JPH0932982A - Pipe coupling for preventing separation - Google Patents
Pipe coupling for preventing separationInfo
- Publication number
- JPH0932982A JPH0932982A JP7180009A JP18000995A JPH0932982A JP H0932982 A JPH0932982 A JP H0932982A JP 7180009 A JP7180009 A JP 7180009A JP 18000995 A JP18000995 A JP 18000995A JP H0932982 A JPH0932982 A JP H0932982A
- Authority
- JP
- Japan
- Prior art keywords
- rubber ring
- socket
- peripheral surface
- spigot
- pipe
- 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
- 238000000926 separation method Methods 0.000 title abstract description 6
- 230000008878 coupling Effects 0.000 title abstract 4
- 238000010168 coupling process Methods 0.000 title abstract 4
- 238000005859 coupling reaction Methods 0.000 title abstract 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003517 fume Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 101150096674 C20L gene Proteins 0.000 description 1
- 102220543923 Protocadherin-10_F16L_mutation Human genes 0.000 description 1
- 101100445889 Vaccinia virus (strain Copenhagen) F16L gene Proteins 0.000 description 1
- 101100445891 Vaccinia virus (strain Western Reserve) VACWR055 gene Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
- F16L19/04—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Joints With Pressure Members (AREA)
- Joints With Sleeves (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はヒューム管等のコン
クリート管の継ぎ手構造に係り、特に地震時等に埋設さ
れたコンクリート管が振動で移動した際に、コンクリー
ト管の継ぎ手が離脱することを防止し得る管継ぎ手に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure for concrete pipes such as fume pipes, and more particularly, to prevent the joints of concrete pipes from coming off when the buried concrete pipes move due to vibration. It relates to a possible pipe joint.
【０００２】[0002]
【従来の技術】従来のこの種のコンクリート管の継ぎ手
構造としては、例えば実公昭５９ー１８２２３号公報、
実公平２ー３０２９号公報等に示す技術が公知である。
これ等の従来のコンクリート管の継ぎ手構造は、一般的
に一方のコンクリート管の端部外周面に止水用のゴム輪
を取り付け、かつ他方のコンクリート管の端部にソケッ
ト或いはカラーを取り付け、管接合時に前記コンクリー
ト管のゴム輪の周りに該ソケット或いはカラーを密接す
ることによって構成していた。2. Description of the Related Art As a conventional joint structure for concrete pipes of this type, for example, Japanese Utility Model Publication No. 59-18223,
The technique disclosed in Japanese Utility Model Publication No. 2-3029 is known.
In these conventional concrete pipe joint structures, a rubber ring for waterproofing is generally attached to the outer peripheral surface of the end of one concrete pipe, and a socket or collar is attached to the end of the other concrete pipe. At the time of joining, the socket or the collar is closely attached around the rubber ring of the concrete pipe.
【０００３】[0003]
【発明が解決しようとする課題】然るに、前述の従来の
構造を有する管継ぎ手は、止水用のゴム輪とその周りに
被覆されたカラー或いはソケットの作用で、継ぎ手部分
の止水を可能とすることは出来るが、地震等で管路が大
きく移動するような場合には、前記カラー或いはソケッ
トから今迄嵌入されていたコンクリート管の端部が容易
に抜け出してしまう問題があった。従って、これ等を再
度組合せ固定する為には、周りの土砂を取り除いて、各
コンクリート管を配設すると共に、両者の端部を以前の
状態に接続しなければならない問題があった。However, in the pipe joint having the above-mentioned conventional structure, it is possible to stop the water in the joint portion by the action of the rubber ring for waterproofing and the collar or the socket coated around the rubber ring. However, there is a problem that the end of the concrete pipe, which has been inserted until now, easily comes out of the collar or the socket when the pipe moves largely due to an earthquake or the like. Therefore, in order to combine and fix these again, there was a problem that the surrounding earth and sand had to be removed, each concrete pipe had to be arranged, and both ends should be connected to the previous state.
