18results about "Resilient element transmission" patented technology

The invention provides a carrying trolley driving mechanism with a demagnetizing sliding function. The carrying trolley driving mechanism comprises wheels and a driving structure for driving the wheels to rotate. A gear ring is detachably installed on the side face, close to the driving structure, of the wheel, a plurality of spring cavities are annularly formed in the gear ring at equal intervals, the top of each spring cavity is in threaded connection with a cover, a spring is installed in each spring cavity, a through hole with the polygonal cross section is formed in the bottom of each spring cavity, and a clamping rod is movably installed in each through hole; a turntable is arranged on the inner side of the gear ring; a plurality of wedge blocks are annularly arranged on the outer wall of the turntable at equal intervals; a first end body and a second end body are arranged at the two ends of the clamping rod, the first end body is of a wedge structure, and the second end body is movably clamped in the spring cavity; and under the elastic action of the spring, the first end body moves out of the through hole and is clamped with the wedge block. By means of the modular design of the spring, the clamping rod and the wedge block, the core pain points that in the prior art, pre-tightening force is uncontrollable, elastic elements are prone to damage, and maintenance is difficult are effectively solved.

The transmission unit comprises a continuously variable transmission having a drive pulley, a driven pulley, a drive belt between the drive pulley and the driven pulley, and a clutch having an input shaft, mechanically connected to the driven pulley, and an output shaft. The transmission unit further comprises a gear reducer with a plurality of gearwheels arranged between the output shaft of the clutch and a driven shaft adapted to be connected to a drive wheel. A flexible coupling device is associated with one of the gearwheels of the gear reducer.

The invention relates to a vehicle (F) which can be driven by drive energy provided by human muscle power and by an electric motor, in particular an electrically assisted bicycle, having a drive unit (1) in which a drive motor (27) and a drive shaft transmission (18) are nested in each other in a space-saving manner.

The present invention relates to a drive unit (1) of particularly narrow construction for a means of transport (F) that can be driven simultaneously by human muscle power and by drive energy provided by the electric motors, comprising two strain wave gears (13, 18) and two electric motors (22, 27), and that is capable of transmitting the sum of the human muscle power and the drive energy provided by the electric motors (22, 27) to an output driven shaft (12).

The invention relates to a drive unit (1) for a vehicle (F) which can be driven by drive energy provided by human muscle power and by electric motors, which drive unit is constructed particularly narrow and comprises two shaft transmissions (13, 18) and two electric motors (22, 27), wherein the drive energy provided by human muscle power and by electric motors (22, 27) can be transmitted together onto an output driven shaft (12).

The application provides an automatic internal gear box, which comprises a mounting shaft, an input mechanism, an output mechanism, a gear shifting mechanism and a gear shifting control mechanism; the gear shifting mechanism comprises at least a clutch, a first planetary gear train and a second planetary gear train; the gear shifting control mechanism comprises a driving unit, a first transmission unit, a control unit, a first clutch unit and a second clutch unit, the first transmission unit is connected with the driving unit; the second clutch unit is connected with the control unit, the first clutch unit is connected with the control unit in the axial direction and passes through the second clutch unit; the driving unit can drive the first transmission unit to rotate, so that the first planetary gear train is combined with the output mechanism; the driving unit can further drive the first transmission unit to rotate, so that the second planetary gear train is combined with the output mechanism. Compared with the prior art, the automatic internal gear box and the bicycle provided by the application do not have the phenomenon of "gear skipping" in the gear adjusting process, and the riding experience of the rider is better guaranteed.

The present invention relates to a bicycle gearbox (1000) comprising a housing (1100), which comprises two crankshaft openings (1110), configured to allow a crankshaft 1600 to pass through it. The gearbox further comprises a continuously variable transmission (1300) with an input pulley (1310), an output pulley (1330) and a V-belt (1320) connecting them, a chain sprocket (1500), configured to connect to a chain connecting to the rear wheel, and input gears as well as output gears. The input gears (1200) are configured to connect the crankshaft (1600) to the input pulley (1310) while increasing a rotational speed of the crankshaft (1600) and provide the increased rotational speed to the input pulley (1310). The output gears (1400) are configured to connect the output pulley (1330) to the chain sprocket (1500), while reducing a rotational speed of the output pulley (1330) and provide the reduced rotational speed to the chain sprocket (1500). In the invention, the output pulley (1330) is coaxial with the crankshaft (1600).

