WO2022068010A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2022068010A1
WO2022068010A1 PCT/CN2020/129786 CN2020129786W WO2022068010A1 WO 2022068010 A1 WO2022068010 A1 WO 2022068010A1 CN 2020129786 W CN2020129786 W CN 2020129786W WO 2022068010 A1 WO2022068010 A1 WO 2022068010A1
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WO
WIPO (PCT)
Prior art keywords
sound
wall
base
fixed
sound production
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2020/129786
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English (en)
French (fr)
Inventor
张龙
任璋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte Ltd
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Application filed by AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022068010A1 publication Critical patent/WO2022068010A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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 sound and electricity, in particular to a sound producing device.
  • a related art sound-generating device includes a housing with a housing space and a sound-generating unit accommodated in the housing space, the sound-generating unit comprising a vibrating membrane for vibrating and producing sound, and the housing comprising a diaphragm along the vibrating membrane.
  • the vibration directions are respectively covered on the base and the rear shell on opposite sides of the sound-emitting unit, the base is provided with a sound-emitting port passing through it, and the side of the sound-emitting unit with the vibrating membrane faces the sound-emitting unit
  • the base includes a base plate provided with the sound-emitting port, a side wall that is bent and extended from the periphery of the base plate toward the rear shell, and a side of the side wall away from the base plate
  • the extension wall is bent and extended; the base plate and the side wall together form a accommodating cavity, the sounding unit is accommodated in the accommodating cavity, and the side of the side wall close to the sounding unit is supported by the base
  • the board extends obliquely toward the extending wall to facilitate dispensing, and the peripheral side of the sound-generating unit is glued and fixed to the side wall.
  • the side of the side wall close to the sound-generating unit extends obliquely from the base plate toward the extension wall, so that the sound-generating unit
  • the width of the device along the vibration direction perpendicular to the diaphragm is relatively large, and the width of one side is increased by at least 0.7 mm.
  • the purpose of the utility model is to provide a sound device with better reliability.
  • the present invention provides a sound-generating device, which includes a housing with a receiving space and a sound-generating unit accommodated in the receiving space.
  • the shell includes a base and a rear shell respectively covered on opposite sides of the sounding unit along the vibration direction of the diaphragm, the base is provided with a sounding port passing through it, and the sounding unit is provided with the One side of the diaphragm faces the sounding port,
  • the base includes a base plate with the sound-emitting port, a side wall bent and extended from the periphery of the base plate toward the rear shell, and a side away from the base plate of the side wall outwards. an extension wall that is bent and extended; the base plate and the side wall together form a accommodating cavity, and the sounding unit is accommodated in the accommodating cavity and supported on the base plate;
  • the sound-generating device further includes a fixing plate at least partially covered on the side of the sound-generating unit away from the vibrating membrane and fixed with the sound-generating unit, and the fixing plate includes a fixing plate fixed with the sound-generating unit. and a connecting portion extending from opposite ends of the fixing portion and being fixed with the extending wall, the fixing plate clamps the sounding unit in the receiving cavity.
  • each of the connecting portions includes a first through hole therethrough
  • the base further includes a hot-melt column extending from the extending wall toward the rear case and corresponding to the first through hole , each of the hot-melt pillars penetrates through a first through hole to form a fixed connection between the connecting portion and the extending wall.
  • the base further includes a positioning portion corresponding to the connecting portion, the positioning portion includes a positioning bottom wall fixed on a side of the extension wall away from the base plate, and a positioning bottom wall extending from the positioning bottom wall to a position close to the base plate.
  • the positioning side wall is bent and extended from the rear case, and the connecting portion is fixed on the positioning bottom wall and abuts against the positioning side wall.
  • a side of the positioning side wall close to the connecting portion extends obliquely from the positioning bottom wall in a direction away from the connecting portion.
  • the connecting portion is glued and fixed with the extending wall.
  • the fixing plate is made of steel sheet.
  • the fixing plate and the sounding unit are fixed by laser spot welding.
