JPH0745014Y2 - Pulse ring - Google Patents
Pulse ringInfo
- Publication number
- JPH0745014Y2 JPH0745014Y2 JP1989124198U JP12419889U JPH0745014Y2 JP H0745014 Y2 JPH0745014 Y2 JP H0745014Y2 JP 1989124198 U JP1989124198 U JP 1989124198U JP 12419889 U JP12419889 U JP 12419889U JP H0745014 Y2 JPH0745014 Y2 JP H0745014Y2
- Authority
- JP
- Japan
- Prior art keywords
- annular plate
- tooth profile
- cylindrical portion
- pulse ring
- entire circumference
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/488—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、車輪等の回転体の回転速度を検出するた
め、回転体に取付け、磁気センサ等と組合せて使用され
るパルスリングに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a pulse ring which is attached to a rotating body and used in combination with a magnetic sensor or the like to detect the rotation speed of a rotating body such as a wheel.
例えば、自動車をアンチロックブレーキシステム（AL
B）によって制御するため、前車輪及び後車輪の回転数
を検出するパルスリングには、軽量化、低コスト化、高
検出精度化が要求され、これに基づいて、本出願人は実
願昭62-177927号により、歯形をしごき加工により形成
した鋼板製のパルスリングを提案した。For example, an automobile may have an antilock brake system (AL
The pulse ring for detecting the rotation speeds of the front wheels and the rear wheels is required to be lighter in weight, lower in cost, and higher in detection accuracy because it is controlled by B). No. 62-177927, we proposed a steel plate pulse ring whose tooth profile was formed by ironing.
上記しごき加工によるパルスリングは、環状板の外周縁
に片側へ直角に屈曲する円筒部を設け、この円筒部にし
ごき加工を施し、山部と谷部が交互に連続する歯形を形
成した構造になっている。The above-mentioned ironing pulse ring has a structure in which a cylindrical portion that bends at a right angle to one side is provided on the outer peripheral edge of the annular plate, and this cylindrical portion is ironed to form a tooth profile in which peaks and valleys are alternately continuous. Has become.
ところで、しごき加工によって形成した鋼板製パルスリ
ングの場合、検出精度を向上させるために、歯形におけ
る谷部の深さを十分に確保すると共に歯形のピッチ精度
を出さなければならず、このためかなり強いしごき加工
を行なわなければならない。By the way, in the case of a steel plate pulse ring formed by ironing, in order to improve the detection accuracy, it is necessary to secure a sufficient depth of the troughs in the tooth profile and to provide the pitch accuracy of the tooth profile, which is considerably strong. Ironing must be done.
しかしながら、鋼板を折り曲げて形成した円筒部は、環
状板に連なる端部と開放側端部とに剛性や塑性変形性に
差があり、このため、しごき加工によって歯形を形成す
ると、山部の形状が環状板側の端部に近くなるほど細幅
状に変化して谷部へ向けてのだれが発生し、磁気センサ
で検出するための有効範囲内において山部の形状が変化
し、磁気センサの出力波形の頂部がだれ、検出精度が劣
るという問題がある。However, the cylindrical part formed by bending the steel plate has a difference in rigidity and plastic deformability between the end part connected to the annular plate and the open end part. Therefore, when the tooth profile is formed by ironing, the shape of the crest part is formed. Becomes closer to the end on the side of the annular plate, which causes a droop toward the valley, and the shape of the crest changes within the effective range for detection by the magnetic sensor. There is a problem that the detection accuracy is deteriorated due to the sag of the output waveform.
また、パルスリングは、自動車のホイール用軸受に外部
へ露出した状態で固定されるため、耐衝撃性の優れた剛
性が要求されるが、歯形が円筒部の幅方向全長にわたっ
て形成された構造では、歯形部分の端部の剛性が劣り、
飛来した小石等の衝突により、歯形に変形や損傷が発生
し、検出精度が低下するという問題がある。Further, since the pulse ring is fixed to the wheel bearing of an automobile while being exposed to the outside, rigidity with excellent impact resistance is required, but in the structure in which the tooth profile is formed over the entire length in the width direction of the cylindrical portion. , The rigidity of the end of the tooth profile is poor,
There is a problem in that the tooth profile is deformed or damaged due to the collision of flying pebbles and the like, and the detection accuracy is reduced.
そこでこの考案は、上記のような問題点を解決するた
め、歯形の形状を幅方向全長に均一化して検出精度を向
上させることができると共に、剛性の優れたパルスリン
グを提供することを目的としている。Therefore, in order to solve the above-mentioned problems, the present invention aims to provide a pulse ring having excellent rigidity, which can improve the detection accuracy by making the shape of the tooth profile uniform over the entire length in the width direction. There is.
