CN111951684B - Telescopic mechanism and electronic equipment - Google Patents

Telescopic mechanism and electronic equipment Download PDF

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CN111951684B
CN111951684B CN202010864049.7A CN202010864049A CN111951684B CN 111951684 B CN111951684 B CN 111951684B CN 202010864049 A CN202010864049 A CN 202010864049A CN 111951684 B CN111951684 B CN 111951684B
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rack
connecting rod
telescopic
gear
link
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CN111951684A (en
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张宪栋
蒋厚生
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to PCT/CN2021/113259 priority patent/WO2022042394A1/en
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    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Telephone Set Structure (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

本申请提供一种伸缩机构及电子设备，所述伸缩机构包括齿轮、齿条和连杆，所述齿轮和所述齿条啮合连接，所述连杆的一端与所述齿条连接；在所述齿轮转动的过程中，所述连杆的连接所述齿条的一端沿第一方向移动，所述连杆的远离所述齿条的一端沿第二方向移动，所述第一方向与所述第二方向垂直。本申请提供的方案解决了现有的大屏幕电子设备存在厚度大、占用携带空间大的问题。

Figure 202010864049

The present application provides a telescopic mechanism and electronic equipment, the telescopic mechanism includes a gear, a rack and a connecting rod, the gear and the rack are meshed and connected, and one end of the connecting rod is connected with the rack; During the rotation of the gear, the end of the connecting rod connected to the rack moves in a first direction, and the end of the connecting rod away from the rack moves in a second direction, the first direction and the The second direction is vertical. The solution provided by the present application solves the problems of large thickness and large carrying space in the existing large-screen electronic equipment.

Figure 202010864049

Description

伸缩机构及电子设备Telescopic mechanism and electronic equipment

技术领域technical field

本申请涉及通信技术领域，尤其涉及一种伸缩机构及电子设备。The present application relates to the field of communication technologies, and in particular, to a telescopic mechanism and an electronic device.

背景技术Background technique

随着电子设备功能的越来越强大，使用电子设备的用户也越来越多，人们对于电子设备外观及实用性上的要求也越来越高。目前，为实现电子设备的大屏幕需求，通常是将电子设备设计成可折叠形式，在电子设备处于展开状态时能够具有较大屏幕。但是，可折叠电子设备在处于折叠状态被用户携带时，通常具有较大的厚度，而展开状态的电子设备也需要较大的携带空间。因此，现有的大屏幕电子设备存在厚度大、占用携带空间大的问题。As the functions of electronic devices become more and more powerful, more and more users use the electronic devices, and people have higher and higher requirements on the appearance and practicability of the electronic devices. At present, in order to meet the requirement of a large screen of an electronic device, the electronic device is usually designed in a foldable form, and can have a larger screen when the electronic device is in an unfolded state. However, when a foldable electronic device is carried by a user in a folded state, it usually has a relatively large thickness, and the electronic device in an unfolded state also requires a relatively large carrying space. Therefore, the existing large-screen electronic devices have the problems of large thickness and large carrying space.

发明内容SUMMARY OF THE INVENTION

本申请实施例的目的是提供一种伸缩机构及电子设备，能够解决现有的大屏幕电子设备存在厚度大、占用携带空间大的问题。The purpose of the embodiments of the present application is to provide a telescopic mechanism and an electronic device, which can solve the problems of large thickness and large carrying space in the existing large-screen electronic devices.

为解决上述技术问题，本申请是这样实现的：In order to solve the above-mentioned technical problems, the present application is implemented as follows:

第一方面，本申请实施例提供了一种伸缩机构，所述伸缩机构包括齿轮、齿条和连杆，所述齿轮和所述齿条啮合连接，所述连杆的一端与所述齿条连接；In a first aspect, an embodiment of the present application provides a telescopic mechanism, the telescopic mechanism includes a gear, a rack and a connecting rod, the gear and the rack are meshed and connected, and one end of the connecting rod is connected to the rack connect;

在所述齿轮转动的过程中，所述连杆的连接所述齿条的一端沿第一方向移动，所述连杆的远离所述齿条的一端沿第二方向移动，所述第一方向与所述第二方向垂直。During the rotation of the gear, the end of the connecting rod connected to the rack moves in a first direction, and the end of the connecting rod away from the rack moves in a second direction, the first direction perpendicular to the second direction.

第二方面，本申请实施例还提供了一种电子设备，包括壳体、显示屏及如第一方面所述的伸缩机构，所述显示屏覆盖于所述壳体上，所述壳体包括第一壳体部和第二壳体部，所述第一壳体部与所述第二壳体部活动连接；In a second aspect, an embodiment of the present application further provides an electronic device, including a casing, a display screen, and the telescopic mechanism according to the first aspect, the display screen is covered on the casing, and the casing includes a first casing part and a second casing part, the first casing part is movably connected with the second casing part;

其中，所述伸缩机构的齿轮与所述第一壳体部固定连接，所述连杆的远离所述齿条的一端与所述第二壳体部连接；Wherein, the gear of the telescopic mechanism is fixedly connected with the first housing part, and the end of the connecting rod away from the rack is connected with the second housing part;

在所述齿轮转动的过程中，所述连杆推动所述第二壳体部沿第二方向移动，所述第一壳体部与所述第二壳体部之间的距离逐渐增大或逐渐减小，以带动所述柔性显示屏的显示面积逐渐增大或逐渐减小。During the rotation of the gear, the connecting rod pushes the second housing part to move in the second direction, and the distance between the first housing part and the second housing part gradually increases or gradually decrease, so as to drive the display area of the flexible display screen to gradually increase or decrease.

本申请实施例提供的伸缩机构，齿条与齿轮啮合，齿条的一端连接有连杆，当齿轮转动而带动齿条伸缩时，能够带动连杆运动，且连杆的两端的运动方向相互垂直，进而当连杆的远离齿条的一端连接有其他器件的情况下，也就能够推动其他器件的运动，例如推动其他器件实现伸缩运动，减小其他器件的整体体积和占用空间。In the telescopic mechanism provided by the embodiment of the present application, the rack is meshed with the gear, and one end of the rack is connected with a connecting rod. When the gear rotates to drive the rack to expand and contract, it can drive the connecting rod to move, and the movement directions of the two ends of the connecting rod are perpendicular to each other. , and further when other devices are connected to the end of the connecting rod away from the rack, the other devices can be pushed to move, for example, the other devices can be pushed to achieve telescopic motion, and the overall volume and occupied space of the other devices can be reduced.

