37results about "Rotary transmissions" patented technology

A human-electric hybrid powertrain with a continuously variable transmission achieved with the use of a bevel planetary gearset. Two electric motors are utilized to produce a hybrid powertrain with either a driveshaft, chain, or belt driveline. The electric motors combine to produce an infinitely variable range of gear ratios and power assistance to the operator.

A swingable shaft-driven tricycle, comprising a front frame (1), a rear frame (2), and a transmission mechanism, the front frame (1) is connected to the rear frame (2) through a swinging mechanism (3), the transmission mechanism comprises a front torque output assembly (4) arranged on the front frame (1) and a second torque output assembly (5) arranged on the rear frame (2), wherein the first torque assembly (4) transmits torque to the second torque output assembly (5) through a transmission shaft (6), and the second torque output assembly (5) is in linkage cooperation with at least one of two rear wheels (72). The tricycle solves the problem in the prior art that when swinging occurs between a front frame and a rear frame, a transmission agent needs to swing along with the frames, thus causing poor transmission reliability, and solves the problem in the prior art that a chain is prone to falling off when affected by jolts and vibrations, thus affecting riding experience or even safety.

The tricycle has a front chassis (1), a rear chassis (2) and a transmission mechanism, the front chassis (1) is connected to the rear chassis (2) by a swing mechanism (3), the transmission mechanism includes a first torque output assembly (4) provided on the front chassis (1) and a second torque output assembly (5) provided on the rear chassis, the first torque output assembly (4) transmits torque to the second torque output assembly (5) by a transmission shaft (6), and the second torque output assembly (5) is interlockingly engaged with at least one of two rear wheels (72). The tricycle solves the problem of low transmission reliability in the prior art, which occurs when swinging occurs between the front and rear chassis, because the transmission system needs to swing along with the chassis, and also solves the problem of the prior art, which is that the chain is easily dislodged due to swinging or vibration, which affects the riding experience and ultimately affects safety.

The present invention discloses a transmission mechanism, a vehicle body, and a traveling device, and relates to the technical field of traveling devices. The transmission mechanism includes a telescopic shaft assembly, a driving wheel, and a driven wheel; the telescopic shaft assembly can be extended and retracted along its axial direction; the driving wheel is meshedly connected to one end of the telescopic shaft assembly, and the driving wheel can rotate around its axis under external force, and cause the telescopic shaft assembly to rotate around the axis of the telescopic shaft assembly; the driven wheel is meshedly connected to the end of the telescopic shaft assembly away from the driving wheel, so that it can rotate around the axis of the driven wheel driven by the rotation of the telescopic shaft assembly, and the driven wheel is used to drive the rotation of external components. The present invention solves the technical problems of chain transmission in the prior art, such as the chain easily falling off and the large size.

A drive system comprising a drive shaft (21) and a chainring (1), wherein the drive shaft (21) has a splined interface (22) for attaching the chainring (1) in a rotationally fixed manner. The drive system has an annular adapter (2) having a radially inner surface with an interface (20) engaging the splined interface (22) of the drive shaft (21) and a radially outer region with at least one first connecting element, wherein the chainring (1) has at least one second connecting element configured to engage the first connecting element, wherein the drive system comprises a first annular adapter (2) with a first axial extension defining a first axial distance between the interface (20) and the first connecting element and a second annular adapter with a second axial extension defining a second axial distance between the interface (20) and the first connecting element.

The invention discloses a hand-pulled recreational vehicle. The hand-pulled recreational vehicle comprises a front wheel assembly, a rear wheel assembly, a steering mechanism, a pull wire driving mechanism, pedals and a seat. The hand-pulled recreational vehicle can obtain high speed by adopting the pull wire driving mechanism, so that the hand-pulled recreational vehicle can be used for exercise and fitness, can also be used for entertainment, and can also be used as a short-distance transportation means for riding instead of walk. The hand-pulled recreational vehicle obtains a brand new experience in the aspects of motility, interestingness, entertainment and irritation.

