WO2024109284A1 - 转轴装置、折叠壳体及电子设备 - Google Patents

转轴装置、折叠壳体及电子设备 Download PDF

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Publication number
WO2024109284A1
WO2024109284A1 PCT/CN2023/118866 CN2023118866W WO2024109284A1 WO 2024109284 A1 WO2024109284 A1 WO 2024109284A1 CN 2023118866 W CN2023118866 W CN 2023118866W WO 2024109284 A1 WO2024109284 A1 WO 2024109284A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotating
rolling
positioning seat
groove
side support
Prior art date
Application number
PCT/CN2023/118866
Other languages
English (en)
French (fr)
Inventor
徐雪杰
郑泽宽
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2024109284A1 publication Critical patent/WO2024109284A1/zh

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Classifications

    • 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
    • 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
    • F16C11/10—Arrangements for locking
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details

Definitions

  • the present application relates to the field of electronic equipment, and in particular to a hinge device for supporting a flexible member, a folding shell provided with the hinge device, and an electronic device provided with the folding shell.
  • Foldable screen mobile phones equipped with bendable flexible display screens are becoming more and more popular due to their unique shape and diverse functions.
  • Foldable screen mobile phones in related technologies generally use hinge mechanisms to support bendable flexible display screens.
  • most of the hinge structures are complex, the overall width is large, and they occupy more space, which is not conducive to the miniaturization of foldable screen mobile phones.
  • the present application provides a hinge device, a folding housing provided with the hinge device, and an electronic device provided with the folding housing.
  • the present application provides a rotating shaft device, which includes a supporting assembly and a rotating assembly, wherein the supporting assembly includes two side supporting members;
  • the rotating assembly includes a positioning seat, two connecting members arranged on opposite sides of the positioning seat, and two rotating members arranged on opposite sides of the positioning seat, wherein the two side supporting members are respectively arranged on opposite sides of the positioning seat, wherein the connecting member is in rolling connection with the positioning seat, the side of the connecting member away from the positioning seat is in rotational connection with the side supporting member, the rotating member is in rotational connection with the positioning seat, and the end of the rotating member away from the positioning seat is in rotational connection with the side supporting member; wherein the side supporting member on the same side of the positioning seat is in rolling connection with the rotating member, or the side supporting member is in rolling connection with the positioning seat; when the two connecting members roll relative to the positioning seat and come close to each other, the two rotating members rotate relative to the positioning seat and come close to each other, so that the two side supporting members are folded relative to each other; when the two connecting members roll
  • the present application also provides a folding shell, which includes the aforementioned rotating shaft device and two frames, wherein the rotating shaft device is located between the two frames, the rotating shaft device includes a supporting assembly and a rotating assembly, the supporting assembly includes two side supporting members; the rotating assembly includes a positioning seat, two connecting members arranged on opposite sides of the positioning seat, and two rotating members arranged on opposite sides of the positioning seat, the two side supporting members are respectively arranged on opposite sides of the positioning seat, the connecting member is rollingly connected to the positioning seat, and the side of the connecting member away from the positioning seat rotates between the side supporting members
  • the rotating member is rotatably connected to the positioning seat, and the end of the rotating member away from the positioning seat is rotatably connected to the side support member; wherein the side support member on the same side of the positioning seat is rollingly connected to the rotating member, or the side support member is rollingly connected to the positioning seat, and the two frames are respectively connected to the connecting members of the two rotating mechanisms of the rotating shaft device; when the two connecting members roll relative to the positioning seat
  • the present application also provides an electronic device, which includes a flexible member and the aforementioned folding shell, the folding shell includes the aforementioned rotating shaft device and two frames, the rotating shaft device is located between the two frames, the rotating shaft device includes a supporting assembly and a rotating assembly, the supporting assembly includes two side supporting members; the rotating assembly includes a positioning seat, two connecting members arranged on opposite sides of the positioning seat, and two rotating members arranged on opposite sides of the positioning seat, the two side supporting members are respectively arranged on opposite sides of the positioning seat, the connecting member is rollingly connected to the positioning seat, the side of the connecting member away from the positioning seat is rotationally connected to the side supporting member, the rotating member is rotationally connected to the positioning seat, and the rotating member is rotationally connected to the positioning seat.
  • One end away from the positioning seat is rotationally connected to the side support member; wherein the side support member on the same side of the positioning seat is rollingly connected to the rotating member, or the side support member is rollingly connected to the positioning seat, the two frames are respectively connected to the connecting members of the two rotating mechanisms of the rotating shaft device, and the flexible member is arranged on the folding shell; when the two connecting members roll relative to the positioning seat and approach each other, the two rotating members rotate relative to the positioning seat and approach each other, so that the two side supports are folded with each other; when the two connecting members roll relative to the positioning seat and move away from each other, the two rotating members rotate relative to the positioning seat and move away from each other, so that the two side supports are unfolded with each other.
  • FIG1 is a schematic diagram of the three-dimensional structure of an electronic device in a first embodiment of the present application
  • FIG2 is a schematic diagram of the exploded three-dimensional structure of the foldable housing and the flexible member of the electronic device in FIG1 ;
  • FIG3 is a schematic diagram of the exploded three-dimensional structure of the foldable housing in FIG2 ;
  • FIG4 is a schematic diagram of the three-dimensional structure of the foldable housing in FIG3 from another viewing angle
  • FIG5 is an enlarged perspective view of the rotating shaft device in FIG3;
  • FIG6 is a schematic diagram of the three-dimensional structure of the rotating shaft device in FIG5 from another perspective
  • FIG7 is a schematic diagram of an exploded perspective view of the rotating shaft device in FIG5 ;
  • FIG8 is a schematic three-dimensional structural diagram of the rotating shaft device in FIG7 from another viewing angle
  • FIG9 is a further exploded schematic diagram of the three-dimensional structure of the rotating shaft device in FIG7;
  • FIG10 is a schematic diagram of the three-dimensional structure of the rotating shaft device in FIG9 from another perspective
  • FIG11 is a further exploded schematic diagram of the three-dimensional structure of the rotating shaft device in FIG9 ;
  • FIG12 is a schematic diagram of the three-dimensional structure of the rotating shaft device in FIG11 from another perspective;
  • FIG13 is a schematic diagram of the side structure of the foldable housing in FIG2;
  • FIG14 is a partial three-dimensional cross-sectional view of the folding housing in FIG2;
  • FIG15 is another partial perspective cross-sectional view of the folding housing in FIG2;
  • FIG16 is a schematic cross-sectional view of the foldable housing in FIG15;
  • FIG17 is another partial perspective cross-sectional view of the folding housing in FIG2 ;
  • FIG18 is a schematic cross-sectional view of the foldable housing in FIG17;
  • FIG19 is another partial perspective cross-sectional view of the folding housing in FIG2;
  • FIG20 is a schematic diagram of the three-dimensional structure of the electronic device in FIG1 in a completely bent state
  • FIG21 is an enlarged view of a partial structure of the folding housing in FIG20;
  • FIG22 is a schematic diagram of the side structure of the folding housing in FIG21;
  • FIG23 is a schematic diagram of the three-dimensional structure of the rotating shaft device in FIG21;
  • FIG24 is a perspective cross-sectional view of the rotating shaft device in FIG23;
  • FIG25 is another perspective cross-sectional view of the rotating shaft device in FIG23;
  • FIG26 is another perspective cross-sectional view of the rotating shaft device in FIG23;
  • FIG27 is a schematic diagram of the three-dimensional structure of the folding housing in the second embodiment of the present application.
  • FIG28 is a schematic diagram of the exploded three-dimensional structure of the foldable housing in FIG27;
  • FIG29 is a schematic diagram of the three-dimensional structure of the foldable housing in FIG28 from another perspective
  • FIG30 is a schematic diagram of an exploded perspective view of the rotating shaft device in FIG28;
  • FIG31 is a schematic diagram of an exploded perspective view of the rotating shaft device in FIG29;
  • FIG32 is a partial three-dimensional cross-sectional view of the folding housing in FIG27;
  • FIG33 is another partial perspective cross-sectional view of the folding housing in FIG27;
  • FIG34 is another partial perspective cross-sectional view of the folding housing in FIG27;
  • FIG35 is another partial perspective cross-sectional view of the folding housing in FIG27;
  • FIG36 is a schematic diagram of the three-dimensional structure of the foldable housing in FIG27 in a completely bent state
  • FIG37 is a partial three-dimensional cross-sectional view of the folding housing in FIG36;
  • FIG38 is another partial perspective cross-sectional view of the folding housing in FIG36;
  • FIG. 39 is another partially cutaway perspective view of the folding shell in FIG. 36 .
  • Main markings 100, electronic device; 20, foldable housing; 21, frame; 211, front; 213, back; 214, side; 215, end; 216, 22.
  • Second positioning section; 2505. Arc section; 251. Seat body; 2511. Front; 2512. Back; 2513. Side ; 2514, end face; 2516, first rotating groove; 2518, third rolling part; 2519, lug; 252, end cover; 253, connecting piece; 2530, first rolling part; 2532, second rotating part; 2533, fixing part; 2535, connecting part; 2565, rotating shaft; 2535a, fixing block; 2535b, extension strip; 2536, shaft hole; 2537, rotating block; 2538, avoidance groove; 256, rotating piece; 2562, first rotating part; 2564, second rolling part; 2566, supporting part; 2567, connecting part; 2568, first connecting hole; 2569, second connecting hole; 28, back cover; 280, receiving groove; 30, flexible part; 31, bendable area; 33, non-bending area
  • the present application provides a rotating shaft device, the rotating shaft device comprising:
  • a support assembly comprising two side supports
  • a rotating assembly comprising a positioning seat, two connecting members arranged on opposite sides of the positioning seat, and two rotating members arranged on opposite sides of the positioning seat, the two side support members are respectively arranged on opposite sides of the positioning seat, the connecting member is rollingly connected to the positioning seat, the side of the connecting member away from the positioning seat is rotationally connected to the side support member, the rotating member is rotationally connected to the positioning seat, and the end of the rotating member away from the positioning seat is rotationally connected to the side support member;
  • the side support member and the rotating member on the same side of the positioning seat are rollingly connected, or the side support member and the positioning seat are rollingly connected; when the two connecting members roll relative to the positioning seat and approach each other, the two rotating members rotate relative to the positioning seat and approach each other, so that the two side support members are folded together; when the two connecting members roll relative to the positioning seat and move away from each other, the two rotating members rotate relative to the positioning seat and move away from each other, so that the two side support members are unfolded.
  • a first rolling groove is provided on one end surface of the seat body, and the connecting member includes a connecting portion provided with a first rolling portion, and the first rolling portion is rollingly inserted in the first rolling groove.
  • the positioning seat includes a seat body, the connecting member includes a connecting portion, a first rolling groove is provided on a side of the connecting portion facing the seat body, and a first rolling portion is provided on the seat body and can be rollably inserted into the first rolling groove.
  • the first rolling groove is an arc groove
  • the first rolling part is a first rolling rod rollably inserted in the arc groove
  • the arc groove is bent toward the front side away from the seat body
  • the axis line of the first rolling groove is parallel to the first rotation axis line between the rotating member and the positioning seat.
  • the first rolling groove includes a first positioning section and a second positioning section located at opposite ends thereof, the first positioning section being closer to the middle of the seat body than the second positioning section; when the two side supports are in a flattened state, the first rolling rod is positioned at the first positioning section; when the two side supports are in a folded state, the first rolling rod is positioned at the second positioning section.
  • first rolling grooves are respectively provided on opposite sides of one end surface of the seat body, the two rolling grooves are symmetrically arranged, and the first rolling parts of the two connecting members are respectively rollingly accommodated in the two first rolling grooves.
  • the rotating member and the seat body are rotatably connected through the cooperation of a first rotating groove and a first rotating part
  • the first rotating groove is a first arc groove provided on the seat body
  • the first arc groove is bent toward the front side away from the seat body
  • the first rotating axis between the rotating member and the positioning seat is colinear with the axis of the first arc groove
  • the first rotating part is provided at one end of the connecting member
  • An arc piece is rotatably inserted in the first arc groove.
  • the first rotation groove is located at the end surface of the seat body away from the first rolling groove, and the opposite sides of the first rotation groove respectively pass through the front side and the side surface of the seat body.
  • the connecting member also includes a fixing portion, the connecting portion is connected to a side of the fixing portion close to the positioning seat, the end of the rotating member away from the positioning seat is rotatably connected to the fixing portion through the cooperation of a rotating shaft and an axial hole, the axial hole is provided on the side of the fixing portion away from the positioning seat, the second rotation axis centerline between the rotating member and the connecting member is colinear with the axis centerline of the axial hole, the end of the rotating member away from the positioning seat is provided with the rotating shaft, and the rotating shaft can be rotatably passed through the axial hole.
  • the side support member and the fixed part are rotatably connected through the cooperation of a second rotating groove and a second rotating part
  • the second rotating groove is a second circular arc groove provided on the side support member
  • the second rotation axis centerline between the side support member and the fixed part is colinear with the axis centerline of the second circular arc groove
  • the second rotating part is a circular arc rail provided on the fixed part
  • the circular arc rail is rotatably inserted in the circular arc groove.
  • the side support member includes a guide sliding block arranged on the back side of the side support plate, and the second rotation groove is opened on the side of the guide sliding block.
  • the side support member and the rotating member are rollingly connected through the cooperation of a second rolling groove and a second rolling portion, the second rolling groove is provided on the side support member, the second rolling portion is a second rolling rod provided on the rotating member, and the axis of the second rolling rod is parallel to the first rotation axis between the rotating member and the positioning seat.
  • the side support member and the rotating member are rollingly connected through the cooperation of a second rolling groove and a second rolling portion, a limit block is convexly provided on the back side of the side support member, the second rolling groove is provided on the side of the connecting portion of the rotating member facing the limit block, and the limit block of the side support member is provided with the second rolling portion which can be rollingly inserted in the second rolling groove.
  • the second rolling groove extends obliquely away from the front side of the side support member toward a side away from the positioning seat, and the second rolling groove includes a first limiting section and a second limiting section located at its opposite ends; when the two side supports are in a flattened state, the second rolling rod is positioned at the first limiting section; when the two side supports are in a fully folded state, the second rolling rod is positioned at the second limiting section.
  • the side support member and the positioning seat are connected in a rolling manner through a third rolling groove and a third rolling portion.
  • the side support member includes a side support plate and an extension strip connected to the side support plate facing the positioning seat.
  • the third rolling groove is provided on the extension strip.
  • the third rolling portion is a third rolling rod provided on the positioning seat. The axis line of the third rolling rod is parallel to the first rotation axis line between the rotating member and the positioning seat.
  • the third rolling rod is rollingly inserted in the third rolling groove.
  • the third rolling groove is an arc groove, which is bent toward the front side away from the positioning seat, and the third rolling groove includes a third limiting section and a fourth limiting section located on opposite sides thereof, and the third limiting section is closer to the side support plate than the fourth limiting section; when the two side supports are in a flattened state, the third rolling rod is positioned at the third limiting section; when the two side supports are in a folded state, the third rolling rod is positioned at the fourth limiting section.
  • a lug is provided at one end of the seat body away from the first rolling groove, and the lug extends from the side of the seat body to a side away from the seat body, and one end of the third rolling rod is connected to the side of the lug away from the first rolling groove.
  • the two connecting members are staggered along the folding axis centerline direction of the rotating shaft device, and/or the two rotating members are staggered along the folding axis centerline direction of the rotating shaft device.
  • the present application also provides a folding shell, which includes the aforementioned rotating shaft device and two frames, wherein the rotating shaft device is located between the two frames, and the rotating shaft device includes a supporting assembly and a rotating assembly, wherein the supporting assembly includes two side supporting members; the rotating assembly includes a positioning seat, two connecting members arranged on opposite sides of the positioning seat, and two rotating members arranged on opposite sides of the positioning seat, wherein the two The side supports are respectively arranged on opposite sides of the positioning seat, the connecting piece is rollingly connected to the positioning seat, the side of the connecting piece away from the positioning seat is rotatably connected to the side support, the rotating piece is rotatably connected to the positioning seat, and one end of the rotating piece away from the positioning seat is rotatably connected to the side support; wherein, the side support on the same side of the positioning seat is rollingly connected to the rotating piece, or the side support and the positioning seat are rollingly connected, and the two frames are respectively connected to the connecting pieces of the two rotating mechanisms of the rotating shaft device; when the two connecting pieces roll relative
  • the present application also provides an electronic device, which includes a flexible member and the aforementioned folding shell, the folding shell includes the aforementioned rotating shaft device and two frames, the rotating shaft device is located between the two frames, the rotating shaft device includes a supporting assembly and a rotating assembly, the supporting assembly includes two side supporting members; the rotating assembly includes a positioning seat, two connecting members arranged on opposite sides of the positioning seat, and two rotating members arranged on opposite sides of the positioning seat, the two side supporting members are respectively arranged on opposite sides of the positioning seat, the connecting member is rollingly connected to the positioning seat, the side of the connecting member away from the positioning seat is rotationally connected to the side supporting member, the rotating member is rotationally connected to the positioning seat, and the rotating member is rotationally connected to the positioning seat.
  • One end away from the positioning seat is rotationally connected to the side support member; wherein the side support member on the same side of the positioning seat is rollingly connected to the rotating member, or the side support member is rollingly connected to the positioning seat, the two frames are respectively connected to the connecting members of the two rotating mechanisms of the rotating shaft device, and the flexible member is arranged on the folding shell; when the two connecting members roll relative to the positioning seat and approach each other, the two rotating members rotate relative to the positioning seat and approach each other, so that the two side supports are folded with each other; when the two connecting members roll relative to the positioning seat and move away from each other, the two rotating members rotate relative to the positioning seat and move away from each other, so that the two side supports are unfolded with each other.
