WO2022110313A1 - 一种扬声器箱及移动终端 - Google Patents

一种扬声器箱及移动终端 Download PDF

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Publication number
WO2022110313A1
WO2022110313A1 PCT/CN2020/135189 CN2020135189W WO2022110313A1 WO 2022110313 A1 WO2022110313 A1 WO 2022110313A1 CN 2020135189 W CN2020135189 W CN 2020135189W WO 2022110313 A1 WO2022110313 A1 WO 2022110313A1
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WO
WIPO (PCT)
Prior art keywords
speaker box
hot
top plate
sound
casing
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PCT/CN2020/135189
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English (en)
French (fr)
Inventor
肖目舒
吴树文
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 WO2022110313A1 publication Critical patent/WO2022110313A1/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/023—Screens for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Definitions

  • the utility model relates to the technical field of mobile electronic products, in particular to a speaker box and a mobile terminal.
  • the purpose of the present invention is to solve the deficiencies in the prior art at least to a certain extent, and to provide a speaker box and a mobile terminal.
  • a speaker box provided by the present invention is applied to a mobile terminal.
  • the mobile terminal has a casing for accommodating the speaker box.
  • the casing includes a bottom shell, and a metal top plate covered on the bottom shell and enclosing the receiving space with the bottom shell.
  • the bottom shell includes a bottom wall opposite to the metal top plate and arranged at intervals; A side wall is bent and extended from the periphery of the bottom wall toward the metal top plate.
  • the metal top plate includes a main body covering an end of the side wall away from the bottom wall and a connecting piece extending outward from the main body.
  • a positioning part is formed through the connecting piece, the shell extends toward the connecting piece to form a hot-melt column that supports and fixes the connecting piece, the hot-melting column is matched with the positioning part and passes through correspondingly In the positioning part, the connecting piece is fixed with the casing after being hot-melted by the hot-melt column.
  • the positioning portion is a through hole passing through the connector.
  • the housing is formed with a positioning block corresponding to the connecting piece, the positioning block is provided with a positioning groove for accommodating the connecting piece, and the hot-melt column is formed in the positioning groove.
  • the connector includes a bent portion connected to the main body and bent obliquely toward the bottom wall, and a side of the bent portion away from the main body that protrudes outward and is connected to the bottom wall.
  • the main body is parallel to the connecting part, and the positioning part is formed on the connecting part.
  • the speaker box further includes a fixing bracket
  • the fixing bracket includes a ring-shaped frame body accommodated in the accommodation space for fixing the speaker unit, and a ring-shaped frame body protruding and extending from one side of the ring-shaped frame body. Due to the sound-guiding structure of the side wall, the annular frame, the diaphragm and the metal top plate together form the front sound cavity, and a sound-guiding structure is formed in the sound-guiding structure that communicates with the sound cavity.
  • a sound guide through hole the sound guide structure is provided with the sound outlet hole at one end away from the annular frame body, and the sound outlet hole communicates with the front sound cavity through the sound guide through hole.
  • the annular frame body includes an annular body and a stopper portion protruding toward the center of the annular body from an end of the inner side of the annular body that is close to the metal top plate, and the annular body and the stopper portion are matched A step for limiting the speaker unit is formed.
  • a side of the stopper part away from the annular body forms an inclined surface facing the diaphragm.
  • an edge of the side wall close to the metal top plate is provided with an installation notch adapted to the sound guide structure.
  • the sound guide structure is further provided with a dustproof net that completely covers the sound outlet hole.
  • one end of the sound guide structure away from the annular frame body is provided with a groove for installing and fixing the dustproof net.
  • the utility model also provides a mobile terminal, which is characterized in that it comprises a casing with an accommodating cavity and the above-mentioned speaker box accommodated in the accommodating cavity, a hot-melt column is formed on the casing, and the loudspeaker The box is positioned by matching with the hot-melt column through the positioning part, and is fixed to the casing after being hot-melted by the hot-melt column.
  • the positioning part on the connector can cooperate with the hot-melt column on the shell to achieve rapid positioning, and then the connector and the shell can be fastened by hot-melting the hot-melt column. , so that a stable connection is achieved between the speaker box and the mobile terminal, and the installation is fast and firm.
