Sound cotton is inhaled to two ingredients of cylinder forming

The utility model discloses a sound cotton is inhaled to two ingredients of cylinder forming, inhale sound sponge body including the hat rack, the hat rack is inhaled sound sponge body bilateral symmetry and is equipped with a spill ventilation groove, respectively is provided with the ventilation hole on the both sides side in spill ventilation groove, and the ventilation hole on the side corresponds mutually, and what sound sponge body bilateral symmetry was inhaled to the hat rack is equipped with left air exhausting grille and right air exhausting grille respectively, and left air exhausting grille and right air exhausting grille are triangle-shaped. The utility model discloses a hat rack is inhaled sound sponge body bilateral symmetry and is equipped with a spill ventilation groove and controls the air exhausting grille for can noise abatement with absorb the noise, and compared with traditional product air mass flow greatly increased, ensured the air quality in the car, and be favorable to making the inside and outside atmospheric pressure of car to reach the equilibrium, it is too big to reduce the car internal gas pressure, thereby reduces the power of closing of door.