Seat Rail End Stop Bracket Assembly Design
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Solution Overview
Problem
Current vehicle seating systems lack flexibility, ease of use, and high maintenance requirements, and manufacturers face challenges in reducing complexity and cost while improving quality and reducing vehicle mass.
Innovation Solution
A seat end stop system featuring a seat rail with an end stop bracket assembly that prevents the seat slider from sliding beyond a certain position, using end stop brackets and bolts to restrict movement and cover the seat rail opening, thereby enhancing control and flexibility of seating adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the seat slider is allowed to slide freely along the seat rail, then the seating system offers greater flexibility and adaptability, but the seat rail becomes exposed to debris and contamination
Solution Approach 1:
The end stop bracket assembly is nested within the seat rail structure, with the bracket positioned inside the rail's longitudinal profile. The bracket's vertical portion fits within the rail's cross-sectional opening, creating a nested configuration that blocks debris while maintaining slider mobility.
Solution Approach 2:
The end stop bracket assembly acts as an intermediary element between the seat rail's internal cavity and the external environment. It mediates by providing a physical barrier that prevents debris from entering the rail while allowing the seat slider to pass through and move freely along the rail.
2Ease of operation
If traditional end stop mechanisms are used to prevent seat slider over-travel, then movement control is achieved, but the design complexity and part count increase
Solution Approach 1:
The end stop bracket assembly merges multiple functions into a single integrated component: it provides the end stop function to prevent slider over-travel, acts as a debris shield to block contamination, and serves as a structural element of the seat rail assembly. This consolidation eliminates the need for separate end stop mechanisms.
Solution Approach 2:
The end stop bracket assembly is designed as a multi-functional element that simultaneously performs movement restriction, debris protection, and structural support. The vertical portion provides end stopping, the horizontal portion extends to block debris, and the entire assembly integrates with the rail's structural framework.
Data Source
AI summary
A seat assembly including a seat rail having an opening at an end of the seat rail, a seat slider that slides relative to the seat rail along a length of the seat rail, and an end stop at the end of the seat rail that prevents the seat slider from sliding beyond the opening and that substantially covers a cross section of the opening.