The present invention discloses a disinfectant plates (coating) automatic input device. The invention, and the fastening hole formed in the front side, the upper end portion and the bracket, the hook is formed to be extended to the fixed position on the edge of a toilet tank Is securely fixed through a fastening hole in the bracket, is guided in the inner space portion provided, the upper one side and the inlet is spaced apart from and above the lower portion has a side hole formed in communication with the toilet bath, one side of the guide piece side-by-side extended and formed cylinder Is bonded to the upper side inlet of the cylinder, through the disinfectant sterilization is stored therein Sliding and possibly provided along the cylinder, the center side of the disinfectant is provided in the space portion can be stored, the lower the injection hole is made in the disinfectant and tuchul is formed, one end of the piston and the guide protrusion of the cylinder flake Shaft rotatably supported between the guide piece of the cylinder, and a piston for pressing bandalhyeong eccentric cam according to the rotation Once fixed to the eccentric bandalhyeong kaemsang other end has suspended nine floating body consisting of a toilet tank that is located in the Physical Science as being, including, always able to supply a certain amount of disinfectant into the toilet tank can be regular disinfection and cleaning. The effect is also made easy by the commitment of the disinfectant can be added automatically by the omission of water, especially if there are only exchanged continues to use the benefits available through disinfection.본 발명은 변기용 소독액 자동 투입장치를 개시한다.본 발명은, 일측 전면에 체결구멍이 형성되고, 상단부에는 변기 수조의 가장자리에 위치 고정시킬 수 있도록 걸고리가 연장 형성된 브래킷과 브래킷에 체결구멍을 통해 고정 설치되며, 내측에는 가이드 공간부가 마련되고, 상부 일측면에는 주입구가 그리고 이와 소정거리 이격된 하부 일측면에는 변기 욕조와 연통되는 구멍이 형성되며, 일측에는 가이드 편이 나란하게 연장 형성된 실린더와 실린더의 상부측 주입구에 결합되며, 내부에 소독액이 저장된 소독통과 실린더를 따라 슬라이딩 가능하게 설치되며, 중심부측에는 소독액이 저장될 수 있는 공간부가 마련되고, 상,하부에는 소독액의 주입 및