WO2020147633A1 - 一种内折柔性屏移动终端铰链的同步机构 - Google Patents

一种内折柔性屏移动终端铰链的同步机构 Download PDF

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Publication number
WO2020147633A1
WO2020147633A1 PCT/CN2020/071045 CN2020071045W WO2020147633A1 WO 2020147633 A1 WO2020147633 A1 WO 2020147633A1 CN 2020071045 W CN2020071045 W CN 2020071045W WO 2020147633 A1 WO2020147633 A1 WO 2020147633A1
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WIPO (PCT)
Prior art keywords
gear
rotating bracket
bracket
hinge
mobile terminal
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PCT/CN2020/071045
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English (en)
French (fr)
Inventor
商小伟
Original Assignee
杭州安费诺飞凤通信部品有限公司
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Publication date
Application filed by 杭州安费诺飞凤通信部品有限公司 filed Critical 杭州安费诺飞凤通信部品有限公司
Priority to US17/423,354 priority Critical patent/US11856119B2/en
Priority to JP2021540443A priority patent/JP7221398B2/ja
Priority to KR1020217022004A priority patent/KR102483083B1/ko
Publication of WO2020147633A1 publication Critical patent/WO2020147633A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • 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
    • 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
    • G06F1/1615—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
    • 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
    • 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
    • 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

Definitions

  • the invention relates to a mobile terminal with an inward-folding flexible screen and a hinge thereof, in particular to a synchronization mechanism applied therein.
  • the flexible screen is an ideal screen, which can make the mobile terminal foldable when carried, and can be flattened to obtain a double display when in use, meeting the demand for large-screen display. Since the flexible screen is a continuous screen, it is often necessary to set a synchronization mechanism in the hinge to make the left and right mechanisms move in the opposite direction. However, the synchronization mechanism often limits the thickness of the flexible screen mobile terminal, which is not convenient for the thinning design of the flexible screen mobile terminal, and even affects the narrow frame design of the mobile terminal.
  • the technical problem to be solved by the present invention is to provide a synchronizing mechanism for the hinge of a mobile terminal with an in-folding flexible screen, which has a simple structure and can meet the needs of the mobile terminal with a flexible screen.
  • the present invention adopts the following technical solutions:
  • a synchronization mechanism for a hinge of a mobile terminal with an inward-folding flexible screen includes a left rotating bracket, a right rotating bracket, and a middle mounting bracket.
  • the left rotating bracket and the right rotating bracket are respectively installed through a rotating connection structure and a middle mounting frame.
  • the axis of the rotation connection of the left rotation bracket and the axis of the rotation connection of the right rotation bracket are not on the same line but parallel; characterized in that the synchronization mechanism includes a flat intermediate gear whose axis is aligned with the left The axis of the rotating bracket and the right rotating bracket are perpendicular, and the left rotating bracket and the right rotating bracket are connected to the intermediate gear by a gear or rack, so that the left rotating bracket and the right rotating bracket rotate in reverse synchronously, and the intermediate gear The position is lower than the top of the middle mounting frame.
  • the present invention may also adopt the following further technical solutions, or use a combination of these further technical solutions:
  • the left rotating bracket and the right rotating bracket are respectively connected with the intermediate gear through the left gear and the right gear, the axes of the left gear and the right gear are perpendicular to the axis of the intermediate gear, and the left gear and the right gear are respectively located on the left and right sides of the intermediate gear,
  • the axes of the left rotating bracket and the left gear do not coincide, and the axes of the right rotating bracket and the right gear do not coincide either.
  • Both ends of the gear shaft of the left gear and both ends of the gear shaft of the right gear are movably connected to the fixed bracket on the middle mounting frame; the left rotating bracket is connected by the left connecting rod and the left gear to rotate synchronously; The movable bracket is connected by the right connecting rod and the right gear to rotate synchronously.
