Spiral adjusting thimble device

• Main Author: JIANG SHUSONG
• Format: Patent
• Language: English
• Published: 22.04.2015
• 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 relates to the field of tool accessories, in particular to a spiral adjusting thimble device. The spiral adjusting thimble device comprises a barrel-shaped shell, the barrel-shaped shell is provided with a closed port, a through hole is formed in the center of the closed end, in the barrel-shaped shell, a first thimble is arranged in the through hole in the center of the closed end, the upper end of the first thimble is connected with a spring with flat blocks at two ends, a second through hole is formed in the center of the flat block at the upper end of the spring, and threads are formed in the second through hole; the spiral adjusting thimble device further comprises a second thimble connected with the second through hole through the threads, an adjusting device is arranged at the upper end of the second thimble, the adjusting device comprises a rotary end, the rotary end is connected with the end of the second thimble through a screw rod, and the diameter of the screw rod is larger than the diameter of the second thimble. The spiral adjusting thimble device is aimed to reduce the stress on the workpiece surface and protect the workpiece surface from damage when fixing a workpiece.