Linear vibration motor

摘要

Disclosed herein is a linear vibration motor including: a stator part; a vibrator part received in the stator part to thereby linearly vibrate; an elastic member having one end fixedly coupled to the stator part and the other end fixedly coupled to the vibrator part, wherein the vibrator part includes a printed circuit board having one end fixedly coupled to the stator part and the other end fixedly coupled to the vibrator part to thereby linearly vibrate integrally with the vibrator part.

主权项

1. A linear vibration motor comprising:
a stator part comprising a magnet and a case having an inner space and a coupling part; a vibrator part comprising a coil disposed to face the magnet and a printed circuit board electrically connected to the coil, and received in the case to thereby linearly vibrate; and an elastic member comprising one end fixedly coupled to the stator part and the other end fixedly coupled to the vibrator part, wherein the printed circuit board comprises:
a power supplying part fixedly coupled to the stator part and comprising a power connection pad;a mounting part extended from the power supplying part and coupled to the coupling part of the case;an elastic part extended from the mounting part in a spiral direction so as to have elastic force; anda power applying part formed at one end of the elastic part and electrically coupled to the coil,wherein the printed circuit board is partially coupled to the coupling part of the case,wherein the coupling part comprises:
a penetration groove formed so that the mounting part of the printed circuit hoard is fitting-coupled thereinto in a width direction; anda plurality of support parts formed to protrude from both sides of the penetration groove toward the bracket and each comprising catching jaws formed to support the mounting part of the printed circuit board,wherein the mounting part comprises predetermined grooves formed inwardly in the width direction at both sides thereof so as to face the catching jaws.