Axle Mechanism Elevation Adjustment with Dual Link Rod Module
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Solution Overview
Problem
The existing axle mechanisms for flat panel displays with four link rods have a complex structure, leading to increased assembly difficulty and high manufacturing costs, and are not adaptable to different display and base specifications, resulting in inefficient force transmission and potential damage.
Innovation Solution
An axle mechanism with a support member, lower and upper hinge devices, and a dual link rod module that allows for adjustable elevation and distance adjustment without altering the original angle, using a combination of shaft rings, resilient members, and a torsion spring to facilitate turning and positioning, while reducing the number of pivotal connections and enabling customization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a four-link rod structure is used to adjust elevation, then the display device can maintain its original angle during moving, but the structure becomes complicated with too many pivotal connecting positions, increasing assembly difficulty and manufacturing cost
Solution Approach 1:
The patent extracts and removes unnecessary link rods from the four-link structure, transitioning to a dual-link rod module that achieves the same elevation adjustment function with fewer components. This reduction eliminates redundant pivotal connecting positions while maintaining the core functionality of angle preservation during movement.
Solution Approach 2:
The patent merges multiple separate link rods into a integrated dual-link rod module where the two link rods work together as a unified structure. This merging reduces the number of separate pivotal connections needed and simplifies the overall assembly while maintaining structural integrity and functional performance.
2Ease of operation
If a four-link rod structure is used to adjust elevation, then the display device can maintain its original angle during moving, but the transmission of moment of force becomes inefficient with N-shape transmission path, causing losses and damages
Solution Approach 1:
The patent removes unnecessary link rods that create the N-shaped force transmission path, resulting in a more direct force transmission route. The dual-link rod module establishes a shorter, more efficient path for moment of force transmission, reducing the number of pivotal connections where energy loss and damage can occur.
3Stability of the object's composition
If fixed-size link rods are used in the axle mechanism, then the display device can maintain its original angle during moving, but the mechanism cannot adapt to different display and base specifications
Solution Approach 1:
The patent transitions from fixed-size link rods to adjustable-length link rods in the dual-link rod module. This dynamic design allows the link rod length to be modified according to different display and base specifications, providing versatility while maintaining angle stability through the preserved pivotal connection geometry.
Solution Approach 2:
The patent enables parameter changes in the link rod length to adapt to different specifications. By allowing the physical dimension of the link rods to vary while maintaining the same connection mechanism and geometric relationships, the system achieves both adaptability to different configurations and stability of the original angle during operation.
4Stability of the object's composition
If more pivotal connecting points are added to maintain angle stability, then the display device can maintain its original angle during moving, but the assembly process becomes more difficult and manufacturing cost increases
Solution Approach 1:
The patent removes redundant pivotal connecting positions from the four-link structure, reducing the total number of connections required. The dual-link rod module achieves angle stability with fewer pivotal connections, directly simplifying the assembly process and reducing manufacturing complexity while maintaining the essential angle preservation function.
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 mechanism simplifies the assembly process, reduces manufacturing costs, and allows for customization to fit different display and base specifications, maintaining the original angle during adjustments and reducing the risk of damage by distributing force effectively.
Implementation Method 1
at least one resilient member... to facilitate turning and positioning
Implementation Method 2
a combination of shaft rings, resilient members, and a torsion spring to facilitate turning and positioning
Implementation Method 3
a frictional plate at the external side of the axle hole... for latching a tenon groove
Data Source
AI summary
An axle mechanism capable of adjusting an elevation includes a support member, a lower hinge device at the bottom of the support member, an upper hinge device at the top of the support member, and a dual link rod module for connecting the upper and lower hinge devices. If the support member adjusts its elevation and front and rear distance, the turning radius of the dual link rod module is used as a moving range of the support member, such that two sets of pulling plates at the top produce a pushing action and an opposite pulling action to synchronously rotate the shaft rings on both sides of the top and drive the two movable rods to rotate without changing the original angle of the two upper support stands.