Three-section type pressure maintaining box

The utility model relates to a three-section type pressure maintaining box which comprises an upper pressing die, a middle pressing plate and a lower bearing die, an annular protrusion is arranged on the upper surface of the lower bearing die, and a profiling positioning groove used for containing a...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	QIN ZHIJIA
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The utility model relates to a three-section type pressure maintaining box which comprises an upper pressing die, a middle pressing plate and a lower bearing die, an annular protrusion is arranged on the upper surface of the lower bearing die, and a profiling positioning groove used for containing a workpiece is jointly formed between the annular protrusion and the lower bearing die. A positioning assembly is arranged on the upper surface of the lower bearing die, a positioning inserting piece corresponding to the positioning assembly is arranged on the lower surface of the upper pressing die, and the upper pressing die is inserted into the positioning assembly of the lower pressing die in a matched mode through the positioning inserting piece of the upper pressing die. The middle pressing plate is arranged on the lower surface of the upper pressing die in parallel, and the middle pressing plate and the upper pressing die are elastically connected through a spring assembly. According to the three-section type