WO2022006967A1 - 一种扬声器 - Google Patents

一种扬声器 Download PDF

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Publication number
WO2022006967A1
WO2022006967A1 PCT/CN2020/102431 CN2020102431W WO2022006967A1 WO 2022006967 A1 WO2022006967 A1 WO 2022006967A1 CN 2020102431 W CN2020102431 W CN 2020102431W WO 2022006967 A1 WO2022006967 A1 WO 2022006967A1
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WO
WIPO (PCT)
Prior art keywords
support
fixed
diaphragm
voice coil
support piece
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PCT/CN2020/102431
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English (en)
French (fr)
Inventor
严绪东
邵涛
顾小江
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
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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
Publication of WO2022006967A1 publication Critical patent/WO2022006967A1/zh

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Classifications

    • 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

  • the utility model relates to the field of electro-acoustic conversion, in particular to a loudspeaker.
  • Speakers also known as sounding devices or speakers, are used in speakers to convert audio signals into sound playback.
  • the sound-generating device of the related art includes a basin frame, a vibration system fixed to the basin frame, and a magnetic circuit system with a magnetic gap.
  • the magnetic circuit system drives the vibration system to vibrate and sound, and the magnetic circuit system includes a magnetic bowl and a housing. A magnetic steel unit fixed in the magnetic bowl.
  • the centering piece of the speaker and the skeleton are fixed by glue.
  • the centering piece is sleeved outside the skeleton, and requires tooling at a certain height of the speaker as a whole.
  • the glue between the centering support and the frame is easy to overflow and stick to the tooling, which is not conducive to the removal of the tooling, thus affecting the assembly process of the speaker.
  • the purpose of the present invention is to provide a loudspeaker, which can provide the positioning support of the centering support without additional tooling, avoid the situation that the tooling is stuck by glue and is not easy to dismantle, thereby ensuring the assembly of the loudspeaker.
  • the present invention provides the following embodiments:
  • a loudspeaker comprising a basin frame, a vibration system fixed on the basin frame, and a magnetic circuit system for driving the vibration system to vibrate and sound, the vibration system comprising a vibrating membrane fixed on the basin frame, a vibrating membrane along the vibrating membrane
  • the vibration direction is opposite to the vibrating membrane and the centering support piece is arranged at intervals, the skeleton is connected between the centering support piece and the vibration film, and the skeleton is connected with the skeleton and suspended on the vibration film
  • a voice coil close to one side of the centering support piece, one side of the centering support piece is connected with the basin frame, and the other side is connected with the skeleton;
  • the frame includes a main body portion fixed to the diaphragm, an extension portion extending from the main body portion toward the centering piece to form an extension portion surrounding the voice coil, and extending from the extension portion toward the voice coil direction
  • the support arm is formed; the end of the support arm away from the extension part supports and fixes the voice coil, the centering piece is fixed with the outer circumference of the extension part, and the extension part faces away from the voice coil
  • a positioning support block is protruded on the outer side surface, and the positioning support block abuts and is fixed on at least one side of the centering support piece along the vibration direction.
  • the extension portion is annular, and the number of the positioning support blocks is at least two; at least two of the positioning support blocks are arranged at intervals around the circumference of the extension portion.
  • the positioning support block is located between the main body portion and the centering support piece.
  • the vibration system further includes a support sheet fixed to the voice coil;
  • the support sheet includes an outer connection part and an inner connection part spaced apart from each other, and a connection between the outer connection part and the inner connection
  • the voice coil is sandwiched between the support arm and the inner connecting portion, the support bar and the support arm are arranged opposite to each other, and the outer connecting portion is fixed to the extension portion.
  • a side of the extension portion away from the main body portion is fixed with the outer connecting portion in a concave-convex manner, and the extension portion is sandwiched between the outer connecting portion and the main body portion.
