Anti-Detachment Pivot Core for Glue-Aging Shower Doors
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Solution Overview
Problem
Existing pivot doors in shower enclosures risk detachment due to glue aging or environmental factors, posing a safety hazard as the glass panel may fall off, potentially causing injuries.
Innovation Solution
An anti-detachment pivot core and pivot door structure that includes an anti-detachment protrusion and clamping portions to prevent the door leaf from detaching, ensuring stability and safety by integrating the main body and extending portion, optimizing space utilization, and using interference fits to enhance connection strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the door leaf and pivot profile are connected through gluing, then the glass panel remains in a suspended state with simple installation, but the connection reliability deteriorates over time due to glue aging and environmental factors
Solution Approach 1:
The connection system is segmented into multiple independent components: the pivot profile, door leaf, and anti-detachment device. This segmentation allows the anti-detachment device to be installed separately from the gluing process, providing a backup connection method that doesn't rely on glue aging.
Solution Approach 2:
The anti-detachment device is pre-installed on the pivot profile before the door leaf is attached. The protrusion is positioned in advance to engage with the groove opening, creating a preliminary mechanical connection that prevents detachment even if the glue fails later.
2Reliability
If the door leaf is firmly connected to the pivot profile, then detachment is prevented, but the structural complexity increases with additional anti-detachment components
Solution Approach 1:
The anti-detachment device applies local quality by concentrating the mechanical restraint at specific points: the protrusion engages with the groove opening, and the clamping portions apply localized pressure to the door leaf edges. This focused approach provides effective anti-detachment without requiring complex structures throughout the entire connection system.
Solution Approach 2:
The anti-detachment device is nested within the existing pivot door structure. The protrusion fits into the groove opening, and the clamping portions are positioned within the space between the door leaf and pivot profile, utilizing existing structural spaces rather than adding external components.
3Reliability
If clamping portions are added to clamp the door leaf, then detachment along the third direction is prevented, but the manufacturing complexity increases
Solution Approach 1:
The anti-detachment device merges multiple functions into a single component: the protrusion provides mechanical engagement to prevent detachment, while the clamping portions simultaneously apply restraining force to the door leaf edges. This combination of functions in one device reduces the number of separate parts and simplifies manufacturing compared to using multiple independent components.
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
An anti-detachment pivot core (4), a pivot door structure and a door. The anti-detachment pivot core (4) is used for preventing a door leaf (2) from detaching from a pivot profile (5) along a second direction. The door leaf (2) is provided with a groove (17) opening along the first direction. The anti-detachment pivot core (4) is provided with a main body and an extending portion fixed to each other, and the main body is suitable to be in an insertion fit with a top end of the pivot profile (5) along the first direction. The extending portion is provided with an anti-detachment protrusion (12) and two clamping portions. The anti-detachment protrusion (12) is suitable to be in an insertion fit with the groove (17) to prevent the door leaf (2) from detaching from the pivot profile (5) along the second direction, and the two clamping portions are suitable to clamp the door leaf (2) along a third direction.