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WO2022262684A1 - 折叠转轴结构及折叠电子设备 - Google Patents

折叠转轴结构及折叠电子设备 Download PDF

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Publication number
WO2022262684A1
WO2022262684A1 PCT/CN2022/098452 CN2022098452W WO2022262684A1 WO 2022262684 A1 WO2022262684 A1 WO 2022262684A1 CN 2022098452 W CN2022098452 W CN 2022098452W WO 2022262684 A1 WO2022262684 A1 WO 2022262684A1
Authority
WO
WIPO (PCT)
Prior art keywords
cam
connecting rod
camshaft
friction plate
elastic member
Prior art date
Application number
PCT/CN2022/098452
Other languages
English (en)
French (fr)
Inventor
谢志
吴伟峰
詹强
刘勇
石拓
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2022262684A1 publication Critical patent/WO2022262684A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681Details related solely to hinges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/10Arrangements for locking
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1626Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]

Definitions

  • the present application relates to the technical field of folding screens, in particular to a folding hinge structure and a folding electronic device.
  • Folding electronic products (such as folding mobile phones, folding tablets, folding computers and other electronic equipment) need to meet high reliability and better operating experience.
  • folding electronic devices need to have a certain damping or hovering function during the bending process.
  • the folding shaft structure is the core mechanism to realize folding.
  • the current folding shaft structure design has poor hand feeling when opened. The problem of not being able to bring a better experience to consumers. How to design a damping mechanism to achieve a better user experience is an urgent problem to be solved.
  • the present application provides a folding shaft structure with a damping effect and a folding electronic device.
  • the folding or opening process is provided with damping, which can ensure the stability of the flexible screen and has a simple structure.
  • the embodiment of the present application provides a folding shaft structure, including: a coaxially rotating first cam link assembly, including a symmetrically arranged first link and a second link, the first link and the The second connecting rod can rotate relative to each other; it also includes a first cam group; the first cam group includes a first cam, a third cam opposite to the first cam, a second cam and the second cam A fourth cam opposite to the cam; wherein, the second end of the first connecting rod is fixed with the third cam that rotates coaxially with the first connecting rod, and the second end of the second connecting rod is fixed There is the fourth cam coaxially rotating with the second connecting rod, and the third cam and the fourth cam are located on the same side of the first cam-link assembly; the first cam and the The second cam does not rotate with the first connecting rod and the second connecting rod; the second cam connecting rod assembly includes a symmetrically arranged third connecting rod and a fourth connecting rod, and the third connecting rod and the The fourth connecting rod can rotate relative to each other, and the third connecting rod rotate
  • the first synchronous assembly includes a first drive gear and a second drive gear, the first drive gear is fixed on the second end of the first connecting rod, and the first drive gear is arranged on the second drive gear.
  • Three cams are on the side away from the first cam; the second drive gear is fixed on the second end of the second connecting rod, and the second drive gear is arranged on the fourth cam away from the second cam
  • the second synchronous assembly includes a third drive gear and a fourth drive gear, and the third drive gear is fixed to the third connecting rod
  • the second end of the fourth drive gear is fixed to the second end of the fourth connecting rod, and the third drive gear and the fourth drive gear mesh with each other;
  • the elastic drive assembly is used to provide elastic drive force so that the first cam and the third cam, as well as the second cam and the fourth cam can approach each other along the rotation axis direction of the rotational connection between the first connecting rod and the second connecting rod;
  • the damping assembly includes a damping bracket, the damping bracket, the damping bracket, the damping bracket, the
  • the damping assembly is driven by the elastic driving assembly to form a friction pair with the first cam link assembly and the second cam link assembly, thereby generating rotation
  • the damping force can bring damping effect to the user when opening or closing.
  • the elastic driving assembly includes a first abutment plate, a first camshaft, a first elastic member, a second camshaft and a second elastic member; the first camshaft passes through the The first connecting rod and the third connecting rod, the second camshaft passes through the second connecting rod and the fourth connecting rod, so that the first connecting rod and the second connecting rod are opposite to each other.
  • the third connecting rod and the fourth connecting rod rotate relative to each other;
  • the first camshaft also passes through the first cam and the damping bracket, and the second camshaft also passes through the the second cam and the damping bracket;
  • the first abutting plate is located at the end of the first camshaft and the second camshaft away from the first cam and the second cam;
  • the first The elastic member is sleeved on the first camshaft, and the two ends of the first elastic member elastically resist the side of the first cam away from the third cam and the first abutting plate respectively;
  • the second elastic member is sheathed on the second camshaft, and the two ends of the second elastic member elastically abut against the side of the second cam away from the fourth cam and the first abutting plate respectively.
  • the elastic driving assembly can drive the first cam and the third cam, and the second cam and the fourth cam along the first link and the second link
  • the rotation axis directions between them are close to each other.
  • the second cam link assembly further includes a second cam group
  • the folding shaft structure further includes a limiting plate
  • the second cam group includes a fifth cam
  • the fifth cam The seventh cam, the sixth cam and the eighth cam opposite to the sixth cam are arranged opposite to the cam; the second end of the third connecting rod is fixed with the The seventh cam, the second end of the fourth connecting rod is fixed with the eighth cam that rotates coaxially with the fourth connecting rod, and the seventh cam and the eighth cam are located on the second
  • the fifth cam and the sixth cam do not rotate with the third connecting rod and the fourth connecting rod, and the limiting piece is located between the first camshaft and the The second camshaft is away from one end of the fifth cam and the sixth cam, and the sides of the fifth cam and the sixth cam opposite to the seventh cam and the eighth cam are all abutted against the The limit piece.
  • the embodiment of the present application can bring damping effect to the user when opening or closing.
  • the first synchronizing assembly further includes two first synchronizing gears, and the two first synchronizing gears are arranged between the first driving gear and the second driving gear, adjacent to each other.
  • the first driving gear, the two first synchronizing gears mesh with the second driving gear;
  • the second synchronizing assembly also includes two second synchronizing gears, the third driving gear and the The two second synchronous gears are arranged between the fourth driving gears, and the adjacent third driving gears, the two second synchronizing gears and the fourth driving gears mesh with each other.
  • the second synchronous gear can make the third link and the fourth link in the second cam-link assembly move synchronously, so as to maintain the synchronicity of the folding shaft structure and the folding electronic device.
  • the elastic drive assembly also includes a third camshaft, a third elastic member, a fourth camshaft and a fourth elastic member;
  • the third camshaft passes through the first connecting plate, one of the first synchronous gear, the damping bracket, one of the second synchronous gear and the second connecting plate;
  • the fourth camshaft passes through the first connecting plate, the other of the first synchronizing gear, and the damping bracket , the other second synchronous gear and the second connecting plate;
  • the third elastic member is sleeved on the third camshaft, and the two ends of the third elastic member are respectively connected to the first The side of the plate away from the third cam is elastically resisted by the resisting plate;
  • the fourth elastic member is sleeved on the fourth camshaft, and the two ends of the fourth elastic member are respectively connected to the first A side of
  • the damping assembly further includes a third cam group
  • the damping bracket includes a ninth cam and a tenth cam
  • the third cam group includes a tenth cam set opposite to the ninth cam.
  • the second end of the fourth connecting rod is fixed with the eleventh cam that rotates coaxially with the third connecting rod, and the second end of the fourth connecting rod is fixed with the first cam that rotates coaxially with the fourth connecting rod.
  • the second end of the first connecting rod is fixed with the eleventh cam that rotates coaxially with the first connecting rod
  • the second end of the second connecting rod is fixed with the eleventh cam that is coaxial with the first connecting rod.
  • the twelfth cam that the second connecting rod rotates coaxially.
  • the damping assembly further includes a third cam group, the third cam group includes a ninth cam, a tenth cam, a fifteenth cam, and a sixteenth cam, and the damping bracket includes a A double-sided cam and a second double-sided cam, the first double-sided cam is located between the ninth cam and the fifteenth cam, and the second double-sided cam is located between the tenth cam and the fifteenth cam between the sixteenth cams, the first double-sided cam includes an eleventh cam opposite to the ninth cam and a thirteenth cam opposite to the fifteenth cam, and the second double-sided
  • the fifteenth cam rotates on the shaft, and the sixteenth cam that rotates coaxially with the fourth connecting rod is fixed on the second end of the fourth connecting rod. Based on such a design, the embodiment of the present application can bring damping effect to the user when opening or closing.
  • the damping assembly rotating coaxially further includes a first friction plate, a second friction plate and a third friction plate; the first friction plate is sleeved on the first camshaft, the On the second camshaft, the third camshaft and the fourth camshaft, and the first friction plate is close to the first driving gear and the second driving gear; the first end of the second friction plate Sleeved on the first connecting rod pin, the second end of the second friction plate is sleeved on the first camshaft, and the second end of the second friction plate is located at the first Between the friction plate and the damping bracket; the first end of the third friction plate is sleeved on the second connecting rod pin, and the second end of the third friction plate is sleeved on the second on the camshaft, and the second end of the third friction plate is located between the first friction plate and the damping bracket. Based on such a design, the damping force of the foldable electronic device during rotation can be improved, and a damping effect can be brought to
  • the damping assembly further includes a fourth friction plate, a fifth friction plate and a sixth friction plate; the fourth friction plate is sleeved on the first camshaft, the second camshaft Shaft, the third camshaft and the fourth camshaft; the fourth friction plate is set close to the third drive gear and the fourth drive gear; the first end of the fifth friction plate is sleeved on On the first connecting rod pin shaft, the second end of the fifth friction plate is sleeved on the first camshaft, and the second end of the fifth friction plate is located between the fourth friction plate and the between the damping brackets; the first end of the sixth friction plate is sleeved on the second connecting rod pin, the second end of the sixth friction plate is sleeved on the second camshaft, The second end of the sixth friction plate rotates coaxially between the fourth friction plate and the damping bracket. Based on such a design, the damping force of the foldable electronic device during rotation can be improved, and a damping effect can
  • the elastic drive assembly further includes a fifth elastic member, a sixth elastic member and a second resisting plate;
  • the fifth elastic member is sleeved on the first camshaft, and the The two ends of the fifth elastic member elastically abut against the side of the fifth cam opposite to the seventh cam and the second abutting plate respectively, so as to abut against the limiting piece;
  • the sixth The elastic member is sleeved on the second camshaft, and the two ends of the sixth elastic member elastically abut against the side of the sixth cam opposite to the eighth cam and the second abutting plate respectively. , to bear against the limiting piece.
  • the elastic drive assembly further includes a fifth elastic piece, a sixth elastic piece, a seventh elastic piece, an eighth elastic piece and a second abutment plate;
  • the fifth elastic piece is sleeved on On the first camshaft, the two ends of the fifth elastic member elastically abut against the side of the fifth cam opposite to the seventh cam and the second abutting plate respectively, so as to abut against The limit piece;
  • the sixth elastic member is sleeved on the second camshaft, and the two ends of the sixth elastic member are respectively connected to the side of the sixth cam opposite to the eighth cam and
  • the second resisting plate is elastically resisted to resist against the limiting piece;
  • the seventh elastic member is sleeved on the third camshaft, and the two ends of the seventh elastic member are respectively connected to the The side of the second connecting plate away from the seventh cam is elastically abutted against the second abutting plate to abut against the limiting piece;
  • the eighth elastic member is sleeve
  • the damping assembly further includes a first friction plate, a second friction plate, a third friction plate, a fourth friction plate, a fifth friction plate and a sixth friction plate;
  • the second friction plate and the second friction plate are sleeved on one end of the first camshaft, the second cam, the third camshaft and the fourth camshaft away from the first cam and the second cam;
  • the fifth friction plate and the sixth friction plate are sleeved on the first camshaft, the second camshaft, the third camshaft and the fourth camshaft away from the fifth camshaft and one end of the sixth cam; one end of the first camshaft, the second camshaft, the third camshaft and the fourth camshaft is respectively sleeved with a first friction plate, and the The first friction plate is located between the second friction plate and the third friction plate; the first camshaft, the second camshaft, the third camshaft and the fourth camshaft A fourth friction plate is sheathed on the other end, and the fourth friction
  • the two ends of the third elastic member elastically resist the surface of the third friction plate and the first connecting plate away from the third cam respectively; the fourth elastic member The two ends of the third friction plate and the side of the first connecting plate away from the fourth cam are respectively elastically resisted; the two ends of the seventh elastic member are respectively in contact with the sixth friction plate and the The side of the second connecting plate facing away from the seventh cam elastically resists; the two ends of the eighth elastic member respectively elastically resist against the side of the sixth friction plate and the second connecting plate facing away from the eighth cam. hold.
  • the first connecting rod when the first connecting rod rotates, it drives the first camshaft and the second camshaft to rotate together.
  • the first connecting rod when the first connecting rod rotates, it drives the first camshaft, the second camshaft, the third camshaft and the fourth camshaft to rotate together.
  • the embodiment of the present application also provides a folding shaft structure, including: a first limiting piece; a coaxially rotating first cam link assembly, including symmetrically arranged first and second links, so The first connecting rod and the second connecting rod can rotate relative to each other; it also includes a first cam group; the first cam group includes a first cam, a third cam opposite to the first cam, a second cam Two cams and a fourth cam opposite to the second cam; wherein, the second end of the first connecting rod is fixed with the first cam rotating coaxially with the first connecting rod, and the first connecting rod The second end of the two connecting rods is fixed with the second cam that rotates coaxially with the second connecting rod, and the first cam and the second cam are located on the same side of the first cam-link assembly ; the second cam link assembly includes a third link and a fourth link arranged symmetrically, the third link and the fourth link can rotate relative to each other, and the third link and the fourth link The first connecting rod rotates coaxially, the fourth connecting rod rotates
  • the side of the six cams away from the eighth cam is elastically resisted; the first camshaft passes through the first limiting piece, the first connecting rod and the third connecting rod, and the first camshaft also passes through the The first cam and the third cam are provided; the second camshaft is provided with a first limit piece, the second connecting rod and the fourth connecting rod, the second camshaft also passes through the second cam and the fourth cam, and the first limiting piece does not follow the first connecting rod The rod and the second link rotate.
  • the first connecting plate and the second connecting plate can move to the middle position. Based on this design, it is also possible to Brings a damping effect to the user when opening and closing.
  • the folding shaft structure further includes a second limiting piece; the second limiting piece is sleeved on the second ends of the first camshaft and the second camshaft, so The second limit does not rotate with the third connecting rod and the fourth connecting rod. Based on this design, the damping force can be increased to improve the damping effect.
  • the embodiments of the present application also provide a foldable electronic device, including a flexible screen, a first casing, and a second casing, and the foldable electronic device further includes the folding shaft structure as described above; the first A housing and the second housing rotate relatively or reversely through the folding shaft structure; the first housing includes a first surface, the second housing includes a second surface, and the flexible screen is continuous Covering the first surface of the first casing, the folding shaft structure and the second surface of the second casing, and the flexible screen is respectively connected to the first surface of the first casing and the The second surface of the second shell is fixedly connected.
  • the folding shaft structure and the folding electronic device provided by the present application are provided with a damping assembly in the folding shaft structure, and the damping assembly is driven by the elastic drive assembly to form a friction pair with the first cam link assembly and the second cam link assembly , and then generate a rotational damping force, which can bring a damping effect to the user when opening or closing.
  • FIG. 1 is a schematic diagram of a foldable electronic device provided by an embodiment of the present application.
  • Fig. 2 is a schematic diagram of the structure of the folding hinge in the embodiment of the present application.
  • FIG. 3 is a schematic disassembly diagram of the folding hinge structure of the embodiment of the present application.
  • FIG. 4 is another disassembled schematic diagram of the folding hinge structure of the embodiment of the present application.
  • FIG. 5 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • FIG. 6 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 7 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • FIG. 8 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • FIG. 9 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 10 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 11 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 12 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 13 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 14 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 15 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 16 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 17 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 18 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 19 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • FIG. 20 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • Fig. 21 is a schematic diagram of another embodiment of the folding hinge structure of the present application.
  • FIG. 1 is a schematic structural diagram of a foldable electronic device 100 provided in an embodiment of the present application.
  • the foldable electronic device 100 may be at least one of a foldable mobile phone, a foldable tablet, a foldable computer, a foldable notebook, a vehicle-mounted mobile device, and an electronic device equipped with a flexible foldable display screen.
  • the foldable electronic device 100 may be a foldable mobile phone, and its folding manner may be inner folding or outer folding.
  • the foldable electronic device 100 may include a foldable hinge structure 10 , a first housing 20 , a second housing 30 and a flexible screen 40 .
  • the opposite sides of the foldable electronic device 100 are connected to the first housing 20 and the second housing 30 respectively, so that the first housing 20 and the second housing 30 can rotate relatively or reversely through the folding shaft structure 10 , to switch between the flattened state and the collapsed state.
  • the flexible screen 40 is disposed on the first casing 20 , the folding hinge structure 10 and the second casing 30 .
  • the first casing 20 includes a first surface
  • the second casing 30 includes a second surface
  • the flexible screen 40 continuously covers the first surface of the first casing 20, the folded
  • the rotating shaft structure 10 and the second surface of the second housing 30 , and the flexible screen 40 are respectively fixedly connected to the first surface of the first housing 20 and the second surface of the second housing 30 .
  • the flexible screen 40 can be used to display information and provide an interactive interface for the user, and the flexible screen 40 can be fixedly connected to the first housing 20 and the the second casing 30 .
  • the first housing 20 and the second housing 30 can respectively form installation spaces for installing circuit boards, batteries, receivers, speakers, cameras and other electronic components of the foldable electronic device 100 .
  • the circuit board can integrate electronic components such as the main controller, storage unit, antenna module, and power management module of the foldable electronic device 100, and the battery can provide power for electronic components such as the flexible screen, circuit board, receiver, speaker, and camera.
  • the foldable electronic device 100 can be in a folded state.
  • the first casing 20 and the second casing 30 start from the stacked state and rotate back to the limit position, that is, when they cannot continue to rotate back, at this time the first casing 20 and the second casing 30 are flattened, and the foldable electronic device 100 is in a flattened state.
  • the flexible screen 40 can be flattened, and at this time the foldable electronic device 100 has the effect of a large-screen display.
  • the first casing 20 is stacked on the second casing 30 , and the flexible screen 40 can be sandwiched between the first casing 20 and the second casing 30 .
