WO2020211608A1 - 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
WO2020211608A1
WO2020211608A1 PCT/CN2020/081100 CN2020081100W WO2020211608A1 WO 2020211608 A1 WO2020211608 A1 WO 2020211608A1 CN 2020081100 W CN2020081100 W CN 2020081100W WO 2020211608 A1 WO2020211608 A1 WO 2020211608A1
Authority
WO
WIPO (PCT)
Prior art keywords
hinge
folding device
rail
relative
joint
Prior art date
Application number
PCT/CN2020/081100
Other languages
English (en)
French (fr)
Inventor
洪祝平
刘文俊
苏帅
凡小飞
陈松亚
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/CN2019/083255 external-priority patent/WO2020029605A1/zh
Priority claimed from PCT/CN2019/094550 external-priority patent/WO2021000286A1/zh
Priority claimed from PCT/CN2019/096011 external-priority patent/WO2021007750A1/zh
Priority claimed from PCT/CN2019/103742 external-priority patent/WO2020211257A1/zh
Priority claimed from PCT/CN2019/112388 external-priority patent/WO2021007978A1/zh
Priority claimed from PCT/CN2019/116806 external-priority patent/WO2021088020A1/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 CN202080010605.2A priority Critical patent/CN113366408A/zh
Priority to CN202021229818.8U priority patent/CN213586493U/zh
Priority to PCT/CN2020/098230 priority patent/WO2021031694A1/zh
Priority to CN202010595165.3A priority patent/CN112392851B/zh
Priority to CN202021211027.2U priority patent/CN213424437U/zh
Priority to CN202021211030.4U priority patent/CN213744464U/zh
Priority to CN202010595989.0A priority patent/CN112399735A/zh
Priority to CN202021211589.7U priority patent/CN213424438U/zh
Publication of WO2020211608A1 publication Critical patent/WO2020211608A1/zh
Priority to CN202011200387.7A priority patent/CN113446303A/zh
Priority to US17/211,106 priority patent/US20210307186A1/en
Priority to US17/211,233 priority patent/US20210303033A1/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
    • 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
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack

Definitions

  • the present application relates to the field of flexible member support, and in particular to a folding device supporting a flexible member and an electronic device provided with the folding device.
  • the present application provides a folding device with small cumulative tolerance, less space occupation, and high precision, and electronic equipment provided with the folding device.
  • a folding device provided by the present application includes a bendable mechanism and a transmission mechanism.
  • the bendable mechanism includes a middle hinge located in the middle and connecting hinges that are rotatably connected to opposite sides of the middle hinge;
  • the transmission mechanism connects the middle joint and the connecting joint, and is used for driving the connecting joint to move relative to the middle joint.
  • the present application also provides an electronic device, which includes a flexible member, a housing, and a folding device.
  • the housing includes a first frame and a second frame.
  • the folding device is disposed between the first frame and the Between the second frame, the flexible member is arranged on the housing and the folding device, and the flexible member is bent or flattened with the folding device.
  • the folding device of the electronic equipment of the present application includes a bendable mechanism and a transmission mechanism, the transmission mechanism is connected to the middle joint and the connecting joint, and the transmission mechanism is used to drive the connecting joint to move relative to the middle joint.
  • the transmission mechanism is used to drive the first connecting joint and the second connecting joint to move relative to the middle joint to make the folding device bend or flatten; the folding device does not require multiple sets of racks and gears, and the product tolerance Small, occupy less space, and can achieve high-precision folding.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of an electronic device in one of the embodiments of the present application.
  • FIG. 2 is an exploded schematic view of the three-dimensional structure of the flexible display screen and the housing of the electronic device in FIG. 1.
  • FIG. 3 is an enlarged schematic diagram of the three-dimensional structure of the folding device of the electronic device in FIG. 2.
  • FIG. 4 is a three-dimensional structural diagram of the folding device in FIG. 3 from another perspective.
  • FIG. 5 is an exploded schematic view of a partial three-dimensional structure of the folding device in FIG. 3.
  • Fig. 6 is an exploded schematic view of a partial three-dimensional structure of the folding device in Fig. 4.
  • Fig. 7 is an exploded schematic view of the three-dimensional structure of the middle hinge and two folding assist components in Fig. 5.
  • Fig. 8 is a three-dimensional schematic diagram of the middle hinge and two folding-assisting components in Fig. 7 from another perspective.
  • Fig. 9 is an exploded schematic view of the three-dimensional structure of the middle joint of the hinge assembly in Fig. 7.
  • Fig. 10 is an exploded schematic view of the three-dimensional structure of the middle joint of the hinge assembly in Fig. 9 from another perspective.
  • Fig. 11 is an exploded schematic view of the three-dimensional structure of the first connecting hinge in Fig. 5.
  • Fig. 12 is a three-dimensional structural diagram of the first connecting hinge in Fig. 11 from another perspective.
  • Fig. 13 is an exploded schematic view of the three-dimensional structure of the second connecting hinge in Fig. 6.
  • FIG. 14 is a three-dimensional structural diagram of the second connecting hinge in FIG. 13 from another perspective.
  • Fig. 15 is an enlarged schematic view of the three-dimensional structure of one of the folding-assisting components in Fig. 7.
  • FIG. 16 is a schematic view of a three-dimensional structure of the folding assistance assembly in FIG. 15 from another perspective.
  • Fig. 17 is an exploded schematic view of the three-dimensional structure of the folding assist assembly in Fig. 15.
  • FIG. 18 is an exploded schematic view of the three-dimensional structure of the folding assistance assembly in FIG. 16.
  • FIG. 19 is an exploded schematic view of the three-dimensional structure of the shielding mechanism on the folding device in FIG. 4.
  • FIG. 20 is a schematic diagram of the end structure of the folding device in FIG. 3.
  • Fig. 21 is a cross-sectional view taken along line XXI-XXI in Fig. 3.
  • Fig. 22 is a cross-sectional view taken along line XXII-XXII in Fig. 3.
  • Fig. 23 is a cross-sectional view along the line XXIII-XXIII in Fig. 3.
  • Fig. 24 is a cross-sectional view taken along line XXIV-XXIV in Fig. 3.
  • Fig. 25 is a cross-sectional view along line XXV-XXV in Fig. 3.
  • Fig. 26 is a perspective schematic view of the electronic device in Fig. 1 in a bent state.
  • FIG. 27 is a perspective schematic diagram of the folding device of the electronic equipment of the present application in a bent state.
  • Fig. 28 is a schematic diagram of the end structure of the folding device in Fig. 27.
  • Fig. 29 is a sectional view taken along the line XXIX-XXIX in Fig. 27;
  • Fig. 30 is a sectional view taken along line XXX-XXX in Fig. 27;
  • Fig. 31 is a cross-sectional view taken along line XXXI-XXXI in Fig. 27;
  • Fig. 32 is a cross-sectional view taken along line XXXII-XXXII in Fig. 27;
  • the terms “installed”, “connected”, “connected”, and “installed on” should be understood in a broad sense, unless expressly stipulated and limited otherwise.
  • they can be
  • the fixed connection can also be a detachable connection or an integral connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection between two components.
  • the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.
  • the electronic device 100 in one embodiment of the present invention includes a housing 20 and a flexible member 30 disposed on the housing 20.
  • the housing 20 includes a first frame 21, a second frame 23 and a folding device 22 connected between the first frame 21 and the second frame 23.
  • the flexible member 30 is disposed on the front surface of the first frame body 21, the second frame body 23 and the folding device 22.
  • the flexible member 30 is provided with a bendable area 31 corresponding to the folding device 22 and two non-bendable areas 33 connected to two opposite sides of the bendable area 31.
  • the folding device 22 is used to support the bendable area 31 of the flexible member 30, and the flexible member 30 is bent or flattened with the folding device 22.
  • the folding device 22 includes a bendable mechanism 25, two folding-assisting components 24 and a shielding mechanism 29.
  • the two folding-assisting components 24 are arranged at opposite ends of the bendable mechanism 25.
  • the bendable mechanism 25 includes a middle hinge 250 and connecting hinges rotatably connected to opposite sides of the middle hinge 250; each folding-assisting component 24 includes a transmission mechanism 26, a connecting mechanism 27, and a linkage mechanism 28.
  • the shielding mechanism 29 includes two first shielding mechanisms 290 provided at opposite ends of the bendable mechanism 25 and a second shielding mechanism 295 provided on the back of the bendable mechanism 25.
  • the transmission mechanism 26 is connected to the middle joint 250 and the connecting joint, and is used to drive the connecting joint to move relative to the middle joint 250.
  • the connecting hinge includes a first connecting hinge 254 and a second connecting hinge 257.
  • the first connecting hinge 254 and the second connecting hinge 257 are movably disposed on opposite sides of the middle hinge 250,
  • the transmission mechanism 26 is connected to the middle joint 250 and the first connection joint 254 and the second connection joint 257; the transmission mechanism 26 is used to drive the first connection joint 254 and the second connection joint 257 to move relative to the middle joint 250 , In order to realize the bending or flattening of the bendable mechanism 25, so that the electronic device 100 is bent or flattened.
  • the front surface refers to the same surface as the light emitting surface of the flexible screen
  • the back surface refers to the surface facing away from the light emitting surface of the flexible screen.
  • the electronic device 100 is, for example, but not limited to, mobile phones, tablet computers, displays, liquid crystal panels, OLED panels, TVs, smart watches, VR head-mounted displays, car displays, and other products and components with display functions.
  • the "connection" in the description of the embodiment of the present invention includes both direct connection and indirect connection.
  • the connection of A and B includes the direct connection of A and B or the connection of a third element C or more other elements. Connection also includes two cases: integrated connection and non-integrated connection. Integrated connection means that A and B are integrally formed and connected, and non-integrated connection means that A and B are non-integrated and connected.
  • the folding device 22 of the electronic device 100 of the present invention includes a bendable mechanism 25 and a transmission mechanism 26.
  • the transmission mechanism 26 is connected to the middle joint 250 and the connecting joint.
  • the transmission mechanism 26 is used to drive the connecting joint to move relative to the middle joint 250. .
  • the transmission mechanism 26 is used to drive the first connecting joint 254 and the second connecting joint 257 to move relative to the middle joint 250 to make the folding device 22 bend or flatten; there is no need for multiple sets of gears and racks, and the product tolerance is small. , Occupies less space, and can achieve high-precision folding.
  • the linkage mechanism 28 is connected to the transmission mechanism 26.
  • the connecting hinge on one side rotates, it drives the transmission mechanism 26 on the same side to rotate.
  • the transmission mechanism 26 drives the transmission mechanism 26 on the other side to rotate through the linkage mechanism 28, and then drives the other side.
  • the connecting joints rotate. Specifically, when the first connecting hinge 254 rotates, it drives the transmission mechanism 26 on the same side to rotate.
  • the transmission mechanism 26 drives the transmission mechanism 26 on the other side to rotate through the linkage mechanism 28, and the transmission mechanism 26 on the other side drives the
  • the second connecting hinge 257 rotates; when the second connecting hinge 257 rotates, it drives the transmission mechanism 26 on the same side to rotate.
  • the transmission mechanism 26 drives the transmission mechanism 26 on the other side to rotate through the folding device 22, and the transmission mechanism 26 on the other side rotates.
  • the mechanism 26 drives the first connecting hinge 254 to rotate, thereby realizing the linkage of the bendable mechanism 25.
  • the movement of the connecting joint relative to the middle joint 250 includes rotation relative to the middle joint 250 and sliding relative to the middle joint 250, that is, the connecting joint rotates relative to the middle joint 250 while sliding relative to the middle joint 250.
  • the first connecting joint 254 slides relative to the middle joint 250 while rotating relative to the middle joint 250; the second connecting joint 257 slides relative to the middle joint 250 while rotating relative to the middle joint 250.
  • the connecting mechanism 27 is connected between the middle joint 250 and the connecting joint.
  • the connecting mechanism 27 slides relative to the connecting joint when the connecting joint is movable relative to the middle joint; specifically, the connecting mechanism 27 is connected to the middle joint 250 and the first joint.
  • the connecting mechanism 27 is relative to the first connecting joint 254 and/or when the first connecting joint 254 and/or the second connecting joint 257 moves relative to the middle joint 250.
  • the second connecting hinge 257 slides.
  • the two folding aid components 24 are respectively connected to opposite ends of the back of the middle hinge 250 by a number of screws.
  • the length of the middle hinge 250 in the direction of the bending axis of the bendable mechanism 25 and the first connecting hinge 254 and The length of the second connecting hinge 257 in the direction of the bending axis of the bendable mechanism 25 is similar.
  • the middle part of the first shielding mechanism 290 of each folding aid assembly 24 is connected to the end of the middle hinge 250.
  • the first shielding mechanism The opposite ends of the 290 are respectively connected to the ends of the first connecting hinge 254 and the second connecting hinge 257, and the first shielding mechanism 290 is bent or flattened with the bendable mechanism 25.
  • the transmission mechanism 26 of each folding-assisting assembly 24 includes transmission rods 260 on opposite sides.
  • Each folding-assisting assembly 24 includes rail rods on opposite sides, and the ends of the two rail rods away from the central hinge 250 are slidably connected to the first connecting hinge 254 and the second connecting hinge 257 respectively.
  • the middle joint 250 includes a middle joint 251, and two rotation joints located on opposite sides of the middle joint 251; specifically, the two rotation joints include a middle joint The first rotating joint 252 on the left side of 251, and the second rotating joint 253 on the right side of the middle joint 251.
  • the middle joint 251 is strip-shaped, which includes a front face with a circular arc in cross section.
  • a reinforcing bar 2510 is protruding from the middle of the back of the middle joint 251.
  • the back of the middle joint 251 is provided at opposite ends of the reinforcing bar 2510.
  • the connecting columns 2512 are each provided with a connecting hole in the axial direction.
  • the front opposite ends of the middle joint 251 are respectively provided with two spaced countersunk holes 2514, and each counterbore 2514 penetrates the back of the middle joint 251; one of the countersunk holes 2514 at the same end is adjacent to the end, and the other The head hole 2514 is close to the corresponding connecting post 2512.
  • the two counterbores 2514 at opposite ends of the middle hinge 251 are used to connect the two folding assisting components 24 respectively.
  • the first rotating joint 252 and the second rotating joint 253 have the same structure.
  • the first rotating joint 252 is strip-shaped and includes a front face with a circular arc in cross section.
  • the middle of the back of the first rotating hinge 252 is protrudingly provided with a reinforcing bar 2520, and the back of the first rotating hinge 252 is provided with first arc guide plates 2522 at opposite ends of the reinforcing bar 2520, and each first arc guide plate 2522 is bent toward the side away from the middle hinge 251;
  • the back of the first rotating hinge 252 is provided with a second arc guide plate 2524 adjacent to each first arc guide plate 2522, and each second arc guide plate 2524 faces the middle hinge
  • One side of the joint 251 is bent, and the two first arc-shaped guide plates 2522 are located between the two second arc-shaped guide plates 2524.
  • the second rotating hinge 253 includes a reinforcing bar 2530 at the middle of the back, a first arc guide plate 2532 at opposite ends of the reinforcing bar 2530, a second arc guide plate 2534 adjacent to each first arc guide plate 2532, and two The positioning block 2536 at the end; each positioning block 2536 is provided with a connecting hole 2537.
  • the first connecting hinge 254 includes a mounting frame 255 connected to the middle hinge 250, a connecting frame 256 slidably connected to the mounting frame 255, two sliding parts 259, and two drop limits Position agencies 258.
  • the mounting frame 255 includes a strip-shaped mounting plate 2551.
  • the mounting plate 2551 includes a first plate body 25511 located in the middle and a second plate body 25512 fixedly connected to opposite ends of the first plate body 25511. An end of the second plate body 25512 facing the first plate body 25511 is provided with a positioning groove, and the end of the first plate body 25511 is accommodated in the positioning groove and fixed by a locking member.
  • the opposite ends of the mounting plate 2551 on the side facing away from the middle hinge 250 respectively extend a lug 2555 vertically outward, that is, the end of each second board body 25512 away from the first board body 25511 vertically extends the lug 2555 outward.
  • Two protruding pieces 25516 are provided on the side of the first board 25511 away from the lug 2555.
  • the opposite ends of the first connecting hinge 254 are respectively provided with fixing slots 25518.
  • each lug 2555 is provided with a first guide chute 2556 for receiving the fall limit mechanism 258 along its extension direction, and opposite ends of the first guide chute 2556 penetrate the second board 25512 and the lug 2555 respectively;
  • the front of the lug 2555 is provided with a receiving groove 2557 passing through the first guide sliding groove 2556, so that the lug 2555 is provided with a stop bar 2558 at the end of the receiving groove 2557 away from the second plate body 25512, and at the end adjacent to the second plate body 25512
  • a limit part 2559 is provided, and the drop limit mechanism 258 is located between the stop bar 2558 and the limit part 2559.
  • the stop bar 2558 is provided with a first limiting surface 25581 facing the limiting portion 2559.
  • the limiting portion 2559 includes an inclined second limiting surface 25591, and the first limiting surface 25581 is inclined relative to the second limiting surface 25591.
  • the limiting portion 2559 is an extension piece extending from the second plate body 25512 to the receiving slot 2557.
  • the receiving slot 2557 encloses the receiving slot 25593 on one side of the limiting portion 2559, and the second limiting surface 25591 is provided on the The extension piece is away from one end of the second plate body 25512, the second limiting surface 25591 faces away from the receiving groove 25593, and the second limiting surface 25591 is adjacent to one end of the receiving groove 25593 in an arc transition.
  • the mounting plate 2551 faces the side of the connecting frame 256. Two pairs of receiving slots 2552 are opened between the two lugs 2555. Each receiving slot 2552 passes through the side surface of the mounting plate 2551 provided with the lug 2555, and each receiving slot 2552 A first elastic member 2553 is provided. Specifically, the opposite ends of the first plate body 25511 are respectively provided with a pair of receiving slots 2552, and each first elastic member 2553 is a spring. The front of the mounting plate 2551 is provided with a strip groove 2554 between each pair of receiving grooves 2552.
  • the strip groove 2554 extends in the direction perpendicular to the length of the mounting plate 2551 and penetrates the side surface of the mounting plate 2551 with the lug 2555; the mounting plate 2551 Two stepped holes 25510 are opened at the opposite ends of the back of the two stepped holes 25510, and the two stepped holes 25510 pass through the two strip-shaped slots 2554; each stepped hole 25510 is strip-shaped, specifically, each stepped hole 25510 is along the length of the strip-shaped slot 2554 Direction extension.
  • the mounting plate 2551 is provided with a second elastic member 25515 on opposite sides of each lug 2555. Specifically, the mounting plate 2551 respectively protrudes setting posts on two opposite sides of each lug 2555, and each positioning post is A second elastic member 25515 is sleeved, and each second elastic member 25515 is a spring.
  • the two ends of the back of the mounting plate 2551 are adjacent to each lug 2555 along the length of the mounting plate 2551 with mounting grooves 2550.
  • Each mounting groove 2550 is adjacent to one end of the corresponding first guide chute 2556.
  • the first guide sliding groove 2556 is connected; the mounting plate 2551 is provided with a through hole 25501 on the bottom wall of the mounting groove 2550.
  • a positioning mechanism 2576 is provided in the first connecting hinge 254, and the positioning mechanism 2576 is used to position the bendable mechanism 25 in a flat state or a bent state.
  • the positioning mechanism 2576 includes a positioning member 25760 slidably disposed in the mounting groove 2550 and an elastic member 25765 that elastically pushes the positioning member 25760.
  • the positioning member 25760 is provided with a clamping block 25761 whose outer peripheral surface is a circular arc surface, and the two opposite ends of the positioning member 25760 facing away from the clamping block 25761 are respectively provided with connecting rods 25766.
  • the positioning member 25760 defines a strip-shaped sliding guide groove 25764 between the clamping block 25761 and the connecting rod 25766.
  • the guide sliding groove 25764 extends along the length of the mounting plate 2551 and penetrates the front and back of the positioning member 25760.
  • the positioning member 25760 is slidably received in the mounting groove 2550.
  • the two elastic members 25765 are respectively sleeved on the two connecting rods 25766 and connected to the inner wall of the mounting groove 2550.
  • the elastic member 25765 can push the positioning member 25760 and slide along the mounting groove 2550.
  • the block 25761 can be inserted into the corresponding first guide slot 2556.
