Angled Door Hinge Link Guide for Compact Installation
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Solution Overview
Problem
Conventional door hinges with offset receiving bodies require significant space and create a wide, stepped gap when used with doubled door frames, affecting the door's appearance and functionality, especially when trying to achieve a flush arrangement.
Innovation Solution
The door hinge features angled or arcuate link guides that allow for a pivoting movement of 180° while minimizing the required space, with the link guide of the door frame receiving body sloping at angles between 45° to 75° or being curved, enabling the door leaf to open without jamming and reducing the depth needed in the door frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the receiving bodies have considerable depth to accommodate straight link guides, then the door hinge can function properly, but deep recesses must be provided in the door frame and door leaf, increasing installation complexity
Solution Approach 1:
The link guides are designed with curved or arcuate paths instead of straight lines, allowing the hinge brackets to pivot through a compact range of motion. This curvature enables the door leaf to open 180° without requiring deep recesses, as the curved path accommodates the pivoting movement within a smaller depth envelope.
Solution Approach 2:
The link guides are oriented at angles between 45° to 75° relative to the front surfaces of the door leaf, utilizing the depth dimension more efficiently. This angular orientation allows the link guides to extend further in the horizontal direction rather than requiring excessive depth, thereby reducing the required recess depth while maintaining functionality.
2Ease of operation
If the doubling is shortened to enable the door leaf to swing open without jamming, then the door leaf can open fully, but a wide, stepped gap is formed on the outside of the door, affecting appearance
Solution Approach 1:
The curved link guides enable the door leaf to pivot through a larger angle (up to 180°) without requiring the doubling to be shortened. The curved path provides the necessary clearance for full opening while maintaining the original length of the doubling, thus preserving the flush appearance and eliminating the stepped gap.
Solution Approach 2:
The hinge system is designed to dynamically adapt its movement path through the angled and curved link guides, allowing the door leaf to swing open fully without jamming while keeping the receiving bodies at their original positions. This dynamic movement capability eliminates the need to shorten the doubling for operational clearance.
3Volume of moving object
If the link guides are arranged at angles of 45° to 75° or are curved, then the required space is minimized, but the link guides must be of sufficient length to enable 180° pivoting
Solution Approach 1:
By orienting the link guides at angles of 45° to 75° relative to the door leaf front surfaces, the design exploits the horizontal dimension more effectively. This angular arrangement allows the link guides to achieve sufficient effective length for 180° pivoting while minimizing their projection in the depth dimension, thereby reducing the required installation space.
Solution Approach 2:
The curved or arcuate configuration of the link guides allows them to pack more efficiently within the available space. The curvature enables the link guides to achieve the necessary length for full pivoting motion while following a compact path that minimizes the overall volume occupied by the hinge mechanism.
Data Source
Figure 1
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AI summary
The door hinge has a door wing-receiving body (5) which is inserted in a recess in a narrow side of a door wing (2). A door frame-receiving body (6) is inserted in a recess in a reveal side of a door frame (1). The hinge brackets (8a,8b) are connected around a vertical connecting axis (9) in a pivoting manner. A guide bar of the door frame-receiving body runs straight and is arranged opposite to the front surfaces (7a,7b) of the door wing in its closed position in an angle of 45 degree. An independent claim is also included for a door with an open sheathing.