146 results about "Three-wheeled car" patented technology

An electric vehicle (e.g., a tricycle, or a car) includes a frame portion having a first side and a second side. A first rear wheel is disposed rearward relative to the frame portion at the first side. A second rear wheel is disposed rearward relative to the frame portion at the second side, the second rear wheel being spaced from the first rear wheel with a wheel base width therebetween (e.g., in a range from 260 mm to 900 mm). A first swing arm is pivotably coupled to the frame portion at the first side and operably coupled to the first rear wheel and extending between the frame portion and the first rear wheel. A second swing arm pivotably coupled to the frame portion at the second side and operably coupled to the second rear wheel and extending between the frame portion and the second rear wheel.

A recumbent tricycle assembly for safely and comfortably riding in a reclined position includes a frame having a front portion that is pivotably coupled to a rear portion. A wheel assembly is rotatably coupled to the frame. The wheel assembly includes a pair of front wheels and a rear wheel. A steering assembly includes a left-hand grip bar and a right-hand grip bar. Manipulation of the left-hand grip bar and the right-hand grip bar steers the frame. A seat is positioned between the front wheels and the grip bars such that each of the left-hand grip bar and the right-hand grip bar is accessible to the user when sitting in the seat. A drive assembly mechanically coupled to the wheel assembly rotates the pair of front wheels and the rear wheel. A brake assembly coupled to the wheel assembly halts rotation of the wheel assembly.

A three-wheeled vehicle and a steering control method and apparatus therefor. In the control method, a target steering angle of a steerable wheel (5) during differential steering and a steering vehicle speed of a three-wheeled vehicle are acquired; the target steering angle and the steering vehicle speed are input into a speed calculation model, so as to obtain a first steering speed of a first driving wheel (102), a second steering speed of a second driving wheel (104) and an angular velocity of a vehicle chassis; on the basis of the angular velocity, a steering curve of the steerable wheel (5) is determined; and since the steering curve is a curve of a deflection angle of the steerable wheel (5) changing over steering time, and on the basis of the first steering speed and the second steering speed, the first driving wheel (102) and the second driving wheel (104) can be controlled to implement differential steering, and on the basis of the steering curve, the steerable wheel (5) can be controlled to deflect along with the differential steering .

The invention belongs to the field of three-wheel electric vehicle performance testing, and particularly relates to a three-wheel electric vehicle component performance testing device which comprises three sets of testing rails and a weight box, the testing rails are arranged side by side, and the bottoms of the three sets of testing rails are jointly and fixedly connected with a rectangular supporting frame. A plurality of concave surface areas and a plurality of convex surface areas are arranged at the upper part of the test track, the plurality of concave surface areas and the plurality of convex surface areas are distributed in a staggered manner, an electric telescopic rod is arranged on the outer side of each of four corners of the support frame, telescopic ends of the four electric telescopic rods are jointly and fixedly connected with a rectangular fixed frame, and a sliding frame is movably arranged on the fixed frame. According to the invention, the test track can be simulated based on the real road driving condition of the three-wheeled electric vehicle, so that the frame and the suspension system in the three-wheeled frame assembly can fit the actual working state as much as possible during testing, and the real performance data of the three-wheeled frame assembly can be more fully and accurately tested.

A three-wheeled vehicle includes a vehicle frame supported by a single wheel engaging the ground in the front and two wheels engaging the ground in the rear. The operator area of the vehicle may include seating for a driver and a passenger, one in front of the other. The three-wheeled vehicle is uniquely designed so that it can be easily modified by addition or removal of additional structures after it is purchased. The vehicle is ultra-narrow but achieves stability by unique mechanisms.

The present invention discloses an active roll steering device and an unmanned three-wheeled vehicle, wherein the active roll steering device comprises a mounting frame, a wheel, an active steering mechanism and an active roll mechanism; the active steering mechanism is arranged on the mounting frame, and the active steering mechanism is used to drive the wheel to rotate; the active roll mechanism is arranged on the mounting frame, and the active roll mechanism is used to drive the active steering mechanism to tilt, thereby driving one of its wheels to tilt; by arranging the active steering mechanism to drive the wheel to rotate, the vehicle can actively control the steering of the wheel, and by arranging the active roll mechanism to drive the active steering mechanism, the wheel can be controlled to tilt without affecting the steering of the wheel, and when the vehicle turns, the vehicle can be actively tilted to avoid overturning due to excessive vehicle speed or excessive vehicle tonnage, the safety performance is higher, the vehicle roll angle and the rotation angle can be actively adjusted, and the vehicle has higher maneuverability and flexibility.

