Basin of hydrophone and applied this time hydrophone under spring

The utility model discloses a basin of hydrophone and applied this time hydrophone under spring, including lower water drum, cup joint bouncer in water drum down, surround and cover the body in water drum outlying down, bouncer under the water drum internalization set up, bouncer is equipped with and filters the seat, the filtration seat is opened there was the filtration pore, filter seat center department and install the spring core, spring core top is fixed with and is used for under the shutoff the intake water seal cap of end of water drum, the water drum has a perfect understanding from top to bottom down, the water drum goes out the water end (W. E. ) extension down has lower water cavity, the internal diameter of water cavity is less than the internal diameter of water drum down, cover the inner wall and lower water drum and lower water cavity surface profile phase -match of the body. The utility model discloses the bottom of gullet is equipped with this down hydrophone drainage of being convenient fo