JP2523029Y2 - Piping terminal connection structure - Google Patents

Piping terminal connection structure

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Publication number
JP2523029Y2
JP2523029Y2 JP1589194U JP1589194U JP2523029Y2 JP 2523029 Y2 JP2523029 Y2 JP 2523029Y2 JP 1589194 U JP1589194 U JP 1589194U JP 1589194 U JP1589194 U JP 1589194U JP 2523029 Y2 JP2523029 Y2 JP 2523029Y2
Authority
JP
Japan
Prior art keywords
diameter
tube
cylinder
retainers
bellows
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 - Lifetime
Application number
JP1589194U
Other languages
Japanese (ja)
Other versions
JPH0743675U (en
Inventor
茂光 米元
敏之 片山
Original Assignee
株式会社藤井合金製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社藤井合金製作所 filed Critical 株式会社藤井合金製作所
Priority to JP1589194U priority Critical patent/JP2523029Y2/en
Publication of JPH0743675U publication Critical patent/JPH0743675U/en
Application granted granted Critical
Publication of JP2523029Y2 publication Critical patent/JP2523029Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】[Detailed description of the invention]

【0001】[0001]

【産業上の利用分野】本考案は配管端末部をガスコック
等の被接続主体に接続する配管端末接続構造に関するも
ので、配管を挿入接続する被接続主体側の筒部に装着し
た操作筒を操作するだけで配管接続作業が行えるように
し、これにより、該配管接続作業が簡便に行えるように
したものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe terminal connecting structure for connecting a pipe terminal to a connected body such as a gas cock or the like, and operates an operating cylinder mounted on a tube on a connected main body side for inserting and connecting a pipe. Thus, the pipe connection operation can be performed simply by doing so, so that the pipe connection operation can be easily performed.

【0002】[0002]

【従来技術及び課題】台所等では、ガスコックが壁面に
取付けられることが多い。そして、最近では、この壁面
の構造を簡略化する為、石膏ボードが数多く利用されて
いる。このような壁面には、従来の鋼管配管を採用し難
く、最近では、可撓性を有する金属製の蛇腹管をガス管
として採用している。
2. Description of the Related Art In a kitchen or the like, a gas cock is often attached to a wall surface. Recently, many gypsum boards have been used to simplify the structure of the wall surface. It is difficult to adopt a conventional steel pipe for such a wall surface, and recently, a flexible metal bellows pipe has been adopted as a gas pipe.

【0003】この蛇腹管は肉厚が薄い金属管の外周壁を
一定間隔で拡大させて管壁の軸線方向断面を波形にする
とともに、該波形を構成する山部の外径を一定に設定し
たものである。このような構成としては、具体的には
のようなものが知られている。この従来のものは、被
接続主体(1)としてのガスコックのガス入口(11)
から張出させたフランジ(12)と壁板(30)の裏面
に添設する当て板(40)とをボルト(5),(5)に
よってネジ止めすることにより、ガスコック本体を壁板
(30)に固定し、このガスコック本体に継手(20)
を介して可撓性を有する金属製の蛇腹管(2)を接続し
ている。
In this bellows tube, the outer peripheral wall of a thin metal tube is enlarged at regular intervals to make the axial cross section of the tube wall corrugated, and the outer diameter of the ridge forming the waveform is set constant. Things. Such configuration, in particular FIG.
Something like 9 is known. This conventional one has a gas inlet (11) of a gas cock as a connected subject (1).
The gas cock main body is fixed to the wall plate (30) by screwing the flange (12) protruding from the wall and the backing plate (40) attached to the back surface of the wall plate (30) with bolts (5) and (5). ), And a joint (20) is attached to the gas cock body.
Is connected to a flexible metal bellows tube (2).

