WO2021007906A1 - 折叠装置及电子设备 - Google Patents

折叠装置及电子设备 Download PDF

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Publication number
WO2021007906A1
WO2021007906A1 PCT/CN2019/101252 CN2019101252W WO2021007906A1 WO 2021007906 A1 WO2021007906 A1 WO 2021007906A1 CN 2019101252 W CN2019101252 W CN 2019101252W WO 2021007906 A1 WO2021007906 A1 WO 2021007906A1
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WO
WIPO (PCT)
Prior art keywords
folding device
hinge
frame
flexible
flexible member
Prior art date
Application number
PCT/CN2019/101252
Other languages
English (en)
French (fr)
Inventor
刘文俊
洪祝平
陈松亚
凡小飞
Original Assignee
深圳市柔宇科技有限公司
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 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to CN201980090073.5A priority Critical patent/CN113383288A/zh
Publication of WO2021007906A1 publication Critical patent/WO2021007906A1/zh

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Classifications

    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • 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
    • 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
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • 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
    • 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
    • G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • 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
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • 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
    • H05K5/0217—Mechanical details of casings
    • 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
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges

Definitions

  • the present application relates to the field of flexible member support, and in particular to a folding device supporting a flexible member and an electronic device provided with the folding device.
  • a foldable flexible display screen usually includes a folding device and a flexible piece, the folding device is used to support and protect the flexible piece, and the flexible piece is bent or flattened with the folding device.
  • the flexible member covering the folding device may bulge and be damaged during the flattening or bending process.
  • the present application provides a folding device and an electronic device provided with the folding device, and the folding device can prevent the flexible member covering the folding device from being damaged by the extrusion and protrusion.
  • the present application provides a folding device for supporting a flexible member.
  • the folding device includes a hinge body and at least one tightening mechanism arranged on one side of the hinge body, and the tightening mechanism includes at least one first tightening mechanism.
  • Component, at least one of the first tightening components includes a moving part that can move relative to the hinge body, the flexible part is connected to the moving part, and the moving part is used to generate the effect of stretching the flexible part Force to make the flexible member in a taut state.
  • the present application also provides an electronic device, including a flexible member, a housing, and a folding device.
  • the housing includes a first frame and a second frame, including a hinge body and at least one stretcher provided on one side of the hinge body.
  • a tightening mechanism, the tightening mechanism includes at least one first tightening component, at least one of the first tightening components includes a moving part that can move relative to the hinge body, the flexible part is connected to the moving part, and The moving member is used to generate a force to stretch the flexible member, so that the flexible member is in a tight state.
  • the folding device of the electronic equipment of the present application includes a hinge body and at least one tightening mechanism provided on one side of the hinge body.
  • the tightening mechanism includes a first tightening component, and the moving parts of the first tightening component are opposite to each other.
  • the hinge body moves on one side.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of an electronic device in one of the embodiments of the present application.
  • FIG. 2 is a three-dimensional exploded schematic diagram of the flexible display screen and the housing of the electronic device in FIG. 1.
  • Fig. 3 is an exploded schematic view of the housing in Fig. 2.
  • FIG. 4 is a three-dimensional structural diagram of the folding device in FIG. 3 from another perspective.
  • Fig. 5 is a partial perspective exploded schematic view of the folding device in Fig. 3.
  • FIG. 6 is a three-dimensional structural diagram of the folding device of FIG. 5 from another perspective.
  • Fig. 7 is an exploded schematic view of the three-dimensional structure of the middle hinge of Fig. 5.
  • Fig. 8 is an exploded schematic view of the three-dimensional structure of the middle hinge of Fig. 7 from another perspective.
  • FIG. 9 is a schematic diagram of the three-dimensional structure of the supporting hinge of FIG. 5.
  • Fig. 10 is a three-dimensional structural diagram of the supporting hinge of Fig. 9 from another perspective.
  • Fig. 11 is an exploded schematic view of the three-dimensional structure of the connecting hinge of Fig. 5.
  • Fig. 12 is an exploded schematic view of the three-dimensional structure of the connecting hinge of Fig. 11 from another perspective.
  • FIG. 13 is an enlarged schematic diagram of a three-dimensional structure of one of the linkage mechanisms in FIG. 6.
  • Fig. 14 is a three-dimensional structural diagram of the linkage mechanism in Fig. 13 from another perspective.
  • Fig. 15 is an exploded schematic view of the three-dimensional structure of the linkage mechanism in Fig. 13.
  • Fig. 16 is an exploded schematic view of the three-dimensional structure of the linkage mechanism in Fig. 15.
  • FIG. 17 is an exploded view of the three-dimensional structure of one of the first gear assemblies of the linkage mechanism in FIG. 15.
  • FIG. 18 is an exploded schematic view of a three-dimensional structure of one of the second gear assemblies of the linkage mechanism in FIG. 15.
  • FIG. 19 is an enlarged view of the three-dimensional structure of one of the connecting frames of the connecting hinge in FIG. 11.
  • FIG. 20 is an exploded schematic view of the three-dimensional structure of the connecting frame in FIG. 19.
  • FIG. 21 is an enlarged view of the three-dimensional structure of one of the connecting frames of the connecting hinge in FIG. 12.
  • Fig. 22 is an exploded schematic view of the three-dimensional structure of the connecting frame in Fig. 21.
  • Fig. 23 is a three-dimensional schematic diagram of the fixed frame connecting the hinges in Fig. 12.
  • FIG. 24 is an exploded schematic view of the three-dimensional structure of the fixing frame in FIG. 23 from another perspective.
  • Fig. 25 is an enlarged schematic view of the three-dimensional structure of the linkage mechanism and the steel sheet in Fig. 3.
  • Fig. 26 is an enlarged schematic view of the three-dimensional structure of the linkage mechanism and the steel sheet in Fig. 25 from another perspective.
  • Fig. 27 is a cross-sectional view taken along the line XXVII-XXVII in Fig. 25.
  • Fig. 28 is a cross-sectional view taken along line XXVIII-XXVIII in Fig. 25.
  • Fig. 29 is a sectional view taken along the line XXIX-XXIX in Fig. 25;
  • Fig. 30 is a sectional view taken along line XXX-XXX in Fig. 25;
  • FIG. 31 is a perspective schematic diagram of the folding device of the electronic device in FIG. 1 in a folded state.
  • FIG. 32 is a perspective schematic diagram of the folding device of the electronic device of the present application in a bent state.
  • FIG. 33 is a partial structural diagram of the folding device in FIG. 32 from another perspective in a folded state.
  • Fig. 34 is a schematic view of the end structure of the folding device in Fig. 32 in a folded state.
  • Fig. 35 is a cross-sectional view taken along the line XXXV-XXXV in Fig. 32;
  • Fig. 36 is a sectional view taken along the line XXXVI-XXXVI in Fig. 32;
  • Fig. 37 is a cross-sectional view taken along line XXXVII-XXXVII in Fig. 32;
  • Fig. 38 is a cross-sectional view taken along the line XXXVIII-XXXVIII in Fig. 32;
  • the electronic device 100 in one embodiment of the present application includes a housing 20 and a flexible member 30 disposed on the housing 20.
  • the housing 20 includes a first frame 21, a second frame 23 and a folding device 24 connected between the first frame 21 and the second frame 23.
  • the flexible member 30 is disposed on the first frame 21, the second frame 23 and the folding device 24.
  • the flexible member 30 is provided with a bendable area 31 corresponding to the folding device 24 and two non-bendable areas 33 connected to two opposite sides of the bendable area 31.
  • the folding device 24 is used to support the bendable area 31 of the flexible member 30, and the flexible member 30 is bent or flattened with the folding device 24.
  • the folding device 24 includes a hinge main body 25 and at least one linkage mechanism 26 disposed on the hinge main body 25.
  • the hinge main body 25 includes a middle hinge 250 located in the middle, two connecting hinges 257 located on opposite sides of the middle hinge 250, and
  • the supporting hinge 255 is arranged between the middle hinge 250 and each connecting hinge 257, and each supporting hinge 255 is rotatably connected with the middle hinge 250 and the corresponding connecting hinge 257.
  • the opposite sides of the end of the middle joint 250 are rotatably connected to two supporting joints 255, and the end of each support joint 255 is rotatably connected to the corresponding connection on the side facing away from the middle joint 250. Hinge 257.
  • the linkage mechanism 26 is arranged on the middle joint 250.
  • the linkage mechanism 26 includes two first link members 266 arranged on opposite sides of the linkage mechanism 26. One end of the two first linkage members 266 away from the linkage mechanism 26 is slidably connected to Two connecting hinges 257, one of the connecting hinges 257 rotates relative to the middle hinge 250 on the side of the light emitting surface of the flexible member 30 or toward the side of the light emitting surface of the flexible member 30 to drive the corresponding first connecting rod
  • the member 266 and the corresponding supporting hinge 255 rotate, and the other first link member 266, the corresponding supporting hinge 255 and the connecting hinge 257 are also driven by the linkage mechanism 26 to one side or facing the light emitting surface of the flexible member 30 One side of the light emitting surface of the flexible member 30 rotates.
  • the linkage mechanism 26 drives the other first link member 266 to also rotate toward the side away from the light-emitting surface of the flexible member 30, and the other first link member 266 drives the other connecting hinge 257 and the other supporting hinge.
  • the joint 255 also rotates toward the side away from the light-exit surface of the flexible member 30, so that the folding device 24 is bent synchronously, so as to realize the bending of the bendable area 31 of the flexible member 30.
  • the corresponding first link member 266 and the supporting hinge 255 are also rotated toward the side of the light-emitting surface of the flexible member 30, and the linkage mechanism 26
  • the other first link member 266 is also driven to rotate toward one side of the light-emitting surface of the flexible member 30, and the other first link member 266 drives the other connecting hinge 257 and the other supporting hinge 255 to also face the flexible member.
  • One side of the light-emitting surface of 30 rotates to make the folding device 24 synchronously flatten, so as to realize the flattening of the bendable area 31 of the flexible member 30.
  • the opposite ends of the hinge body 25 are respectively provided with a linkage mechanism 26, the number of the middle hinge 250 is one, and the number of the connecting hinge 257 and the supporting hinge 255 is two;
  • the flexible member 30 includes a flexible The screen and the steel sheet attached to the back of the flexible screen corresponding to the bendable area 31, the flexible screen is attached to the first frame 21, the second frame 23 and the folding device 24, and the steel sheet is located on the flexible screen Between and the folding device 24.
  • the electronic device 100 is, for example, but not limited to, mobile phones, tablet computers, displays, liquid crystal panels, OLED panels, TVs, smart watches, VR head-mounted displays, car displays, and other products and components with display functions. .
  • the folding device 24 of the electronic device 100 of the present application includes a hinge main body 25 and at least one linkage mechanism 26 connected to the hinge main body 25.
  • the opposite sides of the central hinge 250 of the hinge body 25 are respectively rotatably connected to the connecting hinge 257, the linkage mechanism 26 is arranged on the central hinge 250, and the first link members 266 on the opposite sides of the linkage mechanism 26 slide respectively The ground is connected to the two connecting joints 257.
  • the linkage mechanism 26 drives the other first link member 266 to also rotate toward the same side, and the other A connecting rod 266 drives the other connecting hinge 257 to also rotate to the same side, thereby facilitating the bending and flattening of the folding device 24, so that the folding device 24 can adapt to the supporting structure required by the bending of the flexible member 30.
  • the "same side” refers to the bending side, in other words, the other first link member 266 drives the other connecting hinge 257 to bend toward the inner side of the bend at the same time, or toward the outer side of the bend at the same time. Bend on the side.
  • the hinge body 25 includes a central hinge 250 located in the middle, two supporting hinges 255 rotatably connected to opposite sides of the central hinge 250, and rotatably connected to the The two supporting hinges 255 are away from the two connecting hinges 257 outside the middle hinge 250.
  • one side of the opposite ends of the middle joint 250 is rotatably connected with the opposite ends of one of the supporting joints 255, and the other side is rotatably connected with the opposite ends of the other supporting joint 255; each;
  • the opposite ends of the supporting hinge 255 on the side facing away from the middle hinge 250 are respectively rotatably connected to the opposite ends of the corresponding connecting hinge 257.
  • the middle hinge 250 and each supporting hinge 255 are connected by a rotating shaft; each supporting hinge 255 and the corresponding connecting hinge 257 are also connected by a rotating shaft.
  • the middle hinge 250 includes a fixing bar 251 located in the middle, two connecting bars 253 located at opposite ends of the fixing bar 251, and two fixing pieces 254, two fixing pieces 254 It is used to fix the opposite ends of the two connecting bars 253 and the fixing bar 251 to form a bar-shaped middle hinge 250.
  • the fixing strip 251 includes an upper surface 2511 with an arc-shaped cross section.
  • the opposite ends of the fixing strip 251 are respectively provided with a fixing block 2512.
  • the side of each fixing block 2512 away from the upper surface 2511 is provided with a fixing groove passing through the adjacent end surface. 2513.
  • the two opposite ends of the fixing bar 251 are respectively provided with positioning holes 2514, and the bottom surface of the fixing groove 2513 of each fixing block 2512 is provided with a connecting hole 2516.
  • Each connecting bar 253 includes an upper surface 2531 with an arc-shaped cross section.
  • a triangular connecting piece 2532 is provided at one end of the connecting bar 253 away from the fixing bar 251.
  • the opposite sides of the connecting piece 2532 are respectively provided with shaft holes 2533.
  • the side of each connecting bar 253 away from the upper surface 2531 is provided with a guide slider 2535 adjacent to the connecting piece 2532.
  • the two opposite sides of the guide slider 2535 are respectively provided with arc-shaped first guide grooves 2536.
  • An arc-shaped first sliding surface 2537 is provided in the first guide groove 2536.
  • the side of the connecting bar 253 facing away from the upper surface 2531 is provided with a positioning block 2538 adjacent to the guide block 2535, and the end surface of the positioning block 2538 away from the guide block 2535 defines two positioning holes 2539.
  • a through hole 2534 is defined at one end of the connecting bar 253 away from the connecting piece 2532.
  • Each fixing member 254 includes a fixing block 2541, two opposite sides of the fixing block 2541 are respectively provided with second guide grooves 2542, and the fixing block 2541 is provided with an arc-shaped second sliding guide surface 2543 in each second guide groove 2542.
  • the fixing block 2541 is provided with a connecting post 2544 between the two second guide grooves 2542, and the connecting post 2544 is provided with a connecting hole.
  • One end of the fixing block 2541 is convexly provided with a connecting block 2545, and the end surface of the connecting block 2545 away from the fixing block 2541 defines two positioning holes 2546 corresponding to the positioning holes 2539.
  • a fixing plate 2547 and a clamping post 2548 are protrudingly provided on the other end surface of the fixing block 2541, and a through hole 2549 is formed on the fixing plate 2547.
  • Each support hinge 255 is strip-shaped.
  • the support hinge 255 includes an arc-shaped upper surface 2551.
  • the opposite ends of the support hinge 255 are provided with triangular connecting pieces. 2552, the two opposite sides of the connecting piece 2552 are respectively provided with shaft holes 2553.
  • the side of the support hinge 255 away from the upper surface 2551 is provided with a sliding guide piece 2555 adjacent to each connecting piece 2552.
