Improved structure of air purifier

The utility model discloses an improved structure of an air purifier, comprising an upper cover, a negative ion generator, a motor seat, an air blade wheel, a water absorption bar and a glass liner from top to bottom; a motor switch is arranged on the top of the upper cover; a plurality of groups of light-emitting diode (LED) color lamps are arranged at the bottom of the motor seat; an LED lamp switch is arranged on the top of the upper cover; an air inlet and an air outlet are respectively arranged on both side surfaces of the top of the upper cover; a variable speed motor is arranged on the motor seat; and a circular water stopping wall is arranged below the motor seat and surrounds the lower part of the variable speed motor. According to the structure, because the air inlet and the air outlet are arranged on the top of the upper cover, the amount of incoming and outgoing air is larger, an effect is good; due to the setting of the LED lamp switch and the variable speed motor, the control functions of the LED color lamps and the motor can be flexibly selected, so that the use is convenient; and due to the water stopping wall, the short circuit on the motor seat can be prevented, so that the motor is durable.