WO2022068290A1

WO2022068290A1 - Folding apparatus and foldable electronic device

Info

Publication number: WO2022068290A1
Application number: PCT/CN2021/102476
Authority: WO
Inventors: 詹强; 陆郁飞; 黄涛; 毛维华; 于卫东
Original assignee: 华为技术有限公司
Priority date: 2020-09-29
Filing date: 2021-06-25
Publication date: 2022-04-07
Also published as: CN114338859A

Abstract

Provided in the embodiments of the present application are a folding apparatus and a foldable electronic device, which belong to the technical field of electronic devices, and aim to solve the problem of the damping effect being poor after long-term use of a folding apparatus. The folding apparatus provided in the embodiments of the present application comprises a base, and two rotating members and two damping groups that are mounted on two sides of the base, wherein an arc-shaped swing arm is arranged on each rotating member, and the rotating member is slidably mounted on the base by means of the arc-shaped swing arm, so as to make the two rotating members rotate relative to the base and the rotation directions are opposite to each other; and each damping group comprises a damping member and an elastic member, the damping group being arranged in the base, and by means of an elastic force of the elastic member, the damping member abutting against a side of the arc-shaped swing arm located on the same side as the damping group, so as to form point contact. Due a damping assembly and the arc-shaped swing arm being in point contact, a friction face between the damping assembly and the arc-shaped swing arm is significantly reduced, such that abrasion of the damping assembly can be reduced, and thus, the folding apparatus has a good damping effect after being used long-term.

Description

折叠装置及可折叠的电子设备Folding devices and foldable electronic devices

本申请要求于2020年09月29日提交中国专利局、申请号为202011049779.8、申请名称为“折叠装置及可折叠的电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application with the application number of 202011049779.8 and the application title of "folding device and foldable electronic equipment", which was filed with the China Patent Office on September 29, 2020, the entire contents of which are incorporated herein by reference. middle.

技术领域technical field

本申请涉及电子设备技术领域，尤其涉及一种折叠装置及可折叠的电子设备。The present application relates to the technical field of electronic devices, and in particular, to a folding device and a foldable electronic device.

背景技术Background technique

随着可折叠的柔性屏技术日趋成熟，采用柔性折叠屏的折叠手机具有操作体验好、显示面积大以及外观新颖时尚等优点，因而受到广大消费者的青睐。As the foldable flexible screen technology becomes more and more mature, the foldable mobile phone using the flexible folding screen has the advantages of good operation experience, large display area, novel and fashionable appearance, etc., so it is favored by consumers.

可折叠的电子设备(如折叠手机、折叠平板、折叠电脑等电子设备)需要满足较高的可靠性，较好的操作体验及外观。折叠装置作为核心功能部件，其可靠性和操作体验很大程度也受到其中阻尼机构的性能影响。阻尼机构用于控制转轴机构的开合，为折叠装置提供一定的阻尼和保护作用，以使转轴机构在开合过程中受力均匀，目前市场上的转轴机构长时间使用后，其阻尼结构磨损严重导致其阻尼效果下降，无法提供稳定的阻尼力，导致电子设备折叠时不够顺畅，体验不好。Foldable electronic devices (such as foldable mobile phones, foldable tablets, foldable computers and other electronic devices) need to meet higher reliability, better operating experience and appearance. As the core functional component of the folding device, its reliability and operating experience are also greatly affected by the performance of the damping mechanism. The damping mechanism is used to control the opening and closing of the rotating shaft mechanism, and provide certain damping and protection for the folding device, so that the rotating shaft mechanism is evenly stressed during the opening and closing process. Seriously, the damping effect is reduced, and a stable damping force cannot be provided, resulting in an insufficient smooth folding of the electronic device and a poor experience.

发明内容SUMMARY OF THE INVENTION

本申请实施例提供了一种折叠装置及可折叠的电子设备，折叠装置具有良好的耐磨性，并且长期使用后能够保持良好的阻尼效果。The embodiments of the present application provide a folding device and a foldable electronic device. The folding device has good wear resistance and can maintain a good damping effect after long-term use.

本申请实施例第一方面提供了一种折叠装置包括基座、转动组件以及阻尼组件，其中，转动组件包括沿垂直于所述基座的长度方向分布于所述基座两侧的两个转动件；每个所述转动件上设置有弧形摆臂，所述基座上设置有与每个所述弧形摆臂对应的弧形滑轨，通过所述弧形摆臂和对应的所述弧形滑轨滑动配合，以使所述两个转动件相对所述基座转动且旋转方向彼此相反；所述两个转动件的转动轴线与所述基座的长度方向平行；阻尼组件包括沿垂直于所述基座的长度方向分布于所述基座两侧的两个阻尼组，每个所述阻尼组包括阻尼件和弹性件，每个所述阻尼组的延伸方向与所述基座的长度方向平行；所述阻尼组设置于所述基座内，通过所述弹性件的弹力将所述阻尼件抵持至位于同一侧的所述弧形摆臂的一侧。A first aspect of the embodiments of the present application provides a folding device including a base, a rotating component, and a damping component, wherein the rotating component includes two rotating components distributed on both sides of the base along a length direction perpendicular to the base. Each of the rotating parts is provided with an arc-shaped swing arm, and the base is provided with an arc-shaped slide rail corresponding to each of the arc-shaped swing arms. The arc-shaped slide rails are slidably matched, so that the two rotating parts rotate relative to the base and the rotation directions are opposite to each other; the rotation axes of the two rotating parts are parallel to the length direction of the base; the damping assembly includes Two damping groups are distributed on both sides of the base along the length direction perpendicular to the base, each of the damping groups includes a damping member and an elastic member, and the extension direction of each damping group is the same as that of the base. The length direction of the seat is parallel; the damping group is arranged in the base, and the damping member is pressed against one side of the arc-shaped swing arm located on the same side by the elastic force of the elastic member.

本申请实施例提供的折叠装置，其阻尼组件安装在基座上，各阻尼组朝向转动组件的端部分别与弧形摆臂弹性抵接，且阻尼组件与弧形摆臂之间形成点接触，阻尼组与弧形摆臂之间的摩擦面显著减小，如此可减轻阻尼组件在长期使用后的磨损情况，从而使折叠装置长期使用后具有良好的阻尼效果，从而阻尼组件为折叠装置提供稳定的阻尼力，以使可折叠电子设备在折叠时保持顺畅，提升用户体验。In the folding device provided by the embodiment of the present application, the damping components are installed on the base, the ends of each damping group facing the rotating component are in elastic contact with the arc-shaped swing arms, and point contact is formed between the damping components and the arc-shaped swing arms. , the friction surface between the damping group and the arc-shaped swing arm is significantly reduced, which can reduce the wear of the damping assembly after long-term use, so that the folding device has a good damping effect after long-term use, so that the damping assembly provides the folding device. Stable damping force to keep the foldable electronic device smooth when folded, improving user experience.

在上述折叠装置中，还包括沿垂直于所述基座的长度方向分布于所述基座两侧且与所述基座转动连接的两个转轴；所述转轴设置于位于同一侧的所述弧形摆臂背离所述阻尼组的一侧，每个所述转轴的周面设置有第一齿轮，且所述两个转轴上的第一齿轮相互啮合；每个所述弧形摆臂的弧形表面设置有第一齿条，所述第一齿轮与位于同一侧的所述弧形摆臂的第一齿条相互啮合。如此设置，弧形摆臂通过第一齿条与第一齿轮采用齿轮啮合的方式连接在一起，提升了弧形摆臂与第一齿轮之间驱动力传输的稳定性，保证两个弧形摆臂同步转动的一致性。In the above-mentioned folding device, it also includes two rotating shafts distributed on both sides of the base along the length direction perpendicular to the base and rotatably connected with the base; the rotating shafts are arranged on the same side of the base. The side of the arc-shaped swing arm facing away from the damping group, the peripheral surface of each of the rotating shafts is provided with a first gear, and the first gears on the two rotating shafts mesh with each other; The arc-shaped surface is provided with a first rack, and the first gear and the first rack of the arc-shaped swing arm on the same side mesh with each other. In this way, the arc-shaped swing arm is connected with the first gear by means of gear meshing through the first rack, which improves the stability of driving force transmission between the arc-shaped swing arm and the first gear, and ensures the two arc-shaped swing arms. Consistency of the synchronous rotation of the arms.

在上述折叠装置中，还包括设置于所述两个第一齿轮之间的两个第二齿轮，每个所述第一齿轮与位于所述同一侧的所述第二齿轮啮合，所述两个所述第二齿轮相互啮合。如此设置，可将两个第一齿轮设置在基座的两侧，以使两个弧形摆臂具有更大的旋转空间，相应的，折叠装置具有更大的开合角度。In the above-mentioned folding device, it further comprises two second gears arranged between the two first gears, each of the first gears meshes with the second gear located on the same side, and the two Each of the second gears meshes with each other. In this way, the two first gears can be arranged on both sides of the base, so that the two arc-shaped swing arms have a larger rotation space, and correspondingly, the folding device has a larger opening and closing angle.

在上述折叠装置中，所述基座上设置有齿轮座，两个所述第一齿轮及两个所述第二齿轮分别安装在所述齿轮座上，所述第一齿轮包括驱动段和传输段；其中，所述驱动段位于所述齿轮座的外侧，并与对应的所述第一齿条啮合；所述传输段位于所述齿轮座内，并与位于所述齿轮座内的所述第二齿轮啮合。如此设置，弧形摆臂与位于齿轮座外侧的驱动段啮合，即弧形摆臂位于齿轮座的外侧并与驱动段采用齿轮啮合的方式连接，可缩小弧形摆臂沿各齿轮动力传输方向上的尺寸，进而降低了折叠装置的安装空间，可缩小第一壳体和第二壳体之间的间距，以使壳体获得更多的用于布置电池和主板的空间。In the above-mentioned folding device, a gear seat is provided on the base, the two first gears and the two second gears are respectively mounted on the gear seat, and the first gear includes a driving section and a transmission section. wherein, the driving section is located outside the gear seat and meshes with the corresponding first rack; the transmission section is located in the gear seat and is in contact with the The second gear meshes. In this way, the arc-shaped swing arm meshes with the drive segment located outside the gear seat, that is, the arc-shaped swing arm is located outside the gear seat and is connected with the drive segment by gear meshing, which can reduce the arc-shaped swing arm along the power transmission direction of each gear. Therefore, the installation space of the folding device is reduced, and the distance between the first casing and the second casing can be reduced, so that the casing can obtain more space for arranging the battery and the main board.

在上述折叠装置中，所述基座设置有用于安装所述阻尼组的安装孔；所述阻尼组还包括端盖，所述端盖固定在所述安装孔的一端；所述弹性件的一端与所述端盖抵接，所述弹性件的另一端与所述阻尼件连接，且所述阻尼件与所述弧形摆臂的一侧抵接。如此设置，阻尼件与弧形摆臂之间弹性抵接并形成点接触，可减少阻尼组件的端部与弧形摆臂的接触面积，防止阻尼组件长期使用后而影响阻尼效果。In the above-mentioned folding device, the base is provided with a mounting hole for mounting the damping group; the damping group further includes an end cover, and the end cover is fixed at one end of the mounting hole; one end of the elastic member In contact with the end cover, the other end of the elastic member is connected with the damping member, and the damping member is in contact with one side of the arc-shaped swing arm. In this way, the damping element and the arc-shaped swing arm elastically abut and form point contact, which can reduce the contact area between the end of the damping assembly and the arc-shaped swing arm, and prevent the damping assembly from affecting the damping effect after long-term use.

在上述折叠装置中，所述阻尼组还包括顶杆，所述顶杆设置在所述阻尼件与所述弹性件之间，所述顶杆的一端与所述弹性件远离所述端盖的一端连接，所述阻尼件设置在所述顶杆的另一端。如此设置，可便于将顶杆连接在弹性件与阻尼件之间，同时，也便于将阻尼件固定在弹性件的一端以及提升阻尼件与弹性件连接的稳定性。In the above-mentioned folding device, the damping group further includes a top rod, the top rod is arranged between the damping member and the elastic member, and one end of the top rod is connected to the end of the elastic member away from the end cover. One end is connected, and the damping member is arranged on the other end of the top rod. This arrangement facilitates connecting the top rod between the elastic member and the damping member, and also facilitates fixing the damping member on one end of the elastic member and improving the stability of the connection between the damping member and the elastic member.

