JP2515328Y2 - Universal joint for drainage pipe - Google Patents
Universal joint for drainage pipeInfo
- Publication number
- JP2515328Y2 JP2515328Y2 JP1990103571U JP10357190U JP2515328Y2 JP 2515328 Y2 JP2515328 Y2 JP 2515328Y2 JP 1990103571 U JP1990103571 U JP 1990103571U JP 10357190 U JP10357190 U JP 10357190U JP 2515328 Y2 JP2515328 Y2 JP 2515328Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- collar
- receiving portion
- universal joint
- receiving
- 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.)
- Expired - Fee Related
Links
Landscapes
- Joints Allowing Movement (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は排水管の自在継手に関し、特にたとえば一
方管端部の鍔を他方管端部の受容部に嵌合し、両者を相
対的に回動することによって接続角度を変更できる、排
水管の自在継手に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a universal joint for a drainage pipe, and in particular, for example, a flange at one end of a pipe is fitted into a receiving portion at the end of the other pipe, and both are relatively disposed. The present invention relates to a universal joint for a drainage pipe that can change a connection angle by rotating.
この種の従来の自在継手の一例が実公昭57−34391号
に開示されている。An example of a conventional universal joint of this type is disclosed in Japanese Utility Model Publication No. Sho 57-34391.
第４図に示す従来の自在継手１では、一方管２の端部
に形成された受容部３を、加熱軟化した状態で、他方管
４の端部に形成された鍔５に嵌合する。そして、他方管
４に対して一方管２を相対的に回動することによって、
第４図中２点鎖線で示すように、一方管２と他方管４と
の接続角度が変更され得る。In the conventional universal joint 1 shown in FIG. 4, the receiving portion 3 formed at the end of the one pipe 2 is fitted into the collar 5 formed at the end of the other pipe 4 in a softened state. Then, by rotating the one tube 2 relative to the other tube 4,
As shown by the chain double-dashed line in FIG. 4, the connection angle between the one tube 2 and the other tube 4 can be changed.
しかし、組立時に受容部３を加熱軟化すれば受容部３
には縮径方向に力が加わる。したがって、受容部３の内
径と鍔５の外径とをほぼ等しくした場合には、受容部３
の内面と鍔５の外面とが密着し、これが回動の抵抗とな
って角度変更が困難になるという問題点があった。However, if the receiving portion 3 is heated and softened during assembly, the receiving portion 3
A force is applied to the radial direction. Therefore, when the inner diameter of the receiving portion 3 and the outer diameter of the collar 5 are made substantially equal, the receiving portion 3
There is a problem in that the inner surface of the and the outer surface of the collar 5 come into close contact with each other, and this becomes a resistance against rotation, making it difficult to change the angle.
一方、受容部３の内径を鍔５の外径よりも大きくした
場合には、受容部３の内面と鍔５の外面との間に空隙が
形成されるので角度変更は容易になるが、この空隙によ
ってがたが生じるため、一方管２および他方管４の内面
を規制できなくなる。したがって、この場合には、第５
図に示すように、内面境界部６に不所望の段差が生じて
しまうので、自在継手１を排水管路に適用した場合に
は、段差部に夾雑物が溜まってしまうという問題点があ
った。On the other hand, when the inner diameter of the receiving portion 3 is made larger than the outer diameter of the collar 5, a gap is formed between the inner surface of the receiving portion 3 and the outer surface of the collar 5, so that the angle can be easily changed. Since rattling occurs due to the gap, the inner surfaces of the one tube 2 and the other tube 4 cannot be regulated. Therefore, in this case, the fifth
As shown in the figure, since an undesired step is generated at the inner surface boundary portion 6, when the universal joint 1 is applied to the drainage pipe, there is a problem that impurities are accumulated in the step portion. .
それゆえに、この考案の主たる目的は、容易に接続角
度を変更できしかも内面に不所望の段差が生じない、排
水管の自在継手を提供することである。Therefore, the main object of the present invention is to provide a universal joint for a drainage pipe, in which the connection angle can be easily changed and an undesired step is not generated on the inner surface.
