Inflation pump is also called inflator, air pump, and inflator. It works by the operation of the motor and is an inflation tool. The working principle of the air pump: when the motor is running, the valve of the connector is flushed by the atmospheric pressure, and the gas enters the air cylinder. When pumping into the tire, the valve is closed by the air pressure in the air cylinder, and the gas enters the tire . Inflation pumps can also be considered to use the principle of atmospheric pressure to inflate. Application fields of air pumps: automobiles, motorcycles, bicycles, rubber balls, rubber boats, etc.