  • the electronic device 100 in the first embodiment of the present invention includes a foldable housing 20 and a flexible member 30 disposed on the foldable housing 20.
  • the flexible member 30 can be a flexible display screen, a flexible touch screen, a flexible touch display screen, or other flexible components with corresponding functions, or a flexible component fixedly attached to a flexible support plate, such as a flexible display screen and a flexible touch screen attached to a flexible steel plate.
  • the flexible member 30 can be bent or flattened with the foldable housing 20.
  • the foldable housing 20 includes two frames 21 and a rotating shaft device 22 connected between the two frames 21, and the two frames 21 can be folded or flattened with the rotating shaft device 22.
  • the flexible member 30 includes a bendable area 31 corresponding to the rotating shaft device 22, and two non-bending areas 33 connected to opposite sides of the bendable area 31.
  • the two non-bending areas 33 of the flexible member 30 can be fixed on the front of the two frames 21 respectively, and the bendable area 31 covers the front of the rotating shaft device 22.
  • the bendable region 31 of the flexible member 30 can be bent or flattened along with the rotating shaft device 22 .
  • the shaft device 22 includes a support assembly 23 and a rotating assembly 25 .
  • the support assembly 23 includes two side support members 233 disposed on opposite sides of the rotating assembly 25 .
  • the two side support members 233 can be bent or flattened toward each other.
  • the rotating assembly 25 includes a positioning seat 250, two connecting members 253 arranged on opposite sides of the positioning seat 250, and two rotating members 256 arranged on opposite sides of the positioning seat 250.
  • the two side support members 233 are respectively arranged on opposite sides of the positioning seat 250; each connecting member 253 is rollingly connected to the positioning seat 250, and the side of the connecting member 253 away from the positioning seat 250 is rotationally connected to the side support member 233 located on the same side of the positioning seat 250; each rotating member 256 is rotationally connected to the positioning seat 250, and one end of the rotating member 256 away from the positioning seat 250 is rotationally connected to the side support member 233 located on the same side of the positioning seat 250; the side support member 233 and the rotating member 256 located on the same side of the positioning seat 250 are rollingly connected.
  • the two rotating members 256 rotate relative to the positioning seat 250 and move closer to each other, so that the two side support members 233 are folded with each other, and the bendable area 31 is bent along with the two side support members 233;
  • the two rotating members 256 rotate relative to the positioning seat 250 and move away from each other, so that the two side support members 233 are unfolded, and the bendable area 31 is flattened with the two side support members 233.
  • the front of the two side support members 233 is coplanar with the front of the positioning seat 250, so that the flexible member 30 is attached to the front of the positioning seat 250 and the side support member 233.
  • the front of the two side support members 233 and the front of the positioning seat 250 enclose a space with a water drop shape or a U shape in cross section, and the bendable area 31 is bent into a water drop shape or a U shape and placed in the space.
  • the front of the two side support members 233 and the front of the positioning seat 250 can enclose a space with a water drop shape in cross section, and the bendable area 31 is bent into a water drop shape and placed in the space.
  • the two connecting members 253 in the rotating assembly 25 are symmetrical about the center line of the positioning seat 250, and the two rotating members 256 are symmetrical about the center line of the positioning seat 250.
  • the two connecting members 253 in the rotating assembly 25 can also be arranged asymmetrically, such as the two connecting members 253 are arranged staggered along the folding axis center line direction of the rotating shaft device 22; the two rotating members 256 in the rotating assembly 25 can also be arranged asymmetrically, such as the two rotating members 256 are arranged staggered along the folding axis center line direction of the rotating shaft device 22.
  • the rotating shaft device 22 may include a support assembly 23 and a rotating assembly 25 disposed on the back of the support assembly 23, and optionally, one rotating assembly 25 is disposed in the middle of the support assembly 23.
  • the rotating shaft device 22 may include a support assembly 23 and two rotating assemblies 25 disposed on the back of the support assembly 23, and optionally, the two rotating assemblies 25 are disposed at opposite ends of the support assembly 23.
  • the rotating shaft device 22 may include a support assembly 23 and three or more rotating assemblies 25 disposed on the back of the support assembly 23, and optionally, the three or more rotating assemblies 25 are evenly spaced and arranged along the folding axis direction of the rotating shaft device 22.
  • the support assembly 23 also includes a middle support member arranged between the two side support members 233.
  • a middle support member arranged between the two side support members 233.
  • the front faces of the two side support members 233 and the front face of the middle support member are coplanar, and the bendable area 31 of the flexible member 30 covers the front faces of the middle support member and the side support members 233; when the support assembly 23 is in a fully folded state, the front faces of the two side support members and the front face of the middle support member enclose a space with a teardrop-shaped or U-shaped cross-section.
  • the two frames 21 of the electronic device 100 are respectively connected to the two connecting members 253 of the hinge device 22.
  • the frame 21 drives the connecting member 253 to roll relative to the positioning seat 250, and the connecting member 253 drives the rotating member 256 to rotate relative to the positioning seat 250, so that the two side support members 233 are bent or unfolded along with the connecting member 253 and the rotating member 256, and the flexible member 30 is bent or flattened along with the supporting assembly 23, and the bendable area 31 can be bent to form a water drop shape.
  • the front side refers to the side facing the same direction as the light-emitting surface of the flexible member 30, and the back side refers to the side facing away from the light-emitting surface of the flexible member 30.
  • the electronic device 100 is, for example, but not limited to, any other product and component with display function such as a mobile phone, a tablet computer, a display, a liquid crystal panel, an OLED panel, a television, a smart watch, a VR head-mounted display, a car display, etc.
  • Connection in the description of the embodiment of the present invention includes two situations of direct connection and indirect connection, such as the connection between A and B includes direct connection between A and B, or connection through a third element C or more other elements.
  • connection also includes two situations of integrated connection and non-integrated connection.
  • the integrated connection means that A and B are formed and connected as one body, and the non-integrated connection means that A and B are formed and connected as one body;
  • rolling connection means that the two moving parts have both displacement changes and angle changes, such as the shaft body moves along the connecting groove and rotates relative to the connecting groove;
  • rotational connection means that the two moving parts rotate around the axis, such as the first moving part rotates around the axis relative to the second moving part;
  • sliding connection means that the two moving parts move in parallel, only the displacement changes, and there is no angle change, such as the first moving part moves relative to the second moving part in one direction.
  • the hinge device 22 of the electronic device 100 of the present invention includes a supporting assembly 23 and a rotating assembly 25.
  • One end of a connecting member 253 of the rotating assembly 25 is connected to the positioning seat 250 in a rolling manner, that is, the connecting member 253 is connected to the positioning seat 250 in a sliding and rotating manner, and the other end of the connecting member 253 away from the positioning seat 250 is fixedly connected to the corresponding frame 21; the opposite ends of the rotating member 256 are respectively connected to the positioning seat 250 and the corresponding connecting member 253.
  • the side support member 233 on the same side of the positioning seat 250 is rotationally connected to the connecting member 253, and the side support member 233 is rollingly connected to the rotating member 256, that is, the rotating member 256 is slidingly and rotationally connected to the side support member 233.
  • the frame 21 drives the connecting member 253 to roll relative to the positioning seat 250, and the connecting member 253 drives the rotating member 256 to rotate relative to the positioning seat 250.
  • the rolling of the connecting member 253 and the rotation of the rotating member 256 drive the two side support members 233 to fold or unfold with each other, thereby realizing the folding or flattening of the flexible member 30.
  • the connecting member 253 in the present application is rollingly connected to the positioning seat 250, and the side support member 233 is also rollingly connected to the rotating member 256, so that the various components of the rotating assembly 25 are compactly connected and the overall width of the hinge device 22 is small, thereby reducing the internal space occupied by the hinge device 22 in the folding shell 20, which is not only beneficial to the layout of other components such as the motherboard or battery, but also beneficial to the development of miniaturization;
  • the hinge device 22 of the present application has a simple structure and a low manufacturing cost.
  • the frame 21 includes a front face 211, a back face 213, two opposite side faces 214 and two end faces 215.
  • the shaft device 22 is connected between two adjacent end faces 215 of the two frames 21.
  • the bendable region 31 of the flexible member 30 is attached to the front face of the shaft device 22, and the non-bending region 33 of the flexible member 30 is connected to the front face 211 of the frame 21.
  • Each frame 21 is provided with a receiving groove 216 on the end face 215 facing the shaft device 22.
  • the receiving groove 216 passes through the front face 211 of the frame 21, and the opposite ends of the receiving groove 216 extend to the opposite side faces 214 of the frame 21.
  • each connecting member 253 is fixedly connected to the corresponding frame 21.
  • the back face 213 of the frame 21 is provided with a plurality of receiving spaces (not shown in the figure), and the receiving spaces are used to install electronic devices such as circuit boards and batteries.
  • the connecting member 253 and the positioning seat 250 are rollingly connected through the cooperation of the first rolling groove and the first rolling portion.
  • the first rolling groove is provided in one of the positioning seat 250 and the connecting member 253, and the first rolling portion is provided in the other of the positioning seat 250 and the connecting member 253.
  • the connecting member 253 includes a first rolling portion 2530, and the positioning seat 250 is provided with a first rolling groove 2501.
  • the first rolling portion 2530 is rollingly accommodated in the first rolling groove 2501.
  • the positioning seat 250 includes a rectangular seat body 251, the seat body 251 includes a front face 2511, a back face 2512 facing away from the front face 2511, two opposite side faces 2513 and two opposite end faces 2514, and one of the end faces 2514 of the seat body 251 is provided with a first rolling groove 2501; in this embodiment, the first rolling grooves 2501 are respectively provided on the opposite sides of one of the end faces 2514 of the seat body 251, that is, the two rolling grooves 2501 are symmetrically arranged, and the first rolling portions 2530 of the two connecting members 253 are respectively rollingly accommodated in the two first rolling grooves 2501.
  • the first rolling groove 2501 is an arc-shaped groove, which is bent toward the front side 2511 away from the seat body 251.
  • the axis of the first rolling groove 2501 is parallel to the first rotation axis L1 between the rotating member 256 and the positioning seat 250.
  • the first rolling portions 2530 of the two connecting members 253 roll in the two first rolling grooves 2501 respectively to achieve the folding or flattening of the two connecting members 253.
  • the first rolling groove 2501 includes a first positioning section 2502 and a second positioning section 2504 located at opposite ends thereof, and an arc section 2505 located between the first positioning section 2502 and the second positioning section 2504.
  • the first positioning section 2502 is closer to the middle of the seat body 251 than the second positioning section 2504, and the arc section 2505 is bent toward one side of the back side 2512.
  • the first rolling portion 2530 is positioned at the first positioning section. 2502; when the two side support members 253 are in a folded state, the first rolling portion 2530 is positioned at the second positioning section 2504; during the folding process of the two side support members 253, the first rolling portion 2530 rolls from the first positioning section 2502 to the second positioning section 2504 via the arc section 2505; during the flattening process of the two side support members 253, the first rolling portion 2530 rolls from the second positioning section 2504 to the first positioning section 2502 via the arc section 2505.
  • the first positioning sections 2502 of the two first rolling grooves 2501 are close to each other, and the two second positioning sections 2504 are far away from each other, thereby reducing the space occupied by the two first rolling grooves 2501 in the width of the seat body 251, thereby reducing the width of the seat body 251, which is conducive to the miniaturization of the rotating shaft device 22.
  • the two first rolling grooves 2501 may be staggered, thereby further reducing the space occupied by the two first rolling grooves 2501 in width of the seat body 251 , thereby further reducing the width of the seat body 251 , which is beneficial to the miniaturization of the rotating shaft device 22 .
  • the rotating member 256 and the seat body 251 are rotatably connected through the cooperation of the first rotating groove and the first rotating part.
  • the first rotating groove is provided in one of the rotating member 256 and the seat body 251, and the first rotating part is provided in the other of the rotating member 256 and the seat body 251.
  • the seat body 251 is provided with a first rotating groove 2516
  • the rotating member 256 includes a first rotating part 2562, and the first rotating part 2562 is rotatably accommodated in the first rotating groove 2516.
  • the first rotating grooves 2516 are respectively provided on opposite sides of the end surface 2514 of the seat body 251 away from the first rolling groove 2501, and the first rotating parts 2562 of the two rotating members 256 are respectively rotatably accommodated in the two first rotating grooves 2516; optionally, the two first rotating grooves 2516 are symmetrically arranged, and the two first rotating grooves 2516 are close to each other.
  • the two rotating members 256 are folded or flattened, the two first rotating parts 2562 rotate in the two first rotating grooves 2516 respectively.
  • the first rotating groove 2516 is a first arc groove provided on the seat body 251, the first arc groove is bent toward the side away from the front face 2511 of the seat body 251, the first rotating axis L1 between the rotating member 256 and the positioning seat 250 is collinear with the axis of the corresponding first arc groove, that is, the first rotating axis L1 between the rotating member 256 and the seat body 251 on the same side of the seat body 251 is collinear with the axis of the first arc groove;
  • the first rotating part 2562 is a circular arc piece provided at one end of the connecting member 253, the circular arc piece is rotatably inserted in the first circular arc groove.
  • the opposite sides of the first rotating groove 2516 respectively pass through the front face 2511 and the adjacent side face 2513 of the seat body 251, and the side face 2513 is provided with a avoiding groove connected to the corresponding first rotating groove 2516, the avoiding groove facilitates the first rotating part 2562 to rotate along the corresponding first rotating groove 2516.
  • adjacent portions of the two first rotation grooves 2516 pass through the front surface 2511 of the seat body 251 and are interconnected, so that the two first rotation grooves 2516 are brought closer to each other to reduce the volume of the seat body 251 , which is beneficial to the miniaturization of the rotating shaft device 22 .
  • the two first rotation grooves 2516 can be staggered, so as to further reduce the space occupied by the two first rotation grooves 2516 in the width of the seat body 251, so as to further reduce the width of the seat body 251, which is conducive to the miniaturization of the rotating shaft device 22.
  • the first rotation groove 2516 on the positioning seat 250 and the first rotating part 2562 on the rotating member 256 can be interchangeable.
  • a circular arc groove can be provided on the first rotating part 2562, and a circular arc track corresponding to the circular arc groove can be provided on the positioning seat 250, and the circular arc track can be rotatably inserted in the circular arc groove, and the axis center line of the circular arc groove, the axis center line of the circular arc track, and the first rotation axis center line L1 between the first rotating member 256 and the positioning seat 250 are collinear.
  • the positioning seat 250 also includes an end cover 252, which is used to connect to the seat body 251 to prevent the first rotating portion 2562 of the rotating member 256 from disengaging from the first rotating groove 2516; specifically, the end face of the end cover 252 is the same as the end face 2514 of the seat body 251, and the end face of the end cover 252 is connected to the end face 2514 of the seat body 251 provided with the first rotating groove 2516; the connection method between the end cover 252 and the seat body 251 can be but not limited to snap-on, screw-on, glue-on or one-piece molding, etc.
  • the seat body 251 can also be composed of a first connecting member and a second connecting member that are connected to each other.
  • the first connecting member is provided with two first grooves
  • the second connecting member is provided with two second grooves.
  • the connecting member 253 also includes a fixing portion 2533 and a connecting portion 2535.
  • the fixing portion 2533 is used to connect to the receiving groove 216 of the frame 21.
  • the connecting portion 2535 is connected to a side of the fixing portion 2533 close to the seat body 251.
  • the first rolling portion 2530 is arranged at an end of the connecting portion 2535 away from the fixing portion 2533.
  • the fixing portion 2533 is a rectangular fixing plate
  • the connecting portion 2535 includes a fixing block 2535a provided on the front side of the fixing portion 2533 and an extension bar 2535b connected to the fixing block 2535a
  • the extension bar 2535b extends from the fixing block 2535a toward one side of the seat body 251
  • the first rolling portion 2530 is provided at one end of the extension bar 2535b away from the fixing block 2535a; that is, the first rolling rod is provided at one end of the extension bar 2535b away from the fixing block 2535a, and when the first rolling portion 2530 is inserted into the corresponding first rolling groove 2501, the first The axis of the rolling rod is parallel to the first rotation axis L1 between the rotating member 256 and the positioning seat 250.
  • the fixing block 2535a is located at one end of the front side of the fixing portion 2533.
  • the side support member 233 and the connecting member 253 on the same side of the positioning seat 250 are rotatably connected through the cooperation of the second rotating groove and the second rotating part, the second rotating groove is provided in one of the side support member 233 and the connecting member 253, and the second rotating part is provided in the other of the side support member 233 and the connecting member 253.
  • the side support member 233 is provided with a second rotating groove 2330, and the end of the fixed portion 2533 of the connecting member 253 close to the connecting portion 2535 is provided with a second rotating portion 2532, and the second rotating portion 2532 is rotatably accommodated in the second rotating groove 2330.
  • the second rotating portion 2532 is an arc rail provided on the fixed portion 2533, and the arc rail is bent toward the side close to the back side of the fixed portion 2533; specifically, a protrusion is protruding from the front end of the connecting portion 2535, and the second rotating portion 2532 is an arc rail provided on the protrusion; the second rotating groove 2330 is a second arc groove provided on the side support member 233, and the arc rail can be rotatably inserted in the second arc groove.
  • the side support member 233 includes a rectangular side support plate 2335 and a guide slider 2334 disposed on the back of the side support plate 2335.
  • the side support plate 2335 includes a front side and a back side facing away from the front side.
  • the guide slider 2334 is disposed on the back side of the side support plate 2335 away from the positioning seat 250.
  • the guide slider 2334 is an arc-shaped block, and the second rotation groove 2330 is provided on the side of the guide slider 2334; one end of the second rotation groove 2330 penetrates the surface of the guide slider 2334 away from the positioning seat 250, and the other end of the second rotation groove 2330 extends to the back of the side support plate 2335.