  • One end of the left link is fixedly connected to the side of the gear shaft of the left gear that is close to the left rotation bracket, and the other end is connected to the left rotation bracket through the cooperation of the guide pin and the guide groove; one end of the right link is connected to the right gear
  • the side of the gear shaft close to the right rotating bracket is fixedly connected, and the other end is connected with the right rotating bracket through the cooperation of the guide pin and the guide groove.
  • the synchronization mechanism is also combined with a torsion mechanism.
  • the torsion mechanism includes a left reed pipe and a right reed pipe.
  • the left reed pipe and the right reed pipe are respectively clamped and connected to the gear shaft of the left gear and the gear shaft of the right gear.
  • the right reed pipe is connected as a whole from the middle mounting frame space at the bottom of the middle gear lying flat.
  • the synchronization mechanism is also combined with a torsion mechanism.
  • the torsion mechanism includes a left reed pipe and a right reed pipe; the side of the gear shaft of the left gear that is not connected to the left link is clamped and connected by the left reed pipe.
  • the side of the gear shaft of the gear that is not connected to the right connecting rod is clamped and connected by the right reed pipe, and the left reed pipe and the right reed pipe are connected as a whole from the middle mounting frame space at the bottom of the flat intermediate gear.
  • the left rotating bracket and the right rotating bracket are connected with the intermediate gear through a first rack and a second rack.
  • the first rack and the second rack are respectively located on the front and rear sides of the intermediate gear.
  • the first rack and the second rack are respectively connected to the off-axis parts of the left and right rotating brackets, and when the left and right rotating brackets rotate in opposite directions, the first and second racks
  • the two racks slide in opposite directions; the sliding guide rails of the first rack and the second rack are respectively arranged on the fixed brackets on the middle mounting frame.
  • the off-axis part of the left rotating bracket and the off-axis part of the right rotating bracket are respectively provided with connecting pins, and the first rack and the second rack are respectively provided with sliding grooves connected with the connecting pins.
  • the present invention can change the space occupied by the gear transmission structure in the hinge, and can also form a concave space for the bending part of the flexible screen, and the transmission reliability is good.
  • the invention is convenient to be arranged under the flexible screen, and is convenient for the thinning design and narrow frame design application of the flexible screen mobile terminal.
  • Figure 1 is an exploded view of an embodiment of the hinge of the present invention.
  • FIGS 2 and 3 are schematic diagrams of the hinge embodiment of the present invention when the mobile terminal is folded and when it is opened and flattened.
  • FIG. 4 is a demonstration diagram of state changes of the left and right rotating brackets of the hinge embodiment of the present invention when the mobile terminal is folded, opened, and unfolded.
  • Figure 5 is a schematic diagram of the hinge of the present invention adopting another synchronization mechanism and torsion mechanism when the mobile terminal is opened and flattened.
  • Fig. 6 is a schematic diagram of the hinge of the present invention adopting another embodiment of a synchronization mechanism and a torsion mechanism when the mobile terminal is folded.
  • Figure 7 is an exploded view of the hinge of the present invention when another synchronization mechanism and torsion mechanism are used.
  • Fig. 8 is a cross-sectional view of the mobile terminal where the left and right rotating brackets are located when the mobile terminal is opened and flattened.
  • the hinge of a mobile terminal with an inward-folding flexible screen provided by the present invention includes a left rotating bracket 1 and a right rotating bracket 2, a middle mounting bracket 3.
  • the left rotating bracket 1 and the right rotating bracket 2 are connected through a rotating connection structure and
  • the middle mounting frame 3 is connected, and the axis A1 of the rotation connection of the left rotation bracket 1 and the axis A2 of the rotation connection of the right rotation bracket 2 are not on the same line but parallel.
  • the middle mounting frame 3 may be a back shell with a certain strength in the middle of the hinge, in which a structure capable of connecting components is provided, or a skeleton structure with a shielding structure provided on its back side.
  • the intermediate mounting frame 3 can be provided with a synchronization mechanism, a torsion mechanism, a rotating connection mechanism, etc.
