Fastening screw

The utility model discloses a fastening screw, including metal head and spiral post, the connection of metal head is held at the spiral capital, metal head side is through fastening components and spiral support connnection, and the inside isolation mechanism that is provided with of metal head, fas...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	CHEN YUANKANG
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 utility model discloses a fastening screw, including metal head and spiral post, the connection of metal head is held at the spiral capital, metal head side is through fastening components and spiral support connnection, and the inside isolation mechanism that is provided with of metal head, fastening components is including connecting the bearing seat between metal head and spiral post, the bearing seat side is connected with the alloy inserted bar that a plurality of runs through the metal head, alloy inserted bar bottom is connected with the conical column, alloy inserted bar surface isprovided with the spiral line, the bearing seat side is connected with the bracing piece, the inside fastening groove that is provided with of metal head, isolation mechanism is including connectingthe dustproof pad on fastening inslot wall top, dustproof rebasing end passes through the cushion and fastens inslot wall bottom to be connected, and the dustproof surface that fills up is provided with the metal strip, carry