Disclosed is a juice squeezing extractor including: a body having driving force generating means disposed at the inside thereof and a driving shaft protruded downwardly from the upper portion thereof in such a manner as to be rotated by receiving a driving force from the driving force generating means a juice squeezing drum coupled to the side portion of the body and having a screw disposed at the inside thereof in such a manner as to be connected to the driving shaft a drum support providing a given space under the juice squeezing drum and supporting the juice squeezing drum in such a manner as to locate the juice squeezing drum at the side portion of the upper portion of the body and a pressurizing member pressurizing the drum support upwardly so as to connect the screw disposed at the inside of the juice squeezing drum to the driving shaft, while the drum support is being moved upwardly or downwardly when coupled or separated to/from the juice squeezing drum.本文揭示一種果汁壓榨萃取器,其包括:一主體,該主體具有安置於該主體內之驅動力產生構件及以藉由自該驅動力產生構件接收一驅動力而旋轉之方式自該主體的上部分向下突出之一驅動軸;一果汁壓榨滾筒,該果汁壓榨滾筒耦接至該主體之側部分且具有以連接至該驅動軸之方式安置於該果汁壓榨滾筒內之一螺桿;一滾筒支架,該滾筒支架在該果汁壓榨滾筒下方提供一給定空間且以將該果汁壓榨滾筒定位於該主體之該上部分之該側部分處的方式支撐該果汁壓榨滾筒;及一加壓部件,該加壓部件向上加壓該滾筒支架以將安置於該果汁壓榨滾筒內之該螺桿連接至該驅動軸,而該滾筒支架在耦接至該果汁壓榨滾筒或與該果汁壓榨滾筒分離時向上或向下移動。100‧‧‧主體112‧‧‧上主體114‧‧‧下主體115‧‧‧支腿116‧‧‧滾筒連接器140‧‧‧減速器150‧‧‧驅動軸162‧‧‧鉸鏈軸200‧‧‧果汁壓榨滾筒220‧‧‧果汁排放孔230‧‧‧殘留物排放孔300‧‧‧蓋子310‧‧‧蓋部件320‧‧‧漏斗330‧‧‧通孔400‧‧‧篩筒500‧‧‧螺桿600‧‧‧滾筒支架620‧‧‧鉸鏈部分630‧‧‧支點