WO2023093171A1 - 折叠装置、折叠壳体及电子设备 - Google Patents

折叠装置、折叠壳体及电子设备 Download PDF

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Publication number
WO2023093171A1
WO2023093171A1 PCT/CN2022/115327 CN2022115327W WO2023093171A1 WO 2023093171 A1 WO2023093171 A1 WO 2023093171A1 CN 2022115327 W CN2022115327 W CN 2022115327W WO 2023093171 A1 WO2023093171 A1 WO 2023093171A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotating
positioning
folding device
support
positioning member
Prior art date
Application number
PCT/CN2022/115327
Other languages
English (en)
French (fr)
Inventor
梁子豪
彭翊
张前
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2023093171A1 publication Critical patent/WO2023093171A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/10—Arrangements for locking
    • F16C11/103—Arrangements for locking frictionally clamped
    • 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
    • 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
    • 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
    • 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
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • 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
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges

Definitions

  • the present application relates to the field of supporting flexible components, and in particular to a folding device for supporting flexible components, a folding casing provided with the folding device, and an electronic device provided with the folding casing.
  • the flexible display is generally supported by a folding device such as a hinge mechanism at the bend of the flexible display.
  • a folding device such as a hinge mechanism at the bend of the flexible display.
  • the existing folding device has complex structure and high manufacturing cost.
  • the present application provides a folding device with simple structure and low manufacturing cost, a folding case provided with the folding device, and an electronic device provided with the folding case.
  • a folding device provided by the present application, the folding device includes a bendable mechanism and a rotating assembly, the bendable mechanism includes two side supports; Two rotating mechanisms on opposite sides of the member, one end of the rotating mechanism is rotatably connected to the positioning member, and the other end of the rotating mechanism away from the positioning member is rotatably connected to the corresponding side support member.
  • One side of the side support is rotationally and slidably connected to the positioning member; when the rotating mechanism rotates relative to the positioning member, the rotating mechanism drives the side support to rotate relative to the positioning member and slide so that the two said side supports are bent or unfolded relative to each other.
  • the present application also provides a folding casing, the folding casing includes a folding device and two frames, the folding device is located between the two frames, and the two frames are respectively connected to the folding
  • the two rotating mechanisms of the device the frame body drives the rotating mechanism to rotate relative to the positioning member, and the bendable mechanism realizes synchronous bending or unfolding with the rotating mechanism and the linkage mechanism.
  • the present application also provides an electronic device, the electronic device includes a flexible part and a folding case, the flexible part is arranged on the folding case, and the flexible part is bent or flattened along with the folding case.
  • the folding device of the electronic equipment of the present application includes a bendable mechanism and a rotating assembly
  • the rotating assembly includes a positioning member and two rotating mechanisms arranged on opposite sides of the positioning member, one end of the rotating mechanism is rotatably connected to the positioning member
  • the other end of the rotating mechanism away from the positioning member is rotationally connected to the corresponding side support member, and one side of the side support member is rotationally and slidingly connected to the positioning member.
  • the two frame bodies approach or move away from each other, driving the rotating mechanism to rotate relative to the positioning member, and the rotating mechanism drives the two side support members to fold or unfold each other, so as to realize the folding or flattening of the folding device. Since the folding device can be folded or flattened through the bendable mechanism and the rotating assembly, without the need for a hinge mechanism, the structure of the folding device is simple, the manufacturing cost is low, and the connection reliability between the various parts is high. Increased strength.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of an electronic device in one embodiment of the present application
  • FIG. 2 is an exploded perspective view of the three-dimensional structure of the foldable housing and flexible parts of the electronic device in FIG. 1;
  • Fig. 3 is a three-dimensional structural schematic diagram of another viewing angle of the foldable casing and the flexible member in Fig. 2;
  • Fig. 4 is an exploded perspective view of the three-dimensional structure of the foldable housing in Fig. 2;
  • Fig. 5 is an exploded perspective view of the three-dimensional structure of the foldable housing in Fig. 3;
  • Fig. 6 is a schematic perspective view of the three-dimensional structure of the folding device in Fig. 4;
  • Fig. 7 is a schematic perspective view of the three-dimensional structure of the folding device in Fig. 5;
  • Fig. 8 is an exploded schematic view of a part of the three-dimensional structure of the folding device in Fig. 6;
  • Fig. 9 is an exploded schematic view of a part of the three-dimensional structure of the folding device in Fig. 7;
  • Fig. 10 is a schematic perspective view of the three-dimensional structure of the folding device in Fig. 9;
  • Fig. 11 is an exploded schematic view of the three-dimensional structure of the bendable mechanism in Fig. 10;
  • Fig. 12 is a schematic perspective view of the three-dimensional structure of the bendable mechanism in Fig. 11;
  • Fig. 13 is an exploded perspective view of the three-dimensional structure of the folding aid assembly in Fig. 10;
  • Fig. 14 is a perspective view of the three-dimensional structure of the folding aid assembly in Fig. 13;
  • Fig. 15 is an exploded perspective view of the three-dimensional structure of the rotating assembly in Fig. 13;
  • Fig. 16 is an exploded perspective view of the three-dimensional structure of the rotating assembly in Fig. 14;
  • Fig. 17 is an enlarged view of the three-dimensional structure of the folding aid assembly in Fig. 13;
  • Fig. 18 is an enlarged view of the three-dimensional structure of the folding aid assembly in Fig. 14;
  • Fig. 19 is an exploded schematic view of the three-dimensional structure of the folding aid assembly in Fig. 17;
  • Fig. 20 is a perspective view of the three-dimensional structure of the folding aid assembly in Fig. 18;
  • Fig. 21 is a sectional view along line XXI-XXI in Fig. 6;
  • Figure 22 is a sectional view along line XXII-XXII in Figure 6;
  • Fig. 23 is a sectional view along line XXIII-XXIII in Fig. 6;
  • Fig. 24 is a partial structural schematic diagram of a three-dimensional sectional view along line XXIV-XXIV in Fig. 1;
  • Fig. 25 is a partial structural schematic diagram of a three-dimensional cross-sectional view along line XXV-XXV in Fig. 1;
  • Fig. 26 is a partial structural schematic diagram of a three-dimensional sectional view along line XXVI-XXVI in Fig. 1;
  • FIG. 27 is a schematic perspective view of the three-dimensional structure of the electronic device in FIG. 1 in a folded state
  • Fig. 28 is a schematic perspective view of the three-dimensional structure of the folding device in Fig. 27;
  • Fig. 29 is a perspective view of the three-dimensional structure of the folding device in Fig. 28;
  • Fig. 30 is one of the three-dimensional cross-sectional views of the electronic device in Fig. 27;
  • Figure 31 is a side view of the electronic device in Figure 30;
  • FIG. 32 is another perspective cutaway view of the electronic device in FIG. 27;
  • FIG. 33 is a side view of the electronic device in FIG. 32 .
  • a folding device comprising: a bendable mechanism comprising two side supports;
  • the rotating assembly includes a positioning member and two rotating mechanisms respectively arranged on opposite sides of the positioning member, one end of the rotating mechanism is rotatably connected to the positioning member, and the other end of the rotating mechanism is away from the positioning member Rotately connected to the corresponding side support, one side of the side support is rotationally and slidably connected to the positioning member; when the rotating mechanism rotates relative to the positioning member, the rotating mechanism drives The side support parts rotate and slide relative to the positioning part, so that the two side support parts are mutually bent or mutually unfolded.
  • the rotating mechanism includes a rotating member and a connecting member connected to the rotating member, the end of the rotating member away from the connecting member is rotatably connected to the positioning member, and the side support member is away from the positioning member.
  • One side is rotatably connected to the connecting piece.
  • the rotation axis between the rotating part and the positioning part is parallel to the rotation axis between the side support part and the connecting part.
  • the side support is provided with a first arc rail, and the connecting piece is provided with a first arc groove corresponding to the first arc rail; or the side support is provided with a first arc groove, so
  • the connector is provided with a first arc track corresponding to the first arc groove; the axis of the first arc track is in common with the axis of rotation between the side support and the connector. Wire.
  • the side of the locating member is provided with a transfer groove, the transfer groove passes through the front of the locating member, the side of the transfer groove is provided with a second circular arc rail, and the side of the rotating member is provided with a corresponding The second circular arc groove of the second circular arc track; or the side of the transfer groove is provided with a second circular arc groove, and the side of the rotating member is convexly provided with a second circular arc groove corresponding to the second circular arc groove.
  • Arc track; the axis of the second arc track is collinear with the axis of rotation between the rotating member and the positioning member.
  • the side support part is provided with a guide slide part, and the guide slide part is provided with a guide slide groove, and the guide slide part is connected to the positioning part through a connecting shaft, and the connecting shaft is inserted in the guide guide.
  • the chute is positioned on the positioning member, and the axis of the connecting shaft is parallel to the rotation axis between the rotating member and the positioning member.
  • the positioning member is provided with a receiving groove corresponding to the sliding part, the connecting shaft is connected to two opposite sides of the receiving groove, and the sliding part is slidably and rotatably sleeved on the connecting shaft.
  • the bendable mechanism further includes a middle support, the middle support is located between the two side supports, and the side of the side support close to the middle support is rotationally and slidably connected to the The positioning member, the side of the side support member away from the middle support member is rotationally connected to the corresponding connecting member; when the two side support members and the middle support member are in a flattened state, The end of the rotating member away from the connecting member abuts against the middle supporting member; when the two side supporting members and the middle supporting member are in a bent state, the rotating member is away from the connecting member The end of the release of the abutment against the middle support.
  • An elastic piece is provided between the middle supporting piece and the positioning piece, and the elastic piece has a pre-elastic force to drive the middle supporting piece closer to the positioning piece.
  • a locking piece is provided between the middle supporting piece and the positioning piece, and the elastic piece is located between the locking piece and the positioning piece.
  • a plurality of lugs protrude from the side of the side support close to the middle support, and when the two side supports and the middle support are in a flattened state, several of the lugs support the Middle support.
  • the folding device also includes a folding aid assembly, the folding aid assembly includes a linkage mechanism, the linkage mechanism is connected between the positioning member and the connecting member, and the rotation mechanism is relatively relative to the folding mechanism through the linkage mechanism.
  • the positioning parts rotate synchronously.
  • the folding aid assembly also includes a limit mechanism, and the limit mechanism includes a push piece, a support piece and an elastic piece provided on the linkage mechanism, and the elastic piece provides the support between the support piece and the push piece.
  • the specific angle ranges from 70 degrees to 130 degrees between the two side supports.
  • the resisting member includes a first cam, the resisting member includes a second cam, and the first cam and the second cam rotatably resist each other.
  • the folding device is used to support the flexible piece, and the friction torque between the first cam and the second cam is greater than the rebound force of the flexible piece, so that the two side support pieces are positioned at a specific position. angle.
  • the position-limiting mechanism also includes a locating member, and the elastic member is squeezed between the locating member and the resisting member, so that the elastic member has the function of making the resisting member and the resisting member interact with each other. Elasticity against the top.
  • the linkage mechanism includes two rotating shafts, connecting rods respectively connected to the two rotating shafts, and a gear combination located between the connecting rods, and each connecting rod is provided with a gear that meshes with the gear combination.
  • the first gear, each connecting rod is connected to the push piece, so that the first cam is sleeved on the rotating shaft, the support piece includes two second cams, and two second cams
  • the cams are slidably sleeved on the two rotating shafts, and the connecting rod rotates along with the rotating parts along the rotating shafts to drive the first cam to rotate relative to the second cam.
  • the folding housing includes a folding device and two frames, the folding device is located between the two frames, and the two frames are respectively connected to the two rotating mechanisms of the folding device, so
  • the frame body drives the rotating mechanism to rotate relative to the positioning member, and the bendable mechanism is bent or unfolded synchronously with the rotating mechanism and the linkage mechanism.
  • An electronic device the electronic device includes a flexible part and a foldable shell, the flexible part is arranged on the foldable shell, and the flexible part is bent or flattened along with the foldable shell.
  • An electronic device 100 in one embodiment of the present invention includes a foldable casing 20 and a flexible member 30 disposed on the foldable casing 20 .
  • the flexible part 30 can be various flexible parts with corresponding functions such as a flexible display screen, a flexible touch screen, and a flexible touch screen, or a flexible part fixedly attached to a flexible support plate, such as a flexible display screen attached to a flexible steel plate, Flexible touch screen, etc.
  • the folding casing 20 includes two frames 21 and a folding device 22 connected between the two frames 21 .
  • the flexible member 30 is provided with a bendable area 31 corresponding to the folding device 22 , and two non-bendable areas 33 connected to opposite sides of the bendable area 31 .
  • the two non-bending regions 33 of the flexible member 30 can be respectively fixed on the front surfaces of the two frames 21 , and the bendable region 31 is attached to the front surface of the folding device 22 .
  • the folding device 22 is used to support the bendable area 31 of the flexible member 30 , and the flexible member 30 is bent or flattened along with the folding device 22 .
  • the folding device 22 includes a bendable mechanism 23, a rotating assembly 25 and a folding assembly 27.
  • the bendable mechanism 23 includes a middle support member 231 and side support members 233 arranged on opposite sides of the middle support member 231.
  • the flexible member 30 is attached to Fit on the middle support member 231 and the side support member 233;
  • the rotating assembly 25 includes a positioning member 251 and a rotating mechanism 253 located on opposite sides of the positioning member 251, one end of the rotating mechanism 253 is connected to the positioning member 251 in a rotational manner, and the rotating mechanism 253 is rotatably connected to the corresponding side support 233 at the other end away from the positioning member 251, and the side support 233 near the middle support 231 is connected to the positioning member 251 in a rotating and sliding manner, and the rotating mechanism 253 is relative to the positioning member.
  • the folding aid assembly 27 includes a limiting mechanism 270 and a linkage mechanism 275, the linkage mechanism 275 is connected to the rotating assembly 25, and the limiting mechanism 270 is located between the rotating assembly 25 and the linkage mechanism 275;
  • the positioning part 251 rotates synchronously, and the rotating mechanism 253 drives the side supporting part 233 to rotate and slide synchronously relative to the positioning part 251 , so that the two side supporting parts 233 and the middle supporting part 231 are mutually bent or unfolded.
  • the two frame bodies 21 are respectively connected to the two rotating mechanisms 253 of the folding device 22, the frame body 21 drives the rotating mechanism 253 to rotate relative to the positioning member 251, and the bending mechanism 23 realizes synchronous bending or When unfolded, the flexible member 30 is bent or flattened with the bendable mechanism 23, and the bendable area 31 can be bent to form a U shape, a drop shape or other shapes. In this embodiment, the bendable region 31 can be bent into a drop shape.
