Building
A construction, pipe wall technology, applied in construction. It can solve the problems such as the heavy burden on the escape personnel, the inconvenience of using the air outlet, and the inability to continuously inhale fresh air.
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[0041] Such as figure 1 said, figure 1 It is a sectional view of the air supply pipeline of the first embodiment of the present application, as figure 1 As shown, the pipe wall 98 of the air supply pipe 90 is provided with an openable linear opening along the extending direction of the air supply pipe 90, and it can also be said that the pipe wall 98 of the air supply pipe 90 is provided with a The opening in the direction of the inner hole 93, the above-mentioned opening is closed to form a linear gap 97, that is to say, when the above-mentioned opening is not subjected to external force, the pipe walls 91 and 92 on both sides of the opening are in a closed state and there is no air leakage or basically no leakage Air, pipe wall 98 adopts elastic material, especially the pipe wall 91 and pipe wall 92 on both sides of the linear slit 97 adopt elastic material to ensure that the handle 95 arranged on the pipe wall 91 and the handle 95 arranged on the pipe wall 92
[0042] The...
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