  • the base further includes an auxiliary extension wall that is bent and extended from the side of the extension wall away from the side wall toward the rear shell, and the rear shell includes a rear shell spaced from the sounding unit.
  • the rear case further includes a holding portion formed by the rear case plate extending in a direction away from the sound-generating unit
  • the sound-generating device further includes a conductive member for connecting the sound-generating unit to an external electrical signal
  • the conductive member includes a conductive member body, a connecting arm extending from the two ends of the conductive member body towards the sound-emitting monomer and being fixed and electrically connected to the sound-emitting monomer, and a connection arm extending from the conductive member body to the sound-emitting monomer.
  • first extension arm extending in the direction of the sounding unit and penetrating the casing
  • second extension arm bent and extending along the rear shell from an end of the first extension arm away from the conductor body
  • second extension arm extending from the end of the first extension arm
  • One end of the second extension arm away from the first extension arm is bent and extended to support the fixing arm fixed on the lifting portion
  • the fixing arm is provided with a second through hole therethrough
  • the lifting portion is provided with a second through hole extending therethrough.
  • There is a fixing column extending toward the fixing arm, and the fixing column is arranged through the second through hole.
  • the sound-generating device of the present invention further includes a fixing plate at least partially covered on the side of the sound-generating unit away from the vibrating membrane and fixed with the sound-generating unit, the fixing plate comprising a a fixing part for fixing the sounding unit and a connecting part extending from opposite ends of the fixing part and fixed with the extension wall, the fixing plate clamps the sounding unit in the receiving cavity ;
  • the fixing plate is used to realize the fixation with the sounding unit, and the reliability is better.
  • the peripheral side of the sounding unit and the side wall are avoided to be glued and fixed, and the peripheral side of the sounding unit is not glued.
  • the process and the process flow are simpler; the width of the sound-emitting device along the vibration direction perpendicular to the diaphragm is reduced by at least 1.4 mm, the volume of the sound-emitting device is reduced, and the space utilization rate is higher.
  • Fig. 1 is the stereoscopic structure schematic diagram of the sound-emitting device of the present invention
  • Fig. 2 is a sectional view along A-A in Fig. 1;
  • Fig. 3 is the assembly schematic diagram of the base, the sounding monomer and the conductive part of the present invention
  • FIG. 4 is a schematic three-dimensional structural diagram of the sound-emitting device of the present invention in another direction.
  • the present invention provides a sound-generating device 100 .
  • the sound-generating device 100 includes a housing 1 having an accommodation space 10 , a sound-generating unit 2 accommodated in the accommodation space 10 , a fixing plate 3 and Conductive member 4, the sound-generating unit 2 includes a vibrating membrane 21 for vibrating and sounding, and the housing 1 includes bases that are respectively covered on opposite sides of the sound-generating unit 2 along the vibration direction of the vibrating membrane 21 11 and rear shell 12.
  • the base 11 is provided with a sound-emitting port 110 extending therethrough, and the side of the sound-generating unit 2 with the diaphragm 21 faces the sound-emitting port 110 .
  • the base 11 includes a base plate 111 provided with the sound port 110 , a side wall 112 bent and extended from the periphery of the base plate 111 toward the rear shell 12 , and the side wall 112 .
  • the extension wall 113 is bent and extended outward from the side away from the base plate 111
  • the auxiliary extension wall 117 is bent and extended from the side of the extension wall 113 away from the side wall 112 toward the rear case 12 .
  • the positioning part 116 includes a positioning bottom wall 1161 fixed on a side of the extension wall 113 away from the base plate 111 , and a positioning side wall 1162 bent and extended from the positioning bottom wall 1161 toward the rear case 12 .
  • the base plate 111 and the side wall 112 together form a receiving cavity 114 , and the sounding unit 2 is received in the receiving cavity 114 and supported by the base plate 111 .
  • the fixing plate 3 is made of a steel sheet, and is at least partially covered on the side of the sound-generating unit 2 away from the diaphragm 21 and fixed to the sound-generating unit 2 .
