Cleaning device
The invention discloses a cleaning device. The cleaning device comprises a fixed seat; the telescopic mechanism comprises at least two telescopic pieces, the telescopic pieces are sequentially arranged relative to the fixed base in the first direction, the telescopic piece closest to the fixed base...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a cleaning device. The cleaning device comprises a fixed seat; the telescopic mechanism comprises at least two telescopic pieces, the telescopic pieces are sequentially arranged relative to the fixed base in the first direction, the telescopic piece closest to the fixed base is the first telescopic piece, the first telescopic piece is connected with the fixed base, the telescopic piece farthest from the fixed base is the second telescopic piece, and every two adjacent telescopic pieces are in sliding connection; the two adjacent telescopic pieces can generate relative movement in the first direction; the threaded cylinder assembly comprises at least two threaded cylinders, the threaded cylinders are sequentially arranged relative to the fixing base in the first direction, the axes of the threaded cylinders coincide with the first direction, annular protrusions are arranged on the outer circumferential faces of the threaded cylinders, outer threads are arranged on the outer circumferent |
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