JPH1123593A - Revolving speed detecting device for wheel bearing device - Google Patents
Revolving speed detecting device for wheel bearing deviceInfo
- Publication number
- JPH1123593A JPH1123593A JP9187680A JP18768097A JPH1123593A JP H1123593 A JPH1123593 A JP H1123593A JP 9187680 A JP9187680 A JP 9187680A JP 18768097 A JP18768097 A JP 18768097A JP H1123593 A JPH1123593 A JP H1123593A
- Authority
- JP
- Japan
- Prior art keywords
- seal ring
- ring
- raceway
- flange portion
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
-
- 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
- F16C19/185—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 with two raceways provided integrally on a part other than a race ring, e.g. a shaft or 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、自動車のホイー
ル用軸受装置の回転速度検出装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for detecting a rotational speed of a bearing device for a vehicle wheel.
【０００２】[0002]
【従来の技術】一般にホイール用軸受装置としては、例
えば図１に示すように、図示しない車輪と一体に連結す
る外輪１と、この外輪１と対向し固定軸３に嵌合固定し
た内輪２と、内外輪２，１間に介在させた転動体４と、
内外輪２，１間の両端部に配置したシール装置５，６と
を有している。2. Description of the Related Art In general, as a wheel bearing device, for example, as shown in FIG. 1, an outer ring 1 integrally connected to a wheel (not shown) and an inner ring 2 opposed to the outer ring 1 and fitted and fixed to a fixed shaft 3 are provided. A rolling element 4 interposed between the inner and outer rings 2, 1;
And sealing devices 5 and 6 disposed at both ends between the inner and outer rings 2 and 1.
【０００３】従来、この一方のシール装置５は、図３に
示すように、外輪１の軌道面側の周面７に固定する円筒
部３０ａとこの円筒部３０ａから延出するフランジ部３
０ｂとを有する金属性の断面略Ｌ形のシール環体３０か
らなり、このフランジ部３０ｂの端部には内輪２の周面
８と接触するゴムリップ３０ｃを一体的に装着してい
る。そして、上記フランジ部３０ｂには円周方向等間隔
に複数の通孔３１を形成し、パルサーリング３２として
いる。さらに図示しない固定側部材にセンサ３３を上記
パルサーリング３２に対向するよう固定している。この
パルサーリング３２とセンサー３３とで回転速度検出装
置を構成している。Conventionally, as shown in FIG. 3, one sealing device 5 includes a cylindrical portion 30a fixed to a peripheral surface 7 on the raceway surface side of the outer race 1 and a flange portion 3 extending from the cylindrical portion 30a.
0b, and a seal ring body 30 having a substantially L-shaped cross section and having a rubber lip 30c in contact with the peripheral surface 8 of the inner ring 2 is integrally attached to an end of the flange portion 30b. A plurality of through holes 31 are formed in the flange portion 30b at equal intervals in the circumferential direction to form a pulsar ring 32. Further, a sensor 33 is fixed to a stationary member (not shown) so as to face the pulsar ring 32. The pulsar ring 32 and the sensor 33 constitute a rotation speed detecting device.
【０００４】[0004]
【発明が解決しようとする課題】図３における従来のホ
イール用軸受装置の回転速度検出装置においては、セン
サー３３とパルサーリング３２間のギャップ公差は、ギ
ャップに影響を及ぼす取付寸法許容差で決定されるが、
ある一定量の出力を確保しようとしてもそれが得られな
い場合、ギャップ公差の調整ができず、センサー自体の
サイズアップが必要となり、ホイール用軸受装置のコン
パクト化が阻害されるという問題がある。なお、上記の
ギャップに影響を及ぼす取付寸法とは、具体的には、セ
ンサー取付寸法、パルサーリングすなわちシール環体の
取付寸法および軸受取付寸法をいう。In the conventional rotational speed detecting device for a wheel bearing device shown in FIG. 3, the gap tolerance between the sensor 33 and the pulsar ring 32 is determined by a mounting dimension tolerance that affects the gap. But
If a certain amount of output cannot be obtained even if it is ensured, the gap tolerance cannot be adjusted, the size of the sensor itself needs to be increased, and the compactness of the wheel bearing device is hindered. The mounting dimensions affecting the gap specifically refer to the sensor mounting dimensions, the mounting dimensions of the pulsar ring, that is, the seal ring, and the bearing mounting dimensions.