  • the front side refers to a surface facing the same direction as the light emitting surface of the flexible member 30
  • the back side refers to a surface facing away from the light emitting surface of the flexible member 30 .
  • the electronic device 100 is, for example, but not limited to a mobile phone, a tablet computer, a display, a liquid crystal panel, an OLED panel, a TV, a smart watch, a VR head-mounted display, a vehicle display, and any other products and components with display functions.
  • the "connection" in the description of the embodiments of the present invention includes direct connection and indirect connection, for example, the connection between A and B includes the direct connection between A and B or the connection through a third element C or more other elements.
  • the connection also includes two cases of integrated connection and non-integrated connection.
  • the integrated connection means that A and B are formed and connected in one piece, and the non-integrated connection means that A and B are formed and connected in a non-integrated manner.
  • the folding device 22 of the electronic device 100 of the present invention includes a bendable mechanism 23 and a rotating assembly 25.
  • the rotating assembly 25 includes a positioning member 251 and a rotating mechanism 253 arranged on opposite sides of the positioning member 251. One end of the rotating mechanism 253 is rotationally connected. On the positioning member 251 , the other end of the rotating mechanism 253 away from the positioning member 251 is rotationally connected to the corresponding side support member 233 , and the side of the side support member 233 close to the middle support member 231 is rotationally and slidingly connected to the positioning member 251 .
  • the two frame bodies approach or move away from each other, driving the rotating mechanism 253 to rotate relative to the positioning member 251 , and the rotating mechanism 253 drives the two side support members 233 to fold or unfold mutually, so as to realize the folding or flattening of the flexible member 30 .
  • the folding device 22 can be folded or flattened through the bendable mechanism 23 and the rotating assembly 25, without the need for a hinge mechanism, the structure of the folding device 22 is simple, the manufacturing cost is low, and the connection reliability between the various parts High, the strength of the whole machine is improved.
  • the folding device 22 in this embodiment includes two rotating assemblies 25 and a folding aid assembly 27, and the two rotating assemblies 25 are respectively arranged at opposite ends of the back of the bendable mechanism 23 to help
  • the folding assembly 27 is connected to one of the rotating assemblies 25 .
  • One end of the rotating mechanism 253 is rotatably connected to the corresponding positioning member 251, the opposite end of the rotating mechanism 253 is movably connected to the corresponding side support 233, and the side of the side support 233 close to the middle support 251 is movably connected.
  • each rotating mechanism 253 close to the middle support member 251 is rotationally connected to the corresponding positioning member 251, and the opposite end is rotationally connected to the corresponding side support member 233, each side One side of the support member 233 close to the middle support member 231 is movably connected to the positioning member 251, and the rotating mechanism 253 rotates relative to the positioning member 251, so that the corresponding side support member 233 slides and rotates relative to the positioning member 251, so that one side The side support 233 approaches or moves away from the other side support 233 , so as to realize the bending or flattening of the bendable mechanism 23 .
  • the linkage mechanism 275 is connected to the rotating assembly 25, that is, the linkage mechanism 275 is connected between the positioning member 251 and the rotating mechanism 253, when the connecting member 256 on one side rotates, it drives the rotating member 254 on the same side to rotate relative to the positioning member 251, The rotating member 254 drives the rotating member 254 on the other side to rotate through the linkage mechanism 275 , and then drives the connecting member 256 on the other side to rotate.
  • the rotating mechanism 253 on one side of the positioning member 251 rotates, it drives the side support member 233 on the same side to rotate and slide relative to the positioning member 251, and the rotating mechanism 253 drives the rotating mechanism on the other side through the linkage mechanism 275 253 rotates, and the rotating mechanism 253 on the other side drives the side support member 233 on the same side to rotate and slide relative to the positioning member 251, thereby realizing the linkage of the bendable mechanism 23.
  • the folding device 22 may also include two rotating assemblies 25 and two folding assisting assemblies 27, the two rotating assemblies 25 are respectively arranged at opposite ends of the back of the bending mechanism 23, and the two folding assisting assemblies 27 They are respectively connected to two rotating assemblies 25 , and the rotating assembly 25 and the folding assisting assembly 27 are arranged on the back of the bending mechanism 23 .
  • the folding device 22 may also only include a rotating assembly 25 and a folding assisting assembly 27 connected to the rotating assembly 25 .
  • the rotating assembly 25 and the folding assisting assembly 27 are arranged on the back of the bending mechanism 23 .
  • the folding device 22 may include three or more rotating assemblies 25, and at least one folding-assisting assembly 27, the folding-assisting assembly 27 is connected to one of the rotating assemblies 25, and the rotating assembly 25 and the folding-assisting assembly 27 are arranged on the back of the bendable mechanism 23 .
  • the rotating mechanisms 253 on opposite sides of the folding device 22 are respectively fixedly connected to the two frames 21, wherein one frame 21 is folded or flattened relative to the other frame 21, and can drive the corresponding
  • the rotating mechanism 253 rotates relative to the positioning member 251, and the rotating mechanism 253 drives the corresponding side support member 233 to rotate and slide relative to the positioning member 251 until the two side support members 233 and the middle support member 231 are bent into a drop shape or unfolded.
  • the bendable area 31 of the flexible member 30 is folded into a drop shape or unfolded into a horizontal shape along with the bendable area 31 .
  • the frame body 21 includes a front face 211, a back face 213, opposite side faces 214 and two end faces 215, the folding device 22 is connected between the two end faces 215 of the two frame bodies 21, and the non-bending area 33 of the flexible member 30 Connected to the front 211 of the frame body 21; each frame body 21 is provided with a receiving groove 216 towards the end face 215 of the folding device 22, the receiving groove 216 passes through the front face 211 of the frame body 21, and the opposite ends of the receiving groove 216 extend to the frame body 21 opposite sides 214.
  • the bottom surface of the receiving groove 216 of the frame body 21 is provided with a fixing bar 217 for fixing the rotating mechanism 253 .
  • the fixing bar 217 defines a plurality of connecting holes 2170 , and each connecting hole 2170 passes through the back surface 213 of the frame body 21 .
  • the back 213 of the frame 21 is provided with a number of storage spaces (not shown in the figure), which are used to install electronic devices such as circuit boards and batteries; the back 213 of the frame 21 is also covered with a back cover (not shown in the figure).
  • the middle supporting part 231 is strip-shaped, which includes a front side 2311 and a back side 2312 facing away from the front side 2311.
  • the opposite ends of the back side 2312 of the middle part supporting part 231 are respectively provided with connecting posts 2313 for connecting
  • the column 2313 is provided with a connecting hole 2314 along its axial direction.
  • the opposite sides of the back 2312 of the middle support 231 are respectively provided with a plurality of positioning grooves 2315, and the plurality of positioning grooves 2315 on the same side are arranged at intervals along the length direction of the middle support 231, and the opposite sides of each connecting column 2313 are respectively provided with positioning grooves 2315.
  • the side support 233 is a rectangular plate, which includes a front 2331 and a back 2332 facing away from the front 2331.
  • the side support 233 is provided with a sliding guide part 2333, and the guide slide 2333 is provided with a guide slide groove 2334; specifically, the side
  • the opposite ends of the back surface 2332 of the upper support 233 are provided with sliding guides 2333 respectively.
  • Each guide and slide 2333 is an arc-shaped block, and one end of the arc-shaped block extends out of the side support 233 towards the side of the middle support 231.
  • the slide guide groove 2334 is an arc-shaped groove opened on the slide guide part 2333;
  • the back side 2332 of the side support 233 is provided with a plurality of first circular arc rails 2335 on the side away from the middle support 231, and the first circular arc rails 2335 It is connected to the rotating mechanism 253 for rotation;
  • the sliding guide part 233 and the first circular arc rail 2335 are respectively located on two opposite sides of the side supporting part 233 .
  • each first arc rail 2335 is connected to the back surface 2332 of the side support 233 through a connecting piece 2336 , and the first arc rail 2335 bends from the side support 233 to a side away from the sliding portion 233 .
  • the back side 2332 of the side support 233 is provided with three first circular arc rails 2335, wherein the two first circular arc rails 2335 are respectively connected to opposite ends of the side support 233 through connecting pieces 2336, and A first circular arc rail 2335 is connected to the middle part of the side support member 233 through a connecting piece 2336 .
  • the connecting piece 2336 on each first circular arc track 2335 can be omitted.
  • the side of the side support 233 near the middle support 231 is protrudingly provided with several lugs 2337, and the plurality of lugs 2337 correspond to several positioning grooves 2315 of the middle support 231 respectively; There is an escape port 2338.
  • the rotating mechanism 253 includes a rotating member 254 and a connecting member 256 connected to the rotating member 254.
  • the end of the rotating member 254 away from the connecting member 256 is rotatably connected to the positioning member 251.
  • the side of the side support member 233 away from the middle support member 231 is rotationally connected to the connecting member 256 ;
  • the linkage mechanism 275 is connected between the positioning member 251 and the connecting member 256 .
  • the side supporting part 233 and the connecting part 256 are rotatably connected through the cooperation of the arc groove and the arc rail, and the positioning part 251 and the rotating part 254 are also rotatably connected through the cooperation of the arc groove and the arc rail.
  • the connecting piece 256 is provided with a first arc groove 2560 corresponding to the first arc rail 2335 of the side support member 233, and the first arc rail 2335 is rotatably inserted in the first arc groove 2560, so as to The connecting piece 256 and the side support piece 233 are relatively rotated along the first arc groove 2560, and the axis line of the first arc track 2335 is in common with the rotation axis line between the side support piece 233 and the connecting piece 256.
  • the positioning part 251 is provided with a second arc track 2512
  • the rotating part 254 is provided with a second arc groove 2540 corresponding to the second arc track 2512, so that the connecting part 256 and the side support part 233 are arranged along the second
  • the arc groove 2540 rotates relative to each other, and the axis of the second arc track 2512 is collinear with the axis of rotation between the rotating member 254 and the positioning member 251 .
  • the positioning piece 251 is a rectangular block, which includes a back side with a circular arc in cross section and a front side 2510 facing away from the back side.
  • the middle part of the front side 2510 of the positioning piece 251 is provided with a receiving groove 2511, and the receiving groove 2511 is arranged along the positioning piece.
  • the length direction of 251 extends and passes through the opposite two ends of the positioning piece 251; the opposite two sides of the positioning piece 251 are respectively provided with transfer slots 2513, and the two transfer slots 2513 are misplaced on the positioning piece 251, and each transfer slot 2513 passes through the front surface 2510, and the transition groove 2513 communicates with the receiving groove 2511; the positioning member 251 is provided with a pair of second arc rails 2512 on opposite sides of the transition groove 2513, and the opening of the second arc rail 2512 faces the front surface 2510.
  • the positioning member 251 is provided with a receiving groove 2514 corresponding to the sliding portion 2333.
  • the receiving groove 2514 is located at one end of the front surface 2510 of the positioning member 251, and the two opposite ends of the receiving groove 2514 pass through the opposite sides of the positioning member 251 respectively.
  • Connecting holes 2515 are respectively defined on opposite sides of the positioning member 251 near the receiving groove 2514 , and each connecting hole 2515 passes through the receiving groove 2514 .
  • Two spaced connection grooves 2516 are formed on the end surface of the positioning member 251 away from the receiving groove 2514 .
  • Two countersunk holes 2517 are defined on the front surface 2510 of the positioning member 251 , and the two countersunk holes 2517 are located on opposite sides of the receiving groove 2511 .
  • the back of the positioning member 251 is provided with a mounting groove 2518 between the two connecting grooves 2513 , and a middle part of the mounting groove 2518 is connected to the receiving groove 2511 .
  • the rotating part 254 includes a rotating part 2541, a fixed part 2542 and a connection part 2543 connected between the rotating part 2541 and the fixed part 2542.
  • the rotating part 2541 is used to be rotatably connected to the positioning part 251.
  • the rotating part 2541 is an arc-shaped block, and a pair of second arc-shaped grooves 2540 are provided on two opposite sides of the arc-shaped block.
  • the rotating part 254 and the connecting part 256 are integrally formed.
  • the connecting portion 2543 is an inclined bar, and opposite ends of the connecting portion 2543 are respectively connected to one end of the rotating portion 2541 and one end of the fixing portion 2542 .
  • the connecting piece 256 is in the shape of a strip.
  • the connecting piece 256 is a rectangular rod.
  • the two opposite ends of the connecting piece 256 are respectively provided with a first circular arc groove 2560, and one end of the first circular arc groove 2560 passes through the front of the connecting piece 256. , the opposite end passes through the side of the connecting piece 256 away from the positioning piece 251 .
  • the rotating part 254 is fixed to the connecting part 256 , specifically, the rotating part 254 and the connecting part 256 can be fixed by, but not limited to, clamping, screwing, gluing and the like.
  • the fixed part 2542 of the rotating part 254 is fixedly connected to the connecting part 256; the back of the connecting part 256 is provided with an escape groove 2565 near one end, and the avoiding groove 2565 passes through opposite sides and front of the connecting part 256.
  • the back side of connector 256 protrudes guide slider 2566 near the end of avoidance groove 2565, and the opposite two ends of guide slider 2566 are set as circular arc surfaces;
  • the groove 2567 extends obliquely from the front of the connector 256 toward the back and toward the direction of the positioning member 251;
  • the middle part is inclined.
  • a plurality of fixing holes 2568 are defined on the front of the connecting piece 256 , and the connecting piece 256 is connected to the corresponding frame body 21 through the fixing holes 2568 .
  • the two rotating mechanisms 253 in the rotating assembly 25 have the same structure except that the fixed positions of the two rotating parts 254 and the corresponding two connecting parts 256 are different;
  • the rotating member 254 on the connecting member 256 is close to the end of the connecting member 256 , and the rotating member 254 on the other connecting member 256 is near the middle of the connecting member 256 .
  • the folding device 22 includes two rotating assemblies 25 and a folding-assisting assembly 27, and the folding-assisting assembly 27 is connected to one of the rotating assemblies 25. Therefore, the rotating assembly 25 not connected to the folding-assisting assembly 27 can be omitted.
  • the guide slider 2566 and the escape groove 2565 on the part 256 are examples of the folding assemblies 25.
  • the folding device 22 includes two rotating assemblies 25 and two folding assisting assemblies 27, and the two folding assisting assemblies 27 are respectively connected to the two rotating assemblies 25, and the connecting piece 256 of each rotating assembly 25 has a guide The slider 2566 and the escape groove 2565.
  • the rotating part 2541 of the rotating part 254 extends away from the end of the connecting part 2543 and extends out of the transfer groove 2513 and is located in the receiving groove 2511; when the two rotating mechanisms 253 are folded mutually, the rotating part 254 The end of the rotating portion 2541 facing away from the connecting portion 2543 is accommodated in the connecting groove 2513 .
