WO2023036060A1

WO2023036060A1 - Electronic device

Info

Publication number: WO2023036060A1
Application number: PCT/CN2022/116763
Authority: WO
Inventors: 刘柠林; 徐义雄
Original assignee: 维沃移动通信有限公司
Priority date: 2021-09-08
Filing date: 2022-09-02
Publication date: 2023-03-16
Also published as: CN113746965A; CN113746965B

Abstract

The present application discloses an electronic device, which belongs to the technical field of electronics. The electronic device comprises a flexible screen, a support assembly, and a connecting assembly. The support assembly comprises a fixed body, a first moving body, and a second moving body, and the first moving body and/or the second moving body may move relative to the fixed body. The connecting assembly comprises a first support and a flexible circuit board, the flexible circuit board is wound on the first support, two ends of the flexible circuit board are provided with a first interface and a second interface connected to one another, the first interface is connected to a first device located on the first moving body, and the second interface is connected to a second device located on the second moving body. When the first moving body and/or the second moving body move relative to the fixed body, the first support rotates relative to the fixed body so as to wind or release the flexible circuit board.

Description

Electronic equipment

Cross References to Related Applications

This application claims priority to Chinese Patent Application No. 202111049404.6 filed in China on September 08, 2021, the entire contents of which are hereby incorporated by reference.

technical field

The present application relates to the field of electronic technology, and in particular to an electronic device.

Background technique

In related scrolling screen smart terminal solutions, electronic devices are generally arranged on the side of the fixed bracket or on the side of the transmission bracket. For the bidirectionally stretched scrolling screen structure, some devices may also need to be arranged on the scrolling screen fixing bracket and the transmission bracket at the same time. situation on both sides. When there are two or more devices that can move relative to each other in the scrolling screen, such as cameras, infrared sensors, fingerprints and other devices and printed circuit boards are arranged on different brackets and there is relative motion, these devices that will move relative to each other The connection is difficult, which leads to the limitation of the layout position of the device in the scroll screen terminal, and the layout is inconvenient. If a flexible circuit board is used to directly electrically connect two relatively movable devices, the flexible circuit board is easily damaged when the device is stretched or folded.

Contents of the invention

The purpose of the embodiment of the present application is to provide an electronic device, which can solve the problem that the flexible circuit board will follow the device when it wants to directly electrically connect two relatively movable devices inside the electronic device. The problem of easy damage during stretching or folding.

In order to solve the above-mentioned technical problems, the application is implemented as follows:

An embodiment of the present application provides an electronic device, which includes: a flexible screen, a support component, and a connection component;

The support assembly includes a fixed body and a first moving body and a second moving body arranged on opposite sides of the fixed body, the first moving body and the second moving body are both movably connected to the fixed body, The flexible screen is arranged on the support assembly, and the first moving body and/or the second moving body can move relative to the fixed body to drive the flexible screen to unfold or collapse;

The connection assembly includes a first bracket and a flexible circuit board, the first bracket is rotatably connected to the fixed body, part of the flexible circuit board is wound on the first bracket, and the flexible circuit board Both ends are provided with a first interface and a second interface connected to each other, the first interface is connected with the first device located on the first mobile body, and the second interface is connected with the device located on the second mobile body. Second device connection;

Wherein, when the first moving body and/or the second moving body moves relative to the fixed body, the first bracket rotates relative to the fixed body to wind up or release the flexible circuit board.

Optionally, the connecting assembly further includes a coil spring and a second bracket, the first bracket is movably connected to the second bracket, the second bracket is fixedly connected to the fixed main body, and the coil spring is coiled on the first bracket and connected to the second bracket.

Optionally, the flexible circuit board includes a first flexible circuit board and a second flexible circuit board, the first end of the first flexible circuit board is electrically connected to the first end of the second flexible circuit board, and the The first interface is arranged at the second end of the first flexible circuit board, and the second interface is arranged at the second end of the second flexible circuit board.

Optionally, the first end of the first flexible circuit board and the first end of the second flexible circuit board are provided with positioning holes, the first bracket is provided with a positioning column, and the first flexible circuit board The first end of the board and the first end of the second flexible circuit board are fixed on the positioning post through the positioning hole.

