WO2024017024A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2024017024A1
WO2024017024A1 PCT/CN2023/104775 CN2023104775W WO2024017024A1 WO 2024017024 A1 WO2024017024 A1 WO 2024017024A1 CN 2023104775 W CN2023104775 W CN 2023104775W WO 2024017024 A1 WO2024017024 A1 WO 2024017024A1
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WO
WIPO (PCT)
Prior art keywords
gear
sliding rod
electronic device
rod assembly
scraper
Prior art date
Application number
PCT/CN2023/104775
Other languages
English (en)
French (fr)
Inventor
刘旭阳
尚艳伟
王文龙
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 WO2024017024A1 publication Critical patent/WO2024017024A1/zh

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

Definitions

  • the present application belongs to the technical field of electronic devices, and specifically relates to an electronic device.
  • the structure of the flexible screen is very weak, especially when the mobile end of the flexible screen is connected to a constantly deforming fixed spring.
  • the constant changes in the tension in the fixed spring will cause greater resistance to the expansion and retraction of the flexible screen.
  • This application aims to provide an electronic device that solves the problem that existing flexible screens are prone to damage when unfolding and retracting.
  • the embodiment of this application provides an electronic device, including:
  • An equipment body which includes a first body and a second body that are slidably connected;
  • the fixed side of the flexible screen is connected to the first body
  • the movable side of the flexible screen is wound around the side of the second body away from the fixed side and is installed in the electronic device.
  • the movable side is connected to the tensioner, and the drive The piece is connected to the tensioning piece;
  • the driving member drives the tensioning member to move in the same direction as the second body.
  • an electronic device in an embodiment of the present application, includes a device body, a flexible screen, a driving member, and a tensioning member.
  • the device body includes a first body and a second body that are slidingly connected.
  • the driving member drives the tensioning member to move in the same direction as the second body, that is, during the expansion of the electronic device,
  • the tension of the elastic member is close to each other, which avoids the additional resistance brought by the tension change of the elastic member to the expansion or retraction of the flexible screen, ensuring the stability and service life of the expansion or retraction of the flexible screen.
  • Figure 1 is a schematic diagram of a flexible screen of an electronic device in a retracted state according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of a flexible screen of an electronic device in an unfolded state according to an embodiment of the present application.
  • first and second features in the description and claims of this application may include one or more of these features, either explicitly or implicitly.
  • plural means two or more.
  • and/or in the description and claims indicates at least one of the connected objects, and the character “/” generally indicates that the related objects are in an “or” relationship.
  • connection should be understood in a broad sense.
  • connection can be a fixed connection or a detachable connection.
  • Connection, or integral connection can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.
  • connection or integral connection
  • connection, or integral connection can be a mechanical connection or an electrical connection
  • it can be a direct connection or an indirect connection through an intermediate medium
  • it can be an internal connection between two components.
  • the electronic device according to the embodiment of the present application is described below with reference to FIGS. 1-2 .
  • the electronic device may be a flexible screen device that can be slidably expanded and contracted.
  • the electronic device includes:
  • the equipment main body includes a first body 1 and a second body 2 that are slidingly connected.
  • the first body 1 can be a fixed middle frame
  • the second body 2 can be a fixed middle frame.
  • the first body 1 and the second body 2 are slidingly connected through the cooperation of the slide track and the slide rail. The relative sliding of the first body 1 and the second body 2 can realize the expansion of the electronic device. .
  • the fixed side of the flexible screen 3 is connected to the first body 1 , and the movable side of the flexible screen 3 is wound to the side of the second body 2 away from the fixed side, and is disposed on the electronic device Inside, the movable side is connected to the tensioning member 5 through an elastic member 6 , and the driving member is connected to the tensioning member 5 .
  • a rotating shaft 21 is provided in the second body 2, the fixed side of the flexible screen 3 is fixedly connected to the first body 1, and the movable side of the flexible screen 3 bypasses the
  • the rotating shaft 21 is connected to the tensioning member 5 through the elastic member 6 in a stretched state; for example, the flexible screen 3 may include the opposite fixed side and the movable side, and the rotating shaft 21 can move while moving. Rotate, thereby driving the flexible screen 3 to expand and retract.
