WO2023065850A1 - 转动机构、支撑装置和电子设备 - Google Patents

转动机构、支撑装置和电子设备 Download PDF

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Publication number
WO2023065850A1
WO2023065850A1 PCT/CN2022/116604 CN2022116604W WO2023065850A1 WO 2023065850 A1 WO2023065850 A1 WO 2023065850A1 CN 2022116604 W CN2022116604 W CN 2022116604W WO 2023065850 A1 WO2023065850 A1 WO 2023065850A1
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WO
WIPO (PCT)
Prior art keywords
base
door panel
rotating mechanism
connection end
connection
Prior art date
Application number
PCT/CN2022/116604
Other languages
English (en)
French (fr)
Inventor
高久亮
严斌
董绍洪
张翼鹤
Original Assignee
荣耀终端有限公司
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 荣耀终端有限公司 filed Critical 荣耀终端有限公司
Priority to EP22830352.5A priority Critical patent/EP4195631A4/en
Publication of WO2023065850A1 publication Critical patent/WO2023065850A1/zh

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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
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • 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
    • G06F1/1683—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts for the transmission of signal or power between the different housings, e.g. details of wired or wireless communication, passage of cabling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components

Definitions

  • the present application relates to the technical field of electronic equipment, in particular to a rotating mechanism, a supporting device and electronic equipment.
  • the foldable electronic device realizes the miniaturization of the electronic device by folding the electronic device in half so as to be convenient for the user to carry.
  • the foldable electronic device includes a relatively rotatable first housing and a second housing. Due to communication, power supply and other requirements, a large number of electrical signals need to be exchanged.
  • the electronic devices in the first housing and the second housing are connected through connectors (such as flexible circuit board) for electrical connection.
  • connectors such as flexible circuit board
  • the present application provides a rotating mechanism, a supporting device and an electronic device, which increase the space utilization rate inside the electronic device, and can increase the width of a connector for electrically connecting a main circuit board and an auxiliary circuit board in a limited space.
  • the present application provides a rotating mechanism, the rotating mechanism includes a base, a first door panel and a first connecting arm, the two axial ends of the base are respectively the first end and the second end, and the first connecting arm
  • the two ends of the extension direction are respectively the first connection end and the second connection end, the first connection end is connected to the base, the second connection end is connected to the first door panel, and between the first connection end and the base and/or the second
  • There is a degree of freedom of rotation between the connecting end and the first door panel in the first direction, the distance between the center of the second connecting end and the first end is greater than the distance between the center of the first connecting end and the first end, wherein the first One direction is parallel to the rotation axis of the first door panel.
  • the distance between the center of the second connection end and the first end is greater than the distance between the center of the first connection end and the first end, which is beneficial to increase the distance between the center of the first connection end and the first end.
  • the width of the connecting piece between the connecting arm and the first end of the base increases the space utilization ratio inside the electronic device, and realizes a wider wiring width of the connecting piece in a limited space.
  • the minimum distance between the side wall of the second connection end close to the first end and the first end is greater than the side wall of the first connection end close to the first end The minimum distance between the wall and the first end. Therefore, it is beneficial to further increase the trace width of the connecting element.
  • the first connecting arm further includes an intermediate connecting section located between the first connecting end and the second connecting end, and in the second direction, the intermediate connecting section faces away from the first end
  • the second direction extends from the base to the first door panel.
  • the intermediate connection section in the second direction, extends along a curve toward a direction away from the first end.
  • the intermediate connecting section extends obliquely along a straight line toward a direction away from the first end.
  • the width of the second connection end is smaller than the width of the first connection end. That is to say, the size of the second connection end in the extension direction of the rotation axis of the first housing or the first door panel is smaller than the size of the first connection end in the extension direction of the rotation axis of the first housing or the first door panel. In this way, it is beneficial to further increase the distance between the first fixing block and the first end of the base, thereby increasing the width of the connecting piece arranged between the first fixing block and the first end of the base.
  • the side wall of the first connection end away from the first end is flush with the side wall of the second connection end away from the first end, and the width of the first connection end is smaller than that of the second connection end. width.
  • the distance between the center of the second connection end and the first end is greater than the distance between the center of the first connection end and the first end, and at the same time it is beneficial to reduce the distance between the first fixed block and the first end.
  • the dimension in the extension direction of the rotation axis of the first door panel is conducive to increasing the distance between the first fixed block and the first end of the base, thereby increasing the distance between the first fixed block and the first end of the base.
  • the width of the first connecting arm gradually decreases.
  • the structure is simple and the processing is convenient.
  • the side wall of the first connecting arm close to the first end extends toward a direction away from the first end, and the side wall of the first connecting arm far away from the first end
  • the sidewall is parallel to the end surface of the first end.
  • the first connection end is rotatably connected to the base, and the second connection end is rotatably and/or slidably connected to the first door panel.
  • the rotating mechanism further includes: a second door panel and a second connecting arm, the second door panel and the first door panel are respectively arranged on opposite sides of the base, and the second door panel and the base Rotatably connected; the second connecting arm and the first connecting arm are arranged at intervals along the axial direction of the base, and the second connecting arm is located on the side of the first connecting arm away from the first end, and the extension direction of the second connecting arm
  • the two ends are respectively the third connection end and the fourth connection end, the third connection end is connected to the base, the fourth connection end is connected to the second door panel, between the third connection end and the base and/or between the fourth connection end and the
  • the minimum distance between the fourth connection end and the second end is greater than the distance between the side wall of the third connection end close to the second end and the second end. shortest distance. Therefore, it is beneficial to further increase the trace width of the connecting element.
  • the second connecting arm further includes an intermediate connecting section located between the third connecting end and the fourth connecting end, and in the third direction, the intermediate connecting section faces away from the second end Extending, wherein, the third direction is the direction from the base to the second door panel.
  • the third direction is the direction from the base to the second door panel.
  • the sidewall of the third connection end away from the second end is flush with the sidewall of the fourth connection end away from the second end, and the width of the third connection end is smaller than the width of the fourth connection end.
  • the distance between the center of the fourth connection end and the second end is greater than the distance between the center of the third connection end and the second end, and at the same time, it is beneficial to reduce the size of the second fixing block at the second end.
  • a dimension in the extension direction of the rotation axis of the door panel is conducive to increasing the distance between the first fixed block and the second end of the base, thereby increasing the distance between the first fixed block and the second end of the base. The width of the connector.
  • the width of the second connecting arm gradually decreases.
  • the structure is simple and the processing is convenient.
  • the side wall of the second connecting arm close to the second end extends in a direction away from the second end, and the side wall of the second connecting arm far away from the second end
  • the end face of the second end is parallel.
  • the second connection end is rotatably connected to the base, and the second connection end is rotatably and/or slidably connected to the second door panel.
  • the minimum distance between the side wall of the fourth connection end close to the first end and the first end is greater than the side wall of the first connection end close to the first end The minimum distance between the wall and the first end.
  • the minimum distance between the side wall of the second connection end close to the second end and the second end is greater than the distance between the side wall of the third connection end close to the second end and the second end.
  • the minimum distance between the second ends that is, in the first direction, the sidewall of the second connection end close to the second end is located on a side away from the second end of the sidewall of the third connection end close to the second end.
  • the minimum distance between the side wall of the fourth connection end close to the first end and the first end is greater than or equal to the distance between the second connection end and the first end The minimum distance between the side wall and the first end. In this way, it is possible to further avoid the fourth connection end or the second fixing block from interfering with the assembly of the first flexible circuit board, which is beneficial to increase the width of the first flexible circuit board.
  • the distance between the side wall of the first connection end away from the first end and the side wall of the third connection end close to the first end is greater than or equal to the second The distance between the side wall of the connection end away from the first end and the side wall of the fourth connection end close to the first end.
  • the distance between the second connection end and the first end can be increased, which is conducive to increasing the distance between the first fixing block and the first end, and thus is beneficial to the width of the first flexible circuit board.
  • it can prevent the first fixing block from affecting the assembly of the second flexible circuit board, which is beneficial to increase the width of the second flexible circuit board.
  • the present application provides a supporting device.
  • the supporting mechanism is used to support the folding screen.
  • the supporting mechanism includes a rotating mechanism, a first housing and a second housing.
  • the rotating mechanism is the rotating mechanism of any of the above technical solutions; the first The casing is arranged on one side of the rotating mechanism and connected with the first door panel; the second casing is arranged on the other side of the rotating mechanism, and the second casing is rotatably connected with the rotating mechanism.
  • the first housing and the first door panel are integrally structured.
  • the supporting device provided in the embodiment of the present application includes the rotating mechanism of any one of the above technical solutions, the two can solve the same technical problem and achieve the same effect.
  • the present application provides an electronic device, including: a supporting device and a folding screen, the supporting device is the supporting device of any of the above technical solutions; the folding screen is attached to one side surface of the supporting device.
  • the electronic device provided by the embodiment of the present application includes the supporting device of the above technical solution, both can solve the same technical problem and achieve the same effect.
  • FIG. 1 is a perspective view of an electronic device provided by some embodiments of the present application.
  • Fig. 2 is a schematic structural diagram of the electronic device shown in Fig. 1 when it is in an unfolded state;
  • FIG. 3 is a schematic structural diagram of the electronic device shown in FIG. 1 when it is in a folded state
  • Fig. 4 is a top view of the supporting device in the electronic device shown in Fig. 1;
  • Figure 5 is an exploded view of the supporting device shown in Figure 4.
  • Fig. 6 is a schematic diagram of the assembly structure of the first housing, the second housing and the rotating mechanism in the support device provided by some embodiments of the present application;
  • Fig. 7 is a top view of the assembly structure shown in Fig. 6;
  • Fig. 8 is a schematic diagram of the assembly of the connector and the supporting device shown in Fig. 6;
  • Fig. 9 is an assembly perspective view of a rotating mechanism and a connecting piece provided by other embodiments of the present application.
  • Fig. 10 is a top view of the assembly perspective view shown in Fig. 9;
  • Fig. 11 is an exploded view of the rotating mechanism shown in Fig. 9;
  • Fig. 12 is a perspective view of a rotating mechanism provided in some other embodiments of the present application.
  • Fig. 13 is a top view of the rotating mechanism shown in Fig. 12;
  • Fig. 14 is an exploded view of the rotating mechanism provided by some other embodiments of the present application.
  • Fig. 15 is an exploded view of a rotating mechanism provided by some other embodiments of the present application.
  • Supporting device 21. First shell; 211. First middle frame; 212. First back cover; 22. Second shell; 221. Second middle frame; 222. Second back cover;
  • Rotation mechanism 230, base; 2301, first end; 2302, second end; 230a, first pivot shaft; 230b, first installation groove; 231, first door panel; 232, first connecting arm; 2321 , the first connection end; 2321a, the first pivot hole; 2321b, the third pivot shaft; 2322, the second connection end; 2322a, the second pivot hole; 2323, the middle connection section; 233, the first fixed block; 233a , the second pivot shaft; 233b, the second installation groove; 233c, the first chute; 233d, the pivot groove; 234, the second door panel; 235, the second connecting arm; 2351, the third connecting end; 2352, the fourth Connecting end; 236, the second fixed block; 237, the first limiting structure; 238, the second limiting structure;
  • first”, “second”, “third”, and “fourth” are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly indicating the indicated The number of technical characteristics. Thus, a feature defined as “first”, “second”, “third” and “fourth” may expressly or implicitly include one or more of such features.
