WO2019174224A1 - 铰链装置、壳体及电子装置 - Google Patents

铰链装置、壳体及电子装置 Download PDF

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Publication number
WO2019174224A1
WO2019174224A1 PCT/CN2018/109869 CN2018109869W WO2019174224A1 WO 2019174224 A1 WO2019174224 A1 WO 2019174224A1 CN 2018109869 W CN2018109869 W CN 2018109869W WO 2019174224 A1 WO2019174224 A1 WO 2019174224A1
Authority
WO
WIPO (PCT)
Prior art keywords
link
positioning
hinge device
hinge
circular arc
Prior art date
Application number
PCT/CN2018/109869
Other languages
English (en)
French (fr)
Inventor
王正熙
杨松龄
陈松亚
廖乐
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
Priority claimed from PCT/CN2018/078720 external-priority patent/WO2019173950A1/zh
Priority claimed from PCT/CN2018/078718 external-priority patent/WO2019173948A1/zh
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 CN201880090452.XA priority Critical patent/CN112154496A/zh
Publication of WO2019174224A1 publication Critical patent/WO2019174224A1/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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus

Definitions

  • the present application relates to the field of flexible screen support, and more particularly to a hinge device for supporting a flexible screen, a housing provided with the hinge device, and an electronic device provided with the housing.
  • the electronic device of the existing folding display screen generally supports and bends the flexible screen through a hinge.
  • the hinge generally consists of a number of link connections.
  • the links are movable connections, and the hinges are not able to maintain a specific shape and are easily deformed, which is inconvenient to use.
  • the present application provides a hinge device capable of maintaining a configuration, a housing provided with the hinge device, and an electronic device provided with the housing.
  • a hinge device provided between the first frame and the second frame of the housing is configured to support a flexible screen disposed on the housing, the hinge device includes a hinge body and is disposed on the hinge A positioning mechanism on the main body for maintaining the shape of the hinge device.
  • the present application also provides a housing including a first frame body, a second frame body and a hinge device, wherein the hinge device is connected between the first frame body and the second frame body, and the hinge device is used for the hinge device And a flexible screen disposed on the housing, the hinge device includes a hinge body and a positioning mechanism disposed on the hinge body, wherein the positioning mechanism is configured to maintain the shape of the hinge device.
  • the present application also provides an electronic device including a flexible screen and a housing, the housing including a first frame, a second frame, and a hinge device, the hinge device being coupled to the first frame and the first Between the two frames, for supporting a flexible screen disposed on the housing, the hinge device includes a hinge body and a positioning mechanism disposed on the hinge body, the positioning mechanism is configured to maintain the shape of the hinge device .
  • the hinge device of the electronic device of the present application includes a hinge body and a positioning mechanism disposed on the hinge body, and the positioning mechanism is configured to position the hinge device in a bent state or an unfolded state. Therefore, the positioning mechanism can position the hinge device to maintain a bent state or a stretched state, thereby enabling the electronic device to automatically maintain an unfolded state or a bent state.
  • FIG. 1 is a schematic perspective view of an electronic device in an embodiment of the present application.
  • FIG. 2 is a perspective view showing another perspective view of the electronic device of FIG. 1.
  • FIG. 2 is a perspective view showing another perspective view of the electronic device of FIG. 1.
  • FIG. 3 is a perspective exploded view of the electronic device of FIG. 1.
  • FIG. 4 is a perspective exploded view of the electronic device of FIG. 2.
  • FIG. 5 is a perspective exploded view of the hinge device of the electronic device of FIG. 4.
  • FIG. 5 is a perspective exploded view of the hinge device of the electronic device of FIG. 4.
  • FIG. 6 is a perspective exploded view of another perspective view of the hinge device of the electronic device of FIG. 5.
  • Figure 7 is an enlarged view of a portion VII of Figure 6.
  • Figure 8 is an enlarged view of a portion VIII of Figure 6.
  • Figure 9 is an enlarged view of one of the positioning members of Figure 7.
  • Figure 10 is a partially enlarged schematic view of the hinge device of Figure 5.
  • Figure 11 is a cross-sectional view taken along line XI-XI of Figure 1.
  • Figure 12 is a cross-sectional view taken along line XII-XII of Figure 1.
  • Figure 13 is an enlarged view of the portion along line XIII of Figure 12.
  • Figure 14 is a cross-sectional view taken along line XIV-XIV of Figure 1.
  • Fig. 15 is a perspective view showing the bent state of the electronic device of Fig. 1.
  • Figure 16 is a cross-sectional view taken along line XVI-XVI of Figure 15.
  • Figure 17 is a cross-sectional view taken along line XVII-XVII of Figure 15.
  • Figure 18 is a cross-sectional view taken along line XVIII-XVIII of Figure 15.
  • FIG. 1 is a schematic perspective view of an electronic device according to an embodiment of the present invention
  • FIG. 2 is a perspective view of the electronic device of FIG. 1
  • FIG. FIG. 4 is a perspective exploded view of the electronic device of FIG. 2
  • the electronic device 100 in one embodiment of the present application includes a housing 20 and a flexible screen 30 disposed on the housing 20.
  • the housing 20 includes a first frame 21 , a second frame 23 , and a hinge device 25 connected between the first frame 21 and the second frame 23 .
  • the flexible screen 30 is disposed on the first frame 21, the second frame 23, and the hinge device 25.
  • the flexible screen 30 is provided with a bendable region 31 corresponding to the hinge device 25, and two non-bend regions 33 connected to opposite sides of the bendable region 31.
  • the hinge device 25 is configured to be supported on the flexible screen 30.
  • the hinge device 25 includes a hinge body 250.
  • the hinge body 250 is located between the first frame 21 and the second frame 23.
  • One side of the hinge body 250 is slidably coupled to the first frame body 21, and the other opposite side of the hinge body 250 is coupled to the second frame body 23.
  • At least one elastic member 26 is disposed between the first frame body 21 and the hinge body 250, and at least one of the elastic members 26 pushes the first frame body 21 away from the hinge body 250 to make the flexible screen 30
  • the area corresponding to the hinge main body 250 is always kept in an unfolded state, so that the flexible screen 30 can be prevented from being separated from the hinge main body 250 and arched.
  • the hinge body 250 can be compensated for bending perpendicular thereto.
  • the tolerance of the direction of the shaft i.e., the length of the hinge body 250 extending in a direction perpendicular to its bending axis, can be automatically adjusted to avoid damage to the flexible screen.
  • the present invention is not limited to the hinge being a virtual axis scheme, but may be other various schemes such as an active compensation scheme, a passive compensation scheme, and the like.
  • the bending axis described herein is not limited to a solid axis, but may also be a non-solid axis, ie, a virtual axis, as long as the hinge body 250 can be bent around the axis.
  • the bending axis of the hinge body 250 is a virtual axis.
  • the electronic device 100 is a mobile phone. It will be appreciated that in other embodiments, electronic device 100 may be, but is not limited to, a PDA of a radiotelephone, pager, web browser, memo pad, calendar, and/or global positioning system (GPS) receiver.
  • PDA personal digital assistant
  • One side of the hinge body 250 of the hinge device 25 of the electronic device 100 of the present application is slidably coupled to the first frame body 21, and the opposite side of the hinge body 250 is coupled to the second frame body 23, and
  • the elastic member 26 is elastically held between the first frame body 21 and the hinge main body 250. Therefore, the cumulative tolerance of the overall length of the hinge body 250 in the direction perpendicular to its bending axis can be compensated by the sliding of one side of the hinge body 250 with respect to the first frame 21, that is, sliding the first frame
  • the body 21 can absorb the cumulative tolerance of the overall length; in addition, the elastic member 26 always pushes the housing 20 away from the hinge body 250, so that the flexible screen 30 on the housing 20 remains unfolded. Thereby, the flexible screen 30 can be prevented from being separated from the hinge main body 250 and arched, thereby avoiding damage to the flexible screen.
  • the side of the hinge main body 250 parallel to the bending axis thereof is slidably coupled to the first frame body 21 by the elastic member 26, and the hinge main body 250 is parallel to the other side of the bending axis thereof.
  • the second frame body 23 is fixedly coupled, that is, the hinge body 250 is slidable relative to the first frame body 21.
  • the side of the hinge body 250 parallel to its bending axis is slidably coupled to the second frame 23 by the elastic member 26, the hinge body 250 being parallel to the other of its bending axes.
  • the side is slidably coupled to the first frame 21 by the elastic member 26, that is, the hinge body 250 is slidable relative to the first frame 21 and the second frame 23.
  • the first frame 21 is disposed on a side adjacent to the hinge device 25 with a first connecting portion 212 for connecting one side of the hinge body 250 parallel to the bending axis.
  • the first connecting portion 212 includes a connecting strip 2121 protruding from opposite ends of the first frame 21 adjacent to the hinge device 25, and connecting the two connecting strips A guide slide 2125 between 2121.
  • Each connecting strip 2121 extends in a direction perpendicular to a bending axis of the hinge body 250, the guiding slide 2125 being adjacent to a front surface of the first frame 21, thereby connecting the guiding slide 2125 to the two
  • a receiving groove 2126 is defined between the strip 2121 and the first frame 21 .
  • Each of the connecting strips 2121 faces a side of the receiving slot 2126 and defines a sliding slot 2122 along the length of the connecting strip 2121.
  • the sliding slot 2122 communicates with the receiving slot 2126.
  • At least one receiving groove 2127 is defined in the rear surface of the sliding plate 2125 along the extending direction of the sliding slot 2122.
  • the receiving groove 2127 communicates with the receiving groove 2126.
  • a positioning post 214 corresponding to the receiving groove 2127 is protruded from a side surface of the first frame body 21 facing the receiving groove 2126.
  • a mounting groove 215 for mounting the flexible screen 30 is disposed on a front surface of the first frame 21 .
  • the back surface of the guide plate 2125 is provided with two storage grooves 2127 which are parallel and spaced apart.
  • the first frame body 21 is convexly disposed on the side surface of the receiving groove 2126.
  • the second frame 23 is disposed on a side adjacent to the hinge device 25 with a second connecting portion 232 for connecting the hinge body 250 to the other side of the bending axis .
  • the second connecting portion 232 includes a connecting strip 2321 protruding from opposite ends of the second frame 23 adjacent to the hinge device 25, and connecting the two connecting strips A connecting plate 2325 between 2321.
  • Each connecting strip 2321 extends in a direction perpendicular to a bending axis of the hinge body 250, the connecting plate 2325 being adjacent to a front surface of the second frame 23, thereby connecting the connecting plate 2325 to the two
  • a connecting slot 2326 is defined between the strip 2321 and the second frame 23.
  • a plurality of connecting holes 2327 are defined in the connecting plate 2325.
  • a mounting slot 235 is defined in the front surface of the second frame 23 for mounting the flexible screen 30.
  • the front surface in the present application refers to the same surface as the light-emitting surface of the flexible screen 30, and the back surface refers to a surface opposite to the light-emitting surface of the flexible screen 30.
  • FIG. 5 is a perspective exploded view of the hinge device of the electronic device of FIG. 4;
  • FIG. 6 is a perspective exploded view of another embodiment of the hinge device of the electronic device of FIG. 5; It is an enlarged view of a portion VII in Fig. 6; and
  • Fig. 8 is an enlarged view of a portion VIII in Fig. 6.
  • the hinge device 25 further includes two link end cap mechanisms 255, two elastic members 26 and a positioning mechanism 27, and the two link end cap mechanisms 255 are respectively disposed at opposite ends of the hinge body 250.
  • the positioning mechanism 27 includes a plurality of elastic positioning members 28 and a plurality of magnetic members 29.
  • each of the elastic members 26 is a spring.
  • the elastic member 26 may be an elastic rubber or an elastic plastic or the like.
  • the hinge body 250 includes a plurality of links that are hingedly coupled to each other, and the front faces of the links are used to support the flexible screen 30.
  • the plurality of links include at least one first link 251, at least one second link 252, a third link 253, and a fourth link 254.
  • One side of the third link 253 is slidably coupled to the first frame 21, and one side of the fourth link 254 is coupled to the second frame 23.
  • the first link 251 is disposed between the third link 253 and the fourth link 254, and the second link 252 is disposed between the third link 253 and the first link 251 or on the fourth link 254 and the first link Between the links 251, adjacent links are hinged to each other.
  • At least one of the second links 252 is hinged to one side of the first link 251, and the third link 253 is hinged to the second link 252 or hinged to the first One link 251 is away from a side of the second link 252, the fourth link 253 is hinged to the second link 252 or hinged to the first link 251 away from the second link 252 One side.
  • the hinge body 250 includes one first link 251, two second links 252, one third link 253 and one fourth link 254, two
  • the second links 252 are respectively hinged on opposite sides of the first link 251, and the third link 253 is hinged to a side of the second link 252 away from the first link 252.
  • the fourth link 254 is hinged to a side of the other second link 252 that is away from the first link 252.
  • the first link 251 includes a body 2510 along a bending axis parallel to the hinge body 250.
  • the strip 2510 includes a circular arc-shaped front surface 2511, a back surface, and opposite side surfaces 2512. And two opposite end faces 2513.
  • the front surface 2511 and the two side surfaces 2512 are connected by two opposite first sliding surfaces 2514.
  • Each of the first guiding surfaces 2514 is a circular arc surface, and the circular arc faces the strip 2510.
  • the two first guiding surfaces 2514 are symmetrical along the center line of the front surface 2511.
  • a receiving hole 2515 is defined in each of the two end faces 2513 of each of the first guiding surfaces 2514.
