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Stainless steel pipe fitting with spiral connecting pipes

A technology of screw connection and connection of pipes, applied in the direction of pipes/pipe joints/fittings, pipes, rigid pipes, etc., can solve the problems of increasing wall thickness, heavy weight, sacrificing weight, etc., to achieve weight reduction, pipe wall thickness reduction, Guaranteed strength

Inactive Publication Date: 2016-08-24
宋正兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing equipment requires pipe fittings to be able to bear a large weight and not be too bulky, which poses new challenges to pipe fittings
The existing pipe fittings are hollow pipes. If the strength is pursued, the wall thickness needs to be increased, but in this case, the weight will be sacrificed.

Method used

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  • Stainless steel pipe fitting with spiral connecting pipes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A pipe fitting provided with a spiral connecting pipe 3, the pipe fitting provided with a spiral connecting pipe 3 includes an inner pipe 1 and an outer pipe 2 arranged outside the inner pipe 1, the outer wall of the inner pipe 1 is provided with a connecting pipe 3, The connecting pipe 3 spirally surrounds the outer wall of the inner pipe 1; the inner side of the connecting pipe 3 is connected with the inner pipe 1, and the outer side of the connecting pipe 3 is connected with the outer pipe 2; a support pipe is arranged in the pipe body, and the support pipe It includes an inner support tube 4 and an outer support tube 5 supported by the inner support tube 4; the inner support tube 4 is provided on the outer wall of the inner tube 1, and the inner support tube 4 spirally surrounds the outer wall of the inner tube 1 in the axial direction; An outer support tube 5 is arranged on the inner wall of the outer tube 2, and the outer support tube 5 spirally surrounds the inner...

Embodiment 2

[0013] On the basis of Embodiment 1, as a more optimized solution, the connecting pipe 3 is integrally formed with the inner pipe 1 and the outer pipe 2; the inner support pipe 4 is integrally formed with the inner pipe 1; the outer support pipe 5 Formed integrally with the outer tube 2.

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PUM

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Abstract

The invention discloses a stainless steel pipe fitting with spiral connecting pipes. The stainless steel pipe fitting with the spiral connecting pipes comprises an inner pipe and an outer pipe arranged outside the inner pipe, wherein connecting pipes are arranged on the outer wall of the inner pipe and spirally surround the outer wall of the inner pipe; the inner sides of the connecting pipes are connected with the inner pipe; the outer sides of the connecting pipes are connected with the outer pipe; supporting pipes are arranged in a pipe body; each supporting pipe is composed of an inner supporting pipe and an outer supporting pipe which carries out support matching with the corresponding inner supporting pipe; the inner supporting pipes are arranged on the outer wall of the inner pipe and spirally surround the outer wall of the inner pipe in the axial direction; the outer supporting pipes are arranged on the inner wall of the outer pipe and spirally surround the inner wall of the outer pipe in the axial direction; and a supporting interval is formed between the outer edge of each inner supporting pipe and the inner edge of the corresponding outer supporting pipe. According to the stainless steel pipe fitting with the spiral connecting pipes, by arranging the inner pipe in the outer pipe and connecting and fixing the inner pipe and the outer pipe together through a certain structure, the thickness of the pipe wall is lowered, and the strength can also be ensured when the weight is lightened.

Description

technical field [0001] The invention relates to a stainless steel pipe fitting provided with a spiral connecting pipe. Background technique [0002] In sewage treatment equipment, pipe fittings are an indispensable part. Existing equipment requires pipe fittings to be able to bear a large weight and not be too bulky. Such requirements pose new challenges to pipe fittings. The existing pipe fittings are hollow pipes. If the strength is pursued, the wall thickness needs to be increased, but the weight is sacrificed in this way. How to find a perfect technical solution between strength and weight has become a problem in the technical field of the industry. Contents of the invention [0003] The object of the present invention is to overcome the defects in the prior art and provide a pipe fitting with good strength and light weight provided with a spiral connecting pipe. [0004] In order to achieve the above object, the technical solution of the present invention is to pro...

Claims

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Application Information

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IPC IPC(8): F16L9/18F16L9/16
Inventor 宋正兴
Owner 宋正兴
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