ATV Headlight Bracket Mounting Design Freedom

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Solution Overview

Problem

Conventional all terrain vehicle headlight attachment structures are limited by the shapes and positions of the front fender and front guard, restricting design freedom and requiring complex lamp case designs to cover the headlamp, thereby reducing flexibility in positioning and designing the headlight area.

Innovation Solution

The use of detachable brackets mounted to the body frame below the front fenders allows for arbitrary positioning of headlights, increasing design freedom by separating the headlight mounting from the body frame and fender constraints, and enabling simpler fender designs without dedicated fixation members.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the headlight is attached directly to the front fender and front guard, then the headlight position is fixed by the body structure, but the design freedom for headlight positioning is reduced

Engineering Contradiction:

Improveheadlight attachment stabilityVSAvoidheadlight positioning flexibility

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The headlight attachment system is segmented into three independent components: the body frame, the bracket, and the headlight. The bracket is detachably mounted to the body frame, and the headlight is mounted to the bracket, allowing independent positioning and design of each component without being constrained by the other.

Inventive Principle:

Principle #1Segmentation

2Object-affected harmful factors

If the lamp case is designed to cover the rear of the headlamp, then the headlight is protected, but the lamp case shape becomes complicated and design freedom is reduced

Engineering Contradiction:

Improveheadlight protectionVSAvoidlamp case shape complexity

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The headlight mounting function is extracted from the lamp case and transferred to a separate bracket component. This allows the lamp case to be designed independently for protection purposes while the bracket handles the mounting and positioning functions, eliminating the need for the lamp case to conform to headlight shape requirements.

Inventive Principle:

Principle #2Taking out (Extraction)

3Device complexity

If the headlight is mounted directly to the body frame, then the attachment structure is simplified, but the design freedom for headlight position is restricted

Engineering Contradiction:

Improveattachment structure simplicityVSAvoidheadlight position variability

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

A bracket is introduced as an intermediary component between the body frame and the headlight. This bracket serves as a mediator that provides both secure attachment to the body frame and flexible positioning for the headlight, achieving both structural simplicity and design freedom through a single intermediate component.

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS7549676B2All terrain vehicle

Publication Date: 2009.06.23 YAMAHA MOTOR CO LTD

AI summary

An all terrain vehicle is constructed to allow the positions at which the headlights are attached to be designed freely, and allows a large amount of design freedom in the vicinity of each headlight. Left and right brackets are detachably mounted to the body frame so as to be below the left and right front fenders, respectively, and the left and right headlights are mounted to the left and right brackets, respectively.