WO2022001833A1 - Dispositif de pliage pour écran flexible, et terminal mobile - Google Patents

Dispositif de pliage pour écran flexible, et terminal mobile Download PDF

Info

Publication number
WO2022001833A1
WO2022001833A1 PCT/CN2021/102159 CN2021102159W WO2022001833A1 WO 2022001833 A1 WO2022001833 A1 WO 2022001833A1 CN 2021102159 W CN2021102159 W CN 2021102159W WO 2022001833 A1 WO2022001833 A1 WO 2022001833A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible screen
rotating
sliding
folding device
gear
Prior art date
Application number
PCT/CN2021/102159
Other languages
English (en)
Chinese (zh)
Inventor
敬华伟
汤海舰
周虎
Original Assignee
比亚迪股份有限公司
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 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2022001833A1 publication Critical patent/WO2022001833A1/fr

Links

Images

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
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • 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
    • 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
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • 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 disclosure relates to the field of electronic equipment, and in particular, to a folding device for a flexible screen and a mobile terminal.
  • the central part of the flexible screen will be deformed with a predetermined curvature Department.
  • the housing of the electronic device needs to be properly deformed when the flexible screen is folded to the unfolded state to adapt to the change of the shape of the deformed portion of the flexible screen, otherwise the deformed portion of the flexible screen may not be able to be flattened.
  • the purpose of the present disclosure is to provide a folding device for a flexible screen and a mobile terminal, and the folding device for a flexible screen can flatten the flexible screen.
  • the present disclosure provides a folding device for a flexible screen and a mobile terminal
  • the folding device for a flexible screen includes two carriers and a rotating connection mechanism connected between the two carriers, the two carriers It is used to jointly carry the flexible screen, the two bearing members are hinged through the rotating connection mechanism, and the two bearing members are respectively slidably connected with the rotating connecting mechanism, and the rotating connecting mechanism includes a pop-up screen sliding structure, so The pop-up screen sliding structure is used for continuously exerting force when the flexible screen is unfolded by the folding device, so as to keep the two carriers away from each other.
  • the rotating connection mechanism further includes two rotating members, the two rotating members are hinged, and the two bearing members are respectively slidably connected to the two rotating members in a one-to-one correspondence, wherein
  • the bounce screen sliding structure is connected between at least one of the bearing members and the corresponding rotating member.
  • the pop-up screen sliding structure includes a sliding member and a force-applying member, a part of the sliding member is fixedly connected with the bearing member, and another part of the sliding member is slidably connected with the rotating member , the force-applying piece is arranged between the sliding piece and the rotating piece to apply force to the sliding piece, and the force that the force-applying piece applies to the sliding piece makes the space between the two sliding pieces away from each other.
  • the force-applying member is configured as a first elastic member, and two ends of the force-applying member are respectively in contact with the sliding member and the rotating member, so as to apply elasticity to the sliding member
  • the elastic force exerted by the force-applying member on the sliding member causes the two sliding members to move away from each other.
  • the pop-up screen sliding structure further includes a limiting member, the sliding member is provided with a positioning hole, and the rotating member is provided with a limiting groove corresponding to the positioning hole, so
  • the limiting slot extends along the sliding direction of the sliding piece, the limiting piece is drivingly connected with the sliding piece to slide synchronously with the sliding piece, and the limiting piece passes through the positioning hole and is inserted into the in the limit slot to slide in the limit slot.
  • one of the sliding member and the rotating member is provided with a guide block, and the other is provided with a chute, the chute is slidably sleeved on the guide block, and the An accommodating cavity is formed between the guide block and the chute, and the force applying member is arranged in the accommodating cavity.
  • the rotational connection mechanism further includes a hinge base and an auxiliary rotation assembly, the two rotating members are rotatably disposed on the hinge base, and the auxiliary rotation assembly is disposed on the hinge base and It is drive-connected with the rotating member, so as to continue to drive the rotating member to rotate after the external force for unfolding or folding the carrier is removed.
  • the rotating member is provided with a rotating shaft, and the rotating shaft is rotatably passed through the hinge seat, and the auxiliary rotating assembly includes a driving cam, a driven cam and a reset member, and the driving cam Drive connected with the rotating shaft, the driven cam is movably arranged on the hinge seat and drive with the driving cam, the reset piece is connected with the driven cam, and the auxiliary rotating assembly has a first The motion state and the second motion state, in the first motion state, under the action of external force, the driving cam rotates and drives the driven cam to move and makes the reset piece store energy; in the second motion state, all The reset element resets and drives the driven cam, and drives the driving cam to continue to rotate in the same direction through the driven cam.
  • the driven cam is slidably disposed on the hinge seat, the reset member is configured as a second elastic member, and two ends of the reset member are respectively connected to the hinge seat and the hinge seat.
  • the driven cam abuts, and the reset member is compressed in the first motion state.
  • the rotating connection mechanism includes two sets of the auxiliary rotating components, and the two sets of the auxiliary rotating components are in one-to-one correspondence with the two rotating members, and the driving cam further has a limit surface, When the flexible screen is unfolded by the folding device, the limiting surfaces on the two active cams abut against each other.