Optionally, the first flexible circuit board and the second flexible circuit board are integrally formed, and the first end of the first flexible circuit board is integrally connected with the first end of the second flexible circuit board; Wherein, the first flexible circuit board and the second flexible circuit board are arranged in a line, and the first flexible circuit board and the second flexible circuit board are stacked and wound on the same position of the first bracket Alternatively, the first flexible circuit board and the second flexible circuit board are arranged in parallel, and the first flexible circuit board and the second flexible circuit board are respectively wound on different positions of the first bracket.

Optionally, both the first flexible circuit board and the second flexible circuit board are wound on the first support in a clockwise direction or in a counterclockwise direction.

Optionally, the electronic device further includes a drive mechanism, the drive mechanism includes a motor, a first transmission assembly and a second transmission assembly, the motor is connected to the first moving body through the first transmission assembly, so The motor is connected with the second moving body through the second transmission assembly.

Optionally, the flexible screen includes a stacked flexible support plate, a flexible display panel, and a glass cover. A first rack is provided on the surface of the flexible support plate away from the flexible display panel. The side of the moving body and the second moving body facing the flexible support plate is provided with a second rack, and the first transmission assembly and the second transmission assembly also include rotating gears, and the first transmission assembly The rotating gears of the second transmission assembly are respectively engaged with the first rack of the flexible supporting plate and the second rack of the first moving body, and the rotating gears of the second transmission assembly are respectively connected to the first rack of the flexible supporting plate. The rack and the second rack of the second moving body are engaged in transmission.

Optionally, the connection assembly further includes a transmission gear, the transmission gear is fixedly connected to the first bracket, the central axis of the transmission gear is coaxially arranged with the central axis of the first bracket, and the transmission gear It is in transmission connection with the first transmission assembly or the second transmission assembly.

Optionally, the flexible circuit board is connected to the first component and the second component using a board-to-board connector.

In the embodiment of the present application, the connection assembly is used to connect two devices that can move relatively in the electronic equipment, and the flexible circuit board in the connection assembly is released or wound according to the distance between the two devices, so that the expansion of the flexible circuit board The length matches the distance between two devices, so that the flexible circuit board is not easily damaged during stretching or folding following the device.

Description of drawings

FIG. 1 is a schematic diagram of a flexible screen of an electronic device provided in an embodiment of the present application in a folded state;

FIG. 2 is a schematic diagram of an unfolded state of the flexible screen of the electronic device provided by the embodiment of the present application;

FIG. 3 is an exploded view of the structure of the electronic device provided by the embodiment of the present application;

Fig. 4 is an exploded schematic diagram of the first connection assembly provided by the embodiment of the present application;

Fig. 5 is a schematic structural diagram of the first connection assembly provided by the embodiment of the present application;

Fig. 6 is a schematic side view of the first connection assembly provided by the embodiment of the present application;

Fig. 7 is a schematic laying diagram of the flexible circuit board in the first connection assembly provided by the embodiment of the present application;

Fig. 8 is a schematic view of the winding of the flexible circuit board in the first connection assembly provided by the embodiment of the present application;

Fig. 9 is an exploded schematic diagram of the second connection assembly provided by the embodiment of the present application;

FIG. 10 is a schematic structural diagram of a second connection assembly provided in an embodiment of the present application;

Fig. 11 is a schematic laying diagram of the flexible circuit board in the second connection assembly provided by the embodiment of the present application;

Fig. 12 is a schematic structural diagram of a flexible screen provided by an embodiment of the present application;

Fig. 13 is a schematic diagram of the flexible circuit board when the flexible screen is not unfolded according to the embodiment of the present application;

FIG. 14 is a schematic diagram of a flexible circuit board when the flexible screen is unfolded according to an embodiment of the present application.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein, and that references to "first," "second," etc. distinguish Objects are generally of one type, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the specification and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

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.

