Rotating Two-Piece Wheel Center Cap Design
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Solution Overview
Problem
Existing center caps require removal from the wheel to access lug nuts during installation and removal, leading to deformation and reduced lifespan due to the resistance-based retention methods.
Innovation Solution
A two-piece center cap design with an interior wheel attachment member and an exterior lug cover that rotates from a position covering lug nuts to one not covering them, allowing wheel installation and removal without center cap removal, utilizing a rotatable annular snap-fit joint and position stops to secure the exterior lug cover in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the center cap is retained to the wheel using resistance means (spring clips), then the center cap can be securely affixed to the wheel, but the center cap becomes deformed during installation and removal, limiting its lifespan
Solution Approach 1:
The center cap is divided into two separate components: a center cap body that remains permanently attached to the wheel, and a removable lug nut cover that can be taken off independently. This segmentation allows the lug nuts to be accessed by removing only the lug nut cover, not the entire center cap, thereby preventing deformation of the center cap body and extending its lifespan while maintaining secure affixation.
2Object-affected harmful factors
If the center cap covers the wheel lugs, then the wheel lugs are protected and hidden, but the center cap must be removed to access the lug nuts for wheel installation and removal
Solution Approach 1:
The center cap system is segmented into a permanent center cap body that covers and protects the wheel lugs, and a separate removable lug nut cover that provides access to the lug nuts. The lug nut cover can be easily removed and reattached, allowing convenient access to lug nuts for wheel installation and removal while the center cap body remains in place to continuously protect the wheel lugs.
Solution Approach 2:
The lug nut covering function is extracted from the center cap body and placed into a separate removable lug nut cover. This allows the protective function to be separated from the access function, enabling the lug nuts to be accessed by removing only the lug nut cover while the center cap body remains attached to protect the wheel lugs.
3Ease of operation
If the center cap is removed frequently for wheel installation and removal, then access to lug nuts is enabled, but the center cap becomes deformed and its lifespan is reduced
Solution Approach 1:
The center cap system is divided into a permanent center cap body and a removable lug nut cover. This segmentation enables access to lug nuts by removing only the lightweight lug nut cover, which is designed to be frequently removed and reattached. The center cap body remains permanently attached and is not subjected to repeated removal and installation, thereby preventing deformation and extending its lifespan.
Data Source
AI summary
The present disclosure pertains to a two piece center cap design which can be securably affixed to a wheel in a manner that does not require the center cap to be removed when installing and removing the wheels from a vehicle. This is achieved by rotating the center cap from a first position covering the lug nuts, to a second position, which does not cover the lug nuts, thereby providing access to the wheel lugs to allow the wheel to be installed and removed.