WO2021007750A1 - 折叠装置及电子设备 - Google Patents

折叠装置及电子设备 Download PDF

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Publication number
WO2021007750A1
WO2021007750A1 PCT/CN2019/096011 CN2019096011W WO2021007750A1 WO 2021007750 A1 WO2021007750 A1 WO 2021007750A1 CN 2019096011 W CN2019096011 W CN 2019096011W WO 2021007750 A1 WO2021007750 A1 WO 2021007750A1
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WO
WIPO (PCT)
Prior art keywords
frame
limiting
folding device
link
linkage
Prior art date
Application number
PCT/CN2019/096011
Other languages
English (en)
French (fr)
Inventor
欧阳烁
陈松亚
刘文俊
Original Assignee
深圳市柔宇科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to PCT/CN2019/096011 priority Critical patent/WO2021007750A1/zh
Priority to CN201980090105.1A priority patent/CN113366927A/zh
Priority to CN201980090101.3A priority patent/CN113424248A/zh
Priority to PCT/CN2019/101255 priority patent/WO2021007909A1/zh
Priority to PCT/CN2019/101252 priority patent/WO2021007906A1/zh
Priority to CN201980090075.4A priority patent/CN113366407A/zh
Priority to PCT/CN2019/101258 priority patent/WO2021007912A1/zh
Priority to CN201921350320.4U priority patent/CN211117098U/zh
Priority to CN201980090079.2A priority patent/CN113366555A/zh
Priority to CN201921358861.1U priority patent/CN210839653U/zh
Priority to CN201921340358.3U priority patent/CN211123831U/zh
Priority to PCT/CN2019/101256 priority patent/WO2021007910A1/zh
Priority to CN201921346708.7U priority patent/CN210670152U/zh
Priority to CN201921340329.7U priority patent/CN211370996U/zh
Priority to PCT/CN2019/101251 priority patent/WO2021007905A1/zh
Priority to CN201921346706.8U priority patent/CN210225477U/zh
Priority to PCT/CN2019/101257 priority patent/WO2021007911A1/zh
Priority to PCT/CN2019/101260 priority patent/WO2021007914A1/zh
Priority to CN201980090080.5A priority patent/CN113383289A/zh
Priority to PCT/CN2019/101254 priority patent/WO2021007908A1/zh
Priority to CN201921346709.1U priority patent/CN210839652U/zh
Priority to CN201980090096.6A priority patent/CN113383308A/zh
Priority to CN201980090252.9A priority patent/CN113366230A/zh
Priority to CN201921340487.2U priority patent/CN211370997U/zh
Priority to PCT/CN2019/101259 priority patent/WO2021007913A1/zh
Priority to CN201980090076.9A priority patent/CN113383377A/zh
Priority to CN201921358962.9U priority patent/CN211117099U/zh
Priority to CN201980090070.1A priority patent/CN113383171A/zh
Priority to PCT/CN2019/101253 priority patent/WO2021007907A1/zh
Priority to CN201980090073.5A priority patent/CN113383288A/zh
Priority to CN201980090074.XA priority patent/CN113366406A/zh
Priority to CN201921350294.5U priority patent/CN211370998U/zh
Priority to PCT/CN2019/104429 priority patent/WO2021007936A1/zh
Priority to CN201980090077.3A priority patent/CN113424512A/zh
Priority to CN201921465120.3U priority patent/CN212899350U/zh
Priority to CN201911009129.8A priority patent/CN112235439A/zh
Priority to CN201921780752.9U priority patent/CN211778479U/zh
Priority to CN201911008935.3A priority patent/CN112228446A/zh
Priority to CN201911004576.4A priority patent/CN112228445A/zh
Priority to PCT/CN2019/112388 priority patent/WO2021007978A1/zh
Priority to CN201980090078.8A priority patent/CN113383378A/zh
Priority to CN201911029167.XA priority patent/CN112230714A/zh
Priority to CN201911022013.8A priority patent/CN112230713A/zh
Priority to CN201911124278.9A priority patent/CN112235440A/zh
Priority to CN201911256595.6A priority patent/CN112233549A/zh
Priority to CN202010221982.2A priority patent/CN111833730A/zh
Priority to PCT/CN2020/081100 priority patent/WO2020211608A1/zh
Priority to CN202010220963.8A priority patent/CN111833729A/zh
Priority to CN202080010605.2A priority patent/CN113366408A/zh
Priority to CN202010216918.5A priority patent/CN111835895B/zh
Priority to CN202010370735.9A priority patent/CN112233550A/zh
Priority to CN202021211030.4U priority patent/CN213744464U/zh
Priority to CN202010595165.3A priority patent/CN112392851B/zh
Priority to CN202021229818.8U priority patent/CN213586493U/zh
Priority to US16/929,587 priority patent/US11372453B2/en
Priority to CN202010875620.5A priority patent/CN112449525B/zh
Priority to CN202010893249.5A priority patent/CN112443565A/zh
Priority to CN202010893500.8A priority patent/CN112447107A/zh
Priority to CN202011200387.7A priority patent/CN113446303A/zh
Publication of WO2021007750A1 publication Critical patent/WO2021007750A1/zh
Priority to US17/210,999 priority patent/US20210307185A1/en
Priority to US17/211,233 priority patent/US20210303033A1/en
Priority to US17/211,106 priority patent/US20210307186A1/en
Priority to US17/210,971 priority patent/US20210307181A1/en
Priority to US17/211,031 priority patent/US20210303032A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/10—Arrangements for locking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges

Definitions

  • the present invention relates to the field of electronic technology, in particular to a folding device and electronic equipment.
  • Folding electronic equipment usually includes a folding device and a flexible screen, and the folding device is used to support and protect the flexible screen.
  • the transmission accuracy of the folding device is not high.
  • An embodiment of the present invention provides a folding device that includes a first frame, a second frame, and a linkage connecting the first frame and the second frame; the first frame And the second frame are relatively folded under the cooperation of the linkage; the folding device further includes a first link and a second link, the first link is slidably connected to the first frame and Between the linkage members, the second linkage is slidably connected between the second frame and the linkage; when the first frame and the second frame are fully folded or fully unfolded , The first connecting rod and the second connecting rod are respectively restricted and locked.
  • the folding device provided by the embodiment of the present invention provides a linkage between the first frame and the second frame, so that the first frame and the second frame can be folded relative to each other through the linkage, and the first frame
  • a first connecting rod is slidably connected to the linkage
  • a second connecting rod is slidably connected between the second frame and the linkage.
  • An embodiment of the present invention also provides an electronic device, the electronic device includes a flexible screen and the folding device provided in any of the above embodiments, the flexible screen is simultaneously covered with the first frame and the second frame, The first frame and the second frame jointly support the flexible screen.
  • Fig. 1 is a schematic diagram of an exploded structure of a folding device for supporting a flexible screen provided by an embodiment of the present invention.
  • Fig. 2 is a schematic structural diagram of the folding device provided by an embodiment of the present invention in a fully unfolded state.
  • Fig. 3 is a schematic structural diagram of the folding device provided by the embodiment of the present invention in a partially folded state.
  • Fig. 4 is a schematic structural diagram of the folding device provided by the embodiment of the present invention in a fully folded state.
  • Fig. 5 is a schematic structural diagram of a first folding device provided by an embodiment of the present invention.
  • Fig. 6 is a schematic structural diagram of a second folding device provided by an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a partial enlarged view of area P in FIG. 6.
  • Fig. 8 is a schematic structural diagram of a third folding device provided by an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a partial enlarged view of area Q in FIG. 8.
  • Fig. 10 is a schematic structural diagram of a fourth folding device provided by an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a partial enlarged view of the area M in FIG. 10.
  • Fig. 12 is a schematic structural diagram of assembling a rod body and a limiting mechanism according to an embodiment of the present invention.
  • Fig. 13 is a schematic structural diagram of a fifth folding device provided by an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of a partial enlarged view of area N in FIG. 13.
  • Fig. 15 is a schematic structural diagram of a sixth folding device provided by an embodiment of the present invention.
  • FIG. 16 is a schematic structural diagram of a partial enlarged view of area R in FIG. 15.
  • Fig. 17 is a schematic structural diagram of a seventh folding device provided by an embodiment of the present invention.
  • FIG. 18 is a schematic structural diagram of a partial enlarged view of area L in FIG. 17.
  • Figure 19 is a schematic structural diagram of an eighth folding device provided by an embodiment of the present invention.
  • FIG. 20 is a schematic structural diagram of a partial enlarged view of the area W in FIG. 19.
  • Fig. 21 is a schematic structural diagram of a ninth folding device provided by an embodiment of the present invention.
  • FIG. 22 is a schematic structural diagram of a partial enlarged view of area X in FIG. 21.
  • Fig. 23 is a schematic structural diagram of a tenth folding device provided by an embodiment of the present invention.
  • FIG. 24 is a schematic structural diagram of a partial enlarged view of area Y in FIG. 23.
  • FIG. 25 is a schematic diagram of the structure of the protrusion and the rod body provided by the embodiment of the present invention in cooperation with each other.
  • Fig. 26 is a schematic structural diagram of an eleventh folding device provided by an embodiment of the present invention.
  • Fig. 27 is a schematic structural diagram of a twelfth type of folding device provided by an embodiment of the present invention.
  • FIG. 28 is a schematic structural diagram of an electronic device provided by an embodiment of the present invention.
  • the folding device 10 provided by the embodiment of the present application includes a first frame 100, a second frame 200, and a connection between the first frame 100 and the The linkage member 300 of the second frame body 200; the first frame body 100 and the second frame body 200 are relatively folded under the cooperation of the linkage member 300; the folding device 10 further includes a first linkage 410 and The second link 420, the first link 410 is slidably connected between the first frame 100 and the linkage 300, and the second link 420 is slidably connected to the second frame 200 and Between the linkages 300; when the first frame 100 and the second frame 200 are fully folded or fully unfolded, the first link 410 and the second link 420 are respectively restricted Locked.
  • the folding device 10 is used to support the flexible screen 20.
  • the flexible screen 20 includes a first part 21, a bending part 23, and a second part 22 connected in sequence.
  • the first frame 100 is used to support the first part 21, the second frame 200 is used to support the second part 22, and the linkage 300 is used to The bending portion 23 is forced to undergo bending deformation.
  • first frame 100 and the linkage 300 are rotationally connected, and the second frame 200 and the linkage 300 are also rotationally connected.
  • the first frame 100 and the second frame 200 are formed by the linkage 300 Mutual folding or unfolding.
