Vehicle Seat Trim Cover Pocket Attachment
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Solution Overview
Problem
The end processing of vehicle seat trim covers using J-shape hooks is costly.
Innovation Solution
A vehicle seat design where the trim cover is secured using a pocket portion sewn into the end portion, eliminating the need for J-shape hooks and reducing the number of sewing operations, with the trim wire inserted into the pocket to perform the same function.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If J-shape hooks are used to secure the trim cover to the seat frame, then the trim cover can be reliably attached, but the manufacturing cost increases
Solution Approach 1:
The invention extracts and eliminates the J-shape hooks from the assembly by integrating their securing function directly into the trim cover through sewn pockets. This removes the separate hook component while maintaining the attachment function, thereby reducing part count and manufacturing cost.
Solution Approach 2:
The invention merges the function of the J-shape hooks into the trim cover itself by creating sewn pockets that directly receive and secure the trim wires. This consolidation eliminates the need for separate hook components and reduces assembly complexity.
2Reliability
If J-shape hooks are used for trim cover end processing, then secure attachment is achieved, but the number of components and assembly steps increases
Solution Approach 1:
The invention extracts the hook function from a separate component and integrates it into the trim cover structure itself through sewn pockets, thereby reducing the total number of components while maintaining attachment security.
Solution Approach 2:
The trim cover's own structure is modified to provide the securing mechanism through sewn pockets, making the trim cover self-sufficient for its own attachment without requiring separate hook components.
3Reliability
If J-shape hooks are used to attach the trim cover, then the trim wire can be secured, but the assembly process becomes more complex and time-consuming
Solution Approach 1:
The invention merges the trim wire securing function into the trim cover's sewn pockets, eliminating the need for separate hook attachment steps and simplifying the assembly process to improve productivity.
Solution Approach 2:
By extracting the hook component and its associated attachment steps, the invention streamlines the assembly process, reducing the number of operations required to secure the trim cover while maintaining reliable trim wire attachment.
Data Source
AI summary
This seat for vehicles is provided with: a seat cushion frame that forms the skeleton of the seat part of the seat; a cushion material disposed on the seat cushion frame; and a trim cover that covers the cushion material. The seat cushion frame has a cushion side frame that supports the lateral lower section of the seat part of the seat, and a trim wire that is fixed to the cushion side frame. The ends of the trim cover have a pocket part sewn in a pocket shape, and are configured such that the trim cover is fixed by inserting the trim wire into the pocket part.