Water outlet elbow and manufacturing method thereof
A technology of elbows and water nozzles, which is applied to elbows, siphons, pipe components, etc., can solve the problems of many processing steps, increasing the difficulty of grinding and polishing, and high labor waste costs, reducing welding processes, saving screw fittings, The effect of reducing production costs
Inactive Publication Date: 2014-03-12
刘阳
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Problems solved by technology
Welding methods mainly include: wind welding, sub-arc welding, and laser welding. The disadvantages of these welding methods are as follows: First, the welding place between the welded screw teeth and the steel pipe cannot be 100% sealed and watertight. Second, there are many processing procedures and high cost of manpower waste; third, the weld marks on the welding parts are large and small, which increases the difficulty of grinding and polishing
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[0018] A water outlet elbow, comprising a pipe body 1 and threaded fittings 2 connected to the inner sides of both ends of the pipe body 1, the inner side of the threaded fittings 2 is tapped with threads 3, and the threaded fittings 2 are flanges at the ends of the pipe body, It is a part of the pipe body, which is processed into an inward-turned tensile structure with the raw materials of the metal pipe mouth. The outer diameter of the pipe mouth is the same as that of other parts of the pipe body, and the inner diameter of the screw fittings in the pipe mouth is smaller than that of other parts of the pipe body. the inside diameter of. The connection between the screw fittings and the pipe body will never leak, and the sealing performance is good. In terms of manpower: the pipes to be welded to the pipe must first be smooth and round, then solder paste, assembly parts, and finally welded, and the formed thread parts for welding must be made of additional materials and machi...
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The invention discloses a water outlet elbow and a manufacturing method thereof. The water outlet elbow comprises an elbow body and threaded parts connected to the inner sides of the two ends of the elbow body. Threads are tapped on the inner sides of the threaded parts, the threaded parts serve as flanges of the ends of the elbow body and a part of the elbow body, and the threaded parts are processed to be of an inward-turning tensile structure through raw materials of a pipe orifice of a metal pipe. According to the water outlet elbow and the manufacturing method of the water outlet elbow, the sealing performance of the connecting positions of the elbow body and the threaded parts is good, and the water outlet elbow has the advantages of being low in polishing difficulty, simple in processing technology, capable of effectively saving labor and low in production cost.
Description
technical field [0001] The invention relates to a sanitary fitting, in particular to a water outlet elbow. Background technique [0002] The existing water outlet elbow is mainly formed by bending a circular pipe, and the two ends of the elbow are connected with other parts through the thread inside it. The thread of the above-mentioned bent pipe is formed by welding a threaded fitting on the inner side of the two ends of the bent pipe. Welding methods mainly include: wind welding, sub-arc welding, and laser welding. The disadvantages of these welding methods are as follows: First, the welding place between the welded screw teeth and the steel pipe cannot be 100% sealed and watertight. Second, there are many processing steps and high cost of manpower waste; third, the weld marks on the welding parts are large and small, which increases the difficulty of grinding and polishing. Contents of the invention [0003] In order to overcome the above existing problems, the object...
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Patent Timeline
Login to View More IPC IPC(8): F16L15/04
CPCF16L43/001B23P15/00F16L15/04
Inventor 刘阳
Owner 刘阳