  • the driving member drives the tensioning member 5 to move in the same direction as the second body 2, that is, when the electronic device is closed During the expansion process, the tension of the elastic member 6 can be brought close to each other, thereby avoiding the additional resistance brought by the tension change of the elastic member 6 to the expansion or retraction of the flexible screen 3, ensuring that the expansion or retraction of the flexible screen 3 is ensured. return stability and service life.
  • the power of the motor driving the expansion or retraction of the flexible screen 3 can also be kept constant, which not only increases the life of the motor, but also reduces the cost. The power loss of the motor.
  • the movement speed of the tensioning member 5 is greater than the relative sliding speed of the second body 2 and the first body 1 .
  • the driving member drives the tensioning member 5 to move in the same direction as the second body 2, since the movement speed of the movable side of the flexible screen 3 is greater than that of the second body 2 and the first body 2, The relative sliding rate of body 1.
  • the movement speed of the tension member 5 can be made greater than the The relative sliding speed of the second body 2 and the first body 1 is to match the movement speed of the tensioner 5 to the movement speed of the movable side of the flexible screen 3 to ensure that the flexible screen 3 can be expanded or retracted. stability.
  • the moving speed of the tensioning member 5 is 1.8-2.2 times the relative sliding speed of the second body 2 and the first body 1 , that is, the movement speed of the tensioning member 5
  • the movement speed is close to twice the relative sliding speed of the second body 2 and the first body 1, so that the movement of the tension member 5 can match the expansion or retraction rate of the flexible screen 3, ensuring the elasticity
  • the change rate of the tensile length of the elastic member 6 is less than or equal to 10%, that is, the tension of the elastic member 6 is close to constant, and the change of the tension of the elastic member 6 is avoided to cause additional expansion or retraction of the flexible screen 3.
  • the resistance ensures the stability and service life of the flexible screen 3 when it is deployed or retracted.
  • the movement rate of the tensioning member 5 is twice the relative sliding rate of the second body 2 and the first body 1, so that the tensile length change rate of the elastic member 6 is less than or equal to 2%.
  • the elastic member 6 may be a spring, an elastic rubber member, or an elastic plastic member, and the moving speed of the tensioning member 5 is twice the relative sliding speed of the second body 2 and the first body 1 In this case, the movement of the tensioning member 5 can completely match the expansion or retraction rate of the flexible screen 3, so that the stretch length change rate of the elastic member 6 is less than or equal to 2%, or even the elastic member 6
  • the stretching length is basically unchanged, that is, the tension of the elastic member 6 is constant, which avoids additional resistance brought by the change in tension of the elastic member 6 to the expansion or retraction of the flexible screen 3 .
  • the driving member includes a first gear 4, a first sliding rod assembly 11 is provided in the first body 1 and faces the second body 2, and a first sliding rod assembly 11 is provided in the second body 2 and faces the second body 2.
  • the second sliding rod assembly 22 drives the first gear 4 to rotate on the first sliding rod assembly 11, and causes the first gear 4 to rotate on the first sliding rod assembly 11.
  • the first gear 4 and the second sliding rod assembly 22 move synchronously, and the first gear 4 drives the tensioning member 5 and the second body 2 to move in the same direction during rotation.
  • the second sliding rod assembly 22 when the second sliding rod assembly 22 drives the first gear 4 to move, the second sliding rod assembly 22 may have a protrusion, and the protrusion abuts against the first gear 4 close to it. one side of the first body 1. Since the first gear 4 is threaded with the first slide rod assembly 11 , when the protrusion pushes the first gear 4 away from the first body 1 , the first gear 4 can be in the first position. A sliding rod assembly 11 rotates and moves along the first sliding rod assembly 11 , that is, the synchronous movement of the first gear 4 and the second sliding rod assembly 22 is realized.
  • the tension member 5 can be threadedly matched with the first gear 4, for example, using a rotating thread, so that the third gear 4 can be threaded.
  • a gear 4 drives the tensioning member 5 to move in the same direction as the first gear 4 during rotation, and by controlling the thread size and pitch of the thread, the tensioning member 5 can be flexibly adjusted relative to the first gear 4.
  • the moving speed of the first gear 4 for example, adjust the moving speed of the tensioning member 5 to twice the moving speed of the first gear 4 to ensure that the tensile length of the elastic member 6 remains unchanged.
  • the first body 1 is a fixed body
  • the second body 2 is a movable body
  • the first slide bar assembly 11 is fixedly arranged in the first body 1 .
  • the user can hold The first body 1 then pulls the second body 2 to achieve relative sliding between the first body 1 and the second body 2 .