【0004】前記継手(20)は、継手主体(22)
と、これに内装されるゴムパッキン(P)及びリテーナ
(6),(6)と、上記継手主体(22)の端部に螺合
締付けして前記リテーナ(6),(6)を相互接近方向
に付勢する操作筒(23)とからなり、前記リテーナ
(6),(6)の内面は蛇腹管(2)の外面に適合する
波形に形成されている。又、上記操作筒(23)の後端
内周にはフランジ(27)が設けられており、該フラン
ジ(27)と継手主体(22)に装填したゴムパッキン
(P)とから成る挟圧手段によってリテーナ(6),
(6)が挟圧されるようにしている。そして、上記フラ
ンジ(27)がリテーナ(6),(6)に当接する面は
該リテーナ(6),(6)に向かって直径拡大するテー
パー面(24)になっている。
[0004] The joint (20) comprises a joint main body (22).
And the rubber packing (P) and the retainers (6), (6) provided therein, and the retainers (6), (6) are mutually approached by screwing the ends of the joint main body (22). And an inner surface of the retainers (6), (6) is formed in a waveform conforming to an outer surface of the bellows tube (2). A flange (27) is provided on the inner periphery of the rear end of the operation cylinder (23), and a squeezing means comprising the flange (27) and a rubber packing (P) loaded in the joint main body (22). By retainer (6),
(6) is configured to be pinched. The surface of the flange (27) in contact with the retainers (6), (6) is a tapered surface (24) whose diameter increases toward the retainers (6), (6).

【0005】このものでは、蛇腹管(2)の外面をリテ
ーナ(6),(6)で抱持状態にすると共に、この状態
にある蛇腹管(2)を継手主体(22)の筒部(25)
に内挿し、その後、上記筒部(25)に操作筒(23)
を螺合してこれを締付けると、該操作筒(23)の後端
内周に張出させたフランジ(27)のテーパー面(2
4)がリテーナ(6),(6)に当接してこれらリテー
ナ(6),(6)が蛇腹管(2)側に押し付けられ、こ
れにより、蛇腹管(2)の接続作業が完了する。そし
て、この従来のものでは、接続状態にある蛇腹管(2)
は、その外周全体にリテーナ(6),(6)が外嵌係合
状態になって筒部(25)内に内挿固定されるから、該
蛇腹管(2)が強固に固定できることとなる。
In this device, the outer surface of the bellows tube (2) is held by retainers (6) and (6), and the bellows tube (2) in this state is brought into a cylindrical portion (22) of a joint main body (22). 25)
And then the operating cylinder (23) is inserted into the cylindrical portion (25).
Is screwed together and tightened, and the tapered surface (2) of the flange (27) protruding from the inner periphery of the rear end of the operation cylinder (23)
4) comes into contact with the retainers (6) and (6), and the retainers (6) and (6) are pressed against the bellows tube (2), thereby completing the operation of connecting the bellows tube (2). In this conventional device, a bellows tube (2) in a connected state is provided.
Since the retainers (6), (6) are in an externally fitted engagement state over the entire outer periphery and are inserted and fixed in the cylindrical portion (25), the bellows tube (2) can be firmly fixed. .

【0006】ところが、この従来のものでは、操作筒
(23)の締付け作業に先立って、蛇腹管(2)を操作
筒(23)に挿通させる作業や該挿通状態にある蛇腹管
(2)の先端部にリテーナ(6),(6)を外嵌させた
ままこれを継手主体(22)の筒部(25)に挿入する
作業が必要となり、上記操作筒(23)の締付け前の作
業が必要となる分だけ接続作業が面倒になると言う問題
があった。
However, in this prior art, prior to the operation of tightening the operation tube (23), the operation of inserting the bellows tube (2) into the operation tube (23) and the operation of the bellows tube (2) in the inserted state are performed. It is necessary to insert the retainers (6) and (6) into the cylindrical portion (25) of the joint main body (22) with the retainers (6) and (6) fitted to the distal end portion. There is a problem that the connection work becomes troublesome as much as necessary.

