Combined dual-layer expansion pin punching head

The utility model discloses a combined dual-layer expansion pin punching head which comprises a combined punching head comprising a punching head I and a punching head II, wherein the combined punching head is matched with a sleeve; and a locking nut is arranged on the sleeve. Due to the adoption of...

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Bibliographische Detailangaben
Hauptverfasser:	NIE CHAO, LONG JIE, ZHANG ZHONGLEI, WANG ZHONGZHEN, ZHANG HAORAN, LV WEIMIN, YUAN SHENGJU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model discloses a combined dual-layer expansion pin punching head which comprises a combined punching head comprising a punching head I and a punching head II, wherein the combined punching head is matched with a sleeve; and a locking nut is arranged on the sleeve. Due to the adoption of the technical scheme, the combined dual-layer expansion pin punching head disclosed by the utility model has the advantages of convenience in use, compact and reasonable structure, greatly-improved overhaul quality, reduced labor intensity and increased work efficiency.