Detachable Y-shaped sleeve core medicine drawing needle head

The utility model relates to the technical field of medicine drawing needles, and discloses a detachable Y-shaped sleeve core medicine drawing needle which comprises a suction sleeve needle, an upper top cap is fixedly installed at the upper end of the suction sleeve needle, an installation groove is formed in the upper portion of the upper top cap, a one-way valve opening is installed in the top end of the suction sleeve needle, and an installation plate is installed in the installation groove. A socket needle is fixedly installed on the lower portion of the fixing plate, and a fixing assembly is arranged on the outer side of the upper top cap. A movable rod is movably mounted in the fixed cylinder, a sliding plate is fixedly mounted on the outer side of the movable rod, a reset spring is wound on the outer side of the movable rod, and a limiting hole is formed in the outer side of the mounting plate. Through cooperative arrangement of the suction trocar, the spigot needle, the one-way valve opening, the suc