JP2001132882A - Pipe joint - Google Patents
Pipe jointInfo
- Publication number
- JP2001132882A JP2001132882A JP31099999A JP31099999A JP2001132882A JP 2001132882 A JP2001132882 A JP 2001132882A JP 31099999 A JP31099999 A JP 31099999A JP 31099999 A JP31099999 A JP 31099999A JP 2001132882 A JP2001132882 A JP 2001132882A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- cylindrical body
- shaft member
- elastic cylindrical
- fitted
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/04—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、管継手に関する。TECHNICAL FIELD The present invention relates to a pipe joint.
【０００２】[0002]
【従来の技術】従来の管継手は、図５に示すように、チ
ューブＴを接続される継手本体26と、袋ナット27を備え
るものがあった。そして、パイプＰに雄ねじ部Ｎを設け
て、袋ナット27をパイプＰに対して螺進させることによ
り、パイプＰとチューブＴとを接続していた。2. Description of the Related Art As shown in FIG. 5, a conventional pipe joint includes a joint body 26 to which a tube T is connected and a cap nut 27. The pipe P and the tube T are connected by providing the male thread N on the pipe P and screwing the cap nut 27 with respect to the pipe P.
【０００３】[0003]
【発明が解決しようとする課題】しかし、パイプＰに
（雄ねじ部Ｎを設けるべく）ねじを切らなければなら
ず、手間がかかった。また、離脱もかなり面倒であっ
た。そこで、本発明は、パイプＰにねじを切らなくて
も、そのままのパイプＰに接続することができる管継手
を提供することを目的とする。また、取外しも容易・迅
速にできる管継手を提供することを他の目的とする。However, the pipe P must be threaded (in order to provide the male thread N), which is troublesome. Also, leaving was quite troublesome. Therefore, an object of the present invention is to provide a pipe joint which can be connected to the pipe P without cutting the pipe P without screwing. Another object is to provide a pipe joint that can be easily and quickly removed.
【０００４】[0004]
【課題を解決するための手段】上述の目的を達成するた
めに、本発明に係る管継手は、パイプの端部に挿入され
て、軸心方向に圧縮力を受けて、拡径方向に変形し、上
記パイプの端面の内面に着脱自在に圧着される弾性円筒
体を備えたものである。In order to achieve the above object, a pipe joint according to the present invention is inserted into an end of a pipe, receives a compressive force in an axial direction, and deforms in a radially expanding direction. Further, the pipe has an elastic cylindrical body detachably attached to the inner surface of the end face of the pipe.
【０００５】また、パイプの端部に挿入されて、軸心方
向に圧縮力を受けて、拡径方向に変形し、上記パイプの
端部の内面に着脱自在に圧着される弾性円筒体と；該弾
性円筒体が外嵌されると共に先端膨出部を有する挿入軸
部と、基端側雄ねじ部とを有する引寄軸部材と；該引寄
軸部材の中間部に、回転不能・軸心方向摺動可能に外嵌
されて上記パイプの外面に当接する基準部材と；上記引
寄軸部材の上記雄ねじ部に螺合して上記引寄軸部材を引
寄せて上記弾性円筒体を拡径方向に変形させる回転部材
と；を備えているものである。また、回転部材が、チュ
ーブが着脱自在に接続される接続端部を有するものであ
る。An elastic cylinder inserted into the end of the pipe, deformed in the radially expanding direction by receiving a compressive force in the axial direction, and removably pressed on the inner surface of the end of the pipe; A retractable shaft member having the elastic cylindrical body fitted externally and having a distal-end bulging portion, and a proximal male screw portion; and a non-rotatable / axial center at an intermediate portion of the retractable shaft member. A reference member which is externally slidably fitted in contact with the outer surface of the pipe; and which is screwed into the male thread portion of the pulling shaft member to draw the pulling shaft member to expand the elastic cylindrical body. A rotating member that deforms in the direction. Further, the rotating member has a connection end to which the tube is detachably connected.
【０００６】[0006]
【発明の実施の形態】以下、実施の形態を示す図面に基
づき、本発明を詳説する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments.
