Abstract: An inflator with an air guiding sleeve includes a chassis, a core and a drive motor installed in the chassis, an air guiding sleeve and a cooling fan. The air guiding sleeve has an air guiding hole penetrating through the air guiding sleeve. The drive motor includes a main body and a shaft rotatably installed to the main body, and the shaft has an end protruded from the main body and provided for driving the core to move and the other end protruded from the main body and provided for connecting the cooling fan. The air guiding sleeve includes a positioning shell and an air guiding ring connected to the positioning shell, and the positioning shell is installed to the chassis and/or the drive motor, and the air guiding ring is sheathed onto the external side of the cooling fan and installed around the cooling fan.

Abstract: The present application relates to a portable air compressor with a detachable multi-functional start power supply. The air compressor comprises an air compressor body (10), an air pump and a motor both provided inside the air compressor body (10) and electrically connected to each other, and a power supply circuit. The power supply circuit comprises a circuit for the air compressor body, a consumption circuit for the portable power supply and a charging circuit for the portable power supply. The air compressor body (10) also comprises a detachable multi-functional portable power supply (20) which can supply power to the air compressor when there are other power supply devices provided outdoor.