Novel knurled miniature shaft

• Main Authors: LIU LINGYUN, YE GENGBIAO, SHAN BAONAN, CAI ZHIDAN
• Format: Patent
• Language: Chinese; English
• Published: 24.03.2023
• Subjects: BEARINGS; BLASTING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LUBRICATING; MECHANICAL ENGINEERING; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; WEAPONS

The novel knurled miniature shaft comprises a shaft body, the shaft body is sequentially provided with a threaded connection section, a knurled section, a flange plate, a smooth section and an extension section from left to right, a protruding part is integrally arranged at the local position of the knurled section, a containing groove is formed in the local position of the protruding part, an oil storage box is arranged in the containing groove in an embedded mode, and the oil storage box is connected with the flange plate. A first oil outlet hole is formed in the left side face of the oil storage box, a second oil outlet hole is formed in the right side face of the oil storage box, an oil guide rod is arranged in the first oil outlet hole and the second oil outlet hole in a penetrating mode, and the oil guide rod is sleeved with a lubricating oil filtering layer. A plurality of elastic sheets are fixedly arranged on the left end surface of the knurling section; a connecting screw hole is axially formed in t