Shower Door Hinge With Integrated Guide And Spring Mechanism
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Solution Overview
Problem
Existing shower partition door hinges with compact designs struggle to incorporate a reliable and long-lasting automatic return mechanism, especially when handling heavy doors like glass doors, due to weak restoring units and complex structures that complicate direct installation of reset devices.
Innovation Solution
The door hinge incorporates a compact design with guide elements and energy stores, such as tension springs, that allow for a larger pivoting angle and force distribution, enabling the hinge to automatically return to a preferred position by tensioning when pivoting between open and closed positions, with the springs being easily replaceable and adjustable for heavier doors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a compact hinge design with multiple arms is used to withstand high forces and achieve larger opening angles, then load-bearing capacity and opening angle are improved, but the complexity of the structure increases making it difficult to integrate a return mechanism
Solution Approach 1:
The guide element and guide are merged into a single integrated component that combines multiple functions: it guides the movement of the hinge lever, absorbs forces, and provides a mounting structure for the energy storage device. This integration reduces the number of separate parts while maintaining the load-bearing capacity and opening angle capabilities.
Solution Approach 2:
The guide element serves multiple functions simultaneously: it acts as a structural support, a force absorber, a movement guide for the hinge lever, and a mounting platform for the energy storage device. This multi-functionality simplifies the overall structure while maintaining all required capabilities.
2Strength
If a compact hinge design with multiple arms is used to withstand high forces and achieve larger opening angles, then load-bearing capacity and opening angle are improved, but integration of an automatic return mechanism becomes difficult
Solution Approach 1:
The energy storage device is integrated directly into the guide element structure, where it mounts on the guide element and utilizes its movement along the guide. This merging of the return mechanism with the existing structural components enables automatic return functionality without adding separate complex mechanisms.
Solution Approach 2:
The energy storage device automatically returns the hinge to its closed position using the movement already present in the hinge mechanism. The spring engages with the guide element and uses the hinge's natural pivoting motion to charge and discharge, providing self-powered automatic return without requiring external power sources or complex control systems.
3Ease of operation
If traditional return mechanisms are used in compact hinges, then automatic return function is provided, but the mechanisms are too weak to move the considerable weight of a door especially a glass door
Solution Approach 1:
The energy storage device is designed with adjustable parameters including spring constant, pre-tension, and engagement position. These parameters can be modified to match the specific weight and dimensions of the door, providing sufficient return force for heavy glass doors while maintaining the compact hinge structure.
Solution Approach 2:
The energy storage device dynamically adapts to the door's weight and dimensions through adjustable pre-tension and engagement settings. The spring force can be optimized for each specific application, allowing the same compact hinge design to handle varying door weights effectively.
4Measurement precision
If the energy storage device path is limited and predetermined by the guide, then precise definition of open and closed positions is achieved, but the arrangement must be almost parallel to the guide direction to prevent lateral forces
Solution Approach 1:
The energy storage device is arranged parallel to the guide direction and integrated into the guide element structure. This arrangement eliminates lateral forces by aligning the spring's force vector with the guide's movement direction, while the guide element's structure naturally defines the precise engagement positions for open and closed states.
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
This solution allows for a stable and compact door hinge with a larger opening angle, protecting seals and facilitating easy cleaning by increasing the gap between the door and frame, while ensuring reliable automatic return and easy maintenance.
Implementation Method 1
the energy storage device is designed as a tension spring
Implementation Method 2
When the hinge pivots between an open and a closed position, the tension springs are tensioned accordingly, ensuring a return to the selected position
Data Source
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AI summary
Door hinge (100) for a shower partition (102), comprising a first fitting part (1) and a second fitting part (2) which are pivotably mounted relative to each other between a closed position (S) and an open position (O), at least a first hinge lever (17) and at least a second hinge lever (18) which are pivotally connected to each other via a pivot axis (D) and which pivotally connect the first fitting part (1) and the second fitting part (2) to each other, at least a first guide element (21) arranged on the first hinge lever (17) and a second guide element (22) arranged on the second hinge lever (18), wherein the first guide element (21) is slidably mounted in or along a first guide (F1) and the second guide element (22) is slidably mounted in or along a second guide (F2),wherein the first guide element (21) is connected to the first fitting part (1) by at least a first energy storage device (80) and the second guide element (22) is connected to the second fitting part (2) by at least a second energy storage device (81).