WO2020029795A1 - 可折叠设备 - Google Patents

可折叠设备 Download PDF

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Publication number
WO2020029795A1
WO2020029795A1 PCT/CN2019/097328 CN2019097328W WO2020029795A1 WO 2020029795 A1 WO2020029795 A1 WO 2020029795A1 CN 2019097328 W CN2019097328 W CN 2019097328W WO 2020029795 A1 WO2020029795 A1 WO 2020029795A1
Authority
WO
WIPO (PCT)
Prior art keywords
foldable device
protective
bent
shaft assembly
component
Prior art date
Application number
PCT/CN2019/097328
Other languages
English (en)
French (fr)
Inventor
刘文俊
杨松龄
陈松亚
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
Priority claimed from PCT/CN2018/099734 external-priority patent/WO2020029212A1/zh
Priority claimed from PCT/CN2018/099725 external-priority patent/WO2020029207A1/zh
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 CN201980049337.2A priority Critical patent/CN112640398A/zh
Priority to CN201980090072.0A priority patent/CN113366405A/zh
Priority to PCT/CN2019/103742 priority patent/WO2020211257A1/zh
Priority to CN201921441957.4U priority patent/CN211378428U/zh
Priority to CN201911074906.7A priority patent/CN111833725A/zh
Priority to CN201911073909.9A priority patent/CN111828461A/zh
Priority to CN201911073857.5A priority patent/CN111833724B/zh
Priority to CN201911073858.XA priority patent/CN111828460A/zh
Publication of WO2020029795A1 publication Critical patent/WO2020029795A1/zh
Priority to CN202010216918.5A priority patent/CN111835895B/zh
Priority to CN202080010605.2A priority patent/CN113366408A/zh
Priority to CN202010221982.2A priority patent/CN111833730A/zh
Priority to CN202010220963.8A priority patent/CN111833729A/zh
Priority to PCT/CN2020/081100 priority patent/WO2020211608A1/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
    • 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
    • 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

Definitions

  • the present application relates to the field of display technology, and in particular, to a foldable device.
  • the foldable device generally connects the structures on both sides of the foldable device through a shaft assembly to achieve the folding of the device.
  • the protective layer on the shaft assembly is squeezed and deformed, forming excessively protruding folds, which affects the folding flexibility and appearance of the foldable device.
  • the present application provides a foldable device that can be flexibly folded and has a good appearance.
  • a foldable device provided by the present application includes a foldable hinge assembly including at least two hinges that are rotatably connected; and a protective member including a first hinge that connects the at least two hinges that are rotatably connected.
  • the protective member is used to cover the rotating shaft assembly to prevent the problem of pinching during the folding process of the foldable device, and also makes the appearance of the foldable device good.
  • the first and second parts with different hardness Forming a protective member, wherein the first part forms a hard skeleton covering the rotating shaft assembly, and the rigid skeleton is connected to the hinge, which increases the connection strength between the protective member and the hinge, so that the protective member can sense the change of the hinge in time, And the hinge changes; the second part forms an elastic deformation layer covering the shaft assembly, and the elastic deformation layer is connected between the rigid skeletons to be compressed when the hinges are close to each other, and to recover the deformation when the hinges are far away from each other.
  • the elastic deformation layer can be deformed in accordance with the deformation of the shaft assembly, providing a deformation space for the deformation of the shaft assembly, so that the shaft assembly can be smoothly bent or flattened, and the foldable device can be smoothly bent.
  • FIG. 1 is a front view of an electronic device according to an embodiment of the present application.
  • FIG. 2 is a rear view of an electronic device according to an embodiment of the present application.
  • FIG. 3 is a schematic exploded view of an electronic device in a bent state according to an embodiment of the present application.
  • FIG. 4 is a schematic exploded view of an electronic device in a flattened state according to an embodiment of the present application
  • FIG. 5 is a cross-sectional view of a rotating shaft assembly and a protective member of an electronic device according to an embodiment of the present application
  • FIG. 6 is a structural exploded view of a shaft assembly and a protection member of an electronic device according to an embodiment of the present application.
  • FIG. 7 is a side view of a protective member of an electronic device according to an embodiment of the present application.
  • FIG. 8 is a perspective view of a protective member of an electronic device according to an embodiment of the present application.
  • FIG. 9 is a partial perspective view of a protective member of an electronic device according to an embodiment of the present application.
  • FIG. 10 is a partial side view of a protective member of an electronic device according to an embodiment of the present application.
  • the foldable device 100 may be a foldable display device, such as a mobile phone, a tablet, an e-reader, a computer, an electronic display screen and other display devices . It can be understood that the foldable device 100 may also be a foldable non-display device.
  • the length direction of the foldable device 100 is defined as the Y-axis direction.
  • the width direction of the foldable device 100 is defined as the X-axis direction.
  • the thickness direction of the foldable device 100 is defined as the Z-axis direction.
  • the bending axis of the foldable device 100 is along the X-axis direction.
  • the foldable device 100 includes a flexible screen 5, a first casing 3, a second casing 4, a bendable rotating shaft assembly 1, and a protective member 2.
  • the first casing 3, the rotating shaft assembly 1 and the second casing 4 are sequentially connected along the Y-axis direction.
  • the flexible screen 5 is disposed on the first casing 3, the rotating shaft assembly 1 and the second casing 4.
  • the protection member 2 is disposed on a side of the rotating shaft assembly 1 facing away from the flexible screen 5.
  • the two sides of the protective member 2 are respectively connected to the first casing 3 and the second casing 4.
  • the other two sides of the protective member 2 are connected to opposite sides of the flexible screen 5 so as to cover the rotating shaft assembly 1 in the space formed between the protective member 2 and the flexible screen 5, so that the rotating shaft assembly 1 can be prevented from being bent.
  • the problem of gripping hands in the process can also make the appearance of the foldable device 100 good.
  • the first casing 3 and the second casing 4 are close to each other, and the rotating shaft assembly 1 is bent under the action of the first casing 3 and the second casing 4.
  • the bending of the component 1 drives the protection member 2 to bend, and the flexible screen 5 is bent along with the bending of the first casing 3, the shaft assembly 1, the second casing 4, and the protection member 2.
  • the first casing 3 and the second casing 4 are far away from each other, and the first casing 3 and the second casing 4 drive the rotating shaft assembly 1.
