WO2021000158A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2021000158A1
WO2021000158A1 PCT/CN2019/094058 CN2019094058W WO2021000158A1 WO 2021000158 A1 WO2021000158 A1 WO 2021000158A1 CN 2019094058 W CN2019094058 W CN 2019094058W WO 2021000158 A1 WO2021000158 A1 WO 2021000158A1
Authority
WO
WIPO (PCT)
Prior art keywords
fixed
side wall
yoke
arm
basin frame
Prior art date
Application number
PCT/CN2019/094058
Other languages
English (en)
French (fr)
Inventor
沈凯华
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2019/094058 priority Critical patent/WO2021000158A1/zh
Priority to CN201921033387.5U priority patent/CN210093526U/zh
Publication of WO2021000158A1 publication Critical patent/WO2021000158A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • This application relates to the field of electronic equipment, and in particular to a sound emitting device.
  • the sounding device adopts a large leakage and no flanging design, that is, the short axis of the sounding device has no flanging, and the yoke is unsupported. It is easy to deform during the drop test and cause the magnet to separate from the yoke, causing the sounding device to fail .
  • the purpose of this application is to overcome the above technical problems and provide a sounding device that can prevent the magnetic steel from being separated from the yoke during the drop test.
  • the present application provides a sounding device, including a basin frame, a vibration system and a magnetic circuit system fixed to the basin frame, the vibration system including a first diaphragm fixed to the basin frame, and a driving station
  • the first diaphragm vibrates and produces a voice coil and an elastic support.
  • One end of the elastic support is fixed to the voice coil and the other end is fixed to the basin frame.
  • the magnetic circuit system includes a A magnetic yoke
  • the basin frame includes two first side walls that fix the elastic support member, and a second side wall connected between the two first side arms
  • the sounding device further includes There are multiple support portions between the first side wall and the yoke, and the multiple support portions are arranged at intervals.
  • a plurality of the supporting parts are symmetrically arranged on the two first side walls, the supporting parts are in the shape of a flat plate, and the supporting parts include The upper base fixed by the first side wall, the lower base fixed with the yoke and the hypotenuse connecting the upper base and the lower base, the length of the upper base is not equal to the length of the lower base.
  • the magnetic yoke includes an integral body portion and extension portions provided at opposite ends of the body portion, and the magnetic circuit system further includes The main magnet and the auxiliary magnet of the main body, the auxiliary magnets are located on both sides of the main magnet and spaced apart from the main magnet, the auxiliary magnets are sandwiched between the basin frame and the magnet Between the yokes, the extension portion and the first side wall are relatively spaced apart, and the support portion is sandwiched between the extension portion and the first side wall.
  • the elastic support member is located between the extension portion and the first side wall, and the elastic support member includes a first fixed arm and a first fixed arm spaced apart from each other. Two fixed arms and an elastic arm connecting the first fixed arm and the second fixed arm, the first fixed arm is fixed to an end of the voice coil away from the first diaphragm, the second fixed arm Fixed to the first side wall.
  • the shape of the second fixed arm matches the shape of the first side wall, so The second fixed arm is attached and fixed to the first side wall; the support portion is formed by extending from the edge of the extension portion to the first side wall, and the upper bottom abuts against the second fixed arm Fixed, the lower bottom is connected and fixed with the extension part.
  • the second fixed arm when the supporting portion and the first side wall are integrally formed, the second fixed arm includes two fixed ends arranged at intervals, and the two fixed ends Are respectively fixed to the two ends of the first side wall, the supporting portion is formed by extending from the middle edge of the first side wall to the extension portion; the upper bottom is connected and fixed to the first side wall, The lower bottom abuts and fixes the extension part.
  • the sound device provided by the present application can not only support the magnetic yoke to increase the strength of the magnetic yoke by providing a support part sandwiched between the first side wall and the extension part, and prevent During the drop test, the magnetic steel is separated from the magnetic yoke, and the leakage amount of the sounding device can be adjusted by adjusting the size and number of the supporting parts to ensure that the performance of the sounding device remains unchanged.