上記のような課題を解決するため、この考案は、磁性ス
テンレス製の環状板の外周縁に片側へ直角に屈曲する円
筒部を連成し、この円筒部の環状板と連なる端部の全周
に連続したリブ部を設け、該リブ部の幅を環状板の板厚
と同等以上の幅に設け、前記円筒部の全周にわたって山
部と谷部が交互に連続する歯形と環状板の途中に段部を
曲げ加工によって形成した構成を採用したものである。In order to solve the above-mentioned problems, the present invention forms a cylindrical portion that is bent at a right angle to one side on the outer peripheral edge of an annular plate made of magnetic stainless steel, and the entire circumference of the end portion of the cylindrical portion that is continuous with the annular plate. A continuous rib portion, the width of the rib portion is equal to or greater than the plate thickness of the annular plate, and the tooth profile and the annular plate in which peaks and valleys are alternately continuous over the entire circumference of the cylindrical portion The structure in which the step is formed by bending is adopted.
円筒部の環状板と連なる端部の全周にリブ部を設けたの
で、歯形を形成した円筒部の剛性を高めることができ、
しかも歯形は曲げ加工により形成したので山部の形状を
歯形の幅方向全長にわたって均一に成形でき、検出精度
が向上する。Since the rib portion is provided on the entire circumference of the end portion connected to the annular plate of the cylindrical portion, the rigidity of the cylindrical portion having the tooth profile can be increased,
Moreover, since the tooth profile is formed by bending, the peak shape can be uniformly formed over the entire length in the width direction of the tooth profile, and the detection accuracy is improved.
以下、この考案の実施例を添付図面に基づいて説明す
る。An embodiment of the present invention will be described below with reference to the accompanying drawings.
図示のように、パルスリング１は、鋼板を用い、プレス
加工することにより製作され、環状板２の内周縁に片側
へ屈曲するボス部３を設け、外周縁に同じ側へ屈曲する
円筒部４を連成すると共に、円筒部４の全周にわたって
山部５と谷部６が交互に連続する歯形７が形成され、こ
の円筒部４の環状板２と連なる端部の全周に連続したリ
ブ部８が設けられている。As shown in the figure, the pulse ring 1 is manufactured by pressing a steel plate, and a boss portion 3 that bends to one side is provided on the inner peripheral edge of the annular plate 2, and a cylindrical portion 4 that bends to the same side on the outer peripheral edge. And a tooth profile 7 in which peaks 5 and valleys 6 are alternately continuous over the entire circumference of the cylindrical portion 4, and ribs continuous over the entire circumference of the end portion of the cylindrical portion 4 which is continuous with the annular plate 2. A section 8 is provided.
前記リブ部８は、環状板２から円筒部４を屈曲加工した
そのままの状態で、円筒部４に設けた歯形７の残りの部
分によって、環状板２の板厚と等しいかそれ以上の幅に
形成され、歯形７は山部５の頂面がリブ部８の外周面と
同一面高さになっている。The rib portion 8 has a width equal to or larger than the thickness of the annular plate 2 by the remaining portion of the tooth profile 7 provided on the cylindrical portion 4 in a state where the cylindrical portion 4 is bent from the annular plate 2 as it is. The tooth profile 7 is formed such that the top surface of the mountain portion 5 is flush with the outer peripheral surface of the rib portion 8.
上記のように、円筒部４の環状板２側端部に、リブ部８
を環状板２の板厚と等しいかそれ以上の幅で設けたの
で、円筒部４に対する歯形７の形成がプレスによる曲げ
加工によって形成できる。As described above, the rib portion 8 is provided at the end of the cylindrical portion 4 on the annular plate 2 side.
Is provided with a width equal to or larger than the plate thickness of the annular plate 2, the tooth profile 7 can be formed on the cylindrical portion 4 by bending by pressing.
前記歯形７をプレスによる曲げ加工によって形成する
と、山部５を歯形７の幅方向全長にわたって均一な直線
状に成形することができるようになり、磁気センサによ
って検出する有効範囲内において歯形７の精度を向上さ
せることができる。When the tooth profile 7 is formed by bending using a press, the mountain portion 5 can be formed into a uniform linear shape over the entire length in the width direction of the tooth profile 7, and the accuracy of the tooth profile 7 within the effective range detected by the magnetic sensor. Can be improved.
なお、プレスによる歯形７の曲げ加工において、第３図
の如く、谷部６の深さは円筒部４の板厚分よりも深くな
るように形成されている。In the bending process of the tooth profile 7 by pressing, as shown in FIG. 3, the depth of the valley portion 6 is formed to be deeper than the plate thickness of the cylindrical portion 4.
また、パルスリング１の全体的な剛性を高めるため、第
２図に示すように、環状板２の途中に段部９を設けた２
段加工をプレスするようにしてもよい。Further, in order to increase the overall rigidity of the pulse ring 1, as shown in FIG. 2, a step portion 9 is provided in the middle of the annular plate 2.
