Square corrugated pipe
A bellows, square technology, applied in the direction of hoses, pipes, pipes/pipe joints/fittings, etc., can solve the problems of increasing vacuum capacity configuration, reducing space utilization, large single wave stiffness, etc., and reducing vacuum capacity. The effect of configuration, improving space utilization, and high pressure bearing capacity
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[0021] see figure 2 and image 3 As shown, the present invention includes a bellows 4 , a positioning screw 1 and a nut 2 . The corrugated tube 4 has a square tube hole, and is a thin-walled tube formed by pressing a stainless steel plate with a wall thickness of 0.3-0.6 mm. The surrounding walls of the tube are provided with equidistant corrugated protrusions, the wave height of which is less than or equal to 10 mm, and both ends are welded respectively. Connection flange 3 with the same pipe hole. A T-shaped rib 5 is embedded in the inner wave valley of the corrugated tube 4. The T-shaped rib 5 has a straight part and a transverse part. Relying on, there is a gap between the wave valley where the T-shaped struts 5 are arranged and the T-shaped struts 5, so it does not affect its axial expansion and contraction; and it is advisable to set a T-shaped strut 5 every 3 to 6 waves. The corrugations between the T-shaped struts 5 can realize lateral displacement compensation and...
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