  • FIG. 1 is a perspective view of the sound emitting device according to Embodiment 1 provided by this application;
  • FIG. 2 is an exploded view of the sound generating device according to Embodiment 1 provided by this application;
  • Figure 3 is a cross-sectional view taken along line III-III in Figure 1;
  • FIG. 4 is a diagram of two connection structures of the supporting part of Embodiment 1 provided by this application.
  • FIG. 5 is a perspective view of the sound emitting device according to Embodiment 2 provided by this application.
  • Fig. 6 is an exploded view of the sound emitting device according to the second embodiment of the application.
  • FIG. 7 is a diagram of two connection structures of the supporting part of the second embodiment provided by this application.
  • FIG. 1 is a perspective view of the sound emitting device according to Embodiment 1 of this application;
  • FIG. 2 is an exploded view of the sound emitting device according to Embodiment 1 of this application;
  • the present application provides a sound generating device 100, which includes a basin frame 1, a magnetic circuit system 2 fixed on the basin frame 1, a vibration system 3, and a supporting portion 4.
  • the basin frame 1 has a rectangular shape and includes two first side walls 11 arranged opposite to each other and a second side wall 12 connected between the two first side walls 11.
  • the vibration system 3 includes a first diaphragm 31, a voice coil 32, and an elastic support 33.
  • the first diaphragm 31 is fixed above the basin frame 1, and the voice coil 32 is fixed to the first diaphragm.
  • Below 31, after being energized, an electromagnetic force is generated with the magnetic circuit system 2 to drive the first diaphragm 31 to vibrate and produce sound.
  • the elastic support 33 is used to fix and support the voice coil 32, conduct electricity to the voice coil 32 and increase the amplitude of the sound emitting device 100 to increase the sounding loudness of the sound emitting device 100.
  • the elastic support 33 includes a first fixed arm 331 and a second fixed arm 332 spaced apart from each other, and an elastic arm 333 connecting the first fixed arm 331 and the second fixed arm 332.
  • the first fixed arm The 331 is fixed to an end of the voice coil 32 away from the first diaphragm 31, and the second fixed arm 332 is fixed to the first side wall 11.
  • the magnetic circuit system 2 includes a magnetic yoke 21 fixed under the basin frame 1, a main magnet 22, a main pole core 221 attached to the surface of the main magnet 22, and a distance from the main magnet 22
  • the secondary magnetic steel 23 and the secondary pole core 231 attached to the surface of the secondary magnetic steel 23 are provided.
  • Both the main pole core 221 and the secondary pole core 231 are made of magnetically conductive materials and are used to conduct magnetic Function to converge the magnetic field and improve the magnetic induction performance of the product.
  • the yoke 21 includes an integral body portion 211 and extension portions 212 provided at opposite ends of the body portion 211.
  • the main magnet 22 and the auxiliary magnet 24 are both fixed to the body portion 211, wherein The main magnet 22 is located in the middle of the main body 211, and the auxiliary magnet 24 is located on both sides of the main magnet 22 and is spaced from the main magnet 22 to form a magnetic gap.
  • the voice coil One end of 32 is fixed to the first diaphragm 31, and the other end is inserted into the magnetic gap.
  • FIG. 4 is a diagram of two connection structures of the supporting portion according to the first embodiment provided by this application.
  • the supporting portion 4 is sandwiched between the first side wall 11 and the yoke 21, specifically, the supporting portion 4 is sandwiched between the first side wall 11 and the extension portion 212
  • the supporting portion 4 is plate-shaped. In this embodiment, the cross-section of the supporting portion 4 is trapezoidal.
  • the supporting portion 4 includes an upper base 41 fixed to the first side wall 11, a lower base 42 fixed to the extension portion 212, and a hypotenuse 43 connecting the upper base 41 and the lower base 42.
  • the supporting portion 4 extends from the edge of the extending portion 212 toward the first side wall 11, that is, the supporting portion 4 and the extending portion 212 are One piece.
  • the shape of the second fixed arm 332 matches the shape of the first side wall 11, and the second fixed arm 332 is attached to and fixed to the first side wall 11, That is, the upper bottom 41 is abutted and fixed with the second fixing arm 332, and the lower bottom 42 is connected and fixed with the extension portion 212.
