WO2019149238A1 - 一种内折柔性屏移动终端的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的铰链及内折柔性屏移动终端 Download PDF

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Publication number
WO2019149238A1
WO2019149238A1 PCT/CN2019/074081 CN2019074081W WO2019149238A1 WO 2019149238 A1 WO2019149238 A1 WO 2019149238A1 CN 2019074081 W CN2019074081 W CN 2019074081W WO 2019149238 A1 WO2019149238 A1 WO 2019149238A1
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WO
WIPO (PCT)
Prior art keywords
support plate
hinge
support frame
flexible screen
right support
Prior art date
Application number
PCT/CN2019/074081
Other languages
English (en)
French (fr)
Inventor
刘小杰
诸彩琴
Original Assignee
杭州安费诺飞凤通信部品有限公司
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 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 JP2020540773A priority Critical patent/JP6953104B2/ja
Priority to KR1020207018675A priority patent/KR102311042B1/ko
Priority to US16/965,846 priority patent/US11032402B2/en
Publication of WO2019149238A1 publication Critical patent/WO2019149238A1/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
    • 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
    • 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

Definitions

  • the present invention relates to a mobile terminal and its hinge.
  • 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 technical problem to be solved by the present invention is to provide a hinge for a flexible screen mobile terminal, which can be used as a hinge of a mobile terminal with a flexible screen on the inner side, and can quickly form a space for bending the flexible screen when folded, avoiding The flexible screen is hurt.
  • the present invention adopts the following technical solutions:
  • a hinge for an inner folding flexible screen mobile terminal characterized in that it comprises a left support plate, an intermediate support plate, a right support plate, a left support frame, a right support frame, and a central U-shaped outer cover;
  • the inner ends of the left support frame and the right support frame are connected with the synchronization mechanism, so that the left support frame and the right support frame can rotate in opposite directions;
  • the intermediate support plate is a liftable plate, the position of which corresponds to the central U-shaped outer cover, the intermediate support plate descends and descends into the bottom of the central U-shaped outer cover; the intermediate support plate is not connected with the left support plate and the right support plate, a left guiding drive mechanism and a right guiding drive mechanism are respectively disposed between the left support frame and the intermediate support plate, and between the right support frame and the intermediate support plate, and the left support frame and the right support frame are rotated.
  • the left guiding drive mechanism and the right guiding drive mechanism forcing the intermediate support plate to perform a corresponding ascending or descending movement, and the lowering distance of the intermediate support plate is greater than the second half during the first half of the hinge from flattening to folding Falling distance
  • the left support plate is movably connected between the left support frame and the intermediate U-shaped outer cover
  • the right support plate is movably connected between the right support frame and the intermediate U-shaped outer cover
  • the left support plate, the intermediate support plate and the right support plate form a central support surface of the flexible screen when the hinge is flattened, and form a bent configuration after the hinge is folded to provide a space for the flexible screen to bend.
  • left side guide drive mechanism and the right side guide drive mechanism include a guide drive groove and a pin that cooperates with the guide drive groove.
  • the left support plate and the right support plate are both telescopic components, and the outer ends of the left support plate and the right support plate are respectively rotatably connected to the left support frame and the right support frame, and the left support plate and the right support plate are respectively connected.
  • the inner ends are respectively rotatably connected with the central U-shaped outer cover at a position deviating from the rotation center of the left support frame and the right support frame; the distance between the rotation center of the inner end of the left support plate and the right support plate and the outer end rotation center is The hinges are variable during flattening and folding.
  • the centers of rotation of the outer ends of the left support plate and the right support plate are respectively at the height of the flexible screen above the left support plate and the right support plate.
  • the left support plate and the right support plate respectively comprise a flexible screen support plate and a connection plate, the flexible screen support plate and the connection plate are slidably connected, and one end of the flexible support plate of the left support plate and the right support plate
  • the first support frame and the right support frame are respectively rotatably connected, and one ends of the connection plates of the left support plate and the right support plate are respectively rotatably connected to the central U-shaped outer cover.
  • a spring mechanism is connected between the flexible support plate of the left support plate and the right support plate and the connecting plate, so that the hinge starts from the flattening to the folding process and starts from the folding to the flattening process.
  • the spring is released from the energy storage to the potential energy, so that the hinge is automatically opened or automatically folded during the release phase.
  • the hinge is provided at the inner end of the left support frame and the right support frame with a structure for stopping the rotation at any time.
