CN211018883U - Folding electronic device - Google Patents

Abstract

An embodiment of the present application provides a foldable electronic device, which includes a first cover body, a second cover body, a rotating shaft, a first magnetic member, a second magnetic member, and a drive assembly. The rotating shaft is rotatably connected between the first cover body and the second cover body. The first magnetic piece and the second magnetic piece are respectively arranged in the first cover body and the second cover body. The driving component is arranged in the first cover and connected with the first magnetic member. When the foldable electronic device is in a closed state, the first magnetic member and the second magnetic member are in a first relative position and attract each other; the driving component is used to drive the first magnetic member to move relative to the second magnetic member, so that the first magnetic member and the second magnetic member are in the second relative position and repel each other, and the first cover body and the second cover body are driven to separate to the open state by the repulsive force of the first magnetic member and the second magnetic member. In this way, manual opening is avoided, which is convenient for users to operate.

Description

foldable electronic device

technical field

The present application relates to the technical field of electronic devices, and in particular, to a foldable electronic device.

Background technique

Flexible folding is one of the development trends of future terminal products. Folding devices can meet the needs of large screens while providing portability. That is, when the user does not use the folding device, it can be folded to a closed state for easy portability; and when the user needs to use the folding device, it can be unfolded to an open state to increase the usable area of the display screen. In order to maintain a sufficient closing force when the folding device is in a closed state, a locking device is usually required to lock the two relatively closed lids. When the folding device needs to be opened for use, the locking device needs to be unlocked manually, and then the folding device can be opened by overcoming the aforementioned closing force, which is inconvenient to operate.

Utility model content

The purpose of the present application is to provide a foldable electronic device, which can make the first cover and the second cover automatically automatically without manual operation to overcome the closing force between the first cover and the second cover in the closed state. separation.

The above-mentioned objects and other objects are achieved by the features of the independent claims. Further implementations are embodied in the dependent claims, the description and the drawings.

The embodiment of the present application discloses a foldable electronic device, which includes a first cover body, a second cover body, a rotating shaft, a first magnetic member, a second magnetic member and a drive assembly. The rotating shaft is rotatably connected between the first cover body and the second cover body. The first magnetic member and the second magnetic member are respectively disposed in the first cover body and the second cover body. The driving assembly is arranged in the first cover and connected with the first magnetic member. When the foldable electronic device is in a closed state, the first magnetic member and the second magnetic member are in a first relative position and attract each other; the driving assembly is used to drive the first magnetic member to be opposite to the The second magnetic member moves so that the first magnetic member and the second magnetic member are in a second relative position to repel each other, and the repulsive force of the first magnetic member and the second magnetic member drives the first magnetic member and the second magnetic member The first cover body and the second cover body are separated.

Since the foldable electronic device in the embodiment of the present application is provided with the first magnetic member and the driving component in the first cover body, and the second magnetic member is provided in the second cover body, when receiving a trigger command from the user, it can By changing the relative positions of the first magnetic member and the second magnetic member, the first magnetic member and the second magnetic member are changed from an attractive state to a mutually repulsive state, so as to achieve the purpose of automatic opening, avoid manual opening, and facilitate user operation .

In one embodiment, the drive assembly includes a drive shaft, a shaft seat and a drive spring; the drive shaft is mounted on the shaft seat and can move relative to the shaft seat; one end of the drive shaft protrudes out of the The shaft seat is fixedly connected with the first magnetic member; the driving spring is sleeved on the driving shaft to drive the driving shaft to move relative to the shaft seat, so as to drive the first magnetic member to move relative to the shaft seat. The movement of the second magnetic member is switched from the first relative position to the second relative position.

Specifically, the shaft seat includes a first fixed end and a second fixed end arranged at intervals; the drive shaft passes through the first fixed end and the second fixed end in sequence and can be opposite to the first fixed end and the second fixed end. The two fixed ends move; the first magnetic member is installed on one end of the drive shaft, and is located on the side of the second fixed end away from the first fixed end; the drive spring is sleeved on the drive shaft , and is located between the first fixed end and the second fixed end. The structure of the drive assembly in the embodiment of the present application is simple, and the assembly operation is convenient.

In an embodiment, in order to achieve better driving of the first magnetic member, the drive shaft is protrudingly provided with a resisting portion, and the resisting portion is located between the first fixed end and the second fixed end. the driving spring is located between the first fixing part and the abutting part; when the driving spring is deformed, a driving force is generated to push the abutting part to the direction close to the second fixing end move, and then drive the drive shaft to move relative to the shaft seat.

