JPH0960771A - Release preventing ring for pipe joint - Google Patents
Release preventing ring for pipe jointInfo
- Publication number
- JPH0960771A JPH0960771A JP21457195A JP21457195A JPH0960771A JP H0960771 A JPH0960771 A JP H0960771A JP 21457195 A JP21457195 A JP 21457195A JP 21457195 A JP21457195 A JP 21457195A JP H0960771 A JPH0960771 A JP H0960771A
- Authority
- JP
- Japan
- Prior art keywords
- pipe joint
- slip
- prevention ring
- pipe
- ring
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/092—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
- F16L37/0925—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector with rings which bite into the wall of the pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、管継手等の受口
に、合成樹脂管、鋼管、ライルング鋼管等の挿口を挿着
する際に、挿口の受口内から抜けを防止する管継手用抜
け防止リングに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe joint for preventing a synthetic resin pipe, a steel pipe, a Lyling steel pipe or the like from coming out from the inside of the receiving port when the insertion port of the synthetic resin pipe, the steel pipe, the Lyling steel pipe or the like is inserted into the receiving port. The present invention relates to an omission prevention ring.
【０００２】[0002]
【従来の技術】従来、管継手等の受口内からの管の挿口
を抜け出さないようにする手段としては、例えば、実公
昭５８─５１４８８号公報に記載され、図５に図示する
如く、傾斜内面ａと、これに接触可能に各リング状部材
ｂに形成の外面との間の楔作用に伴って、各リング状部
材ｂ内周面に形成した突起を接続管ｃ外周面に喰い込ま
せて抜止めを行うタイプの抜止め具が知られている。2. Description of the Related Art Conventionally, as a means for preventing the insertion of a pipe from the inside of a receptacle such as a pipe joint, it is described in, for example, Japanese Utility Model Publication No. 58-51488, and as shown in FIG. The protrusion formed on the inner peripheral surface of each ring-shaped member b is caused to bite into the outer peripheral surface of the connection pipe c due to the wedge action between the inner surface a and the outer surface formed on each ring-shaped member b so as to be able to contact the inner surface a. There is known a retaining device of a type that prevents it from being pulled out.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、従来
は、リング内周面の突起を形成するための溝切り切削加
工が必要なため、製造に時間がかかり、生産性が悪く、
コストが大幅に高くなるという問題がある。However, conventionally, since it is necessary to perform a grooving cutting process for forming protrusions on the inner peripheral surface of the ring, it takes a long time to manufacture and the productivity is low,
There is a problem that the cost is significantly increased.
【０００４】本発明は、上記の如き従来の問題点を解消
し、受口内に挿着された挿口の抜け防止性能に優れ、且
つ、製作が容易で、生産性がよく、安価な管継手用抜け
防止リングを提供することを目的としてなされたもので
ある。The present invention solves the above-mentioned problems of the prior art, is excellent in the prevention performance of the insertion opening inserted into the receiving opening, is easy to manufacture, has good productivity, and is an inexpensive pipe joint. It was made for the purpose of providing a slip-out prevention ring.
【０００５】[0005]
【課題を解決するための手段】本願の請求項１の発明
（以下、発明１という）は、管継手の内周面に傾斜面を
有する凹溝が周方向に設けられており、該凹溝に装着さ
れる管継手用抜け防止リングであって、内周面に多数の
突起が設けられた内面帯状体と、該内面帯状体の一端部
から屈曲されて上記傾斜面と接する外面傾斜部と、から
なる管継手用抜け防止リングである。According to the invention of claim 1 of the present application (hereinafter referred to as invention 1), a groove having an inclined surface is provided in an inner peripheral surface of a pipe joint in the circumferential direction, and the groove is formed. A slip-off prevention ring for a pipe joint, wherein the inner surface strip is provided with a large number of protrusions on its inner peripheral surface; and an outer surface sloped portion that is bent from one end of the inner surface strip and contacts the inclined surface. Is a disconnection prevention ring for pipe fittings.