Please refer to Figures 1 to 3, Figure 1 is a schematic diagram of the flexible screen of the electronic device provided by the embodiment of the application in a folded state, Figure 2 is a schematic diagram of the flexible screen of the electronic device provided by the embodiment of the application in an unfolded state, Figure 3 An exploded view of the structure of the electronic device provided in the embodiment of the present application. An embodiment of the present application provides an electronic device, and the electronic device includes a flexible screen 15 , a support component and a connection component 13 . Wherein, the support assembly includes a fixed body 111, a first moving body 112 and a second moving body 113, the first moving body 112 and the second moving body 113 are respectively arranged on opposite sides of the fixed body 111, and the first moving body 112 and the second moving body 113 are both movably connected with the fixed body 111, so that when the fixed body 111 remains still, the first moving body 112 and the second moving body 113 can move relative to the fixed body 111, and then the first moving body 112 and The relative positions between the second moving bodies 113 can also change. Optionally, when the first moving body 112 moves relative to the fixed body 111, the second moving body 113 can be fixed. When the fixed main body 111 moves, the first mobile main body 112 can be fixed differently. Of course, the first mobile main body 112 and the second mobile main body 113 can also move relative to the fixed main body 111 at the same time; The supporting component provides supporting force, and when the first moving body 112 and/or the second moving body 113 moves relative to the fixed body 111 , it can drive the flexible screen 15 to unfold or collapse.

Optionally, both the first moving body 112 and the second moving body 113 are provided with accommodating spaces inside, the flexible screen 15 is arranged on the support assembly, the first part of the flexible screen 15 is fixedly connected to the fixed body 111, and the flexible screen 15 The second part of the flexible screen 15 is slidably fitted with the first mobile body 112, and the third part of the flexible screen 15 is slidably fitted with the second mobile body 113. In the accommodating space of the first mobile body 112 and the second mobile body 113, for example, the central region (first part) of the flexible screen 15 is directly opposite to the fixed body 111 and is supported by the fixed body 111, while the two sides of the flexible screen 15 ( The second part and the third part) are at least partially wound in the accommodating spaces of the first moving body 112 and the second moving body 113, where the winding can be from the first moving body 112/the second moving body 113 The first surface of the flexible screen is bent to the second surface opposite to the first surface. When the first moving body 112 and/or the second moving body 113 moves relative to the fixed body 111, the second part of the flexible screen 15 can be driven. and/or the third section expands or collapses.

In some optional embodiments, in order to realize the movement of the first moving body 112 and the second moving body 113, the electronic device may further include a driving mechanism 12, and the driving mechanism 12 is connected to the first moving body 112 and the second moving body 113 respectively. connected, the driving mechanism 12 can drive the first moving body 112 and the second moving body 113 to move linearly relative to the fixed body 111, so as to drive the flexible screen 15 to switch between the unfolded state and the folded state, that is to say, the driving mechanism 12 can Drive the first moving body 112, the second moving body 113 and the fixed body 111 to move away from each other or move towards each other, so that the first moving body 112 and the second moving body 113 can drive the part of the flexible screen 15 supported and wound on it The two sides of the fixed main body 111 are unfolded or folded; it can be known that the display area that the user can see in the unfolded state of the flexible screen 15 is larger than the display area that the user can see in the folded state, and the corresponding display area that can be seen in the folded state The part of the flexible screen 15 is usually fixed; optionally, the driving mechanism 12 can only drive either the first moving body 112 or the second moving body 113 to move, or drive the first moving body 112 and the second moving body 113 at the same time Movement, that is to say, the electronic device can unfold the flexible screen 15 only to one side, or unfold the flexible screen 15 to both sides at the same time.

The connection assembly 13 includes a first bracket 132 and a flexible circuit board 131, the first bracket 132 is rotatably connected to the fixed body 111, the flexible circuit board 131 is partially wound on the first bracket 132, and the two ends of the flexible circuit board 131 are arranged There are a first interface 1311 and a second interface 1312 connected to each other, wherein the first interface 1311 is connected with the first device 141 located on the first mobile body 112, and the second interface 1312 is connected with the second device 141 located on the second mobile body 113. Two devices 142 are connected.

When the first moving body 112 and the second moving body 113 move relative to the fixed body, the first support 132 can rotate relative to the fixed body 111 to wind up or release the flexible circuit board 131, and then make the first device 141 and The distance between the second devices 142 matches the length of the unrolled portion of the flexible circuit board 131 , thereby ensuring a stable connection between the first device 141 and the second device 142 .

Since the first device 141 is connected with the first moving body 112 and can move with the movement of the first moving body 112, and the second device 142 is connected with the second moving body 113 and can move with the movement of the second moving body 113, then During the movement of the first moving body 112 and the second moving body 113 relative to the fixed body 111, the distance between the first device 141 and the second device 142 will also change, in order to ensure that the first device 141 and the second device 142 , the length of the flexible circuit board 131 needs to be at least equal to the maximum distance between the first device 141 and the second device 142 .

