A kind of environmental protection soundproof aluminum alloy doors and windows
An aluminum alloy door and window, environmental protection technology, applied in the direction of soundproof doors/windows, door/window accessories, door/window applications, etc., can solve the problems of strengthening sound transmission, weakening, weakening, etc., to avoid noise infiltration and save material costs , Strengthen the effect of weakening and attenuation
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[0040] see Figure 1-6 , an environmentally friendly soundproof aluminum alloy door and window, including an aluminum alloy door and window fixing base 1, an aluminum alloy door and window frame 2 is rotatably connected to the inner wall of the aluminum alloy door and window fixing base 1, and an aluminum alloy door and window frame 2 is embedded with a sound-proof glass 3 installed therein. A top groove 4 is dug inside the door and window frame 2, and a rotating hole 5 is dug on the outer end of the aluminum alloy door and window frame 2. The end is rotatably connected with a rotating rod 7, the inner wall of the top groove 4 is rotatably connected with a first rotating shaft 8, the first rotating shaft 8 is fixedly connected with the universal joint 6, and the inner wall of the top groove 4 is rotatably connected with a transmission shaft core 9, the transmission shaft The outer end of the core 9 is covered with a second rotating shaft 10, the second rotating shaft 10 is loc...
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