在上述折叠装置中，所述弹性件为螺旋弹簧，所述阻尼件为滚珠，所述顶杆为呈阶梯状的圆柱杆；所述圆柱杆的小径段***所述螺旋弹簧远离所述端盖的一端，所述圆柱杆的大径段设置有凹槽，所述滚珠嵌设在所述凹槽中，且所述滚珠的一部分位于所述凹槽外。如此设置，可便于将顶杆安装至弹性件中，并且阻尼件为滚珠，可进一步降低阻尼件与弧形摆臂的接触面积。In the above folding device, the elastic member is a coil spring, the damping member is a ball, and the top rod is a stepped cylindrical rod; the small diameter section of the cylindrical rod is inserted into the coil spring and away from the end cover At one end of the cylindrical rod, the large diameter section of the cylindrical rod is provided with a groove, the ball is embedded in the groove, and a part of the ball is located outside the groove. With this arrangement, the ejector rod can be easily installed in the elastic member, and the damping member is a ball, which can further reduce the contact area between the damping member and the arc-shaped swing arm.

在上述折叠装置中，所述滚珠设置在所述凹槽内，并相对所述顶杆转动。如此设置，可进一步降低滚珠与弧形摆臂之间的摩擦力，从而降低阻尼组件长期使用后的磨损。In the above-mentioned folding device, the ball is arranged in the groove and rotates relative to the top rod. This arrangement can further reduce the frictional force between the ball and the arc-shaped swing arm, thereby reducing the wear of the damping component after long-term use.

在上述折叠装置中，所述弧形摆臂还包括挡板；所述挡板连接在所述弧形摆臂的弧形表面上，且所述挡板设置有与所述弧形滑轨配合的弧形的导向滑槽。如此设置，弧形摆臂通过导向滑槽连接在基座设置的弧形导轨上，提升了弧形摆臂与第一齿轮之间驱动力传输的稳定性以及弧形摆臂转动过程中的稳定性。In the above-mentioned folding device, the arc-shaped swing arm further comprises a baffle plate; the baffle plate is connected to the arc-shaped surface of the arc-shaped swing arm, and the baffle plate is arranged to cooperate with the arc-shaped slide rail The arc-shaped guide chute. In this way, the arc-shaped swing arm is connected to the arc-shaped guide rail provided on the base through the guide chute, which improves the stability of the driving force transmission between the arc-shaped swing arm and the first gear and the stability of the arc-shaped swing arm during the rotation process. sex.

在上述折叠装置中，所述挡板与所述阻尼组相对设置，且所述挡板设置有两个第一止位槽，两个所述第一止位槽分别位于所述阻尼组的端部形成在所述挡板上的转动路径的两端；所述阻尼件的端部可滑入或滑出所述第一止位槽。如此设置，当阻尼组的端部***不同位置的第一止位槽时，折叠装置可处于不同的折叠状态，以满足不同客户对柔性显示屏的视觉角度的需求，提升用户体验。In the above-mentioned folding device, the baffle plate is disposed opposite to the damping group, and the baffle plate is provided with two first stop grooves, and the two first stop grooves are respectively located at the ends of the damping group. The end of the damping member can slide into or out of the first stop groove. In this way, when the ends of the damping group are inserted into the first stop slots at different positions, the folding device can be in different folding states, so as to meet different customers' requirements for the visual angle of the flexible display screen and improve user experience.

在上述折叠装置中，所述挡板还设置有导向槽，且所述阻尼组朝向所述转动组件的端部位于所述导向槽内；两个所述第一止位槽位于所述导向槽的两端。如此设置，导向槽与阻尼组的端部配合，可使阻尼组的端部在导向槽内相对弧形摆臂滑动；进一步提升弧形摆臂相对基座转动过程中的稳定性以及提升阻尼效果。In the above-mentioned folding device, the baffle plate is further provided with a guide groove, and the end of the damping group facing the rotating assembly is located in the guide groove; the two first stop grooves are located in the guide groove both ends of . In this way, the guide groove is matched with the end of the damping group, so that the end of the damping group can slide relative to the arc-shaped swing arm in the guide groove; the stability of the arc-shaped swing arm in the process of rotating relative to the base is further improved and the damping effect is improved .

在上述折叠装置中，所述导向槽还设置有第二止位槽，且所述第二止位槽位于两个所述第一止位槽之间。如此设置，弧形摆臂在导向槽的多个位置可实现锁定，使折叠装置具有不同的折叠角度，以满足客户对柔性显示屏的视觉角度的需求。In the above-mentioned folding device, the guide groove is further provided with a second stop groove, and the second stop groove is located between the two first stop grooves. In this way, the arc-shaped swing arm can be locked at multiple positions of the guide groove, so that the folding device has different folding angles, so as to meet the customer's demand for the visual angle of the flexible display screen.

在上述折叠装置中，所述折叠装置包括两个所述转动组件，两个所述转动组件之间设置有可折叠和展平的两个支撑板；每个支撑板与位于其一侧的所述转动组件的转动件连接；每个所述转动件分别包括连接板，连接板朝向支撑板的一侧与所述支撑板连接。如此设置，设置在两个转动组件间的支撑板，支撑板可与转动件同步转动；可增大折叠装置表面对柔性显示屏的支撑面积，以提升柔性显示屏的表面平整性。In the above-mentioned folding device, the folding device includes two of the rotating assemblies, and two supporting plates that can be folded and flattened are arranged between the two rotating assemblies; The rotating parts of the rotating assembly are connected; each of the rotating parts respectively includes a connecting plate, and the connecting plate is connected to the supporting plate on the side facing the supporting plate. In this way, the support plate disposed between the two rotating components can rotate synchronously with the rotating member; the support area of the surface of the folding device for the flexible display screen can be increased, so as to improve the surface flatness of the flexible display screen.

在上述折叠装置中，所述折叠装置还包括盖板，所述盖板固定在所述基座的背侧，用于遮盖所述转动组件和部分所述支撑板。如此设置，可对第一壳体和第二壳体之间用于安装折叠装置的缝隙进行遮挡，以使电子设备美观，同时，盖板可对转动组件进行防护。In the above-mentioned folding device, the folding device further comprises a cover plate, and the cover plate is fixed on the back side of the base for covering the rotating assembly and part of the supporting plate. In this way, the gap between the first casing and the second casing for installing the folding device can be shielded, so as to make the electronic device beautiful, and at the same time, the cover plate can protect the rotating assembly.

本申请实施例的第二方面提供了一种可折叠的电子设备，包括柔性显示屏、两个壳体以及第一方面所述的折叠装置；所述两个壳体分别与所述折叠装置中的两个转动件固定连接；所述柔性显示屏覆盖于所述两个壳体以及所述折叠装置上。A second aspect of the embodiments of the present application provides a foldable electronic device, including a flexible display screen, two housings, and the folding device described in the first aspect; the two housings are respectively connected with the folding device. The two rotating parts are fixedly connected; the flexible display screen is covered on the two housings and the folding device.

本申请实施例提供的可折叠的电子设备，两个壳体通过折叠装置连接在一起，柔性显示屏连接在两个壳体上并能够实现折叠或展平；折叠装置中的阻尼组件安装在基座上，阻尼组件中的阻尼组朝向转动组件的一端与弧形摆臂弹性抵接，并且阻尼组的端部与弧形摆臂之间形成点接触，即在本申请实施例中阻尼组与弧形摆臂之间通过点接触的方式提供阻尼，如此可减轻阻尼组件在长期使用后的磨损情况，从而使折叠装置长期使用后具有良好的阻尼效果。In the foldable electronic device provided by the embodiment of the present application, two shells are connected together by a folding device, the flexible display screen is connected to the two shells and can be folded or flattened; the damping component in the folding device is installed on the base On the seat, one end of the damping group in the damping assembly facing the rotating assembly is in elastic contact with the arc-shaped swing arm, and a point contact is formed between the end of the damping group and the arc-shaped swing arm. Damping is provided between the arc-shaped swing arms by means of point contact, which can reduce the wear of the damping component after long-term use, so that the folding device has a good damping effect after long-term use.

附图说明Description of drawings

为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings used in the description of the embodiments or related technologies. Obviously, the accompanying drawings in the following description are For some embodiments of the present application, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

图1为本申请实施例提供的手机的展平状态示意图；1 is a schematic diagram of a flattened state of a mobile phone according to an embodiment of the present application;

图2为本申请实施例提供的手机处于展平状态下的***示意图；2 is an exploded schematic diagram of a mobile phone provided in an embodiment of the present application in a flattened state;

图3为本申请实施例提供的手机处于折叠状态下的折叠装置与壳体的连接示意图；3 is a schematic diagram of the connection between the folding device and the casing of the mobile phone in a folded state according to an embodiment of the present application;

图4为本申请实施例提供的折叠装置的展平状态示意图；4 is a schematic diagram of a flattened state of the folding device provided by the embodiment of the present application;

图5为本申请实施例提供的折叠装置的折叠状态示意图；FIG. 5 is a schematic diagram of a folded state of a folding device provided by an embodiment of the present application;

图6为本申请实施例提供的转动组件的结构示意图一；6 is a schematic structural diagram 1 of a rotating assembly provided by an embodiment of the present application;

图7为本申请实施例提供的两个转动件与基座上的安装示意图；FIG. 7 is a schematic diagram of the installation on the two rotating parts and the base provided by the embodiment of the present application;

图8为本申请实施例提供的转动组件的结构示意图二；FIG. 8 is a second structural schematic diagram of a rotating assembly provided by an embodiment of the present application;

图9为本申请实施例提供的基座的结构示意图；9 is a schematic structural diagram of a base provided by an embodiment of the present application;

图10为本申请实施例提供的同步轮系的结构示意图；10 is a schematic structural diagram of a synchronous gear train provided by an embodiment of the application;

图11为本申请实施例提供的同步轮系的***示意图；11 is an exploded schematic diagram of a synchronous gear train provided by an embodiment of the application;

图12为本申请实施例提供的第一转动件的一视角的结构示意图；12 is a schematic structural diagram of a first rotating member from a perspective provided by an embodiment of the present application;

图13为本申请实施例提供的第一转动件的另一视角的结构示意图；13 is a schematic structural diagram of the first rotating member from another perspective provided by an embodiment of the present application;

图14为本申请实施例提供的第一止位槽布置示意图；14 is a schematic diagram of the arrangement of the first stop groove provided by the embodiment of the application;

图15为本申请实施例提供的第二止位槽布置示意图；15 is a schematic diagram of the arrangement of the second stop groove provided by the embodiment of the application;

图16为本申请实施例提供的阻尼机构在基座上的布置示意图；FIG. 16 is a schematic diagram of the arrangement of the damping mechanism on the base provided by the embodiment of the application;

图17为本申请实施例提供的阻尼结构的结构示意图；17 is a schematic structural diagram of a damping structure provided by an embodiment of the application;

图18为本申请实施例提供的阻尼结构与弧形摆臂的装配示意图。FIG. 18 is a schematic diagram of the assembly of the damping structure and the arc-shaped swing arm according to the embodiment of the application.