  • the foldable electronic device 100 can be opened by 0°-180°. That is, the foldable electronic device 100 may be unfolded or fully closed. Optionally, the foldable electronic device 100 can be opened by 30°, 70°, 150° and 180°. When the foldable electronic device 100 is opened by 70°-150°, the foldable electronic device 100 can freely stop at a desired angle. It can be understood that the foldable electronic device 100 can stop freely at any angle between 0°-180°.
  • the present application provides a foldable electronic device 100 that can have a damping feel during opening and folding.
  • the above functions are mainly realized by the folding hinge structure 10 of the foldable electronic device 100 .
  • the folding hinge structure 10 of the foldable electronic device 100 For the convenience of understanding, it will be described in detail below in conjunction with the accompanying drawings and specific implementation manners.
  • FIG. 2 to FIG. 4 are structural schematic diagrams of an embodiment of a folding hinge structure 10 provided by the present application.
  • the folding shaft structure 10 may include a first cam link assembly 11, a second cam link assembly 12, a damper assembly 13, an elastic drive assembly 14, a stopper 15, a first link The pin shaft 16 and the second connecting rod pin shaft 17 .
  • the first cam-link assembly 11 may include a first link 111 , a second link 112 , a first cam set 113 , and a first connecting plate 114 .
  • the first connecting rod 111 and the second connecting rod 112 are arranged symmetrically, and the first connecting rod 111 and the second connecting rod 112 can rotate relative to each other.
  • the first cam set 113 may include a first cam 1132 engaged with the first cam 1132 and a third cam 1133 opposite to the first cam 1132 .
  • the first cam set 113 may further include a second cam 1134 engaged with the second cam 1134 and a fourth cam 1135 opposite to the second cam 1134 .
  • the first cam 1132 may be disposed on a first end of the first connecting plate 114
  • the third cam 1133 may be disposed on a second end of the first connecting plate 114 . It should be noted that, in the embodiment of the present application, as long as the first cam 1132 and the second cam 1134 do not rotate with the first connecting rod 111 and the second connecting rod 112, then the first cam 1132 and the second cam 1134 It can be fixedly connected through the first connecting plate 114 or can be made into a connected cam structure, or can be fixed in other ways, which is not specifically limited in this application.
  • first cam 1132 and the second cam 1134 are fixedly connected or integrally formed.
  • the first end of the first link 111 can be fixedly connected with the first end of the first link pin 16 .
  • the first end of the first connecting rod 111 can be provided with a first fixing hole 1111, and the first fixing hole 1111 can be matched with the first end of the first connecting rod pin 16, the The first end of the first connecting rod pin 16 can be inserted into the first fixing hole 1111 and fixed in the first fixing hole 1111 .
  • the first end of the second link 112 can be fixedly connected with the first end of the second link pin 17 .
  • the first end of the second connecting rod 112 can be provided with a second fixing hole 1121, and the second fixing hole 1121 can be matched with the first end of the second connecting rod pin 17, the The first end of the second link pin 17 can be inserted into the second fixing hole 1121 and fixed in the second fixing hole 1121 .
  • the second end of the first connecting rod 111 is fixed with the third cam 1133 coaxially rotating with the first connecting rod 111
  • the second end of the second connecting rod 112 is fixed with the third cam 1133
  • the fourth cam 1135 rotates coaxially with the second link 112
  • the third cam 1133 and the fourth cam 1135 are located on the same side of the first cam-link assembly 11 .
  • the second cam link assembly 12 may include a third link 121 , a fourth link 122 , a second cam set 123 and a second connecting plate 124 .
  • the third link 121 and the fourth link 122 are arranged symmetrically, and the third link 121 and the fourth link 122 can rotate relative to each other.
  • the third connecting rod 121 rotates coaxially with the first connecting rod 111
  • the fourth connecting rod 122 rotates coaxially with the second connecting rod 112 .
  • the second cam set 123 may include a fifth cam 1232 engaged with the fifth cam 1232 and a seventh cam 1233 opposite to the fifth cam 1232 .
  • the second cam set 123 may further include a sixth cam 1234 engaged with and an eighth cam 1235 opposite to the sixth cam 1234 .
  • the fifth cam 1232 is fixed on the second end of the third connecting rod 121
  • the seventh cam 1233 can be arranged on the first end of the second connecting plate 124
  • the sixth cam 1234 is fixed on the second end of the connecting rod 121.
  • the second end of the fourth connecting rod 122 , the eighth cam 1235 may be disposed on the second end of the second connecting plate 124 .
  • the seventh cam 1233 and the eighth cam 1235 can pass
  • the second connecting plate 124 is fixedly connected or made into a cam structure, and can also be fixed in other ways, which is not specifically limited in this application.
  • the first end of the third link 121 can be fixedly connected with the second end of the first link pin 16 .
  • the first end of the third connecting rod 121 can be provided with a third fixing hole 1211, and the third fixing hole 1211 can be matched with the second end of the first connecting rod pin 16, the The second end of the first connecting rod pin 16 can be inserted into the third fixing hole 1211 and fixed in the third fixing hole 1211 .
  • the first end of the fourth link 122 can be fixedly connected with the second end of the second link pin 17 .
  • the first end of the fourth connecting rod 122 can be provided with a fourth fixing hole 1221, and the fourth fixing hole 1221 can be matched with the second end of the second connecting rod pin 17, the The second end of the second link pin 17 can be inserted into the fourth fixing hole 1221 and fixed in the fourth fixing hole 1221 .
  • the second end of the third connecting rod 121 is fixed with the fifth cam 1232 coaxially rotating with the third connecting rod 121
  • the second end of the fourth connecting rod 122 is fixed with the fifth cam 1232 coaxial with the third connecting rod 121
  • the sixth cam 1234 rotates coaxially with the fourth link 122
  • the fifth cam 1232 and the sixth cam 1234 are located on the same side of the second cam-link assembly 12 .
  • the elastic driving assembly 14 includes a first resisting plate 141 , a first camshaft 142 , a first elastic member 143 , a second camshaft 144 and a second elastic member 145 .
  • One end of the first camshaft 142 can be connected to the first abutment plate 141, and the other end of the first camshaft 142 can pass through the first elastic member 143 and pass through the first connecting rod 111 and
  • the rotation axis of the third link 121 realizes the relative rotation of the first link 111 and the third link 121 , and also passes through the axis of the first cam 1132 and the seventh cam 1233 .
  • One end of the second camshaft 144 is connected to the first abutment plate 141, and the other end of the second camshaft 144 can pass through the second elastic member 145 and pass through the second connecting rod 112 and the
  • the axis of rotation of the fourth connecting rod 122 is used to realize the relative rotation of the second connecting rod 112 and the fourth connecting rod 122 , and the axis of the second cam 1134 and the eighth cam 1235 is passed through.
  • the first elastic member 143 and the second elastic member 145 are sleeved on the first camshaft 142 and the second camshaft 144 respectively.
  • first elastic member 143 elastically abut against a side of the first cam 1132 away from the third cam 1133 and the first abutting plate 141 respectively. Both ends of the second elastic member 145 elastically resist against the side of the second cam 1134 facing away from the fourth cam 1135 and the first resisting plate 141 respectively.
  • first cam shaft 142 can pass through the first resisting plate 141 , the first elastic member 143 , the first cam 1132 and the third cam 1133 in sequence.
  • the second cam shaft 144 can pass through the first resisting plate 141 , the second elastic member 145 , the second cam 1134 and the fourth cam 1135 sequentially.
  • first camshaft 142 can pass through the first connecting rod 111 and the third connecting rod 121
  • second camshaft 144 can pass through the second connecting rod 112 and the first connecting rod 112
  • the four links 122 are used to make the first link 111 and the second link 112 rotate relative to each other, and the third link 121 and the fourth link 122 rotate relative to each other.
  • the opposite surfaces of the first cam 1132 and the third cam 1133 are respectively provided with engaging protrusions and notches.
  • the opposite surfaces of the second cam 1134 and the fourth cam 1135 are respectively provided with engaging protrusions and notches.
  • the elastic driving assembly 14 can drive the first cam 1132 and the third cam 1133 and the second cam 1134 and the fourth cam 1135 in the first cam group 113 to cooperate to unfold or fold the folded Electronic device 100.
  • the elastic driving assembly 14 is used to provide elastic driving force so that the first cam 1132 and the third cam 1133 and the second cam 1134 and the fourth cam 1135 can move along the first The rotation axis directions of the connecting rod 111 and the second connecting rod 112 are close to each other.
  • the elastic driving assembly 14 can drive the fifth cam 1232 and the seventh cam 1233 and the sixth cam 1234 and the eighth cam 1235 in the second cam group 123 to cooperate to unfold or fold the folded Electronic device 100.
  • the elastic driving assembly 14 is used to provide an elastic driving force so that the fifth cam 1232 and the seventh cam 1233 and the sixth cam 1234 and the eighth cam 1235 can move along the second cam link assembly.
  • the length directions of 12 are close to each other.
  • both the first elastic member 143 and the second elastic member 145 may be energy storage springs.
  • the folding hinge structure 10 further includes a first synchronizing component 18 .
  • the first synchronization assembly 18 may include a first driving gear 181 and a second driving gear 182 .
  • the first driving gear 181 is fixed on the second end of the first connecting rod 111, the first driving gear 181 is set on the side of the third cam 1133 away from the first cam 1132 and sleeved on on the first camshaft 142 .
  • the second driving gear 182 is fixed on the second end of the second connecting rod 112, the second driving gear 182 can be set on the side of the fourth cam 1135 away from the second cam 1134 and sleeved on the second camshaft 144 .
  • the first driving gear 181 and the second driving gear 182 may mesh with each other.
  • the folding hinge structure 10 may further include a second synchronizing component 19 .
  • the second synchronizing assembly 19 may include a third driving gear 191 and a fourth driving gear 192 .
  • the third driving gear 191 is fixed on the second end of the third connecting rod 121 , and the third driving gear 191 can be sleeved on the first camshaft 142 .
  • the fourth driving gear 192 is fixed on the second end of the fourth connecting rod 122 , and the fourth driving gear 192 can be sleeved on the second camshaft 144 .
  • the third driving gear 191 and the fourth driving gear 192 may mesh with each other.
  • the first connecting rod 111 , the second connecting rod 112 , the third connecting rod 121 and the fourth connecting rod 122 are all connecting rods with a driving gear structure, which can be used to drive other components to move.
  • the mutual engagement between the first link 111 and the second link 112, and the mutual engagement between the third link 121 and the fourth link 122 ensure that the folding electronic device 100 Synchronization of movement.
  • the first connecting rod 111 and the third connecting rod 121 are connected through the first connecting rod pin 16
  • the second connecting rod 112 and the fourth connecting rod 122 are connected through the second connecting rod 122 .
  • the lever pins 17 are connected, so that the movement of the foldable electronic device 100 can also be kept synchronous.
  • the damping assembly 13 includes a damping bracket 131 .
  • the damping bracket 131 is arranged between the first cam-link assembly 11 and the second cam-link assembly 12, and rotating under the action of elastic force will generate a certain frictional damping force, thereby ensuring The damping force is generated in the angle of .
  • the damping bracket 131 is disposed between the first link 111 and the second link 112 and between the third link 121 and the fourth link 122 .
  • the damping bracket 131 is provided with a through hole 1311 and a through hole 1312
  • the second connecting plate 124 is provided with a through hole 1241 and a through hole 1242
  • the limiting plate 15 can be provided with a first slot 151 and a through hole 1242.
  • the second slot 152 Based on this design, the second end of the first camshaft 142 can pass through the first resisting plate 141, the first elastic member 143, the first cam 1132, and the third cam 1133 in turn.
  • the first driving gear 181 the through hole 1311 of the damping bracket 131, the third driving gear 191, the through hole 1241 of the second connecting plate 124 and the first slot 151, so as to buckle in the first slot 151 .
  • the second camshaft 144 can pass through the first resisting plate 141, the second elastic member 145, the second cam 1134 and the fourth cam 1135, the second driving gear 182,
  • the through hole 1312 of the damping bracket 131 , the fourth driving gear 192 , the through hole 1242 of the second connecting plate 124 and the second slot 152 are snapped into the second slot 152 .
  • the limiting piece 15 can ensure that the first camshaft 142 and the second camshaft 144 will not disengage from the folding hinge structure 10 under the spring force.
  • the limiting piece 15 is located at one end of the first camshaft 142 and the second camshaft 144 away from the fifth cam and the sixth cam, and the fifth cam 1232 and the A side of the sixth cam 1234 opposite to the seventh cam 1233 and the eighth cam 1235 is against the limiting piece 15 .
  • the elastic driving assembly 14 can provide elastic driving force so that the first cam 1132 and the third cam 1133 , and the second cam 1134 and the fourth cam 1135 can move along the first cam 1132 and the third cam 1135 .
  • the rotation axis directions of the connecting rod 111 and the second connecting rod 112 are close to each other.
  • the damping bracket 131 can be connected with the first connecting rod 111, the second connecting rod 112, the third connecting rod 121 and the fourth connecting rod under the action of the driving force provided by the elastic driving assembly 14.
  • a friction pair is generated between 122, thereby increasing the rotation damping force, realizing the hovering requirement of the foldable electronic device 100 in the middle of rotation, and providing users with a sense of damping.
  • the first synchronizing assembly 18 may further include an even number of first synchronizing gears 183
  • the second synchronizing assembly 19 may further include an even number of second synchronizing gears 183.
  • a gear 193 , the first synchronous gear 183 may be disposed between the first driving gear 181 and the second driving gear 182 .
  • the adjacent first driving gear 181 , the first synchronizing gear 183 and the second driving gear 182 may mesh with each other.
  • the second synchronous gear 193 may be disposed between the third driving gear 191 and the fourth driving gear 192 .
  • the adjacent third driving gear 191 , the second synchronizing gear 193 and the fourth driving gear 192 may mesh with each other.
  • the elastic driving assembly 14 may further include a third camshaft 146 , a third elastic member 147 , a fourth camshaft 148 and a fourth elastic member 149 .
  • One end of the third camshaft 146 can be connected to the first abutting plate 141, and the other end of the third camshaft 146 can pass through the third elastic member 147 and the first connecting plate 114, and pass through the first connecting plate 114 in turn.
  • the first synchronous gear 183 , the damping bracket 131 , the second synchronous gear 193 , the second connecting plate 124 and the limiting piece 15 are provided and fixed on the limiting piece 15 .
  • One end of the fourth camshaft 148 is connected to the first abutting plate 141, and the other end of the fourth camshaft 148 can pass through the fourth elastic member 149 and the first connecting plate 114, and pass through in turn
  • the first synchronous gear 183 , the damping bracket 131 , the second synchronous gear 193 , the second connecting plate 124 and the limiting piece 15 are fixed to the limiting piece 15 .
  • the third elastic member 147 and the fourth elastic member 149 are sleeved on the third camshaft 146 and the fourth camshaft 148 respectively. Two ends of the third elastic member 147 elastically resist against a side of the first connecting plate 114 away from the third cam 1133 and the first resisting plate 141 respectively. Two ends of the fourth elastic member 149 elastically resist against a side of the first connecting plate 114 away from the fourth cam 1135 and the first resisting plate 141 respectively.
  • the limiting piece 15 is also provided with a third slot 153 and a fourth slot 154
  • the second end of the third camshaft 146 can pass through the first abutting plate 141, the The third elastic member 147, the first connecting plate 114, the first synchronizing gear 183, the damping bracket 131, the second synchronizing gear 193, the second connecting plate 124 and the third slot 153, and is fixed in the third slot 153.
  • the fourth camshaft 148 can pass through the first resisting plate 141, the fourth elastic member 149, the first connecting plate 114, the first synchronous gear 183, the damping bracket 131,
  • the second synchronous gear 193 , the second connecting plate 124 and the fourth slot 154 are fixed in the fourth slot 154 .
  • both the third elastic member 147 and the fourth elastic member 149 may be energy storage springs.
  • first camshaft 142 can pass through the first connecting rod 111 and the third connecting rod 121, and the first camshaft 142 can also pass through the first camshaft. 1132 and the damping bracket 131.
  • the second camshaft 144 may pass through the second connecting rod 112 and the fourth connecting rod 122 , and the second camshaft 144 also passes through the second cam 1134 and the damping bracket 131 .
  • FIG. 5 is a schematic structural diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the second connecting plate 124, the third link 121 and the fourth link 122 in this embodiment are not provided Intermeshing cam structure.
  • the damping bracket 131 can rotate under the action of elastic force to generate a certain frictional damping force, thereby ensuring that the damping force is generated at a set angle.
  • the folding hinge structure 10 can use fewer structural elements to provide users with a damping feel and a simple structure.
  • FIG. 6 is a schematic structural diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the difference from the embodiment of the folding hinge structure 10 shown in FIGS. 2 to 4 is that, as shown in FIG. Neither of them is provided with interengaging cam structures.
  • the damping bracket 131 can rotate under the action of elastic force to generate a certain frictional damping force, thereby ensuring that the damping force is generated at a set angle.
  • the folding hinge structure 10 can use fewer structural elements to provide users with a damping feel and a simple structure.
  • FIG. 7 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the elastic drive assembly 14 may further include a fifth elastic member 1410, a sixth elastic member 1411, a seventh elastic member 1412, The eighth elastic member 1413 and the second resisting plate (not shown in the figure).
  • the fifth elastic member 1410 is sleeved on the first camshaft 142
  • the sixth elastic member 1411 is sleeved on the second camshaft 144
  • the The seventh elastic member 1412 is sleeved on the third camshaft 146
  • the eighth elastic member 1413 is sleeved on the fourth camshaft 148 .
  • the fifth elastic member 1410 , the sixth elastic member 1411 , the seventh elastic member 1412 and the eighth elastic member 1413 may all be energy storage springs.
  • FIG. 8 and FIG. 9 are structural schematic diagrams of a folding hinge structure 10 provided in another embodiment of the present application.
  • the damping assembly 13 in this embodiment includes a damping bracket 131 and a third cam set 132 .
  • both ends of the damping bracket 131 are provided with a ninth cam 1321 and a tenth cam 1323
  • the third cam set 132 may include an eleventh cam 1322, which is opposite to the ninth cam 1321
  • a twelfth cam 1324 is arranged opposite to the tenth cam 1323 .
  • Both the ninth cam 1321 and the eleventh cam 1322 are sleeved on the first cam shaft 142 .
