Motorized Hair Curling Iron With Interchangeable Curling Components

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Solution Overview

Problem

Existing hair curling irons lack the ability to automatically curl hair and have interchangeable curling components of different specifications.

Innovation Solution

A hair curling iron with a handle and detachable curling components of various sizes, driven by a motor for automatic rotation, featuring a rotating component connected to a circuit for power and temperature control, and a locking mechanism for easy replacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a hair curling iron has a fixed heating rod size, then the structure is simple, but it cannot create different types of curls

Engineering Contradiction:
Improvecurl type varietyVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The curling iron is divided into a fixed handle and interchangeable curling components. The handle contains the motor and control circuits, while the curling components (heating rods of different sizes) can be detached and replaced. This segmentation allows users to switch between different curl types by changing components, achieving versatility without making the entire device complex.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The handle is designed as a universal base that can accommodate multiple curling components of different specifications. The standardized connection interface between the handle and curling components allows one handle to support various heating rod sizes, enabling the device to perform multiple curling functions while maintaining a relatively simple overall structure.

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

2Adaptability or versatility

If the curling component is fixed and cannot be replaced, then the structure is stable, but users cannot choose different curl specifications

Engineering Contradiction:
Improvecomponent interchangeabilityVSAvoidconnection stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The connection between the handle and curling component is designed to be dynamically changeable - it can be easily attached and detached by the user. The connection structure includes positioning features and locking mechanisms that ensure stable connection during use, while allowing quick replacement when needed. This dynamic connection capability enables component interchangeability without compromising connection reliability during operation.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If manual curling is used, then the device structure is simple, but it requires manual adjustment and is inconvenient

Engineering Contradiction:
Improveoperating convenienceVSAvoidmechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The curling iron incorporates an automatic rotation function where the heating rod rotates automatically during the curling process. The motor-driven rotation mechanism allows the hair to be curled automatically without requiring the user to manually rotate the rod, significantly improving ease of operation. The system essentially serves itself by automating the curling action that would otherwise require manual effort.

Inventive Principle:
Principle #25Self-service

4Adaptability or versatility

If multiple curling components are provided, then versatility is improved, but the device becomes more complex and harder to operate

Engineering Contradiction:
Improvecurl specification varietyVSAvoidcomponent replacement ease
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

By separating the handle from the curling components and designing a standardized connection interface, the system makes component replacement simple and intuitive. Users can easily detach and attach different curling components without complex procedures, maintaining ease of operation even with multiple component options available.

Inventive Principle:
Principle #1Segmentation

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 automatic hair curling with interchangeable components, improving versatility and ease of use by allowing users to choose different curl types and sizes without manual adjustment.

Implementation Method 1

a driving component disposed in the housing, and a rotating component of which one end rotates in the housing. A working end of the driving component is connected to the rotating component

Methodology Applied
Scientific EffectElectromagnetic conversion: Electromagnetic Induction

Implementation Method 2

The hair curling component includes a heating rod that can generate heat

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 3

two layers of conductive rings in rotational contact with each other are provided in the accommodating groove

Methodology Applied
Scientific EffectElectrical conduction: Conduction (electrical)

Data Source

PatentUS12446672B2Hair curling iron
Publication Date: 2025.10.21 SHENZHEN GMT PCBA TECHNOLOGY CO LTD
  • US12446672B2 patent drawing
  • US12446672B2 patent drawing
  • US12446672B2 patent drawing

AI summary

A hair curling iron relating to the field of hairdressing devices is provided, which includes a handle and a hair curling component having a plurality of specifications and detachably connected to the handle. The handle includes a housing, a driving component disposed in the housing, and a rotating component of which one end rotates in the housing. A working end of the driving component is connected to the rotating component, one end of the hair curling component adjacent to the handle is provided with a connecting post and a plurality of probes. The connecting post is detachably inserted into another end of the rotating component, and the plurality of probes are correspondingly connected to a circuit in the handle through the rotating component.