WO2021000125A1 - 移动终端 - Google Patents

移动终端 Download PDF

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Publication number
WO2021000125A1
WO2021000125A1 PCT/CN2019/094023 CN2019094023W WO2021000125A1 WO 2021000125 A1 WO2021000125 A1 WO 2021000125A1 CN 2019094023 W CN2019094023 W CN 2019094023W WO 2021000125 A1 WO2021000125 A1 WO 2021000125A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound
speaker box
screen
mobile terminal
housing
Prior art date
Application number
PCT/CN2019/094023
Other languages
English (en)
French (fr)
Inventor
刘忠原
印兆宇
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/CN2019/094023 priority Critical patent/WO2021000125A1/zh
Priority to CN201921033263.7U priority patent/CN210093266U/zh
Publication of WO2021000125A1 publication Critical patent/WO2021000125A1/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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • 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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment

Definitions

  • the utility model relates to the field of sound and electricity, in particular to a portable mobile terminal.
  • a related art mobile terminal includes a housing, a screen that is covered on the housing and encloses a housing space with the housing, and a speaker box installed in the housing space.
  • a narrow slit is opened on the screen, and the sound hole of the speaker box is connected with the narrow slit, thereby forming a narrow slit sound output structure.
  • the purpose of the utility model is to provide a mobile terminal with high reliability, good acoustic performance and full screen.
  • the present invention provides a mobile terminal, which includes a housing, a screen that is covered on the housing and encloses a housing space with the housing, a speaker box installed in the housing space, and an output
  • the sound part and the driving motor, the speaker box is provided with a sound outlet for sound
  • the housing includes a bottom wall, a side wall bent and extended from the periphery of the bottom wall, and an opening provided through the side wall, so
  • the screen cover is supported on the side wall, and the sound outlet is opened toward the side wall;
  • the sound outlet includes a hollow shell and a first sound port and a second sound port respectively penetrating the shell.
  • the sound port the housing is fixed to the speaker box, the first sound port is opened on the side of the housing away from the speaker box, and the first sound port connects the sound port with the outside
  • the second sound port is opened toward the screen and communicates with the sound outlet;
  • the driving motor is installed in the driving motor in the receiving space, and the driving motor is connected to the speaker box for The speaker box is driven to move, and the sound emitting part is extended out of the containing space or retracted into the containing space through the opening.
  • the housing further includes a sound chute extending from the bottom wall and formed in the accommodating space, the sound chute is arranged directly opposite to the opening, and the speaker box is accommodated in the In the sound chute, the driving motor drives the speaker box to slide along the axial direction of the sound chute.
  • the sound emitting part when the sound emitting part is retracted into the accommodating space, the sound emitting part is completely contained in the sound emitting chute, and the side of the sound emitting part away from the speaker box and the opening Flush; the screen completely covers the second sound port, and the sound outlet communicates with the outside air through the first sound port to realize side sound.
  • the second sound port is exposed from the sound emitting slide and communicates with the outside air to achieve positive sound.
  • the housing includes an upper surface wall close to the screen, a lower surface wall disposed opposite to the upper surface wall, and a side surface wall connecting the upper surface wall and the lower surface wall, and the speaker
  • the box is fixedly connected to the side surface wall, the first sound port is opened on the side of the side surface wall away from the speaker box, and the second sound port is opened on the upper surface wall.
  • the first sound port is arranged directly opposite to the sound port along the sliding direction of the sound slide.
  • the sound emission direction of the first sound port is parallel to the screen, and the sound emission direction of the second sound port is perpendicular to the screen.
  • the driving motor is a stepping motor.
  • the sound outlet of the speaker box faces the sound outlet opened on the side wall, and the sound outlet connected with the sound outlet is also provided, and The first sound port and the second sound port are respectively opened.
  • the first sound port connects the sound port with the outside world
  • the second sound port opens toward the sound port of the screen and communicates with the sound port, and drives the speaker box to move through the driving motor.
  • the full screen structure is realized at the same time the screen side sounding structure is realized, which is no longer limited by the size of the slit of the whole machine.
