Embedded Car Cover Hinge Structure for Longer Rotating Shaft Life
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Solution Overview
Problem
The rotating structure of existing car covers is vulnerable to damage due to frequent use, leading to a short service life.
Innovation Solution
A car cover with rotating shaft hinges, comprising a large front bar, a rear bar, a guide rail, and multiple rotating shafts connected by a rotating shaft hinge, which includes an integrated elongate structure or block structures, and a rubber strip with a waterproof surface and mounting feet for enhanced durability and waterproofing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a rotating structure is installed to facilitate opening of the hood, then the ease of operation is improved, but the reliability deteriorates due to vulnerability to damage from frequent use
Solution Approach 1:
The rotating shaft is divided into multiple sections with rotating shaft hinges connecting them, allowing the structure to flex and absorb stress during frequent operations. This segmentation prevents single-point failure and extends the service life of the rotating mechanism.
Solution Approach 2:
Rotating shaft hinges are pre-installed on the rotating shaft to provide cushioning and stress distribution before damage occurs. These hinges act as protective elements that absorb mechanical stress from frequent opening operations, preventing premature failure of the rotating structure.
2Ease of operation
If rotating shafts are used for frequent operation, then the ease of operation is improved, but the duration of action deteriorates due to short service life
Solution Approach 1:
The rotating shaft is segmented into multiple sections connected by rotating shaft hinges, distributing mechanical stress across multiple connection points. This allows the structure to withstand frequent operations longer without failure.
Solution Approach 2:
The rotating shaft combines metal shaft material with rubber strip waterproof seals and hinge connections, creating a composite structure that provides both mechanical strength for frequent use and flexibility to extend service life through stress absorption.
3Reliability
If a robust rotating mechanism is installed to extend service life, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The rotating shaft hinges integrate multiple functions into a single component: mechanical connection between shaft sections, stress absorption through hinging action, and waterproof sealing through integrated rubber strips. This merging reduces the need for separate components and simplifies the overall structure.
Solution Approach 2:
The rotating shaft hinge serves multiple purposes simultaneously: it acts as a mechanical joint, a stress-absorbing element, and a waterproof seal. This multi-functionality extends service life without requiring additional separate components, thereby avoiding increased complexity.
Data Source
AI summary
The present invention discloses a car cover with rotating shaft hinges, including a large front bar, a rear bar, a guide rail and a plurality of rotating shafts, the guide rail is connected to the car body, the large front bar, the rear bar and the plurality of rotating shafts are all connected to the guide rail, at least one of the rotating shafts is connected to a rotating shaft hinge, the rotating shaft includes a first rotating shaft, a second rotating shaft and a third rotating shaft. The car cover in this invention may includes a plurality of rotating shaft structures or only one rotating shaft structure, the rotating shafts are connected at the rotating shaft by a rotating shaft hinge, which makes the rotating shaft a longer service life.