Dismantling tool for threaded connection piece

• Main Authors: CHEN QUANLIN, DU YINGWEI, SONG YU, YAN CHENHUAN, SHEN WEIGUO, MA ZHENGJIANG, CAO YUCHANG
• Format: Patent
• Language: English
• Published: 18.03.2015
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

The invention provides a dismantling tool for a threaded connection piece. The dismantling tool for the threaded connection piece comprises a cylindrical main body, a spring, a rotatable wrench and a stop piece, wherein a bump and a hole are formed at one end of the main body and along the circumference of the main body, the rotatable wrench is provided with a handle portion and an annular end portion, two positioning blocks are arranged on the side face of the handle portion, the annular end portion can be clamped on the outer surface of the main body and rotate round the axis of the main body, the stop piece is provided with a rod portion and a tongue end portion, a positioning bolt passes through the hole and fixes the main body relatively to the threaded connection piece, the rod portion passes through holes in the position blocks, and the spring which sleeves the rod portion is located between the two position blocks. One end of the spring is fixed on the stop piece, and the other end of the spring is fixed on the rotatable wrench, and therefore the tongue end portion of the stop piece can be pressed against the bump on the main body along the circumference of the main body. The invention further provides a combination tool for dismantling the threaded connection piece.