附图标记说明:Explanation of reference numbers:

10-基座； 11-安装空间；10-base; 11-installation space;

12-弧形滑轨； 13-通孔；12-Arc slide rail; 13-Through hole;

14-转动空间； 20-第一转动件；14-Rotation space; 20-The first rotating part;

21-第一连接板； 22-弧形端板；21-The first connecting plate; 22-Arc end plate;

23-第一挡板； 24-第一齿条；23-first baffle; 24-first rack;

25-第一弧形摆臂； 30-第二转动件；25- the first arc swing arm; 30- the second rotating part;

31-第二连接板； 32-第二弧形摆臂；31-Second connecting plate; 32-Second arc swing arm;

40-同步轮系； 41-第一同步齿轮；40-synchronous gear train; 41-first synchronous gear;

42-第二同步齿轮； 43-第一传动齿轮；42- the second synchronizing gear; 43- the first transmission gear;

44-第二传动齿轮； 45-齿轮座；44-Second transmission gear; 45-Gear seat;

50-阻尼结构； 51-端盖；50-damping structure; 51-end cover;

52-弹簧； 53-滚珠；52-spring; 53-ball;

54-顶杆； 100-折叠装置；54- ejector rod; 100-folding device;

101-转动组件； 102-支撑板；101-rotating assembly; 102-support plate;

103-盖板； 200-柔性显示屏；103-cover plate; 200-flexible display screen;

211-定位边； 231-导向滑槽；211-Positioning edge; 231-Guide chute;

232-第一止位槽； 233-第二止位槽；232-first stop slot; 233-second stop slot;

234-导向槽； 300-壳体；234-guide groove; 300-shell;

301-第一壳体； 302-第二壳体；301-first shell; 302-second shell;

411-第一驱动段； 412-第一传输段；411 - the first drive section; 412 - the first transmission section;

421-第二驱动段； 422-第二传输段；421 - the second drive section; 422 - the second transmission section;

431-第一销轴； 432-第二销轴。431-the first pin; 432-the second pin.

具体实施方式Detailed ways

本申请实施例提供了一种折叠装置及可折叠的电子设备，折叠装置包括基座以及安装在基座两侧的两个转动件及两个阻尼组；其中，每个转动件上设置有弧形摆臂，并通过弧形摆臂与基座滑动安装，以使两个转动件相对基座转动且旋转方向彼此相反；每个阻尼组包括阻尼件和弹性件，阻尼组设置在基座内，通过弹性件的弹力将阻尼件抵持至位于同一侧的弧形摆臂的一侧，以形成点接触。由于阻尼组件与弧形摆臂之间点接触，阻尼组件与弧形摆臂之间的摩擦面显著减小，如此可减轻阻尼组件的磨损，以使折叠装置长期使用后具有良好的阻尼效果，以使可折叠电子设备在折叠时保持顺畅，提升用户体验。The embodiment of the present application provides a folding device and a foldable electronic device. The folding device includes a base, two rotating members and two damping groups installed on both sides of the base; wherein, each rotating member is provided with an arc The swing arm is slidably installed with the base through the arc swing arm, so that the two rotating members rotate relative to the base and the rotation directions are opposite to each other; each damping group includes a damping member and an elastic member, and the damping group is arranged in the base , the damping member is pressed against one side of the arc-shaped swing arm located on the same side by the elastic force of the elastic member, so as to form a point contact. Due to the point contact between the damping assembly and the arc-shaped swing arm, the friction surface between the damping assembly and the arc-shaped swing arm is significantly reduced, which can reduce the wear of the damping assembly, so that the folding device has a good damping effect after long-term use. In order to keep the foldable electronic device smooth when folded, and improve the user experience.

为使本申请实施例的目的、技术方案和优点更加清楚，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得的所有其他实施例，都属于本申请保护的范围。In order to make the purposes, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

本申请实施例提供的可折叠的电子设备可以是手机、平板或者笔记本电脑等；本实施例中以手机为例对本申请进行说明。如图1所示，该手机包括壳体300以及设置在壳体300上的柔性显示屏200，壳体300包括第一壳体301和第二壳体302，第一壳体301和第二壳体302之间设置有折叠装置100，第一壳体301和第二壳体302通过折叠装置100实现转动，柔性显示屏200的两端分别固定在第一壳体301和第二壳体302上，并覆盖于第一壳体301、第二壳体302以及折叠装置100形成的支撑面上；第一壳体301和第二壳体302利用折叠装置可对柔性显示屏200进行折叠或者展平，以满足不同用户对手机的显示屏幕的视觉角度需求。The foldable electronic device provided in this embodiment of the present application may be a mobile phone, a tablet, or a notebook computer, etc. In this embodiment, a mobile phone is used as an example to describe the present application. As shown in FIG. 1 , the mobile phone includes a casing 300 and a flexible display screen 200 disposed on the casing 300 . The casing 300 includes a first casing 301 and a second casing 302 , the first casing 301 and the second casing A folding device 100 is arranged between the body 302, the first housing 301 and the second housing 302 are rotated by the folding device 100, and the two ends of the flexible display screen 200 are respectively fixed on the first housing 301 and the second housing 302 , and cover the first shell 301, the second shell 302 and the supporting surface formed by the folding device 100; the first shell 301 and the second shell 302 can use the folding device to fold or flatten the flexible display screen 200 , so as to meet the visual angle requirements of different users for the display screen of the mobile phone.

折叠装置100用于连接第一壳体301和第二壳体302；如图2和图5所示，在一些可能的实施例中，折叠装置100包括基座10、转动组件101、支撑板102及盖板103；其中，转动组件101设置在基座10上，并可相对基座10可转动，转动组件101位于第一壳体301和第二壳体302之间，转动组件101的一侧与第一壳体301连接，另一侧与第二壳体302连接，并且第一壳体301和第二壳体302可通过转动组件101相对基座转动；此处第一壳体301及第二壳体302可分别相对基座10转动；或者，第一壳体301和第二壳体302可相对基座10同步转动。The folding device 100 is used to connect the first housing 301 and the second housing 302; as shown in FIG. 2 and FIG. 5 , in some possible embodiments, the folding device 100 includes a base 10 , a rotating assembly 101 , and a support plate 102 and the cover plate 103; wherein, the rotating assembly 101 is arranged on the base 10 and can be rotated relative to the base 10, the rotating assembly 101 is located between the first casing 301 and the second casing 302, and one side of the rotating assembly 101 It is connected with the first shell 301, and the other side is connected with the second shell 302, and the first shell 301 and the second shell 302 can be rotated relative to the base through the rotating assembly 101; here the first shell 301 and the second shell 302 The two casings 302 can rotate relative to the base 10 respectively; or, the first casing 301 and the second casing 302 can rotate relative to the base 10 synchronously.

支撑板102与转动组件101中的转动件连接，且覆盖在转动件的表面，且支撑板102随着转动组件101的转动件转动而同步转动；当第一壳体301和第二壳体302处于展平状态时，支撑板102的表面可与第一壳体301、第二壳体302形成的支撑面平齐，以增大对柔性显示屏200的支撑面积，使柔性显示屏的表面保持平整。盖板103设置在基座上，并位于基座远离柔性显示屏200的一侧，以对安装在基座上的转动组件101提供防护。The supporting plate 102 is connected with the rotating member in the rotating assembly 101 and covers the surface of the rotating member, and the supporting plate 102 rotates synchronously with the rotating member of the rotating assembly 101; when the first casing 301 and the second casing 302 When in the flattened state, the surface of the support plate 102 can be flush with the support surface formed by the first shell 301 and the second shell 302, so as to increase the support area for the flexible display screen 200 and keep the surface of the flexible display screen. smooth. The cover plate 103 is disposed on the base, and is located on the side of the base away from the flexible display screen 200, so as to provide protection for the rotating assembly 101 installed on the base.

本实施例中第一壳体301和第二壳体302之间设置的折叠装置100，可使第一壳体301和第二壳体302同步转动；例如，如图3所示，对第一壳体301和/或第二壳体302施加外力，第一壳体301和第二壳体302彼此同步相向转动并靠近，可使第一壳体301和第二壳体302向内侧折叠；进一步的，第一壳体301和第二壳体302可折叠在一起，使位于第一壳体301上的部分柔性显示屏200和位于第二壳体302上的另一部分柔性显示屏200贴合在一起。In this embodiment, the folding device 100 disposed between the first casing 301 and the second casing 302 can make the first casing 301 and the second casing 302 rotate synchronously; for example, as shown in FIG. External force is applied by the casing 301 and/or the second casing 302, the first casing 301 and the second casing 302 rotate synchronously towards each other and approach each other, so that the first casing 301 and the second casing 302 can be folded inward; further Yes, the first casing 301 and the second casing 302 can be folded together, so that part of the flexible display screen 200 located on the first casing 301 and another part of the flexible display screen 200 located on the second casing 302 are attached to each other. Together.

当对第一壳体301和/或第二壳体302施加外力时，第一壳体301和第二壳体302彼此同步相背转动，并逐渐远离，可使第一壳体301和第二壳体302处于展平状态，以在第一壳体301、第二壳体302及折叠装置100之间形成一支撑面，柔性显示屏200呈展平状态安装在第一壳体301、第二壳体302及折叠装置100形成的支撑面上，参阅图1所示。When an external force is applied to the first shell 301 and/or the second shell 302, the first shell 301 and the second shell 302 rotate synchronously and opposite to each other, and gradually move away from each other, so that the first shell 301 and the second shell 302 can be moved away from each other. The casing 302 is in a flattened state to form a support surface between the first casing 301 , the second casing 302 and the folding device 100 , and the flexible display screen 200 is installed on the first casing 301 , the second casing 301 and the second casing in a flattened state. The support surface formed by the casing 302 and the folding device 100 is shown in FIG. 1 .

转动组件101的数量可以根据实际需要选定；例如，如图4所示，本实施例提供的折叠装置100可包括两个转动组件101，两个转动组件101分别位于第一壳体301和第二壳体302的两端的边缘位置，可提升第一壳体301和第二壳体302的转动稳定性。可理解的是，在其他实施方式中，第一壳体301和第二壳体302设置的转动组件101的数量为一个或者两个以上；例如，在第一壳体301和第二壳体302中间位置设置有一个转动组件101，并在转动组件101的两侧分别设置有支撑板102；或者，第一壳体301和第二壳体302之间设置有多个转动组件101，多个转动组件101可间隔布置在第一壳体301和第二壳体302之间，可在相邻两个转动组件101设置有支撑板102。The number of the rotating components 101 can be selected according to actual needs; for example, as shown in FIG. 4 , the folding device 100 provided in this embodiment may include two rotating components 101 , and the two rotating components 101 are respectively located in the first housing 301 and the second rotating component 101 . The edge positions of the two ends of the second casing 302 can improve the rotational stability of the first casing 301 and the second casing 302 . It can be understood that, in other embodiments, the number of the rotating assemblies 101 provided in the first housing 301 and the second housing 302 is one or more; for example, in the first housing 301 and the second housing 302 A rotating assembly 101 is arranged in the middle position, and support plates 102 are respectively arranged on both sides of the rotating assembly 101; The components 101 may be arranged between the first housing 301 and the second housing 302 at intervals, and a support plate 102 may be provided on two adjacent rotating components 101 .

在上述实施的基础上，本实施例在两个转动组件101之间还设置有两个支撑板102，每个支撑板102分别与转动组件101中的转动件连接，支撑板102分别采用平板制作，并且支撑板102的表面平整。本实施例提供的支撑板102可以是一体件，靠近转动组件101的部分支撑板102与转动组件101中的转动件连接，另一部分支撑板102可延伸至两个转动组件101形成的空隙处，以为柔性显示屏200提供支撑面。On the basis of the above implementation, in this embodiment, two supporting plates 102 are further arranged between the two rotating components 101 , each supporting plate 102 is connected to the rotating member in the rotating component 101 respectively, and the supporting plates 102 are respectively made of flat plates , and the surface of the support plate 102 is flat. The support plate 102 provided in this embodiment may be an integral piece, a part of the support plate 102 close to the rotating assembly 101 is connected to the rotating part in the rotating assembly 101, and another part of the support plate 102 may extend to the gap formed by the two rotating assemblies 101, A support surface is provided for the flexible display screen 200 .

或者，支撑板102可分成多段；例如，支撑板102包括单独制作的连接板和位于两个转动组件101之间部分的平板；其中，连接板用于与转动组件101中的转动件连接，部分支撑板102设置于两个转动组件101形成的间隙处，且一侧与连接板连接。本实施例将以支撑板102分为多段为例，对本方案进行介绍；为便于对本方案进行介绍，本实施例中所描述的支撑板102仅为覆盖两个转动组件101之间空隙的部分平板；上述连接板可与转动件一体制作，即可视为转动件的一部分，并且支撑板102与转动件连接。Alternatively, the support plate 102 can be divided into multiple sections; for example, the support plate 102 includes a separately fabricated connecting plate and a flat plate located between the two rotating assemblies 101; wherein the connecting plate is used to connect with the rotating member in the rotating assembly 101, and the partial The support plate 102 is disposed at the gap formed by the two rotating assemblies 101, and one side is connected with the connecting plate. In this embodiment, the support plate 102 is divided into multiple sections as an example to introduce this solution; for the convenience of introducing this solution, the support plate 102 described in this embodiment is only a part of the flat plate covering the gap between the two rotating components 101 ; The above-mentioned connecting plate can be made integrally with the rotating member, that is, it can be regarded as a part of the rotating member, and the support plate 102 is connected with the rotating member.

