WO2021083171A1 - 折叠装置及电子设备 - Google Patents

折叠装置及电子设备 Download PDF

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Publication number
WO2021083171A1
WO2021083171A1 PCT/CN2020/124255 CN2020124255W WO2021083171A1 WO 2021083171 A1 WO2021083171 A1 WO 2021083171A1 CN 2020124255 W CN2020124255 W CN 2020124255W WO 2021083171 A1 WO2021083171 A1 WO 2021083171A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotating
casing
rotating shaft
shaft base
folding device
Prior art date
Application number
PCT/CN2020/124255
Other languages
English (en)
French (fr)
Inventor
胡庭勇
郑泽宽
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to EP20883312.9A priority Critical patent/EP4030740B1/en
Publication of WO2021083171A1 publication Critical patent/WO2021083171A1/zh
Priority to US17/702,499 priority patent/US12032412B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • 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
    • 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
    • H04M1/0206—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
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts

Definitions

  • the application relates to the field of communication equipment, in particular to a folding device and electronic equipment.
  • the display screen of the mobile phone is folded in half to realize the miniaturization of the mobile phone, which is convenient for the user to carry the mobile phone.
  • the bendable part of the display screen has a bending radius, and the display screen cannot be completely closed.
  • the two main bodies of the foldable mobile phone connected to the two parts of the display screen cannot be completely closed. Larger.
  • An embodiment of the present application provides a folding device, wherein the folding device includes a rotating shaft base and two main bodies arranged on opposite sides of the rotating shaft base, and each of the main bodies is provided with a rotating shaft base connected to the rotating shaft base.
  • the rotating member, the casing rotatably connected to the rotating member, the first supporting plate fixed to the casing, and the second supporting plate fixedly connected to the rotating member; when the two main bodies are closed, two The casing drives the two first supporting plates to overlap each other, and the second supporting plate rotates with the rotating member relative to the casing to an inclined state with the first supporting plate.
  • a accommodating space is formed between the second supporting plates; when the two main bodies are unfolded, the two casings respectively drive the two first supporting plates to be flush, and the second supporting plates follow the rotation The piece rotates relative to the casing to be flush with the first support plate.
  • An embodiment of the present application provides an electronic device, wherein the electronic device includes the above-mentioned folding device, the electronic device further includes a flexible display screen, and the flexible display screen includes two relatively foldable or unfoldable parts and a connection In the bendable part between the two parts, the two parts are respectively fixed to the two main bodies, and when the two main bodies are closed with each other, the two first supporting plates drive the two parts respectively The two second support plates are closed, and the bendable part is accommodated in the accommodation space between the two second support plates.
  • each of the main bodies of the folding device is provided with a first supporting plate and a second supporting plate rotatable relative to the first supporting plate.
  • the two first supporting plates can be relatively overlapped, and the second supporting plate is inclined relative to the first supporting plate, and the two second supporting plates are formed between the two second supporting plates that can accommodate the display screen. Part of the accommodating space, so that the overall thickness of the folding device in the closed state can be reduced.
  • FIG. 1 is an exploded schematic diagram of an electronic device provided by an embodiment of the present application
  • FIG. 2 is a schematic diagram of a folded state of an electronic device provided by an embodiment of the present application.
  • FIG. 3 is an exploded schematic diagram of an unfolded state of an electronic device provided by an embodiment of the present application.
  • FIG. 4 is a partial schematic diagram of an unfolded state of an electronic device provided by an embodiment of the present application.
  • Figure 5 is a partial schematic diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 6 is a schematic cross-sectional view of the electronic device of FIG. 4 along the VI-VI section;
  • FIG. 7 is a schematic cross-sectional view of the electronic device of FIG. 2 along the VII-VII section.
  • the present application provides an electronic device 1000 that includes a folding device 100 and a flexible display screen 200.
  • the flexible display screen 200 includes a first part 210, a second part 220 that is overlapped or unfolded relative to the first part 210, and a bendable part 230 connected between the first part 210 and the second part 220 .
  • the folding device 100 includes a rotating shaft base 110 and two main bodies 120 disposed on opposite sides of the rotating shaft base 110. The two main bodies 120 can rotate relative to the rotating shaft base 110, so that the two main bodies 120 can drive the first part 210 and the second part 220 to overlap or unfold, respectively.
  • Each of the main bodies 120 is provided with a rotating member 121 that is rotatably connected to the shaft base 110, a casing 122 that is rotatably connected to the rotating member 121, a first support plate 123 fixed to the casing 122, and a fixed connection station.
  • the second supporting plate 124 of the rotating member 121 when the two main bodies 120 are closed, the two casings 122 respectively drive the two first supporting plates 123 to overlap, and the second supporting plate 124
  • a storage space is formed between the two second support plates 124; when the two main bodies 120 are unfolded
  • the second supporting plate 124 rotates with the rotating member 121 relative to the casing 122 to be aligned with the first
  • the supporting plate 123 is in a flush state.
  • the two main bodies 120 can respectively carry the first part 210 and the second part 220, and the two main bodies 120 rotate relative to the shaft base 110 to drive the first part 210 or the second part 220. / And the second part 220 rotates relative to the shaft base 110, so that the first part 210 and the second part 220 are overlapped or unfolded, so that the electronic device 1000 can be folded or unfolded status.
  • the electronic device 1000 may be a device such as a mobile phone, a tablet computer, or a notebook computer.
  • Each main body 120 of the folding device 100 is provided with a first supporting plate 123 and a second supporting plate 124 rotatable relative to the first supporting plate 123.
  • the first supporting plate 123 can be relatively overlapped, and the second supporting plate 124 is inclined relative to the first supporting plate 123, and a bendable portion 230 is formed between the two second supporting plates 124
  • the storage space can reduce the overall thickness of the folding device 100 in the closed state.
  • the rotating shaft base 110 has two side portions that are respectively connected to the two main bodies 120 in rotation.
  • the rotating shaft base 110 roughly forms the rotating shaft structure of the two main bodies 120 so that the two main bodies 120 can be turned over via the rotating shaft base 110.
  • the rotating shaft base 110 has a rectangular rod shape.
