WO2020020133A1 - 移动终端 - Google Patents

移动终端 Download PDF

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Publication number
WO2020020133A1
WO2020020133A1 PCT/CN2019/097234 CN2019097234W WO2020020133A1 WO 2020020133 A1 WO2020020133 A1 WO 2020020133A1 CN 2019097234 W CN2019097234 W CN 2019097234W WO 2020020133 A1 WO2020020133 A1 WO 2020020133A1
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WO
WIPO (PCT)
Prior art keywords
mobile terminal
camera
lead screw
hall device
driving
Prior art date
Application number
PCT/CN2019/097234
Other languages
English (en)
French (fr)
Inventor
陈旭
谢长虹
薛传杰
郭阳
殷向兵
罗斌
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2020020133A1 publication Critical patent/WO2020020133A1/zh

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    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Definitions

  • the present disclosure relates to the technical field of mobile terminal design, and in particular, to a mobile terminal.
  • Mobile terminals With the diversification of user needs, more and more mobile terminals have entered people's lives, such as mobile phones and tablet computers. Related mobile terminals have more and more functions.
  • Mobile terminals usually have camera functions, which can meet the shooting needs of users.
  • the shooting function of the mobile terminal is usually completed by the camera module of the mobile terminal.
  • the camera 10 of the camera module is usually arranged on the top of the mobile terminal on the frame 30 outside the display screen 20, as shown in FIG.
  • the frame 30 at the top of the relevant mobile terminal is relatively wide, and further needs to provide sufficient space for the deployment of the camera 10.
  • the performance of mobile terminals is more and more optimized, and the more prominent performance is that the screen ratio of related mobile terminals is increasing, and even full-screen mobile terminals have appeared.
  • the area occupied by the display screen is getting larger and larger, which will make the frame 30 narrower and narrower, and eventually the frame 30 will not have enough space to arrange the camera 10.
  • the relevant mobile terminal will open a hole on the display screen to lay out the camera.
  • the placement of the camera on the display screen will affect the display effect of the mobile terminal and affect User experience. More importantly, the camera will still occupy the layout area of the display screen, which will still affect the mobile terminal's development towards the large screen ratio.
  • the present disclosure discloses a mobile terminal to solve the problem that the deployment of related cameras will affect the development of the mobile terminal toward a large screen ratio.
  • a mobile terminal includes a casing, a camera, and a driving mechanism disposed in the casing.
  • a frame of the casing is provided with a perforation.
  • the driving mechanism includes a driving body and a lead screw connected to the driving body.
  • the camera is threadedly engaged with the lead screw and is limitedly engaged with the lead screw in a circumferential direction of the lead screw. The camera can enter and exit the perforation with the rotation of the lead screw.
  • the mobile terminal disclosed in the embodiments of the present disclosure can ensure that the mobile terminal has a shooting function, and realizes its work by changing the position of the camera.
  • the deployment of the camera will not occupy the area where the display screen is arranged on the mobile terminal, and it will not restrict the mobile terminal.
  • the screen ratio is further increased. It can be seen that the mobile terminal disclosed in the embodiments of the present disclosure can solve the problem that the layout of the camera in the related technology will affect the development of the mobile terminal toward a large screen ratio.
  • FIG. 1 is a partial structural diagram of a typical mobile terminal in the related art
  • FIG. 2 is a schematic structural diagram of a part of a mobile terminal disclosed in an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a part of a mobile terminal with a camera in a state disclosed in an embodiment of the present disclosure
  • FIG. 4 is a partial structural diagram of a mobile terminal with a camera in another state according to an embodiment of the present disclosure.
  • An embodiment of the present disclosure discloses a mobile terminal.
  • the disclosed mobile terminal includes a housing 100, a camera 200, and a driving mechanism 300.
  • the housing 100 is a supporting member of the mobile terminal, and provides installation foundation and protection for other components of the mobile terminal.
  • the casing 100 has a frame 110 and an inner cavity 120.
  • a perforation is formed on the frame 110, and the perforation communicates with the inner cavity 120.
  • the driving mechanism 300 is disposed in the inner cavity 120 of the casing 100.
  • the camera 200 is movably disposed on the casing 100.
  • the camera 200 can be movably installed in the housing 100 through the camera bracket 400 and can be moved with the camera bracket 400.
  • the driving mechanism 300 can pass through the perforation, so that it can extend beyond the mobile terminal.
