Bicycle Mudguard Integrated Rear Light Curvature
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Solution Overview
Problem
Existing bicycle mudguards with integrated rear light devices often have aesthetic and functional drawbacks, including visible fastening means, limited visibility, and difficulty in power supply routing, which compromise both appearance and installation ease.
Innovation Solution
A bicycle mudguard design where the rear light device's housing is incorporated beneath the surface, with a translucent wall serving as the illumination surface that follows the mudguard's curvature, allowing for hidden fastening and improved visibility through a wide horizontal beam angle, and utilizing a sandwich structure for power supply connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the housing with light source is mounted on top of the mudguard surface, then the light source is easily accessible, but additional drill holes are required and the appearance is compromised
Solution Approach 1:
Instead of mounting the housing on top of the mudguard surface, the invention inverts the approach by incorporating the housing into the mudguard body itself, with the light source positioned inside the mudguard and the illumination surface formed by the inner wall of the housing. This eliminates the need for drill holes while maintaining aesthetic appearance.
Solution Approach 2:
The housing is nested within the mudguard structure, with the housing walls forming part of the mudguard's internal architecture. The light source is positioned within the housing, and the illumination surface is formed by the housing's inner wall that faces the rear wheel, creating a nested configuration that integrates multiple components seamlessly.
2Reliability
If the housing is detachably fitted to the underside of the mudguard, then the light source is protected, but the visibility to road users is insufficient
Solution Approach 1:
The housing is designed with differentiated local qualities: the outer walls provide protection when positioned at the underside, while the inner wall facing the rear wheel is designed as an illumination surface with specific optical properties to maximize light emission and visibility. This local differentiation allows the same component to serve both protective and illuminative functions effectively.
3Shape
If the illumination surface follows the mudguard curvature, then the aesthetic integration is improved, but the manufacturing complexity increases
Solution Approach 1:
The housing's illumination surface is designed to follow the curvature of the mudguard, creating a smooth, curved interface that integrates aesthetically with the overall mudguard shape. This curvature is achieved through the housing's structural design, where the inner wall naturally conforms to the mudguard's external contour, eliminating the need for additional shaping operations.
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 enhances the aesthetic integration of the mudguard and rear light, improves cyclist visibility to other road users, and simplifies installation by eliminating the need for visible fastening and drill holes, while ensuring reliable power supply and protection of electronic components.
Implementation Method 1
at least one light source is provided
Data Source
Figure 1~2
Figure 3~5
Figure 6
AI summary
The present invention relates to a bicycle mudguard (1) with a rear light device which is incorporated therein, comprising a housing (2) which is accommodated in an opening in the mudguard and in which a light source (3) is provided, wherein the housing (2) comprises a translucent wall (5) which, in use, forms an illumination surface (8) which projects from the surface of the mudguard and follows the curvature of the mudguard (1). The rear light device is easy to install and ensures improved diffusion of the light in the lateral and/or upward direction, as a result of which this mudguard not only offers aesthetic added value, but can also increase the safety and ease of use of a bicycle.