JPH023167U - - Google Patents

Description

[Brief explanation of drawings]

1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a cutaway side view, FIG. 2 is a cross-sectional view taken along the line - in FIG. 1, and FIG. In the diagram -
It is a sectional view along a line. Also, Figures 4 and 5
The figures are equivalent to FIGS. 2 and 3, respectively, showing a second embodiment of the present invention, and FIG. 6 is a view equivalent to FIG. 1, showing a conventional configuration. In the drawing, 21 is a stator frame, 23, 39
are brackets, 23a, 23b, 39a, 39b
25 is a rotation shaft, 28 and 40 are encoder bases, 28b, 28c, and 40a are concave portions, 3
1 is a rotating disk, 32 is an encoder case, 3
3 is a light emitting element (signal generation part), 35 is a light receiving element (
37 indicates an encoder circuit board.

Claims (1)

[Scope of utility model registration request] a stator frame; a bracket provided on the stator frame to support a rotating shaft; an encoder base connected to the bracket to protrude and rotatably support the rotating shaft; and a rotating shaft attached to the protruding portion of the rotating shaft. a disk, an encoder case provided at the encoder base so as to cover the rotary disk and the protruding portion of the rotary shaft, and an encoder case provided at the encoder case or the encoder base so as to correspond to a peripheral portion of the rotary disk. a signal generating section and a signal receiving section;
and an encoder circuit board provided in the encoder case, wherein the bracket is provided with a heat dissipation fin that protrudes toward the encoder base, and a distal end of the heat dissipation fin is fitted to the encoder base. A rotary electric machine equipped with an encoder, characterized in that a concave portion is formed for fitting.