  • the driving mechanism 300 driven by the driving mechanism 300, the camera 200 can be retracted into the inner cavity 120 of the mobile terminal.
  • the driving mechanism 300 may include a driving main body 310 and a lead screw 320.
  • the lead screw 320 is drivingly connected to the driving main body 310 and is capable of rotating under the driving of the driving main body 310.
  • the camera 200 and the screw 320 are screwed together, and the screw 200 is limitedly engaged with the screw 320 in the circumferential direction of the screw 320.
  • the camera 200 and the screw 320 constitute a screw mechanism.
  • the lead screw 320 rotates, the camera 200 can move along the lead screw 320 along with the rotation of the lead screw 320.
  • the rotation direction of the lead screw 320 is different, and the movement direction of the camera 200 is also different.
  • the camera 200 can enter and exit the perforation in the extending direction of the lead screw 320 with the rotation of the lead screw 320, and then can extend from the perforation or retract from the perforation into the inner cavity 120.
  • the camera 200 moves along the lead screw 320 toward the direction of the perforation, and the camera 200 will eventually pass through the perforation. And it extends beyond the mobile terminal to prepare for the user's shooting.
  • the screw 320 is rotated in the opposite direction (can be considered reverse) under the driving of the driving body 310 after the shooting is completed, the camera 200 will move along the screw 320 in a retracting direction, and finally the camera 200 will Retracted into the inner cavity 120 of the mobile terminal through the perforation.
  • the mobile terminal disclosed in the embodiment of the present disclosure can ensure that the mobile terminal has a shooting function, and through the position conversion of the camera 200 (moving from inside the casing 100 to outside the casing 100 and from the casing 100) (Moving outside into the housing 100) to achieve its work, the layout of the camera 200 will not occupy the area where the display screen is arranged on the mobile terminal, and it will not limit the further increase of the screen ratio of the mobile terminal. It can be seen that the mobile terminal disclosed in the embodiments of the present disclosure can solve the problem that the layout of the camera in the related technology will affect the development of the mobile terminal toward a large screen ratio.
  • the driving body 310 is a power source of the driving mechanism 300.
  • the driving body 310 is a driving motor.
  • the driving motor is a stepping motor.
  • the mobile terminal disclosed in the embodiment of the present disclosure may further include a transmission mechanism 330, and the driving body 310 may be drivingly connected to the lead screw 320 through the transmission mechanism 330.
  • the transmission mechanism 370 may be a gear reducer.
  • the transmission mechanism 330 may also be a belt transmission mechanism, a chain transmission mechanism, or the like. The specific type of the transmission mechanism 330 is not limited in this embodiment.
  • the number of the driving bodies 310 may be one or at least two.
  • the lead screw 320 can be driven by the two driving bodies 310 at the same time through the corresponding transmission mechanism 330, which can undoubtedly improve the driving capability.
  • the smaller the power consumption the smaller the size of the driving body 310.
  • the above manner can enable the mobile terminal to use a smaller-sized driving body 310, which is more conducive to the development of the mobile terminal in a direction of thinning and thinning.
  • the two driving bodies 310 and the two transmission mechanisms 330 are arranged symmetrically on both sides of the screw 320. This arrangement can achieve a balanced force of the screw 320 and achieve a more stable rotation effect. Of course, this arrangement also has a small impact on the thickness of the mobile terminal.
  • the first gear 321 may be fixed on the screw 320, and the transmission mechanism 330 may be a gear transmission mechanism.
  • the two transmission mechanisms 330 and The first gear 321 is geared.
  • the gear used by the gear transmission mechanism (that is, the second gear below) is easier to manufacture with higher precision.
  • the designer can adjust the reduction gear ratio by adjusting the number of the second gears to achieve precise adjustment of the screw. 320 rotation purpose.
  • both transmission mechanisms 330 are disposed in the same gear box 340, and the two gear transmission mechanisms share a gear box 340, which can be further smaller. Space occupied by the drive mechanism 300.
  • the gears included in the two transmission mechanisms 330 are second gears, and all the second gears included in the transmission mechanism 330 may be parallel to the first gear 321, as shown in FIG. 3 or 4
  • the second gear is parallel to the first gear 321, which means that the second gear is parallel to the plane on which the first gear 321 is located. It can also be considered that the end face of the second gear is parallel to the end face of the first gear 321.
