7531 results about "Ratchet" patented technology

Provided is a gear ratchet tensioner for indirect live wire and an indirect live wire non-power distribution method and, more specifically, to an automatic direction switching pendulum-type rotary drive gear ratchet tensioner for indirect live wire and an indirect live wire non-power distribution method using the same, wherein the automatic forward or reverse rotation of a roller shaft can be carried out by simply operating a rotary lever using a stick for indirect live wire, and accordingly, indirect live wire work from the wire in the live wire condition enables safe wiring work such as wire electric dip adjustment work, electric wire installation work, and suspension insulator replacement work, etc. and the roller shaft is formed to be driven by a backstop ratchet ring operated by a multi-angle bundle pearl to strongly prevent a reverse direction and prevent backlash during a reverse rotation driving process to enable strong rotation driving.

The present disclosure relates to a closure latch assembly and system for a vehicle closure panel equipped with a latch mechanism having a latched position and an unlatched position and a power release mechanism moveable between home position, a release position and a double pull position and / or a child lock position, wherein a motor is operable to move the power release mechanism from the home position to the release position and from the home position to the double pull position and / or the child lock position, and wherein an emergency backup mechanism in mechanically coupled communication with the latch mechanism can be mechanically actuated from a non-deployed position to a deployed position to move a pawl from a ratchet holding position to a ratchet releasing position regardless of the position of the power release mechanism, wherein the emergency backup mechanism is prevented from generating rattling noise while in the non-deployed position.

The invention discloses a torsion spring automatic injector, comprising a pen body, the pen body is equipped with a dose setting component and an injection component; the injection component comprises a release button, a clutch cylinder, a small push rod, a torsion spring and a push rod driving member, the dose setting component comprises a knob, a clutch tooth and a jumping tooth, the upper end surface of the clutch tooth is provided with an inner ratchet ring, the knob is provided with an outer ratchet ring, the jumping tooth is movably installed in the knob, the lower end surface of the jumping tooth is provided with an inner tooth block and an outer tooth block respectively meshing with the inner ratchet ring and the outer ratchet ring, the knob is also provided with a plurality of rotating slots, the side of the jumping tooth is provided with a plurality of rotating blocks respectively inserted into the rotating slots, and the two ends of each rotating slot are respectively provided with a forward rotation rib block and a reverse rotation rib block for blocking the rotating block. The scheme has a simple structure, is easy to operate, is convenient to carry, and adopts axial jumping to adjust the dose and make sounds.

The invention discloses a transmission assembly assembling device which comprises a rotary disc assembly, a synchronous material taking and assembling unit, a pawl material taking and assembling mechanism, a shaft sleeve material taking and assembling mechanism, a bearing material taking and assembling mechanism, a pressing mechanism and a discharging mechanism, and the pawl material taking and assembling mechanism, the shaft sleeve material taking and assembling mechanism, the bearing material taking and assembling mechanism, the pressing mechanism and the discharging mechanism are all installed on a workbench. The synchronous material taking and assembling unit comprises a ratchet ring material taking and assembling mechanism, a crankshaft material taking and assembling mechanism and a gasket material taking and assembling mechanism which are installed on the first translation module and located above the rotary disc assembly, and a ratchet ring material conveying mechanism, a crankshaft material conveying mechanism and a gasket material conveying mechanism are arranged at the first working position of the synchronous material taking and assembling unit; the second working position of the synchronous material taking and assembling unit is matched with the third assembling positioning hole, a shaft sleeve conveying mechanism is arranged at the first working position of the pawl material taking and assembling mechanism, and a bearing conveying mechanism is arranged at the first working position of the bearing material taking and assembling mechanism. Automatic assembly can be achieved, and the assembly efficiency is improved.