  • the rotational connection mechanism further includes two sliding support plates, the sliding support plates extending along the direction of the rotation axis of the carrier, wherein one of the sliding support plates is arranged on one of the sliding support plates.
  • the other sliding support plate is arranged between the other carrier and the corresponding hinge seat, and the sliding support plate is hinged to the hinge seat and It is slidably connected with the corresponding carrier, so that when the flexible screen is unfolded by the folding device, the two sliding support plates, the upper surfaces of the two carriers and the upper surface of the hinge seat are located on the same plane to jointly support the flexible screen.
  • the sliding support plate is provided with a hinge portion and a guide portion
  • the hinge portion is provided on a side of the sliding support plate close to the hinge seat
  • the hinge portion is connected to the hinge seat.
  • Hinged a guide chute is provided on the side of the carrier close to the hinge seat, the guide part is matched with the guide chute, the guide chute is roughly Z-shaped, and the flexible screen is folded
  • the two guide parts slide relative to the carrier along the guide chute toward the direction away from the flexible screen, so as to be enclosed together with the upper surface of the hinge seat for accommodating the flexible screen. screen space.
  • the rotational connection mechanism further includes a synchronous transmission assembly, which is drivingly connected between the two rotating shafts, so as to make the two rotating members rotate synchronously.
  • the synchronous transmission assembly is configured as a gear set.
  • the gear set includes a first gear, a second gear, a third gear and a fourth gear, and the first gear and the second gear are respectively driven in a one-to-one correspondence with the two rotating shafts connected, the first gear, the third gear, the fourth gear and the second gear are sequentially meshed for transmission, and the third gear and the fourth gear are arranged on the first gear and the second gear away from the
  • the first gear includes a first circumferential surface portion and a first tooth portion that meshes with the third gear, the first circumferential surface portion is not provided with teeth and is provided close to the flexible screen
  • the second gear includes a second circumferential surface portion and a second tooth portion meshed with the fourth gear. The second circumferential surface portion is not provided with teeth and is provided close to the flexible screen.
  • the folding device for a flexible screen further includes an intermediate casing, the intermediate casing is connected between the two carriers, so as to block the rotational connection mechanism when folded, and The flexible screen is carried when unfolded.
  • a mobile terminal includes a flexible screen and the above-mentioned folding device for a flexible screen, wherein the flexible screen is fixedly connected to the two carriers respectively.
  • the two carriers can always have a force away from each other, so that the The flexible screen on each carrier can be tightened, and even under the action of external force, the flexible screen is not easily bent, and the flexible screen can be more closely attached to the carrier, so that the carrier can be more sensitive to the flexible screen.
  • the support is more stable, and the flatness of the flexible screen is higher.
  • the deformed part in the middle of the flexible screen can be unfolded and tightened under the action of the pop-up screen sliding structure, so that the flexible screen is always kept in a smooth state, avoiding the need for flexibility.
  • the extrusion or pulling of the screen can effectively reduce the possible damage to the flexible screen during the unfolding and folding process, and improve the service life of the flexible screen.
  • FIG. 1 is a schematic three-dimensional structural diagram of a mobile terminal in an unfolded state according to an embodiment of the present disclosure
  • FIG. 2 is a schematic three-dimensional structural diagram of a mobile terminal in a folded state according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural exploded view of a mobile terminal in an unfolded state according to an embodiment of the present disclosure
  • FIG. 4 is a partial structural schematic diagram of a folding device for a flexible screen in an unfolded state according to an embodiment of the present disclosure
  • FIG. 5 is a partial structural schematic diagram of a folding device for a flexible screen in an unfolded state according to an embodiment of the present disclosure, and a sliding support plate is installed on the basis of FIG. 4 ;
  • FIG. 6 is a partial structural schematic diagram of a folding device for a flexible screen in an unfolded state according to an embodiment of the present disclosure, and a cover plate is installed on the carrier on the basis of FIG. 5 ;
  • FIG. 7 is a schematic structural diagram of a rotating connection mechanism of a folding device for a flexible screen in an unfolded state according to an embodiment of the present disclosure
  • FIG. 8 is an exploded schematic view of the structure of a rotating connection mechanism of a folding device for a flexible screen in an unfolded state according to an embodiment of the present disclosure
  • FIG. 9 is a schematic front view of a rotating connection mechanism of a folding device for a flexible screen in an unfolded state according to an embodiment of the present disclosure
  • Figure 10 is a schematic cross-sectional view along line A-A in Figure 9;
  • Figure 11 is a schematic cross-sectional view along line B-B in Figure 10;
  • FIG. 12 is a schematic three-dimensional structural diagram of a hinge seat of a folding device for a flexible screen according to an embodiment of the present disclosure
  • FIG. 13 is a schematic three-dimensional structural diagram of a rotating member of a folding device for a flexible screen according to an embodiment of the present disclosure
  • FIG. 14 is a schematic three-dimensional structural diagram of an active cam of a folding device for a flexible screen according to an embodiment of the present disclosure
  • 15 is a schematic three-dimensional structural diagram of a driven cam of a folding device for a flexible screen according to an embodiment of the present disclosure