  • a first connecting rod 410 is connected between the first frame 100 and the linkage 300, the first end 411 of the first connecting rod 410 is rotatably connected to the first frame 100, and the second end 412 of the first connecting rod 410 is slidably connected
  • the linkage member 300 when the first frame 100 is folded or unfolded relative to the linkage member 300, the first end 411 of the first link 410 rotates relative to the first frame 100, and the first link 410 Relative sliding and rotation are formed between the second end 412 and the linkage member 300, and the second end 412 of the first link 410 can be restricted and locked by the linkage member 300, so that the first frame 100 and the linkage member 300 Limit the relative position between.
  • a second link 420 is connected between the second frame 200 and the linkage 300, the third end 421 of the second link 420 is rotatably connected to the second frame 200, and the fourth end 422 of the second link 420 is slidably connected
  • the linkage 300 when the second frame 200 is folded or unfolded relative to the linkage 300, the third end 421 of the second link 420 rotates relative to the second frame 200, and the second link 420
  • the fourth end 422 and the linkage member 300 form a relative sliding and rotation, and the fourth end 422 of the second link 420 can be locked and locked by the linkage member 300, so that the second frame 200 and the linkage member 300 Limit the relative position between.
  • the folding device 10 provided by the embodiment of the present invention provides a linkage 300 between the first frame 100 and the second frame 200, so that the first frame 100 and the second frame 200 can be folded relative to each other through the linkage 300 , And a first link 410 slidably connected between the first frame 100 and the linkage 300, and a second link 420 slidably connected between the second frame 200 and the linkage 300.
  • the first link 410 and the second link 420 can be respectively restricted and locked, so that the first frame 100 and the second frame can be locked.
  • the body 200 is in a fully folded or fully unfolded state to limit the position, which helps to improve the transmission accuracy of the folding device 10 when it is folded or unfolded.
  • the first frame body 100 and the second frame body 200 are rotated through the linkage 300, which has fewer transmission links and higher transmission efficiency.
  • the first frame 100 is provided with a first chute 130 having a first limiting wall 110 and a second limiting wall 120
  • the second frame 200 is provided with a third limiting wall.
  • the second sliding groove 230 of the wall 210 and the fourth limiting wall 220; the first connecting rod 410 and the second connecting rod 420 are respectively rotatably connected to the linkage 300; the first connecting rod 410 and the The second connecting rod 420 is slidably connected to the first frame 100 and the second frame 200 in the first sliding groove 130 and the second sliding groove 230, respectively;
  • the first connecting rod 410 and the second connecting rod 420 are respectively restricted and locked on the first restricting wall 110 And the third limiting wall 210; when the first frame 100 and the second frame 200 are fully expanded, the first link 410 and the second link 420 are respectively limited and locked in The second limiting wall 120 and the fourth limiting wall 220.
  • the first limiting wall 110 and the second limiting wall 120 are part of the structure forming the first chute 130, and the third limiting wall 210 and the fourth limiting wall 220
  • the first connecting rod 410 and the second connecting rod 420 are respectively rotated and slidably connected to the linkage member 300, and the first connecting rod 410 can be opposed to each other in the first sliding groove 130
  • the first frame 100 slides, and the second link 420 can slide relative to the second frame 200 in the second sliding groove 230.
  • the first link 410 is limited and locked to the first limiting wall 110
  • the second link 420 is limited and locked to the first limiting wall.
  • first link 410 is limited and locked to the second limiting wall 120
  • second link 420 is limited and locked to the first Four limit walls 220. That is, the first connecting rod 410 can slide reciprocally in the first sliding groove 130 of the first frame 100 and can be restricted and locked by the first restriction wall 110 and the second restriction wall 120.
  • the second connecting rod 420 can slide back and forth in the second sliding groove 230 of the second frame 200 and can be restricted and locked by the third restriction wall 210 and the fourth restriction wall 220.
  • the first link 410 and the second link 420 are respectively rotatably connected to the first frame 100 and the second frame 200;
  • the linkage 300 is provided There is a third chute 330 with a fifth limit wall 310 and a sixth limit wall 320, and a fourth chute 360 with a seventh limit wall 340 and an eighth limit wall 350;
  • the first The connecting rod 410 and the second connecting rod 420 are slidably connected with respect to the linkage 300 in the third sliding groove 330 and the fourth sliding groove 360, respectively;
  • the fifth limiting wall 310, the first The sixth limit wall 320, the seventh limit wall 340, and the eighth limit wall 350 are all spiral ring surfaces.
  • the fifth limiting wall 310 and the sixth limiting wall 320 are part of the structure forming the third sliding groove 330, and the seventh limiting wall 340 and the eighth limiting wall 350
  • the first link 410 is rotatably connected to the first frame 100
  • the second link 420 is rotatably connected to the second frame 200
  • the first link 410 It can slide and rotate relative to the linkage 300 in the third sliding groove 330 of the linkage 300
  • the second link 420 can slide and rotate relative to the linkage 300 in the fourth sliding groove 360 of the linkage 300.
  • the first connecting rod 410 can slide back and forth in the third sliding groove 330 of the linkage 300, and can be restricted and locked by the fifth restricting wall 310 and the sixth restricting wall 320.
  • the second connecting rod 420 can slide back and forth in the fourth sliding groove 360 of the linkage 300 and can be restricted and locked by the seventh limit wall 340 and the eighth limit wall 350.
  • the movement relationship between the first link 410 and the linkage 300 is sliding and rotating, that is, the first link 410 can slide and rotate relative to the linkage 300 in the third sliding groove 330 of the linkage 300
  • the movement relationship between the second link 420 and the linkage 300 is sliding and rotating, that is, the second link 420 can slide and rotate relative to the linkage 300 in the fourth sliding groove 360 of the linkage 300, therefore,
  • the fifth limit wall 310, the sixth limit wall 320, the seventh limit wall 340, and the eighth limit wall 350 are arranged as spiral ring surfaces, so that the first connecting rod 410 can be positioned relative to the linkage 300 During the sliding and rotating process, the cooperation with the linkage 300 is relatively smooth, and the second link 420 can be relatively smooth with the linkage 300 during the sliding and rotating relative to the linkage 300, which avoids The first connecting rod 410 and the second connecting rod 420 and the linkage 300 are stuck or not moving smoothly.
  • the third sliding groove 330 forms a first spiral surface, and the rotation angle of the fifth limiting wall 310 relative to the sixth limiting wall 320 is approximately 90 degrees; the fourth sliding groove 360 A second spiral surface is formed, and the rotation angle of the seventh limiting wall 340 relative to the eighth limiting wall 350 is approximately 90 degrees.
  • the rotation angle between the fifth limit wall 310 and the sixth limit wall 320 is 90 degrees
  • the rotation angle between the seventh limit wall 340 and the eighth limit wall 350 is also 90 degrees
  • the fifth limit wall 310 can be regarded as the sixth limit wall 320 rotated 90 degrees clockwise or counterclockwise
  • the seventh limit wall 340 can be regarded as the eighth limit wall 350 clockwise or counterclockwise. Obtained after rotating 90 degrees.
  • the rotation angle of the first frame 100 relative to the linkage 300 can be limited to 90 degrees
  • the rotation angle of the second frame 200 relative to the linkage 300 can be limited to 90 degrees.
  • first frame 100 When the first frame 100 is fully unfolded relative to the second frame 200, a 180-degree angle is formed between the first frame 100 and the second frame 200, so that the folding device 10 can be completely flattened; when the folding device 10 is used for supporting The flexible screen 20 is helpful to improve the display effect.
  • a 0 degree angle is formed between the first frame 100 and the second frame 200, which can make the first frame 100 and the second frame 200 fit completely , So that the folding device 10 is completely fit, which helps to reduce the volume occupied by the folding device 10.
  • the folding device 10 further includes a first limiting mechanism 510 and a second limiting mechanism 520 arranged around the third sliding groove 330 and the fourth sliding groove 360 respectively ;
  • the first limiting mechanism 510 is provided with a first rotating connecting portion 511, and the first connecting rod 410 is provided with the first rotating connecting portion 511 to cooperate with the first rotating connecting portion 511 and can rotate relative to the first limiting mechanism 510
  • the first rotating connection fitting portion 411; the first limit mechanism 510 drives the first link 410 to slide in the third sliding groove 330; when the first frame 100 and the second frame The body 200 is fully expanded, and the first limiting mechanism 510 is limited and locked to the fifth limiting wall 310; when the first frame 100 and the second frame 200 are completely bent, the The first limiting mechanism 510 is locked on the sixth limiting wall 320;
  • the second limiting mechanism 520 is provided with a second rotating connecting portion 521, and the second connecting rod 420 is provided with the second rotating connecting portion 521 to cooperate with the second rotating connecting portion 521 and relatively rotatable relative to the second limiting mechanism 520
  • the second rotating connection and mating portion 421; the second limiting mechanism 520 drives the second link 420 to slide in the fourth sliding groove 340; when the first frame 100 and the second frame The body 200 is fully expanded, and the second limiting mechanism 520 is limited and locked on the seventh limiting wall 340; when the first frame 100 and the second frame 200 are completely bent, the The second limiting mechanism 520 is locked on the eighth limiting wall 350.
  • the first rotation connection portion 511 may be a first rotation shaft
  • the second rotation connection portion 521 may be a second rotation shaft
  • the first rotation connection matching portion 411 may be a first limit matching hole
  • the mating portion 421 may be a second position-limiting mating hole.
  • the first rotation connecting portion 511 can be restricted by the first limit fitting hole, and the first rotation connecting portion 511 and the first limit fitting hole are rotationally connected.
  • the second rotation connecting portion 521 can be restricted by the second limit matching hole, and the second rotation connecting portion 521 and the second limit matching hole are rotationally connected.
  • the first limiting mechanism 510 can slide in the third sliding groove 330 of the linkage 300 under the driving of the first link 410. At the same time, the first limiting mechanism 510 is still facing relative to the linkage 300 while sliding. The linkage 300 rotates, and the first limiting mechanism 510 is limited in the third sliding groove 330.
  • the first limiting mechanism 510 is limited and locked to the fifth limiting wall 310; when the first frame 100 is fully folded relative to the second frame 200 , The first limiting mechanism 510 is limited and locked to the sixth limiting wall 320.
  • both ends of the first limiting mechanism 510 are both spiral surfaces, and the fifth limiting wall 310 and the sixth limiting wall 320 are both spiral surfaces.
  • the spiral surface of the first limiting mechanism 510 can completely fit the spiral surface of the fifth limiting wall 310; when the first limiting mechanism 510 is limited and locked to the sixth limiting wall 320 , The spiral surface of the first limiting mechanism 510 can be completely attached to the spiral surface of the sixth limiting wall 320, so that the limiting accuracy of the first limiting mechanism 510 can be improved.
  • the second limiting mechanism 520 can slide in the fourth chute 360 of the linkage 300 under the driving of the second link 420. At the same time, the second limiting mechanism 520 is still facing relative to the linkage 300 while sliding The linkage 300 rotates, and the second limiting mechanism 520 is limited in the fourth sliding groove 360.
