Rotating Assembly With Continuous Slideway for Compact Foldable Hinges
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Solution Overview
Problem
The existing rotating assemblies in foldable terminals require a large bending radius for the screen to prevent damage, which results in a larger size of the rotating assembly and the foldable mechanism, ultimately increasing the overall size of the foldable terminal.
Innovation Solution
A rotating assembly with a base, a rotating shaft, and a swing arm, where the swing arm slides in a continuous slideway when rotating in a first angle range and drives the rotating shaft to rotate in a second angle range, allowing for a variable rotation radius. This design reduces the size of the rotating assembly and the foldable mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large bending radius is used for the screen to prevent damage during folding, then the screen is protected from damage, but the rotating assembly becomes larger and occupies more space in the foldable terminal
Solution Approach 1:
The patent applies the dynamics principle by making the rotation radius of the swing arm variable rather than fixed. During the folding process, the rotation radius dynamically changes: it is larger when the screen is being bent (providing gentler rotation and screen protection), and smaller when the swing arm is in its operational range (reducing the size of the rotating assembly). This is achieved through the interaction between the swing arm, rotating shaft, and the continuous slideway formed by the first and second slideways, allowing the system to adapt its geometry during operation.
2Reliability
If a large rotation radius of the swing arm is used to protect the screen, then the screen is protected from damage, but the foldable mechanism becomes longer and occupies more space in the foldable terminal
Solution Approach 1:
The patent uses the dynamics principle to make the rotation radius of the swing arm variable. When the swing arm rotates within the first angle range, it has a larger rotation radius that gently bends the screen, providing protection. When the swing arm rotates within the second angle range, it has a smaller rotation radius, which reduces the overall length of the foldable mechanism. This dynamic adjustment resolves the contradiction between screen protection and mechanism length.
3Reliability
If a fixed large rotation radius is used for the swing arm, then the screen is protected during folding, but the rotating assembly size increases and reduces the portability of the foldable terminal
Solution Approach 1:
The patent applies dynamics by enabling the swing arm's rotation radius to change during operation. The swing arm follows different rotational paths: a larger radius path when protecting the screen during initial folding, and a smaller radius path during normal operation. This is achieved through the continuous slideway mechanism that guides the swing arm's movement, allowing the rotating assembly to be compact while still providing screen protection when needed.
Data Source
AI summary
This application relates to a rotating assembly, a foldable mechanism, and a foldable terminal, and relates to the field of terminal technologies. The rotating assembly includes a base, a rotating shaft, and a swing arm, where the base is provided with a rotating shaft through-hole and an arc-shaped first slideway, the first slideway and the rotating shaft through-hole communicate with each other, and axes thereof are parallel to each other; the rotating shaft is provided with an arc-shaped second slideway, an axis of the rotating shaft is parallel to an axis of the second slideway, the second slideway runs through the rotating shaft, and a radius of the second slideway is equal to that of the first slideway; the rotating shaft is located in the rotating shaft through-hole, the first slideway and the second slideway can be connected to each other to form a continuous slideway, and the swing arm is located in the continuous slideway and can slide in the continuous slideway.