  • 16 is an exploded schematic diagram of a partial structure of a rotating connection mechanism of a folding device for a flexible screen according to an embodiment of the present disclosure
  • 17 is a partial structural schematic diagram of a carrier of a folding device for a flexible screen according to an embodiment of the present disclosure, wherein the cover of the carrier is disassembled;
  • Figure 18 is a schematic cross-sectional view along line C-C in Figure 1;
  • FIG. 19 is a schematic cross-sectional view taken along the line D-D in FIG. 2 .
  • Orientation words such as “up and down” generally refer to the fact that when the folding device 100 for a flexible screen is in an unfolded state, the side for installing the flexible screen 201 is up, and the side away from the installation side of the flexible screen 201 is down, Specifically, referring to the drawing direction shown in FIG. 10 , “inside and outside” refers to the inside and outside of the contour of the relevant component. The thickness refers to the dimension perpendicular to the height direction of the flexible screen 201 when the folding device 100 for a flexible screen is applied to the mobile terminal 200 .
  • the terms "first”, “second” and the like used in the embodiments of the present disclosure are used to distinguish one element from another element, and have no order and importance.
  • a folding device 100 for a flexible screen includes two carriers 10 and a rotational connection mechanism 20 connected between the two carriers 10 .
  • the two bearing members 10 are used to jointly carry the flexible screen 201
  • the two bearing members 10 are hingedly connected by the rotating connection mechanism 20 and the two bearing members 10 are respectively slidably connected with the rotating connecting mechanism 20
  • the rotating connecting mechanism 20 includes a pop-up screen sliding structure 60 .
  • the pop-up screen sliding structure 60 is used for continuously exerting force to keep the two carriers 10 away from each other when the folding device 100 for a flexible screen is unfolded.
  • the pop-up screen sliding structure 60 since the pop-up screen sliding structure 60 is provided, when the flexible screen folding device 100 is unfolded, under the action of the pop-screen sliding structure 60, the two carriers 10 can always have a force away from each other. Therefore, the flexible screen 201 located on the two carriers 10 can be stretched. Even under the action of external force, the flexible screen 201 is not easily bent, and the flexible screen 201 can be more closely attached to the carrier 10. above, the support of the flexible screen 201 by the carrier 10 is more stable, and the flatness of the flexible screen 201 is higher.
  • the deformation part 2011 in the middle of the flexible screen 201 can be unfolded and stretched under the action of the pop-up screen sliding structure 60, so that the flexible screen 201 can always be kept in a smooth state , avoids squeezing or pulling the flexible screen 201 , thereby effectively reducing possible damage to the flexible screen 201 during unfolding and folding, and improving the service life of the flexible screen 201 .
  • the folding device 100 for a flexible screen is applied to the mobile terminal 200 as an example for illustration, and when the mobile terminal 200 is in a folded state
  • the flexible screen 201 covers the inner surfaces of the first carrier 10 and the second carrier 10, and is described as an example. It can be understood that, the above-mentioned folding device 100 for a flexible screen having the pop-up screen sliding structure 60 can also be applied to the mobile terminal 200 with the flexible screen 201 located on the outside when folded.
  • the rotating connection mechanism 20 further includes two rotating members 40 , the two rotating members 40 are hinged, and the two bearing members 10 are respectively connected with the two rotating members 40 .
  • the parts 40 are slidably connected in one-to-one correspondence, wherein at least one of the bearing parts 10 and the corresponding rotating part 40 is connected with a pop-up screen sliding structure 60 .
  • the rotating connection mechanism 20 includes two screen pop-up sliding structures 60 , and the above-mentioned pop-up screen sliding structures 60 are disposed between the two bearing members 10 and their corresponding rotating members 40 .
  • the two pop-up screen sliding structures 60 act on the corresponding bearing members 10 respectively, so that the two bearing members 10 are subjected to a force that moves away from each other and have a tendency to move away from each other.
  • the pop-up screen sliding structure 60 applies force to the carrier 10 , and can be set as required.
  • the pop-up screen sliding structure 60 includes a sliding member 61 and a force-applying member 62 .
  • a part of the sliding member 61 is fixedly connected to the bearing member 10 , and the sliding member 61 The other part is slidably connected with the rotating member 40, the force applying member 62 is arranged between the sliding member 61 and the rotating member 40 to apply force to the sliding member 61, and the force exerted by the force applying member 62 to the sliding member 61 makes the two sliding The pieces 61 are far away from each other.
  • the force-applying member 62 exerts a force on the sliding member 61, so that the two sliding members 61 have a force that moves away from each other, so that the bearing members 10 fixedly connected to the sliding member 61 tend to move away from each other, so that the fixed The flexible screen 201 on the carrier 10 is stretched.
  • the force applying member 62 is configured as a first elastic member, and both ends of the force applying member 62 are in contact with the sliding member 61 and the rotating member 40 respectively, so as to An elastic force is applied to one of the sliders 61 away from the other slider 61 .
  • the force-applying member 62 may be a compression spring, or a common spring, an elastic sheet or other elastic mechanisms.
  • the urging member 62 is compressively provided between the sliding member 61 and the rotating member 40 .
  • the force-applying member 62 may be a linear power source such as a micro linear motor, and the linear power source is activated to continuously apply a force to the carrier 10 .
  • the pop-up screen sliding structure 60 further includes a limiting member 64 .
  • 61 is provided with a positioning hole 613
  • the rotating member 40 is provided with a limit slot 42 corresponding to the positioning hole 613
  • the limit slot 42 extends along the sliding direction of the sliding member 61
