Vehicle Seat Rail Spring Layout for Buried Floor Walk-In Function
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Solution Overview
Problem
Conventional vehicle seat rails with a walk-in function face limitations when the lower rail is deeply buried in the floor, as there is no space to couple a restoring spring, hindering the implementation of the walk-in function.
Innovation Solution
A vehicle seat rail design that accommodates a restoring spring and connection bracket within the lower rail, allowing the spring to provide a restoring force to the upper rail even when the lower rail is buried in the floor, using a hollow lower rail body with protruding rail frames and a spring guide to house the connection bracket and spring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the lower rail is deeply buried in the floor to minimize external protrusion, then aesthetic appearance and safety are improved, but there is no space to couple the restoring spring
Solution Approach 1:
The restoring spring and connection bracket are nested inside the hollow lower rail body, which itself is embedded in the floor. This nested configuration allows the spring mechanism to be housed within the already-buried rail structure, eliminating the need for additional external space while maintaining both aesthetic appearance and functional capability
2Object-affected harmful factors
If the lower rail is deeply buried in the floor, then foot hazards are avoided, but there is no space for coupling the restoring spring
Solution Approach 1:
The restoring spring is nested within the hollow lower rail body that is buried in the floor. This configuration keeps the spring mechanism hidden inside the rail structure, eliminating foot hazards from external protrusions while providing adequate space for the spring to function
3Shape
If the lower rail is deeply buried in the floor, then interior design aesthetics are enhanced, but the restoring spring cannot be coupled externally
Solution Approach 1:
The restoring spring and connection bracket are nested inside the hollow lower rail body, which is embedded in the floor to maintain clean interior aesthetics. The nested configuration allows the spring mechanism to be completely hidden within the rail structure, eliminating the need for external coupling points that would compromise the aesthetic appearance
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
Enables the walk-in function by maintaining the restoring force mechanism within the lower rail, allowing for effective seat adjustment and movement while minimizing external protrusion and avoiding foot hazards, and enhancing interior design aesthetics.
Implementation Method 1
a restoring spring fixedly coupled to the lower rail at one end in a longitudinal direction and configured to provide a restoring force to the upper rail
Data Source
AI summary
The present disclosure relates to a vehicle seat rail. The vehicle seat rail includes a lower rail fixed to a bottom of a vehicle, an upper rail fixed to a seat at an upper portion thereof and coupled to the lower rail to be slidably movable, a restoring spring fixedly coupled to the lower rail at one end thereof in a longitudinal direction and configured to provide a restoring force to the upper rail, and a connection bracket configured to connect the restoring spring to the upper rail. The lower rail may accommodate the restoring spring and the connection bracket to implement a walk-in function even when the lower rail is buried in the floor.