Grenade Launcher Rail Mount With Wedge Clamp for Tool-Free Rigidity
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Solution Overview
Problem
Existing grenade launchers face challenges in easy and tool-free mounting and dismounting on host rail interfaces, particularly the MIL-STD-1913 STANAG 4694 type, which affects rigidity and ease of attachment to assault rifles or grenade launcher carriers.
Innovation Solution
The grenade launcher design features a trigger mechanism base with guide rails for sliding mounting, a breech cavity with a detent mechanism and a compression spring, allowing tool-free attachment and detachment by wedging the host rail interface between the breech and trigger mechanism base.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional screw mounting is used on MIL-STD-1913 rail interface, then rigidity of connection is improved, but ease of mounting and dismounting deteriorates (requires tools and time)
Solution Approach 1:
The mounting system is divided into separate functional elements: the host rail interface, the breech with cavity, the trigger mechanism base with guide rails, the detent mechanism, and the compression spring. This segmentation allows each component to perform its specific function while enabling tool-free assembly through the interaction of these modular parts.
Solution Approach 2:
The detent mechanism acts as an intermediary between the breech and trigger mechanism base, mediating the mounting process. The detent engages with the guide rail to create a wedge-like force that secures the host rail interface between the breech and trigger mechanism base, enabling tool-free attachment while maintaining rigidity.
2Strength
If longer mounting interface is used, then rigidity of connection is improved, but device complexity increases
Solution Approach 1:
The mounting mechanism utilizes the longitudinal dimension of the rail interface by clamping it between the breech and trigger mechanism base. The detent mechanism engages with the guide rail in a way that creates a wedge-like force along the length of the interface, achieving rigidity through dimensional engagement rather than increased complexity.
Solution Approach 2:
The compression spring provides self-service by automatically maintaining engagement between the detent and guide rail. The spring's elastic force ensures continuous pressure that secures the mounting interface without requiring additional adjustment mechanisms or complex locking systems.
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
Facilitates easy, tool-free mounting and dismounting of the grenade launcher on host rail interfaces, ensuring secure attachment and maintaining rigidity without the need for tools, thus enhancing usability and versatility.
Implementation Method 1
a pin (6) bears on this guide rail (5) from the inner side, the pin (6) being mounted in a sliding way in a recess transversally in the breech (2) and fitted with a compression spring (7)
Implementation Method 2
the inner wall of the cavity (11) is pressed to this guide rail (5) by a detent (4) that is insertable between this guide rail (5) and the opposed inner wall of the cavity (11) that is inclined in a wedge-like way
Data Source
AI summary
A grenade launcher, comprising a barrel (10), a trigger mechanism base (3) and a breech (2) wherein the trigger mechanism base (3) is adapted to be mounted on a host rail interface (1). On the opposed sides (3) of the trigger mechanism base (3), guide rails (5, 8) are arranged for sliding mounting of the barrel (10). The host rail interface (1) is clamped between the breech (2) and the trigger mechanism base (3). The breech (2) is fitted with a cavity (11) that surrounds one of the guide rails (5). The inner wall of the cavity (11) is pressed to this guide rail (5) by a detent (4) that is insertable between this guide rail (5) and the opposed inner wall of the cavity (11) that is inclined in a wedge-like way. A pin (6) bears on this guide rail (5) from the inner side, the pin being mounted in a sliding way in a recess transversally in the breech (2) and fitted with a compression spring (7).