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WO2020029062A1 - 转轴连接机构和可折叠的设备 - Google Patents

转轴连接机构和可折叠的设备 Download PDF

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Publication number
WO2020029062A1
WO2020029062A1 PCT/CN2018/099132 CN2018099132W WO2020029062A1 WO 2020029062 A1 WO2020029062 A1 WO 2020029062A1 CN 2018099132 W CN2018099132 W CN 2018099132W WO 2020029062 A1 WO2020029062 A1 WO 2020029062A1
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WO
WIPO (PCT)
Prior art keywords
rotating shaft
shaft
connection
block
rotation
Prior art date
Application number
PCT/CN2018/099132
Other languages
English (en)
French (fr)
Inventor
黄波
加藤秀夫
毛维华
徐灏文
廖奕翔
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to KR1020217002389A priority Critical patent/KR102444383B1/ko
Priority to US17/266,118 priority patent/US11630491B2/en
Priority to PCT/CN2018/099132 priority patent/WO2020029062A1/zh
Priority to EP18929790.6A priority patent/EP3809678B1/en
Priority to JP2021506431A priority patent/JP7064053B2/ja
Priority to CN201880074631.4A priority patent/CN111357261B/zh
Publication of WO2020029062A1 publication Critical patent/WO2020029062A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges

Definitions

  • the present application relates to the field of electronic equipment, and more particularly, to a hinge connection mechanism and a foldable device.
  • OLED organic light-emitting diode
  • the present application provides a hinge connection mechanism and a foldable device, which can realize the characteristic that the length of the screen remains unchanged during the process of being expanded or folded.
  • a shaft connecting mechanism in a first aspect, includes:
  • the connecting components include: a slide block and a driving piece;
  • Each of the rotation shafts is provided with a spiral groove, and the rotation directions of the spiral grooves on the two rotation shafts are opposite;
  • the slideway block is provided with a projection protruding toward the driving piece
  • the driving piece is disposed between the slide block and a rotating shaft corresponding to the connecting component, and a chute is provided to allow a boss of the slide block to be inserted.
  • the driving piece is provided with a connecting member, and The spiral groove of the rotation shaft of the connection component is far from one end of the rotation shaft, and the connection piece is nested on the rotation shaft corresponding to the connection component;
  • the synchronous driving block is disposed between two of the rotating shafts, and a positioning convex portion capable of inserting a spiral groove of each of the rotating shafts is provided in the first direction, and a first A connecting piece and a second connecting piece, and the first connecting piece and the second connecting piece are disposed on both sides of the connecting piece on the driving piece, and the first direction and the axis of each of the rotating shafts Parallel to the direction.
  • the rotating shaft connecting mechanism provided in the embodiment of the present application is provided with two rotating shafts, a synchronous driving block, and a connecting component corresponding to each rotating shaft.
  • the connecting component includes a middle slide block and a driving piece.
  • the two rotating shafts rotate synchronously, at the same time, drive the driving plate to slide in a first direction parallel to the axial direction of the rotating shaft, and based on the chute on the driving plate, the slide block that is cooperatively connected with the driving plate is driven away from or close to the rotating shaft Slide in the direction, and finally, turn the rotation of the shaft into slide of the slide block.
  • the hinge connection mechanism When the hinge connection mechanism is configured on a device with a flexible screen, the slide block is connected to the chassis of the device, and finally the chassis of the device is driven to slide away from or close to the hinge. In this way, when the flexible screen is folded, The movement of the hinge connection mechanism can provide effective accommodation space for the curved area of the flexible screen. When the flexible screen is unfolded, the movement of the hinge connection mechanism can slowly flatten the flexible screen, which effectively ensures that the length of the flexible screen remains unchanged.
  • the synchronous driving block simultaneously realizes the function of driving the driving plate to slide in the first direction and the function of synchronously rotating the two rotating shafts.
  • the relative error increases the overall accuracy of the rotating shaft.
  • the other rotating shaft can be driven faster, reducing the stuck problem caused by the rotating delay of the rotating shaft, and improving the user experience.
  • the driving plate can simultaneously realize the sliding of the driving plate in the first direction and drive the slide block to move away from or close to the rotating shaft.
  • the accumulated tolerance is small, and the relative error between rotation and sliding can be better controlled. Control the resistance during the sliding of the slide block, and improve the user's operating experience.
  • the slide block further includes:
  • Two grooves with openings facing each other are respectively provided at positions close to both ends of the slide block in the first direction;
  • connection component further includes:
  • a sliding sheet is provided between the slide block and a rotation shaft corresponding to the connecting component, and two protruding ends corresponding to two grooves of the slide block are provided, each of the protruding ends Inserted into a corresponding groove in the slide block, the sliding piece is rotationally connected to a rotation shaft corresponding to the connection component, and the sliding piece and the driving piece are slidingly connected in the first direction.
  • connection between the protruding end of the sliding piece provided in the shaft connecting mechanism and the groove on the slide block can effectively ensure that the slide block is only in one direction as far as possible when the slide block is moved relative to the shaft. (Ie, the width direction of the slide block) moves linearly.
  • connection component further includes:
  • each of the sliding piece fixing blocks is rotatably connected to a rotation shaft corresponding to the connection component, and each of the sliding piece fixing blocks is fixedly connected to the sliding piece.
  • a rotation shaft corresponding to the connection component is a reducing shaft
  • each of the sliding piece fixing blocks is rotationally connected to a first part corresponding to the rotation shaft of the connection component, and the first The radius of the portion is smaller than the radius of the portion provided with the spiral groove in the rotating shaft corresponding to the connection component.
  • the rotating shaft connection mechanism further includes:
  • Lifting block assembly which includes a screen supporting lifting block and two eccentric wheels corresponding to two of the rotating shafts, wherein:
  • the two eccentric wheels are respectively fixedly connected to the same ends of the two rotation shafts, and the two eccentric wheels are slidably connected to the screen support lifting block, so that each rotation shaft corresponds to each of the rotation shafts.
  • the eccentric wheel of the rotating shaft rotates around the rotating shaft to drive the screen support lifting block to move in the first direction.
  • the rotation shaft connection mechanism provided in the embodiment of the present application includes an elevator block assembly including an eccentric wheel and a screen supporting lifting block arranged on the rotating shaft.
  • the eccentric wheel is fixed on the rotating shaft, and the screen supporting lifting block is slidably connected with the eccentric wheel.
  • the eccentric wheel fixed on the rotating shaft can be rotated with the rotating shaft and drive the screen support lifting block to move in the first direction parallel to the axial direction of the rotating shaft, achieving good shaft support between the rotating shafts, and providing a flexible screen Better support to improve user experience.
  • the lifting block assembly is connected to the rotating shaft, the rotating shaft connecting mechanism also increases the strength and anti-twisting performance of the device as a whole.
  • connection component further includes:
  • a screen support flap one end of the screen support flap is fixedly connected to one end of a shaft corresponding to the connection component, and the other end of the screen support flap is connected to the screen when the shaft connection mechanism is configured on the device
  • the slanting moving chute in the casing of the device is slidably connected, so that the screen support flap slides in the slanting moving chute when the rotation axis corresponding to the connecting component rotates.
  • the screen support flap can provide support for the flexible screen to support the flexible screen.
  • the rotating shaft connecting mechanism further includes a fixing block sleeved outside the two rotating shafts, and,
  • One end of a screen support flap in the connection assembly is fixedly connected to a rotation shaft corresponding to the connection assembly through the fixing block.
  • a direction of an inclined groove of a driving plate in a connection component corresponding to each of the rotating shafts is opposite to a rotation direction of a spiral groove of each of the rotating shafts;
  • the direction of the inclined grooves of the driving plate in the connection assembly corresponding to each of the rotating shafts is the same as the rotation direction of the spiral grooves of each of the rotating shafts.
  • the rotating shaft connection mechanism further includes:
  • the damping plate is close to the ends of the two rotating shafts, and the damping plate is in interference fit with the two rotating shafts.
  • the resistance during the rotation of the shaft can be increased.
  • the resistance of the device during the rotation of the shaft can be increased by the damping plate to increase the resistance of the device.
  • the resistance during the closing process so that the device can maintain a stable state at any angle within a certain angle range during opening and closing.
  • the rotating shaft connection mechanism further includes:
  • a two-axis fixing block is on a side of a spiral groove of each of the rotating shafts near an end of the rotating shaft, and the two-axis fixing block is rotatably connected to two of the rotating shafts.
  • the distance between the two shafts can be kept constant during the synchronous rotation of the two shafts of the shaft connecting mechanism.
  • an included angle between the direction of the chute on the driving piece with respect to the length direction of the driving piece and the direction of the slide block toward or away from the rotation axis corresponding to the connecting component is related to the sliding amount of the driving piece in the first direction, the length direction of the driving piece is perpendicular to the axial direction of the rotation shaft corresponding to the connection component, and when the rotation shaft connection mechanism When arranged on a device, the length direction of the driving piece is perpendicular to the thickness direction of the device.
  • the included angle is 45 °.
  • a foldable device where the device includes:
  • each rotation axis connection mechanism is disposed below the flexible screen, wherein the slide block in each rotation axis connection mechanism and the device Chassis connection.
  • the foldable device provided in the embodiment of the present application is provided with a foldable flexible screen and at least one hinge connecting mechanism.
  • Each hinge connecting mechanism includes two hinges, a synchronous driving block, and a connecting component corresponding to each hinge.
  • the connecting assembly includes a middle slide block and a driving plate.
  • the two driving shafts are rotated synchronously by the synchronous driving block, and at the same time, the driving plate is driven to slide in a first direction parallel to the axial direction of the rotating shaft.
  • the groove drives the slide block that is cooperatively connected with the driving piece to slide away from or close to the rotation shaft, and converts the rotation of the rotation shaft into the slide of the slide block.
  • the slide block is connected to the device casing, and finally passes through the slide block.
  • the casing of the device is driven to slide away from or close to the rotating shaft.
  • the movement of the hinge connection mechanism can provide effective accommodation space for the curved area of the flexible screen.
  • the movement of the hinge connection mechanism can slowly flatten the flexible screen. Effectively guarantees the constant length of the flexible screen and improves the user experience.
  • the synchronous driving block simultaneously realizes the function of driving the driving plate to slide in the first direction and the function of synchronously rotating the two rotating shafts.
  • the relative error increases the overall accuracy of the rotating shaft.
  • the other rotating shaft can be driven faster, reducing the stuck problem caused by the rotating delay of the rotating shaft, and improving the user experience.
  • the driving plate can simultaneously realize the sliding of the driving plate in the first direction and drive the slide block to move away from or close to the rotating shaft.
  • the accumulated tolerance is small, and the relative error between rotation and sliding can be better controlled. Control the resistance during the sliding of the slide block, and improve the user's operating experience.
  • At least one of the rotation shaft connection mechanisms includes two of the rotation shaft connection mechanisms, which are respectively disposed near two ends of the device casing in the first direction.
  • the first direction is parallel to the axial direction of the rotation shaft in each of the rotation shaft connection mechanisms.
  • FIG. 1 is a schematic structural diagram of a prior art notebook computer in a folded state and an unfolded state.
  • FIG. 2 is a schematic structural diagram of a flexible screen in a folded state and an unfolded state according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a folding manner of a flexible screen according to an embodiment of the present application.
  • FIG. 4 is another schematic structural diagram of a flexible screen in a folded state and an unfolded state according to an embodiment of the present application.
  • 5 and 6 are schematic structural diagrams of a foldable device provided with an embodiment of the present application.
  • FIG. 7 is a three-dimensional view of the rotating shaft connecting mechanism according to the embodiment of the present application in a deployed state.
  • FIG. 8 is a three-dimensional view and a top view of a slide block according to an embodiment of the present application.
  • FIG. 9 is a three-dimensional view of a driving plate according to an embodiment of the present application.
  • FIG. 10 is a partial three-dimensional view of a connection point between a rotating shaft and a synchronous driving block according to an embodiment of the present application.
  • FIG. 11 is a top view of the hinge connection mechanism in the folded state according to the embodiment of the present application.
  • 12 to 15 are schematic structural diagrams of the rotation direction of the spiral groove of the rotating shaft and the direction of the inclined groove of the driving blade according to the embodiment of the present application.
  • FIG. 16 is another three-dimensional view of the rotating shaft connecting mechanism in the unfolded state according to the embodiment of the present application.
  • FIG. 17 is a three-dimensional view of a sliding sheet according to an embodiment of the present application.
  • FIG. 18 is a partial three-dimensional view of a slide block according to an embodiment of the present application.
  • FIG. 19 is a plan view of the hinge connection mechanism in the unfolded state according to the embodiment of the present application.
  • FIG. 20 is a top view of the sliding sheet fixing block according to the embodiment of the present application.
  • FIG. 21 is a plan view of a rotating shaft according to the embodiment of the present application.
  • FIG. 22 is another plan view of the rotating shaft connecting mechanism in the unfolded state according to the embodiment of the present application.
  • FIG. 23 is a front view of the rotating shaft connecting mechanism in the embodiment of the present application in a deployed state.
  • FIG. 24 is a front view of the hinge connecting mechanism in the folded state according to the embodiment of the present application.
