Abstract: A hinge mechanism includes a main shaft, a synchronization assembly, and two swing arms, where the two swing arms are respectively disposed on two opposite sides of the main shaft, and the two swing arms are rotatably connected to the main shaft. In addition, along an axial direction of the hinge mechanism, the synchronization assembly is located between the two swing arms. The synchronization assembly includes two gear assemblies. Each gear assembly includes a gear member and a connecting rod. The gear member includes a gear and a connection part. Gear surfaces of the gears of the two gear assemblies are engaged with each other, and the two gears are located between two connection parts. Each connecting rod is located between one connection part and one swing arm, and each connecting rod is slidably connected to the connection part and is rotatably connected to the swing arm.

Abstract: A hinge mechanism includes a main shaft, a rotating module, a first door plate, and a second door plate. The rotating module includes a first rotating component, a second rotating component, a first housing fastening bracket, and a second housing fastening bracket. The first rotating component includes a first support arm, a first connecting member, and a first door plate fastening bracket. The first connecting member is separately and rotatably connected to the first support arm and the first door plate fastening bracket, and the first connecting member is rotatably or slidably connected to the main shaft. The second rotating component includes a second support arm, a second connecting member, and a second door plate fastening bracket. The second connecting member is rotatably connected to the second support arm and the second door plate fastening bracket, and the second connecting member is rotatably or slidably connected to the main shaft.

Abstract: A connection component, a foldable display, and a foldable electronic device are provided. The foldable display includes a display, middle frames, a hinge, and a fastener. The display is disposed above the middle frames and the hinge, the middle frames and the hinge are fastened by using the fastener, and the middle frames include a first mechanical part and the hinge includes a second mechanical part, or the middle frames include the second mechanical part and the hinge includes the first mechanical part. The first mechanical part is provided with a protruding portion, a bearing portion, and a threaded hole, and the threaded hole is at least partially provided on the protruding portion.

Abstract: This application provides a hinge mechanism and an electronic device. One example hinge mechanism includes a base, and a first rotating assembly and a second rotating assembly that are respectively disposed on two sides of the base. When the first rotating assembly and the second rotating assembly rotate toward each other, a length of the hinge mechanism may be increased; or when the first rotating assembly and the second rotating assembly rotate opposite to each other, a length of the hinge mechanism may be shortened, and a support surface for supporting a flexible display can be formed.

Abstract: The hinge mechanism includes a base and a rotating module, where the rotating module includes two rotating assemblies that are respectively disposed on two opposite sides of the base. Each rotating assembly includes a swing arm, a housing fastening bracket, a radial rotating arm, and a support arm. The swing arm is rotatably connected to the base, the radial rotating arm is located between the swing arm and the housing fastening bracket, the radial rotating arm is rotatably connected to the swing arm and the housing fastening bracket separately, and a rotation axis of the radial rotating arm extends in a direction in which the housing fastening bracket moves toward or away from the base. The support arm is rotatably connected to the base and is slidably connected to the housing fastening bracket.

Abstract: An electronic device is disclosed. The electronic device includes a first housing, a second housing, a third housing, a first hinge mechanism, and a second hinge mechanism. The first housing is rotatably connected to the second housing through the first hinge mechanism, and the second housing is rotatably connected to the third housing through the second hinge mechanism. When the electronic device is used, the first housing and the second housing are rotatable toward or away from each other under action of the first hinge mechanism, and the second housing and the third housing are rotatable toward or away from each other under action of the second hinge mechanism, so that the electronic device can be folded and unfolded based on different usage scenarios.

Abstract: A folding assembly and an electronic device are disclosed. The folding assembly includes a first bracket, a second bracket, and a rotating mechanism. The rotating mechanism includes a fastening structure, a first synchronous arm, a second synchronous arm, and a connecting structure. The first synchronous arm is connected to the first bracket, and is rotatably connected to the fastening structure by using the first shaft. The second synchronous arm is connected to the second bracket, and is rotatably connected to the fastening structure by using the second shaft. The connecting structure is rotatably connected to the first synchronous arm by using the third shaft and is rotatably connected to the second synchronous arm by using the fourth shaft, where the third shaft and the first shaft are spaced from each other, and the fourth shaft and the second shaft are spaced from each other.

Abstract: A folding apparatus includes a principal axis, a first bracket and a second bracket that are located on two sides of a principal axis along a width direction. A first connecting rod and a second connecting rod are located on two sides of the principal axis along the width direction, and a first swing arm and a second swing arm are located on two sides of the principal axis along the width direction. A first support plate and a second support plate are located on two sides of the principal axis along the width direction. When the first bracket and the second bracket rotate to be positioned face-to-face, and a length of accommodating space of the folding apparatus that accommodates a folded part of a flexible display can be extended.

Abstract: A foldable hinge includes a base and two folding assemblies. The two folding assemblies are located on two sides of the base, are both connected to the base, and are capable of being opened or closed relative to each other. Each of the two folding assemblies includes a first swing arm, a second swing arm, a synchronous gear, and a support component. The first swing arm is pivotally connected to the base. The second swing arm is pivotally connected to the base. The synchronous gear is located in the base, and the first swing arm and the second swing arm are connected through transmission by using the synchronous gear. The support component is pivotally connected to the first swing arm, is linked to the second swing arm, and is capable of rotating relative to the first swing arm under an action of the second swing arm.

Abstract: A foldable module is provided, including a first connection part, a first pin, a first drive ring, and a first spring. A first pin hole is disposed on the first connection part, and the first pin passes through the first drive ring, the first pin hole, and the first spring. A first convex part and a first concave part are disposed between the first drive ring and the first connection part, and the first convex part is located between the first spring and the first concave part, or the first concave part is located between the first spring and the first convex part. When the first connection part rotates, the first convex part slides out of the first concave part. In a folding or unfolding process, the first convex part slides out of the first concave part, to provide damping force for unfolding or folding.

Abstract: The technology of this application relates to a foldable mobile terminal. The foldable mobile terminal includes a rotating shaft mechanism, two housings, and a flexible display. The flexible display is embedded into the two housings and covers the rotating shaft mechanism. The rotating shaft mechanism has a main shaft and two rotation parts, and the rotation part rotates with the housing on a corresponding side. The flexible display is fixed to the two housings and the two rotation parts. In this way, in a folding or unfolding process of the foldable mobile terminal, relative sliding of the flexible display relative to the two housings and the rotation parts can be avoided, thereby reducing a risk of damaging the flexible display. In addition, a part of the flexible display that is opposite to the main shaft can be bent freely.

Abstract: A foldable assembly which is configured to bear a flexible display. The foldable assembly includes a rotating shaft; a first mechanical part and a second mechanical part, where the first mechanical part and the second mechanical part are rotatably connected by using the rotating shaft; and a first protective structure, where the first protective structure is connected to an end face that is of the rotating shaft and that extends out of a periphery of the flexible display. A first surface of the flexible display is away from the rotating shaft, and the first protective structure is higher than or flush with the first surface of the flexible display, so that when the foldable display terminal falls, the first protective structure is in contact with a point of collision earlier than the flexible display.

Abstract: A hinge mechanism includes a base and a main shaft module, where the main shaft module includes two rotation assemblies, and the two rotation assemblies are located on two sides of the base. Each rotation assembly includes a support plate, a swing arm, a support arm, and a housing fastening bracket. The support plate has two guiding parts, and each guiding part has a groove. Both the support arm and the swing arm are rotatably connected to the base. The support arm and the swing arm each have a guiding structure, and the two guiding structures each are correspondingly inserted into a groove. When the two housing fastening brackets rotate toward each other, the support arm and the swing arm on a corresponding side may be driven to rotate around the base, and the support plate on the corresponding side is driven to rotate relative to the housing fastening bracket.

Abstract: A hinge mechanism and an electronic device are provided. The hinge mechanism includes a main shaft, a mounting bracket, a rotation support member, and a sliding assembly. The mounting bracket is rotatably connected to the main shaft through the rotation support member. The sliding assembly is located between the main shaft and the mounting bracket. The sliding assembly includes a slider and a rotating member. One end of the slider is rotatably connected to the main shaft, and the other end is slidably connected to the mounting bracket through a first sliding groove. One end of a first rotating member is rotatably connected to an end that is of a first slider and that is away from the main shaft, and the other end is slidably connected to a first mounting bracket through a second sliding groove.

Abstract: A hinge and a mobile terminal to resolve poor use effect of a foldable electronic device. The hinge includes a main body, and a first folding assembly and a second folding assembly that are symmetrically disposed along the main body. When the first folding assembly and the second folding assembly are rotated toward each other, a length of the hinge can be extended, and an accommodation space for accommodating the flexible display can be formed. When the first folding assembly and the second folding assembly are rotated away from each other, the length of the hinge can be reduced, and a support surface for supporting the flexible display can be formed, so that the flexible display cannot be stretched, compressed, or the like during folding and unfolding, thereby improving the use effect and safety of the mobile terminal.

Abstract: A rotating shaft mechanism is disclosed. The rotating shaft mechanism includes a main bracket and at least one rotating assembly. Each rotating assembly can rotate relative to the main bracket. The rotating assembly includes a rotating member, a middle frame, and a sliding member. The rotating member can be rotatably connected to the main bracket about the first rotation center, and the other end of the rotating member can be rotatably connected to the middle frame about the third rotation center. One end of the sliding member is hinged to the main bracket, and the sliding member can rotate relative to the main bracket about the second rotation center. The other end of the sliding member slidably coordinates with the middle frame, so that the middle frame is away from or close to the second rotation center along an extension direction of the sliding member.

Abstract: The rotation shaft structure includes a main shaft assembly, and two folding assemblies that are symmetrically disposed with respect to the main shaft assembly. The two folding assemblies may rotate toward or against each other relative to the main shaft assembly. When the folding assembly is specifically disposed, the folding assembly includes a rotation assembly, a support plate, and a housing mounting bracket. The rotation assembly is rotationally connected to the main shaft assembly. The support plate is rotationally connected to the housing mounting bracket and slidably connected to the rotation assembly.

Abstract: A hinge mechanism includes a base, a first rotation component, and a second rotation component, and the first rotation component and the second rotation component are disposed on two sides of the base respectively. The first rotation component includes a first support arm, a first rotation plate, a first pin shaft, and a first torsion spring. The first support arm is rotatably coupled to the base. A first side of the first rotation plate is rotatably coupled to the first support arm via the first pin shaft. The first torsion spring is sleeved on the first pin shaft, a first torsion arm of the first torsion spring is fastened to the first support arm, and a second torsion arm of the first torsion spring abuts against the first side of the first rotation plate.

Abstract: A hinge mechanism includes a base and a hinge assembly. The hinge assembly includes a first rotating assembly and a second rotating assembly. The first rotating assembly includes a first housing fastening bracket and a first rotating element rotatably connected between the base and the first housing fastening bracket. The second rotating assembly includes a second housing fastening bracket and a second rotating element rotatably connected between the base and the second housing fastening bracket. The first housing fastening bracket has a first support surface, the second housing fastening bracket has a second support surface, and the base has a third support surface.

Abstract: A foldable electronic device and a hinge mechanism thereof are provided. In addition to the hinge mechanism, the electronic device further includes two housings and a flexible display. The two housings are respectively disposed on two opposite sides of the hinge mechanism and are rotatably connected to the hinge mechanism. The hinge mechanism includes a base and a main shaft module. The base includes a bearing surface. The main shaft module includes two rotating assemblies. The two rotating assemblies are disposed on two opposite sides of the base. Each rotating assembly includes a swing arm and a housing fastening bracket, and each housing fastening bracket may be fastened to a housing on a corresponding side. In an unfolded state, the bearing surface independently supports a foldable portion of the flexible display. In a folded state, a screen accommodation space is formed between the two housing fastening brackets and the base.