  • the two ends of the middle U-shaped outer cover are respectively connected by the connecting structure and the outer casing of the synchronous mechanism of the corresponding end, and the left support frame and the right support frame are provided with a position for the left support frame and the right support The rotating hole of the frame.
  • 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 invention has the advantages of simple and reliable structure, can realize the support of the inner flexible screen and the bending requirement of the inner flexible screen when being closed, and provides a larger space for the flexible screen to bend and makes the hinge close.
  • the rear part of the mechanism is not exposed, and the intermediate support plate can be quickly lowered in the initial stage of closing from the flattened state, and the avoidance space is quickly formed to avoid the flexible screen to prevent the screen from being crushed and damaged.
  • 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.
  • Figure 1 is an exploded view of an embodiment of a hinge of the present invention.
  • 2-1 and 2-2 are respectively a schematic view and a schematic view of a middle structure of an inwardly folded flexible screen mobile terminal to which the hinge of the present invention is applied in an open flat state.
  • 3-1 and 3-2 are respectively a schematic view and a schematic view of a central structure of an inwardly folded flexible screen mobile terminal to which the hinge of the present invention is applied in a folded state.
  • 4-1 and 4-2 are cross-sectional views of the inwardly folded flexible screen mobile terminal to which the hinge of the present invention is applied, in an open flat state and in a folded state, respectively.
  • Figures 5-1 and 5-2 are enlarged views of the portion of Figure 4-1A and the portion of Figure 4-2B, respectively.
  • FIG. 6 is a schematic cross-sectional view showing the descending distance of the inner support plate of the inner folding flexible screen mobile terminal to which the hinge of the present invention is applied from the open flattening state to the folded state.
  • Fig. 7 is a cross-sectional view showing the descending distance of the intermediate support plate when the inner folding flexible screen mobile terminal to which the hinge of the present invention is applied is opened from the flattened state to the half opened.
  • Fig. 8 is a schematic view showing a synchronizing structure in the present invention.
  • Figure 9 is a schematic illustration of the left support plate assembly.
  • Figure 10 is a schematic view showing the combination of the left support plate, the right support plate and the central U-shaped cover.
  • Figure 11 is a cross-sectional view showing the hinge of the present invention from the open flattened state to the open half to the folded state, showing the expansion and contraction changes of the left support plate and the right support plate.
  • Figure 12 is an exploded view of Embodiment 2 of the present invention.
  • Fig. 13 is an exploded view showing the structure of the function portion for stopping the rotation at any time in the embodiment shown in Fig. 12.
  • Figure 14 is an enlarged view of the left support frame and the right support frame portion of the embodiment shown in Figure 12;
  • the hinge of the inwardly folded flexible screen mobile terminal comprises a left support plate, an intermediate support plate 3, a right support plate, a left support frame 100, a right support frame 200, and a middle U-shaped outer cover 300.
  • the inner ends of the left support frame 100 and the right support frame 200 are coupled to the synchronization mechanism such that the left support frame 100 and the right support frame 200 are synchronously reversely rotated such that the rotational speeds of the left support frame 100 and the right support frame 200 are substantially equal.
  • the synchronizing mechanism may employ a gear mechanism, which may include gears 41, 42, 43, 44 that are sequentially engaged.
  • the shaft 410 of the gear 41 and the shaft 440 of the gear 44 are coupled to the inner ends of the left and right support frames 100, 200, respectively, and the gears 41, 44 are also directly formed on the left and right support frames 100, 200.
  • the hinge is provided with a mounting shell 40 on the outer side of the inner ends of the left and right support frames 100 and 200, and the gears 41, 42, 43, 44 are mounted in the mounting shell 40, and the two ends of the central U-shaped outer cover 300 are respectively
  • the positioning pin 301 is connected to the mounting shell 40 of the corresponding end, and the left supporting frame 100 and the right supporting frame 200 are provided with a retaining hole for positioning the middle U-shaped outer cover positioning pin 301 for rotating the left supporting frame and the right supporting frame. 101, 201.
  • the shaft 410 of the gear 41 and the shaft 440 of the gear 44 also pass through the inner side plate of the mounting case 40, so that the mounting case 40 naturally achieves the inability to rotate, and can be used in the inner side plate and the left side support frame 100 and the right side support frame 200.
  • the rotation limit structure of the left support frame 100 and the right support frame 200 is provided.
  • the rotation limit structure may include a rotation range limiting block 45, 46 for setting the left support frame 100 and the right support frame 200, and the left support frame 100 and the right support frame 200 are provided with a limit for engaging the limit blocks 45, 46.
