Power Tool Switch Holder Structure for Linear Slider Mounting
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Solution Overview
Problem
Power tools lack a rationalized structure for holding switching members that turn on and off the motor switch, leading to difficulties in mounting and potential interference with internal mechanisms.
Innovation Solution
A power tool design featuring a housing with a holding member that supports the switching member, allowing it to be linearly movable and reducing the risk of interference with internal mechanisms, while also serving as a guide for wiring and illumination device components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the switching member is held between the first housing part and the second housing part, then the switching member can be securely positioned, but it becomes difficult to mount the switching member to the switch and the housing
Solution Approach 1:
The housing is divided into a first housing part and a second housing part that can be separated. The holding member is attached to the first housing part, allowing the switching member to be mounted from the outside through a through-hole without requiring disassembly of the entire housing assembly.
Solution Approach 2:
A holding member is introduced as an intermediary component attached to the first housing part. This holding member provides a dedicated mounting structure for the switching member, facilitating easier assembly while maintaining secure positioning.
2Ease of operation
If the switching member is held between the first housing part and the second housing part, then the switching member can be securely positioned, but the switching member may interfere with internal mechanisms while moving
Solution Approach 1:
The switching member is extracted from the space between the first and second housing parts and repositioned to be held by the holding member attached to the first housing part. This allows the switching member to move linearly in a dedicated path that does not interfere with internal mechanisms housed in the second housing part.
Solution Approach 2:
The switching member's movement is constrained to a specific linear dimension through the holding member's guide structure, separating its motion path from the internal mechanisms in another spatial dimension, thereby preventing interference.
3Ease of manufacture
If the switching member is held by a structure attached to only one housing part, then the mounting becomes easier, but the switching member may become unstable during operation
Solution Approach 1:
The holding member combines multiple functions: it is attached to the first housing part for easy mounting, provides a linear guide structure for stable movement, and positions the switching member's operation part to extend through the through-hole for proper engagement with the switch.
Data Source
AI summary
A power tool includes a motor, a switch, a housing, a switching member and a holding member. The housing is a hollow body formed by a first housing part and a second housing part connected with the first housing part. The first housing part has a through hole. The switching member is connected to the switch and includes an operation part exposed outside through the through hole so as to be movable in a specified direction in response to a user's manual operation. The switching member is configured to turn the switch on and off by linearly moving in the specified direction. The holding member is supported by at least one of the first housing part and the second housing part within the housing and configured to hold the switching member between the holding member and the first housing part so as to be linearly movable in the specified direction.