Threshold Clamping Profile for Accessible External Seal Attachment
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Solution Overview
Problem
Existing threshold attachment methods in architectural openings are difficult to execute on-site due to accessibility issues, particularly with the bottom side of the threshold where external profiles need to be attached.
Innovation Solution
A threshold profile with a clamping groove that allows a clamping profile to be connected without additional fasteners, utilizing the clamping force to secure the external profile in place, thereby simplifying the attachment process and improving accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If external profile is attached to threshold using screws or glue, then attachment strength is improved, but ease of operation deteriorates due to accessibility issues at the bottom side of threshold
Solution Approach 1:
The threshold is segmented into an upper part and a lower part, with the clamping groove positioned in the lower part. This segmentation allows the external profile to be attached at a location (bottom side) that is easily accessible during installation, while still achieving secure attachment through the clamping mechanism.
Solution Approach 2:
The clamping groove acts as an intermediary structure that enables attachment without requiring direct access to the bottom side of the threshold. The groove receives and clamps the external profile, serving as a mediator that achieves secure attachment while avoiding the accessibility problem of traditional screw or glue methods.
2Stability of the object's composition
If threshold is installed in architectural opening first, then structural stability is improved, but ease of operation deteriorates because bottom side becomes difficult to access
Solution Approach 1:
The clamping groove is pre-formed in the threshold during manufacturing, before installation. This preliminary action ensures that the attachment structure is already in place when the threshold is installed in the architectural opening, eliminating the need for subsequent access to the bottom side for attachment operations.
Solution Approach 2:
The clamping groove is positioned on the bottom side of the threshold, utilizing the vertical dimension to create an accessible attachment point. This dimensional positioning allows installers to access the groove from below after the threshold is installed, solving the accessibility problem while maintaining structural stability.
3Ease of operation
If clamping groove is provided in threshold, then ease of operation is improved for attaching external profile, but device complexity increases
Solution Approach 1:
The clamping groove is merged with the lower part of the threshold structure, forming an integrated component rather than a separate attachment mechanism. This merging reduces overall device complexity while maintaining the ease of operation benefits, as the groove is simply a structural feature of the threshold itself.
Solution Approach 2:
The clamping groove serves multiple functions: it provides structural support, enables attachment of the external profile, and facilitates easy installation. This multi-functionality reduces the need for additional specialized components, thereby reducing device complexity while improving ease of operation.
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 2C~3
AI summary
Thresholds are provided at the bottom of architectural openings, and are often provided with an external profile to prevent water from entering underneath the threshold. For convenient mounting of the external profile, a threshold profile is provided comprising a clamping groove in which the external profile provided by a clamping profile may be clamped. The clamping profile may be mounted non-destructively, and may be constrained to the threshold by virtue of clamping force only. To receive the clamping profile, the clamping groove may be provided with multiple receiving sections of which a shape corresponds to that of part of the clamping profile. The clamping profile may be resilient such that it may be compressed by hand, provided in the clamping groove, and released again clamping the clamping profile into the clamping groove.