The present invention relates to a novel agricultural chemical pumping device, which can obtain higher pumping pressure and efficiency compared to conventional devices when pumping an agricultural chemical for spray, have a very inexpensive, simple, and high efficiency structure, and also have little breakdown, and considerably improved convenience in use. That is, an integrated liquid chemical supply hole (260) and an integrated liquid chemical output hole (270) are formed at a left side and a right side of a body (10), respectively. Liquid chemical suctioning holes (270, 370) and liquid chemical intermediate suctioning holes (280, 380), which are communicated with each other, are formed between one of cylinders (410, 410&prime) and the integrated liquid chemical supply hole (260), respectively. Fresh water storing spaces (510, 510&prime, 520, 520&prime) and check valves (241, 241&prime, 341, 341&prime) are provided at upper and lower sides of the body (10). Upper and lower detachable coupling caps (500, 500&prime) in which liquid chemical discharge grooves are formed are coupled to each other by bolt at right sides of the body (10). Pumped liquid chemical output holes 1 (540, 540&prime) are formed between one and the other of the water storage spaces (510, 510&prime) formed inside of the upper and lower coupling caps (500, 500&prime) to thereby output a liquid chemical pumped from one side toward the rear other side. Pumped liquid chemical output holes 2 (550, 550&prime) are formed between the water storage spaces (520, 520&prime) formed on an upper end of the right side and the liquid chemical discharge holes (530, 530&prime).COPYRIGHT KIPO 2015본 발명은 농약분무를 위한 농약 펌핑시 기존 대비 보다 높은 펌핑압력과 효율을 얻을 수 있으면서도 아주 저렴하고 간단한 고효율 구조를 제공할 뿐 아니라 고장이 없고 사용의 편이성 또한 크게 증진된 새로운 농약 펌핑장치에 관한 것이다.즉, 몸체(10)의 좌,우측에는 약액통합공급홈(260)과 약액통합출력홈(270)이 각각 형성시킨 것과 일측 실린더(410,410)와 약액통합공급홈(260) 사이에는 서로 연통된 약액흡입홈(270,370) 및 약액중간흡입홈(280,380)이 각각 형성되는 것과, 상기 몸체(10)의 상,하측에는 담수공간(510,510,520,520)과 체크밸브(2
