JPH0198792A - Pipe joint - Google Patents

Abstract

PURPOSE: To enable a lock system to work in two directions when a coupling is connected or disconnected by always urging a poppet to the closing direction through the cooperation of the spring ring received in the annular groove on the head of the poppet and the inclined surface inside the head or the coupling member. CONSTITUTION: A poppet 3 is slidably engaged in a bore 8 of the body 1a of a female coupling member. The poppet 3 consists of a head 3A and a hollow cylindrical member 3B. An O-ring 34 is engaged in an annular groove 33. A triangular spring ring 16 with a part of it received in a groove 15 of the body 1a of the female coupling member cooperates with an outward taper member 31 of the head 3A of the poppet 3 to urge the poppet 3 to the closing direction. An annular recess 51 capable of receiving a part of a ball 30 inserted in an opening 19 arranged in the large-diameter portion 13 of the female coupling member body is arranged on the outer periphery of the small-diameter portion 43 of a male coupling member body 40. The border between the small-diameter portion 43 and a least-diameter portion 44 is constituted by a moderately inclined surface 52.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はｉ−ルロツク式管継手に関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to an i-rulock type pipe joint.

〔従来の技術〕[Conventional technology]

オス継手部材とメス継手部材とを結合・分離して流体を
流通・停止する油圧、空気圧用２−ルロック式管継手は
従来より知られており、なかフもメス継手部材およびオ
ス継手部材のいずれか一方または双方の部材の内部にば
ねによって常時閉鎖方向に付勢されたポペットを有し、
オス継手部材がその外面に凹みまたは周方向に延びる環
状溝を備えており、メス継手部材がロック部材を移動自
在に収容する半径方向に延びる複数の開口を有しており
、ロック部材がオス継手部材の凹みまたは環状溝に係合
するロック位置に保持されるようにメス継手部材上に配
置された押えスリーブがその円方突出部をメス継手部材
の開口上に位置させるようにばねによって軸方向に常時
付勢されており、このばねの力に抗して押えスリーブを
軸方向に移動させた際にロック部材が外方に移動して凹
みまたは環状溝との保合が開放されてロックを解放する
と共にばねの力に抗して開放されていたポペットがばね
の力によって閉鎖位置に移動するようにしたものが一般
的に普及している。Hydraulic and pneumatic 2-lock type pipe fittings, which connect and separate male and female fittings to allow fluid to flow and stop, have been known for a long time, and both the female and male fittings can be connected to each other. one or both members has a poppet inside thereof that is constantly biased in the closing direction by a spring;
The male coupling member is provided with a recess or circumferentially extending annular groove on its outer surface, the female coupling member has a plurality of radially extending openings that movably accommodate the locking member, and the locking member is disposed in the male coupling member. A hold-down sleeve disposed on the female coupling member to be held in a locked position engaging a recess or annular groove in the member is axially moved by a spring to position its circular projection over the opening in the female coupling member. When the presser sleeve is moved in the axial direction against the force of this spring, the locking member moves outward and is released from its engagement with the recess or annular groove, thereby locking the sleeve. It is common to have a poppet in which the poppet, which has been opened against the force of a spring, is moved to a closed position by the force of the spring.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

上記形式の管継手においては、押えスリーブ及びポペッ
トを押圧するばねとして圧縮コイルばねが使用されてお
り、そのために圧縮コイルばねを収容するスペースが必
要ｆあり、必然的に継手の軸方向長さが長くなる。従っ
て、制限された場所フの使用ができないことがある。更
に、圧縮コイルばねが当接するストン・にを各ばねごと
に２箇所設ける必要があり、更にばねを圧縮させた状態
１組立てなければならないの！、組豆て作条が煩雑マあ
ると言うような欠点がある。更に、２個のポペットを使
用する場合にオス及びメス継手部材において形状の異な
るポペットを使用しなければならず、加えて各継手部材
の内部を異なる形状に加工しなければならない等、多数
の異なる部品が必要フある。In the above type of pipe fitting, a compression coil spring is used as a spring to press the presser sleeve and poppet, and therefore a space is required to accommodate the compression coil spring, which inevitably increases the axial length of the fitting. become longer. Therefore, the use of limited space may not be possible. Furthermore, it is necessary to provide two points for each spring that the compression coil springs come into contact with, and the spring must be assembled once with the spring compressed! However, there are drawbacks such as the complicated process of assembling beans. Furthermore, when two poppets are used, the male and female joint members must use poppets with different shapes, and in addition, the interior of each joint member must be machined into a different shape, resulting in a large number of different shapes. Some parts are required.

