103results about "Physics instruments" patented technology

According to various embodiments, an electronic device includes a first housing; a second housing; at least one hinge device configured to foldably couple the first housing and the second housing with respect to a folding axis, wherein the at least one hinge device includes a rotation bracket link; a first rotation bracket rotatably coupled to the rotation bracket link and connected to the first housing; a second rotation bracket rotatably coupled to the rotation bracket link and connected to the second housing; at least one hinge device including a first arm coupled to the first rotation bracket and a second arm coupled to the second rotation bracket; a flexible display disposed to receive support from the first housing, the second housing, and the hinge device; and a first plate and second plate disposed under the flexible display, wherein the first arm and the second arm have the second plate and a support area for supporting the second plate when the electronic device is in an unfolded state.

A spherical joint couples an accessory to a support. The spherical joint enables the accessory to be leveled about one or more axes and panned about an axis, such that the accessory may be leveled and panned with respect to a viewing sphere. The spherical joint comprises a collar, a cup, and a ball head, wherein the collar is configured to house the ball head and the ball head is configured to couple to one of an accessory or a support via a mount interface. The ball head further comprises a ball configured to enable rotation of the ball head relative to the collar with respect to one or more axes. The cup is configured to resist rotation of the ball head relative to the collar, such that the spherical joint may be fixed at a suitable orientation.

A spherical joint couples an accessory to a support. The spherical joint enables the accessory to be leveled about one or more axes and panned about an axis, such that the accessory may be leveled and panned with respect to a viewing sphere. The spherical joint comprises a collar, a cup, and a ball head, wherein the collar is configured to house the ball head and the ball head is configured to couple to one of an accessory or a support via a mount interface. The ball head further comprises a ball configured to enable rotation of the ball head relative to the collar with respect to one or more axes. The cup is configured to resist rotation of the ball head relative to the collar, such that the spherical joint may be fixed at a suitable orientation.

A camera module according to an embodiment disclosed herein may include a lens assembly, an AF carrier in which at least a portion of the lens assembly is located, a camera housing configured to receive the AF carrier, an AF actuator configured to drive the AF carrier to move in an optical axis direction with respect to the camera housing and having a portion disposed on the AF carrier and the camera housing, a first guide groove extending on a surface of the camera housing in the optical axis direction, a second guide groove extending on a surface of the AF carrier in the optical axis direction and facing the first guide groove, at least one first AF ball disposed between the first guide groove and the second guide groove, and a recess disposed on one of the camera housing and the AF carrier and facing the at least one first AF ball. Various other embodiments are possible.

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.

A linear guide device comprises a rail (2) having a first feed device (8) extending along a longitudinal direction (L), a carriage (3) being provided to be movable relative to the rail (2) along the longitudinal direction (L) and having a second feed device (9) extending along the longitudinal direction (L), a cage (4) being provided to be movable relative to the rail (2) and the carriage (3) along the longitudinal direction (L), and a coupling element (6) designed to engage simultaneously with the first and the second feed devices in order to cause movement of the cage (4) relative to the rail (2) and / or the carriage (3) when the carriage (3) is fed along the longitudinal direction (L), characterized in this respect.The coupling element (6) has at least one projection (43, 44) which interacts with a stop surface (13a, 14, 35a, 36) formed on the rail and / or the slide to hold the coupling element (6) in the linear guide device (1).

The invention discloses a hinge mechanism and electronic equipment, and belongs to the technical field of communication. The hinge mechanism comprises a hinge base, a swing arm, a damping assembly and a linkage assembly, the swing arm is rotationally connected with the hinge base through a rotating shaft, the damping assembly comprises a moving part and an elastic damping part, the moving part is matched with the swing arm, and when the swing arm rotates relative to the hinge base, the swing arm drives the moving part to move in the axial direction of the rotating shaft; the linkage assembly comprises a transmission part and a screen supporting part, the transmission part is connected with the moving part, and the transmission part is in transmission connection with the screen supporting part; in the unfolding process of the hinge mechanism, the moving piece drives the transmission piece to move in the first direction, and the transmission piece drives the screen supporting piece to move in the direction away from the hinge base. In the folding process of the hinge mechanism, the moving part drives the transmission part to move in the second direction, the transmission part drives the screen supporting part to move in the direction close to the hinge base, and the first direction and the second direction are opposite and are both parallel to the axial direction of the rotating shaft.

A tire test device of an embodiment of the present invention is provided with a road surface, a carrier that rotatably holds a test tire on which a test tire is mounted and that is capable of traveling along the road surface in a state in which the test tire is in contact with the road surface, and a guide mechanism that guides the carrier to travel in a traveling direction. The guide mechanism is provided with a rail that extends in the traveling direction of the carrier, and a trolley that is fixed to the carrier and is capable of traveling on the rail. The trolley is provided with a roller that is capable of rolling on the rail, and a bearing that rotatably supports the roller. The bearing is a rolling bearing that is provided with a rolling element that rolls on a circular track.

The invention discloses electronic equipment and a connecting device. The electronic equipment comprises a first body, a second body and the connecting device for connecting the first body and the second body. The first body is provided with a first display screen, the second body is provided with a second display screen, and the second display screen is different from the first display screen. The connecting device comprises a first shaft and a second shaft, the first body and the second body can relatively rotate based on the connecting device, the electronic equipment comprises a target state, in the target state, the first body is at a target angle relative to the second body, and at least part of projection of the first shaft towards the second shaft is located on the first body or the second body.

The invention provides a synchronizing mechanism, a hinge device, a folding device and foldable electronic equipment, the synchronizing mechanism comprises a fixed seat, a sliding seat, a first swing arm and a second swing arm arranged on two sides of the fixed seat, and a synchronizing part arranged between the first swing arm and the second swing arm, when one swing arm rotates, the synchronizing part slides along a first direction, and when the other swing arm rotates, the synchronizing part slides along a second direction; and the other swing arm is driven to rotate. Each swing arm comprises two sub swing arms which are arranged in the first direction and have a gap, and the synchronous part is pressed between the two sub swing arms of each swing arm in the first direction. First sliding structures are arranged between the two sub-swing arms and the sliding seat and between the two sub-swing arms and the fixed seat, and a second sliding structure is arranged between at least one sub-swing arm and the synchronous piece or the fixed seat to limit the sub-swing arm where the second sliding structure is located to move relative to the fixed seat in the third direction. According to the synchronous transmission device, the problem that the synchronous part is prone to inclining and warping can be effectively solved, high-precision synchronous transmission is achieved, a good synchronous effect is achieved, and flatness is guaranteed.

To suppress deformation of a ball bearing caused when press-fitting and fixing a bearing holder.SOLUTION: A holding structure of a ball bearing 2 supporting a shaft freely rotatably comprises: a bearing holder 4 including a cylindrical holder part 40 inside which the ball bearing 2 is fitted from one side in an axial direction of the shaft and a positioning part 45 which is arranged on the other side in an axial direction of the holder part 40 and abuts, from the other side, against the ball bearing 2; and a mounting plate 3 including a cylindrical mounting part 31 into which a part 41 of the holder part 40 is press-fitted from the other side. An inner surface of the holder part 40 is arranged with: an adhesive surface 42 to be caused to adhere to an outer peripheral surface 2f of the ball bearing 2 with an adhesive; a relief surface 43 having an inner diameter D3 larger than an inner diameter D2 of the adhesive surface 42 on the one side of the adhesive surface 42; and a step surface 44 for connecting the adhesive surface 42 and the relief surface 43. A position of the step surface 44 in the axial direction is overlapped with a position of the ball bearing 2 in a state that the ball bearing 2 is fitted into the bearing holder 4.SELECTED DRAWING: Figure 2

To enhance bearing rigidity against moment load to suppress centrifugal whirling of a shaft, without enlarging an axial dimension of a dynamic pressure bearing.SOLUTION: A dynamic pressure bearing (bearing sleeve 8) comprises a first dynamic pressure generation unit 11 and a second dynamic pressure generation unit 12 provided on an inner peripheral surface 8a so as to be spaced apart from each other in an axial direction. The respective dynamic pressure generation units 11, 12 respectively have a plurality of dynamic pressure grooves 11a, 11b, and 12a, 12b arranged in a herringbone shape and having different inclination directions. The first dynamic pressure generation unit 11 has an annular hill part 11c between the axial directions of the plurality of dynamic pressure grooves 11a, 11b having different inclination directions. The plurality of dynamic pressure grooves 12a, 12b having different inclination directions of the second dynamic pressure generation unit 12 are continuous in the axial direction.SELECTED DRAWING: Figure 3

The embodiment of the present application provides a pivot support structure and a display device, and belongs to the technical field of display, the pivot support structure is used for bearing a flexible display panel, the flexible display panel comprises a flat area and at least one bending area, comprises a first support plate, the orthographic projection of the first support plate on the flexible display panel is located in the bending area, wherein the first support plate comprises a plurality of chain plates, any two adjacent chain plates in the plurality of chain plates are rotationally connected, one side of the first support plate towards the flexible display panel is provided with an adhesive layer, and the first support plate is connected with the bending area of the flexible display panel through the adhesive layer. Through the pivot support structure and the display device provided by the embodiment of the present application, the warping deformation of the bending area of the flexible display panel can be limited, and the creases generated by the flexible display panel are reduced.

A tilt and continuous rotation stage including: a central shaft (101) defining a main axis (111) of rotation for the stage; a bearing hub (102) rotatable about the central shaft; a top plate (104); a pair of ball bearings (103), mounted to the bearing hub, defining a tilt axis (112) for the top plate (104); a preload element (113) configured to cause the top plate to press against the pair of ball bearings; a pair of ball transfer units (106) mounted on the bottom surface of the top plate (104); a rotatable wedge ring (105) mounted concentrically to the bearing hub (102), the wedge ring (105) having a top surface inclined at an angle relative to the top plate and providing a running surface for the pair of ball transfer units (106); a first actuator configured to rotate the bearing hub about the main axis; and a second actuator configured to rotate the wedge ring about the main axis (111).

The present application relates to the field of electronic device fittings, and aims to solve the problem of it not being possible for known hinges to have a simple structure and also better meet rotational damping requirements. Provided are a hinge assembly, a support apparatus, an electronic device assembly and a foldable device. The hinge assembly comprises a rotary shaft, a first leaf and a second leaf. The first leaf comprises a first leaf plate and first sleeves. The second leaf comprises a second leaf plate and a second sleeve, wherein slits in the second leaf plate divide the second sleeve into a main sleeve and side sleeves. The first sleeves are provided with engagement recesses in a protruding manner, and the side sleeves are provided with engagement protrusions. In a first state, the engagement protrusions engage into the engagement recesses; and in a second state, the engagement protrusions and the engagement recesses are staggered in the circumferential direction, and the engagement protrusions of the side sleeves elastically abut against the first sleeves. The beneficial effect of the present application lies in: being capable of providing a better damping effect and a flattened state maintaining capacity.

The embodiment of the invention provides a rotating mechanism and folding electronic equipment. The rotating mechanism and the folding electronic equipment are used for solving the problem that a flexible screen is poor in reliability. The rotating mechanism comprises a main shaft, a first rotating shaft assembly and a second rotating shaft assembly. In the first rotating shaft assembly, the first end of a first rotating piece is rotationally connected with the main shaft, the second end of the first rotating piece is slidably connected with the first fixing frame in the sliding direction of the first sliding groove, the first end of a first swing rod is rotationally connected with the first rotating piece, and the second end of the first swing rod is slidably connected with the first fixing frame in the extending direction of the first guide groove. In the second rotating shaft assembly, the first end of a second rotating piece is rotationally connected with the main shaft, the second end of the second rotating piece is slidably connected with a second fixing frame in the extending direction of a second sliding groove, the first end of a second swing rod is rotationally connected with the second rotating piece, and the second end of the second swing rod is slidably connected with the second fixing frame in the extending direction of a second guide groove. The extending direction of the first guide groove and the extending direction of the second guide groove are both perpendicular to the second direction.

A dynamic pressure bearing (bearing sleeve (8)) has a first dynamic pressure generating portion (11) and a second dynamic pressure generating portion (12) provided separately in the axial direction on an inner peripheral surface (8a). Each dynamic pressure generating portion (11, 12) has a plurality of dynamic pressure grooves (11a, 11b, 12a, 12b) having different inclination directions arranged in a herringbone shape. The first dynamic pressure generating portion (11) has an annular hill portion (11c) between the axial directions of the plurality of dynamic pressure grooves (11a, 11b) having different inclination directions. The plurality of dynamic pressure grooves (12a, 12b) having different inclination directions of the second dynamic pressure generating portion (12) are continuous in the axial direction.

A hinge mechanism (100) and an electronic device (200) are provided. The hinge mechanism is configured to connect a first component (E) and a second component (F). The first component (E) is rotatably connected to the second component (F) about a first axis (Q1). The hinge mechanism (100) includes a first damping structure (1), a second damping structure (2), and a connecting piece (3). The first damping structure (1) is mounted on the first component (E). The first damping structure (1) and the second damping structure (2) are spaced apart in a first direction (X) and are connected through the connecting piece (3). The first damping structure (1) rotates about the first axis (Q1) relative to the second component (F) under driving of the first component (E), and the second damping structure (2) is driven by the connecting piece (3) to rotate about a second axis (Q2) relative to the second component (F). Both the first axis (Q1) and the second axis (Q2) extend in a second direction (Y), and the second direction (Y) is perpendicular to the first direction (X). The hinge mechanism (100) can provide a large damping force when a stand (81) of the electronic device (200) has a small width, thereby achieving a balance between stability of support by and a miniaturization design of the stand (81).

A rearview mirror assembly for a vehicle is provided, including: a mirror element having at least one substrate including a front surface and a rear surface; a mounting mechanism configured to be mounted to the vehicle, the mounting mechanism including a ball stud and a socket for receiving a ball of the ball stud, wherein the mounting mechanism is further configured such that one of the ball stud and the socket is adhesively attached to the rear surface of the substrate; and a mirror housing secured to the mirror element so as to extend behind the rear surface of the substrate and around the one of the ball stud and the socket that is attached to the rear surface.

A method of setting a pre-load of a production bearing within a production power transmission device including pressing a test bearing including pre-load instrumentation onto a test power transmission device, detecting a vibration response of the test power transmission device with a sensor with a test controller determining a lower side limit of natural frequency based on a first vibration signal sent from the sensor, detecting a vibration response of the test power transmission device with the sensor with the test controller determining an upper side limit of natural frequency based on the second vibration signal sent from the sensor; and conveying the lower side limit of natural frequency and the upper side limit of natural frequency to a production controller and using them to set the pre-load in a production power transmission assembly.

To provide a hinge device and an electronic apparatus that are able to generate a sufficient torque even with a small diameter and suppress vibration between chassis.SOLUTION: A hinge device 10 includes: a first shaft 26 that is fixed to a display chassis 14; a second shaft 30 that is fixed to a main body chassis 16; connecting plates 32, 34 to which the first shaft 26 and the second shaft 30 are rotatably fitted; a synchronization unit 36 configured to synchronously rotate the first shaft 26 and the second shaft 30 in opposite directions with respect to the connecting plates 32, 34; a first torque application unit 50 configured to apply a frictional force to a peripheral surface of the first shaft 26 by fitting the first shaft 26 thereto; and a second torque application unit 64 configured to apply a frictional force to the second shaft 30 in an axial direction.SELECTED DRAWING: Figure 4

The invention relates to a rotating shaft assembly and electronic equipment, the rotating shaft assembly comprises a shaft seat and a decorative plate assembly, the two sides of the shaft seat in the width direction of the rotating shaft assembly are rotatably connected with a support, the decorative plate assembly comprises a first decorative plate, a second decorative plate and a third decorative plate, and the third decorative plate is connected with the shaft seat in the thickness direction of the rotating shaft assembly; the first decorative plate and the second decorative plate are located on the two sides of the third decorative plate in the width direction of the rotating shaft assembly respectively and connected with the corresponding supports in the thickness direction of the rotating shaft assembly, the first decorative plate and the third decorative plate are rotationally connected through elastic connecting pieces, and the second decorative plate and the third decorative plate are rotationally connected through elastic connecting pieces. According to the rotating shaft assembly, the three decorative plates are integrally designed, so that the three decorative plates do not need to be mutually positioned in the assembling process, the assembling difficulty of the rotating shaft assembly is reduced, meanwhile, the relative position precision of the three decorative plates is improved, and the assembling precision of the rotating shaft assembly is improved.

A galvanometer drive with a limited angle of rotation comprises: a rotor rotatable about an axis of rotation (R) extending in the axial direction, wherein the rotor is supported by a bearing mechanism and has a magnet, wherein the bearing mechanism has at least two bearings; a stator surrounding the rotor with a cylindrical opening extending in the axial direction for receiving the rotor and at least one electrical coil attached to the stator which, when excited, can impart a bidirectional torque to the rotor; an angular position sensor for determining a rotational position of the rotor, which is arranged at an end face of the rotor, wherein at least one bearing is a rolling bearing (300) and the rolling bearing has an electrically insulating cover plate (305i).

This application provides a rotating mechanism and an electronic device. The rotating mechanism includes a first housing connecting rod, a second housing connecting rod, a main shaft, a first rotating door plate, a second rotating door plate, and door plate swing arms. Door plate swing arms are fixedly connected to the first and second rotating door plates respectively. The door plate swing arms are rotatably connected to the main shaft and movably connected to the first and second housings. In their flattened state, the first and second rotating door plates support the bent portion of a flexible display screen. In their folded state, the first and second rotating door plates form a screen-accommodating space for the bent portion of the flexible display screen. This application improves the motion accuracy of the first and second rotating door plates, ensuring the stability and reliability of the electronic device.

Provided is a ball bearing motor, relating to the technical field of camera module lens driving devices. The ball bearing motor includes a movable portion, a fixed portion, a driving portion, and balls. Under the action of the driving portion, the movable portion is movable relative to the fixed portion. A first ball track groove body and a second ball track groove body are provided on the fixed portion and the movable portion, respectively. The balls are sandwiched between the first ball track groove body and the second ball track groove body and can roll in the first ball track groove body and the second ball track groove body when the movable portion moves relative to the fixed portion. At least one of the first ball track groove body and the second ball track groove body can provide buffering for the balls through elastic deformation.