Motorcycle Rear Mirror Rotation Limit for Wire Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The integration of electrical components in rear mirrors of motorcycles leads to a risk of damage to electrical lines due to repeated adjustments, which can cause twisting and loss of electrical contact.
Innovation Solution
A rear mirror assembly with a rotatable adjustment device and a limiting device to prevent excessive rotation, incorporating a ball joint and a blocking element to limit the rotational adjustment, thereby protecting electrical lines from overwinding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the mirror mounting is made adjustable through multiple rotations to improve positioning flexibility, then the adaptability of the mirror position is improved, but the electrical lines are twisted and damaged due to excessive rotation
Solution Approach 1:
The limiting device applies a counteracting force before the electrical lines can be twisted beyond their damage threshold. The blocking element engages with the stop element to prevent further rotation, thereby preliminarily counteracting the harmful twisting action on the electrical lines while preserving the necessary adjustment range for mirror positioning.
Solution Approach 2:
The patent converts the potential harm of excessive rotation into a beneficial feature by using the blocking mechanism to define a precise operational range. The limitation that prevents electrical line damage also ensures consistent mirror positioning within the intended adjustment range, transforming a constraint into a reliability feature.
2Ease of operation
If the adjustment device allows free rotation to improve ease of operation, then the ease of operation is improved, but the wear of movable parts increases due to friction effects
Solution Approach 1:
The limiting device preliminarily prevents excessive rotation that would cause wear to movable parts. By engaging the blocking element with the stop element before the electrical lines or mechanical components suffer damage, the system maintains ease of operation within the safe range while preventing long-term wear from unlimited rotations.
3Device complexity
If the electrical lines are guided through the articulation of the articulated connection to simplify routing, then the device complexity is reduced, but the electrical contact is released due to twisting during adjustments
Solution Approach 1:
The limiting device applies preliminary anti-action by preventing the articulation from rotating beyond the point where electrical lines would twist and disconnect. The blocking mechanism engages before harmful rotation occurs, maintaining electrical contact stability while allowing the simplified routing through the articulation to remain in place.
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
The solution effectively prevents damage to electrical lines by limiting excessive rotation, ensuring high longevity and reliable electrical connections in electrified rear mirrors.
Implementation Method 1
the adjustment device comprises a ball joint having a ball socket and a ball head guided in the ball socket
Implementation Method 2
the adjustment device comprises a limiting device for limiting the rotational adjustment
Data Source
AI summary
A rear mirror assembly for a motorcycle includes a mirror mounting and a holding arm which is configured to connect the mirror mounting to the motorcycle. An adjustment device is arranged between the holding arm and the mirror mounting. The adjustment device is configured to be rotatable at least about one free rotational axis in order to adjust the position of the mirror mounting relative to the holding arm. The adjustment device includes a limiting device in order to limit the rotational adjustment.