  • the elastic member 25765 is a spring sleeved on the connecting rod 25766, one end of the spring is sleeved on the connecting rod 25766, and the opposite end abuts against the inner wall of the mounting groove 2550.
  • the positioning mechanism 2576 further includes a cover plate 25768 and a locking member that passes through the through hole of the cover plate 25768 and is locked to the first connecting hinge 254 so that the positioning member 25760 is slidably received in the mounting groove 2550.
  • a transmission groove 25514 is formed on the back of the mounting plate 2551 near each lug 2555.
  • the transmission groove 25514 is an arc-shaped groove.
  • the transmission groove 25514 penetrates the side of the mounting plate 2551 away from the lug 2555.
  • the transmission groove 25514 extends along the length direction perpendicular to the mounting plate 2551.
  • the bottom surface of the transmission groove 25514 is an arc surface, and the arc surface is curved toward the front of the mounting plate 2551, that is, the depth direction of the transmission groove 25514 is that of the mounting plate 2551.
  • the thickness direction In this embodiment, a transmission slot 25514 is provided on the back of each second board 25512 adjacent to the lug 2555.
  • Each second plate body 25512 is provided with a recess around the transmission groove 25514, and the recess is used to fix the cover plate 25513; the side of the cover plate 25513 facing the mounting plate 2551 is provided with a protrusion 25517 corresponding to the transmission groove 25514.
  • the block 25517 is provided with an arc-shaped outer circumferential surface; when the cover 25513 is accommodated in the recess, the protrusion 25517 is accommodated in the transmission groove 25514, so that the outer circumferential surface of the protrusion 2551 and the transmission groove 25514 The arc-shaped surface forms an arc-shaped groove.
  • a sliding member 259 is slidably sleeved on each lug 2555, and a drop-limiting mechanism 258 is movably received in the receiving slot 2557 of each lug 2555.
  • a sliding guide groove 2591 is provided on the front of the sliding member 259, and the lug 2555 can be slidably inserted into the guide sliding groove 2591; the sliding member 259 corresponds to the receiving groove 2557 of the lug 2555 and is provided with a connecting post 2591 protruding toward the guide sliding groove 2591 to connect
  • the column 2593 defines a connecting hole 2594 axially.
  • the sliding member 259 corresponding to the receiving groove 2557 of the lug 2555 is provided with a first limiting portion 2595 facing the guide sliding groove 2591.
  • the connecting post 2591 is located at the end adjacent to the side of the mounting plate 2551, and the first limiting portion 2595 is located away from the connection One side of column 2593.
  • the fall limit mechanism 258 includes a connecting rod 2580 and a connecting piece 2585.
  • the connecting rod 2580 includes a first connecting rod 2581 and a second connecting rod 2582; the first connecting rod 2581 and the second connecting rod 2582 are rectangular pieces, and two opposite The end surface is set in an arc shape; the opposite ends of the first connecting rod 2581 and the second connecting rod 2582 are respectively provided with through holes 2583, and the connecting member 2585 is inserted into the through hole 2583 and the second connecting rod at the second end of the first connecting rod 2581
  • the through hole 2583 at the second end of the 2582 is used to rotatably connect the first link 2581 and the second link 2582; the through hole 2583 at the first end of the second link 2583 is used to rotatably connect to the slider 259
  • a stop 2586 is
  • the connecting frame 256 includes a strip-shaped connecting plate 2561 and a connecting piece 2563 disposed on the connecting plate 2561 facing away from the middle hinge 250.
  • the connecting piece 2563 extends along the length direction perpendicular to the connecting plate 2561, and the extending length of the connecting piece 2563 is smaller than the length of the connecting plate 2561.
  • the connecting plate 2561 is provided with four connecting posts 2575.
  • the four connecting posts 2575 are arranged along the length of the connecting plate 2561.
  • the connecting posts 2565 at both ends correspond to the through holes 25501 at opposite ends of the mounting plate 2551, and the two connecting posts 2565 in the middle.
  • connecting piece 2563 Corresponding to the stepped holes 25510 of the mounting plate 2551, opposite ends of the connecting piece 2563 are respectively connected to the two connecting posts 2565 in the middle through reinforcing ribs to enhance the strength of the connecting piece 2563.
  • Each connecting post 2565 axially defines a connecting hole 2567.
  • the second elastic members 25515 are respectively sleeved on the positioning posts of the mounting plate 2551; the two sliding members 259 are respectively sleeved on the two lugs 2555 of the mounting frame 255, and the second connecting rod 2582 of each connecting rod 2580 is It is accommodated in the receiving slot 25593, and the first connecting rod 2581 is adjacent to the second limiting surface 25591 of the second limiting portion 2559. At this time, each sliding member 259 is sleeved on the corresponding lug 2555 and connected to the two corresponding second elastic members 25515.
  • connection frame 256 Cover the connecting frame 256 on the mounting frame 255, so that the four connecting posts 2566 of the connecting frame 256 can be slidably inserted into the two strip grooves 2554 and the two through holes 25501 of the mounting frame 255.
  • the connecting pieces of the connecting frame 256 2563 abuts against the first elastic member 2553 on the mounting frame 255, the connecting plate 2561 of the connecting frame 256 is covered on the mounting frame 255, and the two locking members are respectively inserted into the step holes 25510 on the back of the mounting frame 255 and connected to the connecting post 2566
  • the connecting hole 2567 enables the connecting frame 256 to slide relative to the mounting frame 255 along the stepped hole; two locking members are respectively inserted into the cover plate 25768 and the guide sliding groove 25764 of the positioning member 25760 to connect to the corresponding connecting hole 2567 on the connecting frame 256.
  • each connecting post 2565 can slide along the corresponding strip groove 25510, and the two sliding members 259 can slide relative to the mounting frame 255 ;
  • the two connecting rods 2580 can rotate in the corresponding receiving slot 2557.
  • the second connecting hinge 257 includes a strip-shaped connecting plate 2571.
  • the connecting plate 2571 includes a first plate body 2572 located in the middle and a second plate body 2572 fixedly connected to opposite ends of the first plate body 2572.
  • the first board body 2572 and the second board body 2574 are connected by a clamping block and a slot; the first board body 2572 and the second board body 2574 can also be screwed or glued.
  • Fixed connection In this embodiment, the end of each second plate 2574 facing the first plate 2572 is provided with a positioning groove, and the end of the first plate 2572 is accommodated in the positioning groove and fixed by a locking member.
  • the two opposite ends of the second connecting hinge 257 facing away from the middle hinge 250 are respectively provided with lugs 2575. Specifically, the end of each second board 2574 away from the first board 2572 is provided with the lugs 2575. Two tabs 25723 are provided on the side of the first board 2572 away from the lug 2575. Two opposite ends of the second connecting hinge 257 are respectively provided with a fixing block 25725, and the fixing block 25725 is provided with a connecting hole.
  • the two opposite ends of the connecting plate 2571 facing the middle hinge 250 are respectively provided with spaced second sliding grooves 2570, and the second sliding grooves 2570 extend along the length direction perpendicular to the connecting plate 2571.
  • a mounting groove 2573 is formed on the back of the connecting plate 2571 adjacent to each second sliding groove 2570.
  • One end of each mounting groove 2573 adjacent to the corresponding second sliding groove 2570 is connected to the second sliding groove 2570, and the connecting plate 2571 faces each mounting groove.
  • 2573 protruding setting posts 25730, and each positioning post 25730 defines a connecting hole 25732 along the axial direction.
  • a positioning mechanism 2576 is also provided in the second connecting hinge 257, and the positioning mechanism 2576 is used to position the bendable mechanism 25 in a flat state or a bent state.
  • the positioning mechanism 2576 includes a positioning member 25760 that is slidably received in the mounting groove 2573 and an elastic member 25765 that elastically pushes the positioning member 25760; one end of the positioning member 25760 is provided with a block 25761 whose outer peripheral surface is an arc surface, The two opposite ends of the positioning member 25760 facing away from the clamping block 25761 are respectively provided with connecting rods 25766.
  • the positioning member 25760 defines a strip-shaped sliding guide groove 25764 between the clamping block 25761 and the connecting rod 25766.
  • the guide sliding groove 25764 extends along the length direction of the mounting plate 2571 and penetrates the front and back of the positioning member 25760.
  • the positioning member 25760 is slidably received in the mounting groove 2573.
  • the two elastic members 25765 are respectively sleeved on the two connecting rods 25766 and connected to the inner wall of the mounting groove 2573.
  • the elastic member 25765 can push the positioning member 25760 and slide along the mounting groove 2573.
  • the block 25761 can be inserted into the corresponding second guide chute 2570.
  • a transmission groove 2577 is provided on the back of the connecting plate 2571 near each lug 2575.
  • the transmission groove 2577 is an arc-shaped groove.
  • the transmission groove 2577 penetrates the side of the connecting plate 2571 away from the lug 2575.
  • the transmission groove 2577 extends along the length direction perpendicular to the connecting plate 2571.
  • the bottom surface of the transmission groove 2577 is an arc surface, and the arc surface is curved toward the front of the connecting plate 2571, that is, the depth direction of the transmission groove 2577 is that of the connecting plate 2571.
  • the thickness direction In this embodiment, a transmission groove 2577 is provided on the back of each second plate 2574 adjacent to the lug 2575.
  • Each second plate 2574 is provided with a depression around the transmission groove 2577, and the depression is used to fix the cover plate 2578; the side of the cover plate 2578 facing the connecting plate 2571 is provided with a protrusion 25780 corresponding to the transmission groove 2577.
  • the block 25780 is provided with an arc-shaped outer peripheral surface; when the cover plate 2578 is accommodated in the recess, the protrusion 25780 is accommodated in the transmission groove 2577, so that the outer peripheral surface of the protrusion 25780 and the transmission groove 2577 The arc-shaped surface forms an arc-shaped groove.
  • the transmission mechanism 26 includes a transmission member 262 and a first connecting frame 264 disposed on opposite sides of the folding assist assembly 24.
  • the first connection frame 264 is used to connect the two transmission members 262 to the auxiliary Fold component 24.
  • Each transmission member 262 is L-shaped and includes a bar-shaped transmission rod 2621, a sliding guide rod 2623 arranged at one end of the transmission rod 2621, and a connecting cylinder 2624 arranged at the other end of the transmission rod 2621.
  • the guide sliding rod 2623 is perpendicular to The length direction of the transmission rod 2621.
  • the transmission rod 2621 is provided with a circular arc setting at one end of the guide sliding rod 2623, and the guide sliding rod 2623 is a round rod.
  • the axial direction of the connecting cylinder 2624 is perpendicular to the length direction of the transmission rod 2621, the end surface of the connecting cylinder 2624 facing away from the transmission rod 2621 is set as an arc surface, the cross section of the inner cavity of the connecting cylinder 2624 is waist-shaped, and the connecting cylinder 2624 faces away from the sliding guide rod 2623
  • a notch 2625 is provided at one end of the connector, and the angle of the notch 2625 corresponding to the central angle of the connecting cylinder 2624 is greater than 180 degrees.
  • the first connecting frame 264 includes a connecting piece 2641 and an overlapping piece 2645 arranged at the middle of one side of the connecting piece 2641. The overlapping piece 2645 is perpendicular to the connecting piece 2641.
  • the opposite ends of the connecting piece 2641 are respectively provided with rotating holes 2642, the opposite ends of the connecting piece 2641 are respectively set as arc surfaces; the middle of the connecting piece 2641 is provided with a through hole 2643.
  • a connecting hole 2646 is defined in the middle of one end of the overlapping piece 2645 away from the connecting piece 2641.
  • the connecting mechanism 27 includes a rail block and a rail rod connected to the rail block.
  • the rail block includes a first rail block 271, a second rail block 272 and located between the first rail block 271 and the second rail block 272.
  • the rail rod includes a first rail rod 275 rotatably connected between the first rail block 271 and the third rail block 274, and rotatably connected to the second rail block 272 and the third rail
  • the first rail rod 275 and the second rail rod 277 are respectively rotatably connected to the rail block through different virtual axes; specifically, the first rail rod 275 rotates along the first virtual axis L1 (as shown in FIG. 21), and the second rail The lever 277 rotates along the second virtual axis L2 (as shown in FIG. 21).
  • the first rail block 271 has an arc-shaped front face 2710, and the back of the first rail block 271 is provided with a first rotating cavity 2711 at one end close to the third rail block 274.
  • the first rotating cavity 2711 of the first rail block 271 The bottom surface is a first rail curved surface 2712.
  • the first rail block 271 is provided with an arc-shaped first guide groove 2714 at an end of the first rail curved surface 2712 away from the third rail block 274, the first rail curved surface 2712 and the first guide groove 2714
  • the axis of the axis is collinear.
  • the first rail block 271 is provided with a notch 2715 on one side of the first rotating cavity 2711, and the first rail block 271 is provided with a strip-shaped through slot 27160 on the side of the first rotating cavity 2711 away from the notch 2715.
  • the through slot 27160 The first rotating cavity 2711 is connected, and the through groove 27160 extends along the circumferential direction of the first rail curved surface 2712 to a position adjacent to the gap 2715.
  • the through groove 27160 is provided with an elastic first snap-fitting portion 2716, the first snap-fitting portion 2716 is an arc-shaped piece, and the arc-shaped piece extends from the end of the through groove 27160 away from the notch 2715 along the passage.
  • the groove 27160 extends.
  • the end of the first snap-fitting portion 2716 protrudes into the first rotating cavity 2711 with a snap strip 27162 that extends along the width direction of the first snap-fit portion 2716, and the outer peripheral surface of the snap strip 27162 is a circular arc surface .
  • the first rail block 271 has a connecting hole 2717 along the axial direction of the first rail curved surface 2712, and the connecting hole 2717 on the same side as the notch 2715 extends to the vicinity of the first guide groove 2714.
  • the connecting hole 2717 on the opposite side passes through the first rail block 271.
  • the first rail block 271 has gaps 2718 on opposite sides of one end away from the first rotating cavity 2711, and the central angle of the connecting hole 2717 corresponding to the gap 2718 is greater than 180 degrees.
  • a positioning hole 2719 is provided in the middle of the first rail block 271 facing away from the first rotating cavity 2711.
  • the second rail block 272 is fixedly connected to the first shielding mechanism 290.
  • the structure of the second rail block 272 is similar to that of the first rail block 271; specifically, the second rail block 272 has an arc-shaped front face 2720.
  • a second rotating cavity 2721 is provided on the back of the second rail block 272 near the end of the third rail block 274.
  • the bottom surface of the second rotating cavity 2721 of the second rail block 272 is a second rail curved surface 2722.
  • An arc-shaped second guide groove 2724 is provided at one end of the guide rail curved surface 2722 away from the third guide rail block 274, and the second guide rail curved surface 2722 is collinear with the axis of the second guide groove 2724.
  • the second rail block 272 is provided with a notch 2725 on one side of the second rotating cavity 2721, and the second rail block 272 is provided with a strip-shaped through slot 27260 on the side of the second rotating cavity 2712 away from the notch 2725.
  • the through slot 27260 The second rotating cavity 2721 is connected, and the through groove 27260 extends along the circumferential direction of the second rail curved surface 2722 to a position adjacent to the gap 2725.
  • the through groove 27260 is provided with an elastic second snap-fitting portion 2726, the second snap-fitting portion 2726 is an arc-shaped piece, and the arc-shaped piece extends from the end of the through groove 27260 away from the notch 2725 along the passage.
  • the groove 27260 extends.
  • a matching groove 27262 is formed between the end of the second snap-fitting portion 2726 and the inner surface of the through groove 27260 adjacent to the end of the notch 2725, and the matching groove 27262 extends along the axial direction of the second rail curved surface 2722.
  • a connecting hole 2727 is defined on the side of the second rail block 272 away from the notch 2725 along the axial direction of the second rail curved surface 2712.
  • the second rail block 272 has a positioning hole 2729 in the middle of one end away from the second rotating cavity 2721; the second rail block 272 has one end with the positioning hole 2729 fixedly connected to the first shielding mechanism 290.
  • the third rail block 274 includes a front surface 2740 having a substantially arc shape, a back surface facing away from the front surface 2740, and two opposite side surfaces 2741.
  • the side surface 2741 facing the first rail block 271 is provided with a guide groove 2743 and a positioning post 2744.
  • the positioning post 2744 corresponds to the connecting hole 2717 on the side of the first rail block 271 away from the gap 2715. When the positioning post 2744 is inserted into the connection
  • the guide slot 2743 corresponds to the first guide slot 2714 of the first rail block 271, that is, the axis line of the guide slot 2743 and the first guide slot 2714 are the same.
  • the side 2741 facing the second rail block 272 is provided with a guide groove 2746 and a positioning post 2747.
  • the positioning post 2747 corresponds to the connecting hole 2727 on the side of the second rail block 274 away from the gap 2725.
  • the guide slot 2746 corresponds to the second guide slot 2724 of the second rail block 272, that is, the axis of the guide slot 2746 and the second guide slot 2724
  • the lines are collinear.
  • the axis of the guide groove 2743 and the axis of the guide groove 2746 are parallel and spaced apart.
  • the first rail matching surface 2751 is an arc surface corresponding to the first rail curved surface 2712 of the first rail block 271, that is, when the first rail rod 275 is connected to the first rail
  • the first rail matching surface 2751 slidably fits on the first rail curved surface 2712, and the first rail matching surface 2751 rotates along the track of the first rail curved surface 2712.
  • the first rail is engaged
  • the surface 2751 is collinear with the axis of the first rail curved surface 2712, and the first rail rod 275 rotates relative to the first guide block 271 along the first virtual axis L1.
  • the first rail rod 275 is provided with first slide rails 2753 along the first rail matching surface 2751 at opposite ends of the first rail matching surface 2751, and the two first slide rails 2753 respectively correspond to the first guide grooves of the first rail block 271 2714 and the guide groove 2743 of the third guide block 274.
  • the first clamping portion 2752 is located in the middle of the first rail rod 275 on the first rail matching surface 2751 adjacent to the front side of the first rail rod 275; preferably, the first clamping portion 2752 is along the first rail matching surface 2751 axially extending bar-shaped card points.
  • An avoidance slot 2754 is provided on the front of the first rail rod 275 adjacent to the first sliding rail 2753.
  • Two fixing holes 2755 are provided on the back of the first rail rod 275 adjacent to the avoiding slot 2754.
  • An extension piece 2756 extends from one end of the first rail rod 275 away from the first rail mating surface 2751 along the length direction of the first rail rod 275, and a connecting hole 2757 is formed at the end of the extension piece 2756.
  • At least one positioning opening 2758 is provided at the side of the first rail rod 275 away from the first rail block 271 adjacent to the extension piece 2756.
  • the structure of the second rail rod 277 is similar to that of the first rail rod 275. Specifically, one end of the second rail rod 277 is provided with a second rail mating surface 2771, which corresponds to the second rail block 272.
  • the arc surface of the second rail curved surface 2722 that is, when the second rail rod 277 is connected to the second rail block 272, the second rail mating surface 2771 rotates along the track of the second rail curved surface 2722, and the second rail is engaged The surface 2771 rotates along the track of the second rail curved surface 2722.
  • the second rail matching surface 2771 is collinear with the axis of the second rail curved surface 2722, and the second rail rod 277 is relative to the second rail along the second virtual axis L2.
  • the two guide rail block 272 rotates.
  • the second rail rod 277 is provided with a second slide rail 2773 along the second rail matching surface 2771 at opposite ends of the second rail matching surface 2771.
  • the two second slide rails 2773 respectively correspond to the second guide grooves of the second rail block 272. 2724 and the guide groove 2746 of the third guide block 274.
  • the second rail rod 277 is provided with a second clamping portion 2772 in the middle of the second rail matching surface 2771 adjacent to the front side of the second rail rod 277; preferably, the second clamping portion 2772 is fitted along the second rail.
  • the surface 2771 has a strip-shaped convex wall extending in the axial direction.
  • the front side of the second rail rod 277 is adjacent to the second slide rail 2773 with an escape groove 2774.
  • Two fixing holes 2775 are provided on the back of the second rail rod 277 adjacent to the avoiding slot 2774.
  • At least one positioning opening 2778 is provided on the side of the second rail rod 277 away from the second rail
  • each linkage 28 includes two parallel first shafts 281, a linkage 282, two sets of fixing pieces 283, a second connecting frame 284, a fixing block 286 and a connecting column 287.
