Title:
DIAPHRAGM AND MINIATURE ACOUSTICAL GENERATOR PROVIDED WITH DIAPHRAGM
Document Type and Number:
WIPO Patent Application WO/2018/058841
Kind Code:
A1
Abstract:
Disclosed by the present invention are a diaphragm and a miniature acoustical generator provided with the diaphragm, which relates to the technical field of electroacoustic products. The diaphragm comprises a diaphragm body portion and a diaphragm central portion which are injection-molded together; the diaphragm central part, as an insert, is bonded to a central position of the diaphragm body portion; an edge portion of the diaphragm central portion is wrapped at least partially in the diaphragm main body portion in a thickness direction thereof; the wrapped edge portion is connected or integrally provided with a reinforcing member extending laterally beyond the side surface of the edge portion; and the reinforcing member protrudes into the diaphragm body portion. The diaphragm and the miniature acoustical generator provided with the diaphragm in the present invention solves the technical problem that a diaphragm is easy to crack in the prior art, and the diaphragm and the diaphragm of the miniature acoustical generator provided with the diaphragm in the present invention are not easy to crack, thereby improving reliability and stability of the miniature acoustical generator and prolong a service life thereof.
Inventors:
GUO XIAODONG (CN)
MEN CHUNLIAN (CN)
MEN CHUNLIAN (CN)
Application Number:
PCT/CN2016/113605
Publication Date:
April 05, 2018
Filing Date:
December 30, 2016
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R7/10; H04R9/02; H04R9/06
Foreign References:
| CN103209376A | 2013-07-17 | |||
| US6183674B1 | 2001-02-06 | |||
| CN106231506A | 2016-12-14 | |||
| CN204442651U | 2015-07-01 | |||
| JP2001136596A | 2001-05-18 |
Attorney, Agent or Firm:
BEIJING GRANDER IP LAW FIRM (CN)
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