  • the stereo effect is avoided while the problem of stereo piano sound produced by narrow slits is avoided, and the overall performance is better; in addition, when the speaker box is retracted into the containing space, the first sound port remains in communication with the outside air, so that After the second sound port is retracted into the accommodation space with the speaker box, the side sound function can still be realized, which improves the sound reliability of the mobile terminal.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the mobile terminal of the present invention.
  • Figure 2 is an exploded view of a part of the three-dimensional structure of the mobile terminal of the present invention.
  • Figure 3 is another exploded view of the partial three-dimensional structure of the mobile terminal of the present invention.
  • Figure 4 is a cross-sectional view taken along line A-A in Figure 1;
  • Fig. 5 is an enlarged view of part B shown in Fig. 4;
  • Figure 6 is a schematic diagram of another state of Figure 5;
  • Fig. 7 is a curve diagram of the sound effect of the mobile terminal of the present invention and the related art narrow-slot sounding mobile terminal.
  • the present invention provides a mobile terminal 100, which includes a housing 1, a screen 2, a speaker box 3, a sound output unit 4, and a driving motor 5.
  • the screen 2 is arranged on the housing 1 and encloses a receiving space 10 together with the housing 1.
  • the housing 1 includes a bottom wall 11, a side wall 12 extending from the periphery of the bottom wall 11, an opening 13 provided through the side wall 12, and an opening 13 extending from the bottom wall 11 and formed in the bottom wall 11
  • the screen 2 is covered and supported on the side wall 12, and only a part of the structure of the screen 2 is shown in FIG. 2.
  • the speaker box 3 is installed in the receiving space 10.
  • the speaker box 3 is provided with a sound outlet 31 for sound; the sound outlet 31 is opened toward the side wall 12.
  • the sound emitting part 4 includes a hollow shell 41 and a first sound port 42 and a second sound port 43 respectively penetrating the shell 41.
  • the housing 41 is fixed to the speaker box 3, the first sound port 42 is opened on the side of the housing 1 away from the speaker box 3, and the first sound port 42 emits the sound
  • the port 31 communicates with the outside air to achieve sound on the side of the screen; and the second sound port 43 opens toward the screen 2 and communicates with the sound outlet 31, and the second sound port 43 is exposed to the sound outlet When it slides to 14, it communicates with the outside, that is, the second sound port 43 connects the sound outlet 31 with the outside air, so as to realize the screen is sounding.
  • the housing 41 includes an upper surface wall 411 close to the screen 2, a lower surface wall 412 disposed opposite to the upper surface wall 411, and a connection connecting the upper surface wall 411 and the lower surface wall 412
  • the side surface wall 413, the speaker box 3 is fixedly connected to the side surface wall 413, the first sound port 42 is opened on the side surface wall 413 away from the speaker box 3, and the second sound The port 43 is opened on the upper surface wall 411.
  • the speaker box 3 is housed in the sound chute 14 and the sound part 4 is located on the side of the speaker box 3 close to the sound chute 14, so that the first sound
  • the mouth 42 is arranged directly opposite to the sound outlet 31 along the sliding direction of the sound slide 14.
  • the sound emission direction of the first sound port 42 is parallel to the screen 2, and the sound emission direction of the second sound port 43 is perpendicular to the screen 2.
  • the driving motor 5 is installed in the receiving space 10.
  • the driving motor 5 is a stepping motor, which has high sensitivity and good controllability.
  • the driving motor 5 is connected with the speaker box 3 to drive the speaker box 3 to move, and make the sound emitting part 4 extend out of the receiving space 10 through the opening 13 or retract to the In the containment space 10. Specifically, the drive motor 5 drives the speaker box 3 to slide along the axial direction of the sound-out slide 14 to drive the sound-out part 4 to extend out of the sound-out slide 14 or retract to the sound-out slide 14 State the sound slide 14 inside.
  • the driving motor 5 drives the speaker box 3 to move and drives the sound emitting part 4 to extend out of the receiving space 10
  • the second sound port 43 extends out of the receiving space 10 It is connected with the outside air to realize positive sound.
  • the side sound and the positive sound of the mobile terminal 100 are performed at the same time, so that the stereo effect is better and the acoustic performance of the mobile terminal 100 is optimized.
