Motorcycle Tail Lamp Mudguard Segmentation
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Solution Overview
Problem
Existing motorcycle designs face challenges in effectively guarding the tail lamp from mud splashes while maintaining visibility of the license plate without increasing the size of the mudguard.
Innovation Solution
A mudguard design with distinct inclination angles for different portions, where the first portion is angled obliquely downward and rearward to block mud splashes and the second portion is more steeply angled to ensure visibility of the license plate, is integrated with the rear fender to create a compact and functional rear section.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the mudguard is made larger to better guard the tail lamp from mud splashes, then the protection of the tail lamp is improved, but the size of the rear portion increases
Solution Approach 1:
The mudguard is divided into a first portion and a second portion with different inclination angles. The first portion has a first inclination angle that blocks mud splashes toward the tail lamp, while the second portion has a second inclination angle that is larger than the first, creating a stepped configuration that protects the tail lamp without increasing overall mudguard size.
Solution Approach 2:
Different portions of the mudguard are given different local properties through varying inclination angles. The first portion is designed with a specific angle for mud blocking, while the second portion has a steeper angle to maintain compactness, allowing each section to perform its specific function optimally.
2Object-affected harmful factors
If the mudguard is made larger to block mud splashes, then the tail lamp protection is improved, but the visibility of the license plate from the rear side is reduced
Solution Approach 1:
The mudguard is segmented into two portions with different inclination angles. The second portion has a larger inclination angle that creates space above it for license plate placement, ensuring rear visibility is maintained while the first portion provides mud splash protection.
Solution Approach 2:
The second portion of the mudguard is designed with a steeper inclination angle specifically to create visual clearance for the license plate, while the first portion maintains a gentler angle for effective mud blocking, allowing both protection and visibility requirements to be met simultaneously.
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
A motorcycle according to the present invention includes: a frame (2) extending in a front-rear direction; a rear wheel (8); right and left covers (11) that cover right and left sides of the frame (2) located above the rear wheel (8); a tail lamp (12) arranged above the rear wheel (8) and connected to rear portions of the right and left covers (11), the tail lamp at least having a surface of a translucent member directed obliquely downwardly and rearwardly; and a mudguard (14) having a first portion (19) extending obliquely downwardly and rearwardly from a front side of the surface of the translucent member to cover the surface of the translucent member in a bottom view, and a second portion (20) extending downwardly from a rear portion of the first portion (19) at an angle with respect to a ground surface that is at least larger than a corresponding angle of the first portion (19), the second portion having a license plate attachment portion (18).