39results about How to "Good action reliability" patented technology

The invention discloses an elevator speed governor, and belongs to the technical field of elevator safety protection devices. The elevator speed governor comprises a box body which is provided with a signal collector, a speed governor wheel which is provided with a lock catch, a centrifugal mechanism which is arranged on the speed governor wheel, a centrifugal hammer reset mechanism which is arranged on the speed governor wheel and connected with the centrifugal mechanism, and a traction rope with the upper end fixed to an upper end and lower end connecting counter weight of a top layer floor. The elevator speed governor is characterized by further comprising a traction rope pressing wheel, a safety tongs braking rope and a braking rope traction mechanism, the traction rope pressing wheel is located in a cavity of the box body and arranged in the middle of a traction rope pressing wheel shaft, the middle of the traction rope is wound on the speed governor wheel and the traction rope pressing wheel, the upper end of the safety tongs braking rope is tied and fixed to the braking rope traction mechanism, the lower end of the safety tongs braking rope is connected with a pair of safety tongs, the speed governor wheel shaft is sleeved with the braking rope traction mechanism, and the braking rope traction mechanism is matched with the signal collector and the lock catch. The situation that negative rotation happens to the speed governor wheel is avoided; the effect of reliably locking a guide rail through the safety tongs is improved; action is reliable, and safety is ensured; the structure is simple, manufacturing is convenient, and assembling is rapid.

The present invention relates to an electrophoretic display device, driving method and electronic apparatuses thereof. The electrophoretic display device has excellent manufacturability, operational reliability and electricity-saving property, and may prevent generation of fault operation of memory circuit caused by element deviation. The electrophoretic display device includes, on each pixel, a TFT (41) for setting drive, a latch circuit connecting between the TFT (41) for drive and pixel electrodes (35); the latch circuit (70) comprises: a transfer inverter (70t), which has an input terminal for connecting the TFT (41) for drive and an output terminal for connecting the pixel electrodes (35); a feedback inverter (70f), which has an input terminal connecting with the output terminal of the transfer inverter (70t), and an output terminal connecting with the TFT (41) for drive; and a resistance element (R1) connecting with low-potential source side of the feedback inverter (70f), and having resistance value larger than conductive resistance and less than crossover resistance of a N-MOS transistor (74) of the feedback inverter (70f).

The utility model relates to an automatic starter assembly device with a starter component capping function, and belongs to the technical field of special facilities for automatic production lines ofelectronic and electrical products. The automatic starter assembly device comprises a worktable, a rotary disk and a rotary disk driving mechanism, wherein the rotary disk driving mechanism is in transmission connection with the center of the rotary disk, and a single reed mounting mechanism, a double-pin plug-in mounting mechanism, a PTC mounting mechanism, a single-pin insert mounting mechanismand a capping mechanism correspond to the upper part of the edge part of the rotary disk and surround the circumferential direction of the rotary disk to be fixedly arranged on the worktable in a counterclockwise radial arrangement way. The automatic starter assembly device with the starter component capping function has the characteristics that the capping mechanism comprises a starter componenttranslation cylinder bracket, a starter component translation cylinder, a starter component lifting cylinder, a starter component pressing plate driving cylinder, a starter component clamping cylinder, a starter component pressing plate, a shell cover holder translation cylinder, a shell cover holder rotary cylinder and a shell cover carrying device. The automatic starter assembly device with thestarter component capping function can meet the requirements of automated assembly, and has the advantages of compact structure, small size, and high action reliability.

A PTC automatic mounting device comprises a PTC mounting mechanism assembly, which comprises a PTC installation station first bracket, a PTC installation station second bracket, a horizontal displacement device, an up and down displacement device, a lifting platform, a PTC suction device, an empty PTC feeding tray removing device, a PTC feeding tray moving device and a PTC feeding tray, wherein the PTC installation station first bracket and the PTC installation station second bracket are fixed to a worktable, the horizontal displacement device is supported at the tops of the PTC installation station first bracket and the PTC installation station second bracket, the up and down displacement device is connected to the side, facing the PTC feeding tray, of the horizontal displacement device,the lifting platform is connected with the side, facing the PTC feeding tray, of the up and down displacement device, the PTC suction device and the empty PTC feeding tray removing device are arrangedon the side, facing the PTC feeding tray, of the lifting platform, the PTC feeding tray moving device is arranged on the worktable, and the PTC feeding tray is arranged on the PTC feeding tray movingdevice. The automation requirements are met, less space is occupied, and the movement is reliable.

The invention relates to a short-circuit protection device for a switching device, belonging to the technical field of power distribution. The short-circuit protection device comprises a protection device body which is internally provided with a signal sampling input module. The short-circuit protection device is characterized in that an output end of the signal sampling input module is connectedinto an input end of a release driving module through a micro-processing module; an input end of the signal sampling input module is connected with an output end of a current signal amplifying device; the output end of the current signal amplifying device is respectively connected into input ends of a data conversion device and a comparison unit; output ends of the data conversion device and the comparison unit are connected into an input end of a microprocessor; and an output end of the microprocessor is connected with the input end of the release driving module. Therefore, the short-circuitprotection device has the advantages of compact overall design, concise signal transmission mode among the devices, good action reliability, strong anti-interference ability, high reliability, and being capable of accurately judging and handling signals at the first time.

