WO2023071950A1 - 转轴机构和电子设备 - Google Patents

转轴机构和电子设备 Download PDF

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Publication number
WO2023071950A1
WO2023071950A1 PCT/CN2022/126839 CN2022126839W WO2023071950A1 WO 2023071950 A1 WO2023071950 A1 WO 2023071950A1 CN 2022126839 W CN2022126839 W CN 2022126839W WO 2023071950 A1 WO2023071950 A1 WO 2023071950A1
Authority
WO
WIPO (PCT)
Prior art keywords
door panel
connecting rod
main body
link
housing
Prior art date
Application number
PCT/CN2022/126839
Other languages
English (en)
French (fr)
Inventor
周腾飞
张志诚
詹强
花蕾蕾
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to KR1020247011963A priority Critical patent/KR20240064692A/ko
Publication of WO2023071950A1 publication Critical patent/WO2023071950A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details

Definitions

  • the present application relates to the technical field of electronic equipment, in particular to a rotating shaft mechanism and electronic equipment having the rotating shaft mechanism.
  • foldable screens are widely used in mobile terminals, such as foldable mobile phones, foldable tablets, etc.
  • foldable screens are mainly realized through the combination of flexible screens and hinge mechanisms.
  • the flexible screen may be damaged due to repeated folding of the flexible screen.
  • the folded part of the flexible screen needs to have a certain curvature deformation.
  • the uniformity of the curvature of the folded part of the flexible screen also has an important impact on prolonging its life.
  • the key to realize the curvature deformation of the folded part of the flexible screen and the uniformity of the curvature is the rotating shaft mechanism of the electronic device. Therefore, how to design the rotating shaft mechanism to improve the reliability of the flexible screen is an urgent problem to be solved at present.
  • the present application provides a hinge mechanism and an electronic device having the hinge mechanism, the main purpose of which is to provide a hinge mechanism whose length can change as the electronic device is folded and unfolded.
  • the present application provides a hinge mechanism, which can be applied to foldable electronic devices with flexible screens, for example, can be applied to foldable screen mobile phones, foldable screen tablet computers and other devices.
  • the rotating shaft mechanism includes a main body, a first door panel, a second door panel, an intermediate door panel, a first link assembly and a second link assembly, the first door panel, the second door panel and the intermediate door panel are located on the same side of the main body, and the first door panel and The second door panel is relatively arranged on both sides of the middle door panel, and the first link assembly and the second link assembly are oppositely arranged on both sides of the main body; the rotating shaft mechanism also includes a first meshing transmission structure and a second meshing transmission structure.
  • the first connecting rod assembly includes: a first housing connecting rod, a first gear connecting rod and a first auxiliary connecting rod; one end of the first gear connecting rod close to the main body is rotationally connected with the main body, and the end of the first gear connecting rod away from the main body
  • One end is slidingly connected with the connecting rod of the first housing, and the end of the first gear connecting rod close to the middle door panel is also meshed with the middle door panel through the first meshing transmission structure, and one end of the first door panel is rotationally connected with the connecting rod of the first housing, and the second
  • the other end of a door panel is rotatably connected to one end of the first secondary connecting rod, the other end of the first secondary connecting rod is rotatably connected to the main body, and the first secondary connecting rod is slidably connected to the middle door panel.
  • the second connecting rod assembly includes: a second casing connecting rod, a second gear connecting rod and a second secondary connecting rod; the end of the second gear connecting rod close to the main body is rotationally connected with the main body, and the end of the second gear connecting rod far away from the main body is connected with the main body
  • the connecting rod of the second housing is slidingly connected, and the end of the second gear connecting rod close to the middle door panel is also meshed with the middle door panel through the second meshing transmission structure.
  • One end of the second door panel is rotationally connected with the connecting rod of the second housing, and the second door panel
  • the other end of the second auxiliary connecting rod is rotationally connected with one end of the second auxiliary connecting rod
  • the other end of the second auxiliary connecting rod is rotationally connected with the main body
  • the second auxiliary connecting rod is slidingly connected with the middle door panel.
  • the first housing connecting rod drives the end of the first door panel close to the main body to move in a direction close to the main body
  • the second housing connecting rod drives the end of the second door panel close to the main body to move in a direction close to the main body.
  • the rotating shaft mechanism since the first door panel and the second door panel located on both sides of the middle door panel can rotate in opposite directions relative to the main body driven by the corresponding first housing link and the second housing link, In this way, when the flexible screen is arranged on the side away from the main body of the first door panel, the middle door panel and the second door panel, when the first door panel and the second door panel rotate relative to the main body, the folding of the electronic device can be realized. On the contrary, When the first door panel and the second door panel rotate away from the main body, the electronic equipment can be unfolded.
  • the middle door panel located between the first door panel and the second door panel can move relative to the main body.
  • the electronic device is flattened
  • the middle door panel moves closer to the main body.
  • the length dimension of the shaft mechanism can be increased, and the first door panel, the middle door panel and the second door panel will enclose the accommodation cavity close to the triangular structure, and the folding and close
  • the flexible screen part of the rotating shaft mechanism will be in the formed accommodation cavity without being squeezed, so the phenomenon that the flexible screen is damaged due to multiple folds and squeezes can be avoided.
  • the middle door panel moves away from the main body, so that the previously increased length of the rotating shaft mechanism can be shortened until it moves to the first
  • the door panel, the middle door panel and the second door panel are in the same plane, so as to support the flattened flexible screen.
  • the movement of the middle door panel here is achieved by the meshing transmission of the first gear connecting rod and the middle door panel, and the meshing transmission of the second gear connecting rod and the middle door panel.
  • the meshing transmission can be compared with the friction transmission. More precisely control the sinking and rising of the middle door panel, and then precisely control the length and dimension of the rotating shaft mechanism to form a suitable accommodation space for the folded flexible screen.
  • first gear connecting rod that drives the first casing connecting rod to rotate is meshed with the middle door panel
  • second gear connecting rod that drives the second casing connecting rod to rotate is also meshed with the middle door panel, so that the first casing
  • the body link, the first engaging link, the first secondary link, the second casing link, the second engaging link, the second secondary link, the first door panel, the second door panel and the middle door panel form a unified
  • the coordinated mechanical linkage mechanism can precisely control the length change of the rotating shaft mechanism, the position of the first door panel, the second door panel, and the movement of the middle door panel.
  • the first meshing transmission structure includes: a first gear formed on the end of the first gear connecting rod close to the middle door panel, and a first gear formed on the middle door panel and externally meshed with the first gear. rack; and/or, the second meshing transmission structure includes: a second gear formed on the end of the second gear connecting rod close to the middle door panel, and a second rack formed on the middle door panel and externally meshed with the second gear;
  • the rotation axis of the first gear is parallel to the rotation axis of the first gear connecting rod
  • the rotation axis of the second gear is parallel to the rotation axis of the second gear connecting rod
  • the extending direction of the first rack and the extending direction of the second rack The directions are all perpendicular to the length direction of the middle door panel.
  • the shaft mechanism further includes a first push screen structure; when the first gear connecting rod and the second gear connecting rod rotate away from each other, driving the first door panel and the second door panel to rotate away from each other, the second A pushing screen structure can apply a pushing force to the connecting rod of the first housing in a direction away from the connecting rod of the first gear.
  • the first push screen structure can apply a thrust away from the first gear connecting rod to the first housing connecting rod, and the housing carrying the flexible screen is relatively fixed to the first housing connecting rod, and then, the first pushing screen can The structure exerts a thrust on the first shell, so that, for example, when the first door panel, the middle door panel and the second door panel are on the same plane, the flexible screen set on the first shell can be stretched to eliminate the fold phenomenon of the flexible screen , improve the flatness of the flexible screen, and improve user experience.
  • the rotating shaft mechanism further includes a second screen pushing structure, and the second screen pushing structure is arranged between the second casing connecting rod and the second gear connecting rod; between the first gear connecting rod and the second gear connecting rod.
  • the two gear connecting rods rotate away from each other, driving the first door panel and the second door panel to rotate away from each other until the first door panel, the middle door panel and the second door panel are on the same plane, the second push screen structure can exert a distance away from the second housing connecting rod. Thrust in the direction of the second gear link.
  • the second push screen structure is the same as the first push screen structure, which can stretch the flexible screen, eliminate wrinkles, and improve user experience.
  • the first push screen structure includes: a mounting hole opened in the first gear connecting rod, and a support rod formed on the connecting rod of the first housing and capable of extending into the mounting hole ;
  • the first push screen structure also includes an elastic member, and one end of the elastic member is sleeved on the support rod; when the first door panel, the middle door panel and the second door panel are on the same plane, the support rod extends into the installation hole, and the elastic member The other end abuts against the mounting hole to exert elastic force on the first housing connecting rod in a direction away from the first gear connecting rod.
  • the elastic member when the first door panel and the second door panel are flattened, the distance between the connecting rod of the first casing and the connecting rod of the first gear is shortened, the elastic member is compressed, and is in the state of energy storage, and the elastic member can generate the force of the first casing.
  • the elastic force of the body connecting rod pushing outward because the first casing is fixedly connected with the connecting rod of the first casing and the flexible screen is attached to the first casing, can play the function of stretching the flexible screen and eliminating creases.
  • the connecting rod of the first housing is provided with an inlay groove
  • the first gear connecting rod is slidably arranged in the inlay groove
  • the support rod is arranged in the inlay groove
  • the extending direction of the support rod is the same as that of the first gear connecting rod.
  • the relative sliding structure between the first housing connecting rod and the first gear connecting rod, and the first push screen structure between the first housing connecting rod and the first gear connecting rod are centrally arranged, so that the rotating shaft structure The structure is more compact.
  • the rotating shaft mechanism further includes a guide structure for guiding the middle door panel to move relative to the main body in a direction perpendicular to the length direction of the middle door panel.
  • the guide structure is introduced to guide the up and down linear movement of the middle door panel relative to the main body.
  • the guide structure includes: a guide hole set in the main body and a guide block slidably arranged in the guide hole; the guide hole extends in a direction perpendicular to the length direction of the middle door panel; the guide block and The middle door panel is fixed.
  • the guide block and the middle door panel are relatively fixed, the guide hole is opened on the main body, and the middle door panel is guided to move linearly by the guide block sliding in the guide hole.
  • the guide block is arranged on the main body, and the guide hole is opened on the middle door panel. In a word, the linear movement of the middle door panel is guided by the sliding fit of the guide block and the guide hole.
  • the multiple guide structures there are multiple guide structures, some of the multiple guide structures are arranged along the length direction of the middle door panel, and the rest of the multiple guide structures are arranged along the width direction of the middle door panel.
  • the guide structure By setting the guide structure in multiple directions, it can further promote the balanced and stable linear movement of the middle door panel relative to the main body.
  • the rotating shaft mechanism further includes a first damping structure, and the first damping structure is arranged between the connecting rod of the first housing and the main body; the end of the first damping structure close to the connecting rod of the first housing is connected to the The connecting rod of the first casing is slidingly connected, and the end of the first damping structure close to the main body is rotationally connected with the main body; when the connecting rod of the first casing drives the first door panel to rotate relative to the main body, the first damping structure is used to connect the first casing The rod exerts resistance.
  • the first damping structure applies resistance to the connecting rod of the first casing, so that when the connecting rod of the first casing rotates relative to the main body, it can hover.
  • the first housing is fixedly connected to the connecting rod of the first housing, so that the hovering requirement during the folding process of the flexible screen can be met, and user experience can be improved.
  • the first damping structure includes: a first cam link, a first cam, a first damping pin and a first damping elastic member; the first damping pin is fixed on the main body, and the second The extension direction of a damping pin is consistent with the direction of the rotation axis of the first gear connecting rod relative to the main body; the first cam is slidingly arranged on the first damping pin; the end of the first cam connecting rod close to the main body is rotatably mounted on the first damping pin On the pin shaft, the end of the first cam link away from the main body is slidably connected to the first casing link, and the end of the first cam link close to the main body has a first damping surface and a second damping surface opposite to the first cam , the first cam has a third damping surface and a fourth damping surface; the first damping elastic member is sleeved on the first damping pin; the first housing connecting rod drives the first cam connecting rod to rotate until the first damping surface and the When
  • the first cam link includes: a cam part, a first link part and a second link part, the cam part is rotatably mounted on the first damping pin; the first link part and the second link part
  • the second connecting rod part is arranged in parallel, and one end of the first connecting rod part and one end of the second connecting rod part are connected with the cam part, and the other end of the first connecting rod part and the other end of the second connecting rod part are connected with the cam part.
  • the first housing link is slidably connected.
  • the rotating shaft mechanism further includes a second damping structure
  • the second damping structure includes: a second cam link, a second cam, a second damping pin, and a second damping elastic member; the second damping The pin shaft is fixed on the main body, and the extension direction of the second damping pin shaft is consistent with the extension direction of the first damping pin shaft; the second cam is slidably arranged on the second damping pin shaft, and the first cam and the second cam are connected , so that the first cam and the second cam move synchronously; one end of the second cam connecting rod close to the second cam is rotatably mounted on the second damping pin, and the other end is slidably connected with the second casing connecting rod.
  • the first casing and the second casing can be subjected to damping force at the same time when rotating, so that the flexible screen is hovering symmetrically Location.
  • the first gear connecting rod and the second gear connecting rod rotate away from each other, and when driving the first door panel and the second door panel to rotate away from each other to the first position, the first door panel, the middle door panel and the second door panel
  • the two door panels are on the same plane to form a supporting surface.
  • the first door panel, the middle door panel and the second door panel can be on the same plane to support the flattened flexible screen. Operate on the screen.
  • the first gear connecting rod and the second gear connecting rod rotate in opposite directions, and when driving the first door panel and the second door panel to rotate in opposite directions to the second position, the first door panel, the middle door panel and the second door panel The screen space of the siege.
  • the first position here can be understood as the position of the first door panel and the second door panel when the electronic device is in the closed state.
  • the first door panel and the second door panel can form a preset angle, and the middle door panel sinks to the preset angle. If the position is set, a triangular but open space can be formed between the three, and the bending part of the flexible screen is accommodated in this space.
  • the first connecting rod has opposite first and second surfaces; a first rotating shaft is provided on the first surface close to the first door panel, and the relative body of the first door panel A first rotary hole is provided on one side and close to the first secondary connecting rod, and the first rotary shaft rotates relative to the first rotary hole to realize the rotary connection between the first door panel and the first secondary connecting rod; the position of the first surface close to the main body A second rotating shaft is arranged at the position, and a second rotating hole is arranged at a position close to the first auxiliary connecting rod of the main body. The second rotating shaft rotates relative to the second rotating hole to realize the rotational connection between the main body and the first auxiliary connecting rod.
  • a track groove is opened on the second surface, and a sliding pin is provided at a position close to the first pair of connecting rods on the middle door panel. Sliding connection of connecting rods.
  • the side of the first door panel opposite to the main body has a first door panel arc-shaped protrusion extending toward the first housing connecting rod, and the first housing connecting rod is provided with an opening for assembling the first door panel.
  • the first arc-shaped locking groove of the arc-shaped protrusion, the first door panel arc-shaped protrusion slides relative to the first arc-shaped locking groove, so as to realize the rotational connection between the first door panel and the connecting rod of the first housing.
  • the present application also provides an electronic device, including a first housing and a second housing, a flexible screen, and the shaft mechanism in any implementation manner of the above-mentioned first aspect, wherein the first housing and the first The connecting rod of the housing is fixedly connected, and the connecting rod of the second housing is fixedly connected with the second housing; the first housing includes a first surface, the second housing includes a second surface, and the flexible screen continuously covers the second surface of the first housing.
  • the first surface, the rotating shaft mechanism and the second surface of the second casing, and the flexible screen is respectively fixedly connected with the first surface of the first casing and the second surface of the second casing.
  • the rotating shaft mechanism in the above first aspect since the rotating shaft mechanism in the above first aspect is included, when the first housing and the second housing move toward each other, not only the first door panel and the second door panel in the rotating shaft mechanism will produce During the rotation movement, at the same time, the middle door panel located between the first door panel and the second door panel will move toward the main body, so as to provide enough accommodation space for the flexible screen during folding and prevent the flexible screen from being crushed and deformed.
  • the middle door panel will move away from the main body until the first door panel, the middle door panel and the second door panel are in the same plane to support the flattening flexible screen.
  • the movement accuracy of the middle door panel can be improved by driving the middle door panel to move relative to the main body through the meshing transmission.
  • the flexible screen is composed of a first area, a second area, a third area, a fourth area and a fifth area arranged continuously; the first area is fixed to the first surface of the first housing Connection; the second area is fixedly connected to the surface of the first door panel facing the flexible screen; the third area is arranged opposite to the middle door panel, and the third area can move relative to the middle door panel; the fourth area is connected to the surface of the second door panel facing the flexible screen Fixedly connected; the fifth area is fixedly connected with the second surface of the second housing.
  • the hinge mechanism includes a decorative cover; when the electronic device is flattened, the decorative cover is hidden in the first housing and the second housing; when the electronic device is folded, the decorative cover is exposed on the first outside the casing and the second casing to fill the gap between the first casing and the second casing.
  • the first casing and the second casing are seamlessly closed, thereby improving the appearance of the display device .
  • the electronic device includes a mobile terminal, for example, it may be a foldable mobile phone, a foldable tablet, or a foldable e-book.
