Tool-Free Disassembly Folding Knife Locking Mechanism
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Solution Overview
Problem
Folding knives with removable blades often require complex mechanisms and tools for disassembly, making it difficult to clean, sharpen, or replace blades, especially in harsh conditions.
Innovation Solution
A folding knife design featuring a handle with complementary locking elements that allow manual disassembly without tools, using a pivot element, locking mechanism, and cap configuration to securely lock and unlock the handle portions, enabling easy assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If a folding knife has a removable blade for cleaning and maintenance, then the blade can be cleaned and sharpened, but the disassembly mechanism becomes complex and requires additional tools
Solution Approach 1:
The locking element is designed to be manually operated by the user without requiring any additional tools. The user can directly manipulate the locking element to disengage it from the pivot element, enabling tool-free disassembly and assembly of the blade.
Solution Approach 2:
The handle is divided into first and second side portions that can be separated from each other. This segmentation allows the blade to be accessed and removed independently, facilitating easy cleaning and maintenance while keeping the overall structure relatively simple.
2Ease of operation
If the locking mechanism is simple for easy disassembly, then the knife can be quickly taken apart, but the reliability of the lock during use may be compromised
Solution Approach 1:
The locking element acts as an intermediary component between the first and second side portions of the handle. It provides a reliable locking mechanism that can be easily manipulated by the user to engage and disengage the handle portions, balancing both reliability and ease of operation.
Solution Approach 2:
The locking element is designed to be movable between locked and unlocked positions. This dynamic design allows the locking mechanism to transition smoothly between states, enabling quick disassembly while maintaining strong engagement during normal use.
Data Source
AI summary
A folding knife can include a handle portion, a pivot element, a blade, a locking element, a cap, and a rotatable wheel. The handle portion can comprise a first side portion and a second side portion. The blade can pivot about the pivot element between an open position and a closed position. The locking element can prevent disassembly of the first and second side portions when the locking element is in a locked position and allow disassembly of the first and second side portions when the locking element is in an unlocked position. The cap can be coupled to the first side portion adjacent the locking element. The pivot element can extend into the cap. The rotatable wheel can be disposed between the first and second side portions and can rotated to selectively retain the first and second side portions together.