  • the term “comprising”, “comprising” or any other variant thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements, but also includes Including other elements not expressly listed, or also including elements inherent in such process, method, article or apparatus.
  • an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the present application provides an electronic device, which is a type of electronic device with a folding screen.
  • the electronic device includes, but is not limited to, a mobile phone, a tablet personal computer, a laptop computer, a personal digital assistant (PDA), a personal computer, a notebook computer (notebook), a vehicle Devices and electronic devices such as wearables such as watches.
  • PDA personal digital assistant
  • notebook notebook computer
  • vehicle Devices electronic devices such as wearables such as watches.
  • FIG. 1 is a perspective view of an electronic device 100 provided by some embodiments of the present application.
  • the electronic device 100 is a folding screen mobile phone.
  • the electronic device 100 includes a folding screen 10 , a supporting device 20 , a main circuit board 30 , an auxiliary circuit board 301 and a connecting piece 40 .
  • the main circuit board 30 , the auxiliary circuit board 301 and the connector 40 are located inside the electronic device 100 , so the outlines are shown by dotted lines.
  • FIG. 1 only schematically shows some components included in the electronic device 100 , and the actual shape, actual size, actual position and actual configuration of these components are not limited by FIG. 1 .
  • the folding screen 10 is used to display images, videos and the like.
  • the folding screen 10 can be folded into a first part 11 and a second part 12 .
  • the folding screen 10 also includes a third part 13 located between the first part 11 and the second part 12 .
  • At least the third part 13 of the folding screen 10 is made of flexible material.
  • the first part 11 and the second part 12 can be made of flexible materials, can also be made of rigid materials, and can also be made of partly rigid materials and partly made of flexible materials, which are not specifically limited here.
  • the folding screen 10 can be an organic light-emitting diode (organic light-emitting diode, OLED) screen, a micro organic light-emitting diode (micro organic light-emitting diode) screen, a quantum dot light-emitting diode (quantum dot light-emitting diodes, QLED) screen , LCD (liquid crystal display, LCD) and so on.
  • OLED organic light-emitting diode
  • micro organic light-emitting diode micro organic light-emitting diode
  • QLED quantum dot light-emitting diodes
  • FIG. 2 is a schematic structural diagram of the electronic device 100 shown in FIG. 1 when the folding screen 10 is in an unfolded state.
  • the first part 11 , the second part 12 and the third part 13 are coplanar and have the same orientation. In this state, large-screen display can be realized, which can provide users with richer information and bring users a better experience.
  • FIG. 3 is a schematic structural diagram of the electronic device 100 shown in FIG. 1 when the folding screen 10 is in a folded state.
  • the folding screen 10 is in the folded state, the third part 13 is in the bent state, and the first part 11 (not shown in FIG. 3 ) is opposite to the second part 12 (not shown in FIG. 3 ).
  • the folding screen 10 is invisible to the user, and the supporting device 20 is protected outside the folding screen 10 to prevent the folding screen 10 from being scratched by hard objects.
  • This type of folding screen mobile phone is an inward folding folding screen mobile phone.
  • the first part 11 and the second part 12 may or may also face away from each other and be in an exposed state.
  • This type of folding screen mobile phone is an outward folding folding screen mobile phone.
  • the supporting device 20 is used to support the folding screen 10 and allow the folding screen 10 to be folded between an unfolded state and a folded state.
  • FIG. 4 is a top view of the supporting device 20 in the electronic device 100 shown in FIG. 1 .
  • the supporting device 20 includes a first housing 21 , a second housing 22 and a rotating mechanism 23 . It can be understood that FIG. 4 only schematically shows some components included in the support device 20 , and the actual shape, actual size, actual position and actual configuration of these components are not limited by FIG. 4 .
  • the first housing 21 is disposed on one side of the rotating mechanism 23 , and the first housing 21 is rotatably connected to the rotating mechanism 23 .
  • the first housing 21 is used to fix and support the first part 11 of the folding screen 10 in FIG. 1 .
  • the first casing 21 has a fitting surface M1, and the first casing 21 is used to fix and support the first part 11 of the folding screen 10 in FIG. 1 through the fitting surface M1.
  • the second housing 22 is disposed on the other side of the rotating mechanism 23 , and the first housing 21 is rotatably connected to the rotating mechanism 23 .
  • the second housing 22 is used to fix and support the second part 12 of the folding screen 10 in FIG. 1 .
  • the second casing 22 has a fitting surface M2, and the second casing 22 is used to fix and support the second part 12 of the folding screen 10 in FIG. 1 through the fitting surface M2.
  • the inside of the first housing 21 forms a first receiving cavity (not shown in the figure).
  • the inside of the second housing 22 forms a second receiving cavity (not shown in the figure).
  • the main circuit board 30 and the auxiliary circuit board 301 of the electronic device 100 are accommodated in the first accommodation chamber and the second accommodation chamber respectively.
  • the main circuit board 30 is accommodated in the first accommodation chamber, and the auxiliary circuit board 301 is accommodated in the second accommodation chamber.
  • the main circuit board 30 can also be accommodated in the second accommodation cavity, and the auxiliary circuit board 301 can be accommodated in the first accommodation cavity.
  • the first housing 21 can be a structural whole, or can be formed by assembling a plurality of parts.
  • the second housing 22 can be a whole structural member, or can be formed by assembling multiple parts.
  • FIG. 5 is an exploded view of the supporting device 20 shown in FIG. 4 .
  • the first casing 21 includes a first middle frame 211 and a first back cover 212 .
  • the bonding surface M1 is located on the first middle frame 211 .
  • the first back cover 212 is fixed on a side of the first middle frame 211 away from the bonding surface M1.
  • the first receiving cavity is formed between the first middle frame 211 and the first back cover 212 .
  • the second casing 22 includes a second middle frame 221 and a second back cover 222 .
  • the bonding surface M2 is located on the second middle frame 221 .
  • the second back cover 222 is fixed on a side of the second middle frame 221 away from the bonding surface M2.
  • the second receiving cavity is formed between the second middle frame 221 and the second back cover 222 .
  • the rotating mechanism 23 is used to support the third part 13 of the folding screen 10 . Moreover, the rotation mechanism 23 is connected between the first housing 21 and the second housing 22 , and the first housing 21 and the second housing 22 are rotatably connected through the rotation mechanism 23 . In some embodiments, the rotating mechanism 23 is connected between the first middle frame 211 of the first casing 21 and the second middle frame 221 of the second casing 22 . In other embodiments, the rotating mechanism 23 may also be connected between the first back cover 212 of the first casing 21 and the second back cover 222 of the second casing 22 .
  • Figure 6 is a schematic diagram of the assembly structure of the first housing 21, the second housing 22 and the rotating mechanism 23 in the support device 20 provided by some embodiments of the present application
  • Figure 7 is a schematic diagram of the assembly structure shown in Figure 6 Top view of the schematic diagram of the assembly mechanism.
  • the rotating mechanism 23 includes a base 230 , a first door panel 231 , a first connecting arm 232 , a first fixing block 233 , a second door panel 234 , a second connecting arm 235 and a second fixing block 236 .
  • FIGS. 6-7 only schematically show some components included in the rotating mechanism 23 , and the actual shape, actual size, actual position and actual configuration of these components are not limited by FIGS. 6-7 .
  • an XYZ coordinate system is established for the base 230 .
  • the axial direction of the base 230 is defined as the Y-axis direction, that is, the extension direction of the rotation axis of the first housing 21 or the first door panel 231 is the Y-axis direction, and the thickness direction of the base 230 is the Z-axis direction.
  • the direction perpendicular to both the Y-axis direction and the Z-axis direction is the X-axis direction. It can be understood that the setting of the coordinate system of the base 230 can be flexibly set according to actual needs, which is not specifically limited here.
  • the first door panel 231 and the second door panel 234 are disposed on opposite sides of the base 230 . Both the first door panel 231 and the second door panel 234 can rotate relative to the base 230 .
  • the first door panel 231 is connected to the first housing 21
  • the second door panel 234 is connected to the second housing 22 .
  • the first door panel 231 and the base 230 are connected through the first connecting arm 232 to achieve rotational connection and movement constraints.
  • the connection between the second door panel 234 and the base 230 is realized through the second connecting arm 235 and the movement restriction.
  • the first fixing block 233 is fixed on the first door panel 231
  • the second fixing block 236 is fixed on the second door panel 234
  • the first connecting arm 232 is connected to the first door panel 231 through the first fixing block 233
  • the second connecting arm 235 is connected to the second door panel 234 through the second fixing block 236 . In this way, the assembly between the first connecting arm 232 and the first door panel 231 is facilitated, which is beneficial to reduce assembly difficulty and improve assembly efficiency.
  • the main circuit board 30 is used to integrate the control chip and electrically connect the folding screen 10 , camera module, earpiece and other electronic devices.
  • the control chip can be, for example, an application processor (application processor, AP), double data rate synchronous dynamic random access memory (double data rate, DDR), and universal flash storage (universal flash storage, UFS).
  • the main circuit board 30 can be a rigid circuit board, a flexible printed circuit (FPC), or a rigid-flex circuit board.
  • the main circuit board 30 may be an FR-4 dielectric board, or a Rogers (Rogers) dielectric board, or a mixed media board of FR-4 and Rogers, and so on.
  • FR-4 is a code name of a flame-resistant material grade
  • Rogers dielectric board is a high-frequency board.
  • the secondary circuit board 301 is used to integrate antenna (such as 5G antenna) radio frequency front end, universal serial bus (universal serial bus, USB) device, oscillator and other electronic components.
  • the secondary circuit board 301 can be a rigid circuit board, a flexible circuit board, or a rigid-flex circuit board.
  • the secondary circuit board 301 may be an FR-4 dielectric board, or a Rogers (Rogers) dielectric board, or a mixed media board of FR-4 and Rogers, and so on.
  • the auxiliary circuit board 301 is electrically connected to the main circuit board 30 through the connector 40, so as to realize the data and signal transmission between the auxiliary circuit board 301 and the main circuit board 30, and then communicate with the inside of the first housing 21 and the second housing 22. related electronics signals.
  • the connector 40 can be a flexible printed circuit (FPC), so that it can adapt to the unfolding and folding of the electronic device 100 .
  • FIG. 8 is an assembly diagram of the connecting member 40 and the supporting device 20 shown in FIG. 6 .
  • the connecting member 40 straddles the rotating mechanism 23 along a direction parallel to the X-axis, so as to communicate signals with related electronic devices inside the first casing 21 and the second casing 22 .
  • the connecting member 40 may also pass through the rotating mechanism 23 along a direction parallel to the X-axis.
  • FIG. 8 there are two connectors 40 , namely a first flexible circuit board 41 and a second flexible circuit board 42 .
  • the first flexible circuit board 41 and the second flexible circuit board 42 are spaced apart in the axial direction of the base 230 .
