US-20260129345-A1 - SPEAKER ASSEMBLIES AND EARPHONES

US20260129345A1US 20260129345 A1US20260129345 A1US 20260129345A1US-20260129345-A1

Abstract

A speaker assembly comprising a housing assembly and a bone conduction speaker is provided. the bone conduction speaker includes a core shell, a transducer, a vibration transmission face-fitting assembly, and an auxiliary face-fitting assembly. The housing assembly includes a main housing, the core shell is supported on the main housing, the transducer is disposed inside the core shell. the vibration transmission face-fitting assembly includes a vibration plate connected to the transducer and contacts a face region on a front side of a tragus of a user when the speaker assembly is in a wearing state. the auxiliary face-fitting assembly includes a rigid support member and a soft fitting member, the rigid support member is connected to the core shell, and the soft fitting member is disposed on the rigid support member.

Inventors

Yueqiang Wang
Junjiang FU
Song You
Yingying Zhang

Assignees

Shenzhen Shokz Co., Ltd.

Dates

Publication Date: 20260507
Application Date: 20251228

Claims (20)

1 . A speaker assembly comprising a housing assembly and a bone conduction speaker, wherein the bone conduction speaker includes a core shell, a transducer, a vibration transmission face-fitting assembly, and an auxiliary face-fitting assembly, the housing assembly includes a main housing, the core shell is supported on the main housing, the transducer is disposed inside the core shell, the vibration transmission face-fitting assembly includes a vibration plate connected to the transducer and contacts a face region on a front side of a tragus of a user when the speaker assembly is in a wearing state, the auxiliary face-fitting assembly includes a rigid support member and a soft fitting member, the rigid support member is connected to the core shell, and the soft fitting member is disposed on the rigid support member, and the soft fitting member is configured to contact the face region at the periphery of the vibration plate when the speaker assembly is in the wearing state.
2 . The speaker assembly of claim 1 , wherein when viewed in a vibration direction of the vibration plate, the rigid support member is closed and surrounds a periphery of the vibration plate along a circumference of the vibration plate, and a width of the rigid support member on a side facing the tragus is smaller than a width of the rigid support member on a side away from the tragus, and the soft fitting member is provided with a notch on a side facing the tragus and partially surrounds the vibration plate along the circumference of the vibration plate.
3 . The speaker assembly of claim 1 , wherein a ratio of the width of the rigid support member on the side facing the tragus to the width of the rigid support member on the side away from the tragus is less than or equal to 0.2.
4 . The speaker assembly of claim 1 , wherein the rigid support member is made of plastic and the width of the rigid support member on the side facing the tragus is in a range of 0.5 mm-1.5 mm.
5 . The speaker assembly of claim 1 , wherein the rigid support member is detachably connected to the core shell.
6 . The speaker assembly of claim 5 , wherein the rigid support member includes a support plate and an annular flange, the support plate is provided with a through hole, the vibration plate is exposed through the through hole, the annular flange is disposed on a side of the support plate facing the core shell and surrounds a periphery of the through hole, the annular flange is sleeved on a periphery of the core shell, and an outer wall surface of the core shell and an inner wall surface of the annular flange are respectively provided with snap structures that cooperate with each other.
7 . The speaker assembly of claim 6 , wherein the rigid support member is integrally formed, and a side of the rigid support member facing the core shell surrounds the through hole and protrudes to form the annular flange.
8 . The speaker assembly of claim 1 , wherein the bone conduction speaker further includes a first vibration transmission sheet, the transducer is elastically suspended in the core shell through the first vibration transmission sheet, the vibration plate is independent from the core shell, the vibration transmission face-fitting assembly further includes a soft vibration transmission member fitted to a side of the vibration plate facing the face region, a hardness of the soft vibration transmission member is greater than a hardness of the soft fitting member, and when the speaker assembly is in a free state, a side of the soft fitting member facing the face region protrudes from a side of the soft vibration transmission member facing the face region.
9 . The speaker assembly of claim 1 , further comprising an air conduction speaker disposed within the housing assembly, wherein the air conduction speaker is provided with a first sound outlet, the housing assembly is provided with a second sound outlet corresponding to the first sound outlet, and when viewed in the vibration direction of the vibration plate, the second sound outlet is disposed between the vibration plate and the tragus and is at least partially disposed at a periphery of the rigid support member.
10 . The speaker assembly of claim 9 , wherein the housing assembly further includes a main cover body, the main housing is configured to form an accommodation space with an open end, the main cover body is covered on the open end of the main housing, the air conduction speaker is disposed within the accommodation space, the second sound outlet is disposed on the main cover body, and the main cover body is provided with an opening through which the core shell and the vibration plate are exposed.
