JPS58108778U

JPS58108778U - magnetic coupling device

Info

Publication number: JPS58108778U
Application number: JP602382U
Authority: JP
Inventors: 高山　政廣
Original assignee: 三菱電機株式会社
Priority date: 1982-01-19
Filing date: 1982-01-19
Publication date: 1983-07-25
Also published as: JPS6311904Y2

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図はこの考案に係る磁気連結装置の一実施例を示す
部分断面側面図である。第２図ａは第１図に示す磁石回
転板の平面図であり、第２図すは第２図ａの線ｂ−ｂに
おける側断面図である。第３図ａ、　　ｂ及び第４図は
この一案の動作説明図であ　゛る。第５図はこの考案に
係る磁気連結装置の他の実施例を示す部分断面側面図で
ある。第６図はビデオテープレコーダのテープ走行機構
部を示す構成図である。第７図はテープ巻取りリールの
駆動部を示す構成図である。図において、各図中同一部分は同一符号を付しており、
１は入力軸、２は磁石回転板、３は出力プーリ、４，５
は第１、第２のヒステリシス材、６は係合片、７は止め
輪である。第１図 −−第２図　　− （ｂ）ｔ、−ｂ　　　　−−FIG. 1 is a partially sectional side view showing an embodiment of the magnetic coupling device according to the invention. 2a is a plan view of the magnet rotating plate shown in FIG. 1, and FIG. 2 is a side sectional view taken along line bb in FIG. 2a. Figures 3a and 3b and 4 are explanatory diagrams of the operation of this method. FIG. 5 is a partially sectional side view showing another embodiment of the magnetic coupling device according to the invention. FIG. 6 is a configuration diagram showing the tape running mechanism section of the video tape recorder. FIG. 7 is a configuration diagram showing the drive section of the tape take-up reel. In the figures, the same parts in each figure are given the same reference numerals.
1 is the input shaft, 2 is the magnet rotating plate, 3 is the output pulley, 4, 5
are first and second hysteresis members, 6 is an engagement piece, and 7 is a retaining ring. Figure 1 -- Figure 2 -- (b) t, -b --

Claims

[Scope of utility model registration request]

(1) An anisotropic magnet rotating plate that is attached to the driving body or the driven body and is magnetized so that magnetic flux flows in the thickness direction, and is magnetized with multiple poles while alternating polarity in the circumferential direction;
A first hysteresis material is attached to the driven body or the driving body so as to face one surface of the magnet rotating plate, and is isotropic and allows magnetic flux to pass in the circumferential direction, and a first hysteresis material faces the other surface of the magnet rotating plate. A magnetic coupling device comprising a second hysteresis material which is isotropic and allows a magnetic flux to pass in the circumferential direction, and is rotatably installed to restrain the rotation of the ear.

(2) the magnet rotating plate is attached to the rotating shaft of the driving body or the driven body, and the first hysteresis material is rotatably supported on the rotating shaft of the driving body or the driven body;
□The magnetic coupling device according to claim (1), which is attached to the driven body or the driving body. -(3) The second hysteresis material is a utility model in which the second hysteresis material is rotatably supported on the rotating shaft of the driving body or the driven body. Device.