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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AI-Extracted 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 existin...
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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.

Application Domain

Rigid pipes

Technology Topic

Architectural engineeringPipe fitting

Image

  • Stainless steel pipe fitting with spiral connecting pipes

Examples

  • Experimental program(2)

Example Embodiment

[0010] Example one:
[0011] A pipe fitting provided with a spiral connection pipe 3, the pipe fitting provided with the spiral connection pipe 3 includes an inner pipe 1 and an outer pipe 2 arranged outside the inner pipe 1. A connecting pipe 3 is provided on the outer wall of the inner pipe 1, and The connecting tube 3 spirally surrounds the outer wall of the inner tube 1; the inner side of the connecting tube 3 is connected to the inner tube 1, and the outer side of the connecting tube 3 is connected to the outer tube 2; the tube body is provided with a support tube, the support tube It includes an inner support tube 4 and an outer support tube 5 supported by the inner support tube 4; an 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 provided on the inner wall of the outer tube 2, and the outer support tube 5 spirally surrounds the inner wall of the outer tube 2 in the axial direction; between the outer edge of the inner support tube 4 and the inner edge of the outer support tube 5 is provided Support gap 6.

Example Embodiment

[0012] Embodiment two:
[0013] On the basis of Embodiment 1, as a more optimized solution, the connecting tube 3 is integrally formed with the inner tube 1 and the outer tube 2; the inner support tube 4 is integrally formed with the inner tube 1; the outer support tube 5 It is integrally formed with the outer tube 2.

PUM

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Description & Claims & Application Information

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