  • the limit member 64 is connected with the sliding member 61 to drive Synchronously sliding with the sliding member 61
  • the limiting member 64 passes through the positioning hole 613 and is inserted into the limiting groove 42 to slide in the limiting groove 42 .
  • the limiting member 64 may be inserted into the hole of the sliding member 61 by riveting, so that the limiting member 62 is fixedly connected with the sliding member 61 .
  • the carrier 10 drives the sliding member 61 to slide relative to the rotating member 40. Since the limiting member 64 is connected to the sliding member 61 in a driving manner, the sliding member 61 drives the limiting member 64 in the limiting groove. 42, when the limiting member 64 abuts against the side wall of the limiting groove 42, the limiting member 64 cannot continue to slide relative to the rotating member 40, so that the sliding member 61 cannot continue to slide relative to the rotating member 40, so that the The maximum displacement of the bearing member 10 relative to the rotating member 40 is limited, so that the flexible screen 201 can be prevented from being damaged due to excessive pulling on the flexible screen 201 due to excessive sliding of the bearing member 10 .
  • one of the sliding member 61 and the rotating member 40 is provided with a guide block 41 , and the other is provided with a guide block 41 .
  • a sliding slot 611 is provided, the sliding slot 611 is slidably sleeved on the guide block 41 , a accommodating cavity 612 is formed between the guiding block 41 and the sliding slot 611 , and the force applying member 62 is arranged in the accommodating cavity 612 .
  • the bearing member 10 is made more stable when sliding, and is not easily skewed, and does not cause unnecessary pulling on the flexible screen 201 . Moreover, disposing the force-applying member 62 in the accommodating cavity 612 can fully utilize the space between the guide block 41 and the chute 611 , making the overall structure more compact.
  • the rotating member 40 is provided with a strip-shaped guide block 41, and the bottom of the sliding member 61 is provided with two oppositely arranged U-shaped chute 611, through which the U-shaped chute 611 is sleeved on the guide on block 41.
  • the side wall of the chute 611 may be made of a material with better self-lubrication, such as POM (polyoxymethylene), nylon material. As a result, sliding friction and noise can be reduced, and metal powder that may be generated during sliding can be reduced.
  • an installation groove is formed on the guide block 41 , and the sliding member 61 covers the installation groove to form the receiving cavity 612 when the sliding member 61 is sleeved on the guide block 41 .
  • a first mounting post is provided on the side wall of the mounting groove of the guide block 41 along the sliding direction, and a second mounting post is provided on the sliding member 61 .
  • the force applying member 62 is a spring, and both ends of the spring are sleeved on the first installation post and the second installation post, so that the force application member 62 can be limited by the first installation post and the second installation post.
  • the rotating connection mechanism 20 further includes a hinge base 30 and an auxiliary rotating assembly 80 , and the two rotating members 40 are rotatably arranged on the hinge
  • the base 30, the auxiliary rotating assembly 80 is disposed on the hinge base 30 and is drivingly connected with the rotating member 40, so as to continue to drive the rotating member 40 to rotate after the external force for unfolding or folding the carrier 10 is removed.
  • the auxiliary rotating assembly 80 can continue to apply force to the rotating member 40 , so that the carrier 10 can continue to unfold or fold until the carrier 10 is unfolded or folded. Fully unfolded or fully folded, therefore, the user experience of the folding device 100 for a flexible screen can be better.
  • the rotating member 40 is provided with a rotating shaft 43 , and the rotating shaft 43 is rotatably passed through it. on the hinged seat 30 .
  • the auxiliary rotating assembly 80 includes a driving cam 81 , a driven cam 82 and a reset member 83 .
  • the driving cam 81 is drivingly connected with the rotating shaft 43
  • the driven cam 82 is movably arranged on the hinge base 30 and is drivingly matched with the driving cam 81 .
  • the reset member 83 is connected with the driven cam 82
  • the auxiliary rotating assembly 80 includes a first movement state and a second movement state.
  • the active cam 81 rotates under the action of external force and drives the driven cam 82 to move and the reset member 83 stores energy.
  • the reset member 83 is reset, the driven cam 82 is driven and the driven cam 82 drives the driving cam 81 to continue to rotate in the same direction.
  • the auxiliary rotating assembly 80 When the user needs to fold or unfold the flexible screen 201, under the action of the user's external force, the auxiliary rotating assembly 80 is in the first motion state, the bearing member 10 drives the rotating member 40 to rotate, and drives the active cam 81 to rotate through the rotating shaft 43.
  • the cam transmission between 81 and the driven cam 82 makes the driven cam 82 move, and when the driven cam 82 moves, the reset member 83 is urged to store energy.
  • the reset member 83 releases energy and drives the driven cam 82 , and the driven cam 82 moves and passes through the cam between the driven cam 81 and the driving cam 81 .
  • the transmission drives the driving cam 81 to rotate, so that the driving cam 81 continues to rotate in the same direction, so that the carrier 10 can continue to rotate or unfold.
  • the auxiliary rotating component 80 By setting the auxiliary rotating component 80, the user can be assisted to fold or unfold the flexible screen 201, which makes the user more convenient to use, and when the user rotates the carrier 10 to make the reset element 83 store energy, the user also has a certain hand feeling when rotating, and the user experience better.
  • the auxiliary rotating assembly 80 may include a motor, a controller, a sensor, and the like.
  • the output shaft of the motor is in driving connection with the rotating member 40 to drive the rotating member 40 to rotate.
  • the controller obtains the signal of folding and opening of the folding device 100 for the flexible screen through the sensor, and starts the motor to rotate forward or reverse according to the signal, so that the rotating member 40 can drive the carrier 10 to continue to rotate until the folding device 100 for the flexible screen continues to rotate. open or folded.
