Sheet metal part connecting structure

The utility model provides a sheet metal part connecting structure which comprises a first sheet metal part, two preformed holes are formed in the bottom of the first sheet metal part, the depth of the preformed holes is smaller than the thickness of the first sheet metal part, a second sheet metal...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	OU HAIXIN
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 provides a sheet metal part connecting structure which comprises a first sheet metal part, two preformed holes are formed in the bottom of the first sheet metal part, the depth of the preformed holes is smaller than the thickness of the first sheet metal part, a second sheet metal part is fixedly connected to the inner side of the first sheet metal part, two penetrating holes are formed in the second sheet metal part, and the penetrating holes are communicated with the first sheet metal part. And a self-tapping screw rod is inserted into the penetrating hole, a cross head is fixedly connected to the top end of the self-tapping screw rod, a tapping head is fixedly connected to the bottom end of the self-tapping screw rod, and the tapping head is inserted into the preformed hole. The connecting structure has the advantages that when the first sheet metal part and the second sheet metal part are not provided with screw holes, the first sheet metal part and the second sheet metal part are firmly