【０００７】図１及び図２は、本発明の実施の一形態を
示し、この管継手は、例えば、熱交換器の流体用パイプ
Ｐを洗浄するのに使用される。そして、一端がパイプＰ
に接続されるとともに、他端は、（図１及び図２に２点
鎖線にて示すように）ワンタッチ式カセット着脱具Ｋを
介して、チューブＴに着脱自在に接続される。FIGS. 1 and 2 show an embodiment of the present invention, and this pipe joint is used, for example, for cleaning a fluid pipe P of a heat exchanger. And one end is a pipe P
And the other end is detachably connected to the tube T via a one-touch cassette attachment / detachment K (as shown by a two-dot chain line in FIGS. 1 and 2).
【０００８】１は、引寄軸部材であって、先端膨出部２
を有する挿入軸部３と、基端側雄ねじ部４とを有する。
弾性体から成る弾性円筒体５が、引寄軸部材１に外嵌さ
れる。引寄軸部材１の中間部に、基準部材６が、回転不
能・軸心Ｌ方向摺動可能に外嵌されてパイプＰの端面Ｓ
に当接する。この回転不能・軸心Ｌ方向摺動可能とする
ために、キー12とキー溝13をもって構成した場合を、図
１〜図４に示したが、これ以外に、スプラインとスプラ
イン溝をもって構成しても良い。Reference numeral 1 denotes a pulling shaft member, and a tip bulging portion 2
, And a proximal-end external thread portion 4.
An elastic cylindrical body 5 made of an elastic body is fitted around the pulling shaft member 1. A reference member 6 is externally fitted to the intermediate portion of the pulling shaft member 1 so as to be non-rotatable and slidable in the axial center L direction.
Abut. FIGS. 1 to 4 show a case in which a key 12 and a key groove 13 are used to make the shaft unrotatable and slidable in the axis L direction. Is also good.
【０００９】７は、回転部材であって、引寄軸部材１の
雄ねじ部４に螺合して引寄軸部材１を矢印Ｃ方向に引寄
せて弾性円筒体５を拡径方向Ｄに変形させる。回転部材
７は、（ワンタッチ式カセット着脱具Ｋを介して）チュ
ーブＴが着脱自在に接続される接続端部８を有する。Reference numeral 7 denotes a rotating member, which is screwed into the external thread portion 4 of the pulling shaft member 1 and pulls the pulling shaft member 1 in the direction of arrow C to deform the elastic cylindrical body 5 in the radially increasing direction D. Let it. The rotating member 7 has a connection end 8 to which the tube T is detachably connected (via the one-touch cassette attachment / detachment K).
【００１０】この管継手の使用方法は、まず、図１に示
すように、管継手の一端側をパイプＰに挿入する。回転
部材７を、基準部材６に対して、矢印Ａのように回転さ
せると、引寄軸部材１が、矢印Ｃのように、他端側へ引
寄せられる。弾性円筒体５が引寄軸部材１に外嵌されて
おり、この弾性円筒体５も、（矢印Ｃのように）他端側
へ引寄せられる。そして、図２に示すように、弾性円筒
体５は、軸心Ｌ方向に圧縮力Ｆを受けて、拡径方向Ｄに
変形し、パイプＰの端部の内面Ｐ0 に着脱自在に圧着さ
れる。In the method of using the pipe joint, first, as shown in FIG. 1, one end of the pipe joint is inserted into a pipe P. When the rotating member 7 is rotated with respect to the reference member 6 as shown by the arrow A, the pulling shaft member 1 is drawn to the other end side as shown by the arrow C. An elastic cylindrical body 5 is fitted around the pulling shaft member 1, and this elastic cylindrical body 5 is also drawn toward the other end (as indicated by an arrow C). Then, as shown in FIG. 2, the elastic cylindrical body 5 receives a compressive force F in the axial center L direction, deforms in the radially expanding direction D, and is removably crimped to the inner surface P 0 at the end of the pipe P. You.
【００１１】図３及び図４に、本発明の管継手の組立方
法を示す。まず、図３に示すように、引寄軸部材１に、
一端側から、矢印Ｅ方向に、順次、当接リング９、弾性
円筒体５、膨出部材10を、外嵌させる。そして、図３
（ニ）に示すように、六角孔付きネジ11，11にて、膨出
部材10を、引寄軸部材１に固着する。3 and 4 show a method for assembling a pipe joint according to the present invention. First, as shown in FIG.
From the one end side, the contact ring 9, the elastic cylindrical body 5, and the swelling member 10 are sequentially fitted in the direction of arrow E. And FIG.
As shown in (d), the swelling member 10 is fixed to the pulling shaft member 1 with hexagonal screws 11.
