JPH0714900Y2 - A member for pulse generation in a wheel rotation speed detection device - Google Patents
A member for pulse generation in a wheel rotation speed detection deviceInfo
- Publication number
- JPH0714900Y2 JPH0714900Y2 JP1988006168U JP616888U JPH0714900Y2 JP H0714900 Y2 JPH0714900 Y2 JP H0714900Y2 JP 1988006168 U JP1988006168 U JP 1988006168U JP 616888 U JP616888 U JP 616888U JP H0714900 Y2 JPH0714900 Y2 JP H0714900Y2
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- rotation speed
- wheel rotation
- pulse generation
- detection device
- 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 - Lifetime
Links
Landscapes
- 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、車輪の回転速度に比例したパルスを発生す
るための車輪の回転速度検出装置におけるパルス発生用
部材に関する。TECHNICAL FIELD The present invention relates to a pulse generating member in a wheel rotation speed detecting device for generating a pulse proportional to a wheel rotation speed.
従来の技術 従来の車輪の回転速度検出装置におけるパルス発生用部
材として、リング状であり、周方向に等間隔をおいて、
略中間部に軸方向にのびたスロットが設けられ、各スロ
ット間の残存部分が歯部となされたものが知られている
（特開昭53-89779号公報参照）。2. Description of the Related Art As a pulse generating member in a conventional wheel rotation speed detection device, it has a ring shape and is equally spaced in the circumferential direction.
It is known that a slot extending in the axial direction is provided at a substantially middle portion, and a remaining portion between the slots is a tooth portion (see Japanese Patent Laid-Open No. 53-89779).
考案が解決しようとする課題 従来の上記パルス発生用部材では、各歯部の両側がスロ
ットであるため、歯部の強度が弱いという問題がある。
また、スロットに塵埃や油等が侵入し、スロット周縁に
付着するため、検出精度を損なうという問題もある。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the above-mentioned conventional pulse generating member, since both sides of each tooth portion are slots, there is a problem that the strength of the tooth portion is weak.
In addition, dust, oil, and the like enter the slot and adhere to the peripheral edge of the slot, which impairs detection accuracy.
この考案の目的は、充分な強度を有しかつ検出精度にも
優れた車輪の回転速度検出装置におけるパルス発生用部
材を提供することにある。An object of the present invention is to provide a pulse generating member in a wheel rotation speed detecting device having sufficient strength and excellent detection accuracy.
課題を解決する手段 この考案による車輪の回転速度検出装置におけるパルス
発生用部材は、リング状であり、その幅中間部が、縦断
面において凹部と凸部の交互に存在する被検出用凹凸部
となされているとともに、全凹部の裏面全体が回転側部
材への嵌合面となされ、両周縁の少なくともホイール側
の周縁に補強兼防塵用折曲部が設けられているものであ
る。Means for Solving the Problems The pulse generating member in the wheel rotation speed detecting device according to the present invention has a ring shape, and the width intermediate portion thereof is a concave and convex portion to be detected in which concave portions and convex portions are alternately present in the vertical cross section. In addition, the entire back surface of all the concave portions serves as a fitting surface for the rotating member, and the reinforcing and dustproof bent portions are provided at least on the wheel-side peripheral edges of both peripheral edges.
パルス発生用部材には、ステンレスなどの薄鋼板が一般
的に用いられ、被検出用凹凸部は圧印加工により形成さ
れる。A thin steel plate such as stainless steel is generally used for the pulse generating member, and the uneven portion for detection is formed by coining.
作用 この考案の車輪の回転速度検出装置におけるパルス発生
用部材は、リング状であり、その幅中間部が、縦断面に
おいて凹部と凸部の交互に存在する被検出用凹凸部とな
されているので、全体が連続しており、途切れた部分が
ない。The pulse generating member in the wheel rotation speed detecting device of the present invention is ring-shaped, and the width intermediate portion thereof is the concave and convex portion for detection, in which the concave portion and the convex portion are alternately present in the vertical cross section. , The whole is continuous and there are no discontinuities.
また、全凹部の裏面全体が回転側部材への嵌合面となさ
れているので、パルス発生用部材を回転側部材に安定し
た状態に固着することができる。Further, since the entire back surface of all the concave portions is the fitting surface for the rotation side member, the pulse generating member can be fixed to the rotation side member in a stable state.