示例性地，支撑板102可与靠近其设置的转动组件101连接，并跟随转动组件101同步转动；例如，参阅图4，两个支撑板102中的一个支撑板102与位于其左侧的转动组件101连接，另一个支撑板102与位于其右侧的转动组件101连接，两个支撑板102可随着转动组件101同步转动。Exemplarily, the support plate 102 can be connected with the rotating assembly 101 disposed close to it, and rotate synchronously with the rotating assembly 101; for example, referring to FIG. The assembly 101 is connected, and the other supporting plate 102 is connected with the rotating assembly 101 on the right side thereof, and the two supporting plates 102 can rotate synchronously with the rotating assembly 101 .

可以理解的是，一个支撑板102朝向第一壳体301的一侧固定在第一壳体301上，与第一壳体301连接的支撑板102远离第一壳体301的一侧并可跟随第一壳体301同步转动；另一个支撑板102朝向第二壳体302的一侧固定在第二壳体302上，与第二壳体302连接的支撑板，其远离第二壳体302的一侧可跟随第二壳体302同步转动。It can be understood that one side of the support plate 102 facing the first case 301 is fixed on the first case 301, and the support plate 102 connected to the first case 301 is away from the side of the first case 301 and can follow The first shell 301 rotates synchronously; the side of the other support plate 102 facing the second shell 302 is fixed on the second shell 302 , and the support plate connected with the second shell 302 is far away from the second shell 302 . One side can rotate synchronously with the second casing 302 .

本实施例可将两个支撑板102单独制作，两个支撑板102分别设置在第一壳体301 和第二壳体302之间，可便于制作转动组件101以及降低折叠装置100的装配难度。另外，当第一壳体301和第二壳体302处于展平状态时，两个支撑板102位于同一平面上，并且两个支撑板102远离壳体的一侧可平齐设置，即两个支撑板102远离壳体的一侧之间的缝隙较小，以增大对柔性显示屏200支撑面积，可提升柔性显示屏200的表面平整性。In this embodiment, two support plates 102 can be fabricated separately, and the two support plates 102 are respectively disposed between the first casing 301 and the second casing 302 , which can facilitate the fabrication of the rotating assembly 101 and reduce the assembly difficulty of the folding device 100 . In addition, when the first shell 301 and the second shell 302 are in a flattened state, the two support plates 102 are located on the same plane, and the sides of the two support plates 102 away from the shell can be arranged flush, that is, two The gap between the side of the support plate 102 away from the casing is small, so as to increase the supporting area for the flexible display screen 200 and improve the surface flatness of the flexible display screen 200 .

盖板103用于防护设置在第一壳体301与第二壳体302之间的转动组件101；如图5所示，并结合图1；本申请实施例中盖板103固定在基座的朝向壳体的背面一侧，并对第一壳体301和第二壳体302之间供折叠装置100的安装间隙进行遮盖，以提升手机的整体美观性，以及对安装在第一壳体301和第二壳体302之间的转动组件101、部分支撑板102进行防护，防止外界的灰尘进入转动组件101内，而影响转动组件101正常工作，从而提升折叠装置的可靠性。The cover plate 103 is used to protect the rotating assembly 101 disposed between the first casing 301 and the second casing 302; as shown in FIG. 5, in conjunction with FIG. 1; Facing the back side of the casing, and covering the installation gap between the first casing 301 and the second casing 302 for the folding device 100 to improve the overall aesthetics of the mobile phone, and for the installation of the first casing 301 The rotating assembly 101 and part of the supporting plate 102 between the second casing 302 are protected to prevent external dust from entering the rotating assembly 101 and affecting the normal operation of the rotating assembly 101, thereby improving the reliability of the folding device.

本实施例中转动组件101的一侧与第一壳体301连接，转动组件101的另一侧与第二壳体302连接，第一壳体301和第二壳体302通过转动组件101同步转动。如图6和图7所示，在一些可能的实施例中，转动组件101包括安装在基座10上的同步轮系40和与同步轮系40连接的两个转动件；两个转动件分别沿垂直于基座的长度方向分布于基座10的左右两侧；每个转动件上分别设置有弧形摆臂。基座10设置在第一壳体301和第二壳体302之间，基座10中间部分呈镂空结构或者设置有安装孔槽，以形成用于安装同步轮系40和两个弧形摆臂的安装空间11；在基座10的安装孔槽的侧面上设置有与弧形摆臂配合的弧形滑轨，以使弧形摆臂安装至对应的弧形滑轨上，并且两个弧形摆臂相对基座10可转动，两个弧形摆臂的旋转方向彼此相反，并且两个弧形摆臂的转动轴线的方向与基座10的长度方向平行。In this embodiment, one side of the rotating assembly 101 is connected to the first casing 301 , the other side of the rotating assembly 101 is connected to the second casing 302 , and the first casing 301 and the second casing 302 are rotated synchronously through the rotating assembly 101 . As shown in FIG. 6 and FIG. 7 , in some possible embodiments, the rotating assembly 101 includes a synchronous gear train 40 mounted on the base 10 and two rotating members connected with the synchronous gear train 40; the two rotating members are respectively Distributed on the left and right sides of the base 10 along the length direction perpendicular to the base; each rotating member is respectively provided with an arc-shaped swing arm. The base 10 is arranged between the first casing 301 and the second casing 302, and the middle part of the base 10 is hollowed out or provided with installation holes to form a synchronous gear train 40 and two arc-shaped swing arms for installation The installation space 11; the side of the installation hole groove of the base 10 is provided with an arc-shaped slide rail matched with the arc-shaped swing arm, so that the arc-shaped swing arm is installed on the corresponding arc-shaped slide rail, and the two arc The swing arm is rotatable relative to the base 10 , the rotation directions of the two arc swing arms are opposite to each other, and the directions of the rotation axes of the two arc swing arms are parallel to the length direction of the base 10 .

为便于描述本实施方案，本实施例可将两个转动件定义为第一转动件20和第二转动件30，第一转动件20包括第一弧形摆臂25，第二转动件30包括第二弧形摆臂32；定义基座10的宽度方向为第一方向，基座10的宽度方向与壳体300的长度方向平行；基座10的长度方向为第二方向，基座10的长度方向与壳体300的宽度方向平行。To facilitate the description of this embodiment, the two rotating members can be defined as a first rotating member 20 and a second rotating member 30 in this embodiment. The first rotating member 20 includes a first arc-shaped swing arm 25 , and the second rotating member 30 includes a The second arc-shaped swing arm 32; the width direction of the base 10 is defined as the first direction, the width direction of the base 10 is parallel to the length direction of the housing 300; the length direction of the base 10 is the second direction, the The longitudinal direction is parallel to the width direction of the casing 300 .

同步轮系40居中设置在安装空间11内，同步轮系40包括齿轮座45以及设置在齿轮座45上的两个转轴，每个转轴相对齿轮座45可转动；可理解的是，在一些实施例中，折叠装置未设置有齿轮座45，也可将两个转轴分别安装在基座10上，并且两个转轴沿垂直于基座10的长度方向分布于基座10的两侧，并相对基座10可转动。本实施例以将转轴设置在齿轮座45上，且齿轮座45固定在基座10上为例对本方案进行说明。The synchronizing gear train 40 is centrally arranged in the installation space 11, and the synchronizing gear train 40 includes a gear seat 45 and two rotating shafts arranged on the gear seat 45, and each rotating shaft is rotatable relative to the gear seat 45; it is understood that in some implementations In the example, the folding device is not provided with the gear seat 45, and two rotating shafts can also be installed on the base 10 respectively, and the two rotating shafts are distributed on both sides of the base 10 along the length direction perpendicular to the base 10, and are opposite to each other. The base 10 is rotatable. In this embodiment, the solution is described by taking as an example that the rotating shaft is arranged on the gear seat 45 and the gear seat 45 is fixed on the base 10 .

每个转轴的外周面上分别设置有第一齿轮，且位于两个转轴上的第一齿轮相互啮合；齿轮座45沿第一方向设置在基座10的安装空间11内；各第一齿轮沿第二方向设置在齿轮座45上，即第一齿轮的转动轴线方向与第二方向平行，并且各第一齿轮的转动轴线方向平行。其中，第一齿轮可以是直线齿轮，相互啮合且转向相反的两个第一齿轮中的一个齿轮与第一弧形摆臂25啮合，另一个齿轮与第二弧形摆臂啮合连接。First gears are respectively provided on the outer peripheral surface of each rotating shaft, and the first gears located on the two rotating shafts mesh with each other; the gear seat 45 is arranged in the installation space 11 of the base 10 along the first direction; The second direction is provided on the gear seat 45 , that is, the direction of the rotation axis of the first gear is parallel to the second direction, and the direction of the rotation axis of each of the first gears is parallel. Wherein, the first gear may be a linear gear, one of the two first gears that mesh with each other and turn oppositely is meshed with the first arc swing arm 25 , and the other gear is meshed and connected to the second arc swing arm.

具体地，与第一弧形摆臂25连接的第一齿轮的一端伸出齿轮座45外，并位于齿轮座45的左侧；第一弧形摆臂25的一端与第一壳体301连接，第一弧形摆臂25远离第一壳体301的一端与第一齿轮连接，可将来自第一壳体301的所产生的驱动力传递至同步轮系40。同样的，与第一弧形摆臂25所连接的第一齿轮啮合的另一个第一齿轮与第二弧形摆臂远离第二壳体302的一端连接，第二弧形摆臂的另一端与第二壳体302连接，即第一壳体301和第二壳体302分别通过第一弧形摆臂25、第二弧形摆臂与同步轮系40连接。Specifically, one end of the first gear connected with the first arc-shaped swing arm 25 extends out of the gear seat 45 and is located on the left side of the gear seat 45; one end of the first arc-shaped swing arm 25 is connected with the first housing 301 , one end of the first arc swing arm 25 away from the first casing 301 is connected with the first gear, which can transmit the driving force generated from the first casing 301 to the synchronous gear train 40 . Similarly, another first gear that meshes with the first gear connected to the first arc-shaped swing arm 25 is connected to one end of the second arc-shaped swing arm away from the second housing 302, and the other end of the second arc-shaped swing arm It is connected with the second casing 302, that is, the first casing 301 and the second casing 302 are respectively connected with the synchronous gear train 40 through the first arc swing arm 25 and the second arc swing arm.

本申请实施例将第一齿轮设置在齿轮座45上，简化了同步轮系40的结构，节省了同步轮系40的安装空间，尤其减少了同步轮系40沿第二方向上的安装空间；同时，两个弧形摆臂分别位于齿轮座45的两侧，且弧形摆臂与第一齿轮采用内齿轮啮合的方式传动连接，减少了弧形摆臂沿第一方向的长度，即减少了折叠装置100在第一方向上的安装空间，从而可使壳体300在第一方向上具有更多的用于布置电池和主板的空间，以增大手机的电池容量，以及可在主板布置更多的元器件，使手机具有更多的功能。In the embodiment of the present application, the first gear is arranged on the gear seat 45, which simplifies the structure of the synchronous gear train 40, saves the installation space of the synchronous gear train 40, and especially reduces the installation space of the synchronous gear train 40 in the second direction; At the same time, the two arc-shaped swing arms are located on both sides of the gear seat 45 respectively, and the arc-shaped swing arm and the first gear are connected by means of internal gear meshing, which reduces the length of the arc-shaped swing arm in the first direction, that is, reduces the The installation space of the folding device 100 in the first direction is reduced, so that the housing 300 can have more space for arranging the battery and the main board in the first direction, so as to increase the battery capacity of the mobile phone, and can be arranged on the main board. More components make mobile phones have more functions.