The utility model relates to a front damping device for a three-wheeled passenger car, which belongs to the technical field of tricycles and comprises a steering shaft, a lower connecting plate, two front arms, two swing arms, a damping shock absorber, a hub set, a brake set, a fender, a swing arm bearing and a wheel. The steering shaft is fixedly installed on the lower connecting plate, the two front arms are fixedly installed on the lower connecting plate, the swing arms are rotationally connected to the front arms, the hubs are arranged on the swing arms, the damping shock absorbers are hinged between the front arms and the swing arms, the mud guards are fixedly connected to the inner sides of the front arms, and the hubs are rotationally connected to the swing arms. According to the front damping device for the three-wheel passenger car, when a front wheel jumps up and down, jumping is achieved by means of up-and-down rotation of the circle center of the swing arm, and the front damping device is connected with a damping shock absorber with rubber sleeves installed at the two ends, so that the stability and comfort of a car body are improved; vibration of the frame and the vehicle body is reduced, and driving and steering comfort is improved.

The present invention discloses a movable vehicle chassis, a chassis assembly and a vehicle. The chassis includes two side plates for connecting wheel hubs, an upper truss is hinged between the upper ends of the two side plates, and lower trusses are hinged at the lower ends of the two side plates. The distal ends of the lower trusses form free ends, and the two lower trusses are arranged opposite to each other; a middle truss is hinged between the distal ends of the two lower trusses, and the middle truss is connected to a support bar extending upward, and the support bar is hinged to the middle part of the upper truss. The chassis assembly also includes a front chassis and front wheels, and the vehicle also includes a drive system, a steering system, a brake system and a vehicle roof. The chassis can be swung and adjusted according to the driving state of the vehicle, and has adaptive adjustment capabilities; when moving at medium and high speeds, it can increase friction and effectively reduce the turning radius; the device is cleverly designed and can be widely used in the fields of tricycles, trailers, etc., and has broad application prospects.

This utility model belongs to the field of tricycle technology and discloses a braking linkage system and a tricycle. The braking linkage system includes a handlebar, a diverter valve, a front disc brake, a junction box, a left rear drum brake, and a right rear drum brake. The handlebar includes a grip and a handbrake lever. The diverter valve has a first valve core and has a main oil port, a front diverter oil port, and a rear diverter oil port. Rotating the handbrake lever can drive the first valve core to move, so that the front diverter oil port and the rear diverter oil port are connected to the main oil port. The front diverter oil port is connected to the front disc brake through a front outlet pipe. The junction box has an inner cavity and a piston. The piston is connected to the left rear drive wire and the right rear drive wire. The rear diverter oil port is connected to the inner cavity. The left rear drum brake is connected to the left rear drive wire, and the right rear drum brake is connected to the right rear drive wire. The tricycle includes the above-mentioned braking linkage system. This braking linkage system can realize the linkage braking of the front wheel, left rear wheel, and right rear wheel of the tricycle, with good braking performance and high safety.

1. The name of the product of this design: the main body of the disc brake caliper. 2. Purpose of the product of this design: The overall purpose of this product is a caliper used in disc brakes of vehicles such as automobiles, motorcycles, tricycles, three-wheeled off-road vehicles, four-wheeled off-road vehicles, bicycles with engines, golf carts, etc., and the local purpose is the main body of the disc brake caliper. 3. The key design feature of this design product lies in the shape of the part for which protection is requested. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. Other situations that need explanation: This design requests partial design protection. The part indicated by the solid line is the part requested for protection, and the part indicated by the dotted line is the part not requested for protection.

This utility model discloses a three-wheeled vehicle canopy anti-drip spraying device, which includes: a paint tank, with symmetrically mounted clamping plates on the front of the left and right sides of the paint tank; a pressure pad is fixedly attached to the upper middle part of the opposite side of each clamping plate; a U-shaped groove is fixedly connected to the opposite side of each pressure pad; the groove of each U-shaped groove is filled with a sponge block; a track seat is symmetrically fitted and fixedly mounted in a cross shape on the top of the opposite side of the clamping plate; an electric guide rail is mounted on the upper part of the opposite side of each track seat; an electric slider is fitted on the inner side of each electric guide rail; a collection cylinder is fixedly connected to the right side of the electric slider in the front-back direction; and a multi-hole parallel linear nozzle is fixedly connected to the right side of the collection cylinder in the front-back direction. The device sprays the paint onto the outer surface of the canopy in one go, completing an efficient and uniform spraying operation. At the same time, it absorbs the naturally seeping, undried paint to prevent it from accumulating and dripping onto the vehicle compartment or the ground, causing pollution problems.