  • a plurality of rotating connection mechanisms can be installed on the middle mounting frame 3 to connect a plurality of pairs of left rotating bracket 1 and right rotating bracket 2 along its length.
  • the middle mounting frame 3 is provided with fixed brackets 310 and 320 for the left rotating bracket 1 and the right rotating bracket 2, respectively, and the fixed brackets 310 and 320 are respectively provided with arc-shaped rotating connecting rails 31, on both sides. 32;
  • the left rotating bracket 1 is provided with a rotating connecting block 11 and an external connecting portion 12 that are slidably connected with the arc-shaped rotating connecting rails 31 on both sides, and are located between them, and the right rotating bracket 2 is provided There are a rotating connecting block 21 and an external connecting portion 22 which are slidably connected with the arc-shaped rotating connecting rails 32 on both sides, and are located between them, so as to facilitate the formation of a space for the intermediate mounting frame.
  • the external connection parts 12 and 22 are respectively used to connect to components that rotate synchronously and in the same direction, such as the left side case 100 of the mobile terminal and the right side case 200 of the mobile terminal; the flexible screen left support plate 101 and the flexible screen right in the mobile terminal
  • the support plate 201 can be respectively connected to the casing on the same side and rotate in the same direction as the left rotating bracket 1 and the right rotating bracket 2, or directly connected to the external connection part of the left rotating bracket 1 and the right rotating bracket 2.
  • Other synchronously rotating parts in the hinge can also be connected to the external connection part, such as the rotating part of the torsion mechanism.
  • the rotating connection structure between the left rotating bracket 1 and the right rotating bracket 2 and the middle mounting frame may also be a link mechanism or the like.
  • the hinge is provided with a synchronization mechanism, and the left rotation bracket 1 and the right rotation bracket 2 are also connected with the synchronization mechanism, so that the left rotation bracket 1 and the right rotation bracket 2 rotate in reverse in synchronization.
  • the synchronization mechanism may adopt a meshing connection mechanism, which may be formed by connecting several gears or connecting gears and racks.
  • the synchronization mechanism includes a first rack 61 connected to the off-axis portion of the left rotating bracket 1 and a second rack 61 connected to the off-axis portion of the right rotating bracket 62.
  • a gear 63 is connected between the first rack and the second rack.
  • the gear frame and the cover plate of the gear 63 are arranged on the intermediate mounting frame 3.
  • the sliding guide rails 610 of the first rack 61 and the second rack 62, 620 can be respectively arranged on the fixed brackets 310 and 320.
  • the off-axis portion of the left rotating bracket 1 and the off-axis portion of the right rotating bracket can be provided with connecting pins 13, 23 respectively, and the first rack 61 and the second rack 62 are respectively provided with connecting pins 13, 23 Chute 64.
  • the synchronization mechanism is within the range covered by the flexible screen 300 when the mobile terminal is opened and flattened, which is helpful for the narrow frame design of the mobile terminal with the flexible screen folded inward.
  • the synchronization mechanism can be arranged in the middle mounting frame 3.
  • the gear 63 is laid flat, and its axis is perpendicular to the axes A1 and A2 of the left and right rotating brackets, which helps when it is set at the bottom of the flexible screen, provides a way out when the flexible screen is bent and satisfies the thinning design.
  • the positions of the racks 61 and 62 and the gears 63 laid down are lower than the top of the intermediate mounting frame 3.
  • the synchronization mechanism includes a flat intermediate gear 7, the axis of which is perpendicular to the axes A1, A2 of the left and right rotating brackets, and the left and right rotating brackets
  • the movable support is connected to the intermediate gear 7 through gears 71 and 72, and the position of the intermediate gear 7 is lower than the top of the intermediate mounting frame.
  • the axes of the gears 71, 72 and the intermediate gear 7 are located on the front and rear sides of the intermediate gear 7, so as to form a concave recession space where the flexible screen is bent just between them. It is conducive to the thinning design without hindering the effective transmission of the gear.
  • the left rotating bracket 1 is connected with the gear 71, but their axes do not coincide; the right rotating bracket 2 is connected with the gear 72, but their axes do not coincide.
