Pneumatic indicator

The utility model discloses a pneumatic indicator, including an upper valve body and a lower valve body, go up the valve body and be equipped with the guide pin bushing down between the valve body, being equipped with the direction cylinder in going up the valve body, going up for holding the cavity in valve body and the valve body down, be equipped with the piston in holding the cavity, piston seat B establishes on the piston with piston seat A cover, and one side of lower valve body is equipped with the input port, and the input port feeds through with the valve body is inside down each other. The product is small, is convenient for install on pneumatic valve class product, and visual display, the reinforcing status indicator, simple structure, compactness, easily control, convenient touse, the practicality is stronger. 本实用新型公开了种气动指示器，包括上阀体和下阀体，所述上阀体和下阀体之间设有导套，所述上阀体内设有导向柱体，上阀体和下阀体内为容纳腔体，容纳腔体内设有活塞，活塞座B和活塞座A套设在活塞上，下阀体的侧设有输入口，输入口和下阀体内部相互连通。产品体积小，便于安装在气阀类产品上，直观显示，增强状态标识，结构简单、紧凑，易于控制，使用方便，实用性较强。