Connecting pipe type extraction consumable

The utility model provides a connecting pipe type extraction consumable. The connecting pipe type extraction consumable comprises a consumable main body part and a consumable cover, the consumable main body part comprises a pipetting consumable well unit and a liquid reagent well unit which are connected with each other. The consumable cover comprises a consumable cover frame and a packaging part, the packaging part covers the consumable cover frame in a sealing manner, the consumable cover frame comprises an annular buckling frame and a plurality of sealing buckling parts, and the annular buckling frame is adaptively connected with the sealing buckling parts, so that the pipetting consumable well unit is detachably connected with the sealing buckling parts to form first mechanical connection; the annular buckling frame penetrates through the liquid reagent well unit to form second mechanical connection, and the packaging part is in flexible sealing connection with the liquid reagent well unit penetrating thr