JPS61156780U

JPS61156780U -

Info

Publication number: JPS61156780U
Application number: JP3955585U
Authority: JP
Priority date: 1985-03-19
Filing date: 1985-03-19
Publication date: 1986-09-29

Description

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

第１図は本考案の実施例を示す管継手の要部断
面図、第２図は本考案の管継手に使用される緊締
部材の平面図、第３図は第２図の一部断面側面図
、第４図は別の実施例を示す第２図の一部断面側
面図、第５図は従来の埋設管用継手を示す一部断
面図である。１…継手本体、３…パツキン、４…主シール部
材、５…緊締部材、４１…パツキン、４２…突起
部、５１…後部パツキン、５４…食込みリング、
６１…袋ナツト。 Fig. 1 is a cross-sectional view of the main part of a pipe joint showing an embodiment of the present invention, Fig. 2 is a plan view of a tightening member used in the pipe joint of the present invention, and Fig. 3 is a partially sectional side view of Fig. 2. 4 are a partially sectional side view of FIG. 2 showing another embodiment, and FIG. 5 is a partially sectional view showing a conventional buried pipe joint. DESCRIPTION OF SYMBOLS 1... Joint body, 3... Packing, 4... Main seal member, 5... Tightening member, 41... Packing, 42... Projection part, 51... Rear packing, 54... Biting ring,
61... Fukuro Natsuto.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

端部内周側に外広がりの傾斜面を有す継手本体
と、継手本体の端部外周に形成した雄ねじに螺合
する雌ねじを一端に有し、内側中央部に軸線に直
角な押圧面部と該押圧面部より他端部側に向つて
順次ゆるやかにすぼまる傾斜面を有す袋ナツトと
、前記継手本体の端部と前記袋ナツトの段部との
間に収容されるリテーナが、前記継手本体の端部
内周側傾斜面と接続管の外周面とで形成される空
間に充填される断面楔状の弾性パツキンの外側に
設けた環状凹部に嵌入された主シール部材と、円
周上の１個所が切欠かれた環状部材の内面に複数
個の食込突起を有す食込みリングが前記袋ナツト
の傾斜内面外側に充填される後部パツキンと一体
化された緊締部材とよりなることを特徴とするパ
ツキン形管継手。 A joint body having an outwardly expanding sloping surface on the inner peripheral side of the end, a female thread at one end that engages with a male thread formed on the outer periphery of the end of the joint body, and a pressing surface perpendicular to the axis at the center of the inside. A cap nut having an inclined surface that gradually narrows from the pressing surface toward the other end, and a retainer accommodated between the end of the joint body and the step of the cap nut, A main seal member fitted into an annular recess provided on the outside of an elastic packing having a wedge-shaped cross section, which fills the space formed by the inner circumferential side inclined surface of the end of the main body and the outer circumferential surface of the connecting pipe; A biting ring having a plurality of biting protrusions on the inner surface of an annular member with notches formed therein comprises a tightening member integrated with a rear packing filled on the outside of the inclined inner surface of the cap nut. Packing type pipe fitting.