Water control valve core with a segmented locking function

A water control valve core with a segmented locking function, the valve core comprising:

• a valve casing, being a hollow casing with a hold tank and having a top with a through-hole placed at said top;
• a brake unit, being comprised of a seat and a brake rod, said seat having a tube portion penetrating said through-hole of said valve casing, a bottom plate under said tube portion being placed on an upper part of said hold tank and, a driven portion at a bottom of said brake rod penetrating said bottom plate;
• a water control element, being comprised of a base, a fixed valve, a free valve and a driving seat, said base being assembled onto a bottom of said valve casing, the fixed valve, free valve and driving seat being arranged within said hold tank, a top of the driving seat aligning with said bottom plate of said seat, a driven portion on top of said driving seat being adapted with said driven portion of said brake rod, a top of said driving seat being provided with at least a locating portion;
• an upper locking portion, being assembled under said bottom plate of said seat of said brake unit;
• and
• a collapsible lower locking unit, individually manufactured and then assembled onto said locating portion at a top of said driving seat of said water control element, said lower locking unit being interlocked with said upper locking portion.