WO2019184347A1 - 可折叠移动终端 - Google Patents

可折叠移动终端 Download PDF

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Publication number
WO2019184347A1
WO2019184347A1 PCT/CN2018/113513 CN2018113513W WO2019184347A1 WO 2019184347 A1 WO2019184347 A1 WO 2019184347A1 CN 2018113513 W CN2018113513 W CN 2018113513W WO 2019184347 A1 WO2019184347 A1 WO 2019184347A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
mobile terminal
support
foldable mobile
rod
Prior art date
Application number
PCT/CN2018/113513
Other languages
English (en)
French (fr)
Inventor
许少鹏
吴昊
刘旭忠
安娜
马晓
罗宗玮
次刚
郭宝磊
宫心峰
徐斌
罗振华
张铮
管清竹
苏伟
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US16/470,375 priority Critical patent/US11256292B2/en
Priority to EP18884855.0A priority patent/EP3780563A4/en
Publication of WO2019184347A1 publication Critical patent/WO2019184347A1/zh

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Classifications

    • 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
    • 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
    • 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
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • 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
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • 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
    • H04M1/0206—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
    • 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
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • 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

Definitions

  • the present disclosure relates to the field of display technologies, and in particular, to a foldable mobile terminal.
  • the increase of the screen of the mobile phone is mainly realized by a foldable manner.
  • the existing foldable mobile phone hinges the upper and lower shells through the rotating shaft, and the movable angle of the upper shell and the lower shell ranges from 0° to 180°.
  • the flexible screen attached to the folded inner side surface of the upper shell and the lower shell is folded up for the user to carry; when the upper shell and the lower shell are unfolded by 180°, the flexible screen is displayed Flat, to meet the user's large screen needs.
  • At least one embodiment of the present disclosure provides a foldable mobile terminal, including:
  • a flexible screen comprising a curved portion and first and second planar portions on both sides of the curved portion;
  • first support housing and a second support housing, the first support housing being coupled to a back side of the first planar portion, and the second support housing being coupled to a back side of the second planar portion;
  • a multi-bar mechanism located on a back side of the curved portion and connected to the first support housing and the second support housing, including a plurality of support rods adjacent to each other and extending along a bending axis direction of the curved portion, And a connecting structure corresponding to the same end side of the two adjacent support rods, wherein: the connecting structure comprises pivoting and one of the two adjacent support rods is pivoted and the axial movement is restricted a first sleeve, a second support sleeve mounted on the other of the two adjacent support rods and radially rotating, wherein the first sleeve and the second sleeve are Telescopic connection.
  • the multi-bar mechanism is configured to form an accommodating space when the first sleeve is rotated relative to the second sleeve, and the curved portion is received in the accommodating space.
  • the two ends of the support rod each have a shoulder for axially limiting the connection structure.
  • the foldable mobile terminal further includes an elastic damping piece disposed between an end surface of the shoulder and a sleeve adjacent the shoulder.
  • the first sleeve has at least one connecting rod
  • the second sleeve has a rod hole disposed in one-to-one correspondence with the at least one connecting rod
  • the second sleeve has at least one connecting rod
  • the first sleeve has a rod hole disposed in one-to-one correspondence with the at least one connecting rod
  • the connecting rod is slidably telescopically movable in the corresponding rod hole
  • the rod hole is provided with a rod for preventing the connecting rod from coming out Limits.
  • the spacing between the connected first bushing and the second bushing changes.
  • a rotational position locking structure is disposed between the inner side wall surface of the first sleeve and the corresponding support rod.
  • the rotational position locking structure includes a plurality of limiting pockets disposed on the support rod, and a plurality of limits corresponding to the plurality of limiting pockets disposed on the inner wall surface of the first sleeve Positioning the protrusion, or the rotation position locking structure includes a plurality of limiting pockets disposed on the inner wall surface of the first sleeve, and corresponding to the plurality of limiting pockets disposed on the support rod And a plurality of limiting protrusions, wherein the plurality of limiting protrusions are sequentially limited to the plurality of limiting pockets.
  • the first support housing has a first mounting notch near the end side of the second supporting housing, and the second supporting housing has a second mounting notch near the end side of the first supporting housing;
  • the support rod of the multi-bar mechanism adjacent to the first support housing is a first support rod, the first support rod is mounted to the first mounting notch, and the multi-bar mechanism is adjacent to the second support housing
  • the support rod is a second support rod, and the second support rod is mounted to the second mounting gap.