附图说明Description of drawings

图1是本申请实施例提供的一种伸缩机构的结构图；1 is a structural diagram of a telescopic mechanism provided by an embodiment of the present application;

图2是图1中A的放大图；Fig. 2 is the enlarged view of A in Fig. 1;

图3是本申请实施例提供的伸缩机构中第一连杆的结构图；3 is a structural diagram of a first link in a telescopic mechanism provided by an embodiment of the present application;

图4是本申请实施例提供的一种电子设备处于收缩状态的结构图之一；4 is one of the structural diagrams of an electronic device in a retracted state provided by an embodiment of the present application;

图5是本申请实施例提供的一种电子设备处于伸长状态的结构图之一；5 is one of the structural diagrams of an electronic device provided in an embodiment of the present application in an extended state;

图6是本申请实施例提供的一种电子设备处于伸长状态的结构图之二；6 is the second structural diagram of an electronic device provided in an embodiment of the present application in an extended state;

图7是本申请实施例提供的一种电子设备处于伸长状态的剖视图；7 is a cross-sectional view of an electronic device provided in an embodiment of the present application in an extended state;

图8是本申请实施例提供的一种电子设备处于收缩状态的结构图之二；FIG. 8 is the second structural diagram of an electronic device in a retracted state provided by an embodiment of the present application;

图9是本申请实施例提供的一种电子设备处于收缩状态的剖视图。FIG. 9 is a cross-sectional view of an electronic device provided in an embodiment of the present application in a retracted state.

具体实施方式Detailed ways

下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。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取的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”等所区分的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。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。The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between "first", "second", etc. The objects are usually of one type, and the number of objects is not limited. For example, the first object may be one or more than one. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的伸缩机构及电子设备进行详细地说明。The telescopic mechanism and the electronic device provided by the embodiments of the present application will be described in detail below through specific embodiments and application scenarios with reference to the accompanying drawings.

本申请实施例提供了一种伸缩机构。请参照图1至图9，伸缩机构30包括齿轮34、齿条和连杆，所述齿轮34和所述齿条啮合连接，所述连杆的一端与所述齿条连接；在所述齿轮34转动的过程中，所述连杆的连接所述齿条的一端沿第一方向移动，所述连杆的远离所述齿条的一端沿第二方向移动，所述第一方向与所述第二方向垂直。The embodiment of the present application provides a telescopic mechanism. 1 to 9, the telescopic mechanism 30 includes a gear 34, a rack and a connecting rod, the gear 34 is meshed with the rack, and one end of the connecting rod is connected with the rack; 34 During the rotation process, the end of the connecting rod connected to the rack moves in a first direction, and the end of the connecting rod away from the rack moves in a second direction, the first direction and the The second direction is vertical.

本申请实施例提供的伸缩机构30中，齿条与齿轮34啮合，齿条的一端连接有连杆，当齿轮34转动而带动齿条伸缩时，能够带动连杆运动，且连杆的两端的运动方向相互垂直，进而当连杆的远离齿条的一端连接有其他器件的情况下，也就能够推动其他器件的运动，例如推动其他器件实现伸缩运动，减小其他器件的整体体积和占用空间。In the telescopic mechanism 30 provided in the embodiment of the present application, the rack is meshed with the gear 34, and one end of the rack is connected with a connecting rod. The movement directions are perpendicular to each other, and when the end of the connecting rod away from the rack is connected with other devices, it can also push other devices to move, such as pushing other devices to achieve telescopic motion, reducing the overall volume and occupied space of other devices. .

例如，所述伸缩机构30应用于电子设备中，连杆的远离齿条的一端与电子设备的壳体10连接，进而当齿轮34转动时，也就会带动连杆运动，连杆在第一方向上实现与齿条同方向的运动，连杆在第二方向上的运动，可以是推动壳体10实现伸缩运动，例如推动壳体10在收缩状态和伸长状态之间切换。这样，也就使得电子设备能够在大体积与小体积之间切换，更加方便用户对电子设备的使用和携带。For example, when the telescopic mechanism 30 is used in electronic equipment, the end of the connecting rod away from the rack is connected to the housing 10 of the electronic equipment, and when the gear 34 rotates, it will also drive the connecting rod to move, and the connecting rod is in the first The movement in the same direction as the rack and the movement of the connecting rod in the second direction may be to push the casing 10 to realize the telescopic movement, for example, to push the casing 10 to switch between the retracted state and the extended state. In this way, the electronic device can be switched between a large volume and a small volume, which is more convenient for the user to use and carry the electronic device.

进一步地，电子设备的壳体10可以是设置有柔性显示屏20，当壳体10在收缩状态和伸长状态之间切换时，柔性显示屏20可以是相应在较小显示面积和较大显示面积之间切换。这样，电子设备也就能够满足用户对于大屏幕的需求，相比于折叠式的电子设备具有较大的厚度，本申请通过伸缩机构30的运动，来实现电子设备壳体10和柔性显示屏20显示面积的变化，使得电子设备的厚度更小，更方便用户携带。Further, the housing 10 of the electronic device may be provided with a flexible display screen 20, and when the housing 10 is switched between the retracted state and the extended state, the flexible display screen 20 may be correspondingly in a smaller display area and a larger display area switch between. In this way, the electronic device can also meet the user's demand for a large screen. Compared with the foldable electronic device, which has a larger thickness, the present application realizes the electronic device housing 10 and the flexible display screen 20 through the movement of the telescopic mechanism 30 . The change of the display area makes the thickness of the electronic device smaller and more convenient for the user to carry.

需要说明的是，本申请实施例所提供的电子设备为具备显示功能的电子设备，如手机、平板电脑、笔记本电脑、可穿戴设备、智能电视等，本申请对此不做具体限定。It should be noted that the electronic devices provided by the embodiments of the present application are electronic devices with display functions, such as mobile phones, tablet computers, notebook computers, wearable devices, smart TVs, etc., which are not specifically limited in the present application.

为更好地对本申请提供的伸缩机构的技术特征及有益效果进行说明，以下实施例中将以所述伸缩机构应用于电子设备进行具体描述。In order to better illustrate the technical features and beneficial effects of the telescopic mechanism provided by the present application, the following embodiments will specifically describe the application of the telescopic mechanism to an electronic device.