  • Each of the end faces 2513 is respectively formed with a circular arc-shaped limiting groove 2517 adjacent to the two first guiding sliding surfaces 2514, and the arc of each limiting slot 2517 is parallel to the adjacent first guiding sliding surface.
  • the arc of 2514 that is, each of the limiting slots 2517 coincides with the center of the arc of the adjacent first guiding surface 2514.
  • a connecting hole 2518 is defined in each of the end faces 2513.
  • the connecting hole 2518 is located between the two limiting slots 2517.
  • a fixing slot 2501 is defined in each of the two opposite sides of the first link 251. Specifically, a fixing slot 2501 is defined in the intersection of the back surface of the first link 251 and the two side surfaces 2512.
  • the groove 2501 extends along the length direction of the first link 251. Specifically, each fixing groove 2501 is located at an intersection of a middle portion of the back surface of the first link 251 and the side surface 2512.
  • Each second link 252 includes a body 2520 extending parallel to a bending axis of the hinge body 250, the strip 2520 including a circular arc-shaped front surface 2521, a back surface, opposite side surfaces 2522, and a relative The two end faces 2523.
  • a second sliding surface 2524 having a circular arc shape is disposed between the front surface 2521 and one of the side surfaces 2522.
  • the second guiding sliding surface 2524 is recessed into the strip body 2520.
  • a receiving hole 2525 is defined in the second guiding surface 2524 adjacent to the two end faces 2523.
  • a guiding strip 2526 is protruded outwardly from the intersection of the front surface 2521 and the other side surface 2522.
  • the guiding strip 2526 extends along the length of the strip 2520, and the guiding strip 2526 faces away from the front surface.
  • An arc surface 2527 is disposed on one side of the 2521, and the arc surface 2527 is slidably attached to the first guide surface 2514, that is, the curvature of the circular arc surface 2527 and the first sliding surface
  • the curvature of the 2514 is the same.
  • Each of the end faces 2523 is provided with a circular arc-shaped limiting groove 2528 adjacent to the second guiding sliding surface 2524.
  • the circular arc of the limiting groove 2528 is parallel to the circular arc of the second guiding sliding surface 2524, that is, The limiting groove 2528 coincides with the arc center of the second guiding surface 2524.
  • a connecting hole 2529 is defined in each end surface 2523. Specifically, the connecting hole 2529 is located at a middle portion of the end surface 2523.
  • a fixing groove 2503 is defined in a side of each of the second links 252 facing the first link 251. Specifically, the intersection of the back surface of each of the second links 252 and the two side faces 2522 is respectively opened.
  • a fixing groove 2503, each fixing groove 2503 extends along a length direction of the second link 252. Specifically, each fixing groove 2503 is located at an intersection of a middle portion of the back surface of the second link 252 and the side surface 2522. .
  • FIG. 12 is a cross-sectional view taken along line XII-XII of FIG. 1, and FIG. 13 is an enlarged view of the portion along line XIII of FIG.
  • a first positioning hole 2502 and a second positioning hole 2504 are respectively spaced apart from each other by the arc surface 2527 of each of the second links 252, and the first positioning hole 2502 and the The second positioning hole 2054 corresponds to the receiving hole 2515 of the first link 251.
  • the first positioning hole 2502 and the second positioning hole 2504 are located on the same circular arc line of the circular arc surface 2527 , and the first positioning hole 2502 is away from the strip body 2520 , and the second positioning hole 2504 Adjacent to the strip 2520.
  • the third link 253 includes a body 2530 extending parallel to a bending axis of the hinge body 250, the strip 2530 including a circular arc-shaped front surface 2531, a back surface, opposite side surfaces 2532, and a relative The two end faces 2533.
  • a guide strip 2534 protrudes outwardly from the intersection of the front surface 2531 and one of the side surfaces 2532.
  • the guide strip 2534 extends along the length of the strip 2530, and the guide strip 2534 faces away from the front surface.
  • An arc surface 2535 is disposed on one side of the 2531, and the circular arc surface 2535 can be attached to the second sliding surface 2524, that is, the circular arc of the circular arc surface 2535 and the second sliding surface 2524 The arc is the same.
  • a connecting hole 2536 is defined in each end surface 2533. Specifically, the connecting hole 2536 is located at a middle portion of the end surface 2533.
  • a mounting portion is disposed on the side surface 2532 of the strip 2530 facing away from the guiding strip 2534 , and the mounting portion is slidably coupled to the first connecting portion 212 of the first frame 21 .
  • the mounting portion includes a sliding plate 2537 protruding from the side surface 2532 and at least one protrusion 2538 protruding from the sliding plate 2537.
  • the opposite ends of the sliding plate 2537 are slidably inserted into the sliding slots 2122 of the two connecting strips 2121 of the first frame body 21, and the at least one protruding block 2538 corresponds to the first frame.
  • a fixing groove 2505 is defined at an intersection of the back surface of the third link 253 and the side surface 2532 of the guide strip 2534.
  • the fixing groove 2505 extends along the longitudinal direction of the third link 253. Specifically, the fixing groove 2505 is located at an intersection of a middle portion of the back surface of the third link 253 and the side surface 2532.
  • the first locating hole 2502 and the second locating hole 2504 are respectively spaced apart from each other by the arcuate surface 2535 of the third link 253.
  • the first locating hole 2502 and the The second positioning hole 2054 corresponds to the receiving hole 2525 of the second link 252.
  • the first positioning hole 2502 and the second positioning hole 2504 are located on the same circular arc line of the circular arc surface 2535 , and the first positioning hole 2502 is away from the strip body 2530 , and the second positioning hole 2504 Adjacent to the strip 2530.
  • the two sliding blocks 2537 are provided with two spaced apart protrusions 2538.
  • the two of the protruding blocks 2538 correspond to the two positioning posts 214 on the first frame body 21.
  • the fourth link 254 includes a body 2540 extending parallel to a bending axis of the hinge body 250, the strip 2540 including a circular arc-shaped front surface 2541, a back surface, opposite side surfaces 2542, and a relative The two end faces 2543.
  • a guide strip 2544 is protruded outwardly from the front surface 2541 and one of the side surfaces 2542.
  • the guide strip 2544 extends along the length of the strip 2540, and the guide strip 2544 faces away from the front surface 2541.
  • One side of the arc surface 2545 is disposed, and the circular arc surface 2545 can be attached to the second sliding surface 2524, that is, the circular arc of the circular arc surface 2545 and the second sliding surface 2524 The arc is the same.
  • a connecting hole 2546 is defined in each end surface 2543. Specifically, the connecting hole 2546 is located at a middle portion of the end surface 2543.
  • a mounting portion is disposed on a side surface 2542 of the strip body 2540 facing away from the guide strip 2544, and the mounting portion is coupled to the second connecting portion 232 of the second frame body 23.
  • the mounting portion includes a mounting plate 2547 protruding from the side surface 2542.
  • the mounting plate 2547 is provided with a plurality of connecting holes 2548.
  • a fixing groove 2506 is defined at an intersection of a rear surface of the fourth link 254 and a side surface 2542 provided with the guide bar 2544, and the fixing groove 2506 extends along a length direction of the fourth link 254. Specifically, the fixing groove 2506 is located at an intersection of a middle portion of the back surface of the fourth link 254 and the side surface 2542.
  • the first locating hole 2502 and the second locating hole 2504 are respectively spaced apart from each other by the arcuate surface 2545 of the fourth link 254, and the first locating hole 2502 and the The second positioning hole 2054 corresponds to the receiving hole 2525 of the second link 252.
  • the first positioning hole 2502 and the second positioning hole 2504 are located on the same circular arc line of the circular arc surface 2545.
  • the first positioning hole 2502 is away from the strip body 2540, and the second positioning hole 2504 Adjacent to the strip 2540.
  • Each link end cap mechanism 255 includes at least one first link end cap member 256, at least one second link end cap member 257, and two third link end cap members 258. At least one of the first link end cap members 256 is disposed on one of the end faces 2513 of the at least one first link 251; at least one of the second link end cap members 257 is disposed on at least one of the second links One end surface 2523 of the knuckle 252 is rotatably connected to the first link end cover member 256; the two third link end cover members 258 are respectively disposed on one of the end faces 2533 of the third link 253 One end surface 2543 of the fourth link 254, wherein a third link end cover 258 is rotatably coupled to the first link end cover 256 or the second link end cover 257, and the other The third link end cap 258 is rotatably coupled to the first link end cover 256 or the second link end cover 257.
  • the hinge device 25 includes two link end cap mechanisms 255 , and each link end cap mechanism 255 includes one first link end cover member 256 .
  • the first link end cover member 256 can be fixed to the end surface 2513 of the first link 251, and the two second link end cover members 257 can be respectively fixed to the two second link 252.
  • the end surface 2523 of the end, the two third link end caps 258 can be respectively fixed to the end surface 2533 of the third link 253 and the end surface 2543 of the fourth link 254. Adjacent link end caps are hinged to each other.
  • the first link end cover member 256 includes a cover plate 2560, and the shape and size of the cover plate 2560 facing the end surface of the first link 251 and the shape of the end surface 2513 of the first link 251 And the same size.
  • the cover plate 2560 includes a front surface 2561 of a circular arc shape, a back surface, two opposite side surfaces 2562, and two opposite end surfaces 2563.
  • the front surface 2561 and the opposite two side surfaces 2562 are connected by two opposite sliding surfaces 2564.
  • Each guiding surface 2564 is a circular arc surface, and the circular arc surface corresponds to the first link 251.
  • the arc of one guide surface 2514 is the same.
  • the two guide surfaces 2564 are symmetrical along the center line of the front surface 2561.
  • the cover plate 2560 faces the end surface 2563 of the first link 251 adjacent to the two guide sliding surfaces 2564 respectively, and has a circular arc-shaped guide groove 2567, and each arc of the guide groove 2567 is adjacent to the arc.
  • the arcs of the proximal guide surfaces 2564 are parallel, that is, each of the guide grooves 2567 coincides with the center of the arc of the adjacent guide surfaces 2564.
  • Each of the guide chutes 2567 is passed through the adjacent guide surface 2564.
  • the cover plate 2560 is provided with a counterbore 2568 opposite to the end surface 2563 of the first link 251.
  • the counterbore 2568 passes through the cover plate 2560. Specifically, the counterbore 2568 is located at two Between the guide slots 2567.
  • Each of the second link end cap members 257 includes a cover plate 2570, the shape and size of the cover plate 2570 facing the end face of the second link 252 and the shape of the end face 2523 of the second link 252 and The size is similar.
  • the cover plate 2570 includes a front surface 2571 of a circular arc shape, a back surface, two opposite side surfaces 2572, and two opposite end surfaces 2573. An intersection of the front surface 2571 and one of the side surfaces 2572 is provided with a circular arc-shaped guide surface 2574, and the arc of the guide surface 2574 and the corresponding second guide surface 2524 of the second link 252 The arc is the same.
  • a guide strip 2576 is outwardly disposed at an intersection of the front surface 2571 and the other side surface 2572.
  • the side of the guide strip 2576 facing away from the front surface 2571 is provided with a circular arc surface 2577, and the circular arc surface 2577 can The arc of the arcuate surface 2577 is the same as the arc of the guide surface 2564.
  • An L-shaped limiting block 2575 is protruded outwardly from the circular arc surface 2577, and the limiting block 2575 includes a connecting portion protruding from the circular arc surface 2577, and the end portion of the connecting portion is oriented toward the end
  • the limiting portion extending from one side of the second link 252 is slidably received in the guiding slot 2567 of the first link end cover 256, and the limiting portion is slidably received In the limiting slot 2517 of the first link 251.
  • the cover plate 2570 faces the end surface 2573 of the second link 252 adjacent to the circular arc surface 2574 and is provided with a circular arc-shaped guide groove 2578.
  • the arc of the guide groove 2578 and the guide roller The arc of the surface 2574 is parallel, that is, the guide groove 2578 coincides with the center of the arc of the guide surface 2574, and the guide groove 2578 passes through the guide surface 2574.
  • the cover plate 2570 is provided with a counterbore 2579 opposite to the end surface 2573 of the second link 252, and the counterbore 2579 passes through the cover plate 2570.
  • Each of the third link end cap members 258 includes a cover plate 2580.
  • the cover plate 2580 includes a circular front surface 2581, a back surface, opposite side surfaces 2582, and opposite end surfaces 2583.
  • a guiding strip 2586 is protruded outwardly from the intersection of the front surface 2581 and one of the side surfaces 2582.
  • the side of the guiding strip 2586 facing away from the front surface 2581 is provided with a circular arc surface 2587, and the circular arc surface 2587 can It is attached to the guide surface 2574 of the second link end cover 257, that is, the arc of the circular arc surface 2587 is the same as the arc of the guide surface 2574.
  • An L-shaped limiting block 2585 is outwardly convexly disposed on the circular arc surface 2587, and the limiting block 2585 includes a connecting portion protruding from the circular arc surface 2587, and a direction from the end of the connecting portion a limiting portion extending from the hinge main body 250, wherein the connecting portion is slidably received in the guiding slot 2578 of the second link end cover member 257, and the limiting portion is slidably received in the first portion
  • the two links 252 are within the limiting slot 2528.
  • a cover hole 2589 is defined in the end surface 2583 of the cover plate 2580 facing away from the hinge body 250, and the counterbore hole 2589 passes through the cover plate 2580.
  • FIG. 9 is an enlarged view of the positioning member of FIG. 7.