The invention discloses an air-ground multi-mode cross-domain robot system with a clutch structure and a control method. The air-ground multi-mode cross-domain robot system comprises a machine body, wings, clutch assemblies and rotor assemblies. The aircraft body drives the connecting rod mechanism through the steering engine to control the bilateral wings to move. Rotor driving motors, wheels and transmission gear sets are integrated on the wings, and motor power can be distributed to wheel driving shafts and propeller shafts. The clutch assembly is connected with a motor and a propeller shaft through a ratchet wheel meshing mechanism, and power on-off control is achieved, in the ground running process, a clutch is separated to stop rotation of a propeller, power is fully output to wheels to serve as driving wheels, and in the flight mode, the clutch is meshed to synchronously drive rotors and the wheels. According to the system, bimodal power distribution is achieved through a single motor, a driving wheel motor does not need to be additionally arranged, the structural complexity is effectively reduced, the moving speed and controllability are remarkably improved through the ground mode propeller static design, the advantage of cross-domain operation is achieved, and the system is suitable for complex task scenes.

A mount comprise multiple mounting locations for mounting various accessories in relation to a mounting surface. The mount comprises a proximate mounting location configured to be mounted in relation to the mounting surface, and multiple distal mounting locations for mounting accessories in a spaced relation to the proximate mounting location. An accessory may be mounted at the proximate mounting location, while at the same time, mounting the mount to the mounting surface. The distal mounting location may be spaced apart and elevated in relation to the proximate mounting location so that a user may reach between and below the distal mounting locations. The mount may also be configured to be mounted in a cantilevered fashion in relation to the mounting surface. The mount may be provided with an interlocking feature or surface, which may be in the form of a ratcheting or indexable feature, which may permit angular adjustment of the mount at discrete positions. The mount may support a tether, which may be stowed in closed out of the way in proximity to the mount, and which may be deployed to hold an accessory in relation to an accessory mount.

The invention provides steel structure profile cutting equipment. The steel structure profile cutting equipment comprises a conveying assembly, a cutting assembly, a discharging assembly, a flow dividing driving assembly and a positioning assembly. The conveying assembly conveys profiles through a bearing roller A, the discharging assembly adopts a liftable bearing roller B to achieve automatic discharging, the flow dividing driving assembly independently drives the conveying action and the discharging action through a ratchet mechanism, and interference is avoided. The positioning assembly comprises a width fixing mechanism, a thickness adapting mechanism and a guiding and clamping mechanism, the clamping position can be adjusted in a self-adaptive mode, and it is ensured that the profiles are guided stably in the conveying process and fixed firmly in the cutting process. The cutting assembly adopts a hydraulic drive disc saw, and precise cutting is achieved. The equipment has the advantages of high-precision positioning, automatic adjustment, efficient continuous operation and the like, is suitable for fixed-length cutting of heavy profiles such as large steel ingots and steel columns, and effectively improves the machining efficiency and the cutting quality.

A closure latch assembly includes a power release gear configured to be driven by a motor in a first direction from a home position to a release position, whereat a pawl releases a ratchet to permit the ratchet to move to a striker release position, and back to the home position in the first direction, whereat a sensor signals the motor to be de-energized when the power release gear returns to the home position. In the absence of the pawl releasing the ratchet, the power release gear is driven by the motor in a second direction opposite the first direction to cause the pawl to release the ratchet to permit the ratchet to move to the striker release position.

The invention discloses a torsion spring automatic injector dose adjustment positive and negative rotation sound production structure, which comprises a knob, a clutch tooth and a jumping tooth, the knob is sleeved on the periphery of the clutch tooth, the upper end face of the clutch tooth is provided with an inner ratchet ring, the knob is internally provided with an inner ring, the upper end face of the inner ring is provided with an outer ratchet ring, and the outer ratchet ring is provided with an outer ratchet ring. The jumping teeth are movably installed in the knob, the jumping teeth are provided with connecting keys or connecting ratchets, the lower end face of each jumping tooth is provided with an inner tooth block and an outer tooth block which are meshed with the inner ratchet ring and the outer ratchet ring respectively, and a plurality of rotating clamping grooves are further formed in the knob. A plurality of rotary clamping blocks clamped into the rotary clamping grooves respectively are arranged on the side edges of the jumping teeth, and the rotary clamping blocks can rotate by a certain angle in the rotary clamping grooves. According to the design, an axial tooth jumping sounding structure is adopted, when the dosage is adjusted, the adjusting knob is rotated clockwise to the desired dosage, the adjusting knob is rotated anticlockwise to return to the zero position, and jumping sounding can be achieved through meshing of spring force in the forward and reverse rotation process.

