45results about How to "Large rotation angle" patented technology

The application discloses an air conditioner and relates to the technical field of air conditioners. The air conditioner comprises a shell and a first guide plate. The shell is provided with an air outlet, and a volute air duct with an outlet is arranged in the shell. The rotation center of the guide plate is located between the air outlet and the outlet. A limiting structure is arranged in the shell, and the limiting structure is used for abutting against the end of the guide plate to limit the initial point and the termination point of the rotation of the guide plate. The end of the guide plate comprises a first end and a last end which are oppositely arranged. In the process that the guide plate rotates from the initial point to the termination point, the last end moves along the movement track of the first end. The air conditioner provided by the application can increase the rotation angle of the guide plate as much as possible in limited space, avoids the interference, and guarantees the reliability of the rotation of the guide plate.

The application provides a finger exoskeleton device and a motion decoupling method thereof, a middle phalanx transmission mechanism arranged at a proximal phalanx part and connected with a driving mechanism; a distal phalanx transmission mechanism arranged at a distal phalanx part and connected with the middle phalanx transmission mechanism; and the driving mechanism is used to provide power. The application has the beneficial effect that the finger exoskeleton device and the motion decoupling method thereof can increase the rotation angle of the distal phalanx by decoupling the motion of the distal phalanx and the middle phalanx under the stress action of the middle phalanx only when the grip is insufficient, so that the grip is sufficient.

The utility model discloses a medical glass breaking and remelting device, which relates to the field of glass breaking and remelting, and comprises a device main body, a breaking device is arranged in the device main body, and a melting device is arranged in the device main body far away from the breaking device; according to the medical glass crushing and remelting device, when a collecting box rotates, a sliding block can rotate through a first rotating shaft, and after the collecting box rotates to a specified inclination angle, glass in the collecting box can slide into the device main body to be crushed and smelted, so that the device can automatically feed the glass, the crushing efficiency is improved, and the physical labor is reduced; the screening plate can rotate in a small range through the device main body when being extruded, qualified materials can fall into the smelting device through holes of the screening plate to be smelted during rotation, and unqualified materials can fall into the stacking and falling groove, so that screening of broken glass is realized in a reciprocating manner; and when the crushing rod rotates in the rotating groove, unqualified glass can be subjected to secondary crushing, so that the processing efficiency of the device is improved.

The present invention discloses a single-axis motor, comprising a mounting seat, a carrier and at least one driving component; the mounting seat comprises a first mounting plate connected to a first side wall spaced apart from the first side wall and a second side wall therebetween; the carrier comprises a second mounting plate and a first rotating shaft protruding from two ends thereof, the first rotating shaft being pivotally connected to the first side wall and the second rotating shaft being respectively pivotally connected to the first side wall and the second side wall; each driving component comprises a driving arm and a memory alloy wire, one end of the driving arm being mounted on the first mounting plate, the other end of the driving arm being connected to one end of the memory alloy wire, when the memory alloy wire shrinks due to heat, the driving arm can produce elastic deformation and then act on the second mounting plate, thereby driving the carrier to rotate around the first and second rotating shafts, the rotating shaft can reduce the jumping or shaking during the rotation process, so that the carrier can rotate stably, which is beneficial to improving the adjustment accuracy, and the carrier has a larger rotation angle, so that the single-axis motor can be used to realize a scanning function or an anti-shake compensation function, and has a wider range of applications.

The utility model discloses an escalator comb structure, the utility model discloses an escalator comb structure includes the pedal of fixed installation on the entrance and exit of escalator, one side of pedal is rotatably installed with the rotating plate, the rotating plate is rotatably installed with the comb tooth plate to the other side of connecting pedal, the comb tooth plate includes the second board body, one side department of second board body is rotatably installed with rotating plate, and the other side department of second board body is equipped with a plurality of groups interval arrangement's comb tooth. Through placing the rotating plate between the pedal and the comb tooth plate, and adopting two -stage rotatory installation design, the utility model realizes the greater rotation angle and more nimble displacement of comb tooth plate, effectively avoids the harm to the passenger, improves the containing capacity to the foreign matter, and simplifies the installation and the dismounting process, improves the security and the maintenance convenience of escalator.