The utility model provides a novel crank middle shaft connecting structure which is characterized by comprising a crank, a middle shaft, a fastener and a dustproof cover, a fixing hole used for locking the middle shaft is formed in the end portion of the crank, the fixing hole is provided with a left section, a right section and a middle section communicated with the left section and the right section, and the diameter of the middle shaft is not smaller than that of the left section of the fixing hole. The fastening piece is provided with an inserting section and a limiting section, the diameter of the inserting section is not larger than the inner diameter of the stopping step, the outer wall of the inserting section and the inner wall of the inserting groove are provided with an external thread and an internal thread which are meshed with each other respectively, and the dustproof cover is arranged on a port of the right section of the fixing hole. And the clamping section is clamped with the limiting section. According to the utility model, the middle shaft can be dismounted from the crank by using a dismounting tool without dismounting the dustproof cover, so that the dismounting steps are simplified, the practical effect of the bicycle is improved, and the use experience of a user is improved.

This motive power converting device comprises a first input member (21a) that transmits a driving force to a first gear (G1), a second input member (21b) that transmits a driving force to a second gear (G2), a third gear (G3), a fourth gear (G4), an output member (41), a first one-way clutch (31), and a second one-way clutch (32), wherein: the first one-way clutch (31) is provided in a power transmission path between the third gear (G3) and the output member (41), and is configured to restrict relative rotation of a first rotation side (A2a) of the third gear (G3) relative to the output member (41) and to allow relative rotation of a second rotation side (A2b) thereof' and the second one-way clutch (32) is provided in a power transmission path between the fourth gear (G4) and the output member (41), and is configured to restrict relative rotation of the first rotation side (A2a) of the fourth gear (G4) relative to the output member (41) and to allow relative rotation of the second rotation side (A2b) thereof.

The invention provides an electric motorcycle which comprises a supporting frame, a driving assembly, a first transmission assembly and a second transmission assembly, and a front wheel and a rear wheel are rotationally arranged on the supporting frame; the driving assembly is connected with the supporting frame and located between the front wheel and the rear wheel. The driving assembly is in driving connection with the input end of the first transmission assembly; the output end of the first transmission assembly is connected with the input end of the second transmission assembly, and the output end of the second transmission assembly is connected with a hub of the rear wheel. The first transmission assembly comprises a transmission shaft and two universal joints located at the two axial ends of the transmission shaft. The problems that a chain transmission system in the prior art has periodic impact and non-uniform linear speed, obvious vibration and high-frequency noise are easily caused under the high-speed or high-load working condition, and the riding comfort is reduced are solved.

The utility model discloses a side-drive tricycle rear pressing bag capable of switching driving modes, which structurally comprises a first rear pressing bag shell, a first transmission shaft, a transmission mechanism, a limiting mechanism and an adjusting mechanism, the first rear pressing bag shell is movably connected with a second rear pressing bag shell, and the second rear pressing bag shell is movably connected with the first transmission shaft. One end of the first transmission shaft is rotationally connected with the first rear pressing and packaging shell and penetrates through the first rear pressing and packaging shell, the other end of the first transmission shaft is rotationally connected with a second transmission shaft, the second transmission shaft is rotationally connected with the inner side of the second rear pressing and packaging shell, and the transmission mechanism is connected with the first transmission shaft; the limiting mechanism is arranged at the joint of the first transmission shaft and the second transmission shaft, and the adjusting mechanism is movably connected with the limiting sleeve. The utility model belongs to the field of tricycle accessories, and particularly relates to a side-drive tricycle rear pressing bag capable of switching driving modes.

