Sliding Door Suspension Guide Segmentation and Alignment
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Solution Overview
Problem
Existing suspension guides for sliding doors are prone to bending and twisting under load, and their dimensional construction tolerances often mismatch building elements, leading to alignment issues and increased wear on sliding door wheels, especially for wider doors.
Innovation Solution
The suspension guide features channel profiles with a greater height on one lateral wall for easier fixing, a longitudinal bend for reinforcement, and a joint cover system using a piece of steel profile bar to maintain structural continuity and alignment, along with a matching slide track shape for wheels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a simple channel profile is used for the suspension guide, then ease of manufacture and installation is improved, but structural stability and resistance to bending/twisting deteriorates
Solution Approach 1:
The guide is segmented into multiple channel profiles joined together using connector elements. Each profile remains simple and easy to manufacture, but the segmented structure with connectors provides enhanced overall stability and resistance to bending and twisting under load.
Solution Approach 2:
The guide combines multiple channel profiles with connector elements to create a composite structure. The connectors integrate with the channel profiles to form a unified assembly that maintains the ease of manufacture of individual components while achieving superior structural stability through the composite arrangement.
2Stability of the object's composition
If the guide is made in one piece, then structural continuity is improved, but transportability and ease of installation deteriorates for wide doors
Solution Approach 1:
The guide is divided into multiple transportable channel profile segments that can be easily handled and installed. Connector elements join these segments together on-site to re-establish structural continuity, combining the advantages of modular transportability with continuous structural performance.
Solution Approach 2:
Connector elements act as intermediaries between separate channel profiles. These connectors facilitate easy assembly and disassembly while maintaining structural continuity, enabling the guide to be transported in manageable pieces and installed with minimal difficulty.
3Adaptability or versatility
If multiple channel profiles are used to cover wide doors, then adaptability to different door widths is improved, but alignment precision and structural continuity deteriorates
Solution Approach 1:
The connector elements feature asymmetric geometries with protrusions and recesses that provide self-aligning capabilities. This asymmetric design ensures precise alignment between channel profiles during assembly, eliminating the need for complex adjustment procedures and maintaining high alignment precision across multiple segments.
Solution Approach 2:
Connector elements serve as precision intermediaries between channel profiles. They incorporate alignment features such as guide surfaces and mating geometries that automatically ensure correct positioning, thereby maintaining high alignment precision even when assembling multiple profiles for wide door applications.
4Ease of operation
If connector elements are used to join profiles, then ease of assembly is improved, but device complexity increases
Solution Approach 1:
Multiple functions are merged into the connector elements, which simultaneously provide mechanical joining, alignment, and structural reinforcement. This consolidation reduces the number of separate components needed and simplifies the overall assembly process despite the enhanced capabilities of the connectors.
Solution Approach 2:
The connector elements are designed as universal components that can join different channel profile configurations and adapt to various installation scenarios. This multi-functionality reduces the need for multiple specialized parts, thereby easing assembly while managing device complexity through standardized versatile components.
Data Source
Figure 1~2
Figure 3~6
AI summary
The suspension guide for sliding doors is formed from channel-shaped steel profiles (30.1, 30.2) disposed one following the other. A first lateral wall (32) of each channel profile (30.1, 30.2) is intended to be fixed to the relative constructional support element, whereas the second lateral wall (34) is bent outwards and downwards to create both a longitudinal slide track for the support wheels of the sliding door and a lowerly open longitudinal groove (36) for fixing, to the adjacent end portions of contiguous channel profiles (30.1, 30.2), a male element (40) and respectively a female element (44) which are able to mate in a longitudinal direction to ensure alignment between the various parts (34) forming the slide track. Joint cover means (54) can be provided to at least partially reestablish the structural continuity of the first lateral wall (32) of the various channel profiles (30.1, 30.2).