  • the second limiting mechanism 520 is limited and locked to the seventh limiting wall 340; when the first frame 100 is fully folded relative to the second frame 200 , The second limiting mechanism 520 is limited and locked to the eighth limiting wall 350.
  • both ends of the second limiting mechanism 520 are spiral surfaces, and the seventh limiting wall 340 and the eighth limiting wall 350 are both spiral surfaces.
  • the spiral surface of the second limiting mechanism 520 can completely fit the spiral surface of the seventh limiting wall 340; when the second limiting mechanism 520 is limited and locked to the eighth limiting wall 350 , The spiral surface of the second limiting mechanism 520 can be completely attached to the spiral surface of the eighth limiting wall 350, so that the limiting accuracy of the second limiting mechanism 520 can be improved.
  • the linkage member 300 includes a first transmission member 610 and a second transmission member 650; the first transmission member 610 includes a first gear 620, and the second transmission member 650 includes a second transmission member.
  • Gear 660, the first gear 620 and the second gear 660 form a mesh, so that the first frame 100 and the second frame 200 rotate in opposite directions and symmetrically; the first transmission member 610 also It includes a first rod 630 and a second rod 640 extending from the first gear 620.
  • the second transmission member 650 also includes a third rod 670 and a fourth rod extending from the second gear 660. 680.
  • the first rod 630 is slidably connected to the first frame 100
  • the second rod 640 is movably connected to the linkage 300
  • the third rod 670 is connected to the second frame.
  • the first gear 620 and the second gear 660 form a direct contact type meshing fit.
  • the first gear 620 rotates in the first direction and the second gear 660 rotates in the second direction
  • the first frame The 100 and the second frame 200 rotate symmetrically in opposite directions to form a fully folded state.
  • the first gear 620 rotates in the second direction and the second gear 660 rotates in the first direction
  • the first frame body 100 and the second frame body 200 can rotate in opposite directions and symmetrically to form a completely unfolded state.
  • the first direction may be a clockwise direction, and in this case, the second direction is a counterclockwise direction.
  • the first direction may be a counterclockwise direction, and in this case, the second direction is a clockwise direction.
  • the first rod 630 is slidably connected to the first frame 100, and the second rod 640 is movably connected to the linkage 300.
  • the third rod 670 is slidably connected to the second frame 200, and the fourth rod 680 is movably connected to the linkage 300.
  • the first rod body 630 and the second rod body 640 may be integrally provided with the first gear 620. That is, the first rod body 630, the second rod body 640, and the first gear 620 are formed together in the same processing process.
  • the third rod body 670 and the fourth rod body 680 may be integrated with the second gear 660. That is, the third rod body 670, the fourth rod body 680, and the second gear 660 are formed together in the same processing process.
  • first rod body 630, the second rod body 640, the third rod body 670, the fourth rod body 680, the first gear 620 and the second gear 660 are all independently formed, and then the first rod body 630 and The second rod 640 is fixed to the first gear 620, and the third rod 670 and the fourth rod 680 are fixed to the second gear 660.
  • extension direction of the first rod body 630 and the extension direction of the second rod body 640 remain perpendicular
  • extension direction of the third rod body 670 and the extension direction of the fourth rod body 680 remain perpendicular.
  • the extension direction of the second rod body 640 is consistent with the direction of the rotation axis of the first gear 620
  • the extension direction of the fourth rod body 680 is consistent with the direction of the rotation axis of the second gear 660.
  • the extension direction of the first rod body 630 is maintained perpendicular to the direction of the rotation axis of the first gear 620
  • the extension direction of the third rod body 670 is maintained perpendicular to the direction of the rotation axis of the second gear 660.
  • the direction of the rotation axis of the first gear 620 and the direction of the rotation axis of the second gear 660 remain parallel. At this time, the relative folding or relative unfolding movement between the first frame body 100 and the second frame body 200 can be made smoother, and the problems of jamming in dead corners or unsmoothness can be avoided.
  • a first protrusion 511 is provided on the inner wall of the first limiting mechanism 510, and a first protrusion 511 is provided on the inner wall of the second limiting mechanism 520.
  • the first protrusion 511 can slide in the first spiral groove 641
  • the fourth rod 680 is partially received in the second limiting mechanism 520
  • the second protrusion 522 can be Sliding in the second spiral groove 681
  • the first spiral groove 641 is used to guide and limit the first protrusion 511, thereby causing the second rod 640 to rotate relative to the linkage 300
  • the second The spiral groove 681 is used to guide and limit the second protrusion 522, so that the fourth rod 680 rotates relative to the linkage 300.
  • the rotation directions of the first spiral groove 641 and the second spiral groove 681 are opposite. And the distance between the limit start point and the limit end of the first spiral groove 641 is a quarter of the pitch. The limit start point and the limit end point of the second spiral groove 681 are a quarter pitch.
  • the first frame body 100 is convexly provided with a first limiting hole 100a
  • the second frame body 200 is convexly formed with a second limiting hole 200a
  • the first rod body 630 can Sliding in the first limiting hole 100a toward or away from the first frame 100
  • the third rod 670 can move closer to or away from the second frame in the second limiting hole 200a.
  • the frame 200 slides in the direction.
  • the shape of the first limiting hole 100a is any one of a circle, a square, a triangle, and a spline shape
  • the shape of the second limiting hole 200a is a circle, a square, a triangle, or a spline shape. Any of them.
  • the first limiting hole 100 a has a limiting effect on the first rod 630
  • the second limiting hole 200 a has a limiting effect on the third rod 670.
  • the first rod 630 is restricted and locked at the first preset position of the first restriction hole 100a, and the second rod 640 is restricted Locked at the second preset position of the second limiting hole 200a; when the first frame 100 and the second frame 200 are in a fully expanded state, the first rod 630 is limited and locked to the first limiting hole The third preset position of 100a; the second rod 640 is restricted and locked at the fourth preset position of the second restricting hole 200a.
  • the first rod 630 slides in the first limiting hole 100a from away from the first frame 100 to close to the first frame.
  • the second rod 640 slides from a distance away from the second frame 200 to a state close to the second frame 200 in the second limiting hole 200a. And when the first frame 100 and the second frame 200 are in a fully folded state, the first rod 630 is restricted and locked at the fifth preset position of the first restriction hole 100a, and the second rod 640 is restricted Locked at the sixth preset position of the second limiting hole 200a; when the first frame 100 and the second frame 200 are in a fully expanded state, the first rod 630 is limited and locked to the first limiting hole The seventh preset position of 100a; the second rod 640 is restricted and locked at the eighth preset position of the second restricting hole 200a.
  • the linkage 300 also includes a support 350, the support 350 is provided with a first mounting hole 351 and a second mounting hole 352, the second rod 640 and the fourth The rod body 680 is installed in the first installation hole 351 and the second installation hole 352, respectively; the first installation hole 351 and the second installation hole 352 are respectively cut out of the spiral-shaped first cylindrical cross-sectional space 353 And the second cylindrical cross-sectional space 354, the second rod 640 and the fourth rod 680 are respectively placed in the first cylindrical cross-sectional space 353 and the second cylindrical cross-sectional space 354; the second rod 640, The cut surfaces of the first cylindrical cross-sectional space 353 collectively enclose the third sliding groove 330; the cut surfaces of the fourth rod 680 and the second cylindrical cross-sectional space 354 collectively enclose the fourth sliding groove 360.
  • the supporting member 350 has first mounting holes 351 and second mounting holes 352 spaced apart.
  • the first mounting holes 351 cut out the spiral first cylindrical cross-sectional space 353, and the second mounting holes 352 cut out the spiral shape.
  • the second cylindrical cross-sectional space 354, the second rod 640 is received in the first cylindrical cross-sectional space 353, and is rotatable relative to the support 350 in the first cylindrical cross-sectional space 353, and the fourth rod 680 is received in the second cylindrical cross-sectional space 353 In the space 354, and can rotate relative to the support 350 in the second cylindrical cross-sectional space 354, the spiral cut surface of the first cylindrical cross-sectional space 353 and the second rod 640 surround the third sliding groove 330, and the second cylindrical cross-section The spiral cut surface of the space 354 and the fourth rod 680 surround the fourth chute 360.
  • the second rod 640 can rotate relative to the support 350 in the first mounting hole 351, and the fourth rod 680 can rotate relative to the support 350 in the second mounting hole 352.
  • first limiting mechanism 510 is sleeved on the second rod 640
  • second limiting mechanism 520 is sleeved on the fourth rod 680
  • first limiting mechanism 510 is limited and locked in the third sliding groove 330
  • second limiting mechanism 520 is limited and locked in the fourth sliding groove 360.
  • the first limiting mechanism 510 and the second rod body 640 maintain synchronous rotation
  • the second limiting mechanism 520 and the fourth rod body 680 maintain synchronous rotation.
  • the first limiting mechanism 510 has a first spiral surface 511 and a second spiral surface 512 opposed to each other, and the second limiting mechanism 520 has a third spiral surface 521 opposed to each other. And the fourth spiral surface 522.
  • the first spiral surface 511 is attached to the fifth limiting wall 310, and the third spiral surface 521 is attached to the seventh Limiting wall 340; when the folding device 10 is fully flattened, the second spiral surface 512 is attached to the sixth limiting wall 320, and the fourth spiral surface 522 is attached to the eighth limit The wall 350.
  • the connection has a sliding connection, and the rotation connection and the sliding connection are kept in sync. Therefore, in this embodiment, in order to make the movement between the first limit mechanism 510 and the linkage 300 smoother, and to make the movement between the second limit mechanism 520 and the linkage 300 smoother, the fifth limit The position wall 310, the sixth limit wall 320, the seventh limit wall 340, and the eighth limit wall 350 are all configured as spiral surfaces.
  • first limiting mechanism 510 has a first spiral surface 511 and a second spiral surface 512 opposed to each other
  • the second limiting mechanism 520 has a third spiral surface 521 and a fourth spiral surface 522 opposed to each other.
  • first frame 100 is opposed to When the second frame 200 is completely folded, the first spiral surface 511 is attached to the spiral surface of the fifth limiting wall 310, and the third spiral surface 521 is attached to the spiral surface of the seventh limiting wall 340.
  • the second spiral surface 512 is attached to the spiral surface of the sixth limiting wall 320, and the fourth spiral surface 522 is attached to the spiral surface of the eighth limiting wall 350. surface.
  • the movement between the first limiting mechanism 510 and the linkage 300 can be made smoother, and the second limiting mechanism 520 and the linkage can be made smoother.
  • the movement between the pieces 300 is smoother, and the positioning accuracy of the folding device 10 is improved through the attachment of the spiral surface to the spiral surface.
  • spiral directions of the first spiral surface 511 and the second spiral surface 512 are the same, and the spiral directions of the third spiral surface 521 and the fourth spiral surface 522 are the same.