请进一步参照图6，电子设备的壳体10包括第一壳体部11和第二壳体部12，所述连杆包括第一连杆301和第二连杆302；所述第一连杆301与所述第一壳体部11连接，所述第二连杆302与所述第二壳体部12连接，且第一连杆301及第二连杆302连接与齿条的同一位点，在所述齿轮34转动的过程中，第一连杆301和第二连杆302之间的夹角逐渐增大或者逐渐减小。其中，在所述第一连杆301和所述第二连杆302之间呈第一夹角时，所述第一壳体部11与所述第二壳体部12相隔第一距离；在所述第一连杆301和所述第二连杆302之间呈第二夹角时，所述第一壳体部11与所述第二壳体部12相隔第二距离；所述第一夹角大于所述第二夹角，所述第一距离大于所述第二距离。这样，通过两个连杆的设置，也就能够更好地推动壳体实现伸缩运动。Please further refer to FIG. 6 , the housing 10 of the electronic device includes a first housing part 11 and a second housing part 12 , and the connecting rod includes a first connecting rod 301 and a second connecting rod 302 ; the first connecting rod 301 is connected to the first housing part 11, the second link 302 is connected to the second housing part 12, and the first link 301 and the second link 302 are connected to the same position of the rack , during the rotation of the gear 34, the angle between the first connecting rod 301 and the second connecting rod 302 gradually increases or decreases gradually. Wherein, when a first included angle is formed between the first connecting rod 301 and the second connecting rod 302, the first housing portion 11 and the second housing portion 12 are separated by a first distance; When a second included angle is formed between the first connecting rod 301 and the second connecting rod 302, the first housing part 11 and the second housing part 12 are separated by a second distance; the first The included angle is greater than the second included angle, and the first distance is greater than the second distance. In this way, through the arrangement of the two connecting rods, the casing can be better pushed to realize the telescopic movement.

其中，伸缩机构30的第一连杆301连接第一壳体部11，第二连杆302连接第二壳体部12，齿条可以是驱动第一连接杆301和/或第二连接杆302运动，以使得第一连接杆301和第二连接杆302在第一夹角和第二夹角之间切换。例如，第一连接杆301相对于齿条可以是固定设置，只有第二连接杆302是可活动的，以使得第一连接杆301与第二连接杆302之间的夹角发生变化；第一连接杆301固定，那么第一壳体部11也就不会发生运动，通过第二连接杆302的运动来推动第二壳体部12运动，进而以使得第一壳体部11和第二壳体部12之间的间隔距离发生变化。第一壳体部11和第二壳体部12间隔第一距离时，电子设备处于第一状态，柔性显示屏20显示第一显示面积；第一连接杆301和第二连接杆302间隔第二距离时，电子设备处于第二状态，柔性显示屏20显示第二显示面积。The first link 301 of the telescopic mechanism 30 is connected to the first housing part 11 , the second link 302 is connected to the second housing part 12 , and the rack can drive the first connecting rod 301 and/or the second connecting rod 302 Move, so that the first connecting rod 301 and the second connecting rod 302 switch between the first angle and the second angle. For example, the first connecting rod 301 may be fixed relative to the rack, and only the second connecting rod 302 is movable, so that the angle between the first connecting rod 301 and the second connecting rod 302 changes; If the connecting rod 301 is fixed, the first housing part 11 will not move, and the movement of the second connecting rod 302 pushes the second housing part 12 to move, so that the first housing part 11 and the second housing part 12 are moved. The separation distance between the bodies 12 varies. When the first housing part 11 and the second housing part 12 are separated by a first distance, the electronic device is in the first state, and the flexible display screen 20 displays the first display area; the first connecting rod 301 and the second connecting rod 302 are separated by a second At the distance, the electronic device is in the second state, and the flexible display screen 20 displays the second display area.

可以理解地，在其他的一些实施方式中，齿条也可以是只驱动第一连接杆301运动，或者是同时驱动第一连接杆301和第二连接杆302运动，此处不再赘述。本申请实施例中，齿条通过驱动第一连接杆301和/或第二连接杆302运动，进而以带动第一壳体部11和/或第二壳体部12运动，使得壳体10在伸长状态和收缩状态之间切换。It can be understood that, in other embodiments, the rack can also only drive the first connecting rod 301 to move, or simultaneously drive the first connecting rod 301 and the second connecting rod 302 to move, which will not be repeated here. In the embodiment of the present application, the rack drives the first connecting rod 301 and/or the second connecting rod 302 to move, thereby driving the first housing part 11 and/or the second housing part 12 to move, so that the housing 10 is Toggles between stretched and contracted states.

请再次参照图1至图6，所述齿条包括第一齿条311和第二齿条312，第一齿条311和第二齿条312相对设置于所述齿轮34的两侧；在所述齿轮34转动的过程中，第一齿条311和第二齿条312的运动方向相反。可选的，第一连杆310和第二连杆302可以是与第一齿条311连接，或者也可以是与第二齿条312连接。Referring again to FIGS. 1 to 6 , the rack includes a first rack 311 and a second rack 312 , and the first rack 311 and the second rack 312 are oppositely disposed on both sides of the gear 34 ; During the rotation of the gear 34, the moving directions of the first rack 311 and the second rack 312 are opposite. Optionally, the first link 310 and the second link 302 may be connected to the first rack 311 , or may also be connected to the second rack 312 .

进一步地，所述连杆还包括第三连杆303和第四连杆304，第三连杆303和第四连杆304连接于第二齿条312的同一位点，第一连杆301和第二连杆302连接于第一齿条311的同一位点；在所述齿轮34转动的过程中，第三连杆303和第四连杆304之间的夹角逐渐增大或者逐渐减小。Further, the connecting rod further includes a third connecting rod 303 and a fourth connecting rod 304, the third connecting rod 303 and the fourth connecting rod 304 are connected to the same position of the second rack 312, the first connecting rod 301 and The second link 302 is connected to the same position of the first rack 311; during the rotation of the gear 34, the angle between the third link 303 and the fourth link 304 gradually increases or decreases gradually .

可以理解地，第一齿条311和第二齿条312分别位于齿轮34的相对两侧，则齿轮34的转动，也就会同时带动第一齿条311和第二齿条312向相反的两个方向运动；而第一齿条311的运动会推动第一连杆301和第二连杆302之间的夹角逐渐增大或逐渐减小，而同时第二齿条312的运动会推动第三连杆303和第四连杆304之间的夹角逐渐增大或者逐渐减小，且两个夹角的角度一致。Understandably, the first rack 311 and the second rack 312 are located on opposite sides of the gear 34, respectively, and the rotation of the gear 34 will simultaneously drive the first rack 311 and the second rack 312 to the opposite sides. The movement of the first rack 311 will push the angle between the first link 301 and the second link 302 to gradually increase or decrease, and at the same time the movement of the second rack 312 will push the third link The included angle between the rod 303 and the fourth link 304 gradually increases or decreases gradually, and the angles of the two included angles are the same.

