WO2023221908A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2023221908A1
WO2023221908A1 PCT/CN2023/094116 CN2023094116W WO2023221908A1 WO 2023221908 A1 WO2023221908 A1 WO 2023221908A1 CN 2023094116 W CN2023094116 W CN 2023094116W WO 2023221908 A1 WO2023221908 A1 WO 2023221908A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
flexible screen
electronic device
section
rotating shaft
Prior art date
Application number
PCT/CN2023/094116
Other languages
English (en)
French (fr)
Inventor
马景球
关子威
刘旭阳
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2023221908A1 publication Critical patent/WO2023221908A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel

Definitions

  • the present application relates to the technical field of electronic equipment, specifically, to an electronic equipment.
  • a spring for pulling the flexible screen is provided in the roll-up screen device.
  • the spring will frequently expand and contract along with the unfolding and recycling of the screen, so that the spring is prone to fatigue failure, which affects the service life of the product.
  • the present application aims to provide an electronic device, which at least solves the technical problem in the related art that the elastic parts inside the electronic device fail due to frequent expansion and contraction fatigue and the elastic parts have short service life.
  • the electronic device includes: a first frame; a second frame that can move relative to the first frame; a flexible screen, the first end of the flexible screen is connected to the first frame; and a rotating shaft is connected to the second frame. , the second end of the flexible screen goes around the rotating shaft; the pulley assembly is located on the first frame; the connecting piece, the first end of the connecting piece is connected to the first frame, and the second end of the connecting piece goes around the pulley assembly; the elastic piece, The first end of the elastic member is connected to the second end of the flexible screen, and the second end of the elastic member is connected to the second end of the connecting piece; wherein, during the movement of the second frame relative to the first frame, the pulley assembly follows the first frame. The second frame moves and the connecting piece moves around the pulley assembly so that the length of the elastic piece remains constant.
  • an electronic device with a screen unfolding and recycling function includes a first frame, a second frame, a flexible screen, a rotating shaft, and an elastic member.
  • the first frame and the second frame are the main frame structures of the electronic device and are used to position and support other structures on the electronic device, where the first frame and the second frame can move relative to each other.
  • Flexible screens can Due to the characteristics of curling, one end of the flexible screen is fixed on the first frame. This end is the fixed end of the flexible screen, and the opposite end is the free end of the flexible screen.
  • the rotating shaft is connected to the second frame, and the rotating shaft can move synchronously with the second frame relative to the first frame.
  • the flexible screen is partially wound around the peripheral side of the rotating shaft, so that the free end of the flexible screen is wound around the opposite side of the fixed end.
  • the rotating shaft gradually unfolds the flexible screen through rolling to increase the exposed area of the flexible screen.
  • the unfolded flexible screen is curled by the rolling rotating shaft, and is finally stored to the peripheral side of the rotating shaft or the opposite side of the fixed end.
  • the elastic member is arranged in the body.
  • the first end of the elastic member is used to connect the free end of the flexible screen.
  • the second end of the elastic member is used to connect the first frame.
  • the elastic member is always in a stretched state to pull through its own elastic force. Tighten the flexible screen to avoid unevenness in some areas of the flexible screen and ensure the flatness of the flexible screen.
  • the free end of the flexible screen will reciprocate, causing the elastic member connected between the free end and the main body to frequently expand and contract. Frequent expansion and contraction will affect the life of the elastic member and cause fatigue of the elastic member. The likelihood of failure increases. If the elastic part fails, the flexible screen will be uneven and the flexible screen cannot be stored in place, making the product unable to be used normally.
  • this application provides a pulley assembly and a connecting piece in an electronic device.
  • the pulley assembly is installed on the first frame.
  • the first end of the connecting piece is connected to the first frame.
  • the second end of the connecting piece bypasses the pulley assembly and the elastic
  • the second end of the elastic member is connected to the free end of the flexible screen.
  • the first length of the rotating shaft translation is equal to the unfolding length of the unfolding side of the flexible screen, and is also equal to the shortened length of the receiving side of the flexible screen.
  • the connecting piece is wound around the pulley assembly and the pulley assembly can be moved along with the flexible screen.
  • the second frame moves synchronously, so that the second end of the connecting member can extend out the first length through the rotating pulley assembly, so that the length of the elastic member does not change.
  • the second length of the rotating shaft is equal to the reduced length of the unfolding side of the flexible screen, is also equal to the elongated length of the receiving side of the flexible screen, and is also equal to the shortened length of the second end of the connector, so The distance between the free end of the flexible screen on the storage side and the second end of the connecting piece remains unchanged so that the state of the elastic piece does not change.
  • the elastic parts can always be kept in the same state, preventing the elastic parts from synchronously expanding and contracting during the expansion and contraction process of the flexible screen, thereby solving the problem of frequent failure of the elastic parts without affecting the expansion and recovery function of the flexible screen.
  • Telescopic fatigue failure and short service life of elastic parts are technical issues. This can achieve the technical effects of optimizing the structure of electronic equipment, reducing the failure rate of electronic equipment, and extending the service life of electronic equipment.
  • Figure 1 is one of the structural schematic diagrams of an electronic device according to an embodiment of the present application.
  • Figure 2 is one of the force diagrams of an electronic device according to an embodiment of the present application.
  • Figure 3 is a second force diagram of an electronic device according to an embodiment of the present application.
  • Figure 4 is a second structural schematic diagram of an electronic device according to an embodiment of the present application.
  • Figure 5 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.
  • Reference numbers in Figures 1 to 5 100 electronic equipment, 110 first frame, 120 second frame, 130 flexible screen, 140 rotating shaft, 150 pulley assembly, 152 support part, 1522 first section, 1524 second section, 154 pulley, 160 connecting piece, 170 elastic piece, 180 drive assembly, 182 screw, 184 slider, 186 motor, 190 bracket, 192 Installation cavity.
  • first and second features in the description and claims of this application may include one or more of these features, either explicitly or implicitly.
  • plural means two or more.
  • and/or in the description and claims indicates at least one of the connected objects, and the character “/” generally indicates that the related objects are in an “or” relationship.
  • connection should be understood in a broad sense.
  • connection or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.
  • connection or integral connection
  • connection or integral connection
  • connection can be a mechanical connection or an electrical connection
  • it can be a direct connection or an indirect connection through an intermediate medium
  • it can be an internal connection between two components.
  • specific meanings of the above terms in this application can be understood on a case-by-case basis.
  • the electronic device 100 according to the embodiment of the present application is described below with reference to FIGS. 1 to 5 .
  • the electronic device 100 includes: a first frame 110; a second frame 120 that can move relative to the first frame 110; a flexible screen 130, a first end of the flexible screen 130 Connected to the first frame 110; the rotating shaft 140 is connected to the second frame 120, and the second end of the flexible screen 130 goes around the rotating shaft 140; the pulley assembly 150 is provided on the first frame 110; the connecting piece 160, the third end of the connecting piece 160 One end is connected to the first frame 110, and the second end of the connecting member 160 bypasses the pulley assembly 150; the elastic member 170, the first end of the elastic member 170 is connected to the second end of the flexible screen 130, and the second end of the elastic member 170 Connected to the second end of the connecting piece 160; wherein, during the movement of the second frame 120 relative to the first frame 110, the pulley assembly 150 moves with the second frame 120, and the connecting piece 160 moves around the pulley assembly 150 to make the elastic member The length of 170 remains the same.