In one embodiment, in order to adjust the driving force provided by the driving spring, thereby ensuring the moving speed of the first magnetic member, the driving assembly further includes a balance spring; the balance spring is sleeved on the drive shaft, and is located between the resisting portion and the second fixing portion. In this way, when the drive spring drives the drive shaft to move, the abutting portion will squeeze the balance spring, so that the balance spring generates a resisting force opposite to the driving force, which can make the drive shaft move smoothly and improve the performance of the product.

In one embodiment, in order to more accurately drive the first magnetic member, the driving spring is a shape memory alloy spring; the shape memory alloy spring is deformed when receiving an electrical signal.

In one embodiment, in order to detect and judge the trigger instruction of the user, the foldable electronic device further includes a detection module and a processor; the processor is electrically connected to the detection module and the driving spring, respectively; The detection module is used for detecting a user's triggering instruction; the processor is used for sending the electrical signal to the driving spring when it is determined that the user's triggering instruction is received.

In one embodiment, when the electrical signal disappears, the driving spring will restore its deformation, thereby driving the first magnetic member to move relative to the second magnetic member, so that the first magnetic member and the The second magnetic member is switched from the second relative position to the first relative position. In this way, the next driving operation can be facilitated.

In one embodiment, in order to better provide a closing force so that the folding electronic device is not easy to open when it is in a closed state, the first magnetic member is disposed on the side of the first cover away from the rotating shaft, and The second magnetic member is disposed on a side of the second cover away from the rotating shaft.

In one embodiment, the first magnetic member is relatively slidably connected to the first cover body; the second magnetic member is relatively fixedly connected to the second cover body. In this way, under the action of the driving spring, the first magnetic member can move relative to the second magnetic member.

In one embodiment, in order to provide stronger attractive and repulsive forces, the number of the first magnetic elements is two or more, and the number of the second magnetic elements is also two or more.

In one embodiment, the foldable electronic device further includes a flexible display screen; the flexible display screen is disposed on the first cover and the second cover; when the foldable electronic device is in a closed state , the display surfaces of the flexible display screen are in contact with each other.

Description of drawings

In order to describe the technical solutions in the embodiments of the present application or the background technology, the accompanying drawings required in the embodiments or the background technology of the present application will be described below.

FIG. 1 is a schematic cross-sectional view of a foldable electronic device in a half-open state according to an embodiment of the present application.

FIG. 2 is a schematic cross-sectional view of the foldable electronic device in FIG. 1 when it is in a closed state.

FIG. 3 is a schematic cross-sectional view of the foldable electronic device in FIG. 1 in an open state.

FIG. 4 is a schematic structural diagram of the driving assembly, the first magnetic member and the second magnetic member in a first state.

FIG. 5 is a schematic structural diagram of the driving assembly, the first magnetic member and the second magnetic member in a second state.

FIG. 6 is a schematic diagram of magnetic pole distribution when the first magnetic member and the second magnetic member are in a first relative position.

FIG. 7 is a schematic diagram of the magnetic pole distribution when the first magnetic member and the second magnetic member are in a second relative position.

FIG. 8 is a schematic block diagram of a foldable electronic device according to an embodiment of the present application.

FIG. 9 is a schematic diagram of the arrangement of the detection module of the foldable electronic device in the first embodiment of the application.

FIG. 10 is a schematic diagram of the arrangement of the detection module of the foldable electronic device in the second embodiment of the application.

FIG. 11 is a schematic diagram of the arrangement of the detection module of the foldable electronic device in the third embodiment of the application.

FIG. 12 is a schematic diagram of the arrangement of the detection module of the foldable electronic device according to the fourth embodiment of the application.

Detailed ways

The present application provides a foldable electronic device, which can automatically separate the first cover and the second cover without manual manipulation to overcome the closing force between the first cover and the second cover in the closed state. The embodiments of the present application will be described below with reference to the accompanying drawings.

Please refer to FIG. 1 , which is a schematic cross-sectional view of the foldable electronic device provided in an embodiment of the present application in a half-open state. Wherein, the foldable electronic device 100 may be any foldable electronic device such as a smart phone, a tablet computer, a personal digital assistant (PDA), a point of sales (POS), a notebook computer, and the like. Not limited.

