Rotating shaft mechanism of flexible screen

Abstract

The invention discloses a rotating shaft mechanism of a flexible screen. The mechanism is used for being arranged at an overturning and folding part of the flexible screen, can be bent along with theoverturning and folding of the flexible screen, and comprises a plurality of rotating shaft chain belts which are arranged side by side at intervals, and two connecting shafts for fixedly connecting the rotating shaft chain belts, the two ends of the first rotating shaft chain belt and the two ends of the last rotating shaft chain belt are fixed to the two ends of the head positions of the two connecting shafts respectively to form a rectangle. The four rotating shaft gear pieces are arranged on the rotating shaft chain belt and engaged together through the gears, so that when the rotating shaft mechanism is bent, the four rotating shaft gear pieces are matched with one another to compensate for the length variable of the bent rotating shaft; the phenomenon that the rotating shaft and theflexible screen cannot be synchronized due to the fact that the length of the rotating shaft is shortened after the rotating shaft is bent is avoided, in the bending process of the rotating shaft, thefour rotating shaft gear pieces are matched to thin the rotating shaft, and the phenomenon that the rotating shaft mechanism is damaged and the flexible screen fails due to mutual extrusion of gearsis avoided.

Description

technical field [0001] The present invention relates to the technical field of display devices, in particular to a rotating shaft mechanism of a flexible screen. Background technique [0002] With the continuous development of technology, people's pursuit of display screens is not limited to curved screens, and foldable mobile terminals (such as foldable mobile phones, foldable tablet computers, etc.) gradually appear in people's lives. Foldable mobile terminals usually include three parts: a flexible screen, a coupling layer and a foldable component. The flexible screen has the function of controlling the display of the device, and the foldable component has the function of folding and flattening; the coupling layer is usually optical glue, and the flexible screen and the foldable Components are bonded via a coupling layer. Flexible screens are generally made of materials with excellent flexibility. They have the characteristics of low power consumption and bendability. Th...

AI Technical Summary

Problems solved by technology

The defect of this rotating shaft mechanism is that the working mode is rigid and not flexible enough. After the rotating shaft is bent through two gears that fit together, the length of the rotating shaft will be shortened, which will cause the phenomenon that the rotating shaft and the flexible screen cannot be synchronized. During the folding process, because the material stiffness of the two gears is too high, the bending part of the flexible screen will be squeezed by the two mutually fitting gears, which will easily lead to damage to the rotating shaft mechanism and the failure of the flexible screen.

Images