Title:
ROTOR AND MOTOR
Document Type and Number:
Japanese Patent JP2019161801
Kind Code:
A
Abstract:
To provide a rotor and a motor capable of providing an appropriate amount of adhesive between a bush for fixing a rotor magnet to a rotary shaft and an inner peripheral surface of the rotor magnet.SOLUTION: In a motor 1, a rotor 10 has a cylindrical rotor magnet 11 disposed coaxially around a rotation shaft 12, and a first bush 14 having a center hole 140 into which the rotation shaft 12 is press-fitted. In a first end surface 141 of the first bush 14, an outflow prevention wall 147 against an adhesive 18 is formed by a circumferential surface 145a facing outward in a radial direction in a wall forming portion 145 formed of a rib-shaped convex portion formed at a position spaced radially inward from an outer peripheral edge 141a. The first bush 14 is a metal plate, and forms the wall forming portion 145 by pressing. The second bush 15 is substantially the same as the first bush 14.SELECTED DRAWING: Figure 2
Inventors:
FURUBAYASHI KAZUMI
Application Number:
JP2018043705A
Publication Date:
September 19, 2019
Filing Date:
March 12, 2018
Export Citation:
Assignee:
NIDEC SANKYO CORP
International Classes:
H02K1/28; H02K1/30
Domestic Patent References:
| JP2000078824A | 2000-03-14 | |||
| JPH0349543A | 1991-03-04 |
Attorney, Agent or Firm:
Toru Kawai
Shin Kodaira
Kawaguchi Nobuko
Shin Kodaira
Kawaguchi Nobuko