JPH09202398A - Emergency shut-off apparatus for fuel feeder - Google Patents
Emergency shut-off apparatus for fuel feederInfo
- Publication number
- JPH09202398A JPH09202398A JP8028611A JP2861196A JPH09202398A JP H09202398 A JPH09202398 A JP H09202398A JP 8028611 A JP8028611 A JP 8028611A JP 2861196 A JP2861196 A JP 2861196A JP H09202398 A JPH09202398 A JP H09202398A
- Authority
- JP
- Japan
- Prior art keywords
- pipe joint
- tensile force
- broken
- piece
- resistance
- 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
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
- F16L29/00—Joints with fluid cut-off means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Joints That Cut Off Fluids, And Hose Joints (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、ガソリンスタンド
等の給油所に設置された給油装置の緊急遮断装置に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency shutoff device for a refueling device installed at a gas station such as a gas station.
【０００２】[0002]
【従来の技術】給油所においては、給油中に被給油車が
不用意に動き出してノズルが引っ張られ、給油ホースが
引きちぎられたり、給油経路の接続部が外れたりする事
故が発生することがある。この対策として、給油管路に
所定値以上の引張力が働くと、被破壊片（連結片）が破
断して、一対の管継手が互いに離脱することで、内蔵さ
れている弁が流路を閉止する緊急遮断装置が種々提案さ
れている。2. Description of the Related Art At a gas station, an accident may occur in which the vehicle to be refueled unintentionally moves during refueling, the nozzle is pulled, the refueling hose is torn off, and the connection portion of the refueling path is disconnected. . As a countermeasure against this, when a tensile force of a predetermined value or more acts on the refueling pipeline, the destructible piece (connecting piece) breaks and the pair of pipe joints separate from each other, causing the built-in valve to open the flow path. Various emergency shutoff devices for closing have been proposed.
【０００３】ところで、管継手は給油スタンドに接続さ
れており、管継手に働く引張力は、その軸線方向に働く
とは限らず、径方向の成分を含んだ方向（以下、「斜め
方向」という。）に働く場合があり、この場合、被破壊
片が破断しにくかったり、あるいは、破断しないという
問題がある。この対策として、一対の管継手を球面すべ
り軸受のように、球面接触させて、斜め方向に引張力が
働いた場合にも、被破壊片が破断するようにした緊急遮
断装置が知られている（特公平６−７６１１８号公報参
照）。By the way, the pipe joint is connected to a fueling stand, and the tensile force acting on the pipe joint does not always act in the axial direction thereof, but in a direction including a radial component (hereinafter, referred to as "oblique direction"). .), In which case there is a problem that the piece to be destroyed is difficult to break or does not break. As a countermeasure against this, an emergency shutoff device is known in which a pair of pipe joints are brought into spherical contact like a spherical plain bearing so that even if a tensile force acts in an oblique direction, the pieces to be broken are broken. (See Japanese Patent Publication No. 6-76118).
【０００４】[0004]
【発明が解決しようとする課題】しかし、軸線方向に引
張力が働いたときと、斜め方向に引張力が働いたときと
では、同じ大きさの引張力であっても、被破壊片に生じ
る応力が異なる。そのため、斜め方向に引張力が働いた
際には、小さな引張力で被破壊片が破断するという現象
を呈する。したがって、給油ホースに所定の大きな引張
力が働いていないにもかかわらず、緊急遮断装置が作動
するという問題がある。However, even when the tensile force acts in the axial direction and when the tensile force acts in the oblique direction, even if the tensile force is the same, it is generated in the fractured piece. The stress is different. Therefore, when a tensile force acts in an oblique direction, the fractured piece breaks with a small tensile force. Therefore, there is a problem that the emergency shutoff device operates even if a predetermined large tensile force is not applied to the fuel supply hose.
【０００５】本発明は前記従来の問題に鑑みてなされた
もので、その目的は、斜め方向に引張力が働いた場合に
も作動し得ると共に、管継手に働く引張力の方向にかか
わらず、緊急遮断装置が作動する引張力の大きさのバラ
ツキを小さくすることである。The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to operate even when a tensile force acts in an oblique direction, and regardless of the direction of the tensile force acting on the pipe joint. The purpose is to reduce variations in the magnitude of the tensile force at which the emergency shutoff device operates.
