41results about How to "Easy pedal" patented technology

The invention discloses a power-assisted transmission mechanism for an electric power-assisted bicycle, which is easy to accelerate and comfortable to ride. The transmission mechanism comprises a shell, a middle shaft, a main chain disk, a chain, a first bearing, a first one-way clutch, a power-assisted motor and a transmission chain disk, wherein the transmission chain disk is arranged on the power-assisted motor; the main chain disk is connected with the transmission chain disk through the chain and is provided with the first bearing; the middle shaft passes through the first bearing and is provided with a torque cam mechanism with a resetting function; a driving wheel of the torque cam mechanism is fixedly connected with a sliding sleeve; a driven wheel is fixedly connected with the main chain disk; the first one-way clutch is arranged between the driving wheel and the middle shaft; a sensing device is arranged at a corresponding position of the sliding sleeve; and a signal processor is connected with the sensing device and the power-assisted motor through a circuit.

A drive unit able to be applied to a vehicle with pedals, like a bicycle, a tricycle or other, having at least a flywheel and a pair of pedals connected to a central shaft rotatable around a rotation axis. The drive unit comprises an electric motor, fed by an electric feed member, motion transmission members, which connect the electric motor to the flywheel, and a control unit that detects, by means of corresponding sensors, the speed of rotation of the central shaft connected to the pedals in order to feed, in proportion thereto, the electric motor. The drive unit also comprises a first free wheel which connects the motion transmission members to the flywheel, and a second free wheel that connects the central shaft to the flywheel. Both the free wheels are disposed coaxial with the flywheel so as to rotate around the rotation axis.

The invention belongs to the field of connection systems for every two adjacent carriages of a railway vehicle and relates to a traveling device used between adjacent train bodies of a motor train unit and capable of reducing the floor height. The traveling device is a low-gravity-center compact common bogie of a brand new form. An oil damper of the traveling device is used for restraining relative rolling pendulum vibration between the top of a carriage A and the top of a carriage B. The two ends of a common connecting device are fixed to underframe end beams of the two adjacent carriages respectively. Four air spring installation positions arranged on two sides are uniquely arranged on a common framework so as to contain sleeper beam middle through grooves. Under the condition that the existing fixed distance of each carriage of the motor train unit is kept unchanged, the traveling device can reduce the total number of bogies of the motor train unit and reduce the manufacturing cost of the motor train unit; moreover, while the un-obstruction performance of the interior floor of the motor train unit is improved, the overall gravity center and the floor height of the motor train unit are lowered, and passengers can conveniently get on or off the motor train unit. In addition, the traveling device remarkably improves the bend curve passage capacity and the turning maneuvering performance of the motor train unit.

The invention relates to the field of architectural decoration, in particular to a novel punching rack supporting and jacking structure, which comprises a supporting base and a supporting rod inserted into the supporting base, wherein the supporting base comprises a base plate and an outer sleeve vertically arranged on the base plate, and the supporting rod is inserted into the outer sleeve along the axial direction of the outer sleeve; a hydraulic oil cavity for jacking the supporting rod is arranged at the bottom of the inside of the outer sleeve, and the outer sleeve is also provided with a hydraulic cavity communicated with the hydraulic oil cavity; a piston rod which is used for pressing oil in the hydraulic cylinder into the hydraulic oil cavity to jack the supporting rod is inserted into the hydraulic cylinder. The supporting rod can be lifted up along a through groove through a handle so as to jack a hole puncher at the top of the supporting rod, and the piston rod is stepped to be pressed down so as to press the hydraulic oil in the piston rod into the hydraulic oil cavity so as to jack the supporting rod; the operation is diverse and convenient, the supporting rod rises stably, and the punching is safer.

A cartridge comprising a bullet, the bullet providing a radially expanding array of bullet fragments upon entering a target and also providing an increase in effective surface area of the bullet within the target by structural features that facilitate tumbling or mushrooming in the target. In an embodiment a pair of axial core members are aligned in a bullet jacket with the forward core member being segmented with separation junctures formed by engaged faces of adjacent segments. Impact causing fracturing of the segments from a base portion.

