117 results about "Spherical joint" patented technology

The invention discloses a composite type four-foot wall climbing robot integrating a fish suction cup adsorption mechanism and lizard crawling characteristics. The problems that a traditional wall climbing robot is poor in adsorption stability and insufficient in moving flexibility on uneven and wet wall surfaces are solved. The core structure of the robot comprises an adsorption sole assembly, a multi-degree-of-freedom leg joint, a bionic spine, a micro air pump and a sole pressure sensor, and the adsorption sole assembly controls an air bag through the air pump to generate negative pressure to adapt to various wall surfaces; multiple joints of the legs are matched with the spherical joints to achieve multi-angle attachment of the foot sole, the bionic spine can be bent and buffered, lizard diagonal gaits are adopted, the rotation angle of the joints is adjusted in combination with a sensor, self-adaptive movement on the wall with the inclination angle ranging from 0 degree to 90 degrees is achieved, and the efficiency is improved by 30% or above compared with a traditional robot. The robot breaks through the limitation of a single bionic mechanism, can be applied to complex high-altitude scenes such as building outer wall detection, and reduces the manual operation risk.

The application discloses a kind of tobacco box transport devices, comprising: transport car body, two pairs of universal wheels are arranged below the transport car body, to realize the steering and movement of transport car body;Rocker arm, one is arranged in the both sides of transport car body, one end of rocker arm is movably connected with a electric cylinder by spherical joint, the up-and-down swing of rocker arm is driven by the extension and contraction of electric cylinder, and electric cylinder is fixed on transport car body by spherical joint;The other end of rocker arm is linked with clamping arm, and the clamping parts of clamping arm on both sides are oppositely arranged to form the clamping space of clamping tobacco box;Pneumatic link mechanism, when cylinder extends, the distance between clamping arms is reduced to tightly hold tobacco box, and vice versa to release.The whole structure of the application is compact, can complete the taking and placing of tobacco box at different heights, freely move in the narrow environment carrying tobacco box, and also can realize material shoveling and dumping by vehicle movement and clamping cradle overturning.

The invention relates to an assembly comprising a blade holder cartridge (15); a shaving head (1), equipped with a magnetic suspension consisting of pairs of magnets (2, 4) and (5, 3) in an attractive position; and a handle (16) assembled to said head by means of a joint composed of a cup (20) and a ball joint (25) having pairs of connecting magnets (21, 22) and (23, 24) in a repulsive position. Shaving is performed using shaving blades (13, 14), positioned in the blade holder cartridge (15), which bear against the magnets (4, 5) that exert pressure on them to ensure a comfortable shave. This pressure can be adjusted using the dials (8, 9) associated with the screw rods (6, 7).

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 round sand crushing and shaping machine comprises a box body, a rotating shaft is rotationally arranged in the box body, a grinding assembly for grinding sand is arranged between the rotating shaft and the box body, the periphery of the rotating shaft is sleeved with a screen drum for screening the sand, the diameters of the two ends of the screen drum are different, and the opening end with the smaller diameter of the screen drum is arranged at a discharging port of the grinding assembly in a sleeving mode. A plurality of elastic telescopic rods are installed between the two sides in the screen drum and the rotating shaft, one ends of the elastic telescopic rods are in ball joint with the rotating shaft, the other ends of the elastic telescopic rods are in ball joint with the screen drum, and the elastic coefficient of the elastic telescopic rods close to the small-diameter opening end of the screen drum is smaller than that of the elastic telescopic rods close to the large-diameter opening end of the screen drum. When the flow of materials entering the screen drum is increased, the screen drum drives the elastic telescopic rod close to the opening end with the smaller diameter of the screen drum to deform more greatly under the action of the gravity of the materials, so that the inclination angle of the screen drum is adjusted. Fine powder in the sand is prevented from being discharged from the screen drum without being fully screened when the flow is suddenly increased, and the stability of the screening effect is kept.