  • Slots 105, 205 When the left support frame 100 and the right support frame 200 are opened and flattened, they are limited and cannot continue to rotate.
  • the left support plate, the intermediate support plate 3, and the right support plate form a central support surface of the flexible screen when the hinge is flattened, and form a bent configuration after the hinge is folded to provide a space 400 for the flexible screen to bend.
  • the intermediate support plate 3 is a liftable plate, and its position corresponds to the central U-shaped outer cover 300.
  • the intermediate support plate 3 descends and descends into the bottom of the central U-shaped outer cover 300.
  • the intermediate support plate 3 is not connected to the left support plate and the right support plate, and is independent of the left support plate and the right support plate, so that the condition can be quickly lowered without interference with the left support plate and the right support plate, so that The space 400 for the flexible screen 500 is rapidly formed.
  • a left side guide drive mechanism and a right side guide drive mechanism are respectively disposed between the left support frame 100, the intermediate support plate 3, and between the right support frame 200 and the intermediate support plate 3, and serve as an intermediate support plate 3
  • the rotation of the left support frame 100 and the right support frame 200 forces the intermediate support plate to perform a corresponding ascending or descending movement via the left side guide drive mechanism and the right side guide drive mechanism, and the hinge is flattened to folded at the hinge.
  • the first half of the process that is, 180° open to 90° open
  • the intermediate support plate 3 is driven and guided by the left guide drive mechanism and the right guide drive mechanism, and the drop distance is greater than the latter half, that is, 90° open to close. The distance of the drop.
  • the structure of the left guide drive mechanism and the right guide drive mechanism is generally symmetrical.
  • the left side guide drive mechanism and the right side guide drive mechanism include a guide drive groove 51 and a pin 52 that cooperates with the guide drive groove 51; preferably, the guide drive groove 51 is at the end of the left support frame 100 and the right support frame 200.
  • the pin 52 is at the end of the intermediate support plate 3.
  • the guiding drive groove 51 of the left support frame 100 and the right support frame 200 adopts a large pressure angle design, so that the intermediate support plate 3 is rapidly lowered when the rotation is initially, and the flexible screen is bent to provide sufficient space to prevent the flexible screen from being damaged by the hinge.
  • the guide driving groove 51 is a substantially steep chute, and the upper end of the chute is closer to the middle portion of the hinge. The upper end of the chute is larger than the lower end of the respective rotating center.
  • the distance from the center of rotation of the center makes the intermediate support plate 3 show a fast drop and a large distance in the first half when the hinge is opened from the flattened state to the folded state.
  • the slowing down and the short distance in the second half are from the fold to the exhibition.
  • the intermediate support plate 3 exhibits a symmetrical motion law, that is, the starting speed is slow and the rising distance is short, while in the latter half, the speed is fast and the rising distance is large.
  • the intermediate support plate 3 has a descending height of 2.6 mm, which accounts for about 3/4 of the total descending height, and the rear 90° achieves a decrease of the remaining 1/4 of the rotation. In this way, the initial rapid drop can quickly form the space 400, avoiding the flexible screen and avoiding the screen being damaged by the squeeze.
  • the left support plate 1 is movably coupled between the left support frame 100 and the intermediate U-shaped outer cover 300
  • the right support plate 2 is movably coupled between the right support frame 200 and the intermediate U-shaped outer cover 300.
  • the left support plate and the right support plate are both telescopic components, and the outer ends of the left support plate and the right support plate are respectively rotatably connected to the left support frame 100 and the right support frame 200, and the left support plate and the right support plate are respectively
  • the inner end is respectively rotatably connected with the central U-shaped outer cover 300 at a position deviating from the rotation center of the left support frame and the right support frame; the distance between the rotation center of the inner end of the left support plate and the right support plate and the outer end rotation center is
  • the hinges are variable during flattening and folding.
  • the left support plate and the right support plate respectively include flexible screen support plates 1, 2 and connecting plates 10, 20.
  • the flexible screen support plate 1 and the connecting plate 10 are slidably connected, and the flexible screen supporting plate 2 and the connecting plate 20 are slidably connected.
  • One end of the flexible screen support plate 1 is rotatably connected to the left support frame 100, and one end of the flexible screen support plate 2 is rotatably connected to the right support frame 200, and one end of the connection plate 10 is rotatably connected with the central U-shaped outer cover 300, and one end of the connection plate 20 is The central U-shaped outer cover 300 is rotatably coupled.
  • the number of the connecting plate 10 and the connecting plate 20 is preferably two.
