Quick connector of riser pipe

The utility model relates to a quick connector of a riser pipe, which is characterized by comprising a male connector and a female connector in plugging fit, wherein the periphery of the male connector is provided with an O-shaped sealing ring and a connector clamp ring in turn from top to bottom; the connector clamp spring is ring-shaped, and two end faces form a certain angle with a horizontal plane respectively; the female connector is provided with a sealing surface at a position corresponding to the O-shaped sealing ring of the male connector; the axial inner surface of the female connector is provided with clamp spring groove matched with the shape of the connector clamp spring of the male connector; and the outer side of the clamp spring groove is screwed with an unlocking bolt in the radial direction. The quick connector can quickly and accurately perform the connection work of the riser pipe, has simple operations and saves time. Simultaneously, the quick connector is also designed with an optimal cl