  • Each sliding piece 2555 is slidably received in the first guide groove 2536, and the sliding piece 2555 is slidably attached.
  • the arc-shaped third sliding surface 2557 fits on the corresponding first sliding sliding surface 2537.
  • the sliding sliding piece 2555 and the corresponding sliding sliding block 2535 constitute the first guiding mechanism supporting the hinge 255 and the middle hinge 250
  • the trajectory of rotation defined by the first guiding mechanism is to rotate around a circle center located on the flexible member 30.
  • the rotation axis line of the first sliding guide surface 2537 and the rotation of the third sliding guide surface 2557 overlap and are located on the flexible member 30.
  • the rotation axis center line of the first sliding guide surface 2537 and the rotation axis center line of the third sliding guide surface 2557 are located on the neutral layer of the flexible member 30.
  • two spaced guide protrusions 2558 are provided on the side of the support hinge 255 away from the upper surface 2551 and adjacent to the middle.
  • Each guide protrusion 2558 is slidably received in the corresponding second guide groove 2542, that is, the guide protrusion 2558 and the second guide groove 2542 constitute a second guiding mechanism between the supporting hinge 255 and the middle hinge 250; the sliding guide protrusion 2558 is provided with a second sliding guide surface slidably fitted in the second guide groove 2542 2543 arc-shaped fourth sliding guide surface 2559; the rotation track defined by the second guide mechanism is to rotate around a circle center located on the flexible member 30; specifically, the rotation axis of the second sliding guide surface 2543 The center line and the rotation axis center line of the fourth sliding guide surface 2559 overlap and are located on the flexible member 30.
  • the rotation axis center line of the second sliding guide surface 2543 and the rotation axis center line of the fourth sliding guide surface 2559 are located On the neutral layer of the flexible member 30.
  • each connecting hinge 257 is provided with a row of receiving teeth 2570 along its length, and a steel sheet 312 is slidably provided on the connecting hinge 257 (as shown in FIG. 2 And shown in FIG. 3), a row of saw teeth 314 is provided on one side of the steel sheet 312 corresponding to the receiving teeth 2570, and the saw teeth 314 mesh with the corresponding receiving teeth 2570.
  • the connecting hinge 257 includes a fixed frame 258 in the middle and two connecting frames 259 at opposite ends of the fixed frame 258. The two connecting frames 259 are respectively connected to the opposite ends of the fixed frame 258 to form a bar-shaped connecting hinge. Section 257.
  • the two opposite ends of the fixed frame 258 are respectively provided with a connecting block 2581.
  • the connecting block 2581 defines a connecting groove along the length of the fixed frame 258.
  • a spring 2583 is accommodated in the connecting groove. One end of the spring 2583 presses against the fixed frame 258, and the other end is connected to a clip Block 2584.
  • the upper surface of the connecting block 2581 is respectively provided with connecting holes 2585 on two opposite sides of the connecting groove 2582, and the end surface of the connecting block 2581 is provided with a clamping hole 2586.
  • each connecting frame 259 away from the fixed frame 258 is provided with a connecting piece 2592.
  • the connecting piece 2592 is provided with a shaft hole 2591 on the side adjacent to the receiving tooth 2570.
  • the side of the connecting frame 259 away from the receiving tooth 2570 is connected to the end away from the connecting piece 2592.
  • the connecting groove 2591 is used to receive the corresponding connecting block 2581; the connecting frame 259 defines a clamping hole 2594 connected to the connecting groove 2593 on the end surface of the connecting groove 2693, and the clamping hole 2594 is used for clamping the corresponding clamping block 2584.
  • the connecting frame 259 protrudes from the end surface of the connecting groove 2593 with clamping posts, and the connecting frame 259 defines two through holes 2596 on the lower surface of the connecting groove 2593.
  • a lug 2597 extends vertically from one end of each connecting frame 259 adjacent to the connecting piece 2592 toward the side away from the receiving tooth 2570, and the lug 2597 defines a sliding groove 2598 for receiving the sliding plate along the extending direction.
  • Each connecting hinge 257 defines a first guide sliding groove 2590 corresponding to the first connecting rod member 266, and the first connecting rod member 266 is slidably inserted into the first guide sliding groove 2590.
  • a side surface of each connecting hinge 257 away from the lug 2597 defines a second sliding groove 2595 connected to the sliding groove 2598.
  • each linkage mechanism 26 includes two first connecting shafts 261 that are connected to the middle joint 250 in parallel and at least one first gear sleeved on the two first connecting shafts 261
  • One ends of the two first connecting rods 266 are respectively connected to opposite ends of the first gear assembly 262, and the other ends of the two first connecting rods 266 are slidably connected to the first guides of the two connecting joints 257. Chute 2590.
  • the linkage mechanism 26 includes two first gear assemblies 262 and two second gear assemblies 264.
  • the opposite ends of the first connecting shaft 261 and the second connecting shaft 265 are respectively provided with a first gear assembly 262 and A second gear assembly 264, two second connecting shafts 265 are located between the two first gear assemblies 262, and one end of each first connecting rod 266 is connected to the two first gear assemblies 262.
  • each first gear assembly 262 includes a fixing member 2621 and two first transmission members 2625 located at opposite ends of the fixing member 2621, each of the first transmission member 2625 and the fixing member 2621 Between gears.
  • Two first connecting shafts 261 are connected to the fixing member 2621, each second connecting shaft 265 is fixedly connected to the corresponding first transmission member 2625 adjacent to the fixing member 2621, and each first connecting rod member 266 is fixedly connected to the corresponding first transmission member 2621.
  • a transmission member 2625 is far away from the fixing member 2621;
  • the second gear assembly 264 includes two second transmission members 2641, and the two second transmission members 2641 are geared together, and each second transmission member 2641 is sleeved on the corresponding first transmission member.
  • the fixing member 2621 is a rectangular body, the fixing member 2621 defines two circular shaft holes 2622 along the direction parallel to the axis of the first connecting shaft 261, and two opposite end surfaces of the fixing member 2621 are respectively provided with a first gear 2623 ,
  • the first gear 2623 is a circular array of teeth along the axis of the corresponding shaft hole 2622.
  • the end surface of the fixing member 2621 is provided with a first stop surface 2624 on the upper side of each first gear 2623.
  • Each first transmission member 2625 is roughly rectangular.
  • the opposite ends of the first transmission member 2625 define two positioning through holes 2626 along the direction parallel to the axis of the second connecting shaft 265. In this embodiment, each positioning The cross section of the through hole 2626 is waist-shaped.
  • the end of the first transmission member 2625 facing the fixing member 2621 is provided with a second gear 2627 meshing with the first gear 2623, and the end surface of the first transmission member 2625 facing the fixing member is provided with a second stop surface on the upper side of the second gear 2627 2628.
  • the second stopping surface 2628 is attached to the first stopping surface 2624, the rotation between the first transmission member 2625 and the fixing member 2621 can be prevented, so as to prevent the flexible member 30 from being reversed and damaged.
  • the end surface of the first transmission member 2625 facing away from the second gear 2627 is set as a circular arc surface.
  • each second transmission member 2641 is roughly rectangular, and the opposite ends of the second transmission member 2641 define two shaft holes 2643 along the direction parallel to the axis of the first connecting shaft 261.
  • a third gear 2645 is provided on one end of each second transmission member 2641 facing the other second transmission member 2641.
  • the third gears 2645 on the two second transmission members 2641 mesh with each other, and each third gear 2645 is along a corresponding axis.
  • the axis of the hole 2643 is a circular array of teeth.
  • the end surface of the second transmission member 2641 provided with the third gear 2645 is provided with a third stop surface 2648 on the upper side of the third gear 2645.
  • the two third stop surfaces 2648 When the two third stop surfaces 2648 are attached to each other, it can prevent the two The two transmission members 2641 rotate with each other to prevent the flexible member 30 from bending and being damaged.
  • the end surface of the second transmission member 2641 facing away from the third gear 2645 is set as a circular arc surface.
  • each first connecting shaft 261 includes a connecting section 2611 in the middle and positioning sections 2612 at opposite ends of the connecting section 2611.
  • the cross section of the connecting section 2611 is circular, and the positioning section 2612
  • the cross section is waist-shaped.
  • Each second connecting shaft 265 includes a connecting section 2651 located in the middle and positioning sections 2652 located at opposite ends of the connecting section 2651.
  • the connecting section 2651 has a circular cross section and the positioning section 2652 has a waist-shaped cross section.
  • each first link member 266 includes a link 2661 slidably connected to the corresponding connecting joint 257 and a fixed shaft 2663 provided at one end of the link 2661.
  • the fixed shaft 2663 is opposite to The two ends are respectively fixedly connected to the positioning through holes 2626 of the corresponding first transmission member 2625 away from the fixing member 2621.
  • the connecting rod 2661 is a rectangular connecting piece
  • the fixed shaft 2663 is fixed to one end of the connecting piece
  • the opposite ends of the fixed shaft 2663 extend out of the connecting rod 2661
  • the cross section of the fixed shaft 2663 is waist-shaped.
  • connection rod 2661 Two opposite sides of the connecting rod 2661 are respectively sleeved with guide rails 2665, the guide rails 2665 are positioned in the first guide sliding grooves 2590 of the corresponding connecting hinge 257, and the connecting rod 2661 is slidably fitted with the guide rails 2665.
  • Each linkage mechanism 26 also includes a first damping member 267 disposed between each first connecting shaft 261 and the corresponding second connecting shaft 265, and the first damping member 267 is used to provide resistance when the folding device 24 rotates.
  • the first damping member 267 includes a plurality of stacked damping fins 2671.
  • Each damping fin 2671 is provided with two damping holes 2673 with elastically flexible apertures.
  • the first connecting shaft 261 and the second connecting shaft 265 are respectively in interference fit. Insert into the two damping holes 2673.
  • Each damping sheet 2671 includes two circlips 2674 for holes, and a connecting portion 2675 connected between the two circlips 2674 for holes, that is, the two circlips 2674 for holes are located opposite to the connecting portion 2675.
  • the elastic retaining ring 2674 for each hole includes a first elastic shoulder protruding from one end of the connecting portion 2675 and a second elastic shoulder protruding from the opposite end of the connecting portion 2675.
  • a damping hole 2673 is enclosed between the first elastic shoulder and the second elastic shoulder.
  • the diameter of the orifice 2673 is slightly smaller than the diameter of the first connecting shaft 261 and the second connecting shaft 265.
  • Each linkage mechanism 26 also includes a second damping member 268 arranged between each first connecting shaft 261 and the corresponding second connecting shaft 265, the second damping member 268 is made of elastic material, and the second damping member 268 is used for To provide resistance when the folding device 24 rotates.
  • the second damping member 268 is provided with two damping holes 2683 whose apertures can elastically expand and contract.
  • the first connecting shaft 261 and the second connecting shaft 265 are respectively inserted into the two damping holes 2683 in an interference fit.
  • the second damping member 268 includes two elastic retaining rings 2684 for holes, and a connecting portion 2685 connected between the two elastic retaining rings 2684 for holes.
  • the elastic retaining ring 2684 for each hole includes a first elastic shoulder protruding from one end of the connecting portion 2685 and a second elastic shoulder protruding from the opposite end of the connecting portion 2685.
  • a damping hole 2683 is enclosed between the first elastic shoulder and the second elastic shoulder.
  • the diameter of the orifice 2683 is slightly smaller than the diameter of the first connecting shaft 261 and the second connecting shaft 265.
  • Each linkage mechanism 26 also includes at least two second connecting rod members 269. One ends of the two second connecting rod members 269 are respectively connected to two second connecting shafts 265, and the two second connecting members 269 are opposite to each other. One end is slidably connected to the two connecting joints 257 respectively.
  • each second connecting rod member 269 includes a connecting rod 2691 in the shape of a bar and a connecting column 2693 provided at one end of the connecting rod 2691; one side of the connecting rod 2691 is provided with an adapter shaft 2694, and the connecting column 2693 is along its axial direction.
  • a connecting hole 2695 is opened, and the cross section of the connecting hole 2695 is waist-shaped.
  • the linkage mechanism 26 does not include a plurality of spacers 2697, and each spacer 2697 defines a waist-shaped positioning hole.
  • each first link member 266 the opposite ends of the fixing shaft 2663 of each first link member 266 are respectively fixedly connected to the positioning through holes 2626 of the corresponding first transmission member 2625 away from the fixing member 2621, and each second connecting shaft 265 is opposite to each other.
  • the two ends are respectively fixedly connected to the positioning through holes 2626 of the corresponding first transmission member 2625 adjacent to the fixing member 2621.
  • the two second damping members 268 are respectively sleeved on the first connecting shaft 261 and the second connecting shaft 265 until the two second damping members 268 contact the corresponding first gear assembly 262; the two spacers 2697 are respectively sleeved Are connected to the two first connecting shafts 261 until the two spacers 2697 respectively contact the second damping member 268; then the connecting posts 2693 of the two second connecting rod members 269 are respectively sleeved on the two second connecting shafts 265 On the upper side, the two second connecting shafts 265 are fixedly connected in the connecting holes 2695 of the two second connecting rod members 269, respectively.
  • the first linkage member 266 and the second linkage member 269 jointly drive the rotation of the corresponding first transmission member 2625, and the second connecting shaft 265 is connected to the corresponding second transmission member 2641.
  • the shaft hole 2643 rotates and drives the second transmission member 2641 to rotate; the rotation of the second transmission member 2641 drives another second transmission member 2641 engaged with it to rotate, and the other second transmission member 2641 drives another second connecting shaft 265 rotates, the other second connecting shaft 265 drives the second gear 2627 of the other first transmission member 2625 to rotate along the first gear 2623 corresponding to the fixed block 2621, and drives the other first connecting rod 266 to rotate, thereby
  • the two first link members 266 and the two second link members 269 are simultaneously approached and bent.
  • the first damping member 267 can connect the two first connecting rod members. 266 rotates and positions at any angle.
  • the two first connecting rod members 266 and the two second connecting rod members 269 can be rotated together in opposite directions, and the fixed shafts 2663 of the two first connecting rod members 266 drive the corresponding first transmission
  • the second gear 2627 of the member 2625 rotates in the opposite direction along the corresponding first gear 2623; at the same time, the two second connecting rod members 269 also drive the second gear of the corresponding first transmission member 2625 through the corresponding second connecting shaft 265 2627 rotates in the opposite direction along the corresponding first gear 2623, and the second connecting shaft 265 drives the third gear 2645 of the corresponding second transmission member 2641 to the opposite direction along the third gear 2645 of the corresponding second transmission member 2641
  • the two first link members 266 and the two second link members 269 simultaneously approach each other and bend.
  • the second link member 269 drives the corresponding first transmission member through the corresponding second connecting shaft 265
  • the second gear 2627 of 2625 also rotates along the corresponding first gear 2623, and drives the third gear 2645 of the corresponding second transmission member 2641 to rotate along the third gear 2645 of the corresponding second transmission member 2641; due to the fixed shaft 2663 is fixedly connected to the first transmission member 2625, the second connection shaft 265 is also fixedly connected to the first transmission member 2625, and the second connection shaft 265 is rotatably connected to the second transmission member 2641.
