JPS5929705U

JPS5929705U - Rotation angle detection device

Info

Publication number: JPS5929705U
Application number: JP12500482U
Authority: JP
Inventors: 和俊小林
Original assignee: Hitachi Ltd
Current assignee: Hitachi Ltd
Priority date: 1982-08-20
Filing date: 1982-08-20
Publication date: 1984-02-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の回転角度検出装置の縦断面図、第２図は
回転板の平面図、第３図は位置決め部材の平面図、第４
図は本考案の回転板平面図、第５図は本考案の位置決め
部材の平面図である。１・・・ハウジング、２・・・シャフト、２１・・・ロ
ータシャフト嵌合部、２２・・・フライス加工部、３・
・・ロータシャフトＡ１３１・・・Ｍ部Ａ１３２　・・
・フランジＡ、４・・田−タシャフトＢ１４１・・・ｍ
部Ｂ、４２・・・フランジＢ１４３・・・ネジ穴、５・
・・回転板、５１・・・基準信号検出スリット、５２・
・・角度信号検出スリット、５３・・・シャフト嵌合穴
、５４・・・切欠、５５・・・突起係合穴、６・・・位
置決め部材、６１・・・突　　　　起、６２・・・突起
、６３・・・シャフト嵌合穴、６４・・・切欠、７・・
・ユニットベース、７１・・・光電式ピックアップ、７
２・・・電子回路、８・・田−タヘッド、９・・・キャ
ップ、１０・・・ネジ、１１・・・ネジ。Fig. 1 is a vertical cross-sectional view of a conventional rotation angle detection device, Fig. 2 is a plan view of the rotating plate, Fig. 3 is a plan view of the positioning member, and Fig. 4 is a plan view of the rotary plate.
The figure is a plan view of the rotating plate of the present invention, and FIG. 5 is a plan view of the positioning member of the present invention. DESCRIPTION OF SYMBOLS 1... Housing, 2... Shaft, 21... Rotor shaft fitting part, 22... Milling part, 3...
...Rotor shaft A131...M section A132...
・Flange A, 4...Data shaft B141...m
Part B, 42...Flange B143...Screw hole, 5.
...Rotating plate, 51...Reference signal detection slit, 52.
...Angle signal detection slit, 53...Shaft fitting hole, 54...Notch, 55...Protrusion engagement hole, 6...Positioning member, 61...Protrusion, 62...Protrusion , 63... Shaft fitting hole, 64... Notch, 7...
・Unit base, 71... Photoelectric pickup, 7
2...Electronic circuit, 8...Data head, 9...Cap, 10...Screw, 11...Screw.

Claims

[Scope of utility model registration request]

A shaft supported by a housing and rotated by an engine, a rotary plate that rotates together with the shaft, a photoelectric pickup that detects changes in the amount of light passing through a window provided on the rotary plate, and a signal from the photoelectric pickup. A rotor shaft A1 consisting of an electronic circuit for amplification, a cylindrical portion that fits into the shaft, and a flange that presses against the rotary plate; A rotor shaft B1 that fits on the shaft and has a flange that presses against the rotary plate; B1 that fits on the shaft; , a rotation angle detection device comprising a rotation plate and an angle positioning member provided with projections for positioning the rotor shafts A and B. A rotation angle detection device characterized in that a hole position is arranged asymmetrically with respect to a fitting hole that fits into a shaft.