  • FIG. 1 is a schematic three-dimensional structural diagram of a mobile terminal according to an embodiment of the present invention.
  • Fig. 2 is the sectional view of A-A direction in Fig. 1;
  • Fig. 3 is the three-dimensional structure schematic diagram of the speaker box shown in Fig. 1;
  • FIG. 4 is a schematic diagram of the explosion structure of FIG. 3 .
  • connection In the present utility model, unless otherwise expressly specified and limited, the terms “installation”, “connection”, “connection”, “fixed” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements.
  • connection connection
  • connection fixed
  • other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements.
  • the mobile terminal includes a housing 200 having an accommodating cavity and a speaker box 100 accommodated in the accommodating cavity.
  • the speaker box 100 is used for vibrating and producing sound, and correspondingly realizes functions such as playing music or voice information on the mobile terminal. It includes a housing 10 with a housing space 13 and a speaker unit 20 housed in the housing space 13 and having a diaphragm 21 , a front sound cavity 15 is formed between the housing 10 and the speaker unit 20 , The casing 10 is provided with a sound outlet 322 that communicates with the front sound cavity 15 .
  • the casing 10 includes a bottom case 12 and a metal top plate 11 covering the bottom case 12 and enclosing a receiving space 13 with the bottom case 12 .
  • the bottom case 12 includes a bottom wall 121 opposite to the metal top plate 11 and spaced apart from the bottom wall. 121 is a side wall 122 whose peripheral edge is bent and extended in the direction of the metal top plate 11.
  • the metal top plate 11 includes a main body 111 covering an end of the side wall 122 away from the bottom wall 121 and a connecting piece 14 extending outward from the main body 111.
  • the connecting piece 14 passes through A positioning portion is provided.
  • the positioning portion is a through hole 143 passing through the connector.
  • the positioning portion can also adopt a bayonet structure.
  • a hot-melt column 203 matching the through hole 143 is formed on the mobile terminal casing 200 at a position corresponding to the through hole 143 .
  • the through hole 143 on the connector 14 can be used to It cooperates with the hot-melt post 203 on the housing 200 to achieve rapid positioning, that is, the hot-melt post 203 passes through the through hole 143 correspondingly, and then the connector 14 and the housing 200 are fastened by hot-melting the hot-melt post 203, so that the A stable connection is achieved between the speaker box 100 and the mobile terminal, and the installation is quick and firm.
  • a positioning block 201 may be protruded on the housing 200 , and the positioning block 201 is provided with a positioning groove 202 for accommodating the connector 14 .
  • the positioning groove 202 and the connecting piece 14 it is more convenient to set on the hot-melt column 203, and the assembly is more convenient.
  • the number of the connecting pieces 14 on the main body 111 in this embodiment is two, which are formed on adjacent two sides or opposite sides of the main body 111 , of course, in other embodiments, the number of the connecting pieces 14 formed on the main body 111 There may be more, which is not particularly limited in the present invention.
  • the connecting member 14 includes a bending portion 141 connected to the main body 111 and bent obliquely toward the bottom wall 121 , and a bending portion 141 away from the main body 111 .
  • One side of the connecting portion 142 protrudes outward and is parallel to the main body 111 , and a through hole 143 is formed on the connecting portion 142 . That is to say, the height of the top surface of the positioning block 201 can be lower than the height of the metal top plate 11 . In this way, after the speaker box 100 and the casing 200 are fixed by the hot-melt column 203 , they will not move due to the setting of the positioning block 201 . The thickness of the terminal increases.
  • the main body 111 of the metal top plate 11 and the connecting piece 14 are integrally formed, which can be formed by punching sheet metal and then bending.
  • the processing method is simple and efficient; and the speaker box 100 is fixed to the casing of the mobile terminal. 200, the bottom shell 12 is pressed and fixed by the metal top plate 11, the connection structure between the metal top plate 11 and the bottom shell 12 is omitted, and the front sound cavity 15 formed inside is better sealed, thereby improving the vibration.
  • the sound quality produced by the membrane 21 is very fineness of the membrane 21.