  • the rotating shaft base 110 is provided with a rotating shaft housing 111 and a bearing assembly 112 fixed in the rotating shaft housing 111.
  • the bearing assembly 112 rotatably cooperates with the rotation shafts of the two main bodies 120 respectively.
  • the shaft housing 111 stabilizes and protects the bearing assembly 112.
  • the shaft housing 111 includes a shaft bottom plate 1111 and two side plates 1112 fixed to two opposite long sides of the shaft bottom plate 1111.
  • the two main bodies 120 When the two main bodies 120 are superimposed on each other, the two main bodies 120 are approximately joined to the two side plates 1112 respectively, so that the hinge housing 111 is approximately bendable to the flexible display 200
  • the part 230 protects; when the two main bodies 120 are unfolded from each other, the two main bodies 120 are roughly spliced and roughly cover the rotating shaft housing 111, so as to simplify the appearance structure of the electronic device 1000 in the folded state.
  • the main body 120 has a first edge 1201 and a second edge 1202 opposite to the first edge 1201, and the second edge 1202 is adjacent to the shaft base 110.
  • the first edge 1201 extends parallel to the central axis of the shaft base 110 in the length direction.
  • the second edge 1202 is parallel to the first edge 1201.
  • the first edges 1201 of the two main bodies 120 can be fixedly connected to the edges of the first part 210 and the second part 220 respectively.
  • the first edges 1201 of the two main bodies 120 may also be slidably connected to the edges of the first part 210 and the second part 220 respectively.
  • the main body 120 can effectively and stably support the first part 210 of the flexible display screen 200 .
  • the second supporting plate 124 rotates relative to the first supporting plate 123 to an inclined state with the first supporting plate 123, the second supporting plate 124 can shrink toward the bottom of the main body 120, so that the The second support plate 124 can be retreated into a receiving space, so as to use the receiving space to receive the bent portion of the closed flexible display screen 200.
  • the first supporting plate 123 and the second supporting plate 124 can be jointly covered with the casing 122.
  • the first supporting plate 123 is adjacent to the first edge 1201 of the casing 122
  • the second supporting plate 124 is adjacent to the second edge 1202 of the casing 122.
  • the edge of the second supporting plate 124 away from the first supporting plate 123 rotates and contracts toward the inner side of the casing 122.
  • the two second supporting plates 124 are spliced with each other, and can substantially cover the shaft base 110, so that the flexible display screen 200 can be located in the middle.
  • the bent part can be effectively stabilized at the joint of the two second supporting plates 124 in the unfolded state.
  • the rotating member 121 is fixed to a side of the second supporting plate 124 facing the casing 122.
  • the rotating member 121 is provided with a connecting end 1211 protruding from the second support plate 124, and the connecting end 1211 is rotatably connected to the rotating shaft base 110.
  • the part of the rotating member 121 fixedly connected to the second supporting plate 124 can be rotatably connected to the casing 122, so that the second supporting plate 124 can be rotated relative to the first supporting plate 123 via the rotating member 121 .
  • the rotation axis of the connecting end 1211 is arranged parallel to the second edge 1202, so that the two main bodies 120 can be expanded or overlapped with each other.
  • the main body 120 may be arranged with a plurality of rotating members 121 equally spaced along the length direction of the second edge 1202.
  • the rotating parts 121 of the two main bodies 120 can be rotatably connected to the same rotating shaft of the rotating shaft base 110, or can be respectively rotatably connected to two different rotating shafts on the rotating shaft base 110.
  • the rotating parts 121 of the two main bodies 120 may be arranged symmetrically along the central axis of the shaft base 110 in the length direction on the shaft base 110, or may be arranged on the shaft base 110 in the length direction. Staggered on the central axis.
  • the casing 122 is provided with a rotation limit pin 1221
  • the rotation member 121 is provided with an arc-shaped sliding groove 1212
  • the arc-shaped sliding groove 1212 The center of the arc is at the junction of the first support plate 123 and the second support plate 124, and the rotation limit pin 1221 is slidably engaged with the arc-shaped sliding groove 1212 to drive the rotating member 121 It can rotate relative to the casing 122.
  • the rotation limiting pin 1221 is disposed at a position away from the first edge 1201 of the casing 122.
  • the length direction of the rotation limiting pin 1221 is substantially parallel to the rotation axis of the rotating member 121.
  • the arc-shaped sliding groove 1212 is provided in a part of the rotating member 121 that is fixedly connected to the second support plate 124.
  • the arc-shaped sliding groove 1212 extends along a circular arc curve.
  • the rotation limit pin 1221 is provided with two opposite arc-shaped mating surfaces, and the arc-shaped sliding groove 1212 is provided with two arc-shaped guide surfaces respectively matching the two arc-shaped mating surfaces.
  • the casing 122 and the first supporting plate 123 can be rotated relative to the rotating member 121 and the second rotating plate.
  • the center of the arc curve of the arc-shaped sliding groove 1212 in the extending direction is at the junction of the first support plate 123 and the second support plate 124, so that the second support plate 124 can be close to the first support plate 124.
  • the edge of a supporting plate 123 serves as a rotating shaft relative to the first supporting plate 123.
  • the arc-shaped sliding groove 1212 has two opposite closed ends, and the closed ends limit the rotation limit pin 1221 to limit the rotation of the second support plate 124 relative to the first support plate 123 The angle prevents the second supporting plate 124 from rotating at an excessively large angle relative to the first supporting plate 123 and damaging the flexible display screen 200.
  • the casing 122 may also be provided with an arc-shaped sliding groove 1212, and the rotating member 121 is provided with the rotation limiting pin 1221, so that the rotating member 121 can be opposed to the casing. 122 rotation.
  • the casing 122 is provided with a receiving groove 1222, the end of the rotating member 121 is received in the receiving groove 1222, and the rotation limit pin 1221 passes through the receiving groove 1222, and the arc-shaped sliding groove 1212 is disposed at the end of the rotating member 121 received in the receiving groove 1222.
  • the opening of the accommodating groove 1222 faces substantially perpendicular to the length direction of the rotation limiting pin 1221.