  • Such a structure of the transmission mechanism 330 can undoubtedly reduce the stacking volume of the transmission mechanism 330 and is beneficial to reducing the space occupation of the inner cavity 120.
  • the mobile terminal disclosed in the embodiments of the present disclosure may further include a camera bracket 400, and the camera 200 may be disposed in the housing 100 through the camera bracket 400.
  • the driving mechanism 300 can indirectly drive the telescopic movement of the camera 200 by driving the camera bracket 400.
  • the camera bracket 400 may be provided with a threaded hole 410, which extends along the moving direction of the camera 200, and the screw 320 is screwed with the screw hole 410, so that the screw 320 and the camera bracket 400 constitute a screw mechanism.
  • the camera bracket 400 is positioned in the rotation direction of the lead screw 320. When the lead screw 320 rotates, the camera bracket 400 can move along the lead screw 320, and finally drives the camera 200 to move.
  • the rotation direction of the lead screw 320 is different, and the moving direction of the camera bracket 400 is also different.
  • the camera bracket 400 can be positioned in the rotation direction of the lead screw 320 through the housing 100. Of course, it can also be positioned in the rotation direction of the lead screw 320 through cooperation with other structures, such as the guide rod 130 and the slide described later. Socket fit between sleeves 430.
  • the camera bracket 400 not only provides a mounting position for the camera 200 but also facilitates the assembly of the camera 200.
  • the camera bracket 400 can be a frame-type structure, so as to protect the camera 200.
  • the camera bracket 400 can be provided with a limiting portion 420.
  • the limiting portion 420 is used to limit the position of the inside port of the perforation when the camera 200 extends out of the perforation, thereby preventing excessive movement of the camera 200. In the process that the camera 200 is driven and extended, after the camera 200 is extended in place, the limiting portion 420 can limit the position of the inner port of the perforation.
  • the limiting portion 420 can be sealed and sealed between the edge of the perforated inner port and the camera bracket 400.
  • the limiting portion 420 can not only play a limiting role, but also realize The seal between the camera bracket 400 and the inner wall of the perforation achieves better dustproof and waterproof purposes.
  • the limiting portion 420 may be a limiting piece.
  • the camera 200 can move. Under normal circumstances, the camera bracket 400 and the casing 100 are slidingly fitted, thereby driving the camera 200 to move relative to the casing 100.
  • a slide rail is provided in the housing 100, the slide rail extends along the moving direction of the camera 200, the camera bracket 400 is slidably disposed on the slide rail, and the camera bracket 400 is slidably disposed on the slide rail.
  • the camera bracket 400 can realize sliding fit with the casing 100 through various structures.
  • slide rails may be provided on both sides of the camera bracket 400.
  • the slide rail may be a guide rod 130, and the guide rod serves as a slide rail.
  • the camera bracket 400 is provided with a sliding sleeve 430, and the sliding sleeve 430 is set on On the corresponding guide rod 130.
  • the mobile terminal disclosed in the embodiments of the present disclosure may implement control of the driving body 310 in various ways. Please refer to FIGS. 3 and 4 again.
  • the mobile terminal disclosed in the embodiment of the present disclosure may further include a first Hall device 500, a magnet 600, and a controller 800.
  • the magnet 600 is disposed on the camera bracket 400. And moves with the camera bracket 400.
  • the magnet 600 may be a magnet.
  • the first Hall device 500 is disposed inside the frame 110, and the controller 800 is connected to the first Hall device 500.
  • the controller 800 controls the driving body 310 to close according to the change in the magnetic flux of the magnet 600 sensed by the first Hall device 500.
  • the camera bracket 400 gradually approaches the frame 110, and finally the camera 200 extends through the perforation.
  • the magnet 600 gradually approaches the first Hall device 500 with the camera bracket 400.
  • the magnetic flux of the magnet 600 that can be sensed by the first Hall device 500 changes greatly.
  • the controller 800 controls the driving main body 310 to be turned off accordingly, and eventually the driving of the camera 200 will be stopped.
  • the controller 800 still controls the driving body 310 to keep the driving working state.
  • the mobile terminal disclosed in the embodiment of the present disclosure may further include a second Hall device 700 connected to the controller, and the movement of the second Hall device 700 and the first Hall device 500 in the camera 200. The directions are arranged in sequence.
  • the first Hall device 500 is disposed between the second Hall device 700 and the frame 110.
