Protective Goggles Integrally Formed Lens Frame Assembly
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Solution Overview
Problem
Conventional sport goggles with integrally formed lenses and frames often require complex assembly processes, making them difficult to manufacture and assemble efficiently.
Innovation Solution
A design featuring an integrally formed lens with a soft material frame, a strap with buckles, and specific structural elements such as protrusions, holes, and tenons that allow for easy assembly by engaging the lens and frame through corresponding openings and holes, and securing the strap with buckles through the lens and frame holes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional sport goggles with integrally formed lenses and frames are used, then protective function is achieved, but assembly process becomes complex and manufacturing efficiency decreases
Solution Approach 1:
The goggle assembly is divided into separate components: lens, frame, and strap. The lens and frame are further segmented with specific engagement features (openings, protrusions, tenons) that allow for simple, quick assembly while maintaining protective functionality. This segmentation enables independent manufacturing of components and rapid final assembly.
Solution Approach 2:
The design employs nested engagement features where the lens fits within the frame structure through openings and protrusions, and the strap with buckles passes through holes in both lens and frame. This nested arrangement creates a compact, integrated appearance while maintaining simple assembly steps.
2Stability of the object's composition
If complex assembly processes are used for integrally formed lenses and frames, then structural stability is improved, but assembly difficulty increases
Solution Approach 1:
The engagement features are segmented into discrete elements: openings in the lens, protrusions on the lens, tenons on the frame, and corresponding holes. These segmented features align and engage in a simple sequence that ensures structural stability without requiring complex assembly procedures.
Solution Approach 2:
The engagement features are designed to self-align and self-lock during assembly. The protrusions fit into holes, tenons engage with corresponding features, and the strap buckles secure through the holes automatically, eliminating the need for complex fastening operations or specialized assembly tools.
3Productivity
If simple assembly features are used, then manufacturing efficiency is improved, but assembly stability decreases
Solution Approach 1:
The engagement features utilize asymmetric geometry: the protrusions have specific shapes that match corresponding holes, tenons are positioned at specific locations on the frame, and the strap buckles have oriented engagement sections. This asymmetric design ensures that components can only be assembled in the correct orientation, guaranteeing assembly stability while keeping the features simple to manufacture.
Solution Approach 2:
The lens openings, frame holes, and strap buckle engagement sections are pre-positioned during component manufacturing. This preliminary action ensures that during final assembly, the components simply need to be aligned and connected, maintaining both manufacturing efficiency and assembly stability without requiring complex adjustment procedures.
4Reliability
If multiple engagement features are added to ensure stable assembly, then assembly reliability is improved, but device complexity increases
Solution Approach 1:
The multiple engagement features are segmented into distinct functional groups: lens-to-frame engagement (openings and protrusions), frame structural support (ribs), and strap attachment (holes and buckles). This segmentation allows each feature to perform its specific function without interfering with others, maintaining assembly reliability while avoiding unnecessary complexity.
Solution Approach 2:
The engagement features serve multiple functions simultaneously: the lens openings and protrusions provide both structural engagement and positioning; the frame holes serve both as structural elements and as pass-throughs for the strap buckles; the buckles provide both attachment and adjustment functions. This multi-functionality reduces the need for separate dedicated features, maintaining reliability without increasing overall device complexity.
Data Source
AI summary
Protective goggles have an integrally formed lens, a frame and a strap. The lens has an opening formed on an upper side for engaging with an engaging portion on an upper side of a frame with a soft protective pad and has a protrusion extending upwardly from a middle section of a lower side to be inserted into a hole adjacent to a concave section formed on a lower side of the frame. More than one rib is provided on an upper side of the frame for fitting with the lens and for stably propping the lens. A through hole is provided on each end of the frame and has raised portions projected therearound for passing through a through hole of the lens. A tenon is formed adjacent each through hole of the fence for passing through an aperture of the lens. The lens and the frame are coupled by buckles combined with both ends of the strap.