65results about "Guards" patented technology

An electric vehicle including a frame; at least one ground-engaging member operatively connected to the frame; an electric motor operatively connected to the at least one ground-engaging member; an electric powerpack supported by the frame, the powerpack including: a battery pack defining a battery cooling channel; and a plurality of battery cells housed in the battery housing; a charger defining a charger cooling channel; an inverter including an inverter cooling channel, the battery cooling channel, the charger cooling channel, and the inverter cooling channel being fluidly connected together by rigid fluid connections; radiators fluidly connected to the battery cooling channel; a cooling circuit being formed at least in part by the battery cooling channel, the charger cooling channel, the inverter cooling channel, and the at least one radiator; and a pump fluidly connected to the cooling circuit for pumping liquid coolant through the cooling circuit.

A guard assembly for a chain and chain ring includes a bracket and a guard. The bracket and the guard are configured to move relative to one another. The movement is governed by a resilient spring placed to absorb and release impact energy imparted to the guard.

A straddle seat electric vehicle including an electric motor and an electric powerpack including a battery pack including a battery housing including a housing body, a cooling channel extending generally vertically through a center portion of the housing body, two covers selectively connected to the housing body; a plurality of cylindrical battery cells disposed in a two chambers defined by the housing laterally between the cooling channel and the first cover, each battery cell of the first plurality of battery cells extending generally orthogonally to the cooling channel and the first cover; one or more current collectors electrically connected to the first plurality of battery cells, the covers enclosing the current collectors and outer ends of the battery cells being electrically insulated from the at least one first current collector.

Systems, methods, and computer program products for providing synchronized lighting displays for velocipedes. One of a plurality of lighting units causes light emitting devices thereof to emit light according to a predetermined lighting pattern, and transmits a wireless signal including synchronization information for the predetermined lighting pattern. Each of the other lighting units receives the wireless signal, and in response thereto, emits light according to the predetermined lighting pattern. The predetermined lighting pattern emitted by the other lighting units is synchronized with the predetermined lighting pattern emitted by the one lighting unit using the synchronization information provided by the wireless signal.

The utility model discloses a tooth piece protective cover, which is arranged on one side of a tooth piece facing a rider, and is characterized in that a plurality of locking nuts are distributed on one side of a cover body of the protective cover facing the tooth piece, and the locking nuts and the cover body are integrated. On one hand, the metal locking nut integrated with the cover body is fixedly connected with the tooth piece, and on the other hand, the tooth part structure is arranged on the peripheral surface of the locking nut to change a torque transmission structure between the locking nut and the cover body when the locking nut is subjected to external force, so that the locking nut can be stably fixed on the cover body; the purpose of improving the connection performance between the protective cover and the tooth sheet is achieved.

A single-sprocket system for integration into a bicycle trainer, the system including a sprocket having teeth about a perimeter of the sprocket, a first planar side, and a second planar side, wherein the teeth of the sprocket are configured to engage a chain of a bicycle mounted to the bicycle trainer. The system further includes a first chain guide adjacent the first planar side of the sprocket, wherein the first chain guide is configured to re-engage the teeth of the sprocket with the chain when the chain has become disengaged from the teeth of the sprocket towards the first planar side, and a second chain guide adjacent the second planar side of the sprocket, wherein the second chain guide is configured to re-engage the teeth of the sprocket with the chain when the chain has become disengaged from the teeth of the sprocket towards the second planar side.

An electric vehicle including a frame; at least one ground-engaging member operatively connected to the frame; an electric motor operatively connected to the at least one ground-engaging member; an electric powerpack supported by the frame, the powerpack including: a battery pack defining a battery cooling channel; and a plurality of battery cells housed in the battery housing; a charger defining a charger cooling channel; an inverter including an inverter cooling channel, the battery cooling channel, the charger cooling channel, and the inverter cooling channel being fluidly connected together by rigid fluid connections; radiators fluidly connected to the battery cooling channel; a cooling circuit being formed at least in part by the battery cooling channel, the charger cooling channel, the inverter cooling channel, and the at least one radiator; and a pump fluidly connected to the cooling circuit for pumping liquid coolant through the cooling circuit.

