The utility model discloses a kind of anti-blocking micropipette equipment, it is related to micropipette technical field.The utility model, including handheld micropipette body, the end of handheld micropipette body is threadedly connected with suction head
assembly by internal thread, and the end of suction head
assembly is threadedly connected with filter screen
assembly, the end of its filter screen assembly is threadedly connected with suction
nozzle, connect between suction head assembly and suction
nozzle through suction
nozzle, and filter screen assembly filters liquid, the suction head assembly includes external thread connection
pipe that is screwed into the internal thread in the end of handheld micropipette body, and the end of external thread connection
pipe is fixedly connected with suction head body, the bottom end of suction head body is provided with internal thread recess hole.The utility model, by filter screen assembly, make to intercept
impurity in liquid, finally reach suction head assembly, threaded connection makes filter screen assembly become independent component, can be overall unscrewed and cleaned or replaced when blocking, avoid to discard entire suction head.