Grinding rod that can kick -back automatically add long handle

• Main Authors: TONG WEISHUANG, LI YANJIAO, WANG LIMIN, ZHAO GANQING, LI JINGTING
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2017
• Subjects: DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; GRINDING; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; PERFORMING OPERATIONS; POLISHING; TRANSPORTING

The utility model discloses a grinding rod that can kick -back automatically add long handle, including urceolus, inner tube and grinding rod fixed orifices, outer barrel casing is in on the inner tube, the urceolus upper end is connected with the metal rod, the metal rod circumference is provided with the spring, be provided with oblique shape hole on the inner tube lateral wall, it is provided with salient connecting block on the urceolus inside wall that corresponds to put with oblique shape hole site, the protrusion connecting block is inlayed on the hole that appears to one side, urceolus below inner tube circumference is provided with annular sleeve pipe, the annular sleeve pipe is connected with the inner tube through interior external screw thread, be provided with cyclic annular semi -circular emergence on the annular sleeve pipe, be provided with the hold -down bars on the cyclic annular semi -circular emergence, the hold -down bars is provided with the hold -down bars hole with the inner tube junct