具体地，第三连杆303可以是与第一壳体部11连接，第四连杆304与第二壳体部12连接，第二齿条312连接第三连杆303及第四连杆304，用于驱动第三连杆303和第四连杆304在第三夹角与第四夹角之间切换，以驱动壳体处于伸长状态或收缩状态。其中，在第三连杆303和第四连杆304之间呈第三夹角时，第一连杆301与第二连杆302之间呈第一夹角；在第三连杆303和第四连杆304之间呈第四夹角时，第一连杆301和第二连杆302之间呈第二夹角；第三夹角与第一夹角相等，第四夹角与第二夹角相等。Specifically, the third link 303 can be connected to the first housing part 11 , the fourth link 304 can be connected to the second housing part 12 , and the second rack 312 can be connected to the third link 303 and the fourth link 304 , which is used to drive the third link 303 and the fourth link 304 to switch between the third angle and the fourth angle, so as to drive the casing to be in an extended state or a retracted state. Wherein, when the third link 303 and the fourth link 304 form a third angle, the first link 301 and the second link 302 form a first angle; When the fourth link 304 forms a fourth angle, the first link 301 and the second link 302 form a second angle; the third angle is equal to the first angle, and the fourth angle is equal to the second The angles are equal.

也就是说，第一连杆301及第三连杆303均与第一壳体部11连接，第二连杆302及第四连杆304均与第二壳体部12连接，第二齿条312能够驱动第三连杆303和/或第四连杆304运动，以使得第三连杆303和第四连杆304在第三夹角和第四夹角之间切换；并且，第二齿条312在驱动第三连杆303和/或第四连杆304运动的同时，第一齿条311够驱动第一连杆301和/或第二连杆302运动，以使得第一壳体部11和第二壳体部12之间的间隔距离发生变化。其中，第一连杆301和第三连杆303可以是分别连接第一壳体部11的相对两侧边，第二连杆302和第四连杆304可以是分别连接第二壳体部12的相对两侧边。That is to say, the first link 301 and the third link 303 are both connected to the first housing part 11 , the second link 302 and the fourth link 304 are both connected to the second housing part 12 , and the second rack 312 can drive the third link 303 and/or the fourth link 304 to move, so that the third link 303 and the fourth link 304 switch between the third angle and the fourth angle; and, the second tooth While the bar 312 drives the third link 303 and/or the fourth link 304 to move, the first rack 311 is capable of driving the first link 301 and/or the second link 302 to move, so that the first housing part The separation distance between 11 and the second housing part 12 varies. Wherein, the first link 301 and the third link 303 may be connected to opposite sides of the first housing part 11 respectively, and the second link 302 and the fourth link 304 may be connected to the second housing part 12 respectively the opposite sides of the .

在一种可选的实施方式中，第三连杆303相对于第二齿条312可以是固定设置，第二齿条312用于驱动第四连杆304运动，那么也就会驱动第二壳体部12运动，以使得第二壳体部12与第一壳体部11之间的间隔距离发生变化。当第一壳体部11和第二壳体部12间隔第一距离时，第一连杆301和第二连杆302之间呈第一夹角，第三连杆303和第四连杆304之间呈第三夹角，此时壳体10处于伸长状态，柔性显示屏20显示第一显示面积；当第一壳体部11和第二壳体部12间隔第二距离时，第一连杆301和第二连杆302之间呈第二夹角，第三连杆303和第四连杆304之间呈第四夹角，此时壳体10处于收缩状态，柔性显示屏20显示第二显示面积。In an optional embodiment, the third link 303 may be fixed relative to the second rack 312, and the second rack 312 is used to drive the fourth link 304 to move, and then it will also drive the second shell The body portion 12 is moved such that the separation distance between the second housing portion 12 and the first housing portion 11 changes. When the first housing part 11 and the second housing part 12 are separated by a first distance, a first included angle is formed between the first link 301 and the second link 302 , the third link 303 and the fourth link 304 There is a third included angle between them. At this time, the casing 10 is in an extended state, and the flexible display screen 20 displays the first display area; when the first casing part 11 and the second casing part 12 are separated by a second distance, the first A second angle is formed between the connecting rod 301 and the second connecting rod 302, and a fourth angle is formed between the third connecting rod 303 and the fourth connecting rod 304. At this time, the housing 10 is in a retracted state, and the flexible display screen 20 displays The second display area.

需要说明的是，在其他的一些实施方式中第一齿条311和第二齿条312可以是驱动四个连杆同时运动，此处不再赘述。相比于只设置两个连杆，本申请实施例中，通过设置四个连杆，第一壳体部11和第二壳体部12的相对两侧边均连接有一个连杆，确保了第一壳体部11和第二壳体部12在运动过程中的稳定性，也提高了第一壳体部11和第二壳体部12运动的顺畅性。It should be noted that, in other embodiments, the first rack 311 and the second rack 312 may drive the four links to move simultaneously, which will not be repeated here. Compared with only two connecting rods, in the embodiment of the present application, by setting four connecting rods, one connecting rod is connected to the opposite sides of the first housing part 11 and the second housing part 12, which ensures that the The stability of the first casing part 11 and the second casing part 12 during the movement also improves the smoothness of the movement of the first casing part 11 and the second casing part 12 .

在一种可选的实施方式中，齿轮34可以是固定在壳体10内，且齿轮34还可以是连接有马达35，马达35与电子设备的处理器连接。可以理解地，处理器可以控制马达35正转或反转，进而以驱动齿轮34正转或反转。例如，当齿轮34正转时，驱动第一齿条311朝向第一方向运动，并驱动第二齿条312朝向第二方向运动；当齿轮34反转时，则驱动第一齿条311朝向第二方向运动，并驱动第二齿条312朝向第一方向运动。这样，也就通过齿轮34与第一齿条311及第二齿条312的配合，最终以驱动电子设备在第一状态和第二状态之间切换，以使得电子设备能够根据用户需求实现大屏显示或是较小的显示面积，提高了电子设备的灵活性；且在显示较小的显示面积时，电子设备整体体积较小，无需占用较大空间，更方便客户携带。In an optional embodiment, the gear 34 may be fixed in the housing 10, and the gear 34 may also be connected with a motor 35, and the motor 35 is connected with the processor of the electronic device. It can be understood that the processor can control the motor 35 to rotate forward or reverse, so as to drive the gear 34 to rotate forward or reverse. For example, when the gear 34 rotates forward, the first rack 311 is driven to move toward the first direction, and the second rack 312 is driven to move toward the second direction; when the gear 34 is reversed, the first rack 311 is driven toward the second direction. It moves in two directions, and drives the second rack 312 to move toward the first direction. In this way, through the cooperation of the gear 34 with the first rack 311 and the second rack 312 , the electronic device is finally driven to switch between the first state and the second state, so that the electronic device can realize a large screen according to user requirements. The display or smaller display area improves the flexibility of the electronic device; and when the smaller display area is displayed, the overall volume of the electronic device is smaller, does not need to occupy a large space, and is more convenient for customers to carry.