  • FIG. 25 is a schematic structural diagram of a position of a rotating shaft connecting mechanism in a device according to an embodiment of the present application.
  • FIG. 26 is a partial schematic view of a connection between a rotating shaft and a fixing block in the rotating shaft connecting mechanism in the embodiment of the present application.
  • the hinge connection mechanism in the embodiment of the present application may be applied to a device having a foldable flexible screen.
  • the device may be a mobile phone, a Pad, a notebook computer, or the like.
  • FIG. 1 is a schematic structural diagram of a prior art notebook computer.
  • 110 and 120 are two components of a notebook computer, for example, 110 is a component including a host computer, 120 is a component including a display screen, 130 is a connection mechanism on a notebook computer, and 131 is a connection mechanism 130.
  • a rotation shaft 132 disposed on the component 110 is a rotation shaft disposed on the component 120 in the connection mechanism 130.
  • the notebook computer In the first image of FIG. 1, the notebook computer is in a folded state.
  • L1 is the total length of the flexible screen when the laptop is in the folded state
  • L2 is the total length of the flexible screen when the laptop is in the unfolded state.
  • the flexible screen can be prevented from being damaged as much as possible by making the flexible screen in a folded state have a large bending area, that is, the flexible screen needs to be maintained in a specific folded state to ensure that the length of the flexible screen is maintained. constant.
  • the bending area of the flexible screen in the folded state is larger than that of FIG. 1.
  • a hinge connection mechanism needs to be designed accordingly.
  • the device When the flexible screen is folded, the device can have a space capable of accommodating such a large curved area through the rotation of the hinge connection mechanism; When being deployed, the flexible screen can be slowly flattened by the rotation of the hinge connection mechanism, so that the length of the flexible screen remains the same regardless of the state of the device.
  • the x, y, and z directions are perpendicular to each other.
  • the z direction can be understood as the thickness direction of the rotating shaft connecting mechanism (or equipment), and the y direction can also be understood as the axial direction of the rotating shaft in the rotating shaft connecting mechanism.
  • the x and y directions can be understood. Vertical and parallel to the plane in which the flexible screen is deployed.
  • the flexible screen may have two folding directions. As shown in FIG. 3, one folding method is to fold inwardly. This folding method makes the case of the folded device wrapped around the outside of the flexible screen, for example, as shown in FIG. 4; another folding method is outward. Folding, this way of folding makes the folded flexible screen wrapped around the outside of the device's case.
  • the rotation of the rotation shaft can be converted into a device that moves away from or close to the rotation shaft through the rotation shaft connection mechanism. slide.
  • the rotating shaft in the rotating shaft connection mechanism starts to rotate and finally drives the casing of the device to slide away from the rotating shaft, thereby leaving enough space for the curved area of the flexible screen. In this way, the flexible screen is prevented from being damaged, and the length of the flexible screen is maintained.
  • the rotating shaft in the rotating shaft connection mechanism starts to rotate and finally drives the device's casing toward Sliding in the direction close to the axis of rotation to reclaim the space reserved for the curved area of the flexible screen before slowly flattening the flexible screen also ensures that the length of the flexible screen remains the same.
  • the sliding direction of the casing of the device is exactly opposite to the sliding direction of the casing when the flexible screen is folded inwardly. That is, when the flexible screen is folded from the unfolded state, the rotation axis in the hinge connection mechanism starts to rotate and finally drives the casing of the device to slide closer to the rotation axis; when the flexible screen is expanded from the folded state, the hinge connection mechanism The rotating shaft of the device starts to rotate and finally drives the cabinet of the device to slide away from the rotating shaft.
  • At least one rotating shaft connection mechanism may be configured in one device.
  • FIG. 5 is a schematic diagram showing the position of the rotating shaft connecting mechanism in the device in the embodiment of the present application.
  • FIG. 5 shows two hinge connecting mechanisms 230 arranged on the device, and each hinge connecting mechanism 230 is disposed below the flexible screen 220, wherein the hinge connecting mechanism 230 is connected to the chassis 210 of the device.
  • the two rotating shaft connecting mechanisms are sequentially placed along the y direction. In a possible implementation manner, the two rotating shaft connecting mechanisms are symmetrically placed along the center line of the device in the y direction.
  • FIG. 6 is another schematic diagram showing the position of the rotating shaft connecting mechanism in the device according to the embodiment of the present application.
  • FIG. 6 shows a hinge connecting mechanism 230 arranged on the device.
  • the hinge connecting mechanism 230 may be arranged at the center of the device or the flexible screen.
  • FIGS. 5 and 6 the position of the shaft connecting mechanism shown in FIGS. 5 and 6 on the device is only a schematic description, and should not be limited to the embodiments of the present application.
  • the shaft connecting mechanism can be flexibly set based on actual needs and the number of shaft connecting mechanisms. Location on the device.
  • the rotating shaft connecting mechanism in the embodiment of the present application includes two rotating shafts 310, two connecting components corresponding to the two rotating shafts 310, and a synchronous driving block 330 provided between the two rotating shafts 310, and one rotating shaft 310 corresponds to A connection component.
  • Each of the connection components includes a slide block 321 and a driving piece 322.
  • connection assembly On the right side of the shaft connection mechanism shown in FIG. 7 is taken as an example to describe each component in the connection assembly.
  • the rotating shaft 310 is provided with a spiral groove 311. Since the rotating directions of the two rotating shafts 310 are opposite, the rotating directions of the spiral grooves 311 on the two rotating shafts 310 are opposite.
  • the rotation direction of the right rotation axis 310 (denoted 310-1) is counterclockwise, corresponding to Ground
  • the rotation direction of the spiral groove 311 (denoted as 311-1) of the rotating shaft 310-1 can be left-handed
  • the rotation direction of the left rotating shaft 310 (denoted 310-2) is clockwise
  • the left rotating shaft 310-2 The spiral groove 311 (denoted 311-2) has a rightward rotation direction.
  • the right slide block 321 (denoted as 321-1) is a component that connects the shaft connection mechanism 300 to the device casing.
  • the slide block 321-1 is provided with a screw through hole 3211-1
  • the screw through hole 3211-1 on the slide block 321-1 can be connected to the device casing by screws, so as to realize the connection between the shaft connection mechanism 300 and the device.
  • FIG. 8 shows a schematic structural diagram of the slide block 321-1.
  • the slide block 321-1 has a projection 3212-1 protruding toward the driving piece 322-1 at a position close to the corresponding rotation axis 310-1.
  • the figure on the left in FIG. 8 is the slide block A three-dimensional view of 321-1.
  • On the right is a top view of the slide block 321-1 corresponding to FIG.
  • the number of the projections 3212-1 is at least one, and the two projections of FIGS. 7 and 8 are only for illustrative purposes, and the direction of the projections 3212-1 and the spiral groove 311-1 on the rotating shaft 310-1 are only illustrative.
  • the rotation direction and the sliding direction of the casing are related, which will be described in detail later.
  • the right driving piece 322 (denoted 322-1) is disposed between the slide block 321-1 and the corresponding rotating shaft 310-1, at an end near the rotating shaft 310-1, and at the rotating shaft
  • the spiral groove 311-1 of 310-1 is provided on a side far from the end of the rotating shaft 310-1 (that is, below the spiral groove 311-1) with connecting members 3221-1, where the number of connecting members 3221-1 is At least one (one connecting piece 3221-1 is schematically shown in FIG. 7), when the driving piece includes multiple connecting pieces 3221-1, any two connecting pieces are not in contact with each other and have a certain distance to facilitate Insert the connector on the synchronous drive block 330; as shown in FIG.
  • an inclined groove 3222-1 and an inclined groove 3222-1 for inserting the projection 3212-1 of the slide block 321-1 are provided.
  • the number of 3222-1 is the same as the number of bosses 3212-1 of the slide block 321-1 (two chute are shown schematically in FIG. 9), where the chute 3222-1 can make the slide block 321-1 Slide in a direction close to the rotation axis 310-1 or away from the rotation axis 310-1, or in other words, the chute 3222-1 can make the slide block 321-1 slide in the width direction of the slide block 321-1.
  • the connecting member on the driving piece 322 may be a circular cylinder as shown in FIG. 7, or may be other components capable of rotating connection, and the embodiment of the present application is not limited thereto.
  • the circular cylinder 3221-1 shown in FIG. 7 is only a schematic description, and should not be construed as being limited to the embodiment of the present application.
  • the circular cylinder 3221-1 shown in FIG. 7 is not closed in the circumferential direction, actually the circular cylinder 3221-1 may be closed in the circumferential direction, as long as the The circular cylinder 3221-1 can be nested on the rotating shaft 310-1.
  • the width direction of the slide block 321 is parallel to the x direction
  • the length direction of the slide block 321 is parallel to the y direction
  • the thickness direction of the slide block 321 is equal to the thickness of the casing. The direction is the same.
  • the synchronous driving block 330 is disposed between the two rotating shafts 310.
  • the synchronous driving blocks 330 are respectively provided with the ability to insert each The positioning protrusion 331 of the spiral groove of the rotating shaft 310 and the first connecting piece 332 and the second connecting piece 333 nested outside each rotating shaft 310, wherein the number of the first connecting pieces 332 and the second connecting pieces 333 is the same and Both of them can be at least one; and the first connecting piece 332 and the second connecting piece 333 are located on both sides of the connecting piece 3221 on the driving piece 322, so that the driving piece 322 is driven by the synchronous driving block 330 in the first direction ( That is, y direction).
  • the synchronous driving block 330 is provided with a positioning convex portion 331-1 inserted into the spiral groove 311-1, and at the positioning convex portion 331-1
  • two connecting members 332 and 333 of the first connecting member 332 and the second connecting member 333 shown in FIG. 10 are provided on the driving piece 322-1. side.
  • the purpose of the first connecting piece 332-1 and the second connecting piece 333-1 being located on both sides of the connecting piece 322-1 of the driving piece 322-1 is to limit the driving piece 322-1 to the first connecting piece 332-1.
  • the sliding displacement with the second connecting member 333-1 has a certain positioning effect.
  • both end surfaces of the first connecting member 332-1 and the second connecting member 333-1 facing the connecting member 3221-1 of the driving plate are in contact with the connecting member 3221-1 of the driving plate, respectively.
  • the sliding displacement of the driving piece 330-1 between the first connecting member 332-1 and the second connecting member 333-1 can be approximately 0, which plays a very good positioning role.
  • first connecting member 332 and the second connecting member 333 of the synchronous driving block 330 may be circular cylinders as shown in FIGS. 7 and 10, or may be other components capable of rotating connection, and the embodiment of the present application is not limited thereto. .
  • the rotating shaft 310 provides motive power, and drives other components to move based on the rotation of the rotating shaft 310.
  • a hinge 310 for example, the hinge 310-2
  • the hinge connection mechanism is configured in a device with a flexible screen
  • the flexible screen is folded inward from the unfolded state
  • a hinge 310 starts to rotate
  • the The positioning convex portion 331-2 slides on the spiral groove 311-2
  • the positioning convex portion 331-1 corresponding to the rotating shaft 310-1 also slides on the spiral groove 311-1, thereby driving another rotating shaft 310 (for example, the rotating shaft 310-1) rotate to realize the function of the synchronous driving block 330 to synchronize the two rotating shafts 310; at the same time, the positioning convex portion 331 on the synchronous driving block 330 slides on the spiral groove 311, so that the synchronous driving block 330 will move along y Slide in the opposite direction.
  • the driving piece 322-1 is connected to the shaft 310-1, and the synchronous driving block 330 is sleeved on the first connection piece 332-1 and the second connection piece on the shaft 310-1.
  • 333-1 is provided on both sides of the connecting piece 3221-1 of the driving piece 332-1. Therefore, when the synchronous driving block 330 slides in the opposite direction of the y direction, the driving piece 322-1 will also be driven along the y direction. Sliding in the opposite direction, in this way, the driving piece 322-1 is slid in the y direction (that is, the first direction).
  • the driving piece 322-1 is provided with a chute 3222-1, it is provided on the slide block 310
  • the boss 3212-1 on the upper side fits into the inclined groove 3222-1.
  • the movement of the driving piece 322-1 will drive the movement of the slide block 310. Therefore, when the driving piece 322-1 slides in the opposite direction of the y direction
  • the slide block 310-1 is driven away from the rotation axis 310-1 by the chute 3222-1 on the driving plate 320-1.
  • the driving piece 322 in the left connecting component of the shaft connecting mechanism will slide in the opposite direction of the y direction under the action of the synchronous driving block 330.
  • the inclined groove 3222 on the left driving piece 322 will also slide.
  • the left slide block 310 is driven to slide in a direction away from the left rotation axis 310.
  • the rotating shaft connecting mechanism shown in FIG. 7 moves to the state shown in FIG. 11.
  • the driving piece 322-1 slides a distance of ⁇ y in the y direction.
  • the slide block 321-1 slides a distance of ⁇ x in a direction away from the rotation axis 310-1 (for example, the x direction shown in FIG. 11).
  • the slide block 310 is a component connected to the chassis of the device.
  • the housing also moves away from the shaft 310. In this way, sufficient space is reserved for the bending area formed after the flexible screen is folded, which ensures that the length of the flexible screen remains unchanged during the folding of the flexible screen.