As shown in FIG. 1 , in the embodiment of the present application, the foldable electronic device 100 is described by taking a foldable mobile phone as an example. The foldable electronic device 100 includes a first cover 10 , a second cover 20 and a rotating shaft 30 . The rotating shaft 30 is rotatably connected between the first cover body 10 and the second cover body 20 . In this embodiment, the first cover body 10 is an upper cover component of the foldable electronic device 100 , and the second cover body 20 is a lower cover component of the foldable electronic device 100 , but not limited thereto, in other embodiments , the first cover 10 can be used as a lower cover component of the foldable electronic device 100 , and the second cover 20 can be used as an upper cover component of the foldable electronic device 100 .

Under the action of the rotating shaft 30 , the first cover body 10 and the second cover body 20 can be folded to a closed state relative to each other, and can also be relatively unfolded to an open state. When the first cover 10 and the second cover 20 are in the closed state, the frame of the first cover 10 and the frame of the second cover 20 partially or completely overlap.

Please refer to FIGS. 2 and 3 , wherein FIG. 2 is a schematic cross-sectional view of the folding electronic device 100 in FIG. 1 in a closed state; FIG. 3 is a cross-sectional schematic view of the folding electronic device 100 in FIG. 1 in an open state. When the foldable electronic device 100 is in the closed state, the first cover body 10 and the second cover body 20 are attached to each other, that is, the angle between the first cover body 10 and the second cover body 20 is 0 degrees; When the electronic device 100 is in the open state, the first cover 10, the second cover 20 and the rotating shaft 30 are on the same plane, that is, the angle between the first cover 10 and the second cover 20 is 180 degrees; When the included angle between the first cover body 10 and the second cover body 20 is greater than 0 degrees and less than 180 degrees, the foldable electronic device 100 is in a half-open state.

Referring to FIGS. 1-3 , in this embodiment of the present application, the foldable electronic device 100 further includes a flexible display screen 40 . The first cover body 10 is used to carry a part of the flexible display screen 40 , and the second cover body 20 is used to carry another part of the flexible display screen 40 . Wherein, the flexible display screen includes a display surface and a non-display surface arranged oppositely. The non-display surface is attached to the first cover body 10 and the second cover body 20 . When the foldable electronic device 100 is in a closed state, the display surfaces of the flexible display screens 40 are close to each other and fit each other; when the foldable electronic device 100 is in an open state, the display surfaces of the flexible display screen 40 are horizontal for the user to use.

In the embodiment of the present application, the flexible display screen 40 may be an organic light-emitting diode (Organic Light-Emitting Diode, OLED) display screen, which has the characteristics of being bendable, twistable, and foldable, and has better color and contrast, as well as super thin and other characteristics. In other embodiments, the flexible display screen 40 may also be other types of flexible screens, for example, a quantum dot display screen.

In the embodiment of the present application, the foldable electronic device 100 further includes a first magnetic member 50 , a second magnetic member 60 and a driving component 70 . The first magnetic member 50 and the driving component 70 are both disposed in the first cover 10 , and the driving component 70 is connected to the first magnetic component 50 . The second magnetic member 60 is disposed on the second cover body 20 . When the foldable electronic device 100 is in the closed state, the first magnetic member 50 and the second magnetic member 60 are in the first relative position and attract each other. When the electronic device 100 receives the user's trigger instruction during folding, the driving assembly 70 drives the first magnetic member 50 to move relative to the second magnetic member 60 to a second relative position, so that the first magnetic member 50 and the second magnetic member 60 are mutually repulsion, so that the first cover body 10 and the second cover body 20 are separated under the action of the repulsive force. In this way, the folding electronic device 100 can be automatically opened.

In the foldable electronic device 100 in the embodiment of the present application, since the first magnetic member 50 and the driving component 70 are arranged in the first cover 10 and the second magnetic member 60 is arranged in the second cover 20 , the foldable electronic device 100 can pass the Change the relative positions of the first magnetic member 50 and the second magnetic member 60 to make the first magnetic member 50 and the second magnetic member 60 change from an attractive state to a mutually repulsive state, so as to achieve the purpose of automatic opening and avoid manual opening, User-friendly operation.