为实现第一壳体301和第二壳体302折叠或者展平，与第一弧形摆臂25、第二弧形摆臂连接的两个第一齿轮的转动方向需相反；如图8所示，对第一壳体301施加外力以使柔性显示屏200向内折叠时，第一壳体301上的驱动力传递至第一弧形摆臂25，并经第一弧形摆臂25传递至与第一弧形摆臂25连接的第一齿轮上，并经此第一齿轮传递至另一个第一齿轮，由于两个第一齿轮的转动方向相反，可使第二弧形摆臂与第一弧形摆臂25的转动方向相反，从而带动第二壳体302朝向第一壳体301相向转动，最终可使位于第一壳体301上的部分柔性显示屏200和位于第二壳体302上的另一部分柔性显示屏200贴合在一起。In order to realize the folding or flattening of the first casing 301 and the second casing 302, the rotation directions of the two first gears connected with the first arc swing arm 25 and the second arc swing arm need to be opposite; as shown in FIG. 8 As shown, when an external force is applied to the first casing 301 to fold the flexible display screen 200 inward, the driving force on the first casing 301 is transmitted to the first arc swing arm 25 and transmitted through the first arc swing arm 25 to the first gear connected with the first arc-shaped swing arm 25, and transmitted to another first gear through this first gear. Since the rotation directions of the two first gears are opposite, the second arc-shaped swing arm can be connected to the The rotation direction of the first arc-shaped swing arm 25 is opposite, so as to drive the second casing 302 to rotate toward the first casing 301, and finally the part of the flexible display screen 200 located on the first casing 301 and the part of the flexible display screen 200 located on the second casing Another part of the flexible display screen 200 on 302 is attached together.

如图9所示，本实施例提供的基座10可以是弧形块，其一侧为平面，平面位于基座10朝向柔性显示屏200的一侧，以使第一转动件20和第二转动件30处于展平状态时，第一转动件20和第二转动件30可分别贴合在基座10的平面上；基座10的另一侧为弧形面，盖板103固定在基座10的弧形面上。As shown in FIG. 9 , the base 10 provided in this embodiment may be an arc-shaped block, one side of which is a plane, and the plane is located on the side of the base 10 facing the flexible display screen 200 , so that the first rotating member 20 and the second When the rotating member 30 is in a flat state, the first rotating member 20 and the second rotating member 30 can be respectively attached to the plane of the base 10; the other side of the base 10 is an arc surface, and the cover plate 103 is fixed on the base. on the curved surface of the seat 10 .

基座10的中间部分设置有贯穿平面及弧形面的安装孔，以形成容纳转动件以及同步轮系40的安装空间11；沿基座10的第二方向，基座10的两端部分还分别设置有转动空间14，可避免弧形摆臂在转动过程中与基座10发生干涉。基座10的一端或者两端分别设置有通孔13，通孔13用于安装阻尼组件；通孔13的一端延伸至基座10的端面，另一端与安装空间11连通，并且通孔13的轴线方向与基座10的第二方向平行，即通孔13的轴线方向可与位于安装空间11内的弧形摆臂相对，以使安装在通孔13内的阻尼组件朝向转动组件的一端与弧形摆臂抵接。The middle part of the base 10 is provided with installation holes penetrating the plane and the arc surface to form the installation space 11 for accommodating the rotating part and the synchronous gear train 40; along the second direction of the base 10, the two ends of the base 10 are also Rotation spaces 14 are respectively provided, which can prevent the arc swing arm from interfering with the base 10 during the rotation process. One or both ends of the base 10 are respectively provided with a through hole 13, the through hole 13 is used for installing the damping component; one end of the through hole 13 extends to the end face of the base 10, the other end communicates with the installation space 11, and the through hole 13 The axis direction is parallel to the second direction of the base 10, that is, the axis direction of the through hole 13 can be opposite to the arc-shaped swing arm located in the installation space 11, so that the damping component installed in the through hole 13 faces the end of the rotating component. Arc swing arm abuts.

基座10还设置有用于固定盖板103、齿轮座45的安装孔，以将盖板103、齿轮座45通过螺钉的方式固定在基座10上。可理解的是，本实施例中基座10与盖板103以及齿轮座45不限于采用螺钉方式进行连接，还可以采用卡接或者其他连接方式。The base 10 is further provided with mounting holes for fixing the cover plate 103 and the gear seat 45 , so that the cover plate 103 and the gear seat 45 are fixed on the base 10 by means of screws. It is understandable that, in this embodiment, the base 10, the cover plate 103 and the gear seat 45 are not limited to be connected by means of screws, but can also be connected by snap connection or other connection means.

继续参阅图9，基座10在形成安装空间11的端面上还设置有弧形滑轨12，弧形滑轨12形成弧形摆臂的转动路径，以使弧形摆臂相对基座10转动。具体地，基座10设置有弧形缘条以形成弧形滑轨12；相应的，弧形摆臂设置有与弧形缘条相配合的导向滑槽，弧形摆臂通过导向滑槽嵌设在弧形缘条上，并且导向滑槽与弧形缘条之间具有一定间隙，可使弧形摆臂在驱动力的作用下沿弧形缘条转动。可理解的是，上述导向滑槽也可设置在基座10上，将弧形滑轨12设置在弧形摆臂上，此处不再赘述。本申请实施例中，弧形摆臂与基座10通过导向滑槽、弧形滑轨12连接在一起，并且弧形摆臂可相对基座10转动；同时，弧形摆臂可与第一齿轮保持啮合，从而提升了弧形摆臂转动过程中的稳定性以及弧形摆臂与同步轮系40动力传输的稳定性。Continuing to refer to FIG. 9 , the base 10 is further provided with an arc-shaped slide rail 12 on the end surface forming the installation space 11 , and the arc-shaped slide rail 12 forms a rotation path of the arc-shaped swing arm, so that the arc-shaped swing arm rotates relative to the base 10 . Specifically, the base 10 is provided with an arc-shaped edge strip to form the arc-shaped slide rail 12; correspondingly, the arc-shaped swing arm is provided with a guide chute matched with the arc-shaped edge strip, and the arc-shaped swing arm is embedded through the guide chute It is arranged on the arc-shaped edge strip, and there is a certain gap between the guide chute and the arc-shaped edge strip, so that the arc-shaped swing arm can rotate along the arc-shaped edge strip under the action of driving force. It is understandable that the above-mentioned guide chute can also be provided on the base 10, and the arc-shaped slide rail 12 is provided on the arc-shaped swing arm, which will not be repeated here. In the embodiment of the present application, the arc-shaped swing arm and the base 10 are connected together by the guide chute and the arc-shaped slide rail 12, and the arc-shaped swing arm can rotate relative to the base 10; at the same time, the arc-shaped swing arm can be connected with the first The gears are kept in mesh, thereby improving the stability during the rotation of the arc swing arm and the stability of the power transmission between the arc swing arm and the synchronous gear train 40 .

同步轮系40用于将第一壳体301上的驱动力经第一弧形摆臂25传递至第二弧形摆臂、第二壳体302；或者，将第二壳体302上的驱动力经第二弧形摆臂传递至第一弧形摆臂25、第一壳体301；可使第一壳体301和第二壳体302同步转动。如图10所示，本申请实施例提供的同步轮系40不仅只包括上述两个第一齿轮，还包括设置在两个第一齿轮之间的至少一对第二齿轮，第二齿轮作为传动齿轮；即设置在齿轮座45上的齿轮数量为偶数个，且每个齿轮的中心线方向相互平行。本实施例以在齿轮座45上设置有两个第一齿轮和两个第二齿轮为例，对本实施方案进行说明。The synchronous gear train 40 is used to transmit the driving force on the first casing 301 to the second arc swinging arm and the second casing 302 through the first arc swing arm 25 ; or, to transmit the driving force on the second casing 302 The force is transmitted to the first arc swing arm 25 and the first shell 301 through the second arc swing arm; the first shell 301 and the second shell 302 can be rotated synchronously. As shown in FIG. 10 , the synchronous gear train 40 provided in the embodiment of the present application not only includes the above-mentioned two first gears, but also includes at least a pair of second gears disposed between the two first gears. The second gears serve as a transmission Gears; that is, the number of gears arranged on the gear seat 45 is an even number, and the centerlines of each gear are parallel to each other. In this embodiment, two first gears and two second gears are provided on the gear seat 45 as an example to describe this embodiment.

具体地，齿轮座45整体呈弧形，沿齿轮座45的外缘的圆弧方向，其一端固定在基座10靠近第一壳体301的一侧，另一端固定在基座10靠近第二壳体302的一侧，即沿基座10的第一方向，齿轮座45的两端跨设在基座10的安装空间11内。为便于描述本实施例，两个第一齿轮可定义为第一同步齿轮41和第二同步齿轮42，其中，第一同步齿轮41和第二同步齿轮42分别位于齿轮座45的两端，即第一同步齿轮41可位于齿轮座45靠近第二壳体302的一端，且第一同步齿轮41与第一弧形摆臂25连接；第二同步齿轮42与第一同步齿轮41相对设置，第二同步齿轮42可位于齿轮座45靠近第一壳体301的一端，第二同步齿轮42与第二弧形摆臂连接。Specifically, the gear seat 45 has an arc shape as a whole, along the arc direction of the outer edge of the gear seat 45 , one end of the gear seat 45 is fixed on the side of the base 10 close to the first housing 301 , and the other end is fixed on the base 10 near the second shell 301 . On one side of the housing 302 , that is, along the first direction of the base 10 , both ends of the gear seat 45 are spanned within the installation space 11 of the base 10 . For the convenience of describing this embodiment, the two first gears may be defined as a first synchronization gear 41 and a second synchronization gear 42 , wherein the first synchronization gear 41 and the second synchronization gear 42 are located at both ends of the gear seat 45 , namely, The first synchronizing gear 41 may be located at one end of the gear seat 45 close to the second housing 302, and the first synchronizing gear 41 is connected with the first arc-shaped swing arm 25; the second synchronizing gear 42 is arranged opposite to the first synchronizing gear 41, Two synchronizing gears 42 may be located at one end of the gear seat 45 close to the first housing 301 , and the second synchronizing gears 42 are connected with the second arc-shaped swing arm.

两个第二齿轮定义为第一传动齿轮43和第二传动齿轮44，第一传动齿轮43和第二传动齿轮44分别位于齿轮座45的内部，并且第一传动齿轮43和第二传动齿轮44相对齿轮座45转动；其中，第一传动齿轮43与第一同步齿轮41啮合，第二传动齿轮44与第二同步齿轮42啮合，并且第一传动齿轮43与第二传动齿轮44相互啮合，即第一同步齿轮41、第一传动齿轮43、第二传动齿轮44以及第二同步齿轮42可依次啮合。The two second gears are defined as the first transmission gear 43 and the second transmission gear 44, the first transmission gear 43 and the second transmission gear 44 are respectively located inside the gear seat 45, and the first transmission gear 43 and the second transmission gear 44 It rotates relative to the gear base 45; wherein, the first transmission gear 43 meshes with the first synchronization gear 41, the second transmission gear 44 meshes with the second synchronization gear 42, and the first transmission gear 43 meshes with the second transmission gear 44, that is The first synchronization gear 41 , the first transmission gear 43 , the second transmission gear 44 and the second synchronization gear 42 can be meshed in sequence.

如图11所示，第一同步齿轮41包括第一驱动段411和第一传输段412，第一同步齿轮41安装在齿轮座45上并相对齿轮座45转动；其中，第一驱动段411位于齿轮座45的外侧，用于与第一弧形摆臂25连接；第一传输段412位于齿轮座45内，第一传输段412与第一传动齿轮43啮合。第一传动齿轮43可通过第一销轴431连接在齿轮座45上，并相对齿轮座45转动，可将第一同步齿轮41的驱动力传输至第二传动齿轮44上。As shown in FIG. 11 , the first synchronizing gear 41 includes a first driving segment 411 and a first transmission segment 412 . The first synchronizing gear 41 is mounted on the gear seat 45 and rotates relative to the gear seat 45 ; wherein the first driving segment 411 is located in the The outer side of the gear seat 45 is used to connect with the first arc-shaped swing arm 25 ; The first transmission gear 43 can be connected to the gear base 45 through the first pin shaft 431 and rotate relative to the gear base 45 to transmit the driving force of the first synchronizing gear 41 to the second transmission gear 44 .