  • the first link member 266 and the The two connecting rod members 269 jointly drive the corresponding first transmission member 2625 to rotate away from the other first transmission member 2625, and the second connecting shaft 265 rotates in the shaft hole 2643 of the corresponding second transmission member 2641 and drives the second transmission member 2641 rotates away from the other second transmission member 2641; the rotation of the second transmission member 2641 drives the other second transmission member 2641 engaged with it to rotate, and the other second transmission member 2641 drives the other second connecting shaft 265 to rotate ,
  • the other second connecting shaft 265 drives the second gear 2627 of the other first transmission member 2625 to rotate along the first gear 2623 corresponding to the fixed block 2621 away from the fixed block 2621, and drives the other first connecting rod member 266 Rotate, so that the two first link members 266 and the two second link members 269 are simultaneously separated from each other and flattened.
  • each of the first connecting shaft 261 and the second connecting shaft 265 is in interference fit with the orifice 2673 of the corresponding damper sheet 2671 and the orifice 2683 of the second damping member 268, the first damping member The 267 and the second damping member 268 can rotate and position the two first link members 266 and the second link member 269 at any angle.
  • the two first link members 266 and the two second link members 269 can be rotated together in opposite directions, and the fixed shafts 2663 of the two first link members 266 drive the corresponding first transmission.
  • the second gear 2627 of the member 2625 rotates in the opposite direction along the corresponding first gear 2623; at the same time, the two second link members 269 also drive the corresponding second gear of the first transmission member 2625 through the corresponding second connecting shaft 265 2627 also rotates in the opposite direction along the corresponding first gear 2623, and the second connecting shaft 265 drives the third gear 2645 of the corresponding second transmission member 2641 to the opposite direction along the third gear 2645 of the corresponding second transmission member 2641 Rotate in the direction, so that the two first link members 266 and the two second link members 269 are simultaneously separated from each other and flattened.
  • the folding device 24 further includes a lower sliding plate 271 and an upper sliding plate 273, a positioning piece 275 and a connecting member 277 slidably disposed on the lug 2597 of each connecting frame 259.
  • the sliding groove 2598 of each lug 2597 is slidably inserted into the lower sliding plate 271 and the upper sliding plate 273 that are stacked on each other.
  • the lug 2597 is on the opposite side walls of the sliding groove 2598 along the extending direction of the sliding groove 2598.
  • a guide groove 2599 is opened, and two opposite sides of the lower sliding plate 271 are respectively inserted into the two guide grooves 2599.
  • the lower sliding plate 271 is a rectangular plate.
  • the two opposite sides of the lower sliding plate 271 are respectively provided with guide sliding bars 2711, and the two guide sliding bars 2711 are slidably inserted into the guide grooves 2599 of the lugs 2597.
  • a connecting piece 2713 is protruded from one end of the lower sliding plate 271, and a connecting hole 2714 is formed on the connecting piece 2713.
  • the side of the lower sliding plate 271 adjacent to the connecting piece 2713 is a top surface 2715 perpendicular to the sliding direction of the lower sliding plate 271.
  • Two connecting holes 2714 are defined on the upper surface of the lower sliding plate 271.
  • the upper surface of the upper sliding plate 273 defines two sliding grooves 2731 corresponding to the two connecting holes 2714 of the lower sliding plate 271, and each sliding groove 2731 extends along the sliding direction of the upper sliding plate 273.
  • the positioning plate 275 is a rectangular plate, one end of the positioning plate 275 is provided with a rotating hole 2752, and the opposite end of the positioning plate 275 is provided with a strip groove 2754 along its length.
  • the opposite ends of the positioning plate 275 are respectively provided with rounded surfaces, and the opposite sides of the positioning plate 275 are side surfaces 2755 that are parallel to each other.
  • the connecting frame 259 is provided with a first positioning surface 2756 and a second positioning surface 2757 connected to the first positioning surface 2756 adjacent to the second guide sliding groove 2595.
  • the first positioning surface 2756 extends obliquely to the sliding direction of the lower sliding plate 271, and the second The positioning surface 2757 extends along the sliding direction perpendicular to the lower sliding plate 271.
  • the connecting member 277 includes a circular baffle 2771 and a shaft column 2773 vertically protruding from the middle of the baffle 2771.
  • the lower sliding plate 271 is fixedly connected to the first frame 21 or the second frame 23.
  • the flexible member 30 includes a flexible screen and a steel sheet; the flexible screen covers the first middle frame 21, the second middle frame 23 and the folding device 24, and the steel sheet Covering the folding device, therefore, the lower sliding plate 271 is also fixedly connected to the flexible screen for sliding compensation of the flexible screen.
  • the distance between the two ends of the flexible screen remains unchanged (regardless of the flexible screen itself
  • the upper sliding plate 273 is fixedly connected to the steel sheet 312, so that when the folding device 24 is in the bending and unfolding process, it is used for the sliding compensation of the steel sheet 312.
  • the steel sheet can be protected
  • the distance between the two ends of the 312 remains unchanged (regardless of the ductility of the steel sheet itself); in addition, the lower sliding plate 271 and the upper sliding plate 273 are stacked and housed in the chute 2598, which reduces the occupation of the lower sliding plate 271 and the upper sliding plate 273 on the electronic device 100.
  • the internal space of the first frame 21 and the second frame 23 facilitates the first frame 21 and the second frame 23 to leave enough internal space to accommodate other components such as batteries.
  • the folding device 24 also includes a tensioning mechanism for tensioning the flexible member 30.
  • the tensioning mechanism includes a first tensioning mechanism respectively disposed between each connecting hinge 257 and the flexible member 30.
  • the tightening component 281, the second tightening component 283 arranged between the connecting hinge 257 and the first frame 21 and/or the second frame 23, the steel sheet 312 and the upper sliding plate 273.
  • the first tightening component 281 is used to push the flexible member 30 against one side of the hinge body 25, so that the bendable area 31 of the flexible member 30 is always kept in a tight state, so as to prevent the bendable area 31 of the flexible member 30 from arching
  • the second tightening component 283 is used to push the first frame 21 and/or the second frame 23 toward the side away from the hinge main body 25, so that the flexible member 30 is always in a tight state to prevent the flexible member 30 Arched and damaged.
  • the first pushing assembly 281 is connected to the flexible member 30 through the steel sheet 312, and the steel sheet 312 is fixedly connected to the upper sliding plate 273.
  • the first pushing assembly 281 drives the steel sheet 312 and the upper sliding plate 273 to move away from the hinge body 25.
  • One side of the middle hinge 250 moves, so that the bendable area 31 is always in a tight state, and prevents the bendable area 31 from arching
  • each connecting hinge 257 is provided with two spaced first tensioning components 281.
  • two spaced apart first tensioning components 281 are disposed on the fixed frame 258, and the two first tensioning components 281 are both connected to the flexible member.
  • Each first tensioning component 281 includes a moving part 2811, a first elastic part 2815, and a mounting part 2816.
  • the mounting part 2816 mounts the moving part 2811 and the first elastic part 2815 to the fixed frame 258, and the first elastic part 2815 is connected To the moving part 2811, the moving part 2811 is connected to and pushes the flexible part 30.
  • the first elastic member 2815 always provides a force to move the moving member 2811 relative to the hinge main body 25 side, that is, the first elastic member 2815 forces the moving member 2811 to move relative to the middle hinge 250 side.
  • the moving member 2811 includes a connecting plate 2812 and a top abutting plate 2813 arranged on one side of the connecting plate 2812. The opposite ends of the top abutting plate 2813 are respectively provided with guide grooves 2814.
  • the first elastic member 2815 is a spring.
  • each first tightening component 281 includes two first elastic members 2815.
  • the mounting member 2816 includes a strip-shaped mounting piece 2517 and two locking members 2518, and two opposite ends of the mounting piece 2517 are respectively provided with through holes.
  • Each locking member 2518 includes a screw and a guide post 2510 disposed at one end of the screw stud away from the nut.
  • the fixed frame 258 is provided with a structure for installing the first tensioning component 281.
  • the opposite ends of the upper surface of the fixed frame 258 are respectively provided with guide slide grooves 25801, and the guide slide grooves 25801 penetrate the lower surface of the fixed frame 258 to guide
  • the length of the sliding groove 25801 is greater than or equal to the length of the top plate 2813, and the width of the guide sliding groove 25801 is greater than the thickness of the top plate 2813.
  • the width of the guide groove 25801 refers to the space extending perpendicular to the length direction of the fixed frame 258, and the length of the guide groove 25801 refers to the space extending along the length direction of the fixed frame 258.
  • the upper surface of the fixing frame 258 defines a receiving groove 25802 on one side of each guide sliding groove 25801 through the side facing away from the receiving tooth 2570, and the receiving groove 25802 communicates with the guide sliding groove 25801.
  • the fixing frame 258 defines two through holes 25804 and two receiving holes 25805 on the sides of each guide sliding groove 25801 adjacent to the receiving teeth 2570.
  • the two receiving holes 25805 are located between the two through holes 25804.
  • the hole 25804 and each receiving hole 25805 extend along the moving direction of the moving member 2811.
  • the through hole 25804 and the receiving hole 25805 both penetrate the fixed frame 258 and communicate with the guide sliding groove 25801.
  • the side surface of the fixing frame 258 adjacent to the receiving tooth 2570 corresponds to the two guide sliding grooves 25801 to define two positioning grooves 25807, and the through hole 25804 and the receiving hole 25805 are connected to the positioning groove 25807.
  • each first tensioning component 281 When assembling each first tensioning component 281 to the fixed frame 258, insert the moving part 2811 into the guide chute 25801 so that the top plate 2813 of the moving part 2811 extends into the receiving groove 2580, and the connecting plate 2812 is received in the receiving groove 25802 ,
  • the upper surface of the connecting plate 2812 is coplanar with the upper surface of the connecting hinge 257, and the connecting plate 2812 can slide in the receiving groove 25802 along the moving direction of the moving member 2811; insert the two first elastic members 2815 into the two receiving
  • the mounting piece 2517 is received in the positioning groove 25807, the two locking members 2518 are inserted through the through holes of the mounting piece 2517 into the two through holes 25804, and the two through holes 25804 are inserted into the hole 25805.
  • each locking member 2518 are fixed to the through hole 25804.
  • the two guide grooves 2814 of the top plate 2813 are slidably sleeved on the guide posts 2510 of the two first elastic members 2815, and the first elastic member 2815 elastically pushes the top plate 2813 and slides outward to the top guide sliding groove 25801 The back faces the side of the receiving tooth 2570.
  • the second tightening component 283 is a plurality of elastic members disposed on each connecting hinge 257 and the first frame 21 and/or the second frame 23.
  • the second tensioning assembly 283 includes a plurality of springs 2832 arranged between the first frame 21 and the corresponding connecting hinge 257, and a plurality of springs 2832 arranged between the second frame 23 and the corresponding connecting hinge 257 Several springs 2832. Specifically, two springs 2832 are provided between the first frame body 21 and each connecting frame 259 of the corresponding connecting hinge 257, and between the second frame body 23 and each connecting frame 259 of the corresponding connecting hinge 257 Two springs 2832 are provided. Each connecting frame 259 has a positioning post 2584 protruding on opposite sides of the lug 2597, and one end of the spring 2832 is positioned on the positioning post 2584.
  • each connecting hinge 257 may also be provided with a first tensioning component 281 or three or more first tensioning components 281.
  • the second tightening component 283 may also be disposed between the fixing frame 258 and the first frame 21 and/or the second frame 23.
  • the fourth sliding guide surface 2559 is slidably attached to the second sliding guide surface 2543; at this time, the shaft hole 2553 of the connecting piece 2552 at both ends of each supporting joint 255 is directly aligned with the corresponding middle joint 250
  • a plurality of connecting shafts are respectively inserted into the shaft hole 2533 and the shaft hole 2553 so that the two supporting hinges 255 are rotatably connected to the opposite sides of the middle hinge 250 respectively.
  • each connecting hinge 257 Installs the two connecting hinges 257 to the supporting hinge 255. Specifically, first assemble each connecting hinge 257, and insert the two connecting blocks 2581 opposite to the fixed frame 258 into the two connecting slots 2593 of the two connecting frames 259. , The clamping block 2584 is clamped into the corresponding clamping hole 2594, the convex post in the connecting groove 2593 of each connecting frame 259 is clamped into the corresponding clamping hole 2586; the opposite ends of the fixing frame 258 are respectively provided with springs 2583 and The clamping block 2584 can facilitate the installation of the connecting frame 259 and the fixing frame 258.
  • a number of fasteners are inserted into a number of through holes 2596 and locked in the corresponding connecting holes 2585, so that the connecting frame 259 is installed on the opposite ends of the fixed frame 258; and then the two connecting hinges 257 are respectively placed on the supporting hinge 255.
  • the first link member 266 and the second link member 269 of each linkage mechanism 26 are respectively inserted into the first guide sliding groove 2590 and the second guide sliding groove 2595 of the corresponding connecting joint 257, the first connecting rod member
  • the 266 is slidably inserted into the first guide groove 2590
  • the adapter shaft 2694 of the second link member 269 is rotatably and slidably inserted into the corresponding strip groove 2754 of the positioning piece 275.
  • each connecting joint 257 is directly opposite to the shaft hole 2553 of the connecting piece 2552 of the corresponding supporting joint 255, and several connecting shafts are inserted into the shaft hole 2591 and the corresponding shaft hole 2553.
  • the two connecting hinges 257 are respectively rotatably connected to the two supporting hinges 255.
  • each connecting joint 257 and the corresponding supporting joint 255 rotate through a first virtual axis A1
  • each supporting joint 255 and the middle joint 250 pass through a second virtual axis.
  • A2 rotates, the two second virtual axes A2 are located between the two first virtual axes A1, and the distance between the two first virtual axes A1 and the corresponding second virtual axis A2 is the same, and is equal to the two second virtual axes A2 the distance between.
  • the two connecting hinges 257 respectively rotate around the corresponding first virtual axis A1; the two supporting hinges 255 respectively rotate around the corresponding second virtual axis A2.
  • Each first virtual axis A1 is spaced parallel to the second virtual axis A2, and the axis radius of the first virtual axis A1 is the same as the axis radius of the second virtual axis A2.
  • the distance between the two opposite sides of the two connecting hinges 257 is L, that is, the linear distance between the two curved outer sides of the two connecting hinges 257 when flattened is L.
  • the distance between the two opposite sides of the two connecting hinges 257 is equal to the width of the bendable area 31.
  • the first virtual axis A1 and the second virtual axis A2 are both located outside the hinge body 25.
  • the first virtual axis A1 and the second virtual axis A2 are both located on the flexible member 30 covering the hinge body 25, thereby improving The bending resistance of the flexible member 30 can ensure that the flexible member 30 is not damaged to the greatest extent.
  • the first virtual axis A1 and the second virtual axis A2 may also be located on the neutral layer of the flexible member.
  • the neutral layer means that during the bending process of the flexible member 30, the outer layer of the flexible member 30 is stretched, and the inner layer of the flexible member 30 is squeezed. ,
  • the transition layer that is not squeezed or subjected to a relatively small force of stretching or squeezing, the transition layer has very little stress, and the transition layer is a neutral layer.