【0007】尚、上記従来のものでは、リテーナ
(6),(6)を継手主体(22)の筒部(25)内に
装填しているが、図10に示すように、これらリテーナ
(6),(6)を操作筒(23)の奥部内周に沿うよう
に配列装填すると共に、該操作筒(23)の先端部に螺
入状態になる筒部(25)の端面に形成したテーパー面
(26)によってこれらリテーナ(6),(6)を蛇腹
管(2)側に移動させるようにしても良い。
In the above-mentioned conventional apparatus, the retainers (6), (6) are loaded in the cylindrical portion (25) of the joint main body (22) . However, as shown in FIG. ) And (6) are arranged and loaded along the inner circumference of the operation cylinder (23), and a taper formed on the end face of the cylinder (25) which is screwed into the distal end of the operation cylinder (23). The retainers (6) and (6) may be moved to the bellows tube (2) side by the surface (26).

【0008】本考案は上記の点に鑑みて成されたもの
で、継手主体(22)内に収容されて固定される一対の
半円形のリテーナ(6),(6)により蛇腹管(2)を
抜け止め状態に係合保持するようにした配管端末接続構
造に於いて、蛇腹管(2)の接続作業が簡便に行えるよ
うにすることをその課題とする。
[0008] The present invention has been made in view of the above points, and a pair of fixed and housed in the joint body (22).
The bellows tube (2) is formed by the semicircular retainers (6) and (6).
SUMMARY OF THE INVENTION It is an object of the present invention to provide a pipe end connection structure in which a bellows pipe (2) can be easily connected in a pipe end connection structure which is engaged and held in a retaining state .

【0009】[請求項1の考案][Invention of Claim 1]

【技術的手段】上記課題を解決するための請求項1の考
案の技術的手段は、『継手主体(22)の筒部(25)
の基端部内周に設けられてこの筒部に挿入される蛇腹管
(2)の先端部外周に密に外嵌するゴムパッキン(P)
と、 前記筒部(25)の基端部の外周に形成した環状の
係合溝(29)と、 内周の一方の大径部(35)が上記
筒部(25)に対して摺動自在に外嵌し、他方の小径部
(36)とこれを挿通する前記蛇腹管(2)との間隙を
後述のリテーナ(6)の半径方向の厚さに一致させた操
作筒(23)と、 前記操作筒(23)の前記筒部(2
5)との嵌合部の先端部内周に形成した環状溝(54)
に一端係止状態に収容される一部開放の弾性リング(5
5)と、 前記環状溝(54)に於ける前記弾性リング
(55)の自由端部に一致する位 置にて操作筒(23)
の半径方向に貫通螺合させたネジ(56)と、 内周が蛇
腹管(2)の外周面に対して軸線方向に係合するように
構成され前記操作筒(23)の大径部(35)内に収容
されてバネにより相互に離反方向に付勢された一対のリ
テーナ(6),(6)とからなり、 上記大径部(35)
に内接する一対のリテーナ(6),(6)の内周を蛇腹
管(2)の外径より大きく設定し、 筒部(25)が操作
筒(23)の大径部(35)内に位置するように前記操
作筒(23)を押し込むと係合溝(29)と操作筒(2
3)の環状溝(54)とが一致する構成とし、 操作筒
(23)の上記大径部(35)と上記小径部(35)の
境界を、小径部(36)側に向かって小径となるテーパ
面とした』ことである。
The technical means for solving the above-mentioned problem according to the first aspect of the present invention is described in " The tubular part (25) of the joint main body (22) ".
Bellows tube that is provided on the inner periphery of the base end of the tube and inserted into this cylindrical portion
(2) Rubber packing (P) that closely fits around the tip
And an annular shape formed on the outer periphery of the base end of the cylindrical portion (25).
The engagement groove (29) and one large diameter portion (35) of the inner circumference are
Externally slidably fitted to the cylindrical part (25), and the other small diameter part
(36) and the gap between the bellows tube (2) passing therethrough
An operation that matches the radial thickness of the retainer (6) described later
A cylinder (23) and the cylinder (2) of the operation cylinder (23).
5) an annular groove (54) formed on the inner periphery of the tip of the fitting portion
Partially open elastic ring (5
5) and the elastic ring in the annular groove (54).
Operating tube at position matching free end of (55) (23)
And radially through screwed allowed the screws (56), the inner circumferential snake
So as to axially engage the outer peripheral surface of the abdominal tube (2)
The operation tube (23) is accommodated in the large-diameter portion (35).
And a pair of ribs that are urged away from each other by a spring.
The large-diameter portion (35) is composed of a tena (6) and (6 ).
The inner circumference of a pair of retainers (6), (6) inscribed in the bellows
Set larger than the outer diameter of the pipe (2) and operate the cylinder (25)
The operation is performed so as to be located within the large-diameter portion (35) of the cylinder (23).
When the cylinder (23) is pushed in, the engagement groove (29) and the operation cylinder (2)
3) an annular groove (54) is configured to match, the operating tube
(23) the large diameter portion (35) and the small diameter portion (35)
The boundary is tapered so that the diameter decreases toward the small diameter portion (36).
Face . "

