JPH0247517U - - Google Patents
Info
- Publication number
- JPH0247517U JPH0247517U JP12562488U JP12562488U JPH0247517U JP H0247517 U JPH0247517 U JP H0247517U JP 12562488 U JP12562488 U JP 12562488U JP 12562488 U JP12562488 U JP 12562488U JP H0247517 U JPH0247517 U JP H0247517U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical
- sensor
- cylindrical portion
- rotating member
- rotating 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.)
- Pending
Links
- 239000000696 magnetic material Substances 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 2
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の第１実施例を示す全体図、第
２図はその要部拡大図、第３図は本考案の第２の
実施例を示す全体図、第４図はその要部拡大図で
ある。第５図は従来例の１つを示す全体図である
。
主要部分の符号の説明、１０…内輪、２０…外
輪、３０…センサロータ、３２…内側部分、３４
…外側部分、３６…連結部分、３８…穴部分、４
０…柱状部分、４２…環状空間、８０…センサ、
８２…センサ部分。
Fig. 1 is an overall view showing the first embodiment of the present invention, Fig. 2 is an enlarged view of its main parts, Fig. 3 is an overall view showing the second embodiment of the invention, and Fig. 4 is its main parts. It is an enlarged view. FIG. 5 is an overall view showing one of the conventional examples. Explanation of symbols of main parts, 10... Inner ring, 20... Outer ring, 30... Sensor rotor, 32... Inner part, 34
...outer part, 36...connecting part, 38...hole part, 4
0... Column-shaped portion, 42... Annular space, 80... Sensor,
82...Sensor part.
Claims (1)
し、回転部材の回転数を検出するために、該回転
部材に取り付けて使用されるセンサロータであつ
て、 少なくとも、その表面に複数の凹凸部が円周方
向に隔設された筒状部と、該筒状部から延び、該
筒状部との間にセンサを挿入するための環状空間
を形成するとともに、前記凹凸部に異物が衝突す
ることを防止する保護部とを含むことを特徴とす
るセンサロータ。 ２ 固定部材に対して回転部材が相対回転可能と
なつており、回転部材には板状の磁性体からなる
環状部材に多数の凹凸部を円周方向に隔設してな
るセンサロータが取付けられた回転装置において
、 前記センサロータを、少なくとも、前記凹凸部
が形成された筒状部と、該センサロータを前記回
転部材に取り付けるための取付け部と、前記筒状
部よりも半径方向外方に位置して軸方向に延びる
保護部とで形成し、かつ該筒状部、取付け部及び
保護部により軸方向に延びる環状空間を形成し、
該環状空間内にセンサを前記凹凸部に近接して配
置し、以つて前記回転部材の回転数を該センサに
よつて検出するようにしたことを特徴とする回転
装置。 ３ 前記筒状部と前記取付け部とが共用されてい
る請求項２に記載の回転装置。 ４ 前記取付け部と前記保護部とが一つの部材か
らなり、前記筒状部がこれとは別の部材から成つ
ている請求項２に記載の回転装置。 ５ 前記保護部は、前記筒状部の軸方向一端から
半径方向外方に延びる第１部分と、 該第１部分から軸方向に延びる第２部分とから
成り、断面Ｌ字形とされている請求項３または４
に記載の回転装置。[Claims for Utility Model Registration] 1. A sensor rotor that is made of a plate-shaped magnetic material, has an annular shape as a whole, and is used by being attached to a rotating member to detect the rotational speed of the rotating member, which comprises at least , a cylindrical portion having a plurality of uneven portions spaced apart in the circumferential direction on its surface; and an annular space extending from the cylindrical portion for inserting the sensor between the cylindrical portion and the cylindrical portion; A sensor rotor comprising: a protection portion that prevents foreign matter from colliding with the uneven portion. 2. A rotating member is rotatable relative to a fixed member, and a sensor rotor is attached to the rotating member, which is formed by an annular member made of a plate-shaped magnetic material and having a number of concave and convex portions spaced apart in the circumferential direction. In the rotating device, the sensor rotor includes at least a cylindrical portion in which the uneven portion is formed, a mounting portion for attaching the sensor rotor to the rotating member, and a portion radially outward from the cylindrical portion. and a protective portion located and extending in the axial direction, and the cylindrical portion, the mounting portion, and the protective portion form an annular space extending in the axial direction,
A rotating device characterized in that a sensor is disposed in the annular space close to the uneven portion, and the rotation speed of the rotating member is detected by the sensor. 3. The rotating device according to claim 2, wherein the cylindrical part and the mounting part are shared. 4. The rotating device according to claim 2, wherein the attachment part and the protection part are made of one member, and the cylindrical part is made of a different member. 5. The protection part includes a first part extending radially outward from one axial end of the cylindrical part, and a second part extending axially from the first part, and has an L-shaped cross section. Section 3 or 4
The rotating device described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12562488U JPH0247517U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12562488U JPH0247517U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247517U true JPH0247517U (en) | 1990-03-30 |
Family
ID=31376397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12562488U Pending JPH0247517U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247517U (en) |
-
1988
- 1988-09-28 JP JP12562488U patent/JPH0247517U/ja active Pending
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