Provided is a tricycle including: a tricycle body having a first frame pivoted to a second frame, the first frame having a crank, at least one wheel shaft being rotatably arranged on the second frame; a first linkage assembly arranged on the first frame, the first linkage assembly having a first chain sleeving a first and a second chain wheels, the first chain wheel being coupled to the crank; a second linkage assembly arranged on the second frame, the second linkage assembly having a second chain sleeving a third and a fourth chain wheels, and the fourth chain wheel being coupled to the wheel shaft; and a transmission module having a first and a second universal joints connected to two ends of a telescopic cylinder respectively, the first universal joint being connected to the second chain wheel, and the second universal joint being connected to the third chain wheel.

A swingable shaft transmission tricycle comprises a front frame, a rear frame and a transmission mechanism, the front frame is connected with the rear frame through a swing mechanism, the transmission mechanism comprises a first torque output assembly arranged on the front frame and a second torque output assembly arranged on the rear frame, the first torque output assembly transmits torque to the second torque output assembly through a transmission shaft, and the second torque output assembly is connected with at least one of two rear wheels. The swingable shaft transmission tricycle provided by the application has the following advantages compared with the prior art: the problem that the transmission system needs to swing with the frame when the front frame and the rear frame swing in the prior art, resulting in poor transmission reliability, is solved; secondly, the problem that the chain is easily detached due to bumps and vibrations in the prior art, affecting the riding experience and even safety, is solved.

The utility model relates to the field of mechanical parts, in particular to a tricycle and motorcycle shaft forked piece type extrusion and warm forging piece which is high in production efficiency and comprises a forked piece, and two forked holes are symmetrically formed in the forked piece. And one end of the single-head shaft and the middle part of the forked piece are integrally formed. According to the scheme, the forked part and the single-head shaft are integrally formed, when the follow-up finish machining step of the forked part and the single-head shaft is carried out subsequently, the forked part and the single-head shaft can be carried out synchronously, and the machining period needed for machining the forked part and the single-head shaft separately is shortened; and meanwhile, the forked piece and the single-head shaft do not need to be welded, so that the steps and the period required by welding are reduced, and the machining cost is reduced.

The invention belongs to the technical field of bicycles, and discloses a double-person front-driving rear-steering bicycle which comprises a bicycle frame, a fixing shaft is movably installed in the bicycle frame, a flywheel set is fixedly installed on the outer surface of the fixing shaft, a rotating shaft is movably installed on the right side of the bicycle frame, and the two ends of a folding box penetrate through the interior of the bicycle frame. A chain gear is fixedly installed on the outer surface of the rotating shaft, a transmission gear is in transmission connection between the chain gear and the flywheel set, and pedals are fixedly installed at the two ends of the rotating shaft. Through precise cooperation of the rotating shaft, the chain gear, the transmission gear and the flywheel set, it is guaranteed that power is transmitted to the front wheel in a lossless mode, and the continuity of power transmission is further guaranteed through stable connection of the main shaft flywheel connecting piece and the folding frame; and secondly, a steering control system is flexible and accurate, and a steering handle rod is connected with the frame through a rear wheel steering pull rod to form a sensitive steering mechanism.

The utility model discloses an all-terrain vehicle. The all-terrain vehicle comprises a vehicle frame, a walking system, a power assembly and a transmission mechanism. The transmission mechanism comprises a drive axle and a transmission shaft assembly, the drive axle is in transmission connection with the engine through the transmission shaft assembly, and the drive axle is further in transmission connection with the walking system. The engine comprises an output shaft in transmission connection with the transmission shaft assembly. The drive axle comprises an input shaft in transmission connection with the transmission shaft assembly. The transmission shaft assembly comprises a first connecting piece, a second connecting piece, a first shaft body and a second shaft body, the first connecting piece is movably connected to one end of the first shaft body, and the second connecting piece is movably connected to one end of the second shaft body; the first connecting piece is provided with a groove body and an adjusting piece, the adjusting piece is provided with a gap communicated with the groove body, and the adjusting piece can adjust the gap to fix the position of the output shaft relative to the groove body so as to adjust the range of the included angle formed by the preset straight line and the datum plane. Through the arrangement, the service life of the transmission shaft assembly can be prolonged.

