Patent ID: 11870317
Assignee: AAC MICROTECH (CHANGZHOU) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A vibration motor, comprising:
a housing with an accommodation space;
a vibration member in the accommodation space, comprises a weight having a main body with an accommodation cavity and a protruding part formed by extending from diagonal corners of the main body along a vibration direction of the vibration member, and a magnetic circuit system accommodated in the accommodation cavity;
a stator in the accommodation space;
a position limiting gap formed between the protruding part and the housing along the vibration direction of the vibration member;
wherein the housing comprises a first cover plate, a second cover plate spaced from the first cover plate, and a side surrounding wall for connecting the first cover plate to the second cover plate for forming the accommodation space;
the side surrounding wall comprises a first side plate arranged on opposite sides of the vibration member along the vibration direction and a second side plate connected to the first side plate; the position limiting gap is formed between the protruding part and the second side plate along the vibration direction; and
wherein an amount of the protruding part is two, and two protruding parts are symmetrical with respect to a center of the vibration member, the main body comprises a body part, a first position limit part and a second position limit part, the first position limit part and the second position limit part connected to opposite sides of the body part along the vibration direction, respectively;
one protruding part extends from the first position limit part along the vibration direction, the other protruding part extends from the second position limit part along the vibration direction.