The present invention relates to a water supply device for a sprinkler which supplies water in a main hose to a sprinkler by separating the sprinkler from the ground surface, wherein a groove having a half-moon shaped cross section is formed on the side of a connection hole of the sprinkler which connects the sprinkler to the upper part an inserting unit having a half-moon shaped cross section which is connected to the groove of the connection hole of the sprinkler is formed in the top end part of a pole which is inserted and installed by standing up on the ground surface a hose connection hole which guides the water to the connection hole of the sprinkler is connected between a branch hose supplying water to the connection hole of the sprinkler and a main hose supplying water and the top end part of the branch hose is connected to the lower part of the connection hole of the sprinkler. In addition, the hose connection hole comprises: a projection part which protrudes from the outline of a branch part of a first connection hole and a guide groove which is formed inside the bottom end of a second connection hole and guides the projection part of the first connection hole. Since the top end of the pole is prepared in the insertion part which has the half moon shaped cross section while the groove which has the half moon shaped cross section on the side of the connection hole of the sprinkler, the insertion part and the groove are combined, and therefore, the top end part of the pole and the connection hole of the sprinkler which combine the sprinkler can be firmly combined without a rotation, allowing for the sprinkler separated from the ground surface to be installed.COPYRIGHT KIPO 2015본 발명에 의한 스프링클러용 급수장치는 스프링클러를 지면으로부터 이격시켜서 메인호스의 용수를 스프링클러에 급수하는 것으로 이루어지는 스프링클러용 급수장치에 있어서, 스프링클러를 상부에 결합하는 스프링클러결합구의 일측에 반달형태의 단면을 가진 홈이 형성되고, 지면에 세워져서 삽입 설치되는 폴대의 상단부에 상기 스프링클러결합구의 홈과 결합되는 반달형태의 단면을 가진 삽입부가 형성되고, 용수를 상기 스프링클러결합구로 흐르게 하는 호스연결구가 스프링클러결합구로 용수를 공급하는 분기호스와 용수를 공급하는 메인호스 사