  • the rotating shaft connecting mechanism provided in the embodiment of the present application is provided with two rotating shafts, a synchronous driving block, and a connecting component corresponding to each rotating shaft, wherein the connecting component includes a middle slide block and a driving piece, and the synchronous driving block
  • the connecting component includes a middle slide block and a driving piece
  • the synchronous driving block The two rotating shafts are caused to rotate synchronously, at the same time, the driving plate is driven to slide in a first direction parallel to the axial direction of the rotating shaft, and the chute block that is cooperatively connected with the driving plate is driven away or approached based on the chute on the driving plate Sliding in the direction of the rotating shaft, finally, turning the rotation of the rotating shaft into sliding of the slide block.
  • the hinge connection mechanism When the hinge connection mechanism is configured on a device with a flexible screen, the slide block is connected to the chassis of the device, and finally the chassis of the device is driven to slide away from or close to the hinge. In this way, when the flexible screen is folded, The movement of the hinge connection mechanism can provide effective accommodation space for the curved area of the flexible screen. When the flexible screen is unfolded, the movement of the hinge connection mechanism can slowly flatten the flexible screen, which effectively ensures that the length of the flexible screen remains unchanged.
  • the synchronous driving block simultaneously realizes the function of driving the driving plate to slide in the first direction and the function of synchronously rotating the two rotating shafts.
  • the relative error increases the overall accuracy of the rotating shaft.
  • the other rotating shaft can be driven faster, reducing the stuck problem caused by the rotating delay of the rotating shaft, and improving the user experience.
  • the driving plate can simultaneously realize the sliding of the driving plate in the first direction and drive the slide block to move away from or close to the rotating shaft.
  • the accumulated tolerance is small, and the relative error between rotation and sliding can be better controlled. Control the resistance during the sliding of the slide block, and improve the user's operating experience.
  • the flexible screen can be folded in an inwardly folding manner, or it can be folded in an outwardly folding manner.
  • the hinge connection mechanism of the embodiment of the present application is configured on a device with a flexible screen, the The design of the spiral groove, the chute on the driving plate, and the boss inserted into the chute on the slide block will be different.
  • the flexible screen is folded in an inwardly folded manner from the unfolded state
  • the rotating shaft when the flexible screen is folded, the rotating shaft is required to drive the sliding block to slide away from the rotating shaft, and when the flexible screen is deployed, the rotating shaft is required to drive the sliding block to slide in a direction close to the rotating shaft. Therefore, in order to achieve the above purpose, the rotation direction of the spiral groove on the rotating shaft should be opposite to the direction of the inclined groove of the driving piece on the corresponding connection assembly.
  • FIG. 12 and FIG. 13 are schematic structural diagrams showing that the rotation direction of the spiral groove of the rotating shaft and the direction of the inclined groove of the driving plate are opposite to each other in the embodiment of the present application.
  • the rotation direction of the spiral groove 311-1 is left-handed, and the direction of the inclined groove 3222-1 is opposite to that of the spiral groove 311-1, that is, the direction of the inclined groove 3222-1 is upper right.
  • the direction of the boss 321-1 of the block 321-1 is unique and corresponds to the direction of the inclined groove 3222-1.
  • the starting position of the positioning protrusion 331-1 of the synchronous driving block 330 is at the position shown by M1.
  • the starting position of the boss 321-1 of the track block 321-1 is the position shown by N1.
  • the rotation direction of the spiral groove of the left rotation shaft symmetrically arranged with the rotation shaft 311-1 in FIG. 12 is right rotation, and the direction of the corresponding inclined groove on the driving plate is upper left, which is not shown in the figure.
  • the rotation direction of the spiral groove 311-1 is right-handed, and the direction of the inclined groove 3222-1 is opposite to that of the spiral groove 311-1, that is, the direction of the inclined groove 3222-1 is lower right, and the slide block is
  • the direction of the boss 321-1 of 321-1 corresponds to the direction of the chute 3222-1.
  • the starting position of the positioning protrusion 331-1 of the synchronous driving block 330 is at the position shown by M2.
  • the starting position of the boss 321-1 of the track block 321-1 is the position shown by N2.
  • the rotation direction of the spiral groove of the left rotation shaft symmetrically arranged with the rotation shaft 311-1 in FIG. 13 is left rotation, and the direction of the corresponding inclined groove on the driving plate is the lower left, which is not shown in the figure.
  • the flexible screen is folded in an inwardly folded manner from the unfolded state
  • the rotation direction of the spiral groove on the rotating shaft should be the same as the direction of the inclined groove of the corresponding driving plate.
  • FIG. 14 and FIG. 15 are schematic structural diagrams showing the rotation direction of the spiral groove of the rotating shaft and the direction of the inclined groove of the driving plate according to the embodiment of the present application.
  • the rotation direction of the spiral groove 311-1 is left-handed, and the direction of the inclined groove 3222-1 is the same as that of the spiral groove 311-1, that is, the direction of the inclined groove 3222-1 is lower right.
  • the direction of the boss 321-1 of the track block 321-1 is unique and corresponds to the direction of the chute 3222-1.
  • the starting position of the positioning protrusion 331-1 of the synchronous driving block 330 is at the position shown by M3.
  • the starting position of the boss 321-1 of the track block 321-1 is the position shown by N3.
  • the rotation direction of the spiral groove of the left rotating shaft symmetrically arranged with the rotating shaft 311-1 in FIG. 14 is right-handed, and the direction of the corresponding inclined groove on the driving plate is lower left, which is not shown in the figure.
  • the rotation direction of the spiral groove 311-1 is right-handed, and the direction of the inclined groove 3222-1 is the same as that of the spiral groove 311-1, that is, the direction of the inclined groove 3222-1 is upper right, and the slide
  • the direction of the boss 321-1 of the block 321-1 corresponds to the direction of the inclined groove 3222-1.
  • the starting position of the positioning protrusion 331-1 of the synchronous driving block 330 is at the position shown by M2.
  • the starting position of the boss 321-1 of the track block 321-1 is the position shown by N2.
  • the rotation direction of the spiral groove of the left rotation shaft symmetrically arranged with the rotation shaft 311-1 in FIG. 15 is left rotation, and the direction of the corresponding inclined groove on the driving plate is upper left, which is not shown in the figure.
  • the angle formed between the direction of the inclined groove 3222 on the driving piece 322 and the length direction of the driving piece 322 (or the width direction of the slide block 321) and The amount of movement of the driving piece 322 in the y direction is related to the amount of movement of the slide block 321 moving toward or away from the corresponding rotation axis 310.
  • the length direction of the driving piece 322 is perpendicular to the axial direction of the corresponding rotating shaft 310, and when the rotating shaft connecting mechanism is arranged on the device, the length direction of the driving piece 322 is perpendicular to the thickness direction of the device.
  • the length direction of the driving piece 322 is the x direction shown in FIG. 7.
  • the amount of movement of the slide block 321 moving toward or away from the corresponding rotation axis 310 can be understood as the slide block
  • the amount of movement of the slide block 321 in its width direction is determined.
  • the angle between the direction of the chute 3222 and the direction of the driving piece 322 can be determined initially, and then based on the angle and the slide.
  • the amount of movement of the block 321 in its width direction determines the amount of movement of the driving sheet 322 in the y direction. Subsequent adjustments are made until the final included angle is determined.
  • the included angle is 45 °.
  • the purpose of the embodiment of the present application is to convert the rotation of the rotation shaft into the movement of the slide block in a direction close to or away from the rotation axis.
  • the slide block moves in one direction as far as possible relative to the rotation axis, (Ie, the width direction of the slideway block) moves linearly.
  • a slide piece 323 located between the slideway block 323 and the corresponding rotation shaft 310 is provided in the rotation shaft connection mechanism shown in FIG. 7.
  • the width direction of the sliding sheet 323 is perpendicular to the axial direction of the rotating shaft 310, and when the connecting structure of the rotating shaft is arranged on the device, the width direction of the sliding piece 323 is perpendicular to the thickness direction of the device, when the rotating shaft connecting mechanism is in an expanded state
  • the width direction of the slide block 323 is the x direction shown in FIG. 16.
  • the width direction of the slide piece 323 is the same as the length direction of the driving piece 322.
  • FIG. 16 With reference to FIG. 16, FIG. 17, FIG. 18, and FIG. 19, the description is continued with only the right connection component.
  • the sliding piece 323 (referred to as the sliding piece 323-1) of the right connection component is disposed between the slide block 321-1 and the rotating shaft 310-1, and, as shown in FIG. 17, the sliding piece 321-1
  • Two protruding end portions 3231-1 are respectively provided on the upper side.
  • two grooves are also provided at the positions of the two end portions of the slide block 321-1.
  • the two grooves 3213-1 on the slide block 321-1 correspond to the two protruding ends 3231-1 on the sliding piece 323-1, and each of the protruding ends 3231-1 is inserted into the corresponding recess Slot 3213-1.
  • the driving plate 322-1 may be disposed between the sliding plate 323-1 and the rotating shaft 310-1.
  • the sliding plate 323-1 is close to the rotating shaft 310-1.
  • the position of -1 is recessed inward to place the driving piece 322-1.
  • the driving piece 322 and the sliding piece 323 are slidably connected.
  • a pin passing through the driving piece 322-1 can be connected to the card slot 3232 on the sliding piece 323-1. 1 to realize the sliding connection of the driving sheet 322-1 and the sliding sheet 323-1.
  • the flexible screen is folded in the folded state from the unfolded state shown in FIG. 16 to the folded state shown in FIG. 19, the driving piece 322-1 is along the y direction through a sliding connection with the sliding piece 323-1. Move a certain distance in the opposite direction.
  • the sliding sheet 323-1 is rotatably connected to the rotating shaft 310-1.
  • the sliding sheet 323-1 may be directly connected to the rotating shaft 310-1.
  • a circular cylinder nested on the rotating shaft 310-1 may be provided on the sliding sheet 323-1, thereby achieving The sliding plate 323-1 is connected to the rotation of the rotating shaft 310-1.
  • the sliding sheet 323-1 and the rotating shaft 310-1 may be connected by other components.
  • connection assembly further includes at least one sliding piece fixing block 324, each sliding piece fixing block 324 is disposed between the corresponding rotating shaft 310 and the sliding piece 313, and each sliding piece fixing block 324 is rotatably connected to the corresponding rotating shaft 310, It is fixedly connected to the sliding piece 323.
  • the sliding piece fixing block 324 can be rotatably connected to the corresponding rotating shaft 310 through a connecting member provided thereon, and is fixedly connected to the sliding piece 323 by means such as welding, riveting, and screws.
  • connection component on the right is taken as an example for description.
  • a sliding piece fixing block 324-1 arranged on the rotating shaft connecting mechanism including two connecting pieces 3241-1 nested on the rotating shaft 310-1, and the sliding piece fixing piece 324
  • the other end of the -1 may be fixedly connected to the slide piece 323-1 at two positions, for example, as shown in FIG. 20.
  • the connection manner shown in FIG. 20 is only a schematic description, and various modified connection manners are all within the protection scope of the embodiment of the present application.
  • each of the sliding plate fixing blocks 341-1 includes a nest on the rotating shaft 310-1.
  • the other end of the connecting piece 3241-1 is fixedly connected with the sliding sheet 323-1.
  • the shaft connecting mechanism is configured on the device, theoretically, the smaller the space occupied by the device, the better. Therefore, the shaft can be made smaller, but the strength of the shaft must also be ensured. Therefore, in order to reduce the volume of the shaft In the case of maintaining the strength of the rotating shaft, the rotating shaft can be designed as a reducing shaft.
  • FIG. 21 is a schematic structural diagram of a reducing shaft according to an embodiment of the present application.
  • the radius of the middle portion (ie, portion 313-1) of the reducing shaft is large, and the radius of both end portions (ie, portion 312-1) is small.
  • the portion with a larger radius may be a portion provided with a spiral groove.
  • the connecting member 3241 on the sliding piece fixing block 324 can be rotatably connected to a portion with a smaller radius of the corresponding rotating shaft 310.
  • the rotating shaft 310 is a reducing shaft, it is simple and practical to use the sliding piece fixing block 324 to connect the sliding piece 323 and the rotating shaft 310.
  • the rotating shaft 310 of the connecting component is a reducing shaft
  • each sliding piece fixing block 324 is rotatably connected to the first portion 312 of the corresponding rotating component 310 of the connecting component, the first portion
  • the radius of 312 is smaller than the radius of the portion 313 provided with the spiral groove in the rotating shaft 310 corresponding to the connecting component.
  • connection component including two sliding piece fixing blocks 324 is taken as an example, and reference is continued to FIG. 16 and FIG. 19, and the right connection component is taken as an example for description.
  • two slider fixing blocks 324-1 are provided near the two ends of the rotating shaft 310-1 in the y direction, and each slider fixing block 324-1 is provided on the slider.
  • one end of the sliding piece fixing block 324-1 is rotatably connected to the rotating shaft 310-1.
  • a rotary connection can be achieved by a connection member provided on the sliding sheet fixing block 324-1 being nested on the rotating shaft 310-1.
  • the sliding piece fixing block 324-1 is rotatably connected to the first portion 312-1 of the rotating shaft 310-1, referring to FIG. 21.
