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78results about "Rotary transmissions" patented technology

Electrical pedal assist bicycle powertrain

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.
Owner:DRIVEN TECH INC

Cardan-type transmission for vehicle

The invention relates to a cardan-type transmission (200), comprising: - a first gear plate; - a second gear plate, and - a transmission shaft having a first gear wheel intended to engage with the first gear plate and a second gear wheel intended to engage with the second gear plate, wherein the second gear wheel comprises a hub and a plurality of teeth, characterised in that each tooth is movably mounted on the hub.
Owner:UNICY

Chain-free bicycle transmission shaft and bicycle

The invention discloses a chainless bicycle transmission shaft which comprises a transmission shaft assembly which is integrally and freely detachably mounted, 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.
Owner:YONGKANG ENGITC TECH CO LTD

Swingable shaft-driven tricycle

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.
Owner:NINGBO XINGLONG JUCHUANG ELECTRICAL TECH CO LTD

Drive system comprising a drive shaft and a chainring

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.
Owner:MIRANDA & IRMAO LDA

Swingable shaft-driven tricycle

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.
Owner:NINGBO XINGLONG JUCHUANG ELECTRICAL TECH CO LTD

Bilateral driving reciprocating motion type hub

The utility model discloses a bilateral driving reciprocating motion type hub which comprises a hub middle shaft rod, a hub wheel cylinder and a driving disc, the hub wheel cylinder is rotatably sleeved on the hub middle shaft rod, and four driven gears and two main transmission gears are installed on the hub middle shaft rod inside the hub wheel cylinder. The two main transmission gears are located on the two sides of the four driven gears, the front ends of the two main transmission gears are meshed with the four driven gears, meanwhile, the outer sides of the two main transmission gears are each provided with a driving disc, and the driving discs are located at the two ends of the hub wheel cylinder and rotatably installed on the hub middle shaft rod. And one end of the inner side of the driving disc is connected with the main transmission gear and is connected with the hub wheel cylinder through a ratchet wheel structure. According to the utility model, a circular motion type idle work part can be directly omitted, and the maximum power output angle is generated during the motion power generation for each step, so that the riding efficiency is improved to the maximum extent.
Owner:刘永安 +1

Swinging shaft-drive tricycle

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.
Owner:NINGBO XINGLONG JUCHUANG ELECTRICAL TECH CO LTD

Swingable shaft-driven tricycle

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.
Owner:NINGBO XINGLONG JUCHUANG ELECTRICAL TECH CO LTD

Transmission mechanism, vehicle body and running equipment

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.
Owner:IRIDING SHENZHEN TECH CO LTD

Drive system comprising a drive shaft and a chainring

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.
Owner:MIRANDA & IRMAO LDA

Drive device for electric bicycle, electric bicycle, method of assembling drive device, and method of setting drive device

In at least one embodiment, a drive device (1) for an electric bicycle (100) has a first housing element (41) and a second housing element (42) connected thereto. The drive device has a spacer element (5), a shaft (3) and a reversing gear (2) for coupling to the electric motor on the one hand and to the shaft on the other hand in such a way that a torque can be transmitted from the electric motor to the shaft via the reversing gear. The reversing gear has a first gear element (21) which can be rotated about a first axis (A1) and a second gear element (22) which is coupled thereto and which can be rotated about a second axis (A2) running at an angle to the first axis. The spacer element is arranged between two housing surfaces (410, 420) of the two housing elements facing each other in order to predetermine a minimum distance between the two housing surfaces. The transmission elements are coupled to the housing element such that a maximum gap between the two transmission elements is set by a predetermined minimum distance between the housing surfaces.
Owner:PORSCHE EBIKE PERFOMANCE GMBH

Hand-pulled recreational vehicle

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.
Owner:SHENZHEN AHUASHI HOLDINGS CO LTD

Novel crank middle shaft connecting structure

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.
Owner:YUYONG TECH (SHANGHAI) CO LTD

Motive power converting device

PCT designated stage expiredWO2025142148A1CyclesGearingGear wheelControl theory
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.
Owner:AISIN CORP

