、本発明は上記実施形態に限定される
ものではない。例えば、上記各実施形態では、支持壁３
５は軸部９における車両インナ側および車両アウタ側の
内部を旋削加工して一部を残すことで形成したが、これ
に限定されるものではない。すなわち、軸部９を全て中
空断面に形成（切削加工）し、各列の玉３，４間の径方
向の中心線ｐ１と他方列の玉４の接触角延長線ｐ２とで
囲まれる範囲内に、可及的に軽量で充分な支持力を有す
る、軸部９とは別部材の例えば円板状に形成した支持壁
３５を軸部９に嵌着（内嵌）するようにしてもよい。こ
の場合も上記各実施形態と同様の作用効果を奏し得る。The present invention is not limited to the above embodiment. For example, in the above embodiments, the support wall 3
5 is formed by turning the inside of the shaft portion 9 on the vehicle inner side and the vehicle outer side and leaving a part thereof, but the invention is not limited to this. That is, all the shaft portions 9 are formed (cut) into a hollow cross section, and within a range surrounded by the radial centerline p1 between the balls 3 and 4 in each row and the contact angle extension line p2 of the balls 4 in the other row. In addition, a support wall 35, which is as light as possible and has a sufficient supporting force, which is a member different from the shaft portion 9 and which is formed in a disc shape, for example, may be fitted (internally fitted) to the shaft portion 9. . In this case as well, the same operational effect as each of the above-described embodiments can be obtained.
【００２８】[0028]
【発明の効果】以上の説明から明らかな通り、本発明
は、車体側に支持される外輪部材に車両アウタ側列およ
び車両インナ側列の転動体を介して回転自在に支持され
た内輪部材を備え、内輪部材を、車両アウタ側列の転動
体の内輪軌道面を有して車輪を取付けるための筒状内輪
部材と、車両インナ側列の転動体の内輪軌道面を有する
とともに筒状内輪部材の中心穴に挿通する軸部を介して
筒状内輪部材と回転一体に組付けられる椀形外輪部材と
から構成し、軸部の内周面の、各列の転動体間の径方向
の中心線と車両インナ側列の転動体の接触角延長線とで
囲まれる範囲内に径方向に沿った支持部材を設け、軸部
における支持部材の少なくとも車両アウタ側を中空断面
としたので、軸部の重量を特別に大きくすることがない
とともに転動体から伝わる荷重負荷を支持部材で受けて
軸部の歪変形を防止することができ、転動体の転動を長
期に亙って円滑に行い得る。As is apparent from the above description, the present invention provides an inner ring member rotatably supported by an outer ring member supported on the vehicle body side through rolling elements of the vehicle outer side row and the vehicle inner side row. And a tubular inner ring member having an inner ring raceway surface of the rolling elements of the vehicle outer side row for mounting the wheels and an inner raceway surface of the rolling elements of the vehicle inner side row and having an inner ring raceway surface of the rolling elements. A cylindrical inner ring member and a bowl-shaped outer ring member that is integrally assembled with the cylindrical inner ring member through a shaft portion that is inserted into the center hole of the shaft, and the radial center of the inner peripheral surface of the shaft portion between the rolling elements in each row. The support member along the radial direction is provided within the range surrounded by the line and the contact angle extension line of the rolling element of the vehicle inner side row, and at least the vehicle outer side of the support member in the shaft portion has a hollow cross section. It does not increase the weight of the Receiving Waru load load supporting member can be prevented strain deformation of the shaft portion may smoothly performed rolling over the rolling of the moving object in time.
【図１】 本発明の第一の実施形態を示す車両用転がり
軸受装置の断面図である。FIG. 1 is a sectional view of a rolling bearing device for a vehicle showing a first embodiment of the present invention.
【図２】 本発明の第二の実施形態を示す車両用転がり
軸受装置の断面図である。FIG. 2 is a sectional view of a rolling bearing device for a vehicle showing a second embodiment of the present invention.