A power module of an electric assisted bicycle is disclosed and includes a pedal shaft, a housing, a motor, a reducer, a gear-plate-output shaft, a pedal-shaft first two-way bearing and an encoder component. The housing includes a partition portion extended along a radial direction to divide the housing into a motor accommodation portion and a reducer accommodation portion, respectively. The pedal shaft is disposed in the housing and passes through an end cap of the housing along an axial direction. An extension portion of the reducer is extended toward the end cap and connected to a supporting portion of the end cap through an input-shaft rear bearing. The supporting portion, the input-shaft rear bearing and the extension portion are sleeved from inside of an inner space of the housing to outside along the radial direction sequentially, so that facilitates axial directional configuration of the encoder component and increases usage space.

The present invention discloses a rear wheel buffer structure, which includes: a rear wheel, a connecting plate rigidly connected to the rear wheel, and a driving plate; the connecting plate is provided with a plurality of connecting posts protruding in the direction of the driving plate; the driving plate is provided with a receiving cavity matching the connecting plate, the receiving cavity is provided with a groove matching the connecting post, and the groove is provided with a buffer ring; when installed, the inner wall of the buffer ring is in close contact with the outer wall of the connecting post, and the outer wall of the buffer ring is in close contact with the inner wall of the groove. The present invention discloses a motorcycle, which includes the above-mentioned rear wheel buffer structure. The motorcycle and its rear wheel buffer structure of the present invention can solve the problem of easy damage to the connection position between the driving plate and the rear wheel.

The invention discloses a chain-free three-fold bicycle with a transmission shaft, which comprises a main bicycle frame, and the main bicycle frame is provided with a middle shaft part, a front wheel, a rear wheel and a handlebar, wherein the front wheel, the rear wheel and the handlebar are arranged in a folding manner; the transmission shaft is arranged between the middle shaft part and the rear wheel in a transmission manner and is used for transmitting power; the end, connected with the middle shaft part, of the transmission shaft can be rotationally folded with the middle shaft part assembly as the rotation center. According to the three-fold bicycle without the chain and the transmission shaft, the chain-free design is adopted, force transmission is conducted through the transmission shaft, stable force transmission can be achieved through the transmission shaft, chain-free transmission of the bicycle is achieved, meanwhile, the rear wheel, the front wheel and the handlebar are designed in a folding mode, three-fold operation of the bicycle can be achieved, and the bicycle is more convenient to unfold and fold; the occupied space is small and carrying is convenient.

The present invention provides an engine transmission mechanism, comprising an output component, a reverse gear component, and a thermal engine component; the output component is transmission-connected to the reverse gear component via a bevel gear component; the reverse gear component comprises a reverse gear housing, within which a reverse gear main shaft and a reverse gear secondary shaft are rotationally connected, the reverse gear main shaft and the reverse gear secondary shaft being transmission-connected via a reverse gear gear set; the output component is further connected to a power take-off component, comprising a power take-off output shaft and a power take-off gear disposed on the power take-off output shaft. The present invention also provides a motorcycle. By providing a thrust assembly, the present invention ensures that the driven bevel gear always maintains good meshing with the driving bevel gear, thereby avoiding damage to the gears due to rigid collisions between the gears, reducing gear damage and increasing gear life, thereby increasing the service life of the engine transmission mechanism and significantly reducing engine maintenance and replacement costs.