  • the two first shafts 281 are provided on opposite sides of the linkage 282, and the two sets of fixing pieces 283 and the second connecting frame 284 are used to connect the two first shafts 281 and the linkage 282.
  • the two first shafts 281 are physical shafts and are connected to the two transmission members 262 respectively.
  • the linkage member 282 is connected between the two first shafts 281.
  • One of the transmission members 262 rotates and can drive the corresponding first shaft 281 to rotate.
  • the first shaft 281 drives the other first shaft 281 to rotate through the linkage 282, so that the other transmission member 262 also rotates.
  • the two first shafts 281 are symmetrical about the center line of the linkage 282.
  • Each first shaft 281 and the linkage 282 are connected by a slider 2821 that is matched with the spiral guide groove 2811 and the spiral guide groove 2811.
  • One of the first shafts 281 rotates so that the slider 2821 is in the corresponding spiral guide groove 2811. Sliding causes the linkage 282 to move along the direction parallel to the axis of the first shaft 281 to drive the other first shaft 281 to rotate together.
  • the linkage 282 is a linkage block.
  • the linkage 282 includes two opposite side surfaces 2822.
  • the two side surfaces 2822 define two opposite receiving grooves 2823 along the axial direction of the first shaft 281.
  • the cross section of each receiving groove 2823 is arc-shaped.
  • the slider 2821 protrudes from the inner surface of the receiving groove 2823.
  • the outer surface of each slider 2821 is a spherical surface.
  • the cross section of the inner surface of each receiving groove 2823 is semicircular, and the inner surface of each receiving groove 2823 of the linkage 282 is provided with at least one sliding block 2821 along the extending direction of the receiving groove 2823.
  • each receiving groove 2823 is provided with two or more sliding blocks 2821 spaced apart from each other along the extending direction of the receiving groove 2823.
  • a through hole 2825 is provided in the middle of the linkage 282 along the extending direction of the receiving groove 2823.
  • the outer peripheral walls of the two first shafts 281 are respectively rotatably received in the two receiving grooves 2823.
  • the outer peripheral wall of each first shaft 281 is provided with at least one spiral guide groove 2811.
  • the slider 2821 in the receiving groove 2823 is slidably inserted into the spiral guide groove 2811.
  • the cross section of the inner surface of each spiral guide groove 2811 is semicircular, and the outer surface of the slider 2821 is slidably attached to the inner surface of the corresponding spiral guide groove 2811.
  • a rotating drum 2812 is fixedly sleeved in the middle of each first shaft 281, the rotating drum 2812 is a cylinder, and the spiral guide groove 2811 is opened on the outer peripheral wall of the rotating drum 2812.
  • a spiral guide groove 2811 is provided on the outer circumferential wall of the drum 2812; in other embodiments, the outer circumferential wall of the drum 2812 is provided with two or more spiral guide grooves 2811 spaced apart from each other.
  • the radius of the rotating drum 2812 is equal to the radius of the receiving groove 2823, so that the outer peripheral wall of each rotating drum 2812 is attached to the inner peripheral wall of the corresponding receiving groove 2823.
  • the opposite ends of the outer peripheral wall of the rotating cylinder 2812 of each first shaft 281 are respectively provided with annular grooves 2814 along the circumferential direction.
  • the slot 2814 is used for clamping the fixing piece 283.
  • the cross section of the first end 2815 of each first shaft 281 is waist-shaped, and the cross section of the opposite second end 2816 is circular.
  • the first end 2815 of each first shaft 281 is used to connect the corresponding transmission member 262.
  • each fixing piece 283 is respectively provided with hooks 2832, the middle of the fixing piece 283 is provided with a hole 2834, and each hook 2832 can be inserted into the corresponding slot 2814.
  • the second connecting frame 284 includes a connecting piece 2841 and an overlapping piece 2845 arranged at the middle of one side of the connecting piece 2841, and the overlapping piece 2845 is perpendicular to the connecting piece 2841.
  • the opposite ends of the connecting piece 2841 are respectively provided with rotating holes 2842, the opposite end surfaces of the connecting piece 2841 are respectively set as arc surfaces; the middle of the connecting piece 2841 is provided with a through hole 2842.
  • a connecting hole 2846 is opened in the middle of one end of the overlapping piece 2845 away from the connecting piece 2841.
  • the fixed block 286 includes an arc-shaped front surface 2861, a bottom surface, opposite two end surfaces 2862, and two opposite side surfaces.
  • the central end of the front surface 2861 of the fixed block 286 is provided with a receiving groove 2863, and the receiving groove 2863 penetrates through the end surface 2862.
  • the bottom surface of the receiving groove 2863 of the 286 defines a connecting hole 28630; the fixing block 286 faces away from the middle of the end surface 2862 of the receiving groove 2863 and a connecting piece 2864 is protrudingly provided on the connecting piece 2864, and a through hole is opened on the connecting piece 2864.
  • the fixing block 286 is provided with the accommodating groove 2863 on opposite sides of the end surface 2862 respectively provided with a connecting hole 2865, and the connecting hole 2865 does not penetrate the fixing block 286.
  • the fixing block 286 is provided with a connecting piece 2864 on opposite sides of the end face 2862 respectively provided with guide grooves 2867, each guide groove 2867 is a circular arc groove, and the two guide grooves 2867 respectively penetrate two opposite sides of the fixing block 286.
  • the number of the first shielding mechanism 290 is two, that is, the shielding mechanism 290 is provided at the end of each folding-assisting assembly 24.
  • the first shielding mechanism 290 includes a plurality of hinged shielding units, and the plurality of shielding units are respectively connected to the connecting mechanism 27, the first rotating hinge 252, the second rotating hinge 253, the first connecting hinge 254, and the second rotating hinge. Connect the hinge 257.
  • the shielding unit in the middle of each first shielding mechanism 290 is integrally formed with the second rail block 272 of the connecting mechanism 27, and the shielding units at opposite ends are connected to the first connecting hinge 254 and the second connecting hinge 257, respectively.
  • the shutter units also rotate relatively.
  • the first shielding mechanism 290 is used for shielding foreign objects such as dust or water from entering the folding device 22 from the side.
  • Each first shielding mechanism 290 is a bracelet-like structure in which a plurality of shielding units are sequentially connected.
  • the plurality of shielding units includes a first shielding unit, a second shielding unit, and The third shielding unit between the second shielding units, the first shielding unit is connected to the connecting mechanism 27, the second shielding unit is connected to the first connecting joint 254 and the second connecting joint 257, and the third shielding unit is connected to the first rotating hinge Section 252 and the second rotating hinge 253.
  • the first shielding mechanism 290 includes a middle baffle 291 located in the middle, a connecting baffle 292 rotatably connected to opposite sides of the middle baffle 291, and a connecting baffle 292 that is rotatably connected to each connecting baffle 292 away from the middle baffle. 291 side fixed baffle 293.
  • the middle blocking piece 291 is fixedly connected to the end of the second rail block 272 away from the first rail block 271, and the two connecting blocking pieces 292 are respectively fixedly connected to the first rotating joint 252 and the second rotating joint 253,
  • Two fixed baffles 293 are respectively fixedly connected to the ends of the first connecting hinge 254 and the second connecting hinge 257.
  • the first blocking unit is a middle blocking piece 291
  • the second blocking unit is a fixed blocking piece 293
  • the third blocking unit is a connecting blocking piece 292.
  • the middle blocking piece 291 includes a connecting portion 2911 having a generally waist shape and a shielding portion 2912 provided on one side of the connecting portion 2911.
  • Rotating shafts 2914 are respectively provided at two opposite ends of the connecting portion 2911 adjacent to the second rail block 272.
  • the opposite ends of the connecting portion 2911 are provided with receiving notches around each rotating shaft 2914.
  • Each connecting baffle 292 includes a generally waist-shaped connecting portion 2921, a shielding portion 2922 disposed on one side of the connecting portion 2921, and a connecting bar 2924 disposed on an end of the shielding portion 2922 away from the connecting portion 2921.
  • the front surface and opposite end surfaces of the connecting portion 2921 are both set as arc surfaces, and the front surface of the connecting portion 2921 and each end surface smoothly transition.
  • Two opposite ends of the connecting portion 2921 facing away from the connecting bar are respectively provided with receiving grooves, and the connecting portion 2921 is formed as an arc surface on the side surface of each receiving groove.
  • the opposite ends of the connecting portion 2921 are respectively provided with shaft holes 2925 communicating with the corresponding receiving grooves.
  • a through hole is opened at the end of the connecting bar 2924.
  • Each fixed baffle 293 includes a connecting portion 2931, a shielding portion 2932 arranged on one side of the connecting portion 2931, and a fixing portion 2934 arranged on the shielding portion 2932.
  • the connecting portion 2931 has an arc surface at one end away from the shielding portion 2932, and the connecting portion A rotating shaft 2935 is protruded from one end of 2931 away from the shielding portion 2932 along the axis of the arc surface; the fixing portion 2934 is provided with a number of connecting holes 2936.
  • each folding-assisting assembly 24 When assembling each folding-assisting assembly 24, the two connecting baffles 292 are respectively placed on opposite sides of the middle baffle 291, so that the opposite ends of the middle baffle 291 are respectively accommodated in the receiving grooves of the two connecting baffles 292 , And the two rotating shafts 2914 are respectively inserted into the shaft holes 2925 of the two connecting baffles 292; the two fixed baffles 293 are respectively placed on the side of the two connecting baffles 292 away from the middle baffle 291, the two fixed baffles The ends of the plate 293 provided with the rotating shaft 2935 are respectively accommodated in the receiving grooves of the two connecting baffle plates 292, and the rotating shafts 2935 of the two fixed baffle plates 293 are respectively inserted into the corresponding shaft holes 2925.
  • the rotating drums 2812 of the two first shafts 281 are respectively accommodated in the two receiving grooves 2823 of the linkage 282, and the slider 2821 is slidably accommodated in the corresponding spiral guide grooves 2811; the two sets are fixed
  • the hook 2832 of the piece 283 can be inserted into the corresponding slot 2814.
  • the holes 2834 of the two sets of fixing pieces 283 are facing the through holes 2825 of the linkage 282; the first connecting frame 264 and the second connecting frame 284 are respectively placed on the side of the two sets of fixing pieces 283 away from the linkage 282, so that the first ends 2815 of the two first shafts 281 are inserted into the two through holes 2643 of the first connecting frame 264, and the second portion 2816 Insert the connecting posts 287 into the through holes 2843 of the second connecting frame 284, the clamping holes 2834 of the fixing piece 283, the through holes 2825 of the linkage 282, and the first connection in turn.
  • the through hole 2643 of the frame 264; the first ends 2815 of the two first shafts 281 are respectively fixedly inserted into the inner cavities of the connecting cylinder 2624 of the two transmission parts 262, and then inserted into the two connecting holes of the first rail block 271 In 2717, at this time, the overlapping piece 2645 of the first connecting frame 264 overlaps the front of the first rail block 271, and the connecting hole 2646 is facing the positioning hole 2719, and the notches 2625 of the two transmission members 262 are facing the first In the two notches 2718 of the rail block 271, the fasteners pass through the connecting holes 2646 and are locked to the positioning holes 2719.
  • the second ends 2816 of the two first shafts 281 are respectively inserted into the two connecting holes 2865 of the fixing block 286, and the lap piece 2845 is accommodated in the accommodating groove 2863, and the locking member passes through the connecting hole 2846 to be locked in Connecting hole 28630.
  • the connecting cylinders 2624 of the two transmission members 262 are respectively fixedly connected to the first ends 2815 of the two first shafts 281, and one of the transmission members 262 rotates along the corresponding first shaft 281 to drive the first shaft 281.
  • Rotation the rotation of the first shaft 281 causes the corresponding slider 2821 to slide in the spiral guide groove 2811 to drive the linkage 282 to slide along the connecting column 287, and the sliding of the linkage 282 drives the other transmission member 281 to rotate,
  • the linkage of the transmission member 262 is realized, that is, the two transmission members 262 synchronously rotate relative to each other or relatively back to each other.
  • the second snap-fit portion 2772 has movement
  • the shielding mechanism 29 is arranged inside the bending of the bendable mechanism 25, and the shielding mechanism 29 is connected to the connecting mechanism 27; when the bendable mechanism 25 is bent, the connecting mechanism 27 can drive the shielding mechanism 29 slides relative to the bendable mechanism 25.
  • the first shielding mechanism 290 of the shielding mechanism 29 is arranged at opposite ends of the bendable mechanism 25, the second shielding mechanism 295 is arranged on the back of the bendable mechanism 25, and the middle blocking piece 291 of the first shielding mechanism 290 is fixed.
  • the connecting baffle 292 and the fixed baffle 293 are connected to the bendable mechanism 25, and the second shielding mechanism 295 is connected to the connecting mechanism 27; when the bendable mechanism 25 is bent, the connecting mechanism 27 can drive the first The second shielding mechanism 295 slides relative to the bendable mechanism 25, and the first shielding mechanism 290 is bent along with the bendable mechanism 25.
  • the second shielding mechanism 295 covers at least the middle joint 250.
  • the second shielding mechanism 295 includes a first shielding member 2951 and a second shielding member 2955.
  • the first shielding member 2951 covers at least the first part and the first part of the middle joint 251.
  • the second shielding member 2955 covers at least the second part of the middle hinge 251 and the second rotating hinge 252.
  • the first shielding member 2951 and the second shielding member 2955 are both strip-shaped shields. Since the first shielding member 2951 and the second shielding member 2955 have the same structure, only the first shielding member 2951 will be described in detail.
  • the first shielding member 2951 includes a rectangular cover 2952 and a flange 2953 provided on the front edge of the cover 2952.
  • the cover 2952 and the flange 2953 enclose an accommodation space 2954.
  • the accommodating space 2954 of the first shielding member 2951 contains a connecting piece 2956, and the first shielding member 2951 is fixedly connected to the first rail rod 275 via the connecting piece 2956.
  • the opposite ends of the connecting piece 2956 are respectively provided with a plurality of connecting holes 2957.
  • the second shielding member 2955 also includes a rectangular cover plate and a flange provided on the front edge of the cover plate.
  • the second shielding member 2955 is also fixedly connected to the second rail rod 277 via a connecting piece 2956.
  • the two folding aid components 24 are respectively placed on opposite ends of the back of the middle hinge 251, so that the connecting pieces 2864 of the fixing block 286 of each folding aid component 24 are connected.
  • the hole is facing the corresponding connecting post 2512 of the middle hinge 251, and the positioning hole 2729 of the second guide block 272 is facing the corresponding countersunk hole 2514; insert the two screws into the connecting piece 2864 of the two folding aid components 24 respectively.
  • the hole is locked to the connecting hole of the connecting column 2512, and the two locking members are inserted into the countersunk holes 2514 at the two ends of the middle hinge 251 and locked in the positioning holes 2729 of the two folding assisting components 24.
  • the guide groove 2867 of the assembly 24, the two second arc guide plates 2534 of the second rotating hinge 253 are respectively inserted into the guide grooves 2867 of the two folding assisting components 24; the first shielding mechanism 290 of each folding assisting component 24 is connected
  • the connecting bars 2924 of the baffle 292 are respectively placed on the positioning blocks 2526 at the opposite ends of the first rotary joint 252 and the positioning blocks 2536 at the opposite ends of the second rotary joint 253, and the through holes of the connecting bars 2924 into which a plurality of fasteners are inserted are respectively locked for locking To the corresponding connection holes 2527, 2537.
  • the first connecting hinge 254 and the second connecting hinge 257 are respectively placed on opposite sides of the middle hinge 250, and the first rail rods 275 on one side of the two folding aid components 24 are respectively inserted into the first connecting hinge 254.
  • a guide sliding groove 2556, and the end of each first rail rod 275 is rotatably connected to the first end of the first link 2581 of the corresponding link 2580, that is, the locking member is inserted into the connecting hole at the end of the extension piece 2756 2757 is connected to the through hole 2583 at the first end of the first connecting rod 2581; the second rail rods 277 on the other side of the two folding aid components 24 are respectively inserted into the second sliding grooves 2570 of the second connecting hinge 257.
  • the two positioning members 25760 on the first connecting joint 254 can be pushed by the corresponding elastic member 25765 to make the clamping block 25761 snap into the corresponding positioning opening 2758; the two positioning members 25760 on the second connecting joint 267 Under the push of the corresponding elastic member 25765, the locking block 25761 can be locked into the corresponding positioning opening 2778, so that the folding device 22 can be kept flat.
  • the guide sliding rod 2623 of the transmission member 262 on one side of the two folding-assisting components 24 is accommodated in the transmission groove 25514 on the first connecting hinge 254, and the two cover plates 25513 cover the transmission groove 25514 respectively, and pass the locking member Fixed, at this time, the sliding guide rod 2623 can slide along the arc surface of the transmission groove 25514, and the guide sliding rod 2623 of the transmission member 262 on the other side of the two folding-assist components 24 is accommodated in the second connecting joint 257 In the transmission groove 2577, two cover plates 2578 respectively cover the transmission groove 2577 and are fixed by a locking member. At this time, the sliding guide rod 2623 can slide along the arc surface of the transmission groove 2577.
  • the second shielding mechanism 295 is installed on the two folding-assisting components 24, specifically, one of the connecting pieces 2956 is covered on the back of the two first rail rods 275, and a plurality of fasteners are inserted into the connecting holes 2957 of the connecting pieces 2956 to be locked.
  • the first shielding member 2951 is sleeved and fixed on the connecting piece 2956; the other connecting piece 2956 is covered on the back of the two second rail rods 277, and several locking members are inserted into the connecting piece 2956.
  • the connecting hole 2957 is locked to the corresponding fixing hole 2775, and the second shielding member 2955 is sleeved and fixed on the connecting piece 2956; the second shielding mechanism 295 covers the back of the folding device 22 to prevent dust and other impurities from entering the folding ⁇ 22 ⁇ .
  • one end of the transmission mechanism 26 is rotatably connected to the middle hinge 250, and the other end is slidably connected to the connecting hinge.
  • one end of the transmission member 262 on one side of each folding-assisting component 24 is rotatably connected to the middle joint 250, and the other end of the transmission component 262 is rotatably and slidably connected to the first connecting joint 254; each folding-assisting component 24
  • One end of the transmission member 262 on the other side is rotatably connected to the middle joint 250, and the other end of the transmission member 262 is rotatably and slidably connected to the second connection joint 257.
  • one end of the connecting mechanism 27 is rotatably connected to the middle hinge 250, and the other end is slidably connected to the connecting hinge; specifically, the first rail rod 275 of each folding assist assembly 24 is rotatably connected to the middle hinge along the first virtual axis L1.
  • the other end of the joint 250 is slidably connected to the first connecting hinge 254; the second rail rod 277 of each folding-assisting assembly 24 is connected to the middle hinge 250 along the second virtual axis L2, and the other end is slidably connected to the second connecting hinge Section 257.
  • the transmission mechanism 26 of each folding assistance assembly 24 is rotatably connected to the middle joint 250 about a first axis 281, and the connecting mechanism 27 is rotatably connected to the middle joint 250 about a second axis, and the first axis and the second axis are staggered; specifically, the transmission
  • the two transmission members 262 of the mechanism 26 are connected to the central joint 250 through two parallel-spaced first shafts 281; the second shaft includes parallel-spaced first virtual axis L1 rotation and second virtual axis L2 rotation, the first rail rod 275 is connected to the central joint 250 around the first virtual axis L1.
  • first rail rod 275 rotates along the first virtual axis L1 relative to the first rail block 271; the second rail rod 277 rotates around the second virtual axis L1.
  • the axis L2 is connected to the middle hinge 250, and further, the second rail rod 277 rotates relative to the second rail block 272 along the second virtual axis L2.
  • the first axis 281 is a solid axis
  • the first virtual axis L1 is the axis line of the first rail curved surface 2712
  • the second virtual axis L2 is the axis line of the second rail curved surface 2722
  • the first axis 281 is connected to the The first virtual axis L1 and the second virtual axis L2 are spaced in parallel.
  • each first rail rod 275 slidably pushes the corresponding positioning member 25760 to slide away from the first rail rod 275, the elastic member 25765 is elastically deformed, and the positioning member 25760 is locked
  • the block 25761 is separated from the corresponding positioning opening 2758; the two transmission rods 2621 slide in the transmission groove 25514 of the first connecting hinge 254.