  • an electronic device 100 with a screen unfolding and recycling function is defined.
  • the electronic device 100 includes a first frame 110, a second frame 120, a flexible screen 130, a rotating shaft 140 and an elastic member 170.
  • the first frame 110 and the second frame 120 are the main frame structure of the electronic device 100 and are used to position and support other structures on the electronic device 100, wherein the first frame 110 and the second frame 120 can move relative to each other.
  • the flexible screen 130 is rollable. One end of the flexible screen 130 is fixed on the first frame 110 . This end is the fixed end of the flexible screen 130 , and the opposite end is the free end of the flexible screen 130 .
  • the rotating shaft 140 is connected to the second frame 120, and the rotating shaft 140 can move synchronously with the second frame 120 relative to the first frame 110.
  • the flexible screen 130 is partially wound around the peripheral side of the rotating shaft 140, so that the free end of the flexible screen 130 is wound around to the opposite side of the fixed end.
  • the rotating shaft 140 gradually unfolds the flexible screen 130 by rolling to increase the exposed area of the flexible screen 130 .
  • the unfolded flexible screen 130 is curled by the rolling rotating shaft 140 , and is finally stored to the peripheral side of the rotating shaft 140 or the opposite side of the fixed end.
  • the elastic member 170 is disposed in the body.
  • the first end of the elastic member 170 is used to connect to the free end of the flexible screen 130.
  • the second end of the elastic member 170 is used to connect to the first frame 110.
  • the elastic member 170 is always in a stretched state.
  • the flexible screen 130 is tightened by its own elastic force to avoid unevenness in some areas of the flexible screen 130 and ensure the flatness of the flexible screen 130 .
  • the free end of the flexible screen 130 will reciprocate, causing the elastic member 170 connected between the free end and the body to frequently expand and contract. Frequent expansion and contraction will affect the life of the elastic member 170, resulting in The possibility of fatigue failure of the elastic member 170 increases. If the elastic member 170 fails, the flexible screen 130 will be uneven and the flexible screen 130 cannot be stored in place, so that the product cannot be used normally.
  • the present application provides a pulley assembly 150 and a connector 160 in the electronic device 100.
  • the pulley assembly 150 is installed on the first frame 110.
  • the first end of the connector 160 is connected to the first frame 110, and the third end of the connector 160 is connected to the first frame 110.
  • the two ends go around the pulley assembly 150 and are connected to the second end of the elastic member 170 , and the first end of the elastic member 170 is connected to the free end of the flexible screen 130 .
  • the first length of the translation of the rotating shaft 140 is equal to the unfolding length of the unfolding side of the flexible screen 130 and is also equal to the shortened length of the receiving side of the flexible screen 130.
  • the connector 160 is wound around the pulley assembly. 150 and the pulley assembly 150 can move synchronously with the second frame 120, so the second end of the connecting member 160 can extend the first length through the rotating pulley assembly 150, so that the length of the elastic member 170 does not change.
  • the second translation length of the rotating shaft 140 is equal to the shortened length of the unfolding side of the flexible screen 130, is also equal to the elongated length of the receiving side of the flexible screen 130, and is also equal to the third length of the connecting member 160.
  • the length of the two ends is shortened, so the distance between the free end of the flexible screen 130 located on the storage side and the second end of the connecting member 160 remains unchanged, so that the state of the elastic member 170 does not change.
  • the elastic member 170 can always be kept in the same state, preventing the elastic member 170 from synchronously expanding and contracting during the expansion and contraction process of the flexible screen 130, so as not to affect the expansion and recovery function of the flexible screen 130.
  • the structure of the device 100 has the technical effect of reducing the failure rate of the electronic device 100 and extending the service life of the electronic device 100.
  • the electronic device 100 includes terminal products such as mobile phones, tablet computers, and e-books, which are not strictly limited in this embodiment.
  • the pulley assembly 150 includes: a support portion 152 connected to the second frame 120 ; a pulley 154 rotatably connected to the support portion 152 , and a connecting piece 160 wound around the pulley 154 .
  • the electronic device 100 is also provided with a support part 152, which is connected to the second frame 120, and the rotating shaft 140 is provided on the supporting part 152, and the rotating shaft 140 and the supporting part 152 move synchronously.
  • the second frame 120 can move in a first direction relative to the first frame 110 , and the first direction is the unfolding direction of the flexible screen 130 .
  • the support part 152 and the rotating shaft 140 move away from the fixed end of the flexible screen 130 simultaneously, thereby elongating the length of the flexible screen 130 on the unfolding side and the length of the flexible screen 130 on the receiving side.
  • the length is shortened to realize the unfolding of the flexible screen 130 .
  • the support portion 152 and the rotating shaft 140 approach the fixed end of the flexible screen 130 simultaneously, thereby elongating the flexible screen 130 on the storage side through the elastic member 170
  • the length of the flexible screen 130 on the unfolded side is shortened to realize the storage of the flexible screen 130.
  • the support portion 152 By providing the support portion 152, on the one hand, stable support can be provided for the rotating shaft 140, ensuring that the motion trajectory of the rotating shaft 140 is consistent with the set trajectory. On the other hand, the support portion 152 can function to extend the distance between the rotating shaft 140 and the driving portion, thereby providing convenient conditions for the internal structural layout of the electronic device 100 .
  • the pulley 154 is installed on the support part 152, and the pulley 154 can rotate on the support part 152.
  • the first end of the connecting member 160 is connected to the first frame 110 , the second end of the connecting member 160 goes around the pulley 154 , and the second end of the connecting member 160 is connected to the second end of the elastic member 170 . Since the elastic member 170 is in a tensioned state, the connecting member 160 pulled by the elastic member 170 is also in a tensioned state.
  • the connecting piece 160 between the body and the pulley 154 is parallel to the movement direction of the rotating shaft 140, that is, the first direction, and the connecting piece 160 between the pulley 154 and the second end of the elastic member 170 is also parallel to the first direction. .
  • the driving assembly 180 drives the support part 152 , the rotating shaft 140 and the pulley 154 to move to the left, because the first end of the connecting member 160 It is connected to the body, and the upper and lower sections of the connecting member 160 are parallel to the direction of movement, so the release length of the connecting member 160 on the lower side of the pulley 154 is equal to the movement length of the rotating shaft 140, thereby ensuring that the free end of the flexible screen 130 and the third end of the connecting member 160 are The distance between the two ends does not change, so that the state of the elastic member 170 does not change during the elongation process.
  • the driving assembly 180 drives the support part 152, the rotating shaft 140 and the pulley 154 to move to the right.