  • the positioning member 251 protrudes from one side of the transition groove 2513 with a second arc track 2512 , and the rotating part 2541 of the rotating member 254 is provided with a second arc groove corresponding to the second arc track 2512 254 ; when the rotating part 2541 is inserted into the transfer slot 2513 , the second arc rail 2512 is inserted into the second arc slot 2540 .
  • a second circular arc groove is formed on the side of the transfer groove 2513 of the positioning member 251 , and a second circular arc track corresponding to the second circular arc groove is protruded from the side of the rotating portion 2541 of the rotating member 254 .
  • a pair of second arc grooves are provided on opposite sides of the transfer groove 2513, and a pair of second arc rails are protruded on opposite sides of the rotating part 2541 corresponding to the pair of second arc grooves.
  • a pair of second arc rails are respectively inserted into a pair of second arc grooves; or one side of the adapter groove 2513 is provided with a second arc groove, and the rotating part 2541 corresponds to A second arc rail is protruded from the side of the second arc groove, and when the rotating part 2541 is inserted into the transfer slot 2513, the second arc rail is inserted into the second arc groove.
  • the folding device 22 also includes a locking mechanism 24 for connecting the middle support 231 to the rotating assembly 25.
  • the locking mechanism 24 Including an elastic piece 241, a locking piece 243 and an abutting piece 245, the elastic piece 241 is connected between the middle support piece 231 and the positioning piece 251, the elastic piece 241 has a pre-elastic force that drives the middle support piece 231 to approach the positioning piece;
  • the piece 243 is used for the connection between the middle supporting piece 231 and the positioning piece 251
  • the elastic piece 241 is located between the locking piece 243 and the positioning piece 251
  • the abutting piece 245 is used for positioning the elastic piece 241 .
  • a locking mechanism 24 is provided between each positioning piece 251 and the middle supporting piece 231.
  • the elastic piece 241 is a spring
  • the locking piece 243 is a screw
  • the abutting piece 245 is a positioning piece.
  • a through hole 2450 is opened in the middle, and positioning holes 2452 are respectively provided at opposite ends of the positioning piece, and an elastic member 241 is positioned in each positioning hole 2452 .
  • the limit mechanism 270 includes a resisting member 271, a resisting member 272, an elastic component 273 and a positioning member 274 arranged in a linkage mechanism 275, and the elastic component 273 provides a resisting member 272 and the resisting member 271 against each other, the rotating mechanism 253 rotates relative to the positioning member 251 through the linkage mechanism 275, the resisting member 271 rotates relative to the resisting member 272, and the elastic component 273 is elastically squeezed and elastically deformed , the friction resistance between the push piece 271 and the support piece 272 can make the side support piece 233 be positioned at a specific angle relative to the middle support piece 231; the range of the specific angle is between the two side support pieces 233 The included angle is between 70 degrees and 130 degrees.
  • the frictional boost between the resisting member 271 and the resisting member 272 positions the two side support members 233, that is, the two side support members 233 do not rotate relative to each other in the absence of external force.
  • the resisting member 271 includes a first cam 2710, and the resisting member 272 includes a second cam 2720, and the first cam 2710 and the second cam 2720 are rotatably opposed to each other; when the first cam 2710 rotates relative to the second cam 2720, the second cam 2720 A cam 2710 rotatably pushes the second cam 2720 away from or close to the sliding of the first cam 2710, the elastic component 273 is squeezed, and the frictional resistance between the first cam 2710 and the second cam 2720 can make the pushing member 271 is limited to a certain angle relative to the resisting member 272 .
  • the first cam 2710 includes a circular sleeve and a concave-convex surface provided at one end of the sleeve, the concave-convex surface includes a first protrusion 2714 and a first depression 2715, the first protrusion 2714 and The first recesses 2715 are sequentially arranged at intervals along the circumferential direction of the sleeve.
  • the quantity of the first protruding part 2714 and the quantity of the first recessed part 2715 can be set according to needs, as the first cam 2710 can comprise a first protruding part 2714 and a first recessed part 2715, two first protruding parts 2714 and two first recesses 2715, three first protrusions 2714 and three first recesses 2715, or four first protrusions 2714 and four first recesses 2715, etc.
  • the resisting member 272 also includes a connecting portion 2722 and two second cams 2720 disposed at opposite ends of the connecting portion 2722, that is, the two second cams 2720 are located at opposite ends of the connecting portion 2722, and the rotating shaft 276 is inserted in the first Two cams 2720 , the first cam 2710 rotates relative to the second cam 2720 , and the resisting member 272 can slide along the axial direction of the rotating shaft 276 .
  • the second cam 2720 includes a circular sleeve and a concave-convex surface provided at one end of the sleeve, the concave-convex surface includes a second protrusion 2724 and a second depression 2725, and the second protrusion 2724 and The second recesses 2725 are arranged at intervals along the circumference of the sleeve;
  • the number of 2715 and the number of the first protrusions 2714 are consistent, so that the first protrusions 2714 cooperate with the second recesses 2725 , and the second protrusions 2724 cooperate with the first recesses 2715 .
  • the connecting portion 2722 is provided with two shaft holes 2726 , and the axis of the second cam 2720 is parallel to the axis of the shaft holes 2726 .
  • the connecting portion 2722 is provided with two spaced guide sliding holes 2727 along the axial direction of the sleeve of the second cam 2720 .
  • the limiting mechanism 270 includes two resisting members 272 , and the structures of the two resisting members 272 are the same except that one of the resisting members 272 has a guide post 2728 .
  • the connecting portion 2722 of one of the abutment members 272 is away from the surface of the second cam 2720 to protrude a guide post 2728, the guide post 2728 is located between the two guide holes 2727, and the guide post 2728 slides along the guide rail.
  • the axial direction of the hole 2727 extends.
  • the elastic component 273 includes two first elastic pieces 2731 and a second elastic piece 2733 between the two first elastic pieces 2731 , and the two first elastic pieces 2731 are sleeved on the two rotating shafts 276 respectively.
  • both the first elastic member 2731 and the second elastic member 2733 are springs.
  • the positioning piece 274 includes a positioning piece 2741 and two snap rings 2745.
  • the opposite ends of the positioning piece 2741 are arc-shaped, and the opposite ends of the positioning piece 2741 are respectively provided with through holes 2742; the snap rings 2745 are C-shaped snap rings.
  • the linkage mechanism 275 includes two rotating shafts 276, connecting rods 277 respectively connected to the two rotating shafts 276, a gear assembly 278 between the connecting rods 277, and a fixing member 279, and each connecting rod 277 is provided There is a first gear 2771 of meshing gear combination 278 .
  • Each link member 277 is connected with a push member 271 , and the first cam 2710 is sheathed on the rotating shaft 276 .
  • the resisting member 272 includes two second cams 2720, the two second cams 2720 are slidably sleeved on the two rotating shafts 276 respectively, and the ends of the two link members 277 away from the first cam 2710 are respectively connected to the two connecting members 256 , the link member 277 rotates with the connecting member 256 along the rotation axis 276 relative to the positioning member 251 to drive the first cam 2710 to rotate relative to the second cam 2720 .
  • the rotating shaft 276 includes a shaft body 2760 and a positioning cover 2762 located at one end of the shaft body 2760.
  • the end of the shaft body 2760 away from the positioning cover 2762 is provided with a slot 2763.
  • the slot 2763 is located on the outer peripheral wall of the shaft body 2760 and along the shaft.
  • the body 2760 is surrounded by a circle.
  • the connecting rod member 277 also includes a sleeve 2772 and a connecting rod 2773 connected to the outer peripheral wall of the sleeve 2772.
  • the sleeve 2772 is used to be sleeved on the shaft body 2760, and the pushing member 271 is connected to one end of the sleeve 2772.
  • the first The sleeve of a cam 2710 is connected to the sleeve 2772, and the sleeve of the first cam 2710 is coaxial with the sleeve 2772.
  • the first gear 2771 is disposed on the outer peripheral wall of the sleeve 2772 , specifically, the first gear 2771 is located on a side away from the connecting rod 2773 , and the axis of the first gear 2771 is collinear with the axis of the sleeve 2772 .
  • the rotation angle range of the teeth of the first gear 2771 along the circumferential direction of the sleeve 2772 is greater than 90 degrees and less than 180 degrees, that is, the outer peripheral wall of the sleeve 2772 is greater than 1/4 and less than 1/2
  • the resisting member 271 is disposed at the end of the sleeve 2772 , and the axis of the sleeve 2772 is collinear with the axis of the first cam 2710 of the resisting member 271 .
  • the sleeve 2772 has a shaft hole, and the rotation shaft 276 is inserted into the shaft hole of the sleeve 2772 .
  • a shaft hole 2775 is formed at the end of the connecting rod 2773 away from the sleeve 2772 , and the connecting rod member 277 is connected to the connecting member 256 through the shaft hole 2775 .
  • the gear combination 278 includes two second gears 2782 meshing with each other.
  • the first gears 2771 of the two connecting rods 277 mesh with the two second gears 2782 respectively.
  • the diameter of the pitch circle of the second gears 2782 is smaller than that of the first gears 2771
  • the diameter of the pitch circle, and the number of teeth surrounding the second gear 2782 is less than the number of teeth surrounding the first gear 2771.
  • the diameter of the pitch circle of the first gear 2771 is increased by the two second gears 2782 arranged between the two rotating shafts 276, so that the first cam 2710 can be enlarged
  • the outer diameter of the first cam 2710 and the second cam 2720 can provide greater friction torque, and can reduce the fatigue wear of the first cam 2710, thereby prolonging the service life of the first cam 2710.
  • a shaft hole 2784 is defined in the middle of the second gear 2782 along its axial direction.
  • the linkage mechanism 275 includes two pairs of connecting rods 277 and two gear assemblies 278, and a gear assembly 278 is arranged between each pair of connecting rods 277; opposite sides.
  • the linkage mechanism 275 may also only include a pair of link elements 277 and a gear assembly 278 disposed between the pair of link elements 277 .
  • the fixing part 279 includes a fixing bar 2790 and two connecting shafts 2795 spaced apart from each other on the fixing bar 2790.
  • the fixing bar 2790 includes a first fixing block 2791 in the middle and two second fixing blocks at opposite ends of the first fixing block 2791.
  • Two fixing blocks 2792, the end surface of the second fixing block 2792 facing away from the first fixing block 2791 is set as an arc surface.
  • the first fixing block 2791 is provided with two connecting holes along the length direction perpendicular to the fixing bar 2790. Corresponding to the two shaft holes 2784 of the gear assembly 278 .
  • the front of the first fixing block 2791 is provided with a counterbore 2793 , and the extending direction of the counterbore 2793 is perpendicular to the axis of the connecting shaft 2795 .
  • the second fixing block 2792 defines a shaft hole 2794 along the axial direction of the connecting shaft 2795 .
  • the folding device 22 further includes a cover body 26 , and the positioning member 251 and the fixing member 279 are connected to the cover body 26 .
  • the cover body 26 is a bar-shaped frame, and the cover body 26 has two first installation parts 261 and a second installation part 265, the two first installation parts 261 are located at opposite ends of the cover body 26, and the second installation part 265 is located in the middle of the cover body 26 and close to one of the first mounting portions 261 .
  • the first mounting portion 261 includes a support tube 2611 protruding from the inner surface of the cover body 26 and a plurality of support blocks 2612 .
  • the support tube 2611 defines a connecting hole 2613 along its axial direction.
  • the second mounting portion 265 includes a support column 2651 protruding from the inner surface of the cover body 26 , and the support column 2651 is provided with a connecting hole 2653 along its axial direction.
  • the other gear combination 278 is located between the other pair of connecting rods 277, and the two second gears 2782 mesh with the two first gears 2771 respectively,
  • the two second cams 2720 are located on the same side, and the ends of the two rotating shafts 276 away from the positioning cover 2762 are respectively inserted into the sleeves 2772 of the other pair of connecting rods 277 and the two connecting shafts of the fixing member 279 2795 are respectively inserted into the shaft holes 2784 of the gear assembly 278.
  • the two pairs of connecting rods 277 and the corresponding gear assembly 278 are respectively located on opposite sides of the fixing member 279.
  • the abutting piece 272 with the guide column 2728 is sleeved on the two rotating shafts 276 and the two connecting shafts 2795 of the fixing piece 279, specifically, the two rotating shafts 276 are respectively inserted into the two abutting pieces 272.
  • the sleeve of the second cam 2720 and the connecting shaft 2795 are respectively inserted in the two guide holes 2727 of the abutting member 272.
  • the first cam 2710 of the other pair of connecting rods 277 and the abutting member The second cam 2720 of 272 cooperates.
  • the two first elastic pieces 2731 are respectively socketed on the two rotating shafts 276, the second elastic piece 2733 is socketed on the guide column 2728, and the second elastic piece 2733 is located between the two first elastic pieces 2731;
  • the positioning member 274 is set on the two rotating shafts 276, that is, the two rotating shafts 276 are respectively inserted into the two through holes 2742 of the positioning member 274, and the two snap rings 2745 are snapped into the slots 2763 of the two rotating shafts 276 respectively. .
  • the two snap rings 2745 respectively abut against the sides of the positioning member 274 away from the elastic component 273, and the elastic component 273 is in a squeezed state, that is, the elastic component 273 has a pre-elastic force.
  • the second elastic member 2733 can be omitted, and the guide post 2728 can also be omitted.
  • the axial direction of the first cam 2710 and the second cam 2720 on each rotating shaft 276 is equal to that of the first elastic member.
  • the pre-elastic force of 2731, that is, F F0.
  • Fig. 6-Fig. 10 and Fig. 21-Fig. 24 together.
  • assemble the assembled folding aid assembly 27 to the rotating assembly 25 specifically, place the folding assisting assembly 27 on the rotating assembly 25
  • the ends of the two rotating shafts 276 of the folding assisting assembly 27 away from the positioning cover 2762 are respectively inserted into the two connecting grooves 2516 of the positioning member 251; they will be connected with the folding assisting assembly 27
  • the guide sliders 2566 of the two connectors 256 of the rotating assembly 25 are respectively placed between the corresponding two connecting rods 2773, and the shaft rod 2777 is inserted into the shaft hole 2775 of the connecting rod 2773 and the guide slider 2566 is provided. Slot 2567.
  • the middle supporting member 231 is accommodated in the receiving groove 2514 of the positioning member 251 .
  • the end of the rotating member 254 away from the connecting piece 256 pushes against the middle support 231, so that the side support 233 and the middle support 231 are side by side, and the side
  • the plurality of lugs 2337 of the support member 233 are respectively inserted into the plurality of positioning slots 2315 of the middle support member 231 , that is, the plurality of lugs 2337 support the middle support member 231 .