  • the driving motor 5 drives the speaker box 3 to move and drives the sound output part 4 to retract into the accommodation space 10, that is, the sound port 42 retracts outside the accommodation space 10.
  • the upper surface wall 411 and the lower surface wall 412 abut on the screen 2 and the bottom wall 11 of the housing 1, respectively, and the screen 2 completely covers the second sound port 43.
  • the sound outlet 31 communicates with the outside air only through the first sound port 42 to achieve side sound, so that the second sound port 43 remains side sound after being retracted into the receiving space 10 with the speaker box 3
  • the voice function ensures the reliability of the mobile terminal 100's voice.
  • curve a is the acoustic performance curve diagram of the mobile terminal of the present invention when retracted into the speaker box
  • curve b is the acoustic performance curve diagram of the prior art mobile terminal. It can be seen from FIG. 7 that the acoustic performance of the mobile terminal 100 with sound on the screen side with a full-screen structure of the present invention is stable.
  • the space of the screen 2 is no longer occupied to set the slit to realize the positive sound, so that the positive sound is no longer affected by the slit size of the whole machine.
  • this structural design enables the speaker box 3 to be integrated with cameras and other devices to realize a full screen structure of the whole machine.
  • the sound chute 14 is mainly used as a guide structure for the movement of the speaker box 3 to improve the reliability of its extension and retraction.
  • the sound chute 14 and the opening 13 are arranged directly opposite to each other, the speaker box 3 is housed in the sound chute 14, and the driving motor 5 drives the speaker box 3.
  • the axial sliding of the sound slide 14 is described to improve stability.
  • the sound emitting part 4 when the sound emitting part 4 is retracted into the accommodating space 10, the sound emitting part 4 is completely accommodated in the sound emitting slide 14 and the sound emitting part 4 is far away from the speaker box One side of 3 is flush with the opening 13, which improves the overall beauty of the appearance of the mobile terminal 100.
