WO2023221065A1 - 铰链机构和电子设备 - Google Patents

铰链机构和电子设备 Download PDF

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Publication number
WO2023221065A1
WO2023221065A1 PCT/CN2022/093977 CN2022093977W WO2023221065A1 WO 2023221065 A1 WO2023221065 A1 WO 2023221065A1 CN 2022093977 W CN2022093977 W CN 2022093977W WO 2023221065 A1 WO2023221065 A1 WO 2023221065A1
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WO
WIPO (PCT)
Prior art keywords
hinge
sliding
arc
hinge part
rotating
Prior art date
Application number
PCT/CN2022/093977
Other languages
English (en)
French (fr)
Inventor
刘建伟
Original Assignee
北京小米移动软件有限公司
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 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/093977 priority Critical patent/WO2023221065A1/zh
Priority to CN202280001875.6A priority patent/CN117425785A/zh
Publication of WO2023221065A1 publication Critical patent/WO2023221065A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections

Definitions

  • the present disclosure relates to the technical field of foldable display screens, and in particular, to a hinge mechanism and electronic equipment.
  • foldable displays such as foldable screen mobile phones and foldable screen computers are increasingly used.
  • the hinge mechanism is crucial, and the performance of the hinge structure will directly affect the function and experience of the entire machine.
  • Some existing hinge solutions have problems such as complex assembly and poor flatness. Most of them are folded at a single angle. Due to the limitation of the bending radius of the foldable display of mobile phones, it is difficult for the foldable display to fit completely, and there is a large wedge-shaped gap in the middle after folding.
  • the hinge mechanism in the related art generally has poor stability, resulting in poor folding feel, and is prone to failure with a high failure rate.
  • the present disclosure aims to solve one of the technical problems in the related art, at least to a certain extent.
  • a hinge mechanism including: a base body and two rotating components respectively connected to both sides of the base body;
  • the rotating components include:
  • a first sliding member one end of which is hinged to the base body
  • a support member the support member is slidingly connected to the first sliding member, and the sliding track is arc-shaped;
  • a rotating part the first end of which is hinged to the base body, a sliding part is provided on the rotating part, and the sliding part can slide on the rotating part along a predetermined track; the sliding part and the The supports are slidingly connected.
  • the hinge mechanism of the embodiment of the present disclosure at least has the following technical effects: the orientation and posture of the support member are jointly constrained by the first sliding member and the rotating member, so that the rotation path of the support member can be more consistent with the changes in the folding curved surface of the foldable display screen.
  • the gap between the support member and the foldable display screen is reduced or avoided, thereby improving the flatness of the foldable display screen in the unfolded state and allowing the support member to maintain stable support for the foldable display screen during rotation. .
  • the support member is provided with a first arc-shaped chute that slides with the first sliding member, and the first sliding member can move relative to the first arc-shaped chute along the first arc-shaped chute.
  • the support slides.
  • the first sliding member includes a first hinge part and a first sliding part connected to the first hinge part, the first hinge part is a rotating shaft hole or a rotating shaft, and the third One sliding part is arc-shaped.
  • the sliding member is provided with a second arc-shaped chute
  • the support member is provided with a fourth sliding part
  • the fourth sliding part slides with the second arc-shaped chute.
  • the sliding member is provided with a chute portion, and the rotating member is slidably engaged with the chute portion so that the sliding member can slide along the extension direction of the rotating member.
  • one end of the base body is provided with a rotating shaft
  • one end of the first sliding member has an axis hole
  • the rotating shaft passes through the axis hole and rotates with the axis hole.
  • the rotating assembly further includes a linkage mechanism for limiting the sliding range of the slider, and the linkage mechanism is hinged with the base body and the slider respectively.
  • the link mechanism includes a first link, a second link and a third link
  • the first end of the third connecting rod is slidingly connected to the base body, the second end of the third connecting rod is hinged to the first end of the second connecting rod, and the second end of the second connecting rod is Hinged to the rotating member, the hinge position of the second end of the second connecting rod and the rotating member is between the sliding member and the first end of the rotating member, and the third end of the first connecting rod One end, the first end of the second connecting rod and the second end of the third connecting rod are hinged at the same position, and the second end of the first connecting rod is hinged with the sliding member;
  • the base body, the second connecting rod, the third connecting rod and the rotating member constitute a four-bar linkage mechanism.
  • the base body has a third arcuate slide groove, and the third link is slidably engaged with the third arcuate slide groove.
  • a cover plate is fixedly provided on the base body, and the third arc-shaped slide groove is defined between the cover plate and the base body.
  • the third link includes a second hinge part and a third sliding part connected to the second hinge part, and the second hinge part is connected to the third link of the first link.
  • One end and the first end of the second connecting rod are coaxially hinged.
  • the second hinge part is a rotating shaft hole or a rotating shaft
  • the third sliding part is an arc-shaped slide plate adapted to the third arc-shaped slide groove.
  • the rotating member includes a third hinge part, a fourth hinge part and a fourth sliding part
  • the third hinge part is hinged to the base body
  • the fourth hinge part is hinged to the second end of the second connecting rod
  • the fourth sliding part is slidingly connected to the sliding member
  • the sliding member is provided with a chute portion, and the fourth sliding portion is slidably matched with the chute portion so that the sliding member can slide along the extension direction of the rotating member.
  • the slider has a fifth hinge part
  • the first link has a sixth hinge part and a seventh hinge part
  • the fifth hinge part and the sixth hinge part Hinged the seven hinged parts are coaxially hinged with the first end and the second hinged part of the second connecting rod.
  • the second link has an eighth hinge part and a ninth hinge part, the eighth hinge part is hinged with the fourth hinge part, and the ninth hinge part is hinged with the The seventh hinge part and the second hinge part are coaxially hinged.
  • the ninth hinge portion includes at least two first hinge protrusions with shaft holes and an assembly groove located between the two first hinge protrusions;
  • the seventh hinge part and the second hinge part are both arranged in the assembly groove, and the two hinge protrusions, the seventh hinge part and the second hinge part are hinged through the same rotating shaft.
  • the seventh hinge portion includes at least two spaced-apart second hinge protrusions having shaft holes
  • the second hinge portion includes at least two spaced-apart second hinge protrusions having shaft holes.
  • Three hinge protrusions, at least two second hinge protrusions and at least two third hinge protrusions are staggeredly distributed with each other.
  • the fifth hinge part includes at least two spaced-apart hinge grooves
  • the sixth hinge part includes at least two spaced-apart fourth hinge protrusions with shaft holes, At least two of the hinge grooves and at least two of the fourth hinge protrusions are staggered with each other.
  • An embodiment of the present disclosure also provides an electronic device, including a foldable display screen and the hinge mechanism of the embodiment of the present disclosure, and the base body and the support member support the foldable display screen.
  • the foldable display of this electronic device has good flatness and good user experience.
  • Figure 1 is a schematic diagram of a hinge mechanism in an embodiment of the present disclosure
  • Figure 2 is a back view of the hinge mechanism in an embodiment of the present disclosure
  • Figure 3 is an exploded schematic diagram of the hinge mechanism in an embodiment of the present disclosure
  • Figure 4 is a first cross-sectional view of the hinge mechanism in an embodiment of the present disclosure
  • Figure 5 is a second cross-sectional view of the hinge mechanism in an embodiment of the present disclosure.
  • Figure 6 is a side view of the hinge mechanism in an unfolded state according to an embodiment of the present disclosure
  • Figure 7 is a side view of the hinge mechanism in a folded state according to an embodiment of the present disclosure.
  • Figure 8 is a perspective view of a third connecting rod in an embodiment of the present disclosure.
  • Figure 9 is a perspective view of the first connecting rod in an embodiment of the present disclosure.
  • Figure 10 is a perspective view of a sliding member in an embodiment of the present disclosure.
  • Figure 11 is a perspective view of the second connecting rod in an embodiment of the present disclosure.
  • Figure 12 is a three-dimensional schematic view of a support member in an embodiment of the present disclosure.
  • Figure 13 is a schematic perspective view of a rotating member in an embodiment of the present disclosure.
  • Embodiments of the present disclosure provide a hinge mechanism that can be used on electronic devices with foldable screens.
  • the hinge mechanism of the embodiment of the present disclosure includes: a base frame assembly and two rotating assemblies respectively connected to both sides of the base frame assembly; both rotating assemblies can rotate relative to the base frame assembly, and the base frame assembly and the two rotating assemblies Each component can be used to carry the foldable display screen 100, so that the two rotating components can drive the foldable display screen 100 to fold to a predetermined position.
  • the two rotating components can be arranged symmetrically or asymmetrically with respect to the base frame component.
  • Two oppositely arranged rotating components can be linked or not linked during the folding or unfolding process. When the two oppositely arranged rotating components are linked during the folding or unfolding process, one of the rotating components is linked to the other rotating component through the linkage mechanism.
  • Rotation can drive another rotating component to rotate, thereby enabling two opposite rotating components to unfold or fold at the same time.
  • the linkage mechanism can be a gear mechanism or a slider mechanism.
  • two rotating components can be meshed and connected through a gear mechanism to achieve linkage. As shown in Figure 2, when the two opposite rotating components are not linked during the folding or unfolding process, the two rotating components rotate relative to the base 2 respectively. The unfolding or folding of one rotating component does not affect the unfolding or folding of the other rotating component. .
  • the number of rotating components provided on one side of the base frame assembly is at least one, and the number and position of the rotating components can be adjusted according to factors such as the length of the hinge mechanism and the location to be installed.
  • the base frame assembly includes: a base body 2 and a cover plate 3 that is fixedly or flexibly connected to the base body 2; the base body 2 and the cover plate 3 can be fixedly connected, such as the bolt connection shown in Figure 2, except In addition, the base 2 and the cover 3 can be slidingly connected, and the base 2 can move relative to the cover 3 along the normal direction of the support surface to better accommodate and support the foldable display 100 .
  • the rotating assembly mainly includes: a first sliding member 9, a supporting member 1 and a rotating member 8.
  • One end of the first sliding member 9 is hinged to the base frame assembly and can rotate relative to the base frame assembly.
  • One end can be hinged to the base 2;
  • the support member 1 is slidingly connected to the first sliding member 9, and the sliding track is arc-shaped;
  • the first sliding member 9 is used to cooperate with the rotating member 8 to limit the orientation and posture of the support member 1. Therefore, the orientation and posture of the support member 1 change both with the rotation of the first slider 9 and with the relative sliding with the first slider 9.
  • the first end of the rotating member 8 is hinged to the base frame assembly, specifically to the base 2 or the cover 3 , so that the rotating member 8 can rotate within a predetermined range relative to the base frame assembly.
  • the rotating member 8 is provided with a sliding
  • the sliding member 4 can slide along the predetermined track on the rotating member 8; the sliding member 4 is slidingly connected with the supporting member 1.
  • the hinge axis of the first end of the rotating member 8 and the base frame assembly is parallel to but not coaxial with the hinge axis of the first sliding member 9 and the base frame assembly.
  • the first end of the first sliding member 9 and the hinge axis of the base frame assembly are closer to the side of the support surface of the support member 1 relative to the hinge axis of the rotating member 8 and the base frame assembly.
  • the rotating member 8 and the sliding member 4 further constrain the supporting member 1 and assist in adjusting the orientation and posture of the supporting member 1, so that the rotation path of the supporting member 1 can be more consistent with the changes in the folding curved surface of the foldable display screen 100. , reducing or avoiding the gap between the support member 1 and the foldable display screen 100, thereby improving the flatness of the foldable display screen 100 in the unfolded state, and keeping the support member 1 aligned with the foldable display screen during rotation. 100 stable support.
  • the support member 1 is provided with a first arc-shaped chute 12 that slides with the first sliding member 9 , and the first sliding member 9 can move along the first arc-shaped chute 12 Slide relative to support 1.
  • the support member 1 is provided with an arc-shaped protrusion on the side away from its supporting surface.
  • the first arc-shaped chute 12 is located in the arc-shaped protrusion, and the first arc-shaped chute 12 opens toward the side of the base frame assembly.
  • the support member 1 is provided with an escape slope and a notch on the side close to the base frame assembly. Setting the notch can leave space for other parts to be installed, thereby making the hinge mechanism more compact.
  • the first arc-shaped slide groove 12 has a clearance fit with the first sliding member 9, thereby ensuring smoother relative sliding between the two and improving the rotation feel.
  • the first arcuate chute 12 can be disposed within the thickness range of the support member 1 , thereby avoiding an increase in the overall thickness of the support member 1 due to the provision of the first arcuate chute 12 .
  • the entrance position of the first arc-shaped chute 12 can increase the width of the slot so that the first sliding member 9 can be more easily assembled into the first arc-shaped chute 12 .
  • an inclined surface is provided at the entrance position of the first arc-shaped chute 12 and on one side close to the supporting surface to increase the width of the slot.
  • the first sliding member 9 includes a first hinge portion 91 and a first sliding portion 92 connected to the first hinge portion 91 .
  • the first hinge portion 91 is hinged with the base body 2 of the base frame assembly.
  • the first sliding portion 92 is slidingly connected to the first arc chute 12 .
  • the first hinge part 91 and the first sliding part 92 are integrally formed, and the first hinge part 91 is located at one end of the first sliding part 92 .
  • the first hinge part 91 is a rotating shaft hole or a rotating shaft, and the first sliding part 92 is in the shape of an arc plate and matches the shape of the first arc-shaped chute 12 .
  • the first hinge part 91 is a rotation shaft hole
  • the base body 2 is provided with a tenth hinge part 21 inserted into the first hinge part 91 , so that the first sliding part 92 can rotate around the base body 2 through the first hinge part 91
  • the rotating shaft rotates.
  • the tenth hinge part 21 may be a first rotating shaft provided at the end of the base body 2 .
  • the sliding member 4 is provided with a second arc-shaped slide groove 41
  • the support member 1 is provided with a second sliding part 11
  • the second sliding part 11 is in sliding cooperation with the second arc-shaped slide groove 41 . Therefore, the sliding member 4 and the supporting member 1 also slide and fit within a predetermined range, and the position and posture of the supporting member 1 are constrained by the sliding fit, making the supporting member 1 more flexible and improving the stability between the supporting member 1 and the foldable display screen 100 . Fit.
  • the radius of the second sliding part 11 is smaller than the radius of the sliding part 92 . Since the constraining radius of the second sliding part 11 on the support 1 is different from the constraining radius of the second sliding part 11 on the sliding part 4 , better adjustment can be achieved.
  • the second sliding part 11 includes an arc-shaped sliding piece that is adapted to the second arc-shaped sliding groove 41 and a support rib connected to the arc-shaped sliding piece.
  • the support ribs and the arc-shaped slide are integrally formed, which enhances the structural strength of the arc-shaped slide.
  • the sliding member 4 is provided with a chute portion 42 , and the rotating member 8 is slidably matched with the chute portion 42 so that the sliding member 4 can slide along the extension direction of the rotating member 8 .
  • the chute portion 42 may be a linear chute, so that the relative sliding path of the rotating member 8 and the sliding member 4 is a straight line.
  • the cross section of the chute portion 42 can be trapezoidal or T-shaped, as long as it can restrain the rotating member 8 and ensure that it can slide relative to the rotating member 8 .
  • each rotating component may include two rotating parts 8, and two chute parts 42 are provided on the sliding part 4.
  • the two rotating parts 8 and the two chute parts 42 slide and fit in one-to-one correspondence. .
  • the sliding stability of the sliding part 4 relative to the rotating part 8 can be improved, thereby improving the rotating feel.
  • the two rotating members 8 may be symmetrically arranged in the length direction of the rotating assembly.
  • the two rotating parts 8 can also be arranged asymmetrically in the length direction of the rotating assembly as needed.
  • the rotating parts 8 on the two rotating assemblies are arranged oppositely and can be linked through gears, thereby realizing the synchronous rotation of the two rotating assemblies.
  • one end of the base body 2 is provided with a rotating shaft, and one end of the first sliding member 9 has an axis hole.
  • the rotating shaft of the base body 2 passes through the axis hole of the first sliding member 9 and is connected with the axis of the first sliding member 9 . Hole turns to fit.
  • one end of the base body 2 is provided with a shaft hole, and one end of the first sliding member 9 has a rotating shaft. The rotating shaft of the first sliding member 9 passes through the shaft hole of the base body 2 and rotates with the shaft hole of the base body 2 .
  • one end of the base body 2 and one end of the first sliding member 9 both have shaft holes, and the rotating shafts are inserted into the shaft holes of the base body 2 and the first sliding member 9 respectively to achieve hinged connection between the base body 2 and the first sliding member 9 .
  • the first sliding member 9 has a first hinge part 91 and a first sliding part 92 connected to the first hinge part 91.
  • the shaft hole is opened in the first hinge part 91, and the first sliding part 92 is arc-shaped.
  • the first sliding part 92 and the first hinge part 91 are provided with a transition part, and the transition part is provided with a support surface.
  • the support surface of the transition part is located on the same plane as the support surface of the support member 1 to support the Folding display 100.
  • a notch is provided on the side of the transition part away from the supporting surface. The notch can play a role in avoiding interference between the transition part and the cover plate 3 .
  • the rotating assembly further includes a linkage mechanism for limiting the sliding range of the slider 4, and the linkage mechanism is hinged with the base body 2 and the slider 4 respectively.
  • the linkage mechanism is hinged with the base body 2 and the slider 4 respectively.
  • the linkage mechanism includes a first link 5, a second link 6 and a third link 7; the first end of the third link 7 is slidingly connected to the base body 2, and the third link 7 is slidably connected to the base body 2.
  • the second end of the rod 7 is hinged with the first end of the second connecting rod 6, the second end of the second connecting rod 6 is hinged with the rotating member 8, and the hinge position of the second end of the second connecting rod 6 and the rotating member 8 is located at Between the first end of the sliding member 4 and the rotating member 8, the first end of the first connecting rod 5, the first end of the second connecting rod 6 and the second end of the third connecting rod 7 are hinged at the same position.
  • the second end of the connecting rod 5 is hingedly connected to the sliding member 4; among them, the base body 2, the second connecting rod 6, the third connecting rod 7 and the rotating member 8 constitute a four-bar linkage mechanism.
  • the position of the sliding member 4 on the rotating member 8 can be determined by the angle between the first connecting rod 5 and the second connecting rod 6.
  • This connection method can flexibly control the position of the sliding member 4 on the rotating member 8, and the connecting rods can There will be no mutual interference between them.
  • the connecting rods will not interfere with each other, which is beneficial to reducing the overall thickness, thereby making the entire machine lighter and thinner, and providing a better user experience.
  • the base frame assembly includes: a base body 2 and a cover plate 3 fixedly or movably connected to the base body 2; a third arcuate chute 31 is formed between the cover plate 3 and the base body 2, and a third connecting rod 7 Slidingly fit into the third arc-shaped slide groove 31 . Therefore, the connection between the base frame assembly and the third link 7 is also a sliding fit connection. This connection method improves the flexibility of the third link 7 and is beneficial to the flexible control of the sliding member 4 .
  • the arrangement method of the third arc-shaped chute 31 is not limited to the above-mentioned embodiment.
  • the third arc-shaped chute 31 can also be provided on the base 2 or the cover 3, as long as the formed third arc-shaped chute can be 31 can effectively restrain the third link 7 from sliding.
  • the sliding track of the third link 7 relative to the base 2 is also arc-shaped.
  • the third arc-shaped chute 31 matches the third sliding part 72 of the third link 7 and is arc-shaped.
  • the three-arc slide groove 31 has a clearance fit with the third sliding portion 72 of the third link 7 to ensure sliding flexibility.
  • the base frame assembly includes: a base body 2 and a cover plate 3 , and a third arc-shaped slide groove 31 is defined between the cover plate 3 and the base body 2 . Therefore, by adjusting the tightness of the fit between the cover plate 3 and the base body 2 , the size of the third arc-shaped slide groove 31 can be adjusted to more accurately slide with the third link 7 .
  • the cover plate 3 is movably connected or fixedly connected to the base body 2 .
  • the cover plate 3 and the base body 2 are fixedly connected by bolts.
  • the cover 3 can move relative to the base 2 during the relative expansion or folding process of the hinge mechanism. Further, the cover 3 is slidingly connected to the base 2.
  • the base 2 moves to the side away from the cover 3, and at the extreme position of expansion, the supporting surface of the base 2 and the supporting surface of the support 1 are located on the same plane to support the foldable display 100.
  • the base 2 moves toward the side closer to the cover 3.
  • the supporting surface of the supporting member 1 and the supporting surface of the base 2 are in an orthogonal position. Tilt to create screen space. Since the base 2 moves toward the side closer to the cover 3 during the relative folding process of the hinge mechanism, the screen space can be increased to reduce creases on the foldable display screen.
  • the first sliding part 9 is hinged to the base 2
  • the rotating part 8 is hinged to the cover 3
  • the first slider 9 is provided with a first hinge part 91 , which is a rotating shaft hole or a rotating shaft
  • the base body 2 is provided with a tenth hinge part 21 that is adapted to the first hinge part 91 .
  • the tenth hinge part 21 may be a rotating shaft hole or a rotating shaft. For example, as shown in FIG.
  • the first hinge part 91 at least includes: a first rotating shaft hole
  • the tenth hinge part 21 includes: a first rotating shaft extending from the side away from the supporting surface
  • the first rotating shaft of the base body 2 is inserted into
  • the first rotating shaft hole has realized the hinge connection between the base body 2 and the first sliding member 9 .
  • the base 2 is provided with an avoidance gap at the position of the first rotating shaft to ensure that the first sliding member 9 does not interfere with the base 2 during rotation.
  • the sliding member 4 is provided with a chute portion 42
  • the rotating member 8 is slidably matched with the chute portion 42 so that the sliding member 4 can slide along the extension direction of the rotating member 8 .
  • the rotating member 8 includes a third hinge part 81, a fourth hinge part 82 and a fourth sliding part 83; the third hinge part 81 is hinged with the base 2, and the fourth hinge part 82 is hinged with the second part of the second connecting rod 6. The end is hinged, and the fourth sliding part 83 is in sliding fit with the chute part 42 .
  • the third hinge part 81 and the fourth hinge part 82 may be rotation shaft holes or rotation shafts.
  • the third hinge part 81 and the fourth hinge part 82 are rotation shaft holes. It can be understood that the third hinge part 81 and the fourth hinge part 82 are rotation shaft holes.
  • the fourth hinge part 82 is not limited to the above two structures as long as it can satisfy the effective hinge of related parts.
  • the third link 7 includes a second hinge part 71 and a third sliding part 72 connected to the second hinge part 71 .
  • the second hinge part 71 is connected to the first end of the first link 5 . end and the first end of the second connecting rod 6 are coaxially hinged.
  • the second hinge part 71 is a rotating shaft hole or a rotating shaft.
  • the second hinge part 71 is three coaxial rotating shaft holes with the same diameter. There are slots between adjacent rotating shaft holes to facilitate the connection with the third rotating shaft hole.
  • the first end of one connecting rod 5 and the first end of the second connecting rod 6 are coaxially hinged.
  • the third sliding part 72 is an arc-shaped sliding piece that matches the third arc-shaped chute 31 , and the second hinge part 71 and the third sliding part 72 are integrally formed.
  • a flat plate portion can be provided between the second hinge portion 71 and the third sliding portion 72 . Refer to FIG. 5 .
  • the third sliding portion 72 moves from the inside to the outside of the third arc-shaped chute 31 . Sliding, the flat plate part is higher than the base body 2.
  • the third sliding part 72 slides into the third arc-shaped slide groove 31, and the flat plate part is parallel to the base body 2.
  • the rotating member 8 includes a third hinge part 81 , a fourth hinge part 82 and a fourth sliding part 83 .
  • the third hinge part 81 , the fourth hinge part 82 and the fourth sliding part 83 are in sequence. connect;
  • the third hinge part 81 is hinged to the base 2
  • the fourth hinge part 82 is hinged to the second end of the second connecting rod 6
  • the fourth sliding part 83 is slidingly connected to the sliding member 4 , that is, the fourth sliding part 83 is connected to the chute part 42 slip fit.
  • the third hinge part 81 is located at the end and includes a rotation axis hole.
  • the fourth hinge part 82 is located between the third hinge part 81 and the fourth sliding part 83 and has a rotation axis hole.
  • the fourth sliding part 83 is long.
  • the shape of the strip is adapted to the chute part 42.
  • the central axis of the third hinge part 81 is parallel to the plate surface of the fourth sliding part 83 but is located outside the plate surface of the fourth sliding part 83 .
  • the central axis of the fourth hinge part 82 coincides with the plate surface of the fourth sliding part 83 , that is, located within the plate surface of the fourth sliding part 83 .
  • the sliding member 4 is provided with a chute portion 42
  • the fourth sliding portion 83 is slidably matched with the chute portion 42 so that the sliding member 4 can slide along the extension direction of the rotating member 8 .
  • Two or more chute portions 42 can be provided on one sliding member 4 at the same time, so as to be slidably connected to different fourth sliding portions 83 respectively, thereby improving the connection reliability between the sliding member 4 and the rotating member 8.
  • chute portions 42 When two or more chute portions 42 can be disposed on one sliding member 4 at the same time, adjacent chute portions 42 are equally spaced and symmetrically distributed on the sliding member 4 .
  • the sliding member 4 has a fifth hinge portion 43
  • the first link 5 has a sixth hinge portion 51 and a seventh hinge portion 52; the fifth hinge portion 43 and the sixth hinge portion 51
  • the seventh hinge part 52 is coaxially hinged with the first end of the second connecting rod 6 and the second hinge part 71 .
  • the sixth hinge portion 51 includes at least two spaced apart fourth hinge protrusions 511 with shaft holes. There are slots between two adjacent fourth hinge protrusions 511.
  • the fourth hinge protrusions 511 are in the shape of Cylindrical shape, the axis of the shaft hole coincides with the axis of the cylinder.
  • the seventh hinge part 52 includes at least two second hinge protrusions 521 with shaft holes distributed at intervals. There is a slot between the two adjacent second hinge protrusions 521.
  • the second hinge protrusion 521 is cylindrical. The axis of the shaft hole coincides with the axis of the cylinder.
  • the first link 5 has three fourth hinge protrusions 511 and two second hinge protrusions 521.
  • the three fourth hinge protrusions 511 and the two second hinge protrusions 521 are respectively located on the first link. Both ends of the rod 5, and the slots between one fourth hinge protrusion 511 and two second hinge protrusions 521 are arranged oppositely, and the slots between the second hinge protrusion 521 and the two fourth hinge protrusions 511 Slot relative settings.
  • the second link 6 has an eighth hinge part 61 and a ninth hinge part 62 , the eighth hinge part 61 is hinged with the fourth hinge part 82 , and the ninth hinge part 62 is hinged with the seventh hinge part 62 .
  • the first part 52 and the second hinge part 71 are coaxially hinged.
  • the eighth hinge part 61 has two coaxial shaft holes, which are respectively hinged with the two fourth hinge parts 82 .
  • the ninth hinge part 62 includes at least two first hinge protrusions 621 with shaft holes and an assembly groove 622 located between the two first hinge protrusions 621; the assembly groove 622 is used to accommodate the seventh hinge part 52 and the second The hinge portion 71 thereby reduces the space occupied by the link mechanism, thereby reducing the overall thickness of the hinge mechanism.
  • the ninth hinge part 62 includes at least two first hinge protrusions 621 with shaft holes and an assembly groove 622 located between the two first hinge protrusions 621; the seventh hinge part 52 and the second hinge part 71 Both are arranged in the assembly groove 622, and the two hinge protrusions 621, the seventh hinge part 52, and the second hinge part 71 are hinged through the same rotating shaft.
  • the seventh hinge part 52 includes at least two second hinge protrusions 521 having shaft holes distributed at intervals.
  • the second hinge part 71 includes at least two third hinges having shaft holes distributed at intervals.
  • the protrusions 711, at least two second hinge protrusions 521 and at least two third hinge protrusions 711 are staggeredly distributed with each other, that is to say, the second hinge protrusions 521 are inserted between the two third hinge protrusions 711.
  • the third hinge protrusion 711 is inserted into the slot between the two second hinge protrusions 521, so that the at least two second hinge protrusions 521 and the at least two third hinge protrusions 711 are mutually connected.
  • the staggered arrangement is beneficial to reducing the overall size of the second link 6 and the third link 7, thereby reducing the space occupied by the link mechanism, and thereby reducing the overall thickness of the hinge mechanism.
  • the fifth hinge part 43 includes at least two spaced-apart hinge grooves 431 .
  • the sixth hinge part 51 includes at least two spaced-apart fourth hinge grooves 431 having shaft holes.
  • the hinge protrusion 511, at least two hinge grooves 431 and at least two fourth hinge protrusions 511 are staggered with each other. That is to say, the fourth hinge protrusion 511 is inserted between the two hinge grooves 431, and the hinge grooves 431 are arranged in a staggered manner.
  • the groove 431 is inserted between the two fourth hinge protrusions 511 to form a staggered distribution structure. This arrangement is beneficial to reducing the overall size of the sliding member 4 and the first link 5, thereby reducing the link mechanism. The space occupied thereby reduces the overall thickness of the hinge mechanism.
  • the hinge groove 431 is a non-closed round hole.
  • the rotating shaft When connecting the sixth hinge part 51 and the fifth hinge part 43, first insert the rotating shaft into at least two fourth hinge protrusions 511, and then press the rotating shaft to at least In the two hinge grooves 431, the rotating shaft has an interference fit with the hinge groove 431, thereby ensuring that after being pressed into the hinge groove 431, it will not easily fall out of the hinge groove 431.
  • This arrangement can simplify the installation process and improve manufacturing efficiency.
  • the hinge groove 431 may also be a U-shaped groove.
  • the width of the opening of the U-shaped groove is slightly smaller than the width of the bottom of the U-shaped groove, so that during assembly, the hinge groove 431 is assembled to the fourth hinge protrusion 511 .
  • the rotating shaft is extruded from the opening of the U-shaped groove into the bottom of the U-shaped groove. It is not easy to fall off from the U-shaped groove after assembly, which improves the reliability of the assembly.
  • the sliding member 4 is provided with a fifth hinge portion 43, the first end of the first link 5 has a sixth hinge portion 51, and the second end of the first link 5 has a seventh hinge portion 52,
  • the first end of the second link 6 is hinged with an eighth hinge part 61, the second end of the second link 6 is hinged with a ninth hinge part 62, the second end of the third link 7 is hinged with a second hinge part 71,
  • the first end of the third connecting rod 7 is hingedly provided with a third sliding part 72; the third sliding part 72 is slidingly connected to the base 2,
  • the second hinge part 71 is hinged to the eighth hinge part 61, and the ninth hinge part 62 is hinged to the fourth hinge.
  • the sixth hinge part 51 , the eighth hinge part 61 and the second hinge part 71 are hinged at the same position, and the seventh hinge part 52 is hinged with the fifth hinge part 43 .
  • the fifth hinge part 43, the sixth hinge part 51, the seventh hinge part 52, the eighth hinge part 61, the ninth hinge part 62, and the second hinge part 71 can be a rotating shaft hole or a rotating shaft.
  • the fifth hinge part 43 is a plurality of non-closed circular holes. The number of the non-closed circular holes is at least one. When there are multiple non-closed circular holes, the plurality of non-closed circular holes are arranged coaxially.
  • the sixth hinge part 51 is two coaxially spaced rotating shaft holes
  • the seventh hinge part 52 is three coaxially spaced rotating shaft holes
  • the eighth hinge part 61 is two coaxially spaced rotating shaft holes
  • the ninth hinge part 51 is two coaxially spaced rotating shaft holes.
  • the hinge part 62 is two coaxially spaced rotating shaft holes
  • the second hinge part 71 is three coaxially spaced rotating shaft holes
  • the third sliding part 72 is a sliding plate with an arc structure.
  • the width of the third sliding portion 72 is equal to the total width of the three connected coaxially spaced rotating shaft holes.
  • the sliding member 4 is a plate-shaped body with a predetermined width.
  • the sliding member 4 is provided with a second arcuate chute 41 , two chute portions 42 and two chute portions 42 .
  • Those skilled in the art can also open mounting holes or process holes on the sliding member 4 as needed to facilitate the connection of the sliding member 4 with the middle frame of the electronic device.
  • the second arc-shaped chute 41 is used to slidely cooperate with the second sliding part 11, so that a predetermined azimuth constraint relationship is formed between the two, so as to adjust the attitude of the support member 1.
  • the two chute parts 42 are respectively slidably engaged with the second sliding parts 83 of the two rotating parts 8 , and the fifth hinge part 43 is hinged with the seventh hinge part 52 .
  • the support member 1 is a plate-like structure with a predetermined length, which can be integrally formed by injection molding.
  • a first arc-shaped slide groove 12 is provided at one end of the support member 1 , and the first arc-shaped slide groove 12 is used to slidely cooperate with the first sliding part 92 .
  • the length direction of the first arc-shaped chute 12 extends along the width direction of the plate-shaped support member 1 and is located within the thickness range of the support member 1, thereby reducing the thickness of the support member 1 and avoiding the increase in thickness due to the support member 1 being too thick.
  • the thickness of the hinge mechanism is provided.
  • the entrance position of the first arc-shaped chute 12 can increase the width of the slot so that the first sliding member 9 can be more easily assembled into the first arc-shaped chute 12 .
  • a step groove 121 can be provided at the entrance position of the first arcuate chute 12 .
  • the width of the step groove 121 is greater than the thickness of the first sliding part 92 , so that at least one side wall of the step groove 121 is not in contact with the first sliding part 92 . Department 92 contact.
  • Two second sliding parts 11 are provided on one side plate of the supporting member 1 and are spaced apart from each other.
  • the two second sliding parts 11 are respectively slidably matched with the two second arc-shaped slide grooves 41 on the sliding member 4 .
  • the second sliding part 11 may include an arc-shaped sliding piece, and the arc-shaped sliding piece is adapted to the second arc-shaped sliding groove 41 .
  • An embodiment of the present disclosure also provides an electronic device, which may be a mobile phone, a tablet computer, etc.
  • the electronic device includes a foldable display screen 100 and the hinge mechanism of any of the above embodiments, and the base body 2 and the support member 1 support the foldable display screen 100 .
  • the base body 2 and the two support members 1 support the foldable display screen 100 , and there is no gap between the base body 2 and the two support members 1 and the foldable display screen 100 .
  • the base 2 and the two supports 1 support the foldable display 100 , and there are only small gaps between the base 2 and the two supports 1 and the foldable display 100 in a few locations. .
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined as “first” and “second” may explicitly or implicitly include at least one of these features. In the description of the present disclosure, “plurality” means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.
  • connection In this disclosure, unless otherwise explicitly stated and limited, the terms “installation”, “connection”, “connection”, “fixing” and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated; it can be mechanically connected, electrically connected or communicable with each other; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction between two elements, Unless otherwise expressly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances.
  • a first feature being “on” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features may be in indirect contact through an intermediary. touch.
  • the terms “above”, “above” and “above” the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature.
  • "Below”, “below” and “beneath” the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.
  • the terms “one embodiment,” “some embodiments,” “example,” “specific examples,” or “some examples” or the like mean that a particular feature, structure, material, or other feature is described in connection with the embodiment or example.
  • Features are included in at least one embodiment or example of the disclosure.
  • the schematic expressions of the above terms are not necessarily directed to the same embodiment or example.
  • the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
  • those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification unless they are inconsistent with each other.

Abstract

本公开提供了一种铰链机构和电子设备，铰链机构包括：基体和分别连接在基体两侧的两旋转组件；旋转组件包括：第一滑动件，支撑件和转动件第一滑动件的一端铰接于基体；支撑件与第一滑动件滑动连接，且滑动轨迹为弧形；转动件的第一端铰接于基体，转动件上设置有滑动件，滑动件能够在转动件上沿预定轨道滑动；滑动件与支撑件滑动连接。本公开的铰链机构通过设置支撑件的方位和姿态由第一滑动件和转动件共同约束，从而使得支撑件的转动路径能够与可折叠显示屏的折叠曲面的变化更加贴合，减小或者避免了支撑件与可折叠显示屏之间的间隙，从而提高可折叠显示屏在展开状态下的平整度。。

Description

铰链机构和电子设备 技术领域
本公开涉及可折叠显示屏技术领域，尤其涉及一种铰链机构和电子设备。
背景技术
就目前电子产品的发展趋势而言，折叠屏手机、折叠屏电脑等可折叠显示屏的应用越来越广泛。对于折叠形态的电子设备类产品，铰链机构至关重要，铰链结构的性能将直接影响着整机的功能及体验。
现有的一些铰链方案当中，均有组装复杂，平整度差等问题。大多都是单角度折叠，由于手机可折叠显示屏折弯半径的限制，导致可折叠显示屏难以完全贴合，折叠后中间有较大的楔形空隙。
此外，相关技术中的铰链机构普遍存在稳定性差的问题，从而造成折叠的手感欠佳，而且，容易发生故障，故障率较高。
发明内容
本公开旨在至少在一定程度上解决相关技术中的技术问题之一。
为此，本公开实施例提出一种铰链机构，包括：基体和分别连接在所述基体两侧的两旋转组件；
所述旋转组件包括：
第一滑动件，所述第一滑动件的一端铰接于所述基体；
支撑件，所述支撑件与所述第一滑动件滑动连接，且滑动轨迹为弧形；和
转动件，所述转动件的第一端铰接于所述基体，所述转动件上设置有滑动件，所述滑动件能够在所述转动件上沿预定轨道滑动；所述滑动件与所述支撑件滑动连接。
本公开实施例的铰链机构至少具有以下技术效果：支撑件的方位和姿态由第一滑动件和转动件共同约束，从而使得支撑件的转动路径能够与可折叠显示屏的折叠曲面的变化更加贴合，减小或者避免了支撑件与可折叠显示屏之间的间隙，从而提高可折叠显示屏在展开状态下的平整度，并使支撑件在转动过程中保持对可折叠显示屏的稳定支撑。
根据本公开实施例的铰链机构，所述支撑件上开设有与所述第一滑动件滑动配合的第一弧形滑槽，第一滑动件能够沿所述第一弧形滑槽相对所述支撑件滑动。
根据本公开实施例的铰链机构，所述第一滑动件包括第一铰接部和与所述第一铰接部 连接的第一滑动部，所述第一铰接部为转轴孔或者转轴，所述第一滑动部呈圆弧状。
根据本公开实施例的铰链机构，所述滑动件上开设有第二弧形滑槽，所述支撑件上具有第四滑动部，所述第四滑动部与所述第二弧形滑槽滑动配合。
根据本公开实施例的铰链机构，所述滑动件上开设有滑槽部，所述转动件与所述滑槽部滑动配合，以使所述滑动件能够沿所述转动件的延伸方向滑动。
根据本公开实施例的铰链机构，所述基体的一端设置有转轴，所述第一滑动件的一端具有轴孔，所述转轴穿设于所述轴孔，并与所述轴孔转动配合。
根据本公开实施例的铰链机构，所述旋转组件还包括用于限制所述滑动件滑动范围的连杆机构，所述连杆机构分别与所述基体和所述滑动件铰接。
根据本公开实施例的铰链机构，所述连杆机构包括第一连杆、第二连杆和第三连杆；
所述第三连杆的第一端与所述基体滑动连接，所述第三连杆的第二端与所述第二连杆的第一端铰接，所述第二连杆的第二端与所述转动件铰接，所述第二连杆的第二端与所述转动件的铰接位置位于所述滑动件和所述转动件的第一端之间，所述第一连杆的第一端、所述第二连杆的第一端和所述第三连杆的第二端铰接于同一位置，所述第一连杆的第二端与所述滑动件铰接；
所述基体、所述第二连杆、所述第三连杆以及所述转动件构成四连杆机构。
根据本公开实施例的铰链机构，所述基体具有第三弧形滑槽，所述第三连杆滑动配合于所述第三弧形滑槽。
根据本公开实施例的铰链机构，所述基体上固定设置有盖板，所述盖板和所述基体之间限定出所述第三弧形滑槽。
根据本公开实施例的铰链机构，所述第三连杆包括第二铰接部和与所述第二铰接部连接的第三滑动部，所述第二铰接部与所述第一连杆的第一端、所述第二连杆的第一端同轴铰接。
根据本公开实施例的铰链机构，所述第二铰接部为转轴孔或者转轴，所述第三滑动部为与所述第三弧形滑槽相适配的弧形滑片。
根据本公开实施例的铰链机构，所述转动件包括第三铰接部、第四铰接部和第四滑动部；
所述第三铰接部与所述基体铰接，所述第四铰接部与所述第二连杆的第二端铰接，所述第四滑动部与所述滑动件滑动连接。
根据本公开实施例的铰链机构，所述滑动件开设有滑槽部，所述第四滑动部与所述滑槽部滑动配合，以使所述滑动件能够沿所述转动件的延伸方向滑动。
根据本公开实施例的铰链机构，所述滑动件上具有第五铰接部，所述第一连杆具有第 六铰接部和第七铰接部；所述第五铰接部与所述第六铰接部铰接，所述七铰接部与所述第二连杆的第一端、第二铰接部同轴铰接。
根据本公开实施例的铰链机构，所述第二连杆具有第八铰接部和第九铰接部，所述第八铰接部与所述第四铰接部铰接，所述第九铰接部与所述第七铰接部、第二铰接部同轴铰接。
根据本公开实施例的铰链机构，所述第九铰接部包括至少两个具有轴孔的第一铰接凸起和位于两个第一所述铰接凸起之间的装配槽；
所述第七铰接部和所述第二铰接部均设置于所述装配槽内，两个所述铰接凸起和所述第七铰接部、所述第二铰接部通过同一转轴铰接。
根据本公开实施例的铰链机构，所述第七铰接部包括至少两个间隔分布的具有轴孔的第二铰接凸起，所述第二铰接部包括至少两个间隔分布的具有轴孔的第三铰接凸起，至少两个所述第二铰接凸起与至少两个所述第三铰接凸起相互交错分布。
根据本公开实施例的铰链机构，所述第五铰接部包括至少两个间隔分布的铰接凹槽，所述第六铰接部包括至少两个间隔分布的具有轴孔的第第四铰接凸起，至少两个所述铰接凹槽与至少两个所述第四铰接凸起相互交错分布。
本公开实施例还提出一种电子设备，包括可折叠显示屏和本公开实施例的铰链机构，所述基体和所述支撑件支撑所述可折叠显示屏。该电子设备的可折叠显示屏具有良好的平整度，用户体验佳。
附图说明
图1是本公开一实施例中铰链机构的原理图；
图2是本公开一实施例中铰链机构的背面视图；
图3是本公开一实施例中铰链机构的爆炸示意图；
图4是本公开一实施例中铰链机构的第一剖视图；
图5是本公开一实施例中铰链机构的第二剖视图；
图6是本公开一实施例中铰链机构在展开状态下的侧视图；
图7是本公开一实施例中铰链机构在折叠状态下的侧视图；
图8是本公开一实施例中第三连杆的立体示意图；
图9是本公开一实施例中第一连杆的立体示意图；
图10是本公开一实施例中滑动件的立体示意图；
图11是本公开一实施例中第二连杆的立体示意图；
图12是本公开一实施例中支撑件的立体示意图；
图13是本公开一实施例中转动件的立体示意图。
附图标记：
1-支撑件；11-第二滑动部；12-第一弧形滑槽；121-台阶槽；2-基体；21-第十铰接部；3-盖板；31-第三弧形滑槽；4-滑动件；41-第二弧形滑槽；42-滑槽部；43-第五铰接部；5-第一连杆；51-第六铰接部；52-第七铰接部；6-第二连杆；61-第八铰接部；62-第九铰接部；7-第三连杆；71-第二铰接部；72-第三滑动部；8-转动件；81-第三铰接部；82-第四铰接部；83-第四滑动部；9-第一滑动件；91-第一铰接部；92-第一滑动部；
100-可折叠显示屏。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
本公开实施例提供一种铰链机构，可用在具有可折叠屏的电子设备上。
参阅图2和图3，本公开实施例的铰链机构包括：基架组件和分别连接在基架组件两侧的两旋转组件；两旋转组件均可相对基架组件转动，基架组件和两旋转组件均可用于承载可折叠显示屏100，从而两个两旋转组件可带动可折叠显示屏100折叠到预定位置。其中，两旋转组件可关于基架组件对称设置或不对称设置。两相对设置的旋转组件在折叠或展开过程可以联动或不联动，当两相对设置的旋转组件在折叠或展开过程联动时，其中一个旋转组件通过联动机构与另外一个旋转组件联动，其中一个旋转组件转动可以带动另外一个旋转组件转动，从而实现两相对设置的旋转组件同时展开或折叠。具体地，联动机构可以为齿轮机构或滑块机构等，例如：可通过齿轮机构将两个旋转组件啮合连接，从而实现联动。如图2所示，当两相对设置的旋转组件在折叠或展开过程不联动时，两个旋转组件分别相对基体2转动，其中一个旋转组件的展开或折叠不影响另外一个旋转组件的展开或折叠。
需要说明的是，基架组件单侧设置旋转组件的数量为至少一个，可以根据铰链机构的长度以及待安装位置等因素调整旋转组件的数量以及位置。
参阅图3和图5，基架组件包括：基体2和与基体2固定连接或活动连接的盖板3；基体2和盖板3可以为固定连接，例如：图2所示的螺栓连接，除此之外，基体2和盖板3可以为滑动连接，基体2可以相对盖板3沿支撑面的法线方向运动，以更好地容纳可折叠显示屏100和支撑可折叠显示屏100。
具体地，旋转组件主要包括：第一滑动件9、支撑件1和转动件8，第一滑动件9的一端铰接于基架组件，并能够相对于基架组件转动，第一滑动件9的一端具体可以铰接于基体2；支撑件1与第一滑动件9滑动连接，且滑动轨迹为弧形；第一滑动件9用于与转动件8配合来限制支撑件1的方位和姿态。由此，支撑件1的方位和姿态既随着第一滑动件 9的转动而变化，又随着与第一滑动件9的相对滑动而变化。
进一步地，转动件8的第一端铰接于基架组件，具体可以铰接于基体2或者盖板3，从而使得转动件8可相对基架组件在预定范围内转动，转动件8上设置有滑动件4，滑动件4能够在转动件8上沿预定轨道滑动；滑动件4与支撑件1滑动连接。转动件8的第一端与基架组件的铰接轴线与第一滑动件9和基架组件的铰接轴线平行但不同轴。沿支撑件1的支撑面的法线方向，第一滑动件9的第一端与基架组件的铰接轴线相对于转动件8和基架组件的铰接轴线更靠近支撑件1支撑面一侧。
这样，转动件8和滑动件4进一步对支撑件1形成约束，辅助调整支撑件1的方位和姿态，从而使得支撑件1的转动路径能够与可折叠显示屏100的折叠曲面的变化更加贴合，减小或者避免了支撑件1与可折叠显示屏100之间的间隙，从而提高可折叠显示屏100在展开状态下的平整度，并使支撑件1在转动过程中保持对可折叠显示屏100的稳定支撑。
在一些实施例中，参阅图3和图4，支撑件1上开设有与第一滑动件9滑动配合的第一弧形滑槽12，第一滑动件9能够沿第一弧形滑槽12相对支撑件1滑动。具体地：支撑件1背离其支撑面一侧设置有弧形凸起，第一弧形滑槽12位于弧形凸起内，第一弧形滑槽12开口朝向基架组件一侧。进一步地，支撑件1靠近基架组件一侧设置有避让斜面和缺口。设置缺口可留出供其他零件安装的空间，从而使得铰链机构结构更加紧凑。
示例地，第一弧形滑槽12与第一滑动件9间隙配合，从而保证两者之间的相对滑动更加顺滑，提高了转动手感。
第一弧形滑槽12可设置在支撑件1的厚度范围内，从而避免因设置第一弧形滑槽12而增加支撑件1的整体厚度尺寸。参阅图4，第一弧形滑槽12的入口位置可增大槽口宽度，以便于第一滑动件9更容易装配到第一弧形滑槽12内。例如：第一弧形滑槽12的入口位置处且靠近支撑面的一侧设置有斜面一增加槽口宽度。
在一些实施例中，第一滑动件9包括第一铰接部91和与第一铰接部91连接的第一滑动部92，第一铰接部91与基架组件的基体2铰接，第一滑动部92与第一弧形滑槽12滑动连接。第一铰接部91和第一滑动部92一体成型，第一铰接部91位于第一滑动部92的一端部。
其中，第一铰接部91为转轴孔或者转轴，第一滑动部92呈圆弧板状，并与第一弧形滑槽12的形状相适配。在图3中第一铰接部91为转轴孔，基体2上设置有插置于第一铰接部91的第十铰接部21，从而使得第一滑动部92可通过第一铰接部91绕基体2上的转轴转动。第十铰接部21可以是设置于基体2的端部的第一转轴。
在一些实施例中，滑动件4上开设有第二弧形滑槽41，支撑件1上具有第二滑动部11，第二滑动部11与第二弧形滑槽41滑动配合。从而，滑动件4与支撑件1也在预定范围内 滑动配合，通过滑动配合的方式约束支撑件1的位置和姿态，使得支撑件1更加灵活，提高了支撑件1与可折叠显示屏100的贴合度。
示例地，第二滑动部11的半径小于滑动部92的半径，由于第二滑动部11对支撑件1的约束半径不同于第二滑动部11对滑动件4的约束半径，从而更好地调整支撑件1的方位和姿态。
具体地，第二滑动部11包括与第二弧形滑槽41相适配的弧形滑片以及连接于弧形滑片的支撑筋。支撑筋和弧形滑片一体成型，增强了弧形滑片的结构强度。
在一些实施例中，参阅图10，滑动件4上开设有滑槽部42，转动件8与滑槽部42滑动配合，以使滑动件4能够沿转动件8的延伸方向滑动。示例地，滑槽部42可以为直线滑槽，从而使得转动件8与滑动件4的相对滑动路径为直线。滑槽部42的横截面可以是梯形、或者T形，只要能够约束转动件8，并保证能够相对转动件8滑动即可。
参阅图2和图3，每个旋转组件可包括两个转动件8，同时滑动件4上设置两个滑槽部42，两个转动件8与两个滑槽部42一一对应地滑动配合。通过设置两个转动件8和与之配合的两个滑槽部42，能够提高滑动件4相对转动件8的滑动稳定性，从而提升转动手感。
示例地，两个转动件8可以在旋转组件的长度方向上对称设置。根据需要两个转动件8可以在旋转组件的长度方向上也可以不对称设置。
进一步地，两个旋转组件上的转动件8相对设置，并且可以通过齿轮联动，从而实现两个旋转组件同步转动。
在一些实施例中，基体2的一端设置有转轴，第一滑动件9的一端具有轴孔，基体2的转轴穿设于第一滑动件9的轴孔，并与第一滑动件9的轴孔转动配合。或者，基体2的一端设置有轴孔，第一滑动件9的一端具有转轴，第一滑动件9的转轴穿设于基体2的轴孔，并与基体2的轴孔转动配合。又或者，基体2的一端和第一滑动件9的一端均具有轴孔，转轴分别插装在基体2和第一滑动件9的轴孔中以实现基体2和第一滑动件9铰接。
示例地，第一滑动件9具有第一铰接部91和与第一铰接部91连接的第一滑动部92，轴孔开设于第一铰接部91，第一滑动部92为圆弧状。第一滑动部92和第一铰接部91设置有过渡部，过渡部设置有支撑面，在铰链机构处于展开状态时，过渡部的支撑面与支撑件1的支撑面位于同一平面，以支撑可折叠显示屏100。过渡部的背离支撑面一侧设置有缺口，缺口可以起到避让作用，以避免过渡部与盖板3干涉。
在一些实施例中，旋转组件还包括用于限制滑动件4滑动范围的连杆机构，连杆机构分别与基体2和滑动件4铰接。通过设置连杆机构可限制滑动件4在转动件8上的位置，避免滑动件4与转动件8脱离。
进一步地，参阅图1和图3，连杆机构包括第一连杆5、第二连杆6和第三连杆7；第 三连杆7的第一端与基体2滑动连接，第三连杆7的第二端与第二连杆6的第一端铰接，第二连杆6的第二端与转动件8铰接，第二连杆6的第二端与转动件8的铰接位置位于滑动件4和转动件8的第一端之间，第一连杆5的第一端、第二连杆6的第一端和第三连杆7的第二端铰接于同一位置，第一连杆5的第二端与滑动件4铰接；其中，基体2、第二连杆6、第三连杆7以及转动件8构成四连杆机构。滑动件4在转动件8上的位置可由第一连杆5和第二连杆6的夹角决定，这种连接方式能够灵活地控制滑动件4在转动件8上的位置，而且连杆之间不会发生相互干涉。
通过连杆机构约束滑动件4，连杆之间不会发生相互干涉，有利于减小整体厚度，从而可实现整机轻薄化，给用户带来更好的使用体验。
参阅图3和图5，基架组件包括：基体2和与基体2固定连接或活动连接的盖板3；盖板3和基体2之间形成第三弧形滑槽31，第三连杆7滑动配合于第三弧形滑槽31。从而基架组件与第三连杆7的连接方式也为滑动配合连接。这种连接方式提高了第三连杆7的灵活性，有利于对滑动件4的灵活控制。
其中，第三弧形滑槽31的设置方式并不限于上述实施例，第三弧形滑槽31还可以开设于基体2或者盖板3上，只要能够使得所形成的第三弧形滑槽31能够有效约束第三连杆7滑动即可。
示例地，第三连杆7相对基体2的滑动轨迹也为弧形，第三弧形滑槽31与第三连杆7的第三滑动部72相适配，均为圆弧状，且第三弧形滑槽31与第三连杆7的第三滑动部72为间隙配合，从而保证滑动的灵活性。
进一步地，基架组件包括：基体2和盖板3，盖板3和基体2之间限定出第三弧形滑槽31。由此，可以通过调节盖板3和基体2的配合紧密度，调整第三弧形滑槽31的大小，从而更加精确地与第三连杆7滑动配合。盖板3与基体2活动连接或固定连接。例如：参见图3和图5所示，盖板3与基体2通过螺栓固定连接。盖板3与基体2活动连接时，在铰链机构相对展开或折叠过程中，盖板3可以相对基体2运动。进一步地，盖板3与基体2滑动连接，在铰链机构相对展开过程中，基体2向背离盖板3一侧运动，并在展开的极限位置时基体2的支撑面与支撑件1的支撑面位于同一平面以支撑可折叠显示屏100，在铰链机构相对折叠过程中，基体2向靠近盖板3一侧运动，在折叠的极限位置时，支撑件1的支撑面与基体2的支撑面呈倾斜设置以形成容屏空间。由于在铰链机构相对折叠过程中基体2向靠近盖板3一侧运动，可以增加容屏空间，以减少可折叠显示屏折痕。
在一些实施例中，第一滑动件9与基体2铰接，转动件8与盖板3铰接。进一步地，第一滑动件9设置有第一铰接部91，第一铰接部91为转轴孔或者转轴，基体2设置有与第一铰接部91相适配的第十铰接部21，基体2上的第十铰接部21可以为转轴孔或者转轴。 例如：如图3所示，第一铰接部91至少包括：第一转轴孔，第十铰接部21包括：从背离支撑面一侧延伸出的第一转轴，基体2的第一转轴插置于第一转轴孔，已实现基体2与第一滑动件9的铰接。除此之外，基体2在第一转轴的位置处设置有避让缺口，以保证第一滑动件9在转动过程中不与基体2产生干涉。
