WO2019134696A1 - 一种内折柔性屏移动终端铰链及内折柔性屏移动终端 - Google Patents

一种内折柔性屏移动终端铰链及内折柔性屏移动终端 Download PDF

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Publication number
WO2019134696A1
WO2019134696A1 PCT/CN2019/070604 CN2019070604W WO2019134696A1 WO 2019134696 A1 WO2019134696 A1 WO 2019134696A1 CN 2019070604 W CN2019070604 W CN 2019070604W WO 2019134696 A1 WO2019134696 A1 WO 2019134696A1
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WIPO (PCT)
Prior art keywords
support plate
flexible screen
support frame
left support
right support
Prior art date
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PCT/CN2019/070604
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English (en)
French (fr)
Inventor
程冠伦
Original Assignee
杭州安费诺飞凤通信部品有限公司
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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 US16/960,255 priority Critical patent/US11223710B2/en
Publication of WO2019134696A1 publication Critical patent/WO2019134696A1/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
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • 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
    • 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 and a hinge thereof
  • the flexible screen is an emerging screen.
  • What needs to be solved now is how to support the flexible screen to adapt to the flexible bending screen when the mobile terminal is closed, so that the flexible screen can be applied to the mobile terminal.
  • the first technical problem to be solved by the present invention is to provide a hinge for a flexible screen mobile terminal in an inner fold, which has a simple structure and can be used as a hinge of a mobile terminal with a flexible screen on the inner side.
  • the present invention adopts the following technical solutions:
  • An inner fold flexible screen mobile terminal hinge characterized in that it comprises a middle U-shaped outer cover, a left support frame, a right support frame, a left support frame, a right support frame and a U-shaped cover rotating connection; in the left support frame and the right support frame And a flexible screen support plate that is folded and unfolded on the U-shaped outer cover, the flexible screen support plate being on the inner side of the hinge to provide support for the flexible screen and to be in a folded state when the hinge is in an open flattened state Providing a space for accommodating a curved portion of the flexible screen;
  • the flexible screen support plate is composed of a rotatable first left support plate, a second left support plate, a first right support plate and a second right support plate; an inner end of the first left support plate and a second left support plate
  • the outer end is rotatably connected, and the rotating shaft is connected to the upper left side of the U-shaped outer cover;
  • the inner end of the first right supporting plate is rotatably connected with the outer end of the second right supporting plate, and the rotating shaft is connected with the upper right side of the U-shaped outer cover;
  • the first left The outer end of the support plate, the inner end of the second left support plate, the outer end of the first right support plate, and the inner end of the second right support plate are all free ends, and the second left support plate and the second right support plate are at the U Rotating in the space provided by the outer cover, the outer end of the first left support plate and the outer end of the first right support plate are movably connected with the left support frame and the right support frame, respectively, and the movable guide is
  • the first left support plate and the second left support plate are movably connected with their rotating shafts, and the first left support plate is provided with a lever short arm with a rotating shaft as a fulcrum and a second left supporting plate, and a first right supporting plate and The second right support plates are movably connected to their rotating shafts, and the first right support plates are provided with a lever pivoting with a rotating shaft as a fulcrum and a lever short arm supporting the second right supporting plate.
  • the inner ends of the left support frame and the right support frame are respectively connected to the synchronization mechanism, so that the left support frame and the right support frame can be synchronously reversely rotated.
  • the guiding mechanism is a guiding groove disposed on the left support frame and the right support frame, and a guide pin or a guide shaft on the first left support plate, the first right support plate, and the left support frame and the right support
  • the guide grooves on the frame are symmetrically arranged.
  • the end of the U-shaped outer cover is provided with a mounting cavity, and the synchronization mechanism is installed in the mounting cavity.
  • Another technical problem to be solved by the present invention is to provide an inwardly folded flexible screen mobile terminal using the above hinge.
  • the present invention adopts the following technical solutions:
  • An inwardly folded flexible screen mobile terminal characterized in that the mobile terminal is provided with any one of the above-mentioned hinges, and the flexible screen is laid on the inner side of the hinge.
  • the present invention has a simple structure, can make the hinge body not exposed when the hinge is closed, and provides a space for accommodating the curved portion of the flexible screen, and the operation is very easy.