  • the folding device 10 can be in a fully folded or fully unfolded state, and there is a gap between the first limiting mechanism 510 and the linkage 300
  • the spiral surface fits the limit, and the second limit mechanism 520 and the linkage 300 are also spiral fit the limit, which can make the limit more stable and will not affect the first frame 100 and the second frame 200.
  • the relative rotation therebetween generates interference, which can make the rotation of the folding device 10 smoother on the premise of realizing the restriction of the folding device 10.
  • the folding device 10 further includes a rack 690, the rack 690 is located between the first gear 620 and the second gear 660, and the rack 690 and The first gear 620 and the second gear 660 form a fit, and the rack 690 is slidably connected to the linkage 300.
  • the first gear 620 and the second gear 660 are indirectly matched, a rack 690 is provided between the first gear 620 and the second gear 660, and the rack 690 is connected to the first gear 620 and the second gear 620, respectively.
  • the two gears 660 form a match, and the rack 690 is slidably connected to the linkage member 300 and can be closer to or away from the linkage member 300.
  • the rack 690 slides in the direction close to the linkage 300, the first gear 620 rotates in the first direction, and the second gear 660 rotates in the second direction, so that the first frame 100 and the second frame 200 are close to each other. Fully folded state.
  • the linkage member 300 has a first protrusion 360 and a second protrusion 370 spaced apart, and a mounting groove is formed between the first protrusion 360 and the second protrusion 370 365, the first gear 620, the second gear 660, and the rack 690 are located in the mounting groove 365, the first protrusion 360 has a first limiting groove 360a, and the second protrusion 370 has a second limiting groove 370a, the opposite ends of the rack 690 have a first extension 691 and a second extension 692 respectively, and the first extension 691 is received in the first limiting groove 360a , And can slide in the first limiting groove 360a, the second extension 692 is received in the second limiting groove 370a, and can slide in the second limiting groove 370a.
  • a mounting groove 365 is formed between the first projection 360 and the second projection 370, and the mounting groove 365 is used for mounting the first gear 620, the second gear 660, and the first gear 620 and the second gear.
  • Rack 690 between 660.
  • the first protrusion 360 also has a first limiting groove 360a
  • the second protrusion 370 also has a second limiting groove 370a.
  • the opposite ends of the rack 690 have a first extension 691 and a second extension 692, respectively.
  • the first extension 691 is located in the first limiting groove 360a, and can move in the direction away from or close to the linkage 300 in the first limiting groove 360a
  • the second extension 692 is located in the second limiting groove 370a.
  • the first extension portion 691 moves in the first limiting groove 360a toward the direction close to the linkage 300, and the second extension portion 692 is in the second limiting groove 360a.
  • the inside of 370a moves toward the direction close to the linkage 300.
  • the first extension 691 abuts one end of the first limiting groove 360a, and the second extension 692 abuts the second One end of the limit slot 370a.
  • the first extension 691 abuts the other end of the first limiting groove 360a
  • the second extension 692 abuts the second The other end of the limiting slot 370a.
  • the limiting movement of the first extension portion 691 of the rack 690 in the first limiting groove 360a the limiting movement of the second extension portion 692 of the rack 690 in the second limiting groove 370a can affect the first frame
  • the relative folding or relative unfolding movement position between the body 100 and the second frame 200 is restricted, so that the folding device 10 can be completely flattened or completely folded.
  • the first protrusion 360 has a first mating hole 361 and a second mating hole 362.
  • the first mating hole 361 is used to receive part of the second rod body 640.
  • the second mating The hole 362 is used to receive part of the fourth rod 680, and the first distance between the first matching hole 361 and the first limiting groove 360a is equal to the second matching hole 362 and the first limiting groove 360a The second distance between.
  • the second protrusion 370 has a third mating hole (not shown in the figure) and a fourth mating hole (not shown in the figure), the first mating hole 361 is facing the third mating hole, and the fourth mating hole is facing To the second mating hole 362.
  • the first matching hole 361 is used for partially receiving the second rod 640, and the third matching hole is used for partially receiving the second rod 640.
  • the second matching hole 362 is used for partially receiving the fourth rod 680, and the fourth matching hole is used for partially receiving the fourth rod 680.
  • the first matching hole 361 and the third matching hole cooperate with each other to limit the second rod 640, and the second matching hole 362 and the fourth matching hole cooperate with each other to limit the fourth rod 680.
  • the structure of the folding device 10 can be symmetrically arranged, thereby making the first frame 100
  • the relative rotation with the second frame 200 is smoother.
  • the surface of the linkage 300 away from the folding direction of the first frame 100 and the second frame 200 is an arc-shaped surface S
  • the first matching hole 361 is The maximum distance of the arc-shaped surface S in the thickness direction of the folding device 10 is a fifth distance, and the radius of the arc-shaped surface S is the sum of the fifth distance and the first distance.
  • the folding device 10 also includes a first slider 710 and a second slider 720, the first slider 710 is slidably connected between the first frame 100 and the linkage 300 , The second sliding block 720 is slidably connected between the second frame 200 and the linkage 300.
  • the first frame 100 is folded relative to the second frame 200, the first frame
  • the sliding block 710 and the second sliding block 720 cooperate with each other to compensate the folding radius of the folding device 10.
  • the first sliding block 710 moves in a direction close to the linkage 300 until it resists With respect to the linkage member 300
  • the second sliding block 720 moves in a direction approaching the linkage member 300 until it resists the linkage member 300.
  • the first slider 710 moves in a direction close to the first frame body 100 until When resisting the first frame 100, the second sliding block 720 moves toward the direction approaching the second frame 200 until it resists the second frame 200.
  • the linkage 300 is a physical structure, the position will not change with the sliding of the first slider 710 and the second slider 720.
  • the folding device 10 changes from a fully flattened state to a fully folded state, the first frame 100 and The distance between the second frame 200 will change. For this reason, the first slider 710 and the second slider 720 are added to compensate for the difference in length between the first frame 100 and the second frame 200 during the relative folding process.
  • the structure of the folding device 10 during the folding or unfolding process can be made more stable.
  • the folding device 10 further includes a third link 430 and a fourth link 440.
  • the first link 410 and the third link 430 are arranged opposite to each other.
  • the fourth link 440 is disposed oppositely; the third link 430 is slidably connected between the first frame 100 and the linkage 300, and the fourth link 440 is slidably connected to the second frame Body 200 and the linkage member 300; when the first frame body 100 and the second frame body 200 are fully folded or fully unfolded, the third link 430 and the fourth link 440 are respectively Locked by limit.
  • the third link 430 and the first link 410 are spaced apart, the fourth link 440 and the second link 420 are spaced apart, and the first link 410 faces the second link 420, and the first link 410 Mutually cooperate with the second link 420 to make the first frame 100 and the second frame 200 relatively rotate, the third link 430 is directly opposite to the fourth link 440, and the third link 430 and the fourth link 440 They cooperate with each other to make the first frame 100 and the second frame 200 relatively rotate.
  • the relative rotation between the first frame 100 and the second frame 200 can be made more stable, thereby This makes the structure of the folding device 10 more stable during the folding or unfolding process.
  • the folding device 10 adopts a completely symmetrical structure arrangement, including at least two symmetry axes. Through the symmetrical structure arrangement, the folding device 10 can reduce the mutual interference between components during the folding or unfolding process, thereby making The folding or unfolding process of the folding device 10 is relatively smooth.
  • the electronic device 1 includes a flexible screen 20 and the folding device 10 provided in any of the above embodiments.
  • the flexible screen 20 is simultaneously covered with the first frame 100 and the second frame 200 , The first frame 100 and the second frame 200 jointly support the flexible screen 20.
  • the electronic device 1 may be any device with a display function.
  • tablet computers mobile phones, e-readers, remote controls, personal computers (PC), notebook computers, in-vehicle devices, Internet TVs, wearable devices and other smart devices with display functions.
  • PC personal computers
  • the flexible screen 20 may be, but is not limited to, an Organic Light-Emitting Diode (OLED).
  • OLED Organic Light-Emitting Diode
  • the flexible screen 20 has the characteristics of low power consumption, bendable, and foldable.
  • the flexible screen 20 includes a first part 21, a second part 22 and a bent part 23 located between the first part 21 and the second part 22.
  • the first frame body 100 is used to carry the first part 21; the second frame body 200 is used to carry the second part 22.
  • the linkage 300 rotatably connects the first frame 100 and the second frame 200 so that the first frame 100 can be turned relative to the second frame 200 and drives the bending portion 23 to bend.