第二同步齿轮42包括第二驱动段421和第二传输段422，第二同步齿轮42安装在齿轮座45的另一端，并与第一同步齿轮41相对设置；其中，第二驱动段421位于齿轮座45的外侧，用于与第二弧形摆臂连接；第二传输段422位于齿轮座45内，第二传输段422与第二传动齿轮44啮合。第二传动齿轮44可通过第二销轴432连接在齿轮座45上，并相对齿轮座45转动；进而可将由第一同步齿轮41上的驱动力依次经第一传动齿轮43、第二传动齿轮44并传递至第二同步齿轮42。或者，将来自第二同步齿轮42上的驱动力依次经第二传动齿轮44、第一传动齿轮43传递至第一同步齿轮41上，以实现第一同步齿轮41和第二同步齿轮42的同步转动。The second synchronizing gear 42 includes a second driving segment 421 and a second transmission segment 422. The second synchronizing gear 42 is mounted on the other end of the gear seat 45 and is opposite to the first synchronizing gear 41; wherein the second driving segment 421 is located at the The outer side of the gear seat 45 is used for connecting with the second arc-shaped swing arm; The second transmission gear 44 can be connected to the gear base 45 through the second pin 432 and rotate relative to the gear base 45; and then the driving force from the first synchronizing gear 41 can be passed through the first transmission gear 43 and the second transmission gear in turn. 44 and transmitted to the second synchronizing gear 42 . Alternatively, the driving force from the second synchronization gear 42 is sequentially transmitted to the first synchronization gear 41 through the second transmission gear 44 and the first transmission gear 43 to realize the synchronization of the first synchronization gear 41 and the second synchronization gear 42 turn.

本申请实施例中，两个弧形摆臂分别与位于齿轮座45外侧的驱动段啮合，即弧形摆臂位于齿轮座45的外侧并与驱动段采用内齿轮啮合的方式连接，可缩小弧形摆臂沿同步轮系40各齿轮动力传输方向上的尺寸，进而降低了折叠装置100的安装空间。In the embodiment of the present application, the two arc-shaped swing arms are respectively meshed with the drive section located outside the gear base 45, that is, the arc-shaped swing arm is located outside the gear base 45 and is connected with the drive section by means of internal gear meshing, which can reduce the arc The size of the swing arm along the power transmission direction of each gear of the synchronous gear train 40 further reduces the installation space of the folding device 100 .

本申请实施例提供的弧形摆臂包括挡板以及形成弧形表面的弧形端板，弧形端板的一侧设置有第一齿条，第一齿条为圆弧形齿条，圆弧形齿条位于挡板的下方，且圆弧形齿条与第一齿轮位于齿轮座45外的驱动段啮合，以实现弧形摆臂与上述第一齿轮的传动连接。挡板可位于圆弧形齿条远离第一齿轮的一侧，并且挡板固定在弧形端板上。可理解的是，本实施例中第一转动件和第二转动件30的结构相同，可选用以第一转动件20为例对弧形摆臂与同步轮系40的具体连接方式进行说明。The arc-shaped swing arm provided by the embodiment of the present application includes a baffle plate and an arc-shaped end plate forming an arc-shaped surface. One side of the arc-shaped end plate is provided with a first rack, and the first rack is a circular arc rack. The arc-shaped rack is located below the baffle plate, and the arc-shaped rack is engaged with the driving section of the first gear located outside the gear seat 45, so as to realize the transmission connection between the arc-shaped swing arm and the above-mentioned first gear. The baffle plate can be located on the side of the arc-shaped rack away from the first gear, and the baffle plate is fixed on the arc-shaped end plate. It is understandable that the structures of the first rotating member and the second rotating member 30 in this embodiment are the same, and the first rotating member 20 can be selected as an example to describe the specific connection method of the arc-shaped swing arm and the synchronous gear train 40 .

如图12所示，第一转动件20包括第一连接板21和与第一连接板21连接的第一弧形摆臂25，其中，第一弧形摆臂25包括位于其底端的弧形端板22以及位于弧形端板22与第一连接板21之间的挡板23；其中，第一连接板21可采用平板制作，第一连接板21用于与第一壳体301连接，以使将第一壳体301上的驱动力传递至第一弧形摆臂25。例如，第一连接板21靠近第一壳体301的一侧设置有与第一壳体301连接的安装孔，且第一壳体301与第一转动件20之间通过插接在安装孔内的螺钉固定在一起。相应的，第二转动件30包括第二连接板31和与第二连接件31连接的第二弧形摆臂32，对于第二连接板31和第二弧形摆臂32的结构可参照第一转动件20设置，此处不再赘述。As shown in FIG. 12 , the first rotating member 20 includes a first connecting plate 21 and a first arc-shaped swing arm 25 connected with the first connecting plate 21 , wherein the first arc-shaped swing arm 25 includes an arc-shaped swing arm 25 at its bottom end The end plate 22 and the baffle plate 23 between the arc-shaped end plate 22 and the first connecting plate 21; wherein, the first connecting plate 21 can be made of a flat plate, and the first connecting plate 21 is used for connecting with the first shell 301, In order to transmit the driving force on the first housing 301 to the first arc swing arm 25 . For example, a side of the first connecting plate 21 close to the first casing 301 is provided with an installation hole connected to the first casing 301 , and the first casing 301 and the first rotating member 20 are inserted into the installation hole by inserting screws together. Correspondingly, the second rotating member 30 includes a second connecting plate 31 and a second arc-shaped swing arm 32 connected to the second connecting member 31. For the structure of the second connecting plate 31 and the second arc-shaped swing arm 32, please refer to the first A rotating member 20 is provided, which will not be repeated here.

弧形端板22用于形成第一弧形摆臂25的弧形面，弧形端板22朝向第一连接板21的一侧设置有第一齿条24，第一齿条24可位于弧形端板22内表面朝向第一齿轮的一侧。例如，第一齿条24可以是设置在一个弧形端板22上的行星内齿轮，以在弧形端板22上形成与第一同步齿轮41的第一传输段412连接的啮合齿段。The arc-shaped end plate 22 is used to form the arc-shaped surface of the first arc-shaped swing arm 25 , and a first rack 24 is provided on the side of the arc-shaped end plate 22 facing the first connecting plate 21 , and the first rack 24 can be located in the arc The inner surface of the end plate 22 faces the side of the first gear. For example, the first rack 24 may be a planetary internal gear provided on one arc-shaped end plate 22 to form a meshing tooth segment connected with the first transmission segment 412 of the first synchronizing gear 41 on the arc-shaped end plate 22 .

如图13所示，第一挡板23固定在第一连接板21和弧形端板22之间，且第一挡板23与弧形端板22的连接位置位于第一齿条24远离上述第一同步齿轮41的一侧。第一挡板23远离第一同步齿轮41的表面上设置有导向滑槽231，导向滑槽231与设置在基座10上的弧形滑轨12配合，且导向滑槽231或者弧形滑轨12的中心线与第一同步齿轮41的中心线重合，即弧形滑轨12或者导向滑槽231的中心线与圆弧形齿条啮合的第一齿轮的中心线重合，以使第一弧形摆臂25与其啮合的第一同步齿轮41同步转动。可理解的是，在一些实施方式中，也可将上述导向滑槽231设置在弧形端板22的端面上，导向滑槽231与第一齿条24可相对设置。As shown in FIG. 13 , the first baffle plate 23 is fixed between the first connecting plate 21 and the arc-shaped end plate 22 , and the connection position of the first baffle plate 23 and the arc-shaped end plate 22 is located at the first rack 24 away from the above-mentioned One side of the first synchronizing gear 41 . A guide chute 231 is provided on the surface of the first baffle plate 23 away from the first synchronizing gear 41 . The center line of 12 and the center line of the first synchronizing gear 41 coincide, that is, the center line of the arc-shaped slide rail 12 or the guide chute 231 is coincident with the center line of the first gear meshed with the arc-shaped rack, so that the first arc The swing arm 25 rotates synchronously with the first synchronizing gear 41 meshed with it. It can be understood that, in some embodiments, the above-mentioned guide chute 231 may also be provided on the end surface of the arc-shaped end plate 22 , and the guide chute 231 and the first rack 24 may be disposed opposite to each other.

进一步的，第一挡板23还设置有与后续设置在基座10上的阻尼组件相配合的两个第一止位槽232，两个第一止位槽232分别位于阻尼组件在第一挡板23形成的转动路径上，并且两个第一止位槽232分别位于转动路径的两端。示例性地，两个第一止位槽232相对第一同步齿轮41的中心线的回转角度相差180°；当第一转动件20处于展平状态时，阻尼组件的端部可滑入其中一个第一止位槽232中，以使柔性显示屏200保持展平状态；当第一转动件20与第二弧形摆臂30处于折叠状态，并且第一转动件20和第二转动件30贴合时，阻尼组件的端部可滑入另一个第一止位槽232中，以使柔性显示屏200保持折叠状态，并且位于第一壳体301上的部分柔性显示屏200和位于第二壳体302上的另一部分柔性显示屏200贴合在一起。Further, the first baffle plate 23 is further provided with two first stop slots 232 which are matched with the damping components subsequently disposed on the base 10 , and the two first stop slots 232 are respectively located at the first stop of the damping component at the first stop. On the rotation path formed by the plate 23, and the two first stop grooves 232 are respectively located at two ends of the rotation path. Exemplarily, the rotation angles of the two first stop grooves 232 relative to the center line of the first synchronizing gear 41 differ by 180°; when the first rotating member 20 is in a flattened state, the end of the damping assembly can slide into one of them in the first stop groove 232 to keep the flexible display screen 200 in a flat state; when the first rotating member 20 and the second arc-shaped swing arm 30 are in a folded state, and the first rotating member 20 and the second rotating member 30 are When closed, the end of the damping assembly can slide into another first stop groove 232 to keep the flexible display screen 200 in a folded state, and the part of the flexible display screen 200 located on the first shell 301 and the part of the flexible display screen 200 located on the second shell Another part of the flexible display screen 200 on the body 302 is attached together.

如图14所示，在上述实施例的基础上，本申请实施例在两个第一止位槽232之间还设置有导向槽234，两个第一止位槽232分别位于导向槽234的两端；导向槽234为弧形槽，且导向槽234与上述转动路径重合，或者说，转动路径可以是设置在第一挡板23的上导向槽234形成的，导向槽234与阻尼组件的端部配合，可使阻尼组件的端部嵌设在导向槽234内，并可沿导向槽234滑动；以提升第一转动件20转动的稳定性。As shown in FIG. 14 , on the basis of the above-mentioned embodiment, the embodiment of the present application is further provided with a guide groove 234 between the two first stop grooves 232 , and the two first stop grooves 232 are respectively located at the edges of the guide grooves 234 . Both ends; the guide groove 234 is an arc-shaped groove, and the guide groove 234 coincides with the above-mentioned rotation path, or the rotation path can be formed by the upper guide groove 234 provided on the first baffle 23, and the guide groove 234 and the damping component are formed. The end part is matched, so that the end part of the damping component can be embedded in the guide groove 234 and can slide along the guide groove 234 , so as to improve the rotation stability of the first rotating member 20 .

如图15所示，本申请实施例在两个第一止位槽232之间还设置有至少一个第二止位槽233，且第二止位槽233位于上述转动路径上。例如，两个第一止位槽232之间设置有两个第二止位槽233，两个第二止位槽233分别位于导向槽234上，即当第一转动件20相对基座10转动时，设置在基座10上的阻尼组件的端部可滑入第二止位槽233或者从第二止位槽233中滑出；相应的，柔性显示屏200可处于不同的折叠状态，柔性显示屏200形成的折叠夹角可以是90°或者120°，可满足不同用户的视觉角度需求。As shown in FIG. 15 , in the embodiment of the present application, at least one second stop groove 233 is further provided between the two first stop grooves 232 , and the second stop groove 233 is located on the above-mentioned rotation path. For example, two second stop slots 233 are disposed between the two first stop slots 232 , and the two second stop slots 233 are respectively located on the guide grooves 234 , that is, when the first rotating member 20 rotates relative to the base 10 , the end of the damping component provided on the base 10 can slide into the second stop slot 233 or slide out from the second stop slot 233; correspondingly, the flexible display screen 200 can be in different folding states, flexible The folding angle formed by the display screen 200 may be 90° or 120°, which can meet the visual angle requirements of different users.

