Drive unit of steering device

The present disclosure provides a drive unit of a steering apparatus, the drive unit being configured to provide an assist torque of the steering apparatus and including a drive unit housing in which a mounting region is formed, and the drive unit including: a worm shaft in which a worm shaft is mounted; a worm shaft disposed in the mounting area and having a worm formed in the mounting area; a first bearing that rotatably supports one side of the worm shaft; a damper penetrating through and supporting one side of the worm shaft supported by the first bearing; and a stopper passing through and supporting one side of the damper passing through the worm shaft, one end of the stopper being spaced apart from the damper, thereby restricting movement of the damper in an axial direction of the worm shaft. 本公开提供一种转向设备的驱动单元，该驱动单元被构造成提供转向设备的辅助扭矩并且包括驱动单元壳体，该驱动单元壳体中形成有安装区域，并且驱动单元包括：蜗杆轴，该蜗杆轴设置在安装区域中并且具有形成在该安装区域中的蜗杆；第一轴承，该第一轴承可旋转地支撑蜗杆轴的一侧；阻尼器，该阻尼器透过并支撑蜗杆轴的由第一轴承支撑的一侧；以及止动件，该止动件透过并支撑穿过蜗杆轴的阻尼器的一侧，止动件的一端与阻尼器间隔开，从而限制在蜗杆轴的轴向方向上阻