  • the multi-bar mechanism includes the first sleeve and the second sleeve disposed in pairs except for the first support rod and the second support rod.
  • the end of the first sleeve adjacent to the second sleeve has a stop portion, and the end of the second sleeve adjacent to the first sleeve is provided with a blocking portion when the foldable mobile terminal is folded
  • the stop portion and the blocking portion are for defining a relative rotation angle of the first sleeve and the second sleeve.
  • the multi-bar mechanism includes a number of support bars of not less than five.
  • the foldable mobile terminal further includes a protective cover disposed on a side surface of the multi-bar mechanism away from the flexible screen.
  • FIG. 1 is a schematic structural diagram of a foldable mobile terminal according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a foldable mobile terminal according to another embodiment of the present disclosure.
  • FIG. 3 is a schematic structural diagram of a foldable mobile terminal according to still another embodiment of the present disclosure.
  • FIG. 4 is a schematic cross-sectional view showing a foldable mobile terminal in a folded state according to an embodiment of the present disclosure
  • FIG. 5 is a schematic cross-sectional view showing a state in which a foldable mobile terminal is deployed at a small angle according to another embodiment of the present disclosure
  • FIG. 6 is a schematic cross-sectional view showing a 180° unfolded state of a foldable mobile terminal according to still another embodiment of the present disclosure
  • FIG. 7 is a schematic cross-sectional view showing a state in which a foldable mobile terminal is deployed at a large angle according to an embodiment of the present disclosure
  • FIG. 8 is a schematic cross-sectional view showing a reverse folded state of a foldable mobile terminal according to another embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram showing a partial structure of a connection structure in a foldable mobile terminal according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a connection structure according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural view of a second bushing according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural view of a first sleeve and a second sleeve disposed in pairs according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a foldable mobile terminal.
  • the present disclosure will be further described in detail in the following examples for the purpose of the present disclosure.
  • the flexible screen is hidden in the structural schematic diagram of the foldable mobile terminal of FIG. 2 , and the foldable mobile terminal provided by the embodiment of the present disclosure includes:
  • a flexible screen 1 comprising a curved portion 2 and a first planar portion 3 and a second planar portion 4 on both sides of the curved portion;
  • first support housing 5 and a second support housing 6, the first support housing 5 being coupled to the back side of the first planar portion 3, and the second support housing 6 being coupled to the back side of the second planar portion 4;
  • the first sleeve 10 is mounted on the other support rod of the two adjacent support rods and radially rotates the second sleeve 11 that is restrained.
  • the first sleeve 10 and the second sleeve 11 are telescopically connected.
  • the side close to the viewer is the front side of the flexible screen, and the side away from the viewer is the back side of the flexible screen.
  • the specific number of the support rods of the multi-bar mechanism is not limited, and may be specifically determined according to the thickness and the size of the foldable mobile terminal.
  • the foldable mobile terminal when the foldable mobile terminal is folded in half, the first support shell 5 and the second support shell 6 are overlapped. At this time, the screen of the flexible screen 1 is black, and the mobile terminal is turned off or standby. status.
  • the multi-bar mechanism 7 forms an accommodating space, and the curved portion 2 of the flexible screen 1 can be received in the accommodating space, so that the flexible screen 1 can be kept larger. Bending radius.
  • the two ends of the support rod respectively have a shoulder 23 for axially limiting the connecting structure 9 .
  • the foldable mobile terminal further includes an elastic damping piece 12 disposed between the end surface of the shoulder 23 and the sleeve close to the shoulder 23.
  • the spring damper 12 can effectively increase the limitation of the axial movement of the sleeve, thereby enhancing the damping force of the first sleeve during the rotation process, so that the foldable mobile terminal can be relatively stable when folded to a certain angle. Maintain the folding angle.
  • the specific number of the elastic damping sheets provided at each position is not limited, for example, two, so that the rotational damping force of the first sleeve during the rotation can be adjusted by adjusting the number of the elastic damping sheets.
  • the first sleeve 10 has at least one connecting rod 13, and the second sleeve 12 has a rod hole 14 disposed in one-to-one correspondence with the at least one connecting rod 13.
  • the connecting rod 13 is slidable and contractible in the corresponding rod hole 14, and a limiting portion (not shown) for preventing the connecting rod from coming out is provided in the rod hole 14.
  • the connecting rod 13 can also be disposed on the second sleeve 11 , and the rod hole corresponding to the connecting rod 13 is disposed on the first sleeve.