The utility model discloses a multi-ball-joint joint, a supporting arm and a fixing device. The multi-ball-joint joint comprises a joint frame capable of adjusting clamping force, a first ball and a second ball, the first ball and the second ball are rotationally arranged in the joint frame, and the first ball and the second ball are fixedly connected with a connecting shaft and a connecting sleeve respectively. The single multi-ball-joint joint provided by the utility model has adjustable static supporting force and six degrees of freedom including axial rotation and radial deflection, and can meet the requirements of multi-angle and multi-direction adjustment. Meanwhile, the double-ball-joint structure is adopted, various deflection schemes can be allowed to be achieved at the same deflection angle, and the diversity of angle-adjustable implementation schemes is further improved.

The utility model relates to a moving device, belongs to the technical field of material transportation, in particular to a moving device for conveniently transporting materials, which comprises a connecting foot column, a steel bottom plate and a steel side plate, connecting hole channels are formed in the front face and the side face of the connecting foot column in a penetrating mode, and the bottom end of the connecting foot column is rotatably connected with a supporting rod through a spherical joint. The steel side plate is L-shaped, the upper surface of the steel bottom plate is fixedly connected with the steel side plate, and the lower surface of the steel bottom plate is fixedly connected with the upper surface of the connecting foot column; the steel wheel is rotationally connected with the inner wall of the bottom end of the supporting rod; the lengthening part comprises a lengthening side plate which is in sliding connection with the outer side of the steel side plate; the utility model has the advantages of low cost, simple structure, quickness and convenience in mounting and dismounting, capability of realizing short-distance transportation of various materials, large transportation volume and extremely strong practicability; the problems that an existing large formwork conveying device is not economical enough and high in cost, and the actual conveying effect is easily affected by the construction environment are solved.

An improved handheld showerhead assembly is provided which includes a handheld showerhead. In addition, the showerhead assembly includes a mounting structure for affixing the handheld showerhead to a wall of a shower stall. The mounting structure includes a magnet which is affixed to the backside of the showerhead. The mounting structure also includes a wall strip made of a ferromagnetic material intended to be affixed to a shower stall wall. The wall strip is preferably elongated and intended to be mounted by a fastener upon a shower stall wall with the wall strip's long axis extending vertically so that the handheld showerhead can be affixed at various heights upon the shower stall wall. Also preferably, the magnet is affixed to the showerhead by a ball joint so that the showerhead can swivel vertically and side-to-side.

The invention provides a spherical joint accelerated life test design method and device, and the method comprises the steps: determining the accelerated life test acceleration stress according to the actual use condition of a spherical joint; adopting a finite element analysis method to obtain a stress spectrum of the spherical joint of the pipeline system under the load corresponding to the preset flight profile; integrating and converting the stress spectrum into an equivalent stress spectrum by adopting a rain flow counting method and a Goodman formula; according to the equivalent stress spectrum, the S-N curve, the Miner damage accumulation theory and the preset total number of flight times, the number of cycles corresponding to the accelerated stress of the accelerated life test is obtained; and determining a test scheme according to the accelerated stress and cycle index of the accelerated life test. The test frequency is reduced by amplifying the stress of the spherical joint under the use condition of an aircraft.

A light fixture comprising, a housing having a base, a support arm, an opening opposite the base with a lens disposed in the opening, and a light source disposed within the housing; and an anchor portion having a fastening end and a cylindrical projection with a tooth on a surface of the cylindrical projection, and a central axis extending through the anchor portion into the support arm; and a spherical joint comprising an inner channel extending less than 360 degrees around the inner surface of the spherical joint; and a sealing grommet. The light fixture is configured to enable relative longitudinal motion between the spherical joint and the support arm and configured to prevent rotational motion therebetween.