  • the basin frame includes a bottom wall and an annular side wall bent and extended from the edge of the bottom wall, the diaphragm is fixed on the side of the side wall away from the bottom wall, and the magnetic circuit
  • the system includes a magnet part fixed on the bottom wall and a magnetic bowl covered on the side of the magnet part away from the bottom wall, the diaphragm is wound around the outer circumference of the magnetic bowl and connected with the magnetic bowl .
  • the magnetic bowl includes a top plate facing the bottom wall and a side plate that is bent and extended from the edge of the top plate toward the bottom wall to surround the magnet portion;
  • the vibrating membrane includes an outer vibrating membrane and an inner vibrating membrane that are spaced apart from each other. Both the outer vibrating membrane and the inner vibrating membrane are annular and are arranged around the outer periphery of the top plate. The inner vibrating membrane is located on the top plate. and the outer diaphragm, the main body part is disposed between the inner diaphragm and the outer diaphragm.
  • the side plate is spaced from the magnet portion to form a magnetic gap, the voice coil is suspended in the magnetic gap, the side plate correspondingly forms an avoidance gap for avoiding the support arm, and the support The arm extends into the magnetic gap through the avoidance gap.
  • a support leg is formed on the edge of the top plate extending toward the inner diaphragm, and an end of the inner diaphragm away from the main body portion is fixed to the support leg.
  • the support feet are opposite to the support arms and are arranged at intervals, the support feet are located on the side of the inner diaphragm facing the bottom wall, and the speaker further includes a cover arranged on the inner diaphragm.
  • the spacer of the diaphragm, one end of the inner diaphragm close to the top plate is sandwiched between the spacer and the support foot.
  • the utility model realizes the positioning of the centering support piece by protruding a positioning support block on the side of the extension part of the skeleton away from the voice coil, and the positioning support block abuts and is fixed on at least one side of the centering support piece along the vibration direction. Support, there is no need to set up additional tooling, to avoid the situation that the tooling is stuck by glue and inconvenient to dismantle, thus ensuring the assembly of the speaker.
  • Fig. 1 is the overall structure schematic diagram of the speaker of the present invention
  • Fig. 2 is the A-A sectional view of the utility model Fig. 1;
  • FIG. 3 is an enlarged view of the structure of part A of FIG. 2 of the present utility model
  • FIG. 4 is an exploded view of the speaker of the present invention.
  • basin frame 11, bottom wall; 12, annular side wall; 20, vibration system; 21, diaphragm; 211, inner diaphragm; 212, outer diaphragm; 22, centering support piece; 23, skeleton; 231, main body part; 232, extension part; 233, support arm; 24, voice coil; 30, magnetic circuit system; 31, magnet part; 32, magnetic bowl; 321, top plate; 322, side plate; 323, support feet; 33, magnetic gap; 40, positioning support block; 50, support piece; 51, outer connection part; 52, inner connection part; 53, support bar; 60, avoidance gap; 70, gasket.
  • the present invention provides a loudspeaker, including a basin frame 10, a vibration system 20 fixed on the basin frame 10, and a magnetic circuit system 30 for driving the vibration system 20 to vibrate and emit sound; wherein,
  • the vibrating system 20 includes a vibrating membrane 21 fixed on the basin frame 10 , a centering support piece 22 which is opposite to the vibration membrane 21 along the vibration direction of the vibration membrane 21 and is spaced apart, and a centering support piece 22 connected between the vibrating membrane 21 and the centering support piece 22 .
  • the skeleton 23 and the voice coil 24 connected with the skeleton 23 and suspended on the side of the diaphragm 21 close to the centering support piece 22, one side of the centering support piece 22 is connected with the basin frame 10, and the other side is connected with the skeleton 23;
  • the frame 23 includes a main body 231 fixed to the diaphragm 21 , an extension 232 extending from the main body 231 toward the centering piece 22 to surround the voice coil 24 , and a support arm 233 extending from the extension 232 toward the voice coil 24 .
