14results about How to "Control rotation angle" patented technology

The utility model relates to a hydraulic system control switch technical field, especially a kind of pilot cut-off switch, rotating shaft one end passes through shaft seat, rotating damper and rotating shaft use keyway connection to be circumferentially fixed, rotating shaft one end is connected with pilot cut-off rod, the other end is connected with tension spring, by the pilot cut-off rod of front and back and drive to make rotating shaft rotate to open and close pilot valve, the other end of rotating shaft is connected with tension spring, through specific angle arrangement, provide power assistance in the rear half course of the rotation of shaft two directions, and provide stable locking force after reaching limit, ensure that not because equipment vibration leads to switch state change.In the process of rotation, under the tension of tension spring, the rotating speed of rotating shaft is constantly improved, at this time, rotating damper will provide reverse rotating torque according to the rotating speed of rotor, avoid the rotating speed of rotating shaft too fast and occur violent collision and vibration at limit point.

This invention relates to the field of umbrella production equipment technology, and particularly to an umbrella bead welding device to solve the problem of needing to change different special molds when producing products with different numbers of umbrella ribs. The device includes a frame, a placement platform on the frame for placing umbrella fabric, and a welding device on the frame for welding umbrella beads onto the umbrella fabric. A rotating device is provided between the placement platform and the frame to drive the placement platform to rotate intermittently. The rotating device includes a support shaft on the frame, the placement platform being rotatably connected to the support shaft, and a rotating gear rotatably mounted on the support shaft. A first telescopic member is provided on the frame, and a rack is provided on the telescopic rod of the first telescopic member. The rack meshes with the rotating gear. A one-way rotation device is also provided between the rotating gear and the placement platform.

The utility model discloses a controllable rotation angle's hose joint belongs to hose joint technical field, including the joint body, is provided with the limit block and rotatable limit ring on it, the limit block is used for limiting the rotation angle of limit ring, the hose is connected one end in joint body, and the accessory joint is located another end in joint body and is connected on limit ring, the utility model discloses a limit groove is set up on the joint body, sets up the limit block in the limit groove, and the limit ring with the opening rotatable connection in the limit groove, and the limit block is placed in the opening, when the clamping groove of accessory joint inner wall clamps the clamping block on the limit ring, can realize the connection between accessory joint and joint body, and because the setting of limit block makes accessory joint only rotate specific angle when rotating, installs it on the dust absorption pipe, will not over twist and damage the hose, influence dust absorption effect, and it can also be applicable to only need to rotate specific angle hose scene.

The utility model discloses a kind of multifunctional photography shooting effect enhancement equipment, it includes support, the side inner wall of support is rotatably connected with driving bevel gear, the side surface of driving bevel gear is engaged with driven bevel gear, the side surface of driven bevel gear is fixedly connected with threaded rod, the side surface of threaded rod is threadedly connected with slide bar, slide bar is rotatably connected with connecting rod by moving plate, the end of connecting rod away from moving plate is rotatably connected with support rod, the upper surface of support is fixedly connected with support base, the lower surface of support base is rotatably connected with screw rod, the side surface of screw rod is threadedly connected with limit plate, the inner side of support base is rotatably connected with universal ball, the side surface of universal ball is fixedly connected with mounting plate, mounting plate is fixedly connected with fixed plate by spring. By the above component, threaded rod can be used to promote slide bar and moving plate movement, and support rod is opened by connecting rod, the rotation angle of support rod is facilitated to control, and after opening, the rotation of support rod is limited to make support rod support stable.

The utility model discloses a high-precision low-altitude meteorological sensor calibration device, and relates to the field of sensor calibration. The air pressure calibrator comprises an air pressure calibrator main board, the upper surface of the air pressure calibrator main board comprises a micrometering valve, one end of the micrometering valve is connected with a universal joint, the other end of the universal joint is connected with a micrometering valve knob, the micrometering valve can be operated by rotating the micrometering valve knob, and a support is arranged at the lower end of the micrometering valve knob. According to the high-precision low-altitude meteorological sensor calibration device, the fine adjustment valve is arranged on the main board of the air pressure calibrator, and the universal joint is used for connecting the fine adjustment valve knob, so that an operator can conveniently operate the fine adjustment valve by rotating the knob, the flexibility and convenience of operation are greatly improved, and meanwhile, the operation efficiency is improved. The support at the lower end of the micro-metering valve knob can be horizontally placed when the micro-metering valve knob does not work, so that the adjusting precision is prevented from being influenced by shaking of the knob during operation, and the stability of micro-metering operation in the calibration process is ensured.