  • FIG. 1 is an exploded view of an electronic device provided in an embodiment of the present application when it is in a flattened state;
  • Fig. 2 is an exploded view of an electronic device provided in an embodiment of the present application when the flexible screen is removed when it is in a flattened state;
  • Fig. 3 is a back view of an electronic device provided in an embodiment of the present application when it is in a flattened state;
  • FIG. 4 is a structural diagram of an electronic device provided in an embodiment of the present application when it is in a flattened state
  • Fig. 5a is a structural diagram of an electronic device provided in an embodiment of the present application when it is in an intermediate state
  • Fig. 5b is a side view of an electronic device provided in an embodiment of the present application when it is in an intermediate state
  • FIG. 6 is a structural diagram of an electronic device provided in an embodiment of the present application when it is in a closed state
  • Fig. 7a is a schematic structural view of the outward-folding electronic device when it is in a flattened state
  • Fig. 7b is a schematic structural diagram of the fold-out electronic device when it is in a closed state
  • Fig. 8a is a schematic structural diagram of an inward-folding electronic device in a flattened state
  • Fig. 8b is a schematic structural diagram of the fold-in electronic device when it is in a closed state
  • Fig. 9a is a state diagram of the flexible screen and the rotating shaft mechanism when the electronic device provided by the embodiment of the present application is in a flattened state;
  • Fig. 9b is a state diagram of the flexible screen and the shaft mechanism when the electronic device provided by the embodiment of the present application is in a closed state;
  • FIG. 10 is a structural diagram of the rotating shaft mechanism when the electronic device is in a flattened state provided by the embodiment of the present application;
  • Fig. 11 is a structural diagram of the rotating shaft mechanism when the electronic device is in the closed state provided by the embodiment of the present application;
  • Fig. 12 is a partial structural diagram of the shaft mechanism provided by the embodiment of the present application after removing the first door panel;
  • Figure 13 is a simplified schematic diagram of the connection relationship between the first housing link, the first gear link, the first secondary link, the first meshing transmission structure, the main body, the first door panel and the middle door panel provided by the embodiment of the present application;
  • Fig. 14 is a diagram of the use state of the connection relationship between the first housing link, the first gear link, the first secondary link, the first meshing transmission structure, the main body, the first door panel and the middle door panel provided by the embodiment of the present application;
  • Fig. 15 is a simplified schematic diagram of the connection relationship between the second housing link, the second gear link, the second auxiliary link, the second meshing transmission structure, the main body, the second door panel and the middle door panel provided by the embodiment of the present application;
  • Fig. 16 is a diagram of the use state of the connection relationship between the second housing link, the second gear link, the second secondary link, the second meshing transmission structure, the main body, the second door panel and the middle door panel provided by the embodiment of the present application;
  • Fig. 17 is an exploded view of a partial structural view of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 18 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 19 is a structural diagram of the first gear connecting rod provided by the embodiment of the present application.
  • Fig. 20 is a structural diagram of the middle door panel provided by the embodiment of the present application.
  • Fig. 21 is an exploded view of the first gear connecting rod and the first housing connecting rod provided by the embodiment of the present application;
  • Fig. 22 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 23 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 24 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 25 is a structural diagram of the first secondary connecting rod provided by the embodiment of the present application.
  • Fig. 26 is a structural diagram of the first secondary connecting rod provided by the embodiment of the present application.
  • Figure 27 is an exploded view of the middle door panel and the main body provided by the embodiment of the present application.
  • Fig. 28 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 29 is a state diagram of the flexible screen provided by the embodiment of the present application when it has wrinkles
  • Fig. 30 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 31 is a simplified schematic diagram of the rotating shaft mechanism and the flexible screen provided by the embodiment of the present application.
  • Fig. 32 is a structural diagram of the first push screen structure provided by the embodiment of the present application.
  • Fig. 33 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Figure 34 is a schematic diagram of damping provided by the embodiment of the present application.
  • Fig. 35 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 36 is a diagram of the damping principle provided by the embodiment of the present application.
  • Figure 37 is an exploded view of the first cam link and the first cam provided by the embodiment of the present application.
  • Fig. 38 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Fig. 39 is a partial structural diagram of the rotating shaft mechanism provided by the embodiment of the present application.
  • Figure 40 is an exploded view of the electronic device provided by the embodiment of the present application.
  • Fig. 41 is a structural diagram of an electronic device provided in an embodiment of the present application when it is in a flattened state
  • FIG. 42 is a structural diagram of an electronic device provided in an embodiment of the present application when it is in a closed state.
  • 100-rotating shaft mechanism 200-first housing; 201-first surface; 202-third surface; 300-second housing; 301-second surface; 302-fourth surface; 400-flexible screen;
  • 15-first connecting rod assembly 151-first housing connecting rod; 151a-slider; 151b-inlaid groove; 151c-first arc-shaped slot; Abutting surface; 151e2-second abutting surface; 152-first gear connecting rod; 152a-chute; 152b-installation hole; 1521-sliding part; 1522-rotating part; The first rotating shaft; 153b-the second rotating shaft; 153c-track groove;
  • 16-second connecting rod assembly 161-second housing connecting rod; 161a-slider; 162-second gear connecting rod; 162a-chute; 163-second auxiliary connecting rod;
  • 301-first damping structure 301a-first cam link; 301a1-cam part; 301a2-first link part; 301a3-second link part; 301a4-slider; 301b-first cam; A damping pin; 301d-the first damping elastic member;
  • 302-second damping structure 302a-second cam link; 302b-second cam; 302c-second damping pin; 302d-second damping elastic member;
  • Foldable electronic devices may include various electronic devices that have a flexible screen and can change the unfolded or folded configuration of the flexible screen and itself. Under different usage requirements, the foldable electronic device can be unfolded to a flat state, can also be folded to a closed state, and can also be in an intermediate state between the flat state and the closed state. That is to say, a foldable electronic device has at least two states, namely, a flattened state and a closed state. In some cases, it may further include a third state, that is, an intermediate state between the flattened state and the closed state. It can be understood that the intermediate state is not the only state, and may be any one or more states between the flattened state and the closed state of the electronic device.
  • foldable electronic devices may be, but not limited to, mobile phones, tablet computers, notebook computers, e-book readers, cameras, wearable devices, home electronic devices, and the like.
  • a foldable electronic device is described by taking a mobile phone as an example.
  • FIG. 1 is an exploded view of a foldable electronic device provided by an embodiment of the present application
  • FIG. 2 is an exploded view of the foldable electronic device provided by an embodiment of the present application without the flexible screen 400
  • the foldable electronic device may include a hinge mechanism 100 , a first housing 200 , a second housing 300 and a flexible screen 400 .
  • first housing 200 and the second housing 300 are arranged on both sides of the rotating shaft mechanism 100 and are connected to the rotating shaft mechanism 100 respectively, and the rotating shaft mechanism 100 can move so that the first housing 200 and the second housing 300 are folded relative to each other. or relatively expanded.
  • the first housing 200 and/or the second housing 300 can respectively form an installation space for installing electronic components such as a circuit board, a battery, a receiver, a speaker, and a camera of an electronic device.
  • the circuit board can integrate electronic components such as the main controller, storage unit, antenna module, and power management module of the electronic device
  • the battery can provide power for electronic components such as the flexible screen 400, circuit board, receiver, speaker, and camera.
  • the first casing 200 and the second casing 300 may have equal thicknesses or unequal thicknesses, which is not limited in this embodiment of the present application.
  • both the first casing 200 and the second casing 300 may be provided with installation spaces, and the electronic components of the above-mentioned electronic equipment are distributed in the casings on both sides.
  • an installation space may only be provided in the first casing 200, and the electronic components of the above-mentioned electronic equipment are concentrated and distributed in the first casing 200; or, the first casing 200 and the second casing
  • Both housings 300 can be provided with installation space, but most of the components and parts of the above-mentioned electronic equipment are arranged in the first housing 200, and a small part is arranged in the second housing 300, making the second housing 300 lighter , so that it can be folded and unfolded more conveniently.
  • FIG. 3 is a schematic diagram of a back structure of a foldable electronic device provided by an embodiment of the present application.
  • the first housing 200 has a first surface 201 and a third surface 202 opposite to the first surface 201
  • the second housing 300 has a second surface 301 and a third surface 202 opposite to the second surface 301.
  • the fourth surface 302 is provided.
  • the first surface 201 of the first housing 200 and the second surface 301 of the second housing 300 can be jointly used to support the flexible screen 400
  • the third surface 202 of the first housing 200 and the second surface 300 of the second housing 300 The fourth surface 302 can be used as an appearance surface of the electronic device.
  • a display screen can also be provided on the third surface 202 of the first housing 200 and the fourth surface 302 of the second housing 300, and the display screen can be a flexible screen or The non-flexible screen is not specifically limited here.
  • FIG. 4 is a schematic structural diagram of an electronic device in which the first housing 200 and the second housing 300 are relatively unfolded to a flattened state.
  • first housing 200 and the second housing 300 are in a flattened state
  • the first surface 201 of the first housing 200 and the surface of the second housing 300 The second surface 301 is on the same plane, and the angle between the first surface 201 and the second surface 301 can be approximately 180° at this time (it is also allowed to have a certain angle tolerance, the angle between the first surface 201 and the second surface 301
  • the included angle is, for example, 165°, 177° or 185°).
  • the flexible screen 400 continuously covers the first surface 201 of the first casing 200 , the hinge mechanism 100 and the second surface 301 of the second casing 300 of the foldable electronic device.
  • the flexible screen 400 can be divided into continuous regions A, B, C, D and E, wherein the regions B, C and D include bent parts when folded.
  • Area A corresponds to the first surface 201 of the first housing 200, which can be fixedly connected to the first surface 201 of the first housing 200
  • area E corresponds to the second surface 301 of the second housing 300, which can be fixedly connected on the second surface 301 of the second housing 300 .
  • the boundaries of areas B, C, and D shown in the figure are only exemplary, and the boundaries of areas B, C, and D can be adjusted according to the specific design of the rotating shaft mechanism 100 .
  • FIG. 5 a shows a schematic structural diagram of an electronic device in which the first casing 200 and the second casing 300 are relatively rotated (expanded or folded) to an intermediate state.
  • FIG. 5b shows a side view of the electronic device in which the first housing 200 and the second housing 300 are rotated (expanded or folded) to an intermediate state.
  • the flexible screen 400 is omitted in order to illustrate the shape of the two housings in the intermediate state.
  • the electronic device can be in any state between the flattened state and the closed state.
  • the angle between the first surface 201 of the first housing 200 and the second surface 301 of the second housing 300 can be, for example, It is 130° ⁇ 150°.
  • FIG. 6 is a schematic structural view of the electronic device in which the first casing 200 and the second casing 300 are folded relative to each other to a closed state. 1 and 6 together, when the first housing 200 and the second housing 300 are in a closed state, the first surface 201 of the first housing 200 and the second surface 301 of the second housing 300 face each other Or away from each other (specifically related to the folding method), at this time there may be a slight angle between the first surface 201 of the first casing 200 and the second surface 301 of the second casing 300 or they may be parallel to each other so that the two casings can Fully closed (A certain angle tolerance is also allowed).
  • the flexible screen 400 can be used to display information and provide an interactive interface for the user.
  • the flexible display 400 can be, but not limited to, an organic light-emitting diode (OLED) display, an active matrix Organic light-emitting diode or active-matrix organic light-emitting diode (active-matrix organic light-emitting diode, AMOLED) display, mini organic light-emitting diode (mini organic light-emitting diode) display, micro light-emitting diode (micro organic light-emitting diode) emitting diode) display, micro organic light-emitting diode (micro organic light-emitting diode) display, quantum dot light emitting diodes (quantum dot light emitting diodes, QLED) display, etc.
  • OLED organic light-emitting diode
  • AMOLED active matrix organic light-emitting diode
  • mini organic light-emitting diode mini organic light-emitting diode
  • the electronic device can switch between the flattened state and the closed state through the movement of the hinge mechanism 100 , and the flexible screen 400 can be folded or unfolded along with the first casing 200 and the second casing 300 .
  • the folding methods of foldable electronic devices are divided into outward folding and inward folding, wherein the outward folding refers to the process of converting the electronic device from the flattened state to the closed state and when the electronic device is in the closed state,
  • the flexible screen 400 is located outside the electronic device, that is, the flexible screen 400 is still visible to the user during the folding process and in the closed state, and the user can perform some operations on the flexible screen 400 in the closed state.
  • FIG. 7a is a schematic structural view of the fold-out electronic device in a flattened state
  • FIG. 7b is a schematic structural view of the fold-out electronic device in a closed state.
  • the flexible screen 400 is located outside the electronic device.
  • the inward-folding type means that the flexible screen 400 is located inside the electronic device when the electronic device is converted from the flattened state to the closed state and when the electronic device is in the closed state, that is, the flexible screen 400 is gradually folded during the folding process. Invisible to the user, until the closed state, the flexible screen 400 will be housed between the two housings and completely hidden. That is, as mentioned above, the first surface 201 of the first housing 200 and the second surface 301 of the second housing 300 can move toward each other, and when the first housing 200 and the second housing 300 are in the closed state , the first surface 2001 of the first housing 200 and the second surface 3001 of the second housing 300 face each other. 8a and 8b may be referred to together. FIG.
  • FIG. 8a is a schematic structural view of the fold-in electronic device in a flattened state
  • FIG. 8b is a schematic structural view of the fold-in electronic device in a closed state.
  • the flexible screen 400 is located inside the electronic device. It can be understood that the flexible screen 400 will be folded in half during the folding process of the inward-folding electronic device (that is, the process from FIG. 8a to FIG. 8b ), and the maximum bending degree that the flexible screen 400 can bear is limited. Therefore, there is a corresponding critical radius of curvature R (or range of critical radius of curvature).
  • the flexible screen 400 will easily break and cannot continue. use.
  • the radius of curvature at the bending position is greater than the critical radius of curvature
  • the radius of curvature of the rotating shaft mechanism 100 of the electronic device is too small, problems such as wrinkles, creases, and dislocation of internal layers of the flexible screen will be caused. Therefore, The design of the rotating shaft mechanism 100 of the inward-folding electronic device needs to increase the radius of curvature at the bending position of the flexible screen 400 as much as possible, thereby reducing the extrusion of the flexible screen 400 .
  • the embodiment of the present application provides a foldable electronic device and a shaft mechanism suitable for the electronic device, aiming at improving the portability of the electronic device , it can also provide a large accommodation space for the flexible screen 400 during the folding process and in the closed state, so as to increase the curvature radius at the bending position of the flexible screen 400, thereby reducing the risk of the flexible screen 400 being crushed and damaged.
  • Fig. 9a and Fig. 9b show simple schematic diagrams of the rotating shaft mechanism 100 provided by the present application in two different states.
  • Fig. 9a shows a state diagram of the flexible screen 400 and the shaft mechanism 100 when the electronic device is in a flat state
  • Fig. 9b shows a state diagram of the flexible screen 400 and the shaft mechanism 100 when the electronic device is in a closed state .
  • the rotating shaft mechanism 100 provided in the present application includes a first door panel 12, a second door panel 13 and an intermediate door panel 11, and the first door panel 12 and the second door panel 13 are arranged on opposite sides of the intermediate door panel 11.
  • the side, that is, the middle door panel 11 is sandwiched between the first door panel 12 and the second door panel 13 .
  • the rotating shaft mechanism 100 also includes a main body 14 , and the first door panel 12 , the middle door panel 11 and the second door panel 13 are on the same side of the main body 14 . It can be understood that, as shown in Fig.
  • the first door panel 12 has opposite surfaces A1 and B1
  • the second door panel 13 has opposite surfaces A2 and B2
  • the middle door panel 11 has opposite surfaces A3 and B3.
  • A1, A2, and A3 are on the same side
  • B1, B2, and B3 are on the same side.
  • the main body 14 is arranged on the side of the B1 surface, the B2 surface and the B3 surface
  • the flexible screen 400 is arranged on the side of the A1 surface, the A2 surface and the A3 surface.
  • the first door panel 12 can rotate relative to the main body 14
  • the second door panel 13 can also rotate relative to the main body 14
  • the rotation direction of the first door panel 12 is opposite to that of the second door panel 13
  • the first door panel 12 and the second door panel 13 that rotate oppositely can include two states, the first one is that when the electronic device is folded, the first door panel 12 and the second door panel 13 rotate toward each other (or be called relative); When the electronic device is unfolded, the first door panel 12 and the second door panel 13 rotate away from each other.
  • the middle door panel 11 can move toward the main body 14 or move away from the main body 14 .
  • the flexible screen 400 continuously covers the first casing 200 , the hinge mechanism 100 and the second casing 300 of the foldable electronic device.
  • area A corresponds to the first surface 2001 of the first housing 200, which can be fixedly connected to the first surface 201 of the first housing 200
  • area E corresponds to the second surface 301 of the second housing 300, which can be It is fixedly connected to the second surface 3001 of the second casing 300 .
  • Area B is fixedly connected to the first door panel 12 of the rotating shaft mechanism
  • area D is fixedly connected to the second door panel 13 of the rotating shaft mechanism
  • area C is opposite to the middle door panel 11, and area C can move relative to the middle door panel 11.
  • the first door panel 12 , the middle door panel 11 and the second door panel 13 are in the same plane and are used to support the flattened flexible screen 400 .
  • the electronic device changes from the flattened state to the closed state, as shown in Figures 9a to 9b, the first door panel 12 rotates in the direction of rotation P1 relative to the main body 14, and the second door panel 13 rotates in the direction P2 opposite to the direction of P1 relative to the main body 14. direction to turn.
  • the ends of the first door panel 12 and the second door panel 13 away from the main body 14 are close to each other, and the ends of the first door panel 12 and the second door panel 13 close to the main body 14 are far away from each other, so that the flexible screen 400 is located between the first door panel 12 and the second door panel 12. Bending between two door panels 13. And, in the process that the first door panel 12 and the second door panel 13 approach each other relative to the main body 14, the middle door panel 11 moves close to the main body 14 along the P3 direction shown in FIG. From D1 in Fig. 9a to D2 in Fig. 9b.
  • the first door panel 12 , the middle door panel 11 and the second door panel 13 form a nearly triangular receiving cavity, and the flexible screen 400 is accommodated in the triangular receiving cavity and may be in a drop-like shape. It can be understood that, through the movement of the middle door panel 11 towards the main body 14, a large enough accommodation space can be avoided for the flexible screen 400, so as to increase the radius of curvature at the bending position of the flexible screen 400 and reduce the damage of the flexible screen 400 by extrusion. risks of.
  • FIGS. Turn in the opposite direction to the P2 direction. That is, the first door panel 12 and the second door panel 13 face away from each other, so that the flexible screen 400 is unfolded.
  • the middle door panel 11 moves away from the main body 14 in the direction opposite to the direction P3 shown in FIG. 9b until the first door panel 12, The middle door panel 11 and the second door panel 13 move to be located in the same plane to support the flattened flexible screen 400 .
  • the rotating shaft mechanism 100 provided in the present application, not only the first door panel 12 and the second The two door panels 13 can rotate relative to the main body 14, and the middle door panel 11 can also be raised and lowered relative to the main body 14, so that the length of the rotating shaft mechanism 100 can be changed. That is, when the flexible screen 400 is folded, the length of the rotating shaft mechanism 100 can be elongated to allow more accommodation space for the flexible screen 400, increase the radius of curvature at the bending position of the flexible screen 400, and avoid damage to the rotating shaft mechanism.
  • the flexible screen 400 portion of 100 is squeezed.
  • the length of the hinge mechanism 100 can be shortened. That is to say, the hinge mechanism 100 can make the length of the flexible screen 400 basically unchanged when the flexible screen 400 is at any angle during the folding process, that is, it will not be squeezed or stretched.
