Title:
EARPHONE CAP AND EARPHONE
Document Type and Number:
WIPO Patent Application WO/2023/051008
Kind Code:
A1
Abstract:
Disclosed are an earphone cap and an earphone. The earphone cap comprises a sleeve tube and a cap body, wherein the sleeve tube has a central axis and is configured to be connected to a sound guide tube; the sleeve tube comprises a first tube body and a second tube body, the second tube body being elastic, and in a direction perpendicular to the central axis, the thickness of a wall of the second tube body being less than the thickness of a wall of the first tube body; the cap body is connected to one end of the second tube body away from the first tube body, and the cap body at least surrounds an outer side of the second tube body; a cross-section of the second tube body passing through a plane where the central axis is located has an inner edge line close to the central axis, the inner edge line having a first end point and a second end point, and a first connecting line between the first end point and the second end point being inclined with respect to the central axis; and/or a cross-section of the second tube body passing through the plane where the central axis is located has an outer edge line away from the central axis, the outer edge line having a third end point and a fourth end point, and a second connecting line between the third end point and the fourth end point being inclined with respect to the central axis.
Inventors:
DENG YUANBAO (CN)
MA QIANG (CN)
MA QIANG (CN)
Application Number:
PCT/CN2022/109043
Publication Date:
April 06, 2023
Filing Date:
July 29, 2022
Export Citation:
Assignee:
ANKER INNOVATIONS TECH CO LTD (CN)
International Classes:
H04R1/10
Foreign References:
| CN216414549U | 2022-04-29 | |||
| CN102917291A | 2013-02-06 | |||
| CN207304845U | 2018-05-01 | |||
| CN207283763U | 2018-04-27 | |||
| US6513621B1 | 2003-02-04 | |||
| CN213990984U | 2021-08-17 |
Attorney, Agent or Firm:
BEIJING HENGBO INTELLECTUAL PROPERTY AGENT LTD. (CN)
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