High-precision multi-aperture switching mechanism for borescope

High-precision multi-aperture switching mechanism for borescope

The utility model belongs to the technical field of borescopes, and particularly relates to a borescope high-precision multi-caliber switching mechanism, which comprises a large-caliber insertion shaft and a small-caliber insertion shaft, the small-caliber insertion shaft is coaxially sleeved in the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FAN FENGJIN, LIU SHIYING, XIA SHUCE, CHEN YONGPENG, DONG GUANGGUANG, WANG XIAOBO, GAO WENQING
Format: Patent
Sprache:chi ; eng
Schlagworte:
AIMING
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPON SIGHTS
WEAPONS
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Beschreibung
Zusammenfassung:The utility model belongs to the technical field of borescopes, and particularly relates to a borescope high-precision multi-caliber switching mechanism, which comprises a large-caliber insertion shaft and a small-caliber insertion shaft, the small-caliber insertion shaft is coaxially sleeved in the large-caliber insertion shaft in a pluggable manner, the upper side wall of the large-caliber insertion shaft is provided with a fastening screw hole and a positioning screw hole, and the lower side wall of the large-caliber insertion shaft is correspondingly provided with a fastening screw hole; the small-caliber inserting shaft is provided with three annular steps in sliding contact, the three annular steps are correspondingly provided with fastening screw grooves and positioning screw grooves, positioning screws are arranged in the positioning screw holes and the positioning screw grooves in a matched mode, and the lower side wall of the small-caliber inserting shaft is provided with fastening grooves correspon