  • the length of the upper 41 is not equal to the length of the lower bottom 42. Specifically, in FIG. 4( a ), the length of the upper bottom 41 is greater than the length of the lower bottom 42. In FIG. 4( b ), the length of the upper bottom 41 is smaller than the length of the lower bottom 42.
  • the number of the supporting portions 4 is multiple, and the multiple supporting portions 4 are spaced apart and symmetrically arranged on the two first side walls 11. With such a structure, the leakage amount of the sound emitting device 100 can be adjusted by adjusting the size and number of the supporting portions 4, and the performance of the sound emitting device 100 can be kept unchanged.
  • FIG. 5 is a perspective view of the sound emitting device according to Embodiment 2 of this application
  • FIG. 6 is an exploded view of the sound emitting device according to Embodiment 2 of this application.
  • the structure of the second fixed arm 332' of the elastic support 33' provided in this embodiment is different from the structure of the second fixed arm 332 in the first embodiment; in addition, the structure provided by this embodiment
  • the supporting portion 4' extends from the edge of the first side wall 11 to the extension portion 212, that is, the supporting portion 4'and the basin frame 12 are integrally formed.
  • the second fixed arm 332' includes two fixed ends 3321 arranged at intervals, and the two fixed ends 3321 are respectively fixed to the two ends of the first side wall 11, and the supporting portion 4'
  • the first side wall 11 extends from the edge of the middle position to the extension portion 212.
  • the upper bottom 41' of the support portion 4' is connected and fixed to the first side wall 11, and the lower bottom 42' of the support portion 4'abuts the extension portion 212 of the yoke 21.
  • FIG. 7 is a diagram of two connection structures of the supporting portion of the second embodiment provided by the application.
  • the length of the upper bottom 41' is greater than the length of the lower bottom 42'; in Figure 7(d), the length of the upper bottom 41' is less than that of the lower bottom 42' length.
