WO2014110732A1 - 一种音箱 - Google Patents

一种音箱 Download PDF

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Publication number
WO2014110732A1
WO2014110732A1 PCT/CN2013/070539 CN2013070539W WO2014110732A1 WO 2014110732 A1 WO2014110732 A1 WO 2014110732A1 CN 2013070539 W CN2013070539 W CN 2013070539W WO 2014110732 A1 WO2014110732 A1 WO 2014110732A1
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WO
WIPO (PCT)
Prior art keywords
hole
speaker
shell
upper shell
opening
Prior art date
Application number
PCT/CN2013/070539
Other languages
English (en)
French (fr)
Inventor
刘骏涛
Original Assignee
Liu Juntao
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 Liu Juntao filed Critical Liu Juntao
Publication of WO2014110732A1 publication Critical patent/WO2014110732A1/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
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer

Definitions

  • the present invention relates to the field of household appliances, and more particularly to a speaker. ⁇ Background technique ⁇
  • the casing is provided with an opening for sounding and cooperating with the slap, and the speaker further comprises a louver cover for closing the opening.
  • the pin cover is provided with a pin shaft, and the speaker cover is fixed at one end of the housing through the pin shaft, and the speaker cover can be rotated through the pin shaft, thereby facilitating opening of the speaker cover and closing the opening, thereby realizing the hidden arrangement of the speaker on the speaker, and using
  • you open the bar you can close the bar by not closing the bar, so you can avoid falling into dust or other debris.
  • This program is not public.
  • the housing is integrally provided so that the circuit board or other components in the rear case are damaged, the housing is not easily opened, and it is difficult to inspect or repair the internal components of the speaker.
  • the technical problem to be solved by the present invention is to provide a speaker that facilitates inspection or maintenance of the components within the housing.
  • a speaker comprising a housing, a speaker, an opening for sound emission provided on the housing, and a speaker cover for closing the opening
  • the housing The upper case and the lower case are detachably fixed, and the horn is fixed between the upper case and the lower case, and the upper case is provided with a through hole for communicating with the horn.
  • the horn cover closes the opening of the through hole.
  • the upper casing is provided with a plurality of screw holes
  • the corresponding lower casing is provided with a screw hole column matched with the upper casing screw hole, and the upper casing and the lower casing are fixed by screws.
  • the lower case of the upper case is easily fixed by screw fixing, and the screw fixing effect is good.
  • the upper surface of the upper shell is provided with a recess along the screw hole, and the recess is matched for fixing Screw settings for the speaker housing.
  • the screw can be placed in the recess to prevent the screw from protruding outside the housing and affecting the opening of the speaker cover to close the through hole.
  • the number of the screw holes is four.
  • the number of corresponding screw holes is also four, and the front and rear ends are two, which makes the fixing effect better.
  • the upper end of the lower case is large and the lower end is small. This is a specific structure of the lower case, which saves material.
  • the outer edge of the bottom edge of the upper casing is provided with a downward convex edge
  • the corresponding outer surface of the upper edge of the lower casing is provided with a concave opening corresponding to the convex edge, and the convex edge is placed at the concave opening .
  • the inner surface of the bottom edge of the upper casing is provided with a downward convex edge
  • the inner surface of the upper edge of the corresponding lower casing is provided with a concave opening engaged with the convex edge, and the convex edge is placed at the concave opening .
  • the upper case has an extending portion extending downward along the through hole, and a through hole in the extending portion is suitable for the through hole. Since the horn is fixed between the upper case and the lower case, the horn is disposed at the through hole to pass the sound from the through hole, and the upper case is provided with the downward extending portion, so that the cavity formed between the upper case and the lower case is increased Large, which is conducive to the speaker's sound.
  • the through holes in the extension gradually decrease from top to bottom.
  • the extension portion is provided, and the sound generated by the horn is gradually propagated outward through the extension portion, so that the sound propagation range is increased by the extension portion, which is advantageous for the sound propagation.
  • the through hole has a circular structure, and the through hole inside the extending portion has a truncated cone structure. This setting makes the sound that is transmitted out even.
