Awning Guide Rail Pivot Mechanism for Stress-Free Drainage
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Solution Overview
Problem
Awnings with variable support columns suffer from stress induction and bending due to changing geometry when adjusted in height, leading to potential water pocket formation and structural damage.
Innovation Solution
The awning design features articulated connections between guide rails and supports, allowing the guide rail to pivot relative to the support about a parallel axis, and disengage laterally to compensate for changes in distance between pivot points, preventing stress and enabling rainwater runoff without structural damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the support column length is adjusted to allow rainwater runoff, then water drainage capability is improved, but stress and bending occur within the construction
Solution Approach 1:
The support column is designed with telescopic sections that can dynamically adjust length. When rainwater needs to drain, the support column can be extended or reconfigured to create the necessary slope, and when not needed, it returns to its compact state. This dynamic adjustment allows the awning to adapt to different weather conditions without permanent structural modification.
Solution Approach 2:
The support column is divided into multiple telescopic sections that can independently adjust. This segmentation allows selective extension of specific sections to create the required incline for water drainage, while other sections remain stationary, distributing the mechanical stress across multiple joints rather than concentrating it in a single location.
2Object-affected harmful factors
If the support column length is changed to prevent water pockets, then drainage function is improved, but the guide rail and support column bend due to changing geometry
Solution Approach 1:
The articulated connection enables the guide rail to dynamically pivot relative to the support column about a horizontal axis. When the support column length changes to create drainage slope, the guide rail automatically adjusts its angle through the articulated joint, maintaining proper alignment without bending or distortion of either component.
Solution Approach 2:
The articulated connection changes the geometric parameters of the guide rail orientation in response to support column length adjustments. By allowing rotation about the articulated axis, the system transforms the linear dimension change (support column extension) into an angular adjustment (guide rail inclination), preventing bending while achieving the desired drainage slope.
3Strength
If an articulated connection is used between guide rail and support column, then stress induction is reduced, but the structure becomes more complex
Solution Approach 1:
The articulated connection provides a single degree of freedom rotation about a horizontal axis, which is sufficient to accommodate support column length changes. This limited dynamic capability simplifies the mechanism compared to universal joints or multi-axis connections, while still effectively reducing stress induction by allowing natural geometric adaptation.
Data Source
Figure 1
Figure 2a~2b
Figure 3a~3b
AI summary
The invention relates to an awning with at least one shading element (3), the front end of which is attached to an extension profile (2), wherein the extension profile (2) is guided movably on guide rails (4, 5) in the extension direction (6) and the front ends of the guide rails (4, 5) in the extension direction (6) are supported by supports (14, 15), wherein at least one support (14, 15) is length-adjustable and wherein the connection between a support (14, 15) and the guide rail (4, 5) supported by this support (14, 15) is formed by a hinge connection between the guide rail (4, 5) and the support (14, 15), wherein the hinge connection allows the guide rail (4, 5) to pivot relative to the support (14, 15) about a hinge axis parallel to the extension profile (2) and the hinged joint parts of the hinge connection articulate relative to each other parallel to the hinge axis. are deployable.