  • the plurality of support rods are connected by the connecting rods on the sleeve and the corresponding rod holes, so that not only the rotation of the support rods is more flexible, but also the adjacent support rods can be folded or unfolded in the folding mobile terminal.
  • the spacing between the two is adjusted, so that the pressing or pulling of the flexible screen can be further effectively avoided, the damage of the flexible screen can be avoided, and the limiting structure is arranged in the sliding pair of the connecting rod and the rod hole, so that the foldable movement can be effectively avoided.
  • the connecting rod is separated from the rod hole, thereby improving the structural stability of the multi-rod mechanism.
  • a rotational position locking structure is disposed between the inner side wall surface of the first sleeve and the corresponding support rod.
  • the rotational position locking structure includes a support rod disposed on the support rod.
  • a plurality of limiting recesses (not shown), and a plurality of limiting protrusions 15 corresponding to the plurality of limiting recesses disposed on the inner wall surface of the first sleeve 10, and the plurality of limiting protrusions 15 can It is limited to a plurality of limit pits.
  • a plurality of limiting protrusions may also be disposed on the support rod, and a plurality of limiting recesses are disposed on the inner side wall surface of the first sleeve, in the above embodiment, when When the first sleeve is rotated vigorously, the first sleeve rotates relative to the support rod.
  • the locking force of the rotary position locking structure is related to the limit pit and the number of the limit protrusions, and the depth of the recess of the limit pit and the limit protrusion, by selecting different limit pits and limit protrusions
  • the parameters can be such that different support rods and bushings are sequentially rotated in a predetermined order, so that the multi-bar mechanism is in a more ideal rotation state in the folded state of the foldable mobile terminal, and the plurality of limit protrusions are raised.
  • the first sleeve and the support rod can be kept relatively stationary within a certain range of torsional force, so that the mobile terminal can be maintained at a corresponding folding angle.
  • an elastic damping piece may be disposed between the end surface of the shoulder and the sleeve close to the shoulder, thereby enhancing the damping force of the first sleeve during the rotation, so that the foldable mobile terminal is folded into At a certain angle, the stability of maintaining the folding angle can be further improved.
  • connection manner of the second sleeve and the support rod is not limited, as shown in FIG. 11 , optionally, the connection manner of the second sleeve 11 and the support rod is a spline connection, wherein the second The inner side wall surface of the sleeve 11 is provided with internal splines 22, and the support rods are correspondingly provided with external splines.
  • the first support housing 5 has a first mounting notch 16 near the end side of the second support housing 6, and the second support housing 6 is adjacent to the first support.
  • the end side of the housing 5 has a second mounting notch 17;
  • the support rod of the multi-bar mechanism 7 adjacent to the first supporting housing 5 is a first supporting rod 18, and the first supporting rod 18 is mounted on the first mounting notch 16, the multi-bar mechanism 7
  • the support rod near the second support housing 6 is a second support rod 19, and the second support rod 19 is mounted to the second mounting notch 17. This facilitates the mounting of the support rod and the support housing and makes the structure of the foldable mobile terminal more compact.
  • the multi-bar mechanism 7 includes a first axis disposed in pairs except for the first support bar 18 and the second support bar 19. a sleeve 10 and a second sleeve 11 , wherein the end of the first sleeve 10 adjacent to the second sleeve 11 has a stop portion 20 , and the end of the second sleeve 11 adjacent to the first sleeve 10 is provided with a blocking portion 21 When the foldable mobile terminal is folded, the stop portion 20 and the blocking portion 21 are used to define relative rotation angles of the first sleeve 10 and the second sleeve 11.
  • the angle of relative rotation of the first sleeve 10 and the second sleeve 11 is [0, 180°- ⁇ - ⁇ ]. In this way, the deformation of the multi-bar mechanism 7 due to the improper rotation angle during the rotation can be effectively avoided, so that the deformation of the flexible screen 1 can be effectively avoided.
  • the specific number of the support rods in the multi-bar mechanism is not limited, and when the number of the support rods included in the multi-bar mechanism is not less than 5, the foldable mobile terminal can be effectively increased in the opposite direction.
  • the bending radius of the accommodating space formed by the rotation of the plurality of rods is large, thereby effectively improving the bending smoothness and adaptability of the flexible screen.
  • the foldable mobile terminal further includes a protective cover disposed on a side surface of the multi-bar mechanism away from the flexible screen. This can effectively prevent the multi-bar mechanism from being exposed directly and easily damaged, thereby prolonging the service life of the mobile terminal and improving the aesthetics of the mobile terminal.