The application relates to a laser positioning lamp which comprises a mounting sleeve, a spherical joint, a positioning lamp, a supporting sleeve, a locking cover and an adapter plate, the spherical joint is movably connected with the mounting sleeve, the spherical joint is provided with an adjusting pipe which extends outward through the mounting sleeve, the adjusting pipe is sleeved with the positioning lamp, the mounting sleeve is screw-connected with the locking cover which is used for adjusting the tightness of the spherical joint, the supporting sleeve is arranged between the locking cover and the spherical joint, the mounting sleeve is detachably connected with the adapter plate, and the adapter plate is arranged between the mounting sleeve and the locking cover; the purpose of the application is to realize the universal adjustment of the spherical joint relative to the mounting sleeve by moving the adjusting pipe, so as to change the irradiation direction of the positioning lamp, to increase the friction between the spherical joint and the mounting sleeve by rotating the locking cover in the mode of 'outer pressure and inner support', so as to lock the positioning lamp, improve the stability of the structure, facilitate the sewing machine operator to flexibly adjust the irradiation direction of the positioning lamp, and thus improve the work efficiency.

The invention relates to a ball joint comprising a housing (3) having a pin opening (2); a ball pin (5) which extends in an axial direction (x) and is provided with a joint ball (4) at one axial end and the joint ball (4) of which is mounted in the housing (3) so as to be rotatable about an axial ball pin axis (8) extending through the center (7) of the joint ball (4), the ball pin (5) extending out of the housing through the pin opening (2); a magnetic-field-sensitive sensor (9) which is provided on the housing (3) opposite the pin opening (2) in the direction of a housing axis (10) running through the pin opening (2) and through the center of the joint ball (7), the housing axis (10) being tiltable with respect to the ball pin axis (8); and at least one permanent magnet (12) which is provided on a pole (11) of the joint ball (4) and is magnetized transversely with respect to the ball pin axis (8) and the magnetic field (13) of which flows through the magnetic-field-sensitive sensor (9), the magnetic-field-sensitive sensor being used to detect a rotation of the permanent magnet (12), and thus of the ball pin (5) about the ball pin axis (8), and provide a rotation angle signal (Sd) characterizing said rotation, the course of at least one field line (17) of the magnetic field (13) being adapted to the course of at least one trajectory (15) of the magnetic-field-sensitive sensor (9) or of a sensor point (16) representing said trajectory.

A bottom loading fastening system that consists of the polyaxial ball and socket joint used in conjunction with an anchoring bone screw. The system allows attachment of a connector assembly having an offset angular shape for anchoring a connecting rod. The spherical ball connector using a locking ring positioned in a locking ring slot. Upon installation, the locking ring is moved to a ring containment slot to expand a retainer ring, allowing passage of a bone screw spherical ball, the retainer ring forcing the locking ring back to the locking ring slot, thereby permanently attaching the connector assembly to the anchoring bone screw. The offset between the upper and lower sections allows the rod to be received at an angle optimized for spinal alignment, thereby reducing the need for rod contouring and minimizing stress concentration on the spherical joint.

The utility model discloses a total station with a stable support device, which comprises support legs and telescopic legs, a base is arranged above the support legs, the base is rotatably connected with the support legs, the periphery of the telescopic legs is provided with the support legs, the inner sides of the support legs are rotatably connected with sleeves, the inner parts of the sleeves are slidably connected with inner rods, and the inner rods are connected with the telescopic legs. And one end of the inner rod is rotationally connected with a lifting block. Compared with an existing total station, the total station with the stable supporting device has the advantages that the rotating lead screw drives the lifting block to ascend and descend, the lifting block pushes the inner rod and the sleeve when ascending and descending, and the inner rod and the sleeve push the supporting leg to rotate around the base, so that the supporting leg is synchronously rotated, and the length of the telescopic leg in the supporting leg is conveniently and quickly leveled and adjusted; when the telescopic legs abut against the ground and are on the solid ground, the supporting feet automatically adapt to the ground through rotation of the spherical joints, the contact area between the supporting feet and the ground is increased, and when the ground is wet, smooth and soft, the connecting blocks are taken down, the baffles are rotationally opened, and the pointed cones are inserted into the ground.

