Novel metal corrugated pipe
A technology of metal bellows and bellows, which is applied in the direction of hose connection devices, pipes/pipe joints/fittings, mechanical equipment, etc., can solve the problems of unsightly product appearance, change of welding surface material, complicated processing technology, etc., and achieve structural Simple, solder-free, and easy-to-manufacture effects
Inactive Publication Date: 2013-12-11
HAIAN RONGSHENG MACHINERY MAKE
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Problems solved by technology
This kind of processing technology is relatively complicated, the welding operation has high technical requirements for workers, and the manufacturing is difficult. Even if the welding operation fully meets the standard, it is necessary to turn, grind or polish the welding surface, and the shape of the product obtained in this way will still appear insufficient. Aesthetic phenomenon, the material of the welding surface changes, easy to rust
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[0009] Such as figure 1 As shown, the new metal bellows includes a bellows 1 and an active joint 2 connected to the end of the bellows 1, the internal thread of the active joint 2 is tightly screwed with the bellows 1, and the bellows 1 The outer side is sequentially sleeved with a rubber hose 3 and a net sleeve 4 , the connection between the net sleeve 4 and the movable joint 2 is provided with a net sleeve compression ring 5 , and the outer end of the movable joint 2 is screwed with the outer tapered pipe 6 . Among them, the bellows is a metal bellows. In this embodiment, the internal thread connection of the movable joint is used, which is not only convenient and fast, but also reliable, stable, free of welding, and not easy to rust. The corrugated pipe is more convenient to connect with the pipeline and easy to install; in addition, on the outside of the corrugated pipe, the rubber pipe and the net sleeve are sequentially used. Damaged, which makes the bellows resistant t...
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The invention relates to the technical field of corrugated pipe equipment, and particularly relates to a novel metal corrugated pipe. The novel metal corrugated pipe comprises a corrugated pipe body, and a movable jointed connected with the end part of the corrugated pipe body, wherein an internal thread of the movable joint is tightly screwed with the corrugated pipe body; a rubber pipe and a net cover are orderly sleeved at the outer side of the corrugated pipe body; a net cover pressing ring is arranged at the joint of the net cover and the movable joint; the outer end part of the movable joint is screwed with an outer taper pipe. By adopting the structure, the novel metal corrugated pipe is connected by using the movable joint, is not only convenient and fast, but also reliable, stable, and free of welding or easily rusting. In addition, the novel metal corrugated pipe has the characteristics of being simple in structure, convenient to manufacture, low in cost, long in service life and the like.
Description
technical field [0001] The invention relates to the technical field of bellows equipment, in particular to a novel metal bellows. Background technique [0002] At present, the existing metal bellows generally include a bellows, a net sleeve and a joint. The outer surface of the bellows is wrapped with a metal net sleeve, and the end of the bellows is provided with a joint. At present, the end of the existing corrugated pipe and the joint are usually connected by welding, and then the welded part is processed by turning or grinding. This kind of processing technology is relatively complicated, the welding operation has high technical requirements for workers, and the manufacturing is difficult. Even if the welding operation fully meets the standard, it is necessary to turn, grind or polish the welding surface, and the shape of the product obtained in this way will still appear insufficient. The phenomenon of aesthetics, the material of the welding surface changes, and it is ...
Claims
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IPC IPC(8): F16L33/26
Inventor 李章永
Owner HAIAN RONGSHENG MACHINERY MAKE