Assembled Full-Face Mask with Rotatable Outer Lens and Shell
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Solution Overview
Problem
Conventional full-face masks are inconvenient as they need to be completely removed for tasks like talking on the phone, lacking independent adjustability of components.
Innovation Solution
An assembled full-face mask design featuring a goggle with a rotatable outer lens and mask shell, allowing independent rotation along parallel axes, enabling convenient use without full removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the full-face mask is integrally formed as a single one-piece structure, then the structural integrity is improved, but the ease of operation deteriorates because the mask must be completely removed for tasks like talking on the phone
Solution Approach 1:
The full-face mask is divided into multiple independently rotatable components: the goggle assembly (with lens and frame), the outer lens assembly, and the mask shell. Each component can rotate independently relative to the others, allowing the user to adjust or remove specific parts (like the outer lens) without removing the entire mask, thereby improving ease of operation while maintaining structural integrity through defined connection mechanisms
2Ease of manufacture
If the full-face mask is integrally formed as a single one-piece structure, then the manufacturing simplicity is improved, but the adaptability deteriorates because the mask cannot be adjusted for different usage scenarios
Solution Approach 1:
The mask incorporates dynamic elements with defined rotational relationships between components. The outer lens assembly can rotate relative to the goggle along a first axis, while the mask shell rotates along a second axis parallel to and spaced apart from the first axis. This dynamic configuration allows the mask to adapt to different usage scenarios (talking, viewing, protection) while maintaining relatively simple manufacturing processes for each individual component
3Ease of operation
If the mask components are made independently rotatable, then the ease of operation is improved, but the device complexity increases due to multiple rotation axes and connection mechanisms
Solution Approach 1:
The mask is segmented into distinct functional assemblies (goggle, outer lens, mask shell) that can be manufactured separately and then connected through standardized rotational interfaces. This segmentation allows each component to be optimized independently while the overall system maintains manageable complexity through modular construction and defined rotational relationships between components
Data Source
AI summary
An assembled full-face mask includes a goggle, an outer lens, and a mask shell. The outer lens includes a sheet and a pivotal frame that is connected to the sheet. The pivotal frame is assembled to the goggle, and the outer lens is rotatable relative to the goggle along a first axis. The mask shell includes two connection rods assembled to the goggle and a shell body that is connected to the two connection rods. The mask shell is rotatable relative to the goggle along a second axis that is parallel to and spaced apart from the first axis. When one of the outer lens and the mask shell is rotated relative to the goggle by a first angle, another one of the outer lens and the mask shell is rotatable relative to the goggle by a second angle that is less than the first angle.