  • each folding assist assembly 24 Since the two transmission parts 262 of each folding assist assembly 24 are connected by the linkage mechanism 28, when connected to the When a transmission rod 2621 between the joint 254 and the linkage mechanism 28 rotates, it can drive the corresponding first shaft 281 to rotate.
  • the first shaft 281 drives the other side first shaft 281 to rotate through the linkage 282, so The rotation of the first shaft 281 on the other side drives the transmission rod 2621 connected between the second connecting joint 257 and the linkage mechanism 28 to rotate, so that the second connecting joint 257 synchronously rotates toward the first connecting joint 255.
  • the second connecting hinge 257 drives the second rail rod 277 to slide in the second sliding groove 2570.
  • the second rail rod 277 slidably pushes the corresponding positioning member 25760 to slide away from the second rail rod 275, and the elastic member 25765 occurs
  • the elastic deformation causes the locking block 25761 of the positioning member 25760 to disengage from the corresponding positioning opening 2778, so that the two second rail rods 277 of each folding assistance assembly 24 are also close to each other, so as to realize the linkage bending of the folding device 22.
  • the extension piece 2756 of the first rail rod 275 drives the first end of the first link 2851 to rotate relative to the extension piece 2756, and the second end of the first link 2851 is relative to the second link 2582.
  • the second end of the rod rotates to move the first connecting rod 2851 away from the second limiting portion 2559 until the first connecting rod 2851 resists the first limiting surface 25581 and the first limiting portion 2595 of the stop bar 2558.
  • the connecting hinge rotates relative to the middle joint 250 around a virtual axis.
  • first connecting hinge 254 rotates relative to the middle joint 250 around the first virtual axis L1, and the first connecting hinge 254 slides relative to the middle hinge 250;
  • the second connecting joint 257 rotates relative to the middle joint 250 around the second virtual axis L2, and the second connecting joint 257 slides relative to the middle joint 250.
  • the first rail mating surface 2751 of the first rail rod 275 slidably fits on the first rail curved surface 2712, and the first engaging portion 2752 of the first rail rod 275 slidably pushes the first engaging engaging portion 2716 to make the first
  • the snap-fitting portion 2716 is elastically deformed until the first snap-fit portion 2752 is disengaged from the clip 27162; at the same time, the second rail-fitting surface 2771 of the second rail rod 277 slidably fits on the second rail curved surface 2722, The second clamping portion 2772 of the two rail rods 277 slidably pushes the second clamping-fitting portion 2726 to elastically deform the second clamping-fitting portion 2726.
  • the first clamping portion 2752 and the first clamping-fitting portion 2716 are between It has movable damping until the second clamping portion 2772 disengages from the clamping strip 27162; at the same time, the second guide rail mating surface 2771 of the second guide rail rod 277 slidably fits on the second guide rail curved surface 2722, and the second guide rail rod 277
  • the second clamping portion 2772 slidingly pushes against the second clamping-fitting portion 2726 to elastically deform the second clamping-fitting portion 2726.
  • each first shielding mechanism 290 moves with the first connecting joint 254 and the second connecting joint 257 to drive the two connecting baffles 292 to rotate synchronously, and the two connecting tabs 292 drive the first
  • the rotating hinge 252 and the second rotating hinge 253 rotate synchronously, the second arc guide plate 2524 of the first rotating hinge 252 slides in the corresponding guide groove 2867, and the second arc guide plate 2534 of the second rotating hinge 253 is in the Sliding in the corresponding guide groove 2867, the two first arc guide plates 2522 of the first rotating hinge 254 slidably contact the corresponding tabs 25516 of the first connecting hinge 254, and the two first arc guides 2522 of the second rotating hinge 253
  • the arc-shaped guide plates 2532 respectively slidably contact the protruding pieces 25723 corresponding to the second connecting hinge 257 to realize the synchronous bending of the bendable mechanism 25.
  • the first blocking member 2951 of the second blocking mechanism 295 rotates with the first rail rod 257 relative to the middle hinge 251, that is, the first blocking member 2951 rotates along the first virtual axis L1; the second blocking member 2955 follows the second rail rod 277 Rotate relative to the middle joint 251, that is, the second shield 2955 rotates along the second virtual axis L2; the first virtual axis L1 and the second virtual axis L2 are spaced in parallel, and the first virtual axis L1 is located at the In the first shield 2951, the second virtual axis L2 is located in the second shield 2955.
  • the virtual axis is located on the back of the second shielding mechanism 295 or close to the back of the second shielding mechanism 295.
  • the first virtual axis L1 is located at or near the back of the first shielding member 2951
  • the second virtual The axis L2 is located at or close to the back of the second shielding member 2955; the first virtual axis L1 and the second virtual axis L2 are close to the back of the second shielding mechanism 295, when the virtual axis is closer to the second shielding mechanism 295 On the back, the back of the second shielding mechanism 295 will have less length difference during the process of unfolding and bending, so that the back of the second shielding mechanism 295 will not be subjected to tension or compression.
  • the first snap-fitting portion 2752 is located on the first rail matching surface 2751; the first snap-fitting portion 2716 is located on the first rail curved surface 2712; when the bendable mechanism 20 is in the unfolded state, the first snap-fitting portion 2716 is engaged with the first engaging portion 2752; when the bendable mechanism 25 is bent, the first engaging portion 2752 overcomes the resistance of the first engaging engaging portion 2716 and is separated from the first engaging engaging portion 2716.
  • the sliding track of the transmission mechanism 26 relative to the connecting joint is arc-shaped, that is, the sliding track between the transmission member 262 connected to the first connecting joint 254 and the first connecting joint 254 is the bottom surface of the transmission groove 25514;
  • the sliding track between the transmission member 262 of the second connection hinge 257 and the second connection hinge 257 is the bottom surface of the transmission groove 2577.
  • the transmission mechanism 26 slides relative to the connecting joint; specifically, when the first connecting joint 254 rotates and slides relative to the middle joint 250, it is connected to the first connecting joint 254 and The transmission member 262 between the middle joints 250 slides relative to the first connecting joint 254; when the second connecting joint 257 rotates and slides relative to the middle joint 250, it is connected to the second connecting joint 257 and the middle joint 250.
  • the transmission member 262 therebetween slides relative to the second connecting hinge 257.
  • the sliding track of the transmission mechanism 26 relative to the connecting hinge is different from the sliding track of the connecting mechanism 27 relative to the connecting hinge. Specifically, the sliding track of the transmission member 262 of the transmission mechanism 26 relative to the first connecting joint 254 or the second connecting joint 257 is different from that of the first rail rod 275 of the connecting mechanism 27 relative to the first connecting joint 254 or the second connecting joint 254. The sliding track of the rail rod 277 relative to the second connecting hinge 257.
  • the sliding movement of the transmission mechanism 26 relative to the connecting hinge includes a first sliding component and a second sliding component, the first sliding component is a direction away from or pointing to the middle hinge 250, and the second sliding component is perpendicular to the first sliding component.
  • Sliding component the sliding movement of the transmission member 262 connected to the first connecting hinge 254 relative to the first connecting hinge 254 includes a first sliding component facing away from or pointing to the middle hinge 250 and perpendicular to the first sliding component. The second sliding component of the component.
  • the connecting mechanism 27 slides in the first direction relative to the connecting hinge until the first limiting portion 2595 is restricted by the connecting mechanism 27 in the second direction, which is opposite to the first direction.
  • the first rail rod 275 slides in the first direction relative to the first connecting hinge 254 until the first limiting portion 2595 is limited by the first rail rod 275 in the second direction.
  • the moving direction of the first end of the second link 2582 relative to the connecting hinge 27 is opposite to the moving direction of the first end of the first link 2581 relative to the connecting hinge 27;
  • the moving direction of the first end of the second link 2582 relative to the end of the first connecting joint 254 is opposite to the moving direction of the first end of the first link 2581 relative to the end of the first connecting joint 254.
  • the moving distance of the first end of the first link 2581 relative to the connecting hinge 27 is greater than the moving distance of the first end of the second link 2582 relative to the connecting hinge 27.
  • the angle formed between the first connecting rod 2581 and the second connecting rod 2582 is increased.
  • the second connecting hinge 257 can be rotated toward the first connecting hinge 254, and the two second rail rods 277 slide in the two second sliding grooves 2570 of the second connecting hinge 257, respectively.
  • Each second rail rod 277 slidably pushes the corresponding positioning member 25760 and slides away from the corresponding second rail rod 277, the elastic member 25765 is elastically deformed, and the clamping block 25761 of the positioning member 25760 is separated from the corresponding positioning opening 2778;
  • a transmission rod 2621 slides in the transmission groove 2577 of the second connecting hinge 257.
  • each folding assistance assembly 24 Since the two transmission members 262 of each folding assistance assembly 24 are connected by the linkage mechanism 28, when connected to the second connecting hinge 257 and the linkage mechanism 28 When the transmission rod 2621 between the two rotates, it can drive the corresponding first shaft 281 to rotate.
  • the first shaft 281 drives the other first shaft 281 to rotate through the linkage 282, and the other first shaft 281 rotates.
  • first connecting joint 254 and the second connecting joint 257 can also be rotated in the opposite direction. Since the two transmission members 262 of each folding assist assembly 24 are connected by the linkage mechanism 28, the first connection The hinge 254 and the second connecting hinge 257 together drive the transmission member 262 of each folding-assisting assembly 24 to rotate, so as to drive the two first shafts 281 to rotate, so that the two transmission members 262 are close to each other, so that the first connection hinge The 254 and the second connecting hinge 257 are synchronized with each other to bend the folding device 22.
  • the first connecting hinge 254 is rotated away from the second connecting hinge 257, and the two first rail rods 275 slide on the two first guides of the first connecting hinge 254, respectively.
  • the elastic member 25765 is elastically deformed until the locking block 25761 of the positioning member 25760 is locked into the corresponding positioning opening 2758; at the same time, the two transmissions
  • the rod 2621 slides in the transmission groove 25514 of the first connecting hinge 254.
  • the two transmission members 262 of each folding assistance assembly 24 are connected by the linkage mechanism 28, when connected to the first connecting hinge 254 and the linkage mechanism 28 When the transmission rod 2621 rotates, it can drive the corresponding first shaft 281 to rotate.
  • the first shaft 281 drives the other side first shaft 281 to rotate through the linkage 282, and the other side first shaft 281 rotates to drive the connection
  • the transmission rod 2621 between the second connecting hinge 257 and the linkage mechanism 28 rotates, so that the second connecting hinge 257 synchronously rotates away from the first connecting hinge 255, and the second connecting hinge 257 drives the second rail rod 277 slides in the second chute 2570, the second rail rod 277 slidably pushes the corresponding positioning member 25760 and slides away from the second rail rod 275, the elastic member 25765 is elastically deformed until the block 25761 of the positioning member 25760
  • the corresponding positioning opening 2778 is snapped into, so that the two second rail rods 277 of each folding-assisting assembly 24 are also separated from each other, so
  • the extension piece 2756 of the first rail rod 275 drives the first end of the first link 2851 to rotate relative to the extension piece 2756, and the second end of the first link 2851 is relative to the second link 2582.
  • the second end rotates so that the first connecting rod 2851 is away from the first limiting portion 2595 and the first limiting surface 25581 and close to the second limiting portion 2559 until the first connecting rod 2851 is attached to the second limiting surface 25591,
  • the elastic member 25765 slides against the positioning member 25760 until the clamping block 25761 is locked into the corresponding positioning openings 2758, 2778, so that the positioning and folding device 22 is kept flat;
  • the first guide rail mating surface 2751 of the first guide rail rod 275 is slidably attached Fitting to the first rail curved surface 2712 of the second limiting portion 2559, the first clamping portion 2752 of the first rail rod 275 slidably pushes the first clamping and fitting portion 2716 to elastically deform the first clamping and
  • each first shielding mechanism 290 rotates with the first connecting hinge 254 and the second connecting hinge 257 to drive the two connecting baffles 292 to rotate synchronously, and the two connecting baffles 292 drive the first The rotating hinge 252 and the second rotating hinge 253 rotate synchronously and move away from each other.
  • the second arc guide plate 2524 of the first rotating hinge 252 slides in the corresponding guide groove 2867, and the second arc of the second rotating hinge 253
  • the guide plate 2534 slides in the corresponding guide groove 2867 to realize the synchronous flattening of the bendable mechanism 25.
  • the first shielding member 2951 of the second shielding mechanism 295 rotates with the first rail rod 257 relative to the middle hinge 251; the second shielding member 2955 rotates with the second rail rod 277 relative to the center hinge 251 until the first shielding member 2951 And the second blocking member 2955 is in a flat state.
  • the second connecting hinge 257 can be rotated away from the first connecting hinge 254, and the two second rail rods 277 respectively slide in the two second sliding grooves 2570 of the second connecting hinge 257.
  • the elastic member 25765 is elastically deformed until the locking block 25761 of the positioning member 25760 is locked into the corresponding positioning opening 2778; the two transmission rods 2621 are connected in the second The hinge 257 slides in the transmission groove 2577. Since the two transmission members 262 of each folding assistance assembly 24 are connected by the linkage mechanism 28, when the transmission rod 2621 connected between the second connection hinge 257 and the linkage mechanism 28 rotates, It can drive the corresponding first shaft 281 to rotate.
  • the first shaft 281 drives the first shaft 281 on the other side to rotate through the linkage 282, and the first shaft 281 on the other side rotates to drive the connection to the first connecting joint.
  • the transmission rod 2621 between 254 and the linkage mechanism 28 rotates, and the transmission rod 2621 drives the first connecting hinge 254 to rotate away from the second connecting hinge 254.
  • first connecting joint 254 and the second connecting joint 257 can also be rotated in opposite directions together. Since the two transmission parts 262 of each folding assist assembly 24 are connected by the linkage mechanism 28, the first connection The hinge 254 and the second connecting hinge 257 together drive the transmission member 262 of each folding-assisting assembly 24 to rotate away from each other to drive the two first shafts 281 to rotate together so that the two transmission members 262 approach each other, As a result, the first connecting hinge 254 and the second connecting hinge 257 are simultaneously close to each other and the folding device 22 is bent.
  • the first connecting rod 2581 can be attached to the second limiting surface 25591 of the second limiting portion 2559, which can prevent the sliding member 259 from collapsing on the lug 2555 when falling.
  • the first connecting rod 2581 can interact with the first limiting surface 25581 and the first limiting surface 25581 of the stop bar 2558.
  • the collision of a limiting portion 2595 can also prevent the sliding member 259 from collapsing on the lug 2555 when falling, so as to avoid the flexible screen fixedly connected to the sliding member 259 from arching and being damaged.
  • the installed folding device 22 is placed between the first frame 21 and the second frame 23, the two lugs of the first connecting hinge 254
  • the 2555 are respectively accommodated in the first frame 21, and the sliding member 259 located in the first frame 21 is fixedly connected to the first frame 21.
  • the connecting frame 256 and the mounting frame 255 of the first connecting hinge 254 can slide relative to each other in a direction perpendicular to the bending axis of the middle hinge 250; the first elastic member 2553 generates the connecting piece 2563 of the connecting frame 256 away from the middle With the elastic force pushed by one side of the hinge 250, the second elastic member 25515 generates an elastic force that pushes the sliding member 259 away from the first connecting hinge 254.
  • the first elastic element 2553 and the second elastic element 25515 are both pre-compressed and then installed in corresponding positions.
  • the front of the folding device 22 is coplanar with the front of the first frame 21 and the front of the second frame 23. There is a gap between the connecting plate 2561 and the mounting frame 255 along the direction perpendicular to the bending axis of the folding device 22.
  • One end of the supporting sheet 50 is fixed to the second frame 23 and the other end is fixed to the connecting plate 2561.
  • the part between the two ends covers a part of the folding device 22 and can slide relative to the part of the folding device 22.
  • the part between the two ends of the supporting piece 50 covers the first connecting hinge 254, the middle hinge 250 and the second connecting hinge 257.
  • One end of the flexible screen 30 is fixed to one end of the support sheet 50, and the other end is fixed to the first frame 21, and the part between the two ends covers the corresponding part of the support sheet 50 and can slide relative to the corresponding part of the support sheet 50.
  • one side of the middle hinge 250 is used to fit the flexible screen 30, and the first virtual axis L1 and the second virtual axis L2 are far away from the first axis 281 from the middle hinge 250 to fit one side of the flexible screen 30 .
  • the first connecting rod 2581 of the connecting rod 2580 is attached to the second limiting surface 25591 of the second limiting portion 2559, so that when the folding device 22 is moved toward the center When the area is compressed, the folding device 22 will not be compressed in the lateral direction due to the compression force, thereby arching the screen.
  • the folding device 22 is in a bent state, the first end of the first connecting rod 2581 of the connecting rod 2580 abuts against the first limiting surface 25581 and the first limiting portion 2595 of the stop bar 2558, so as to achieve the When the folding device 22 receives a pressing force toward the middle area, the folding device 22 will not be compressed in the transverse direction due to the pressing force, thereby arching the screen.
  • the supporting sheet 50 can drive the connecting plate 2561 to slide relative to the second frame 23, and the flexible screen can drive the first frame 21 to slide relative to the second frame 23.
  • the supporting sheet 50 can also drive the connecting plate 2561 to slide relative to the second frame 23 toward the second frame 23, and the flexible screen can drive the first frame 21 to slide towards the second frame 23 relative to the second frame 23.
  • the bendable area 31 of the flexible member 30 can be bent as the folding device 22 is bent, and the first elastic member 2553 pushes the connecting piece 2563 outward to drive the connecting plate 2561 to the side away from the central hinge 250 to push and support
  • the support sheet 50 is in a tight state.
  • the second elastic member 25515 pushes the first frame body 21 outward to tighten the flexible screen and prevent the flexible screen from being arched and damaged.
  • the clamping block 25761 of each positioning member 25760 is locked into the corresponding positioning opening 2758 and the positioning opening 2778, and the first connecting rod 2581 of the connecting rod 2580 abuts against the second limit.
  • the second limiting surface 25591 of the portion 2559 is used for positioning the bendable mechanism 25 to maintain the flat state.
  • FIGS. 26 to 32 Please refer to FIGS. 26 to 32 together.
  • a bending force is applied to at least one of the first frame 21 and the second frame 23 of the electronic device 100 to connect to the first frame 21
  • the first connecting hinge 254 of the second frame 23 and the second connecting hinge 257 of the second frame body 23 rotate in a mutually adjacent direction, and the bending of the folding device 22 is realized by the two folding assist components 24, and the bendable area of the flexible member 30 31's bend.
  • the first frame 21 drives the first connecting hinge 254 to rotate along the first virtual axis L1 relative to the middle hinge 250 to the side away from the flexible member 30;
  • the first connecting hinge 254 drives the transmission rods 2621 corresponding to the two folding-assist components 24 to rotate, and the two first rail rods 275 slide in the two first guide sliding grooves 2556 of the first connecting hinge 254 respectively, so that the A clamping block 25761 of the positioning member 25760 on the hinge joint 254 is disengaged from the clamping connection of the positioning opening 2758 of the corresponding first rail rod 275;
  • the two transmission rods 2621 slide in the transmission groove 25514 of the first connection hinge 254, because
  • the two transmission members 262 of each folding assistance assembly 24 are connected by the linkage mechanism 28; therefore, when the transmission rod 2621 connected between the first connecting hinge 254 and the linkage mechanism 28 rotates, it can drive the corresponding first shaft 281 to rotate,
  • the first shaft 281 drives the first shaft 281 on the other
  • the second connecting hinge 257 drives the second rail rod 277 to slide in the second chute 2570, and the second rail rod 277 slides Pushing the corresponding positioning member 25760 slides away from the second rail rod 275, the elastic member 25765 is elastically deformed, so that the locking block 25761 of the positioning member 25760 is separated from the corresponding positioning opening 2778, so that the two second parts of each folding aid assembly 24
  • the two rail rods 277 are also close to each other, so that the folding device 22 is in a bent state, and the bendable area 31 of the flexible member 30 is bent with the folding device 22 until the back of the first frame 21 and the second frame 23 are attached.
  • the folding device 22 is bent, and the flexible member 30 is bent along with the folding device 22, so that the middle hinge 250 is connected to the front surfaces of the first connecting hinge 254 and the second connecting hinge 257 to form an arcuate surface. , To facilitate the fitting of the flexible member 30.