  • the positioning members 28 are respectively disposed between the links of the hinge main body 250, that is, a positioning member 28 is disposed between each adjacent two of the links, and the positioning members 28 are used for positioning the hinge device. Bent state or expanded state. Specifically, the positioning members 28 are slidably received in the receiving holes 2515 of the first link 251 and the receiving holes 2525 of the second link 252.
  • the positioning member 28 has elasticity. When the positioning member 28 is pressed, it is retracted into the receiving holes 2515, 2525. When the pressing of the positioning member 28 is released, the positioning member 28 is elastically reset.
  • the positioning member 28 includes a positioning rod 282 slidably received in the receiving hole 2515, 2525, and an elastic member 284 sleeved on the positioning rod 282.
  • the elastic member 284 is elastically abutted between the positioning rod 282 and the back surface of the corresponding receiving hole 2515, 2525.
  • the elastic member 284 forces the positioning rod 282 to move outward to protrude from the corresponding receiving hole 2515. 2525.
  • One end of the positioning rod 282 away from the elastic member 284 is provided with a spherical convex hull 285.
  • the elastic member 284 forces the positioning rod 282 to move outward to extend the convex hull 285 to the corresponding receiving hole 2515, 2525. .
  • the area of the hinge main body 250 is always kept in an unfolded state, so that the hinge main body 250 is automatically maintained in an unfolded state; when the positioning member 28 is convex
  • the area of the hinge main body 250 is always kept in a bent state, so that the hinge main body 250 is automatically maintained in a bent state.
  • the elastic member 284 is a spring.
  • each of the positioning members 28 is an elastic positioning bead.
  • the elastic positioning beads can be respectively engaged in the corresponding receiving holes 2515 and 2525, and the beads of the elastic positioning bead protrude from the corresponding receiving holes 2515 and 2525.
  • each of the first guiding surfaces 2514 of the first link 251 is respectively provided with a first positioning hole and a second positioning hole spaced apart from each other, the first positioning hole and the second positioning hole.
  • the positioning hole is located on the same circular arc line of the first guiding surface 2514, the first positioning hole is adjacent to a side of the front surface 2511, and the second positioning hole is away from a side of the front surface 2511.
  • An elastic positioning member 28 is disposed on the circular arc surface 2527 of each second link 252. When the hinge main body 250 is in an unfolded state, the positioning member 28 is positioned in the first positioning hole when the When the hinge body 250 is in a bent state, the positioning member 28 is positioned in the second positioning hole.
  • the second guiding surface 2524 of each of the second links 252 is respectively provided with a first positioning hole and a second positioning hole spaced apart from each other, the first positioning hole and the second positioning hole. Located on the same circular arc line of the second sliding surface 2524, the first positioning hole is adjacent to one side of the front surface 2521, and the second positioning hole is away from a side of the front surface 2521.
  • An arcuate surface 2535 of the third link 253 or a circular arc surface 2545 of the fourth link 254 is provided with an elastic positioning member 28, and when the hinge main body 250 is in an unfolded state, the positioning member 28 is positioned at the In the first positioning hole, when the hinge main body 250 is in a bent state, the positioning member 28 is positioned in the second positioning hole.
  • a plurality of said magnetic members 29 may be a plurality of pairs of magnetic strips that are mutually adsorbable.
  • the magnetic members 29 are respectively disposed on the plurality of links of the hinge main body 250 such that a pair of the magnetic members 29 are disposed between each adjacent two of the links.
  • the magnetic members 29 can be respectively fixed in the fixing grooves 2501, 2503, 2505, 2506.
  • a plurality of the magnetic members 29 are four pairs of magnetic strips that can adsorb each other.
  • the plurality of magnetic members 29 are a plurality of pairs of magnet strips and iron strips that are mutually adsorbable, and each pair of the magnet strips and the iron strips are respectively disposed between two adjacent ones of the links.
  • a support piece 35 is attached to the back surface of the flexible screen 30, and the support piece 35 covers the bendable area 31 of the flexible screen 30.
  • the support sheet 35 may be a thin metal sheet such as a copper foil, a liquid metal sheet, a memory alloy sheet, a plastic sheet or other conforming material.
  • the support piece 35 is a liquid metal piece.
  • liquid metal refers to heating the alloy to a molten state and then cooling at an ultra-fast cooling rate, so that the crystal lattice of the alloy is less than ordered and crystallized, and is solidified because it is amorphous, like glass, so it is called It is an amorphous alloy, a liquid metal or a metallic glass.
  • the characteristics of liquid metal are long-range disorder (short-range order), metastable state, a certain degree of physical property isotropic, no exact melting point, glass transition temperature point, etc., with solid, metal, glass characteristics, can be Under certain conditions, it has high strength, high hardness, plasticity, heat conduction and wear resistance.
  • the liquid metal referred to in the present invention is substantially solid at normal temperature, except that some of its characteristics are close to liquid, so it is called liquid metal.
  • the liquid metal may be an alloy material of one or more materials of copper, titanium, iron, zirconium, silver, nickel, gallium, gold, lanthanum, cadmium, zinc, indium, silicon, etc., and the specific metal is preferably lower. Other mechanical properties such as modulus of elasticity, hardness, and elongation.
  • the reason why the liquid metal piece is selected as the support piece 35 in this embodiment is that the liquid metal piece has better wear resistance.
  • the support piece 35 can effectively resist the friction generated by the hinge device 25, and the wear is less likely to occur; on the other hand, the elastic modulus of the liquid metal piece is low, and the electronic device 100 passes the When the hinge device 25 is bent, the support piece 35 can follow the flexible screen 30 to be synchronized or approximately synchronously stretched, thereby preventing the flexible screen 30 from being damaged due to a large difference in the stretching amplitude when bending.
  • the liquid metal may be selected from copper, titanium, iron, zirconium, silver, nickel, gallium, gold, sulfonium, cadmium, zinc, indium, silicon, etc. liquid metals, and For existing materials with lower elastic modulus, such as silica gel, foam, plastic, etc., the liquid metal has higher strength and better wear resistance, and can effectively support the flexible screen.
  • the hinge body 250 is assembled first, that is, a plurality of the positioning members 28 are respectively mounted on the receiving holes 2515 of the first link 251 and the receiving holes of the second link 252.
  • each positioning member 28 can slide along the corresponding receiving holes 2515, 2525, and the convex bag 285 protrudes from the corresponding receiving holes 2515, 2525.
  • the second link 252 is rotatable relative to the first link 251 along the first axis L1 (shown in FIG.
  • the first axis L1 is the axis of the virtual axis, and the first axis L1 is located at the The inside of the flexible screen 30, specifically, the first axis L1 is located at the back of the flexible screen 30 and is close to the flexible screen 30.
  • the arcuate surface 2527 of each of the second links 252 is attached to the first sliding surface 2514 of the first link 251, so that the convex hulls 285 of the positioning members 28 on the first link 251 are respectively
  • the first positioning hole 2502 of the corresponding second link 252 is engaged; at this time, the third link 253 is rotatable relative to the corresponding second link 252 along the second axis L2 (shown in FIG. 11).
  • the second axis L2 is an axis of the virtual axis, and the two axes L2 are located inside the flexible screen 30. Specifically, the first axis L2 is located at the back of the flexible screen 30 and is adjacent to the flexible screen 30.
  • the circular arc surface 2535 of the third link 253 is attached to the second sliding surface 2524 of one of the second links 252, so that the convex hull 285 of the positioning member 28 on the second link 252 is engaged.
  • the first positioning hole 2502 of the third link 253; the arc surface 2545 of the fourth link 254 is further attached to the second sliding surface 2524 of the other second link 252, so that the second chain
  • the convex hull 285 of the positioning member 28 on the segment 252 is snapped into the first positioning hole 2502 of the corresponding fourth link 254; at this time, the fourth link 254 can be along the second axis with respect to the corresponding second link 252.
  • L2 is rotated, the second axis L2 is an axis of a virtual axis, and the two axes L2 are located inside the flexible screen 30. Specifically, the first axis L2 is located on the back of the flexible screen 30 and close to the flexible screen. 30.
  • each link end cap mechanism 255 Reassembling each link end cap mechanism 255, that is, sliding the arcuate faces 2577 of the two second link end cap members 257 to the two of the first link end cap members 256
  • the limiting block 2575 of each second link end cover member 257 is received in the guiding slot 2567 of the first link end cover member 256, and each limiting block 2575 is disposed on the guiding surface 2564.
  • the connecting portion is received in the guiding slot 2567, and the limiting portion of each limiting block 2575 protrudes from the end surface 2563 of the first link end cover member 256; the arc of the two third link end cover members 258
  • the surface 2587 is slidably attached to the sliding surfaces 2574 of the two second end caps 257, so that the limiting block 2585 of each third end cap 258 is received in the corresponding second chain.
  • the guide groove 2578 of the end cover member 257, the connecting portion of each limiting block 2585 is received in the guiding slot 2578, and the limiting portion of each limiting block 2585 protrudes from the corresponding second link end cover member 257. End face 2573.
  • the two end link end mechanisms 255 are respectively connected to opposite ends of the hinge main body 250, that is, the limiting portion of the limiting block 2575 of each second link end cover member 257 is slidably inserted into the The corresponding limiting slot 2517 of the first link 251 is slidably inserted into the corresponding limiting slot of the corresponding second link 252.
  • each first link end cover member 256 is attached to the end surface 2513 of the first link 251 and the counterbore 2568 of the first link end cover member 256 faces the connection hole 2518;
  • the second link end cover member 257 is attached to the end surface 2523 of the second link 252 and the counterbore 2579 of the second link end cover member 257 faces the connection hole 2529; wherein the two third link end covers
  • the pieces 258 are respectively attached to the end surface 2533 of the third link 253, and the counterbore 2589 of each third link end cover 258 faces the connecting hole 2536, and the other two of the third link end caps 258 Attached to the end surface 2543 of the fourth link 254, respectively, and the counterbore 2589 of each third link end cap 258 is respectively opposite to the corresponding connecting hole 2546;
  • a plurality of fasteners respectively pass through the counterbore 25 68, 2579, 2589 are locked in the corresponding connecting holes 2518, 2529, 2536, 2546, so that the first link 251, the second
  • the convex hulls 285 of the positioning members 28 on the two sides of the first link 251 are respectively engaged in the corresponding first positioning holes 2502 of the two second links 252, wherein a second link 252
  • the convex hull 285 of the upper positioning member 28 is engaged in the first positioning hole 2502 of the third link 253, and the convex hull 285 of the positioning member 28 on the other second link 252 is engaged with the first of the fourth link 254.
  • each second link end The limiting portion of the limiting block 2575 on the cover member 257 abuts against the end of the corresponding limiting slot 2517 away from the front surface 2511, and the limiting portion of the limiting block 2585 on each third link end cover member 258 is abutted.
  • the corresponding limiting slot 2528 is away from the end of the front surface 2521, so that the first link end cover member 256, the second link end cover member 257 and the third link end cover member 258 are connected in a horizontal state.
  • a plurality of the magnetic members 29 are respectively fixed to the fixing groove 2501 of the first link 251, the fixing groove 2503 of the second link 252, the fixing groove 2505 of the third link 253, and the fourth link 254.
  • the fixing groove 2506 is inside.
  • a pair of mutually adsorbing magnetic members 29 are formed between the first link 251 and each of the second links 252, and a pair of mutually adsorbing magnetic members 29 are formed between the second link 252 and the third link 253.
  • a pair of mutually adsorbed magnetic members 29 are formed between the other second link 252 and the fourth link 254.
  • each of the magnetic members 29 is fixed in the corresponding fixing groove by means of glue connection.
  • the magnetic member may be fixed in the corresponding fixing groove by snapping or screwing.
  • the back surfaces of the two non-bending regions 33 of the flexible screen 30 are respectively attached to the mounting grooves 215 of the first frame 21 and the mounting grooves 235 of the second frame 23 to bend the bendable region 31 of the flexible screen 30.
  • the back surface may be attached to the front surface of the hinge main body 250.
  • the bendable region 31 of the flexible screen 30 may be bent with the bending of the hinge main body 250, and the two elastic members 26 elastically urge the first frame 21 away from the hinge main body 250.
  • the flexible screen 30 in an unfolded state not only can compensate the tolerance of the hinge device 25 in a direction perpendicular to its bending axis, but also prevent the flexible screen 30 from being separated from the hinge body 250 and arched. To avoid damage to the flexible screen.
  • FIG. 15 is a perspective view showing the bent state of the electronic device of FIG. 1.
  • FIG. 16 is a cross-sectional view taken along line XVI-XVI of FIG. 15, and
  • FIG. 17 is taken along line XVII- of FIG.
  • Fig. 18 is a cross-sectional view taken along line XVIII-XVIII of Fig. 15.
  • the first positioning hole 2502 is slid and slides along the corresponding circular arc surface 2527, and the elastic member 284 of each positioning member 28 is elastically deformed; the circular arc surfaces 2527 of the two second links 252 are respectively along the The two first guiding surfaces 2514 of the first link 251 are rotated to be close to each other, and the circular arc faces 2577 of the two second link end covers 257 are respectively along the two ends of the first link end cover 256.
  • the guiding surfaces 2564 are rotated to be close to each other; the connecting portion of the limiting block 2575 on each second link end cover 257 slides along the guiding slot 2567 of the corresponding first link end cover 256, and the The limiting portion of the limiting block 2575 slides along the corresponding limiting slot 2517 of the first link 251; and the magnetic members 29 between the first link 251 and the second link 252 are close to each other to increase the attractive force. .