  • One end of the support arm 233 away from the extension part 232 supports and fixes the voice coil 24; , the outer side of the extension part 232 is protruded with a positioning support block 40, and the outer side of the extension part 232 is the surface of the extension part 232 facing away from the voice coil 24; the positioning support block 40 abuts and is fixed on the centering support piece 22 along the vibration At least one side of the direction; in this way, the positioning support of the centering support piece 22 in the vibration direction is realized, and no additional tooling is required to avoid the situation that the tooling is stuck by glue and is not easy to remove, thereby ensuring the assembly of the speaker.
  • the extension portion 232 is annular. It should be noted here that the above-mentioned “annular” means that the extension track of the extension portion 232 is annular as a whole, which may be a closed loop or an intermittent non-circular shape.
  • the closed ring shape is not limited to a circle, an ellipse, etc., and in this embodiment, the shape of the extension track of the extension portion 232 is preferably a circle.
  • the number of the support arms 233 is at least two, the at least two support arms 233 are fitted around the circumference of the extension portion 232 , and the at least two support arms 233 are fitted to clamp the voice coil 24 .
  • the above-mentioned positioning support block 40 can be set as one piece, and in order to ensure that the positioning support block 40 can stably support the centering support piece 22 so that the centering support piece 22 can not tilt and collapse to any side, in actual operation, please refer to FIG. 2 . 4, the length of the positioning support block 40 is preferably set to exceed the length of the half circumference of the centering support piece 22.
  • the number of the above-mentioned positioning support blocks 40 is preferably at least two pieces, and at least two positioning support blocks 40 are arranged at intervals around the circumferential direction of the extension portion 232 to realize the support of the centering support pieces 22 at different positions, so, The length of a single positioning support block 40 can be reduced; more preferably, at least two positioning support blocks 40 are arranged at equal distances, thereby improving support stability.
  • the positioning support block 40 is located between the main body portion 231 and the centering support piece 22 .
  • the vibration system 20 further includes a support piece 50 fixed to the voice coil 24 ;
  • the support bar 53 connecting the outer connection part 51 and the inner connection part 52; the voice coil 24 is sandwiched between the support arm 233 and the inner connection part 52; the support bar 53 is opposite to the support arm 233, and the outer connection part 51 and the extension part 232 fixed to improve the stability of the voice coil 24 installation.
  • the side of the extension portion 232 away from the main body portion 231 is fixed with the outer connecting portion 51 in a concave-convex manner to enhance the stability of the relative position between the support sheet 50 and the frame 23; between the main body parts 231 .
  • the basin frame 10 includes a bottom wall 11 and an annular side wall 12 bent and extended from the edge of the bottom wall 11 .
  • the diaphragm 21 is fixed on the side wall away from the bottom wall 11 .
  • the magnetic circuit system 30 includes a magnet portion 31 fixed on the bottom wall 11 and a magnetic bowl 32 covered on the side of the magnet portion 31 away from the bottom wall 11.
  • the diaphragm 21 is wound around the outer circumference of the magnetic bowl 32 and is connected to the magnetic The bowls 32 are connected, and the overall structure is more compact.
  • the magnetic bowl 32 includes a top plate 321 facing the bottom wall 11 and a side plate 322 bent and extended from the edge of the top plate 321 toward the bottom wall 11 to form a surrounding magnet portion 31;
  • the vibrating membrane 21 includes an outer vibrating membrane 212 and an inner vibrating membrane 211 that are spaced apart from each other. Both the outer vibrating membrane 212 and the inner vibrating membrane 211 are annular and are arranged around the outer periphery of the top plate 321. The inner vibrating membrane 211 is located between the top plate 321 and the outer vibrating membrane. 212 , the main body portion 231 is disposed between the inner diaphragm 211 and the outer diaphragm 212 .
  • the above-mentioned side plate 322 is spaced from the magnet portion 31 to form a magnetic gap 33 , the voice coil 24 is suspended in the magnetic gap 33 , and the side plate 322 correspondingly forms an avoidance gap 60 for avoiding the support arm 233 , and the support arm 233 extends through the avoidance gap 60 to the magnetic gap 60 .
  • the support arm 233 is located outside the side plate 322, reducing the thickness of the speaker.