  • connection parts The other end of the sliding sheet fixing block 324-1 is fixedly connected to the sliding sheet 323-1.
  • the two protruding parts (referred to as connection parts) of the sliding sheet 323-1 are connection parts fixedly connected to two sliding sheet fixing blocks 324-1, respectively, and each connection part is connected to one One end of the sliding piece fixing block 324-1 is connected.
  • the sliding piece fixing block 324-1 and the sliding piece 323-1 can realize the fixed connection of the two components by, for example, welding, riveting, and screws.
  • the connecting member on the sliding piece fixing block 324-1 may be a circular cylinder as shown in FIGS. 16 and 19, or may be other components capable of rotating connection, and the embodiment of the present application is not limited thereto.
  • the rotating shaft connecting mechanism in the embodiment of the present application may further include a dual-axis fixing block 340 rotatably connected to the two rotating shafts 310.
  • a biaxial fixing block 340 is provided near the end of the rotating shaft 310.
  • the number of the biaxial fixing blocks 340 may be one or more, which is not limited in the embodiment of the present application. If the number of the two-axis fixing blocks 340 is one, it can be set at any one end of the rotating shaft 310; if the number of the two-axis fixing blocks 340 is multiple, two of the plurality can be set near the two ends of the rotating shaft 310 The rest is set in the middle position.
  • FIG. 16 shows two biaxial fixing blocks provided near the end of the rotating shaft 310.
  • the rotating shaft connecting mechanism in the embodiment of the present application further includes: an end portion of two rotating shafts 310 (ie, the rotating shafts 310-1 and 310-2).
  • the damping plate 350 is provided with two connecting pieces (for example, two circular cylinders) corresponding to the two rotating shafts 310 on the damping plate 350, and each connecting piece on the damping plate 350 is in interference fit with the corresponding rotating shaft 310.
  • the damping sheet 350 may be disposed on a side of the biaxial fixing block 340 far from the end of the rotating shaft 310.
  • the damping sheet 350 is disposed on the biaxial fixing block 340.
  • the resistance during the rotation of the shaft can be increased.
  • the resistance of the device during the rotation of the shaft can be increased by the damping plate to increase the resistance of the device.
  • the resistance during the closing process so that the device can maintain a stable state at any angle within a certain angle range during opening and closing.
  • the length of the rotating shaft 310 may be shorter, or the rotating shaft 310 may be made smaller. In this way, when the flexible screen is in an expanded state, In the area of the axial direction, a part of the flexible screen can be supported by the rotating shaft 310, and the area outside the rotating screen 310 in the flexible screen may not be well supported. In this way, the user may press the flexible screen during use. And damage the flexible screen.
  • the hinge connection mechanism of the embodiment of the present application may further include a lifting block assembly, and the lifting block assembly includes a screen.
  • the lifting block 361 and the two eccentric wheels 362 corresponding to the two rotating shafts 310 are supported, wherein the eccentric wheel 362-1 corresponds to the rotating shaft 310-1 and the eccentric wheel 362-2 corresponds to the rotating shaft 310-2.
  • the eccentric wheel 362-1 is fixed on the rotating shaft 310-1
  • the eccentric wheel 362-2 is fixed on the rotating shaft 310-2.
  • the screen support lifting block 361 is slidably connected to the two eccentric wheels 362.
  • the screen support lifting block 361 is provided with two sliding grooves 3611 (ie, the sliding grooves 3611-1 and 3611-2) corresponding to the two eccentric wheels 362.
  • the sliding groove 3611-1 corresponds to the eccentric wheel 362-1
  • the eccentric wheel 362-1 can be fixed in the sliding groove 3611-1 by a pin to realize the sliding connection of the eccentric wheel 362-1 and the screen support lifting block 361.
  • the eccentric The wheel 362-2 is also fixed in the sliding groove 3611-2 by a pin to realize the sliding connection between the product eccentric wheel 362-2 and the screen support lifting block 361.
  • each eccentric wheel 362 can rotate around the corresponding rotation shaft 310.
  • the screen supporting lifting block can be driven by the eccentric wheel at y. In the direction (ie, the first direction).
  • the screen support lifting block 361 when the hinge connection mechanism is in the expanded state, the screen support lifting block 361 is close to the position where the flexible screen is placed to support the area of the flexible screen other than the hinge.
  • the screen support lifting block 361 when the hinge connection mechanism is in In the folded state, the screen support lifting block 361 moves downward (or moves in the opposite direction of the y direction) to a position far away from the flexible screen.
  • one rotary shaft connecting mechanism may be configured with one lifting block assembly or two lifting block assemblies, and each lifting block assembly is connected to the rotating shaft in the same manner. 23 and FIG. 24 are described.
  • the shaft connecting mechanism is configured with one lifting block assembly, one lifting block assembly is arranged at the same end of either end of the two rotating shafts.
  • the lifting block assembly is arranged at the upper end of the rotating shaft.
  • the lifting block assembly can also be arranged at the lower end (ie, end B) of the shaft; when the shaft connecting mechanism can be configured with two lifting block assemblies, the two lifting block assemblies It may be arrange
  • one or two lifting block components are configured in the shaft connecting mechanism, which can be specifically determined according to the position of the shaft connecting mechanism and the flexible screen.
  • a device with a rotating shaft connecting mechanism Take a device with a rotating shaft connecting mechanism as an example. Referring to FIG. 25, in the figure on the left of FIG. 25, when both ends of the rotating shaft are at a certain distance from both ends of the flexible screen in the y direction (for example, y1 and y2), then you can configure a lifting block assembly at each end of the shaft; in the figure on the right of Figure 25, there is a distance between the shaft and the flexible screen in the y direction (for example, , Y3), then, a lifting block assembly can be arranged at this end of the shaft.
  • the two ends of the rotating shaft and the two ends of the flexible screen in the y direction do not substantially have a distance or the distance is within a certain preset range, it is not necessary to configure a lifting block assembly at the ends of the rotating shaft.
  • the rotation shaft connecting mechanism provided in the embodiment of the present application includes a lifting block assembly including an eccentric wheel and a screen supporting lifting block on the rotating shaft.
  • the eccentric wheel is fixed on the rotating shaft, and the screen supporting lifting block is slidably connected with the eccentric wheel.
  • the eccentric wheel fixed on the rotating shaft rotates with the rotating shaft and drives the screen support lifting block to move in the first direction parallel to the axial direction of the rotating shaft, which achieves good shaft support between the rotating shafts and provides a better screen for flexible screens. Support to improve user experience.
  • the lifting block assembly is connected to the rotating shaft, the rotating shaft connecting mechanism also increases the strength and anti-twisting performance of the device as a whole.
  • the above lifting block assembly is to provide support to the area of the flexible screen at the extension of the end of the rotating shaft.
  • the flexible screen is located on both sides of the rotating shaft connecting mechanism. It also needs some support.
  • each connection component in the embodiment of the present application further includes a screen supporting flap 370.
  • the number of the screen supporting flaps 370 in each connection component may be one or more.
  • the screen support flap 370 may be configured at any end of the corresponding rotation shaft.
  • the screen support flap 370 may be arranged at both ends of the corresponding rotating shaft.
  • the screen supporting flap 370-1 in the connecting component corresponding to the rotating shaft 310-1 is also taken as an example for description.
  • One end of the screen support flap 370-1 is connected to the rotation axis 310-1.
  • the rotation axis connection mechanism is configured on the device, the other end of the screen support flap 370 is slidably connected to the inclined moving slide in the cabinet.
  • the rotation axis 310- 1 When rotating, the screen support flap 310-1 can be driven to slide and connect in the inclined moving slide.
  • the screen support flap can provide support for the flexible screen to support the flexible screen.
  • the screen supporting flap 370 may be connected to the rotating shaft 310 through other components.
  • the rotating shaft connecting mechanism further includes a fixing block 380 sleeved outside the two rotating shafts 310, and the screen supporting flap 370 is connected to the rotating shaft through the fixing block 380.
  • the fixing block 380 can have two designs; in one design, the fixing block 380 can be set as a whole outside the two rotating shafts 310; in another design, a fixing can be provided at each rotating shaft 310 Block, each fixed block is sleeved on a corresponding rotating shaft 310.
  • the fixing block 380 In the first design, as shown in FIG. 26, the part that is shaded on the outside of the rotating shaft 310-1 and the rotating shaft 310-2 is the fixing block 380.
  • This fixing block is set as a whole on the rotating shaft 310-1 and On shaft 310-2.
  • the left screen support flap 370-1 is fixedly connected to the fixing block 380.
  • the right screen support flap 370-2 is also fixedly connected to the fixing block 380.
  • the connecting component further includes a fixing block 380 sleeved on the outside of the corresponding rotating shaft 310, and one end of the screen supporting flap 370 is fixedly connected to the corresponding rotating shaft 310 through the fixing block 380.
  • the fixing block 380 is not integrally set outside the two rotating shafts 310, but an independent fixing block is set outside each rotating shaft, that is, two fixing blocks 380 are provided in the rotating shaft connecting mechanism, and each rotating shaft 310 corresponds to One fixing block 380 is fitted on the corresponding rotating shaft 310, and one end of the screen supporting flap 370 is connected to the rotating shaft 310 through the corresponding fixing block 380.
  • an embodiment of the present application further provides a foldable device.
  • the device includes:
  • At least one rotation axis connection mechanism 230 each of which is disposed below the flexible screen 220, wherein a slide block in each rotation axis connection mechanism 230 is connected to the chassis 210 of the device.
  • the number of the shaft connecting mechanisms 230 may be one or more.
  • the at least one shaft connecting mechanism 230 includes two shaft connecting mechanisms 230 in the y direction (that is, the first Direction), each shaft connecting mechanism 230 is located near the end of the cabinet of the device.
  • the two rotation shaft connecting mechanisms 230 are symmetrically arranged,
  • the number of the shaft connection mechanisms 230 may not be limited to two.
  • the device in FIG. 6 includes one shaft connection mechanism, which may be set at the middle position of the device in the y direction; for example, the device includes 3
  • An even larger number of shaft connection mechanisms can be used as long as they meet the actual needs.
  • each rotating shaft connection mechanism For the description of each rotating shaft connection mechanism, reference may be made to the detailed description of the rotating shaft connection mechanism in conjunction with FIG. 7 to FIG. 5 above.

