WO2019024044A1 - 折叠机构及终端 - Google Patents

折叠机构及终端 Download PDF

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Publication number
WO2019024044A1
WO2019024044A1 PCT/CN2017/095824 CN2017095824W WO2019024044A1 WO 2019024044 A1 WO2019024044 A1 WO 2019024044A1 CN 2017095824 W CN2017095824 W CN 2017095824W WO 2019024044 A1 WO2019024044 A1 WO 2019024044A1
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WO
WIPO (PCT)
Prior art keywords
connecting rods
folding mechanism
flexible
support body
positioning
Prior art date
Application number
PCT/CN2017/095824
Other languages
English (en)
French (fr)
Inventor
张强
陈松亚
杨松龄
Original Assignee
深圳市柔宇科技有限公司
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 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to PCT/CN2017/095824 priority Critical patent/WO2019024044A1/zh
Priority to CN201780092093.7A priority patent/CN110809794A/zh
Publication of WO2019024044A1 publication Critical patent/WO2019024044A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/16—Mounting supporting structure in casing or on frame or rack on hinges or pivots

Definitions

  • the present invention relates to the field of terminal equipment technologies, and in particular, to a folding mechanism and a terminal.
  • some existing mobile phones or notebook computers adopt full-screen settings, such as a notebook computer, including a two-part main body over the column to realize folding and opening, and the screen is also respectively disposed on the two parts of the main body. Operation and display, although the full screen setting is adopted, the display performance of the large screen cannot be achieved because the screen is connected in two ways.
  • Embodiments of the present invention provide a folding mechanism and a terminal that can realize bending of a screen.
  • a folding mechanism according to the present invention is applied to a terminal having a flexible screen, the folding mechanism includes a first support body, a second support body and a bent portion, and the bent portion is coupled to the first support body And the second support body to achieve the folding of the first support body relative to the second support body;
  • the bent portion includes a flexible support plate and n connecting rods arranged side by side, an outer surface of the flexible support plate is used for carrying the flexible screen, and the first surfaces of the n connecting rods are collectively formed for carrying flexibility a bearing surface of the support plate, and the first surfaces of the n connecting rods are sequentially fixed on the inner surface of the flexible supporting plate, and a gap is provided between any two adjacent connecting rods of the n connecting rods And the gap is gradually reduced by the width of the connecting rod toward the flexible support plate,
  • the length of the flexible support plate is constant during the bending process.
  • the flexible support plate bends to move the n connecting rods closer to each other, and the gap between any two connecting rods is reduced.
  • the length after bending of the bearing surface is equal to the length when the bearing surface is flattened, wherein n is a natural number greater than or equal to 1.
  • the present invention provides a terminal including a folding mechanism and a flexible screen, the flexible screen being fixed on the first support body and the second support body, the flexible support plate supporting a bending area of the flexible screen .
  • the folding mechanism of the present invention is fixed by a flexible support plate of constant length during the bending process Connecting a plurality of connecting rods, the gap between each two connecting rods is shortened after the bending portion is bent, and the length of the bearing surface formed by the plurality of connecting rods is the same as the length of the bearing surface when the bent portion is flattened. Further, the bending portion of the flexible screen fixed to the folding mechanism when being bent is not stretched by the bent portion of the folding mechanism, that is, it is not stretched by an external force, thereby avoiding damage to the flexible screen.
  • FIG. 1 is a schematic structural view of a folding mechanism provided by the present invention.
  • FIG. 2 is a schematic structural view of a side view of the folding mechanism shown in FIG. 1.
  • Fig. 3 is a schematic cross-sectional view showing an embodiment of the folding mechanism of Fig. 2 having a stopper.
  • Fig. 4 is a schematic view showing the folded state of the folding mechanism shown in Fig. 3.
  • Figure 5 is a top plan view of the folding mechanism of Figure 1 without the flexible support plate.
  • Fig. 6 is a partial enlarged view of the folding mechanism shown in Fig. 5.
  • Figure 7 is a schematic view showing the structure of the folding mechanism shown in Figure 2 with a side view of the positioning member.
  • Fig. 8 is a partial enlarged view of the folding mechanism shown in Fig. 7.
  • Figure 9 is a side elevational view showing the folding mechanism of Figure 7 in a folded state.
  • Figure 10 is a partial enlarged view of the folding mechanism shown in Figure 9.
  • FIG. 11 is a schematic structural diagram of a terminal according to the present invention.