  • the protective member 2 deforms from the bent state to the flattened state along with the rotation shaft assembly 1, and the flexible screen 5 follows the first housing 3, the rotation shaft assembly 1, the second housing 4, and the protection.
  • Piece 2 is flattened and flattened.
  • the shaft assembly 1 is bent toward the side where the protection member 2 is located, so the side where the protection member 2 is located is defined as the bending inside of the shaft assembly 1, and the side where the flexible screen 5 is defined is the bending outside of the shaft assembly 1.
  • the rotating shaft assembly 1 includes at least two hinges 11 rotatably connected.
  • the protection member 2 includes a first member 21 that connects at least two hinges 11 that are rotatably connected, and a second member 22 that covers a gap 12 between at least two hinges 11 that are rotatably connected.
  • the hardness of the first member 21 is greater than that of the second member 22.
  • the number of the hinges 11 is plural.
  • the hinge 11 extends along the X axis and has a long shape.
  • the first member 21 and the second member 22 also extend along the X axis and have a long shape.
  • the number of the first members 21 is less than or equal to the number of the hinges 11.
  • Each first part 21 is connected to a hinge 11.
  • the number of the second parts 22 may be one less than the number of the first parts 21.
  • One second member 22 is connected between two adjacent first members 21, and the second member 22 is connected to the hinge 11 through the first member 21.
  • the rotating shaft assembly 1 includes five hinges 11 connected in turn in turn, and a gap 12 is provided between two adjacent hinges 11.
  • the protection member 2 includes five first members 21 and four second members 22.
  • a first component 21 is connected to a hinge 11.
  • a second component 22 covers a gap 12. Each second component 22 is connected between two adjacent first components 21.
  • the hardness of the first member 21 is greater than that of the second member 22. Further, the elastic modulus of the first member 21 is larger than that of the second member 22. In other words, the deformation amount of the second member 22 under the pressing force is larger than the deformation amount of the first member 21 under the pressing force.
  • the adjacent two hinges 11 drive the adjacent two first members 21 to press the second member 22. Since the hardness of the second member 22 is smaller than that of the first member 21, the first The two parts 22 are squeezed under the action of the two first parts 21, so that the two adjacent parts are close to each other on the side where the second part 22 is located, and the two adjacent hinges 11 are on the side where the second part 22 is located. Close to each other. The length of the shaft assembly 1 on the side where the second component 22 is located is reduced, so that the shaft assembly 1 is bent toward the side where the second component 22 is located.
  • the two adjacent hinges 11 drive the two adjacent first members 21 to stretch the second member 22. Since the hardness of the second member 22 is smaller than the hardness of the first member 21, Adjacent two components are separated from each other on the side where the second component 22 is located, and further, two adjacent hinges 11 are separated from each other on the side where the second component 22 is located. The length of the shaft assembly 1 on the side where the second component 22 is located is restored to deformation or stretched to make the shaft assembly 1 flat.
  • the first component 21 may be a plastic having high strength and a high elastic coefficient, for example, polycarbonate, resin (Acrylonitrile Butadiene Styrene, ABS), polyamide (Polyamide, PA), and the like.
  • the second member 22 may be an elastomer (a polymer having elasticity) having a relatively low elastic modulus.
  • the second component 22 has a relatively large elastic modulus deformation and a smaller stiffness, and the material is liable to undergo flexible deformation, such as rubber, liquid silicone, and solid silicone.
  • the protective member 2 is provided to cover the rotating shaft assembly 1 to prevent the problem of pinching during the folding process of the foldable device 100, and also makes the appearance and appearance of the foldable device 100 good; by providing the first component with different hardness 21 and the second member 22 form a protective member 2, wherein the first member 21 forms a hard skeleton covering the rotating shaft assembly 1.
  • the hard skeleton is connected to the hinge 11 to increase the connection strength between the protective member 2 and the hinge 11.
  • the protection member 2 can sense the change of the hinge 11 in time and change with the change of the hinge 11; the second member 22 forms an elastic deformation layer covering the rotating shaft assembly 1, and the elastic deformation layer is connected between the rigid skeletons,
  • the elastic deformation layer can be deformed in accordance with the deformation of the shaft assembly 1 to provide a deformation space for the deformation of the shaft assembly 1 so that The rotating shaft assembly 1 can be smoothly bent or flattened, so that the foldable device 100 can be smoothly bent.
  • the protection member 2 further includes a third member 23 covering the first member 21.
  • the third component 23 is connected between two adjacent second components 22.
  • the hardness of the third member 23 is smaller than that of the first member 21.
  • the third member 23 and the second member 22 may be made of the same material.
  • the third member 23 and the second member 22 may be integrally molded. Therefore, the protective member 2 includes a rigid skeleton formed by a plurality of first members 21, and further includes a whole elastic deformation layer covering a gap 12 between the plurality of first members 21 and the hinge 11. In this embodiment, an entire elastic deformation layer is defined as an elastic protection layer.
  • the elastic protective layer is connected to the shaft assembly 1 through a first member 21.
  • the elastic protective layer can be squeezed under the action of the hinge 11 so that two adjacent hinges 11 can approach each other, thereby realizing the bending of the rotating shaft assembly 1; the elastic protective layer can also be stretched under the action of the hinge 11.
  • the flattening of the rotating shaft assembly 1 is achieved.
  • the elastic protective layer can be deformed in accordance with the bending behavior and expansion behavior of the foldable device 100, so that the length of the protective member 2 when the foldable device 100 is bent is reduced, and the foldable device 100 is smoothly bent
  • the length of the protective member 2 when the foldable device 100 is flattened is increased, so that the foldable device 100 is smoothly flattened.
  • the third component 23 and the second component 22 are integrally formed to simplify the preparation process of the elastic protective layer, improve the production efficiency of the protective member 2, and further improve the production efficiency of the foldable device 100.
  • the third member 23 and the second member 22 may be made of different materials.
  • the hardness of the third member 23 is greater than that of the second member 22. Since the third component 23 corresponds to the hinge 11 and is connected to the hinge 11. The second part 22 corresponds to the gap 12 between the hinges 11. During the bending process of the rotating shaft assembly 1, the second component 22 corresponding to the gap 12 between the hinges 11 needs to have a larger deformation capacity than the third component 23.
  • the third component 23 By setting the third component 23 to have a hardness greater than that of the second component 22 to increase the strength of the connection between the protective member 2 and the hinge 11, and also to prevent the third member 23 from interfering with the gap 12 between the hinges 11 from being compressed and hindering the bending of the shaft assembly 1, thereby improving the foldable device 100. Bending smoothness.
