Outlet mechanism with additional function

An outlet mechanism with additional function, comprising:

• a fixation base assembled to a shower arm with an inlet, an outlet and a waterway connecting the inlet and the outlet, the inlet being connected to the shower arm;
• a hand shower connected to the outlet of the fixation base by a flexible pipe and detachably fixedly connected to the fixation base;
• and
• an additional module detachably attached to the fixation base;
• wherein:
• the hand shower has an assembly hole, and further includes a movable lock catch, an elastic element and an operation element, the movable lock catch being movably attached to the hand shower and configured to move between a lock position and an unlock position inside the assembly hole, the elastic element being connected to the movable lock catch and the hand shower and configured to keep the movable lock catch in the lock position, the operation element being drivingly connected to the movable lock catch and movably attached to the hand shower;
• an external periphery of the fixation base has a positioning groove, the assembly hole of the hand shower forms a sleeve on an outside of the fixation base, and the movable lock catch is configured to, when in the lock position, insert into the positioning groove;
• the fixation base comprises an upper housing and a lower housing, the lower housing being fixed to the upper housing and comprising a baffle and a lower periphery wall extending downwardly from a periphery of the baffle, an assembly groove being formed in an inner side of the lower periphery wall;
• and
• an inner cover is disposed at an outer side of the additional module, the inner cover being detachably assembled inside the assembly groove of the lower housing.