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Abstract

一种折叠装置(10)包括第一框体(100)、第二框体(200)、以及连接第一框体(100)和第二框体(200)的联动件(300)。第一框体(100)和第二框体(200)在联动件(300)的配合下相对折叠。折叠装置(10)还包括第一连杆(410)和第二连杆(420)。第一连杆(410)滑动连接于第一框体(100)与联动件(300)之间。第二连杆(420)滑动连接于第二框体(200)和联动件(300)之间。当第一框体(100)和第二框体(200)完全折叠或完全展开时，第一连杆(410)和第二连杆(420)分别被限位锁止。还提供了一种电子设备。该折叠装置(10)具有较高的限位精度。

Description

折叠装置及电子设备 技术领域
本发明涉及电子技术领域，尤其涉及一种折叠装置及电子设备。
背景技术
随着电子设备技术的日趋发展，用户对具有大尺寸且易于携带的电子设备的需求越来越高，因此，具有折叠式显示屏的电子设备得到广泛的关注。折叠式电子设备通常包括折叠装置和柔性屏，折叠装置用于对柔性屏形成支撑和保护。相关技术中，折叠装置的传动精度不高。
发明内容
本发明实施例提供一种折叠装置，所述折叠装置包括第一框体、第二框体、以及连接所述第一框体和所述第二框体的联动件；所述第一框体和所述第二框体在所述联动件的配合下相对折叠；所述折叠装置还包括第一连杆和第二连杆，所述第一连杆滑动连接于所述第一框体与所述联动件之间，所述第二连杆滑动连接于所述第二框体和所述联动件之间；当所述第一框体和所述第二框体完全折叠或完全展开时，所述第一连杆和所述第二连杆分别被限位锁止。
本发明实施例提供的折叠装置通过在第一框体和第二框体之间设置联动件，使得第一框体和第二框体可通过联动件形成相对的折叠，且在第一框体和联动件之间设置有滑动连接的第一连杆，在第二框体和联动件之间设置有滑动连接的第二连杆，当第一框体和第二框体处于完全折叠或者完全展开的状态时，第一连杆和第二连杆可分别被限位锁止，进而对第一框体和第二框体处于完全折叠或者完全展开的状态进行限位，有助于提高折叠装置的折叠或者展开时的传动精度。
本发明实施例还提供一种电子设备，所述电子设备包括柔性屏和如上任意实施例提供的折叠装置，所述柔性屏同时盖合于所述第一框体和所述第二框体，所述第一框体和所述第二框体共同对所述柔性屏形成支撑。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的折叠装置用于支撑柔性屏的爆炸结构示意图。
图2是本发明实施例提供的折叠装置处于完全展平状态的结构示意图。
图3是本发明实施例提供的折叠装置处于局部折叠状态的结构示意图。
图4是本发明实施例提供的折叠装置处于完全折叠状态的结构示意图。
图5是本发明实施例提供的第一种折叠装置的结构示意图。
图6是本发明实施例提供的第二种折叠装置的结构示意图。
图7是图6中区域P的局部放大视图的结构示意图。
图8是本发明实施例提供的第三种折叠装置的结构示意图。
图9是图8中区域Q的局部放大视图的结构示意图。
图10是本发明实施例提供的第四种折叠装置的结构示意图。
图11是图10中区域M的局部放大视图的结构示意图。
图12是本发明实施例提供的一种杆体与限位机构装配的结构示意图。
图13是本发明实施例提供的第五种折叠装置的结构示意图。
图14是图13中区域N的局部放大视图的结构示意图。
图15是本发明实施例提供的第六种折叠装置的结构示意图。
图16是图15中区域R的局部放大视图的结构示意图。
图17是本发明实施例提供的第七种折叠装置的结构示意图。
图18是图17中区域L的局部放大视图的结构示意图。
图19是本发明实施例提供的第八种折叠装置的结构示意图。
图20是图19中区域W的局部放大视图的结构示意图。
图21是本发明实施例提供的第九种折叠装置的结构示意图。
图22是图21中区域X的局部放大视图的结构示意图。
图23是本发明实施例提供的第十种折叠装置的结构示意图。
图24是图23中区域Y的局部放大视图的结构示意图。
图25是本发明实施例提供的凸块和杆体相互配合的结构示意图。
图26是本发明实施例提供的第十一种折叠装置的结构示意图。
图27是本发明实施例提供的第十二种折叠装置的结构示意图。
图28是本发明实施例提供的一种电子设备的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请一并参阅图1、图2、图3和图4，本申请实施例提供的折叠装置10包括第一框体100、第二框体200、以及连接所述第一框体100和所述第二框体200的联动件300；所述第一框体100和所述第二框体200在所述联动件300的配合下相对折叠；所述折叠装置10还包括第一连杆410和第二连杆420，所述第一连杆410滑动连接于所述第一框体100与所述联动件300之间，所述第二连杆420滑动连接于所述第二框体200和所述联动件300之间；当所述第一框体100和所述第二框体200完全折叠或完全展开时，所述第一连杆410和所述第二连杆420分别被限位锁止。
其中，折叠装置10用于支撑柔性屏20。柔性屏20包括依次相连的第一部分21、弯曲部23和第二部分22，第一框体100用于支撑第一部分21，第二框体200用于支撑第二部分22，联动件300用于驱使弯曲部23产生弯曲变形。
具体的，第一框体100和联动件300之间为转动连接，第二框体200和联动件300之间也为转动连接，第一框体100和第二框体200通过联动件300形成相互的折叠或者展开。第一框体100和联动件300之间连接有第一连杆410，第一连杆410的第一端411转动连接于第一框体100，第一连杆410的第二端412滑动连接于联动件300，当第一框体100相对于联动件300形成折叠或者展开时，第一连杆410第一端411与第一框体100之间形成相对的转动，第一连杆410的第二端412与联动件300之间形成相对的滑动以及转动，且第一连杆410的第二端412可被联动件300限位锁止，从而对第一框体100与联动件300之间的相对位置进行限位。第二框体200和联动件300之间连接有第二连杆420，第二连杆420的第三端421转动连接于第二框体200，第二连杆420的第四端422滑动连接于联动件300，当第二框体200相对于联动件300形成折叠或者展开时，第二连杆420第三端421与第二框体200之间形成相对的转动，第二连杆420的第四端422与联动件300之间形成相对的滑动以 及转动，且第二连杆420的第四端422可被联动件300限位锁止，从而对第二框体200与联动件300之间的相对位置进行限位。
本发明实施例提供的折叠装置10通过在第一框体100和第二框体200之间设置联动件300，使得第一框体100和第二框体200可通过联动件300形成相对的折叠，且在第一框体100和联动件300之间设置有滑动连接的第一连杆410，在第二框体200和联动件300之间设置有滑动连接的第二连杆420，当第一框体100和第二框体200处于完全折叠或者完全展开的状态时，第一连杆410和第二连杆420可分别被限位锁止，进而对第一框体100和第二框体200处于完全折叠或者完全展开的状态进行限位，有助于提高折叠装置10的折叠或者展开时的传动精度。且第一框体100和第二框体200之间通过联动件300转动，传动环节少，传动效率较高。
请继续参阅图5，所述第一框体100设有具有第一限位壁110和第二限位壁120的第一滑槽130，所述第二框体200设有具有第三限位壁210和第四限位壁220的第二滑槽230；所述第一连杆410和所述第二连杆420分别转动连接于所述联动件300；所述第一连杆410和所述第二连杆420分别在所述第一滑槽130和所述第二滑槽230内相对于所述第一框体100和所述第二框体200相对滑动连接；
当所述第一框体100和所述第二框体200完全折叠时，所述第一连杆410和所述第二连杆420分别被限位锁止在所述第一限位壁110和第三限位壁210；当所述第一框体100和所述第二框体200完全展开时，所述第一连杆410和所述第二连杆420分别被限位锁止在所述第二限位壁120和第四限位壁220。
具体的，所述第一限位壁110和所述第二限位壁120为形成所述第一滑槽130的部分结构，所述第三限位壁210和所述第四限位壁220为形成所述第二滑槽230的部分结构，第一连杆410和第二连杆420分别转动且滑动连接于联动件300，第一连杆410可在所述第一滑槽130内相对第一框体100滑动，第二连杆420可在所述第二滑槽230内相对第二框体200滑动。当第一框体100通过联动件300相对第二框体200完全折叠时，第一连杆410被限位锁止于第一限位壁110，第二连杆420被限位锁止于第三限位壁210。当第一框体100通过联动件300相对第二框体200完全展开时，第一连杆410被限位锁止于第二限位壁120，第二连杆420被限位锁止于第四限位壁220。即第一连杆410可在第一框体100的第一滑槽130内往复滑动，且可被第一限位壁110和第二限位壁120进行限位锁止。第二连杆420可在第二框体200的第二滑槽230内往复滑动，且可被第三限位壁210和第四限位壁220进行限位锁止。
请继续参阅图6和图7，所述第一连杆410和所述第二连杆420分别转动连接于所述第一框体100和所述第二框体200；所述联动件300设有具有第五限位壁310和第六限位壁320的第三滑槽330，以及设有具有第七限位壁340和第八限位壁350的第四滑槽360；所述第一连杆410和所述第二连杆420分别在所述第三滑槽330和所述第四滑槽360内相对于所述联动件300相对滑动连接；所述第五限位壁310、第六限位壁320、第七限位壁340、第八限位壁350均为螺旋环状面。
具体的，所述第五限位壁310和所述第六限位壁320为形成所述第三滑槽330的部分结构，所述第七限位壁340和所述第八限位壁350为形成所述第四滑槽360的部分结构，第一连杆410转动连接于所述第一框体100，第二连杆420转动连接于所述第二框体200，第一连杆410可在联动件300的所述第三滑槽330内相对联动件300滑动并转动，第二连杆420可在联动件300的所述第四滑槽360内相对联动件300滑动并转动。当第一框体100通过联动件300相对第二框体200完全折叠时，第一连杆410被限位锁止于第五限位壁310，第二连杆420被限位锁止于第七限位壁340。当第一框体100通过联动件300相对第二框体200完全展开时，第一连杆410被限位锁止于第六限位壁320，第二连杆420被限位锁止于第八 限位壁350。即第一连杆410可在联动件300的第三滑槽330内往复滑动，且可被第五限位壁310和第六限位壁320进行限位锁止。第二连杆420可在联动件300的第四滑槽360内往复滑动，且可被第七限位壁340和第八限位壁350进行限位锁止。
