JP2011038826A - Roller bearing system for wheel - Google Patents

Roller bearing system for wheel Download PDF

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JP2011038826A
JP2011038826A JP2009184514A JP2009184514A JP2011038826A JP 2011038826 A JP2011038826 A JP 2011038826A JP 2009184514 A JP2009184514 A JP 2009184514A JP 2009184514 A JP2009184514 A JP 2009184514A JP 2011038826 A JP2011038826 A JP 2011038826A
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sensor
fixing member
vehicle speed
slide
speed sensor
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Yoshiaki Masuda
善紀 増田
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JTEKT Corp
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JTEKT Corp
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Priority to JP2009184514A priority Critical patent/JP2011038826A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/80Labyrinth sealings
    • F16C33/805Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/007Encoders, e.g. parts with a plurality of alternating magnetic poles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14Bearings 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
    • F16C19/18Bearings 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
    • F16C19/181Bearings 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
    • F16C19/183Bearings 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
    • F16C19/184Bearings 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
    • F16C19/186Bearings 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 three raceways provided integrally on parts other than race rings, e.g. third generation hubs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00Articles relating to transporting
    • F16C2326/01Parts of vehicles in general
    • F16C2326/02Wheel hubs or castors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roller bearing system for a wheel which enables accurate positioning and firm fixing of a separate vehicle speed sensor to a sensor fixing member fixed to an outer ring member. <P>SOLUTION: The system includes the outer ring member 40, an inner ring member 31 and rolling elements 43 and 44. An encoder 60 is attached to the inner ring member 31 and the sensor fixing member 70 is attached to the outer ring member 40. The vehicle speed sensor 61 is attached to the sensor fixing member 70. The vehicle speed sensor 61 has a sensor body 62, a slide part 65, and an attaching part 66. The sensor fixing member 70 has a rail part 80 which is fitted on the slide part 65 and guides the vehicle speed sensor 61 to a slide end position and a fixing part 82 being opposite to the attaching part 66. In a state wherein the slide part 65 and the rail part 80 are fitted on each other at the slide end position, the attaching part 66 is fastened to the fixing part 82 by a fastener 91, and thereby the vehicle speed sensor 61 is positioned and fixed to the sensor fixing member 70. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

この発明は車輪用転がり軸受装置に関する。   The present invention relates to a wheel rolling bearing device.

従来、車体側部材に組み付けられる外輪部材と、車軸側に組み付けられる内輪部材と、外輪部材と内輪部材との間に転動可能に配置される転動体とを備えた車輪用転がり軸受装置において、内輪部材の一端部外周面に、周方向に磁気特性が交互に変化するように着磁されたエンコーダが組み付けられ、外輪部材の一端部外周面に圧入固定されるカバー部材の弾性押圧片によって、エンコーダに対応する車速センサが弾性的に取り付けられる構造のものがある。
しかしながら、車速センサを弾性押圧片によって弾性的に取り付ける構造のものにおいては、車両走行時の振動や熱変形等によって、車速センサにがたつきが発生しやすく、車速センサによるエンコーダの被検出部の検出に悪影響を及ぼすことがある。
エンコーダの被検出部の検出を安定化するために、例えば、特許文献1に開示された構造の車輪用転がり軸受装置が知られている。
これにおいては、外輪部材の一端部外周面に圧入固定される固定筒部を有するカバー部材の底部に、車速センサが包埋された合成樹脂製の保持部が結合されている。
Conventionally, in a wheel rolling bearing device including an outer ring member assembled to a vehicle body side member, an inner ring member assembled to an axle side, and a rolling element arranged to roll between the outer ring member and the inner ring member, By an elastic pressing piece of a cover member, which is assembled to an outer peripheral surface of one end portion of the inner ring member, an encoder magnetized so that the magnetic characteristics alternately change in the circumferential direction, and press-fitted and fixed to the outer peripheral surface of one end portion of the outer ring member, There is a structure in which a vehicle speed sensor corresponding to an encoder is elastically attached.
However, in the structure in which the vehicle speed sensor is elastically attached by the elastic pressing piece, the vehicle speed sensor is likely to be rattled due to vibration or thermal deformation when the vehicle travels, and the detected part of the encoder detected by the vehicle speed sensor May adversely affect detection.
In order to stabilize the detection of the detected portion of the encoder, for example, a wheel rolling bearing device having a structure disclosed in Patent Document 1 is known.
In this case, a synthetic resin holding portion in which a vehicle speed sensor is embedded is coupled to the bottom of a cover member having a fixed cylinder portion that is press-fitted and fixed to the outer peripheral surface of one end portion of the outer ring member.

特開2006−300800号公報JP 2006-300800 A

ところで、車輪用転がり軸受装置は、異なる車種に対応してそれぞれ製作され、外輪部材の外径寸法も異なる。
このため、特許文献1に開示されたものにおいては、各種の外輪部材の外径寸法に対応する内径寸法をもつ固定筒部を有する多種類のカバー部材の底部に、車速センサが包埋された合成樹脂製の保持部を結合した多種類の車速センサ付きカバー部材を製作しなければならず、車速センサ付きカバー部材の製作コストが高くなる。
By the way, the rolling bearing device for wheels is manufactured corresponding to different vehicle types, and the outer diameter of the outer ring member is also different.
For this reason, in what was disclosed by patent document 1, the vehicle speed sensor was embedded in the bottom part of many types of cover members which have the fixed cylinder part which has an internal diameter dimension corresponding to the outer diameter dimension of various outer ring members. Many types of cover members with a vehicle speed sensor must be manufactured by combining synthetic resin holding parts, and the manufacturing cost of the cover member with a vehicle speed sensor increases.

この発明の目的は、前記問題点に鑑み、外輪部材の一端部外周面に圧入固定される固定筒部を有するセンサ固定部材に対し、別体の車速センサを正確に位置決めして強固に固定することができる車輪用転がり軸受装置を提供することである。   In view of the above problems, an object of the present invention is to accurately position and firmly fix a separate vehicle speed sensor with respect to a sensor fixing member having a fixed cylinder portion that is press-fitted and fixed to the outer peripheral surface of one end portion of the outer ring member. It is to provide a rolling bearing device for a wheel that can be used.

前記課題を解決するために、この発明の請求項1に係る車輪用転がり軸受装置は、車体側部材に組み付けられる外輪部材と、車軸側に組み付けられる内輪部材と、前記外輪部材と前記内輪部材との間に転動可能に配置される転動体とを備え、前記内輪部材の一端部外周面に、周方向に磁気特性が交互に変化するように着磁されたエンコーダが組み付けられ、前記外輪部材の一端部外周面に、センサ固定部材が組み付けられ、前記センサ固定部材に、前記エンコーダに対応する車速センサが取り付けられた車輪用転がり軸受装置であって、
前記車速センサは、前記エンコーダの非検出部を検出可能な検出部を有する検出機構が内設されたセンサ本体と、このセンサ本体の両側部に形成されたスライド部と、前記センサ本体に一体状に設けられた取付部とを有し、
前記センサ固定部材は、前記外輪部材の一端部外周面に圧入固定される固定筒部と、前記スライド部にスライド可能に嵌合して前記車速センサをスライド端位置まで案内するレール部と、前記車速センサがスライド端位置までスライドされた状態で前記取付部に対向する固定部とを有し、
前記スライド部と前記レール部とがスライド端位置で嵌合した状態で前記取付部が前記固定部に締結具によって締結されることで前記センサ固定部材に前記車速センサが位置決めされて固定される構成にしてあることを特徴とする。
In order to solve the above problems, a rolling bearing device for a wheel according to claim 1 of the present invention includes an outer ring member assembled to a vehicle body side member, an inner ring member assembled to an axle side, the outer ring member, and the inner ring member. The outer ring member is mounted on the outer peripheral surface of the one end portion of the inner ring member so that the magnetic characteristics are alternately changed in the circumferential direction. A rolling bearing device for a wheel in which a sensor fixing member is assembled to the outer peripheral surface of one end of the wheel, and a vehicle speed sensor corresponding to the encoder is attached to the sensor fixing member,
The vehicle speed sensor is integrated with a sensor main body having a detection mechanism having a detection portion capable of detecting a non-detection portion of the encoder, slide portions formed on both sides of the sensor main body, and the sensor main body. And a mounting portion provided on the
The sensor fixing member includes a fixed cylinder portion that is press-fitted and fixed to an outer peripheral surface of one end portion of the outer ring member, a rail portion that is slidably fitted to the slide portion and guides the vehicle speed sensor to a slide end position, A vehicle speed sensor having a fixed portion facing the mounting portion in a state where the vehicle speed sensor is slid to the slide end position;
A configuration in which the vehicle speed sensor is positioned and fixed to the sensor fixing member by fastening the attachment portion to the fixing portion with a fastener in a state where the slide portion and the rail portion are fitted at the slide end position. It is characterized by being.

前記構成によると、センサ固定部材は、その固定筒部が外輪部材の一端部外周面に圧入されて固定される。
また、車速センサは、センサ本体の両側部に形成されたスライド部がセンサ固定部材のレール部に嵌挿されてスライド端位置までスライドされた状態で位置決めされる。この際、センサ本体に一体状に設けられた取付部がセンサ固定部材の固定部に対向する。
ここで、取付部が固定部に締結具によって締結されることでセンサ固定部材に車速センサが位置決めされて固定される。
このようにして、スライド部とレール部とがスライド端位置で嵌合した状態で、取付部と固定部とを締結具によって締結することによって、センサ固定部材に対し、別体の車速センサを、正確に位置決めして強固に固定することができる。
According to the above configuration, the sensor fixing member is fixed by press-fitting the fixing cylinder portion to the outer peripheral surface of the one end portion of the outer ring member.
Further, the vehicle speed sensor is positioned in a state in which the slide portions formed on both side portions of the sensor body are inserted into the rail portions of the sensor fixing member and slid to the slide end position. At this time, the mounting portion provided integrally with the sensor body faces the fixing portion of the sensor fixing member.
Here, the vehicle speed sensor is positioned and fixed to the sensor fixing member by fastening the attachment portion to the fixing portion with a fastener.
In this way, with the slide portion and the rail portion fitted at the slide end position, the separate vehicle speed sensor is attached to the sensor fixing member by fastening the attachment portion and the fixing portion with the fastener. It can be accurately positioned and firmly fixed.

請求項2に係る車輪用転がり軸受装置は、請求項1に記載の車輪用転がり軸受装置であって、
スライド部とレール部とは、センサ固定部材の固定筒部の半径方向に平行して形成されると共に、半径方向外方から嵌挿可能に構成されていることを特徴とする。
The rolling bearing device for a wheel according to claim 2 is the rolling bearing device for a wheel according to claim 1,
The slide portion and the rail portion are formed in parallel to the radial direction of the fixed cylinder portion of the sensor fixing member, and are configured to be fitted and inserted from the outside in the radial direction.

前記構成によると、センサ固定部材の固定筒部の半径方向外方からセンサ本体のスライド部をセンサ固定部材のレール部に嵌挿してスライド端位置まで容易にスライドさせることができ、センサ固定部材に対する車速センサの位置決め固定作業が容易となる。   According to the above configuration, the slide portion of the sensor main body can be fitted into the rail portion of the sensor fixing member from the outside in the radial direction of the fixing cylinder portion of the sensor fixing member and can be easily slid to the slide end position. The positioning and fixing work of the vehicle speed sensor is facilitated.

