Detachable Multi-Saw Assembly for Versatile Cutting Tasks
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Solution Overview
Problem
Existing hacksaws are simplex in structure and function, failing to meet the demands of complex applications, as they are limited in versatility and cannot adapt to different cutting tasks effectively.
Innovation Solution
A multi-functional saw is designed with a hacksaw assembly and a handsaw assembly that can be connected or used independently, allowing the user to choose the appropriate mode based on the object to be cut, featuring a saw bow that accommodates the handsaw blade and detachable connections for versatile usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a hacksaw is designed with a simple structure including only a hacksaw frame and a toothed steel blade, then the structure is simple and easy to manufacture, but the functionality is limited and cannot meet complex application demands
Solution Approach 1:
The hacksaw frame is designed to perform multiple functions: it serves as both the structural support for the hacksaw blade and as the handsaw frame that can accommodate a handsaw blade. The frame includes a handsaw blade receiving space and a connecting structure that enables it to function as either a hacksaw or a handsaw, achieving multi-functionality without requiring completely separate tools.
Solution Approach 2:
The handsaw blade is designed as a detachable component that can be connected to or separated from the hacksaw frame. The frame includes a connecting structure with connecting holes and fastening holes that allow the handsaw blade to be attached or removed independently, enabling the user to switch between hacksaw and handsaw modes based on application needs.
2Adaptability or versatility
If the handsaw blade is detachably connected to the hacksaw frame, then the versatility is improved by allowing separate usage, but the device complexity increases due to additional connecting structures
Solution Approach 1:
The connecting structure for the handsaw blade is merged with the hacksaw frame itself. The frame includes handsaw blade receiving spaces and connecting structures that are integrated into its design, rather than being separate additions. This allows the frame to serve dual purposes as both hacksaw support and handsaw mounting structure.
Solution Approach 2:
The connecting structure is designed to be universal, serving both as the mounting mechanism for the handsaw blade and as part of the overall hacksaw assembly. The fastening holes and connecting holes are positioned and dimensioned to accommodate both the handsaw blade attachment and the structural requirements of the hacksaw frame.
Data Source
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AI summary
A multi-functional saw includes a hacksaw assembly (10) and a handsaw assembly (20). The hacksaw assembly (10) includes a hacksaw handle (12), a hacksaw blade (14) and a saw bow (16). The handsaw assembly (20) includes a handsaw handle (22) and a handsaw blade (24). A connecting portion (26) is provided at a top of the handsaw handle (22), and the handsaw blade (24) is connected to the connecting portion (26) by a connecting unit (30). One end of the saw bow (16) is connected to a top of the hacksaw handle (12), and another end of the saw bow (16) is detachably connected to the connecting portion (26) of the handsaw handle (22) by the connecting unit (30). The handsaw blade (24) is accommodated in the saw bow (16) when the saw bow connected to the connecting portion (26). One end of the hacksaw blade (14) is connected to a bottom of the hacksaw handle (12), and another end of the hacksaw blade (14) is detachably connected to a bottom of the handsaw handle (22).