  • the flexible member 30 is attached to the top of the arc surface of each connecting hinge/rotating hinge/positioning assembly/connecting mechanism in the unfolded state, and is separated from other areas other than the top of each arc surface. Through the above-mentioned virtual axis solution, the flexible member 30 can maintain its length substantially unchanged when it is bent.
  • the spur gear meshing method is used for linkage, compared with the helical gear meshing linkage method, it does not require high manufacturing accuracy, which can effectively reduce production costs and improve production efficiency.
  • the installed folding device 24 is placed between the first frame 21 and the second frame 23, and the two steel sheets 312 are respectively fixedly connected to the two connecting hinges 257 The moving part 2811 and the corresponding two upper sliding plates 273.
  • the row of serrations 314 of each steel sheet 312 is matched with the corresponding receiving teeth 2570, and the line between the row of serrations 314 and the receiving teeth 2570 is perpendicular to the folding device 24.
  • the first frame 21 and the second frame 23 are squeezed toward the folding device 24, so that the corresponding spring 2832 is squeezed and elastically deformed, and the two steel sheets 312 are both squeezed toward the middle hinge 250 to make the corresponding
  • the backs of the two non-bending regions 33 of the flexible member 30 are attached to the first frame 21 and the second frame 23 respectively, and the The back of the bendable area 31 of the flexible member 30 is installed on the front of the folding device 24 and the two steel sheets 312.
  • the back of the flexible member 30 is fixed on the first frame body 21, the second frame body 23 and the folding device 24.
  • the bendable area 31 of the flexible member 30 can be bent as the folding device 24 is bent.
  • the tightening component 281 and the second tightening component 283 directly push the flexible member 30 to opposite sides of the folding device 24, so that the flexible member 30 is always in a tight state, and prevents the flexible member 30 from being arched and damaged.
  • the flexible member 30 is in the flat state, one of the side surfaces 2755 of each positioning piece 275 is positioned and attached to the corresponding first positioning surface 2756, so that the folding device 24 remains flat.
  • FIGS. 31 to 38 Please refer to FIGS. 31 to 38 together.
  • a bending force is applied to at least one of the first frame 21 and the second frame 23 of the electronic device 100 to connect to the first frame 21
  • the connecting links 257 on the second frame body 23 and the second frame body 23 rotate in the mutually adjacent direction, and the folding device 24 is bent by the linkage mechanism 26.
  • the first frame 21 drives the corresponding connecting hinge 257 relative to the supporting hinge 255 toward the side away from the flexible member 30 along the first virtual axis A1 Rotation; the connecting hinge 257 drives the first link member 266 and the second link member 269 corresponding to the two linkage mechanisms 26 to rotate, so that the first link member 266 slides along the corresponding first guide chute 2590, and the second link
  • the rod 269 slides along the corresponding second guide chute 2595, and the second connecting rod 269 slidably pushes the positioning piece 275 to rotate so that the positioning piece 275 is out of contact with the first positioning surface 2756; due to the first connecting rod 266
  • the fixed shaft 2663 is fixedly connected to the first transmission member 2625, the second connecting rod member 269 is fixedly connected to the second connecting shaft 265, the second connecting shaft 265 is fixedly connected to the first transmission member 2625, and the second connecting shaft 265 is The two transmission parts 2641 are connected in rotation.
  • the first link member 266 and the second link member 269 jointly drive the second gear 2627 of the corresponding first transmission member 2625 to rotate along the corresponding first gear 2623, and the second connecting shaft 265 is in the corresponding second transmission member.
  • 2641 rotates in the shaft hole 2643 and drives the second transmission member 2641 to rotate, so that the corresponding supporting hinge 255 rotates along the second virtual axis A2 toward the side away from the flexible member 30, and the sliding guide piece 2555 is positioned on the corresponding first
  • the guide groove 2536 rotates, the third sliding guide surface 2557 slidably fits the first sliding guide surface 2537, and the sliding guide protrusion 2558 rotates in the corresponding second guide groove 2542, and the fourth sliding guide surface 2559 slidably fits
  • the second connecting shaft 265 also drives the first damping member 267 and the second damping member 268 to rotate along the corresponding first connecting shaft 261 toward the side away from the flexible member 30; two The third gear 2645 of the second transmission member 2641 is respectively engaged with the other two second
  • the other second connecting shaft 265 drives the first link member 266 and the second link member 269 to rotate toward the side away from the flexible member 30 to drive the corresponding support hinge 255 to move away from the flexible member 30 along the second virtual axis A2.
  • One side of the rotation and the connecting hinge 257 rotate along the first virtual axis A2 toward the side of the flexible member 30; at the same time, the first link member 266 and the second link member 269 are in the corresponding first guide chute 2590 and second Sliding in the second guide chute 2595, the second link member 269 slidably pushes against the positioning piece 275 and rotates to disengage the positioning piece 275 from the first positioning surface 2756; until the second link member 269 rotates against the positioning piece 275
  • the two side surfaces 2755 opposite to the positioning piece 275 are positioned and attached to the first positioning surface 2756 and the second positioning surface 2757 respectively to position the folding device 24 in a bent state, and the bendable area 31 of the flexible member 30 follows the folding device 24 Bending until the back of the
  • the folding device 24 is bent, and the flexible member 30 is bent along with the folding device 24 to connect the upper surface of the steel sheet 312 on the hinge 257, the upper surface of the supporting hinge 255 and the upper surface of the middle hinge 250 They are connected to each other to form an arcuate surface to facilitate the fitting of the flexible member 30.
  • the distance between the two opposite sides of the connecting hinge 257 in the bent state along the outer side of the hinge body 25 is also L, that is, the two connecting hinges 257 of the hinge body 25 are located in the bent state.
  • the linear distance between the two outer sides when flattened is equal to the distance from the outside when folded along the hinge body 25, so that the bendable area 31 of the flexible member 30 covering the hinge body 25 is bent
  • the width of the state is the same as the width of the flat state, which can prevent the flexible member 30 from being squeezed, raised or stretched to damage the screen.
  • the first virtual axis A1 and the second virtual axis A2 are both located outside the hinge body 25.
  • the first virtual axis A1 and the second virtual axis A2 are located on the hinge body 25.
  • the first virtual axis A1 and the second virtual axis A2 of the hinge body 25 of the present invention are both located on the neutral layer when the electronic device 100 is bent or flattened, so as to ensure that the flexible member 30 is not damaged to the greatest extent.
  • the two first connecting shafts 261 and the two second connecting shafts 265 are respectively in the damping holes 2673 of the two first damping members 267 and the damping of the two second damping members 268.
  • the hole 2683 rotates, and the elastic retaining ring 2674 of each first damping member 267 is rotatably sleeved on the corresponding first connecting shaft 261 and the second connecting shaft 265, because the first connecting shaft 261 and the second connecting shaft 265 pass through Fitted into the corresponding first damping member 267; the hole of each second damping member 268 is rotatably sleeved on the corresponding first connecting shaft 261 and the second connecting shaft 265 with an elastic retaining ring 2684.
  • a connecting shaft 261 and a second connecting shaft 265 are respectively inserted into the corresponding second damping member 268 with interference fit; therefore, the folding device 24 can be positioned at any angle during the bending process, and the hinge body 25 is bent to The distance between the two opposite sides of the two connecting hinges 257 at any angle will not change, that is, the width of the bendable area 31 of the flexible member 30 will not change when bent to any angle, and the first tightening
  • the component 281 and the second tightening component 283 keep the flexible piece 30 in a tight state, so as to prevent the flexible piece 30 from arching and damaging the screen during the bending or flattening process, so as to ensure the flexible piece 30 to the greatest extent Not damaged.
  • the first link member 266 and the second link member 269 jointly drive the second gear 2627 of the corresponding first transmission member 2625 to rotate along the corresponding first gear 2623, and the second connecting shaft 265 is in the corresponding second transmission member.
  • 2641 rotates in the shaft hole 2643 and drives the second transmission member 2641 to rotate, so that the corresponding supporting hinge 255 rotates along the second virtual axis A2 toward the side away from the flexible member 30, and the sliding guide piece 2555 is positioned on the corresponding first
  • the guide groove 2536 rotates, the third sliding guide surface 2557 slidably fits the first sliding guide surface 2537, and the sliding guide protrusion 2558 rotates in the corresponding second guide groove 2542, and the fourth sliding guide surface 2559 slidably fits
  • the second connecting shaft 265 also drives the first damping member 267 and the second damping member 268 to rotate along the corresponding first connecting shaft 261 toward the side away from the flexible member 30; two The third gear 2645 of the second transmission member 2641 respectively meshes with the gears
  • the other two second transmission members 2641 drive the corresponding other second connecting shafts 265 to rotate toward the side away from the flexible member 30, because the fixed shaft 2663 of the first link member 266 and the first transmission
  • the member 2625 is fixedly connected
  • the second connecting rod member 269 is fixedly connected with the second connecting shaft 265
  • the second connecting shaft 265 is fixedly connected with the first transmission member 2625
  • the second connecting shaft 265 is rotatably connected with the second transmission member 2641. Therefore, the other second connecting shaft 265 drives the first link member 266 and the second link member 269 to rotate toward the side away from the flexible member 30, so as to drive the corresponding supporting hinge 255 toward A2 along the second virtual axis.
  • the side away from the flexible member 30 rotates and the connecting hinge 257 rotates along the first virtual axis toward A2 toward the side away from the flexible member 30; at the same time, the first link member 266 and the second link member 269 are in the corresponding first
  • the guide chute 2590 and the second guide chute 2595 slide inside, and the second link member 269 slidably pushes against the positioning piece 275 and rotates so that the positioning piece 275 is separated from the first positioning surface 2756; until each second connecting rod
  • the member 269 pushes the corresponding positioning piece 275 and rotates until the two opposite side surfaces 2755 of the positioning piece 275 are positioned and attached to the first positioning surface 2756 and the second positioning surface 2757, respectively, to position the folding device 24 in a bent state, and the flexible member 30
  • the bendable area 31 is bent with the folding device 24 until the back of the first frame 21 and the second frame 23 are attached.
  • the two first connecting shafts 261 respectively rotate in the damping holes 2673 of the two first damping members 267, and each first damping member 267 is away from the elasticity of the corresponding first connecting shaft 261.
  • the retaining ring 2674 is also rotatably sleeved on the corresponding second connecting shaft 265. Since the first connecting shaft 261 and the second connecting shaft 265 are respectively inserted into the corresponding first damping member 267 with an interference fit, the folding device 24 can be positioned at any angle during the bending process.
  • the bending force can also be applied to the first frame 21 and the second frame 23 at the same time, and the first frame 21 and the second frame 23 respectively drive the corresponding connecting hinges.
  • the joint 257 rotates toward the side away from the flexible member 30 relative to the supporting hinge 255, and the linkage mechanism 26 realizes the bending of the electronic device 100.
  • the first frame body 21 or the second frame body 23 is pulled outward, so that the connecting links 257 connected to the first frame body 21 and the second frame body 23 face away from each other Rotate.
  • an outward pulling force is applied to at least one of the first frame 21 and the second frame 23 of the electronic device 100, so that the connecting links 257 connected to the first frame 21 and the second frame 23 Rotating in directions away from each other, the two opposite first link members 266 of each linkage mechanism 26 rotate in directions away from each other, and the two opposite second link members 269 also rotate in directions away from each other.
  • the first frame 21 drives the corresponding connecting hinge 257 to rotate relative to the supporting hinge 255 toward one side of the flexible member 30; the connecting hinge 257 drives two linkages
  • the first link member 266 and the second link member 269 of the mechanism 26 rotate so that the first link member 266 slides along the corresponding first guide chute 2590, and the second link member 269 moves along the corresponding second guide chute. 2595 slides, the second link member 269 slidably pulls the positioning piece 275 to rotate so that the positioning piece 275 is disengaged from the abutment surface 2715 and the second positioning surface 2757.
  • the first link member 266 and the second link member 269 jointly drive the second gear 2627 of the corresponding first transmission member 2625 to rotate along the corresponding first gear 2623, and the second connecting shaft 265 is in the corresponding second transmission member.
  • the second connecting shaft 265 also drives the first damping member 267 and the second damping member 268 to rotate along the corresponding first connecting shaft 261 toward one side of the flexible member 30;
  • two second The third gear 2645 of the transmission member 2641 respectively meshes with the third gear 2645 of the other two second transmission members 2641 to rotate, driving the other two second transmission members 2641 to move toward the flexible member 30 along the corresponding first connecting shaft 261 Turning on one side, the other two second transmission members 26
  • the second connecting shaft 265 drives the corresponding first link member 266 and the second link member 269 to rotate toward one side of the flexible member 30, so as to drive the corresponding support hinge 255 toward the flexible member 30 along the second virtual axis A2
  • the one-side rotating and connecting hinge 257 rotates along the first virtual axis A2 toward one side of the flexible member 30; at the same time, the first link member 266 and the second link member 269 are in the corresponding first guide sliding groove 2590 and the second The second guide chute slides in 2595, and the second link member 269 slides Pull the positioning piece 275 to rotate so that the positioning piece 275 is separated from the abutment surface 2715 and the second positioning surface 2757; until the second link member 269 pulls the positioning piece 275 to rotate until the side surface 2755 of the positioning piece 275 is positioned and attached to
  • the first positioning surface 2756 is used to position the folding device 24 in a flattened state, and the second stop surface 2628 of each first transmission member 2625 of each first gear assembly 262 is positioned
  • the third stop surfaces 2648 of the two second transmission members 2641 of each second gear assembly 264 are positioned in close contact with each other to prevent the linkage mechanism 26 from bending backwards and avoid damage to the flexible member 30.
  • the two second connecting shafts 265 rotate in the damping holes 2673 of the first damping member 267 and the damping holes 2683 of the second damping member 268, and each first damping member 267 And the second damping member 268 away from the corresponding second connecting shaft 261 circlips 2674, 2684 are rotatably sleeved on the corresponding first connecting shaft 265, because the first connecting shaft 261 and the second connecting shaft 265 respectively have interference
  • the first damping member 267 and the second damping member 267 are matingly inserted, so that the folding device 24 can be positioned at any angle during the flattening process.
  • the hinge body 25 will not change the distance between the two opposite sides of the two connecting hinges 257 that are bent or flattened to any angle, that is, the bendable area 31 of the flexible member 30 is bent or flattened.
  • the width at any angle will not change, which can prevent the flexible member 30 from arching and damage the screen during the bending or flattening process, and can ensure that the flexible member 30 is not damaged to the greatest extent.
  • the first frame 21 and the second frame 23 can be simultaneously applied with an outward pulling force, and the first frame 21 and the second frame 23 respectively drive the corresponding
  • the connecting hinge 257 rotates toward the side of the flexible member 30 relative to the supporting hinge 255 to realize the flattening of the electronic device 100.