The invention discloses a pedal driving device. The pedal driving device mainly comprises a frame (18), a gearbox (11) mounted at the back end of the frame (18), a driving rear wheel (13) mounted on a gearbox output shaft (27), an overrunning clutch (28) mounted on a gearbox input shaft (22) and pedal driving devices mounted on the frame (18) and the gearbox (11), and is characterized in that the pedal driving devices further comprise additionally arranged gear driving arms (8) and driving arm movable joints (6); and an independent pedal driving device driving system is provided, so that such defects as nonuniform stress, easy rupture and weak durability of the overrunning clutch caused by single-edge stress in the pulling of a drive connecting rod in the stepping of a pedal drive by users due to the use of the drive connecting rod of a bicycle with Chinese patent number of 201420590209.3 as a single-edge single structure in the prior art are solved, and such defects as labor waste in driving and possibility of touching the pedal driving arm to the drive rear wheel caused by direct installation of the back end of the pedal driving arm outside the gearbox are solved.

The invention relates to an elevator car top guardrail installation structure, including the car top guardrail, the car top guardrail is fixed on the top of two parallel supporting vertical beams in the hoistway, and the tops of the two supporting vertical beams are fixed to support the upper beam, and it is characterized in that: the car top guardrail A three-sided frame is formed by two side frames and a back frame. The two side frames and the back frame are fixed horizontally and vertically by multiple beams and columns. The supporting beams pass through the upper part of the two side frames for more Between the first crossbeam and the second crossbeam in the road crossbeam, and the support upper beam is fixed with the first crossbeam and the second crossbeam, and the support upper beam is clamped and fixed from the upper and lower sides. The structure design of the present invention is scientific and reasonable, multi-directional and fixedly installed with the supporting upper beam, easy to install, and stable in structure.

The invention relates to the field of construction decoration, in particular to a using-conveniently punching frame comprising a frame seat and a supporting eject structure. The frame seat comprises a seat plate, a fixing backup plate and a clamping member; the supporting eject structure comprise a supporting base and a supporting rod; the bottom of the seat plate protruded downwardly is provided with a stud, the seat plate is provided with an adjusting groove, and the bottom of a fastening plate is provided with a sliding component; the supporting base comprises the base plate and an outer sleeve arranged on the base plate vertically; the supporting rod is inserted into the outer sleeve along the outer sleeve axially, the bottom of the outer sleeve is provided with a hydraulic cavity used for ejecting the supporting rod, and a hydraulic cylinder communicated with the hydraulic cavity is arranged outside the outer sleeve and is provided with a piston rod which is used for ejecting the supporting rod and which is capable of pressing oil of the hydraulic cylinder into the hydraulic cavity. The supporting rod can be ejected by pressing a handle and stepping simultaneously, force can be saved while the punching frame is used for punching a structure with high strength, and the punching frame is firm after fixation and is safer for punching.

The invention discloses a pull type hydrofoil device. The pull type hydrofoil device comprises a supporting frame, a rotation rod, a supporting rod and a handle. A rear wing is arranged at the lower end of the supporting frame, and two spaced pedals are arranged at the upper end of the supporting frame. A guide mechanism is arranged at one end of the rotation rod. One end of the supporting rod is connected with the rotation rod through a reset mechanism. A buffer mechanism is arranged at the upper end of the supporting frame, and the other end of the supporting rod is connected with the buffer mechanism. The handle is arranged at the other end of the rotation rod. According to the pull type hydrofoil device, when an operator pulls the handle backwards, impact to the supporting frame from the supporting rod can be reduced due to the buffer mechanism; the buffer mechanism can store elastic potential energy and release the stored energy when the operator steps on the pedals, and therefore the pedaling operation saves more labor and is more convenient.

The invention relates to a power-assisted bicycle with a middle-mounted motor. The power-assisted bicycle comprises a bicycle frame and a middle-mounted motor driving system installed on the bicycle frame. The middle-mounted motor driving system comprises a motor, a controller, a battery and a transmission system; the transmission system is arranged at the lower end of an inclined tube; at least the motor in the motor, the controller and the battery is arranged in the inclined tube of the bicycle frame, and a driving part of the motor is in driving connection with the transmission system; thecontroller is in signal connection with the motor; and the battery is electrically connected with the motor and the controller and supplies a working power supply. Thus, the appearance of the power-assisted bicycle is simplified and tidy, enough space is vacated for folding, the weight is reduced, pedal riding is easy, electric riding power consumption is small, the battery journey continuation time is long, the battery journey is long, and in addition, the middle-mounted motor driving system adopts modular design, so that the power-assisted bicycle is more convenient and faster to disassembleand assemble, and the production efficiency is high; and the production cost is reduced, and later maintenance and replacement are facilitated.

