Handle Assembly with Flexible Snap Ring for Faucet Alignment
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Solution Overview
Problem
Conventional handle assemblies for faucets, especially those with non-circular shapes, are aesthetically challenging to install in the preferred rotational alignment for the 'valve off' position, due to varying tightening degrees and production tolerances, leading to increased installation time and difficulty.
Innovation Solution
A handle assembly featuring a flexible snap member connecting a bonnet and escutcheon, allowing for telescopic alignment and relative rotation, combined with a clamping structure for secure mounting, enabling easy placement and alignment of handles and escutcheons without significantly increasing installation complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If conventional handle assemblies with fixed tightening degrees are used, then manufacturing is simpler, but installation time increases due to difficulty in achieving optimal rotational alignment
Solution Approach 1:
The handle assembly incorporates a dynamic adjustment mechanism that allows the escutcheon to be rotated and repositioned during installation. The telescopic connection between the bonnet and escutcheon enables relative rotation, allowing installers to achieve optimal rotational alignment before final tightening, thus reducing installation time while maintaining reasonable assembly complexity.
2Adaptability or versatility
If non-circular shaped handles and escutcheons are used, then aesthetic flexibility is improved, but installation difficulty increases due to rotational alignment requirements
Solution Approach 1:
The telescopic connection allows the escutcheon to rotate relative to the bonnet during installation, enabling installers to achieve the desired rotational alignment for non-circular shapes. This dynamic adjustment capability maintains aesthetic flexibility while significantly improving installation ease compared to fixed connections.
Solution Approach 2:
The handle assembly is divided into separable components (bonnet, escutcheon, handle) connected by the telescopic mechanism. This segmentation allows independent positioning and rotation of each component, making it easier to achieve optimal rotational alignment for aesthetically pleasing non-circular configurations without increasing overall installation difficulty.
3Adaptability or versatility
If variable tightening degrees are used to accommodate production tolerances, then adaptability to different counter top thicknesses is improved, but manufacturing precision requirements increase
Solution Approach 1:
The telescopic connection provides a dynamic range of motion that accommodates variations in counter top thickness and production tolerances. The mechanism allows for adjustment in multiple directions, reducing the need for high manufacturing precision in individual components while maintaining adaptability to different installation conditions.
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
Facilitates the installation of uniquely shaped handles and escutcheons in optimal rotational alignment, reducing installation time and complexity while providing aesthetic flexibility without increasing costs.
Implementation Method 1
A flexible snap member is mounted to the other of the bonnet and the escutcheon and is suitable to snap into the recess when the bonnet and the escutcheon are telescoped together
Implementation Method 2
The clamping structure may include a ring having threads that engage a threaded surface of the valve housing. The clamping structure may further include a post threaded to the ring and extendable towards the second side of the support.
Data Source
AI summary
A handle assembly is disclosed that is suitable for mounting a valve housing that has a valve stem to a support. In one form, the handle assembly includes a handle, an escutcheon, a bonnet, a recess, and a flexible snap ring. The handle is operationally linked to the valve stem of the valve housing for controlling movement of the valve stem. The escutcheon is positionable on a first side of the support adjacent the handle. The bonnet is linked to the valve housing. The recess is formed in one of the bonnet and escutcheon. The flexible snap member mounted to the other of the bonnet and escutcheon and suitable to snap into the recess when the bonnet and escutcheon are telescoped together, while thereafter permitting relative rotation of the bonnet and escutcheon.