进一步的，由于第一连杆410与联动件300之间的运动关系为滑动并转动，即第一连杆410可在联动件300的所述第三滑槽330内相对联动件300滑动并转动，第二连杆420与联动件300之间的运动关系为滑动并转动，即第二连杆420可在联动件300的所述第四滑槽360内相对联动件300滑动并转动，因此，将所述第五限位壁310、第六限位壁320、第七限位壁340、第八限位壁350设置为螺旋环状面，可以使得第一连杆410可以在相对联动件300滑动并转动的过程中，与联动件300之间的配合较为平缓，且使得第二连杆420可以在相对联动件300滑动并转动的过程中，与联动件300之间的配合较为平缓，避免第一连杆410以及第二连杆420与联动件300之间出现卡住或者运动不顺畅的情况。
更进一步的，所述第三滑槽330形成第一螺旋面，并且所述第五限位壁310相对所述第六限位壁320的旋转角约呈90度；所述第四滑槽360形成第二螺旋面，并且所述第七限位壁340相对所述第八限位壁350的旋转角约呈90度。
具体的，第五限位壁310和第六限位壁320之间的旋转角为90度，第七限位壁340和第八限位壁350之间的旋转角也为90度。第五限位壁310可看作是第六限位壁320沿顺时针或者逆时针旋转90度后得到，第七限位壁340可看作是第八限位壁350沿顺时针或者逆时针旋转90度后得到。如此，便可将第一框体100相对联动件300的转动角度限定为90度，且将第二框体200相对联动件300的转动角度限定为90度。当第一框体100相对第二框体200完全展开时，第一框体100与第二框体200之间形成180度角，可使得折叠装置10完全展平；当折叠装置10用于支撑柔性屏20时，有助于提升显示效果。当第一框体100相对第二框体200完全折叠时，第一框体100与第二框体200之间形成0度角，可使得第一框体100和第二框体200完全贴合，使得折叠装置10完全贴合，有助于减小折叠装置10占用的体积。
请继续参阅图8和图9，所述折叠装置10还包括分别环绕设置于所述第三滑槽330和所述第四滑槽360内的第一限位机构510和第二限位机构520；
所述第一限位机构510设置有第一转动连接部511，所述第一连杆410设置有与所述第一转动连接部511配合并可相对于所述第一限位机构510相对转动的第一转动连接配合部411；所述第一限位机构510带动所述第一连杆410在所述第三滑槽330内滑动；当所述第一框体100和所述第二框体200完全展开，所述第一限位机构510被限位锁止于所述第五限位壁310；当所述第一框体100和所述第二框体200完全弯折，所述第一限位机构510被锁止在所述第六限位壁320；
所述第二限位机构520设置有第二转动连接部521，所述第二连杆420设置有与所述第二转动连接部521配合并可相对于所述第二限位机构520相对转动的第二转动连接配合部421；所述第二限位机构520带动所述第二连杆420在所述第四滑槽340内滑动；当所述第一框体100和所述第二框体200完全展开，所述第二限位机构520被限位锁止于所述第七限位壁340；当所述第一框体100和所述第二框体200完全弯折，所述第二限位机构520被锁止在所述第八限位壁350。
其中，所述第一限位机构510和所述第二限位机构520分别为限位套筒。所述第一转动连接部511可以为第一转动轴，所述第二转动连接部521可以为第二转动轴，第一转动连接配合部411可以为第一限位配合孔，第二转动连接配合部421可以为第二限位配合孔。第一转动连接部511可被第一限位配合孔限位，且第一转动连接部511与所述第一限位配合孔之间为转动连接。第二转动连接部521可被第二限位配合孔限位，且第二转动连接部521与所述第二限位配合孔之间为转动连接。
第一限位机构510在第一连杆410的带动下可在联动件300的第三滑槽330内滑动，与此同时，第一限位机构510在相对联动件300滑动的过程中还相对联动件300转动，且第一限位机构510限位于第三滑槽330内。当第一框体100相对第二框体200完全展开时，第一限位机构510被限位锁止于第五限位壁310；当第一框体100相对第二框体200完全折叠时，第一限位机构510被限位锁止于第六限位壁320。
进一步的，第一限位机构510的两端均为螺旋面，第五限位壁310和第六限位壁320均为螺旋面，当第一限位机构510被限位锁止于第五限位壁310时，第一限位机构510的螺旋面可与第五限位壁310的螺旋面完全贴合；当第一限位机构510被限位锁止于第六限位壁320时，第一限位机构510的螺旋面可与第六限位壁320的螺旋面完全贴合，从而可以提高第一限位机构510的限位精度。
第二限位机构520在第二连杆420的带动下可在联动件300的第四滑槽360内滑动，与此同时，第二限位机构520在相对联动件300滑动的过程中还相对联动件300转动，且第二限位机构520限位于第四滑槽360内。当第一框体100相对第二框体200完全展开时，第二限位机构520被限位锁止于第七限位壁340；当第一框体100相对第二框体200完全折叠时，第二限位机构520被限位锁止于第八限位壁350。
进一步的，第二限位机构520的两端均为螺旋面，第七限位壁340和第八限位壁350均为螺旋面，当第二限位机构520被限位锁止于第七限位壁340时，第二限位机构520的螺旋面可与第七限位壁340的螺旋面完全贴合；当第二限位机构520被限位锁止于第八限位壁350时，第二限位机构520的螺旋面可与第八限位壁350的螺旋面完全贴合，从而可以提高第二限位机构520的限位精度。
请继续参阅图10和图11，所述联动件300包括第一传动件610和第二传动件650；所述第一传动件610包括第一齿轮620，所述第二传动件650包括第二齿轮660，所述第一齿轮620和所述第二齿轮660之间形成啮合，使所述第一框体100和所述第二框体200反向对称转动；所述第一传动件610还包括从所述第一齿轮620上延伸出来的第一杆体630和第二杆体640，所述第二传动件650还包括从所述第二齿轮660上延伸出来的第三杆体670和第四杆体680，所述第一杆体630与所述第一框体100滑动连接，所述第二杆体640与所述联动件300之间为活动连接，所述第三杆体670与所述第二框体200之间滑动连接，所述第四杆体680与所述联动件300之间为活动连接。
具体的，第一齿轮620和第二齿轮660之间形成直接接触式的啮合配合，当第一齿轮620沿第一方向转动，第二齿轮660沿第二方向转动时，可使得第一框体100和第二框体200反向对称转动进而形成完全的折叠状态。当第一齿轮620沿第二方向转动，第二齿轮660沿第一方向转动，可使得第一框体100和第二框体200反向对称转动进而形成完全的展开状态。其中，第一方向可以为顺时针方向，此时，第二方向为逆时针方向。第一方向可以为逆时针方向，此时，第二方向为顺时针方向。第一杆体630滑动连接于第一框体100，第二杆体640活动连接于联动件300。第三杆体670滑动连接于第二框体200，第四杆体680活动连接于联动件300。
在一些实施方式中，第一杆体630、第二杆体640可以与第一齿轮620一体式设置。即第一杆体630、第二杆体640与第一齿轮620在同一加工工序中一并形成。第三杆体670、第四杆体680可以与第二齿轮660一体式设置。即第三杆体670、第四杆体680与第二齿轮660在同一加工工序中一并形成。可以理解的，在其他实施方式中，第一杆体630、第二杆体640、第三杆体670、第四杆体680、第一齿轮620和第二齿轮660均独立成型，然后将第一杆体630和第二杆体640固定于第一齿轮620，将第三杆体670和第四杆体680固定于第二齿轮660。
进一步的，所述第一杆体630的延伸方向与所述第二杆体640的延伸方向保持垂直，所 述第三杆体670的延伸方向与所述第四杆体680的延伸方向保持垂直。
具体的，所述第二杆体640的延伸方向与所述第一齿轮620的转动轴线的方向保持一致，所述第四杆体680的延伸方向与所述第二齿轮660的转动轴线的方向保持一致。第一杆体630的延伸方向与第一齿轮620的转动轴线方向保持垂直，第三杆体670的延伸方向与第二齿轮660的转动轴线方向保持垂直。第一齿轮620的转动轴线方向与第二齿轮660的转动轴线方向保持平行。此时，可以使得第一框体100与第二框体200之间相对折叠或者相对展开的运动更加顺畅，可以避免出现死角卡住或者顺畅不顺畅的问题。
请继续参阅图12，更进一步的，在一些实施方式中，所述第一限位机构510的内壁上设置有第一凸起部511，所述第二限位机构520的内壁上设置有第二凸起部522，所述第二杆体640上设置有第一螺旋槽641，所述第四杆体680上设置有第二螺旋槽681，所述第二杆体640部分收容于所述第一限位机构510内，且第一凸起部511可在第一螺旋槽641内滑动，所述第四杆体680部分收容于所述第二限位机构520内，且第二凸起部522可在第二螺旋槽681内滑动，所述第一螺旋槽641用于对所述第一凸起部511进行导向以及限位，进而使得第二杆体640相对于联动件300产生转动，所述第二螺旋槽681用于对所述第二凸起部522进行导向以及限位，进而使得第四杆体680相对于联动件300产生转动。其中，第一螺旋槽641和第二螺旋槽681的旋向相反。且第一螺旋槽641的限位起点和限位终点之间为四分之一螺距。第二螺旋槽681的限位起点和限位终点之间为四分之一螺距。
请继续参阅图13和图14，所述第一框体100凸设有第一限位孔100a，所述第二框体200凸设有第二限位孔200a，所述第一杆体630可在所述第一限位孔100a内朝向靠近或者远离所述第一框体100的方向滑动，所述第三杆体670可在所述第二限位孔200a内朝向靠近或者远离所述第二框体200的方向滑动。
其中，所述第一限位孔100a的形状为圆形、方形、三角形、花键形中的任意一种，所述第二限位孔200a的形状为圆形、方形、三角形、花键形中的任意一种。
具体的，第一限位孔100a对第一杆体630具有限位作用，第二限位孔200a对第三杆体670具有限位作用。当第一框体100与第二框体200之间从相对折叠的状态运动至相对展开的状态时，第一杆体630在第一限位孔100a内从靠近第一框体100滑动至远离第一框体100的状态，第二杆体640在第二限位孔200a内从靠近第二框体200滑动至远离第二框体200的状态。且当第一框体100和第二框体200处于完全折叠的状态时，第一杆体630被限位锁止于第一限位孔100a的第一预设位置，第二杆体640被限位锁止于第二限位孔200a的第二预设位置；当第一框体100和第二框体200处于完全展开的状态时，第一杆体630被限位锁止于第一限位孔100a的第三预设位置；第二杆体640被限位锁止于第二限位孔200a的第四预设位置。当第一框体100与第二框体200之间从相对展开的状态运动至相对折叠的状态时，第一杆体630在第一限位孔100a内从远离第一框体100滑动至靠近第一框体100的状态，第二杆体640在第二限位孔200a内从远离第二框体200滑动至靠近第二框体200的状态。且当第一框体100和第二框体200处于完全折叠的状态时，第一杆体630被限位锁止于第一限位孔100a的第五预设位置，第二杆体640被限位锁止于第二限位孔200a的第六预设位置；当第一框体100和第二框体200处于完全展开的状态时，第一杆体630被限位锁止于第一限位孔100a的第七预设位置；第二杆体640被限位锁止于第二限位孔200a的第八预设位置。
