Triaxial Gear Hinge for 360-Degree Rotation
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Solution Overview
Problem
Conventional dual-axle gear-typed hinge assemblies in electronic devices limit the range of rotation between the first and second bodies to 0-360 degrees, making it difficult to seamlessly transition between notebook and tablet computer modes with smooth and easy operation.
Innovation Solution
A triaxial gear-typed hinge assembly is introduced, featuring three axles and additional components like linking gears, tubes, and torsion kits, allowing for enhanced flexibility and smooth rotation between 0-360 degrees by engaging gears and tubes across multiple axles, ensuring easy operation and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a dual-axle gear-typed hinge assembly is used, then the structure is simpler, but the rotation smoothness and ease of operation deteriorate
Solution Approach 1:
The hinge assembly is segmented into multiple independent components: first and second supporting components with gears, first and second linking components with linking gears, and three separate axles. This segmentation allows each component to rotate independently around its designated axle, enabling smooth multi-axis rotation while maintaining manageable structural complexity through modular design.
2Ease of operation
If a triaxial gear-typed hinge assembly is used, then the rotation smoothness and ease of operation improve, but the device complexity increases
Solution Approach 1:
The supporting components and linking components are merged into an integrated hinge assembly where the first gear and second gear are fixed to the first and second axles respectively, and the first and second linking gears are fixed to the third axle. This merging creates a coordinated multi-axle rotation system that achieves smooth operation while consolidating the structure into a unified assembly.
3Adaptability or versatility
If multiple gears and linking components are added, then the rotation range and flexibility improve, but the manufacturing complexity increases
Solution Approach 1:
The manufacturing process is segmented into distinct assembly steps: first assembling the supporting components with their respective gears on the first and second axles, then assembling the linking components with linking gears on the third axle, and finally integrating all components through buckling connections. This segmentation enables modular manufacturing and simplifies the overall production process despite the increased number of components.
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 triaxial gear-typed hinge assembly enables smooth and easy rotation of electronic device components across a full 0-360 degree range, facilitating effortless transitions between modes and improving user experience with enhanced operational ease.
Implementation Method 1
The resilient component is buckled between the fixing component and the second tube, or between the fixing component and the second gear
Implementation Method 2
The first linking gear is hinged to the third axle and engaged with the first gear, and the first tube is hinged to the second axle
Data Source
AI summary
A triaxial gear-typed hinge assembly includes a first axle, a second axle, a third axle, a first supporting component, a second supporting component, a first linking component and a second linking component. The first supporting component includes a first gear hinged to the first axle. The second supporting component includes a second gear hinged to the second axle. The first linking component includes a first linking gear and a first tube connected to the first linking gear. The first linking gear is hinged to the third axle and engaged with the first gear, and the first tube is hinged to the second axle. The second linking component includes a second linking gear and a second tube connected to the second linking gear. The second linking gear is hinged to the third axle and engaged with the second gear, and the second tube is hinged to the first axle.