Detachable Focusing Assembly for VR Head-Mounted Displays
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Solution Overview
Problem
Current VR display devices require complex disassembly and assembly processes to remove foreign matters like dust from the focusing assembly, affecting the display effect and user experience.
Innovation Solution
A focusing assembly with a detachable barrel retaining ring and guiding portions that allow for easy disassembly and assembly, along with dust-proof members to prevent contamination, simplifying maintenance and ensuring clear vision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the focusing assembly is designed with a fixed structure to maintain stability and sealing, then the display quality is preserved, but the complexity of disassembly and assembly increases when foreign matters need to be removed
Solution Approach 1:
The focusing assembly is divided into multiple detachable components including the barrel, barrel retaining ring, lens assembly, and display screen assembly. The barrel retaining ring with thread structure allows the barrel to be separated into distinct sections, enabling access to the interior for foreign matter removal while maintaining structural integrity during normal operation
Solution Approach 2:
The lens assembly and display screen assembly are designed to be extractable from the barrel through the detachable connection structure. This allows the interior of the focusing assembly to be accessed and cleaned of foreign matters without requiring complete disassembly of the entire device, thus simplifying maintenance while preserving display quality
2Object-affected harmful factors
If the focusing assembly is sealed to prevent contamination, then foreign matters are kept out, but the complexity of disassembly increases when maintenance is needed
Solution Approach 1:
The barrel retaining ring is pre-equipped with a thread structure that enables detachable connection. This preliminary design feature allows the focusing assembly to be quickly separated for maintenance when foreign matters enter, without requiring complex disassembly procedures, thus balancing contamination prevention with ease of maintenance
Data Source
AI summary
Provided is a focusing assembly including a focusing barrel and a barrel retaining ring; the focusing barrel includes a first sleeve, a second sleeve, and a third sleeve that are sequentially sleeved from inside to outside of the focusing barrel; the first sleeve is provided with a lens mounting portion for mounting a focusing lens, a first end of the second sleeve is provided with a display screen mounting portion for mounting a display screen, a second end of the second sleeve is detachably connected to the barrel retaining ring, the first end and the second end being opposite ends of the second sleeve; and the lens mounting portion and the display screen mounting portion are configured such that the relative position thereof in a focusing direction of the focusing assembly is adjustable.