The invention discloses a bidirectional-driving pedal turnover device. The bidirectional-driving pedal turnover device comprises a base, a pedal device, a swinging plate and a transmission device, wherein the base comprises a base plate and a side plate, the swinging plate and the front side of the base plate of the base are hinged together, a brake cable stop dog base is arranged at one end or two ends of the swinging plate, a shell is fixedly connected with the outer side of the side of the side plate of the base, a gate tube base is arranged in the rear end of the upper part of the shell, and a line hole is formed in the bottom of the gate tube base; a swinging plate track avoidance slot is formed inside the shell; and a flexible swinging plate releasing device is arranged inside the shell. The bidirectional-driving pedal turnover device disclosed by the invention has the advantages that a cushion rotating shaft seat of a toilet is utilized for fixing the base, and the side plate of the base and the end part of the swinging plate are sealed by virtue of the shell, so that both the base and the end part of the swinging plate are in a hidden state, appearance is clean, streamline is smooth, strength is high, and ornamental value is improved and practicability is enhanced.

The invention relates to an operating chair for the ophthalmology department, particularly relates to an adjustable operating chair for the ophthalmology department, and aims at solving the technicalproblem of providing the adjustable operating chair for the ophthalmology department, which is flexible in structure and is convenient for adjustment. According to the technical scheme, the adjustableoperating chair for the ophthalmology department comprises a first reversed concave plate, a second reversed concave plate, a chair plate, a first U-shaped guide rod, a second U-shaped guide rod anda first side plate, wherein a first big groove is formed in the top of the first reversed concave plate, a first guide hole and a second guide hole are formed in the upper part of the first reversed concave plate, and the first guide hole and the second guide hole are positioned under the first big groove. The adjustable operating chair for the ophthalmology department provided by the invention has a flexible structure and can be used for conveniently adjusting the length of the chair plate and the width between armrests according to patients, so that the use requirement of different ophthalmic patients can be met, the comfort level can be improved, and examination and treatment of patients can be facilitated.

The invention discloses a baby carriage comprising a carriage body, front wheels and rear wheels, wherein the rear wheels are connected with a supporting frame; a rear cross bar is connected with the rear bottom of the carriage body; the supporting frame is connected with the rear cross bar; the supporting frame can be rotated to a position which is formed into an angle of 90 degrees with the original position. After the position of the supporting frame is changed, the baby carriage can be used as a sliding plate, and a person can push the baby carriage to advance like sliding the sliding plate at ordinary times by means of the power and inertia of the sliding plate when pushing the baby carriage, so that the labor intensity and dullness caused in the process of pushing the baby carriage are reduced; meanwhile, the two front wheels and the two rear wheels are arranged at a triangular angle so that the baby carriage is more convenient and flexible in steering.

The invention discloses a drill detection device used for qualitative detection of the composition and distribution of a soil layer. By the adoption of the drill detection device used for qualitative detection of the composition and distribution of the soil layer, the distribution condition of the soil layer can be known rapidly and economically, real-time and economical stratum data can be provided for actual engineering, important data are provided for judging the soil bearing capacity, and the drill detection device has guidance and application significance for the actual engineering. According to the technical scheme, the drill detection device used for qualitative detection of the composition and distribution of the soil layer comprises a hollow drill rod (5); a thruster (2) is fixedly arranged at one end of the hollow drill rod (5); the working surface of the thruster (2) is perpendicular to the axis of the hollow drill rod (5); a pointed end (6) which can be pressed into a soil body conveniently is fixedly arranged at the other end of the hollow drill rod (5); a pressing rod is arranged in the hollow drill rod (5); a plurality of barbs (4) are arranged on the pressing rod; holes used for allowing the barbs (4) to stretch out are formed in the side wall of the hollow drill rod (5); the barbs (4) are located inside the hollow drill rod (5) when pressed into the hollow drill rod (5); the barbs (4) are located outside the hollow drill rod (5) and can carry out soil samples when pulled out of the hollow drill rod (5).