The invention provides a continuously variable transmission drive system (1) comprising a central friction drive disk (27); two rollers (159; 203) clamped against two opposite sides (30) of the drive disk (27) with their outer rims (169; 205) in friction-drive contact with drive disk (27) and being movable across the disk radius to alter the gear ratio; an input drive shaft (15) connected to the rollers (159; 203) for driving the rollers (159; 203); and a hinged clamping assembly (21; 23) which is associated with the drive shaft (15) and configured for forcibly clamping the two rollers (159; 203) around the drive disk (27) with a variable clamping force that is proportional to the input torque on drive shaft (15).

electric motorcycle in which a battery (60) is arranged in a position behind a handlebar (15) and in front of a seat (14), wherein a drive motor (11) is arranged under the seat (14), the drive motor (11) is arranged further forward than a rear end (30) of a frame (25, 25) which connects a head tube (23) and a turntable (21, 21) and is supported by a vehicle body frame (10) in a position overlapping the frame (25, 25) in a vehicle side view, the turntable (21, 21) extends downwards from the rear end parts of the frame (25, 25), and a lower part of a rocker arm (13) is supported by a mounting section (21a, 21a) provided in the turntable (21, 21), wherein a drive shaft (43) which transmits a drive force output by the drive motor (11) to a wheel (3) is supported by the rocker arm (13).

The invention refers to a device for increasing the efficiency of any rotary power generating system with progressive variation, whose planetary system may have two or more pairs of pinions, or / and satellites with any multiplication / demultiplication ratio with respect to the central pinion, characterized in that it consists of an assembled inner box, A, which is assembled axially in an assembled outer box, B, to which an assembled side box is axially fixed, C; assembled inner box, A, made of a primary drive shaft, (1), having a flange, by means of which the shaft is oriented and fixed on a cover, (2), in which, axially, is assembled a bearing, (3), and radially, in some bosses, a, processed cylindrically, are fixedly assembled some bearings, (4), in which, with a shoulder, conventionally right, son satellites, (15), are assembled, each of which, on a median shoulder, has assembled a bearing, (4′); axially, in the bearing, (3), is assembled an intermediate pinion, (6), which, to the left of its toothed crown, has assembled a second bearing, (18); in some bearings, (19), (FIG. 4) which are fixed in the cover, (2), are assembled some pinions, (14), which mesh both with the pinions, (15), and with the toothed crown of the intermediate pinion, (6); on the cover, (2), and oriented on the bearings, (4′), (18) and (19), is centered an intermediate cover, (5), which is firmly fixed to the cover, (2), by some screws, (13); on the cover, (5), being oriented and fixed a cylindrical wall, (20); on the conventional left side of each pinion, (15), one eccentric, (16), is fixed rigidly (FIG. 1, FIG. 4, FIG. 5, FIG. 6); after each eccentric, (16), on each pinion, (15), a bearing, (4″), is assembled; on each bearing, (4″), it is oriented, and on the cylindrical wall, (20), is oriented and fixed another cover, (21), in the center of which is assembled a bearing, (22), through which the intermediate pinion, (6), slides; assembled box, B, consisting of a cover, (23), oriented by means of a bearing, (24), on the primary motor shaft, (1), from the assembled inner box, A, cover, (23), on which it is oriented and fixed by means of screws, (25), with the conventionally right surface, an external cylindrical wall, (26), from which, on its conventionally left surface, a cover, (27), is oriented and fixed, by means of screws, (28); cover, (27), which is oriented by means of a bearing, (29), on the primary motor shaft, (1), and which, radially, has some bearings, (35), assembled; a spacer, (30), is interposed between the bearing, (22), and the bearing, (29), on the primary drive shaft, (1); after the bearing, (29), another spacer is assembled, (31), after which a unidirectional bearing, (7), then another spacer, (32), is assembled; assembled side box, C, consisting of a side cover, (36), provided with an axial hole, e, in which is mounted a bearing, (34), in which is assembled the output shaft, c, of a pinion, (11), in which a one-way bearing, (12), which works in the opposite direction to the one-way bearing, (7), is fixedly assembled; radially, on the same diameter on which the bearings are arranged, (35), but in the mirror, inside the side cover, (36), in some bosses, d, are mounted some bearings, (35′), in which are assembled some intermediate pinions, (9), which engages with third pinions, (10), also assembled in some bearings, (37), not shown in the figure, fixed radially in the side cover, (36); this assembled side box, C, is oriented, by means of the bearing, (12), assembled in the pinion, (11), on the primary motor shaft, (1), and, by means of the intermediate pinions, (9), in the bearings, (35), and, by means of the third pinions, (10), in some bearings, (37′), assembled in the cover, (27), and fixed to the cover, (27), by means of screws, (38).