  • the receiving groove 1222 has two mating inner walls arranged oppositely.
  • the matching inner wall is in clearance fit with the two outer side walls of the end of the rotating member 121 to limit the rotating member 121 and prevent the rotating member 121 from moving laterally along the length of the rotating limiting pin 1221.
  • Two ends of the rotation limiting pin 1221 respectively pass through the two matching inner walls, so that the rotating member 121 and the casing 122 are structurally stable.
  • the casing 122 includes a rear casing 1223 and a casing connector 1224 fixed in the rear casing 1223.
  • the first support plate 123 is connected to the rear casing 1223 and partially covers the rear casing 1223.
  • the housing connecting piece 1224, the receiving groove 1222 is provided in the housing connecting piece 1224, and the rotating piece 121 is rotatably connected to the housing connecting piece 1224.
  • the rear shell 1223 is provided with a fixing groove 1220, and the casing connecting member 1224 is fixed in the fixing groove 1220.
  • the casing 122 may be provided with a plurality of casing connecting members 1224, and each casing connecting member 1224 is rotatably connected with each rotating member 121.
  • a plurality of the casing connecting members 1224 may be arranged equidistantly along the edge of the first supporting plate 123.
  • the rear case 1223 is covered with the first support plate 123, and a storage space can be formed between the rear case 1223 and the first support plate 123, and the storage space can be used to store functional devices. It can be a motherboard, antenna, speaker, camera, etc.
  • the housing connection piece 1224 is fixed in the storage space, and one end of the housing connection piece 1224 protrudes relative to the edge of the first support plate 123 to facilitate the rotation connection of the housing connection piece 1224. ⁇ 121 ⁇ Said rotating member 121. That is, the receiving groove 1222 and the rotation limiting pin 1221 are both provided at the end of the casing connecting member 1224 protruding from the first support plate 123.
  • the casing connector 1224 is provided with two opposite fixing plates 1225, the receiving slot 1222 is arranged between the two fixing plates 1225, and the two ends of the rotation limit pin 1221 are respectively It is fixed to the two fixing plates 1225, and the fixing plates 1225 are in clearance fit with the rotating member 121.
  • the matching inner wall is disposed on the fixing plate 1225.
  • Two ends of the rotation limiting pin 1221 respectively pass through the two fixing plates 1225, and the rotation limiting pin 1221 is detachably connected to the fixing plate 1225.
  • the end of the casing connector 1224 protruding from the edge of the first support plate 123 is provided with an inclined mating surface 1225.
  • the second supporting plate 124 When the second supporting plate 124 rotates relative to the first supporting plate 123 to an inclined state, the second supporting plate 124 substantially cooperates with the inclined mating surface 1225 to facilitate the second supporting plate 124 It can rotate relative to the first supporting plate 123 and increase the stability of the second supporting plate 124 and the casing connecting member 1224.
  • each of the main bodies 120 is further provided with a limit connector 125 that is rotatably connected to the shaft base 110 and slidably connected to the casing 122, and the two limit connectors 125 respectively limit two The main body 120 rotates within the angle range from the phase closed to the phase unfolded.
  • the limit connecting member 125 limits the rotation angle of the main body 120 relative to the shaft base 110, so that the main body 120 rotates relative to the shaft base 110 within a certain angle range. .
  • the rotatable angle of the main body 120 relative to the rotating shaft base 110 is approximately within the included angle range of 90°.
  • the two main bodies 120 When the two main bodies 120 are rotated to the maximum included angle state, the two main bodies 120 are approximately unfolded so that the flexible display screen 200 is laid flat on the two main bodies 120, and the limit connecting piece 125 restricts the two main bodies 120 from continuing to unfold, so as to prevent the flexible display screen 200 from being damaged.
  • the rotating shaft of the limiting connecting member 125 relative to the rotating shaft base 110 and the rotating shaft connecting the rotating member 121 to the rotating shaft base 110 are arranged non-coaxially, so as to ensure that the limiting connecting member 125 can be opposite to the rotating shaft.
  • the rotation angle of the casing 122 is effectively restricted.
  • a limiting boss 1226 extends from one side of the casing connecting piece 1224.
  • the limiting boss 1226 is provided with a limiting sliding groove 1227 extending linearly, and the extending direction of the limiting sliding groove 1227 is substantially parallel to the first supporting plate 123.
  • One end of the limit connecting member 125 is slidably fitted with the limit chute 1227, and the other end is rotatably connected to the shaft base 110.
  • the limiting chute 1227 has two closed limiting ends. When one end of the limiting connecting member 125 slides to the limiting end, the two main bodies 120 rotate to a closed state or open to each other. status.
  • the limiting boss 1226 is provided with two opposite limiting plates 1228, and a receiving groove is provided between the two limiting plates 1228.
  • the limiting chute 1227 is provided on the limiting plate 1228, the end of the limiting connecting piece 125 can be received in the receiving groove, and the end of the limiting connecting piece 125 is provided with The sliding column with the sliding fit of the limit sliding groove.
  • the limiting boss 1226 is used to connect with the limiting connecting member 125, so that the limiting connecting member 125 and the rotating member 121 can be staggered, so that the main body 120 can rotate smoothly relative to the shaft base 110 , And the thickness of the main body 120 can be reduced to prevent the limit connecting member 125 from stacking with the rotating member 121 in the direction perpendicular to the flexible display screen 200.
  • the limit connecting member 125 may be provided with a limit sliding groove 1227, and the casing connecting member 1224 is provided with a sliding block that is slidably engaged with the limit sliding groove 1227.
  • the rotating shaft base 110 is provided with a synchronous transmission assembly 113, which is coupled to the two limit connectors 125, so that the two Each of the main bodies 120 can rotate synchronously with respect to the rotating shaft base 110.
  • the synchronous transmission assembly 113 is provided with a synchronous transmission gear set, and the synchronous transmission gear set is connected to the two limit connectors 125, so that the two limit connectors 125 can face each other.
  • the rotating shaft base 110 rotates synchronously.
  • the synchronous transmission assembly 113 can also be provided with a synchronous transmission linkage group, so as to realize the synchronous rotation of the two limit connecting members 125 relative to the shaft base 110.