  • One axial end of the base 230 is a first end 2301
  • the other axial end of the base 230 is a second end 2302
  • the first flexible circuit board 41 is disposed between the first fixing block 233 and the first end 2301 of the base 230
  • the second flexible circuit board 42 is disposed between the second fixing block 236 and the second end 2302 of the base 230 . It can be understood that, in other embodiments, there can be only one connecting piece 40, and the connecting piece 40 can be arranged between the first fixing block 233 and the first end 2301 of the base 230, or the connecting piece 40 can be arranged Between the second fixing block 236 and the second end 2302 of the base 230 .
  • the first end 2301 of the base 230 forms a first limiting structure 237
  • the first flexible circuit board 41 is located between the first fixing block 233 and the first limiting structure 237
  • the second end 2302 of the base 230 forms a second limiting structure 238
  • the second flexible circuit board 42 is located between the second fixing block 236 and the second limiting structure 238 .
  • the first limiting structure 237 and the second limiting structure 238 may also be structures independent of the base 230 .
  • the width of the first flexible circuit board 41 is limited by the distance between the first fixing block 233 and the first limiting structure 237
  • the width of the second flexible circuit board 42 is limited by the distance between the second fixing block 236 and the second
  • the spacing between the limiting structures 238 is limited. Due to the large amount of wiring required for communication between the first housing 21 and the second housing 22, the distance between the first fixing block 233 and the first limiting structure 237 and the distance between the second fixing block 236 and the second limiting structure
  • the distance between the structure 238 and the second fixing block 236 is very limited, and the widths of the first flexible circuit board 41 and the second flexible circuit board 42 cannot be increased, which creates a contradiction.
  • the connecting member 40 is configured as a multi-layer routing structure, or two or more connecting members 40 stacked are arranged to implement routing.
  • this has a negative impact on the reliability and cost of the electronic device 100 .
  • an overly narrow cross-section of the wire will lead to a relatively large resistance, which will also affect the performance of the electronic device 100 .
  • FIG. 9 is an assembly perspective view of the rotating mechanism 23 and the connecting piece 40 provided by some other embodiments of the present application.
  • FIG. 10 is a top view of the assembly perspective view shown in FIG. 9 .
  • the rotating mechanism 23 of this embodiment includes a base 230 , a first connecting arm 232 , a first fixing block 233 , a second door panel 234 , a second connecting arm 235 and a second fixing block 236 . It can be understood that, in other embodiments, the rotating mechanism 23 may not include the second door panel 234 , the second connecting arm 235 and the second fixing block 236 .
  • the first door panel 231 and the second door panel 234 are disposed on opposite sides of the base 230 along the X-axis direction. Both the first door panel 231 and the second door panel 234 are rotatably connected to the base 230 .
  • the first door panel 231 is connected to the first housing 21, and the second door panel 234 is connected to the second housing 22, so as to realize the relative rotation between the first housing 21 and the second housing 22, so that the electronic device 100 is in the unfolded state. Toggle between collapsed and collapsed states.
  • the first door panel 231 and the first casing 21 are connected by means of gluing, screwing, riveting, welding, etc., or the first door panel 231 and the first casing 21 are in an integrated structure, that is, the first A door panel 231 is integrally formed with the first casing 21 .
  • the first door panel 231 is integrally formed with the first middle frame 211 .
  • the second door panel 234 and the second housing 22 are fixedly connected by means of gluing, screwing, riveting, welding, etc., or the second door panel 234 and the second housing 22 are in an integrated structure, that is, , the second door panel 234 is integrally formed with the second housing 22 .
  • the second door panel 234 is integrally formed with the second middle frame 221 .
  • the first fixing block 233 is fixedly connected to the first door panel 231.
  • the first fixing block 233 can be fixed on the first door panel 231 by means of screws, bonding, welding, riveting, etc. .
  • Two ends of the extending direction of the first connecting arm 232 are respectively a first connecting end 2321 and a second connecting end 2322 .
  • "both ends in the extending direction of the first connecting arm 232" refers to "both ends in the lengthwise direction of the first connecting arm 232".
  • the first connection end 2321 is connected to the base 230
  • the second connection end 2322 is connected to the first fixing block 233 .
  • first connection end 2321 and the base 230 may have a degree of freedom of rotation, or there may be a degree of freedom of rotation between the second connection end 2322 and the first fixed block 233, or the first connection Both the connection between the end 2321 and the base 230 and the connection between the second connection end 2322 and the first fixing block 233 have degrees of freedom of rotation.
  • the second fixing block 236 is fixedly connected to the second door panel 234.
  • the second fixing block 236 can be fixed to the second door panel 234 by means of screws, bonding, welding, riveting, etc. superior.
  • the two ends of the extension direction of the second connecting arm 235 are respectively formed as the third connecting end 2351 and the fourth connecting end 2352, that is, the two ends of the second connecting arm 235 in the longitudinal direction are respectively formed as the third connecting end 2351 and the fourth connecting end 2352.
  • Four connection terminals 2352 are respectively formed as the third connecting end 2351 and the fourth connecting end 2352 .
  • the third connection end 2351 is connected to the base 230
  • the fourth connection end 2352 is connected to the second fixing block 236 .
  • connection end 2351 and the base 230 may have a rotational degree of freedom, or there may be a rotational degree of freedom between the fourth connection end 2352 and the first fixed block 233, or the third connection
  • Both the connection between the end 2351 and the base 230 and the connection between the fourth connection end 2352 and the second fixing block 236 have degrees of freedom of rotation.
  • the second connecting end 2322 of the first connecting arm 232 can also be fixedly connected to the first fixing block 233 , meanwhile, between the first connecting end 2321 and the base 230 and/or the second There is a degree of freedom of rotation between a door panel 231 and the first fixed block 233, as long as it can ensure that when the electronic device 100 rotates between the unfolded state and the folded state, the movement direction of the first connecting arm 232 is consistent with the rotation of the first housing 21. The direction is the same.
  • the fourth connecting end 2352 of the second connecting arm 235 can also be fixedly connected to the second fixing block 236, meanwhile, between the third connecting end 2351 and the base 230 and/or between the second door panel 234 and the second fixing block 236 has a degree of freedom of rotation, as long as it can ensure that when the electronic device 100 rotates between the unfolded state and the folded state, the movement direction of the second connecting arm 235 is consistent with the rotation direction of the second housing 22 .
  • FIG. 11 is an exploded view of the rotating mechanism 23 shown in FIG. 9 .
  • the first connecting end 2321 is rotatably connected to the base 230
  • the second connecting end 2322 is rotatably connected to the first fixing block 233 .
  • the first connecting end 2321 is provided with a first pivot hole 2321a, and the extension direction of the central axis of the first pivot hole 2321a is parallel to the Y-axis direction.
  • the base 230 is provided with a first pivot shaft 230a, and the length direction of the first pivot shaft 230a is parallel to the Y-axis direction.
  • the base 230 is provided with a first installation groove 230b, the first installation groove 230b has a first inner side wall and a second inner side wall opposite in the Y-axis direction, and the axial ends of the first pivot shaft 230a are respectively set On the first inner sidewall and the second inner sidewall.
  • the rotatable connection between the first connecting end 2321 and the base 230 can be realized conveniently, and the structure is simple and the processing is convenient.
  • the second connecting end 2322 is provided with a second pivot hole 2322a, and the extension direction of the central axis of the second pivot hole 2322a is parallel to the Y-axis direction.
  • the first fixing block 233 is provided with a second pivot shaft 233a, and the length direction of the second pivot shaft 233a is parallel to the Y-axis direction.
  • the first fixing block 233 is provided with a second installation groove 233b, the second installation groove 233b has a third inner wall and a fourth inner wall opposite in the Y-axis direction, and the axial ends of the second pivot shaft 233a They are respectively arranged on the third inner wall and the fourth inner wall.
  • the second connecting arm 235 is connected to the second door panel 234 in the same manner as the first connecting arm 232 is connected to the first door panel 231, and the second connecting arm 235 is connected to the base 230 in the same manner as the first connecting arm to the base 230.
  • the method is the same and will not be repeated here.
  • the distance d1 between the center of the second connection end 2322 and the first end 2301 is greater than the distance d2 between the center of the first connection end 2321 and the first end 2301 .
  • the first direction is parallel to the rotation axis of the first door panel.
  • the center of the second connection end 2322 is offset from the center of the first connection end 2321 in a direction away from the first end 2301 .
  • the center of the first connection end 2321 may be the centroid, centroid or center of gravity of the first connection end 2321
  • the center of the second connection end 2322 may be the centroid, center of mass or center of gravity of the second connection end 2322 .
  • the center of the second connecting end 2322 and the first end 2301 The distance of is set to be greater than the distance d2 between the center of the first connecting end 2311 and the first end 2301 , so that the position of the first fixing block 233 can be moved away from the first end 2301 .
  • the distance between the first fixing block 233 and the first end 2301 of the base 230 can be increased without changing the dimensions of the second connecting end 2322 and the first fixing block 233 in the Y-axis direction.
  • the width of the connecting piece 40 (that is, the above-mentioned first flexible circuit board 41 ) arranged between the first fixing block 233 and the first end 2301 of the base 230 can be increased, and the space utilization inside the electronic device 100 can be increased. rate, a wider wiring width of the connecting element 40 is realized in a limited space.
  • the distance between the center of the second connecting end 2322 and the first end 2301 is set to be greater than the distance between the center of the first connecting end 2311 and the first end 2301
  • the distance d2 between them is conducive to increasing the width of the connecting piece 40 arranged between the first fixing block 233 and the first end 2301 of the base 230, which increases the space utilization ratio inside the electronic device 100.
  • a wider trace width of the connector 40 is realized, the problem of high cost and high impedance caused by insufficient trace space is solved, and the electrical connection design of the electronic device 100 is optimized.
  • the second connecting end 2322 is close to the first end 2301
  • the minimum distance d3 between the sidewall and the first end 2301 is greater than the minimum distance d4 between the sidewall of the first connection end 2321 close to the first end 2301 and the first end 2301 , that is, d3 is smaller than d4.
  • the first connecting arm 232 further includes an intermediate connecting section 2323 located between the first connecting end 2321 and the second connecting end 2322 .
  • the two ends of the extension direction of the middle connecting section 2323 are respectively connected to the first connecting end 2321 and the second connecting end 2322 . That is to say, the two ends of the middle connecting section 2323 in the length direction are respectively connected to the first connecting end 2321 and the second connecting end 2322 .
  • the intermediate connection section 2323 extends away from the first end 2301 .
  • the second direction is a direction pointing from the base 230 to the first door panel 231 . Referring to FIGS.
  • the first connecting arm 232 extends along a curve toward a direction away from the first end 2301 .
  • the intermediate connecting section 2323 may also extend obliquely along a straight line toward a direction away from the first end 2301 .
  • the distance between the center of the second connection end 2322 and the first end 2301 is greater than the distance between the center of the first connection end 2321 and the first end 2301 .
  • the width w1 of the second connection end 2322 is smaller than the width w2 of the first connection end 2321 .
  • the width w1 of the second connection end 2322 refers to the dimension of the second connection end 2322 in the Y-axis direction.
