Modular Reflex Sight Hood for Open-to-Closed Switching
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Solution Overview
Problem
Existing reflex sights are difficult to switch between open and closed types, requiring removal and reinstallation, which is inconvenient for shooters who need to adapt to different lighting conditions.
Innovation Solution
The design incorporates modular shrouds and a removable rear window that can be easily installed and secured, allowing shooters to convert an open reflex sight into a closed one, providing mechanical protection and light blocking, with the option of using compact or full-sized shrouds and flexible snap-fit mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional iron sights or fixed reflex sights are used, then the sight structure is simple and reliable, but it is difficult to switch between open and closed configurations, requiring removal and reinstallation
Solution Approach 1:
The reflex sight is divided into separate modular components: an open sight body and a closed sight hood that can be independently attached or removed. This segmentation allows the shooter to switch between open and closed configurations by simply attaching or detaching the hood, without removing the entire sight from the firearm.
Solution Approach 2:
The sight hood serves multiple functions: it provides mechanical protection for the lens, blocks stray light to improve contrast, and enables conversion from open to closed reflex sight configuration. This multi-functionality reduces the need for multiple separate sights while maintaining versatility.
2Adaptability or versatility
If modular shrouds and removable rear windows are added to enable configuration switching, then adaptability improves, but device complexity increases
Solution Approach 1:
The sight system is segmented into the main sight body, removable shroud, and detachable rear window. Each component is designed as an independent module that can be easily attached or removed, enabling flexible configuration changes while keeping individual component complexity low.
Solution Approach 2:
The sight configuration is made dynamic through removable components. The shroud and rear window can be quickly attached or detached based on lighting conditions and operational needs, allowing the sight to adapt its structure rather than being fixed in one configuration.
3Ease of operation
If quick-release mechanisms are implemented for modular components, then ease of operation improves, but manufacturing complexity increases
Solution Approach 1:
The quick-release mechanism is segmented into simple discrete elements: a release button, a latch arm, and corresponding engagement features on the hood. This segmentation allows each element to be manufactured independently using standard machining processes, avoiding the need for complex integrated mechanisms.
Solution Approach 2:
The latch mechanism is designed to be self-actuating through the release button, which pivots the latch arm to disengage from the retention feature. The spring provides automatic return to the locked position, eliminating the need for complex actuation systems while maintaining ease of operation.
Data Source
AI summary
A target sight system includes a base portion with a gun-mounting interface allowing the sight to be firmly fastened to a shooting device. The base also includes a power supply, a target light generator, and a light-passing surface through which the target light passes between the target light generator and a target. The sight system also includes a cover that is detachably removable from the base portion.