  • the first sliding rod assembly 11 is fixedly installed in the first body 1, for example, the first sliding rod assembly 11 is fixedly installed in the first body 1 by bolts or glue.
  • the relative stability of the first slide rod assembly 11 and the first body 1 can be ensured, so that the first gear 4 can stably rotate and rotate on the first slide rod assembly 11. move.
  • the driving component is a motor component or a cylinder component.
  • the purpose of setting the driving member is to drive the tensioning member 5 to move in the same direction as the second body 2, and the moving speed of the tensioning member 5 is equal to the movement speed of the tensioning member 5 and the second body 2. 1.8-2.2 times the relative sliding speed of the first body 1 to ensure that the change rate of the tensile length of the elastic member 6 is less than or equal to 10%.
  • the movement of the tensioning member 5 can be realized by a motor assembly or a cylinder assembly.
  • a motor assembly is provided in the second body 2 or the first body 1.
  • the output shaft of the motor assembly is connected to the tensioning member 5.
  • the output shaft of the motor assembly can drive the tensioning member 5 when extending or retracting. movement, thereby achieving the purpose of the tension member 5 and the second body 2 moving in the same direction.
  • the first body 1 includes a first support member 12, the second body 2 includes a second support member 23, and both the first support member 12 and the second support member 23 In the form of a comb-tooth structure, the first support member 12 and the second support member 23 are plug-fitted with each other to form support for the flexible screen 3 .
  • the first support member 12 and the second support member 23 will move away from or approach each other.
  • the gap formed when the member 12 and the second support member 23 are far away from each other cannot support the flexible screen 3.
  • the first support member 12 and the second support member 23 can be arranged in a comb-tooth structure and mutually connected. Plug fit means that even when the first support member 12 and the second support member 23 are far away from each other, they can still maintain a plug-in fit relationship with each other to ensure stable support for the flexible screen 3 .
  • the second sliding rod assembly 22 includes an interconnected sliding rod 221 and a scraper 222.
  • the sliding rod 221 is rotationally connected to the second support 23, and the scraper 222 is rotatably connected to the second support member 23.
  • the plate 222 is in contact with the first gear 4;
  • the sliding rod 221 is driven by the scraper 222 when moving away from the first body 1
  • the first gear 4 rotates and moves away from the first body 1 synchronously with the scraper 222 .
  • the rotational connection between the sliding rod 221 and the second support member 23 may be that a fixed base 7 is fixed on the second supporting member 23, and the sliding rod 221 is rotationally connected through a bearing on the fixed base 7. on the second support member 23 .
  • the contact between the scraper 222 and the first gear 4 may be that at least a part of the scraper 222 contacts the side of the first gear 4 close to the first body 1 .
  • the first body 1 When the first body 1 relatively slides in a direction away from the second body 2, the first body 1 can drive the sliding rod 221 away from the second body 2 through the second support member 23, and then Therefore, the scraper 222 can drive the first gear 4 away from the first body 1 together. Moreover, since the first gear 4 is threaded with the first slide rod assembly 11, the first gear 4 can move synchronously with the scraper 222 and can also rotate on the first slide rod assembly 11. , so that the first gear 4 drives the second slide rod assembly 22 to rotate.
  • the second sliding rod assembly 22 also includes a second gear 223, which is fixedly sleeved on the sliding rod 221 and meshes with the first gear 4;
  • the tensioning member 5 is sleeved on the sliding rod 221 and is threaded with the sliding rod 221.
  • the sliding rod 221 is driven to rotate through the second gear 223. , so that the tensioning member 5 and the second body 2 move in the same direction.
  • the sliding rod 221 since the second gear 223 and the sliding rod 221 are relatively fixed, when the first gear 4 drives the second gear 223 to rotate, the sliding rod 221 will also rotate with the second gear 221 . Gear 223 rotates together. Since the tensioning member 5 is sleeved on the sliding rod 221 and threadedly matched with the sliding rod 221, the sliding rod 221 can drive the tensioning member 5 and the second position when rotating. The main body 2 moves in the same direction, and according to the control of the thread size and pitch between the tensioning member 5 and the sliding rod 221, the speed at which the tensioning member 5 moves relative to the first gear 4 can be flexibly adjusted. , for example, adjust the movement speed of the tension member 5 to twice the relative sliding speed of the second body 2 and the first body 1 to ensure that the tensile length of the elastic member 6 remains unchanged.