请结合图1至图6，伸缩机构30还包括固定件，齿轮34与固定件固定连接，所述固定件包括相对设置的第一侧边321和第二侧边322，所述第一齿条311与所述第一侧边321活动连接并能够相对于所述第一侧边321运动，所述第二齿条312与所述第二侧边322活动连接并能够相对于所述第二侧边322运动。也就是说，第一侧边321和第二侧边322是固定不动的，第一齿条311与第一侧边321活动连接，例如第一齿条311上设有导轨，第一侧边321上设有与导轨适配的导槽，进而第一齿条311能够相对于第一侧边321在第一方向和第二方向上运动。可选地，第二侧边322和第二齿条312也可以是采用相同的方式实现连接，第二齿条312也能够相对于第二侧边322在第一方向和第二方向上运动。这样，通过第一侧边321和第二侧边322的设置，确保了第一齿条311和第二齿条312在壳体10内的安装稳固性，也确保了第一齿条311和第二齿条312运动方向不会发生偏离，从而保障电子设备能准确地在第一状态和第二状态之间切换。Please refer to FIG. 1 to FIG. 6 , the telescopic mechanism 30 further includes a fixing member, the gear 34 is fixedly connected with the fixing member, and the fixing member includes a first side 321 and a second side 322 arranged oppositely, the first rack 311 is movably connected with the first side 321 and can move relative to the first side 321, and the second rack 312 is movably connected with the second side 322 and can move relative to the second side Edge 322 movement. That is to say, the first side 321 and the second side 322 are fixed, and the first rack 311 is movably connected to the first side 321. For example, the first rack 311 is provided with a guide rail, and the first side 321 is provided with a guide groove adapted to the guide rail, so that the first rack 311 can move relative to the first side 321 in the first direction and the second direction. Optionally, the second side 322 and the second rack 312 can also be connected in the same manner, and the second rack 312 can also move relative to the second side 322 in the first direction and the second direction. In this way, through the arrangement of the first side 321 and the second side 322, the installation stability of the first rack 311 and the second rack 312 in the housing 10 is ensured, and the first rack 311 and the second rack 312 are also ensured. The movement direction of the two racks 312 will not deviate, so as to ensure that the electronic device can switch between the first state and the second state accurately.

可选地，所述伸缩机构30还包括第一伸缩件331，所述第一伸缩件331的第一端与所述固定件的第一侧边321连接，所述第一伸缩件331的第二端与被驱动件连接，例如与壳体10的第一壳体部11连接，所述连杆远离所述齿条的一端与所述被驱动件连接；所述连杆驱动所述被驱动件沿第二方向移动的过程中，所述被驱动件带动所述第一伸缩件331沿所述第二方向伸展或收缩。本申请实施例中，以所述被驱动件为壳体为例进行说明。连杆的远离齿条的一端可以是与壳体的第一壳体部11连接，当连杆驱动第一壳体部11向第二方向运动时，由于第一伸缩件331的一端与第一壳体部11连接，进而第一壳体部11的运动也就会带动第一伸缩件331向第二方向伸展或收缩。Optionally, the telescopic mechanism 30 further includes a first telescopic member 331 , the first end of the first telescopic member 331 is connected to the first side 321 of the fixing member, and the first end of the first telescopic member 331 is connected to the first side edge 321 of the fixing member. The two ends are connected to the driven member, for example, to the first housing part 11 of the housing 10, and the end of the connecting rod away from the rack is connected to the driven member; the connecting rod drives the driven member During the movement of the moving member in the second direction, the driven member drives the first telescopic member 331 to expand or contract along the second direction. In the embodiments of the present application, the driven member is a casing as an example for description. The end of the connecting rod away from the rack can be connected to the first housing part 11 of the housing. When the connecting rod drives the first housing part 11 to move in the second direction, because one end of the first telescopic member 331 is connected to the first The casing parts 11 are connected, and the movement of the first casing part 11 will also drive the first telescopic element 331 to expand or contract in the second direction.

可选的，所述伸缩机构30还包括第二伸缩件332，所述第二伸缩件332的第一端与所述第二侧边322连接，所述第二伸缩件332的第二端与所述壳体10的第二壳体部12连接；所述连杆驱动第二壳体部12沿第二方向移动的过程中，所述第二壳体部12带动所述第二伸缩件332沿所述第二方向伸展或收缩。Optionally, the telescopic mechanism 30 further includes a second telescopic member 332, the first end of the second telescopic member 332 is connected to the second side edge 322, and the second end of the second telescopic member 332 is connected to the second side edge 322. The second housing portion 12 of the housing 10 is connected; when the connecting rod drives the second housing portion 12 to move in the second direction, the second housing portion 12 drives the second telescopic member 332 expand or contract in the second direction.

如上所述的，齿条311可以是驱动第一连杆301和第二连杆302中的至少一者运动，进而也就会相应地驱动第一伸缩件331和第二伸缩件332中的至少一者实现伸缩运动，在所述第一伸缩件331和/或所述第二伸缩件332处于伸长状态时，所述第一壳体部11与所述第二壳体部12之间相隔所述第一距离；在所述第一伸缩件331和/或所述第二伸缩件332处于缩短状态时，所述第一壳体部11与所述第二壳体部12之间相隔所述第二距离。As described above, the rack 311 may drive at least one of the first link 301 and the second link 302 to move, and then drive at least one of the first telescopic member 331 and the second telescopic member 332 accordingly. One is to achieve telescopic motion, and when the first telescopic element 331 and/or the second telescopic element 332 are in an extended state, the first casing part 11 and the second casing part 12 are spaced apart The first distance; when the first telescopic element 331 and/or the second telescopic element 332 is in a shortened state, the first casing part 11 and the second casing part 12 are separated by a distance the second distance.