The invention provides a titanium alloy pipeline assembly of a liquid attitude control system and a manufacturing method of the titanium alloy pipeline assembly. The pipeline assembly comprises a titanium alloy pipe, wherein the titanium alloy pipe comprises a titanium alloy main pipe and a titanium alloy branch pipe communicating with the titanium alloy main pipe through a through part; the outer sleeve nut is arranged at the end parts of the titanium alloy main pipe and the titanium alloy branch pipe in a sleeving manner; and the spherical joint is arranged at the end parts of the titanium alloy main pipe and the titanium alloy branch pipe in a sleeving manner, and the spherical joint is fixed by the jacket nut. The titanium alloy pipe is subjected to the steps of bending, cleaning, lofting, cleaning, ball passing testing, pressure testing and the like, the titanium alloy pipe is manufactured into the pipeline assembly conforming to the liquid attitude control system, the pipeline assembly is clean and free of foreign matter, and the market requirement is met.

The application discloses a device for reinforcing a welded hollow spherical joint. The existing welded hollow spherical joint has problems of too many components, complex installation and insufficient spherical reinforcement. The application comprises a welded hollow sphere, steel pipes arranged on the top and bottom of the welded hollow sphere, and the connecting line of the steel pipes is arranged on the axis of the hollow sphere; a left and right sleeve-t rib combined reinforcing piece is arranged on the surface of the hollow sphere, and the left and right sleeve-t rib combined reinforcing pieces are symmetrically arranged with the connecting line of the two steel pipes as the center; and the left sleeve-t rib combined reinforcing piece and the right sleeve-t rib combined reinforcing piece are fixedly connected through friction type high-strength bolts. The application can be processed and manufactured in a factory, and is welded with a sleeve piece to form a combined prefabricated component, and then two combined reinforcing pieces are installed on the welded hollow spherical joint through full bolt connection, so that the installation is quick and the reinforcing construction efficiency can be greatly improved.

The application belongs to the technical field of sensor measurement, and discloses a spherical joint multi-degree-of-freedom attitude measurement system and method. The system comprises a magnetic field measurement module, an optical field measurement module and a calculation module, wherein: the magnetic field measurement module measures the change of the magnetic field when the moving end of the spherical joint moves relative to the fixed end; the optical field measurement module measures the change of the optical signal when the moving end of the spherical joint moves relative to the fixed end; and the calculation module is used for calculating the angle and the angular velocity of the moving end of the spherical joint relative to the fixed end at the current moment according to the change of the magnetic field measured by the magnetic field measurement module and the change of the optical signal measured by the optical field measurement module respectively, and then fusing the angle and the angular velocity at the current moment to obtain the angle of rotation of the moving end of the spherical joint relative to the fixed end at the next moment. Through the application, the advantages are complementary, and the precision and the robustness of the measurement system are improved.

The utility model discloses a vertical gravity vehicle-mounted mobile phone support, which belongs to the technical field of vehicle-mounted accessories and comprises a mounting frame, a contact block is fixedly connected to one side of the mounting frame, an adjusting mechanism is arranged on the other side of the mounting frame, a spherical joint is mounted at the position, close to the bottom, of the other side of the mounting frame, and the contact block is fixedly connected with the spherical joint. An elastic clamping ring is installed on the outer wall of the spherical joint, a mounting base is fixedly connected to the other side of the elastic clamping ring, a rotating block is rotationally connected to the outer wall of the elastic clamping ring, a shell is installed on the other side of the mounting base, and a clamping mechanism is arranged in the mounting base. By designing the clamping mechanism, the clamping arms are driven by the gravity of the mobile phone to rotate, automatic clamping can be achieved without manual adjustment, the requirement for one-hand operation in a driving scene is met, use convenience and safety are improved, mirror symmetry layout is matched, the clamping arms on the two sides apply force synchronously, and it is guaranteed that the mobile phone is fixed in the middle and prevented from sliding off.