  • Both ends of the gear shaft 710 of the gear 71 and both ends of the gear shaft 720 of the gear 72 are movably connected to the fixed brackets 310 and 320.
  • the left rotating bracket 1 is connected by a connecting rod 73 and a gear 71.
  • One end of the connecting rod is fixedly connected to the side of the gear shaft 710 close to the left rotating bracket, and the other end is connected to the left rotating bracket through a guide pin and a guide groove.
  • the left rotating bracket 1 is provided with a guide slot 14 and the connecting rod 73 is provided with a guide pin 730;
  • the right rotating bracket 2 is connected by a connecting rod 74 and a gear 72, and one end of the connecting rod 74 is close to the right rotation of the gear shaft 720
  • One side of the bracket is fixedly connected, and the other end is connected to the right rotating bracket 2 through the cooperation of a guide pin and a guide groove.
  • the right rotating bracket 2 is provided with a guide groove 24 and the connecting rod 74 is provided with a guide pin 740.
  • the hinge is provided with a first torsion mechanism that provides rotation resistance for the left rotation bracket, and a second torsion mechanism that provides rotation resistance for the right rotation bracket, so as to improve the operating feel, and can be further coordinated to stop rotation at any time and position at any time Function.
  • the first torsion mechanism and the second torsion mechanism are within the range covered by the flexible screen 300 when the mobile terminal is opened and flattened, and can be set on an intermediate mounting frame.
  • the first torsion mechanism includes a shaft 41, a rotating part 42, and a non-rotating part 43.
  • the non-rotating part 43 is pressed against the side of the rotating part 42 by a spring 44 to form a friction fit.
  • the first torsion mechanism The axis of rotation of the rotating component 42 and the axis A1 of the left rotating bracket are on the same straight line.
  • the second torsion mechanism includes a shaft 51, a rotating part 52 and a non-rotating part 53, the non-rotating part 53 is pressed against the side of the rotating part 52 by a spring 54 to form a friction fit.
  • the rotation of the rotating part 52 of the second torsion mechanism The axis and the axis A2 of the right rotating bracket are on the same straight line.
  • the intermediate mounting frame 3 is provided with a mounting frame 6 of the torsion mechanism, and the shafts 41, 51 are connected to the mounting frame 6 of the torsion mechanism. 53 is restricted by the anti-rotation structure and cannot rotate.
  • the rotating parts 42, 52 of the torsion structure are provided with external connection parts 45, 55 for connecting with the rotating bracket or the flexible screen support plate, so that it also works with the flexible screen support plate as a rotating bracket on each side Synchronize rotating parts in the same direction.
  • the non-rotating parts 43, 53 or the mounting frame 6 may be provided with a guiding structure for the rotation of the rotating part.
  • the synchronization mechanism implementation of FIGS. 5-7 it can be combined with a torsion mechanism.
  • the gear shaft 710 For the side of the gear shaft 710 that is not connected to the connecting rod 73, it can be connected to the reed tube 81 to function as the first torsion mechanism.
  • the gear shaft 720 For the side of the gear shaft 720 that is not connected to the connecting rod 74 This side can be connected with the reed tube 82 to serve as the second torsion mechanism, and the reed tube 81 of the first torsion mechanism and the reed tube 82 of the second torsion mechanism can be installed from the middle of the bottom of the intermediate gear 7 lying flat.
  • the shelf space is connected as a whole while keeping it from rotating.
