公开(公告)号：US20190028010A1

公开(公告)日：2019-01-24

申请号：US16145147

申请日：2018-09-27

Applicant: Goertek Inc.

Inventor： Yueguang Zhu ,  Xinzhong Zhang

IPC: H02K33/02

Abstract: The present invention discloses a vibration motor and a portable device. The vibration motor comprises: a housing; a vibration system disposed in the cavity, and comprising a vibrator and an elastic sheet, the vibrator being provided with a magnetic gap and the elastic sheet having a fixing portion and a plurality of cantilevers, a through hole being arranged in a middle portion of the fixing portion, the cantilevers being formed by spirally extending the fixing portion along the central axis direction of the fixing portion, the cantilevers being gradually expanded, the fixing portion being fixedly connected with the vibrator, and the ends of the cantilevers being fixedly connected with the housing; and a coil arranged in the cavity, one end of the coil being fixedly connected with the lower housing, and the other end of the coil being inserted into the magnetic gap.