The invention discloses a pilot head assembly and an electromagnetic valve, and relates to the technical field of electromagnetic valves.The pilot head assembly comprises a shell sleeve, an inner cavity of the upper end of the shell sleeve is fixedly connected with a first fixed iron core, and the position, corresponding to the first fixed iron core, of the outer wall of the shell sleeve is sleeved with a first electromagnetic coil; the lower end of an inner cavity of the shell sleeve is fixedly connected with a second fixed iron core, the position, corresponding to the second fixed iron core, of the outer wall of the shell sleeve is sleeved with a second electromagnetic coil, and a movable iron core piston seat is movably connected to the bottom of the shell sleeve in an inserted mode. Through cooperative control of the double-electromagnetic-coil structure and the rotating ratchet mechanism, stepless switching of the electromagnetic valve between the normally-open state and the normally-closed state is achieved, the stroke of the sealing plug can be accurately positioned through the limiting clamping groove of the ratchet sleeve under the action of different electromagnetic fields, mode switching can be completed without an external mechanical device, and the working efficiency is improved. The problem that switching of a traditional electromagnetic valve needs a complex external device is solved.

The invention belongs to the field of rock-soil drilling equipment, and discloses a highway construction rock drilling sampling device which comprises a rack, a sampling device and a sampling device, the drill rod assembly is arranged on the rack and comprises an inner shaft rod and an outer sleeve rod, and the inner shaft rod is rotationally sleeved with the outer sleeve rod; the first driving mechanism at least drives the outer sleeve rod to rotate; and the drill bit assembly is connected with the drill rod assembly. Through the drill rod assembly and the drill bit assembly, a sampling component and a drilling component of the drill bit assembly are matched with a limiting tooth part through a movable ratchet assembly, state switching of the sampling component and the drilling component can be achieved, and when the drilling component is reversely screwed out after drilling, a movable tightening piece can be driven to move by rotating relative to the sampling component; and the movable tightening part of the sampling component can tighten and clamp the sample, so that the friction force in the sampling process can be increased, the sample is not easy to fall off, the structure is simpler, and the operation is easy.

The clutch injection structure comprises a shell, a release button, a clutch cylinder, a small push rod, a large push rod, a torsion spring and a push rod driving piece, the push rod driving piece is installed in the shell, a first driving ratchet wheel is arranged on the push rod driving piece, the lower end of the large push rod is connected with the push rod driving piece, and a second driving ratchet wheel is arranged at the lower end of the large push rod. A first driving ratchet is arranged at the lower end of the large push rod, the push rod driving piece is in threaded connection with the small push rod, a second driving ratchet is arranged on the large push rod, a second driving ratchet is arranged at the lower end of the clutch cylinder, a gap is formed between the lower end of the clutch cylinder and the large push rod, and the torsion spring is connected with the shell and the clutch cylinder. The release button is connected with the clutch cylinder and can drive the lower end of the clutch cylinder to be connected with the large push rod. The design is simple in structure, convenient to produce and assemble and low in cost.

A power latch assembly for motor vehicle closure applications has a single motor operable to move a pawl from a ratchet holding position to a ratchet releasing position and place the power latch assembly in at least one of a lock state and a child lock state.

A powered ratchet tool includes a housing and a motor disposed within the housing. The motor has an output shaft rotatable about a first axis. The powered ratchet tool further includes a ratchet mechanism supported by the housing and operably coupled to the output shaft to be driven by the motor. The ratchet mechanism has a crankshaft assembly defining a variable crank radius configured to change an extent of each rotational stroke of the ratchet mechanism. Moreover, the powered ratchet tool includes an output drive operably coupled to the ratchet mechanism to be rotated about a second axis perpendicular to the first axis.