  • the hinge of the present invention can be used as both a hinge and a flexible screen support structure, and the flexible screen can be opened when the mobile phone and the computer are opened and closed. Freely expand and bend, so that the flexible screen can be used in mobile terminals such as mobile phones, e-books, computers, etc., so that the mobile terminal can realize large-screen display in a small volume.
  • FIG. 1 is a schematic view of a hinge embodiment of the present invention in a folded state.
  • Figure 2 is a schematic view of the embodiment of the hinge of the present invention in an open flattened state.
  • FIG. 3 is a schematic diagram of an embodiment of a mobile terminal according to the present invention in a folded state.
  • FIG. 4 is a schematic diagram of an embodiment of a mobile terminal according to the present invention in an open flat state.
  • Figure 5 is a cross-sectional view of the embodiment of the hinge of the present invention in a folded state, showing the flexible screen support panel folded to provide space for receiving the curved portion of the flexible screen.
  • Figure 6 is a cross-sectional view showing the embodiment of the hinge of the present invention in an open flat state, showing a state in which the flexible screen support plate is flattened.
  • Figure 7 is a cross-sectional view of the hinge embodiment of the present invention in a folded state, showing the mating relationship of the torsion mechanism in this state.
  • Figure 8 is a cross-sectional view of the hinge embodiment of the present invention in an open flattened state, showing the mating relationship of the torsion mechanism in this state.
  • Figure 9 is a cross-sectional view showing the embodiment of the mobile terminal of the present invention in the state of Figure 7.
  • Figure 10 is a cross-sectional view showing the embodiment of the mobile terminal of the present invention in the state of Figure 7.
  • Figures 11, 12, and 13 are respectively a cross-sectional view of the hinge embodiment of the present invention in a folded state, in an intermediate state, and in an open flat state, showing a state change of the flexible screen support plate.
  • Figure 14 is an exploded view of an embodiment of the hinge of the present invention.
  • Figures 15 and 16 are schematic views of another embodiment of a left support frame and a right support frame, respectively.
  • 17 is a schematic view showing an embodiment in which a torsion spring is attached to the second left support plate and the second right support plate.
  • FIGS. 18 and 19 are cross-sectional views showing the state of the flexible screen support plate in the folded state and the flattened state in the case where the hinge spring of the present invention is attached with a torsion spring, respectively.
  • the semi-automatic inflection flexible screen mobile terminal hinge provided by the invention comprises a middle U-shaped outer cover 3, a left support frame 1, and a right support frame 2.
  • the left support frame 1 and the right support frame 2 each include a connecting arm 10, 20, and are rotatably connected by the connecting arms 10, 20 and the U-shaped outer cover 3, as shown in Figs.
  • the left support frame 1 and the connecting arm 10, the right support frame 2 and the connecting arm 20 can be an integral component; the flexible support can be folded and unfolded on the left support frame 1, the right support frame 2 and the U-shaped cover 3
  • the flexible screen support plate is located on the inner side of the hinge to provide support for the flexible screen 300 when the hinge is in an open flattened state and to provide a space 301 for receiving the flexible portion of the flexible screen when the hinge is in a folded state.
  • the flexible screen support plate is composed of a rotatable first left support plate 51, a second left support plate 52, a first right support plate 61, and a second right support plate 62; the inner end of the first left support plate 51 and the first The outer ends of the two left support plates 52 are rotatably connected, and the rotating shaft 50 is connected to the upper left side of the U-shaped outer cover 3; the inner end of the first right supporting plate 61 and the outer end of the second right supporting plate 62 are rotatably connected, and the rotating shaft 60 and The upper right side of the U-shaped outer cover 3 is connected; the outer end of the first left support plate 51, the inner end of the second left support plate 52, the outer end of the first right support plate 61, and the inner end of the second right support plate 62 are both The free end, the second left support plate 52 and the second right support plate 62 are rotated in the space 30 provided by the U-shaped outer cover 3 by the rotation shafts 50, 60, respectively, and the outer ends of the first left support plate 51 and
  • the guiding mechanism is a guiding groove 12, 22 disposed on the left support frame 1 and the right support frame 2, and guide pins or guide shafts 510, 610 at the first left support plate 51, the first right support plate 61, and
  • the guide grooves 12, 22 on the left support frame 1 and the right support frame 2 are symmetrically arranged.
  • the first left support plate 51 and the second left support plate 52 are movably connected to their rotating shafts 50.