  • the sound outlet of the speaker box faces the sound outlet opened on the side wall, and the sound outlet connected with the sound outlet is also provided, and The first sound port and the second sound port are respectively opened.
  • the first sound port connects the sound port with the outside world
  • the second sound port opens toward the sound port of the screen and communicates with the sound port, and drives the speaker box to move through the driving motor.
  • the full screen structure is realized at the same time the screen side sounding structure is realized, which is no longer limited by the size of the slit of the whole machine.
  • the stereo effect is avoided while the problem of stereo piano sound produced by narrow slits is avoided, and the overall performance is better; in addition, when the speaker box is retracted into the containing space, the first sound port remains in communication with the outside air, so that After the second sound port is retracted into the accommodation space with the speaker box, the side sound function can still be realized, which improves the sound reliability of the mobile terminal.

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

Abstract

本实用新型提供了一种移动终端，其包括外壳、盖设于外壳并与外壳共同围成收容空间的屏幕、安装于收容空间内的扬声器箱、出声部以及驱动电机，扬声器箱设有出声口；外壳包括底壁、由底壁延伸的侧壁和贯穿侧壁的开口，屏幕支撑于侧壁，出声口朝向侧壁开设；出声部包括呈中空状的壳体以及分别贯穿壳体的第一声口和第二声口；壳体固定于扬声器箱，第一声口开设于壳体远离扬声器箱的一侧且将出声口与外界连通，第二声口朝向屏幕开设且与出声口连通；驱动电机安装于收容空间内且与扬声器箱连接用以驱动扬声器箱运动，并使得出声部经开口伸出至收容空间外或缩回至收容空间内。与相关技术相比，本实用新型的移动终端可靠性高、声学性能好且实现全屏幕。

Description

移动终端 技术领域
本实用新型涉及声电领域，尤其涉及一种便携式的移动终端。
 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。目前，手机的功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的扬声器箱被大量应用到现在的移动设备之中。
相关技术的移动终端包括壳体、盖设于所述壳体并与所述壳体共同围成收容空间的屏幕以及安装于所述收容空间内的扬声器箱，为了使所述屏幕设计尽可能大甚至达到全屏，相关技术中在所述屏幕上开设窄缝，并使所述扬声器箱的出声孔与所述窄缝连通，从而形成窄缝出声结构。
然而，上述出声结构中，由于所述窄缝作为所述移动终端整机的出声结构，其尺寸太小，所述扬声器箱在大振幅下容易产生钢琴音杂音，且整机屏幕的一端仍被占用，并未真正实现全屏。
因此，实有必要提供一种新的移动终端解决上述技术问题。
 技术问题
本实用新型的目的在于提供一种可靠性高、声学性能好且实现全屏幕的移动终端。
 技术解决方案