A front assembly (18) for use with a rear module (20, 220) to form a riding vehicle (4, 204) is disclosed. The front assembly includes an elongate frame (24), a mount (54) disposed beneath the elongate frame, a head assembly (22) with a front wheel (6) and handlebar (10), and a seat (14) mounted relative to the elongate frame. The elongate frame terminates in two laterally spaced apart prongs (32) removably securable to connectors (36, 236) of the rear module. The connectors and elongate frame together constitute a bicycle frame (12, 212). The riding vehicle may be convertible between different configurations, such as a balance bicycle and a pedal bicycle, by interchanging rear modules. The rear modules may have different wheel sizes and connector geometries while maintaining compatibility with the front assembly. The riding vehicle may include features for partially encasing the mount in different configurations and may be foldable for compact storage.

The utility model discloses a split mounting type chain box which comprises a box body. The cover plate is arranged on the box body; the splicing structure is arranged on the box body and the cover plate and is convenient for splicing the cover plate and the box body; the assembling structure comprises a positioning boss arranged on the box body, a positioning groove formed in the cover plate and matched with the positioning boss, a lubricating opening formed in the box body and used for lubricating the chain conveniently, and a sealing cover detachably installed on the box body and used for blocking the lubricating opening. According to the split mounting type chain box, when lubricating oil needs to be added to a chain for maintenance, only the sealing cover needs to be taken down from the box body, then the lubricating oil can be added to the chain through the lubricating opening for lubrication maintenance, the whole chain box does not need to be detached from a bicycle, and operation is easy, convenient and rapid.

The invention relates to a traction drive unit with an eccentric tensioner, a vehicle with a traction drive unit and with an eccentric tensioner and a method for assembling a vehicle.

The invention discloses a multi-unit synchronous lighting display for a bicycle, and relates to a system, a method and a computer program product for enabling a bicycle to realize a synchronous lighting display. One of the plurality of lighting units causes a light emitting device thereof to emit light according to a preset lighting mode and emit a wireless signal including synchronization information of the preset lighting mode. And each other lighting unit receives the wireless signal and emits light according to the preset lighting mode. The preset lighting modes sent by other lighting units are synchronized with the preset lighting mode sent by one lighting unit through the synchronization information provided by the wireless signal.

The application discloses a motorcycle, which comprises a frame, a body cover, a walking assembly, a power assembly, a transmission assembly and a steering handle, the body cover comprises a chain wheel cover; the walking assembly comprises a rear wheel; the power assembly comprises an engine, the engine comprises an output shaft; the transmission assembly comprises a chain wheel and a chain, the chain wheel is connected with the output shaft of the engine and is connected with the rear wheel through the chain; the steering handle is located above the engine; the chain wheel cover is located on the left side of the engine and is fixedly connected with the engine; when viewed along the width direction of the motorcycle, the chain wheel cover covers at least part of the chain wheel and the chain; the motorcycle further comprises a control wire harness, one end of the control wire harness is connected with the steering handle, and the other end of the control wire harness is connected with the engine; at least part of the control wire harness is located between the chain wheel cover and the chain wheel, when viewed along the width direction of the motorcycle, the control wire harness at least partially overlaps with the chain, a fixing portion is formed on the chain wheel cover, and the control wire harness is clamped with the fixing portion. Through the arrangement, the driving safety of the motorcycle can be improved.