【0010】[0010]

【作用】上記技術的手段は次のように作用する。リテー
ナ(6),(6)は、これらを連結するバネの付勢力に
よって互いに離反させられた状態になっており、この離
反状態にあるリテーナ(6),(6)の内面を繋いで出
来る閉塞面の内径は、蛇腹管(2)の外径より大きく設
定された状態になっている。
The above technical means operates as follows. The retainers (6), (6) are separated from each other by the urging force of a spring connecting them, and a blockage formed by connecting the inner surfaces of the retainers (6), (6) in the separated state. The inner diameter of the surface is set to be larger than the outer diameter of the bellows tube (2).

【0011】さて、この状態で、既述従来のものと同様
に、リテーナ(6),(6)の内側に蛇腹管(2)の先
端部を遊挿すると共に、操作筒(23)を操作してこれ
を筒部(25)の基端部方向に移動させると、上記リテ
ーナ(6),(6)は前記筒部(25)によって大径部
(35)から小径部(36)に押し込まれる。このと
き、前記大径部(35)と小径部(36)との境界のテ
ーパ面が案内作用を発揮する。
In this state, the tip of the bellows tube (2) is loosely inserted into the retainers (6) and (6) and the operation tube (23) is operated in the same manner as in the prior art. When the retainer (6) is moved toward the base end of the tubular portion (25), the retainer (6) is moved to the large diameter portion by the tubular portion (25).
From (35), it is pushed into the small diameter part (36). This and
The boundary between the large diameter portion (35) and the small diameter portion (36).
The taper surface exerts a guiding action.

【0012】これにより、リテーナ(6),(6)が相
互に接近せしめられて蛇腹管(2)の外周に外嵌してこ
れを抜け止め状態に固定する。 この状態では、環状溝
(54)内の弾性リング(55)と環状の係合溝(2
)とが一致する。そして、この弾性リング(55)の
一方の自由端部に一致させて設けた、ネジ(56)をね
じ込むと、弾性リング(55)を介して筒部(25)と
操作筒(23)とが抜け止め状態に係合する。 又、蛇腹
管(2)を取外すには、ネジ(56)をゆるめて操作筒
(23)を初期位置まで復帰移動させれば良い。する
と、リテーナ(6),(6)は大径部(35)に位置し
て、これらを連結するバネの付勢力によって、相互に離
反せしめられて蛇腹管(2)が取外せる。
As a result, the retainers (6) and (6) are
Close to each other and fit outside the bellows tube (2)
And secure it in the locked state. In this state, the annular groove
(54) and the annular engagement groove (2).
9 ) matches. And of this elastic ring (55)
Screw the screw (56) provided to match one free end
When it is retracted, it comes into contact with the cylindrical portion (25) via the elastic ring (55).
The operation cylinder (23) is engaged with the operation stopper (23). Also, bellows
To remove the tube (2), loosen the screw (56)
(23) may be returned to the initial position. Do
And the retainers (6) and (6) are located at the large diameter portion (35).
Are separated from each other by the biasing force of the spring connecting them.
The bellows tube (2) can be removed by being turned upside down.

