HMD Diving Mask Structure Light Blocking
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Solution Overview
Problem
Conventional head-mounted display apparatuses are expensive and difficult to assemble, and they allow light to enter, reducing the quality of the virtual reality experience due to complex assembly structures and gaps.
Innovation Solution
A head-mounted display apparatus with a dual structure comprising a first body shaped like a diving mask, a first external body extending from the rear, and a second external body with a cross-section of inverted '⊏' shape, featuring coupling protrusions and holes for secure folding, and made from a single material like pulp to simplify assembly and block light effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a complex assembly structure with multiple folding parts is used, then the head-mounted display can be formed, but the assembly process becomes complicated and time-consuming
Solution Approach 1:
The patent combines multiple folding parts (first external body and second external body) into a unified integrated structure that folds together as a single unit. The coupling portion integrates the folding mechanism of both external bodies, allowing them to be assembled simultaneously through one folding action rather than separately, thus simplifying the assembly process while maintaining the necessary structural complexity for light blocking.
2Object-affected harmful factors
If multiple folding parts are used to form the head-mounted display, then the device can be constructed, but light can enter through gaps between the parts
Solution Approach 1:
The patent implements a nested structure where the first external body and second external body are coupled together through the coupling portion, with one body nested within or alongside the other. This nesting arrangement ensures that the folding parts fit tightly together without gaps, preventing light from entering while maintaining a relatively simple overall structure compared to having completely separate components.
3Reliability
If conventional assembly methods are used, then the head-mounted display can be assembled, but the coupling between parts is not secure
Solution Approach 1:
The patent divides the coupling interface into discrete coupling protrusions and coupling grooves, creating segmented coupling points between the first and second external bodies. This segmentation allows for precise alignment and secure engagement at specific locations, ensuring reliable coupling while maintaining ease of assembly through clear alignment features that guide the parts together correctly.
Data Source
AI summary
A head-mounted display apparatus includes: a first body including a front face having a vision hole and a rear face formed in the shape of a diving mask to cover up a user's nose and eyes; a first external body extending forward from the rear face of the first body to the front face of the first body and being spaced apart from a side surface of the first body and surrounding the side of the first body; a second body including a front face opened and a rear face having a lens mounting hole to which with a lens fixed; and a second external body extending rearward from the front face of the second body to the rear face of the second body and being spaced apart from a side surface of the second body.