  • the multi-bar mechanism includes five support bars
  • FIG. 4 is a schematic structural view of the foldable mobile terminal in a folded state.
  • the flexible screen is black and the mobile terminal is at In the shutdown or standby state
  • the bent portion of the flexible panel 2 may be accommodated in the accommodation space formed by rotating a multi-lever mechanism 7, whereby the flexible panel can be maintained with a larger The radius of the bend.
  • FIG. 5 is a schematic structural view of a small angle unfolded state of the foldable mobile terminal, in which case ⁇ 1 ⁇ 180°, ⁇ 2 ⁇ 180°, ⁇ 3 ⁇ 180°;
  • Fig. 7 is a schematic structural view of the large-angle unfolded state of the foldable mobile terminal, ⁇ 1 >180°, ⁇ 2 >180°, ⁇ 3 >180 °.
  • FIG. 8 is a schematic structural diagram of a reverse folding state of the foldable mobile terminal.
  • the foldable mobile terminal is deployed from the state shown in FIG. 4 to the process of FIG. 8.
  • L 1 L 4
  • L 2 L 3
  • L 1 and L 4 the lengths of L 2 and L 3
  • ⁇ 1 , ⁇ 2 , ⁇ 3 are gradually increased, so that the support shell and the five-bar mechanism can always adapt to the specifications of the flexible screen in the process, thereby effectively reducing the flexibility of the screen. Damage, which in turn extends the life of the foldable mobile terminal.
  • the specific type of the foldable mobile terminal is not limited, and may be, for example, a foldable mobile phone, a notebook computer, an e-book, a tablet, and the like.

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

Abstract

本公开涉及显示技术领域，公开一种可折叠移动终端，以增大可折叠角度，减少柔性屏断裂，延长可折叠移动终端寿命，可折叠移动终端包括：柔性屏，包括弯曲部和位于弯曲部两侧的第一平面部和第二平面部；第一支撑壳体，与第一平面部的背侧连接；第二支撑壳体，与第二平面部的背侧连接；多杆机构，位于弯曲部的背侧并与第一支撑壳体和第二支撑壳体连接，包括并排相邻且沿弯曲部的弯曲轴线方向延伸的多根支撑杆，以及相邻两根支撑杆的同一端侧所对应设置的连接结构，连接结构包括与相邻两根支撑杆中的一根支撑杆枢装且轴向移动被限位的第一轴套、安装于相邻两根支撑杆中的另一根支撑杆且径向转动被限位的第二轴套，第一轴套与第二轴套可伸缩连接。

