Extension rod assembly
The utility model provides an extension rod assembly. The extension rod assembly comprises an extension rod and a locking piece, and the locking piece is in threaded connection with the extension rod; a first connecting part is arranged on the equipment body, a second connecting part is arranged on...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides an extension rod assembly. The extension rod assembly comprises an extension rod and a locking piece, and the locking piece is in threaded connection with the extension rod; a first connecting part is arranged on the equipment body, a second connecting part is arranged on the extension rod, and the first connecting part and the second connecting part are detachably connected; the locking piece is provided with a through hole, and the first connecting part or the second connecting part can penetrate through the through hole; in the state that the extension rod and the equipment body are connected and fixed through the second connecting part and the first connecting part, the locking piece can move towards the equipment body by a preset stroke in the axial direction of the extension rod so as to abut against the equipment body. When the matching between the first connecting part and the second connecting part has the tendency of loosening rotation, the locking piece prevents the conne |
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