  • the controller 800 controls the driving body 310 to turn off according to the change in the magnetic flux of the magnet 600 sensed by the second Hall device 700.
  • the magnet 600 gradually approaches the second Hall device 700 with the camera bracket 400.
  • the magnetic flux of the magnet 600 that can be sensed by the second Hall device 700 changes greatly.
  • the magnetic flux of the magnet 600 sensed by the second Hall device 700 no longer changes (i.e. When the change in magnetic flux is zero) or when the change in magnetic flux is less than a preset threshold, in this case, the controller 800 controls the driving body 310 to be turned off accordingly, and the driving of the camera 200 will eventually stop.
  • the controller 800 controls the driving body 310 to maintain the driving working state accordingly.
  • the controller 800 controls the driving body 310 based on the induction result of the first Hall device 500 .
  • the magnet 600 gradually approaches the second Hall device 700, and then the controller 800 controls the driving body 310 based on the sensing result of the second Hall device 700.
  • a shield may be provided between the first Hall device 500 and the second Hall device 700.
  • the controller 800 can only use the induction result of the first Hall device 500 as a control basis.
  • the controller 800 can only use the second Hall device 700. The sensing result is the control basis.
  • the controller 800 may also select a control basis from the sensing results of the first Hall device 500 and the second Hall device 700 according to the position of the magnet 600. For example, when the magnet 600 is closer to the first Hall device 500, the controller 800 takes the sensing result of the first Hall device 500 as a control basis; when the magnet 600 is closer to the second Hall device 700, it controls The controller 800 is based on the sensing result of the second Hall device 700.
  • the mobile terminal disclosed in the embodiments of the present disclosure may be a device with a camera and a display screen, such as a mobile phone, a tablet computer, an e-book reader, and a wearable device.
