Air outlet air duct structure of a rear air inlet handheld high-speed hair dryer

Abstract

The utility model discloses a handheld type high -speed hair dryer's air outlet air duct structure of rear air intake, it includes: air duct body, heat -insulating sleeve ring is located the inside of air duct body and is located between the air inlet end of air duct body and the air outlet end of air duct body, electric heating body is fixed in the inside of heat -insulating sleeve ring, electric heating block seat is fixed in the air outlet end of air duct body and is located the inside of air duct body, the gradual change air duct is set up in the inside of electric heating block seat, and the air outlet end of heat -insulating sleeve ring is installed in the inside of the port of the air inlet end of gradual change air duct, and the inside diameter of the port of one end of gradual change air duct is adapted to the inside diameter of heat -insulating sleeve ring, and the air duct inside diameter of gradual change air duct gradually reduces from the air inlet end of gradual change air duct to the air outlet end of gradual change air duct. The utility model has the beneficial effects that: improve the wind speed of air outlet end, can prevent air leakage, ensure that the wind force is concentrated, reduce the wind noise of air outlet end, and the air nozzle is convenient to install, and the fixed effect is good.

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