  • the rotating shaft base 110 is provided with two bearing blocks 114, the rotating parts 121 of the two main bodies 120 are respectively rotatably connected to the two bearing blocks 114, and a distance is set between the two bearing blocks 114. 115, the end of the limit connecting member 125 rotatably connected to the shaft base 110 is located in the distance 115, and the synchronous transmission assembly 113 is located in the distance 115.
  • the bearing block 114 is provided with a rotating shaft groove 116, and the inner wall of the rotating shaft groove 116 is provided with a rotating guide groove 117.
  • An end of the rotating member 121 away from the casing 122 is provided with a rotating wheel 1213, and the rotating wheel 1213 is rotatably matched with the rotating shaft groove 116.
  • the outer wall of the rotating wheel 1213 is provided with a rotating guide flange 1214 that cooperates with the rotating guide groove 117.
  • the rotation axis groove 116 of the bearing block 114 is matched with the rotation wheel 1213 of the rotation member 121, so that the rotation angle of the rotation member 121 relative to the rotation axis base 110 can be greater than 90, so that the two second The edges of the supporting plate 124 close to the first supporting plate 123 can be close to each other, and a receiving space can be formed between the two second supporting plates 124.
  • the rotation guide groove 117 cooperates with the rotation guide flange 1214 to prevent the rotation wheel 1213 from being separated from the rotation shaft base 110 and increase the smoothness of the rotation of the rotation member 121 relative to the rotation shaft base 110.
  • the second supporting plate 124 is substantially stacked with the rotating wheels 1213, and the two rotating wheels 1213 are staggered with each other, and the distance between the two rotating wheels 1213 can be effectively reduced.
  • the two main bodies 120 are in a mutually expanded state, the two second supporting plates 124 are closer together, that is, the two second supporting plates 124 are substantially spliced together.
  • the rotating wheel 1213 rotates in a direction out of the rotating shaft groove 116, and the second supporting plate 124 is away from the first supporting plate
  • the edge of 123 can slide along the inner wall of the shaft groove 116 relative to the shaft base 110, so that the edge of the second support plate 124 away from the first support plate 123 shrinks toward the bottom of the shaft base 110, As a result, a larger accommodating space can be provided between the two second supporting plates 124 to accommodate the bendable part of the flexible display screen 200.
  • the rotating parts 121 of the two main bodies 120 are arranged staggered on opposite sides of the rotating shaft base 110, and the rotating shaft base 110 corresponds to each of the rotating shaft grooves 116 facing the other side.
  • a side of the main body 120 is provided with an escape groove 118, and the escape groove 118 allows the edge of the second support plate 124 away from the first support plate 123 to shrink relative to the bottom of the shaft base 110.