  • each of the positioning members 28 on the second link 252 is disengaged from the corresponding first positioning hole 2502 on the third link 253 and slides along the circular arc surface 2535, each positioning
  • the elastic member 284 of the member 28 is elastically deformed; the circular arc surface 2535 of the third link 253 is rotated along the second sliding surface 2524 of the corresponding second link 252 to move toward the middle of the hinge main body 250, and is connected.
  • the circular arc surface 2587 of each third link end cover 258 on the third link 253 rotates along the guide surface 2574 of the corresponding second link end cover 257 toward the hinge body 250.
  • the elastic member 284 of a positioning member 28 is elastically deformed; the circular arc surface 2545 of the fourth link 254 is rotated along the second sliding surface 2524 of the corresponding second link 252 to move toward the middle of the hinge main body 250.
  • the arcuate surface 2587 of each of the third link end caps 258 connected to the fourth link 253 is rotated along the guide surface 2574 of the corresponding second link end cover 257 toward the hinge body.
  • the middle portion of the 250 is moved; the connecting portion of the limiting block 2585 attached to each of the third link end cap members 258 on the fourth link 254 is along the guide chute of the corresponding second link end cap member 257 2578 slides, and the limiting portion of the limiting block 2585 slides along the corresponding limiting slot 2528 of the second link 252; and the magnetic members 29 between the fourth link 254 and the second link 252 are close to each other. Increase the appeal.
  • the elastic members 284 of the positioning member 28 are elastically reset and are engaged in the corresponding second positioning holes 2504, each of the limiting blocks 2575
  • the corresponding limiting slot 2517 slides against the end of the limiting slot 2517 adjacent to the front surface 2511, and the magnetic members 29 between the first link 251 and each of the second links 252 are attached to each other.
  • the convex hull 285 of the positioning member 28 on one of the second links 252 passes over the arc top of the circular arc surface 2535 of the third link 253, and the magnetic property between the second link 252 and the third link 253
  • the member 29 is magnetically attracted such that the circular arc surface 2535 of the third link 253 continues to slide along the second guide sliding surface 2524 toward the middle of the hinge main body 250, and the elastic member 284 of the positioning member 28 is elastically reset.
  • the third link 253 is pushed to move toward the middle of the hinge body 250 until the convex hull 285 of the positioning member 28 on the second link 252 faces the second positioning hole on the third link 253, respectively.
  • the elastic member 284 of the positioning member 28 is elastically reset and is inserted into the corresponding second positioning hole 2504.
  • Each of the limiting blocks 2585 slides along the corresponding limiting slot 2528 to abut the top surface of the limiting slot 2528 adjacent to the front surface 2521.
  • the magnetic members 29 between the second link 252 and the third link 253 are attached to each other for adsorption.
  • the convex hull 285 of the positioning member 28 on the other second link 252 passes over the arc top of the circular arc surface 2545 of the fourth link 254, and the magnetic property between the second link 252 and the fourth link 254
  • the member 29 is magnetically attracted to cause the arcuate surface 2545 of the fourth link 254 to continue to slide along the second guide surface 2524 to move toward the middle of the hinge body 250, and the elastic member 284 of the positioning member 28 is elastically reset.
  • the fourth link 253 is pushed to move toward the middle of the hinge body 250 until the convex hull 285 of the positioning member 28 on the second link 252 faces the second positioning hole on the fourth link 254, respectively.
  • the elastic member 284 of the positioning member 28 is elastically reset and is inserted into the corresponding second positioning hole 2504.
  • Each of the limiting blocks 2585 slides along the corresponding limiting slot 2528 to abut the top of the limiting slot 2528 adjacent to the front surface 2521.
  • One end of the magnetic member 29 between the second link 252 and the fourth link 254 is attached to each other.
  • the hinge main body 250 is bent, and the flexible screen 30 is bent with the hinge main body 250; the convex hulls 285 of the positioning members 28 are respectively inserted into the corresponding second positioning holes 2504 and the magnetic members 29 Adjacent to each other, the electronic device 100 is kept in a bent state; the sliding plate 2537 slides in the direction of the first frame 21, and the sliding plate 2537 pushes the elastic member 26 to compress the elastic member 26; the first chain
  • the front surface 2511 of the joint 251, the front surface 2521 of the two second links 252, and the front surface 2531 of the two third links 253 are connected to each other to form an arcuate curved surface, that is, the front surface 2511 of the first link 251.
  • the front surface 2521 of the two second links 252 and the front surface 2531 of the two third links 253 have a circular arc surface to facilitate the fitting of the flexible screen 30; the first link end cover The front surface 2561 of the piece 256, the front surface 2571 of the two second link end cover members 257 and the front surface 2581 of the two second link end cover members 258 are connected to each other to form an arcuate curved surface, that is, the first a front surface 2561 of the link end cap member 256, a front surface 2571 of the two second link end cover members 257, and two of the second link ends
  • the front surface 2581 of the cover member 258 has a circular arc surface to facilitate the fitting of the flexible screen 30; the first frame 21 rotates with the third link 253, and the second frame 23 follows The fourth links 254 are rotated to approach each other.
  • the first frame 21 and the second frame 23 are pulled outward, and the convex hull 285 of each positioning member 28 on a second link 252 is disengaged from the third
  • the second positioning hole 2504 of the link 253 is slid along the corresponding circular arc surface 2535, and the elastic member 284 of each positioning member 28 is elastically deformed, and the circular arc surface 2535 of the third link 253 is corresponding.
  • the second guide surface 2524 of the second link 252 rotates to move away from the middle portion of the hinge main body 250, and is connected to the circular arc surface of each third link end cover 258 on the third link 253.
  • each positioning member 28 on the other second link 252 is disengaged from the second positioning hole 2504 of the fourth link 254 and slides along the corresponding circular arc surface 2545, and each positioning member 28
  • the elastic member 284 is elastically deformed, and the circular arc surface 2545 of the fourth link 254 rotates along the second sliding surface 2524 of the corresponding second link 252 to move away from the middle portion of the hinge main body 250, and is connected to the
  • the circular arc surface 2587 of each third link end cover 258 on the fourth link 254 rotates along the guide surface 2574 of the corresponding second link end cover 257 toward the middle away from the hinge main body 250.
  • each positioning member 28 on the first link 251 is disengaged from the corresponding first positioning hole 2502 on the second link 252 and slides along the corresponding circular arc surface 2527, each positioning
  • the elastic member 284 of the member 28 is elastically deformed; the arcuate faces 2527 of the two second links 252 are respectively rotated along the two first guiding surfaces 2514 of the first link 251 to move away from each other.
  • the circular arc surface 2577 of the second link end cover member 257 is respectively rotated away from each other along the two guide sliding surfaces 2564 of the first link end cover member 256; each of the second link end cover members 257
  • the connecting portion of the limiting block 2575 slides along the guiding slot 2567 of the corresponding first link end cover 256, and the limiting portion of the limiting block 2575 slides along the corresponding limiting slot 2517 of the first link 251.
  • the magnetic members 29 between the first link 251 and the second link 252 are desorbed by the external force and moved away from each other to continuously reduce the magnetic force.
  • the first positioning hole 2502 of the second link 252, the elastic member 284 of the positioning member 28 is elastically reset, so that the convex hull 285 is inserted into the corresponding first positioning hole 2502, and each limiting block 2575 is along the corresponding limiting slot 2517. Sliding against the end of the limiting slot 2517 away from the front surface 2511, the first link 251 and the two second links 252 are horizontal.
  • the convex hull 285 of the positioning member 28 on one of the second links 252 passes over the arc top of the circular arc surface 2535 of the third link 253, and the magnetic member 29 between the third link 252 and the second link 252
  • the magnetic force reduces the abutting force of the elastic member 284 of the positioning member 28 against the circular arc surface 2535, so that the circular arc surface 2535 of the third link 253 continues to slide along the second sliding sliding surface 2524 toward away from the hinge main body 250.
  • the central portion moves until the convex hull 285 of the positioning member 28 on the second link 252 faces the first positioning hole 2502 on the third link 253, and the elastic member 284 of the positioning member 28 is elastically reset so that the convex hull 285 is stuck.
  • each limiting block 2585 slides along the corresponding limiting slot 2528 to abut the end of the limiting slot 2528 away from the front surface 2521.
  • the third link 253 and the first The link 251 and the second link 252 are horizontal.
  • the convex hull 285 of the positioning member 28 on the other second link 252 passes over the arc top of the circular arc surface 2545 of the fourth link 254, and the magnetic member 29 between the fourth link 254 and the second link 252
  • the magnetic force reduces the abutting force of the elastic member 284 of the positioning member 28 against the circular arc surface 2545, so that the circular arc surface 2545 of the fourth link 254 continues to slide along the second sliding sliding surface 2524 toward away from the hinge main body 250.
  • each limiting block 2585 slides along the corresponding limiting slot 2528 to abut the end of the limiting slot 2528 away from the front surface 2521.
  • the fourth link 254 and the first The link 251, the second link 252, and the third link 253 are horizontal.
  • the hinge body 250 is unfolded, the flexible screen 30 is flattened with the hinge body 250, and the plurality of the magnetic members 29 are spaced apart from each other; the positioning members 28 are respectively inserted into the corresponding first positioning holes 2502.
  • the electronic device 100 protects the unfolded state, the second link, the first link, the second link, the first link, the second link, the second link, the third link, the third link, the second link, the third link, and the second link.
  • the hinge device 25 can be held in the bent position by the mutual attraction of the magnetic members 29, thereby preventing the rebound opening phenomenon due to the weight of the whole machine or other reasons in the bent state. Thereby, the hinge device 25 can automatically maintain the bent state. Also, the magnetic member 29 is located on the hinge device 25 without occupying the internal space of the casing 20, facilitating the arrangement of other electronic components inside the casing 20. Further, the magnetic member 29 is located outside the casing 20 to effectively prevent the magnetic force of the magnetic member 29 from affecting the electromagnetic performance of other electronic components inside the casing 20, ensuring that it can work normally.
  • the positioning member 20 of the embodiment of the present invention can position the hinge device 25 in the bending position and the unfolding position respectively, and the elastic force generated by the positioning member 20 can make the state of the hinge device 25 in the bending position and the deployment position relatively stable, that is, the need A certain initial force is applied to cause the hinge device 25 to deform, so that it is not easily affected by its own gravity and accidentally unfolds or bends.
  • the term "relative sliding” as used in the present invention does not limit the direct contact and relative sliding between two elements, but may also include the relative sliding of the third-party elements, and the third-party elements are not limited to the physical elements, such as Materials, membranes, etc., but may also contain non-physical elements, such as gaps, spaces, etc., or a combination of physical and non-physical elements; third-party elements are not limited to one, but may contain multiple. That is, as long as the two elements have a relatively sliding motion relationship, regardless of the actual position of the two elements, it can be considered to be within the scope of the "relative sliding" referred to in the present invention.

