Patent ID: 7295170
Filing Date: 2007-11-13
Classification: H01Q

Abstract:
1. A waterproof mechanism for a satellite antenna, used for preventing water from entering a wave-guide tube of a low noise block with integrated feed (LNBF), comprising: a fixing cover, having a ring type engaging portion, the lower end of said ring type engaging portion having a ring type sheet and combining component; a thin wall cap, having a ring type engaging portion, the upper end of said ring type engaging portion having a shielding sealing an opening thereof and the lower end of said ring type engaging portion having a ring type sheet; an O-ring; and said LNBF, comprising said wave-guide tube, said wave-guide tube having a ring type engaging portion and combining component corresponding respectively to said engaging portion and ring type sheet of said thin wall cap, said combining component being also corresponding to said combining component of said fixing cover; wherein said ring type engaging portion of said thin wall cap is engaged at the periphery of said ring type engaging portion of said wave-guide tube; said ring shape engaging portion of said fixing cover is engaged at the periphery of said ring type portion of said thin wall cap; said combining component of said fixing cover is combined with said combining component of said wave-guide tube; said ring sheet of said fixing cover presses said ring type sheet of said thin wall cap, said O-ring is sandwiched between said ring sheet of said thin wall cap and the upper end face of said ring shape of said engaging portion.