請求項3に係る車輪用転がり軸受装置は、請求項1に記載の車輪用転がり軸受装置であって、
スライド部とレール部とは、センサ固定部材の固定筒部の半径方向に交差する方向に平行して形成されると共に、半径方向に交差する方向の一方から嵌挿可能に構成されていることを特徴とする。
The rolling bearing device for a wheel according to claim 3 is the rolling bearing device for a wheel according to claim 1,
The slide portion and the rail portion are formed in parallel to the direction intersecting with the radial direction of the fixed cylinder portion of the sensor fixing member, and are configured to be insertable from one of the directions intersecting with the radial direction. Features.

前記構成によると、センサ固定部材の固定筒部の半径方向と交差する方向の一方からセンサ本体のスライド部をセンサ固定部材のレール部に嵌挿してスライド端位置まで容易にスライドさせることができ、センサ固定部材に対する車速センサの位置決め固定作業が容易となる。
さらに、車速センサのセンサ本体はセンサ固定部材の固定筒部の半径方向に交差する方向に平行して固定されるため、センサ固定部材の固定筒部の半径方向に沿って固定される場合と比べ、センサ固定部材の固定筒部の外径方向へのセンサ本体の突出量(はみ出し量)を抑制して固定することができる。
このため、外輪部材が組み付けられる車体側部材に、車速センサとの干渉を避ける凹部を形成する必要がない。
According to the above configuration, the slide part of the sensor main body can be inserted into the rail part of the sensor fixing member from one of the directions intersecting the radial direction of the fixed cylinder part of the sensor fixing member and can be easily slid to the slide end position. The positioning and fixing operation of the vehicle speed sensor with respect to the sensor fixing member is facilitated.
Furthermore, since the sensor body of the vehicle speed sensor is fixed in parallel to the direction intersecting the radial direction of the fixed cylinder portion of the sensor fixing member, it is compared with the case where the sensor body is fixed along the radial direction of the fixed cylinder portion of the sensor fixing member. In addition, the sensor body can be fixed while suppressing the protrusion amount (protrusion amount) of the sensor body in the outer diameter direction of the fixed cylinder portion of the sensor fixing member.
For this reason, it is not necessary to form the recessed part which avoids interference with a vehicle speed sensor in the vehicle body side member in which an outer ring member is assembled | attached.

請求項4に係る車輪用転がり軸受装置は、請求項1に記載の車輪用転がり軸受装置であって、
センサ本体は、センサ固定部材の固定筒部の周方向に沿って円弧状に形成され、
スライド部とレール部とは、前記センサ本体の円弧に沿ってそれぞれ円弧状に形成される共に、円弧の一方から嵌挿可能に構成されていることを特徴とする。
The rolling bearing device for a wheel according to claim 4 is the rolling bearing device for a wheel according to claim 1,
The sensor body is formed in an arc shape along the circumferential direction of the fixed cylinder portion of the sensor fixing member,
The slide portion and the rail portion are each formed in an arc shape along the arc of the sensor body, and are configured to be fitted and inserted from one of the arcs.

前記構成によると、センサ固定部材の固定筒部の周方向に沿って円弧状をなすセンサ本体の円弧の一方から同センサ本体のスライド部をセンサ固定部材のレール部に嵌挿してスライド端位置まで容易にスライドさせることができ、センサ固定部材に対する車速センサの位置決め固定作業が容易となる。
さらに、車速センサのセンサ本体は、センサ固定部材の固定筒部の周方向に沿って円弧状をなして固定されるため、固定筒部の半径方向に交差する方向に沿って車速センサが固定される場合と比べても、固定筒部の外径方向へのセンサ本体の突出量(はみ出し量)を良好に抑制して固定することができる。
このため、外輪部材が組み付けられる車体側部材に、車速センサとの干渉を避ける凹部を形成する必要がない。
According to the above configuration, the slide portion of the sensor main body is inserted into the rail portion of the sensor fixing member from one of the arcs of the sensor main body having an arc shape along the circumferential direction of the fixed cylinder portion of the sensor fixing member to the slide end position. It can be easily slid, and positioning and fixing work of the vehicle speed sensor with respect to the sensor fixing member is facilitated.
Furthermore, since the sensor body of the vehicle speed sensor is fixed in an arc shape along the circumferential direction of the fixed cylinder portion of the sensor fixing member, the vehicle speed sensor is fixed along the direction intersecting the radial direction of the fixed cylinder portion. Compared with the case where it is fixed, the protrusion amount (protrusion amount) of the sensor main body in the outer diameter direction of the fixed cylinder portion can be satisfactorily suppressed and fixed.
For this reason, it is not necessary to form the recessed part which avoids interference with a vehicle speed sensor in the vehicle body side member in which an outer ring member is assembled | attached.

この発明の実施例1に係る車輪用転がり軸受装置がナックル及び車軸にそれぞれ組み付けられた状態を示す縦断面図である。It is a longitudinal cross-sectional view which shows the state by which the rolling bearing device for wheels which concerns on Example 1 of this invention was each assembled | attached to the knuckle and the axle shaft. 同じくエンコーダとセンサ固定部材と車速センサとの組付関係を示す断面図である。It is sectional drawing which similarly shows the assembly | attachment relationship of an encoder, a sensor fixing member, and a vehicle speed sensor. 同じくセンサ固定部材の下部の水抜き孔を示す断面図である。It is sectional drawing which similarly shows the drain hole of the lower part of a sensor fixing member. 同じく外輪部材の端部外周面にセンサ固定部材が軸方向に位置決めされて圧入固定された状態を示す断面図である。Similarly, it is a sectional view showing a state where a sensor fixing member is positioned in the axial direction and press-fitted and fixed to the outer peripheral surface of the end portion of the outer ring member. 同じくセンサ固定部材と車速センサとが分離された状態を示す斜視図である。It is a perspective view which shows the state from which the sensor fixing member and the vehicle speed sensor were isolate | separated similarly. 同じくセンサ固定部材に車速センサがスライド端までスライドされた状態を示す斜視図である。It is a perspective view which shows the state by which the vehicle speed sensor was similarly slid to the slide end similarly to the sensor fixing member. この発明の実施例2に係る車輪用転がり軸受装置のセンサ固定部材と車速センサとが分離された状態を示す斜視図である。It is a perspective view which shows the state from which the sensor fixing member and vehicle speed sensor of the rolling bearing device for wheels which concern on Example 2 of this invention were isolate | separated. 同じくセンサ固定部材に車速センサがスライド端までスライドされた状態を示す斜視図である。It is a perspective view which shows the state by which the vehicle speed sensor was similarly slid to the slide end similarly to the sensor fixing member. この発明の実施例3に係る車輪用転がり軸受装置のセンサ固定部材と車速センサとが分離された状態を示す斜視図である。It is a perspective view which shows the state from which the sensor fixing member and vehicle speed sensor of the rolling bearing device for wheels which concern on Example 3 of this invention were isolate | separated. 同じくセンサ固定部材に車速センサがスライド端までスライドされた状態を示す斜視図である。It is a perspective view which shows the state by which the vehicle speed sensor was similarly slid to the slide end similarly to the sensor fixing member. 同じくセンサ固定部材に車速センサがスライド端までスライドされた状態を示す正面図である。It is a front view which shows the state by which the vehicle speed sensor was similarly slid to the slide end by the sensor fixing member. 同じく図11のXII−XII線に基づく断面図ある。Similarly, it is sectional drawing based on the XII-XII line of FIG. 同じくスリーブに締結ピンを圧入した状態を示す断面図である。It is sectional drawing which shows the state which similarly press-fitted the fastening pin in the sleeve. この発明の実施例4に係る車輪用転がり軸受装置のセンサ固定部材と車速センサとが分離された状態を示す斜視図である。It is a perspective view which shows the state from which the sensor fixing member and vehicle speed sensor of the rolling bearing device for wheels which concern on Example 4 of this invention were isolate | separated. 同じくセンサ固定部材に車速センサがスライド端までスライドされた状態を示す斜視図である。It is a perspective view which shows the state by which the vehicle speed sensor was similarly slid to the slide end similarly to the sensor fixing member. この発明の実施例5に係る車輪用転がり軸受装置のセンサ固定部材と車速センサとが分離された状態を示す斜視図である。It is a perspective view which shows the state by which the sensor fixing member and vehicle speed sensor of the rolling bearing device for wheels which concern on Example 5 of this invention were isolate | separated. 同じくセンサ固定部材に車速センサがスライド端までスライドされた状態を示す斜視図である。It is a perspective view which shows the state by which the vehicle speed sensor was similarly slid to the slide end similarly to the sensor fixing member. この発明の実施例6に係る車輪用転がり軸受装置のエンコーダとセンサ固定部材と車速センサとの組付関係を示す断面図である。It is sectional drawing which shows the assembly | attachment relationship of the encoder of the wheel rolling bearing apparatus which concerns on Example 6 of this invention, a sensor fixing member, and a vehicle speed sensor. 同じくセンサ固定部材と車速センサとが分離された状態を示す斜視図である。It is a perspective view which shows the state from which the sensor fixing member and the vehicle speed sensor were isolate | separated similarly. 同じくセンサ固定部材に車速センサがスライド端までスライドされた状態を示す斜視図である。It is a perspective view which shows the state by which the vehicle speed sensor was similarly slid to the slide end similarly to the sensor fixing member.

この発明を実施するための最良の形態について実施例にしたがって説明する。   The best mode for carrying out the present invention will be described in accordance with an embodiment.

この発明の実施例1を図1〜図6にしたがって説明する。
図1に示すように、この実施例1に係る車輪用転がり軸受装置(車輪用ハブユニットとも呼ばれることがある)は、複列の転がり軸受(図1ではアンギュラ玉軸受)30を構成する外輪部材40、内輪部材(ハブホイールと呼ばれることもある)31、各複数個の転動体(図1では玉)43、44及び保持器45、46を備えている。
すなわち、筒状をなす外輪部材40の外周面の軸方向中央部には、車体側部材、例えば、車両の懸架装置(図示しない)に支持されたナックル13(又はキャリア)の取付面に固定するため固定フランジ47が形成されている。そして、外輪部材40は、その一端部外周面がナックル13の組付孔に嵌挿され、固定フランジ47がナックル13の取付面に当接した状態で複数本のボルト(図示しない)が固定フランジ47を通してナックル13の取付面にねじ込まれることによって固定される。この外輪部材40の内周面には複列の外輪軌道面41、42が形成されている。
A first embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1, the wheel rolling bearing device according to the first embodiment (sometimes referred to as a wheel hub unit) is an outer ring member constituting a double row rolling bearing (angular ball bearing in FIG. 1) 30. 40, an inner ring member (sometimes referred to as a hub wheel) 31, a plurality of rolling elements (balls in FIG. 1) 43, 44 and cages 45, 46.
That is, it fixes to the attachment surface of the knuckle 13 (or carrier) supported by the vehicle body side member, for example, the suspension apparatus (not shown) of a vehicle, in the axial direction center part of the outer peripheral surface of the cylindrical outer ring member 40. Therefore, a fixing flange 47 is formed. The outer ring member 40 has an outer peripheral surface at one end fitted into the assembly hole of the knuckle 13 and a plurality of bolts (not shown) are fixed to the fixing flange 47 with the fixing flange 47 in contact with the mounting surface of the knuckle 13. It is fixed by being screwed into the mounting surface of the knuckle 13 through 47. Double row outer ring raceway surfaces 41 and 42 are formed on the inner peripheral surface of the outer ring member 40.

