Watertight mechanism for floodlight

A watertight light fitting comprising:

• a light shade including an exterior surface that is even and smooth and an annular waterproof lining within the light shade, wherein an exterior edge side of the waterproof lining matches with an interior side of the light shade;
• and
• a light frame including a barrier wall that stretches out and around a surface of the waterproof lining away from the light frame, the barrier wall being located a fixed distance from the exterior edge side of the waterproof lining, wherein the barrier wall, an upper surface of the waterproof lining, and the shade wall form a watertight groove to retain a watertight gasket,
• wherein there is a protruding flange on the surface of the light frame at the joint with the waterproof lining such that the protruding flange is adapted to stretch into the watertight groove and press against the watertight gasket.

A watertight light fitting comprising:

• a light shade including an exterior surface;
• an annular waterproof lining within the light shade, wherein an exterior edge side of the waterproof lining matches with an interior side of the light shade;
• and
• a light frame including a barrier wall that stretches out and around a surface of the waterproof lining away from the light frame, the barrier wall being located a fixed distance from the exterior edge side of the waterproof lining, wherein the barrier wall, an upper surface of the waterproof lining, and the shade wall form a watertight groove to retain a watertight gasket,
• wherein three or more underpinnings stretch out from around the interior side of the shade wall and the waterproof lining is fixed with screws upon the underpinnings inside the light shade.