  • Both the tenth cam 1323 and the twelfth cam 1324 are sleeved on the second cam shaft 144 .
  • the ninth cam 1321 and the tenth cam 1323 are fixed at both ends of the damping bracket 131 .
  • the second end of the third connecting rod 121 is fixed with the eleventh cam 1322 coaxially rotating with the third connecting rod 121
  • the second end of the fourth connecting rod 122 is fixed with the eleventh cam 1322 coaxial with the third connecting rod 121 .
  • the damping bracket 131 is sleeved on the third camshaft 146 and the fourth camshaft 148 .
  • the damping bracket 131 is disposed close to the first cam-link assembly 11 .
  • an eleventh cam 1322 and a twelfth cam 1324 are provided at both ends of the damping bracket 131 .
  • the third cam group 132 may include a ninth cam 1321 opposite to the eleventh cam 1322 and a tenth cam 1323 opposite to the twelfth cam 1324.
  • the twelve cams 1324 are fixed on both ends of the damping bracket 131 .
  • the second end of the first connecting rod 111 is fixed with the ninth cam 1321 that rotates coaxially with the first connecting rod 111
  • the second end of the second connecting rod 112 is fixed with the second cam 1321 .
  • the tenth cam 1323 that the connecting rod 112 rotates coaxially.
  • the damping bracket 131 is sleeved on the third camshaft 146 and the fourth camshaft 148 .
  • the damping bracket 131 is disposed close to the second cam-link assembly 12 .
  • FIG. 10 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the difference from the embodiment of the folding shaft structure 10 shown in FIG. 8 is that, as shown in FIG. 1332 , the sixteenth cam 1334 , and the damping bracket 131 .
  • the two ends of the damping bracket 131 are respectively provided with a first double-sided cam and a second double-sided cam.
  • the first double-sided cam and the second double-sided cam are fixed on both ends of the damping bracket 131, the first camshaft 142 can pass through the first double-sided cam, and the second camshaft 144 can pass through the second double-sided cam.
  • the first double-sided cam may include an eleventh cam 1322 and a thirteenth cam 1331
  • the second double-sided cam may include a twelfth cam 1324 and a fourteenth cam 1333 .
  • the ninth cam 1321 is arranged opposite to the eleventh cam 1322
  • the thirteenth cam 1331 is arranged opposite to the fifteenth cam 1332
  • the tenth cam 1323 is arranged opposite to the twelfth cam 1324
  • the fourteenth cam 1333 is opposite to the sixteenth cam 1334 .
  • the ninth cam 1321 , the eleventh cam 1322 , the thirteenth cam 1331 and the fifteenth cam 1332 are all sleeved on the first cam shaft 142
  • the The tenth cam 1323 , the twelfth cam 1324 , the fourteenth cam 1333 and the sixteenth cam 1334 are all sleeved on the second cam shaft 144 .
  • the ninth cam 1321 is engaged with the eleventh cam 1322
  • the tenth cam 1323 is engaged with the twelfth cam 1324
  • the thirteenth cam 1331 is engaged with the fifteenth cam 1332
  • the fourteenth cam 1333 is engaged with the sixteenth cam 1334 .
  • the damping bracket 131 is sleeved on the third camshaft 146 and the fourth camshaft 148 .
  • the eleventh cam 1322 and the thirteenth cam 1331 are fixed on the first end of the damping bracket 131
  • the twelfth cam 1324 and the fourteenth cam 1333 are fixed on the end of the damping bracket 131 . second end.
  • greater torsion can be obtained in a limited space. If the space of the foldable electronic device 100 is limited, when the elastic force of the elastic member is limited, the number of pairs of concave and convex wheels can be increased. To achieve greater rotation retention and self-flattening or self-closing drive torque.
  • FIG. 11 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the damping assembly 13 in this embodiment may include a damping bracket 131 , a first friction plate 134 , a second friction plate 135 and a third friction plate 136 .
  • the first friction plate 134 is sleeved on the first camshaft 142, the second camshaft 144, the third camshaft 146 and the fourth camshaft 148, and the first friction plate 134 is close to
  • the first driving gear 181 and the second driving gear 182 are arranged, that is, the first friction plate 134 at this time is a static friction plate.
  • the first end of the second friction plate 135 is sleeved on the first connecting rod pin 16
  • the second end of the second friction plate 135 is sleeved on the first camshaft 142
  • the The second end of the second friction plate 135 is located between the first friction plate 134 and the damping bracket 131 . That is, the second friction plate 135 at this time is a moving friction plate, which can rotate coaxially with the first connecting rod 111 .
  • the first end of the third friction plate 136 is sleeved on the second connecting rod pin 17, the second end of the third friction plate 136 is sleeved on the second camshaft 144, and the The second end of the third friction plate 136 is located between the first friction plate 134 and the damping bracket 131 . That is, the third friction plate 136 at this time is a moving friction plate, which can rotate coaxially with the second connecting rod 112 .
  • the damping assembly 13 may also include a fourth friction plate, a fifth friction plate and a sixth friction plate, that is, between the first friction plate 134 and the first cam-link assembly 11
  • the fourth friction plate can also be set, the first end of the fifth friction plate can be sleeved on the first connecting rod pin 16, and the second end of the fifth friction plate can be sleeved on the first camshaft 142 , and the second end of the fourth friction plate is located between the first friction plate 134 and the fourth friction plate.
  • the first end of the sixth friction plate can be sleeved on the second connecting rod pin 17, the second end of the sixth friction plate can be sleeved on the second camshaft 144, and the The second end of the sixth friction plate is located between the first friction plate 134 and the fourth friction plate.
  • FIG. 12 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the difference from the embodiment of the folding shaft structure 10 shown in FIG. 11 is that the first friction plate 134 is disposed close to the third driving gear 191 and the fourth driving gear 192 .
  • the first end of the second friction plate 135 is sleeved on the first connecting rod pin 16, the second end of the second friction plate 135 is sleeved on the first camshaft 142, and the The second end of the second friction plate 135 is located between the first friction plate 134 and the damping bracket 131 . That is, the second friction plate 135 at this time is a moving friction plate, which can rotate coaxially with the first connecting rod 111 .
  • the first end of the third friction plate 136 is sleeved on the second connecting rod pin 17, the second end of the third friction plate 136 is sleeved on the second camshaft 144, and the The second end of the third friction plate 136 is located between the first friction plate 134 and the damping bracket 131 . That is, the third friction plate 136 at this time is a moving friction plate, which can rotate coaxially with the second connecting rod 112 .
  • FIG. 13 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the damping assembly 13 may further include a fourth friction plate 137 , a fifth friction plate 138 and a sixth friction plate 139 .
  • the fourth friction plate 137 is sleeved on the first camshaft 142, the second camshaft 144, the third camshaft 146 and the fourth camshaft 148, and the fourth friction plate 137 is close to The third driving gear 191 and the fourth driving gear 192 are provided.
  • the first end of the fifth friction plate 138 is sleeved on the first connecting rod pin 16
  • the second end of the fifth friction plate 138 is sleeved on the first camshaft 142
  • the second end of the fifth friction plate 138 is located between the fourth friction plate and the damping bracket 131 .
  • the first end of the sixth friction plate 139 is sleeved on the second connecting rod pin 17, the second end of the sixth friction plate 139 is sleeved on the second camshaft 144, the The second end of the sixth friction plate 139 is located between the fourth friction plate 137 and the damping bracket 131 .
  • FIG. 14 is a schematic structural diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the damping assembly 13 may further include a first friction plate 134 , a second friction plate 135 and a third friction plate 136 .
  • the first friction plate 134 is sleeved on the first camshaft 142, the second camshaft 144, the third camshaft 146 and the fourth camshaft 148, and the first friction plate 134 is close to The first driving gear 181 and the second driving gear 182 are provided.
  • the first end of the second friction plate 135 is sleeved on the first connecting rod pin 16
  • the second end of the second friction plate 135 is sleeved on the first camshaft 142
  • the second end of the second friction plate 135 is located between the first friction plate 134 and the ninth cam 1321
  • the ninth cam 1321 is sleeved on the first cam shaft 142 .
  • the first end of the third friction plate 136 is sleeved on the second connecting rod pin 17, the second end of the third friction plate 136 is sleeved on the second camshaft 144′, and The second end of the third friction plate 136 is located between the tenth cam 1323 and the first friction plate 134 .
  • FIG. 15 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the difference from the embodiment of the folding shaft structure 10 shown in FIG. 14 is that in this embodiment, the first friction plate 134 is disposed close to the third driving gear 191 and the fourth driving gear 192 .
  • the first friction plate 134 is sleeved on the first camshaft 142 , the second camshaft 144 , the third camshaft 146 and the fourth camshaft 148 .
  • the first end of the second friction plate 135 is sleeved on the first connecting rod pin 16, the second end of the second friction plate 135 is sleeved on the first camshaft 142, and the The second end of the second friction plate 135 is located between the first friction plate 134 and the eleventh cam 1322 .
  • the first end of the third friction plate 136 is sleeved on the second connecting rod pin 17, the second end of the third friction plate 136 is sleeved on the second camshaft 144′, and The second end of the third friction plate 136 is located between the twelfth cam 1324 and the first friction plate 134 .
  • both the first camshaft 142 and the second camshaft 144 can be flat shafts or special-shaped shafts.
  • the third camshaft 146 and the fourth camshaft 148 can also be flat shafts or special-shaped shafts, that is, the shaft holes of the first cam 1132 and the shaft holes of the second cam 1134
  • Both the shaft hole and the shaft hole of the first synchronous gear 183 are flat holes or special-shaped holes. Based on such a design, it can ensure that the first connecting rod 111 can drive the first camshaft 142 , the second camshaft 144 , the third camshaft 146 and the fourth camshaft 148 to rotate together when rotating.
  • FIG. 17 is a schematic structural diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the damping assembly 13 includes a damping bracket 131 , a first friction plate 134 , a second friction plate 135 and a third friction plate 136 .
  • the first end of the first camshaft 142, the first end of the second camshaft 144, the first end of the third camshaft 146 and the first end of the fourth camshaft 148 are sleeved There are the second friction plate 135 and the third friction plate 136, the first end of the first elastic member 143, the first end of the second elastic member 145, the first end of the third elastic member 147 , The first end of the fourth elastic member 149 is elastically resisted by the third friction plate 136 .
  • the first end of the first camshaft 142, the first end of the second camshaft 144, the first end of the third camshaft 146 and the first end of the fourth camshaft 148 are sleeved respectively
  • a first friction plate 134 is provided, and the first friction plate 134 is located between the second friction plate 135 and the third friction plate 136 .
  • the second end of the first camshaft 142, the second end of the second camshaft 144, the second end of the third camshaft 146 and the second end of the fourth camshaft 148 are sleeved There are the second friction plate 135 and the third friction plate 136, the first end of the fifth elastic member 1410, the first end of the sixth elastic member 1411, the first end of the seventh elastic member 1412 And the first end of the eighth elastic member 1413 elastically bears against the third friction plate 136 .
  • the second end of the first camshaft 142, the second end of the second camshaft 144, the second end of the third camshaft 146 and the second end of the fourth camshaft 148 are sleeved respectively
  • a first friction plate 134 is provided, and the first friction plate 134 is located between the second friction plate 135 and the third friction plate 136 .
  • the second friction plate 135 may be a first resisting plate. In some other possible embodiments, it is also possible to connect the second friction plate 135 with the first camshaft 142, the second camshaft 144, the third camshaft 146 and the fourth camshaft Between the first ends of 148, add a first abutting plate 141, or, also can be between the third friction piece 136 and the first elastic piece 143, the second elastic piece 145, the third elastic piece 147 and A first resisting plate 141 is added between the fourth elastic members 149 .
  • the second friction plate 135 and the third friction plate 136 are static friction plates at the far end of the elastic member, and the first friction plate 134 is a dynamic friction plate, which can follow the first camshaft 142 and the first friction plate.
  • the two camshafts 144, the third camshaft 146 and the fourth camshaft 148 rotate to rotate together. Based on this design, the rotation damping force is improved to realize the hovering requirement in the middle of the rotation and provide users with a sense of damping.
  • the folding shaft structure 10 can be provided with multiple friction plates on both sides, and in some other possible embodiments, the folding shaft structure 10 can also be provided with multiple friction plates on one side. a friction plate.
  • FIG. 18 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the damping assembly 13 further includes a third cam set 132 .
  • the third cam set 132 may include an engaged ninth cam 1321 , an eleventh cam 1322 opposite to the ninth cam 1321 , an engaged tenth cam 1323 , and an engaged tenth cam 1323 .
  • 1323 is opposite to the twelfth cam 1324 .
  • Both the ninth cam 1321 and the eleventh cam 1322 are sleeved on the first cam shaft 142 .
  • Both the tenth cam 1323 and the twelfth cam 1324 are sleeved on the second cam shaft 144 .
  • the ninth cam 1321 is fixed on the first end of the damping bracket 131
  • the tenth cam 1323 is fixed on the second end of the damping bracket 131
  • the second end of the third connecting rod 121 is fixed with the eleventh cam 1322 coaxially rotating with the third connecting rod 121
  • the second end of the fourth connecting rod 122 is fixed with the eleventh cam 1322 coaxial with the third connecting rod 121
  • the twelfth cam 1324 that the four linkages 122 rotate coaxially.
  • the damping bracket 131 is sleeved on the third camshaft 146 and the fourth camshaft 148 .
  • the damping bracket 131 is disposed close to the first cam-link assembly 11 . As shown in FIG.
  • the damping bracket 131 may be disposed near the second cam link assembly 12 .
  • the eleventh cam 1322 is fixed on the first end of the damping bracket 131
  • the twelfth cam 1324 is fixed on the second end of the damping bracket 131 .
  • the second end of the first connecting rod 111 is fixed with the ninth cam 1321 that rotates coaxially with the first connecting rod 111
  • the second end of the second connecting rod 112 is fixed with the second cam 1321 .
  • the tenth cam 1323 that the connecting rod 112 rotates coaxially.
  • the damping bracket 131 is sleeved on the third camshaft 146 and the fourth camshaft 148 .
  • FIG. 20 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the four-cam group 133 may include an engaged thirteenth cam 1331, a fifteenth cam 1332 disposed opposite to the thirteenth cam 1331, an engaged fourteenth cam 1333, and an engaged cam 1333 opposite to the fourteenth cam 1333. Sixteenth cam 1334 .
  • the ninth cam 1321 , the eleventh cam 1322 , the thirteenth cam 1331 and the fifteenth cam 1332 are all sleeved on the first cam shaft 142
  • the The tenth cam 1323 , the twelfth cam 1324 , the fourteenth cam 1333 and the sixteenth cam 1334 are all sleeved on the second cam shaft 144 .
  • the ninth cam 1321 is engaged with the eleventh cam 1322
  • the tenth cam 1323 is engaged with the twelfth cam 1324
  • the thirteenth cam 1331 is engaged with the fifteenth cam 1332
  • the fourteenth cam 1333 is engaged with the sixteenth cam 1334 .
  • the damping bracket 131 is sleeved on the third camshaft 146 and the fourth camshaft 148 .
  • the eleventh cam 1322 and the thirteenth cam 1331 are fixed on the first end of the damping bracket 131
  • the twelfth cam 1324 and the fourteenth cam 1333 are fixed on the end of the damping bracket 131 . second end.
  • FIG. 21 is a structural schematic diagram of a folding hinge structure 10 provided in another embodiment of the present application.
  • the folding shaft structure 10 may include a first cam link assembly 11, a second cam link assembly 12, an elastic drive assembly 14, a limiting piece 15, a first link pin 16, a second link pin lever pin 17 , first synchronizing assembly 18 and second synchronizing assembly 19 .
  • the first cam-link assembly 11 may include a first link 111 , a second link 112 , a first cam set 113 , and a first connecting plate 114 .
  • the first cam set 113 may include a first cam 1132 engaged with the first cam 1132 and a third cam 1133 opposite to the first cam 1132 .
  • the first cam set 113 may further include a second cam 1134 engaged with the second cam 1134 and a fourth cam 1135 opposite to the second cam 1134 .
  • the third cam 1133 may be disposed on the first end of the first connecting plate 114
  • the fourth cam 1135 may be disposed on the second end of the first connecting plate 114 .
  • the second cam link assembly 12 may include a third link 121 , a fourth link 122 , a second cam set 123 and a second connecting plate 124 .
  • the second cam set 123 may include a fifth cam 1232 engaged with the fifth cam 1232 and a seventh cam 1233 opposite to the fifth cam 1232 .
  • the second cam set 123 may further include a sixth cam 1234 engaged with and an eighth cam 1235 opposite to the sixth cam 1234 .
  • the fifth cam 1232 may be disposed on the first end of the second connecting plate 124
  • the sixth cam 1234 may be disposed on the second end of the second connecting plate 124 .
  • the first connecting rod 111 is fixedly connected to the third connecting rod 121 through the first connecting rod pin 16, and the second connecting rod 112 is connected to the fourth connecting rod through the second connecting rod pin 17.
  • the connecting rod 122 is fixedly connected.
  • the second end of the first connecting rod 111 is fixed with the first cam 1132 coaxial with the first connecting rod 111, and the second end of the second connecting rod 112 is fixed with the second cam 1132.
  • the connecting rod 112 rotates coaxially with the second cam 1134 , and the first cam 1132 and the second cam 1134 are located on the same side of the first cam-link assembly 11 .
  • the second end of the third connecting rod 121 is fixed with the seventh cam 1233 coaxially rotating with the third connecting rod 121, and the second end of the fourth connecting rod 122 is fixed with the fourth cam 1233.
  • the connecting rod 122 coaxially rotates the eighth cam 1235 , and the seventh cam 1233 and the eighth cam 1235 are located on the same side of the second cam-link assembly 12 .
  • the elastic driving assembly 14 includes a first camshaft 142 , a first elastic member 143 , a second camshaft 144 and a second elastic member 145 .
  • One end of the first camshaft 142 can be connected to the limiting piece 15 , and the other end of the first camshaft 142 can pass through the axis of the first cam 1132 and be connected to the axis of the third cam 1133 , and pass through the first connecting plate 114 , the first elastic member 143 , the second connecting plate 124 , the fifth cam 1232 , and the seventh cam 1233 in order to connect with another limiting piece 15 .