  • the speaker box 100 further includes a fixing bracket 30
  • the fixing bracket 30 includes an annular ring received in the receiving space 13 for fixing the speaker unit 20 .
  • the frame body 31 and the sound guide structure 32 protruding from one side of the annular frame body 31 and protruding from the side wall 122, the annular frame body 31, the diaphragm 21 and the metal top plate 11 together enclose the front sound cavity 15, and the sound guide structure
  • a sound guide through hole 321 is formed in the 32 and communicated with the front sound cavity 15.
  • the end of the sound guide structure 32 away from the annular frame body 31 is provided with a sound outlet hole 322.
  • the sound outlet hole 322 passes through the sound guide through hole 321 to communicate with the front sound cavity 15 is connected; the diaphragm 21 of the speaker unit 20 vibrates the air in the front sound cavity 15 to generate sound, and the sound is sequentially transmitted to the mobile terminal through the sound guiding through hole 321, the sound outlet hole 322 and the corresponding sound hole on the housing 200 external.
  • the annular frame body 31 includes an annular body 311 and a stopper 312 protruding from the inner end of the annular body 311 close to the metal top plate 11 toward the center of the annular body 311 .
  • the annular body 311 and the stopper 312 cooperate to form a limit speaker Step 314 of cell 20 .
  • an edge of the side wall 122 close to the metal top plate 11 defines an installation notch 123 adapted to the sound guide structure 32 .
  • the speaker unit 20 is first placed in the bottom case 12, and then the annular frame body 31 is covered on the speaker unit 20, so that the stopper is pressed against the surface of the speaker unit 20, that is, The peripheral edge of the upper end of the speaker unit 20 is just clamped in the step 314 of the annular frame body 31, and then the metal top plate 11 is covered on the fixing bracket 30, and is fixed by the hot-melt column 203, so that the bottom case 12,
  • the speaker unit 20 , the fixing bracket 30 and the metal top plate 11 form a relatively fixed whole, and are fixed to the casing 200 of the mobile terminal.