  • two housings are arranged on the speaker, the upper shell and the lower shell, and the horn is fixed between the upper shell and the lower shell, and the upper shell is provided with a through hole for communicating with the horn, thereby
  • the horn is disposed at the through hole and emits sound from the through hole, and the horn cover closes the opening of the through hole, thereby realizing the horn when not in use
  • the cover closes the opening of the through hole, and the speaker cover can be opened when in use; and the upper case and the lower case are detachably fixed, thereby facilitating opening of the upper case and the lower case, thereby facilitating inspection or maintenance of the device in the case.
  • FIG. 1 is a schematic structural view of an upper case according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a lower case according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a louver cover according to an embodiment of the present invention.
  • the invention discloses a sound box, comprising a casing, a horn, an opening for sound emission disposed on the casing, and a horn cover for closing the opening.
  • the casing includes The upper case and the lower case are detachably fixed, and the horn is fixed between the upper case and the lower case, and the upper case is provided with a through hole 11 for communicating with the slap.
  • the louver cover 3 closes the opening of the through hole 11.
  • the present invention is provided with two housings on the speaker, the upper shell and the lower shell, and the horn is fixed between the upper shell and the lower shell, and the upper shell is provided with a through hole 11 for communicating with the horn. Therefore, the louver is disposed at the through hole 11 and is sounded from the through hole 11.
  • the horn cover 3 closes the opening of the through hole 11, so that the horn cover 3 closes the opening when not in use, and the horn cover 3 can be opened when in use;
  • the upper and lower casings are detachably fixed, thereby facilitating opening of the upper and lower casings, thereby facilitating inspection or maintenance of the components in the casing.
  • FIG. 1 is a schematic structural view of the upper case of the speaker, wherein FIG. 1( a ) is a top view of the upper case, and FIG. 1 ( b ) is a structural view of another view of the upper case, and FIG. 2 shows Schematic diagram of the lower casing of the speaker, and FIG. 3 shows a schematic structural view of the speaker cover 3.
  • the speaker cover 3 fixes one end of the upper casing to the rear end, and the specific speaker cover 3 is fixed to the rear end of the upper casing through the pin shaft.
  • the pin is disposed at the rear end of the speaker cover 3 and protrudes outside the speaker cover 3, and the speaker cover 3 is disposed with the opening of the through hole 11, so that To open the speaker cover when using the speaker, close the speaker cover when not in use to prevent dust or other debris from falling into the through hole.
  • the upper shell is provided with a plurality of screw holes 12, and the corresponding lower shell is provided with a screw hole column that cooperates with the upper shell screw hole 12, and the upper shell and the lower shell pass the screw Fixed; the lower shell of the upper shell is easily disassembled by screw fixing, thereby facilitating the opening of the upper shell and the lower shell, thereby facilitating inspection or maintenance of the components in the housing; and the screw fixing effect is good.
  • the number of the screw holes 12 is four, the number of corresponding screw holes is four, and the front and rear ends are two, so that the fixing effect is better. Of course, it can be set to other numbers, such as six, etc. are all possible. As shown in FIG.
  • the upper surface of the upper casing is provided with a recess (not shown) along the screw hole, and the recess is matched with a screw for fixing the speaker housing, and the upper shell is arranged.
  • the screw hole 12 is disposed around the through hole 11, the speaker cover 3 closes the periphery of the through hole 11, and closes the screw hole 12 to set the position, so that the screw can be disposed in the recess to prevent the screw from protruding outside the casing and affecting the horn
  • the cover 3 closes the opening of the through hole 11.
  • the upper casing extends downwardly along the through hole with an extending portion 14 .
  • the through hole in the extending portion 14 is suitable for the through hole 11 , and the horn is fixed between the upper shell and the lower shell.
  • the louver is disposed at the through hole 11 and passes through the through hole 11, and the upper case is provided with the downward extending portion 14, so that the cavity formed between the upper case and the lower case is enlarged, thereby facilitating the speaker out Sound, boost volume and improve sound quality.
  • the through hole in the extending portion 14 is gradually reduced from the top to the bottom, so that the extending portion 14 is disposed, and the sound generated by the horn is gradually propagated outward through the extending portion 14, so that the sound propagation range is increased by the extending portion 14.