  • Embodiments of the present invention provide a folding mechanism and a terminal having the folding mechanism.
  • the folding mechanism supports a flexible screen of the terminal.
  • the terminal may be a tablet computer, a mobile phone, a flexible display, an electronic reader, a remote controller, a personal computer (PC), a notebook computer, an in-vehicle device, a network television, a wearable device, or the like.
  • a tablet computer is taken as an example for description.
  • the folding mechanism includes a first support body 11 , a second support body 12 and a bent portion 15 .
  • the bent portion 15 is connected between the first support body 11 and the second support body 12 to fold the first support body 11 relative to the second support body 12 .
  • the bending portion 15 includes a flexible supporting plate 17 and n connecting rods 16 arranged side by side, and an outer surface 171 of the flexible supporting plate 17 is used for carrying the flexible screen, the n
  • the first surface 161 of the connecting rod 16 collectively forms a bearing surface 160 for carrying the flexible supporting plate 17, and the first surface 161 of the n connecting rods 16 is sequentially fixed to the inner surface 172 of the flexible supporting plate 17,
  • a gap S is provided between any two adjacent connecting rods 16 of the n connecting rods 16, and the gap S is gradually reduced in width from the connecting rod 16 toward the flexible supporting plate 17, wherein , n is a natural number greater than or equal to 1.
  • the length of the flexible support plate 17 is constant during the bending process.
  • the flexible support plate 17 bends to move the n connecting rods 16 relative to each other, and any two connecting rods 16
  • the gap S is narrowed so that the length after bending of the bearing surface 160 is equal to the length when the bearing surface 160 is flattened.
  • the flexible support plate 17 is a flexible stainless steel, carbon fiber composite material, and a plate body made of one material of Kevlar.
  • the flexible support plate 17 is a flexible stainless steel plate body, and opposite sides thereof are respectively connected to the first support plate 11 and the second support plate 12.
  • the two ends of the flexible support plate 17 are connected to the first support plate 11 and the second support plate 12 in a stacked manner, and the connection area is large to ensure the support stability of the flexible support plate 17.
  • the bent portion 15 is bent, the n connecting rods 16 are not separated and can be bent in an arc shape.
  • An outer surface 171 of the flexible support plate 17 is fixedly coupled to the first surface 161 of each of the connecting rods 16 to movably connect between the first surfaces 161 of any two adjacent connecting rods 16, the bearing
  • the face 160 is formed by the first surface 161 of the n connecting rods 16 and is located between the first support plate 11 and the second support plate 12.
  • the flexible support plate 17 of the present embodiment is fixed to each of the connecting rods 16 by welding.
  • each of the two first surfaces 161 may be connected by a flexible body (such as rubber, cloth, etc.) or by a hinge.
  • the folding mechanism is fixedly connected to the plurality of connecting rods 16 by the flexible supporting plate 17 having the same length during the bending process, and the gap between the two connecting rods 16 is shortened after the bending portion 15 is bent.
  • the length of the bearing surface 160 formed by the plurality of connecting rods 16 is the same as the length of the bearing surface 160 when the bent portion 15 is flattened, so that the bending portion of the flexible screen fixed to the folding mechanism when folded is not folded.
  • the bent portion is stretched, that is, it is not stretched by an external force to avoid damaging the flexible screen.
  • each of the connecting rods 16 includes the first surface 161 and a second surface 162 disposed opposite to the first surface 161 , and the first supporting body 11 is opposite to the second supporting body.
  • the width of the first surface 161 in the direction of extension 12 is greater than the width of the second surface 162.
  • the n connecting rods 16 are independently provided.
  • the width of the gap S is gradually decreased from the second surface 162 toward the first surface 161.
  • the gap S is substantially V-shaped, and the gap S is equally spaced every two first surfaces. 161.
  • the connecting rod 16 is an elongated rod body having a substantially trapezoidal cross section.
  • the second surface 162 is a trapezoidal upper bottom edge
  • the first surface 161 is a trapezoidal lower bottom edge.
  • Each of the connecting rods 16 includes two opposite side faces 163 that connect the first surface 161 and the second surface 162.
  • the connecting rods 16 are arranged side by side and are movably connected in sequence, the sides of two adjacent connecting rods 16 are opposite, and the gap S is located between the sides of two adjacent connecting rods 16. Referring to the bent state of FIG. 4, when the flexible support plate 17 is bent, the flexible support plate 17 is bent without extending in the bending direction, and the connecting rod 16 is provided with one side of the first surface 161.