  • a supporting leg 323 is formed on the edge of the top plate 321 extending toward the inner diaphragm 211 , and one end of the inner diaphragm 211 away from the main body 231 is fixed with the supporting leg 323 to stabilize the inner diaphragm 211 , thereby Improve vibration stability.
  • the support feet 323 are opposite to the support arms 233 and are arranged at intervals.
  • the support feet 323 are located on the side of the inner diaphragm 211 facing the bottom wall 11.
  • the speaker also includes a gasket 70 covered on the inner diaphragm 211.
  • the end of the membrane 211 close to the top plate 321 is sandwiched between the spacer 70 and the support feet 323 to further stabilize the inner diaphragm 211 , that is, to further improve the vibration stability.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

本申请公开了一种扬声器，包括盆架、固定于盆架的振动系统以及驱动振动系统振动发声的磁路系统，振动系统包括固定于盆架的振膜、与振膜相对且间隔设置的定心支片、连接在定心支片与振膜之间的骨架、以及与骨架相连并悬置的音圈；骨架包括固定于振膜的主体部、自主体部朝定心支片方向延伸形成环绕音圈的延伸部以及自延伸部朝音圈方向延伸形成的支撑臂；支撑臂支撑并固定音圈，定心支片绕设于延伸部外周，延伸部外侧面凸设有定位支撑块，定位支撑块抵接并固定于定心支片沿振动方向的至少一侧。本申请无需另外设置工装即可提供定心支片的定位支撑，避免工装受胶水粘住而不便于拆除的情况，从而确保扬声器的组装。

Description

一种扬声器 技术领域
本实用新型涉及电声转换领域，尤其涉及一种扬声器。
 背景技术
扬声器又名发声器件或喇叭，运用于音箱中实现将音频信号转化为声音播放。
相关技术的发声器件包括盆架、固定于所述盆架的振动系统和具有磁间隙的磁路系统，所述磁路系统驱动所述振动系统振动发声，所述磁路系统包括磁碗和收容固定于所述磁碗内的磁钢单元。
 技术问题
然而，相关技术的扬声器中，扬声器的定心支片和骨架之间通过胶水粘合固定，装配时，定心支片套设在骨架外，并在扬声器整体的一定高度的位置上需要靠工装定位，且在组装后将工装拆除，然而，定心支片和骨架之间的胶水容易溢胶而粘住工装，不利于工装的拆除，从而影响扬声器的组装工序。
 技术解决方案
本实用新型的目的在于提供一种扬声器，其无需另外设置工装即可提供定心支片的定位支撑，可避免工装受胶水粘住而不便于拆除的情况，从而确保扬声器的组装。
为实现上述目的，本实用新型提供了以下实施方式：
一种扬声器，包括盆架、固定于所述盆架的振动系统以及驱动所述振动系统振动发声的磁路系统，所述振动系统包括固定于所述盆架的振膜、沿所述振膜的振动方向与所述振膜相对且间隔设置的定心支片、连接在所述定心支片与所述振膜之间的骨架、以及与所述骨架相连并悬置于所述振膜靠近所述定心支片一侧的音圈，所述定心支片一侧与所述盆架连接，另一侧与所述骨架连接；