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Abstract

本申请提供了一种转轴连接机构。该转轴连接机构包括两个转轴、对应两个转轴的两个连接组件和一个同步驱动块，其中，每个连接组件包括滑动块和驱动片；滑道块上的凸台插入驱动片上的斜槽；同步驱动块与两个转轴连接，并且，同步驱动块通过设置的连接件设置在驱动片上的连接件的两侧，通过设置的定位凸起部位插入螺旋槽。这样，通过两个转轴、一个同步驱动块、对应两个转轴的连接组件中的滑道块和驱动片之间的配合连接，将转轴的转动最终转化为滑动块的滑动，当转轴连接机构配置在具有柔性屏幕的设备上，最终使得设备沿着靠近转轴或远离转轴的方向滑动，能有效地保证柔性屏幕在被展开或被折叠过程中柔性屏幕的长度保持不变。

Description

转轴连接机构和可折叠的设备 技术领域
本申请涉及电子设备领域，更具体地，涉及一种转轴连接机构和可折叠的设备。
背景技术
随着柔性有机发光二极管(organic light-emitting diode，OLED)技术的日渐成熟，屏幕可以折叠的设备(例如，折叠手机)将会成为未来几年的主流方向。
在屏幕可以折叠的设备中，为了避免屏幕被损坏，要求屏幕在展开或折叠过程中屏幕的尺寸不能发生变化，因此，亟需提供一种转轴连接机构，可以保证屏幕在被展开或被折叠过程中屏幕的长度保持不变。
发明内容
本申请提供了一种转轴连接机构和可折叠的设备，可以实现屏幕在被展开或折叠过程中屏幕的长度保持不变的特性。
第一方面，提供了一种转轴连接机构，该转轴连接机构包括：
两个转轴、对应两个所述转轴的两个连接组件和一个同步驱动块，所述连接组件包括：滑道块和驱动片；其中，
每个所述转轴上都设置有螺旋槽，两个所述转轴上的螺旋槽的旋向相反；
所述滑道块设置有朝所述驱动片凸起的凸台；
所述驱动片设置在所述滑道块与对应所述连接组件的转轴之间，设置有能够使得所述滑道块的凸台插入的斜槽，所述驱动片上设置有连接件，在对应所述连接组件的转轴的螺旋槽远离所述转轴的端部的一侧，所述连接件嵌套在与对应所述连接组件的转轴上；
所述同步驱动块设置在两个所述转轴之间，在第一方向上依次设置有能够插入每个所述转轴的螺旋槽的定位凸起部位、嵌套在每个所述转轴外部的第一连接件和第二连接件，并且，所述第一连接件和所述第二连接件设置在所述驱动片上的连接件的两侧，所述第一方向与每个所述转轴的轴向方向平行。
因此，本申请实施例提供的转轴连接机构，设置有两个转轴、一个同步驱动块和对应每个转轴的连接组件，其中，连接组件包括中滑道块和驱动片，通过同步驱动块使得两个转轴同步转动，同时，带动驱动片在平行于转轴的轴向方向的第一方向上滑动，并且，基于驱动片上的斜槽带动与驱动片配合连接的滑道块朝着远离或靠近转轴的方向滑动，最终，将转轴的转动转化为滑道块的滑动。当转轴连接机构配置在具有柔性屏幕的设备上时，滑道块与设备的机壳连接，最终带动设备的机壳朝着远离或靠近转轴的方向滑动，这样，当柔性屏幕被折叠时，通过转轴连接机构的运动可以为柔性屏幕的弯曲区域提供有效的容纳空间，当柔性屏幕被展开时，通过转轴连接机构的运动可以将柔性屏幕慢慢拉平，都有效地保证了柔性屏幕的长度不变的特性，提高了用户体验。
此外，通过同步驱动块同时实现带动驱动片在第一方向上滑动的功能和实现两个转轴同步转动的功能，一方面，可以有效地控制转轴的转动和驱动片与滑道块的滑动之间的相对误差，提高转轴的整体精度；另一方面，若一个转轴转动，可以较快地驱动另一个转轴转动，减少了转轴的转动滞后而导致的卡死问题，提高了用户体验。
驱动片可以同时实现驱动片在第一方向的滑动和带动滑道块朝着远离或靠近转轴的方向滑动，公差累计小，能够较好的控制转动和滑动之间的相对误差，并且，可以较好地控制滑道块滑动过程中的阻力，提高用户操作力度体验。
在一种可能的实现方式中，所述滑道块还包括：
在靠近所述滑道块在所述第一方向上的两个端部的位置处分别设置有两个开口朝向相对的凹槽；以及，
所述连接组件还包括：
滑动片，设置在所述滑道块与对应所述连接组件的转轴之间，设置有对应所述滑道块的两个凹槽的两个伸出端部，每个所述伸出端部插入所述滑道块中对应的凹槽，所述滑动片与对应所述连接组件的转轴转动连接，所述滑动片与所述驱动片在所述第一方向上滑动连接。
因此，通过设置在转轴连接机构中的滑动片的伸出端部与滑道块上的凹槽的连接，可以有效地保证滑道块在相对转轴移动过程中，滑道块尽量仅在一个方向(即，滑道块的宽度方向)上直线运动。
在一种可能的实现方式中，所述连接组件还包括：
至少一个滑动片固定块，每个所述滑动片固定块与对应所述连接组件的转轴转动连接，每个所述滑动片固定块与所述滑动片固定连接。
因此，通过在转轴连接机构上设置滑动片固定块，采用滑动片固定块连接滑动片和转轴的方式简单实用。
在一种可能的实现方式中，对应所述连接组件的转轴为变径轴，以及，每个所述滑动片固定块与对应所述连接组件的转轴的第一部位转动连接，所述第一部位的半径小于对应所述连接组件的转轴中设置有螺旋槽的部位的半径。
在一种可能的实现方式中，所述转轴连接机构还包括：
升降块组件，所述升降块组件包括屏幕支撑升降块和对应两个所述转轴对应的两个偏心轮，其中，
两个所述偏心轮分别与两个所述转轴的同一端固定连接，两个所述偏心轮与所述屏幕支撑升降块滑动连接，以使得每个所述转轴转动时，对应每个所述转轴的偏心轮围绕所述转轴转动以带动所述屏幕支撑升降块在所述第一方向上移动。
因此，本申请实施例提供的转轴连接机构，通过在转轴上配置包括偏心轮和屏幕支撑升降块的升降块组件，偏心轮固定在转轴上，屏幕支撑升降块与偏心轮滑动连接，当转轴转动时，可以使得固定在转轴上的偏心轮随着转轴转动并且带动屏幕支撑升降块在平行于转轴的轴向的第一方向上移动，实现了转轴之间的良好轴支撑，为柔性屏幕提供了较好的支撑力，从而提升用户体验。此外，由于升降块组件与转轴连接，使得转轴连接机构在整体上也增加了设备的强度和抗扭动性能
在一种可能的实现方式中，所述连接组件还包括：
屏幕支撑翻板，所述屏幕支撑翻板的一端与对应所述连接组件的转轴的一端固定连接，当所述转轴连接机构配置在设备上时，所述屏幕支撑翻板的另一端与所述设备的机壳中的倾斜移动滑道滑动连接，以使得在对应所述连接组件的转轴转动时所述屏幕支撑翻板在所述倾斜移动滑道内滑动。
因此，通过在转轴连接机构中设置屏幕支撑翻板，在配置转轴连接机构的设备的柔性屏幕处于展开状态后，可以通过屏幕支持翻板为柔性屏幕提供支撑力，以实现对柔性屏幕的支撑。
在一种可能的实现方式中，所述转轴连接机构还包括套装在两个所述转轴外部的固定块，以及，
所述连接组件中的屏幕支撑翻板的一端通过所述固定块与对应所述连接组件的转轴固定连接。
在一种可能的实现方式中，每个所述转轴对应的连接组件中的驱动片的斜槽的方向与每个所述转轴的螺旋槽的旋向相反；或者，
每个所述转轴对应的连接组件中的驱动片的斜槽的方向与每个所述转轴的螺旋槽的旋向相同。
在一种可能的实现方式中，所述转轴连接机构还包括：
阻尼片，在靠近两个所述转轴的端部的位置，所述阻尼片与两个所述转轴过盈配合。
因此，通过在转轴连接机构中设置阻尼片，可以增加转轴转动过程中的阻力，这样，当转轴连接机构配置在设备上时，可以通过阻尼片为转轴转动过程中增加的阻力来增加设备在开合过程中的阻力，从而，使得设备在开合时能够在一定角度范围内的任意角度保持一个稳定状态。
在一种可能的实现方式中，所述转轴连接机构还包括：
双轴固定块，在每个所述转轴的螺旋槽靠近所述转轴的端部的一侧，所述双轴固定块与两个所述转轴转动连接。
因此，通过在转轴连接机构中设置双轴固定块，可以使得在转轴连接机构的两个转轴同步转动的过程中两个转轴之间的距离保持不变。
在一种可能的实现方式中，所述驱动片上的斜槽的方向相对于所述驱动片的长度方向的夹角与所述滑道块朝着靠近或远离对应所述连接组件的转轴的方向滑动的滑动量和所述驱动片在所述第一方向上的滑动量有关，所述驱动片的长度方向与对应所述连接组件的转轴的轴向方向垂直，并且，当所述转轴连接机构配置于设备上时，所述驱动片的长度方向与所述设备的厚度方向垂直。
在一种可能的实现方式中，所述夹角为45°。
第二方面，提供了一种可折叠的设备，所述设备包括：
可折叠的柔性屏幕；
如上述第一方面中任一方面的至少一个转轴连接机构，每个所述转轴连接机构设置在所述柔性屏幕的下方，其中，每个所述转轴连接机构中的滑道块与所述设备的机壳连接。
因此，本申请实施例提供的可折叠的设备，设置可折叠的柔性屏幕和至少一个转轴连接机构，每个转轴连接机构包括两个转轴、一个同步驱动块和对应每个转轴的连接组件，其中，连接组件包括中滑道块和驱动片，通过同步驱动块使得两个转轴同步转动，同时， 带动驱动片在平行于转轴的轴向方向的第一方向上滑动，并且，基于驱动片上的斜槽带动与驱动片配合连接的滑道块朝着远离或靠近转轴的方向滑动，将转轴的转动转化为滑道块的滑动，通过滑道块与设备的机壳的连接，最终通过滑道块带动设备的机壳朝着远离或靠近转轴的方向滑动。这样，当柔性屏幕被折叠时，通过转轴连接机构的运动可以为柔性屏幕的弯曲区域提供有效的容纳空间，当柔性屏幕被展开时，通过转轴连接机构的运动可以将柔性屏幕慢慢拉平，都有效地保证了柔性屏幕的长度不变的特性，提高了用户体验。
此外，通过同步驱动块同时实现带动驱动片在第一方向上滑动的功能和实现两个转轴同步转动的功能，一方面，可以有效地控制转轴的转动和驱动片与滑道块的滑动之间的相对误差，提高转轴的整体精度；另一方面，若一个转轴转动，可以较快地驱动另一个转轴转动，减少了转轴的转动滞后而导致的卡死问题，提高了用户体验。
驱动片可以同时实现驱动片在第一方向的滑动和带动滑道块朝着远离或靠近转轴的方向滑动，公差累计小，能够较好的控制转动和滑动之间的相对误差，并且，可以较好地控制滑道块滑动过程中的阻力，提高用户操作力度体验。
在一种可能的实现方式中，至少一个所述转轴连接机构包括两个所述转轴连接机构，分别设置在靠近所述设备的机壳在第一方向上的两个端部的位置，所述第一方向与每个所述转轴连接机构中的转轴的轴向方向平行。
附图说明
图1是现有技术的笔记本电脑处于折叠状态和展开状态的示意性结构图。
图2是本申请实施例的柔性屏幕处于折叠状态和展开状态的示意性结构图。
图3是本申请实施例的柔性屏幕的折叠方式的示意图。
图4是本申请实施例的柔性屏幕处于折叠状态和展开状态的另一示意性结构图。
图5和图6是设置有本申请实施例的可折叠的设备的示意性结构图。
图7是本申请实施例的转轴连接机构处于展开状态的三维图。
图8是本申请实施例的滑道块的三维图和俯视图。
图9是本申请实施例的驱动片的三维图。
图10是本申请实施例的转轴和同步驱动块的连接处的局部三维图。
图11是本申请实施例的转轴连接机构处于折叠状态的俯视图。
图12至图15是本申请实施例的转轴的螺旋槽的旋向和驱动片的斜槽的方向的示意性结构图。
图16是本申请实施例的转轴连接机构处于展开状态的另一三维图。
图17是本申请实施例的滑动片的三维图。
图18是本申请实施例的滑道块的局部三维图。
图19是本申请实施例的转轴连接机构处于展开状态的俯视图。
图20是本申请实施例的滑动片固定块的俯视图。
图21是本申请实施例的转轴的俯视图。
图22是本申请实施例的转轴连接机构处于展开状态的另一俯视图。
图23是本申请实施例的转轴连接机构处于展开状态的主视图。
图24是本申请实施例的转轴连接机构处于折叠状态的主视图。
图25是本申请实施例的转轴连接机构在设备中的位置的示意性结构图。
图26是本申请实施例的转轴连接机构中的转轴和固定块的连接处的局部示意图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
本申请实施例的转轴连接机构可以应用于具有可折叠的柔性屏幕的设备中，例如，该设备可以是手机、Pad、笔记本电脑等。
图1所示为现有技术的笔记本电脑的示意性结构图。如图1所示，110和120分别是笔记本电脑的两个部件，例如，110是包括主机的部件，120是包括显示屏的部件，130是笔记本电脑上的连接机构，131是连接机构130中配置在部件110上的转轴，132是连接机构130中配置在部件120上的转轴。
在图1的第一幅图中，笔记本电脑处于折叠状态，长度A表示转轴轴心与部件110或部件120的端部之间的距离，长度B表示折叠后的弯折区域的长度，L1＝2A+B；图1的第二幅图中，笔记本电脑处于展开状态，展开后的笔记本电脑的长度为L2，L2＝2A+C，其中，C为两个转轴之间的轴间距。
若是将笔记本电脑的两个端部之间的距离都理解为柔性屏幕的总长度，则L1即为笔记本电脑处于折叠状态时柔性屏幕的总长度，L2即为笔记本电脑处于展开状态时柔性屏幕的总长度，很明显，L2大于L1。因此，可以看出，柔性屏幕的这种折叠状态无法保证柔性屏幕在被折叠或被展开过程中长度保持不变(即，L1＝L2)，这样，柔性屏幕会受到损坏；自然地，基于这种折叠状态设计的连接机构也无法保证柔性屏幕的长度不变的特性。