The step processing may be pressed.
この考案のパルスリングは上記のような構成であり、第
４図に示すように、ホイル用ハブユニット軸受11におけ
る外輪12の端部外周にボス部３を圧入して固定し、この
パルスリング１の外周面と対応する位置に電磁式センサ
13を配置して使用する。The pulse ring of the present invention is constructed as described above, and as shown in FIG. 4, the boss portion 3 is press-fitted and fixed to the outer periphery of the outer ring 12 of the wheel hub unit bearing 11, and the pulse ring 1 Electromagnetic sensor at the position corresponding to the outer peripheral surface of
Place 13 and use.
外輪12に固定したパルスリング１が外輪12と一体に回転
し、円筒部４の周囲に設けた歯形７により発生する起電
力をセンサ13で検出することにより回転数を検出するも
のである。The pulse ring 1 fixed to the outer ring 12 rotates integrally with the outer ring 12, and the rotation speed is detected by detecting the electromotive force generated by the tooth profile 7 provided around the cylindrical portion 4 with the sensor 13.
ところで、パルスリング１の要求機能は、検出精度と剛
性であるが、歯形７はプレスによる曲げ加工によって形
成されているので、山部５の形状とピッチ精度が良く、
優れた検出精度を発揮することができる。なお、パルス
リング１は錆により 回転速度の検出精度が劣化しないように、耐食性がある
磁性ステンレス鋼板を用いるとか、鋼板に耐食性の優れ
た表面処理を施すことで耐久性をもたせることができ
る。By the way, the required functions of the pulse ring 1 are detection accuracy and rigidity, but since the tooth profile 7 is formed by bending by pressing, the shape and pitch accuracy of the crests 5 are good,
Excellent detection accuracy can be exhibited. The pulse ring 1 can be made durable by using a corrosion-resistant magnetic stainless steel plate or by subjecting the steel plate to a surface treatment having excellent corrosion resistance so that the rotation speed detection accuracy does not deteriorate due to rust.
また、円筒部４にリブ部８が設けられ、環状板２は段部
９によって２段加工されているため、歯形７及び全体の
剛性が向上すると同時に耐衝撃性に優れ、検出精度を長
期にわたって維持できる。Further, since the rib portion 8 is provided on the cylindrical portion 4 and the annular plate 2 is processed in two steps by the step portion 9, the rigidity of the tooth profile 7 and the whole is improved, and at the same time, the impact resistance is excellent and the detection accuracy is maintained for a long time. Can be maintained.
以上のように、この考案によると、磁性ステンレス製の
環状板の外周縁に円筒部を連成し、この円筒部の環状板
と連なる端部の全周に環状板の板厚と同等以上の幅でリ
ブ部を設け、円筒部の全周にわたって歯形と環状板の途
中に段部を曲げ加工によって形成したので、歯形をプレ
スによる曲げ加工によって形成することができ、従って
山部の形状が歯形の幅方向全長にわたって均一な形状に
なり、回転速度の検出精度が向上し、検出精度を長期に
わたって維持できる。As described above, according to the present invention, the cylindrical portion is connected to the outer peripheral edge of the annular plate made of magnetic stainless steel, and the entire circumference of the end portion connected to the annular plate of the cylindrical portion is equal to or more than the plate thickness of the annular plate. Since the rib portion is provided with a width and the step is formed by bending the tooth profile and the annular plate in the middle of the entire circumference of the cylindrical portion, the tooth profile can be formed by the bending process by the press, and therefore the shape of the crest portion is the tooth profile. A uniform shape is formed over the entire length in the width direction, the detection accuracy of the rotation speed is improved, and the detection accuracy can be maintained for a long time.
また、リブ部によって歯形形成部分の剛性が向上し、段
部で環状板の剛性が向上するので、耐衝撃性の優れたパ
ルスリングとなる。Further, the rib portion improves the rigidity of the tooth profile forming portion and the step portion improves the rigidity of the annular plate, so that the pulse ring has excellent impact resistance.
第１図はこの考案に係るパルスリングの斜視図、第２図
は同上の縦断側面図、第３図は同上の要部を拡大した正
面図、第４図は同上の使用例を示す縦断面図である。 １……パルスリング、２……環状板、４……円筒部、５
……山部、６……谷部、７……歯形、８……リブ部。FIG. 1 is a perspective view of a pulse ring according to the present invention, FIG. 2 is a vertical sectional side view of the same, FIG. 3 is an enlarged front view of essential parts of the same, and FIG. It is a figure. 1 ... Pulse ring, 2 ... annular plate, 4 ... cylindrical part, 5
...... Mountain, 6 ... Valley, 7 ... Tooth profile, 8 ... Rib section.