  • Reference numerals 11 and 21 are rotation axes of the connecting plate 10, the connecting plate 20, and the central U-shaped outer cover 300, respectively.
  • the rotation centers 12 and 22 of the flexible screen support plate 1 of the left support plate and the flexible screen support plate 2 of the right support plate are respectively located at the height of the flexible screen outside the left support plate and the right support plate, and are virtual centers, left
  • the support frame and the right support frame are respectively provided with circular arc grooves 102 and 202.
  • the center of the circular arc groove is located above the left support plate and the right support plate, and the flexible screen support plate 1 and the flexible screen support plate 2 are respectively provided.
  • a spring mechanism is connected between the flexible screen support plate 1 and the connecting plate 10, and between the flexible screen supporting plate 2 and the connecting plate 20, so that the hinge starts from the flattening to the folding process and starts from the folding to the flattening process.
  • the stage is the energy storage phase of the spring, and in the subsequent stage, the spring is released from the energy storage to the potential energy, so that the hinge is automatically opened or automatically folded during the release phase, thereby giving the flexible screen mobile terminal a semi-automatic opening and closing function, or It acts to counteract the resilience when the flexible screen is bent.
  • the spring mechanism may be a torsion spring 6; or a compression spring or a tension spring, and the compression spring or the tension spring is connected with two spring frames that are relatively slidable, and the two spring frames and the flexible screen support plate and the connecting plate respectively connection.
  • the two ends of the torsion spring 6 are respectively rotatably connected to the flexible plate support plate and the connecting plate through the connecting member.
  • Both ends of the torsion spring 6 are ring-shaped or open-loop, and the connecting member may adopt a rivet 60, and the torsion spring 6 may adopt a C-shape, a wavy line shape, a W-shape, or the like.
  • the hinge may not be the above-mentioned semi-automatic hinge, but the inner support of the left support frame 100 and the right support frame 200 is provided with a structure for stopping the rotation at any time, providing an operation feeling of the hinge and providing a function of stopping the position at any time.
  • the structure includes a cam member 7 that does not rotate, the inner side of the cam member 7 is provided with a left cam surface 71 for the left support frame 100 and a right cam surface 72 for the right support frame 200, the left support frame 100, the right
  • the outer surface of the inner end of the support frame 200 is provided with cam faces 104, 204 that cooperate with the left cam surface 71 and the right cam surface 72.
  • the first gear shaft 410 and the fourth gear shaft 440 respectively pass through the cam member 7 such that the cam member 7 is positioned without rotating, and a disc spring 8 is disposed between the cam member 7 and the gear case, left side And the disc spring 8 on the right side is sleeved on the first gear shaft 410 and the fourth gear shaft 440 respectively, and the left cam surface 71 and the cam surface 104 are tightened, and the right cam surface 72 and the cam surface 204 are tightened. Friction is generated to achieve constant positioning at any time.
  • the engagement of the left cam surface 71 with the cam surface 104 and the engagement of the right cam surface 72 and the cam surface 204 are preferably symmetrical.
  • the automatic reset function (ie, the self-locking function of the state) of the hinge is opened at the beginning of the folded state or folded from the flattened state to avoid erroneous operation, and the automatic seating function is provided at the end stage (that is, the Self-locking function of the state).
  • the structure that can be stopped and rotated at any time can also adopt a torsion structure, for example, the shape of the shaft is wrapped by a reed pipe, so as to stop the rotation at any time.
  • the structure for temporarily stopping the rotation at any time is disposed at the inner end of the left support frame 100 and the right support frame 200. Since they are the components having the largest range of rotation angles in the entire device, this helps to improve the positioning at any time by stopping the rotation. Sensitivity helps to improve the feel of the operation.
  • the structure that is positioned at any time to stop the rotation at any time may also be disposed between other portions where relative rotation and sliding occur.
  • the same reference numerals as in the drawings of Embodiment 1 represent the same meanings.