【０００６】[0006]
【課題を解決するための手段】本発明は、第１管継手と
第２管継手とが連結片を介して互いに接続され、前記第
２管継手に接続された給油ホースに所定値以上の引張力
が働いた際に、前記連結片が変形ないし破断して、前記
第２管継手が第１管継手から離脱すると共に、前記第１
管継手内の弁体が第１管継手の弁座に着座して流路を閉
止することを前提とする。本発明は、前記目的を達成す
るために、前記第２管継手が前記第１管継手に対して前
記第２管継手の軸線を含む平面に沿って回転可能となる
ように、前記両管継手を構成すると共に、前記第２管継
手が前記平面に沿って回転しながら引っ張られる際に変
形して抵抗となり、かつ、前記第２管継手が軸線方向に
引っ張られる際の抵抗よりも、前記第２管継手が前記平
面に沿って回転しながら引っ張られる際の抵抗の方が大
きな抵抗となる抵抗部を設けている。なお、「前記第２
管継手の軸線」とは、前記両管継手の接合部分における
流路の流れ方向に平行な中心線をいう。According to the present invention, a first pipe joint and a second pipe joint are connected to each other via a connecting piece, and a refueling hose connected to the second pipe joint is pulled by a predetermined value or more. When a force is applied, the connecting piece is deformed or broken, the second pipe joint is separated from the first pipe joint, and the first pipe joint is separated.
It is assumed that the valve body in the pipe joint is seated on the valve seat of the first pipe joint to close the flow path. In order to achieve the above object, the present invention provides the both pipe joints such that the second pipe joint is rotatable with respect to the first pipe joint along a plane including an axis of the second pipe joint. And the second pipe joint is deformed to become resistance when being pulled while rotating along the plane, and is more resistance than the resistance when the second pipe joint is pulled in the axial direction. A resistance portion is provided so that the resistance when the two-pipe joint is pulled while rotating along the plane is greater. In addition, "the second
The "axial line of the pipe joint" means a center line parallel to the flow direction of the flow path in the joint portion of the both pipe joints.
【０００７】本発明によれば、第２管継手に対して斜め
方向に引張力が働くと、第２管継手が軸線を含む平面に
沿って回転しながら引っ張られると共に、この際に、抵
抗部が変形して抵抗となる。そのため、引張力の方向に
かかわらず、緊急遮断装置が作動する引張力の大きさの
バラツキが小さくなる。According to the present invention, when a tensile force acts diagonally on the second pipe joint, the second pipe joint is pulled while rotating along a plane including the axis, and at the same time, the resistance portion is pulled. Is transformed into resistance. Therefore, regardless of the direction of the pulling force, variations in the magnitude of the pulling force with which the emergency shutoff device operates are reduced.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施形態を図面に
したがって説明する。図１および図２は第１実施形態を
示す。図１において、緊急遮断装置Ａは、第１管継手
１、第２管継手２、被破壊片（連結片）３および弁体４
などで構成されている。第１管継手１は、給油スタンド
に固着された給油管５に接続され、一方、第２管継手２
は給油ホース６の上流端部に接続されている。Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment. In FIG. 1, the emergency shutoff device A includes a first pipe joint 1, a second pipe joint 2, a destructible piece (coupling piece) 3, and a valve body 4.
It is composed of The first pipe joint 1 is connected to an oil supply pipe 5 fixed to a fueling stand, while the second pipe joint 2 is connected thereto.
Is connected to the upstream end of the fuel supply hose 6.
【０００９】前記第１管継手１内には、開状態に保持さ
れた弁体４が収納されていると共に、弁座１０が形成さ
れている。前記第１管継手１と第２管継手２との間に
は、保持片７が挟み付けられており、この保持片７は、
第１管継手１内の空間に入り込んで弁体４を開状態に保
持している。なお、弁体４は、バネ８によって閉方向に
付勢されている。In the first pipe joint 1, a valve body 4 held in an open state is accommodated and a valve seat 10 is formed. A holding piece 7 is sandwiched between the first pipe joint 1 and the second pipe joint 2, and the holding piece 7 is
The valve body 4 is kept open by entering the space inside the first pipe joint 1. The valve body 4 is biased in the closing direction by a spring 8.