【０００４】本発明に係る離脱防止用管継ぎ手は、前述
の従来の問題点に鑑み開発された全く新しい技術であっ
て、特に、スピゴット部の外周面に段部を設けると共
に、該段部に係止し得る突条部を先端に有するゴム輪を
ソケット部の内周面に取り付け、ゴム輪の突条部を段部
に係止することによって、管の接合部分が離脱しないよ
うにした技術を提供するものである。The disconnection preventing pipe joint according to the present invention is a completely new technique developed in view of the above-mentioned conventional problems, and in particular, a step portion is provided on the outer peripheral surface of the spigot portion and the step portion is provided. A technology that prevents the joint part of the pipe from coming off by attaching a rubber ring with a protruding ridge that can be locked to the inner peripheral surface of the socket and locking the ridge of the rubber ring to the step Is provided.
【０００５】[0005]
【課題を解決するための手段】本発明に係る離脱防止用
管継ぎ手は、前述の従来の問題点を根本的に改善した技
術であって、その第１発明の要旨は、ヒューム管等のコ
ンクリート管の管継ぎ手構造に於いて、該コンクリート
管のスピゴット部の外周面に切欠による段部を形成し、
該段部に係止し得る突条部を先端内周面に突設したゴム
輪をコンクリート管のソケット部の内周面に取り付けて
構成したことを特徴とした離脱防止用管継ぎ手である。DISCLOSURE OF THE INVENTION The pipe joint for preventing separation according to the present invention is a technique in which the above-mentioned conventional problems have been fundamentally improved. The gist of the first invention is the concrete of a fume pipe or the like. In the pipe joint structure of the pipe, a step portion is formed by a notch on the outer peripheral surface of the spigot portion of the concrete pipe,
A disconnection preventing pipe joint, characterized in that a rubber ring having a projecting ridge portion that can be locked to the step portion projecting from the inner peripheral surface of the tip is attached to the inner peripheral surface of the socket portion of the concrete pipe.
【０００６】本発明の第２発明の要旨は、前記ゴム輪の
元端外周部にフランジを設け、かつ該フランジをソケッ
ト部の端面と鋼製リングとで挟持することによってゴム
輪をソケット部内に取り付けて構成したことを特徴とし
た第１発明の離脱防止用管継ぎ手である。また、第３発
明の要旨は、前記ソケット部の端面に鋼製リングを取り
付け固定するためのアンカー金具を埋設して構成したこ
とを特徴とした第２発明の離脱防止用管継ぎ手である。The gist of the second aspect of the present invention is to provide a rubber ring inside the socket by providing a flange on the outer peripheral portion of the base end of the rubber ring and sandwiching the flange between the end face of the socket and the steel ring. It is a disconnection preventing pipe joint according to the first aspect of the invention, which is characterized by being attached. Further, the gist of the third invention is a disconnection preventing pipe joint according to the second invention, characterized in that an anchor metal fitting for fixing and fixing a steel ring is embedded in an end surface of the socket portion.
【０００７】[0007]
【作用】本発明に係る第１発明の離脱防止用管継ぎ手
は、上述のように先端内周面に突条部を有するゴム輪を
コンクリート管のソケット部内に取り付け、かつコンク
リート管のスピゴット部の外周面に切欠による段部を設
けたので、ゴム輪の突条部をこの段部に係止することに
よって、スピゴット部とソケット部とが地震時の振動で
移動しても離脱することがない。また、スピゴット部と
ソケット部との間にゴム輪を介在させたので、管接合部
の止水効果を高めることが出来る。The pipe joint for preventing separation according to the first aspect of the present invention is such that the rubber ring having the protrusion on the inner peripheral surface of the tip is attached to the socket portion of the concrete pipe and the spigot portion of the concrete pipe is attached. Since the stepped part is provided on the outer peripheral surface by the notch, the spigot part and the socket part do not separate even if they move due to the vibration during an earthquake by locking the protruding part of the rubber ring to this stepped part . Further, since the rubber ring is interposed between the spigot portion and the socket portion, the water blocking effect of the pipe joint portion can be enhanced.
