Welding Mask Grinding Mode Selector Switch with Nested Button
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Solution Overview
Problem
Conventional welding masks require users to remove them to switch between welding and grinding modes, and their switches are prone to unintentional malfunctions due to external object interference, especially in narrow spaces, and are difficult to operate while wearing gloves.
Innovation Solution
A grinding mode selector switch with a button protective cap that does not protrude, featuring a frame surface height equal to or greater than the button, and incorporating protrusions for easy recognition, prevents external object interference and allows mode switching without removing the mask, ensuring safe and intentional operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the switch is installed on the outer surface of the welding mask to enable mode switching without removing the mask, then ease of operation is improved, but reliability deteriorates due to accidental pressing by external objects
Solution Approach 1:
The button is nested within the button protective cap, which is integrated into the welding mask structure. The button protrudes from the front surface but is enclosed by the protective cap that extends from the rear surface, creating a nested configuration that allows accessible operation while preventing external object interference.
Solution Approach 2:
The button protective cap acts as an intermediary structure between the button and external objects. It provides a protective barrier that prevents accidental pressing by external objects while still allowing intentional pressing by the user through its front surface opening.
2Ease of operation
If the button protrudes from the welding mask for easy access, then ease of operation is improved, but reliability worsens due to vulnerability to external object interference
Solution Approach 1:
The button is nested within the button protective cap structure, allowing it to protrude for accessibility while being protected by the cap that extends beyond the button's protrusion height.
Solution Approach 2:
The button protective cap provides a protective shell structure that encloses the button, allowing the button to be accessible while shielded from external objects by the cap's protective barrier.
3Reliability
If the button is fully enclosed to prevent accidental pressing, then reliability is improved, but ease of operation deteriorates due to reduced accessibility
Solution Approach 1:
The button is nested within the protective cap but remains accessible through the front surface opening, achieving both protection and accessibility through this nested configuration.
Solution Approach 2:
The button protective cap has different properties in different locations: it is open at the front surface for accessibility and enclosed at the rear surface for protection, applying local quality differentiation to resolve the contradiction.
Data Source
AI summary
A grinding mode selector switch for welding masks which controls an anti-glare device blocking hazardous light during a welding operation or an operation using a cutting torch and protecting eyes of a worker during a grinding operation without taking off a welding mask during the welding operation and the grinding operation is disclosed. The grinding mode selector switch for welding masks is installed on the outer surface of the welding mask and is not touched by an external object, and the protruding height of a button protective cap is equal to or greater than the height of a button so as to prevent the button from being touched by an external object when the worker performs an operation.