Liner detaching tool

• Main Author: LIU ZHIZENG
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2008
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

Disclosed is an inner sleeve detaching tool, wherein, an expanding sleeve is a sleeve with the external surface being consistent with the inner hole and the lower chamfer surface of a valve seat and with the internal surface being consistent with the cone external surface of a taper core shaft, the sleeve is cut into three equal parts by a saw blade milling cutter, and the three parts are connected together by a spring disposed in a common groove thereof; the expanding sleeve is arranged on the small end of the taper core shaft and then is disposed in the inner hole of the valve seat, a small pressure plate is mounted on the end face of the expanding sleeve, a nut sleeve is arranged on a stud of the taper core shaft by the internal thread thereof, and the external surface of the expanding sleeve can stick to the surface of the inner hole of the valve seat tightly by rotating the nut sleeve to press out the small pressure plate; and a big pressure plate is arranged on the face of a cylinder cover, a nut is dis