  • the surface on which the flexible screen 5 is located is defined as the front surface of the foldable device 100
  • the surface disposed opposite to the front surface is defined as the back surface
  • the surface connected between the front surface and the back surface is defined as a side surface.
  • the foldable device 100 provided in this embodiment has four sides.
  • the rotating shaft assembly 1 includes a first surface 101 and a second surface 102 disposed opposite to each other, and two side surfaces 103 and 104 connected between the first surface 101 and the second surface 102.
  • the protection member 2 covers the first surface 101 and the two side surfaces 103 and 104 of the rotating shaft assembly 1. If the protective member 2 with a lower hardness is provided on the side of the foldable device 100, when the foldable device 100 is bent, the portion of the protective member 2 near the outer side of the bend is stretched under tensile force, and the protective member 2 is close to the bend. The inner part of the fold is compressed under a compressive force, and after a long or multiple folds, the protector 2 is liable to undergo unrecoverable deformation.
  • the protective member 2 near the outer side of the bend may be wrinkled when the foldable device 100 is flattened due to being stretched multiple times, so that the protective member 2 provided on the front side of the foldable device 100 is wrinkled, uneven, etc. Problems affect the appearance of the foldable device 100 and the life of the protective member 2.
  • a protection bar 24 is connected to the end of the first component 21.
  • the end of the second member 22 is connected with a rib 25 attached to the protective strip 24.
  • the rib 25 covers a plurality of hinges 11 and a gap 12 between the hinges 11.
  • the elastic modulus of the protective strip 24 and the rib 25 is different.
  • the protective strip 24 and the rib 25 cover the side of the shaft assembly 1 together.
  • the protective strip 24 and the rib 25 are generated under different forces.
  • the difference in the amount of deformation can make the deformation of the protective member 2 near the outer side of the bend when the foldable device 100 is bent smaller, thereby preventing the protective member 2 near the outer side of the bend from being folded due to being stretched multiple times. Wrinkles occur when the device 100 is flattened.
  • the hardness of the protective strip 24 is greater than the hardness of the rib 25.
  • the elastic modulus of the protective strip 24 is greater than the elastic modulus of the rib 25. Compared with the rib 25, under the same acting force, the deformation amount of the protective strip 24 is small, the bending reliability of the protective strip 24 is strong, and the protective strip 24 is not prone to fold after multiple stretching, so that The foldable device 100 has a good appearance.
  • the protective strip 24 is close to the bent outer side of the rotating shaft assembly 1. Because the elastic modulus of the protective strip 24 is larger than the elastic modulus of the rib 25, it is not easy to deform. Therefore, when the foldable device 100 is bent, the protective strip 24 is not easily deformed under the tensile force, and thus the foldable device Wrinkles are not easy to produce when the 100 is flattened to ensure the flatness of the front of the foldable device 100, thereby improving the quality stability of the foldable device 100. In addition, due to the strong hardness of the protective strip 24, the protective strip 24 is suitable for The protection strength of the flexible screen 5 is greater.
  • the protective strip 24 is perpendicular to the bending axis of the rotating shaft assembly 1. Specifically, the bending axis of the rotating shaft assembly 1 is along the X-axis direction. When the foldable device 100 is flattened, the protective strip 24 extends in the Y-axis direction. Further, the opposite ends of the protective strip 24 are connected to the first casing 3 and the second casing 4 respectively, and the protective strip 24 is connected to the edge of the bending area of the flexible screen 5 along the Y-axis direction.
  • the protective strip 24 Due to the strong bending reliability of the protective strip 24, it can maintain good surface flatness after being folded multiple times with the foldable device 100, thereby enabling the foldable device 100 to maintain a good appearance after being repeatedly folded.
  • the shape improves the stability of the foldable device 100.
  • the rib 25 is closer to the bending inner side of the rotating shaft assembly 1 than the protective strip 24.
  • the portion of the rib 25 near the bending inner side of the shaft assembly 1 is squeezed, and the portion of the rib 25 near the bending outer side of the shaft assembly 1 is stretched.
  • the rib 25 Since the elastic modulus of the rib 25 is smaller than that of the protective strip 24, the rib 25 is more likely to undergo a folding deformation or a tensile deformation under the action of the rib, and the rib 25 near the bending interior of the shaft assembly 1 is subject to a compressive force. It can timely compress and deform according to the compressive force to provide space for the hinges 11 of the rotating shaft assembly 1 to approach each other, so that the rotating shaft assembly 1 can be smoothly bent.
  • the foldable device 100 may be bent until the first casing 3 and the second casing 4 abut against each other.
  • a protective strip 24 having a large elastic modulus is provided on the side of the foldable device 100 near the outer side of the bend to prevent flexibility. Wrinkles are generated on the surface of the screen 5 to improve the appearance of the foldable device 100.
  • the material of the rib 25 is soft rubber. Material, under the bending compression force, the rib 25 can respond to the bending compression force in time to compress and deform, thereby providing space for the hinges 11 of the shaft assembly 1 to approach each other, thereby enabling the foldable device 100 to be folded smoothly.
  • the protective strip 24 is connected to the end of the corresponding hinge 11 by a connecting member.
  • the protective strip 24 is connected to the side of the hinge 11 through a connecting member.
  • the protective strip 24 includes a protective section 241 and a plurality of connecting sections 242 connected to one side of the protective section 241.
  • One side of the protective segment 241 is connected to the edge of the bending area of the flexible screen 5.
  • the plurality of connecting sections 242 are connected to the other side of the protective section 241 at intervals, and extend along the Z-axis direction.
  • An end of the connection section 242 away from the protection section 241 is connected to an end of the first component 21.
  • the number of the connecting sections 242 may be the same as the number of the first parts 21.
  • the side edge of the protection segment 241 disposed between two adjacent connection segments 242 is a concave arc edge. That is, the side of the protection section 241 adjacent to the avoidance area is a concave arc side.
  • the concave curved edge can be used as a bending guide, so that the protective segment 241 can be more easily bent along the concave curved edge.
  • the rib 25 covers a plurality of connecting sections 242.
  • the protective segment 241 exposes the rib 25.
  • one side of the protective segment 241 is connected to the edge of the bending area of the flexible screen 5, and the other side of the protective segment 241 is connected to the rib 25.
