Garden Machine Cable Routing Inside Hollow Handle
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Solution Overview
Problem
Cutting machines for gardening and land maintenance often have exposed cables that can be damaged in hostile environments such as reeds or areas with branches, leading to cuts or cable failure, which complicates operation and reduces maintenance efficiency.
Innovation Solution
A cutting machine design where cables are routed entirely inside a hollow handle and main body, with a control unit and electronic board positioned to minimize exposure and enhance protection, allowing for safer operation in challenging environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If cables are exposed outside the machine for control operations, then the machine can be operated with simple cable routing, but the cables can be damaged by branches, shrubs, or weeds in hostile environments
Solution Approach 1:
The cables are nested inside the hollow handle structure, which provides physical protection while maintaining control functionality. The handle acts as a protective container for the cables, preventing damage from external objects like branches and shrubs.
Solution Approach 2:
The hollow handle structure serves as a flexible protective shell that encloses and protects the cables running through it, allowing the cables to be shielded from mechanical damage while still enabling control signal transmission.
2Reliability
If cables are routed inside the hollow handle, then cable protection is improved, but the handle structure becomes more complex
Solution Approach 1:
The hollow handle structure serves multiple functions simultaneously: it provides structural support for the machine, acts as a protective enclosure for the cables, and enables ergonomic gripping. This multi-functionality reduces the need for separate protective cable conduits.
Solution Approach 2:
The cables are nested within the existing hollow handle structure rather than requiring an additional outer protective layer, thus providing cable protection without significantly increasing overall structural complexity.
3Device complexity
If the electronic board is located in the main body connected by external cables, then the connection is simple, but the cables are vulnerable to damage in hostile environments
Solution Approach 1:
The cables connecting the electronic board to the control portion are nested inside the hollow handle structure, protecting them from external damage while maintaining the electrical connection functionality.
Solution Approach 2:
The hollow handle acts as a protective shell enclosing the cables that connect the electronic board to the control portion, shielding them from mechanical damage by branches, shrubs, and weeds.
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
The present invention relates to a machine for the maintenance of a land or garden, which comprises a main body (2), a work head (3) carried by the main body (2) and configured to operate on the land to be maintained, a battery (33) carried by the main body (2) on the side opposite the work head (3), a control unit (10) connected to the work head (3) and to the battery (33). Wherein the control unit (10) comprises an electronic board (14) carried by an intermediate section (2c) of the main body (2) between the work head (3) and the battery (33).