Cabinet Lock Hinge Adhesive Shear Resistance
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Solution Overview
Problem
Existing child safety devices for cabinets and drawers often lack sufficient shear resistance and adaptability to various cabinet structures, leading to inadequate protection against unauthorized access.
Innovation Solution
A cabinet lock system featuring a cabinet-door catch with an integrated hinge that allows it to conform to different cabinet frames, maximizing adhesion area and resistance to pull-out forces without the need for fasteners, and engaging with a cabinet-door latch to control access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing child safety devices are used, then they provide basic access restriction, but they lack sufficient shear resistance and adaptability to various cabinet structures
Solution Approach 1:
The catch body incorporates a hinge that allows it to dynamically change its configuration between a first configuration (body panels extending along a common plane) and a second configuration (body panels arranged at an angle to one another), enabling adaptation to different cabinet frame structures while maintaining secure engagement and shear resistance
Solution Approach 2:
The device changes the geometric parameters of the catch body through the hinge mechanism, allowing the body panels to be positioned at different angles and orientations depending on the cabinet frame type, thereby achieving both adaptability and structural integrity
2Strength
If fasteners are used to attach the catch to the cabinet frame, then attachment strength is improved, but the integrity of the cabinet frame is compromised
Solution Approach 1:
The invention replaces the mechanical fastening system (screws, nails, or other fasteners) with an adhesive bonding system, where an adhesive layer is applied between the catch body and the cabinet frame to create a strong attachment without penetrating or damaging the frame structure
Solution Approach 2:
The attachment method transitions from mechanical interlocking (fasteners) to chemical bonding (adhesive), changing the fundamental mechanism of attachment while achieving equivalent or superior strength without frame damage
3Strength
If the catch body is made rigid to maintain structural integrity, then strength is improved, but adaptability to different cabinet frames is reduced
Solution Approach 1:
The catch body is segmented into multiple body panels interconnected by a hinge, allowing the structure to be flexible in configuration while each panel maintains its structural integrity and strength through proper material selection and panel design
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 restricts unauthorized access by providing enhanced shear resistance and adaptability to multiple cabinet designs, meeting safety standards while preserving the integrity of the cabinet frame without using fasteners.
Implementation Method 1
The adhesive layer is configured to secure the cabinet-door catch to the cabinet frame
Data Source
AI summary
A cabinet lock includes a cabinet-door latch and a cabinet-door catch. The cabinet-door latch is configured to be fixed to a cabinet panel for movement with the cabinet panel between a closed position blocking access to a cabinet opening and an opened position exposing the cabinet opening. The cabinet-door catch is configured to engage selectively with the cabinet-door latch to block the cabinet panel from moving from the closed position to the opened position.