请继续参阅图15和图16，所述联动件300还包括支撑件350，所述支撑件350设有第一安装孔351和第二安装孔352，所述第二杆体640和所述第四杆体680分别安装于所述第一安装孔351和所述第二安装孔352内；所述第一安装孔351和所述第二安装孔352分别被截取出螺旋状的第一圆柱截面空间353和第二圆柱截面空间354，所述第二杆体640和所述第四杆体680分别置于所述第一圆柱截面空间353和所述第二圆柱截面空间354内；所述第二杆体640、所述第一圆柱截面空间353的切面共同围成所述第三滑槽330；所述第四杆体 680、所述第二圆柱截面空间354的切面共同围成所述第四滑槽360。
具体的，所述支撑件350具有间隔设置的第一安装孔351和第二安装孔352，第一安装孔351截取出螺旋状的第一圆柱截面空间353，第二安装孔352截取出螺旋状的第二圆柱截面空间354，第二杆体640被收容于第一圆柱截面空间353内，且可在第一圆柱截面空间353内相对支撑件350转动，第四杆体680被收容于第二圆柱截面空间354内，且可在第二圆柱截面空间354内相对支撑件350转动，第一圆柱截面空间353的螺旋状切面与第二杆体640围设形成所述第三滑槽330，第二圆柱截面空间354的螺旋状切面与第四杆体680围设形成所述第四滑槽360。
进一步的，所述第二杆体640与所述第一安装孔351之间为间隙配合，所述第四杆体680与所述第二安装孔352之间为间隙配合。第二杆体640可在第一安装孔351内相对支撑件350转动，第四杆体680可在第二安装孔352内相对支撑件350转动。
更进一步的，第一限位机构510套设于第二杆体640，第二限位机构520套设于第四杆体680，且第一限位机构510被限位锁止于第三滑槽330内，第二限位机构520被限位锁止于第四滑槽360内。第一限位机构510与第二杆体640之间保持同步转动，第二限位机构520与第四杆体680之间保持同步转动。
请继续参阅图17和图18，所述第一限位机构510具有相对设置的第一螺旋面511和第二螺旋面512，所述第二限位机构520具有相对设置的第三螺旋面521和第四螺旋面522，当所述折叠装置10完全折叠时，所述第一螺旋面511贴合于所述第五限位壁310，所述第三螺旋面521贴合于所述第七限位壁340；当所述折叠装置10处于完全展平时，所述第二螺旋面512贴合于所述第六限位壁320，所述第四螺旋面522贴合于所述第八限位壁350。
具体的，由于第一限位机构510与联动件300之间既有转动连接，又有滑动连接，且转动连接与滑动连接保持同步，第二限位机构520与联动件300之间既有转动连接，又有滑动连接，且转动连接与滑动连接保持同步。因此，在本实施方式中，为了使得第一限位机构510与联动件300之间的运动更加顺畅，且使得第二限位机构520与联动件300之间的运动更加顺畅，将第五限位壁310、第六限位壁320、第七限位壁340和第八限位壁350均设置为螺旋面。且第一限位机构510具有相对的第一螺旋面511和第二螺旋面512，第二限位机构520具有相对的第三螺旋面521和第四螺旋面522，当第一框体100相对第二框体200完全折叠时，第一螺旋面511贴合于第五限位壁310的螺旋面，第三螺旋面521贴合于第七限位壁340的螺旋面。当第一框体100相对第二框体200完全展平时，第二螺旋面512贴合于第六限位壁320的螺旋面，第四螺旋面522贴合于第八限位壁350的螺旋面。如此，当第一框体100和第二框体200之间具有相对转动时，可以使得第一限位机构510与联动件300之间的运动更加顺畅，且使得第二限位机构520与联动件300之间的运动更加顺畅，通过螺旋面与螺旋面的贴合，提升了折叠装置10的限位精度。
进一步的，所述第一螺旋面511和所述第二螺旋面512的螺旋方向相同，所述第三螺旋面521和所述第四螺旋面522的螺旋方向相同。
具体的，由于第一限位机构510与联动件300之间既有转动连接，又有滑动连接，且转动连接与滑动连接保持同步，第二限位机构520与联动件300之间既有转动连接，又有滑动连接，且转动连接与滑动连接保持同步，当第五限位壁310的螺旋面和第六限位壁320的螺旋面之间的旋转角为90度，第七限位壁340的螺旋面和第八限位壁350的螺旋面之间的旋转角为90度，第一限位机构510的第一螺旋面511与第二螺旋面512的旋转方向保持相同，第二限位机构520的第三螺旋面521与第四螺旋面522的旋转方向保持相同时，可以使得折叠装置10处于完全折叠或者完全展开的状态下，第一限位机构510与联动件300之间为螺旋面贴合限位，第二限位机构520与联动件300之间也为螺旋面贴合限位，可以使得限位更加稳定，且不会对第一框体100与第二框体200之间的相对转动产生干涉，可以在实现对折 叠装置10进行限位的前提下，使得折叠装置10的转动较为顺畅。
请继续参阅图19和图20，所述折叠装置10还包括齿条690，所述齿条690位于所述第一齿轮620和所述第二齿轮660之间，且所述齿条690分别与所述第一齿轮620和所述第二齿轮660形成配合，所述齿条690滑动连接于所述联动件300。
在本实施方式中，第一齿轮620和第二齿轮660之间为间接配合，第一齿轮620和第二齿轮660之间设置有齿条690，且齿条690分别于第一齿轮620和第二齿轮660形成配合，齿条690滑动连接于联动件300，可相对联动件300靠近或者远离。当齿条690朝向靠近联动件300的方向滑动时，第一齿轮620朝向第一方向转动，第二齿轮660朝向第二方向转动，以使得第一框体100和第二框体200相互靠近形成完全的折叠状态。当齿条690朝向远离联动件300的方向滑动时，第一齿轮620朝向第二方向转动，第二齿轮660朝向第一方向转动，以使得第一框体100和第二框体200相互背离形成完全的展开状态。其中，第一方向为顺时针方向时，第二方向为逆时针方向。第一方向为逆时针方向时，第二方向为顺时针方向。
请继续参阅图21和图22，所述联动件300具有间隔设置的第一凸块360和第二凸块370，所述第一凸块360和所述第二凸块370之间形成安装槽365，所述第一齿轮620、所述第二齿轮660和所述齿条690位于所述安装槽365内，所述第一凸块360具有第一限位槽360a，所述第二凸块370具有第二限位槽370a，所述齿条690相对的两端分别具有第一延伸部691和第二延伸部692，所述第一延伸部691收容于所述第一限位槽360a内，且可在所述第一限位槽360a内滑动，所述第二延伸部692收容于所述第二限位槽370a内，且可在所述第二限位槽370a内滑动。
具体的，第一凸块360和第二凸块370之间围设形成安装槽365，所述安装槽365用于安装第一齿轮620、第二齿轮660和位于第一齿轮620和第二齿轮660之间的齿条690。第一凸块360上还具有第一限位槽360a，第二凸块370上还具有第二限位槽370a，齿条690相对的两端分别具有第一延伸部691和第二延伸部692，第一延伸部691位于第一限位槽360a内，可在第一限位槽360a内朝向远离或者靠近联动件300的方向运动，第二延伸部692位于第二限位槽370a内，可在第二限位槽370a内朝向远离或者靠近联动件300的方向运动，且第一延伸部691在第一限位槽360a内的运动与第二延伸部692在第二限位槽370a内的运动保持同步，以使得齿条690朝向靠近或者远离联动件300的方向运动。当第一框体100相对第二框体200形成折叠状态时，第一延伸部691在第一限位槽360a内朝向远离联动件300的方向运动，第二延伸部692在第二限位槽370a内朝向远离联动件300的方向运动。当第一框体100相对第二框体200形成展开状态时，第一延伸部691在第一限位槽360a内朝向靠近联动件300的方向运动，第二延伸部692在第二限位槽370a内朝向靠近联动件300的方向运动。且当第一框体100相对第二框体200运动以使得折叠装置10完全展平时，第一延伸部691抵持于第一限位槽360a的一端，第二延伸部692抵持于第二限位槽370a的一端。当第一框体100相对第二框体200运动以使得折叠装置10完全折叠时，第一延伸部691抵持于第一限位槽360a的另一端，第二延伸部692抵持于第二限位槽370a的另一端。通过齿条690的第一延伸部691在第一限位槽360a内的限位运动，齿条690的第二延伸部692在第二限位槽370a内的限位运动，可以对第一框体100与第二框体200之间相对折叠或者相对展开的运动位置进行限位，进而可以使得折叠装置10完全展平或者完全折叠。
请继续参阅图23和图24，所述第一凸块360具有第一配合孔361和第二配合孔362，所述第一配合孔361用于收容部分第二杆体640，所述第二配合孔362用于收容部分第四杆体680，所述第一配合孔361与所述第一限位槽360a之间的第一距离等于所述第二配合孔362与所述第一限位槽360a之间的第二距离。
进一步的，第二凸块370具有第三配合孔(图中未示出)和第四配合孔(图中未示出)，第一配合孔361正对第三配合孔，第四配合孔正对第二配合孔362。第一配合孔361用于部分 收容第二杆体640，且第三配合孔用于部分收容第二杆体640。第二配合孔362用于部分收容第四杆体680，且第四配合孔用于部分收容第四杆体680。第一配合孔361和第三配合孔相互配合以对第二杆体640形成限位，第二配合孔362和第四配合孔相互配合以对第四杆体680形成限位。
当第一配合孔361与第一限位槽360a之间的第一距离等于第二配合孔362与所述第一限位槽360a之间的第二距离，且第三配合孔与第一限位槽360a之间的第三距离等于第四配合孔与所述第一限位槽360a之间的第四距离时，可以使得折叠装置10的结构呈现出对称设置，进而使得第一框体100与第二框体200之间的相对转动更加顺畅。
请继续参阅图25，进一步的，所述联动件300背离所述第一框体100和所述第二框体200的折叠方向的表面为弧形面S，所述第一配合孔361与所述弧形面S在所述折叠装置10的厚度方向上的最大距离为第五距离，所述弧形面S的半径为所述第五距离与所述第一距离之和。且所述第二配合孔362与所述弧形面S在所述折叠装置10的厚度方向上的最大距离为第六距离，所述弧形面S的半径为所述第六距离与所述第二距离之和，此时，可以使得折叠装置10的转动半径最小，可以使得折叠装置10较为紧凑。即H+W＝R。
请继续参阅图26，所述折叠装置10还包括第一滑块710和第二滑块720，所述第一滑块710滑动连接于所述第一框体100和所述联动件300之间，所述第二滑块720滑动连接于所述第二框体200和所述联动件300之间，当所述第一框体100相对所述第二框体200折叠时，所述第一滑块710和所述第二滑块720相互配合以对所述折叠装置10的折叠半径进行补偿。
具体的，当第一框体100与第二框体200相对运动以使得所述折叠装置10处于完全的折叠状态时，所述第一滑块710朝向靠近联动件300的方向运动，直至抵持于联动件300，所述第二滑块720朝向靠近联动件300的方向运动，直至抵持于联动件300。当第一框体100与第二框体200相对运动以使得所述折叠装置10处于完全的展平状态时，所述第一滑块710朝向靠近所述第一框体100的方向运动，直至抵持于所述第一框体100，所述第二滑块720朝向靠近所述第二框体200的方向运动，直至抵持于所述第二框体200。由于联动件300为实体结构，位置不会随第一滑块710和第二滑块720的滑动而变化，当折叠装置10从完全展平状态变化至完全折叠状态时，第一框体100与第二框体200之间的间距会产生变化，为此，通过增加第一滑块710和第二滑块720来弥补第一框体100和第二框体200相对折叠过程中的长度差，可以使得折叠装置10在折叠或者展开的过程中结构更加稳固。
