Limited lead swirl vane cone base
A technology of swirl vanes and cones, applied in the field of limited lead swirl vane cone bases, can solve the problems of drainage noise and water pressure fluctuations affecting drainage efficiency, reducing the cross-sectional area of air columns, and destroying the smoothness of the drainage water flow and water film. structural issues
Active Publication Date: 2016-05-11
沈阳九日实业有限公司
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Problems solved by technology
However, due to the unreasonable configuration data of the previous design lead of the swirl blade and the angle configuration of the base cone, the lateral component force generated by the downflow on the swirl blade is relatively large, which will seriously damage the smooth structure of the downflow water film, making the Water air masses are generated in the discharge water flow, resulting in the reduction of the cross-sectional area of the air column that should be formed in the middle of the drainage, which affects the effective improvement of drainage efficiency and the technical effect of reducing drainage noise and water pressure fluctuations, and cannot meet the high water flow and water pressure fluctuations of modern building drainage. small technical requirements
Method used
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Embodiment
[0012] Embodiment: The present invention is made of PVC material; the upper interface 1 is a socket, the diameter of the outer cylindrical surface is 176 mm, the height is 19.5 mm, the width of the inner socket 2 is 3.35 mm, the height of the inner edge is 6 mm, and the diameter of the inner cylindrical surface 3 is 157.6 mm. The height is 20mm; the inner axial angle of the cone 4 is 7.64 degrees, the width of the annular groove 5 is 4.8mm, and the height is 1.5mm, and the thickness of the cone 4 at the bottom of the annular groove is 4mm; the lead value of the swirl blade 6 is S=480mm; The height of the interface 7 cylinder is 48mm, the outer diameter is 118.6mm, and the inner diameter is 110mm; there are 5 swirl blades 6, the inner diameter between the blades is 93mm, the total height of the swirl blades is 196mm, and the arc curvature of the upper edge of the swirl blades starts at 45 degrees The slope transitions tangentially through a 50 mm radius circle.
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The invention discloses a lead limiting swirl vane type cone base for a drainage tee joint. The lead limiting swirl vane type cone base is composed of an upper connector, a lower connector, a cone body and a swirl vane. The lower connector is in a cylindrical shape, the included angle in the axial direction on the inner side of the cone body ranges from 5 degrees to 10 degrees, and the lead value S of the swirl vane in the cone body ranges from 470 to 540 relative to a drainage tee joint with the diameter of 110 mm. Due to the fact that the lead, the swirl vane and the cone body angle are reasonably arranged, the drainage tee joint provided with the lead limiting swirl vane type cone base has the significant advantages of being high in flow capacity and small in water pressure fluctuation.
Description
technical field [0001] Disclosed is a three-purpose limited-lead swirl vane-type cone base for drainage. Background technique [0002] The drainage tee is a drainage riser system component used in building drainage pipes. It is not only used frequently, but also used in large quantities. It is an indispensable and important technical link in the modern building drainage system. [0003] In order to improve the drainage efficiency and the manufacturing process requirements of pipe fittings, the main structural part of the drainage tee is usually composed of two parts: the upper cylinder with branch pipes and the cone base with swirl blades. [0004] In the past, the inventor of this application once had a prior patent application for "multi-pass pipe fitting with swirl vanes", and has obtained the invention patent granted by the Intellectual Property Office of the People's Republic of China. [0005] "Multi-way fitting with swirl vanes" has a conical base cavity with swirl v...
Claims
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IPC IPC(8): F16L41/00F16L55/02
CPCE03C1/122E03C2201/60F15D1/0015
Inventor 姜成旭刘永郑凤万
Owner 沈阳九日实业有限公司