  • the scraper 222 includes a first scraper and a second scraper, and the first scraper The gear 4 is sandwiched between the first scraper and the second scraper.
  • the flexible screen 3 can be expanded and retracted by adjusting the direction of relative sliding. Specifically, when the second body 2 and the first body 1 slide relatively far away, the flexible screen 3 can be unfolded, and when the second body 2 and the first body 1 slide relatively close, the flexible screen 3 can be unfolded. Realize the retraction of the flexible screen 3.
  • the scraper 222 can drive the first gear 4 away from or approach the first body 1 together.
  • Scrapers 222 are provided on both sides of the first gear 4, that is, the first gear 4 is sandwiched between the first scraper and the second scraper to ensure that the flexible screen When the flexible screen 3 is expanded and retracted, the tension of the elastic member 6 can be close to or remain constant, ensuring the stability and service life of the flexible screen 3 .
  • the electronic device further includes a battery cover, which includes a first battery cover 8 fixed on the first body 1 and a second battery cover 9 fixed on the second body 2 .
  • a battery cover which includes a first battery cover 8 fixed on the first body 1 and a second battery cover 9 fixed on the second body 2 .
  • the first body 1 and the second body 2 slide relative to each other, the first body 1 may be a fixed body, and the second body 2 may be a moving body.
  • the cavities formed inside the first body 1 and the second body 2 can be used to accommodate electronic components such as batteries and motherboards.
  • battery covers can be provided on the backs of the first body 1 and the second body 2.
  • a first battery can be disposed on the back of the first body 1. Cover 8, the first battery cover 8 and the first body 1 are kept relatively fixed together, a second battery cover 9 is provided on the back of the second body 2, the second battery cover 9 and the second Body 2 can slide together.