この考案は、一方管の端部には鍔が形成され、他方管
の端部には鍔を受容するコ字状の受容部が形成され、受
容部を加熱軟化した状態で鍔に嵌合する排水管の自在継
手において、受容部の溝の内径を鍔の外径よりも大きく
するとともに鍔の後方に当たり面を形成して受容部のコ
字状の先端部が当たり面に当接することによって、溝の
内面と鍔の外面との間に隙間を形成するとともに、一方
管および他方管の内面を規制するようにしたことを特徴
とする、排水管の自在継手である。According to this invention, a flange is formed on one end of the pipe, and a U-shaped receiving portion for receiving the flange is formed on the other end of the pipe, and the receiving portion is fitted to the flange while being softened by heating. In the universal joint of the drainage pipe, by making the inner diameter of the groove of the receiving portion larger than the outer diameter of the flange and forming a contact surface on the rear side of the flange so that the U-shaped tip of the receiving portion contacts the contact surface, A universal joint for a drainage pipe, characterized in that a gap is formed between the inner surface of the groove and the outer surface of the flange, and the inner surfaces of the one pipe and the other pipe are regulated.
受容部の溝の内径を鍔の外径より大きくすることによ
って、受容部の内面と鍔の外面との間に隙間が形成され
る。この隙間によって生じる２つの管のがたつきは受容
部のコ字状の先端が当たり面に当たることによって解消
される。つまり、両方の管の内面が規制される。By making the inner diameter of the groove of the receiving portion larger than the outer diameter of the collar, a gap is formed between the inner surface of the receiving portion and the outer surface of the collar. The rattling of the two tubes caused by this gap is eliminated by the U-shaped tip of the receiving portion hitting the contact surface. That is, the inner surfaces of both tubes are regulated.
この考案によれば、隙間を形成したため、受容部の内
面と鍔の外面とが密着しないので、容易に２つの管を回
動して接続角度を変更できる。According to this invention, since the inner surface of the receiving portion and the outer surface of the collar do not come into close contact with each other because the gap is formed, the two pipes can be easily rotated to change the connection angle.
しかも、当たり面と受容部先端とを当接させることに
よって、一方管および他方管の内面を規制できるので、
管の内面に不所望の段差は生じない。そのため、管内面
に夾雑物が溜まるようなことはない。Moreover, the inner surfaces of the one pipe and the other pipe can be regulated by abutting the contact surface and the tip of the receiving portion,
There is no unwanted step on the inner surface of the tube. Therefore, foreign substances do not collect on the inner surface of the pipe.
この考案の上述の目的，その他の目的，特徴および利
点は、図面を参照して行う以下の実施例の詳細な説明か
ら一層明らかとなろう。The above-mentioned objects, other objects, features and advantages of the present invention will become more apparent from the detailed description of the embodiments below with reference to the drawings.
第１図を参照して、この考案の一実施例の排水管の自
在継手10は、たとえば塩化ビニル等の熱可塑性樹脂から
なる略中空円筒状の第１短管12を含む。第１短管12の一
方の端面は、第１短管12の軸線ａに直交する面ｂに対し
て所定角度θ度で傾斜される。この端面は後述する第２
短管14の接合面16と当接する接合面18となる。第１短管
12の内部は、接続するパイプ20の管端を受ける受口22と
なる。したがって、第１短管12の接合面18側の端部内周
には、パイプ20の挿入長さを規定する環状のストッパ部
24が形成される。Referring to FIG. 1, a universal joint 10 for a drainage pipe according to an embodiment of the present invention includes a first short pipe 12 having a substantially hollow cylindrical shape and made of a thermoplastic resin such as vinyl chloride. One end surface of the first short pipe 12 is inclined at a predetermined angle θ with respect to a plane b orthogonal to the axis a of the first short pipe 12. This end face is the second
The joint surface 18 comes into contact with the joint surface 16 of the short pipe 14. First short pipe
The inside of 12 becomes a receiving port 22 for receiving the pipe end of the pipe 20 to be connected. Therefore, on the inner circumference of the end portion of the first short pipe 12 on the joint surface 18 side, an annular stopper portion that defines the insertion length of the pipe 20 is provided.
24 are formed.