【0013】[0013]

【効果】本考案は次の特有の効果を有する。筒部(2
5)に蛇腹管(2)の端部をそのまま挿入して操作筒
(23)を操作するだけで該蛇腹管(2)の接続作業が
完了するから、該蛇腹管(2)の接続作業が簡便に行え
る。接続状態に維持する為には、小さなネジ(56)を
綿め付けるだけであるから、接続状態維持の為の操作力
が軽い。
[Effect] The present invention has the following specific effects. Tube (2
5) The operation of connecting the bellows tube (2) is completed simply by inserting the end of the bellows tube (2) as it is and operating the operation tube (23). It can be done easily. In order to maintain the connection, small screw (56)
Operation force for maintaining the connected state because it is just cotton
But light.

【0014】[請求項2の考案] 本考案は、上記請求項1の発明と同様の課題を解決する
ものであり、この為に採用される技術的手段は、『継手
主体(22)の筒部(25)の基端部内周に設けられて
この筒部に挿入される蛇腹管(2)の先端部外周に密に
外嵌するゴムパッキン(P)と、 前記ゴムパッキン
(P)の収容部から筒部(25)の開放端までの範囲に
形成された前記ゴムパッキン(P)の収容部よりも大き
な大径孔部内に収容され且つバネによって押込方向に付
勢される進退筒(60)と、 前記大径孔部の内方端面と
前記進退筒(60)の軸線方向内側のテーパ状端面との
間に介在されバネにより相互に離反する方向に付勢され
た一対の半円形のリテーナ(6),(6)とからなり、
前記離反状態にある一対の半円形のリテーナ(6),
(6)の内周は蛇腹管(2)の外周径よりも大きく設定
され、 前記リテーナ(6),(6)が蛇腹管(2)に密
に外嵌した状態では、その内周は、蛇腹管(2)の外周
面に対して軸線方向に係合すると共に、これらリテーナ
の外径が前記進退筒(60)の前記テーパ状端面側の一
定範囲のリテーナ収容部の内径よりも小さく設定され、
前記進退筒(60)に於ける前記リテーナ収容部よりも
外側の内径をリテーナ(6),(6)の外径よりも小さ
く設定した』ことである。
[Invention of Claim 2] The present invention is to solve the same problem as the invention of Claim 1, and the technical means adopted for this purpose is " joint "
It is provided on the inner periphery of the base end of the cylindrical portion (25) of the main body (22).
Closely around the distal end of the bellows tube (2) inserted into this cylindrical part
Rubber packing (P) to be fitted outside, and said rubber packing
(P) to the open end of the cylindrical portion (25)
Larger than the accommodation part of the formed rubber packing (P)
Is accommodated in a large-diameter hole and attached in the pushing direction by a spring.
An energized reciprocating cylinder (60), an inner end face of the large-diameter hole,
With the tapered end surface on the inner side in the axial direction of the advance / retreat cylinder (60)
Urged in the direction away from each other by a spring
And a pair of semicircular retainers (6) and (6),
A pair of semicircular retainers (6) in the separated state,
The inner circumference of (6) is set larger than the outer diameter of the bellows tube (2)
And the retainers (6), (6) are tightly fitted to the bellows tube (2).
When it is fitted to the outside, its inner circumference is the outer circumference of the bellows tube (2).
Surface and engage these retainers.
Outside diameter of the tapered end face side of the advance / retreat cylinder (60)
It is set smaller than the inner diameter of the retainer housing part in the fixed range,
Than the retainer accommodating portion in the advance / retreat cylinder (60)
Outer inner diameter is smaller than outer diameter of retainers (6) and (6)
Was set . "

【0015】このものでは、蛇腹管(2)を継手主体
(22)内に挿入して進退筒(60)を押し込むと、一
対の半円形のリテーナ(6),(6)が、前記進退筒
(6)のテーパ状端面の作用によってこの進退筒(6
0)内に押し込まれる。 前記進退筒(60)は押込方向
に付勢されていることから、又、前記進退筒の前記リテ
ーナ収容部の外側は小径部となっているから、これとの
係合によりリテーナは抜止め状態に保持される。
In this apparatus , the bellows pipe (2) is mainly made of a joint.
(22) and push in the retraction cylinder (60),
A pair of semicircular retainers (6), (6)
Due to the action of the tapered end face of (6), the advance / retreat cylinder (6)
0). The advance / retreat cylinder (60) is in the pushing direction.
The retainer of the advancing / retracting cylinder.
Since the outside of the housing section is a small diameter section,
The engagement holds the retainer in a retaining state.