外輪部材40の複列の外輪軌道面41、42に対応する複列の内輪軌道面37、38が外周面に形成された内輪部材31は、筒軸状をなすハブ軸33と、ハブ軸33の一端部外周面に形成されたフランジ34とを一体に有している。
そして、内輪部材31は、そのハブ軸33の内孔に、車軸20の端面から車幅方向外方へ突出されたスプライン軸部23がスプライン嵌合され、スプライン軸部23先端の雄ねじ部24に締付ナット25が締め付けられることで、内輪部材31と車軸20とがトルク伝達可能に結合される。
また、フランジ34には、ブレーキロータ(図示しない)を間に挟んで車輪(図示しない)を取り付けるための複数本のハブボルト35が所定ピッチで圧入によって固定されている。
なお、車軸20のスプライン軸部23の根元側には、スプライン軸部23よりも大径で段差面をもっと隣接する平行軸部22と、平行軸部22の端部から車幅方向中心側に向けてしだいに大径に形成されたテーパ軸部21とが形成されている。
An inner ring member 31 in which double-row inner ring raceway surfaces 37 and 38 corresponding to double-row outer ring raceway surfaces 41 and 42 of the outer ring member 40 are formed on the outer peripheral surface includes a hub shaft 33 having a cylindrical shaft shape, and a hub shaft 33. And the flange 34 formed on the outer peripheral surface of the one end of the head.
The inner ring member 31 is spline-fitted into the inner hole of the hub shaft 33 with a spline shaft portion 23 protruding outward in the vehicle width direction from the end surface of the axle 20, and is connected to the male screw portion 24 at the tip of the spline shaft portion 23. By tightening the tightening nut 25, the inner ring member 31 and the axle 20 are coupled so as to be able to transmit torque.
A plurality of hub bolts 35 for attaching wheels (not shown) with a brake rotor (not shown) interposed therebetween are fixed to the flange 34 by press-fitting at a predetermined pitch.
In addition, on the base side of the spline shaft portion 23 of the axle 20, the parallel shaft portion 22 having a diameter larger than that of the spline shaft portion 23 and adjacent to the step surface, and from the end of the parallel shaft portion 22 to the vehicle width direction center side A taper shaft portion 21 having a large diameter gradually formed is formed.

外輪部材40の複列の外輪軌道面41、42と、内輪部材31の複列の内輪軌道面37、38の間には、各複数個の転動体43、44が保持器45、46によってそれぞれ保持された状態で転動可能に配置されている。
また、この実施例1においては、図1に示すように、ハブ軸33の外周面に設けられた両内輪軌道面37、38のうち、ハブ軸33のフランジ34側に位置する内輪軌道面37は、ハブ軸33の外周面が研削加工されることによって形成され、ハブ軸33の先端側の内輪軌道面38は、ハブ軸33の先端寄り外周面に圧入固定された内輪体36の外周面に形成されている。
Between the double row outer ring raceway surfaces 41, 42 of the outer ring member 40 and the double row inner ring raceway surfaces 37, 38 of the inner ring member 31, a plurality of rolling elements 43, 44 are respectively held by cages 45, 46. It is arranged so that it can roll while being held.
In the first embodiment, as shown in FIG. 1, the inner ring raceway surface 37 located on the flange 34 side of the hub shaft 33 among the both inner ring raceway surfaces 37, 38 provided on the outer peripheral surface of the hub shaft 33. Is formed by grinding the outer peripheral surface of the hub shaft 33, and the inner ring raceway surface 38 on the front end side of the hub shaft 33 is press-fitted and fixed to the outer peripheral surface near the front end of the hub shaft 33. Is formed.

図2に示すように、内輪部材31の一端部(この実施例1では、内輪体36の鍔部外周面)には、周方向に磁気特性(S極、N極)が交互に変化するように着磁されたエンコーダ(パルサーリング、磁気エンコーダ等とも呼ばれることがある)60が組み付けられている。
この実施例1において、内輪部材31の内輪体36と外輪部材40の一側端部の間には、パックシールと呼ばれることもある一対の第1シール部材50と第2シール部材55とが組み込まれている。
第1シール部材50は、円筒状に形成された筒状部51と、この筒状部51の一端から径方向外方へ直角状に曲げられた環状部52とを備えて横断面L字状に形成され、その筒状部51において、内輪体36の鍔部外周面に圧入固定される。
そして、第1シール部材50の環状部52の外側面にエンコーダ60が接着剤等によって貼り付けられている。
As shown in FIG. 2, at one end of the inner ring member 31 (in this first embodiment, the outer peripheral surface of the flange portion of the inner ring body 36), the magnetic characteristics (S pole, N pole) change alternately in the circumferential direction. The encoder 60 (which may also be called a pulsar ring or a magnetic encoder) 60 is assembled.
In the first embodiment, a pair of first seal member 50 and second seal member 55, sometimes referred to as a pack seal, are incorporated between the inner ring body 36 of the inner ring member 31 and one side end of the outer ring member 40. It is.
The first seal member 50 includes a cylindrical portion 51 formed in a cylindrical shape and an annular portion 52 bent at a right angle from one end of the cylindrical portion 51 radially outward. The cylindrical portion 51 is press-fitted and fixed to the outer peripheral surface of the flange portion of the inner ring body 36.
The encoder 60 is attached to the outer surface of the annular portion 52 of the first seal member 50 with an adhesive or the like.

一方、第2シール部材55は、円筒状に形成された筒状部56と、この筒状部56の一端から径方向内方へ直角状に曲げられた環状部57とを備えて横断面L字状に形成され、その筒状部56において、外輪部材40の一端部内周面に圧入固定される。
また、第2シール部材55には、ゴム弾性を有して第1シール部材50の環状部52の内側面に摺接するリップ58と、筒状部51の外周面に摺接するリップ59とが形成されている。
On the other hand, the second seal member 55 includes a cylindrical portion 56 formed in a cylindrical shape and an annular portion 57 bent at a right angle from one end of the cylindrical portion 56 radially inward. The cylindrical portion 56 is press-fitted and fixed to the inner peripheral surface of one end portion of the outer ring member 40.
Further, the second seal member 55 is formed with a lip 58 that has rubber elasticity and slidably contacts the inner surface of the annular portion 52 of the first seal member 50, and a lip 59 that slidably contacts the outer peripheral surface of the cylindrical portion 51. Has been.

図1と図2に示すように、外輪部材40の一端部外周面には、エンコーダ60に対応する車速センサ61を取り付けるためのセンサ固定部材70が組み付けられる。
図5に示すように、車速センサ61は、エンコーダ60の非検出部(着磁面)を検出可能な検出部64を先端側に有する検出機構が内設された合成樹脂製のセンサ本体62と、このセンサ本体62の先端より両側部に形成されたスライド部としてのスライド溝65と、センサ本体62の先端部から横方向に一体状に延出された取付部66とを有している。そして、取付部66には、締結具としての締結ボルト91に対応する貫通孔が設けられている。
この実施例1において、締結ボルト91の締め付けによって取付部66が損傷されることがないように、取付部66の貫通孔には、中心部に締結ボルト91の軸部が嵌挿される中心孔を有する金属製のスリーブ67がインサート成形等によって一体状に固定されている。
As shown in FIGS. 1 and 2, a sensor fixing member 70 for attaching a vehicle speed sensor 61 corresponding to the encoder 60 is assembled to the outer peripheral surface of one end portion of the outer ring member 40.
As shown in FIG. 5, the vehicle speed sensor 61 includes a sensor body 62 made of a synthetic resin in which a detection mechanism having a detection portion 64 capable of detecting a non-detection portion (magnetized surface) of the encoder 60 is provided on the tip side. The sensor body 62 includes a slide groove 65 as a slide portion formed on both sides from the front end of the sensor main body 62, and a mounting portion 66 extending integrally from the front end of the sensor main body 62 in the lateral direction. The attachment portion 66 is provided with a through hole corresponding to a fastening bolt 91 as a fastener.
In the first embodiment, a central hole into which the shaft portion of the fastening bolt 91 is fitted is inserted into the through hole of the attachment portion 66 so that the attachment portion 66 is not damaged by the fastening bolt 91 being tightened. A metal sleeve 67 is integrally fixed by insert molding or the like.

図1、図2及び図5に示すように、センサ固定部材70は、鋼板がプレス加工されることで形成され、外輪部材40の一端部外周面に圧入固定される固定筒部71と、この固定筒部71の一端から半径方向内方へ直角状に曲げられた環状部75と、この環状部75の内径端から車軸20の平行軸部22に沿って筒状に形成された小径筒部76と、この小径筒部76の先端から車軸20のテーパ軸部21に沿ってテーパ筒状に形成されたテーパ部77とを備えている。
また、小径筒部76及びテーパ部77は、車軸20の平行軸部22及びテーパ軸部21との間にラビリンス部を構成するために微小の隙間をもって嵌合する大きさにそれぞれ形成されている。
さらに、テーパ部77のテーパ角度をαとし、テーパ軸部21のテーパ角度をβとしたときに、「α≧β」の関係となるように設定されている。
これによって、ラビリンス部を構成するために微小の隙間に侵入した雨水等が車軸20の回転による遠心力の作用を受けてテーパ部77とテーパ軸部21との間の隙間から外部へ排出されるようになっている。
As shown in FIGS. 1, 2, and 5, the sensor fixing member 70 is formed by pressing a steel plate, and a fixed cylinder portion 71 that is press-fitted and fixed to the outer peripheral surface of one end portion of the outer ring member 40. An annular portion 75 bent at a right angle from one end of the fixed cylindrical portion 71 radially inward, and a small-diameter cylindrical portion formed in a cylindrical shape from the inner diameter end of the annular portion 75 along the parallel shaft portion 22 of the axle 20. 76 and a tapered portion 77 formed in a tapered cylindrical shape along the tapered shaft portion 21 of the axle 20 from the tip of the small diameter cylindrical portion 76.
Further, the small-diameter cylindrical portion 76 and the tapered portion 77 are each formed in a size that fits with a small gap in order to form a labyrinth portion between the parallel shaft portion 22 and the tapered shaft portion 21 of the axle 20. .
Further, when the taper angle of the taper portion 77 is α and the taper angle of the taper shaft portion 21 is β, the relationship of “α ≧ β” is set.
As a result, rainwater or the like that has entered a minute gap to form the labyrinth part is discharged from the gap between the taper part 77 and the taper shaft part 21 due to the centrifugal force due to the rotation of the axle 20. It is like that.

