JP2000170971A - Fitting - Google Patents
FittingInfo
- Publication number
- JP2000170971A JP2000170971A JP10349652A JP34965298A JP2000170971A JP 2000170971 A JP2000170971 A JP 2000170971A JP 10349652 A JP10349652 A JP 10349652A JP 34965298 A JP34965298 A JP 34965298A JP 2000170971 A JP2000170971 A JP 2000170971A
- Authority
- JP
- Japan
- Prior art keywords
- housing
- rubber sleeve
- pipe
- tightening
- 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.)
- Granted
Links
Landscapes
- Joints With Sleeves (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、管対管の突き合わ
せ部を接続する管継手に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe joint for connecting pipe-to-pipe butt portions.
【０００２】従来の管継手の一つに接続する管対管を一
定の間隙を保持しながら、不連続になった端部を締め付
けることによるハウジングタイプのものがある。2. Description of the Related Art There is a housing type in which a discontinuous end is tightened while a constant gap is maintained in a pipe-to-pipe connected to one of conventional pipe fittings.
【０００３】この種の管継手のハウジングは、円周方向
の一端が不連続となった円筒形状の箇所にボルト締結機
構をもち、円筒形状軸方向両端部に内周方向の縁部をも
ち、ボルトの締結により内径が縮められる構造となって
おり、また、内面に接続すべき管の密封用ゴムスリーブ
と管に食込む爪部を有する鋼製の締め付け環を有し、ハ
ウジングを締め付けることによりゴムスリーブが管端部
全周に密着するとともに爪部が管外周に食込み、引き抜
け力に対抗するようになっている。A housing of this kind of pipe joint has a bolt fastening mechanism at a cylindrical portion where one end in the circumferential direction is discontinuous, and has an inner circumferential edge at both ends in the cylindrical axial direction. It has a structure in which the inner diameter is reduced by fastening bolts, and has a steel sealing ring having a sealing rubber sleeve for the pipe to be connected to the inner surface and a claw portion that bites into the pipe, and by tightening the housing The rubber sleeve is brought into close contact with the entire circumference of the pipe end, and the claw portion bites into the outer circumference of the pipe, thereby opposing the pull-out force.
【０００４】この種の管継手は、例えばドイツ特許第２
４２８１０７号、日本特許第１０３２５３４号、同第１
１５７９９５号、同第１６２９５７７号に見られ、対向
する管対管の接続については実用上満足するものがある
が、締め付け環の耐力に若干の課題を有する。[0004] Pipe fittings of this kind are described, for example, in German Patent No. 2
No. 428107, Japanese Patent No. 1032534, No. 1
As seen in US Pat. Nos. 157995 and 1629577, there is a practically satisfactory connection between opposed tubes, but there is some problem in the strength of the fastening ring.
【０００５】図９に示すように、締め付け環３は、通
常、爪３１と板状部３２とからなり、ハウジング１に装
着されているゴムスリーブ２の端部とハウジング１の円
筒形状軸方向端部の内周方向の縁部１３との間に装着さ
れて、内周及び外周から押え具４、５により支持され
て、締め付け力を加えることにより接続すべき管６に爪
３１を食込ます。[0005] As shown in FIG. 9, the tightening ring 3 usually comprises a claw 31 and a plate-like portion 32, and the end of the rubber sleeve 2 mounted on the housing 1 and the end of the housing 1 in the axial direction of the cylinder. It is installed between the inner peripheral edge 13 of the part and is supported by the retainers 4 and 5 from the inner and outer circumferences, and the nail 31 bites into the pipe 6 to be connected by applying a tightening force. .
【０００６】この構造においては、締め付け環３は、ハ
ウジング１との接続面積が少なく、締め付け力に抗する
耐力が少なく、締め付け力を均一に保持することのでき
ないことがある。また、締め付け力に抗することのでき
るように押え具４、５を用いるため部品点数も多くな
る。In this structure, the fastening ring 3 has a small connection area with the housing 1, has a small resistance to the fastening force, and may not be able to maintain the fastening force uniformly. Further, since the holding members 4 and 5 are used so as to be able to withstand the tightening force, the number of parts is increased.