  • the width w2 of the first connection end 2321 refers to the dimension of the first connection end 2321 in the Y-axis direction. size.
  • the distance d5 between the center of the fourth connecting end 2352 and the second end 2302 is greater than the distance d5 between the center of the third connecting end 2351 and the second end 2302.
  • the distance d6 between the two ends 2302 is, in the X-axis direction, the center of the fourth connection end 2352 is offset from the center of the third connection end 2351 in a direction away from the second end 2302 .
  • the center of the third connection end 2351 may be the centroid, centroid or center of gravity of the third connection end 2351
  • the center of the fourth connection end 2352 may be the centroid, center of mass or center of gravity of the fourth connection end 2352 .
  • the distance d5 between the center of the fourth connecting end 2352 and the second end 2302 is set to be larger than the third connecting end
  • the distance d6 between the center of 2351 and the second end 2302 can move the position of the second fixing block 236 away from the second end 2302 .
  • the distance between the second fixing block 236 and the second end 2302 can be increased without changing the dimensions of the fourth connecting end 2352 and the second fixing block 236 in the Y-axis direction, that is, The distance between the second fixing block 236 and the second end 2302 of the base 230 can be increased, thereby increasing the width of the connecting piece 40 disposed between the second fixing block 236 and the second end 2302 of the base 230 , which further increases the space utilization ratio inside the electronic device 100, realizes a wider wiring width of the connector 40 in a limited space, solves the problems of high cost and high impedance caused by insufficient wiring space, and optimizes the Electrical connection design of the electronic device 100 .
  • the specific structure of the second connecting arm 235 may be the same as that of the first connecting arm 232, or may be different from the first connecting arm 232, as long as the distance between the center of the fourth connecting end 2352 and the second end 2302 can be realized It is sufficient that d5 is greater than the distance d6 between the center of the third connecting end 2351 and the second end 2302 , which is not specifically limited in the present application.
  • the first connecting arm 232 and the second connecting arm 235 are arranged at intervals in the axial direction of the base 230 , and the second connecting arm 235 is located away from the first connecting arm 232 .
  • One side of the first end 2301 One side of the first end 2301 . In this way, on the one hand, the interference between the first connecting arm 232 and the second connecting arm 235 during assembly can be avoided; The width of some regions on the seat 230 is too small, which is beneficial to improve the overall structural strength of the base 230 .
  • the minimum distance d7 between the side wall of the fourth connection end 2352 close to the first end 2301 and the first end 2301 is greater than that of the first connection end 2321 close to The minimum distance d8 between the sidewall of the first end 2301 and the first end 2301 . That is, in the first direction, the side wall of the fourth connection end 2352 close to the first end 2301 is located on the side away from the first end 2301 of the side wall of the first connection end 2321 close to the first end 2301 . In this way, the fourth connection end 2352 or the second fixing block 236 used to connect with the fourth connection end 2352 can be avoided from interfering with the assembly of the first flexible circuit board 41 , which is beneficial to increase the width of the first flexible circuit board 41 .
  • the second connection end 2322 is close to the second end 2302
  • the minimum distance d9 between the side wall of the third connection end 2351 and the second end 2302 is greater than the minimum distance d10 between the side wall of the third connection end 2351 close to the second end 2302 and the second end 2302 . That is, in the first direction, the side wall of the second connection end 2322 close to the second end 2302 is located on the side away from the second end 2302 of the side wall of the third connection end 2351 close to the second end 2302 .
  • the minimum distance d7 between the side wall of the fourth connection end 2352 close to the first end 2301 and the first end 2301 is greater than that of the second connection end 2322 is away from the minimum distance d11 between the sidewall of the first end 2301 and the first end 2301 . That is to say, the fourth connection end 2352 is entirely located on a side of the second connection end 2322 away from the first end 2301 . In this way, the fourth connection end 2352 or the second fixing block 236 can be further avoided from interfering with the assembly of the first flexible circuit board 41 , which is beneficial to increase the width of the first flexible circuit board 41 .
  • the minimum distance d7 between the side wall of the fourth connection end 2352 close to the first end 2301 and the first end 2301 may also be equal to the distance d7 between the second connection end 2322
  • the minimum distance d11 between the sidewall of the first end 2301 and the first end 2301 may be flush with the side wall of the second connection end 2322 away from the first end 2301 .
  • the distance d12 between the side wall of the first connecting end 2321 away from the first end 2301 and the side wall of the third connecting end 2351 close to the first end 2301 It is greater than the distance d13 between the side wall of the second connection end 2322 away from the first end 2301 and the side wall of the fourth connection end 2352 close to the first end 2301 .
  • the distance between the second connection end 2322 and the first end 2301 can be increased, which is beneficial to increase the distance between the first fixing block 233 and the first end 2301, and further facilitates the first flexible circuit board 41
  • it can prevent the first fixing block 233 from affecting the assembly of the second flexible circuit board 42 , which is beneficial to increase the width of the second flexible circuit board 42 .
  • the distance d12 between the side wall of the first connection end 2321 away from the first end 2301 and the side wall of the third connection end 2351 close to the first end 2301 may also be equal to the second connection end
  • the distance between the second connection end 2322 and the first end 2301 can also be increased, which is beneficial to increase the distance between the first fixing block 233 and the first end 2301, and further facilitates the first flexible circuit board 41 At the same time, it can prevent the first fixing block 233 from affecting the assembly of the second flexible circuit board 42 , which is beneficial to increase the width of the second flexible circuit board 42 .
  • FIG. 12 is a perspective view of some other rotating mechanisms 23 provided by the embodiment of the present application
  • FIG. 13 is a top view of the perspective view shown in FIG. 12 .
  • the difference between the rotating mechanism 23 in this embodiment and the rotating mechanism 23 shown in FIG. The side walls of the end 2301 are even, and the width of the second connecting end 2321 is smaller than the width of the first connecting end 2322 .
  • the side wall of the first connection end 2321 away from the first end 2301 is flush with the side wall of the second connection end 2322 away from the first end 2301 ” means that, in the axial direction along the base 230 , The distance d7 between the side wall of the first connection end 2321 away from the first end 2301 and the first end 2301 is equal to the distance d8 between the side wall of the second connection end 2322 away from the first end 2301 and the first end 2301 .
  • the distance between the center of the second connection end 2322 and the first end 2301 is greater than the distance between the center of the first connection end 2321 and the first end 2301, so that in the X-axis direction, the center of the second connecting end 2322 is shifted away from the first end 2301 relative to the center of the first connecting end 2321, and at the same time, it is beneficial to reduce the size of the first fixing block 233 in the Y-axis direction, thereby facilitating Increasing the distance between the first fixing block 233 and the first end 2301 of the base 230 can further increase the width of the connecting piece 40 disposed between the first fixing block 233 and the first end 2301 of the base 230 .
  • the intermediate connecting section 2323 extends along a straight line, and the width of the intermediate connecting section 2323 gradually decreases.
  • the side wall of the first connecting arm 232 close to the first end 2301 extends obliquely in a direction away from the first end 2301, and the side wall of the first connecting arm 232 far away from the first end 2301 is in contact with the first end 2301.
  • the end faces of the ends 2301 are parallel. The structure is simple and the processing is convenient.
  • the width of the first connecting arm 232 refers to the size of the first connecting arm 232 in the Y-axis direction, that is, the first connecting arm 232 in the first housing 21 or the first The size of the door panel 231 in the extension direction of the rotation axis.
  • FIG. 14 is an exploded view of a rotating mechanism 23 in other embodiments provided by the present application.
  • the difference between the rotating mechanism 23 in this embodiment and the rotating mechanism 23 shown in FIG. 11 is that the second connecting end 2322 of the first connecting arm 232 is slidably connected with the first fixing block 233 in this embodiment.
  • the first fixing block 233 is provided with a first slide groove 233c, and the first connecting end 2321 is formed in the shape of a sliding block.
  • the first connecting end 2321 can slide in the first slide groove 233c. In this way, the connection and movement restriction between the first door panel 231 and the base 230 can also be realized through the first connecting arm 232 .
  • the second connecting arm 235 is connected to the second door panel 234 in the same manner as the first connecting arm 232 is connected to the first door panel 231, and the second connecting arm 235 is connected to the base 230 in the same manner as the first connecting arm 232.
  • the method of the base 230 is the same, and will not be repeated here.
  • FIG. 15 is an exploded view of a rotating mechanism 23 according to some other embodiments of the present application.
  • the difference between the rotation mechanism 23 in this embodiment and the rotation mechanism 23 shown in FIG. connect.
  • the first connecting end 2321 of the first connecting arm 232 in this embodiment is formed in the shape of a slider, and the third pivot shaft 2321b is also provided on the first connecting end 2321.
  • the first fixing block 233 in this embodiment In addition to the first sliding slot 233c in the embodiment shown in FIG. 14, a pivoting slot 233d is also provided.
  • the first connecting end 2321 has a first outer surface and a second outer surface opposite on the Y axis, and the axial ends of the third pivot shaft 2321b respectively protrude from the first outer surface and the second outer surface.
  • the first sliding slot 233c has a first slot wall and a second slot wall opposite to each other on the Y axis, and the above-mentioned pivoting slot 233d is formed on the first slot arm and the second slot wall.
  • the axial ends of the third pivot shaft 2321b extend into the pivot slot 233d on the first slot wall and the pivot slot 233d on the second slot wall respectively for pivotal fit. In this way, the connection and movement restriction between the first door panel 231 and the base 230 can also be realized through the first connecting arm 232 .
  • the second connecting arm 235 is connected to the second door panel 234 in the same manner as the first connecting arm 232 is connected to the first door panel 231, and the second connecting arm 235 is connected to the base 230 in the same manner as the first connecting arm 232.
  • the way of connecting the base 230 is the same, and will not be repeated here.
  • the second connecting end 2322 of the first connecting arm 232 can also be rotatably connected to the first fixing block 233 , and the first connecting end 2321 of the first connecting arm 232 can be connected to the base 230 slidably connected; or the second connecting end 2322 of the first connecting arm 232 is rotatably connected with the first fixed block 233, and the first connecting end 2321 of the first connecting arm 232 is slidably and rotatably connected to the base 230 slidably connected; or the second connecting end 2322 of the first connecting arm 232 is rotatably and slidably connected to the first fixed block 233, and the first connecting end 2321 of the first connecting arm 232 is slidably connected to the base 230 and slidably connected.
  • this application does not limit the degree of freedom of movement between the first connecting arm 232 and the base 230 and the first connecting arm
  • the degree of freedom of movement between 232 and the first door panel 231 is not specifically limited.

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Abstract

一种转动机构（23），涉及电子设备技术领域，包括基座（230）、第一门板（231）与第一连接臂（232），基座（230）的轴向两端分别为第一端（2301）与第二端（2302），第一连接臂（232）的延伸方向的两端分别为第一连接端（2321）与第二连接端（2322），第一连接端（2321）与基座（230）连接，第二连接端（2322）与第一门板（231）连接，第一连接端（2321）与基座（230）之间和/或第二连接端（2322）与第一门板（231）之间具有转动自由度；在第一方向上，第二连接端（2322）的中心与所述第一端（2301）之间的距离大于第一连接端（2321）的中心与第一端（2301）之间的距离，第一方向与第一门板（231）的转动轴线平行，从而能增加电子设备内部的空间利用率，在有限的空间内增大连接件（40）的宽度。还涉及一种支撑装置（20）和电子设备（100）。

Description

转动机构、支撑装置和电子设备
本申请要求于2021年10月19日提交国家知识产权局、申请号为202122516974.3、发明名称为“转动机构、支撑装置和电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子设备技术领域，尤其涉及一种转动机构、支撑装置和电子设备。
背景技术
目前可折叠电子设备，通过将电子设备进行对折，实现将电子设备的小型化，以方便用户携带。可折叠电子设备包括可相对转动的第一壳体与第二壳体，由于通信、供电等需求，需要交互大量的电信号，第一壳体与第二壳体内的电子器件通过连接件(例如柔性电路板)实现电连接。然而，由于电子设备内的空间有限，连接件的宽度受到限制。
发明内容
本申请提供一种转动机构、支撑装置和电子设备，增加了电子设备内部的空间利用率，能在有限的空间内增大用于电连接主电路板与副电路板的连接件的宽度。
为达到上述目的，本申请的实施例采用如下技术方案：
第一方面，本申请提供一种转动机构，该转动机构包括基座、第一门板与第一连接臂，基座的轴向两端分别为第一端与第二端，第一连接臂的延伸方向的两端分别为第一连接端与第二连接端，第一连接端与基座连接，第二连接端与第一门板连接，第一连接端与基座之间和/或第二连接端与第一门板之间具有转动自由度；在第一方向上，第二连接端的中心与第一端之间的距离大于第一连接端的中心与第一端之间的距离，其中，第一方向与第一门板的转动轴线平行。
本申请实施例提供的转动机构，在第一方向上，第二连接端的中心与第一端之间的距离大于第一连接端的中心与第一端之间的距离，有利于增大位于第一连接臂与基座的第一端之间的连接件的宽度，增加了电子设备内部的空间利用率，在有限的空间内实现了更宽的连接件的走线宽度。
在第一方面的一种可能的设计方式中，在第一方向上，第二连接端靠近第一端的侧壁与第一端之间的最小距离大于第一连接端靠近第一端的侧壁与第一端之间的最小距离。由此，有利于进一步增大连接件的走线宽度。
在第一方面的一种可能的设计方式中，第一连接臂还包括位于第一连接端与第二连接端之间的中间连接段，在第二方向上，中间连接段朝向远离第一端的方向延伸，其中，第二方向为由基座指向第一门板的方向。由此，便于实现在第一方向上，第二连接端的中心与第一端之间的距离大于第一连接端的中心与第一端之间的距离。
在第一方面的一种可能的设计方式中，在第二方向上，中间连接段沿曲线朝向远离第一端的方向延伸。
在第一方面的一种可能的设计方式中，在自第二方向上，中间连接段沿直线朝向 远离第一端的方向倾斜延伸。
在第一方面的一种可能的设计方式中，第二连接端的宽度小于第一连接端的宽度。也即是，第二连接端在第一壳体或第一门板的转动轴线延伸方向上的尺寸小于第一连接端在第一壳体或第一门板转动轴线延伸方向上的尺寸。这样，有利于进一步增大第一固定块与基座的第一端之间的间距，进而可以增大设置在第一固定块与基座的第一端之间的连接件的宽度。
在第一方面的一种可能的设计方式中，第一连接端远离第一端的侧壁与第二连接端远离第一端的侧壁平齐，且第一连接端的宽度小于第二连接端的宽度。由此，同样可以实现在第一方向上，第二连接端的中心与第一端之间的距离大于第一连接端的中心与第一端之间的距离，同时有利于减小第一固定块在第一门板转动轴线延伸方向上的尺寸，从而有利于增大第一固定块与基座的第一端之间的间距，进而可以增大设置在第一固定块与基座的第一端之间的连接件的宽度。
在第一方面的一种可能的设计方式中，在第二方向上，第一连接臂的宽度逐渐减小。结构简单，加工方便。
在第一方面的一种可能的设计方式中，在自第二方向上，第一连接臂的靠近第一端的侧壁朝向远离第一端的方向延伸，第一连接臂的远离第一端的侧壁与第一端的端面平行。结构简单，加工方便。
在第一方面的一种可能的设计方式中，第一连接端与基座可转动地相连，第二连接端与第一门板可转动和/或可滑动地相连。
在第一方面的一种可能的设计方式中，转动机构还包括：第二门板与第二连接臂，第二门板与第一门板分别设在基座的相对两侧，第二门板与基座可转动地连接；第二连接臂与第一连接臂沿基座的轴向间隔设置，且第二连接臂位于第一连接臂的远离第一端的一侧，第二连接臂的延伸方向的两端分别为第三连接端与第四连接端，第三连接端与基座连接，第四连接端与第二门板连接，第三连接端与基座之间和/或第四连接端与第二门板之间具有转动自由度，在第一方向上，第四连接端的中心与第二端之间的距离大于第三连接端的中心与第二端之间的距离。
由此，有利于增大位于第二连接臂与基座的第二端之间的连接件的宽度，增加了电子设备内部的空间利用率，在有限的空间内实现了更宽的连接件的走线宽度。
在第一方面的一种可能的设计方式中，在第一方向上，第四连接端与第二端之间的最小距离大于第三连接端靠近第二端的侧壁与第二端之间的最小距离。由此，有利于进一步增大连接件的走线宽度。
在第一方面的一种可能的设计方式中，第二连接臂还包括位于第三连接端与第四连接端之间的中间连接段，在第三方向上，中间连接段朝向远离第二端的方向延伸，其中，第三方向为由基座指向第二门板的方向。由此，便于实现在第一方向上，第四连接端的中心与第二端之间的距离大于第三连接端的中心与第二端之间的距离。
在第一方面的一种可能的设计方式中，第三连接端远离第二端的侧壁与第四连接端远离第二端的侧壁平齐，且第三连接端的宽度小于第四连接端的宽度。由此，可以实现在第一方向上，第四连接端的中心与第二端之间的距离大于第三连接端的中心与第二端之间的距离，同时有利于减小第二固定块在第一门板转动轴线延伸方向上的尺 寸，从而有利于增大第一固定块与基座的第二端之间的间距，进而可以增大设置在第一固定块与基座的第二端之间的连接件的宽度。
在第一方面的一种可能的设计方式中，在第三方向上，第二连接臂的宽度逐渐减小。结构简单，加工方便。
在第一方面的一种可能的设计方式中，在自第三方向上，第二连接臂的靠近第二端的侧壁朝向远离第二端的方向延伸，第二连接臂的远离第二端的侧壁与第二端的端面平行。结构简单，加工方便。
在第一方面的一种可能的设计方式中，第二连接端与基座可转动地相连，第二连接端与第二门板可转动和/或可滑动地相连。
在第一方面的一种可能的设计方式中，在第一方向上，第四连接端靠近第一端的侧壁与第一端之间的最小距离大于第一连接端靠近第一端的侧壁与第一端之间的最小距离。这样，可以避免第四连接端或者用于与第四连接端连接的第二固定块对第一柔性电路板的装配造成干涉，进而有利于增大第一柔性电路板的宽度。
在第一方面的一种可能的设计方式中，在第一方向上，第二连接端靠近第二端的侧壁与第二端之间的最小距离大于第三连接端靠近第二端的侧壁与第二端之间的最小距离。也即是，在第一方向上，第二连接端靠近第二端的侧壁位于第三连接端靠近第二端的侧壁的远离第二端的一侧。
在第一方面的一种可能的设计方式中，在第一方向上，第四连接端靠近第一端的侧壁与第一端之间的最小距离大于或等于第二连接端远离第一端的侧壁与第一端之间的最小距离。这样，可以进一步地避免第四连接端或者第二固定块对第一柔性电路板的装配造成干涉，进而有利于增大第一柔性电路板的宽度。
在第一方面的一种可能的设计方式中，在第一方向上，第一连接端远离第一端的侧壁与第三连接端靠近第一端的侧壁之间距离大于或等于第二连接端远离第一端的侧壁与第四连接端靠近第一端的侧壁之间的距离。这样，一方面可以增大第二连接端与第一端之间的间距，有利于增大第一固定块与第一端之间的间距，进而有利于第一柔性电路板的宽度，另一方面，可以避免第一固定块影响第二柔性电路板的装配，有利于增大第二柔性电路板的宽度。
第二方面，本申请提供一种支撑装置，支撑机构用于支撑折叠屏，支撑机构包括转动机构、第一壳体与第二壳体，转动机构为上述任一技术方案的转动机构；第一壳体设在转动机构的一侧，并与第一门板相连；第二壳体设在转动机构的另一侧，且第二壳体与转动机构可转动地连接。
在第二方面的一种可能的设计方式中，第一壳体与第一门板为一体式结构。
由于本申请实施例提供的支撑装置包括如上任一技术方案的转动机构，因此二者能够解决相同的技术问题，并达到相同的效果。
第三方面，本申请提供一种电子设备，包括：支撑装置与折叠屏，支撑装置为上述任一技术方案的支撑装置；折叠屏贴合于支撑装置的一侧表面。
由于本申请实施例提供的电子设备包括如上技术方案的支撑装置，因此二者能够解决相同的技术问题，并达到相同的效果。
附图说明
图1为本申请一些实施例提供的电子设备的立体图；
图2为图1所示电子设备处于展开状态时的结构示意图；
图3为图1所示电子设备处于折叠状态时的结构示意图；
图4为图1所示电子设备中支撑装置的俯视图；
图5为图4中所示支撑装置的***图；
图6为本申请一些实施例提供的支撑装置内第一壳体、第二壳体与转动机构的装配结构示意图；
图7为图6中所示装配结构的俯视图；
图8为连接件与图6中所示的支撑装置的装配示意图；
图9为本申请另一些实施例提供的转动机构与连接件的装配立体图；
图10为图9中所示装配立体图的俯视图；
图11为图9中所示转动机构的***图；
图12为本申请又一些实施例提供的转动机构的立体图；
图13为图12中所示转动机构的俯视图；
图14为本申请又一些实施例提供的转动机构的***图；
图15为本申请又一些实施例提供的转动机构的***图。
100、电子设备；
10、折叠屏；11、第一部分；12、第二部分；13、第三部分；
20、支撑装置；21、第一壳体；211、第一中框；212、第一背盖；22、第二壳体；221、第二中框；222、第二背盖；
23、转动机构；230、基座；2301、第一端；2302、第二端；230a、第一枢转轴；230b、第一安装槽；231、第一门板；232、第一连接臂；2321、第一连接端；2321a、第一枢转孔；2321b、第三枢转轴；2322、第二连接端；2322a、第二枢转孔；2323、中间连接段；233、第一固定块；233a、第二枢转轴；233b、第二安装槽；233c、第一滑槽；233d、枢转槽；234、第二门板；235、第二连接臂；2351、第三连接端；2352、第四连接端；236、第二固定块；237、第一限位结构；238、第二限位结构；
30、主电路板；
40、连接件；41、第一柔性电路板；42、第二柔性电路板。
具体实施方式
在本申请实施例中，术语“第一”、“第二”、“第三”、“第四”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”、“第三”、“第四”的特征可以明示或者隐含地包括一个或者更多个该特征。
在本申请实施例中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
在本申请实施例中，“和/或”，仅仅是一种描述关联对象的关联关系，表示可以 存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
本申请提供一种电子设备，该电子设备为具有折叠屏的一类电子设备。具体地，该电子设备包括但不限于手机、平板电脑(tablet personal computer)、膝上型电脑(laptop computer)、个人数码助理(personal digital assistant，PDA)、个人计算机、笔记本电脑(notebook)、车载设备和穿戴设备(比如手表)等电子设备。
请参阅图1，图1为本申请一些实施例提供的电子设备100的立体图。在本实施例中，电子设备100为折叠屏手机。电子设备100包括折叠屏10、支撑装置20、主电路板30、副电路板301和连接件40。其中，主电路板30、副电路板301和连接件40位于电子设备100的内部，因此采用虚线示出轮廓。
可以理解的是，图1仅示意性的示出了电子设备100包括的一些部件，这些部件的实际形状、实际大小、实际位置和实际构造不受图1的限制。
折叠屏10用于显示图像、视频等。折叠屏10可折叠成第一部分11和第二部分12。折叠屏10还包括位于第一部分11与第二部分12之间的第三部分13。折叠屏10的至少第三部分13采用柔性材料制作。第一部分11和第二部分12可以采用柔性材料制作，也可以采用刚性材料制作，还可以部分采用刚性材料、部分采用柔性材料制作，在此不做具体限定。
具体的，折叠屏10可以为有机发光二极管(organic light-emitting diode，OLED)屏幕，微型有机发光二极管(micro organic light-emitting diode)屏幕，量子点发光二极管(quantum dot light emitting diodes，QLED)屏幕，液晶显示屏(liquid crystal display，LCD)等等。
折叠屏10能够在展开状态与折叠状态之间折叠。请参阅图2，图2为图1所示电子设备100在折叠屏10处于展开状态时的结构示意图。当折叠屏10处于展开状态时，第一部分11、第二部分12和第三部分13共平面设置，且朝向相同。在此状态下，能够实现大屏显示，可以给用户提供更丰富的信息，带给用户更好的使用体验。
请参阅图3，图3为图1所示电子设备100在折叠屏10处于折叠状态时的结构示意图。当折叠屏10处于折叠状态时，第三部分13处于折弯状态，第一部分11(图3中未示出)与第二部分12(图3中未示出)相对。折叠屏10对用户不可见，支撑装置20保护于折叠屏10外，以防止折叠屏10被硬物刮伤，此类折叠屏手机为内折折叠屏手机。在其他实施例中，当折叠屏10处于折叠状态时，第一部分11与第二部分12也可以也可以彼此背离，处于外露状态，此类折叠屏手机为外折折叠屏手机。
支撑装置20用于支撑折叠屏10，并允许折叠屏10在展开状态与折叠状态之间折叠。请参阅图4，图4为图1所示电子设备100中支撑装置20的俯视图。在本实施例中，支撑装置20包括第一壳体21、第二壳体22和转动机构23。可以理解的是，图4仅示意性的示出了支撑装置20包括的一些部件，这些部件的实际形状、实际大小、实际位置和实际构造不受图4的限制。
第一壳体21设在转动机构23的一侧，且第一壳体21与转动机构23可转动地连接。第一壳体21用于固定并支撑图1中折叠屏10的第一部分11。具体的，第一壳体21具有贴合面M1，第一壳体21用于通过贴合面M1固定并支撑图1中折叠屏10的第 一部分11。
第二壳体22设在转动机构23的另一侧，且第一壳体21与转动机构23可转动地连接。第二壳体22用于固定并支撑图1中折叠屏10的第二部分12。具体的，第二壳体22具有贴合面M2，第二壳体22用于通过贴合面M2固定并支撑图1中折叠屏10的第二部分12。
第一壳体21的内部形成第一容纳腔(图中未示出)。第二壳体22的内部形成第二容纳腔(图中未示出)。电子设备100的主电路板30、副电路板301分别容纳于第一容纳腔和第二容纳腔。具体的，主电路板30容纳于第一容纳腔，副电路板301容纳于第二容纳腔。在其他一些实施例中，主电路板30也可以容纳于第二容纳腔，副电路板301容纳于第一容纳腔。
第一壳体21可以为一个结构整体，也可以由多个部分装配形成。同理的，第二壳体22可以为一个结构件整体，也可以由多个部分装配形成。
在一些实施例中，请参阅图5，图5为图4所示支撑装置20的***图。第一壳体21包括第一中框211和第一背盖212。贴合面M1位于第一中框211上。第一背盖212固定于第一中框211背离贴合面M1的一侧。第一容纳腔形成于第一中框211与第一背盖212之间。
第二壳体22包括第二中框221和第二背盖222。贴合面M2位于第二中框221上。第二背盖222固定于第二中框221背离贴合面M2的一侧。第二容纳腔形成于第二中框221与第二背盖222之间。
转动机构23用于支撑折叠屏10的第三部分13。并且，转动机构23连接于第一壳体21与第二壳体22之间，第一壳体21与第二壳体22通过转动机构23实现可转动连接。在一些实施例中，转动机构23连接于第一壳体21的第一中框211与第二壳体22的第二中框221之间。在其他实施例中，转动机构23也可以连接于第一壳体21的第一背盖212与第二壳体22的第二背盖222之间。
请参阅图6-图7，图6为本申请一些实施例提供的支撑装置20内第一壳体21、第二壳体22与转动机构23的装配结构示意图，图7为图6中所示装配机构示意图的俯视图。在本实施例中，转动机构23包括基座230、第一门板231、第一连接臂232、第一固定块233、第二门板234、第二连接臂235以及第二固定块236。可以理解的是，图6-图7仅示意性的示出了转动机构23包括的一些部件，这些部件的实际形状、实际大小、实际位置和实际构造不受图6-图7的限制。
为了方便下文各实施例的描述，针对基座230，建立XYZ坐标系。具体的，定义基座230的轴向方向为Y轴方向，也即是第一壳体21或第一门板231的转动轴线的延伸方向为Y轴方向，基座230的厚度方向为Z轴方向，与Y轴方向和Z轴方向均垂直的方向为X轴方向。可以理解的是，基座230的坐标系设置可以根据实际需要进行灵活设置，在此不做具体限定。
请参阅图6-图7，第一门板231与第二门板234设在基座230的相对两侧。第一门板231与第二门板234均可相对基座230转动。第一门板231与第一壳体21连接，第二门板234与第二壳体22连接。
请继续参阅图6-图7，第一门板231与基座230之间通过第一连接臂232实现转 动连接及运动约束。第二门板234与基座230之间通过第二连接臂235实现连接及运动约束。具体的，第一固定块233固定在第一门板231上，第二固定块236固定在第二门板234上，第一连接臂232通过第一固定块233实现与第一门板231的连接。第二连接臂235通过第二固定块236实现与第二门板234的连接。这样，便于实现第一连接臂232与第一门板231之间的装配，有利于降低装配难度，提高装配效率。
主电路板30用于集成控制芯片，并电连接折叠屏10、摄像头模组、听筒等电子器件。控制芯片例如可以为应用处理器(application processor，AP)、双倍数据率同步动态随机存取存储器(double data rate，DDR)以及通用存储器(universal flash storage，UFS)等。
主电路板30可以为硬质电路板，也可以为柔性电路板(flexible printed circuit，FPC)，还可以为软硬结合电路板。主电路板30可以采用FR-4介质板，也可以采用罗杰斯(Rogers)介质板，还可以采用FR-4和Rogers的混合介质板，等等。这里，FR-4是一种耐燃材料等级的代号，Rogers介质板为一种高频板。
副电路板301用于集成天线(比如5G天线)射频前端、通用串行总线(universal serial bus，USB)器件、振子等电子元器件。副电路板301可以为硬质电路板，也可以为柔性电路板，还可以为软硬结合电路板。副电路板301可以采用FR-4介质板，也可以采用罗杰斯(Rogers)介质板，还可以采用FR-4和Rogers的混合介质板，等等。
副电路板301通过连接件40与主电路板30电连接，以实现副电路板301与主电路板30之间的数据、信号传输，进而连通第一壳体21、第二壳体22内部的相关电子器件信号。其中，连接件40可以为柔性电路板(flexible printed circuit，FPC)，这样，可以适应电子设备100的展开与折叠。
请参阅图8，图8为连接件40与图6中所示的支撑装置20的装配示意图。连接件40沿平行于X轴的方向跨设在转动机构23上，以将第一壳体21、第二壳体22内部的相关电子器件信号连通。在其他实施例中，连接件40也可以沿平行于X轴的方向穿设在转动机构23内。
在一些实施例中，请参阅图8，连接件40为两个，分别为第一柔性电路板41与第二柔性电路板42。第一柔性电路板41与第二柔性电路板42在基座230的轴向上间隔设置。
基座230的轴向一端为第一端2301，基座230的轴向另一端为第二端2302。第一柔性电路板41设置在第一固定块233与基座230的第一端2301之间。第二柔性电路板42设置在第二固定块236与基座230的第二端2302之间。可以理解的是，在其他实施例中，连接件40也可以为一个，该连接件40可以设置在第一固定块233与基座230的第一端2301之间，或者该连接件40可以设置在第二固定块236与基座230的第二端2302之间。
在一些实施例中，请参阅图8，基座230的第一端2301形成第一限位结构237，第一柔性电路板41位于第一固定块233与第一限位结构237之间。基座230的第二端2302形成第二限位结构238，第二柔性电路板42位于第二固定块236与第二限位结构238之间。在另一些实施例中，上述第一限位结构237与第二限位结构238也可以是独立于基座230之外的结构。
上述实施例中，第一柔性电路板41的宽度受到第一固定块233与第一限位结构237之间的间距的限制，第二柔性电路板42的宽度受到第二固定块236与第二限位结构238之间的间距的限制。由于第一壳体21与第二壳体22之间通讯需求走线数量较大，而第一固定块233与第一限位结构237之间的间距以及第二固定块236与第二限位结构238与第二固定块236之间的间距又十分有限，无法增大第一柔性电路板41以及第二柔性电路板42的宽度，这就形成了矛盾。为了解决上述矛盾，相关技术中，将连接件40设置为多层走线结构，或者设置层叠的两个或多个连接件40来实现走线。但这样对电子设备100的可靠性和成本都形成负面影响。同时，过窄的走线截面会导致较大的电阻，这样也会影响电子设备100的性能。
为了解决上述技术问题，请参阅图9-图10，图9为本申请又一些实施例提供的转动机构23与连接件40的装配立体图，图10为图9中所示装配立体图的俯视图。本实施例的转动机构23包括基座230、第一连接臂232、第一固定块233、第二门板234、第二连接臂235以及第二固定块236。可以理解的是，在其他实施例中，转动机构23也可以不包括第二门板234、第二连接臂235以及第二固定块236。
第一门板231与第二门板234设在基座230沿X轴方向的相对两侧。第一门板231与第二门板234均与所述基座230可转动地相连。第一门板231与第一壳体21连接，第二门板234与第二壳体22连接，以实现第一壳体21与第二壳体22之间的相对转动，使电子设备100在展开状态与折叠状态之间切换。
具体的，第一门板231与第一壳体21之间通过胶粘、螺纹连接、铆接、焊接等方式连接，或者第一门板231与第一壳体21为一体式结构，也即是，第一门板231与第一壳体21一体加工成型。示例性的，第一门板231与第一中框211一体加工成型。同理的，第二门板234与第二壳体22之间通过胶粘、螺纹连接、铆接、焊接等方式固定连接，或者第二门板234与第二壳体22为一体式结构，也即是，第二门板234与第二壳体22一体加工成型。示例性的，第二门板234与第二中框221一体加工成型。
请参阅图9-图10，第一固定块233固定连接在第一门板231上，示例性的，第一固定块233可以通过螺钉、粘接、焊接、铆接等方式固定在第一门板231上。第一连接臂232的延伸方向的两端分别为第一连接端2321与第二连接端2322。其中，“第一连接臂232的延伸方向的两端”指的是“第一连接臂232的长度方向的两端”。
第一连接端2321与基座230连接，第二连接端2322与第一固定块233连接。其中，第一连接端2321与基座230之间和/或第二连接端2322与第一固定块233之间具有转动自由度，以保证当电子设备100在展开状态与折叠状态之间转动时，第一连接臂232的运动方向与第一壳体21的转动方向一致。具体而言，可以是仅第一连接端2321与基座230之间具有转动自由度，也可以是第二连接端2322与第一固定块233之间具有转动自由度，还可以是第一连接端2321与基座230之间以及第二连接端2322与第一固定块233之间均具有转动自由度。
请继续参阅图9-图10，第二固定块236固定连接在第二门板234上，示例性的，第二固定块236可以通过螺钉、粘接、焊接、铆接等方式固定在第二门板234上。第二连接臂235的延伸方向的两端分别形成为第三连接端2351与第四连接端2352，也即是，第二连接臂235长度方向的两端分别形成为第三连接端2351与第四连接端2352。
第三连接端2351与基座230连接，第四连接端2352与第二固定块236连接。其中，第三连接端2351与基座230之间和/或第四连接端2352与第二固定块236之间具有转动自由度，以保证当电子设备100在展开状态与折叠状态之间转动时，第一连接臂232的运动方向与第一壳体21的转动方向一致。具体而言，可以是仅第三连接端2351与基座230之间具有转动自由度，也可以是第四连接端2352与第一固定块233之间具有转动自由度，还可以是第三连接端2351与基座230之间以及第四连接端2352与第二固定块236之间均具有转动自由度。
可以理解的是，在其他实施例中，第一连接臂232的第二连接端2322也可以与第一固定块233固定连接，同时，第一连接端2321与基座230之间和/或第一门板231与第一固定块233之间具有转动自由度，只要能保证当电子设备100在展开状态与折叠状态之间转动时，第一连接臂232的运动方向与第一壳体21的转动方向一致即可。
同样的，第二连接臂235的第四连接端2352也可以与第二固定块236固定连接，同时，第三连接端2351与基座230之间和/或第二门板234与第二固定块236之间具有转动自由度，只要能保证当电子设备100在展开状态与折叠状态之间转动时，第二连接臂235的运动方向与第二壳体22的转动方向一致即可。
在一些实施例中，请参阅图11，图11为图9中所示转动机构23的***图。第一连接端2321与基座230可转动地连接，第二连接端2322与第一固定块233可转动地连接。第一连接端2321上设有第一枢转孔2321a，第一枢转孔2321a的中心轴线的延伸方向与Y轴方向平行。基座230上设有第一枢转轴230a，第一枢转轴230a的长度方向与Y轴方向平行。具体的，基座230上设有第一安装槽230b，第一安装槽230b具有在Y轴方向上相对的第一内侧壁与第二内侧壁，第一枢转轴230a的轴向两端分别设置在第一内侧壁与第二内侧壁上。由此，可以方便地实现第一连接端2321与基座230之间的可转动连接，且结构简单，加工方便。
第二连接端2322上设有第二枢转孔2322a，第二枢转孔2322a的中心轴线的延伸方向与Y轴方向平行。第一固定块233上设有第二枢转轴233a，第二枢转轴233a的长度方向与Y轴方向平行。具体的，第一固定块233上设有第二安装槽233b，第二安装槽233b具有在Y轴方向上相对的第三内侧壁与第四内侧壁，第二枢转轴233a的轴向两端分别设置在第三内侧壁与第四内侧壁上。由此，可以方便地实现第二连接端2322与第一固定块233之间的可转动连接，且结构简单，加工方便。
其中，第二连接臂235连接第二门板234的方式与第一连接臂232连接第一门板231的方式相同，第二连接臂235连接基座230的方式与第一连接臂连接基座230的方式相同，在此不再赘述。
请返回参阅图10，在第一方向上，第二连接端2322的中心与第一端2301之间的距离d1大于第一连接端2321的中心与第一端2301之间的距离d2。其中，第一方向与第一门板的转动轴线平行。换言之,在X轴方向上，第二连接端2322的中心相对第一连接端2321的中心朝向远离第一端2301的方向偏移。
其中，第一连接端2321的中心可以是第一连接端2321的形心、质心或重心，相应的，第二连接端2322的中心可以是第二连接端2322的形心、质心或重心。
由于第二连接端2322通过第一固定块233与第一门板231连接，在第一方向上(也 即是在Y轴方向上)，将第二连接端2322的中心与第一端2301之间的距离设置为大于第一连接端2311的中心与第一端2301之间的距离d2，可以将第一固定块233的位置朝向远离第一端2301的方向移动。由此，可以在不改变第二连接端2322以及第一固定块233在Y轴方向上的尺寸的基础上，增大第一固定块233与基座230的第一端2301之间的间距，从而可以增大设置在第一固定块233与基座230的第一端2301之间的连接件40(也即是上述第一柔性电路板41)的宽度，增加了电子设备100内部的空间利用率，在有限的空间内实现了更宽的连接件40的走线宽度。
本申请实施例提供的转动机构23，通过将在第一方向上，第二连接端2322的中心与第一端2301之间的距离设置为大于第一连接端2311的中心与第一端2301之间的距离d2，有利于增大设置在第一固定块233与基座230的第一端2301之间的连接件40的宽度，增加了电子设备100内部的空间利用率，在有限的空间内实现了更宽的连接件40的走线宽度，解决了因走线空间不足造成高成本、高阻抗的问题，优化了电子设备100的电连接设计。
在此基础上，为了进一步增大第一固定块233与基座230的第一端2301之间的间距，请参阅图10，在第一方向上，第二连接端2322靠近第一端2301的侧壁与第一端2301之间的最小距离d3大于第一连接端2321靠近第一端2301的侧壁与第一端2301之间的最小距离d4，也即是d3小于d4。
具体的，第一连接臂232还包括位于第一连接端2321与第二连接端2322之间的中间连接段2323。请参阅图10，中间连接段2323的延伸方向的两端分别与第一连接端2321、第二连接端2322相连。也即是，中间连接段2323的长度方向的两端分别与第一连接端2321、第二连接端2322相连。在一些实施例中，在第二方向上，中间连接段2323朝向远离第一端2301的方向延伸。其中，第二方向为由基座230指向第一门板231的方向。请参阅图9-图10，在第二方向上，第一连接臂232沿曲线朝向远离第一端2301的方向延伸。可以理解的是，在其他实施例中，在第二方向上，中间连接段2323也可以沿直线朝向远离第一端2301的方向倾斜延伸。由此，便于实现在第一方向上，第二连接端2322的中心与第一端2301之间的距离大于第一连接端2321的中心与第一端2301之间的距离。
在一些实施例中，请参阅图10，第二连接端2322的宽度w1小于第一连接端2321的宽度w2。其中，第二连接端2322的宽度w1是指第二连接端2322在Y轴方向上的尺寸，同理的，第一连接端2321的宽度w2是指第一连接端2321在Y轴方向上的尺寸。这样，有利于减小第一固定块233在Y轴方向上的尺寸，从而有利于增大第一固定块233与基座230的第一端2301之间的间距，进而可以增大设置在第一固定块233与基座230的第一端2301之间的连接件40的宽度。
在上述实施例的基础上，请继续参阅图9-图10，在第一方向上，第四连接端2352的中心与第二端2302之间的距离d5大于第三连接端2351的中心与第二端2302之间的距离d6。也即是，在X轴方向上，第四连接端2352的中心相对第三连接端2351的中心朝向远离第二端2302的方向偏移。其中，第三连接端2351的中心可以是第三连接端2351的形心、质心或重心，相应的，第四连接端2352的中心可以是第四连接端2352的形心、质心或重心。
由于第四连接端2352通过第二固定块236与第二门板234连接，在第一方向上，将第四连接端2352的中心与第二端2302之间的距离d5设置为大于第三连接端2351的中心与第二端2302之间的距离d6，可以将第二固定块236的位置朝向远离第二端2302的方向移动。由此，可以在不改变第四连接端2352以及第二固定块236在Y轴方向上的尺寸的基础上，增大第二固定块236与第二端2302之间的间距，也即是，可以增大第二固定块236与基座230的第二端2302之间的间距，从而可以增大设置在第二固定块236与基座230的第二端2302之间的连接件40的宽度，进一步地增加了电子设备100内部的空间利用率，在有限的空间内实现了更宽的连接件40的走线宽度，解决了因走线空间不足造成高成本、高阻抗的问题，优化了电子设备100的电连接设计。
其中，第二连接臂235的具体结构可以与第一连接臂232的结构相同，也可以与第一连接臂232不同，只要能实现第四连接端2352的中心与第二端2302之间的距离d5大于第三连接端2351的中心与第二端2302之间的距离d6即可，本申请对此不做具体限定。
在一些实施例中，请参阅图9-图10，第一连接臂232与第二连接臂235在基座230的轴向上间隔设置，且第二连接臂235位于第一连接臂232的远离第一端2301的一侧。这样，一方面可以避免第一连接臂232与第二连接臂235在装配时发生干涉，另一方面，相对于第一连接臂232与第二连接臂235彼此相对设置的技术方案，可以避免基座230上的部分区域的宽度过小，有利于提高基座230的整体结构强度。
在上述实施例的基础上，请参阅图10，在第一方向上，第四连接端2352靠近第一端2301的侧壁与第一端2301之间的最小距离d7大于第一连接端2321靠近第一端2301的侧壁与第一端2301之间的最小距离d8。也即是，在第一方向上，第四连接端2352靠近第一端2301的侧壁位于第一连接端2321靠近第一端2301的侧壁的远离第一端2301的一侧。这样，可以避免第四连接端2352或者用于与第四连接端2352连接的第二固定块236对第一柔性电路板41的装配造成干涉，进而有利于增大第一柔性电路板41的宽度。