The invention relates to a foot valve with a flow and temperature adjusting device. The foot valve with the flow and temperature adjusting device comprises a valve body; an upward water outlet is formed in the front end of the valve body, a cold water flow and temperature adjusting valve is upwards arranged on the right side of the upper part of the middle section of the valve body, and a hot water flow and temperature adjusting valve is upwards arranged on the left side of the upper part of the middle section of the valve body; a cold water open-close valve core is arranged in an inner hole of the right side of the valve body, and a hot water open-close valve core is arranged in an inner hole of the left side of the valve body; a blue rubber sleeve used for a cold water pedal and representing cold water is arranged on the right side of the upper part of the rear end of the valve body, and a red rubber sleeve used for a hot water pedal and representing hot water is arranged on the leftside of the upper part of the rear end of the valve body; when the cold water is used, the pedal with the blue rubber sleeve is treaded; when the hot water is used, the pedal with the red rubber sleeve is treaded; and when warm water is used, the two pedals are treaded simultaneously. The water yield and the water out temperature can be self-adjusted, contacting with the used water is not required, safety and health are achieved, performance is reliable, and the life is long.

The invention relates to a descending flue heating base of a combustion furnace. The heating base is characterized in that a base body (1) is a flat cylinder, a straight flue (6) transversely penetrating through the center point and an annular flue (7) surrounding the interior of the base body (1) are arranged in the base body (1), a smoke inlet (2) connected with a downward flue is formed in thecorresponding position of the upper surface of the base body (1), and a smoke outlet (3) protruding outwards is formed in the outer side beside the smoke inlet (2) of the base body (1). The heating base has the beneficial effects that the heating base is simple in structural design and convenient to use and operate, rapid heat exchange between smoke behind the straight flue and smoke on the annular flue can be achieved, the temperature of the base body is increased, and people can step on the base body conveniently for heating.

The invention discloses a transformer mounting base. The transformer mounting base comprises two parallel cross beams, wherein two ends of each cross beam are fixed to a telegraph pole through a pole holding device, each cross beam comprises a first supporting rod, a second supporting rod and a third supporting rod, one end of each second supporting rod is fixedly connected with the corresponding first supporting rod, the other end of the second supporting rod is in sliding fit with the third supporting rod, an upper end of the first supporting rod and an upper end of the third supporting rod are both in sliding connection with installation blocks for fixing a transformer, the pole holding device is of a rectangular frame structure with the adjustable size, and the cross beam is in sliding connection with the side wall of the pole holding device. The length and the distance of the cross beams can be adjusted according to actual use, different installation requirements are met, the adjustable installation blocks are rapidly matched with installation hole positions of the transformer, convenience and the speed of installation and fixation of the transformer are improved, operation efficiency is improved, and installation difficulty is reduced.

The invention discloses a pedal driving device. The pedal driving device mainly comprises a frame (17), a gearbox (11) mounted at the back end of the frame (17), a driving rear wheel (13) mounted on a gearbox output shaft (27), an overrunning clutch (28) mounted on a gearbox input shaft (22) and pedal driving devices mounted on the frame (17) and the gearbox (11), and is characterized in that the pedal driving devices further comprise additionally arranged gear driving arms (8) and driving arm movable joints (6); and an independent pedal driving device driving system is provided, so that such defects as nonuniform stress, easy rupture and weak durability of the overrunning clutch caused by single-edge stress in the pulling of a drive connecting rod in the stepping of a pedal drive by users due to the use of the drive connecting rod of a bicycle with Chinese patent number of 201420590209.3 as a single-edge single structure in the prior art are solved, and such defects as labor waste in driving and possibility of touching the pedal driving arm to the drive rear wheel caused by direct installation of the back end of the pedal driving arm outside the gearbox are solved.

