Panel Opening Device Using Scroll Groove Dial
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Solution Overview
Problem
Conventional panel opening/closing devices for head-up displays in vehicles are complex in structure with a large number of components, hindering their functionality and user experience.
Innovation Solution
A simply-structured panel opening/closing device with a minimal number of components, featuring a support, a gear-shaped dial with a scroll-shaped groove, and a movable unit that allows the panel to transition between storage, standing, and angle adjustment states through a compact mechanism, reducing the number of components and enhancing usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional panel opening/closing mechanism is used, then the panel can be opened and closed, but the structure becomes complex with a large number of components
Solution Approach 1:
The patent combines multiple functions into a single integrated mechanism. The dial unit serves both as the operating interface and as part of the driving mechanism, while the movable unit integrates the conversion of rotational motion to linear motion and the driving of the support. This merging of functions reduces the number of separate components while maintaining the panel opening/closing functionality.
Solution Approach 2:
The dial unit is designed to serve multiple purposes: it is the user interface for operation, it converts user input into rotational motion, and it engages with the movable unit to transmit power. The scroll-shaped groove in the dial simultaneously guides the protruding portion and provides the mechanical advantage needed for the support to move through its full range of motion, making the dial a multi-functional component.
2Volume of moving object
If a compact mechanism is used, then the installation size is reduced, but the number of components is minimized
Solution Approach 1:
The patent employs a nested arrangement where the movable unit is positioned within the casing, the dial unit is integrated with the movable unit, and the support rotates within the assembled mechanism. This nesting allows the components to be compactly arranged, reducing the overall installation volume while maintaining all necessary functions with minimal components.
Solution Approach 2:
The invention utilizes the scroll-shaped groove in the dial, which varies in distance from the rotation axis, to convert rotational motion into linear motion of the movable unit. This dimensional transformation allows the mechanism to achieve compact proportions by utilizing radial variations in the groove rather than requiring additional linear space.
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 device provides a compact, user-friendly solution with reduced production costs and improved installation size, allowing for efficient switching between states with minimal movement, enhancing the user experience and reducing visual obstruction for drivers.
Implementation Method 1
a dial which is shaped in a gear and turns about a second rotary shaft and is provided with a scroll-shaped groove varying in distance from the second rotary shaft
Data Source
AI summary
A panel opening/closing device includes: a support which supports a panel and is turnable about a first rotary shaft; a dial which is turnable about a second rotary shaft in accordance with an operation by a user; and a movable unit which undergoes horizontal movement and includes pins inserted into a groove of the dial and a groove of the support, respectively.