  • the fixing plate 3 includes a fixing portion 31 that is fixed to the sounding unit 2 and a connecting portion 32 that is extended from opposite ends of the fixing portion 31 and is fixed to the extending wall 113 .
  • the board 3 clamps the sounding unit 2 in the receiving cavity 114 , and the positioning portion 116 is disposed corresponding to the connecting portion 32 .
  • the fixing part 31 and the sounding unit 2 are fixed by laser spot welding, and the reliability is better; it is arranged across the sounding unit 2, and the stability is better, of course, it is not limited to this. .
  • the connecting portion 32 includes two, and each connecting portion 32 includes a first through hole 320 penetrating thereon; preferably, each connecting portion 32 includes two first through holes 1320 that are disposed opposite to each other.
  • the connecting portion 32 is fixed to the positioning bottom wall 1161 and abuts against the positioning side wall 1162 .
  • the fixing plate 3 and the sounding unit 2 are used to realize the fixing, which has better reliability, and at the same time, the peripheral side of the sounding unit 2 and the side wall 112 are avoided to be glued and fixed, and the glueing process of the peripheral side of the sounding unit 2 is omitted. , the process flow is simpler; the width of the sound-emitting device 100 perpendicular to the vibration direction of the diaphragm 21 is reduced by at least 1.4 mm, the volume of the sound-emitting device 100 is reduced, and the space utilization rate is higher.
  • the base 11 further includes a hot melt column 115 extending from the extending wall 113 toward the rear case 12 and corresponding to the first through hole 320 , each of the hot melt column 115 passing through a
  • the first through hole 320 is used to form a fixed connection between the connecting portion 32 and the extension wall 113.
  • the hot-melt column 115 can be deformed into a specific shape (such as a cap) by hot-melting to achieve better fixed effect. With this fixing method, the reliability is better.
  • the rear shell 12 includes a rear shell plate 121 spaced from the sounding unit 2 , a rear shell extension wall 122 bent and extended from the peripheral edge of the rear shell plate 121 toward the base 11 , and a rear shell extending wall 122 extending from the periphery of the rear shell
  • the shell plate 121 extends away from the raised portion 123 formed in the direction away from the sounding unit 2 , and the rear shell extension wall 122 abuts and is fixed to the auxiliary extension wall 117 .
  • the conductive member 4 connects the sounding unit 2 with external electrical signals, and includes a conductive member body 41 , which extends from the two ends of the conductive body 41 toward the sounding unit 2 and is connected to the sounding unit 2 .
  • the connecting arm 42 for fixed electrical connection, the first extending arm 43 extending from the conductor body 41 to the direction away from the sounding unit 2 and penetrating the housing 1, and the first extending arm 43 being away from the One end of the conductor body 41 is bent and extended along the rear case 12 and a second extension arm 44 is bent and extended from the end of the second extension arm 44 away from the first extension arm 43 and is supported and fixed to the bracket.
  • the fixing arm 45 of the lifting portion 123, the fixing arm 45 is provided with a second through hole 451 therethrough, the lifting portion 123 is provided with a fixing column 1231 extending toward the fixing arm 45, the fixing column 1231 Disposing through the second through hole 451 has better reliability; in addition, the conductive member is arranged in this structure, so that the conductive member 4 occupies less space in the entire sound-emitting device 100 and reduces the volume of the sound-emitting device 100 .
  • the sound-generating device of the present invention further comprises a fixing plate which is at least partially covered on the side of the sound-generating unit away from the vibrating membrane and fixed with the sound-generating unit, and the fixing plate includes a a fixing part for fixing the sounding unit and a connecting part extending from opposite ends of the fixing part and fixed with the extension wall; the fixing plate clamps the sounding unit in the receiving cavity ;
  • the fixing plate is used to realize the fixation with the sounding unit, and the reliability is better, and at the same time, the peripheral side of the sounding unit and the side wall are avoided to be glued and fixed, and the peripheral side of the sounding unit is not glued.