  • Figure 10 and Figure 11 show a possible structure of a rotating shaft mechanism 100
  • Figure 10 is a structural diagram of the rotating shaft mechanism 100 when the electronic device is in a flat state
  • Figure 11 is a structure diagram of the rotating shaft mechanism 100 when the electronic device is in a closed state picture.
  • the rotating shaft mechanism 100 together, in addition to the first door panel 12, the second door panel 13, the middle door panel 11 and the main body 14, the rotating shaft mechanism 100 also includes a first link assembly 15 and a second link assembly 16.
  • a connecting rod assembly 15 and a second connecting rod assembly 16 are disposed on opposite sides of the main body 14 , that is, the first connecting rod assembly 15 is arranged close to the first door panel 12 , and the second connecting rod assembly 16 is arranged close to the second door panel 13 .
  • Fig. 12 is a partial structural view of the shaft mechanism 100 after the first door panel 12 is removed.
  • the first linkage assembly 15 includes a first housing linkage 151, a first gear linkage 152, and a first secondary linkage. Rod 153.
  • the rotating shaft mechanism 100 also includes a first meshing transmission structure 17 .
  • Figure 13 shows a simplified schematic diagram of the connection relationship between the first housing connecting rod 151, the first gear connecting rod 152, the first secondary connecting rod 153, the first meshing transmission structure 17, the main body 14, the first door panel 12 and the middle door panel 11 .
  • the end of the first gear connecting rod 152 close to the main body 14 is rotationally connected with the main body 14
  • the end of the first gear connecting rod 152 away from the main body 14 is slidingly connected with the first housing connecting rod 151
  • the first gear connecting rod 152 is close to the middle door panel.
  • One end of 11 is meshed with the middle door panel 11 through the first meshing transmission structure 17, one end of the first door panel 12 is rotationally connected with the first casing link 151, and the other end of the first door panel 12 is connected with one end of the first secondary link 153.
  • Rotationally connected the other end of the first secondary link 153 is rotatably connected to the main body 14 , and the first secondary link 153 is slidably connected to the middle door panel 11 .
  • the black solid line shows one of the positions of the first gear connecting rod 152, the first housing connecting rod 151, the first secondary connecting rod 153, the first door panel 12 and the middle door panel 11, and the black dotted line shows the first position.
  • the sliding connection can Constrain the movement position of the end of the first door panel 12 close to the main body 14. For example, as shown in FIG. , driving the first secondary connecting rod 153 to rotate, which can constrain the end of the first door panel 12 close to the main body 14 to rotate from the C1 position to the C2 position.
  • the middle door panel 11 sinks relative to the main body 14 (that is, moves from the position of the black solid line to the position of the black dotted line), which can constrain the end of the first door panel 12 away from the main body 14 from D1 position turns to D2 position.
  • the second gear can be precisely controlled. A moving position of the door panel 12.
  • the first secondary connecting rod 153 is slidingly connected to the middle door panel 11, the first secondary connecting rod 153 is also rotationally connected to the first door panel 12.
  • the moving position of the middle door panel 11 can be aligned with that of the first door panel 12.
  • the rotation position of the rotating shaft mechanism 100 can be precisely controlled, for example, when the electronic device is folded, the size of the formed screen space can be precisely controlled to reserve a suitable space for the flexible screen.
  • the end of the first gear connecting rod 152 close to the middle door panel 11 is engaged with the middle door panel 11 through the first meshing transmission structure 17 . That is to say, when the first gear connecting rod 152 rotates relative to the main body 14 , it can drive the middle door panel 11 to move relative to the main body 14 through the first meshing transmission structure 17 .
  • the above-mentioned technical means of realizing the movement of the middle door panel 11 through the meshing transmission structure can reduce the movement resistance of the middle door panel 11, improve the stability of the movement of the middle door panel 11, and improve the movement accuracy of the middle door panel 11 compared with the friction transmission; , when the first gear link 152 rotates relative to the main body 14, the middle door panel 11 can quickly respond, that is, move relatively quickly to the main body 14; Folding quickly reduces the reliability of the rotating shaft mechanism 100 . Therefore, using the meshing transmission structure to drive the middle door panel 11 to move will effectively improve the performance of the electronic equipment.
  • FIG. 15 shows the structure of the second link assembly 16 .
  • the second link assembly 16 disposed close to the second door panel 13 also includes a second housing link 161 , a second gear link 162 , and a second auxiliary link 163 .
  • the rotating shaft mechanism 100 also includes a second meshing transmission structure 18 .
  • one end of the second gear link 162 close to the main body 14 is rotatably connected to the main body 14, and one end of the second gear link 162 away from the main body 14 is connected to the second shell
  • the body connecting rod 161 is slidingly connected, the end of the second gear connecting rod 162 close to the middle door panel 11 is meshed and connected with the middle door panel 11 through the second meshing transmission structure 18, and one end of the second door panel 13 is rotationally connected with the second housing connecting rod 161,
  • the other end of the second door panel 13 is rotatably connected to one end of the second secondary link 163 , the other end of the second secondary link 163 is rotatably connected to the main body 14 , and the second secondary link 163 is slidably connected to the middle door panel 11 .
  • Fig. 16 shows that when the electronic device is folded, when the hinge mechanism 100 is in two different states, the second gear link 162, the second housing link 161, the second secondary link 163, the second door panel 13 and the position where the middle door panel 11 is located.
  • the second link assembly 16 and the second meshing transmission structure 18 drive the second door panel 13 to rotate, and the mechanism of driving the middle door panel 11 to move is the same as the above-mentioned first link assembly 15 and the first meshing transmission structure shown in Figure 14 17 drives the first door panel 12 to rotate, and the mechanism of driving the middle door panel 11 to move is the same, and will not be repeated here.
  • the first link assembly 15 and the second link assembly 16 can be arranged symmetrically with respect to the main body 14, and the first meshing transmission The structure 17 and the second meshing transmission structure 18 are arranged symmetrically about the main body 14 .
  • the above-mentioned first gear connecting rod 152 rotates with respect to the main body 14, and the rotation axis of the second gear connecting rod 162 relative to the main body 14 can be parallel to the rotation axis; the rotation axis of the first door panel 12 relative to the first housing link 151 can be parallel to the rotation axis of the second door panel 13 relative to the second housing link 152 .
  • the first housing link 151 may include one or more, and the first gear link 152 may also include one or more.
  • Fig. 17 is an exploded view of a part of the structure of the rotating shaft mechanism 100.
  • a first housing link 151 and a first gear The rotating shaft mechanism 100 of the connecting rod 152 .
  • multiple first gear connecting rods 152 can be slidably connected to one first housing connecting rod 151; or, When there are multiple first housing linkages 151 and multiple first gear linkages 152 , the multiple first housing linkages 151 and the multiple first gear linkages 152 can be slidably connected one-to-one.
  • the first web link 153 may include one or more.
  • there are two first secondary connecting rods 153 and the two first secondary connecting rods 153 may be arranged at intervals along the length direction of the main body 14 (such as the S direction in FIG. 17 ).
  • the structure that can be realized by the first meshing transmission structure 17 will be introduced below.
  • the realizable structure of the second meshing transmission structure 18 reference can be made to the description of the first meshing transmission structure 17.
  • the realizable structure of the second meshing transmission structure 18 can be the same as that of the first meshing transmission structure 17, or can be different.
  • the first meshing transmission structure 17 has many optional implementations. At least two different first meshing transmission structures 17 are given below.
  • FIG. 18 shows a possible structure of one of the first meshing transmission structures 17
  • FIG. 18 is a cross-sectional view of a partial structure of the rotating shaft mechanism 100
  • the first meshing transmission structure 17 includes a first gear 171 and a first rack 172 meshing with the first gear 171 .
  • the first gear 171 is disposed at one end of the first gear connecting rod 152 close to the middle door panel 11
  • the first rack 172 is formed on the middle door panel 11 .
  • the axis of rotation of the first gear 171 is parallel to the axis of rotation of the first gear connecting rod 152, for example, can extend along the length direction of the middle door panel 11 (direction S as shown in Figure 18), and the first rack
  • the extending direction of 172 may be perpendicular to the middle door panel 11 , that is, perpendicular to the length direction S of the middle door panel 11 .
  • the working process of the first meshing transmission structure 17 driving the middle door panel 11 to move is as follows:
  • the rotating first gear 171 drives the first rack 172 to move along the direction L1, so that the middle door panel 11 moves toward the main body 14.
  • the rotating first gear 171 drives the first rack 172 to move in the direction opposite to the direction of L1. , so that the middle door panel 11 moves away from the main body 14 .
  • FIG. 19 shows a realizable structural diagram of the first gear 171.
  • the first gear 171 and the first gear connecting rod 152 are integrally formed, or in other embodiments, the first gear 171 is connected to the first gear through a connecting member (such as a bolt).
  • the connecting rod 152 is fixedly connected.
  • the first gear 171 shown in FIG. 19 is a complete gear structure with a circular cross section. In other embodiments, it may also be a partial structure cut from the complete gear structure as shown in FIG. 19 .
  • Figure 20 shows a realizable structural diagram of the first rack 172.
  • the first rack 172 can be integrally formed with the middle door panel 11 as shown in Figure 20, or through
  • the connecting piece (for example, a bolt) is fixedly connected to the middle door panel 11 , or is fixedly connected to the middle door panel 11 by adhesive.
  • the first meshing transmission structure 17 can also adopt the following structure.
  • the first meshing transmission structure 17 can also include a first driven gear in addition to the first gear 171 and the first rack 172 shown in FIG. 17 .
  • the first gear 171 is externally meshed with the first driven gear
  • the first driven gear is also externally meshed with the first rack 172 .
  • more gear structures may be included, for example, a second driven gear may also be included, and the second driven gear is coaxially arranged with the first driven gear, and the first gear 171 is externally meshed with the first driven gear.
  • the second driven gear is externally meshed with the first rack 172 .
  • connection structures among the first door panel 12 , the first housing link 151 , the first gear link 152 , the first auxiliary link 153 and the main body 14 will be specifically described below.
  • the sliding connection between the first casing connecting rod 151 and the first gear connecting rod 152 has various realization structures, and two different sliding connecting structures are given below. Of course, in addition to this, other sliding connection structures can also be used.
  • FIG. 21 shows a sliding connection relationship
  • FIG. 21 shows an exploded view of the first housing connecting rod 151 and the first gear connecting rod 152 matched therewith.
  • a sliding groove 152a is formed on the first gear connecting rod 152
  • a sliding block 151a is formed on the first casing connecting rod 151.
  • the sliding block 151a is assembled in the sliding groove 152a, and can move along the sliding groove 152a sliding, so as to realize the sliding connection between the first housing link 151 and the first gear link 152 .
  • the first gear connecting rod 152 is provided with two slide slots 152 a symmetrically arranged on both sides.
  • the first housing connecting rod 151 is provided with two sliding blocks 151a, and the two sliding slots 152a are connected with the two sliding blocks 151a in a one-to-one sliding fit.
  • an inserting groove 151b can be provided on the first housing connecting rod 151 , the first gear connecting rod 152 is fitted in the inserting groove 151b , and the slider 151a is disposed on the wall of the inserting groove 151b.
  • the first casing connecting rod 151 located in the fitting groove 151b can be slidably connected with the first gear connecting rod 152 through the matching sliding block 151a and the sliding groove 152a.
  • Example 2 a slider can be set on the first gear connecting rod 152, a chute can be provided on the first housing connecting rod 151, the sliding block on the first gear connecting rod 152 and the sliding block on the first housing connecting rod 151 The grooves cooperate to realize the sliding between the first casing connecting rod 151 and the first gear connecting rod 152 . That is to say, in Example 2, compared with Example 1, the setting positions of the slider and the chute can be exchanged to achieve the same sliding connection effect, so you can refer to Example 1 to set the structure of the chute and the slider, and will not repeat them here.
  • the sliding connection structure between the second gear connecting rod 162 and the second casing connecting rod 161 can refer to the above-mentioned sliding connecting structure between the first casing connecting rod 151 and the first gear connecting rod 152 , of course, other structures can also be selected to realize the rotation.
  • the structure of the first gear link 152 is varied.
  • the first gear connecting rod 152 includes a sliding part 1521 that is slidably connected with the first housing connecting rod 151 , and a rotating part 1522 that is rotatably connected with the main body 14 .
  • the first gear 171 for meshing with the first rack 172 may be formed on the rotating part 1522 .
  • the structure of the second gear connecting rod 162 also has various structures.
  • the second gear connecting rod 162 can adopt the same structure as the first gear connecting rod 152 . That is, it also includes an integral rotating part and a sliding part.
  • FIG. 22 shows a structural diagram of a rotational connection between the first door panel 12 and the first casing link 151
  • FIG. 22 is a partial structural diagram of the rotating shaft mechanism 100 according to the embodiment of the present application.
  • the surface of the first door panel 12 facing away from the flexible screen 400 has a first door panel arc-shaped protrusion 12a extending toward the first housing connecting rod 151, and the first housing connecting rod 151 is provided with a first arc-shaped latch.
  • the arc-shaped protrusion of the first door panel is assembled in the first arc-shaped locking groove 151c, and can rotate relative to the first arc-shaped locking groove 151c, so as to realize the rotational connection between the first door panel 12 and the first housing connecting rod 151 .
  • the setting positions of the first arc-shaped slot and the first door-plate arc-shaped protrusion can be exchanged, that is, the first door-plate arc-shaped protrusion is arranged on the first housing connecting rod 151, and the first arc-shaped draw-in slot is opened.
  • the relative rotation between the first door panel 12 and the first housing link 151 can be realized.
  • the first arc-shaped locking groove 151c may be a quarter arc groove, a third arc groove, or the like.
  • the first door panel arc protrusion 12a may be a quarter arc protrusion, a third arc protrusion or the like.
  • the rotational connection structure between the second door panel 13 and the second housing link 161 can refer to the above-mentioned rotational connection between the first door panel 12 and the first housing link 151 .
  • the second door panel 13 and the second housing link 161 are also rotatably matched with the arc-shaped projection and the arc-shaped draw groove to realize their relative rotation.
  • the rotational connection between the first door panel 12 and the first secondary link 153 also has various realization structures.
  • Figure 23 shows a structural diagram of the rotational connection between the first door panel 12 and the first secondary link 153
  • Figure 23 is a partial structural diagram of the rotating shaft mechanism 100 of the embodiment of the present application, in Figure 23, the first On the surface of a door panel 12 away from the flexible screen 400 and at a position close to the first secondary connecting rod 153, a first rotating hole 12b is provided. 12 opposite ends.
  • the first secondary connecting rod 153 is formed with a first rotating shaft 153a that can be rotatably arranged in the first rotating hole 12b.
  • the first door panel 12 and the first auxiliary connection are realized.
  • Rotary connection of rod 153 For another example, the first rotating shaft is arranged on the first door panel 12 , and the first rotating hole is opened on the first secondary connecting rod 153 .
  • the rotation of the first door panel 12 and the first secondary connecting rod 153 is realized through the rotational cooperation of the arc block and the arc groove.
  • the rotational connection between the second door panel 13 and the second secondary connecting rod 163 can refer to the above-mentioned rotational connection structure between the first door panel 12 and the first secondary connecting rod 153 , which will not be repeated here.
  • the sliding connection structure between the first secondary connecting rod 153 and the middle door panel 11 can adopt the connection method shown in Figure 23.
  • the first secondary connecting rod 153 is provided with a track groove 153c
  • the middle door panel 11 is provided with a track groove 153c that can be moved along the track.
  • sliding slide pin 11a Fig. 23 only shows an embodiment of a sliding connection, which does not constitute an absolute limitation on the sliding connection structure.
  • the rotational connection structure between the first secondary link 153 and the main body 14 also has multiple implementations.
  • a second rotating shaft 153b is provided on the first secondary connecting rod 153 near the main body 14, and a second rotating hole for fitting the second rotating shaft 153b is opened on the main body 14, and the second rotating shaft 153b rotates It is arranged in the second rotation hole to realize the rotation connection between the first auxiliary connecting rod 153 and the main body 14 .
  • the rotational connection between the first secondary connecting rod 153 and the main body 14 can be realized through the rotational cooperation between the arc groove and the arc protrusion.
  • FIG. 25 shows a structural diagram of the first secondary connecting rod 153
  • FIG. 26 shows a structural diagram of the first secondary connecting rod 153 from another angle.
  • the first auxiliary connecting rod 153 has a first surface F1 and a second surface F2 opposite to each other
  • the second rotating shaft 153b and the first rotating shaft 153a are both disposed on the first surface F1
  • the track groove 153c is defined on the second surface F2.
  • the track groove 153 can be a through groove penetrating the first surface F1 and the second surface F2 , or a blind groove not penetrating the first surface F1 and the second surface F2 as shown in FIG. 25 and FIG. 26 .
  • the rotational connection between the second door panel 13 and the second secondary link 163, the rotary connection between the second secondary link 163 and the main body 14, and the sliding connection between the second secondary link 163 and the middle door panel 11 can refer to the above-mentioned first door panel 12.
  • the rotational connection structure with the first secondary link 153 and referring to the rotational connection between the first secondary link 153 and the main body 14 , and the sliding connection structure between the first secondary link 153 and the middle door panel 11 will not be repeated here.
  • the rotating shaft mechanism 100 also includes a guide structure 19 , that is, when the middle door panel 11 is driven to move by the meshing transmission structure, the middle door panel 11 can be guided to move linearly by the guide structure 19 .
  • FIG. 27 shows one possible structure of a guide structure 19
  • FIG. 27 shows an exploded view of the main body 14 and the middle door panel 11
  • the main body 14 is provided with a guide groove 14b
  • the side of the middle door panel 11 is formed with a guide post 11b.
  • the extension direction of the guide groove 14b is perpendicular to the length direction of the middle door panel 11, and the guide post 11b is slidably arranged in the guide groove 14b.
  • the guide groove 14b and the guide column 11b can be exchanged for setting positions, that is, the guide groove is provided on the middle door panel 11, and the guide column is formed on the main body 14, so that the guiding function can also be realized.
  • one guide structure 19 may be provided, or multiple guide structures 19 may be provided as shown in FIG. 27 and FIG. 28 .
  • two of the guide structures are arranged along the length direction of the middle door panel 11 (direction S in FIG. 28 ), and the other guide structure 19 is arranged along the width direction of the middle door panel 11 (direction L in FIG. 28 ).
  • the stability of the linear movement of the middle door panel 11 can be further enhanced by arranging the guide structures 19 at multiple different positions.
  • the flexible screen 400 when the electronic device is in a flattened state, because the flexible screen 400 has a flexible feature, it may have wrinkles and bends, and cannot be in a flattened state.
