Quick dismantlement pin structure who connects large type drill guide holder and base

• Main Authors: Zhang Liangfu, Zhou Yueyang, Wu Yue, Zhang Jian
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2016
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to a quick dismantlement pin structure who connects large type drill guide holder and base, public seat including base, screw shaft and connection guide holder, public seat in the inside of base, screw shaft traversing base and the hole of public seat, the base hole of public seat both sides in install female joint shaft cover, the hole of public seat in install public joint shaft cover, the both ends of screw shaft outside arrange opposite direction's screw on the disc and have the nut axle sleeve that the outside and female joint shaft cover and public joint shaft cover hug closely through screw symmetric connection, the lateral wall of nut axle sleeve on be the taper shape, the interior disc that overlaps of female joint shaft cover and public joint shaft on arrange the circular conical surface that matches with the nut axle sleeve. The utility model discloses it is rational in infrastructure ingenious, utilize the inclined plane to lock, it is convenient to dismantle, is difficul