11 . The speaker assembly of claim 9 , wherein the bone conduction speaker is rotatably supported on the main housing and is capable of rotating with respect to the main housing along a preset rotation axis, the vibration direction of the air conduction speaker is parallel to the preset rotation axis, and the vibration direction of the bone conduction speaker is perpendicular to the rotation axis.
12 . A speaker assembly comprising a housing assembly, an air conduction speaker, and a bone conduction speaker, wherein the bone conduction speaker is disposed eccentrically relative to the housing assembly, the bone conduction speaker includes a vibration transmission face-fitting assembly contacting a face region at a front of a tragus of a user when the speaker assembly is in a wearing state, and the vibration transmission face-fitting assembly is configured to transmit bone conduction sound waves, the air conduction speaker is disposed within the housing assembly, the air conduction speaker is provided with a first sound outlet, the housing assembly is provided with a second sound outlet corresponding to the first sound outlet, and the second sound outlet is located at a periphery of the vibration transmission face-fitting assembly when viewed in a vibration direction of the bone conduction speaker and is configured to transmit air conduction sound waves.
13 . The speaker assembly of claim 12 , wherein the bone conduction speaker includes a core shell, a transducer, a vibration transmission face-fitting assembly, and an auxiliary face-fitting assembly, the housing assembly includes a main housing, the core shell is supported on the main housing, the transducer is disposed inside the core shell, the vibration transmission face-fitting assembly includes a vibration plate connected to the transducer and contacts a face region on a front side of a tragus of a user when the speaker assembly is in a wearing state, the auxiliary face-fitting assembly is connected to the core shell and contacts the face region at the periphery of the vibration plate when the speaker assembly is in the wearing state.
14 . The speaker assembly of claim 12 , wherein when viewed in a vibration direction of the vibration plate, the auxiliary face-fitting assembly surrounds a periphery of the vibration plate along a circumference of the vibration plate, and a width of the auxiliary face-fitting assembly on a side facing the tragus is smaller than a width of the auxiliary face-fitting assembly on a side away from the tragus, and the second sound outlet is disposed between the vibration plate and the tragus and is at least partially disposed at a periphery of the auxiliary face-fitting assembly.
15 . The speaker assembly of claim 12 wherein the housing assembly further includes a main cover body and a main housing, the main housing includes a bottom wall and a circumferential sidewall connected to the bottom wall to form an accommodation space with an open end, the main cover body is covered on the open end of the main housing, the air conduction speaker is disposed within the accommodation space, the second sound outlet is disposed on the main cover body, the main cover body is provided with an opening, and the bone conduction speaker includes a core shell and a vibration plate, the core shell and the vibration plate are exposed through the opening.
16 . The speaker assembly of claim 15 , wherein the second sound outlet is disposed toward an ear of the user when the speaker assembly is in the wearing state.
17 . The speaker assembly of claim 15 , wherein the bone conduction speaker includes a transducer, the core shell includes a second bottom wall and a second circumferential sidewall connected to the second bottom wall to form a second accommodating space with an open end, the transducer is disposed in the second accommodation space, and the second bottom wall is disposed facing the bottom wall relative to the open end of the second accommodating space.
18 . The speaker assembly of claim 15 , wherein the air conduction speaker is inserted into the accommodation space from the open end of the main housing, and the air conduction speaker is further disposed with a first pressure relief hole, the first sound outlet and the first pressure relief hole are disposed opposite to each other along an insertion direction of the air conduction speaker relative to the main housing, and a second pressure relief hole is disposed corresponding to the first pressure relief hole on the bottom wall.
19 . The speaker assembly of claim 13 , wherein the auxiliary face-fitting assembly includes a rigid support member and a soft fitting member, the rigid support member is connected to the core shell, and when viewed in a vibration direction of the vibration plate, the rigid support member is closed and surrounds a periphery of the vibration plate along a circumference of the vibration plate, and a width of the rigid support member on a side facing the tragus is smaller than a width of the rigid support member on a side away from the tragus, the soft fitting member is disposed on the rigid support member, the soft fitting member is provided with a notch on a side facing the tragus and partially surrounds the vibration plate along the circumference of the vibration plate, and the soft fitting member is configured to contact the face region at the periphery of the vibration plate when the speaker assembly is in the wearing state.
20 . An earphone comprising the speaker assembly of claim 1 and a wearing assembly connected to the speaker assembly, the wearing assembly being configured to position the speaker assembly in a face region on a front side of a tragus of a user when the earphone is in a wearing state.