  • the second rotation groove 2330 is bent toward the side away from the back of the side support plate 2335, and specifically, the middle part of the second rotation groove 2330 is bent toward the side away from the back of the side support plate 2335.
  • a guide sliding block 2334 is provided at at least one end of the side support member 233 corresponding to the connecting member 253, and a second rotating groove 2330 is provided on the side of the guide sliding block 2334 facing the connecting member 253.
  • a second rotating portion 2532 is provided on the end surface of the connecting member 253 facing the guide sliding block 2334, and the second rotating portion 2532 can be slidably accommodated in the second rotating groove 2330.
  • the second arc groove is provided on the side of the guide slider 2334 facing the connecting member 253; the third rotation axis L3 between the side support member 233 and the connecting member 253 is colinear with the axis of the second arc groove, and the first rotation axis L1 between the rotating member 256 and the positioning seat 250 is parallel to the axis of the second arc groove.
  • the guide slider 2334 is an arc block provided on the back side of the side support plate 2335 away from the positioning seat 250, the arc surface of the arc block faces the positioning seat 250, the second arc groove is provided on the side of the arc block, and the second arc groove is coaxial with the arc surface.
  • a guide sliding block 2334 is provided at one end of the side support member 233 corresponding to the connecting member 253, and an arc rail is provided on the end surface of the guide sliding block 2334 facing the connecting member 253, and the axis of the arc rail is colinear with the corresponding second rotation axis L2; a second arc groove is provided on the end surface of the connecting member 253 facing the guide sliding block 2334, and the arc rail can be slidably accommodated in the two second arc grooves.
  • a side of the side support plate 2335 close to the positioning seat 250 is provided with a avoiding opening 2338 corresponding to the connecting portion 2535.
  • the extension strip 2535b of the connecting portion 2535 can be accommodated in the avoiding opening 2338 to prevent the side support plate 2335 from interfering with the folding or flattening of the hinge device 22.
  • the side support member 233 and the rotating member 256 are connected to each other in a rolling manner through the cooperation of the second rolling groove and the second rolling part.
  • the second rolling groove is provided in one of the side support member 233 and the rotating member 256, and the second rolling part is provided in the other of the side support member 233 and the rotating member 256.
  • the side support member 233 is provided with a second rolling groove 2336
  • the rotating member 256 further includes a second rolling part 2564.
  • the second rolling part 2564 is rollably accommodated in the second rolling groove 2336, that is, the second rolling part 2564 is slidably and rotatably accommodated in the second rolling groove 2336.
  • the second rolling groove 2336 is inclinedly extended away from the front side of the side support member 233 to the side away from the positioning seat 250.
  • a stop block 2337 is convexly provided on the back side of the side support member 233, and the second rolling groove 2336 is provided in the stop block 2337.
  • the second rolling groove 2336 runs through two opposite side surfaces of the stop block 2337.
  • the limit block 2337 is closer to the positioning seat 250 than the guide slide block 2334, and the second rolling groove 2336 extends obliquely from the back of the side support plate 2335 to the side away from the positioning seat 250;
  • the back side of the second rolling groove 2336 extends obliquely toward a side away from the positioning seat 250 , and the second rolling groove 2336 extends along the extending direction of the limiting block 2337 .
  • the second rolling groove 2336 includes a first limiting section 2336a, a second limiting section 2336b, and a connecting section connecting the first limiting section 2336a and the second limiting section 2336b, wherein the first limiting section 2336a is farther away from the positioning seat 250 than the second limiting section 2336b.
  • the second rolling portion 2564 is a second rolling rod provided on the rotating member 256, and the second rolling rod is rollably provided in the second rolling groove 2336, and at this time, the axis of the second rolling rod is parallel to the first rotation axis L1 between the rotating member 256 and the positioning seat 250.
  • the second rolling rod can be displaced from the first limiting section 2336a to the second limiting section 2336b via the connecting section, or the second rolling rod can be displaced from the second limiting section 2336b to the first limiting section 2336a via the connecting section.
  • the second rolling rod When the two side support members 233 are in a flattened state, the second rolling rod is positioned at the first limiting section 2336a to prevent the side support members 233 from folding back and damaging the flexible member 30; when the two side support members 233 are in a fully folded state, the second rolling rod is positioned at the second limiting section 2336b to prevent the side support members 233 from further folding and damaging the flexible member 30.
  • the end of the rotating member 256 away from the positioning seat 250 is rotatably connected to the fixed part 2533 through the cooperation of the rotating shaft and the shaft hole, the rotating shaft is provided at one of the fixed part 2533 and the rotating member 256, the shaft hole is provided at the other of the fixed part 2533 and the rotating member 256, and the third rotation axis L3 between the rotating member 256 and the fixed part 2533 is collinear with the axis of the rotating shaft.
  • the fixed part 2533 is provided with a shaft hole 2536
  • the rotating member 256 includes a rotating shaft 2565, and the rotating shaft 2565 is rotatably inserted into the shaft hole 2536.
  • the side of the fixed part 2533 away from the positioning seat 250 is provided with a shaft hole 2536, and the second rotation axis L2 between the rotating member 256 and the connecting member 253 is collinear with the shaft hole 2536; the end of the rotating member 256 away from the positioning seat 250 is provided with a rotating shaft 2565, and the rotating shaft 2565 is rotatably inserted into the shaft hole 2536.
  • the rotating member 256 further includes a supporting portion 2566 connected to one side of the first rotating portion 2562 and a connecting portion 2567 connected to an end of the supporting portion 2566 away from the first rotating portion 2562.
  • the first rotating portion 2562 is used to be rotatably connected to the first rotating groove 2516 of the positioning seat 250.
  • the rotating shaft 2565 is provided on the connecting portion 2567.
  • the connecting portion 2567 is rotatably connected to the fixing portion 2533 via the rotating shaft 2565.
  • the two opposite arc surfaces of the first rotating portion 2562 are used to slidably fit the two opposite arc surfaces of the first rotating groove 2516 of the positioning seat 250.
  • a first connecting hole 2568 and a second connecting hole 2569 are provided at one end of the connecting portion 2567 away from the first rotating portion 2562 in a direction parallel to the first rotating axis L1 between the first rotating portion 2562 and the positioning seat 250.
  • the first connecting hole 2568 is closer to the first rotating portion 2562 than the second connecting hole 2569.
  • One end of the second rolling portion 2564 is passed through the first connecting hole 2568, and the other end of the second rolling portion 2564 extends out of the side of the connecting portion 2567 away from the fixed portion 2533; one end of the rotating shaft 2565 is passed through the second connecting hole 2569, and the other end of the rotating shaft 2565 extends out of the side of the connecting portion 2567 facing the fixed portion 2533.
  • the axis of the rotating shaft 2565 is colinear with the second rotating axis L2 between the rotating member 256 and the connecting member 253.
  • the support portion 2566 is an arc-shaped bar, and the opposite ends of the support portion 2566 are respectively connected to one end of the first rotating portion 2562 and one end of the connecting portion 2567.
  • the side of the connecting portion 2567 away from the first rotating portion 2562 forms an arc surface, which is conducive to the rotation of the first rotating member 256 relative to the connecting member 253.
  • a rotating block 2537 is provided on the front side of the fixed part 2533 near the connecting part 2535 away from the positioning seat 250, and an axial hole 2536 is provided on the side of the rotating block 2537 away from the second rotating part 2532, and the axis of the axial hole 2536 is parallel to the axis of the first rolling part 2530.
  • the rotating block 2537 is a sleeve provided on the front side of the fixed part 2533, the axis of the sleeve is colinear with the third rotating axis L3, and the inner cavity of the sleeve is the axial hole 2536.
  • a avoiding groove 2538 is provided on the end of the front side of the fixed part 2533 away from the second rotating part 2532, and the avoiding groove 2538 is used to accommodate the connecting part 2567 of the rotating member 256, that is, the connecting part 2567 can rotate relative to the fixed part 2533 along the axis of the rotating shaft 2565 in the avoiding groove 2538.
  • the rotating shaft 2565 can also be disposed on the connecting member 253, and the rotating shaft 2565 can be rotatably connected to the connecting portion 2567 of the rotating member 256.
  • the rotating shaft 2565 can be integrally formed with the connecting member 253.
  • the second rolling portion 2564 can be connected to the connecting member 253. One piece.
  • the shaft device 22 further includes a back cover 28, and the positioning seat 250 is connected to the back cover 28.
  • the back cover 28 is a bar frame, and the back cover 28 has a receiving groove 280, and the positioning seat 250 is received in the receiving groove 280 and fixedly connected to the back cover 28.
  • the back cover 28 is provided with a mounting portion (not shown) on the inner surface of the receiving groove 280, and the positioning seat 250 is connected to the mounting portion.
  • the connection between the positioning seat 250 and the mounting portion can be by, but not limited to, screw connection, clamping connection, or adhesive connection.
  • the first rotating parts 2562 of the two rotating members 256 are respectively accommodated in the two first rotating grooves 2516 of the seat body 251 .
  • the first rotating parts 2562 of the two rotating members 256 are inserted into the two first rotating grooves 2516 of the seat body 251 from the end surface 2514 of the seat body 251 away from the first rolling groove 2501 .
  • the end cover 252 is fixedly connected to the end surface 2514 of the seat body 251 away from the first rolling groove 2501 to prevent the two first rotating parts 2562 from being separated from the seat body 251 .
  • the two rotating members 256 are respectively rotatably connected to the seat body 251; the two rotating members 256 are respectively connected to the two connecting members 253, specifically, the two connecting members 253 are respectively placed on the opposite sides of the positioning seat 250, so that the connecting parts 2567 of the two rotating members 256 are respectively accommodated in the avoidance grooves 2538 of the two connecting members 253, and the two rotating shafts 2565 are respectively rotatably inserted in the two shaft holes 2536, and the first rolling parts 2530 of the two connecting members 253 are respectively rotatably inserted in the two first rolling grooves 2501 of the seat body 251.
  • the two side support members 233 are respectively arranged on the front sides of the two connecting members 253, so that the second rotating parts 2532 of the two connecting members 253 can be rotatably inserted into the first rotating grooves 2516 of the two side support members 233, and the second rolling parts 2564 of the two rotating members 256 can be rollably inserted into the second rolling grooves 2336 of the two side support members 233; the back of the positioning seat 250 is accommodated in the receiving groove 280 of the back cover 28, and the positioning seat 250 is fixedly connected to the back cover 28.
  • the first rotating part 2562 of the rotating member 256 can rotate along the first rotating axis L1 in the corresponding first rotating groove 2516 relative to the positioning seat 250, and the connecting part 2567 of the rotating member 256 can rotate around the corresponding rotating shaft 2565 relative to the connecting member 253, that is, the rotating member 256 rotates along the third rotating axis L3 relative to the connecting member 253;
  • the first rolling part 2530 of the connecting member 253 can roll in the corresponding first rolling groove 2501;
  • the second rotating part 2532 of the connecting member 253 can be rotatably accommodated in the corresponding second rotating groove 2330, that is, the side support member 233 rotates along the second rotating axis L2 relative to the connecting member 253, and the second rolling part 2564 of the rotating member 256 can be rollably accommodated in the corresponding second rolling groove 2336.
  • the first rotation axis L1 , the second rotation axis L2 and the third rotation axis L3 are parallel to each other.
  • the two first rotation axis L1 are located between the two second rotation axis L2
  • the two second rotation axis L2 are located between the two third rotation axis L3 .
  • the front faces of the two side support members 233 are coplanar with the front faces of the positioning seat 250, the two first rotating portions 2562 are respectively rotatably accommodated in the two first rotating grooves 2516, the two first rolling portions 2530 are respectively positioned at the two first positioning sections 2502 of the positioning seat 250, the two second rotating portions 2532 are respectively rotatably accommodated in the two second rotating grooves 2330, and the two second rolling portions 2564 are respectively positioned at the two first limiting sections 2336a of the two side support members 233.
  • the connecting member 253 rolls relative to the positioning seat 250, that is, the first rolling portion 2530 of the connecting member 253 slides and rotates in the corresponding first rolling groove 2501, so as to drive the first rotating portion 2562 of the rotating member 256 to rotate along the first rotating axis L1 relative to the positioning seat 250, and the connecting portion 2567 of the rotating member 256 rotates along the second rotating axis L2 relative to the connecting member 253, the second rolling portion 2564 of the rotating member 256 rolls in the corresponding second rolling groove 2336, and the second rotating portion 2532 of the connecting member 253 rotates in the corresponding second rotating groove 2330, so that the two side support members 233 are bent or unfolded relative to each other.
  • one of the connecting members 253 is bent toward the other connecting member 253 relative to the positioning seat 250, and the first rolling portion 2530 of the one of the connecting members 253 rolls from the first positioning section 2502 to the second positioning section 2504 in the corresponding first rolling groove 2501, and the one of the connecting members 253 drives the first rotating portion 2562 of the corresponding rotating member 256 to rotate in the positioning groove 2501.
  • the first rotation groove 2516 of the positioning seat 250 rotates, and the connecting portion 2567 of the rotating member 256 rotates along the second rotation axis relative to the corresponding connecting member 253.
  • the second rotating portion 2532 of one of the connecting members 253 rotates in the corresponding second rotation groove 2330, and the second rolling portion 2564 of the rotating member 256 rolls from the first limiting section 2336a to the second limiting section 2336b in the corresponding second rolling groove 2336; the same method is used to bend the other connecting member 253 relative to the positioning seat 250 toward one of the connecting members 253, so that the two connecting members 253 and the two rotating members 256 are close to each other, so as to drive the two side supporting members 233 to be close to each other, until the two side supporting members 233 and the positioning seat 250 form a water drop-shaped cross section.
  • the first rolling portion 2530 rolls from the first positioning section 2502 of the corresponding first rolling groove 2501 to the second positioning section 2504 via the arc section 2505, the first rotating portion 2562 rotates in the corresponding first rotating groove 2516, the second rolling portion 2564 rolls from the first limiting section 2336a of the corresponding second rolling groove 2336 to the second limiting section 2336b via the connecting section, and the second rotating portion 2532 rotates in the corresponding second rotating groove 2330.
  • the rotating members 256 and the connecting members 253 on the opposite sides of the positioning seat 250 move closer to each other, so that the side support members 233 on the opposite sides of the positioning seat 250 move closer to each other, until the front faces of the two side support members 233 and the front face of the positioning seat 250 enclose a space with a water drop-shaped cross section.
  • the two connecting members 253 can be rotated together in opposite directions, and the first rolling portions 2530 of the two connecting members 253 respectively roll in the two first rolling grooves 2501 from the first positioning section 2502 to the second positioning section 2504 through the arc section 2505, so that the two connecting members 253 are close to each other, thereby driving the two rotating members 256 to rotate relative to the positioning seat 250 and approach each other, that is, the two first rotating portions 2562 rotate in the two first rotating grooves 2516 respectively, and each rotating member 256 rotates relative to the corresponding connecting member 253.
  • the second rotating parts 2532 of the two connecting members 253 rotate in the second rotating grooves 2330 of the two side support members 233 respectively, and the second rolling parts 2564 of the two rotating members 256 roll in the first limiting sections 2336a in the two side support members 233 through the connecting sections to the second limiting sections 2336b, thereby driving the two side support members 233 to move closer to each other until the two side support members 233 and the positioning seat 250 form a water drop-shaped cross section.
  • one of the connecting members 253 When the rotating shaft device 22 is flattened from a bent state, one of the connecting members 253 is unfolded relative to the positioning seat 250 toward and away from the other connecting member 253, and the first rolling portion 2530 of the one of the connecting members 253 rolls from the second positioning section 2504 to the first positioning section 2502 via the arc section 2505 in the corresponding first rolling groove 2501, and the one of the connecting members 253 drives the first rotating portion 2562 of the corresponding rotating member 256 to rotate in the first rotating groove 2516 of the positioning seat 250, and the rotating member 256 rotates relative to the corresponding connecting member 253.
  • the second rotating portion 2532 of one of the connecting members 253 rotates in the corresponding second rotating groove 2330, and the second rolling portion 2564 of the rotating member 256 rolls in the corresponding second rolling groove 2336 from the second limit section 2336b to the first limit section 2336a via the connecting section; the same method as above is used to flatten the other connecting member 253 relative to the positioning seat 250 away from one of the connecting members 253, so that the two connecting members 253 are flattened with each other and the two rotating members 256 are flattened with each other, so as to drive the two side support members 233 to unfold with each other until the two side support members 233 and the positioning seat 250 are flattened.
  • the first rolling portion 2530 rolls from the second positioning section 2504 of the corresponding first rolling groove 2501 to the first positioning section 2502 via the arc section 2505, the first rotating portion 2562 rotates in the corresponding first rotating groove 2516, the second rolling portion 2564 rolls from the second limiting section 2336b of the corresponding second rolling groove 2336 to the first limiting section 2336a via the connecting section, and the second rotating portion 2532 rotates in the corresponding second rotating groove 2330.
  • the rotating members 256 and the connecting members 253 on the opposite sides of the positioning seat 250 are unfolded to each other, so that the side support members 233 on the opposite sides of the positioning seat 250 are unfolded to each other, until the two side support members 233 are smoothly flattened, so that the front surfaces of the two side support members 233 are coplanar with the front surface of the positioning seat 250.
  • the two connecting members 253 can be rotated together in a direction away from each other, and the first rolling portions 2530 of the two connecting members 253 respectively roll from the second positioning section 2504 to the first positioning section 2502 through the arc section 2505 in the two first rolling grooves 2501, so that the two connecting members 253 are spread out from each other, thereby driving the two rotating members 256 to rotate relative to the positioning seat 250 and spread out from each other, that is, the two first The rotating parts 2562 rotate in the two first rotating grooves 2516 respectively, and each rotating member 256 rotates relative to the corresponding connecting member 253.