Description

可折叠移动终端
本申请要求在2018年03月28日提交中国专利局、申请号为201810265296.8、公开名称为“一种可折叠移动终端”的中国专利申请的优先权，该申请的全部内容通过引用结合在本公开中。
技术领域
本公开涉及显示技术领域，特别是涉及一种可折叠移动终端。
背景技术
随着智能手机和移动互联网的快速发展，用户不再满足于对普通智能手机的需求。在手机的硬件配置越来越高，网速越来越快的同时，用户对手机屏幕的加大提出了越来越强烈的需求，大屏幕的手机对提升用户体验、改善视觉效果起到了很好的作用，尤其在商务沟通交流、玩游戏、看小说、看电影时更显方便。
目前，手机屏幕的加大主要通过可折叠的方式实现。现有可折叠手机通过转轴铰接上壳和下壳，上壳和下壳的活动夹角范围为0°～180°，。当上壳和下壳折叠时，贴附于上壳和下壳的折叠内侧面上的柔性屏随之折叠起来，便于用户携带；当上壳和下壳展开180°时，柔性屏随之展平，满足用户的大屏幕需求。用户对可折叠手机的更大展开角度的需求迫切，并且可折叠手机的折叠时安全性有待提高。
发明内容
本公开至少一实施例提供了一种可折叠移动终端，包括：
柔性屏，包括弯曲部和位于所述弯曲部两侧的第一平面部和第二平面部；
第一支撑壳体和第二支撑壳体，所述第一支撑壳体与所述第一平面部的背侧连接，所述第二支撑壳体与所述第二平面部的背侧连接；
多杆机构，位于所述弯曲部的背侧并与所述第一支撑壳体和所述第二支 撑壳体连接，包括并排相邻且沿弯曲部的弯曲轴线方向延伸的多根支撑杆，以及相邻两根支撑杆的同一端侧所对应设置的连接结构，其中：所述连接结构包括与所述相邻两根支撑杆中的其中一根支撑杆枢装且轴向移动被限位的第一轴套、安装于所述相邻两根支撑杆中的另一根支撑杆且径向转动被限位的第二轴套，所述第一轴套与所述第二轴套可伸缩连接。
例如，所述多杆机构被构成为当所述第一轴套相对于所述第二轴套旋转时形成容置空间，所述弯曲部容置于所述容置空间内。
例如，所述支撑杆的两端分别具有轴肩，所述轴肩用于对所述连接结构进行轴向限位。
例如，可折叠移动终端还包括设置于所述轴肩的端面与靠近所述轴肩的轴套之间的弹性阻尼片。
例如，所述第一轴套具有至少一个连接杆，所述第二轴套具有与所述至少一个连接杆一一对应设置的杆孔，或，所述第二轴套具有至少一个连接杆，所述第一轴套具有与所述至少一个连接杆一一对应设置的杆孔；所述连接杆能够在对应的所述杆孔内滑动伸缩，所述杆孔内设置有用于防止连接杆脱出的限位部。
例如，当所述第一轴套相对于所述第二轴套旋转时，相连接的所述第一轴套与所述第二轴套之间的间距改变。
例如，所述第一轴套的内侧壁面与对应的支撑杆之间设置有旋转位置锁定结构。
例如，所述旋转位置锁定结构包括设置于所述支撑杆上的多个限位凹坑，以及对应所述多个限位凹坑设置于所述第一轴套的内侧壁面上的多个限位凸起，或，所述旋转位置锁定结构包括设置于所述第一轴套的内侧壁面上的多个限位凹坑，以及对应所述多个限位凹坑设置于所述支撑杆上的多个限位凸起，所述多个限位凸起能够依次限位于所述多个限位凹坑内。
例如，所述第一支撑壳体靠近所述第二支撑壳体的端侧具有第一安装缺口，所述第二支撑壳体靠近所述第一支撑壳体的端侧具有第二安装缺口；所 述多杆机构靠近所述第一支撑壳体的支撑杆为第一支撑杆，所述第一支撑杆安装于所述第一安装缺口，所述多杆机构靠近所述第二支撑壳体的支撑杆为第二支撑杆，所述第二支撑杆安装于所述第二安装缺口。
例如，所述多杆机构除所述第一支撑杆以及所述第二支撑杆之外的其余支撑杆上包括成对设置的所述第一轴套和所述第二轴套，其中，所述第一轴套靠近所述第二轴套的端部具有止位部，所述第二轴套靠近所述第一轴套的端部设置有阻挡部，当所述可折叠移动终端折叠时，所述止位部以及所述阻挡部用于限定所述第一轴套和所述第二轴套的相对旋转角度。
例如，所述多杆机构包括的支撑杆的数量不小于5。
例如，可折叠移动终端还包括设置于所述多杆机构远离所述柔性屏一侧表面的保护盖板。
附图说明
图1为本公开一实施例可折叠移动终端的结构示意图；
