US-20260129331-A1 - EARPHONES

US20260129331A1US 20260129331 A1US20260129331 A1US 20260129331A1US-20260129331-A1

Abstract

The present disclosure relates to an earphone. The earphone includes: a core housing, a speaker assembly and a button assembly disposed in the core housing. The speaker assembly includes a main speaker and an acoustic cavity bracket, the acoustic cavity bracket cooperates with the main speaker to form an acoustic rear cavity, the button assembly is supported by the acoustic cavity bracket, and the core housing is provided with a button portion for pressing to trigger the button assembly.

Inventors

ChaoWu Li
Qianwen NIE
Jianing LIANG

Assignees

Shenzhen Shokz Co., Ltd.

Dates

Publication Date: 20260507
Application Date: 20251229

Claims (15)

1 . An earphone, comprising: a core housing; and a speaker assembly and a button assembly disposed in the core housing, wherein the speaker assembly includes a main speaker and an acoustic cavity bracket, the acoustic cavity bracket is arranged around and cooperates with the main speaker to form an acoustic rear cavity, the button assembly is supported by the acoustic cavity bracket, and the core housing is provided with a button portion for pressing to trigger the button assembly.
2 . The earphone according to claim 1 , further comprising a main control circuit board, wherein the main control circuit board is stacked with the speaker assembly along a vibration direction of the main speaker, and a main surface of the main control circuit board is arranged to face toward or away from the speaker assembly, and the button assembly is supported by an outer circumferential surface of the acoustic cavity bracket and is electrically connected to the main control circuit board.
3 . The earphone according to claim 2 , wherein the button assembly includes a support plate and a button body disposed on a side of the support plate away from the acoustic cavity bracket, the button body is fixedly connected to the support plate, the support plate is fixedly supported by the outer circumferential surface of the acoustic cavity bracket, and an angle between a main surface of the support plate away from the acoustic cavity bracket and an axial direction of the acoustic cavity bracket is in a range of 0° to 10°.
4 . The earphone according to claim 3 , wherein the main surface of the support plate away from the acoustic cavity bracket is arranged perpendicular to the main surface of the main control circuit board facing toward or away from the speaker assembly, or an angle between the main surface of the support plate and the main surface of the main control circuit board is in a range of 80° to 90°.
5 . The earphone according to claim 3 , wherein a supporting surface is provided on the outer circumferential surface of the acoustic cavity bracket, a side of the support plate facing toward the acoustic cavity bracket is supported by the supporting surface, and a limiting mechanism for limiting the support plate is further provided on the acoustic cavity bracket.
6 . The earphone according to claim 5 , wherein the limiting mechanism includes a first limiting part disposed on a side of the supporting surface away from the main control circuit board, the first limiting part is configured to limit the support plate in a first direction, and the first direction is a direction parallel to the supporting surface and away from the main control circuit board.
7 . The earphone according to claim 6 , wherein a pressing block is disposed between the main control circuit board and the support plate, the pressing block is configured to elastically abut against a first plate edge of the support plate facing toward the main control circuit board, so that a second plate edge of the support plate away from the main control circuit board is supported by the first limiting part.
8 . The earphone according to claim 6 , wherein the limiting mechanism includes a second limiting part, the second limiting part is disposed around the supporting surface along a second direction, the second direction is parallel to the supporting surface and perpendicular to the first direction, and the second limiting part is configured to limit the support plate in the second direction.
9 . The earphone according to claim 8 , wherein the limiting mechanism includes two second limiting parts, the two second limiting parts are arranged at intervals along the second direction, and the support plate is located between the two second limiting parts, or the support plate includes a main body portion and a hook-shaped portion connected to the main body portion, the main body portion is supported by the supporting surface, and the hook-shaped portion is hooked on a side of the second limiting part away from the supporting surface.
10 . The earphone according to claim 8 , wherein the limiting mechanism includes a third limiting part arranged parallel to the supporting surface and spaced apart from the supporting surface, the third limiting part is located on a side of the support plate away from the supporting surface, and the third limiting part is configured to limit the support plate in a vertical direction of the supporting surface.
11 . The earphone according to claim 1 , wherein a button hole is formed in the core housing, the button portion includes a cantilever beam, a button cap, and a soft filler, the cantilever beam, the soft filler, and the button cap are disposed in the button hole, the cantilever beam is integrally formed with the core housing, a fixed end of the cantilever beam is located at a hole edge of the button hole, the button cap is disposed at a free end of the cantilever beam, and the soft filler is configured to fill a gap between an assembly of the cantilever beam and the button cap, and the hole edge of the button hole.
12 . The earphone according to claim 11 , further comprising an ear hook, wherein the core housing has a connection end connected to the ear hook and a free end away from the connection end, in a wearing state, the ear hook is hooked between an auricle and the head of a user, the core housing is located at a front side of the auricle, the free end at least partially covers or extends into a cavum conchae, the core housing has a longitudinal direction, a thickness direction, and a width direction that are orthogonal to each other, the longitudinal direction is a separation direction between the connection end and the free end, the thickness direction is a direction toward or away from the auricle in the wearing state, the core housing includes a first side wall and a second side wall arranged along the width direction, and the button portion is disposed on the first side wall or the second side wall.
13 . The earphone according to claim 1 , further comprising an ear hook and a magnet assembly, wherein the core housing has a connection end connected to the ear hook and a free end away from the connection end, a polarization direction of the magnet assembly is the same as a polarization direction of a main magnet of the main speaker; the speaker assembly further includes an auxiliary speaker, the magnet assembly and the auxiliary speaker are disposed along a vibration direction of the main speaker on a side of the main speaker close to an auricle of a user in a wearing state, and when viewed along a longitudinal direction of the core housing, the magnet assembly and the auxiliary speaker at least partially overlap, and the longitudinal direction is a separation direction between the connection end and the free end.
14 . The earphone according to claim 13 , wherein a ratio of a projection area of the magnet assembly along a thickness direction of the core housing to a projection area of the main magnet of the main speaker along the thickness direction is in a range of 0.1 to 0.2, the thickness direction of the core housing is a direction of the core housing toward or away from the auricle of the user in the wearing state, and the thickness direction and the longitudinal direction are orthogonal to each other.
15 . The earphone according to claim 13 , wherein the vibration direction of the main speaker and the longitudinal direction define a symmetry plane, the magnet assembly includes two magnets, and the two magnets are located on two sides of the symmetry plane and are symmetrically arranged relative to the symmetry plane.

