Pedal type liquid nitrogen conveyor

The utility model discloses a pedal type liquid nitrogen conveyor, including the pressure cylinder and set up the piston in the pressure cylinder, be connected with the feed liquor pipe at the lower extreme of pressure cylinder, be connected with the drain pipe on the lateral wall of pressure cylinder, the piston pass through U type push rod and be connected with the running -board, be provided with reset spring in the below of running -board. To liquid nitrogen container admixture liquid nitrogen the time, in only needing to inject liquid nitrogen storage tank with the feed liquor pipe, during the drain pipe injects liquid nitrogen container, step on the presser foot footboard repeatedly with the foot, liquid nitrogen container can be transferred to to the liquid nitrogen under the pressure effect in, avoid the liquid nitrogen indoor splashing and lead to the fact personnel's frostbite. 本实用新型公开了种脚踏型液氮输送装置，包括压力缸以及设置在压力缸内的活塞，在压力缸的下端连接有进液管，在压力缸的侧壁上连接有出液管，所述的活塞通过U型推杆与脚踏板连接，在脚踏板的下方设置有复位弹簧。在向液氮罐掺加液氮时，只需将进液管插进液氮储存罐