This invention provides a detection device, including a detection body and a mounting assembly. The mounting assembly includes a mounting ring surrounding the detection body, connecting portions extending upward from both sides of the mounting ring, and spring claws disposed at the ends of the connecting portions. The detection body is rotatably connected to the connecting portions on both sides, and a first clearance portion is provided on the upper part of the detection body to avoid the spring claws. The detection device provided by this invention is beneficial for improving detection performance.

A pan-tilt mechanism includes: a bracket configured to be fixed to a fuselage of an unmanned aerial vehicle; a first frame attached to the bracket and configured to be rotatable in a first direction, the first direction being a yaw direction or a pitch direction; a second frame attached to the first frame and configured to be rotatable in a second direction, which is the other one of the yaw direction or the pitch direction, and configured to fix a motor for rotating the propeller; and a crank member configured to be connected to a servo motor provided at the body, crank-rotating the linkage to rotate the second frame. The second frame is connected to the linkage via a crank member by a link ball configured to be located on a central axis of the fuselage in the first direction.

The invention relates to a rotary contact pressure testing device which is used for a contact assembly, the contact assembly comprises a rotating shaft with a cavity, a driven shaft, a moving contact and a spring set, the rotary contact pressure testing device comprises a base, a simulation static contact, a limiting mechanism and a dynamometer, the rotating shaft is rotated to a first state, the driven shaft moves in a through hole and is clamped with a limiting groove, and the spring set is clamped in the limiting groove; at the moment, the spring set forms pulling force on the moving contact, the second end of the moving contact is connected with the simulation static contact in a pressing mode, the dynamometer is pulled till the second end of the moving contact is just separated from the simulation static contact, and the contact pressure is measured. At the moment, the tension is the counter-acting force of the spring set on the pressure of the moving contact, the value displayed by the dynamometer is the contact pressure, the closed state of the moving contact and the static contact in the working process of the circuit breaker is simulated, the circuit breaker does not need to be assembled, and the working efficiency is improved.

The utility model discloses a surface grinding device for part production, which comprises a placing base, a movable clamping plate, a first movable arc disc, a second movable arc disc, a third movable arc disc, a grinding adjusting assembly and a grinding auxiliary assembly, a first movable arc disc is movably arranged at one end of the movable clamping plate, a second movable arc disc is movably arranged at one end of the first movable arc disc, and a third movable arc disc is movably arranged at one end of the second movable arc disc; through mutual clamping rotation of the first movable arc disc, the second movable arc disc and the third movable arc disc, the clamp can be matched with parts in any shape; the lifting base controls the movable clamping plate to lift up and down, adjustment can be conducted according to the specific height of the part, and better adaptability is achieved; the electric sliding groove controls the movable clamping plate to move left and right, and the clamping function is achieved. And the clamping head can rotate at a larger angle, so that a very small prism surface can be clamped and fixed.

The invention provides a circuit breaker. The circuit breaker at least comprises an insulating shell and an internal element, the internal elements at least comprise an operating handle, a connecting rod, a moving contact support, a moving contact, a static contact, an arc extinguish chamber, a tripping device and a fault protection device, the moving contact support is at least provided with the moving contact and the tripping device, and the moving contact support is arranged in the middle of the insulating shell in a manner of rotating or longitudinally moving along a Y axis; at least one linkage connecting rod is arranged between the operating handle and the tripping device on the moving contact support, and the linkage connecting rod is arranged in a longitudinal movement mode. According to the circuit breaker, the operating handle is located at the top of the circuit breaker, the opening and closing distance of the moving contact is large, and the tripping device is arranged on the moving contact support, so that the opening and closing speed is high, and the breaking capacity and the safety of the circuit breaker are improved.