  • the electronic devices include but are not limited to smart watches, mobile phones, tablets, e-book readers, MP3 (Moving Picture Experts Group Audio Layer 3) players, MP4 players, computers, set-top boxes, smart TVs and One of the wearable devices.
  • MP3 Motion Picture Experts Group Audio Layer 3
  • MP4 Motion Picture Experts Group Audio Layer 3

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  • General Physics & Mathematics (AREA)
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Abstract

一种电子设备，包括设备主体、柔性屏（3）、驱动件和张紧件（5），设备主体包括滑动连接的第一主体（1）和第二主体（2），柔性屏（3）的固定侧连接于第一主体（1）上，柔性屏（3）的活动侧绕至第二主体（2）背离固定侧的一侧，并设置于电子设备内，活动侧通过弹性件（6）与张紧件（5）连接，驱动件与张紧件（5）连接。在第二主体（2）和第一主体（1）相对滑动的情况下，驱动件驱动张紧件（5）与第二主体（2）同向移动。

Description

电子设备
相关申请的交叉引用
本申请要求于2022年07月20日提交的申请号为202210872336.1，发明名称为“电子设备”的中国专利申请的优先权，其通过引用方式全部并入本申请。
技术领域
本申请属于电子装置技术领域，具体涉及一种电子设备。
背景技术
相关技术中，随着科技不断创新，电子设备的结构和功能不断更新迭代。以柔性屏为例，很多电子设备已经开始搭载柔性屏。柔性屏的优点很多，比如厚度薄、可折叠和可拉伸等特点。
但柔性屏的结构很弱，特别是在柔性屏的移动端连接有不断变形的固定弹簧的情况下，固定弹簧中张力的不断变化会给柔性屏的展开和缩回造成较大的阻力，同时也容易造成柔性屏和柔性屏驱动部的损坏，降低了电子设备的使用寿命。
发明内容
本申请旨在提供一种电子设备，解决现有柔性屏在展开和缩回时容易发生损坏的问题。
为了解决上述技术问题，本申请是这样实现的：
本申请实施例提出了一种电子设备，包括：
设备主体，所述设备主体包括滑动连接的第一主体和第二主体；
柔性屏、驱动件和张紧件，所述柔性屏的固定侧连接于所述第一主体 上，所述柔性屏的活动侧绕绕至所述第二主体背离所述固定侧的一侧，并设置于所述电子设备内，所述活动侧与所述张紧件连接，所述驱动件与所述张紧件连接；
在所述第二主体和所述第一主体相对滑动的情况下，所述驱动件驱动所述张紧件与所述第二主体同向移动。
在本申请实施例中提供了一种电子设备，所述电子设备包括设备主体、柔性屏、驱动件和张紧件，所述设备主体包括滑动连接的第一主体和第二主体。在所述第二主体和所述第一主体相对滑动的情况下，所述驱动件驱动所述张紧件与所述第二主体同向移动也就是在所述电子设备收展的过程中使得所述弹性件的张力接近，避免了所述弹性件的张力变化带给所述柔性屏展开或缩回的额外阻力，保证了所述柔性屏展开或缩回的稳定性和使用寿命。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本申请实施例的一种电子设备的柔性屏处于缩回状态的示意图；
图2是根据本申请实施例的一种电子设备的柔性屏处于展开状态的示意图。
附图标记：
1、第一主体；11、第一滑杆组件；12、第一支撑件；2、第二主体；
21、转轴；22、第二滑杆组件；221、滑杆；222、刮板；223、第二齿轮； 23、第二支撑件；3、柔性屏；4、第一齿轮；5、张紧件；6、弹性件；7、固定座；8、第一电池盖；9、第二电池盖。
具体实施方式
下面将详细描述本申请的实施例，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，仅用于解释本申请，而不能理解为对本申请的限制。基于本申请中的实施例，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，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”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，可以具体情况理解上述术语在本 申请中的具体含义。