所述骨架包括固定于所述振膜的主体部、自所述主体部朝所述定心支片方向延伸形成环绕所述音圈的延伸部以及自所述延伸部朝所述音圈方向延伸形成的支撑臂；所述支撑臂远离所述延伸部的一端支撑并固定所述音圈，所述定心支片与所述延伸部的外周固定，所述延伸部背向所述音圈的外侧面凸设有定位支撑块，所述定位支撑块抵接并固定于所述定心支片沿所述振动方向的至少一侧。
作为一种改进，所述延伸部呈环形，所述定位支撑块的数量为至少两个；至少两个所述定位支撑块绕所述延伸部的周向间隔排列。
作为一种改进，所述定位支撑块位于所述主体部与所述定心支片之间。
作为一种改进，所述振动系统还包括固定于所述音圈的支撑片；所述支撑片包括相互间隔设置的外连接部与内连接部、以及连接所述外连接部与所述内连接部的支撑条；所述音圈夹设于所述支撑臂与所述内连接部之间，所述支撑条与所述支撑臂相对设置，所述外连接部与所述延伸部固定。
作为一种改进，所述延伸部远离所述主体部的一侧与所述外连接部凹凸配合固定，所述延伸部夹设于所述外连接部与所述主体部之间。
作为一种改进，所述盆架包括底壁以及自所述底壁边缘弯折延伸的环形侧壁，所述振膜固定于所述侧壁远离所述底壁的一侧，所述磁路系统包括固定于所述底壁的磁体部以及盖设于所述磁体部远离所述底壁的一侧的磁碗，所述振膜绕设于所述磁碗外周并与所述磁碗连接。
作为一种改进，所述磁碗包括与所述底壁正对的顶板以及自所述顶板边缘朝所述底壁弯折延伸形成环绕所述磁体部的侧板；
所述振膜包括相互间隔设置的外振膜和内振膜，所述外振膜与所述内振膜均呈环状并绕设于所述顶板外周，所述内振膜位于所述顶板与所述外振膜之间，所述主体部设置在所述内振膜与所述外振膜之间。
作为一种改进，所述侧板与所述磁体部间隔形成磁间隙，所述音圈悬置于所述磁间隙内，所述侧板对应形成避让所述支撑臂的避让缺口，所述支撑臂经所述避让缺口延伸至所述磁间隙内。
作为一种改进，所述顶板边缘朝所述内振膜方向延伸形成有支撑脚，所述内振膜远离所述主体部的一端与所述支撑脚固定。
作为一种改进，所述支撑脚与所述支撑臂正对且间隔设置，所述支撑脚位于所述内振膜朝向所述底壁的一侧，所述扬声器还包括盖设于所述内振膜的垫片，所述内振膜靠近所述顶板的一端夹设于所述垫片与所述支撑脚之间。
 有益效果
本实用新型通过在骨架的延伸部远离音圈的一侧凸设有定位支撑块，定位支撑块抵接并固定于定心支片沿振动方向的至少一侧，从而实现定心支片的定位支撑，无需另外设置工装，避免工装受胶水粘住而不便于拆除的情况，从而确保扬声器的组装。
 附图说明
图1为本实用新型扬声器的整体结构示意图；
图2为本实用新型图1的A-A向剖视图；
图3为本实用新型图2的局部A的结构放大图；
图4为本实用新型扬声器的爆炸图。
图中：10、盆架；11、底壁；12、环形侧壁；20、振动系统；21、振膜；211、内振膜；212、外振膜；22、定心支片；23、骨架；231、主体部；232、延伸部；233、支撑臂；24、音圈；30、磁路系统；31、磁体部；32、磁碗；321、顶板；322、侧板；323、支撑脚；33、磁间隙；40、定位支撑块；50、支撑片；51、外连接部；52、内连接部；53、支撑条；60、避让缺口；70、垫片。
 本发明的实施方式
下面结合图1至图4对本实用新型作详细描述。
需要说明的是，本实用新型实施例中所有方向性指示（诸如上、下、左、右、前、后、内、外、顶部、底部……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
还需要说明的是，当元件被称为“固定于”或“设置于”另一个元件上时，该元件可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为“连接”另一个元件，它可以是直接连接另一个元件或者可能同时存在居中元件。