If the solution in the related art is adopted, that is, the length of the flexible circuit board 131 connecting the first device 141 and the second device 142 is fixed, then when the distance between the first device 141 and the second device 142 is less than the maximum distance, The flexible circuit board 131 will be redundant, causing the overly long parts of the flexible circuit board 131 to be stacked inside the electronic device, causing the internal structural space to be disordered, and the flexible circuit board 131 may also be excessively bent, damaged, and miscontacted.

In the embodiment of the present application, when the first moving body 112 and the second moving body 113 move relative to the fixed body 111, the first bracket 132 rotates relative to the fixed body 111, for example, the first bracket 132 can rotate around its own The central axis rotates to match the size of the flexible screen 15 unfolded synchronously, so as to wind or release the corresponding length of the flexible circuit board 131, so that the length of the unwound part of the flexible circuit board 131 can always keep the same length as the first device 141 The distance between the flexible circuit board and the second device 142 is basically the same or even the same, thus, by matching the developed length of the flexible circuit board with the distance between the two devices, the flexible circuit board will not be redundant or insufficient in length, so that the flexible circuit board The circuit is not easily damaged when stretched or folded following the device.

Optionally, the driving mechanism 12 is also connected to the first bracket 132 . The first support 132 can be driven by the driving mechanism 12, so that the first support 132 can rotate around its own central axis; Rotate around its own central axis; Optionally, when the winding force required by the flexible circuit board 131 is small, a mechanism such as a shrapnel can be arranged on the first bracket 132, and the elastic restoring force of the shrapnel can be used to realize the flexible circuit board. 131 , and when the flexible circuit board 131 needs to be unfolded, it is pulled by the first device on the first moving body 112 , and/or pulled by the second device on the second moving body 113 .

In the embodiment of the present application, the connection assembly is used to connect two devices that can move relatively in the electronic device. By releasing or winding the flexible circuit board in the connection assembly, the unfolded length of the flexible circuit board and the distance between the two devices Matching, so that the flexible circuit board is not easy to be damaged in the process of stretching or folding following the device, and can reduce the setting restrictions of the device in the electronic device, facilitate the layout of the device, and improve the layout efficiency of the internal space of the electronic device.

In some embodiments of the present application, the connection assembly 13 further includes a coil spring 133 and a second bracket 134, the first bracket 132 and the second bracket 134 are flexibly connected, and the second bracket 134 is fixedly connected with the fixed main body 111, and the coil spring 133 Wrapped on the first bracket 132 and connected to the second bracket 134 .

Optionally, the second bracket 134 can be fixed on the fixed main body 111 by means of screws, positioning columns, etc., the second bracket 134 is used to support the first bracket 132, and the flexible connection between the first bracket 132 and the second bracket 134 can be the first One end of the bracket 132 is movably connected to the second bracket 134, for example, by means of a bearing connection, etc., so that the first bracket 132 can rotate around its own central axis, and the second bracket 134 can keep the first bracket 132 from rotating. Therefore, the first support 132 can rotate around its own central axis driven by the driving mechanism 12 to wind or release the flexible circuit board 131 . The coil spring 133 is wound on the first bracket 132 and connected with the second bracket 134 to provide a binding force, that is, the active force of the coil spring 133 acts on the flexible circuit board 131, so that the flexible circuit board 131 is wound or It is always in a compact state during the release process, so as to ensure the stability of the internal structure of the flexible screen 15 of the electronic device during the unfolding or collapsing process.

In some embodiments of the present application, optionally, the flexible circuit board 131 includes a first flexible circuit board and a second flexible circuit board, wherein the first end of the first flexible circuit board and the first end of the second flexible circuit board For electrical connection, the first interface 1311 is disposed on the second end of the first flexible circuit board, and the second interface 1312 is disposed on the second end of the second flexible circuit board. In this way, the first interface 1311 and the second interface 1312 are electrically connected, and the connecting portion of the first flexible circuit board and the second flexible circuit board can be fixed on the first bracket 132, and the first flexible circuit board is partially wound on the On the first bracket 132, then protrude toward the direction of the first device 141 and connect with the first device 141 through the first interface, while the second flexible circuit board is partially wound on the first bracket 132, and then toward the direction of the second device 142 Extend out and connect with the second device 142 through the second interface 1312 .