  • the driven cam 82 is slidably disposed on the hinge seat 30, the reset member 83 is configured as a second elastic member, and both ends of the reset member 83 are respectively in contact with the hinge seat 30 and the driven cam 82, In the first movement state the reset element 83 is compressed.
  • the reset member 83 may be a compression spring, or may be a common spring, an elastic sheet or other elastic mechanisms.
  • the driven cam 82 moves.
  • the driven cam 82 is rotatably disposed on the hinge seat
  • the reset member 83 is a torsion spring, and when the driven cam 82 rotates, it drives the torsion spring Turn energy storage.
  • the auxiliary rotating assembly 80 When the user needs to fold or unfold the flexible screen 201, under the action of the user's external force, the auxiliary rotating assembly 80 is in the first motion state, the bearing member 10 drives the rotating member 40 to rotate, and drives the active cam 81 to rotate through the rotating shaft 43.
  • the cam transmission between the driven cam 81 and the driven cam 82 makes the driven cam 82 slide away from the driving cam 81 , and in the process, the reset member 83 is compressed, and the reset member 83 is urged to store energy.
  • the reset member 83 releases the elastic potential energy and pushes the driven cam 82 , and the driven cam 82 slides toward the driving cam 81 and passes through the contact with the driving cam
  • the cam drive between 81 drives the driving cam 81 to rotate.
  • the driven cam 82 includes a cam engaging portion and a sliding abutting portion.
  • the sliding abutting portion is substantially block-shaped and slidably penetrates through a through hole on the hinge base.
  • the cam engaging portion is used for engaging with the active cam 81
  • the cam engaging portion is fixedly connected to one end of the sliding abutting portion
  • the other end of the sliding abutting portion abuts against the reset member 83 .
  • the reset piece 83 abuts between the sliding pressing portion and the hinge seat 30 .
  • the driving cam 81 has a first surface 812 , a second surface 813 , and a first transition surface 814 between the first surface 812 and the second surface 813 .
  • the driven cam 82 has a third surface 821 , a fourth surface 822 and a second transition surface 823 located between the third surface 821 and the fourth surface 822 .
  • the reset element 83 releases the elastic potential energy, and the driven cam 82 pushes the driving cam 81 to continue to rotate.
  • the first transition surface 814 and the second transition surface 823 are in contact. The external force needs to rotate the carrier 10 and lasts at least until the first transition surface 814 and the first transition surface 814 cooperate, so that the second surface 813 can cooperate with the fourth surface 822 and the carrier 10 can continue to rotate.
  • the rotating connection mechanism 20 includes two sets of auxiliary rotating assemblies 80 , and the two sets of auxiliary rotating assemblies 80 are in one-to-one correspondence with the two rotating members 40 .
  • the driving cam 81 also has a limit surface 811. As shown in FIG.
  • a set of auxiliary rotating components 80 may be provided, and one of the bearing members 10 is driven to rotate by the auxiliary rotating components 80, so that the bearing member 10 can rotate relative to the other bearing member 10, and still be able to rotate.
  • the flexible screen 201 can be unfolded or folded semi-automatically.
  • FIG. It extends in the direction of the axis of rotation of the carrier 10 .
  • One of the sliding support plates 50 is arranged between one of the bearing members 10 and the corresponding hinge seat 30
  • the other sliding support plate 50 is arranged between the other bearing member 10 and the corresponding hinge seat 30 , thereby connecting the bearing member 10 to the corresponding hinge seat 30 .
  • the gaps between the hinge seats 30 are filled.
  • the sliding support plate 50 is hinged with the hinge base 30 and is slidably connected with the corresponding carrier 10 , so that when the flexible screen folding device 100 is unfolded, the two sliding support plates 50 , the upper surfaces of the two carriers 10 and the hinge base 30 .
  • the upper surfaces are on the same plane to jointly support the flexible screen 201 , refer to FIGS. 5-6 and 18 .
  • the "upper surface” refers to the surface close to and facing the side of the flexible screen 201 .
  • the carrier 10 drives the sliding support plate 50 to move, so that the two sliding support plates 50 are unfolded.
  • the upper surfaces are all on the same plane, so as to jointly support the flexible screen 201 in the unfolded state, so that the support area for the flexible screen 201 is larger, and the flexible screen 201 is not prone to dent damage.
  • the sliding support plate 50 is provided with a hinge portion 51 and a guide portion 52 , and the hinge portion 51 is provided on the side of the sliding support plate 50 close to the hinge seat 30 .
  • the seat 30 is hinged.
  • a guide chute 11 is provided on the side of the bearing member 10 close to the hinge seat 30 , the guide portion 52 is matched with the guide chute 11 , and the guide chute 11 is roughly Z-shaped.
  • the shape of the guide chute 11 is similar to a zigzag structure, not necessarily a standard zigzag structure, for example, a structure similar to a zigzag structure formed by splicing arc-shaped groove segments.
  • the hinge portion 51 rotates relative to the hinge base 30, and the two guide portions 52 are relative to the carrier 10 along the guide chute 11 toward the direction away from the flexible screen 201 Sliding, the lowering of the sliding support plate 50 makes room for the deformation portion 2011 of the flexible screen 201, so that the two sliding support plates 50 and the upper surface of the hinge base 30 together form an accommodation space for accommodating the flexible screen 201 53.
  • the accommodating space 53 can just accommodate the deformation part 2011 in the middle of the flexible screen 201. Therefore, the sliding support plate 50 can not only support the flexible screen 201 when unfolding, but also accommodate the flexible screen 201 when folded. Deformation part 2011 of screen 201.
  • the sliding support plate 50 itself only rotates relative to the hinge base 30 . Since the carrier 10 rotates and slides relative to the hinge base 30 , the sliding support plate 50 rotates and slides relative to the carrier 10 .
  • each rotating member 40 is provided with a rotating shaft 43
