Hinged Wall Anchor for Plasterboard Fixing Without Pre-Drilling
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Solution Overview
Problem
Conventional wall fixings for plasterboard walls require pre-drilled holes, which can be time-consuming and may result in insecure fixation due to the friable nature of plasterboard, necessitating a solution that eliminates the need for pre-drilling and ensures secure attachment.
Innovation Solution
A wall anchor comprising an L-shaped portion with a hinge and a resilient member that allows it to be deployed without pre-drilling, featuring a pointed end for penetration and a mechanism to secure itself to the wall with a screw, ensuring firm fixation without visible external components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pre-drilled hole is used for wall fixing, then the fixing can be inserted through the hole, but the hole may be inadvertently enlarged due to the friable nature of plasterboard resulting in insecure fixation
Solution Approach 1:
The wall anchor is divided into two main segments: an L-shaped portion that spans the wall and an elongate back portion that engages the inner surface. This segmentation allows the anchor to distribute fixation forces across multiple points rather than relying on a single pre-drilled hole, thereby maintaining secure fixation without requiring precise hole size control in friable plasterboard.
Solution Approach 2:
The invention transitions from a single-point fixation (through a pre-drilled hole) to a multi-dimensional fixation system. The L-shaped portion spans across the wall thickness while the elongate back portion engages the inner surface, creating a three-dimensional fixation structure that compensates for the inability to control hole size in plasterboard.
2Ease of operation
If pre-drilling is required for wall fixing, then the fixing can be installed, but the process is time-consuming and requires expertise and access to drilling equipment
Solution Approach 1:
The wall anchor is designed to be self-installing without requiring pre-drilling. The L-shaped portion with its pointed end allows the anchor to be directly pressed against the wall surface and inserted through the plasterboard, eliminating the need for external drilling equipment and expertise. The resilient member then secures the anchor in place through elastic engagement.
Solution Approach 2:
The wall anchor incorporates a pre-configured resilient member that is already attached to the elongate back portion before installation. This preliminary preparation allows the anchor to be ready for immediate insertion without requiring any preliminary hole preparation, significantly reducing installation time and simplifying the operation.
3Ease of manufacture
If a wall fixing requires pre-drilled holes, then the fixing can be inserted, but visible external components may remain affecting aesthetics
Solution Approach 1:
The wall anchor is segmented into an L-shaped portion that spans the wall and an elongate back portion that engages the inner surface. This segmentation allows the functional components to be positioned where they are needed while minimizing visible external components, improving aesthetic appearance without compromising installation ease.
Solution Approach 2:
By transitioning to a three-dimensional fixation structure where the elongate back portion engages the inner surface of the wall, the invention positions the majority of the fixation mechanism inside the wall cavity. This dimensional arrangement hides the fixation components from external view while maintaining simple installation procedures.
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 easy and secure attachment to plasterboard walls without pre-drilling, providing a stable and aesthetically pleasing solution by using a resilient member to maintain the anchor's position and align with the screw for firm fixation.
Implementation Method 1
a resilient member which urges the elongate back portion to adopt a substantially perpendicular position relative to the second arm of the L-shaped portion
Data Source
AI summary
There is described provides a wall anchor for fixing to a hollow wall, such as a plasterboard wall, wherein said anchor comprises an L-shaped portion with a first arm and a second arm, an elongate back portion adapted to engage the inner surface of the wall, a hinge which connects the second arm of said L-shaped portion to said elongate back portion, and a resilient member which urges the elongate back portion to adopt a substantially perpendicular position relative to the second arm of the L-shaped portion. A method of deploying the wall anchor is also described.