Combination Tool with Damping Mechanism for Secure Multi-Function Storage

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Solution Overview

Problem

Conventional scrapers lack multifunctionality, requiring operators to carry and switch between multiple tools for tasks like screw removal and surface cleaning, leading to inconvenience and reduced efficiency.

Innovation Solution

A multifunctional scraper tool with a detachable tool receptacle in the handle that accommodates additional tools like screwdriver bits, knife blades, and tape measures, secured by damping mechanisms such as anti-slip coatings, magnetic elements, or snap elements, allowing for easy access and storage of multiple functions in a single tool.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional scrapers are used with basic scraping or shoveling capabilities, then the scraper structure remains simple, but the operator must carry and switch between multiple tools for tasks like screw removal and surface cleaning, leading to inconvenience and reduced efficiency

Engineering Contradiction:

ImprovemultifunctionalityVSAvoidtool structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The scraper tool is designed with a universal handle that can accommodate multiple different tool components (scrapers, screwdrivers, knives, etc.). The handle includes a receptacle with damping mechanism that can securely hold various tools, allowing a single tool to perform multiple functions instead of requiring separate tools for each task.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The tool components are designed to be nested within the handle receptacle when not in use. The damping mechanism allows tools to be stored inside the handle structure, creating a compact configuration where smaller tools are contained within the larger handle body, reducing the need to carry separate tool cases or pouches.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Ease of operation

If multiple tools are integrated into a single scraper tool, then the operator convenience and efficiency are improved, but the risk of accidental disengagement and loss of tool components increases

Engineering Contradiction:

Improveoperator convenienceVSAvoidtool component retention

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The damping mechanism is designed with protrusions that extend into the receptacle to cushion and secure the tool components before they can accidentally disengage. This preventive design feature ensures tools remain securely held during normal use while allowing intentional removal when needed, balancing retention reliability with operational convenience.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

3Reliability

If a damping mechanism is added to prevent accidental disengagement, then the tool component retention is improved, but the device complexity increases

Engineering Contradiction:

Improvetool component retentionVSAvoiddamping mechanism structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The damping mechanism replaces complex mechanical locking systems with simpler protrusion-based retention features. Instead of using springs, latches, or threaded fasteners, the design uses straightforward protrusions that extend into the receptacle to provide sufficient retention for hand tools, significantly reducing manufacturing complexity while maintaining adequate reliability for the application.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

Enhances operational convenience and efficiency by integrating multiple functions into a single tool, reducing the need for multiple tools and minimizing the risk of loss or misplacement, while maintaining a comfortable grip and appearance.

Implementation Method 1

the damping mechanism comprises a magnetic element embedded in the grip portion

Methodology Applied

Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentUS20250018540A1Combination tool

Publication Date: 2025.01.16 HANGZHOU UNITED TOOLS CO LTD

AI summary

The present application discloses a combination tool characterized in comprising: a first tool component comprising a working portion and a grip portion, which are coupled to each other, the grip portion defining a tool receptacle; at least one second tool component having a different function from that of the tool component, the second tool component detachably engaged in the tool receptacle; and a damping mechanism configured to prevent the second tool component from dislodging from the grip portion in the absence of an external force acting thereon.