Linear profile winding type ventilation pipe
A winding and ventilating pipe technology, applied in the direction of rigid pipes, pipes, pipes/pipe joints/pipe fittings, etc., can solve the problems of poor manufacturability, high cost, inconvenience, etc., and achieve the effect of simple and convenient forming, simple structure and good positioning
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[0021] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:
[0022] Such as Figure 1~4 As shown, the present invention mainly includes a telescopic pipe body 2 capable of axial expansion and contraction and pipe joints 1 connected to both ends of the telescopic pipe body 2 .
[0023] The telescopic pipe body 2 includes a plurality of branch pipe bodies 3, which are sequentially connected end to end into one body, and the distance between every two branch pipe bodies 3 can be adjusted axially.
[0024] Such as image 3 As shown, the branch pipe body 3 includes a head pipe body 4 and a tail pipe body 5 connected front and back as one, and the outer surface of the head pipe body 4 is provided with a plurality of ring-shaped head outer teeth 6, a plurality of The external occlusal teeth 6 of the head are evenly distributed along the length direction. The inner surface of the head tube body 4 is provided with a p...
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