  • structural parts such as the first door panel 12, the middle door panel 11, the second door panel 13, the first housing 200, and the second housing 300 have assembly clearances during assembly.
  • first door panel 12, the middle door panel 11, the second door panel 13, the first housing 200 and the second housing 300 can be on the same plane, as shown in Figure 29, the first door panel 12 and the There may be a gap d between the adjacent first shells 200, and/or between the second door panel 12 and the adjacent second shell 300, so that the flexible screen 400 will have the gap d Wrinkles occur at the position, reducing the flatness of the flexible screen 400, especially when the operating position of the flexible screen 100 is just at the gap position, which will obviously reduce the user experience.
  • the hinge mechanism 100 of the present application also includes a push screen structure.
  • a first push screen structure 201 may be provided at a position where the first casing link 151 and the first gear link 152 cooperate.
  • Fig. 31 shows the push screen principle of the first push screen structure 201 involved in this application.
  • Thrust F because the first casing link 151 is fixedly connected with the first casing 200, if a thrust F is applied to the first casing link 151 away from the direction of the first gear link 152, that is, it will give the first casing body 200 exerts a thrust F in a direction away from the first door panel 12, then, when the electronic device is in a flattened state, a thrust will be generated on the part of the flexible screen 400 fixedly connected to the first housing 200, and then the flexible screen can be stretched apart. , Eliminate creases and improve user experience.
  • FIG. 32 shows a structure that can be realized by the first push screen structure 201.
  • the first push screen structure 201 exerts elastic force on the first housing link 151 through the first gear link 152 to eliminate the folding of the flexible screen.
  • the first push screen structure 201 includes: a mounting hole 152b opened on the first gear connecting rod 152, and a mounting hole 152b formed on the first casing connecting rod 151 and capable of extending into the mounting hole 152b.
  • the first push screen structure 201 also includes an elastic member 201a, and one end of the elastic member 201a is sleeved on the support rod 151d.
  • the elastic member 201a here may be a spring, or other retractable members.
  • the first gear connecting rod 152 and the second gear connecting rod 162 move away from each other, and the first gear connecting rod 152 rotating relative to the main body 14 drives the first housing connecting rod 151 to move
  • the support rod 151d that moves together with the connecting rod 151 of the first case can extend into the installation hole 152d, so that the end of the elastic member 201a abuts against the installation hole 152d, and is in an energy storage state, thereby connecting the first case
  • the rod 151 exerts elastic thrust in a direction away from the first gear link 152 .
  • the screen pushing process of the first screen pushing structure 201 shown in FIG. 32 can be understood in this way.
  • the first gear connecting rod 152 can pass through the first screen pushing structure 201 to the first housing connecting rod.
  • 151 applies elastic force to eliminate the folds of the flexible screen.
  • the electronic device is in the middle state or close to the flattened state, it can also apply elastic force to the first housing link 151. In this way, the flexible screen can Lays flat under thrust, reducing wrinkling.
  • first gear connecting rod 152 and the first housing connecting rod 151 In the connection relationship between the first gear connecting rod 152 and the first housing connecting rod 151, it is described that the first gear connecting rod 152 and the first housing connecting rod 151 are connected by sliding fit, and the first gear connecting rod 152 A first push screen structure 201 needs to be provided at the matching position with the first housing link 151. In order to simplify the structure and simplify the assembly process, the first gear link 152 and the first housing link 151 can be slidably connected.
  • the structure and the first push screen structure 201 are integrated, as shown in Figure 32, the support rod 151d is set in the inlay groove 151b, the first gear connecting rod 152 is slidably arranged in the inlay groove 151b, and the extension direction of the support rod 151d is in line with the The relative sliding direction of the first gear connecting rod 152 and the first housing connecting rod 151 is the same, and the installation hole 152d is opened on the surface of the first gear connecting rod 152 opposite to the supporting rod 151d.
  • the connection structure can be obviously simplified, and these structures can avoid occupying more space or complicating the assembly process.
  • the rotating shaft mechanism 100 of the present application can also be provided with a second push screen structure 202 , and the second push screen structure 202 is set at the position where the second gear link 162 and the second housing link 161 cooperate.
  • the second push screen structure 202 may adopt the first push screen structure shown in FIG. 32 .
  • first push screen structure 201 and the second push screen structure 202 can be arranged symmetrically with respect to the main body 14 to improve the flatness of the entire flexible screen.
  • the hinge mechanism provided in this application also includes a damping structure.
  • a damping structure For example, when the electronic device is in the flattened state, it is necessary to apply a flattening force to the first casing 200 and the second casing 300 carrying the flexible screen 400 through the damping structure, so that the flexible screen 400 remains in the flattened state; another example , when the electronic device is in the closed state, it is necessary to apply a closing force to the first casing 200 and the second casing 300 through the damping structure, so that the flexible screen 400 remains in the closed state.
  • the damping structure provided in this application includes a first damping structure 301 and a second damping structure 302, wherein the first damping structure 301 is used to apply damping to the first housing 200, and the second damping structure 302 is used to apply damping to the second housing 200.
  • 300 applies damping
  • the first damping structure 301 is taken as an example to explain its components
  • the second damping structure 302 can refer to the design of the first damping structure 301 .
  • the first damping structure 301 can be arranged between the first casing link 151 and the main body 14, and when the first casing link 151 drives the first door panel 12 to rotate relative to the main body 14, the first The damping structure 301 is used to apply resistance to the first casing link 151, and because the first casing 200 carrying the flexible screen 400 is relatively fixed to the first casing link 151, then when the first damping structure 301 provides the first When the housing link 151 exerts resistance, the first housing 200 carrying the flexible screen 400 will hover at a certain position.
  • Fig. 33 shows a structural diagram of a first damping structure 301, the specific structure is shown in Fig. 33, the first damping structure 301 includes a first cam link 301a, a first cam 301b, a first damping pin 301c and a first damping Elastic member 301d; wherein, the first damping pin 301c is fixed on the main body 14, and the extension direction of the first damping pin 301c is consistent with the direction of the rotation axis of the first gear connecting rod 152 relative to the main body 14, and the first cam 301b slides Set on the first damping pin shaft 301c, the end of the first cam link 301a close to the main body 14 is rotatably mounted on the first damping pin shaft 301c, and the end of the first cam link 301a away from the main body 14 is connected with the first housing link 151 is slidingly connected, and the first damping elastic member 301d is sleeved on the first damping pin 301c.
  • the first cam link 301 a can be driven to rotate relative to the main body 14 through the sliding connection between the first cam link 301 a and the first casing link 151 .
  • Fig. 34 shows the structural diagram of the damping principle of the first damping structure 301 in Fig. 33, wherein, as shown in Fig. 34, the end of the first cam link 301a close to the first cam 301b has a first cam 301b opposite to the first cam 301b.
  • a damping surface A1 and a second damping surface A2 the first cam 301b has a third damping surface B1 and a fourth damping surface B2 opposite to the first cam link 301a.
  • FIG. 35 shows the structural diagram of the first damping structure 301 when the electronic device is in the closed state
  • FIG. 36 shows the structural diagram of the damping principle of the first damping structure 301 when the electronic device is in the closed state.
  • the first housing link 151 drives the first cam link 301a to rotate to the second position
  • the second damping surface A2 contacts the fourth damping surface B2
  • the first damping elastic member 301d is in the energy storage state. state, thereby generating a pressing force f2 on the first cam link 301a, and the pressing force f2 can cause the first cam link 301a to generate the closing force f21 shown in FIG.
