Tire Cover Drawstring Layout for Secure Wind-Resistant Fit
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Solution Overview
Problem
Existing tire covers are inconvenient to install and unstable, as they require a rope to be wrapped around the tire, leading to an upper half that remains loose and can be easily blown away by wind.
Innovation Solution
A tire cover design featuring drawstring channels and a cord lock system, allowing for easy installation and secure fitting by tightening the drawstring on multiple panels, including the front, back, and sides, with optional elastic cord for temporary fixation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a rope is used to secure the bottom of the tire cover, then the bottom can be fixed, but the upper half remains loose and can be easily blown away by wind
Solution Approach 1:
The securing function is segmented into multiple locations: the drawstring passes through channels in the front panel, side panels, and back panel, distributing the securing action across multiple segments of the tire cover rather than concentrating it at the bottom only
Solution Approach 2:
The securing mechanism transitions from a two-dimensional rope wrapping around the bottom to a three-dimensional drawstring system that penetrates through channels in multiple panels, adding vertical and lateral dimensions to the securing action
2Reliability
If a rope wraps around the bottom of the tire cover, then the bottom can be secured, but the operation becomes inconvenient as the rope needs to wrap around the back of the tire
Solution Approach 1:
The drawstring is extracted through dedicated channels in each panel, removing the need to wrap the securing element around the back of the tire. The channels guide the drawstring through the necessary path, simplifying the user's action to merely pulling the ends
Solution Approach 2:
The drawstring channels act as intermediaries that guide and constrain the drawstring, mediating between the user's simple pulling action and the complex securing requirement across multiple panels
Data Source
AI summary
A tire cover, having a protective cover body and a drawstring; a back panel of the protective cover body has a main back drawstring channel and an opening extending upwardly from a lower side of the back panel, two front drawstring channels are provided at a lower side of a front panel of the protective cover body; the drawstring passes through the main back drawstring channel and the two front drawstring channels; two free ends of the drawstring are located between the two front drawstring channels.