Vehicle Door Handle Retaining Clip for Secure Pivotal Movement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle door handle systems require complex adjustments and additional processes for attaching and removing the handle, which can be cumbersome and inefficient, especially when needing to secure the handle in place while allowing for pivotal movement and easy removal for service or replacement.
Innovation Solution
A door handle assembly featuring a bracket with a snap-attachable clip that retains the handle's pivot end, allowing only pivotal movement while preventing longitudinal displacement, and can be easily released for removal by manipulating the clip from inside the vehicle door.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex adjustment mechanism is used to attach and remove the handle, then the handle can be securely retained, but the attachment and removal process becomes cumbersome and time-consuming
Solution Approach 1:
The retention mechanism is segmented into a separate clip component that can be independently attached and removed from the bracket, allowing the handle to be retained securely during operation but easily detached when needed for service or replacement
Solution Approach 2:
The clip is designed with dynamic characteristics that allow it to automatically snap into place during normal operation providing secure retention, while also allowing for easy manual release when removal is needed, thus adapting its retention strength based on operational context
2Stability of the object's composition
If the handle is firmly fixed to prevent any movement, then longitudinal stability is achieved, but pivotal movement necessary for door operation is restricted
Solution Approach 1:
The retention mechanism applies different constraints to different degrees of freedom: it provides strong longitudinal retention through the clip's engagement features while simultaneously allowing pivotal movement through the defined pivot axis, creating localized stability in the longitudinal direction while maintaining operational freedom in the rotational direction
Data Source
AI summary
A vehicular exterior door handle assembly includes a bracket, a handle, and a clip. The handle, with the bracket mounted at an exterior door handle region of a vehicular door, is movable relative to the bracket by a user to actuate a latch mechanism for opening the door. The clip is attached at the bracket and engages a pivot end of the handle when the pivot end is inserted into the bracket, and retains the pivot end of the handle at the bracket when the pivot end of the handle is engaged with a pivot element of the bracket. The clip (i) limits movement of the handle relative to the bracket in a direction along a longitudinal axis of the bracket or handle, (ii) allows pivotal movement of the handle about the pivot element of the bracket, and (iii) allows for removal of the handle from the bracket.