また、この実施例1において、固定筒部71と環状部75との境界部分には、外輪部材40の一端部外周面に対する圧入量を制限して位置決めする第1〜第3当接部72、73、74が形成されている。
図5に示すように、第1当接部72は、固定筒部71の上端部から片側部(図5に向かって右側)に沿ってほぼ半円弧状をなす範囲において内径側へ凹んで形成され、第2、第3の当接部73、74は、第1当接部72と反対側の固定筒部71の上肩部と下肩部にそれぞれ円弧の弦をなすように凹んで形成されている。
また、固定筒部71と環状部75との境界部分の下端部には、水抜き孔78が形成されている(図3参照)。
Further, in the first embodiment, the first to third contact portions 72 that are positioned at the boundary portion between the fixed cylindrical portion 71 and the annular portion 75 by restricting the press-fitting amount with respect to the outer peripheral surface of the one end portion of the outer ring member 40, 73 and 74 are formed.
As shown in FIG. 5, the first abutting portion 72 is formed to be recessed toward the inner diameter side within a substantially semicircular arc shape from the upper end portion of the fixed cylindrical portion 71 along one side portion (right side as viewed in FIG. 5). The second and third contact portions 73 and 74 are formed to be recessed so as to form circular chords on the upper shoulder portion and the lower shoulder portion of the fixed cylinder portion 71 opposite to the first contact portion 72, respectively. Has been.
Further, a drain hole 78 is formed at the lower end portion of the boundary portion between the fixed cylinder portion 71 and the annular portion 75 (see FIG. 3).

図5に示すように、センサ固定部材70の上部には、固定筒部71と環状部75とにわたってセンサ組付孔79が形成され、環状部75側に形成されるセンサ組付孔79の下部両側部には、センサ本体62の両スライド溝65にスライド可能に嵌合する両レール部80が形成されている。
そして、図6に示すように、センサ本体62の両スライド溝65を両レール部80に嵌挿した後、スライド溝65の端部にレール部80の端縁が当接するスライド端位置まで車速センサ61がスライドされるようになっている。
また、この実施例1において、両スライド溝65と両レール部80とはセンサ固定部材70の固定筒部71の半径方向に平行してそれぞれ形成されると共に、半径方向外方から嵌挿可能に構成されている。
As shown in FIG. 5, a sensor assembly hole 79 is formed in the upper portion of the sensor fixing member 70 across the fixed cylinder portion 71 and the annular portion 75, and the lower portion of the sensor assembly hole 79 formed on the annular portion 75 side. Both rail portions 80 are slidably fitted into both slide grooves 65 of the sensor main body 62 on both sides.
Then, as shown in FIG. 6, after both the slide grooves 65 of the sensor main body 62 are fitted and inserted into the both rail portions 80, the vehicle speed sensor reaches the slide end position where the end edge of the rail portion 80 contacts the end portion of the slide groove 65. 61 is slid.
In the first embodiment, the slide grooves 65 and the rail portions 80 are formed in parallel to the radial direction of the fixed cylinder portion 71 of the sensor fixing member 70 and can be inserted from the outside in the radial direction. It is configured.

また、スライド溝65の端部にレール部80の端縁が当接するスライド端位置まで車速センサ61がスライドされた状態で、センサ本体62の取付部66に対向するセンサ固定部材70の環状部75の部分を固定部82としている。この固定部82には、取付部66のスリーブ67の中心孔とが同一中心線上に貫通孔83が形成されると共に、固定部82の内面側にはナット92が配設される。このナット92は、固定部82の内面側に溶接されることが好ましい。   Further, the annular portion 75 of the sensor fixing member 70 facing the mounting portion 66 of the sensor main body 62 in a state where the vehicle speed sensor 61 is slid to the slide end position where the end edge of the rail portion 80 contacts the end portion of the slide groove 65. This portion is a fixing portion 82. A through hole 83 is formed in the fixed portion 82 on the same center line as the central hole of the sleeve 67 of the mounting portion 66, and a nut 92 is disposed on the inner surface side of the fixed portion 82. The nut 92 is preferably welded to the inner surface side of the fixed portion 82.

この実施例1に係る車輪用転がり軸受装置は上述したように構成される。
したがって、外輪部材40の一端部外周面にセンサ固定部材70が、その固定筒部71において圧入されて固定される。この際、センサ固定部材70の第1〜第3当接部72、73、74が外輪部材40の一端面に当接する(図3及び図4参照)。これによって、外輪部材40に対する固定筒部71の圧入量が制限されて外輪部材40に対しセンサ固定部材70の軸方向への位置決めがなされる。
The wheel rolling bearing device according to the first embodiment is configured as described above.
Therefore, the sensor fixing member 70 is press-fitted and fixed to the outer peripheral surface of the one end portion of the outer ring member 40 at the fixed cylinder portion 71. At this time, the first to third contact portions 72, 73, 74 of the sensor fixing member 70 are in contact with one end surface of the outer ring member 40 (see FIGS. 3 and 4). As a result, the press-fitting amount of the fixed cylinder portion 71 with respect to the outer ring member 40 is limited, and the sensor fixing member 70 is positioned in the axial direction with respect to the outer ring member 40.

また、車速センサ61は、センサ固定部材70の固定筒部71の半径方向外方(図5では上方)からセンサ本体62の両スライド溝65をセンサ固定部材70の両レール部80に嵌挿し、その後、両スライド溝65の一端が両レール部80の端縁に当接するスライド端位置まで下方にスライドさせることで位置決めする(図6参照)。これによって、センサ本体62の取付部66がセンサ固定部材70の固定部82に対向すると共に、取付部66のスリーブ67の中心孔が固定部82のナット92とが同一中心線上に位置合わせされる。
ここで、締結具としての締結ボルト91の雄ねじ部が取付部66のスリーブ67の中心孔を通して固定部82のナット92にねじ込まれて締結されることで、センサ固定部材70に対し車速センサ61が位置決めされて固定される。これによって、車速センサ61の検出部64がエンコーダ60の非検出部(着磁面)を検出可能に接近する(図2参照)。
Further, the vehicle speed sensor 61 is inserted into both rail portions 80 of the sensor fixing member 70 by inserting both slide grooves 65 of the sensor main body 62 from the radially outer side (upward in FIG. 5) of the fixed cylinder portion 71 of the sensor fixing member 70. Thereafter, the slide grooves 65 are positioned by sliding downward to a slide end position where one ends of the slide grooves 65 abut against the end edges of the rail portions 80 (see FIG. 6). As a result, the mounting portion 66 of the sensor main body 62 faces the fixing portion 82 of the sensor fixing member 70, and the center hole of the sleeve 67 of the mounting portion 66 is aligned with the nut 92 of the fixing portion 82 on the same center line. .
Here, the male screw portion of the fastening bolt 91 as a fastener is screwed into the nut 92 of the fixing portion 82 through the center hole of the sleeve 67 of the attachment portion 66 and fastened, whereby the vehicle speed sensor 61 is connected to the sensor fixing member 70. Positioned and fixed. Thereby, the detection part 64 of the vehicle speed sensor 61 approaches the non-detection part (magnetized surface) of the encoder 60 so as to be detectable (see FIG. 2).

前記したようにして、両スライド溝65と両レール部80とがスライド端位置で嵌合した状態で、取付部66と固定部82とを締結ボルト91とナット92によって締結することによって、センサ固定部材70に対し、別体の車速センサ61を、正確に位置決めして強固に固定することができる。
また、センサ固定部材70の固定筒部71の半径方向外方(上方)からセンサ本体62の両スライド溝65を両レール部80に嵌挿してスライド端位置まで容易にスライドさせることができる。このため、センサ固定部材70に対する車速センサ61の位置決め固定作業を容易に行うことができる。
なお、外輪部材40の一端部外周面にセンサ固定部材70を圧入固定する前にセンサ固定部材70に対し車速センサ61を取り付けてもよい。
As described above, the sensor fixing is performed by fastening the mounting portion 66 and the fixing portion 82 with the fastening bolt 91 and the nut 92 in a state in which both the slide grooves 65 and the both rail portions 80 are fitted at the slide end position. A separate vehicle speed sensor 61 can be accurately positioned and firmly fixed to the member 70.
Further, both slide grooves 65 of the sensor main body 62 can be fitted into both rail portions 80 from the radially outer side (above) of the fixed cylinder portion 71 of the sensor fixing member 70 and can be easily slid to the slide end position. For this reason, the positioning and fixing work of the vehicle speed sensor 61 with respect to the sensor fixing member 70 can be easily performed.
The vehicle speed sensor 61 may be attached to the sensor fixing member 70 before the sensor fixing member 70 is press-fitted and fixed to the outer peripheral surface of the one end portion of the outer ring member 40.

次に、この発明の実施例2を図7と図8にしたがって説明する。
図7と図8に示すように、この実施例2に係る車輪用転がり軸受装置においては、センサ固定部材170と車速センサ161との位置決め部及び締結部の形状、構造等を変更したものであり、検出部(図示しない)を先端側に有する検出機構が内設された合成樹脂製のセンサ本体162の下部両側にはスライド溝165が形成され、センサ本体162のスライド溝165の上方に位置する外周面の部分には、取付部としての金属製の取付具166がインサート成形等によって一体状に固定されている。この取付具166は、センサ本体162の外周面に沿って固定される筒部166aと、筒部166aの外周面から接線方向に張り出された支持板166bと、この支持板166bの両端から対向状に突出された一対の取付片166cとを有している。
Next, a second embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 7 and 8, in the wheel rolling bearing device according to the second embodiment, the shape and structure of the positioning portion and the fastening portion between the sensor fixing member 170 and the vehicle speed sensor 161 are changed. A slide groove 165 is formed on both sides of the lower part of the synthetic resin sensor body 162 in which a detection mechanism having a detection unit (not shown) on the tip side is provided, and is positioned above the slide groove 165 of the sensor body 162. A metal fitting 166 as an attachment portion is integrally fixed to the outer peripheral surface portion by insert molding or the like. The fixture 166 includes a cylindrical portion 166a fixed along the outer peripheral surface of the sensor body 162, a support plate 166b projecting in a tangential direction from the outer peripheral surface of the cylindrical portion 166a, and opposed from both ends of the support plate 166b. And a pair of mounting pieces 166c protruding in a shape.

これに対し、センサ固定部材170の上部には、固定筒部171と環状部175とにわたってセンサ組付孔179が形成され、環状部175側に形成されるセンサ組付孔179の下部両側部には、センサ本体162の両スライド溝165にスライド可能に嵌合する両レール部180が形成されている。
センサ固定部材170の環状部175側に形成されるセンサ組付孔79の上部両側部には、取付具166の一対の取付片166cの内側に配置可能な一対の固定片(固定部に相当する)182が対向状に形成されている。
これら一対の固定片182の根元側寄り部分には、取付具166の支持板166bが上方から差込可能な差込溝182aが形成され、一対の固定片182の先端側寄り部分には、締結ボルト191の雄ねじ部(軸部)が上方から嵌込み可能なU字状の切欠部183が形成されている。
On the other hand, a sensor assembly hole 179 is formed in the upper part of the sensor fixing member 170 over the fixed cylinder part 171 and the annular part 175, and on both lower sides of the sensor assembly hole 179 formed on the annular part 175 side. Are formed with both rail portions 180 slidably fitted in both slide grooves 165 of the sensor body 162.
A pair of fixed pieces (corresponding to a fixed portion) that can be arranged inside the pair of mounting pieces 166c of the mounting tool 166 are formed on both sides of the upper portion of the sensor assembly hole 79 formed on the annular portion 175 side of the sensor fixing member 170. ) 182 are formed to face each other.
An insertion groove 182a into which the support plate 166b of the fixture 166 can be inserted from above is formed in a portion closer to the base side of the pair of fixed pieces 182. A U-shaped notch 183 into which the male thread portion (shaft portion) of the bolt 191 can be fitted from above is formed.

