Vibration motor
AssigneeAAC Microtech (Changzhou) Co., Ltd.
InventorsJie Ma, Lubin Mao
Life of this patent
Estimating the term…
Abstract
The present invention provides a vibration motor including an installation housing having a through opening; a vibrator; an elastic member suspending the vibrator; a stator; a magnet; a coil; and a flexible circuit board. The flexible circuit board includes a first conduction part, a second conduction part, and a bending part. The vibration motor further comprises a connection bracket having a first connection part connected to the vibrator and a second connection part connected to the elastic member. By virtue of the configuration described in the invention, the assembly accuracy of the vibration motor is ensured.
Claims5
A vibration motor, comprising:
- an installation housing;
- a vibrator accommodated in the installation housing;
- an elastic member suspending the vibrator in the installation housing;
- a stator fixed to the installation housing for driving the vibrator to vibrate;
- a magnet engaging with one of the vibrator and the stator;
- a coil corresponding to the magnet engaging with the other of the vibrator and the stator;
- wherein
- the vibration motor further comprises a connection bracket having two first connection parts connected to the vibrator and two second connection parts connected to the elastic member;
- the vibrator comprises an iron core attached to the coil;
- the two first connection parts are respectively fixed to two ends of the iron core along a long axis of the iron core;
- the two second connection parts are respectively fixed to two ends of the elastic member;
- the first connection part comprises two connection arms separately provided on both sides of the iron core along a short axis of the iron core;
- the second connection part is connected between the two connection arms;
- the elastic member comprises two elastic sheets arranged on both sides of the iron core along the short axis of the iron core and a connection sheet connected between the two elastic sheet the second connection part is fixedly connected to the connection sheet;
- the connection bracket further comprises a third connection part connecting the two second connection parts and the connection sheet;
- the vibrator further comprises a fastener fixed at the end of the iron core and connected to the third connection part;
- the third connection part includes a clipping opening;
- the fastener comprises a fastening part connected between the iron core and the third connection part and a clipping position part extending from the fastening part into the clipping opening.
Dependencies are inferred from the claim text.