可以想来，可以通过使得处于折叠状态的柔性屏幕有着较大的弯曲区域来尽可能避免柔性屏幕受到损坏，也就是说，需要使得柔性屏幕保持一种特定的折叠状态，才能保证柔性屏幕的长度保持不变。例如，如图2所示的柔性屏幕的两种折叠状态，柔性屏幕处于折叠状态的弯曲区域相较于图1来说都有着较大的弯曲区域。
基于上述柔性屏幕的折叠状态，需要相应地设计一种转轴连接机构，在柔性屏幕被折叠时，可以通过转轴连接机构的转动使得设备有着能够容纳这种较大的弯曲区域的空间；在柔性屏幕被展开时，可以通过转轴连接机构的转动将柔性屏幕慢慢拉平，从而使得设备无论在什么状态柔性屏幕的长度都保持不变。
首先，对本申请实施例的附图的坐标系进行说明。x、y和z方向两两垂直，z方向可以理解为转轴连接机构(或者说，设备)的厚度方向，y方向也可以理解为转轴连接机构中的转轴的轴向方向，x方向与y方向垂直，且平行于柔性屏幕处于展开状态的平面。
在本申请实施例中，柔性屏幕可以有两种折叠方向。如图3所示，一种折叠方式为向内折叠，这种折叠方式使得折叠后的设备的机壳包裹在柔性屏幕的外部，例如，如图4所示；另一种折叠方式为向外折叠，这种折叠方式使得折叠后的柔性屏幕包裹在设备的机壳的外部。
当柔性屏幕按照向内折叠的方式被折叠时，为了实现柔性屏幕被折叠或被展开时柔性屏幕的长度保持不变的特性，可以通过转轴连接机构将转轴的转动转化为设备远离或靠近转轴的滑动。例如，当柔性屏幕由展开状态按照向内折叠的方式被折叠时，转轴连接机构中的转轴开始转动最终带动设备的机壳朝着远离转轴的方向滑动，从而为柔性屏幕的弯曲 区域预留足够的空间，这样，避免柔性屏幕受到破坏，保证了柔性屏幕的长度保持不变；同理，当柔性屏幕由折叠状态开始被展开时，转轴连接机构中的转轴开始转动最终带动设备的机壳朝着靠近转轴的方向滑动，以回收之前为柔性屏幕的弯曲区域预留的空间，慢慢拉平柔性屏幕，也保证了柔性屏幕的长度保持不变的特性。
当柔性屏幕按照向外折叠的方式被折叠时，柔性屏幕由展开状态开始被折叠时，设备的机壳的滑动方向与柔性屏幕按照向内折叠的方式被折叠时机壳的滑动方向刚好相反。即，当柔性屏幕由展开状态开始被折叠时，转轴连接机构中的转轴开始转动最终带动设备的机壳朝着靠近转轴的方向滑动；当柔性屏幕由折叠状态开始被展开时，转轴连接机构中的转轴开始转动最终带动设备的机壳朝着远离转轴的方向滑动。
下面，结合图5至图26，对本申请实施例的转轴连接机构进行详细说明。
首先，通过图5和图6对本申请实施例的转轴连接机构在设备中的位置进行说明。
在本申请实施例中，一个设备中可以配置至少一个转轴连接机构。
图5所示为本申请实施例中的转轴连接机构在设备中的位置的一个示意图。图5示出了配置在设备上的两个转轴连接机构230，每个转轴连接机构230设置在柔性屏幕220的下方，其中，转轴连接机构230与设备的机壳210连接。两个转轴连接机构沿着y方向依次放置，在一种可能的实现方式中，两个转轴连接机构沿着设备在y方向的中心线对称放置。
图6所示为本申请实施例的转轴连接机构在设备中的位置的另一个示意图。图6示出了配置在设备上的一个转轴连接机构230，转轴连接机构230可以配置在设备或柔性屏幕的中心位置。
应理解，图5和图6所示的转轴连接机构在设备上的位置仅为示意性说明，不应对本申请实施例构成限定，可以基于实际需求以及转轴连接机构的数量灵活设置转轴连接机构在设备上的位置。
下面，结合图7至图26，对本申请实施例的转轴连接机构300进行详细说明。
应理解，图7至图25所示的转轴连接机构以及各个部件的示意性结构图都是示意性说明，任何变形的实现方式或连接方式都在本申请实施例的保护范围内。
如图7所示，本申请实施例的转轴连接机构包括两个转轴310、对应两个转轴310的两个连接组件和一个设置在两个转轴310之间的同步驱动块330，一个转轴310对应一个连接组件。其中，每个连接组件包括：滑道块321和驱动片322。
下面，对转轴连接机构的每个部件以及各个部件之间的连接关系进行说明。此外，由于每个连接组件中的部件都相同，因此，为了描述方便以及简洁，仅以图7所示的转轴连接机构中右边的连接组件为例说明连接组件中的各个部件。
转轴310
转轴310上设置有螺旋槽311，由于两个转轴310在转动时的转动方向是相反的，因此，两个转轴310上的螺旋槽311的旋向相反。
例如，在图7中，顺着y方向看，当柔性屏幕由展开状态按照向内折叠的方式开始被折叠时，右边的转轴310(记为310-1)的转动方向是逆时针转动，对应地，转轴310-1的螺旋槽311(记为311-1)的旋向可以是左旋，左边的转轴310(记为310-2)的转动方向是顺时针转动，左边的转轴310-2的螺旋槽311(记为311-2)的旋向是右旋。
滑道块321
如图7所示，右边的滑道块321(记为321-1)是转轴连接机构300与设备的机壳连接的部件，例如，滑道块321-1上设置有螺钉通孔3211-1，可以通过螺钉将滑道块321-1上的螺钉通孔3211-1与设备的机壳连接，从而实现转轴连接机构300与设备的连接。
图8所示为滑道块321-1的示意性结构图。结合图7和图8，滑道块321-1在靠近对应的转轴310-1的位置处具有朝驱动片322-1凸起的凸台3212-1，图8中左边的图是滑道块321-1的三维图，右边是对应图8的滑道块321-1的俯视图。其中，凸台3212-1的数量为至少一个，图7和图8的两个凸台仅为示意性说明，并且，凸台3212-1的方向与转轴310-1上的螺旋槽311-1的旋向以及机壳的滑动方向有关，具体会在后面进行详细说明。
驱动片322
继续如图7所示，右边的驱动片322(记为322-1)设置在滑道块321-1与对应的转轴310-1之间，在靠近转轴310-1的一端，并且，在转轴310-1的螺旋槽311-1远离转轴310-1的端部的一侧(即，在螺旋槽311-1的下方)设置有连接件3221-1，其中，连接件3221-1的数量为至少一个(图7中示意性示出一个连接件3221-1)，当驱动片包括多个连接件3221-1时，任意两个连接件之间不接触，并且，具有一定的距离，以便于插入同步驱动块330上的连接件；结合图9所示，在远离转轴310-1的一端设置有能够使得滑道块321-1的凸台3212-1插入的斜槽3222-1，斜槽3222-1的数量与滑道块321-1的凸台3212-1的数量相同(图9中示意性示出两个斜槽)，其中，斜槽3222-1可以使得滑道块321-1朝着靠近转轴310-1的方向或远离转轴310-1的方向滑动，或者说，斜槽3222-1可以使得滑道块321-1在滑道块321-1的宽度方向上滑动，具体原理后续详细说明。
这里，驱动片322上的连接件可以是如图7所示的圆环柱体，也可以是其他能够实现转动连接的部件，本申请实施例不限于此。
并且，应理解，图7所示的圆环柱体3221-1仅是示意性说明，不应对本申请实施例构成限定。例如，虽然图7所示的圆环柱体3221-1在周向方向上是不封闭的，实际上圆环柱体3221-1在周向方向上可以是封闭的，只要驱动片322上的圆环柱体3221-1能够嵌套在转轴310-1上即可。
需要说明的是，当转轴连接机构处于展开状态时，滑道块321的宽度方向与x方向平行，滑道块321的长度方向与y方向平行，滑道块321的厚度方向与机壳的厚度方向相同。
同步驱动块330
继续如图7所示，同步驱动块330设置在两个转轴310之间。结合图10所示的同步驱动块330与两个转轴310连接处的局部放大图，在转轴310的轴向方向上，或者说，在y方向上，同步驱动块330分别设置有能够插入每个转轴310的螺旋槽的定位凸起部位331和嵌套在每个转轴310外部的第一连接件332和第二连接件333，其中，第一连接件332和第二连接件333的数量相同且都可以是至少一个；并且，第一连接件332和第二连接件333位于驱动片322上的连接件3221的两侧，以使得驱动片322在同步驱动块330的带动下在第一方向(即，y方向)上滑动。
以右边的转轴310-1和对应的右边的驱动片322-1为例，同步驱动块330上设置有插入螺旋槽311-1的定位凸起部位331-1，在定位凸起部位331-1的下方，设置有例如图10所示的第一连接件332和第二连接件333，第一连接件332和第二连接件333设置在驱动 片322-1上的连接件3221-1的两侧。
这里，第一连接件332-1和第二连接件333-1位于驱动片322-1的连接件3221-1的两侧的目的是可以限制驱动片322-1在第一连接件332-1和第二连接件333-1之间的滑动位移，有着一定的定位作用。例如，在图10中，第一连接件332-1和第二连接件333-1朝向驱动片的连接件3221-1的两个端面都分别与驱动片的连接件3221-1接触，这样，可以使得驱动片330-1在第一连接件332-1和第二连接件333-1之间的滑动位移近似为0，起到了很好的定位作用。
这里，同步驱动块330的第一连接件332和第二连接件333可以是如图7和10所示圆环柱体，也可以是其他能够实现转动连接的部件，本申请实施例不限于此。
下面，结合图7和图11所示的转轴连接机构为例，对本申请实施例的转轴连接机构的工作原理进行说明。
转轴310提供原动力，基于转轴310的转动带动其他部件运动。当转轴连接机构配置在具有柔性屏幕的设备中，当柔性屏幕由展开状态按照向内折叠的方式开始被折叠时，一个转轴310(例如，转轴310-2)开始转动，同步驱动块330上的定位凸起部位331-2在螺旋槽311-2上滑动，对应转轴310-1的定位凸起部位331-1也会在螺旋槽311-1上滑动，从而带动另一个转轴310(例如，转轴310-1)转动，以实现同步驱动块330同步两个转轴310的功能；同时，同步驱动块330上的定位凸起部位331在螺旋槽311上的滑动，使得同步驱动块330会沿着y方向的反方向滑动。在转轴连接机构的左边的连接组件中，由于驱动片322-1与转轴310-1连接，并且，同步驱动块330套在转轴310-1上的第一连接件332-1和第二连接件333-1设置在驱动片332-1的连接件3221-1的两侧，因此，当同步驱动块330沿着y方向的反方向滑动时，会带动驱动片322-1也沿着y方向的反方向滑动，这样，实现了驱动片322-1在y方向(即，第一方向)上的滑动；同时，由于驱动片322-1上设置有斜槽3222-1，设置在滑道块310上的凸台3212-1配合插入斜槽3222-1，自然地，驱动片322-1的运动会带动滑道块310的运动，因此，在驱动片322-1沿着y方向的反方向滑动时，滑道块310-1在驱动片320-1上的斜槽3222-1的带动下会朝着远离转轴310-1的方向移动。同理，转轴连接机构的左边的连接组件中的驱动片322在同步驱动块330的作用下，也会沿着y方向的反方向滑动，同时，左边的驱动片322上的斜槽3222也会带动左边的滑道块310沿着朝着远离左边的转轴310的方向滑动。如图11所示，当柔性屏幕处于折叠状态时，图7所示的转轴连接机构运动至图11所示的状态，可以明显看出，驱动片322-1在y方向滑动了Δy的距离，滑道块321-1朝着远离转轴310-1的方向(例如，图11所示的x方向)滑动了Δx的距离。
这样，当转轴连接机构配置在设备上时，滑道块310是与设备的机壳连接的部件，当滑道块310朝着远离转轴310的方向滑动时，机壳也会朝着远离转轴310的方向滑动，这样，为柔性屏幕被折叠后形成的弯曲区域留出足够的容纳空间，保证了柔性屏幕被折叠过程中柔性屏幕的长度保持不变。
反过来，当柔性屏幕从折叠状态开始被展开的过程中，转轴310开始反方向转动，转轴连接机构会从图11所示的状态运动至图7所示的状态，以使柔性屏幕在被展开过程中屏幕的长度保持不变。
基于上述描述，本申请实施例提供的转轴连接机构，设置有两个转轴、一个同步驱动 块和对应每个转轴的连接组件，其中，连接组件包括中滑道块和驱动片，通过同步驱动块使得两个转轴同步转动，同时，带动驱动片在平行于转轴的轴向方向的第一方向上滑动，并且，基于驱动片上的斜槽带动与驱动片配合连接的滑道块朝着远离或靠近转轴的方向滑动，最终，将转轴的转动转化为滑道块的滑动。当转轴连接机构配置在具有柔性屏幕的设备上时，滑道块与设备的机壳连接，最终带动设备的机壳朝着远离或靠近转轴的方向滑动，这样，当柔性屏幕被折叠时，通过转轴连接机构的运动可以为柔性屏幕的弯曲区域提供有效的容纳空间，当柔性屏幕被展开时，通过转轴连接机构的运动可以将柔性屏幕慢慢拉平，都有效地保证了柔性屏幕的长度不变的特性，提高了用户体验。
此外，通过同步驱动块同时实现带动驱动片在第一方向上滑动的功能和实现两个转轴同步转动的功能，一方面，可以有效地控制转轴的转动和驱动片与滑道块的滑动之间的相对误差，提高转轴的整体精度；另一方面，若一个转轴转动，可以较快地驱动另一个转轴转动，减少了转轴的转动滞后而导致的卡死问题，提高了用户体验。
