Invisible Hidden Door Hinge Single Metal Sheet Design
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Solution Overview
Problem
Existing invisible hidden door hinges face challenges in material efficiency and cost due to complex geometric shapes and high precision requirements, often resulting in excessive material usage and aesthetic issues, particularly when attempting to maintain mechanical strength and prevent foaming material intrusion.
Innovation Solution
A structurally perfected invisible hidden hinge design utilizing a single metal sheet to form the support structure and movable bodies, allowing for efficient material usage and integration of adjusting actuators within the hinge components, reducing material thickness while maintaining mechanical performance and protecting against foaming materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex geometric shapes and high precision details are used in hinge components to ensure mechanical strength and correct operation, then reliability is improved, but manufacturing cost and material usage increase
Solution Approach 1:
The patent combines multiple hinge components (support structure, movable bodies, articulation device) into a single integrated component made from one metal sheet. This merging eliminates the need for separate manufacturing and assembly of multiple precision parts, reducing manufacturing cost while maintaining the structural integrity and mechanical strength through the integrated design.
Solution Approach 2:
The patent changes the material parameter from traditional multi-component construction to a single metal sheet material. By utilizing the inherent properties of the metal sheet and applying forming techniques, the design achieves the required mechanical strength without the need for complex geometric shapes and high precision details in multiple separate components.
2Reliability
If greater material thickness is used to maintain mechanical strength, then reliability is improved, but material efficiency and aesthetic appeal deteriorate
Solution Approach 1:
The patent segments the metal sheet into functional zones with different thicknesses. The support structure and critical load-bearing areas maintain adequate thickness for mechanical strength, while non-critical areas are reduced in thickness to improve material efficiency and aesthetic appearance. This segmented approach allows optimization of material distribution according to actual structural requirements.
3Reliability
If traditional multi-component hinge structure is used to ensure functionality, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent merges the support structure, movable bodies, and articulation device into a single integrated component. This eliminates the need for multiple separate parts and their associated connection elements, significantly reducing device complexity while maintaining all necessary hinge functionalities through the integrated design.
4Loss of substance
If open structure is used to reduce material usage, then material efficiency is improved, but protection against foaming material intrusion deteriorates
Solution Approach 1:
The patent applies different structural qualities to different locations of the hinge component. The metal sheet is formed to create enclosed or semi-enclosed spaces in areas where foaming material intrusion must be prevented, while maintaining thinner sections and more open structures in areas where material efficiency is prioritized. This local differentiation of structural quality allows simultaneous achievement of material efficiency and protection against harmful factors.
Data Source
AI summary
In a invisible hidden door hinge (1), a first connecting body (2a) and a second connecting body (2b) are connected together by an articulation device (3) which allows the relative movement between a condition of opening and a closed condition in which the first (2a) and the second (2b) connecting body define a seat in which the articulation device (3) is enclosed. At least one of the connection bodies (2a, 2b) comprises a support structure (4a, 4b) in which, for a position adjustment, at least one movable body (5a, 5b) is housed which is shaped from a respective single metal sheet in a single concave piece having concavity defined by a bottom (52a, 52b) and by side walls (53a, 53b) that realize a continuous peripheral edge of the bottom (52a, 52b), joined to the bottom (52a, 52b) without interruption of the material of which said respective single metal sheet consists of and surrounding the bottom (52a, 52b) on at least three consecutive sides.