The application discloses a liquid rocket engine spherical joint double-swing gimbal, and relates to the technical field of rocket engine technology. The gimbal comprises a contact ring, two connecting seats and a connecting assembly. The two connecting seats are arranged on the two sides of the contact ring and have two oppositely arranged protruding portions on the side facing the contact ring. The protruding portions are in contact with the contact ring and are in spherical surface cooperation with the contact ring. The connecting seat has the freedom of rotating in the direction opposite to the corresponding protruding portion. The connecting assembly connects the protruding portion and the contact ring to prevent the connecting seat from being separated from the contact ring. The relative directions of the protruding portions on the two connecting seats are a first direction and a second direction respectively. The first direction and the second direction are orthogonal and are perpendicular to the axial direction of the contact ring. In the application, the load is borne by the spherical surface cooperation area, so that the gimbal is not constrained by the bearing gap during the installation and cooperation process, the bearing gap test process is omitted, and the cost is saved and the production cycle is shortened.

A medical device for insertion into a body may include a handle assembly including a handle body and a ball joint; a sensor assembly configured to electronically communicate with a magnet; a body extending longitudinally from the handle assembly; an articulation portion coupled to a distal end of the body, wherein the articulation portion includes a magnetic material; and an end effector coupled to a distal end of the articulation portion. The articulation portion may be configured to move upon application of a magnetic field from the magnet.

The invention discloses a three-degree-of-freedom spherical joint motor module and a control system architecture thereof, and belongs to the technical field of motors, and the three-degree-of-freedom spherical joint motor module comprises a small gear support assembly, a first small gear driving assembly, a second small gear driving assembly, a third small gear driving assembly, a fourth small gear driving assembly, a large gear support assembly, a base driving assembly and a control circuit. The first small gear driving assembly, the second small gear driving assembly, the third small gear driving assembly and the fourth small gear driving assembly are meshed on the small gear support assembly through flange shafts of the first small gear driving assembly, the second small gear driving assembly, the third small gear driving assembly and the fourth small gear driving assembly. The first small gear driving assembly, the second small gear driving assembly, the third small gear driving assembly and the fourth small gear driving assembly are connected with a large gear and a flange base of the base driving assembly through respective spokes. Through the orthogonal gear layout and the symmetrical driving structure, the dynamic balance performance is optimized, the motion inertia and the vibration noise are reduced, and the space utilization rate is remarkably improved through the motor layout of modular packaging and compact integration.

The present invention relates to a holding controller, and more particularly, to a holding controller capable of adjusting a fixing force for holding an object to be fixed, such as a medical device, thereby making it easy to change a position and an angle of the object to be fixed in various situations, the holding controller including a holding body having a spherical portion of a spherical joint provided in a front end portion thereof, connected with the object to be fixed, and capable of controlling a movement of the spherical portion, wherein the holding body includes therein: a fixing press member capable of contacting the spherical portion; an elastic member transmitting a force to the fixing press member forward via an elastic force; and a fixing control device making the elastic member retract backward or making the elastic member stretch forward.

The application discloses a ball joint, comprising: a main body part comprising a ball part and a joint part, the ball part and the joint part having an inner surface and an outer surface opposite to the inner surface, the outer surface of the ball part comprising a spherical surface, the main body part further comprising a first tangent surface and a second tangent surface, the first tangent surface and the second tangent surface intersecting with the inner surface and the outer surface respectively to define a gap, the size of the gap on any radial circumference of the spherical surface being less than half of the length of the radial circumference; and a blocking part detachably connected with the main body part and configured to match the gap, so that the blocking part blocks the gap to form a hollow ball joint structure. The application also discloses a ball joint assembly and an ultrasonic imaging device comprising the same.

The utility model relates to the technical field of tablet personal computer auxiliary tools, in particular to a tablet personal computer supporting frame convenient to adjust. The tablet computer supporting frame convenient to adjust comprises a connecting rod, the upper side and the lower side of the connecting rod are each provided with a set of ball heads, inserting holes are evenly formed in the outer side walls of the ball heads, the outer side walls of the ball heads are rotationally connected with ball head bases in a sleeved mode, and through holes are formed in the rear sides of the ball head bases in a penetrating mode; according to the tablet personal computer supporting frame, the two sets of ball heads on the outer side of the connecting rod are matched with the two sets of ball head bases to form a double-section spherical joint, so that a user can conduct multi-angle inclined adjustment on the tablet personal computer supporting frame, and the convenience of using a tablet personal computer by the user is improved; the spherical joint composed of the ball cup and the ball can be subjected to angle locking through the locking assembly, and the spring in the locking assembly is detachable, so that the spring can be detached and replaced when the elastic force of the spring is reduced, and the use reliability of the locking assembly is guaranteed.