【０００６】本願の請求項２の発明（以下、発明２とい
う）は、管継手の内周面に傾斜面を有する凹溝が周方向
に設けられており、該凹溝に装着される管継手用抜け防
止リングであって、内周面に多数の突起が設けられた内
面帯状体と、該内面帯状体の一端部から屈曲されて上記
傾斜面と接する外面傾斜部と、該内面帯状体の他端部か
ら屈曲される鍔部と、該外面傾斜部の先端部から該鍔部
の基端部内側面に向けて屈曲される外面逆傾斜部と、か
らなる管継手用抜け防止リングである。According to the invention of claim 2 of the present application (hereinafter referred to as invention 2), a recessed groove having an inclined surface is provided in the inner peripheral surface of the pipe joint in the circumferential direction, and the pipe joint mounted in the recessed groove. A slip-out prevention ring, wherein an inner surface band-shaped body having a large number of protrusions on its inner peripheral surface, an outer surface inclined portion which is bent from one end of the inner surface belt-shaped body and contacts the inclined surface, and the inner surface belt-shaped body A slip prevention ring for a pipe joint, comprising: a flange portion that is bent from the other end portion; and an outer surface reverse inclined portion that is bent from a tip portion of the outer surface inclined portion toward an inner surface of a proximal end portion of the collar portion.
【０００７】本願の請求項３の発明（以下、発明２とい
う）は、本発明１または本発明２の多数の突起が、内面
帯状体をパンチで穿孔して形成したバリである管継手用
抜け防止リングである。The invention according to claim 3 of the present application (hereinafter referred to as the invention 2) is a dropout for a pipe joint, in which a large number of protrusions of the invention 1 or the invention 2 are burrs formed by punching the inner surface strip with a punch. It is a prevention ring.
【０００８】本発明１〜本発明３（以下、併せて本発明
という）において、管継手用抜け防止リングを形成する
材料としては、例えば、受口内に挿着される挿口を形成
する材質が合成樹脂である場合には、ステンレス、鉄、
銅、アルミニウム、エンジニアリングプラスチック等が
挙げられるが、挿口を形成する材質が、鋳鉄の場合に
は、ステンレス、鉄、銅、アルミニウム等が挙げられ
る。管継手用抜け防止リングが流体で濡れる可能性があ
る場合には、錆にくく、耐蝕性のよいステンレスやアル
ミニウム等を選択すべきである。In the present invention 1 to invention 3 (hereinafter collectively referred to as the present invention), as a material for forming the slip-out preventing ring for a pipe joint, for example, a material for forming an insertion opening to be inserted into a receiving opening is used. If it is a synthetic resin, stainless steel, iron,
Examples of the material include copper, aluminum, and engineering plastics. When the material forming the insertion opening is cast iron, examples include stainless steel, iron, copper, aluminum, and the like. If there is a possibility that the slip-prevention ring for pipe fittings may get wet with fluid, stainless steel, aluminum, etc., which are resistant to rust and have good corrosion resistance, should be selected.
【０００９】管継手用抜け防止リングを形成する材料の
厚さはしては、管継手用抜け防止リングの材質や口径に
より変わってくるが、例えば、材質が鉄で口径が１００
Ａの内外面樹脂ライニング鋼管用の管継手用抜け防止リ
ングの金属板厚さは約１．５ｍｍ前後が好ましい。The thickness of the material forming the slip-out prevention ring for a pipe joint varies depending on the material and diameter of the slip-out prevention ring for a pipe joint. For example, the material is iron and the diameter is 100.
The metal plate thickness of the slip-out prevention ring for a pipe joint for the resin-lined steel pipe on the inner and outer surfaces of A is preferably about 1.5 mm.
【００１０】内面帯状体の内周面に設けられる多数の突
起としては、パンチにて孔あけを行うことにより設けた
バリやおろし金の表面に設けられたような先の尖ったも
のが好ましい。As the many projections provided on the inner peripheral surface of the inner surface strip, it is preferable to use sharp points such as those provided on the surface of a burr or grater provided by punching holes.
【００１１】パンチにて孔あけを行うことによりバリを
設ける場合には、パンチであける孔の形状は、円や菱形
等に特に限定されず、バリの高さは、例えば、口径１０
０Ａの内外面樹脂ライニング鋼管用の管継手用抜け防止
リングの場合には、１．０〜１．５ｍｍ程度がよい。When a burr is provided by punching with a punch, the shape of the hole to be punched is not particularly limited to a circle, a rhombus, etc., and the height of the burr is, for example, 10 mm.
