Ventilation housing protecting cover
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Solution Overview
Problem
The existing ventilation network installation process is complex and prone to contamination, with nails used for attachment resulting in rust stains and difficult removal from concrete surfaces, leading to inefficiencies and cleanliness issues during construction.
Innovation Solution
A ventilation housing protective cover with a plate-shaped base body featuring tower-shaped fixing bodies that securely hold pin-shaped fasteners, allowing for easy attachment to formwork boards without embedding nails in concrete, and a design that ensures complete closure of air passage openings to prevent contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If nails are used to attach the ventilation housing to formwork boards, then the ventilation housing can be securely fixed, but the nails embed in the concrete causing rust stains and requiring complex removal work
Solution Approach 1:
The fixing function is segmented from the ventilation housing and transferred to the protective cover. The protective cover contains integrated fixing bodies with recesses that receive separate fastening elements (nails, screws, or adhesive), allowing the attachment mechanism to be independent from the housing structure itself.
Solution Approach 2:
The protective cover acts as an intermediary element between the ventilation housing and the formwork board. It provides the attachment interface to the formwork while protecting the housing's air passage opening, eliminating the need to directly attach nails to the housing.
2Ease of operation
If the air passage opening is left open for ventilation function, then air can flow through the housing, but the opening is exposed to contamination during construction phase
Solution Approach 1:
The protective cover is installed on the ventilation housing before the construction phase begins, preliminarily closing the air passage opening to prevent contamination. The cover can be removed later to enable the ventilation function once the construction is complete and the area is clean.
Solution Approach 2:
The protective cover serves as a temporary, disposable element used only during the construction phase to protect the opening. After serving its protective function, it can be removed and discarded, allowing the permanent ventilation function to operate.
3Device complexity
If a simple plate-shaped cover is used to close the air passage opening, then the design is simple, but the cover cannot be securely attached to the housing
Solution Approach 1:
The protective cover merges multiple functions into a single element: it closes the air passage opening, provides attachment points for fastening to the formwork, and protects the housing. The fixing bodies are integrated directly into the cover structure, combining the closing and attachment functions.
Solution Approach 2:
The protective cover is designed as a multi-functional element that serves as both a closure for the air passage and a mounting base for attachment to the formwork. The fixing bodies with recesses provide universal attachment capability for different fastening methods (nails, screws, adhesive).
Data Source
Figure 1~2
Figure 3~4
Figure 5~8
AI summary
The invention relates to a ventilation housing protective cover (2) for closing an air passage opening (5) of a ventilation housing (3) and has a plate-shaped base body (6) with a top (7) and a bottom (8). Locking means (9) for establishing a connection between the base body (6) and the ventilation housing (3) are formed on the base body (6), wherein at least one tower-shaped and one pin-shaped fastening element (21) are formed on the plate-shaped base body (6).