Plastic right-angle quick connector for pneumatic brake

The utility model relates to the technical field of commercial vehicles, and discloses a plastic right-angle quick-plug connector for pneumatic braking, which comprises a main body, the main body is L-shaped, the horizontal end of the main body is an inverted tooth end, the vertical end of the inverted tooth end is a quick-plug end, an SV230 NG12 nut seat is plugged below the quick-plug end, and the main body is provided with a nut. A first sealing ring and a second sealing ring are arranged outside the quick insertion end, the inner diameter phi of the quick insertion end is 9.8 mm, the inverted tooth end can be connected with a nylon pipe with the inner diameter phi being 9.0 mm, the inner diameter phi of the inverted tooth end is 9.8 mm, the cross section of the inverted tooth end and the cross section of the quick insertion end are in mutually perpendicular rectangular shapes, and reinforcing ribs are arranged inside the quick insertion end. Compared with other connectors of the same specification, the co