Please refer to FIG. 4 and FIG. 5 , FIG. 4 is a schematic structural diagram of the driving assembly, the first magnetic member and the second magnetic member in the first state; FIG. 5 is the driving assembly, the first magnetic member and the second magnetic member in the second state Schematic diagram of the structure. The drive assembly 70 includes a drive shaft 71 , a shaft seat 72 and a drive spring 73 . The drive shaft 71 is mounted on the shaft seat 72 and can move relative to the shaft seat 72 . One end of the drive shaft 71 extends out of the shaft seat 72 and is fixedly connected with the first magnetic member 50 . The driving spring 73 is sleeved on the driving shaft 71 for driving the driving shaft 71 to move relative to the shaft seat 72 , thereby driving the first magnetic member 50 to move relative to the second magnetic member 60 , so that the first magnetic member 50 and the second magnetic member 60 are moved. Switch from the first relative position (see FIG. 4 ) to the second relative position (see FIG. 5 ). The directions of the arrows in FIGS. 4 and 5 respectively represent the directions of the forces generated by the first magnetic member 50 and the second magnetic member 60 .

In one embodiment, the first magnetic member 50 is relatively slidably connected to the first cover 10 . For example, the first magnetic member 50 and the first cover body 10 may be slidably connected through a sliding rail or a sliding groove. The second magnetic member 60 is relatively fixedly connected to the second cover 20 . In this way, under the action of the driving spring 73 , the first magnetic member 50 can move relative to the second magnetic member 60 .

Specifically, the shaft seat 72 includes a first fixed end 721 and a second fixed end 722 that are spaced apart. The drive shaft 71 passes through the first fixed end 721 and the second fixed end 722 in sequence and can move relative to the first fixed end 721 and the second fixed end 722 . The first magnetic member 50 is mounted on one end of the drive shaft 71 and is located on the side of the second fixed end 722 away from the first fixed end 721 . The driving spring 73 is sleeved on the driving shaft 71 and is located between the first fixed end 721 and the second fixed end 722 .

In one embodiment, in order to better drive the first magnetic member 50 , the driving shaft 71 is protruded with a resisting portion 711 , and the resisting portion 711 is located between the first fixed end 721 and the second fixed end 722 . The driving spring 73 is located between the first fixing portion 721 and the abutting portion 711 . When the driving spring 73 is deformed, a driving force is generated to push the abutting portion 711 to move in a direction close to the second fixed end 722 , thereby driving the driving shaft 71 to move relative to the shaft seat 72 .

In one embodiment, in order to adjust the driving force provided by the driving spring 73 and thereby ensure the moving speed of the first magnetic member 50 , the driving assembly 70 further includes a balance spring 74 . The balance spring 74 is sleeved on the driving shaft 71 and is located between the abutting portion 711 and the second fixing portion 722 . In this way, when the driving spring 73 drives the driving shaft 71 to move, the abutting portion 711 will squeeze the balance spring 74, so that the balance spring 74 generates a resisting force opposite to the driving force, so that the driving shaft 71 can move smoothly, Improve product performance.

In one embodiment, in order to drive the first magnetic member 50 more accurately, the driving spring is a shape memory alloy (Shape Memory Alloys, SMA) spring. The SMA spring deforms when it receives an electrical signal, which in turn generates a driving force. In this embodiment, the SMA spring is elongated and deformed when the electrical signal is received. When the electrical signal disappears, the SMA spring will resume its deformation, thereby driving the first magnetic member 50 to move relative to the second magnetic member 60, so that the first magnetic member 50 is moved relative to the second magnetic member 60. The magnetic member 50 and the second magnetic member 60 are switched from the second relative position to the first relative position.

Please refer to FIGS. 6 and 7. FIG. 6 is a schematic diagram of the magnetic pole distribution of the first magnetic member and the second magnetic member in the first relative position; FIG. 7 is the magnetic pole distribution of the first magnetic member and the second magnetic member in the second relative position. Schematic. In one embodiment, in order to provide stronger attractive and repulsive forces, the number of the first magnetic members 50 is more than two, and the number of the second magnetic members 60 is also more than two. As shown in FIG. 6 , when the plurality of first magnetic members 50 and the plurality of second magnetic members 60 are in the first relative positions, the plurality of first magnetic members 50 and the plurality of second magnetic members 60 attract each other. As shown in FIG. 7 , when the plurality of first magnetic members 50 and the plurality of second magnetic members 60 are in the second relative positions, the plurality of first magnetic members 50 and the plurality of second magnetic members 60 repel each other. In this embodiment, the first magnetic member 50 and the second magnetic member 60 are both magnets. In other embodiments, the first magnetic member 50 and the second magnetic member 60 may also be other magnetic objects.

