Low noise air purifier

The utility model provides a low noise air purifier, include the casing casing one end is opened has the air intake, and the casing other end is opened there is the air outlet, is air inlet chamber, motor, fan, filter screen and air -out chamber, characterized by in the casing cavity between air intake to the air outlet in proper order: the double -phase of air inlet chamber and air -out chamber all is fixed with U -shaped amortization chamber to the inner wall, the blind end in U -shaped amortization chamber and the inner wall fixed connection of place cavity, through the inner wall fixedly connected with multiunit U -shaped amortization chamber in air purifier air inlet chamber and air -out chamber, sound is through carrying out offsetting of a sound in multiunit U -shaped amortization chamber, then will spread and carry out the process that a circulation reduces to the sound of both sides, through such setting, can be fine play the effect of offsetting with sound, thereby better satisfy the noise that air