また、この実施例2においても、両スライド溝165と両レール部180とはセンサ固定部材170の固定筒部171の半径方向に平行してそれぞれ形成されると共に、半径方向外方から嵌挿可能に構成されている。
また、取付部としての一対の取付片166cと、固定部として一対の固定片182とを締結する締結具として締結ボルト191とナット192が用いられる。
また、ナット192は、一方の取付片166cに溶接されてよい。
この実施例2のその他の構成は実施例1と同様にして構成されるためその説明は省略する。
Also in the second embodiment, both slide grooves 165 and both rail portions 180 are formed in parallel to the radial direction of the fixed cylinder portion 171 of the sensor fixing member 170 and can be fitted from the outside in the radial direction. It is configured.
Further, a fastening bolt 191 and a nut 192 are used as fasteners for fastening the pair of attachment pieces 166c as the attachment portions and the pair of fixation pieces 182 as the fixation portions.
Further, the nut 192 may be welded to the one attachment piece 166c.
Since other configurations of the second embodiment are configured in the same manner as the first embodiment, description thereof is omitted.

この実施例2に係る車輪用転がり軸受装置は上述したように構成される。
したがって、車速センサ161は、センサ本体162の両スライド溝165がセンサ固定部材170の両レール部180の上方から嵌挿されてスライド端位置まで下方にスライドされて位置決めされる(図8参照)。
この際、センサ本体162の取付具166の支持板166bの下部両側部の切り欠き部が、一対の固定片182の差込溝182aに差し込まれる。
The wheel rolling bearing device according to the second embodiment is configured as described above.
Therefore, the vehicle speed sensor 161 is positioned by sliding both slide grooves 165 of the sensor body 162 from above the rail portions 180 of the sensor fixing member 170 and sliding downward to the slide end position (see FIG. 8).
At this time, the notches on the lower side portions of the support plate 166 b of the fixture 166 of the sensor body 162 are inserted into the insertion grooves 182 a of the pair of fixed pieces 182.

ここで、締結ボルト191を、一対の取付片166c及び一対の固定片182にそれぞれ挿通され、ナット192が締め付けられる。そして、一対の取付片166cが互いに接近する方向へ弾性変形されて締結され、センサ固定部材170に対し車速センサ161が位置決めされて固定される。
これによって、実施例1でも述べたように、車速センサ161の検出部がエンコーダの非検出部(着磁面)を検出可能に接近する。
Here, the fastening bolt 191 is inserted through the pair of attachment pieces 166c and the pair of fixing pieces 182 respectively, and the nut 192 is tightened. Then, the pair of attachment pieces 166 c are elastically deformed and fastened in a direction approaching each other, and the vehicle speed sensor 161 is positioned and fixed with respect to the sensor fixing member 170.
As a result, as described in the first embodiment, the detection unit of the vehicle speed sensor 161 approaches the non-detection unit (magnetized surface) of the encoder so that it can be detected.

前記したように、両スライド溝165と両レール部180とがスライド端位置で嵌合した状態で、取付部としての一対の取付片166cと、固定部として一対の固定片182とを締結ボルト191とナット192によって締結することによって、センサ固定部材170に対し、別体の車速センサ161を、正確に位置決めして強固に固定することができる。
また、この実施例2においても、実施例1と同様にして、センサ固定部材170の固定筒部171の半径方向外方(上方)からセンサ本体162の両スライド溝165を両レール部180に嵌挿してスライド端位置まで容易にスライドさせることができるため、センサ固定部材170に対する車速センサ161の位置決め固定作業を容易に行うことができる。
As described above, in a state where both the slide grooves 165 and the both rail portions 180 are fitted at the slide end position, the pair of mounting pieces 166c as the mounting portion and the pair of fixing pieces 182 as the fixing portion are the fastening bolts 191. By fastening with the nut 192, the separate vehicle speed sensor 161 can be accurately positioned and firmly fixed to the sensor fixing member 170.
Also in the second embodiment, as in the first embodiment, both slide grooves 165 of the sensor main body 162 are fitted to both rail portions 180 from the radially outer side (upward) of the fixed cylinder portion 171 of the sensor fixing member 170. Since it can be inserted and easily slid to the slide end position, the positioning and fixing work of the vehicle speed sensor 161 with respect to the sensor fixing member 170 can be easily performed.

次に、この発明の実施例3を図9〜図13にしたがって説明する。
図9と図10に示すように、この実施例3に係る車輪用転がり軸受装置においても、センサ固定部材270と車速センサ261との位置決め部及び締結部の形状、構造等を変更したものであり、検出部(図示しない)を先端側に有する検出機構が内設された合成樹脂製のセンサ本体262の下部両側には取付部266が張り出し状に形成され、これら両取付部266の側面にスライド溝265が形成されている。
また、取付部266には、締結具としての締結ピン291とスリーブ292とのうち、スリーブ292が組み込まれる貫通孔293が形成される。この貫通孔293は、スライド溝265を間に隔てて大径孔部293aと小径孔部293bとを有している。
Next, Embodiment 3 of the present invention will be described with reference to FIGS.
As shown in FIGS. 9 and 10, the wheel rolling bearing device according to the third embodiment also changes the shape and structure of the positioning portion and the fastening portion between the sensor fixing member 270 and the vehicle speed sensor 261. A mounting portion 266 is formed on both sides of the lower portion of the synthetic resin sensor body 262 having a detection mechanism having a detection portion (not shown) on the distal end side, and slides on the side surfaces of both the mounting portions 266. A groove 265 is formed.
In addition, the attachment portion 266 is formed with a through hole 293 into which the sleeve 292 of the fastening pin 291 and the sleeve 292 as a fastener is incorporated. The through-hole 293 has a large-diameter hole 293a and a small-diameter hole 293b with a slide groove 265 interposed therebetween.

これに対し、センサ固定部材270の上部には、固定筒部271と環状部275とにわたってセンサ組付孔279が形成され、環状部275側に形成されるセンサ組付孔279の下部両側部には、センサ本体262の両スライド溝265にスライド可能に嵌合する両レール部280が形成されている。   On the other hand, a sensor assembly hole 279 is formed in the upper portion of the sensor fixing member 270 across the fixed cylinder portion 271 and the annular portion 275, and on both lower sides of the sensor assembly hole 279 formed on the annular portion 275 side. Are formed with both rail portions 280 slidably fitted in both slide grooves 265 of the sensor body 262.

また、この実施例3においては、両レール部280が固定部282を兼用しており、両レール部280の板面には、両スライド溝265の端部に両レール部280の端縁が当接するスライド端位置まで車速センサ261がスライドされたときに、センサ本体262の取付部266の貫通孔293とが同一中心線上に貫通孔283が形成される。
また、この実施例3においても、両スライド溝265と両レール部280とはセンサ固定部材270の固定筒部271の半径方向に平行してそれぞれ形成されると共に、半径方向外方から嵌挿可能に構成されている。
In the third embodiment, both rail portions 280 also serve as the fixing portion 282, and the edge of both rail portions 280 contacts the end of both slide grooves 265 on the plate surface of both rail portions 280. When the vehicle speed sensor 261 is slid to the sliding end position that comes into contact, the through hole 283 is formed on the same center line as the through hole 293 of the mounting portion 266 of the sensor body 262.
Also in the third embodiment, both the slide grooves 265 and the both rail portions 280 are formed in parallel to the radial direction of the fixed cylinder portion 271 of the sensor fixing member 270 and can be inserted from the outside in the radial direction. It is configured.

図9に示すように、取付部266と両レール部(固定部282)280とを締結する締結具として、締結ピン291とスリーブ292とが用いられている。
スリーブ292は、取付部266の貫通孔293の大径孔部293aに挿通され、かつ弾性的に拡径変形可能に内周面の軸方向に凹溝が形成された大径部292aと、レール部280の貫通孔283及び貫通孔293の小径孔部293bに挿通されかつ弾性的に拡径変形可能に軸方向にスリット状に割り溝が形成された小径部292bとを有すると共に、中心部に締結ピン291の軸部が圧入される中心孔が貫設された段差円筒状に形成されている。
この実施例3のその他の構成は実施例1と同様にして構成されるためその説明は省略する。
As shown in FIG. 9, a fastening pin 291 and a sleeve 292 are used as fasteners for fastening the attachment portion 266 and both rail portions (fixed portions 282) 280.
The sleeve 292 is inserted into the large-diameter hole portion 293a of the through-hole 293 of the attachment portion 266, and has a large-diameter portion 292a in which a groove is formed in the axial direction of the inner peripheral surface so as to be elastically expandable and deformable. And a small-diameter portion 292b that is inserted through the through-hole 283 of the portion 280 and the small-diameter hole portion 293b of the through-hole 293 and is elastically enlarged and deformable, and has slits formed in a slit shape in the axial direction. The fastening pin 291 is formed in a stepped cylindrical shape having a central hole through which a shaft portion is press-fitted.
Since other configurations of the third embodiment are configured in the same manner as the first embodiment, description thereof is omitted.

この実施例3に係る車輪用転がり軸受装置は上述したように構成される。
したがって、センサ固定部材270に車速センサ261を位置決めして固定する場合、車速センサ261は、センサ本体262の両スライド溝265がセンサ固定部材270の両レール部280の上方から嵌挿されてスライド端位置まで下方にスライドされることで位置決めされる(図10参照)。
この際、センサ本体262の取付部266の貫通孔293と、レール部280の貫通孔283とが同一中心線上に合致する。
The wheel rolling bearing device according to the third embodiment is configured as described above.
Therefore, when the vehicle speed sensor 261 is positioned and fixed to the sensor fixing member 270, the slide speed 265 of the sensor main body 262 is inserted into the slide body 262 from above the rail portions 280 of the sensor fixing member 270. It is positioned by sliding down to the position (see FIG. 10).
At this time, the through hole 293 of the attachment portion 266 of the sensor main body 262 and the through hole 283 of the rail portion 280 coincide with each other on the same center line.

ここで、スリーブ292の大径部292aが取付部266の貫通孔293の大径孔部293aに挿通され、小径部292bがレール部280の貫通孔283及び貫通孔293の小径孔部293bに挿通される。
その後、スリーブ292の中心孔に締結ピン291の軸部が圧入される。すると、スリーブ292の大径部292a及び小径部292bが弾性的に拡径変形され、スリーブ292の大径部292aの外周面が取付部266の貫通孔293の大径孔部293aに圧着され、小径部292bの外周面がレール部280の貫通孔283及び貫通孔293の小径孔部293bに圧着される。
すなわち、取付部266とレール部280とが締結ピン291とスリーブ292を介して締結され、センサ固定部材270に対し車速センサ261が位置決めされて固定される。これによって、実施例1でも述べたように、車速センサ161の検出部がエンコーダの非検出部(着磁面)を検出可能に接近する。
Here, the large diameter portion 292a of the sleeve 292 is inserted into the large diameter hole portion 293a of the through hole 293 of the attachment portion 266, and the small diameter portion 292b is inserted into the through hole 283 of the rail portion 280 and the small diameter hole portion 293b of the through hole 293. Is done.
Thereafter, the shaft portion of the fastening pin 291 is press-fitted into the center hole of the sleeve 292. Then, the large diameter portion 292a and the small diameter portion 292b of the sleeve 292 are elastically expanded and deformed, and the outer peripheral surface of the large diameter portion 292a of the sleeve 292 is crimped to the large diameter hole portion 293a of the through hole 293 of the attachment portion 266, The outer peripheral surface of the small diameter portion 292b is pressure-bonded to the through hole 283 of the rail portion 280 and the small diameter hole portion 293b of the through hole 293.
That is, the attachment portion 266 and the rail portion 280 are fastened through the fastening pin 291 and the sleeve 292, and the vehicle speed sensor 261 is positioned and fixed with respect to the sensor fixing member 270. As a result, as described in the first embodiment, the detection unit of the vehicle speed sensor 161 approaches the non-detection unit (magnetized surface) of the encoder so that it can be detected.