  • the rotating connecting mechanism 20 further includes a synchronous transmission assembly 70
  • the synchronous transmission assembly 70 is driven and connected between the two rotating shafts 43 to make the two rotating members 40 rotate synchronously, thereby driving the two bearing members 10 to rotate synchronously.
  • the synchronous transmission assembly 70 is configured as a gear set.
  • the gear set includes a first gear 71 , a second gear 72 , a third gear 73 and a fourth gear 74 .
  • the first gear 71 and the second gear 72 are respectively connected with the two rotating shafts 43 in a one-to-one correspondence.
  • the fourth gear 74 is disposed on the side of the first gear 71 and the second gear 72 facing away from the flexible screen 201 .
  • the first gear 71 includes a first circumferential surface portion and a first tooth portion that meshes with the third gear 73 .
  • the first circumferential surface portion The second gear 72 includes a second circumferential surface portion and a second teeth portion meshed with the fourth gear 74 , and the second circumferential surface portion is not provided with teeth and is provided close to the flexible screen 201 .
  • the first gear 71 and the second gear 72 may not be provided with teeth on part of the circumference, so that the first gear 71 and the second gear 72 are not provided with teeth.
  • the rotation center of the second gear 72 is closer to the flexible screen 201, so that the rotating shaft 43 on the rotating member 40 (ie, the rotation axis of the carrier 10) can be closer to the flexible screen 201, so that the flexible screen 201 can be deformed when it is opened and folded.
  • the size of the portion 2011 (the size perpendicular to the axial direction of rotation) is smaller, so that the deformed portion 2011 of the flexible screen 201 can be accommodated in the accommodating space 53 when folded.
  • the carrier 10 when the flexible screen 201 is unfolded and folded, the carrier 10 The distance that needs to be swiped is smaller.
  • the carrier 10 does not need to slide when the flexible screen 201 is opened and folded.
  • teeth since teeth are not provided on part of the circumference of the first gear 71 and the second gear 72, the size of the first gear 71 and the second gear 72 in the thickness direction can be reduced, so that the synchronous transmission assembly 70 can be reduced in the thickness direction.
  • the occupied space is smaller, and the mobile terminal 200 having the folding device 100 for a flexible screen can be designed to be thinner.
  • the rotating member 40 is provided with a rotating shaft 43 and a guide block 41 .
  • the cross section of the rotating shaft 43 is non-circular
  • the gear and the driving cam 81 are provided with a non-circular hole that is matched with the rotating shaft 43, the rotating shaft 43 passes through the gear and the driving cam 81, so the rotating shaft 43 will drive the gear and the driving cam 81 when rotating. turn.
  • the rotating shafts 43 of the third gear 73 and the fourth gear 74 pass through the through holes on the hinge base.
  • a rotating shaft hole 34 is formed on the hinge base, and the rotating shaft 43 on the rotating member 40 passes through the rotating shaft hole 34 .
  • a cam mounting hole 35 is also opened on the hinge base, and the driven cam 82 is slidably penetrated through the cam mounting hole 35 .
  • Both ends of the cam mounting hole 35 on the hinge base are further provided with a driving cam mounting groove for mounting the driving cam 81 and an elastic piece mounting groove 36 for mounting the reset piece 83 .
  • the active cam mounting groove and the elastic piece mounting groove 36 communicate with each other through the cam mounting hole 35 .
  • the synchronous transmission assembly 70 and the auxiliary rotation assembly 80 are accommodated by arranging each installation slot on the hinge base, which can not only provide support for each component, but also make full use of the space between the two bearing members 10, making the overall structure more compact, with It contributes to the miniaturized design of the mobile terminal 200 .
  • an upper cover 33 is also covered on the hinge base, and the upper cover 33 is used to close the various installation slots opened on the hinge base.
  • the hinge base is The upper cover 33 and the upper surface of the carrier 10 are located on the same plane, so as to jointly support the flexible screen 201 in the unfolded state.
  • the carrier 10 includes a carrier body and a cover plate 12 , and the carrier body is used for accommodating and connecting the rotational connection mechanism 20 .
  • the cover plate 12 is covered on the body of the carrier 10 , and is used to close the body of the carrier 10 . As shown in FIG. 6 , when unfolded, the upper cover 33 of the hinge base and the cover plate 12 are located on the same plane, so as to jointly support the flexible screen 201 in the unfolded state.
  • the folding device 100 for a flexible screen further includes an intermediate casing 31 , which is connected to the two between the carriers 10 to shield the rotating connection mechanism 20 when folded, and to carry the flexible screen 201 when unfolded.
  • the flexible screen folding device 100 includes two sets of rotary connection mechanisms 20 , and the two sets of rotary connection mechanisms 20 are arranged at both ends of the carrier 10 at intervals along the axis direction of the rotary shaft 43 . . In this way, the flexible screen 201 can be simultaneously folded or unfolded on both sides of the rotation axis through the two sets of rotating connection mechanisms 20 .
  • the hinge seat can be accommodated in the intermediate housing 31 .
  • the middle casing 31 is provided with a middle support plate 32 , and the middle support plate 32 is covered with the cavity of the middle casing 31 .
  • the middle support plate 32 extends along the direction of the rotation axis, and the middle support plate 32 is arranged between the two sliding support plates 50 and between the hinge seats on both sides.
  • FIG. 6 when unfolded, the upper cover 33 of the hinge base, the cover plate 12 and the middle support plate 32 are located on the same plane, so as to jointly support the flexible screen 201 in the unfolded state.
  • a mobile terminal 200 is also provided.
  • the mobile terminal 200 includes a flexible screen 201 and the above-mentioned folding device 100 for a flexible screen.
  • the flexible screen 201 is fixedly connected to the two carriers 10 respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Set Structure (AREA)