また、上記形式の管継手における従来のロックシステム
は、継手を結合するとき継手部材を押込む方向と反対側
に押えスリーブを引張り、保持して外側／ｅイブ（メス
継手部材）に内側・ゼイプ（オス継手部材）が入り込む
Ｌうに外側・ぞイブを操作しなげればならないために、
その操作が複雑ｆ。In addition, the conventional locking system for the above-mentioned types of pipe fittings is to pull and hold the presser sleeve in the opposite direction to the direction in which the fitting member is pushed in when connecting the fittings, and to attach the inner side (Male joint member) must be operated on the outside of the L seam where it enters.
The operation is complicated f.

操作ミスを起こし易い欠点がある。It has the disadvantage of being prone to operational errors.

更に、従来のメールロック式管継手は、結合時、流体の
抵抗損失を考慮して内継手部材のポペットパルプの開き
雪を等しくする必要があるが、圧縮コイルばねは製造上
約１５％の力のばらつきが避けられないの〒、ポペット
を閉鎖方向に押圧する圧縮コイルばねな両側ともに等し
くすることが一般に困難↑あるため、一方の継手部材の
ポペットパルプを内側パイプマ押してその位Ｒを規制し
つつ、他方のポペットパルプの開ぎｉｔを等しくするよ
うに設計することが一般的に行なわれているが、そのた
めの構造が複雑で、加工が困難であり、高価なものとな
っている。Furthermore, when connecting conventional mail lock type pipe joints, it is necessary to equalize the opening of the poppet pulp of the inner joint member in consideration of fluid resistance loss, but compression coil springs require approximately 15% force due to manufacturing reasons. Since it is generally difficult to make the compression coil springs that press the poppet in the closing direction equal on both sides, it is necessary to press the poppet pulp of one joint member with the inner pipe to regulate the R. It is common practice to design the two poppet pulps to have the same opening it, but the structure for this is complicated, difficult to process, and expensive.

〔問題点馨解決するための手段および作用〕本発明は、
上記形式の管継手において、ポペットの頭部またはポペ
ットの頭部に対応する継手部材の内面に傾斜面を設ける
と共に、継手部材の内面またはポペットの頭部にばねリ
ングを嵌着する環状溝を設け、この環状溝に収容された
ばねリングがポペットの頭部または継手部材の内面の前
記傾斜面と共働してポペットを常時閉鎖方向に付勢する
ように構成したもの！ある。[Means and effects for solving the problems] The present invention has the following features:
In the above type of pipe joint, an inclined surface is provided on the head of the poppet or the inner surface of the joint member corresponding to the poppet head, and an annular groove into which the spring ring is fitted is provided on the inner surface of the joint member or the head of the poppet. , a spring ring housed in the annular groove cooperates with the head of the poppet or the inclined surface of the inner surface of the joint member to constantly bias the poppet in the closing direction! be.

本発明による管継手は、結合または解放の際に押えスリ
ーブを手マ持ち、これを単に結合または解放する方向に
引張るか押すだけの操作！、継手をロック〒きまた同様
にロックを解放することが１きる。With the pipe fitting according to the present invention, when connecting or releasing, all you have to do is hold the presser sleeve in your hand and simply pull or push it in the direction of connecting or releasing! , it is possible to lock the joint and release the lock as well.

〔実施例〕〔Example〕

以下１図面に示した実施例について詳細に説明するが、
本発明はこれらのものに限定されるもの１はないことは
言うま〒もない。The embodiment shown in one drawing will be explained in detail below.
It goes without saying that the present invention is not limited to these.

第１図ないし第４図は第１の実施例の管継手を示してお
り、特に第１図は解放した状態の管継手を示すものであ
る。この管継手はメス継手部材１お工びオス継手部材２
とから成り、双方の継手部材１および２円にはそれぞれ
ポペット６及び４が嵌装されていて、各々ポペットバル
ブヲ構成している。1 to 4 show a pipe joint according to a first embodiment, and in particular, FIG. 1 shows the pipe joint in an open state. This pipe fitting has a female fitting part 1 and a male fitting part 2.
Both joint members 1 and 2 are fitted with poppets 6 and 4, respectively, and each constitutes a poppet valve.