  • the sound device provided by the present application can not only support the magnetic yoke to increase the strength of the magnetic yoke by providing a support part sandwiched between the first side wall and the extension part, and prevent During the drop test, the magnetic steel is separated from the magnetic yoke, and the leakage amount of the sounding device can be adjusted by adjusting the size and number of the supporting parts to ensure that the performance of the sounding device remains unchanged.

Abstract

本申请提供了一种发声器件。所述发声器件包括盆架及固定于所述盆架的振动系统和磁路系统，所述振动系统包括固持于所述盆架的第一振膜、驱动所述第一振膜振动发声的音圈及弹性支撑件，所述弹性支撑件一端固定于所述音圈，另一端固定于所述盆架，所述磁路系统包括固定于所述盆架的磁轭，所述盆架包括固定所述弹性支撑件的两第一侧壁、以及连接于两所述第一侧臂之间的第二侧壁，所述发声器件还包括夹设于所述第一侧壁与所述磁轭之间的支撑部，所述支撑部的数量为多个且多个所述支撑部间隔设置。与相关技术相比，本申请提供的发声器件可以防止在跌落实验时磁钢与磁轭分离。

Description

发声器件 技术领域
本申请涉及电子设备领域，尤其涉及一种发声器件。
 背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。目前，手机的功能及其多样，其中之一便是高品质的音乐功能，而手机中的扬声器便是实现这个高品质音乐功能的必备条件之一。
相关技术中发声器件为优化性能，采用大泄漏无翻边设计，即发声器件的短轴无翻边，磁轭无支撑，在跌落实验时容易变形导致磁钢与磁轭分离，引起发声器件失效。
因此，有必要提供一种新的发声器件来解决上述问题。
 技术问题
本申请的目的是克服上述技术问题，提供一种可以防止在跌落实验时磁钢与磁轭分离的发声器件。
 技术解决方案
为了实现上述目的，本申请提供一种发声器件，包括盆架及固定于所述盆架的振动系统和磁路系统，所述振动系统包括固持于所述盆架的第一振膜、驱动所述第一振膜振动发声的音圈及弹性支撑件，所述弹性支撑件一端固定于所述音圈，另一端固定于所述盆架，所述磁路系统包括固定于所述盆架的磁轭，所述盆架包括固定所述弹性支撑件的两第一侧壁、以及连接于两所述第一侧臂之间的第二侧壁，所述发声器件还包括夹设于所述第一侧壁与所述磁轭之间的支撑部，所述支撑部的数量为多个且多个所述支撑部间隔设置。
在本申请提供的发声器件的一种较佳实施例中，多个所述支撑部对称设置于两所述所述第一侧壁，所述支撑部呈平板状，所述支撑部包括与所述第一侧壁固定的上底、与所述磁轭固定下底及连接所述上底和所述下底的斜边，所述上底的长度不等于所述下底的长度。
在本申请提供的发声器件的一种较佳实施例中，所述磁轭包括一体设置的本体部和设置于所述本体部相对两端的延伸部，所述磁路系统还包括固定于所述本体部的主磁钢和副磁钢，所述副磁钢位于所述主磁钢两侧且与所述主磁钢间隔设置，所述副磁钢夹设于所述盆架和所述磁轭之间，所述延伸部与所述第一侧壁相对间隔设置且所述支撑部夹设于所述延伸部和所述第一侧壁之间。
在本申请提供的发声器件的一种较佳实施例中，所述弹性支撑件位于所述延伸部和第一侧壁之间，所述弹性支撑件包括相互间隔设置的第一固定臂和第二固定臂以及连接所述第一固定臂与所述第二固定臂的弹性臂，所述第一固定臂固定于所述音圈远离所述第一振膜的一端，所述第二固定臂固定于所述第一侧壁。
在本申请提供的发声器件的一种较佳实施例中，当所述支撑部与所述延伸部一体成型，所述第二固定臂的形状与所述第一侧壁的形状相匹配，所述第二固定臂与所述第一侧壁贴合固定；所述支撑部自所述延伸部的边缘向所述第一侧壁延伸形成，所述上底与所述第二固定臂抵接固定，所述下底与所述延伸部连接固定。
在本申请提供的发声器件的一种较佳实施例中，当所述支撑部与所述第一侧壁一体成型，所述第二固定臂包括间隔设置的两固定端，两所述固定端分别固定于所述第一侧壁两个端部，所述支撑部自所述第一侧壁的中部边缘向所述延伸部延伸形成；所述上底与所述第一侧壁连接固定，所述下底与所述延伸部抵接固定。
