Power Tool Setting Module Layout for Collision Protection
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Solution Overview
Problem
Conventional power tools are susceptible to damage of their setting modules due to collisions with other objects when casually placed, as the modules are often protruding and exposed, leading to functional failure.
Innovation Solution
The setting module is positioned on a mounting wall of the power tool that is less likely to be subjected to collisions, protected by the handle and end wall, with the panel exposed for easy access and operation, reducing the likelihood of damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the setting module is disposed at a protruding position for easy access, then the ease of operation is improved, but the reliability deteriorates due to increased collision risk
Solution Approach 1:
The setting module is disposed on a specific local position (mounting wall) that has different collision characteristics compared to other parts of the power tool. This mounting wall is designed to be less protruding and more protected by the handle and end wall structure, creating a localized safe zone that maintains accessibility while reducing collision risk.
Solution Approach 2:
The setting module is positioned on a mounting wall that extends in a direction perpendicular to the main collision axis. By changing the dimensional orientation from a protruding front surface to a side-mounted surface, the module remains accessible to users while being shielded by the handle and end wall from collisions occurring along the tool's longitudinal axis.
2Ease of operation
If the setting module is disposed at a protruding position, then the ease of operation is improved, but the object-affected harmful factors worsen due to collisions with foreign objects
Solution Approach 1:
The handle and end wall serve as intermediary protective structures that physically intervene between potential colliding objects and the setting module. These components are positioned to absorb or deflect collisions before they can reach the delicate setting module, thereby reducing the harmful effects of external objects.
Solution Approach 2:
The mounting wall is designed with a recessed position that is predetermined to be protected by the handle and end wall structure. This pre-planned protective arrangement ensures that before any collision can occur, the setting module is already shielded by the surrounding structural elements, reducing the impact of harmful factors.
3Reliability
If the setting module is positioned on a protected surface, then the reliability is improved, but the ease of operation deteriorates due to reduced accessibility
Solution Approach 1:
The mounting wall provides a localized accessible surface that is protected by the handle and end wall structure. This specific local position allows users to access the setting module through the opening in the mounting wall while the rest of the module remains shielded, creating a balanced solution that satisfies both reliability and operability requirements.
Data Source
AI summary
A power tool includes a body with a main casing and a handle connected to the main casing. The main casing has a head and a tail arranged along a second direction in sequence and located along an axis. A side of the tail facing the second direction has an end wall and a mounting wall closer to a handle than the end wall. A straight line that passes through the most protruding part of the handle and a surface of the end wall and intersects the axis is defined as a collision boundary line. The mounting wall is located on a side of the collision boundary line facing a first direction. The first direction is opposite to the second direction. A setting module is disposed in the tail. A panel of the setting module is exposed outward on the mounting wall.