The present application discloses a joint bearing, a transmission mechanism, and a mechanical device. The joint bearing may include a spherical joint and a bearing sleeve. The outer surface of the spherical joint may be provided with a first limiting structure, and the inner surface of the bearing sleeve may be provided with a second limiting structure. The first limiting structure is fitted to the second limiting structure to jointly restrict rotation of the spherical joint around its own axis. The joint bearing disclosed in the present application has a wider application range due to its restricted degrees of freedom in motion, and miniaturization of the mechanical device to which the joint bearing is applied can also be achieved.

This utility model discloses a top-spray connection structure that is compatible with angle adjustment and dual water channels, making the product more functional. The top-spray connection structure includes a shower column and a top-spray assembly; the shower column includes an outer tube and an inner tube disposed within the outer tube; the top-spray assembly includes a housing, a water seal base, a water outlet panel, a water outlet device, a ball joint, and a hose; the water seal base fits inside the housing, with its inlet pipe extending upward through the housing; the water outlet panel is sealed to the water seal base and is provided with several water outlet holes; the water outlet device is installed on the water outlet panel; the ball joint is dynamically and rotatably fitted to the port of the water inlet pipe and is sealed to the water outlet end of the outer tube; the hose passes through the ball joint, with its two ends connected to the inner tube and the water outlet device, respectively.

The utility model relates to a clean bench for tissue culture test, which relates to the technical field of plant test, and comprises a bench body, an adjusting arm is fixedly arranged on the bench body, a spherical joint is arranged at the end part of the adjusting arm, a mounting rack is arranged on the spherical joint, a conveying component is arranged in the mounting rack, and a plurality of amplifying components distributed at equal intervals are arranged on the conveying component. The conveying assembly is used for switching the corresponding amplification assembly to the position above the test samples, so that a single test sample is observed through the amplification assemblies with different multiplying power or multiple groups of test samples are compared and observed at the same time. The conveying assembly of the workbench can rapidly switch the amplification assemblies with different multiplying powers, a tester does not need to frequently replace a magnifying lens body, for a test needing to observe multiple sets of samples at the same time, different amplification assemblies can be rapidly moved to the position above the corresponding samples, synchronous comparison and observation of the multiple sets of samples are achieved, and the test efficiency is greatly improved.

The utility model provides an LED recessed lamp spherical joint steering structure, which belongs to the technical field of LED recessed lamps and comprises a base, two mounting plates are symmetrically and fixedly connected to the upper end face of the base, clamping blocks are arranged between the front ends and the rear ends of the two mounting plates, the clamping blocks are detachably connected with the base through screws, and the clamping blocks are fixedly connected with the base through screws. And a downloading cover is fixedly connected between the clamping blocks, a spherical seat is rotationally arranged in the downloading cover, the spherical seat is sleeved with an uploading cover, and the uploading cover is fixedly connected with the downloading cover through screws. Through the arrangement of the base, the mounting plate, the clamping block, the lower loading cover, the spherical seat, the upper loading cover and the magnetic block, the irradiation angle of the LED recessed lamp can be flexibly adjusted, meanwhile, it is guaranteed that the spherical seat can flexibly rotate to achieve the steering function, meanwhile, the structure can be kept relatively stable, and the service life of the LED recessed lamp is prolonged. The problems that in the prior art, an LED recessed lamp angle adjusting structure is complex, and stability is poor after angle adjustment are solved.

FIRE EXTINGUISHER BRACKET WITH HOLES AND BALL