The utility model relates to a small pesticide spraying machine, including a small gasoline engine, gearbox, piston pump, liquid inlet pipe, a liquid outlet pipe and a spray gun, which is characterized in that the gear box is an eccentric axle box, comprising a box body and a support in the body through the eccentric shaft, the eccentric axle is close to the output of the a small gasoline engine is provided, the eccentric shaft is connected through a centrifugal clutch with the transmission output of a centrifugal disc and a small gasoline engine on the other end of the eccentric shaft, the eccentric section of the middle sleeve is provided with a connecting rod; the piston pump is a single cylinder plunger pump, the cylinder piston pump with the working cylinder is fixedly connected with the docking box radial eccentric axle box, connecting rod hinged piston and gear box corresponding working cylinder in connection. The utility model has the advantages of simple structure, small size and light weight, and is suitable for the popularization of small farmers.
【技术实现步骤摘要】
【技术保护点】
一种小型农药喷雾机，包括小型汽油发动机［１］、传动箱、柱塞泵、进液管［４］、出液管［５］及喷枪［６］，所述柱塞泵由泵体、柱塞［７］和单向阀［８］构成，泵体中设有进液通道［９］、出液通道［１０］和工作缸［１１］，柱塞泵的进液通道［９］端部与进液管［４］相连接，出液通道［１０］端部与出液管［５］相连接，出液管［５］端部连接喷枪［６］；所述小型汽油发动机［１］的输出端上设有离心式离合器；其特征在于：所述传动箱为偏心轴箱［２］，由箱体［１２］和一贯穿支承在箱体［１２］中的偏心 轴［１３］构成，该偏心轴箱［２］紧靠小型汽油发动机［１］的输出端设置，其偏心轴［１３］的一端...
【技术特征摘要】
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