  • the rotation axis between the rotating member 254 and the positioning member 251 is parallel to the rotation axis between the side support 233 and the connecting member 256; the rotation axis between the rotating member 254 and the positioning member 251 Parallel to the axis of the rotating shaft 276, and the axis of rotation between the rotating member 254 and the positioning member 251 is closer to the bendable mechanism 23 than the axis of the rotating shaft 276; the axis of the connecting shaft 2519 Parallel to the axis of rotation between the rotating member 254 and the positioning member 251 .
  • the rotating mechanism 253 When the rotating mechanism 253 rotates relative to the positioning member 251 , the rotating mechanism 253 drives the side supporting member 233 to rotate and slide relative to the positioning member 251 , so that the side supporting member 233 and the middle supporting member 231 are bent or unfolded mutually.
  • the rotating member 254 rotates relative to the positioning member 251 through the second arc rail 2512 and the second arc groove 2540;
  • the first gear 2771 of the first gear 2771 is rotatably meshed with the second gear 2782 corresponding to the gear combination 278, so as to realize the synchronous rotation of the two link members 277 of the linkage mechanism 275;
  • Connected to the corresponding first arc groove 2560 the sliding guide part 2333 of the side support 233 slides in the corresponding receiving groove 2514, so that the sliding guide part 2333 is slid and rotatably sleeved on the connecting shaft 2519, In order to realize mutual bending or mutual unfolding of the side support 233 and the middle support 231 .
  • one of the connecting parts 256 When bending the folding device 22 from the flattened state, one of the connecting parts 256 is bent toward the other connecting part 256 relative to the positioning part 251, and the one of the connecting parts 256 passes through the second arc groove of the rotating part 254 2540 and the second circular arc rail 2512 of the positioning member 251 rotate relatively to drive the corresponding connecting rod 277 to rotate along the rotating shaft 276, the rotation of the connecting rod 277 drives the corresponding first gear 2771 to rotate, and the corresponding gear combination 278 drives the corresponding The two first gears 2771 rotate synchronously, and the synchronously rotating first gears 2771 drive the corresponding two link members 277 to approach each other synchronously; at the same time, the connecting member 256 drives the first circular arc rail 2335 of the side support member 233 to rotate Connected to the corresponding first arc groove 2560, the sliding guide part 2333 of the side support 233 slides in the corresponding receiving groove 2514, so that the sliding guide part 2333 is slid and rotatably
  • the end of the rotating part 254 away from the connecting part 256 gradually releases the abutment against the middle supporting part 231, and the elastic force of the elastic part 241 drives the locking part 243 to drive the middle supporting part 231 to move toward the positioning part 251 until the middle supporting part 231 is accommodated in the receiving groove 2511;
  • the axial force on the first cam 2710 and the second cam 2720 on each rotating shaft 276 is equal to the sum of the elastic force of the first elastic member 2731 and half of the elastic force of the second elastic member 2733;
  • the frictional resistance between the first cam 2710 and the second cam 2720 can limit the two side supports 233 to a specific angle between 70 degrees and 130 degrees.
  • the two connecting pieces 256 can be rotated together in the opposite direction, and each connecting piece 256 passes through the second circular arc groove 2540 of the corresponding rotating piece 254 and the second circular arc track 2512 corresponding to the positioning piece 251 Relatively rotate to drive the connecting rod 277 of the linkage mechanism 275 to rotate along the corresponding rotating shaft 276; at the same time, the two connecting parts 256 synchronously drive the first circular arc rail 2335 of the side support 233 to be connected to the corresponding first
  • one of the connecting parts 256 When unfolding the folding device 22 from the fully bent state, one of the connecting parts 256 is unfolded away from the other connecting part 256 relative to the positioning part 251, and the one of the connecting parts 256 passes through the second circular arc groove of the rotating part 254 2540 rotates relative to the second arc track of the positioning part 251 to drive the corresponding link 277 to rotate along the rotation axis 276; at the same time, the connecting part 256 drives the first arc track 2335 of the side support 233 to be rotationally connected to Corresponding to the first arc groove 2560, the sliding guide part 2333 of the side support 233 slides in the corresponding receiving groove 2514, so that the sliding guide part 2333 is slid and rotatably sleeved on the connecting shaft 2519; the connecting rod part
  • the rotation of 277 drives the corresponding first gear 2771 to rotate
  • the gear combination 278 drives the corresponding two first gears 2771 to rotate synchronously
  • the synchronously rotating first gear 2771 drives
  • the end of the rotating member 254 away from the connecting member 256 gradually pushes the middle supporting member 231 to drive the middle supporting member 231 to move away from the positioning member 251, the elastic member 241 elastically deforms, and the middle supporting member 231 moves out of the storage.
  • the two connecting pieces 256 can be rotated together in a direction away from each other, and each connecting piece 256 passes through the second circular arc groove 2540 of the corresponding rotating piece 254 and the second circular arc corresponding to the positioning piece 251
  • the rail 2512 rotates relatively to drive the link member 277 of the linkage mechanism 275 to rotate along the corresponding rotating shaft 276; at the same time, the two connecting members 256 synchronously drive the first circular arc rail 2335 of the side support member 233 to be rotationally connected to the corresponding The first circular arc groove 2560, the sliding guide part 2333 of the side support part 233 slides in the corresponding receiving groove 2514, so that the sliding guide part 2333 is sleeved on the connecting shaft 2519 in a sliding and rotating manner; the connecting rod part 277
  • the rotation drives the corresponding first gear 2771 to rotate, and the gear combination 278 drives the corresponding two first gears 2771 to rotate synchronously, and the synchronously rotating first gear 2771 drives the corresponding connecting rods 277
  • the second elastic member 2733 can be omitted.
  • the axial force on the first cam 2710 and the second cam 2720 on each rotating shaft 276 is equal to the first The elastic force of the elastic member 2731.
  • Fig. 1-Fig. 5 and Fig. 24-Fig. 26 together, place the installed folding device 22 between the two frame bodies 21, and accommodate the connectors 256 on opposite sides of the cover body 26 respectively in the two In the receiving groove 216 of the frame body 21, the connecting piece 256 is placed on the corresponding fixing bar 217, so that the fixing holes 2568 of the connecting piece 256 are respectively facing the connecting holes 2170 of the frame body 21; several locking pieces such as screws pass through the connecting holes respectively 2170 is locked in the corresponding fixing hole 2568 so that the two frame bodies 21 are respectively fixedly connected to the corresponding connecting parts 256 .
  • the fronts of the two frame bodies 21 , the fronts of the two side supports 233 and the fronts of the middle support 231 are respectively fixedly connected to the corresponding connecting parts 256 .
  • the back of the flexible member 30 is connected to the front of the two frames 21 and the front of the bendable mechanism 23, the bendable area 31 is facing the bendable mechanism 23, and the two non-bending areas 33 are respectively facing the two frames 21 front.
  • the end of the rotating part 254 away from the connecting part 256 abuts against the middle supporting part 231, the middle supporting part 231 is flush with the two side supporting parts 233, and the first cam 2710 is aligned with the second
  • the cams 2720 fit together to limit the bendable mechanism 23 to maintain a flattened state; since the front of the bendable mechanism 23 is a complete surface, there is no step difference in the middle support member 231, so the flexible member 30 will not be subjected to a step difference when it is flattened.
  • the flexible part 30 will not have bad problems such as colored spots and bright spots, so as to ensure the reliability of the flexible part 30. At the same time, it also improves the touch feeling of the flexible part 30 and improves the user experience.
  • FIGS. 27-33 Please refer to FIGS. 27-33 together.
  • a bending force is applied to at least one of the two frames 21 of the electronic device 100, so that the rotating mechanism 253 connected to the two frames 21 Rotate in the direction adjacent to each other, the folding device 22 is realized by the folding aid assembly 27 , and the bendable region 31 of the flexible member 30 is bent with the bendable mechanism 23 .
  • the one of the frame bodies 21 drives the corresponding rotating mechanism 253 to rotate to the side close to the flexible member 30 relative to the positioning member 251, so as to drive the corresponding connecting rod
  • the member 277 rotates along the rotating shaft 276, the rotation of the connecting rod member 277 drives the corresponding first gear 2771 to rotate, and the gear combination 278 drives the corresponding two first gears 2771 to rotate synchronously, and the synchronously rotating first gear 2771 drives the corresponding two
  • the two connecting rods 277 move closer to each other synchronously; at the same time, the connecting piece 256 drives the first arc rail 2335 of the side support 233 to be rotationally connected to the corresponding first arc groove 2560, and the guide slide portion 2333 of the side support 233 Slidingly and rotationally sleeved on the connecting shaft 2519; at the same time, the rotating mechanisms 253 on opposite sides of the linkage mechanism 275 are synchronously rotated relative to the positioning member 251 and move closer
  • the rebound force of the flexible member 30 is M0, within a certain angle range (70°-130°), ensure that the total friction torque M is greater than or equal to the sum of the rebound force and the hovering safety torque increment, that is, M ⁇ M0+ ⁇ M, where ⁇ M is the hover safety torque increment.
  • the bendable region 31 of the flexible member 30 is bent to form a drop shape, which reduces the duty cycle of the bendable region 31 after bending, thereby reducing the overall thickness of the electronic device 100 .
  • a bending force can also be applied to the two frame bodies 21 at the same time, and the two frame bodies 21 respectively drive the two rotating mechanisms 253 to rotate to the side close to the flexible member 30, and The bending of the electronic device 100 is realized by the folding device 22 .
  • one of the frame bodies 21 is pulled outward, so that the two rotating mechanisms 253 connected to the two frame bodies 21 are rotated away from each other.
  • an outward pulling force is applied to one of the frame bodies 21 of the electronic device 100, and the one of the frame bodies 21 drives the corresponding rotating mechanism 253 to rotate to the side away from the flexible member 30 relative to the positioning member 251, so as to Drive the corresponding connecting rod 277 to rotate along the rotating shaft 276, the rotation of the connecting rod 277 drives the corresponding first gear 2771 to rotate, and the gear combination 278 drives the corresponding two first gears 2771 to rotate synchronously, and the synchronously rotating first gear 2771 drives the corresponding two connecting rods 277 away from each other synchronously; at the same time, the connecting piece 256 drives the first arc rail 2335 of the side support 233 to be rotationally connected to the corresponding first arc groove 2560, and the side support 233
  • the sliding part 2333 of the sliding and rotating sleeve is set on
  • the end of the rotating part 254 away from the connecting part 256 gradually pushes against the middle supporting part 231, so that the middle supporting part 231 moves away from the positioning part 251 until the middle supporting part 231 is flush with the two side supporting parts 233 , the middle support 231 and the side support 233 are used to support the bendable region 31, that is, after the flexible member 30 is flattened, there is no gap between the bendable region 31 and the middle support 231, which can prevent the flexible member 30 from being damaged and improve
  • the two frames 21 can also be simultaneously applied with a force of pulling outwards, and the two frames 21 respectively drive the two rotating mechanisms 253 to move away from the flexible member 30.
  • the electronic device 100 can be unfolded by turning sideways and through the folding device 22 .
  • the folding device 22 of the electronic device 100 of the present invention realizes synchronous bending or unfolding through the rotating assembly 25 and the folding-assisting assembly 27. Since the elastic assembly 273 of the limiting mechanism 270 of the folding-assisting assembly 27 can provide a relatively large axial force, the There is relatively large friction torque between the first cam 2710 and the second cam 2720; therefore, the total friction torque of the folding device 22 formed by the friction torque between the first cam 2710 and the second cam 2720 is sufficiently large , can realize the bending limit of the electronic device 100 at a specific angle between 70 degrees and 130 degrees, and realize the hovering function of the whole machine.
  • the folding aid assembly 27 and the rotating assembly 25 of the folding device 22 are fixedly connected to the connecting groove 2516 of the positioning member 251 through the rotating shaft 276, and the connecting rod member 277 and the connecting member 256 are connected through the shaft rod 2777 and the connecting rod 2773 and The guide slider 2566 is connected, and the two sides of the side support member 233 are respectively connected with the positioning member 251 and the connecting member 256, so that the structure of the folding device 22 is firm and the overall strength of the electronic device 100 is improved.
  • the second elastic member 2733 of each folding aid assembly 27 can be omitted, at this time, the frictional torque between the first cam 2710 and the second cam 2720 is greater than the rebound force of the bendable region 31 of the flexible member 30 , so that the two side supports 233 are relatively positioned at a specific angle.

