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Four-wheel motorcycle

A motorcycle and steering knuckle technology, which is applied in the field of folded-back steering quad bikes, can solve the problems of raising the center of gravity of the whole vehicle, reducing the roll stability angle, and reducing the anti-roll ability.

Inactive Publication Date: 2003-05-14
郑其鼎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the rear wheel drive must adopt an integral rear wheel drive axle and its transmission device including the final drive, differential, and half shaft, resulting in a smaller ground clearance and increased unsprung mass
The ride comfort and riding comfort deteriorate, the floor height of the compartment increases, the center of gravity of the vehicle increases, the roll stability angle decreases, the anti-roll capability decreases, and the safety and reliability deteriorate

Method used

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Examples

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Embodiment Construction

[0007] With reference to accompanying drawing, the folding motorcycle of the present invention is turned to four-wheel motorcycle, and it is made up of tractor 1 and compartment 2 two major parts. The tractor 1 and the compartment 2 are hinged to each other through the upper node 22 and the lower node 23 of the steering knuckle respectively arranged in the middle of the middle beam 41 and the lower beam 42 of the column 40 of the compartment 2A, and transmit the drag force. The drag head 1 is connected with the upper cantilever 45 and the lower cantilever 46 respectively by collision impact shearing pins, and a spring buffer is arranged therebetween. Garden arc turning bevel gear rack 25 is arranged on cantilever 45 on drag head 1, and turns to garden bevel gear 24 engagement with compartment 2. The tractor head 1 chassis is equipped with engine assembly 4 (comprising the transmission of engine body, 4 front speeds and 1 reverse gear, differential gear and two axle shafts), an...

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PUM

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Abstract

The four-wheel motorcycle consists of two parts of dragging head and body hinged via steering gimbal. The front part of the dragging head is one high-strength collision-proof stereo trussframed struture with steering shaft, steering wheel and bevel gear in the upper part as well as clutch, brake and throttle pedal in the lower part. The bevel rack meshes with the bevel gear is mounted on the cantilever of the dragging head. The driver applies steering torque to the steering wheel for turning. The present invention may be used to replace available two-wheeled and three-wheeled motorcycles as one countryside transportation tool.

Description

(1) Technical field [0001] The invention relates to a motorcycle, in particular to a bent-over steering four-wheel motorcycle. (2) Background technology [0002] A kind of known front-wheel steering rear-wheel drive four-wheel motorcycle steering system comprises: steering wheel, steering shaft, steering universal joint, steering drive shaft, steering gear, steering rocker arm, steering straight rod, steering knuckle arm, left steering Knuckle, left steering knuckle kingpin, left steering trapezoidal arm, steering tie rod, right steering trapezoidal arm, right steering knuckle, right steering knuckle kingpin, etc. In order to make the steering wheel have steering portability, accuracy and driving stability, a difficult front wheel alignment system must be designed on the steering wheel, that is, the front wheel camber, kingpin inclination, kingpin caster, front toe-in . Thus it can be seen that the structure of the front wheel steering system is quite complicated, the proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D63/02B62K21/00
Inventor 郑其鼎
Owner 郑其鼎
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