The present invention relates to the field of crane equipment, and in particular to a sway reduction and stabilization device for a crane hoist. In view of the problem in the prior art that a steel wire rope will inevitably shake during the speed regulation of a trolley, a sway reduction and stabilization device for a crane hoist is provided. Two first auxiliary ropes that are cross-arranged with each other are respectively arranged on the front and rear sides between a stabilization plate and a mounting plate. The lower ends of the first auxiliary ropes are respectively fixedly connected to fixed plates. When the crane trolley drives the hoist to move, the fixed plates are pulled mutually by the first auxiliary ropes that are cross-arranged with each other. Under the action of a two-way ratchet self-locking structure, while ensuring that the first auxiliary rope can be retracted and released by a first winding wheel, the pulling force from the first auxiliary rope cannot drive the first winding wheel to rotate, so that the first auxiliary rope can effectively maintain traction, reduce the shaking of the hoist during movement, and enhance the stability of the hoist during movement.

The utility model discloses a winch reduction motor, including a winch reduction motor, including a motor and a reduction gear housing, the reduction gear housing is fixedly installed at one end of the motor by bolts, the motor shaft rotates and extends into the reduction gear housing and is fixedly installed with a first gear, the reduction gear housing is rotatably installed with a rotating shaft, one end of the rotating shaft close to the motor is fixedly connected with a second gear, the other end of the rotating shaft is fixedly connected with a third gear, the side of the reduction gear housing away from the motor is rotatably installed with a main shaft, one end of the main shaft is fixedly installed with a fourth gear, the other end of the main shaft is fixedly connected with the rotating shaft of the capstan, a rope is wound around the capstan, the fourth gear is meshed with the third gear, the second gear is meshed with the first gear, and a ratchet is fixedly sleeved on the rotating shaft. The winch reduction motor of the utility model can effectively prevent the ratchet from reversing, thereby locking the position of the load.

A caravan lock with anti-motor stalling linkage structure is equipped with a toothed clutch mechanism or a ratchet clutch mechanism. The toothed clutch mechanism is featured by a rotary sliding tooth disc and an inner tooth disc, the drive shaft of the rotary shaft motor is connected to the inner tooth disc of the rotary sliding tooth disc, and the surface of the inner tooth disc has evenly spaced holes allowing for elastic deformation. The outer diameter of the internal gear disc features a braking head wedged into the internal tooth grooves evenly spaced along the inner diameter of the rotary sliding tooth disc; while the end of the linkage is pivotally attached to the first pin located at the top of the rotary sliding tooth disc, the second pin at the top of the rotary sliding gear disk is inserted into the sliding hole of the small locking tongue.

A ratchet-type tensioning device comprises a base, wherein the base is provided with a accommodating area for accommodating a webbing, and the accommodating area is provided with a winding and winding and unwinding mechanism which is used for winding and unwinding the webbing; the winding and winding and unwinding mechanism comprises a ratchet wheel with gear teeth, and the accommodating area is further provided with an operating mechanism, and the winding and winding and unwinding mechanism can be selectively locked or unlocked by the operating mechanism.

The utility model provides a car door lock suction and interruption mechanism and a car door lock, the car door lock suction and interruption mechanism comprises a pawl assembly, a ratchet assembly, a self-priming push rod, a first drive device and a release-related rod, the pawl assembly, the ratchet assembly, the self-priming push rod and the first drive device form a self-priming function and have working conditions of unlocking state, semi-locking state and full-locking state, the release-related rod can drive the self-priming interruption connecting rod to slide under the action of the interruption assembly, and the self-priming interruption connecting rod separates the self-priming push rod from the ratchet assembly during the sliding process to achieve self-priming interruption. The car door lock suction and interruption mechanism described in the utility model realizes the automatic closing and locking of the car door and the self-priming interruption function in an emergency situation through a simple mechanical structure, has a compact structure, reliable operation, and improves the safety, reliability and convenience of the car door lock.