【０００５】そこで、この発明の目的は、パルサーリン
グとセンサー間のギャップ調整が可能なホイール用軸受
装置の回転速度検出装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a rotational speed detecting device for a wheel bearing device capable of adjusting a gap between a pulsar ring and a sensor.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
の手段として、請求項１の発明は、車輪と一体に連結す
る回転側軌道輪と、この回転側軌道輪と対向する固定側
軌道輪と、両軌道輪間に介在させた転動体と、両軌道輪
間の一端部に配置したシール装置、パルサーリングおよ
びセンサーとを有するホイール用軸受装置の回転速度検
出装置において、上記シール装置は、回転側軌道輪の軌
道面側の周面に軸方向移動可能に圧入固定する円筒部と
この円筒部から延出するフランジ部とを有する断面略Ｌ
形の第１シール環体と、固定側軌道輪の軌道面側の周面
に軸方向に移動可能に圧入固定する円筒部とこの円筒部
から延出するフランジ部とを有する断面略Ｌ形の第２シ
ール環体とからなり、上記両シール環体の円筒部および
フランジ部をそれぞれ対向させるとともに、上記第１シ
ール環体のフランジ部にパルサーリングを設け、上記第
２シール環体のフランジ部に上記パルサーリングに対向
するセンサーを設けたことを特徴とする。Means for Solving the Problems As means for solving the above-mentioned problems, the invention of claim 1 includes a rotating-side bearing ring integrally connected to a wheel, and a fixed-side bearing ring opposed to the rotating-side bearing ring. And a rolling element interposed between the two bearing rings, a seal device disposed at one end between the two bearing rings, a rotation speed detection device for a wheel bearing device having a pulsar ring and a sensor, wherein the sealing device includes: A cross-section substantially L having a cylindrical portion which is press-fitted and fixed to the circumferential surface on the raceway surface side of the rotating raceway so as to be movable in the axial direction, and a flange portion extending from the cylindrical portion.
A substantially L-shaped cross-section having a first seal ring having a shape, a cylindrical portion which is press-fitted and fixed to the circumferential surface of the fixed raceway side on the raceway surface side so as to be movable in the axial direction, and a flange portion extending from the cylindrical portion. A cylindrical portion and a flange portion of the two seal rings are opposed to each other, and a pulsar ring is provided on the flange portion of the first seal ring, and a flange portion of the second seal ring is provided. And a sensor opposed to the pulsar ring is provided.
【０００７】また、請求項２の発明では、上記第１シー
ル環体のフランジ部の端部に、回転側軌道輪の周面に直
接接触する弾性リップを装着したことを特徴とする。According to a second aspect of the present invention, an elastic lip is provided at an end of the flange portion of the first seal ring so as to be in direct contact with the peripheral surface of the rotating raceway.
【０００８】[0008]
【発明の実施の形態】以下、この発明の具体的実施例に
ついて図面を参照して説明する。なお、図１の一般のホ
イール用軸受装置の重複説明は省略する。図２は、この
発明にかかる一実施例であり、一方のシール装置５は、
回転側である外輪１の軌道面側の周面７に軸方向移動可
能に圧入固定する円筒部１０ａとこの円筒部１０ａから
延出するフランジ部１０ｂとを有する断面略Ｌ形の第１
シール環体１０と、固定側である内輪２の軌道面側の周
面８に軸方向に移動可能に圧入固定する円筒部１１ａと
この円筒部１１ａから延出するフランジ部１１ｂとを有
する断面略Ｌ形の第２シール環体１１とからなり、上記
両シール環体１０，１１の円筒部１０ａ，１１ａおよび
フランジ部１０ｂ，１１ｂをそれぞれ対向させている。
すなわち、上記外輪１の周面７および内輪２の周面８は
同一径で形成されており、上記両シール環体１０，１１
の各円筒部１０ａ，１１ａは各周面７，８への圧入時、
軸方向に移動位置が制限されることがない。また、第２
シール環体１１のフランジ部１１ｂの外径は、第１シー
ル環体１０の円筒部１０ａの内径より小さい。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. In addition, the overlapping description of the general wheel bearing device of FIG. 1 will be omitted. FIG. 2 shows an embodiment according to the present invention.