  • the shortening distance of the connecting member 160 between the elastic member 170 and the pulley 154 is consistent with the rightward movement of the rotating shaft 140. The distance is the same, thereby ensuring that the distance between the free end of the flexible screen 130 and the second end of the connecting member 160 does not change, so that the state of the elastic member 170 does not change during the storage process, thereby achieving the extension of the elastic member 170 and the motor 186 Technical effects on service life.
  • the electronic device 100 further includes: a driving component 180 disposed in the first frame 110 and connected to the supporting part 152 .
  • the driving component 180 is used to drive the supporting part 152 in the first position. movement in direction.
  • the electronic device 100 is also provided with a driving assembly 180 .
  • the driving assembly 180 is fixed in the first frame 110 , and the supporting portion 152 is connected to the driving end of the driving assembly 180 .
  • the driving end can move in a first direction relative to the first frame 110 , and the first direction is the unfolding direction of the flexible screen 130 .
  • the driving assembly 180 drives the support part 152 and the rotating shaft 140 to move away from the fixed end of the flexible screen 130 synchronously, thereby elongating the length of the flexible screen 130 on the unfolding side and the length of the flexible screen 130 on the receiving side.
  • the length of the flexible screen 130 is shortened to realize the deployment of the flexible screen 130 .
  • the driving assembly 180 drives the support portion 152 and the rotating shaft 140 to approach the fixed end of the flexible screen 130 synchronously, thereby elongating the flexible screen 130 on the storage side.
  • the length of the flexible screen 130 on the unfolded side is shortened to realize the storage of the flexible screen 130.
  • the flexible screen 130 can be automatically deployed and stored automatically, eliminating the user's complicated operation of manually pushing and pulling the rotating shaft 140. This improves the movement accuracy of the flexible screen 130 during the unfolding and storing process, reduces the possibility that the flexible screen 130 cannot be fully unfolded and stored, prevents the electronic device 100 from being damaged due to the user's erroneous push-pull operation, and provides convenience for users.
  • the expansion of the flexible screen 130 can be completed by the power provided by the driving assembly 180, and the storage of the flexible screen 130 can be completed by the pulling force provided by the elastic member 170.
  • the motor 186 After completing the deployment of the flexible screen 130, the motor 186 remains in the current state to support Support the unfolded flexible screen 130.
  • the present application provides the pulley assembly 150 and the connector 160 around the pulley assembly 150 so that the length of the elastic member 170 can remain unchanged during the deployment process, so that the external force exerted on the driving assembly 180 is not affected. It will increase due to the increase in the extension length, so as to ensure that the driving assembly 180 can drive the support part 152 to extend smoothly and reduce the noise during the extension process. And when maintaining the extended state, the force exerted by the elastic member 170 on the motor 186 is relatively small, which is beneficial to reducing the loss of the driving component 180 and extending the service life of the driving component 180 . Then solve the above technical problems.
  • the force of the spring pulling the support part 152 gradually decreases, so that the storage speed of the flexible screen 130 changes during the storage stage, that is, the storage speed is faster in the first half of the storage process. Fast, the speed is slower in the second half of the storage process, affecting the user experience.
  • the present application provides the pulley assembly 150 and the connector 160 so that the length of the elastic member 170 can remain unchanged during the storage process, thereby providing a constant pulling force for the support portion 152 so that the support portion 152 can drive the rotating shaft 140 for storage at a uniform speed.
  • the flexible screen 130 solves the above technical problem of uneven storage speed of the flexible screen 130, thereby improving the user experience.
  • the driving assembly 180 includes: a screw 182, which is rotationally connected to the first frame 110 and extends in the first direction; a slider 184, which is sleeved on the screw 182, and Engaged with the screw 182 , the support portion 152 is connected with the slider 184 ; the motor 186 is connected with the screw 182 and is used to drive the screw 182 to rotate so that the slider 184 moves along the screw 182 .
  • the structure of the drive assembly 180 is limited.
  • the drive assembly 180 includes a lead screw 182 , a slider 184 and a motor 186 .
  • the screw 182 is rotatably connected to the first frame 110, and the screw 182 extends in the first direction.
  • the slide block 184 is set on the screw 182. Through the guiding function of the screw 182, the slide block 184 can move in the first direction on the screw 182.
  • the support part 152 is connected to the slide block 184 and moves synchronously with the slide block 184.
  • the motor 186 is connected to the screw 182 and is used to drive the screw 182 to rotate around its own axis.
  • the slider 184 is provided with a screw hole, the screw 182 is inserted into the screw hole, and the screw 182 is engaged with the screw hole. At the same time, the body positions the peripheral side of the slide block 184 so that the slide block 184 cannot rotate along with the screw 182 .
  • the motor 186 drives the screw 182 to rotate in the first direction of rotation, and the slider 184 moves in the first direction under the engagement and cooperation, thereby driving the support portion 152 and the rotating shaft 140 to unfold the flexible screen 130 .
  • the motor 186 is turned off, and the elastic force of the elastic member 170 pulls the flexible screen 130 and the rotating shaft 140 to exert thrust on the slider 184.
  • the thread transmission method between the screw 182 and the slider 184 has the advantage of high transmission accuracy, which is conducive to improving the unfolding and storage accuracy of the flexible screen 130, and the driving assembly 180 composed of the screw 182 and the slider 184 has a low structural complexity. , which is conducive to reducing the cost of the electronic device 100 to enhance product competitiveness.
  • the support part 152 includes: a first section 1522, connected to the driving assembly 180; a second section 1524, parallel to the first section 1522, and the pulley 154 is connected to the second section.
  • the segments 1524 are rotationally connected.
  • the support part 152 includes a first section 1522 and a second section 1524.
  • the first section 1522 and the second section 1524 are both fixed on the second frame 120.
  • One end of the first section 1522 is connected to the second frame 120.
  • the driving assembly 180 is connected, the other end of the first section 1522 extends to the deployment side of the rotating shaft 140, one end of the second section 1524 is located on the storage side of the rotating shaft 140, and the other end is connected to the pulley 154.
  • the driving assembly 180 and the bearing are arranged between the first section 1522 and the second section 1524, thereby improving the structural compactness of the driving assembly 180 and the supporting section 152, and providing a compact design for the electronic device 100. Conveniences. Thus, the technical effect of optimizing the internal structural layout of the electronic device 100 and improving the practicality of the electronic device 100 is achieved.
  • both the first section 1522 and the second section 1524 are parallel to the first direction.
  • first section 1522 and the second section 1524 are parallel, and both the first section 1522 and the second section 1524 are parallel to the first direction.
  • first section parallel to the first direction 1522 and the second section 1524 can optimize the stress of the electronic device 100 .
  • FIG. 2 shows the mechanism composed of the following part, the supporting part 152 and the rotating shaft 140.
  • the stress situation is not limited to, the supporting part 152 and the rotating shaft 140.
  • both ends of the rotating shaft 140 are subject to the pulling force F 1 of the flexible screen 130
  • both ends of the pulley 154 are subject to the pulling force F 3 of the connecting piece 160 .
