JP2001141160A - Connection joint having flexible membrane - Google Patents
Connection joint having flexible membraneInfo
- Publication number
- JP2001141160A JP2001141160A JP2000262900A JP2000262900A JP2001141160A JP 2001141160 A JP2001141160 A JP 2001141160A JP 2000262900 A JP2000262900 A JP 2000262900A JP 2000262900 A JP2000262900 A JP 2000262900A JP 2001141160 A JP2001141160 A JP 2001141160A
- Authority
- JP
- Japan
- Prior art keywords
- joint
- valve
- joints
- joint body
- flexible membrane
- 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
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は改良された配管用接
続継手に関するものであり、さらに詳しくは、外部から
継ぎ手の流体流路領域への細菌の侵入を防ぐ構造の内弁
を有する継ぎ手からなる接続継ぎ手に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved joint for piping, and more particularly, to a joint having an inner valve having a structure for preventing bacteria from entering the fluid passage area of the joint from the outside. Regarding connection fittings.
【0002】[0002]
【従来の技術】流体の移送に際しては、たとえばホース
の先端に雄、雌の構造を有する継ぎ手を用いることは多
く、種々の分野用に各種の継ぎ手が市販されている。特
に、食品製造に用いられる継ぎ手は、内部に異物、雑菌
が入り込まないことが要求される。この要求を満たすた
めに、従来の接続継ぎ手の主要部を示す図4に示された
ような、内弁付きでかつ接続面を洗浄する機能を有する
継ぎ手からなる接続継ぎ手が提案されている(特開平7
−167364号公報)。図4において、継ぎ手Aの内
弁Cの弁軸50の内部に洗浄チャンバー51が設けら
れ、この洗浄チャンバーの先端部には洗浄液噴出口52
が設けられており、他方の継ぎ手Bの内弁Dの弁軸53
の内部には、上記噴出口からの洗浄液を外部に排出する
ための外部排出用流路54が設けられている。2. Description of the Related Art In transferring a fluid, for example, a joint having a male or female structure is often used at the end of a hose, and various joints are commercially available for various fields. In particular, a joint used for food production is required to be free from foreign matter and germs. In order to satisfy this requirement, there has been proposed a connecting joint having an inner valve and having a function of cleaning a connecting surface, as shown in FIG. Kaihei 7
167364). In FIG. 4, a cleaning chamber 51 is provided inside a valve shaft 50 of an inner valve C of a joint A, and a cleaning liquid jet 52 is provided at a tip end of the cleaning chamber.
Is provided, and the valve shaft 53 of the inner valve D of the other joint B is provided.
Is provided with an external discharge channel 54 for discharging the cleaning liquid from the jet port to the outside.
【0003】上記の継ぎ手AおよびBはそれぞれの接続
面55および56で接続される。その後、内弁Cを押し
下げることにより内弁Dもともに押し下げられ、流路が
形成され、内弁Cを元の位置に戻すことにより内弁Dも
元の位置に戻って流路は閉鎖される。流路を形成すると
き内弁を押し下げるが、そのとき外界にさらされていた
弁軸50の上部は、軸シール部57を通過して継ぎ手流
路内に入り込み、流路内の流体と接触する。流路を遮断
するとき弁軸を上方に移動させるが、この際液と接触し
た弁軸の部分が外界にさらされる。すなわち、流路の形
成・遮断の操作によって、継ぎ手Aの弁軸の一部は軸シ
ール部を通過することで継ぎ手の内部と外界を行き来す
る。同様に、継ぎ手Bについても弁軸53の下部は、シ
ール部58を通過して継ぎ手内部と外界を行き来する。The above-mentioned joints A and B are connected at connection surfaces 55 and 56, respectively. Thereafter, by pushing down the inner valve C, the inner valve D is also pushed down, a flow path is formed, and by returning the inner valve C to the original position, the inner valve D also returns to the original position and the flow path is closed. . When the flow path is formed, the inner valve is pushed down. At that time, the upper part of the valve shaft 50 exposed to the outside passes through the shaft seal portion 57 and enters the joint flow path, and comes into contact with the fluid in the flow path. . When the flow path is shut off, the valve shaft is moved upward, and at this time, the portion of the valve shaft that has come into contact with the liquid is exposed to the outside. That is, by the operation of forming and blocking the flow path, a part of the valve shaft of the joint A moves between the inside and the outside of the joint by passing through the shaft seal portion. Similarly, for the joint B, the lower portion of the valve shaft 53 moves between the inside and the outside of the joint through the seal portion 58.