メス継手部材１の本体１ａは、管またはホースに連結さ
れる側（第１図の左側）から大径部５、中径部６および
小径部７を有する中空管体マ、内部の孔８は、同様に管
またはホースに連結する側から大径孔部９、円錐孔部１
ｏ、小径孔部１１およびオス継手を受入れる側の中径孔
部１２ならびに大径孔部１３より構成されている。そし
て、大径孔部９の開放端には管またはホースを連結する
ためのねじ１４が、また大径孔部９から円錐孔部１０に
移行する部分には環状溝１５が設けられ、この溝１５に
は第１ａ図に示すような１つのスリ７）１５ａ、平坦部
１６ｂ並びに角部１６Ｃを有する略三角形状のばねリン
グ１６が嵌装されている。このばねリング１６は締まり
勝手、すなわち収縮しようとする力を持つものである。The main body 1a of the female coupling member 1 includes, from the side connected to a pipe or hose (left side in FIG. 1), a hollow tubular body having a large diameter portion 5, a medium diameter portion 6, and a small diameter portion 7, and an internal hole 8. Similarly, from the side connecting to the pipe or hose, the large diameter hole part 9, the conical hole part 1
o, it is composed of a small diameter hole section 11, a medium diameter hole section 12 on the side that receives the male joint, and a large diameter hole section 13. A screw 14 for connecting a pipe or a hose is provided at the open end of the large diameter hole 9, and an annular groove 15 is provided at the transition from the large diameter hole 9 to the conical hole 10. 15 is fitted with a substantially triangular spring ring 16 having one slot 7) 15a, a flat portion 16b and a corner portion 16C as shown in FIG. 1a. This spring ring 16 has a tightening property, that is, it has a tendency to contract.

また、中径孔部１２と大径孔部１３の境目には環状溝１
７が設けられ、そこにオーリング１１８嵌着されている
。さらに大径孔部１３の長さ方向はゾ中間部には内端側
が円錐状に狭窄した数個の開口１９が円周方向等間隔に
分散して穿孔され、その孔に球３０が半径方向移動自在
に挿入されている。Further, an annular groove 1 is provided at the boundary between the medium diameter hole 12 and the large diameter hole 13.
7 is provided, and an O-ring 118 is fitted therein. Further, in the longitudinal direction of the large-diameter hole 13, several openings 19 whose inner ends are narrowed in a conical shape are bored at equal intervals in the circumferential direction in the middle part, and the balls 30 are inserted into the holes in the radial direction. It is inserted movably.

メス継手部材本体１ａの小径部７の外周面には、一対の
溝２０ａおよび２０ｂが前記開口１９を挟んで設けられ
、溝２０ａは中径部６に隣接している。溝２０ａおよび
２０ｂには、それぞれ断面り型の環体２１および２２が
互いに向き合って固定されている。各り型環体２１と２
２は、プラスチック製であり、それぞれ二つの脚部２１
ａと２１ｂ並びに２２ａと２２ｂを有し、小径部７の溝
２０ａおよび２０ｂに固定される脚ｔ１２　ｌ　ｂ及び
２２ｂの外面は開口１９に向って小径部７の外径にほぼ
等しくなるまで傾斜している傾斜面２３を備えている。A pair of grooves 20a and 20b are provided on the outer peripheral surface of the small diameter portion 7 of the female coupling member main body 1a with the opening 19 in between, and the groove 20a is adjacent to the medium diameter portion 6. In the grooves 20a and 20b, cross-sectional ring bodies 21 and 22 are fixed facing each other, respectively. Each ring body 21 and 2
2 is made of plastic, and each has two legs 21.
a and 21b and 22a and 22b, and the outer surfaces of the legs t12b and 22b, which are fixed to the grooves 20a and 20b of the small diameter part 7, are inclined toward the opening 19 until they become approximately equal to the outer diameter of the small diameter part 7. It is provided with an inclined surface 23.

Ｌ型環体２１と２２の外側には中空管状の押えスリーブ
２４が摺動可能に嵌装されている。押えスリーブ２４は
開口１９を挟んでメス継手部材本体小径部７に取り付け
られた前記り型環体１と２２の脚部２１ａから２２８に
達する長さを有する。押えスリーブ２４は、その内側に
環状の突出部２５を有し、突出部２５の先端の内径はは
ゾメス継手部材本体の小径部７と同じである。A hollow tubular holding sleeve 24 is slidably fitted on the outside of the L-shaped rings 21 and 22. The presser sleeve 24 has a length that reaches from the leg portions 21a to 228 of the folded ring bodies 1 and 22 attached to the small diameter portion 7 of the female joint member main body with the opening 19 in between. The presser sleeve 24 has an annular protrusion 25 on its inside, and the inner diameter of the tip of the protrusion 25 is the same as the small diameter portion 7 of the Zomes joint member body.

押えスリーブ２４の突出部２５の両側には前記ばね１６
と同様な締まり勝手のばね２７Ａと２７Ｂが設けられ、
このばねはＬ型環体２１ｂと２２ｂ傾斜面２３圧接し、
押えスリーブ２４の突出部２５を両側から押圧し、押え
スリーブ２４を図示の平衡位置に押圧、保持している。The springs 16 are mounted on both sides of the protrusion 25 of the presser sleeve 24.
Springs 27A and 27B with similar tightening properties are provided,
This spring is in pressure contact with the L-shaped ring body 21b and the inclined surface 22b,
The protrusions 25 of the presser sleeve 24 are pressed from both sides to press and hold the presser sleeve 24 in the illustrated equilibrium position.