下面结合图1-图2描述根据本申请实施例的电子设备。
如图1和图2所示，根据本申请一些实施例提供了一种电子设备，所述电子设备可以为具有可滑动展开和收缩的柔性屏设备，所述电子设备包括：
设备主体、柔性屏3、驱动件和张紧件5，所述设备主体包括滑动连接的第一主体1和第二主体2，比如第一主体1可以为固定中框，第二主体2可以为活动中框，第一主体1和第二主体2通过滑道和滑轨的配合实现滑动连接，所述第一主体1和所述第二主体2的相对滑动可以实现所述电子设备的收展。
所述柔性屏3的固定侧连接于所述第一主体1上，所述柔性屏3的活动侧绕至所述第二主体2背离所述固定侧的一侧，并设置于所述电子设备内，所述活动侧通过弹性件6与所述张紧件5连接，所述驱动件与所述张紧件5连接。
在一种实施例中，所述第二主体2内设置有转轴21，所述柔性屏3的固定侧固定连接于所述第一主体1上，所述柔性屏3的活动侧绕过所述转轴21，并通过拉伸状态的弹性件6连接至所述张紧件5；比如所述柔性屏3可以包括相对的所述固定侧和所述活动侧，所述转轴21在移动的同时可以进行转动，进而带动所述柔性屏3展开和缩回。
在所述第二主体2和所述第一主体1相对滑动的情况下，所述驱动件驱动所述张紧件5与所述第二主体2同向移动，也就是在所述电子设备收展的过程中可以使得所述弹性件6的张力接近，避免了所述弹性件6的张力变化带给所述柔性屏3展开或缩回的额外阻力，保证了所述柔性屏3展开或缩回的稳定性和使用寿命。
另外，在所述电子设备收展的过程中所述弹性件6的张力接近时，驱动所述柔性屏3展开或缩回的电机功率也可以保持恒定，不仅提升了电机的寿命，同时降低了电机的电量损耗。
具体地，所述张紧件5的移动速率大于所述第二主体2和所述第一主体1相对滑动的速率。
具体地，在所述驱动件驱动所述张紧件5与所述第二主体2同向移动时，由于所述柔性屏3活动侧的移动速率大于所述第二主体2和所述第一主体1相对滑动的速率。在所述电子设备收展的过程中，为了避免所述活动侧和所述张紧件5之间的所述弹性件6变形过大，可以使得所述张紧件5的移动速率大于所述第二主体2和所述第一主体1相对滑动的速率，以将所述张紧件5的移动速率匹配所述柔性屏3活动侧的移动速率，保证所述柔性屏3展开或缩回的稳定性。
在一种具体的实施例中，所述张紧件5的移动速率为所述第二主体2和所述第一主体1相对滑动速率的1.8-2.2倍，也就是所述张紧件5的移动速率接近所述第二主体2和所述第一主体1相对滑动速率的两倍，使得所述张紧件5的移动可以匹配所述柔性屏3展开或缩回的速率，保证所述弹性件6的拉伸长度变化率小于或者等于10％，也就是使得所述弹性件6的张力接近恒定，避免了所述弹性件6的张力变化带给所述柔性屏3展开或缩回的额外阻力，保证了所述柔性屏3展开或缩回的稳定性和使用寿命。
可选地，所述张紧件5的移动速率为所述第二主体2和所述第一主体1相对滑动速率的2倍，以使所述弹性件6的拉伸长度变化率小于或者等于2％。
具体地，所述弹性件6可以为弹簧或者弹性橡胶件或者弹性塑料件，所述张紧件5的移动速率为所述第二主体2和所述第一主体1相对滑动速率的2倍的情况下，所述张紧件5的移动可以完全匹配所述柔性屏3展开或缩回的速率，使得所述弹性件6的拉伸长度变化率小于或者等于2％，甚至所述弹性件6的拉伸长度基本不变，也就是所述弹性件6的张力恒定，避免了所述弹性件6的张力变化带给所述柔性屏3展开或缩回的额外阻力。
可选地，所述驱动件包括第一齿轮4，所述第一主体1内设置有朝向所述第二主体2的第一滑杆组件11，所述第二主体2内设置有朝向所述第一 主体1的第二滑杆组件22，所述第一齿轮4套接于所述第一滑杆组件11上并与所述第一滑杆组件11螺纹配合，所述张紧件5套设于所述第二滑杆组件22上并与所述第一齿轮4配合；
在所述第一主体1和所述第二主体2相对滑动的情况下，所述第二滑杆组件22带动所述第一齿轮4在所述第一滑杆组件11上旋转，并使得所述第一齿轮4与所述第二滑杆组件22同步移动，所述第一齿轮4在旋转的过程中带动所述张紧件5与所述第二主体2同向移动。
具体地，所述第二滑杆组件22带动所述第一齿轮4运动时，可以是所述第二滑杆组件22上具有凸起，该凸起抵接到所述第一齿轮4靠近所述第一主体1的一侧。由于所述第一齿轮4与所述第一滑杆组件11螺纹配合，该凸起在推动所述第一齿轮4远离所述第一主体1时，所述第一齿轮4可以在所述第一滑杆组件11上旋转的同时沿所述第一滑杆组件11移动，也就是实现了所述第一齿轮4与所述第二滑杆组件22的同步移动。
而且所述第一齿轮4在所述第一滑杆组件11上旋转时，所述张紧件5可以与所述第一齿轮4螺纹配合，比如采用旋转螺纹的配合形式，可以使得所述第一齿轮4在旋转的过程中带动所述张紧件5与所述第一齿轮4同向移动，而且通过螺纹的螺纹大小和螺距的控制，可以灵活调整所述张紧件5相对于所述第一齿轮4移动的速率，比如将所述张紧件5的移动速率调整为所述第一齿轮4移动速率的2倍，以保证所述弹性件6的拉伸长度维持不变。
