Quick-Release Tail Cap Switch for Secure Waterproof Battery Access
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Solution Overview
Problem
Conventional tail cap switch structures in tactical light sights face issues with cumbersome battery replacement, insecure fixation, and poor waterproof performance, which are critical in emergency and harsh environments.
Innovation Solution
A quick-release tail cap switch structure featuring a tail cap switch assembly, hanging hook, locking clasp assembly, and connecting shaft, with components like side buttons, compression springs, sealing rubber gasket, and electrode switch assembly, ensuring easy battery replacement, firm fixation, and effective waterproofing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional tail cap switch structure is used, then the tactical light sight can be assembled, but battery replacement becomes cumbersome and time-consuming
Solution Approach 1:
The tail cap is divided into separable components: the cap body and the switch assembly. The switch assembly can be independently removed from the tail cap through the release mechanism, allowing battery replacement without removing the entire tail cap. This segmentation enables quick access to batteries while maintaining the structural integrity of the overall assembly.
Solution Approach 2:
The release mechanism incorporates a dynamic locking system with spring-loaded arms and notches that can quickly transition between locked and unlocked states. When the release button is pressed, the spring forces the locking arms to disengage from the notches, enabling rapid removal and reattachment of the switch assembly without tools.
2Reliability
If conventional tail cap switch structure is used, then the switch can be fixed, but fixation becomes insecure under vibration and impact
Solution Approach 1:
The switching mechanism is extracted as a separate removable assembly from the tail cap body. This independent assembly can be securely locked when attached and easily removed when needed. The separation allows the switch assembly to be firmly fixed during operation while enabling quick removal for battery replacement, solving both the security and convenience requirements.
Solution Approach 2:
The release mechanism incorporates spring-loaded cushioning elements that absorb shock and vibration during operation. The springs maintain constant pressure on the locking arms, ensuring they remain engaged with the notches even under external forces, thereby preventing accidental detachment while allowing intentional release.
3Reliability
If conventional tail cap switch structure is used, then the switch can be assembled, but waterproof performance becomes poor and water ingress damages internal circuits
Solution Approach 1:
A flexible waterproof seal ring is incorporated at the interface between the tail cap and switch assembly. This elastomeric seal deforms to fill gaps and crevices, creating a waterproof barrier that prevents water ingress while allowing for manufacturing tolerances and assembly variations. The flexible membrane maintains sealing effectiveness under vibration and pressure differential.
Solution Approach 2:
The switch assembly is nested within the tail cap structure with concentric sealing interfaces. Multiple sealing surfaces are arranged in nested fashion, creating redundant waterproof barriers. The hierarchical nesting ensures that water must penetrate through multiple sealed interfaces to reach internal circuits, significantly enhancing waterproof reliability.
4Ease of operation
If tool-based dismounting and mounting is used, then the connection can be secure, but operation becomes time-consuming and complex
Solution Approach 1:
The release mechanism is designed as a self-operating system where the user's finger pressure on the release button directly actuates the spring-loaded locking arms. The mechanism uses the user's own force, amplified by the spring, to disengage the notches without requiring external tools. This self-service approach simplifies operation while maintaining secure connection during normal use.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick battery replacement without tools, secure fixation against vibration and impact, and robust waterproofing, enhancing tactical light sight reliability and longevity in challenging conditions.
Implementation Method 1
The compression springs are disposed inside the side buttons and are configured to provide an elastic force to restore the side buttons after the side buttons are pressed
Implementation Method 2
a sealing rubber gasket, and an electrode switch assembly... The sealing rubber gasket is configured to prevent water ingress in complex environments
Implementation Method 3
The electrode springs are disposed between the electrode PCB and the electrode caps, and provide an elastic contact force to ensure good electrical connection between electrodes and a battery
Data Source
AI summary
The present utility model relates to the field of tactical light sights and discloses a quick-release tail cap switch structure, including a tail cap switch main body, a hanging hook, a locking clasp assembly, and a connecting shaft. The tail cap switch main body is fixed to a tactical light sight by the rotatable connecting shaft. During snapping, the hanging hook engages with the locking clasp assembly to achieve stable fixation. When a battery needs to be replaced, the locking clasp assembly can be pushed and unlocked to quickly open a tail cap switch. The present utility model has significant advantages in structure, is compact and firm as a whole, and can withstand external force impact and vibration. The waterproof performance is excellent. Special sealing treatment can effectively prevent water intrusion. The design takes into account various tactical environments and usage habits.