Polymeric Clamping Clip for Fast Vehicle Carpet Assembly
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Solution Overview
Problem
Existing fixturing systems for vehicle assembly are costly and time-consuming, particularly in the assembly and disassembly of components like car carpets, which require complex and inefficient clamping mechanisms.
Innovation Solution
An injectable clamping part with a polymeric clip body divided into upper, middle, and lower parts, where the upper part attaches to a fabric layer, the middle part has a clamping housing structure connectable to a fixed structure projection, and the lower part is elastically connected to the middle part, allowing for assembly/disassembly at an angle ranging from 10 to 30 degrees with the mechanical stress direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional clamping mechanisms are used to hold fabric layers, then the clamping function is achieved, but the assembly process becomes time-consuming and costly
Solution Approach 1:
The patent combines the clamping function and the positioning function into a single integrated clip body. The clip body simultaneously clamps the fabric layer between its upper and lower parts while its projection positions the assembly on the fixed structure, eliminating the need for separate clamping and positioning mechanisms.
Solution Approach 2:
The invention extracts the clamping function from complex traditional fixturing systems and implements it through a simple single-piece polymeric clip body, reducing overall system complexity while maintaining effective clamping capability.
2Manufacturing precision
If complex fixturing systems are used to ensure proper assembly, then assembly precision is maintained, but assembly time increases significantly
Solution Approach 1:
The clip body is pre-designed with integrated positioning projections and clamping features that automatically align and secure the fabric layer in the correct position during a single assembly motion, eliminating the need for multiple adjustment and positioning steps.
Solution Approach 2:
The single-piece clip body performs both positioning and clamping functions automatically through its integrated geometry, with the projection fitting into the fixed structure and the upper/lower parts automatically clamping the fabric layer, requiring no additional operations or tools.
3Ease of operation
If traditional multi-component clamping systems are used, then clamping function is achieved, but the number of plastic components and weight increase
Solution Approach 1:
The invention merges multiple traditional clamping components into a single polymeric clip body that performs all clamping and positioning functions, reducing the number of plastic components from multiple pieces to just one.
Solution Approach 2:
The single-piece clip body is designed to perform multiple functions simultaneously: clamping the fabric layer, positioning the assembly through its projection, and providing structural support, replacing what traditionally required multiple specialized components.
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
This design reduces the complexity and cost of fixturing systems by allowing for direct one-step mounting of the clamping part, reducing assembly time, and minimizing the use of plastic components, thereby lowering the overall weight and cost of the vehicle.
Implementation Method 1
the lower part of the clip body is elastically connected with the middle part
Data Source
Figure 1
AI summary
The present disclosure relates to an injectable clamping part and respective uses. It is disclosed an injectable clamping part for connecting to a fixed metallic structure comprising a polymeric clip body divided into an upper part, a middle part and a lower part, wherein the upper part of the clip body attaches against the fixed metallic structure at least a portion of a fabric layer, wherein the middle part of the clip body comprises a clamping housing-like structure connectable to a projection of the fixed metallic structure, wherein the lower part of the clip body is elastically connected with the middle part, wherein said clip body comprises an assembly direction forming an angle ranging from 10 to 30 degrees with the mechanical stress direction for assembly/disassembly said clip body.