【０００８】本発明の第２発明に於いては、ゴム輪の元
端外周部にフランジを突設し、かつこのフランジをソケ
ット部の端面と鋼製リングとで挟持するように構成した
ので、ソケット部内に挿入されたゴム輪の元部をソケッ
ト部に簡単に取り付けることが出来る。In the second aspect of the present invention, a flange is provided on the outer peripheral portion of the base end of the rubber ring, and the flange is sandwiched between the end face of the socket and the steel ring. The base of the rubber ring inserted in the socket can be easily attached to the socket.
【０００９】本発明の第３発明に於いては、ソケット部
の端面にアンカー金具を予め埋設して構成したので、こ
のアンカー金具とボルトとを組み合わせることによっ
て、ソケット部の端面に鋼製リングを簡単かつ強固に取
り付けることが出来る。また、この鋼製リングとソケッ
ト部の端面とによってゴム輪の元部のフランジを確実に
挟持することが出来る。According to the third aspect of the present invention, since the anchor metal fitting is embedded in advance in the end surface of the socket portion, a steel ring is attached to the end surface of the socket portion by combining the anchor metal fitting and the bolt. Can be easily and firmly attached. Further, the flange of the base portion of the rubber ring can be reliably held by the steel ring and the end surface of the socket portion.
【００１０】[0010]
【発明の実施の形態】図により本発明に係る離脱防止用
管継ぎ手の一実施例を説明すると、図１は本発明に係る
管継ぎ手構造の要部を示す断面説明図、図２は図１の構
成部品を示す断面説明図である。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a separation preventing pipe joint according to the present invention will be described with reference to the drawings. FIG. 1 is a sectional explanatory view showing an essential part of a pipe joint structure according to the present invention, and FIG. FIG. 3 is a cross-sectional explanatory view showing the component parts of FIG.
【００１１】図１及び図２に於いて、１，２は夫々ヒュ
ーム管製のコンクリート管であり、夫々スピゴット３と
ソケット部４とを有している。スピゴット部３の先端外
周面には、切欠による段部５がリング状に形成されてい
る。また、ソケット部４の端面４ａの内壁には、アンカ
ー金具６が所定の間隔を保って複数個埋設されている。In FIGS. 1 and 2, reference numerals 1 and 2 denote concrete pipes made of fume pipe, each having a spigot 3 and a socket portion 4. A ring-shaped step 5 is formed on the outer peripheral surface of the tip of the spigot 3. A plurality of anchor metal fittings 6 are embedded in the inner wall of the end surface 4a of the socket portion 4 with a predetermined interval.
【００１２】７はゴム輪であって、前記スピゴット部３
の外径とほぼ等しい内径を持った筒体より形成されてい
る。このゴム輪７の先端内周面には突条部８が突設され
ており、スピゴット部３にゴム輪７を被覆した際に、こ
の突条部８がスピゴット部３に設けられた切欠部に挿入
されて、前記段部５に係止されるように構成されてい
る。また、ゴム輪７の元端外周部にはフランジ９が一体
的に突設されている。このようなゴム輪７は水道用ゴム
で形成され、かつその先端部は水膨張ゴムで形成されて
いる。Reference numeral 7 denotes a rubber ring, which is the spigot portion 3
Is formed of a cylindrical body having an inner diameter substantially equal to the outer diameter of the. A protrusion 8 is provided on the inner peripheral surface of the tip of the rubber ring 7. When the spigot portion 3 is covered with the rubber ring 7, the protrusion 8 is provided in the spigot portion 3. It is configured so as to be inserted into the step portion 5 and to be locked to the step portion 5. A flange 9 is integrally provided on the outer peripheral portion of the base end of the rubber ring 7 so as to project. Such a rubber ring 7 is made of rubber for water supply, and its tip is made of water-expanded rubber.
【００１３】本発明に係る管継ぎ手の構成に当たって
は、ゴム輪７をソケット部４内に挿入して、その元部外
周部に突設されたフランジ９をソケット部４の端面４ａ
に当接する。次にボルト１０及びワッシャー１１を介し
て鋼製リング１２をソケット部４のアンカー金具５に取
り付け、前記フランジ９をこの鋼製リング１２とソケッ
ト部４の端面４ａとで強く挟持し、ゴム輪７をソケット
部４の内周面に取り付け固定する。In the construction of the pipe joint according to the present invention, the rubber ring 7 is inserted into the socket portion 4, and the flange 9 projecting from the outer peripheral portion of the base portion is provided with the end surface 4a of the socket portion 4.