  • One end of the second camshaft 144 is connected to the limiting plate 15, and the other end of the second camshaft 144 can pass through the axis of the second cam 1134 and be connected to the axis of the fourth cam 1135, And pass through the first connecting plate 114 , the second elastic member 145 , the second connecting plate 124 , the sixth cam 1234 , and the eighth cam 1235 to connect with another limiting piece 15 in sequence.
  • Both ends of the first elastic member 143 elastically abut against a side of the first connecting plate 114 facing away from the third cam 1133 and a side of the second connecting plate 124 facing away from the fifth cam 1232 respectively.
  • Two ends of the second elastic member 145 elastically abut against a side of the first connecting plate 114 facing away from the third cam 1133 and a side of the second connecting plate 124 facing away from the fifth cam 1232 respectively.
  • the first synchronizing assembly 18 may include a first driving gear 181 , a second driving gear 182 and a double number of first synchronizing gears 183 .
  • the first driving gear 181 is fixed on the second end of the first connecting rod 111, the first driving gear 181 is set on the side of the third cam 1133 away from the first cam 1132 and sleeved on on the first camshaft 142 .
  • the second driving gear 182 is fixed on the second end of the second connecting rod 112, the second driving gear 182 can be set on the side of the fourth cam 1135 away from the second cam 1134 and sleeved on the second camshaft 144 .
  • the first synchronous gear 183 may be disposed between the first driving gear 181 and the second driving gear 182 . In this application scenario, the adjacent first driving gear 181 , the first synchronizing gear 183 and the second driving gear 182 may mesh with each other.
  • the second synchronizing assembly 19 may include a third driving gear 191 , a fourth driving gear 192 and an even number of second synchronizing gears 193 .
  • the third driving gear 191 is fixed on the second end of the third connecting rod 121 , and the third driving gear 191 can be sleeved on the first camshaft 142 .
  • the fourth driving gear 192 is fixed on the second end of the fourth connecting rod 122 , and the fourth driving gear 192 can be sleeved on the second camshaft 144 .
  • the third driving gear 191 and the fourth driving gear 192 may mesh with each other.
  • the second synchronous gear 193 may be disposed between the third driving gear 191 and the fourth driving gear 192 .
  • the adjacent third driving gear 191 , the second synchronizing gear 193 and the fourth driving gear 192 may mesh with each other.
  • the elastic driving assembly 14 may further include a third camshaft 146 , a third elastic member 147 , a fourth camshaft 148 and a fourth elastic member 149 .
  • the third elastic member 147 and the fourth elastic member 149 are sleeved on the third camshaft 146 and the fourth camshaft 148 respectively.
  • One end of the third camshaft 146 can be connected to the limiting piece 15, and the other end of the third camshaft 146 can pass through the first synchronous gear 183, the first connecting plate 114, the third The elastic member 147 , the second connecting plate 124 and the second synchronizing gear 193 are connected to another limiting piece 15 .
  • One end of the fourth camshaft 148 is connected to the limiting plate 15, and the other end of the fourth camshaft 148 can pass through the first synchronous gear 183, the first connecting plate 114, the third elastic The member 147 , the second connecting plate 124 and the second synchronizing gear 193 are connected to another limiting piece 15 .
  • Both ends of the third elastic member 147 elastically resist the side of the first connecting plate 114 facing away from the third cam 1133 and the side of the second connecting plate 124 facing away from the fifth cam 1232 respectively.
  • Both ends of the fourth elastic member 149 elastically abut against a side of the first connecting plate 114 facing away from the fourth cam 1135 and a side of the second connecting plate 124 facing away from the sixth cam 1234 respectively.
  • the limiting piece 15 will not rotate with the rotation of the first connecting rod 111 and the second connecting rod 112, and the other limiting piece 15 will not rotate with the rotation of the third connecting rod.
  • the rotation of the rod 121 and the fourth link 122 rotates. Based on such a design, a friction pair can be generated between the limiting piece 15 and the first connecting rod 111 and the second connecting rod 112 to generate a damping force, and another limiting piece 15 can also be connected to the first connecting rod 112 A friction pair can be generated between the three connecting rods 121 and the fourth connecting rod 122 to generate a damping force.
  • a friction pair may be provided between the limiting piece 15 and the first cam-link assembly 11 , and the limiting piece 15 and the second cam-link assembly 12 A friction pair can be provided between the pages. Based on this design, the frictional damping force can be further improved and the damping effect can be improved.
  • the elastic drive assembly 14 can be arranged at the middle position of the folding shaft structure, and the first connecting plate 114 and the second connecting plate 124 can move toward the middle position, based on Such a design can also bring a damping effect to the user when opening and closing.
  • the folding shaft structure and folding electronic equipment provided by this application have friction between 0-180°, which can realize the realization of specific angle damping force, and can automatically flatten and maintain the flattened state when approaching 180°. It can automatically close and maintain the closed state at 0°, and can hover freely at the middle angle of 0-180°.
  • the folding hinge structure and the folding electronic device provided in the embodiments of the present application can bring damping effect to the user when opening and closing, and the application scenarios of the folding hinge structure are relatively wide.

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Abstract

本申请提供一种折叠转轴结构及折叠电子设备,包括第一凸轮连杆组件、第二凸轮连杆组件、弹性驱动组件及阻尼组件,第一凸轮连杆组件包括第一凸轮、与第一凸轮相对设置的第三凸轮、第二凸轮及与第二凸轮相对设置的第四凸轮;弹性驱动组件用于提供弹性驱动力以使所述第一凸轮与所述第三凸轮,以及所述第二凸轮与所述第四凸轮可沿所述第一凸轮连杆组件的长度方向相互靠近;阻尼组件,包括阻尼支架,所述阻尼支架设置在所述第一凸轮连杆组件与所述第二凸轮连杆组件之间,并在弹力作用下转动,以产生摩擦阻尼力。本申请提供的折叠转轴结构及折叠电子设备通过阻尼组件的设置,能够在打开和闭合时给用户带来阻尼效果。

Description

折叠转轴结构及折叠电子设备
相关申请的交叉引用
本申请要求于2021年6月17日提交中国专利局、申请号为202110674456.6、申请名称为“折叠转轴结构及折叠电子设备”的中国专利的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及折叠屏技术领域,尤其涉及一种折叠转轴结构及折叠电子设备。
背景技术
随着柔性折叠屏技术日趋成熟,柔性折叠电子产品已经成为趋势,折叠电子产品(如折叠手机、折叠平板、折叠电脑等电子设备)需要满足较高的可靠性,较好的操作体验。
为了保证良好的弯折体验,折叠电子设备需要在弯折过程中具有一定的阻尼或者悬停功能,折叠转轴结构是实现折叠的核心机构,但目前的折叠转轴结构设计存在打开时手感不佳,无法给消费者带来更好的体验的问题。如何设计阻尼机构以实现更好的用户体验是当前亟待解决的问题。
发明内容
有鉴于此,本申请提供一种带有阻尼效果的折叠转轴结构及折叠电子设备,采用本申请的实施例,折弯或者打开过程中带有阻尼,可以保证柔性屏的稳定性,结构简单。
第一方面,本申请的实施例提供一种折叠转轴结构,包括:同轴转动第一凸轮连杆组件,包括对称设置的第一连杆和第二连杆,所述第一连杆和所述第二连杆可相对彼此转动;还包括第一凸轮组;所述第一凸轮组包括第一凸轮、与所述第一凸轮相对设置的第三凸轮、第二凸轮及与所述第二凸轮相对设置的第四凸轮;其中,所述第一连杆的第二端固定有与所述第一连杆同轴转动的所述第三凸轮,所述第二连杆的第二端固定有与所述第二连杆同轴转动的所述第四凸轮,且所述第三凸轮和所述第四凸轮位于所述第一凸轮连杆组件的同一侧;所述第一凸轮和所述第二凸轮不随所述第一连杆和所述第二连杆转动;第二凸轮连杆组件,包括对称设置的第三连杆和第四连杆,所述第三连杆和所述第四连杆可相对彼此转动,且所述第三连杆与所述第一连杆同轴转动,所述第四连杆与所述第二连杆同轴转动;所述第三连杆的第一端通过第一连杆销轴与所述第一连杆的第一端固定连接,所述第四连杆的第一端通过第二连杆销轴与第二连杆的第一端固定连接;第一同步组件,包括第一驱动齿轮及第二驱动齿轮,所述第一驱动齿轮固定于所述第一连杆的第二端,所述第一驱动齿轮设于所述第三凸轮背离所述第一凸轮的一面上;所述第二驱动齿轮固定于所述第二连杆的第二端,所述 第二驱动齿轮设于所述第四凸轮背离所述第二凸轮的一面上,所述第一驱动齿轮和所述第二驱动齿轮相互啮合;第二同步组件,包括第三驱动齿轮及第四驱动齿轮,所述第三驱动齿轮固定于所述第三连杆的第二端,所述第四驱动齿轮固定于所述第四连杆的第二端,所述第三驱动齿轮和所述第四驱动齿轮相互啮合;弹性驱动组件,用于提供弹性驱动力以使所述第一凸轮与所述第三凸轮,以及所述第二凸轮与所述第四凸轮可沿所述第一连杆和所述第二连杆转动连接的转动轴线方向相互靠近;阻尼组件,包括阻尼支架,所述阻尼支架设置在所述第一凸轮连杆组件与所述第二凸轮连杆组件之间,并在弹力作用下转动,以产生摩擦阻尼力。
采用本申请的实施例,通过在折叠转轴结构中设置阻尼组件,该阻尼组件在弹性驱动组件的驱动作用下,与第一凸轮连杆组件和第二凸轮连杆组件产生摩擦副,进而产生转动的阻尼力,能够在打开或者关闭时给用户带来阻尼效果。
在一种可能的设计中,所述弹性驱动组件包括第一抵持板、第一凸轮轴、第一弹性件、第二凸轮轴及第二弹性件;所述第一凸轮轴穿设所述第一连杆和所述第三连杆,所述第二凸轮轴穿设所述第二连杆和所述第四连杆,以使所述第一连杆和所述第二连杆相对彼此转动,所述第三连杆和所述第四连杆相对彼此转动;所述第一凸轮轴还穿设所述第一凸轮和所述阻尼支架,所述第二凸轮轴还穿设所述第二凸轮和所述阻尼支架;所述第一抵持板位于所述第一凸轮轴和所述第二凸轮轴远离所述第一凸轮和所述第二凸轮的一端;所述第一弹性件套设于所述第一凸轮轴,且所述第一弹性件的两端分别与所述第一凸轮背离所述第三凸轮的一面以及所述第一抵持板弹性抵持;所述第二弹性件套设于所述第二凸轮轴,所述第二弹性件的两端分别与所述第二凸轮背离所述第四凸轮的一面以及所述第一抵持板弹性抵持。
