Sleeved type self -tapping screw

• Main Author: DING YUGUO
• Format: Patent
• Language: Chinese; English
• Published: 06.02.2018
• 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 sleeved type self -tapping screw, including the head of a nail and nail body, head of a nail fixed mounting is on the upper portion of nail body, and interval equipartition system has a thread on one's body following closely, split type structure is adopted with the pointed end of nail body bottom in nail body lower part, and fix a position through unsmooth graftingstructure at the pointed end of nail body lower part bottom the nail body be provided with two pinholes on the position of unsmooth grafting perpendicularly, a round pin axle is worn to adorn in coaxial meshing respectively on two pinholes, will follow closely the body lower part and follow closely the most advanced fixed of body bottom. The utility model discloses simple structure, low cost through changing most advanced mode, remain normal part from this, demolish the part of damage, have practiced thrift materials, have reduced use cost, have good spreading value. 本实用新型涉及种套装式自攻钉，包括钉帽和钉身，钉帽固定安装在钉身的上部，在钉身上间隔均布制有螺牙，所述