The utility model relates to a numerical control machine tool system panel frame and a numerical control machine tool. The numerical control machine tool system panel frame comprises a support installed on one side of a numerical control machine tool, a system installation plate movably covering the system installation plate and used for carrying a machine tool operation panel, and a rotating assembly. The rotating assembly comprises a rotating frame, a first rotating shaft, a first sleeve arranged on the outer side of the first rotating shaft in a sleeving mode, a second rotating shaft and a second sleeve arranged on the outer side of the second rotating shaft in a sleeving mode. One of the first rotating shaft and the first sleeve is arranged on the bracket, and the other one is connected with the rotating frame; and one of the second rotating shaft and the second sleeve is positioned on the other side of the rotating frame, and the other is connected with the system mounting plate. According to the numerical control machine tool system panel frame, the first rotating shaft and the second rotating shaft are arranged, a system panel mechanism can rotate in two directions relative to a machine tool body, the rotating angle of an operation panel is expanded, and therefore the using requirement of operators is met.

The utility model discloses a flip cover driving device, which relates to the technical field of opening and closing piece driving devices and comprises a shell, a rotating position sensor, a motor, a clutch, a planetary speed reducing mechanism and at least two stages of gear speed reducing mechanisms, and the motor, the clutch, the planetary speed reducing mechanism and the at least two stages of gear speed reducing mechanisms are sequentially mounted in the shell and used for transmitting power. The rotational position sensor is disposed between the clutch and the planetary reduction mechanism. The number of signals received by the rotating position sensor is increased by optimizing the arrangement of the rotating position sensor, so that the monitoring precision is improved.

The invention relates to the field of electrical equipment, and particularly discloses a convenient-to-overhaul electric energy metering box which comprises a box body and a box door hinged to the box body, sliding rails are fixedly connected to the two sides of the lower end of the box body, a storage table is slidably connected between the two sliding rails, and the storage table comprises a table plate. A first connecting rod and a second connecting rod are connected to the two sides of the platen, the second connecting rod is arranged on the side, close to the box door, of the first connecting rod, the sliding rail comprises a sliding hole allowing the first connecting rod and the second connecting rod to be inserted, and the sliding hole is divided into a horizontal section and an inclined section; the inclined section is arranged on the side, close to the box door, of the horizontal section, and the inclined section is arranged downwards in an inclined mode in the direction away from the horizontal section. According to the application, through the arrangement of the pull-out storage table, a record book can be placed by a worker, so that the situation of the electric energy metering box can be conveniently observed and recorded in time.

The present invention discloses a five-axis manipulation mechanism, including a base plate, an X-axis mechanism, a Y-axis mechanism, a Z-axis mechanism, a fourth-axis mechanism and a fifth-axis mechanism, wherein the X-axis mechanism is mounted on the Y-axis mechanism, the Y-axis mechanism is mounted on the Z-axis mechanism, the fourth-axis mechanism includes two side plates arranged opposite to each other, a rotating assembly mounted on one of the side plates, a first connecting plate connected to the rotating assembly and a second connecting plate rotatably connected to the other side plate, the Z-axis mechanism and the two side plates are mounted on the base plate, the fifth-axis mechanism includes an arc frame and a sliding mechanism moving along the arc frame, and the two ends of the arc frame are respectively connected to the first connecting plate and the second connecting plate. The present invention adopts a large number of sheet metal parts made of galvanized sheet metal or stainless steel sheet metal, which greatly reduces the weight of the manipulation mechanism, improves the operational flexibility and acceleration, and is environmentally friendly; reduces the cost; the fourth-axis mechanism rotates to drive the fifth-axis mechanism to swing, and combined with the large arc sliding mechanism, the rotation angle is large.

The utility model discloses a processing tool for drinking water purification equipment. The processing tool comprises a rotating base, a supporting arm is arranged on the rotating base, a first rotating arm is arranged on the supporting arm, a second rotating arm is arranged on the first rotating arm, and a clamping assembly is arranged on the second rotating arm. The clamping assembly comprises an auxiliary arm, a clamping motor is arranged on the auxiliary arm, a mounting plate is arranged at the bottom of the clamping motor, two vertically-downward lifting air cylinders are arranged in the mounting plate, the output ends of the lifting air cylinders are provided with abutting section bars, two symmetrical moving air cylinders are arranged on the two sides of the mounting plate, and a mounting base is arranged at the bottom of the mounting plate. A rotating shaft is arranged between the mounting seats and provided with clamping jaws, a connecting plate is arranged in the center of the rotating shaft, and the output end of the mounting plate is connected with the connecting plate. The clamping device is simple in structure, large in rotating angle, wide in control range, capable of clamping simultaneously and ensuring that a workpiece cannot fall off when moving by means of simultaneous stress in multiple directions, and good in using effect.