图2为本公开另一实施例可折叠移动终端的结构示意图；
图3为本公开又一实施例可折叠移动终端的结构示意图；
图4为本公开一实施例可折叠移动终端对折状态的截面示意图；
图5为本公开另一实施例可折叠移动终端小角度展开状态的截面示意图；
图6为本公开又一实施例可折叠移动终端180°展开状态的截面示意图；
图7为本公开一实施例可折叠移动终端大角度展开状态的截面示意图；
图8为本公开另一实施例可折叠移动终端反向折叠状态的截面示意图；
图9为本公开一实施例可折叠移动终端中连接结构处的局部结构示意图；
图10为本公开一实施例的连接结构的结构示意图；
图11为本公开一实施例的第二轴套的结构示意图；
图12为本公开一实施例的成对设置的第一轴套和第二轴套的结构示意图。
具体实施方式
为增大可折叠移动终端的可折叠角度范围，减少柔性屏的断裂，延长可折叠移动终端的使用寿命，本公开实施例提供了一种可折叠移动终端。为使本公开的目的、技术方案和优点更加清楚，以下举实施例对本公开作进一步详细说明。
如图1至图9所示，其中，在图2的可折叠移动终端的结构示意图中隐藏了柔性屏，本公开实施例提供的可折叠移动终端，包括：
柔性屏1，包括弯曲部2和位于弯曲部两侧的第一平面部3和第二平面部4；
第一支撑壳体5和第二支撑壳体6，第一支撑壳体5与第一平面部3的背侧连接，第二支撑壳体6与第二平面部4的背侧连接；
多杆机构7，位于弯曲部2的背侧并与第一支撑壳体5和第二支撑壳体6连接，包括并排相邻且沿弯曲部2的弯曲轴线方向延伸的多根支撑杆8，以及相邻两根支撑杆8的同一端侧所对应设置的连接结构9，其中：连接结构9包括与相邻两根支撑杆中的其中一根支撑杆枢装且轴向移动被限位的第一轴套10、安装于相邻两根支撑杆中的另一根支撑杆且径向转动被限位的第二轴套11，第一轴套10与第二轴套11可伸缩连接。
在本公开上述实施例中，定义柔性屏展平显示时，靠近观看者的一侧为柔性屏的前侧，远离观看者的一侧为柔性屏的背侧。
其中，多杆机构的支撑杆的具体数量不限，可以根据可折叠移动终端的厚度和规格尺寸来具体确定。
如图1和图4所示，可折叠移动终端在对折时，第一支撑壳体5和第二支撑壳体6叠置，此时，柔性屏1的屏幕黑屏，移动终端处于关机或者待机的状态。当第一轴套10相对于第二轴套11旋转时，多杆机构7形成容置空间，柔性屏1的弯曲部2可收容于容置空间内，从而可以保持柔性屏1具有较大的弯曲半径。
如图4-图8所示，由于多杆机构7的支撑杆之间通过可伸缩连接的第一 轴套10与第二轴套11进行连接，在可移动终端折叠或展开的过程中，相连接的第一轴套10与第二轴套11之间的间距相应的变化，这样不仅可使可折叠移动终端具有0°～360°的可折叠角度，还可以大大减小柔性屏1因弯折角度过大而导致的断裂，大大提高了可折叠移动终端的使用寿命。
如图9所示，在本公开可选的实施例中，支撑杆的两端分别具有轴肩23，轴肩23用于对连接结构9进行轴向限位。
如图9所示，在本公开可选的实施例中，可折叠移动终端还包括设置于轴肩23的端面与靠近轴肩23的轴套之间的弹性阻尼片12。弹簧阻尼片12可以有效的提高对轴套的轴向运动的限制，从而增强第一轴套在旋转过程中的阻尼力，这样可以使可折叠移动终端在折叠到一定角度时，能够较为稳固的维持该折叠角度。每个位置设置的弹性阻尼片的具体数量不限，例如可以为两个，这样可以通过调整弹性阻尼片的数量来调节第一轴套在旋转过程中的旋转阻尼力。
如图10所示，在本公开一个可选的实施例中，第一轴套10具有至少一个连接杆13，第二轴套12具有与至少一个连接杆13一一对应设置的杆孔14，连接杆13能够在对应的杆孔14内滑动伸缩，杆孔14内设置有用于防止连接杆脱出的限位部(图中未示出)。其中，如图11所示，在本公开一个可选的实施例中，连接杆13也可以设置于第二轴套11，而与连接杆13一一对应的杆孔设置于第一轴套。
多根支撑杆之间通过轴套上的连接杆以及对应的杆孔连接，这样不仅使支撑杆的转动更加灵活，还可以在可折叠移动终端折叠或展开的过程中，对相邻支撑杆之间的间距进行调整，从而能够进一步有效的避免对柔性屏的挤压或者拉扯，避免损坏柔性屏，并且在连接杆与杆孔这一滑动副中设置限位结构，可以有效地避免可折叠移动终端在折叠的过程中，连接杆与杆孔相脱离，从而提高了多杆机构的结构稳定性。