请参阅图1至图4，本实用新型提供一种扬声器，包括盆架10、固定于盆架10的振动系统20以及驱动振动系统20振动发声的磁路系统30；其中，
振动系统20包括固定于盆架10的振膜21、沿振膜21的振动方向与振膜21相对且间隔设置的定心支片22、连接在定心支片22与振膜21之间的骨架23、以及与骨架23相连并悬置于振膜21靠近定心支片22一侧的音圈24，定心支片22一侧与盆架10连接，另一侧与骨架23连接；
骨架23包括固定于振膜21的主体部231、自主体部231朝定心支片22方向延伸形成环绕音圈24的延伸部232以及自延伸部232朝音圈24方向延伸形成的支撑臂233；支撑臂233远离延伸部232的一端支撑并固定音圈24，定心支片22绕设于延伸部232外周，延伸部232背向音圈24的外侧面凸设有定位支撑块40，即，延伸部232的外侧面凸设有定位支撑块40，且延伸部232的外侧面为延伸部232背向音圈24的面；定位支撑块40抵接并固定于定心支片22沿振动方向的至少一侧；如此，实现定心支片22的在振动方向上的定位支撑，无需另外设置工装，避免工装受胶水粘住而不便于拆除的情况，从而确保扬声器的组装。
请参阅图4，具体地，延伸部232呈环形，此处需要说明的是，上述的“环形”是指延伸部232的延伸轨迹整体呈环状，可以是闭合环或者也可以是间断的非闭合环状，并不仅限于圆形、椭圆形等等，而本实施例中，上述延伸部232的延伸轨迹的形状优选为圆形。
具体地，支撑臂233的数量为至少两个，至少两个支撑臂233绕延伸部232的周向配合配合，且至少两个支撑臂233配合夹紧音圈24。
上述的定位支撑块40可设置为一块，而为了确保定位支撑块40能够稳定支撑定心支片22而使定心支片22能够不向任意一侧倾斜倒塌，实际操作中，请参阅图2和图4，优选将定位支撑块40的长度设置成超过定心支片22半周长的长度，此时，定位支撑块40的长度过长，不利于加工；因此，本实用新型中提供改进的实施方式，将上述的定位支撑块40的数量优选为至少两块，至少两块定位支撑块40绕延伸部232的周向间隔排列，以实现对定心支片22不同位置的支撑，如此，可缩小单个定位支撑块40的长度；更优选为至少两个定位支撑块40等距设置，从而提高支撑稳定性。
具体地，定位支撑块40位于主体部231与定心支片22之间。
请参阅图4，本实用新型还提供了进一步的实施方式，振动系统20还包括固定于音圈24的支撑片50；支撑片50包括相互间隔设置的外连接部51与内连接部52、以及连接外连接部51与内连接部52的支撑条53；音圈24夹设于支撑臂233与内连接部52之间；支撑条53与支撑臂233相对设置，外连接部51与延伸部232固定，以提高音圈24安装的稳定性。
更为优选地，延伸部232远离主体部231的一侧与外连接部51凹凸配合固定，加强支撑片50和骨架23之间相对位置的稳定性；延伸部232夹设于外连接部51与主体部231之间。
请参阅图2和图4，本实用新型提供进一步的实施方式，盆架10包括底壁11以及自底壁11边缘弯折延伸的环形侧壁12，振膜21固定于侧壁远离底壁11的一侧，磁路系统30包括固定于底壁11的磁体部31以及盖设于磁体部31远离底壁11的一侧的磁碗32，振膜21绕设于磁碗32外周并与磁碗32连接，整体结构更为紧凑。
更进一步地，磁碗32包括与底壁11正对的顶板321以及自顶板321边缘朝底壁11弯折延伸形成环绕磁体部31的侧板322；
振膜21包括相互间隔设置的外振膜212和内振膜211，外振膜212与内振膜211均呈环状并绕设于顶板321外周，内振膜211位于顶板321与外振膜212之间，主体部231设置在内振膜211与外振膜212之间。
上述的侧板322与磁体部31间隔形成磁间隙33，音圈24悬置于磁间隙33内，侧板322对应形成避让支撑臂233的避让缺口60，支撑臂233经避让缺口60延伸至磁间隙33内，此时，支撑臂233位于侧板322的外侧，缩小本扬声器的厚度。
