Cover Panel Concealing Profiles in Sectional Doors
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Solution Overview
Problem
Existing sectional doors with pass doors are complex in production and installation, requiring precise cutting and fitting of profiles, which can be aesthetically unappealing and difficult to manufacture.
Innovation Solution
A sectional door design featuring horizontal sections with primary and secondary pass door sections, where cover panels conceal the profiles, allowing for simplified production and installation by reducing the need for precise profile fitting and enhancing aesthetic appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If profiles are exposed and precisely fitted, then manufacturing precision is improved, but device complexity and ease of manufacture worsen
Solution Approach 1:
The invention extracts the profiles from the visible exterior surface and relocates them to the interior side of the door panel. The cover panel is removed or designed to expose only the necessary functional elements, while the profiles remain hidden during normal operation. This allows precise profile fitting to be performed once during manufacturing without requiring continuous high-precision assembly, as the profiles are not exposed to external viewing.
Solution Approach 2:
The profiles are nested within the door panel structure, specifically positioned in recesses or channels on the interior side. The cover panel is designed to overlay and conceal these nested profiles, creating a layered structure where the aesthetic outer layer masks the functional but less aesthetically critical inner components. This nesting allows for easier manufacturing of individual components while maintaining overall structural integrity.
2Manufacturing precision
If profiles are precisely fitted and exposed, then manufacturing precision is improved, but aesthetic appearance worsens
Solution Approach 1:
The profiles are extracted from the exterior visible surface and relocated to the interior side of the door panel. During normal operation and viewing conditions, the profiles remain hidden, eliminating their negative impact on aesthetic appearance. The cover panel is designed to provide a clean, uninterrupted exterior surface while the precisely fitted profiles serve their structural function concealed within.
Solution Approach 2:
The profiles are nested within recesses or channels on the interior side of the door panel, creating a hierarchical structure where the aesthetic outer layer masks the functional inner components. This nesting arrangement allows the exterior to maintain a smooth, aesthetically pleasing appearance while the nested profiles provide structural support and precise fitting where needed.
3Manufacturing precision
If profiles are precisely cut and fitted, then manufacturing precision is improved, but productivity worsens
Solution Approach 1:
The door panel is segmented into distinct functional layers: the cover panel providing aesthetic exterior, and the profile assembly providing structural function on the interior side. This segmentation allows different manufacturing processes to be applied to different segments - the cover panel can be mass-produced with standard precision, while the profiles receive precise cutting and fitting only once during assembly, eliminating the need for continuous high-precision operations throughout production.
Solution Approach 2:
The profiles are pre-assembled and precisely fitted to the interior side of the door panel during the manufacturing process, before the cover panel is installed. This preliminary action of precise profile fitting is performed once during production rather than requiring continuous precision during final assembly, thereby improving overall production speed while maintaining the necessary manufacturing precision for the structural components.
Data Source
Figure 1
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AI summary
Sectional door (1) comprising a pass door (2). A first main section (101, 102, 103) comprises a first main section edge (121, 122, 123) facing a primary pass door section (201, 202, 203). The primary pass door section (201, 202, 203) comprises a first pass door section edge (221, 222, 223) facing the first main section (101, 102, 103). The first main section (101, 102, 103) comprises a first main door profile (111, 112, 113) at the first main section edge (121, 122, 123). The primary pass door section (201, 202, 203) comprises a first pass door profile (211, 212, 213) at the first pass door section edge (221, 222, 223). The primary pass door section (201, 202, 203) comprises a first cover panel (301, 302, 303) covering both the first main door profile (111, 112, 113) and the first pass door profile (211, 212, 213).