  • F 1 k x (the elastic force of the elastic member 170)
  • the rightward force F 2 exerted by the rotating shaft 140 on the supporting part 152 is 0. Therefore, the drive assembly 180 is not subject to external forces.
  • Figure 3 shows the stress situation of the body.
  • the length by which the flexible screen 130 at the upper end of the rotating shaft 140 is retracted around the rotating shaft 140 is exactly equal to the length by which the lower end connecting piece 160 of the pulley 154 slides around the pulley 154 to the upper end. That is, during the expansion and storage process of the flexible screen 130, the elastic member 170 moves left and right as a whole without changing the length of the elastic member 170. The tensile force of the elastic member 170 remains unchanged, and the elastic member 170 becomes a constant force tensioning spring. In order to ensure that the screen is constantly tightened, when the electronic device 100 is assembled, a predetermined pulling force needs to be given to the elastic member 170 .
  • the structure defined in this embodiment can prevent the driving component 180 from being affected by external forces, thereby eliminating the loss of the driving component 180 caused by external forces, thereby reducing the operating noise of the driving component 180 and extending the service life of the driving component 180 .
  • the support part 152 of the electronic device 100 further includes: a bearing seat, which is provided on the second frame 120 , and the rotating shaft 140 is rotationally connected to the bearing seat; One end is connected to the bearing seat, the second end of the first section 1522 is connected to the slider 184; the second section 1524 is connected to the bearing seat.
  • the electronic device 100 is further provided with a bearing seat, the bearing seat is fixed on the first frame 110 , and the bearing seat is located between the first section 1522 and the second section 1524 .
  • the bearing seat is used to position the rotating shaft 140, and the rotating shaft 140 can rotate on the bearing seat.
  • the first section 1522 extends in the first direction, the first end of the first section 1522 is connected to the bearing seat, the second end of the first section 1522 is connected to the slider 184, and the slider moves along the screw 182.
  • the block 184 pushes the bearing seat, the rotating shaft 140 and the second frame 120 to move through the first section 1522 .
  • the section 1524 is connected to the bearing seat, and the pulley 154 is provided on an end of the second section 1524 away from the bearing seat, so that the flexible screen 130 and the elastic member 170 are arranged below the second section 1524, and the connecting piece 160 is arranged under the second section 1524. Above the second section 1524.
  • the first section 1522 and the second section 1524 are comb-shaped support structures.
  • the first section 1522 can support the flexible screen 130 on the unfolded side of the rotating shaft 140 to improve the flatness of the unfolded flexible screen 130 and prevent the flexible screen from being 130 has a problem of unevenness.
  • the second section 1524 can support the flexible screen 130 in the stored state on the storage side of the rotating shaft 140 to prevent the flexible screen 130 from curling or even getting stuck inside the electronic device 100 . This achieves the technical effect of improving the practicality of the flexible screen 130 and reducing the action failure rate of the flexible screen 130 .
  • the electronic device 100 further includes: a bracket 190 connected to the first frame 110 and located between the first section 1522 and the second section 1524 .
  • the bracket 190 includes a mounting bracket 190 .
  • Cavity 192 , the driving assembly 180 is disposed in the mounting cavity 192 .
  • the electronic device 100 further includes a bracket 190 , the bracket 190 is installed on the first frame 110 , and the bracket 190 is located between the first section 1522 and the second section 1524 .
  • the bracket 190 is used to position the driving assembly 180.
  • An installation cavity 192 is formed inside the bracket 190, and the driving assembly 180 is arranged in the installation cavity 192.
  • the bracket 190 is provided with a shaft hole, and the screw 182 is passed through the shaft hole, so that the screw 182 can rotate relative to the bracket 190 .
  • the outer contour shape of the slider 184 is adapted to the shape of the installation cavity 192 , so that the installation cavity 192 can limit the rotation of the slider 184 , and the installation cavity 192 can also cooperate with the screw 182 to guide the slider 184 .
  • the bracket 190 is also provided with an escape hole extending along the first direction. The escape hole is connected with the installation groove. The slider 184 is connected to the first section 1522 outside the bracket 190 through the escape hole.
  • the driving component 180 can be accurately positioned to ensure the accuracy of the flexible screen 130 in unfolding and storing, and to avoid the problem of the flexible screen 130 not being fully deployed or stored due to misalignment of the driving component 180 .
  • the bracket 190 can separate the flexible screen 130 and the driving assembly 180 to avoid interference between the flexible screen 130 and the driving assembly 180 and eliminate the possibility of the flexible screen 130 being rolled into the driving assembly 180 . This achieves the effect of improving the safety and reliability of the electronic device 100 and reducing the failure rate of the electronic device 100 .
  • the first end of the connector 160 is connected to the end of the bracket 190 adjacent to the rotating shaft 140 ; the pulley 154 is rotationally connected to the end of the second section 1524 away from the rotating shaft 140 .
  • the first end of the connecting member 160 is connected to an end of the bracket 190 adjacent to the rotating shaft 140
  • the pulley 154 is disposed on an end of the second section 1524 away from the rotating shaft 140 , that is, close to the root of the bracket 190 .
  • This structure provides sufficient stroke for the connecting piece 160 and the pulley 154, so that the synchronized structure composed of the connecting piece 160 and the pulley 154 can effectively match the telescopic stroke of the flexible screen 130, ensuring that the elastic member 170 can be maintained in a constant force state.
  • the connecting member 160 is a metal wire
  • the elastic member 170 is a tension spring
  • the connecting member 160 is a metal wire, specifically a steel wire rope. Choosing a metal wire as the connector 160 can, on the one hand, provide convenience for the lightweight design of the electronic device 100 and optimize the user's holding experience. On the other hand, the metal wire has excellent tensile resistance and can effectively resist the pulling force of the elastic member 170. This ensures the movement accuracy of the flexible screen 130.
  • a groove surrounding the axis of the pulley 154 is provided on the peripheral side of the pulley 154, and the metal wire is inserted into the chute to position the metal wire through the chute to prevent the metal wire from detaching from the pulley 154 due to vibration, impact and other factors.
  • the first frame 110 and the second frame 120 enclose a cavity including an opening; the flexible screen 130 covers one side of the first frame 110 and the second frame 120 .
  • the first frame 110 and the second frame 120 enclose a cavity including an opening, wherein the back plates on the first frame 110 and the second frame 120 are opposite to the opening.
  • the back side of the electronic device 100 blocks the internal structure of the electronic device 100 .
  • the support part 152, the flexible screen 130, the connecting piece 160, the elastic piece 170 and the pulley 154 are all arranged in the cavity, and the flexible screen 130 covers the first frame 110 and the second frame 120 on the opening side, so that the flexible screen 130 is exposed to the opening. within to facilitate the user to use the flexible screen 130.