在本公开另一个可选的实施例中，第一轴套的内侧壁面与对应的支撑杆之间设置有旋转位置锁定结构，如图10所示，旋转位置锁定结构包括设置于 支撑杆上的多个限位凹坑(图中未示出)，以及对应多个限位凹坑设置于第一轴套10的内侧壁面上的多个限位凸起15，多个限位凸起15能够依次限位于多个限位凹坑内。在本公开一个可选的实施例中，多个限位凸起也可以设置于支撑杆上，而多个限位凹坑设置于第一轴套的内侧壁面上，在上述实施例中，当用力旋转第一轴套时，第一轴套会相对支撑杆转动。
其中，旋转位置锁定结构的锁紧力与限位凹坑以及限位凸起的数量，以及限位凹坑与限位凸起的嵌入深度有关，通过选择不同的限位凹坑与限位凸起的参数，可以使不同的支撑杆和轴套按照预定的顺序依次旋转，从而使得可折叠移动终端在各折叠状态时，多杆机构处于较为理想的旋转状态，并且在多个限位凸起嵌入至多个限位凹坑时，由于摩擦力的存在，可以使第一轴套与支撑杆在一定扭转力范围内保持相对静止，从而使移动终端可以保持在对应的折叠角度。可选的，还可以在轴肩的端面与靠近轴肩的轴套之间设置弹性阻尼片，从而可以增强第一轴套在旋转过程中的阻尼力，这样可以使可折叠移动终端在折叠到一定角度时，能够进一步的提高维持该折叠角度的稳固性。
在本公开各实施例中，第二轴套与支撑杆的连接方式不限，如图11所示，可选的，第二轴套11与支撑杆的连接方式为花键联接，其中第二轴套11的内侧壁面设置有内花键22，而支撑杆上对应设置有外花键。
如图2所示，在本公开一可选的实施例中，第一支撑壳体5靠近第二支撑壳体6的端侧具有第一安装缺口16，第二支撑壳体6靠近第一支撑壳体5的端侧具有第二安装缺口17；多杆机构7靠近第一支撑壳体5的支撑杆为第一支撑杆18，第一支撑杆18安装于第一安装缺口16，多杆机构7靠近第二支撑壳体6的支撑杆为第二支撑杆19，第二支撑杆19安装于第二安装缺口17。这样便于支撑杆与支撑壳体进行安装，并使该可折叠移动终端的结构更加紧凑。
如图2和图12所示，在本公开可选的实施例中，多杆机构7除第一支撑杆18以及第二支撑杆19之外的其余支撑杆上包括成对设置的第一轴套10和 第二轴套11，其中，第一轴套10靠近第二轴套11的端部具有止位部20，第二轴套11靠近第一轴套10的端部设置有阻挡部21，当可折叠移动终端折叠时，止位部20以及阻挡部21用于限定第一轴套10和第二轴套11的相对旋转角度。具体的，当止位部20的中心角为α，阻挡部21的中心角为β时，第一轴套10与第二轴套11相对旋转的角度范围为[0，180°-α-β]。这样可以有效的避免多杆机构7在旋转的过程中会因为旋转角度不当而引起的变形，从而能够有效的避免柔性屏1的变形。
在本公开一可选的实施例中，多杆机构中的支撑杆的具体数量不限，当多杆机构包括的支撑杆的数量不小于5时，能够有效的增大可折叠移动终端在对折状态下，多根杆旋转所形成的容置空间的弯曲半径较大，从而有效的提高柔性屏的弯折顺畅度与适应性。
在本公开可选的实施例中，可折叠移动终端还包括设置于多杆机构远离柔性屏一侧表面的保护盖板。这样能够有效的避免多杆机构直接裸露而易被损坏，从而延长移动终端的使用寿命，并提高移动终端的美观度。
在本公开一具体的实施例中，如图4至图8所示，多杆机构包括五根支撑杆，图4为可折叠移动终端对折状态的结构示意图，此时柔性屏幕黑屏，移动终端处于关机或者待机状态，五杆机构的状态为：L 1＝L 4，L 2＝L 3，α 1＝α 3<180°，此时通过L 1和L 2，L 2和L 3以及L 3和L 4之间的旋转位置锁定结构使五杆机构处于较为理想的旋转状态，柔性屏的弯曲部2可收容于多杆机构7旋转形成的容置空间内，从而可以保持柔性屏具有较大的弯曲半径。
图5为可折叠移动终端的小角度展开状态的结构示意图，此时，α 1≤180°，α 2<180°，α 3≤180°；图6为可折叠移动终端的180°展开状态的结构示意图，此时，α 1＝α 2＝α 3＝180°；图7为可折叠移动终端的大角度展开状态的结构示意图，α 1>180°，α 2>180°，α 3>180°。
图8为可折叠移动终端的反向折叠状态的结构示意图，此时柔性屏屏幕根据需要实现半屏显示或者全屏显示，可折叠移动终端处于开机运行或者待机状态，五杆机构的状态为：L 1＝L 4，L 2＝L 3，α 1＝α 3>180°。