1. Name of the product in this design: Main body of a support component for a wheel. 2. Application of this design: This product is intended to be used as a support component for the front wheels of vehicles such as automobiles, motorcycles, tricycles, three-wheeled off-road vehicles, four-wheeled off-road vehicles, bicycles with engines, and golf carts, to support the suspension, axles, and disc brakes. Its local application is as the main body of a support component for wheels. 3. The key design features of this product are the shape of the part that is to be protected. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. Other situations requiring explanation: This design patent requires partial design protection. The parts indicated by solid lines are the parts that require protection, and the parts indicated by dashed lines are the parts that do not require protection.

The invention discloses an unloading structure of an electric tricycle, belonging to the technical field of electric tricycles, comprising: a carriage, a connecting frame is installed on the lower side of the carriage; a frame, the frame and the connecting frame are hinged to each other; two clamping rods, the two clamping rods are both installed on the frame, the clamping rod comprises a clamping portion and an extension portion, and the clamping rod is rotatably installed on the frame with the connection between the clamping portion and the extension portion as the center of a circle; two clamping blocks, the two clamping blocks are installed on the connecting frame and are respectively movably clamped with the clamping portions of the corresponding clamping rods; two top plates, the two top plates are fixedly installed on the connecting frame and are respectively located above the two clamping rods; wherein, when the clamping rod rotates, the clamping rod first disengages from the clamping block, and then the clamping rod applies an upward pressing force to the top plate to assist the carriage to rotate, and when the carriage is turned up, the user can assist the carriage to turn up by stepping on the rotating rod, and in the process of the carriage turning back, the carriage can have a buffering effect, thereby reducing the impact force of the carriage on the frame.

The utility model provides a three-wheel scooter damping device and a frame, and relates to the field of tricycles, the three-wheel scooter damping device comprises two upper connecting rod groups, a lower connecting rod group and a first buffer piece, the two upper connecting rod groups are symmetrically arranged on two sides of a vertical rod at the front end of the tricycle; the inner ends of the upper connecting rod groups sleeve the vertical rods through upper connecting pieces, and the outer ends of the upper connecting rod groups are connected with wheels; the two lower connecting rod sets are symmetrically arranged on the two sides of the vertical rod. The inner ends of the lower connecting rod groups sleeve the vertical rods through lower connecting pieces, and the outer ends of the lower connecting rod groups are connected with wheels; the inner end of the upper connecting rod group and the inner end of the lower connecting rod group relatively slide along the vertical rod; and the first buffer piece is arranged between the upper connecting rod group and the lower connecting rod group. The damping device is rotationally installed below the vertical rod, the front wheel can be steered, meanwhile, the damping effect on the front wheel can be achieved, meanwhile, the damping device can incline within the range of 35 degrees, and a damping spring is installed at the position of the rear bottom fork and used for buffering the rear wheel.

The invention discloses an unmanned tricycle intelligent driving bag system based on visual navigation, and particularly relates to the technical field of intelligent driving, the unmanned tricycle intelligent driving bag system comprises a visual perception unit, a central control module and an execution control interface, and the central control module comprises an environment perception module, a positioning and mapping module and a path planning and decision module. According to the invention, by integrating the visual perception module, the central control module and the precise execution module, autonomous reverse driving of the tricycle in a complex environment is realized. By means of a high-precision vision and inertial measurement unit fusion technology, the system can complete three-dimensional environment perception, accurate positioning and mapping, accurate obstacle recognition and collision-free path planning, especially can perform look-ahead avoidance on dynamic obstacles, and remarkably improves operation safety and operation accuracy.