The invention discloses a reaction kettle device for synthesis of an iron phosphate material, and particularly relates to the technical field of synthesis of battery materials, and the device comprises a kettle body, a driving motor, a transmission disc and a turbo-type paddle. A sealing cover is arranged at the top of the kettle body, a driving motor is connected with a rotating shaft, an anchor blade is arranged below the rotating shaft, and the bottom realizes turbine blade lifting and sleeve guide limiting through transmission of a piston cavity and compressed gas; and a ratchet wheel on the outer wall of the rotating shaft is meshed with a pawl in the transmission disc in a one-way mode, and intermittent wall scraping is achieved. According to the device, dead angles are broken through synergistic stirring of the double blades, the mixing uniformity and the reaction rate are improved, materials adhering to the wall are efficiently removed through intermittent wall scraping, the stable reaction environment is guaranteed through multiple sealing, the structure is flexible to adjust, maintenance is convenient and fast, efficient and high-quality synthesis of the iron phosphate material can be achieved, and the device is suitable for industrial large-scale production.

The utility model discloses a flexible clamping tool structure based on semiconductor chamber processing, and relates to the technical field of clamping tools, the flexible clamping tool structure comprises a mounting rack, the top of the mounting rack is provided with a clamping assembly used for clamping parts, the bottom of the mounting rack is provided with a rotating assembly and a driving assembly, and the rotating assembly and the driving assembly are arranged on the mounting rack. The driving assembly is connected with the clamping assembly through the rotating assembly. According to the flexible clamping tool structure based on semiconductor cavity machining, a straight rack is pushed by an air cylinder to drive a gear and a rotary table to rotate to achieve centering clamping of a part, when a clamping plate makes contact with the part to generate resistance, a spring is not completely contracted to achieve the buffering effect, the flexible clamping effect is achieved, damage possibly caused by rigid clamping to the part is avoided, and meanwhile the clamping effect is improved. When the clamping block is clamped on the ratchet bar under a specific condition, part damage caused by overlarge thrust of the air cylinder or overtravel of telescopic action can be effectively avoided, and a good protection effect on semiconductor parts is achieved.

A rotating shaft apparatus and an electronic device are provided, which include a first rotating mechanism and a second rotating mechanism. The first rotating mechanism includes a first ratchet and a first tooth. The first tooth can rotate with respect to the first ratchet in a first rotation direction. An engagement structure between the first tooth and the first ratchet makes the first tooth stop rotating in a second rotation direction. The first and second rotation directions are opposited. The second rotating mechanism is arranged coaxially with the first rotating mechanism, and includes a second ratchet and a second tooth. The second ratchet is in stop-rotation connection with the first tooth. The second tooth can rotate with respect to the second ratchet in the second rotation direction. An engagement structure between the second tooth and the second ratchet makes the second tooth stop rotating in the first rotation direction.

The utility model provides a multifunctional measuring device, and relates to the technical field of measuring devices. A through groove is formed in the upper end of the main base, a gear is installed in the through groove in the upper end of the main base through a pin shaft, a worm gear is fixed to a center shaft of the gear, and a worm is installed at the upper end of the main base through a bearing. A wood board is measured through the scale plate on the main seat, when the length of the scale plate on the main seat is insufficient, the knob is rotated to enable the worm to rotate, the worm drives the gear to rotate, the inner rod extends out of the front side, the length of the wood board can be measured through the inner rod and the scale plate on the main seat, and the length is the sum of the reading of the inner rod and the scale of the main seat. The worm gear and the worm can prevent the inner rod from moving automatically, and reading is facilitated; the clamping buckle wheel is pulled downwards to be separated from the ratchet wheel, the ink line on the take-up barrel can be pulled out, the lower pressing plate can press the ink line downwards into an ink groove in the ink box, the measured wood board can be marked through the ink line, and cutting is convenient.

A ratcheting setting tool can use wellbore fluid to inflate expandable seals positioned downhole in a wellbore. For example, the ratcheting setting tool can include a piston within a first chamber. The piston can move from a first position to a second position in the first chamber when a pressure is applied to the piston. The ratcheting setting tool can include a first check valve in a second chamber. The first check valve can transmit wellbore fluid from the wellbore into the second chamber. The ratcheting setting tool can include a second check valve. The second check valve can transmit the wellbore fluid in the second chamber into an inflatable valve when the piston moves from the first position to the second position. In some examples, the ratcheting setting tool may be a hydraulic ratchet.

The invention provides a tool applied to the field of petroleum drilling, and particularly relates to an electrically-controlled reducing cutter, which has the technical scheme that the extension and retraction of the cutter are accurately controlled by a control base driving motor and an electromagnet, wherein the control base driving motor comprises an MCU (Microprogrammed Control Unit) and a wireless communication module; the control base can receive a ground instruction and transmit an underground working state signal back in real time; meanwhile, the ratchet mechanism is matched with the electromagnet to achieve extending and retracting of the cutter position, and the pawl is always in close contact with the ratchet wheel under the action of the spring. And the lower shell is in threaded connection with the guide shoe. The cutting knife is driven to rotate through the transmission shaft, the cutting knife is controlled to stretch out and retract through the intelligent electric control system, continuous cutting of casing pipes with different pipe diameters can be achieved, the tripping frequency is reduced, and the casing pipe cutting efficiency in the well abandoning operation process is greatly improved.

A strap that includes a buckle, a lever affixed to the buckle, a lever tooth disposed on the lever, a band affixed to the buckle, and a plurality of tooth catch holes disposed on the band, where the plurality of tooth catch holes are adapted to interlock with the lever tooth.

A door latch device includes: an open link including a lever main body, an inertia lever part, and a release energizing member configured to energize the inertia lever part to be maintained at an operating position with respect to the lever main body, an operation force of the door handle being not transmitted to the ratchet lever even in a state in which the lever main body is disposed at an unlocked position, in a case where the inertia lever part is disposed at a non-operating position against energizing force of the release energizing member; a ratchet lever; and a restriction mechanism disposed between the lever main body and the inertia lever part, the restriction mechanism being configured to restrict returning movement to the operating position in a case where the inertia lever part moves to the non-operating position.

A telescopic boom system provides an extensible boom that may be used in spacecraft applications including supporting photovoltaic panels, communication antennas, instrumentation, and so forth. A stowed configuration is volumetrically compact, including the boom and actuators such as a motor. During deployment, threaded nuts for each nested section of the boom are self-aligning with respect to a leadscrew driven by the motor. Sections are staged for extension in staged sequence by a flexure arm engaging a ramp feature on a portion of the nested section. Extension failure mitigation is enhanced by allowing partial retraction of some sections during extension. Once fully extended, tension of the boom may be later adjusted, modifying the structural fundamental frequency. A ratchet may be engaged with extension of a final nested section to prevent retraction of the extended boom.

A medicament delivery device includes: a body; a needle cover axially movable between an extended position and a retracted position; a medicament delivery mechanism including a plunger and a drive member configured to move the plunger to dispense a medicament; an actuation member configured to be actuated relative to the body; and a ratchet mechanism coupled to the medicament delivery mechanism and sequentially movable between a first configuration, second configuration and third configuration, wherein the actuation member and ratchet mechanism are arranged such that: a first actuation of the actuation member moves the ratchet mechanism from the first configuration to the second configuration to cause a first dose of the medicament to be dispensed, and a second actuation of the actuation member, subsequent to the first actuation, moves the ratchet mechanism from the second configuration to the third configuration to cause a second dose of the medicament to be dispensed.

The utility model relates to the technical field of planting irrigation, in particular to a uniform-spraying irrigation device for cherry planting, which comprises a water pump, a water outlet component, a rotating component, a connecting component, an adjusting pipe component, a spraying component and a clamping seat component, a water outlet assembly is arranged on one side of the water pump, a rotating assembly is arranged above the water outlet assembly, a connecting assembly is arranged on one side of the rotating assembly, an adjusting pipe assembly is arranged on the inner side of the connecting assembly, a spraying assembly is arranged on one side of the adjusting pipe assembly, and a clamping base assembly is arranged on one side of the adjusting pipe assembly. The clamping base assembly comprises a fixing base, a limiting block, a spring, a sliding rod and a fixing groove. By adding the adjusting structure, the jet pipe is separated from the communicating pipe, and the connecting component, the adjusting pipe component and the clamping seat component are added between the jet pipe and the communicating pipe to form a two-way ratchet wheel structure, so that the jet pipe can rotate flexibly, and the jet angle can be adjusted; and the device can conveniently adjust the spraying angle according to actual requirements.