Injection liquid transfer gun

The utility model discloses an injection pipette which comprises a tube body, a shell is arranged on one side of the tube body, a push rod is connected to the upper end of the tube body in an inserted mode, the lower portion of the push rod is fixedly connected with a piston, a pipette head is arranged below the tube body, a through groove is formed between the tube body and the shell, and a first partition plate is arranged in the shell and located below the through groove. A second partition plate is arranged in the shell and located on the through groove, a motor is arranged below the first partition plate, a rotating shaft of the motor penetrates through the first partition plate to be fixedly connected with a threaded rod, a movable plate is arranged on the threaded rod, the movable plate penetrates through the through groove to be fixedly connected with a guide block, and a guide groove matched with the guide block is formed in the push rod. The pipette is simple in structure, movement of the push rod i