  • the side of the stopper portion 312 away from the annular body 311 is formed with an inclined surface 314 facing the diaphragm 21 , so that the sound rebound effect of the inclined surface 314 on the diaphragm 21 can improve the sound generated by the speaker unit 20 . volume.
  • the sound guide structure 32 is further provided with a dustproof net 33 that completely covers the sound outlet hole 322 .
  • the end of the sound guide structure 32 away from the annular frame body 31 is provided with a groove 323 for installing and fixing the dustproof net 33 , and the dustproof net 33 can be fixed in the groove 323 by adhesive bonding.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

本实用新型公开一种扬声器箱及移动终端，扬声器箱应用于移动终端，移动终端具有收容扬声器箱的外壳，扬声器箱包括具有收容空间的壳体以及收容于收容空间内的扬声器单体；壳体包括底壳、以及盖设于底壳并与底壳围成收容空间的金属顶板，金属顶板包括盖设于侧壁远离底壁一端的主体以及自主体向外延伸的连接件，连接件上贯穿开设有定位部，外壳朝连接件延伸形成有支撑并固定连接件的热熔柱，连接件通过热熔柱热熔后与外壳固定。本实施例的扬声器箱与外壳进行装配时，通过连接件上的定位部可以与外壳上的热熔柱配合实现快速定位，然后通过对热熔柱热熔的方式实现连接件与外壳的紧固，从而使扬声器箱与移动终端之间实现稳定的连接，且安装快捷牢固。

Description

一种扬声器箱及移动终端 技术领域
本实用新型涉及移动电子产品技术领域，特别涉及一种扬声器箱及移动终端。
 背景技术
随着移动电子产品的快速发展，人们对移动终端的功能性要求越来越高，特别是移动终端中的扬声器，现有技术的扬声器箱中由于存在一类扬声器采用金属壳体，由于其结构限制，在移动终端中缺乏有效定位及紧固方式，长时间使用后扬声器箱容易产生松动，从而造成对扬声器的音质造成影响，无法稳定可靠的输出高质量音质。
 技术问题
本实用新型的目的在于至少一定程度上解决现有技术中的不足，提供一种扬声器箱及移动终端。
 技术解决方案
为实现上述目的，本实用新型提供的一种扬声器箱，应用于移动终端，所述移动终端具有收容所述扬声器箱的外壳，所述扬声器箱包括具有收容空间的壳体以及收容于所述收容空间内并具有振膜的扬声器单体，所述壳体与所述扬声器单体之间形成有前音腔，所述壳体开设有与所述前音腔连通的出音孔；
所述壳体包括底壳、以及盖设于所述底壳并与所述底壳围成所述收容空间的金属顶板，所述底壳包括与所述金属顶板相对且间隔设置的底壁以及自所述底壁周缘朝所述金属顶板方向弯折延伸的侧壁，所述金属顶板包括盖设于所述侧壁远离所述底壁一端的主体以及自所述主体向外延伸的连接件，所述连接件上贯穿开设有定位部，所述外壳朝所述连接件延伸形成有支撑并固定所述连接件的热熔柱，所述热熔柱与所述定位部匹配并对应穿过所述定位部，所述连接件通过所述热熔柱热熔后与所述外壳固定。
优选地，所述定位部为贯穿所述连接件的通孔。
优选地，所述外壳对应所述连接件形成有定位块，所述定位块上开设有用于容纳所述连接件的定位槽，所述热熔柱形成于所述定位槽内。
优选地，所述连接件包括与所述主体连接并朝所述底壁方向倾斜弯折的弯折部、以及自所述弯折部远离所述主体的一侧向外凸出延伸并与所述主体平行的连接部，所述定位部形成于所述连接部上。
优选地，所述扬声器箱还包括固定支架，所述固定支架包括收容于所述收容空间内用于固定所述扬声器单体的环形框体以及自所述环形框体一侧凸出延伸并伸出于所述侧壁的导音结构，所述环形框体与所述振膜及所述金属顶板共同围成所述前音腔，所述导音结构内形成有与所述音腔连通的导音通孔，所述导音结构远离所述环形框体的一端开设有所述出音孔，所述出音孔通过所述导音通孔与所述前音腔连通。
优选地，所述环形框体包括环形本体以及由所述环形本体内侧靠近所述金属顶板的一端向所述环形本体中心方向凸伸的止挡部，所述环形本体和所述止挡部配合形成限位所述扬声器单体的台阶。
优选地，所述止挡部远离所述环形本体的一侧形成朝向所述振膜的斜面。