  • the bending trajectory of the moving flexible support plate 17 is not elongated, and the gap S between the two connecting rods 16 provides a moving space to become smaller, while the n connecting rods 16 move closer to each other while the second surface 162 is mutually Connect until the bend is complete.
  • the plurality of first surfaces 1631 are sequentially brought into contact with the connecting surface to form an arcuate bearing surface.
  • the connecting rod 16 is fully deployed, and the plurality of first surfaces 161 are coplanar to form the plane bearing surface.
  • the n connecting rods 16 may be integral, and the first surfaces 161 of the connecting rods 16 are movably connected, and the gap S does not penetrate the two adjacent first surfaces.
  • a limit portion 18 is connected between any two adjacent connecting rods 16 , and the limiting portion 18 is used to limit the bending portion 15 . Bending direction.
  • the limiting portion 18 includes a limiting protrusion 181 and a limiting slot 182.
  • the limiting groove 182 is disposed on one side 163 of each of the connecting rods 16 except the connecting rod 16 connected to the first supporting body 11 in the n connecting rods 16 , the limit The bit groove 182 is recessed into the connecting rod 16.
  • each of the connecting rods 16 except the connecting rod 16 connected to the second supporting body 12 is provided with a limiting protrusion 181, and the n connection
  • the limiting projections 181 of the rod 16 extend in the same direction.
  • Each of the two adjacent connecting rods 16 of the n-connecting rod 16 is inserted into the limiting slot 182 through the limiting protrusion 166, and is used to limit the bending of the bending portion 15 during the bending of the bending portion 15 Folding direction so that the bent portion 15 can only be directed to the bearing surface 150 The direction is bent to prevent reverse bending.
  • the limiting slot 182 includes a slot bottom wall 183 and a slot sidewall 184 , and the slot sidewall 184 is located on a side of the limiting slot 182 adjacent to the first surface 161 .
  • the first connecting rod 16 is provided with the limiting protrusion 181, and the second connection adjacent to the first connecting rod 16
  • the position of the rod 16 facing the limiting protrusion 181 is a limiting slot 182
  • the first connecting rod 16 is connected to the second connecting rod 16
  • the limiting protrusion 181 is inserted into the limiting slot 182
  • the A certain movement space is reserved between the limiting protrusion 181 and the groove bottom wall 183 of the limiting groove 182, and the limiting protrusion 181 is abutted against the groove side wall 184.
  • the folding mechanism further includes a positioning member 19 bent along the bent portion, and each of the connecting rods 16 includes a connection with the first surface 161. And the end faces 164 of the two side faces 163, and the end faces 164 of each of the connecting rods 16 are convexly provided with protrusions 168.
  • the positioning sleeve 19 is disposed on the protruding post 168 of the n connecting rods 16 , and the bending angle of the bending portion 15 is located by the positioning member 19 itself and the frictional force between the positioning member and the protruding post 168 . .
  • the positioning members 19 are two, one of the positioning members 19 is connected to one end surface 164 of the n connecting rods 16 and the other is connected to the connecting rods 16 .
  • the other end face 164 is also oriented.
  • the positioning member 19 includes n-1 positioning bodies 191.
  • the protruding columns of the n connecting rods 16 are divided into first protruding columns 168a, second protruding columns 168b and third protruding columns 168c.
  • One end of any two adjacent positioning bodies 191 is sleeved on the second protrusion 168b, and the other ends of the two positioning bodies 191 are respectively sleeved on the first protrusion 168a and the third protrusion On 168c.
  • the connection relationship between the n pillars and the n-1 positioning bodies 191 is similar.
  • the positioning body 191 is provided with a curved sliding slot 192, and the positioning body 191 is sleeved on the protruding post 168 through the two ends of the sliding slot 192;
  • the positioning body 191 is substantially arcuate in shape, and the sliding slot 192 includes a first end 193 and a second end 194 opposite to the first end 193.
  • the 192 and the second end 194 are curved.
  • Two end positions, two protrusions 168 in the same positioning body 191 are respectively located at the first end 193 and the second end 194 position.
  • the connecting rod 16 is pulled by a pulling force opposite to the bending direction, and the connecting rod 16 is provided with a side of the first surface 161 to move in the pulling direction, and the two connecting rods 16 are
  • the curved moving trajectories are relatively close together, and the two protruding posts 168 are opposite in the sliding slot 192 of the positioning body.
  • the same protruding post 168 is sleeved with two positioning bodies 191, and the friction between the two positioning bodies 191 and the positioning.