前記したようにして、両スライド溝265と両レール部280とがスライド端位置で嵌合した状態で、取付部266と、固定部282を兼用するレール部280とを、締結ピン291と、スリーブ292を介して締結することによって、センサ固定部材270に対し、別体の車速センサ261を、正確に位置決めして強固に固定することができる。
また、この実施例3においても、実施例1と同様にして、センサ固定部材270の固定筒部271の半径方向外方(上方)からセンサ本体262の両スライド溝265を両レール部280に嵌挿してスライド端位置まで容易にスライドさせることができるため、センサ固定部材270に対する車速センサ261の位置決め固定作業を容易に行うことができる。
As described above, the mounting portion 266 and the rail portion 280 that also serves as the fixing portion 282 are connected to the fastening pin 291 and the sleeve in a state where both the slide grooves 265 and both the rail portions 280 are fitted at the slide end position. By fastening through 292, the separate vehicle speed sensor 261 can be accurately positioned and firmly fixed to the sensor fixing member 270.
Also in the third embodiment, similarly to the first embodiment, both the slide grooves 265 of the sensor main body 262 are fitted to both the rail portions 280 from the radially outer side (upward) of the fixed cylinder portion 271 of the sensor fixing member 270. Since it can be inserted and slid easily to the slide end position, the positioning and fixing work of the vehicle speed sensor 261 with respect to the sensor fixing member 270 can be easily performed.

次に、この発明の実施例4を図14と図15にしたがって説明する。
図14と図15に示すように、この実施例4に係る車輪用転がり軸受装置においても、センサ固定部材370と車速センサ361との位置決め部及び締結部の形状、構造等を変更したものであり、センサ本体362の両スライド溝365と、センサ固定部材370の両レール部380とは、センサ固定部材370の固定筒部371の半径方向に交差(図15では直交)する方向に平行して形成されると共に、半径方向に交差する方向の一方から嵌挿可能に構成されている。
Next, a fourth embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 14 and 15, also in the rolling bearing device for a wheel according to the fourth embodiment, the shape and structure of the positioning portion and the fastening portion of the sensor fixing member 370 and the vehicle speed sensor 361 are changed. Both the slide grooves 365 of the sensor main body 362 and both the rail portions 380 of the sensor fixing member 370 are formed in parallel to the direction intersecting (orthogonal in FIG. 15) with the radial direction of the fixed cylinder portion 371 of the sensor fixing member 370. In addition, it is configured to be insertable from one of the directions intersecting the radial direction.

すなわち、センサ固定部材370の上部には、固定筒部371と環状部375とにわたってセンサ組付孔379が形成される。
環状部375側に形成されるセンサ組付孔379の片側部(図14に向かって左側)には、センサ本体362の両スライド溝365にスライド可能に嵌合する両レール部380が上下に対向して形成されている。
そして、センサ本体362の両スライド溝365を両レール部380に嵌挿した後、スライド溝365の端部にレール部380の端縁が当接するスライド端位置まで車速センサ361がスライドされるようになっている。そして、両スライド溝365と両レール部380とはセンサ固定部材370の固定筒部371の半径方向と交差(直交)する方向の一方から嵌挿可能に構成されている。
That is, a sensor assembly hole 379 is formed in the upper part of the sensor fixing member 370 across the fixed cylinder portion 371 and the annular portion 375.
On one side (left side as viewed in FIG. 14) of the sensor assembly hole 379 formed on the annular portion 375 side, both rail portions 380 slidably fitted in both slide grooves 365 of the sensor main body 362 are vertically opposed. Is formed.
After both the slide grooves 365 of the sensor main body 362 are fitted and inserted into the rail portions 380, the vehicle speed sensor 361 is slid to the slide end position where the end edge of the rail portion 380 contacts the end portion of the slide groove 365. It has become. Both slide grooves 365 and both rail portions 380 are configured to be insertable from one of the directions intersecting (orthogonal) with the radial direction of the fixed cylinder portion 371 of the sensor fixing member 370.

また、スライド溝365の端部に、レール部380の端縁が当接するスライド端位置まで車速センサ361がスライドされた状態で、センサ本体362の取付部366に対向するセンサ固定部材370の環状部375の部分を固定部382としている。この固定部382には、実施例1と同様にして、取付部366のスリーブ367の中心孔とが同一中心線上に貫通孔383が形成されると共に、固定部382の内面側にはナット392が配設される。このナット392は、固定部382の内面側に溶接されることが好ましい。
この実施例4のその他の構成は実施例1と同様にして構成されるためその説明は省略する。
Further, the annular portion of the sensor fixing member 370 facing the mounting portion 366 of the sensor main body 362 in a state where the vehicle speed sensor 361 is slid to the slide end position where the end edge of the rail portion 380 contacts the end portion of the slide groove 365. A portion 375 is a fixing portion 382. As in the first embodiment, the fixing portion 382 has a through hole 383 formed on the same center line as the center hole of the sleeve 367 of the attachment portion 366, and a nut 392 on the inner surface side of the fixing portion 382. Arranged. The nut 392 is preferably welded to the inner surface side of the fixed portion 382.
Since other configurations of the fourth embodiment are configured in the same manner as the first embodiment, description thereof is omitted.

この実施例4に係る車輪用転がり軸受装置は上述したように構成される。
したがって、センサ固定部材370に車速センサ361を位置決めして固定する場合、車速センサ361は、センサ本体362の両スライド溝365を、センサ固定部材370の固定筒部371の半径方向と交差する方向の一方からセンサ固定部材370のレール部380に嵌挿してスライド端位置までスライドされることで位置決めされる。この際、センサ本体362の取付部366のスリーブ367の中心孔と、固定部382のナット392とが同一中心線上に位置合わせされる。
ここで、締結具としての締結ボルト391の雄ねじ部が取付部366のスリーブ367の中心孔を通して固定部382のナット392にねじ込まれて締結されることで、センサ固定部材370に対し、車速センサ361が位置決めされて固定される。
The wheel rolling bearing device according to the fourth embodiment is configured as described above.
Therefore, when the vehicle speed sensor 361 is positioned and fixed to the sensor fixing member 370, the vehicle speed sensor 361 has both the slide grooves 365 of the sensor main body 362 in a direction intersecting with the radial direction of the fixed cylinder portion 371 of the sensor fixing member 370. It is positioned by being inserted into the rail portion 380 of the sensor fixing member 370 from one side and slid to the slide end position. At this time, the center hole of the sleeve 367 of the mounting portion 366 of the sensor main body 362 and the nut 392 of the fixing portion 382 are aligned on the same center line.
Here, the male screw portion of the fastening bolt 391 as a fastener is screwed into the nut 392 of the fixing portion 382 through the center hole of the sleeve 367 of the attachment portion 366 and fastened, whereby the vehicle speed sensor 361 is connected to the sensor fixing member 370. Is positioned and fixed.

前記したようにして、両スライド溝365と両レール部380とがスライド端位置で嵌合した状態で、取付部366と固定部382とを締結ボルト391とナット392によって締結することによって、センサ固定部材370に対し、別体の車速センサ361を、正確に位置決めして強固に固定することができる。   As described above, the sensor fixing is performed by fastening the mounting portion 366 and the fixing portion 382 with the fastening bolt 391 and the nut 392 in a state where the both slide grooves 365 and the rail portions 380 are fitted at the slide end position. A separate vehicle speed sensor 361 can be accurately positioned and firmly fixed to the member 370.

また、センサ本体362は、センサ固定部材370の固定筒部371の半径方向に交差(直交)する方向に平行して固定されるため、実施例1で述べたセンサ固定部材の固定筒部の半径方向に沿って固定される場合と比べ、センサ固定部材370の固定筒部371の外径方向へのセンサ本体362の突出量(はみ出し量)を抑制して固定することができる。
このため、外輪部材が組み付けられる車体側部材に、車速センサ361との干渉を避ける凹部を形成する必要がない。
Further, since the sensor main body 362 is fixed in parallel with a direction intersecting (orthogonal to) the radial direction of the fixed cylindrical portion 371 of the sensor fixing member 370, the radius of the fixed cylindrical portion of the sensor fixing member described in the first embodiment. Compared to the case where the sensor main body 362 is fixed along the direction, the sensor main body 362 can be fixed while suppressing the protrusion amount (protrusion amount) of the sensor fixing member 370 in the outer diameter direction of the fixed cylinder portion 371.
For this reason, it is not necessary to form the recessed part which avoids interference with the vehicle speed sensor 361 in the vehicle body side member to which the outer ring member is assembled.

次に、この発明の実施例5を図16と図17にしたがって説明する。
図16と図17に示すように、この実施例5に係る車輪用転がり軸受装置においても、センサ固定部材470と車速センサ461との位置決め部及び締結部の形状、構造等を変更したものであり、車速センサ461のセンサ本体462は、センサ固定部材470の固定筒部471の周方向に沿って円弧状に形成されている。
また、センサ本体462の両スライド溝465と、センサ固定部材470の両レール部480とは、センサ本体462の円弧に沿ってそれぞれ円弧状に形成される共に、円弧の一方から嵌挿可能に構成されている。
Next, a fifth embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 16 and 17, also in the rolling bearing device for a wheel according to the fifth embodiment, the shape and structure of the positioning portion and the fastening portion of the sensor fixing member 470 and the vehicle speed sensor 461 are changed. The sensor body 462 of the vehicle speed sensor 461 is formed in an arc shape along the circumferential direction of the fixed cylinder portion 471 of the sensor fixing member 470.
Further, both the slide grooves 465 of the sensor main body 462 and the both rail portions 480 of the sensor fixing member 470 are formed in an arc shape along the arc of the sensor main body 462, and can be inserted from one of the arcs. Has been.