【0004】そのために、弁軸50および53は、それ
ぞれ軸シール部57および58によってシールされてい
るとはいえ、わずかの隙間が存在し、また細菌は極めて
微細なため、弁軸が外界と接触した際、弁軸表面に付着
した細菌は軸シール部を通過して継ぎ手内部に進入する
可能性があり、継ぎ手の接続部分のみを洗浄する従来の
方法では、弁軸が軸シール部を通過することによる雑菌
の進入を防止できない。For this reason, although the valve shafts 50 and 53 are sealed by the shaft seals 57 and 58, respectively, there are slight gaps and the bacteria are extremely fine, so that the valve shafts come into contact with the outside world. When doing so, bacteria adhering to the valve shaft surface may pass through the shaft seal portion and enter the inside of the joint, and in the conventional method of cleaning only the joint portion of the joint, the valve shaft passes through the shaft seal portion. Therefore, the invasion of various bacteria cannot be prevented.
【0005】雑菌の進入は食品の製造一般、特に発酵に
よる製造分野においては、製品の品質に極めて重大な影
響を与えるので、是非とも防止する必要がある。[0005] Invasion of various bacteria in general in the production of food, particularly in the field of production by fermentation, has a very significant effect on the quality of the product and must be prevented by all means.
【0006】[0006]
【発明が解決しようとする課題】本発明は、弁軸の動作
による外界から流路内の流体への雑菌の侵入を防止する
ことができる継ぎ手からなる接続継ぎ手を提供すること
を目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a connection joint comprising a joint capable of preventing invasion of various bacteria into the fluid in the flow path from the outside by the operation of the valve shaft.
【0007】[0007]
【課題を解決するための手段】本発明の上記目的は、次
の接続継ぎ手により達成される。The above object of the present invention is achieved by the following connecting joint.
【0008】2個の継ぎ手からなり、これら継ぎ手間を
シールするシール手段およびこれら継ぎ手間を固定する
固定手段を有する接続継ぎ手であって、各継ぎ手は流体
流入または流出用管路と弁座が設けられた接続口を有す
る継ぎ手胴部、この継ぎ手胴部を貫通し、一端に前記弁
座に相対して密着または離脱して接続口を閉鎖または開
放する内弁を、他端に内弁駆動手段を有する弁軸、およ
び前記弁軸と前記継ぎ手胴部の内壁とを連結して継ぎ手
胴部の内部を、接続口と管路とを繋ぐ流路領域と前記弁
軸が前記継ぎ手胴部を貫通する流路外領域とに区分し、
それによって流体を流路外領域に漏洩しないようにする
可撓性膜を有してなることを特徴とする可撓性膜付き接
続継ぎ手。[0008] A connecting joint comprising two joints and having sealing means for sealing between these joints and fixing means for fixing between these joints, each joint being provided with a fluid inlet or outlet pipe and a valve seat. A joint body having a connection port provided therein, an inner valve which penetrates the joint body, closes or detaches at one end relative to the valve seat to close or open the connection port, and an inner valve driving means at the other end. A valve shaft having the valve shaft, the valve shaft connected to the inner wall of the joint body, the inside of the joint body, a flow path region connecting a connection port and a pipe, and the valve shaft penetrating the joint body. Outside the flow path area
A connection joint with a flexible membrane, characterized by having a flexible membrane for preventing a fluid from leaking to a region outside the flow path.
【0009】[0009]
【発明の実施の形態】以下に、本発明の接続継ぎ手を添
付図面を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A connection joint according to the present invention will be described below with reference to the accompanying drawings.
【0010】図1は、2個の継ぎ手が接続される前の状
態での本発明の接続継ぎ手の全体を示し、図2は2個の
継ぎ手が接続された状態での本発明の接続継ぎ手の全体
を示す。FIG. 1 shows the entire connection joint of the present invention before the two joints are connected, and FIG. 2 shows the connection joint of the present invention in a state where the two joints are connected. Show the whole.
【0011】本発明の接続継ぎ手を構成する2個の継ぎ
手は、その接続面のシール手段および2個の継ぎ手間の
固定手段を除いて同一であるので一方の継ぎ手について
のみ説明する。The two joints constituting the connection joint of the present invention are the same except for the sealing means on the connection surface and the fixing means between the two joints, so only one joint will be described.