The utility model relates to a bicycle and particularly discloses an electric bicycle which comprises a bicycle body, a first chain wheel, a chain and a second chain wheel are arranged on the bicycle body, one end of the chain is arranged on the first chain wheel, the other end of the chain is arranged on the second chain wheel, the chain is annularly arranged, the upper side of the chain is arranged in a cross beam of the bicycle body, and the cross beam is transversely arranged. The cross beam is provided with a containing space, the upper side of the chain can be transversely arranged in the containing space and can be in transmission along the transverse space, a connecting beam is further arranged on the vehicle body, the vehicle head of the vehicle body and the cross beam are connected through the connecting beam, and a power source is arranged in the connecting beam. In addition, the power supply can be arranged in the connecting beam, a buckle plate can be arranged on the connecting beam and can be detached from the connecting beam, so that the power supply can be taken out and replaced, and the power supply is arranged at the position of the connecting beam, so that the power supply can be lighter as a whole.

A straddle seat electric vehicle including an electric motor and an electric powerpack including a battery pack including a battery housing including a housing body, a cooling channel extending generally vertically through a center portion of the housing body, two covers selectively connected to the housing body; a plurality of cylindrical battery cells disposed in a two chambers defined by the housing laterally between the cooling channel and the first cover, each battery cell of the first plurality of battery cells extending generally orthogonally to the cooling channel and the first cover; one or more current collectors electrically connected to the first plurality of battery cells, the covers enclosing the current collectors and outer ends of the battery cells being electrically insulated from the at least one first current collector.

The invention relates to a bicycle derailleur protector comprising an elongate base (1) with transverse upper plates (2) for coupling to the chain stay of the bicycle, and a screen (3) for front and side protection of the derailleur.

To provide a chain cover that can be easily attached and detached by the user. [Solution] The chain cover 1 comprises an inner shell 2 that connects to the bottom bracket B2 of the pedal system B1 of bicycle B, and an outer shell 3 that connects to the inner shell 2 and covers the outside of the chain B3. The outer shell 3 has two pairs of band receiving holes 51, 52 that serve as band receiving parts for wrapping and connecting bands 41, 42 to the seat stay B4 and chain stay B5.

The present invention relates to a vehicle with a traction mechanism unit (16), a method (60) for assembling the vehicle (F), a method (65) for avoiding pedal kickback in the vehicle (F), a method for transmitting drive torque of a single or multi-track vehicle through a traction mechanism unit (16), and a method for eliminating interaction between a drive train with a traction mechanism unit (16) and a suspension / damping system (10) in a single or multi-track vehicle (F), and the corresponding traction mechanism unit (16).

The invention relates to the technical field of bicycle chain auxiliary devices, in particular to a bicycle chain wrapping type protection device which comprises a device body, a rear support is arranged on one side of the device body, a mounting piece is arranged on the rear support, and the device body and the rear support are jointly and movably connected with a plurality of unit components. The device comprises a device body and a plurality of unit components, the unit components are connected end to end to form a wrapping chain, the device body comprises a body upper arm, the body upper arm is connected with a body lower arm through a body connecting part, the wrapping chain composed of the unit components tightly wraps the chain, the chain and the meshing position of the chain, a fluted disc and a flywheel can be completely shielded, and the safety protection effect is achieved; due to blocking of the wrapping chain, clothes and bodies can be effectively prevented from being contaminated by dust and greasy dirt, and the device has the advantages of being tight in assembly, complete in covering, controllable in cost, simple, attractive and the like.

The utility model belongs to the technical field of bicycle accessories, and discloses a bicycle scratch-proof chain box sheet which comprises a chain box body which is made of light composite materials and is of an arc-shaped sheet structure. The anti-skid layer is arranged on the inner side of the chain box main body; the multiple flow guide grooves are formed in the chain box body, extend in the length direction of the chain box body and guide airflow and block external dust; the chain box main body is connected with a bicycle frame through the mounting assembly, the mounting assembly comprises an elastic buckle and a fixing bolt, a composite material of the chain box main body is formed by mixing nylon and glass fibers according to the proportion of 3: 1 in an injection molding mode, the surface of the chain box main body is coated with an ultraviolet-proof coating, the anti-skid layer is made of silica gel or rubber, and anti-skid grains are formed on the surface of the anti-skid layer. By means of the double-buffering structure of the anti-skid layer and the honeycomb-shaped damping layer, the hard chain box is prevented from making direct contact with the frame, the magnetic flow guide grooves are combined to actively adsorb metal chippings, and the scratch risk is reduced.