Description

CROSS-REFERENCETO RELATED APPLICATIONS This application is a Continuation of International Patent Application No. PCT/CN2024/076067, filed on February 05, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD The present disclosure relates to the technical field of sound generation device, and in particular to a speaker assembly and an earphone. BACKGROUND With a continuous popularization of electronic devices, the electronic devices have become indispensable social and entertainment tools in people’s daily life. The electronic devices such as earphones and smart glasses have also been widely used in people’s daily life, which are used in conjunction with cell phones, computers, and other terminal devices in order to facilitate the provision of an auditory feast for the user. Thus, how to improve a sound quality and a wearing comfort of the earphone and other electronic devices is an urgent problem at present. SUMMARY The present disclosure provides a speaker assembly comprising a housing assembly and a bone conduction speaker. The bone conduction speaker includes a core shell, a transducer, a vibration transmission face-fitting assembly, and an auxiliary face-fitting assembly. The housing assembly includes a main housing, the core shell is supported on the main housing, and the transducer is disposed inside the core shell. The vibration transmission face-fitting assembly includes a vibration plate connected to the transducer and contacts a face region on a front side of a tragus of a user when the speaker assembly is in a wearing state. The auxiliary face-fitting assembly includes a rigid support member and a soft fitting member, the rigid support member is connected to the core shell, and when viewed in a vibration direction of the vibration plate, the rigid support member is closed and surrounds a periphery of the vibration plate along a circumference of the vibration plate, and a width of the rigid support member on a side facing the tragus is smaller than a width of the rigid support member on a side away from the tragus. The soft fitting member is disposed on the rigid support member, the soft fitting member is provided with a notch on a side facing the tragus and partially surrounds the vibration plate along the circumference of the vibration plate, and the soft fitting member is configured to contact the face region at the periphery of the vibration plate when the speaker assembly is in the wearing state. In some embodiments, a ratio of the width of the rigid support member on the side facing the tragus to the width of the rigid support member on the side away from the tragus is less than or equal to 0.2. In some embodiments, the rigid support member is detachably connected to the core shell. In some embodiments, the rigid support member includes a support plate and an annular flange, the support plate is provided with a through hole, and the vibration plate is exposed through the through hole. The annular flange is disposed on a side of the support plate facing the core shell and surrounds a periphery of the through hole, and the annular flange is sleeved on a periphery of the core shell. An outer wall surface of the core shell and an inner wall surface of the annular flange are respectively provided with snap structures that cooperate with each other. In some embodiments, the bone conduction speaker further includes a first vibration transmission sheet, and the transducer is elastically suspended in the core shell through the first vibration transmission sheet. The vibration plate is independent from the core shell, the vibration transmission face-fitting assembly further includes a soft vibration transmission member fitted to a side of the vibration plate facing the face region, and a hardness of the soft vibration transmission member is greater than a hardness of the soft fitting member. When the speaker assembly is in a free state, a side of the soft fitting member facing the face region protrudes from a side of the soft vibration transmission member facing the face region. In some embodiments, the speaker assembly further includes an air conduction speaker disposed within the housing assembly. The air conduction speaker is provided with a first sound outlet, the housing assembly is provided with a second sound outlet corresponding to the first sound outlet, and when viewed in the vibration direction of the vibration plate, the second sound outlet is disposed between the vibration plate and the tragus and is at least partially disposed at a periphery of the rigid support member. In some embodiments, the housing assembly further includes a main cover body, the main housing is configured to form an accommodation space with an open end, the main cover body is covered on the open end of the main housing, the air conduction speaker is disposed within the accommodation space, the second sound outlet is disposed on the main cover body, and the main cover body is prov