基于这样的设计,所述弹性驱动组件可以驱动所述第一凸轮与所述第三凸轮,以及所述第二凸轮与所述第四凸轮沿所述第一连杆和所述第二连杆之间的转动轴线方向相互靠近。
在一种可能的设计中,所述第二凸轮连杆组件还包括第二凸轮组,所述折叠转轴结构还包括限位片,所述第二凸轮组包括第五凸轮、与所述第五凸轮相对设置的第七凸轮、第六凸轮及与所述第六凸轮相对设置的第八凸轮;所述第三连杆的第二端固定有与所述第三连杆同轴转动的所述第七凸轮,所述第四连杆的第二端固定有与所述第四连杆同轴转动的所述第八凸轮,且所述第七凸轮和所述第八凸轮位于所述第二凸轮连杆组件的同一侧,所述第五凸轮和所述第六凸轮不随所述第三连杆和所述第四连杆转动,所述限位片位于所述第一凸轮轴和所述第二凸轮轴远离所述第五凸轮和所述第六凸轮的一端,且所述第五凸轮和所述第六凸轮相背于所述第七凸轮和第八凸轮的一面均抵持于所述限位片。基于这样的设计,本申请实施例能够在打开或者关闭时均给用户带来阻尼效果。
在一种可能的设计中,所述第一同步组件还包括两个第一同步齿轮,所述第一驱动齿轮与所述第二驱动齿轮之间设置所述两个第一同步齿轮,相邻的所述第一驱动齿轮、所述两个第一同步齿轮与所述第二驱动齿轮相互啮合;所述第二同步组件还包括两个第二同步齿轮,所述第三驱动齿轮与所述第四驱动齿轮之间设置所述两个第二同步齿轮,相邻的所述第三驱动齿轮、所述两个第二同步齿轮与所述第四驱动齿轮相互啮合。基于这样的设计,所述第二同步齿轮可以使得所述第二凸轮连杆组件中的第三 连杆和第四连杆同步运动,保持折叠转轴结构和折叠电子设备的同步性。
在一种可能的设计中,所述第一凸轮和所述第二凸轮通过第一连接板固定连接或一体成型,所述第五凸轮和所述第六凸轮通过第二连接板固定连接或一体成型;所述弹性驱动组件还包括第三凸轮轴、第三弹性件、第四凸轮轴及第四弹性件;所述第三凸轮轴穿设所述第一连接板、一个所述第一同步齿轮、所述阻尼支架、一个所述第二同步齿轮和所述第二连接板;所述第四凸轮轴穿设所述第一连接板、另一个所述第一同步齿轮、所述阻尼支架、另一个所述第二同步齿轮和所述第二连接板;所述第三弹性件套设于所述第三凸轮轴,且所述第三弹性件的两端分别与所述第一连接板背离所述第三凸轮的一面以及所述抵持板弹性抵持;所述第四弹性件套设于所述第四凸轮轴,且所述第四弹性件的两端分别与所述第一连接板背离所述第四凸轮的一面以及所述抵持板弹性抵持。
在一种可能的设计中,所述阻尼组件还包括第三凸轮组,所述阻尼支架包括第九凸轮和第十凸轮,所述第三凸轮组包括与所述第九凸轮相对设置的第十一凸轮、与所述第十凸轮相对设置的第十二凸轮;所述第九凸轮及所述第十一凸轮均套设在所述第一凸轮轴上,所述第十凸轮及所述第十二凸轮均套设在所述第二凸轮轴上,所述第九凸轮与所述第十一凸轮相啮合,所述第十凸轮与所述第十二凸轮相啮合;所述第九凸轮和所述第十凸轮固定于所述阻尼支架的两端,所述第一凸轮轴穿设所述第九凸轮,所述第二凸轮轴穿设所述第十凸轮;所述第三连杆的第二端固定有与所述第三连杆同轴转动的所述第十一凸轮,所述第四连杆的第二端固定有与所述第四连杆同轴转动的所述第十二凸轮;或,所述第一连杆的第二端固定有与所述第一连杆同轴转动的所述第十一凸轮,所述第二连杆的第二端固定有与所述第二连杆同轴转动的所述第十二凸轮。
在一种可能的设计中,所述阻尼组件还包括第三凸轮组,所述第三凸轮组包括第九凸轮、第十凸轮、第十五凸轮和第十六凸轮,所述阻尼支架包括第一双面凸轮及第二双面凸轮,所述第一双面凸轮位于所述第九凸轮与所述第十五凸轮之间,所述第二双面凸轮位于所述第十凸轮与所述第十六凸轮之间,所述第一双面凸轮包括与所述第九凸轮相对设置的第十一凸轮及与所述第十五凸轮相对设置的第十三凸轮,所述第二双面凸轮包括与所述第十凸轮相对设置的第十二凸轮及与所述第十六凸轮相对设置的第十四凸轮;所述第九凸轮、所述第十一凸轮、所述第十三凸轮及第十五凸轮均套设在所述第一凸轮轴上,所述第十凸轮、所述第十二凸轮、所述第十四凸轮及第十六凸轮均套设在所述第二凸轮轴上;所述第一双面凸轮和所述第二双面凸轮固定于所述阻尼支架的两端,所述第一凸轮轴穿设所述第一双面凸轮,所述第二凸轮轴穿设所述第二双面凸轮;所述第九凸轮与所述第十一凸轮相啮合,所述第十凸轮与所述第十二凸轮相啮合,所述第十三凸轮与所述第十五凸轮相啮合,所述第十四凸轮与所述第十六凸轮相啮合;所述第一连杆的第二端固定有与所述第一连杆同轴转动的所述第九凸轮,所述第二连杆的第二端固定有与所述第二连杆同轴转动的所述第十凸轮,所述第三连杆的第二端固定有与所述第三连杆同轴转动的所述第十五凸轮,所述第四连杆的第二端固定有与所述第四连杆同轴转动的所述第十六凸轮。基于这样的设计,本申请实施例能够在打开或者关闭时均给用户带来阻尼效果。
在一种可能的设计中,同轴转动所述阻尼组件还包括第一摩擦片、第二摩擦片和 第三摩擦片;所述第一摩擦片套设在所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和第四凸轮轴上,且所述第一摩擦片靠近所述第一驱动齿轮和所述第二驱动齿轮;所述第二摩擦片的第一端套设在所述第一连杆销轴上,所述第二摩擦片的第二端套设在所述第一凸轮轴上,且所述第二摩擦片的第二端位于所述第一摩擦片与所述阻尼支架之间;所述第三摩擦片的第一端套设在所述第二连杆销轴上,所述第三摩擦片的第二端套设在所述第二凸轮轴上,且所述第三摩擦片的第二端位于所述第一摩擦片与所述阻尼支架之间。基于这样的设计,可以提升折叠电子设备在转动时的阻尼力,能够在打开或者关闭时给用户带来阻尼效果。
在一种可能的设计中,所述阻尼组件还包括第四摩擦片、第五摩擦片和第六摩擦片;所述第四摩擦片套设在所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和第四凸轮轴上;所述第四摩擦片靠近所述第三驱动齿轮和所述第四驱动齿轮设置;所述第五摩擦片的第一端套设于所述第一连杆销轴上,所述第五摩擦片的第二端套设于所述第一凸轮轴上,所述第五摩擦片的第二端位于所述第四摩擦片与所述阻尼支架之间;所述第六摩擦片的第一端套设于所述第二连杆销轴上,所述第六摩擦片的第二端套设于所述第二凸轮轴上,所述第六摩擦片的第二端位于所述第四摩擦片与所述阻尼支架之间同轴转动。基于这样的设计,可以提升折叠电子设备在转动时的阻尼力,能够在打开或者关闭时给用户带来阻尼效果。
在一种可能的设计中,所述弹性驱动组件还包括第五弹性件、第六弹性件和第二抵持板;所述第五弹性件套设于所述第一凸轮轴上,所述第五弹性件的两端分别与所述第五凸轮相背于所述第七凸轮的一面及所述第二抵持板弹性抵持,以抵持于所述限位片;所述第六弹性件套设于所述第二凸轮轴上,所述第六弹性件的两端分别与所述第六凸轮相背于所述第八凸轮的一面以及所述第二抵持板弹性抵持,以抵持于所述限位片。
在一种可能的设计中,所述弹性驱动组件还包括第五弹性件、第六弹性件、第七弹性件、第八弹性件和第二抵持板;所述第五弹性件套设于所述第一凸轮轴上,所述第五弹性件的两端分别与所述第五凸轮相背于所述第七凸轮的一面及所述第二抵持板弹性抵持,以抵持于所述限位片;所述第六弹性件套设于所述第二凸轮轴上,所述第六弹性件的两端分别与所述第六凸轮相背于所述第八凸轮的一面以及所述第二抵持板弹性抵持以抵持于所述限位片;所述第七弹性件套设于所述第三凸轮轴上,所述第七弹性件的两端分别与所述第二连接板背离所述第七凸轮的一面以及所述第二抵持板弹性抵持以抵持于所述限位片;所述第八弹性件套设于所述第四凸轮轴上,所述第八弹性件的两端分别与所述第二连接板背离所述第八凸轮的一面以及所述第二抵持板弹性抵持以抵持于所述限位片。
在一种可能的设计中,所述阻尼组件还包括第一摩擦片、第二摩擦片、第三摩擦片、第四摩擦片、第五摩擦片和第六摩擦片;所述第二摩擦片和第二摩擦片均套设在所述第一凸轮轴、所述第二凸轮、所述第三凸轮轴和所述第四凸轮轴远离所述第一凸轮和所述第二凸轮的一端;所述第五摩擦片和所述第六摩擦片均套设在所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和所述第四凸轮轴远离所述第五凸轮和所述第六凸轮的一端;所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和所述第四凸轮轴的一端上分别套设一个第一摩擦片,且所述第一摩擦片位于所述第二摩擦片与所述 第三摩擦片之间;所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和所述第四凸轮轴的另一端上分别套设一个第四摩擦片,且所述第四摩擦片位于所述第五摩擦片与所述第六摩擦片之间;所述第一弹性件的两端分别与所述第三摩擦片及所述第一凸轮背离所述第三凸轮的一面弹性抵持;所述第二弹性件的两端分别与所述第三摩擦片及所述第二凸轮背离所述第四凸轮的一面弹性抵持;所述第五弹性件的两端分别与所述第六摩擦片及所述第五凸轮背离所述第七凸轮的一面弹性抵持;所述第六弹性件的两端分别与所述第六摩擦片及所述第六凸轮背离所述第八凸轮的一面弹性抵持。
在一种可能的设计中,所述第三弹性件的两端分别与所述第三摩擦片及所述第一连接板背离所述第三凸轮的一面弹性抵持;所述第四弹性件的两端分别与所述第三摩擦片及所述第一连接板背离所述第四凸轮的一面弹性抵持;所述第七弹性件的两端分别与所述第六摩擦片及所述第二连接板背离所述第七凸轮的一面弹性抵持;所述第八弹性件的两端分别与所述第六摩擦片及所述第二连接板背离所述第八凸轮的一面弹性抵持。
在一种可能的设计中,所述第一连杆转动时带动所述第一凸轮轴、所述第二凸轮轴一起转动。
在一种可能的设计中,所述第一连杆转动时带动所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和所述第四凸轮轴一起转动。
第二方面,本申请的实施例还提供一种折叠转轴结构,包括:第一限位片;同轴转动第一凸轮连杆组件,包括对称设置的第一连杆和第二连杆,所述第一连杆和所述第二连杆可相对彼此转动;还包括和第一凸轮组;所述第一凸轮组包括第一凸轮、与所述第一凸轮相对设置的第三凸轮、第二凸轮及与所述第二凸轮相对设置的第四凸轮;其中,所述第一连杆的第二端固定有与所述第一连杆同轴转动的所述第一凸轮,所述第二连杆的第二端固定有与所述第二连杆同轴转动的所述第二凸轮,且所述第一凸轮和所述第二凸轮位于所述第一凸轮连杆组件的同一侧;第二凸轮连杆组件,包括对称设置的第三连杆和第四连杆,所述第三连杆和所述第四连杆可相对彼此转动,且所述第三连杆与所述第一连杆同轴转动,所述第四连杆与所述第二连杆同轴转动;还包括:第二凸轮组,所述第三连杆的第一端通过第一连杆销轴与所述第一连杆的第一端固定连接,所述第四连杆的第一端通过第二连杆销轴与第二连杆的第一端固定连接;所述第二凸轮组包括第五凸轮、与所述第五凸轮相对设置的第七凸轮、第六凸轮及与所述第六凸轮相对设置的第八凸轮;其中,所述第三连杆的第二端固定有与所述第三连杆同轴转动的所述第七凸轮,所述第四连杆的第二端固定有与所述第四连杆同轴转动的所述第八凸轮,且所述第七凸轮和所述第八凸轮位于所述第二凸轮连杆组件的同一侧;第一同步组件,包括第一驱动齿轮及第二驱动齿轮,所述第一驱动齿轮固定于所述第一连杆的第二端,所述第一驱动齿轮设于所述第三凸轮背离所述第一凸轮的一面上;所述第二驱动齿轮固定于所述第二连杆的第二端,所述第二驱动齿轮设于所述第四凸轮背离所述第二凸轮的一面上,所述第一驱动齿轮和所述第二驱动齿轮相互啮合;第二同步组件,包括第三驱动齿轮及第四驱动齿轮,所述第三驱动齿轮固定于所述第三连杆的第二端,所述第四驱动齿轮固定于所述第四连杆的第二端,所述第三驱动齿轮和所述第四驱动齿轮相互啮合;弹性驱动组件,包括第一弹性件、第一凸轮轴、第二凸轮轴和第二弹性件;所述第一弹性件的两端分别与所述第三凸轮背离所述第一凸轮 的一面以及所述第五凸轮背离所述第七凸轮的一面弹性抵持;所述第二弹性件的两端分别与所述第四凸轮背离所述第二凸轮的一面以及所述第六凸轮背离所述第八凸轮的一面弹性抵持;所述第一凸轮轴穿设所述第一限位片、第一连杆和所述第三连杆,所述第一凸轮轴还穿设所述第一凸轮和所述第三凸轮;所述第二凸轮轴穿设第一限位片、所述第二连杆和所述第四连杆,所述第二凸轮轴还穿设所述第二凸轮和所述第四凸轮,所述第一限位片不随所述第一连杆和所述第二连杆转动。
采用本申请实施例,通过将所述弹性驱动组件设置在所述折叠转轴结构的中间位置,所述第一连接板和所述第二连接板可以向中间位置移动,基于这样的设计,同样能够在打开和闭合时给用户带来阻尼效果。
在一种可能的设计中,所述折叠转轴结构还包括第二限位片;所述第二限位片套设于所述第一凸轮轴和所述第二凸轮轴的第二端,所述第二限位不随所述第三连杆和所述第四连杆转动。基于这样的设计,可以增加阻尼力,提升阻尼效果。
第三方面,本申请的实施例还提供一种折叠电子设备,包括柔性屏、第一壳体及第二壳体,所述折叠电子设备还包括如上述所述的折叠转轴结构;所述第一壳体和所述第二壳体通过所述折叠转轴结构相对转动或背向转动;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、所述折叠转轴结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。
本申请提供的折叠转轴结构及折叠电子设备通过在折叠转轴结构中设置阻尼组件,该阻尼组件在弹性驱动组件的驱动作用下,与第一凸轮连杆组件和第二凸轮连杆组件产生摩擦副,进而产生转动的阻尼力,能够在打开或者关闭时给用户带来阻尼效果。
附图说明
图1为本申请实施例提供的一种折叠电子设备的示意图。
图2为本申请实施例中的折叠转轴结构的示意图。
图3为本申请实施例的折叠转轴结构的拆解示意图。
图4为本申请实施例的折叠转轴结构的另一拆解示意图。
图5为本申请的折叠转轴结构的另一实施例的示意图。
图6为本申请的折叠转轴结构的另一实施例的示意图。
图7为本申请的折叠转轴结构的另一实施例的示意图。
图8为本申请的折叠转轴结构的另一实施例的示意图。
图9为本申请的折叠转轴结构的另一实施例的示意图。
图10为本申请的折叠转轴结构的另一实施例的示意图。
图11为本申请的折叠转轴结构的另一实施例的示意图。
图12为本申请的折叠转轴结构的另一实施例的示意图。
图13为本申请的折叠转轴结构的另一实施例的示意图。
图14为本申请的折叠转轴结构的另一实施例的示意图。
图15为本申请的折叠转轴结构的另一实施例的示意图。
图16为本申请的折叠转轴结构的另一实施例的示意图。
图17为本申请的折叠转轴结构的另一实施例的示意图。
图18为本申请的折叠转轴结构的另一实施例的示意图。
图19为本申请的折叠转轴结构的另一实施例的示意图。
图20为本申请的折叠转轴结构的另一实施例的示意图。
图21为本申请的折叠转轴结构的另一实施例的示意图。
主要元件符号说明
100-折叠电子设备;10-折叠转轴结构;20-第一壳体;30-第二壳体;40-柔性屏;11-第一凸轮连杆组件;12-第二凸轮连杆组件;111-第一连杆;112-第二连杆;1111-第一固定孔;1121-第二固定孔;113-第一凸轮组;1132-第一凸轮;1133-第三凸轮;1134-第二凸轮;1135-第四凸轮;114-第一连接板;1141、1142、1241、1242-通孔;121-第三连杆;1211-第三固定孔;122-第四连杆;1221-第四固定孔;123-第二凸轮组;1232-第五凸轮;1233-第七凸轮;1234-第六凸轮;1235-第八凸轮;124-第二连接板;13-阻尼组件;131-阻尼支架;132-第三凸轮组;1321-第九凸轮;1323-第十凸轮;1322-第十一凸轮;1324-第十二凸轮;1331-第十三凸轮;1333-第十四凸轮;1332-第十五凸轮;1334-第十六凸轮;134-第一摩擦片;135-第二摩擦片;136-第三摩擦片;137-第四摩擦片;138-第五摩擦片;139-第六摩擦片;141-第一抵持板;142-第一凸轮轴;143-第一弹性件;144-第二凸轮轴;145-第二弹性件;146-第三凸轮轴;147-第三弹性件;148-第四凸轮轴;149-第四弹性件;1410-第五弹性件;1411-第六弹性件;1412-第七弹性件;1413-第八弹性件;15-限位片;151-第一开槽;152-第二开槽;153-第三开槽;154-第四开槽;16-第一连杆销轴;17-第二连杆销轴;18-第一同步组件;181-第一驱动齿轮;182-第二驱动齿轮;183-第一同步齿轮;19-第二同步组件;191-第三驱动齿轮;192-第四驱动齿轮;193-第二同步齿轮;
如下具体实施方式将结合上述附图进一步详细说明本申请。
具体实施方式
需要说明的是,当一个元件被认为是“连接”另一个元件,它可以是直接连接到另一个元件或者可能同时存在居中设置的元件。当一个元件被认为是“设置在”另一个元件,它可以是直接设置在另一个元件上或者可能同时存在居中设置的元件。
除非另有定义,本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的,不是旨在于限制本申请。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
请参阅图1,为本申请实施例提供的一种折叠电子设备100的结构示意图。在一些可能的实现方式中,所述折叠电子设备100可以为折叠手机、折叠平板、折叠电脑、折叠笔记本、车载移动装置、搭载有柔性折叠显示屏的电子设备等中的至少一种。本申请的实施例中,所述折叠电子设备100可以为折叠手机且其折叠方式为内折叠,也可以为外折叠。
所述折叠电子设备100可以包括折叠转轴结构10、第一壳体20、第二壳体30和柔性屏40。所述折叠电子设备100的相对两侧分别连接第一壳体20和第二壳体30,以使第一壳体20和第二壳体30通过所述折叠转轴结构10相对转动或背向转动,实现在展平状态和折叠状态之间切换。所述柔性屏40设于所述第一壳体20、所述折叠转轴结构10和所述第二壳体30上。具体地,所述第一壳体20包括第一表面,所述第二壳体30包括第二表面,所述柔性屏40连续覆盖于所述第一壳体20的第一表面、所述折叠转轴结构10以及所述第二壳体30的第二表面,且所述柔性屏40分别与所述第一壳体20的第一表面和所述第二壳体30的第二表面固定连接。
可以理解,在一些实现方式中,所述柔性屏40可以用于显示信息并为用户提供交互界面,所述柔性屏40可以采用点胶等方式固定连接于所述第一壳体20和所述第二壳体30。所述第一壳体20和所述第二壳体30可以分别形成安装空间,以用于安装所述折叠电子设备100的电路板、电池、受话器、扬声器、摄像头等电子元器件。其中,电路板可以集成折叠电子设备100的主控制器、存储单元、天线模块、电源管理模块等电子元器件,电池则可以为柔性屏、电路板、受话器、扬声器、摄像头等电子元器件供电。