Easily-assembled swing-type tricycle

An easily-assembled swing-type tricycle, comprises a frame assembly, a wheel frame (4) arranged on the frame assembly, a transmission chamber arranged in the frame assembly and a transmission mechanism arranged in the transmission chamber; The frame assembly comprises a front frame (1), a swinging mechanism (3) and a gear box (2), the front frame (1) is connected to the gear box (2) through the swinging mechanism (3), and the gear box (2) is connected to the wheel frame (4). The transmission mechanism is arranged in the transmission chamber in the frame assembly, so that the transmission mechanism does not need to be mounted outside the frame, and the product is more compact in structure, the transmission mechanism can be pre-assembled in the transmission chamber before the product is packed and transported, reducing the assembly procedure by the consumer.
Owner:NINGBO XINGLONG JUCHUANG ELECTRICAL TECH CO LTD

Shock absorption device of power-assisted bicycle

The utility model discloses a power-assisted bicycle damping device which comprises a main bicycle frame and an auxiliary bicycle frame, a driving motor is installed in the main bicycle frame, output shafts are arranged on the two sides of the driving motor, the exteriors of the output shafts are connected through U-shaped clamping grooves, the main bicycle frame is provided with a bicycle frame rotating shaft fixing seat, and the bicycle frame rotating shaft fixing seat is connected with the auxiliary bicycle frame. The auxiliary frame is provided with an auxiliary frame rotating shaft, the frame rotating shaft fixing seat is rotatably connected with the auxiliary frame rotating shaft, the axis of the output shaft is overlapped with the axis of the auxiliary frame rotating shaft, and the output shaft and the auxiliary frame rotating shaft which are concentrically and non-coaxially arranged can ensure that the auxiliary frame rotating shaft is not in contact with the auxiliary frame rotating shaft when a vehicle jolts. The output shaft and the auxiliary frame rotating shaft move in a split mode, synchronous movement between the output shaft and the auxiliary frame rotating shaft is avoided, breakage of the output shaft in the long-term use process is avoided, and therefore the service life of equipment is prolonged.
Owner:KANGSAI KINETIC ENERGY (SUZHOU) TECH CO LTD

Novel motor reducer of electric motorcycle

The utility model discloses a novel motor reducer of an electric motorcycle, which comprises a driving motor, a transmission shaft is mounted on the driving motor, and a transmission gear is mounted on the outer side of the transmission shaft; a front end cover is installed on the driving motor, an output shaft is installed on the front end cover, an output gear is installed on the outer side of the output shaft, and the output gear is connected with the transmission gear in a meshed mode; the transmission gear drives the output gear to rotate, the diameter of the transmission gear is smaller than that of the output gear, and the single-stage speed reduction capacity can be achieved. The main bearing and the auxiliary bearing are half wrapped by the convex shape of the speed reducer shell, and the positions of the two bearings can be effectively limited, so that close fit between the transmission gear and the output gear is ensured, and disassembly, assembly and maintenance are convenient.
Owner:JIANGSU JIFENG NEW ENERGY VEHICLE TECHNOLOGY CO LTD

Sensorless control system for epicyclic pedal assist vehicle

A human-electric hybrid powertrain controller for a continuously variable transmission achieved with the use of an epicyclic gear set. The controller (56) makes use of relationships between the ratio motor (26), assist motor (28) and rider input to eliminate the need for expensive and complex rider torque sensors and rider cadence / speed sensors. The control of the two electric motors (26, 28) can produce smooth mixed rider and electric power in a variety of control schemes to suit various pedal assist vehicle applications.
Owner:DRIVEN TECH INC

Bicycle ridable from freely-selected direction

To establish a bicycle on which a rider can ride from a freely-selected direction of north, south, east, and west relative to the direction of travel, realize an agricultural bicycle that enables a rider to ride sideways and move ahead while performing fruit thinning or pruning, and realize an innovative bicycle that can be used in versatile applications.SOLUTION: A bicycle includes a drive system such as a saddle and pedals. A riding drive frame supporting a pedal shaft and a vertical rotation shaft that converts horizontal rotation of the pedal shaft into vertical rotation and a vehicle body supporting an axle that includes wheels are fixed in a freely-selectable mounting direction. This enables a rider to ride from any direction of north, south, east, and west relative to the direction of travel of the vehicle body and move ahead by pedaling.SELECTED DRAWING: Figure 1
Owner:矢継 正信