  • the through hole 11 has a circular structure, and the through hole in the extending portion 14 has a truncated cone structure, so that the sound propagated out is uniform.
  • this embodiment is not limited to setting the through hole to a circular shape, and may be set to a square shape or the like.
  • the horn is fixed to the bottom of the extending portion by glue bonding, the horn is disposed at the bottom opening of the extending portion, and the lower end of the horn is a lower case, so that the horn is fixed between the upper case and the lower case.
  • the upper end of the lower case is large and the lower end is small, which is a specific structure of the lower case, and the arrangement can save materials. It is also possible to set the upper casing to other structures, which are as large as the upper and lower sides, or the upper end is large and the lower end is small, and all are possible.
  • the outer surface of the bottom edge of the upper casing is provided with a downward convex edge 13
  • the outer surface of the upper edge of the corresponding lower casing is provided with a concave opening 21 which cooperates with the convex edge 13.
  • the convex edge 13 is placed at the concave opening 21, and the outer edge of the bottom edge of the upper casing is provided with a downward convex edge 13.
  • the inner surface of the bottom edge of the upper casing forms a platform, and the corresponding inner surface of the upper edge of the lower casing is formed with a convex edge. Therefore, after the upper shell flange and the lower shell concave joint cooperate, the lower shell flange cooperates with the upper shell platform, thereby further fixing the upper shell and the lower shell, and connecting the upper shell and the lower shell. Closed and closed.
  • a downward convex edge may be disposed on an inner surface of the bottom edge of the upper casing, and a corresponding concave inner edge of the upper outer edge of the lower casing is disposed on the inner surface of the lower casing, the convex edge Placed at the concave stop, this setting can achieve the same effect.