当所述第一壳体20和所述第二壳体30相向转动至相互层叠时(层叠指侧部可以无间隙贴合,或者间隔相对),所述折叠电子设备100可以处于折叠状态。相反地,当所述第一壳体20和所述第二壳体30由相互层叠状态起,背向转动直至极限位置时,即无法继续背向转动时,此时所述第一壳体20和所述第二壳体30展平,所述折叠电子设备100处于展平状态。当所述折叠电子设备100在完全展平时,所述柔性屏40可以被展平,此时所述折叠电子设备100具有大屏显示的效果。在折叠状态时,所述第一壳体20叠设于所述第二壳体30,并且所述柔性屏40可以夹设于所述第一壳体20和所述第二壳体30之间。
可以理解,所述折叠电子设备100可以打开0°-180°。即,所述折叠电子设备100可以展平或完全闭合。可选地,所述折叠电子设备100可以打开30°,70°,150°及180°。当所述折叠电子设备100打开70°-150°时,所述折叠电子设备100可以在所需要的角度自由停止。可以理解,所述折叠电子设备100在0°-180°中的任意一个角度均可以自由停止。
本申请提供一种可以在打开和折叠过程中具有阻尼手感的折叠电子设备100,上述功能主要通过所述折叠电子设备100的折叠转轴结构10来实现。为了方便理解,下面结合附图以及具体的实施方式对其进行详细的描述。
请一并参阅图2至图4,为本申请提供的一种折叠转轴结构10的一个实施例的结构示意图。
可以理解,本实施例中,所述折叠转轴结构10可以包括第一凸轮连杆组件11、第二凸轮连杆组件12、阻尼组件13、弹性驱动组件14、限位片15、第一连杆销轴16 以及第二连杆销轴17。
具体地,所述第一凸轮连杆组件11可以包括第一连杆111、第二连杆112、第一凸轮组113、第一连接板114。所述第一连杆111和所述第二连杆112对称设置,且所述第一连杆111和所述第二连杆112可以相对彼此转动。所述第一凸轮组113可以包括啮合的第一凸轮1132及与所述第一凸轮1132相对设置的第三凸轮1133。所述第一凸轮组113还可以包括啮合的第二凸轮1134及与所述第二凸轮1134相对设置的第四凸轮1135。所述第一凸轮1132可以设置在所述第一连接板114的第一端,所述第三凸轮1133设置在所述第一连接板114的第二端。需要说明的是,在本申请实施例中,第一凸轮1132与第二凸轮1134只要不随第一连杆111和第二连杆112转动即可,因此,第一凸轮1132与第二凸轮1134除了可以通过第一连接板114固定连接或者做成连体凸轮的结构,也可以通过其他方式固定,本申请不作具体限定。
在本申请的一个实施例中,所述第一凸轮1132和所述第二凸轮1134固定连接或一体成型。
所述第一连杆111的第一端可以与所述第一连杆销轴16的第一端固定连接。具体地,所述第一连杆111的第一端可以设有第一固定孔1111,所述第一固定孔1111可以与所述第一连杆销轴16的第一端相配合,所述第一连杆销轴16的第一端可以插入所述第一固定孔1111,并固定在所述第一固定孔1111内。所述第二连杆112的第一端可以与所述第二连杆销轴17的第一端固定连接。具体地,所述第二连杆112的第一端可以设有第二固定孔1121,所述第二固定孔1121可以与所述第二连杆销轴17的第一端相配合,所述第二连杆销轴17的第一端可以插入所述第二固定孔1121,并固定在所述第二固定孔1121内。
可以理解,所述第一连杆111的第二端固定有与所述第一连杆111同轴转动的所述第三凸轮1133,所述第二连杆112的第二端固定有与所述第二连杆112同轴转动的所述第四凸轮1135,且所述第三凸轮1133和所述第四凸轮1135位于所述第一凸轮连杆组件11的同一侧。
在本实施例中,所述第二凸轮连杆组件12可以包括第三连杆121、第四连杆122、第二凸轮组123和第二连接板124。所述第三连杆121和所述第四连杆122对称设置,且所述第三连杆121和所述第四连杆122可以相对彼此转动。其中,所述第三连杆121与所述第一连杆111同轴转动,所述第四连杆122与所述第二连杆112同轴转动。所述第二凸轮组123可以包括啮合的第五凸轮1232及与所述第五凸轮1232相对设置的第七凸轮1233。所述第二凸轮组123还可以包括啮合的第六凸轮1234及与所述第六凸轮1234相对设置的第八凸轮1235。所述第五凸轮1232固定于所述第三连杆121的第二端,所述第七凸轮1233可以设置在所述第二连接板124的第一端,所述第六凸轮1234固定于所述第四连杆122的第二端,所述第八凸轮1235可以设置在所述第二连接板124的第二端。类似的,在本申请实施例中,第七凸轮1233与第八凸轮1235只要不随第三连杆121和第四连杆122转动即可,因此,第七凸轮1233与第八凸轮1235除了可以通过第二连接板124固定连接或者做成连体凸轮的结构,也可以通过其他方式固定,本申请不作具体限定。
所述第三连杆121的第一端可以与所述第一连杆销轴16的第二端固定连接。具体地,所述第三连杆121的第一端可以设有第三固定孔1211,所述第三固定孔1211可 以与所述第一连杆销轴16的第二端相配合,所述第一连杆销轴16的第二端可以插入所述第三固定孔1211,并固定在所述第三固定孔1211内。所述第四连杆122的第一端可以与所述第二连杆销轴17的第二端固定连接。具体地,所述第四连杆122的第一端可以设有第四固定孔1221,所述第四固定孔1221可以与所述第二连杆销轴17的第二端相配合,所述第二连杆销轴17的第二端可以插入所述第四固定孔1221,并固定在所述第四固定孔1221内。可以理解,所述第三连杆121的第二端固定有与所述第三连杆121同轴转动的所述第五凸轮1232,所述第四连杆122的第二端固定有与所述第四连杆122同轴转动的所述第六凸轮1234,且所述第五凸轮1232和所述第六凸轮1234位于所述第二凸轮连杆组件12的同一侧。
所述弹性驱动组件14包括第一抵持板141、第一凸轮轴142、第一弹性件143、第二凸轮轴144及第二弹性件145。所述第一凸轮轴142的一端可与所述第一抵持板141连接,所述第一凸轮轴142的另一端可以贯穿所述第一弹性件143并穿设于第一连杆111和所述第三连杆121的转动轴心,从而实现第一连杆111和第三连杆121的相对转动,还穿设所述第一凸轮1132和第七凸轮1233的轴心。所述第二凸轮轴144的一端与所述第一抵持板141连接,所述第二凸轮轴144的另一端可以贯穿所述第二弹性件145并穿设于第二连杆112和所述第四连杆122的转动轴心,从而实现第二连杆112和所述第四连杆122的相对转动,还穿设所述第二凸轮1134和第八凸轮1235的轴心。所述第一弹性件143及所述第二弹性件145分别套设在所述第一凸轮轴142和所述第二凸轮轴144上。所述第一弹性件143的两端分别与所述第一凸轮1132背离所述第三凸轮1133的一面以及所述第一抵持板141弹性抵持。所述第二弹性件145的两端分别与所述第二凸轮1134背离所述第四凸轮1135的一面以及所述第一抵持板141弹性抵持。基于这样的设计,所述第一凸轮轴142可以依次穿过所述第一抵持板141、第一弹性件143、所述第一凸轮1132及所述第三凸轮1133。所述第二凸轮轴144可以依次穿过所述第一抵持板141、第二弹性件145、所述第二凸轮1134及所述第四凸轮1135。
可以理解,所述第一凸轮轴142可以穿设所述第一连杆111和所述第三连杆121,所述第二凸轮轴144可以穿设所述第二连杆112和所述第四连杆122,以使所述第一连杆111和所述第二连杆112相对彼此转动,所述第三连杆121和所述第四连杆122相对彼此转动。
本实施例中,所述第一凸轮1132和所述第三凸轮1133上相对的一面分别设置有啮合的凸起和缺口。所述第二凸轮1134和所述第四凸轮1135上相对的一面分别设置有啮合的凸起和缺口。基于这样的设计,所述弹性驱动组件14可以驱动所述第一凸轮组113中的第一凸轮1132与第三凸轮1133以及第二凸轮1134与第四凸轮1135配合作用以展开或折叠所述折叠电子设备100。具体地,所述弹性驱动组件14用于提供弹性驱动力以使所述第一凸轮1132与所述第三凸轮1133及所述第二凸轮1134与所述第四凸轮1135可沿所述第一连杆111和所述第二连杆112转动的转动轴线方向相互靠近。所述第五凸轮1232和所述第七凸轮1233上相对的一面分别设置有啮合的凸起和缺口。所述第六凸轮1234和所述第八凸轮1235上相对的一面分别设置有啮合的凸起和缺口。基于这样的设计,所述弹性驱动组件14可以驱动所述第二凸轮组123中的第五凸轮1232与第七凸轮1233以及第六凸轮1234与第八凸轮1235配合作用以展开或 折叠所述折叠电子设备100。具体地,所述弹性驱动组件14用于提供弹性驱动力以使所述第五凸轮1232与第七凸轮1233及所述第六凸轮1234与第八凸轮1235可沿所述第二凸轮连杆组件12的长度方向相互靠近。
在本实施例中,所述第一弹性件143及第二弹性件145均可以为蓄能弹簧。
本实施例中,所述折叠转轴结构10还包括第一同步组件18。
所述第一同步组件18可以包括第一驱动齿轮181及第二驱动齿轮182。所述第一驱动齿轮181固定于所述第一连杆111的第二端,所述第一驱动齿轮181设于所述第三凸轮1133背离所述第一凸轮1132的一面上且套设于所述第一凸轮轴142上。所述第二驱动齿轮182固定于所述第二连杆112的第二端,所述第二驱动齿轮182可以设于所述第四凸轮1135背离所述第二凸轮1134的一面上且套设于所述第二凸轮轴144上。在这种应用场景下,所述第一驱动齿轮181和所述第二驱动齿轮182可以相互啮合。
本实施例中,所述折叠转轴结构10还可以包括第二同步组件19。
所述第二同步组件19可以包括第三驱动齿轮191及第四驱动齿轮192。所述第三驱动齿轮191固定于所述第三连杆121的第二端,所述第三驱动齿轮191可以套设于所述第一凸轮轴142上。所述第四驱动齿轮192固定于所述第四连杆122的第二端,所述第四驱动齿轮192可以套设于所述第二凸轮轴144上。在这种应用场景下,所述第三驱动齿轮191和所述第四驱动齿轮192可以相互啮合。
基于这样的设计,所述第一连杆111、第二连杆112、第三连杆121和第四连杆122均为带有驱动齿轮结构的连杆,可以用于带动其他部件运动。例如,所述第一连杆111和所述第二连杆112之间的相互啮合,以及所述第三连杆121和第四连杆122之间的相互啮合来确保所述折叠电子设备100运动的同步性。所述第一连杆111和所述第三连杆121之间通过第一连杆销轴16连接,所述第二连杆112和所述第四连杆122之间通过所述第二连杆销轴17连接,由此亦可以保持所述折叠电子设备100的运动同步。
本实施例中,所述阻尼组件13包括阻尼支架131。
所述阻尼支架131设置在所述第一凸轮连杆组件11与所述第二凸轮连杆组件12之间,并在弹力作用下转动会产生一定的摩擦阻尼力,由此可以确保在设定的角度里产生阻尼力。具体地,所述阻尼支架131设置在所述第一连杆111与第二连杆112之间以及所述第三连杆121和第四连杆122之间。
具体地,所述阻尼支架131设有通孔1311和通孔1312,所述第二连接板124设有通孔1241和通孔1242,所述限位片15可以设有第一开槽151和第二开槽152。基于这样的设计,所述第一凸轮轴142的第二端可以依次穿过所述第一抵持板141、所述第一弹性件143、所述第一凸轮1132、所述第三凸轮1133、所述第一驱动齿轮181、所述阻尼支架131的通孔1311、所述第三驱动齿轮191、所述第二连接板124的通孔1241及所述第一开槽151,从而卡扣在所述第一开槽151内。所述第二凸轮轴144可以依次穿过所述第一抵持板141、所述第二弹性件145、所述第二凸轮1134及所述第四凸轮1135、所述第二驱动齿轮182、所述阻尼支架131的通孔1312、所述第四驱动齿轮192、所述第二连接板124的通孔1242及所述第二开槽152,从而卡扣在所述第二开槽152内。基于这样的设计,所述限位片15可以确保所述第一凸轮轴142和第二 凸轮轴144在弹簧力作用下,不会从所述折叠转轴结构10中脱出。可以理解,所述限位片15位于所述第一凸轮轴142和所述第二凸轮轴144远离所述第五凸轮和所述第六凸轮的一端,且所述第五凸轮1232和所述第六凸轮1234相背于所述第七凸轮1233和第八凸轮1235的一面均抵持于所述限位片15。
可以理解,所述弹性驱动组件14可以提供弹性驱动力以使所述第一凸轮1132与所述第三凸轮1133,以及所述第二凸轮1134与所述第四凸轮1135可沿所述第一连杆111和所述第二连杆112转动的转动轴线方向相互靠近。
基于这样的设计,所述阻尼支架131在所述弹性驱动组件14提供驱动力的作用下,可以与所述第一连杆111、第二连杆112、第三连杆121和第四连杆122之间产生摩擦副,由此提升转动阻尼力,实现折叠电子设备100转动的中间悬停要求,为用户提供阻尼感。
可以理解,在另一种可能的实施例中,所述第一同步组件18还可以进一步包括双数个第一同步齿轮183,所述第二同步组件19还可以进一步包括双数个第二同步齿轮193,所述第一驱动齿轮181与所述第二驱动齿轮182之间可以设置所述第一同步齿轮183。在这种应用场景下,相邻的所述第一驱动齿轮181、所述第一同步齿轮183与所述第二驱动齿轮182可以相互啮合。所述第三驱动齿轮191与所述第四驱动齿轮192之间可以设置所述第二同步齿轮193。在这种应用场景下,相邻的所述第三驱动齿轮191、所述第二同步齿轮193与所述第四驱动齿轮192可以相互啮合。
在一些可能的实现方式中,所述弹性驱动组件14还可以进一步包括第三凸轮轴146、第三弹性件147、第四凸轮轴148及第四弹性件149。所述第三凸轮轴146的一端可与所述第一抵持板141连接,所述第三凸轮轴146的另一端可以贯穿所述第三弹性件147及第一连接板114,并依次穿设所述第一同步齿轮183、阻尼支架131、第二同步齿轮193、第二连接板124及限位片15,并固定于所述限位片15。所述第四凸轮轴148的一端与所述第一抵持板141连接,所述第四凸轮轴148的另一端可以贯穿所述第四弹性件149及第一连接板114,并依次穿设所述第一同步齿轮183、阻尼支架131、第二同步齿轮193、第二连接板124及限位片15,并固定于所述限位片15。所述第三弹性件147及所述第四弹性件149分别套设在所述第三凸轮轴146和所述第四凸轮轴148上。所述第三弹性件147的两端分别与所述第一连接板114背离所述第三凸轮1133的一面以及所述第一抵持板141弹性抵持。所述第四弹性件149的两端分别与所述第一连接板114背离所述第四凸轮1135的一面以及所述第一抵持板141弹性抵持。
具体地,所述限位片15还设有第三开槽153和第四开槽154,所述第三凸轮轴146的第二端可以依次穿过所述第一抵持板141、所述第三弹性件147、所述第一连接板114、所述第一同步齿轮183、所述阻尼支架131、所述第二同步齿轮193、所述第二连接板124以及所述第三开槽153,并固定在所述第三开槽153内。所述第四凸轮轴148可以依次穿过所述第一抵持板141、所述第四弹性件149、所述第一连接板114、所述第一同步齿轮183、所述阻尼支架131、所述第二同步齿轮193、所述第二连接板124以及所述第四开槽154,并固定在所述第四开槽154内。
本实施例中,所述第三弹性件147及第四弹性件149均可以为蓄能弹簧。
可以理解,在一些实施例中,所述第一凸轮轴142可以穿设所述第一连杆111和 所述第三连杆121,所述第一凸轮轴142还穿设所述第一凸轮1132和所述阻尼支架131。所述第二凸轮轴144可以穿设所述第二连杆112和所述第四连杆122,所述第二凸轮轴144还穿设所述第二凸轮1134和所述阻尼支架131。
请参阅图5,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图2示出的折叠转轴结构10的实施例的区别在于,如图5所示,本实施例中的所述第二连接板124、第三连杆121和第四连杆122均没有设置相互啮合的凸轮结构。所述阻尼支架131可以在弹力作用下转动会产生一定的摩擦阻尼力,由此可以确保在设定的角度里产生阻尼力。本实施例中,所述折叠转轴结构10可以采用更少的结构元件,为用户提供阻尼手感,结构简单。
请参阅图6,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图2至图4示出的折叠转轴结构10的实施例的区别在于,如图6所示,本实施例中的所述第一连接板114、第一连杆111和第二连杆112均没有设置相互啮合的凸轮结构。所述阻尼支架131可以在弹力作用下转动会产生一定的摩擦阻尼力,由此可以确保在设定的角度里产生阻尼力。本实施例中,所述折叠转轴结构10可以采用更少的结构元件,为用户提供阻尼手感,结构简单。
请参阅图7,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图2示出的折叠转轴结构10的实施例的区别在于,本实施例中,所述弹性驱动组件14还可以进一步包括第五弹性件1410、第六弹性件1411、第七弹性件1412、第八弹性件1413及第二抵持板(图中未示出)。
如图7所示,本实施例中,所述第五弹性件1410套设在所述第一凸轮轴142上,所述第六弹性件1411套设在所述第二凸轮轴144,所述第七弹性件1412套设在所述第三凸轮轴146上,所述第八弹性件1413套设在所述第四凸轮轴148上。
所述第五弹性件1410的两端分别与所述第二连接板124背离所述第七凸轮1233的一面以及所述第二抵持板弹性抵持,以抵持于所述限位片15。所述第六弹性件1411的两端分别与所述第二连接板124背离所述第八凸轮1235的一面以及所述第二凸轮轴144的第二端弹性抵持。
所述第七弹性件1412的两端分别与所述第二连接板124背离所述第七凸轮1233的一面以及所述第二抵持板弹性抵持,以抵持于所述限位片15。所述第八弹性件1413的两端分别与所述第二连接板124背离所述第八凸轮1235的一面以及所述第二连接板弹性抵持,以抵持于所述限位片15。本实施例中,所述第五弹性件1410、所述第六弹性件1411、所述第七弹性件1412及所述第八弹性件1413均可以为蓄能弹簧。
请参阅图8及图9,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图2示出的折叠转轴结构10的实施例的区别在于,本实施例中的所述阻尼组件13包括阻尼支架131及第三凸轮组132。
本实施例中,所述阻尼支架131的两端设有第九凸轮1321及第十凸轮1323,所述第三凸轮组132可以包括与所述第九凸轮1321相对设置的第十一凸轮1322、与所述第十凸轮1323相对设置的第十二凸轮1324。所述第九凸轮1321及所述第十一凸轮1322均套设在所述第一凸轮轴142上。所述第十凸轮1323及所述第十二凸轮1324均套设在所述第二凸轮轴144上。
可以理解,所述第九凸轮1321和所述第十凸轮1323固定于所述阻尼支架131的两端。所述第三连杆121的第二端固定有与所述第三连杆121同轴转动的所述第十一凸轮1322,所述第四连杆122的第二端固定有与所述第四连杆122同轴转动的所述第十二凸轮1324。所述阻尼支架131套设在所述第三凸轮轴146和所述第四凸轮轴148上。所述阻尼支架131靠近所述第一凸轮连杆组件11设置。