A first portion having a substantially L-shaped cross-section including a cylindrical portion 10a that is axially movably press-fitted and fixed to a circumferential surface 7 on the raceway surface side of the outer race 1 that is a rotating side and a flange portion 10b that extends from the cylindrical portion 10a.
A substantially cross-sectional view including a seal ring 10, a cylindrical portion 11 a that is axially movably press-fitted and fixed to a peripheral surface 8 on the raceway surface side of the inner race 2, which is a fixed side, and a flange portion 11 b extending from the cylindrical portion 11 a. It comprises an L-shaped second seal ring 11, and the cylindrical portions 10a, 11a and the flanges 10b, 11b of the two seal rings 10, 11 are opposed to each other.
That is, the peripheral surface 7 of the outer ring 1 and the peripheral surface 8 of the inner ring 2 are formed with the same diameter, and the two seal rings 10 and 11 are formed.
The respective cylindrical portions 10a and 11a are press-fitted into the respective peripheral surfaces 7 and 8,
The movement position is not restricted in the axial direction. Also, the second
The outer diameter of the flange portion 11b of the seal ring 11 is smaller than the inner diameter of the cylindrical portion 10a of the first seal ring 10.
【０００９】また、上記第１シール環体１０のフランジ
部１０ｂには、円周方向等間隔に複数の通孔１２を形成
してパルサーリング１３を構成している。さらに、上記
第２シール環体１１のフランジ部１１ｂには、上記パル
サーリング１３に対向してセンサー１４を固定してあ
る。A plurality of through holes 12 are formed in the flange portion 10b of the first seal ring 10 at equal intervals in the circumferential direction to form a pulsar ring 13. Further, a sensor 14 is fixed to the flange portion 11 b of the second seal ring 11 so as to face the pulsar ring 13.
【００１０】さらに、上記第１シール環体１０のフラン
ジ部１０ｂの端部に、内輪２の周面８に直接接触する弾
性リップ１５を装着して密封性を向上させている。Further, an elastic lip 15 which is in direct contact with the peripheral surface 8 of the inner ring 2 is attached to the end of the flange portion 10b of the first seal ring 10 to improve the sealing performance.
【００１１】次に、本発明の回転速度検出装置の組み付
けについて説明する。第１シール環体１０の円筒部１０
ａを治具にて外輪１の周面７の所定位置に圧入固定し、
その後第２シール環体１１のフランジ部１１ｂを治具に
て内輪２の周面８の所定位置に圧入固定する。その後、
検出装置の出力チェックをし、出力が大きすぎる場合に
は第１シール環体１０の円筒部１０ａを治具にて軸受内
部側に押し込み、パルサーリング１３とセンサー１４間
の距離を調整して適正出力を得られるようにする。逆に
出力が小さすぎる場合には第２シール環体１１のフラン
ジ部１１ｂを治具にて軸受内部側に押し込み、パルサー
リング１３とセンサー１４間の距離を調整して適正出力
を得られるようにする。Next, the assembly of the rotation speed detecting device of the present invention will be described. Cylindrical part 10 of first seal ring 10
a is press-fitted and fixed at a predetermined position on the peripheral surface 7 of the outer race 1 with a jig,
Thereafter, the flange portion 11b of the second seal ring 11 is press-fitted and fixed at a predetermined position on the peripheral surface 8 of the inner race 2 by a jig. afterwards,
The output of the detection device is checked. If the output is too large, the cylindrical portion 10a of the first seal ring 10 is pushed into the bearing inside with a jig, and the distance between the pulsar ring 13 and the sensor 14 is adjusted to be appropriate. Get output. Conversely, when the output is too small, the flange portion 11b of the second seal ring 11 is pushed into the bearing inside with a jig, and the distance between the pulsar ring 13 and the sensor 14 is adjusted so that an appropriate output can be obtained. I do.
【００１２】[0012]
【発明の効果】以上詳述したように、パルサーリングと
センサー間のギャップ調整がセンサー自体のサイズ調整
によらず、容易にかつ確実に適正出力が常に得られると
ともに、軸受内にセンサーを組み込んだため、軸受装置
のコンパクト化が可能となる。As described in detail above, the gap between the pulsar ring and the sensor is adjusted independently of the size of the sensor itself, and a proper output is easily and reliably obtained, and the sensor is incorporated in the bearing. Therefore, the bearing device can be made compact.
【図１】一般のホイール用軸受装置の断面図である。FIG. 1 is a cross-sectional view of a general wheel bearing device.
