Self-Closing Pivot Hinge With Adjustable Wedge Mounting
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Solution Overview
Problem
Existing self-closing pivot hinges for doors and windows lack versatility in mounting height adjustment and require additional devices for locking and stopping, which complicates installation and functionality.
Innovation Solution
A self-closing pivot hinge with a wedge-shaped upstanding part and tensioning bolt for adjustable mounting height, integrated locking, and stop member, along with a spring for self-closing function, allowing bidirectional operation and noise isolation through a sound-dampening spring housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional pivot hinge is used, then the hinge structure is simple, but the mounting height cannot be adjusted and additional locking/stopping devices are required
Solution Approach 1:
The patent combines multiple functions (mounting, locking, stopping, and height adjustment) into a single integrated hinge device. The wedge-shaped upstanding part with counterpart and tensioning bolt integrates both mounting and locking functions, while the stop member is incorporated within the hinge body, eliminating the need for separate devices and reducing overall system complexity despite increased functional versatility.
Solution Approach 2:
The hinge is designed with multi-functionality to perform mounting, locking, stopping, and height adjustment operations. The wedge-shaped mechanism serves both as a mounting structure and a locking mechanism, while the tensioning bolt provides both adjustment and securing functions, making the hinge adaptable to various mounting heights and conditions without requiring multiple separate components.
2Reliability
If additional locking and stopping devices are added, then the functionality is complete, but the device complexity and installation complexity increase
Solution Approach 1:
The locking function is integrated into the wedge-shaped upstanding part and counterpart mechanism, where the wedge geometry inherently provides both mounting and locking capabilities. The stop member is incorporated within the hinge body structure itself, combining stopping functionality with the main hinge component. This merging reduces the number of separate parts while maintaining reliable locking and stopping functions.
3Ease of operation
If the spring is exposed, then the self-closing function is simple, but noise is generated
Solution Approach 1:
The spring is nested within the hinge body structure, specifically housed inside the wedge-shaped upstanding part. This nesting conceals the spring from external view and isolates it within the hinge assembly, preventing noise generation while preserving the self-closing function. The spring remains functional within the confined space without requiring external exposure.
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 solution provides a multifunctional hinge that can be mounted at selectable heights, eliminates the need for additional locking and stopping devices, and offers adjustable self-closing functionality, enhancing applicability and user convenience while reducing noise.
Implementation Method 1
a spring mounted along the rotation axis and providing a self-closing function to the pivot hinge
Implementation Method 2
The second part of the pivot hinge comprises a wedge-shaped upstanding part with counterpart and tensioning bolt for clamping the pivot hinge on a selectable height in a corresponding groove of a frame
Data Source
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AI summary
The self-closing pivot hinge according to the invention comprises a first part attachable to a door/window and a second part attachable to a door/window frame. The first and second parts are rotatable with respect to each other about a rotation axis from a closed position to at least a first open position. The hinge further comprises a spring mounted along the rotation axis and providing a self-closing function to the pivot hinge. The second part of the pivot hinge comprises a wedge-shaped upstanding part and a wedge-shaped counterpart, joined together by means of a tensioning bolt, for clamping the pivot hinge on a selectable height in a corresponding groove of a frame part provided on the side of the opening.