  • each shielding mechanism 29 is bent as the folding device 22 is bent, that is, several first shielding mechanisms 290
  • the shielding unit is bent along the folding device 22, so that the shielding portion 2912 of the middle shielding piece 291, the shielding portion 2922 of the connecting shielding piece 292, and the shielding portion 2932 of the fixed shielding piece 293 overlap each other to prevent dust and other impurities from the electronic equipment.
  • the opposite sides of 100 enter into the folding device 22; the first blocking member 2951 and the second blocking member 2953 of the first blocking mechanism 290 are bent with the folding device 22 to prevent dust and other impurities from entering the folding device 22 from the back of the electronic device 100 Inside.
  • the bending force can also be applied to the first frame 21 and the second frame 23 at the same time, and the first frame 21 and the second frame 23 respectively drive the first connecting hinge
  • the joint 254 and the second connecting hinge 257 rotate relative to the side away from the flexible member 30 and use the folding device 22 to realize the bending of the electronic device 100.
  • the first frame 21 or the second frame 23 is pulled outward, so that the first connecting hinge 254 connected to the first frame 21 and the second frame 23 on the second frame
  • the two connecting links 257 rotate in directions away from each other.
  • an outward pulling force is applied to at least one of the first frame 21 and the second frame 23 of the electronic device 100, so that the first connecting hinge 254 and the second frame connected to the first frame 21
  • the second connecting hinge 257 on the 23 rotates in a direction away from each other.
  • the first frame 21 drives the first connecting hinge 254 to rotate along the first virtual axis L1 toward one side of the flexible member 30, and the first rail rods 275 are in the first
  • a connecting hinge 254 slides in the two first guide sliding grooves 2556 to push the positioning member 25760 to slide away from the corresponding first rail rod 275, and the elastic member 25765 is elastically deformed until the locking block 25761 of the positioning member 25760 is locked Into the corresponding positioning opening 2758; at the same time, the two transmission rods 2621 slide in the transmission groove 25514 of the first connecting hinge 254, because the two transmission parts 262 of each folding-assisting assembly 24 are connected by the linkage mechanism 28, when connected to the When a transmission rod 2621 between the joint 254 and the linkage mechanism 28 rotates, it can drive the corresponding first shaft 281 to rotate.
  • the first shaft 281 drives the other side first shaft 281 to rotate through the linkage 282, so The rotation of the first shaft 281 on the other side drives the transmission rod 2621 connected between the second connecting hinge 257 and the linkage mechanism 28 to rotate, so that the second connecting hinge 257 synchronously rotates away from the first connecting hinge 255, so
  • the second connecting hinge 257 drives the second rail rod 277 to slide in the second sliding groove 2570, the second rail rod 277 slidably pushes the corresponding positioning member 25760 and slides away from the second rail rod 275, the elastic member 25765
  • the elastic deformation occurs until the locking block 25761 of the positioning member 25760 is locked into the corresponding positioning opening 2778, so that the two second rail rods 277 of each folding assistance assembly 24 are also separated from each other until the folding device 22 is in a flat state.
  • the bendable area 31 of the flexible member 30 is flattened with the folding device 22.
  • the first frame 21 and the second frame 23 can be simultaneously applied with an outward pulling force, and the first frame 21 and the second frame 23 respectively drive the corresponding The connecting hinge and the corresponding supporting hinge 253 rotate along the corresponding second connecting shaft 265 toward one side of the flexible member 30 to realize the flattening of the electronic device 100.

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Abstract

一种电子装置及其折叠装置，该电子装置包括柔性件（30）、壳体（20）及折叠装置（22），所述壳体（20）包括第一框体（21）及第二框体（23），所述折叠装置（22）设置于所述第一框体（21）与所述第二框体（23）之间，所述柔性件（30）设置于所述壳体（20）及所述折叠装置（22）上，所述柔性件（30）随所述折叠装置（22）折弯或展平。该折叠装置（22）无需多组齿轮齿条，累积公差小，占用空间较少，且能实现高精度的折叠。

Description

折叠装置及电子设备 技术领域
本申请涉及柔性件支撑领域，尤其涉及一种支撑柔性件的折叠装置、设置有所述折叠装置的电子设备。
背景技术
随着显示器材的发展，现已出现了一种可弯折超薄的电子显示屏，即柔性显示屏。柔性显示屏相对于传统的显示装置而言，具有可折叠、柔性等优点，广泛地受到消费者的青睐。现有的可适应弯曲需求的支撑结构通常是由多个铰链组成，相邻的铰链通过销轴等机构铰接而可相对转动。然而，目前的支撑结构通常通过多组齿轮齿条实现，齿轮尺寸链长，累积公差大，占用空间较大，无法将折弯半径做小，将造成无法实现高精度的联动传动，无法适应更高的需求。
发明内容
本申请提供一种累积公差小、占用空间较少，且能实现高精度的折叠装置，设置有所述折叠装置的电子设备。
本申请提供的一种折叠装置，包括可折弯机构和传动机构，所述可折弯机构包括位于其中部的中部铰节及转动连接于所述中部铰节相对两侧的连接铰节；所述传动机构连接所述中部铰节与所述连接铰节，用于带动所述连接铰节相对所述中部铰节活动。
本申请还提供一种电子设备，其包括柔性件、壳体及折叠装置，所述壳体包括第一框体及第二框体，所述折叠装置设置于所述第一框体与所述第二框体之间，所述柔性件设置于所述壳体及所述折叠装置上，所述柔性件随所述折叠装置折弯或展平。
本申请的电子设备的折叠装置包括可折弯机构及传动机构，所述传动机构连接于中部铰节与连接铰节，所述传动机构用于带动连接铰节相对中部铰节活动。具体的，所述传动机构用于带动第一连接铰节及第二连接铰节相对于中部铰节活动，以使折叠装置弯曲或展平；所述折叠装置无需多组齿轮齿条，积公差小，占用空间较少，且能实现高精度的折叠。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请其中一实施例中的电子设备的立体结构示意图。
图2是图1中的电子设备的柔性显示屏与壳体的立体结构分解示意图。
图3是图2中的电子设备的折叠装置的立体结构放大示意图。
图4是图3中的折叠装置的另一视角的立体结构示意图。
图5是图3中的折叠装置的部分立体结构分解示意图。
图6是图4中的折叠装置的部分立体结构分解示意图。
图7是图5中的中部铰节与两个助折组件的立体结构分解示意图。
图8是图7中的中部铰节与两个助折组件另一视角的立体结构示意图。
图9是图7中的铰链组件的中部铰节的立体结构分解示意图。
图10是图9中的铰链组件的中部铰节的另一视角的立体结构分解示意图。
图11是图5中的第一连接铰节的立体结构分解示意图。
图12是图11中的第一连接铰节的另一视角的立体结构示意图。
图13是图6中的第二连接铰节的立体结构分解示意图。
图14是图13中的第二连接铰节的另一视角的立体结构示意图。
图15是图7中的其中一助折组件的立体结构放大示意图。
图16是图15中的助折组件的另一视角的立体结构示意图。
图17是图15中的助折组件的立体结构分解示意图。
图18是图16中的助折组件的立体结构分解示意图。
图19是图4中的折叠装置上的遮挡机构的立体结构分解示意图。
图20是图3中的折叠装置的端部结构示意图。
图21是图3中沿XXI-XXI线的剖视图。
图22是图3中沿XXII-XXII线的剖视图。
图23是图3中沿XXIII-XXIII线的剖视图。
图24是图3中沿XXIV-XXIV线的剖视图。
图25是图3中沿XXV-XXV线的剖视图。
图26是图1中的电子设备的弯折状态的立体示意图。
图27是本申请电子设备的折叠装置的弯折状态的立体示意图。
图28是图27中的折叠装置的端部结构示意图。
图29是图27中沿XXIX-XXIX线的剖视图。
图30是图27中沿XXX-XXX线的剖视图。
图31是图27中沿XXXI-XXXI线的剖视图。
图32是图27中沿XXXII-XXXII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。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“设置在……上”应做广义理解，例如，可以是固定连接，也可以是可拆卸地连接，或者一体地连接；可以是机械连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
请一并参阅图1至图6，本发明的其中一实施例中的电子设备100包括一壳体20及设置于壳体20上的一柔性件30。壳体20包括一第一框体21、一第二框体23及连接于第一框体21与第二框体23之间的一折叠装置22。柔性件30设置于第一框体21、第二框体23及折叠装置22的正面上。柔性件30设置有对应折叠装置22的一可折弯区域31，以及连接于可折弯区域31相对的两侧的两个非折弯区域33。折叠装置22用于支撑柔性件30的可折弯区域31，柔性件30随折叠装置22折弯或展平。折叠装置22包括可折弯机构25、两个助折组件24及遮挡机构29，两个助折组件24设置于可折弯机构25相对的两端。可折弯机构25包括中部铰节250及转动连接于中部铰节250相对两侧的连接铰节；每一助折组件24包括传动机构26、连接机构27及联动机构28。遮挡机构29包括设于可折弯机构25相对两端的两个第一遮挡机构290，以及设于可折弯机构25背面的第二遮挡机构295。传动机构26连接于中部铰节250与连接铰节，用于带动所述连接铰节相对于中部铰节250活动。具体地，所述连接铰节包括第一连接铰节254及第二连接铰节257，第一连接铰节254及第二连接铰节257可活动地设置于中部铰节250相对的两侧，传动机构26连接于中部铰节250与第一连接铰节254及第二连接铰节257；传动机构26用于带动第一连接铰节254及第二连接铰节257相对于中部铰节250活动，以实现可折弯机构25的弯曲或展平，使得电子设备100的弯折或展平。
本实施例中，所述正面指与所述柔性屏的出光面朝向相同的面，背面指与所述柔性屏的出光面朝向背离的面。电子设备100例如是，但不局限于手机、平板电脑、显示器、液晶面板、OLED面板、电视、智慧手表、VR头戴显示器、车载显示器等其它任何具有显示功能的产品和部件。本发明实施例的描述中的“连接”是包括直接连接和间接连接两种情况，比如A和B连接包括A和B直接连接或者通过第三个元件C或更多的其他元件连接。连接还包括一体化连接和非一体化连接两种情况，一体化连接是指A和B是一体形成并连接，非一体化连接是指A和B是非一体化形成并连接。
本发明的电子设备100的折叠装置22包括可折弯机构25及传动机构26，传动机构26连接于中部铰节250与连接铰节，传动机构26用于带动连接铰节相对中部铰节250活动。具体的，传动机构26用 于带动第一连接铰节254及第二连接铰节257相对于中部铰节250活动，以使折叠装置22弯曲或展平；无需多组齿轮齿条，积公差小，占用空间较少，且能实现高精度的折叠。
联动机构28连接于传动机构26，当一侧的连接铰节转动时，带动同侧的传动机构26转动，传动机构26通过联动机构28带动另一侧的传动机构26转动，再带动另一侧的连接铰节转动。具体地，当第一连接铰节254转动时，带动同侧的传动机构26转动，传动机构26通过联动机构28带动另一侧的传动机构26转动，所述另一侧的传动机构26带动第二连接铰节257转动；当第二连接铰节257转动时，带动同侧的传动机构26转动，传动机构26通过折叠装置22带动另一侧的传动机构26转动，所述另一侧的传动机构26带动第一连接铰节254转动，从而实现可折弯机构25的联动。
优选地，连接铰节相对中部铰节250的活动包括相对中部铰节250的转动和相对中部铰节250的滑动，即连接铰节相对中部铰节250转动的同时相对中部铰节250滑动。具体地，第一连接铰节254相对中部铰节250转动的同时相对于中部铰节250滑动；第二连接铰节257相对中部铰节250转动的同时相对于中部铰节250滑动。
连接机构27连接于中部铰节250与连接铰节之间，连接机构27在连接铰节相对中部铰节活动时相对连接铰节滑动；具体地，连接机构27连接于中部铰节250与第一连接铰节254及第二连接铰节257之间，连接机构27在第一连接铰节254和/或第二连接铰节257相对中部铰节250活动时相对第一连接铰节254和/或第二连接铰节257滑动。
两个助折组件24分别通过若干螺钉连接于中部铰节250的背面相对的两端，中部铰节250沿可折弯机构25的弯折轴心线方向的长度与第一连接铰节254及第二连接铰节257沿可折弯机构25的弯折轴心线方向的长度相近，每一助折组件24的第一遮挡机构290的中部连接于中部铰节250的端部，第一遮挡机构290相对的两端分别连接于第一连接铰节254及第二连接铰节257的端部，第一遮挡机构290随可折弯机构25弯折或展平。每一助折组件24的传动机构26包括位于相对两侧的传动杆260，两个传动杆260远离中部铰节250的端部分别活动地连接于第一连接铰节254及第二连接铰节257。每一助折组件24的包括位于相对两侧的导轨杆，两个导轨杆远离中部铰节250的一端分别滑动地连接于第一连接铰节254及第二连接铰节257。
如图7至图10所示，中部铰节250包括中间铰节251，以及位于中间铰节251相对两侧的两个转动铰节；具体地，所述两个转动铰节包括位于中间铰节251左侧的第一转动铰节252，以及位于中间铰节251右侧的第二转动铰节253。中间铰节251为条状，其包括横截面呈圆弧形的正面，中间铰节251的背面中部凸设有加强条2510，中间铰节251的背面于加强条2510相对的两端分别设有连接柱2512，每一连接柱2512轴向设有连接孔。中间铰节251的正面相对两端分别设有间隔的两个沉头孔2514，每一沉头孔2514穿通中间铰节251的背面；同端的其中一个沉头孔2514邻近端部，另一个沉头孔2514靠近对应的连接柱2512。中间铰节251相对两端的两个沉头孔2514用于分别连接两个助折组件24。
第一转动铰节252与第二转动铰节253的结构相同，在此仅祥细描述第一转动铰节252，第一转动铰节252为条状，其包括横截面呈圆弧形的正面，第一转动铰节252的背面中部凸设有加强条2520，第一转动铰节252的背面于加强条2520相对的两端分别设有第一弧形导板2522，每一第一弧形导板2522朝向远离中间铰节251一侧弯曲；第一转动铰节252的背面于邻近每一第一弧形导板2522处设有第二弧形导板2524，每一第二弧形导板2524朝向中间铰节251的一侧弯曲，两个第一弧形导板2522位于两个第二弧形导板2524之间。第一转动铰节252的背面相对的两端分别凸设定位块2526，定位块2526设有连接孔2527。第二转动铰节253包括位于背面中部的加强条2530，位于加强条2530相对两端的第一弧形导板2532，邻近每一第一弧形导板2532的第二弧形导板2534，以及位于相对两端的定位块2536；每一定位块2536设有连接孔2537。
如图11及图12所示，第一连接铰节254包括连接于中部铰节250的安装框255、滑动地连接于安装框255的连接框256、两个滑动件259，以及两个跌落限位机构258。安装框255包括条形的安装板2551，安装板2551包括位于中部的第一板体25511及固定连接于所述第一板体25511相对两端的第二板体25512。第二板体25512面朝第一板体25511的一端设有定位槽，第一板体25511的端部容置于所述定位槽内并通过锁固件固定。安装板2551背离中部铰节250的一侧相对的两端分别向外垂直延伸一凸耳2555，即每一第二板体25512远离第一板体25511的一端向外垂直延伸所述凸耳2555。第一板体25511背离凸耳2555的一侧设有两个凸片25516。第一连接铰节254相对的两端分别设有固定槽25518。