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Abstract

一种折叠装置和具有折叠装置的电子设备（100），电子设备包括柔性件（30）、壳体（20）及折叠装置（24），壳体包括第一框体（21）及第二框体（23），折叠装置包括铰链主体（25）及设置于所述铰链主体一侧的至少一绷紧机构（26），绷紧机构包括至少一第一绷紧组件（281），至少一所述第一绷紧组件包括可相对所述铰链主体移动的移动件（2811），柔性件连接于所述移动件，移动件用于产生将所述柔性件拉伸的作用力，使柔性件处于绷紧状态。

Description

折叠装置及电子设备 技术领域
本申请涉及柔性件支撑领域，尤其涉及一种支撑柔性件的折叠装置、设置有所述折叠装置的电子设备。
背景技术
随着显示器材的发展，现已出现了一种可弯折超薄的电子显示屏，即柔性显示屏。柔性显示屏相对于传统的显示装置而言，具有可折叠、透明、曲面、柔性和可拉伸等优点，广泛地受到消费者的青睐。折叠式柔性显示屏通常包括折叠装置和柔性件，所述折叠装置用于支撑和保护柔性件，所述柔性件随所述折叠装置弯折或展平。现有技术中的覆盖于折叠装置的柔性件在展平或弯折过程中被挤压可能会凸起而损坏。
发明内容
本申请提供一种折叠装置及设置有所述折叠装置的电子设备，所述折叠装置能避免覆盖其上的柔性件被挤压凸起而损坏。
本申请提供的一种折叠装置，用于支撑柔性件，所述折叠装置包括铰链主体及设置于所述铰链主体一侧的至少一绷紧机构，所述绷紧机构包括至少一第一绷紧组件，至少一所述第一绷紧组件包括可相对所述铰链主体移动的移动件，所述柔性件连接于所述移动件，所述移动件用于产生将所述柔性件拉伸的作用力，使所述柔性件处于绷紧状态。
本申请还提供一种电子设备，包括柔性件、壳体及折叠装置，所述壳体包括第一框体及第二框体，包括铰链主体及设置于所述铰链主体一侧的至少一绷紧机构，所述绷紧机构包括至少一第一绷紧组件，至少一所述第一绷紧组件包括可相对所述铰链主体移动的移动件，所述柔性件连接于所述移动件，所述移动件用于产生将所述柔性件拉伸的作用力，使所述柔性件处于绷紧状态。
本申请的电子设备的折叠装置包括铰链主体及设置于所述铰链主体一侧的至少一绷紧机构，所述绷紧机构包括第一绷紧组件，所述第一绷紧组件的移动件相对所述铰链主体一侧移动。当所述柔性件的底面连接于所述铰链主体的上表面及所述移动件时，所述移动件能一直带动所述柔性件相对所述铰链主体的中部移动，从而使所述柔性件在弯折或展平的过程中一直处于绷紧状态，避免所述柔性件拱起而损坏。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，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是本申请其中一实施例中的电子设备的立体结构示意图。
图2是图1中的电子设备的柔性显示屏与壳体的立体分解示意图。
图3是图2中的壳体的分解示意图。
图4是图3中的折叠装置的另一视角的立体结构示意图。
图5是图3中的折叠装置的部分立体分解示意图。
图6是图5的折叠装置的另一视角的立体结构示意图。
图7是图5的中部铰节的立体结构分解示意图。
图8是图7的中部铰节的另一视角的立体结构分解示意图。
图9是图5的支撑铰节的立体结构示意图。
图10是图9的支撑铰节的另一视角的立体结构示意图。
图11是图5的连接铰节的立体结构分解示意图。
图12是图11的连接铰节的另一视角的立体结构分解示意图。
图13是图6中的其中一联动机构的立体结构放大图示意图。
图14是图13中的联动机构的另一视角的立体结构示意图。
图15是图13中的联动机构的立体结构分解示意图。
图16是图15中的联动机构的立体结构分解示意图。
图17是图15中的联动机构的其中一第一齿轮组件的立体结构分解示意图。
图18是图15中的联动机构的其中一第二齿轮组件的立体结构分解示意图。
图19是图11中的连接铰节的其中一连接框的立体结构放大图。
图20是图19中的连接框的立体结构分解示意图。
图21是图12中的连接铰节的其中一连接框的立体结构放大图。
图22是图21中的连接框的立体结构分解示意图。
图23是图12中的连接铰节的固定框的立体分示意图。
图24是图23中的固定框的另一视角的立体结构分解示意图。
图25是图3中的联动机构与钢片的立体结构放大示意图。
图26是图25中的联动机构与钢片的另一视角的立体结构放大示意图。
图27是图25中沿XXVII-XXVII线的剖视图。
图28是图25中沿XXVIII-XXVIII线的剖视图。
图29是图25中沿XXIX-XXIX线的剖视图。
图30是图25中沿XXX-XXX线的剖视图。
图31是图1中的电子设备的折叠装置的弯折状态的立体示意图。
图32是本申请电子设备的折叠装置的弯折状态的立体示意图。
图33是图32中的折叠装置的弯折状态的另一视角的局部结构示意图。
图34是图32中的折叠装置的弯折状态的端部结构示意图。
图35是图32中沿XXXV-XXXV线的剖视图。
图36是图32中沿XXXVI-XXXVI线的剖视图。
图37是图32中沿XXXVII-XXXVII线的剖视图。
图38是图32中沿XXXVIII-XXXVIII线的剖视图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例的描述中，需要理解的是，术语“上”、“下”“左”“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是暗示或指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
请一并参阅图1至图4，本申请的其中一实施例中的电子设备100包括一壳体20及设置于壳体20上的一柔性件30。壳体20包括一第一框体21、一第二框体23及连接于第一框体21与第二框体23之间的一折叠装置24。柔性件30设置于第一框体21、第二框体23 及折叠装置24上。柔性件30设置有对应折叠装置24的一可折弯区域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。折叠装置24用于支撑柔性件30的可折弯区域31，柔性件30随折叠装置24折弯或展平。折叠装置24包括铰链主体25及设置于铰链主体25的至少一联动机构26，铰链主体25包括位于其中部的中部铰节250、位于中部铰节250相对两侧的两个连接铰节257，及设置于中部铰节250与每一连接铰节257之间的支撑铰节255，每一支撑铰节255与中部铰节250及对应的连接铰节257转动连接。具体的，中部铰节250的端部相对的两侧分别转动地连接于两个支撑铰节255，每一支撑铰节255的端部背离中部铰节250的一侧转动地连接于对应的连接铰节257。联动机构26设置于中部铰节250上，联动机构26包括设置于其相对两侧的两个第一连杆件266，两个第一连杆件266背离联动机构26的一端分别滑动地连接于两个连接铰节257，其中一连接铰节257相对于中部铰节250相对柔性件30的出光面的一侧或朝向柔性件30的出光面的一侧转动，以带动对应的第一连杆件266及对应的支撑铰节255转动，并通过联动机构26带动另一第一连杆件266及对应的支撑铰节255及连接铰节257也相对柔性件30的出光面的一侧或朝向柔性件30的出光面的一侧转动。
具体的，当其中一连接铰节257朝远离柔性件30的出光面的一侧转动时，带动对应的第一连杆件266及支撑铰节255也朝远离柔性件30的出光面的一侧转动，联动机构26带动另一第一连杆件266也朝远离柔性件30的出光面的一侧转动，所述另一第一连杆件266带动另一连接铰节257及另一支撑铰节255也朝远离柔性件30的出光面的一侧转动，以使折叠装置24的同步弯折，从而实现柔性件30的可折弯区域31的弯折。当其中一连接铰节257朝向柔性件30的出光面的一侧转动时，带动对应的第一连杆件266及支撑铰节255也朝向柔性件30的出光面的一侧转动，联动机构26带动另一第一连杆件266也朝向柔性件30的出光面的一侧转动，所述另一第一连杆件266带动另一连接铰节257及另一支撑铰节255也朝向柔性件30的出光面的一侧转动，以使折叠装置24的同步展平，从而实现柔性件30的可折弯区域31的平展。
本实施例中，铰链主体25相对的两端分别设置有一个联动机构26，中部铰节250的数量为一个，连接铰节257及支撑铰节255的数量均为两个；柔性件30包括柔性屏及贴合于所述柔性屏的背面对应可折弯区域31的钢片，柔性屏贴接在第一框体21、第二框体23及折叠装置24上，所述钢片位于柔性屏与折叠装置24之间。
本实施例中，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。
本申请的电子设备100的折叠装置24包括铰链主体25及连接于铰链主体25的至少一联动机构26。铰链主体25的中部铰节250相对的两侧分别转动地连接于连接铰节257，联动机构26设置于中部铰节250上，且联动机构26相对的两侧的第一连杆件266分别滑动地连接于两个连接铰节257。当联动机构26的其中一第一连杆件266随对应的连接铰节257朝一侧转动时，所述联动机构26带动另一第一连杆件266也朝同侧转动，所述另一第一连杆件266带动另一连接铰节257也朝同侧转动，从而方便折叠装置24的弯折及展平，以使折叠装置24能够适应柔性件30弯曲要求的支撑结构。需要说明，“同侧”为相对于弯折侧而言，换言之，所述另一第一连杆件266带动另一连接铰节257同时朝弯折内侧弯折，或者同时朝弯折外侧弯折。
如图5至图6所示，铰链主体25包括位于中部的一个中部铰节250、可转动地连接于中部铰节250相对的两侧的两个支撑铰节255，以及可转动地分别连接于两个支撑铰节255背离中部铰节250外侧的两个连接铰节257。具体的，中部铰节250相对的两端的一侧与其中一支撑铰节255相对的两端可转动地连接，另一侧与另一支撑铰节255相对的两端可 转动地连接；每一支撑铰节255背离中部铰节250的一侧相对的两端分别可转动地连接于对应的连接铰节257相对的两端。本实施例中，中部铰节250与每一支撑铰节255通过转轴连接；每一支撑铰节255与对应的连接铰节257也通过转轴连接。
请一并参阅图7及图8，中部铰节250包括位于其中部的一固定条251、位于固定条251相对的两端的两个连接条253，以及两个固定件254，两个固定件254用于将两个连接条253与固定条251相对的两端固定，以构成条形状的中部铰节250。固定条251包括横截面为圆弧形的上表面2511，固定条251相对的两端分别设置一固定块2512，每一固定块2512背离上表面2511的一侧开设穿通相邻的端面的固定槽2513。固定条251相对的两端面分别开设定位孔2514，每一固定块2512的固定槽2513的底面开设连接孔2516。
每一连接条253包括横截面为圆弧形的上表面2531，连接条253远离固定条251的一端设置三角形的连接片2532，连接片2532相对的两侧分别开设轴孔2533。每一连接条253背离上表面2531的侧面于邻近连接片2532处设置有导滑块2535，导滑块2535相对的两侧分别设置弧形的第一导槽2536，导滑块2535于每一第一导槽2536内设置弧形的第一导滑面2537。连接条253背离上表面2531的侧面于邻近导滑块2535处设置定位块2538，定位块2538背离导滑块2535的端面开设两个定位孔2539。连接条253远离连接片2532的一端开设通孔2534。
每一固定件254包括固定块2541，固定块2541相对的两侧分别开设第二导槽2542，固定块2541于每一第二导槽2542内设围弧形的第二导滑面2543。固定块2541于两个第二导槽2542之间设置连接柱2544，连接柱2544上开设连接孔。固定块2541的一端凸设有连接块2545，连接块2545背离固定块2541的端面对应定位孔2539开设两个定位孔2546。固定块2541的另一端面凸设固定板2547及卡柱2548，固定板2547上开设通孔2549。
请一并参阅图9及图10，每一支撑铰节255为条状，支撑铰节255包括横截面为圆弧形的上表面2551，支撑铰节255相对的两端分别设置三角形的连接片2552，连接片2552相对的两侧分别开设轴孔2553。支撑铰节255背离上表面2551的侧面邻近每一连接片2552处设置导滑片2555，每一导滑片2555可滑动地收纳于第一导槽2536内，导滑片2555设置可滑动地贴合于对应的第一导滑面2537上的圆弧形的第三导滑面2557，导滑片2555与对应的导滑块2535构成支撑铰节255与中部铰节250的第一导引机构，所述第一导引机构限定的转动轨迹为围绕一圆心旋转，所述圆心位于柔性件30上，具体的，第一导滑面2537的旋转轴心线及第三导滑面2557的旋转轴心线重合，且位于柔性件30上，优选的，第一导滑面2537的旋转轴心线及第三导滑面2557的旋转轴心线位于柔性件30的中性层上。支撑铰节255背离上表面2551的侧面邻近中部处设置间隔的两个导滑凸块2558，每一导滑凸块2558可滑动地收纳于对应的第二导槽2542内，即导滑凸块2558与第二导槽2542构成支撑铰节255与中部铰节250之间的第二导引机构；导滑凸块2558设置可滑动地贴合于第二导槽2542内的第二导滑面2543的弧形的第四导滑面2559；所述第二导引机构限定的转动轨迹为围绕一圆心旋转，所述圆心位于柔性件30上；具体的，第二导滑面2543的旋转轴心线及第四导滑面2559的旋转轴心线重合，且位于柔性件30上，优选的，第二导滑面2543的旋转轴心线及第四导滑面2559的旋转轴心线位于柔性件30的中性层上。
请一并参阅图11及图12，每一连接铰节257的上表面的一侧沿其长度方向设置一排收纳齿2570，连接铰节257上可滑动地设置有一钢片312(如图2及图3所示)，钢片312对应收纳齿2570的一侧开设一排锯齿314，锯齿314与对应的收纳齿2570啮合。连接铰节257包括位于其中部的固定框258及位于固定框258相对的两端的两个连接框259，两个连接框259分别连接于固定框258相对的两端，以构成条形状的连接铰节257。固定框258相对的两端分别设置连接块2581，连接块2581沿固定框258的长度方向开设连接槽，连接槽内收纳弹簧2583，弹簧2583的一端抵顶固定框258，另一端连接一卡接块2584。 连接块2581的上表面于连接槽2582相对的两侧分别开设连接孔2585，连接块2581的端面开设卡接孔2586。
每一连接框259远离固定框258的一端设置连接片2592，连接片2592邻近收纳齿2570的一侧开设轴孔2591，连接框259背离收纳齿2570的侧面于远离连接片2592的端部开设连接槽2593，连接槽2593用于收纳对应的连接块2581；连接框259于连接槽2593的端面开设连通连接槽2593的卡接孔2594，卡接孔2594用于卡接对应的卡接块2584。连接框259于连接槽2593的端面凸设卡柱，连接框259于连接槽2593的下表面开设两个通孔2596。每一连接框259邻近连接片2592的一端朝远离收纳齿2570的一侧垂直延伸一凸耳2597，凸耳2597沿其延伸方向开设用于收纳滑动板的滑槽2598。每一连接铰节257对应第一连杆件266开设第一导滑槽2590，第一连杆件266滑动地插设于第一导滑槽2590内。每一连接铰节257背离凸耳2597的一侧面开设连通于滑槽2598的第二导滑槽2595。