The utility model discloses a chainless bicycle transmission shaft which comprises a transmission shaft assembly which is installed in an integral free detachable mode, the transmission shaft assembly comprises an assembly shell, a front transmission gear assembly and a rear transmission gear assembly, the front transmission gear assembly and the rear transmission gear assembly are in transmission connection through the transmission shaft assembly, and a hollow cavity is formed in the front transmission gear assembly. And the hollow cavity is matched with a driving piece in the middle of the bicycle. According to the chainless bicycle transmission shaft, the transmission shaft assembly can be directly arranged on the middle driving piece of the bicycle in a sleeving mode, the rear transmission gear assembly is directly arranged on the axle of the rear wheel, and therefore the transmission shaft assembly can be rapidly installed and conveniently disassembled, and the transmission shaft assembly can be suitable for various types of bicycles; and the free integral disassembly and assembly of the transmission shaft assembly are realized. The problem that an existing transmission shaft cannot be freely detached and integrally installed on a middle shaft and a middle gearbox of a bicycle is effectively solved.

A drive device for an electric bicycle has a first housing element and a second housing element connected thereto. The device has a spacer element, a shaft and a redirecting gearbox for coupling with an electric motor and the shaft so that a torque can be transmitted from the motor to the shaft via the redirecting gearbox. The redirecting gearbox has a first gear element rotatable about a first axis and a second gear element coupled thereto, which is rotatable about a second axis extending at an angle to the first axis. The spacer element is arranged between two mutually facing housing surfaces of the two housing elements in order to define a minimum distance between the two housing surfaces. The gear elements are coupled to the housing elements such that a maximum clearance between the two gear elements is set by the defined minimum distance between the housing surfaces.

The utility model relates to the technical field of motorcycles, in particular to a motorcycle transmission structure which comprises a protective shell, a transmission device is arranged on the inner side of the protective shell, the protective shell on the front side is rotationally connected with a wheel through a bearing, and a fixing plate and a bent plate are sequentially installed on the inner wall of the protective shell on the rear side from top to bottom. The inner wall of the protective shell on the front side is fixedly connected with an engine body. According to the motorcycle transmission structure, through cooperation of the protective shell and the transmission device, a first bevel gear rotates to drive a rotating rod to rotate so as to drive two third bevel gears to rotate, and the third bevel gears rotate to drive a fourth bevel gear to rotate so as to drive wheels to rotate, so that through cooperation of the rotating rod and the multiple bevel gears, the transmission process is more stable; the automobile seat is simple in structure, not prone to loosening and suitable for long-time high-load work, the probability that a user is injured in the driving process is reduced, and meanwhile large noise cannot be generated.

To provide a power conversion device with a simple configuration.SOLUTION: A power conversion device includes: a first input member 21a for transmitting drive force to a first gear G1; a second input member 21b for transmitting drive force to a second gear G2; a third gear G3; a fourth gear G4; an output member 41; a first one-way clutch 31; and a second one-way clutch 32. The first one-way clutch 31 is provided on a power transmission path between the third gear G3 and the output member 41, restricts a relative rotation of a first rotation side A2a of the third gear G3 with respect to the output member 41, and permits a relative rotation of a second rotation side A2b. The second one-way clutch 32 is provided on a power transmission path between the fourth gear G4 and the output member 41, restricts a relative rotation of the first rotation side A2a of the fourth gear G4 with respect to the output member 41, and permits a relative rotation of the second rotation side A2b.SELECTED DRAWING: Figure 1