Toilet tank valve structure

A toilet tank valve structure, comprising a knob unit, a rotatable shaft unit, a pole unit, a whole discharge pull wire, a partial discharge pull wire, a whole discharge assembly, a partial discharge assembly, and a water seal;

• the knob unit comprising a partial discharge knob and a whole discharge knob;
• the rotatable shaft unit comprising a shaft core and a shaft sleeve;
• the pole unit comprising a partial discharge pole and a whole discharge pole;
• the whole discharge knob being secured to an outer end of the shaft sleeve, an inner end of the shaft sleeve being secured to a first end of the whole discharge pole, a second end of the whole discharge pole being connected to the whole discharge pull wire to link the whole discharge assembly and the water seal;
• the partial discharge knob being secured to an outer end of the shaft core, the shaft core being inserted into the shaft sleeve, an inner end of the shaft core being secured to a first end of the partial discharge pole, a second end of the partial discharge pole being connected to the partial discharge pull wire to link the partial discharge assembly and the water seal, wherein the partial discharge assembly comprises a body, an inner tube, a swing hook, a floating rod, and a partial discharge float, the partial discharge float being disposed on the floating rod, the floating rod being inserted in the body in an up and down movable way, a first end of the swing hook being pivotally connected to the floating rod, a second end of the swing hook being pivotally connected to an inner wall of the body, the swing hook and the inner tube being provided with corresponding limiting steps;
• a limiting device being provided between the partial discharge pull wire and the partial discharge assembly, the limiting device comprising a brake rod and a limiting hook, one side of the brake rod being pivotally connected on the inner tube, another side of the brake rod being connected to the partial discharge pull wire and the limiting hook, an upper end of the limiting hook being pivotally connected to the inner tube, a lower end of the limiting hook being formed with a hooking part, the inner wall of the body being provided with a protruding step for engagement of the hooking part.