1results about How to "Protective equipment" patented technology

The utility model relates to a louver technical field especially relates to a kind of high -efficient waterproof ventilation louver for sailing ship. It includes louver main part, the louver main part top is provided with inverted L shape ventilation passage, the louver main part back is provided with mounting shell, waterproof assembly is provided in the mounting shell. The utility model is through the positive rotation of motor by controller start, motor drives shaft and sprocket chain transmission, realizes a shaft winding waterproof membrane roll, another shaft winding connection line, quickly unfolds waterproof membrane, easy to operate and efficient, can be in time to louver waterproof protection, avoid rainwater into the ship interior, protect the equipment, goods and ship structure in ship, reduce the corrosion, short circuit and so on fault risk caused by rainwater erosion.