本申请实施例中，第一伸缩件331的两端分别连接第一壳体部11和第一侧边321，第二伸缩件332的两端分别连接第二壳体部12和第二侧边322，第一伸缩件331和第二伸缩件332能够实现伸缩运动。其中，在电子设备处于第一状态时，壳体10处于伸长状态，第一壳体部11和第二壳体部12之间相隔所述第一距离，此时第一伸缩件331和第二伸缩件332中的至少一者处于伸长状态。例如，在第一齿条311和第二齿条312分别仅驱动第一连杆301和第三连杆303运动时，则此时第一伸缩件331处于伸长状态，第二伸缩件332可以是处于收缩状态；若第一齿条311和第二齿条312还驱动第二连杆302和第四连杆304运动，则第一伸缩件331和第二伸缩件332都处于伸长状态；若第一齿条311和第二齿条312分别仅驱动第二连杆302和第四连杆304运动，则此时第二伸缩件332处于伸长状态，第一伸缩件331可以是处于收缩状态。In the embodiment of the present application, both ends of the first telescopic member 331 are respectively connected to the first housing portion 11 and the first side edge 321 , and both ends of the second telescopic member 332 are respectively connected to the second housing portion 12 and the second side edge 322, the first telescopic element 331 and the second telescopic element 332 can realize telescopic motion. Wherein, when the electronic device is in the first state, the housing 10 is in the extended state, and the first housing part 11 and the second housing part 12 are separated by the first distance. At least one of the two telescopic elements 332 is in an extended state. For example, when the first rack 311 and the second rack 312 only drive the first link 301 and the third link 303 to move, the first telescopic member 331 is in an extended state, and the second telescopic member 332 can is in a retracted state; if the first rack 311 and the second rack 312 also drive the second link 302 and the fourth link 304 to move, both the first telescopic member 331 and the second telescopic member 332 are in an extended state; If the first rack 311 and the second rack 312 only drive the second link 302 and the fourth link 304 to move, then the second telescopic member 332 is in an extended state, and the first telescopic member 331 may be in a retracted state state.

第一伸缩件331和第二伸缩件332的设置，加强了第一侧边321、第一壳体部11、第二侧边322和第二壳体部12的安装稳固性，也能对第一壳体部11和第二壳体部12起到支撑作用，避免第一壳体部11和第二壳体部12因反复运动而可能出现的弯曲或变形。可选地，第一伸缩件331和第二伸缩件332可以是弹簧。The arrangement of the first telescopic piece 331 and the second telescopic piece 332 strengthens the installation stability of the first side edge 321, the first housing part 11, the second side edge 322 and the second housing part 12, and can also protect the The first housing part 11 and the second housing part 12 play a supporting role to avoid possible bending or deformation of the first housing part 11 and the second housing part 12 due to repeated movements. Optionally, the first telescopic element 331 and the second telescopic element 332 may be springs.

本申请实施例中，所述第一伸缩件331包括第一连接件3311和第一活动件3312，所述第一连接件3311的靠近所述第一侧边321的一端为所述第一伸缩件331的第一端，所述第一活动件3312的远离所述第一侧边321的一端为所述第一伸缩件331的第二端，所述第一活动件3312与所述第一连接件3311活动连接，并能够像相对于所述第一连接件3311活动以使所述第一伸缩件331沿所述第二方向伸展或收缩。In the embodiment of the present application, the first telescopic member 331 includes a first connecting member 3311 and a first movable member 3312, and the end of the first connecting member 3311 close to the first side edge 321 is the first telescopic member 3311 The first end of the first movable member 331 , the end of the first movable member 3312 away from the first side edge 321 is the second end of the first telescopic member 331 , the first movable member 3312 and the first The connecting piece 3311 is movably connected, and can move relative to the first connecting piece 3311 to make the first telescopic piece 331 expand or contract along the second direction.

所述第二伸缩件332包括第二连接件3321和第二活动件3322，所述第二连接件3321的靠近所述第二侧边322的一端为所述第二伸缩件332的第一端，所述第二活动件3322的远离所述第二侧边322的一端为所述第二伸缩件332的第二端，所述第二活动件3322与所述第二连接件3321活动连接，并能够相对于所述第二连接件3321活动以使所述第二伸缩件332沿所述第二方向伸展或收缩。The second telescopic piece 332 includes a second connecting piece 3321 and a second movable piece 3322 , and one end of the second connecting piece 3321 close to the second side edge 322 is the first end of the second telescopic piece 332 , the end of the second movable member 3322 away from the second side edge 322 is the second end of the second telescopic member 332, and the second movable member 3322 is movably connected with the second connecting member 3321, and can move relative to the second connecting member 3321 to make the second telescopic member 332 expand or contract along the second direction.

其中，第一连接件3311连接第一侧边321，第一侧边321和第一连接件3311均为固定设置，不会发生运动，第一活动件3312能够相对于第一连接件3311运动，进而以使得第一伸缩件331实现伸长或缩短。第二连接件3321连接第二侧边322，第二侧边322和第二连接件3321均为固定设置，第二活动件3322能够相对于第二连接件3321运动，以使得第二伸缩件332实现伸长或缩短。The first connecting piece 3311 is connected to the first side 321, the first side 321 and the first connecting piece 3311 are both fixed and cannot move, and the first movable piece 3312 can move relative to the first connecting piece 3311, Further, the first telescopic element 331 can be extended or shortened. The second connecting piece 3321 is connected to the second side edge 322 , the second side edge 322 and the second connecting piece 3321 are both fixedly arranged, and the second movable piece 3322 can move relative to the second connecting piece 3321 , so that the second telescopic piece 332 To achieve elongation or shortening.

可选地，所述第一连接件3311和所述第一活动件3312之中的一者为滑轨，另一者为滑槽；所述第二连接件3321和所述第二活动件3322之中的一者为滑轨，另一者为滑槽。例如，第一连接件3311和第二连接件3321均为滑槽，第一活动件3312和第二活动件3322均为滑轨，通过滑轨和滑槽的设置，以实现第一伸缩件331及第二伸缩件332的伸长和缩短，确保电子设备能够在第一状态和第二状态之间切换。Optionally, one of the first connecting member 3311 and the first movable member 3312 is a sliding rail, and the other is a sliding groove; the second connecting member 3321 and the second movable member 3322 One of them is a slide rail, and the other is a chute. For example, the first connecting member 3311 and the second connecting member 3321 are both sliding grooves, and the first movable member 3312 and the second movable member 3322 are both sliding rails. And the extension and shortening of the second telescopic member 332 ensures that the electronic device can be switched between the first state and the second state.