It can be understood that the composition of the multiple first magnetic members 50 and the multiple second magnetic members 60 shown in FIG. 6 and FIG. 7 and the distribution of the magnetic poles are only an example. In other embodiments, the first magnetic member 50 The number and polarity distribution of the second magnetic member 50 and the second magnetic member 60 are not limited to this, as long as the mutual attraction between the first magnetic member 50 and the second magnetic member 60 can be achieved when the first magnetic member 50 and the second magnetic member 60 are in the first relative position, and when the first magnetic member 50 and the second magnetic member When the two magnetic members 60 are in the second relative position, it is sufficient that they repel each other.

In one embodiment, in order to better provide a closing force so that the folding electronic device 100 is not easy to open when it is in a closed state, the first magnetic member 50 is disposed on the first cover 10 away from the rotating shaft 30 . One side, and the second magnetic member 60 is disposed on the side of the second cover 20 away from the rotating shaft 30 .

Please refer to FIG. 8 , which is a schematic block diagram of the foldable electronic device 100 . The foldable electronic device 100 further includes a detection module 80 and a processor 90 . The processor 90 is electrically connected to the detection module 80 and the driving spring 73, respectively. The detection module 80 is used to detect the trigger instruction of the user. The processor 90 is configured to send an electrical signal to the driving spring 73 when it is determined that a trigger instruction of the user is received. Specifically, when the processor 90 receives the detection signal generated by the detection module 80, when the detection signal received by the processor 90 is the same as the preset detection signal, it is determined that the trigger instruction of the user is received, and the processor 90 generates electrical signal and send the electrical signal to the drive spring 73 . The drive spring 73 is deformed according to the received electrical signal. For example, the driving spring 73 can be connected to the power supply through an electronic switch (such as a MOS field effect transistor), and the processor 90 is electrically connected to the electronic switch and controls the turn-on and turn-off of the electronic switch. When the processor 90 receives a trigger instruction, the processor 90 controls the electronic switch to be turned on, so that the power can supply power to the driving spring 73 .

The processor 90 may be a central processing unit (Central Processing Unit, CPU), other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor, etc. The processor is the control center of the foldable electronic device 100, and uses various interfaces and lines to connect various parts of the entire foldable electronic device 100 .

Several methods for detecting user-triggered instructions are described below.

Referring to FIG. 9 , in one embodiment, the detection module 80 is a pressure sensor. The pressure sensor is disposed on the side of the first cover body 10 or the second cover body 20, and generates a detection signal when the pressure sensor detects the pressure exerted by the user. When the pressure signal generated by the pressure sensor is the same as the preset pressure signal, the processor 90 determines that a trigger command from the user is received, and sends an electrical signal to the driving spring 73 , thereby causing the driving spring 73 to deform to drive the first magnetic member 50 Relatively move relative to the second magnetic member 60 . In this embodiment, when the user holds the foldable electronic device 100 , a trigger instruction can be generated, so that the first cover body 10 and the second cover body 20 are separated from each other.

In one embodiment, in order to improve the detection signal generation accuracy and facilitate user operation, the foldable electronic device 100 includes two pressure sensors, and the two pressure sensors are respectively disposed on the first cover 10 or the second cover 20 opposite sides.

Referring to FIG. 10 , in one embodiment, the detection module 80 is a touch screen. The touch screen is disposed on the side of the first cover 10 facing away from the second cover 20 (when the foldable electronic device 100 is in the folded state), when the operation gesture received by the touch screen is the same as the preset operation gesture, the processor 90 It is determined that the triggering instruction of the user is received, and an electrical signal is sent to the driving spring 73, so that the driving spring 73 is deformed.

Referring to FIG. 11 , in one embodiment, the detection module 80 is a fingerprint recognition sensor. The fingerprint recognition sensor is arranged on the first cover body 10. When the fingerprint received by the fingerprint recognition sensor is the same as the preset fingerprint, the processor 90 determines that the trigger instruction from the user is received, and sends an electrical signal to the driving spring 73, so as to drive the driving spring 73. The spring 73 is deformed.

Referring to FIG. 12 , in one embodiment, the detection module 80 is a camera. The camera is disposed on the side of the first cover 10 that faces away from the second cover 20 (when the foldable electronic device 100 is in the folded state), and when the portrait recognized by the camera is the same as the preset portrait, the processor 90 determines After receiving the trigger instruction from the user, an electrical signal is sent to the driving spring 73, so that the driving spring 73 is deformed.

In addition, in one embodiment, the detection module 80 is a microphone, and the microphone is arranged on the first cover 10. When the sound information received by the microphone is the same as the preset sound information, the processor 90 determines that a trigger from the user is received. The instruction sends an electrical signal to the drive spring 73, thereby causing the drive spring 73 to deform.