Abstract

本申请公开了一种电子设备。电子设备包括：第一框架；第二框架，能够相对第一框架移动；柔性屏，柔性屏的第一端与第一框架连接；转轴，与第二框架连接，柔性屏的第二端绕过转轴；滑轮组件，设于第一框架上；连接件，连接件的第一端与第一框架连接，连接件的第二端绕过滑轮组件；弹性件，弹性件的第一端与柔性屏的第二端连接，弹性件的第二端与连接件的第二端连接；其中，在第二框架相对于第一框架移动的过程中，滑轮组件随第二框架移动，连接件绕滑轮组件移动以使弹性件的长度保持不变。

Description

电子设备
相关申请的交叉引用
本申请要求在2022年5月19日提交中国专利局、申请号为202210544608.5、名称为“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。
技术领域
本申请涉及电子设备技术领域，具体而言，涉及一种电子设备。
背景技术
随着电子行业的快速发展，用户对移动智能终端设备提出了更高的要求。为追求大屏的极致体验及携带的便捷性，卷曲屏设备应运而生。
相关技术中，卷曲屏设备内设置有用于拉拽柔性屏的弹簧，但在使用过程中，弹簧会随同屏幕的展开、回收频繁伸缩，以至于弹簧易出现疲劳失效的问题，影响产品使用寿命。
发明内容
本申请旨在提供一种电子设备，至少解决了相关技术中电子设备内部的弹性件因频繁伸缩疲劳失效，弹性件寿命短的技术问题。
为了解决上述技术问题，本申请是这样实现的：
本申请提供了一种电子设备，电子设备包括：第一框架；第二框架，能够相对第一框架移动；柔性屏，柔性屏的第一端与第一框架连接；转轴，与第二框架连接，柔性屏的第二端绕过转轴；滑轮组件，设于第一框架上；连接件，连接件的第一端与第一框架连接，连接件的第二端绕过滑轮组件；弹性件，弹性件的第一端与柔性屏的第二端连接，弹性件的第二端与连接件的第二端连接；其中，在第二框架相对于第一框架移动的过程中，滑轮组件随第二框架移动，连接件绕滑轮组件移动以使弹性件的长度保持不变。
在本申请的实施例中，限定了一种具备屏幕展开回收功能的电子设备，具体地，电子设备包括第一框架、第二框架、柔性屏、转轴和弹性件。
第一框架和第二框架为电子设备的主体框架结构，用于定位和支撑电子设备上的其他结构，其中第一框架和第二框架能够相对运动。柔性屏具备可 卷曲的特性，柔性屏的其中一端固定在第一框架上，这一端即是柔性屏的固定端，相对的另一端为柔性屏的自由端。转轴与第二框架连接，且转轴能够随同第二框架相对第一框架同步运动，柔性屏部分绕设至转轴的周侧面上，以使柔性屏的自由端绕设至固定端的对侧。
使用过程中，当第二框架和转轴向远离第二框架的方向移动时，转轴通过滚动将柔性屏逐渐展开，以增大柔性屏的外露面积。相对地，当第二框架和转轴向靠近第二框架的方向移动时，展开的柔性屏因滚动的转轴卷曲，并最终被收纳至转轴的周侧面或固定端的对侧。
弹性件设置在本体内，弹性件的第一端用于连接柔性屏的自由端，弹性件的第二端用于连接第一框架，弹性件始终处于拉伸状态，以通过自身的弹性力拉紧柔性屏，以避免柔性屏部分区域出现凹凸不平的问题，保证柔性屏的平整度。
然而，在展开或收纳柔性屏的过程中，柔性屏的自由端会往复运动，导致连接在自由端和本体之间的弹性件频繁伸缩，频繁伸缩会影响弹性件的寿命，导致弹性件出现疲劳失效的可能性增大。若弹性件失效，则会出现柔性屏凹凸不平，以及柔性屏无法收纳到位的故障，以至于产品无法正常使用。
对此，本申请在电子设备中设置了滑轮组件和连接件，滑轮组件安装在第一框架上，连接件的第一端与第一框架连接，连接件的第二端绕过滑轮组件与弹性件的第二端连接，弹性件的第一端与柔性屏的自由端连接。具体地，转轴在通过平移展开柔性屏时，转轴平移的第一长度等于柔性屏展开侧的展开长度，也等于柔性屏收纳侧的缩短长度，连接件绕设在滑轮组件上且滑轮组件能够随同第二框架同步移动，因此连接件的第二端可以通过转动的滑轮组件伸出第一长度，从而使弹性件的长度不发生改变。同理，转轴在通过平移收纳柔性屏时，转轴平移的第二长度等于柔性屏展开侧的缩小长度，也等于柔性屏收纳侧的伸长长度，同样等于连接件的第二端的缩短长度，因此位于收纳侧的柔性屏的自由端与连接件的第二端之间的距离保持不变，以使弹性件的状态不发生改变。
由此可见，通过设置滑轮组件，使弹性件可以始终保持在同一状态下，避免弹性件在柔性屏伸缩过程中同步伸缩，从而在不影响柔性屏展开回收功能的情况下，解决弹性件因频繁伸缩疲劳失效，弹性件寿命短的技术问题。进而实现优化电子设备结构，降低电子设备故障率，延长电子设备使用寿命的技术效果。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本申请一个实施例的电子设备的结构示意图之一；
图2是根据本申请一个实施例的电子设备的受力示意图之一；
图3是根据本申请一个实施例的电子设备的受力示意图之二；
图4是根据本申请一个实施例的电子设备的结构示意图之二；
图5是根据本申请一个实施例的电子设备的结构示意图之三。
图1至图5中的附图标记：
100电子设备，110第一框架，120第二框架，130柔性屏，140转轴，
150滑轮组件，152支撑部，1522第一段部，1524第二段部，154滑轮，160连接件，170弹性件，180驱动组件，182丝杠，184滑块，186电机，190支架，192安装腔。
具体实施例
下面将详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请的描述中，需要理解的是，术语“上”、“内”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具 有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的电子设备进行详细地说明。
下面结合图1至图5描述根据本申请实施例的电子设备100。
如图1、图4和图5所示，电子设备100，电子设备100包括：第一框架110；第二框架120，能够相对第一框架110移动；柔性屏130，柔性屏130的第一端与第一框架110连接；转轴140，与第二框架120连接，柔性屏130的第二端绕过转轴140；滑轮组件150，设于第一框架110上；连接件160，连接件160的第一端与第一框架110连接，连接件160的第二端绕过滑轮组件150；弹性件170，弹性件170的第一端与柔性屏130的第二端连接，弹性件170的第二端与连接件160的第二端连接；其中，在第二框架120相对于第一框架110移动的过程中，滑轮组件150随第二框架120移动，连接件160绕滑轮组件150移动以使弹性件170的长度保持不变。
在本申请的实施例中，限定了一种具备屏幕展开回收功能的电子设备100，具体地，电子设备100包括第一框架110、第二框架120、柔性屏130、转轴140和弹性件170。
