The invention provides a safety butterfly group which comprises a butterfly needle piece and a needle sleeve piece. The butterfly needle piece is provided with a needle fixing tube, a needle head is arranged at a needle head end of the needle fixing tube, the needle fixing tube is provided with a fixing pivot part, the fixing pivot part is provided with a concave hook part, and the concave hook part penetrates through the fixing pivot part and is provided with a hook opening. The needle sleeve piece is provided with a hollow sleeve which is provided with a needle sleeve groove, the needle sleeve groove is provided with a needle head area section, and the needle head area section is provided with at least one blocking part. One end of the sleeve is connected with a pivoted rod in an extending mode, the needle sleeve piece is pressed into the concave hook part from the fixing hook opening of the fixing pivot part through the pivoted rod, the needle sleeve piece rotates toward the needle head end with the pivoted rod as the axis, a needle head is sleeved inside the sleeve through the needle sleeve groove, and the blocking part of the needle head area section prevents the needle head from falling out of the sleeve from the needle sleeve groove.一種安全蝴蝶針組,包括一蝶針件,該蝶針件具有一固針管,該固針管於其針頭端設有一針頭,並於該固針管設置有一固定樞部,該固定樞部上設有一凹勾部,該凹勾部貫穿該固定樞部並具有一勾口;一針套件,該針套件具有一中空的套管,該套管上設有一套針槽,該套針槽具有一針頭區段,該針頭區段設有至少一擋止部,且該套管一端延伸聯接有一樞接桿,針套件藉由樞接桿由固定樞部的勾口壓入凹勾部中,且以樞接桿為軸心向針頭端轉動,將針頭由套針槽套入於套管內部,並利用針頭區段的擋止部防止針頭由套針槽脫出套管外。100...蝴蝶針組10...蝶針件11...固針管111...針接端112...輸液端12...針頭13...輸液接管14...握持塊15...固定樞部151...凹勾部152...勾口20...針套件21...套管22...套針槽221...針管區段222...針頭區段231、232...擋止部24...延伸突部25...組接桿251、252...聯接部30...翼片件311、312...翼片32...套固塊