Abut. Next, the steel ring 12 is attached to the anchor metal fitting 5 of the socket portion 4 via the bolt 10 and the washer 11, and the flange 9 is strongly sandwiched between the steel ring 12 and the end surface 4a of the socket portion 4, and the rubber ring 7 Is fixed to the inner peripheral surface of the socket portion 4.
【００１４】次に、スピゴット部３をソケット部４のゴ
ム輪７内に挿入し、その先端部端面をソケット部４の起
立面に当接すると共に、スピゴット部３に設けた切欠部
にゴム輪７の突条部８を挿入して、突条部８を段部５に
係止する。このような状態でスピゴット部３とソケット
部４とを接合することが出来る。Next, the spigot portion 3 is inserted into the rubber ring 7 of the socket portion 4, and the end face of the tip portion is brought into contact with the standing surface of the socket portion 4, and the rubber ring 7 is provided in the cutout portion provided in the spigot portion 3. The ridge portion 8 is inserted and the ridge portion 8 is locked to the step portion 5. In such a state, the spigot portion 3 and the socket portion 4 can be joined.
【００１５】本発明に係る管継ぎ手構造に於いては、上
述の如く、コンクリート管２のソケット部４のゴム輪７
が取り付けられており、かつソケット部４内に挿入され
るスピゴット部３がこのゴム輪７内に嵌入されるので、
ソケット部４とスピゴット部３との間にゴム輪７が介在
され、これによってソケット部４とスピゴット部３との
接合部の水密性を高めることが出来る。In the pipe joint structure according to the present invention, as described above, the rubber ring 7 of the socket portion 4 of the concrete pipe 2 is used.
Is attached and the spigot portion 3 inserted into the socket portion 4 is fitted into the rubber ring 7,
The rubber ring 7 is interposed between the socket portion 4 and the spigot portion 3, whereby the watertightness of the joint portion between the socket portion 4 and the spigot portion 3 can be enhanced.
【００１６】また、ゴム輪７の先端部内周面に突設され
た突条部８がスピゴット部３の段部５に係止されるの
で、地震等の振動でコンクリート管１，２が移動した場
合にも、スピゴット部３がゴム輪７及びソケット部４よ
り脱落することがない。Further, since the ridge portion 8 projecting from the inner peripheral surface of the tip portion of the rubber ring 7 is locked to the step portion 5 of the spigot portion 3, the concrete pipes 1 and 2 are moved by vibration such as an earthquake. Also in this case, the spigot portion 3 does not fall off from the rubber ring 7 and the socket portion 4.
【００１７】[0017]
【発明の効果】本発明に係る離脱防止用管継ぎ手は、前
述の構造と作用とを有するので、次のような多大な効果
を有している。Since the separation preventing pipe joint according to the present invention has the above-described structure and operation, it has the following great effects.
【００１８】（１）ソケット部内に取り付けられたゴム
輪の突条部がスピゴット部の段部に係止されているの
で、地震等の振動でコンクリート管が移動しても、ソケ
ット部とスピゴット部とが離脱することがない。（２）
ソケット部とスピゴット部との間にゴム輪が介在されて
いるので、管接合部の止水効果を高めることが出来る。(1) Since the protruding portion of the rubber ring mounted in the socket portion is locked to the step portion of the spigot portion, even if the concrete pipe moves due to vibration such as an earthquake, the socket portion and the spigot portion And never leave. (2)
Since the rubber ring is interposed between the socket portion and the spigot portion, it is possible to enhance the water blocking effect at the pipe joint portion.
