Micropipettor sleeve pipe

The utility model discloses a micropipettor sleeve pipe, include the sleeve pipe body of constituteing by the half sleeve pipe an and the half sleeve pipe b of a pair of semicircle platform shape, half sleeve pipe an and half sleeve pipe b's inner wall be provided with respectively with micropipettor outer wall assorted die an and die b, half sleeve pipe a's a side and half sleeve pipe b's a side swing joint, be provided with breach an and recess on another side of half sleeve pipe a, be provided with breach b and lug on another side of half sleeve pipe b, breach an is relative with breach b's position, the recess is relative and phase -match with the lug position. A micropipettor sleeve pipe, simple structure, convenient to use with low costsly, easy obtain, easily disinfect and do not have harmful substance and appear, the utility model discloses an use, in the time of effectively avoiding the micropipettor to absorb sample liquid, the sample is to the pollution of micropipettor, the protection micropipettor, guarantees the validity of data to and assurance the experimenter's safety.