Water purifier

A water purifier comprising:

• a body;
• a water storage tank that is located inside the body, that is configured to store water, and that includes an interior area and a first opening to the interior area;
• a cover unit that is configured to cover the first opening and that includes:
• a frame body (i) that is coupled to portions of the water storage tank that surround the first opening and (ii) that includes a second opening, and a water storage tank cover that is coupled to the frame body and that is configured to rotate about an axis such that the water storage tank cover opens or closes the second opening;
• a sterilizer that is located on a surface of the water storage tank cover and that is configured to sterilize water in the water storage tank;
• a switching module that is coupled to the frame body and that is configured to control electric power supply to the sterilizer;
• and an operation member that is located on the surface of the water storage tank cover and that is configured to control the switching module based on the water storage tank cover being opened or closed, wherein the operation member includes a magnet that is configured to generate a magnetic field, wherein the switching module includes a reed switch that is configured to, in response to a magnetic field generated by the magnet, control electric power supply to the sterilizer, wherein the magnet is received in a magnet receiving part that is recessed in an upper surface of the water storage tank cover, and wherein, based on the water storage tank cover being closed, the magnet is arranged to face the switching module;
• wherein the frame body includes:
• a recess on a first surface of the frame body, the recess accommodating the switching module, wherein the switching module further includes:
• a switch cover that covers the reed switch and that is accommodated in the recess of the frame body, and wherein the switch cover includes:
• a plate that covers the reed switch, and hooks that extend from the plate and that are configured to catch the reed switch.