请参阅图2和图4，进一步地，顶板321边缘朝内振膜211方向延伸形成有支撑脚323，内振膜211远离主体部231的一端与支撑脚323固定，稳固内振膜211，从而提高振动稳定性。
更进一步地，支撑脚323与支撑臂233正对且间隔设置，支撑脚323位于内振膜211朝向底壁11的一侧，扬声器还包括盖设于内振膜211的垫片70，内振膜211靠近顶板321的一端夹设于垫片70与支撑脚323之间，进一步地稳固内振膜211，即，进一步提高振动稳定性。
以上的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种扬声器，包括盆架、固定于所述盆架的振动系统以及驱动所述振动系统振动发声的磁路系统，其特征在于：
    所述振动系统包括固定于所述盆架的振膜、沿所述振膜的振动方向与所述振膜相对且间隔设置的定心支片、连接在所述定心支片与所述振膜之间的骨架、以及与所述骨架相连并悬置于所述振膜靠近所述定心支片一侧的音圈，所述定心支片一侧与所述盆架连接，另一侧与所述骨架连接；
    所述骨架包括固定于所述振膜的主体部、自所述主体部朝所述定心支片方向延伸形成的延伸部以及自所述延伸部朝所述音圈方向延伸形成的支撑臂；所述支撑臂远离所述延伸部的一端支撑并固定所述音圈，所述定心支片与所述延伸部的外周固定，所述延伸部背向所述音圈的外侧面凸设有定位支撑块，所述定位支撑块抵接并固定于所述定心支片沿所述振动方向的至少一侧。
  2. 根据权利要求1所述的扬声器，其特征在于：所述延伸部呈环形，至少两个所述定位支撑块绕所述延伸部的周向间隔排列。
  3. 根据权利要求1所述的扬声器，其特征在于：所述定位支撑块位于所述主体部与所述定心支片之间。
  4. 根据权利要求1所述的扬声器，其特征在于：所述振动系统还包括固定于所述音圈的支撑片；所述支撑片包括相互间隔设置的外连接部与内连接部、以及连接所述外连接部与所述内连接部的支撑条；所述音圈夹设于所述支撑臂与所述内连接部之间，所述支撑条与所述支撑臂相对设置，所述外连接部与所述延伸部固定。
  5. 根据权利要求4所述的扬声器，其特征在于：所述延伸部远离所述主体部的一侧与所述外连接部凹凸配合固定，所述延伸部夹设于所述外连接部与所述主体部之间。
  6. 根据权利要求5所述的扬声器，其特征在于：所述盆架包括底壁以及自所述底壁边缘弯折延伸的环形侧壁，所述振膜固定于所述侧壁远离所述底壁的一侧，所述磁路系统包括固定于所述底壁的磁体部以及盖设于所述磁体部远离所述底壁一侧的磁碗，所述振膜绕设于所述磁碗外周并与所述磁碗连接。
  7. 根据权利要求6所述的扬声器，其特征在于：所述磁碗包括与所述底壁正对的顶板以及自所述顶板边缘朝所述底壁弯折延伸形成环绕所述磁体部的侧板；
    所述振膜包括相互间隔设置的外振膜和内振膜，所述外振膜与所述内振膜均呈环状并绕设于所述顶板外周，所述内振膜位于所述顶板与所述外振膜之间，所述主体部设置在所述内振膜与所述外振膜之间。
  8. 根据权利要求7所述的扬声器，其特征在于：所述侧板与所述磁体部间隔形成磁间隙，所述音圈悬置于所述磁间隙内，所述侧板对应形成避让所述支撑臂的避让缺口，所述支撑臂经所述避让缺口延伸至所述磁间隙内。
  9. 根据权利要求7所述的扬声器，其特征在于：所述顶板边缘朝所述内振膜方向延伸形成有支撑脚，所述内振膜远离所述主体部的一端与所述支撑脚固定。
  10. 根据权利要求9所述的扬声器，其特征在于：所述支撑脚与所述支撑臂正对且间隔设置，所述支撑脚位于所述内振膜朝向所述底壁的一侧，所述扬声器还包括盖设于所述内振膜的垫片，所述内振膜靠近所述顶板的一端夹设于所述垫片与所述支撑脚之间。
PCT/CN2020/102431 2020-07-06 2020-07-16 一种扬声器 WO2022006967A1 (zh)

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