请一并参阅图13至图16，每一联动机构26包括连接于中部铰节250的两个间隔平行的第一连接轴261、套设于两个第一连接轴261的至少一第一齿轮组件262及至少一第二齿轮组件264、两个第二连接轴265及两个第一连杆件266；两个第二连接轴265分别位于两个第一连接轴261相对的两侧，每一第一连接轴261分别穿插于第一齿轮组件262及第二齿轮组件264，每一第二连接轴265与第一齿轮组件262固定连接，第二连接轴265与第二齿轮组件264转动连接，两个第一连杆件266的一端分别连接于第一齿轮组件262相对的两端，两个第一连杆件266的另一端分别滑动地连接于两个连接铰节257的第一导滑槽2590。
本实施例中，联动机构26包括两个第一齿轮组件262及两个第二齿轮组件264，第一连接轴261及第二连接轴265相对的两端分别设置有一个第一齿轮组件262及一个第二齿轮组件264，两个第二连接轴265位于两个第一齿轮组件262之间，每一第一连杆件266一端连接于两个第一齿轮组件262。
如图17及图18所示，每一第一齿轮组件262包括一固定件2621及位于固定件2621相对的两端的两个第一传动件2625，每一第一传动件2625与固定件2621之间齿轮配合。两个第一连接轴261连接于固定件2621，每一第二连接轴265固定连接于对应的第一传动件2625邻近固定件2621处，每一第一连杆件266固定连接于对应的第一传动件2625远离固定件2621处；第二齿轮组件264包括两个第二传动件2641，两个第二传动件2641之间齿轮配合，每一第二传动件2641套设于对应的第一连接轴261及第二连接轴265上。
具体的，固定件2621呈矩形体，固定件2621沿平行于第一连接轴261的轴心线方向开设圆形的两个轴孔2622，固定件2621相对的两个端面分别设置第一齿轮2623，第一齿轮2623是沿对应的轴孔2622的轴心线环形阵列的若干齿牙。固定件2621的端面于每一第一齿轮2623的上侧设置第一止挡面2624。每一第一传动件2625概呈矩形体，第一传动件2625相对的两端沿平行于第二连接轴265的轴心线方向开设两个定位通孔2626，本实施例中，每一定位通孔2626的横截面为腰形。第一传动件2625面朝固定件2621的一端设置啮合于第一齿轮2623的第二齿轮2627，第一传动件2625面朝固定件的端面于第二齿轮2627的上侧设置第二止挡面2628，当第二止挡面2628贴接于第一止挡面2624时，能阻止第一传动件2625与固定件2621之间的转动，以防止柔性件30反折而损坏。第一传动件2625背离第二齿轮2627的端面设置为圆弧面。
具体的，每一第二传动件2641概呈矩形体，第二传动件2641相对的两端沿平行于第一连接轴261的轴心线方向开设两个轴孔2643。每一第二传动件2641面朝另一第二传动件2641的一端设置第三齿轮2645，两个第二传动件2641上的第三齿轮2645相互啮合，每一第三齿轮2645沿对应的轴孔2643的轴心线环形阵列的若干齿牙。第二传动件2641设置有第三齿轮2645的端面于所述第三齿轮2645的上侧设置第三止挡面2648，当两个第三 止挡面2648相互贴接时，能阻止两个第二传动件2641之间相互转动，以防止柔性件30反折而损坏。第二传动件2641背离第三齿轮2645的端面设置为圆弧面。
如图15及图16所示，每一第一连接轴261包括位于其中部的连接段2611及位于连接段2611相对的两端的定位段2612，连接段2611的横截面为圆形，定位段2612的横截面为腰形。每一第二连接轴265包括位于其中部的连接段2651及位于连接段2651相对的两端的定位段2652，连接段2651的横截面为圆形，定位段2652的横截面为腰形。
如图15及图16所示，每一第一连杆件266包括可滑动地连接于对应的连接铰节257的连杆2661及设置于连杆2661一端的固定轴2663，固定轴2663相对的两端分别固定连接于对应的第一传动件2625的远离固定件2621的定位通孔2626内。具体的，连杆2661为矩形的连接片，固定轴2663固定于所述连接片的一端，且固定轴2663相对的两端延伸出连杆2661，固定轴2663的横截面为腰形。连杆2661相对的两侧分别套设导轨2665，导轨2665定位于对应的连接铰节257的第一导滑槽2590内，连杆2661与导轨2665滑动地配合。
每一联动机构26还包括设置于每一第一连接轴261与对应的第二连接轴265之间的第一阻尼件267，第一阻尼件267用于提供折叠装置24在转动时的阻力。
具体的，第一阻尼件267包括若干层叠的阻尼片2671，每一阻尼片2671设置有孔径能弹性伸缩的两个阻尼孔2673，第一连接轴261及第二连接轴265分别过盈配合地插接于两个阻尼孔2673内。
每一阻尼片2671包括两个孔用弹性挡圈2674，以及连接于两个孔用弹性挡圈2674之间的连接部2675，即，两个孔用弹性挡圈2674分别位于连接部2675相对的两侧。每一孔用弹性挡圈2674包括凸设于连接部2675一端的第一弹性肩，以及凸设于连接部2675相对的另一端的第二弹性肩。所述第一弹性肩与所述第二弹性肩之间围成阻尼孔2673。阻尼孔2673的直径略小于第一连接轴261及第二连接轴265的直径。
每一联动机构26还包括设置于每一第一连接轴261与对应的第二连接轴265之间的第二阻尼件268，第二阻尼件268由弹性材料制成，第二阻尼件268用于提供折叠装置24在转动时的阻力。第二阻尼件268设置有孔径能弹性伸缩的两个阻尼孔2683，第一连接轴261及第二连接轴265分别过盈配合地插接于两个阻尼孔2683内。具体的，第二阻尼件268包括两个孔用弹性挡圈2684，以及连接于两个孔用弹性挡圈2684之间的连接部2685。每一孔用弹性挡圈2684包括凸设于连接部2685一端的第一弹性肩，以及凸设于连接部2685相对的另一端的第二弹性肩。所述第一弹性肩与所述第二弹性肩之间围成阻尼孔2683。阻尼孔2683的直径略小于第一连接轴261及第二连接轴265的直径。
每一联动机构26还包括至少两个第二连杆件269，两个第二连杆件269的一端分别连接于两个第二连接轴265，两个所述第二连接件269相对的另一端分别滑动地连接于两个连接铰节257。具体的，每一第二连杆件269包括条形状的连杆2691及设置于连杆2691一端的连接柱2693；连杆2691的一侧设置一转接轴2694，连接柱2693沿其轴向开设连接孔2695，连接孔2695的横截面为腰形。联动机构26不包括若干垫片2697，每一垫片2697开设腰形的定位孔。
请一并参阅图13及图18，组装联动机构26时，将两根第一连接轴261及两根第二连接轴265分别插入两个第一阻尼件267的阻尼孔2673内，每一第一阻尼件267上分别插接有第一连接轴261及第二连接轴265；将其中一第二齿轮组件264的两个第二传动件2641的第三齿轮2645啮合后，套接于第一连接轴261及第二连接轴265的一端，直至所述其中一第二齿轮组件264贴接于第一阻尼件267；再将另一第二齿轮组件264的两个第二传动件2641的第三齿轮2645啮合后，套接于第一连接轴261及第二连接轴265的另一端，直至所述另一第二齿轮组件264贴接于第一阻尼件267；此时，第一阻尼件267位于两个第 二齿轮组件264之间，两根第一连接轴261位于两根第二连接轴265之间。再将每一第一齿轮组件262的两个第一传动件2625的第二齿轮2627分别与固定件2621的两个第一齿轮2623相互啮合，将其中一第一齿轮组件262套接于第一连接轴261及第二连接轴265的一端，使两根第一连接轴261分别插入固定件2621的轴孔2622内，将两根第二连接轴265分别插入两个第一传动件2625靠近固定件2621的定位通孔2626内；将另一第一齿轮组件262套接于第一连接轴261及第二连接轴265的另一端，使两根第一连接轴261分别插入固定件2621的轴孔2622内，将两根第二连接轴265分别插入两个第一传动件2625靠近固定件2621的定位通孔2626内；将两个第一连杆件266分别放置于两个第一阻尼件267相对的两侧，使每一第一连杆件266的固定轴2663相对的两端分别插接对应的第二传动件2641的定位通孔2626内。此时，每一第一连杆件266的固定轴2663相对的两端分别固定连接于对应的第一传动件2625远离固定件2621的定位通孔2626内，每一第二连接轴265相对的两端分别固定连接于对应的第一传动件2625邻近固定件2621的定位通孔2626内。将两个第二阻尼件268分别套接于第一连接轴261及第二连接轴265上，至两个第二阻尼件268接触对应的第一齿轮组件262；将两个垫片2697分别套接于两个第一连接轴261上，至两个垫片2697分别接触第二阻尼件268；再将两个第二连杆件269的连接柱2693分别套接于两个第二连接轴265上，使两根第二连接轴265分别固定连接于两个第二连杆件269的连接孔2695内。
联动机构26弯折时，将其中一第二连接轴265上的第一连杆件266及第二连杆件269朝向另一第一连杆件266转动，所述其中一第二连接轴265上的第一连杆件266的固定轴2663带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623转动，同时，第二连杆件269通过对应的第二连接轴265带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623转动及带动对应的第二传动件2641的第三齿轮2645沿对应的另一第二传动件2641的第三齿轮2645转动；由于固定轴2663与第一传动件2625固定连接，第二连杆件269与第二连接轴265固定连接，第二连接轴265与第一传动件2625固定连接，且第二连接轴265与第二传动件2641转动连接，因此，第一连杆件266及第二连杆件269共同带动对应的第一传动件2625的转动，第二连接轴265在对应的第二传动件2641的轴孔2643内转动并带动第二传动件2641转动；第二传动件2641的转动带动与其啮合的另一第二传动件2641转动，所述另一第二传动件2641带动另一第二连接轴265转动，所述另一第二连接轴265带动另一第一传动件2625的第二齿轮2627沿固定块2621对应的第一齿轮2623转动，并带动另一第一连杆件266转动，从而使两个第一连杆件266及两个第二连杆件269同时相互靠近而折弯。在此联动过程中，由于每一第一连接轴261及第二连接轴265与对应的阻尼片2671的阻尼孔2673过盈配合，因此，第一阻尼件267能将两个第一连杆件266转动定位于任意角度。
在其他的使用方式中，可以将两个第一连杆件266及两个第二连杆件269朝相向方向一同转动，两个第一连杆件266的固定轴2663带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623朝相向方向转动；同时，两个第二连杆件269通过对应的第二连接轴265也带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623朝相向方向转动，且第二连接轴265带动对应的第二传动件2641的第三齿轮2645沿对应的另一第二传动件2641的第三齿轮2645朝相向方向转动，从而使两个第一连杆件266及两个第二连杆件269同时相互靠近而折弯。
当联动机构26由弯折状态展平时，将同侧的其中一第一连杆件266及第二连杆件269朝远离另一第一连接杆261转动，所述其中一第一连杆件266的固定轴2663带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623转动，同时，第二连杆件269通过对应的第二连接轴265带动对应的第一传动件2625的第二齿轮2627也沿对应的第一齿轮 2623转动，以及带动对应的第二传动件2641的第三齿轮2645沿对应的另一第二传动件2641的第三齿轮2645转动；由于固定轴2663与第一传动件2625固定连接，第二连接轴265与第一传动件2625也固定连接，且第二连接轴265与第二传动件2641转动连接，因此，第一连杆件266及第二连杆件269共同带动对应的第一传动件2625朝远离另一第一传动件2625转动，第二连接轴265在对应的第二传动件2641的轴孔2643内转动并带动第二传动件2641朝远离另一第二传动件2641转动；第二传动件2641的转动带动与其啮合的另一第二传动件2641转动，所述另一第二传动件2641带动另一第二连接轴265转动，所述另一第二连接轴265带动另一第一传动件2625的第二齿轮2627沿固定块2621对应的第一齿轮2623朝远离固定块2621转动，并带动另一第一连杆件266转动，从而使两个第一连杆件266及两个第二连杆件269同时相互远离而展平。在此联动过程中，由于每一第一连接轴261及第二连接轴265与对应的阻尼片2671的阻尼孔2673及第二阻尼件268的阻尼孔2683过盈配合，因此，第一阻尼件267及第二阻尼件268能将两个第一连杆件266及第二连杆件269转动定位于任意角度。
在其他的使用方式中，可以将两个第一连杆件266及两个第二连杆件269朝相反方向一同转动，两个第一连杆件266的固定轴2663带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623朝相反方向转动；同时，两个第二连杆件269通过对应的第二连接轴265也带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623也朝相反方向转动，且第二连接轴265带动对应的第二传动件2641的第三齿轮2645沿对应的另一第二传动件2641的第三齿轮2645朝相反方向转动，从而使两个第一连杆件266及两个第二连杆件269同时相互远离而展平。
如图19至图22所示，折叠装置24还包括滑动地设置于每一连接框259的凸耳2597上的下滑板271及上滑板273、定位片275及连接件277。具体的，每一凸耳2597的滑槽2598内均滑动地插接相互层叠的下滑板271及上滑板273，凸耳2597于滑槽2598相对的两侧壁沿所述滑槽2598的延伸方向开设导槽2599，下滑板271相对的两侧分别插入两个导槽2599内。下滑板271呈矩形板，下滑板271相对的两侧分别凸设导滑条2711，两个导滑条2711能滑动地插接于凸耳2597的导槽2599内。下滑板271的一端凸设连接片2713，连接片2713上开设连接孔2714。下滑板271邻近连接片2713的一侧为垂直于下滑板271的滑动方向的抵顶面2715。下滑板271的上表面开设两连接孔2714。上滑板273的上表面对应下滑板271的两个连接孔2714开设两个滑槽2731，每一滑槽2731沿上滑板273的滑动方向延伸。定位片275为矩形板，定位板275的一端开设旋转孔2752，定位板275相对的另一端沿其长度方向开设条形槽2754。定位板275相对的两端分别设置圆角面，定位板275相对的两侧为相互平行的侧面2755。连接框259于邻近第二导滑槽2595处设置第一定位面2756及连接于第一定位面2756的第二定位面2757，第一定位面2756倾斜于下滑板271的滑动方向延伸，第二定位面2757沿垂直于下滑板271的滑动方向延伸。连接件277包括圆形的挡板2771及垂直凸设于挡板2771中部的轴柱2773。