 有益效果
与相关技术相比，本申请提供的发声器件通过设置夹设于所述第一侧壁和所述延伸部之间的支撑部不仅可以支撑所述磁轭以增加所述磁轭的强度，防止在跌落实验时磁钢与磁轭分离，还可以通过调整所述支撑部的尺寸和数量来调整所述发声器件的泄漏量，保证所述发声器件性能不变。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本申请提供实施例一的发声器件的立体图；
图2为本申请提供实施例一的发声器件的分解图；
图3为图1中沿III-III线的剖视图；
图4为本申请提供的实施例一的支撑部的两种连接结构图；
图5为本申请提供实施例二的发声器件的立体图；
图6为本申请提供实施例二的发声器件的分解图；
图7为本申请提供的实施例二的支撑部的两种连接结构图。
 本发明的最佳实施方式
下面将对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
实施例一
请结合参阅图1-图3，图1为本申请提供实施例一的发声器件的立体图；图2为本申请提供实施例一的发声器件的分解图；图3为图1中沿III-III线的剖视图。本申请提供了一种发声器件100，包括盆架1、固设于所述盆架1的磁路系统2和振动系统3及支撑部4。
所述盆架1呈矩形，其包括相对设置的两第一侧壁11、以及连接于两所述第一侧壁11之间的第二侧壁12。所述振动系统3包括第一振膜31、音圈32及弹性支撑件33，所述第一振膜31固持于所述盆架1上方，所述音圈32固定于所述第一振膜31下方，通电后与所述磁路系统2产生电磁力，从而驱动所述第一振膜31振动发声。所述弹性支撑件33用于固定支撑所述音圈32并给所述音圈32导电及增加所述发声器件100的振幅以提高所述发声器件100的发声响度。所述弹性支撑件33包括相互间隔设置的第一固定臂331和第二固定臂332以及连接所述第一固定臂331与所述第二固定臂332的弹性臂333，所述第一固定臂331固定于所述音圈32远离所述第一振膜31的一端，所述第二固定臂332固定于所述第一侧壁11。
所述磁路系统2包括固接于所述盆架1下方的磁轭21、主磁钢22、贴附于所述主磁钢22表面的主极芯221、与所述主磁钢22间隔设置的副磁钢23及贴附于所述副磁钢23表面的副极芯231，所述主极芯221和所述副极芯231均为导磁材料制成，用于起到导磁作用，汇聚磁场，提高产品的磁感应性能。
所述磁轭21包括一体设置的本体部211及设置于所述本体部211相对两端的延伸部212，所述主磁钢22和所述副磁钢24均固定于所述本体部211，其中所述主磁钢22位于所述本体部211的中间位置，所述副磁钢24位于所述主磁钢22的两侧并与所述主磁钢22间隔设置形成磁间隙，所述音圈32一端固定于所述第一振膜31，另一端插入所述磁间隙设置。
请再结合参阅图4，图4为本申请提供的实施例一的支撑部的两种连接结构图。所述支撑部4夹设于所述第一侧壁11和所述磁轭21之间，具体的，所述支撑部4夹设于所述第一侧壁11和所述延伸部212之间，所述支撑部4呈板状，在本实施例中，所述支撑部4的横截面呈梯形。所述支撑部4包括与所述第一侧壁11固定的上底41、与所述延伸部212固定的下底42及连接所述上底41和所述下底42的斜边43。
另外，需要说明的是，在本实施例中，所述支撑部4自所述延伸部212的边缘向所述第一侧壁11延伸形成，即所述支撑部4和所述延伸部212是一体成型。相应的，在本实施例中，所述第二固定臂332的形状与所述第一侧壁11的形状相匹配，所述第二固定臂332与所述第一侧壁11贴合固定，即所述上底41与所述第二固定臂332抵接固定，所述下底42与所述延伸部212连接固定。
所述上41的长度不等于所述下底42的长度。具体的，在图4（a）中，所述上底41的长度大于所述下底42的长度。在图4（b）中，所述上底41的长度小于所述下底42的长度。
所述支撑部4的数量为多个且多个所述支撑部4间隔并对称设置于两所述第一侧壁11。这样的结构可以通过调整所述支撑部4的尺寸和数量来调整所述发声器件100的泄漏量，保证所述发声器件100性能不变。
实施例二
请再结合参阅图5和图6，图5为本申请提供实施例二的发声器件的立体图；图6为本申请提供实施例二的发声器件的分解图。
与实施例一相比，本实施例提供的所述弹性支撑件33’的第二固定臂332’结构与实施例一的所述第二固定臂332的结构不同；另外，本实施例所提供的所述支撑部4’自所述第一侧壁11的边缘向所述延伸部212延伸形成，即所述支撑部4’和所述盆架12是一体成型。
在本实施例中，所述第二固定臂332’包括间隔设置的两固定端3321，两所述固定端3321分别固定于所述第一侧壁11两个端部，所述支撑部4’自所述第一侧壁11的中部位置的边缘向所述延伸部212延伸形成。所述支撑部4’的上底41’与所述第一侧壁11连接固定，所述支撑部4’的所述下底42’与所述磁轭21的所述延伸部212抵接。