【図２】本発明のホイール用軸受装置の回転速度検出装
置の断面図である。FIG. 2 is a sectional view of a rotation speed detecting device of the wheel bearing device of the present invention.
【図３】従来のホイール用軸受装置の回転速度検出装置
の断面図である。FIG. 3 is a cross-sectional view of a rotation speed detecting device of a conventional wheel bearing device.
１ 外輪 ２ 内輪 ４ 転動体 ５ シール装置 ７ 外輪周面 ８ 内輪周面 １０ 第１シール環体 １０ａ 円筒部 １０ｂ フランジ部 １１ 第２シール環体 １１ａ 円筒部 １１ｂ フランジ部 １３ パルサーリング １４ センサー DESCRIPTION OF SYMBOLS 1 Outer ring 2 Inner ring 4 Rolling element 5 Sealing device 7 Outer ring peripheral surface 8 Inner ring peripheral surface 10 First seal ring 10a Cylindrical part 10b Flange part 11 Second seal ring 11a Cylindrical part 11b Flange part 13 Pulser ring 14 Sensor
Claims (2)
この回転側軌道輪と対向する固定側軌道輪と、両軌道輪
間に介在させた転動体と、両軌道輪間の一端部に配置し
たシール装置、パルサーリングおよびセンサーとを有す
るホイール用軸受装置の回転速度検出装置において、上
記シール装置は、回転側軌道輪の軌道面側の周面に軸方
向移動可能に圧入固定する円筒部とこの円筒部から延出
するフランジ部とを有する断面略Ｌ形の第１シール環体
と、固定側軌道輪の軌道面側の周面に軸方向に移動可能
に圧入固定する円筒部とこの円筒部から延出するフラン
ジ部とを有する断面略Ｌ形の第２シール環体とからな
り、上記両シール環体の円筒部およびフランジ部をそれ
ぞれ対向させるとともに、上記第１シール環体のフラン
ジ部にパルサーリングを設け、上記第２シール環体のフ
ランジ部に上記パルサーリングに対向するセンサーを設
けたことを特徴とするホイール用軸受装置の回転速度検
出装置。1. A rotating raceway that is integrally connected to a wheel;
A bearing device for a wheel including a fixed raceway opposed to the rotating raceway, a rolling element interposed between the raceways, and a seal device, a pulsar ring and a sensor disposed at one end between the raceways. In the rotation speed detecting device, the sealing device has a cylindrical section substantially press-fitted and fixed to the circumferential surface of the rotating raceway side on the raceway surface side so as to be axially movable, and a flange extending from the cylindrical section. A substantially L-shaped cross-section having a first seal ring having a shape, a cylindrical portion which is press-fitted and fixed to the circumferential surface of the fixed raceway side on the raceway surface side so as to be movable in the axial direction, and a flange portion extending from the cylindrical portion. A cylindrical portion and a flange portion of the two seal rings are opposed to each other, and a pulsar ring is provided on the flange portion of the first seal ring, and a flange portion of the second seal ring is provided. Above pal Rotational speed detecting device of the wheel bearing apparatus characterized in that a facing sensor-ring.
に、回転側軌道輪の周面に直接接触する弾性リップを装
着したことを特徴とする請求項１に記載のホイール用軸
受装置の回転速度検出装置。2. The wheel bearing device according to claim 1, wherein an elastic lip is provided at an end of the flange portion of the first seal ring so as to be in direct contact with the peripheral surface of the rotating raceway. Rotation speed detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9187680A JPH1123593A (en) | 1997-06-27 | 1997-06-27 | Revolving speed detecting device for wheel bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9187680A JPH1123593A (en) | 1997-06-27 | 1997-06-27 | Revolving speed detecting device for wheel bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1123593A true JPH1123593A (en) | 1999-01-29 |
Family
ID=16210269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9187680A Pending JPH1123593A (en) | 1997-06-27 | 1997-06-27 | Revolving speed detecting device for wheel bearing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1123593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267509B1 (en) * | 1998-07-03 | 2001-07-31 | Koyo Seiko Co., Ltd. | Wheel bearing device |
-
1997
- 1997-06-27 JP JP9187680A patent/JPH1123593A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267509B1 (en) * | 1998-07-03 | 2001-07-31 | Koyo Seiko Co., Ltd. | Wheel bearing device |
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