| 摘要 |
PURPOSE: An electric steering device is provided to stably support a steering shaft unit and to minimize the size of a housing unit. CONSTITUTION: An electric steering device comprises a motor unit(10), a worm shaft unit, a worm wheel unit, a steering shaft unit, a housing unit(50), and a bearing unit. The worm shaft unit is connected to the motor unit and rotates according to the driving of the motor unit. The worm wheel unit is engaged with the worm shaft unit. The steering shaft unit penetrates the worm wheel unit and is engaged with the inner periphery of the worm wheel part. The housing unit is connected to the motor unit and wraps the worm shaft unit and the worm wheel unit. The bearing unit is included in the housing unit and is individually arranged on both sides of the worm wheel unit. The bearing unit wraps the steering shaft unit.
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