第一框架110和第二框架120为电子设备100的主体框架结构，用于定位和支撑电子设备100上的其他结构，其中第一框架110和第二框架120能够相对运动。柔性屏130具备可卷曲的特性，柔性屏130的其中一端固定在第一框架110上，这一端即是柔性屏130的固定端，相对的另一端为柔性屏130的自由端。转轴140与第二框架120连接，且转轴140能够随同第二框架120相对第一框架110同步运动，柔性屏130部分绕设至转轴140的周侧面上，以使柔性屏130的自由端绕设至固定端的对侧。
使用过程中，当第二框架120和转轴140向远离第一框架110的方向移动时，转轴140通过滚动将柔性屏130逐渐展开，以增大柔性屏130的外露面积。相对地，当第二框架120和转轴140向靠近第一框架110的方向移动时，展开的柔性屏130因滚动的转轴140卷曲，并最终被收纳至转轴140的周侧面或固定端的对侧。
弹性件170设置在本体内，弹性件170的第一端用于连接柔性屏130的自由端，弹性件170的第二端用于连接第一框架110，弹性件170始终处于拉伸状态，以通过自身的弹性力拉紧柔性屏130，以避免柔性屏130部分区域出现凹凸不平的问题，保证柔性屏130的平整度。
然而，在展开或收纳柔性屏130的过程中，柔性屏130的自由端会往复运动，导致连接在自由端和本体之间的弹性件170频繁伸缩，频繁伸缩会影响弹性件170的寿命，导致弹性件170出现疲劳失效的可能性增大。若弹性件170失效，则会出现柔性屏130凹凸不平，以及柔性屏130无法收纳到位的故障，以至于产品无法正常使用。
对此，本申请在电子设备100中设置了滑轮组件150和连接件160，滑轮组件150安装在第一框架110上，连接件160的第一端与第一框架110连接，连接件160的第二端绕过滑轮组件150与弹性件170的第二端连接，弹性件170的第一端与柔性屏130的自由端连接。具体地，转轴140在通过平移展开柔性屏130时，转轴140平移的第一长度等于柔性屏130展开侧的展开长度，也等于柔性屏130收纳侧的缩短长度，连接件160绕设在滑轮组件150上且滑轮组件150能够随同第二框架120同步移动，因此连接件160的第二端可以通过转动的滑轮组件150伸出第一长度，从而使弹性件170的长度不发生改变。同理，转轴140在通过平移收纳柔性屏130时，转轴140平移的第二长度等于柔性屏130展开侧的缩短长度，也等于柔性屏130收纳侧的伸长长度，同样等于连接件160的第二端的缩短长度，因此位于收纳侧的柔性屏130的自由端与连接件160的第二端之间的距离保持不变，以使弹性件170的状态不发生改变。
由此可见，通过设置滑轮组件150，使弹性件170可以始终保持在同一状态下，避免弹性件170在柔性屏130伸缩过程中同步伸缩，从而在不影响柔性屏130展开回收功能的情况下，解决弹性件170因频繁伸缩疲劳失效，弹性件170寿命短的技术问题。进而实现优化电子 设备100结构，降低电子设备100故障率，延长电子设备100使用寿命的技术效果。
其中，电子设备100包括手机、平板电脑、电子书等终端产品，对此该实施例中不作硬性限定。
如图1所示，作为一种可能的实施方式，滑轮组件150包括：支撑部152，与第二框架120连接；滑轮154，与支撑部152转动连接，连接件160绕设于滑轮154。
在该实施例中，电子设备100中还设置有支撑部152，支撑部152与第二框架120相连接，且转轴140设置在支撑部152上，转轴140与支撑部152同步运动。
具体地，第二框架120能够相对第一框架110在第一方向上运动，该第一方向即是柔性屏130的展开方向。当第二框架120沿第一方向远离第一框架110时，支撑部152和转轴140同步远离柔性屏130的固定端，从而拉长展开侧的柔性屏130的长度，收纳侧的柔性屏130的长度缩短，以实现柔性屏130的展开。当第二框架120沿与第一方向相反的第二方向靠近第一框架110时，支撑部152和转轴140同步靠近柔性屏130的固定端，从而通过弹性件170拉长收纳侧的柔性屏130的长度，展开侧的柔性屏130的长度缩短，以实现柔性屏130的收纳。
通过设置支撑部152，一方面可以为转轴140提供稳定的支撑，确保转轴140的运动轨迹与设定轨迹吻合。另一方面支撑部152可以起到延长转轴140和驱动部之间距离的作用，从而为电子设备100内部结构布局提供便利条件。
滑轮154安装在支撑部152上，且滑轮154能够在支撑部152上转动。连接件160的第一端与第一框架110连接，连接件160的第二端绕过滑轮154，且连接件160的第二端与弹性件170的第二端相连接。因弹性件170处于张紧状态，因此被弹性件170拉拽的连接件160同样处于张紧状态。在此基础上，本体和滑轮154之间的连接件160与转轴140的运动方向即第一方向平行，且滑轮154和弹性件170的第二端之间的连接件160同样平行于第一方向。
具体地，如图1所示，柔性屏130展开过程中，驱动组件180带动支撑部152、转轴140和滑轮154向左运动，因连接件160的第一端 与本体连接，且连接件160的上下两段平行于运动方向，所以连接件160在滑轮154下侧的释放长度等于转轴140的运动长度，从而保证柔性屏130的自由端和连接件160的第二端之间的距离不发生改变，以使弹性件170的状态在伸长过程中不发生变化。同理，在柔性屏130收纳过程中，驱动组件180带动支撑部152、转轴140和滑轮154向右运动，弹性件170和滑轮154之间的连接件160的缩短距离与转轴140的向右移动距离相同，从而保证柔性屏130的自由端和连接件160的第二端的距离不发生改变，以使弹性件170的状态在收纳过程中不发生改变，进而实现了延长弹性件170和电机186的使用寿命的技术效果。
如图1所示，作为一种可能的实施方式，电子设备100还包括：驱动组件180，设于第一框架110内，与支撑部152连接，驱动组件180用于驱动支撑部152在第一方向上运动。
在该实施例中，电子设备100中还设置有驱动组件180，驱动组件180固定在第一框架110内，支撑部152与驱动组件180的驱动端连接。
具体地，驱动端能够相对第一框架110在第一方向上运动，该第一方向即是柔性屏130的展开方向。当驱动端沿第一方向远离柔性屏130的固定端时，驱动组件180带动支撑部152和转轴140同步远离柔性屏130的固定端，从而拉长展开侧的柔性屏130的长度，收纳侧的柔性屏130的长度缩短，以实现柔性屏130的展开。当驱动端沿与第一方向相反的第二方向靠近柔性屏130的固定端时，驱动组件180带动支撑部152和转轴140同步靠近柔性屏130的固定端，从而拉长收纳侧的柔性屏130的长度，展开侧的柔性屏130的长度缩短，以实现柔性屏130的收纳。
通过设置驱动组件180能够实现柔性屏130的自动化展开和自动化收纳，免去用户手动推拉转轴140的繁复操作。从而提升柔性屏130展开、收纳过程的运动精度，降低出现柔性屏130展开、收纳不到位的可能性，避免电子设备100因用户错误的推拉操作而损坏，为用户提供便利条件。
