Title:
LINEAR VIBRATION MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/029053
Kind Code:
A1
Abstract:
A linear vibration motor, comprising: a stator assembly comprising a housing (1) having an accommodating cavity, and a magnet (2) located in the accommodating cavity and jointly fixed to the inner side surface of the housing (1), the magnet (2) comprising a hollow portion (21); a vibrator assembly comprising a coil (3) and a mass block (4); an elastic support member (5) configured to suspend the vibrator assembly in the accommodating cavity of the housing (1); the housing (1) comprising a fixing portion (10) corresponding to the magnet (2), and the top surface of the magnet (2) being jointly fixed to the bottom surface of the fixing portion (10). The efficiency of utilizing the magnetic line of the magnet by the coil is improved.
Inventors:
ZANG WEIYE (CN)
ZHANG XINZHONG (CN)
ZHANG XINZHONG (CN)
Application Number:
PCT/CN2017/112170
Publication Date:
February 14, 2019
Filing Date:
November 21, 2017
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H02K33/02
Foreign References:
| CN101404437A | 2009-04-08 | |||
| CN102148560A | 2011-08-10 | |||
| CN1716737A | 2006-01-04 | |||
| CN106849590A | 2017-06-13 |
Attorney, Agent or Firm:
BEIJING JANLEA PATENT AGENCY CO., LTD. (CN)
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