  • the embodiments of the present disclosure do not limit the specific types of mobile terminals.

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Abstract

本公开公开一种移动终端，其包括壳体(100)、摄像头(200)以及设置在所述壳体(100)内的驱动机构(300)，所述壳体(100)的边框(110)开设有穿孔，所述驱动机构(300)包括驱动主体(310)和与所述驱动主体(310)传动相连的丝杠(320)，所述摄像头(200)与所述丝杠(320)螺纹配合、且在所述丝杠(320)的周向与所述丝杠(320)限位配合，所述摄像头(200)可随所述丝杠(320)的转动进出所述穿孔。

Description

移动终端
相关申请的交叉引用
本申请主张在2018年7月25日在中国提交的中国专利申请号No.201810833162.1的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及移动终端设计技术领域，尤其涉及一种移动终端。
背景技术
随着用户需求的多样化，越来越多的移动终端进入到人们的生活中，例如手机、平板电脑。相关的移动终端的功能越来越多，移动终端通常具备摄像功能，进而能满足用户的拍摄需求。移动终端的拍摄功能通常由移动终端的摄像模组来完成，摄像模组的摄像头10通常布设在移动终端的顶端上位于显示屏20外侧的边框30上，如图1所示。
相关移动终端上位于其顶端的边框30较宽，进而需要为摄像头10的布设提供足够的空间。随着用户需求的不断提升，移动终端的性能越来越优化，较为突出的表现是相关的移动终端的屏占比越来越大，甚至出现了全面屏移动终端。在移动终端的整机尺寸确定的前提下，显示屏所占的区域越来越大，会使得边框30越来越窄，最终会导致边框30没有足够的空间来布设摄像头10。
为了确保摄像头10的布设，同时尽可能地增大移动终端的屏占比，相关的移动终端会在显示屏上开孔来布设摄像头，摄像头布设在显示屏上会影响移动终端的显示效果，影响用户的使用体验。更重要的是，摄像头仍然会占据显示屏的布设区域，仍然会影响移动终端向着大屏占比的方向发展。
发明内容
本公开公开一种移动终端，以解决相关摄像头的布设会影响移动终端向着大屏占比方向发展的问题。
为了解决上述问题，本公开采用下述技术方案：
一种移动终端，包括壳体、摄像头以及设置在所述壳体内的驱动机构，所述壳体的边框开设有穿孔，所述驱动机构包括驱动主体和与所述驱动主体传动相连的丝杠，所述摄像头与所述丝杠螺纹配合、且在所述丝杠的周向与所述丝杠限位配合，所述摄像头可随所述丝杠的转动进出所述穿孔。
本公开采用的技术方案能够达到以下有益效果：
本公开实施例公开的移动终端能够确保移动终端具备拍摄功能的前提下，通过摄像头的位置转换实现其工作，摄像头的布设不会占用移动终端上布设显示屏的区域，也就不会限制移动终端的屏占比的进一步增大。可见，本公开实施例公开的移动终端能够解决相关技术中摄像头的布设会影响移动终端向着大屏占比方向发展的问题。
附图说明
此处所说明的附图用来提供对本公开的进一步理解，构成本公开的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1为相关技术中一种典型的移动终端的部分结构示意图；
图2为本公开实施例公开的移动终端的部分结构示意图；
图3为本公开实施例公开的移动终端在摄像头处于一种状态的部分结构示意图；
图4为本公开实施例公开的移动终端在摄像头处于另一种状态的部分结构示意图。
附图标记说明：
10-摄像头、20-显示屏、30-边框；
100-壳体、110-边框、120-内腔、130-导向杆、200-摄像头、300-驱动机构、310-驱动主体、320-丝杠、321-第一齿轮、330-传动机构、340-齿轮箱、400-摄像头支架、410-螺纹孔、420-限位部、430-滑套、500-第一霍尔器件、600-磁体、700-第二霍尔器件、800-控制器。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚，下面将结合本公开具体实施例及相应的附图对本公开技术方案进行清楚、完整地描述。显然，所描述的实施例仅是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，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他实施例，都属于本公开保护的范围。
以下结合附图，详细说明本公开各个实施例公开的技术方案。
请参考图2-图4，本公开实施例公开一种移动终端，所公开的移动终端包括壳体100、摄像头200和驱动机构300。
