Hidden Wall Cupboard Bracket With Anti-Disengagement Flap Lock
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Solution Overview
Problem
Existing hidden hanging brackets for wall cupboards are prone to accidental disengagement due to vertical and horizontal forces, especially at low installation heights, posing a risk to safety and requiring costly and complex material processing for effective anti-disengagement systems.
Innovation Solution
A hidden hanging bracket with a perfected anti-disengagement system featuring a bead with a threaded section, tip, and shaped head that engages with a horizontal flap on the wall support, forming side stops without additional material or processing costs, ensuring secure attachment and easy disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a hidden hanging bracket is used for wall cupboards, then the assembly is simplified and aesthetics are improved, but the risk of accidental disengagement increases due to vertical and horizontal forces
Solution Approach 1:
The anti-disengagement system is segmented into multiple independent elements: a bead with threaded section for vertical force resistance, side blocking elements for horizontal force resistance, and a hook structure. Each element addresses specific disengagement risks independently, providing comprehensive safety without complicating the overall assembly process.
Solution Approach 2:
The bead is pre-assembled on the hook with its threaded section positioned to engage with the support before the cupboard is installed. The side blocking elements are pre-positioned to interfere with horizontal movements. This preliminary arrangement ensures anti-disengagement protection is automatically activated upon installation without requiring additional steps.
2Reliability
If an anti-disengagement system is added to prevent accidental disengagement, then safety is improved, but the device complexity and material processing costs increase
Solution Approach 1:
The anti-disengagement elements (bead, side blocking elements) are integrated directly onto the hook structure, which is already part of the hanging bracket assembly. The bead is assembled on the hook's threaded section, and side blocking elements are positioned to work with the hook geometry. This merging eliminates the need for separate anti-disengagement devices and reduces overall system complexity.
Solution Approach 2:
The hook structure serves multiple functions: it provides the primary hanging function, incorporates the bead for vertical force resistance, and includes side blocking elements for horizontal force resistance. The support structure also serves dual purposes as both the mounting surface and the engagement surface for the bead and side stops. This multi-functionality reduces the number of separate components needed.
3Reliability
If the bead is positioned to engage with the support for anti-disengagement, then vertical force resistance is improved, but interference with wall fixing dowels may occur
Solution Approach 1:
The bead is positioned at a specific location on the hook where it engages with a dedicated engagement surface on the support, away from the wall fixing dowel locations. The side blocking elements are positioned laterally to interfere with horizontal movements without affecting the vertical dowel insertion path. This localized positioning ensures each element performs its function without interfering with others.
4Reliability
If side blocking elements are added to prevent horizontal disengagement, then lateral force resistance is improved, but the device complexity increases
Solution Approach 1:
The side blocking elements are positioned asymmetrically on the hook, with each element tailored to block horizontal movement in its specific direction. The blocking elements utilize the natural asymmetric geometry of the hook and support structures, requiring minimal additional components while providing effective lateral force resistance.
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
The system effectively prevents accidental disengagement from both vertical and horizontal forces, ensuring safety and simplifying assembly by avoiding interference with wall fixing dowels, while allowing easy release and reassembly.
Implementation Method 1
a bead (21) comprising a threaded section (22), a tip (23) and a shaped head (24) for a maneuvering tool
Implementation Method 2
the tip (23) of which is engaged with a horizontal flap (16A), folded directly from the section (16) of bar (17)
Implementation Method 3
a shaped head (24) for a maneuvering tool
Data Source
AI summary
A hidden hanging bracket with an anti-disengagement system for wall cupboards, wherein a wall cupboard is hooked to a support fixed to the wall by a hooking tooth, includes, in combination: a base on which a slide runs, carrying a regulation mechanism in depth (horizontal) with a lead screw with which the hooking tooth is integral, a height regulation mechanism (vertical) with a lead screw, and a bead suitable for interfering with the support. The bead is screwed onto the slide in a position below and substantially opposing (not completely offset) with respect to the tooth, and the tip or end part of the bead is engaged with a flap (horizontal edge) folded directly from the support fixed to the wall.