Pivot Door Hinge With External Orthogonal Position Adjustment
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Solution Overview
Problem
Conventional pivot door hinges are cumbersome to adjust, require space within the door wing, and can cause irregular wear and noise due to poor maintenance or misalignment of rotation pins.
Innovation Solution
A hinge design that allows external adjustment of the door wing position using orthogonal axes, featuring a connecting element with a tapered portion and elastic members for easy positioning, and a thread system for precise alignment, with components mostly outside the door wing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a conventional hinge with separate pin and mounting bracket is used, then the hinge can be manufactured using standard processes, but the hinge body becomes bulky and protrudes from the door, creating safety hazards and aesthetic issues
Solution Approach 1:
The patent combines the pin and mounting bracket into a single integrated hinge body. The pin is formed as an integral part of the mounting bracket, eliminating the need for separate components and fasteners. This merging reduces the overall size and profile of the hinge while maintaining structural integrity and functionality.
Solution Approach 2:
The hinge leaf is received within a recess of the mounting bracket, creating a nested configuration. This nesting allows the hinge leaf to be partially concealed within the hinge body, further reducing the protruding profile and creating a more compact overall shape.
2Ease of operation
If the hinge pin is exposed and accessible, then the hinge can be easily assembled and disassembled, but the exposed pin creates safety hazards for children and allows unauthorized opening of the door
Solution Approach 1:
The hazardous exposed pin is extracted and replaced with a recessed configuration. The pin is set back within the mounting bracket, and the hinge leaf covers the pin area, effectively removing the safety hazard while maintaining the hinge's assembly and disassembly functionality through the recessed design.
Solution Approach 2:
The hinge leaf acts as an intermediary component that covers and protects the pin. By positioning the hinge leaf to overlap the pin area, it provides a protective barrier that prevents direct access to the pin, thereby eliminating the safety hazard while allowing the hinge to function normally.
3Ease of manufacture
If the hinge components are separate and require multiple fasteners, then the hinge can be manufactured with standard tolerances, but the multiple holes and fasteners increase the risk of losing small parts during assembly
Solution Approach 1:
The pin and mounting bracket are merged into a single integral component, eliminating the need for separate fasteners to join these parts. This reduction in the number of components simplifies the assembly process and eliminates the risk of losing small fastener parts, while the integral design can be manufactured using standard tolerances.
Data Source
Figure 1~2
Figure 3~4
Figure 5~8
AI summary
The present invention relates to a hinge (5, 6) for a pivot door (1) comprising a wing (4) which rotates about an axis of rotation (R). This hinge (5, 6) comprises: an anchoring element (7) suitable for being inserted and fixed, in use, in a cavity formed in a floor (P) or in a wall (S), and a connecting element (42) to connect, in use, the hinge (5, 6) to the wing (4) of the pivot door (1); the connecting element (42) being rotatable about an axis of rotation with respect to the anchoring element (7). The aforementioned hinge (5, 6) also includes a first adjustment system for adjusting the position of the connecting element (42), and therefore, also of said wing (4), according to a predetermined axis with respect to the anchoring element (7); and a second adjustment system for adjusting the position of the connecting element (42), and therefore, also of said wing(4), on a predetermined plane substantially orthogonal to said predetermined axis. Said second adjustment system comprises a movable member (19) which is movable, with respect to the anchoring element (7), on a plane substantially parallel to said predetermined plane and is provided with at least one tapered portion (21). Said second adjustment system also comprises a plurality of adjustment elements (27) facing the tapered portion (21) of the movable member (19) and movable along a respective movement axis substantially orthogonal to said predetermined plane so that said elements (27), moving along said respective movement axis, exert on said tapered portion (21) a thrust having at least one force component directed parallel to said predetermined plane thus causing the movable member (19) to move on a plane substantially parallel to said predetermined plane.