The utility model provides an urban bicycle capable of reducing chain noise, which belongs to the technical field of bicycles and comprises a bicycle body unit, a bicycle frame, a seat cushion movably mounted at the top of the bicycle frame and a handlebar hinged to the top of the bicycle frame. And the protection unit comprises a closed chain cover fixedly mounted on the outer side of the frame. Rainwater and dust are effectively isolated through the closed chain cover, and friction abnormal sound generated when the chain operates is reduced; the oil storage box is matched with the lubricating cotton block, so that abrasion and corrosion of the chain are reduced through dynamic lubrication, and abnormal sound caused by insufficient long-term lubrication is avoided; the adjustable design of the bolt and the threaded seat ensures that the tensioning degree of the chain is stable, and mechanical noise generated by loosening is avoided; the detachable shell cover is convenient to clean and maintain, dirt accumulation is prevented from intensifying noise, the chain noise problem is radically solved from the four aspects of physical sound insulation, continuous lubrication, rust and corrosion prevention and mechanical stability, the riding comfort is remarkably improved, and interference to the urban sound environment is reduced.

The invention relates to a vehicle with a traction mechanism unit (16), a method (60) for assembling a vehicle (F), a method (65) for avoiding pedal kickback in a vehicle (F), a method for transmitting the drive torque of a single-track or multi-track vehicle via a traction mechanism unit (16), a method for eliminating the interaction between the drive train with a traction mechanism unit (16) and the suspension / damping device (10) in a single-track or multi-track vehicle (F), and a corresponding traction mechanism unit (16).

An all-terrain vehicle includes a chassis, an engine, and a ground engagement member. The vehicle features a drivetrain that operatively connects the engine to the ground engagement member to deliver propulsive power. The drivetrain comprises a first shaft with a first bearing housed in a fixed bearing retainer and a second shaft with a second bearing housed in a rotatable eccentric bearing retainer. The center of the second bearing is offset from the center of the eccentric bearing retainer, allowing for the adjustment of the distance between the first and second shafts by rotating the eccentric bearing retainer. This configuration enables precise control over the drivetrain alignment, enhancing the vehicle's adaptability to various terrain.

A front assembly for use with a rear module to form a riding vehicle is disclosed. The front assembly includes an elongated frame, a carriage underneath the elongated frame, a head assembly with a front wheel and a handlebar, and a seat mounted relative to the elongated frame. The ends of the elongated frame are two laterally spaced forks that are removably secured to the connectors of the rear module. And the connecting piece and the slender frame jointly form a bicycle frame. By interchanging the rear modules, the riding vehicle can be switched between different configurations, such as a balance bicycle and a pedal bicycle. The rear module may have different wheel sizes and connector geometries while maintaining compatibility with the front assembly. The riding vehicle may include components for partially enclosing the bracket in different configurations, and may be folded for compact storage.

A front assembly for use with a rear module to form a riding vehicle is disclosed. The front assembly includes an elongate frame, a mount disposed beneath the elongate frame, a head assembly with a front wheel and handlebar, and a seat mounted relative to the elongate frame. The elongate frame terminates in two laterally spaced apart prongs removably securable to connectors of the rear module. The connectors and elongate frame together constitute a bicycle frame. The riding vehicle may be convertible between different configurations, such as a balance bicycle and a pedal bicycle, by interchanging rear modules. The rear modules may have different wheel sizes and connector geometries while maintaining compatibility with the front assembly. The riding vehicle may include features for partially encasing the mount in different configurations and may be foldable for compact storage.