每一凸耳2555的背面沿其延伸方向开设用于收纳跌落限位机构258的第一导滑槽2556，第一导滑槽2556相对的两端分别穿通第二板体25512及凸耳2555；凸耳2555的正面开设穿通第一导滑槽2556的收纳槽2557，使凸耳2555在收纳槽2557远离第二板体25512的一端设有止挡条2558，在邻近第二板体25512的一端设有限位部2559，跌落限位机构258位于止挡条2558与限位部2559之间。止挡条 2558设有面朝限位部2559的第一限位面25581，限位部2559包括倾斜的第二限位面25591，第一限位面25581相对于第二限位面25591倾斜。具体地，限位部2559是自第二板体25512向收纳槽2557延伸的延伸片，收纳槽2557于限位部2559的一侧围成收纳槽25593，第二限位面25591设于所述延伸片远离第二板体25512的一端，第二限位面25591背离收纳槽25593，第二限位面25591邻近收纳槽25593的一端圆弧过渡。
安装板2551面朝连接框256的侧面于两个凸耳2555之间开设间隔的两对收纳槽2552，每一收纳槽2552穿通安装板2551设置有凸耳2555的侧面，每一收纳槽2552内设置有第一弹性件2553。具体地，第一板体25511正面相对的两端分别设有一对收纳槽2552，每一第一弹性件2553为弹簧。安装板2551的正面于每一对收纳槽2552之间开设条形槽2554，条形槽2554沿垂直于安装板2551的长度方向延伸并穿通安装板2551设置有凸耳2555的侧面；安装板2551的背面相对的两端开设两个阶梯孔25510，两个阶梯孔25510穿通两个条形槽2554；每一阶梯孔25510为条形，具体地，每一阶梯孔25510沿条形槽2554的长度方向延伸。安装板2551于每一凸耳2555相对的两侧分别设置有第二弹性件25515，具体地，安装板2551于每一凸耳2555相对的两侧分别凸设定位柱，每一定位柱上套接有一第二弹性件25515，每一第二弹性件25515为弹簧。
如图12所示，安装板2551的背面两端于邻近每一凸耳2555处沿安装板2551的长度方向开设安装槽2550，每一安装槽2550邻近对应的第一导滑槽2556的一端并连通第一导滑槽2556；安装板2551于安装槽2550的底壁开设通孔25501。第一连接铰节254内设置定位机构2576，定位机构2576用于定位可折弯机构25处于展平状态或弯折状态。具体地，定位机构2576包括可滑动地设置于安装槽2550内的定位件25760及弹性抵推定位件25760的弹性件25765。定位件25760的一端设置外周面为圆弧面的卡块25761，定位件25760背离卡块25761的一侧相对的两端分别凸设连接杆25766。定位件25760在卡块25761与连接杆25766之间开设条形的导滑槽25764，导滑槽25764沿安装板2551的长度方向延伸并穿通定位件25760的正面及背面。定位件25760可滑动地收容于安装槽2550内，两个弹性件25765分别套接于两个连接杆25766并连接于安装槽2550的内壁，弹性件25765能抵推定位件25760沿安装槽2550滑动使卡块25761能***对应的第一导滑槽2556内。本实施例中，弹性件25765为套设于连接杆25766的弹簧，所述弹簧的一端套接于连接杆25766，相对的另一端抵接安装槽2550的内壁。定位机构2576还包括盖板25768及锁固件，所述锁固件穿过盖板25768的通孔锁固于第一连接铰节254，使得定位件25760可滑动地容置于安装槽2550内。
安装板2551的背面靠近每一凸耳2555设有传动槽25514，传动槽25514为弧形槽，传动槽25514穿通安装板2551背离凸耳2555的侧面。传动槽25514沿垂直于安装板2551的长度方向延伸，传动槽25514的底表面为弧形面，所述弧形面朝安装板2551的正面弯曲，即传动槽25514的深度方向为安装板2551的厚度方向。本实施例中，每一第二板体25512的背面邻近凸耳2555处设有传动槽25514。每一第二板体25512于传动槽25514的四周设有凹陷，所述凹陷用于固定盖板25513；盖板25513面朝安装板2551的侧面对应传动槽25514设有凸块25517，所述凸块25517设有弧形的外周面；当盖板25513容置于所述凹陷内时，所述凸块25517容置于传动槽25514内，使所述凸块2551的外周面与传动槽25514的弧形面构成弧形槽。
每一凸耳2555上可滑动地套设有滑动件259，每一凸耳2555的收纳槽2557内可活动地收容有跌落限位机构258。具体地，滑动件259的正面开设导滑槽2591，凸耳2555可滑动***导滑槽2591内；滑动件259对应凸耳2555的收纳槽2557朝导滑槽2591内凸设连接柱2593，连接柱2593轴向开设连接孔2594。滑动件259对应凸耳2555的收纳槽2557朝导滑槽2591内设有第一限位部2595，连接柱2593位于邻近安装板2551一侧的端部处，第一限位部2595位于远离连接柱2593的一侧。跌落限位机构258包括连杆2580及连接件2585，连杆2580包括第一连杆2581和第二连杆2582；第一连杆2581及第二连杆2582均为矩形片，且相对的两端面设置圆弧形；第一连杆2581及第二连杆2582相对的两端分别开设通孔2583，连接件2585插设于第一连杆2581的第二端的通孔2583及第二连杆2582的第二端的通孔2583，以使第一连杆2581与第二连杆2582可转动地连接；第二连杆2583的第一端的通孔2583用于可转动地连接至滑动件259的连接柱2573。第一连杆2581的一侧中部凸设挡块2586，挡块2586增加第一连杆2581接触限位部2559的第二限位面25591的厚度。
连接框256包括条形的连接板2561及设置于连接板2561背离中部铰节250的一侧连接片2563。连接片2563沿垂直于连接板2561的长度方向延伸，连接片2563的延伸长度小于连接板2561的长度。连接板2561设有四个连接柱2575，四个连接柱2575沿连接板2561的长度方向排列，其中两端的连接柱2565分别对应安装板2551相对两端的通孔25501，中间的两个连接柱2565分别对应安装板2551的阶 梯孔25510，连接片2563相对的两端通过加强肋条分别连接于中间的两个连接柱2565，以增强连接片2563的强度。每一连接柱2565轴向开设连接孔2567。
请参阅图5、图6及图12-图13，组装第一连接铰节254时，将每一定位件25760的连接杆25766***弹性件25765后安装于安装框255的安装槽2550内，使定位件25760的导滑槽25764正对通孔25501；定位件25760能沿导滑槽25764滑动，弹性件25765弹性抵持于定位件25760与安装槽2550的内壁之间，弹性件25765抵推定位件25760沿导滑槽25764滑动使卡块25761伸入对应的第一导滑槽2556内；将两个连杆2580分别容置于两个滑动件259的导滑槽2591内，使每一连杆2580的第二连杆2582的通孔2583正对相应的连接柱2593，锁固件***所述通孔2583及连接孔2594以将第二连杆2582的第一端可转动地连接于滑动件259。将第二弹性件25515分别套接于安装板2551的定位柱；将两个滑动件259分别套接于安装框255的两个凸耳2555，且使每一连杆2580的第二连杆2582容置于收纳槽25593内，且第一连杆2581邻近第二限位部2559的第二限位面25591。此时，每一滑动件259套接于对应的凸耳2555上并连接于对应的两个第二弹性件25515。将连接框256覆盖至安装框255上，使连接框256的四个连接柱2566分别可滑动地***安装框255的两个条形槽2554及两个通孔25501内，连接框256的连接片2563抵接于安装框255上的第一弹性件2553，连接框256的连接板2561盖设于安装框255上，两个锁固件分别***安装框255背面的阶梯孔25510连接于连接柱2566的连接孔2567使连接框256能沿所述阶梯孔相对于安装框255滑动；两个锁固件分别***盖板25768及定位件25760的导滑槽25764连接于连接框256上对应的连接孔2567。此时，第一弹性件2553被弹性夹持于连接片2563与安装框255之间，每一连接柱2565能沿对应的条形槽25510滑动，两个滑动件259能相对于安装框255滑动；两个连杆2580能在对应的收纳槽2557内转动。
请一并参阅图13及图14，第二连接铰节257包括条形的连接板2571，连接板2571包括位于中部的第一板体2572及固定连接于第一板体2572相对两端的第二板体2574；第一板体2572与第二板体2574之间通过卡块与卡槽的方式连接；第一板体2572与第二板体2574之间也可以通过螺接或胶接等方式固定连接。本实施例中，每一第二板体2574面朝第一板体2572的一端设有定位槽，第一板体2572的端部容置于所述定位槽内并通过锁固件固定。第二连接铰节257背离中部铰节250的一侧相对的两端分别设置凸耳2575，具体地，每一第二板体2574远离第一板体2572的一端设有所述凸耳2575。第一板体2572背离凸耳2575的一侧设有两个凸片25723。第二连接铰节257相对的两端分别设有固定块25725，固定块25725上开设有连接孔。
连接板2571面朝中部铰节250的一侧相对的两端分别开设间隔的第二滑槽2570，第二滑槽2570沿垂直于连接板2571的长度方向延伸。连接板2571的背面于邻近每一第二滑槽2570处开设安装槽2573，每一安装槽2573邻近对应的第二滑槽2570的一端连通第二滑槽2570，连接板2571朝每一安装槽2573凸设定位柱25730，每一定位柱25730沿轴向开设连接孔25732。第二连接铰节257内也设置定位机构2576，定位机构2576用于定位可折弯机构25处于展平状态或弯折状态。具体地，定位机构2576包括可滑动地容置于安装槽2573内的定位件25760及弹性抵推定位件25760的弹性件25765；定位件25760的一端设置外周面为圆弧面的卡块25761，定位件25760背离卡块25761的一侧相对的两端分别凸设连接杆25766。定位件25760在卡块25761与连接杆25766之间开设条形的导滑槽25764，导滑槽25764沿安装板2571的长度方向延伸并穿通定位件25760的正面及背面。定位件25760可滑动地收容于安装槽2573内，两个弹性件25765分别套接于两个连接杆25766并连接于安装槽2573的内壁，弹性件25765能抵推定位件25760沿安装槽2573滑动使卡块25761能***对应的第二导滑槽2570内。
连接板2571的背面靠近每一凸耳2575设有传动槽2577，传动槽2577为弧形槽，传动槽2577穿通连接板2571背离凸耳2575的侧面。传动槽2577沿垂直于连接板2571的长度方向延伸，传动槽2577的底表面为弧形面，所述弧形面朝向连接板2571的正面弯曲，即传动槽2577的深度方向为连接板2571的厚度方向。本实施例中，每一第二板体2574的背面邻近凸耳2575处设有传动槽2577。每一第二板体2574于传动槽2577的四周设有凹陷，所述凹陷用于固定盖板2578；盖板2578面朝连接板2571的侧面对应传动槽2577设有凸块25780，所述凸块25780设有弧形的外周面；当盖板2578容置于所述凹陷内时，所述凸块25780容置于传动槽2577内，使所述凸块25780的外周面与传动槽2577的弧形面构成弧形槽。
请一并参阅图5、图6及图13-图14，组装第二连接铰节257时，将每一定位件25760的连接杆25766***弹性件25765后安装于连接板2571的安装槽2573内，使安装槽2573内的定位柱25730***定位件25760的导滑槽25764内，定位件25760能沿导滑槽25764滑动，弹性件25765弹性抵持于定位件25760与安装槽2573的内壁之间，弹性件25765抵推定位件25760沿导滑槽25764滑动使卡块25761伸入对应的第二滑槽2570内。
请一并参阅图15至图18，传动机构26包括设于助折组件24相对两侧的传动件262及第一连接架264，第一连接架264用于将两个传动件262连接于助折组件24。每一传动件262呈L型，其包括条形的传动杆2621、设于传动杆2621一端的导滑杆2623，以及设于传动杆2621另一端的连接筒2624，导滑杆2623沿垂直于传动杆2621的长度方向。传动杆2621设有导滑杆2623的一端的端面圆弧设置，导滑杆2623为圆杆。连接筒2624的轴向垂直于传动杆2621的长度方向，连接筒2624背离传动杆2621的端面设为圆弧面，连接筒2624的内腔横截面为腰形，连接筒2624背离导滑杆2623的一端设有缺口2625，缺口2625对应连接筒2624的圆心角的角度大于180度。第一连接架264包括连接片2641及设于连接片2641一侧中部的搭接片2645，搭接片2645垂直于连接片2641。连接片2641相对的两端分别设有转动孔2642，连接片2641相对的两端面分别设置为圆弧面；连接片2641的中部开设通孔2643。搭接片2645远离连接片2641的一端中部开设连接孔2646。
连接机构27包括导轨块及连接于所述导轨块的导轨杆，具体地，所述导轨块包括第一导轨块271、第二导轨块272及位于第一导轨块271与第二导轨块272之间的第三导轨块274；所述导轨杆包括转动地连接于第一导轨块271与第三导轨块274之间的第一导轨杆275，以及转动地连接于第二导轨块272与第三导轨块274的第二导轨杆277。第一导轨杆275及第二导轨杆277分别通过不同的虚拟轴转动地连接于导轨块；具体地，第一导轨杆275沿第一虚拟轴L1(如图21所示)转动，第二导轨杆277沿第二虚拟轴L2(如图21所示)转动。
第一导轨块271具有概呈圆弧形的正面2710，第一导轨块271的背面靠近第三导轨块274的一端设有第一转动腔2711，第一导轨块271的第一转动腔2711的底面为第一导轨曲面2712，第一导轨块271于第一导轨曲面2712远离第三导轨块274的一端设有圆弧形的第一导槽2714，第一导轨曲面2712与第一导槽2714的轴心线共线。第一导轨块271于第一转动腔2711的一侧设有缺口2715，第一导轨块271于第一转动腔2711远离缺口2715的一侧设有条形的通槽27160，所述通槽27160连通第一转动腔2711，所述通槽27160沿第一导轨曲面2712的周向延伸至邻近缺口2715处。所述通槽27160内设有弹性的第一卡接配合部2716，第一卡接配合部2716为弧形片，所述弧形片自所述通槽27160远离缺口2715的一端沿所述通槽27160延伸。第一卡接配合部2716的末端朝向第一转动腔2711内凸设有卡条27162，卡条27162沿第一卡接配合部2716的宽度方向延伸，且卡条27162的外周面为圆弧面。第一导轨块271背离第一转动腔2711一端相对的两侧沿第一导轨曲面2712的轴向分别开设连接孔2717，与缺口2715同侧的连接孔2717延伸至邻近第一导槽2714处，相对的另一侧的连接孔2717穿通第一导轨块271。第一导轨块271背离第一转动腔2711一端相对的两侧分别开设缺口2718，缺口2718所对应的连接孔2717的圆心角的角度大于180度。第一导轨块271背离第一转动腔2711一端的中部设有定位孔2719。
第二导轨块272固定连接于第一遮挡机构290，第二导轨块272的结构与第一导轨块271的结构相似；具体地，第二导轨块272具有概呈圆弧形的正面2720，第二导轨块272的背面靠近第三导轨块274的一端设有第二转动腔2721，第二导轨块272的第二转动腔2721的底面为第二导轨曲面2722，第二导轨块272于第二导轨曲面2722远离第三导轨块274的一端设有圆弧形的第二导槽2724，第二导轨曲面2722与第二导槽2724的轴心线共线。第二导轨块272于第二转动腔2721的一侧设有缺口2725，第二导轨块272于第二转动腔2712远离缺口2725的一侧设有条形的通槽27260，所述通槽27260连通第二转动腔2721，所述通槽27260沿第二导轨曲面2722的周向延伸至邻近缺口2725处。所述通槽27260内设有弹性的第二卡接配合部2726，第二卡接配合部2726为弧形片，所述弧形片自所述通槽27260远离缺口2725的一端沿所述通槽27260延伸。第二卡接配合部2726的末端与通槽27260邻近缺口2725一端的内表面之间形成配合槽27262，配合槽27262沿第二导轨曲面2722的轴向方向延伸。第二导轨块272远离缺口2725的一侧沿第二导轨曲面2712的轴向开设连接孔2727。第二导轨块272背离第二转动腔2721一端的中部设有定位孔2729；第二导轨块272设有定位孔2729的一端固定连接于第一遮挡机构290。
第三导轨块274包括具有概呈圆弧形的正面2740、背离正面2740的背面，以及相对的两侧面2741。面朝第一导轨块271的侧面2741上设有导槽2743及定位柱2744，定位柱2744对应第一导轨块271远离缺口2715一侧的连接孔2717，当定位柱2744插接于所述连接孔2717内使第三导轨块274连接于第一导轨块271时，导槽2743与第一导轨块271的第一导槽2714对应，即导槽2743与第一导槽2714的轴心线共线；面朝第二导轨块272的侧面2741上设有导槽2746及定位柱2747，定位柱2747对应第二导轨块274远离缺口2725一侧的连接孔2727，当定位柱2747插接于所述连接孔2727内使第三导轨块274连接于第二导轨块272时，导槽2746与第二导轨块272的第二导槽2724对应，即导槽2746与第二导槽2724的轴心线共线。导槽2743的轴心线与导槽2746的轴心线平行间隔。
第一导轨杆275一端设有第一导轨配合面2751，第一导轨配合面2751是对应第一导轨块271的第一导轨曲面2712的圆弧面，即当第一导轨杆275连接于第一导轨块271时，第一导轨配合面2751可滑动地贴合于第一导轨曲面2712，所述第一导轨配合面2751沿所述第一导轨曲面2712的轨迹转动，此时，第一导轨配合面2751与第一导轨曲面2712的轴心线共线，第一导轨杆275沿第一虚拟轴L1相对于第一导轩块271转动。第一导轨杆275于第一导轨配合面2751相对的两端沿第一导轨配合面2751设有第一滑轨2753，两个第一滑轨2753分别对应第一导轨块271的第一导槽2714及第三导轨块274的导槽2743。第一卡接部2752位于第一导轨杆275在第一导轨配合面2751邻近所述第一导轨杆275的正面一侧的中部；优选地，第一卡接部2752为沿第一导轨配合面2751的轴向延伸的条形的卡点。第一导轨杆275的正面邻近第一滑轨2753处设有避位槽2754。第一导轨杆275的背面邻近避位槽2754处设有两个固定孔2755。第一导轨杆275远离第一导轨配合面2751一端沿所述第一导轨杆275的长度方向延伸一延伸片2756，延伸片2756的末端设有连接孔2757。第一导轨杆275背离第一导轨块271一侧邻近延伸片2756处设有至少一定位口2758。
第二导轨杆277的结构与第一导轨杆275的结构相似，具体地，第二导轨杆277的一端设有第二导轨配合面2771，第二导轨配合面2771是对应第二导轨块272的第二导轨曲面2722的圆弧面，即当第二导轨杆277连接于第二导轨块272时，第二导轨配合面2771沿所述第二导轨曲面2722的轨迹转动，所述第二导轨配合面2771沿所述第二导轨曲面2722的轨迹转动，此时，第二导轨配合面2771与第二导轨曲面2722的轴心线共线，第二导轨杆277沿第二虚拟轴L2相对于第二导轨块272转动。第二导轨杆277于第二导轨配合面2771相对的两端沿第二导轨配合面2771设有第二滑轨2773，两个第二滑轨2773分别对应第二导轨块272的第二导槽2724及第三导轨块274的导槽2746。第二导轨杆277在第二导轨配合面2771邻近所述第二导轨杆277的正面一侧的中部设有第二卡接部2772；优选地，第二卡接部2772为沿第二导轨配合面2771的轴向延伸的条形的凸出壁。第二导轨杆277的正面邻近第二滑轨2773处设有避位槽2774。第二导轨杆277的背面邻近避位槽2774处设有两个固定孔2775。第二导轨杆277背离第二导轨块271一侧邻近延伸片2756处设有至少一定位口2778。
如图17及图18所示，每一联动机机28包括间隔平行的两个第一轴281、联动件282、两组固定片283、第二连接架284、固定块286及连接柱287，两个第一轴281设于联动件282相对的两侧，两组固定片283及第二连接架284用于连接两个第一轴281和联动件282。两个第一轴281为实体轴，且分别连接于两个传动件262，联动件282连接于两个第一轴281之间，其中一传动件262转动，能带动对应的第一轴281转动，所述第一轴281通过联动件282带动另一第一轴281转动、使另一传动件262也一并转动。两个第一轴281以联动件282的中心线对称。
每一第一轴281与联动件282之间通过螺旋导槽2811与所述螺旋导槽2811配合的滑块2821连接，其中一第一轴281旋转使滑块2821在对应的螺旋导槽2811内滑动，使联动件282沿平行于第一轴281的轴心线方向移动，以带动另一第一轴281一同转动。
联动件282为联动块，联动件282包括相对的两侧面2822，两个侧面2822沿第一轴281的轴向开设相对的两个收纳槽2823，每一收纳槽2823的横截面呈圆弧形，滑块2821凸设于收纳槽2823的内表面。优选的，每一滑块2821的外表面为球形面。本实施例中，每一收纳槽2823的内表面的横截面为半圆形，联动件282的每一收纳槽2823的内表面沿收纳槽2823的延伸方向设有至少一滑块2821。在其他实施例中，每一收纳槽2823的内表面沿收纳槽2823的延伸方向设有相互间隔的两个或两个以上的滑块2821。联动件282的中部沿收纳槽2823的延伸方向设有通孔2825。