在一些实施例中，参阅图10，滑动件4上开设有滑槽部42，转动件8与滑槽部42滑动配合，以使滑动件4能够沿转动件8的延伸方向滑动。参阅图13，转动件8包括第三铰接部81、第四铰接部82和第四滑动部83；第三铰接部81与基体2铰接，第四铰接部82与第二连杆6的第二端铰接，第四滑动部83与滑槽部42滑动配合。
其中，第三铰接部81和第四铰接部82可以是转轴孔或者转轴，在图3中第三铰接部81和第四铰接部82是转轴孔，可以理解的是，第三铰接部81和第四铰接部82只要能够满足于相关零件的有效铰接即可，并不限于上述两种结构。
在一些实施例中，参阅图8，第三连杆7包括第二铰接部71和与第二铰接部71连接的第三滑动部72，第二铰接部71与第一连杆5的第一端、第二连杆6的第一端同轴铰接。
其中，第二铰接部71为转轴孔或者转轴，在图8中，第二铰接部71为三个同轴且直径相同的转轴孔，相邻的转轴孔之间具有插槽，以便于与第一连杆5的第一端、第二连杆6的第一端同轴铰接。
第三滑动部72为与第三弧形滑槽31相适配的弧形滑片，第二铰接部71与第三滑动部72一体成型。在一些实施例中，第二铰接部71和第三滑动部72之间可设置平板部，参阅图5，铰链机构在折叠状态下，第三滑动部72从第三弧形滑槽31内向外滑动，平板部高于基体2，铰链机构在展开状态下，第三滑动部72向第三弧形滑槽31内滑动，平板部与基体2平行。
在一些实施例中，参阅图13，转动件8包括第三铰接部81、第四铰接部82和第四滑动部83，第三铰接部81、第四铰接部82和第四滑动部83依次连接；
第三铰接部81与基体2铰接，第四铰接部82与第二连杆6的第二端铰接，第四滑动部83与滑动件4滑动连接，即：第四滑动部83与滑槽部42滑动配合。
其中，第三铰接部81位于端部，并包括一个转轴孔，第四铰接部82位于第三铰接部81和第四滑动部83之间，并具有一个转轴孔，第四滑动部83为长条板，其形状与滑槽部42相适配。第三铰接部81的中心轴线与第四滑动部83的板面平行，但位于第四滑动部83的板面之外，第四铰接部82的中心轴线与第四滑动部83的板面重合，即位于第四滑动部83的板面内。
在一些实施例中，参阅图10，滑动件4开设有滑槽部42，第四滑动部83与滑槽部42滑动配合，以使滑动件4能够沿转动件8的延伸方向滑动。一个滑动件4上可以同时设置 两个或者更多个滑槽部42，从而分别与不同的第四滑动部83滑动连接，从而提高滑动件4与转动件8的连接可靠性。
其中，当一个滑动件4上可以同时设置两个或者更多个滑槽部42时，相邻的滑槽部42间隔相等，并且在滑动件4上对称分布。
进一步地，参阅图9和图10，滑动件4上具有第五铰接部43，第一连杆5具有第六铰接部51和第七铰接部52；第五铰接部43与第六铰接部51铰接，第七铰接部52与第二连杆6的第一端、第二铰接部71同轴铰接。
具体地，第六铰接部51包括至少两个间隔分布的具有轴孔的第四铰接凸起511，相邻的两个第四铰接凸起511之间具有插槽，第四铰接凸起511呈圆柱状，轴孔的轴线与圆柱状的轴线重合。
第七铰接部52包括至少两个间隔分布的具有轴孔的第二铰接凸起521，相邻的两个第二铰接凸起521之间具有插槽，第二铰接凸起521呈圆柱状，轴孔的轴线与圆柱状的轴线重合。
参阅图9，第一连杆5具有三个第四铰接凸起511和两个第二铰接凸起521，三个第四铰接凸起511和两个第二铰接凸起521分别位于第一连杆5的两端，且其中一个第四铰接凸起511与两个第二铰接凸起521之间的插槽相对设置，第二铰接凸起521与两个第四铰接凸起511之间的插槽相对设置。
在一些实施例中，参阅图11，第二连杆6具有第八铰接部61和第九铰接部62，第八铰接部61与第四铰接部82铰接，第九铰接部62与第七铰接部52、第二铰接部71同轴铰接。
其中，第八铰接部61具有两个同轴的轴孔，分别与两个第四铰接部82铰接。第九铰接部62包括至少两个具有轴孔的第一铰接凸起621和位于两个第一铰接凸起621之间的装配槽622；装配槽622同于容纳第七铰接部52和第二铰接部71，从而减小连杆机构占用的空间，进而减小了铰链机构的整体厚度。
具体地，第九铰接部62包括至少两个具有轴孔的第一铰接凸起621和位于两个第一铰接凸起621之间的装配槽622；第七铰接部52和第二铰接部71均设置于装配槽622内，两个铰接凸起621和第七铰接部52、第二铰接部71通过同一转轴铰接。
参阅图9，第七铰接部52包括至少两个间隔分布的具有轴孔的第二铰接凸起521，参阅图8，第二铰接部71包括至少两个间隔分布的具有轴孔的第三铰接凸起711，至少两个第二铰接凸起521与至少两个第三铰接凸起711相互交错分布，也就是说第二铰接凸起521插置于两个第三铰接凸起711之间的插槽中，第三铰接凸起711插置于两个第二铰接凸起521之间的插槽中，从而使得至少两个第二铰接凸起521与至少两个第三铰接凸起711相 互交错交叉，如此设置有利于减小第二连杆6和第三连杆7的整体尺寸，从而减小连杆机构占用的空间，进而减小了铰链机构的整体厚度。
在一些实施例中，参阅图10，第五铰接部43包括至少两个间隔分布的铰接凹槽431，参阅图9，第六铰接部51包括至少两个间隔分布的具有轴孔的第第四铰接凸起511，至少两个铰接凹槽431与至少两个第四铰接凸起511相互交错分布，也就是说，第四铰接凸起511插置于两个铰接凹槽431之间，铰接凹槽431插置于两个第四铰接凸起511之间，从而形成相互交错交叉的分布结构，如此设置有利于减小滑动件4和第一连杆5的整体尺寸，从而减小连杆机构占用的空间，进而减小了铰链机构的整体厚度。
示例地，将铰接凹槽431为非封闭的圆孔，连接第六铰接部51和第五铰接部43时，先将转轴插入至少两个第四铰接凸起511内，然后将转轴按压到至少两个铰接凹槽431内，转轴与铰接凹槽431过盈配合，从而保证按压进铰接凹槽431后，不容易从铰接凹槽431脱落出来，如此设置可简化安装过程，提高制造效率。
在一些实施例中，铰接凹槽431也可以为U形槽，U形槽的开口位置的宽度略小于U形槽的槽底的宽度，从而在装配时，装配于第四铰接凸起511的转轴从U形槽的开口挤压进入U形槽的底部，装配后不容易从U形槽内脱落，提高了装配的可靠性。
在一些实施例中，滑动件4上设置有第五铰接部43，第一连杆5的第一端具有第六铰接部51，第一连杆5的第二端具有第七铰接部52，第二连杆6的第一端铰接具有第八铰接部61，第二连杆6的第二端铰接具有第九铰接部62，第三连杆7第二端铰接具有第二铰接部71，第三连杆7的第一端铰接具有第三滑动部72；第三滑动部72与基体2滑动连接，第二铰接部71与第八铰接部61铰接，第九铰接部62与第四铰接部82铰接，第六铰接部51、第八铰接部61和第二铰接部71铰接于同一位置，第七铰接部52与第五铰接部43铰接。
其中，第五铰接部43、第六铰接部51、第七铰接部52、第八铰接部61、第九铰接部62、第二铰接部71，可以是转轴孔或者转轴，在图3中，第五铰接部43为多个非封闭的圆孔，非封闭的圆孔的数量为至少一个，当为多个时，多个非封闭的圆孔同轴设置。第六铰接部51为两个同轴间隔设置的转轴孔，第七铰接部52为三个同轴间隔设置的转轴孔，第八铰接部61为两个同轴间隔设置的转轴孔，第九铰接部62为两个同轴间隔设置的转轴孔，第二铰接部71为三个同轴间隔设置的转轴孔，第三滑动部72为具有圆弧结构的滑动板。第三滑动部72的宽度与所连接的三个同轴间隔设置的转轴孔的总宽度相等。
在一些实施例中，参阅图10，滑动件4为具有预定宽度的板状体，滑动件4上设置有第二弧形滑槽41、两个滑槽部42和位于两个滑槽部42之间的第五铰接部43，其中第二弧形滑槽41和两个滑槽部42分别开设于滑动件4的不同侧的板面上。本领域技术人员根据 需要还可以在滑动件4上开设安装孔或者工艺孔，以便于将滑动件4与电子设备的中框连接。
其中，第二弧形滑槽41用于与第二滑动部11滑动配合，从而使得两者之间形成预定的方位约束关系，以实现对支撑件1姿态的调整。两个滑槽部42分别与两个转动件8的第二滑动部83滑动配合，第五铰接部43与第七铰接部52铰接。
在一些实施例中，参阅图12，支撑件1为具有预定长度的板状结构，可采用注塑的方式一体成型形成。在支撑件1的一端设置有第一弧形滑槽12，第一弧形滑槽12用于与第一滑动部92滑动配合。第一弧形滑槽12的长度方向沿着板状的支撑件1的宽度方向延伸，并位于支撑件1的厚度范围内，从而降低支撑件1的厚度，避免因支撑件1过厚而增加铰链机构的厚度。
参阅图4，第一弧形滑槽12的入口位置可增大槽口宽度，以便于第一滑动件9更容易装配到第一弧形滑槽12内。具体地，可以在第一弧形滑槽12的入口位置设置台阶槽121，该台阶槽121的宽度大于第一滑动部92的厚度，从而使得台阶槽121的至少一个侧壁不与第一滑动部92接触。
支撑件1的一侧板面上设置有两个间隔设置的第二滑动部11，两个第二滑动部11分别与滑动件4上的两个第二弧形滑槽41滑动配合。第二滑动部11可以包括弧形滑片，弧形滑片与第二弧形滑槽41相适配。
本公开实施例还提供一种电子设备，该电子设备可以是手机、平板电脑等。具体地，电子设备包括可折叠显示屏100和上述任一实施例的铰链机构，基体2和支撑件1支撑可折叠显示屏100。
参阅图6，在展开状态下，基体2和两个支撑件1支撑可折叠显示屏100，且基体2和两个支撑件1与可折叠显示屏100之间没有间隙。参阅图7，在折叠状态下，基体2和两个支撑件1支撑可折叠显示屏100，且基体2和两个支撑件1与可折叠显示屏100之间仅在少部分位置存在较小间隙。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“纵向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
此外，术语“第一”、“第二”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”的特征可以 明示或者隐含地包括至少一个该特征。在本公开的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本公开中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
在本公开中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本公开中，术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管已经示出和描述了上述实施例，可以理解的是，上述实施例是示例性的，不能理解为对本公开的限制，本领域普通技术人员对上述实施例进行的变化、修改、替换和变型均在本公开的保护范围内。

Claims (21)

  1. 一种铰链机构，其特征在于，包括：
    基架组件和分别连接在所述基架组件两侧的两旋转组件；
    所述旋转组件包括：
    第一滑动件(9)，所述第一滑动件(9)的一端铰接于所述基架组件；
    支撑件(1)，所述支撑件(1)与所述第一滑动件(9)滑动连接，且滑动轨迹为弧形；和
    转动件(8)，所述转动件(8)的第一端铰接于所述基架组件，所述转动件(8)上设置有滑动件(4)，所述滑动件(4)能够在所述转动件(8)上沿预定轨道滑动；所述滑动件(4)与所述支撑件(1)滑动连接。
  2. 根据权利要求1所述的铰链机构，其特征在于，所述支撑件(1)上开设有与所述第一滑动件(9)滑动配合的第一弧形滑槽(12)，第一滑动件(9)能够沿所述第一弧形滑槽(12)相对所述支撑件(1)滑动。
  3. 根据权利要求1或2所述的铰链机构，其特征在于，所述第一滑动件(9)包括第一铰接部(91)和与所述第一铰接部(91)连接的第一滑动部(92)，所述第一铰接部(91)与所述基架组件铰接，所述第一滑动部(92)与所述支撑件(1)的第一弧形滑槽(12)滑动连接。
  4. 根据权利要求3所述的铰链机构，其特征在于，所述第一铰接部(91)为转轴孔或者转轴；和/或，所述第一滑动部(92)呈圆弧状，并与所述第一弧形滑槽(12)的形状相适配。
  5. 根据权利要求1所述的铰链机构，其特征在于，所述滑动件(4)和所述支撑件(1)中的一者上开设有第二弧形滑槽(41)，所述滑动件(4)和所述支撑件(1)中的另一者上具有第二滑动部(11)，所述第二滑动部(11)与所述第二弧形滑槽(41)滑动配合。
  6. 根据权利要求5所述的铰链机构，其特征在于，所述第二滑动部(11)包括：与所述第二弧形滑槽(41)相适配的弧形滑片，以及连接于所述弧形滑片的支撑筋。
  7. 根据权利要求5所述的铰链机构，其特征在于，所述第一滑动件(9)包括：与所述支撑件(1)的第一弧形滑槽(12)滑动连接的第一滑动部(92)，所述第二滑动部(11)的半径小于所述第一滑动部(92)的半径。
  8. 根据权利要求1-7任一项所述的铰链机构，其特征在于，所述旋转组件还包括：用于限制所述滑动件(4)滑动范围的连杆机构，所述基架组件和所述滑动件(4)均与所述连杆机构铰接。
  9. 根据权利要求8所述的铰链机构，其特征在于，所述连杆机构包括第一连杆(5)、第二连杆(6)和第三连杆(7)；
    所述第三连杆(7)的第一端与所述基架组件滑动连接，所述第三连杆(7)的第二端与所述第二连杆(6)的第一端铰接，所述第二连杆(6)的第二端与所述转动件(8)铰接，所述第二连杆(6)的第二端与所述转动件(8)的铰接位置位于所述滑动件(4)和所述转动件(8)的第一端之间，所述第一连杆(5)的第一端、所述第二连杆(6)的第一端和所述第三连杆(7)的第二端同轴铰接，所述第一连杆(5)的第二端与所述滑动件(4)铰接；
    所述基架组件、所述第二连杆(6)、所述第三连杆(7)以及所述转动件(8)构成四连杆机构。
  10. 根据权利要求9所述的铰链机构，其特征在于，所述基架组件包括：基体(2)和与所述基体(2)固定连接或活动连接的盖板(3)；所述盖板(3)和所述基体(2)之间形成第三弧形滑槽(31)，所述第三连杆(7)滑动配合于所述第三弧形滑槽(31)。
  11. 根据权利要求9所述的铰链机构，其特征在于，所述第三连杆(7)包括第二铰接部(71)和与所述第二铰接部(71)连接的第三滑动部(72)，所述第二铰接部(71)与所述第一连杆(5)的第一端、所述第二连杆(6)的第一端同轴铰接。
  12. 根据权利要求11所述的铰链机构，其特征在于，所述基架组件具有第三弧形滑槽(31)，所述第二铰接部(71)包括转轴孔或者转轴；和/或所述第三滑动部(72)包括与所述第三弧形滑槽(31)相适配的弧形滑片。
  13. 根据权利要求9-12任一项所述的铰链机构，其特征在于，所述基架组件包括：基体(2)和与所述基体(2)固定连接或活动连接的盖板(3)；
    所述转动件(8)包括第三铰接部(81)、第四铰接部(82)和第四滑动部(83)；
    所述第三铰接部(81)与所述基体(2)或所述盖板(3)铰接，所述第四铰接部(82)与所述第二连杆(6)的第二端铰接，所述第四滑动部(83)与所述滑动件(4)滑动连接。
  14. 根据权利要求13所述的铰链机构，其特征在于，所述滑动件(4)开设有滑槽部(42)，所述第四滑动部(83)与所述滑槽部(42)滑动配合，以使所述滑动件(4)能够沿所述转动件(8)的延伸方向滑动。
  15. 根据权利要求13所述的铰链机构，其特征在于，所述滑动件(4)上具有第五铰接部(43)，所述第一连杆(5)具有第六铰接部(51)和第七铰接部(52)；所述第五铰接部(43)与所述第六铰接部(51)铰接，所述第七铰接部(52)与所述第二连杆(6)的第一端、第二铰接部(71)同轴铰接。
  16. 根据权利要求15所述的铰链机构，其特征在于，所述第二连杆(6)具有第八铰接部(61)和第九铰接部(62)，所述第八铰接部(61)与所述第四铰接部(82)铰接， 所述第九铰接部(62)与所述第七铰接部(52)、第二铰接部(71)同轴铰接。
  17. 根据权利要求9-12任一项所述的铰链机构，其特征在于，所述第二连杆(6)包括至少两个具有轴孔的第一铰接凸起(621)和位于两个所述第一铰接凸起(621)之间的装配槽(622)；
    所述第一连杆(5)的第一端和所述第三连杆(7)的第二端均位于所述装配槽(622)内，且所述铰接凸起(621)分别与所述第一连杆(5)的第一端和所述第三连杆(7)的第二端铰接。
  18. 根据权利要求17所述的铰链机构，其特征在于，所述第一连杆(5)包括：第七铰接部(52)，所述第三连杆(7)包括：第二铰接部(71)，第七铰接部(52)和第二铰接部(71)位于所述装配槽(622)内，且所述铰接凸起(621)分别和第七铰接部(52)和第二铰接部(71)通过同一轴铰接。
  19. 根据权利要求18所述的铰链机构，其特征在于，所述第七铰接部(52)包括至少两个间隔分布的具有轴孔的第二铰接凸起(521)，所述第二铰接部(71)包括至少两个间隔分布的具有轴孔的第三铰接凸起(711)，至少两个所述第二铰接凸起(521)与至少两个所述第三铰接凸起(711)相互交错分布。
  20. 根据权利要求15所述的铰链机构，其特征在于，所述第五铰接部(43)包括至少两个间隔分布的铰接凹槽(431)，所述第六铰接部(51)包括至少两个间隔分布的具有轴孔的第四铰接凸起(511)，至少两个所述铰接凹槽(431)与至少两个所述第四铰接凸起(511)相互交错分布。
  21. 一种电子设备，其特征在于，包括可折叠显示屏(100)和如权利要求1-20任一项所述的铰链机构，所述基体(2)和所述支撑件(1)支撑所述可折叠显示屏(100)。
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