Pressing rivet screw assembly

• Main Authors: GAO ZHIYING, WANG GENLIN, LI JIANG
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2024
• 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 pressing rivet screw assembly comprises a screw rod, a screw head and a movable piece, one end of the screw rod is connected to the bottom of the screw head, the other end of the screw rod penetrates through the center of the movable piece, the movable piece moves along the outer side face of the screw rod to be tightly attached to the bottom of the screw head, and at least two concave clamping grooves are formed in the bottom of the screw head. At least two clamping parts clamped into the clamping grooves to be fixed are arranged on the face, tightly attached to the bottom of the screw head, of the movable piece, limiting parts clamped into the clamping parts in a protruding mode are further arranged at the bottoms of the clamping grooves, and an anti-skid layer making contact with the movable piece adheres to the bottom of the screw head. The screw rod and the screw head which are integrally connected are used in cooperation with the movable piece, the covering area of the fixed screw head can be increa