【0012】図1および2において、継ぎ手胴部5は流
体流入または流出用管路7および弁座3が設けられた接
続口6を有する。この継ぎ手胴部5を貫通して弁軸4が
設けられる。弁軸の接続口6側の一端には内弁2が設け
られ、弁軸4の他端は内弁駆動手段8に連結される。弁
座3には内弁2との間をシールするためのシール手段1
3、例えばテフロン(登録商標)製リングが設けられ
る。In FIGS. 1 and 2, the joint body 5 has a fluid inlet or outlet conduit 7 and a connection port 6 provided with a valve seat 3. The valve shaft 4 is provided through the joint body 5. The inner valve 2 is provided at one end of the valve shaft on the connection port 6 side, and the other end of the valve shaft 4 is connected to the inner valve driving means 8. Sealing means 1 for sealing between the valve seat 3 and the inner valve 2
3, for example, a Teflon (registered trademark) ring is provided.
【0013】内弁2は弁座3に相対する弁体30および
弁体30の空間部を覆って外部から遮断する図示した球
面状の覆いとからなっている。この覆いは球面状以外の
任意の形状のものであってもよいが、水切りなどの目的
のためには球面状が好ましい。The inner valve 2 comprises a valve body 30 facing the valve seat 3 and a spherical cover as shown, which covers the space of the valve body 30 and is cut off from the outside. This cover may be of any shape other than a spherical shape, but a spherical shape is preferred for the purpose of draining or the like.
【0014】内弁駆動手段8は、自動開閉のための空気
アクチュエーターを用いた場合を示しているが、電磁
石、手動ハンドル等の周知の手段が用いられる。Although the inner valve driving means 8 uses a pneumatic actuator for automatic opening / closing, known means such as an electromagnet and a manual handle are used.
【0015】弁軸4の全外周と継ぎ手胴部5の内壁の全
内周とに密着固定されて可撓性膜1が設けられる。可撓
性膜1は、継ぎ手胴部5の内部を、接続口6と管路7と
を繋ぐ流路領域Xと弁軸4が継ぎ手胴部5を貫通する流
路外領域Yとに区分して流体が流路外領域Yに漏洩しな
いようにする。The flexible membrane 1 is provided in close contact with the entire outer periphery of the valve shaft 4 and the entire inner periphery of the inner wall of the joint body 5. The flexible membrane 1 divides the inside of the joint body 5 into a flow path area X connecting the connection port 6 and the conduit 7 and an outside flow path area Y in which the valve shaft 4 passes through the joint body 5. Thus, the fluid is prevented from leaking to the region Y outside the flow path.
【0016】可撓性膜1は、可撓性があり、かつ流体の
浸透を防ぎ、流体に対して安定な材料製膜である。この
ような膜の例としてジエン系ゴム、オレフィン系ゴム、
シリコーンゴム、フッ素ゴムなどの合成ゴム製膜、波付
きフッ素樹脂膜、波付き金属薄膜等が挙げられる。これ
らの膜から、処理すべき流体に適した膜が選択される。
たとえば、アルコールを含む飲料製造分野では、フッ素
ゴム膜、波付きフッ素樹脂膜または波付き金属薄膜が着
臭防止の点から好ましい。The flexible membrane 1 is a flexible membrane made of a material that is flexible, prevents penetration of fluid, and is stable against fluid. Examples of such membranes include diene rubber, olefin rubber,
Examples include a synthetic rubber film such as silicone rubber and fluorine rubber, a corrugated fluororesin film, and a corrugated metal thin film. From these membranes, a membrane suitable for the fluid to be treated is selected.
For example, in the field of producing beverages containing alcohol, a fluororubber film, a corrugated fluororesin film, or a corrugated metal thin film is preferable from the viewpoint of preventing odor.
【0017】可撓性膜1の弁軸4への取付けを、弁軸が
可撓性膜を貫通する部分の詳細の一例を示す図3を参照
して以下に説明する。図3において、弁軸4の周囲に設
けた弁体30および押さえ金具40の間に可撓性膜1を
挟み込んで、弁体30の上端に設けた固定式シール手段
20、例えば合成ゴム製Oリングを介して密着固定して
いる。フッ素樹脂膜、波付き金属薄膜の取付けの場合
に、図3に示したような取付け方法が、特に好適に用い
られる。合成ゴムの場合は、弾性が高いため、弁軸に設
けた縁部に直接ビスまたはネジにより固定してもよい。
ビスまたはネジの間隔は、用いられた可撓性膜が、その
縁部と密着固定するのに必要な間隔とするのがよい。The attachment of the flexible membrane 1 to the valve stem 4 will be described below with reference to FIG. 3, which shows an example of a detail of a portion where the valve stem penetrates the flexible membrane. In FIG. 3, the flexible film 1 is sandwiched between a valve body 30 and a holding member 40 provided around the valve shaft 4, and fixed sealing means 20 provided at the upper end of the valve body 30, for example, a synthetic rubber O It is tightly fixed via a ring. In the case of attaching a fluororesin film or a corrugated metal thin film, an attachment method as shown in FIG. 3 is particularly preferably used. In the case of synthetic rubber, since the elasticity is high, it may be fixed directly to an edge provided on the valve stem with screws or screws.
