Window Inner Frame with Integrated Water Baffle
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Solution Overview
Problem
Traditional windows and skylights suffer from poor sealing and waterproofing issues due to rainwater entering the space between the jamb and the annular water blocking portion, especially at the collision corners, leading to inadequate protection against rain and increased assembly complexity.
Innovation Solution
An inner frame for windows and skylights featuring a fixing portion, a water baffle, and a connecting portion that snap-fit together without bolts, with the water baffle's annular water blocking portion formed by bending, providing improved sealing and reduced assembly complexity, and a mullion for enhanced structural strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the inner profile frame is formed by splicing four inner profiles with an annular water blocking portion, then the waterproof effect is improved, but rainwater still enters from the connecting positions of adjacent profiles due to assembly complexity and sealing gaps
Solution Approach 1:
The patent merges the water blocking portion with the inner profile frame into a single integrated structure. The water blocking portion is formed as one piece with the inner profile frame, eliminating the need for separate assembly of multiple components. This integration ensures that rainwater cannot enter from connecting positions while simplifying the assembly process, as the integrated structure is installed as a single unit between the glass plate and the jamb.
2Ease of manufacture
If the outer profiles are snap-fitted onto the inner profiles through horizontal extrusion for processing convenience, then the assembly process is simplified, but rainwater easily enters from the connecting position of adjacent outer profiles
Solution Approach 1:
The patent introduces the water blocking portion as an intermediary element between the outer profiles and the inner profile frame. This water blocking portion extends to block the path of rainwater that would otherwise enter through the connecting positions of adjacent outer profiles. The intermediary structure maintains the simple snap-fit assembly process while adding waterproof protection at the critical connecting positions.
3Device complexity
If traditional sealing assemblies are used between the window sash and window frame, then the structure is simple, but the sealing performance is insufficient and rainwater enters from the connecting portion between jamb and glass plate
Solution Approach 1:
The patent employs a flexible sealing assembly comprising a sealing member that can deform to adapt to the connecting portion between the jamb and the glass plate. The sealing member is elastically deformable, allowing it to be inserted into the connecting portion and then expand to seal the gap effectively. This flexible sealing approach maintains structural simplicity while dramatically improving sealing performance to prevent rainwater penetration.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively prevents rainwater from entering the room by integrating the annular water blocking portion at collision corners and simplifies the assembly process, enhancing the waterproof and structural integrity of the skylight while reducing heat transfer through the use of a heat insulating strip.
Implementation Method 1
a water baffle, wherein the annular water blocking portion is formed by bending the water baffle
Implementation Method 2
reducing heat transfer through the use of a heat insulating strip
Data Source
AI summary
An inner frame of a door or a window is disclosed. The inner frame is disposed at an inner side of a window sash, and is connected between a jamb of the door or the window sash and a door frame or a window frame. The inner frame includes a fixing portion for fixing to the jamb, a water baffle, and a connecting portion for connecting with the door frame or the window frame. One side of the fixing portion is fixed to the jamb, the water baffle is integrally disposed on the other side of the fixing portion opposite to the one side, and the connecting portion is integrally disposed on a side of the water baffle facing away from the fixing portion and is connected to the door frame or the window frame.