Faucet Handle Universal Joint for Valve Rod Compatibility
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Solution Overview
Problem
Current faucets have control shafts with different cross-sectional shapes and dimensions, making it inconvenient for consumers to find matching faucet handles, limiting style variety and installation convenience.
Innovation Solution
A wall-mounted faucet control module with a control handle and three joints of varying insertion apertures (circular, rhomboidal, and elliptical) that can be alternated to fit different water valve control rods, using a U-shaped protruding portion, engaging member, and securing apertures for secure installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different control shafts with specific cross-sectional shapes and dimensions are used for various water valves, then each valve can have its dedicated control handle, but consumers need to select matching faucet handles which is very inconvenient
Solution Approach 1:
The control handle is designed with a universal joint structure that can accommodate multiple types of control shafts. The joint includes a joint body with an insertion aperture and a securing member, allowing it to interface with different cross-sectional shapes (circular, square, rectangular, etc.) of control shafts from various water valves, making a single handle design compatible with multiple valve types
Solution Approach 2:
The faucet control system is divided into separate modular components: the control handle body and the joint. The joint acts as an interchangeable adapter that can be selected to match specific control shaft shapes. This segmentation allows consumers to simply choose the appropriate joint for their valve type without needing to select entire handle assemblies, greatly simplifying the selection process
2Reliability
If custom-matched control handles are selected for each specific control shaft shape, then proper fitting is achieved, but the process becomes complex and time-consuming
Solution Approach 1:
The joint is pre-designed with specific insertion aperture shapes and securing member configurations that match standard control shaft types. This preliminary preparation of standardized interfaces means that during installation, users only need to select the pre-made joint that corresponds to their control shaft shape, rather than custom-fitting handles, significantly reducing selection and installation time while ensuring proper fit
Solution Approach 2:
The joint serves as an intermediary component between the control shaft and the control handle body. It mediates the connection by providing a standardized interface that adapts to different control shaft shapes. This intermediary approach ensures reliable fitting while simplifying the overall selection process, as users only need to match the joint to the control shaft, not the entire handle assembly
Data Source
AI summary
A faucet handle and control module includes: a control handle and three joints. Each joints is respectively disposed between the protruding portion of the control handle and the engaging member, each joint has an insertion aperture. each insertion aperture having a different cross-sectional shape, two insertion apertures of the two joints having an assembly aperture at one end, the assembly aperture engaging with the screwing member of the control handle, these two joints having a securing aperture connected to the insertion aperture, and the securing aperture engaging with a securing member.