  • the left rotating bracket 1 between the flexible screen 300 and the middle mounting frame 3 and the component rotating in the same direction as the left rotating bracket (the first torsion mechanism) The rotating part, the left flexible screen support plate 101), the right rotating bracket and the parts that rotate in the same direction synchronously with the right rotating bracket (the rotating part of the second torsion mechanism, the right flexible screen support plate 201) respectively rotate in opposite directions to On both sides, and the inner ends 102 and 202 of the left and right flexible screen support plates are also rotated into the middle mounting frame, and the middle groove area 30 of the middle mounting frame 3 provides the bending part of the flexible screen 300 Give way.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
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  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Telephone Set Structure (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

一种内折柔性屏移动终端铰链的同步机构，铰链包括左转动支架（1）、右转动支架（2）和中间安装架（3），左转动支架（1）、右转动支架（2）分别通过转动连接结构和中间安装架（3）连接，左转动支架（1）和右转动支架（2）的轴线不在同一条线上但平行；同步机构包括平放的中间齿轮（7），其轴线与左转动支架（1）和右转动支架（2）的轴线垂直，左转动支架（1）和右转动支架（2）通过齿轮（71、72）或齿条（61、62）和中间齿轮（7）连接，使左转动支架（1）和右转动支架（2）同步反向转动。

Description

一种内折柔性屏移动终端铰链的同步机构 技术领域
本发明涉及一种内折柔性屏移动终端及其铰链，尤其涉及应用其中的同步机构。
背景技术
对于移动终端，柔性屏是一种理想的屏幕，在携带时能使移动终端可折叠，使用时展平得到双倍显示，满足对大屏幕显示的需求。由于柔性屏为连续屏，往往需要在铰链中设置同步机构，使左侧机构和右侧机构同步反向运动。但同步机构往往限制柔性屏移动终端的厚度，不便于柔性屏移动终端的减薄设计，甚至影响移动终端的窄边框设计。
发明内容
本发明所要解决的技术问题是提供一种内折柔性屏移动终端铰链的同步机构，结构简单，能够满足柔性屏移动终端使用需要。为此，本发明采用以下技术方案：
一种内折柔性屏移动终端铰链的同步机构，所述铰链包括左转动支架和右转动支架、中间安装架，所述左转动支架和右转动支架分别通过转动连接结构和中间安装架连接，所述左转动支架的转动连接的轴线和右转动支架的转动连接的轴线不在同一条线上但平行；其特征在于所述同步机构包括平放的中间齿轮，其轴线与左转动支架和右转动支架的轴线垂直，左转动支架和右转动支架通过齿轮或齿条和所述中间齿轮连接，使左转动支架和右转动支架同步反向转动，中间齿轮的位置低于中间安装架的顶部。