The utility model relates to the technical field of electro-tricycle body accessories, in particular to a durable electro-tricycle headlamp installation support which comprises sleeves, the sleeves are arranged in pairs and arranged on the tops of two front reduction gears in a sleeved mode respectively, the outer wall of each sleeve is provided with a supporting plate extending towards the front of an electro-tricycle, and the supporting plates are arranged on the outer walls of the sleeves respectively. Mounting holes which correspond to each other are formed in the supporting plates; the outer reinforcing ribs are arranged along the edge of the supporting plate and are connected with the outer wall of the sleeve; the supporting plate, the outer reinforcing rib and the outer side wall of the sleeve form a shell structure. The two sets of outer reinforcing ribs are arranged on the sides, close to each other, of the two supporting plates correspondingly. Through the combination of the inner reinforcing ribs and the outer reinforcing ribs, the anti-twisting strength of the supporting plate is improved, and therefore stable supporting force is provided for a headlamp.

The present application relates to a kind of parallel front wheel active roll chassis, belong to vehicle chassis technical field, especially to the category of vehicle roll drive and control technology, by a group of front wheel steering roll mechanism and a group of rear wheel active roll mechanism on the same vehicle according to given wheelbase front and rear arrangement, share the same vehicle vertical plane, rear wheel track is far greater than front wheel track, through the linkage roll mode of vehicle body and wheel, rear wheel active roll mechanism controls vehicle body roll, front wheel steering roll mechanism adaptive roll, realize vehicle steering and vehicle body roll independent control, by parallel front wheel steering, adaptive roll, double rear wheel drive, active roll, form the parallel front wheel active roll chassis with positive tricycle characteristics;Small wheel track parallel front wheel steering, roll technical measures, retain the single wheel adaptive roll characteristics, have the effect of small power consumption of roll drive and control, improve the adhesion and carrying capacity of active roll positive tricycle vehicle.

1. The name of the design product: the main body of the axle bracket. 2. The use of the design product: the overall use of the product is an axle bracket used in the suspension of a vehicle such as a car, a motorcycle, a tricycle, an all-terrain vehicle, a four-wheel off-road vehicle, a bicycle with an engine, a golf cart, etc., and the partial use is the main body of the axle bracket. 3. The design points of the design product: the shape of the claimed partial design. 4. The picture or photo that best indicates the design points: Figure 1. 5. Other circumstances that need to be explained: The design claimed is a partial design, the solid line represents the part claimed, and the dashed line represents the part not claimed.

The invention provides a linkage brake device of a three-wheeled vehicle. The front brake unit is arranged on a front wheel and defines a first flow channel and a second flow channel, the rear brake unit is arranged on two rear wheels and defines two inner flow channels, the front operating mechanism is connected with the front brake unit, the control valve is communicated with the second flow channel and the inner flow channels, and the rear operating mechanism is connected with the control valve. And the pedal mechanism is connected with the control valve. The front operating mechanism comprises a front brake pump communicated with the first flow channel and a front pull rod capable of braking the front wheel. The rear operating mechanism comprises a rear brake pump communicated with the inner flow channels and a rear pull rod capable of braking the rear wheels. The pedal mechanism comprises a foot brake master cylinder communicated with the control valve and a pedal rod which is connected with the foot brake master cylinder and can brake the front wheel and the rear wheels at the same time.

This utility model discloses a pushrod-type rear-wheel steering drift vehicle, including a front wheel assembly, a mid-section assembly, a rear wheel assembly, and a steering mechanism. The front wheel assembly is fixedly connected to the mid-section assembly via a fixed connection mechanism, and the rear wheel assembly is rotatably connected to the mid-section assembly via the steering mechanism. A steering limiting mechanism is provided between the mid-section assembly and the rear wheel assembly. This utility model systematically solves the pain points of traditional drift tricycles, such as high transportation costs, steering loss of control risks, and braking safety hazards, through three major innovations: modular structure, mechanical limiting, and integrated operation. Especially for the high-intensity and high-dynamic requirements of drifting, it significantly improves safety and handling reliability while ensuring lightweight structure.

The present invention provides a manual three-wheeled motorcycle, belonging to the technical field of three-wheeled vehicles. A manual three-wheeled motorcycle comprises a vehicle body, a single-wheel suspension structure, a double-wheel suspension structure, an adjustment component and a direction control device; the present invention arranges a single-wheel suspension structure with a front wheel and a double-wheel suspension structure with a rear wheel at the front and rear ends of the vehicle body respectively, and arranges an adjustment component connected to the double-wheel suspension structure and a direction control device for controlling the steering of the front wheel and acting on the adjustment component on the vehicle body, so that when the front wheel is turned, the adjustment component can be pulled by the direction control device, and the double-wheel suspension structure can be driven to deflect toward the opposite side of the steering direction, so that the vehicle body tilts toward the steering direction, so that the force of the vehicle is balanced, the damage of the structural components is prevented, the service life is extended, and the safety accidents such as rollover are avoided, and the counterweight of the vehicle is increased, so that the stability of the vehicle is higher, which is more conducive to the use and promotion of the vehicle.

