JPS5929431U

JPS5929431U - Magnetic particle type electromagnetic coupling device

Info

Publication number: JPS5929431U
Application number: JP12651682U
Authority: JP
Inventors: 岡本　清秀; 良介沖田
Original assignee: 三菱電機株式会社
Priority date: 1982-08-20
Filing date: 1982-08-20
Publication date: 1984-02-23

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図は本考案の一実施例を示す断面図、第２図は第１
図に示す実施例のドライブメンバを示す側面図である。図において、１は回転軸、２はドリブンメンバ、３はド
ライブメンバ、３０は取付用プレート、３０ａは凹部、
３０ｂは凸部、３０Ｃは取付穴、３１は冷却フィン、３
１ａは凹部、３１ｂは凸部、４は磁性粒子、５は電磁コ
イル、６はボルト、７はプレート、８はスリップリング
、９はリード線、１０はブラケット、１１はベアリング
、１２はネジ穴、１３はベアリングである。なお図中同
一符号は同一部分を示す。Fig. 1 is a sectional view showing one embodiment of the present invention, and Fig. 2 is a cross-sectional view showing an embodiment of the present invention.
FIG. 3 is a side view showing the drive member of the embodiment shown in the figures. In the figure, 1 is a rotating shaft, 2 is a driven member, 3 is a drive member, 30 is a mounting plate, 30a is a recess,
30b is a convex portion, 30C is a mounting hole, 31 is a cooling fin, 3
1a is a recessed part, 31b is a convex part, 4 is a magnetic particle, 5 is an electromagnetic coil, 6 is a bolt, 7 is a plate, 8 is a slip ring, 9 is a lead wire, 10 is a bracket, 11 is a bearing, 12 is a screw hole, 13 is a bearing. Note that the same reference numerals in the figures indicate the same parts.

Claims

[Scope of utility model registration request]

(1) A first having a cylindrical first connecting portion made of magnetic material.
a second connecting portion comprising a second connecting portion made of a magnetic material and facing the radially inner circumferential surface of the first connecting portion with an annular gap therebetween;
a connecting body, magnetic particles enclosed in the annular gap, magnetizing the magnetic particles contained in the second connecting body and magnetizing the magnetic particles;
an electromagnetic coil for controlling the connection state between the connecting body and the second connecting body; an external mounting plate installed at the end of the first connecting body and having an uneven shape in the circumferential direction;
It is installed on the outer periphery of the first connecting body, and has concave and convex shapes at alternately different positions from the concave and convex shapes of the mounting plate, and transmits heat generated at the connecting part of the first and second connecting bodies to the outside. Attaching the mounting plate of the first connecting body, in the cooling fin for dissipating radiation, and a bracket that is coupled to the first connecting body and rotatably supports the second connecting body via a bearing. A magnetic particle type electromagnetic coupling device characterized in that holes are provided circumferentially in the concave portion of the cooling fin, and mounting holes for the bracket are provided in the convex portion of the cooling fin.

(2) The magnetic particle type electromagnetic coupling device according to claim 1, wherein the external mounting plate and the cooling fins are integrally formed with the first coupling body.

(3) The magnetic particle according to claim 2 of the above utility model registration claim, characterized in that cold forging is used as a means for integrally forming the mounting plate and the cooling fin with the first connecting body. type electromagnetic coupling device.