【００１２】次に、図４に示すように、上述のようにし
て組立てた引寄軸部材１、弾性円筒体５等に、順次、矢
印Ｂ方向に、基準部材６、リング14、回転部材７を、付
設する。具体的には、まず、図４（イ）及び（ロ）に示
すように、基準部材６のキー溝13が、引寄軸部材１のキ
ー12に、軸心Ｌ方向摺動可能に嵌合して、基準部材６と
引寄軸部材１とを相互に回転不能とする。Next, as shown in FIG. 4, the reference member 6, the ring 14, and the rotating member 7 are sequentially placed in the direction of arrow B on the pulling shaft member 1, the elastic cylinder 5 and the like assembled as described above. Is attached. Specifically, first, as shown in FIGS. 4A and 4B, the key groove 13 of the reference member 6 is fitted to the key 12 of the pulling shaft member 1 so as to be slidable in the axis L direction. Thus, the reference member 6 and the pulling shaft member 1 cannot be rotated with each other.
【００１３】図４（ハ）に示すように、リング14を外嵌
する。そして、回転部材７のねじ孔15を、引寄軸部材１
の雄ねじ部４に螺合させ、矢印Ａ方向に回転させる。こ
のとき、基準部材６は、パイプＰの端面Ｓに当接する。
（図１参照）As shown in FIG. 4C, the ring 14 is fitted to the outside. And the screw hole 15 of the rotating member 7 is
And screwed in the direction of arrow A. At this time, the reference member 6 contacts the end face S of the pipe P.
(See Fig. 1)
【００１４】回転部材７を回転させると、前述のよう
に、引寄軸部材１が矢印Ｃ方向に引寄せられ、弾性円筒
体５が、引寄軸部材１の先端膨出部２から圧縮力Ｆを受
けて、拡径方向Ｄに変形する。When the rotating member 7 is rotated, as described above, the pulling shaft member 1 is drawn in the direction of arrow C, and the elastic cylindrical body 5 is compressed by the compressive force from the tip bulging portion 2 of the drawing shaft member 1. In response to F, it is deformed in the diameter increasing direction D.
【００１５】なお、上述の組立方法の説明に於ては、パ
イプＰを省略したが、実際には、弾性円筒体５はパイプ
Ｐに挿入されているので、前述の図２に示したように、
変形を制限されて、パイプＰの端部の内面Ｐ0 を外径方
向へ強く押圧する。In the above description of the assembling method, the pipe P is omitted. However, since the elastic cylindrical body 5 is actually inserted into the pipe P, as shown in FIG. ,
The deformation is limited, strongly presses the inner surface P 0 of the end portion of the pipe P radially outward.
【００１６】本発明は、設計変更可能であって、例え
ば、引寄軸部材１と、基準部材６とは、キー12とキー溝
13を嵌合させる以外の方法・構造として、例えば、スプ
ライン結合や星型嵌合や多角形嵌合をもって、回転不能
・軸心Ｌ方向に摺動可能とするも良い。また、当接リン
グ９や、リング14は、省略可能である。In the present invention, the design can be changed. For example, the pulling shaft member 1 and the reference member 6 include a key 12 and a keyway.
As a method / structure other than the fitting of the 13, for example, a spline connection, a star-shaped fitting, or a polygonal fitting may be used so as to make it impossible to rotate and slide in the direction of the axis L. Further, the contact ring 9 and the ring 14 can be omitted.
【００１７】[0017]
【発明の効果】本発明は、上述の如く構成されるので、
以下に記載する効果を奏する。Since the present invention is configured as described above,
The following effects are obtained.
【００１８】（請求項１，２，３によれば）パイプＰに
ねじを切らなくても、そのままのパイプＰに接続するこ
とができる。また、簡単かつ迅速に着脱することができ
るので、多数のパイプＰ…に次々と挿入固着と抜出離脱
を繰返す作業を要する酸洗い作業等に於て、至便であ
る。According to the first, second and third aspects, the pipe P can be connected to the pipe P without cutting the thread. In addition, since it can be easily and quickly attached and detached, it is convenient for pickling work or the like that requires repeated insertion and fixing of a large number of pipes P, withdrawal and withdrawal.
【００１９】（請求項２によれば）簡単な構造にて、製
作することができる。 （請求項３によれば）チューブＴを簡単に着脱すること
ができるので、至便である。(According to claim 2), it can be manufactured with a simple structure. Since the tube T can be easily attached and detached (according to claim 3), it is convenient.
【図１】本発明の実施の一形態を示す断面側面図であ
る。FIG. 1 is a sectional side view showing an embodiment of the present invention.