【0016】蛇腹管(2)を取り外すには、進退筒(6
0)を引き抜く。これにより、リテーナ(6),(6)
が進退筒(60)と大径孔部の内側端面との間に位置し
て、相互に離反した状態に復帰する。従つて、蛇腹管
(2)が引き出せることとなる。 このように、この請求
項2の考案では、進退筒(60)を押し込むだけで抜止
め状態に接続出来、この進退筒(60)を引き抜くこと
によって蛇腹管(2)が取り出せることとなる。従っ
て、一層操作性が向上する。
In order to remove the bellows tube (2), the reciprocating tube (6)
Pull out 0). Thereby, the retainers (6), (6)
Is located between the advance / retreat cylinder (60) and the inner end face of the large-diameter hole.
To return to the mutually separated state. Therefore, the bellows tube
(2) can be extracted. Thus, this claim
In the invention of item 2, it can be stopped simply by pushing the retraction cylinder (60).
Can be connected to the state, and pull out this advance / retreat cylinder (60).
Thus, the bellows tube (2) can be taken out. Follow
Thus, the operability is further improved.

【0017】[0017]

【実施例】次に、上記した本考案の実施例を図面に従っ
て詳述する。図1〜図5に請求項1の考案の実施例を示
すが、このものでは、継手主体(22)の筒部(25)
にはその基端部外周に凹溝(29)が周設されていると
共に、該筒部(25)内にはゴムパッキン(P)が装填
されている。又、上記筒部(25)の先端外周部にはテ
ーパー面(19)が形成されている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 5 show an embodiment of the invention of claim 1.
However, in this case, the cylindrical portion (25) of the joint main body (22)
Is provided with a concave groove (29) around its base end.
In both cases, rubber packing (P) is loaded in the cylindrical portion (25).
Have been. Also, the outer periphery of the tip of the cylindrical portion (25) is
A paper surface (19) is formed.

【0018】他方、操作筒(23)の先端部内には図2
に示すように環状バネ(47)で離反方向に付勢された
一対の半円形(環状半体)のリテーナ(6),(6)が
装填されており、該リテーナ(6),(6)を装填する
操作筒(23)内の大径部(35)とこれに続く小径部
(36)の境界部はテーパー面(37)となっている。
又、上記小径部(36)に於ける前記大径部(35)と
反対側に位置する端部には、内周フランジ(38)が周
設されている。
On the other hand, FIG.
As shown in the figure, the spring is biased in the separating direction by the annular spring (47).
A pair of semicircular (annular half) retainers (6), (6) are loaded, and a large-diameter portion (35) in an operation cylinder (23) for loading the retainers (6), (6). The boundary of the small diameter portion (36) following this is a tapered surface (37).
An inner peripheral flange (38) is provided around an end of the small diameter portion (36) opposite to the large diameter portion (35).

【0019】又、上記操作筒(23)の継手主体(2
2)側の端部の内周には図1及び図4に示すような環状
溝(54)が形成されており、該環状溝(54)には、
一端(58)が操作筒(23)に回り止め状態に固定さ
れた弾性リング(55)が装填されている。更に、操作
筒(23)の先端部の側壁には、半径方向に貫通する雌
ネジ(53)が形成されており、該雌ネジ(53)に
は、上記した弾性リング(55)を直径収縮させる方向
に押圧するネジ(56)が螺入されている。
Further, the joint main body (2) of the operating cylinder (23)
An annular groove (54) as shown in FIGS . 1 and 4 is formed on the inner periphery of the end on the side 2), and the annular groove (54) has
An elastic ring (55) whose one end (58) is fixed to the operation cylinder (23) so as not to rotate is loaded. Further, a female screw (53) penetrating in the radial direction is formed on the side wall of the distal end portion of the operation cylinder (23), and the above-mentioned elastic ring (55) is contracted in diameter with the female screw (53). A screw (56) for pressing in the direction in which it is to be screwed is screwed.

