Wall air vent assembly mounted indoors
A technology of tuyere and components, which is applied in the field of building ventilation and mechanical structure, which can solve the problems of damage to the waterproof layer of the wall, inconvenient disassembly and maintenance, and rainwater ingress, and achieve the effects of reducing the risk of falling objects, convenient installation, and reliable sealing
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[0018] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0019] figure 1 It is a schematic diagram of the overall structure of the present invention, including an inner tuyere 2 , an inner casing 3 , an outer casing 5 , a filter layer 6 and an outer tuyere 7 . The inner tuyere 2 has a tuyere sleeve and a tuyere flange, preferably engineering plastics through injection molding, and its structure is preferably a known inner wall tuyere, including at least a disc tuyere, a louver tuyere and a rotating tuyere. The tuyere sleeve has a sealing ring on the outside, and is connected and fastened to the inner wall of the inner casing 3 through the sealing ring. The tuyere flange abuts against the inner wall surface 1 . The number of the sealing rings is not less than 2, preferably known rubber or silicone materials. In order to prevent the displacement of the sealing ring, the t...
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