Zebra Curtain Spring-Loaded Rail for Alignment Without Pull Cords
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Solution Overview
Problem
Conventional zebra curtains face issues with symmetrical alignment and adjustment of light-transmitting and light-impermeable parts, leading to aesthetic and practical problems, including manual operation hazards and cumbersome reassembly requirements.
Innovation Solution
A zebra curtain design featuring a curtain rolling device with an upper rail, fixing brackets, and a spring mechanism that allows for easy adjustment and alignment of light-transmitting and light-impermeable parts by using a second protruding shaft and bearing system, enabling telescopic deformation to facilitate symmetrical overlap.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the curtain sheet is manually pulled downward by a pull cord, then the light-transmitting part and light-impermeable part can be adjusted to different positions, but the symmetrical positions are not completely aligned and the bottom end becomes wrinkled, influencing aesthetic appearance
Solution Approach 1:
The curtain sheet is designed with a forward overlap double layer structure where the light-transmitting part and light-impermeable part can dynamically adjust their relative positions. The overlapping design allows one layer to slide over the other, enabling continuous adjustment of the exposed areas while maintaining proper alignment through the layered configuration.
Solution Approach 2:
The curtain sheet is divided into multiple segments including light-transmitting parts with hollowed-out holes and light-impermeable parts without holes. These segmented parts are arranged in a forward overlap double layer configuration, allowing independent adjustment of each segment's position while maintaining overall alignment through the structured overlay.
2Ease of operation
If the curtain sheet is manually pulled downward by a pull cord, then the curtain can be adjusted, but it is easy for children to play with the pull cord, creating safety hazards
Solution Approach 1:
The dangerous pull cord is completely removed from the system. Instead, the curtain sheet itself is designed with a forward overlap double layer structure that allows direct manual adjustment by pulling the curtain sheet downward, eliminating the intermediary pull cord that posed safety risks to children.
Solution Approach 2:
The curtain sheet is designed to be self-adjusting through its forward overlap double layer structure. Users can directly manipulate the curtain sheet to adjust the positions of light-transmitting and light-impermeable parts without needing a separate control mechanism like a pull cord, making the system inherently safer.
3Stability of the object's composition
If the curtain sheet is assembled and fixed at the rear end, then the structure is stable, but the user cannot remove or adjust the symmetrical positions of light-transmitting and light-impermeable parts, requiring disassembly and reassembly
Solution Approach 1:
The curtain sheet incorporates a dynamic forward overlap double layer structure that allows the light-transmitting and light-impermeable parts to move relative to each other while maintaining structural integrity. This dynamic design enables adjustment without disassembly, as the overlapping layers can slide past each other to reposition the functional elements.
Solution Approach 2:
The light-transmitting part and light-impermeable part are arranged in a nested overlapping configuration where one layer is positioned over the other. This nested structure allows the inner layer to slide relative to the outer layer for adjustment while maintaining the overall structural stability of the curtain sheet.
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
Enables convenient and safe adjustment of light and dark states in indoor spaces by allowing users to easily align and reposition light-transmitting and light-impermeable parts without manual pulling, enhancing the curtain's aesthetic appeal and practicality.
Implementation Method 1
the second protruding shaft moves back and forth inside the bearing through an action of the spring to press the second protruding shaft and to compress the spring mounted inside the bearing
Data Source
AI summary
A zebra curtain comprises a curtain rolling device, an upper rail, two fixing brackets, a lower rail and a curtain sheet. Two ends of the curtain sheet are respectively fixed on the upper rail and the curtain rolling device. The upper rail comprises a first shaft sleeve and a second shaft sleeve. The first shaft sleeve comprises a first protruding shaft, and the second shaft sleeve comprises a bearing, a second protruding shaft, a spring and a positioning piece. The curtain sheet comprises light-transmitting parts and light-impermeable portions arranged at intervals. The second protruding shaft moves inside the bearing by the spring pressing to be separated from the fixing bracket and to take off the zebra curtain, then adjusting the light-transmitting parts and the light-impermeable parts, and releasing the second protruding shaft to be axially connected with the fixing bracket, thereby completing the assembly of the zebra curtain.