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Abstract

一种折叠装置（22），折叠装置（22）包括可折弯机构（23）及转动组件（25），可折弯机构（23）包括两个侧部支撑件（233）；转动组件（25）包括定位件（251）及分别设于定位件（251）相对两侧的两个转动机构（253），转动机构（253）的一端转动地连接于定位件(251)，转动机构（253）远离定位件(251)的另一端转动地连接于对应的侧部支撑件（233），侧部支撑件（233）的一侧转动并滑动地连接于定位件(251)；当转动机构（253）相对于定位件(251)转动时，转动机构（253）带动侧部支撑件（233）相对于定位件(251)转动并滑动，以使两个侧部支撑件（233）相互折弯或相互展开。还提供了一种设有折叠装置（22）的折叠壳体（20）及设有折叠壳体（20）的电子设备（100）。

Description

折叠装置、折叠壳体及电子设备 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折叠壳体，以及设置有所述折叠壳体的电子设备。
背景技术
随着显示器材的发展，现已出现了一种可弯折柔性显示屏，从而设计出如折叠手机、折叠显示显等折叠式电子设备。所述柔性显示屏一般通过如铰链机构等折叠装置实现对所述柔性显示屏的折弯处进行支撑。然而，现有的折叠装置结构复杂，制造成本较高。
发明内容
本申请提供一种结构简单，制造成本较低的折叠装置、设置有所述折叠装置的折叠壳体，以及设有所述折叠壳体的电子设备。
本申请提供的一种折叠装置，所述折叠装置包括可折弯机构及转动组件，所述可折弯机构包括两个侧部支撑件；所述转动组件包括定位件及分别设于所述定位件相对两侧的两个转动机构，所述转动机构的一端转动地连接于所述定位件，所述转动机构远离所述定位件的另一端转动地连接于对应的侧部支撑件，所述侧部支撑件的一侧转动并滑动地连接于所述定位件；当所述转动机构相对于所述定位件转动时，所述转动机构带动所述侧部支撑件相对于所述定位件转动并滑动，以使两个所述侧部支撑件相互折弯或相互展开。
本申请还提供一种折叠壳体，所述折叠壳体包括折叠装置及两个框体，所述折叠装置位于两个所述框体之间，两个所述框体分别连接于所述折叠装置的两个所述转动机构，所述框体带动所述转动机构相对于所述定位件转动，所述可折弯机构随所述转动机构及联动机构实现同步折弯或展开。
本申请还提供一种电子设备，所述电子设备包括柔性件及折叠壳体，所述柔性件设置于所述折叠壳体上，所述柔性件随所述折叠壳体折弯或屏平。
本申请的电子设备的折叠装置包括可折弯机构及转动组件，所述转动组件包括定位件及设于定位件相对两侧的两个转动机构，所述转动机构的一端转动地连接于定位件，所述转动机构远离定位件的另一端转动地连接于对应的侧部支撑件，所述侧部支撑件的一侧转动并滑动地连接于所述定位件。两个框体相互靠近或相互远离，带动转动机构相对于定位件转动，所述转动机构带动两个侧部支撑件相互折叠或相互展开，从而实现折叠装置的折叠或展平。由于折叠装置通过可折弯机构及转动组件就能实现折叠或展平，无需设置铰链机构，因此，折叠装置的结构简单，制造成本较低，且各部件之间的连接可靠性高，整机强度提升。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请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中的电子设备的折叠壳体及柔性件的立体结构分解示意图；
图3是图2中的折叠壳体及柔性件的另一视角的立体结构示意图；
图4是图2中的折叠壳体的立体结构分解示意图；
图5是图3中的折叠壳体的立体结构分解示意图；
图6是图4中的折叠装置的立体结构示意图；
图7是图5中的折叠装置的立体结构示意图；
图8是图6中的折叠装置的部分立体结构分解示意图；
图9是图7中的折叠装置的部分立体结构分解示意图；
图10是图9中的折叠装置的另一视角的立体结构示意图；
图11是图10中的可折弯机构的立体结构分解示意图；
图12是图11中的可折弯机构的另一视角的立体结构示意图；
图13是图10中的助折组件的立体结构分解示意图；
图14是图13中的助折组件的另一视角的立体结构示意图；
图15是图13中的转动组件的立体结构分解示意图；
图16是图14中的转动组件的立体结构分解示意图；
图17是图13中的助折组件的立体结构放大图；
图18是图14中的助折组件的立体结构放大图；
图19是图17中的助折组件的立体结构分解示意图；
图20是图18中的助折组件的另一视角的立体结构示意图；
图21是图6中沿XXI-XXI线的剖视图；
图22是图6中沿XXII-XXII线的剖视图；
图23是图6中沿XXIII-XXIII线的剖视图；
图24是图1中沿XXIV-XXIV线的立体剖视图的部分结构示意图；
图25是图1中沿XXV-XXV线的立体剖视图的部分结构示意图；
图26是图1中沿XXVI-XXVI线的立体剖视图的部分结构示意图；
图27是图1中的电子设备的折叠状态的立体结构示意图；
图28是图27中的折叠装置的立体结构示意图；
图29是图28中的折叠装置的另一视角的立体结构示意图；
图30是图27中的电子设备的其中一立体剖视图；
图31是图30中的电子设备的侧视图；
图32是图27中的电子设备的另一立体剖视图；
图33是图32中的电子设备的侧视图。
具体实施方式
一种折叠装置，所述折叠装置包括：可折弯机构，包括两个侧部支撑件；以及
转动组件，包括定位件及分别设于所述定位件相对两侧的两个转动机构，所述转动机构的一端转动地连接于所述定位件，所述转动机构远离所述定位件的另一端转动地连接于对应的侧部支撑件，所述侧部支撑件的一侧转动并滑动地连接于所述定位件；当所述转动机构相对于所述定位件转动时，所述转动机构带动所述侧部支撑件相对于所述定位件转动并滑动，以使两个所述侧部支撑件相互折弯或相互展开。
所述转动机构包括转动件及连接于所述转动件的连接件，所述转动件远离所述连接件的一端转动地连接于所述定位件，所述侧部支撑件远离所述定位件的一侧转动地连接于所述连接件。
所述转动件与所述定位件之间的转动轴心线平行于所述侧部支撑件与所述连接件之间的转动轴心线。
所述侧部支撑件设有第一圆弧轨，所述连接件对应所述第一圆弧轨设有第一圆弧槽；或者所述侧部支撑件设有第一圆弧槽，所述连接件对应所述第一圆弧槽设有第一圆弧轨；所述第一圆弧轨的轴心线与所述侧部支撑件与所述连接件之间的转动轴心线共线。
所述定位件的侧部设有转接槽，所述转接槽穿通所述定位件的正面，所述转接槽的侧面凸设第二圆弧轨，所述转动件的侧面设有对应所述第二圆弧轨的第二圆弧槽；或者所述转接槽的侧面设有第二圆弧槽，所述转动件的侧面凸设对应所述第二圆弧槽的第二圆弧轨；所述第二圆弧轨的轴心线与所述转动件与所述定位件之间的转动轴心线共线。
所述侧部支撑件设有导滑部，所述导滑部设有导滑槽，所述导滑部通过连接轴杆连接于所述定位件，所述连接轴杆插设于所述导滑槽并定位于所述定位件，所述连接轴杆的轴心线平行于所述转动件与所述定位件之间的转动轴心线。
所述定位件对应所述导滑部设有收容槽，所述连接轴杆连接于所述收容槽相对的两侧面，所述导滑部滑动并转动地套设于所述连接轴杆上。
所述可折弯机构还包括中部支撑件,所述中部支撑件位于两个所述侧部支撑件之间，所述侧部支撑件靠近所述中部支撑件的一侧转动并滑动地连接于所述定位件，所述侧部支撑件远离所述中部支撑件的一侧转动地连接于对应的连接件；当两个所述侧部支撑件与所述中部支撑件呈展平状态时，所述转动件远离所述连接件的端部抵顶所述中部支撑件；当两个所述侧部支撑件与所述中部支撑件呈折弯状态时，所述转动件远离所述连接件的端部解除对所述中部支撑件的抵顶。
所述中部支撑件与所述定位件之间设有弹性件，所述弹性件具有带动所述中部支撑件向所述定位件靠近的预弹力。
所述中部支撑件与所述定位件之间设有锁接件，所述弹性件位于所述锁接件与所述定位件之间。
所述侧部支撑件靠近所述中部支撑件的一侧凸设若干凸耳，在两个所述侧部支撑件与所述中部支撑件呈展平状态时，若干所述凸耳支撑所述中部支撑件。
所述折叠装置还包括助折组件，所述助折组件包括联动机构，所述联动机构连接于所述定位件与所述连接件之间，所述转动机构通过所述联动机构相对于所述定位件同步转动。
所述助折组件还包括限位机构，所述限位机构包括设于所述联动机构的抵推件、抵持件及弹性件，所述弹性件提供所述抵持件与所述抵推件之间相互抵顶的弹力，所述转动机构通过所述联动机构相对于所述定位件转动，所述抵推件相对于所述抵持件转动，所述弹性件被弹性挤压发生弹性变形，所述抵推件与所述抵持件之间的摩擦阻力能使所述侧部支撑件相对于所述中部支撑件定位在特定角度。
所述特定角度的范围为两个所述侧部支撑件之间的夹角在70度-130度。
所述抵推件包括第一凸轮，所述抵持件包括第二凸轮，所述第一凸轮与所述第二凸轮相互可转动抵持。
所述折叠装置用于支撑柔性件，所述第一凸轮与所述第二凸轮之间的摩擦扭力大于所述柔性件的反弹 力，以使两个所述侧部支撑件之间定位在特定角度。
所述限位机构还包括定位件，所述弹性件被挤压在所述定位件与所述抵持件之间，使所述弹性件具有使所述抵持件与所述抵推件相互抵顶的弹力。
所述联动机构包括两个转动轴、分别连接于两个所述转动轴的连杆件，以及位于所述连杆件之间的齿轮组合，每一连杆件设有啮合所述齿轮组合的第一齿轮，每一连杆件连接所述抵推件，使所述第一凸轮套设于所述转动轴，所述抵持件包括两个所述第二凸轮，两个所述第二凸轮分别滑动地套设于两个所述转动轴，所述连杆件随所述转动件沿所述转动轴转动以带动所述第一凸轮相对于所述第二凸轮转动。
所述折叠壳体包括折叠装置及两个框体，所述折叠装置位于两个所述框体之间，两个所述框体分别连接于所述折叠装置的两个所述转动机构，所述框体带动所述转动机构相对于所述定位件转动，所述可折弯机构随所述转动机构及联动机构实现同步折弯或展开。
一种电子设备，所述电子设备包括柔性件及折叠壳体，所述柔性件设置于所述折叠壳体上，所述柔性件随所述折叠壳体折弯或屏平。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有付出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
此外，以下各实施方式的说明是参考附加的图示，用以例示本申请可用以实施的特定实施方式。本申请中所提到的方向用语，例如，“上”、“下”、“前”、“后”、“左”、“右”、“内”、“外”、“侧面”等，仅是参考附加图式的方向，因此，使用的方向用语是为了更好、更清楚地说明及理解本申请，而不是指示或暗指所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“设置在……上”应做广义理解，例如，可以是固定连接，也可以是可拆卸地连接，或者一体地连接；可以是机械连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
请一并参阅图1至图10，本发明的其中一实施例中的电子设备100包括折叠壳体20及设置于折叠壳体20上的柔性件30。柔性件30可为柔性显示屏、柔性触摸屏、柔性触摸显示屏等各种具备相应功能的柔性部件，或者为固定贴合有柔性支撑板的柔性部件，如贴合有柔性钢板的柔性显示屏、柔性触摸屏等。折叠壳体20包括两个框体21及连接于两个框体21之间的折叠装置22。柔性件30设置有对应折叠装置22的可折弯区域31，以及连接于可折弯区域31相对的两侧的两个非折弯区域33。柔性件30的两个非折弯区域33可分别固定在两个框体21的正面上，可折弯区域31贴合于折叠装置22的正面上。折叠装置22用于支撑柔性件30的可折弯区域31，柔性件30随折叠装置22折弯或展平。折叠装置22包括可折弯机构23、转动组件25及助折组件27，可折弯机构23包括中部支撑件231及设于中部支撑件231相对两侧的侧部支撑件233，柔性件30贴合于中部支撑件231和侧部支撑件233上；转动组件25包括定位件251及设于定位件251相对两侧的转动机构253，转动机构253的一端转动地连接于定位件251，转动机构253远离定位件251的另一端转动地连接于对应的侧部支撑件233，侧部支撑件233靠近中部支撑件231的一侧转动并滑动地连接于定位件251，转动机构253相对于定位件251转动，转动机构253带动侧部支撑件233相对于定位件251转动并滑动，以使侧部支撑件233与中部支撑件231相互折弯或相互屏开。进一步地，助折组件27包括限位机构270及联动机构275，联动机构275连接于转动组件25，限位机构270位于转动组件25与联动机构275之间；转动机构253通过联动机构275相对于定位件251同步转动，转动机构253带动侧部支撑件233相对于定位件251同步转动并滑动，以使两个侧部支撑件233与中部支撑件231相互折弯或相互展开。两个框体21分别连接于折叠装置22的两个转动机构253，框体21带动转动机构253相对于定位件251转动，可折弯机构23随转动机构253及联动机构275实现同步折弯或展开，柔性件30随可折弯机构23折弯或展平，可折弯区域31可以弯折形成U形或水滴形或者其他形状。本实施例中，可折弯区域31能弯折成水滴形。
本实施例中，所述正面指与柔性件30的出光面朝向相同的面，背面指与柔性件30的出光面朝向背离的面。电子设备100例如是，但不局限于手机、平板电脑、显示器、液晶面板、OLED面板、电视、智慧手表、VR头戴显示器、车载显示器等其它任何具有显示功能的产品和部件。本发明实施例的描述中的“连接”是包括直接连接和间接连接两种情况，比如A和B连接包括A和B直接连接或者通过第三个元件C或更多的其他元件连接。连接还包括一体化连接和非一体化连接两种情况，一体化连接是指A和B是一体形成并连接，非一体化连接是指A和B是非一体化形成并连接。
本发明的电子设备100的折叠装置22包括可折弯机构23及转动组件25，转动组件25包括定位件251及设于定位件251相对两侧的转动机构253，转动机构253的一端转动地连接于定位件251，转动机构253远离定位件251的另一端转动地连接于对应的侧部支撑件233，侧部支撑件233靠近中部支撑件231的一侧转动并滑动地连接于定位件251。两个框体相互靠近或相互远离，带动转动机构253相对于定位件251转动，转动机构253带动两个侧部支撑件233相互折叠或相互展开，从而实现柔性件30的折叠或展平。 由于折叠装置22通过可折弯机构23及转动组件25就能实现折叠或展平，无需设置铰链机构，因此，折叠装置22的结构简单，制造成本较低，且各部件之间的连接可靠性高，整机强度提升。
