JPS62191987U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図乃至第１１図は本考案の実施例を示し、
第１図は管接続前、第２図は管接続後の部分断面
図、第３図乃至第５図は管受け壁部の実施例を示
す拡大断面図、第６図乃至第９図はスリーブの実
施例を示す図、第１０図、第１１図は環状凹溝を
示す図、第１２図は従来の管継手を示す図である
。 １…継手本体、２…袋ナツト、３…スリーブ、
４…蛇腹管、５…Ｏリング、１６…管受け壁部、
１３…凹溝、３２…突出部、３７…切割溝。 1 to 11 show embodiments of the present invention,
Figure 1 is a partial sectional view before pipe connection, Figure 2 is a partial sectional view after pipe connection, Figures 3 to 5 are enlarged sectional views showing examples of the pipe receiving wall, and Figures 6 to 9 are sleeves. FIG. 10 and FIG. 11 are diagrams showing an annular groove, and FIG. 12 is a diagram showing a conventional pipe joint. 1... Joint body, 2... Cap nut, 3... Sleeve,
4... Bellows tube, 5... O ring, 16... Pipe receiving wall,
13...concave groove, 32...projection, 37...cut groove.

Claims (1)

【実用新案登録請求の範囲】 １ 端部外周におねじ部を有し端部内周には孔の
内面に軸線方向の凹溝が形成されたスリーブを保
持する孔と、該孔の終端壁部には内周側に端部に
向つて僅かに突出する管受け壁部とを設けた継手
本体と、前記おねじ部に螺合する袋ナツトと、前
記袋ナツトの締付により前記孔に挿入されて継手
端部側から本体側に押圧される外面には前記凹溝
に係合する突出部と両端部外周には傾斜する面取
部と内面は被接続管の波形外周に係合する波形内
周面を備え、前記外面の一部を残して分割可能な
様に軸線方向の切割溝を設けたスリーブと、から
なることを特徴とする蛇腹管用管継手。 ２ 実用新案登録請求の範囲第１項記載において
、前記継手本体の孔の奥部にＯリングを保持する
環状溝を設け、該環状溝にＯリングを装着したこ
とを特徴とする蛇腹管用管継手。 ３ 実用新案登録請求の範囲第１項乃至第２項記
載において、前記継手本体の管受け壁部は端部に
向つて先細り状の環状突出部が形成されてなるこ
とを特徴とする蛇腹管用管継手。[Scope of Claim for Utility Model Registration] 1. A hole for holding a sleeve having a threaded portion on the outer periphery of the end and an axial groove formed on the inner surface of the hole on the inner periphery of the end, and a terminal end wall of the hole. The fitting body is provided with a pipe receiving wall portion that slightly protrudes toward the end on the inner peripheral side, a cap nut that is screwed into the male thread portion, and a cap nut that is inserted into the hole by tightening the cap nut. The outer surface that is pressed from the joint end side to the main body side has a protruding part that engages with the groove, the outer periphery of both ends has an inclined chamfered part, and the inner surface has a corrugated part that engages with the corrugated outer periphery of the pipe to be connected. A pipe joint for a bellows pipe, comprising: a sleeve having an inner circumferential surface, and a sleeve provided with an axial cut groove so that it can be divided leaving a part of the outer surface. 2 Utility Model Registration Scope of claim 1 A pipe joint for a bellows pipe, characterized in that an annular groove for holding an O-ring is provided in the inner part of the hole of the joint body, and the O-ring is mounted in the annular groove. . 3. The bellows pipe according to claims 1 and 2, wherein the pipe receiving wall of the joint body is formed with an annular protrusion that tapers toward the end. Fittings.