Pressing rotating structure

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Solution Overview

Problem

Existing rotary drive devices, such as electric cleaning brushes, pose safety risks due to electric leakage and are inconvenient in environments without power supply.

Innovation Solution

A pressing rotating structure with a key and elastic member that allows manual operation, using a sectorial tooth to drive a rotating shaft without electricity, featuring a transmission assembly and anti-reverse rotation mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If electrically driven rotation is used, then time-saving and labor-saving benefits are achieved, but electric leakage risk and safety threats increase

Engineering Contradiction:

Improverotation efficiencyVSAvoidelectric leakage risk

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the electrically driven system with a manually operated mechanical system. The key component is a manually operable pressing mechanism that converts rotational motion of a pressing member into rotational motion of the drive shaft through mechanical transmission elements (gears, racks, or cam mechanisms). This eliminates electrical components entirely, substituting mechanical advantage and leverage principles for electric motors, thereby achieving rotation without electric leakage risks while maintaining productivity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If electrically driven rotary drive devices are used, then rotation function is achieved, but convenience of use deteriorates in environments without power supply

Engineering Contradiction:

Improverotation functionVSAvoidconvenience in power-free environments

Core Design Contradiction:

ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent implements a self-service mechanism where the user directly operates the pressing member to generate rotational motion. The manual pressing mechanism stores energy in elastic elements (springs or elastic deformable components) during the pressing stroke and releases it to drive the rotation. This self-contained mechanical system requires no external power supply, making it fully adaptable to power-free environments while maintaining the rotation function through human-powered mechanical energy conversion.

Inventive Principle:

Principle #25Self-service

3Reliability

If manual pressing operation is used, then safety and power-free operation are achieved, but device complexity increases

Engineering Contradiction:

Improvesafety and power-free operationVSAvoidstructure complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the manual pressing mechanism into distinct functional modules: a pressing member for user input, a transmission mechanism (using separate gears, racks, or cam components) for motion conversion, and an elastic energy storage element for power delivery. This modular segmentation allows each component to be simple and independent, reducing overall complexity while achieving reliable safety and power-free operation. The segmented design also facilitates easier manufacturing and assembly.

Inventive Principle:

Principle #1Segmentation

4Object-affected harmful factors

If manual pressing operation is used, then electric leakage risk is eliminated, but time-consuming operation increases

Engineering Contradiction:

Improveelectric leakage riskVSAvoidoperation time

Core Design Contradiction:

Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The patent employs periodic pressing actions where the user performs repeated pressing strokes on the pressing member. Each pressing stroke converts linear pressing motion into rotational motion of the drive shaft through the mechanical transmission mechanism. This periodic action allows continuous rotation to be achieved through rhythmic manual input, eliminating electric leakage risk while managing operation time through efficient mechanical leverage and elastic energy storage that reduces the effort and time per stroke compared to direct manual rotation.

Inventive Principle:

Principle #19Periodic action

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

Enables safe and efficient manual operation without electric leakage, allowing use in power-free environments with a simple structure and low manufacturing costs.

Implementation Method 1

an elastic member, wherein the elastic member is provided with a compression preload force so as to enable the key to be maintained at the first position

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS12566468B1Pressing rotating structure

Publication Date: 2026.03.03 ZHENGZHOU HEZHI JIACHENG TECHNOLOGY CO LTD

AI summary

The present invention discloses a pressing rotating structure and a brush. In the pressing rotating structure, a key rotatably connected to a housing is disposed, so that the key can swing between a first position and a second position under a pressing force and an elastic force of an elastic member, to drive a center rotating shaft to rotate through a sectorial tooth on the key and a transmission assembly in sequence, thereby implementing manual pressing driving without requiring electricity. The pressing rotating structure has advantages of simple structure, convenient use, low manufacturing costs, and the like.