Drive actuator and electronic device

Abstract

The disclosure includes a drive exciter, including a housing, a vibration part and a braking part, the housing provided with an accommodation cavity; the vibration part includes an outer shell and a vibration member, the outer shell is fixed in the accommodation cavity and has a vibration chamber formed in the outer shell, and the vibration member is provided in the vibration chamber; the braking part includes a drive member fixed in the accommodation cavity and a braking assembly connected to an output end of the drive member; wherein the drive member drives the braking assembly to move away from or approach the vibration part, so that the braking assembly is spaced apart from or elastically abuts against the vibration member.

Dependencies are inferred from the claim text.