メス継手部材本体１ａの孔８内にはポペット３が摺動可
能に嵌装されている。ポペット３は頭部Ａおよび中空円
筒部３Ｂより成り、頭部３Ａは外向き円錐部３１および
それと反対向きの円錐部３２を備えており、中空円筒部
３Ｂの外径はメス継手部材本体１ａの内部孔の小径孔部
１１の内径とはゾ同じである。円錐部３２はメス継手部
材の円錐孔部１０に着座するためそれと同じ角度をなし
、その環状溝３３にオーリング３４が嵌着されている。A poppet 3 is slidably fitted into the hole 8 of the female joint member main body 1a. The poppet 3 consists of a head A and a hollow cylindrical part 3B, the head 3A having an outward conical part 31 and an opposite conical part 32, and the outer diameter of the hollow cylindrical part 3B is the same as that of the female coupling member main body 1a. It is the same as the inner diameter of the small diameter hole portion 11 of the inner hole. Since the conical portion 32 is seated in the conical hole 10 of the female coupling member, it forms the same angle as the conical hole 10, and an O-ring 34 is fitted into the annular groove 33 thereof.

前記メス継手部材本体１ａの溝１５に　　−部が収容さ
れた三角形ばねリング１６は、ポペット３の頭部３Ａの
外向き円錐部３１と共働してポペット３を閉鎖方向（図
面で右方向）に付勢している。The triangular spring ring 16, whose - part is accommodated in the groove 15 of the female joint member main body 1a, cooperates with the outward conical part 31 of the head 3A of the poppet 3 to close the poppet 3 (towards the right in the drawing). is energized.

つぎに、オス継手部材２０本体４０は、メス継手部材１
の本体１ａと同じように管またはホースに連結する側（
図中で右側）から大径部４１、中径部４２、小径部４３
および最小径部４４より成る中空管体であるが、中径部
４２は比較的短く、これに対して小径部３２ｉ６よび最
小径部４４はメス継手部材本体の大径孔部１３の長さと
中径孔部１２の長さに対応して形成されている。内部の
孔４５は、大径孔部４６、円錐孔部４７および小径孔部
４８より構成さりており、大径孔部４６の入口には管ま
たはホースに連結するためのねじ４９が、また大径孔部
４６と円錐孔部４７の境目には環状溝５０が設けられ、
この溝５０にはメス継手部材１におけるばねリング１６
と同じ三角形のばねリング５０Ａが嵌装されている。Next, the male joint member 20 main body 40 is attached to the female joint member 1
The side that connects to the pipe or hose in the same way as the main body 1a (
From the right side in the figure: large diameter part 41, medium diameter part 42, small diameter part 43
The medium diameter portion 42 is relatively short, whereas the small diameter portion 32i6 and the minimum diameter portion 44 are the same as the length of the large diameter hole 13 of the female coupling member main body. It is formed to correspond to the length of the medium diameter hole portion 12. The internal hole 45 is composed of a large diameter hole 46, a conical hole 47, and a small diameter hole 48. At the entrance of the large diameter hole 46, there is a screw 49 for connecting to a pipe or hose. An annular groove 50 is provided at the boundary between the diameter hole portion 46 and the conical hole portion 47,
This groove 50 has a spring ring 16 in the female joint member 1.
The same triangular spring ring 50A is fitted.

オス継手部材本体４０の小径部４３の外周には前記メス
継手部材本体の大径孔部１３に設けられた開口１９に挿
入された球３０の一部分を受入れることのできる環状の
凹み５１が円周方向に設けられている。小径部４３と最
小径部４４との境目は緩い傾斜面５２として構成されて
いる。On the outer periphery of the small diameter portion 43 of the male joint member main body 40, there is a circular recess 51 that can receive a portion of the ball 30 inserted into the opening 19 provided in the large diameter hole 13 of the female joint member main body. It is set in the direction. The boundary between the small diameter portion 43 and the minimum diameter portion 44 is configured as a gentle slope 52.

