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Thread: Quarter turn connection for plastic tubes — Design idea request

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    Default Quarter turn connection for plastic tubes — Design idea request

    I'm developing a 3d project using AutoCAD 2013 and I would like to request ideas for a specific problem. It is not for a commercial project.
    It is about how to connect two hollow plastic pipes using a "quarter turn" design.
    The only thing that'll run inside them is non-pressurized water.
    Is there a way to implement a locking mechanism inside the thickness of the pipes?
    All measurements are available next to the picture, in millimeters.
    The goal would be to:

    -- Connect them without using any tools
    -- Be easy to connect and disconnect
    -- Have no water leakage outside of the pipes
    -- Have a clean design (nothing hanging from the inside or from the outside)
    -- Have the locking mechanism implemented inside the thickness of the pipes, at their extremities, 10mm max width, no plastic doohickey on the outside to lock or unlock

    I keep trying to find a way to implement the following design but i'm just not visualizing in my mind how the mechanism would work.

    -- Picture:

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