Please refer to Figures 4 to 8, Figure 4 is an exploded schematic diagram of the first connection assembly provided by the embodiment of the application, Figure 5 is a schematic structural diagram of the first connection assembly provided by the embodiment of the application, and Figure 6 is the implementation of the application Figure 7 is a schematic diagram of the laying of the flexible circuit board in the first connection assembly provided by the embodiment of the present application, and Figure 8 is a schematic diagram of the first connection assembly provided by the embodiment of the present application Schematic of the winding of the flexible circuit board in . In some embodiments of the present application, the flexible circuit board 131 includes a first flexible circuit board 131A and a second flexible circuit board 131B, and the first end of the first flexible circuit board 131A and the first end of the second flexible circuit board 131B are electrically connected to each other. Sexual connection, the first interface 1311 is arranged on the second end of the first flexible circuit board 131A, the second interface 1312 is arranged on the second end of the second flexible circuit board 131B, the first flexible circuit board 131A and the second flexible circuit board 131A The plates 131B are respectively wound on different positions of the first bracket 132 .

Exemplarily, the flexible circuit board 131 may be in the shape of a door, that is to say, when the flexible circuit board 131 is fully unfolded, the first flexible circuit board 131A and the second flexible circuit board 131B together form a door shape, or in other words, the first flexible circuit board 131A A flexible circuit board 131A and a second flexible circuit board 131B are arranged in parallel, and the first flexible circuit board 131A and the second flexible circuit board 131B can be integrally formed, that is, the first end of the first flexible circuit board 131A and the second flexible circuit board 131B The first end of the first flexible circuit board 131A and the second flexible circuit board 131B are connected as a whole to realize the electrical connection of the two. The winding positions of the flexible circuit board 131B on the first bracket 132 are different, and then the first flexible circuit board 131A and the second flexible circuit board 131B protrude in two opposite directions respectively. When the flexible screen 15 is unfolded or folded , the first flexible circuit board 131A and the second flexible circuit board 131B are simultaneously released or wound up on the first bracket 132 .

Please refer to Figures 9 to 11, Figure 9 is an exploded schematic diagram of the second connection assembly provided by the embodiment of the application, Figure 10 is a schematic structural diagram of the second connection assembly provided by the embodiment of the application, and Figure 11 is an implementation The layout diagram of the flexible circuit board in the second connection assembly provided in the example. In other embodiments of the present application, the flexible circuit board 131 includes a first flexible circuit board 131A and a second flexible circuit board 131B, the first end of the first flexible circuit board 131A and the first end of the second flexible circuit board 131B Electrically connected, the first interface 1311 is arranged on the second end of the first flexible circuit board 131A, the second interface 1312 is arranged on the second end of the second flexible circuit board 131B, the first flexible circuit board 131A and the second flexible circuit board 131A The circuit boards 131B are stacked and wound on the same position of the first frame 132 . That is to say, unlike the flexible circuit board 131 in the above-mentioned embodiments, the flexible circuit board 131 in the embodiment of the present application is in a straight line, that is, the first flexible circuit board 131A and the second flexible circuit board 131B are on the same straight line The first flexible circuit board 131A and the second flexible circuit board 131B can be integrally formed, that is, arranged in a line, that is, the first end of the first flexible circuit board 131A and the first end of the second flexible circuit board 131B are connected as a Integrate to realize the electrical connection between the two. Of course, at this time, the first end of the first flexible circuit board 131A and the first end of the second flexible circuit board 131B can also be electrically connected through a bendable connector. After the connecting part of the first flexible circuit board 131A and the second flexible circuit board 131B is wound on the same position on the first support 132, the first flexible circuit board 131A and the second flexible circuit board 131B extend in two opposite directions respectively. It can be seen that, during the unfolding or folding process of the flexible screen 15 , the first flexible circuit board 131A and the second flexible circuit board 131B are simultaneously released or wound up on the first bracket 132 . Compared with the above-mentioned embodiments, the flexible circuit board 131 in the embodiment of the present application adopts a double-layer stacked structure, and is wound at the same position of the first support 132, thereby shortening the required length of the first support 132 (for the above-mentioned In the embodiment, about half of the length of the first bracket 132 ), thereby saving the layout space of the connection assembly 13 in the electronic device.