  • the friction between the body 191 and the stud 168 can define the rotational position of the connecting rod 16, thereby defining the bending angle of the bent portion 15, so that the first support 11 and the second support 12 are positioned at an angle.
  • the positioning body 191 may be a strip-shaped sheet, and the two ends of each positioning body 191 are provided with a through groove, and the positioning body 191 is sleeved on the protruding post 168 through the through groove.
  • each of the studs 168 is provided with a protective plate 169, and the protective plates 169 of the studs 168 of the n connecting rods 16 are staggered along the axial direction.
  • the protective plate 169 is a rectangular plate body having a shape and an area substantially the same as the shape and size of the end surface of the connecting body 16 for shielding the connecting rod end.
  • the protective plates 169 on the n-pillars 168 are located in the same plane at a single position, and are located in the same plane at the double-numbered positions, and the two planes are parallel.
  • the first support body 11 and the second support body 12 are rectangular hollow shells, and may also be a plate body.
  • the first support body 11 and the second support body are determined according to design requirements.
  • 12 internal can be used to house power and circuit board light devices.
  • a power source is disposed in the first support body 11 or the second support body 12;
  • a circuit board connected to the power source is disposed in the second support body 12 or the first support body 11.
  • the power source and circuit board are electrically connected to a flexible screen using the folding mechanism.
  • the outermost two of the n connecting rods 16 of the bent portion 15 are respectively connected to one side of the first supporting body 11 and one side of the second supporting body 12, and the fixing manner may be welding or embedding. .
  • the first support body 11 and the second support body 12 may be supported by a material such as plastic or metal.
  • the first support body 11 includes a first surface 111
  • the second support plate 12 includes a second surface 121. It should be noted that the first surface 111 and the second surface 121 may form a plane and face the same, the flexibility.