接合面18側の端部外周には、シールリング26を装着す
るための環状の段部28が形成される。また、段部28の外
周面上から立ち上がって環状の鍔30が形成される。鍔30
の段部28側外周端はテーパ状に傾斜される。そして、鍔
30の後方には、やや縮径して、環状の当接部32が形成さ
れる。当接部32の外周面は、後述する受容部34の先端面
と当接する当たり面36となる。An annular step portion 28 for mounting the seal ring 26 is formed on the outer periphery of the end portion on the joint surface 18 side. Further, an annular flange 30 is formed rising from the outer peripheral surface of the step portion 28. Tsuba 30
The outer peripheral edge of the step portion 28 side is inclined in a taper shape. And Tsuba
An annular contact portion 32 is formed on the rear side of 30 with a slightly reduced diameter. The outer peripheral surface of the contact portion 32 serves as a contact surface 36 that contacts the tip surface of the receiving portion 34, which will be described later.
段部28,鍔30および当接部32の共通の軸線ｃは、第１
短管12の軸線ａに対して所定角度θ度で斜交する。The common axis c of the step portion 28, the collar 30 and the contact portion 32 is the first
The short pipe 12 is obliquely intersected with the axis a of the short pipe 12 at a predetermined angle θ.
第１短管12には、たとえば塩化ビニル等の熱可塑性樹
脂からなる略中空円筒状の第２短管14が接合される。第
２短管14の外径および内径は第１短管12の外径および内
径とほぼ等しくされ、また、一方の端面は軸線ｄに直交
する面ｂに対して所定角度θ度で傾斜される。この端面
は第１短管12の接合面18と当接する接合面16となる。第
２短管14の内部は接続すべきパイプ38の管端を受ける受
口40となる。したがって、第２短管14の接合面16側の端
部内周には、パイプ38の挿入長さを規定する環状のスト
ッパ部42が形成される。このストッパ部42の内径は、第
１短管12のストッパ部24の内径とほぼ等しくされる。The first short pipe 12 is joined with a second hollow pipe 14 having a substantially hollow cylindrical shape and made of a thermoplastic resin such as vinyl chloride. The outer diameter and inner diameter of the second short pipe 14 are made substantially equal to the outer diameter and inner diameter of the first short pipe 12, and one end face is inclined at a predetermined angle θ with respect to the plane b orthogonal to the axis d. . This end surface serves as a joint surface 16 that contacts the joint surface 18 of the first short pipe 12. The inside of the second short pipe 14 serves as a receptacle 40 for receiving the pipe end of the pipe 38 to be connected. Therefore, an annular stopper portion 42 that defines the insertion length of the pipe 38 is formed on the inner circumference of the end portion of the second short pipe 14 on the joint surface 16 side. The inner diameter of the stopper portion 42 is made substantially equal to the inner diameter of the stopper portion 24 of the first short pipe 12.
また、接合面16側の端部外周面上から立ち上がってシ
ールリング26を押圧するシールリング押圧部44が形成さ
れる。そして、シールリング押圧部44の外表面上からさ
らに立ち上がって鍔30を受容する受容部34が形成され
る。受容部34は、鍔30が離脱するのを防止するために、
その先端部46の内側面が鍔30の側面と当接する断面コ字
（またはＵ字状）に形成される。受容部34の溝48の内径
は鍔30の外径より大きくされ、これによって、溝48の内
面と鍔30の外面との間には空隙50が形成される。また、
先端部46の内径は当接部32の外径とほぼ等しくされ、こ
れによって、その先端面すなわち受容部34の先端面は当
たり面36と当接される。先端部46の開口側内周端はテー
パ状に傾斜される。Further, a seal ring pressing portion 44 that rises from the outer peripheral surface of the end portion on the joint surface 16 side and presses the seal ring 26 is formed. Then, a receiving portion 34 that further rises from the outer surface of the seal ring pressing portion 44 and receives the collar 30 is formed. The receiving portion 34 is provided to prevent the collar 30 from coming off.
