Auxiliary water supply device for ultrasonic endoscope

The utility model discloses an auxiliary water supply device for an ultrasonic endoscope, which relates to the field of ultrasonic endoscope inspection devices and comprises a box body, an air-free water tank is mounted in the box body, a water inlet pipe communicated with the air-free water tank is fixedly connected to one side of the box body, a water inlet valve is mounted in the water inlet pipe, and first vacuum equipment communicated with the air-free water tank is mounted above the air-free water tank. A water suction pump is installed on one side of the air-free water tank, a water suction pipe is communicated between the water suction pump and the air-free water tank, the water suction pump is communicated with a hose, a second vacuum device is installed on the hose, and a spray head is installed at the end, away from the water suction pump, of the hose. A hose storage box is fixedly connected to the side wall of the box body. The hose is located in the hose storage box. Air-free water is controlled