  • a housing link 151 is slidingly fitted, so the first housing link 151 will be subjected to the closing force f21 exerted by the first cam link 301a, and the first housing link 151 will move to the second cam link 151 under the action of the closing force f21.
  • a housing 200 generates a closing force, which can finally keep the flexible screen in a hovering closed state.
  • Fig. 37 shows a possible structure of the first cam link 301a
  • Fig. 37 shows an exploded view of the first cam link 301a and the first cam 301b.
  • the first cam link 301a includes a cam portion 301a1, a first link portion 301a2, and a second link portion 301a3.
  • the cam portion 301a1 is rotatably mounted on the first damping pin shaft 301d, the first damping surface A1 and the second damping surface A2 are formed on the surface of the cam portion 301a1 facing the first cam 301b, and Yes, the first link part 301a2 and the second link part 301a3 are arranged in parallel, and one end of the first link part 301a2 and one end of the second link part 301a3 are connected to the cam part 301a1, and the first link part 301a2 The other end of the second link part 301a3 and the other end of the second link part 301a3 are both slidably connected to the first housing link 151 .
  • the casing link 151 exerts an active force, so that the flexible screen can be stably at the hovering position.
  • Sliders 301a4 are formed at the ends of the rods 151. As shown in FIG. Two contact surfaces 151e2.
  • the cam part 301a1, the first link part 301a2, the second link part 301a3, and the slider 301a4 can be formed through an integral molding process, or through a connecting piece
  • the cam part 301a1 , the first link part 301a2 , the second link part 301a3 , and the slider 301a4 can be connected together by threaded connectors or glue.
  • FIG. 39 shows a partial structural diagram of the rotating shaft mechanism 100 including the first damping structure 301 and the second damping structure 302 .
  • the second damping structure 302 is similar to the first damping structure 301, and also includes a second cam link 302a, a second cam 302b, a second damping pin 302c and a second damping elastic member 302d; wherein, the second damping pin 302c is also fixed on the main body 14 like the first damping pin 301c, and the extension direction of the second damping pin 302c is consistent with the extension direction of the first damping pin 301c, and the second cam 302b is slidably arranged on the second damping pin 302c, the end of the second cam link 302a close to the main body 14 is rotatably mounted on the second damping pin 302c, and the end of the second cam link 302a away from the main body 14 is slidably connected with the second casing link 161, and the second damper
  • the elastic member 302d is
  • the damping principle of the second damping structure 302 shown in FIG. 39 may follow the above-mentioned damping principle of the first damping structure 301 , which will not be repeated here.
  • first cam 301b in the first damping structure 301 and the second cam 302b of the second damping structure 302 can be connected, for example, they can be connected through the connecting rod 303 in FIG. 39 .
  • the damping symmetry of the first shell 200 and the second shell 300 can be realized.
  • first cam 301b, the second cam 302b, and the connecting rod 303 can be formed through an integral molding process.
  • other connection structures can also be used for connection.
  • each damping pin The shafts are provided with damping elastic parts.
  • damping elastic parts By setting a plurality of damping pins, the connected first cam 301b and second cam 302b can be promoted to move in a balanced and stable manner.
  • each damping pin is provided with a damping elastic member, further, a relatively large extrusion force can be applied to the first cam link 301a and the second cam link 301a, so that the flexible screen 400 is stably in the hovering position. , to improve the opening and closing experience in the middle state.
  • FIG. 40 shows an exploded view of an electronic device.
  • the electronic device provided in this application also includes a decorative cover 21 on which the main body 14 of the above-mentioned rotating shaft mechanism 100 is fixed.
  • Figure 41 and Figure 42 Figure 41 shows the structural diagram of the electronic device when it is in the flattened state
  • Figure 42 shows the structural diagram of the electronic device when it is in the closed state, combined with Figure 41 and Figure 42 , when the first housing 200 and the second housing 300 are unfolded, the end surface of the first housing 200 is close to the end surface of the second housing 300, and the rotating shaft mechanism 100 including the decorative cover 21 is hidden between the first housing 200 and the second housing 300.
  • the hinge mechanism 100 cannot be seen from the appearance of the electronic device, which will improve the appearance of the mobile terminal.
  • the decorative cover 21 of the hinge mechanism 100 is exposed, filling the gap between the first housing 200 and the second housing 300, thus It also guarantees the aesthetic appearance of the electronic equipment. That is, no matter whether the electronic device is in a closed state or in a flattened state, the internal structure is hidden, and the entire structure has a complete appearance and a good aesthetic.

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Abstract

一种转轴机构(100)和电子设备,涉及可折叠屏的电子设备技术领域;随着柔性屏(400)的折叠,转轴机构(100)的长度能够发生变化,用以提升电子设备的使用性能。转轴机构(100)包括主体(14)、第一门板(12)、第二门板(13)和中间门板(11),以及第一连杆组件(15)和第二连杆组件(16);其中,第一连杆组件(15)包括第一壳体连杆(151)、第一齿轮连杆(152)、第一副连杆(153);转轴机构(100)还包括第一啮合传动结构(17),第一壳体连杆(151)、第一齿轮连杆(152)、第一副连杆(153)、第一门板(12)和主体(14)形成曲柄滑块结构,以带动第一门板(12)相对主体(14)转动,第一齿轮连杆(152)通过第一啮合传动结构(17)带动中间门板(11)相对主体(14)移动。

Description

转轴机构和电子设备
本申请要求于2021年10月26日提交国家知识产权局、申请号为202111249416.3、发明名称为“转轴机构和电子设备”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子设备技术领域,尤其涉及一种转轴机构以及具有该转轴机构的电子设备。
背景技术
目前,可折叠屏被广泛的应用在移动终端中,比如折叠手机、折叠平板等,在诸如这些移动终端中,可折叠屏主要是通过柔性屏和转轴机构相结合来实现。在移动终端的使用过程中,由于柔性屏的反复折叠,有可能会导致柔性屏损坏。
为了延长柔性屏的寿命,提高可折叠的电子设备的可靠性,柔性屏的折叠部分需要具有一定的曲率变形。另外,柔性屏的折叠部分的各处曲率的均匀性也对延长其寿命有着重要的影响。而实现柔性屏的折叠部分的曲率变形以及各处曲率的均匀性的关键就在于电子设备的转轴机构。因此,如何设计转轴机构以提高柔性屏的可靠性是当前亟待解决的问题。
发明内容
本申请提供一种转轴机构以及具有该转轴机构的电子设备,主要目的提供一种随着电子设备的折叠和展开,长度能够发生变化的转轴机构。
为达到上述目的,本申请的实施例采用如下技术方案:
第一方面,本申请提供了一种转轴机构,该转轴机构可以被应用在具有柔性屏的可折叠电子设备中,比如,可以被应用在折叠屏手机、折叠屏平板电脑等设备中。
该转轴机构包括主体、第一门板、第二门板、中间门板、第一连杆组件和第二连杆组件,第一门板、第二门板和中间门板位于主体的同一侧,且第一门板和第二门板相对设置在中间门板的两侧,第一连杆组件和第二连杆组件相对设置在主体的两侧;该转轴机构还包括第一啮合传动结构和第二啮合传动结构。
其中,第一连杆组件包括:第一壳体连杆、第一齿轮连杆和第一副连杆;第一齿轮连杆靠近主体的一端与主体转动连接,第一齿轮连杆远离主体的一端与第一壳体连杆滑动连接,第一齿轮连杆靠近中间门板的一端还通过第一啮合传动结构与中间门板啮合连接,第一门板的一端与第一壳体连杆转动连接,第一门板的另一端与第一副连杆的一端转动连接,第一副连杆的另一端与主体转动连接,且第一副连杆与中间门板滑动连接。第二连杆组件包括:第二壳体连杆、第二齿轮连杆和第二副连杆;第二齿 轮连杆靠近主体的一端与主体转动连接,第二齿轮连杆远离主体的一端与第二壳体连杆滑动连接,第二齿轮连杆靠近中间门板的一端还通过第二啮合传动结构与中间门板啮合连接,第二门板的一端与第二壳体连杆转动连接,第二门板的另一端与第二副连杆的一端转动连接,第二副连杆的另一端与主体转动连接,且第二副连杆与中间门板滑动连接。
第一齿轮连杆和第二齿轮连杆相向转动时,通过啮合连接的第一齿轮连杆和中间门板,以及啮合连接的第二齿轮连杆和中间门板,带动中间门板朝靠近主体的方向移动,且第一壳体连杆带动第一门板的靠近主体的一端沿远离主体的方向运动,第二壳体连杆带动第二门板的靠近主体的一端沿远离主体的方向运动;
第一齿轮连杆和第二齿轮连杆相背离转动时,通过啮合连接的第一齿轮连杆和中间门板,以及啮合连接的第二齿轮连杆和中间门板,带动中间门板朝远离主体的方向移动,且第一壳体连杆带动第一门板的靠近主体的一端沿靠近主体的方向运动,第二壳体连杆带动第二门板的靠近主体的一端沿靠近主体的方向运动。
本申请给出的转轴机构中,由于位于中间门板两侧的第一门板和第二门板可以在相对应的第一壳体连杆和第二壳体连杆的带动下相对主体反向转动,这样,将柔性屏设置在第一门板、中间门板和第二门板的背离主体的一侧时,当第一门板和第二门板相对主体相向转动时,就可以实现电子设备的折叠,相反的,当第一门板和第二门板相对主体相背离转动时,可以实现电子设备的展开。
另外,在本申请给出的转轴机构中,位于第一门板和第二门板之间的中间门板是可以相对主体移动的,当第一门板和第二门板相向转动时,即电子设备由展平状态朝闭合状态切换时,中间门板靠近主体移动,这样的话,可以增长该转轴机构的长度尺寸,并且第一门板、中间门板和第二门板会围城接近三角形结构的容纳腔,折叠中的且靠近转轴机构的柔性屏部分会处于形成的容纳腔内,而不会被挤压,因此,可以避免柔性屏因为多次折叠挤压而损坏的现象。当第一门板和第二门板相背离转动时,即电子设备由闭合状态朝展平状态转动时,中间门板远离主体移动,这样可以将之前增长的转轴机构的长度进行缩短,直至移动至第一门板、中间门板和第二门板处于同一平面内,从而用于支撑展平的柔性屏。
除此之外,这里的中间门板的移动是采用第一齿轮连杆与中间门板的啮合传动,以及第二齿轮连杆与中间门板的啮合传动实现,如此设计,啮合传动相比摩擦传动,可以比较精准的控制中间门板的下沉和上升,进而精准的控制转轴机构的长度尺寸,为折叠的柔性屏围成合适的容纳空间。
还有,在本申请的转轴机构中,通过引入第一副连杆和第二副连杆,以及采用中间门板与第一副连杆,以及中间门板与第二副连杆的滑动配合,可以比较精准的控制第一门板和第二门板的转动位置。再加上带动第一壳体连杆转动的第一齿轮连杆又与中间门板啮合连接,带动第二壳体连杆转动的第二齿轮连杆也与中间门板啮合连接,从而使得第一壳体连杆、第一啮合连杆、第一副连杆、第二壳体连杆、第二啮合连杆、第二副连杆、第一门板、第二门板和中间门板形成一个统一的、协调的机械联动机构,比较精准的控制转轴机构的长度变化、第一门板和第二门板,以及中间门板运动的位置。
在第一方面可能的实现方式中,第一啮合传动结构包括:形成在第一齿轮连杆靠近中间门板的一端的第一齿轮,和形成在中间门板上且与第一齿轮外啮合的第一齿条;和/或,第二啮合传动结构包括:形成在第二齿轮连杆靠近中间门板的一端的第二齿轮,和形成在中间门板上且与第二齿轮外啮合的第二齿条;其中,第一齿轮的旋转轴线与第一齿轮连杆的旋转轴线平行,第二齿轮的旋转轴线与第二齿轮连杆的旋转轴线平行,第一齿条的延伸方向和第二齿条的延伸方向均与中间门板的长度方向相垂直。
也就是说,通过齿轮与齿条的传动配合,实现了中间门板相对主体的的上下移动,该种啮合传动结构的结构简单,占用空间小,传动也比较稳定。
在第一方面可能的实现方式中,转轴机构还包括第一推屏结构;在第一齿轮连杆和第二齿轮连杆相背离转动,带动第一门板和第二门板相背离转动时,第一推屏结构能够对第一壳体连杆施加远离第一齿轮连杆方向的推力。
由于第一推屏结构可以对第一壳体连杆施加远离第一齿轮连杆的推力,并且承载有柔性屏的壳体与第一壳体连杆相对固定,进而,可以通过第一推屏结构对第一壳体施加推力,这样的话,比如,当第一门板、中间门板和第二门板处于同一平面时,可以将设置在第一壳体上的柔性屏撑开,消除柔性屏褶皱现象,提升柔性屏的平整度,提高用户体验度。
在第一方面可能的实现方式中,转轴机构还包括第二推屏结构,第二推屏结构设置在第二壳体连杆和第二齿轮连杆之间;在第一齿轮连杆和第二齿轮连杆相背离转动,带动第一门板和第二门板相背离转动至第一门板、中间门板和第二门板处于同一平面时,第二推屏结构能够对第二壳体连杆施加远离第二齿轮连杆方向的推力。
第二推屏结构和第一推屏结构一样,可以将柔性屏撑开,消除褶皱现象,提高用户体验度。
在第一方面可能的实现方式中,第一推屏结构包括:开设在第一齿轮连杆内的安装孔,和形成在第一壳体连杆上的且能够伸入安装孔内的支撑杆;第一推屏结构还包括弹性件,且弹性件的一端套设在支撑杆上;在第一门板、中间门板和第二门板处于同一平面时,支撑杆伸入安装孔内,且弹性件的另一端与安装孔抵接,以对第一壳体连杆施加远离第一齿轮连杆方向的弹力。
也就是说,当第一门板和第二门板展平时,第一壳体连杆与第一齿轮连杆间的距离缩短,弹性件被压缩,处于蓄能状态,弹性件能够产生将第一壳体连杆向外推的弹力,由于第一壳体与第一壳体连杆固连且柔性屏贴于第一壳体上,可起到将柔性屏撑开、消除折痕的功能。
在第一方面可能的实现方式中,第一壳体连杆上开设有镶嵌槽,第一齿轮连杆滑动设置在镶嵌槽内,支撑杆设置在镶嵌槽内,且支撑杆的延伸方向与第一齿轮连杆和第一壳体连杆相对滑动的方向一致,安装孔开设在第一齿轮连杆的与支撑杆相对的面上。
这样的话,就是将第一壳体连杆与第一齿轮连杆的相对滑动结构,以及第一壳体连杆和第一齿轮连杆之间的第一推屏结构集中设置,使得该转轴结构的结构更加紧凑。
在第一方面可能的实现方式中,转轴机构还包括导向结构,导向结构用于引导中间门板相对主体沿与中间门板的长度方向相垂直的方向移动。