如图8-图10所示，本实施例中的折叠装置22包括两个转动组件25及一个助折组件27，两个转动组件25分别设置于可折弯机构23背面相对的两端，助折组件27连接于其中一转动组件25。转动机构253的一端转动地连接于对应的定位件251，转动机构253相对的另一端活动地连接于对应的侧部支撑件233，侧部支撑件233靠近中部支撑件251的一侧活动地连接于定位件251；具体地，每一转动机构253靠近中部支撑件251的一端转动地连接于对应的定位件251，相对的另一端转动地连接于对应的侧部支撑件233，每一侧部支撑件233靠近中部支撑件231的一侧活动连接于定位件251，转动机构253相对于定位件251转动，使得对应的侧部支撑件233相对于定位件251滑动并转动，从而使其中一侧部支撑件233靠近或远离另一侧部支撑件233，从而实现可折弯机构23的弯折或展平。由于联动机构275连接于转动组件25，即联动机构275连接于定位件251与转动机构253之间，当一侧的连接件256转动时，带动同侧的转动件254相对于定位件251转动，所述转动件254通过联动机构275带动另一侧的转动件254转动，再带动另一侧的连接件256转动。也就是，当定位件251一侧的转动机构253转动时，带动同侧的侧部支撑件233相对于定位件251转动并滑动，所述转动机构253通过联动机构275带动另一侧的转动机构253转动，所述另一侧的转动机构253带动同侧的侧部支撑件233相对于定位件251转动并滑动，从而实现可折弯机构23的联动。
在一些实施例中，折叠装置22也可以包括两个转动组件25及两个助折组件27，两个转动组件25分别设置于可折弯机构23背面相对的两端，两个助折组件27分别连接于两个转动组件25，转动组件25及助折组件27设置于可折弯机构23的背面。
在一些实施例中，折叠装置22也可以只包括一个转动组件25及连接于转动组件25的一个助折组件27，转动组件25及助折组件27设置于可折弯机构23的背面。
在一些实施例中，折叠装置22可以包括三个或三个以上的转动组件25，以及至少一助折组件27，助折组件27连接于其中一转动组件25，转动组件25及助折组件27设置于可折弯机构23的背面。
如图2至图5所示，折叠装置22相对两侧的转动机构253分别固定连接于两个框体21，其中一框体21相对于另一框体21折叠或展平，能带动对应的转动机构253相对于定位件251转动，转动机构253带动对应的侧部支撑件233相对于定位件251转动并滑动，直至两个侧部支撑件233与中部支撑件231折弯成水滴状或者展开成水平状，柔性件30的可折弯区域31随可折弯区域31折叠成水滴状或展开成水平状。具体地，框体21包括正面211、背面213、相对的两侧面214及两端面215，折叠装置22连接于两个框体21的两个端面215之间，柔性件30的非折弯区域33连接于框体21的正面211；每一框体21朝向折叠装置22的端面215设有收容槽216，收容槽216穿通框体21的正面211，收容槽216相对的两端延伸至靠近框体21相对的两侧面214。框体21的收容槽216的底面设有用于固定连接转动机构253的固定条217，固定条217上开设若干连接孔2170，每一连接孔2170穿通框体21的背面213。框体21的背面213设有若干收容空间(图中未示)，收容空间用于安装电路板、电池等电子器件；框体21的背面213还覆盖有背盖(图中未示)。
请一并参阅图11及图12，中部支撑件231为条状，其包括正面2311及背朝正面2311的背面2312，中部支撑件231的背面2312相对的两端分别凸设连接柱2313，连接柱2313沿其轴向设有连接孔2314。中部支撑件231的背面2312相对的两侧分别设有若干定位槽2315，同侧的若干定位槽2315沿中部支撑件231的长度方向间隔排列，每一连接柱2313相对的两侧分别设有定位槽2315；中部支撑件231的背面2312相对的两端部分别设有一对避位槽2317，每一对避位槽2317位于中部支撑件231相对的两侧。中部支撑件231靠近中部处分别朝相对的两侧延伸出支撑片2318。
侧部支撑件233为矩形板状，其包括正面2331及背朝正面2331的背面2332，侧部支撑件233设有导滑部2333，导滑部2333设有导滑槽2334；具体地，侧部支撑件233的背面2332相对的两端分别凸设导滑部2333，每一导滑部2333为弧形块，所述弧形块的一端延伸出侧部支撑件233朝向中部支撑件231的侧面，导滑槽2334为开设于导滑部2333的弧形槽；侧部支撑件233的背面2332远离中部支撑件231的一侧设有若干第一圆弧轨2335，第一圆弧轨2335用于转动地连接于转动机构253；导滑部233与第一圆弧轨2335分别位于侧部支撑件233相对的两侧。具体地，每一第一圆弧轨2335通过连接片2336连接于侧部支撑件233的背面2332，第一圆弧轨2335自侧部支撑件233向远离导滑部233的一侧弯曲。本实施例中，侧部支撑件233的背面2332设有三个第一圆弧轨2335，其中两个第一圆弧轨2335分别通过连接片2336连接于侧部支撑件233相对的两端，另一个第一圆弧轨2335通过连接片2336连接于侧部支撑件233的中部。在其他实施例中，每一第一圆弧轨2335上的连接片2336可以省略。侧部支撑件233靠近中部支撑件231的一侧凸设若干凸耳2337，若干凸耳2337分别对应中部支撑件231的若干定位槽2315；侧部支撑件233朝向中部支撑件231的一侧设有避位口2338。在两个侧部支撑件233与中部支撑件231在呈展平状态时，若干凸耳2337分别定位于若干定位槽2315内，从而使若干凸耳2337支撑中部支撑件231；中部支撑件231的两个支撑片2318分别容置于两个避位口2338。
请一并参阅图9-图10及图13-图16，转动机构253包括转动件254及连接于转动件254的连接件256，转动件254远离连接件256的一端转动地连接于定位件251，侧部支撑件233远离中部支撑件231的一侧转动地连接于连接件256；联动机构275连接于定位件251与连接件256之间。侧部支撑件233与连接件256之间通过圆弧槽与圆弧轨的配合可转动地连接，定位件251与转动件254之间也通过圆弧槽与圆弧轨的配合可转动地连接；具体地，连接件256对应侧部支撑件233的第一圆弧轨2335设有第一圆弧槽2560，第一圆弧轨2335可转动地插设于第一圆弧槽2560内，以使连接件256与侧部支撑件233之间沿第一圆弧槽2560相对转动，第一圆弧轨2335的轴心线与侧部支撑件233与连接件256之间的转动轴心线共线；定位件251设有第二圆弧轨2512，转动件254设有对应第二圆弧轨2512的第二圆弧槽2540，以使连接件256与侧部支撑件233之间沿第二圆弧槽2540相对转动，第二圆弧轨2512的轴心线与转动件254与定位件251之间的转动轴心线共线。
具体地，定位件251呈矩形块，其包括横截面呈圆弧形的背面及背朝所述背面的正面2510，定位件251的正面2510的中部设有收容槽2511，收容槽2511沿定位件251的长度方向延伸并穿通定位件251相对的两端面；定位件251相对的两侧部分别设有转接槽2513，两个转接槽2513在定位件251上错位设置，每一转接槽2513穿通正面2510，且转接槽2513连通收容槽2511；定位件251于转接槽2513相对的两侧面凸设有一对第二圆弧轨2512，第二圆弧轨2512的开口朝向正面2510。定位件251对应导滑部2333设有收容槽2514，具体地，收容槽2514位于定位件251的正面2510的一端，收容槽2514相对的两端分别穿通定位件251相对的两侧面。定位件251靠近收容槽2514的端面相对的两侧分别设有连接孔2515，每一连接孔2515穿通收容槽2514。定位件251远离收容槽2514的端面设有间隔的两个连接槽2516。定位件251的正面2510开设两个沉头孔2517，两个沉头孔2517位于收容槽2511相对的两侧。定位件251的背面于两个转接槽2513之间设有安装槽2518，安装槽2518的中部连通收容槽2511。
转动件254包括转动部2541、固定部2542及连接于转动部2541与固定部2542之间的连接部2543，转动部2541用于转动地连接于定位件251，固定部2542用于固定连接于连接件256。转动部2541为圆弧形块，所述圆弧形块相对的两侧面设有一对第二圆弧槽2540。本实施例中，转动件254与连接件256之间通过一体成型制成。连接部2543为倾斜条，连接部2543相对的两端分别连接于转动部2541的一端部及固定部2542的一端部。
连接件256呈条状，本实施例中，连接件256为矩形杆，连接件256相对的两端面分别设有第一圆弧槽2560，第一圆弧槽2560的一端穿通连接件256的正面，相对的另一端穿通连接件256背离定位件251的侧面。转动件254固定于连接件256，具体地，转动件254与连接件256之间可以通过但不限于卡接固定、螺接固定、胶接固定等。转动件254的固定部2542固定连接于连接件256；连接件256的背面靠近一端部处设有避位槽2565，避位槽2565穿通连接件256相对的两侧面及正面。连接件256的背面靠近避位槽2565的端部凸设导滑块2566，导滑块2566相对的两端设置为圆弧面；导滑块2566上设有倾斜的导滑槽2567，导滑槽2567从连接件256的正面朝背面的方向并向靠近定位件251的方向倾斜延伸；优选地，导滑槽2567相对的两端沿平行于连接件256的背面的方向延伸，导滑槽2567的中部呈倾斜状。连接件256的正面开设若干固定孔2568，连接件256通过若干固定孔2568连接于对应的框体21。
需要说明的是，转动组件25中的两个转动机构253除两个转动件254与对应的两个连接件256的固定位置不同外，其他结构相同；具体地，转动组件25中的其中一连接件256上的转动件254靠近所述连接件256的端部处，另一连接件256上的转动件254靠近所述连接件256的中部处。本实施例中，折叠装置22包括两个转动组件25及一个助折组件27，助折组件27连接于其中一个转动组件25，因此，没有与助折组件27相连接的转动组件25可以省略连接件256上的导滑块2566及避位槽2565。在一些实施例中，折叠装置22包括两个转动组件25及两个助折组件27，两个助折组件27分别连接于两个转动组件25，则每一转动组件25的连接件256具有导滑块2566及避位槽2565。
请一并参阅图13-图16，组装转动组件25时，将两个转动件254的转动部2541分别插入定位件251对应的转接槽2513内，每一转接槽2513中的两个第二圆弧轨2512分别插入对应的第二圆弧槽2540中，第二圆弧轨2512沿第二圆弧槽2540转动，以使转动机构253可转动地连接于定位件251，从而实现两个转动机构253相互折叠或相互展平。当两个转动机构253相互展平时，转动件254的转动部2541背离连接部2543的端部延出转接槽2513而位于收容槽2511内；当两个转动机构253相互折叠时，转动件254的转动部2541背离连接部2543的端部容置在转接槽2513内。
在一些实施例中，定位件251在转接槽2513其中一侧面上凸设一个第二圆弧轨2512，转动件254的转动部2541对应第二圆弧轨2512设有一个第二圆弧槽254；当转动部2541插入转接槽2513中时，第二圆弧轨2512插入第二圆弧槽2540中。
在一些实施例中，定位件251的转接槽2513的侧面设有第二圆弧槽，转动件254的转动部2541的侧面凸设对应第二圆弧槽的第二圆弧轨。具体地，转接槽2513相对的两侧面设有一对第二圆弧槽，转动部2541相对的两侧面对应所述一对第二圆弧槽凸设一对第二圆弧轨，当转动部2541插入转接槽2513内时，一对第二圆弧轨分别插入一对第二圆弧槽中；或者转接槽2513的其中一侧面设有一个第二圆弧槽，转动 部2541对应所述第二圆弧槽的侧面凸设第二圆弧轨，当转动部2541插入转接槽2513内时，第二圆弧轨插入第二圆弧槽中。
请一并参阅图13-图14及图17-图18，折叠装置22还包括锁接机构24，锁接机构24用于将中部支撑件231连接至转动组件25，具体地，锁接机构24包括弹性件241、锁接件243及抵顶件245，弹性件241连接于中部支撑件231与定位件251之间，弹性件241具有带动中部支撑件231向定位件靠近的预弹力；锁接件243用于中部支撑件231与定位件251之间的连接，弹性件241位于锁接件243与定位件251之间，抵顶件245用于定位弹性件241。本实施例中，每一定位件251与中部支撑件231之间设有锁接机构24，弹性件241为弹簧，锁接件243为螺钉，抵顶件245为定位片，所述定位片的中部开设通孔2450，所述定位片相对的两端分别设有定位孔2452，每一定位孔2452中定位有弹性件241。
请参阅图9-图14及图17-图20，限位机构270包括设于联动机构275的抵推件271、抵持件272、弹性组件273及定位件274，弹性组件273提供抵持件272与抵推件271之间相互抵顶的弹力，转动机构253通过联动机构275相对于定位件251转动，抵推件271相对于抵持件272转动，弹性组件273被弹性挤压发生弹性变形，抵推件271与抵持件272之间的摩擦阻力能使侧部支撑件233相对于中部支撑件231定位在特定角度；所述特定角度的范围为两个侧部支撑件233之间的夹角在70度-130度，具体地，当折叠装置22的两个侧部支撑件233通过转动组件25及助折组件27相互展开或相互折叠至等于或大于70度且小于或等于130度时，抵推件271与抵持件272之间的摩擦助力使两个侧部支撑件233定位，即在没有外力的情况下两个侧部支撑件233不相互转动。抵推件271包括第一凸轮2710，抵持件272包括第二凸轮2720，第一凸轮2710与第二凸轮2720相互可转动抵持；当第一凸轮2710相对于第二凸轮2720转动时，第一凸轮2710转动地抵推第二凸轮2720向远离或靠近所述第一凸轮2710的滑动，弹性组件273被挤压，第一凸轮2710与第二凸轮2720之间的摩擦阻力能使抵推件271相对于抵持件272限位至特定角度。具体地，第一凸轮2710包括圆形的套筒及设于所述套筒一端的凹凸面，所述凹凸面包括第一凸出部2714及第一凹陷部2715，第一凸出部2714及第一凹陷部2715沿所述套筒的周向依次间隔排列。第一凸出部2714的数量及第一凹陷部2715的数量可以根据需要进行设置，如第一凸轮2710可以包括一个第一凸出部2714及一个第一凹陷部2715、两个第一凸出部2714及两个第一凹陷部2715、三个第一凸出部2714及三个第一凹陷部2715，或者四个第一凸出部2714及四个第一凹陷部2715等。
抵持件272还包括连接部2722及设于所述连接部2722相对两端的两个第二凸轮2720，即两个第二凸轮2720位于连接部2722相对的两端，转动轴276插设于第二凸轮2720，第一凸轮2710相对于第二凸轮2720转动，抵持件272能沿转动轴276的轴向滑动。具体地，第二凸轮2720包括圆形的套筒及设于所述套筒一端的凹凸面，所述凹凸面包括第二凸出部2724及第二凹陷部2725，第二凸出部2724及第二凹陷部2725沿所述套筒的周向依次间隔排列；第二凸轮2720上的第二凸出部2724的数量及第二凹陷部2725的数量与第一凸轮2710上的第一凹陷部2715的数量及第一凸出部2714的数量一致，使得第一凸出部2714与第二凹陷部2725配合，第二凸出部2724与第一凹陷部2715配合。连接部2722设有两个轴孔2726，第二凸轮2720的轴心线平行于轴孔2726的轴心线。连接部2722沿第二凸轮2720的套筒的轴向设有间隔的两个导滑孔2727。
