JPH01119993U - - Google Patents

Description

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

第１図は本考案の一実施例による管継手により
コルゲート管を接続する状態を示す一部断面正面
図であり、第２図は第１図の管継手によりコルゲ
ート管を接続後の状態を示す一部断面正面図、第
３図はスリーブの側面図であり、第４図と第５図
は従来例を示す部分断面正面図であり、第６図は
スリーブと電気絶縁部材との別の実施例を示す断
面図である。 １……継手本体、２……袋ナツト、３……スリ
ーブ、４……コルゲート管、５……パツキン、１
１……前端側面、６，７，８，９……電気絶縁部
材、１６……連通孔、１７……孔、１８……管受
け壁部、２１……内側面、２４……内面、３１…
…フランジ、３２……波形内面。 Fig. 1 is a partially sectional front view showing a state in which corrugated pipes are connected by a pipe joint according to an embodiment of the present invention, and Fig. 2 shows a state after corrugated pipes are connected by the pipe joint shown in Fig. 1. FIG. 3 is a side view of the sleeve, FIGS. 4 and 5 are front views of a conventional example, and FIG. 6 is a front view of a sleeve and an electrically insulating member. It is a sectional view showing an example. 1... Joint body, 2... Cap nut, 3... Sleeve, 4... Corrugated pipe, 5... Packing, 1
DESCRIPTION OF SYMBOLS 1... Front end side surface, 6, 7, 8, 9... Electrical insulating member, 16... Communication hole, 17... Hole, 18... Tube receiving wall, 21... Inner surface, 24... Inner surface, 31 …
...flange, 32...corrugated inner surface.

Claims (1)

【実用新案登録請求の範囲】 (1) コルゲート管の外面に係合する波形内面を
有し軸線方向に少くも一個の切割りを設けてコル
ゲート管に装着可能にしたスリーブと、該スリー
ブの後部側壁に係合する内側面を有する鍔を後端
の内側に設け前部にはめねじを有する袋ナツトと
、該袋ナツトのめねじに螺合するおねじと前記ス
リーブの前部を嵌入する孔とを前部に設け後部に
は前記孔よりも小径の連通孔を設けて管受け壁部
を形成した継手本体とからなり、前記スリーブの
前端より突出したコルゲート管を前記スリーブの
前端面と前記継手本体の管受け壁部との間で圧着
して接続するコルゲート管接続用の管継手におい
て、前記継手本体の管受け壁部に電気的絶縁性能
とシール性能とを兼ね備えたリング状のパツキン
を装着し、前記継手本体の孔の内面と前記袋ナツ
トの鍔の内側面とに電気絶縁部材を装着したこと
を特徴とするコルゲート管接続用絶縁管継手。 (2) 実用新案登録請求の範囲第１項記載におい
て、前記継手本体の前端側面と前記袋ナツトのめ
ねじより奥側内面とに更に電気絶縁部材を装着し
たことを特徴とするコルゲート管接続用絶縁管継
手。[Claims for Utility Model Registration] (1) A sleeve that has a corrugated inner surface that engages with the outer surface of a corrugated pipe and has at least one cut in the axial direction so that it can be attached to the corrugated pipe, and the rear part of the sleeve. A cap nut with a collar on the inside of the rear end having an inner surface that engages with the side wall and a female thread on the front part, an external thread that is screwed into the female thread of the cap nut, and a hole into which the front part of the sleeve is fitted. and a joint body having a communicating hole smaller in diameter than the hole in the rear part to form a pipe receiving wall, and a corrugated pipe protruding from the front end of the sleeve is connected to the front end surface of the sleeve and the joint body. In a pipe joint for corrugated pipe connection that is connected by crimping between the pipe receiving wall of the joint body, a ring-shaped packing having both electrical insulation performance and sealing performance is provided on the pipe receiving wall of the joint body. An insulated pipe joint for corrugated pipe connection, characterized in that an electrically insulating member is mounted on the inner surface of the hole of the joint body and the inner surface of the collar of the cap nut. (2) The corrugated pipe connection according to claim 1, characterized in that an electrically insulating member is further attached to the front end side surface of the joint body and the inner surface of the cap nut on the back side from the female thread. Insulated pipe fittings.