The invention discloses an electric three-wheel carrying vehicle with a protection structure, relates to the field of electric three-wheel carrying vehicles, and provides the following scheme aiming at the problems that an existing electric three-wheel carrying vehicle is not provided with a protection mechanism, is difficult to go out under the weather conditions of rainy days and sunny days, and carries a small number of goods at a time. The device comprises a tricycle body and a trailer, fixing blocks are arranged on one side of the top of the tricycle body, a protective roller shutter is connected between the fixing blocks, a first trailer block is arranged on one side of the bottom of the tricycle body, a second trailer block is installed on the top of the first trailer block, the trailer is arranged on one side of the second trailer block, and a transmission groove is formed in the inner side of the trailer. A transmission screw rod is connected into the transmission groove in a penetrating mode, and a clamping plate is installed on one side of the transmission screw rod. The trailer is novel in structure, the protective roller shutters can be opened and closed according to willingness of a user, protection can be conducted according to different weather conditions, and conveyed goods can be clamped and fixed through the trailer.

The application relates to the field of vehicles, in particular to a rear wheel modular replaceable vehicle. The vehicle comprises a vehicle frame, a cushion arranged on the top of the vehicle frame, a front wheel connected to the front part of the vehicle frame, and a rear wheel assembly a or a rear wheel assembly b detachably connected to the rear part of the vehicle frame; the rear wheel assembly a comprises a rear wheel a, a wheel frame a and a shock absorber a, the rear wheel a is rotationally arranged on the wheel frame a, the front end of the wheel frame a is rotationally connected with the vehicle frame, the top end of the wheel frame a is rotationally connected with one end of the shock absorber a, and the other end of the shock absorber a is rotationally connected with the vehicle frame; the rear wheel assembly b comprises a rear wheel b, a wheel frame b and a shock absorber b, two rear wheels b are arranged in parallel along the axial direction, the rear wheel b is rotationally arranged on the wheel frame b, the front end of the wheel frame b is rotationally connected with the vehicle frame, the top end of the wheel frame b is rotationally connected with one end of the shock absorber b, and the other end of the shock absorber b is rotationally connected with the vehicle frame. The vehicle can be switched into a two-wheeled vehicle or a three-wheeled vehicle with better running stability according to the use demand of a user, and the use cost is low.

The utility model relates to the technical field of tricycles, in particular to a swinging tricycle which comprises a front frame, a rear hopper, a connecting frame, a swinging device, a universal shaft and a differential motor, a front wheel is mounted at the front end of the front frame, a driving chain wheel is mounted in the middle of the front frame, and rear wheels are symmetrically mounted on the left side and the right side of the rear hopper. The connecting frame is arranged in the rear car hopper and located at the bottom end of the rear car hopper, the top end of the front portion of the connecting frame is connected with the front end of the rear car hopper through a swinger, the front end of the connecting frame is connected with the rear end of the front car frame, and the left side and the right side of the middle of the connecting frame are connected with rear wheels through universal shafts correspondingly. The differential motor is installed in the middle of the connecting frame, an output shaft of the differential motor is connected with the universal shaft, and a flywheel on the differential motor is in transmission connection with the driving chain wheel through a driving chain; the driving chain is simple in structural design, 8-shaped distortion of the driving chain is avoided, the chain falling phenomenon is prevented, and the driving chain is not prone to rollover during rapid turning.

The utility model discloses a novel suspension cushion for a fuel oil tricycle, which relates to the field of vehicle engineering, adopts an upper cushion with large dynamic stiffness and large damping coefficient to effectively absorb low-frequency vibration of an engine, and adopts a lower cushion with small dynamic stiffness and small damping coefficient to effectively absorb high-frequency vibration of the engine. The riding comfort of the fuel tricycle is further improved; the upper soft cushion and the lower soft cushion are made of high-quality natural rubber and specific compounding agents, necessary mechanical strength is provided, good weather resistance and durability are guaranteed, the performance can be kept even in a severe environment, and therefore the maintenance requirement and the operation cost caused by vibration are reduced, and the service life of the cushion is prolonged. By means of the design, the problems that a traditional fuel oil tricycle is large in vibration and poor in comfort are effectively solved.