  • the avoidance groove 118 is provided on the bearing block 114 and is arranged side by side with the shaft groove 116.
  • Each of the rotation guide grooves 117 is connected to the corresponding avoidance groove 118, so that the structure of the rotation shaft groove 116 and the avoidance groove 118 on the bearing block 114 is more compact, and the rotation shaft is reduced.
  • the volume of the base 110 makes the electronic device 1000 thinner and lighter.
  • the geometric center axis of the avoidance groove 118 is coaxially arranged with the geometric center axis of the shaft groove 116 on the other bearing block 114, and the inner diameter of the avoidance groove 118 is the same as that on the other bearing block 114.
  • the inner diameter of the shaft groove 116 is substantially the same.
  • the avoidance groove 118 may also be a rectangular groove.
  • Each main body 120 of the folding device 100 is provided with a first supporting plate 123 and a second supporting plate 124 rotatable relative to the first supporting plate 123.
  • the first supporting plate 123 can be relatively overlapped, and the second supporting plate 124 is inclined relative to the first supporting plate 123, and the second supporting plate 124 is formed between the two second supporting plates 124 that can accommodate the bent portion of the display screen.
  • the storage space can reduce the overall thickness of the folding device 100 in the closed state.

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

Abstract

本申请公开了一种折叠装置及电子设备，所述折叠装置包括转轴基座和设置于所述转轴基座相对两侧的两个主体，每一所述主体设有转动连接所述转轴基座的转动件、转动连接所述转动件的机壳、固定于所述机壳的第一支撑板和固定连接所述转动件的第二支撑板；当两个所述主体相闭合时，所述第二支撑板随所述转动件相对所述机壳转动至与所述第一支撑板相倾斜状态，两个所述第二支撑板之间形成收容空间；当两个所述主体相展开时，所述第二支撑板随所述转动件相对所述机壳转动至与所述第一支撑板呈相平齐状态。两个所述第二支撑板之间形成可收容显示屏弯折部分的收容空间，从而使得所述折叠装置在闭合状态的整体厚度可减小。

Description

折叠装置及电子设备 技术领域
申请涉及通讯设备领域，尤其涉及一种折叠装置及电子设备。
背景技术
目前可折叠手机中，通过将手机的显示屏进行对折，实现将手机小型化，方便用户携带手机。然而，目前在对显示屏进行折叠的过程中，显示屏的可弯折部分存在弯曲半径，显示屏无法完全闭合，导致可折叠手机连接显示屏相对两部分的两个主体无法完全闭合，整体厚度较大。
发明内容
本申请实施例提供一种折叠装置，其中，所述折叠装置包括转轴基座和设置于所述转轴基座相对两侧的两个主体，每一所述主体设有转动连接所述转轴基座的转动件、转动连接所述转动件的机壳、固定于所述机壳的第一支撑板和固定连接所述转动件的第二支撑板；当两个所述主体相闭合时，两个所述机壳分别带动两个所述第一支撑板相重叠，所述第二支撑板随所述转动件相对所述机壳转动至与所述第一支撑板相倾斜状态，两个所述第二支撑板之间形成收容空间；当两个所述主体相展开时，两个所述机壳分别带动两个所述第一支撑板相平齐，所述第二支撑板随所述转动件相对所述机壳转动至与所述第一支撑板呈相平齐状态。
本申请实施例提供一种电子设备，其中，所述电子设备包括上述的折叠装置，所述电子设备还包括柔性显示屏，所述柔性显示屏包括两个可相对叠合或展开的部分和连接于所述两部分之间的可弯折部分，所述两部分分别固定于所述两个主体，在所述两个主体相互闭合时，所述两个第一支撑板分别带动所述两部分相闭合，所述可弯折部分收容于所述两个所述第二支撑板之间的收容空间。
本申请实施例提供的折叠装置及电子设备，通过所述折叠装置的每一所述主体设置第一支撑板和可相对所述第一支撑板转动的第二支撑板，在两个所述主体相闭合时，两个所述第一支撑板可相对重叠，而所述第二支撑板相 对所述第一支撑板倾斜，并且两个所述第二支撑板之间形成可收容显示屏弯折部分的收容空间，从而使得所述折叠装置在闭合状态的整体厚度可减小。
附图说明
为了更清楚地说明申请的技术方案，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，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的电子设备的分解示意图；
图2是本申请实施例提供的电子设备的折叠状态示意图；
图3是本申请实施例提供的电子设备的展开状态分解示意图；
图4是本申请实施例提供的电子设备的展开状态局部示意图；
图5是本申请实施例提供的电子设备的局部示意图；
图6是图4的电子设备的沿VI-VI剖面的截面示意图；
图7是图2的电子设备的沿VII-VII剖面的截面示意图。
具体实施方式
下面将结合申请实施方式中的附图，对申请实施方式中的技术方案进行清楚、完整地描述。