通过引入导向结构,以引导中间门板相对主体的上下直线运动。
在第一方面可能的实现方式中,导向结构包括:开设在主体内的导向孔和滑动设置在导向孔内的导向块;导向孔沿与中间门板的长度方向相垂直的方向延伸;导向块与中间门板固定。
在上述技术方案中,导向块与中间门板相对固定,导向孔开设在主体上,通过导向块在导向孔内滑动引导中间门板直线移动。可以理解的,在其他实施方式中,将导向块设置在主体上,导向孔开设在中间门板上。总之,通过导向块与导向孔的滑动配合引导中间门板的直线运动。
在第一方面可能的实现方式中,导向结构具有多个,多个导向结构中的部分导向结构沿中间门板的长度方向布设,多个导向结构中的其余导向结构沿中间门板的宽度方向布设。
通过多方位设置导向结构,可以进一步促使中间门板平衡、稳定的相对主体直线运动。
在第一方面可能的实现方式中,转轴机构还包括第一阻尼结构,第一阻尼结构设置在第一壳体连杆和主体之间;第一阻尼结构靠近第一壳体连杆的一端与第一壳体连杆滑动连接,第一阻尼结构靠近主体的一端与主体转动连接;在第一壳体连杆带动第一门板相对主体转动时,第一阻尼结构用于给第一壳体连杆施加阻力。
可以这样讲,当第一壳体转动时,通过第一阻尼结构给第一壳体连杆施加阻力,可以使得第一壳体连杆相对主体转动时,可以悬停,又因为承载有柔性屏的第一壳体与第一壳体连杆固定连接,从而,可以满足柔性屏折叠过程中的悬停需求,提高用户体验度。
在第一方面可能的实现方式中,第一阻尼结构包括:第一凸轮连杆、第一凸轮、第一阻尼销轴和第一阻尼弹性件;第一阻尼销轴固定在主体上,且第一阻尼销轴的延伸方向与第一齿轮连杆相对主体的旋转轴线的方向一致;第一凸轮滑动设置在第一阻尼销轴上;第一凸轮连杆靠近主体的一端转动安装在第一阻尼销轴上,第一凸轮连杆远离主体的一端与第一壳体连杆滑动连接,且第一凸轮连杆的靠近主体的一端具有与第一凸轮相对的第一阻尼面和第二阻尼面,第一凸轮具有第三阻尼面和第四阻尼面;第一阻尼弹性件套设在第一阻尼销轴上;第一壳体连杆带动第一凸轮连杆转动至第一阻尼面与第三阻尼面抵接时,第一阻尼弹性件处于蓄能状态,以对第一凸轮连杆产生使得第一门板展平的力;在第一壳体连杆带动第一凸轮连杆转动至第二阻尼面与第四阻尼面抵接时,第一阻尼弹性件处于蓄能状态,对第一凸轮连杆产生使得第一门板闭合的力。
在第一方面可能的实现方式中,第一凸轮连杆包括:凸轮部、第一连杆部和第二连杆部,凸轮部转动安装在第一阻尼销轴上;第一连杆部和第二连杆部相平行布设,且第一连杆部的一端和第二连杆部的一端均与凸轮部连接,第一连杆部的另一端和第二连杆部的另一端均与第一壳体连杆滑动连接。
在第一方面可能的实现方式中,转轴机构还包括第二阻尼结构,第二阻尼结构包括:第二凸轮连杆、第二凸轮、第二阻尼销轴和第二阻尼弹性件;第二阻尼销轴固定在主体上,且第二阻尼销轴的延伸方向与第一阻尼销轴的延伸方向一致;第二凸轮滑 动设置在第二阻尼销轴上,且第一凸轮和第二凸轮相连接,使得第一凸轮和第二凸轮同步移动;第二凸轮连杆靠近第二凸轮的一端转动安装在第二阻尼销轴上,另一端与第二壳体连杆滑动连接。
通过将第二阻尼结构的第二凸轮与第一阻尼结构的第一凸轮相连接,可以使得第一壳体和第二壳体转动时,同时受到阻尼力,以使得柔性屏对称的处于悬停位置。
在第一方面可能的实现方式中,第一齿轮连杆和第二齿轮连杆相背离转动,带动第一门板和第二门板相背离转动至第一位置时,第一门板、中间门板和第二门板处于同一平面以形成支撑面。
也就是说,在第一齿轮连杆和第二齿轮连杆的带动下,第一门板、中间门板和第二门板可以处于同一平面,以支撑展平的柔性屏,用户可以在展平的柔性屏上进行操作。
在第一方面可能的实现方式中,第一齿轮连杆和第二齿轮连杆相向转动,带动第一门板和第二门板相向转动至第二位置时,第一门板、中间门板和第二门板围城容屏空间。这里的第一位置可以理解为电子设备处于闭合状态时第一门板和第二门板所处的位置,此时,第一门板和第二门板可以形成预设夹角,同时中间门板下沉至预设位置,三者之间可以形成一个类似三角形但开放式的空间,柔性屏的弯折部分被容纳在该空间中。
可以这样讲,当第一齿轮连杆和第二齿轮连杆相向转动至电子设备处于闭合状态,转轴机构的长度尺寸增长,以增加柔性屏的曲率半径,避免柔性屏被挤压。
在第一方面可能的实现方式中,第一幅连杆具有相对的第一面和第二面;第一面的靠近第一门板的位置处设置有第一转轴,第一门板的相对主体的一面且靠近第一副连杆的位置处设置有第一转孔,第一转轴相对第一转孔转动,实现第一门板和第一副连杆的转动连接;第一面的靠近主体的位置处设置有第二转轴,主体的靠近第一副连杆的位置处设置有第二转孔,第二转轴相对第二转孔转动,实现主体和第一副连杆的转动连接。
在第一方面可能的实现方式中,第二面上开设有轨迹槽,中间门板的靠近第一副连杆的位置处设置有滑动销,滑动销相对轨迹槽滑动,实现中间门板和第一副连杆的滑动连接。
在第一方面可能的实现方式中,第一门板的相对主体的一面具有朝第一壳体连杆延伸的第一门板弧形凸块,第一壳体连杆上开设有用于装配第一门板弧形凸块的第一弧形卡槽,第一门板弧形凸块相对第一弧形卡槽滑动,实现第一门板和第一壳体连杆的转动连接。
第二方面,本申请还提供了一种电子设备,包括第一壳体和第二壳体、柔性屏和上述第一方面任一实现方式中的转轴机构,其中,第一壳体与第一壳体连杆固定连接,第二壳体与第二壳体连杆固定连接;第一壳体包括第一表面,第二壳体包括第二表面,柔性屏连续覆盖于第一壳体的第一表面、转轴机构以及第二壳体的第二表面,且柔性屏分别与第一壳体的第一表面和第二壳体的第二表面固定连接。
本申请给出的电子设备中,由于包含了上述第一方面中的转轴机构,那么,当第一壳体和第二壳体相向运动,不仅转轴机构中的第一门板和第二门板会产生旋转运动, 同时,位于第一门板和第二门板之间的中间门板会朝主体运动,为折叠中的柔性屏避让出足够的容纳空间,防止柔性屏挤压变形。相反的,当第一壳体和第二壳体相背离运动,带动柔性屏展平时,中间门板会远离主体移动,直至第一门板、中间门板和第二门板处于同一平面内,以支撑展平的柔性屏。
还有,通过啮合传动带动中间门板相对主体移动,可以提升中间门板的运动精度。
在第二方面可能的实现方式中,柔性屏由连续设置的第一区域、第二区域、第三区域、第四区域和第五区域组成;第一区域与第一壳体的第一表面固定连接;第二区域与第一门板的朝向柔性屏的表面固定连接;第三区域与中间门板相对设置,且第三区域能够相对中间门板移动;第四区域与第二门板的朝向柔性屏的表面固定连接;第五区域与第二壳体的第二表面固定连接。
在第二方面可能的实现方式中,转轴机构包括装饰盖;在电子设备展平时,装饰盖被隐藏在第一壳体和第二壳体内;在电子设备折叠时,装饰盖被暴露在第一壳体和第二壳体外,以弥补第一壳体和第二壳体之间的缝隙。
也就是说,不论该电子设备处于折叠状态,还是处于展平状态时,从电子设备的外观看,第一壳体和第二壳体均是无缝闭合,进而提升该显示设备的外观美度。
在第二方面可能的实现方式中,电子设备包括移动终端,比如,可以是折叠手机、折叠平板、折叠电子书等。
附图说明
图1为本申请实施例提供的一种电子设备处于展平状态时的爆炸图;
图2为本申请实施例提供的一种电子设备处于展平状态时去掉柔性屏后的爆炸图;
图3为本申请实施例提供的一种电子设备处于展平状态时的背面结构图;
图4为本申请实施例提供的一种电子设备处于展平状态时的结构图;
图5a为本申请实施例提供的一种电子设备处于中间状态时的结构图;
图5b为本申请实施例提供的一种电子设备处于中间状态时的侧面视图;
图6为本申请实施例提供的一种电子设备处于闭合状态时的结构图;
图7a为外折式电子设备处于展平状态时的结构示意图;
图7b为外折式电子设备处于闭合状态时的结构示意图;
图8a为内折式电子设备处于展平状态时的结构示意图;
图8b为内折式电子设备处于闭合状态时的结构示意图;
图9a为本申请实施例提供的电子设备处于展平状态时,柔性屏和转轴机构的状态图;
图9b为本申请实施例提供的电子设备处于闭合状态时,柔性屏和转轴机构的状态图;
图10为本申请实施例提供的电子设备处于展平状态时转轴机构的结构图;
图11为本申请实施例提供的电子设备处于闭合状态时转轴机构的结构图;
图12为本申请实施例提供的转轴机构去掉第一门板后的部分结构图;
图13为本申请实施例提供的第一壳体连杆、第一齿轮连杆、第一副连杆、第一啮合传动结构、主体、第一门板和中间门板连接关系的简易示意图;
图14为本申请实施例提供的第一壳体连杆、第一齿轮连杆、第一副连杆、第一啮合传动结构、主体、第一门板和中间门板连接关系的使用状态图;
图15为本申请实施例提供的第二壳体连杆、第二齿轮连杆、第二副连杆、第二啮合传动结构、主体、第二门板和中间门板连接关系的简易示意图;
图16为本申请实施例提供的第二壳体连杆、第二齿轮连杆、第二副连杆、第二啮合传动结构、主体、第二门板和中间门板连接关系的使用状态图;
图17为本申请实施例提供的转轴机构的部分结构图的爆炸图;
图18为本申请实施例提供的转轴机构的部分结构图;
图19为本申请实施例提供的第一齿轮连杆的结构图;
图20为本申请实施例提供的中间门板的结构图;
图21为本申请实施例提供的第一齿轮连杆和第一壳体连杆的爆炸图;
图22为本申请实施例提供的转轴机构的部分结构图;
图23为本申请实施例提供的转轴机构的部分结构图;
图24为本申请实施例提供的转轴机构的部分结构图;
图25为本申请实施例提供的第一副连杆的结构图;
图26为本申请实施例提供的第一副连杆的结构图;
图27为本申请实施例提供的中间门板和主体的爆炸图;
图28为本申请实施例提供的转轴机构的部分结构图;
图29为本申请实施例提供的柔性屏具有褶皱时的状态图;
图30为本申请实施例提供的转轴机构的部分结构图;
图31为本申请实施例提供的转轴机构与柔性屏的简易示意图;
图32为本申请实施例提供的第一推屏结构的结构图;
图33为本申请实施例提供的转轴机构的部分结构图;
图34为本申请实施例提供的阻尼原理图;
图35为本申请实施例提供的转轴机构的部分结构图;
图36为本申请实施例提供的阻尼原理图;
图37为本申请实施例提供的第一凸轮连杆和第一凸轮的爆炸图;
图38为本申请实施例提供的转轴机构的部分结构图;
图39为本申请实施例提供的转轴机构的部分结构图;
图40为本申请实施例提供的电子设备的爆炸图;
图41为本申请实施例提供的一种电子设备处于展平状态时的结构图;
图42为本申请实施例提供的一种电子设备处于闭合状态时的结构图。
附图标记:
100-转轴机构;200-第一壳体;201-第一表面;202-第三表面;300-第二壳体;301-第二表面;302-第四表面;400-柔性屏;
11-中间门板;11a-滑动销;11b-导向柱;
12-第一门板;12a-第一门板弧形凸块;12b-第一转孔;
13-第二门板;
14-主体;14b-导向槽;
15-第一连杆组件;151-第一壳体连杆;151a-滑块;151b-镶嵌槽;151c-第一弧形卡槽;151d-支撑杆;151e-滑槽;151e1-第一抵接面;151e2-第二抵接面;152-第一齿轮连杆;152a-滑槽;152b-安装孔;1521-滑动部分;1522-转动部分;153-第一副连杆;153a-第一转轴;153b-第二转轴;153c-轨迹槽;
16-第二连杆组件;161-第二壳体连杆;161a-滑块;162-第二齿轮连杆;162a-滑槽;163-第二副连杆;
17-第一啮合传动结构;171-第一齿轮;172-第一齿条;
18-第二啮合传动结构
19-导向结构;
201-第一推屏结构;201a-弹性件;202-第二推屏结构;
301-第一阻尼结构;301a-第一凸轮连杆;301a1-凸轮部;301a2-第一连杆部;301a3-第二连杆部;301a4-滑块;301b-第一凸轮;301c-第一阻尼销轴;301d-第一阻尼弹性件;
302-第二阻尼结构;302a-第二凸轮连杆;302b-第二凸轮;302c-第二阻尼销轴;302d-第二阻尼弹性件;
303-连杆;
304-第三阻尼销轴;
305-第四阻尼销轴;
21-装饰盖。
具体实施方式
下面结合本申请实施例中的附图对本申请以下各个实施例进行描述。
本申请实施例提供一种可折叠的电子设备。可折叠的电子设备可以包括具有柔性屏且可改变柔性屏及自身的展开或折叠形态的各种电子设备。在不同使用需求下,可折叠的电子设备可以展开至展平状态,也可以折叠至闭合状态,还可以处于展平状态与闭合状态之间的中间状态。也就是说,可折叠的电子设备至少具有两种状态,即展平状态和闭合状态。在一些情况下,还可以进一步包括第三种状态,即位于展平状态和闭合状态之间的中间状态。可以理解的是,中间状态并不是只具有唯一的状态,可以是电子设备处于展平状态和闭合状态之间的任意一种或多种状态。
示例性的,可折叠的电子设备可以但不限于为手机、平板电脑、笔记本电脑、电子书阅读器、照相机、可穿戴设备、家用电子设备等。为了便于理解,在本申请各实施例中,可折叠的电子设备以手机为例进行说明。
参照图1和图2,图1为本申请一实施例提供的可折叠的电子设备的爆炸图,图2为本申请一实施例提供的可折叠的电子设备去掉柔性屏400后的爆炸图。结合图1和图2,可折叠的电子设备可以包括转轴机构100、第一壳体200、第二壳体300以及柔性屏400。
其中,第一壳体200和第二壳体300设置于转轴机构100的两侧并分别与转轴机构100连接,转轴机构100能够运动,以使第一壳体200与第二壳体300相对折叠或相对展开。
第一壳体200和/或第二壳体300可以分别形成安装空间,以用于安装电子设备的电路板、电池、受话器、扬声器、摄像头等电子元器件。其中,电路板可以集成电子设备的主控制器、存储单元、天线模块、电源管理模块等电子元器件,电池则可以为柔性屏400、电路板、受话器、扬声器、摄像头等电子元器件供电。第一壳体200与第二壳体300可以是等厚的也可以是不等厚的,本申请实施例不作限定。
在一种可能的设计中,第一壳体200和第二壳体300可以都设有安装空间,将上述电子设备的电子元器件分布于两侧壳体中。在另一种可能的设计中,可以仅在第一壳体200中设有安装空间,将上述电子设备的电子元器件集中分布于第一壳体200中;或者,第一壳体200和第二壳体300都可以设有安装空间,但是上述电子设备的元器件中的大部分设于第一壳体200中,小部分设于第二壳体300中,使第二壳体300更加轻巧,从而可以更便捷的进行折叠和展开。
参照图2和图3,图3为本申请一实施例提供的可折叠的电子设备的背部结构示意图。在本申请实施例中,第一壳体200具有第一表面201以及与第一表面201相背设置的第三表面202,第二壳体300具有第二表面301以及与第二表面301相背设置的第四表面302。其中,第一壳体200的第一表面201与第二壳体300的第二表面301可共同用于支撑柔性屏400,而第一壳体200的第三表面202与第二壳体300的第四表面302可作为电子设备的外观面。另外,可以理解的是,在一些应用场景下,在第一壳体200的第三表面202,和第二壳体300的第四表面302也可设置显示屏,该显示屏可为柔性屏或者非柔性屏,在此不进行具体限定。
参照图4,图4为第一壳体200与第二壳体300相对展开至展平状态的电子设备的结构示意图。在本申请实施例中,第一壳体200与第二壳体300处于展平状态时,一并参照图1和图4,第一壳体200的第一表面201和第二壳体300的第二表面301处于同一平面,此时第一表面201和第二表面301之间的夹角可以大致呈180°(也允许存在一定角度的公差,第一表面201和第二表面301之间的夹角例如为165°、177°或者185°)。
进一步参照图1和图4,柔性屏400连续的覆盖于可折叠的电子设备的第一壳体200的第一表面201、转轴机构100以及第二壳体300的第二表面301上。其中,柔性屏400可以分为连续的区域A、B、C、D和E,其中,区域B、C、D包括被折叠时的弯折部分。区域A与第一壳体200的第一表面201对应,其可固定连接于第一壳体200的第一表面201,区域E与第二壳体300的第二表面301对应,其可固定连接于第二壳体300的第二表面301。需要说明的是,图中示出的区域B、C、D三者的分界线仅为示例性的,可以根据具体的转轴机构100的设计调整区域B、C、D的分界线。
一并参照图5a和图5b,图5a展示的是第一壳体200与第二壳体300相对转动(展开或折叠)至中间状态的电子设备的结构示意图。图5b展示的是第一壳体200与第二壳体300相对转动(展开或折叠)至中间状态的电子设备的侧视图。在图5a中省略了柔性屏400,以便于展示中间状态时两个壳体的形态。此时电子设备可以处于展平状态与闭合状态之间的任意状态,示例性的,第一壳体200的第一表面201与第二壳体300的第二表面301之间的夹角例如可为130°~150°。
又参照图6,图6为第一壳体200与第二壳体300相对折叠至闭合状态的电子设 备的结构示意图。可一并参照图1和图6,第一壳体200与第二壳体300处于闭合状态时,第一壳体200的第一表面201与第二壳体300的第二表面301彼此面对或彼此背离(具体与折叠方式有关),此时第一壳体200的第一表面201与第二壳体300的第二表面301之间可存在微小的夹角或相互平行以使两壳体能完全合拢(也允许存在一定角度的公差)。
柔性屏400能够用于显示信息并为用户提供交互界面,在本申请各实施例中,柔性显示屏400可以但不限于为有机发光二极管(organic light-emitting diode,OLED)显示屏,有源矩阵有机发光二极体或主动矩阵有机发光二极体(active-matrix organic light-emitting diode,AMOLED)显示屏,迷你发光二极管(mini organic light-emitting diode)显示屏,微型发光二极管(micro organic light-emitting diode)显示屏,微型有机发光二极管(micro organic light-emitting diode)显示屏,量子点发光二极管(quantum dot light emitting diodes,QLED)显示屏等。
如前文所述,电子设备可以通过转轴机构100的运动,在展平状态与闭合状态之间进行切换,柔性屏400可随第一壳体200与第二壳体300折叠或展开。通常情况下,可折叠的电子设备的折叠方式分为外折式和内折式,其中,外折式是指电子设备由展平状态转换至闭合状态的过程中以及电子设备在闭合状态下,柔性屏400都处于电子设备的外侧,也即在折叠过程中以及闭合状态下,柔性屏400仍然对用户可见,在闭合状态下用户还可以在柔性屏400上进行一些操作。也就是上文中所述的,第一壳体200的第一表面201与第二壳体300的第二表面301可以相背彼此运动,且第一壳体200与第二壳体300处于闭合状态时,第一壳体200的第一表面201与第二壳体300的第二表面301彼此背离。一并参照图7a和图7b,图7a为外折式电子设备处于展平状态时的结构示意图,图7b为外折式电子设备处于闭合状态时的结构示意图。在电子设备处于闭合状态时,柔性屏400位于电子设备的外侧。可以理解的,如果不加以调整,外折式的电子设备在折叠的过程中(即由图7a到图7b的过程中),柔性屏400的旋转半径会大于转轴机构100的旋转半径,导致柔性屏400的过度拉伸。因此,外折式的转轴机构100设计需要考虑如何尽可能避免或减小这种拉伸产生。
相对的,内折式是指在电子设备由展平状态转换至闭合状态的过程中以及电子设备在闭合状态下,柔性屏400都处于电子设备的内侧,也即在折叠过程中柔性屏400逐渐对用户不可见,直到闭合状态下,柔性屏400将收容在两个壳体之间而完全隐藏。也就是上文中所述的,第一壳体200的第一表面201与第二壳体300的第二表面301可以相向彼此运动,且第一壳体200与第二壳体300处于闭合状态时,第一壳体200的第一表面2001与第二壳体300的第二表面3001彼此面对。可一并参照图8a和图8b,图8a为内折式电子设备处于展平状态时的结构示意图,图8b为内折式电子设备处于闭合状态时的结构示意图。在电子设备处于闭合状态时,柔性屏400位于电子设备的内侧。可以理解的是,内折式的电子设备在折叠的过程中(即由图8a到图8b的过程中),柔性屏400会被对折,而柔性屏400所能承受的最大弯折程度是有限的,因此存在对应的临界曲率半径R(或临界曲率半径范围),一旦柔性屏400的弯折位置处的曲率半径小于该临界曲率半径R时,极易造成柔性屏400的断裂,而无法继续使用。除此之外,即使弯折位置处的曲率半径大于临界曲率半径,如果电子设备的转 轴机构100的曲率半径太小也会导致柔性屏的褶皱、折痕、内部层次的错位等问题,因此,内折式的电子设备的转轴机构100的设计,需要尽可能使柔性屏400的弯折位置处的曲率半径增大,进而减小对柔性屏400的挤压。
容易理解的,一方面,增加折叠状态下的两个壳体之间的间隔距离可以增大曲率半径,使得柔性屏400不会被直接对折。两个壳体之间的间隔距离越大,柔性屏400的弯折位置的曲率半径就越大,对柔性屏400的挤压就越小;两个壳体之间的间隔距离越小,柔性屏400的弯折位置的曲率半径就越小,对柔性屏400的挤压就越大,折痕就越明显。另一方面,两个壳体之间的间隔距离越大,在折叠状态下的电子设备的厚度就越大,会影响电子设备的便携性,并且这个间隔也容易导致灰尘、异物等进入,进而也会伤害和磨损柔性屏,影响柔性屏的寿命,同时也会影响转轴机构的寿命。
基于上文中内折式的可折叠的电子设备的问题,本申请实施例提供了一种可折叠的电子设备以及适用于该电子设备中的转轴机构,旨在提高电子设备的便携性的情况下,还能够在折叠过程中及闭合状态下,为柔性屏400提供较大的容纳空间,以增大柔性屏400的弯折位置处的曲率半径,从而降低柔性屏400被挤压损坏的风险。
下面先对本申请提供的转轴机构100可能涉及的主要组件以及相关机构进行简单的介绍,后文将对每个部分的具体结构和实现原理进行进一步的详细说明。
图9a和图9b示出了本申请提供的转轴机构100处于两种不同状态时的简易示意图。其中,图9a示出的是电子设备处于展平状态时,柔性屏400和转轴机构100的状态图,图9b示出的是电子设备处于闭合状态时,柔性屏400和转轴机构100的状态图。