  • the side of the connecting section 242 with respect to the shaft assembly 1 is a flat strip arranged in parallel, and the protective section 241 is a convex bar with respect to the connecting section 242.
  • the rib 25 When the rib 25 covers multiple connecting segments 242, the rib 25 can fill the height difference so that the outer surface of the protective segment 241 and the outer surface of the rib 25
  • the smooth connection further makes the outer surface of the protective member 2 have better smoothness, and improves the smooth touch feeling of the foldable device 100.
  • a sheltering groove 243 is provided on the protective strip 24 to connect with the hinge 11 through the sheltering groove 243.
  • the avoidance groove 243 is provided on the connecting section 242.
  • One end of the connecting piece is connected to the side of the hinge 11.
  • the other end of the connecting piece penetrates the avoidance groove 243 of the connecting section 242 and is connected to the rib 25, so that the hinge 11, the protective strip 24 and the rib 25 are connected together, so that The movement of the hinge 11 can drive the protection bar 24 and the rib 25 to realize the protection member 2 to be bent as the hinge 11 is bent.
  • the rib 25 defines a perforation 251.
  • the connecting member is connected to the hinge 11 through the through hole 251 and the avoiding groove 243.
  • the connecting member may be a screw.
  • One end of the connecting member abuts against the outer surface of the rib 25, and the other end of the connecting member is threadedly connected to the hinge 11 through a perforation 251 and an escape groove 243, so that the connecting member is fixedly connected to the rib 25 and the hinge 11, so that the movement of the hinge 11 can be quickly transmitted to the rib 25, and then the rib 25 can be compressed or restored to deform as the hinge 11 moves.
  • the connecting member slides in the avoiding groove 243.
  • the hinge 11 is bent, the gap 12 between two adjacent hinges 11 is reduced, and the two adjacent hinges 11 are close to each other to drive the connecting members closer to each other.
  • the adjacent two connecting sections 242 follow the adjacent The two connecting members are close to each other, so that the protective section 241 is bent. Because the elastic modulus of the protective segment 241 is large, the bendability of the protective segment 241 limits the maximum displacement of two adjacent connecting segments 242 close to each other. When the displacement of the two adjacent connecting pieces closer to each other is greater than the maximum displacement of the two adjacent connecting pieces 242 that can be close to each other, the protective section 241 may be forcibly broken.
  • the connecting member when the rotating shaft assembly 1 is bent, the connecting member can slide in the avoiding groove 243, and the avoiding stroke of the connecting member in the avoiding groove 243 can effectively compensate the bending of the rotating shaft assembly 1 During the folding process, the difference between the displacement required for the adjacent connecting pieces to approach and the displacement that the adjacent connecting section 242 can approach to move can effectively prevent the protective section 241 from being forcibly broken.
  • the connecting member slides from one end of the avoiding groove 243 to the opposite end.
  • the connecting member slides from one end to the other end of the avoidance groove 243, so that the utilization ratio of the avoidance groove 243 is high, and the avoidance groove 243 is based on satisfying its displacement compensation Its size is as small as possible, so that the width of the connecting section 242 is small and the space between two adjacent connecting sections 242 is large, so it does not affect the bending of the shaft assembly 1 so that the foldable device 100 Smooth bending.
  • the avoidance groove 243 is oval.
  • the long-axis direction of the avoidance groove 243 is the Y-axis direction when the foldable device 100 is flattened, and the short-axis direction of the avoidance groove 243 is the Z-axis direction when the foldable device 100 is flattened.
  • the first component 21 includes a main body portion 211 and two bent portions 212 connected to opposite ends of the main body portion 211.
  • the main body portion 211 is connected to a hinge 11 provided on a surface of the bent inner side of the rotating shaft assembly 1.
  • the two bent portions 212 are respectively connected to two opposite sides of the hinge 11.
  • the main body portion 211 extends in the X-axis direction.
  • the bent portion 212 is bent with respect to the main body portion 211.
  • the bent portion 212 extends in the Z-axis direction.
  • the number of the first components 21 is plural.
  • the plurality of first members 21 are arranged in parallel and spaced apart from each other.
  • the number of the protection strips 24 is two.
  • the two opposite ends of the first member 21 are respectively connected with two protective strips 24.
  • the two protective strips 24 are respectively connected to opposite sides of the bending area of the flexible screen 5.
  • a protective strip 24 includes a protective segment 241 and the same number of connecting segments 242 as the first component 21.
  • a protective segment 241 is connected to the edge of the bending area of the flexible screen 5.
  • Each connecting section 242 is connected to a bent portion 212 of a first component 21. Specifically, an end of the connecting section 242 away from the protective section 241 is connected to an end of the bending portion 212 that is not connected to the main body portion 211.
  • the protection section 241, the connection section 242, the bent portion 212, and the main body portion 211 can be integrally formed to form a rigid skeleton.
  • the second member 22 and the third member 23 are integrally formed to cover the rigid skeleton to form an elastic compression layer.