壳体100是移动终端的支撑构件，为移动终端的其它构件提供安装基础及防护。壳体100具有边框110和内腔120，边框110上开设有穿孔，穿孔与内腔120连通。
驱动机构300设置在壳体100的内腔120中。摄像头200可移动地设置在壳体100上。通常，摄像头200可以通过摄像头支架400可移动地安装在壳体100内，进而能随摄像头支架400移动。在驱动机构300的驱动下，摄像头200能够穿过穿孔，进而实现其伸出移动终端之外，当然，在驱动机构300的驱动下，摄像头200还能回缩至移动终端的内腔120中。
驱动机构300可以包括驱动主体310和丝杠320，丝杠320与驱动主体310传动相连，进而能在驱动主体310的驱动下转动。摄像头200与丝杠320螺纹配合、且在丝杠320的周向与丝杠320限位配合，此种情况下，摄像头200与丝杠320构成丝杠机构。丝杠320转动时，摄像头200能随丝杠320的转动，在沿着丝杠320的方向移动。当然，丝杠320的转动方向不同，摄像头200的移动方向也不同。
摄像头200可随丝杠320的转动，在丝杠320的延伸方向进出穿孔，进而能从穿孔中伸出或从穿孔中回缩至内腔120中。
在具体的工作过程中，当丝杠320在驱动主体310的驱动下向着一个方向转动(可以认为是正转)时，摄像头200沿着丝杠320向着靠近穿孔的方向移动，最终摄像头200会通过穿孔而伸出移动终端之外，进而为用户的拍摄进行准备。当拍摄完毕后，丝杠320在驱动主体310的驱动下向着另一个 相反的方向转动(可以认为是反转)时，摄像头200会沿着丝杠320向着回缩的方向移动，最终摄像头200会通过穿孔而回缩至移动终端的内腔120中。
通过上述工作过程可知，本公开实施例公开的移动终端能够确保移动终端具备拍摄功能的前提下，通过摄像头200的位置转换(从壳体100内移动至壳体100之外以及从壳体100之外移动至壳体100之内)实现其工作，摄像头200的布设不会占用移动终端上布设显示屏的区域，也就不会限制移动终端屏占比的进一步增大。可见，本公开实施例公开的移动终端能够解决相关技术中摄像头的布设会影响移动终端向着大屏占比方向发展的问题。
驱动主体310是驱动机构300的动力源，通常情况下，驱动主体310为驱动电机。为了提高驱动精度，可选的方案中，驱动电机为步进电机。
本公开实施例公开的移动终端还可以包括传动机构330，驱动主体310可以通过传动机构330与丝杠320传动连接。传动机构370可以是齿轮减速器，当然，传动机构330也可以是带传动机构、链传动机构等，本实施例不限制传动机构330的具体种类。
驱动主体310的数量可以为一个，也可以为至少两个。一种具体的实施方式中，传动机构330为两个，两个驱动主体310一一对应地与两个传动机构330传动配合。此种情况下，丝杠320能够同时被两个驱动主体310通过各自配合的传动机构330驱动，这无疑能提高驱动能力。同时，此种情况下，有利于驱动主体310采用更小功耗的型号，通常，功耗较小，驱动主体310的尺寸就越小。上述方式能够使得移动终端采用更小尺寸的驱动主体310，这更加有利于移动终端向着轻薄化方向发展。
为了实现更为均衡的驱动，可选的方案中，两个驱动主体310与两个传动机构330均对称地布置在丝杠320的两侧。此种布置方式，能够实现丝杠320的均衡受力，达到转动更加稳定的效果。当然，此种布置方式，也会对移动终端的厚度影响较小。
如上文所述，传动机构330的结构有多种，一种具体的实施方式中，丝杠320上可以固定有第一齿轮321，传动机构330可以为齿轮传动机构，两个传动机构330分别与第一齿轮321传动啮合。齿轮传动机构所采用的齿轮(也就是下文的第二齿轮)较容易做到更高精度的制造，设计人员可以通过 调节第二齿轮的数量，较容易实现减速比的调节，达到精确调节丝杠320转动的目的。
另一可选的方案中，传动机构330为齿轮传动机构的前提下，两个传动机构330均设置在同一个齿轮箱340内，两个齿轮传动机构共用一个齿轮箱340，进而能进一步较小驱动机构300的占用空间。
一种具体的实施方式中，两个传动机构330所包含的齿轮为第二齿轮，传动机构330所包含的所有的第二齿轮均可以与第一齿轮321相平行，如图3或4所示，第二齿轮与第一齿轮321相平行，指的是第二齿轮与第一齿轮321所在的平面相平行，也可以认为是，第二齿轮的端面与第一齿轮321的端面相平行。传动机构330的此种结构无疑能够减小传动机构330的堆叠体积，有利于减小对内腔120的空间占用。
如上文所述，本公开实施例公开的移动终端还可以包括摄像头支架400，摄像头200可以通过摄像头支架400设置在壳体100内。由于摄像头支架400较为容易装配，因此驱动机构300可以通过驱动摄像头支架400来间接驱动摄像头200的伸缩移动。基于此，摄像头支架400可以设置有螺纹孔410，螺纹孔410沿着摄像头200的移动方向延伸，丝杠320与螺纹孔410螺纹配合，进而使得丝杠320与摄像头支架400构成丝杠机构。摄像头支架400在丝杠320的转动方向上被定位，在丝杠320转动时，摄像头支架400能够沿着丝杠320移动，最终带动摄像头200移动。当然，丝杠320的转动方向不同，摄像头支架400的移动方向也不同。
