JPS60137294U

JPS60137294U - piping fittings

Info

Publication number: JPS60137294U
Application number: JP2451284U
Authority: JP
Inventors: 英一橋本; 當範武曽
Original assignee: 株式会社日立製作所
Priority date: 1984-02-24
Filing date: 1984-02-24
Publication date: 1985-09-11

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のユニオン・ナツト方式による継手構造図
、第２図は従来のロウ付は又は溶接無しの継手構造図、
第３図は本考案の実施例を示す継手構造図、第４図は他
の実施例を示す継手構造図である。１・・・配管、１ａ・・・凸部、１ｂ・・・挿入部、２
・・・配管、２ａ・・・拡管部、２ｂ・・・シール用溝
部、２ｃ・・・突き当て部、２ｄ・・・凸部、２ｅ・・
・挿入部、２ｆ・・・先端部、３・・・ナツト、４・・
・ユニオン、４ａ・・・シール用溝部、４ｂ・・・拡管
用溝部、４ｃ・・・シール用溝部。Figure 1 is a structural diagram of a conventional union nut type joint, Figure 2 is a structural diagram of a conventional joint with brazing or without welding,
FIG. 3 is a structural diagram of a joint showing an embodiment of the present invention, and FIG. 4 is a structural diagram of a joint showing another embodiment. 1... Piping, 1a... Convex part, 1b... Insertion part, 2
...Piping, 2a...Pipe expansion part, 2b...Seal groove part, 2c...Abutting part, 2d...Convex part, 2e...
・Insertion part, 2f...Tip part, 3...Nut, 4...
- Union, 4a...Seal groove, 4b...Tube expansion groove, 4c...Seal groove.

Claims

[Claims for Utility Model Registration] 1. In a pipe joint that airtightly fixes a pipe and a connecting joint member having means for connecting to another pipe, the inner periphery of the connecting joint member and the outer periphery of the pipe inserted into the connecting member. A piping joint characterized in that it has means for fixing the connecting joint member and the piping together with a sealing member. 2. A piping joint characterized by using an O-ring for the vane member. 3 In claim 1 of the utility model registration claim, as a means for fixing the connecting member and the pipe, a convex part is formed on the circumference of the pipe, and the tip of the pipe C] is expanded, and the convex part A piping joint characterized by sandwiching and fixing a connecting joint member between the pipe expansion part and the pipe expansion part. 4 Utility Model Registration Claim Paragraph 1 is characterized in that as a means for fixing the connecting member and the pipe, a convex part is provided inside the connecting joint member, and a part of the pipe is expanded and fixed to the convex part. Piping fittings.