In the case of a 0 A inner-outer surface resin-lined steel pipe slip-out prevention ring for a pipe joint, about 1.0 to 1.5 mm is preferable.
【００１２】本発明の管継手用抜け防止リングの製造方
法としては、例えば、厚さ１〜２ｍｍ程度の金属板を短
冊状に切断し、その短冊状の金属板に、パンチにて孔を
あけて多数のバリを設け、多数のバリを設けた方の面が
内面帯状体の内周面になるようにして、所定形状に曲げ
加工する方法が挙げられる。As a method for manufacturing the slip-out preventing ring for pipe fittings of the present invention, for example, a metal plate having a thickness of about 1 to 2 mm is cut into strips, and holes are punched in the strip-shaped metal plates. There is a method in which a large number of burrs are provided, and the surface on which the large number of burrs are provided is made the inner peripheral surface of the inner surface belt-shaped body, and then bent into a predetermined shape.
【００１３】[0013]
【発明の実施の態様】以下、本発明を図面を参照して説
明する。図１は、本発明の管継手用抜け防止リングの一
例を示す一部切欠き正面図である。１は管継手用抜け防
止リングであって、管継手２の受口２１内に挿着される
接続管３の挿口３１に装着され、挿口３１の受口２１内
からの抜け出しを防止する機能を果たす。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the drawings. FIG. 1 is a partially cutaway front view showing an example of a slip prevention ring for a pipe joint according to the present invention. Reference numeral 1 is a slip-out preventing ring for a pipe joint, which is attached to an insertion port 31 of a connecting pipe 3 inserted into a receiving port 21 of the pipe coupling 2 and prevents the insertion port 31 from coming out of the receiving port 21. Perform a function.
【００１４】管継手２の受口２１には、内周面に周方向
に沿って奥方に向かって内径が次第に大となる傾斜面２
１１ａと、その傾斜面２１１ａの奥端から略管軸方向と
平行をなす突当り面２１１ｂとで囲まれた管継手用抜け
防止リング用凹溝２１１が設けられている。In the receiving port 21 of the pipe joint 2, the inclined surface 2 having an inner diameter gradually increasing toward the inner side along the circumferential direction on the inner peripheral surface.
There is provided a groove 211 for a slip-out prevention ring for a pipe joint, which is surrounded by 11a and an abutting surface 211b which is substantially parallel to the pipe axis direction from the deep end of the inclined surface 211a.
【００１５】管継手用抜け防止リング１は、外周面に多
数の突起１１１が設けられた内面帯状体１１と、その内
面帯状体１１の一端部から外方に屈曲された、他端部に
向けて外径が次第に大径となる外面傾斜部１２からな
る。管継手用抜け防止リング１には、内面帯状体１１及
び外面傾斜部１２にわたり、軸方向に沿って切欠き部１
３が形成されている。The slip-prevention ring 1 for a pipe joint is provided with an inner surface strip 11 having a large number of projections 111 on the outer peripheral surface thereof, and is bent outward from one end of the inner surface strip 11 toward the other end. The outer surface inclined portion 12 has a gradually increasing outer diameter. In the slip-out prevention ring 1 for a pipe joint, the cutout portion 1 extends along the axial direction across the inner surface belt-shaped body 11 and the outer surface inclined portion 12.
3 are formed.
【００１６】以下、図１の管継手用抜け防止リングの使
用態様を、図２を参照して説明する。まず、管継手用抜
け防止リング１を切欠き部１３の部分を閉じるように外
方から押圧して縮径状態となし、管継手２の受口２１の
管継手用抜け防止リング用凹溝２１１の部位まで、外面
傾斜部１２が設けられた一端部を受口２１の開口部に向
けるようにして挿入した後、その弾性力により切欠き部
１３を開くように拡径状態となして、管継手２の受口２
１の管継手用抜け防止リング用凹溝２１１内に装着す
る。The mode of use of the slip-out prevention ring for a pipe joint of FIG. 1 will be described below with reference to FIG. First, the slip-out prevention ring 1 for a pipe joint is pressed from the outside so as to close the cutout portion 13 so as to be in a reduced diameter state, and the recessed groove 211 for a slip-out prevention ring for a pipe joint of the receiving port 21 of the pipe joint 2 is formed. Up to the site, the one end portion provided with the outer surface inclined portion 12 is inserted so as to face the opening portion of the receiving port 21, and then the notch portion 13 is expanded by its elastic force so that the pipe is expanded. Receptacle 2 for joint 2
It is mounted in the recessed groove 211 for the slip-out prevention ring for the pipe joint of No. 1.