【００１０】前記第１管継手１の先端部近傍には、２つ
割れの円環状の被破壊片３が、第１管継手１の軸線Ｃ方
向に係合した状態で装着されている。被破壊片３は、第
１管継手１の外周に装着されており、一方、円周方向に
等角度ピッチで設けた３本の雄ネジ９（図面では１本の
み図示）が第２管継手２にねじ込まれていると共に、雄
ネジ９の先端が被破壊片３の貫通孔３ａ内に挿入されて
いる。これにより、第２管継手２と第１管継手１とが被
破壊片３を介して互いに連結されている。前記被破壊片
３は、給油ホース６に所定値以上の引張力が働いた際に
破断して、第２管継手２が第１管継手１から離脱するの
を許容するものである。この離脱時には、保持片７が外
れるので、弁体４が弁座１０に着座して流路１１が閉止
する。Near the tip of the first pipe joint 1, an annular fractured piece 3 having two cracks is attached in a state of being engaged in the direction of the axis C of the first pipe joint 1. The destructible piece 3 is mounted on the outer circumference of the first pipe joint 1, while the three male screws 9 (only one is shown in the drawing) provided at an equal angular pitch in the circumferential direction are provided on the second pipe joint. The tip of the male screw 9 is inserted into the through hole 3a of the destructible piece 3 while being screwed into the screw 2. As a result, the second pipe joint 2 and the first pipe joint 1 are connected to each other via the breakable piece 3. The breakable piece 3 is broken when a tensile force of a predetermined value or more acts on the refueling hose 6, and allows the second pipe joint 2 to separate from the first pipe joint 1. At the time of this detachment, the holding piece 7 comes off, so that the valve body 4 is seated on the valve seat 10 and the flow path 11 is closed.
【００１１】第１管継手１の先端部１２は、円環状に形
成されて、第２管継手２の内側の円周面に隙間なく嵌合
している。一方、第２管継手２の先端部２２は、円環状
に形成されて、第１管継手１の外側の円周面に隙間なく
嵌合している。これらの嵌合部分は、後述する抵抗部Ｒ
を構成している。The tip portion 12 of the first pipe joint 1 is formed in an annular shape and fits on the inner circumferential surface of the second pipe joint 2 without a gap. On the other hand, the tip end portion 22 of the second pipe joint 2 is formed in an annular shape and fits on the outer circumferential surface of the first pipe joint 1 without a gap. These fitting parts are the resistance part R described later.
Is composed.
【００１２】前記被破壊片３の外周面は、第２管継手２
における反対側の内面の先端（以下、「点Ｏ」とい
う。）を中心とする凸型の球状面３ｂに設定されてい
る。つまり、被破壊片３の外周面は、母線が円弧状の円
錐面に設定されている。前記第２管継手２は、第１管継
手１および第２管継手２の先端部１２，２２間におい
て、前記凸型の球状面３ｂに嵌合する凹型の球状面２ｂ
を有している。これにより、第１管継手１と第２管継手
２とは、被破壊片３を介して、２つの先端部１２，２２
間において互いにすべり接触するように構成されてい
る。つまり、斜め方向に外力Ｆが働いた際に、第２管継
手２が第１管継手１に対して第２管継手の軸線Ｃを含む
平面（たとえば、図１に示す縦断面を含む平面）に沿っ
て回転可能となっている。The outer peripheral surface of the destructible piece 3 has a second pipe joint 2
Is set to a convex spherical surface 3b centered on the tip of the inner surface on the opposite side (hereinafter referred to as "point O"). That is, the outer peripheral surface of the piece to be destroyed 3 is set to be a circular conical surface with a generatrix arc. The second pipe joint 2 has a concave spherical surface 2b fitted to the convex spherical surface 3b between the tip portions 12 and 22 of the first pipe joint 1 and the second pipe joint 2.
have. As a result, the first pipe joint 1 and the second pipe joint 2 have the two tip end portions 12, 22 via the breakable piece 3.
The two are configured so as to be in sliding contact with each other. That is, when the external force F acts in the diagonal direction, the second pipe joint 2 is a plane including the axis C of the second pipe joint 1 with respect to the first pipe joint 1 (for example, a plane including the vertical cross section shown in FIG. 1). It is possible to rotate along.
【００１３】一方、前記抵抗部Ｒは、両管継手１，２が
嵌合している円周面を有しているから、第２管継手２が
軸線Ｃ方向に引っ張られる際には抵抗とならず、他方、
軸線Ｃを含む平面に沿って点Ｏを中心として、図２のよ
うに、第２管継手２が回転しながら引っ張られる際に
は、抵抗部Ｒが変形して抵抗となる。On the other hand, since the resistance portion R has a circumferential surface on which the two pipe joints 1 and 2 are fitted together, when the second pipe joint 2 is pulled in the direction of the axis C, resistance is increased. But on the other hand,
When the second pipe joint 2 is pulled while rotating about the point O along the plane including the axis C as shown in FIG. 2, the resistance portion R is deformed and becomes resistance.
