Pivoting Guide Bushing for Door Hinge Alignment
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Solution Overview
Problem
Existing door hinges require complex alignment and reassembly to adjust the distance between the door leaf and frame, leading to inclined door leaves and instability, especially under varying weather conditions.
Innovation Solution
A fitting part with a band part and a guide bushing in a bearing sleeve, equipped with a pivoting device that allows pressure regulation, enabling the door leaf to be centered relative to the frame without reassembly, using a pivoting device with an actuating element and a tongue-and-groove connection to facilitate pivoting and secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional door hinges are installed, then the door can rotate and pivot, but complex alignment and reassembly are required to adjust the distance between the door leaf and frame
Solution Approach 1:
The guide bushing is designed to be pivotable within the bearing sleeve, allowing dynamic adjustment of the hinge axis position. This enables the door leaf distance to the frame to be adjusted after installation without complex reassembly, resolving the contradiction between ease of operation and device complexity
Solution Approach 2:
The pivoting mechanism allows the hinge to self-adjust to the correct alignment position. The guide bushing can pivot freely to accommodate variations in door leaf positioning, eliminating the need for complex manual alignment procedures during installation
2Ease of manufacture
If the hinge is installed without precise alignment, then installation is simpler, but the door leaf becomes misaligned and unstable
Solution Approach 1:
The pivotable guide bushing provides dynamic compensation for alignment variations. Even if installed without precise alignment, the guide bushing can pivot to achieve the correct door leaf positioning, ensuring both installation simplicity and long-term stability
Solution Approach 2:
The hinge allows change in the positional parameter of the door leaf relative to the frame through pivoting of the guide bushing. This enables the system to adapt from an initially imprecise installation to a stable, correctly aligned final position
3Adaptability or versatility
If the door leaf warps due to weather changes, then the door must be reinstalled, but this causes loss of time and inconvenience
Solution Approach 1:
The pivotable guide bushing provides continuous adaptability to weather-induced warping. As the door leaf warps, the guide bushing pivots to maintain proper alignment, eliminating the need for reinstallation and avoiding time loss
Solution Approach 2:
The pivoting mechanism acts as a passive feedback system that automatically compensates for warping. The guide bushing continuously adjusts its position in response to changes in door leaf geometry, maintaining stability without requiring external intervention or reinstallation
Data Source
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AI summary
The invention relates to a fitting part (1), preferably intended for use as a wing-side fitting part (1) of a wing (2), in particular a surface-mounted hinge (3) of a door and/or a window, with a hinge part (4), in particular a wing hinge, a guide bushing (6) arranged in a bearing sleeve (5) of the hinge part (4) with a hinge axis (7) and/or for receiving a hinge axis (7) and with a pivoting device (8) for pivoting the guide bushing (6) in the bearing sleeve (5) to achieve pressure regulation.