为了达到上述目的，本实用新型提供了一种移动终端，其包括外壳、盖设于所述外壳并与所述外壳共同围成收容空间的屏幕、安装于所述收容空间内的扬声器箱、出声部和驱动电机，所述扬声器箱设有用于出声的出声口；所述外壳包括底壁、由所述底壁周缘弯折延伸的侧壁以及贯穿所述侧壁设置的开口，所述屏幕盖设支撑于所述侧壁，所述出声口朝向所述侧壁开设；所述出声部包括呈中空状的壳体以及分别贯穿所述壳体的第一声口和第二声口；所述壳体固定于所述扬声器箱，所述第一声口开设于所述壳体远离所述扬声器箱的一侧，且所述第一声口将所述出声口与外界连通，所述第二声口朝向所述屏幕开设且与所述出声口连通；所述驱动电机安装于所述收容空间内的驱动电机，且所述驱动电机与所述扬声器箱连接用以驱动所述扬声器箱运动，并使得所述出声部经所述开口伸出至所述收容空间外或缩回至所述收容空间内。
优选的，所述外壳还包括由所述底壁延伸并形成于所述收容空间内的出声滑道，所述出声滑道与所述开口正对设置，所述扬声器箱收容于所述出声滑道内，所述驱动电机驱动所述扬声器箱沿所述出声滑道的轴向滑动。
优选的，所述出声部缩回至所述收容空间内时，所述出声部完全收容于所述出声滑道内且所述出声部远离所述扬声器箱的一侧与所述开口平齐；所述屏幕完全遮盖所述第二声口，所述出声口通过所述第一声口与外界空气连通以实现侧发声。
优选的，所述出声部伸出至所述收容空间外时，所述第二声口外露于所述出声滑道并与外界空气连通以实现正发声。
优选的，所述壳体包括靠近所述屏幕的上表壁、与所述上表壁相对设置的下表壁以及连接所述上表壁与所述下表壁的侧表壁，所述扬声器箱与所述侧表壁固定连接，所述第一声口开设于所述侧表壁远离所述扬声器箱的一侧，所述第二声口开设于所述上表壁。
优选的，所述第一声口沿所述出声滑道的滑动方向与所述出声口正对设置。
优选的，所述第一声口的出声方向平行于所述屏幕，所述第二声口的出声方向垂直于所述屏幕。
优选的，所述驱动电机为步进电机。
 有益效果
与相关技术相比，本实用新型的移动终端中，扬声器箱的出声口朝向所述侧壁开设的出声口，还设置了与所述出声口连通的出声部，并在出声部分别开设了第一声口和第二声口，第一声口将出声口与外界连通，第二声口朝向屏幕的声口开设且与出声口连通，通过驱动电机驱动扬声器箱运动以带动所述出声部伸出至所述收容空间外或缩回至所述收容空间内，从而实现了全屏结构的同时实现屏幕侧发声结构，不再受整机窄缝尺寸的限制，提升了立体声效果的同时避免了窄缝出声的立体声钢琴音杂音问题，整体性能更优；另外，当扬声器箱缩回至所述收容空间内时，第一声口保持与外界空气连通，使得在第二声口随扬声器箱缩回至所述收容空间后仍能实现侧发声功能，提高了移动终端的发声可靠性。
 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为本实用新型移动终端的立体结构示意图；
图2为本实用新型移动终端的部分立体结构分解图；
图3为本实用新型移动终端的部分立体结构另一分解图；
图4为沿图1中A-A线的剖示图；
图5为图4中B所示部分放大图；
图6为图5另一状态示意图；
图7为本实用新型移动终端与相关技术的窄缝出声移动终端的出声效果曲线图。
 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。
请同时参阅图1-6，本实用新型提供了一种移动终端100，包括外壳1、屏幕2、扬声器箱3、出声部4以及驱动电机5。所述屏幕2盖设于所述外壳1并与所述外壳1共同围成收容空间10。
具体的，所述外壳1包括底壁11、由所述底壁11周缘弯折延伸的侧壁12、贯穿所述侧壁12设置的开口13以及由所述底壁11延伸并形成于所述收容空间10内的出声滑道14。
所述屏幕2盖设支撑于所述侧壁12，图2中仅示屏幕2的部分结构。
所述扬声器箱3安装于所述收容空间10内。所述扬声器箱3设有用于出声的出声口31；所述出声口31朝向所述侧壁12开设。
所述出声部4包括呈中空状的壳体41以及分别贯穿所述壳体41的第一声口42和第二声口43。所述壳体41固定于所述扬声器箱3，所述第一声口42开设于所述壳体1远离所述扬声器箱3的一侧，且所述第一声口42将所述出声口31与外界空气连通，以实现屏幕侧发声；而所述第二声口43朝向所述屏幕2开设且与所述出声口31连通，该第二声口43在外露于所述出声滑到14时与外界连通，即所述第二声口43将所述出声口31与外界空气连通，以实现屏幕正发声。
具体的，所述壳体41包括靠近所述屏幕2的上表壁411、与所述上表壁411相对设置的下表壁412以及连接所述上表壁411与所述下表壁412的侧表壁413，所述扬声器箱3与所述侧表壁413固定连接，所述第一声口42开设于所述侧表壁413远离所述扬声器箱3的一侧，所述第二声口43开设于所述上表壁411。
进一步的，所述扬声器箱3收容于所述出声滑道14内并使所述出声部4位于所述扬声器箱3靠近所述出声滑道14的一侧，使得所述第一声口42沿所述出声滑道14的滑动方向与所述出声口31正对设置。
更优的，本实施方式中，所述第一声口42的出声方向平行于所述屏幕2，所述第二声口43的出声方向垂直于所述屏幕2。所述驱动电机5安装于所述收容空间10内。
本实施方式中，所述驱动电机5为步进电机，灵敏度高且可控性好。
所述驱动电机5与所述扬声器箱3连接用以驱动所述扬声器箱3运动，并使得所述出声部4经所述开口13伸出至所述收容空间10外或缩回至所述收容空间10内。具体的，所述驱动电机5驱动所述扬声器箱3沿所述出声滑道14的轴向滑动以带动所述出声部4伸出至所述出声滑道14外或缩回至所述出声滑道14内。