Abstract

La présente invention concerne un dispositif de pliage pour un écran flexible, et un terminal mobile. Le dispositif de pliage pour un écran flexible comprend deux éléments de support (10) et un mécanisme de connexion rotatif (20) connecté entre les deux éléments de support (10) ; les deux éléments de support (10) sont utilisés pour supporter conjointement un écran flexible (201) ; les deux éléments de support (10) sont articulés l'un à l'autre au moyen du mécanisme de connexion rotatif (20) et les deux éléments de support (10) sont connectés de manière coulissante au mécanisme de connexion rotatif (20), séparément ; le mécanisme de connexion rotatif (20) comprend une structure coulissante de dépliage d'écran (60) ; la structure coulissante de dépliage d'écran (60) est utilisée pour appliquer en continu une force lorsque l'écran flexible est déplié en utilisant le dispositif de pliage, de sorte que les deux éléments de support (10) restent éloignés l'un de l'autre.
PCT/CN2021/102159 2020-06-29 2021-06-24 Dispositif de pliage pour écran flexible, et terminal mobile WO2022001833A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010611531.X 2020-06-29
CN202010611531.XA CN113938542B (zh) 2020-06-29 2020-06-29 柔性屏用折叠装置及移动终端

Publications (1)

Publication Number Publication Date
WO2022001833A1 true WO2022001833A1 (fr) 2022-01-06

Family

ID=79272836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/102159 WO2022001833A1 (fr) 2020-06-29 2021-06-24 Dispositif de pliage pour écran flexible, et terminal mobile

Country Status (2)

Country Link
CN (1) CN113938542B (fr)
WO (1) WO2022001833A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114909390A (zh) * 2022-05-13 2022-08-16 昆山国显光电有限公司 连接机构及显示装置
CN115132078A (zh) * 2022-06-08 2022-09-30 维沃移动通信有限公司 柔性屏设备
CN115578933A (zh) * 2022-10-27 2023-01-06 武汉天马微电子有限公司 柔性显示装置及电子设备
CN116658514A (zh) * 2022-12-09 2023-08-29 荣耀终端有限公司 铰链结构及终端设备
WO2023184168A1 (fr) * 2022-03-29 2023-10-05 京东方科技集团股份有限公司 Mécanisme d'arbre rotatif et dispositif d'affichage flexible pliable
CN117145856A (zh) * 2023-01-05 2023-12-01 荣耀终端有限公司 转轴机构及可折叠电子设备
WO2024016800A1 (fr) * 2022-07-22 2024-01-25 武汉华星光电半导体显示技术有限公司 Dispositif charnière et dispositif d'affichage flexible
CN117780778A (zh) * 2024-02-23 2024-03-29 深圳传音控股股份有限公司 折叠组件、铰链装置及智能终端
WO2024109313A1 (fr) * 2022-11-22 2024-05-30 Oppo广东移动通信有限公司 Dispositif électronique et ensemble à ajustement par pression associé