  • the second rotating parts 2532 of the two connecting members 253 rotate in the second rotating grooves 2330 of the two side supporting members 233 respectively, and the second rolling parts 2564 of the two rotating members 256 roll from the second limiting sections 2336b in the two side supporting members 233 to the first limiting sections 2336a through the connecting sections; thereby driving the two side supporting members 233 to move away from each other until the front faces of the two side supporting members 233 are flush with the front face of the positioning seat 250.
  • the first rolling portion 2530 on the connecting member 253 and the corresponding first rolling groove 2501 on the positioning seat 250 can be interchangeable, that is, the first rolling portion 2530 can be provided on the positioning seat 250, and the first rolling groove 2501 can be provided on the connecting member 253.
  • the first rolling groove 2501 can be provided on the side of the connecting portion 2535 of the connecting member 253 facing the seat body 251, and the first rolling portion 2530 that can be rollably inserted in the first rolling groove 2501 is provided on the seat body 251.
  • the rotating shaft device 22 is bent or unfolded, the first rolling portion 2530 slides and rotates in the first rolling groove 2501.
  • the second rolling portion 2564 on the rotating member 256 and the second rolling groove 2336 on the corresponding side support member 233 can be interchangeable, that is, the second rolling portion 2564 can be provided on the side support member 233, and the second rolling groove 2336 can be provided on the rotating member 256.
  • the second rolling groove 2336 can be provided on the side of the connecting portion 2567 of the rotating member 256 facing the limit block 2337, and the limit block 2337 of the side support member 233 is provided with a second rolling portion 2564 that can be rolled and inserted into the second rolling groove 2336.
  • the front of the positioning seat 250 is flush with the front of the two side support members 233; since the front of the side support members 233 is coplanar with the front of the positioning seat 250, the flexible member 30 will not be impacted by the step difference when it is flattened, and the flexible member 30 will not have color spots, bright spots and other defects, thereby ensuring the reliability of the flexible member 30.
  • the connecting member 253 and the positioning seat 250 are connected by rolling with the first rolling groove and the first rolling part, and the rotating member 256
  • the side support member 233 is rollingly connected by the second rolling groove and the second rolling part
  • the rotating member 256 and the positioning seat 250 are rotationally connected by the first rotating part and the first rotating groove
  • the connecting member 253 and the corresponding side support member 233 are rotationally connected by the second rotating part and the second rotating groove; therefore, the connection between the components in the hinge device 22 can be made more compact, thereby reducing the overall width of the hinge device 22, reducing the internal space occupied by the shell 20, which is beneficial to the layout of other components such as the motherboard or battery, and is beneficial to the miniaturization of the electronic device 100.
  • the frame 21 drives the corresponding connecting member 253 to roll relative to the positioning seat 250 and move toward the side close to the flexible member 30, and the connecting member 253 drives the corresponding rotating member 256 to rotate relative to the positioning seat 250 and move closer to the other rotating member 256; at the same time, the connecting member 253 and the rotating member 256 drive the corresponding side support member 233 to move closer to the other side support member 233.
  • the same method as above is used to apply a bending force to the other frame 21, so that the connecting member 253 connected to the other frame 21 rolls relative to the positioning seat 250 to move closer to one of the connecting members 253, so that the two rotating members 256 move closer to each other, thereby driving the two side support members 233 to move closer to each other, until the two side support members 233 and
  • the positioning seat 250 has a teardrop-shaped cross section; the bendable area 31 of the flexible member 30 bends along with the hinge device 22 until the front sides of the two non-bending areas 33 of the flexible member 30 fit together, and the bendable area 31 bends into a teardrop shape, thereby realizing seamless folding of the electronic device 100.
  • the bendable area 31 of the flexible member 30 is bent into a teardrop shape, reducing the duty cycle of the bendable area 31 after bending, thereby reducing the overall thickness of the electronic device 100.
  • a bending force can also be applied to the two frames 21 at the same time, and the two frames 21 respectively drive the two connecting members 253 to rotate toward the side close to the flexible member 30, and the electronic device 100 is bent through the rotating shaft device 22.
  • one of the frames 21 is pulled outwards to rotate the two connecting members 253 connected to the two frames 21 in a direction away from each other. Specifically, a force is applied to pull outwards on one of the frames 21 of the electronic device 100, and the frame 21 drives the corresponding connecting member 253 to roll relative to the positioning seat 250 and move to the side away from the flexible member 30; at the same time, the connecting member 253 and the rotating member 256 drive the corresponding side support member 233 to move away from the other side support member 233.
  • the same method as described above is used to apply an outward pulling force to the other frame 21, so that the connecting member 253 connected to the other frame 21 rolls away from one of the connecting members 253 relative to the positioning seat 250 to unfold, so that the connecting members 253 and the rotating member 256 on the opposite sides rotate relative to the positioning seat 250 and unfold with each other, thereby driving the two side support members 233 to unfold with each other until the two side support members 233 and the positioning seat 250 are flattened, and the bendable area 31 of the flexible member 30 unfolds along with the rotating shaft device 22 until the flexible member 30 is flattened.
  • a force pulling outward can be applied to the two frames 21 at the same time, and the two frames 21 respectively drive the two connecting members 253 to rotate relative to the side away from the flexible member 30 , and the electronic device 100 can be unfolded through the hinge device 22 .
  • the electronic device 100 of the present invention is bent or unfolded through the hinge device 22. Since the connecting member 253 and the positioning seat 250 are connected by the rolling connection through the first rolling groove 2501 and the first rolling part 2530, the rotating member 256 and the side support member 233 are connected by the second rolling groove 2336 and the second rolling part 2564, the second rotating part 2532 of the connecting member 253 is rotatably accommodated in the corresponding second rotating groove 2330, and the first rotating part 2562 of the rotating member 256 is rotatably accommodated in the corresponding first rotating groove 2516; therefore, the connection between the various components in the hinge device 22 can be made more compact, thereby reducing the overall width of the hinge device 22, reducing the internal space occupied by the shell 20, and facilitating the layout of other components such as the motherboard or battery; secondly, the structure of the hinge device 22 is firm, which improves the overall strength of the electronic device 100.
  • the structure of the folding housing 20a in the second embodiment of the present application is similar to that of the folding housing 20 in the first embodiment, except that the rolling connection between the side support member 233a and the positioning seat 250a of the folding housing 20a in the second embodiment replaces the rolling connection between the side support member 233 and the rotating member 256 of the folding housing 20 in the first embodiment.
  • the side support member 233a and the positioning seat 250a in the second embodiment are rollingly connected through the cooperation of the third rolling groove and the third rolling part, the third rolling groove is provided in one of the side support member 233a and the positioning seat 250a, and the third rolling part is provided in the other of the side support member 233a and the positioning seat 250a.
  • third rolling portions 2518 are respectively disposed on two opposite sides of one end of the positioning seat 250a, and two side support members 233a are respectively disposed with third rolling grooves 2331, and the two third rolling portions 2518 are respectively rolled through the two third rolling grooves 2331.
  • the side support member 233a includes a side support plate 2335 and an extension strip 2333 connected to the side support plate 2335 facing the positioning seat 250a, that is, one end of the extension strip 2333 is connected to the side of the side support plate 2335 facing the positioning seat 250a, and the other end of the extension strip 2333 extends toward the side of the positioning seat 250a;
  • the third rolling groove 2331 is an arc groove provided on the extension strip 2333, and the arc groove is bent toward the side away from the front of the side support plate 2335, that is, one end of the third rolling groove 2331 is close to the side support plate 2335, and the relative second end of the third rolling groove 2331 is close to the positioning seat 250a;
  • the third rolling groove 2331 is bent and extended from the first end to the second end, and the third rolling groove 2331 is The middle part is away from the front side of the side support plate 2335;
  • the third rolling part 2518 is a third rolling rod arranged on the positioning seat 250, and the axis line of the third rolling rod is
  • the third rolling groove 2331 includes a third limiting segment 2331a and a fourth limiting segment 2331b at opposite ends thereof, and a connecting segment 2331c connecting the third limiting segment 2331a and the fourth limiting segment 2331b, the third limiting segment 2331a is closer to the side support plate 2335 than the fourth limiting segment 2331b, and the connecting segment 2331c is bent toward a side away from the front of the side support plate 2335.
  • the third rolling portion 2518 can roll from the third limiting segment 2331a to the fourth limiting segment 2331b via the connecting segment 2331c, or the third rolling portion 2518 can roll from the fourth limiting segment 2331b to the third limiting segment 2331a via the connecting segment 2336c.
  • the third rolling portion 2518 is positioned at the third limiting section 2331a to prevent the side support member 233 from folding back and damaging the flexible member; when the two side support members 233a are in a fully folded state, the third rolling portion 2518 is positioned at the fourth limiting section 2331b to prevent the side support member 233a from further folding and damaging the flexible member.
  • the extension bar 2333 is an arc-shaped bar, the middle part of which is bent toward a side away from the front side of the side support plate 2335, and the third rolling groove 2331 extends along the extension direction of the arc-shaped bar.
  • an arc surface is provided at one end of the extension bar 2333 away from the side support plate 2335, so that the side support member 233a can slide and rotate relative to the positioning seat 250a.
  • the two extension bars 2333 are respectively sleeved on the two third rolling parts 2518, the two extension bars 2333 are mutually offset in the direction along the first rotation axis between the rotating member 256 and the positioning seat 250a, so that the two side support members 233a are more compact, thereby further reducing the width dimension of the rotating shaft device 22a.
  • An end of the seat body 251a away from the first rolling groove 2501 is provided with a lug 2519, the lug 2519 extends from the side of the seat body 251a to the side away from the seat body 251a, and one end of the third rolling rod is connected to the side of the lug 2519 away from the first rolling groove 2501.
  • lugs 2519 are respectively provided on two opposite sides of the end of the seat body 251a away from the first rolling groove 2501, and a third rolling rod is convexly provided on the side of each lug 2519 away from the first rolling groove 2501.
  • the positions of the third rolling groove 2331 and the third rolling portion 2518 can be swapped, that is, a third rolling portion is provided on the side support member 233a, and a third rolling groove is provided on the seat body 251a, and the third rolling portion can be rotatably inserted in the third rolling groove.
  • the assembly method of the rotating shaft device 22a in the second embodiment is similar to that of the rotating shaft device 22 in the first embodiment. Specifically, when assembling the rotating shaft device 22a, the first rotating parts 2562 of the two rotating members 256 are respectively accommodated in the two first rotating grooves 2516 of the seat body 251; the end cover 252 is fixedly connected to the end surface 2514 of the seat body 251a away from the first rolling groove 2501 to prevent the two first rotating parts 2562 from separating from the seat body 251; the two rotating members 256 are respectively connected to the two connecting members 253, so that the connecting parts 2567 of the two rotating members 256 are respectively accommodated in the two connecting members 253.
  • the avoidance groove 2538 of the part 253, and the two rotating shafts 2565 are rotatably inserted in the two shaft holes 2536 respectively;
  • the two side support members 233a are respectively arranged on the front sides of the two connecting members 253, so that the second rotating parts 2532 of the two connecting members 253 are respectively rotatably inserted in the first rotating grooves 2516 of the two side support members 233a, and the two third rolling parts 2518 of the positioning seat 250a are respectively rotatably inserted in the third rolling grooves 2331 of the two side support members 233a;
  • the back of the positioning seat 250a is accommodated in the receiving groove 280 of the back cover 28, and the positioning seat 250 is fixedly connected to the back cover 28.
  • the first rotating part 2562 of the rotating member 256 can rotate along the first rotating axis in the corresponding first rotating groove 2516 relative to the positioning seat 250a, the connecting part 2567 of the rotating member 256 can rotate around the corresponding rotating shaft 2565 relative to the connecting member 253, and the first rolling part 2530 of the connecting member 253 can roll in the corresponding first rolling groove 2501; the second rotating part 2532 of the connecting member 253 can be rotatably accommodated in the corresponding second rotating groove 2330, and the third rolling part 2518 of the positioning seat 250a can be rollably accommodated in the corresponding third rolling groove 2331.
  • one of the connecting members 253 is relative to the positioning seat 250a. Bending toward another connecting member 253, the first rolling portion 2530 of one of the connecting members 253 rolls from the first positioning section 2502 to the second positioning section 2504 in the corresponding first rolling groove 2501, and one of the connecting members 253 drives the corresponding rotating member 256 to rotate relative to the positioning seat 250a, and the rotating member 256 rotates relative to the corresponding connecting member 253.
  • the second rotating portion 2532 of one of the connecting members 253 rotates in the corresponding second rotating groove 2330, and the third rolling portion 2518 of the positioning seat 250a rolls from the third limit section 2331a to the fourth limit section 2331b in the corresponding third rolling groove 2331; the same method as above is used to bend the other connecting member 253 toward one of the connecting members 253 relative to the positioning seat 250a, so that the two connecting members 253 are close to each other and the two rotating members 256 are close to each other, so as to drive the two side support members 233a to move closer to each other, until the two side support members 233a and the positioning seat 250a form a water drop-shaped cross section.
  • the first rolling portion 2530 rolls from the first positioning section 2502 of the corresponding first rolling groove 2501 to the second positioning section 2504, the first rotating portion 2562 rotates in the corresponding first rotating groove 2516, the third rolling portion 2518 rolls from the third limiting section 2331a of the corresponding third rolling groove 2331 to the fourth limiting section 2331b, and the second rotating portion 2532 rotates in the corresponding second rotating groove 2330.
  • the rotating members 256 and the connecting members 253 on the opposite sides of the positioning seat 250a move closer to each other, so that the side support members 233a on the opposite sides of the positioning seat 250a move closer to each other, until the front faces of the two side support members 233a and the front face of the positioning seat 250a enclose a space with a water drop-shaped cross section.
  • the two connecting members 253 can be rotated together in opposite directions, so that the first rolling parts 2530 of the two connecting members 253 respectively roll from the first positioning section 2502 to the second positioning section 2504 in the two first rolling grooves 2501, so that the two connecting members 253 are close to each other, thereby driving the two rotating members 256 to rotate relative to the positioning seat 250 and close to each other.
  • the second rotating parts 2532 of the two connecting members 253 respectively rotate in the second rotating grooves 2330 of the two side support members 233, and the two third rolling parts 2518 of the positioning seat 250a respectively roll from the third limiting section 2331a of the third rolling grooves 2331 in the two side support members 233 to the fourth limiting section 2331b, thereby driving the two side support members 233 to move closer to each other until the two side support members 233 and the positioning seat 250 form a water drop-shaped cross section.
  • one of the connecting members 253 When the rotating shaft device 22a is flattened from a bent state, one of the connecting members 253 is unfolded relative to the positioning seat 250a toward and away from the other connecting member 253, and the first rolling portion 2530 of one of the connecting members 253 rolls from the second positioning section 2504 to the first positioning section 2502 in the corresponding first rolling groove 2501, and one of the connecting members 253 drives the first rotating portion 2562 of the corresponding rotating member 256 to rotate in the first rotating groove 2516 of the positioning seat 250, and the rotating member 256 rotates relative to the corresponding connecting member 253.
  • the second rotating portion 2532 of one of the connecting members 253 rotates in the corresponding second rotating groove 2330, and the third rolling portion 2518 of the positioning seat 250a rolls from the fourth limit section 2331b to the third limit section 2331a in the corresponding third rolling groove 2331; the same method as above is used to flatten the other connecting member 253 relative to the positioning seat 250a away from one of the connecting members 253, so that the two connecting members 253 are flattened with each other and the two rotating members 256 are flattened with each other, so as to drive the two side support members 233a to unfold with each other until the two side support members 233a and the positioning seat 250a are flattened, so that the front faces of the two side support members 233a are coplanar with the front face of the positioning seat 250a.
  • the two connecting members 253 can be rotated together in the direction away from each other, and the first rolling parts 2530 of the two connecting members 253 respectively roll from the second positioning section 2504 to the first positioning section 2502 in the two first rolling grooves 2501, so that the two connecting members 253 are spread out, thereby driving the two rotating members 256 to rotate relative to the positioning seat 250 and spread out.
  • the second rotating parts 2532 of the two connecting members 253 respectively rotate in the second rotating grooves 2330 of the two side support members 233, and the two third rolling parts 2518 of the positioning seat 250a respectively roll from the fourth limiting sections 2331b of the two third rolling grooves 2331 to the third limiting sections 2331a; thereby driving the two side support members 233a to move away from each other until the front faces of the two side support members 233a are flush with the front face of the positioning seat 250a.
  • the present application also provides an electronic device with a rotating shaft device 22a.
  • the electronic device includes two frames 21 connected to connecting members 253 on opposite sides of the rotating shaft device 22a and a flexible member covering the frames 21 and the rotating shaft device 22a.
  • the assembled hinge device 22a is placed between the two frames 21, and the connecting pieces 253 on opposite sides of the back cover 28 are respectively placed in the receiving grooves 216 of the two frames 21, and the two connecting pieces 253 are respectively fixedly connected to the two frames 21.
  • the front faces 211 of the two frames 21, the front faces of the two side support pieces 233a, and the front face of the positioning seat 250a are coplanar; the back face of the flexible piece 30 is connected to the front faces 211 of the two frames 21 and the front face of the hinge device 22a, specifically, the bendable area 31 is attached to the front face of the hinge device 22a, and the two non-bending areas 33 are attached to the front faces of the two frames 21.