  • the outer surface 171 of the support plate 17 faces the same as the first surface 111 and the second surface 121 to jointly support the flexible screen.
  • an embodiment of the present invention further provides a terminal 100 including the folding mechanism 50 and a flexible screen 60 .
  • the flexible screen 60 is fixed to the first surface 111 of the first support 11 and
  • the flexible support plate 17 supports the bent region of the flexible screen 60 on the second surface 121 of the second support body 12.
  • the flexible screen 60 is electrically connected to the circuit board.
  • the flexible support plate 17 is bent to press a plurality of the connecting rods 16 in a bending direction, and the gap S provides a moving space to become smaller, and the n connecting rods 16 move closer to each other until the plurality of first surfaces 161 are formed.
  • the curved bearing surface since the size of the bearing surface 160 after bending is smaller than that in the flattened state, the bending portion 15 does not cause the first supporting body 11 and the second supporting body 12 in the bending process A pulling force is generated to stretch the flexible screen 60 to avoid damage to the flexible screen 60 and to ensure display function.

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Telephone Set Structure (AREA)

Abstract

一种折叠机构及具备该折叠结构的终端，该折叠机构包括第一支撑体（11）、第二支撑体（12）及弯折部（15），弯折部（15）连接于第一支撑体（11）与第二支撑体（12）之间，以实现第一支撑体（11）相对第二支撑体（12）的翻折；弯折部（15）包括柔性支撑板（17）及n个并排设置的连接杆（16），柔性支撑板（17）的外表面（171）用于承载柔性屏，n个连接杆（16）的第一表面（161）共同形成用于承载柔性支撑板（17）的承载面（160），并且n个连接杆（16）的第一表面（161）依次固定于柔性支撑板（17）的内表面上，n个连接杆（16）中任意两个相邻的连接杆（16）之间设有间隙（S），并且该间隙（S）由连接杆（16）向柔性支撑板（17）方向的宽度逐渐减小，柔性支撑板（17）弯折过程中长度不变，弯折部（15）弯折时，柔性支撑板（17）弯折带动n个连接杆（16）相互靠拢，任意两个连接杆（16）之间的间隙缩小，以使在承载面（160）弯折后的长度等于承载面（160）展平时的长度。

Description

折叠机构及终端 技术领域
本发明涉及终端设备技术领域，尤其涉及一种折叠机构及终端。
背景技术
现有的部分手机或者笔记本电脑为了提高操作性能及观看性能，采用全屏设置，比如笔记本电脑，包括两部分主体过凸柱方式连接实现折叠及打开，而屏幕也是分别设于两部分主体上用于操作和显示，虽然采用全屏幕设置，但由于凸柱连接方式使屏幕分为两部分，无法实现大屏幕的显示性能。
发明内容
本发明实施例提供一种可以实现屏幕弯折的折叠机构以及终端。
本发明所述的一种折叠机构，应用于具有柔性屏的终端，所述折叠机构包括第一支撑体、第二支撑体及弯折部，所述弯折部连接于所述第一支撑体与第二支撑体之间，以实现所述第一支撑体相对第二支撑体的翻折；
