Sliding Door Leaf Strap Structure Without a Rigid Frame
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Solution Overview
Problem
Existing door leaves for sliding doors require a rigid frame to support the main component, which increases material usage, assembly time, and costs, while compromising optical appearance and longevity.
Innovation Solution
A door leaf design that utilizes a carrier profile attached to the main component via an adhesive connection and a strap, with tensioning mechanisms, eliminating the need for a weight-bearing frame, and incorporating utility profiles for additional support and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid frame is provided to support the main component, then the longevity and safety are improved, but the material usage, assembly time, and costs increase
Solution Approach 1:
The frame structure is segmented into a carrier profile that provides primary structural support and a separate strap that provides additional securing. This segmentation allows each component to be optimized for its specific function, reducing overall material usage while maintaining reliability.
Solution Approach 2:
The invention extracts the weight-bearing function from a complete rigid frame and concentrates it into a carrier profile at the upper end face. The strap is then extracted as a separate securing element, eliminating the need for a full frame while maintaining structural integrity.
2Reliability
If a rigid frame is provided to support the main component, then the longevity is improved, but the assembly time and costs increase
Solution Approach 1:
By segmenting the support system into a carrier profile and a strap, the assembly process is simplified. The carrier profile is pre-installed to provide primary support, and the strap is then quickly attached to secure the main component, significantly reducing assembly time compared to constructing a complete rigid frame.
3Strength
If a rigid frame is provided to support the main component, then the structural integrity is improved, but the optical appearance is compromised
Solution Approach 1:
The invention extracts the essential structural function from a visible rigid frame and concentrates it into a carrier profile that can be minimally visible or integrated into the door design. The strap provides additional securing without requiring a complete frame structure, thereby preserving optical appearance while maintaining structural integrity.
4Quantity of substance
If a strap is attached to the carrier profile to secure the main component, then the material usage is reduced, but the assembly complexity increases
Solution Approach 1:
The strap is designed with self-tensioning capabilities through engagement teeth that automatically engage with stops on the carrier profile when the strap is tightened. This self-service mechanism simplifies the assembly process by eliminating the need for complex tensioning tools or procedures, despite the reduced material usage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Reduces material and assembly costs while maintaining longevity and functionality, allowing for larger main components with improved thermal insulation and ease of assembly.
Implementation Method 1
The main component is attached to the carrier profile by an adhesive connection, in particular wherein the adhesive connection is capable of carrying the whole weight of the main component
Data Source
AI summary
A door leaf (14) for a door system (10) has a main component (24), a carrier profile (26) and a strap (28). The main component (24) has an upper end face, a front end face, a lower end face and a rear end face, wherein the carrier profile (26) is attached to the upper end face. The strap (28) has a first end (38) and a second end (40), wherein the strap (28) is attached to the carrier profile (26) with the first end (38), subsequently extends along the front end face, the lower end face and the rear end face of the main component (24) and is subsequently attached to the carrier profile (26) with the second end (40).Further, a door system (10) is shown.