Patent ID: 7637058

Claim:
A wind and rain preventing device for aluminum doors and windows comprising a window structure which comprises an inner window, an outer window, a lower frame, two side frames and an upper frame, said inner and outer windows having peripheral edges and joint corners, said lower frame having a topside surface thereof with an inner window slide rail and an outer window slide rail formed thereon, each of said inner window slide rail and outer window slide rail having opposite sides formed thereon respectively, said wind and rain preventing device comprising a plurality of sets of covering-and-clogging casings respectively fitted at all said joint corners of the peripheral edges of said inner and said outer windows, said inner and outer window slide rails having the opposite sides formed thereon with an elongate projecting member, said covering-and-clogging casing having one side engaging with said inner and said outer window slide rails and being able to move thereon, said covering-and-clogging casing further comprises a clogging body, a bottom sealing plate and a front blocking plate, said clogging body has a short side with a locking hole formed thereon, so as to enable a screw being screwed in said locking hole to combine said lower and side window frames, said clogging body further comprises a slide-guiding member formed beneath said locking hole; said bottom sealing plate connected with said clogging body and able to completely cover up all said joint corners and having a central portion of an underside of said bottom sealing plate bored with a slide rail groove to be engaged with said window slide rail, said bottom sealing plate having its opposite sides respectively formed with a projecting member extending up, said front blocking plate and said slide-guiding member connected together; said front blocking plate connected with a slide-guiding member and having an adjusting hole formed thereon, said front blocking plate having its lower edge disposed with a fin-shaped water-blocking member.