在采用上述技术方案的基础上，本发明还可采用以下进一步的技术方案，或对这些进一步的技术方案组合使用：
所述左转动支架和右转动支架分别通过左齿轮和右齿轮与中间齿轮连接，左齿轮和右齿轮的轴线与中间齿轮的轴线垂直，左齿轮和右齿轮分别位于中间齿轮的左右侧，左转动支架与左齿轮的轴线不重合，右转动支架与右齿轮的轴线也不重合。
所述左齿轮的齿轮轴的两端和右齿轮的齿轮轴的两端均活动连接在中间安装架上的固定支架上；左转动支架通过左连杆和左齿轮连接而同步转动；右转动支架通过右连杆和右齿轮连接而同步转动。
左连杆的一端和左齿轮的齿轮轴的靠近左转动支架的这一侧固定连接，另一端通过导向销和导向槽的配合与左转动支架连接；右连杆的一端和右齿轮的齿轮轴的靠近右转动支架的这一侧固定连接，另一端通过导向销和导向槽的配合与右转动支架连接。
所述同步机构还结合扭力机构，所述扭力机构包括左簧管和右簧管，左簧管和右簧管分别和左齿轮的齿轮轴和右齿轮的齿轮轴夹紧连接，左簧管和右簧管从平放的中间齿轮底部的中间安装架空间进行连接为整体。
所述同步机构还结合扭力机构，所述扭力机构包括左簧管和右簧管；左齿轮的齿轮轴两侧中的不与左连杆连接的这一侧被左簧管夹紧连接，右齿轮的齿轮轴两侧中的不与右连杆连接的这一侧被右簧管夹紧连接，左簧管和右簧管从平放的中间齿轮底部的中间安装架空间进行连接为整体。
所述左转动支架和右转动支架通过第一齿条和第二齿条与中间齿轮连接。
所述第一齿条和第二齿条分别处在中间齿轮的前后侧。
所述第一齿条和第二齿条分别与左转动支架和右转动支架的偏离轴线部位连接，而在左转动支架和右转动支架反向转动时，第一齿条和第二齿条反向滑动；第一齿条和第二齿条的滑动导向轨分别设置在中间安装架上的固定支架上。
所述左转动支架的偏离轴线部位和右转动支架的偏离轴线部位分别设置连接销，第一齿条和第二齿条分别设置与连接销连接的滑槽。
由于采用本发明的技术方案，本发明能够改变铰链中有关齿轮传动的结构占用空间，还能形成对柔性屏弯曲部位的凹形让位空间，传动可靠性好。本发明便于设置在柔性屏下方，便于柔性屏移动终端的减薄设计和窄边框设计运用。
附图说明
图1为本发明铰链实施例的***图。
图2和图3分别为本发明铰链实施例在移动终端折拢时和打开展平时的示意图。
图4为本发明铰链实施例左转动支架和右转动支架在移动终端折拢时、打开过程中和展平时的状态变化演示图。
图5为本发明铰链采用另一种同步机构和扭力机构实施方式，在移动终端打开展平时的示意图。
图6为本发明铰链采用另一种同步机构和扭力机构实施方式，在移动终端折拢时的示意图。
图7为本发明铰链采用另一种同步机构和扭力机构时的***图。
图8为移动终端打开展平时，左转动支架和右转动支架所在处的移动终端剖视图。
具体实施方式
参照附图。本发明提供的内折柔性屏移动终端的铰链，包括左转动支架1和右转动支架2、中间安装架3，所述左转动支架1和右转动支架2分别通过转动连接结构和中间安装架3连接，所述左转动支架1的转动连接的轴线A1和右转动支架2的转动连接的轴线A2不在同一条线上但平行。
中间安装架3可以是具有一定强度的铰链中部的背部外壳，其中设置能够连接部件的结构，或者为骨架结构并在其背侧设置遮蔽结构。中间安装架3上能设置诸如同步机构、扭力机构、转动连接机构等。在中间安装架3上可安装多个转动连接机构，沿其长度方向连接多对左转动支架1和右转动支架2。
所述中间安装架3对于所述左转动支架1和右转动支架2分别设置有固定支架310、320，固定支架310、320分别设有处在两侧的圆弧形转动连接轨31、32；所述左转动支架1设有和两侧的圆弧形转动连接轨31相滑动连接配合的、处在它们之间的转动连接块11以及外接连接部12，右转动支架2设有和两侧的圆弧形转动连接轨32相滑动连接配合的、处在它们之间的转动连接块21以及外接连接部22，以利于中间安装架的让位空间的形成。外接连接部12、22分别用于和与其同步同向转动的部件连接，比如移动终端左侧机壳100和移动终端右侧机壳200；移动终端中的柔性屏左支撑板101和柔性屏右支撑板201可以分别连接到同侧的机壳上而和左转动支架1和右转动支架2同步同向转动，或者直接与左转动支架1和右转动支架2的外接连接部连接。铰链中的其它同步同向转动部件也可和外接连接部连接，比如扭力机构的转动部件。