The invention discloses an automatic coil neatening device and coil neatening method for filtering coil PINs. The automatic coil neatening device comprises a master controller, a coil neatening support assembly, a coil storage mechanism, a PIN wire straightening mechanism, a PIN wire cutting mechanism, a coil neatening support overturning mechanism and a magnetic attraction location and pushing mechanism. In the coil neatening process, firstly, the upper side of a coil neatening main frame is placed upwards, and the coil neatening main frame is positioned; inductance coils are put into the coil neatening main frame through the coil storage mechanism; after coil placement is completed each time, a PIN wire of the corresponding inductance coil is straightened outwards; in this way, coil placement and PIN wire straightening are conducted for several cycles till the inductance coils on the coil neatening main frame are placed and straightened completely; then, the procedures that the PIN wires are cut, a coil neatening gland is arranged in a covering manner, a coil neatening support is overturned, the coil neatening gland is removed, and the coil neatening main frame with the inductance coils is pushed to a PCB spot welding station in a manner that magnetic attraction positioning is combined are implemented in sequence so that the subsequent spot welding procedure can be implemented; and consequently, the automatic coil neatening device and the coil neatening method have the beneficial effects of being high in automation degree and efficiency, good in action reliability and thelike.

The invention discloses a neutral point protection device of a transformer. The neutral point protection device of the transformer comprises a metal oxide arrester and a ball electrode protection device, wherein the ball electrode protection device at least comprises a first discharge ball gap, a second discharge ball gap and a trigger electrode; the trigger electrode is used for discharging electricity to generate sparks under the action of high pulse voltage; and the electricity is discharged and the sparks are generated between the trigger electrode and the first discharge ball gap or the second discharge ball gap due to the high pulse voltage acting on the trigger electrode, so that the breakdown voltage between the first discharge ball gap and the second discharge ball gap is reduced and/or the ball gap between the first discharge ball gap and the second discharge ball gap is broken down. According to the neutral point protection device of the transformer, a neutral point protection gap of the transformer can reliably act during power frequency overvoltage, and does not act during lightning overvoltage and operation overvoltage, so that insulation of a neutral point of the transformer is protected; the condition that the arrester does not explode due to overlong current passing time is ensured; and the neutral point protection device of the transformer is reasonable in structure, safe, efficient and reliable.

The invention relates to automobile rearview mirrors and discloses a rear car door internal rearview mirror and a position adjusting method thereof. The rear car door internal rearview mirror comprises a rearview mirror body. A rear car door internal opening handle is arranged on an inner side face of a rear car door and provided with a threaded column which is coaxial with a rotating shaft of the rear car door internal opening handle, the rear car door is provided with a rearview mirror containing cavity, a supporting rod and a connecting rod driving the supporting rod to swing inside and outside the rearview mirror containing cavity are hinged in the rearview mirror containing cavity, a threaded section is arranged at one end of the connecting rod, the other end of the connecting rod is slidably connected with the supporting rod, the threaded section is meshed with the threaded column, and the rearview mirror body is connected on the supporting rod. The rear car door internal rearview mirror can be hidden inside the rear car door, so that the problem of poor safety caused by the fact that existing rearview mirrors are mounted outside a car body is solved.

The invention relates to an airflow guide reversing valve structure for circulating homogenizing device for foam materials and bottle flakes, and belongs to the technical field of a textile raw material mixing device. The airflow guide reversing valve structure comprises an airflow guide reversing valve assembly, and the airflow guide reversing valve assembly comprises a valve seat, a gear case, an upper valve disk, an upper arc-shaped valve, a lower valve disk, a lower arc-shaped valve, upper and lower valve disk driving motors and upper and lower valve disk gears. A valve turning chamber isformed in the center of the valve seat, and a valve seat feeding hole, a first valve seat discharging hole, a second valve seat discharging hole and a third valve seat discharging hole are formed in the valve seat. A valve disk turning chamber is formed in the center of the upper part of the valve seat. A gear case is fixed to the valve seat, and a gear case cover is arranged at the upper part ofa gear case chamber. The upper valve disk is positioned on one downward side of the bottom wall of the gear case chamber, and the lower valve disk is supported on the valve disk turning chamber. The upper and lower valve disk driving motors are fixed onto the gear case cover, the upper valve disk gear is positioned in the gear case chamber, and the lower valve disk gear is fixed onto a center shaft of the lower disk in a sleeved mode. The airflow guide reversing valve structure has the advantages of simple integral structure, convenience in manufacturing and assembly, small volume, light weight and reliable and stable action and is convenient to assemble with a homogenizing silo.