さらに、両周縁の少なくともホイール側の周縁に補強兼
防塵用折曲部が設けられているので、これの存在により
パルス発生用部材の強度が増強せられるとともに、被検
出用凹凸部に侵入しようとする塵埃や油等が阻止せられ
る。Further, since the reinforcing and dustproof bent portions are provided at least at the wheel-side peripheral edges of both edges, the presence of the bent portions enhances the strength of the pulse generating member and tries to penetrate into the uneven portion for detection. Dust, oil, etc. that form are blocked.
実施例 以下、図面を参照して、この考案の実施例について説明
する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第１図および第２図は、車輪の回転速度検出装置におけ
るパルス発生用部材を示し、第３図は、パルス発生用部
材を前輪駆動車の前輪側車輪部に使用した例を示す。1 and 2 show a pulse generating member in a wheel rotation speed detecting device, and FIG. 3 shows an example in which the pulse generating member is used in a front wheel side wheel portion of a front wheel drive vehicle.
第３図において、駆動軸（１）に、交差軸継手（２）を
介して車軸（３）が連結されている。車軸（３）には、
ハプ（４）が嵌め止められ、ボルト（５）により、ハブ
（４）にホイール（６）およびディスクブレーキ（７）
が固定されている。ハブ（４）は、車体フレームに連結
された懸架部材（８）に、軸受（９）を介して支持され
ている。回転側部材である軸継手（２）に、厚さ1.0〜
1.6mmのステンレスよりなる磁性体製パルス発生用部材
（10）が嵌め止められている。固定側部材である懸架部
材（８）には、パルス発生用部材（10）に対向するよう
に、電磁ピックアップ（20）が取り付けられている。In FIG. 3, an axle (3) is connected to a drive shaft (1) via a cross shaft joint (2). On the axle (3)
The hap (4) is fitted and the wheel (6) and the disc brake (7) are attached to the hub (4) by the bolt (5).
Is fixed. The hub (4) is supported by a suspension member (8) connected to the vehicle body frame via a bearing (9). The shaft coupling (2), which is the rotating member, has a thickness of 1.0 to
A 1.6 mm magnetic material pulse-generating member (10) made of stainless steel is fixed. An electromagnetic pickup (20) is attached to the suspension member (8) which is a fixed member so as to face the pulse generating member (10).
第１図および第２図において、パルス発生用部材（10）
は、リング状であり、その幅中間部が、縦断面において
凹部（11）と凸部（13）の交互に存在する被検出用凹凸
部（14）となされているとともに、全凹部（11）の裏面
全体が回転側部材への嵌合面（11a）となされ、両周縁
に補強兼防塵用折曲部（12）が設けられている。In FIG. 1 and FIG. 2, a pulse generating member (10)
Is a ring shape, and the middle portion of the width thereof is a concave and convex portion for detection (14) in which a concave portion (11) and a convex portion (13) are alternately present in the vertical cross section, and all concave portions (11) are formed. The entire back surface of is a fitting surface (11a) for the rotation side member, and reinforcing and dustproof bent portions (12) are provided on both peripheral edges.
駆動軸（１）が回転すると、これに伴って、軸継手
（２）、車軸（３）、ハブ（４）、ホイール（６）およ
び車輪が一体的に回転する。また、軸継手（２）の回転
に伴って、パルス発生用部材（10）が回転する。パルス
発生用部材（10が回転すると、電磁ピックアップ（20）
の前を、パルス発生用部材（10）の被検出用凹凸部（1
4）が通過するので、電磁誘導によって、電磁ピックア
ップ（20）に車輪の回転速度に比例した周波数のパルス
電圧が誘起される。左右の車輪に設けられた速度検出装
置からのパルス信号に基づいて左右の車輪の回転数が検
出され、ブレーキ操作時に、左右の制動力が制御され
る。When the drive shaft (1) rotates, the shaft joint (2), the axle (3), the hub (4), the wheel (6), and the wheel integrally rotate accordingly. In addition, the pulse generating member (10) rotates as the shaft coupling (2) rotates. Member for pulse generation (When 10 rotates, electromagnetic pickup (20)
In front of the pulse generation member (10)
Since 4) passes, a pulse voltage having a frequency proportional to the rotation speed of the wheel is induced in the electromagnetic pickup (20) by electromagnetic induction. The rotation speeds of the left and right wheels are detected based on the pulse signals from the speed detection devices provided on the left and right wheels, and the left and right braking forces are controlled during the brake operation.