所述弯折部包括柔性支撑板及n个并排设置的连接杆，所述柔性支撑板的外表面用于承载所述柔性屏，所述n个连接杆的第一表面共同形成用于承载柔性支撑板的承载面，并且所述n个连接杆的第一表面依次固定于所述柔性支撑板的内表面上，所述n个连接杆中任意两个相邻的连接杆之间设有间隙，并且所述间隙由所述连接杆向所述柔性支撑板方向的宽度逐渐减小，
所述柔性支撑板弯折过程中长度不变，所述弯折部弯折时，所述柔性支撑板弯折带动所述n个连接杆相互靠拢，任意两个连接杆之间的间隙缩小，以使在所述承载面弯折后的长度等于所述承载面展平时的长度，其中，n为大于等于1的自然数。
本发明提供一种终端，其包括折叠机构和柔性屏，所述柔性屏固定于所述第一支撑体和所述第二支撑体上，所述柔性支撑版支撑所述柔性屏的弯折区域。
本发明所述的折叠机构通过所述弯折过程中长度不变的柔性支撑板固定 连接数个连接杆，所述弯折部弯折后每两个连接杆之间的间隙变小，数个连接杆形成的承载面的长度与所述弯折部展平时承载面的长度相同，进而使固定于该折叠机构的柔性屏在弯折时的弯折区域不被折叠机构的弯折部所拉伸，即不会受到外力拉伸，避免损坏柔性屏。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明提供的折叠机构的结构示意图。
图2为图1所示的折叠机构的侧面视角的结构示意图。
图3为图2所示的折叠机构的具有限位部的一实施例的截面示意图。
图4为图3所示的折叠机构的弯折状态示意图。
图5为图1所示的折叠机构的俯视图，其中不包括柔性支撑板。
图6为图5所示的折叠机构的局部放大图。
图7为图2所示的折叠机构的具有定位件的侧面视角的结构示意图。
图8为图7所示的折叠机构的局部放大图。
图9为图7所示的折叠机构的弯折状态侧面示意图。
图10为图9所示的折叠机构的局部放大图。
图11为本发明的终端结构示意图。
具体实施方式
下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述。
本发明实施例提供一种折叠机构及具有所述折叠机构的终端。所述折叠机构支撑所述终端的柔性屏幕。所述终端可以是平板电脑、手机、柔性显示器、电子阅读器、遥控器、个人计算机(Personal Computer，PC)、笔记本电脑、车载设备、网络电视、可穿戴设备等。本实施例中，以平板电脑为例进行说明。
请一并参阅图1与图2，所述折叠机构包括第一支撑体11、第二支撑体12及弯折部15。所述弯折部15连接于所述第一支撑体11与第二支撑体12之间，以实现所述第一支撑体11相对第二支撑体12的翻折。
请一并参阅图3，所述弯折部15包括柔性支撑板17及n个并排设置的连接杆16，所述柔性支撑板17的外表面171用于承载所述柔性屏，所述n个连接杆16的第一表面161共同形成用于承载柔性支撑板17的承载面160，并且所述n个连接杆16的第一表面161依次固定于所述柔性支撑板17的内表面172上，所述n个连接杆16中任意两个相邻的连接杆16之间设有间隙S，并且所述间隙S由所述连接杆16向所述柔性支撑板17方向的宽度逐渐减小，其中，n为大于等于1的自然数。
所述柔性支撑板17弯折过程中长度不变，所述弯折部15弯折时，所述柔性支撑板17弯折带动所述n个连接杆16相对移动，任意两个连接杆16之间的间隙S缩小，以使在所述承载面160弯折后的长度等于所述承载面160展平时的长度。
所述柔性支撑板17为柔性的不锈钢、碳纤维复合材料，凯夫拉中的一种材料制成的板体。本实施例中，所述柔性支撑板17为柔性的不锈钢制成的板体，其相对两侧分别与所述第一支撑板11及第二支撑板12连接。本实施例中，柔性支撑板17两端与第一支撑板11及第二支撑板12层叠式连接，连接面积较大可以保证柔性支撑版17的支撑稳定性。在所述弯折部15弯折时，n个连接杆16不会分离而且可以呈弧形弯折。所述柔性支撑板17的外表面171固定连接于每一个所述连接杆16的第一表面161，使任意两个相邻的连接杆16的的第一表面161之间活动连接，所述承载面160由n个连接杆16的第一表面161共同构成，并且位于第一支撑板11与第二支撑板12之间。本实施例所述柔性支撑板17是通过焊接方式与每一个连接杆16固定。当然，无论是否设置所述柔性支撑板17，每两个所述第一表面161之间可以通过柔性体(如橡胶，布料等)连接，或者通过折页连接。
所述的折叠机构通过所述弯折过程中长度不变的柔性支撑板17固定连接数个连接杆16，所述弯折部15弯折后每两个连接杆16之间的间隙变小，数个连接杆16形成的承载面160的长度与所述弯折部15展平时承载面160的长度相同，进而使固定于该折叠机构的柔性屏在弯折时的弯折区域不被折叠机构 的弯折部所拉伸，即不会受到外力拉伸，避免损坏柔性屏。