【０００７】[0007]
【発明が解決しようとする課題】本発明は、このような
締め付け環の締め付け力に抗する耐力不足という課題を
解決するとともに部品点数を減らすことのできる管継手
を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a pipe joint which can solve the problem of insufficient strength against the tightening force of the tightening ring and can reduce the number of parts.
【０００８】[0008]
【課題を解決するための手段】上記の課題は、円周方向
の一端が不連続となった円筒形状のハウジングの不連続
箇所にボルト締結機構をもち、ハウジングの内部に接続
すべき管への密封用のゴムスリーブと締め付け環を有す
る管継手において、ゴムスリーブをハウジングの内面
に、ハウジングの円筒形状軸方向端部の内周方向の縁部
とゴムスリーブの端部との間に空隙を保って装着し、上
記縁部と上記端部間に内縁に爪を有するほぼ断面三角形
状の締め付け環を、一辺をゴムスリーブの端部に密接す
るとともに一辺をハウジング内面に密接するようにして
嵌合してなる管継手を提供することで解決する。SUMMARY OF THE INVENTION An object of the present invention is to provide a cylindrical housing having a bolt fastening mechanism at a discontinuous point at one end in the circumferential direction, the bolt being connected to a pipe to be connected inside the housing. In a pipe joint having a sealing rubber sleeve and a tightening ring, a gap is maintained between an inner circumferential edge of a cylindrical axial end of the housing and an end of the rubber sleeve on the inner surface of the housing. A fitting ring having a substantially triangular cross section having a claw on the inner edge between the edge and the end is fitted so that one side is in close contact with the end of the rubber sleeve and one side is in close contact with the inner surface of the housing. The problem is solved by providing a new pipe joint.
【０００９】[0009]
【発明の実施の形態】つぎに、本発明の実施の形態を図
面に基づき説明する。Next, an embodiment of the present invention will be described with reference to the drawings.
【００１０】図１及び図２は、円周方向の一端が円筒形
状の不連続箇所に締め付け板１１、締め付けボルト１２
等からなる締め付け機構をもち、軸方向両端に縁部１３
をもつハウジング１の内面に接続すべき管の密着用ゴム
スリーブ２と締め付け環３が装着された管継手を示す。FIG. 1 and FIG. 2 show a clamping plate 11 and a clamping bolt 12 at a discontinuous location where one end in the circumferential direction is cylindrical.
And the like.
1 shows a pipe joint in which a rubber sleeve 2 for tightly fitting a pipe to be connected to an inner surface of a housing 1 and a tightening ring 3 are attached.
【００１１】ゴムスリーブ２は、図３及び図４に示すよ
うに、ハウジング１の内面にハウジング１の円筒形状軸
方向端部の内周方向の縁部１３と、ゴムスリーブ２の端
部間に締め付け環３が嵌合できる空隙７を保って接着な
どによって装着される。As shown in FIGS. 3 and 4, the rubber sleeve 2 is provided between the inner peripheral edge 13 of the cylindrical axial end of the housing 1 and the end of the rubber sleeve 2 on the inner surface of the housing 1. It is mounted by bonding or the like while maintaining a gap 7 in which the fastening ring 3 can be fitted.
【００１２】締め付け環３は、同じく図３及び図４に示
すように内縁に爪３１を有するほぼ断面三角形状に形成
されて、ハウジング１の円筒形状軸方向端部の内周方向
の縁部１３とゴムスリーブ２の端部間に一辺をゴムスリ
ーブ２の端部に密接するとともに一辺をハウジング１の
内面に密接して嵌合されている。The tightening ring 3 is formed in a substantially triangular cross section having a claw 31 on the inner edge as shown in FIGS. 3 and 4, and has an inner circumferential edge 13 at the cylindrical end of the housing 1 in the axial direction. One side is closely fitted to the end of the rubber sleeve 2 and one side is closely fitted to the inner surface of the housing 1.