所述左转动支架1和右转动支架2和中间安装架之间的转动连接结构也可以是连杆机构等。
所述铰链设置有同步机构，左转动支架1和右转动支架2还与同步机构连接，使左转动支架1和右转动支架2同步反向转动。所述同步机构可采用啮合连接机构，可以是若干个齿轮连接而成或齿轮和齿条连接而成。
在图1-4所示的实施例中，所述同步机构包括与左转动支架1的偏离轴线部位连接的第一齿条61和与右转动支架的偏离轴线部位连接的第二齿条62，第一齿条和第二齿条之间连接齿轮63，齿轮63的齿轮架、盖板设置在中间安装架3上，第一齿条61和第二齿条62的滑动导向轨610、620可分别设置在固定支架310、320上。
所述左转动支架1的偏离轴线部位和右转动支架的偏离轴线部位可分别设置连接销13、23，第一齿条61和第二齿条62分别设置与连接销13、23连接的滑槽64。
所述同步机构处在移动终端打开展平时柔性屏300覆盖的范围内，有助于内 折柔性屏移动终端的窄边框设计，所述同步机构可以设置在中间安装架3中。齿轮63平放，其轴线与左转动支架和右转动支架的轴线A1、A2垂直，有助于设置在柔性屏底部时，提供柔性屏弯曲时的让位同时满足减薄设计。齿条61、62和平放的齿轮63的位置低于中间安装架3的顶部。
在图5-7所示的实施例中，所述同步机构包括平放的中间齿轮7，其轴线与左转动支架和右转动支架的轴线A1、A2垂直，左转动支架和右转动支架通过齿轮71、72和所述中间齿轮7连接，中间齿轮7的位置低于中间安装架的顶部。
所述齿轮71、72的轴线与中间齿轮7，位于中间齿轮7的前后两侧，从而刚好在它们之间形成柔性屏弯曲的凹形让位空间。即有利于减薄设计又不妨碍齿轮的有效传动。
左转动支架1与所述齿轮71连接，但它们的轴线不重合；右转动支架2与所述齿轮72连接，但它们的轴线也不重合。
所述齿轮71的齿轮轴710的两端和齿轮72的齿轮轴720的两端均活动连接在固定支架310、320上。左转动支架1通过连杆73和齿轮71连接，连杆的一端和齿轮轴710的靠近左转动支架的这一侧固定连接，另一端通过导向销和导向槽的配合与左转动支架1连接，其中左转动支架1设置导向槽14，连杆73设置导向销730；右转动支架2通过连杆74和齿轮72连接，连杆74的一端和齿轮轴720的靠近右转动支架的这一侧固定连接，另一端通过导向销和导向槽的配合与右转动支架2连接，其中右转动支架2设置导向槽24，连杆74设置导向销740。
所述铰链对于左转动支架设置有提供转动阻力的第一扭力机构，对于右转动支架设置有提供转动阻力的第二扭力机构，以提高操作手感，还能进一步配合形成随时停止转动随时定位的功能。所述第一扭力机构和第二扭力机构处在移动终端打开展平时柔性屏300覆盖的范围内，可以设置中间安装架上。
参见图1-4，所述第一扭力机构包括轴41、转动部件42和不转部件43，所述不转部件43被弹簧44压紧在转动部件42侧面而形成摩擦配合，第一扭力机 构的转动部件42的转动轴线和左转动支架的轴线A1在同一直线上。
所述第二扭力机构包括轴51、转动部件52和不转部件53，所述不转部件53被弹簧54压紧在转动部件52侧面而形成摩擦配合，第二扭力机构的转动部件52的转动轴线和右转动支架的轴线A2在同一直线上。
所述中间安装架3上设置扭力机构的安装架6，所述轴41、51和扭力机构的安装架6连接，弹簧44、弹簧54分别和套在轴41、51上，不转部件43、53被防转结构限制而不能转动。
所述扭力结构的转动部件42、52设置有外接连接部45、55，用于和转动支架或柔性屏支撑板连接，而使得其也和柔性屏支撑板一起，作为与各自一侧的转动支架同步同向转动部件。不转部件43、53上或安装架6可设置所述转动部件转动的导向结构。
对于图5-7的同步机构实施方式，其可以结合扭力机构。对于齿轮轴710两侧中的不与连杆73连接的这一侧，正好能够和簧管81连接起到第一扭力机构的作用，对于齿轮轴720两侧中的不与连杆74连接的这一侧，正好能够和簧管82连接起到第二扭力机构的作用，而第一扭力机构的簧管81和第二扭力机构的簧管82可以从平放的中间齿轮7底部的中间安装架空间进行连接为整体而保持其不发生转动。