请参阅图2，本实施例中，每一所述连接杆16包括所述第一表面161和与第一表面161相对设置的第二表面162，所述第一支撑体11向第二支撑体12延伸的方向上所述第一表面161的宽度大于第二表面162的宽度。本实施例中，n个连接杆16是独立设置的。所述间隙S的宽度由所述第二表面162向所述第一表面161方向的逐渐减小，本实施例中间隙S大致为V型，所述间隙S同样间隔了每两个第一表面161。具体的，所述连接杆16为长条杆体，其横截面大致呈梯形。所述第二表面162为梯形的上底边，所述第一表面161为梯形的下底边。每一所述连接杆16包括连接所述第一表面161和第二表面162的两个相对的侧面163。n所述连接杆16并排设置并依次活动连接，两个相邻的连接杆16的侧面相对，间隙S位于两个相邻的连接杆16的侧面之间。可以参阅图4的弯折状态，在所述柔性支撑板17弯折时，柔性支撑板17弯折时不发生弯折方向的延伸，，连接杆16设有第一表面161的一侧随着移动柔性支撑板17的弯折轨迹移动并不会被拉长，而两个连接杆16之间间隙S提供移动空间而变小，同时n个连接杆16相互移动靠拢，同时第二表面162相互连接直至弯折完成。所述多个第一表面1631随着连接杆16依次靠近连接形成弧形的所述承载面。当折叠机构展平时，所述连接杆16完全展开，所述多个第一表面161共面形成平面的所述承载面。其他实施例中，n个连接杆16可以是一体的，那么个连接杆16的第一表面161活动连接，所述间隙S并未贯穿两个相邻的第一表面。
请参阅图3与图4，在上述实施例基础上，任意两个相邻的所述连接杆16之间连接有限位部18，所述限位部18用于限制所述弯折部15的弯折方向。本实施例中，所述限位部18包括设于限位凸起181和限位槽182。所述n个连接杆16中除去一个与所述第一支撑体11连接的连接杆16之外的每一所述连接杆16的一个侧面163上设有所述限位槽182，所述限位槽182向所述连接杆16内凹设形成。所述n个连接杆16中除去一个与所述第二支撑体12连接的连接杆16之外的每一所述连接杆16的另一个侧面163设有限位凸起181，并且所述n连接杆16的限位凸起181延伸方向相同。所述n连接杆16中每两个相邻的所述连接杆16通过限位凸166起与限位槽182插接，在弯折部15弯折过程中，用以限制弯折部15弯折方向，使弯折部15只能向承载面150 方向弯折防止反向弯折。
具体的，所述限位槽182包括槽底壁183和槽侧壁184，所述槽侧壁184位于限位槽182靠近第一表面161的一侧。以装于第一承载体11的连接杆16为第一个开始，该第一个连接杆16设有所述限位凸起181，与该第一个连接杆16相邻的第二个连接杆16上朝向所述限位凸起181的是限位槽182，第一个连接杆16与第二个连接杆16连接，限位凸起181插接于限位槽182内，并且所述限位凸起181与限位槽182的槽底壁183之间预留一定的移动空间，限位凸起181与槽侧壁184抵持，在所述弯折部15弯折过程中，两个连接杆16相互靠近，限位凸起181沿着槽侧壁184向限位槽182内移动。如果所述弯折部15弯折方向是朝向柔性连接面151的，那么槽侧壁184限制限位凸起181滑出限位槽，进而限制了弯折部15的弯折。
请参阅图5与图6，在上述实施例基础上，所述折叠机构还包括随着所述弯折部弯折的定位件19，每一所述连接杆16包括连接所述第一表面161和两个侧面163的端面164，每一个所述连接杆16的端面164上均凸设有凸柱168。所述定位件套19设于所述n个连接杆16的的凸柱168上，通过定位件19自身以及定位件与凸柱168之间的摩擦力定位所述弯折部15的弯折角度。
请一一并参阅图7与图8，具体的，所述定位件19为两个，一个所述定位件19连接n个连接杆16同样朝向的一端面164；另一个连接n个连接杆16同样朝向的另个端面164。
所述定位件19包括n-1个定位体191。为了更清楚说明限位体与凸柱的关系，所述n个连接杆16的凸柱分为依次排列的第一凸柱168a、第二凸柱168b及第三凸柱168c。任意两个相邻的所述定位体191的一端同时套于所述第二凸柱168b上，且该两个定位体191的另一端分别套于第一凸柱168a与所述第三凸柱上168c。n个凸柱与n-1个定位体191的连接关系以此类推。
如图9和图10，本实施例中，所述定位体191设有弧形的滑槽192，所述定位体191通过所述滑槽192的两端套于所述凸柱168上；在所述弯折部15弯折时，同一个定位体191内的两个凸柱168在所述该定位体的滑槽192内相对滑动。具体的，所述定位体191大致为弧形环状，所述滑槽192包括第一端193和与第一端193相对的第二端194，所述192和第二端194为弧形的两个端位置，同一个定位体191内的两个凸柱168分别位于第一端193与第二端 194位置。在所述柔性支撑板17弯折时以与弯折方向相反的拉力拉动所述连接杆16，连接杆16设有第一表面161的一侧向该拉力方向移动，而两个连接杆16以弧形的移动轨迹相对靠拢，两个凸柱168在该定位体的滑槽192内相对，同一个凸柱168上套有两个定位体191，两个定位体191之间的摩擦力以及定位体191与凸柱168之间的摩擦力可以限定连接杆16的转动位置，进而限定弯折部15的弯折角度，使第一支撑体11与第二支撑体12呈一角度定位。其他实施例中，所述定位体191可以为条形片体，每个定位体191的两端设有通槽，所述定位体191通过所述通槽套于所述凸柱168上。
本实施例中，如图1和图6所示，所述每一个凸柱168的自由端设有一个保护板169，n个连接杆16的凸柱168的保护板169沿着轴向前后交错设置。所述保护板169为矩形板体，其形状和面积与所述连接体16的端面的形状和尺寸大致相同，用于遮挡所述连接杆端部。n个凸柱168上的保护板169位于单数位置的位于同一平面，位于双数位置的位于同一平面，两个平面平行。
