Vehicle Seat Guiding Device for Child Restraint Coupling
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Solution Overview
Problem
Existing vehicle seat designs for child seats lack a simple and quick method for coupling and decoupling, especially when the coupling area is not visible, making it difficult for users to securely and efficiently install and remove child seats.
Innovation Solution
A seating arrangement with a base cushion, top cushion, and backrest, featuring a coupling device, guiding device, and protection device, where the guiding device, designed as a plastic ramp, ensures the coupling arm of the child seat is easily guided to the coupling device, and the protection device prevents abrasion, while a covering device can be moved to reveal the opening for the coupling arm.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a coupling device with opening is provided in the seat cushion for fastening a child seat, then the child seat can be securely fastened, but the coupling area is not visible making it difficult for users to locate and couple the child seat quickly
Solution Approach 1:
A guiding device made of abrasion-resistant material is introduced as an intermediary element between the coupling arm and the coupling device. This guiding device extends into the coupling area and provides a visible, tactile path that guides the coupling arm to the opening, solving the visibility and location problem while maintaining secure fastening through the original coupling mechanism
2Ease of operation
If the coupling area is made visible to facilitate easy coupling, then the ease of operation improves, but the visual appearance of the seat cushion is compromised
Solution Approach 1:
The guiding device is designed with local quality differentiation - it has a first region with a first visual appearance that matches the seat cushion cover, and a second region with a second visual appearance that contrasts to indicate the coupling area. This allows the guiding device to blend into the overall design while still providing visual guidance for coupling
3Productivity
If a guiding device is added to guide the coupling arm to the coupling device, then the ease of operation and coupling speed improve, but the device complexity increases
Solution Approach 1:
The guiding device serves multiple functions: it provides visual guidance through its contrasting second region, provides tactile guidance through its extension into the coupling area, and protects the coupling mechanism through its abrasion-resistant material. By combining multiple functions into a single element, the solution improves coupling speed without proportionally increasing complexity
4Reliability
If the guiding device is made of durable material to prevent abrasion, then the reliability and durability improve, but the manufacturing cost and complexity increase
Solution Approach 1:
The guiding device is constructed from composite materials that combine abrasion-resistant properties with ease of manufacturing. The use of durable materials in only the critical wear areas (first region) while using standard materials in other areas (second region) provides the necessary durability without requiring the entire device to be made from expensive, difficult-to-manufacture materials
Data Source
AI summary
A seating arrangement for a vehicle includes abuse cushion and a top cushion. The top cushion is situated on the base cushion and divides the base cushion into a seat cushion section and a coupling cushion section. The seat cushion section is situated in front of the top cushion in the seat direction. The coupling cushion section is situated in back of the top cushion in the seat direction and includes a cover. The seating arrangement includes a coupling device which is configured to cooperate with a child seat having at least one coupling arm for coupling with the coupling device arranged on the seat cushion section. The seating arrangement further includes a guiding device fastened to the cover of the coupling cushion section for the coupling arm.