This application relates to an air guiding device, an air conditioner, and a control method thereof. The air guiding device includes: an air guiding plate with a first adsorption member disposed on the side facing the air conditioner body; a first rolling assembly including a first ring rotatably disposed on the air conditioner body, the first ring being configured to have a magnetic attraction force to attract the first adsorption member; and an angle monitoring assembly disposed on the air conditioner body, the angle monitoring assembly being configured to acquire a first angle of the air guiding plate relative to the air conditioner body; wherein, when there is a difference between the first angle of the air guiding plate and the target angle, the first ring is controlled to drive the air guiding plate to rotate relative to the air conditioner body through the first adsorption member, so that the air guiding plate reaches the target angle. The magnetic attraction force between the first adsorption member and the first ring can be used to realize the quick assembly and disassembly of the air guiding plate, and the angle of the air guiding plate relative to the air conditioner body can be acquired in real time to achieve precise air delivery by the air guiding plate.

The utility model discloses a small space 90 degree slewing boom for the opening of horizontal equipment head, relates to horizontal equipment head opening technical field, including the mounting seat fixed connection in the circumference outer wall of jar body, one side of mounting seat is provided the connecting column, one end of connecting column is fixedly connected with the cross column, one end fixedly connected with the limit disc of cross column, the outer wall fixedly connected with screw post of one side of limit disc, the lug center fixedly connected with the screw post from the outer wall of head body one side passes, the circumference outer wall screw connection of screw post has the nut. The utility model has realized the synchronous operation of head body horizontal movement and 90 degree rotation opening operation, does not need additional operation step, and the efficiency of head opening is improved greatly, and the whole process only needs small space to complete, effectively solve the inconvenient operation problem of traditional equipment in narrow space, especially suitable for the working scene of space limited, and the applicability of equipment is enhanced.

The application belongs to the technical field of photovoltaic roof, and proposes an adjustable light-transmitting photovoltaic roof, which comprises a support frame, a mounting seat, the mounting seat is arranged on the support frame and is a foldable structure, a plurality of connecting pieces are arranged on the mounting seat, the connecting pieces comprise a fixing plate connected with the mounting seat, and the fixing plate is used for mounting a photovoltaic module; a first driving piece is arranged on the support frame, an output end of the first driving piece is connected with the mounting seat, and the mounting seat is movably connected with the support frame through the first driving piece; a second driving piece is arranged on the mounting seat, an output shaft of the second driving piece is connected with the fixing plate, and the fixing plate is rotatable relative to the mounting seat through the second driving piece; and a buffer piece is arranged between the fixing plate and the mounting seat, and the buffer piece is an elastic damping structure. The application can flexibly adjust the structure of the photovoltaic module, organically combine the photovoltaic roof with the roof garden, prolong the service life of the equipment, and improve the long-term living experience of the personnel.

This invention discloses a mounting base, electrical equipment, and a power electronics testing platform, including a movable frame and four latches. Four elastic pins are symmetrically installed on the inner side of the movable frame, and each elastic pin is fixedly connected to a follower socket at its end. The four latches are symmetrically fixed in pairs on the outside of the equipment to be installed. An air cylinder is provided on the rear side of the movable frame, and the air cylinder includes a piston rod and elastic supports on the piston rod. This invention allows workers to continuously inject air into each elastic pin by continuously stepping on or pushing the piston rod. The air pressure then pushes the piston and latches backward, disengaging the latches from the electrical equipment's latches. The electrical equipment can then be moved horizontally to slide and push the movable frame, thus unlocking the device. The disassembly process is convenient, the performance is stable, and no tools are required for bolt removal, greatly improving disassembly efficiency.

The application belongs to the technical field of automation, and particularly relates to a kinetic energy actuator and a working method. The kinetic energy actuator comprises: a bearing, which serves as a mounting carrier; a motor, which is fixedly installed on the bearing and serves as a power source; a rotary output, which is rotatably installed on the bearing and outputs a rotary driving force externally; a speed reduction transmission group, which is connected in power between the rotary output and an output shaft of the motor, and transmits the rotary driving force of the motor to the rotary output after speed reduction and torque increase; an optical code disc, which is coaxially connected with the output shaft of the motor and rotates synchronously with the output shaft of the motor; and a photoelectric sensor, which is fixedly installed and detects the rotation of the optical code disc, and detects the rotation angle and rotation direction of the optical code disc. The kinetic energy actuator provided by the application has a compact structure, a regular shape, a large speed reduction ratio, and can simply and accurately control the rotation angle, and has wide adaptability to different application scenarios.