A drive arrangement (5) for an electric bicycle (1) has a motor unit (6) with an electric motor for driving the electric bicycle (1). The drive arrangement (5) further has a first transmission stage (10) and a second transmission stage (20), which are configured for driving the electric bicycle (1). The first transmission stage (10) is coupled on the one hand to the motor unit (6) and on the other hand to the second transmission stage (20). The second transmission stage (20) is configured on the other hand for transmitting torque for driving the electric bicycle (1). The second transmission stage (20) is configured as a shaft transmission and can be arranged coaxially with respect to an axis of rotation (8) of a pedal crank (4) of the electric bicycle.

The automatic internal transmission (100) includes a hub axle (10), an input mechanism (20), an output mechanism (30), a shift mechanism (40), and an automatic shift control mechanism (50). The shift mechanism (40) includes a first planetary gear train (41) and a second planetary gear train (42). The automatic shift control mechanism (50) includes a centrifugal block (501) and a clutch control unit (53). The centrifugal block (501) is connected to the output mechanism (30). The centrifugal block (501) is connected to the output mechanism (30) and is capable of rotating in a first direction relative to the output mechanism (30) to a first state to rotate the clutch control unit (53) and transmit driving force via the first planetary gear train (41), and the centrifugal block (501) is further capable of rotating in the first direction relative to the output mechanism (30) to a second state to further rotate the clutch control unit (53) and transmit driving force via the second planetary gear train (42). The bicycle includes a body and an automatic internal transmission (100).

The invention relates to a bicycle gearbox (1000) comprising a housing (1100) comprising two crankshaft openings (1110) for allowing a crankshaft (1600) to pass through the housing. The gearbox further includes a continuously variable transmission (1300) having an input pulley (1310), an output pulley (1330), a V-belt (1320) connecting them, a sprocket (1500) for connection to a chain (the chain being connected to the rear wheel), an input gear, and an output gear. The input gear (1200) is used to connect the crankshaft (1600) to the input pulley (1310) while increasing the rotational speed of the crankshaft (1600) and providing the increased rotational speed to the input pulley (1310). The output gear (1400) is used to connect the output pulley (1330) to the sprocket (1500) while reducing the rotational speed of the output pulley (1330) and providing a reduced rotational speed to the sprocket (1500). In the present invention, an output pulley (1330) is coaxial with a crankshaft (1600).

A narrow drive unit for a means of locomotion drivable simultaneously by drive energy provided by human muscular strength and by electric motors, comprising two harmonic gearings and two electric motors, wherein the sum of the drive energy provided by human muscular strength and the electric motors can be transmitted to an output shaft.

A freewheel is proposed as a freewheel clutch or freewheel brake for a bottom bracket gearbox (1) comprising an inner ring (3) and an outer ring (4), wherein the outer ring (4) has a locking toothing (5) extending along an inner circumference, and the inner ring (3) has several spring-loaded pawls (6) distributed around an outer circumference for engaging the locking toothing (5) of the outer ring (4) in a direction-dependent manner, and wherein the outer ring (4) is mounted on the inner ring (3). Furthermore, a bicycle or pedelec (2) with a bottom bracket gearbox (1) having at least one freewheel is proposed.

The present invention relates to a means of transport (F), in particular a pedelec, that can be driven simultaneously by human muscle power and by drive energy provided by an electric motor, and that comprises a drive unit (1) in which a drive electric motor (27) and a drive strain wave gearing (18) are nested within each other to save installation space.