驱动片可以同时实现驱动片在第一方向的滑动和带动滑道块朝着远离或靠近转轴的方向滑动，公差累计小，能够较好的控制转动和滑动之间的相对误差，并且，可以较好地控制滑道块滑动过程中的阻力，提高用户操作力度体验。
如前所述，柔性屏幕可以按照向内折叠的方式被折叠，也可以按照向外折叠的方式被折叠，当本申请实施例的转轴连接机构配置在具有柔性屏幕的设备上时，转轴上的螺旋槽、驱动片上的斜槽的以及滑道块上插入斜槽的凸台的设计都会有所不同。
下面，结合图12至图15分别基于上述两种方式对转轴上的螺旋槽、驱动片上的斜槽的以及滑道块上插入斜槽的凸台进行详细说明。
此外，由于转轴连接结构的转轴、驱动片和滑道块都是对称设置，所以，为了简洁，仅以类似图7或图11所示的转轴连接机构中的右边的转轴、驱动片和滑道块进行说明。
柔性屏幕由展开状态按照向内折叠的方式被折叠
此种情况下，当柔性屏幕被折叠时，需要转轴带动滑动块朝着远离转轴的方向滑动，当柔性屏幕被展开时，需要转轴带动滑动块朝着靠近转轴的方向滑动。因此，为了实现上述目的，转轴上的螺旋槽的旋向应该和对应的连接组件上的驱动片的斜槽的方向相反。
图12和图13所示为本申请实施例的转轴的螺旋槽的旋向与驱动片的斜槽的方向相反的示意性结构图。
在图12中，螺旋槽311-1的旋向是左旋，斜槽3222-1的方向与螺旋槽311-1的方向相反，即，斜槽3222-1的方向是右上方，那么，滑道块321-1的凸台321-1的方向就是唯一的，对应斜槽3222-1的方向。在此种情况下，当柔性屏幕处于展开状态时，或者说，当转轴连接机构处于展开状态时，同步驱动块330的定位凸起部位331-1的起始位置在M1所示的位置，滑道块321-1的凸台321-1的起始位置在N1所示的位置。
对应地，与图12中的转轴311-1对称配置的左边的转轴的螺旋槽的旋向是右旋，对应的驱动片上的斜槽的方向是左上方，图中未示出。
在图13中，螺旋槽311-1的旋向是右旋，斜槽3222-1的方向与螺旋槽311-1的方向相反，即，斜槽3222-1的方向是右下方，滑道块321-1的凸台321-1的方向对应斜槽3222-1的方向。在此种情况下，当柔性屏幕处于展开状态时，或者说，当转轴连接机构处于展开状态时，同步驱动块330的定位凸起部位331-1的起始位置在M2所示的位置，滑道块321-1 的凸台321-1的起始位置在N2所示的位置。
对应地，与图13中的转轴311-1对称配置的左边的转轴的螺旋槽的旋向是左旋，对应的驱动片上的斜槽的方向是左下方，图中未示出。
柔性屏幕由展开状态按照向内折叠的方式被折叠
此种情况下，当柔性屏幕被折叠时，需要转轴转动带动滑道块朝着靠近转轴的方向移动；当柔性屏幕被展开时，需要转轴带动滑动块朝着远离转轴的方向移动。因此，为了实现上述目的，转轴上的螺旋槽的旋向应该和对应的驱动片的斜槽的方向相同。
图14和图15所示为本申请实施例的转轴的螺旋槽的旋向与驱动片的斜槽的方向相同的示意性结构图。
在图14中，螺旋槽311-1的旋向是左旋，斜槽3222-1的方向与螺旋槽311-1的旋向相同，即，斜槽3222-1的方向是右下方，那么，滑道块321-1的凸台321-1的方向就是唯一的，对应斜槽3222-1的方向。在此种情况下，当柔性屏幕处于展开状态时，或者说，当转轴连接机构处于展开状态时，同步驱动块330的定位凸起部位331-1的起始位置在M3所示的位置，滑道块321-1的凸台321-1的起始位置在N3所示的位置。
对应地，与图14中的转轴311-1对称配置的左边的转轴的螺旋槽的旋向是右旋，对应的驱动片上的斜槽的方向是左下方，图中未示出。
在图15中，螺旋槽311-1的旋向是右旋，斜槽3222-1的方向与螺旋槽311-1的旋向相同，即，斜槽3222-1的方向是右上方，滑道块321-1的凸台321-1的方向对应斜槽3222-1的方向。在此种情况下，当柔性屏幕处于展开状态时，或者说，当转轴连接机构处于展开状态时，同步驱动块330的定位凸起部位331-1的起始位置在M2所示的位置，滑道块321-1的凸台321-1的起始位置在N2所示的位置。
对应地，与图15中的转轴311-1对称配置的左边的转轴的螺旋槽的旋向是左旋，对应的驱动片上的斜槽的方向是左上方，图中未示出。
从上文描述的转轴连接机构的原理可以看出，驱动片322上的斜槽3222的方向与驱动片322的长度方向(或者说，滑道块321的宽度方向)之间形成的夹角与驱动片322在y方向的移动量和滑道块321朝着靠近或远离对应的转轴310的方向移动的移动量相关。其中，驱动片322的长度方向与对应的转轴310的轴向方向垂直，并且，当转轴连接机构配置于设备上时，驱动片322的长度方向与设备的厚度方向垂直。当转轴连接机构处于展开状态时，驱动片322的长度方向就是图7所示的x方向。
实际上，在确定斜槽3222的方向与驱动片322的长度方向的之间的夹角时，滑道块321朝着靠近或远离对应的转轴310的方向移动的移动量可以理解为滑道块321在滑道块的宽度方向(或，驱动片322的长度方向)上的移动量。
在实际设计中，滑道块321在其宽度方向上的移动量是确定的，可以先初步确定斜槽3222的方向与驱动片322的方向之间的夹角，再基于该夹角和滑道块321在其宽度方向上的移动量确定驱动片322在y方向上的移动量。后续多次调整直至确定最终的夹角。
在一种可能的实现方式中，该夹角为45°。
以下，为了方便描述后续方案，以图12所示的螺旋槽的旋向和斜槽的方向为例对后续方案进行说明。
本申请实施例的目的是将转轴的转动转化为滑道块沿着靠近转轴或远离转轴的方向 的移动，为了有效地保证滑道块在相对转轴移动过程中，滑道块尽量仅在一个方向(即，滑道块的宽度方向)上直线运动，本申请实施例在例如图7所示的转轴连接机构中还设置了位于滑道块323和对应的转轴310之间的滑动片323。其中，滑动片323的宽度方向与转轴310的轴向方向垂直，并且，当转轴连接结构配置于设备上时，滑动片323的宽度方向与设备的厚度方向垂直，当转轴连接机构处于展开状态时，滑道块323的宽度方向就是图16所示的x方向；此外，滑动片323的宽度方向与驱动片322的长度方向相同。
参考图16、图17、图18和图19，继续仅以右边的连接组件进行说明。
如图16所示，右边的连接组件的滑动片323(记为滑动片323-1)设置在滑道块321-1和转轴310-1之间，并且，如图17，滑动片321-1上分别设置有两个伸出端部3231-1，对应地，如图18所示，在滑道块321-1的两个端部的位置处也分别设置有两个开口朝向相对的凹槽3213-1，滑道块321-1上的两个凹槽3213-1对应滑动片323-1上的两个伸出端部3231-1，每个伸出端部3231-1插入对应的凹槽3213-1。当连接组件包括滑动片323-1时，驱动片322-1可以设置在滑动片323-1和转轴310-1之间，例如，参考图16和图17，滑动片323-1在靠近转轴310-1的位置处向内凹陷以放置驱动片322-1。并且，如图16和图17所示，驱动片322与滑动片323之间滑动连接，例如，可以将穿过驱动片322-1上的销钉连接在滑动片323-1上的卡槽3232-1上，从而实现驱动片322-1和滑动片323-1的滑动连接。当柔性屏幕由图16所示的展开状态按照向内折叠的方式被折叠处于图19所示的折叠状态时，驱动片322-1通过与滑动片323-1上的滑动连接沿着y方向的反方向移动一定距离。
在本申请实施例中，滑动片323-1与转轴310-1转动连接。
在一种实现方式中，滑动片323-1可以和转轴310-1之间直接连接，例如，可以在滑动片323-1上设置嵌套在转轴310-1上的圆环柱体，从而实现滑动片323-1与转轴310-1的转动连接。
在另一种实现方式中，滑动片323-1和转轴310-1也可以通过其他部件进行连接。
即，连接组件还包括：至少一个滑动片固定块324，每个滑动片固定块324设置在对应的转轴310和滑动片313之间，每个滑动片固定块324与对应的转轴310转动连接，与滑动片323固定连接。其中，滑动片固定块324可以通过设置在其上的连接件与对应的转轴310转动连接，通过例如焊接、铆接和螺钉等方式与滑动片323固定连接。
参考图20，继续以右边的连接组件为例进行说明。
在图20左边的图中示出了配置在转轴连接机构上的一个滑动片固定块324-1，包括两个嵌套在转轴310-1上的连接件3241-1，在滑动片固定块324-1的另一端，可以在例如图20所示的两个位置与滑动片323-1固定连接。当然，图20所示的连接方式仅为示意性说明，各种变形的连接方式都在本申请实施例的保护范围内。
结合图16，在图20右边的图中示出了配置在转轴连接机构上的两个滑动片固定块324-1，每个滑动片固定块341-1上包括嵌套在转轴310-1上的连接件3241-1，另一端与滑动片323-1固定连接。
由于转轴连接机构配置在设备上，理论上来说占据设备的空间越小越好，因此，可以将转轴做的较小，但是，还必须要保证转轴的强度，因此，为了在转轴的体积较小的情况下保持转轴的强度，可以将转轴设计为变径轴。
图21所示为本申请实施例的变径轴的示意性结构图。
如图21所示，变径轴的中间部位(即，部位313-1)的半径大，两个端部(即，部位312-1)的半径小。在本申请实施例中，半径较大的部位可以是设置有螺旋槽的部位。
这种情况下，可以将滑动片固定块324上的连接件3241与对应的转轴310的半径较小的部位转动连接。并且，当转轴310是变径轴时，采用滑动片固定块324连接滑动片323和转轴310的方式简单实用。
即，在一种可能的实现方式中，连接组件的转轴310为变径轴，以及，每个滑动片固定块324与对应连接组件的转轴310的第一部位312转动连接，所述第一部位312的半径小于对应所述连接组件的转轴310中设置有螺旋槽的部位313的半径。
下面，以一个连接组件中包括两个滑动片固定块324为例，继续参考图16和图19，以右边的连接组件为例进行说明。
如图16和图19所示，在y方向上靠近转轴310-1的两个端部的位置设置有两个滑动片固定块324-1，每个滑动片固定块324-1设置在滑动片321-1与转轴310-1之间，其中，滑动片固定块324-1的一端与转轴310-1转动连接。例如，可以通过设置在滑动片固定块324-1上的连接件嵌套在转轴310-1上实现转动连接。这里，滑动片固定块324-1与转轴310-1的第一部位312-1转动连接，参考图21。
滑动片固定块324-1的另一端与滑动片323-1固定连接。例如，如图17所示，滑动片323-1的两个伸出的部位(称为连接部位)是分别与两个滑动片固定块324-1固定连接的连接部位，每个连接部位与一个滑动片固定块324-1的一端连接。其中，滑动片固定块324-1与滑动片323-1可以通过例如焊接、铆接和螺钉等方式实现两个部件的固定连接。
这里，滑动片固定块324-1上的连接件可以是如图16和19所示圆环柱体，也可以是其他能够实现转动连接的部件，本申请实施例不限于此。
转轴连接机构的两个转轴在同步转动的过程中，需要尽可能使得两个转轴之间的距离保持不变。因此，基于这个考虑，继续参考图16，本申请实施例的转轴连接机构还可以包括与两个转轴310转动连接的双轴固定块340。一般情况下，在靠近转轴310端部的位置会设置双轴固定块340。
其中，双轴固定块340的数量可以有一个或多个，本申请实施例不做任何限定。若双轴固定块340的数量为一个，可以设置在转轴310的任一个端部；若双轴固定块340的数量为多个，多个中的两个可以设置在靠近转轴310的两个端部处，其余的设置在中间位置。图16中示出了两个设置在靠近转轴310的端部的双轴固定块。
在一种可能的实现方式中，继续如图16所示，本申请实施例的转轴连接机构还包括：设置在两个转轴310(即，转轴310-1和转轴310-2)的端部的阻尼片350，阻尼片350上分别设置有对应两个转轴310的两个连接件(例如，两个圆环柱体)，阻尼片350上的每个连接件与对应的转轴310过盈配合。
当转轴连接机构包括双轴固定块340时，阻尼片350可以设置在双轴固定块340远离转轴310的端部的一侧，例如，在图16中，阻尼片350设置在双轴固定块340与驱动片322之间的区域。
因此，通过在转轴连接机构中设置阻尼片，可以增加转轴转动过程中的阻力，这样，当转轴连接机构配置在设备上时，可以通过阻尼片为转轴转动过程中增加的阻力来增加设 备在开合过程中的阻力，从而，使得设备在开合时能够在一定角度范围内的任意角度保持一个稳定状态。
