Modular Rail Device for Sliding Door Guide Systems
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Solution Overview
Problem
Existing rail devices for sliding door guide systems are cumbersome to install and adjust, particularly for furniture with complex dimensions, as they require assembly of individual components and specialized training, and are not easily adaptable to different sizes or retrofits.
Innovation Solution
A rail device with interchangeable and adjustable rail parts, including a rail plate that can be manufactured with curved sections, allowing for easy lengthening or shortening of the guide track, and can be pre-assembled for quick installation without specialized training.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If ready-made rail device elements are assembled piece by piece during installation, then the rail device can be constructed with standard components, but the assembly process causes considerable effort and requires appropriately trained personnel
Solution Approach 1:
The rail device is divided into modular components (straight rail sections, curved rail sections, connecting elements) that can be independently manufactured and then easily assembled together, reducing both manufacturing complexity and assembly difficulty
Solution Approach 2:
The rail components are pre-manufactured with standardized connection interfaces and pre-assembled into modules before delivery, so that installation requires minimal on-site assembly effort and no specialized training
2Adaptability or versatility
If the rail device is designed to be infinitely adjustable to cabinet dimensions with little effort, then furniture with different dimensions can be accommodated, but the structure becomes more complex
Solution Approach 1:
The rail device consists of multiple standardized sections that can be combined in different quantities and configurations to achieve various total lengths, providing infinite adjustability through simple modular addition rather than complex adjustable mechanisms
Solution Approach 2:
The same standardized rail components serve multiple functions: they provide structural support, enable adjustment to different lengths, and maintain consistent guidance characteristics throughout the rail device
3Manufacturing precision
If complex rail systems with curved shapes are manufactured as ready-made elements, then the rail device can provide precise guidance, but the furniture manufacturer cannot cut them to size as required
Solution Approach 1:
Curved rail sections are provided as separate, standardized modules with precise factory-formed curves, that can be combined in different numbers to achieve different total lengths while maintaining the precision of the curved guidance sections
Solution Approach 2:
The rail device length is made dynamically adjustable by allowing the addition or removal of standardized rail sections, enabling the system to adapt to different cabinet sizes while preserving the precision of the curved guidance elements
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3a
AI summary
The rail device (2) is provided for a guide device (1) comprising at least one carriage (11) by means of which a sliding door (91) can be held and moved along a guide channel (20) provided in the rail device (2). This guide channel is formed by a first rail section (21) that is at least partially straight and at least one adjoining second rail section (22) that is at least partially curved. According to the invention, bearing elements (218, 311, 2211; 219, 2191, 2221) are provided which engage positively with one another and by which the second rail section (22) is held slidably parallel to a longitudinal axis (x) of the first rail section (21). Furthermore, fastening means (7, 317, 218) are provided by which the second rail section (22) is connected or connectable to the first rail section (21) at a selected position.