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Abstract

一种电子装置，包括柔性屏（30）及壳体（20），所述壳体包括第一框体（21）、第二框体（23）及铰链装置（25），所述铰链装置（25）连接于所述第一框体（21）与所述第二框体（23）之间，用于支撑设置于壳体（20）上的柔性屏（30），所述铰链装置（25）包括铰链主体（250）及设置于所述铰链主体（250）上的定位机构（27），所述定位机构（27）用于保持所述铰链装置（25）的形态；还涉及一种具有所述电子装置的壳体以及铰链装置。

Description

铰链装置、壳体及电子装置 技术领域
本申请涉及柔性屏支撑领域，尤其涉及一种支撑柔性屏的铰链装置、设置有所述铰链装置的壳体，以及设置有所述壳体的电子装置。
背景技术
随着柔性屏的发展，消费者对于显示装置的显示方式、显示效果等需求越来越多样化、个性化。柔性显示屏相对于传统的显示装置而言，具有可弯折、透明、曲面、柔性和可拉伸等优点，广泛地受到消费者的青睐。现有的折叠式显示屏的电子装置一般通过铰链来实现对柔性屏的支撑及弯折。所述铰链一般由若干链节连接组成。然而，链节之间均为活动连接，铰链无法保持住特定的形态而容易发生变形，使用不方便。
发明内容
本申请提供一种能保持形态的铰链装置、设置有所述铰链装置的壳体，以及设置有所述壳体的电子装置。
本申请提供的一种铰链装置，位于壳体的第一框体及第二框体之间，用于支撑设置于壳体上的柔性屏，所述铰链装置包括铰链主体及设置于所述铰链主体上的定位机构，所述定位机构用于保持所述铰链装置的形态。
本申请还提供一种壳体，包括第一框体、第二框体及铰链装置，所述铰链装置连接于所述第一框体与所述第二框体之间，所述铰链装置用于支撑设置于壳体上的柔性屏，所述铰链装置包括铰链主体及设置于所述铰链主体上的定位机构，所述定位机构用于保持所述铰链装置的形态。
本申请还提供一种电子装置，包括柔性屏及壳体，所述壳体包括第一框体、第二框体及铰链装置，所述铰链装置连接于所述第一框体与所述第二框体之间，用于支撑设置于壳体上的柔性屏，所述铰链装置包括铰链主体及设置于所述铰链主体上的定位机构，所述定位机构用于保持所述铰链装置的形态。
本申请电子装置的所述铰链装置包括铰链主体及设置于所述铰链主体上的定位机构，所述定位机构用于定位所述铰链装置呈弯折状态或展开状态。因此，所述定位机构能够定位所述铰链装置保持弯折状态或展形状态，从而使所述电子装置能自动保持展开状态或弯折状态。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请其中一实施例中的电子装置的立体结构示意图。
图2是图1中的电子装置的另一视角立体结构示意图。
图3是图1中的电子装置的立体分解示意图。
图4是图2中的电子装置的立体分解示意图。
图5是图4中的电子装置的铰链装置的立体分解示意图。
图6是图5中的电子装置的铰链装置的另一视角的立体分解示意图。
图7是图6中的VII部分的放大图。
图8是图6中的VIII部分的放大图。
图9是图7中的其中一定位件的放大图。
图10是图5中的铰链装置的局部放大示意图。
图11是图1中沿XI-XI线的剖视图。
图12是图1中沿XII-XII线的剖视图。
图13是图12中沿XIII部分的放大图。
图14是图1中沿XIV-XIV线的剖视图。
图15是图1中的电子装置的弯折状态的立体示意图。
图16是图15中沿XVI-XVI线的剖视图。
图17是图15中沿XVII-XVII线的剖视图。
图18是图15中沿XVIII-XVIII线的剖视图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例的描述中，需要理解的是，术语“上”、“下”“左”“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是暗示或指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
请一并参阅图1至图4，图1是本申请其中一实施例中的电子装置的立体结构示意图；图2是图1中的电子装置的另一视角立体结构示意图；图3是图1中的电子装置的立体分解示意图；图4是图2中的电子装置的立体分解示意图。本申请的其中一实施例中的电子装置100包括一壳体20及设置于所述壳体20上的一柔性屏30。所述壳体20包括一第一框体21、一第二框体23及连接于所述第一框体21与所述第二框体23之间的一铰链装置25。所述柔性屏30设置于所述第一框体21、第二框体23及所述铰链装置25上。所述柔性屏30设置有对应所述铰链装置25的一可折弯区域31，以及连接于所述可折弯区域31相对的两侧的两个非折弯区域33。所述铰链装置25用于支撑设置于所述柔性屏30，所述铰链装置25包括一铰链主体250，所述铰链主体250位于所述第一框体21与所述第二框体23之间，所述铰链主体250的一侧滑动地连接于所述第一框体21，所述铰链主体250相对的另一侧连接于所述第二框体23。所述第一框体21与所述铰链主体250之间设置有至少一弹性件26，至少一所述弹性件26抵推所述第一框体21远离所述铰链主体250，使柔性屏30对应于所述铰链主体250的区域一直保持展开状态，从而能防止所述柔性屏30与所述铰链主体250分离而拱起。由于所述第一框体21与所述铰链主体250之间滑动连接，且第一框体21与所述铰链主体250之间设有弹性件26，从而能补偿铰链主体250沿垂直于其弯曲轴的方向的公差，即，能自动调节铰链主体250沿垂直于其弯曲轴的方向延伸的长度，以避免柔性屏损坏。
应当理解地，本发明并不限于铰链是虚拟轴方案，而是还可以是其他各种方案，如主动补偿方案、被动补偿方案等。
本申请所述弯曲轴并非限定是实体的轴，也可以是非实体的轴，即虚拟轴，只要铰链主体250能够围绕该轴弯曲均可以认为是弯曲轴。
本实施例中，所述铰链主体250的弯曲轴为虚拟轴。
本实施例中，所述电子装置100为手机。可以理解，在其它实施例中，电子装置100可以是但不限于无线电电话、寻呼机、Web浏览器、记事簿、日历以及/或全球定位***(GPS)接收器的PDA。
本申请电子装置100的铰链装置25的铰链主体250的一侧滑动地连接于所述第一框体 21，所述铰链主体250相对的另一侧连接于所述第二框体23，以及所述第一框体21与所述铰链主体250之间弹性抵持地设置有弹性件26。因此，所述铰链主体250的沿垂直于其弯曲轴的方向的整体长度的累计公差可以通过铰链主体250的一侧相对于第一框体21的滑动来补偿，即，滑动所述第一框体21能吸收所述整体长度的累计公差；另外，所述弹性件26一直抵推所述壳体20远离所述铰链主体250，使所述壳体20上的柔性屏30一直保持展开状态，从而能防止所述柔性屏30与所述铰链主体250分离而拱起，从而避免柔性屏损坏。
本实施例中，所述铰链主体250平行于其弯曲轴的一侧通过所述弹性件26滑动地连接于所述第一框体21，所述铰链主体250平行于其弯曲轴的另一侧固定连接于所述第二框体23，即，所述铰链主体250相对于所述第一框体21可以滑动。
在其他实施例中，所述铰链主体250平行于其弯曲轴的一侧通过所述弹性件26滑动地连接于所述第二框体23，所述铰链主体250平行于其弯曲轴的另一侧通过所述弹性件26滑动地连接于所述第一框体21，即，所述铰链主体250可相对于第一框体21和第二框体23滑动。
所述第一框体21于邻近所述铰链装置25的一侧设置有第一连接部212，所述第一连接部212用于连接所述铰链主体250平行于所述弯曲轴的一侧。具体的，所述第一连接部212包括自所述第一框体21邻近所述铰链装置25的一侧的相对的两端分别凸设的连接条2121，以及连接于两个所述连接条2121之间的一导滑板2125。每一连接条2121沿垂直于所述铰链主体250的弯曲轴的方向延伸，所述导滑板2125邻近所述第一框体21的正面处，从而使所述导滑板2125与两个所述连接条2121及所述第一框体21之间围成一收容槽2126。每一连接条2121面朝所述收容槽2126的侧面沿所述连接条2121的长度方向开设有一滑槽2122，所述滑槽2122连通所述收容槽2126。所述导滑板2125的背面沿所述滑槽2122的延伸方向开设有至少一收纳槽2127，所述收纳槽2127连通所述收容槽2126。所述第一框体21面朝所述收容槽2126的侧面凸设有对应所述收纳槽2127的定位柱214。所述第一框体21的正面开设有用于安装所述柔性屏30的一安装槽215。
本实施例中，所述导滑板2125的背面开设有平行并间隔的两个所述收纳槽2127，所述第一框体21面朝所述收容槽2126的侧面凸设有对应两个收纳槽2127的两个定位柱214。
所述第二框体23于邻近所述铰链装置25的一侧设置有第二连接部232，所述第二连接部232用于连接所述铰链主体250平行于所述弯曲轴的另一侧。具体的，所述第二连接部232包括自所述第二框体23邻近所述铰链装置25的一侧的相对的两端分别凸设一连接条2321，以及连接于两个所述连接条2321之间的一连接板2325。每一连接条2321沿垂直于所述铰链主体250的弯曲轴的方向延伸，所述连接板2325邻近所述第二框体23的正面处，从而使所述连接板2325与两个所述连接条2321及所述第二框体23之间围成一连接槽2326。所述连接板2325上开设有若干连接孔2327，所述第二框体23的正面开设有用于安装所述柔性屏30的一安装槽235。本申请中的所述正面指与所述柔性屏30的出光面朝向相同的面，所述背面指与所述柔性屏30的出光面朝向相反的面。
请一并参阅图5至图8，图5是图4中的电子装置的铰链装置的立体分解示意图；图6是图5中的电子装置的铰链装置的另一视角的立体分解示意图；图7是图6中的VII部分的放大图；图8是图6中的VIII部分的放大图。所述铰链装置25还包括两个链节端盖机构255、两个弹性件26及一定位机构27，两个所述链节端盖机构255分别设置于所述铰链主体250相对的两端，两个所述弹性件26设置于所述铰链主体250与所述第一框体21之间，所述定位机构27用于保持所述铰链装置100的形态，即，所述定位机构27用于保持所述铰链装置100呈弯折状态或展开状态，方便用户使用。所述定位机构27包括若干弹性的定位件28及若干磁性件29。
本实施例中，每一弹性件26为弹簧。
在其他实施例中，弹性件26可以是弹性橡胶或弹性塑料等。
所述铰链主体250包括若干链节，这些链节相互铰接于一体，各链节的正面用于支撑所述柔性屏30。具体的，若干所述链节包括至少一第一链节251、至少一第二链节252、一个第三链节253及一个第四链节254。第三链节253的一侧滑动连接于第一框体21，第四链节254的一侧连接于第二框体23。第一链节251设置于第三链节253和第四链节254之间，第二链节252设置于第三链节253与第一链节251之间或设置于第四链节254与第一链节251之间，相邻的链节相互铰接。在一个实施例中，至少一所述第二链节252铰接于所述第一链节251的一侧，所述第三链节253铰接于所述第二链节252或铰接于所述第一链节251远离所述第二链节252的一侧，所述第四链节253铰接于所述第二链节252或铰接于所述第一链节251远离所述第二链节252的一侧。
本实施例中，所述铰链主体250包括一个所述第一链节251，两个所述第二链节252，一个所述第三链节253及一个所述第四链节254，两个所述第二链节252分别铰接于所述第一链节251相对的两侧，所述第三链节253铰接于其中一第二链节252远离所述第一链节252的一侧，所述第四链节254铰接于另一第二链节252远离所述第一链节252的一侧。
具体的，所述第一链节251包括沿平行于所述铰链主体250的弯曲轴的一条体2510，所述条体2510包括圆弧形的正面2511、一背面、相对的两个侧面2512，以及相对的两个端面2513。所述正面2511与两个所述侧面2512由相对的两个第一导滑面2514连接，每一第一导滑面2514为圆弧面，所述圆弧面向所述条体2510内陷，两个所述第一导滑面2514沿所述正面2511的中心线对称。每一第一导滑面2514上邻近两个所述端面2513处分别开设有一收容孔2515。每一端面2513于邻近两个所述第一导滑面2514处分别开设有圆弧形的一限位槽2517，每一限位槽2517的圆弧平行于相邻近的第一导滑面2514的圆弧，即，每一限位槽2517与相邻近的第一导滑面2514的圆弧中心重合。每一端面2513上还开设有一连接孔2518，具体的所述连接孔2518位于两个所述限位槽2517之间。所述第一链节251相对的两侧分别开设有固定槽2501，具体的，所述第一链节251的背面与两个所述侧面2512的相交处分别开设有固定槽2501，每一固定槽2501沿所述第一链节251的长度方向延伸。具体的，每一固定槽2501位于所述第一链节251的背面的中部与所述侧面2512的相交处。
每一第二链节252包括沿平行于所述铰链主体250的弯曲轴延伸的一条体2520，所述条体2520包括圆弧形的正面2521、一背面、相对的两个侧面2522，以及相对的两个端面2523。所述正面2521与其中一侧面2522之间设有圆弧形的一第二导滑面2524，所述第二导滑面2524向所述条体2520内陷而成。所述第二导滑面2524上邻近两个所述端面2523处分别开设有一收容孔2525。所述正面2521与另一侧面2522的相交处向外凸设一导滑条2526，所述导滑条2526沿所述条体2520的长度方向延伸，所述导滑条2526背朝所述正面2521的一侧设置圆弧面2527，所述圆弧面2527能滑动地贴合于所述第一导滑面2514上，即，所述圆弧面2527的弧度与所述第一导滑面2514的弧度相同。每一端面2523于邻近所述第二导滑面2524处开设有圆弧形的一限位槽2528，限位槽2528的圆弧与所述第二导滑面2524的圆弧平行，即，限位槽2528与所述第二导滑面2524的圆弧中心重合。每一端面2523上还开设有一连接孔2529，具体的，所述连接孔2529位于所述端面2523的中部。每一第二链节252面朝所述第一链节251的一侧开设有固定槽2503，具体的，每一第二链节252的背面与两个所述侧面2522的相交处分别开设有固定槽2503，每一固定槽2503沿所述第二链节252的长度方向延伸，具体的，每一固定槽2503位于所述第二链节252的背面的中部与所述侧面2522的相交处。