【0020】このものでは、図1に示すように、継手主
体(22)のゴムパッキン(P)部分に蛇腹管(2)を
圧入し、その後、操作筒(23)を継手主体(22)の
筒部(25)に深く外挿させると、環状バネ(47)で
離反方向に付勢されたリテーナ(6),(6)は、操作
筒(23)の大径部(35)から小径部(36)に変化
する部分に形成されたテーパー面(37)と筒部(2
5)の先端外周に形成されたテーパー面(19)で挟圧
されて直径収縮する方向に移動と共に、蛇腹管(2)の
外周面に外嵌して図3に示す状態になる。
In this apparatus, as shown in FIG. 1 , a bellows pipe (2) is press-fitted into a rubber packing (P) portion of a joint main body (22), and thereafter, an operation cylinder (23) is connected to the joint main body (22). When extrapolated deeply into the cylindrical portion (25), the retainers (6), (6) urged in the separating direction by the annular spring (47) move from the large-diameter portion (35) to the small-diameter portion of the operating cylinder (23). The tapered surface (37) formed at the portion changing to (36) and the cylindrical portion (2)
The tapered surface (19) formed on the outer periphery of the distal end of (5) moves in the direction in which the diameter is reduced by being pressed, and is fitted to the outer peripheral surface of the bellows tube (2) as shown in FIG .

【0021】この状態では、操作筒(23)の先端内周
部に装着した弾性リング(55)は、筒部(25)の基
端部に捲回形成した凹溝(29)に対応した状態にな
り、この状態で操作筒(23)の先端部に設けたビス
(56)をネジ込むと、環状溝(54)が上記ビス(5
6)で押されてこれに対応する筒部(25)側の凹溝
(29)に嵌入係合し、これにより、図4に示すよう
に、操作筒(23)が抜け止め状態になって蛇腹管
(2)の接続作業が完了する。
In this state, the elastic ring (55) attached to the inner peripheral portion of the distal end of the operating cylinder (23) is in a state corresponding to the concave groove (29) wound on the proximal end of the cylindrical section (25). In this state, when a screw (56) provided at the tip of the operation cylinder (23) is screwed in, the annular groove (54) is screwed into the screw (5).
6), and is fitted and engaged in the corresponding groove (29) on the side of the cylindrical portion (25), whereby the operating cylinder (23) is prevented from falling off as shown in FIG. The connection of the bellows tube (2) is completed.

【0022】図6〜図8に請求項2の考案の実施例を示
す。このものでは、継手主体(22)に具備させた筒部
(25)には、円筒状の本体(61)とその両端に螺合
されたテーパー筒(62)及び外鍔(63)から構成さ
れる進退筒(60)が内装されており、該進退筒(6
0)は、バネ(65)によって筒部(25)の内方に向
けて付勢されている。
FIGS. 6 to 8 show an embodiment of the present invention.
You. In this apparatus, a cylindrical portion (25) provided in a joint main body (22) is composed of a cylindrical main body (61), a tapered cylinder (62) screwed to both ends thereof, and an outer flange (63). The forward / backward cylinder (60) is provided therein.
0) is urged inward of the cylindrical portion (25) by the spring (65).