【図３】 従来の車両用転がり軸受装置の断面図であ
る。FIG. 3 is a sectional view of a conventional rolling bearing device for a vehicle.
１ 車両用転がり軸受装置 ２ 外輪部材 ４ 玉 ６ 内輪部材 ８ ハブホイール ９ 軸部 １０ 椀形外輪部材 ｐ１ 各列の玉間の径方向の中心線 ｐ２ 他方列の玉の接触角延長線 ３５ 支持壁 ３５ａ 支持壁の基部 ３５ｂ 支持壁の中心部 1 Rolling bearing device for vehicles 2 Outer ring member 4 balls 6 Inner ring member 8 hub wheels 9 Shaft 10 Bowl-shaped outer ring member p1 Radial center line between balls in each row p2 Contact angle extension line for balls in the other row 35 Support wall 35a Base of support wall 35b Center of support wall
Claims (2)
と、この外輪部材に車両アウタ側列および車両インナ側
列の転動体を介して軸心回りに回転自在に支持された内
輪部材とを備え、この内輪部材が、外周面が車両アウタ
側列の転動体の内輪軌道面とされて、車輪を取付けるた
めの取付けフランジを有する筒状内輪部材と、外周面が
車両インナ側列の転動体の内輪軌道面とされるととも
に、前記筒状内輪部材の中心穴に挿通する軸部を介して
筒状内輪部材と回転一体に組付けられる等速自在継手の
椀形外輪部材とから構成された車両転がり軸受装置であ
って、 前記軸部の内周面の、前記各列の転動体間の径方向の中
心線と車両インナ側列の転動体の接触角延長線とで囲ま
れる範囲内に、前記転動体から伝えられる負荷荷重を支
持するための径方向に沿った支持部材が設けられ、前記
軸部における支持部材の少なくとも車両アウタ側が中空
断面とされたことを特徴とする車両用転がり軸受装置。1. An outer ring member which is non-rotatably supported on the vehicle body side, and an inner ring member which is rotatably supported on the outer ring member via rolling elements of a vehicle outer side row and a vehicle inner side row about an axis. The inner ring member has a cylindrical inner ring member whose outer peripheral surface is an inner ring raceway surface of a rolling element of the vehicle outer side row and has a mounting flange for mounting a wheel, and an outer peripheral surface of the vehicle inner side row. A bowl-shaped outer ring member of a constant velocity universal joint, which is the inner ring raceway surface of the moving body and is rotatably integrated with the tubular inner ring member via a shaft portion which is inserted into the central hole of the tubular inner ring member. A rolling bearing device for a vehicle, within a range surrounded by a radial centerline between rolling elements of each row and a contact angle extension line of rolling elements of the vehicle inner side row on the inner peripheral surface of the shaft portion. The diameter for supporting the load transmitted from the rolling elements. Provided support member along the direction, the vehicle rolling bearing device, wherein at least the vehicle outer side is a hollow section of the support member in the shaft portion.
されたことを特徴とする請求項１記載の車両用転がり軸
受装置。2. The rolling bearing device for a vehicle according to claim 1, wherein the support member is integrally formed on the inner peripheral surface of the shaft portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001343159A JP3991655B2 (en) | 2001-11-08 | 2001-11-08 | Rolling bearing device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001343159A JP3991655B2 (en) | 2001-11-08 | 2001-11-08 | Rolling bearing device for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003146004A true JP2003146004A (en) | 2003-05-21 |
| JP3991655B2 JP3991655B2 (en) | 2007-10-17 |
Family
ID=19156901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001343159A Expired - Fee Related JP3991655B2 (en) | 2001-11-08 | 2001-11-08 | Rolling bearing device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3991655B2 (en) |
-
2001
- 2001-11-08 JP JP2001343159A patent/JP3991655B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3991655B2 (en) | 2007-10-17 |
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