オス継手部材本体の小径部４３の外径はメス継手部材本
体の大径孔１１ｓ１３の内径にほり等しく、またオス継
手部材本体の最小径部４４の外径はメス継手部材本体の
中径孔部１２の内径にはＸ′等しくなっており、両継手
部材を相互に嵌合したときは、それぞれ対応する部分が
密に摺動的に嵌合するとともに、傾斜面５２がオーリン
グ１７に係合して密封するようになっている。　オス継
手部材本体４０の孔４５内にはポペット４が摺動可能に
嵌装されている。ポペット４は頭部４Ａおよび中空円筒
部４Ｂより成り、頭部４Ａは外向き円錐部５５およびそ
れと反対向きの円錐部５６を有しており、中空円筒部４
Ｂの外径はオス継手部材本体の内部孔５の小径孔部４８
の内径とはゾ同じである。円錐部５６は、メス継手部材
の円錐孔部１０に着座するためのそれと同じく、ポペッ
トの円錐孔部４７と同じ角度をなし、その環状溝５７オ
ーリング５８が嵌着されている。前記オス継手部材本体
４０の溝５０に一部が嵌合する三角形ばねリング５０Ａ
は、ポペット４の頭部４Ａの外向き円錐部５５と共働し
てポペット４を閉鎖方向（図面で左方向）に付勢してい
る。The outer diameter of the small diameter portion 43 of the male coupling member body is approximately equal to the inner diameter of the large diameter hole 11s13 of the female coupling member body, and the outer diameter of the minimum diameter portion 44 of the male coupling member body is the same as that of the medium diameter hole of the female coupling member body. The inner diameters of the joint members 12 are equal to X', and when the two joint members are fitted together, the corresponding parts are tightly and slidably fitted, and the inclined surface 52 is engaged with the O-ring 17. It is designed to be sealed. The poppet 4 is slidably fitted into the hole 45 of the male joint member main body 40. The poppet 4 consists of a head 4A and a hollow cylindrical part 4B, and the head 4A has an outward conical part 55 and an opposite conical part 56, and the hollow cylindrical part 4
The outer diameter of B is the small diameter hole 48 of the internal hole 5 of the male joint member body.
is the same as the inner diameter of The conical portion 56, like that for seating in the conical hole 10 of the female coupling member, forms the same angle as the conical hole 47 of the poppet, and its annular groove 57 O-ring 58 is fitted. A triangular spring ring 50A that partially fits into the groove 50 of the male joint member main body 40.
works together with the outward conical portion 55 of the head 4A of the poppet 4 to bias the poppet 4 in the closing direction (leftward in the drawing).

つぎに、第２図ないし第４図に基づいて第１実施例の作
用を説明する。Next, the operation of the first embodiment will be explained based on FIGS. 2 to 4.

第１図に示された開放状態のメス継手部材１とオス継手
部材２とを結合しようとするとき、先ず押えスリーブ２
４を手で持ち第１図で右側に移動させる。すると押えス
リーブ２４は突出部２５を介して右側のばね２７ＢをＬ
型環体２２の脚部２２ｂ上で拡大しつつ傾斜面に沿って
押上げる。押えスリーブ１８が右側に移動すると突出部
２５が球３０を収容する開口１９の領域から外れるので
、オス継手部材２の小径部４３および最小径部４４をメ
ス継手部材本体の中径孔部１２および大径孔部１３に押
込むと、球３０は一部オス継手部材の傾斜面５２によっ
て半径方向外方に挿し上げられるが、さらに押込んで環
状溝５１が開口１９と一致すると、球３０は環状溝５内
に侵入可能になる（第２図参照）。そして球３０は環状
溝５１に係合する。一方、ポペット３および４はそれら
の先端で互いに係合し、そしてばねリング６とと５ＯＡ
の力に抗してそれぞれの継手部材内で本体に対して相対
的に後退し、オーリング３４および５８はそれぞれの円
錐孔部１０および４７から離れオス継手部材の本体内部
とメス継手部材の本体内部を連通ずる。そこで押えスリ
ーブ２４を離すと、押えスリーブ２４の突出部２５はば
ねリング２７Ｂの作用により開口１９上のもとの位置に
戻って球３０が外側に移動しないように押さえ、第３図
の状態となって連結が完了する。ポペット３および４は
三角形のばねリングに抗して移動する際に、ポペットの
頭部３Ａおよび３Ｂに設けたストッパとしてのフランジ
６０に係合し、その移動量が規制される。従って、ばね
の性能に多少の相違があっても両側のポペットバルブの
開き量が影響を受けることはほとんどない。When trying to connect the female joint member 1 and the male joint member 2 in the open state shown in FIG.
Hold 4 in your hand and move it to the right as shown in Figure 1. Then, the presser sleeve 24 holds the right spring 27B through the protrusion 25.
While expanding on the legs 22b of the mold ring 22, it is pushed up along the inclined surface. When the presser sleeve 18 moves to the right, the protruding portion 25 comes out of the area of the opening 19 that accommodates the ball 30, so that the small diameter portion 43 and the minimum diameter portion 44 of the male coupling member 2 are inserted into the medium diameter hole 12 of the female coupling member body. When pushed into the large-diameter hole 13, the ball 30 is partially pushed upward in the radial direction by the inclined surface 52 of the male joint member, but when it is pushed further and the annular groove 51 matches the opening 19, the ball 30 becomes annular. It becomes possible to enter the groove 5 (see FIG. 2). The ball 30 then engages in the annular groove 51. Meanwhile, poppets 3 and 4 engage each other at their tips, and spring rings 6 and 5OA
Retracting relative to the body within the respective coupling member against the force, the O-rings 34 and 58 separate from the respective conical bores 10 and 47 and separate the interior of the body of the male coupling member and the body of the female coupling member. Connect the inside. When the presser sleeve 24 is then released, the protruding portion 25 of the presser sleeve 24 returns to its original position above the opening 19 by the action of the spring ring 27B and presses the ball 30 so that it does not move outward, resulting in the state shown in FIG. The connection is completed. When the poppets 3 and 4 move against the triangular spring ring, they engage with flanges 60 as stoppers provided on the poppet heads 3A and 3B, and the amount of movement thereof is regulated. Therefore, even if there is a slight difference in spring performance, the opening amount of the poppet valves on both sides is hardly affected.