  • the circuit board is disposed at a rear end between the upper case and the lower case, and is fixed on the lower case.
  • a lower convex part is disposed at a lower end of the lower end of the lower case, which can be It can be seen that a groove is formed inside the lower case, and a USB interface is arranged at the bump, so that the bump can enhance the strength at the USB interface, make the fixing more firm, and conveniently set the circuit board.
  • an anti-slip mat (not shown) is disposed at the bottom of the lower shell, and the number of the anti-slip mats is two, respectively located at two ends of the lower shell, and the length of the anti-slip mat is suitable for the width of the lower shell portion. Set to prevent the speaker from slipping and damage, and to avoid wear on the bottom of the lower case.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

一种音箱，包括壳体、喇叭、设置在壳体上的用于出音的开口以及用于封闭所述开口的喇叭盖（3），所述壳体包括上壳和下壳，上壳和下壳可拆卸固定，所述喇叭固定在上壳和下壳之间，所述上壳上设置一与喇叭连通配合的用于出音的通孔（11），所述喇叭盖（3）封闭通孔（11）的开口。由于所述音箱上设置两个壳体，分上壳和下壳，将喇叭固定在上壳和下壳之间，上壳上设置一与喇叭连通配合的用于出音的通孔（11），从而喇叭设置在通孔（11）处并从通孔处（11）出音，所述喇叭盖（3）封闭通孔（11）的开口，从而实现不使用时喇叭盖（3）封闭通孔（11）的开口，使用时打开喇叭盖（3）即可；而且上壳和下壳可拆卸固定，从而方便打开上壳和下壳，进而便于对壳体内的器件进行检查或维修。

Description

一种音箱
【技术领域】
本发明涉及家用电器领域， 更具体的说， 涉及一种音箱。 【背景技术】
本人设计了一种音箱， 包括壳体和放置在壳体内的喇八， 壳体上设有一用 于出音且与喇八配合的开口， 音箱还包括用于封闭所述开口的喇八盖， 喇八盖 上设置有销轴， 喇叭盖通过销轴固定在壳体的一端， 喇叭盖通过销轴可进行旋 转， 从而方便打开喇叭盖以及封闭开口， 进而实现音箱上的喇叭隐藏式设置， 使用时打开喇八盖即可， 不使用时关闭喇八盖， 就能够封闭喇八， 从而避免落 入灰尘或其他杂物。 此方案未公开。 但是， 由于壳体一体设置， 这样设置后壳 体内的电路板或其他器件受损后， 壳体不易打开， 从而不易对音箱内部器件进 行检查或维修。
【发明内容】
本发明所要解决的技术问题是提供一种便于对壳体内的器件进行检查或维 修的音箱。
本发明的目的是通过以下技术方案来实现的： 一种音箱， 包括壳体、 喇叭、 设置在壳体上的用于出音的开口以及用于封闭所述开口的喇叭盖， 所述壳体包 括上壳和下壳， 上壳和下壳可拆卸固定， 所述喇叭固定在上壳和下壳之间， 所 述上壳上设置一与喇叭连通配合的用于出音的通孔， 所述喇叭盖封闭通孔的开 口。
优选的， 所述上壳设置多个螺丝孔， 对应的所述下壳上设有与上壳螺丝孔 配合的螺丝孔柱， 所述上壳和下壳通过螺丝固定。 上壳下壳之间通过螺丝固定 容易拆卸， 而且螺丝固定效果好。
优选的， 所述上壳上表面沿螺丝孔向下设有凹陷， 所述凹陷配合用于固定 音箱壳体的螺丝设置。 这样就能够将螺丝设置在凹陷内， 避免螺丝凸出在壳体 外而影响喇叭盖封闭通孔的开口。
优选的， 所述螺丝孔的个数为四个。 对应的螺丝孔柱的个数也为四个， 前 后端各为两个， 这样固定效果更佳。
优选的， 所述下壳上端大、 下端小。 这是下壳的一种具体结构， 这样设置 可节省材料。
优选的， 所述上壳底部边沿外表面设有向下的凸沿， 对应的下壳上部边沿 外表面设置有与所述凸沿配合的凹止口， 所述凸沿放置在凹止口处。 上壳凸沿 和下壳凹止口配合后， 使上壳和下壳之间固定更加牢固， 且使上壳和下壳之间 的连接和封闭更加紧密。
优选的， 所述上壳底部边沿内表面设有向下的凸沿， 对应的下壳上部边沿 内表面设置有与所述凸沿配合的凹止口， 所述凸沿放置在凹止口处。 上壳凸沿 和下壳凹止口配合后， 使上壳和下壳之间固定更加牢固， 且使上壳和下壳之间 的连接和封闭更加紧密。
优选的， 所述上壳沿通孔向下延伸有一延伸部， 所述延伸部内的通孔与所 述通孔适合。 由于喇叭固定在上壳和下壳之间， 喇叭设置在通孔处从通孔处通 音， 上壳设置向下的延伸部， 从而在上壳和下壳之间形成的空腔就会增大， 从 而有利于喇叭出音。
优选的， 所述延伸部内的通孔从上到下逐渐减小。 这样设置延伸部， 喇叭 产生的声音就会通过延伸部逐渐向外传播， 从而通过延伸部就会将声音传播范 围增大， 有利于声音的传播。
优选的， 所述通孔为圓形结构， 所述延伸部内部的通孔呈圓台结构。 这样 设置可使传播出去的声音均均匀。
本发明由于在音箱上设置两个壳体， 为上壳和下壳， 将喇叭固定在上壳和 下壳之间， 上壳上设置一与喇叭连通配合的用于出音的通孔， 从而喇叭设置在 通孔处并从通孔处出音， 所述喇叭盖封闭通孔的开口， 从而实现不使用时喇叭 盖封闭通孔的开口， 使用时打开喇叭盖即可； 而且上壳和下壳可拆卸固定， 从 而方便打开上壳和下壳， 进而便于对壳体内的器件进行检查或维修。
【附图说明】
图 1是本发明实施例所述上壳的结构示意图；
图 2是本发明实施例所述下壳的结构示意图；
图 3是本发明实施例所述喇八盖的结构示意图。
其中： 11、 通孔； 12、 螺丝孔； 13、 凸沿； 14、 延伸部； 21、 凹止口； 3、 喇口八盖。
【具体实施方式】
下面结合附图和较佳的实施例对本发明作进一步说明。
本发明公开一种音箱， 包括壳体、 喇叭、 设置在壳体上的用于出音的开口 以及用于封闭所述开口的喇叭盖， 如图 1至图 3所示， 所述壳体包括上壳和下 壳， 上壳和下壳可拆卸固定， 所述喇叭固定在上壳和下壳之间， 所述上壳上设 置一与喇八连通配合的用于出音的通孔 11 , 所述喇八盖 3封闭通孔 11的开口。
本发明由于在音箱上设置两个壳体， 为上壳和下壳， 将喇叭固定在上壳和 下壳之间， 上壳上设置一与喇叭连通配合的用于出音的通孔 11 , 从而喇八设置 在通孔 11处并从通孔 11处出音， 所述喇叭盖 3封闭通孔 11的开口， 从而实现 不使用时喇叭盖 3封闭开口， 使用时打开喇叭盖 3即可； 而且上壳和下壳可拆 卸固定， 从而方便打开上壳和下壳， 进而便于对壳体内的器件进行检查或维修。
本实施例中， 图 1示出了所述音箱上壳的结构示意图， 其中图 1 ( a ) 为上 壳俯视图， 图 1 ( b ) 为上壳另一视角的结构示意图， 图 2示出了所述音箱下壳 的结构示意图， 以及图 3示出了喇叭盖 3的结构示意图， 喇叭盖 3固定上壳的 一端， 为后端， 具体的喇叭盖 3通过销轴固定在上壳的后端， 销轴设置在喇叭 盖 3的后端并凸出在喇叭盖 3外， 喇叭盖 3配合通孔 11的开口设置， 从而在需 要使用音箱时打开喇叭盖即可， 不使用时闭合喇叭盖， 从而避免灰尘或其他杂 物落入通孔内。
如图 1和图 2所示， 所述上壳设置多个螺丝孔 12, 对应的所述下壳上设有 与上壳螺丝孔 12配合的螺丝孔柱， 所述上壳和下壳通过螺丝固定； 上壳下壳之 间通过螺丝固定容易拆卸， 从而方便打开上壳和下壳， 进而便于对壳体内的器 件进行检查或维修； 而且螺丝固定效果好。 在本实施例中， 所述螺丝孔 12的个 数为四个， 对应的螺丝孔柱的个数也为四个， 前后端各为两个， 这样固定效果 更佳。 当然也可设置为其他个数， 比如六个等都是可以的。 如图 1 所示， 本实 施例中， 所述上壳上表面沿螺丝孔向下设有凹陷 （图中未示出）， 所述凹陷配合 用于固定音箱壳体的螺丝设置， 上壳上的螺丝孔 12设置在通孔 11的周围， 喇 叭盖 3封闭通孔 11的周围， 并封闭螺丝孔 12设置位置， 这样就能够将螺丝设 置在凹陷内， 避免螺丝凸出在壳体外而影响喇叭盖 3封闭通孔 11的开口。