  • the process and the process flow are simpler; the width of the sound-emitting device along the vibration direction perpendicular to the diaphragm is reduced by at least 1.4 mm, the volume of the sound-emitting device is reduced, and the space utilization rate is higher.
  • the present utility model provides an embodiment of the present utility model as described above, which is not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the contents of the specification and accompanying drawings of the present utility model, or Directly or indirectly used in other related technical fields are all included in the scope of patent protection of the present invention.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

本实用新型提供了一种发声器件，其包括壳体以及发声单体，发声单体包括用于振动发声的振膜，壳体包括沿振膜的振动方向分别盖设于发声单体相对两侧的底座和后壳，底座设有贯穿其上的发声口，发声单体设有振膜的一侧朝向发声口，底座包括设有发声口的底座板、由底座板的周缘向靠近后壳方向弯折延伸的侧壁以及由侧壁远离底座板的一侧弯折延伸的延伸壁；底座板和侧壁共同围成收容腔，发声单体收容于收容腔；发声器件还包括至少部分盖设于发声单体远离振膜的一侧并与发声单体固定的固定板，固定板包括与发声单体固定的固定部以及由固定部的相对两端延伸形成且与延伸壁固定的连接部。与相关技术相比，本实用新型的发声器件可靠性更好。

Description

发声器件 技术领域
本实用新型涉及声电领域，尤其涉及一种发声器件。
 背景技术
随着互联网时代的到来，移动终端设备的数量不断上升。而在移动设备中，手机无疑是最常见且最便携的移动终端设备。用于播放音乐等声音的发声器件被大量的运用到手机等移动终端设备中，而发声器件中的振动系统尤为重要，整个发声器件通过所述振动系统振动发声。
相关技术发声器件，其包括具有收容空间的壳体以及收容于所述收容空间的发声单体，所述发声单体包括用于振动发声的振膜，所述壳体包括沿所述振膜的振动方向分别盖设于所述发声单体相对两侧的底座和后壳，所述底座设有贯穿其上的发声口，所述发声单体设有所述振膜的一侧朝向所述发声口，所述底座包括设有所述发声口的底座板、由所述底座板的周缘向靠近所述后壳方向弯折延伸的侧壁以及由所述侧壁远离所述底座板的一侧弯折延伸的延伸壁；所述底座板和所述侧壁共同围成收容腔，所述发声单体收容于所述收容腔，所述侧壁靠近所述发声单体的一面由所述底座板向所述延伸壁方向倾斜延伸以方便点胶，所述发声单体的周侧与所述侧壁胶合固定。
然而，由于所述发声单体的周侧与所述侧壁需要点胶，所述侧壁靠近所述发声单体的一面由所述底座板向所述延伸壁方向倾斜延伸，使得所述发声器件的沿垂直于所述振膜振动方向的宽度较大，单边宽度至少增加0.7mm。
因此，有必要提供一种新的发声器件解决上述问题。
 技术问题
本实用新型的目的在于提供一种可靠性更好的发声器件。
 技术解决方案
