15-degrees one-way connector of spiral double-layer heat-preservation metal purging system
A one-way connector, double-layer thermal insulation technology, applied in the field of fireplace chimneys, can solve the problems of increasing the self-weight of the chimney system and reducing the thermal insulation effect of the chimney, and achieves the effect of convenient and fast installation, saving installation materials, and quick connection.
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[0012] In order to make it easy to understand the technical means, creative features, objectives and effects achieved by the present invention, the present invention will be further explained below in conjunction with specific drawings.
[0013] Such as figure 1 As shown, a 15° one-way connector of a spiral double-layer thermal insulation metal smoke exhaust system includes a connector tube body. The connector tube body consists of an inner layer 1, an outer layer 4, and an insulation cotton 5 filled between the inner and outer layers. One port of the connector pipe body is closed and welded with a ring-shaped convex end cover 2, and the other port of the connector pipe body is closed and welded with a ring-shaped concave end cover 7, and the thermal insulation cotton 5 is enclosed in the inner layer 1, the outer layer 4, and the ring Between the male end cap 2 and the annular female end cap 7, the annular male end cap 2 is provided with an external thread 3, the annular female end
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