摄像头支架400可以通过壳体100实现在丝杠320转动方向的定位，当然也可以通过与其它结构之间的配合实现在丝杠320转动方向的定位，例如后文所述的导向杆130与滑套430之间的套接配合。
摄像头支架400不但为摄像头200提供安装位置，还能够方便摄像头200的装配。通常情况下，摄像头支架400可以为框架式结构，进而能起到防护摄像头200的作用。
摄像头支架400可以设置有限位部420，限位部420用于在摄像头200伸出穿孔的状态下与穿孔的内侧端口限位配合，进而能够避免摄像头200的过量移动。在摄像头200被驱动伸出的过程中，当摄像头200伸出到位后， 限位部420能与穿孔的内侧端口限位配合。
可选的方案中，限位部420可以密封封堵在穿孔的内侧端口的边缘与摄像头支架400之间，此种情况下，限位部420不但能起到限位的作用，而且还能实现摄像头支架400与穿孔的内壁之间的密封封堵，达到较好的防尘、防水目的。限位部420的结构有多种，一种具体的实施方式中，限位部420可以为限位片。
在驱动机构300的驱动下，摄像头200能够移动。通常情况下，摄像头支架400与壳体100滑动配合，进而带动摄像头200相对于壳体100移动。通常情况下，壳体100内设置有滑轨，滑轨沿摄像头200的移动方向延伸，摄像头支架400滑动地设置在滑轨，摄像头支架400滑动地设置在滑轨上。摄像头支架400可以通过多种结构实现与壳体100的滑动配合。一种具体的实施方式中，摄像头支架400的两侧均可以设置有滑轨，滑轨可以为导向杆130，导向杆作为滑轨，摄像头支架400设置有滑套430，滑套430套设在相对应的导向杆130上。
本公开实施例公开的移动终端可以采用多种方式实现对驱动主体310的控制。请再次参考图3和图4，一种具体的实施方式中，本公开实施例公开的移动终端还可以包括第一霍尔器件500、磁体600和控制器800，磁体600设置在摄像头支架400上、且随摄像头支架400移动，具体的，磁体600可以为磁铁。第一霍尔器件500设置在边框110的内侧，控制器800与第一霍尔器件500相连，控制器800根据第一霍尔器件500感应到的磁体600的磁通量变化、控制驱动主体310关闭。
在摄像头200伸出的过程中，摄像头支架400逐渐靠近边框110，并最终使得摄像头200伸出穿孔。此过程中，磁体600随摄像头支架400逐渐靠近第一霍尔器件500，第一霍尔器件500能够感应到的磁体600的磁通量变化较大，当限位部420与穿孔的内侧端口限位配合时或者摄像头200被推动到伸出极限位置时，第一霍尔器件500能够感应到的磁体600的磁通量不再变化(即磁通量变化为零)或者磁通量的变化小于预先设定的阈值时，此种情况下，控制器800则据此控制驱动主体310关闭，最终对摄像头200的驱动会停止。
当然，第一霍尔器件500感应到的磁体600的磁通量变化较大(磁通量大于零或大于预先设定的阈值时)，则说明摄像头200的伸出并未到位，此种情况下，控制器800仍然控制驱动主体310保持驱动工作状态。
同理，可选的方案中，本公开实施例公开的移动终端还可以包括与控制器相连的第二霍尔器件700，第二霍尔器件700与第一霍尔器件500在摄像头200的移动方向依次布设，第一霍尔器件500设置在第二霍尔器件700与边框110之间，控制器800根据第二霍尔器件700感应到的磁体600的磁通量变化，控制驱动主体310关闭。
在摄像头200回缩的过程中，磁体600随摄像头支架400逐渐靠近第二霍尔器件700，第二霍尔器件700能够感应到的磁体600的磁通量变化较大，当摄像头200完全缩回到内腔120中时，摄像头200通过其它部件定位或驱动机构300无法驱动摄像头200进一步回缩(即达到回缩极限位置)时，第二霍尔器件700感应到的磁体600的磁通量不再变化(即磁通量变化为零)或者磁通量的变化小于预先设定的阈值时，此种情况下，控制器800则据此控制驱动主体310关闭，最终对摄像头200的驱动会停止。
当第二霍尔器件700感应到的磁体600的磁通量变化较大(例如磁通量大于零或大于预先设定的阈值时)，则控制器800则据此控制驱动主体310保持驱动工作状态。
当然，需要说明的是，磁体600在移动地过程中，磁体600逐渐靠近第一霍尔器件500，那么控制器800则会以第一霍尔器件500的感应结果为依据对驱动主体310进行控制。磁体600逐渐靠近第二霍尔器件700，那么控制器800则会以第二霍尔器件700的感应结果为依据对驱动主体310进行控制。
实现上述目的的方式有多种，例如可以在第一霍尔器件500与第二霍尔器件700之间设置屏蔽件，当磁体600经过屏蔽件而逐渐靠近第一霍尔器件500时，第二霍尔器件700感应不到磁体600的磁通量，此种情况下，控制器800只能以第一霍尔器件500的感应结果为控制依据。同样，当磁体600经过屏蔽件而逐渐靠近第二霍尔器件700时，第一霍尔器件500感应不到磁体600的磁通量，此种情况下，控制器800只能以第二霍尔器件700的感应 结果为控制依据。