组装下滑板271、上滑板273、定位片275及连接件277至连接框259时，将定位片275开设有旋转孔2752的一端放置于连接片2713与抵顶面2715围成的空间内，使旋转孔2752正对连接孔2714；将连接件277的轴柱2773依次插入连接孔2714及旋转孔2752内，将下滑板271的导滑条2711插入导槽2599内，直至定位片275开设有条形槽2754的一端收容于第二导滑槽2595内，此时，定位片275的其中一侧面2755面朝抵顶面2715，相对的另一侧面2755面朝第一定位面2756及第二定位面2757。再将上滑板273放置于下滑板271上，两个螺钉分别穿过上滑板273的滑槽2731后锁固于下滑板271的连接孔2714内。下滑板271固定连接于第一框体21或第二框体23，柔性件30包括柔性屏与钢片；柔性屏覆盖第一中框21、第二中框23以及折叠装置24，而钢片覆盖该折叠装置，因此，下滑板 271亦固定连接于该柔性屏，用于柔性屏的滑动补偿，换言之，无论电子装置如何弯折，柔性屏两端的距离保持不变(不考虑柔性屏本身的延展性)；上滑板273固定连接于钢片312，从而当折叠装置24在弯折和展开的过程，用于钢片312的滑动补偿，换言之，无论折叠装置24的长度如何，可以保护钢片312两端的距离不变(不考虑钢片本身的延展性)；另外，下滑板271与上滑板273层叠后收容于滑槽2598内，减少了下滑板271与上滑板273占用电子设备100的第一框体21和第二框体23的内部空间，方便第一框体21和第二框体23留有足够的内部空间容纳电池等其他元部件。
请一并参阅图22及图23，折叠装置24还包括用于绷紧柔性件30的绷紧机构，绷紧机构包括分别设置于每一连接铰节257与柔性件30之间的第一绷紧组件281、设置于连接铰节257与第一框体21和/或第二框体23之间的第二绷紧组件283、上述钢片312及上述上滑板273。第一绷紧组件281用于相对铰链主体25的一侧抵推柔性件30，使柔性件30的可折弯区域31一直保持绷紧状态，以防止柔性件30的可折弯区域31拱起而损坏；第二绷紧组件283用于朝远离铰链主体25的一侧抵推第一框体21和/或第二框体23，使柔性件30一直处理绷紧状态，以防止柔性件30拱起而损坏。具体的，第一抵推组件281通过钢片312连接于柔性件30，且钢片312固定连接于上滑板273，第一抵推组件281驱动钢片312及上滑板273朝远离铰链主体25的中部铰节250的一侧移动，使可折弯区域31一直处于绷紧状态，防止可折弯区域31拱起
本实施例中，每一连接铰节257上设置有两个间隔的第一绷紧组件281。具体的，间隔的两个第一绷紧组件281设置于固定框258上，两个第一绷紧组件281均连接于柔性件。每一第一绷紧组件281包括一移动件2811、第一弹性件2815及一安装件2816，安装件2816将移动件2811及第一弹性件2815安装于固定框258，第一弹性件2815连接于移动件2811，移动件2811连接并抵推柔性件30。第一弹性件2815一直提供使移动件2811相对铰链主体25一侧移动的力，即第一弹性件2815迫使移动件2811相对中部铰节250的一侧移动。
移动件2811包括连接板2812及设置于连接板2812一侧的抵顶板2813，抵顶板2813相对的两端分别设置导槽2814。第一弹性件2815为弹簧。本实施例中，每一第一绷紧组件281包括两个第一弹性件2815。安装件2816包括条形的安装片2517及两个锁固件2518，安装片2517相对的两端分别开设通孔。每一锁固件2518包括螺钉及设置于螺钉的螺柱远离螺帽一端的导柱2510。
固定框258上设置有用于安装第一绷紧组件281的结构，具体的，固定框258的上表面相对的两端分别开设导滑槽25801，导滑槽25801穿通固定框258的下表面，导滑槽25801的长度大于或等于抵顶板2813的长度，导滑槽25801的宽度大于抵顶板2813的厚度。所述导滑槽25801的宽度指垂直于固定框258的长度方向延伸的空间，所述导滑槽25801的长度指沿固定框258的长度方向延伸的空间。固定框258的上表面于每一导滑槽25801的一侧开设穿通背离收纳齿2570的侧面的收容槽25802，收容槽25802连通导滑槽25801。固定框258于每一导滑槽25801的邻近收纳齿2570的侧面开设两个穿插孔25804及两个收容孔25805，两个收容孔25805位于两个穿插孔25804之间，每一穿插孔25804及每一收容孔25805均沿移动件2811的移动方向延伸，穿插孔25804及收容孔25805均穿通固定框258而连通导滑槽25801。固定框258邻近收纳齿2570的侧面对应两个导滑槽25801分别开设两个定位槽25807，穿插孔25804及收容孔25805均连通定位槽25807。
组装每一第一绷紧组件281至固定框258时，将移动件2811插入导滑槽25801内，使移动件2811的抵顶板2813伸入收纳槽2580内，连接板2812收容于收容槽25802内，连接板2812的上表面与连接铰节257的上表面共面，且连接板2812在收容槽25802内能沿移动件2811的移动方向滑动；将两个第一弹性件2815分别插入两个收容孔25805内，且抵接于抵顶板2813；将安装片2517收纳入定位槽25807内，将两个锁固件2518分别穿过 安装片2517的通孔插入两个穿插孔25804内，且使两个锁固件2518的螺钉固定于穿插孔25804。此时，抵顶板2813的两个导槽2814滑动地套设于两个第一弹性件2815的导柱2510，第一弹性件2815弹性抵推抵顶板2813朝外滑动至抵顶导滑槽25801的背朝收纳齿2570的侧面。
如图19至图22所示，第二绷紧组件283为设置于每一连接铰节257与第一框体21和/或第二框体23的若干弹性件。本实施例中，第二绷紧组件283包括设置于第一框体21与对应的连接铰节257之间若干弹簧2832，以及设置于第二框体23与对应的连接铰节257之间的若干弹簧2832。具体的，第一框体21与对应的连接铰节257的每一连接框259之间设置有两根弹簧2832，第二框体23与对应的连接铰节257的每一连接框259之间设置有两根弹簧2832。每一连接框259于凸耳2597相对的两侧分别凸设有一定位柱2584，弹簧2832的一端定位于定位柱2584上。
在其他实施例中，每一连接铰节257上也可以设置有一个第一绷紧组件281或三个或三个以上的第一绷紧组件281。
在其他实施例中，第二绷紧组件283也可以设置于固定框258与第一框体21和/或第二框体23之间。
请一并参阅图5至图30，组装折叠装置24时，安装两个联动机构26至中部铰节250上，具体的，将两个联动机构26分别放置于中部铰节250的两个连接条253上，使每一联动机构26的两个第二连杆件269之间的两根第一连接轴261插入对应的连接条253的定位块2538的定位孔2539内；将两个固定件254的固定板2547分别卡入固定条251的两个固定槽2513内，且固定件254的卡柱2548分别插入对应的定位孔2514内；将两个连接条253远离联动机构26的一端分别覆盖在两个固定件254上，使每一联动机构26的两根第一连接轴261远离第二连杆件269的端部分别插入对应的固定件254的定位孔2546内，若干锁固件分别插入固定件254的通孔2549及连接条253的通孔2534，锁固于固定条251上对应的连接孔2516及对应的固定件254的连接柱2544上的连接孔。此时，两个联动机构26均安装于中部铰节250上，两个连接条253的上表面2531与固定条251的上表面2511共面。
安装两个支撑铰节255至中部铰节250上，具体的，将两个支撑铰节255分别放置于中部铰节250相对的两侧，将每一支撑铰节255的两个导滑片2555分别插入对应的第一导槽2536内，使第三导滑面2557滑动地贴合于对应的第一导滑面2537，且两个导滑凸块2558分别插入对应的固定件254的第二导槽2542内，使第四导滑面2559滑动地贴合于第二导滑面2543；此时，每一支撑铰节255两端的连接片2552的轴孔2553正对中部铰节250对应的连接片2532的轴孔2533，若干连接轴分别插入轴孔2533及轴孔2553使两个支撑铰节255分别可转动地连接于中部铰节250相对的两侧。
安装两个连接铰节257至支撑铰节255上，具体的，先组装每一连接铰节257，将固定框258相对的两个连接块2581分别插入两个连接框259两个连接槽2593内，使卡接块2584卡入对应的卡接孔2594内，每一连接框259的连接槽2593内的凸柱卡入对应的卡接孔2586；固定框258相对的两端分别设置弹簧2583及卡接块2584能方便连接框259与固定框258的安装。若干锁固件分别插入若干通孔2596锁固于对应的连接孔2585内，从使连接框259安装于固定框258相对的两端；再将两个连接铰节257分别放置于支撑铰节255的外侧，使每一联动机构26的第一连杆件266及第二连杆件269分别插入对应的连接铰节257的第一导滑槽2590及第二导滑槽2595，第一连杆件266可滑动地插接于第一导滑槽2590内，第二连杆件269的转接轴2694可转动并可滑动地插入对应的定位片275的条形槽2754。此时，每一连接铰节257两端的连接片2592的轴孔2591分别正对相应的支撑铰 节255的连接片2552的轴孔2553，若干连接轴分别插入轴孔2591及对应的轴孔2553使两个连接铰节257分别可转动地连接于两个支撑铰节255上。
此时，如图27所示，两个连接铰节257分别与对应的两个支撑铰节255铰接，两个支撑铰节255远离连接铰节257的一侧分别与中部铰节250相对的两侧之间铰连，具体的，每一连接铰节257与对应的支撑铰节255之间通过第一虚拟轴A1转动，每一支撑铰节255与中部铰节250之间通过第二虚拟轴A2转动，两个第二虚拟轴A2位于两个第一虚拟轴A1之间，两个第一虚拟轴A1分别到对应的第二虚拟轴A2的距离相同，且等于两个第二虚拟轴A2之间的距离。两个连接铰节257分别绕对应的第一虚拟轴A1转动；两个支撑铰节255分别绕对应的第二虚拟轴A2转动。每一第一虚拟轴A1间隔平行于所述第二虚拟轴A2，且第一虚拟轴A1的轴半径与第二虚拟轴A2的轴半径相同。在展平状态下，两个连接铰节257相背的两个侧面之间的距离为L，即两个连接铰节257弯折外侧的两个侧面之间在展平时的直线距离为L。本实施例中，两个连接铰节257相背的两个侧面之间的距离等于可折弯区域31的宽度。第一虚拟轴A1及第二虚拟轴A2均位于铰链主体25的外部，优选的，第一虚拟轴A1及第二虚拟轴A2均位于覆盖在铰链主体25上的柔性件30上，从而能提高所述柔性件30的耐弯曲性，且能保证柔性件30最大程度不受损。进一步地，第一虚拟轴A1与第二虚拟轴A2还可以位于柔性件的中性层上。
所述中性层是指柔性件30在弯曲的过程中，所述柔性件30的外层受拉伸，所述柔性件30的内层受挤压，在其断面上有一个不受拉伸，又不受挤压或受到拉伸或挤压的作用力相对较小的过渡层，所述过渡层的应力很少，所述过渡层即为中性层。
柔性件30贴设于展开状态中各连接铰节/转动铰节/定位组件/连接机构的弧面的顶部，并与各弧面的顶部之外的其他区域隔开。通过上述虚拟轴的方案，使得柔性件30在弯折时可以保持长度基本不变。
由于采用直齿轮啮合的方式联动，相比于采用斜齿轮啮合联动的方式而言，不需要很高的制造精度，可有效地降低生产成本，提升生产效率。
请一并参阅图1至图3，将安装完成的折叠装置24置于第一框体21与第二框体23之间，将两个钢片312分别固定连接于两个连接铰节257上的移动件2811及对应的两个上滑板273，此时，每一钢片312的排锯齿314与对应的收纳齿2570配合，且排锯齿314与收纳齿2570之间沿垂直于折叠装置24的旋转轴心线方向上有间隙，即移动件2811带动对应的钢片312及对应的两个上滑板273朝远离中部铰节250的一侧移动。将两个连接链节257的凸耳2597及凸耳2597上的下滑板271分别连接于第一框体21及第二框体23上，此时，第一框体21与对应的连接铰节257之间夹持弹簧2832，第二框体23与对应的连接铰节257之间夹持弹簧2832。将第一框体21及第二框体23向折叠装置24挤压，使对应的弹簧2832被挤压而发生弹性变形，且将两个钢片312均向中部铰节250挤压，使对应的第一绷紧组件281的第一弹性件2815发生弹性变形后，将柔性件30的两个非折弯区域33的背面分别贴接于第一框体21及第二框体23上，将柔性件30的可折弯区域31的背面装设于折叠装置24的正面及两个钢片312。此时，柔性件30的背面固定于第一框体21、第二框体23及折叠装置24上，柔性件30的可折弯区域31可随折叠装置24的弯折而弯曲，第一绷紧组件281及第二绷紧组件283直接向折叠装置24相对的两侧抵推柔性件30，使柔性件30一直处于绷紧状态，防止柔性件30拱起而损坏。当柔性件30处在展平状态时，的每一定位片275的其中一侧面2755定位贴合于对应的第一定位面2756，使折叠装置24保持展平状态。
请一并参阅图31至图38，弯折电子设备100时，对电子设备100的第一框体21及第二框体23至少其中一个施加折弯的力，使连接于第一框体21和第二框体23上的连接链节257朝相互邻近的方向转动，通过联动机构26实现折叠装置24的折弯。具体的，如对第 一框体21施加折弯的力，第一框体21带动对应的连接铰节257相对于支撑铰节255沿所述第一虚拟轴A1朝远离柔性件30的一侧转动；连接铰节257带动两个联动机构26对应的第一连杆件266及第二连杆件269转动，使第一连杆件266沿对应的第一导滑槽2590滑动，第二连杆件269沿对应的第二导滑槽2595滑动，第二连杆件269滑动地抵推定位片275转动使定位片275脱离与第一定位面2756的贴合；由于第一连杆件266的固定轴2663与第一传动件2625固定连接，第二连杆件269与第二连接轴265固定连接，第二连接轴265与第一传动件2625固定连接，且第二连接轴265与第二传动件2641转动连接。因此，第一连杆件266及第二连杆件269共同带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623转动，第二连接轴265在对应的第二传动件2641的轴孔2643内转动并带动第二传动件2641转动，使对应的支撑铰节255沿所述第二虚拟轴A2朝远离柔性件30的一侧转动，导滑片2555在对应的第一导槽2536内转动，第三导滑面2557滑动地贴合于第一导滑面2537，且导滑凸块2558在对应的第二导槽2542内转动，第四导滑面2559滑动贴合于对应的第二导滑面2543；同时，第二连接轴265也带动第一阻尼件267及第二阻尼件268沿对应的第一连接轴261朝远离柔性件30的一侧转动；两个第二传动件2641的第三齿轮2645分别啮合于另外两个第二传动件2641转动，带动所述另外两上第二传动件2641沿对应的第一连接轴261朝远离柔性件30的一侧转动，所述另外两个第二传动件2641带动对应的另外的第二连接轴265朝远离柔性件30的一侧转动，由于第一连杆件266的固定轴2663与第一传动件2625固定连接，第二连杆件269与第二连接轴265固定连接，第二连接轴265与第一传动件2625固定连接，且第二连接轴265与第二传动件2641转动连接，因此，所述另外的第二连接轴265带动第一连杆件266及第二连杆件269朝远离柔性件30的一侧转动，以带动对应的支撑铰节255沿第二虚拟轴A2朝远离柔性件30的一侧转动及连接铰节257沿第一虚拟轴A2朝向柔性件30的一侧转动；同时，第一连杆件266及第二连杆件269在对应的第一导滑槽2590及第二导滑槽2595内滑动，第二连杆件269滑动地抵推定位片275转动使定位片275脱离与第一定位面2756的贴合；直至第二连杆件269抵推定位片275转动至定位片275相对的两个侧面2755分别定位贴合于第一定位面2756及第二定位面2757，以定位折叠装置24呈折弯状态，柔性件30的可折弯区域31随折叠装置24弯折，直至第一框体21与第二框体23的背面贴接。