【００１７】次に、その管継手２の受口２１内に、接続
管３の挿口３１を、管継手用抜け防止リング用凹溝２１
１内に装着された管継手用抜け防止リング１内を挿通す
るようにして挿着する。このとき、管継手用抜け防止リ
ング１は、その他端部が管継手用抜け防止リング用凹溝
２１１の突当り面２１１ｂに支持されるので、管継手用
抜け防止リング用凹溝２１１内に止まった状態にて、接
続管３の挿口３１の外周面に装着される。尚、特に図示
しないが、上記の抜止め構造とは別に、適宜パッキング
によるシール構造が施される。Next, the insertion opening 31 of the connecting pipe 3 is inserted into the receiving opening 21 of the pipe joint 2 and the groove 21 for the slip-prevention ring for the pipe joint is formed.
The fitting prevention ring 1 for pipe fitting mounted inside 1 is inserted and inserted. At this time, since the other end of the pipe joint slip-out prevention ring 1 is supported by the abutment surface 211b of the pipe joint slip-out prevention ring concave groove 211, it stops inside the pipe joint slip-out prevention ring concave groove 211. In this state, it is attached to the outer peripheral surface of the insertion port 31 of the connecting pipe 3. Although not particularly shown, a sealing structure by packing is appropriately provided in addition to the retaining structure.
【００１８】この状態にて、管継手２と接続管３との接
続部において、接続管３に対する抜出し力が作用したと
き、管継手用抜け防止リング１の外面傾斜部１２の部分
が、管継手２の受口２１の管継手用抜け防止リング用凹
溝２１１の傾斜面２１１ａに接触して内方に押圧される
が、そのもとに戻ろうとする反発力が内面帯状体１１を
縮径させる力として作用するので、内面帯状体１１の内
周面に設けられた多数の突起１１１が接続管３の挿口３
１の外周面に喰い込む。その結果、管継手用抜け防止リ
ング１に対して接続管３の挿口３１が固定されるので、
接続管３が管継手２の受口２１内から抜け出すのが防止
される。In this state, at the connecting portion between the pipe joint 2 and the connecting pipe 3, when the pull-out force for the connecting pipe 3 acts, the portion of the outer surface inclined portion 12 of the slip-preventing ring 1 for the pipe joint is changed to the pipe joint. Although it is pressed inward by coming into contact with the inclined surface 211a of the recessed groove 211 for the pipe joint slip-out prevention ring of the second receiving port 21, the repulsive force that tries to return to that causes the inner surface strip 11 to contract. Since it acts as a force, a large number of protrusions 111 provided on the inner peripheral surface of the inner surface strip 11 are inserted into the insertion port 3 of the connecting pipe 3.
Bite into the outer peripheral surface of 1. As a result, the insertion port 31 of the connection pipe 3 is fixed to the pipe joint pull-out prevention ring 1,
The connecting pipe 3 is prevented from coming out of the receiving opening 21 of the pipe joint 2.
【００１９】図３は、本発明の管継手用抜け防止リング
の別の例を示す一部切欠き正面図である。４は管継手用
抜け防止リングであって、管継手５の受口５１内に挿着
される接続管６の挿口６１に装着され、挿口６１の受口
５１内からの抜け出しを防止する機能を果たす。FIG. 3 is a partially cutaway front view showing another example of the slip prevention ring for a pipe joint of the present invention. Reference numeral 4 denotes a slip-out prevention ring for a pipe joint, which is attached to an insertion opening 61 of a connecting pipe 6 inserted into a receiving opening 51 of the pipe fitting 5, and prevents the insertion opening 61 from coming out of the receiving opening 51. Perform a function.
【００２０】管継手５の受口５１には、図１に示す場合
と同様に、内周面に周方向に沿って奥方に向かって内径
が次第に大となる傾斜面５１１ａと、その傾斜面５１１
ａの奥端から略管軸方向と平行をなす突当り面５１１ｂ
とで囲まれた防止リング用凹溝５１１が設けられてい
る。In the receiving port 51 of the pipe joint 5, as in the case shown in FIG. 1, an inclined surface 511a having an inner diameter gradually increasing toward the inner side along the circumferential direction on the inner peripheral surface, and the inclined surface 511.
