Abstract: A rotating shaft assembly and an electronic device, where the rotating shaft assembly includes a panel and a rotatable support mechanism. The rotatable support mechanism includes a swing arm, a fixed structure, a limit part, and a support structure. The support structure is provided with a mounting plane, and the panel is fastened to the mounting plane; a first limit portion is formed on the swing arm; and the limit part is connected to the support structure, and a second limit portion is formed on the limit part. When the screen is in a folded state, the limit part is separated from the swing arm. When the screen is in an unfolded state, the second limit portion of the limit part can abut against the first limit portion of the swing arm, thereby implementing mutual constraint between the swing arm and the support structure.

Abstract: Embodiments of this application provide a damping assembly, a rotating mechanism, and a foldable terminal. The damping assembly has a simple structure and occupies a relatively small space, which is conductive to a lightening and thinning design of a foldable terminal. The damping assembly includes a damping section and a shaft sleeve sleeved onto the damping part, where the damping section includes a first damping part and a second damping part, and the shaft sleeve includes a first shaft sleeve part and a second shaft sleeve part an interference amount between the first shaft sleeve part and the first damping part is a first interference amount; an interference amount between the second shaft sleeve part and the second damping part is a second interference amount, and the second interference amount is less than the first interference amount.

Abstract: An electronic device may include a mobile phone, a tablet computer, a handheld computer, a walkie-talkie, a POS machine, an event data recorder, a wearable device, a virtual reality device, or in-vehicle original equipment or another terminal product with a loudspeaker. An inner wall of a mounting cavity for mounting a loudspeaker and the loudspeaker are respectively provided with mating surfaces that adapt to each other. In the two mating surfaces, one is provided with a flexible sealing member and a limiting structure, and the other is provided with a rigid sealing member. When the loudspeaker is mounted, the rigid sealing member can move relative to the flexible sealing member along a first direction, until the rigid sealing member is mated with the flexible sealing member. The limiting structure can restrict the flexible sealing member from moving.

Abstract: A support apparatus and a foldable electronic device are provided. The support apparatus includes a hinge assembly, a first housing, a second housing, and a first flexible sealing member. The hinge assembly includes a rotating shaft mechanism and a shaft cover, where the rotating shaft mechanism is fastened to the shaft cover. The first housing and the second housing are respectively located on two opposite sides of the hinge assembly, the first housing and the second housing are configured to rotate relative to the shaft cover through the rotating shaft mechanism, the first housing, the second housing, and the rotating shaft mechanism each have a support surface for supporting a foldable screen, and a first movement gap is present between the first housing and an outer surface of the shaft cover. The first flexible sealing member fits into and seals the first movement gap.

Abstract: This application provides a rotation mechanism, a supporting apparatus, and a foldable screen terminal, and relates to the field of electronic device technologies, so as to balance a lifting stroke of the lifting member and a thickness of the foldable screen terminal in an unfolded state. The rotation mechanism includes a lifting member, a shaft cover, a first swing arm, a second swing arm, a forcing structure, and a first supporting member. The lifting member includes a lamination surface. The shaft cover is located on a side that is of the lifting member and that is away from the lamination surface. The first swing arm and the second swing arm are respectively located on two opposite sides of the lifting member, and the first swing arm and the second swing arm can swing between an unfolded position and a folded position relative to the shaft cover.

Abstract: A mobile terminal includes a main board, a heat dissipation layer, a first support, and a housing that are sequentially stacked. A heat generation element is disposed on the main board, and an orthographic projection of the heat generation element on the housing is located in an orthographic projection of the first support on the housing. The heat dissipation layer is disposed in contact with the heat generation element, and an area of an orthographic projection of the heat dissipation layer on the housing is larger than an area of the orthographic projection of the first support on the housing.

Abstract: Embodiments of this application provide a hinge apparatus. a shaft cover, including accommodation recess parts; bases, disposed in the accommodation recess parts, where each base includes relief spaces and first adapter parts, the first adapter parts face the relief spaces, the base includes a synchronous slider and a limiting guide track, the limiting guide track is connected to the shaft cover, the limiting guide track is disposed at a side that is of the synchronous slider and that faces away from the shaft cover, and the synchronous slider is slidably connected to the limiting guide track; and swing arm assemblies, each including swing arm bodies and second adapter parts. A connection end of each swing arm body is close to the base. A free end of the swing arm body is away from the base. At least part of the connection end is located in the relief space.

Abstract: A ceramic resin composite housing, including a ceramic member and a resin member that is molded on the ceramic member through injection molding. A surface that is of the ceramic member and that is bonded with the resin member includes a plurality of long-strip-shaped holes extending from the surface to the inside of the ceramic member. The long-strip-shaped holes have an open hole structure. The long-strip-shaped holes are filled with a resin material that constitutes the resin member. The composite housing has both a ceramic texture and appearance, and an internal fine structure formed by resin, the ceramic and the resin both are tightly bonded, and a bonding strength is high. The embodiments of the present invention further provide a preparation method of the ceramic resin composite housing, and a terminal including the composite housing.

Abstract: This application provides a rotating mechanism, a support apparatus, and a terminal with a foldable screen. A problem that a rotating part with a large volume affects lightening and thinning of an existing terminal with a foldable screen is resolved. A transmission assembly is in a transmission connection to a first swing arm and a second swing arm, so that the first swing arm and the second swing arm rotate between a folded position and an unfolded position. When the first swing arm and the second swing arm rotate from the folded position to the unfolded position, a connection plate moves in a direction away from the shaft cover, and when the first swing arm and the second swing arm rotate from the unfolded position to the folded position, the connection plate moves in a direction close to the shaft cover.

Abstract: This application discloses a synchronous rotation mechanism and a foldable electronic device, and relates to the field of electronic device technologies. The synchronous rotation mechanism is used in a foldable electronic device. The synchronous rotation mechanism includes torque swing arms and a sliding member. The torque swing arms on two sides of the sliding member are connected by the sliding member. The torque swing arms are rotatably connected to the sliding member by sliders and helical slots, so that when the torque swing arm on one side rotates, the slider and the helical slot synchronously drive the sliding member to slide in a direction perpendicular to rotation of the torque swing arm, and then to drive the torque swing arm on another side to rotate synchronously.

Abstract: This application provides a foldable assembly and an electronic device. The foldable assembly includes a first main swing arm, a first torsion swing arm, a first shaft, and a damping assembly. The first main swing arm is provided with a first sliding groove. The first sliding groove includes a first acceleration segment and a first gentle speed segment connected to each other. An absolute value of a slope of the first acceleration segment is greater than an absolute value of a slope of the first gentle speed segment. The first torsion swing arm includes a first end and a second end. The first shaft passes through the first end and the first sliding groove, and connects the first torsion swing arm and the first main swing arm. The damping assembly is rotatably connected to the second end.

Abstract: This application provides a rotation mechanism, a supporting apparatus, and a foldable screen terminal, and relates to the field of electronic device technologies, so as to balance a lifting stroke of the lifting member and a thickness of the foldable screen terminal in an unfolded state. The rotation mechanism includes a lifting member, a shaft cover, a first swing arm, a second swing arm, a forcing structure, and a first supporting member. The lifting member includes a lamination surface. The shaft cover is located on a side that is of the lifting member and that is away from the lamination surface. The first swing arm and the second swing arm are respectively located on two opposite sides of the lifting member, and the first swing arm and the second swing arm can swing between an unfolded position and a folded position relative to the shaft cover.

Abstract: A heat pipe, a heat dissipation module, and a terminal device are disclosed. The heat pipe includes a heat pipe body and an ineffective portion that is integrally formed with the heat pipe body when the heat pipe is manufactured, where an inner side of a pipe wall of the heat pipe body has a porous capillary structure layer, the ineffective portion is located in at least a part of the periphery of the heat pipe body, and the ineffective portion is used as a mounting portion for fastening the heat pipe to another object. In a mounting process, a pressure needs to be applied only to the ineffective portion, so that the heat pipe body is not obviously affected. In this way, integrity of the porous capillary structure layer inside the heat pipe body is ensured while the heat pipe is fastened.

Abstract: Embodiments of this application provide a foldable electronic device, including: a shaft cap, a body, a first cam component, and a second cam component. The first cam component and the second cam component come into pressure contact. The first cam component is configured to be rotatable around a central shaft of the first cam component. The second cam component is configured to be slidable along a direction of the central shaft. A contact surface of the first cam component and the second cam component includes a locking section, an angle between a normal direction of the locking section and the central shaft is less than or equal to a preset value, and a resultant force of a cam driving member in a rotation direction of the cam driving member is o, so that the body is not automatically unfolded or folded, thereby implementing the freestop characteristic.

Abstract: Embodiments of this application provide a foldable electronic device, including a shaft cover, a device body, and a first swing arm; a second swing arm coupled to a damping component inside the shaft cover and distributed in parallel to the first swing arm; and a pin connecting the first swing arm and the second swing arm so that the second swing arm follows the first swing arm to rotate and transmits a damping force produced by the damping component to the first swing arm through the pin. In the electronic device according to the embodiments of this application, fitting between the annular groove and the boss increases a sectional area of a joint between the first swing arm and the second swing arm and reduces shear stress experienced by the pin, avoiding fracture of the pin under undesirably large shear stress, thereby improving reliability of the device.

Abstract: A hinge assembly is provided. The first swing arm includes a first hinge connecting part and a first rotating part. The first swing arm is rotatable relative to the base around a first axis between the first hinge connecting part and the first rotating part. The second swing arm includes a second hinge connecting part and a second rotating part. The second swing arm is rotatable relative to the base around a second axis between the second hinge connecting part and the second rotating part. The second axis is parallel to the first axis. The slider includes a first fastening part, a second fastening part, and an extension part. The extension part is located in the guide groove. The first fastening part is movably connected to the first hinge connecting part. The second fastening part is movably connected to the second hinge connecting part.

Abstract: A support apparatus and a foldable electronic device are provided. The support apparatus includes a hinge assembly, a first housing, a second housing, and a first flexible sealing member. The hinge assembly includes a rotating shaft mechanism and a shaft cover, where the rotating shaft mechanism is fastened to the shaft cover. The first housing and the second housing are respectively located on two opposite sides of the hinge assembly, the first housing and the second housing are configured to rotate relative to the shaft cover through the rotating shaft mechanism, the first housing, the second housing, and the rotating shaft mechanism each have a support surface for supporting a foldable screen, and a first movement gap is present between the first housing and an outer surface of the shaft cover. The first flexible sealing member fits into and seals the first movement gap.

Abstract: This application provides a damping mechanism. An elastic member, where the elastic member includes a first pin and a second pin; a first fixing member, where the first fixing member is rotatably connected to the second pin in a first direction; and a first swinging member, where the first swinging member includes a first fixing portion and a first moving portion connected to the first fixing portion, and the first fixing portion is rotatably connected to the first fixing member in the first direction; the first moving portion is rotatably connected to the first pin in the first direction; and when rotation is performed between the first fixing member and the first swinging member, an elastic force generated by the elastic member acts on a center of rotation in which the first moving portion is rotatably connected to the first pin, forming an unfolding force or a closing force.