请参阅图1、图2和图3，本申请提供一种电子设备1000，所述电子设备1000包括折叠装置100和柔性显示屏200。所述柔性显示屏200包括第一部分210和相对所述第一部分210叠合或展开的第二部分220，以及连接于所述第一部分210和所述第二部分220之间的可弯折部分230。所述折叠装置100包括转轴基座110和设置于所述转轴基座110相对两侧的两个主体120。两个所述主体120可相对所述转轴基座110转动，实现两个所述主体120可分别带动所述第一部分210和所述第二部分220相叠合或相展开。
每一所述主体120设有转动连接所述转轴基座110的转动件121、转动连接所述转动件121的机壳122、固定于所述机壳122的第一支撑板123和固定连接所述转动件121的第二支撑板124；当两个所述主体120相闭合时，两个所述机壳122分别带动两个所述第一支撑板123相重叠，所述第二支撑板124 随所述转动件121相对所述机壳122转动至与所述第一支撑板123相倾斜状态，两个所述第二支撑板124之间形成收容空间；当两个所述主体120相展开时，两个所述机壳122分别带动两个所述第一支撑板123相平齐，所述第二支撑板124随所述转动件121相对所述机壳122转动至与所述第一支撑板123呈相平齐状态。
可以理解的是，所述两个主体120分别可承载所述第一部分210和所述第二部分220，两个所述主体120相对所述转轴基座110转动，实现带动所述第一部分210或/和所述第二部分220相对所述转轴基座110转动，实现所述第一部分210与所述第二部分220相叠合或展开，使得所述电子设备1000可呈现折叠或展开两种使用状态。所述电子设备1000可以是手机、或平板电脑、或笔记本电脑等设备。
通过所述折叠装置100的每一所述主体120设置第一支撑板123和可相对所述第一支撑板123转动的第二支撑板124，在两个所述主体120相闭合时，两个所述第一支撑板123可相对重叠，而所述第二支撑板124相对所述第一支撑板123倾斜，并且两个所述第二支撑板124之间形成可收容可弯折部分230的收容空间，从而使得所述折叠装置100在闭合状态的整体厚度可减小。
本实施方式中，所述转轴基座110具有分别转动连接两个所述主体120的两个侧部。所述转轴基座110大致形成两个所述主体120的转轴结构，以使得两个所述主体120可经所述转轴基座110相互翻转。所述转轴基座110呈矩形杆状。所述转轴基座110设有转轴壳体111和固定于所述转轴壳体111内的轴承组件112。所述轴承组件112分别与两个所述主体120的转动轴转动配合。所述转轴壳体111对所述轴承组件112进行稳固以及防护。所述转轴壳体111包括转轴底板1111和固定于所述转轴底板1111相对两长边的两侧板1112。当两个所述主体120相互叠合时，两个所述主体120大致分别与两个所述侧板1112拼接，以使所述转轴壳体111大致对所述柔性显示屏200的可弯折部分230进行防护；当两个所述主体120相互展开时，两个所述主体120大致拼接，且大致遮盖所述转轴壳体111，以简化所述电子设备1000在折叠状态的外观结构。
本实施方式中，所述主体120具有第一边缘1201和与所述第一边缘1201 相对的第二边缘1202，所述第二边缘1202邻近所述转轴基座110。所述第一边缘1201沿平行所述转轴基座110在长度方向的中心轴线延伸。所述第二边缘1202与所述第一边缘1201相平行。两个所述主体120的第一边缘1201可分别固定连接所述第一部分210的边缘和所述第二部分220的边缘。两个所述主体120的第一边缘1201也可以是分别滑动连接所述第一部分210的边缘和所述第二部分220的边缘。当所述第二支撑板124相对所述第一支撑板123转动至与所述第一支撑板123相平齐状态，所述主体120可对所述柔性显示屏200的第一部分210有效平稳支撑。当所述第二支撑板124相对所述第一支撑板123转动至与所述第一支撑板123相倾斜状态，所述第二支撑板124可朝所述主体120的底部收缩，以使得所述第二支撑板124可退让处收容空间，以利用所述收容空间对闭合后的柔性显示屏200的弯折部分进行收容。
本实施方式中，所述第一支撑板123和所述第二支撑板124可共同与所述机壳122相盖合。所述第一支撑板123邻近所述机壳122的第一边缘1201，所述第二支撑板124邻近所述机壳122的第二边缘1202。当所述第二支撑板124相对所述第一支撑板123倾斜时，所述第二支撑板124远离所述第一支撑板123的边缘朝所述机壳122内侧转动收缩。在两个所述第一支撑板123闭合状态下，两个所述第二支撑板124靠近所述第一支撑板123的边缘相互靠拢，而远离所述第一支撑板123的边缘相互远离，从而使得两个所述第二支撑板124之间可形成大致呈三角形柱体的收容空间，以方便所述柔性显示屏200的弯曲部分收容于两个所述第二支撑板124之间，方便所述电子设备1000在折叠状态下，所述柔性显示屏200的弯曲部分实现弯曲半径补偿，保证了所述柔性显示屏200的安全性。在两个所述第二支撑板124相互平齐的状态下，两个所述第二支撑板124相互拼接，并且大致可覆盖所述转轴基座110，使得所述柔性显示屏200的中间可弯曲部分在展开状态下能够有效稳固于两个所述第二支撑板124相拼接处。
本实施方式中，所述转动件121固定于所述第二支撑板124朝向所述机壳122的一侧。所述转动件121设有相对所述第二支撑板124凸出的连接端部1211，所述连接端部1211转动连接于所述转轴基座110。所述转动件121固定连接所述第二支撑板124的部分可转动连接所述机壳122，以实现所述第 二支撑板124经所述转动件121可相对所述第一支撑板123转动。所述连接端部1211的转动轴线平行所述第二边缘1202设置，以使得两个所述主体120可相互展开或叠合。所述主体120可以沿所述第二边缘1202长度方向排布多个等距排列的转动件121。两个所述主体120的转动件121可转动连接于所述转轴基座110的同一个转动轴，也可以分别转动连接于所述转轴基座110上两个不同的转动轴。两个所述主体120的转动件121在所述转轴基座110上可以是沿所述转轴基座110在长度方向的中心轴线对称排布，也可以是在所述转轴基座110在长度方向的中心轴线上交错排布。
进一步地，请一并参阅图3、图6和图7，图所述机壳122设有转动限位销1221，所述转动件121设有弧形滑动槽1212，所述弧形滑动槽1212的圆弧圆心在所述第一支撑板123与所述第二支撑板124的交界处，所述转动限位销1221与所述弧形滑动槽1212可滑动配合，以带动所述转动件121可相对所述机壳122转动。
本实施方式中，所述转动限位销1221设置于所述机壳122远离所述第一边缘1201处。所述转动限位销1221的长度方向大致平行所述转动件121的转动轴向。所述弧形滑动槽1212设置于所述转动件121固定连接所述第二支撑板124的部分。所述弧形滑动槽1212沿圆弧曲线延伸。所述转动限位销1221设有两个相对弧形配合面，所述弧形滑动槽1212设有与两个所述弧形配合面分别相配合的两个弧形导向面。利用所述转动限位销1221沿所述弧形滑动槽1212滑动设置，可使得所述机壳122和所述第一支撑板123相对所述转动件121及所述第二转动板转动。所述弧形滑动槽1212在延伸方向的圆弧曲线的圆心在所述第一支撑板123与所述第二支撑板124的交界处，使得所述第二支撑板124可将靠近所述第一支撑板123的边缘作为相对所述第一支撑板123转动的转轴。所述弧形滑动槽1212具有两个相对的封闭端，所述封闭端对所述转动限位销1221进行限位，以限制所述第二支撑板124相对所述第一支撑板123的转动角度，防止所述第二支撑板124相对所述第一支撑板123转动角度过大而损毁所述柔性显示屏200。当然，在其他实施方式中，也可以是所述机壳122设置弧形滑动槽1212，所述转动件121设置所述转动限位销1221，以实现所述转动件121可相对所述机壳122转动。