优选地，所述侧壁靠近所述金属顶板的边缘开设有一与所述导音结构适配的安装缺口。
优选地，所述导音结构还设有完全覆盖所述出音孔的防尘网。
优选地，所述导音结构远离所述环形框体的一端设有用于安装固定所述防尘网的凹槽。
本实用新型还提供了一种移动终端，其特征在于，包括具有容纳腔体的外壳以及收容于所述容纳腔体内如上所述的扬声器箱，所述外壳上形成有热熔柱，所述扬声器箱通过所述定位部与所述热熔柱配合实现定位，并通过所述热熔柱热熔后与所述外壳固定。
 有益效果
本实施例的扬声器箱与外壳进行装配时，通过连接件上的定位部可以与外壳上的热熔柱配合实现快速定位，然后通过对热熔柱热熔的方式实现连接件与外壳的紧固，从而使扬声器箱与移动终端之间实现稳定的连接，且安装快捷牢固。
 附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术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示出的结构获得其他的附图。
图1为本实用新型实施例提供的移动终端的立体结构示意图；
图2为图1中A-A方向的剖视图；
图3为图1所示扬声器箱的立体结构示意图；
图4为图3的爆炸结构示意图。
本实用新型目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
 本发明的实施方式
下面详细描述本实用新型的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本实用新型，而不能理解为对本实用新型的限制，基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
在本实用新型中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型中的具体含义。
下面参照附图详细描述本实用新型实施例的技术方案。
如图1至图4所示，本实用新型实施例的移动终端，该移动终端包括具有容纳腔体的外壳200以及收容于容纳腔体内的扬声器箱100。
所述扬声器箱100用于振动发声，对应实现所述移动终端播放音乐或语音信息等功能。包括具有收容空间13的壳体10以及收容于所述收容空间13内并具有振膜21的扬声器单体20，所述壳体10与所述扬声器单体20之间形成有前音腔15，所述壳体10开设有与所述前音腔15连通的出音孔322。
壳体10包括底壳12、以及盖设于底壳12并与底壳12围成收容空间13的金属顶板11，底壳12包括与金属顶板11相对且间隔设置的底壁121以及自底壁121周缘朝金属顶板11方向弯折延伸的侧壁122，金属顶板11包括盖设于侧壁122远离底壁121一端的主体111以及自主体111向外延伸的连接件14，连接件14上贯穿开设有定位部，在本实施例中，定位部为贯穿连接件的通孔143，当然，在其他实施例中，定位部也可以采用卡口的结构。
移动终端外壳200上对应所述通孔143的位置形成有与通孔143匹配的热熔柱203，本实施例的扬声器箱100与外壳200进行装配时，通过连接件14上的通孔143可以与外壳200上的热熔柱203配合实现快速定位，即热熔柱203对应穿过通孔143，然后通过对热熔柱203热熔的方式实现连接件14与外壳200的紧固，从而使扬声器箱100与移动终端之间实现稳定的连接，且安装快捷牢固。
具体地，外壳200上可凸起设置有定位块201，定位块201开设有用于容纳连接件14的定位槽202，定位槽202中形成有穿设于通孔143中的热熔柱203，从而通过定位槽202与连接件14的配合使通过更加方便的套设在热熔柱203上，装配更加方便。
较佳地，本实施例主体111上连接件14的数量为两个，形成于主体111的相邻两侧或相对两侧，当然，在其他实施例中，主体111所形成连接件14的数量可以更多，本实用新型对此不进行特别限制。
为避免扬声器箱100装设于移动终端之后造成移动终端的厚度增加，连接件14包括与主体111连接并朝底壁121方向倾斜弯折的弯折部141、以及自弯折部141远离主体111的一侧向外凸出延伸并与主体111平行的连接部142，通孔143形成于连接部142上。也就是说，定位块201的顶面高度可低于金属顶板11的高度，如此，当扬声器箱100与外壳200通过热熔柱203热熔固定后，不会因定位块201的设置而造成移动终端的厚度增加。
需要说明的是，金属顶板11的主体111和连接件14为一体成型结构，可以通过钣金冲裁后再进行弯折加工形成，加工方式简单高效；而且在扬声器箱100固定于移动终端的外壳200上时，通过金属顶板11将底壳12压紧固定，省去了金属顶板11与底壳12之间的连接结构，使其内部所形成的前音腔15密闭更好，从而提高了振膜21所产生的声音质量。