可理解的是，对于设置在两个第一止位槽232之间的第二止位槽233的数量不加以限制，可根据用户的对柔性显示屏200的不同视觉角度需求进行设置。另外，本实施例中，两个第二止位槽233还可设置在导向槽234上，即导向槽234的两端不仅设置有两个第一止位槽232，在导向槽234上还设置有多个第二止位槽233。It is understandable that the number of the second stop slots 233 disposed between the two first stop slots 232 is not limited, and can be set according to the user's requirements for different visual angles of the flexible display screen 200 . In addition, in this embodiment, the two second stop grooves 233 can also be arranged on the guide groove 234 , that is, the two first stop grooves 232 are not only provided on both ends of the guide groove 234 , but also on the guide groove 234 . There are a plurality of second stop grooves 233 .

在上述实施例的基础上，如图12至图15所示，本实施例提供的第一连接板21还设置有与支撑板102搭接的定位边211，定位边211与其中一个支撑板102连接；支撑板102设置有与定位边211配合的定位槽，支撑板102可通过定位边、定位槽连接在一起，以保证支撑板102与第一连接板21同步转动。On the basis of the above embodiment, as shown in FIGS. 12 to 15 , the first connecting plate 21 provided in this embodiment is further provided with a positioning edge 211 overlapping with the support plate 102 , and the positioning edge 211 is connected to one of the support plates 102 . Connection; the support plate 102 is provided with a positioning groove matched with the positioning edge 211 , and the support plate 102 can be connected together through the positioning edge and the positioning groove to ensure that the support plate 102 and the first connecting plate 21 rotate synchronously.

参阅图6和图9，本申请实施例中折叠装置100中的阻尼组件包括两个阻尼组50，两个阻尼组50沿垂直于基座的长度方向分布于基座10的两侧，沿基座10的第二方向，基座10设置有用于安装阻尼组50的通孔13，且通孔13的轴线方向与基座10的第二方向平行，通孔13的一端延伸至基座10的安装空间11内。Referring to FIGS. 6 and 9 , the damping assembly in the folding device 100 in this embodiment of the present application includes two damping groups 50 , and the two damping groups 50 are distributed on both sides of the base 10 along the length direction perpendicular to the base. In the second direction of the seat 10, the base 10 is provided with a through hole 13 for installing the damping group 50, and the axis direction of the through hole 13 is parallel to the second direction of the base 10, and one end of the through hole 13 extends to the bottom of the base 10. in the installation space 11.

阻尼组50朝向安装空间11的一端与设置在安装空间11内的弧形摆臂弹性抵接，并形成点接触；同时，在弧形摆臂与阻尼组50的端部形成摩擦力，以为弧形摆臂在相对基座10的转动过程中提供阻尼。本实施例中，阻尼组50的端部与弧形摆臂抵接并形成点接触，减少了阻尼组件的端部摩擦面积，可减轻阻尼组件在长期使用后的磨损情况，使折叠装置100长期使用后具有良好的阻尼效果。The end of the damping group 50 facing the installation space 11 is in elastic contact with the arc-shaped swing arm arranged in the installation space 11, and forms a point contact; at the same time, a friction force is formed between the arc-shaped swing arm and the end of the damping group 50, which is an arc The shaped swing arm provides damping during rotation relative to the base 10 . In this embodiment, the end of the damping group 50 abuts against the arc-shaped swing arm and forms point contact, which reduces the friction area of the end of the damping assembly, reduces the wear of the damping assembly after long-term use, and makes the folding device 100 long-term. It has good damping effect after use.

如图16所示，本申请实施例中阻尼组件可包括至少一个阻尼组，为提升折叠装置100的阻尼效果，本申请实施例中可在一个转动组件101中设置有两个阻尼组，每个转动组件101包括两个阻尼组50，沿基座10的第二方向，两个阻尼组50分别设置在基座10的左、右两侧。基座10的两侧分别设置有两个通孔13，每个通孔13的一端延伸至基座10的端面，通孔13的另一端贯通至基座10的安装空间11内，以使安装在通孔13内的阻尼组50的端部与弧形摆臂相对并抵接，可理解的是，阻尼组50的端部弹性抵接在弧形摆臂的挡板上并形成点接触。As shown in FIG. 16 , in this embodiment of the present application, the damping assembly may include at least one damping group. In order to improve the damping effect of the folding device 100 , in this embodiment of the present application, two damping groups may be provided in one rotating assembly 101 , each The rotating assembly 101 includes two damping groups 50 , and the two damping groups 50 are respectively disposed on the left and right sides of the base 10 along the second direction of the base 10 . Two through holes 13 are respectively provided on both sides of the base 10 , one end of each through hole 13 extends to the end face of the base 10 , and the other end of the through hole 13 penetrates into the installation space 11 of the base 10 to enable the installation The end of the damping group 50 in the through hole 13 is opposite to and abuts against the arc-shaped swing arm. It can be understood that the end of the damping group 50 elastically abuts on the baffle of the arc-shaped swing arm and forms point contact.

如图17所示，本申请实施例提供的阻尼组50包括阻尼件和弹性件和端盖，其中，弹性件位于端盖与阻尼件之间；阻尼件可以是滚珠53、弹性件可以是弹簧52，其中，端盖51可以是圆筒状结构，并且端盖51的一端开口，另一端设置有密封端面，端盖51的侧壁用于与基座10连接；弹簧52的一端插接至端盖51内，并与端盖51的端面抵接或者固定连接，弹簧52的另一端固定有滚珠53，滚珠53远离弹簧52的侧面与弧形摆臂的挡板弹性抵接并形成点接触。As shown in FIG. 17 , the damping group 50 provided in the embodiment of the present application includes a damping member, an elastic member and an end cover, wherein the elastic member is located between the end cover and the damping member; the damping member may be a ball 53 and the elastic member may be a spring 52, wherein, the end cover 51 can be a cylindrical structure, and one end of the end cover 51 is open, and the other end is provided with a sealing end surface, and the side wall of the end cover 51 is used to connect with the base 10; one end of the spring 52 is inserted into the Inside the end cover 51, and abutting or fixedly connected with the end surface of the end cover 51, the other end of the spring 52 is fixed with a ball 53, and the side of the ball 53 away from the spring 52 elastically abuts and forms a point contact with the baffle of the arc-shaped swing arm .

具体地，端盖51的侧壁上设置有外螺纹，基座10的通孔13的内表面设置有与端盖51的外螺纹配合的内螺纹，端盖51与基座10可通过内螺纹、外螺纹连接在一起；弹簧52可以是螺旋弹簧52，弹簧52的一端***端盖51内并与弹簧52的端面抵接；滚珠53可部分嵌设在弹簧52内并固定，滚珠53的另一端与弧形摆臂抵接并形成点接触。Specifically, the side wall of the end cover 51 is provided with an external thread, the inner surface of the through hole 13 of the base 10 is provided with an internal thread matched with the external thread of the end cover 51, and the end cover 51 and the base 10 can pass through the internal thread The spring 52 can be a coil spring 52, one end of the spring 52 is inserted into the end cover 51 and abuts with the end face of the spring 52; the ball 53 can be partially embedded in the spring 52 and fixed, and the other end of the ball 53 One end abuts with the arc swing arm and forms a point contact.

进一步的，为便于将端盖51安装在基座10上，端盖51的端面的外侧设置有供安装工具插接的十字形槽或者一字形槽，待需要将阻尼组50安装至基座10的通孔13内时，安装工具与端盖51连接并旋转端盖51。本实施例还可通过安装工具调整端盖51在基座10上安装位置，可调节弹簧52的预紧力，从而调整滚珠53与弧形摆臂之间的摩擦力，从而调整折叠装置100的阻尼效果。Further, in order to facilitate the installation of the end cover 51 on the base 10 , the outer side of the end surface of the end cover 51 is provided with a cross-shaped groove or a straight-line groove for the installation tool to be inserted into, and the damping group 50 needs to be installed on the base 10 . When inside the through hole 13, the installation tool is connected with the end cover 51 and rotates the end cover 51. In this embodiment, the installation position of the end cover 51 on the base 10 can also be adjusted by the installation tool, and the pre-tightening force of the spring 52 can be adjusted, thereby adjusting the friction force between the ball 53 and the arc-shaped swing arm, thereby adjusting the folding device 100 Damping effect.

在上述实施例的基础上，本申请实施例阻尼组50还包括顶杆54，顶杆54位于弹簧52与滚珠53之间，顶杆54的一端弹簧52连接，顶杆54的另一端与滚珠53连接，以使弹簧52的弹力沿其轴向传递至滚珠53，以为折叠装置100提供稳定的阻尼效果。顶杆54与弹簧52的连接方式有多种，其可以是在顶杆54朝向弹簧52的侧面设置有定位槽，并将弹簧52的一端嵌设在定位槽中；顶杆54的另一端可设置有用于固定滚珠53的凹槽，部分滚珠53嵌设在凹槽中，部分滚珠53位于凹槽外；位于凹槽外的滚珠53部分与弧形摆臂抵接。On the basis of the above-mentioned embodiment, the damping group 50 in this embodiment of the present application further includes a top rod 54, the top rod 54 is located between the spring 52 and the ball 53, one end of the top rod 54 is connected to the spring 52, and the other end of the top rod 54 is connected to the ball 53 is connected, so that the elastic force of the spring 52 is transmitted to the ball 53 along its axial direction, so as to provide a stable damping effect for the folding device 100 . There are many ways to connect the ejector rod 54 and the spring 52. It can be that a positioning groove is provided on the side of the ejector rod 54 toward the spring 52, and one end of the spring 52 is embedded in the positioning groove; the other end of the ejector rod 54 can be There are grooves for fixing the balls 53, some of the balls 53 are embedded in the grooves, and some of the balls 53 are located outside the grooves; some of the balls 53 outside the grooves are in contact with the arc-shaped swing arm.

在另一实施方式中，顶杆54可以是呈阶梯状的圆柱杆，即顶杆54包括大径段和小径段，大径段和小径段之间的过渡处形成台阶面；弹簧52的一端插接至端盖51内并与端盖51的端面抵接，弹簧52远离端盖51套接在顶杆54的小径段，并与顶杆54的台阶面抵接；顶杆54的大径段的端面上设置有凹槽，凹槽的深度可与滚珠53配合设置，使部分滚珠53嵌设在凹槽中，部分滚珠53位于凹槽外；位于凹槽外的部分滚珠53与弧形摆臂的挡板弹性抵接，并且滚珠53与挡板之间形成点接触。进一步的，滚珠53可嵌设在凹槽内，并相对顶杆转动，以降低滚珠与挡板之间的摩擦力，从而避免阻尼组50长时间使用后，阻尼组50的端部磨损严重，从而影响阻尼组50的阻尼效果。In another embodiment, the top rod 54 may be a stepped cylindrical rod, that is, the top rod 54 includes a large-diameter section and a small-diameter section, and the transition between the large-diameter section and the small-diameter section forms a stepped surface; one end of the spring 52 Inserted into the end cover 51 and abutted with the end face of the end cover 51, the spring 52 is sleeved on the small diameter section of the ejector rod 54 away from the end cover 51, and abuts with the stepped surface of the ejector rod 54; the large diameter of the ejector rod 54 The end face of the segment is provided with grooves, and the depth of the grooves can be matched with the balls 53, so that some balls 53 are embedded in the grooves, and some balls 53 are located outside the grooves; The baffle of the swing arm elastically abuts, and a point contact is formed between the ball 53 and the baffle. Further, the balls 53 can be embedded in the grooves and rotate relative to the ejector rod to reduce the friction between the balls and the baffle, thereby preventing the end of the damping group 50 from being seriously worn after long-term use. Thus, the damping effect of the damping group 50 is affected.

