Broach handle end soft guide-in structure

The utility model discloses a broach handle end soft guide-in structure which comprises a broach and a protective sleeve. A handle end of the broach is in a circular bead shaft structure. The protective sleeve is pressed by a synthetic rubber mold to be a truncated conic body. An axial blind hole is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HUANG ZEPEI, DOU ZHENBIN, ZHAO HONGJUN, XIA HANGUAN, ZHANG YONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model discloses a broach handle end soft guide-in structure which comprises a broach and a protective sleeve. A handle end of the broach is in a circular bead shaft structure. The protective sleeve is pressed by a synthetic rubber mold to be a truncated conic body. An axial blind hole is formed in a large end face of the protective sleeve and is in an interference fit connection with a section, with a small diameter, of the handle end of the broach. The outer diameter of the large end face is smaller than the outer diameter of a section, with a large diameter, of the handle end of the broach by 1 to 2 mm. Two end faces are installed leaning against each other. An axial hole is formed in a small end face of the protective sleeve and communicated with the axial blind hole of the large end face. Due to arrangement of the soft and elastic protective sleeve on the handle end of the broach, the broach handle end soft guide-in structure is simple and easy to install. When the broach handle end soft guide