Cutting Tool Control Device for Single-Handed Mode Switching
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Solution Overview
Problem
Existing cutting tools require users to operate multiple parts simultaneously for mode control and locking, leading to user inconvenience and increased assembly and component costs.
Innovation Solution
A control device with a pivotally connected first and second component, featuring a metal support body with a hook part and groove, allows for single-handed mode switching and locking by leveraging a pivotally mounted control device with holding parts and a platform, enabling one-time or multi-stage cutting modes based on bulge positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate switch element and safety fastener are used for mode control and locking, then cutting mode control and blade locking functions are achieved, but user operation becomes inconvenient and component cost increases
Solution Approach 1:
The patent combines the switch element and safety fastener into a single integrated control element. This control element performs both functions: when moved to the first position it enables multi-stage cutting mode, and when moved to the second position it locks the blade in the closed position. This merging eliminates the need for separate components, simplifying the device structure and improving ease of operation.
Solution Approach 2:
The control element is designed as a multi-functional component that can perform both mode switching and blade locking operations. By making this single element universal, the patent reduces the total number of parts needed while maintaining all required functions, directly addressing the contradiction between operational convenience and device complexity.
2Ease of manufacture
If separate switch element and safety fastener are used for mode control and locking, then cutting mode control and blade locking functions are achieved, but assembly cost and component cost increase
Solution Approach 1:
The patent combines the switch element and safety fastener into a single integrated control element. This control element performs both functions: when moved to the first position it enables multi-stage cutting mode, and when moved to the second position it locks the blade in the closed position. This merging eliminates the need for separate components, simplifying the device structure and improving ease of operation.
Solution Approach 2:
The control element is designed as a multi-functional component that can perform both mode switching and blade locking operations. By making this single element universal, the patent reduces the total number of parts needed while maintaining all required functions, directly addressing the contradiction between operational convenience and device complexity.
Data Source
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AI summary
A control device 5 of a cutting tool for general use or gardening is revealed. The cutting tool, formed by a first component 1 and a second component 2 pivotally connected to each other, can be opened or closed gradually for cutting. The control device is pivotally connected to the second component. The control device can be pushed to act on the second component. The cutting tool performs multi-stage or one-time cutting according to the control device being pushed to the required position. Moreover, the first component and the second component are close to or away from each other under control of the control device.