Adjustable Wall Cupboard Holder for Shear-Resistant Anchoring
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Solution Overview
Problem
Existing wall cupboard holders fail to provide effective, long-lasting, and safe anchoring to walls, especially when subjected to shear forces due to the reduction in wall cupboard panel thickness and increased loading, leading to instability and potential falls or breaks.
Innovation Solution
A visible and adjustable wall cupboard holder group featuring a hooking element with adjustable depth and inclination, a side flange with fixing means such as screws or expansion pegs, and elements resistant to shear forces like cylindrical plugs, ensuring stable positioning and resistance to loading forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If wall cupboard holders use traditional box-shaped plastic bodies with self-threading screws or pressure-yielding plugs, then assembly is simple and economical, but the coupling cannot effectively resist shear forces when the cupboard is loaded, leading to instability and potential failure
Solution Approach 1:
The wall cupboard holder is divided into two separate components: a fixing plate that attaches to the cupboard shoulder and a hook element that suspends the cupboard. This segmentation allows each component to be optimized for its specific function - the fixing plate for secure attachment and the hook for load-bearing suspension - thereby improving reliability while maintaining assembly simplicity.
Solution Approach 2:
The invention transitions from traditional point-based or line-based attachment to a surface-based attachment system. The fixing plate distributes attachment forces across a larger surface area of the cupboard shoulder, significantly improving the coupling's ability to resist shear forces while maintaining ease of installation through standard drilling and screwing operations.
2Ease of operation
If wall cupboard holders use traditional attachment methods with screws or expansion pegs, then assembly is easy, but the coupling fails to provide long-lasting and safe anchoring under increased loading conditions and reduced panel thickness
Solution Approach 1:
By separating the attachment function (fixing plate) from the suspension function (hook element), the design allows the fixing plate to be permanently and securely attached to the cupboard shoulder using standard screws, ensuring long-lasting anchoring. The hook element can be independently adjusted and positioned, maintaining ease of operation during assembly while improving overall durability under load.
Solution Approach 2:
The fixing plate is designed to be pre-attached to the cupboard shoulder before the hook element is installed. This preliminary action ensures that the attachment points are established and secured first, creating a stable foundation that can withstand long-term loading conditions while keeping the assembly process straightforward and sequential.
3Device complexity
If wall cupboard holders use traditional single-component designs, then the structure is simple, but the coupling cannot effectively resist shear forces generated when the cupboard is loaded
Solution Approach 1:
The two-component design (fixing plate + hook element) separates the functions of attachment and suspension, allowing the fixing plate to specifically address shear force resistance through its surface-area-based attachment method, while the hook element handles the suspension function. This segmentation improves shear force resistance without significantly increasing overall structural complexity.
Solution Approach 2:
The invention combines the fixing plate and hook element into a coordinated system where the fixing plate provides stable attachment to the cupboard shoulder and the hook element provides adjustable suspension. This merging of functions into a integrated two-component system achieves effective shear force resistance while maintaining relatively simple overall structure and assembly procedures.
Data Source
AI summary
An adjustable wall cupboard holder group (10) for anchoring a cupboard (11) to the wall comprises at least one element resistant to shear forces (20) which collaborates with fixing means (19) for a stable positioning of said wall cupboard holder group (10) on the shoulder (12) of the cupboard.