WO2023071950A1 - 转轴机构和电子设备 - Google Patents
转轴机构和电子设备 Download PDFInfo
- 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
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- WO
- WIPO (PCT)
- Prior art keywords
- door panel
- connecting rod
- main body
- link
- housing
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 137
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 238000013016 damping Methods 0.000 claims description 153
- 238000009434 installation Methods 0.000 claims description 13
- 238000004146 energy storage Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 60
- 238000000034 method Methods 0.000 description 22
- 238000005452 bending Methods 0.000 description 11
- 230000004308 accommodation Effects 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 5
- 230000037303 wrinkles Effects 0.000 description 5
- 229920001621 AMOLED Polymers 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002096 quantum dot Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
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
Description
Claims (17)
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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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