Non-sticky and anti-wear butt-welding flange pipe fitting
A flanged pipe fitting and butt welding technology, used in flange connections, pipes/pipe joints/pipes fittings, connecting components, etc., can solve the problems of easy accumulation of dust on the surface, difficult to clean, easy to wear threads, etc., and is not easy to fall off. , Not easy to accumulate dust, easy to clean up
Inactive Publication Date: 2017-10-27
江阴市云润机械厂
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Problems solved by technology
After the traditional flange pipe fittings are used for a period of time, the economical connection of the equipment or the pipe body is not firm, easy to loosen, the threads on the inner surface are easily worn, the bolts are not fastened tightly, and the surface is easy to accumulate dust, which is especially difficult to clean, which brings great harm to the workers. great inconvenience
Method used
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[0015] see figure 1 , a non-stick wear-resistant butt welding flange pipe fitting of the present invention, which includes a chassis 1 and a pipe body 2, the cross-sections of the chassis 1 and the pipe body 2 are circular, and the bottom of the pipe body 2 is welded to the chassis 1 At the inner diameter of , the chassis 1 is provided with a large through hole 1.1, the inner diameter of the pipe body 2 is provided with an internal thread 2.1, the surface of the internal thread 2.1 is provided with a wear-resistant layer, and the top of the outer wall of the pipe body 2 is provided with A flange 3 , a non-stick layer is provided on the surface of the flange 3 , and a groove 4 is provided between the flange 3 and the top of the pipe body 2 .
[0016] Groove 4 makes the connection of equipment or pipes more firm. After the internal thread 2.1 is provided with a wear-resistant layer on the surface, the bolt can be screwed tighter, and it is not easy to fall off. It will not wear ...
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The invention relates to a non-sticky and anti-wear butt-welding flange pipe fitting which comprises a chassis (1) and a pipe body (2), wherein cross sections of the chassis (1) and the pipe body (2) are annular; inner threads (2.1) are disposed on the inner diameter of the pipe body (2); an anti-wear layer is disposed on the surface of the inner threads (2.1); a flange (3) is disposed on the top end of the outer wall of the pipe body (2); a non-sticky layer is disposed on the surface of the flange (3); and a groove (4) is formed between the flange (3) and the top part of the pipe body (2). The non-sticky and anti-wear butt-welding flange pipe fitting provided by the invention has the advantages that connection between equipment and between pipe bodies is firmer; after setting of the anti-wear layer on the surface of the inner threads, bolts could be screwed more tightly and will not get separated easily, and the threads on the surface will not get worn easily after long-time use; dust and so forth are prevented from staying on the surface of the flange pipe fitting for a long time; dust is not accumulated easily; and cleaning is easy.
Description
technical field [0001] The invention relates to a flange pipe fitting, in particular to a non-stick wear-resistant butt welding flange pipe fitting. Background technique [0002] Flange fittings are generally installed between equipment and at the junction of pipe body and pipe body. Flange fittings are widely used in mechanical equipment. After the traditional flange pipe fittings are used for a period of time, the economical connection of the equipment or the pipe body is not firm, easy to loosen, the threads on the inner surface are easily worn, the bolts are not fastened tightly, and the surface is easy to accumulate dust, which is especially difficult to clean, which brings great harm to the workers. A great inconvenience. Contents of the invention [0003] The purpose of the present invention is to overcome the above disadvantages and provide a non-stick wear-resistant butt welding flange pipe fitting that is not easy to accumulate dust, is not easy to wear, and has...
Claims
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IPC IPC(8): F16L23/026F16L15/00F16L57/06F16L58/02F16B7/00
CPCF16L23/026F16B7/00F16L15/00F16L57/06F16L58/02
Inventor 张敏敏
Owner 江阴市云润机械厂