请一并参阅图5及图13，图12是图1中沿XII-XII线的剖视图；图13是图12中沿XIII部分的放大图。每一第二链节252的圆弧面2527于邻近两个所述端面2523处分别开设相互间隔的一第一定位孔2502及一第二定位孔2504，所述第一定位孔2502及所述第二 定位孔2054对应所述第一链节251的收容孔2515。所述第一定位孔2502与所述第二定位孔2504位于所述圆弧面2527的同一圆弧线上，所述第一定位孔2502远离所述条体2520，所述第二定位孔2504邻近所述条体2520。
所述第三链节253包括沿平行于所述铰链主体250的弯曲轴延伸的一条体2530，所述条体2530包括圆弧形的正面2531、一背面、相对的两个侧面2532，以及相对的两个端面2533。所述正面2531与其中一侧面2532的相交处向外凸设一导滑条2534，所述导滑条2534沿所述条体2530的长度方向延伸，所述导滑条2534背朝所述正面2531的一侧设置圆弧面2535，所述圆弧面2535能贴合于所述第二导滑面2524上，即，所述圆弧面2535的圆弧与所述第二导滑面2524的圆弧相同。每一端面2533上还开设有一连接孔2536，具体的，所述连接孔2536位于所述端面2533的中部。所述条体2530背朝所述导滑条2534的侧面2532上设置有一安装部，所述安装部可滑动地连接于所述第一框体21的第一连接部212。所述安装部包括凸设于所述侧面2532的一滑动板2537，以及凸设于所述滑动板2537上的至少一凸块2538。所述滑动板2537相对的两端能滑动地插接于所述第一框体21的两个所述连接条2121的滑槽2122内，所述至少一凸块2538对应所述第一框体21的定位柱214。所述第三链节253的背面与凸设有所述导滑条2534的侧面2532的相交处开设有固定槽2505，所述固定槽2505沿所述第三链节253的长度方向延伸。具体的，所述固定槽2505位于所述第三链节253的背面的中部与所述侧面2532的相交处。
所述第三链节253的圆弧面2535于邻近两个所述端面2533处分别开设相互间隔的一第一定位孔2502及一第二定位孔2504，所述第一定位孔2502及所述第二定位孔2054对应第二链节252的收容孔2525。所述第一定位孔2502与所述第二定位孔2504位于所述圆弧面2535的同一圆弧线上，所述第一定位孔2502远离所述条体2530，所述第二定位孔2504邻近所述条体2530。
本实施例中，所述滑动板2537上凸设有间隔的两个所述凸块2538，两个所述凸块2538对应所述第一框体21上的两个所述定位柱214。
所述第四链节254包括沿平行于所述铰链主体250的弯曲轴延伸的一条体2540，所述条体2540包括圆弧形的正面2541、一背面、相对的两个侧面2542，以及相对的两个端面2543。所述正面2541与其中一侧面2542之间向外凸设一导滑条2544，所述导滑条2544沿所述条体2540的长度方向延伸，所述导滑条2544背朝所述正面2541的一侧设置圆弧面2545，所述圆弧面2545能贴合于所述第二导滑面2524上，即，所述圆弧面2545的圆弧与所述第二导滑面2524的圆弧相同。每一端面2543上还开设有一连接孔2546，具体的，所述连接孔2546位于所述端面2543的中部。所述条体2540背朝所述导滑条2544的侧面2542设置有一安装部，所述安装部连接于所述第二框体23的第二连接部232。所述安装部包括凸设于所述侧面2542的一安装板2547，所述安装板2547上开设有若干连接孔2548。所述第四链节254的背面与设置有所述导滑条2544的侧面2542的相交处开设有固定槽2506，所述固定槽2506沿所述第四链节254的长度方向延伸。具体的，所述固定槽2506位于所述第四链节254的背面的中部与所述侧面2542的相交处。
所述第四链节254的圆弧面2545于邻近两个所述端面2543处分别开设相互间隔的一第一定位孔2502及一第二定位孔2504，所述第一定位孔2502及所述第二定位孔2054对应第二链节252的收容孔2525。所述第一定位孔2502与所述第二定位孔2504位于所述圆弧面2545的同一圆弧线上，所述第一定位孔2502远离所述条体2540，所述第二定位孔2504邻近所述条体2540。
每一链节端盖机构255包括至少一第一链节端盖件256、至少一第二链节端盖件257，以及两个第三链节端盖件258。至少一所述第一链节端盖件256设置于至少一所述第一链节251的其中一端面2513；至少一所述第二链节端盖件257设置于至少一所述第二链节252 的其中一端面2523，并转动地连接于第一链节端盖件256；两个所述第三链节端盖件258分别设置于所述第三链节253其中一端面2533及所述第四链节254的其中一端面2543，其中一第三链节端盖件258转动地连接于所述第一链节端盖件256或所述第二链节端盖件257，另一第三链节端盖件258转动地连接于所述第一链节端盖件256或所述第二链节端盖件257。
如图7及图8所示，本实施例中，所述铰链装置25包括两个链节端盖机构255，每一链节端盖机构255包括一个所述第一链节端盖件256、两个所述第二链节端盖件257，以及两个第三链节端盖件258。所述第一链节端盖件256能固定于所述第一链节251的端面2513，两个所述第二链节端盖件257能分别固定于两个所述第二链节252同一端的的端面2523，两个所述第三链节端盖件258能分别固定于所述第三链节253的端面2533及所述第四链节254的端面2543。相邻的链节端盖件相互铰接。
具体的，第一链节端盖件256包括一盖板2560，所述盖板2560面朝所述第一链节251的端面的形状及大小与所述第一链节251的端面2513的形状及大小相同。所述盖板2560包括圆弧形的一正面2561、一背面、相对的两侧面2562、及相对的两个端面2563。所述正面2561与相对的两个所述侧面2562由相对的两个导滑面2564连接，每一导滑面2564为圆弧面，所述圆弧面与第一链节251上对应的第一导滑面2514的圆弧相同。两个所述导滑面2564沿所述正面2561的中心线对称。所述盖板2560面朝所述第一链节251的端面2563邻近两个所述导滑面2564处分别有圆弧形的导滑槽2567，每一导滑槽2567的圆弧与相邻近的导滑面2564的圆弧平行，即，每一导滑槽2567与相邻近的导滑面2564的圆弧中心重合。每一导滑槽2567穿通相邻近的导滑面2564。所述盖板2560背朝所述第一链节251的端面2563上开设有沉头孔2568，所述沉头孔2568穿通所述盖板2560，具体的，所述沉头孔2568位于两个所述导滑槽2567之间。
每一第二链节端盖件257包括一盖板2570，所述盖板2570面朝所述第二链节252的端面的形状及大小与所述第二链节252的端面2523的形状及大小相近。所述盖板2570包括圆弧形的一正面2571、一背面、相对的两侧面2572、及相对的两个端面2573。所述正面2571与其中一侧面2572的相交处开设有圆弧形的一导滑面2574，所述导滑面2574的圆弧与第二链节252上对应的第二导滑面2524的圆弧相同。所述正面2571与另一侧面2572的相交处向外凸设一导滑条2576，所述导滑条2576背朝所述正面2571的一侧设置圆弧面2577，所述圆弧面2577能贴合于所述第一链节端盖件256的导滑面2564上，即，所述圆弧面2577的圆弧与所述导滑面2564的圆弧相同。所述圆弧面2577上向外凸设有L形的限位块2575，所述限位块2575包括凸设于所述圆弧面2577的连接部，以及自所述连接部的末端朝向所述第二链节252的一侧延伸的限位部，所述连接部能滑动地收容于所述第一链节端盖件256的导滑槽2567内，所述限位部能滑动地收容于所述第一链节251的限位槽2517内。所述盖板2570面朝所述第二链节252的端面2573的邻近所述圆弧面2574处开设有圆弧形的一导滑槽2578，导滑槽2578的圆弧与所述导滑面2574的圆弧平行，即，导滑槽2578与所述导滑面2574的圆弧中心重合，导滑槽2578穿通所述导滑面2574。所述盖板2570背朝所述第二链节252的端面2573上开设有沉头孔2579，所述沉头孔2579穿通所述盖板2570。
每一第三链节端盖件258包括一盖板2580，所述盖板2580包括圆弧形的一正面2581、一背面、相对的两侧面2582、及相对的两个端面2583。所述正面2581与其中一侧面2582的相交处向外凸设一导滑条2586，所述导滑条2586背朝所述正面2581的一侧设置圆弧面2587，所述圆弧面2587能贴合于所述第二链节端盖件257的导滑面2574上，即，所述圆弧面2587的圆弧与所述导滑面2574的圆弧相同。所述圆弧面2587上向外凸设有L形的限位块2585，所述限位块2585包括凸设于所述圆弧面2587的连接部，以及自所述连接部的 末端朝向所述铰链主体250延伸的限位部，所述连接部能收滑动地收容于所述第二链节端盖件257的导滑槽2578内，所述限位部能滑动地收容于所述第二链节252的限位槽2528内。所述盖板2580背朝所述铰链主体250的端面2583上开设有沉头孔2589，所述沉头孔2589穿通所述盖板2580。
请参阅图9，图9是图7中的定位件的放大图。这些定位件28分别设置于所述铰链主体250的链节之间，即，每相邻的两个所述链节之间设置有定位件28，这些定位件28用于定位所述铰链装置呈弯折状态或展开状态。具体的，这些定位件28能分别滑动地收容于所述第一链节251的收容孔2515及第二链节252的收容孔2525内。所述定位件28具有弹性，当所述定位件28受到挤压时会缩进收容孔2515、2525内，当解除对所述定位件28的挤压时，所述定位件28会弹性复位。所述定位件28包括滑动地收容于收容孔2515、2525内的定位杆282，以及套设于所述定位杆282上的弹性件284。所述弹性件284弹性抵接于所述定位杆282与对应的收容孔2515、2525的背面之间，所述弹性件284迫使所述定位杆282向外移动而伸出对应的收容孔2515、2525。所述定位杆282远离所述弹性件284的一端设置有球面形的凸包285，所述弹性件284迫使所述定位杆282向外移动而使凸包285伸出对应的收容孔2515、2525。当定位件28的凸包285分别卡入对应的第一定位孔2502时，所述铰链主体250的区域一直保持展开状态，从而使所述铰链主体250自动保持展开状态；当定位件28的凸包285分别卡入对应的第二定位孔2504时，所述铰链主体250的区域一直保持弯折状态，从而使所述铰链主体250自动保持弯折状态。
本实施例中，所述弹性件284为弹簧。
在其他实施例中，每一定位件28为弹性定位珠，弹性定位珠能分别卡固于对应的收容孔2515、2525内，且弹性定位珠的珠体伸出对应的收容孔2515、2525。
在其他实施例中，所述第一链节251的每一第一导滑面2514上分别开设有相互间隔的第一定位孔及第二定位孔，所述第一定位孔与所述第二定位孔位于所述第一导滑面2514的同一圆弧线上，所述第一定位孔邻近所述正面2511的一侧，所述第二定位孔远离所述正面2511的一侧。每一第二链节252的圆弧面2527上设置有弹性的定位件28，当所述铰链主体250呈展开状态时，所述定位件28定位于所述第一定位孔内，当所述铰链主体250呈弯折状态时，所述定位件28定位于所述第二定位孔内。
在其他实施例中，每一第二链节252的第二导滑面2524上分别开设有相互间隔的第一定位孔及第二定位孔，所述第一定位孔与所述第二定位孔位于所述第二导滑面2524的同一圆弧线上，所述第一定位孔邻近所述正面2521的一侧，所述第二定位孔远离所述正面2521的一侧。第三链节253的圆弧面2535或第四链节254的圆弧面2545上设置有弹性的定位件28，当所述铰链主体250呈展开状态时，所述定位件28定位于所述第一定位孔内，当所述铰链主体250呈弯折状态时，所述定位件28定位于所述第二定位孔内。
若干所述磁性件29可以是若干对能相互吸附的磁条。这些磁性件29分别设置于所述铰链主体250的若干链节上，使每相邻的两个所述链节之间设置有一对所述磁性件29。具体的，这些磁性件29可分别固定于固定槽2501、2503、2505、2506内。当所述铰链装置100弯折时，各链节的侧面用于和相邻链节的侧面通过磁吸固定，即，所述铰链主体250的若干链节呈弯折状态，所述铰链主体250的每相邻的两个所述链节之间的磁性件29相互吸附，以定所述铰链装置100自动保持弯折状态。
本实施例中，若干所述磁性件29为四对能相互吸附的磁条。
在其他实施例中，若干所述磁性件29是若干对能相互吸附的磁铁条和铁条，每一对所述磁铁条和铁条分别设置于相邻的两个所述链节之间。
如图4所示，本实施例中，所述柔性屏30的背面贴设有一支撑片35，所述支撑片35覆盖所述柔性屏30的可折弯区域31。所述支撑片35可以是薄金属片如铜箔、液态金属片、 记忆合金片、塑胶片或其他符合材料。本实施例中，所述支撑片35是液态金属片。
本申请中的所称液态金属是指将合金加热到熔融态，然后以超快的冷却速度冷却，使合金晶格来不及有序排列结晶便固化，因为是非结晶状态，像玻璃，所以又被称为非晶合金、液态金属或金属玻璃。液态金属的特性是长程无序(短程有序)、亚稳态、一定程度上的物理特性各向同性、没有确切熔点、具有玻璃转化温度点等，具有固态、金属、玻璃的特性，可以在一定条件下具有高强度、高硬度、塑性、热传导和耐磨性等。也就是说，本发明所称的液态金属在常温实质上是固态的，只不过其某些特性接近液体，所以称之为液态金属。所述液态金属可以为铜、钛、铁、锆、银、镍、镓、金、锑、镉、锌、铟、硅等中一种或多种材料的合金材料，具体金属优选可获得更低的弹性模量、硬度、延伸性等其他力学性质。