The invention relates to the technical field of laparoscopes, and discloses an obstetrics and gynecology laparoscope with a bendable probe, the obstetrics and gynecology laparoscope comprises a laparoscope cannula, the top end of the laparoscope cannula is fixedly connected with a bending rotating mechanism, the top end of the bending rotating mechanism is fixedly connected with a telescopic mechanism, and the top end of the telescopic mechanism is fixedly connected with a movable probe; according to the device, the output shaft, the output bevel gear and the connecting bevel gear are arranged, the servo motor drives the output shaft to rotate through the first gearbox, the output shaft drives the connecting bevel gear to rotate through the output bevel gear, then the bending connecting plate drives the telescopic mechanism to rotate integrally, and at the moment, the telescopic mechanism is bent relative to a laparoscope cannula; and the telescopic mechanism can rotate by 90 degrees bidirectionally, so that the rotating angle is large, and the movable probe can be used for more comprehensive observation.

The utility model provides a kind of double water outlet arm faucet, including faucet main body, first water outlet subassembly and second water outlet subassembly.The faucet main body is equipped with first passageway and butt joint.The first water outlet subassembly includes link seat and first water outlet arm.The link seat is installed at butt joint, and is equipped with cylindrical pivot section, the link seat is equipped with water passageway and second passageway, and the water outlet of water passageway is equipped in the outer periphery of pivot section.The water inlet end of the first water outlet arm is equipped with circular mounting hole, and is rotatably set in the pivot section of link seat, and forms water gap between pivot section, and the water inlet of the first water outlet arm is arranged in the inner ring of mounting hole, and is communicated with water outlet by water gap.The second water outlet subassembly includes second water outlet arm installed in the end of link seat pivot section.The double water outlet arm faucet provided by the utility model, first water outlet arm uses rotatable mounting structure set in the outside of link seat, has greater rotation angle, and is more flexible to use.

The utility model relates to the technical field of low-voltage circuit breakers, in particular to a transmission structure of a change-over switch and the change-over switch. The transmission structure comprises a second side plate; the overturning lever is rotatably arranged on the second side plate; the elastic energy storage assembly is used for being in transmission connection with the overturning lever and a driving mechanism of the change-over switch; the first gear can be synchronously and rotatably connected to the overturning lever; the second gear is rotatably arranged on the second side plate and meshed with the first gear, the reference circle of the first gear is larger than that of the second gear, and the second gear is in transmission connection with a moving contact of the change-over switch; wherein the elastic energy storage assembly is configured to store and release elastic potential energy, and the turnover lever is configured to rotate when the elastic energy storage assembly releases the elastic potential energy so as to drive the moving contact to rotate through the first gear and the second gear to switch the switch state. The torque, the speed and the rotation angle output by the driving mechanism can be amplified, so that the change-over switch is safer, the service life is longer, and the structure is more compact.

A contact system includes a contact support and a moving contact. The moving contact has moving contacts at both ends that mate with stationary contacts. The contact support has two raised mounting protrusions on the side away from the stationary contacts, and a clearance notch between the two mounting protrusions. Each of the two mounting protrusions of the contact support has at least one contact spring, and the contact springs on the two mounting protrusions are respectively connected to the two ends of the moving contact where the moving contacts are located. A changeover switch includes a housing and a contact system. The housing contains a load terminal, a power supply I terminal, and a power supply II terminal. The load terminal is electrically connected to the moving contact. Two stationary contacts are respectively located on the power supply I terminal and the power supply II terminal. In this invention, the contact support has a notch design on the side near the load terminal, and two mounting protrusions are spaced apart for mounting contact springs, saving space and increasing the rotation angle of the contact support.

The present invention discloses a sea snake type wave energy power generation device, comprising at least three floating plates arranged in sequence along a first direction, wherein the relative rear ends of at least two floating plates located at the relative front ends along the first direction are concavely provided with grooves, a central axis is arranged in the groove, the relative front ends of the floating plates adjacent to the floating plates with grooves are convexly provided with convex parts, and the convex parts are rotatably connected to the central axis; the central axis is connected to a power generation assembly, and the power generation assembly is driven by the rotation of the central axis to generate electricity; a support assembly for floating in water is provided on the outer side wall of one end of the floating plate with the groove, each support assembly comprises two brackets, and the two brackets are arranged at intervals along the second direction; a vortex-induced vibration mechanism is provided between the two brackets of each support assembly, and the vortex-induced vibration mechanism is located below the central axis. The present invention can generate electricity continuously and stably in deep sea or areas with large waves, and can also generate electricity efficiently and stably in areas with small waves.

The utility model provides a reverse forging and milling device with a cutter cooling function, belongs to the field of oil well drilling, and aims to solve the problems that a cutter of an existing forging and milling device can generate heat during forging and milling, the cutter is easy to deform due to heating, the cutter is easy to damage in the forging and milling process, and the service life of the forging and milling device is influenced. A mandrel with a hollow structure is elastically connected to the interior of the shell, a nozzle communicated with the mandrel is arranged at the top of the mandrel, a cooling hole communicated with an inner cavity of the mandrel is further formed in the side wall of the mandrel in a penetrating mode, and the cooling hole faces a cutter of the forging and milling device; according to the utility model, the mandrel is of the hollow structure, and the cooling holes are formed in the mandrel, so that fluid can act on the cutter, the cutter can be cooled in the forging and milling process, and the service life of the cutter is prolonged.

The utility model relates to cold firework rotating waterfall type spraying equipment which comprises a rack, an assembling mechanism, a spraying mechanism, a feeding mechanism and a driving mechanism, the rack comprises a mounting plate, a first shell and a second shell are arranged at the bottom of the mounting plate at intervals, and a containing space is formed between the first shell and the second shell; the injection mechanism is arranged in the containing space and comprises an air source and an injection pipe which are communicated with each other, an injection opening of the injection pipe is arranged downwards, and the injection pipe is rotationally arranged on the rack; the feeding mechanism is arranged in the first shell and communicates with the injection pipe along the rotating axis of the injection pipe, and the injection pipe is rotationally arranged relative to the feeding mechanism; the driving mechanism is arranged in the second shell, and the rotating end of the driving mechanism is connected with the injection pipe; the cold firework rotating waterfall type eruption equipment can be hung at a high position, the spraying pipe can rotate in the eruption process, the pipe opening faces downwards, the cold firework effect like a waterfall is provided, the supply stability of cold firework raw materials can be guaranteed, and therefore it is guaranteed that the fireworks are continuous in the rotating process, and the height and the like of the fireworks are kept stable.

The utility model discloses an elevator maintenance anti -falling device relates to elevator maintenance technical field, including first triangular board and second triangular board, the inner wall hinged of first triangular board has a plurality of branch legs, the inner wall hinged of second triangular board has the same number of connecting rod with branch leg, the inner wall sliding contact of slide sleeve has stand, the top of stand is connected with the top plate, the one end of claw sleeve is contacted with the inner wall of card slot, the utility model discloses design reasonable structure, it can cooperate through the branch leg, stand, top plate and claw between, through the contact of claw and card slot, limit stand moving position, keep the stability of stand, and stand is contacted with the bottom of car through top plate, provides support force at the bottom of car, and the car cannot fall down the building, provides support force for car, improves the security of operating personnel, compared with the construction temporary support, need not too much operation, improves the convenience of car support.

The invention relates to the field of endoscopes, in particular to a bending adjustment driving mechanism of an endoscope, and provides the endoscope and the bending adjustment driving mechanism of the endoscope. The bending adjusting driving mechanism of the endoscope comprises a winding wheel, a driving mechanism and a driving mechanism, the winding wheel is used for being assembled on an installation base body in a rotating mode, a winding wire is connected to the winding wheel, and the winding wheel is used for changing the winding amount of the winding wire during rotation; the movable pulley assembly comprises a movable pulley and a pulley mounting base, the winding wire is wound around the movable pulley, and the end, away from the winding wheel, of the winding wire is fixedly arranged relative to the mounting base body; the pulley mounting seat is provided with a traction connecting part, and the traction connecting part is used for being connected with a traction wire which is used for driving the bending adjusting section to bend in the endoscope. The technical problem that an operator is prone to fatigue when a bending adjusting section of an endoscope needs to be bent for a long time is mainly solved.