In the embodiment of the present application, optionally, the first end of the first flexible circuit board 131A and the first end of the second flexible circuit board 131B are provided with positioning holes 1313, that is, the first flexible circuit board 131A and the second flexible circuit board 131A The position where the circuit board 131B is connected is provided with a positioning hole 1313, and the first bracket 132 is correspondingly provided with a positioning column of a corresponding diameter, the first end of the first flexible circuit board 131A and the first end of the second flexible circuit board 131B That is, they are fixed on the positioning posts through the positioning holes 1313 , so as to ensure that the first flexible circuit board 131A and the second flexible circuit board 131B can always be wound on the first bracket 132 . Optionally, the first end of the first flexible circuit board 131A and the first end of the second flexible circuit board 131B can also be further fixed on the first support 132 by double-sided adhesive tape, that is, the first flexible circuit board 131A and the first end of the second flexible circuit board 131B. The connection part of the second flexible circuit board 131B can be further fixed on the first bracket 132 by double-sided tape or the like, so as to improve the stability of the connection.

In the embodiment of the present application, both the first flexible circuit board 131A and the second flexible circuit board 131B are wound on the first support 132 in a clockwise direction or both in a counterclockwise direction, so that the first support 132 is wound in a clockwise direction Or when they both rotate counterclockwise, the first flexible circuit board 131A and the second flexible circuit board 131B can be rolled up or unrolled synchronously.

In some embodiments of the present application, the flexible circuit board 131 is connected to the first device 141 and the second device 142 using a board-to-board connector. Exemplarily, the first interface 1311 and the second interface 1312 can be set as board-to-board connector male headers, while the first device 141 and the second device 142 are provided with board-to-board connector female headers. The fastening of the female head achieves a firm connection; that is to say, the connection between the first interface 1311 and the first device 141 and between the second interface 1312 and the second device 142 can be facilitated through the board-to-board connector. The connection improves firmness and facilitates subsequent disassembly and separation.

In the embodiment of the present application, the drive mechanism 12 includes a motor 121, a first transmission assembly and a second transmission assembly, the motor 121 is connected to the first moving body 112 through the first transmission assembly, and the motor 121 is connected to the first moving body 112 through the second transmission assembly. The second moving body 113 is connected, so that the motor 121 outputs the driving force, drives the first moving body 112 to make a linear motion through the first transmission component, drives the second moving body 113 to make a linear motion through the second transmission component, and finally realizes the flexible screen 15 The unfolding and collapsing.

In some embodiments of the present application, since the first moving body 112 and the second moving body 113 are arranged symmetrically on both sides of the fixed body 111, the structure of the first transmission assembly and the second transmission assembly may be the same, That is to say, the first transmission assembly and the second transmission assembly may both include a driving gear 123 , a transmission belt 124 and a driven gear 125 . Wherein, taking any one of the first transmission assembly and the second transmission assembly as an example, the motor 121 is connected with the driving gear 123, and the output power is transmitted to the driving gear 123; while the driving gear 123 and the driven gear 125 support and drive the transmission belt 124 rotates, thereby transmitting power to drive belt 124. The transmission belt 124 of the first transmission assembly is connected with the first mobile body 112, and the transmission belt 124 of the second transmission assembly is connected with the second mobile body 113, thus, the transmission belt 124 of the first transmission assembly can drive the first mobile body 112 To perform linear motion, the transmission belt 124 of the second transmission assembly can drive the second moving body 113 to perform linear motion. Optionally, the motor 121 may have two power output ends, and the two power output ends are respectively connected to the first transmission assembly and the second transmission assembly. Of course, two electric motors 121 may also be used to provide power.

Please refer to FIG. 12 , which is a schematic structural diagram of a flexible screen provided by an embodiment of the present application. In some embodiments of the present application, the flexible screen 15 includes a stacked flexible support plate 151, a flexible display panel 152, and a glass cover 153; wherein, the surface of the flexible support plate 151 facing away from the flexible display panel 152 is provided with first teeth The first moving body 112 and the second moving body 113 are provided with a second rack on the side facing the flexible support plate 151, and the first transmission assembly and the second transmission assembly also include rotating gears. The rotation gears of the first transmission assembly are engaged with the first rack of the flexible support plate 151 and the second rack of the first moving body 112 respectively, and the rotation gears of the second transmission assembly are respectively connected with the first rack of the flexible support plate 151. The gear rack and the second gear rack of the second moving body 113 are engaged in transmission. The first gear rack engaged with the rotation gear of the first transmission component is located at one end of the flexible support plate 151, and the first gear gear engaged with the rotation gear of the second transmission component is located at one end of the flexible support plate 151. A rack is located at the other end of the flexible support plate 151 . Thus, when the first moving body 112 and the second moving body 113 move away from the fixed body 111, the first rack, the rotating gear, and the second rack can be engaged in transmission to make the flexible Screen 15 unfolds to both sides.