【００１３】このようにして、全体として、ゴムスリー
ブ２をハウジング１の内面に、ハウジング１の円筒形状
軸方向端部の内周方向の縁部１３とゴムスリーブ２の端
部との間に空隙７を保って装着し、ハウジング１の縁部
１３とゴムスリーブ２の端部間に内縁に爪３１を有する
ほぼ断面三角形状の締め付け環３を、一辺をゴムスリー
ブ２の端部に、一辺をハウジング１の内面に密接するよ
うにして嵌合してなる管継手が形成される。Thus, as a whole, the rubber sleeve 2 is provided on the inner surface of the housing 1, and a gap is provided between the inner peripheral edge 13 of the cylindrical axial end of the housing 1 and the end of the rubber sleeve 2. 7, a clamp ring 3 having a substantially triangular cross section having a claw 31 on the inner edge between the edge 13 of the housing 1 and the end of the rubber sleeve 2, one side being the end of the rubber sleeve 2, and one side being A pipe joint that is fitted so as to be in close contact with the inner surface of the housing 1 is formed.
【００１４】なお、締め付け環３の爪３１は、図６乃至
図８に示すように板状部３２の内縁に形成され、その形
状は種々のものが考えられる。The claws 31 of the tightening ring 3 are formed on the inner edge of the plate portion 32 as shown in FIGS. 6 to 8, and various shapes can be considered.
【００１５】この管継手を用いての対向する管の接続
は、図５に示すように、これまでと同様に、接続すべき
管５の端部をハウジング１に挿入（図では対向する一方
の管側は省略してある）してハウジング１を締め付け
る。ハウジング１を締め付けるとゴムスリーブ２は、管
６の外周面に密着し、締め付け環３の爪３１は管６の外
周面に食込み、一体となる。As shown in FIG. 5, the connection of the opposed pipes using this pipe joint is performed by inserting the end of the pipe 5 to be connected into the housing 1 as shown in FIG. The tube side is omitted) and the housing 1 is tightened. When the housing 1 is tightened, the rubber sleeve 2 comes into close contact with the outer peripheral surface of the tube 6, and the claws 31 of the tightening ring 3 bite into the outer peripheral surface of the tube 6 to be integrated.
【００１６】[0016]
【発明の効果】本発明は、上述のようにしてなるのでつ
ぎの効果を有する。The present invention has the following effects because it is constructed as described above.
【００１７】締め付け環の形状を断面三角形状に形成し
たことで、一辺をケーシングの内面に密接することがで
きるので、締め付け環のハウジングの内面への接触面積
が大きくなり、締め付け時の締め付け力を均一に保持す
ることができる。By forming the shape of the tightening ring into a triangular cross section, one side can be in close contact with the inner surface of the casing, so that the contact area of the tightening ring with the inner surface of the housing is increased, and the tightening force at the time of tightening is reduced. It can be kept uniform.
【００１８】締め付け環の形状を断面三角形状にしたこ
とで、締め付け環自体が大きな耐力を有するので、継手
本体の耐力の向上を図れる。Since the shape of the tightening ring has a triangular cross section, the tightening ring itself has a large proof stress, so that the proof strength of the joint body can be improved.
【００１９】従来の締め付け環の場合のように両面から
の押え具を必要としないので部品数を少なくすることが
できる。Unlike the conventional fastening ring, there is no need to use a holding tool from both sides, so that the number of parts can be reduced.
【図１】本発明の実施の形態の一例を示す側面図であ
る。FIG. 1 is a side view showing an example of an embodiment of the present invention.
【図２】本発明の実施の形態の一例を示す正面図であ
る。FIG. 2 is a front view showing an example of an embodiment of the present invention.
【図３】図２のＡ−Ａ断面一部詳細図である。FIG. 3 is a partially detailed view taken along the line AA of FIG. 2;
【図４】図３のＢ部拡大概略図である。FIG. 4 is an enlarged schematic view of a portion B in FIG. 3;
【図５】ハウジングに接続すべき管を接続するときの概
略説明図である。FIG. 5 is a schematic explanatory view when a pipe to be connected to a housing is connected.
【図６】締め付け環に形成した爪の形状を示す概略説明
図である。FIG. 6 is a schematic explanatory view showing a shape of a nail formed on a fastening ring.