在所述移动终端进入到折拢状态时，处在柔性屏300和中间安装架3之间的所述左转动支架1及与左转动支架同步同向转动的部件(第一扭力机构的转动部件、左柔性屏支撑板101)和所述右转动支架及与右转动支架同步同向转动的部件(第二扭力机构的转动部件、右柔性屏支撑板201)分别反向转动至两侧，并且，左柔性屏支撑板和右柔性屏支撑板的内侧端102、202也转动至中间安装架内，而由中间安装架3的中间凹槽部区域30提供柔性屏300弯曲部位的让位。
以上所述仅为本发明的具体实施例，但本发明的结构特征并不局限于此，任何本领域的技术人员在本发明的领域内，所作的变化或修饰皆涵盖在本发明的保 护范围之中。

Claims (10)

  1. 一种内折柔性屏移动终端铰链的同步机构，所述铰链包括左转动支架和右转动支架、中间安装架，所述左转动支架和右转动支架分别通过转动连接结构和中间安装架连接，所述左转动支架的转动连接的轴线和右转动支架的转动连接的轴线不在同一条线上但平行；其特征在于所述同步机构包括平放的中间齿轮，其轴线与左转动支架和右转动支架的轴线垂直，左转动支架和右转动支架通过齿轮或齿条和所述中间齿轮连接，使左转动支架和右转动支架同步反向转动，中间齿轮的位置低于中间安装架的顶部。
  2. 如权利要求1所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于所述左转动支架和右转动支架分别通过左齿轮和右齿轮与中间齿轮连接，左齿轮和右齿轮的轴线与中间齿轮的轴线垂直，左齿轮和右齿轮分别位于中间齿轮的左右侧，左转动支架与左齿轮的轴线不重合，右转动支架与右齿轮的轴线也不重合。
  3. 如权利要求2所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于所述左齿轮的齿轮轴的两端和右齿轮的齿轮轴的两端均活动连接在中间安装架上的固定支架上；左转动支架通过左连杆和左齿轮连接而同步转动；右转动支架通过右连杆和右齿轮连接而同步转动。
  4. 如权利要求3所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于左连杆的一端和左齿轮的齿轮轴的靠近左转动支架的这一侧固定连接，另一端通过导向销和导向槽的配合与左转动支架连接；右连杆的一端和右齿轮的齿轮轴的靠近右转动支架的这一侧固定连接，另一端通过导向销和导向槽的配合与右转动支架连接。
  5. 如权利要求2所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于所述同步机构还结合扭力机构，所述扭力机构包括左簧管和右簧管，左簧管和右簧管分别和左齿轮的齿轮轴和右齿轮的齿轮轴夹紧连接，左簧管和右簧管从 平放的中间齿轮底部的中间安装架空间进行连接为整体。
  6. 如权利要求4所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于所述同步机构还结合扭力机构，所述扭力机构包括左簧管和右簧管；
    左齿轮的齿轮轴两侧中的不与左连杆连接的这一侧被左簧管夹紧连接，右齿轮的齿轮轴两侧中的不与右连杆连接的这一侧被右簧管夹紧连接，左簧管和右簧管从平放的中间齿轮底部的中间安装架空间进行连接为整体。
  7. 如权利要求1所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于所述左转动支架和右转动支架通过第一齿条和第二齿条与中间齿轮连接。
  8. 如权利要求7所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于所述第一齿条和第二齿条分别处在中间齿轮的前后侧。
  9. 如权利要求7所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于所述第一齿条和第二齿条分别与左转动支架和右转动支架的偏离轴线部位连接，而在左转动支架和右转动支架反向转动时，第一齿条和第二齿条反向滑动；第一齿条和第二齿条的滑动导向轨分别设置在中间安装架上的固定支架上。
  10. 如权利要求9所述的一种内折柔性屏移动终端铰链的同步机构，其特征在于所述左转动支架的偏离轴线部位和右转动支架的偏离轴线部位分别设置连接销，第一齿条和第二齿条分别设置与连接销连接的滑槽。
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