JPH0314634Y2 - - Google Patents
Info
- Publication number
- JPH0314634Y2 JPH0314634Y2 JP348388U JP348388U JPH0314634Y2 JP H0314634 Y2 JPH0314634 Y2 JP H0314634Y2 JP 348388 U JP348388 U JP 348388U JP 348388 U JP348388 U JP 348388U JP H0314634 Y2 JPH0314634 Y2 JP H0314634Y2
- Authority
- JP
- Japan
- Prior art keywords
- joint
- connection
- air
- insertion hole
- pressure
- 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
Links
- 238000003780 insertion Methods 0.000 claims description 29
- 230000037431 insertion Effects 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は圧力バランス形継手、特に、空気圧回
路の接続部に用いて効果のある技術に関するもの
である。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a pressure-balanced joint, and in particular to a technique that is effective when used in a connection part of a pneumatic circuit.
流体圧回路、たとえば空気圧回路の接続部に用
いられる継手としては従来から様々なものが提案
されている。
Various types of joints have been proposed for use in connection parts of fluid pressure circuits, for example, pneumatic circuits.
たとえば、その一つの例として、空気圧配管の
接続のためにねじを用いて接続を行うものがあ
る。しかしながら、このような接続構造のもの
は、接続に手間がかかるという重大な欠点があ
る。 For example, one example is a connection using screws for connecting pneumatic piping. However, such a connection structure has a serious drawback in that it takes time and effort to connect.
そこで、簡易な配管接続を行うものとして、い
わゆる急速継手がある。この種の急速継手は空気
圧配管のワンタツチ接続が可能であり、極めて便
利に使用されている。 Therefore, a so-called quick joint is available as a method for making a simple pipe connection. This type of quick coupling allows one-touch connection of pneumatic piping and is extremely convenient to use.
ところが、空気圧回路に用いられる継手は、空
気圧の圧力による推力で接続部が抜けてしまうと
いう問題がある。
However, joints used in pneumatic circuits have a problem in that the connecting portion may come off due to the thrust caused by the pressure of the pneumatic pressure.
この問題は空気圧回路には不可避的に発生する
もので、前記急速継手においても、この問題を解
消するために継手内に配管係止用の爪を内蔵し、
この爪により配管の抜け止めを図つている。 This problem inevitably occurs in pneumatic circuits, and in order to solve this problem, the quick coupling has a built-in claw for locking the pipe inside the coupling.
This pawl is used to prevent the piping from coming off.
しかし、この爪はその製作および固定が困難
で、構造が複雑化する上に、配管を外すためにい
わゆる開放リングを必要とするなどの問題があ
る。 However, this claw is difficult to manufacture and fix, and has a complicated structure, and also requires a so-called release ring to remove the pipe.
本考案の目的は、配管などの係止爪を必要とす
ることなく、ワンタツチで確実な接続を行うこと
のできる圧力バランス形継手を提供することにあ
る。 An object of the present invention is to provide a pressure-balanced joint that can be reliably connected with one touch without requiring locking claws for piping or the like.
〔課題を解決するための手段〕
本考案の圧力バランス形継手は、それぞれの空
気配管に接続される第１の継手部分の継手挿入孔
の中に第２の継手部分の接続突起部を挿入するだ
けで、継手内において前記接続突起部を継手挿入
孔から抜去する方向に働く力と、挿入する方向に
働く力とがバランスされるように構成したもので
ある。[Means for Solving the Problems] The pressure balanced type joint of the present invention inserts the connecting protrusion of the second joint part into the joint insertion hole of the first joint part connected to each air pipe. The structure is such that the force acting in the direction of removing the connection protrusion from the joint insertion hole and the force acting in the direction of inserting the connection protrusion within the joint are balanced.
前記した手段によれば、継手内において抜去方
向の力と挿入方向の力とのバランスが得られるこ
とにより、第１の継手部分の継手挿入孔の中に第
２の継手部分の接続突起部を挿入するだけで、両
継手部分は互いに確実に結合される。
According to the above-described means, a balance can be obtained between the force in the withdrawal direction and the force in the insertion direction within the joint, so that the connecting protrusion of the second joint part can be inserted into the joint insertion hole of the first joint part. By simply inserting, the two joint parts are securely connected to each other.
