In-wheel motor drive device

摘要

An object of the invention is to always maintain an outer pin holder and a housing in a speed reducer section at their predetermined positions, to prevent damage to such components as revolving members, outer circumferential engagers, and motion conversion mechanism upon a large axial load due to turning or sudden acceleration/deceleration, etc., and to eliminate rattling noise caused by the housing and the outer pin holder. A casing immobilizing member which is fixed to an inner surface of a speed reducer section casing and a housing immobilizing member which is fixed to an outer surface of a speed reducer section housing are provided between the speed reducer section casing and the speed reducer section housing. The casing immobilizing member and the housing immobilizing member are bonded with each other via a rubber member.

主权项

1. An in-wheel motor driving device comprising: a motor section for generation of a driving force; a speed reducer section for reducing speed of rotation generated by the motor section and then outputting the rotation; and a casing for accommodating the motor section and a speed reducer section housing, the device further comprising a casing immobilizing member fixed to the casing; and a housing immobilizing member fixed to the speed reducer section housing; the casing immobilizing member and the housing immobilizing member being disposed between the easing and the speed reducer section housing, an elastic member being bonded to the casing immobilizing member and the housing immobilizing member so as to be sandwiched therebetween, to thereby hold the speed reducer section housing to float with respect to the casing.