一并参照图9a和图9b,本申请给出的转轴机构100包括第一门板12、第二门板13以及中间门板11,第一门板12和第二门板13布设在中间门板11的相对的两侧,即中间门板11被夹在第一门板12和第二门板13之间。转轴机构100还包括主体14,且第一门板12、中间门板11和第二门板13处于主体14的同一侧。可以这样理解,如图9a,第一门板12具有相对的A1面和B1面,第二门板13具有相对的A2面和B2面,中间门板11具有相对的A3面和B3面。A1面、A2面和A3面处于同一侧面,B1面、B2面和B3面处于同一侧面。主体14设置在B1面、B2面和B3面一侧,则柔性屏400设置在A1面、A2面和A3面一侧。
本申请给出的转轴机构100中,第一门板12能够相对主体14转动,第二门板13也能够相对主体14转动,且第一门板12的转动方向与第二门板13的转动方向相反。相反转动的第一门板12和第二门板13可以包括两种状态,第一种为电子设备折叠时,第一门板12和第二门板13相向(或者被称为相对)转动;第二种为电子设备展开时,第一门板12和第二门板13相背离转动。
另外,本申请给出的转轴机构100中,在第一门板12和第二门板13转动的过程中,中间门板11能够朝靠近主体14的方向移动,或者朝远离主体14的方向移动。
参照图4和图9a,柔性屏400连续的覆盖于可折叠的电子设备的第一壳体200、转轴机构100以及第二壳体300上。其中,区域A与第一壳体200的第一表面2001对应,其可固定连接于第一壳体200的第一表面201,区域E与第二壳体300的第二表面301对应,其可固定连接于第二壳体300的第二表面3001。区域B固定连接于转轴机构的第一门板12上,区域D固定连接于转轴机构的第二门板13上,区域C与中 间门板11相对,且区域C能够相对中间门板11移动。
如图9a,当电子设备处于展平状态时,第一门板12、中间门板11和第二门板13处于同一平面内,并用于支撑展平的柔性屏400。当电子设备由展平状态朝闭合状态变换时,如图9a至图9b所示,第一门板12相对主体14沿旋转方向P1方向转动,第二门板13相对主体14沿与P1方向相反的P2方向转动。也即,第一门板12和第二门板13远离主体14的端部相互靠拢,第一门板12和第二门板13靠近主体14的端部相互远离,使得柔性屏400在第一门板12和第二门板13之间弯折。并且,在第一门板12和第二门板13相对主体14彼此靠近的过程中,中间门板11沿图9b示出的P3方向靠近主体14移动,比如,中间门板11与主体14之间的距离可以由图9a的D1缩小至图9b的D2。从而,第一门板12、中间门板11和第二门板13形成了接近三角形的容纳腔,柔性屏400被容纳在三角形的容纳腔内,并可呈类似水滴状。可以这样理解,通过中间门板11朝主体14的移动,可以为柔性屏400避让出足够大的容纳空间,以增大柔性屏400的弯折位置处的曲率半径,降低柔性屏400被挤压损坏的风险。
相反的,当电子设备由闭合状态朝展平状态变换时,如图9b至图9a所示,第一门板12相对主体14沿与旋转方向P1相反的方向转动,第二门板13相对主体14沿与P2方向相反的方向转动。也即,第一门板12和第二门板13相互背离,使得柔性屏400展开。在第一门板12和第二门板13远离主体的端部相对主体14彼此远离的过程中,中间门板11沿图9b示出的与P3方向相反的方向远离主体14移动,直至第一门板12、中间门板11和第二门板13运动至位于同一平面内,以支撑展平的柔性屏400。
基于上述对本申请提供的转轴机构100结构的描述,以及对转轴机构100中各个结构之间的运动关系的描述,可以看出,本申请给出的转轴机构100中,不仅第一门板12和第二门板13相对主体14可以转动,中间门板11还可以相对主体14升降,使得转轴机构100的长度能够发生变化。即当柔性屏400被折叠时,转轴机构100的长度能够被拉长,为柔性屏400避让出更多的容纳空间,增大柔性屏400的弯折位置处的曲率半径,避免对靠近转轴机构100的柔性屏400部分产生挤压。当柔性屏400被展开时,转轴机构100的长度能够被缩短。也就是说,该转轴机构100可以促使柔性屏400在折叠过程中处于任意角度时,柔性屏400的长度尺寸基本不变,即不会被挤压或者不会被拉伸。
图10和图11给出了一种转轴机构100的可实现结构,且图10为电子设备处于展平状态时转轴机构100的结构图,图11为电子设备处于闭合状态时转轴机构100的结构图。一并结合图10和图11,转轴机构100除包括第一门板12、第二门板13、中间门板11以及主体14之外,还包括第一连杆组件15和第二连杆组件16,第一连杆组件15和第二连杆组件16相对设置在主体14的两侧,即第一连杆组件15靠近第一门板12设置,第二连杆组件16靠近第二门板13设置。
图12为转轴机构100去掉第一门板12后的部分结构图,结合图12所示,第一连杆组件15包括第一壳体连杆151和第一齿轮连杆152,以及第一副连杆153。另外,转轴机构100还包括第一啮合传动结构17。
图13给出了第一壳体连杆151、第一齿轮连杆152、第一副连杆153、第一啮合传动结构17、主体14、第一门板12和中间门板11连接关系的简易示意图。其中,第 一齿轮连杆152靠近主体14的一端与主体14转动连接,第一齿轮连杆152远离主体14的一端与第一壳体连杆151滑动连接,第一齿轮连杆152靠近中间门板11的一端通过第一啮合传动结构17与中间门板11啮合连接,第一门板12的一端与第一壳体连杆151转动连接,第一门板12的另一端与第一副连杆153的一端转动连接,第一副连杆153的另一端与主体14转动连接,且第一副连杆153与中间门板11滑动连接。
如图13所示的,当第一齿轮连杆152相对主体14旋转时,在第一壳体连杆151、第一副连杆153、第一齿轮连杆152、第一啮合传动结构17的机械联动作用下,会带动第一门板12相对主体14转动,以及带动中间门板11相对主体14移动,从而实现转轴机构100的伸长与收缩。
见图14,给出了电子设备在折叠时,转轴机构100处于两个不同状态时,第一齿轮连杆152、第一壳体连杆151、第一副连杆153、第一门板12和中间门板11所处的位置。其中,黑色实线示为第一齿轮连杆152、第一壳体连杆151、第一副连杆153、第一门板12和中间门板11所处的其中一种位置,黑色虚线示为第一齿轮连杆152、第一壳体连杆151、第一副连杆153和第一门板12和中间门板11所处的另一种位置。
如图14得知,由于第一副连杆153与中间门板11滑动连接,第一副连杆153的两端还分别与第一门板12和主体14转动连接,这样的话,通过该滑动连接可以约束第一门板12的靠近主体14的一端的运动位置,比如,如图14所示,当电子设备折叠时,中间门板11相对主体14下沉(即由黑色实线位置移动至黑色虚线位置),带动第一副连杆153转动,可以约束第一门板12的靠近主体14的一端由C1位置转动至C2位置。
另外,再如图14所示,由于第一壳体连杆151的一端与第一门板12转动连接,另一端与第一齿轮连杆152滑动连接,从而,可以控制第一门板12的远离主体14的一端的运动位置,比如,当电子设备折叠时,中间门板11相对主体14下沉(即由黑色实线位置移动至黑色虚线位置),可以约束第一门板12的远离主体14的一端由D1位置转动至D2位置。也就是说,通过第一齿轮连杆152、第一壳体连杆151、第一副连杆153、第一门板12和中间门板11,以及主体14形成的机械联动机构,可以精准的控制第一门板12的运动位置。
继续结合图14,由于第一副连杆153与中间门板11滑动连接,第一副连杆153还与第一门板12转动连接,如此设计的话,可以使得中间门板11移动位置与第一门板12的转动位置相关联,进而,可以比较精准的控制转轴机构100的长度变化情况,比如,当电子设备折叠时,可以精准的控制形成的容屏空间的大小,以为柔性屏预留合适的空间。
除此之外,如图13和图14,第一齿轮连杆152靠近中间门板11的一端通过第一啮合传动结构17与中间门板11啮合连接。也就是说,第一齿轮连杆152在相对主体14转动时,可以通过第一啮合传动结构17带动中间门板11相对主体14移动。
上述通过啮合传动结构实现中间门板11移动的技术手段,相比采用摩擦传动,可以减小中间门板11的运动阻力,提升中间门板11移动的稳定性,还可以提升中间门板11的运动精度;另外,当第一齿轮连杆152相对主体14转动时,中间门板11能够很快的得到响应,即很快的相对主体14移动;还有,通过啮合传动结构,还不会因为 电子设备的多次折叠,快速的降低转轴机构100的使用可靠性。所以,采用啮合传动结构带动中间门板11移动,会有效的提升电子设备的使用性能。
如图15,图15示出了第二连杆组件16的结构。具体的,靠近第二门板13设置的第二连杆组件16也包括第二壳体连杆161和第二齿轮连杆162,以及第二副连杆163。另外,转轴机构100还包括第二啮合传动结构18。
和第一连杆组件15类似,在第二连杆组件16中,第二齿轮连杆162靠近主体14的一端与主体14转动连接,第二齿轮连杆162远离主体14的一端与第二壳体连杆161滑动连接,第二齿轮连杆162靠近中间门板11的一端通过第二啮合传动结构18与中间门板11啮合连接,第二门板13的一端与第二壳体连杆161转动连接,第二门板13的另一端与第二副连杆163的一端转动连接,第二副连杆163的另一端与主体14转动连接,且第二副连杆163与中间门板11滑动连接。
如图16,图16示出了电子设备在折叠时,转轴机构100处于两个不同状态时,第二齿轮连杆162、第二壳体连杆161、第二副连杆163、第二门板13和中间门板11所处的位置。其中,第二连杆组件16和第二啮合传动结构18带动第二门板13转动,以及带动中间门板11移动的机理,和上述图14所示的第一连杆组件15和第一啮合传动结构17带动第一门板12转动,以及带动中间门板11移动的机理相同,在此不再赘述。
在一些实施方式中,为了提升第一门板12和第二门板13相对主体14转动的平衡性,可以使得第一连杆组件15和第二连杆组件16关于主体14对称布设,第一啮合传动结构17和第二啮合传动结构18关于主体14对称布设。
同样的,为了使得第一门板12和第二门板13相对主体14转动的对称性、平衡性,上述的第一齿轮连杆152相对主体14转动的旋转轴线,与第二齿轮连杆162相对主体14转动的旋转轴线可以相平行;第一门板12相对第一壳体连杆151转动的旋转轴线,与第二门板13相对第二壳体连杆152转动的旋转轴线可以相平行。
在一些设计中,第一壳体连杆151可以包括一个或者多个,第一齿轮连杆152也可以包括一个或者多个。在本申请实施中,如图17,图17为转轴机构100的部分结构的爆炸图,在图17所示的实施例中,给出了包括一个第一壳体连杆151和一个第一齿轮连杆152的转轴机构100。在其他实施方式中,第一壳体连杆151具有一个,第一齿轮连杆152具有多个时,多个第一齿轮连杆152可以与一个第一壳体连杆151滑动连接;或者,第一壳体连杆151具有多个,第一齿轮连杆152具有多个时,多个第一壳体连杆151与多个第一齿轮连杆152可以一对一的滑动连接。
对于第二连杆组件16中的第二壳体连杆161和第二齿轮连杆162的数量、设置方式可以参考上述第一壳体连杆151和第一齿轮连杆152的相关描述,在此不再赘述。
在一些实施例中,第一幅连杆153可以包括一个或者多个。在本申请实施例中,如图17,第一副连杆153具有两个,该两个第一副连杆153可以沿着主体14的长度方向(如图17的S方向)间隔布设。
对于第二幅连杆163的数量、设置方式可以参照第一副连杆153的相关描述,在此不再描述。
下面对第一啮合传动结构17可实现的结构进行介绍。对于第二啮合传动结构18 可实现的结构可以参照第一啮合传动结构17的描述,在一些实施方式中,第二啮合传动结构18可实现的结构可以和第一啮合传动结构17相同,也可以不同。
第一啮合传动结构17具有多种可选择的实施方式。下述给出了至少两种不同的第一啮合传动结构17。
图18给出了其中一种第一啮合传动结构17可实现的结构,且图18为转轴机构100的部分结构的断面图。如图18,第一啮合传动结构17包括第一齿轮171,和与第一齿轮171相啮合的第一齿条172。第一齿轮171设置在第一齿轮连杆152的靠近中间门板11的一端,第一齿条172形成在中间门板11上。
再结合图18,第一齿轮171的旋转轴线与第一齿轮连杆152的旋转轴线相平行,比如,可以均沿中间门板11的长度方向(如图18的S方向)延伸,第一齿条172的延伸方向可以与中间门板11相垂直,即与中间门板11的长度方向S方向相垂直。
基于上述对图18所示第一啮合传动结构17的描述,该第一啮合传动结构17带动中间门板11移动的工作过程为:如图18,在电子设备折叠过程中,第一齿轮连杆152相对主体14沿P1方向旋转时,通过旋转的第一齿轮171带动第一齿条172沿L1方向移动,以使得中间门板11朝靠近主体14的方向移动。相反的,在电子设备闭合过程中,第一齿轮连杆152相对主体14沿与P1方向相反的方向旋转时,通过旋转的第一齿轮171带动第一齿条172沿与L1方向相反的方向移动,以使得中间门板11朝远离主体14的方向移动。
图19给出了一种第一齿轮171的可实现的结构图,在可选择的实施方式中,可以是如图19所示的在第一齿轮连杆152的靠近中间门板11的一端形成啮合齿,以形成第一齿轮171,也就是第一齿轮171和第一齿轮连杆152为一体成型件,或者在其他实施方式中,第一齿轮171通过连接件(比如,螺栓)与第一齿轮连杆152固定连接。
图19所示的第一齿轮171是横断面为圆形的完整的齿轮结构。在另外一些实施例中,也可以是从如图19中所示的完整的齿轮结构切割下的部分结构。
图20给出了一种第一齿条172的可实现的结构图,在可选择的实施方式中,第一齿条172可以如图20所示的与中间门板11为一体成型件,或者通过连接件(比如,螺栓)与中间门板11固定连接,又或者通过粘结胶与中间门板11固定连接。
第一啮合传动结构17还可以采用下述结构,比如,第一啮合传动结构17除包括图17所示的第一齿轮171和第一齿条172之外,还可以包括第一从动齿轮。并且,第一齿轮171与第一从动齿轮外啮合,第一从动齿轮还与第一齿条172外啮合。或者,还可以包括更多的齿轮结构,比如,还可以包括第二从动齿轮,且第二从动齿轮与第一从动齿轮同轴设置,第一齿轮171与第一从动齿轮外啮合,第二从动齿轮与第一齿条172外啮合。
下面对第一门板12、第一壳体连杆151、第一齿轮连杆152、第一副连杆153和主体14各结构之间的连接结构作具体说明。
第一壳体连杆151与第一齿轮连杆152的滑动连接具有多种实现结构,下面给出了两种不同的滑动连接结构。当然,除此之外,还可以为其他的滑动连接结构。
示例一,图21给出了一种滑动连接关系,且图21示出的是第一壳体连杆151和与之配合的第一齿轮连杆152的爆炸图。在本申请实施例中,第一齿轮连杆152上形 成有滑槽152a,第一壳体连杆151上形成有滑块151a,滑块151a装配在滑槽152a内,且可以沿滑槽152a滑动,从而实现第一壳体连杆151与第一齿轮连杆152之间的滑动连接。
为了提升第一壳体连杆151与第一齿轮连杆152滑动的稳定性,如图21,第一齿轮连杆152开设有对称布设在两侧的两个滑槽152a。相对应的,第一壳体连杆151设置有两个滑块151a,两个滑槽152a与两个滑块151a一一对应滑动配合连接。
在一些设计中,如图21,可以在第一壳体连杆151上开设镶嵌槽151b,第一齿轮连杆152装配在镶嵌槽151b内,且滑块151a设置在镶嵌槽151b的壁面上。这样的话,位于镶嵌槽151b内的第一壳体连杆151可以通过相配合的滑块151a和滑槽152a与第一齿轮连杆152滑动连接。
示例二,可以在第一齿轮连杆152上设置滑块,在第一壳体连杆151上开设滑槽,第一齿轮连杆152上的滑块与第一壳体连杆151上的滑槽相配合,实现第一壳体连杆151与第一齿轮连杆152之间的滑动。也就是说,示例二相对于示例一,将滑块和滑槽的设置位置调换,可以实现相同的滑动连接效果,因此可以参考示例一,设置滑槽和滑块的结构,这里不再赘述。
第二齿轮连杆162与第二壳体连杆161的滑动连接结构可以参照上述第一壳体连杆151与第一齿轮连杆152的滑动连接结构,当然,也可以选用其他结构实现转动。
第一齿轮连杆152的结构具有多样化。比如,在图21中,第一齿轮连杆152包括与第一壳体连杆151滑动连接的滑动部分1521,和与主体14转动连接的转动部分1522,其中,滑槽152a开设在滑动部分1521上,用于与第一齿条172相啮合的第一齿轮171可以形成在转动部分1522上。
第二齿轮连杆162的结构也具有多种结构,为了使得整个转轴机构100运动的平衡性,第二齿轮连杆162可以采用与第一齿轮连杆152相同的结构。即也包括呈一体的转动部分和滑动部分。
第一门板12与第一壳体连杆151的转动连接具有多种实现结构。比如,图22示出了一种第一门板12与第一壳体连杆151的转动连接结构图,且图22是本申请实施例的转轴机构100的部分结构图。其中,第一门板12的背离柔性屏400的表面上具有朝第一壳体连杆151方向延伸的第一门板弧形凸块12a,第一壳体连杆151上开设有第一弧形卡槽151c,第一门板弧形凸块装配在第一弧形卡槽151c内,且可以相对第一弧形卡槽151c转动,实现第一门板12与第一壳体连杆151的转动连接。再比如,可以将第一弧形卡槽和第一门板弧形凸块的设置位置调换,即将第一门板弧形凸块设置在第一壳体连杆151上,第一弧形卡槽开设在第一门板12上,同样的,可以实现第一门板12和第一壳体连杆151的相对转动。
当采用图22所示转动连接结构时,第一弧形卡槽151c可以为四分之一圆弧槽、三分之一圆弧槽等。第一门板弧形凸块12a可以是四分之一圆弧凸块、三分之一圆弧凸块等。本领域技术人员可根据实际需求对第一弧形卡槽151c和第一门板弧形凸块12a的具体形状作适应调整,本申请对此不作具体限定。
第二门板13与第二壳体连杆161的转动连接结构可以参照上述第一门板12与第一壳体连杆151的转动连接。比如,第二门板13与第二壳体连杆161也通过弧形凸块 与弧形卡槽转动配合,实现他们的相对转动。
第一门板12与第一副连杆153的转动连接也具有多种实现结构。例如,如图23给出了一种第一门板12与第一副连杆153的转动连接结构图,且图23是本申请实施例的转轴机构100的部分结构图,在图23中,第一门板12的背离柔性屏400的表面上且靠近第一副连杆153的位置处设置有第一转孔12b,该第一转孔12b和第一门板弧形凸块12a可以处于第一门板12相对的两端。第一副连杆153上形成有可以转动设置在第一转孔12b内的第一转轴153a,通过第一转轴153a与第一转孔12b的转动配合,实现第一门板12和第一副连杆153的转动连接。再例如,将第一转轴设置在第一门板12上,第一转孔开设在第一副连杆153上。又例如,第一门板12和第一副连杆153通过弧块和弧槽的转动配合,实现第一门板12和第一副连杆153的转动。
第二门板13与第二副连杆163的转动连接可以参照上述第一门板12与第一副连杆153的转动连接结构,在此不再赘述。
第一副连杆153与中间门板11的滑动连接结构可以采用图23所示的连接方式,比如,第一副连杆153上开设有轨迹槽153c,中间门板11上设置有可以沿轨迹槽153c滑动的滑动销11a。图23仅给出了一种滑动连接的实施例,并不构成对滑动连接结构的绝对限定。
第一副连杆153与主体14的转动连接结构同样会具有多种实现方式。示例的,如图24所示,第一副连杆153上靠近主体14的位置处设置有第二转轴153b,主体14上开设有装配第二转轴153b的第二转孔,第二转轴153b转动设置在第二转孔内,以实现第一副连杆153与主体14的转动连接。再示例的,可以通过弧形槽和弧形凸块的转动配合,实现第一副连杆153与主体14的转动连接。
在一些设计中,如图25和图26所示,图25示出的是第一副连杆153的结构图,图26示出的是第一副连杆153的另一个角度的结构图,其中,第一副连杆153具有相对的第一表面F1和第二表面F2,第二转轴153b和第一转轴153a均设置在第一表面F1上,轨迹槽153c开设在第二表面F2上。轨迹槽153可以是贯通第一表面F1和第二表面F2的通槽,也可以是图25和图26所示的不贯通第一表面F1和第二表面F2的盲槽。
第二门板13与第二副连杆163的转动连接,以及第二副连杆163与主体14的转动连接,第二副连杆163与中间门板11的滑动连接,可以参照上述第一门板12与第一副连杆153的转动连接结构,以及参照第一副连杆153与主体14的转动连接,第一副连杆153与中间门板11的滑动连接结构,在此不再赘述。
为了使得中间门板11相对主体14直线移动,转轴机构100还包括导向结构19,即通过啮合传动结构带动中间门板11移动时,可以通过导向结构19引导中间门板11直线运动。
图27给出一种导向结构19的其中一种可实现结构,且图27示出的是主体14与中间门板11的爆炸图。具体的,主体14上开设有导向槽14b,中间门板11的的侧面形成有导向柱11b,导向槽14b的延伸方向与中间门板11的长度方向相垂直,且导向柱11b滑动设置在导向槽14b内,以形成导向结构19。这里的导向槽14b和导向柱11b可以调换设置位置,即将导向槽开设在中间门板11上,导向柱形成在主体14上,这 样,同样可以实现导向作用。
在一些实施方式中,导向结构19可以设置一个,也可以如图27和图28所示的设置多个,比如,一并结合图27和图28,设置了三个导向结构19,且三个导向结构中的其中两个设置沿中间门板11的长度方向(如图28的S方向)设置,另一个导向结构19沿中间门板11的宽度方向(如图28的L方向)设置。如此设计的话,通过在多个不同位置设置导向结构19,可以进一步使得中间门板11直线运动的稳定性。