〔実施例 １〕
第１図は本考案の一実施例である圧力バランス
形継手の断面図、第２図はこの継手を基板方式の
空気圧回路に組み込んだ例を示す概略的外観斜視
図である。[Example 1] Fig. 1 is a sectional view of a pressure balance type joint which is an embodiment of the present invention, and Fig. 2 is a schematic external perspective view showing an example of incorporating this joint into a board-type pneumatic circuit. .
本実施例の圧力バランス形継手は、たとえば第
２図に示すような基板方式の空気圧回路部分Ａの
接続部に使用されるもので、第１の継手部分１と
第２の継手部分２とからなる。 The pressure balance type joint of this embodiment is used, for example, as a connection part of a board type pneumatic circuit part A as shown in FIG. Become.
第１の継手部分１は、第１の空気配管３を接続
する継手部材４を挿入するための第１の空気流通
孔５と、後述する接続突起の挿入用の継手挿入孔
６と、これらの孔５と６を互いに直角方向に接続
する空気接続孔７と、継手挿入孔６と外部（大
気）を連通させる空気抜き孔８とを有している。 The first joint portion 1 includes a first air circulation hole 5 for inserting a joint member 4 for connecting the first air pipe 3, a joint insertion hole 6 for inserting a connection protrusion to be described later, and It has an air connection hole 7 that connects the holes 5 and 6 at right angles to each other, and an air vent hole 8 that communicates the joint insertion hole 6 with the outside (atmosphere).
一方、第２の継手部分２は、前記継手挿入孔６
の中に挿入される接続突起部９を有し、この接続
突起部９の中には、該突起部９の挿入時に前記第
１の空気流通孔５と連通する第２の空気流通孔１
０が形成されている。第２の空気流通孔１０は第
１図の左端側において外部に開口しており、その
開口端には、第２の空気配管１２を接続するため
の継手部材１１が挿入されている。 On the other hand, the second joint portion 2 has the joint insertion hole 6
A connecting projection 9 is inserted into the connecting projection 9, and a second air circulation hole 1 is provided in the connection projection 9, which communicates with the first air circulation hole 5 when the projection 9 is inserted.
0 is formed. The second air circulation hole 10 is open to the outside at the left end side in FIG. 1, and a joint member 11 for connecting the second air pipe 12 is inserted into the open end.
また、前記継手挿入孔６と接続突起部９との挿
入接続部をシールするため、前記空気接続孔７の
両側にそれぞれ第１のシールリング１３と第２の
シールリング１４とが配設されている。 Further, in order to seal the insertion connection between the joint insertion hole 6 and the connection protrusion 9, a first seal ring 13 and a second seal ring 14 are provided on both sides of the air connection hole 7, respectively. There is.
さらに、第２の継手部分２の端面には、第２図
に示す基板方式の電気回路部分Ｅを構成するプリ
ント基板Ｐが挿入固定されている。この電気回路
部分Ｅは前記空気圧回路部分Ａと組み合わされ
て、基板方式の電気−空気圧サーキツトボードを
構成する。 Furthermore, a printed circuit board P constituting a circuit board type electric circuit section E shown in FIG. 2 is inserted and fixed into the end surface of the second joint section 2. This electric circuit section E is combined with the pneumatic circuit section A to form a board type electro-pneumatic circuit board.
そのため、電気回路部分Ｅにおけるプリント基
板Ｐの上には、抵抗やトランジスタ、AND回路
等の電子回路素子１５が形成され、着脱可能な接
続プラグ１６を介して外部回路および電源（図示
せず）と接続可能となつている。 Therefore, electronic circuit elements 15 such as resistors, transistors, and AND circuits are formed on the printed circuit board P in the electric circuit portion E, and are connected to an external circuit and a power source (not shown) via a detachable connection plug 16. It is now possible to connect.