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Abstract

本申请提供一种转轴装置，其包括支撑组件及转动组件，支撑组件包括两个侧部支撑件；转动组件包括定位座、设于定位座的相对两侧的两个连接件，以及设于定位座的相对两侧的两个转动件，两个侧部支撑件分别设于定位座的相对两侧，连接件与定位座之间滚动连接，连接件远离定位座的一侧与侧部支撑件之间转动连接，转动件与定位座之间转动连接，转动件远离定位座的一端与侧部支撑件之间转动连接；定位座同侧的侧部支撑件与转动件之间滚动连接，或者侧部支撑件与定位座之间滚动连接，使得转轴装置的各个元件连接紧凑，转轴装置的宽度减小，能减小占用折叠壳体的内部空间，有利于小型化发展。本申请还提供一种设有转轴装置的折叠壳体及电子设备。

Description

转轴装置、折叠壳体及电子设备
本申请要求于2022年11月21日提交中国专利局、申请号为202211455186.0、申请名称为“转轴装置、折叠壳体及电子设备”的申请专利的优先权，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领域，特别涉及一种支撑柔性件的转轴装置、设置有所述转轴装置的折叠壳体，以及设置有所述折叠壳体的电子设备。
背景技术
随着显示器材的发展，现已出现了可弯折柔性显示屏，搭载了可弯折柔性显示屏的折叠屏手机因其独特的造型和多样化的功能也越来越受到人们的喜爱。相关技术中的折叠屏手机一般均采用铰链机构支撑可弯折柔性显示屏，然而，目前大部分的铰链结构复杂，整体宽度较大，占用空间较多，不利于折叠屏手机的小型化发展。
发明内容
本申请提供一种转轴装置、设置有所述转轴装置的折叠壳体，以及设有所述折叠壳体的电子设备。
本申请提供一种转轴装置，其包括支撑组件及转动组件，所述支撑组件包括两个侧部支撑件；所述转动组件包括定位座、设于所述定位座的相对两侧的两个连接件，以及设于所述定位座的相对两侧的两个转动件，两个所述侧部支撑件分别设于所述定位座的相对两侧，所述连接件与所述定位座之间滚动连接，所述连接件远离所述定位座的一侧与所述侧部支撑件之间转动连接，所述转动件与所述定位座之间转动连接，所述转动件远离所述定位座的一端与所述侧部支撑件之间转动连接；其中，所述定位座同侧的所述侧部支撑件与所述转动件之间滚动连接，或者所述侧部支撑件与所述定位座之间滚动连接；当两个所述连接件相对于所述定位座滚动而相互靠拢时，两个所述转动件相对于所述定位座转动而相互靠拢，以使两个所述侧部支撑件相互折叠；当两个所述连接件相对于所述定位座滚动而相互远离时，两个所述转动件相对于所述定位座转动而相互远离，以使两个所述侧部支撑件相互展开。
本申请还提供一种折叠壳体，其包括前述的转轴装置及两个框体，所述转轴装置位于两个所述框体之间，所述转轴装置包括支撑组件及转动组件，所述支撑组件包括两个侧部支撑件；所述转动组件包括定位座、设于所述定位座的相对两侧的两个连接件，以及设于所述定位座的相对两侧的两个转动件，两个所述侧部支撑件分别设于所述定位座的相对两侧，所述连接件与所述定位座之间滚动连接，所述连接件远离所述定位座的一侧与所述侧部支撑件之间转动连接，所述转动件与所述定位座之间转动连接，所述转动件远离所述定位座的一端与所述侧部支撑件之间转动连接；其中，所述定位座同侧的所述侧部支撑件与所述转动件之间滚动连接，或者所述侧部支撑件与所述定位座之间滚动连接，两个所述框体分别连接于所述转轴装置的两个所述转动机构的连接件；当两个所述连接件相对于所述定位座滚动而相互靠拢时，两个所述转动件相对于所述定位座转动而相互靠拢，以使两个所述侧部支撑件相互折叠；当两个 所述连接件相对于所述定位座滚动而相互远离时，两个所述转动件相对于所述定位座转动而相互远离，以使两个所述侧部支撑件相互展开。
本申请还提供一种电子设备，所述电子设备包括柔性件及前述的折叠壳体，所述折叠壳体包括前述的转轴装置及两个框体，所述转轴装置位于两个所述框体之间，所述转轴装置包括支撑组件及转动组件，所述支撑组件包括两个侧部支撑件；所述转动组件包括定位座、设于所述定位座的相对两侧的两个连接件，以及设于所述定位座的相对两侧的两个转动件，两个所述侧部支撑件分别设于所述定位座的相对两侧，所述连接件与所述定位座之间滚动连接，所述连接件远离所述定位座的一侧与所述侧部支撑件之间转动连接，所述转动件与所述定位座之间转动连接，所述转动件远离所述定位座的一端与所述侧部支撑件之间转动连接；其中，所述定位座同侧的所述侧部支撑件与所述转动件之间滚动连接，或者所述侧部支撑件与所述定位座之间滚动连接，两个所述框体分别连接于所述转轴装置的两个所述转动机构的连接件，所述柔性件设置于所述折叠壳体上；当两个所述连接件相对于所述定位座滚动而相互靠拢时，两个所述转动件相对于所述定位座转动而相互靠拢，以使两个所述侧部支撑件相互折叠；当两个所述连接件相对于所述定位座滚动而相互远离时，两个所述转动件相对于所述定位座转动而相互远离，以使两个所述侧部支撑件相互展开。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请第一实施例中的电子设备的立体结构示意图；
图2是图1中的电子设备的折叠壳体及柔性件的立体结构分解示意图；
图3是图2中的折叠壳体的立体结构分解示意图；
图4是图3中的折叠壳体的另一视角的立体结构示意图；
图5是图3中的转轴装置的立体结构放大图；
图6是图5中的转轴装置的另一视角的立体结构示意图；
图7是图5中的转轴装置的立体结构分解示意图；
图8是图7中的转轴装置的另一视角的立体结构示意图；
图9是图7中的转轴装置的立体结构进一步分解示意图；
图10是图9中的转轴装置的另一视角的立体结构示意图；
图11是图9中的转轴装置的立体结构进一步分解示意图；
图12是图11中的转轴装置的另一视角的立体结构示意图；
图13是图2中的折叠壳体的侧面结构示意图；
图14是图2中的折叠壳体的其中一局部立体剖视图；
图15是图2中的折叠壳体的另一局部立体剖视图；
图16是图15中的折叠壳体的剖面结构示意图；
图17是图2中的折叠壳体的又一局部立体剖视图；
图18是图17中的折叠壳体的剖面结构示意图；
图19是图2中的折叠壳体的再一局部立体剖视图；
图20是图1中的电子设备处于完全弯折状态的立体结构示意图；
图21是图20中的折叠壳体的局部结构放大图；
图22是图21中的折叠壳体的侧部结构示意图；
图23是图21中的转轴装置的立体结构示意图；
图24是图23中的转轴装置的其中一立体剖视图；
图25是图23中的转轴装置的另一立体剖视图；
图26是图23中的转轴装置的又一立体剖视图；
图27是本申请第二实施例中的折叠壳体的立体结构示意图；
图28是图27中的折叠壳体的立体结构分解示意图；
图29是图28中的折叠壳体的另一视角的立体结构示意图；
图30是图28中的转轴装置的立体结构分解示意图；
图31是图29中的转轴装置的立体结构分解示意图；
图32是图27中的折叠壳体的其中一局部立体剖视图；
图33是图27中的折叠壳体的另一局部立体剖视图；
图34是图27中的折叠壳体的又一局部立体剖视图；
图35是图27中的折叠壳体的再一局部立体剖视图；
图36是图27中的折叠壳体处于完全弯折状态的立体结构示意图；
图37是图36中的折叠壳体的其中一局部立体剖视图；
图38是图36中的折叠壳体的另一局部立体剖视图；
图39是图36中的折叠壳体的又一局剖立体剖视图。
主要标号说明：
100、电子设备；20、折叠壳体；21、框体；211、正面；213、背面；214、侧面；215、端面；216、
收容槽；22、转轴装置；23、支撑组件；233、侧部支撑件；2330、第二转动槽；2331、第三滚动槽；2331a、第三限位段；2331b、第四限位段；2331c、连通段；2333、延伸条；2334、导滑块；2335、侧部支撑板；2336、第二滚动槽；2336a、第一限位段；2336b、第二限位段；2337、限位块；2338、避位口；25、转动组件；250、定位座；2501、第一滚动槽；2502、第一定位段；2504、第二定位段；2505、圆弧段；251、座体；2511、正面；2512、背面；2513、侧面；2514、端面；2516、第一转动槽；2518、第三滚动部；2519、凸耳；252、端盖；253、连接件；2530、第一滚动部；2532、第二转动部；2533、固定部；2535、连接部；2565、转轴；2535a、固定块；2535b、延伸条；2536、轴孔；2537、转动块；2538、避位槽；256、转动件；2562、第一转动部；2564、第二滚动部；2566、支撑部；2567、连接部；2568、第一连接孔；2569、第二连接孔；28、背盖；280、收容槽；30、柔性件；31、可折弯区域；33、非折弯区域。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有付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。
此外，以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请中所提到的方向用语，例如，“上”、“下”、“前”、“后”、“左”、“右”、“内”、“外”、“侧面”等，仅是参考附加图式的方向，因此，使用的方向用语是为了更好、更清楚地说明及理解本申请，而不是指示或暗指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。用语“自然状态”是指，装置或元件在不受外部力的状态，外部力例如拉力或压力等。
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”、“设置在……上”应做广义理解，例如，可以是固定连接，也可以是可拆卸地连接，或者一体地连接；可以是机械连接；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。
一方面，本申请提供一种转轴装置，所述转轴装置包括：
支撑组件，所述支撑组件包括两个侧部支撑件；以及
转动组件，所述转动组件包括定位座、设于所述定位座的相对两侧的两个连接件、以及设于所述定位座的相对两侧的两个转动件，两个所述侧部支撑件分别设于所述定位座的相对两侧，所述连接件与所述定位座之间滚动连接，所述连接件远离所述定位座的一侧与所述侧部支撑件之间转动连接，所述转动件与所述定位座之间转动连接，所述转动件远离所述定位座的一端与所述侧部支撑件之间转动连接；
其中，所述定位座同侧的所述侧部支撑件与所述转动件之间滚动连接，或者所述侧部支撑件与所述定位座之间滚动连接；当两个所述连接件相对于所述定位座滚动而相互靠拢时，两个所述转动件相对于所述定位座转动而相互靠拢，以使两个所述侧部支撑件相互折叠；当两个所述连接件相对于所述定位座滚动而相互远离时，两个所述转动件相对于所述定位座转动而相互远离，以使两个所述侧部支撑件相互展开。
可选地，所述座体的其中一端面设有第一滚动槽，所述连接件包括设有第一滚动部的连接部，所述第一滚动部滚动地插设于所述第一滚动槽。
可选地，所述定位座包括座体，所述连接件包括连接部，所述连接部面朝所述座体的侧面设有第一滚动槽，所述座体上设有可滚动地插设于所述第一滚动槽中的第一滚动部。
可选地，所述第一滚动槽为弧形槽，所述第一滚动部为可滚动地插设于所述弧形槽中的第一滚动杆，所述弧形槽向背离所述座体的正面一侧弯曲，所述第一滚动槽的轴心线平行于所述转动件与所述定位座之间的第一转动轴心线。
可选地，所述第一滚动槽包括位于其相对两端的第一定位段及第二定位段，所述第一定位段相较于所述第二定位段更靠近所述座体的中部；当两个所述侧部支撑件呈展平状态时，所述第一滚动杆定位于所述第一定位段；当两个所述侧部支撑件呈折叠状态时，所述第一滚动杆定位于所述第二定位段。
可选地，所述座体的其中一端面的相对两侧分别设有第一滚动槽，两个所述滚动槽对称设置，两个所述连接件的第一滚动部分别滚动地容置于两个所述第一滚动槽中。
可选地，所述转动件与所述座体之间通过第一转动槽与第一转动部的配合转动连接，所述第一转动槽为设于所述座体的第一圆弧槽，所述第一圆弧槽向背离所述座体的正面一侧弯曲，所述转动件与所述定位座之间的第一转动轴心线与所述第一圆弧槽的轴心线共线，所述第一转动部为设于所述连接件一端 的圆弧片，所述圆弧片可转动地插设于所述第一圆弧槽。
可选地，所述第一转动槽位于所述座体背离所述第一滚动槽的端面，所述第一转动槽的相对两侧分别穿通所述座体的正面和侧面。
可选地，所述连接件还包括固定部，所述连接部连接于所述固定部靠近所述定位座的一侧，所述转动件远离所述定位座的一端与所述固定部之间通过转轴与轴孔的配合转动连接，所述固定部远离所述定位座的一侧设有所述轴孔，所述转动件与所述连接件之间的第二转动轴心线与所述轴孔的轴心线共线，所述转动件远离所述定位座的一端设有所述转轴，所述转轴可转动地穿设于所述轴孔。
可选地，所述侧部支撑件与所述固定部之间通过第二转动槽与第二转动部的配合转动连接，所述第二转动槽为设于所述侧部支撑件的第二圆弧槽，所述侧部支撑件与所述固定部之间的第二转动轴心线与所述第二圆弧槽的轴心线共线，所述第二转动部为设于所述固定部的圆弧轨，所述圆弧轨可转动地插设于所述圆弧槽。
可选地，所述侧部支撑件包括设于所述侧部支撑板背面的导滑块，所述第二转动槽开设于所述导滑块的侧面。
可选地，所述侧部支撑件与所述转动件之间通过第二滚动槽与第二滚动部的配合滚动地连接，所述第二滚动槽设于所述侧部支撑件，所述第二滚动部为设于所述转动件的第二滚动杆，所述第二滚动杆的轴心线平行于所述转动件与所述定位座之间的第一转动轴心线。
可选地，所述侧部支撑件与所述转动件之间通过第二滚动槽与第二滚动部的配合滚动地连接，所述侧部支撑件的背面凸设限位块，所述第二滚动槽设于所述转动件的连接部面朝所述限位块的侧面，所述侧部支撑件的限位块设有能滚动地插设于所述第二滚动槽的所述第二滚动部。
可选地，所述第二滚动槽背离所述侧部支撑件的正面向远离所述定位座的一侧倾斜延伸，所述第二滚动槽包括位于其相对两端的第一限位段及第二限位段；当两个所述侧部支撑件呈展平状态时，所述第二滚动杆定位于所述第一限位段；在两个所述侧部支撑件呈完全折叠状态时，所述第二滚动杆定位于所述第二限位段。
可选地，所述侧部支撑件与所述定位座之间通过第三滚动槽与第三滚动部的配合滚动连接，所述侧部支撑件包括侧部支撑板及连接于所述侧部支撑板面朝所述定位座一侧的延伸条，所述第三滚动槽设于所述延伸条，所述第三滚动部为设于所述定位座的第三滚动杆，所述第三滚动杆的轴心线平行于所述转动件与所述定位座之间的第一转动轴心线，所述第三滚动杆滚动地插设于所述第三滚动槽。
可选地，所述第三滚动槽为弧形槽，所述弧形槽向背离所述定位座的正面一侧弯曲，所述第三滚动槽包括位于其相对两侧的第三限位段和第四限位段，所述第三限位段相较于所述第四限位段更靠近所述侧部支撑板；当两个所述侧部支撑件呈展平状态时，所述第三滚动杆定位于所述第三限位段；当两个所述侧部支撑件呈折叠状态时，所述第三滚动杆定位于所述第四限位段。
可选地，所述座体背离所述第一滚动槽的一端设有凸耳，所述凸耳从所述座体的侧部向远离所述座体的一侧延伸，所述第三滚动杆的一端连接于所述凸耳背离所述第一滚动槽的一侧。
可选地，两个所述连接件在沿所述转轴装置的折叠轴心线方向上错位设置，和/或两个所述转动件在沿所述转轴装置的折叠轴心线方向上错位设置。
本申请还提供一种折叠壳体，其包括前述的转轴装置及两个框体，所述转轴装置位于两个所述框体之间，所述转轴装置包括支撑组件及转动组件，所述支撑组件包括两个侧部支撑件；所述转动组件包括定位座、设于所述定位座的相对两侧的两个连接件，以及设于所述定位座的相对两侧的两个转动件，两 个所述侧部支撑件分别设于所述定位座的相对两侧，所述连接件与所述定位座之间滚动连接，所述连接件远离所述定位座的一侧与所述侧部支撑件之间转动连接，所述转动件与所述定位座之间转动连接，所述转动件远离所述定位座的一端与所述侧部支撑件之间转动连接；其中，所述定位座同侧的所述侧部支撑件与所述转动件之间滚动连接，或者所述侧部支撑件与所述定位座之间滚动连接，两个所述框体分别连接于所述转轴装置的两个所述转动机构的连接件；当两个所述连接件相对于所述定位座滚动而相互靠拢时，两个所述转动件相对于所述定位座转动而相互靠拢，以使两个所述侧部支撑件相互折叠；当两个所述连接件相对于所述定位座滚动而相互远离时，两个所述转动件相对于所述定位座转动而相互远离，以使两个所述侧部支撑件相互展开。
本申请还提供一种电子设备，所述电子设备包括柔性件及前述的折叠壳体，所述折叠壳体包括前述的转轴装置及两个框体，所述转轴装置位于两个所述框体之间，所述转轴装置包括支撑组件及转动组件，所述支撑组件包括两个侧部支撑件；所述转动组件包括定位座、设于所述定位座的相对两侧的两个连接件，以及设于所述定位座的相对两侧的两个转动件，两个所述侧部支撑件分别设于所述定位座的相对两侧，所述连接件与所述定位座之间滚动连接，所述连接件远离所述定位座的一侧与所述侧部支撑件之间转动连接，所述转动件与所述定位座之间转动连接，所述转动件远离所述定位座的一端与所述侧部支撑件之间转动连接；其中，所述定位座同侧的所述侧部支撑件与所述转动件之间滚动连接，或者所述侧部支撑件与所述定位座之间滚动连接，两个所述框体分别连接于所述转轴装置的两个所述转动机构的连接件，所述柔性件设置于所述折叠壳体上；当两个所述连接件相对于所述定位座滚动而相互靠拢时，两个所述转动件相对于所述定位座转动而相互靠拢，以使两个所述侧部支撑件相互折叠；当两个所述连接件相对于所述定位座滚动而相互远离时，两个所述转动件相对于所述定位座转动而相互远离，以使两个所述侧部支撑件相互展开。