The above embodiments describe different trigger instructions corresponding to different detection modules 80 . Of course, the user's trigger instructions are not limited to the above embodiments. Users can set different trigger instructions according to actual use requirements. The foregoing embodiments may exist alone or may be used in combination, which is not limited herein.

The foldable electronic device 100 in the embodiment of the present application can use the existing detection module 80 (such as a fingerprint recognition sensor, a camera, or a microphone, etc.) of the foldable electronic device 100 to detect the user's operation, and send the detected signal. to the processor 90 , so that the processor 90 judges whether the trigger instruction of the user is received according to the detection signal, and sends an electrical signal to the driving spring 73 . In this way, the user can customize the opening action to improve the applicability of the foldable electronic device 100 .

The above is the implementation of the embodiments of the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the embodiments of the present application, several improvements and modifications can also be made. These improvements and modifications are also It is regarded as the protection scope of this application.

Claims (10)

1. A foldable electronic device, characterized in that, comprising: a first cover body and a second cover body; a rotating shaft, rotatably connected between the first cover body and the second cover body; a first magnetic member, disposed inside the first cover; a second magnetic member disposed inside the second cover; and a drive assembly, disposed in the first cover and connected with the first magnetic member; When the foldable electronic device is in a closed state, the first magnetic member and the second magnetic member are in a first relative position and attract each other; the driving assembly is used to drive the first magnetic member to be opposite to the The second magnetic member moves so that the first magnetic member and the second magnetic member are in a second relative position to repel each other, and the repulsive force of the first magnetic member and the second magnetic member drives the first magnetic member and the second magnetic member The first cover body and the second cover body are separated to an open state. 2 . The foldable electronic device according to claim 1 , wherein the driving assembly comprises a driving shaft, a shaft seat and a driving spring; the driving shaft is mounted on the shaft seat and can be opposite to the shaft seat. 3 . one end of the drive shaft protrudes from the shaft seat and is fixedly connected with the first magnetic member; the drive spring is sleeved on the drive shaft to drive the drive shaft relative to the shaft seat moving, so as to drive the first magnetic member to move relative to the second magnetic member to switch from the first relative position to the second relative position. 3 . The foldable electronic device according to claim 2 , wherein the shaft seat comprises a first fixed end and a second fixed end arranged at intervals; the drive shaft passes through the first fixed end and the second fixed end in sequence. 4 . The second fixed end is movable relative to the first fixed end and the second fixed end; the first magnetic member is mounted on one end of the drive shaft, and is located at the second fixed end away from the first fixed end one side; the drive spring is sleeved on the drive shaft and is located between the first fixed end and the second fixed end. 4 . The foldable electronic device according to claim 3 , wherein a resisting portion is protruded from the driving shaft, and the resisting portion is located between the first fixed end and the second fixed end. 5 . the driving spring is located between the first fixing part and the abutting part; when the driving spring is deformed, a driving force is generated to push the abutting part to the direction close to the second fixing end move, and then drive the drive shaft to move relative to the shaft seat. 5 . The foldable electronic device according to claim 4 , wherein the drive assembly further comprises a balance spring; the balance spring is sleeved on the drive shaft and located between the abutting portion and the between the second fixed parts. 6 . The foldable electronic device according to claim 2 , wherein the driving spring is a shape memory alloy spring; and the shape memory alloy spring is deformed when receiving an electrical signal. 7 . 7. The foldable electronic device according to claim 6, wherein the foldable electronic device further comprises a detection module and a processor; the processor is electrically connected to the detection module and the driving spring respectively; The detection module is configured to detect a user's trigger instruction; the processor is configured to send the electrical signal to the driving spring when it is determined that the user's trigger instruction is received. 8 . The foldable electronic device according to claim 7 , wherein when the electrical signal disappears, the driving spring will recover its deformation, thereby driving the first magnetic member to move relative to the second magnetic member. 9 . , so that the first magnetic member and the second magnetic member are switched from the second relative position to the first relative position. 9 . The foldable electronic device of claim 1 , wherein the first magnetic member is disposed on a side of the first cover away from the rotating shaft, and the second magnetic member is disposed on the The second cover is away from the side of the rotating shaft. 10 . The foldable electronic device according to claim 1 , wherein the first magnetic member is relatively slidably connected to the first cover body; the second magnetic member is relatively fixed to the second cover body. 11 . connect.

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