为达到上述目的，本实用新型提供一种发声器件，其包括具有收容空间的壳体以及收容于所述收容空间的发声单体，所述发声单体包括用于振动发声的振膜，所述壳体包括沿所述振膜的振动方向分别盖设于所述发声单体相对两侧的底座和后壳，所述底座设有贯穿其上的发声口，所述发声单体设有所述振膜的一侧朝向所述发声口，
所述底座包括设有所述发声口的底座板、由所述底座板的周缘向靠近所述后壳方向弯折延伸的侧壁以及由所述侧壁远离所述底座板的一侧向外弯折延伸的延伸壁；所述底座板和所述侧壁共同围成收容腔，所述发声单体收容于所述收容腔并支撑于所述底座板；
所述发声器件还包括至少部分盖设于所述发声单体远离所述振膜的一侧并与所述发声单体固定的固定板，所述固定板包括与所述发声单体固定的固定部以及由所述固定部的相对两端延伸形成且与所述延伸壁固定的连接部，所述固定板将所述发声单体卡设于所述收容腔内。
优选的，每一所述连接部包括贯穿其上的第一通孔，所述底座还包括由所述延伸壁向靠近所述后壳方向延伸且与所述第一通孔对应的热熔柱，每一所述热熔柱贯穿一所述第一通孔以使所述连接部与所述延伸壁形成固定连接。
优选的，所述底座还包括对应所述连接部设置的定位部，所述定位部包括固定于所述延伸壁远离所述底座板一侧的定位底壁以及由所述定位底壁向靠近所述后壳弯折延伸的定位侧壁，所述连接部固定于所述定位底壁且抵接于所述定位侧壁。
优选的，所述定位侧壁靠近所述连接部的一侧由所述定位底壁向远离连接部方向倾斜延伸。
优选的，所述连接部与所述延伸壁胶合固定。
优选的，所述固定板由钢片制成。
优选的，所述固定板与所述发声单体通过激光点焊实现固定。
优选的，所述底座还包括由所述延伸壁远离所述侧壁的一侧向靠近所述后壳方向弯折延伸的副延伸壁，所述后壳包括与所述发声单体间隔的后壳板以及由所述后壳板的周缘向靠近所述底座方向弯折延伸的后壳延伸壁，所述后壳延伸壁抵接固定于所述副延伸壁。
优选的，所述后壳还包括由所述后壳板向远离所述发声单体方向延伸形成的托起部，所述发声器件还包括将所述发声单体与外界电信号连接的导电件，所述导电件包括导电件本体、由所述导电体本体的两端向所述发声单体方向延伸并与所述发声单体固定电连接的连接臂、由所述导电件本体向远离所述发声单体方向延伸并贯穿所述壳体的第一延伸臂、由所述第一延伸臂远离所述导电件本体的一端沿所述后壳弯折延伸的第二延伸臂以及由所述第二延伸臂远离所述第一延伸臂的一端弯折延伸并支撑固定于所述托起部的固定臂，所述固定臂设有贯穿其上的第二通孔，所述托起部设有向所述固定臂延伸的固定柱，所述固定柱贯穿所述第二通孔设置。
 有益效果
与相关技术相比，本实用新型的发声器件还包括至少部分盖设于所述发声单体远离所述振膜的一侧并与所述发声单体固定的固定板，所述固定板包括与所述发声单体固定的固定部以及由所述固定部的相对两端延伸形成且与所述延伸壁固定的连接部，所述固定板将所述发声单体卡设于所述收容腔内；采用此种结构，利用固定板与所述发声单体实现固定，可靠性更好，同时避免所述发声单体的周侧与所述侧壁胶合固定，省去发声单体周侧打胶工序，工艺流程更简单；所述发声器件的沿垂直于所述振膜振动方向的宽度减小，减小至少1.4mm，发声器件的体积减小，空间利用率更高。
附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要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实用新型的一些实施例，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为本实用新型发声器件的立体结构示意图；
图2为图1中沿A-A的剖视图；
图3为本实用新型底座、发声单体及导电件的装配示意图；
图4为本实用新型发声器件另一方向的立体结构示意图。
 本发明的实施方式
下面将结合本实用新型实施例中的附图，对本实用新型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实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，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，都属于本实用新型保护的范围。