两个第一轴281的外周壁分别可转动地收容于两个收纳槽2823内，每一第一轴281的外周壁开设至少一螺旋导槽2811，当每一第一轴281收容于对应的收纳槽2823内时，收纳槽2823内的滑块2821可滑动地插接于螺旋导槽2811内。优选的，每一螺旋导槽2811的内表面的横截面为半圆形，滑块2821的外表面与对应的螺旋导槽2811的内表面可滑动地贴合。具体的，每一第一轴281的中部固定套接一转筒2812，转筒2812为圆柱体，螺旋导槽2811开设于转筒2812的外周壁。本实施例中，转筒2812的外周壁上开设一个螺旋导槽2811；在其他实施例中，转筒2812的外周壁上开设有两个或两个以上的相互间隔的螺旋导槽2811。优选的，转筒2812的半径等于收纳槽2823的半径，以便每一转筒2812的外周壁贴合于对应的收纳槽2823的内周壁。每一第一轴281的转筒2812的外周壁相对的两端沿周向分别开设环形的卡槽2814。卡槽2814用于卡接固定片283。每一第一轴281的第一端部2815的横截面为腰形，相对的第二端部2816的横截面为圆形。每一第一轴281的第一端部2815用于连接对应的传动件262。
每一固定片283相对的两端分别设置卡钩2832，固定片283的中部开设卡孔2834，每一卡钩2832可插接于对应的卡槽2814内。第二连接架284包括连接片2841及设于连接片2841一侧中部的搭接片 2845，搭接片2845垂直于连接片2841。连接片2841相对的两端分别设有转动孔2842，连接片2841相对的两端面分别设置为圆弧面；连接片2841的中部开设通孔2843。搭接片2845远离连接片2841的一端中部开设连接孔2846。
固定块286包括圆弧形的正面2861、底面、相对的两端面2862及相对的两侧面，固定块286的正面2861中部的一端设有容置槽2863，容置槽2863穿通端面2862，固定块286的容置槽2863的底面开设连接孔28630；固定块286背离容置槽2863的端面2862的中部凸设连接片2864，所述连接片2864上开设通孔。固定块286设有容置槽2863的端面2862相对的两侧分别设有连接孔2865，连接孔2865没有穿通固定块286。固定块286设有连接片2864的端面2862相对的两侧分别设有导槽2867，每一导槽2867为圆弧槽，两个导槽2867分别穿通固定块286相对的两侧面。
本实施例中，第一遮挡机构290的数量为两个，即每一助折组件24的端部设有遮挡机构290。具体地，第一遮挡机构290包括多个铰接的遮挡单元，多个遮挡单元分别连接于连接机构27、第一转动铰节252、第二转动铰节253、第一连接铰节254及第二连接铰节257。优选地，每一第一遮挡机构290中间的遮挡单元与连接机构27的第二导轨块272一体成型，相对两端的遮挡单元分别连接于第一连接铰节254及第二连接铰节257。当可折弯机构25的多个铰节相对转动，各遮挡单元也相对转动。第一遮挡机构290用于遮挡灰尘或水等杂物从侧部进入折叠装置22内。
请一并参阅图18及图19，每一第一遮挡机构290是若干遮挡单元依次连接成的表链式结构，若干遮挡单元包括第一遮挡单元、第二遮挡单元及位于第一遮挡单元与第二遮挡单元之间的第三遮挡单元，第一遮挡单元连接连接机构27，第二遮挡单元连接第一连接铰节254及第二连接铰节257，第三遮挡单元连接于第一转动铰节252及第二转动铰节253。具体地，第一遮挡机构290包括位于中部的中部挡片291、转动地连接于中部挡片291相对的两侧的连接挡片292，以及转动地连接于每一连接挡片292远离中部挡片291一侧的固定挡片293。可选地，中部挡片291固定连接于第二导轨块272背离第一导轨块271的端部，两个连接挡片292分别固定连接于第一转动铰节252及第二转动铰节253，两个固定挡片293分别固定连接于第一连接铰节254及第二连接铰节257的端部。第一遮挡单元是中部挡片291，第二遮挡单元是固定挡片293，第三遮挡单元是连接挡片292。
具体地，中部挡片291包括概呈腰形的连接部2911及设置于连接部2911一侧的遮挡部2912。连接部2911邻近第二导轨块272的一侧相对的两端分别设置旋转轴2914。连接部2911相对的两端于每一旋转轴2914的周围开设收容缺口。
每一连接挡片292包括概呈腰形的连接部2921、设置于连接部2921一侧的遮挡部2922，以及设置于遮挡部2922远离连接部2921一端的连接条2924。连接部2921的正面及相对的两端面均设置成圆弧面，连接部2921的正面与每一端面圆滑过渡。连接部2921背离连接条一侧相对的两端分别开设收容槽，连接部2921于每一收纳槽的侧面设置为圆弧面。连接部2921相对的两端分别开设连通对应的收容槽的轴孔2925。连接条2924的末端开设通孔。每一固定挡片293包括连接部2931、设置于连接部2931一侧的遮挡部2932，以及设置于遮挡部2932的固定部2934，连接部2931远离遮挡部2932的一端设置圆弧面，连接部2931远离遮挡部2932的一端沿所述圆弧面的轴心线凸设旋转轴2935；固定部2934开设若干连接孔2936。
组装每一助折组件24时，将两个连接挡片292分别放置于中部挡片291相对的两侧，使中部挡片291相对的两端分别容置于两个连接挡片292的收容槽内，且两个旋转轴2914分别***两个连接挡片292的轴孔2925内；将两个固定挡片293分别置于两个连接挡片292远离中部挡片291的一侧，两个固定挡片293设有旋转轴2935的端部分别容置于两个连接挡片292的收容槽内，且两个固定挡片293的旋转轴2935分别***对应的轴孔2925中。将第二导轨杆277的第二导轨配合面2771贴合于第二导轨块272的第二导轨曲面2722，使第二导轨杆277的其中一第二滑轨2773***第二导槽2724内，将第三导轨块274连接于第二导轨块272，第三导轨块274的定位柱2747卡入连接孔2727内，使得第二导轨杆277的另一第二滑轨2773***导槽2746内；将第一导轨杆275的第一导轨配合面2751贴合于第一导轨块271的第一导轨曲面2711，使第一导轨杆275的其中一第一滑轨2753***第一导槽2714内，将第三导轨块274背离第二导轨块272的一侧连接于第一导轨块271，定位柱2744卡接于连接孔2717内，且第一导轨杆275的另一第一滑轨2753***导槽2743内。将两个第一轴281的转筒2812分别容置于联动件282的两个收纳槽2823内，且使滑块2821分别可滑动地容置于对应的螺旋导槽2811内；将两组固定片283的卡钩2832可插接于对应的卡槽2814内，此时，两组固定片283的卡孔2834正对联动件282的通孔2825；将第一连接架264及第二连接架284分别置于两组固定片283背离联动件282的一侧，使两个第一轴281的第一端部2815分别***第一连接架264的两个通孔2643中，第二部部2816分别***第二连接架284的两个通孔2843中；将连接柱287依次***第二连接架284的通孔2843、固 定片283的卡孔2834、联动件282的通孔2825及第一连接架264的通孔2643；将两个第一轴281的第一端部2815分别固定插接于两个传动件262的连接筒2624的内腔后，***第一导轨块271的两个连接孔2717中，此时，第一连接架264的搭接片2645搭接于第一导轨块271的正面，且连接孔2646正对定位孔2719，两个传动件262的缺口2625分别正对第一导轨块271的两个缺口2718，锁固件穿过连接孔2646锁固于定位孔2719。将两个第一轴281的第二端部2816分别***固定块286的两个连接孔2865内，且搭接片2845容置于容置槽2863内，锁固件穿过连接孔2846锁固于连接孔28630。
此时，两个传动件262的连接筒2624分别固定连接于两个第一轴281的第一端部2815，其中一传动件262沿对应的第一轴281转动能带动所述第一轴281转动，所述第一轴281的转动使对应的滑块2821在螺旋导槽2811内滑动，以带动联动件282沿连接柱287滑动，所述联动件282的滑动带动另一传动件281转动，从而实现传动件262的联动，即两个传动件262同步相对相向转动或相对背向转动，所述相向转动指两个传动件281远离对应的第一轴281的一端相对靠拢；背向转动指两个传动件281远离对应的第一轴281的一端相对远离；第一导轨杆275的第一滑轨2753可滑动地容置于第一导槽2714及导槽2743内，第一导轨配合面2751可滑动地贴合于第一导轨曲面2712，第一卡接部2752滑动地抵推第一卡接配合部2716，第一卡接部2752相对于第一卡接配合部2716具有活动阻尼；第二导轨杆277的第二滑轨2773可滑动地容置于第二导槽2774及导槽2746内，第二导轨配合面2771可滑动地贴合于第二导轨曲面2722，第二卡接部2772弹簧抵挡于第二卡接配合部2726，第二卡接部2772相对于第二卡接配合部2726滑动时具有活动阻尼，此时，第一导轨杆275与第二导轨杆277大致平行。
如图4至图6所示，遮挡机构29设置于可折弯机构25的弯折内侧，遮挡机构29与连接机构27连接；当可折弯机构25弯折时，连接机构27可带动遮挡机构29相对可折弯机构25滑动。具体地，遮挡机构29的第一遮挡机构290设置于可折弯机构25相对的两端，第二遮挡机构295设置于可折弯机构25的背面，第一遮挡机构290的中部挡片291固定连接于连接机构27，连接挡片292及固定挡片293连接于可折弯机构25，第二遮挡机构295与连接机构27连接；当可折弯机构25弯折时，连接机构27可带动第二遮挡机构295相对可折弯机构25滑动，且第一遮挡机构290随可折弯机构25弯折。
第二遮挡机构295至少覆盖中部铰节250，具体地，第二遮挡机构295包括第一遮挡件2951和第二遮挡件2955，第一遮挡件2951至少覆盖中间铰节251的第一部分和第一转动铰节253，第二遮挡件2955至少覆盖中间铰节251的第二部分和第二转动铰节252。本实施例中，第一遮挡件2951和第二遮挡件2955均为条形的遮挡，由于第一遮挡件2951和第二遮挡件2955的结构相同，因此，仅祥细介绍第一遮挡件2951：第一遮挡件2951包括矩形的盖板2952及设于盖板2952正面边缘的凸缘2953，盖板2952与凸缘2953围成容置空间2954。第一遮挡件2951的容置空间2954容置有连接片2956，第一遮挡件2951通过连接片2956固定连接于第一导轨杆275。具体地，连接片2956相对的两端分别设有若干连接孔2957。第二遮挡件2955也包括矩形的盖板及设于盖板正面边缘的凸缘，第二遮挡件2955也通过连接片2956固定连接于第二导轨杆277。
请参阅图3至图25，组装折叠装置22时，将两个助折组件24分别放置于中间铰节251背面相对的两端，使每一助折组件24的固定块286的连接片2864的通孔正对中间铰节251相应的连接柱2512，且第二导轨块272的定位孔2729正对相应的沉头孔2514；将两个螺钉分别***两个助折组件24的连接片2864的通孔锁固于连接柱2512的连接孔，将两个锁固件***中间铰节251两端的沉头孔2514锁固于两个助折组件24的定位孔2729内。将两个第一旋转铰节252及第二旋转铰节253分别放置于中间铰节251相对的两侧，将第一旋转铰节252的两个第二弧形导板2524分别***两个助折组件24的导槽2867，将第二旋转铰节253的两个第二弧形导板2534分别***两个助折组件24的导槽2867；将每一助折组件24的第一遮挡机构290的连接挡片292的连接条2924分别置于第一旋转铰节252相对两端的定位块2526及第二旋转铰节253相对两端的定位块2536，若干锁固件分别***的连接条2924的通孔锁固于对应的连接孔2527、2537。将第一连接铰节254及第二连接铰节257分别置于中部铰节250相对的两侧，两个助折组件24一侧的第一导轨杆275分别***第一连接铰节254的第一导滑槽2556内，且使每一第一导轨杆275的末端可转动地连接于对应的连杆2580的第一连杆2581的第一端，即锁固件***延伸片2756末端的连接孔2757连接于第一连杆2581的第一端的通孔2583；将两个助折组件24另一侧的第二导轨杆277分别***第二连接铰节257的第二滑槽2570内。第一连接铰节254上的两个定位件25760在对应的弹性件25765的抵推下能使卡块25761卡入对应的定位口2758内；第二连接铰节267上的两个定位件25760在对应的弹性件25765的抵推下能使卡块25761卡入对应的定位口2778内，以使折叠装置22保持展平状态。
将两个助折组件24一侧的传动件262的导滑杆2623容置于第一连接铰节254上的传动槽25514内，两个盖板25513分别覆盖于传动槽25514，并通过锁固件固定，此时，导滑杆2623能沿传动槽25514 的弧形面滑动，将两个助折组件24另一侧的传动件262的导滑杆2623容置于第二连接铰节257上的传动槽2577内，两个盖板2578分别覆盖于传动槽2577，并通过锁固件固定，此时，导滑杆2623能沿传动槽2577的弧形面滑动。将每一助折组件24的第一遮挡机构290的两个固定挡片293分别固定于第一连接铰节254及第二连接铰节257的端部，即固定挡片293的固定部2934分别卡入第一连接铰节254的固定槽25518及连接于第二连接铰节257的固定块25725，并通过锁固件***连接孔2936后锁固于第一连接铰节254及第二连接铰节257；第一连接铰节254的两个凸片25516对应第一转动铰节252的第一弧形导板2522，第二连接铰节257的两个凸片25723对应第二转动铰节253的第一弧形导板2532。将第二遮挡机构295安装于两个助折组件24，具体地，将其中一连接片2956覆盖在两个第一导轨杆275的背面，若干锁固件分别***连接片2956的连接孔2957锁固于对应的固定孔2755，并将第一遮挡件2951套接固定于连接片2956上；将另一连接片2956覆盖在两个第二导轨杆277的背面，若干锁固件分别***连接片2956的连接孔2957锁固于对应的固定孔2775，并将第二遮挡件2955套接固定于连接片2956上；第二遮挡机构295覆盖于折叠装置22的背面，以防止灰尘等杂质从背面进入折叠装置22内。
优选地，传动机构26的一端转动连接于中部铰节250，另一端滑动连接于连接铰节。具体地，每一助折组件24一侧的传动件262的一端转动连接于中部铰节250，所述传动件262的另一端转动并滑动地连接于第一连接铰节254；每一助折组件24另一侧的传动件262的一端转动连接于中部铰节250，所述传动件262的另一端转动并滑动地连接于第二连接铰节257。
优选地，连接机构27的一端转动连接于中部铰节250，另一端滑动连接于连接铰节；具体地，每一助折组件24的第一导轨杆275沿第一虚拟轴L1转动连接于中部铰节250，另一端滑动地连接于第一连接铰节254；每一助折组件24的第二导轨杆277沿第二虚拟轴L2转动连接于中部铰节250，另一端滑动连接于第二连接铰节257。
每一助折组件24的传动机构26绕第一轴281转动连接于中部铰节250，连接机构27绕第二轴转动连接于中部铰节250，第一轴与第二轴错开；具体地，传动机构26的两个传动件262通过平行间隔的两个第一轴281连接于中部铰节250；第二轴包括平行间隔的第一虚拟轴L1转动及第二虚拟轴L2转动，第一导轨杆275绕所述第一虚拟轴L1连接于中部铰节250，进一步地，第一导轨杆275相对于第一导轨块271沿第一虚拟轴L1转动；第二导轨杆277绕所述第二虚拟轴L2连接于中部铰节250，进一步地，第二导轨杆277相对于第二导轨块272沿第二虚拟轴L2转动。具体地，第一轴281为实体轴，第一虚拟轴L1是第一导轨曲面2712的轴心线，第二虚拟轴L2是第二导轨曲面2722的轴心线，第一轴281与所述第一虚拟轴L1及第二虚拟轴L2平行间隔。
请一并参阅图26-图32，折叠装置22弯折时，将第一连接铰节254朝向第二连接铰节257转动，两个第一导轨杆275分别在第一连接铰节254的两个第一导滑槽2556内滑动，每一第一导轨杆275滑动地抵推对应的定位件25760朝远离所述第一导轨杆275滑动，弹性件25765发生弹性变形，使定位件25760的卡块25761脱离对应的定位口2758；两个传动杆2621在第一连接铰节254的传动槽25514内滑动，由于每一助折组件24的两个传动件262通过联动机构28连接，当连接于第一连接铰节254与联动机构28之间的传动杆2621转动时，能带动对应的第一轴281转动，所述第一轴281通过联动件282带动另一侧的第一轴281转动，所述另一侧的第一轴281转动带动连接于第二连接铰节257与联动机构28之间的传动杆2621转动，使第二连接铰节257同步朝向第一连接铰节255转动，所述第二连接铰节257带动第二导轨杆277在第二滑槽2570内滑动，第二导轨杆277滑动地抵推对应的定位件25760朝远离所述第二导轨杆275滑动，弹性件25765发生弹性变形，使定位件25760的卡块25761脱离对应的定位口2778，使每一助折组件24的两个第二导轨杆277也相互靠拢，以实现折叠装置22的联动折弯。
在弯折过程中，第一导轨杆275的延伸片2756带动第一连杆2851的第一端相对于所述延伸片2756转动，第一连杆2851的第二端相对于第二连杆2582的第二端转动，使第一连杆2851远离第二限位部2559，直至第一连杆2851抵挡于止挡条2558的第一限位面25581及第一限位部2595。连接铰节绕虚拟轴相对中部铰节250转动，具体地，第一连接铰节254绕第一虚拟轴L1相对中部铰节250转动，且第一连接铰节254相对于中部铰节250滑动；第二连接铰节257绕第二虚拟轴L2相对中部铰节250转动，且第二连接铰节257相对于中部铰节250滑动。第一导轨杆275的第一导轨配合面2751滑动地贴合于第一导轨曲面2712，第一导轨杆275的第一卡接部2752滑动地抵推第一卡接配合部2716，使第一卡接配合部2716弹性变形，直至第一卡接部2752脱离与卡条27162的卡合；同时，第二导轨杆277的第二导轨配合面2771滑动地贴合于第二导轨曲面2722，第二导轨杆277的第二卡接部2772滑动地抵推第二卡接配合部2726，使第二卡接配合部2726弹性变形，第一卡接部2752与第一卡接配合部2716之间具有活动阻尼，直至第二卡接部2772脱离与卡条27162的卡合；同时，第二导轨杆277的第二导轨配合面2771滑动地贴合于第二导轨曲面2722，第二导轨杆277的第二卡接部2772滑动地抵推第二卡接配合 部2726，使第二卡接配合部2726弹性变形，第二卡接部2772与第二卡接配合部2726之间具有活动阻尼，直至第二卡接部2772与配合槽27262的卡合，使可弯折机构25保持弯折状态。每一第一遮挡机构290的两个固定挡片293随第一连接铰节254及第二连接铰节257活动，以带动两个连接挡片292同步转动，两个连接接片292带动第一转动铰节252及第二转动铰节253同步转动，第一转动铰节252的第二弧形导板2524在对应的导槽2867内滑动，第二转动铰节253的第二弧形导板2534在对应的导槽2867内滑动，第一转动铰节254的两个第一弧形导板2522分别滑动地接触第一连接铰节254对应的凸片25516，第二转动铰节253的两个第一弧形导板2532分别滑动地接触第二连接铰节257对应的凸片25723，以实现可折弯机构25的同步弯折。第二遮挡机构295的第一遮挡件2951随第一导轨杆257相对于中间铰节251转动，即第一遮挡件2951沿第一虚拟轴L1转动；第二遮挡件2955随第二导轨杆277相对于中间铰节251转动，即第二遮挡件2955沿第二虚拟轴L2转动；所述第一虚拟轴L1与所述第二虚拟轴L2平行间隔，所述第一虚拟轴L1位于所述第一遮挡件2951内，所述第二虚拟轴L2位于所述第二遮挡件2955内。优选地，虚拟轴位于第二遮挡机构295背面或者接近第二遮挡机构295的背面，具体地，所述第一虚拟轴L1位于或靠近所述第一遮挡件2951的背面，所述第二虚拟轴L2位于或靠近所述第二遮挡件2955的背面；所述第一虚拟轴L1及所述第二虚拟轴L2接近第二遮挡机构295的背面，当虚拟轴越接近第二遮挡机构295的背面，则第二遮挡机构295的背面在展开和弯折的过程中就越不会出现长度差，这样第二遮挡机构295的背面就不会出现受到张力或压缩力。
可选地，第一卡接部2752位于第一导轨配合面2751上；第一卡接配合部2716位于第一导轨曲面2712上；当可折弯机构20在展开状态下第一卡接配合部2716卡接第一卡接部2752；当所述可弯折机构25弯折时，第一卡接部2752克服第一卡接配合部2716的阻力并脱离所述第一卡接配合部2716。
传动机构26相对连接铰节的滑动轨迹为弧形，即连接于第一连接铰节254的传动件262与所述第一连接铰节254之间的滑动轨迹为传动槽25514的底表面；连接于第二连接铰节257的传动件262与所述第二连接铰节257之间的滑动轨迹为传动槽2577的底表面。
在连接铰节相对中部铰节250活动时，传动机构26相对连接铰节滑动；具体地，第一连接铰节254相对于中部铰节250转动并滑动时，连接于第一连接铰节254与中部铰节250之间的传动件262相对于第一连接铰节254滑动；第二连接铰节257相对于中部铰节250转动并滑动时，连接于第二连接铰节257与中部铰节250之间的传动件262相对于第二连接铰节257滑动。
传动机构26相对连接铰节的滑动轨迹不同于连接机构27相对于连接铰节的滑动轨迹。具体地，传动机构26的传动件262相对于第一连接铰节254或第二连接铰节257的滑动轨迹不同于连接机构27的第一导轨杆275相对于第一连接铰节254或第二导轨杆277相对于第二连接铰节257的滑动轨迹。
优选地，传动机构26相对连接铰节的滑动包括第一滑动分量和第二滑动分量，所述第一滑动分量为背离或指向中部铰节250的方向，所述第二滑动分量垂直于第一滑动分量。具体地，连接于第一连接铰节254的传动件262相对于所述第一连接铰节254的滑动包括背离或指向中部铰节250的方向的第一滑动分量及垂直于所述第一滑动分量的第二滑动分量。
可折弯机构25弯折时，连接机构27相对连接铰节朝第一方向滑动直至第一限位部2595被连接机构27朝第二方向所限位，第二方向与第一方向相反。具体地，第一导轨杆275相对第一连接铰节254朝第一方向滑动直至第一限位部2595被第一导轨杆275朝第二方向所限位。
可选地，可弯折机构25弯折时，第二连杆2582的第一端相对连接铰节27的移动方向与第一连杆2581的第一端相对连接铰节27的移动方向相反；具体地，第二连杆2582的第一端相对第一连接铰节254末端的移动方向与第一连杆2581的第一端相对第一连接铰节254末端的移动方向相反。