本实施例中选用液态金属片作为支撑片35的原因在于液态金属片的耐磨性较佳。一方面，所述支撑片35可以有效地抵御所述铰链装置25对其产生的摩擦，不易出现磨损的情况；另一方面，液态金属片的弹性模量较低，在电子装置100通过所述铰链装置25弯曲时，所述支撑片35可跟随柔性屏30一起同步或近似同步拉伸，从而避免柔性屏30在弯曲时由于拉伸幅度差异较大导致出现破损的情况。液态金属可选用铜基、钛基、铁基、锆基、银基、镍基、镓基、金基、锑基、镉基、锌基、铟基、硅基等液态金属，并且，相比于现有的弹性模量更低的材料，如硅胶、泡棉、塑胶等，液态金属的强度更高，且耐磨性更佳，可有效地对柔性屏进行支撑。
请一并能阅图5至图14，组装时，先组装铰链主体250，即，将若干所述定位件28分别安装于第一链节251的收容孔2515及第二链节252的收容孔2525内，每一定位件28能沿对应的收容孔2515、2525滑动，凸包285伸出对应的收容孔2515、2525。此时，第二链节252相对于第一链节251可沿第一轴线L1(如图11所示)转动，所述第一轴线L1为虚拟轴的轴线，所述第一轴线L1位于所述柔性屏30内侧，具体的，所述第一轴线L1位于所述柔性屏30的背面，且靠近柔性屏30。将每一第二链节252的圆弧面2527贴合于所述第一链节251的第一导滑面2514上，使所述第一链节251上的定位件28的凸包285分别卡入对应的第二链节252的第一定位孔2502；此时，第三链节253相对于对应的第二链节252可沿第二轴线L2(如图11所示)转动，所述第二轴线L2为虚拟轴的轴线，所述二轴线L2位于所述柔性屏30内侧，具体的，所述第一轴线L2位于所述柔性屏30的背面，且靠近柔性屏30。将第三链节253的圆弧面2535贴合于其中一第二链节252的第二导滑面2524上，使所述第二链节252上的定位件28的凸包285卡入对应的第三链节253的第一定位孔2502；再将第四链节254的圆弧面2545贴合于另一第二链节252的第二导滑面2524上，使所述第二链节252上的定位件28的凸包285卡入对应的第四链节254的第一定位孔2502内；此时，第四链节254相对于对应的第二链节252可沿第二轴线L2转动，所述第二轴线L2为虚拟轴的轴线，所述二轴线L2位于所述柔性屏30内侧，具体的，所述第一轴线L2位于所述柔性屏30的背面，且靠近柔性屏30。
再组装每一链节端盖机构255，即，将两个所述第二链节端盖件257的圆弧面2577分别滑动地贴合于所述第一链节端盖件256的两个所述导滑面2564上，使每一第二链节端盖件257的限位块2575收容于所述第一链节端盖件256的导滑槽2567内，每一限位块2575的连接部收容于导滑槽2567内，每一限位块2575的限位部伸出所述第一链节端盖件256的端面2563；将两个第三链节端盖件258的圆弧面2587分别滑动地贴合于两个所述第二链节端盖件257的导滑面2574上，使每一第三链节端盖件258的限位块2585收容于对应的第二链节端盖件257的导滑槽2578，每一限位块2585的连接部收容于导滑槽2578内，每一限位块2585的限位部伸出对应的第二链节端盖件257的端面2573。再将两个所述链节端盖机构255分别连接于铰链主体250相对的两端，即，每一第二链节端盖件257的限 位块2575的限位部可滑动地***所述第一链节251的对应的限位槽2517内，每一第三链节端盖件258的限位块2585的限位部可滑动地***对应的第二链节252的对应的限位槽2528内，每一第一链节端盖件256贴合于所述第一链节251的端面2513且所述第一链节端盖件256的沉头孔2568正对连接孔2518；每一第二链节端盖件257贴合于第二链节252的端面2523且所述第二链节端盖件257的沉头孔2579正对连接孔2529；其中两个第三链节端盖件258分别贴合于第三链节253的端面2533，且每一第三链节端盖件258的沉头孔2589正对连接孔2536，另外两个所述第三链节端盖件258分别贴合于第四链节254的端面2543，且每一第三链节端盖件258的沉头孔2589分别正对相应的连接孔2546；若干锁固件分别穿过沉头孔2568、2579、2589锁固于对应的连接孔2518、2529、2536、2546内，从而使所述第一链节251、所述第二链节252、所述第三链节253及所述第四链节254可转动地连接于一体，且每一链节端盖机构255的第一链节端盖件256、两个所述第二链节端盖件257，以及两对第三链节端盖件258可转动地连接于一体。此时，所述第一链节251的两侧的定位件28的凸包285分别卡入两个所述第二链节252上对应的第一定位孔2502内，其中一第二链节252上的定位件28的凸包285卡入第三链节253的第一定位孔2502内，另一第二链节252上的定位件28的凸包285卡入第四链节254的第一定位孔2502内，从而使第一链节251、两个所述第二链节252、所述第三链节253及所述第四链节254呈水平状态连接，每一第二链节端盖件257上的限位块2575的限位部抵顶于对应的限位槽2517远离正面2511的一端，每一第三链节端盖件258上的限位块2585的限位部抵顶于对应的限位槽2528远离正面2521的一端，从而使第一链节端盖件256、第二链节端盖件257及第三链节端盖件258呈水平状态连接。
将若干所述磁性件29分别固定于所述第一链节251的固定槽2501、第二链节252的固定槽2503、第三链节253的固定槽2505及所述第四链节254的固定槽2506内。使第一链节251与每一第二链节252之间形成一对相互吸附的磁性件29，其中一第二链节252与第三链节253之间形成一对相互吸附的磁性件29，另一第二链节252与第四链节254之间形成一对相互吸附的磁性件29。
本实施例中，每一磁性件29通过胶水连接的方式固定于对应的固定槽内。
在其他实施例中，磁性件可以通过卡接或螺接等方式固定于对应的固定槽内。
将安装完成的铰链装置25置于所述第一框体21与第二框体23之间；将所述铰链装置25的第三链节253的滑动板2537相对的两端滑动的***所述第一框体21的两个连接条2121的滑槽2122内；将两个所述弹性件26分别收容于两个收纳槽2127，使每一弹性件26的一端固定于对应的定位柱214上，另一端连接于对应的凸块2538。此时，所述滑动板2537沿所述滑槽2122可滑动地收容于所述收容槽2126内。将第四链节254的安装板2547收容于第二框体23的连接槽2326，若干锁固件穿过所述安装板2547并分别锁固于连接孔2327内，以将所述安装板2547固定于所述第二框体。将柔性屏30的两个非折弯区域33的背面分别贴接于第一框体21的安装槽215及第二框体23的安装槽235内，将柔性屏30的可折弯区域31的背面贴接于所述铰链主体250的正面即可。此时，所述柔性屏30的可折弯区域31可随所述铰链主体250的弯折而弯曲，两个所述弹性件26弹性抵推所述第一框体21远离所述铰链主体250，使所述柔性屏30一直保持展开状态，不仅可以补偿所述铰链装置25沿垂直于其弯曲轴的方向的公差，并且还能防止所述柔性屏30与所述铰链主体250分离而拱起，从而避免柔性屏损坏。
请一并参阅图15至图18，图15是图1中的电子装置的弯折状态的立体示意图；图16是图15中沿XVI-XVI线的剖视图；图17是图15中沿XVII-XVII线的剖视图；图18是图15中沿XVIII-XVIII线的剖视图。弯折所述电子装置100时，给所述电子装置100一个折弯的力，使所述第一链节251上的每一定位件28的凸包285脱离与第二链节252上的对应 的第一定位孔2502的卡持而沿对应的圆弧面2527滑动，每一定位件28的弹性件284发生弹性变形；两个所述第二链节252的圆弧面2527分别沿所述第一链节251的两个第一导滑面2514转动而相互靠近，两个所述第二链节端盖件257的圆弧面2577分别沿所述第一链节端盖件256的两个导滑面2564转动而相互靠近；每一第二链节端盖件257上的限位块2575的连接部沿对应的第一链节端盖件256的导滑槽2567滑动，且所述限位块2575的限位部沿第一链节251上对应的限位槽2517滑动；以及第一链节251与第二链节252之间的磁性件29相互靠近而使吸引力不断增大。其中一第二链节252上的每一定位件28的凸包285脱离与第三链节253上的对应的第一定位孔2502的卡持而沿所述圆弧面2535滑动，每一定位件28的弹性件284发生弹性变形；所述第三链节253的圆弧面2535沿对应的第二链节252的第二导滑面2524转动而朝所述铰链主体250的中部移动，连接于所述第三链节253上的每一第三链节端盖件258的圆弧面2587沿对应的第二链节端盖件257的导滑面2574转动而朝所述铰链主体250的中部移动；连接于所述第三链节253上的每一第三链节端盖件258上的限位块2585的连接部沿对应的第二链节端盖件257的导滑槽2578滑动，且所述限位块2585的限位部沿第二链节252上对应的限位槽2528滑动；第三链节253与第二链节252之间的磁性件29相互靠近而使吸引力不断增大。同时，另一第二链节252上的每一定位件28的凸包285脱离与第四链节254上的对应的第一定位孔2502的卡持而沿所述圆弧面2545滑动，每一定位件28的弹性件284发生弹性变形；所述第四链节254的圆弧面2545沿对应的第二链节252的第二导滑面2524转动而朝所述铰链主体250的中部移动，连接于所述第四链节253上的每一第三链节端盖件258的圆弧面2587沿对应的第二链节端盖件257的导滑面2574转动而朝所述铰链主体250的中部移动；连接于所述第四链节254上的每一第三链节端盖件258上的限位块2585的连接部沿对应的第二链节端盖件257的导滑槽2578滑动，且所述限位块2585的限位部沿第二链节252上对应的限位槽2528滑动；以及第四链节254与第二链节252之间的磁性件29相互靠近而使吸引力不断增大。
当所述第一链节251上的定位件28的凸包285越过第二链节252的圆弧面2527的弧顶时，每一第二链节252与所述第一链节251之间的磁性件29磁性吸附而使两个第二链节252的圆弧面2527继续分别沿第一导滑面2514滑动而相互靠近，且定位件28的弹性件284部分弹性复位而抵推第二链节252继续朝邻近所述第一链节251转动；每一第二链节端盖件257的限位块2575沿对应的限位槽2517滑动，直至所述第一链节251上的定位件28的凸包285分别正对第二链节252上的第二定位孔2504，定位件28的弹性件284弹性复位而卡入对应的第二定位孔2504内，每一限位块2575沿对应的限位槽2517滑动而抵顶于所述限位槽2517邻近正面2511的一端，所述第一链节251与每一第二链节252之间的磁性件29相互贴合吸附。其中一第二链节252上的定位件28的凸包285越过第三链节253的圆弧面2535的弧顶，所述第二链节252与所述第三链节253之间的磁性件29磁性吸附而使所述第三链节253的圆弧面2535继续沿第二导滑面2524滑动而朝所述铰链主体250的中部移动，且定位件28的弹性件284部分弹性复位而抵推第三链节253继续朝邻近所述铰链主体250的中部移动，直至所述第二链节252上的定位件28的凸包285分别正对第三链节253上的第二定位孔2504，定位件28弹性件284弹性复位而卡入对应的第二定位孔2504内，每一限位块2585沿对应的限位槽2528滑动而抵顶于所述限位槽2528邻近正面2521的一端，且所述第二链节252与第三链节253之间的磁性件29相互贴合吸附。另一第二链节252上的定位件28的凸包285越过第四链节254的圆弧面2545的弧顶，所述第二链节252与所述第四链节254之间的磁性件29磁性吸附而使所述第四链节254的圆弧面2545继续沿第二导滑面2524滑动而朝所述铰链主体250的中部移动，且定位件28的弹性件284部分弹性复位而抵推第四链节253继续朝邻近所述铰链主体250的中部移动，直至所述第二链节252上的定位件28的凸包285分别正对第四链节254上的第二定位孔2504，定位 件28的弹性件284弹性复位而卡入对应的第二定位孔2504内，每一限位块2585沿对应的限位槽2528滑动而抵顶于所述限位槽2528邻近正面2521的一端，且所述第二链节252与第四链节254之间的磁性件29相互贴合。此时，所述铰链主体250完成弯折，所述柔性屏30随所述铰链主体250实现弯折；这些定位件28的凸包285分别卡入对应的第二定位孔2504内及磁性件29之间相互吸附，使所述电子装置100保持弯折状态；滑动板2537朝第一框体21的方向滑动，所述滑动板2537抵推弹性件26使弹性件26压缩；所述第一链节251的正面2511、两个所述第二链节252的正面2521及两个所述第三链节253的正面2531相互连接形成拱形的弧面，即，第一链节251的正面2511、两个所述第二链节252的正面2521及两个所述第三链节253的正面2531共一个圆弧面，以方便贴合所述柔性屏30；所述第一链节端盖件256的正面2561、两个所述第二链节端盖件257的正面2571及两个所述第二链节端盖件258的正面2581相互连接形成拱形的弧面，即，第一链节端盖件256的正面2561、两个所述第二链节端盖件257的正面2571及两个所述第二链节端盖件258的正面2581共一个圆弧面，以方便所述柔性屏30的贴合；所述第一框体21随所述第三链节253转动，所述第二框体23随所述第四链节254转动而相互靠近。
