Water-resistant assembly and electronic device

A water-resistant assembly of an electronic device, wherein

• the water-resistant assembly is mounted to a housing of the electronic device, wherein the housing has a housing through hole, and the housing through hole is connected to inside of the housing through a water-resistant and breathable film;
• the water-resistant assembly comprises a tube, a switch, and a switch sealing ring;
• the tube has a tube inner cavity and a tube connection hole connected to the tube inner cavity;
• the switch is capable of being movably mounted into the tube inner cavity, and the switch has a switch connection hole connected to outside of the switch;
• and the switch sealing ring is fastened to a periphery of the switch, is located in the tube inner cavity, and presses against a cavity wall of the tube inner cavity;
• and
• after the water-resistant assembly is mounted to the housing, the tube connection hole is connected to one end that is of the housing through hole and that is far away from the water-resistant and breathable film;
• and the switch is configured to move relative to the tube under an external force, so that the switch connection hole is connected to the tube connection hole, or the switch connection hole is displaced from the tube connection hole and the switch sealing ring is blocked between the switch connection hole and the tube connection hole.