【図２】使用状態を示す断面側面図である。FIG. 2 is a sectional side view showing a use state.
【図３】説明断面図である。FIG. 3 is an explanatory sectional view.
【図４】説明断面図である。FIG. 4 is an explanatory sectional view.
【図５】従来例を示す断面側面図である。FIG. 5 is a cross-sectional side view showing a conventional example.
１ 引寄軸部材 ２ 先端膨出部 ３ 挿入軸部 ４ 雄ねじ部 ５ 弾性円筒体 ６ 基準部材 ７ 回転部材 ８ 接続端部 Ｄ 拡径方向 Ｆ 圧縮力 Ｌ 軸心 Ｐ パイプ Ｐ0 内面 Ｓ 端面 Ｔ チューブDESCRIPTION OF SYMBOLS 1 Pulling shaft member 2 Tip bulging part 3 Inserting shaft part 4 Male screw part 5 Elastic cylindrical body 6 Reference member 7 Rotating member 8 Connection end part D Expanding direction F Compressive force L Shaft core P Pipe P 0 Inner surface S End surface T tube
Claims (3)
向に圧縮力Ｆを受けて、拡径方向Ｄに変形し、上記パイ
プＰの端部の内面Ｐ0 に着脱自在に圧着される弾性円筒
体５を備えたことを特徴とする管継手。1. A is inserted into the end of the pipe P, under compressive force F in the axis L direction, and deformed diameter direction D, removably bonded to the inner surface P 0 of the end portion of the pipe P A pipe joint comprising an elastic cylindrical body 5 to be formed.
向に圧縮力Ｆを受けて、拡径方向Ｄに変形し、上記パイ
プＰの端部の内面Ｐ0 に着脱自在に圧着される弾性円筒
体５と、 該弾性円筒体５が外嵌されると共に先端膨出部２を有す
る挿入軸部３と、基端側雄ねじ部４とを有する引寄軸部
材１と、 該引寄軸部材１の中間部に、回転不能・軸心Ｌ方向摺動
可能に外嵌されて上記パイプＰの端面Ｓに当接する基準
部材６と、 上記引寄軸部材１の上記雄ねじ部４に螺合して上記引寄
軸部材１を引寄せて上記弾性円筒体５を拡径方向Ｄに変
形させる回転部材７と、 を備えていることを特徴とする管継手。2. A is inserted into the end of the pipe P, under compressive force F in the axis L direction, and deformed diameter direction D, removably bonded to the inner surface P 0 of the end portion of the pipe P An elastic cylindrical body 5 to be fitted, an insertion shaft part 3 fitted with the elastic cylindrical body 5 and having a distal end bulging part 2, and a pulling shaft member 1 having a base side male screw part 4; The reference member 6 is fitted to the middle portion of the shaft member 1 so as to be non-rotatable and slidable in the direction of the axis L and abuts on the end face S of the pipe P. The male screw portion 4 of the shaft member 1 And a rotating member (7) for screwing together to draw the drawing shaft member (1) to deform the elastic cylindrical body (5) in the radially expanding direction (D).
接続される接続端部８を有する請求項２記載の管継手。3. The pipe joint according to claim 2, wherein the rotating member has a connection end to which the tube is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31099999A JP2001132882A (en) | 1999-11-01 | 1999-11-01 | Pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31099999A JP2001132882A (en) | 1999-11-01 | 1999-11-01 | Pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001132882A true JP2001132882A (en) | 2001-05-18 |
Family
ID=18011917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31099999A Pending JP2001132882A (en) | 1999-11-01 | 1999-11-01 | Pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001132882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006258213A (en) * | 2005-03-17 | 2006-09-28 | Hoshizaki Electric Co Ltd | Flexible tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS499783Y1 (en) * | 1969-05-10 | 1974-03-08 | ||
| JPS5830846U (en) * | 1981-08-21 | 1983-02-28 | 因幡電工株式会社 | Plug for leak testing of fluid piping |
-
1999
- 1999-11-01 JP JP31099999A patent/JP2001132882A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS499783Y1 (en) * | 1969-05-10 | 1974-03-08 | ||
| JPS5830846U (en) * | 1981-08-21 | 1983-02-28 | 因幡電工株式会社 | Plug for leak testing of fluid piping |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006258213A (en) * | 2005-03-17 | 2006-09-28 | Hoshizaki Electric Co Ltd | Flexible tube |
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