Claims (1)
へ直角に屈曲する円筒部を連成し、この円筒部の環状板
と連なる端部の全周に連続したリブ部を設け、該リブ部
の幅を環状板の板厚と同等以上の幅に設け、前記円筒部
の全周にわたって山部と谷部が交互に連続する歯形と環
状板の途中に段部を曲げ加工によって形成したパルスリ
ング。1. An annular plate made of magnetic stainless steel is formed with a cylindrical portion which is bent to one side at a right angle to the outer peripheral edge thereof, and a continuous rib portion is provided on the entire circumference of an end portion of the cylindrical portion which is continuous with the annular plate. The width of the rib portion is set to a width equal to or greater than the thickness of the annular plate, and a step portion is formed by bending in the middle of the tooth profile and the annular plate in which peaks and valleys are alternately continuous over the entire circumference of the cylindrical portion. Pulse ring.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989124198U JPH0745014Y2 (en) | 1989-10-23 | 1989-10-23 | Pulse ring |
| GB9022955A GB2237391B (en) | 1989-10-23 | 1990-10-22 | Pulse ring |
| FR9013035A FR2653551A1 (en) | 1989-10-23 | 1990-10-22 | PULSE GENERATING RING. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989124198U JPH0745014Y2 (en) | 1989-10-23 | 1989-10-23 | Pulse ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0363817U JPH0363817U (en) | 1991-06-21 |
| JPH0745014Y2 true JPH0745014Y2 (en) | 1995-10-11 |
Family
ID=14879416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989124198U Expired - Fee Related JPH0745014Y2 (en) | 1989-10-23 | 1989-10-23 | Pulse ring |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0745014Y2 (en) |
| FR (1) | FR2653551A1 (en) |
| GB (1) | GB2237391B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59200792D1 (en) * | 1992-04-10 | 1994-12-22 | Heidenhain Gmbh Dr Johannes | Division carrier. |
| DE4311496C2 (en) * | 1993-04-07 | 1995-05-24 | Euchner & Co | Manual angle encoder |
| JPH0868804A (en) * | 1994-08-30 | 1996-03-12 | Ntn Corp | Pulser ring made by cold forging |
| US5764051A (en) * | 1993-08-31 | 1998-06-09 | Ntn Corporation | Cold forged toothed ring for producing rotational speed signals |
| DE19813594B4 (en) * | 1998-03-27 | 2006-06-01 | Volkswagen Ag | Method for producing a two-piece donor wheel |
| US6498475B2 (en) * | 2001-03-06 | 2002-12-24 | Delphi Technologies, Inc. | Performance sensor ring with reduced mass |
| ES2237981B1 (en) * | 2002-11-25 | 2006-10-16 | Precisgal Componentes, S.A. | METHOD OF MANUFACTURING IN SERIES OF RINGS ABS. |
| DE102005010348A1 (en) * | 2005-03-07 | 2006-09-14 | Hansa Metallwerke Ag | Sanitary fitting with a water outlet housing and a water supply |
| DE102014015673A1 (en) * | 2014-10-24 | 2016-04-28 | Carl Freudenberg Kg | sensor wheel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7800451A (en) * | 1977-02-03 | 1978-08-07 | Ciba Geigy | MIXTURE OF DI- OR TRITHIOPHOSPHORIC ACID DIESTERS, METHODS FOR PREPARATION AND USE THEREOF. |
| EP0186668A1 (en) * | 1984-06-27 | 1986-07-09 | Motorola, Inc. | Three word instruction pipeline |
| JPS61123970U (en) * | 1985-01-22 | 1986-08-04 | ||
| JPS63118511U (en) * | 1987-01-23 | 1988-08-01 | ||
| DE3703395A1 (en) * | 1987-02-05 | 1988-08-18 | Porsche Ag | Rotor of a wheel speed sensor for antilocking systems of motor vehicles |
| JPH0181517U (en) * | 1987-11-18 | 1989-05-31 | ||
| JPH0614058B2 (en) * | 1988-08-18 | 1994-02-23 | 本田技研工業株式会社 | Pulsar ring and its manufacturing method |
-
1989
- 1989-10-23 JP JP1989124198U patent/JPH0745014Y2/en not_active Expired - Fee Related
-
1990
- 1990-10-22 GB GB9022955A patent/GB2237391B/en not_active Expired - Lifetime
- 1990-10-22 FR FR9013035A patent/FR2653551A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2237391B (en) | 1994-07-20 |
| FR2653551A1 (en) | 1991-04-26 |
| GB2237391A (en) | 1991-05-01 |
| JPH0363817U (en) | 1991-06-21 |
| FR2653551B1 (en) | 1994-04-22 |
| GB9022955D0 (en) | 1990-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |