361results about "Pivots" patented technology

An apparatus for attaching a gimbal for an antenna to a structure, the apparatus including a pivot element for attachment to the structure, wherein the pivot element includes a first hole for rotatably attaching the gimbal to the pivot element using a first fastening element, wherein the pivot element includes a second hole, which is an oblong hole, for guiding a rotational movement of the gimbal within an angular range around an axis of rotation associated with the first hole, wherein a first surface of the pivot element, which faces the gimbal, when the gimbal is attached to the pivot element, is convex.

The invention discloses a hinge assembly, a mechanical joint and a robot. A plurality of structural members of the hinge assembly comprise a first structural member, a second structural member and a third structural member. The plurality of bearings of the hinge assembly includes a first bearing and a second bearing. In the axial direction, the bearing seat of the second structural part is located between the bearing seat of the first structural part and the third structural part, the first bearing ring is located between the first bearing and the second bearing, and the two end faces of the first bearing ring abut against the inner ring of the first bearing and the inner ring of the second bearing correspondingly. The second bearing ring is located between the second bearing and the third structural part, and the two end faces of the second bearing ring abut against the inner ring of the second bearing and the third structural part correspondingly. The hinge assembly further comprises a fastening assembly, and the fastening assembly fastens the inner ring of the first bearing, the first bearing ring, the inner ring of the second bearing, the second bearing ring and the third structural part together in the axial direction. Therefore, linkage of the third structural part, the inner ring of the first bearing and the inner ring of the second bearing can be achieved.

The invention relates to a rotating mechanism and a vehicle interior assembly including the same. The rotating mechanism is used for rotatably connecting a first component to a second component, and comprises: a housing adapted to be mounted to the second component; the rotating shaft is rotatably mounted on the shell around the central axis of the rotating shaft, and is suitable for being connected with the first component so as to drive the first component to rotate; the damping piece is arranged on the rotating shaft in a sleeving mode, and the damping piece is configured to provide constant rotating resistance for the rotating shaft when the rotating shaft rotates around the central axis of the rotating shaft. According to the rotating mechanism, the driving force loss can be avoided by ensuring the constant rotating internal resistance in the rotating process of the rotating shaft.

The application provides a rotating shaft mechanism and electronic equipment. The rotating shaft mechanism comprises a main shaft assembly and a damping assembly. The main shaft assembly comprises a first shaft body and a second shaft body, and a first limiting groove is arranged on the circumferential surface of the first shaft body. The damping assembly is located between the circumferential surface of the first shaft body and the circumferential surface of the second shaft body, and the damping assembly comprises one or more damping groups. Each damping group comprises an elastic member and a first ball. The first ball is located at the first end of the elastic member, and the first ball is abutted to the circumferential surface of the first shaft body through the elastic force of the elastic member. The second end of the elastic member is elastically connected to the circumferential surface of the second shaft body. During rotation of the first shaft body, the first ball rolls relative to the circumferential surface of the first shaft body and can be positioned in the first limiting groove. The rotating shaft mechanism provided by the application solves the problem that the rotating shaft mechanism in the prior art is not smooth enough when folding and the experience is not good.

A segmented adjustable arm device comprising a segment chain of a plurality of interconnected segments, wherein adjacent ends of each pair of adjacent segments of the segment chain form a ball and socket joint, one of the adjacent ends of each pair of the adjacent segments presenting a spherical or partially spherical plug and the other end of the adjacent ends presenting a socket configured to receive and hold the plug, allowing relative radial motion between the segments of that pair; and a locking mechanism, including a locking train that includes one or a plurality of rigid elements arranged in series along the segment chain, configured, when subjected to applied pressure, to pull the plurality of interconnected segments away from each other, and increase friction at the ball and socket joint to immobilize motion between adjacent segments.

This invention provides a rotating shaft assembly, comprising a base, a first rotating mechanism, a second rotating mechanism, and a damping mechanism. The first rotating mechanism is rotatably connected to one side of the base; the second rotating mechanism is rotatably connected to the opposite side of the base. The damping mechanism includes a stop member slidably connected to the base and a first elastic member. The first rotating mechanism and the stop member are rotatably connected via a first arcuate rail and a first arcuate groove. The second rotating mechanism and the stop member are rotatably connected via a second arcuate rail and a second arcuate groove. The axis of the first arcuate groove is parallel to the axis of the second arcuate groove. The first elastic member has a pre-elastic force that causes the stop member to abut against the first rotating mechanism and / or the second rotating mechanism. This invention also provides a folding housing and an electronic device.

A non-Cartesian coordinate positioning machine is provided, including a first platform and a second platform, and a plurality of extendable leg assemblies arranged between the first platform and the second platform for positioning the first platform and the second platform relative to each other. Each extendable leg assembly includes: (i) a first member and a second member that move relative to each other when the extendable leg assembly changes length, and (ii) a measuring member fixed to the first member for measuring the length associated with the extendable leg assembly; wherein the first member is at least partially formed of a composite material.

A motion system with a controllable rotation range comprises a base (P), a first component (10), a second component (20) and a third component (30), the first component (10) can rotate around a first rotation shaft (R1) relative to the base (P), the second component (20) can rotate around a second rotation shaft (R2) relative to the first component (10), the third component (30) can rotate around a third rotation shaft (R3) relative to the second component (20), the included angle between the first rotation shaft (R1) and the second rotation shaft (R2) is a1, and a2 is an angle between the first rotation shaft (R1) and the second rotation shaft (R2). The included angle between the second rotating shaft (R2) and the third rotating shaft (R3) is a2, 0 degree < a1 < 90 degrees, 0 degree < a2 < 90 degrees, the third component (30) comprises a first collision area, the base (P) comprises a second collision area, the first collision area can interfere with the second collision area, and the conical angle of a conical area covered by the third rotating shaft (R3) in the moving process is made to be smaller than 4 * a1 and 4 * a2. And the rotating range can be set as required.

The application discloses a rotating shaft structure, which comprises a support and a rotating shaft module. The support is used for being installed at the edge of a first machine body. The rotating shaft module comprises two rotating shaft assemblies, the opposite ends of the rotating shaft assemblies are installed at the two ends of the support, and the opposite ends of the rotating shaft assemblies are used for being connected with a second machine body respectively. The rotating shaft assembly comprises a transmission shaft and a transmission base. The transmission shaft has a first channel which penetrates through the opposite ends of the transmission shaft, the first end of the transmission shaft is fixedly connected with the support, and the outer wall of the second end of the transmission shaft has a damping pattern part. The transmission base is sleeved on the outer wall of the other end of the transmission shaft and is pivotally connected with the transmission shaft. The rotating shaft structure further comprises a cable which penetrates through the first channel, and the cable, the rotating shaft module and the support are combined into an integrated whole. In this way, the engagement force during pivoting between the transmission shaft and the transmission base can be optimized, and the experience during use is improved.

The utility model discloses a universal rotating shaft mechanism for a subway train, which belongs to the technical field of subway train through passage connecting pieces and comprises a winding drum, a protective plate, a central shaft, a spring, an upper mounting seat and a lower mounting seat, and the central shaft is connected with the protective plate through an upper clamping block and a lower clamping block respectively; the central shaft is respectively connected with the upper mounting seat and the lower mounting seat, and the upper mounting seat and the lower mounting seat are connected with the winding drum through screws; an upper mounting seat is arranged above the upper clamping block, a middle mounting seat is arranged above the lower clamping block, the spring is located between the upper mounting seat and the middle mounting seat, conical barrels are arranged at the bottom of the upper mounting seat and the top of the middle mounting seat, and the conical barrels are sleeved with the two ends of the spring. According to the utility model, the fixing effect on the central shaft can be improved; and meanwhile, the spring is fixed through the two groups of conical barrels which are opposite up and down.

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.

The invention discloses a universal adjusting type suspension pull rod device, which relates to the technical field of magnet coils and comprises a carbon fiber rod body. The carbon fiber rod body is used as a supporting carrier, and the whole assembly symmetrically arranged at the two ends ensures the consistency of two-way adjustment. All the components are sequentially matched through spherical pairs to form multiple rotatable connection nodes, the limitation that a traditional pull rod can only be finely adjusted in the axial direction is broken through the synergistic effect of the first universal spherical pair and the second universal spherical pair, the device is endowed with the multi-dimensional rotational freedom degree in space, and the device can be adjusted in the axial direction. Multi-dimensional deviations in the transverse direction, the longitudinal direction and the angle direction between external structures can be flexibly compensated; meanwhile, the spherical pair contact frame is detachably connected with the fixed supporting base through the connecting assembly, the connecting assembly can be kept in an unlocked state firstly during assembling, the pull rod device is automatically matched with the relative position of the installation foundation through the free rotation characteristic of the spherical pair, high-precision initial alignment is not needed, and complex manual calibration operation is also not needed.

A ball-joint assembly (34, 36, 38) of a crank (30, 32) and a connecting rod (26, 28) of a windshield wiper module, comprising a crankpin (40) fixed to the crank (30, 32) and a ball-joint housing comprising a socket (42) being arranged to receive the crankpin (40), said socket (42) being fixed in an opening (46) of an end of the connecting rod (26, 28), wherein the socket (42) is made in two parts (48, 50) assembled one with the other with a first part (48) being overmolded on the opening (46) of the end of the connecting rod (26, 28) and a second part (50) being fitted on the crankpin (40), said first part (48) having a hole (49) configured to receive the second part (50).

The present invention relates to a mounting arrangement for the articulated mounting of an actuator (10) in a positioning device (9). In order to enable a simpler production and mounting process and in particular to facilitate an exchange of actuators in an existing construction or installation of the positioning device, the mounting arrangement comprises a joint device (8), a bearing (2) supporting a part or an element of the joint device (8), and a bearing seat (1) detachably connected to the bearing (2). Further aspects of the invention relate to a positioning device having such a mounting arrangement and to a device for producing such a mounting arrangement.

The application discloses an adaptive ball head entering device, which comprises a base, a three-dimensional force sensor installed on the base, a bearing seat installed above the three-dimensional force sensor, a flange cover installed above the bearing seat, a locking cover installed above the flange cover, a ball head seat installed in the flange cover, the ball head seat being located above the bearing seat and a tapered roller bearing being arranged between the ball head seat and the bearing seat, a first central through hole being arranged on the ball head seat, an adaptive positioning section being arranged at the upper end of the first central through hole, and an inner conical surface being arranged on the inner wall of the adaptive positioning section; a second central through hole for the ball head to enter and exit is arranged in the flange cover, a third central through hole for the ball head to pass through is arranged on the locking cover; a control mechanism for controlling the ball head is arranged on the flange cover; the control mechanism comprises a locking through hole arranged in the side wall of the second central through hole, a locking pin installed in the locking through hole and a control driving mechanism for driving the locking pin to move along the locking through hole between a free station, an anti-escape station and a locking station.

The present disclosure relates to a bushing (100) for a joint assembly (10) of a vehicle suspension (1), the bushing (100) comprising: - an inner barrel (110) for receiving a pivot element (300) of the joint assembly (10), wherein the inner barrel (110) comprises a longitudinal extension along a longitudinal axis (A) and two end faces (112) at opposite longitudinal ends (111) of the inner barrel (110); - an outer barrel (120) surrounding the inner barrel (110); and - a resilient portion (130) arranged between the inner barrel (110) and the outer barrel (120); wherein at least one of the longitudinal ends (111) of the inner barrel (110) comprises a protruding section (113) extending in a direction of the longitudinal axis (A) over a height (H 113 ) which protrudes beyond one of the end faces (112) and over a length (L) circumferentially around the longitudinal axis (A). 113 ​

The present invention describes a detachable connection between a pitch control unit arm (5) and a pitch angle piece (8) of a blade holder (7) in a tail rotor head (3) of a tail rotor (1) of a rotary wing aircraft, said detachable connection comprising a pin connecting said pitch angle piece (8) attached to the blade holder (7) with said pitch control unit arm (5) of a pitch control unit (4), thereby reducing material wear and shortening the maintenance cycle. This is achieved because said pin is designed as a sliding pin (9) protruding between the pitch angle piece (8) and the pitch control unit arm (5), which in its length direction passes through a spherical bearing in the form of a ball (6) with a central ball through hole (61), wherein the ball (6) and the part of the sliding pin (9) are surrounded by an outer ring (60) of the spherical bearing, thus allowing a sliding and pivoting movement of the sliding pin (9) inside the spherical bearing.

The invention discloses a rotating shaft assembly and electronic equipment. The rotating shaft assembly comprises a base, a first swing arm, a door plate, a connecting block and a limiting piece. One end of the first swing arm is rotatably connected with the base, and the other end is connected with the connecting block. The door plate is slidably connected with the first swing arm. And the limiting piece is arranged on the connecting block and is in sliding connection with the limiting part of the door plate, so that the door plate can be limited. The door plate and the first swing arm can have sufficient lap joint amount, the door plate can be prevented from being separated from the first swing arm, and it can be guaranteed that relative movement between the door plate and the first swing arm is smooth and free of jamming. Meanwhile, the door plate and the connecting block are matched through the limiting part and the limiting piece, so that the door plate and the connecting block can be prevented from being separated from each other, and the position and the rotating state of the door plate can be effectively limited. Therefore, through constraint of the first swing arm and the connecting block, it is guaranteed that the door plate has high rotation precision and stability relative to the base.

A spring, a damping assembly, and an electronic device. The electronic device may include any one of a handheld device, an in-vehicle device, a wearable device, a terminal device or connected to a wireless modem, a cellular phone, a smartphone, a personal digital assistant, a computer, a tablet computer, a laptop, or the like. In embodiments of this application, a cross section of a spring wire is a rectangle. Under a same space condition, a coil spring with a rectangular cross section has a higher rigidity, absorbs more energy, and increases a damping force generated by the damping assembly, thereby improving a hand feeling of a user when folding or unfolding the electronic device. When a same damping force is met, the coil spring with a rectangular cross section occupies a smaller space, which facilitates arrangement of another component of the electronic device.

