connection rib 542 and projects by piercing through fixing plate 514 also a connection lug 544 connected to push plate 550 is formed at the other end of operation rod 540 return spring 560 receives operation rod 540 and a pair of detent rings 546 is fixed to both sides of operation rod 540 return spring 560 does not deviate from operation rod 540 because of pair of detent rings 546 push plate 550 is provided with a push plane 552 pushed by a user and with a connecting member 554 extending from push plane 552 and being coupled with operation rod 540 operation rod 540 is joined to connecting member 554 by inserting connection lug 544 into a connection hole 556 formed in the interior of connecting member 554 push plane 552 and connecting member 554 are integrally formed with each other hereinbelow an operation of the valve assembly of the water dispenser for the refrigerator according to the preferred embodiment of the present invention will be described first referring to fig4 under the state where connecting part 200 valve spool 300 and biasing spring 400 are coupled with one another and cap 210 of connecting part 200 is coupled to reservoir 30 which stores the water therein reservoir 30 is turned upside down at this time shoulder 332 of valve cock 330 of open close part 500 comes in contact with pair of cams 520 in order to drink the cool water stored within the refrigerator the user pushes push plate 550 at this time push plate 550 slides slide member 530 and pivots pair of cams 520 to the predetermined angle by overcoming the biasing force of return spring 560 at this time valve cock 330 which is in contact with pair of cams 520 ascends.