継手を分離する場合、押えスリーブ２４を抜こうとする
継手部材、例えばメス継手部材１を引き抜く場合には第
４図に示すように押えスリーブを左側に引き寄せ、押え
スリーブ２４の突出部２５を球３０の領域か移動して、
球３０が外方へ自由に動きうるようにし、そのままオス
継手部材２からメス継手部材１を抜けばよい（第４図参
照）。When separating the joint, when pulling out the joint member from which the presser sleeve 24 is to be removed, for example, the female joint member 1, the presser sleeve is pulled to the left as shown in FIG. Move 30 areas,
The ball 30 can move freely outward, and the female joint member 1 can be removed from the male joint member 2 (see FIG. 4).

そのとき、ポペット３ふよび４はそれぞれのばねリング
１６並びに５１の作用により、自動的に円錐孔部１０お
よび４７に着座する。オス継手部材本体の最小径部４４
は、オーリング１７に沿って摺動するため、ポペット３
および４が完全に着座するまで継手内部が外気に連通ず
ることはなく、従って流体の漏洩はまったく起こらない
。The poppets 3 and 4 then automatically seat in the conical bores 10 and 47 by virtue of the respective spring rings 16 and 51. Minimum diameter portion 44 of the male joint member body
The poppet 3 slides along the O-ring 17.
The interior of the joint is not communicated with the outside air until the joints and 4 are fully seated, so no fluid leakage occurs.

第５図は第２の実施例を示す。この実施例においては、
ポペット３および４は第１実施例とは異なり、ばねリン
グ１６および５０Ａと共働する外側に向いた円錐部を備
えていない。その代わり、ポペット３および４にそれぞ
れ作用するばねリング１６および５０Ａは開き勝手、す
なわち拡開する力を有するものが使用され、これに対応
して、メス継手部材１およびオス継手部材２の各本体の
内部孔８および４５には、大径孔部９と円錐孔部１０の
間および大径孔部４６と円錐孔部４７の間に内側に向っ
て拡大する円錐孔部７ＯＡおよび７０Ｂが設けられてい
る。これらのばねリング１６゜５１も前記第１の実施例
のばねリングと同様にポペットを閉鎖方向に付勢してい
る。継手の結合、分離の操作は前記第１図ないし第４図
に示すものとはヌ゛同様である。FIG. 5 shows a second embodiment. In this example,
Poppets 3 and 4 differ from the first embodiment in that they do not have outwardly directed cones cooperating with spring rings 16 and 50A. Instead, the spring rings 16 and 50A acting on the poppets 3 and 4, respectively, are used with an opening ability, that is, with an expanding force, and correspondingly the respective bodies of the female coupling member 1 and the male coupling member 2 are The internal holes 8 and 45 are provided with conical hole portions 7OA and 70B that expand inward between the large diameter hole portion 9 and the conical hole portion 10 and between the large diameter hole portion 46 and the conical hole portion 47. ing. These spring rings 16.degree. 51 also bias the poppet in the closing direction in the same way as the spring rings of the first embodiment. The operation of connecting and separating the joints is the same as that shown in FIGS. 1 to 4 above.

第６図は第１図の実施例とはゾ同様であるが、ポペット
３が一方にしかない継手を示す。さらに第７図は第５図
の実施例とぼり同様であるが、ポペット３が一方にしか
ない継手を示す。FIG. 6 shows a joint similar to the embodiment of FIG. 1, but with a poppet 3 on one side. Furthermore, FIG. 7 shows a joint similar to the embodiment of FIG. 5, but with the poppet 3 only on one side.

これらの作用もそれぞれ第１図および第５図の実施例と
はＸ°同様である。These actions are also similar to the embodiments of FIGS. 1 and 5, respectively.

第８図乃至第１０図に第３の実施例を示した。A third embodiment is shown in FIGS. 8 to 10.