进一步地，请一并参阅图3、图4和图5，所述机壳122设有收容槽1222，所述转动件121的端部收容于所述收容槽1222内，所述转动限位销1221穿过所述收容槽1222，所述弧形滑动槽1212设置于所述转动件121收容于所述收容槽1222的端部。
本实施方式中，所述收容槽1222的开口朝向大致垂直所述转动限位销1221的长度方向。所述收容槽1222具有两个相对设置的配合内壁。所述配合内壁与所述转动件121的端部两外侧壁间隙配合，以实现对所述转动件121进行限位，防止所述转动件121沿所述转动限位销1221长度方向横向移动。所述转动限位销1221的两端分别穿过两个所述配合内壁，以使得所述转动件121与所述机壳122结构稳固。
具体的，所述机壳122包括后壳1223和固定于所述后壳1223内的机壳连接件1224，所述第一支撑板123与所述后壳1223相盖合，并部分覆盖所述机壳连接件1224，所述收容槽1222设置于所述机壳连接件1224，所述转动件121与所述机壳连接件1224转动连接。所述后壳1223设有固定槽1220，所述机壳连接件1224固定于所述固定槽1220内。所述机壳122可以设有多个所述机壳连接件1224，每一所述机壳连接件1224与每一所述转动件121转动连接。多个所述机壳连接件1224可以沿所述第一支撑板123的边缘等距排列。所述后壳1223与所述第一支撑板123相盖合，所述后壳1223与所述第一支撑板123之间可形成收纳空间，所述收纳空间可用于收纳功能器件，该功能器件可以是主板、天线、扬声器、摄像头等器件。所述机壳连接件1224固定于所述收纳空间内，并且所述机壳连接件1224的一端相对所述第一支撑板123的边缘凸出，以方便所述机壳连接件1224转动连接所述转动件121。即所述收容槽1222和所述转动限位销1221均设置于所述机壳连接件1224相对所述第一支撑板123凸出的端部。
更为具体的，所述机壳连接件1224设有相对的两个固定板1225，所述收容槽1222设置于两个所述固定板1225之间，所述转动限位销1221的两端分别固定于两个所述固定板1225，所述固定板1225与所述转动件121间隙配合。所述配合内壁设置于所述固定板1225。所述转动限位销1221的两端分别穿过两个所述固定板1225，并且所述转动限位销1221可拆卸连接于所述固定板 1225。所述机壳连接件1224相对所述第一支撑板123边缘凸出的端部设有倾斜配合面1225。当所述第二支撑板124相对所述第一支撑板123转动至相倾斜状态时，所述第二支撑板124大致与所述倾斜配合面1225相配合，以方便所述第二支撑板124可相对所述第一支撑板123转动，以及增加所述第二支撑板124与所述机壳连接件1224的稳固性。
进一步地，每一所述主体120还设有转动连接所述转轴基座110并滑动连接所述机壳122的限位连接件125，两个所述限位连接件125分别限制两个所述主体120在相闭合至相展开的夹角范围内转动。
本实施方式中，所述限位连接件125对所述主体120相对所述转轴基座110的转动角度进行限制，以使得所述主体120在一定夹角范围内相对所述转轴基座110转动。所述主体120相对所述转轴基座110可转动角度大致在90°夹角范围内。当两个所述主体120转动至最小夹角状态时，两个所述主体120大致相闭合，并使得所述柔性显示屏200的第一部分210和第二部分220可相贴合，以减小柔性显示屏200在折叠状态下的整体厚度。当两个所述主体120转动至最大夹角状态时，两个所述主体120大致相展开，使得所述柔性显示屏200平铺于两个所述主体120上，且所述限位连接件125限制两个所述主体120继续展开，以防止所述柔性显示屏200损毁。所述限位连接件125相对所述转轴基座110转动的转轴与所述转动件121连接所述转轴基座110的转轴非同轴设置，以保证所述限位连接件125可对所述机壳122的转动角度有效限制。
具体的，所述机壳连接件1224的一侧延伸出限位凸台1226。所述限位凸台1226设有直线延伸的限位滑槽1227，所述限位滑槽1227的延伸方向大致平行所述第一支撑板123。所述限位连接件125一端与所述限位滑槽1227滑动配合，另一端转动连接所述转轴基座110。所述限位滑槽1227具有两个封闭设置的限位端，当所述限位连接件125的一端滑动至所述限位端，两个所述主体120相互转动至相闭合状态或相展开状态。所述限位凸台1226设有两个相对的限位板1228，两个所述限位板1228之间设有容纳槽。所述限位滑槽1227设置于所述限位板1228上，所述限位连接件125的端部可收容于所述容纳槽内，所述限位连接件125的端部设有与所述限位滑动槽滑动配合的滑动 柱。利用所述限位凸台1226与所述限位连接件125连接，使得所述限位连接件125与所述转动件121可相错开，使得所述主体120相对所述转轴基座110转动顺畅，以及可减小所述主体120的厚度，避免所述限位连接件125在垂直所述柔性显示屏200方向与所述转动件121堆叠。当然，在其他实施方式中，也可以是所述限位连接件125设有限位滑槽1227，所述机壳连接件1224上设有与所述限位滑槽1227滑动配合的滑块。
进一步地，请一并参阅图4、图6和图7，所述转轴基座110设有同步传动组件113，所述同步传动组件113联接于两个所述限位连接件125，以使两个所述主体120可同步相对所述转轴基座110转动。
本实施方式中，所述同步传动组件113设有同步传动齿轮组，所述同步传动齿轮组连接于两个所述限位连接件125，以使得两个所述限位连接件125可相对所述转轴基座110同步转动。当然所述同步传动组件113也可以设置同步传动连杆组，以实现两个所述限位连接件125相对所述转轴基座110同步转动。
具体的，所述转轴基座110设有两个轴承块114，两个所述主体120的转动件121分别转动连接于两个所述轴承块114，两个所述轴承块114之间设置间距115，所述限位连接件125转动连接于所述转轴基座110的端部位于所述间距115内，所述同步传动组件113位于所述间距115内。所述轴承块114上设有转轴槽116，所述转轴槽116的内壁设有转动导向槽117。所述转动件121远离所述机壳122的一端设有转动轮1213，所述转动轮1213与所述转轴槽116转动配合。所述转动轮1213的外壁设有与所述转动导向槽117配合的转动导向凸缘1214。利用所述轴承块114的转轴槽116与所述转动件121的转动轮1213配合，使得所述转动件121相对所述转轴基座110的转动角度可以大于90，以使得两个所述第二支撑板124靠近所述第一支撑板123的边缘可相互靠拢，并且两个所述第二支撑板124之间可形成收容空间。所述转动导向槽117与所述转动导向凸缘1214配合，防止所述转动轮1213与所述转轴基座110脱离，增加所述转动件121相对所述转轴基座110的转动顺畅性。