  • the first left support plate 51 is provided with a lever arm 511 as a fulcrum and a lever short arm 511 supporting the second left support plate 52.
  • the first right support plate 61 and the second right support plate 62 are movably connected to their rotating shafts 60.
  • the first right support plate 61 is provided with a lever that pivots on the rotating shaft 60 and a lever short arm that supports the second right supporting plate 52. 611.
  • torsion springs 53, 63 may be disposed on the rotating shafts 50, 60.
  • One end of the torsion spring abuts against the U-shaped outer cover 3, and the other end and the second left supporting plate 52 and the second.
  • the right support plate 62 is connected. When the second left support plate 52 and the second right support plate 62 lose the support of the short arms 511 and 611, the second left support plate 52 and the second right support plate 62 are fastened.
  • the bottom of the U-shaped outer cover 3 is rotated to increase the sensitivity of the work, and the space 301 is quickly formed.
  • the first left support plate 51 and the first right support plate 61 can be rotated about the rotation axes 50 and 60, and at the same time, the left support frame 1 and the right support frame 2 are rotated above the U-shaped cover 3,
  • the rotating shaft 50 is located on the upper left side of the U-shaped outer cover 3
  • the rotating shaft 60 is located on the upper right side of the U-shaped outer cover 3, so that the distance between the first left supporting plate 51 and the first right supporting plate 61 is enlarged, and the second left support The plate 52 and the second right support plate 62 automatically rotate after losing support, thereby providing a larger space 301.
  • the second left support plate 52 and the second right support plate 62 are supported as the short arms 511, 611, the operation of opening the flattening is very easy.
  • the inner ends of the left support frame 1 and the right support frame 2, that is, the connecting arms 10, 20 are respectively connected to the synchronizing mechanism, so that the left support frame 1 and the right support frame 2 can be synchronously reversely rotated.
  • the synchronizing mechanism may employ a gear mechanism that may include gears 71, 72, 73, 74 that are sequentially engaged. The parameters of the gear can be either symmetrical or asymmetrical depending on the design requirements of the hinge opening action. Gear 71 and gear 74 are coupled to connecting arms 10, 20, respectively.
  • the end of the U-shaped outer cover 3 is provided with a mounting cavity 31, and the synchronizing mechanism is mounted in the mounting cavity 31.
  • a torsion mechanism is disposed between the left support frame 1 and the U-shaped outer cover 3, between the right support frame 2 and the U-shaped outer cover 3, and provides a semi-automatic opening and folding function of the hinge. That is, manual operation is required at the beginning of the opening or folding operation. At this time, the spring in the torsion mechanism is compressed and stored, and when it is opened or folded to a certain angle, the spring is changed from the stored energy to the released energy when the critical state is opened or folded. And automatically open or fold.
  • the torsion mechanism includes a rotating torsion bar 41, a sliding member 42 and a spring 43.
  • One end of the torsion bar 41 is rotatably connected with the U-shaped outer cover 3, the other end is rotatably connected with the sliding member 42, and the sliding member 42 is at the left supporting frame. 1 or a sliding connection between the holes 11, 21 of the right support frame 2 and the left support frame 1 or the right support frame 2, between the slider 42 and the left support frame 1, between the slider 42 and the right support frame 2
  • the spring 43, the torsion bar 41 is inclined at the hinge in the open and flattened state and in the folded state, and the slider 42 passes when transitioning from one inclined state to the other.
  • the torsion bar is oriented when the hinge is opened and flattened. Tilting away from the direction of the flexible screen (a state state), the torsion bar is switched to tilt toward the flexible screen (another tilted state) during the movement of the hinge state from the open flattened state to the folded state.
