Front wheel support steering mechanism of double front wheels motorcycle

Abstract

The invention relates to a front wheel support steering mechanism of a double fronts wheel motorcycle. The mechanism comprises a fixing seat, an upper cross arm, a lower cross arm, a damping device, awheel mounting seat and a steering device, wherein the upper cross arm comprises a left upper cross arm and a right upper cross arm, and the left upper cross arm and the right upper cross arm are hinged with the fixing seat; the lower cross arm comprises a left lower cross arm and a right lower cross arm, and the left lower cross arm and the right lower cross arm are hinged with the fixing seat;the damping device comprises a swing supporting arm, a left damping column and a right damping column; the middle part of the swing supporting arm is hinged with the fixing seat; the left damping column and the right damping column are arranged between the swing supporting arm and the left and right lower cross arms; and the steering device comprises a main shaft, a transmission swing rod, a steering shaft, a steering shaft sleeve, a steering support seat, a steering support arm, a left swing arm, a right swing arm, a left steering rod and a right steering rod. The fixing seat is an integral structure with a better mechanical structure and a lighter weight, so that the machining and the assembly are easier. According to the mechanism, the steering action is completed by the combined structure of the plurality of components, so that the steering process is smoother while the machining cost is saved.

Description

technical field [0001] The invention relates to the technical field of motorcycles, in particular to a front wheel support steering mechanism of a double front wheel motorcycle with a multi-stage damping structure. Background technique [0002] Existing motorcycles usually adopt a two-wheel or three-wheel structure, and the wheel at the front is the steering mechanism of the motorcycle. The driver can change the direction of travel of the motorcycle by operating and turning the handlebar. The structure is easier for the driver to grasp. However, traditional three-wheeled motorcycles generally adopt a structure with one wheel in front and two wheels behind. This structure has steering stability problems, and it cannot be turned at high speeds, otherwise rollover will occur; in addition, traditional The three-wheeled motorcycle also can only be applicable to comparatively flat road surface, and when the road surface has larger ups and downs, the damping structure of the front...

AI Technical Summary

Problems solved by technology

[0005] The front wheel support mechanism of the existing double front wheel motorcycle is relatively complicated. In order to ensure the cooperative work of the left and right mechanisms, the fixed seat part connected to the frame in the middle is often hollowed out in multiple places, which is relatively difficult to process. To obtain the corresponding supporting strength and prevent fracture during use, each stressed component must also be of a sufficiently large size to ensure that the stressed position has a sufficiently large solid section, thereby increasing the weight of the vehicle

The existing steering mechanism generally adopts rigid connecting rod transmission. In order to ensure the normal operation of the steering mechanism of the double front wheel motorcycle, the trend of weight gain is even greater. Moreover, the existing steering mechanism has high requirements for the degree of cooperation between components, so it is necessary to Higher machining accuracy, the steering operation is not flexible when the vehicle is in use, and the energy consumption will increase relatively

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