Foldable Mechanism for Mobile Terminal Length Compensation
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Solution Overview
Problem
Foldable mobile terminals face challenges in adapting to length differences between their folded and unfolded states due to the thickness of the device, which affects the alignment and functionality of the flexible display screen.
Innovation Solution
A foldable mechanism comprising a first and second sliding plate, rotation shafts, connection rods, and a linkage element that allows the shells to switch between states while maintaining the display screen's position outside the device in the folded state, enabling adaptive length adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the mobile terminal is folded, then the device becomes more compact and portable, but the length of the two sides becomes unequal due to device thickness
Solution Approach 1:
The patent employs dynamic adjustment mechanisms including sliding plates that move along guide rails and rotation shafts that pivot connection rods, allowing the shell structure to adapt its shape in real-time. This dynamic system enables the device to transition between folded and unfolded states while automatically compensating for thickness-induced length differences, maintaining side length equality throughout the transformation.
Solution Approach 2:
The invention changes the geometric parameters of the shell structure by adjusting the extension lengths of sliding plates and the angles of connection rods. These parameter changes allow the device to compensate for the fixed thickness dimension, ensuring that the horizontal and vertical side lengths remain equal even when the device is in a folded compact state.
2Illumination intensity
If the display screen remains outside the device in folded state, then visibility is maintained, but the mechanism complexity increases
Solution Approach 1:
The patent merges the display support function with the existing foldable mechanism structure. The connection rods and sliding plates that enable shape adaptation also serve to support and position the display screen, eliminating the need for separate support structures. This integration maintains display visibility in folded state while minimizing additional mechanism complexity.
Solution Approach 2:
The foldable mechanism components perform multiple functions: they enable the shell to adapt its shape for compact folding, maintain side length equality, and simultaneously support the display screen in an externally visible position. This multi-functionality reduces the need for additional dedicated components, keeping the overall mechanism complexity manageable.
Data Source
AI summary
A foldable mechanism for a foldable mobile terminal and related products may include: first and second sliding plates provided between a first shell and a second shell, the first sliding plate being able to slidably extend or retract with respect to the first shell, and the second sliding plate being able to slidably extend or retract with respect to the second shell; first and second rotation shafts; a first connection rod having a first end slidably hinged to the first rotation shaft and a second end rotatably capable of being connected to the first shell; a second connection rod having a first end slidably hinged to the second rotation shaft and a second end capable of being rotatably connected to the second shell; and a linkage element that connects the first and second rotation shafts and is in linkage with the first end of the first connection rod and the first end of the second connection rod.