Child-Resistant Roller Blind Lifting Rod with Hidden Traction
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Solution Overview
Problem
Existing roller blind window decorations pose a safety hazard due to exposed pull ropes or bead chains that children can accidentally hook onto, leading to potential injury.
Innovation Solution
A child-resistant roller blind lifting fixing rod is designed, featuring a guide rail rod body with accommodating cavities for the pull rope or bead chain, and a lifting handle with triggering ends and clamping portions that securely hold the traction piece, preventing accidental pulling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pull rope or pull bead chain is exposed for traditional roller blind operation, then the lifting function is simple and easy to operate, but children may be hooked to the exposed part causing safety hazards
Solution Approach 1:
The pull rope or pull bead chain is nested inside the guide rail rod body, specifically within accommodating cavities formed in the guide rail rod body. This nesting arrangement hides the potentially hazardous exposed components while maintaining the lifting function through controlled access points.
Solution Approach 2:
The guide rail rod body is segmented with multiple accommodating cavities distributed along its length, each cavity housing a portion of the pull rope or pull bead chain. This segmentation allows the hazardous component to be distributed and contained throughout the structure rather than exposed in one location.
2Reliability
If the pull rope is hidden inside the guide rail rod body to prevent child access, then safety is improved, but the operation mechanism becomes more complex
Solution Approach 1:
The accommodating cavities are pre-formed in the guide rail rod body during manufacturing, with openings positioned to allow easy access for the pull rope or pull bead chain. This preliminary preparation ensures that the safety feature does not complicate the operation, as the structure is already configured to facilitate the intended use.
3Reliability
If accommodating cavities are added to the guide rail rod body to hide the pull rope, then safety is enhanced, but the device complexity increases
Solution Approach 1:
The accommodating cavities are merged into the guide rail rod body as an integrated feature rather than separate components. The cavities are formed directly in the rod body material, combining the structural support function with the safety containment function in a single unified component.
Data Source
AI summary
The present invention relates to a child-resistant roller blind lifting fixing rod and a use method thereof. The child-resistant roller blind lifting fixing rod includes a guide rail rod body and a lifting handle, where accommodating cavities are disposed on two sides of the guide rail rod body along an axial direction in a cut-through manner; the lifting handle includes a housing slidably sleeved on the guide rail rod body along the axial direction and a first handle control piece and a second handle control piece correspondingly mounted on two sides of the housing, and each of the first handle control piece and the second handle control piece is provided with a triggering end and a clamping portion corresponding to the traction piece of a roller blind. The overall operation of the present invention is safe and reliable, and thus can prevent from being pulled by children.