  • the hinge 11 drives the main body portion 211 of the rigid skeleton, the bent portion 212 and one end of the connecting section 242 are close to each other, and one end of the connecting section 242 is close to each other
  • the protective section 241 is bent toward the inner side of the bend; at the same time, the hinge 11 drives the second member 22 to approach each other through the connecting member, and the third member 23 is protruded toward the direction away from the rotating shaft assembly 1 under the pressing force of the second member 22.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

一种可折叠设备（100），包括：可弯折的转轴组件（1），转轴组件（1）包括至少两个转动连接的铰链（11）；及保护件（2），包括连接至少两个转动连接的铰链（11）的第一部件（21）、及覆盖铰链（11）之间间隙的第二部件（22），第一部件（21）的硬度大于第二部件（22）的硬度。第一部件（21）增加了保护件（2）与铰链（11）之间的连接强度，使保护件（2）能够随着铰链（11）的变化而变化；第二部件（22）能够顺应转轴组件（1）的形变而形变，为转轴组件（1）的形变提供形变空间，使转轴组件（1）能够顺利的弯折或展平。

Description

可折叠设备 技术领域
本申请涉及显示技术领域，尤其涉及一种可折叠设备。
背景技术
可折叠设备一般通过转轴组件将其两侧的结构连接起来，以实现设备的折叠。在可折叠设备折叠过程中，转轴组件上的保护层被挤压变形，形成过度凸出的褶皱，影响可折叠设备的折叠灵活性和外观面。
发明内容
本申请的提供一种可灵活折叠且外观形貌好的可折叠设备。
本申请提供的一种可折叠设备，包括：可弯折的转轴组件，所述转轴组件包括至少两个转动连接的铰链；及保护件，包括连接所述至少两个转动连接的铰链的第一部件、及覆盖所述至少两个转动连接的铰链之间间隙的第二部件，所述第一部件的硬度大于所述第二部件的硬度。
通过设置保护件包覆转轴组件，以防止在可折叠设备弯折过程中，出现夹手的问题，还使得可折叠设备的外观形貌良好；通过设置具有硬度不同的第一部件和第二部件形成保护件，其中，第一部件形成包覆转轴组件的硬质骨架，硬质骨架连接于铰链，增加了保护件与铰链之间的连接强度，以使保护件能够及时地感应铰链的变化，并随着铰链的变化而变化；第二部件形成包覆转轴组件的弹性形变层，弹性形变层连接于硬质骨架之间，以在铰链相互靠近时被压缩，及在铰链相互远离时恢复形变或被拉伸，故而弹性形变层能够顺应转轴组件的形变而形变，为转轴组件的形变提供形变空间，以使转轴组件能够顺利的弯折或展平，进而实现可折叠设备顺利地弯折。
附图说明
为了更清楚地说明本申请的技术方案，下面将对实施方式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申请的一些实施方式，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 如这些附图获得其他的附图。
图1是本申请实施例提供的一种电子设备的正面视图；
图2是本申请实施例提供的一种电子设备的背面视图；
图3是本申请实施例提供的一种电子设备在弯折状态下的拆分示意图；
图4是本申请实施例提供的一种电子设备在展平状态下的拆分示意图；
图5是本申请实施例提供的一种电子设备的转轴组件及保护件的截面图；
图6是本申请实施例提供的一种电子设备的转轴组件及保护件的结构拆分图；
图7是本申请实施例提供的一种电子设备的保护件的侧面视图；
图8是本申请实施例提供的一种电子设备的保护件的立体图；
图9是本申请实施例提供的一种电子设备的保护件的局部立体图；
图10是本申请实施例提供的一种电子设备的保护件的局部侧视图。
具体实施方式
下面将结合本申请实施方式中的附图，对本申请实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式仅仅是本申请一部分实施方式，而不是全部的实施方式。基于本申请中的实施方式，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施方式，都属于本申请保护的范围。
请参阅图1至图2，本申请实施例提供一种可折叠设备100，可折叠设备100可以为可折叠显示设备，如手机、平板、电子阅读器、电脑、电子展示屏等各种显示设备。可以理解的是，可折叠设备100也可以为可折叠的非显示设备。
本实施例中，定义可折叠设备100的长度方向为Y轴方向。定义可折叠设备100的宽度方向为X轴方向。定义可折叠设备100的厚度方向为Z轴方向。可折叠设备100的弯折轴沿X轴方向。
请参阅图3，可折叠设备100包括柔性屏5、第一壳体3、第二壳体4、可弯折的转轴组件1及保护件2。
请参阅图3，第一壳体3、转轴组件1与第二壳体4沿Y轴方向依次连接。柔性屏5设于第一壳体3、转轴组件1及第二壳体4上。保护件2设于转轴组件1背离柔性屏5的一侧。保护件2的两个侧边分别连接第一壳体3和第二壳 体4。保护件2的另外两个侧边连接于柔性屏5的相对两侧，以将转轴组件1包覆于保护件2与柔性屏5之间形成的空间内，故而能够防止转轴组件1在弯折过程中出现夹手的问题，还能够使得可折叠设备100的外观形貌良好。
请参阅图3，当可折叠设备100弯折时，第一壳体3和第二壳体4相互靠近，转轴组件1在第一壳体3和第二壳体4的作用下弯折，转轴组件1弯折带动保护件2弯折，柔性屏5随着第一壳体3、转轴组件1、第二壳体4及保护件2的弯折而弯折。
请参阅图4，当可折叠设备100由弯折状态形变至展平状态时，第一壳体3和第二壳体4相互远离，第一壳体3和第二壳体4带动转轴组件1从弯折状态形变至展平状态，保护件2随着转轴组件1由弯折状态形变至展平状态，柔性屏5随着第一壳体3、转轴组件1、第二壳体4及保护件2的展平而展平。