An abutting surface 511b that is substantially parallel to the tube axis direction from the rear end of a
A groove 511 for the prevention ring surrounded by and is provided.
【００２１】管継手用抜け防止リング４には、内周面に
多数の突起４１１が設けられた内面帯状体４１の一端部
から外方に、他端部に向けて外径が次第に大径となる外
面傾斜部４２が屈曲されており、内面帯状体４１の他端
部から外方に向けて鍔部４３が屈曲されている。又、外
面傾斜部４２の先端縁から鍔部４３の基端部内側に向け
て外面逆傾斜部４４が屈曲されている。管継手用抜け防
止リング４には、内面帯状体４１、外面傾斜部４２、鍔
部４３及び外面逆傾斜部４４に軸方向に沿って切欠き部
４５が形成されている。The slip-out prevention ring 4 for a pipe joint has an outer diameter gradually increasing from one end of the inner surface strip 41 having a large number of protrusions 411 provided on the inner peripheral surface thereof toward the outer end toward the other end thereof. The outer inclined part 42 is bent, and the flange 43 is bent outward from the other end of the inner band 41. Further, the outer surface reverse inclined portion 44 is bent from the tip end edge of the outer surface inclined portion 42 toward the inside of the base end portion of the collar portion 43. In the slip-out prevention ring 4 for pipe fittings, a cutout portion 45 is formed in the inner surface belt-shaped body 41, the outer surface inclined portion 42, the flange portion 43, and the outer surface reverse inclined portion 44 along the axial direction.
【００２２】以下、図３に示す管継手用抜け防止リング
の使用態様を、図４を参照して説明する。まず、管継手
用抜け防止リング４を切欠き部４５の部分を閉じるよう
外方から押圧して縮径状態となし、管継手５の受口５１
の管継手用抜け防止リング用凹溝５１１の部位まで、外
面傾斜部４２が設けられた一端部を受口５１の開口部に
向けるようにして挿入した後、その弾性力により切欠き
部４５を開くように拡径状態となして、管継手５の受口
５１の管継手用抜け防止リング用凹溝５１１内に装着す
る。Hereinafter, a usage mode of the slip-out prevention ring for a pipe joint shown in FIG. 3 will be described with reference to FIG. First, the slip-out prevention ring 4 for a pipe joint is pressed from the outside so as to close the cutout portion 45 to bring it into a reduced diameter state.
After the end portion provided with the outer surface inclined portion 42 is inserted into the recessed groove 511 for the slip-out prevention ring for the pipe joint so as to face the opening portion of the receiving port 51, the notch portion 45 is formed by its elastic force. The diameter of the pipe joint 5 is expanded so that it is opened, and the pipe 51 is mounted in the groove 511 for the slip-out prevention ring for the pipe joint of the receiving port 51 of the pipe joint 5.
【００２３】次に、その管継手５の受口５１内に、接続
管６の挿口６１を、管継手用抜け防止リング用凹溝５１
１内に嵌められた管継手用抜け防止リング４内を挿通す
るようにして挿着する。このとき、管継手用抜け防止リ
ング４は、その他端部が管継手用抜け防止リング用凹溝
５１１の突当り面５１１ｂに支持されるので、管継手用
抜け防止リング用凹溝５１１内に止まった状態にて、接
続管６の挿口６１の外周面に装着する。尚、特に図示し
ないが、上記の抜止め構造とは別に、適宜パッキングに
よるシール構造が施される。Next, the insertion opening 61 of the connecting pipe 6 is inserted into the receiving opening 51 of the pipe joint 5, and the recess groove 51 for the slip-prevention ring for the pipe joint is formed.
1 is inserted and attached so as to pass through the slip-out prevention ring 4 for a pipe fitting fitted in the inside 1. At this time, since the other end of the pipe joint slip-out prevention ring 4 is supported by the abutting surface 511b of the pipe joint slip-out prevention ring recess groove 511, it stops in the pipe joint slip-out prevention ring recess groove 511. In this state, it is attached to the outer peripheral surface of the insertion opening 61 of the connecting pipe 6. Although not particularly shown, a sealing structure by packing is appropriately provided in addition to the retaining structure.
