Telescopic Roller Blind End Plug for Level Mounting
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Solution Overview
Problem
Existing roller blind mounting systems face challenges such as the need for precise dimensioning of locking mechanisms, cumbersome level adjustment, and compatibility issues with slanted surfaces, leading to potential misalignment and damage to the blind material.
Innovation Solution
A roller blind mounting system featuring a telescopic end plug with a locking ring and a leveler module that includes a rotatable mounting tray with hooks and locator beads, allowing for easy alignment and secure mounting on brackets, even on uneven surfaces, and enabling single-handed operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a C-clip locking mechanism is used for the telescopic end plug, then the roller is secured against axial movement, but the C-clip must be precisely dimensioned to fit the projecting portion, creating compatibility issues
Solution Approach 1:
The locking ring is designed with a universal structure that can accommodate different diameters of the telescopic member's projecting portion through its elastic deformation capability. The C-shaped cross-section with radial thickness allows it to flex and adapt to various sizes, making a single locking ring design compatible across different roller blind configurations without requiring precise dimensioning for each specific case.
Solution Approach 2:
The locking ring utilizes elastic deformation as a key parameter change mechanism. By making the locking ring from an elastic material and designing it with appropriate radial thickness, it can dynamically adjust its inner diameter to match the telescopic member's projecting portion. This elastic parameter change allows the same locking ring to securely lock different sizes of telescopic members.
2Reliability
If a grub screw locking mechanism is used for the locking ring, then the ring can be securely locked in place, but the grub screw becomes difficult to reach and operate
Solution Approach 1:
The locking mechanism uses the bracket itself as an intermediary element. The locking ring engages with the bracket's peripheral surface, and the grub screw locks the ring against this bracket surface. This intermediary arrangement allows the grub screw to be positioned on the outer periphery of the locking ring where it is easily accessible, while still achieving reliable locking through the bracket's structural support.
3Ease of manufacture
If traditional mounting brackets are used on slanted surfaces, then the roller can be mounted, but misalignment and potential damage to the blind material occur
Solution Approach 1:
The system introduces adjustability through the telescopic end plug mechanism that allows the roller's effective position to be dynamically adjusted. By making the end plug telescopic rather than fixed, the system can compensate for variations in bracket mounting positions on slanted surfaces, maintaining proper alignment of the blind material even when brackets are mounted on non-horizontal surfaces.
4Ease of operation
If the end plug is made telescopic to facilitate installation, then the roller can be easily fitted between brackets, but additional locking means are required to prevent inadvertent retraction
Solution Approach 1:
The locking function is merged with the bracket structure itself. The locking ring engages with the bracket's peripheral surface, and the grub screw on the locking ring utilizes the bracket as part of the locking architecture. This merging eliminates the need for separate locking structures and integrates the locking mechanism into the existing bracket design, reducing overall system complexity.
Data Source
AI summary
A roller blind mounting system including at least one roller, at least one telescopic end plug and at least two brackets. The telescopic end plug is engageable within an end-opening of one of said rollers. The end plug includes a hollow body and a telescopically movable member or plunger co-axially positionable with respect to the hollow body such that a first axial extending length portion of the plunger projects from the hollow body and a second axial extending length portion is held within the hollow body. The plunger is telescopically movable between a first end position in which the first portion of the plunger projects from the cylindrical body and a second end position in which at least part of the first portion is inserted into the cylindrical body.