A freewheel is proposed as a freewheel clutch or freewheel brake for a bottom bracket gearbox (1) with an inner ring (3) and an outer ring (4) and with at least one pawl (6) for engaging a locking toothing (5) in a direction-dependent manner. The inner ring (3), made of a harder material than the outer ring (4), has the locking toothing (5) extending along an outer circumference. The outer ring (3) accommodates the spring-loaded pawl (6) arranged on an inner circumference for engaging the locking toothing (5) of the inner ring (3) in a direction-dependent manner. Furthermore, a bicycle or pedelec (2) with a bottom bracket gearbox (number one) and a freewheel is proposed.

The present invention relates to a bicycle gearbox (2000, 3000) comprising a continuously variable transmission (2300) comprising an input pulley (1310), an output pulley (1330) and a V-belt (1320) connecting the input pulley (1310) and the output pulley (1330), the continuously variable transmission (2300) further comprising an input pulley axis (1314), on which the input pulley (1310) is mounted, the input pulley (1310) comprising a fixed sheave (1312) and a sliding sheave (1313), the sliding sheave (1313) being configured to slide on the input pulley axis (1314), and torque biasing means (2315, 3315A, 3315B), configured to bias the sliding sheave (1313) towards the fixed sheave (1312), when torque is applied from the input pulley axis (1314) to the input pulley (1310).

The present invention relates to a bicycle gearbox (2000, 3000) comprising a continuously variable transmission (2300) comprising an input pulley (1310), an output pulley (1330), and a V-belt (1320) connecting the input pulley (1310) and the output pulley (1330), the continuously variable transmission (2300) further comprising an input pulley shaft (1314), the input pulley (1310) being mounted on the input pulley shaft (1314), the input pulley (1310) comprising a fixed sheave (1312) and a sliding sheave (1313), the input pulley (1310) includes a fixed sheave (1312) for sliding on the input pulley shaft (1314), a sliding sheave (1313) for sliding on the input pulley shaft (1314), and torque biasing means (2315, 3315A, 3315B) for biasing the sliding sheave (1313) towards the fixed sheave (1312) when torque is applied to the input pulley (1310) from the input pulley shaft (1314).

A drive arrangement (5) for an electric bicycle (1) has a motor unit and a drive (10) for driving the electric bicycle (1). The drive arrangement (5) also has a transmission stage (20), wherein the drive (10) is configured to drive the transmission stage (20), which is configured to drive the electric bicycle (1). The transmission stage (20) is coupled to the drive (10) on the one hand and is provided for transmitting torque for driving the electric bicycle (1) on the other hand. The transmission stage (20) is configured as a shaft transmission, and the drive (10) and the shaft transmission can be arranged coaxially with respect to an axis of rotation (8) of a pedal crank (4) of the electric bicycle (1).

Crank mechanism with a crankshaft (5) for connection with at least one foot or hand crank and at least one gear wheel (1) driven by means of the crankshaft (5), characterized in that a coupling unit (10) is provided between the crankshaft (5) and the gear wheel (1), wherein the coupling unit (10) has, at least temporarily under load, an angular offset between a crank-side receiving area (11) and a delivery area (12) connected to the gear wheel (1) for receiving and delivering the torque generated by the crank. wherein a converter unit for converting the angular displacement into a change in magnetic flux and that a magnetic field-sensitive sensor for detecting the angular displacement is provided, characterized in that the converter unit comprises at least one magnet (15) and two mutually rotatable magnetic guiding elements (21, 22) which, within an air gap (25), change the shape of the air gap (25) depending on the angle by their shape and their relative angular position, wherein the magnetic field-sensitive sensor, in particular a Hall sensor (19) or the like, is provided to detect changes in a magnetic flux, and wherein the magnet is a ring magnet (15) arranged concentrically to the crankshaft (5), such that an outer return circuit (17) of the magnetic flux runs around the outer circumference of the ring magnet (15) and an inner return circuit (18) of the magnetic flux runs around the inner circumference of the ring magnet (15), wherein the angle-dependent changing area of ​​the air gap (25) is located in the area of ​​the outer return circuit (17) and the magnetic field-sensitive sensor (19) is located in the area of ​​the inner return circuit (18) or vice versa.