【００２４】この状態にて、接続管６に抜出し力が作用
したとき、管継手用抜け防止リング４の外面傾斜部４２
の部分が、管継手５の受口５１の管継手用抜け防止リン
グ用凹溝５１１の傾斜面５１１ａに接触して内方に押圧
されるが、それに伴い外面逆傾斜部４４の先端縁を縮径
させる力として作用するので、外面逆傾斜部４４の先端
縁が鍔部１３の内側面に沿って縮径していって内面帯状
体４１を内方に向けて押圧し、これにより内面帯状体４
１の内周面に設けられた多数の突起４１１が接続管６の
挿口６１の外周面に喰い込む。その結果、管継手用抜け
防止リング４に対して接続管６の挿口６１が固定される
ので、接続管６が管継手５の受口５１内から抜け出すの
が防止される。In this state, when a pulling force acts on the connecting pipe 6, the outer inclined portion 42 of the slip-out preventing ring 4 for pipe fittings
Is contacted with the inclined surface 511a of the groove 511 for the slip-prevention ring for the pipe joint of the receiving port 51 of the pipe joint 5 and is pressed inward, and the tip edge of the outer surface reverse inclined portion 44 is contracted accordingly. Since it acts as a diametrical force, the tip edge of the outer surface reversely inclined portion 44 is reduced in diameter along the inner side surface of the collar portion 13 and presses the inner surface strip 41 inward, whereby the inner surface strip 41 is formed. Four
A large number of protrusions 411 provided on the inner peripheral surface of No. 1 bite into the outer peripheral surface of the insertion opening 61 of the connecting pipe 6. As a result, the insertion opening 61 of the connection pipe 6 is fixed to the pipe joint slip-out prevention ring 4, so that the connection pipe 6 is prevented from slipping out of the receiving opening 51 of the pipe joint 5.
【００２５】[0025]
【発明の効果】本発明１〜本発明３の管継手用抜け防止
リングは、それぞれ、上記の如き構成とされているの
で、受口内に挿着された挿口の抜け防止性能に優れてお
り、且つ、帯状体を屈曲して製作するため、製作が容易
で、生産性がよく、安価に製作することができる。EFFECTS OF THE INVENTION Since the slip-prevention rings for pipe joints of the present inventions 1 to 3 are each configured as described above, they are excellent in slip-out prevention performance of the insertion port inserted in the receiving port. In addition, since the belt-shaped body is bent and manufactured, the manufacturing is easy, the productivity is high, and the manufacturing cost is low.
【図１】本発明の管継手用抜け防止リングの一例の説明
図であり、（ａ）はその一部切欠き正面図、（ｂ）はそ
の側面図である。FIG. 1 is an explanatory view of an example of a slip-out prevention ring for a pipe joint of the present invention, (a) is a partially cutaway front view, and (b) is a side view thereof.
【図２】図１に示す管継手用抜け防止リングの使用態様
を説明する一部切欠き正面図である。FIG. 2 is a partially cutaway front view illustrating a usage mode of the slip-out prevention ring for a pipe joint shown in FIG.
【図３】本発明の管継手用抜け防止リングの別の例の説
明図であり、（ａ）はその一部切欠き正面図、（ｂ）は
その側面図である。FIG. 3 is an explanatory view of another example of the slip-out prevention ring for a pipe joint of the present invention, (a) is a partially cutaway front view, and (b) is a side view thereof.
【図４】図３に示す管継手用抜け防止リングの使用態様
を説明する一部切欠き正面図である。FIG. 4 is a partially cutaway front view illustrating a usage mode of the slip-out prevention ring for a pipe joint shown in FIG.
【図５】図５は従来例を示す断面図である。FIG. 5 is a cross-sectional view showing a conventional example.
１，４ 管継手用抜け防止リング １１，４１ 内面帯状体 １２，４２ 外面傾斜部 ４３ 鍔部 ４４ 外面逆傾斜部 １１１，４１１ 突起 1,4 Pipe joint removal prevention ring 11,41 Inner surface band 12,42 Outer surface inclined portion 43 Collar portion 44 Outer surface reverse inclined portion 111,411 Protrusion
Claims (3)
周方向に設けられており、該凹溝に装着される管継手用
抜け防止リングであって、内周面に多数の突起が設けら
れた内面帯状体と、該内面帯状体の一端部から屈曲され
て上記傾斜面と接する外面傾斜部と、からなることを特
徴とする管継手用抜け防止リング。1. A pipe joint slip-out prevention ring, which is provided with a slanted surface on the inner peripheral surface of a pipe joint in the circumferential direction, and is fitted in the recessed groove. A slip prevention ring for a pipe joint, comprising: an inner surface strip provided with a projection; and an outer surface slanted portion that is bent from one end of the inner surface strip and contacts the slanted surface.
