Venetian Blind Headrail Pressure-Dispersion Structure
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional venetian blinds suffer from slat damage or breakage due to the light-blocking bar when the covering material is pushed towards the headrail, as the topmost slat is tightly attached and subjected to pressure.
Innovation Solution
Incorporating a pressure-dispersion structure within the headrail's traverse board, which includes a pressure-dispersion area that contacts the topmost slat, dispersing the applied pressure and reducing the risk of damage, while maintaining the light-blocking functionality through a strategically positioned light-blocking bar.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a light-blocking bar is added to the headrail to prevent light from passing through the gap between the headrail and the topmost slat, then the light blocking function is improved, but the slat may be damaged or broken when the covering material is pushed toward the headrail
Solution Approach 1:
The headrail is segmented into two functional components: a light-blocking bar for preventing light leakage and a pressure-dispersion structure for distributing mechanical load. This segmentation allows each component to perform its specific function without interfering with the other, resolving the contradiction between light blocking and slat protection
Solution Approach 2:
The pressure-dispersion structure acts as an intermediary between the light-blocking bar and the slat. When the covering material is pushed toward the headrail, this intermediary structure intercepts and disperses the pressure before it reaches the slat, preventing damage while allowing the light-blocking bar to maintain its light-blocking function
2Illumination intensity
If the topmost slat is tightly attached to the light-blocking bar to prevent light from passing through, then the light blocking function is improved, but the slat is subjected to pressure and may be damaged when the covering material is pushed toward the headrail
Solution Approach 1:
The pressure that would normally be harmful to the slat is converted into a beneficial force by the pressure-dispersion structure. This structure is designed to intercept the pushing force and distribute it across multiple points, converting the potentially damaging concentrated pressure into a beneficial distributed load that protects the slat while maintaining the tight attachment for light blocking
Data Source
AI summary
A window covering includes a headrail and a covering material positioned under the headrail. The covering material includes a slat assembly. The headrail includes a traverse board and a pressure-dispersion structure, wherein the pressure-dispersion structure is positioned at the traverse board, and protrudes from a bottom surface of the traverse board. On a side of the pressure-dispersion structure facing the slat assembly, a pressure-dispersion area is formed corresponding to a topmost slat of the slat assembly which is closest to the headrail. When the covering material is raised and eventually contacts the headrail, the topmost slat can be controlled to contact at least part of the pressure-dispersion area, whereby to disperse a pressure applied to the slats.