In some embodiments of the present application, both the first transmission assembly and the second transmission assembly further include a speed reducer 122, and the motor 121 is connected to the drive of the first transmission assembly through the speed reducer 122 of the first transmission assembly. The gear 123 is connected, and the motor 121 is connected with the driving gear 123 of the second transmission assembly through the reducer 122 of the second transmission assembly. The speed reducer 122 can convert the rotational speed output by the motor 121 to reduce the rotational speed and increase the torque. Optionally, the direction of the torque output by the speed reducer 122 of the first transmission assembly is opposite to the direction of the torque output by the speed reducer 122 of the second transmission assembly.

In the embodiment of the present application, the motor 121 is also in transmission connection with the first bracket 132 through the first transmission assembly or the second transmission assembly. Therefore, the motor 121 outputs power to drive the first support 132 to rotate around its own central axis, so that the first support 132 winds or releases the flexible circuit board 131, and then makes the length of the released part of the flexible circuit board 131 synchronously match the flexible screen 15 to unfold the size of.

In some embodiments of the present application, the connection assembly 13 further includes a transmission gear, which is fixedly connected to the first bracket 132, the central axis of the transmission gear is coaxially arranged with the central axis of the first bracket 132, and the transmission gear is connected to the first bracket 132. The first transmission assembly or the second transmission assembly is transmission connected, for example, the transmission gear is meshed with the transmission belt 124 of the first transmission assembly or the transmission belt 124 of the second transmission assembly, so that power can be transmitted to the transmission gear through the transmission belt 124, and then Drive the first bracket 132 to rotate around its central axis.

Please refer to Figure 13 and Figure 14, Figure 13 is a schematic diagram of the flexible circuit board 131 when the flexible screen provided by the embodiment of the present application is not unfolded, and Figure 14 is a schematic diagram of the flexible circuit board 131 when the flexible screen is unfolded according to the embodiment of the present application . In the embodiment of the present application, when the flexible screen 15 is not unfolded, that is, at the initial position, the transmission gear and the transmission belt 124 are in the meshing state, and the coil spring 133 is in the contracted state. Under the action of the coil spring 133 and the transmission belt 124, the flexible circuit board 131 is in In the winding and tightening state, the first component 141 and the second component 142 are normally connected through the flexible circuit board 131 to transmit signals. When the flexible screen 15 is unfolded, the distance between the first moving body 112 and the second moving body 113 becomes larger, and the transmission belt 124 drives the transmission gear to drive the first bracket 132 to rotate to release the flexible circuit board 131, so that the flexible circuit board 131 is released The length of the part always matches the distance between the first component 141 and the second component 142 , and under the action of the coil spring 133 , the flexible circuit board 131 remains relatively compact. When the flexible screen 15 is closed, the distance between the first moving body 112 and the second moving body 113 becomes smaller, and the transmission belt 124 drives the transmission gear to drive the first bracket 132 to rotate to wind the flexible circuit board 131, so that the flexible circuit board 131 The length of the released part always matches the distance between the first component 141 and the second component 142, and, under the action of the coil spring 133, the flexible circuit board 131 remains in a relatively compact state, thereby preventing the flexible circuit board 131 from The occurrence of redundant mess that may occur during winding, and the occurrence of winding and tightening that does not follow the track.

In this embodiment of the present application, optionally, the electronic device further includes a battery 144 and a speaker 145, the battery 144 provides power for the entire electronic device, and the speaker 145 is used to provide a sound output function. Optionally, the electronic device further includes a first housing 161, a second housing 162 and a third housing 163, the first housing 161 cooperates with the fixing body to fix the whole machine components and the flexible screen, the second housing The body 162 and the third housing 163 are respectively located on two sides of the electronic device to house the first moving body and the second moving body, and together with the first housing 161 fix the whole machine components and the flexible screen 15 .