其中，实际产品中，柔性屏130的展开可通过驱动组件180所提供的动力完成，柔性屏130的收纳可通过弹性件170所提供的拉力完成。在完成柔性屏130的展开后，电机186保持在当前状态下，以支 撑展开的柔性屏130。
相关技术中，因弹簧在展开过程中被逐渐拉长，所以弹簧对驱动机构所施加的作用力逐步增大，这一逐步增大的外部作用力一方面会影响到柔性屏130的展开速度并产生较大的噪声，另一方面会影响驱动机构的寿命，并缩减设备的续航时长。
对此，本申请通过设置滑轮组件150以及绕设在滑轮组件150上的连接件160，使弹性件170的长度可以在展开过程中保持不变，从而使驱动组件180所受到的外部作用力不会因伸长长度的增加而增大，以保证驱动组件180可以驱动支撑部152平稳的伸长，降低伸长过程中的噪声。且在保持伸长状态时，电机186所受到的弹性件170作用力相对较小，有利于降低驱动组件180的损耗，延长驱动组件180的使用寿命。进而解决上述技术问题。
相关技术中，因弹簧在收纳过程中逐渐缩短，所以弹簧拉拽支撑部152的力逐渐减小，以至于柔性屏130在收纳阶段的收纳速度出现变化，即在前半段收纳过程中收纳速度较快，在后半段收纳过程中速度较慢，影响用户的使用体验。
对此，本申请通过设置滑轮组件150和连接件160，使弹性件170的长度可以在收纳过程中保持不变，从而为支撑部152提供恒定的拉力，使支撑部152可以带动转轴140匀速收纳柔性屏130，从而解决上述柔性屏130收纳速度不均的技术问题，进而提升用户的使用体验。
如图1所示，作为一种可能的实施方式，驱动组件180包括：丝杠182，与第一框架110转动连接，在第一方向上延伸；滑块184，套设于丝杠182，且与丝杠182啮合，支撑部152与滑块184连接；电机186，与丝杠182连接，用于驱动丝杠182转动，以使滑块184沿丝杠182移动。
在该实施例中，对驱动组件180的结构作出限定。具体地，驱动组件180包括丝杠182、滑块184和电机186。丝杠182转动连接在第一框架110上，且丝杠182在第一方向上延伸。滑块184套装在丝杠182上，通过丝杠182的导向作用，滑块184能够在丝杠182上沿第一方向运动，支撑部152与滑块184连接，随同滑块184同步运动。电机186与丝杠182连接，用于驱动丝杠182绕自身的轴线转动。滑块184上设置有螺孔，丝杠182穿设在螺孔中，且丝杠182和该螺孔啮合， 同时本体对滑块184的周侧面形成定位，使滑块184无法随同丝杠182转动。展开过程中，电机186驱动丝杠182沿第一旋向转动，滑块184在啮合配合下沿第一方向运动，从而带动支撑部152和转轴140展开柔性屏130。收纳过程中电机186关闭，弹性件170的弹力拉拽柔性屏130和转轴140，以对滑块184施加推力，该推力推动滑块184迫使丝杠182沿第二旋向转动，直至滑块184与第一框架110抵接，即完成柔性屏130的收纳，其中第二旋向和第一旋向相反。
丝杠182和滑块184间的螺纹传动方式具备传动精度高的优点，有利于提升柔性屏130展开、收纳精度，且丝杠182和滑块184所组成的驱动组件180的结构复杂度较低，有利于压缩电子设备100的成本，以提升产品竞争力。
如图1所示，作为一种可能的实施方式，支撑部152包括：第一段部1522，与驱动组件180连接；第二段部1524，与第一段部1522平行，滑轮154与第二段部1524转动连接。
在该实施例中，支撑部152包括第一段部1522和第二段部1524，第一段部1522和第二段部1524均固定在第二框架120上，第一段部1522的一端与驱动组件180连接，第一段部1522的另一端延伸至转轴140的展开侧，第二段部1524的一端位于转轴140的收纳侧，另一端连接滑轮154。通过设置第一段部1522和第二段部1524，可以满足滑轮154的定位需求，保证轴承和滑轮154之间留有布置柔性屏130和弹性件170的空间。
在此基础上，驱动组件180和轴承布置在第一段部1522和第二段部1524之间，从而提升了驱动组件180和支撑部152的结构紧凑度，为电子设备100的小型化设计提供便利条件。进而实现优化电子设备100内部结构布局，提升电子设备100实用性的技术效果。
如图1、图2和图3所示，作为一种可能的实施方式，第一段部1522和第二段部1524均与第一方向平行。
在该实施例中，第一段部1522和第二段部1524平行，且第一段部1522和第二段部1524均与第一方向平行，通过设置平行于第一方向的第一段部1522和第二段部1524，能够优化电子设备100的受力情况。
具体地，图2示出了随动部、支撑部152和转轴140所组成机构 的受力情况。
其中，转轴140两端均受柔性屏130的拉力F1，滑轮154两端均受连接件160的拉F3。由于弹性件170左端与柔性屏130相连，弹性件170右端与连接件160相连，得到F1＝kx(弹性件170的弹力)，且F3＝kx。即F1＝F3。由转轴140、连接件160、滑轮154三者水平方向上受力平衡可知，支撑部152给转轴140向左的作用力F1＝0。根据牛顿第三定律，转轴140给支撑部152向右的作用力F2为0。因此，驱动组件180不受外部作用力。
图3示出了本体的受力情况。
由F1＝F2可知，本体水平方向上受力平衡，F3＝0。由于转轴140、支撑部152、滑轮154三者保持相对静止，在柔性屏130展开阶段，转轴140下端柔性屏130绕过转轴140伸出的长度，恰好等于滑轮154上端连接件160绕过滑轮154滑到下端的长度。在柔性屏130收纳阶段，转轴140上端柔性屏130绕过转轴140缩回的长度，恰好等于滑轮154下端连接件160绕过滑轮154滑到上端的长度。即在柔性屏130展开与收纳过程中，弹性件170整体左右移动而弹性件170长度不发生改变，弹性件170拉力始终不变，弹性件170成为恒力拉紧弹簧。为保证屏幕恒力拉紧，在电子设备100组装时，需给弹性件170一个预定的拉力。
由此可见，该实施例所限定的结构能够使驱动组件180不受外部作用力影响，从而消除外力对驱动组件180的损耗，进而降低驱动组件180的工作噪声并延长驱动组件180的使用寿命。
如图1所示，作为一种可能的实施方式，电子设备100的支撑部152还包括：轴承座，设于第二框架120上，转轴140与轴承座转动连接；第一段部1522的第一端与轴承座连接，第一段部1522的第二端与滑块184连接；第二段部1524与轴承座连接。
在该实施例中，电子设备100上还设置有轴承座，轴承座固定在第一框架110上，且轴承座位于第一段部1522和第二段部1524之间。轴承座用于定位转轴140，转轴140能够在轴承座上转动。其中，第一段部1522在第一方向上延伸，第一段部1522的第一端与轴承座连接，第一段部1522的第二端与滑块184连接，沿丝杠182运动的滑块184通过第一段部1522推动轴承座、转轴140和第二框架120运动。第二 段部1524与轴承座连接，滑轮154设置在第二段部1524远离轴承座的一端上，以便于将柔性屏130和弹性件170布置在第二段部1524下方，将连接件160布置在第二段部1524上方。