The interval between the screws or screws is preferably an interval necessary for the used flexible membrane to be tightly fixed to the edge thereof.
【0018】以上説明した継ぎ手2個を接続する方法を
以下に説明する。2個の継ぎ手のいずれか一方の接続部
12の接続面にシール手段、例えば合成ゴム製Oリング
10が設けられて両継ぎ手の接続面間をシールする。ま
た、接続面を固定するために図1および2に示されたよ
うな接続面固定手段11が設けられている。この接続面
固定手段11は固定手段オス側11aと固定手段メス側
11bとからなり、レバーを空気アクチュエーターなど
で駆動することによって固定手段メス側11bである爪
を、固定手段オス側11aである溝部に機械的に固定す
るものである。上記のような固定手段以外に両継ぎ手の
接続部の周囲にそれぞれ固定用フランジを設け、これら
のフランジをクランプで固定することも可能である。A method of connecting the two joints described above will be described below. A sealing means, for example, an O-ring 10 made of synthetic rubber is provided on the connection surface of one of the connection portions 12 of the two joints to seal between the connection surfaces of the two joints. In addition, a connection surface fixing means 11 as shown in FIGS. 1 and 2 is provided for fixing the connection surface. The connecting surface fixing means 11 is composed of a fixing means male side 11a and a fixing means female side 11b, and by driving a lever with an air actuator or the like, the claw which is the fixing means female side 11b is turned into a groove which is the fixing means male side 11a. Mechanically fixed to the In addition to the above fixing means, it is also possible to provide fixing flanges around the joints of the two joints, and fix these flanges with clamps.
【0019】両継ぎ手を接続固定したのち、両継ぎ手の
内弁2をそれぞれ内弁駆動手段8により開くと、両継ぎ
手の管路7は連絡し、流体は一方の管路7から他方の管
路7へ流れる。両継ぎ手を切り離す場合は、内弁駆動手
段8により、それぞれの内弁2を閉じて後、接続固定手
段11の固定を解き、両継ぎ手を離す。After the two joints are connected and fixed, the inner valves 2 of the two joints are opened by the inner valve driving means 8, respectively. The conduits 7 of the two joints communicate with each other, and the fluid flows from one conduit 7 to the other conduit. Flow to 7. When disconnecting the two joints, the inner valve driving means 8 closes each inner valve 2, then releases the fixing of the connection fixing means 11, and releases the two joints.
【0020】なお、本発明の接続継ぎ手の材料として
は、ステンレス鋼を用いるのが、特に食品製造分野にお
いては一般的であるが、取り扱う流体により、それに適
応した材料を選択することができる。As the material of the joint of the present invention, stainless steel is generally used, particularly in the field of food production, but a material suitable for the fluid to be handled can be selected.
【0021】[0021]
【発明の効果】本発明によれば、接続継ぎ手の各継ぎ手
の内部は可撓性膜および固定式シール手段(図3に示す
番号20)により流体が流れる流路領域と、流路外領域
とに区分されるので、弁軸の駆動により外部の雑菌が継
ぎ手内に侵入することはない。According to the present invention, the inside of each joint of the connecting joint is formed by a flexible membrane and fixed sealing means (the numeral 20 shown in FIG. 3). Therefore, external germs do not enter the joint by driving the valve shaft.
【図1】2個の継ぎ手が接続される前の状態での本発明
の接続継ぎ手の全体図である。FIG. 1 is an overall view of a connecting joint of the present invention before two joints are connected.
【図2】2個の継ぎ手が接続された状態での本発明の接
続継ぎ手の全体図である。FIG. 2 is an overall view of the connection joint of the present invention in a state where two joints are connected.
【図3】弁軸が可撓性膜を貫通する部分の一例を示す詳
細図である。FIG. 3 is a detailed view showing an example of a portion where a valve stem penetrates a flexible membrane.
【図4】2個の継ぎ手が接続された状態での従来の接続
継ぎ手の全体図である。FIG. 4 is an overall view of a conventional connection joint in a state where two joints are connected.