本实施例中，所述第一支撑体11与第二支撑体12为矩形的中空壳体，也可以是板体，根据设计需要来确定，所述第一支撑体11与第二支撑体12内部可以用于收容电源、电路板灯器件。本实施例中，所述第一支撑体11或所述第二支撑体12内设有电源；所述第二支撑体12或所述第一支撑体11内设有与电源连接的线路板。所述电源和线路板与使用该折叠机构的柔性屏电连接。所述弯折部15的n个连接杆16中最外侧的两个分别连接所述第一支撑体11的一侧边和第二支撑体12的一侧边，固定方式可以为焊接或者嵌设。所述第一支撑体11与第二支撑体12可以是塑料、金属等材质支撑。所述第一支撑体11包括第一表面111，所述第二支撑板12包括第二表面121，需要说明的是第一表面111与第二表面121可构成一平面并且朝向相同，所述柔性支撑板17的外表面171与所述第一表面111与第二表面121朝向相同，共同支撑柔性屏。
请参阅图11，本发明实施例还提供一种终端100，其包括所述的折叠机构50和柔性屏60，所述柔性屏60固定于所述第一支撑体11的第一表面111与和所述第二支撑体12的第二表面121上，所述柔性支撑板17支撑所述柔性屏60的弯折区域。所述柔性屏60与所述线路板电连接。
当所述终端弯折时，所述第一支撑体11与第二支撑体13相对翻折，带动 所述柔性支撑板17弯折，向弯折方向挤压数个所述连接杆16，间隙S提供移动空间而变小，同时n个连接杆16相互移动靠拢，直至数个第一表面161形成弧形的承载面；由于承载面160弯折后的尺寸相较于展平状态下的尺寸缩小，在弯折程中，弯折部15并没有使第一支撑体11和第二支撑体12产生拉扯力去拉伸柔性屏60，避免损坏柔性屏60而保证显示功能。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (12)

  1. 一种折叠机构，其特征在于，所述折叠机构包括第一支撑体、第二支撑体及弯折部，所述弯折部连接于所述第一支撑体与第二支撑体之间，以实现所述第一支撑体相对第二支撑体的翻折；
    所述弯折部包括柔性支撑板及n个并排设置的连接杆，所述柔性支撑板的外表面用于承载所述柔性屏，所述n个连接杆的第一表面共同形成用于承载柔性支撑板的承载面，并且所述n个连接杆的第一表面依次固定于所述柔性支撑板的表面上，所述n个连接杆中任意两个相邻的连接杆之间设有间隙，并且所述间隙由所述连接杆向所述柔性支撑板方向的宽度逐渐减小，
    所述柔性支撑板弯折过程中长度不变，所述弯折部弯折时，所述柔性支撑板弯折带动所述n个连接杆相互靠拢，任意两个连接杆之间的间隙缩小，以使在所述承载面弯折后的长度等于所述承载面展平时的长度，其中，n为大于等于1的自然数。
  2. 如权利要求1所述折叠机构，其特征在于，所述柔性支撑板为柔性的不锈钢、碳纤维复合材料，凯夫拉中的一种材料制成的板体。
  3. 如权利要求2所述折叠机构，其特征在于，任意两个相邻的连接杆之间通过限位部活动连接，所述限位部用于限制所述弯折部的弯折方向。
  4. 如权利要求3所述折叠机构，其特征在于，所述限位部包括设于限位凸起和限位槽，每一所述连接杆包括连接所述第一表面和第二表面的两个相对的侧面，
    所述n个连接杆中除去一个与所述第一支撑体连接的连接杆之外的每一所述连接杆的一个侧面上设有所述限位槽，
    所述n个连接杆中除去一个与所述第二支撑体连接的连接杆之外的每一所述连接杆的另一个侧面设有所述限位凸起；
    所述n连接杆中任意两个相邻的所述连接杆通过限位凸起与限位槽插接，并且所述n连接杆的限位凸起延伸方向相同。
  5. 如权利要求2或4所述折叠机构，其特征在于，所述折叠机构还包括随着所述弯折部弯折的定位件，每一所述连接杆包括连接所述第一表面和第二表面的端面，每一个所述连接杆的端面上均设有凸柱；
    所述定位件套设于所述n个连接杆的的凸柱上，通过定位件自身以及定位件与凸柱之间的摩擦力定位所述弯折部的弯折角度。
  6. 如权利要求5所述折叠机构，其特征在于，所述定位件包括n-1个定位体；所述n个连接杆的凸柱包括依次排列的第一凸柱、第二凸柱及第三凸柱任意两个相邻的所述定位体的一端同时套于所述第二凸柱上，且该两个定位体的另一端分别套于第一凸柱与所述第三凸柱上。
  7. 如权利要求6所述折叠机构，其特征在于，所述定位体设有弧形的滑槽，所述定位体通过所述滑槽的两端套于所述凸柱上；在所述弯折部弯折时，同一个定位体内的两个凸柱在该定位体的滑槽内滑动。
  8. 如权利要求5所述折叠机构，其特征在于，所述定位体为条形片体，每个定位体的两端设有通槽，所述定位体通过所述通槽套于所述凸柱上。
  9. 如权利要求5所述折叠机构，其特征在于，所述每一个凸柱的自由端设有一个保护板，n个连接杆的凸柱的保护板沿着轴向前后交错设置。
  10. 如权利要求1所述折叠机构，其特征在于，所述第一支撑体或所述第二支撑体内设有电源；所述第二支撑体或所述第一支撑体内设有与所述电源连接的线路板。
  11. 一种终端，其特征在于，包括权利要求1-10任一项所述的折叠机构和柔性屏，所述柔性屏固定于所述第一支撑体和所述第二支撑体上，所述柔性支撑板支撑所述柔性屏。
  12. 如权利要求12所述终端，其特征在于，所述第一支撑体或所述第二支撑体内设有电源；所述第二支撑体或所述第一支撑体内设有与所述电源连接的线路板，所述柔性屏与所述线路板电连接。
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