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Pipe connecting structure and method and air conditioning unit pipe assembly

A technology for connecting structures and air-conditioning units, which is applied in the direction of non-removable pipe connections, pipes/pipe joints/pipes, mechanical equipment, etc. Reliability and durability, effect of enhanced weld strength

Active Publication Date: 2017-04-05
XINCHANG COUNTY SITONG ELECTRICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the different materials, after welding, the welding strength between the aluminum pipe fitting and the transition pipe is low, which affects the reliability of the connection between the aluminum pipe fitting and the copper pipe fitting

Method used

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  • Pipe connecting structure and method and air conditioning unit pipe assembly
  • Pipe connecting structure and method and air conditioning unit pipe assembly
  • Pipe connecting structure and method and air conditioning unit pipe assembly

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Experimental program
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Embodiment Construction

[0037] The core of the present invention is to provide a pipe connection structure, which is applied to the welding and fixing of two pipe fittings of different materials, which can improve the welding strength of the joint parts of the two pipe fittings and ensure the reliability and durability of the connection of the two pipe fittings. Another core of the present invention is to provide a pipeline connection method and a pipeline assembly of an air-conditioning unit including the above-mentioned pipeline connection structure.

[0038] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] It should be noted here that the connecting ends of the first pipe and the second pipe referred to herein refer to the interconnected ends of the two pipes.

[0040] For ease of understanding and br...

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PUM

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Abstract

The invention discloses a pipe connecting structure. The pipe connecting structure comprises a first pipe fitting and a second pipe fitting which are made of different metal materials. The pipe connecting structure further comprises a bushing which is made of the same metal material as the first pipe fitting. The connecting ends of the bushing and the second pipe fitting and the connecting end of the first pipe fitting are sequentially arranged in a sleeving mode and are fixedly welded. A plurality of through openings are formed in the pipe wall of the connecting end of the second pipe fitting in the circumferential direction so that welding flux can circulate in the welding process. The pipe connecting structure is applied to fixed welding of the pipe fittings made of the two different materials, welding strength of the connecting position of the two pipe fittings can be improved, and connecting reliability and durability of the two pipe fittings are guaranteed. In addition, the invention discloses a pipe connecting method and an air conditioning unit pipe assembly with the pipe connecting structure.

Description

technical field [0001] The present invention relates to the technical field of pipeline connection, in particular to a pipeline connection structure and method, and also relates to a pipeline assembly of an air-conditioning unit having the aforementioned pipeline connection structure. Background technique [0002] At present, in the market, air conditioners basically use copper pipes as connecting pipes to connect with external pipes. In order to save costs, most of the external pipes are made of aluminum. [0003] Due to the large potential difference between aluminum and copper, if the copper pipe fittings and aluminum pipe fittings are directly welded, galvanic corrosion is likely to occur at the welding place due to the large potential difference between the two. In order to avoid this phenomenon, the current method is to A transition pipe made of stainless steel or carbon steel is added between the aluminum pipe fittings and the copper pipe fittings. By setting the tran...

Claims

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Application Information

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IPC IPC(8): F16L13/007
CPCF16L13/007
Inventor 不公告发明人
Owner XINCHANG COUNTY SITONG ELECTRICAL CO LTD
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