请一并参阅图1至图4，本发明第一实施例中的电子设备100包括折叠壳体20及设置于折叠壳体20上的柔性件30。柔性件30可为柔性显示屏、柔性触摸屏、柔性触摸显示屏等各种具备相应功能的柔性部件，或者为固定贴合有柔性支撑板的柔性部件，如贴合有柔性钢板的柔性显示屏、柔性触摸屏等。柔性件30能随折叠壳体20折弯或展平。折叠壳体20包括两个框体21及连接于两个框体21之间的转轴装置22，两个框体21能随转轴装置22折叠或展平。柔性件30包括对应转轴装置22的可折弯区域31，以及连接于可折弯区域31相对的两侧的两个非折弯区域33。柔性件30的两个非折弯区域33可分别固定在两个框体21的正面，可折弯区域31覆盖于转轴装置22的正面。柔性件30的可折弯区域31能随转轴装置22折弯或展平。
如图3-图12所示，转轴装置22包括支撑组件23及转动组件25，支撑组件23包括设于转动组件25的相对两侧的两个侧部支撑件233，两个侧部支撑件233能相互折弯或展平。转动组件25包括定位座250、设于定位座250的相对两侧的两个连接件253，以及设于定位座250的相对两侧的两个转动件256，两个侧部支撑件233分别设于定位座250的相对两侧；每一连接件253与定位座250之间滚动连接，连接件253远离定位座250的一侧与位于定位座250同侧的侧部支撑件233之间转动连接，每一转动件256与定位座250之间转动连接，转动件256远离定位座250的一端与位于定位座250同侧的侧部支撑件233之间转动连接；侧部支撑件233与位于定位座250同侧的转动件256之间滚动连接。当两个连接件253相对于定位座250滚动而相互靠拢时，两个转动件256相对于定位座250转动而相互靠拢，以使两个侧部支撑件233相互折叠，可折弯区域31随两个侧部支撑件233折弯；当两个连接件253相 对于定位座250滚动而相互远离时，两个转动件256相对于定位座250转动而相互远离，以使两个侧部支撑件233相互展开，可折弯区域31随两个侧部支撑件233展平。当两个侧部支撑件233呈展平状态时，两个侧部支撑件233的正面与定位座250的正面共面，便于柔性件30贴合于定位座250和侧部支撑件233的正面。当两个侧部支撑件233呈完全折叠状态时，两个侧部支撑件233的正面和定位座250的正面围成横截面呈水滴形或U形的空间，可折弯区域31弯曲成水滴形或U形容置于所述空间中。本实施例中，两个侧部支撑件233的正面和定位座250的正面能围成横截面呈水滴形的空间，可折弯区域31弯曲成水滴形容置于所述空间中。本实施例中转动组件25中的两个连接件253关于定位座250的中心线对称，两个转动件256关于定位座250的中心线对称。在一些实施例中，转动组件25中的两个连接件253也可以不对称设置，如两个连接件253在沿转轴装置22的折叠轴心线方向上错位设置；转动组件25中的两个转动件256也可以不对称设置，如两个转动件256在沿转轴装置22的折叠轴心线方向上错位设置。
转轴装置22可以包括一个支撑组件23和设于支撑组件23的背面的一个转动组件25，可选地，一个转动组件25设于支撑组件23的中部。在一些实施例中，转轴装置22可以包括一个支撑组件23和设于支撑组件23的背面的两个转动组件25，可选地，两个转动组件25分别设于支撑组件23的相对两端。在一些实施例中，转轴装置22可以包括一个支撑组件23和设于支撑组件23的背面的三个或三个以上的转动组件25，可选地，三个或三个以上的转动组件25沿转轴装置22的折叠轴心线方向均匀间隔排列。在一些实施例中，支撑组件23还包括设于两个侧部支撑件233之间的中部支撑件，当支撑组件23呈展平状态时，两个侧部支撑件233的正面和中部支撑件的正面共面，柔性件30的可折弯区域31覆盖于中部支撑件的正面和侧部支撑件233的正面；当支撑组件23呈完全折叠状态时，两个侧部支撑件的正面和中部支撑件的正面围成横截面呈水滴形或U形的空间。
电子设备100的两个框体21分别连接于转轴装置22的两个连接件253，框体21带动连接件253相对于定位座250滚动，连接件253带动转动件256相对于定位座250转动，以使得两个侧部支撑件233随连接件253及转动件256实现折弯或展开，柔性件30随支撑组件23折弯或展平，可折弯区域31可以弯折形成水滴形。
本实施例中，正面指与柔性件30的出光面朝向相同的面，背面指与柔性件30的出光面朝向背离的面。电子设备100例如是，但不局限于手机、平板电脑、显示器、液晶面板、OLED面板、电视、智慧手表、VR头戴显示器、车载显示器等其它任何具有显示功能的产品和部件。本发明实施例的描述中的“连接”是包括直接连接和间接连接两种情况，比如A和B连接包括A和B直接连接，或者通过第三个元件C或更多的其他元件连接。连接还包括一体化连接和非一体化连接两种情况，一体化连接是指A和B是一体形成并连接，非一体化连接是指A和B是非一体化形成并连接；“滚动连接”指两个运动件既有位移变化，又有角度变化，比如轴体沿连接槽移动且相对于连接槽转动；“转动连接”指两个运动件绕着轴线转动，如第一运动件相对于第二运动件绕轴线转动；“滑动连接”指两个运动件平行运动，只有位移变化，没有角度变化，如第一运动件沿其中一方向相对于第二运动件位移。
本发明的电子设备100的转轴装置22包括支撑组件23及转动组件25，转动组件25的连接件253的一端与定位座250滚动连接，即连接件253与定位座250滑动并转动地连接，连接件253远离定位座250的另一端固定连接于对应的框体21；转动件256的相对两端分别与定位座250及对应的连接件253 转动连接，定位座250同侧的侧部支撑件233与连接件253转动连接，且侧部支撑件233与转动件256滚动连接，即转动件256与侧部支撑件233滑动并转动地连接。在两个框体21相互靠近或相互远离过程中，框体21带动连接件253相对于定位座250滚动，连接件253带动转动件256相对于定位座250转动，连接件253的滚动和转动件256的转动带动两个侧部支撑件233相互折叠或相互展开，从而实现柔性件30的折叠或展平。首先，相较现有技术中的连接件一般转动地连接于定位座，本申请中的连接件253与定位座250之间滚动连接，侧部支撑件233与转动件256之间也滚动连接，使得转动组件25的各个元件连接紧凑，转轴装置22的整体宽度较小，从而减小转轴装置22占用折叠壳体20的内部空间，不仅有利于主板或电池等其他元件的布局，且有利于小型化发展；其次，本申请的转轴装置22的结构简单，制造成本较低。
如图2-图4所示，框体21包括正面211、背面213、相对的两侧面214及两端面215，转轴装置22连接于两个框体21相邻的两个端面215之间，柔性件30的可折弯区域31贴附于转轴装置22的正面，柔性件30的非折弯区域33连接于框体21的正面211。每一框体21朝向转轴装置22的端面215设有收容槽216，收容槽216穿通框体21的正面211，收容槽216相对的两端分别延伸至框体21相对的两侧面214。转轴装置22相对的两侧分别容置于两个框体21的收容槽216中，且每一连接件253与对应的框体21固定连接。框体21的背面213设有若干收容空间(图中未示)，收容空间用于安装电路板、电池等电子器件。
请一并参阅图5-图12，连接件253与定位座250之间通过第一滚动槽与第一滚动部的配合滚动地连接，所述第一滚动槽设于定位座250和连接件253中的一者，所述第一滚动部设于定位座250和连接件253中的另一者。本实施例中，连接件253包括第一滚动部2530，定位座250设有第一滚动槽2501，第一滚动部2530滚动地容置于第一滚动槽2501。具体地，定位座250包括呈矩形的座体251,座体251包括正面2511、背离正面2511的背面2512、相对的两侧面2513及相对的两端面2514，座体251的其中一端面2514设有第一滚动槽2501；本实施例中，座体251的其中一端面2514的相对两侧分别设有第一滚动槽2501，即两个滚动槽2501对称设置，两个连接件253的第一滚动部2530分别滚动地容置于两个第一滚动槽2501中。
第一滚动槽2501为弧形槽，所述弧形槽向背离座体251的正面2511一侧弯曲，第一滚动槽2501的轴心线平行于转动件256与定位座250之间的第一转动轴心线L1。两个连接件253的第一滚动部2530分别在两个第一滚动槽2501中滚动以实现两个连接件253的折叠或展平。第一滚动槽2501包括位于其相对两端的第一定位段2502及第二定位段2504，以及位于第一定位段2502与第二定位段2504之间的圆弧段2505，第一定位段2502相较于第二定位段2504更靠近座体251的中部，圆弧段2505向背面2512的一侧弯曲；当两个侧部支撑件253呈展平状态时，第一滚动部2530定位于第一定位段2502；当两个侧部支撑件253呈折叠状态时，第一滚动部2530定位于第二定位段2504；在两个侧部支撑件253的折叠过程中，第一滚动部2530从第一定位段2502经圆弧段2505滚动至第二定位段2504；在两个侧部支撑件253的展平过程中，第一滚动部2530从第二定位段2504经圆弧段2505滚动至第一定位段2502。本实施例中，两个第一滚动槽2501的第一定位段2502相互靠拢，两个第二定位段2504相互远离，从而减少两个第一滚动槽2501占用座体251在宽度上的空间，以减少座体251的宽度，有利于转轴装置22的小型化。
在一些实施例中，两个第一滚动槽2501可以错位设置，从而能进一步减少两个第一滚动槽2501占用座体251在宽度上的空间，以进一步减少座体251的宽度，有利于转轴装置22的小型化。
转动件256与座体251之间通过第一转动槽与第一转动部的配合转动连接，所述第一转动槽设于转动件256和座体251中的一者，所述第一转动部设于转动件256和座体251中的另一者。本实施例中，座体251设有第一转动槽2516，转动件256包括第一转动部2562，第一转动部2562转动地容置于第一转动槽2516中。具体地，座体251背离第一滚动槽2501的端面2514的相对两侧分别设有第一转动槽2516，两个转动件256的第一转动部2562分别转动地容置于两个第一转动槽2516中；可选地，两个第一转动槽2516对称设置，两个第一转动槽2516相互靠拢。两个转动件256在相互折叠或相互展平的过程中，两个第一转动部2562分别在两个第一转动槽2516中转动。
第一转动槽2516为设于座体251的第一圆弧槽，所述第一圆弧槽向背离座体251的正面2511一侧弯曲，转动件256与定位座250之间的第一转动轴心线L1与对应的第一圆弧槽的轴心线共线，即座体251同侧的转动件256与座体251之间的第一转动轴心线L1与第一圆弧槽的轴心线共线；第一转动部2562为设于连接件253一端的圆弧片，所述圆弧片可转动地插设于所述第一圆弧槽。具体地，第一转动槽2516的相对两侧分别穿通座体251的正面2511和相邻的侧面2513，且侧面2513设有连通对应的第一转动槽2516的避位槽，所述避位槽方便第一转动部2562沿对应的第一转动槽2516转动。可选地，两个第一转动槽2516的相邻处均穿通座体251的正面2511且相互连通，从而使得两个第一转动槽2516相互靠拢而减少座体251的体积，有利于转轴装置22的小型化。
在一些实施例中，两个第一转动槽2516可以错位设置，从而能进一步减少两个第一转动槽2516占用座体251在宽度上的空间，以进一步减少座体251的宽度，有利于转轴装置22的小型化。在一些实施例中，定位座250上的第一转动槽2516与转动件256上的第一转动部2562可以互换。如：可以在第一转动部2562上设有圆弧槽，在定位座250上设有对应圆弧槽的圆弧轨，圆弧轨可转动地插设于圆弧槽中，圆弧槽的轴心线、圆弧轨的轴心线，以及第一转动件256与定位座250之间的第一转动轴心线L1共线。
定位座250还包括端盖252，端盖252用于连接至座体251，以防止转动件256的第一转动部2562脱离第一转动槽2516；具体地，端盖252的端面与座体251的端面2514相同，端盖252的端面连接于座体251设有第一转动槽2516的端面2514；端盖252与座体251的连接方式可以采用但不限于卡接、螺接、胶接或一体成型等。
在一些实施例中，座体251也可以通过相互连接的第一连接件与第二连接件组成，所述第一连接件设有两个第一槽，所述第二连接件设有两个第二槽，当第一连接件与第二连接片连接于一体时，两个第一槽分别与两个第二槽配合围成两个第一转动槽2516。
如图9-图12所示，连接件253还包括固定部2533及连接部2535,固定部2533用于连接至框体21的收容槽216中，连接部2535连接于固定部2533靠近座体251的一侧，第一滚动部2530设于连接部2535远离固定部2533的一端。具体地，固定部2533为矩形的固定板，连接部2535包括设于固定部2533的正面的固定块2535a及连接于固定块2535a的延伸条2535b，延伸条2535b从固定块2535a朝向座体251的一侧延伸，第一滚动部2530设于延伸条2535b远离固定块2535a的一端；也就是第一滚动杆设于延伸条2535b远离固定块2535a的一端，当第一滚动部2530插设于对应的第一滚动槽2501中时，第一 滚动杆的轴心线平行于转动件256与定位座250之间的第一转动轴心线L1。可选地，固定块2535a位于固定部2533的正面的一端。
定位座250同侧的侧部支撑件233与连接件253之间通过第二转动槽与第二转动部的配合转动连接，该第二转动槽设于侧部支撑件233和连接件253中的一者，该第二转动部设于侧部支撑件233和连接件253中的另一者。本实施例中，侧部支撑件233设有第二转动槽2330，连接件253的固定部2533靠近连接部2535的一端设有第二转动部2532，第二转动部2532可转动地容置于第二转动槽2330中。第二转动部2532为设于固定部2533的圆弧轨，所述圆弧轨向靠近固定部2533的背面的一侧弯曲；具体地，连接部2535的正面端部凸设一凸片，第二转动部2532为设于所述凸片的圆弧轨；第二转动槽2330为设于侧部支撑件233的第二圆弧槽，所述圆弧轨可转动地插设于所述第二圆弧槽中。
本实施例中，侧部支撑件233包括矩形的侧部支撑板2335及设于侧部支撑板2335背面的导滑块2334，侧部支撑板2335包括正面及背朝正面的背面，导滑块2334设于侧部支撑板2335的背面远离定位座250的一侧。具体地，导滑块2334为弧形块，第二转动槽2330开设于导滑块2334的侧面；第二转动槽2330的一端贯穿导滑块2334背离定位座250的表面，第二转动槽2330相对的另一端延伸至侧部支撑板2335的背面。第二转动槽2330向远离侧部支撑板2335的背面的一侧弯曲，具体地，第二转动槽2330的中部向远离侧部支撑板2335的背面的一侧弯曲。侧部支撑件233对应连接件253的至少一端部设有导滑块2334，导滑块2334面朝连接件253的侧面设有第二转动槽2330，连接件253的面朝导滑块2334的端面设有第二转动部2532，第二转动部2532可滑动地容置于第二转动槽2330中。
进一步地，所述第二圆弧槽设于导滑块2334面朝连接件253的侧面；侧部支撑件233与连接件253之间的第三转动轴心线L3与所述第二圆弧槽的轴心线共线，转动件256与定位座250之间的第一转动轴心线L1平行于所述第二圆弧槽的轴心线。可选地，导滑块2334为设于侧部支撑板2335的背面远离定位座250的一侧的圆弧形块，该圆弧形块的圆弧面朝向定位座250，第二圆弧槽设于圆弧形块的侧面，第二圆弧槽与所述圆弧面共轴心线。
在一些实施例中，侧部支撑件233对应连接件253的一端设有导滑块2334，导滑块2334面对连接件253的端面设有圆弧轨，圆弧轨的轴心线与对应的第二转动轴心线L2共线；连接件253面朝导滑块2334的端面设有第二圆弧槽，圆弧轨可滑动地容置于两个第二圆弧槽。
侧部支撑板2335靠近定位座250的一侧设有对应连接部2535的避位口2338，在转轴装置22折叠或展平的过程中，连接部2535的延伸条2535b可以容置于避位口2338中，以避免侧部支撑板2335干拢转轴装置22折叠或展平。
侧部支撑件233与转动件256之间通过第二滚动槽与第二滚动部的配合滚动地连接，该第二滚动槽设于侧部支撑件233和转动件256中的一者，该第二滚动部设于侧部支撑件233和转动件256中的另一者。本实施例中，侧部支撑件233上设有第二滚动槽2336，转动件256还包括第二滚动部2564，第二滚动部2564可滚动地容置于第二滚动槽2336，即第二滚动部2564可滑动且可转动地容置于第二滚动槽2336中。第二滚动槽2336背离侧部支撑件233的正面向远离定位座250的一侧倾斜延伸，具体地，侧部支撑件233的背面凸设限位块2337，第二滚动槽2336设于限位块2337，第二滚动槽2336贯穿限位块2337相对的两侧面。可选地，限位块2337相较于导滑块2334更靠近定位座250，第二滚动槽2336自侧部支撑板2335的背面向远离定位座250的一侧倾斜延伸；可选地，限位块2337自侧部支撑板2335 的背面向远离定位座250的一侧倾斜延伸，第二滚动槽2336沿限位块2337的延伸方向延伸。