可选地，可弯折机构25弯折时，第一连杆2581的第一端相对连接铰节27的移动距离大于第二连杆2582的第一端相对连接铰节27的移动距离。
可选地，可弯折机构25弯折过程中，第一连杆2581与第二连杆2582之间所形成的夹角增大。
在其他的使用方式中，可以将第二连接铰节257朝向第一连接铰节254转动，两个第二导轨杆277分别在第二连接铰节257的两个第二滑槽2570内滑动，每一第二导轨杆277滑动地抵推对应的定位件25760朝远离对应的第二导轨杆277滑动，弹性件25765发生弹性变形，使定位件25760的卡块25761脱离对应的定位口2778；两个传动杆2621在第二连接铰节257的传动槽2577内滑动，由于每一助折组件24的两个传动件262通过联动机构28连接，当连接于第二连接铰节257与联动机构28之间的传动杆2621转动时，能带动对应的第一轴281转动，所述第一轴281通过联动件282带动另一侧的第一轴281转动，所述另一侧的第一轴281转动带动连接于第一连接铰节254与联动机构28之间的传动杆2621转动，使第一连接铰节254同步朝向第二连接铰节254转动，所述第一连接铰节255带动第一导轨杆257在第一滑槽2556内滑动，第一导轨杆257滑动地抵推对应的定位件25760朝远离所述第一导轨杆257 滑动，弹性件25765发生弹性变形，使定位件25760的卡块25761脱离对应的定位口2758，使每一助折组件24的两个第一导轨杆275也相互靠拢，以实现折叠装置22的联动折弯。
在其他的使用方式中，也可以将第一连接铰节254及第二连接铰节257朝相向方向一同转动，由于每一助折组件24的两个传动件262通过联动机构28连接，第一连接铰节254及第二连接铰节257一并带动每一助折组件24的传动件262转动，以带动两个第一轴281转动，使两个传动件262相互靠近，从而使第一连接铰节254及第二连接铰节257同步相互靠近而使折叠装置22折弯。
当折叠装置22由弯折状态展平时，将第一连接铰节254朝远离第二连接铰节257转动，两个第一导轨杆275分别在第一连接铰节254的两个第一导滑槽2556内滑动，以抵推定位件25760朝远离对应的第一导轨杆275滑动，弹性件25765发生弹性变形，直至定位件25760的卡块25761卡入对应的定位口2758；同时，两个传动杆2621在第一连接铰节254的传动槽25514内滑动，由于每一助折组件24的两个传动件262通过联动机构28连接，当连接于第一连接铰节254与联动机构28之间的传动杆2621转动时，能带动对应的第一轴281转动，所述第一轴281通过联动件282带动另一侧的第一轴281转动，所述另一侧的第一轴281转动带动连接于第二连接铰节257与联动机构28之间的传动杆2621转动，使第二连接铰节257同步向远离第一连接铰节255转动，所述第二连接铰节257带动第二导轨杆277在第二滑槽2570内滑动，第二导轨杆277滑动地抵推对应的定位件25760朝远离所述第二导轨杆275滑动，弹性件25765发生弹性变形，直至定位件25760的卡块25761卡入对应的定位口2778，使每一助折组件24的两个第二导轨杆277也相互远离，以实现折叠装置22的联动展平。
此时展平过程中，第一导轨杆275的延伸片2756带动第一连杆2851的第一端相对于延伸片2756转动，第一连杆2851的第二端相对于第二连杆2582的第二端转动，使第一连杆2851远离第一限位部2595及第一限位面25581而靠近第二限位部2559，直至第一连杆2851贴合于第二限位面25591，且弹性件25765抵推定位件25760滑动，直至卡块25761卡入对应的定位口2758、2778，以定位折叠装置22保持展平状态；第一导轨杆275的第一导轨配合面2751滑动地贴合于第二限位部2559的第一导轨曲面2712，第一导轨杆275的第一卡接部2752滑动地抵推第一卡接配合部2716，使第一卡接配合部2716弹性变形，直至第一卡接部2752与卡条27162卡合；同时，第二导轨杆277的第二导轨配合面2771滑动地贴合于第二导轨曲面2722，第二导轨杆277的第二卡接部2772滑动地抵推第二卡接配合部2726，使第二卡接配合部2726弹性变形。每一第一遮挡机构290的两个固定挡片293随第一连接铰节254及第二连接铰节257转动，以带动两个连接挡片292同步转动，两个连接挡片292带动第一转动铰节252及第二转动铰节253同步转动而相互远离，第一转动铰节252的第二弧形导板2524在对应的导槽2867内滑动，第二转动铰节253的第二弧形导板2534在对应的导槽2867内滑动，以实现可折弯机构25的同步展平。第二遮挡机构295的第一遮挡件2951随第一导轨杆257相对于中间铰节251转动；第二遮挡件2955随第二导轨杆277相对于中间铰节251转动，直至第一遮挡件2951及第二遮挡件2955呈展平状态。
在其他的使用方式中，可以将第二连接铰节257向远离第一连接铰节254转动，两个第二导轨杆277分别在第二连接铰节257的两个第二滑槽2570内滑动，以抵推定位件25760朝远离对应的第二导轨杆277滑动，弹性件25765发生弹性变形，直至定位件25760的卡块25761卡入对应的定位口2778；两个传动杆2621在第二连接铰节257的传动槽2577内滑动，由于每一助折组件24的两个传动件262通过联动机构28连接，当连接于第二连接铰节257与联动机构28之间的传动杆2621转动时，能带动对应的第一轴281转动，所述第一轴281通过联动件282带动另一侧的第一轴281转动，所述另一侧的第一轴281转动带动连接于第一连接铰节254与联动机构28之间的传动杆2621转动，所述传动杆2621带动第一连接铰节254远离第二连接铰节254转动。
在其他的使用方式中，也可以将第一连接铰节254及第二连接铰节257朝相反方向一同转动，由于每一助折组件24的两个传动件262通过联动机构28连接，第一连接铰节254及第二连接铰节257一并带动每一助折组件24的传动件262朝相互远离的方向转动，以一并带动两个第一轴281转动，使两个传动件262相互靠近，从而使第一连接铰节254及第二连接铰节257同时相互靠近而使折叠装置22折弯。
当折叠装置22在展平状态时，第一连杆2581能与第二限位部2559的第二限位面25591贴合，可以起到防止在跌落时滑动件259在凸耳2555上溃缩情况，以避免与滑动件259固定连接的柔性屏出现拱起而发生损坏；当折叠装置22在弯折状态时，第一连杆2581能与止挡条2558的第一限位面25581及第一限位部2595抵触，也可以起到防止在跌落时滑动件259在凸耳2555上溃缩情况，以避免与滑动件259固定连接的柔性屏出现拱起而发生损坏。
请一并参阅图1至图4及图11至图14，将安装完成的折叠装置22置于第一框体21与第二框体23之间，第一连接铰节254的两个凸耳2555分别收容于第一框体21，且位于第一框体21内的滑动件259固定连接于第一框体21。第一连接铰节254的连接框256与安装框255可沿垂直于中部铰节250的弯折轴心线的方向相对滑动；第一弹性件2553产生将连接框256的连接片2563向远离中部铰节250的一侧推动的弹性力，第二弹性件25515产生将滑动件259推离第一连接铰节254的弹性力。可选地，第一弹性件2553与第二弹性件25515均被预压缩之后安装于相应的位置上。折叠装置22的正面与第一框体21的正面及第二框体23的正面共面，连接板2561与安装框255之间沿垂直于折叠装置22的弯折轴心线方向上有间隙。支撑片50的一端固定于第二框体23上，另一端固定于连接板2561上，两端之间的部分覆盖于折叠装置22的部分位置上并可相对折叠装置22的该部分位置滑动。可选地，支撑片50的两端之间的部分覆盖于第一连接铰节254、中部铰节250及第二连接铰节257。柔性屏30的一端固定于支撑片50的一端，另一端固定于第一框体21上，两端之间的部分覆盖支撑片50的相应部分并可相对支撑片50的该相应部分滑动。此时，中部铰节250的一侧用于和柔性屏30贴合，第一虚拟轴L1和第二虚拟轴L2相对第一轴281远离中部铰节250用于贴合柔性屏30的一侧。
当所述折叠装置22处于展开状态时，连杆2580的第一连杆2581与该第二限位部2559的第二限位面25591贴合，从而可实现当所述折叠装置22受到向中间区域挤压的力时，不会由于该挤压力而使折叠装置22在横向方向上压缩，从而使屏幕拱起。当所述折叠装置22处于弯折状态时，连杆2580的第一连杆2581的第一端抵触止挡条2558的第一限位面25581及第一限位部2595，从而可实现当所述折叠装置22受到向中间区域挤压的力时，不会由于该挤压力而使折叠装置22在横向方向上压缩，从而使屏幕拱起。
可选地，当折叠装置22弯折时，支撑片50可带动连接板2561相对第二框体23滑动，柔性屏可带动第一框体21相对第二框体23滑动。支撑片50也可带动连接板2561相对第二框体23朝向第二框体23滑动，柔性屏可带动第一框体21相对第二框体23朝向第二框体23滑动。柔性件30的可折弯区域31可随折叠装置22的弯折而弯曲，第一弹性件2553向外抵推连接片2563，以带动连接板2561向远离中部铰节250的一侧抵推支撑片，使支撑片50处于绷紧状态。第二弹性件25515向外抵推第一框体21，使柔性屏绷紧，防止柔性屏拱起而损坏。当柔性件30处在展平状态时，每一定位件25760的卡块25761卡入对应的定位口2758及定位口2778内，且连杆2580的第一连杆2581抵顶于第二限位部2559的第二限位面25591，以定位可折弯机构25保持展平状态。
请一并参阅图26至图32，弯折电子设备100时，对电子设备100的第一框体21及第二框体23至少其中一个施加折弯的力，使连接于第一框体21的第一连接铰节254和第二框体23的第二连接铰节257朝相互邻近的方向转动，通过两个助折组件24实现折叠装置22的折弯，柔性件30的可折弯区域31的弯折。具体地，如对第一框体21施加折弯的力，第一框体21带动第一连接铰节254沿第一虚拟轴L1相对于中部铰节250朝远离柔性件30的一侧转动；第一连接铰节254带动两个助折组件24对应的传动杆2621转动，且两个第一导轨杆275分别在第一连接铰节254的两个第一导滑槽2556内滑动，使第一连接铰节254上的定位件25760的卡块25761脱离对应的第一导轨杆275的定位口2758的卡接；两个传动杆2621在第一连接铰节254的传动槽25514内滑动，由于每一助折组件24的两个传动件262通过联动机构28连接；因此，连接于第一连接铰节254与联动机构28之间的传动杆2621转动时，能带动对应的第一轴281转动，所述第一轴281通过联动件282带动另一侧的第一轴281转动，所述另一侧的第一轴281转动带动连接于第二连接铰节257与联动机构28之间的传动杆2621转动，使第二连接铰节257同步朝向第一连接铰节255转动，所述第二连接铰节257带动第二导轨杆277在第二滑槽2570内滑动，第二导轨杆277滑动地抵推对应的定位件25760朝远离所述第二导轨杆275滑动，弹性件25765发生弹性变形，使定位件25760的卡块25761脱离对应的定位口2778，使每一助折组件24的两个第二导轨杆277也相互靠拢，使得折叠装置22呈折弯状态，柔性件30的可折弯区域31随折叠装置22弯折，直至第一框体21与第二框体23的背面贴接。
此时，折叠装置22完成弯折，柔性件30随折叠装置22实现弯折，使中部铰节250与第一连接铰节254及第二连接铰节257的正面相互连接形成拱形的弧面，以方便贴合柔性件30。
在折叠装置22的弯折过程中，连接铰节绕虚拟轴相对中部铰节250转动，具体地，每一遮挡机构29随折叠装置22的弯折而弯折，即第一遮挡机构290若干所述遮挡单元沿折叠装置22弯折，以使中部挡片291的遮挡部2912、连接挡片292的遮挡部2922及固定挡片293的遮挡部2932相互搭接，以防止灰尘等杂质从电子设备100相对的两侧进入折叠装置22内；第一遮挡机构290的第一遮挡件2951及第二遮挡件2953随折叠装置22弯折，以防止灰尘等杂质从电子设备100的背面进入折叠装置22内。
在对电子设备100的其他折弯方式中，也可以仅对第二框体23施加折弯的力，第二框体23带动第二连接铰节257沿第二虚拟轴L2相对于中部铰节250朝远离柔性件30的一侧转动；第二连接铰节257带动两个助折组件24对应的传动杆2621转动，且两个第二导轨杆277分别在第二连接铰节257的两个第二导滑槽2570内滑动，使第二连接铰节257上的定位件25760的卡块25761脱离对应的第二导轨杆277的定位口2778的卡接；两个传动杆2621在第二连接铰节257的传动槽2577内滑动，由于每一助折组件24的两个传动件262通过联动机构28连接；因此，连接于第二连接铰节257与联动机构28之间的传动杆2621转动时，能带动对应的第一轴281转动，所述第一轴281通过联动件282带动另一侧的第一轴281转动，所述另一侧的第一轴281转动带动连接于第一连接铰节254与联动机构28之间的传动杆2621转动，使第一连接铰节254同步朝向第二连接铰节257转动，所述第一连接铰节254带动第一导轨杆275在第一滑槽2556内滑动，第一导轨杆275滑动地抵推对应的定位件25760朝远离所述第一导轨杆275滑动，弹性件25765发生弹性变形，使定位件25760的卡块25761脱离对应的定位口2758，使每一助折组件24的两个第一导轨杆275也相互靠拢，使得折叠装置22呈折弯状态，柔性件30的可折弯区域31随折叠装置22弯折，直至第一框体21与第二框体23的背面贴接。
在对电子设备100的其他折弯方式中，还可以同时对第一框体21及第二框体23施加折弯的力，第一框体21及第二框体23分别带动第一连接铰节254和第二连接铰节257相对于朝远离柔性件30的一侧转动，并通过折叠装置22以实现电子设备100的折弯。
当需要展平电子设备100时，向外拉开第一框体21或第二框体23，使连接于第一框体21上的第一连接铰节254和第二框体23上的第二连接链节257朝相互远离的方向转动。具体地，对电子设备100的第一框体21及第二框体23至少其中一个施加向外拉开的力，使连接于第一框体21的第一连接铰节254和第二框体23上的第二连接铰节257朝相互远离的方向转动。如对第一框体21施加向外拉开的力，第一框体21带动第一连接铰节254沿第一虚拟轴L1朝向柔性件30的一侧转动，第一导轨杆275分别在第一连接铰节254的两个第一导滑槽2556内滑动，以抵推定位件25760朝远离对应的第一导轨杆275滑动，弹性件25765发生弹性变形，直至定位件25760的卡块25761卡入对应的定位口2758；同时，两个传动杆2621在第一连接铰节254的传动槽25514内滑动，由于每一助折组件24的两个传动件262通过联动机构28连接，当连接于第一连接铰节254与联动机构28之间的传动杆2621转动时，能带动对应的第一轴281转动，所述第一轴281通过联动件282带动另一侧的第一轴281转动，所述另一侧的第一轴281转动带动连接于第二连接铰节257与联动机构28之间的传动杆2621转动，使第二连接铰节257同步向远离第一连接铰节255转动，所述第二连接铰节257带动第二导轨杆277在第二滑槽2570内滑动，第二导轨杆277滑动地抵推对应的定位件25760朝远离所述第二导轨杆275滑动，弹性件25765发生弹性变形，直至定位件25760的卡块25761卡入对应的定位口2778，使每一助折组件24的两个第二导轨杆277也相互远离，直至折叠装置22呈展平状态。柔性件30的可折弯区域31随折叠装置22展平。
在对电子设备100的其他展平方式中，也可以仅对第二框体23施加向外拉开的力，第二框体23通过折叠装置22实现电子设备100的展平。
在对电子设备100的其他折弯方式中，还可以同时对第一框体21及第二框体23施加向外拉开的力，第一框体21及第二框体23分别带动对应的连接铰节及对应的支撑铰节253沿对应的第二连接轴265朝向柔性件30的一侧转动，以实现电子设备100的展平。
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 (20)

  1. 一种折叠装置，其特征在于，包括可折弯机构和传动机构，所述可折弯机构包括位于其中部的中部铰节及转动连接于所述中部铰节相对两侧的连接铰节；所述传动机构连接所述中部铰节与所述连接铰节，用于带动所述连接铰节相对所述中部铰节活动。
  2. 如权利要求1所述的折叠装置，其特征在于，还包括联动机构，所述联动机构连接于传动机构，当一侧的连接铰节转动时，带动同侧的传动机构转动，传动机构通过联动机构带动另一侧的传动机构转动，再带动另一侧的连接铰节转动。
  3. 如权利要求2所述的折叠装置，其特征在于，所述连接铰节相对中部铰节的活动包括相对中部铰节的转动和相对中部铰节的滑动，连接铰节相对中部铰节转动的同时相对中部铰节滑动。
  4. 如权利要求2所述的折叠装置，其特征在于，所述连接铰节绕虚拟轴相对中部铰节转动。
  5. 如权利要求2所述的折叠装置，其特征在于，所述连接铰节相对中部铰节活动时，传动机构相对连接铰节滑动。
  6. 如权利要求2所述的折叠装置，其特征在于，所述传动机构相对连接铰节的滑动包括第一滑动分量和第二滑动分量，第一滑动分量为背离或指向中部铰节的方向，第二滑动分量垂直于第一滑动分量。
  7. 如权利要求2所述的折叠装置，其特征在于，所述传动机构相对连接铰节的滑动轨迹为弧形。
  8. 如权利要求1所述的折叠装置，其特征在于，还包括连接于中部铰节与连接铰节之间的连接机构，连接机构在连接铰节相对中部铰节活动时相对连接铰节滑动。
  9. 如权利要求8所述的折叠装置，其特征在于，所述传动机构的一端转动连接于中部铰节，另一端滑动连接于连接铰节。
  10. 如权利要求8所述的折叠装置，其特征在于，所述连接机构的一端转动连接于中部铰节，另一端滑动连接于连接铰节。
  11. 如权利要求8所述的折叠装置，其特征在于，所述传动机构相对连接铰节的滑动轨迹不同于连接机构相对于连接铰节的滑动轨迹。
  12. 如权利要求8所述的折叠装置，其特征在于，所述传动机构绕第一轴转动连接于中部铰节，连接机构绕第二轴转动连接于中部铰节，第一轴与第二轴错开。
  13. 如权利要求12所述的折叠装置，其特征在于，所述第一轴为实体轴，第二轴为虚拟轴。
  14. 如权利要求12所述的折叠装置，其特征在于，所述中部铰节的一侧用于和柔性屏贴合，第二轴相对第一轴远离中部铰节用于贴合柔性屏的一侧。
  15. 如权利要求1所述的折叠装置，其特征在于，所述中部铰节连接有导轨块，所述连接机构包括转动连接于所述导轨块的导轨杆。
  16. 根据权利要求15所述的折叠装置，其特征在于，所述连接机构包括第一卡接部，所述中部铰节设有第一卡接配合部，所述第一卡接部位于所述导轨杆上，所述第一卡接配合部位于所述导轨块上。
  17. 如权利要求1所述的折叠装置，其特征在于，还包括遮挡机构，所述遮挡机构包括第一遮挡件和第二遮挡件，所述第一遮挡件至少覆盖所述中部铰节的第一部分，所述第二遮挡件至少覆盖所述中部铰节的第二部分。
  18. 如权利要求17所述的折叠装置，其特征在于，所述第一遮挡件绕第一虚拟轴转动，所述第一遮挡件绕第二虚拟轴转动，所述第一虚拟轴转动与所述第二虚拟轴平行间隔。
  19. 如权利要求18所述的折叠装置，其特征在于，所述第一虚拟轴位于所述第一遮挡件内；所述第二虚拟轴位于所述第二遮挡件内。
  20. 一种电子装置，特征在于，包括柔性件、壳体及根据权利要求1-19中任一项中所述折叠装置，所述壳体包括第一框体及第二框体，所述折叠装置设置于所述第一框体与所述第二框体之间，所述柔性件设置于所述壳体及所述折叠装置上，所述柔性件随所述折叠装置折弯或展平。
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CN202010595989.0A CN112399735A (zh) 2019-08-18 2020-06-24 折叠装置及电子设备
CN202021211030.4U CN213744464U (zh) 2019-07-15 2020-06-24 转动定位机构、折叠装置及电子设备
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US17/211,106 US20210307186A1 (en) 2019-07-15 2021-03-24 Foldable device and an electronic device
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PCT/CN2019/083255 WO2020029605A1 (zh) 2018-08-09 2019-04-18 可折叠设备及其制备方法
PCT/CN2019/094550 WO2021000286A1 (zh) 2019-07-03 2019-07-03 铰链、铰链装置及电子装置
CNPCT/CN2019/094550 2019-07-03
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PCT/CN2019/097328 WO2020029795A1 (zh) 2018-08-09 2019-07-23 可折叠设备
CNPCT/CN2019/097328 2019-07-23
CNPCT/CN2019/101260 2019-08-18
PCT/CN2019/101253 WO2021007907A1 (zh) 2019-07-15 2019-08-18 联动机构、折叠装置及电子设备
PCT/CN2019/101260 WO2021007914A1 (zh) 2019-07-15 2019-08-18 一种可弯折装置
CNPCT/CN2019/101253 2019-08-18
CNPCT/CN2019/103742 2019-08-30
PCT/CN2019/103742 WO2020211257A1 (zh) 2019-04-18 2019-08-30 覆盖机构、折叠装置及电子设备
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