也就是说，当所述驱动电机5驱动所述扬声器箱3移动并带动所述出声部4伸出至所述收容空间10外时，所述第二声口43伸出至收容空间10外并与外界空气连通以实现正发声，此时，所述移动终端100的侧发声和正发声同时进行，使得立体声效果更优，优化了所述移动终端100的声学性能。
当所述驱动电机5驱动所述扬声器箱3移动并带动所述出声部4缩回至所述收容空间10内时，即所述声口42缩回至所述收容空间10外，此时，所述上表壁411与所述下表壁412分别抵接于所述屏幕2和所述外壳1的底壁11，所述屏幕2完全遮盖所述第二声口43，此时，所述出声口31仅通过所述第一声口42与外界空气连通以实现侧发声，使得在所述第二声口43随所述扬声器箱3缩回至所述收容空间10后仍保持侧发声功能，保证了移动终端100发声的可靠性。
请结合图7所示，曲线a为本实用新型移动终端在缩回扬声器箱时的声学性能曲线图，曲线b为现有技术移动终端的声学性能曲线图。由图7可知本实用新型的具有全屏结构的屏幕侧发声的移动终端100其声学性能稳定。
上述结构中，由于移动终端100的正发声结构形成于所述屏幕2的侧面，不再占用所述屏幕2的空间来设置窄缝以实现正发声，使得正发声不再受整机窄缝尺寸的限制，不仅避免窄缝出声的立体声钢琴音杂音问题，优化了移动终端100的声学性能，还释放了所述屏幕2的设计，为所述移动终端100实现全屏结构提供了条件。
更进一步的，由于所述扬声器箱3和出声部4能够缩回到收容空间10内，此结构设计可使扬声器箱3与摄像头等器件融合一起并实现整机全面屏结构。
所述出声滑道14主要作为所述扬声器箱3移动的导向结构，提高其伸出和缩回的可靠性。本实施方式中，所述出声滑道14与所述开口13正对设置，所述扬声器箱3收容于所述出声滑道14内，所述驱动电机5驱动所述扬声器箱3沿所述出声滑道14的轴向滑动，提高稳定性。
更优的，所述出声部4缩回至所述收容空间10内时，所述出声部4完全收容于所述出声滑道14内且所述出声部4远离所述扬声器箱3的一侧与所述开口13平齐，提高所述移动终端100的外观整体美感。
与相关技术相比，本实用新型的移动终端中，扬声器箱的出声口朝向所述侧壁开设的出声口，还设置了与所述出声口连通的出声部，并在出声部分别开设了第一声口和第二声口，第一声口将出声口与外界连通，第二声口朝向屏幕的声口开设且与出声口连通，通过驱动电机驱动扬声器箱运动以带动所述出声部伸出至所述收容空间外或缩回至所述收容空间内，从而实现了全屏结构的同时实现屏幕侧发声结构，不再受整机窄缝尺寸的限制，提升了立体声效果的同时避免了窄缝出声的立体声钢琴音杂音问题，整体性能更优；另外，当扬声器箱缩回至所述收容空间内时，第一声口保持与外界空气连通，使得在第二声口随扬声器箱缩回至所述收容空间后仍能实现侧发声功能，提高了移动终端的发声可靠性。
以上所述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 (6)

  1. 一种移动终端，其包括外壳、盖设于所述外壳并与所述外壳共同围成收容空间的屏幕以及安装于所述收容空间内的扬声器箱，所述扬声器箱设有用于出声的出声口，其特征在于，所述外壳包括底壁、由所述底壁周缘弯折延伸的侧壁以及贯穿所述侧壁设置的开口，所述屏幕盖设支撑于所述侧壁，所述出声口朝向所述侧壁开设；所述移动终端还包括出声部和安装于所述收容空间内的驱动电机，所述出声部包括呈中空状的壳体以及分别贯穿所述壳体的第一声口和第二声口；所述壳体固定于所述扬声器箱，所述第一声口开设于所述壳体远离所述扬声器箱的一侧，且所述第一声口将所述出声口与外界连通，所述第二声口朝向所述屏幕开设且与所述出声口连通；所述驱动电机与所述扬声器箱连接用以驱动所述扬声器箱运动，并使得所述出声部经所述开口伸出至所述收容空间外或缩回至所述收容空间内。
  2. 根据权利要求1所述的移动终端，其特征在于，所述外壳还包括由所述底壁延伸并形成于所述收容空间内的出声滑道，所述出声滑道与所述开口正对设置，所述扬声器箱收容于所述出声滑道内并使所述出声部位于所述扬声器箱靠近所述出声滑道的一侧，所述驱动电机驱动所述扬声器箱沿所述出声滑道的轴向滑动以带动所述出声部伸出至所述出声滑道外或缩回至所述出声滑道内。
  3. 根据权利要求2所述的移动终端，其特征在于，所述出声部缩回至所述收容空间内时，所述出声部完全收容于所述出声滑道内且所述出声部远离所述扬声器箱的一侧与所述开口平齐；所述屏幕完全遮盖所述第二声口。
  4. 根据权利要求1所述的移动终端，其特征在于，所述壳体包括靠近所述屏幕的上表壁、与所述上表壁相对设置的下表壁以及连接所述上表壁与所述下表壁的侧表壁，所述扬声器箱与所述侧表壁固定连接，所述第一声口开设于所述侧表壁远离所述扬声器箱的一侧，所述第二声口开设于所述上表壁。
  5. 根据权利要求1所述的移动终端，其特征在于，所述第一声口的出声方向平行于所述屏幕，所述第二声口的出声方向垂直于所述屏幕。
  6. 根据权利要求1所述的移动终端，其特征在于，所述驱动电机为步进电机。
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