この実施例では、ばねリング１６．５１が圧接係合する
ポペット３．４の傾斜面３１および５５がそれぞれ設け
られている。更に、両継手部材１゜２は同一径の大径孔
部９，４６と、ポペット３゜４の頭部３Ａ、４Ａがそれ
ぞれ当接する端部側に設けられた傾斜孔部１０．４７か
ら形成される孔８．４５を備えている。ポペット３．４
は、前述の実施例のような中空円筒部を備えるかわりに
、ポペットを大径孔Ｂ９．４６内において調心するため
の開ロア３をもつバルブ軸受部材７５が固定されている
。この実施例の場合、継手結合時において、ポペット３
と４がそれぞれ後退し、互いに係合して、ポペットのま
わりに流体の流路を形成する。その他の構成、作用並び
に操作等は、前述の実施例とほぼ同様であるので省略す
る。In this embodiment, ramps 31 and 55 of the poppet 3.4 are provided, respectively, in which the spring ring 16.51 presses into engagement. Further, both joint members 1゜2 are formed from large diameter holes 9, 46 of the same diameter, and inclined holes 10.47 provided on the end sides where the heads 3A, 4A of the poppet 3゜4 come into contact, respectively. It is equipped with a hole 8.45. Poppet 3.4
Instead of having a hollow cylindrical portion as in the previous embodiment, a valve bearing member 75 having an open lower portion 3 for centering the poppet in the large diameter hole B9.46 is fixed. In this embodiment, when connecting the joint, the poppet 3
and 4 are each retracted and engage each other to form a fluid flow path around the poppet. The other configurations, functions, operations, etc. are substantially the same as those of the previous embodiments, and therefore will be omitted.

上述の実施例では、環体２１．２２の傾斜面２３及びポ
ペット３．４の傾斜部３１．５５並に円錐孔？ＯＡ、７
０Ｂの各傾斜面を環状の傾斜面として形成したが、これ
らは環状の傾斜面だけでなく、ポペットの傾斜面として
は第１１図に代表的に示す如く、平坦な切欠面として少
なくとも３箇所形成しても良い。また、上述の実施例で
用いたばねリングは第１２Ａ、１２Ｂ−１，１２Ｂ−２
゜１２ｃ、１２Ｄ図に示す如く、種々のものが使用可能
である。In the embodiment described above, the slope 23 of the annulus 21.22 and the slope 31.55 of the poppet 3.4 as well as the conical hole? OA, 7
Each inclined surface of 0B was formed as an annular inclined surface, but these are not only annular inclined surfaces, but the inclined surfaces of the poppet are formed as flat notched surfaces in at least three places, as representatively shown in Fig. 11. You may do so. Moreover, the spring rings used in the above-mentioned embodiments are No. 12A, 12B-1, 12B-2.
As shown in Figures 12c and 12D, various types can be used.

〔発明の効果〕〔Effect of the invention〕

本発明は、継手を結合または分離する場合、ロックシス
テムが両方向に可能であるため、結合、分解に当って操
作上の余分な配慮の必要がなく、操作が簡単でミスを起
こすことがなく、また、ポペットに対して開き勝手また
は締まり勝手のばねリングを使用したことにより、従来
の圧縮コイルばねを使用した場合に必要なスペースも必
要なく、組立てに際してはばねリングを溝には嵌め込む
だけで良いので、組立が極めて簡単である。In the present invention, when connecting or separating the joints, the locking system can be used in both directions, so there is no need for extra operational consideration when connecting or disassembling the joints, and the operation is simple and error-free. In addition, by using a spring ring that can be opened or tightened for the poppet, the space required when using a conventional compression coil spring is not required, and during assembly, the spring ring can be simply inserted into the groove. Good quality and extremely easy to assemble.

更に、本発明において、両側のメス継手部材およびオス
継手部材はのポペットは、移動ストロークを規制される
ため開き量を均一にすることができる。また、ポペット
、オーリング、ばねリング等共通の部品が多く、数量の
メリットによる生産費の低下を期待できる。しかも構造
はきわめて簡単で、加工および組立てが容易である等の
多くの利点がある。Further, in the present invention, since the movement strokes of the poppets of the female joint member and the male joint member on both sides are regulated, the amount of opening can be made uniform. In addition, there are many common parts such as poppets, O-rings, and spring rings, so production costs can be expected to decrease due to the advantage of quantity. Furthermore, the structure is extremely simple, and it has many advantages such as easy processing and assembly.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の第１実施例の分離した状態を示す側断
面図、第２図ないし第４図は第１図の実施例の作用を説
明するための種々の状態における流側の変型を示す側断
面図、第８図乃至第１０図は第３の実施例を示し、第９
図は分離した状態の断面図、第９図は結合した状態の断
面の図、第１０図はポペットに結合されるバルブ軸受部
の平面図、第１１図は傾斜面を環状ではなく平坦な切り
欠き面として形成したものを示す図、第１２Ａ１１２Ｂ
−１，１２Ｂ−２，１２Ｃ並びに１２Ｄ図は種々のばね
リングを示す図である。 （ほか３名）　　・ 第　　５　　図 第　　６　　図 第　　７　　図 手　続　η１１　−ｔＦ　　繕］　（方式）昭和０３イ
ｆ１１月２５［１ １寺ｎ’ｒ　ＪＴｈ”艮′白°殿 １　、　！Ｊ４　（１の表示 昭和６２年特訂願第１３３９４７号 ２、発明の名称 管継手 ３、補正をする名 ４、代理人 昭和６３年１０月５０　（発送臼：昭和６３イ１１０月
２５０）６、補正の対象 明ｔ（ＩＩ　；１７の図面の簡単な説明の欄７、補正の
内容FIG. 1 is a sectional side view showing the first embodiment of the present invention in a separated state, and FIGS. 2 to 4 show variations of the flow side in various states for explaining the operation of the embodiment of FIG. 1. 8 to 10 show the third embodiment, and the ninth embodiment shows the third embodiment.
The figure is a sectional view of the separated state, Fig. 9 is a sectional view of the combined state, Fig. 10 is a plan view of the valve bearing part connected to the poppet, and Fig. 11 is a slanted surface cut flat rather than annular. A diagram showing what is formed as a cutout surface, No. 12A112B
-1, 12B-2, 12C and 12D are diagrams showing various spring rings. (3 others) ・ Figure 5 Figure 6 Figure 7 Procedure η11 -tF Repair] (Method) Showa 03 i f November 25 [1 1 temple n'r JTh"艮'white °dono 1, !J4 ( 1. Indication of Special Revision No. 133947 of 1988 2. Name of the invention pipe joint 3. Name to be amended 4. Agent October 50, 1988 (Dispatch: October 250, 1988) 6. Amendment Column 7 for a brief explanation of the drawings of object clear t(II; 17), contents of amendments

Claims (1)

【特許請求の範囲】[Claims] １）オス継手部材とメス継手部材とを結合・分離して流
体を流通・停止する管継手であつて、メス継手部材およ
びオス継手部材のいずれか一方または双方の部材の内部
にばねによつて常時閉鎖方向に付勢されたポペットを有
し、オス継手部材がその外面に凹みまたは周方向に延び
る環状溝を備えており、メス継手部材がロック部材を移
動自在に収容する半径方向に延びる複数の開口を有して
おり、ロック部材がオス継手部材の凹みまたは環状溝に
係合するロック位置に保持されるようにメス継手部材上
に配置された押えスリーブがその円方突出部をメス継手
部材の開口上に位置させるようにばねによつて軸方向に
常時付勢されており、このばねの力に抗して押えスリー
ブを軸方向に移動させた際にロック部材が外方に移動し
て凹みまたは環状溝との係合が開放されてロックを解放
すると共にばねの力に抗して開放されていたポペットが
ばねの力によつて閉鎖位置に移動するようにした管継手
において、ポペットの頭部またはポペットの頭部に対応
する継手部材の内面に傾斜面を設けると共に、継手部材
の内面またはポペットの頭部にばねリングを嵌着する環
状溝を設け、この環状溝に収容されたばねリングがポペ
ットの頭部または継手部材の内面の前記傾斜面と共働し
てポペットを常時閉鎖方向に付勢していることを特徴と
する管継手1) A pipe joint that connects and separates a male joint member and a female joint member to allow fluid to flow and stop, with a spring inside one or both of the female joint member and male joint member. a plurality of radially extending poppets having a poppet that is normally biased in the closing direction, the male coupling member having a recess or a circumferentially extending annular groove on the outer surface thereof, and the female coupling member movably accommodating the locking member; a retainer sleeve disposed on the female coupling member such that the locking member is held in a locked position in which it engages a recess or annular groove in the male coupling member; The lock member is constantly biased in the axial direction by a spring so as to be positioned over the opening of the member, and when the presser sleeve is moved in the axial direction against the force of this spring, the lock member moves outward. In a pipe fitting, the poppet is released from engagement with a recess or annular groove to release the lock, and the poppet, which has been opened against the force of a spring, is moved to a closed position by the force of the spring. An inclined surface is provided on the inner surface of the joint member corresponding to the head of the joint member or the head of the poppet, and an annular groove for fitting a spring ring is provided on the inner surface of the joint member or the head of the poppet. A pipe joint characterized in that the ring cooperates with the head of the poppet or the inclined surface of the inner surface of the joint member to constantly bias the poppet in the closing direction.