【００１９】（３）ゴム輪の元端外周部にフランジを設
けた場合には、このフランジを利用してゴム輪をソケッ
ト部内周面に簡単に取り付けることが出来る。（４）ソ
ケット部の端面にアンカー金具を埋設した場合には、ゴ
ム輪のフランジを挟持するための鋼製リングをアンカー
金具に簡単かつ確実に取り付けることが出来る。(3) When the outer peripheral portion of the base end of the rubber ring is provided with a flange, the rubber ring can be easily attached to the inner peripheral surface of the socket by utilizing this flange. (4) When the anchor metal fitting is embedded in the end face of the socket portion, the steel ring for holding the flange of the rubber ring can be easily and surely attached to the anchor metal fitting.
【図１】本発明に係る管継ぎ手構造の要部を示す断面説
明図である。FIG. 1 is a cross-sectional explanatory view showing a main part of a pipe joint structure according to the present invention.
【図２】図１の構成部品を示す断面説明図である。FIG. 2 is a cross-sectional explanatory view showing the components of FIG.
1,2 コンクリート管 ３ スピ
ゴット部 ４ ソケット部 4a ソケ
ット部の端面 ５ 段部 ６ アン
カー金具 ７ ゴム輪 ８ 突条
部 ９ フランジ 10 ボル
ト 11 ワッシャー 12 鋼製
リング1,2 Concrete pipe 3 Spigot part 4 Socket part 4a End face of socket part 5 Step part 6 Anchor metal fitting 7 Rubber ring 8 Ridge part 9 Flange 10 Bolt 11 Washer 12 Steel ring
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ１６Ｌ 21/02 (72)発明者 山 下 弘 樹 東京都新宿区西新宿１丁目22番２号 羽田 ヒューム管株式会社内 (72)発明者 南 部 裕 司 東京都新宿区西新宿１丁目22番２号 羽田 ヒューム管株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Office reference number FI technical display location F16L 21/02 (72) Inventor Hiroki Yamashita 1-2-2 Nishishinjuku, Shinjuku-ku, Tokyo Haneda Hume Tube Co., Ltd. (72) Inventor Yuji Minabe 1-22 Nishi-Shinjuku, Shinjuku-ku, Tokyo Haneda Hume Tube Co., Ltd.
Claims (3)
構造に於いて、該コンクリート管のスピゴット部の外周
面に切欠による段部を形成し、該段部に係止し得る突条
部を先端内周面に突設したゴム輪をコンクリート管のソ
ケット部の内周面に取り付けて構成したことを特徴とし
た離脱防止用管継ぎ手。1. In a pipe joint structure for a concrete pipe such as a Hume pipe, a step portion is formed on the outer peripheral surface of a spigot portion of the concrete pipe by a notch, and a projecting ridge portion that can be engaged with the step portion is formed at the tip. A disconnection preventing pipe joint, characterized in that a rubber ring protruding from the inner peripheral surface is attached to the inner peripheral surface of the socket portion of the concrete pipe.
け、かつ該フランジをソケット部の端面と鋼製リングと
で挟持することによってゴム輪をソケット部内周面に取
り付けて構成したことを特徴とした請求項１の離脱防止
用管継ぎ手。2. A rubber ring is attached to the inner peripheral surface of the socket portion by providing a flange on the outer peripheral portion of the base end of the rubber ring, and sandwiching the flange between the end surface of the socket portion and a steel ring. The disconnection preventing pipe joint according to claim 1.
付け固定するためのアンカー金具を埋設して構成したこ
とを特徴とした請求項２の離脱防止用管継ぎ手。3. The disconnection preventing pipe joint according to claim 2, wherein an anchor metal fitting for mounting and fixing a steel ring is embedded in the end face of the socket portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7180009A JPH0932982A (en) | 1995-07-17 | 1995-07-17 | Pipe coupling for preventing separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7180009A JPH0932982A (en) | 1995-07-17 | 1995-07-17 | Pipe coupling for preventing separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0932982A true JPH0932982A (en) | 1997-02-07 |
Family
ID=16075866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7180009A Pending JPH0932982A (en) | 1995-07-17 | 1995-07-17 | Pipe coupling for preventing separation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0932982A (en) |
-
1995
- 1995-07-17 JP JP7180009A patent/JPH0932982A/en active Pending
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