Rotating Display Stand Mechanism for Stable Portrait Switching
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Solution Overview
Problem
Existing display devices face difficulties in easily switching between horizontal and vertical screen orientations due to inflexible stand adjustments, which complicates the use of mobile devices and limits their versatility in different viewing scenarios.
Innovation Solution
A display device with a rotation driver mechanism that includes a main body gear, reverse gear, first stand gear, and second stand gear, allowing the stands to adjust angles during rotation, coupled with a weight placement to maintain stability and a controller on the rear surface, enabling easy switching between orientations without additional stand adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the screen orientation is changed between horizontal and vertical directions, then the adaptability for different viewing scenarios is improved, but the stand adjustment complexity increases and stability deteriorates
Solution Approach 1:
The patent combines the screen rotation function and stand angle adjustment into a single integrated mechanism. When the screen rotates between horizontal and vertical orientations, the stand automatically adjusts its angle through the coupled rotation driver, eliminating the need for separate stand adjustment operations and reducing overall system complexity.
Solution Approach 2:
The rotation driver serves multiple functions simultaneously: it rotates the screen between different orientations and adjusts the stand angle to maintain stability. This multi-functional design allows a single mechanism to handle both orientation changing and stability maintenance, improving adaptability without proportionally increasing complexity.
2Adaptability or versatility
If the screen orientation is changed between horizontal and vertical directions, then the adaptability for different viewing scenarios is improved, but the stand adjustment operation becomes difficult
Solution Approach 1:
The patent merges screen rotation and stand angle adjustment into a single automated operation. The rotation driver automatically adjusts the stand angle when the screen orientation changes, eliminating manual stand adjustment operations and significantly improving ease of operation while maintaining full orientation adaptability.
Solution Approach 2:
The stand adjustment system operates automatically through the rotation driver mechanism. When the screen rotates to a new orientation, the stand self-adjusts its angle without requiring user intervention, making the orientation changing process simple and convenient while maintaining stability.
3Adaptability or versatility
If the stand angle is fixed, then the device structure is simple, but the screen cannot be easily rotated between orientations
Solution Approach 1:
The patent combines the screen rotation mechanism and stand angle adjustment mechanism into a single integrated rotation driver. This unified mechanism allows the screen to rotate between orientations while the stand automatically adjusts its angle, achieving screen rotation capability without proportionally increasing overall mechanism complexity.
Solution Approach 2:
The rotation driver is designed as a multi-functional mechanism that simultaneously performs screen rotation and stand angle adjustment. This universal design allows one mechanism to handle multiple functions, enabling screen rotation capability while keeping the overall device structure relatively simple.
4Reliability
If the stand height remains constant during screen rotation, then the structure is simple, but the screen may hit the floor during rotation
Solution Approach 1:
The patent integrates stand height adjustment into the screen rotation mechanism. The rotation driver automatically adjusts the stand height during screen rotation to maintain the center of gravity at an appropriate level, preventing the screen from hitting the floor while keeping the overall structure relatively simple through functional integration.
Solution Approach 2:
The stand height is adjusted in advance during the rotation process to maintain stability. The rotation driver proactively changes the stand height before the rotation completes, ensuring the center of gravity remains at an appropriate level throughout the rotation and preventing the screen from hitting the floor.
Data Source
AI summary
A display device is characterized by comprising: a display module for outputting an image; a rotation drive unit located on the rear surface of the display module; and a pair of stands extending obliquely downward from the rotation drive unit, wherein the rotation drive unit adjusts the angle of the stands simultaneously when the display module rotates. In the display device, the direction of the display module can be easily changed, and thus it is easy to change the display module according to the arrangement of the screen being output.