当需要展开所述电子装置100时，向外拉开所述第一框体21及第二框体23，其中一第二链节252上的每一定位件28的凸包285脱离与第三链节253的第二定位孔2504的卡持而沿对应的圆弧面2535滑动，每一定位件28的弹性件284发生弹性变形，所述第三链节253的圆弧面2535沿对应的第二链节252的第二导滑面2524转动而朝远离所述铰链主体250的中部移动，连接于所述第三链节253上的每一第三链节端盖件258的圆弧面2587沿对应的第二链节端盖件257的导滑面2574转动而朝远离所述铰链主体250的中部移动；连接于所述第三链节253上的每一第三链节端盖件258上的限位块2585的连接部沿对应的第二链节端盖件257的导滑槽2578滑动，且所述限位块2585的限位部沿第二链节252上对应的限位槽2528滑动，第三链节253与第二链节252之间的磁性件29因外力脱离吸附并相互远离而使吸引力不断减少。另一第二链节252上的每一定位件28的凸包285脱离与第四链节254的第二定位孔2504的卡持而沿对应的圆弧面2545滑动，每一定位件28的弹性件284发生弹性变形，所述第四链节254的圆弧面2545沿对应的第二链节252的第二导滑面2524转动而朝远离所述铰链主体250的中部移动，连接于所述第四链节254上的每一第三链节端盖件258的圆弧面2587沿对应的第二链节端盖件257的导滑面2574转动而朝远离所述铰链主体250的中部移动；连接于所述第四链节254上的每一第三链节端盖件258上的限位块2585的连接部沿对应的第二链节端盖件257的导滑槽2578滑动，且所述限位块2585的限位部沿第二链节252上对应的限位槽2528滑动，第四链节254与第二链节252之间的磁性件29因外力脱离吸附并相互远离而使吸引力不断减少。所述第一链节251上的每一定位件28的凸包285脱离与第二链节252上的对应的第一定位孔2502的卡持而沿对应的圆弧面2527滑动，每一定位件28的弹性件284发生弹性变形；两个所述第二链节252的圆弧面2527分别沿所述第一链节251的两个第一导滑面2514转动而相互远离，两个所述第二链节端盖件257的圆弧面2577分别沿所述第一链节端盖件256的两个导滑面2564转动而相互远离；每一第二链节端盖件257上的限位块2575的连接部沿对应的第一链节端盖件256的导滑槽2567滑动，且所述限位块2575的限位部沿第一链节251上对应的限位槽2517滑动，第一链节251与第二链节252之间的磁性件29因外力脱离吸附并相互远离而使磁力不断减少。
当所述第一链节251上的定位件28的凸包285越过第二链节252的圆弧面2527的弧顶时，所述第一链节251与每一第二链节252之间的磁性件29的吸引力继续减速少，定位件28的弹性件284仍旧对圆弧面2527的产生抵推力，使两个第二链节252的圆弧面2527继续分别沿第一导滑面2514滑动而相互远离，每一第二链节端盖件257的限位块2575沿 对应的限位槽2517滑动，直至所述第一链节251上的定位件28的凸包285分别正对第二链节252上的第一定位孔2502，定位件28的弹性件284弹性复位使凸包285卡入对应的第一定位孔2502内，每一限位块2575沿对应的限位槽2517滑动而抵顶于所述限位槽2517远离正面2511的一端，所述第一链节251与两个所述第二链节252之间呈水平状态。其中一第二链节252上的定位件28的凸包285越过第三链节253的圆弧面2535的弧顶，所述第三链节252与第二链节252之间的磁性件29的磁力减少定位件28的弹性件284对圆弧面2535的抵推力，使所述第三链节253的圆弧面2535继续沿第二导滑面2524滑动而朝远离所述铰链主体250的中部移动，直至所述第二链节252上的定位件28的凸包285分别正对第三链节253上的第一定位孔2502，定位件28的弹性件284弹性复位使凸包285卡入对应的第一定位孔2502内，每一限位块2585沿对应的限位槽2528滑动而抵顶于所述限位槽2528远离正面2521的一端，所述第三链节253与第一链节251及第二链节252之间呈水平状态。另一第二链节252上的定位件28的凸包285越过第四链节254的圆弧面2545的弧顶，所述第四链节254与第二链节252之间的磁性件29的磁力减少定位件28的弹性件284对圆弧面2545的抵推力，使所述第四链节254的圆弧面2545继续沿第二导滑面2524滑动而朝远离所述铰链主体250的中部移动，直至所述第二链节252上的定位件28的凸包285分别正对第四链节254上的第一定位孔2502，定位件28的弹性件284弹性复位使凸包285卡入对应的第一定位孔2502内，每一限位块2585沿对应的限位槽2528滑动而抵顶于所述限位槽2528远离正面2521的一端，所述第四链节254与第一链节251、第二链节252及第三链节253之间呈水平状态。此时，所述铰链主体250完成展开，所述柔性屏30随所述铰链主体250实现平整，若干所述磁性件29相互间隔；这些定位件28分别卡入对应的第一定位孔2502内使所述电子装置100保护展开状态第二链节第一链节第二链节第一链节第二链节第二链节第三链节第三链节第二链节第三链节第二链节第三链节第三链节第一链节第二链节第二链节第四链节第四链节第二链节第四链节第二链节第四链节第四链节第一链节第二链节第三链节。
由于将磁性件29设置于铰链装置25上，可以通过各磁性件29相互吸附将铰链装置25固持于弯折位置，防止弯折状态下由于整机的重量或其他原因导致出现的反弹张开现象，从而使所述铰链装置25能自动保持弯折状态。并且，磁性件29位于铰链装置25上，而不用占据壳体20的内部空间，方便壳体20内部其他电子器件的布置。进一步地，磁性件29位于壳体20范围外还可以有效避免磁性件29的磁力对于壳体20内部其他电子器件的电磁性能造成影响，确保其能正常工作。
本发明实施例的定位件20可以将铰链装置25分别定位在弯折位置和展开位置，定位件20所产生的弹性力可使得铰链装置25在弯折位置和展开位置的状态较为稳固，即需要施加一定的初始力度才能使得铰链装置25发生形变，因而不容易受到本身的重力影响而发生意外展开或弯折的情况。
可以理解地，本发明所称“相对滑动”并不限定两个元件之间直接接触并相对滑动，而是还可以包含间隔第三方元件相对滑动，第三方元件也并不限于实体元件，如片材、膜材等，而是还可以包含非实体元件，如间隙、空间等，或者是实体元件与非实体元件的组合；第三方元件也并不限定为一个，而是可以包含多个。也就是说，只要两个元件有相对滑动的运动关系，不管两个元件的实际位置如何，都可以认为是本发明所称的“相对滑动”的范围内。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (30)

  1. 一种铰链装置，位于壳体的第一框体及第二框体之间，用于支撑设置于壳体上的柔性屏，其特征在于，所述铰链装置包括铰链主体及设置于所述铰链主体上的定位机构，所述定位机构用于保持所述铰链装置的形态。
  2. 如权利要求1所述的铰链装置，其特征在于，所述铰链主体包括可相对活动的若干链节，各链节的正面用于支撑柔性屏，各链节的侧面用于和相邻链节的侧面通过磁吸固定。
  3. 如权利要求2所述的铰链装置，其特征在于，各链节的侧面远离正面的位置通过磁性与相邻链节吸附。
  4. 如权利要求2所述的铰链装置，其特征在于，各链节的侧面远离正面的位置设有磁性件，铰链装置弯折时，柔性屏包围各磁性件。
  5. 如权利要求1所述的铰链装置，其特征在于，所述铰链主体包括若干链节，所述定位机构包括若干磁性件，每相邻的两个所述链节上对应设置有可彼此配合的所述磁性件，当铰链装置呈弯折状态时，每相邻的两个所述链节之间的磁性件相互吸附。
  6. 如权利要求5所述的铰链装置，其特征在于，若干所述磁性件为若干对磁铁条和铁条，每一对所述磁铁条和铁条分别设置于相邻的两个所述链节上。
  7. 如权利要求5所述的铰链装置，其特征在于，所述链节包括第一链节及第二链节，所述第二链节铰接于所述第一链节，所述第二链节可绕第一轴线相对第一链节旋转，所述第一链节与第二链节之间设置有所述磁性件，当所述第一链节与第二链节弯折时，所述磁性件相互吸附。
  8. 如权利要求7所述的铰链装置，其特征在于，所述第一链节相对的两侧分别开设有固定槽，所述第二链节相对的两侧开设有固定槽，所述第一链节的固定槽对应相邻所述第二链节的固定槽，所述第一链节及所述第二链节的固定槽内分别固定有所述磁性件。
  9. 如权利要求8所述的铰链装置，其特征在于，所述第一链节的固定槽开设于第一链节的背面与侧面的相交处且平行于所述第一轴线，所述第二链节的固定槽开设于第二链节的背面与侧面的相交处且平行于所述第一轴线。
  10. 如权利要求8所述的铰链装置，其特征在于，所述磁性件胶接或卡接于对应的固定槽内。
  11. 如权利要求7所述的铰链装置，其特征在于，所述链节还包括第三链节和第四链节，所述第三链节的一侧滑动地连接于第一框体，所述第四链节的一侧固定连接于第二框体，所述第一链节和第二链节设置于所述第三链节和第四链节之间。
  12. 如权利要求11所述的铰链装置，其特征在于，所述定位机构还包括定位件，所述第一链节与第二链节之间设有定位件，定位件用于将铰链装置分别定位在展开状态及弯折状态。
  13. 如权利要求12所述的铰链装置，其特征在于，所述定位件具有弹性，在展开状态及弯折状态定位件均保持弹性压缩状态。
  14. 如权利要求12所述的铰链装置，其特征在于，在所述展开状态及弯折状态定位件均卡设于第二链节上。
  15. 如权利要求12所述的铰链装置，其特征在于，所述定位件在铰链装置的展开状态对第一链节及第二链节施加的弹性力大于定位件在铰链装置的展开状态与弯折状态之间的过渡状态对于第一链节及第二链节施加的弹性力。
  16. 如权利要求12所述的铰链装置，其特征在于，所述定位件在铰链装置的弯折状态对第一链节及第二链节施加的弹性力大于定位件在铰链装置的展开状态与弯折状态之间的过渡状态对于第一链节及第二链节施加的弹性力。
  17. 如权利要求12所述的铰链装置，其特征在于，所述第一链节包括平行于所述铰链主体的弯曲轴延伸的一条体，所述条体相对两侧分别开设有圆弧形的导滑面，所述第二链节的一侧凸设有一导滑条，所述导滑条上设置有圆弧面，所述圆弧面能滑动地贴合于所述导滑面上。
  18. 如权利要求17所述的铰链装置，其特征在于，所述第一链节的导滑面上设置有弹性的定位件，所述第二链节的圆弧面上开设有第一定位孔及第二定位孔，所述定位件滑动地抵接于所述第二链节的圆弧面上，当所述第一链节与所述第二链节呈展开状态，所述定位件定位于所述第一定位孔内，当所述第一链节与所述第二链节呈弯折状态，所述定位件定位于所述第二定位孔内。
  19. 如权利要求17所述的铰链装置，其特征在于，所述第一链节的每一导滑面上均开设有第一定位孔及第二定位孔，所述第一定位孔与所述第二定位孔位于所述导滑面的同一圆弧线上，所述第二链节的圆弧面上设置有弹性的定位件，当所述铰链主体呈展开状态时，所述定位件定位于所述第一定位孔内，当所述铰链主体呈弯折状态时，所述定位件定位于所述第二定位孔内。
  20. 如权利要求12所述的铰链装置，其特征在于，所述第二链节包括沿平行于所述铰链主体的弯曲轴延伸的一条体，所述第二链节远离所述第一链节的一侧开设有导滑面，所述第三链节和第四链节凸设有导滑条，所述导滑条上设置滑动地贴合于所述导滑面的圆弧面。
  21. 如权利要求20所述的铰链装置，其特征在于，所述第二链节的导滑面上设置有弹性的定位件，所述第三链节和第四链节的圆弧面上开设有第一定位孔及第二定位孔，当所述铰链主体呈展开状态时，所述定位件定位于所述第一定位孔内，当所述铰链主体呈弯折状态时，所述定位件定位于所述第二定位孔内。
  22. 如权利要求20所述的铰链装置，其特征在于，所述第二链节的导滑面上分别开设有第一定位孔及第二定位孔，所述第一定位孔与所述第二定位孔位于所述导滑面的同一圆弧线上，所述第三链节和第四链节的圆弧面上设置有弹性的定位件，当所述铰链主体呈展开状态时，所述定位件定位于所述第一定位孔内，当所述铰链主体呈弯折状态时，所述定位件定位于所述第二定位孔内。
  23. 如权利要求17或20所述的铰链装置，其特征在于，所述导滑面开设有收容孔，所述定位件设置于所述收容孔内，所述定位件包括滑动地收容于收容孔内的定位杆，以及套设于所述定位杆上的弹性件，所述定位杆的一端设置有球面形的凸包，所述弹性件迫使所述定位杆向外移动而伸出所述收容孔，所述定位件的凸包伸出所述收容孔。
  24. 如权利要求17或20所述的铰链装置，其特征在于，所述圆弧面开设有收容孔，所述定位件设置于所述收容孔内，所述定位件包括滑动地收容于收容孔内的定位杆，以及套设于所述定位杆上的弹性件，所述定位杆的一端设置有球面形的凸包，所述弹性件迫使所述定位杆向外移动而伸出所述收容孔，所述定位件的凸包伸出所述收容孔。
  25. 如权利要求17所述的铰链装置，其特征在于，在所述铰链装置弯折的过程中，当所述定位件越过圆弧面的弧顶时，每一第二链节与所述第一链节之间的磁性件磁性吸附而使所述第二链节的圆弧面继续沿导滑面滑动而相互靠近，直至所述定位件卡入对应的第二定位孔内，所述磁性件相互贴合吸附。
  26. 如权利要求17所述的铰链装置，其特征在于，在所述铰链装置展开的过程中，当所述定位件越过第二链节的圆弧面的弧顶时，所述第一链节与所述第二链节之间的磁性件的磁力少于所述定位件对圆弧面的弹性抵推力，所述定位件弹性抵推所述第二链节的圆弧面继续沿导滑面滑动而相互远离，直至所述定位件卡入对应的第一定位孔内，所述第一链节与所述第二链节之间的磁性条分离。
  27. 如权利要求18、19、21或22所述的铰链装置，其特征在于，所述定位件为弹性定位珠，所述弹性定位珠的珠体能分别卡固于第一定位孔或所述第二定位孔。
  28. 如权利要求18或21所述的铰链装置，其特征在于，所述第一定位孔与所述第二定位孔位于所述圆弧面的同一圆弧线上，所述第一定位孔远离所述条体，所述第二定位孔邻近所述条体。
  29. 一种壳体，包括第一框体、第二框体及根据权利要求1-28中任一项中所述铰链装置，所述铰链装置连接于所述第一框体与所述第二框体之间。
  30. 一种电子装置，包括柔性屏及根据权利要求29中所述壳体，所述柔性屏设置于所述壳体上。
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