Seat Cushion Clip Structure for Roller Crushing Durability
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Solution Overview
Problem
During the manufacturing of vehicle seat cushions, seat clips are prone to damage from roller crushing and are cumbersome to handle due to their individual installation in the mold, leading to potential breakage of the seal clip during assembly.
Innovation Solution
A seat clip design with a base, anchor portion, and support arms that allow for elastic deformation without excessive bending, along with a ganged clip set for easy handling and separation, which can be securely fixed to the seat cushion and molded in a single process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If seat clips are individually installed into the mold prior to foam filling, then the seat clips can be positioned in their assembled positions, but handling the seat clips becomes cumbersome and difficult to manage on an assembly line
Solution Approach 1:
Multiple seat clips are connected together to form a ganged clip set that can be handled as a single unit. The clips are linked through the foam material, allowing operators to manipulate multiple clips simultaneously rather than handling each clip individually, thus improving ease of operation while maintaining positioning accuracy.
Solution Approach 2:
The seat clips are pre-assembled into a ganged configuration before being installed into the mold. This preliminary grouping allows the clips to be prepared and organized in advance, making the subsequent installation process more efficient and easier to manage on the assembly line.
2Manufacturing precision
If roller crushing is performed on the seat cushion after molding with seat clips in assembled positions, then air bubble size is regulated, but the seat clips may be squashed and damaged
Solution Approach 1:
The support arms are designed with elastic deformation capability to absorb and cushion the crushing forces applied during roller crushing. This beforehand cushioning through elastic deformation protects the anchor hooks and base from damage while still allowing the roller to regulate air bubbles in the foam.
Solution Approach 2:
The support arms are designed to change their physical state through elastic deformation during roller crushing. By allowing controlled parameter changes in the form of elastic deformation, the support arms can withstand the crushing forces without permanent damage, protecting the overall clip structure.
3Adaptability or versatility
If the extension arms undergo elastic deformation under squashing force from the roller, then the anchor hooks may move away from each other, but excessive deformation can cause the seat clip to break or damage
Solution Approach 1:
The support arms are positioned and designed to provide beforehand cushioning by making contact with the base during elastic deformation. This cushioning action limits the extent of deformation of the extension arms, preventing them from moving too far apart and avoiding breakage or damage to the seat clip.
Solution Approach 2:
The support arms act as intermediary elements between the extension arms and the base. During elastic deformation, the support arms mediate the force transmission by contacting the base, thereby controlling and limiting the deformation of the extension arms and anchor hooks to safe levels that prevent damage.
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
The design prevents excessive deformation and damage to seat clips during roller crushing and simplifies the handling and installation process, reducing the risk of breakage and operational costs.
Implementation Method 1
the extension arms undergo elastic deformation, such that the anchor hooks move away from each other
Data Source
AI summary
A seat clip for a seat cover anchor of a seat cover includes a base to be attached to a seat cushion; and an anchor portion attached on an upper surface of the base. The anchor portion includes a pair of extension arms extending upwardly from the upper surface of the base and disposed to face each other with a space therebetween, each extension arm having an upper end away from the base; a pair of anchor hooks formed at the respective upper ends of the pair of extension arms to extend inwardly from the upper ends of the extension arms so that the pair of anchor hooks anchor therebetween the seat cover anchor of the seat cover; and a pair of support arms formed at the respective upper ends of the pair of extension arms to extend outwardly from the extension arms at an angle towards the base.