周方向に設けられており、該凹溝に装着される管継手用
抜け防止リングであって、内周面に多数の突起が設けら
れた内面帯状体と、該内面帯状体の一端部から屈曲され
て上記傾斜面と接する外面傾斜部と、該内面帯状体の他
端部から屈曲される鍔部と、該外面傾斜部の先端部から
該鍔部の基端部内側面に向けて屈曲される外面逆傾斜部
と、からなることを特徴とする管継手用抜け防止リン
グ。2. A pipe joint slip-out prevention ring, wherein a recessed groove having an inclined surface is provided in the inner peripheral surface of the pipe joint in a circumferential direction, and the recessed ring is attached to the recessed groove. An inner surface strip provided with a projection, an outer surface slant portion that is bent from one end of the inner surface strip and contacts the inclined surface, a flange portion that is bent from the other end of the inner surface strip, and the outer surface slant. A slip prevention ring for a pipe joint, comprising: an outer surface reversely inclined portion that is bent from a tip portion of the portion toward an inner surface of a base end portion of the collar portion.
が、内面帯状体をパンチで穿孔して形成したバリである
ことを特徴とする管継手用抜け防止リング。3. A slip prevention ring for a pipe joint, wherein the plurality of projections according to claim 1 or 2 are burrs formed by punching an inner surface strip with a punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21457195A JPH0960771A (en) | 1995-08-23 | 1995-08-23 | Release preventing ring for pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21457195A JPH0960771A (en) | 1995-08-23 | 1995-08-23 | Release preventing ring for pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0960771A true JPH0960771A (en) | 1997-03-04 |
Family
ID=16657928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21457195A Pending JPH0960771A (en) | 1995-08-23 | 1995-08-23 | Release preventing ring for pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0960771A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003010461A1 (en) * | 2001-07-25 | 2003-02-06 | Philmac Pty Ltd | Coupling or transition fitting for the connection of metal or plastic pipes |
| AU2002317044B2 (en) * | 2001-07-25 | 2006-12-07 | Philmac Pty Ltd | Coupling or transition fitting for the connection of metal or plastic pipes |
| KR100864054B1 (en) * | 2007-01-11 | 2008-10-16 | 김용진 | Connector for newtility type waterproofing pipe with packing means for sealing |
| CN102272506A (en) * | 2009-01-12 | 2011-12-07 | 克劳泽工业发展有限公司 | Pipe grip ring |
| US9383049B2 (en) | 2011-05-02 | 2016-07-05 | Cambridge Brass, Inc. | Universal coupling and parts therefor |
-
1995
- 1995-08-23 JP JP21457195A patent/JPH0960771A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003010461A1 (en) * | 2001-07-25 | 2003-02-06 | Philmac Pty Ltd | Coupling or transition fitting for the connection of metal or plastic pipes |
| AU2002317044B2 (en) * | 2001-07-25 | 2006-12-07 | Philmac Pty Ltd | Coupling or transition fitting for the connection of metal or plastic pipes |
| US7255373B2 (en) | 2001-07-25 | 2007-08-14 | Philmac Pty Ltd | Coupling or transition fitting for the connection of metal or plastic pipes |
| KR100864054B1 (en) * | 2007-01-11 | 2008-10-16 | 김용진 | Connector for newtility type waterproofing pipe with packing means for sealing |
| CN102272506A (en) * | 2009-01-12 | 2011-12-07 | 克劳泽工业发展有限公司 | Pipe grip ring |
| JP2012515304A (en) * | 2009-01-12 | 2012-07-05 | クラウス インダストリーズ デベロップメント エルティーディー | Pipe grip ring |
| US9383049B2 (en) | 2011-05-02 | 2016-07-05 | Cambridge Brass, Inc. | Universal coupling and parts therefor |
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