请参考图1-4所示，本实用新型提供一种发声器件100，该发声器件100包括具有收容空间10的壳体1、收容于所述收容空间10的发声单体2、固定板3以及导电件4，所述发声单体2包括用于振动发声的振膜21，所述壳体1包括沿所述振膜21的振动方向分别盖设于所述发声单体2相对两侧的底座11和后壳12。所述底座11设有贯穿其上的发声口110，所述发声单体2设有所述振膜21的一侧朝向所述发声口110。
具体的，所述底座11包括设有所述发声口110的底座板111、由所述底座板111的周缘向靠近所述后壳12方向弯折延伸的侧壁112、由所述侧壁112远离所述底座板111的一侧向外弯折延伸的延伸壁113、由所述延伸壁113远离所述侧壁112的一侧向靠近所述后壳12方向弯折延伸的副延伸壁117以及定位部116。所述定位部116包括固定于所述延伸壁113远离所述底座板111一侧的定位底壁1161以及由所述定位底壁1161向靠近所述后壳12弯折延伸的定位侧壁1162。所述底座板111和所述侧壁112共同围成收容腔114，所述发声单体2收容于所述收容腔114并支撑于所述底座板111。
固定板3由钢片制成，其至少部分盖设于所述发声单体2远离所述振膜21的一侧并与所述发声单体2固定。具体的，所述固定板3包括与所述发声单体2固定的固定部31以及由所述固定部31的相对两端延伸形成且与所述延伸壁113固定的连接部32，所述固定板3将所述发声单体2卡设于所述收容腔114内，定位部116对应所述连接部32设置。本实施例中，所述固定部31与所述发声单体2通过激光点焊实现固定，可靠性更好；其横跨所述发声单体2设置，稳定性更好，当然也不限于此。所述连接部32包括两个，每一所述连接部32包括贯穿其上的第一通孔320；优选的，每一连接部32的第一通孔1320包括两个且呈相对设置。所述连接部32固定于所述定位底壁1161且抵接于所述定位侧壁1162。
利用固定板3与所述发声单体2实现固定，可靠性更好，同时避免所述发声单体2的周侧与所述侧壁112胶合固定，省去发声单体2周侧打胶工序，工艺流程更简单；所述发声器件100的沿垂直于所述振膜21振动方向的宽度减小，减小至少1.4mm，发声器件100的体积减小，空间利用率更高。
优选的，所述底座11还包括由所述延伸壁113向靠近所述后壳12方向延伸且与所述第一通孔320对应的热熔柱115，每一所述热熔柱115贯穿一所述第一通孔320以使所述连接部32与所述延伸壁113形成固定连接，进一步的，所述热熔柱115可以通过热熔变形为特定形状(如帽状)以实现更好的固定效果。采用此种固定方式，可靠性更好。当然也可以采用胶合固定，即所述连接部32与所述延伸壁113胶合固定；此时所述定位侧壁1162靠近所述连接部32的一侧由所述定位底壁1161向远离连接部32方向倾斜延伸，此种结构方便打胶。所述后壳12包括与所述发声单体2间隔的后壳板121、由所述后壳板121的周缘向靠近所述底座11方向弯折延伸的后壳延伸壁122以及由所述后壳板121向远离所述发声单体2方向延伸形成的托起部123，所述后壳延伸壁122抵接固定于所述副延伸壁117。
导电件4将所述发声单体2与外界电信号连接，其包括导电件本体41、由所述导电体本体41的两端向所述发声单体2方向延伸并与所述发声单体2固定电连接的连接臂42、由所述导电件本体41向远离所述发声单体2方向延伸并贯穿所述壳体1的第一延伸臂43、由所述第一延伸臂43远离所述导电件本体41的一端沿所述后壳12弯折延伸的第二延伸臂44以及由所述第二延伸臂44远离所述第一延伸臂43的一端弯折延伸并支撑固定于所述托起部123的固定臂45，所述固定臂45设有贯穿其上的第二通孔451，所述托起部123设有向所述固定臂45延伸的固定柱1231，所述固定柱1231贯穿所述第二通孔451设置，其可靠性更好；此外，导电件采用此种结构设置，使得导电件4占据整个发声器件100的空间较小，减小发声器件100的体积。