Provided are a curvature adjustment mechanism and a display screen. The display screen comprises a curvature adjustment mechanism, the curvature adjustment mechanism comprises a first unit (1), a second unit (2), a rack assembly, a gear assembly, and a driving rod (23), and the first unit (1) comprises a first portion (101) and a second portion (102). The second unit (2) comprises a third portion (201) and a fourth portion (202), and the first portion (101) is slidably connected to the third portion (201). The second portion (102) is slidably connected to the fourth portion (202). The rack assembly comprises a first rack (21), and the first rack (21) is fixed to the first portion (101). The gear assembly comprises a first gear (22), and the first gear (22) is engaged with the first rack (21). The driving rod (23) is fixedly connected to the first gear (22), and the driving rod (23) is rotatably connected to the third portion (201) and the fourth portion (202). When adjusting the curvature of the display screen, only the driving rod (23) needs to be rotated, the driving rod (23) drives the first gear (22) to rotate, and the first gear (22) rotates to drive the first rack (21) to slide relative to the second unit (2). By using the engagement between the gear and the rack, the curvature adjustment of the display screen can be accurate to one degree.

A trunnion-mounted cylinder actuator assembly having an actuator body, a frame, and trunnions connecting the body to the frame. The frame has openings that are sized to receive the trunnions, and at least one opening has a slot that extends from the opening to outside the frame. The slot is larger than the associated trunnion, to allow the trunnion to be slid along the slot into the opening. Each opening has a bearing interposed between the trunnion and the opening, with the bearing being larger than the slot. An agricultural vehicle having a header, reel and reel actuator having the foregoing trunnion connection is also provided.

A canopy engagement device including a socket, provided with a base end and an engagement end, the engagement end being engaged with the carrier, a first rotation base provided between the base end of the socket and the second rotation base, a second rotation base, the first and second rotation bases being rotatable relative to the socket, and a locking member, disposed between the first rotation base and the second rotation base, rotatable along with the first rotation base to limit an angle between the first rotation base and the second rotation base in a range.

The invention relates to the technical field of steel plate hoisting and transferring, and particularly discloses a steel plate hoisting and transferring device and method for steel ship block construction. The steel plate hoisting and transferring device comprises a sling, a mounting frame is arranged below the sling, the four corners of the upper end of the mounting frame are fixedly connected with the sling, and electromagnetic adsorption parts are arranged at the four corners of the mounting frame; adjusting assemblies are arranged at the four corners of the mounting frame, and two sets of anti-falling assemblies are symmetrically arranged on the mounting frame. When steel plates need to be hoisted and transferred, the mounting frame is moved to a designated position through the sling, and when the straight steel plates or the bent steel plates cannot be effectively adsorbed by the initial positions of the four sets of electromagnetic adsorption parts, the adjusting assembly can adjust the positions of the four sets of electromagnetic adsorption parts, so that the bent steel plates with different sizes are stably adsorbed, and the hoisting efficiency is improved. The two sets of anti-falling assemblies can lift the lower portion of the steel plate, an effective protection area is formed, and after the steel plate is sucked, the mounting frame is lifted through the slings to transfer the steel plate.

To provide bearings, particularly bearings with a split in their circumferential sidewall, and methods of production and assembly thereof.SOLUTION: A bearing 31 includes a bearing sidewall 308 including a first circumferential end 340 including an apex region and a second circumferential end 342 including a nadir region. The first and second circumferential ends are adapted to contact each other to form an interface 344. At least one of the apex and nadir regions includes a void to prevent contact between the apex region of the first circumferential end and the nadir region of the second circumferential end. The bearing sidewall includes a substrate and a low friction material. At least one of the first and second circumferential ends comprises an end face that is free of the low friction material.SELECTED DRAWING: Figure 3A

The invention discloses a shooting support which comprises a supporting leg assembly and a holder assembly connected to the supporting leg assembly, and the holder assembly is used for installing photographic equipment. The supporting leg assembly comprises a first supporting leg, the first supporting leg is connected with a clamping assembly, and the clamping assembly comprises a first clamping arm and a second clamping arm which are rotatably arranged around a rotating shaft. The first clamping arm and the second clamping arm have a folding state of being folded to the first supporting leg in the rotating process and an unfolding state of being unfolded outwards relative to the first supporting leg and forming a clamping space on one side of the first supporting leg in the rotating process. The clamping assembly capable of being unfolded and folded is additionally arranged on the first supporting leg, the first clamping arm and the second clamping arm of the clamping assembly can be clamped and fixed to an external object after being unfolded, and fixing of the shooting support is achieved; therefore, the position of the shooting support can be fixed in more scenes through the clamping assembly on the first supporting leg, and the use scene of the shooting support is wider.