JPH0457735U - - Google Patents
Info
- Publication number
- JPH0457735U JPH0457735U JP10057990U JP10057990U JPH0457735U JP H0457735 U JPH0457735 U JP H0457735U JP 10057990 U JP10057990 U JP 10057990U JP 10057990 U JP10057990 U JP 10057990U JP H0457735 U JPH0457735 U JP H0457735U
- Authority
- JP
- Japan
- Prior art keywords
- coil bobbin
- magnetostrictive
- casing
- coil
- magnetostrictive shaft
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Power Steering Mechanism (AREA)
Description
第１図および第２図は本考案の第１の実施例を
示し、第１図は磁歪式トルクセンサの縦断面図、
第２図は第１図中の要部拡大図、第３図は第２の
実施例を示す磁歪式トルクセンサの要部縦断面図
、第４図および第５図は従来技術を示し、第４図
は磁歪式トルクセンサの縦断面図、第５図は検出
回路を示す回路構成図である。
１，３１……ケーシング、７〜１０……検出コ
イル、２１……磁歪シヤフト、２１Ａ〜２１Ｈ…
…環状鍔部、２４，３２……コイルボビン、２５
，２６……環状溝、３３……磁性筒。
1 and 2 show a first embodiment of the present invention, and FIG. 1 is a longitudinal cross-sectional view of a magnetostrictive torque sensor;
Fig. 2 is an enlarged view of the main part in Fig. 1, Fig. 3 is a vertical sectional view of the main part of a magnetostrictive torque sensor showing the second embodiment, Figs. FIG. 4 is a longitudinal sectional view of the magnetostrictive torque sensor, and FIG. 5 is a circuit configuration diagram showing a detection circuit. 1, 31...Casing, 7-10...Detection coil, 21...Magnetostrictive shaft, 21A-21H...
...Annular flange, 24, 32...Coil bobbin, 25
, 26... annular groove, 33... magnetic tube.
Claims (1)
在に配設された磁歪シヤフトと、該磁歪シヤフト
の外周側を取り囲むように前記ケーシング内に設
けられた筒状のコイルボビンと、前記磁歪シヤフ
トに作用するトルクを電気信号として検出すべく
、該コイルボビンとケーシングとの間に位置して
該コイルボビンにそれぞれ巻き回された少なくと
も一対の検出コイルとからなる磁歪式トルクセン
サにおいて、前記コイルボビンには各検出コイル
の軸方向両端側に位置して該コイルボビンの内周
側に開口する複数の環状溝を設け、前記磁歪シヤ
フトには径方向外向きに突出し、該各環状溝内に
延在する複数の環状鍔部を設けたことを特徴とす
る磁歪式トルクセンサ。 a cylindrical casing, a magnetostrictive shaft rotatably disposed within the casing, a cylindrical coil bobbin disposed within the casing so as to surround the outer circumferential side of the magnetostrictive shaft, and a coil bobbin acting on the magnetostrictive shaft. In a magnetostrictive torque sensor comprising at least a pair of detection coils located between the coil bobbin and a casing and wound around the coil bobbin in order to detect torque as an electric signal, the coil bobbin has a coil of each detection coil. A plurality of annular grooves are provided at both ends in the axial direction and open to the inner peripheral side of the coil bobbin, and the magnetostrictive shaft has a plurality of annular collars that protrude outward in the radial direction and extend within each of the annular grooves. A magnetostrictive torque sensor characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10057990U JPH0457735U (en) | 1990-09-26 | 1990-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10057990U JPH0457735U (en) | 1990-09-26 | 1990-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457735U true JPH0457735U (en) | 1992-05-18 |
Family
ID=31843340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10057990U Pending JPH0457735U (en) | 1990-09-26 | 1990-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457735U (en) |
-
1990
- 1990-09-26 JP JP10057990U patent/JPH0457735U/ja active Pending