The inner side surface of the tip end portion 46 is formed in a U-shaped cross section (or U-shape) in contact with the side surface of the collar 30. The inner diameter of the groove 48 of the receiving portion 34 is made larger than the outer diameter of the collar 30, whereby a gap 50 is formed between the inner surface of the groove 48 and the outer surface of the collar 30. Also,
The inner diameter of the tip portion 46 is made substantially equal to the outer diameter of the contact portion 32, so that the tip surface thereof, that is, the tip surface of the receiving portion 34 is brought into contact with the contact surface 36. The inner peripheral edge of the tip end portion 46 on the opening side is tapered.
シールリング押圧部44および受容部34は、第１短管12
の段部28,鍔30および当接部32と軸線ｃを共有する。The seal ring pressing portion 44 and the receiving portion 34 include the first short pipe 12
The axis line c is shared with the step portion 28, the collar 30, and the abutting portion 32.
この自在継手10を組み立てるには、まず、別々に成型
された第１短管12および第２短管14を準備し、第１短管
12の段部28にシールリング26を装着する。続いて、第２
短管14の受容部34をたとえば温風等で加熱軟化する。そ
して、受容部34を拡径し、これを第１短管12の鍔30に嵌
合する。この実施例によれば、鍔30と受容部34のそれぞ
れの端部がテーパ状に傾斜されているので、テーパ面ど
うしを当接させた状態で嵌合方向に力を加えれば、鍔30
は受容部34を徐々に拡径しながら奥部に挿入される。し
たがって、比較的スムーズに嵌合できる。In order to assemble this universal joint 10, first, the first short pipe 12 and the second short pipe 14 which are separately molded are prepared, and then the first short pipe
The seal ring 26 is attached to the step portion 28 of 12. Then, the second
The receiving portion 34 of the short tube 14 is heated and softened by, for example, warm air. Then, the diameter of the receiving portion 34 is expanded, and this is fitted into the collar 30 of the first short pipe 12. According to this embodiment, since the respective end portions of the collar 30 and the receiving portion 34 are inclined in a taper shape, if a force is applied in the fitting direction while the tapered surfaces are in contact with each other, the collar 30
Is inserted into the inner part while gradually expanding the diameter of the receiving part 34. Therefore, the fitting can be relatively smoothly performed.
この実施例によれば、第２図に示すように、第１短管
12に対して第２短管14を相対的に回動することによっ
て、それぞれの軸線ａとｄとが成す角度を０度〜２θ度
の間で変更することができる。この角度変更の幅は、接
合面16および18の傾斜角度を変えることで適宜調整され
得る。According to this embodiment, as shown in FIG.
By rotating the second short pipe 14 relative to 12, the angle formed by the respective axes a and d can be changed between 0 degrees and 2θ degrees. The width of this angle change can be appropriately adjusted by changing the inclination angles of the joint surfaces 16 and 18.
また、受容部34の内面と鍔30の外面との間に空隙50が
形成されるので、従来のように両者が密着しないので、
容易に角度変更できる。Further, since the gap 50 is formed between the inner surface of the receiving portion 34 and the outer surface of the collar 30, the two do not adhere to each other as in the conventional case,
The angle can be easily changed.
しかも、受容部34の先端面が当たり面36と当接するこ
とによって第１短管12および第２短管14の内面を規制で
きるので、両管の内面に不所望の段差が生じるのを防止
できる。したがって、下水を通水した場合でも夾雑物が
溜まるようなことはない。なお、先端部46の内周端をテ
ーパ状に傾斜させることによって、受容部34の先端面と
当たり面36との接触面積を小さくしているので、組立時
に加熱軟化することによって受容部34が縮径し、両者が
密着したとしても、回動性を損なうほどの大きな抵抗は
生じない。Moreover, since the inner surfaces of the first short pipe 12 and the second short pipe 14 can be regulated by the contact of the tip end surface of the receiving portion 34 with the contact surface 36, it is possible to prevent undesired steps from occurring on the inner surfaces of both pipes. . Therefore, even if sewage is passed through, contaminants will not accumulate. Since the contact area between the tip surface of the receiving portion 34 and the contact surface 36 is reduced by inclining the inner peripheral end of the distal end portion 46 in a tapered shape, the receiving portion 34 can be softened by heating during assembly. Even if the diameter is reduced and the two are brought into close contact with each other, a large resistance that impairs the rotatability does not occur.