すなわち、センサ固定部材470の上部には、固定筒部471と環状部475とにわたってセンサ組付孔479が形成される。
環状部475側に形成されるセンサ組付孔479の片側部(図16に向かって左側)には、センサ本体462の両スライド溝465にスライド可能に嵌合する両レール部480が上下に対向して形成されている。
また、センサ本体462の両スライド溝465を両レール部480に嵌挿した後、スライド溝465の端部にレール部480の端縁が当接するスライド端位置まで車速センサ461がスライドされるようになっている。そして、両スライド溝465と両レール部480とは、センサ固定部材470の固定筒部471の周方向に沿う円弧の一方から嵌挿可能に構成されている。
That is, a sensor assembly hole 479 is formed in the upper portion of the sensor fixing member 470 so as to extend between the fixed cylinder portion 471 and the annular portion 475.
On one side of the sensor assembly hole 479 formed on the annular portion 475 side (left side as viewed in FIG. 16), both rail portions 480 slidably fitted in both slide grooves 465 of the sensor main body 462 are vertically opposed. Is formed.
Further, after both the slide grooves 465 of the sensor main body 462 are fitted and inserted into the both rail portions 480, the vehicle speed sensor 461 is slid to the slide end position where the end edge of the rail portion 480 contacts the end portion of the slide groove 465. It has become. Both slide grooves 465 and both rail portions 480 are configured to be fitted and inserted from one of arcs along the circumferential direction of the fixed cylinder portion 471 of the sensor fixing member 470.

また、両スライド溝465の端部に、両レール部480の端縁が当接するスライド端位置まで車速センサ461がスライドされた状態で、センサ本体462の取付部466に対向するセンサ固定部材470の環状部475の部分を固定部482としている。この固定部482には、実施例1と同様にして、取付部466のスリーブ467の中心孔とが同一中心線上に貫通孔483が形成されると共に、固定部482の内面側にはナット492が配設される。このナット492は、固定部482の内面側に溶接されることが好ましい。
この実施例5のその他の構成は実施例1と同様にして構成されるため、その説明は省略する。
In addition, the sensor fixing member 470 facing the mounting portion 466 of the sensor main body 462 in a state where the vehicle speed sensor 461 is slid to the slide end position where the end edges of the rail portions 480 come into contact with the ends of the slide grooves 465. A portion of the annular portion 475 is a fixing portion 482. As in the first embodiment, the fixing portion 482 has a through hole 483 formed on the same center line as the center hole of the sleeve 467 of the mounting portion 466, and a nut 492 on the inner surface side of the fixing portion 482. Arranged. The nut 492 is preferably welded to the inner surface side of the fixed portion 482.
Since other configurations of the fifth embodiment are configured in the same manner as the first embodiment, description thereof is omitted.

この実施例5に係る車輪用転がり軸受装置は上述したように構成される。
したがって、センサ固定部材470に車速センサ461を位置決めして固定する場合、車速センサ461は、センサ本体462の両スライド溝465を、センサ固定部材470の固定筒部471の周方向に沿う円弧の一方からセンサ固定部材470のレール部480に嵌挿してスライド端位置までスライドされることで位置決めされる。この際、センサ本体462の取付部466のスリーブ467の中心孔と、固定部482のナット492とが同一中心線上に位置合わせされる。
ここで、締結具としての締結ボルト491の雄ねじ部が取付部466のスリーブ467の中心孔を通して固定部482のナット492にねじ込まれて締結されることで、センサ固定部材470に対し、車速センサ461が位置決めされて固定される。
The wheel rolling bearing device according to the fifth embodiment is configured as described above.
Therefore, when the vehicle speed sensor 461 is positioned and fixed to the sensor fixing member 470, the vehicle speed sensor 461 has both slide grooves 465 of the sensor main body 462 in one of arcs along the circumferential direction of the fixed cylinder portion 471 of the sensor fixing member 470. Is inserted into the rail portion 480 of the sensor fixing member 470 and is slid to the slide end position. At this time, the center hole of the sleeve 467 of the mounting portion 466 of the sensor body 462 and the nut 492 of the fixing portion 482 are aligned on the same center line.
Here, the male screw portion of the fastening bolt 491 as a fastener is screwed into the nut 492 of the fixing portion 482 through the center hole of the sleeve 467 of the attachment portion 466 and fastened, whereby the vehicle speed sensor 461 is connected to the sensor fixing member 470. Is positioned and fixed.

前記したようにして、両スライド溝465と両レール部480とがスライド端位置で嵌合した状態で、取付部466と固定部482とを締結ボルト491とナット492によって締結することによって、センサ固定部材470に対し、別体の車速センサ461を、正確に位置決めして強固に固定することができる。
また、センサ本体462は、センサ固定部材470の固定筒部471の周方向に沿って円弧状をなして固定されるため、実施例4で述べたセンサ固定部材の固定筒部の半径方向に交差する方向に沿って車速センサが固定される場合と比べても、センサ固定部材470の固定筒部471の外径方向へのセンサ本体462の突出(はみ出し)を良好に抑制して固定することができる。
このため、外輪部材が組み付けられる車体側部材に、車速センサ461との干渉を避ける凹部を形成する必要がない。
As described above, the sensor fixing is performed by fastening the mounting portion 466 and the fixing portion 482 with the fastening bolt 491 and the nut 492 in a state where the both slide grooves 465 and the rail portions 480 are fitted at the slide end position. A separate vehicle speed sensor 461 can be accurately positioned and firmly fixed to the member 470.
Further, since the sensor main body 462 is fixed in an arc shape along the circumferential direction of the fixed cylinder portion 471 of the sensor fixing member 470, it intersects the radial direction of the fixed cylinder portion of the sensor fixing member described in the fourth embodiment. Compared to the case where the vehicle speed sensor is fixed along the direction in which the sensor is fixed, the sensor body 462 can be well suppressed and fixed in the outer diameter direction of the fixed cylinder portion 471 of the sensor fixing member 470. it can.
For this reason, it is not necessary to form the recessed part which avoids interference with the vehicle speed sensor 461 in the vehicle body side member to which the outer ring member is assembled.

次に、この発明の実施例6を図18〜図20にしたがって説明する。
図18〜図20に示すように、この実施例6に係る車輪用転がり軸受装置においては、エンコーダ560の配置位置と、センサ固定部材570と車速センサ561との位置決め部及び締結部の形状、構造等を変更したものである。
エンコーダ560は、内輪体(内輪部材531)536の端部の鍔部外周面に圧入固定されるスリンガー567の筒部568の外周面に環状に貼り付けられている。このエンコーダ60の外周面には、周方向に磁気特性(S極、N極)が交互に変化するように着磁された非検出部としての着磁面が形成されている。
Next, Embodiment 6 of the present invention will be described with reference to FIGS.
As shown in FIGS. 18 to 20, in the wheel rolling bearing device according to the sixth embodiment, the arrangement position of the encoder 560, the shape and structure of the positioning portion and the fastening portion of the sensor fixing member 570 and the vehicle speed sensor 561 are arranged. Etc. are changed.
The encoder 560 is annularly attached to the outer peripheral surface of the cylindrical portion 568 of the slinger 567 that is press-fitted and fixed to the outer peripheral surface of the flange portion at the end of the inner ring body (inner ring member 531) 536. On the outer peripheral surface of the encoder 60, a magnetized surface is formed as a non-detection portion that is magnetized so that the magnetic characteristics (S pole and N pole) change alternately in the circumferential direction.

また、スリンガー567の筒部568の一端には、雨水等からエンコーダ560を保護するために半径方向外方に直角状に曲げられた環状部569が形成されている。
また、スリンガー567の下部には、その筒部568と環状部569との境界部に排水孔(図示しない)が形成されることが望ましい。
なお、エンコーダ560を有するスリンガー567は、センサ固定部材570が外輪部材540の一端部外周面に圧入固定された後、内輪体536端部の鍔部外周面に圧入固定される。
In addition, an annular portion 569 bent at a right angle outward in the radial direction is formed at one end of the cylindrical portion 568 of the slinger 567 to protect the encoder 560 from rainwater or the like.
Further, it is desirable that a drainage hole (not shown) is formed in a lower portion of the slinger 567 at a boundary portion between the cylindrical portion 568 and the annular portion 569.
The slinger 567 having the encoder 560 is press-fitted and fixed to the outer peripheral surface of the flange at the end of the inner ring body 536 after the sensor fixing member 570 has been press-fitted and fixed to the outer peripheral surface of the outer ring member 540.

外輪部材540の一端部外周面には、エンコーダ560に対応する車速センサ561を位置決めして固定するセンサ固定部材570が固定筒部571において圧入固定される。
そして、車速センサ561のセンサ本体562の両スライド溝565と、センサ固定部材570の両レール部580とは、センサ固定部材570の固定筒部571の半径方向に交差(図19では直交)する方向に平行して形成されると共に、半径方向に交差する方向の一方から嵌挿可能に構成されている。
A sensor fixing member 570 for positioning and fixing the vehicle speed sensor 561 corresponding to the encoder 560 is press-fitted and fixed to the outer peripheral surface of the one end portion of the outer ring member 540 by a fixed cylinder portion 571.
Then, both slide grooves 565 of the sensor main body 562 of the vehicle speed sensor 561 and both rail portions 580 of the sensor fixing member 570 intersect with the radial direction of the fixed cylinder portion 571 of the sensor fixing member 570 (perpendicular in FIG. 19). And can be inserted from one of the directions intersecting the radial direction.

すなわち、図19と図20に示すように、センサ固定部材570は、鋼板がプレス加工されることで形成され、外輪部材540の一端部外周面に圧入固定される固定筒部571と、この固定筒部571の一端から半径方向内方へ直角状に曲げられた環状部575とを有している。
また、固定筒部571と環状部575との境界部分には、実施例1と同様にして、外輪部材540の一端部外周面に対する圧入量を制限して位置決めする当接部572、573が形成され、固定筒部571と環状部575との境界部分の下端部には、水抜き孔(図示しない)が形成されている。
That is, as shown in FIGS. 19 and 20, the sensor fixing member 570 is formed by pressing a steel plate, and is fixed to the outer peripheral surface of one end of the outer ring member 540 by a fixed cylinder portion 571, and this fixing And an annular portion 575 bent at a right angle inward in the radial direction from one end of the cylindrical portion 571.
Further, in the same manner as in the first embodiment, contact portions 572 and 573 for limiting and positioning the press-fitting amount with respect to the outer peripheral surface of the one end portion of the outer ring member 540 are formed at the boundary portion between the fixed cylindrical portion 571 and the annular portion 575. A drain hole (not shown) is formed at the lower end portion of the boundary portion between the fixed cylinder portion 571 and the annular portion 575.

環状部575の上部内径縁には、センサ本体562の両スライド溝565にスライド可能に嵌合する両レール部580と、センサ本体562の取付部566に対向する固定部582とが一体連続状をなして形成されている。
また、固定部582には、センサ本体562の取付部566のスリーブ567の中心孔と同一中心線上に貫通孔583が形成されると共に、固定部582の内面側にはナット592が配設される。このナット592は、固定部582の内面側に溶接されることが好ましい。
On the upper inner diameter edge of the annular portion 575, both rail portions 580 slidably fitted in both slide grooves 565 of the sensor main body 562 and a fixing portion 582 facing the mounting portion 566 of the sensor main body 562 are integrally continuous. It is formed without.
In addition, a through hole 583 is formed in the fixing portion 582 on the same center line as the center hole of the sleeve 567 of the mounting portion 566 of the sensor body 562, and a nut 592 is disposed on the inner surface side of the fixing portion 582. . The nut 592 is preferably welded to the inner surface side of the fixed portion 582.

