Elastomeric HVAC Vent Cover with Locking Lips
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Solution Overview
Problem
Traditional HVAC vent covers pose a hazard due to their sharp edges and large gaps, which can cause injuries to children and pets, and also allow objects to fall through, necessitating a baby-proofing solution that provides safety and aesthetic improvement.
Innovation Solution
A locking, protective vent grill cover system with a cushioning top cover and releasable locking lips that align with the vent grill perimeter, made from elastomeric materials like silicone or rubber, which can be designed with various shapes and perforations to allow airflow while preventing object loss and injury.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional HVAC vent covers are used, then airflow is maintained, but sharp edges and large gaps cause injuries to children and pets and allow objects to fall through
Solution Approach 1:
The protective cover is segmented into multiple functional components: a top cover with cushioning material for impact protection, side walls with locking lips for secure attachment, and apertures for controlled airflow. This segmentation allows each component to address specific safety concerns while maintaining overall functionality.
Solution Approach 2:
The top cover incorporates cushioning material that extends beyond the perimeter of the vent grill, providing protective cushioning before any impact can occur. This beforehand cushioning eliminates the harmful sharp edges of traditional vent covers and prevents injuries to children and pets.
2Object-affected harmful factors
If a solid cover is used to prevent object loss, then safety is improved, but airflow through the vent is blocked
Solution Approach 1:
The cover features apertures strategically positioned and sized to allow necessary airflow while preventing objects from passing through. The local quality of the cover varies between solid cushioning areas for safety and apertured areas for airflow, optimizing both protection and ventilation functions.
Solution Approach 2:
The protective cover incorporates apertures that create a porous structure, allowing air to pass through while the surrounding solid material prevents objects from falling through. This porous design maintains airflow functionality while achieving safety protection.
3Reliability
If a locking mechanism is added to secure the cover, then safety and object retention are improved, but device complexity increases
Solution Approach 1:
The locking lips are designed to self-engauge with the vent grill frame, automatically securing the protective cover in place without requiring additional fasteners or complex assembly procedures. This self-service locking mechanism simplifies installation while ensuring reliable attachment.
Solution Approach 2:
The locking lips are formed as flexible extensions of the cover's side walls, allowing the cover to be easily installed and removed while maintaining a secure locked position. This flexible design reduces structural complexity compared to rigid locking mechanisms.
4Object-affected harmful factors
If the cover is made from elastomeric materials for safety, then cushioning and protection are improved, but manufacturing precision and consistency become more difficult
Solution Approach 1:
The protective cover combines elastomeric cushioning material with integrated locking lips and apertures in a single molded component. This composite construction maintains the safety benefits of elastomeric materials while achieving manufacturing consistency through one-step fabrication processes.
Data Source
AI summary
A protector for an HVAC vent cover comprises a top surface that covers the top face of the HVAC vent cover. The top surface has an underside. A side wall extends downwards from the perimeter of the underside of the protector a distance at least equivalent to the thickness of the HVAC vent cover. A lip extends inward from the bottom of the side wall along the underside of the top surface.