Faucet Retainer Sleeve Tool for Confined-Space Installation

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Solution Overview

Problem

Current faucet retainers are difficult to install and remove due to hidden installation positions, requiring special tools and additional wrenches, leading to inconvenient and time-consuming operations.

Innovation Solution

A device comprising a sleeve with a demountable block and a handle, where the handle drives the sleeve to rotate for easy installation and removal of the faucet retainer, with a sliding hole for adjustable depth and end caps for stability, allowing for flexible operation in confined spaces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a special tool with additional wrenches is used to install and remove faucet retainers, then the retainer can be installed and removed, but the operation becomes inconvenient and time-consuming

Engineering Contradiction:
Improveretainer installation capabilityVSAvoidoperation convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent combines the installation and removal functions into a single integrated tool head that attaches to a standard wrench. The tool head includes a U-shaped clamping structure with teeth that engage with the retainer's hexagonal or multi-sided structure, eliminating the need for separate specialized tools for different retainer types.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The tool is designed with a universal interface that can accommodate different retainer sizes and shapes. The adjustable clamping mechanism and multiple tooth configurations allow the same tool to work with various retainer types, making it a multi-functional solution rather than requiring multiple specialized tools.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If a special tool is used to install and remove faucet retainers, then the retainer can be installed and removed, but additional wrenches are needed to rotate the tool

Engineering Contradiction:
Improveretainer installation capabilityVSAvoidtool structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the tool head with the wrench handle into a single integrated unit. The tool head is directly mounted on the wrench, eliminating the need for separate rotation mechanisms or additional wrenches. The user simply rotates the entire wrench-tool assembly, simplifying the overall device structure.

Inventive Principle:
Principle #5Merging (Combining)

3Device complexity

If the handle is fixed at a specific depth in the sliding hole, then the structure is simple, but it cannot adapt to different space constraints

Engineering Contradiction:
Improvestructure simplicityVSAvoidspace adaptability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent implements a dynamic adjustment mechanism where the handle can be positioned at different depths within the sliding hole. The handle includes positioning features that allow it to be fixed at multiple predetermined positions along the sliding hole, enabling the user to adjust the handle depth based on the available workspace and access conditions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The sliding hole is divided into multiple positioning zones with corresponding stops or features. This segmentation allows the handle to be positioned at discrete depths, providing adaptability to different space constraints while maintaining a relatively simple structure without requiring continuous adjustment mechanisms.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250369207A1Device for installing and removing a faucet retainer
Publication Date: 2025.12.04 LI LONG
  • US20250369207A1 patent drawing
  • US20250369207A1 patent drawing
  • US20250369207A1 patent drawing

AI summary

A device for installing and removing a faucet retainer is disclosed, including a sleeve and a handle. The sleeve is provided with a demountable block at a lower end thereon for installing and removing the faucet retainer, the handle is disposed on the sleeve, and the handle is configured to drive the sleeve to rotate for installing and removing the faucet retainer. The device can efficiently complete installation and removal tasks of the faucet retainer, and such operation is simple and flexible, thereby greatly improving work efficiency.