The invention discloses a feeding tooth height adjusting mechanism of a lockstitch sewing machine, an adjusting method and the lockstitch sewing machine, the adjusting mechanism comprises a feeding shaft and a tooth lifting shaft, a tooth frame seat is fixed at one end of the feeding shaft, the tooth frame seat is hinged with one end of a tooth frame assembly, and the other end of the tooth frame assembly is slidably hinged with a tooth lifting fork-shaped crank fixed at one end of the tooth lifting shaft; a feed lifting rear fork-shaped crank is fixed to the other side of the feed lifting shaft and slidably hinged to one end of a feed lifting adjusting connecting rod, the other end of the feed lifting adjusting connecting rod is hinged to one end of a feed lifting adjusting front crank, and the other end of the feed lifting adjusting front crank is fixedly connected with one end of a feed lifting adjusting driving shaft. The feed lifting adjustment driving shaft penetrates through a feed lifting adjustment driving shaft sleeve fixedly connected with the bottom plate, and the other end of the feed lifting adjustment driving shaft is fixedly provided with a feed lifting adjustment wrench which abuts against the bottom plate and extends out of a notch of the machine shell. The height of the feeding teeth can be conveniently and quickly adjusted.

The utility model relates to the technical field of cosmetics, in particular to kiss flow control lip glaze which comprises a bottle body and a smearing head structure convenient for a user to smear a material to a lip, the bottle body is connected with the smearing head structure, a piston is arranged in the bottle body in a sliding mode, the bottle body is divided into a material storage cavity and an operation cavity through the piston, and the operation cavity is connected with the bottle body. A rotation driving structure used for driving a piston in the material storage pipe to be pushed upwards is arranged in the operation cavity of the bottle body, a user operates the rotation driving structure to drive the piston to move upwards according to needs, and therefore the piston pushes the material body in the material storage cavity to move upwards and enter the smearing head structure. By means of the design, a user can accurately control the material taking amount every time, the situation that the material dipping head dips too much or too little material is effectively avoided, and the use convenience of the product and the naturalness of the makeup effect are greatly improved.

The utility model relates to the technical field of earth wheel, and disclose a kind of clearance adjusting device of earth wheel, including mounting plate, the lower end of mounting plate is provided with connecting column, the upper end of connecting column is connected with the lower end bearing of mounting plate, connecting column outside is provided with adjusting mechanism, the upper of mounting plate is provided with driving mechanism, adjusting mechanism includes connecting portion and adjusting portion, connecting portion is located the upper of adjusting portion. When the rotation of base, drive fixed link rotation, and then make adjusting plate rotate around fixed link, the rotation of adjusting plate is driven into soil frame to rotate around the hinge point of connecting rod by adjusting rod, to change the angle of soil frame, realize the adjustment of earth wheel clearance, multiple soil frames evenly arranged can simultaneously carry out clearance adjustment to multiple positions of earth wheel, ensure the uniformity of earth wheel and soil contact, make earth wheel more balanced in working process.

The utility model discloses an adjustable multifunctional protective restraint appliance for psychiatry department in the technical field of medical nursing instruments, which comprises a restraint strap and a fixing strap, an adjusting component is arranged on one side of the restraint strap, one side of the adjusting component far away from the restraint strap is fixedly connected with the fixing strap, and the other end of the fixing strap is connected with a nursing bed; the adjusting assembly comprises an adjusting sleeve part axially and fixedly connected to one side of the restraint strap in a sleeving mode, an adjusting shaft is rotationally connected to the center of the adjusting sleeve part, the adjusting shaft perpendicularly penetrates through the adjusting sleeve part and the restraint strap and is rotationally connected with the inner walls of the two sides of the adjusting sleeve part, and the adjusting shaft located in the adjusting sleeve part is meshed with a toothed belt assembly. The fixing device is novel and perfect, unlocking is achieved by pressing the knob, the adjusting shaft is rotated to drive the toothed belt assembly to collect or loosen the restraint strap, the knob is loosened to be locked again, limbs of a patient are wrapped under the appropriate tightness of the adjusting strap, and the length of the fixing strap is adjusted through the length adjuster to restrain the limbs of the patient from swinging. Therefore, the convenience and the safety of the adjustment operation are enhanced.