为了避免第二连接端2322或者用于与第二连接端2322连接的第一固定块233对第二柔性电路板42的装配造成干涉，请参阅图10,第二连接端2322靠近第二端2302的侧壁与第二端2302之间的最小距离d9大于第三连接端2351靠近第二端2302的侧壁与第二端2302之间的最小距离d10。也即是，在第一方向上，第二连接端2322靠近第二端2302的侧壁位于第三连接端2351靠近第二端2302的侧壁的远离第二端2302的一侧。
进一步的，在一些实施例中，请继续参阅图10，在第一方向上，第四连接端2352靠近第一端2301的侧壁与第一端2301之间的最小距离d7大于第二连接端2322远离第一端2301的侧壁与第一端2301之间的最小距离d11。也即是，第四连接端2352整体均位于第二连接端2322的远离第一端2301的一侧。这样，可以进一步地避免第四连接端2352或者第二固定块236对第一柔性电路板41的装配造成干涉，进而有利于增大第一柔性电路板41的宽度。
可以理解的是，在其他实施例中，在第一方向上，第四连接端2352靠近第一端 2301的侧壁与第一端2301之间的最小距离d7也可以等于第二连接端2322远离第一端2301的侧壁与第一端2301之间的最小距离d11。此时，第四连接端2352靠近第一端2301的侧壁可以与第二连接端2322远离第一端2301的侧壁平齐。
在上述实施例的基础上，请参阅图10，在第一方向上，第一连接端2321远离第一端2301的侧壁与第三连接端2351靠近第一端2301的侧壁之间距离d12大于第二连接端2322远离第一端2301的侧壁与第四连接端2352靠近第一端2301的侧壁之间的距离d13。这样，一方面可以增大第二连接端2322与第一端2301之间的间距，有利于增大第一固定块233与第一端2301之间的间距，进而有利于第一柔性电路板41的宽度，另一方面，可以避免第一固定块233影响第二柔性电路板42的装配，有利于增大第二柔性电路板42的宽度。
在其他实施例中，在第一方向上，第一连接端2321远离第一端2301的侧壁与第三连接端2351靠近第一端2301的侧壁之间距离d12也可以等于第二连接端2322远离第一端2301的侧壁与第四连接端2352靠近第一端2301的侧壁之间的距离d13。这样，同样可以增大第二连接端2322与第一端2301之间的间距，有利于增大第一固定块233与第一端2301之间的间距，进而有利于第一柔性电路板41的宽度，同时可以避免第一固定块233影响第二柔性电路板42的装配，有利于增大第二柔性电路板42的宽度。
在另一些实施例中，请参阅图12-图13，图12为本申请实施例提供的又一些转动机构23的立体图，图13为图12中所示立体图的俯视图。在本实施例中的转动机构23与图9中所示转动机构23的区别在于：在该实施例中，第一连接端2321远离第一端2301的侧壁与第二连接端2322远离第一端2301的侧壁平齐，且第二连接端2321的宽度小于第一连接端2322的宽度。需要说明的是，“第一连接端2321远离第一端2301的侧壁与第二连接端2322远离第一端2301的侧壁平齐”是指，在沿基座230的轴向方向上，第一连接端2321远离第一端2301的侧壁与第一端2301之间距离d7等于第二连接端2322远离第一端2301的侧壁与第一端2301之间距离d8。
由此，同样可以实现在第一方向上，第二连接端2322的中心与第一端2301之间的距离大于第一连接端2321的中心与第一端2301之间的距离，使得在X轴方向上，第二连接端2322的中心相对第一连接端2321的中心朝向远离第一端2301的方向偏移，同时有利于减小第一固定块233在Y轴方向上的尺寸，从而有利于增大第一固定块233与基座230的第一端2301之间的间距，进而可以增大设置在第一固定块233与基座230的第一端2301之间的连接件40的宽度。
示例性的，请参阅图13，在第二方向上，中间连接段2323沿直线延伸，且中间连接段2323的宽度逐渐减小。具体的，在第二方向上，第一连接臂232靠近第一端2301的侧壁朝向远离第一端2301的方向倾斜延伸，且第一连接臂232远离第一端2301的侧壁与第一端2301的端面平行。结构简单，加工方便。
需要说明的是，本申请中“第一连接臂232的宽度”是指第一连接臂232在Y轴方向上的尺寸，也即是，第一连接臂232在第一壳体21或第一门板231转动轴线延伸方向上的尺寸。
在另一些实施例中，请参阅图14，图14为本申请提供的另一些实施例的转动机构23的***图。本实施例中的转动机构23与图11中所示转动机构23的不同之处在 于：本实施例中第一连接臂232的第二连接端2322与第一固定块233可滑动地连接。具体的，第一固定块233上设有第一滑槽233c，第一连接端2321形成为滑块状。第一门板231相对基座230转动时，第一连接端2321可在第一滑槽233c内滑动。这样，同样能够通过第一连接臂232实现第一门板231与基座230之间的连接及运动约束。
需要说明的是，第二连接臂235连接第二门板234的方式与第一连接臂232连接第一门板231的方式相同，第二连接臂235连接基座230的方式与第一连接臂232连接基座230的方式相同，在此不再赘述。
在又一些实施例中，请参阅图15，图15为本申请提供的又一些实施例的转动机构23的***图。本实施例中的转动机构23与图14中所示转动机构23的不同之处在于：本实施例中第一连接臂232的第二连接端2322与第一固定块233可滑动且可转动地连接。本实施例中的第一连接臂232的第一连接端2321形成为滑块状，且第一连接端2321上还设有第三枢转轴2321b，同时，本实施例中第一固定块233上除了设有图14中所示实施例中的第一滑槽233c外，还设有枢转槽233d。
具体的，请参阅图15，第一连接端2321具有在Y轴上相对的第一外表面与第二外表面，第三枢转轴2321b的轴向两端分别凸出于第一外表面与第二外表面。第一滑槽233c具有在Y轴上相对的第一槽壁与第二槽壁，第一槽臂与第二槽壁上均形成有上述枢转槽233d。第三枢转轴2321b的轴向两端分别伸入第一槽壁上的枢转槽233d、第二槽壁上的枢转槽233d内枢转配合。这样，同样能够通过第一连接臂232实现第一门板231与基座230之间的连接及运动约束。
需要说明的是，第二连接臂235连接第二门板234的连方式与第一连接臂232连接第一门板231的方式相同，第二连接臂235连接基座230的方式与第一连接臂232连接基座230的方式相同，在此不再赘述。
此外，在其他实施例中，也可以将第一连接臂232的第二连接端2322与第一固定块233可转动地连接，并将第一连接臂232的第一连接端2321与基座230可滑动地连接；或者将第一连接臂232的第二连接端2322与第一固定块233可转动地连接，并将第一连接臂232的第一连接端2321与基座230可滑动且可滑动地连接；或者将第一连接臂232的第二连接端2322与第一固定块233可转动且可滑动地连接，并将第一连接臂232的第一连接端2321与基座230可滑动且可滑动地连接。只要能通过第一连接臂232实现第一固定块233与第一门板231的连接与运动约束即可，本申请对第一连接臂232与基座230之间的运动自由度以及第一连接臂232与第一门板231之间的运动自由度不作具体限定。
在本说明书的描述中，具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
最后应说明的是：以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。

Claims (13)

  1. 一种转动机构，其特征在于，包括：
    基座，所述基座的轴向两端分别为第一端与第二端；
    第一门板；
    第一连接臂，所述第一连接臂的延伸方向的两端分别为第一连接端与第二连接端，所述第一连接端与所述基座连接，所述第二连接端与所述第一门板连接，所述第一连接端与所述基座之间和/或所述第二连接端与所述第一门板之间具有转动自由度；
    在第一方向上，所述第二连接端的中心与所述第一端之间的距离大于所述第一连接端的中心与所述第一端之间的距离，其中，所述第一方向与所述第一门板的转动轴线平行。
  2. 根据权利要求1所述的转动机构，其特征在于，在所述第一方向上，所述第二连接端靠近所述第一端的侧壁与所述第一端之间的最小距离大于所述第一连接端靠近所述第一端的侧壁与所述第一端之间的最小距离。
  3. 根据权利要求1或2所述的转动机构，其特征在于，所述第一连接臂还包括位于所述第一连接端与所述第二连接端之间的中间连接段，在第二方向上，所述中间连接段朝向远离所述第一端的方向延伸，其中，所述第二方向为由所述基座指向所述第一门板的方向。
  4. 根据权利要求3所述的转动机构，其特征在于，在所述第二方向上，所述中间连接段沿曲线朝向远离所述第一端的方向延伸。
  5. 根据权利要求3所述的转动机构，其特征在于，在所述第二方向上，所述中间连接段沿直线朝向远离所述第一端的方向倾斜延伸。
  6. 根据权利要求1或2所述的转动机构，其特征在于，所述第一连接端远离所述第一端的侧壁与所述第二连接端远离所述第一端的侧壁平齐，且所述第一连接端的宽度小于所述第二连接端的宽度。
  7. 根据权利要求1所述的转动机构，其特征在于，还包括：
    第二门板，所述第二门板与所述第一门板分别设在所述基座的相对两侧；
    第二连接臂，所述第二连接臂与所述第一连接臂沿所述基座的轴向间隔设置，且所述第二连接臂位于所述第一连接臂的远离所述第一端的一侧，所述第二连接臂的延伸方向的两端分别为第三连接端与第四连接端，所述第三连接端与所述基座连接，所述第四连接端与所述第二门板连接，所述第三连接端与所述基座之间和/或所述第四连接端与所述第二门板之间具有转动自由度；
    在所述第一方向上，所述第四连接端的中心与所述第二端之间的距离大于所述第三连接端的中心与所述第二端之间的距离。
  8. 根据权利要求7所述的转动机构，其特征在于，在所述第一方向上，所述第四连接端靠近所述第一端的侧壁与所述第一端之间的最小距离大于所述第一连接端靠近所述第一端的侧壁与所述第一端之间的最小距离。
  9. 根据权利要求7或8所述的转动机构，其特征在于，在所述第一方向上，所述第四连接端靠近所述第一端的侧壁与所述第一端之间的最小距离大于或等于所述第二连接端远离所述第一端的侧壁与所述第一端之间的最小距离。
  10. 根据权利要求9所述的转动机构，其特征在于，在所述第一方向上，所述第一连接端远离所述第一端的侧壁与所述第三连接端靠近所述第一端的侧壁之间距离大于或等于所述第二连接端远离所述第一端的侧壁与所述第四连接端靠近所述第一端的侧壁之间的距离。
  11. 一种支撑装置，其特征在于，所述支撑机构用于支撑折叠屏，所述支撑机构包括：
    转动机构，所述转动机构为权利要求1-10中任一项所述的转动机构；
    第一壳体，所述第一壳体设在所述转动机构的一侧，并与所述第一门板相连；
    第二壳体，所述第二壳体设在所述转动机构的另一侧，且所述第二壳体与所述转动机构可转动地连接。
  12. 根据权利要求11所述的支撑装置，其特征在于，所述第一壳体与所述第一门板为一体式结构。
  13. 一种电子设备，其特征在于，包括：
    支撑装置，所述支撑装置为权利要求11或12中所述的支撑装置；
    折叠屏，所述折叠屏贴合于所述支撑装置的一侧表面。
PCT/CN2022/116604 2021-10-19 2022-09-01 转动机构、支撑装置和电子设备 WO2023065850A1 (zh)

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