如图9所示,本实施例中,所述阻尼支架131的两端设有第十一凸轮1322及第十二凸轮1324。所述第三凸轮组132可以包括与所述第十一凸轮1322相对设置的第九凸轮1321及与所述第十二凸轮1324相对设置的第十凸轮1323,所述第十一凸轮1322及第十二凸轮1324固定于所述阻尼支架131的两端。所述第一连杆111的第二端固定有与所述第一连杆111同轴转动的所述第九凸轮1321,所述第二连杆112的第二端固定有与所述第二连杆112同轴转动的所述第十凸轮1323。所述阻尼支架131套设在所述第三凸轮轴146和所述第四凸轮轴148上。所述阻尼支架131靠近所述第二凸轮连杆组件12设置。
请参阅图10,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图8示出的折叠转轴结构10的实施例的区别在于,如图10所示,本实施例中,所述第三凸轮组132包括第九凸轮1321、第十凸轮1323、第十五凸轮1332、第十六凸轮1334、以及阻尼支架131。其中,所述阻尼支架131的两端分别设有第一双面凸轮和第二双面凸轮。所述第一双面凸轮与所述第二双面凸轮固定在所述阻尼支架131的两端,所述第一凸轮轴142可以穿设所述第一双面凸轮,所述第二凸轮轴144可以穿设所述第二双面凸轮。所述第一双面凸轮可以包括第十一凸轮1322和第十三凸轮1331,所述第二双面凸轮可以包括第十二凸轮1324和第十四凸轮1333。
所述第九凸轮1321与所述第十一凸轮1322相对设置,所述第十三凸轮1331与第十五凸轮1332相对设置,所述第十凸轮1323与所述第十二凸轮1324相对设置,第十四凸轮1333与第十六凸轮1334相对设置。
本实施例中,所述第九凸轮1321、所述第十一凸轮1322、所述第十三凸轮1331和所述第十五凸轮1332均套设在所述第一凸轮轴142上,所述第十凸轮1323、所述第十二凸轮1324、所述第十四凸轮1333及所述第十六凸轮1334均套设在所述第二凸轮轴144上。
所述第九凸轮1321与所述第十一凸轮1322相啮合,所述第十凸轮1323与所述第十二凸轮1324相啮合。所述第十三凸轮1331与所述第十五凸轮1332相啮合,所述第十四凸轮1333与所述第十六凸轮1334相啮合。所述阻尼支架131套设在所述第三凸轮轴146和所述第四凸轮轴148上。所述第十一凸轮1322与所述第十三凸轮1331固定于所述阻尼支架131的第一端,所述第十二凸轮1324和所述第十四凸轮1333固定于所述阻尼支架131的第二端。
基于图8至图10示出的实施例,可以在有限的空间内获得更大的扭力,若折叠电子设备100的空间受限,当弹性件的弹力受限时,可以通过增加凹凸轮对数来实现更大的转动保持力和自展平或自闭合驱动扭力。
请参阅图11,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。与图2示出的折叠转轴结构10的实施例的区别在于,本实施例中的所述阻尼组件13可以包括阻尼支架131、第一摩擦片134、第二摩擦片135和第三摩擦片136。
所述第一摩擦片134套设在所述第一凸轮轴142、所述第二凸轮轴144、所述第三凸轮轴146和第四凸轮轴148上,且所述第一摩擦片134靠近所述第一驱动齿轮181和所述第二驱动齿轮182设置,即此时的第一摩擦片134为静摩擦片。所述第二摩擦片135的第一端套设在所述第一连杆销轴16上,所述第二摩擦片135的第二端套设在所述第一凸轮轴142上,且所述第二摩擦片135的第二端位于所述第一摩擦片134与所述阻尼支架131之间。即此时的所述第二摩擦片135为动摩擦片,可以与所述第一连杆111同轴转动。
所述第三摩擦片136的第一端套设在所述第二连杆销轴17上,所述第三摩擦片136的第二端套设在所述第二凸轮轴144上,且所述第三摩擦片136的第二端位于所述第一摩擦片134与所述阻尼支架131之间。即此时的所述第三摩擦片136为动摩擦片,可以与所述第二连杆112同轴转动。
更进一步,本实施例中,所述阻尼组件13还可以包括第四摩擦片、第五摩擦片及第六摩擦片,即该第一摩擦片134与所述第一凸轮连杆组件11之间还可以设置第四摩擦片,第五摩擦片的第一端套设在所述第一连杆销轴16上,所述五摩擦片的第二端可以套设在所述第一凸轮轴142上,且所述第四摩擦片的第二端位于所述第一摩擦片134与所述第四摩擦片之间。所述第六摩擦片的第一端可以套设在所述第二连杆销轴17上,所述第六摩擦片的第二端可以套设在所述第二凸轮轴144上,且所述第六摩擦片的第二端位于所述第一摩擦片134与所述第四摩擦片之间。
请参阅图12,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。与图11示出的折叠转轴结构10的实施例的区别在于,所述第一摩擦片134靠近所述第三驱动齿轮191和所述第四驱动齿轮192设置。所述第二摩擦片135的第一端套设在所述第一连杆销轴16上,所述第二摩擦片135的第二端套设在所述第一凸轮轴142上,且所述第二摩擦片135的第二端位于所述第一摩擦片134与所述阻尼支架131之间。即此时的所述第二摩擦片135为动摩擦片,可以与所述第一连杆111同轴转动。所述第三摩擦片136的第一端套设在所述第二连杆销轴17上,所述第三摩擦片136的第二端套设在所述第二凸轮轴144上,且所述第三摩擦片136的第二端位于所述第一摩擦片134与所述阻尼支架131之间。即此时的所述第三摩擦片136为动摩擦片,可以与所述第二连杆112同轴转动。
请参阅图13,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。与图11示出的折叠转轴结构10的实施例的区别在于,本实施例中,所述阻尼组件13还可以进一步包括第四摩擦片137、第五摩擦片138和第六摩擦片139。
所述第四摩擦片137套设在所述第一凸轮轴142、所述第二凸轮轴144、所述第三凸轮轴146和第四凸轮轴148上,且所述第四摩擦片137靠近所述第三驱动齿轮191和所述第四驱动齿轮192设置。所述第五摩擦片138的第一端套设于所述第一连杆销轴16上,所述第五摩擦片138的第二端套设于所述第一凸轮轴142上,所述第五摩擦片138的第二端位于所述第四摩擦片与所述阻尼支架131之间。所述第六摩擦片139的第一端套设于所述第二连杆销轴17上,所述第六摩擦片139的第二端套设于所述第二凸轮轴144上,所述第六摩擦片139的第二端位于所述第四摩擦片137与所述阻尼支架131之间。
基于图11至图12示出的实施例,当弹性件的弹力受限时,可以通过增加摩擦副 的对数来实现更大的中间悬停力。
请参阅图14,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。与图8示出的折叠转轴结构10的实施例的区别在于,本实施例中,所述阻尼组件13还可以进一步包括第一摩擦片134、第二摩擦片135和第三摩擦片136。
所述第一摩擦片134套设在所述第一凸轮轴142、所述第二凸轮轴144、所述第三凸轮轴146和第四凸轮轴148上,且所述第一摩擦片134靠近所述第一驱动齿轮181和所述第二驱动齿轮182设置。所述第二摩擦片135的第一端套设在所述第一连杆销轴16上,所述第二摩擦片135的第二端套设在所述第一凸轮轴142上,且所述第二摩擦片135的第二端位于所述第一摩擦片134与所述第九凸轮1321之间,所述第九凸轮1321套设于所述第一凸轮轴142上。所述第三摩擦片136的第一端套设于所述第二连杆销轴17上,所述第三摩擦片136的第二端套设于所述第二凸轮轴144,上,且所述第三摩擦片136的第二端位于所述第十凸轮1323与所述第一摩擦片134之间。
请参阅图15,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。与图14示出的折叠转轴结构10的实施例的区别在于,本实施例中,所述第一摩擦片134靠近所述第三驱动齿轮191和所述第四驱动齿轮192设置。所述第一摩擦片134套设在所述第一凸轮轴142、所述第二凸轮轴144、所述第三凸轮轴146和第四凸轮轴148上。
所述第二摩擦片135的第一端套设在所述第一连杆销轴16上,所述第二摩擦片135的第二端套设在所述第一凸轮轴142上,且所述第二摩擦片135的第二端位于所述第一摩擦片134与所述第十一凸轮1322之间。
所述第三摩擦片136的第一端套设于所述第二连杆销轴17上,所述第三摩擦片136的第二端套设于所述第二凸轮轴144,上,且所述第三摩擦片136的第二端位于所述第十二凸轮1324与所述第一摩擦片134之间。
在一个实施例中,如图16所示,所述第一凸轮轴142和所述第二凸轮轴144均可以为扁轴或异形轴。在其他可能的实施例中,所述第三凸轮轴146以及所述第四凸轮轴148亦可以为扁轴或异形轴,即所述第一凸轮1132的轴孔、所述第二凸轮1134的轴孔、所述第一同步齿轮183的轴孔均为扁孔或异形孔。基于这样的设计,可以保证第一连杆111转动时可以带动所述第一凸轮轴142、所述第二凸轮轴144、所述第三凸轮轴146以及所述第四凸轮轴148一起转动。
请参阅图17,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图7示出的折叠转轴结构10的实施例的区别在于,本实施例中,所述阻尼组件13包括阻尼支架131、第一摩擦片134、第二摩擦片135和第三摩擦片136。
所述第一凸轮轴142的第一端、所述第二凸轮轴144的第一端、所述第三凸轮轴146的第一端和所述第四凸轮轴148的第一端均套设有第二摩擦片135和所述第三摩擦片136,所述第一弹性件143的第一端、所述第二弹性件145的第一端、所述第三弹性件147的第一端、所述第四弹性件149的第一端均弹性抵持于所述第三摩擦片136。所述第一凸轮轴142的第一端、所述第二凸轮轴144的第一端、所述第三凸轮轴146的第一端和所述第四凸轮轴148的第一端上分别套设有一个第一摩擦片134,所述第一摩擦片134位于所述第二摩擦片135和所述第三摩擦片136之间。
所述第一凸轮轴142的第二端、所述第二凸轮轴144的第二端、所述第三凸轮轴 146的第二端和所述第四凸轮轴148的第二端均套设有第二摩擦片135和所述第三摩擦片136,所述第五弹性件1410的第一端、所述第六弹性件1411的第一端、所述第七弹性件1412的第一端及所述第八弹性件1413的第一端均弹性抵持于所述第三摩擦片136。所述第一凸轮轴142的第二端、所述第二凸轮轴144的第二端、所述第三凸轮轴146的第二端和所述第四凸轮轴148的第二端上分别套设有一个第一摩擦片134,所述第一摩擦片134位于所述第二摩擦片135和所述第三摩擦片136之间。
在一些可能的实施例中,所述第二摩擦片135可以是第一抵持板。在另外一些可能的实施例中,也可以在所述第二摩擦片135与所述第一凸轮轴142、所述第二凸轮轴144、所述第三凸轮轴146和所述第四凸轮轴148的第一端之间再增加一个第一抵持板141,或者,也可以在所述第三摩擦片136与所述第一弹性件143、第二弹性件145、第三弹性件147及第四弹性件149之间再增加一个第一抵持板141。
基于这样的设计,在弹性件的远端有第二摩擦片135和第三摩擦片136为静摩擦片,第一摩擦片134为动摩擦片,可以随着所述第一凸轮轴142、所述第二凸轮轴144、所述第三凸轮轴146以及所述第四凸轮轴148转动而一起转动。基于这样的设计,提升转动阻尼力,实现转动的中间悬停要求,为用户提供阻尼感。
可以理解,本实施例中,所述折叠转轴结构10可以在两侧均设有多个摩擦片,在其他的一些可能的实施例中,所述折叠转轴结构10也可以在单侧设有多个摩擦片。
请参阅图18,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图17示出的折叠转轴结构10的实施例的区别在于,本实施例中,所述阻尼组件13还进一步包括第三凸轮组132。
本实施例中,所述第三凸轮组132可以包括啮合的第九凸轮1321、与所述第九凸轮1321相对设置的第十一凸轮1322、啮合的第十凸轮1323、与所述第十凸轮1323相对设置的第十二凸轮1324。所述第九凸轮1321及所述第十一凸轮1322均套设在所述第一凸轮轴142上。所述第十凸轮1323及所述第十二凸轮1324均套设在所述第二凸轮轴144上。
可以理解,所述第九凸轮1321固定于所述阻尼支架131的第一端,所述第十凸轮1323固定于所述阻尼支架131的第二端。所述第三连杆121的第二端固定有与所述第三连杆121同轴转动的所述第十一凸轮1322,所述第四连杆122的第二端固定有与所述第四连杆122同轴转动的所述第十二凸轮1324。所述阻尼支架131套设在所述第三凸轮轴146和所述第四凸轮轴148上。所述阻尼支架131靠近所述第一凸轮连杆组件11的位置设置。如图19所示,在另一个实施例中,所述阻尼支架131可以靠近所述第二凸轮连杆组件12的位置而设置。所述第十一凸轮1322固定于所述阻尼支架131的第一端,所述第十二凸轮1324固定于所述阻尼支架131的第二端。所述第一连杆111的第二端固定有与所述第一连杆111同轴转动的所述第九凸轮1321,所述第二连杆112的第二端固定有与所述第二连杆112同轴转动的所述第十凸轮1323。所述阻尼支架131套设在所述第三凸轮轴146和所述第四凸轮轴148上。
请参阅图20,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图18示出的折叠转轴结构10的实施例的区别在于,本实施例中,如图20所示,本实施例中的所述折叠转轴结构10还包括第四凸轮组133,所述第四凸轮组133可以包括啮合的第十三凸轮1331、与所述第十三凸轮1331相对设置的第十五凸轮1332、 啮合的第十四凸轮1333及与所述第十四凸轮1333相对设置的第十六凸轮1334。
本实施例中,所述第九凸轮1321、所述第十一凸轮1322、所述第十三凸轮1331和所述第十五凸轮1332均套设在所述第一凸轮轴142上,所述第十凸轮1323、所述第十二凸轮1324、所述第十四凸轮1333及所述第十六凸轮1334均套设在所述第二凸轮轴144上。
所述第九凸轮1321与所述第十一凸轮1322相啮合,所述第十凸轮1323与所述第十二凸轮1324相啮合。所述第十三凸轮1331与所述第十五凸轮1332相啮合,所述第十四凸轮1333与所述第十六凸轮1334相啮合。所述阻尼支架131套设在所述第三凸轮轴146和所述第四凸轮轴148上。所述第十一凸轮1322与所述第十三凸轮1331固定于所述阻尼支架131的第一端,所述第十二凸轮1324和所述第十四凸轮1333固定于所述阻尼支架131的第二端。
基于图17至图20示出的实施例,当动摩擦片的强度受限时,通过远端设置摩擦副配合凹凸轮对数来调整开合扭力,并且简化了传动机构,提高了空间利用率。
请参阅图21,为本申请的另一个实施例提供的折叠转轴结构10的结构示意图。
与图2示出的折叠转轴结构10的实施例的区别在于:
本实施例中,所述折叠转轴结构10可以包括第一凸轮连杆组件11、第二凸轮连杆组件12、弹性驱动组件14、限位片15、第一连杆销轴16、第二连杆销轴17、第一同步组件18和第二同步组件19。
所述第一凸轮连杆组件11可以包括第一连杆111、第二连杆112、第一凸轮组113、第一连接板114。所述第一凸轮组113可以包括啮合的第一凸轮1132及与所述第一凸轮1132相对设置的第三凸轮1133。所述第一凸轮组113还可以包括啮合的第二凸轮1134及与所述第二凸轮1134相对设置的第四凸轮1135。所述第三凸轮1133可以设置在所述第一连接板114的第一端,所述第四凸轮1135可以设置在所述第一连接板114的第二端。
所述第二凸轮连杆组件12可以包括第三连杆121、第四连杆122、第二凸轮组123和第二连接板124。所述第二凸轮组123可以包括啮合的第五凸轮1232及与所述第五凸轮1232相对设置的第七凸轮1233。所述第二凸轮组123还可以包括啮合的第六凸轮1234及与所述第六凸轮1234相对设置的第八凸轮1235。所述第五凸轮1232可以设置在所述第二连接板124的第一端,所述第六凸轮1234可以设置在所述第二连接板124的第二端。
所述第一连杆111通过所述第一连杆销轴16与所述第三连杆121固定连接,所述第二连杆112通过所述第二连杆销轴17与所述第四连杆122固定连接。
所述第一连杆111的第二端固定有与所述第一连杆111同轴转动的所述第一凸轮1132,所述第二连杆112的第二端固定有与所述第二连杆112同轴转动的所述第二凸轮1134,且所述第一凸轮1132和所述第二凸轮1134均位于所述第一凸轮连杆组件11的同一侧。所述第三连杆121的第二端固定有与所述第三连杆121同轴转动的所述第七凸轮1233,所述第四连杆122的第二端固定有与所述第四连杆122同轴转动的所述第八凸轮1235,且所述第七凸轮1233和所述第八凸轮1235位于所述第二凸轮连杆组件12的同一侧。
所述弹性驱动组件14包括第一凸轮轴142、第一弹性件143、第二凸轮轴144及 第二弹性件145。所述第一凸轮轴142的一端可与所述限位片15连接,所述第一凸轮轴142的另一端可以贯穿第一凸轮1132的轴心并与所述第三凸轮1133的轴心连接,并依次穿设所述第一连接板114、第一弹性件143、第二连接板124、第五凸轮1232、及第七凸轮1233与另一个限位片15连接。所述第二凸轮轴144的一端与所述限位片15连接,所述第二凸轮轴144的另一端可以贯穿第二凸轮1134的轴心并与所述第四凸轮1135的轴心连接,并依次穿设所述第一连接板114、第二弹性件145、第二连接板124、第六凸轮1234、及第八凸轮1235与另一个限位片15连接。所述第一弹性件143的两端分别与所述第一连接板114背离所述第三凸轮1133的一面以及所述第二连接板124背离所述第五凸轮1232的一面弹性抵持。所述第二弹性件145的两端分别与所述第一连接板114背离所述第三凸轮1133的一面以及所述第二连接板124背离所述第五凸轮1232的一面弹性抵持。
所述第一同步组件18可以包括第一驱动齿轮181及第二驱动齿轮182及双数个第一同步齿轮183。所述第一驱动齿轮181固定于所述第一连杆111的第二端,所述第一驱动齿轮181设于所述第三凸轮1133背离所述第一凸轮1132的一面上且套设于所述第一凸轮轴142上。所述第二驱动齿轮182固定于所述第二连杆112的第二端,所述第二驱动齿轮182可以设于所述第四凸轮1135背离所述第二凸轮1134的一面上且套设于所述第二凸轮轴144上。所述第一驱动齿轮181与所述第二驱动齿轮182之间可以设置所述第一同步齿轮183。在这种应用场景下,相邻的所述第一驱动齿轮181、所述第一同步齿轮183与所述第二驱动齿轮182可以相互啮合。
所述第二同步组件19可以包括第三驱动齿轮191及第四驱动齿轮192及双数个第二同步齿轮193。所述第三驱动齿轮191固定于所述第三连杆121的第二端,所述第三驱动齿轮191可以套设于所述第一凸轮轴142上。所述第四驱动齿轮192固定于所述第四连杆122的第二端,所述第四驱动齿轮192可以套设于所述第二凸轮轴144上。在这种应用场景下,所述第三驱动齿轮191和所述第四驱动齿轮192可以相互啮合。所述第三驱动齿轮191与所述第四驱动齿轮192之间可以设置所述第二同步齿轮193。在这种应用场景下,相邻的所述第三驱动齿轮191、所述第二同步齿轮193与所述第四驱动齿轮192可以相互啮合。
在一些可能的实现方式中,所述弹性驱动组件14还可以进一步包括第三凸轮轴146、第三弹性件147、第四凸轮轴148及第四弹性件149。所述第三弹性件147及所述第四弹性件149分别套设在所述第三凸轮轴146和所述第四凸轮轴148上。
所述第三凸轮轴146的一端可与所述限位片15连接,所述第三凸轮轴146的另一端可以依次贯穿所述第一同步齿轮183、所述第一连接板114、第三弹性件147、所述第二连接板124及所述第二同步齿轮193,以与另一个限位片15连接。所述第四凸轮轴148的一端与所述限位片15连接,所述第四凸轮轴148的另一端可以依次贯穿所述第一同步齿轮183、所述第一连接板114、第三弹性件147、所述第二连接板124及所述第二同步齿轮193,以与另一个限位片15连接。所述第三弹性件147的两端分别与所述第一连接板114背离所述第三凸轮1133的一面以及所述第二连接板124背离所述第五凸轮1232的一面弹性抵持。所述第四弹性件149的两端分别与所述第一连接板114背离所述第四凸轮1135的一面以及所述第二连接板124背离所述第六凸轮1234的一面弹性抵持。
本实施例中,所述限位片15不会随着所述第一连杆111和第二连杆112的转动而转动,且另一个限位片15也不会随着所述第三连杆121和第四连杆122的转动而转动。基于这样的设计,所述限位片15与所述第一连杆111和第二连杆112之间可以产生摩擦副,产生阻尼力,另一个所述限位片15也可以与所述第三连杆121和第四连杆122之间可以产生摩擦副产生阻尼力。
在另外一种可能的实施例中,所述限位片15与所述第一凸轮连杆组件11之间可以设有摩擦副,所述限位片15与所述第二凸轮连杆组件12之间页可以设有摩擦副,基于这样的设计,可以进一步提升摩擦阻尼力,提升阻尼效果。
基于图21所示出的实施例,所述弹性驱动组件14可以设置在所述折叠转轴结构的中间位置,所述第一连接板114和所述第二连接板124可以向中间位置移动,基于这样的设计,同样能够在打开和闭合时给用户带来阻尼效果。
本申请提供的折叠转轴结构及折叠电子设备在0-180°之间都有摩擦力,可以实现特定角度阻尼力的实现,可以在接近180°时能自动展平并保持展平状态,在接近0°时能自动闭合并保持闭合状态,在0-180°的中间角度能自由悬停。本申请实施例提供的折叠转轴结构及折叠电子设备能够在打开和闭合时给用户带来阻尼效果,所述折叠转轴结构的应用场景较为广泛。
以上所述,仅是本申请的较佳实施方式而已,并非对本申请任何形式上的限制,虽然本申请已是较佳实施方式揭露如上,并非用以限定本申请,任何熟悉本专业的技术人员,在不脱离本申请技术方案范围内,当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施方式,但凡是未脱离本申请技术方案内容,依据本申请的技术实质对以上实施方式所做的任何简单修改、等同变化与修饰,均仍属于本申请技术方案的范围内。

Claims (15)

  1. 一种折叠转轴结构,其特征在于,包括:
    第一凸轮连杆组件,包括对称设置的第一连杆和第二连杆,所述第一连杆和所述第二连杆可相对彼此转动;还包括第一凸轮组;所述第一凸轮组包括第一凸轮、与所述第一凸轮相对设置的第三凸轮、第二凸轮及与所述第二凸轮相对设置的第四凸轮;
    其中,所述第一连杆的第二端固定有与所述第一连杆同轴转动的所述第三凸轮,所述第二连杆的第二端固定有与所述第二连杆同轴转动的所述第四凸轮,且所述第三凸轮和所述第四凸轮位于所述第一凸轮连杆组件的同一侧;所述第一凸轮和所述第二凸轮不随所述第一连杆和所述第二连杆转动;
    第二凸轮连杆组件,包括对称设置的第三连杆和第四连杆,所述第三连杆和所述第四连杆可相对彼此转动,且所述第三连杆与所述第一连杆同轴转动,所述第四连杆与所述第二连杆同轴转动;所述第三连杆的第一端通过第一连杆销轴与所述第一连杆的第一端固定连接,所述第四连杆的第一端通过第二连杆销轴与第二连杆的第一端固定连接;
    第一同步组件,包括第一驱动齿轮及第二驱动齿轮,所述第一驱动齿轮固定于所述第一连杆的第二端,所述第一驱动齿轮设于所述第三凸轮背离所述第一凸轮的一面上;所述第二驱动齿轮固定于所述第二连杆的第二端,所述第二驱动齿轮设于所述第四凸轮背离所述第二凸轮的一面上,所述第一驱动齿轮和所述第二驱动齿轮相互啮合;
    第二同步组件,包括第三驱动齿轮及第四驱动齿轮,所述第三驱动齿轮固定于所述第三连杆的第二端,所述第四驱动齿轮固定于所述第四连杆的第二端,所述第三驱动齿轮和所述第四驱动齿轮相互啮合;
    弹性驱动组件,用于提供弹性驱动力以使所述第一凸轮与所述第三凸轮,以及所述第二凸轮与所述第四凸轮可沿所述第一连杆和所述第二连杆转动连接的转动轴线方向相互靠近;
    阻尼组件,包括阻尼支架,所述阻尼支架设置在所述第一凸轮连杆组件与所述第二凸轮连杆组件之间,并在弹力作用下转动,以产生摩擦阻尼力。
  2. 如权利要求1所述的折叠转轴结构,其特征在于,所述弹性驱动组件包括第一抵持板、第一凸轮轴、第一弹性件、第二凸轮轴及第二弹性件;
    所述第一凸轮轴穿设所述第一连杆和所述第三连杆,所述第二凸轮轴穿设所述第二连杆和所述第四连杆,以使所述第一连杆和所述第二连杆相对彼此转动,所述第三连杆和所述第四连杆相对彼此转动;
    所述第一凸轮轴还穿设所述第一凸轮和所述阻尼支架,所述第二凸轮轴还穿设所述第二凸轮和所述阻尼支架;
    所述第一抵持板位于所述第一凸轮轴和所述第二凸轮轴远离所述第一凸轮和所述第二凸轮的一端;
    所述第一弹性件套设于所述第一凸轮轴,且所述第一弹性件的两端分别与所述第一凸轮背离所述第三凸轮的一面以及所述第一抵持板弹性抵持;
    所述第二弹性件套设于所述第二凸轮轴,所述第二弹性件的两端分别与所述第二 凸轮背离所述第四凸轮的一面以及所述第一抵持板弹性抵持。
  3. 如权利要求2所述的折叠转轴结构,其特征在于,
    所述第二凸轮连杆组件还包括第二凸轮组,所述折叠转轴结构还包括限位片,所述第二凸轮组包括第五凸轮、与所述第五凸轮相对设置的第七凸轮、第六凸轮及与所述第六凸轮相对设置的第八凸轮;所述第三连杆的第二端固定有与所述第三连杆同轴转动的所述第七凸轮,所述第四连杆的第二端固定有与所述第四连杆同轴转动的所述第八凸轮,且所述第七凸轮和所述第八凸轮位于所述第二凸轮连杆组件的同一侧,所述第五凸轮和所述第六凸轮不随所述第三连杆和所述第四连杆转动;
    所述限位片位于所述第一凸轮轴和所述第二凸轮轴远离所述第五凸轮和所述第六凸轮的一端,且所述第五凸轮和所述第六凸轮相背于所述第七凸轮和第八凸轮的一面均抵持于所述限位片。
  4. 如权利要求3所述的折叠转轴结构,其特征在于,
    所述第一同步组件还包括两个第一同步齿轮,所述第一驱动齿轮与所述第二驱动齿轮之间设置所述两个第一同步齿轮,相邻的所述第一驱动齿轮、所述两个第一同步齿轮与所述第二驱动齿轮相互啮合;
    所述第二同步组件还包括两个第二同步齿轮,所述第三驱动齿轮与所述第四驱动齿轮之间设置所述两个第二同步齿轮,相邻的所述第三驱动齿轮、所述两个第二同步齿轮与所述第四驱动齿轮相互啮合。
  5. 如权利要求4所述的折叠转轴结构,其特征在于,
    所述第一凸轮和所述第二凸轮通过第一连接板固定连接或一体成型,所述第五凸轮和所述第六凸轮通过第二连接板固定连接或一体成型;
    所述弹性驱动组件还包括第三凸轮轴、第三弹性件、第四凸轮轴及第四弹性件;
    所述第三凸轮轴穿设所述第一连接板、一个所述第一同步齿轮、所述阻尼支架、一个所述第二同步齿轮和所述第二连接板;
    所述第四凸轮轴穿设所述第一连接板、另一个所述第一同步齿轮、所述阻尼支架、另一个所述第二同步齿轮和所述第二连接板;
    所述第三弹性件套设于所述第三凸轮轴,且所述第三弹性件的两端分别与所述第一连接板背离所述第三凸轮的一面以及所述抵持板弹性抵持;
    所述第四弹性件套设于所述第四凸轮轴,且所述第四弹性件的两端分别与所述第一连接板背离所述第四凸轮的一面以及所述抵持板弹性抵持。
  6. 如权利要求5所述的折叠转轴结构,其特征在于,
    所述阻尼组件还包括第三凸轮组,所述阻尼支架包括第九凸轮和第十凸轮,所述第三凸轮组包括与所述第九凸轮相对设置的第十一凸轮、与所述第十凸轮相对设置的第十二凸轮;所述第九凸轮及所述第十一凸轮均套设在所述第一凸轮轴上,所述第十凸轮及所述第十二凸轮均套设在所述第二凸轮轴上,所述第九凸轮与所述第十一凸轮相啮合,所述第十凸轮与所述第十二凸轮相啮合;
    所述第九凸轮和所述第十凸轮固定于所述阻尼支架的两端,所述第一凸轮轴穿设所述第九凸轮,所述第二凸轮轴穿设所述第十凸轮;
    所述第三连杆的第二端固定有与所述第三连杆同轴转动的所述第十一凸轮,所述第四连杆的第二端固定有与所述第四连杆同轴转动的所述第十二凸轮;或,所述第一 连杆的第二端固定有与所述第一连杆同轴转动的所述第十一凸轮,所述第二连杆的第二端固定有与所述第二连杆同轴转动的所述第十二凸轮。
  7. 如权利要求5所述的折叠转轴结构,其特征在于,
    所述阻尼组件还包括第三凸轮组,所述第三凸轮组包括第九凸轮、第十凸轮、第十五凸轮和第十六凸轮,所述阻尼支架包括第一双面凸轮及第二双面凸轮,所述第一双面凸轮位于所述第九凸轮与所述第十五凸轮之间,所述第二双面凸轮位于所述第十凸轮与所述第十六凸轮之间,所述第一双面凸轮包括与所述第九凸轮相对设置的第十一凸轮及与所述第十五凸轮相对设置的第十三凸轮,所述第二双面凸轮包括与所述第十凸轮相对设置的第十二凸轮及与所述第十六凸轮相对设置的第十四凸轮;所述第九凸轮、所述第十一凸轮、所述第十三凸轮及第十五凸轮均套设在所述第一凸轮轴上,所述第十凸轮、所述第十二凸轮、所述第十四凸轮及第十六凸轮均套设在所述第二凸轮轴上;
    所述第一双面凸轮和所述第二双面凸轮固定于所述阻尼支架的两端,所述第一凸轮轴穿设所述第一双面凸轮,所述第二凸轮轴穿设所述第二双面凸轮;所述第九凸轮与所述第十一凸轮相啮合,所述第十凸轮与所述第十二凸轮相啮合,所述第十三凸轮与所述第十五凸轮相啮合,所述第十四凸轮与所述第十六凸轮相啮合;
    所述第一连杆的第二端固定有与所述第一连杆同轴转动的所述第九凸轮,所述第二连杆的第二端固定有与所述第二连杆同轴转动的所述第十凸轮,所述第三连杆的第二端固定有与所述第三连杆同轴转动的所述第十五凸轮,所述第四连杆的第二端固定有与所述第四连杆同轴转动的所述第十六凸轮。
  8. 如权利要求5所述的折叠转轴结构,其特征在于,
    所述阻尼组件还包括第一摩擦片、第二摩擦片和第三摩擦片;所述第一摩擦片套设在所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和第四凸轮轴上,且所述第一摩擦片靠近所述第一驱动齿轮和所述第二驱动齿轮设置;所述第二摩擦片的第一端套设在所述第一连杆销轴上,所述第二摩擦片的第二端套设在所述第一凸轮轴上,且所述第二摩擦片的第二端位于所述第一摩擦片与所述阻尼支架之间;所述第三摩擦片的第一端套设在所述第二连杆销轴上,所述第三摩擦片的第二端套设在所述第二凸轮轴上,且所述第三摩擦片的第二端位于所述第一摩擦片与所述阻尼支架之间。
  9. 如权利要求8所述的折叠转轴结构,其特征在于,
    所述阻尼组件还包括第四摩擦片、第五摩擦片和第六摩擦片;所述第四摩擦片套设在所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和第四凸轮轴上;所述第四摩擦片靠近所述第三驱动齿轮和所述第四驱动齿轮设置;所述第五摩擦片的第一端套设于所述第一连杆销轴上,所述第五摩擦片的第二端套设于所述第一凸轮轴上,所述第五摩擦片的第二端位于所述第四摩擦片与所述阻尼支架之间;所述第六摩擦片的第一端套设于所述第二连杆销轴上,所述第六摩擦片的第二端套设于所述第二凸轮轴上,所述第六摩擦片的第二端位于所述第四摩擦片与所述阻尼支架之间。
  10. 如权利要求3所述的折叠转轴结构,其特征在于,
    所述弹性驱动组件还包括第五弹性件、第六弹性件和第二抵持板;
    所述第五弹性件套设于所述第一凸轮轴上,所述第五弹性件的两端分别与所述第五凸轮相背于所述第七凸轮的一面及所述第二抵持板弹性抵持以抵持于所述限位片;
    所述第六弹性件套设于所述第二凸轮轴上,所述第六弹性件的两端分别与所述第六凸轮相背于所述第八凸轮的一面以及所述第二抵持板弹性抵持以抵持于所述限位片。
  11. 如权利要求5所述的折叠转轴结构,其特征在于,
    所述弹性驱动组件还包括第五弹性件、第六弹性件、第七弹性件、第八弹性件和第二抵持板;
    所述第五弹性件套设于所述第一凸轮轴上,所述第五弹性件的两端分别与所述第五凸轮相背于所述第七凸轮的一面及所述第二抵持板弹性抵持,以抵持于所述限位片;
    所述第六弹性件套设于所述第二凸轮轴上,所述第六弹性件的两端分别与所述第六凸轮相背于所述第八凸轮的一面以及所述第二抵持板弹性抵持以抵持于所述限位片;
    所述第七弹性件套设于所述第三凸轮轴上,所述第七弹性件的两端分别与所述第二连接板背离所述第七凸轮的一面以及所述第二抵持板弹性抵持以抵持于所述限位片;
    所述第八弹性件套设于所述第四凸轮轴上,所述第八弹性件的两端分别与所述第二连接板背离所述第八凸轮的一面以及所述第二抵持板弹性抵持以抵持于所述限位片。
  12. 如权利要求10所述的折叠转轴结构,其特征在于,
    所述阻尼组件还包括第一摩擦片、第二摩擦片和第三摩擦片、第四摩擦片、第五摩擦片和第六摩擦片;
    所述第二摩擦片和所述第三摩擦片均套设在所述第一凸轮轴、所述第二凸轮、所述第三凸轮轴和所述第四凸轮轴远离所述第一凸轮和所述第二凸轮的一端;所述第五摩擦片和所述第六摩擦片均套设在所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和所述第四凸轮轴远离所述第五凸轮和所述第六凸轮的一端;
    所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和所述第四凸轮轴的一端上分别套设一个第一摩擦片,且所述第一摩擦片位于所述第二摩擦片与所述第三摩擦片之间;所述第一凸轮轴、所述第二凸轮轴、所述第三凸轮轴和所述第四凸轮轴的另一端上分别套设一个第四摩擦片,且所述第四摩擦片位于所述第五摩擦片与所述第六摩擦片之间;所述第一弹性件的两端分别与所述第三摩擦片及所述第一凸轮背离所述第三凸轮的一面弹性抵持;所述第二弹性件的两端分别与所述第三摩擦片及所述第二凸轮背离所述第四凸轮的一面弹性抵持;
    所述第五弹性件的两端分别与所述第六摩擦片及所述第五凸轮背离所述第七凸轮的一面弹性抵持;所述第六弹性件的两端分别与所述第六摩擦片及所述第六凸轮背离所述第八凸轮的一面弹性抵持。
  13. 一种折叠转轴结构,其特征在于,包括:
    第一限位片;
    第一凸轮连杆组件,包括对称设置的第一连杆和第二连杆,所述第一连杆和所述第二连杆可相对彼此转动;还包括和第一凸轮组;所述第一凸轮组包括第一凸轮、与所述第一凸轮相对设置的第三凸轮、第二凸轮及与所述第二凸轮相对设置的第四凸轮;
    其中,所述第一连杆的第二端固定有与所述第一连杆同轴转动的所述第一凸轮, 所述第二连杆的第二端固定有与所述第二连杆同轴转动的所述第二凸轮,且所述第一凸轮和所述第二凸轮位于所述第一凸轮连杆组件的同一侧;
    第二凸轮连杆组件,包括对称设置的第三连杆和第四连杆,所述第三连杆和所述第四连杆可相对彼此转动,且所述第三连杆与所述第一连杆同轴转动,所述第四连杆与所述第二连杆同轴转动;还包括:第二凸轮组,所述第三连杆的第一端通过第一连杆销轴与所述第一连杆的第一端固定连接,所述第四连杆的第一端通过第二连杆销轴与第二连杆的第一端固定连接;所述第二凸轮组包括第五凸轮、与所述第五凸轮相对设置的第七凸轮、第六凸轮及与所述第六凸轮相对设置的第八凸轮;
    其中,所述第三连杆的第二端固定有与所述第三连杆同轴转动的所述第七凸轮,所述第四连杆的第二端固定有与所述第四连杆同轴转动的所述第八凸轮,且所述第七凸轮和所述第八凸轮位于所述第二凸轮连杆组件的同一侧;
    第一同步组件,包括第一驱动齿轮及第二驱动齿轮,所述第一驱动齿轮固定于所述第一连杆的第二端,所述第一驱动齿轮设于所述第三凸轮背离所述第一凸轮的一面上;所述第二驱动齿轮固定于所述第二连杆的第二端,所述第二驱动齿轮设于所述第四凸轮背离所述第二凸轮的一面上,所述第一驱动齿轮和所述第二驱动齿轮相互啮合;
    第二同步组件,包括第三驱动齿轮及第四驱动齿轮,所述第三驱动齿轮固定于所述第三连杆的第二端,所述第四驱动齿轮固定于所述第四连杆的第二端,所述第三驱动齿轮和所述第四驱动齿轮相互啮合;
    弹性驱动组件,包括第一弹性件、第一凸轮轴、第二凸轮轴和第二弹性件;所述第一弹性件的两端分别与所述第三凸轮背离所述第一凸轮的一面以及所述第五凸轮背离所述第七凸轮的一面弹性抵持;所述第二弹性件的两端分别与所述第四凸轮背离所述第二凸轮的一面以及所述第六凸轮背离所述第八凸轮的一面弹性抵持;所述第一凸轮轴穿设所述第一限位片、第一连杆和所述第三连杆,所述第一凸轮轴还穿设所述第一凸轮和所述第三凸轮;所述第二凸轮轴穿设第一限位片、所述第二连杆和所述第四连杆,所述第二凸轮轴还穿设所述第二凸轮和所述第四凸轮,所述第一限位片不随所述第一连杆和所述第二连杆转动。
  14. 如权利要求13所述的折叠转轴结构,其特征在于,还包括:
    所述折叠转轴结构还包括第二限位片;
    所述第二限位片套设于所述第一凸轮轴和所述第二凸轮轴的第二端,所述第二限位不随所述第三连杆和所述第四连杆转动。
  15. 一种折叠电子设备,包括柔性屏、第一壳体及第二壳体,其特征在于,所述折叠电子设备还包括如权利要求1-12任一项所述的折叠转轴结构或者如权利要求13-14任一项所述的折叠转轴结构;
    所述第一壳体和所述第二壳体通过所述折叠转轴结构相对转动或背向转动;
    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、所述折叠转轴结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。
PCT/CN2022/098452 2021-06-17 2022-06-13 折叠转轴结构及折叠电子设备 WO2022262684A1 (zh)

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