Description

TECHNICAL FIELD The present disclosure relates to the field of electronic devices, in particular, to earphones. BACKGROUND With the continuous popularization of electronic devices, electronic devices have become indispensable social and entertainment tools in people's daily lives. People have increasingly higher requirements for electronic devices. Electronic devices such as earphones and smart glasses have been widely used in people's daily lives. These electronic devices can be used in conjunction with terminal devices such as mobile phones and computers to provide users with an auditory feast. Traditional earphones usually include buttons for users to press and control the earphones. However, the arrangement of the buttons and structures related to the buttons may cause the earphones to have a relatively large size. SUMMARY To solve the above technical problem, one technical solution adopted in the present disclosure is to provide an earphone. The earphone includes a core housing, a speaker assembly and a button assembly disposed in the core housing. The speaker assembly includes a main speaker and an acoustic cavity bracket. The acoustic cavity bracket cooperates with the main speaker to form an acoustic rear cavity. The button assembly is supported by the acoustic cavity bracket. The core housing is provided with a button portion for pressing to trigger the button assembly. In some embodiments, the earphone further includes a main control circuit board. The main control circuit board is stacked with the speaker assembly along a vibration direction of the main speaker. A main surface of the main control circuit board is arranged to face toward or away from the speaker assembly. The acoustic cavity bracket is arranged around the main speaker. The button assembly is supported by an outer circumferential surface of the acoustic cavity bracket and is electrically connected to the main control circuit board. In some embodiments, the button assembly includes a support plate and a button body disposed on a side of the support plate away from the acoustic cavity bracket. The button body is fixedly connected to the support plate. The support plate is fixedly supported by the outer circumferential surface of the acoustic cavity bracket. An angle between a main surface of the support plate away from the acoustic cavity bracket and an axial direction of the acoustic cavity bracket is in a range of 0° to 10°. In some embodiments, the main surface of the support plate away from the acoustic cavity bracket is arranged perpendicular to the main surface of the main control circuit board facing toward or away from the speaker assembly, or an angle between the main surface of the support plate and the main surface of the main control circuit board is in a range of 80° to 90°. In some embodiments, a supporting surface is provided on the outer circumferential surface of the acoustic cavity bracket. A side of the support plate facing toward the acoustic cavity bracket is supported by the supporting surface. A limiting mechanism for limiting the support plate is further provided on the acoustic cavity bracket. In some embodiments, the limiting mechanism includes a first limiting part disposed on a side of the supporting surface away from the main control circuit board. The first limiting part is configured to limit the support plate in a first direction. The first direction is a direction parallel to the supporting surface and away from the main control circuit board. In some embodiments, a pressing block is disposed between the main control circuit board and the support plate. The pressing block is configured to elastically abut against a first plate edge of the support plate facing toward the main control circuit board, so that a second plate edge of the support plate away from the main control circuit board is supported by the first limiting part. In some embodiments, the limiting mechanism includes a second limiting part. The second limiting part is disposed around the supporting surface along a second direction. The second direction is parallel to the supporting surface and perpendicular to the first direction. The second limiting part is configured to limit the support plate in the second direction. In some embodiments, the limiting mechanism includes two second limiting parts. The two second limiting parts are arranged at intervals along the second direction. The support plate is located between the two second limiting parts. Or the support plate includes a main body portion and a hook-shaped portion connected to the main body portion. The main body portion is supported by the supporting surface. The hook-shaped portion is hooked on a side of the second limiting part away from the supporting surface. In some embodiments, the limiting mechanism includes a third limiting part arranged perpendicular to the supporting surface and spaced apart from the supporting surface. The third limiting part is located on a side of the