Self-locking bolt

The self-locking bolt comprises a screw rod, a nut and a gasket, an annular groove used for containing the gasket is formed in the nut, the annular groove is formed in the end, close to the screw rod, of the nut, a plurality of extrusion parts are arranged on the annular groove, and the extrusion pa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANG FANGYU, ZHENG MIN, CHEN LUCHAO, YIN SIYUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The self-locking bolt comprises a screw rod, a nut and a gasket, an annular groove used for containing the gasket is formed in the nut, the annular groove is formed in the end, close to the screw rod, of the nut, a plurality of extrusion parts are arranged on the annular groove, and the extrusion parts are evenly distributed on the upper end face of the annular groove at equal intervals. The end, close to the annular groove, of the gasket is provided with positioning teeth mutually pressed with the extrusion part, the end, far away from the annular groove, of the gasket is provided with a plurality of pressure teeth used for pressing the surface of a base body needing to be screwed with a bolt, the axis of each pressure tooth is arranged between the axes of every two adjacent positioning teeth, and when the bolt is screwed down, the extrusion part downwards presses the positioning teeth. When the screw is screwed, the gasket is elastically deformed, the pressure teeth tightly press the periphery of the screw