In some embodiments of the present application, the first device 141 and the second device 142 may be elements and devices such as a printed circuit board, a camera, a charging interface, a camera motor, and a chip.

The electronic device in the embodiment of the present application may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle electronic device, a wearable device, an ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), a netbook or a personal digital assistant (Personal Digital Assistant, PDA) etc., non-mobile electronic equipment can be personal computer (Personal Computer, PC), television (TeleVision, TV) etc., the embodiment of the present application does not specifically limit.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

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 implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of this application, without departing from the purpose of this application and the scope of protection of the claims, many forms can also be made, all of which belong to the protection of this application.

Claims

An electronic device comprising:

Flexible screens, support components and connection components;

The support assembly includes a fixed body and a first moving body and a second moving body arranged on opposite sides of the fixed body, the first moving body and the second moving body are both movably connected to the fixed body, The flexible screen is arranged on the support assembly, and the first moving body and/or the second moving body can move relative to the fixed body to drive the flexible screen to unfold or collapse;

The connection assembly includes a first bracket and a flexible circuit board, the first bracket is rotatably connected to the fixed body, part of the flexible circuit board is wound on the first bracket, and the flexible circuit board Both ends are provided with a first interface and a second interface connected to each other, the first interface is connected with the first device located on the first mobile body, and the second interface is connected with the device located on the second mobile body. Second device connection;

Wherein, when the first moving body and/or the second moving body moves relative to the fixed body, the first bracket rotates relative to the fixed body to wind up or release the flexible circuit board.
The electronic device according to claim 1, wherein the connecting assembly further comprises a coil spring and a second bracket, the first bracket is movably connected to the second bracket, and the second bracket is fixed to the fixed body connected, the coil spring is wound on the first bracket and connected with the second bracket.
The electronic device according to claim 1, wherein the flexible circuit board comprises a first flexible circuit board and a second flexible circuit board, the first end of the first flexible circuit board and the first end of the second flexible circuit board The first end is electrically connected, the first interface is disposed on the second end of the first flexible circuit board, and the second interface is disposed on the second end of the second flexible circuit board.
The electronic device according to claim 3, wherein the first end of the first flexible circuit board and the first end of the second flexible circuit board are provided with positioning holes, and the first bracket is provided with positioning holes. A post, the first end of the first flexible circuit board and the first end of the second flexible circuit board are fixed on the positioning post through the positioning hole.
The electronic device according to claim 3, wherein the first flexible circuit board and the second flexible circuit board are integrally formed, and the first end of the first flexible circuit board and the second flexible circuit board The first end of the flexible circuit board is connected as a whole; wherein, the first flexible circuit board and the second flexible circuit board are arranged in a line, and the first flexible circuit board and the second flexible circuit board are stacked and wound on The same position of the first bracket, or, the first flexible circuit board and the second flexible circuit board are arranged in parallel, and the first flexible circuit board and the second flexible circuit board are respectively wound on the Describe the different positions of the first bracket.
The electronic device according to claim 3, wherein the first flexible circuit board and the second flexible circuit board are both wound on the first support in a clockwise direction or in a counterclockwise direction.
The electronic device according to claim 1, further comprising a driving mechanism, the driving mechanism comprising a motor, a first transmission assembly and a second transmission assembly, the motor communicates with the first moving body through the first transmission assembly connected, the motor is connected to the second moving body through the second transmission assembly.
The electronic device according to claim 7, wherein the flexible screen comprises a stacked flexible support plate, a flexible display panel and a glass cover, and the surface of the flexible support plate facing away from the flexible display panel is provided with a first A rack, the first moving body and the second moving body are provided with a second rack on the side facing the flexible support plate, and the first transmission assembly and the second transmission assembly also include a rotating Gears, the rotating gears of the first transmission assembly are respectively engaged with the first rack of the flexible support plate and the second rack of the first moving body, and the rotating gears of the second transmission assembly are respectively connected to the The first rack of the flexible support plate and the second rack of the second moving body are engaged in transmission.
The electronic device according to claim 7, wherein the connection assembly further comprises a transmission gear, the transmission gear is fixedly connected to the first bracket, and the central axis of the transmission gear is connected to the central axis of the first bracket Coaxially arranged, the transmission gear is in transmission connection with the first transmission assembly or the second transmission assembly.
The electronic device according to claim 1, wherein the flexible circuit board is connected to the first component and the second component by using a board-to-board connector.