Metal corrugated hose end connecting structure capable of avoiding torsion and metal corrugated hose
A technology for metal corrugated pipes and corrugated hoses, which is used in hose connection devices, pipes/pipe joints/pipes, mechanical equipment, etc., can solve problems such as low installation efficiency, inability to manufacture, and rupture and leakage of metal corrugated hoses. Achieve the effect of avoiding breakage and increasing the number of weld passes
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[0026] Embodiment 1: as image 3 As shown, the joint chamfering length is 12mm, the joint chamfering angle is 4 degrees, the diameter after chamfering is about 53.3mm, the inner circle chamfering hex nut 2 has a thickness of 10mm, and the diameter of the nut chamfering is increased by 0.2mm, that is 53.5mm, nut chamfer 3 degrees, can achieve interference fit through tooling. After the mating is completed, the end of the thin-walled end 7 of the joint will exceed the end face of the inner chamfered hexagonal nut 2, and the excess part and the ring 3 can be welded on one side and double-sided forming, and will not be welded to the inner rounded hexagonal nut 2 during welding. The seam also acts as an anchor point for the hex nut.
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