Vehicle Seat Fitting Part Horizontal Alignment Mechanism
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Solution Overview
Problem
Existing vehicle seat folding table equipment can only be aligned horizontally if the backrest is at a precisely defined angle, and adjusting the backrest for comfort disrupts this alignment, while complex and expensive solutions are used to avoid this issue.
Innovation Solution
A compact, cost-effective design where a folding element is locked in a horizontal position using a slider with detents and counter-locking elements, allowing adjustment to different angles by changing the position of the slider relative to the rail arrangement, enabling horizontal alignment regardless of backrest inclination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the folding element is directly attached to the backrest, then the structure is simple, but the folding element can only be aligned horizontally when the backrest is at a precisely defined angle
Solution Approach 1:
The holding element is made adjustable along the rail arrangement, allowing its position to be dynamically changed. This enables the holding element to maintain the folding element in a horizontal position regardless of the backrest's inclination angle, resolving the contradiction between simple structure and adaptability to different angles
Solution Approach 2:
The holding element is divided into a slide portion that moves along the rail arrangement and a locking portion that engages with the folding element. This segmentation allows independent adjustment of the holding element's position while maintaining a relatively simple overall structure
2Adaptability or versatility
If additional support elements are used to pivotally attach the folding element, then horizontal alignment is maintained, but the construction becomes complex and expensive
Solution Approach 1:
The holding element serves multiple functions: it supports the folding element, maintains horizontal alignment, and provides adjustable positioning along the rail arrangement. By consolidating these functions into a single component rather than using separate support elements, the design achieves adaptability without increasing construction complexity
Solution Approach 2:
The rail arrangement acts as an intermediary between the backrest and the holding element, enabling smooth adjustment of the holding element's position. This intermediary mechanism allows the holding element to adapt to different backrest angles while maintaining a simple and cost-effective construction
Data Source
Figure 1~2c
Figure 3a~4c
Figure 5a~5c
AI summary
The invention relates to a fitting part for a vehicle seat, comprising a flap element that is rotatably secured to a backrest of said vehicle seat and can be pivoted between a substantially horizontal use position and a non-use position, as well as a retainer element (11) for locking said flap element in the use position, a first region (10) of the retainer element being rotatably secured to the backrest and a second region (13) of the retainer element being rotatably secured to a slide (7) that is mounted so as to be displaceable in a rail (6) of said flap element and that can be fixed relative to the rail by means of a securing element, said fitting part comprising a plurality of securing elements for locking the flap element in a plurality of use positions.