また、プリント基板Ｐの上には、前記空気圧回
路部分Ａの第２の空気配管１２と接続される弁１
７（たとえば電磁弁等）が複数個搭載されてい
る。 Further, on the printed circuit board P, a valve 1 connected to the second air pipe 12 of the pneumatic circuit portion A is provided.
7 (for example, solenoid valves, etc.).
次に、本実施例の作用について説明する。 Next, the operation of this embodiment will be explained.
まず、第１の継手部分１の継手挿入孔６の中に
接続突起部９を挿入すると、第１の空気配管３か
ら継手部材４、第１の空気流通孔５、空気接続孔
７、第２の空気流通孔１０、継手部材１１、第２
の空気配管１２、さらには弁１７に至る空気圧回
路が形成される。 First, when the connecting protrusion 9 is inserted into the joint insertion hole 6 of the first joint portion 1, the first air pipe 3 is connected to the joint member 4, the first air circulation hole 5, the air connection hole 7, and the second air connection hole 7. air circulation hole 10, joint member 11, second
A pneumatic circuit is formed that extends to the air piping 12 and further to the valve 17.
この状態において、第１の空気配管３から圧縮
空気を流入させると、その圧縮空気は第１の空気
流通孔５から空気接続孔７を経て第２の空気流通
孔１０に供給される。この時に、継手挿入孔６と
接続突起部９との接続部におけるシールリング１
３と１４との筒状の空間Ｓにおいては、シールリ
ング１３に加わる圧力P1と、シールリング１４
に加わる圧力P2とが互いに等しくなり、（P1＝
P2）、圧力バランス状態となる。 In this state, when compressed air is allowed to flow in from the first air pipe 3, the compressed air is supplied from the first air circulation hole 5 to the second air circulation hole 10 via the air connection hole 7. At this time, the seal ring 1 at the connection part between the joint insertion hole 6 and the connection protrusion 9
In the cylindrical space S between 3 and 14, the pressure P 1 applied to the seal ring 13 and the pressure P 1 applied to the seal ring 14
The pressures P 2 and P 2 applied to are equal to each other, and (P 1 =
P 2 ), the pressure becomes balanced.
したがつて、継手挿入孔６と接続突起部９との
接続部には、圧縮空気の圧入にもかかわらず、接
続突起部９を継手挿入孔６から抜け出させようと
する推力は働かず、継手接続状態は安定して維持
される。 Therefore, even though compressed air is press-fitted at the connection between the joint insertion hole 6 and the connection protrusion 9, no thrust is applied to the connection protrusion 9 to remove it from the joint insertion hole 6, and the joint The connection state is maintained stably.
それにより、単に第２の継手部分２の接続突起
部９を第１の継手挿入孔６に差し込むだけで、確
実な空気圧接続が得られる。 Thereby, a reliable pneumatic connection can be obtained by simply inserting the connecting protrusion 9 of the second joint part 2 into the first joint insertion hole 6.
〔実施例 ２〕 第３図は本考案の他の実施例の断面図である。[Example 2] FIG. 3 is a sectional view of another embodiment of the present invention.
本実施例では、第２の継手部分２がいわゆるマ
ニホールド構造となつており、第２の空気流通孔
１０から空気はマニホールド連通孔１８に供給さ
れる。 In this embodiment, the second joint portion 2 has a so-called manifold structure, and air is supplied from the second air circulation hole 10 to the manifold communication hole 18.
また、本実施例では、接続部のシールリング１
９が１個だけ配設され、しかもこのシールリング
１９は空気接続孔７の出口部に該接続孔７の軸線
を取り囲むように配置されている。 In addition, in this embodiment, the seal ring 1 of the connection part
Only one seal ring 9 is provided, and this seal ring 19 is arranged at the outlet of the air connection hole 7 so as to surround the axis of the connection hole 7.
この実施例においても、第１の空気流通孔５か
ら空気接続孔７を経て第２の空気流通孔１０に圧
縮空気を供給しても、シールリング１９の半径方
向に加わる圧力はどの方向に対しても等しく、接
続突起部９を継手挿入孔６から抜け出させようと
する推力は発生しない。 In this embodiment as well, even if compressed air is supplied from the first air circulation hole 5 to the second air circulation hole 10 via the air connection hole 7, the pressure applied in the radial direction of the seal ring 19 will not be applied in any direction. Similarly, no thrust force is generated to force the connection protrusion 9 to come out of the joint insertion hole 6.