1 可撓性膜 2 内弁 3 弁座 4 弁軸 5 継ぎ手胴部 6 接続口 7 管路 8 内弁駆動手段 10、20 Oリング 11 継ぎ手固定手段 11a 継ぎ手固定手段オス側 11b 継ぎ手固定手段メス側 12 接続部 30 弁体 40 押え金具 X 流路領域 Y 流路外領域 A、B 継ぎ手 C、D 内弁 50、53 弁軸 51 洗浄チャンバー 52 洗浄液噴出口 54 外部排出用流路 55、56 接続面 57、58 軸シール部 DESCRIPTION OF SYMBOLS 1 Flexible membrane 2 Inner valve 3 Valve seat 4 Valve shaft 5 Joint body 6 Connection port 7 Pipe line 8 Inner valve driving means 10, 20 O-ring 11 Joint fixing means 11a Joint fixing means male side 11b Joint fixing means female side DESCRIPTION OF SYMBOLS 12 Connection part 30 Valve element 40 Holder X Flow path area Y Flow path outside area A, B Joint C, D Inner valve 50, 53 Valve shaft 51 Cleaning chamber 52 Cleaning liquid jet 54 External discharge flow path 55, 56 Connection surface 57, 58 Shaft seal
フロントページの続き (72)発明者 奥田 修 千葉県浦安市日の出6C−706 (72)発明者 川田 久 東京都墨田区墨田2−39−1Continued on the front page (72) Inventor Osamu Okuda 6C-706 Hinode, Urayasu-shi, Chiba (72) Inventor Hisashi Kawada 2-39-1 Sumida, Sumida-ku, Tokyo
Claims (1)
をシールするシール手段およびこれら継ぎ手間を固定す
る固定手段を有する接続継ぎ手であって、各継ぎ手は流
体流入または流出用管路と弁座が設けられた接続口を有
する継ぎ手胴部、この継ぎ手胴部を貫通し、一端に前記
弁座に相対して密着または離脱して接続口を閉鎖または
開放する内弁を、他端に内弁駆動手段を有する弁軸、お
よび前記弁軸と前記継ぎ手胴部の内壁とを連結して継ぎ
手胴部の内部を、接続口と管路とを繋ぐ流路領域と前記
弁軸が前記継ぎ手胴部を貫通する流路外領域とに区分
し、それによって流体が流路外領域に漏洩しないように
する可撓性膜を有してなることを特徴とする可撓性膜付
き接続継ぎ手。1. A connecting joint comprising two joints, having a sealing means for sealing between the joints and a fixing means for fixing the joints, wherein each joint has a fluid inlet or outlet pipe and a valve seat. A joint body having a connection port provided with an inner valve that penetrates the joint body, closes or opens at one end relative to the valve seat to close or open the connection port, and an inner valve at the other end. A valve shaft having driving means, and a flow passage region connecting the valve shaft and an inner wall of the joint body to connect the inside of the joint body with a connection port and a pipe, and the valve shaft comprising the joint body. And a flexible membrane that divides the fluid into an outer flow path area that penetrates the flow path, thereby preventing a fluid from leaking into the outer flow path area.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000262900A JP2001141160A (en) | 1999-08-31 | 2000-08-31 | Connection joint having flexible membrane |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28586099 | 1999-08-31 | ||
JP11-285860 | 1999-08-31 | ||
JP2000262900A JP2001141160A (en) | 1999-08-31 | 2000-08-31 | Connection joint having flexible membrane |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001141160A true JP2001141160A (en) | 2001-05-25 |
Family
ID=26556051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000262900A Pending JP2001141160A (en) | 1999-08-31 | 2000-08-31 | Connection joint having flexible membrane |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2001141160A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0269196U (en) * | 1988-11-15 | 1990-05-25 | ||
JPH07167364A (en) * | 1993-11-26 | 1995-07-04 | Toyo Eng Corp | Connecting joint |
JPH07293773A (en) * | 1994-04-26 | 1995-11-10 | Toyo Eng Corp | Fluid coupling |
-
2000
- 2000-08-31 JP JP2000262900A patent/JP2001141160A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0269196U (en) * | 1988-11-15 | 1990-05-25 | ||
JPH07167364A (en) * | 1993-11-26 | 1995-07-04 | Toyo Eng Corp | Connecting joint |
JPH07293773A (en) * | 1994-04-26 | 1995-11-10 | Toyo Eng Corp | Fluid coupling |
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