考案の効果 この考案の車輪の回転速度検出装置におけるパルス発生
用部材によれば、全体が連続しており、途切れた部分が
ないから、冒頭記載の従来品のような強度劣化の問題が
ない。Effect of the Invention According to the pulse generating member in the wheel rotation speed detecting device of the present invention, the whole is continuous and there is no discontinuity, so there is no problem of strength deterioration as in the conventional product described at the beginning.
また、パルス発生用部材を回転側部材に安定した状態に
固着することができるので、その回転に伴って被検出用
凹凸部がぶれるようなことがなく、したがってぶれによ
り検出精度の信頼性がなくなるというおそれはない。Further, since the pulse generating member can be fixed to the rotation side member in a stable state, the detected uneven portion does not shake due to the rotation, and therefore the shake makes the detection accuracy unreliable. There is no fear.
さらに、折曲部の存在により、パルス発生用部材の強度
が一層補強せられるばかりか、被検出用凹凸部に侵入し
ようとする塵埃や油等が阻止せられるから、これらの侵
入により検出精度が損なわれるということもない。Furthermore, the presence of the bent portion not only reinforces the strength of the pulse generating member, but also prevents dust, oil, and the like that try to enter the uneven portion for detection, so that the detection accuracy is increased by these intrusions. It will not be damaged.
図面はこの考案の実施例を示し、第１図は斜視図、第２
図は第１図の部分縦断面図、第３図は使用例を示す縦断
面図である。 （６）……ホイール、（10）……パルス発生用部材、
（11）……凹部、（11a）……嵌合面、（12）……補強
兼防塵用折曲部、（13）……凸部、（14）……被検出用
凹凸部。The drawings show an embodiment of the present invention, FIG. 1 is a perspective view, and FIG.
The drawing is a partial vertical cross-sectional view of FIG. 1, and FIG. 3 is a vertical cross-sectional view showing a usage example. (6) …… Wheel, (10) …… Pulse generation member,
(11): Recessed portion, (11a): Mating surface, (12): Reinforced and dustproof bent portion, (13): Convex portion, (14): Concavo-convex portion for detection.
Claims (1)
において凹部（11）と凸部（13）の交互に存在する被検
出用凹凸部（14）となされているとともに、全凹部（1
1）の裏面全体が回転側部材への嵌合面（11a）となさ
れ、両周縁の少なくともホイール（６）側の周縁に補強
兼防塵用折曲部（12）が設けられている車輪の回転速度
検出装置におけるパルス発生用部材。1. A ring-shaped intermediate portion of which the concave portion (11) and the convex portion (13) are alternately present in the longitudinal section, and the entire concave portion is formed. (1
The rotation of the wheel in which the entire back surface of 1) is formed as a fitting surface (11a) for the rotation side member, and the reinforcing and dustproof bent portion (12) is provided at least on the both edges of the wheel (6) side. A member for pulse generation in a speed detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988006168U JPH0714900Y2 (en) | 1988-01-21 | 1988-01-21 | A member for pulse generation in a wheel rotation speed detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988006168U JPH0714900Y2 (en) | 1988-01-21 | 1988-01-21 | A member for pulse generation in a wheel rotation speed detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01112463U JPH01112463U (en) | 1989-07-28 |
| JPH0714900Y2 true JPH0714900Y2 (en) | 1995-04-10 |
Family
ID=31210172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988006168U Expired - Lifetime JPH0714900Y2 (en) | 1988-01-21 | 1988-01-21 | A member for pulse generation in a wheel rotation speed detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0714900Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110647A (en) * | 1977-01-13 | 1978-08-29 | The Bendix Corporation | Wheel speed sensor |
| JPS61123971U (en) * | 1985-01-22 | 1986-08-04 |
-
1988
- 1988-01-21 JP JP1988006168U patent/JPH0714900Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01112463U (en) | 1989-07-28 |
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