Electric motorcycle

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.
Owner:HANGZHOU YUFENG TUOJIE TECHNOLOGY CO LTD

A driver for a balanced driving system of an electric bicycle

PendingCN119773906AResilient element transmissionRotary transmissionsDrive wheelDrive shaft
A driver of a balanced driving system of an electric bicycle, the main structure of which is composed of a transmission shaft and a driving shaft, the two shafts form a cross-shaped structure with a shaft intersection angle of 90 degrees, and a bevel gear pair is used for transmission, and the bevel main and passive gears are respectively located on the transmission shaft and the driving shaft. A telescopic structure is arranged on the transmission shaft so that the spring steel wire flexible shaft always maintains reasonable straightness and tightness during operation; a mechanical transmission resistance blocking structure is arranged on the driving shaft so that the axial extrusion force and bending force generated when the driving wheel is running will not be transmitted to the bevel passive gear, so that the working conditions of the balanced driving functional unit remain stable; a torque limiting structure is arranged on the driving shaft so that the proportional torsion angle of the spring steel wire flexible shaft during operation is less than or equal to its rated value.
Owner:邓晓光

Family Bicycle

The present invention discloses a parent-child bicycle, which belongs to the technical field of bicycles and is designed to solve the problem that the existing tandem bicycle cannot drive the front wheel and the rear wheel separately. The parent-child bicycle of the present invention comprises a frame body composed of a front frame assembly and a rear frame assembly, the front frame assembly also comprises a front transmission structure, the front transmission structure is configured to transmit the rotation of the front pedal shaft to the front wheel to drive the front wheel to rotate; the rear frame assembly comprises a rear transmission structure, the rear transmission structure is configured to transmit the rotation of the rear pedal shaft to the rear wheel to drive the rear wheel to rotate. When the parent-child bicycle of the present invention is ridden by the parent and the child together, the child steps on the pedal installed on the front pedal shaft, and the power is transmitted to the front wheel; the parent steps on the pedal installed on the rear pedal shaft, and the power is transmitted to the rear wheel, the parent and the child can work together without interfering with each other, so that the child can get better exercise.
Owner:XUANCHENG DELAI AUTO PARTS CO LTD

Side-drive tricycle rear pressing bag capable of switching driving modes

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.
Owner:BEIJING KUOTIANXIA TRADING CO LTD

Hybrid power unit, hybrid straddle-ride vehicle, and hybrid power unit case

To increase assembly workability and design flexibility.SOLUTION: A hybrid power unit includes: an internal combustion engine; a power transmission shaft to which power from a crank shaft is transmitted and which is housed in a crank case; an electric motor including a motor drive shaft that protrudes from a motor housing to the lateral side and mounted on an outer surface of the crank case; a linkage extending through a passage hole of the crank case and configured to transmit power from the motor drive shaft to the power transmission shaft; and a shaft cover defining a shaft space that houses a portion of the motor drive shaft, which protrudes from the motor housing and detachably fixed to the outer surface of the crank case while overlapping the passage hole.SELECTED DRAWING: Figure 3
Owner:KAWASAKI MOTORS LTD

Gearbox with no break in torque

A gearbox having a primary shaft, a secondary shaft, gears forming the gear ratios, sliding gears providing the changes in gear ratio, and forks, each fork having a guide finger and a control barrel. The primary and secondary shafts are connected to one another by the gears. Each gear includes a wheel connected fixedly in terms of rotation to a shaft, and an idling pinion mounted on the other shaft. Each idling pinion includes claws. Each sliding gear collaborates with one or two idling pinions and is moved towards the associated one or two idling pinions by a fork. Each sliding gear includes claws that complement the claws of the idling pinion or pinions with which it collaborates. The barrel includes guide members, each guide member guides the guide finger of the fork. The assembly including the forks, sliding gears, idling pinions and guide members forms a gear selection system.
Owner:SAVARD FRANCK

Swiveling tricycle with shaft drive

Owner:NINGBO XINGLONG JUCHUANG ELECTRICAL TECH CO LTD

Tricycle capable of rolling

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.
Owner:YUAN MACHINERY CO LTD

A swingable shaft drive tricycle

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.
Owner:NINGBO XINGLONG JUCHUANG ELECTRICAL TECH CO LTD