The invention discloses a baby carriage comprising a carriage body, front wheels and rear wheels, wherein the rear wheels are connected with a supporting frame; a rear cross bar is connected with the rear bottom of the carriage body; the supporting frame is connected with the rear cross bar; the supporting frame can be rotated to a position which is formed into an angle of 90 degrees with the original position. After the position of the supporting frame is changed, the baby carriage can be used as a sliding plate, and a person can push the baby carriage to advance like sliding the sliding plate at ordinary times by means of the power and inertia of the sliding plate when pushing the baby carriage, so that the labor intensity and dullness caused in the process of pushing the baby carriage are reduced; meanwhile, the two front wheels and the two rear wheels are arranged at a triangular angle so that the baby carriage is more convenient and flexible in steering.

The invention discloses an energy-saving and environment-friendly road lighting device comprises a fixed shell arranged in a foundation, the upper surface of the fixed shell is fixedly connected with a street lamp pole through bolts, the side face of the street lamp pole is provided with an LED lamp and an annular pipe, and the outer surface of the annular pipe is provided with a plurality of air outlet holes. A plurality of grooves are formed in the upper surface of the fixed shell, rubber piston rings are slidably connected to the inner walls of the grooves, and T-shaped pedals are fixedly connected to the upper surfaces of the rubber piston rings. According to the energy-saving and environment-friendly road lighting device, by arranging the T-shaped pedals, the communicating pipe, the rubber piston rings, the power generator and the rotating blades, pedestrians can conveniently tread the T-shaped pedals, the rubber piston rings extrude air in a grooves in the fixed shell and push the air into the communicating pipe in a one-way mode, generated airflow drives the rotating blades to rotate, the power generator generates electric energy, therefore, electric energy is generated only when pedestrians pass by, more energy is saved, and meanwhile air is exhausted through the air outlet holes of the annular pipe to blow away dust and winged insects on the surface of the LED lamp.

The invention belongs to the field of connection systems for every two adjacent carriages of a railway vehicle and relates to a traveling device used between adjacent train bodies of a motor train unit and capable of reducing the floor height. The traveling device is a low-gravity-center compact common bogie of a brand new form. An oil damper of the traveling device is used for restraining relative rolling pendulum vibration between the top of a carriage A and the top of a carriage B. The two ends of a common connecting device are fixed to underframe end beams of the two adjacent carriages respectively. Four air spring installation positions arranged on two sides are uniquely arranged on a common framework so as to contain sleeper beam middle through grooves. Under the condition that the existing fixed distance of each carriage of the motor train unit is kept unchanged, the traveling device can reduce the total number of bogies of the motor train unit and reduce the manufacturing cost of the motor train unit; moreover, while the un-obstruction performance of the interior floor of the motor train unit is improved, the overall gravity center and the floor height of the motor train unit are lowered, and passengers can conveniently get on or off the motor train unit. In addition, the traveling device remarkably improves the bend curve passage capacity and the turning maneuvering performance of the motor train unit.

The invention discloses a novel pedal-controlled cover-lifting and ring-lifting intelligent closestool which comprises a closestool body and a metal pedal switch, the bottom of the head end of the closestool body is provided with a concave mounting table, the metal pedal switch is mounted in a mounting hole in the mounting table, one end of the metal pedal switch is a switch gland, and the other end of the metal pedal switch is provided with a pin wire. The gland protrudes out of the mounting surface of the mounting table, the pin wire is arranged on the inner side of the mounting hole, the wire is connected with a first electric damper and a second electric damper arranged on the closestool body through the pin wire, the first electric damper can drive the closestool cover to be opened and closed, and the second electric damper is used for driving the seat ring to be opened and closed; the switch gland can be treaded to control the first electric damper to drive the toilet cover to open and close or the second electric damper to drive the toilet ring to open and close. According to the novel pedal type control cover lifting and ring lifting intelligent closestool, opening and closing control over the closestool cover and the seat ring is achieved through the metal pedal switch on the pedal mounting table, the switch is arranged on the mounting table, the collision situation is avoided, and the closestool is convenient to pedal.

The invention provides building engineering embedded exposed steel bar rust removal equipment, and relates to the technical field of building construction cleaning devices. An assembly supporting column is integrally arranged at one end of the top of the bearing base. The adjusting carrier seat is installed on one side of the assembling supporting column, an assembling carrier plate is installed on one side of the adjusting carrier seat, and a driving structure is installed on the top of the assembling carrier plate; the cleaning carrying cylinder is mounted on one side of the assembling carrying plate; a driving motor drives a driving connecting shaft to rotate, then a transmission fluted disc and a driving fluted disc are driven to rotate, a cleaning carrying cylinder arranged on the outer side of a steel bar in a sleeving mode is driven to rotate continuously, then a cleaning inner cylinder provided with a steel brush conducts rotating friction on the outer surface of the steel bar, and meanwhile an adjusting carrying base drives the cleaning carrying cylinder to move downwards; therefore, corrosion and rust on the outer side of the reinforcing steel bar can be rapidly and continuously cleaned, and the problems that at present, rust removal labor intensity is large, efficiency is low, safety is low during rust removal, and personal safety of rust removal workers cannot be guaranteed are solved.

The invention provides an intelligent protection device for electric power construction and maintenance, which includes a rotating handle, an adjusting screw, a deep groove ball bearing, a pedal seat, a fastening nut, an internal threaded pipe, a card seat, an upper clamping frame, a lower clamping frame, and a locking frame. Iron pins, cables, portable high-altitude protective fixed cover structure, static electricity collection temporary storage protector structure, self-locking sliding high-altitude tool lifting wheel structure and intelligent data transmission detection rod structure, the rotating handles are respectively The horizontal welding is on the left and right sides of the bottom of the adjusting screw rod. The setting of the carrying ring, protective plate and connecting plate of the present invention is beneficial to solve the problem that the operator still works at high altitude and in the open air due to the lack of high-altitude protection function. The protective plate and connecting plate can be carried to high altitude through the hand-held carrying ring, and used according to requirements , It can carry out protective work for high-altitude open-air operations to ensure the protective effect of operators, avoid rain or direct sunlight, and play a protective role.

The invention discloses a pedal driving device with a buffer adjustment function. The device comprises a pedal cover, a base and a frame driving mechanism which is arranged between the pedal cover and the base, wherein a pedal frame and a base frame respectively comprise two side walls, and are provided with an axial hole and a strip hole; a connecting rod I and a connecting rod II are buckled with each other to form an X-shaped connecting rod assembly; adjacent connecting assemblies form a connecting rod group; two connecting rod groups are respectively positioned on two sides of the pedal frame and the base frame; the pedal cover and the base respectively cover and coat the pedal frame and the base frame; a gate tube retainer and a gate wire fixing buckle are respectively arranged on two long slide shafts in the base frame; an upper spacing adjustment mechanism or a lower spacing adjustment mechanism are arranged on the pedal frame or the base frame. According to the pedal driving device, the pedal driving device which is driven by vertically stepping is convenient to use by smartly utilizing the relation between the connecting rods and sliding fit, and the design can fulfill flat appearance. The distance of the tail end of a gate wire on the long slide shafts can be adjusted according to requirement, so that driving strokes with different proportions can be realized.

The invention discloses a power-assisted transmission mechanism for an electric power-assisted bicycle, which is easy to accelerate and comfortable to ride. The transmission mechanism comprises a shell, a middle shaft, a main chain disk, a chain, a first bearing, a first one-way clutch, a power-assisted motor and a transmission chain disk, wherein the transmission chain disk is arranged on the power-assisted motor; the main chain disk is connected with the transmission chain disk through the chain and is provided with the first bearing; the middle shaft passes through the first bearing and isprovided with a torque cam mechanism with a resetting function; a driving wheel of the torque cam mechanism is fixedly connected with a sliding sleeve; a driven wheel is fixedly connected with the main chain disk; the first one-way clutch is arranged between the driving wheel and the middle shaft; a sensing device is arranged at a corresponding position of the sliding sleeve; and a signal processor is connected with the sensing device and the power-assisted motor through a circuit.

The invention relates to a fabrication technology of climbing tools. The technical proposal adopted by the invention is that a bracket for climbing is installed in a tree. The climbing ladder made according to the technical proposal of the invention has low cost and simple and convenient operation, can increase the interest of travel and leisure activity and is beneficial to physical exercise.