可选地，参见图1和图2，所述第一主体1为固定主体，所述第二主体2为移动主体，所述第一滑杆组件11固定设置于所述第一主体1内。
具体地，所述第一主体1和所述第二主体2的相对滑动时，在所述第一主体1为固定主体，以及所述第二主体2为移动主体的情况下，用户可以握住第一主体1，然后通过拉动第二主体2来实现第一主体1和所述第二主体2的相对滑动。而所述第一滑杆组件11固定设置于所述第一主体1内时，比如第一滑杆组件11通过螺栓固定或者粘胶固定等方式固定设置于 所述第一主体1内，可以保证所述第一滑杆组件11和所述第一主体1的相对稳固，使得所述第一齿轮4可以在所述第一滑杆组件11上稳定旋转和移动。
可选地，所述驱动件为电机组件或者气缸组件。
具体地，所述驱动件的设置目的是为了驱动所述张紧件5与所述第二主体2同向移动，并且所述张紧件5的移动速率为所述第二主体2和所述第一主体1相对滑动速率的1.8-2.2倍，以保证所述弹性件6的拉伸长度变化率小于或者等于10％。而对所述张紧件5的移动可以通过电机组件或者气缸组件来实现。比如在所述第二主体2或所述第一主体1内设置电机组件，电机组件的输出轴与张紧件5连接，电机组件的输出轴在伸出或者缩回时可以带动张紧件5移动，进而实现所述张紧件5与所述第二主体2同向移动的目的。
可选地，参见图1，所述第一主体1包括第一支撑件12，所述第二主体2包括第二支撑件23，所述第一支撑件12和所述第二支撑件23均呈梳齿结构，所述第一支撑件12和所述第二支撑件23相互插接配合以对所述柔性屏3形成支撑。
具体地，所述第二主体2和所述第一主体1相对滑动时，会使得所述第一支撑件12和所述第二支撑件23相互远离或者相互靠近，为了避免所述第一支撑件12和所述第二支撑件23相互远离时形成的间隙无法对所述柔性屏3形成支撑，可以将所述第一支撑件12和所述第二支撑件23设置为梳齿结构并相互插接配合，即使所述第一支撑件12和所述第二支撑件23相互远离时仍可以保持相互插接的配合关系，以保证对所述柔性屏3的稳定支撑。
可选地，参见图1和图2，所述第二滑杆组件22包括相互连接的滑杆221和刮板222，所述滑杆221转动连接于所述第二支撑件23，所述刮板222抵接于所述第一齿轮4上；
所述滑杆221在远离所述第一主体1的过程中通过所述刮板222带动 所述第一齿轮4旋转并与所述刮板222同步远离所述第一主体1。
具体地，所述滑杆221与所述第二支撑件23的转动连接可以是，所述第二支撑件23上固定有固定座7，所述滑杆221通过固定座7上的轴承转动连接于所述第二支撑件23。所述刮板222与所述第一齿轮4上的抵接可以是所述刮板222的至少一部分抵接于所述第一齿轮4靠近所述第一主体1的一侧。
所述第一主体1向远离所述第二主体2的方向相对滑动时，所述第一主体1可以通过所述第二支撑件23带动所述滑杆221远离所述第二主体2，进而使得所述刮板222可以带动所述第一齿轮4一同远离所述第一主体1。而且由于所述第一齿轮4与所述第一滑杆组件11螺纹配合，使得所述第一齿轮4与所述刮板222同步移动的同时还可以在所述第一滑杆组件11上旋转，以便于所述第一齿轮4来带动所述第二滑杆组件22的转动。
可选地，参见图1，所述第二滑杆组件22还包括第二齿轮223，所述第二齿轮223固定套接于所述滑杆221并与所述第一齿轮4啮合；
所述张紧件5套设于所述滑杆221上并与所述滑杆221螺纹配合，所述第一齿轮4在旋转的情况下通过所述第二齿轮223带动所述滑杆221转动，以使所述张紧件5与所述第二主体2同向移动。
具体地，由于所述第二齿轮223与所述滑杆221相对固定，在所述第一齿轮4带动所述第二齿轮223转动的情况下，所述滑杆221也会和所述第二齿轮223一同转动。而由于所述张紧件5套设于所述滑杆221上并与所述滑杆221螺纹配合，所述滑杆221在转动的情况下可以驱动所述张紧件5与所述第二主体2同向移动，而且根据所述张紧件5与所述滑杆221之间的螺纹大小和螺距的控制，可以灵活调整所述张紧件5相对于所述第一齿轮4移动的速率，比如将所述张紧件5的移动速率调整为所述第二主体2和所述第一主体1相对滑动速率的2倍，以保证所述弹性件6的拉伸长度维持不变。
可选地，参见图1，所述刮板222包括第一刮板和第二刮板，所述第一 齿轮4夹设于所述第一刮板和所述第二刮板之间。
