Use waterproof earplug under water

The utility model provides an use waterproof earplug under water, including the earplug body, the earplug body is the toper, the bottom is the cambered surface, evenly diminish to the bottom diameterfrom the top, the earplug body is become by elasticity rubber, its inside cavity and wall thickness are unanimous, the inside upper end of earplug body is equipped with the round platform form sliderwith earplug body looks adaptation, earplug body top is fixed with the fixed chamber of cylindricality, both ends opening and inner wall have internal screw thread cavity sleeve pipe about being equipped with in the middle of the fixed chamber of cylindricality, upper end surface of the sliding block center department is fixed with the push rod, the push rod run through cavity sleeve pipe qieyu lateral wall be equipped with with the external screw thread of internal thread looks adaptation, the push rod top is equipped with the turning handle, the utility model discloses use waterproof earplugunder water, simple struct