Patent ID: 7661934

Claim:
A universal air pumps, comprising: a head having a central hole and an air inlet at a side wall of the head, which communicates with the central hole; a pump mounted to the side wall of the head, wherein a one-way valve facing to the air inlet of the head is disposed between the pump and the head; a cylindrical block having a central chamber extended axially from a first end to a second end thereof, wherein the cylindrical block has an annular channel and seal rings disposed at both sides of the annular channel on an outer surface thereof, at least one air hole is defined through an underside of the annular channel, which communicates with the central chamber, the cylindrical block is pivotably fitted in the central hole of the head and the annular channel faces to the air inlet of the head; a fixing seat having a stub tube, which is protruded from an outer surface of the fixing seat and engaged with the central chamber of the cylindrical block and has an axially-extended through hole communicating with the central chamber; the fixing seat having a side hole provided at a side wall thereof, which communicates with the axially-extended through hole; and an air delivery tube, a first end of which is provided with a joint mounted to the side hole of the fixing seat, and a second end of which is provided with an inflating nozzle, wherein the head and the fixing seat can freely rotate relative to each other, and wherein the air delivery tube is directly mounted to the fixing seat.