具体的，请再结合参阅图7，图7为本申请提供的实施例二的支撑部的两种连接结构图。在图7（c）中，所述上底41’的长度大于所述下底42’的长度；在图7（d）中，所述上底41’的长度小于所述下底42’的长度。
与相关技术相比，本申请提供的发声器件通过设置夹设于所述第一侧壁和所述延伸部之间的支撑部不仅可以支撑所述磁轭以增加所述磁轭的强度，防止在跌落实验时磁钢与磁轭分离，还可以通过调整所述支撑部的尺寸和数量来调整所述发声器件的泄漏量，保证所述发声器件性能不变。
以上所述仅为本申请的实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本申请的专利保护范围内。
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在此处键入本发明的实施方式描述段落。
 工业实用性
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Claims (6)

  1. 一种发声器件，包括盆架及固定于所述盆架的振动系统和磁路系统，所述振动系统包括固持于所述盆架的第一振膜、驱动所述第一振膜振动发声的音圈及弹性支撑件，所述弹性支撑件一端固定于所述音圈，另一端固定于所述盆架，所述磁路系统包括固定于所述盆架的磁轭，其特征在于，所述盆架包括固定所述弹性支撑件的两第一侧壁、以及连接于两所述第一侧臂之间的第二侧壁，所述发声器件还包括夹设于所述第一侧壁与所述磁轭之间的支撑部，所述支撑部的数量为多个且多个所述支撑部间隔设置。
  2. 根据权利要求1所述的发声器件，其特征在于，多个所述支撑部对称设置于两所述所述第一侧壁，所述支撑部呈平板状，所述支撑部包括与所述第一侧壁固定的上底、与所述磁轭固定下底及连接所述上底和所述下底的斜边，所述上底的长度不等于所述下底的长度。
  3. 根据权利要求2所述的发声器件，其特征在于，所述磁轭包括一体设置的本体部和设置于所述本体部相对两端的延伸部，所述磁路系统还包括固定于所述本体部的主磁钢和副磁钢，所述副磁钢位于所述主磁钢两侧且与所述主磁钢间隔设置，所述副磁钢夹设于所述盆架和所述磁轭之间，所述延伸部与所述第一侧壁相对间隔设置且所述支撑部夹设于所述延伸部和所述第一侧壁之间。
  4. 根据权利要求3所述的发声器件，其特征在于，所述弹性支撑件位于所述延伸部和第一侧壁之间，所述弹性支撑件包括相互间隔设置的第一固定臂和第二固定臂以及连接所述第一固定臂与所述第二固定臂的弹性臂，所述第一固定臂固定于所述音圈远离所述第一振膜的一端，所述第二固定臂固定于所述第一侧壁。
  5. 根据权利要求4所述的发声器件，其特征在于，当所述支撑部与所述延伸部一体成型，所述第二固定臂的形状与所述第一侧壁的形状相匹配，所述第二固定臂与所述第一侧壁贴合固定；所述支撑部自所述延伸部的边缘向所述第一侧壁延伸形成，所述上底与所述第二固定臂抵接固定，所述下底与所述延伸部连接固定。
  6. 根据权利要求4所述的发声器件，其特征在于，当所述支撑部与所述第一侧壁一体成型，所述第二固定臂包括间隔设置的两固定端，两所述固定端分别固定于所述第一侧壁两个端部，所述支撑部自所述第一侧壁的中部边缘向所述延伸部延伸形成；所述上底与所述第一侧壁连接固定，所述下底与所述延伸部抵接固定。
PCT/CN2019/094058 2019-06-30 2019-06-30 发声器件 WO2021000158A1 (zh)

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CN108322869A (zh) * 2018-01-24 2018-07-24 瑞声科技(新加坡)有限公司 发声器件
CN109379680A (zh) * 2018-09-30 2019-02-22 瑞声科技(新加坡)有限公司 发声器件
CN109379679A (zh) * 2018-09-30 2019-02-22 瑞声科技(新加坡)有限公司 发声器件
CN208924470U (zh) * 2018-09-30 2019-05-31 瑞声科技(新加坡)有限公司 发声器件

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108322869A (zh) * 2018-01-24 2018-07-24 瑞声科技(新加坡)有限公司 发声器件
CN109379680A (zh) * 2018-09-30 2019-02-22 瑞声科技(新加坡)有限公司 发声器件
CN109379679A (zh) * 2018-09-30 2019-02-22 瑞声科技(新加坡)有限公司 发声器件
CN208924470U (zh) * 2018-09-30 2019-05-31 瑞声科技(新加坡)有限公司 发声器件

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