The application relates to the technical field of steering mechanisms, and discloses a steering mechanism of an AGV (Automatic Guided Vehicle), which comprises a gearbox assembly, rotatingly connected with a rotating plate assembly on both sides of the gearbox assembly, a supporting assembly rotatingly connected with the inner wall of the side, away from the gearbox assembly, of the rotating plate assembly, a transmission shaft assembly rotatingly connected with the inner wall of the supporting assembly, hydraulic rods rotatingly connected with the top of both sides of the gearbox assembly, a damping assembly rotatingly connected with the inner wall of the rotating plate assembly, and a steering driving assembly rotatingly connected with the inner wall of the transmission shaft assembly. The inner walls of rotating shaft two and rotating rod one are connected through magnetic coupling, torque measuring devices are arranged on both sides of the extrusion plate, the ball head pin can rotate around rotating shaft two, the ball head pin can drive rotating rod one to rotate through rotating shaft two, rotating rod one rotates through the extrusion plate, the extrusion plate realizes pressure pressing on one of the two groups of torque measuring devices, and the torque measuring devices realize pressure monitoring.

The utility model relates to the technical field of household hidden doors, in particular to a household blank door structure without visual influence. According to the technical scheme, the household blank door structure without the visual influence comprises a door frame assembly, a door plate assembly and a hinge assembly; a door plate assembly is arranged in the door frame assembly; a hinge assembly is arranged between the door plate assembly and the door frame assembly. According to the utility model, the contraction hiding and extension functions of the second hinge block are realized through the rotatable extension hiding connecting blocks at the two ends in the hinge assembly, so that the second hinge block has a three-section type rotating range, and the connected door plate can have a larger rotating angle, so that the function of embedding a thicker door plate into a door plate groove to be combined is realized; the problem that a door plate is blocked by a door frame to be closed when the door plate and the door frame are combined and rotated to be closed due to a narrow door crack of an existing household blank door structure is solved.

The mechanical winding device of the silk stocking machine comprises a machine table, a guide ring and a longitudinal rotating mechanism are arranged below the machine table, the longitudinal rotating mechanism comprises a rotating disc driven by a motor, a longitudinal rod and a pair of rollers, and a roller is further arranged on the lower portion of the longitudinal rotating mechanism; the device further comprises a belt wheel transmission mechanism and a ratchet wheel and ratchet mechanism. Only one motor is used, roller traction replaces airflow traction, meanwhile, the fabric can be automatically wound, the roller and the winding mechanism are always kept in the same phase with the fabric, and continuous knitting of the extremely long fabric can be achieved.

The invention discloses an automobile rear vehicle-mounted bicycle frame which comprises a supporting plate and at least one bicycle fixing module transversely installed on the upper side of the supporting plate, an overturning assembly is arranged at the lower end of the supporting plate, an insertion fixing assembly is connected to the lower side of the overturning assembly, and the bicycle fixing module comprises a supporting plate. A pair of wheel fixing assemblies are symmetrically arranged on the upper side of the supporting plate, each wheel fixing assembly comprises a wheel locking rod and a wheel bracket installed on the inner side of the wheel locking rod, one end of each wheel locking rod is rotationally connected with the end of the supporting plate through a rotating shaft, and side seats are arranged on the two sides of the supporting plate; one side of the wheel locking rod is rotationally connected with the first end of the supporting rocker arm, a rack and a sliding block locking assembly are arranged in the side base on the side corresponding to the supporting rocker arm, and a pushing force air spring is transversely installed in the middle of the side base. The problems that in the prior art, a hydraulic push rod is prone to being collided and damaged, the stroke is small, and a locking structure is complex and inconvenient to install can be solved.