本实施例中，转轴组件1朝向保护件2所在侧弯折，所以将保护件2所在侧定义为转轴组件1的弯折内侧，而柔性屏5所在侧定义为转轴组件1的弯折外侧。
请参阅图5及图6，转轴组件1包括至少两个转动连接的铰链11。保护件2包括连接至少两个转动连接的铰链11的第一部件21及覆盖至少两个转动连接的铰链11之间间隙12的第二部件22。第一部件21的硬度大于第二部件22的硬度。
具体的，请参阅图5及图6，铰链11的数量为多个。铰链11沿X轴延伸，呈长条状。第一部件21和第二部件22也沿X轴延伸，呈长条状。第一部件21的数量小于或等于铰链11的数量。每个第一部件21连接于一个铰链11。第二部件22的数量可以比第一部件21的数量少一个。一个第二部件22连接于相邻的两个第一部件21之间，进而第二部件22通过第一部件21连接铰链11。
举例而言，请参阅图5及图6，转轴组件1包括依次转动连接的5个铰链11，相邻的两个铰链11之间具有间隙12。保护件2包括5个第一部件21及4个第二部件22。一个第一部件21连接一个铰链11。一个第二部件22覆盖一个间隙12。每个第二部件22皆连接于相邻的两个第一部件21之间。
第一部件21的硬度大于第二部件22的硬度。进一步地，第一部件21的 弹性模量大于第二部件22的弹性模量。换而言之，第二部件22在挤压力下的形变量大于第一部件21在挤压力下的形变量。
在转轴组件1弯折的过程中，相邻的两个铰链11带动相邻的两个第一部件21挤压第二部件22，由于第二部件22的硬度小于第一部件21的硬度，第二部件22在两个第一部件21的作用下被挤压，以使相邻的两个部件在第二部件22所在侧相互靠近，进而相邻的两个铰链11在第二部件22所在侧相互靠近。转轴组件1在第二部件22所在侧的长度减小，以使转轴组件1朝向第二部件22所在侧弯折。
在转轴组件1展平的过程中，相邻的两个铰链11带动相邻的两个第一部件21拉伸第二部件22，由于第二部件22的硬度小于第一部件21的硬度，以使相邻的两个部件在第二部件22所在侧相互远离，进而相邻的两个铰链11在第二部件22所在侧相互远离。转轴组件1在第二部件22所在侧的长度恢复形变或被拉伸，以使转轴组件1展平。
具体的，第一部件21可以为具有高强度和高弹性系数的塑料，例如，聚碳酸酯、树脂(Acrylonitrile Butadiene Styrene，ABS)、聚酰胺(Polyamide，PA)等。
具体的，第二部件22可以为弹性模量较低的弹性体(具有弹性的聚合物)。第二部件22弹性模量变形相对越大，刚度越小，材料易发生柔性变形，如：橡胶、液态硅胶、固态硅胶类等。
通过设置保护件2包覆转轴组件1，以防止在可折叠设备100弯折过程中，出现夹手的问题，还使得可折叠设备100的外观形貌良好；通过设置具有硬度不同的第一部件21和第二部件22形成保护件2，其中，第一部件21形成包覆转轴组件1的硬质骨架，硬质骨架连接于铰链11，增加了保护件2与铰链11之间的连接强度，以使保护件2能够及时地感应铰链11的变化，并随着铰链11的变化而变化；第二部件22形成包覆转轴组件1的弹性形变层，弹性形变层连接于硬质骨架之间，以在铰链11相互靠近时被压缩，及在铰链11相互远离时恢复形变或被拉伸，故而弹性形变层能够顺应转轴组件1的形变而形变，为转轴组件1的形变提供形变空间，以使转轴组件1能够顺利的弯折或展平，进而实现可折叠设备100顺利地弯折。
请参阅图5及图6，保护件2还包括覆盖于第一部件21的第三部件23。第三部件23连接于相邻的两个第二部件22之间。第三部件23的硬度小于第一部件21的硬度。
本实施例中，第三部件23和第二部件22可以为相同的材质。第三部件23与第二部件22可以一体成型。所以，保护件2包括多个第一部件21形成的硬质骨架，还包括覆盖于多个第一部件21上和铰链11之间的间隙12的一整块弹性形变层。本实施例将一整块弹性形变层定义为弹性保护层。该弹性保护层通过第一部件21连接于转轴组件1。弹性保护层可以在铰链11的作用下被挤压，以使相邻的两个铰链11能够相互靠近，进而实现转轴组件1的弯折；弹性保护层还可以在铰链11的作用下被拉伸，以使相邻的两个铰链11能够相互远离，进而实现转轴组件1的展平。如此，弹性保护层能够顺应可折叠设备100的弯折行为和展平行为而发生形变，以使保护件2在可折叠设备100弯折时的长度减小，进而实现可折叠设备100顺利地弯折；保护件2在可折叠设备100展平时的长度增加，进而实现可折叠设备100顺利地展平。
通过设置第三部件23和第二部件22一体成型，以简化弹性保护层的制备工艺，提高保护件2的生产效率，进而提高可折叠设备100的生产效率。
当然，在其他实施方式中，第三部件23和第二部件22还可以为硬度不同的材质。例如，第三部件23的硬度大于第二部件22的硬度。由于第三部件23对应于铰链11且连接铰链11。第二部件22对应于铰链11之间的间隙12。在转轴组件1弯折的过程中，对应于铰链11之间的间隙12的第二部件22相对于第三部件23需要具有较大的形变能力，通过设置第三部件23的硬度大于第二部件22的硬度，以提高保护件2与铰链11之间的连接强度，还可以避免第三部件23妨碍铰链11之间的间隙12被压缩而阻碍转轴组件1的弯折，提高可折叠设备100的弯折顺畅性。
本申请中，为了便于描述，定义柔性屏5所在面为可折叠设备100的正面，定义与正面相背设置的面为背面，定义连接于正面与背面之间的面为侧面。其中，本实施例提供的可折叠设备100具有四个侧面。当设于可折叠设备100的正面的保护件2为弹性
请参阅图3，转轴组件1包括相背设置的第一表面101和第二表面102及连接 在所述第一表面101和第二表面102之间的两个侧面103、104。保护件2包覆于转轴组件1的第一表面101和两个侧面103、104。如果将硬度较小的保护件2设于可折叠设备100的侧面，在可折叠设备100弯折时，保护件2靠近弯折外侧的部分在拉伸力下被拉伸，保护件2靠近弯折内侧的部分在压缩力下被压缩，在长时间或多次的弯折之后，保护件2容易发生不可恢复的变形。例如，靠近弯折外侧的保护件2可能会由于多次被拉伸而在可折叠设备100展平时产生褶皱，以使可折叠设备100展平时设于正面的保护件2产生褶皱、不平整等问题，影响可折叠设备100的外观形貌及保护件2的寿命。
请参阅图6，第一部件21的末端连接有防护条24。第二部件22的末端连接有贴设于防护条24上的挡边25。
具体的，请参阅图6，挡边25覆盖多个铰链11及铰链11之间间隙12。防护条24和挡边25的弹性模量不同。防护条24和挡边25一起包覆于转轴组件1的侧面。可折叠设备100在弯折过程中，保护件2靠近弯折外侧的部分受到拉伸力，保护件2靠近弯折内侧的部分受到压缩力。
通过将防护条24和挡边25包覆于转轴组件1的侧面，由于防护条24与挡边25的弹性模量的差异化，以使防护条24和挡边25在受到不同作用力下产生的形变量差异化，可以使得靠近弯折外侧的保护件2在可折叠设备100弯折时的形变量较小，进而避免靠近弯折外侧的保护件2由于多次被拉伸而在可折叠设备100展平时产生褶皱。
进一步地，防护条24的硬度大于挡边25的硬度。
具体的，防护条24的弹性模量大于挡边25的弹性模量。相较于挡边25而言，在相同的作用力下，防护条24的形变量较小，防护条24的弯折可靠性强，防护条24在多次拉伸之后不易产生褶皱，以使可折叠设备100具有较好的外观面。
进一步地，请一并参阅图7及图8，防护条24靠近转轴组件1的弯折外侧。由于防护条24的弹性模量相对挡边25的弹性模量较大，不易发生形变，所以当可折叠设备100弯折时，防护条24在拉伸力下不易发生形变，进而在可折叠设备100展平时不易产生褶皱，以确保可折叠设备100正面的平整性，进而提高可折叠设备100的质量稳定性；此外，由于防护条24的硬度强，在可折 叠设备100跌落时防护条24对于柔性屏5的保护力度更大。
进一步地，请一并参阅图7及图8，防护条24垂直于转轴组件1的弯折轴。具体的，转轴组件1的弯折轴为沿X轴方向。当可折叠设备100展平时，防护条24沿Y轴方向延伸。进一步地，防护条24的相对两端分别连接于第一壳体3和第二壳体4，且防护条24沿Y轴方向连接柔性屏5的弯折区的边缘。由于防护条24的弯折可靠性强，在随着可折叠设备100多次弯折之后仍能够保持良好的表面平整性，进而使得可折叠设备100能够在多次弯折之后仍保持良好的外观形貌，提高可折叠设备100的稳定性。
进一步地，请一并参阅图4、图7、图8，挡边25相对于防护条24靠近于转轴组件1的弯折内侧。当转轴组件1弯折时，挡边25靠近转轴组件1的弯折内侧的部分受到挤压，挡边25靠近转轴组件1的弯折外侧的部分受到拉伸。
由于挡边25的弹性模量相对防护条24较小，所以挡边25在作用力下更容易发生折叠形变或拉伸形变，进而靠近于转轴组件1的弯折内部的挡边25受到压缩力时能够及时地顺应着压缩力发生压缩形变，为转轴组件1的铰链11的相互靠近提供空间，以使转轴组件1顺利弯折。
挡边25的弹性模量越小，即挡边25发生折叠为转轴组件1的铰链11的相互靠近提供空间越大，可折叠设备100可弯折的角度越大。本申请中，可折叠设备100可以弯折至第一壳体3与第二壳体4相互抵接。
相较于在可折叠设备100的侧面设置同一材质的保护件2，本申请中，通过设置弹性模量较大的防护条24于可折叠设备100的侧面靠近弯折外侧的部分，以防止柔性屏5所在面产生褶皱，提高可折叠设备100的外观形貌；通过设置弹性模量较小的挡边25于可折叠设备100的侧面靠近弯折内侧的部分，挡边25的材质为软胶材质，在弯折压缩力下，挡边25能够及时响应该弯折压缩力而发生压缩形变，进而为转轴组件1的铰链11相互靠近提供空间，进而使得可折叠设备100能够顺利地折叠。
防护条24通过连接件连接于相应铰链11的端部。换而言之，在可折叠设备100的侧面，防护条24通过连接件连接于铰链11的侧面。当相邻的两个铰链11之间发生相互运动时，相邻的两个连接件在铰链11的带动下运动，防护条24在连接件的作用下弯折或展平，进而实现防护条24随着转轴组件1的弯 折而及时地发生弯折。
请一并参阅图9及图10，防护条24包括防护段241及连接于防护段241的一侧的多个连接段242。防护段241的一侧连接于柔性屏5的弯折区的边缘。多个连接段242相互间隔地连接于防护段241的另一侧，且沿Z轴方向延伸。连接段242远离防护段241的一端连接于第一部件21的末端。连接段242的数量可以与第一部件21的数量相同。
当相邻的两个铰链11相互靠近时，相邻的两个第一部件21在铰链11的作用下相互靠近，相邻的两个第一部件21带动相邻的两个连接段242的一端相互靠近，相邻的两个连接段242的另一端带动防护段241弯折，以实现转轴组件1带动保护件2弯折。通过设置多个连接段242相间隔地设置，相邻的两个连接段242之间形成避空区，该避空区为连接段242相互靠近提供了空间，及为防护条24的弯折提供了形变空间，以使保护件2能够顺利地弯折。
请一并参阅图9及图10，设于相邻的两个连接段242之间的防护段241的侧边为凹弧形边。即防护段241邻近避空区的边为凹弧形边。该凹弧形边可以作为弯折导向，以便于防护段241更加容易地沿凹弧形边弯折。
具体的，请一并参阅图7及图10，挡边25覆盖多个连接段242。防护段241露出挡边25。换而言之，防护段241的一侧边连接于柔性屏5的弯折区的边缘，防护段241的另一侧边连接于挡边25。进一步地，连接段242相对于转轴组件1的侧面为平行设置的偏平条，而防护段241相对于连接段242为凸形条。防护段241与连接段242之间产生高度差，当挡边25覆盖于多个连接段242时，挡边25能够填补该高度差，以使防护段241的外表面与挡边25的外表面平滑连接，进而使得保护件2的外表面具有较好的平滑度，提高可折叠设备100的触摸顺滑感。
请参阅图6，防护条24上开设避空槽243连接件穿过避空槽243与铰链11连接。具体的，避空槽243设于连接段242上。连接件的一端连接于铰链11的侧面，连接件的另一端贯穿连接段242的避空槽243并连接于挡边25，以使铰链11、防护条24及挡边25连接在一起，进而使得铰链11的运动能够带动防护条24及挡边25运动，实现保护件2随着铰链11的弯折而弯折。
进一步地，请参阅图6，挡边25开设穿孔251。连接件穿过穿孔251及避 空槽243与铰链11连接。具体的，连接件可以为螺钉，连接件的一端抵接于挡边25的外表面，连接件的另一端经穿孔251、避空槽243螺纹连接于铰链11，以使连接件固定连接挡边25和铰链11，以使铰链11的运动能够快速地传递至挡边25，进而挡边25能够随铰链11的运动而被压缩或恢复形变。
当转轴组件1弯折时，连接件于避空槽243内滑动。当铰链11弯折时，相邻的两个铰链11之间的间隙12减小，相邻的两个铰链11相互靠近带动连接件相互靠近，相邻的两个连接段242随着相邻的两个连接件相互靠近而靠近，以使防护段241弯折。由于防护段241的弹性模量较大，所以防护段241的可弯折度限制了相邻的两个连接段242相互靠近的最大位移。当相邻的两个连接件相互靠近的位移大于相邻的两个连接段242能够相互靠近的最大位移时，防护段241可能会被强行折断。