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN216691845U (zh) * 2022-01-19 2022-06-07 惠州Tcl移动通信有限公司 转轴结构及电子设备
CN116069130B (zh) * 2023-04-06 2023-09-08 荣耀终端有限公司 张紧结构、转轴机构及电子设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105549690A (zh) * 2015-12-29 2016-05-04 广东欧珀移动通信有限公司 一种折叠式移动终端
CN207601679U (zh) * 2017-11-28 2018-07-10 深圳市柔宇科技有限公司 折叠机构及电子装置
CN208353382U (zh) * 2018-06-14 2019-01-08 杭州安费诺飞凤通信部品有限公司 柔性屏移动终端铰链及柔性屏移动终端
CN209822179U (zh) * 2019-05-07 2019-12-20 珠海格力电器股份有限公司 一种折叠屏组件及移动设备
CN110714977A (zh) * 2018-07-13 2020-01-21 Oppo广东移动通信有限公司 折叠装置及电子设备
CN110767091A (zh) * 2019-10-31 2020-02-07 云谷（固安）科技有限公司 折叠显示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105491193B (zh) * 2015-12-29 2018-03-27 广东欧珀移动通信有限公司 一种具有柔性屏的可折叠终端
CN112074892A (zh) * 2018-03-12 2020-12-11 深圳市柔宇科技股份有限公司 弯折机构与柔性显示装置
CN110442196A (zh) * 2019-07-30 2019-11-12 华为技术有限公司 转动机构、折叠显示终端

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105549690A (zh) * 2015-12-29 2016-05-04 广东欧珀移动通信有限公司 一种折叠式移动终端
CN207601679U (zh) * 2017-11-28 2018-07-10 深圳市柔宇科技有限公司 折叠机构及电子装置
CN208353382U (zh) * 2018-06-14 2019-01-08 杭州安费诺飞凤通信部品有限公司 柔性屏移动终端铰链及柔性屏移动终端
CN110714977A (zh) * 2018-07-13 2020-01-21 Oppo广东移动通信有限公司 折叠装置及电子设备
CN209822179U (zh) * 2019-05-07 2019-12-20 珠海格力电器股份有限公司 一种折叠屏组件及移动设备
CN110767091A (zh) * 2019-10-31 2020-02-07 云谷（固安）科技有限公司 折叠显示装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023184168A1 (fr) * 2022-03-29 2023-10-05 京东方科技集团股份有限公司 Mécanisme d'arbre rotatif et dispositif d'affichage flexible pliable
CN114909390A (zh) * 2022-05-13 2022-08-16 昆山国显光电有限公司 连接机构及显示装置
CN115132078A (zh) * 2022-06-08 2022-09-30 维沃移动通信有限公司 柔性屏设备
CN115132078B (zh) * 2022-06-08 2023-10-10 维沃移动通信有限公司 柔性屏设备
WO2024016800A1 (fr) * 2022-07-22 2024-01-25 武汉华星光电半导体显示技术有限公司 Dispositif charnière et dispositif d'affichage flexible
CN115578933A (zh) * 2022-10-27 2023-01-06 武汉天马微电子有限公司 柔性显示装置及电子设备
WO2024109313A1 (fr) * 2022-11-22 2024-05-30 Oppo广东移动通信有限公司 Dispositif électronique et ensemble à ajustement par pression associé
CN116658514A (zh) * 2022-12-09 2023-08-29 荣耀终端有限公司 铰链结构及终端设备
CN117145856A (zh) * 2023-01-05 2023-12-01 荣耀终端有限公司 转轴机构及可折叠电子设备
CN117780778A (zh) * 2024-02-23 2024-03-29 深圳传音控股股份有限公司 折叠组件、铰链装置及智能终端

Also Published As

Publication number Publication date
CN113938542B (zh) 2022-10-18
CN113938542A (zh) 2022-01-14

Similar Documents

Publication Publication Date Title
WO2022001833A1 (fr) Dispositif de pliage pour écran flexible, et terminal mobile
EP4080491A1 (fr) Écran pliable et terminal d'affichage pliable
CN110138916B (zh) 一种旋转装置以及移动终端
WO2021259340A1 (fr) Appareil de pliage et dispositif électronique
WO2021007914A1 (fr) Dispositif pliable
WO2021115427A1 (fr) Dispositif électronique
CN112333308B (zh) 折叠装置、折叠机壳及移动终端
WO2022171050A1 (fr) Mécanisme de pliage et dispositif électronique
JP2004194267A (ja) カメラ付き携帯電話のヒンジ装置及びそのヒンジ装置を有する携帯電話
JP2011166742A (ja) スライド式電子装置
WO2021115431A1 (fr) Appareil électronique
WO2021115428A1 (fr) Dispositif électronique
CN113643609B (zh) 显示装置
WO2022199493A1 (fr) Mécanisme d'arbre rotatif et dispositif terminal
WO2022068390A1 (fr) Terminal mobile et boîtier pliant associé
JP4025689B2 (ja) 携帯電話のヒンジ装置
CN113643610B (zh) 显示装置
WO2021218306A1 (fr) Ensemble de coques et dispositif électronique
CN116016735A (zh) 电子设备
CN115376415B (zh) 电子装置
CN114546037A (zh) 一种电子设备
CN114546035A (zh) 一种电子设备
WO2023109309A1 (fr) Ensemble couple, kit d'arbre rotatif et dispositif électronique
WO2024001103A1 (fr) Appareil à arbre rotatif, boîtier pliable et dispositif électronique
WO2024139437A1 (fr) Mécanisme d'arbre rotatif et dispositif électronique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21832983

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21832983

Country of ref document: EP

Kind code of ref document: A1