したがつて、接続突起部９を継手挿入孔６の中
に差し込むだけで、第１の継手部分１と第２の継
手部分２は確実に空気圧接続される。 Therefore, simply by inserting the connecting protrusion 9 into the joint insertion hole 6, the first joint part 1 and the second joint part 2 are reliably connected pneumatically.
なお、両継手部分１と２が互いの自重により脱
落しないように確保するため、両継手部分１，２
を、突起２０とそれに対応する凹部とでスナツプ
式に係合させるようにしてもよいが、これは必須
のものではなく、また空気圧に起因する推力に対
する抜け止めのためのものではない。 In addition, in order to ensure that both joint parts 1 and 2 do not fall off due to their own weight, both joint parts 1 and 2 are
The protrusion 20 and the corresponding recess may be engaged in a snap-type manner, but this is not essential and is not intended to prevent the protrusion from slipping off against thrust caused by air pressure.
以上、本考案を実施例に関して説明したが、本
考案は前記実施例に限定されるものではなく、他
の様々な変形が可能である。 Although the present invention has been described above with reference to embodiments, the present invention is not limited to the embodiments described above, and various other modifications are possible.
たとえば、第１および第２の継手部分１，２さ
らにはプリント基板Ｐの構造や形状などは任意の
ものを採用することができる。 For example, the structure and shape of the first and second joint portions 1 and 2 as well as the printed circuit board P may be arbitrary.
(1) 本考案によれば、空気圧回路の接続部に用い
られる継手であつて、第１の空気配管に接続さ
れ、その内部に第１の空気流通路および継手挿
入孔を有する第１の継手部分と、この第１の継
手部分の前記継手挿入孔に挿脱されかつ挿入時
に前記第１の空気流通路に連通可能な第２の空
気流通路を有する接続突起部を備え、第２の空
気配管に接続される第２の継手部分と、前記第
１および第２の継手部分どうしの接続部をシー
ルするシール手段とからなり、前記接続突起部
を前記継手挿入孔に挿入した時に前記接続突起
部を前記継手挿入孔から抜去する方向に働く圧
力と挿入する方向に働く圧力とがバランスされ
るよう構成することにより、圧縮空気を印加し
なくても、圧力バランスによつて、接続突起部
を継手挿入孔から抜け出させようとする推力は
発生せず、接続突起部を継手挿入孔に挿入する
だけで圧力バランスによる継手部分の空気圧接
続を確実に得ることができる。
(1) According to the present invention, a first joint used for a connection part of a pneumatic circuit is connected to a first air pipe and has a first air flow path and a joint insertion hole therein. and a connecting protrusion having a second air flow passage that can be inserted into and removed from the joint insertion hole of the first joint part and communicate with the first air flow passage when inserted, and a second air flow passage. It consists of a second joint part connected to the pipe, and a sealing means for sealing the joint between the first and second joint parts, and when the connection projection part is inserted into the joint insertion hole, the connection projection By configuring the structure so that the pressure acting in the direction of removing the part from the joint insertion hole and the pressure acting in the direction of inserting it from the joint insertion hole are balanced, the connection protrusion can be moved by the pressure balance without applying compressed air. No thrust force is generated to force the joint to come out of the joint insertion hole, and the pneumatic connection of the joint portion can be reliably achieved by pressure balance simply by inserting the connecting protrusion into the joint insertion hole.
(2) 前記(1)により、空気圧回路のサーキツトボー
ド化が可能となり、空気圧回路と電気回路の複
合化も容易に可能となる。(2) According to (1) above, it is possible to form a pneumatic circuit into a circuit board, and it is also possible to easily combine a pneumatic circuit and an electric circuit.
第１図は本考案の一実施例である圧力バランス
形継手の断面図、第２図はこの継手を基板方式の
空気圧回路に組み込んだ例を示す概略的外観斜視
図、第３図は本考案の他の実施例の断面図であ
る。
１……第１の継手部分、２……第２の継手部
分、３……第１の空気配管、４……継手部材、５
……第１の空気流通孔、６……継手挿入孔、７…
…空気接続孔、８……空気抜き孔、９……接続突
起部、１０……第２の空気流通孔、１１……継手
部材、１２……第２の空気配管、１３……第１の
シールリング、１４……第２のシールリング、１
５……電子回路素子、１６……接続プラグ、１７
……弁、１８……マニホールド連通孔、１９……
シールリング、２０……突起、Ａ……空気圧回路
部分、Ｅ……電気回路部分、Ｐ……プリント基
板、P1，P2……圧力、Ｓ……空間。
Fig. 1 is a cross-sectional view of a pressure-balanced joint that is an embodiment of the present invention, Fig. 2 is a schematic external perspective view showing an example of incorporating this joint into a board-type pneumatic circuit, and Fig. 3 is a sectional view of the pressure-balanced joint according to the present invention. FIG. 3 is a sectional view of another embodiment of the invention. DESCRIPTION OF SYMBOLS 1...First joint part, 2...Second joint part, 3...First air piping, 4...Joint member, 5
...First air circulation hole, 6...Joint insertion hole, 7...
...Air connection hole, 8...Air vent hole, 9...Connection protrusion, 10...Second air circulation hole, 11...Joint member, 12...Second air piping, 13...First seal Ring, 14...Second seal ring, 1
5... Electronic circuit element, 16... Connection plug, 17
...Valve, 18...Manifold communication hole, 19...
Seal ring, 20...Protrusion, A...Pneumatic circuit part, E...Electric circuit part, P...Printed circuit board, P1 , P2 ...Pressure, S...Space.
Claims (1)
て、第１の空気配管に接続され、その内部に第
１の空気流通路および継手挿入孔を有する第１
の継手部分と、この第１の継手部分の前記継手
挿入孔に挿脱されかつ挿入時に前記第１の空気
流通路に連通可能な第２の空気流通路を有する
接続突起部を備え、第２の空気配管に接続され
る第２の継手部分と、前記第１および第２の継
手部分どうしの接続部をシールするシール手段
とからなり、前記接続突起部を前記継手挿入孔
に挿入した時に前記接続突起部を前記継手挿入
孔から抜去する方向に働く圧力と挿入する方向
に働く圧力とがバランスされるよう構成したこ
とを特徴とする圧力バランス形継手。 ２ 前記第１または第２の継手部分の少なくとも
一方が基板方式の空気圧回路に結合されてなる
ことを特徴とする請求項１記載の圧力バランス
形継手。[Claims for Utility Model Registration] 1. A joint used for a connection part of a pneumatic circuit, which is connected to a first air pipe and has a first air flow path and a joint insertion hole therein.
and a connecting protrusion having a second air flow passage that is inserted into and removed from the joint insertion hole of the first joint part and that can communicate with the first air flow passage when inserted, and a second air flow passage. a second joint portion connected to the air piping; and a sealing means for sealing the connecting portion between the first and second joint portions, and when the connecting protrusion is inserted into the joint insertion hole. 1. A pressure-balance type joint, characterized in that the pressure acting in the direction of removing the connection protrusion from the joint insertion hole and the pressure acting in the direction of insertion are balanced. 2. The pressure balanced joint according to claim 1, wherein at least one of the first or second joint portion is coupled to a board-type pneumatic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP348388U JPH0314634Y2 (en) | 1988-01-14 | 1988-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP348388U JPH0314634Y2 (en) | 1988-01-14 | 1988-01-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01108492U JPH01108492U (en) | 1989-07-21 |
| JPH0314634Y2 true JPH0314634Y2 (en) | 1991-04-02 |
Family
ID=31205157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP348388U Expired JPH0314634Y2 (en) | 1988-01-14 | 1988-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314634Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307881A (en) * | 2005-04-26 | 2006-11-09 | Mitsubishi Electric Engineering Co Ltd | Fluid coupling device and fluid coupling unit |
-
1988
- 1988-01-14 JP JP348388U patent/JPH0314634Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01108492U (en) | 1989-07-21 |
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