The invention discloses an electrically operated valve. The valve comprises a valve body part, a valve element part, a sealing part and a sealing seat part, the sealing seat part comprises a sealing seat, the sealing seat is fixedly connected with the valve body part, the sealing part is arranged between the inner wall of the sealing seat and the outer wall of the valve element part, the valve element part comprises a valve element, a lining is arranged between the outer wall of the valve element and the inner wall of the sealing seat, the lining is connected with the sealing seat part in a limiting mode, the valve element can axially slide relative to the lining, the inner wall of the lining comprises a lubricating part made of non-metal materials, and the lubricating part can be matched with the valve element. The invention further discloses an electrically operated valve of another structure, and the action reliability of the electrically operated valve can be improved.

The invention discloses a stroke controller with upper and lower limits. The lower parts of the stroke controller with upper and lower limits is provided with a horizontal base; the base is provided with a slide rail; a moving slide block is movably arranged on the slide rail; a screw rod passes through the moving slide block and is movable arranged on the slide rail, and one end of the screw rodis connected with a winch shaft; the moving slide block is provided with a threaded hole matched with the size of peripheral threads of the screw rod, and the threaded hole is cooperatively arranged on the screw rod; proximity switch fixing plates are arranged on the base; the front end of each proximity switch fixing plate is provided with an upper limit signal collector, and the rear end of eachproximity switch fixing plate is provided with a lower limit signal collector; and proximity switch contact plates are fixedly arranged on the upper part of the moving slide block and have height corresponding to the height of the upper limit signal collectors and the lower limit signal collectors.. The stroke controller with upper and lower limits invention can effectively avoid the interferencephenomenon between the controller itself and a steel wire rope, has good motion reliability, and is convenient to install, use and maintain, improved in automation degree, light in structure and applicable to various occasions.

The invention relates to a release matched for a residual current operated circuit breaker, which comprises an enclosure, wherein an upper cover board is configured to the enclosure; a coil skeleton for installing a coil and a magnetic steel are respectively arranged at both sides inside the enclosure; the coil and the magnetic steel are connected by a middle magnetic yoke; an armature is arranged below the magnetic yoke, and an ejector rod extending out of the plastic enclosure is arranged at the bottom of the armature; one end part of the magnetic yoke is positioned at the upper part of the coil skeleton; a disk-shaped magnetic steel is fixed at the other end part of the magnetic yoke, which is folded downwards; a positioning groove is formed on the upper end face of the disk-shaped magnetic steel, and polarities of N and S poles are directly magnetized by thermal processing; and an armature is arranged below the other end part of the magnetic yoke, which is folded downwards, and the armature extends to be arranged below the coil skeleton and is connected with a magnetic movement shaft vertically arranged in the middle of the coil skeleton. The release has the characteristics that the release is simple in structure and convenient and reliable to use; the production process is simplified; polarity accuracy is improved; action reliability of releasing is higher; and the like.

The invention discloses a dual-sealing butterfly valve with an overhaul sealing ring driven by a servo motor. A valve body working sealing ring is arranged at a water outlet in a valve body; the valve body overhaul sealing ring is arranged at a water inlet in the valve body; a butterfly plate rubber sealing ring and a butterfly plate overhaul sealing ring are arranged on a butterfly plate; holes are uniformly distributed in a valve body barrel; the valve body overhaul sealing ring is provided with a radial handle; a short water inlet pipe is connected to the water inlet of the valve body; the servo motor corresponding to the radial handle is arranged on the short water inlet pipe; nut seats are uniformly distributed on the short water inlet pipe; a nut connected with the shaft of the servo motor is arranged on each nut seat; and a screw rod connected with the corresponding radial handle is screwed in each nut. A drive device for the valve body overhaul sealing ring of the dual-sealing butterfly valve disclosed by the invention is the servo motor, and good in synchronization effect and higher in automation degree; the valve body overhaul sealing ring is higher in action reliability; the phenomena of inclination, blockage and the like are avoided; pollution to a medium in a pipeline is avoided; opening, closing and turning can be adjusted in real time; the smooth slide of the valve body overhaul sealing ring can be much accurately ensured; and a corresponding long-distance transmission signal can be output in the whole stroke range of a valve body overhaul sealing pair switch to display the real-time position of the overhaul ring.

The invention relates to an intelligent lock with a straight handle. The intelligent lock comprises a handle, a motor executed resetting mechanism, a connecting shaft, a fixed seat, a handling head, alocking head, a touch panel and a circuit board. Communicating cavities are formed in a holding part and a bending part of the handle, the motor executed resetting mechanism is mounted in the cavityof the bending part, the connecting shaft is slidably mounted on the motor executed resetting mechanism, a fixed seat is mounted on the motor executed resetting mechanism, the handling head is rotatably mounted on the fixed seat, a through hole where the connecting shaft penetrates is formed in the fixed seat, a connecting slot is formed in a position, corresponding to the through hole, in the handing head, a pressing plate in leaning connection to the connecting shaft is slidably mounted in the cavity of the holding part, the locking head is mounted on the end tail part of the cavity of the holding part, the locking head is connected to the pressing plate through a locking head cap, the touch panel is mounted on the front end surface of the holding part, the circuit board is mounted in the cavity of the holding part, and the circuit board is separately connected to the touch panel and the motor executed resetting mechanism. By means of the arrangement, the intelligent lock is compactin structure and the action reliability of the connecting shaft is good.