Blind Co-Used Sheet with Oblique Transverse Double-Layered Structure
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Solution Overview
Problem
Conventional vertical blinds have limited rotational angles, resulting in inadequate attachment of blind sheets to achieve a true sunshade effect, and their structures are not compatible with Shangri-la blinds, limiting their dual functionality.
Innovation Solution
A blind co-used sheet design featuring vertical first and second blind sheets with non-horizontal oblique transverse double-layered sheets, where the upper and lower yarn sheets are sewn to create sunshade sections that can overlap, enhancing the sunshade effect, and a fixing plate assembly allows conversion between vertical and Shangri-la blind modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional vertical blind sheets are rotated to transverse state, then the blind sheets are attached to each other, but the rotational angle is insufficient so that the blind sheets can hardly truly attach to each other to achieve the sunshade effect
Solution Approach 1:
The blind sheet incorporates an oblique transverse double-layered structure where the upper and lower yarn sheets are sewn at oblique angles rather than horizontally. This dimensional change in the sewing pattern allows the blind sheets to achieve true attachment when rotated, resolving the insufficient attachment problem while maintaining sunshade effectiveness.
2Adaptability or versatility
If the blind sheet structure is designed for vertical blind use, then it functions well as a vertical blind, but it cannot be applied to Shangri-la blind in common
Solution Approach 1:
The blind sheet is designed with a universal structure that can be used in both vertical blind and Shangri-la blind configurations. The oblique transverse double-layered design with sunshade sections works effectively in both blind types, eliminating the need for different blind sheet structures for different blind types and thereby improving versatility without significantly increasing complexity.
3Reliability
If conventional blind sheets are used without sunshade sections, then the structure is simple, but the gaps between blind sheets allow sunlight to pass through
Solution Approach 1:
The blind sheet is segmented into multiple functional zones including upper and lower yarn sheets with sunshade sections positioned between them. This segmentation allows the sunshade sections to specifically address the gap problem between blind sheets while the overall structure remains relatively simple and manageable.
Data Source
AI summary
A blind co-used sheet includes a vertical first blind sheet, a vertical second blind sheet, transverse double-layered blind sheets sown between the first and second blind sheets and fixing plate assemblies for securely holding front ends of the transverse double-layered blind sheets. The transverse double-layered blind sheets can be turned from a transverse state into a vertical state and used as a vertical blind. Alternatively, the transverse double-layered blind sheets can be 90-degree turned back from the vertical state into the transverse state and used as a Shangri-la blind. Two sides of the transverse double-layered blind sheet have upward and downward extending sunshade sections, which can overlap each other. A sunshade sheet is disposed in the transverse double-layered blind sheet to locate the blind sheets.