可折叠移动终端从图4所示状态展开至图8的过程中，理想状态下会存在L 1＝L 4，L 2＝L 3，但是L 1与L 4，以及L 2与L 3的长度一直在变化，而α 1、α 2、α 3逐渐增大，这样使得支撑壳体和五杆机构在该过程中总能与柔性屏的规格相适应，从而有效的减小了对柔性屏的损坏，进而延长了可折叠移动终端的使用寿命。
可折叠移动终端的具体类型不限，例如可以为可折叠的手机、笔记本电脑、电子书以及平板电脑等等。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (12)

  1. 一种可折叠移动终端，其中，包括：
    柔性屏，包括弯曲部和位于所述弯曲部两侧的第一平面部和第二平面部；
    第一支撑壳体和第二支撑壳体，所述第一支撑壳体与所述第一平面部的背侧连接，所述第二支撑壳体与所述第二平面部的背侧连接；
    多杆机构，位于所述弯曲部的背侧并与所述第一支撑壳体和所述第二支撑壳体连接，包括并排相邻且沿弯曲部的弯曲轴线方向延伸的多根支撑杆，以及相邻两根支撑杆的同一端侧所对应设置的连接结构，其中：所述连接结构包括与所述相邻两根支撑杆中的其中一根支撑杆枢装且轴向移动被限位的第一轴套、安装于所述相邻两根支撑杆中的另一根支撑杆且径向转动被限位的第二轴套，所述第一轴套与所述第二轴套可伸缩连接。
  2. 如权利要求1所述的可折叠移动终端，其中，所述多杆机构被构成为当所述第一轴套相对于所述第二轴套旋转时形成容置空间，所述弯曲部容置于所述容置空间内。
  3. 如权利要求1所述的可折叠移动终端，其中，所述支撑杆的两端分别具有轴肩，所述轴肩用于对所述连接结构进行轴向限位。
  4. 如权利要求3所述的可折叠移动终端，其中，还包括设置于所述轴肩的端面与靠近所述轴肩的轴套之间的弹性阻尼片。
  5. 如权利要求1所述的可折叠移动终端，其中，所述第一轴套具有至少一个连接杆，所述第二轴套具有与所述至少一个连接杆一一对应设置的杆孔，或，所述第二轴套具有至少一个连接杆，所述第一轴套具有与所述至少一个连接杆一一对应设置的杆孔；所述连接杆能够在对应的所述杆孔内滑动伸缩，所述杆孔内设置有用于防止连接杆脱出的限位部。
  6. 如权利要求1所述的可折叠移动终端，其中，当所述第一轴套相对于所述第二轴套旋转时，相连接的所述第一轴套与所述第二轴套之间的间距改变。
  7. 如权利要求1所述的可折叠移动终端，其中，所述第一轴套的内侧壁面与对应的支撑杆之间设置有旋转位置锁定结构。
  8. 如权利要求7所述的可折叠移动终端，其中，所述旋转位置锁定结构包括设置于所述支撑杆上的多个限位凹坑，以及对应所述多个限位凹坑设置于所述第一轴套的内侧壁面上的多个限位凸起，或，所述旋转位置锁定结构包括设置于所述第一轴套的内侧壁面上的多个限位凹坑，以及对应所述多个限位凹坑设置于所述支撑杆上的多个限位凸起，所述多个限位凸起能够依次限位于所述多个限位凹坑内。
  9. 如权利要求1所述的可折叠移动终端，其中，所述第一支撑壳体靠近所述第二支撑壳体的端侧具有第一安装缺口，所述第二支撑壳体靠近所述第一支撑壳体的端侧具有第二安装缺口；所述多杆机构靠近所述第一支撑壳体的支撑杆为第一支撑杆，所述第一支撑杆安装于所述第一安装缺口，所述多杆机构靠近所述第二支撑壳体的支撑杆为第二支撑杆，所述第二支撑杆安装于所述第二安装缺口。
  10. 如权利要求9所述的可折叠移动终端，其中，所述多杆机构除所述第一支撑杆以及所述第二支撑杆之外的其余支撑杆上包括成对设置的所述第一轴套和所述第二轴套，其中，所述第一轴套靠近所述第二轴套的端部具有止位部，所述第二轴套靠近所述第一轴套的端部设置有阻挡部，当所述可折叠移动终端折叠时，所述止位部以及所述阻挡部用于限定所述第一轴套和所述第二轴套的相对旋转角度。
  11. 如权利要求1所述的可折叠移动终端，其中，所述多杆机构包括的支撑杆的数量不小于5。
  12. 如权利要求1～11任一项所述的可折叠移动终端，其中，还包括设置于所述多杆机构远离所述柔性屏一侧表面的保护盖板。
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