  • the mobile terminal to which the above hinge is applied taking the mobile phone as an example, the flexible screen 500 is laid on the inner side of the hinge and the inner side of the left main support plate 601 and the right main support plate 602 of the flexible screen, the left support frame 100 and The right support frame 200 may be integral with the left main support plate 601 and the right main support plate 602 of the flexible screen of the mobile terminal, respectively, or be separate components and be integrally fixed.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

本发明提供了一种内折柔性屏移动终端及其铰链，所述铰链包括左支撑板、中间支撑板、右支撑板、左支撑架、右支撑架、中部U形外罩；中间支撑板为可升降的板，其位置和中部U形外罩对应，所述中间支撑板下降后降入所述中部U形外罩底部；中间支撑板不与左支撑板和右支撑板连接，在铰链从展平到折拢的前半程，中间支撑板的下降距离大于后半程的下降距离。本发明能够作为柔性屏处在内侧的移动终端的铰链，并在折拢时能快速形成供柔性屏弯曲的空间，避免柔性屏受到伤害，并使得铰链在合拢后其中部机构不外露。

Description

一种内折柔性屏移动终端的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的铰链，能够作为柔性屏处在内侧的移动终端的铰链，并在折拢时能快速形成供柔性屏弯曲的空间，避免柔性屏受到伤害。为此，本发明采用以下技术方案：
一种内折柔性屏移动终端的铰链，其特征在于它包括左支撑板、中间支撑板、右支撑板、左支撑架、右支撑架、中部U形外罩；
左支撑架和右支撑架的内侧端与同步机构连接，使得左支撑架和右支撑架能同步反向转动；
中间支撑板为可升降的板，其位置和中部U形外罩对应，所述中间支撑板下降后降入所述中部U形外罩底部；中间支撑板不与左支撑板和右支撑板连接，在所述左支撑架、中间支撑板之间以及在所述右支撑架、中间支撑板之间分别设置左侧导向驱动机构和右侧导向驱动机构，所述左支撑架、右支撑架的转动经所述左侧导向驱动机构和右侧导向驱动机构而迫使中间支撑板作相应的上升或下降运动，并且，在铰链从展平到折拢的前半程，中间支撑板的下降距离大于后半程的下降距离；
所述左支撑板活动连接在左支撑架和中间U形外罩之间，所述右支撑板活动连接在右支撑架和中间U形外罩之间；
左支撑板、中间支撑板、右支撑板在铰链展平时形成柔性屏的中部支撑面，在铰链折拢后形成弯折构型而提供供柔性屏弯曲的空间。
进一步地，所述左侧导向驱动机构和右侧导向驱动机构包括导向驱动槽和与导向驱动槽 配合的销。
进一步地，所述左支撑板、右支撑板均为伸缩组件，所述左支撑板、右支撑板的外端分别和左支撑架、右支撑架转动连接，所述左支撑板、右支撑板的内端分别和中部U形外罩在偏离左支撑架、右支撑架转动中心的位置转动连接；所述左支撑板、右支撑板的内端转动中心和的外端转动中心之间的距离在铰链展平和折拢过程中可变。
进一步地，所述左支撑板、右支撑板的外端的转动中心分别处在左支撑板、右支撑板上方的柔性屏所在高度。
进一步地，所述左支撑板、右支撑板分别包括柔性屏支撑板和连接板，所述柔性屏支撑板和连接板滑动连接，所述左支撑板、右支撑板的柔性屏支撑板的一端分别和左支撑架、右支撑架转动连接，所述左支撑板、右支撑板的连接板的一端分别和中部U形外罩转动连接。
进一步地，所述左支撑板、右支撑板的柔性屏支撑板与连接板之间连接弹簧机构，使得在铰链从展平到折拢过程的开始阶段以及从折拢到展平过程的开始阶段为弹簧蓄能阶段，并在之后的阶段，弹簧从蓄能转为势能释放，使铰链在释能阶段被自动打开或自动折拢。
进一步地，所述铰链在左支撑架、右支撑架的内端设置有随时停止转动随时定位的结构。