  • the mobile terminal to which the above hinge is applied taking the mobile phone as an example, the flexible screen 300 is laid on the inner side of the hinge and the inner side of the left main support plate 100 and the right main support plate 200 of the flexible screen, the left support frame 1 and The right support frame 2 may be integrated with the left main support plate 100 and the right main support plate 200 of the flexible screen of the mobile terminal, respectively, or separately as separate components.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Telephone Set Structure (AREA)

Abstract

本发明提供了一种内折柔性屏移动终端铰链，包括中部U形外罩，左支撑架、右支撑架，左支撑架、右支撑架和U形外罩转动连接；在左支撑架、右支撑架和U形外罩上连接可折和展开的柔性屏支撑板，所述柔性屏支撑板处在铰链的内侧；所述柔性屏支撑板由可转动的第一左支撑板、第二左支撑板、第一右支撑板、第二右支撑板组成；第一左支撑板设置有以转轴为支点的扳动和支撑第二左支撑板的杠杆短臂，第一右支撑板设置有以转轴为支点的扳动和支撑第二右支撑板的杠杆短臂。本发明还提供一种利用上述铰链的内折柔性屏移动终端。本发明结构简单，能使得铰链在合拢后其中部机构不外露并提供容纳柔性屏弯曲部分的空间，且操作非常轻松。

Description

一种内折柔性屏移动终端铰链及内折柔性屏移动终端 技术领域
本发明涉及移动终端及其铰链
背景技术
柔性屏是一种新兴的屏幕。对于柔性屏移动终端的机械结构来说，目前需要解决的是如何对柔性屏实施支撑以适应在移动终端合拢时柔性屏需要一定的弯曲特点的，使柔性屏能够应用于移动终端。
发明内容
本发明首先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，结构简单，能够作为柔性屏处在内侧的移动终端的铰链。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，其特征在于它包括中部U形外罩，左支撑架、右支撑架，左支撑架、右支撑架和U形外罩转动连接；在左支撑架、右支撑架和U形外罩上连接可折和展开的柔性屏支撑板，所述柔性屏支撑板处在铰链的内侧，以在铰链处于打开展平状态时提供对柔性屏的支撑和在铰链处于折拢状态下提供收纳柔性屏弯曲部位的空间；
所述柔性屏支撑板由可转动的第一左支撑板、第二左支撑板、第一右支撑板、第二右支撑板组成；第一左支撑板的内端和第二左支撑板的外端转动连接，其转轴和U形外罩的左上侧连接；第一右支撑板的内端和第二右支撑板的外端转动连接，其转轴和U形外罩的右上侧连接；第一左支撑板的外端、第二左支撑板的内端、第一右支撑板的外端、第二右支撑板的内端均为自由端，第二左支撑板和第二右支撑板在U形外罩提供的空间中转动，所述第一左支撑板的外端和第一右支撑板的外端分别和左支撑架、右支撑架活动连接，并在它们之间设置所述活动的导向机构；
第一左支撑板及第二左支撑板与它们的转轴活动连接，第一左支撑板设置有以转轴为支点的扳动和支撑第二左支撑板的杠杆短臂，第一右支撑板及第二右支撑板与它们的转轴活动连接，第一右支撑板设置有以转轴为支点的扳动和支撑第二右支撑板的杠杆短臂。
进一步地，左支撑架和右支撑架的内侧端分别与同步机构连接，使得左支撑架和右支撑架能同步反向转动。
进一步地，所述导向机构为设置在左支撑架和右支撑架上的导向槽以及处在第一左支撑板、第一右支撑板上的导向销或导向轴，且左支撑架和右支撑架上的导向槽对称设置。
进一步地，所述U形外罩的端部设置安装腔，同步机构安装在安装腔中。
本发明另一个所要解决的技术问题是提供一种利用上述铰链的内折柔性屏移动终端。为此，本发明采用以下技术方案：
一种内折柔性屏移动终端，其特征在于所述移动终端中设置有上述的任意一种铰链，所述柔性屏铺设在所述铰链的内侧。
由于采用本发明的技术方案，本发明结构简单，能使得铰链在合拢后其中部机构不外露并提供容纳柔性屏弯曲部分的空间，且操作非常轻松。本发明铰链在应用于手机、电子书、脑等移动终端中时，既能作为其中的铰链之用，又能作为其中的柔性屏支撑结构，在手机、电脑打开和合拢时，使柔性屏得以自如展开和弯曲，使柔性屏能够运用于手机、电子书、电脑等移动终端中，使移动终端能在小体积中实现大屏幕显示。
附图说明
图1为本发明铰链实施例在折拢状态下的示意图。
图2为本发明铰链实施例在打开展平状态下的示意图。
图3为本发明移动终端实施例在折拢状态下的示意图。
图4为本发明移动终端实施例在打开展平状态下的示意图。
图5为本发明铰链实施例在折拢状态下的剖视图之一，显示了柔性屏支撑板折拢而提供容纳柔性屏弯曲部分的空间。
图6为本发明铰链实施例在打开展平状态下的剖视图之一，显示了柔性屏支撑板打开展平时的状态。
图7为本发明铰链实施例在折拢状态下的剖视图之二，显示了扭力机构在此状态下的配合关系。
图8为本发明铰链实施例在打开展平状态下的剖视图之二，显示了扭力机构在此状态下的配合关系。
图9为本发明移动终端实施例在图7状态下的剖视图。
图10为本发明移动终端实施例在图7状态下的剖视图。
图11、12、13分别为本发明铰链实施例在折拢状态下、中间状态下、打开展平状态下的剖视图之三，显示了柔性屏支撑板的状态变化。
图14为本发明铰链实施例的爆炸图。
图15、16分别为左支撑架和右支撑架的另一种实施方式的示意图。
图17为第二左支撑板和第二右支撑板加装扭簧的实施方式示意图。
图18、19分别为本发明铰链实施例在加装扭簧的情况下在折拢状态下、打开展平状态下的剖视图，显示了柔性屏支撑板的状态变化。
具体实施方式
参照附图。本发明所提供的半自动内折柔性屏移动终端铰链，包括中部U形外罩3，左支撑架1、右支撑架2。如图1、2、14所示，左支撑架1、右支撑架2均包括有连接臂10、20，并通过连接臂10、20和U形外罩3转动连接，如图15、16所示，左支撑架1和连接臂10、右支撑架2和连接臂20均可为一体的部件；在左支撑架1、右支撑架2和U形外罩3上连接可折和展开的柔性屏支撑板，所述柔性屏支撑板处在铰链的内侧，在铰链处于打开展平状态时提供对柔性屏300的支撑和在铰链处于折拢状态下提供收纳柔性屏弯曲部位的空间301。
所述柔性屏支撑板由可转动的第一左支撑板51、第二左支撑板52、第一右支撑板61、第二右支撑板62组成；第一左支撑板51的内端和第二左支撑板52的外端转动连接，其转轴50和U形外罩3的左上侧连接；第一右支撑板61的内端和第二右支撑板62的外端转动连接，其转轴60和U形外罩3的右上侧连接；第一左支撑板51的外端、第二左支撑板52的内端、第一右支撑板61的外端、第二右支撑板62的内端均为自由端，第二左支撑板52和第二右支撑板62在U形外罩3提供的空间30中分别以转轴50、60为轴转动，所述第一左支撑板51的外端和第一右支撑板61的外端分别和左支撑架1、右支撑架2活动连接，并在它们之间设置所述活动的导向机构。所述导向机构为设置在左支撑架1和右支撑架2上的导向槽12、22以及处在第一左支撑板51、第一右支撑板61的导向销或导向轴510、610，且左支撑架1和右支撑架2上的导向槽12、22对称设置。
第一左支撑板51及第二左支撑板52与它们的转轴50活动连接，第一左支撑板51设置有以转轴50为支点的扳动和支撑第二左支撑板52的杠杆短臂511，第一右支撑板61及第二右支撑板62与它们的转轴60活动连接，第一右支撑板61设置有以转轴60为支点的扳动和支撑第二右支撑板52的杠杆短臂611。
如图17、18、19所示，所述转轴50、60上还可设置扭簧53、63，扭簧的一端抵靠U形外罩3上，另一端与第二左支撑板52和第二右支撑板62连接，在第二左支撑板52和第二右支撑板62失去短臂511、611支撑时，起到助力作用，使第二左支撑板52和第二右支撑板62快速向U形外罩3底部转动，而提高工作的灵敏度，快速形成所述空间301。
在铰链折拢过程中，第一左支撑板51和第一右支撑板61能以转轴50和60为轴转动，同时，左支撑架1和右支撑架2转至U形外罩3的上方，而转轴50处在U形外罩3的左上侧，转轴60处在U形外罩3的右上侧，从而第一左支撑板51和第一右支撑板61之间的间距扩大，而第二左支撑板52和第二右支撑板62失去支撑后自动转动，从而提供较大的空间301。而在铰链打开展平过程中，由于支撑第二左支撑板52和第二右支撑板62的为短臂511、611，因此打开展平的操作会非常轻松。
左支撑架1和右支撑架2的内侧端也即连接臂10、20分别与同步机构连接，使得左支撑架1和右支撑架2能同步反向转动。所述同步机构可采用齿轮机构，所述齿轮机构可包括依次啮合的齿轮71、72、73、74。齿轮的参数根据铰链打开的动作设计要求，可采用对称式或不对称式。齿轮71和齿轮74分别和连接臂10、20连接。所述U形外罩3的端部设置安装腔31，同步机构安装在安装腔31中。
所述左支撑架1和U形外罩3之间、右支撑架2和U形外罩3之间设置有扭力机构，提供铰链的半自动打开和折拢功能。即在打开或折拢操作的开始阶段需要手动操作，此时，扭力机构中的弹簧被压缩而蓄能，在打开或折拢到一定角度时，经过临界状态，弹簧由蓄能转为释能而自动打开或折拢。
所述扭力机构包括转动的扭力杆41、滑动件42和弹簧43，所述扭力杆41的一端和U形外罩3转动连接，另一端和滑动件42转动连接，滑动件42处在左支撑架1或右支撑架2的孔11、21中并和左支撑架1或右支撑架2的滑动连接，在滑动件42和左支撑架1之间， 滑动件42和右支撑架2之间设置所述弹簧43，所述扭力杆41在铰链处在打开展展平状态下及折拢状态下均呈倾斜状态，且在从一个倾斜状态转换到另一个倾斜状态时，所述滑动件42经过其向着压缩弹簧方向的运动极限位，使所述弹簧经过临界状态，铰链工作从手动转为自动(弹簧驱动)，如图所示，在铰链打开展展平状态下，所述扭力杆是向着远离柔性屏的方向倾斜(一个状态状态)，在铰链状态从打开展平状态向折拢状态运动过程中，所述扭力杆会转换到向着柔性屏方向倾斜(另一个倾斜状态)。
应用上述铰链的移动终端，以手机为例，所述柔性屏300铺设在所述铰链的内侧及柔性屏左侧主支撑板100和右侧主支撑板200的内侧，所述左支撑架1和右支撑架2可以分别和移动终端的柔性屏左侧主支撑板100和右侧主支撑板200一体或分别为单独的部件并固定为一体。
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 (5)

  1. 一种内折柔性屏移动终端铰链，其特征在于它包括中部U形外罩，左支撑架、右支撑架，左支撑架、右支撑架和U形外罩转动连接；在左支撑架、右支撑架和U形外罩上连接可折和展开的柔性屏支撑板，所述柔性屏支撑板处在铰链的内侧，以在铰链处于打开展平状态时提供对柔性屏的支撑和在铰链处于折拢状态下提供收纳柔性屏弯曲部位的空间；
    所述柔性屏支撑板由可转动的第一左支撑板、第二左支撑板、第一右支撑板、第二右支撑板组成；第一左支撑板的内端和第二左支撑板的外端转动连接，其转轴和U形外罩的左上侧连接；第一右支撑板的内端和第二右支撑板的外端转动连接，其转轴和U形外罩的右上侧连接；第一左支撑板的外端、第二左支撑板的内端、第一右支撑板的外端、第二右支撑板的内端均为自由端，第二左支撑板和第二右支撑板在U形外罩提供的空间中转动，所述第一左支撑板的外端和第一右支撑板的外端分别和左支撑架、右支撑架活动连接，并在它们之间设置所述活动的导向机构；
    第一左支撑板及第二左支撑板与它们的转轴活动连接，第一左支撑板设置有以转轴为支点的扳动和支撑第二左支撑板的杠杆短臂，第一右支撑板及第二右支撑板与它们的转轴活动连接，第一右支撑板设置有以转轴为支点的扳动和支撑第二右支撑板的杠杆短臂。
  2. 如权利要求1所述的一种内折柔性屏移动终端铰链，其特征在于左支撑架和右支撑架的内侧端分别与同步机构连接，使得左支撑架和右支撑架能同步反向转动。
  3. 如权利要求1所述的一种内折柔性屏移动终端铰链，其特征在于所述导向机构为设置在左支撑架和右支撑架上的导向槽以及处在第一左支撑板、第一右支撑板上的导向销或导向轴，且左支撑架和右支撑架上的导向槽对称设置。
  4. 如权利要求2所述的一种内折柔性屏移动终端铰链，其特征在于所述U形外罩的端部设置安装腔，同步机构安装在安装腔中。
  5. 一种内折柔性屏移动终端，其特征在于所述移动终端中设置有权利要求1、2、3或4所述的任意一种铰链，所述柔性屏铺设在所述铰链的内侧。
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