Patent ID: 8408425

Claim:
A hydration device comprising: a bag ( 1 ) having a water outlet frame ( 10 ) connected to an underside thereof and an outlet connector ( 20 ) connected to the water outlet frame ( 10 ), the outlet connector ( 20 ) connected with a first end of a hose ( 2 ) and a second end of the hose ( 2 ) connected to a first end of a mixing unit ( 3 ), a second end of the mixing unit ( 3 ) connected with a mouth piece unit ( 40 ) or a two-way switch ( 4 ), the mixing unit ( 3 ) being made of flexible material and having a room ( 310 ) defined therein, an inner tube ( 34 ) located in the room ( 310 ) and connected between a one-way inlet valve ( 32 ) and a moisture-water mixing valve ( 33 ), the one-way inlet valve ( 32 ) comprising a first inlet member ( 321 ), a communication tube ( 322 ), an inlet valve ( 323 ) and a collar ( 324 ), a hose connector ( 3211 ) connected to a top end of the first inlet member ( 321 ) and an air inlet chamber ( 3212 ) connected to a lower end of the first inlet member ( 321 ), the air inlet chamber ( 3212 ) having outer threads ( 3214 ) defined in an outer surface thereof and an air inlet hole ( 3213 ) defined through a wall of the air inlet chamber ( 3212 ), an enlarged opening ( 3215 ) defined in an underside of the air inlet chamber ( 3212 ), the collar ( 324 ) having a communication hole ( 3244 ) defined in a mediate portion thereof and inner threads ( 3241 ) defined in an inner periphery thereof, a pressing ring ( 3243 ) and a body presser ( 3242 ) connected to a top end and a lower end of the collar ( 324 ), the air inlet chamber ( 3212 ) engaged with the inlet valve ( 323 ) so as to seal the air inlet hole ( 3213 ), the inlet valve ( 323 ) having an aperture ( 3231 ) in a top end thereof, the communication tube ( 322 ) including a flange ( 3221 ) on an outer surface thereof so as to be connected to a lower end of the air inlet chamber ( 3212 ), the communication tube ( 322 ) having a top tube ( 3224 ) connected to a top end thereof so as to press the inlet valve ( 323 ) against a top end of the air inlet chamber ( 3212 ), a lower end of the communication tube ( 322 ) having an inner tube connector ( 3222 ) which is connected with the inner tube ( 34 ) such that the first inlet member ( 321 ) communicates with the communication tube ( 322 ) to form a water path, the flange ( 3221 ) having an aperture ( 3223 ) which communicates with the air inlet chamber ( 3212 ) and the room ( 310 ), the first inlet member ( 321 ) and the communication tube ( 322 ) respectively engaged with the body ( 31 ), the enlarged opening ( 3215 ) and the body presser ( 3242 ) pressing an opening in the top end of the body ( 31 ), the hose connector ( 3211 ) and the pressing ring ( 3243 ) pressing the hose ( 2 ).