JPH0430450U

JPH0430450U -

Info

Publication number: JPH0430450U
Application number: JP7230790U
Authority: JP
Priority date: 1990-07-09
Filing date: 1990-07-09
Publication date: 1992-03-11

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例の縦断面図、第２
図は第１図の−線に沿う平面での断面図、第
３図は従来のトルク検出器の縦断面図である。１……受動軸、４，５……歪検出層、７，８…
…検出コイル、１５，１６……磁気収束板、１６
ａ……溝部。なお、各図中、同一符号は同一又は
相当部分を示す。 Figure 1 is a longitudinal sectional view of one embodiment of this invention;
The figure is a sectional view taken along the - line in FIG. 1, and FIG. 3 is a longitudinal sectional view of a conventional torque detector. 1... Passive shaft, 4, 5... Strain detection layer, 7, 8...
...Detection coil, 15, 16...Magnetic convergence plate, 16
a...Groove. In each figure, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A passive shaft that receives torque, a plurality of strain detection layers made of a high permeability soft magnetic material and fixed to the outer peripheral surface of the passive shaft at equal circumferential intervals, and a plurality of strain detection layers arranged around the strain detection layers to detect the strain. In a torque detector equipped with a detection coil that detects a change in magnetic permeability due to strain in accordance with the torque of the detection layer, the strain detection layer for imparting a change in magnetic gap length to an opposing circumferential surface of the strain detection layer; A torque detector comprising a magnetic convergence plate having the same number of grooves.