Convertible Wind-Stop Panel Anchored to Roll Hoops and Seat Buckle
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Solution Overview
Problem
Existing wind-stop devices for convertible automobiles are complex, costly, and difficult to assemble and disassemble, often resulting in vibrations and noise during vehicle travel.
Innovation Solution
A wind-stop device with removable anchorage means, including lateral tabs and a central bottom tongue that cooperate with a standard-production safety belt buckle for secure and vibration-free operation, allowing for simple and rapid assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing wind-stop devices are used, then wind protection is provided, but the structure becomes complex and costly
Solution Approach 1:
The wind-stop device is divided into separate functional components: lateral tabs for side anchorage and a bottom tongue for central anchorage. This segmentation allows each component to be simple in design while collectively providing robust wind protection, resolving the contradiction between reliability and complexity.
Solution Approach 2:
The device uses a standard safety belt buckle as the anchorage mechanism, which serves multiple functions: it provides secure anchorage for the wind-stop, is already present in the vehicle structure, and uses a familiar operation mechanism. This universality reduces device complexity while maintaining reliability.
2Reliability
If existing wind-stop devices are used, then wind protection is provided, but assembly and disassembly become difficult
Solution Approach 1:
The wind-stop device utilizes the vehicle's existing safety belt buckle system, which is already a self-service mechanism familiar to users. The lateral tabs and bottom tongue automatically engage with guide slits and the buckle respectively, requiring no special tools or complex procedures for assembly and disassembly, thus maintaining ease of operation while ensuring reliable wind protection.
3Reliability
If existing wind-stop devices are used, then wind protection is provided, but vibrations and noise occur during travel
Solution Approach 1:
The device provides localized anchorage at three specific points: two lateral tabs anchoring to the roll hoops and a bottom tongue anchoring to the safety belt buckle. This distributed local anchorage ensures the wind-stop panel remains firmly positioned without excessive movement, reducing vibrations and noise while maintaining effective wind protection throughout the passenger compartment.
Data Source
AI summary
A wind-stop device for a two-seater convertible comprises a panel provided with means for its removable anchorage behind the backrests of the seats of the automobile, between two roll-hoops anchored to the structure of the automobile, behind the seats. The anchorage means comprise at least one pair of lateral tabs projecting from the panel and designed to be received within guide slits made in the inner sides of the two roll-hoops and at least one blocking tongue projecting at the bottom from the panel and designed to co-operate with a receiving and blocking device in the form of a buckle for safety belts, rigidly connected to the structure of the motor vehicle and having a receiving seat open upwards, set at the top of a wall at the back of the two seats with a release button adjacent to the seat.