JPH0171294U - - Google Patents
Info
- Publication number
- JPH0171294U JPH0171294U JP1987167766U JP16776687U JPH0171294U JP H0171294 U JPH0171294 U JP H0171294U JP 1987167766 U JP1987167766 U JP 1987167766U JP 16776687 U JP16776687 U JP 16776687U JP H0171294 U JPH0171294 U JP H0171294U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical portion
- tube
- plastic
- circumferential surface
- cylindrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
第１図の切断面線―から見た断面図、第３図
は第１図に示された接合状態を達成する工程を説
明するための断面図、第４図は先行技術の断面図
である。
１１……プラスチツク管、１２……ステイフナ
、１３……継手本体、１４……挿入孔、１５……
筒部、１６……鋸歯状突起、１８……Ｏリング、
１９……押えリング、２０……筒部１５の外周面
、２１……押えリング１９の内周面。
Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a sectional view taken along the cutting plane line in Fig. 1, and Fig. 3 shows the process of achieving the bonded state shown in Fig. 1. A cross-sectional view for explanation, FIG. 4 is a cross-sectional view of the prior art. 11... Plastic pipe, 12... Stiffener, 13... Joint body, 14... Insertion hole, 15...
Cylinder part, 16... Serrated projection, 18... O ring,
19... Presser ring, 20... Outer circumferential surface of cylindrical portion 15, 21... Inner circumferential surface of presser ring 19.
Claims (1)
された筒部を有し、この挿入孔の内面には、プラ
スチツク管の引抜き阻止力を発生するための鋸歯
状の突起が形成される継手本体と、 プラスチツク管内に挿入され、前記筒部に対応
した位置に配置される剛性の筒状ステイフナと、 筒部を外囲し、塑性変形させて筒部を半径方向
内方へ締付ける押えリングとを含むことを特徴と
するプラスチツク管用管継手。 (2) 前記筒部の外周面は、管軸方向外方に向け
て小径となるように傾斜して形成され、前記筒部
外周面に当接する押えリングの内周面は、管軸方
向外方に向けて小径となるように傾斜して形成さ
れていることを特徴とする実用新案登録請求の範
囲第１項記載のプラスチツク管用管継手。[Claims for Utility Model Registration] (1) It has a cylindrical part with an insertion hole into which a plastic tube is inserted, and the inner surface of this insertion hole has serrations to generate a force to prevent the plastic tube from being pulled out. a rigid cylindrical stiffener inserted into the plastic pipe and placed at a position corresponding to the cylindrical portion; and a rigid cylindrical stiffener that surrounds the cylindrical portion and plastically deforms the cylindrical portion in a radial direction. A pipe joint for a plastic pipe, comprising a retaining ring that tightens inward. (2) The outer circumferential surface of the cylindrical portion is formed so as to be inclined outward in the axial direction of the tube, and the inner circumferential surface of the retaining ring that comes into contact with the outer circumferential surface of the cylindrical portion is inclined outward in the axial direction of the tube. A pipe joint for a plastic pipe according to claim 1, characterized in that the pipe joint for a plastic pipe is formed so as to be inclined so that the diameter becomes smaller in the direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167766U JPH0171294U (en) | 1987-10-31 | 1987-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167766U JPH0171294U (en) | 1987-10-31 | 1987-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171294U true JPH0171294U (en) | 1989-05-12 |
Family
ID=31456355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167766U Pending JPH0171294U (en) | 1987-10-31 | 1987-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171294U (en) |
-
1987
- 1987-10-31 JP JP1987167766U patent/JPH0171294U/ja active Pending
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