在一个实施例中，为提高扬声器单体20与壳体10之间的稳定性，扬声器箱100还包括固定支架30，固定支架30包括收容于收容空间13内用于固定扬声器单体20的环形框体31以及自环形框体31一侧凸出延伸并伸出于侧壁122的导音结构32，环形框体31与振膜21及金属顶板11共同围成前音腔15，导音结构32内形成有与前音腔15连通的导音通孔321，导音结构32远离环形框体31的一端开设有出音孔322，出音孔322通过导音通孔321从而与前音腔15连通；扬声器单体20的振膜21振动前音腔15中的空气从而产生声音，该声音依次通过导音通孔321、出音孔322以及外壳200上对应的声孔而传递至移动终端外部。
具体地，环形框体31包括环形本体311以及由环形本体311内侧靠近金属顶板11的一端向环形本体311中心方向凸伸的止挡部312，环形本体311和止挡部312配合形成限位扬声器单体20的台阶314。对应地，侧壁122靠近金属顶板11的边缘开设有一与导音结构32适配的安装缺口123，当环形本体311收容于收容空间13内时，导音结构32恰好位于安装缺口123中。
如此，具体装配时，先将扬声器单体20放置于底壳12内，然后将环形框体31盖设在扬声器单体20上，使止挡部压持于扬声器单体20的表面上，即扬声器单体20上端的周缘恰好卡设于环形框体31的台阶314中，然后再将金属顶板11盖设在固定支架30上，通过热熔柱203热熔固定后，从而使底壳12、扬声器单体20、固定支架30以及金属顶板11形成相对固定的一个整体，并与移动终端的外壳200相互固定。
在本实施例中，止挡部312远离环形本体311的一侧形成朝向振膜21的斜面314，如此通过该斜面314对振膜21所产生的声音反弹作用，可提高扬声器单体20所产生的音量。
在本实施例中，导音结构32还设有完全覆盖出音孔322的防尘网33。具体地，导音结构32远离环形框体31的一端设有用于安装固定防尘网33的凹槽323，防尘网33可通过粘胶粘接固定在该凹槽323内。
以上仅为本实用新型的优选实施例，并非因此限制本实用新型的专利范围，凡是在本实用新型的实用新型构思下，利用本实用新型说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本实用新型的专利保护范围内。

Claims (11)

  1. 一种扬声器箱，应用于移动终端，所述移动终端具有收容所述扬声器箱的外壳，所述扬声器箱包括具有收容空间的壳体以及收容于所述收容空间内并具有振膜的扬声器单体，所述壳体与所述扬声器单体之间形成有前音腔，所述壳体开设有与所述前音腔连通的出音孔；
    其特征在于，所述壳体包括底壳、以及盖设于所述底壳并与所述底壳围成所述收容空间的金属顶板，所述底壳包括与所述金属顶板相对且间隔设置的底壁以及自所述底壁周缘朝所述金属顶板方向弯折延伸的侧壁，所述金属顶板包括盖设于所述侧壁远离所述底壁一端的主体以及自所述主体向外延伸的连接件，所述连接件上贯穿开设有定位部，所述外壳朝所述连接件延伸形成有支撑并固定所述连接件的热熔柱，所述热熔柱与所述定位部匹配并对应穿过所述定位部，所述连接件通过所述热熔柱热熔后与所述外壳固定。
  2. 如权利要求1所述的扬声器箱，其特征在于，所述定位部为贯穿所述连接件的通孔。
  3. 如权利要求1所述的扬声器箱，其特征在于，所述外壳对应所述连接件形成有定位块，所述定位块上开设有用于容纳所述连接件的定位槽，所述热熔柱形成于所述定位槽内。
  4. 如权利要求3所述的扬声器箱，其特征在于，所述连接件包括与所述主体连接并朝所述底壁方向倾斜弯折的弯折部、以及自所述弯折部远离所述主体的一侧向外凸出延伸并与所述主体平行的连接部，所述定位部形成于所述连接部上。
  5. 如权利要求1所述的扬声器箱，其特征在于，所述扬声器箱还包括固定支架，所述固定支架包括收容于所述收容空间内用于固定所述扬声器单体的环形框体以及自所述环形框体一侧凸出延伸并伸出于所述侧壁的导音结构，所述环形框体与所述振膜及所述金属顶板共同围成所述前音腔，所述导音结构内形成有与所述前音腔连通的导音通孔，所述导音结构远离所述环形框体的一端开设有所述出音孔，所述出音孔通过所述导音通孔与所述前音腔连通。
  6. 如权利要求5所述的扬声器箱，其特征在于，所述环形框体包括环形本体以及由所述环形本体内侧靠近所述金属顶板的一端向所述环形本体中心方向凸伸的止挡部，所述环形本体和所述止挡部配合形成限位所述扬声器单体的台阶。
  7. 如权利要求6所述的扬声器箱，其特征在于，所述止挡部远离所述环形本体的一侧形成朝向所述振膜的斜面。
  8. 如权利要求5所述的扬声器箱，其特征在于，所述侧壁靠近所述金属顶板的边缘开设有一与所述导音结构适配的安装缺口。
  9. 如权利要求5所述的扬声器箱，其特征在于，所述导音结构还设有完全覆盖所述出音孔的防尘网。
  10. 如权利要求9所述的扬声器箱，其特征在于，所述导音结构远离所述环形框体的一端设有用于安装固定所述防尘网的凹槽。
  11. 一种移动终端，其特征在于，包括具有容纳腔体的外壳以及收容于所述容纳腔体内如权利要求1-10任一所述的扬声器箱，所述外壳上形成有热熔柱，所述扬声器箱通过所述定位部与所述热熔柱配合实现定位，并通过所述热熔柱热熔后与所述外壳固定。
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