Sliding Shower Door Retraction With Damped Self-Closing
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Solution Overview
Problem
Existing shower enclosures with sliding doors lack a robust and universal structure for self-retraction, often resulting in inadequate dampening and stress on the enclosure during use.
Innovation Solution
A shower enclosure with a retraction device featuring a spring element and damping element, attached to the guide rail and engaging with the sliding door via a driver, allowing for dampened self-closing and adjustable positioning to minimize tilting moments and forces, and incorporating a separate stop for end position limitation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a retraction device with spring element and damping element is added to achieve dampened self-closing, then the reliability and comfort are improved, but the device complexity increases
Solution Approach 1:
The retraction device merges the spring element and damping element into a single integrated assembly that attaches to the guide rail. The spring element (10E) and damping element (10F) work together in one compact unit, reducing the number of separate components while achieving both the self-closing force and dampened motion control.
Solution Approach 2:
The retraction device is designed to be universally applicable by attaching to the existing guide rail structure. The same device provides multiple functions: storing elastic energy for self-closing, damping the closing motion, and engaging with the sliding door through the driver mechanism, making it a multi-functional component.
2Strength
If the retraction device is attached to the guide rail to minimize tilting moments, then the stress on the shower enclosure is reduced, but the ease of manufacture decreases
Solution Approach 1:
The retraction device is designed with longitudinal adjustability along the guide rail, allowing dynamic positioning to optimize the center of rotation alignment. This adjustability enables the device to adapt to different installation positions, minimizing tilting moments while maintaining a relatively simple attachment mechanism that doesn't require complex custom fabrication.
3Reliability
If a separate stop is added for end position limitation, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The system is segmented into functionally independent components: the retraction device handles the self-closing and dampening functions, while the separate stop component exclusively provides end position limitation. This segmentation allows each component to be optimized for its specific function and simplifies the overall system by avoiding the need for an integrated complex mechanism.
Solution Approach 2:
The separate stop acts as an intermediary element that works in conjunction with the retraction device. The stop provides a mechanical limit that complements the retraction device's spring-damper system, creating a reliable end position control without requiring the retraction device itself to be more complex.
4Adaptability or versatility
If the retraction device is made longitudinally adjustable on the guide rail, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The retraction device incorporates longitudinal adjustability along the guide rail, allowing it to be positioned at different locations to optimize performance for various door weights and sizes. This dynamic positioning capability is achieved through a simple adjustment mechanism that maintains alignment with the guide rail while enabling flexible installation.
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 solution provides a robust, compact, and universally adaptable shower enclosure with a dampened self-closing mechanism that minimizes stress and ensures reliable operation by using a dual retraction system and separate stop for precise end position control.
Implementation Method 1
The retraction device has in particular a spring element and a damping element in order to move the sliding door briefly - in particular approximately 5 to 10 cm - into the end position by the force of the spring element
Implementation Method 2
This movement or this Self-closing is dampened by means of the damping element
Data Source
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AI summary
The cubicle (1) has a sliding door (2) comprising a fitting for sliding a guide and/or a suspension at a guide rail (3). Two draw-in devices are arranged laterally to the fitting. The two draw-in devices are assigned to an open position and a close position of the sliding door, respectively. A separate stopper comprises a rubber elastic stopper element and is provided in addition to the draw-in devices for limiting and regulating an end position of the sliding door. The fitting comprises multiple rollers for sliding a bearing in or at the guide rail.