Pin locking device used for dental high speed turbine handset

• Main Authors: WU XUNXIAN, WEN GUOFENG, LONG JINYUAN, NING JIAKANG, WU JIADE
• Format: Patent
• Language: Chinese; English
• Published: 07.05.2014
• Subjects: APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; DENTISTRY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The utility model discloses a pin locking device used for a dental high speed turbine handset. The pin locking device comprises a guide sleeve, a U-shaped bracket, an ejection pin and a hollow handle with one end open, wherein the tail end of the guide sleeve passes through the U-shaped bracket, is sleeved with the handle and can move along the handle; a bulge structure is arranged at the front end of the ejection pin, the ejection pin is sleeved with a spring, one end of the spring is clamped on the bulge structure, the front end of the ejection pin and the spring are both sleeved with the guide sleeve, and the ejection pin can move along the guide sleeve; the tail end of the ejection pin penetrates out of the guide sleeve and is sleeved with the guide sleeve, and the tail end of the ejection pin is sleeved with the handle in a tight fit manner to form fixed connection. According to the pin locking device disclosed by the utility model, the ejection pin and the handle are fixedly connected in a tight fit man