Razor Cartridge Protective Case for Lightweight Elastic Coupling
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Solution Overview
Problem
Existing razor cartridge protective cases face challenges in providing effective protection while minimizing plastic use, ensuring durability, maintaining coupling strength, and facilitating easy attachment and detachment, while also addressing environmental concerns.
Innovation Solution
A razor cartridge protective case design featuring a receiving space with a front wall, longitudinal side wall, and first extension wall that couples to the rear surface, incorporating elastic deformation and environmentally friendly materials like polypropylene, with openings for moisture and residue discharge, and elastic pivot points for easy separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the protective case is made durable to maintain coupling force after repeated attachment and detachment, then reliability is improved, but weight increases
Solution Approach 1:
The protective case is divided into a body and a separate cap that couples to the razor cartridge. This segmentation allows the cap to be a lightweight component that provides coupling functionality without requiring the entire case to be heavy-duty, thus maintaining reliability while minimizing weight.
Solution Approach 2:
The cap is designed as a thin-walled structure that can elastically deform during coupling and detachment operations. This flexibility allows the cap to maintain coupling force through elastic recovery rather than requiring heavy rigid materials, resolving the contradiction between durability and weight.
2Loss of substance
If the protective case uses minimal plastic materials to address environmental concerns, then environmental friendliness is improved, but durability and coupling strength deteriorate
Solution Approach 1:
By segmenting the protective case into a reusable body and a disposable or recyclable cap, the design minimizes total plastic usage. The body can be made from durable materials for long-term use, while the cap uses minimal plastic that can be easily replaced or recycled, addressing environmental concerns without sacrificing overall durability.
Solution Approach 2:
The cap is designed with specific wall thickness parameters and material properties that provide sufficient durability for its intended function while minimizing material quantity. By optimizing these parameters, the design achieves the necessary strength and durability with reduced plastic consumption.
3Reliability
If the protective case is designed to firmly couple the razor cartridge, then reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The cap incorporates elastic deformation capability that allows it to dynamically adapt during coupling and detachment. When attaching, the cap elastically deforms to accommodate the razor cartridge and then recovers to maintain firm coupling. When detaching, the elastic properties enable easy release without requiring excessive force, thus maintaining both reliability and ease of operation.
Solution Approach 2:
The thin-walled elastic cap can deform during coupling operations to facilitate easy attachment, then maintains coupling strength through elastic recovery. This flexibility allows users to easily attach and detach the cap while ensuring reliable coupling during use, resolving the contradiction between firm coupling and ease of operation.
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
The design enhances protection and ease of use while reducing plastic usage, maintaining coupling strength, and supporting environmental sustainability.
Implementation Method 1
the first extension wall is configured to be coupled to a rear surface of the razor cartridge... an upper opening is provided, this upper opening is configured to facilitate elastic deformation of the first extension wall
Data Source
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AI summary
According to an embodiment of the present disclosure, provided is a razor cartridge protective case comprising a receiving space configured to receive at least a portion of a razor cartridge comprising at least one razor blade extending in a longitudinal direction, the razor cartridge protective case comprising: a front wall disposed at a front of the receiving space and configured to face a front surface of the razor cartridge, where a cutting edge of the at least one razor blade is exposed; a longitudinal side wall disposed on one longitudinal side of the receiving space; and a first extension wall disposed at a rear of the receiving space and extending from the longitudinal side wall, wherein the first extension wall is configured to be coupled to a rear surface of the razor cartridge.