Vehicle Seat Partition With Movable Armrest for Space and Support
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Solution Overview
Problem
There is a need for a vehicle seat assembly that efficiently uses limited space in vehicles while providing proper support to passengers to maintain their position during changes in vehicle motion, such as starting, stopping, or turning.
Innovation Solution
A partition and vehicle seat assembly with a movable partition that includes a fixing portion and a movable portion, where the movable portion can rotate between a folded and unfolded position, providing additional support with an armrest surface and a projecting portion to hold the passenger's upper body in place, and allowing the seat to fold into a smaller space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the vehicle seat is designed to be foldable to save space, then space utilization is improved, but passenger support function deteriorates
Solution Approach 1:
The partition is designed with a movable portion that can rotate between a folded position (adjacent to the base portion) and an unfolded position (away from the base portion). This dynamic structure allows the partition to adapt its configuration based on whether the seat is in use or storage mode, resolving the contradiction between space saving and functional support.
Solution Approach 2:
The partition serves multiple functions: when unfolded, it provides lateral support to the passenger's upper body and serves as an armrest; when folded, it minimizes space occupation. This multi-functionality allows a single structure to address both space utilization and passenger support requirements.
2Reliability
If the vehicle seat is designed to hold passenger in proper position for safety, then passenger safety is improved, but space utilization deteriorates
Solution Approach 1:
The partition is divided into a fixing portion (base portion) and a movable portion. The movable portion can be rotated to an unfolded position to provide lateral support to the passenger's upper body, enhancing safety without requiring the entire seat structure to be larger.
Solution Approach 2:
The partition utilizes the lateral dimension by extending from the side surface of the backrest. The movable portion projects from the base portion in a direction perpendicular to the backrest front surface, providing support in the lateral direction without increasing the front-to-back space occupation of the seat.
3Reliability
If a partition is added to support passenger's upper body laterally, then passenger support function is improved, but device complexity increases
Solution Approach 1:
The partition is integrated with the vehicle seat assembly, specifically attached to the side surface of the backrest. This merging of functions allows the partition to be part of the seat structure rather than a separate component, reducing overall system complexity.
Solution Approach 2:
The movable portion of the partition serves dual purposes: when unfolded, it provides lateral support to the passenger's upper body and functions as an armrest. This multi-functionality reduces the need for separate components, thereby reducing device complexity.
Data Source
AI summary
A vehicle seat assembly includes a backrest, a seat including a seat surface, and a partition. The seat is movable between a seat folded position in which the seat surface is disposed along a front surface of the backrest and a seat unfolded position in which the seat surface faces up. The partition to be disposed adjacent to a side surface of the backrest includes a fixing portion and a movable portion. The fixing portion includes a base portion that extends along the side surface and a projecting portion projecting from the base portion farther than the front surface. The movable portion is movable between a folded position adjacent to the base portion and the front surface and an unfolded position away from the base portion and the front surface. The movable portion includes an armrest surface that faces up when the movable portion is in the unfolded position.