通过在连接件上设置避空槽243，当转轴组件1弯折时，连接件能够于避空槽243内滑动，连接件在避空槽243内的避空行程可以有效地补偿转轴组件1弯折过程中相邻的连接件相靠近所需要的位移与相邻的连接段242相靠近所能够运行的位移之差，从而有效地避免防护段241被强行折断。
具体而言，当转轴组件1弯折时，连接件从避空槽243的一端滑动至相对另一端。
通过设置当转轴组件1弯折时，连接件从避空槽243的一端滑动至相对另一端，以使避空槽243的利用率较高，且避空槽243在满足其位移补偿的基础上其尺寸尽可能地小，进而使得连接段242的宽度较小而相邻的两个连接段242之间的空间较大，故而不会影响到转轴组件1的弯折，以使可折叠设备100弯折顺畅。
具体的，请参阅图10，避空槽243呈椭圆形。避空槽243的长轴方向在可折叠设备100展平时为Y轴方向，避空槽243的短轴方向在可折叠设备100展平时为Z轴方向。
请参阅图9，第一部件21包括主体部211及连接于主体部211相对两端的两个弯折部212。主体部211连接铰链11设于转轴组件1的弯折内侧的表面。两个弯折部212分别连接于铰链11的两个相对的侧面。主体部211沿X轴方向延伸。弯折部212相对于主体部211弯折。弯折部212沿Z轴方向延伸。
具体的，第一部件21的数量为多个。多个第一部件21平行且相间隔设置。防护条24的数量为两个。第一部件21相对两侧的末端分别连接两个防护条24。两个防护条24分别连接于柔性屏5的弯折区的相对两侧。其中，一个防护条24包括一个防护段241和与第一部件21相同数量的连接段242。一个防护段241连接于柔性屏5的弯折区的边缘。每个连接段242与一个第一部件21的弯折部212相连接。具体的，连接段242远离防护段241的一端连接于弯折部212未连接主体部211的一端。
防护段241、连接段242、弯折部212及主体部211可以一体成型，形成硬质骨架。第二部件22和第三部件23一体成型以覆盖硬质骨架上，以形成弹性压缩层。
当转轴组件1弯折时，多个铰链11在弯折内侧相互靠近，铰链11带动硬质骨架的主体部211弯折部212及连接段242的一端相互靠近，而连接段242的一端相互靠近使得防护段241朝向弯折内侧弯折；同时，铰链11通过连接件带动第二部件22相互靠近，第三部件23受到第二部件22的挤压力下朝向背离转轴组件1的方向凸出，而使得相邻的两个第二部件22能够相互靠近；同时，挡边25对应于铰链11侧面的部分相互靠近，挡边25对应于铰链11间隙12侧面的部分被挤压形成凸起；由于防护段241的弹性模量较大，防护段241在弯折过程中的形变较小，所以防护段241在经过多次的弯折之后都不会呈现褶皱，从而提高可折叠设备100的外观形貌，还可以在可折叠设备100跌落时进行有效地保护，提高可折叠设备100的可靠性。
以上对本申请实施方式进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施方式的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种可折叠设备，其特征在于，包括：
    可弯折的转轴组件，所述转轴组件包括至少两个转动连接的铰链；及
    保护件，包括连接所述至少两个转动连接的铰链的第一部件、及覆盖所述至少两个转动连接的铰链之间间隙的第二部件，所述第一部件的硬度大于所述第二部件的硬度。
  2. 如权利要求1所述的可折叠设备，其特征在于，所述第一部件的末端连接有防护条，所述第二部件的末端连接有贴设于所述防护条上的挡边。
  3. 如权利要求2所述的可折叠设备，其特征在于，当所述转轴组件弯折时，所述防护条靠近所述转轴组件的弯折外侧。
  4. 如权利要求2所述的可折叠设备，其特征在于，当所述转轴组件弯折时，所述挡边靠近所述转轴组件的弯折内侧的部分受到挤压，所述挡边靠近所述转轴组件的弯折外侧的部分受到拉伸。
  5. 如权利要求2所述的可折叠设备，其特征在于，所述防护条的硬度大于所述挡边的硬度。
  6. 如权利要求2所述的可折叠设备，其特征在于，所述防护条垂直于所述转轴组件的弯折轴。
  7. 如权利要求2所述的可折叠设备，其特征在于，所述防护条通过连接件连接于相应所述铰链的端部。
  8. 如权利要求7所述的可折叠设备，其特征在于，所述防护条开设避空槽，所述连接件穿过所述避空槽与所述铰链连接。
  9. 如权利要求8所述的可折叠设备，其特征在于，当所述转轴组件弯折时，所述连接件于所述避空槽内滑动。
  10. 如权利要求9所述的可折叠设备，其特征在于，当所述转轴组件弯折时，所述连接件从所述避空槽的一端滑动至相对另一端。
  11. 如权利要求8所述的可折叠设备，其特征在于，所述挡边开设穿孔，所述连接件穿过所述穿孔及所述避空槽与所述铰链连接。
  12. 如权利要求8所述的可折叠设备，其特征在于，所述防护条包括防护 段及连接于所述防护段的一侧的多个连接段，所述避空槽设于所述连接段上，所述连接段远离所述防护段的一端连接于所述第一部件的末端。
  13. 如权利要求12所述的可折叠设备，其特征在于，设于相邻的两个所述连接段之间的防护段的侧边为凹弧形边。
  14. 如权利要求12所述的可折叠设备，其特征在于，当所述转轴组件弯折时，相邻的两个所述连接段相互靠近，所述防护段在所述连接段的带动下弯折。
  15. 如权利要求12所述的可折叠设备，其特征在于，所述挡边覆盖所述连接段，所述防护段露出所述挡边。
  16. 如权利要求1所述的可折叠设备，其特征在于，所述保护件还包括覆盖于所述第一部件的第三部件，所述第三部件连接于相邻的两个所述第二部件之间，所述第三部件的硬度小于所述第一部件的硬度。
  17. 如权利要求1所述的可折叠设备，其特征在于，所述第一部件包括主体部及连接于所述主体部相对两端的两个弯折部，所述主体部连接所述铰链设于所述转轴组件的弯折内侧的表面，所述两个弯折部分别连接于所述铰链的两个相对的侧面。
  18. 如权利要求2所述的可折叠设备，其特征在于，所述第一部件的数量为多个，多个所述第一部件相间隔设置，多个所述第一部件的末端皆连接所述防护条。
  19. 如权利要求2所述的可折叠设备，其特征在于，所述防护条的数量为两个，所述第一部件相对两侧的末端分别连接两个所述防护条。
  20. 如权利要求2所述的可折叠设备，其特征在于，所述可折叠设备还包括柔性屏，所述柔性屏设于所述转轴组件的弯折外侧，所述柔性屏能够随着所述转轴组件的弯折而弯折。
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