在具体实施时,当电子设备处于展平状态时,因为柔性屏400具有柔性特征,可能会具有褶皱、弯折,不能处于展平状态。例如,在一些设计中,第一门板12、中间门板11、第二门板13、第一壳体200、第二壳体300等结构件在装配时,具有装配间隙,那么,当电子设备处于展平状态时,尽管第一门板12、中间门板11、第二门板13、第一壳体200和第二壳体300可以处于同一平面,但是,如图29所示的,第一门板12和与之相邻的第一壳体200之间,和/或,第二门板12和与之相邻的第二壳体300之间可能会存在间隙d,从而,柔性屏400会在具有间隙d的位置处发生褶皱现象,降低柔性屏400的平整度,尤其是当柔性屏100的操作位置恰好处于间隙位置处时,会明显的降低用户体验度。
为了使得电子设备处于展平状态时,柔性屏400被充分张开、展平,本申请的转轴机构100还包括推屏结构。比如,如图30,可以在第一壳体连杆151和第一齿轮连杆152相配合的位置处设置第一推屏结构201。图31给出了本申请涉及的第一推屏结构201的推屏原理,如图31,第一推屏结构201用于给第一壳体连杆151施加远离第一齿轮连杆152方向的推力F,因为第一壳体连杆151与第一壳体200固定连接,若对第一壳体连杆151施加远离第一齿轮连杆152方向的推力F时,也就是会给第一壳体200施加远离第一门板12方向的推力F,那么,当电子设备处于展平状态时,会对固定连接在第一壳体200上的柔性屏400部分产生推力,进而可将柔性屏撑开、消除折痕,提升用户体验度。
图32示出了一种第一推屏结构201可实现的结构,该第一推屏结构201是通过第一齿轮连杆152对第一壳体连杆151施加弹力,以消除柔性屏折叠。具体的,见图32所示,第一推屏结构201包括:开设在第一齿轮连杆152上的安装孔152b,和形成在第一壳体连杆151上的且能够伸入安装孔152b内的支撑杆151d;除此之外,第一推屏结构201还包括弹性件201a,且弹性件201a的一端套设在支撑杆151d上。在可实现的方式中,这里的弹性件201a可以是弹簧,或者其他可伸缩件。
当电子设备由闭合状态朝展平状态切换时,第一齿轮连杆152和第二齿轮连杆162相背离运动,相对主体14转动的第一齿轮连杆152带动第一壳体连杆151运动,随第一壳体连杆151一起运动的支撑杆151d可以伸入安装孔152d内,以使弹性件201a的端部与安装孔152d抵接,处于蓄能状态,从而对第一壳体连杆151施加远离第一齿轮连杆152方向的弹性推力。
可以这样理解图32给出的第一推屏结构201的推屏过程,不仅在电子设备处于展平状态时,第一齿轮连杆152可以通过第一推屏结构201给第一壳体连杆151施加弹力,消除柔性屏褶皱,在电子设备处于中间状态或者接近展平状态时,也可以给第一壳体连杆151施加弹力,这样的话,可以使得电子设备在处于接近展平时,柔性屏在 推力作用下处于展平状态,减轻褶皱。
在上述第一齿轮连杆152和第一壳体连杆151的连接关系中,描述了第一齿轮连杆152和第一壳体连杆151滑动配合连接,再加上第一齿轮连杆152和第一壳体连杆151的配合位置处还需要设置第一推屏结构201,为了简化结构,简化装配工艺,可以将用于滑动连接第一齿轮连杆152和第一壳体连杆151的结构,以及第一推屏结构201集成设置,见图32所示,支撑杆151d设置在镶嵌槽151b内,第一齿轮连杆152滑动设置在镶嵌槽151b内,支撑杆151d的延伸方向与第一齿轮连杆152和第一壳体连杆151相对滑动的方向一致,安装孔152d开设在第一齿轮连杆152的与支撑杆151d相对的面上。如此设计的话,可以明显的简化连接结构,避免这些结构占用较多的空间,或者复杂装配工艺。
结合图31,本申请的转轴机构100还可以设置第二推屏结构202,第二推屏结构202设置在第二齿轮连杆162和第二壳体连杆161相配合的位置处。第二推屏结构202可以采用图32所示的第一推屏结构。
在一些设计中,可以将第一推屏结构201和第二推屏结构202关于主体14对称布设,以提升整个柔性屏的平整度。
本申请给出的电子设备在折叠时,可能需要柔性屏处于某一位置时悬停,以提升用户体验感,所以,本申请给出的转轴机构中还包括阻尼结构。比如,当电子设备处于展平状态时,需要通过阻尼结构给承载有柔性屏400的第一壳体200和第二壳体300施加展平力,使得柔性屏400保持在展平状态;再比如,当电子设备处于闭合状态时,需要通过阻尼结构给第一壳体200和第二壳体300施加闭合力,使得柔性屏400保持在闭合状态。
本申请给出的阻尼结构包括第一阻尼结构301和第二阻尼结构302,其中,第一阻尼结构301用于给第一壳体200施加阻尼,第二阻尼结构302用于给第二壳体300施加阻尼,下面以第一阻尼结构301为例解释其构成部分,第二阻尼结构302可以参照第一阻尼结构301的设计。
在一些可实现的方式中,第一阻尼结构301可以设置在第一壳体连杆151和主体14之间,在第一壳体连杆151带动第一门板12相对主体14转动时,第一阻尼结构301用于给第一壳体连杆151施加阻力,又因为承载有柔性屏400的第一壳体200与第一壳体连杆151相对固定,那么当第一阻尼结构301给第一壳体连杆151施加阻力时,就会使得承载有柔性屏400的第一壳体200悬停在某一位置。
图33示出了一种第一阻尼结构301的结构图,具体结构见图33,第一阻尼结构301包括第一凸轮连杆301a、第一凸轮301b、第一阻尼销轴301c和第一阻尼弹性件301d;其中,第一阻尼销轴301c固定在主体14上,且第一阻尼销轴301c的延伸方向与第一齿轮连杆152相对主体14的旋转轴线的方向一致,第一凸轮301b滑动设置在第一阻尼销轴301c上,第一凸轮连杆301a靠近主体14的一端转动安装在第一阻尼销轴301c上,第一凸轮连杆301a远离主体14的一端与第一壳体连杆151滑动连接,第一阻尼弹性件301d套设在第一阻尼销轴301c上。
也就是说,当第一壳体连杆151转动时,通过第一凸轮连杆301a与第一壳体连杆151的滑动连接,可以带动第一凸轮连杆301a相对主体14转动。
图34给出了图33的第一阻尼结构301的阻尼原理结构图,其中,如图34所示,第一凸轮连杆301a的靠近第一凸轮301b的一端具有与第一凸轮301b相对的第一阻尼面A1面和第二阻尼面A2面,第一凸轮301b具有与第一凸轮连杆301a相对的第三阻尼面B1面和第四阻尼面B2面。一并结合图33和图34,在第一壳体连杆151带动第一凸轮连杆301a转动至第一位置时,第一阻尼面A1面与第三阻尼面B1面抵接,且第一阻尼弹性件301d处于蓄能状态,从而对第一凸轮连杆301a产生挤压力f1,挤压力f1可以使得第一凸轮连杆301a产生图33所示的展平力f11,这样的话,由于第一凸轮连杆301a与第一壳体连杆151滑动配合,因此第一壳体连杆151就会受到第一凸轮连杆301a施加的展平力f11,第一壳体连杆151在展平力f11的作用下,会对第一壳体200产生展平力,最终可以给柔性屏400施加展平力,保持悬停的展平状态。
图35给出了电子设备处于闭合状态时,第一阻尼结构301的结构图,图36给出了电子设备处于闭合状态时,第一阻尼结构301的阻尼原理结构图。具体的,第一壳体连杆151带动第一凸轮连杆301a转动至第二位置时,第二阻尼面A2面与第四阻尼面B2面抵接,且第一阻尼弹性件301d处于蓄能状态,从而对第一凸轮连杆301a产生挤压力f2,挤压力f2可以使得第一凸轮连杆301a产生图35所示的闭合力f21,这样的话,由于第一凸轮连杆301a与第一壳体连杆151滑动配合,因此第一壳体连杆151就会受到第一凸轮连杆301a施加的闭合力f21,第一壳体连杆151在闭合力f21的作用下,会对第一壳体200产生闭合力,最终可以使柔性屏保持悬停的闭合状态。
图37给出了一种第一凸轮连杆301a的可实现结构,并且图37示出的是第一凸轮连杆301a和第一凸轮301b的爆炸图。在该图37中,第一凸轮连杆301a包括:凸轮部301a1、第一连杆部301a2和第二连杆部301a3。一并结合图35和图37,凸轮部301a1转动安装在第一阻尼销轴301d上,第一阻尼面A1和第二阻尼面A2形成在凸轮部301a1的朝向第一凸轮301b的面上,还有,第一连杆部301a2和第二连杆部301a3相平行布设,且第一连杆部301a2的一端和第二连杆部301a3的一端均与凸轮部301a1连接,第一连杆部301a2的另一端和第二连杆部301a3的另一端均与第一壳体连杆151滑动连接。
当采用图37所示的包含第一连杆部301a2和第二连杆部301a3的第一凸轮连杆301a时,这里的第一连杆部301a2和第二连杆部301a3均可以对第一壳体连杆151施加作用力,从而,可以使得柔性屏稳定的处于悬停位置。
为了实现第一凸轮连杆301a与第一壳体连杆151滑动连接,在一些设计中,见图37,可以在第一连杆部301a2和第二连杆部301a3的靠近第一壳体连杆151的端部均形成滑块301a4,如图38所示,可以在第一壳体连杆151的相对应位置处开设滑槽151e,并且,滑槽151e具有第一抵接面151e1和第二抵接面151e2。
结合图38和图34,当第一阻尼面A1与第三阻尼面B1抵接,以产生挤压力f1时,位于滑槽151e内的滑块301a4与第一抵接面151e1抵接,以对第一壳体连杆151施加图33所示的力f11。同理的,结合图38和图36,当第二阻尼面A2与第四阻尼面B2抵接,以产生挤压力f2时,位于滑槽151e内的滑块301a4与第二抵接面151e2抵接,以对第一壳体连杆151施加图35所示的力f21。
在图37所示的第一凸轮连杆301a结构中,凸轮部301a1、第一连杆部301a2和第 二连杆部301a3,以及滑块301a4可以通过一体成型工艺形成,也可以是通过连接件连接,比如,可以采用螺纹连接件或者粘结胶将凸轮部301a1、第一连杆部301a2和第二连杆部301a3,以及滑块301a4连接于一起。
图39中示出了包含第一阻尼结构301和第二阻尼结构302的转轴机构100的部分结构图。其中,第二阻尼结构302和第一阻尼结构301类似,也包括第二凸轮连杆302a、第二凸轮302b、第二阻尼销轴302c和第二阻尼弹性件302d;其中,第二阻尼销轴302c和第一阻尼销轴301c一样也固定在主体14上,且第二阻尼销轴302c的延伸方向与第一阻尼销轴301c的延伸方向一致,第二凸轮302b滑动设置在第二阻尼销轴302c上,第二凸轮连杆302a靠近主体14的一端转动安装在第二阻尼销轴302c上,第二凸轮连杆302a远离主体14的一端与第二壳体连杆161滑动连接,第二阻尼弹性件302d套设在第二阻尼销轴302c上。
对于图39所示的第二阻尼结构302的阻尼原理可以按照上述对第一阻尼结构301的阻尼原理,在此不再赘述。
另外,在一些设计中,可以将第一阻尼结构301中的第一凸轮301b和第二阻尼结构302的第二凸轮302b相连接,比如,可以通过图39中的连杆303相连接。这样设计的话,可以实现对第一壳体200和第二壳体300的阻尼对称。
在一些实施方式中,第一凸轮301b和第二凸轮302b,以及连杆303可以通过一体成型工艺形成。当然,也可以采用其他连接结构相连接。
继续见图39,不仅包括第一阻尼销轴301c和第二阻尼销轴302c,还可以包括第三阻尼销轴304和第四阻尼销轴305,或者更多的阻尼销轴,每一个阻尼销轴上均设置有阻尼弹性件。通过设置多个阻尼销轴,可以促使相连接的第一凸轮301b和第二凸轮302b平衡、稳定的移动。另外,由于每一个阻尼销轴上均设置阻尼弹性件,进而,可以对第一凸轮连杆301a和第二凸轮连杆301a施加较大的挤压力,促使柔性屏400稳定的处于悬停位置,提升中间状态的开合体验。
如图40,图40示出的是电子设备的爆炸图,本申请给出的电子设备中,还包括装饰盖21,上述转轴机构100的主体14固定在装饰盖21上。如图41和图42所示,图41示出的是电子设备处于展平状态时的结构图,图42示出的是电子设备处于闭合状态时的结构图,一并结合图41和图42,当第一壳体200和第二壳体300展开后,第一壳体200的端面靠近第二壳体300的端面,包含有装饰盖21的转轴机构100被隐藏在第一壳体200和第二壳体300内,也就是说,从电子设备的外观是无法看到转轴机构100,这样会提升该移动终端的外形美观度。如图42,当第一壳体200和第二壳体300折叠处于闭合状态时,转轴机构100的装饰盖21露出,弥补了第一壳体200和第二壳体300之间的缝隙,这样也保障了电子设备的外形美观度。即不论电子设备处于闭合状态,还是处于展平状态,内部结构均是被隐藏的,整个结构的外形完整,美观度较好。
在本说明书的描述中,具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换, 都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以所述权利要求的保护范围为准。

Claims (17)

  1. 一种转轴机构,其特征在于,包括:
    主体;
    第一门板、第二门板和中间门板,所述第一门板、所述第二门板和所述中间门板位于所述主体的同一侧,且所述第一门板和所述第二门板相对设置在所述中间门板的两侧;
    第一连杆组件和第二连杆组件,所述第一连杆组件和所述第二连杆组件相对设置在所述主体的两侧;
    第一啮合传动结构和第二啮合传动结构;
    所述第一连杆组件包括:第一壳体连杆、第一齿轮连杆和第一副连杆;
    所述第一齿轮连杆靠近所述主体的一端与所述主体转动连接,所述第一齿轮连杆远离所述主体的一端与所述第一壳体连杆滑动连接,所述第一齿轮连杆靠近所述中间门板的一端还通过所述第一啮合传动结构与所述中间门板啮合连接,所述第一门板的一端与所述第一壳体连杆转动连接,所述第一门板的另一端与所述第一副连杆的一端转动连接,所述第一副连杆的另一端与所述主体转动连接,且所述第一副连杆与所述中间门板滑动连接;
    所述第二连杆组件包括:第二壳体连杆、第二齿轮连杆和第二副连杆;
    所述第二齿轮连杆靠近所述主体的一端与所述主体转动连接,所述第二齿轮连杆远离所述主体的一端与所述第二壳体连杆滑动连接,所述第二齿轮连杆靠近所述中间门板的一端还通过所述第二啮合传动结构与所述中间门板啮合连接,所述第二门板的一端与所述第二壳体连杆转动连接,所述第二门板的另一端与所述第二副连杆的一端转动连接,所述第二副连杆的另一端与所述主体转动连接,且所述第二副连杆与所述中间门板滑动连接;
    所述第一齿轮连杆和所述第二齿轮连杆相向转动时,通过啮合连接的所述第一齿轮连杆和所述中间门板,以及啮合连接的所述第二齿轮连杆和所述中间门板,带动所述中间门板朝靠近所述主体的方向移动,且所述第一壳体连杆带动所述第一门板的靠近所述主体的一端沿远离所述主体的方向运动,所述第二壳体连杆带动所述第二门板的靠近所述主体的一端沿远离所述主体的方向运动;
    所述第一齿轮连杆和所述第二齿轮连杆相背离转动时,通过啮合连接的所述第一齿轮连杆和所述中间门板,以及啮合连接的所述第二齿轮连杆和所述中间门板,带动所述中间门板朝远离所述主体的方向移动,且所述第一壳体连杆带动所述第一门板的靠近所述主体的一端沿靠近所述主体的方向运动,所述第二壳体连杆带动所述第二门板的靠近所述主体的一端沿靠近所述主体的方向运动。
  2. 根据权利要求1所述的转轴机构,其特征在于,所述转轴机构还包括:第一推屏结构;
    在所述第一齿轮连杆和所述第二齿轮连杆相背离转动,带动所述第一门板和所述第二门板相背离转动时,所述第一推屏结构用于对所述第一壳体连杆施加远离所述第一齿轮连杆方向的推力。
  3. 根据权利要求2所述的转轴机构,其特征在于,所述第一推屏结构包括:
    开设在所述第一齿轮连杆内的安装孔,和形成在所述第一壳体连杆上的且能够伸入所述安装孔内的支撑杆;
    所述第一推屏结构还包括弹性件,且所述弹性件的一端套设在所述支撑杆上;
    在所述第一门板和所述第二门板相背离转动时,所述支撑杆能够伸入所述安装孔内,且所述弹性件的另一端与所述安装孔抵接,以对所述第一壳体连杆施加远离所述第一齿轮连杆方向的弹性推力。
  4. 根据权利要求3所述的转轴机构,其特征在于,所述第一壳体连杆上开设有镶嵌槽,所述第一齿轮连杆滑动设置在所述镶嵌槽内,所述支撑杆设置在所述镶嵌槽内,且所述支撑杆的延伸方向与所述第一齿轮连杆和所述第一壳体连杆相对滑动的方向一致,所述安装孔开设在所述第一齿轮连杆的与所述支撑杆相对的面上。
  5. 根据权利要求1-4中任一项所述的转轴机构,其特征在于,
    所述第一啮合传动结构包括:形成在所述第一齿轮连杆靠近所述中间门板的一端的第一齿轮,和形成在所述中间门板上且与所述第一齿轮外啮合的第一齿条;
    和/或,
    所述第二啮合传动结构包括:形成在所述第二齿轮连杆靠近所述中间门板的一端的第二齿轮,和形成在所述中间门板上且与所述第二齿轮外啮合的第二齿条;
    其中,所述第一齿轮的旋转轴线与所述第一齿轮连杆的旋转轴线平行,所述第二齿轮的旋转轴线与所述第二齿轮连杆的旋转轴线平行,所述第一齿条的延伸方向和所述第二齿条的延伸方向均与所述中间门板的长度方向相垂直。
  6. 根据权利要求1-5中任一项所述的转轴机构,其特征在于,所述转轴机构还包括:
    导向结构,所述导向结构用于引导所述中间门板相对所述主体沿与所述中间门板的长度方向相垂直的方向移动。
  7. 根据权利要求6所述的转轴机构,其特征在于,所述导向结构包括:
    开设在所述主体内的导向孔和滑动设置在所述导向孔内的导向块;
    所述导向孔沿与所述中间门板的长度方向相垂直的方向延伸;
    所述导向块与所述中间门板固定。
  8. 根据权利要求1-7中任一项所述的转轴机构,其特征在于,所述转轴机构还包括:第一阻尼结构,所述第一阻尼结构设置在所述第一壳体连杆和所述主体之间;
    所述第一阻尼结构靠近所述第一壳体连杆的一端与所述第一壳体连杆滑动连接,所述第一阻尼结构靠近所述主体的一端与所述主体转动连接;
    在所述第一壳体连杆带动所述第一门板相对所述主体转动时,所述第一阻尼结构用于给所述第一壳体连杆施加阻力。
  9. 根据权利要求8所述的转轴机构,其特征在于,所述第一阻尼结构包括:
    第一凸轮连杆、第一凸轮、第一阻尼销轴和第一阻尼弹性件;
    所述第一阻尼销轴固定在所述主体上,且所述第一阻尼销轴的延伸方向与所述第一齿轮连杆相对所述主体的旋转轴线的方向一致;
    所述第一凸轮滑动设置在所述第一阻尼销轴上;
    所述第一凸轮连杆靠近所述主体的一端转动安装在所述第一阻尼销轴上,所述第一凸轮连杆远离所述主体的一端与所述第一壳体连杆滑动连接,且所述第一凸轮连杆 的靠近所述主体的一端具有与所述第一凸轮相对的第一阻尼面和第二阻尼面,所述第一凸轮具有第三阻尼面和第四阻尼面;
    所述第一阻尼弹性件套设在第一阻尼销轴上;
    在所述第一壳体连杆带动所述第一凸轮连杆转动至所述第一阻尼面与所述第三阻尼面抵接时,所述第一阻尼弹性件处于蓄能状态,以对所述第一凸轮连杆产生使得所述第一门板展平的力;
    在所述第一壳体连杆带动第一凸轮连杆转动至所述第二阻尼面与所述第四阻尼面抵接时,所述第一阻尼弹性件处于蓄能状态,对所述第一凸轮连杆产生使得所述第一门板闭合的力。
  10. 根据权利要求9所述的转轴机构,其特征在于,
    所述第一凸轮连杆包括:
    凸轮部,转动安装在所述第一阻尼销轴上;
    第一连杆部和第二连杆部,所述第一连杆部和所述第二连杆部相平行布设,且所述第一连杆部的一端和所述第二连杆部的一端均与所述凸轮部连接,所述第一连杆部的另一端和所述第二连杆部的另一端均与所述第一壳体连杆滑动连接。
  11. 根据权利要求1-10中任一项所述的转轴机构,其特征在于,所述第一幅连杆具有相对的第一面和第二面;
    所述第一面的靠近所述第一门板的位置处设置有第一转轴,所述第一门板的相对所述主体的一面且靠近所述第一副连杆的位置处设置有第一转孔,所述第一转轴相对所述第一转孔转动,实现所述第一门板和所述第一副连杆的转动连接;
    所述第一面的靠近所述主体的位置处设置有第二转轴,所述主体的靠近所述第一副连杆的位置处设置有第二转孔,所述第二转轴相对所述第二转孔转动,实现所述主体和所述第一副连杆的转动连接。
  12. 根据权利要求11所述的转轴机构,其特征在于,所述第二面上开设有轨迹槽,所述中间门板的靠近所述第一副连杆的位置处设置有滑动销,所述滑动销相对所述轨迹槽滑动,实现所述中间门板和所述第一副连杆的滑动连接。
  13. 根据权利要求1-12中任一项所述的转轴机构,其特征在于,所述第一门板的相对所述主体的一面具有朝所述第一壳体连杆延伸的第一门板弧形凸块,所述第一壳体连杆上开设有用于装配所述第一门板弧形凸块的第一弧形卡槽,所述第一门板弧形凸块相对所述第一弧形卡槽滑动,实现所述第一门板和所述第一壳体连杆的转动连接。
  14. 根据权利要求1-13中任一项所述的转轴机构,其特征在于,所述第一齿轮连杆和所述第二齿轮连杆相背离转动,带动所述第一门板和所述第二门板相背离转动至第一位置时,所述第一门板、所述中间门板和所述第二门板处于同一平面以形成支撑面。
  15. 根据权利要求1-14中任一项所述的转轴机构,其特征在于,所述第一齿轮连杆和所述第二齿轮连杆相向转动,带动所述第一门板和所述第二门板相向转动至第二位置时,所述第一门板、所述中间门板和所述第二门板围城容屏空间。
  16. 一种电子设备,其特征在于,包括:
    第一壳体、第二壳体、柔性屏和如权利要求1~15任一项所述的转轴机构;
    其中,所述第一壳体与所述第一壳体连杆固定连接,所述第二壳体与所述第二壳 体连杆固定连接;
    所述第一壳体包括第一表面,所述第二壳体包括第二表面,所述柔性屏连续覆盖于所述第一壳体的第一表面、所述转轴机构以及所述第二壳体的第二表面,且所述柔性屏分别与所述第一壳体的第一表面和所述第二壳体的第二表面固定连接。
  17. 如权利要求16所述的电子设备,其特征在于,所述柔性屏包括连续设置的第一区域、第二区域、第三区域、第四区域和第五区域;
    所述第一区域与所述第一壳体的第一表面固定连接;所述第二区域与所述第一门板的朝向所述柔性屏的表面固定连接;所述第三区域与所述中间门板相对设置,且所述第三区域能够相对所述中间门板移动;所述第四区域与所述第二门板的朝向所述柔性屏的表面固定连接;所述第五区域与所述第二壳体的第二表面固定连接。
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