请继续参阅图27，所述折叠装置10还包括第三连杆430和第四连杆440，所述第一连杆410和第三连杆430相对设置，所述第二连杆420和所述第四连杆440相对设置；所述第三连杆430滑动连接于所述第一框体100与所述联动件300之间，所述第四连杆440滑动连接于所述第二框体200和所述联动件300之间；当所述第一框体100和所述第二框体200完全折叠或完全展开时，所述第三连杆430和所述第四连杆440分别被限位锁止。
具体的，第三连杆430与第一连杆410间隔设置，第四连杆440与第二连杆420间隔设置，且第一连杆410正对第二连杆420，第一连杆410与第二连杆420相互配合以使得第一框体100和第二框体200之间相对转动，第三连杆430正对第四连杆440，第三连杆430与第四连杆440相互配合以使得第一框体100和第二框体200之间相对转动。通过第一连杆410、第二连杆420、第三连杆430和第四连杆440的相互配合，可以使得第一框体100与第二框体200之间的相对转动更加稳定，从而使得折叠装置10在折叠或者展开的过程中结构更加稳固。
进一步的，当所述第一框体100和所述第二框体200完全折叠或完全展开时，第三连杆430和第四连杆440也可被限位锁止。从而进一步提高折叠装置10在折叠或者展开过程中的限位精度，使得折叠装置10在折叠或者展开的过程中结构变形小，结构稳定。也就是说， 折叠装置10采用完全对称的结构设置，包括至少两条对称轴，通过对称式结构设置，可以使得折叠装置10在折叠或者展开过程中，部件之间的相互干涉减小，从而使得折叠装置10的折叠或者展开过程较为顺畅。
请继续参阅图28，所述电子设备1包括柔性屏20和如上任意实施例提供的折叠装置10，所述柔性屏20同时盖合于所述第一框体100和所述第二框体200，所述第一框体100和所述第二框体200共同对所述柔性屏20形成支撑。
其中，所述电子设备1可以是任何具备显示功能的设备。例如：平板电脑、手机、电子阅读器、遥控器、个人计算机(Personal Computer，PC)、笔记本电脑、车载设备、网络电视、可穿戴设备等具有显示功能的智能设备。
所述柔性屏20可以为但不仅限于为柔性有机发光二极管(Organic Light-Emitting Diode,OLED)。柔性屏20具有低功耗、可弯曲、可折叠的特性。
柔性屏20包括第一部分21、第二部分22以及位于第一部分21和第二部分22之间的弯曲部23。第一框体100用于承载第一部分21；第二框体200用于承载第二部分22。联动件300转动连接第一框体100和第二框体200，以使得第一框体100可相对第二框体200翻转，并带动弯曲部23弯曲。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (21)

  1. 一种折叠装置，其特征在于，所述折叠装置包括第一框体、第二框体、以及连接所述第一框体和所述第二框体的联动件；所述第一框体和所述第二框体在所述联动件的配合下相对折叠；所述折叠装置还包括第一连杆和第二连杆，所述第一连杆滑动连接于所述第一框体与所述联动件之间，所述第二连杆滑动连接于所述第二框体和所述联动件之间；当所述第一框体和所述第二框体完全折叠或完全展开时，所述第一连杆和所述第二连杆分别被限位锁止。
  2. 如权利要求1所述的折叠装置，其特征在于，所述第一框体设有具有第一限位壁和第二限位壁的第一滑槽，所述第二框体设有具有第三限位壁和第四限位壁的第二滑槽；所述第一连杆和所述第二连杆分别转动连接于所述联动件；所述第一连杆和所述第二连杆分别在所述第一滑槽和所述第二滑槽内相对于所述第一框体和所述第二框体相对滑动连接；
    当所述第一框体和所述第二框体完全折叠时，所述第一连杆和所述第二连杆分别被限位锁止在所述第一限位壁和第三限位壁；当所述第一框体和所述第二框体完全展开时，所述第一连杆和所述第二连杆分别被限位锁止在所述第二限位壁和第四限位壁。
  3. 如权利要求1所述的折叠装置，其特征在于，所述第一连杆和所述第二连杆分别转动连接于所述第一框体和所述第二框体；所述联动件设有具有第五限位壁和第六限位壁的第三滑槽，以及设有具有第七限位壁和第八限位壁的第四滑槽；所述第一连杆和所述第二连杆分别在所述第三滑槽和所述第四滑槽内相对于所述联动件相对滑动连接；所述第五限位壁、第六限位壁、第七限位壁、第八限位壁均为螺旋环状面。
  4. 如权利要求3所述的折叠装置，其特征在于，所述第三滑槽形成第一螺旋面，并且所述第五限位壁相对所述第六限位壁的旋转角约呈90度；所述第四滑槽形成第二螺旋面，并且所述第七限位壁相对所述第八限位壁的旋转角约呈90度。
  5. 如权利要求4所述的折叠装置，其特征在于，所述折叠装置还包括分别环绕设置于所述第三滑槽和所述第四滑槽内的第一限位机构和第二限位机构；
    所述第一限位机构设置有第一转动连接部，所述第一连杆设置有与所述第一转动连接部配合并可相对于所述第一限位机构相对转动的第一转动连接配合部；所述第一限位机构带动所述第一连杆在所述第三滑槽内滑动；当所述第一框体和所述第二框体完全展开，所述第一限位机构被限位锁止于所述第五限位壁；当所述第一框体和所述第二框体完全弯折，所述第一限位机构被锁止在所述第六限位壁；
    所述第二限位机构设置有第二转动连接部，所述第二连杆设置有与所述第二转动连接部配合并可相对于所述第二限位机构相对转动的第二转动连接配合部；所述第二限位机构带动所述第二连杆在所述第四滑槽内滑动；当所述第一框体和所述第二框体完全展开，所述第二限位机构被限位锁止于所述第七限位壁；当所述第一框体和所述第二框体完全弯折，所述第二限位机构被锁止在所述第八限位壁。
  6. 如权利要求5所述的折叠装置，其特征在于，所述联动件包括第一传动件和第二传动件；所述第一传动件包括第一齿轮，所述第二传动件包括第二齿轮，所述第一齿轮和所述第二齿轮之间形成啮合，使所述第一框体和所述第二框体反向对称转动；所述第一传动件还包括从所述第一齿轮上延伸出来的第一杆体和第二杆体，所述第二传动件还包括从所述第二齿 轮上延伸出来的第三杆体和第四杆体，所述第一杆体与所述第一框体滑动连接，所述第二杆体与所述第一限位机构之间为活动连接，所述第三杆体与所述第二框体之间滑动连接，所述第四杆体与所述第二限位机构之间为活动连接。
  7. 如权利要求6所述的折叠装置，其特征在于，所述第一杆体的延伸方向与所述第二杆体的延伸方向保持垂直，所述第三杆体的延伸方向与所述第四杆体的延伸方向保持垂直。
  8. 如权利要求6所述的折叠装置，其特征在于，所述第二杆体的延伸方向与所述第一齿轮的转动轴线的方向保持一致，所述第四杆体的延伸方向与所述第二齿轮的转动轴线的方向保持一致。
  9. 如权利要求6所述的折叠装置，其特征在于，所述第一框体凸设有第一限位孔，所述第二框体凸设有第二限位孔，所述第一杆体可在所述第一限位孔内朝向靠近或者远离所述第一框体的方向滑动，所述第三杆体可在所述第二限位孔内朝向靠近或者远离所述第二框体的方向滑动。
  10. 如权利要求9所述的折叠装置，其特征在于，所述第一限位孔的形状为圆形、方形、三角形、花键形中的任意一种，所述第二限位孔的形状为圆形、方形、三角形、花键形中的任意一种。
  11. 如权利要求6所述的折叠装置，其特征在于，所述联动件还包括支撑件，所述支撑件设有第一安装孔和第二安装孔，所述第二杆体和所述第四杆体分别安装于所述第一安装孔和所述第二安装孔内；所述第一安装孔和所述第二安装孔分别被截取出螺旋状的第一圆柱截面空间和第二圆柱截面空间，所述第二杆体和所述第四杆体分别置于所述第一圆柱截面空间和所述第二圆柱截面空间内；所述第二杆体、所述第一圆柱截面空间的切面共同围成所述第三滑槽；所述第四杆体、所述第二圆柱截面空间的切面共同围成所述第四滑槽。
  12. 如权利要求11所述的折叠装置，其特征在于，所述第二杆体与所述第一安装孔之间为间隙配合，所述第四杆体与所述第二安装孔之间为间隙配合。
  13. 如权利要求5所述的折叠装置，其特征在于，所述第一限位机构和所述第二限位机构分别为限位套筒。
  14. 如权利要求5所述的折叠装置，其特征在于，
    所述第一限位机构具有相对设置的第一螺旋面和第二螺旋面，所述第二限位机构具有相对设置的第三螺旋面和第四螺旋面，当所述折叠装置完全折叠时，所述第一螺旋面贴合于所述第五限位壁，所述第三螺旋面贴合于所述第七限位壁；当所述折叠装置处于完全展平时，所述第二螺旋面贴合于所述第六限位壁，所述第四螺旋面贴合于所述第八限位壁。
  15. 如权利要求14所述的折叠装置，其特征在于，所述第一螺旋面和所述第二螺旋面的螺旋方向相同，所述第三螺旋面和所述第四螺旋面的螺旋方向相同。
  16. 如权利要求7所述的折叠装置，其特征在于，所述折叠装置还包括齿条，所述齿条位于所述第一齿轮和所述第二齿轮之间，且所述齿条分别与所述第一齿轮和所述第二齿轮形 成配合，所述齿条滑动连接于所述联动件。
  17. 如权利要求16所述的折叠装置，其特征在于，所述联动件具有间隔设置的第一凸块和第二凸块，所述第一凸块和所述第二凸块之间形成安装槽，所述第一齿轮、所述第二齿轮和所述齿条位于所述安装槽内，所述第一凸块具有第一限位槽，所述第二凸块具有第二限位槽，所述齿条相对的两端分别具有第一延伸部和第二延伸部，所述第一延伸部收容于所述第一限位槽内，且可在所述第一限位槽内滑动，所述第二延伸部收容于所述第二限位槽内，且可在所述第二限位槽内滑动。
  18. 如权利要求17所述的折叠装置，其特征在于，所述第一凸块具有第一配合孔和第二配合孔，所述第一配合孔用于收容部分第二杆体，所述第二配合孔用于收容部分第四杆体，所述第一配合孔与所述第一限位槽之间的第一距离等于所述第二配合孔与所述第一限位槽之间的第二距离。
  19. 如权利要求1-18任意一项所述的折叠装置，其特征在于，所述折叠装置还包括第一滑块和第二滑块，所述第一滑块滑动连接于所述第一框体和所述联动件之间，所述第二滑块滑动连接于所述第二框体和所述联动件之间，当所述第一框体相对所述第二框体折叠时，所述第一滑块和所述第二滑块相互配合以对所述折叠装置的折叠半径进行补偿。
  20. 如权利要求1-19任意一项所述的折叠装置，其特征在于，所述折叠装置还包括第三连杆和第四连杆，所述第一连杆和第三连杆相对设置，所述第二连杆和所述第四连杆相对设置；所述第三连杆滑动连接于所述第一框体与所述联动件之间，所述第四连杆滑动连接于所述第二框体和所述联动件之间；当所述第一框体和所述第二框体完全折叠或完全展开时，所述第三连杆和所述第四连杆分别被限位锁止。
  21. 一种电子设备，其特征在于，所述电子设备包括柔性屏和如权利要求1-20任意一项所述的折叠装置，所述柔性屏同时盖合于所述第一框体和所述第二框体，所述第一框体和所述第二框体共同对所述柔性屏形成支撑。
PCT/CN2019/096011 2019-04-18 2019-07-15 折叠装置及电子设备 WO2021007750A1 (zh)

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