【図７】締め付け環に形成した爪の形状の別の例を示す
概略説明図である。FIG. 7 is a schematic explanatory view showing another example of the shape of the nail formed on the fastening ring.
【図８】締め付け環に形成した爪の形状のさらに別の例
を示す概略説明図である。FIG. 8 is a schematic explanatory view showing still another example of the shape of the nail formed on the tightening ring.
【図９】従来例を示す概略説明図である。FIG. 9 is a schematic explanatory view showing a conventional example.
１ ハウジング １１ 締め付け板 １２ ボルト １３ 縁部 ２ スリーブ ３ 締め付け環 ３１ 爪 ３２ 板状部 ４ 押え具 ５ 押え具 ６ 管 DESCRIPTION OF SYMBOLS 1 Housing 11 Clamping plate 12 Bolt 13 Edge 2 Sleeve 3 Clamping ring 31 Claw 32 Plate-shaped part 4 Presser 5 Presser 6 Tube
Claims (1)
状のハウジングの不連続箇所にボルト締結機構をもち、
ハウジングの内部に接続すべき管への密封用のゴムスリ
ーブと締め付け環を有する管継手において、ゴムスリー
ブをハウジングの内面に、ハウジングの円筒形状軸方向
端部の内周方向の縁部とゴムスリーブの端部との間に空
隙を保って装着し、上記縁部と上記端部間に内縁に爪を
有するほぼ断面三角形状の締め付け環を、一辺をゴムス
リーブの端部に密接するとともに一辺をハウジング内面
に密接するようにして嵌合してなることを特徴とする管
継手。1. A bolt fastening mechanism is provided at a discontinuous portion of a cylindrical housing whose one end in the circumferential direction is discontinuous,
In a pipe joint having a rubber sleeve for sealing a pipe to be connected to the inside of a housing and a tightening ring, a rubber sleeve is provided on an inner surface of the housing, and an inner peripheral edge of a cylindrical axial end of the housing and a rubber sleeve. Attachment with a gap between the end of the rubber sleeve, a substantially triangular cross-sectional tightening ring having a claw on the inner edge between the edge and the end, one side closely contact the end of the rubber sleeve and one side A pipe joint characterized by being fitted closely to an inner surface of a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10349652A JP3100368B2 (en) | 1998-12-09 | 1998-12-09 | Pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10349652A JP3100368B2 (en) | 1998-12-09 | 1998-12-09 | Pipe fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000170971A true JP2000170971A (en) | 2000-06-23 |
| JP3100368B2 JP3100368B2 (en) | 2000-10-16 |
Family
ID=18405192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10349652A Expired - Fee Related JP3100368B2 (en) | 1998-12-09 | 1998-12-09 | Pipe fittings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3100368B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007512481A (en) * | 2003-11-07 | 2007-05-17 | ブリーズ−トルカ・プロダクツ・リミテッド・ライアビリティ・カンパニー | Pipe clamp with integral latch |
| EP2363367A2 (en) | 2010-03-02 | 2011-09-07 | Murata Machinery, Ltd. | Textile machine and pipe joint |
| JP2021046873A (en) * | 2019-09-17 | 2021-03-25 | 井上商事株式会社 | Pipe connection structure |
-
1998
- 1998-12-09 JP JP10349652A patent/JP3100368B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007512481A (en) * | 2003-11-07 | 2007-05-17 | ブリーズ−トルカ・プロダクツ・リミテッド・ライアビリティ・カンパニー | Pipe clamp with integral latch |
| JP4933896B2 (en) * | 2003-11-07 | 2012-05-16 | ノーマ・ユー・エス・ホールディング・リミテッド・ライアビリティ・カンパニー | Pipe clamp having a latch and pipe assembly including the same |
| EP2363367A2 (en) | 2010-03-02 | 2011-09-07 | Murata Machinery, Ltd. | Textile machine and pipe joint |
| JP2021046873A (en) * | 2019-09-17 | 2021-03-25 | 井上商事株式会社 | Pipe connection structure |
| JP7092365B2 (en) | 2019-09-17 | 2022-06-28 | 井上商事株式会社 | Piping connection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3100368B2 (en) | 2000-10-16 |
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