可选地，第二滚动槽2336包括位于其相对两端的第一限位段2336a、第二限位段2336b，以及连通第一限位段2336a和第二限位段2336b的连通段，第一限位段2336a较第二限位段2336b更远离定位座250。第二滚动部2564为设于转动件256的第二滚动杆，所述第二滚动杆可滚动地穿设于第二滚动槽2336，此时，该第二滚动杆的轴心线平行于转动件256与定位座250之间的第一转动轴心线L1。在转轴装置22在折叠或展平的过程中，第二滚动杆可以从第一限位段2336a经所述连通段位移至第二限位段2336b，或者第二滚动杆从第二限位段2336b经所述连通段位移至第一限位段2336a。在两个侧部支撑件233呈展平状态时，第二滚动杆定位于第一限位段2336a，以防止侧部支撑件233反折而损坏柔性件30；在两个侧部支撑件233呈完全折叠状态时，第二滚动杆定位于第二限位段2336b，以防止侧部支撑件233进一步折叠而损坏柔性件30。
转动件256远离定位座250的一端与固定部2533之间通过转轴与轴孔的配合转动连接，所述转轴设于固定部2533和转动件256中的一者，所述轴孔设于固定部2533和转动件256中的另一者，转动件256与固定部2533之间的第三转动轴心线L3与所述转轴的轴心线共线。本实施例中，固定部2533设有轴孔2536，转动件256包括转轴2565，转轴2565可转动地插设于轴孔2536中。具体地，固定部2533远离定位座250的一侧设有轴孔2536，转动件256与连接件253之间的第二转动轴心线L2与轴孔2536共线；转动件256远离定位座250的一端设有转轴2565，转轴2565可转动地穿设于轴孔2536。转动件256还包括连接于第一转动部2562一侧的支撑部2566及连接于支撑部2566背离第一转动部2562一端的连接部2567，第一转动部2562用于转动连接于定位座250的第一转动槽2516，转轴2565设于连接部2567，连接部2567通过转轴2565转动连接于固定部2533。第一转动部2562相对的两个圆弧面用于分别滑动地贴合于定位座250的第一转动槽2516相对的两个圆弧面。连接部2567远离第一转动部2562的一端沿平行于第一转动部2562与定位座250之间的第一转动轴心线L1方向设有第一连接孔2568及第二连接孔2569，第一连接孔2568相较于第二连接孔2569更靠近第一转动部2562，第二滚动部2564的一端穿设于第一连接孔2568，第二滚动部2564的另一端延伸出连接部2567背离固定部2533的一侧；转轴2565的一端穿设于第二连接孔2569，转轴2565的另一端延伸出连接部2567面朝固定部2533的一侧，转轴2565的轴心线与转动件256与连接件253之间的第二转动轴心线L2共线。本实施例中，支撑部2566为弧形条，支撑部2566相对的两端分别连接于第一转动部2562的一端部及连接部2567的一端部。可选地，连接部2567背离第一转动部2562的侧面形成圆弧面，有利于第一转动件256相对于连接件253转动。
固定部2533的正面靠近连接部2535远离定位座250的一侧设有转动块2537，轴孔2536开设于转动块2537背离第二转动部2532的侧面，轴孔2536的轴心线平行于第一滚动部2530的轴心线。可选地，转动块2537为设于固定部2533正面的套筒，该套筒的轴心线与第三转动轴心线L3共线，该套筒的内腔就是轴孔2536。可选地，固定部2533的正面远离第二转动部2532的一端设有避位槽2538，避位槽2538用于收容转动件256的连接部2567，即连接部2567在避位槽2538中能沿转轴2565的轴心线相对地固定部2533转动。
在一些实施例中，转轴2565也可以设于连接件253上，转轴2565可转动连接于转动件256的连接部2567。转轴2565可以与连接件253一体成型。在一些实施例中，第二滚动部2564可以与连接件253 一体成型。
如图7-图12所示，转轴装置22还包括背盖28，定位座250连接于背盖28。具体地，背盖28为条形框，背盖28具有收容槽280，定位座250容置于收容槽280中并固定连接于背盖28。可选地，背盖28于收容槽280的内表面上设有安装部(图中未示)，定位座250连接于所述安装部。定位座250与所述安装部之间的连接可以通过但不限于螺接、卡接或胶接等方式。
请一并参阅图5-图19，组装转轴装置22时，将两个转动件256的第一转动部2562分别容置于座体251的两个第一转动槽2516，具体地，将两个转动件256的第一转动部2562从座体251背离第一滚动槽2501的端面2514插入座体251的两个第一转动槽2516中；将端盖252固定连接于座体251背离第一滚动槽2501的端面2514，以防止两个第一转动部2562脱离座体251，此时，两个转动件256分别转动地连接于座体251；将两个转动件256分别连接于两个连接件253，具体地，将两个连接件253分别放置于定位座250的相对两侧，使两个转动件256的连接部2567分别容置于两个连接件253的避位槽2538，且两个转轴2565分别可转动地插设于两个轴孔2536中，两个连接件253的第一滚动部2530分别可滚动地插设于座体251的两个第一滚动槽2501。将两个侧部支撑件233分别设置于两个连接件253的正面，使两个连接件253的第二转动部2532分别可转动地插接于两个侧部支撑件233的第一转动槽2516中，且两个转动件256的第二滚动部2564分别可滚动地插接于两个侧部支撑件233的第二滚动槽2336中；将定位座250的背部容置于背盖28的收容槽280中，且使定位座250固定连接于背盖28。此时，转动件256的第一转动部2562能在对应的第一转动槽2516中沿第一转动轴心线L1相对于定位座250转动，转动件256的连接部2567能绕对应的转轴2565相对于连接件253转动，即转动件256沿第三转动轴心线L3相对于连接件253转动；连接件253的第一滚动部2530能在对应的第一滚动槽2501中滚动；连接件253的第二转动部2532可转动地容置于对应的第二转动槽2330中，即侧部支撑件233沿第二转动轴心线L2相对于连接件253转动，转动件256的第二滚动部2564可滚动地容置于对应的第二滚动槽2336中。第一转动轴心线L1、第二转动轴心线L2及第三转动轴心线L3相互平行，两个第一转动轴心线L1位于两个第二转动轴心线L2之间，两个第二转动轴心线L2位于两个第三转动轴心线L3之间。
当两个侧部支撑件233呈展平状态时，两个侧部支撑件233的正面与定位座250的正面共面，两个第一转动部2562分别可转动地容置于两个第一转动槽2516中，两个第一滚动部2530分别定位于定位座250的两个第一定位段2502，两个第二转动部2532分别可转动地容置于两个第二转动槽2330，两个第二滚动部2564分别定位于两个侧部支撑件233的两个第一限位段2336a。当连接件253相对于定位座250滚动时，即连接件253的第一滚动部2530在对应的第一滚动槽2501中滑动并转动，以带动转动件256的第一转动部2562相对于定位座250沿第一转动轴心线L1转动，且转动件256的连接部2567相对于连接件253沿第二转动轴心线L2转动，转动件256的第二滚动部2564在对应的第二滚动槽2336中滚动，连接件253的第二转动部2532在对应的第二转动槽2330中转动，以使两个侧部支撑件233相互折弯或相互展开。
如图19-图26所示，将转轴装置22由展平状态进行弯折时，其中一连接件253相对于定位座250向另一连接件253弯折，该其中一连接件253的第一滚动部2530在对应的第一滚动槽2501中从第一定位段2502滚动至第二定位段2504，该其中一连接件253带动对应的转动件256的第一转动部2562在定 位座250的第一转动槽2516中转动，且转动件256的连接部2567相对于对应的连接件253沿第二转动轴心线转动。同时，该其中一连接件253的第二转动部2532在对应的第二转动槽2330转动，且转动件256的第二滚动部2564在对应的第二滚动槽2336中从第一限位段2336a滚动至第二限位段2336b；采用上述相同的方法将另一连接件253相对于定位座250向其中一连接件253弯折，使两个连接件253相互靠拢及两个转动件256相互靠拢，以带动两个侧部支撑件233相互靠拢，直至两个侧部支撑件233与定位座250围成横截面成水滴状。
在侧部支撑件233相对于定位座250折弯过程中，第一滚动部2530自对应的第一滚动槽2501的第一定位段2502经圆弧段2505滚动至第二定位段2504，第一转动部2562在对应的第一转动槽2516中转动，第二滚动部2564自对应的第二滚动槽2336的第一限位段2336a经连通段滚动至第二限位段2336b，且第二转动部2532在对应的第二转动槽2330中转动。同时，定位座250相对两侧的转动件256及连接件253相互靠拢，使得定位座250的相对两侧的侧部支撑件233相互靠拢，直至两个侧部支撑件233的正面与定位座250的正面围成横截面成水滴状的空间。
在其他的使用方式中，可以将两个连接件253朝相向方向一同转动，两个连接件253的第一滚动部2530分别在两个第一滚动槽2501中自第一定位段2502经圆弧段2505滚动至第二定位段2504，使得两个连接件253相互靠拢，以带动两个转动件256相对于定位座250转动而相互靠拢，即两个第一转动部2562分别在两个第一转动槽2516中转动，每一转动件256相对于对应的连接件253转动。同时，两个连接件253的第二转动部2532分别在两个侧部支撑件233的第二转动槽2330中转动，且两个转动件256的第二滚动部2564分别在两个侧部支撑件233中的第一限位段2336a经连通段滚动至第二限位段2336b，由此带动两个侧部支撑件233相互靠拢，直至两个侧部支撑件233与定位座250围成横截面成水滴状。
将转轴装置22由弯曲状态进行展平时，其中一连接件253相对于定位座250朝远离另一连接件253展开，该其中一连接件253的第一滚动部2530在对应的第一滚动槽2501中从第二定位段2504经圆弧段2505滚动至第一定位段2502,该其中一连接件253带动对应的转动件256的第一转动部2562在定位座250的第一转动槽2516中转动，且转动件256相对于对应的连接件253转动。同时，该其中一连接件253的第二转动部2532在对应的第二转动槽2330转动，且转动件256的第二滚动部2564在对应的第二滚动槽2336中从第二限位段2336b经连通段滚动至第一限位段2336a；采用上述相同的方法将另一连接件253相对于定位座250向远离其中一连接件253展平，使两个连接件253相互展平及两个转动件256相互展平，以带动两个侧部支撑件233相互展开，直至两个侧部支撑件233与定位座250呈展平状。
在侧部支撑件233相对于定位座250展平过程中，第一滚动部2530自对应的第一滚动槽2501的第二定位段2504经圆弧段2505滚动至第一定位段2502，第一转动部2562在对应的第一转动槽2516中转动，第二滚动部2564自对应的第二滚动槽2336的第二限位段2336b经连通段滚动至第一限位段2336a，且第二转动部2532在对应的第二转动槽2330中转动。同时，定位座250相对两侧的转动件256及连接件253相互展开，使得定位座250的相对两侧的侧部支撑件233相互展开，直至两个侧部支撑件233顺利展平，使两个侧部支撑件233的正面与定位座250的正面共面。
在其他的使用方式中，可以将两个连接件253朝相互远离的方向一同转动，两个连接件253的第一滚动部2530分别在两个第一滚动槽2501中自第二定位段2504经圆弧段2505滚动至第一定位段2502，使得两个连接件253相互展开，以带动两个转动件256相对于定位座250转动而相互展开，即两个第一 转动部2562分别在两个第一转动槽2516中转动，且每一转动件256相对于对应的连接件253转动。同时，两个连接件253的第二转动部2532分别在两个侧部支撑件233的第二转动槽2330中转动，且两个转动件256的第二滚动部2564分别在两个侧部支撑件233中的第二限位段2336b经连通段滚动至第一限位段2336a；由此带动两个侧部支撑件233相互远离，直至两个侧部支撑件233的正面与定位座250的正面齐平。
在一些实施例中，连接件253上的第一滚动部2530与定位座250上对应的第一滚动槽2501可以互换，也就是第一滚动部2530可以设于定位座250上，第一滚动槽2501可以设于连接件253上。具体地，可以在连接件253的连接部2535面朝座体251的侧面设有第一滚动槽2501，在座体251上设有可滚动地插设于第一滚动槽2501中的第一滚动部2530，在转轴装置22弯折或展开的过程中，第一滚动部2530在第一滚动槽2501中滑动并转动。
在一些实施例中，转动件256上的第二滚动部2564与对应的侧部支撑件233上的第二滚动槽2336可以互换，也就是第二滚动部2564可以设于侧部支撑件233上，第二滚动槽2336可以设于转动件256上。具体地，可以在转动件256的连接部2567面朝限位块2337的侧面设有第二滚动槽2336，在侧部支撑件233的限位块2337设有能滚动地插设于第二滚动槽2336的第二滚动部2564，在转轴装置22弯折或展开的过程中，第二滚动部2564在第二滚动槽2336滑动并转动。
请一并参阅图1-图4，将安装完成的转轴装置22置于两个框体21之间，将背盖28相对两侧的连接件253分别容置于两个框体21的收容槽216中，并将两个连接件253分别固定连接于两个框体21。此时，两个框体21的正面211、两个侧部支撑件233的正面及定位座250的正面共面。将柔性件30的背面连接于两个框体21的正面211及转轴装置22的正面，具体地，可折弯区域31贴合于转轴装置22的正面，两个非折弯区域33分别贴合于两个框体21的正面。当柔性件30处在展平状态时，定位座250的正面与两个侧部支撑件233的正面齐平；由于侧部支撑件233的正面与定位座250的正面共面，因此，柔性件30在展平时不会受到段差处的冲击，柔性件30不会出现彩点、亮点等不良问题，保证柔性件30的可靠性，同时，也提升柔性件30的触摸手感，提高用户使用体验；另外，连接件253与定位座250之间通过第一滚动槽与第一滚动部配合滚动连接，转动件256与侧部支撑件233之间通过第二滚动槽与第二滚动部配合滚动连接，转动件256与定位座250之间通过第一转动部与第一转动槽配合转动连接，连接件253与对应的侧部支撑件233之间通过第二转动部与第二转动槽配合转动连接；因此，能使转轴装置22中各元件间的连接更紧凑，从而减小转轴装置22的整体宽度，降低占用壳体20的内部空间，有利于主板或电池等其他元件的布局，有利于电子设备100的小型化。
请一并参阅图20-图26，弯折电子设备100时，对电子设备100的两个框体21中的至少其中一个施加折弯的力，使连接于两个框体21的连接件253朝相互邻近的方向转动，通过转轴装置22的折弯实现折叠壳体20的折弯，柔性件30的可折弯区域31随转轴装置22弯折。具体地，如对其中一框体21施加折弯的力，该框体21带动对应的连接件253相对于定位座250滚动向靠近柔性件30的一侧移动，连接件253带动对应的转动件256相对于定位座250转动向另一转动件256靠拢；同时，连接件253和转动件256带动对应的侧部支撑件233向另一侧部支撑件233靠拢。采用上述相同的方法将另一框体21施加折弯的力，使连接于所述另一框体21的连接件253相对于定位座250滚动向其中一连接件253靠拢，使两个转动件256相互靠拢，以带动两个侧部支撑件233相互靠拢，直至两个侧部支撑件233与 定位座250围成横截面成水滴状；柔性件30的可折弯区域31随转轴装置22弯折，直至柔性件30的两个非折弯区域33的正面相互贴合，可折弯区域31弯折成水滴状，从而实现电子设备100的无缝折叠。
在弯折电子设备100的过程中，柔性件30的可折弯区域31弯折围成水滴形，减少弯折后的可折弯区域31的占空比，从而能减小电子设备100的整体厚度。在对电子设备100的其他折弯方式中，还可以同时对两个框体21施加折弯的力，两个框体21分别带动两个连接件253向靠近柔性件30的一侧转动，并通过转轴装置22以实现电子设备100的折弯。
当需要展平电子设备100时，向外拉开其中一框体21，使连接于两个框体21上的两个连接件253朝相互远离的方向转动。具体地，对电子设备100的其中一框体21施加向外拉开的力，该框体21带动对应的连接件253相对于定位座250滚动向远离柔性件30的一侧移动；同时，连接件253和转动件256带动对应的侧部支撑件233向另一侧部支撑件233远离。采用上述相同的方法将另一框体21施加向外拉开的力，使连接于所述另一框体21的连接件253相对于定位座250滚动远离其中一连接件253展开，以使相对两侧的连接件253及转动件256相对于定位座250转动而相互展开，以带动两个侧部支撑件233相互展开，直至两个侧部支撑件233与定位座250呈展平状，柔性件30的可折弯区域31随转轴装置22展开，直至柔性件30展平。
在对电子设备100的其他展平方式中，还可以同时对两个框体21施加向外拉开的力，两个框体21分别带动两个连接件253相对于向远离柔性件30的一侧转动，并通过转轴装置22以实现电子设备100的展开。
本发明的电子设备100通过转轴装置22实现折弯或展开，由于连接件253与定位座250之间通过第一滚动槽2501与第一滚动部2530的配合滚动连接、转动件256与侧部支撑件233之间通过第二滚动槽2336与第二滚动部2564、连接件253的第二转动部2532转动地容置于对应的第二转动槽2330，以及转动件256的第一转动部2562转动地容置于对应的第一转动槽2516；因此，能使转轴装置22中各元件间的连接更紧凑，从而减小转轴装置22的整体宽度，降低占用壳体20的内部空间，有利于主板或电池等其他元件的布局；其次，转轴装置22的结构牢固，提升电子设备100的整机强度。