此时，折叠装置24完成弯折，柔性件30随折叠装置24实现弯折，使连接铰节257上的钢片312的上表面、支撑铰节255的上表面及中部铰节250的上表面相互连接形成拱形的弧面，以方便贴合柔性件30。如图34所示，弯折状态的连接铰节257相背的两个侧面之间的沿铰链主体25弯折外侧的距离也为L，即铰链主体25的两个连接铰节257位于弯折外侧的两个侧面之间在展平时的直线距离与在折叠时的沿铰链主体25弯折外侧的距离相等，从而使覆盖于铰链主体25上的柔性件30的可折弯区域31在弯折状态的宽度与展平状态的宽度相同，能防止柔性件30被挤压凸起或拉伸使屏幕损坏。铰链主体25在弯折状态时，第一虚拟轴A1及第二虚拟轴A2均位于铰链主体25的外部，优选的，第一虚拟轴A1及第二虚拟轴A2位于覆盖在铰链主体25上的柔性件30的中性层上。本发明中的铰链主体25的第一虚拟轴A1及第二虚拟轴A2在电子设备100折弯或展平时均位于所述中性层上，从而能保证柔性件30最大程度不受损。
在折叠装置24的弯折过程中，两个第一连接轴261及两个第二连接轴265分别在两个第一阻尼件267的阻尼孔2673内及在两个第二阻尼件268的阻尼孔2683转动，每一第一阻尼件267的弹性挡圈2674转动地套接于对应的第一连接轴261及第二连接轴265上，由于第一连接轴261及第二连接轴265分别过盈配合地插接于对应的第一阻尼件267；每一第二阻尼件268的孔用弹性挡圈2684转动地套接于对应的第一连接轴261及第二连接轴265上，由于第一连接轴261及第二连接轴265分别过盈配合地插接于对应的第二阻尼件 268；因此，折叠装置24能在弯折过程中定位于任意一角度，铰链主体25在弯折至任意角度的两个连接铰节257相背的两个侧面之间的距离不会改变，即柔性件30的可折弯区域31在弯折至任意角度的宽度不会改变，且第一绷紧组件281及第二绷紧组件283使柔性件30一直处于绷紧状态，从而能防止柔性件30在弯折或展平的过程中柔性件30拱起使屏幕损坏，能保证柔性件30最大程度不受损。
在对电子设备100的其他折弯方式中，也可以仅对第二框体23施加折弯的力，第二框体23带动对应的连接铰节257相对于支撑铰节255沿第一虚拟轴朝远离柔性件30的一侧转动；连接铰节257带动两个联动机构26对应的第一连杆件266及第二连杆件269转动，使第一连杆件266沿对应的第一导滑槽2590滑动，第二连杆件269沿对应的第二导滑槽2595滑动，第二连杆件269滑动地抵推定位片275转动使定位片275脱离与第一定位面2756的贴合；由于第一连杆件266的固定轴2663与第一传动件2625固定连接，第二连杆件269与第二连接轴265固定连接，第二连接轴265与第一传动件2625固定连接，且第二连接轴265与第二传动件2641转动连接。因此，第一连杆件266及第二连杆件269共同带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623转动，第二连接轴265在对应的第二传动件2641的轴孔2643内转动并带动第二传动件2641转动，使对应的支撑铰节255沿所述第二虚拟轴A2朝远离柔性件30的一侧转动，导滑片2555在对应的第一导槽2536内转动，第三导滑面2557滑动地贴合于第一导滑面2537，且导滑凸块2558在对应的第二导槽2542内转动，第四导滑面2559滑动贴合于对应的第二导滑面2543；同时，第二连接轴265也带动第一阻尼件267及第二阻尼件268沿对应的第一连接轴261朝远离柔性件30的一侧转动；两个第二传动件2641的第三齿轮2645分别啮合于另外两个第二传动件2641的齿轮2645转动，带动所述另外两上第二传动件2641沿对应的第一连接轴261朝远离柔性件30的一侧转动，所述另外两个第二传动件2641带动对应的另外的第二连接轴265朝远离柔性件30的一侧转动，由于第一连杆件266的固定轴2663与第一传动件2625固定连接，第二连杆件269与第二连接轴265固定连接，第二连接轴265与第一传动件2625固定连接，且第二连接轴265与第二传动件2641转动连接。因此，所述另外的第二连接轴265带动第一连杆件266及第二连杆件269朝远离柔性件30的一侧转动，以带动对应的支撑铰节255沿第二虚拟轴朝A2远离柔性件30的一侧转动及连接铰节257沿第一虚拟轴朝A2朝远离柔性件30的一侧转动；同时，第一连杆件266及第二连杆件269在对应的第一导滑槽2590及第二导滑槽2595内滑动，第二连杆件269滑动地抵推定位片275转动使定位片275脱离与第一定位面2756的贴合；直至每一第二连杆件269抵推对应的定位片275转动至定位片275相对的两个侧面2755分别定位贴合于第一定位面2756及第二定位面2757，以定位折叠装置24呈折弯状态，柔性件30的可折弯区域31随折叠装置24弯折，直至第一框体21与第二框体23的背面贴接。在折叠装置24的弯折过程中，两个第一连接轴261分别在两个第一阻尼件267的阻尼孔2673内转动，每一第一阻尼件267远离对应的第一连接轴261的弹性挡圈2674也转动地套接于对应的第二连接轴265上，由于第一连接轴261及第二连接轴265分别过盈配合地插接于对应的第一阻尼件267，因此，折叠装置24能在弯折过程中定位于任意一角度。
在对电子设备100的其他折弯方式中，还可以同时对第一框体21及第二框体23施加折弯的力，第一框体21及第二框体23分别带动对应的连接铰节257相对于支撑铰节255朝远离柔性件30的一侧转动，并通过联动机构26以实现电子设备100的折弯。
当需要展平电子设备100时，向外拉开第一框体21或第二框体23，使连接于第一框体21和第二框体23上的连接链节257朝相互远离的方向转动。具体的，对电子设备100的第一框体21及第二框体23至少其中一个施加向外拉开的力，使连接于第一框体21和第二框体23上的连接链节257朝相互远离的方向转动，每一联动机构26相对的两个第一连 杆件266朝相互远离的方向转动，及相对的两个第二连杆件269也一同朝相互远离的方向转动。如对第一框体21施加向外拉开的力，第一框体21带动对应的连接铰节257相对于支撑铰节255朝向柔性件30的一侧转动；连接铰节257带动两个联动机构26的第一连杆件266及第二连杆件269转动，使第一连杆件266沿对应的第一导滑槽2590滑动，第二连杆件269沿对应的第二导滑槽2595滑动，第二连杆件269滑动地拉动定位片275转动使定位片275脱离与抵顶面2715及第二定位面2757的贴合，由于第一连杆件266的固定轴2663与第一传动件2625固定连接，第二连杆件269与第二连接轴265固定连接，第二连接轴265与第一传动件2625固定连接，且第二连接轴265与第二传动件2641转动连接；因此，第一连杆件266及第二连杆件269共同带动对应的第一传动件2625的第二齿轮2627沿对应的第一齿轮2623转动，第二连接轴265在对应的第二传动件2641的轴孔2643内转动并带动第二传动件2641转动，使对应的支撑铰节255沿所述第二虚拟轴A2朝向柔性件30的一侧转动，导滑片2555在对应的第一导槽2536内转动，第三导滑面2557滑动地贴合于第一导滑面2537，且导滑凸块2558在对应的第二导槽2542内转动，第四导滑面2559滑动贴合于对应的第二导滑面2543；同时，第二连接轴265也带动第一阻尼件267及第二阻尼件268沿对应的第一连接轴261朝向柔性件30的一侧转动；两个第二传动件2641的第三齿轮2645分别啮合于另外两个第二传动件2641的第三齿轮2645转动，带动所述另外两上第二传动件2641沿对应的第一连接轴261朝向柔性件30的一侧转动，所述另外两个第二传动件2641带动对应的另外的第二连接轴265朝向柔性件30的一侧转动，由于第一连杆件266的固定轴2663与第一传动件2625固定连接，第二连杆件269与第二连接轴265固定连接，第二连接轴265与第一传动件2625固定连接，且第二连接轴265与第二传动件2641转动连接，因此，另外的第二连接轴265带动对应的第一连杆件266及第二连杆件269朝向柔性件30的一侧转动，以带动对应的支撑铰节255沿第二虚拟轴A2朝向柔性件30的一侧转动及连接铰节257沿第一虚拟轴A2朝抽柔性件30的一侧转动；同时，第一连杆件266及第二连杆件269在对应的第一导滑槽2590及第二导滑槽2595内滑动，第二连杆件269滑动地拉动定位片275转动使定位片275脱离与抵顶面2715及第二定位面2757的贴合；直至第二连杆件269拉动定位片275转动至定位片275的侧面2755定位贴合于第一定位面2756，以定位折叠装置24呈展平状态，且每一第一齿轮组件262的每一第一传动件2625的第二止挡面2628贴合定位于对应的第一止挡面2624、每一第二齿轮组件264的两个第二传动件2641的第三止挡面2648相互贴合定位，防止联动机构26反折弯，避免柔性件30的损坏。另外，在折叠装置24的展平过程中，两个第二连接轴265分别在第一阻尼件267的阻尼孔2673及第二阻尼件268的阻尼孔2683内转动，每一第一阻尼件267及第二阻尼件268远离对应的第二连接轴261的弹性挡圈2674、2684转动地套接于对应的第一连接轴265上，由于第一连接轴261及第二连接轴265分别过盈配合地插接于对应的第一阻尼件267及第二阻尼件267，因此，折叠装置24能在展平过程中定位于任意一角度。由于铰链主体25在弯折或展平至任意角度的两个连接铰节257相背的两个侧面之间的距离不会改变，即柔性件30的可折弯区域31在弯折或展平至任意角度的宽度不会改变，能防止柔性件30在弯折或展平的过程中柔性件30拱起使屏幕损坏，能保证柔性件30最大程度不受损。
在对电子设备100的其他展平方式中，也可以仅对第二框体23施加向外拉开的力，第二框体23通过联动机构26实现电子设备100的展平。
在对电子设备100的其他折弯方式中，还可以同时对第一框体21及第二框体23施加向外拉开的力，第一框体21及第二框体23分别带动对应的连接铰节257相对于支撑铰节255朝向柔性件30的一侧转动，以实现电子设备100的展平。
以上是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (20)

  1. 一种折叠装置，用于支撑柔性件，其特征在于，包括铰链主体及设置于所述铰链主体一侧的至少一绷紧机构，所述绷紧机构包括至少一第一绷紧组件，至少一所述第一绷紧组件包括可相对所述铰链主体移动的移动件，所述柔性件连接于所述移动件，所述移动件用于产生将所述柔性件拉伸的作用力，使所述柔性件处于绷紧状态。
  2. 如权利要求1所述的折叠装置，其特征在于，所述第一绷紧组件还包括上滑板，所述上滑板连接于所述柔性件。
  3. 如权利要求1所述的折叠装置，其特征在于，至少一所述第一绷紧组件还包括至少一第一弹性件，至少一所述第一弹性件一直提供使所述移动件相对所述铰链主体移动的力。
  4. 如权利要求2所述的折叠装置，其特征在于，至少一所述第一绷紧组件还包括至少一第一弹性件，至少一所述第一弹性件通过所述柔性件将弹力传递至所述上滑板，以使所述上滑板相对所述铰链主体移动的力。
  5. 如权利要求1所述的折叠装置，其特征在于，所述柔性件包括钢片和柔性屏，所述柔性件与所述移动件之间通过钢片固定连接，所述绷紧机构包括分别设置于铰链主体的同一侧两端的两个第一绷紧组件，所述钢片分别固定连接于两个所述第一绷紧组件。
  6. 如权利要求2所述的折叠装置，其特征在于，所述柔性件包括钢片和柔性屏，所述柔性件与所述上滑板之间通过钢片固定连接，所述绷紧机构包括分别设置于铰链主体的同一侧两端的两个上滑板，所述钢片分别固定连接于两个所述上滑板。
  7. 如权利要求2所述的折叠装置，其特征在于，所述折叠装置至少一侧连接有框体，所述折叠装置和所述框体用于支撑柔性屏，所述框体与所述柔性屏固定连接，并且还固定连接有下滑板，所述绷紧机构还包括第二绷紧组件，所述第二绷紧组件包括设置于所述框体与所述折叠装置至少一第二弹性件，所述下滑板用于产生将所述柔性屏拉伸的作用力，使所述下滑板带动所述柔性屏处于绷紧状态。
  8. 如权利要求7所述的折叠装置，其特征在于，所述上滑板与下滑板可相对滑动地层叠，所述上滑板沿其滑动方向开设滑槽，锁固件穿过所述滑槽连接于所述下滑板，所述移动件通过钢片带动上滑板移动，所述第二弹性件通过框体带动下滑板移动。
  9. 如权利要求4所述的折叠装置，其特征在于，至少一所述绷紧机构还包括安装件，所述安装件用于将所述移动件及所述第一弹性件安装于所述铰链主体。
  10. 如权利要求8所述的折叠装置，其特征在于，所述铰链主体包括位于其相对的两侧的连接铰节，至少一所述第一绷紧组件设置于其中一连接铰节。
  11. 如权利要求9所述的折叠装置，其特征在于，所述连接铰节的上表面开设导滑槽，所述导滑槽沿所述移动件的移动方向延伸的宽度大于所述移动件，以便所述移动件在所述导滑槽内滑动。
  12. 如权利要求11所述的折叠装置，其特征在于，所述移动件包括连接板及设置于所述连接板一侧的抵顶板，所述抵顶板插接于所述导滑槽内，所述抵顶板的厚度小于所述导滑槽的宽度，所述连接板连接于所述柔性件。
  13. 如权利要求11所述的折叠装置，其特征在于，所述连接铰节的上表面于所述导滑槽的一侧开设收容槽，所述连接板沿所述移动件的移动方向滑动地收容于所述收容槽内，所述连接板的上表面与所述连接铰节的上表面共面，所述连接板的上表面连接于所述柔性件。
  14. 如权利要求12所述的折叠装置，其特征在于，所述连接铰节沿所述移动件的移动方向开设收容孔，所述收容孔连通所述导滑槽，所述第一弹性件插接于所述收容孔，所述第一弹性件的一端抵接所述抵顶板，所述第一弹性件的另一端连接于所述安装件。
  15. 如权利要求12所述的折叠装置，其特征在于，所述连接铰节沿所述移动件的移动方向开设两个穿插孔，每一所述穿插孔连通所述导滑槽，所述安装件包括两个导柱，两个导柱分别插接于两个所述穿插孔，所述导柱延伸至所述导滑槽内，所述抵顶板开设可滑动地套接于两个所述导柱上的两个导槽。
  16. 如权利要求15所述的折叠装置，其特征在于，所述安装件还包括固定连接于所述连接铰节的安装片，所述第一弹性件及所述导柱远离所述移动件的一端均连接于所述安装片。
  17. 如权利要求7所述的折叠装置，其特征在于，所述连接铰节包括固定框及连接于所述固定框相对的两端的两个连接框，至少一所述第一绷紧组件设置于所述固定框，至少一所述第二绷紧组件设置于其中一连接框。
  18. 如权利要求17所述的折叠装置，其特征在于，所述固定框设置有相互间隔的两个所述第一绷紧组件。
  19. 如权利要求17所述的折叠装置，其特征在于，每一连接框上设置有一个所述第二绷紧组件。
  20. 一种电子设备，包括柔性件、壳体及根据权利要求1-18中任一项中所述折叠装置，所述壳体包括第一框体及第二框体，所述折叠装置设置于所述第一框体与所述第二框体之间，所述柔性件设置于所述壳体及所述折叠装置上，所述柔性件随所述折叠装置折弯或展平。
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