なお、この考案は、上述の実施例のようなエルボ型の
自在継手のほか、第３図に示すような桝の流入管部52の
自在継手等にも適用できる。The present invention can be applied not only to the elbow type universal joint as in the above-described embodiment but also to the universal joint of the inflow pipe portion 52 of the rod as shown in FIG.
第１図はこの考案の一実施例を示す図解図である。 第２図は第１図実施例において角度変更した状態を示す
図解図である。 第３図はこの考案の他の実施例を示す図解図である。 第４図は従来技術を示す図解図である。 第５図は第４図従来技術において、内面に不所望の段差
が生じた状態を示す図解図である。 図において、10は排水管の自在継手、12は第１短管、14
は第２短管、26はシールリング、28は段部、30は鍔、32
は当接部、34は受容部、36は当たり面、44はシールリン
グ押圧部、46は先端部、48は溝、50は空隙を示す。FIG. 1 is an illustrative view showing one embodiment of this invention. FIG. 2 is an illustrative view showing a state in which the angle is changed in the embodiment of FIG. FIG. 3 is an illustrative view showing another embodiment of the present invention. FIG. 4 is an illustrative view showing a conventional technique. FIG. 5 is an illustrative view showing a state in which an undesired step is formed on the inner surface in the prior art of FIG. In the figure, 10 is a universal joint for a drain pipe, 12 is a first short pipe, and 14
Is the second short pipe, 26 is a seal ring, 28 is a step, 30 is a collar, 32
Is a contact portion, 34 is a receiving portion, 36 is a contact surface, 44 is a seal ring pressing portion, 46 is a tip portion, 48 is a groove, and 50 is a void.
Claims (1)
端部には前記鍔を受容するコ字状の受容部が形成され、
前記受容部を加熱軟化した状態で前記鍔に嵌合する排水
管の自在継手において、 前記受容部の溝の内径を前記鍔の外径よりも大きくする
とともに前記鍔の後方に当たり面を形成して前記受容部
の前記コ字状の先端部が前記当たり面に当接することに
よって、前記溝の内面と前記鍔の外面との間に隙間を形
成するとともに、前記一方管および前記他方管の内面を
規制するようにしたことを特徴とする、排水管の自在継
手。1. A flange is formed at the end of one pipe, and a U-shaped receiving portion is formed at the end of the other pipe for receiving the flange.
In a universal joint for a drainage pipe fitted into the collar in a state where the receiving section is heated and softened, an inner diameter of a groove of the receiving section is made larger than an outer diameter of the collar, and a contact surface is formed at the rear of the collar. The U-shaped tip portion of the receiving portion abuts the contact surface to form a gap between the inner surface of the groove and the outer surface of the collar, and to secure the inner surfaces of the one pipe and the other pipe. A universal joint for drainage pipes characterized by being regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990103571U JP2515328Y2 (en) | 1990-10-01 | 1990-10-01 | Universal joint for drainage pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990103571U JP2515328Y2 (en) | 1990-10-01 | 1990-10-01 | Universal joint for drainage pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0462492U JPH0462492U (en) | 1992-05-28 |
| JP2515328Y2 true JP2515328Y2 (en) | 1996-10-30 |
Family
ID=31848505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990103571U Expired - Fee Related JP2515328Y2 (en) | 1990-10-01 | 1990-10-01 | Universal joint for drainage pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515328Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012520707A (en) * | 2009-03-20 | 2012-09-10 | フレセニウス メディカル ケア ドイチェランド ゲーエムベーハー | Adapter for connecting the connector of the container to the connection socket of the dialysis machine |
| JP2012211605A (en) * | 2011-03-30 | 2012-11-01 | Kubota-Ci Co | Universal joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5734391U (en) * | 1980-07-30 | 1982-02-23 |
-
1990
- 1990-10-01 JP JP1990103571U patent/JP2515328Y2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012520707A (en) * | 2009-03-20 | 2012-09-10 | フレセニウス メディカル ケア ドイチェランド ゲーエムベーハー | Adapter for connecting the connector of the container to the connection socket of the dialysis machine |
| JP2012211605A (en) * | 2011-03-30 | 2012-11-01 | Kubota-Ci Co | Universal joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0462492U (en) | 1992-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |