Motorized Nail Grinding Pen With Enclosed Dust Containment
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Solution Overview
Problem
Conventional nail files and emery boards are limited in their ability to effectively grind nails in small areas and generate nail dust that can be harmful when inhaled, leading to health issues and inefficiencies in nail beautification processes.
Innovation Solution
A nail grinding pen with a motor-driven rotating shaft and a gripper mechanism that securely holds a grinding head, allowing for precise control and reduced dust dispersion through the use of a fan for heat dissipation and an auxiliary light for improved visibility, along with a host machine for controlling the motor's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional nail files or emery boards are used, then the device is simple and easy to manufacture, but the grinding precision in small areas is poor and nail dust disperses widely
Solution Approach 1:
The patent replaces the manual mechanical filing system with an electric motor-driven grinding system. The motor (20) rotates the grinding head (GH) at controlled speeds to achieve precise grinding in small areas, eliminating the need for manual back-and-forth motion with conventional files. This substitution enables precise control over grinding pressure and speed, significantly improving grinding precision while containing dust through the enclosed pen structure.
Solution Approach 2:
The patent implements variable speed control of the motor (20) through a driver circuit that can adjust rotation speed parameters. This allows the grinding head to operate at different speeds depending on the nail material and desired outcome, optimizing grinding precision for different applications. The speed parameter adjustment enables fine-tuned control that conventional fixed-speed files cannot provide.
2Object-affected harmful factors
If conventional nail files are used, then the device structure is simple, but nail dust disperses in the air causing health hazards
Solution Approach 1:
The patent employs a nested structure where the grinding head (GH) is contained within the inner body (30), which is itself housed within the pen barrel (10). This multi-layer enclosure creates a contained grinding environment that prevents nail dust from dispersing into the surrounding air. The gripper (31) and other components are nested within the inner body, creating a compact, enclosed system that contains dust at the source.
Solution Approach 2:
The patent creates a controlled, enclosed environment within the pen barrel that isolates the grinding operation from the external atmosphere. The sealed structure prevents dust-laden air from mixing with the breathable environment, effectively creating a protective barrier similar to an inert atmosphere that prevents harmful interactions between the dust and users.
3Ease of operation
If a motor-driven grinding system is used, then grinding precision and control are improved, but the device complexity increases
Solution Approach 1:
The patent integrates multiple functions into a single compact device: the motor (20) provides both rotation and speed control, the gripper (31) enables both securing and releasing of grinding heads, and the pen barrel serves as both structural housing and dust containment. This multi-functionality reduces the need for separate tools and components, making the overall system more manageable despite the added complexity of motorized operation.
Solution Approach 2:
The gripper mechanism (31) is designed to automatically secure the grinding head when the motor operates and can be easily released when needed. The motor's rotation naturally presses the grinding head against the gripper's securing surfaces, creating a self-locking effect that maintains the grinding head in position during operation without requiring additional fastening mechanisms.
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 the versatility and operability of nail grinding, reduces nail dust dispersion, and improves the overall efficiency and safety of the nail beautification process by providing a more precise and controlled grinding experience.
Implementation Method 1
a motor (20) having a rotating shaft (21) to be driven to rotate by electricity
Implementation Method 2
the use of a fan for heat dissipation
Data Source
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AI summary
The present invention discloses a nail grinding pen, which comprises a pen barrel, a motor, and an inner body. The inner side of the pen barrel has a receiving space, and an opening connected to the receiving space provided on one side of the pen barrel. The motor is arranged in the receiving space, and driven by electric power to rotate the rotating shaft. The inner body is connected to the rotating shaft, and one end of the inner body facing the opening has a gripper for fixing a grinding head, so that the motor is able to drive the grinding head into rotation by rotating the gripper.