Window Frame Groove Segmentation for Lining Adaptability
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Solution Overview
Problem
Existing window and door frame structures face challenges when exchanging worn-out window structures while preserving the lining structure, which often buckles or has different thicknesses, leading to fit issues due to changes in standards or manufacturing processes.
Innovation Solution
A window or door frame structure with a groove having a cross-sectional surface profile comprising multiple sections of different depths and widths, equipped with positioning elements such as slats or fittings, allowing for customizable adaptation to fit various lining structures and sizes, including buckled ones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a uniform rectangular groove with standardized width is used, then the groove fits lining structures with standardized thickness, but it cannot accommodate lining structures of different thicknesses or buckled lining structures
Solution Approach 1:
The groove cross-section is segmented into multiple levels with different depths, creating distinct receiving spaces. This segmentation allows the groove to accommodate lining structures of varying thicknesses by providing appropriately sized recesses for each thickness category, thereby improving adaptability without requiring a completely redesign of the groove structure.
Solution Approach 2:
The groove design transitions from a two-dimensional uniform rectangular cross-section to a three-dimensional stepped cross-section with varying depths. This dimensional change enables the groove to accommodate lining structures of different thicknesses by utilizing the depth dimension, allowing a single groove structure to serve multiple lining thickness requirements.
2Ease of repair
If the window frame structure is removed and reinstalled, then the window structure can be exchanged, but the lining structure becomes buckled and difficult to refit
Solution Approach 1:
The stepped groove design provides built-in accommodation space for lining structures that have become slightly buckled or deformed during removal and reinstallation. The varying depth levels act as a cushioning mechanism that absorbs dimensional variations and deformations, allowing buckled lining structures to be refitted without excessive force or difficulty.
Solution Approach 2:
The groove cross-sectional parameters (depth and width) are varied across different sections to create a more tolerant fitting interface. By changing the geometric parameters of the groove to include multiple depth levels, the system becomes more accommodating to dimensional variations in the lining structure, thereby easing the refitting operation after window exchange.
3Adaptability or versatility
If the groove depth is increased to accommodate thicker lining structures, then thicker linings can be fitted, but the groove becomes too deep for thinner lining structures
Solution Approach 1:
Instead of using a single deep groove that would require high precision manufacturing, the groove is segmented into multiple shallower steps. Each step is designed to accommodate a specific range of lining thicknesses. This segmentation reduces the manufacturing precision requirement for each individual step while collectively providing accommodation for a wide range of lining thicknesses.
Solution Approach 2:
The groove design utilizes the depth dimension by creating multiple levels, allowing the system to accommodate varying lining thicknesses without requiring excessive depth in any single location. This dimensional approach distributes the accommodation requirement across multiple shallower steps rather than concentrating it in one deep groove, thereby reducing manufacturing precision demands.
4Ease of manufacture
If a standardized groove design is used, then manufacturing is simplified, but the groove cannot adapt to changes in window standards or different window types
Solution Approach 1:
The stepped groove design serves multiple functions within a single structure: it accommodates different lining thicknesses, absorbs dimensional variations, and adapts to different window types and standards. This multi-functionality is achieved while maintaining relatively simple manufacturing processes, as the stepped geometry can be incorporated into standard groove manufacturing techniques.
Solution Approach 2:
The groove design incorporates variable parameters (different depth levels and widths) that can be adjusted to match different window standards and types. By changing the geometric parameters of the stepped sections rather than the fundamental groove structure, the design maintains manufacturing simplicity while achieving adaptability to various standards and applications.
Data Source
AI summary
A window or door frame structure (3), such as for a roof window, said frame structure (3) comprising, at a side (3a) facing inwards in the mounted position of the window or door assembly, at least one at least partially circumferential groove (7) adapted for receiving a end portion (8) of a lining structure (2), wherein said groove (7) in at least a part of its longitudinal extension has a cross sectional surface profile having at least two sections (9a, 9b), each said section (9a, 9b) having a substantially rectangular shape.