本申请实施例还提供一种电子设备，请结合图1至图9，所述电子设备包括壳体10、柔性显示屏20及如上所述的伸缩机构30，所述柔性显示屏20覆盖于所述壳体10上，所述壳体包括第一壳体部11和第二壳体部12，所述第一壳体部11与所述第二壳体部12活动连接；其中，伸缩机构30的齿轮34与所述第二壳体部12固定连接，所述连杆的远离所述齿条的一端与所述第一壳体部11连接；在所述齿轮34转动的过程中，所述连杆推动所述第一壳体部11沿第二方向移动，第一壳体部11与第二壳体部12之间的距离逐渐增大或逐渐减小，以带动柔性显示屏20的显示面积逐渐增大或逐渐减小。The embodiment of the present application further provides an electronic device. Please refer to FIG. 1 to FIG. 9. The electronic device includes a housing 10, a flexible display screen 20, and the above-mentioned telescopic mechanism 30. The flexible display screen 20 covers all the On the casing 10, the casing includes a first casing part 11 and a second casing part 12, the first casing part 11 and the second casing part 12 are movably connected; wherein, the telescopic mechanism 30 The gear 34 is fixedly connected with the second housing part 12, and the end of the connecting rod away from the rack is connected with the first housing part 11; during the rotation of the gear 34, the The connecting rod pushes the first housing part 11 to move in the second direction, and the distance between the first housing part 11 and the second housing part 12 gradually increases or decreases, so as to drive the display of the flexible display screen 20 The area gradually increases or decreases gradually.

可以理解地，齿轮34的转动能够驱动齿条的运动，齿条也就会带动连杆的运动，进而以推动第一壳体部11向远离或靠近第二壳体部12的方向运动，进而以使得壳体10实现伸缩，而壳体10的伸缩也就会带动柔性显示屏20显示面积增大或减小，使得电子设备既能够满足用户对于大屏幕的需求，又能够切换至小体积以方便用户携带。It can be understood that the rotation of the gear 34 can drive the movement of the rack, and the rack will also drive the movement of the connecting rod, thereby pushing the first housing part 11 to move in a direction away from or close to the second housing part 12 , and then In order to realize the expansion and contraction of the casing 10, the expansion and contraction of the casing 10 will also drive the display area of the flexible display screen 20 to increase or decrease, so that the electronic device can not only meet the user's demand for a large screen, but also switch to a small size for It is convenient for users to carry.

如上所述的，齿条可以是包括第一齿条311和第二齿条312，第一齿条311与第一连杆301和第二连杆302连接，第一连杆301的远离第一齿条311的一端与第一壳体部11连接，第二连杆302的远离第一齿条311的一端与第二壳体部12连接；第二齿条312与第三连杆303和第四连杆304连接，第三连杆303的远离第二齿条312的一端与第一壳体部11连接，第四连杆304的远离第二齿条312的一端与第二壳体部12连接，具体的运动原理可以是参考上述伸缩机构实施例中的描述，本实施例不再赘述。As mentioned above, the rack may include a first rack 311 and a second rack 312, the first rack 311 is connected with the first link 301 and the second link 302, and the first link 301 is far from the first link 301. One end of the rack 311 is connected with the first housing part 11, and the end of the second link 302 away from the first rack 311 is connected with the second housing part 12; the second rack 312 is connected with the third link 303 and the first The fourth link 304 is connected, the end of the third link 303 away from the second rack 312 is connected with the first housing part 11 , and the end of the fourth link 304 away from the second rack 312 is connected with the second housing part 12 For connection, the specific movement principle can be referred to the description in the above-mentioned embodiment of the telescopic mechanism, which is not repeated in this embodiment.

进一步地，在所述伸缩机构30包括固定件、第一伸缩件331的情况下，第一伸缩件331的第一端与所述固定件连接，第一伸缩件331的第二端与第一壳体部11的中部连接，所述连杆驱动第一壳体部11沿第二方向移动的过程中，第一壳体部11带动第一伸缩件331沿所述第二方向伸展或收缩。可以理解地，第一伸缩件331的第一端与固定件连接，第一伸缩件331的第一端也就是固定的，第一伸缩件331的第二端与第一壳体部11连接，进而第一壳体部11的运动也就会带动第一伸缩件331进行伸缩运动。Further, when the telescopic mechanism 30 includes a fixed member and a first telescopic member 331, the first end of the first telescopic member 331 is connected to the fixed member, and the second end of the first telescopic member 331 is connected to the first telescopic member 331. The middle portion of the housing portion 11 is connected, and the first housing portion 11 drives the first telescopic member 331 to expand or contract along the second direction when the connecting rod drives the first housing portion 11 to move in the second direction. It can be understood that the first end of the first telescopic element 331 is connected to the fixing element, the first end of the first telescopic element 331 is also fixed, and the second end of the first telescopic element 331 is connected to the first housing part 11 . Further, the movement of the first housing portion 11 will also drive the first telescopic member 331 to perform telescopic movement.

在所述伸缩机构还包括第二伸缩件332的情况下，第二伸缩件332的第一端与所述固定件连接，第二伸缩件332的第二端与第二壳体部12的中部连接，所述连杆驱动第二壳体部12沿第二方向移动的过程中，第二壳体部12带动第二伸缩件332沿所述第二方向伸展或收缩。可以理解地，第二伸缩件332的第一端与固定件连接，第二伸缩件332的第一端也就是固定的，第二伸缩件332的第二端与第二壳体部12连接，进而第二壳体部12的运动也就会带动第二伸缩件332进行伸缩运动。第一伸缩件331及第二伸缩件332的具体结构及运动原理可以是参考上述伸缩机构实施例中的描述，本实施例不再赘述。When the telescopic mechanism further includes a second telescopic element 332 , the first end of the second telescopic element 332 is connected to the fixing element, and the second end of the second telescopic element 332 is connected to the middle of the second housing part 12 . When the connecting rod drives the second housing portion 12 to move in the second direction, the second housing portion 12 drives the second telescopic member 332 to expand or contract in the second direction. It can be understood that the first end of the second telescopic element 332 is connected to the fixing element, the first end of the second telescopic element 332 is also fixed, and the second end of the second telescopic element 332 is connected to the second housing part 12 . Further, the movement of the second housing portion 12 will also drive the second telescopic member 332 to perform telescopic movement. The specific structures and movement principles of the first telescopic member 331 and the second telescopic member 332 can be referred to the descriptions in the above-mentioned embodiments of the telescopic mechanism, which will not be repeated in this embodiment.

