Multi-tank water purifier

The invention relates to a multi-tank water purifier, which comprises a plurality of filter cores that are arranged in parallel, wherein each filter core comprises a water inlet pipe, an adjusting device is sheathed on the upper part of the water inlet pipe, a pressure-stabilizing valve core is sheathed on the bottom end of the water inlet pipe, a water outlet hole communicated with the water inlet pipe is formed in the pressure-stabilizing valve core, an elastic piece is arranged between the adjusting device and the pressure-stabilizing valve core, a housing is sheathed outside the adjusting device and the pressure-stabilizing valve core, a water outlet end is arranged on the bottom end of the shell, a filtering inner core is arranged in the shell and below the pressure-stabilizing valve core, a water collection cavity is formed between the filtering inner core and the pressure-stabilizing valve core, an adjusting valve which does synchronous rotation together with the pressure-stabilizing valve core is arra