如图18所示，本申请实施例中的阻尼组50的端部与第一弧形摆臂25的挡板相对设置，即阻尼组50安装在基座10后，其滚珠53与第一挡板23抵接；第一挡板23朝向滚珠53的一侧设置有两个第一止位槽232；当第一弧形摆臂25相对基座10转动时，部分滚珠53嵌设在导向槽234内；第一弧形摆臂25转动一定角度后，滚珠53可滑入其中一个第一止位槽232内，此时柔性显示屏200可呈展平状态；第一弧形摆臂25反向转动，滚珠53可从此第一止位槽232内滑出，随着第一弧形摆臂25继续反向转动，滚珠53可滑入另一个第一止位槽232中，此时柔性显示屏200可呈折叠状态。As shown in FIG. 18 , the end of the damping group 50 in the embodiment of the present application is disposed opposite to the baffle of the first arc-shaped swing arm 25 , that is, after the damping group 50 is installed on the base 10 , the balls 53 of the damping group 53 are in contact with the first stopper. The side of the first baffle plate 23 facing the balls 53 is provided with two first stop grooves 232; when the first arc swing arm 25 rotates relative to the base 10, some of the balls 53 are embedded in the guide grooves 234; after the first arc swing arm 25 is rotated by a certain angle, the ball 53 can slide into one of the first stop slots 232, and the flexible display screen 200 can be in a flat state at this time; the first arc swing arm 25 is reversed. The ball 53 can be slid out of the first stop groove 232 when rotated in the opposite direction. As the first arc swing arm 25 continues to rotate in the opposite direction, the ball 53 can slide into the other first stop groove 232. At this time, the flexible display The screen 200 may be in a folded state.

本申请实施例在基座10的一侧设置有阻尼组50，并且阻尼组50的端部与第一挡板23弹性抵接，以使位于阻尼组50端部的滚珠53与第一挡板23形成点接触，减少了阻尼组50与第一弧形摆臂25的摩擦面积，防止阻尼组50长时间使用后，阻尼组50的端部磨损严重，从而提升了阻尼组50的阻尼效果，从而阻尼组件为折叠装置提供稳定的阻尼力，以使可折叠电子设备在折叠时保持顺畅，提升用户体验。In the embodiment of the present application, a damping group 50 is provided on one side of the base 10 , and the end of the damping group 50 is in elastic contact with the first baffle plate 23 , so that the balls 53 located at the end of the damping group 50 are in contact with the first baffle plate 23 . 23 forms a point contact, which reduces the friction area between the damping group 50 and the first arc-shaped swing arm 25, prevents the end of the damping group 50 from being seriously worn after the damping group 50 is used for a long time, thereby improving the damping effect of the damping group 50, Therefore, the damping component provides a stable damping force for the folding device, so that the foldable electronic device can be kept smooth when folded, and the user experience can be improved.

在本申请实施例的描述中，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”应作广义理解，例如，可以是固定连接，也可以是通过中间媒介间接相连，可以是两个元件内部的相连或者两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请实施例中的具体含义。In the description of the embodiments of the present application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a The indirect connection through an intermediate medium may be an internal connection between two elements or an interaction relationship between the two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present application according to specific situations.

本申请实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”、“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the embodiments of the present application and the above-mentioned drawings are used to distinguish similar objects, while It is not necessary to describe a particular order or sequence.

最后应说明的是：以上各实施例仅用以说明本申请实施例的技术方案，而非对其限制；尽管参照前述各实施例对本申请实施例进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请实施例各实施例技术方案的范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, but not to limit them; It should be understood that: it is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the embodiments of the present application The scope of the technical solutions of each embodiment.

Claims

一种折叠装置，应用于可折叠的电子设备，其特征在于，包括A folding device, applied to a foldable electronic device, is characterized in that it comprises:

基座；pedestal;

转动组件，包括沿垂直于所述基座的长度方向分布于所述基座两侧的两个转动件；a rotating assembly, comprising two rotating parts distributed on both sides of the base along a length direction perpendicular to the base;

每个所述转动件上设置有弧形摆臂，所述基座上设置有与每个所述弧形摆臂对应的弧形滑轨，通过所述弧形摆臂和对应的所述弧形滑轨滑动配合，以使所述两个转动件相对所述基座转动且旋转方向彼此相反；所述两个转动件的转动轴线与所述基座的长度方向平行；Each of the rotating members is provided with an arc-shaped swing arm, and an arc-shaped slide rail corresponding to each of the arc-shaped swing arms is disposed on the base. The sliding rails are slidably matched, so that the two rotating parts rotate relative to the base and the rotation directions are opposite to each other; the rotation axes of the two rotating parts are parallel to the length direction of the base;

阻尼组件，包括沿垂直于所述基座的长度方向分布于所述基座两侧的两个阻尼组，每个所述阻尼组包括阻尼件和弹性件，每个所述阻尼组的延伸方向与所述基座的长度方向平行；所述阻尼组设置于所述基座内，通过所述弹性件的弹力将所述阻尼件抵持至位于同一侧的所述弧形摆臂的一侧。A damping assembly, comprising two damping groups distributed on both sides of the base along a length direction perpendicular to the base, each of the damping groups including a damping member and an elastic member, and the extension direction of each of the damping groups parallel to the length direction of the base; the damping group is arranged in the base, and the damping member is pressed against the side of the arc-shaped swing arm located on the same side by the elastic force of the elastic member .
根据权利要求1所述的折叠装置，其特征在于，还包括沿垂直于所述基座的长度方向分布于所述基座两侧且与所述基座转动连接的两个转轴；The folding device according to claim 1, further comprising two rotating shafts distributed on both sides of the base along a length direction perpendicular to the base and rotatably connected to the base;

所述转轴设置于位于同一侧的所述弧形摆臂背离所述阻尼组的一侧，每个所述转轴的周面设置有第一齿轮，且所述两个转轴上的第一齿轮相互啮合；The rotating shaft is arranged on the side of the arc-shaped swing arm located on the same side away from the damping group, the peripheral surface of each rotating shaft is provided with a first gear, and the first gears on the two rotating shafts are mutually mesh;

每个所述弧形摆臂的弧形表面设置有第一齿条，所述第一齿轮与位于同一侧的所述弧形摆臂的第一齿条相互啮合。The arc-shaped surface of each arc-shaped swing arm is provided with a first rack, and the first gear and the first rack of the arc-shaped swing arm located on the same side mesh with each other.
根据权利要求2所述的折叠装置，其特征在于，还包括设置于所述两个第一齿轮之间的两个第二齿轮，每个所述第一齿轮与位于所述同一侧的所述第二齿轮啮合，所述两个所述第二齿轮相互啮合。The folding device according to claim 2, further comprising two second gears disposed between the two first gears, each of the first gears and the one located on the same side The second gear is meshed, and the two second gears are meshed with each other.
根据权利要求3所述的折叠装置，其特征在于，所述基座上设置有齿轮座，两个所述第一齿轮及两个所述第二齿轮分别安装在所述齿轮座上；The folding device according to claim 3, wherein a gear seat is provided on the base, and the two first gears and the two second gears are respectively mounted on the gear seat;

所述第一齿轮包括驱动段和传输段；其中，所述驱动段位于所述齿轮座的外侧，并与对应的所述第一齿条啮合；所述传输段位于所述齿轮座内，并与位于所述齿轮座内的所述第二齿轮啮合。The first gear includes a driving section and a transmission section; wherein, the driving section is located outside the gear seat and meshes with the corresponding first rack; the transmission section is located in the gear seat and is meshes with the second gear located in the gear holder.
根据权利要求1至4任一项所述的折叠装置，其特征在于，所述基座设置有用于安装所述阻尼组的安装孔；The folding device according to any one of claims 1 to 4, wherein the base is provided with a mounting hole for mounting the damping group;

所述阻尼组还包括端盖，所述端盖固定在所述安装孔的一端；所述弹性件的一端与所述端盖抵接，所述弹性件的另一端与所述阻尼件连接，且所述阻尼件与所述弧形摆臂的一侧抵接。The damping group further includes an end cover, which is fixed at one end of the mounting hole; one end of the elastic piece is in contact with the end cover, and the other end of the elastic piece is connected with the damping piece, And the damping member is in contact with one side of the arc-shaped swing arm.
根据权利要求5所述的折叠装置，其特征在于，所述阻尼组还包括顶杆，所述顶杆设置在所述阻尼件与所述弹性件之间，所述顶杆的一端与所述弹性件远离所述端盖的一端连接，所述阻尼件设置在所述顶杆的另一端。The folding device according to claim 5, wherein the damping group further comprises a top rod, the top rod is arranged between the damping member and the elastic member, and one end of the top rod is connected to the One end of the elastic piece away from the end cap is connected, and the damping piece is arranged on the other end of the top rod.
根据权利要求6所述的折叠装置，其特征在于，所述弹性件为螺旋弹簧，所述阻尼件为滚珠，所述顶杆为呈阶梯状的圆柱杆；The folding device according to claim 6, wherein the elastic member is a coil spring, the damping member is a ball, and the ejector rod is a stepped cylindrical rod;

所述圆柱杆的小径段***所述螺旋弹簧远离所述端盖的一端，所述圆柱杆的大径段设置有凹槽，所述滚珠嵌设在所述凹槽中，且所述滚珠的一部分位于所述凹槽外。The small diameter section of the cylindrical rod is inserted into the end of the coil spring away from the end cover, the large diameter section of the cylindrical rod is provided with a groove, the ball is embedded in the groove, and the ball is A part is outside the groove.
根据权利要求7所述的折叠装置，其特征在于，所述滚珠设置在所述凹槽内，并相对所述顶杆转动。The folding device according to claim 7, wherein the ball is arranged in the groove and rotates relative to the ejector rod.
根据权利要求1至8任一项所述的折叠装置，其特征在于，所述弧形摆臂包括挡板；The folding device according to any one of claims 1 to 8, wherein the arc-shaped swing arm comprises a baffle;

所述挡板连接在所述弧形摆臂的弧形表面上，且所述挡板设置有与所述弧形滑轨配合的弧形的导向滑槽。The baffle is connected to the arc-shaped surface of the arc-shaped swing arm, and the baffle is provided with an arc-shaped guide chute matched with the arc-shaped sliding rail.
根据权利要求9所述的折叠装置，其特征在于，所述挡板与每个所述阻尼组相对设置，所述挡板设置有两个第一止位槽；The folding device according to claim 9, wherein the baffle is arranged opposite to each of the damping groups, and the baffle is provided with two first stop grooves;

两个所述第一止位槽分别位于所述阻尼组的端部对应在所述挡板上的转动路径的两端；The two first stop grooves are respectively located at the ends of the damping group corresponding to the two ends of the rotation path on the baffle plate;

所述阻尼组的端部可滑入或滑出任一所述第一止位槽。The end of the damping group can slide into or out of any of the first stop slots.
根据权利要求10所述的折叠装置，其特征在于，所述挡板还设置有导向槽，且所述阻尼组朝向所述转动组件的端部位于所述导向槽内；两个所述第一止位槽位于所述导向槽的两端。The folding device according to claim 10, wherein the baffle plate is further provided with a guide groove, and the end of the damping group facing the rotating assembly is located in the guide groove; Stop grooves are located at both ends of the guide groove.
根据权利要求11所述的折叠装置，其特征在于，所述导向槽还设置有第二止位槽，且所述第二止位槽位于两个所述第一止位槽之间。The folding device according to claim 11, wherein the guide groove is further provided with a second stop groove, and the second stop groove is located between the two first stop grooves.
一种可折叠的电子设备，其特征在于，包括柔性显示屏、两个壳体以及权利要求1至12任一项所述的折叠装置；所述两个壳体分别与所述折叠装置中的两个转动件固定连接；A foldable electronic device, characterized in that it comprises a flexible display screen, two casings, and the folding device according to any one of claims 1 to 12; Two rotating parts are fixedly connected;

所述柔性显示屏覆盖于所述两个壳体以及所述折叠装置上。The flexible display screen covers the two casings and the folding device.