本申请实施例中，所述电子设备还包括驱动机构和传动机构，所述驱动机构设置于第一壳体部11且连接所述传动机构，所述传动机构连接所述柔性显示屏20，在所述齿轮34转动的过程中，所述驱动机构驱动所述传动机构运动，所述传动机构带动所述柔性显示屏20的显示面积逐渐增大或逐渐减小。In the embodiment of the present application, the electronic device further includes a driving mechanism and a transmission mechanism. The driving mechanism is disposed on the first housing portion 11 and is connected to the transmission mechanism, and the transmission mechanism is connected to the flexible display screen 20 . During the rotation of the gear 34, the drive mechanism drives the transmission mechanism to move, and the transmission mechanism drives the display area of the flexible display screen 20 to gradually increase or decrease.

请进一步参照图7和图9，所述驱动机构为马达，所述传动机构可以是与所述马达连接的转轴41，所述柔性显示屏20卷绕于所述转轴41上。其中，所述马达可以是与电子设备的处理器连接，处理器能够控制马达正转或反转，进而驱动转轴41正转或反转；例如当转轴41正转时，柔性显示屏20显示第一显示面积，当转轴41反转时，柔性显示屏20显示第二显示面积。通过马达和转轴41的设置，保障了柔性显示屏20运动的顺畅性，使得柔性显示屏20能够在不同的显示面积之间切换，使得电子设备既能够满足用户对于大屏幕的需求，又能够切换至小体积以方便用户携带。,Please further refer to FIG. 7 and FIG. 9 , the driving mechanism is a motor, the transmission mechanism may be a rotating shaft 41 connected to the motor, and the flexible display screen 20 is wound on the rotating shaft 41 . The motor may be connected to the processor of the electronic device, and the processor can control the motor to rotate forward or reverse, and then drive the rotating shaft 41 to rotate forward or reverse; for example, when the rotating shaft 41 rotates forward, the flexible display screen 20 displays the first One display area, when the rotating shaft 41 is reversed, the flexible display screen 20 displays the second display area. Through the arrangement of the motor and the rotating shaft 41, the smooth movement of the flexible display screen 20 is ensured, so that the flexible display screen 20 can be switched between different display areas, so that the electronic device can not only meet the user's demand for a large screen, but also switch To a small size to facilitate the user to carry. ,

上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims (11)

1. A telescopic mechanism is characterized by comprising a gear, a rack and a connecting rod, wherein the gear is meshed with the rack, and one end of the connecting rod is connected with the rack;
in the process of rotating the gear, one end of the connecting rod, which is connected with the rack, moves along a first direction, one end of the connecting rod, which is far away from the rack, moves along a second direction, and the first direction is vertical to the second direction;
the connecting rods comprise a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are connected to the same point of the rack;
in the process of the rotation of the gear, the included angle between the first connecting rod and the second connecting rod is gradually increased or gradually reduced;
the telescopic machanism still includes:
a fixed member and a first telescopic member;
the gear is connected with the fixing piece, and the fixing piece comprises a first side edge and a second side edge which are oppositely arranged;
the first end of the first telescopic piece is connected with the first side edge of the fixed piece, the second end of the first telescopic piece is connected with the driven piece, and one end, far away from the rack, of the connecting rod is connected with the driven piece;
in the process that the connecting rod drives the driven piece to move along the second direction, the driven piece drives the first telescopic piece to extend or contract along the second direction.
2. The telescoping mechanism of claim 1, wherein the rack comprises a first rack and a second rack, the first rack and the second rack being disposed opposite each other on either side of the gear;
during the rotation of the gear, the movement directions of the first rack and the second rack are opposite.
3. The pantograph mechanism of claim 2, wherein the links further comprise a third link and a fourth link, the third link and the fourth link being connected to the same point of the second rack, the first link and the second link being connected to the same point of the first rack;
in the process of the rotation of the gear, the included angle between the third connecting rod and the fourth connecting rod is gradually increased or gradually reduced.
4. The telescoping mechanism of claim 2, wherein the first rack is movably connected to the first side and the second rack is movably connected to the second side.
5. The retracting mechanism according to claim 1, wherein the first retracting member comprises a first connecting member and a first moving member, wherein one end of the first connecting member close to the first side edge is a first end of the first retracting member, one end of the first moving member far away from the first side edge is a second end of the first retracting member, and the first moving member is movably connected with the first connecting member.
6. The telescoping mechanism of claim 1, further comprising a second telescoping member, a first end of the second telescoping member connected to the second side and a second end of the second telescoping member connected to the driven member;
in the process that the connecting rod drives the driven piece to move along the second direction, the driven piece drives the second telescopic piece to extend or retract along the second direction.
7. The retracting mechanism according to claim 6, wherein the second retracting member comprises a second connecting member and a second moving member, wherein one end of the second connecting member close to the second side edge is a first end of the second retracting member, one end of the second moving member far away from the second side edge is a second end of the second retracting member, and the second moving member is movably connected with the second connecting member.
8. An electronic device, comprising a housing, a flexible display screen and the telescoping mechanism of any one of claims 1-7, the flexible display screen overlaying the housing, the housing comprising a first housing portion and a second housing portion, the first housing portion being movably connected to the second housing portion;
the gear of the telescopic mechanism is connected with the second shell part, and one end of the connecting rod, which is far away from the rack, is connected with the first shell part;
in the process of the rotation of the gear, the connecting rod pushes the first casing part to move along the second direction, and the distance between the first casing part and the second casing part is gradually increased or gradually reduced so as to drive the display area of the flexible display screen to be gradually increased or gradually reduced.
9. The electronic device of claim 8, wherein in a case where the telescoping mechanism comprises a fixed member, a first telescoping member, a first end of the first telescoping member is connected to the fixed member, a second end of the first telescoping member is connected to a middle portion of the first housing portion,
in the process that the connecting rod drives the first shell part to move along the second direction, the first shell part drives the first telescopic part to extend or retract along the second direction.
10. The electronic device of claim 9, wherein, in the case that the telescoping mechanism further comprises a second telescoping member, a first end of the second telescoping member is connected to the stationary member and a second end of the second telescoping member is connected to a middle portion of the second housing portion,
in the process that the connecting rod drives the second shell part to move along the second direction, the second shell part drives the second telescopic part to extend or contract along the second direction.
11. The electronic device of claim 8, further comprising a driving mechanism and a transmission mechanism, wherein the driving mechanism is disposed on the first housing portion and connected to the transmission mechanism, and the transmission mechanism is connected to the flexible display screen;
in the process of gear rotation, the driving mechanism drives the transmission mechanism to move, and the display area of the flexible display screen is gradually increased or gradually reduced.
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