A spray nozzle device for spouting remove preceding impurity of increment type rotary encoder

The utility model provides a spray nozzle device for spouting remove preceding impurity of increment type rotary encoder, includes the nozzle body, increment type rotary encoder's measuring wheel is tangent with dielectric surface, the nozzle body is located dielectric surface's top, the nozzle body includes the cavity, for seal chamber's front shroud and air jet, the front shroud is located the front end of cavity and with cavity fixed connection, the air jet is located the anterior below of cavity, the cavity is narrow cavity under the width, the rear end and the intake pipe intercommunication of cavity. The utility model provides a simple structure, convenient to use, can high -efficiently swiftly spout except that the liquid before the increment type rotary encoder and the spray nozzle device of solid impurity. 种用于喷除增量型旋转编码器前杂质的喷嘴装置，包括喷嘴本体，增量型旋转编码器的测量轮与介质表面相切，所述喷嘴本体位于介质表面的上方，所述喷嘴本体包括腔体、用以密封腔体的前盖板和喷气口，所述前盖板位于所述腔体的前端并与所述腔体固定连接，所述喷气口位于所述腔体的前部下方，所述腔体为上宽下窄的腔体，所述腔体的后端与进气管连通。本实用新型提供了种结构简单、使用方便、可高效快捷喷除增量型旋转编码器前的液