【００１４】つぎに、前記構成の動作について説明す
る。まず、図１の軸線Ｃに沿って引張力が働くと、雄ネ
ジ９を介して、被破壊片３の３つの貫通孔３ａ近傍にせ
ん断力が発生し、この際の引張力が所定値以上である
と、被破壊片３が貫通孔３ａにおいて破断する。この破
断によって、第２管継手２が第１管継手１から離脱する
と共に保持片７が落下し、バネ８のバネ力等で弁体４が
弁座１０に着座して流路１１が閉塞される。Next, the operation of the above configuration will be described. First, when a tensile force acts along the axis C of FIG. 1, a shearing force is generated in the vicinity of the three through holes 3a of the destructible piece 3 via the male screw 9, and the tensile force at this time is a predetermined value or more. Then, the fractured piece 3 breaks in the through hole 3a. Due to this breakage, the second pipe joint 2 separates from the first pipe joint 1, the holding piece 7 falls, and the valve body 4 is seated on the valve seat 10 by the spring force of the spring 8 and the flow passage 11 is closed. It
【００１５】一方、引張力Ｆが斜め方向に働くと、図２
に示すように、第２管継手２が点Ｏを中心に軸線Ｃを含
む平面に沿って回転しようとする。この際、回転中心で
ある点Ｏの反対側の貫通孔３ａ近傍の応力が、他の貫通
孔（図示せず）近傍の応力よりれも著しく大きくなる。
しかし、前記図１の抵抗部Ｒが図２のように変形して抵
抗となる。そのため、引張力が斜め方向に働いた場合
も、前述と同程度の力で被破壊片３が破断する。したが
って、引張力の作用する方向にかかわらず、緊急遮断装
置Ａが所定の引張力で作動する。On the other hand, when the tensile force F acts diagonally, as shown in FIG.
As shown in, the second pipe joint 2 tries to rotate about the point O along the plane including the axis C. At this time, the stress in the vicinity of the through hole 3a on the side opposite to the point O which is the center of rotation becomes significantly larger than the stress in the vicinity of other through holes (not shown).
However, the resistance part R of FIG. 1 is transformed into a resistance as shown in FIG. Therefore, even when the tensile force acts in an oblique direction, the destructible piece 3 is broken by the same force as described above. Therefore, the emergency shutoff device A operates with a predetermined tensile force regardless of the direction in which the tensile force acts.
【００１６】なお、本実施形態では、第２管継手２と被
破壊片３とが球状面２ｂ，３ｂで嵌合しているから、第
２管継手２が点Ｏを中心に回転し易い。そのため、斜め
方向に引張力が作用した際に、所期の動作が得られるの
で、破断する引張力の値が安定し易いという利点があ
る。In this embodiment, since the second pipe joint 2 and the destructible piece 3 are fitted to each other on the spherical surfaces 2b and 3b, the second pipe joint 2 easily rotates around the point O. Therefore, when a tensile force acts in an oblique direction, a desired operation can be obtained, so that there is an advantage that the value of the tensile force that breaks is easily stabilized.
【００１７】ところで、本実施形態では、図１のＯリン
グ３０近傍において、第１管継手１と第２管継手２との
間に隙間Ｓ１を設けているが、本発明では、隙間Ｓ１を
設けずに、第１管継手１と第２管継手２とを球面ないし
は球状面で接触させてもよい。By the way, in the present embodiment, the gap S1 is provided between the first pipe joint 1 and the second pipe joint 2 in the vicinity of the O-ring 30 in FIG. 1, but in the present invention, the gap S1 is provided. Alternatively, the first pipe joint 1 and the second pipe joint 2 may be in contact with each other on a spherical surface or a spherical surface.
【００１８】また、第１管継手１の先端部１２は第２管
継手２に隙間なく嵌合している必要はなく、図３のよう
に、若干の隙間Ｓ２を設けて、第１管継手１の先端部１
２を第２管継手２にルーズに嵌合させてもよい。更に、
図４のように、第１管継手１の先端部１２に樹脂製のリ
ング３１をねじ込んで、リング３１で抵抗部Ｒを構成し
てもよい。また、第１管継手１の先端部１２を完全な円
環とする必要はなく、図５のように、多数の切欠部１２
ａを有する円環状としてもよく、この場合も請求項１お
よび２の発明の範囲に含まれる。Further, it is not necessary that the tip portion 12 of the first pipe joint 1 be fitted into the second pipe joint 2 without a gap, and a slight gap S2 is provided as shown in FIG. Tip 1 of 1
2 may be loosely fitted to the second pipe joint 2. Furthermore,
As shown in FIG. 4, a resin ring 31 may be screwed into the tip portion 12 of the first pipe joint 1 to form the resistance portion R with the ring 31. Further, it is not necessary to form the tip portion 12 of the first pipe joint 1 into a complete ring, and as shown in FIG.
It may be an annular shape having a, and this case is also included in the scope of the invention of claims 1 and 2.
【００１９】また、図１の被破壊片３の凸型の球状面３
ｂは、点Ｏを中心とした球状面とする必要はなく、図１
の球状面３ｂよりも小さな曲率ないしは大きな曲率を有
する球状面としてもよく、更には、図６のように、円周
面３ｃとしてもよい。The convex spherical surface 3 of the destructible piece 3 shown in FIG.
b does not have to be a spherical surface centered on the point O, and
The spherical surface 3b may be a spherical surface having a smaller curvature or a larger curvature than the spherical surface 3b, and may be the circumferential surface 3c as shown in FIG.
【００２０】また、図７のように、被破壊片３の外周に
雄ねじ３ｄを形成して、第２管継手２を被破壊片３に螺
合させ、第１管継手１に係合する環状係合部３ｅが破断
する構造としてもよい。また、被破壊片は、樹脂製のリ
ングで構成する必要はなく、前記先行技術（特公平６−
７６１１８号）のように、ピンが破断する構造としても
よい。さらに、以上の実施形態では、連結片が破断する
こととしたが、連結片は変形するものであってもよく、
可能であれば、硬質のゴムで形成して、弾性変形するこ
とによって、緊急遮断装置Ａを作動させるものであって
もよい。Further, as shown in FIG. 7, an external thread 3d is formed on the outer periphery of the destructible piece 3 to screw the second pipe joint 2 into the destructible piece 3 and engage with the first pipe joint 1. The engaging portion 3e may be broken. Further, the piece to be destroyed does not have to be made of a resin ring, and the prior art (Japanese Patent Publication No.
No. 76118), the pin may be broken. Furthermore, in the above embodiment, the connecting piece is to be broken, but the connecting piece may be deformed,
If possible, the emergency shutoff device A may be operated by being formed of hard rubber and elastically deforming.
【００２１】また、前記実施形態では、軸線Ｃ方向に引
張力が働いた際には、抵抗部Ｒは殆ど抵抗とならない。
しかし、本発明では、軸線Ｃ方向に引張力が働いた際に
抵抗部Ｒが抵抗となっても、軸線Ｃ方向よりも斜め方向
に引張力が働いた場合の方が抵抗部Ｒの抵抗が大きけれ
ばよい。Further, in the above-mentioned embodiment, when the tensile force acts in the direction of the axis C, the resistance portion R hardly becomes a resistance.
However, in the present invention, even if the resistance portion R becomes a resistance when the tensile force acts in the direction of the axis C, the resistance of the resistance portion R becomes smaller when the tensile force acts in an oblique direction than in the direction of the axis C. It should be big.
【００２２】[0022]
【発明の効果】以上説明したように、本発明によれば、
斜め方向に引張力が働いた場合に変形して大きな抵抗と
なる抵抗部を設けたので、給油ホースを引っ張る方向に
かかわらず、緊急遮断装置が作動する力の大きさのバラ
ツキが小さくなる。As described above, according to the present invention,
Since the resistance portion that deforms and has a large resistance when a tensile force acts in an oblique direction is provided, variation in the magnitude of the force that operates the emergency shutoff device is reduced regardless of the direction in which the refueling hose is pulled.
【図１】本発明の第１実施形態を示す給油装置の緊急遮
断装置の縦断面図である。FIG. 1 is a vertical cross-sectional view of an emergency shutoff device for an oil supply device according to a first embodiment of the present invention.
【図２】同じく動作を示す縦断面図である。FIG. 2 is a vertical sectional view showing the same operation.
【図３】第２実施形態を示す給油装置の緊急遮断装置の
縦断面図である。FIG. 3 is a vertical cross-sectional view of an emergency shutoff device for an oil supply device according to a second embodiment.