在本申请实施例中，考虑到设备的装配以及尺寸问题，转轴310的长度可能较短，或者说，转轴310会做的比较小，这样，当柔性屏幕处于展开状态时，针对平行于转轴的轴向方向的方向上的区域，柔性屏幕的一部分区域可以通过转轴310得到支撑，柔性屏幕中转轴310以外的区域可能并不能很好地得到支撑，这样，可能导致用户在使用过程中按压柔性屏幕而损坏柔性屏幕。
因此，当柔性屏幕处于展开状态时，为了使得柔性屏幕得到较好的支撑，参考图22、图23和24，本申请实施例的转轴连接机构还可以包括：升降块组件，升降块组件包括屏幕支撑升降块361和对应两个转轴310的两个偏心轮362，其中，偏心轮362-1对应转轴310-1，偏心轮362-2对应转轴310-2。
下面，对升降块组件中的各个部件进行详细说明。
在转轴310-1和转轴310-2的同一端，偏心轮362-1固定在转轴310-1上，偏心轮362-2固定在转轴310-2上。
屏幕支撑升降块361与两个偏心轮362都滑动连接。例如，参考图23，屏幕支撑升降块361上设置有与两个偏心轮362对应的两个滑动槽3611(即，滑动槽3611-1和滑动槽3611-2)。其中，滑动槽3611-1对应偏心轮362-1，偏心轮362-1可以通过销钉固定在滑动槽3611-1中实现偏心轮362-1与屏幕支撑升降块361的滑动连接；同理，偏心轮362-2也是通过销钉固定在滑动槽3611-2中实现品偏心轮362-2与屏幕支撑升降块361的滑动连接。
这样，当两个转轴310转动时，每个偏心轮362可以围绕对应的转轴310转动，通过偏心轮362与屏幕支撑升降块361之间的滑动连接，可以通过偏心轮带动屏幕支撑升降块在y方向(即，第一方向)上移动。
例如，在图23中，当转轴连接机构处于展开状态时，屏幕支撑升降块361靠近放置柔性屏幕的位置，用于支撑除了转轴以外的柔性屏幕的区域，在图24中，当转轴连接机构处于折叠状态时，屏幕支撑升降块361向下移动(或，沿着y方向的反方向移动)至远离放置柔性屏幕的位置。
需要指出的是，在本申请实施例中，一个转轴连接机构可以配置一个升降块组件，也可以配置两个升降块组件，每个升降块组件与转轴的连接方式都相同，可以参考上述针对图23和图24的描述。当转轴连接机构配置一个升降块组件时，一个升降块组件配置在两个转轴的两个端部的任一个同一端部，例如，在图22中，升降块组件配置在转轴的上面的端部(即，端部A)，可以理解，升降块组件也可以配置在转轴的下面的端部(即，端部B)；当转轴连接机构可以配置两个升降块组件时，两个升降块组件可以分别配置在转轴的两个端部(例如，图22中的端部A和端部B)。
需要说明的是，转轴连接机构中配置一个或两个升降块组件，可以具体根据转轴连接机构与柔性屏幕的位置确定。以设备中配置一个转轴连接机构为例，参考图25，在图25的左边的图中，当转轴的两个端部与柔性屏幕在y方向上的两个端部都有一定距离(例如，y1和y2)，那么，可以在转轴的每个端部都配置一个升降块组件；在图25的右边的图中，转轴有一个端部与柔性屏幕在y方向上的端部存在距离(例如，y3)，那么，可以在转轴 的这个端部处配置一个升降块组件。当然，若是转轴的两个端部与柔性屏幕在y方向上的两个端部都基本上不存在距离或者距离在一定预设范围内，也可以不需要在转轴的端部配置升降块组件。
因此，本申请实施例提供的转轴连接机构，在转轴上配置包括偏心轮和屏幕支撑升降块的升降块组件，偏心轮固定在转轴上，屏幕支撑升降块与偏心轮滑动连接，当转轴转动时，固定在转轴上的偏心轮随着转轴转动并且带动屏幕支撑升降块在平行于转轴的轴向的第一方向上移动，实现了转轴之间的良好轴支撑，为柔性屏幕提供了较好的支撑力，从而提升用户体验。此外，由于升降块组件与转轴连接，使得转轴连接机构在整体上也增加了设备的强度和抗扭动性能。
上述升降块组件是为了向转轴端部的延伸处的柔性屏幕的区域提供支撑力，实际上，当转轴连接机构处于展开状态时，在x方向上，在转轴连接机构的两侧区域，柔性屏幕也需要有一定的支撑力。
因此，本申请实施例的每个连接组件还包括：屏幕支撑翻板370。其中，每个连接组件中屏幕支撑翻板370的数量可以为一个或多个。当每个连接组件包括一个屏幕支撑翻板370时，屏幕支撑翻板370可以配置在对应的转轴的任一个端部，当每个连接组件包括两个屏幕支撑翻板370时，屏幕支撑翻板370可以配置在对应的转轴的两个端部。
下面，继续结合图22、图23和图24，同样以对应转轴310-1的连接组件中的屏幕支撑翻板370-1为例进行说明。
屏幕支撑翻板370-1的一端与转轴310-1连接，当转轴连接机构配置在设备上时，屏幕支撑翻板370的另一端与机壳中的倾斜移动滑道滑动连接，当转轴310-1转动时，可以带动屏幕支撑翻板310-1在倾斜移动滑道中滑动连接。
具体而言，如图23所示，当转轴连接机构处于展开状态时，屏幕支撑翻板370-1的端部插入倾斜移动滑道的位置A处，当转轴开始转动，滑道块331开始带动机壳朝着远离转轴310-1的方向滑动，机壳的滑动使得屏幕支撑翻板370-1的端部在机壳的倾斜移动滑道内滑动，如图24所示，当转轴连接机构处于折叠状态时，屏幕支撑翻板370-1的端部滑动至倾斜移动滑道的位置B处。
这样，通过在转轴连接机构中设置屏幕支撑翻板，在配置转轴连接机构的设备的柔性屏幕处于展开状态后，可以通过屏幕支持翻板为柔性屏幕提供支撑力，以实现对柔性屏幕的支撑。
在本申请实施例中，屏幕支撑翻板370可以通过其他部件与转轴310连接。
在一种可能的实现方式中，转轴连接机构还包括套装在两个转轴310外部的固定块380，屏幕支撑翻板370通过固定块380与转轴连接。
其中，固定块380可以有两种设计；在一种设计中，固定块380可以作为一个整体套装在两个转轴310外部；在另一种设计中，也可以在每个转轴310处设置一个固定块，每个固定块套装在对应的转轴310上。
在第一种设计中，如图26所示，套装在转轴310-1和转轴310-2的外部的阴影部分的部件即为固定块380，这个固定块是作为整体套装在转轴310-1和转轴310-2上的。在图26的基础上，继续参考图23，左边的屏幕支撑翻板370-1与固定块380固定连接，同理，右边的屏幕支撑翻板370-2也与固定块380固定连接。
在第二种设计中，连接组件还包括套装在对应的转轴310外部的固定块380，以及，屏幕支撑翻板370的一端通过固定块380与对应的转轴310固定连接。
也就是说，固定块380并不是整体套装在两个转轴310外部，而是每个转轴外部套装一个独立的固定块，即，转轴连接机构中设置有两个固定块380，每个转轴310对应一个固定块380，每个固定块380套装在对应的转轴310上，屏幕支撑翻板370的一端通过对应的固定块380与转轴310连接。
继续参考图5和图6，,本申请实施例还提供了一种可折叠的设备，该设备包括：
可折叠的柔性屏幕220；
至少一个转轴连接机构230，每个所述转轴连接机构230设置在柔性屏幕220的下方，其中，每个所述转轴连接机构230中的滑道块与设备的机壳210连接。
转轴连接机构230的数量可以是一个或多个，在一种可能的实现方式中，在图5中，该至少一个转轴连接机构230包括两个转轴连接机构230，在y方向(即，第一方向)上，每个转轴连接机构230靠近设备的机壳的端部的位置。
可选地，在y方向上，两个转轴连接机构230对称设置，
作为示例而非限定，转轴连接机构230的数量可以不仅限于2个，例如图6中的设备中包括一个转轴连接机构，可以设置在设备在y方向上的中间位置；再例如，设备中包括3个甚至更多数量的转轴连接机构，只要满足实际需求即可。
其中，针对每个转轴连接机构的描述可以参考上文结合图7至图5针对转轴连接机构的详细说明，此处为了简洁，不再赘述。
应理解，本申请实施例中描述的一个元件“固定在”另一个元件，元件可以直接或间接固定在另一个元件上；同理，本申请实施例的描述的一个元件与另一个元件“连接”，可以是直接连接或间接连接。
还应理解，本申请实施例描述的一个方向与另一个方向“平行”或“垂直”，可以理解为“近似平行”或“近似垂直”。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (12)

  1. 一种转轴连接机构，其特征在于，所述转轴连接机构包括：
    两个转轴、对应两个所述转轴的两个连接组件和一个同步驱动块，所述连接组件包括：滑道块和驱动片；其中，
    每个所述转轴上都设置有螺旋槽，两个所述转轴上的螺旋槽的旋向相反；
    所述滑道块设置有朝所述驱动片凸起的凸台；
    所述驱动片设置在所述滑道块与对应所述连接组件的转轴之间，设置有能够使得所述滑道块的凸台插入的斜槽，所述驱动片上设置有连接件，在对应所述连接组件的转轴的螺旋槽远离所述转轴的端部的一侧，所述连接件嵌套在与对应所述连接组件的转轴上；
    所述同步驱动块设置在两个所述转轴之间，在第一方向上依次设置有能够插入每个所述转轴的螺旋槽的定位凸起部位、嵌套在每个所述转轴外部的第一连接件和第二连接件，并且，所述第一连接件和所述第二连接件设置在所述驱动片上的连接件的两侧，所述第一方向与每个所述转轴的轴向方向平行。
  2. 根据权利要求1所述的转轴连接机构，其特征在于，所述滑道块还包括：
    在靠近所述滑道块在所述第一方向上的两个端部的位置处分别设置有两个开口朝向相对的凹槽；以及，
    所述连接组件还包括：
    滑动片，设置在所述滑道块与对应所述连接组件的转轴之间，设置有对应所述滑道块的两个凹槽的两个伸出端部，每个所述伸出端部插入所述滑道块中对应的凹槽，所述滑动片与对应所述连接组件的转轴转动连接，所述滑动片与所述驱动片在所述第一方向上滑动连接。
  3. 根据权利要求2所述的转轴连接机构，其特征在于，所述连接组件还包括：
    至少一个滑动片固定块，每个所述滑动片固定块与对应所述连接组件的转轴转动连接，每个所述滑动片固定块与所述滑动片固定连接。
  4. 根据权利要求3所述的转轴连接机构，其特征在于，对应所述连接组件的转轴为变径轴，以及，每个所述滑动片固定块与对应所述连接组件的转轴的第一部位转动连接，所述第一部位的半径小于对应所述连接组件的转轴中设置有螺旋槽的部位的半径。
  5. 根据权利要求1至4中任一项所述的转轴连接机构，其特征在于，所述转轴连接机构还包括：
    升降块组件，所述升降块组件包括屏幕支撑升降块和对应两个所述转轴的两个偏心轮，其中，
    两个所述偏心轮分别与两个所述转轴的同一端固定连接，两个所述偏心轮与所述屏幕支撑升降块滑动连接，以使得每个所述转轴转动时，对应每个所述转轴的偏心轮围绕所述转轴转动以带动所述屏幕支撑升降块在所述第一方向上移动。
  6. 根据权利要求1至5中任一项所述的转轴连接机构，其特征在于，所述连接组件还包括：
    屏幕支撑翻板，所述屏幕支撑翻板的一端与对应所述连接组件的转轴的一端固定连 接，当所述转轴连接机构配置在设备上时，所述屏幕支撑翻板的另一端与所述设备的机壳中的倾斜移动滑道滑动连接，以使得在对应所述连接组件的转轴转动时所述屏幕支撑翻板在所述倾斜移动滑道内滑动。
  7. 根据权利要求6所述的转轴连接机构，其特征在于，所述转轴连接机构还包括套装在两个所述转轴外部的固定块，以及，
    所述连接组件中的屏幕支撑翻板的一端通过所述固定块与对应所述连接组件的转轴固定连接。
  8. 根据权利要求1至7中任一项所述的转轴连接机构，其特征在于，
    每个所述转轴对应的连接组件中的驱动片的斜槽的方向与每个所述转轴的螺旋槽的旋向相反；或者，
    每个所述转轴对应的连接组件中的驱动片的斜槽的方向与每个所述转轴的螺旋槽的旋向相同。
  9. 根据权利要求1至8中任一项所述的转轴连接机构，其特征在于，所述转轴连接机构还包括：
    阻尼片，在靠近两个所述转轴的端部的位置，所述阻尼片与两个所述转轴过盈配合。
  10. 根据权利要求1至9中任一项所述的转轴连接机构，其特征在于，所述转轴连接机构还包括：
    双轴固定块，在每个所述转轴的螺旋槽靠近所述转轴的端部的一侧，所述双轴固定块与两个所述转轴转动连接。
  11. 一种可折叠的设备，其特征在于，所述设备包括：
    可折叠的柔性屏幕；
    如权利要求1至10中任一项所述的至少一个转轴连接机构，每个所述转轴连接机构设置在所述柔性屏幕的下方，其中，每个所述转轴连接机构中的滑道块与所述设备的机壳连接。
  12. 根据权利要求11所述的设备，其特征在于，至少一个所述转轴连接机构包括两个所述转轴连接机构，分别设置在靠近所述设备的机壳在第一方向上的两个端部的位置，所述第一方向与每个所述转轴连接机构中的转轴的轴向方向平行。
PCT/CN2018/099132 2018-08-07 2018-08-07 转轴连接机构和可折叠的设备 WO2020029062A1 (zh)

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