本实施例中，限位机构270包括两个抵持件272，两个抵持件272中除其中一个抵持件272多一根导滑柱2728外两者结构相同。具体地，所述其中一个抵持件272的连接部2722背离第二凸轮2720的表面凸设导滑柱2728，导滑柱2728位于两个导滑孔2727之间，导滑柱2728沿导滑孔2727的轴向方向延伸。
弹性组件273包括两个第一弹性件2731及位于两个第一弹性件2731之间的第二弹性件2733，两个第一弹性件2731分别套设于两个转动轴276。本实施例中，第一弹性件2731及第二弹性件2733均为弹簧。
定位件274包括定位片2741及两个卡环2745，定位片2741相对的两端面设为圆弧面，定位片2741相对的两端分别设有通孔2742；卡环2745为C型卡环。
联动机构275包括两个转动轴276、分别连接于两个所述转动轴276的连杆件277、位于连杆件277之间的齿轮组合278，以及固定件279，每一连杆件277设有啮合齿轮组合278的第一齿轮2771。每一连杆件277连接有抵推件271，第一凸轮2710套设于转动轴276。抵持件272包括两个第二凸轮2720，两个第二凸轮2720分别滑动地套设于两个转动轴276，两个连杆件277远离第一凸轮2710的一端分别连接于两个连接件256，所述连杆件277随连接件256沿转动轴276相对于定位件251转动以带动第一凸轮2710相对于所述第二凸轮2720转动。
具体地，转动轴276包括轴体2760及位于轴体2760一端的定位盖2762，轴体2760远离定位盖2762的端部设有卡槽2763，卡槽2763位于轴体2760的外周壁并沿轴体2760的周向围设一圈。
连杆件277还包括套筒2772及连接于套筒2772外周壁的连杆2773，套筒2772用于套设于轴体2760，抵推件271连接于套筒2772的一端，具体地，第一凸轮2710的套筒连接于套筒2772，且第一凸轮2710的套筒与套筒2772共轴心线。第一齿轮2771设于套筒2772的外周壁，具体地，第一齿轮2771位于背离连杆2773的一侧，第一齿轮2771的轴心线与套筒2772的轴心线共线。本实施例中，第一齿轮2771的齿牙沿套筒2772的周向排列的转动角度范围为大于90度小于180度，即套筒2772大于四分之一且小于二 分之一的外周壁上设有第一齿轮2771。抵推件271设于套筒2772的端部，套筒2772的轴心线与抵推件271的第一凸轮2710的轴心线共线。套筒2772具有轴孔，转动轴276插入套筒2772的轴孔中。连杆2773远离套筒2772的端部设有轴孔2775，连杆件277通过轴孔2775连接于连接件256。
齿轮组合278包括两个相互啮合的第二齿轮2782，两个连杆件277的第一齿轮2771分别与两个第二齿轮2782啮合，第二齿轮2782的分度圆的直径小于第一齿轮2771的分度圆的直径，且第二齿轮2782围设一圈的齿牙数量少于第一齿轮2771围设一圈的齿牙数量。在转动轴276一定宽度和高度空间下，通过设置在两个转动轴276之间的两个第二齿轮2782来增大第一齿轮2771的分度圆的直径，从而能增大第一凸轮2710的外径，使得第一凸轮2710与第二凸轮2720之间能提供较大的摩擦扭力，且能减少第一凸轮2710的疲劳磨损，从而延长第一凸轮2710的使用寿命。第二齿轮2782的中部沿其轴向开设轴孔2784。
本实施例中，联动机构275包括两对连杆件277及两个齿轮组合278，每一对连杆件277之间设有一个齿轮组合278；两对连杆件277分别设置于固定件279相对的两侧。
在一些实施例中，联动机构275也可以只包括一对连杆件277及设于一对连杆件277之间的齿轮组合278。
固定件279包括固定条2790及设于固定条2790上的相互间隔的两个连接轴2795，固定条2790包括位于其中部的第一固定块2791及位于第一固定块2791相对两端的两个第二固定块2792，第二固定块2792背离第一固定块2791的端面设为圆弧面。第一固定块2791沿垂直于固定条2790的长度方向设有两个连接孔，两个连接轴2795的中部分别固定插接于第一固定块2791的两个连接孔中，两个连接轴2795对应齿轮组合278的两个轴孔2784。第一固定块2791的正面设有沉头孔2793，沉头孔2793的延伸方向垂直于连接轴2795的轴心线。第二固定块2792沿连接轴2795的轴向开设轴孔2794。
如图8-图10所示，折叠装置22还包括盖体26，定位件251及固定件279连接于盖体26。具体地，盖体26为条形框，盖体26上具有两个第一安装部261及第二安装部265，两个第一安装部261位于盖体26相对的两端，第二安装部265位于盖体26的中部并靠近其中一第一安装部261。第一安装部261包括凸设于盖体26内表面的支撑筒2611及若干支撑块2612，支撑筒2611沿其轴向设有连接孔2613。第二安装部265包括凸设于盖体26内表面的支撑柱2651，支撑柱2651沿其轴向设有连接孔2653。
请一并参阅图17-图20，组装联动机构275及限位机构270时，将两个转动轴276远离定位盖2762的端部分别插入不具有导滑柱2728的抵持件272的两个第二凸轮2720的套筒中，直至所述抵持件272止挡于转动轴276的定位盖2762；将其中一齿轮组合278位于一对连杆件277之间，且两个第二齿轮2782分别啮合两个第一齿轮2771，其中两个第二凸轮2720位于同侧；将两个转动轴276远离定位盖2762的端部分别插入所述一对连杆件277的套筒2772中；此时，所述一对连杆件277的第一凸轮2710与抵持件272的第二凸轮2720配合。将两个转动轴726远离定位逆转2762的端部分别插入固定件279的两个轴孔2794，使固定件279的两个连接轴2795分别插入两个转动轴276上的两个齿轮组合278的轴孔2784及抵持件272的两个导滑孔2727中；将另一齿轮组合278位于另一对连杆件277之间，且两个第二齿轮2782分别啮合两个第一齿轮2771，其中两个第二凸轮2720位于同侧，并将两个转动轴276远离定位盖2762的端部分别插入所述另一对连杆件277的套筒2772中且固定件279的两个连接轴2795分别插入齿轮组合278的轴孔2784，此时，两对连杆件277及对应的齿轮组合278分别位于固定件279相对的两侧。将具有导滑柱2728的抵持件272套接于两个转动轴276及固定件279的两个连接轴2795上，具体地，两个转动轴276分别插设于抵持件272的两个第二凸轮2720的套筒，且连接轴2795分别插设于抵持件272的两个导滑孔2727中，此时，所述另一对连杆件277的第一凸轮2710与抵持件272的第二凸轮2720配合。将两个第一弹性件2731分别套接于两个转动轴276，将第二弹性件2733套接于导滑柱2728，且第二弹性件2733位于两个第一弹性件2731之间；将定位件274套接地两个转动轴276上，即两个转动轴276分别插入定位件274的两个通孔2742，且将两个卡环2745分别卡接于两个转动轴276的卡槽2763。此时，两个卡环2745分别抵顶定位件274背离弹性组件273的侧面，弹性组件273处于被挤压状态，即弹性组件273具有预弹力,若第一弹性件2731具有预弹力F0，第二弹性件2733具有预弹力F1；每一第一凸轮2710可转动抵持于对应的第二凸轮2720，即第一凸出部2714容置于第二凹陷部2725，第二凸出部2724容置于第一凹陷部2715；每一转动轴276上的第一凸轮2710及第二凸轮及2720上的轴向力F等于第一弹性件2731的预弹力F0与第二弹性件2733的预弹力F1的一半之和，即F＝F0+1/2*F1。
在一些实施例中，第一弹性件2731与第二弹性件2733属于同一型号，即第一弹性件2731与第二弹性件2733相同，即第一弹性件2731及第二弹性件2733均具有预弹力F0；每一转动轴276上的第一凸轮2710及第二凸轮及2720上的轴向力为F＝F0*3/2。
在一些实施例中，第二弹性件2733可以省略，导滑柱2728也可以省略，此时，每一转动轴276上的第一凸轮2710及第二凸轮2720上的轴向等于第一弹性件2731的预弹力，即F＝F0。
请一并参阅图6-图10及图21-图24，组装折叠装置22时，将组装完成的助折组件27组装至转动组件25，具体地，将助折组件27放置于转动组件25的两个转动机构253的连接件256之间，助折组件27的两个转动轴276远离定位盖2762的端部分别插入定位件251的两个连接槽2516中；将与助折组件27 相连接的转动组件25的两个连接件256的导滑块2566分别置于对应的两个连杆2773之间，提供轴杆2777插设于连杆2773的轴孔2775及导滑块2566的导滑槽2567。将两个定位件251分别放置于中部支撑件231的背面，使中部支撑件231的两个连接柱2313分别插入两个定位件251的安装槽2518中；将弹性件241放置于抵顶件245的定位孔2452中，再将抵顶件245连同弹性件241放置于定位件251的安装槽2518，使弹性件241位于定位件251与抵顶件245之间，锁接件243穿过抵顶件245的通孔2450锁固于中部支撑件231的连接孔2314，使弹性件241被定位件251和抵顶件245挤压而具有拉动中部支撑件231朝向定位件251移动的弹力。此时，中部支撑件231容置于定位件251的收容槽2514内。将中部支撑件231连接同两个转动组件25及助折组件27放置于盖体26上，使两个转动组件25分别对应盖体26的两个第一安装部261，助折组件27对应第二安装部265，若干锁固件如螺丝钉分别穿过定位件251的沉头孔2517及固定件279的沉头孔2793锁固于盖体26上对应的连接孔2613、2653。再将两个侧部支撑件233置于中部支撑件231相对的两侧，每一侧部支撑件233的两个导滑部2333分别插入两个定位件251的收容槽2514内，且提供连接轴杆2519插设于定位件251的连接孔2515及对应的导滑部2333的导滑槽2334；将每一侧部支撑件233的第一圆弧轨2335分别插入对应的连接件256的第一圆弧槽2560中。当侧部支撑件233与中部支撑件231呈展平状态时，转动件254远离连接件256的端部抵推中部支撑件231，使侧部支撑件233和中部支撑件231并排，且侧部支撑件233的若干凸耳2337分别插入中部支撑件231的若干定位槽2315中，即若干凸耳2337支撑中部支撑件231。
此时，转动件254与定位件251之间的转动轴心线平行于侧部支撑件233与连接件256之间的转动轴心线；转动件254与定位件251之间的转动轴心线平行于转动轴276的轴心线，且转动件254与定位件251之间的转动轴心线相较转动轴276的轴心线更靠近可折弯机构23；连接轴杆2519的轴心线平行于转动件254与定位件251之间的转动轴心线。当转动机构253相对于所述定位件251转动，转动机构253带动侧部支撑件233相对于定位件251转动并滑动，以使侧部支撑件233与中部支撑件231相互折弯或相互展开。具体地，转动件254相对于定位件251通过第二圆弧轨2512与第二圆弧槽2540相对转动；连杆件277随转动机构253沿对应的转动轴276转动，以使连杆件277的第一齿轮2771转动地啮合于齿轮组合278对应的第二齿轮2782，实现联动机构275的两个连杆件277同步转动；侧部支撑件233远离定位件251的第一圆弧轨2335转动地连接于对应的第一圆弧槽2560，侧部支撑件233的导滑部2333在对应的收容槽2514内滑动，以使导滑部2333滑动并转动地套设在连接轴杆2519上，以实现侧部支撑件233与中部支撑件231的相互折弯或相互展开。将折叠装置22由展平状态进行弯折时，将其中一连接件256相对于定位件251向另一连接件256弯折，所述其中一连接件256通过转动件254的第二圆弧槽2540与定位件251的第二圆弧轨2512相对转动，以带动对应的连杆件277沿转动轴276转动，连杆件277的转动带动对应的第一齿轮2771转动，通过齿轮组合278带动对应的两个第一齿轮2771同步转动，同步转动的第一齿轮2771带动对应的两个连杆件277同步相互靠拢；同时，连接件256带动侧部支撑件233的第一圆弧轨2335转动地连接于对应的第一圆弧槽2560，侧部支撑件233的导滑部2333在对应的收容槽2514内滑动，以使导滑部2333滑动并转动地套设在连接轴杆2519上；同时，联动机构275相对两侧的转动机构253相对于定位件251同步转动而相互靠拢，以带动两个侧部支撑件233同步相互靠拢，直至两个侧部支撑件233与中部支撑件231围成横截面成水滴状。
上述过程中，转动件254远离连接件256的端部逐渐解除对中部支撑件231的抵顶，弹性件241的弹力驱动锁接件243带动中部支撑件231向定位件251移动，直至中部支撑件231容置于收容槽2511中；每一转动轴276上的第一凸轮2710及第二凸轮2720上的轴向力等于第一弹性件2731的弹力和第二弹性件2733弹力的一半之和；第一凸轮2710与第二凸轮2720之间的摩擦阻力能使两个侧部支撑件233限位在70度至130度之间的特定角度。
在其他的使用方式中，可以将两个连接件256朝相向方向一同转动，每一连接件256通过对应的转动件254的第二圆弧槽2540与定位件251对应的第二圆弧轨2512相对转动，以带动联动机构275的连杆件277沿对应的转动轴276转动；同时，两个连接件256同步带动侧部支撑件233的第一圆弧轨2335转动地连接于对应的第一圆弧槽2560，侧部支撑件233的导滑部2333在对应的收容槽2514内滑动，以使导滑部2333滑动并转动地套设在连接轴杆2519上；连杆件277的转动带动对应的第一齿轮2771转动，通过齿轮组合278带动对应的两个第一齿轮2771同步转动，同步转动的第一齿轮2771带动对应的连杆件277同步相互靠拢；同时，联动机构275相对两侧的转动机构253相对于定位件251同步转动而相互靠拢，以带动两个侧部支撑件233同步相互靠拢，直至两个侧部支撑件233与中部支撑件231围成横截面成水滴状。
将折叠装置22由完全弯折状态进行展开时，将其中一连接件256相对于定位件251朝远离另一连接件256展开，所述其中一连接件256通过转动件254的第二圆弧槽2540与定位件251的第二圆弧轨相对转动，以带动对应的连杆件277沿转动轴276转动；同时，连接件256带动侧部支撑件233的第一圆弧轨2335转动地连接于对应的第一圆弧槽2560，侧部支撑件233的导滑部2333在对应的收容槽2514内滑动，以使导滑部2333滑动并转动地套设在连接轴杆2519上；连杆件277的转动带动对应的第一齿轮2771转动，通过齿轮组合278带动对应的两个第一齿轮2771同步转动，同步转动的第一齿轮2771带动对应的两 个连杆件277同步相互远离；同时，联动机构275相对两侧的转动机构253相对于定位件251同步转动而相互远离，以带动两个侧部支撑件233同步相互展开，直至两个侧部支撑件233与中部支撑件231呈展平状。