具体地，在所述第二主体2和所述第一主体1相对滑动的情况下，可以通过调整相对滑动的方向来实现所述柔性屏3的展开和缩回。具体为所述第二主体2和所述第一主体1相对远离滑动时，可以实现所述柔性屏3的展开，而所述第二主体2和所述第一主体1相对靠近滑动时，可以实现所述柔性屏3的缩回。而为了便于所述第二主体2和所述第一主体1在不同方向上相对滑动时，所述刮板222均可以带动所述第一齿轮4一同远离或者靠近所述第一主体1，可以在所述第一齿轮4的两侧均设置有刮板222，也就是将所述第一齿轮4夹设于所述第一刮板和所述第二刮板之间，保证所述柔性屏3的展开和缩回时，所述弹性件6的张力都可以接近或者保持恒定，保证了所述柔性屏3的稳定性和使用寿命。
可选地，所述电子设备还包括电池盖，所述电池盖包括固定于所述第一主体1上的第一电池盖8和固定于所述第二主体2上的第二电池盖9。
具体地，在所述第一主体1和所述第二主体2的相对滑动时，所述第一主体1可以为固定主体，以及所述第二主体2可以为移动主体。而所述第一主体1和所述第二主体2内部形成的腔体可以用于容纳电池和主板等电子组件。而为了便于电池和主板等电子组件的安装和拆卸，可以在所述第一主体1和所述第二主体2的背面设置电池盖，具体为在所述第一主体1的背面设置第一电池盖8，所述第一电池盖8和所述第一主体1一同保持相对固定，在所述第二主体2的背面设置第二电池盖9，所述第二电池盖9和所述第二主体2可以一同滑动。
可选地，所述电子设备包括但不限于智能手表、手机、平板电脑、电子书阅读器、MP3(Moving Picture Experts Group Audio Layer 3)播放器、MP4播放器、计算机、机顶盒、智能电视和可穿戴设备中的一种。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本 申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (11)

  1. 一种电子设备，包括：
    设备主体，所述设备主体包括滑动连接的第一主体和第二主体；
    柔性屏、驱动件和张紧件，所述柔性屏的固定侧连接于所述第一主体上，所述柔性屏的活动侧绕至所述第二主体背离所述固定侧的一侧，并设置于所述电子设备内，所述活动侧通过弹性件与所述张紧件连接，所述驱动件与所述张紧件连接；
    在所述第二主体和所述第一主体相对滑动的情况下，所述驱动件驱动所述张紧件与所述第二主体同向移动。
  2. 根据权利要求1所述的电子设备，其中，所述张紧件的移动速率大于所述第二主体和所述第一主体相对滑动的速率。
  3. 根据权利要求1或2所述的电子设备，其中，所述张紧件的移动速率为所述第二主体和所述第一主体相对滑动速率的2倍，以使所述弹性件的拉伸长度变化率小于或者等于2％。
  4. 根据权利要求1所述的电子设备，其中，所述驱动件包括第一齿轮，所述第一主体内设置有朝向所述第二主体的第一滑杆组件，所述第二主体内设置有朝向所述第一主体的第二滑杆组件，所述第一齿轮套接于所述第一滑杆组件上并与所述第一滑杆组件螺纹配合，所述张紧件套设于所述第二滑杆组件上并与所述第一齿轮配合；
    在所述第一主体和所述第二主体相对滑动的情况下，所述第二滑杆组件带动所述第一齿轮在所述第一滑杆组件上旋转，并使得所述第一齿轮与所述第二滑杆组件同步移动，所述第一齿轮在旋转的过程中带动所述张紧件与所述第二主体同向移动。
  5. 根据权利要求4所述的电子设备，其中，所述第一主体为固定主体，所述第二主体为移动主体，所述第一滑杆组件固定设置于所述第一主体内。
  6. 根据权利要求1所述的电子设备，其中，所述驱动件为电机组件或 者气缸组件。
  7. 根据权利要求4所述的电子设备，其中，所述第一主体包括第一支撑件，所述第二主体包括第二支撑件，所述第一支撑件和所述第二支撑件均呈梳齿结构，所述第一支撑件和所述第二支撑件相互插接配合以对所述柔性屏形成支撑。
  8. 根据权利要求7所述的电子设备，其中，所述第二滑杆组件包括相互连接的滑杆和刮板，所述滑杆转动连接于所述第二支撑件上，所述刮板抵接于所述第一齿轮上；
    所述滑杆在远离所述第一主体的过程中通过所述刮板带动所述第一齿轮旋转，并使所述第一齿轮与所述刮板同步远离所述第一主体。
  9. 根据权利要求8所述的电子设备，其中，所述第二滑杆组件还包括第二齿轮，所述第二齿轮固定套接于所述滑杆并与所述第一齿轮啮合；
    所述张紧件套设于所述滑杆上并与所述滑杆螺纹配合，所述第一齿轮在旋转的情况下通过所述第二齿轮带动所述滑杆转动，以使所述张紧件与所述第二主体同向移动。
  10. 根据权利要求8所述的电子设备，其中，所述刮板包括第一刮板和第二刮板，所述第一齿轮夹设于所述第一刮板和所述第二刮板之间。
  11. 根据权利要求1所述的电子设备，其中，还包括电池盖，所述电池盖包括固定于所述第一主体上的第一电池盖和固定于所述第二主体上的第二电池盖。
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