当然，控制器800也可以根据磁铁600所处的位置，从第一霍尔器件500和第二霍尔器件700的感应结果中选择控制依据。例如，在磁铁600距第一霍尔器件500较近时，则控制器800以第一霍尔器件500的感应结果为控制依据；在磁铁600距第二霍尔器件700较近时，则控制器800以第二霍尔器件700的感应结果为控制依据。
本公开实施例公开的移动终端可以是手机、平板电脑、电子书阅读器、可穿戴设备等具有摄像头和显示屏的设备，本公开实施例不限制移动终端的具体种类。
本公开上文实施例中重点描述的是各个实施例之间的不同，各个实施例之间不同的优化特征只要不矛盾，均可以组合形成更优的实施例，考虑到行文简洁，在此则不再赘述。
以上所述仅为本公开的实施例而已，并不用于限制本公开。对于本领域技术人员来说，本公开可以有各种更改和变化。凡在本公开的精神和原理之内所作的任何修改、等同替换、改进等，均应包含在本公开的权利要求范围之内。

Claims (12)

  1. 一种移动终端，包括壳体(100)、摄像头(200)以及设置在所述壳体(100)内的驱动机构(300)，所述壳体(100)的边框(110)开设有穿孔，所述驱动机构(300)包括驱动主体(310)和与所述驱动主体(310)传动相连的丝杠(320)，所述摄像头(200)与所述丝杠(320)螺纹配合、且在所述丝杠(320)的周向与所述丝杠(320)限位配合，所述摄像头(200)可随所述丝杠(320)的转动进出所述穿孔。
  2. 根据权利要求1所述的移动终端，其中，所述驱动主体(310)为驱动电机，所述移动终端还包括传动机构(330)，所述驱动主体(310)通过所述传动机构(330)与所述丝杠(320)传动配合。
  3. 根据权利要求2所述的移动终端，其中，所述驱动主体(310)为两个，所述传动机构(330)为两个，两个驱动主体(310)一一对应地与两个所述传动机构(330)传动配合。
  4. 根据权利要求3所述的移动终端，其中，两个所述驱动主体(310)与两个所述传动机构(330)均对称地布置在所述丝杠(320)的两侧。
  5. 根据权利要求4所述的移动终端，其中，所述丝杠(320)上固定有第一齿轮(321)，所述传动机构(330)为齿轮传动机构，两个所述传动机构(330)分别与所述第一齿轮(321)传动啮合，两个所述传动机构(330)所包含的第二齿轮均与所述第一齿轮(321)相平行。
  6. 根据权利要求1所述的移动终端，其中，所述移动终端还包括摄像头支架(400)，所述摄像头(200)设置在所述摄像头支架(400)上，所述摄像头支架(400)上开设有沿其伸缩移动方向延伸的螺纹孔(410)，所述丝杠(320)与所述螺纹孔(410)螺纹配合。
  7. 根据权利要求6所述的移动终端，其中，所述摄像头支架(400)设置有限位部(420)，所述限位部(420)用于在所述摄像头(200)伸出所述穿孔的状态下与所述穿孔的内侧端口限位配合。
  8. 根据权利要求7所述的移动终端，其中，所述限位部(420)为限位片，所述限位部(420)密封封堵在所述穿孔的内侧端口的边缘与所述摄像头 支架(400)之间。
  9. 根据权利要求6所述的移动终端，其中，所述壳体(100)内设置有滑轨，所述滑轨沿所述摄像头(200)的移动方向延伸，所述摄像头支架(400)滑动地设置在所述滑轨上。
  10. 根据权利要求9所述的移动终端，其中，所述摄像头支架(400)两侧的部位均设置有导向杆(130)，所述滑轨为所述导向杆，所述摄像头支架(400)上设置有滑套(430)，所述滑套(430)可滑动地套设在相对应的所述导向杆(130)上。
  11. 根据权利要求1所述的移动终端，其中，所述移动终端还包括第一霍尔器件(500)、磁体(600)和控制器(800)，所述磁体(600)设置在所述摄像头支架(400)上、且随所述摄像头支架(400)移动，所述第一霍尔器件(500)设置在所述边框(110)的内侧，所述控制器(800)与所述第一霍尔器件(500)相连，所述控制器(800)根据所述第一霍尔器件(500)感应到的磁通量变化、控制所述驱动主体(310)关闭。
  12. 根据权利要求11所述的移动终端，其中，所述移动终端还包括与所述控制器(800)相连的第二霍尔器件(700)，所述第二霍尔器件(700)与所述第一霍尔器件(500)在所述摄像头(200)的移动方向依次布设，所述第一霍尔器件(500)设置在所述第二霍尔器件(700)与所述边框(110)之间，所述控制器(800)根据所述第二霍尔器件(700)感应到的磁通量变化、控制所述驱动主体(310)关闭。
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