请一并参阅图27-图31，本申请的第二实施例中的折叠壳体20a的结构与第一实施例中的折叠壳体20的结构相似，不同之处在于：第二实施例中的折叠壳体20a的侧部支撑件233a与定位座250a之间通过滚动连接取代第一实施例中的折叠壳体20的侧部支撑件233与转动件256之间的滚动连接。具体地，第二实施例中的侧部支撑件233a与定位座250a之间通过第三滚动槽与第三滚动部的配合滚动地连接，所述第三滚动槽设于侧部支撑件233a和定位座250a中的一者，所述第三滚动部设于侧部支撑件233a和定位座250a中的另一者。
在第二实施例中，定位座250a的一端相对两侧分别设有第三滚动部2518，两个侧部支撑件233a分别设有第三滚动槽2331，两个第三滚动部2518分别滚动地穿设于两个第三滚动槽2331中。具体地，侧部支撑件233a包括侧部支撑板2335及连接于侧部支撑板2335面朝定位座250a一侧的延伸条2333，也就是延伸条2333的一端连接于侧部支撑板2335面朝定位座250a的一侧，延伸条2333的相对另一端朝向定位座250a的一侧延伸；第三滚动槽2331为设于延伸条2333的弧形槽，所述弧形槽向背离侧部支撑板2335的正面的一侧弯曲，也就是第三滚动槽2331的一端靠近侧部支撑板2335，第三滚动槽2331的相对第二端靠近定位座250a；第三滚动槽2331自第一端向第二端弯曲延伸形成，第三滚动槽2331的 中部远离侧部支撑板2335的正面；第三滚动部2518为设于定位座250的第三滚动杆，所述第三滚动杆的轴心线平行于转动件256与定位座250a之间的第一转动轴心线，所述第三滚动杆滚动地插设于对应的第三滚动槽2331。
可选地，第三滚动槽2331包括位于其相对两端的第三限位段2331a和第四限位段2331b，以及连通第三限位段2331a和第四限位段2331b的连通段2331c，第三限位段2331a较第四限位段2331b更靠近侧部支撑板2335，连通段2331c向远离侧部支撑板2335的正面的一侧弯曲。转轴装置22a在折叠或展平的过程中，第三滚动部2518可以从第三限位段2331a经连通段2331c滚动至第四限位段2331b，或者第三滚动部2518从第四限位段2331b经连通段2336c滚动至第三限位段2331a。当两个侧部支撑件233a呈展平状态时，第三滚动部2518定位于第三限位段2331a，以防止侧部支撑件233反折而损坏柔性件；当两个侧部支撑件233a呈完全折叠状态时，第三滚动部2518定位于所述第四限位段2331b，以防止侧部支撑件233a进一步折叠而损坏柔性件。
可选地，延伸条2333为弧形条，该弧形条的中部向远离侧部支撑板2335的正面的一侧弯曲，第三滚动槽2331沿弧形条延伸方向延伸。可选地，延伸条2333背离侧部支撑板2335的一端设有圆弧面，以便于侧部支撑件233a相对于定位座250a滑动并转动。可选地，当两个延伸条2333分别套设于两个第三滚动部2518时，两个延伸条2333在沿转动件256与定位座250a之间的第一转动轴心线的方向上相互错位，从而使得两个侧部支撑件233a更加紧凑，从而能进一步减少转轴装置22a的宽度尺寸。
座体251a背离第一滚动槽2501的一端设有凸耳2519，凸耳2519从座体251a的侧部向远离座体251a的一侧延伸，第三滚动杆的一端连接于凸耳2519背离第一滚动槽2501的一侧。本实施例中，座体251a背离第一滚动槽2501的一端相对的两侧分别设有凸耳2519，每一凸耳2519背离第一滚动槽2501的一侧凸设有第三滚动杆。
在一些实施例中，第三滚动槽2331与第三滚动部2518的位置可以调换，即侧部支撑件233a上设有第三滚动部，座体251a上设有第三滚动槽，所述第三滚动部可滚动地插设于所述第三滚动槽中。
请一并参阅图28-图35，第二实施例中的转轴装置22a的组装方式与第一实施例中的转轴装置22的组装方式相似，具体地，装组转轴装置22a时，将两个转动件256的第一转动部2562分别容置于座体251的两个第一转动槽2516；将端盖252固定连接于座体251a背离第一滚动槽2501的端面2514，以防止两个第一转动部2562脱离座体251；将两个转动件256分别连接于两个连接件253，使两个转动件256的连接部2567分别容置于两个连接件253的避位槽2538，且两个转轴2565分别可转动地插设于两个轴孔2536中；将两个侧部支撑件233a分别设置于两个连接件253的正面，使两个连接件253的第二转动部2532分别可转动地插接于两个侧部支撑件233a的第一转动槽2516中，且定位座250a的两个第三滚动部2518分别可滚动地插接于两个侧部支撑件233a的第三滚动槽2331中；将定位座250a的背部容置于背盖28的收容槽280中，且使定位座250固定连接于背盖28。此时，转动件256的第一转动部2562能在对应的第一转动槽2516中沿第一转动轴心线相对于定位座250a转动，转动件256的连接部2567能绕对应的转轴2565相对于连接件253转动，连接件253的第一滚动部2530能在对应的第一滚动槽2501中滚动；连接件253的第二转动部2532可转动地容置于对应的第二转动槽2330中，定位座250a的第三滚动部2518可滚动地容置于对应的第三滚动槽2331中。
如图31-图39所示，将转轴装置22由展平状态进行弯折时，其中一连接件253相对于定位座250a 向另一连接件253弯折，该其中一连接件253的第一滚动部2530在对应的第一滚动槽2501中从第一定位段2502滚动至第二定位段2504，该其中一连接件253带动对应的转动件256相对于定位座250a转动，且该转动件256相对于对应的连接件253转动。同时，该其中一连接件253的第二转动部2532在对应的第二转动槽2330转动，且定位座250a的第三滚动部2518在对应的第三滚动槽2331中从第三限位段2331a滚动至第四限位段2331b；采用上述相同的方法将另一连接件253相对于定位座250a向其中一连接件253弯折，使两个连接件253相互靠拢及两个转动件256相互靠拢，以带动两个侧部支撑件233a相互靠拢，直至两个侧部支撑件233a与定位座250a围成横截面成水滴状。
在侧部支撑件233a相对于定位座250a折弯过程中，第一滚动部2530自对应的第一滚动槽2501的第一定位段2502滚动至第二定位段2504，第一转动部2562在对应的第一转动槽2516中转动，第三滚动部2518自对应的第三滚动槽2331的第三限位段2331a滚动至第四限位段2331b，且第二转动部2532在对应的第二转动槽2330中转动。同时，定位座250a相对两侧的转动件256及连接件253相互靠拢，使得定位座250a的相对两侧的侧部支撑件233a相互靠拢，直至两个侧部支撑件233a的正面与定位座250a的正面围成横截面成水滴状的空间。
在其他的使用方式中，可以将两个连接件253朝相向方向一同转动，使得两个连接件253的第一滚动部2530分别在两个第一滚动槽2501中自第一定位段2502滚动至第二定位段2504，使得两个连接件253相互靠拢，以带动两个转动件256相对于定位座250转动而相互靠拢。同时，两个连接件253的第二转动部2532分别在两个侧部支撑件233的第二转动槽2330中转动，且定位座250a的两个第三滚动部2518分别在两个侧部支撑件233中的第三滚动槽2331的第三限位段2331a滚动至第四限位段2331b,由此带动两个侧部支撑件233相互靠拢，直至两个侧部支撑件233与定位座250围成横截面成水滴状。
将转轴装置22a由弯曲状态进行展平时，其中一连接件253相对于定位座250a朝远离另一连接件253展开，该其中一连接件253的第一滚动部2530在对应的第一滚动槽2501中从第二定位段2504滚动至第一定位段2502,该其中一连接件253带动对应的转动件256的第一转动部2562在定位座250的第一转动槽2516中转动，且转动件256相对于对应的连接件253转动。同时，该其中一连接件253的第二转动部2532在对应的第二转动槽2330转动，且定位座250a的第三滚动部2518在对应的第三滚动槽2331中从第四限位段2331b滚动至第三限位段2331a；采用上述相同的方法将另一连接件253相对于定位座250a向远离其中一连接件253展平，使两个连接件253相互展平及两个转动件256相互展平，以带动两个侧部支撑件233a相互展开，直至两个侧部支撑件233a与定位座250a呈展平状，使两个侧部支撑件233a的正面与定位座250a的正面共面。
在其他的使用方式中，可以将两个连接件253朝相互远离的方向一同转动，两个连接件253的第一滚动部2530分别在两个第一滚动槽2501中自第二定位段2504滚动至第一定位段2502，使得两个连接件253相互展开，以带动两个转动件256相对于定位座250转动而相互展开。同时，两个连接件253的第二转动部2532分别在两个侧部支撑件233的第二转动槽2330中转动，且定位座250a的两个第三滚动部2518分别在两个第三滚动槽2331的第四限位段2331b滚动至第三限位段2331a；由此带动两个侧部支撑件233a相互远离，直至两个侧部支撑件233a的正面与定位座250a的正面齐平。
请一并参阅图27-图28，本申请还提供设有转轴装置22a的电子设备，电子设备包括连接于转轴装置22a相对两侧的连接件253的两个框体21及覆盖于框体21和转轴装置22a的柔性件。具体地，将安 装完成的转轴装置22a置于两个框体21之间，将背盖28相对两侧的连接件253分别容置于两个框体21的收容槽216中，并将两个连接件253分别固定连接于两个框体21。此时，两个框体21的正面211、两个侧部支撑件233a的正面及定位座250a的正面共面；将柔性件30的背面连接于两个框体21的正面211及转轴装置22a的正面，具体地，可折弯区域31贴合于转轴装置22a的正面，两个非折弯区域33分别贴合于两个框体21的正面。
以上是本申请实施例的实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请实施例原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本申请的保护范围。

Claims (20)

  1. 一种转轴装置，其特征在于，所述转轴装置包括：
    支撑组件，所述支撑组件包括两个侧部支撑件；以及
    转动组件，所述转动组件包括定位座、设于所述定位座的相对两侧的两个连接件、以及设于所述定位座的相对两侧的两个转动件，两个所述侧部支撑件分别设于所述定位座的相对两侧，所述连接件与所述定位座之间滚动连接，所述连接件远离所述定位座的一侧与所述侧部支撑件之间转动连接，所述转动件与所述定位座之间转动连接，所述转动件远离所述定位座的一端与所述侧部支撑件之间转动连接；
    其中，所述定位座同侧的所述侧部支撑件与所述转动件之间滚动连接，或者所述侧部支撑件与所述定位座之间滚动连接；当两个所述连接件相对于所述定位座滚动而相互靠拢时，两个所述转动件相对于所述定位座转动而相互靠拢，以使两个所述侧部支撑件相互折叠；当两个所述连接件相对于所述定位座滚动而相互远离时，两个所述转动件相对于所述定位座转动而相互远离，以使两个所述侧部支撑件相互展开。
  2. 根据权利要求1所述的转轴装置，其特征在于，所述定位座包括座体，所述座体的其中一端面设有第一滚动槽，所述连接件包括设有第一滚动部的连接部，所述第一滚动部滚动地插设于所述第一滚动槽。
  3. 根据权利要求1所述的转轴装置，其特征在于，所述定位座包括座体，所述连接件包括连接部，所述连接部面朝所述座体的侧面设有第一滚动槽，所述座体上设有可滚动地插设于所述第一滚动槽中的第一滚动部。
  4. 根据权利要求2或3所述的转轴装置，其特征在于，所述第一滚动槽为弧形槽，所述第一滚动部为可滚动地插设于所述弧形槽中的第一滚动杆，所述弧形槽向背离所述座体的正面一侧弯曲，所述第一滚动槽的轴心线平行于所述转动件与所述定位座之间的第一转动轴心线。
  5. 根据权利要求4所述的转轴装置，其特征在于，所述第一滚动槽包括位于其相对两端的第一定位段及第二定位段，所述第一定位段相较于所述第二定位段更靠近所述座体的中部；当两个所述侧部支撑件呈展平状态时，所述第一滚动杆定位于所述第一定位段；当两个所述侧部支撑件呈折叠状态时，所述第一滚动杆定位于所述第二定位段。
  6. 根据权利要求2所述的转轴装置，其特征在于，所述座体的其中一端面的相对两侧分别设有第一滚动槽，两个所述滚动槽对称设置，两个所述连接件的第一滚动部分别滚动地容置于两个所述第一滚动槽中。
  7. 根据权利要求2所述的转轴装置，其特征在于，所述转动件与所述座体之间通过第一转动槽与第一转动部的配合转动连接，所述第一转动槽为设于所述座体的第一圆弧槽，所述第一圆弧槽向背离所述座体的正面一侧弯曲，所述转动件与所述定位座之间的第一转动轴心线与所述第一圆弧槽的轴心线共线，所述第一转动部为设于所述连接件一端的圆弧片，所述圆弧片可转动地插设于所述第一圆弧槽。
  8. 根据权利要求7所述的转轴装置，其特征在于，所述第一转动槽位于所述座体背离所述第一滚动槽的端面，所述第一转动槽的相对两侧分别穿通所述座体的正面和侧面。
  9. 根据权利要求2所述的转轴装置，其特征在于，所述连接件还包括固定部，所述连接部连接于所述固定部靠近所述定位座的一侧，所述转动件远离所述定位座的一端与所述固定部之间通过转轴与轴孔的配合转动连接，所述固定部远离所述定位座的一侧设有所述轴孔，所述转动件与所述连接件之间的第二转动轴心线与所述轴孔的轴心线共线，所述转动件远离所述定位座的一端设有所述转轴，所述转轴可转动地穿设于所述轴孔。
  10. 根据权利要求9所述的转轴装置，其特征在于，所述侧部支撑件与所述固定部之间通过第二转动槽与第二转动部的配合转动连接，所述第二转动槽为设于所述侧部支撑件的第二圆弧槽，所述侧部支撑件与所述固定部之间的第二转动轴心线与所述第二圆弧槽的轴心线共线，所述第二转动部为设于所述固定部的圆弧轨，所述圆弧轨可转动地插设于所述圆弧槽。
  11. 根据权利要求10所述的转轴装置，其特征在于，所述侧部支撑件包括设于所述侧部支撑板背面的导滑块，所述第二转动槽开设于所述导滑块的侧面。
  12. 根据权利要求9所述的转轴装置，其特征在于，所述侧部支撑件与所述转动件之间通过第二滚动槽与第二滚动部的配合滚动地连接，所述第二滚动槽设于所述侧部支撑件，所述第二滚动部为设于所述转动件的第二滚动杆，所述第二滚动杆的轴心线平行于所述转动件与所述定位座之间的第一转动轴心线。
  13. 根据权利要求9所述的转轴装置，其特征在于，所述侧部支撑件与所述转动件之间通过第二滚动槽与第二滚动部的配合滚动地连接，所述侧部支撑件的背面凸设限位块，所述第二滚动槽设于所述转动件的连接部面朝所述限位块的侧面，所述侧部支撑件的限位块设有能滚动地插设于所述第二滚动槽的所述第二滚动部。
  14. 根据权利要求12或13所述的转轴装置，其特征在于，所述第二滚动槽背离所述侧部支撑件的正面向远离所述定位座的一侧倾斜延伸，所述第二滚动槽包括位于其相对两端的第一限位段及第二限位段；当两个所述侧部支撑件呈展平状态时，所述第二滚动杆定位于所述第一限位段；在两个所述侧部支撑件呈完全折叠状态时，所述第二滚动杆定位于所述第二限位段。
  15. 根据权利要求4所述的转轴装置，其特征在于，所述侧部支撑件与所述定位座之间通过第三滚动槽与第三滚动部的配合滚动连接，所述侧部支撑件包括侧部支撑板及连接于所述侧部支撑板面朝所述定位座一侧的延伸条，所述第三滚动槽设于所述延伸条，所述第三滚动部为设于所述定位座的第三滚动杆，所述第三滚动杆的轴心线平行于所述转动件与所述定位座之间的第一转动轴心线，所述第三滚动杆滚动地插设于所述第三滚动槽。
  16. 根据权利要求15所述的转轴装置，其特征在于，所述第三滚动槽为弧形槽，所述弧形槽向背离所述定位座的正面一侧弯曲，所述第三滚动槽包括位于其相对两侧的第三限位段和第四限位段，所述第三限位段相较于所述第四限位段更靠近所述侧部支撑板；当两个所述侧部支撑件呈展平状态时，所述第三滚动杆定位于所述第三限位段；当两个所述侧部支撑件呈折叠状态时，所述第三滚动杆定位于所述第四限位段。
  17. 根据权利要求15所述的转轴装置，其特征在于，所述座体背离所述第一滚动槽的一端设有凸耳，所述凸耳从所述座体的侧部向远离所述座体的一侧延伸，所述第三滚动杆的一端连接于所述凸耳背离所述第一滚动槽的一侧。
  18. 根据权利要求1所述的转轴装置，其特征在于，两个所述连接件在沿所述转轴装置的折叠轴心线方向上错位设置，和/或两个所述转动件在沿所述转轴装置的折叠轴心线方向上错位设置。
  19. 一种折叠壳体，其特征在于，所述折叠壳体包括如权利要求1-18任意一项所述的转轴装置及两个框体，所述转轴装置位于两个所述框体之间，两个所述框体分别连接于所述转轴装置的两个所述连接件。
  20. 一种电子设备，其特征在于，所述电子设备包括柔性件及如权利要求19所述的折叠壳体，所述柔性件设置于所述折叠壳体上。
PCT/CN2023/118866 2022-11-21 2023-09-14 转轴装置、折叠壳体及电子设备 WO2024109284A1 (zh)

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CN114466092A (zh) * 2021-05-27 2022-05-10 荣耀终端有限公司 一种转动机构、支撑装置和电子设备
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