さらに、両スライド溝565と両レール部580とはセンサ固定部材570の固定筒部571の半径方向と交差(直交)する方向の一方から嵌挿可能に構成されている。
この実施例6のその他の構成は実施例1と同様にして構成されるため、その説明は省略する。
Furthermore, both the slide grooves 565 and the both rail portions 580 are configured to be able to be inserted from one of the directions intersecting (orthogonal) with the radial direction of the fixed cylinder portion 571 of the sensor fixing member 570.
Since other configurations of the sixth embodiment are configured in the same manner as in the first embodiment, description thereof is omitted.

この実施例6に係る車輪用転がり軸受装置は上述したように構成される。
したがって、センサ固定部材570に車速センサ561を位置決めして固定する場合、車速センサ561は、センサ本体562の両スライド溝565が、センサ固定部材570の固定筒部571の半径方向と交差する方向の一方からセンサ固定部材570のレール部580に嵌挿されてスライド端位置までスライドされることで位置決めされる。この際、センサ本体562の取付部566のスリーブ567の中心孔と、固定部582のナット592とが同一中心線上に位置合わせされる。
ここで、締結具としての締結ボルト591の雄ねじ部が取付部566のスリーブ567の中心孔を通して固定部582のナット592にねじ込まれて締結されることで、センサ固定部材570に対し、車速センサ561が位置決めされて固定される。
The wheel rolling bearing device according to the sixth embodiment is configured as described above.
Therefore, when the vehicle speed sensor 561 is positioned and fixed to the sensor fixing member 570, the vehicle speed sensor 561 is configured such that both the slide grooves 565 of the sensor main body 562 intersect the radial direction of the fixed cylinder portion 571 of the sensor fixing member 570. The sensor fixing member 570 is positioned from one side by being inserted into the rail portion 580 and slid to the slide end position. At this time, the center hole of the sleeve 567 of the mounting portion 566 of the sensor body 562 and the nut 592 of the fixing portion 582 are aligned on the same center line.
Here, the male screw portion of the fastening bolt 591 as a fastener is screwed into the nut 592 of the fixing portion 582 through the center hole of the sleeve 567 of the attachment portion 566 and fastened, whereby the vehicle speed sensor 561 is connected to the sensor fixing member 570. Is positioned and fixed.

前記したようにして、両スライド溝565と両レール部580とがスライド端位置で嵌合した状態で、取付部566と固定部582とを締結ボルト591とナット592によって締結することによって、センサ固定部材570に対し、別体の車速センサ561を、正確に位置決めして強固に固定することができる。
また、センサ本体562は、センサ固定部材570の固定筒部571の半径方向に交差(直交)する方向に平行して固定されるため、実施例1で述べたセンサ固定部材の固定筒部の半径方向に沿って固定される場合と比べ、センサ固定部材570の固定筒部571の外径方向へのセンサ本体562の突出量(はみ出し量)を抑制して固定することができる。
このため、外輪部材が組み付けられる車体側部材に、車速センサ561との干渉を避ける凹部を形成する必要がない。
As described above, the sensor fixing is performed by fastening the attachment portion 566 and the fixing portion 582 with the fastening bolt 591 and the nut 592 in a state where the both slide grooves 565 and the rail portions 580 are fitted at the slide end position. A separate vehicle speed sensor 561 can be accurately positioned and firmly fixed to the member 570.
Further, since the sensor main body 562 is fixed in parallel to a direction intersecting (orthogonal to) the radial direction of the fixed cylindrical portion 571 of the sensor fixing member 570, the radius of the fixed cylindrical portion of the sensor fixing member described in the first embodiment. Compared to the case where the sensor main body 562 is fixed along the direction, the sensor main body 562 can be fixed while suppressing the amount of protrusion (the amount of protrusion) of the sensor main body 562 in the outer diameter direction of the fixed cylindrical portion 571 of the sensor fixing member 570.
For this reason, it is not necessary to form the recessed part which avoids interference with the vehicle speed sensor 561 in the vehicle body side member to which the outer ring member is assembled.

なお、この発明は前記実施例1〜6に限定するものではなく、この発明の要旨を逸脱しない範囲内において、種々なる形態で実施することもできる。
例えば、車速センサの取付部と、センサ固定部材の固定部とを締結する締結具としては、締結ボルトとナット、締結ピンとスリーブの他、リベット等であってもよい。
In addition, this invention is not limited to the said Examples 1-6, In the range which does not deviate from the summary of this invention, it can also be implemented with a various form.
For example, as a fastener that fastens the mounting portion of the vehicle speed sensor and the fixing portion of the sensor fixing member, a rivet or the like may be used in addition to a fastening bolt and nut, a fastening pin and a sleeve.

13 ナックル(車体側部材)
30 複列の転がり軸受
31 内輪部材
36 内輪体
40 外輪部材
43、44 転動体
60、560 エンコーダ
61、161、261、361、461、561 車速センサ
62、162、262、362、462、562 センサ本体
65、165、265、365、465、565 スライド溝(スライド部)
66、166、266、366、466、566 取付部
70、170、270、370、470、570 センサ固定部材
71、171、271、371、471、571 固定筒部
80、180、280、380、480、580 レール部
91、191、391、491、591 締結ボルト(締結具)
92、192、392、492、592 ナット(締結具)
291 締結ピン(締結具)
292 スリーブ(締結具)
13 Knuckles (vehicle body side members)
30 Double-row rolling bearing 31 Inner ring member 36 Inner ring body 40 Outer ring member 43, 44 Rolling body 60, 560 Encoder 61, 161, 261, 361, 461, 561 Vehicle speed sensor 62, 162, 262, 362, 462, 562 Sensor body 65, 165, 265, 365, 465, 565 Slide groove (slide part)
66, 166, 266, 366, 466, 566 Mounting part 70, 170, 270, 370, 470, 570 Sensor fixing member 71, 171, 271, 371, 471, 571 Fixed cylinder part 80, 180, 280, 380, 480 580 Rail part 91,191,391,491,591 Fastening bolt (fastener)
92, 192, 392, 492, 592 Nut (fastener)
291 Fastening pin (fastener)
292 Sleeve (fastener)

Claims (4)

車体側部材に組み付けられる外輪部材と、車軸側に組み付けられる内輪部材と、前記外輪部材と前記内輪部材との間に転動可能に配置される転動体とを備え、前記内輪部材の一端部外周面に、周方向に磁気特性が交互に変化するように着磁されたエンコーダが組み付けられ、前記外輪部材の一端部外周面に、センサ固定部材が組み付けられ、前記センサ固定部材に、前記エンコーダに対応する車速センサが取り付けられた車輪用転がり軸受装置であって、
前記車速センサは、前記エンコーダの非検出部を検出可能な検出部を有する検出機構が内設されたセンサ本体と、このセンサ本体の両側部に形成されたスライド部と、前記センサ本体に一体状に設けられた取付部とを有し、
前記センサ固定部材は、前記外輪部材の一端部外周面に圧入固定される固定筒部と、前記スライド部にスライド可能に嵌合して前記車速センサをスライド端位置まで案内するレール部と、前記車速センサがスライド端位置までスライドされた状態で前記取付部に対向する固定部とを有し、
前記スライド部と前記レール部とがスライド端位置で嵌合した状態で前記取付部が前記固定部に締結具によって締結されることで前記センサ固定部材に前記車速センサが位置決めされて固定される構成にしてあることを特徴とする車輪用転がり軸受装置。
An outer ring member assembled to the vehicle body side member, an inner ring member assembled to the axle side, and a rolling element arranged to roll between the outer ring member and the inner ring member, and an outer periphery of one end of the inner ring member An encoder magnetized so that the magnetic characteristics alternately change in the circumferential direction is assembled on the surface, a sensor fixing member is assembled on the outer peripheral surface of one end of the outer ring member, and the sensor fixing member is attached to the encoder. A rolling bearing device for a wheel equipped with a corresponding vehicle speed sensor,
The vehicle speed sensor is integrated with a sensor main body having a detection mechanism having a detection portion capable of detecting a non-detection portion of the encoder, slide portions formed on both sides of the sensor main body, and the sensor main body. And a mounting portion provided on the
The sensor fixing member includes a fixed cylinder portion that is press-fitted and fixed to an outer peripheral surface of one end portion of the outer ring member, a rail portion that is slidably fitted to the slide portion and guides the vehicle speed sensor to a slide end position, A vehicle speed sensor having a fixed portion facing the mounting portion in a state where the vehicle speed sensor is slid to the slide end position;
A configuration in which the vehicle speed sensor is positioned and fixed to the sensor fixing member by fastening the attachment portion to the fixing portion with a fastener in a state where the slide portion and the rail portion are fitted at the slide end position. A rolling bearing device for a wheel, characterized in that:
請求項1に記載の車輪用転がり軸受装置であって、
スライド部とレール部とは、センサ固定部材の固定筒部の半径方向に平行して形成されると共に、半径方向外方から嵌挿可能に構成されていることを特徴とする車輪用転がり軸受装置。
It is a rolling bearing device for wheels according to claim 1,
A rolling bearing device for a wheel, wherein the slide portion and the rail portion are formed in parallel to the radial direction of the fixed cylinder portion of the sensor fixing member and are configured to be fitted and inserted from the outside in the radial direction. .
請求項1に記載の車輪用転がり軸受装置であって、
スライド部とレール部とは、センサ固定部材の固定筒部の半径方向に交差する方向に平行して形成されると共に、半径方向に交差する方向の一方から嵌挿可能に構成されていることを特徴とする車輪用転がり軸受装置。
It is a rolling bearing device for wheels according to claim 1,
The slide portion and the rail portion are formed in parallel to the direction intersecting with the radial direction of the fixed cylinder portion of the sensor fixing member, and are configured to be insertable from one of the directions intersecting with the radial direction. A rolling bearing device for wheels.
請求項1に記載の車輪用転がり軸受装置であって、
センサ本体は、センサ固定部材の固定筒部の周方向に沿って円弧状に形成され、
スライド部とレール部とは、前記センサ本体の円弧に沿ってそれぞれ円弧状に形成される共に、円弧の一方から嵌挿可能に構成されていることを特徴とする車輪用転がり軸受装置。
It is a rolling bearing device for wheels according to claim 1,
The sensor body is formed in an arc shape along the circumferential direction of the fixed cylinder portion of the sensor fixing member,
The rolling bearing device for a wheel according to claim 1, wherein the slide portion and the rail portion are each formed in an arc shape along the arc of the sensor body, and are configured to be fitted and inserted from one of the arcs.
JP2009184514A 2009-08-07 2009-08-07 Roller bearing system for wheel Pending JP2011038826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009184514A JP2011038826A (en) 2009-08-07 2009-08-07 Roller bearing system for wheel

Publications (1)

Publication Number Publication Date
JP2011038826A true JP2011038826A (en) 2011-02-24

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Country Status (1)

Country Link
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009092168A (en) * 2007-10-10 2009-04-30 Jtekt Corp Rolling bearing device with sensor
JP2009097660A (en) * 2007-10-18 2009-05-07 Jtekt Corp Rolling bearing device with sensor
JP2009174704A (en) * 2007-12-26 2009-08-06 Jtekt Corp Rolling bearing device with sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009092168A (en) * 2007-10-10 2009-04-30 Jtekt Corp Rolling bearing device with sensor
JP2009097660A (en) * 2007-10-18 2009-05-07 Jtekt Corp Rolling bearing device with sensor
JP2009174704A (en) * 2007-12-26 2009-08-06 Jtekt Corp Rolling bearing device with sensor

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