Sliding Leaf Roller Train with Removable Fixing Plug
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Solution Overview
Problem
The existing sliding door leaf systems require complete removal of the framework from the frame for roller replacement due to inaccessible rollers, exacerbated by debris and moisture, leading to early wear and increased operational difficulty.
Innovation Solution
A sliding leaf support and rolling system with interconnected rollers forming a train, using a connector and special fixing plug, allowing replacement without removing the leaf from the frame by lifting it at an angle and unscrewing the plug, enabling easy access and repair.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rollers are screwed into the bottom horizontal part of the frame, then the leaf can be supported and moved, but the rollers become inaccessible and require complete removal of the framework for replacement
Solution Approach 1:
The roller assembly is segmented into modular components: individual rollers connected by connectors forming a train, with a fixing plug that can be independently removed. This segmentation allows the rollers to be accessed and replaced without removing the entire framework from the frame.
Solution Approach 2:
The fixing plug is extracted as a separate removable component that secures the roller train. By removing only the fixing plug rather than the entire roller assembly or framework, technicians can access and replace rollers in situ, solving the accessibility problem while maintaining secure support during operation.
2Strength
If multiple rollers are used to support heavy leaves, then the load capacity increases, but the complexity of the rolling system increases
Solution Approach 1:
Multiple rollers are merged into a unified rolling system by connecting them with connectors to form a train. This combination allows the system to support heavier leaves through distributed load bearing while presenting a single integrated assembly that simplifies installation and replacement as one unit.
Solution Approach 2:
The rollers are pre-assembled into a complete train with connectors and fixing plug before installation. This preliminary assembly reduces on-site complexity by eliminating the need to individually install multiple rollers, reducing the complexity of the installation process while maintaining the load-bearing capability of multiple rollers.
3Stability of the object's composition
If the framework is firmly fixed to the frame, then the leaf remains stable, but the rollers become completely inaccessible for maintenance
Solution Approach 1:
The fixing system transitions from a static permanent fixation to a dynamic removable fixation. The fixing plug provides firm stabilization during normal operation but can be quickly removed for maintenance, allowing the system to switch between stable operation and accessible maintenance states.
Solution Approach 2:
The fixing plug acts as an intermediary component between the roller train and the framework. It provides the necessary mechanical connection for stability during use but can be independently removed to enable roller access, mediating between the conflicting requirements of stability and accessibility.
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
The system facilitates easy roller replacement, reduces wear frequency, supports heavier loads, allows thinner frame designs, and enhances visibility by eliminating the need for screws and reducing the frame's width.
Implementation Method 1
the movement is carried out using rolling means located in the bottom horizontal part of the leaf framework. The framework rests on rollers, rolls on said rollers and moves
Data Source
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AI summary
The invention comprises a series of rollers (1, 2) which are connected together by a connector (4) and form a train. The train is fitted with a special fixing plug (7) at its end, which consists of two plug parts (Part A' and Part B') of which Part B' (7b) is screwed firmly onto the framework, while Part A' (7a) fixes the entire train to the end of the leaf framework, which is accessible. The only fixing point of the train is in Part A' (7a) which can be unscrewed; the entire train can be pulled out of the leaf without the need to remove the leaf from the frame casing. The invention can be applied in all door and window sliding systems, whether overlapping or not.