本实施方式中，所述第二支撑板124大致与所述转动轮1213堆叠，而两个所述转动轮1213相互错开，两个所述转动轮1213距离可有效减小。当两 个所述主体120在相互展开状态，两个所述第二支撑板124更加靠近，即实现两个所述第二支撑板124大致呈相拼接状态。当两个所述主体120由展开状态至相闭合状态的折叠过程中，所述转动轮1213朝转出所述转轴槽116的方向转动，所述第二支撑板124远离所述第一支撑板123的边缘可沿所述转轴槽116的内壁相对所述转轴基座110滑动，实现所述第二支撑板124远离所述第一支撑板123的边缘朝所述转轴基座110的底部收缩，使得两个所述第二支撑板124之间可提供更大的收容空间，以收容所述柔性显示屏200的可弯曲部分。
更为具体的，所述两个主体120的转动件121在所述转轴基座110的相对两侧交错排布，所述转轴基座110对应每一所述转轴槽116朝向另一侧所述主体120的一侧设有避空槽118，所述避空槽118可供所述第二支撑板124的远离所述第一支撑板123的边缘相对所述转轴基座110的底部收缩。所述避空槽118设置于所述轴承块114上，且与所述转轴槽116相并排。每一所述转动导向槽117连通至与之对应的避空槽118，以使得所述转轴槽116与所述避空槽118在所述轴承块114上的结构更紧凑，减小所述转轴基座110的体积，使得所述电子设备1000可以更加轻薄。所述避空槽118的几何中心轴线与另一所述轴承块114上的转轴槽116的几何中心轴线同轴设置，且所述避空槽118的内径与另一所述轴承块114上的转轴槽116的内径大致相同。当然，在其他实施方式中，所述避空槽118也可以是设置矩形凹槽。
通过所述折叠装置100的每一所述主体120设置第一支撑板123和可相对所述第一支撑板123转动的第二支撑板124，在两个所述主体120相闭合时，两个所述第一支撑板123可相对重叠，而所述第二支撑板124相对所述第一支撑板123倾斜，并且两个所述第二支撑板124之间形成可收容显示屏弯折部分的收容空间，从而使得所述折叠装置100在闭合状态的整体厚度可减小。
以上是申请的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为申请的保护范围。

Claims (20)

  1. 一种折叠装置，其特征在于，所述折叠装置包括转轴基座和设置于所述转轴基座相对两侧的两个主体，每一所述主体设有转动连接所述转轴基座的转动件、转动连接所述转动件的机壳、固定于所述机壳的第一支撑板和固定连接所述转动件的第二支撑板；当两个所述主体相闭合时，两个所述机壳分别带动两个所述第一支撑板相重叠，所述第二支撑板随所述转动件相对所述机壳转动至与所述第一支撑板相倾斜状态，两个所述第二支撑板之间形成收容空间；当两个所述主体相展开时，两个所述机壳分别带动两个所述第一支撑板相平齐，所述第二支撑板随所述转动件相对所述机壳转动至与所述第一支撑板呈相平齐状态。
  2. 根据权利要求1所述的折叠装置，其特征在于，所述机壳设有转动限位销，所述转动件设有弧形滑动槽，所述弧形滑动槽的圆弧圆心在所述第一支撑板与所述第二支撑板的交界处，所述转动限位销与所述弧形滑动槽可滑动配合，以带动所述转动件可相对所述机壳转动。
  3. 根据权利要求2所述的折叠装置，其特征在于，所述弧形滑动槽具有两个相对的封闭端，所述封闭端对所述转动限位销进行限位，以限制所述第二支撑板相对所述第一支撑板的转动角度。
  4. 根据权利要求2所述的折叠装置，其特征在于，所述机壳设有收容槽，所述转动件的端部收容于所述收容槽内，所述转动限位销穿过所述收容槽，所述弧形滑动槽设置于所述转动件收容于所述收容槽的端部。
  5. 根据权利要求2所述的折叠装置，其特征在于，所述机壳包括后壳和固定于所述后壳内的机壳连接件，所述第一支撑板与所述后壳相盖合，并部分覆盖所述机壳连接件，所述收容槽设置于所述机壳连接件，所述转动件与所述机壳连接件转动连接。
  6. 根据权利要求5所述的折叠装置，其特征在于，所述机壳连接件设有相对的两个固定板，所述收容槽设置于两个所述固定板之间，所述转动限位销的两端分别固定于两个所述固定板，所述固定板与所述转动件间隙配合。
  7. 根据权利要求6所述的折叠装置，其特征在于，所述转动限位销的两端分别穿过两个所述固定板，并且所述转动限位销可拆卸连接于所述固定板。
  8. 根据权利要求2所述的折叠装置，其特征在于，所述转动限位销设有两个相对弧形配合面，所述弧形滑动槽设有与两个所述弧形配合面分别相配合的两个弧形导向面。
  9. 根据权利要求1～8任意一项所述的折叠装置，其特征在于，每一所述主体还设有转动连接所述转轴基座并滑动连接所述机壳的限位连接件，两个所述限位连接件分别限制两个所述主体在相闭合至相展开的夹角范围内转动。
  10. 根据权利要求9所述的折叠装置，其特征在于，所述机壳设有直线延伸的限位滑槽，所述限位连接件一端与所述限位滑槽滑动配合，另一端转动连接所述转轴基座。
  11. 根据权利要求9所述的折叠装置，其特征在于，所述转轴基座设有同步传动组件，所述同步传动组件联接于两个所述限位连接件，以使两个所述主体可同步相对所述转轴基座转动。
  12. 根据权利要求11所述的折叠装置，其特征在于，所述转轴基座设有两个轴承块，两个所述主体的转动件分别转动连接于两个所述轴承块，两个所述轴承块之间设置间距，所述限位连接件转动连接于所述转轴基座的端部位于所述间距内，所述同步传动组件位于所述间距内。
  13. 根据权利要求1～8任意一项所述的折叠装置，其特征在于，所述转轴基座设有转轴槽，所述转轴槽的内壁设有转动导向槽，所述转动件设有转动轮，所述转动件远离所述机壳的一端设有转动轮，所述转动轮与所述转轴槽转动配合，所述转动轮的外壁设有与所述转动导向槽配合的转动导向凸缘。
  14. 根据权利要求13所述的折叠装置，其特征在于，在所述两个主体由展开状态至相闭合状态的折叠过程中，所述第二支撑板远离所述第一支撑板的边缘可沿所述转轴槽的内壁相对所述转轴基座滑动。
  15. 根据权利要求14所述的折叠装置，其特征在于，所述两个主体的转动件在所述转轴基座的相对两侧交错排布，所述转轴基座对应每一所述转轴槽朝向另一侧所述主体的一侧设有避空槽，所述避空槽可供所述第二支撑板的远离所述第一支撑板的边缘相对所述转轴基座的底部收缩。
  16. 根据权利要求15所述的折叠装置，其特征在于，每一所述转动导向槽连通至与之对应的避空槽。
  17. 一种电子设备，其特征在于，所述电子设备包括权利要求1～16任意一项所述的折叠装置，所述电子设备还包括柔性显示屏，所述柔性显示屏包括两个可相对叠合或展开的部分和连接于所述两部分之间的可弯折部分，所述两部分分别固定于所述两个主体，在所述两个主体相互闭合时，所述两个第一支撑板分别带动所述两部分相闭合，所述可弯折部分收容于所述两个所述第二支撑板之间的收容空间。
  18. 根据权利要求17所述的电子设备，其特征在于，所述主体具有第一边缘和与所述第一边缘相对的第二边缘，所述第二边缘邻近所述转轴基座，两个所述第一边缘分别连接所述第一部分和所述第二部分。
  19. 根据权利要求18所述的电子设备，其特征在于，两个所述第一边缘分别固定连接所述第一部分的边缘和所述第二部分的边缘。
  20. 根据权利要求18所述的电子设备，其特征在于，两个所述第一边缘分别滑动连接所述第一部分的边缘和所述第二部分的边缘。
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