Hydraulic cartridge valve element extractor

The invention discloses a hydraulic cartridge valve element extractor. The hydraulic cartridge valve element extractor comprises a support (2), and is characterized in that the support (2) is connected with one end of a tightening pull rod (4), the tightening pull rod (4) is in sleeved connection with a pull cap (5), and the other end of the tightening pull rod (4) is in threaded connection with an adjusting nut and handle (6); three levers (7) are evenly installed on the circumference of the support (2) through pin shafts in a hinged mode, a threading die (1) is installed at the left end of each lever (7) through a pin shat in a hinged mode, the outer wall of each threading die (1) is provided with circumferential threads, the right end of each lever (7) is in hinge joint with a connecting rod (3) through a pin shaft, and each connecting rod (3) is in hinge joint with the pull cap (5) through a pin shaft; each pin shaft is provided with a snap spring (8) to prevent the pin shaft from falling off. The hydraul