Motorcycle Windshield Cable-and-Roller Structure for Height Adjustment
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Solution Overview
Problem
Existing motorcycle windshields are complicated and difficult to adjust in height, lacking simplicity and ease of adjustment.
Innovation Solution
A front windshield structure with a windshield support frame set comprising a vehicle body mounting frame, sliding frame, and a power unit that allows for easy height adjustment through a system of guide rollers, control cables, and a power motor to facilitate parallel raising and lowering strokes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional windshield adjustment mechanism is used, then the windshield can be adjusted in height, but the structure becomes excessively complicated and difficult to adjust
Solution Approach 1:
The system is divided into two independent control paths: a first control cable for raising the windshield and a second control cable for lowering the windshield. Each control cable operates through its own guide roller set, allowing independent adjustment without complex interconnected mechanisms. This segmentation simplifies the overall structure while maintaining full adjustability.
Solution Approach 2:
Instead of using a single complex mechanism that performs both raising and lowering functions, the invention inverts the approach by using two simple, dedicated mechanisms - one for raising and one for lowering. This inversion of the traditional single-mechanism approach results in a simpler overall structure that is easier to operate and adjust.
2Device complexity
If guide rollers are positioned above the slide rails, then the sliding mechanism is simpler, but it creates bulkiness and interferes with other components at the front of the motorcycle
Solution Approach 1:
The guide rollers are repositioned from a vertical arrangement (above the slide rails) to a horizontal arrangement (below the slide rails). This dimensional change in positioning allows the mechanism to maintain its functional simplicity while eliminating space conflicts with other front motorcycle components, effectively utilizing the available space below the slide rails.
3Device complexity
If a single control cable is used for both raising and lowering, then the structure is simpler, but the adjustment precision and control are reduced
Solution Approach 1:
The control function is segmented into two separate control cables - one dedicated to raising the windshield and another dedicated to lowering it. Each cable provides precise control for its specific function, eliminating the imprecision that would result from a single cable attempting to perform both functions. This segmentation maintains structural simplicity while significantly improving adjustment precision and control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables easy and smooth adjustment of windshield height while preventing bulkiness and reducing interference with other components, enhancing operational stability and reducing noise during sliding.
Implementation Method 1
the slide rail mounting frame being provided with a first guide roller set and a second guide roller set
Implementation Method 2
a sliding frame that is guided by and sliding along the slide rails
Data Source
AI summary
A motorcycle windshield structure includes a windshield support frame set that supports a windshield and includes a vehicle body mounting frame seat unit, a sliding frame unit on the vehicle body mounting frame seat unit, and a power unit driving the sliding frame unit to slide. The vehicle body mounting frame seat unit includes a slide rail mounting frame having first and second guide roller sets. The sliding frame unit includes slide rails connected to the slide rail mounting frame and a sliding frame slidable along the slide rails. The power unit includes a power motor and first and second control cables respectively wound around the first and second guide roller sets. The power motor and the first and second control cables define, respectively, a raising stroke and a lowering stroke for the windshield, which are arranged, in a parallel manner, in a vehicle left-right direction.