Power steering apparatus and method of assembling same

摘要

A power steering apparatus of the disclosure includes a rack shaft; a steering wheel-side pinion shaft that rotates as a steering wheel is turned; an assist side pinion shaft that is driven to rotate by a drive unit, thereby assisting the rotation of the steering wheel-side pinion shaft; and a gear housing that accommodates the rack shaft, and has a second leg portion fixed to a vehicle. The gear housing includes a first housing that accommodates a meshing portion between the rack shaft and the steering wheel-side pinion shaft; a second housing that accommodates a meshing portion between the rack shaft and the assist side pinion shaft; and a third housing that is provided with the second leg portion.

主权项

1. A power steering apparatus comprising:
a rack shaft that has a rack and moves a steered unit; a first pinion shaft that has a first pinion meshing with the rack of the rack shaft, and rotates as a steering unit is turned; a second pinion shaft that has a second pinion meshing with the rack of the rack shaft, and is driven to rotate by a drive unit, thereby assisting the rotation of the first pinion shaft; and a housing that accommodates the rack shaft, and has a fixed portion fixed to a vehicle, wherein the housing comprises:
a first housing portion that accommodates a meshing portion between the rack shaft and the first pinion shaft;a second housing portion that is a separate body from the first housing portion, and accommodates a meshing portion between the rack shaft and the second pinion shaft; anda third housing portion that is a separate body from the first and second housing portions, and is provided with the fixed portion.