Adjustable Car Seat Headrest Mounting for Screen Vibration Protection
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Solution Overview
Problem
Conventional car seat headrests with built-in LCD screens are not adaptable to different car seat sizes and lack a rigid frame to withstand vibrations and external shocks, leading to potential damage of electronic components.
Innovation Solution
An adjustable car seat headrest with length-adjustable sliding guides and parallel supporting arms that can be customized to fit any car seat, combined with a robust supporting frame to secure the LCD screen and protect it from vibrations and impacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional head rest is manufactured with a specific dimension to match a specific car seat, then it provides stable support for that car seat, but it cannot be selectively switched to other car seats with different retention slot distances
Solution Approach 1:
The mounting arrangement employs a sliding guider mechanism that allows the supporting arms to dynamically adjust their distance apart. The guider can slide along the supporting arms to change the engaging distance, enabling the head rest to adapt to different car seat retention slot distances. This dynamic adjustment capability provides universality across different car models while maintaining a relatively simple overall structure.
2Adaptability or versatility
If an LCD screen is incorporated into an original manufactured head rest, then it provides entertainment functionality, but the LCD screen is vulnerable to damage from vibration and external shocks due to lack of rigid frame support
Solution Approach 1:
The mounting arrangement is segmented into distinct functional components: supporting arms for structural support, a sliding guider for adjustment, and a fixing mechanism for securing the LCD screen. This segmentation allows each component to be optimized independently - the supporting arms provide rigid structural support to protect the LCD screen from vibration and shocks, while the guider and fixing mechanism handle adjustment and screen mounting respectively.
Solution Approach 2:
The supporting arms are designed with a U-shaped configuration that extends upward from the base. This curved structure provides both structural rigidity to resist vibration and shocks, and aesthetic appearance. The U-shape naturally distributes mechanical stresses away from the LCD screen mounting area, enhancing protection while maintaining design elegance.
3Ease of operation
If the supporting frame provides freedom for the LCD screen to move around, then it allows easy installation, but it causes the LCD screen to damage from vibration and external impacts
Solution Approach 1:
The mounting mechanism transitions from a static fixed structure to a dynamic system with controlled movement. The sliding guider allows intentional adjustment during installation and use, while the fixing mechanism provides secure locking once positioned. This dynamic approach enables easy installation through adjustment while ensuring reliable protection through secure fixation, resolving the contradiction between movement freedom and vibration protection.
Data Source
AI summary
An adjustable car seat head rest adapted for mounting on a car seat having two spaced apart retention slots, a head pillow having an interior cavity for a supporting frame wherein a display screen is supported thereon, and an adjustable mounting arrangement which allows the head pillow to be mounted onto the car seat. The mounting arrangement further has a length-adjustable sliding guider, two supporting arms downwardly and parallelly extended from the sliding guider to define an engaging distance between them, and an adjuster provided at the sliding guider to selectively adjust the engaging distance of the supporting arms such that the two supporting arms are adapted for engaging with the two retention slots respectively so as to securely support the head pillow on the car seat.