Sliding Auxiliary Device with Toggle Mechanism for Stability
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Solution Overview
Problem
Conventional sliding cover systems in electronic devices face issues with shakiness and instability, especially when operating heavy or large movement distance mechanisms, due to lack of effective auxiliary devices to enhance motion stability and smoothness.
Innovation Solution
A sliding auxiliary device comprising a rotating wheel, a gate linked to the rotating wheel, and a toggle mechanism with a first arm, a second arm, and an elastic member, which stores and releases energy to assist the rotation of the rotating wheel, providing improved operation smoothness and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional sliding cover system is used without auxiliary devices, then the structure is simple, but the motion stability and smoothness deteriorate when operating heavy or large movement distance mechanisms
Solution Approach 1:
The patent introduces a dynamic auxiliary device comprising a rotating wheel, toggle mechanism, and elastic member that actively responds to the sliding cover's movement. The rotating wheel rotates during sliding to drive the toggle mechanism, which dynamically adjusts the elastic member's tension to provide continuous stability assistance throughout the motion range, transforming a static simple structure into a dynamic stability-enhancing system.
Solution Approach 2:
The auxiliary device changes the mechanical parameters of the sliding system by introducing variable force through the elastic member. As the rotating wheel turns and the toggle mechanism operates, the elastic member's tension parameter varies dynamically, providing increasing support force during the sliding process to maintain stability without requiring a completely complex rigid structure.
2Reliability
If an auxiliary device is added to reduce shakiness and enhance stability, then the motion stability improves, but the device complexity increases
Solution Approach 1:
The auxiliary device is segmented into three functional modules: a rotating wheel for converting linear motion to rotational motion, a toggle mechanism for force amplification and direction change, and an elastic member for energy storage and release. This segmentation allows each component to be relatively simple in structure while collectively providing comprehensive stability support, avoiding the need for a single complex auxiliary device.
Solution Approach 2:
The auxiliary device operates autonomously using the sliding cover's own movement energy. The rotating wheel is driven by the sliding motion itself, which automatically activates the toggle mechanism and elastic member without requiring external power sources or complex control systems. The system serves itself by converting the sliding action into the stabilizing force needed during the same sliding process.
3Length of moving object
If a heavy movable body with large movement distance is used, then the functional capability is enhanced, but the shakiness and swing increase during operation
Solution Approach 1:
The elastic member functions as a counterbalancing element that provides an opposing force to the gravitational and inertial forces acting on the heavy movable body. As the sliding cover moves through large distances, the elastic member gradually tensions up and releases stored energy to counteract the weight and momentum variations, reducing shakiness and swing that would otherwise increase with longer movement distances and heavier masses.
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 sliding auxiliary device enhances the motion stability and smoothness of the sliding cover module by providing an acting force, reducing shakiness and swing, and is particularly suitable for heavy and large movement distance applications.
Implementation Method 1
an elastic member disposed between the first arm and the second arm. The rotating wheel substantially drives the first arm and the second arm of the toggle mechanism to relatively move to store energy in the elastic member, and the elastic member releases the stored energy to generate an acting force
Data Source
AI summary
A sliding auxiliary device includes an assembly of a rotating wheel, a gate linked to the rotating wheel, and a toggle mechanism. The toggle mechanism includes a first arm pivoted to the rotating wheel, a second arm pivoted to the first arm, and an elastic member disposed between the first arm and the second arm. The rotating wheel substantially drives the first arm and the second arm of the toggle mechanism to relatively move to store energy in the elastic member, and the elastic member releases the stored energy to generate an acting force to assist the rotation of the rotating wheel after the first arm of the toggle mechanism crosses over a reference axial line, to obtain an improved operation smoothness better than the conventional skills.