【図４】第３実施形態を示す給油装置の緊急遮断装置の
縦断面図である。FIG. 4 is a vertical cross-sectional view of an emergency shutoff device for an oil supply device according to a third embodiment.
【図５】抵抗部の変形例を示す破断した斜視図である。FIG. 5 is a broken perspective view showing a modified example of the resistance portion.
【図６】第４実施形態を示す給油装置の緊急遮断装置の
縦断面図である。FIG. 6 is a vertical cross-sectional view of an emergency shutoff device for an oil supply device according to a fourth embodiment.
【図７】第５実施形態を示す給油装置の緊急遮断装置の
縦断面図である。FIG. 7 is a vertical cross-sectional view of an emergency shutoff device for an oil supply device according to a fifth embodiment.
１：第１管継手 １１：流路 １２：先端部 ２：第２管継手 ２２：先端部 ３：連結片（被破壊片） ４：弁体４ ６：給油ホース Ａ：緊急遮断装置 Ｆ：外力 Ｒ：抵抗部 1: 1st pipe joint 11: Flow path 12: Tip part 2: 2nd pipe joint 22: Tip part 3: Connecting piece (breakable piece) 4: Valve body 4 6: Oil supply hose A: Emergency shutoff device F: External force R: resistance part
Claims (2)
して互いに接続され、前記第２管継手に接続された給油
ホースに所定値以上の引張力が働いた際に、前記連結片
が変形ないし破断して、前記第２管継手が第１管継手か
ら離脱すると共に、前記第１管継手内の弁体が第１管継
手の弁座に着座して流路を閉止する給油装置の緊急遮断
装置であって、 前記第２管継手が前記第１管継手に対して前記第２管継
手の軸線を含む平面に沿って回転可能となるように、前
記両管継手を構成すると共に、 前記第２管継手が前記平面に沿って回転しながら引っ張
られる際に変形して抵抗となり、かつ、前記第２管継手
が軸線方向に引っ張られる際の抵抗よりも、前記第２管
継手が前記平面に沿って回転しながら引っ張られる際の
抵抗の方が大きな抵抗となる抵抗部を設けた給油装置の
緊急遮断装置。1. A first pipe joint and a second pipe joint are connected to each other via a connecting piece, and when a tensile force of a predetermined value or more acts on an oil supply hose connected to the second pipe joint, The connecting piece is deformed or broken, the second pipe joint is separated from the first pipe joint, and the valve body in the first pipe joint is seated on the valve seat of the first pipe joint to close the flow passage. An emergency shutoff device for an oil supply device, wherein the second pipe joint is configured to be rotatable with respect to the first pipe joint along a plane including an axis of the second pipe joint. In addition, the second pipe joint is deformed to become resistance when being pulled while rotating along the plane, and the second pipe is more resistant than the resistance when the second pipe joint is pulled in the axial direction. The resistance when the joint is pulled while rotating along the said plane is greater. Emergency shut-off device of the resistive portion is provided with fuel supply device.
管継手の内周面または外周面に嵌合して前記抵抗部を形
成し、 前記両管継手が前記２つの先端部の間において、球状面
によってすべり接触するように構成されている給油装置
の緊急遮断装置。2. The end portion of each of the two pipe joints is formed in an annular shape and is fitted to an inner peripheral surface or an outer peripheral surface of the other pipe joint to form the resistance portion. An emergency shutoff device for an oil supply device, wherein the pipe joint is configured so as to make a sliding contact by a spherical surface between the two tip portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02861196A JP3698791B2 (en) | 1996-01-22 | 1996-01-22 | Emergency shut-off device for lubrication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02861196A JP3698791B2 (en) | 1996-01-22 | 1996-01-22 | Emergency shut-off device for lubrication equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09202398A true JPH09202398A (en) | 1997-08-05 |
| JP3698791B2 JP3698791B2 (en) | 2005-09-21 |
Family
ID=12253373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02861196A Expired - Fee Related JP3698791B2 (en) | 1996-01-22 | 1996-01-22 | Emergency shut-off device for lubrication equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3698791B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012047256A (en) * | 2010-08-26 | 2012-03-08 | Tominaga Oil Pump Mfg Co Ltd | Emergency shutdown device of oil supply device |
-
1996
- 1996-01-22 JP JP02861196A patent/JP3698791B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012047256A (en) * | 2010-08-26 | 2012-03-08 | Tominaga Oil Pump Mfg Co Ltd | Emergency shutdown device of oil supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3698791B2 (en) | 2005-09-21 |
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