进一步地，所述中部U形外罩的两端分别通过连接结构和相应端的同步机构的外壳连接，所述左支撑架和右支撑架设置有对连接结构进行让位以供左支撑架和右支撑架转动的让位孔。
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、可靠，能够实现对内柔性屏的支撑和适应内柔性屏在合拢时的弯曲需要，提供更大的供柔性屏弯曲的空间并使得铰链在合拢后其中部机构不外露，并且，在从展平状态闭合的初始阶段能快速下降中间支撑板，快速形成避让空间避让柔性屏，避免屏幕受挤压损坏。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的爆炸图。
图2-1、2-2分别为应用本发明铰链的内折柔性屏移动终端在打开展平状态下的示意图和中部结构的示意图。
图3-1、3-2分别为应用本发明铰链的内折柔性屏移动终端在折拢状态下的示意图和中部结构的示意图。
图4-1、4-2分别为应用本发明铰链的内折柔性屏移动终端在打开展平状态下及折拢状态下的剖视图。
图5-1、5-2分别为图4-1A部位、4-2B部位的放大图。
图6为以剖视方式显示的，应用本发明铰链的内折柔性屏移动终端从打开展平状态到折拢状态中间支撑板的下降距离示意图。
图7为以剖视方式显示的，应用本发明铰链的内折柔性屏移动终端从打开展平状态下到打开一半时，中间支撑板的下降距离示意图。
图8为显示本发明中的同步结构的示意图。
图9为左支撑板组件的示意图。
图10为左支撑板、右支撑板和中部U形外罩的组合示意图。
图11为本发明所提供的铰链从打开展平状态下到打开一半再到折拢状态的剖视图，显示左支撑板、右支撑板的伸缩变化。
图12为本发明实施例2的爆炸图。
图13为图12所示实施例中的随时停止转动随时定位功能部分的结构爆炸图。
图14为图12所示实施例中左支撑架、右支撑架部分的放大图。
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，包括左支撑板、中间支撑板3、右支撑板、左支撑架100、右支撑架200、中部U形外罩300。
左支撑架100和右支撑架200的内侧端与同步机构连接，使得左支撑架100和右支撑架200能同步反向转动，使得左支撑架100和右支撑架200的转动速度基本相等。
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41、42、43、44。齿轮41的轴410和齿轮44的轴440分别和左支撑架100和右支撑架200的内侧端连接，齿轮41、44也可直接做在左支撑架100和右支撑架200上。所述铰链在左支撑架100和右支撑架200的内端的外侧设置安装壳40，所述齿轮41、42、43、44安装在安装壳40中，所述中部U形外罩300的两端分别通过定位销301和相应端的安装壳40连接，所述左支撑架100和右支撑架200设置有对中部U形外罩定位销301进行让位以供左支撑架和右支撑架转动的让位孔101、201。
齿轮41的轴410和齿轮44的轴440同时也穿过安装壳40的内侧板，这样，安装壳40自然获得不能转动的结果，而可在内侧板与左支撑架100和右支撑架200之间设置左支撑架100和右支撑架200的转动限位结构。转动限位结构可包括设置左支撑架100和右支撑架200的转动范围限位块45、46，而左支撑架100和右支撑架200上设置有与限位块45、46配合的限位槽105、205。使左支撑架100和右支撑架200打开展平时即被限位而不能继续转动。
左支撑板、中间支撑板3、右支撑板在铰链展平时形成柔性屏的中部支撑面，在铰链折拢后形成弯折构型而提供供柔性屏弯曲的空间400。
中间支撑板3为可升降的板，其位置和中部U形外罩300对应，所述中间支撑板3下降后降入所述中部U形外罩300底部。本发明中，中间支撑板3不与左支撑板和右支撑板连接，独立于左支撑板和右支撑板运动，使得能够有条件快速下降而不与左支撑板和右支撑板产生干涉，使供柔性屏500弯曲的空间400快速形成。在所述左支撑架100、中间支撑板3之间以及在所述右支撑架200、中间支撑板3之间分别设置左侧导向驱动机构和右侧导向驱动机构，起到对中间支撑板3上升和下降的驱动、导向作用，并在铰链打开展平时还可使得中间支撑板3获得左支撑架100、右支撑架200的支撑。所述左支撑架100、右支撑架200的转动经所述左侧导向驱动机构和右侧导向驱动机构而迫使中间支撑板作相应的上升或下降运动，并且，在铰链从展平到折拢的前半程，即180°打开到90°打开的过程，中间支撑板3在左侧导向驱动机构和右侧导向驱动机构的驱动和导向下，其下降距离大于后半程即90°打开到 闭合时的下降距离。
左侧导向驱动机构和右侧导向驱动机构的结构一般做成对称。
所述左侧导向驱动机构和右侧导向驱动机构包括导向驱动槽51和与导向驱动槽51配合的销52；优选地导向驱动槽51处在左支撑架100、右支撑架200的端部而销52处在中间支撑板3的端部。左支撑架100、右支撑架200的导向驱动槽51采用大压角设计，实现转动初始时中间支撑板3快速下降，为柔性屏弯折提供足够大空间以避免柔性屏幕受压迫损坏，以铰链处在展平状态下为参考位，所述导向驱动槽51为基本为较陡的斜槽，且斜槽的上端更靠近铰链的中间部位，斜槽的上端距各自的转动中心的半径大于下端距各自转动中心的距离，使得在铰链从展平打开到折拢状态时中间支撑板3呈现出前半程下降速度快且距离大，后半程下降速度慢且距离短，而从折拢到展平打开时，中间支撑板3则呈现对称的运动规律，即开始速度慢且上升距离短，而在后半程则速度快且上升距离大。
以本实施例为例，从打开展平状态180°关闭至90°过程中，中间支撑板3下降高度2.6mm，约占总下降高度3/4，后面90°实现下降剩余1/4转动，这样，初始快点下降可以快速形成空间400，避让柔性屏，避免屏幕受挤压损坏。
所述左支撑板1活动连接在左支撑架100和中间U形外罩300之间，所述右支撑板2活动连接在右支撑架200和中间U形外罩300之间。
所述左支撑板、右支撑板均为伸缩组件，所述左支撑板、右支撑板的外端分别和左支撑架100、右支撑架200转动连接，所述左支撑板、右支撑板的内端分别和中部U形外罩300在偏离左支撑架、右支撑架转动中心的位置转动连接；所述左支撑板、右支撑板的内端转动中心和的外端转动中心之间的距离在铰链展平和折拢过程中可变。
所述左支撑板、右支撑板分别包括柔性屏支撑板1、2和连接板10、20，柔性屏支撑板1和连接板10滑动连接，柔性屏支撑板2和连接板20滑动连接。柔性屏支撑板1的一端和左支撑架100转动连接，柔性屏支撑板2的一端和右支撑架200转动连接，连接板10的一端和中部U形外罩300转动连接，连接板20的一端和中部U形外罩300转动连接。连接板10、连接板20的数量均优选为2块。
附图标号11和21分别为连接板10、连接板20与中部U形外罩300的转动轴。所述左 支撑板的柔性屏支撑板1和右支撑板的柔性屏支撑板2的转动中心12、22分别处在左支撑板、右支撑板外上方的柔性屏所在高度，为虚拟中心，左支撑架、右支撑架上分别设有圆弧槽102、202，圆弧槽的圆心处在左支撑板、右支撑板外的上方，所述柔性屏支撑板1和柔性屏支撑板2分别设有与圆弧槽102、202相配的导向键13、23。这样，柔性屏500粘牢于柔性屏支撑板1、2，柔性屏支撑板1、2转动时，柔性屏幕几乎不会被拉长或压缩，提高柔性屏的使用寿命。
柔性屏支撑板1与连接板10之间、柔性屏支撑板2与连接板20之间连接弹簧机构，使得在铰链从展平到折拢过程的开始阶段以及从折拢到展平过程的开始阶段为弹簧的蓄能阶段，并在之后的阶段，弹簧从蓄能转为势能释放，使铰链在释能阶段被自动打开或自动折拢，从而赋予柔性屏移动终端半自动打开和闭合功能，或起到抵消柔性屏弯曲时的回弹力的作用。
所述弹簧机构可以采用扭簧6；或者采用压簧或拉簧，并且将压簧或拉簧和两个可相对滑动的弹簧架相连，且两个弹簧架分别和柔性屏支撑板与连接板连接。本实施例中，扭簧6的两端分别通过连接件与柔性屏支撑板与连接板转动连接。扭簧6的两端呈圈状或开环状，所述连接件可采用铆钉60，所述扭簧6可采用C字型、波浪线形、W字型等。
参照图12、13、14。所述铰链也可以不是上述半自动铰链，而是在左支撑架100、右支撑架200的内端设置有随时停止转动随时定位的结构，提供铰链的操作手感和提供随时停止随时定位功能。该结构包括不转的凸轮部件7，所述凸轮部件7的内侧面设置有对于左支撑架100的左侧凸轮面71和对于右支撑架200的右侧凸轮面72，左支撑架100、右支撑架200内端外表面设置有与左侧凸轮面71、右侧凸轮面72配合的凸轮面104、204。第一齿轮轴410和第四齿轮轴440分别穿过所述凸轮部件7，使得所述凸轮部件7被定位而不转，在所述凸轮部件7和齿轮箱之间设置碟簧8，左侧和右侧的碟簧8分别套在第一齿轮轴410和第四齿轮轴440上，顶紧左侧凸轮面71与凸轮面104、顶紧右侧凸轮面72和凸轮面204，两者之间产生摩擦而实现随时停止转动随时定位。