其中，第一段部1522和第二段部1524为梳形支撑结构，第一段部1522能够在转轴140的展开侧支撑柔性屏130，以提升展开的柔性屏130的平整度，避免柔性屏130出现凹凸不平的问题。第二段部1524能够在转轴140的收纳侧支撑处于收纳状态的柔性屏130，以避免柔性屏130在电子设备100内部卷曲甚至卡死。进而实现提升柔性屏130实用性，降低柔性屏130动作故障率的技术效果。
如图1所示，作为一种可能的实施方式，电子设备100还包括：支架190，与第一框架110连接，且位于第一段部1522和第二段部1524之间，支架190包括安装腔192，驱动组件180设于安装腔192内。
在该技术方案中，电子设备100还包括支架190，支架190安装在第一框架110上，且支架190位于第一段部1522和第二段部1524之间。支架190用于定位驱动组件180，支架190内部形成有安装腔192，驱动组件180设置在安装腔192内。
具体地，支架190上设置有轴孔，丝杠182穿设在轴孔上，以使丝杠182能够相对支架190转动。滑块184的外轮廓形状与安装腔192的形状适配，以使安装腔192能够限制滑块184的转动，且安装腔192还能够配合丝杠182对滑块184起到导向作用。其中，支架190上还设置有沿第一方向延伸的避让孔，避让孔与安装槽连通，滑块184通过该避让孔连接支架190外部的第一段部1522。
通过设置支架190，一方面可以精准定位驱动组件180，以保证柔性屏130的展开收纳动作精度，避免柔性屏130因驱动组件180错位而引起展开、收纳不到位的问题。另一方面，支架190可以起到隔开柔性屏130和驱动组件180的作用，避免柔性屏130和驱动组件180发生干涉，消除柔性屏130被卷入驱动组件180内部的可能性。进而实现提升电子设备100安全性和可靠性，降低电子设备100故障率的效果。
如图1和图3所示，作为一种可能的实施方式，连接件160的第一端与支架190临近转轴140的一端连接；滑轮154与第二段部1524远离转轴140的一端转动连接。
在该实施例中，连接件160的第一端与支架190临近转轴140的一端连接，滑轮154设置在第二段部1524远离转轴140的一端即靠近支架190根部的位置上。该结构为连接件160和滑轮154提供了足够的行程，使连接件160和滑轮154组成的同步结构能够有效匹配柔性屏130的伸缩行程，确保弹性件170能够维持在恒力状态下。
如图1所示，作为一种可能的实施方式，连接件160为金属线，弹性件170为拉簧。
在该实施例中，连接件160为金属线，具体可以选择为钢丝绳。选择金属线作为连接件160一方面可以为电子设备100的轻量化设计提供便利条件，优化用户握持体验，另一方面金属线具备优良的抗拉拽性能，能够有效抵抗弹性件170的拉力，从而保证柔性屏130的动作精度。滑轮154的周侧设置有环绕滑轮154轴线的凹槽，金属线卡入滑槽，以通过滑槽定位金属线，避免金属线因振动、撞击等因素脱离滑轮154。
如图1所示，作为一种可能的实施方式，第一框架110和第二框架120围合出包括开口的腔体；柔性屏130覆盖于第一框架110和第二框架120的一侧。
在该实施例中，完成电子设备100的装配后，第一框架110和第二框架120围合出包括开口的腔体，其中第一框架110和第二框架120上的背板在与开口相对的背面遮挡电子设备100内部结构。支撑部152、柔性屏130、连接件160、弹性件170和滑轮154均设置在腔体内，且柔性屏130在开口侧覆盖第一框架110和第二框架120，以使柔性屏130暴露在开口内，以便于用户使用柔性屏130。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例 进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (10)

  1. 一种电子设备，其中，包括：
    第一框架；
    第二框架，能够相对所述第一框架移动；
    柔性屏，所述柔性屏的第一端与所述第一框架连接；
    转轴，与所述第二框架连接，所述柔性屏的第二端绕过所述转轴；
    滑轮组件，设于所述第一框架上；
    连接件，所述连接件的第一端与所述第一框架连接，所述连接件的第二端绕过所述滑轮组件；
    弹性件，所述弹性件的第一端与所述柔性屏的第二端连接，所述弹性件的第二端与所述连接件的第二端连接；
    其中，在所述第二框架相对于所述第一框架移动的过程中，所述滑轮组件随所述第二框架移动，所述连接件绕所述滑轮组件移动以使所述弹性件的长度保持不变。
  2. 根据权利要求1所述的电子设备，其中，所述滑轮组件包括：
    支撑部，与所述第二框架连接；
    滑轮，与所述支撑部转动连接，所述连接件绕设于所述滑轮。
  3. 根据权利要求2所述的电子设备，其中，还包括：
    驱动组件，设于所述第一框架内，与所述支撑部连接，所述驱动组件用于驱动所述支撑部在第一方向上运动。
  4. 根据权利要求3所述的电子设备，其中，所述驱动组件包括：
    丝杠，与所述第一框架转动连接，在所述第一方向上延伸；
    滑块，套设于所述丝杠，且与所述丝杠啮合，所述支撑部与所述滑块连接；
    电机，与所述丝杠连接，用于驱动所述丝杠转动，以使所述滑块沿所述丝杠移动。
  5. 根据权利要求4所述的电子设备，其中，所述支撑部包括：
    第一段部，与所述驱动组件连接；
    第二段部，与所述第一段部平行，所述滑轮与所述第二段部转动连接。
  6. 根据权利要求5所述的电子设备，其中，所述支撑部还包括：
    轴承座，设于所述第二框架上，所述转轴与所述轴承座转动连接；
    所述第一段部的第一端与所述轴承座连接，所述第一段部的第二端与所述滑块连接；
    所述第二段部与所述轴承座连接。
  7. 根据权利要求5所述的电子设备，其中，还包括：
    支架，与所述第一框架连接，且位于所述第一段部和所述第二段部之间，所述支架包括安装腔，所述驱动组件设于所述安装腔内。
  8. 根据权利要求7所述的电子设备，其中，
    所述连接件的第一端与所述支架临近所述转轴的一端连接；
    所述滑轮与所述第二段部远离所述转轴的一端转动连接。
  9. 根据权利要求1至8中任一项所述的电子设备，其中，所述连接件为金属线，所述弹性件为拉簧。
  10. 根据权利要求1至8中任一项所述的电子设备，其中，所述第一框架和所述第二框架围合出包括开口的腔体；
    所述柔性屏覆盖于所述第一框架和所述第二框架的一侧。
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