Protection device of overwater electronic product

The utility model relates to the technical field of electronic product protection devices. The utility model further discloses a protection device of the overwater electronic product. The problem thatthe position of mobile phones with different sizes cannot be limited by a protection device of a water electronic product on the market at present is solved; the mobile phone is inclined in the device; due to the fact that the sealing effect is poor, operation is inconvenient. Mobile phone used in water, easily-generated water seepage, the device comprises an assembling block, a bearing is fixedto the side face of an inner cavity of the assembling block, a threaded rod is installed on the side face of the bearing, a moving block is installed at one end of the threaded rod, a limiting block is fixed to the bottom of the moving block, a storage bag is fixed to the bottom of the assembling block, and a sliding rod is installed at one end of the bottom of the limiting block; the mobile phonecover has the advantages o