如图 1所示， 所述上壳沿通孔向下延伸有一延伸部 14, 所述延伸部 14内的 通孔与所述通孔 11适合， 由于喇叭固定在上壳和下壳之间， 喇八设置在通孔 11 处并从通孔 11处通音， 上壳设置向下的延伸部 14, 从而在上壳和下壳之间形成 的空腔就会增大， 从而有利于喇叭出音， 提升音量、 改善音质。 所述延伸部 14 内的通孔从上到下逐渐减小， 这样设置延伸部 14, 喇叭产生的声音就会通过延 伸部 14逐渐向外传播， 从而通过延伸部 14就会将声音传播范围增大， 有利于 声音的传播。 在本实施例中， 所述通孔 11为圓形结构， 所述延伸部 14 内部的 通孔呈圓台结构， 这样设置可使传播出去的声音均匀。 不过， 本实施例不局限 于将通孔设置为圓形， 也可设置为方形或其他形状。
本实施例中， 所述喇叭通过胶水粘合固定在所述延伸部的底部， 喇叭适合 延伸部的底部开口设置， 喇叭下端为下壳， 从而喇叭就固定在上壳和下壳之间。
在本实施例中， 如图 2所示， 所述下壳上端大、 下端小， 这是下壳的一种 具体结构， 这样设置可节省材料。 也可以将上壳设置成其他结构， 上下一样大， 或上端大、 下端小， 都是可以的。 如图 1和图 2所示， 所述上壳底部边沿外表面设有向下的凸沿 13, 对应的 下壳上部边沿外表面设置有与所述凸沿 13配合的凹止口 21 , 所述凸沿 13放置 在凹止口 21处， 上壳底部边沿外表面设有向下的凸沿 13, 则上壳底部边沿内表 面形成一平台， 对应的下壳上部边沿内表面形成有凸沿， 从而上壳凸沿和下壳 凹止口配合后， 下壳凸沿和上壳的平台配合， 进而使上壳和下壳之间固定更加 牢固， 且使上壳和下壳之间的连接和封闭更加紧密。 在本实施例中， 也可在所 述上壳底部边沿内表面设有向下的凸沿， 对应的下壳上部边沿内表面设置有与 所述凸沿配合的凹止口， 所述凸沿放置在凹止口处， 这样设置可以实现同样的 效果。
本实施例中， 电路板设置在上壳和下壳之间的后端， 并固定在下壳上， 如 图 2所示， 下壳后端下部设置一向外凸起的凸块， 从图中可以看到， 下壳内部 形成凹槽， 在凸块处设置一 USB接口， 从而凸块可增强 USB接口处的强度， 使 其固定更加牢固， 而且方便设置电路板。
在本实施例， 下壳底部设置有防滑垫（图中未示出）， 所述防滑垫的个数为 两个， 分别位于下壳的两端， 防滑垫的长度适合对应下壳部位的宽度设置， 从 而可防止音箱滑动而受损， 且避免下壳底部磨损。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明， 不 能认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通 技术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干筒单推演或替 换， 都应当视为属于本发明的保护范围。

Claims

权利要求
1、 一种音箱， 包括壳体、 喇叭、 设置在壳体上的用于出音的开口以及用于 封闭所述开口的喇八盖， 其特征在于， 所述壳体包括上壳和下壳， 上壳和下壳 可拆卸固定， 所述喇叭固定在上壳和下壳之间， 所述上壳上设置一与喇叭连通 配合的用于出音的通孔， 所述喇八盖封闭通孔的开口。
2、 如权利要求 1所述的音箱， 其特征在于， 所述上壳设置多个螺丝孔， 对 应的所述下壳上设有与上壳螺丝孔配合的螺丝孔柱， 所述上壳和下壳通过螺丝 固定。
3、 如权利要求 2所述的音箱， 其特征在于， 所述上壳上表面沿螺丝孔向下 设有凹陷， 所述凹陷配合用于固定音箱壳体的螺丝设置。
4、 如权利要求 2所述的音箱， 其特征在于， 所述螺丝孔的个数为四个。
5、 如权利要求 1或 2所述的音箱， 其特征在于， 所述下壳上端大、 下端小。
6、 如权利要求 1或 2所述的音箱， 其特征在于， 所述上壳底部边沿外表面 设有向下的凸沿， 对应的下壳上部边沿外表面设置有与所述凸沿配合的凹止口， 所述凸沿放置在凹止口处。
7、 如权利要求 1或 2所述的音箱， 其特征在于， 所述上壳底部边沿内表面 设有向下的凸沿， 对应的下壳上部边沿内表面设置有与所述凸沿配合的凹止口， 所述凸沿放置在凹止口处。
8、 如权利要求 1或 2所述的音箱， 其特征在于， 所述上壳沿通孔向下延伸 有一延伸部， 所述延伸部内的通孔与所述通孔适合。
9、 如权利要求 8所述的音箱， 其特征在于， 所述延伸部内的通孔从上到下 逐渐减小。
10、 如权利要求 9所述的音箱， 其特征在于， 所述通孔为圓形结构， 所述 延伸部内部的通孔呈圓台结构。
PCT/CN2013/070539 2013-01-16 2013-01-16 一种音箱 WO2014110732A1 (zh)

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