Eccentric type steering assembly and three-wheeled motorcycle

Abstract

The invention discloses an eccentric type steering assembly and a three-wheeled motorcycle. The eccentric type steering assembly comprises a steering driving system and a steering system, a first rotating axis of the steering driving system is not concentric with a second rotating axis of the steering system, and the second rotating axis is coaxial with a frame vertical pipe and is positioned on the rear side of the first rotating axis. According to the eccentric type steering assembly and the three-wheeled motorcycle, the structure that the steering driving system and the steering system areseparated is adopted, the rotating center of the steering driving system and the rotating center of the steering system are arranged to be of a non-concentric structure, the first rotating axis is close to the front, and the second rotating axis is relatively close to the rear and positioned on the frame vertical pipe; under the condition that the length of whole vehicles is the same, the layout of the whole vehicle can be more compact, passenger and cargo carrying space is favorably expanded, the overall weight of the vehicle is reduced, the energy conservation and consumption reduction is facilitated, and the manufacturing cost is reduced; and for the three-wheeled motorcycles with the same passenger and cargo carrying space, according to the scheme, the wheel base between a front wheeland rear wheels can be greatly shortened, and the strength and the stability are improved.

Description

technical field [0001] The invention relates to a vehicle steering mechanism, in particular to an eccentric steering assembly and a three-wheeled motorcycle. Background technique [0002] Motorcycle is a kind of vehicle that is easy to use and low in energy consumption, and has good market demand; especially three-wheeled motorcycle, which has the function of carrying goods and people, has more demand in rural areas and suburbs. Based on the special structure and functions of the tricycle, it is necessary to have as large a riding or use space as possible, but its structure does not allow the desired length of cargo or passenger space. If the wheelbase is too long, the overall strength and driving stability of the motorcycle will be affected. Adverse effects, resulting in safety hazards. For motorcycles in the prior art, the general structure is that the steering drive directly drives the steering shaft and then acts on the wheels, and the steering center line extends downw...

AI Technical Summary

Problems solved by technology

Based on the special structure and functions of the tricycle, it is necessary to have as large a riding or use space as possible, but its structure does not allow the desired length of cargo or passenger space. If the wheelbase is too long, the overall strength and driving stability of the motorcycle will be affected. adverse effects, resulting in safety hazards

For motorcycles in the prior art, the general structure is that the steering drive directly drives the steering shaft and then acts on the wheels, and the steering center line extends downwards and forwards. This structure causes the wheels to move forward as a whole, increasing the length of the vehicle (front and rear axles distance), while the length of motorcycles (three-wheeled motorcycles) has standard requirements, and the driving steering and the longer length of the front wheels have a greater disadvantage to the passenger and cargo space of three-wheeled motorcycles. Influence, and in the existing structure, when there is enough seating and cargo space, the wheelbase is longer, and the body frame is also longer (longitudinal length), which affects the overall strength, stability and driving of the vehicle. Safety; Chinese patent 201310151897.3 discloses a steering structure. The steering structure consists of a handle tube steering column and a front fork steering column and is divided into two rotation axes, one front and one rear. The position of the handle tube steering column is the same as that of the prior art. Located in the frame riser; the front fork steering column is located at a certain part of the frame on the rear side of the frame riser; this structure can ensure that the overall length of the vehicle body is reduced under the condition of the same loading space, but due to the setting of the front fork steering column , will reduce the loading space or cause interference to a certain extent, and affect driving comfort; the front fork steering column and the handlebar steering column of this structure are both installed on the frame, although the rearward movement of the front wheels can reduce the The length of the body is small, but the loading space of the vehicle has not changed; if the loading space of the vehicle body is increased, the frame riser needs to be moved forward to increase the length of the frame, thereby increasing the weight of the vehicle, and because the frame is longer, the vehicle Poor stability

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