Syringe convenient for large-dose liquid pill injection

The utility model discloses an injector convenient for large-dose liquid bullet push injection, which comprises an injection cylinder, a piston and a piston handle, the end part of the piston handle is provided with a liquid pumping pulley and a liquid injection pulley through a wheel frame, a wheel belt is arranged between the liquid pumping pulley and the liquid injection pulley, one end of the wheel belt is provided with a traction mechanism, and the other end of the wheel belt is provided with a lock catch. A mounting frame is arranged outside the syringe and comprises a guide rod, a first mounting plate and a second mounting plate, a liquid injection lock seat is arranged on the first mounting plate, and a liquid extraction lock seat is arranged on the second mounting plate. The utility model effectively solves the problem that the injector is laborious to extract and inject developer, and reduces the working intensity of medical staff. 本实用新型公开了一种便于大剂量液体弹丸氏推注的注射器，包括注射筒、活塞和活塞柄，活塞柄的端部通过轮架设有设有抽液滑轮和注液滑轮，抽液滑轮