与相关技术相比，本实用新型的发声器件还包括至少部分盖设于所述发声单体远离所述振膜的一侧并与所述发声单体固定的固定板，所述固定板包括与所述发声单体固定的固定部以及由所述固定部的相对两端延伸形成且与所述延伸壁固定的连接部，所述固定板将所述发声单体卡设于所述收容腔内；采用此种结构，利用固定板与所述发声单体实现固定，可靠性更好，同时避免所述发声单体的周侧与所述侧壁胶合固定，省去发声单体周侧打胶工序，工艺流程更简单；所述发声器件的沿垂直于所述振膜振动方向的宽度减小，减小至少1.4mm，发声器件的体积减小，空间利用率更高。
本实用新型提供一种以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型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，均同理包括在本实用新型的专利保护范围内。

Claims (9)

  1. 一种发声器件，其包括具有收容空间的壳体以及收容于所述收容空间的发声单体，所述发声单体包括用于振动发声的振膜，所述壳体包括沿所述振膜的振动方向分别盖设于所述发声单体相对两侧的底座和后壳，所述底座设有贯穿其上的发声口，所述发声单体设有所述振膜的一侧朝向所述发声口，其特征在于，
    所述底座包括设有所述发声口的底座板、由所述底座板的周缘向靠近所述后壳方向弯折延伸的侧壁以及由所述侧壁远离所述底座板的一侧向外弯折延伸的延伸壁；所述底座板和所述侧壁共同围成收容腔，所述发声单体收容于所述收容腔并支撑于所述底座板；
    所述发声器件还包括至少部分盖设于所述发声单体远离所述振膜的一侧并与所述发声单体固定的固定板，所述固定板包括与所述发声单体固定的固定部以及由所述固定部的相对两端延伸形成且与所述延伸壁固定的连接部，所述固定板将所述发声单体卡设于所述收容腔内。
  2. 根据权利要求1中所述的发声器件，其特征在于，每一所述连接部包括贯穿其上的第一通孔，所述底座还包括由所述延伸壁向靠近所述后壳方向延伸且与所述第一通孔对应的热熔柱，每一所述热熔柱贯穿一所述第一通孔以使所述连接部与所述延伸壁形成固定连接。
  3. 根据权利要求1中所述的发声器件，其特征在于，所述底座还包括对应所述连接部设置的定位部，所述定位部包括固定于所述延伸壁远离所述底座板一侧的定位底壁以及由所述定位底壁向靠近所述后壳弯折延伸的定位侧壁，所述连接部固定于所述定位底壁且抵接于所述定位侧壁。
  4. 根据权利要求3中所述的发声器件，其特征在于，所述定位侧壁靠近所述连接部的一侧由所述定位底壁向远离连接部方向倾斜延伸。
  5. 根据权利要求4中所述的发声器件，其特征在于，所述连接部与所述延伸壁胶合固定。
  6. 根据权利要求1中所述的发声器件，其特征在于，所述固定板由钢片制成。
  7. 根据权利要求6中所述的发声器件，其特征在于，所述固定板与所述发声单体通过激光点焊实现固定。
  8. 根据权利要求1中所述的发声器件，其特征在于，所述底座还包括由所述延伸壁远离所述侧壁的一侧向靠近所述后壳方向弯折延伸的副延伸壁，所述后壳包括与所述发声单体间隔的后壳板以及由所述后壳板的周缘向靠近所述底座方向弯折延伸的后壳延伸壁，所述后壳延伸壁抵接固定于所述副延伸壁。
  9. 根据权利要求8中所述的发声器件，其特征在于，所述后壳还包括由所述后壳板向远离所述发声单体方向延伸形成的托起部，所述发声器件还包括将所述发声单体与外界电信号连接的导电件，所述导电件包括导电件本体、由所述导电体本体的两端向所述发声单体方向延伸并与所述发声单体固定电连接的连接臂、由所述导电件本体向远离所述发声单体方向延伸并贯穿所述壳体的第一延伸臂、由所述第一延伸臂远离所述导电件本体的一端沿所述后壳弯折延伸的第二延伸臂以及由所述第二延伸臂远离所述第一延伸臂的一端弯折延伸并支撑固定于所述托起部的固定臂，所述固定臂设有贯穿其上的第二通孔，所述托起部设有向所述固定臂延伸的固定柱，所述固定柱贯穿所述第二通孔设置。
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