所述左侧凸轮面71与凸轮面104的配合与右侧凸轮面72和凸轮面204的配合优选是对称的。在铰链从展平到折拢过程的开始阶段和结尾阶段均为斜面配合73(对碟簧发生压缩和释放)，在其余的主要部分为平面配合74(不发生对碟簧的压缩和释放)，这样，赋予铰链在折拢状态打开或从展平状态折拢的开始阶段的自动复位功能(也即该状态的自锁功能)而避 免误操作，在结束阶段提供自动到位功能(也即该状态的自锁功能)。
除了上述的摩擦结构之外，所述随时停止转动随时定位的结构也可采用扭力结构，比如利用簧管包住轴的形式，来起到随时停止转动随时定位的功能
本实施例将随时停止转动随时定位的结构设置在左支撑架100、右支撑架200的内端，由于它们是整个装置中转动角度范围最大的部件，这样有助于提高随时停止转动随时定位的灵敏度，有助于提高操作手感。所述随时停止转动随时定位的结构也可设置在发生相对转动、滑动的其它部位间。在本实施例中附图标号与实施例1的附图相同的，代表同样的意思。
应用上述铰链的移动终端，以手机为例，所述柔性屏500铺设在所述铰链的内侧及柔性屏左侧主支撑板601和右侧主支撑板602的内侧，所述左支撑架100和右支撑架200可以分别和移动终端的柔性屏左侧主支撑板601和右侧主支撑板602一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 (9)

  1. 一种内折柔性屏移动终端的铰链，其特征在于它包括左支撑板、中间支撑板、右支撑板、左支撑架、右支撑架、中部U形外罩；
    左支撑架和右支撑架的内侧端与同步机构连接，使得左支撑架和右支撑架能同步反向转动；
    中间支撑板为可升降的板，其位置和中部U形外罩对应，所述中间支撑板下降后降入所述中部U形外罩底部；中间支撑板不与左支撑板和右支撑板连接，在所述左支撑架、中间支撑板之间以及在所述右支撑架、中间支撑板之间分别设置左侧导向驱动机构和右侧导向驱动机构，所述左支撑架、右支撑架的转动经所述左侧导向驱动机构和右侧导向驱动机构而迫使中间支撑板作相应的上升或下降运动，并且，在铰链从展平到折拢的前半程，中间支撑板的下降距离大于后半程的下降距离；
    所述左支撑板活动连接在左支撑架和中间U形外罩之间，所述右支撑板活动连接在右支撑架和中间U形外罩之间；
    左支撑板、中间支撑板、右支撑板在铰链展平时形成柔性屏的中部支撑面，在铰链折拢后形成弯折构型而提供供柔性屏弯曲的空间。
  2. 如权利要求1所述的一种内折柔性屏移动终端的铰链，其特征在于所述左侧导向驱动机构和右侧导向驱动机构包括导向驱动槽和与导向驱动槽配合的销。
  3. 如权利要求1所述的一种内折柔性屏移动终端的铰链，其特征在于所述左支撑板、右支撑板均为伸缩组件，所述左支撑板、右支撑板的外端分别和左支撑架、右支撑架转动连接，所述左支撑板、右支撑板的内端分别和中部U形外罩在偏离左支撑架、右支撑架转动中心的位置转动连接；所述左支撑板、右支撑板的内端转动中心和的外端转动中心之间的距离在铰链展平和折拢过程中可变。
  4. 如权利要求3所述的一种内折柔性屏移动终端的铰链，其特征在于所述左支撑板、右支撑板的外端的转动中心分别处在左支撑板、右支撑板上方的柔性屏所在高度。
  5. 如权利要求3所述的一种内折柔性屏移动终端的铰链，其特征在于所述左支撑板、右支撑板分别包括柔性屏支撑板和连接板，所述柔性屏支撑板和连接板滑动连接，所述左支撑板、右支撑板的柔性屏支撑板的一端分别和左支撑架、右支撑架转动连接，所述左支撑板、 右支撑板的连接板的一端分别和中部U形外罩转动连接。
  6. 如权利要求3所述的一种内折柔性屏移动终端的铰链，其特征在于所述左支撑板、右支撑板的柔性屏支撑板与连接板之间连接弹簧机构，使得在铰链从展平到折拢过程的开始阶段以及从折拢到展平过程的开始阶段为弹簧蓄能阶段，并在之后的阶段，弹簧从蓄能转为势能释放，使铰链在释能阶段被自动打开或自动折拢。
  7. 如权利要求1所述的一种内折柔性屏移动终端的铰链，其特征在于所述铰链在左支撑架、右支撑架的内端设置有随时停止转动随时定位的结构。
  8. 如权利要求1所述的一种内折柔性屏移动终端的铰链，其特征在于所述中部U形外罩的两端分别通过连接结构和相应端的同步机构的外壳连接，所述左支撑架和右支撑架设置有对连接结构进行让位以供左支撑架和右支撑架转动的让位孔。
  9. 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、4、5、6、7或8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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