上述过程中，转动件254远离连接件256的端部逐渐对中部支撑件231进行抵推，以带动中部支撑件231向远离定位件251移动，弹性件241发生弹性变形，中部支撑件231移出收容槽2511，直至中部支撑件231与两个侧部支撑件233齐平；每一转动轴276上的第一凸轮2710及第二凸轮2720上的轴向力等于第一弹性件2731的弹力和第二弹性件2733弹力的一半之和；第一凸轮2710与第二凸轮2720之间的摩擦阻力能使两个侧部支撑件233限位在130度至70度之间的特定角度。
在其他的使用方式中，可以将两个连接件256朝相互远离的方向一同转动，每一连接件256通过对应的转动件254的第二圆弧槽2540与定位件251对应的第二圆弧轨2512相对转动，以带动联动机构275的连杆件277沿对应的转动轴276转动；同时，两个连接件256同步带动侧部支撑件233的第一圆弧轨2335转动地连接于对应的第一圆弧槽2560，侧部支撑件233的导滑部2333在对应的收容槽2514内滑动，以使导滑部2333滑动并转动地套设在连接轴杆2519上；连杆件277的转动带动对应的第一齿轮2771转动，通过齿轮组合278带动对应的两个第一齿轮2771同步转动，同步转动的第一齿轮2771带动对应的连杆件277同步相互远离；同时，联动机构275相对两侧的转动机构253相对于定位件251同步转动而相互远离，以带动两个侧部支撑件233同步相互远离，直至两个侧部支撑件233与中部支撑件231齐平。
在一些实施例中，第二弹性件2733可以省略，在联动机构275折弯或展开的过程中，每一转动轴276上的第一凸轮2710及第二凸轮2720上的轴向力等于第一弹性件2731的弹力。
请一并参阅图1-图5及图24-图26，将安装完成的折叠装置22置于两个框体21之间，将盖体26相对两侧的连接件256分别容置于两个框体21的收容槽216中，连接件256置于对应的固定条217上，使连接件256的固定孔2568分别正对框体21的连接孔2170；若干锁固件如螺钉分别穿过连接孔2170锁固于对应的固定孔2568内，使两个框体21分别固定连接于对应的连接件256。此时，两个框体21的正面、两个侧部支撑件233的正面及中部支撑件231的正面。柔性件30的背面连接于两个框体21的正面及可折弯机构23的正面，可折弯区域31正对可折弯机构23，两个非折弯区域33分别正对两个框体21的正面。当柔性件30处在展平状态时，转动件254远离连接件256的端部抵顶中部支撑件231，中部支撑件231与两个侧部支撑件233齐平，第一凸轮2710与第二凸轮2720相互贴合，以限定可折弯机构23保持展平状态；由于可折弯机构23的正面为完整面，中部支撑件231无段差存在，因此，柔性件30在展平时不会受到段差处的冲击，柔性件30不会出现彩点、亮点等不良问题，保证柔性件30的可靠性，同时，也提升柔性件30的触摸手感，提高用户使用体验。
请一并参阅图27-图33，弯折电子设备100时，对电子设备100的两个框体21至少其中一个施加折弯的力，使连接于两个所述框体21的转动机构253朝相互邻近的方向转动，通过助折组件27实现折叠装置22的折弯，柔性件30的可折弯区域31随可折弯机构23弯折。具体地，如对其中一框体21施加折弯的力，所述其中一框体21带动对应的转动机构253相对于定位件251向靠近柔性件30的一侧转动，以带动对应的连杆件277沿转动轴276转动，连杆件277的转动带动对应的第一齿轮2771转动，通过齿轮组合278带动对应的两个第一齿轮2771同步转动，同步转动的第一齿轮2771带动对应的两个连杆件277同步相互靠拢；同时，连接件256带动侧部支撑件233的第一圆弧轨2335转动地连接于对应的第一圆弧槽2560，侧部支撑件233的导滑部2333滑动并转动地套设在连接轴杆2519上；同时，联动机构275相对两侧的转动机构253相对于定位件251同步转动而相互靠拢，以带动两个侧部支撑件233同步相互靠拢，使得折叠装置22呈折弯状态，柔性件30的可折弯区域31随折叠装置22弯折，直至柔性件30的两个非折弯区域33的正面相互贴合，可折弯区域31弯折成水滴状，从而实现电子设备100的无缝折叠。
在上述过程中，转动件254远离连接件256的端部逐渐解除对中部支撑件231的抵顶，中部支撑件231向定位件251移动，直至中部支撑件231容置于收容槽2511中，以增大用于收容可折弯区域31的空间，避免中部支撑件231抵顶可折弯区域31，从而使柔性件30在折叠过程中不需要屏幕升降，提高柔性件30的折叠寿命；每一转动轴276上的第一凸轮2710与第二凸轮2720之间的摩擦扭力之和大于柔性件30的反弹力，以使两个侧部支撑件233之间相对定位在特定角度，能使两个框体21限位在70度至130度之间的特定角度。即若柔性件30的反弹力为M0,在一定角度范围内(70°-130°)，确保总摩擦扭力M大于或等于反弹力与悬停安全扭矩增量之和，也就是M≥M0+ΔM，其中ΔM为悬停安全扭矩增量。柔性件30的可折弯区域31弯折围成水滴形，减少弯折后的可折弯区域31的占空比，从而能减小电子设备100的整体厚度。
在对电子设备100的其他折弯方式中，还可以同时对两个框体21施加折弯的力，两个框体21分别带动两个转动机构253向靠近柔性件30的一侧转动，并通过折叠装置22以实现电子设备100的折弯。
当需要展平电子设备100时，向外拉开其中一框体21，使连接于两个框体21上的两个转动机构253朝相互远离的方向转动。具体地，对电子设备100的其中一框体21施加向外拉开的力，所述其中一框体21带动对应的转动机构253相对于定位件251向远离柔性件30的一侧转动，以带动对应的连杆件277沿 转动轴276转动，连杆件277的转动带动对应的第一齿轮2771转动，通过齿轮组合278带动对应的两个第一齿轮2771同步转动，同步转动的第一齿轮2771带动对应的两个连杆件277同步相互远离；同时，连接件256带动侧部支撑件233的第一圆弧轨2335转动地连接于对应的第一圆弧槽2560，侧部支撑件233的导滑部2333滑动并转动地套设在连接轴杆2519上；同时，联动机构275相对两侧的转动机构253相对于定位件251同步转动而相互远离，以带动两个侧部支撑件233同步相互远离而展平，使得折叠装置22展开，柔性件30的可折弯区域31随折叠装置22展开，直至柔性件30展平。
在上述过程中，转动件254远离连接件256的端部逐渐抵推中部支撑件231，使中部支撑件231向远离定位件251移动，直至中部支撑件231与两个侧部支撑件233齐平，中部支撑件231和侧部支撑件233用于支撑可折弯区域31，即柔性件30在展平后，可折弯区域31与中部支撑件231无间隙，能防止柔性件30损坏，提高柔性件30的折叠寿命；每一转动轴276上的第一凸轮2710与第二凸轮2720之间的摩擦扭力之和大于柔性件30的反弹力，以使两个侧部支撑件233之间相对定位在特定角度，能使两个框体21限位在130度至70度之间的特定角度。
在对电子设备100的其他折弯方式中，还可以同时对两个框体21施加向外拉开的力，两个框体21分别带动两个转动机构253相对于向远离柔性件30的一侧转动，并通过折叠装置22以实现电子设备100的展开。
本发明的电子设备100的折叠装置22通过转动组件25及助折组件27实现同步折弯或展开，由于助折组件27的限位机构270的弹性组件273能提供较大的轴向力，使得第一凸轮2710与所述第二凸轮2720之间具有较大的摩擦扭力；因此，由第一凸轮2710与所述第二凸轮2720之间的摩擦扭力形成的折叠装置22的总摩擦扭力足够大，能实现电子设备100弯折限位在70度-130度之间的特定角度，实现整机的悬停功能。另外，折叠装置22的助折组件27与转动组件25之间通过转动轴276与定位件251的连接槽2516固定连接、连杆件277与连接件256之间通过轴杆2777与连杆2773和导滑块2566连接，以及侧部支撑件233的两侧分别与定位件251及连接件256连接，从而使折叠装置22的结构牢固，提升电子设备100的整机强度。
在一些实施例中，每一助折组件27的第二弹性件2733可以省略，此时，第一凸轮2710与第二凸轮2720之间的摩擦扭力大于柔性件30的可折弯区域31的反弹力，以使两个侧部支撑件233相对定位在特定角度。
在一些实施例中，通过修改助折组件27的第一凸轮及第二凸轮的个数以及摩擦件的数量可以适配不同规格和叠层的柔性件。
以上是本申请实施例的实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请实施例原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本申请的保护范围。

Claims (20)

  1. 一种折叠装置，其特征在于，所述折叠装置包括：
    可折弯机构，包括两个侧部支撑件；以及
    转动组件，包括定位件及分别设于所述定位件相对两侧的两个转动机构，所述转动机构的一端转动地连接于所述定位件，所述转动机构远离所述定位件的另一端转动地连接于对应的侧部支撑件，所述侧部支撑件的一侧转动并滑动地连接于所述定位件；当所述转动机构相对于所述定位件转动时，所述转动机构带动所述侧部支撑件相对于所述定位件转动并滑动，以使两个所述侧部支撑件相互折弯或相互展开。
  2. 根据权利要求1所述的折叠装置，其特征在于，所述转动机构包括转动件及连接于所述转动件的连接件，所述转动件远离所述连接件的一端转动地连接于所述定位件，所述侧部支撑件远离所述定位件的一侧转动地连接于所述连接件。
  3. 根据权利要求2所述的折叠装置，其特征在于，所述转动件与所述定位件之间的转动轴心线平行于所述侧部支撑件与所述连接件之间的转动轴心线。
  4. 根据权利要求3所述的折叠装置，其特征在于，所述侧部支撑件设有第一圆弧轨，所述连接件对应所述第一圆弧轨设有第一圆弧槽；或者所述侧部支撑件设有第一圆弧槽，所述连接件对应所述第一圆弧槽设有第一圆弧轨；所述第一圆弧轨的轴心线与所述侧部支撑件与所述连接件之间的转动轴心线共线。
  5. 根据权利要求3所述的折叠装置，其特征在于，所述定位件的侧部设有转接槽，所述转接槽穿通所述定位件的正面，所述转接槽的侧面凸设第二圆弧轨，所述转动件的侧面设有对应所述第二圆弧轨的第二圆弧槽；或者所述转接槽的侧面设有第二圆弧槽，所述转动件的侧面凸设对应所述第二圆弧槽的第二圆弧轨；所述第二圆弧轨的轴心线与所述转动件与所述定位件之间的转动轴心线共线。
  6. 根据权利要求2所述的折叠装置，其特征在于，所述侧部支撑件设有导滑部，所述导滑部设有导滑槽，所述导滑部通过连接轴杆连接于所述定位件，所述连接轴杆插设于所述导滑槽并定位于所述定位件，所述连接轴杆的轴心线平行于所述转动件与所述定位件之间的转动轴心线。
  7. 根据权利要求6所述的折叠装置，其特征在于，所述定位件对应所述导滑部设有收容槽，所述连接轴杆连接于所述收容槽相对的两侧面，所述导滑部滑动并转动地套设于所述连接轴杆上。
  8. 根据权利要求2所述的折叠装置，其特征在于，所述可折弯机构还包括中部支撑件,所述中部支撑件位于两个所述侧部支撑件之间，所述侧部支撑件靠近所述中部支撑件的一侧转动并滑动地连接于所述定位件，所述侧部支撑件远离所述中部支撑件的一侧转动地连接于对应的连接件；当两个所述侧部支撑件与所述中部支撑件呈展平状态时，所述转动件远离所述连接件的端部抵顶所述中部支撑件；当两个所述侧部支撑件与所述中部支撑件呈折弯状态时，所述转动件远离所述连接件的端部解除对所述中部支撑件的抵顶。
  9. 根据权利要求8所述的折叠装置，其特征在于，所述中部支撑件与所述定位件之间设有弹性件，所述弹性件具有带动所述中部支撑件向所述定位件靠近的预弹力。
  10. 根据权利要求9所述的折叠装置，其特征在于，所述中部支撑件与所述定位件之间设有锁接件，所述弹性件位于所述锁接件与所述定位件之间。
  11. 根据权利要求8所述的折叠装置，其特征在于，所述侧部支撑件靠近所述中部支撑件的一侧凸设若干凸耳，在两个所述侧部支撑件与所述中部支撑件呈展平状态时，若干所述凸耳支撑所述中部支撑件。
  12. 根据权利要求2所述的折叠装置，其特征在于，所述折叠装置还包括助折组件，所述助折组件包括联动机构，所述联动机构连接于所述定位件与所述连接件之间，所述转动机构通过所述联动机构相对于所述定位件同步转动。
  13. 根据权利要求12所述的折叠装置，其特征在于，所述助折组件还包括限位机构，所述限位机构包括设于所述联动机构的抵推件、抵持件及弹性件，所述弹性件提供所述抵持件与所述抵推件之间相互抵顶的弹力，所述转动机构通过所述联动机构相对于所述定位件转动，所述抵推件相对于所述抵持件转动，所述弹性件被弹性挤压发生弹性变形，所述抵推件与所述抵持件之间的摩擦阻力能使所述侧部支撑件相对于所述中部支撑件定位在特定角度。
  14. 根据权利要求13所述的折叠装置，其特征在于，所述特定角度的范围为两个所述侧部支撑件之间的夹角在70度-130度。
  15. 根据权利要求13所述的折叠装置，其特征在于，所述抵推件包括第一凸轮，所述抵持件包括第二凸轮， 所述第一凸轮与所述第二凸轮相互可转动抵持。
  16. 根据权利要求15所述的折叠装置，其特征在于，所述折叠装置用于支撑柔性件，所述第一凸轮与所述第二凸轮之间的摩擦扭力大于所述柔性件的反弹力，以使两个所述侧部支撑件之间定位在特定角度。
  17. 根据权利要求13所述的折叠装置，其特征在于，所述限位机构还包括定位件，所述弹性件被挤压在所述定位件与所述抵持件之间，使所述弹性件具有使所述抵持件与所述抵推件相互抵顶的弹力。
  18. 根据权利要求15所述的折叠装置，其特征在于，所述联动机构包括两个转动轴、分别连接于两个所述转动轴的连杆件，以及位于所述连杆件之间的齿轮组合，每一连杆件设有啮合所述齿轮组合的第一齿轮，每一连杆件连接所述抵推件，使所述第一凸轮套设于所述转动轴，所述抵持件包括两个所述第二凸轮，两个所述第二凸轮分别滑动地套设于两个所述转动轴，所述连杆件随所述转动件沿所述转动轴转动以带动所述第一凸轮相对于所述第二凸轮转动。
  19. 一种折叠壳体，其特征在于，所述折叠壳体包括如权利要求1-18任意一项所述的折叠装置及两个框体，所述折叠装置位于两个所述框体之间，两个所述框体分别连接于所述折叠装置的两个所述转动机构，所述框体带动所述转动机构相对于所述定位件转动，所述可折弯机构随所述转动机构及联动机构实现同步折弯或展开。
  20. 一种电子设备，其特征在于，所述电子设备包括柔性件及如权利要求19所述的折叠壳体，所述柔性件设置于所述折叠壳体上，所述柔性件随所述折叠壳体折弯或屏平。
PCT/CN2022/115327 2021-11-29 2022-08-27 折叠装置、折叠壳体及电子设备 WO2023093171A1 (zh)

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