【0023】他方、継手本体(22)の筒部(25)内
には、環状バネ(47)で互いに離反する方向に付勢さ
れたリテーナ(6),(6)とその奥のゴムパッキン
(P)が装墳されている。このものでは、蛇腹管(2)
を接続しない状態においては、図6に示すように、バネ
(65)の付勢力によって、進退筒(60)が筒部(2
5)内に深く押し込まれた状態になっており、リテーナ
(6),(6)はその外周がテーパー筒(62)の内面
で押されて互いに接近した状態になっている。
On the other hand, in the cylindrical portion (25) of the joint body (22), the retainers (6) and (6) urged in the direction away from each other by the annular spring (47) and the rubber packing ( P) is mounted. In this one, bellows tube (2)
In the state in which is not connected, as shown in FIG. 6 , the urging force of the spring (65) causes the advance / retreat cylinder (60) to move the cylinder portion (2).
5), the retainers (6) and (6) are pressed closely by the inner surface of the tapered tube (62), and the retainers (6) and (6) are close to each other.

【0024】次にバネ(65)の付勢力に抗して進退筒
(60)を筒部(25)から引出す方向に移動させる
と、図7に示すように、進退筒(60)のテーパー筒
(62)がリテーナ(6),(6)の外周部に位置しな
いこととなり、これにより、該リテーナ(6),(6)
は環状バネ(47)の付勢力によって離反状態になる。
この状態で、進退筒(60)を介して蛇腹管(2)の先
端を筒部(25)内に挿入して上記進退筒(60)を筒
部(25)の基端部方向に押し込むと、図8に示すよう
に、進退筒(60)の先端部に配設したテーパー筒(6
2)によってリテーナ(6),(6)が直径収縮せしめ
られて蛇腹管(2)の外周に外嵌結合し、これにより、
蛇腹管(2)の接続作業が完了する。
Next, when the advance / retreat cylinder (60) is moved in a direction of being pulled out from the cylinder portion (25) against the urging force of the spring (65), as shown in FIG. (62) is not located at the outer peripheral portion of the retainers (6) and (6), whereby the retainers (6) and (6) are not located.
Is separated by the urging force of the annular spring (47).
In this state, when the distal end of the bellows tube (2) is inserted into the tubular portion (25) via the forward / backward tube (60) and the forward / backward tube (60) is pushed toward the base end of the tubular portion (25). As shown in FIG. 8, a tapered tube (6) disposed at the tip of the forward / backward tube (60).
By 2), the retainers (6) and (6) are contracted in diameter and externally fitted to the outer periphery of the bellows tube (2), whereby
The connection of the bellows tube (2) is completed.

【0025】尚、上記いずれの実施例においても、継手
本体(22)に於ける蛇腹管(2)の接続側と反対側に
は他の蛇腹管等の配管を接続しても良く、又、ガスコッ
クから一体的に突出するガス配管接続筒が継手本体(2
2)を構成するようにしても良い。そして、上記ガス配
管接続筒がそのまま継手本体(22)となるようにした
場合には、ガスコックの配管設置作業が簡便に行えるこ
ととなる。
In any of the above embodiments, another pipe such as a bellows pipe may be connected to the joint body (22) on the side opposite to the side where the bellows pipe (2) is connected. The gas pipe connection tube that protrudes integrally from the gas cock is the joint body (2
2) may be configured. And when the said gas piping connection pipe | tube is made into the joint main body (22) as it is, the piping installation work of a gas cock will be able to be performed easily.

【図面の簡単な説明】[Brief description of the drawings]

【図1】請求項1の考案の実施例の非接続状態の断面図 FIG. 1 is a cross-sectional view of a non-connected state according to an embodiment of the present invention.

【図2】リテーナ(6),(6)の組立て斜視図 FIG. 2 is an assembled perspective view of retainers (6) and (6).

【図3】前記実施例の蛇腹管接続完了直前の状態の断面
FIG. 3 is a cross-sectional view of a state immediately before completion of the bellows tube connection in the embodiment .
Figure

【図4】蛇腹管接続完了状態の断面図 FIG. 4 is a cross-sectional view showing a state in which a bellows tube connection is completed.

【図5】X−X断面図 FIG. 5 is a sectional view taken along line XX of FIG.

【図6】請求項2の考案の実施例の断面図 FIG. 6 is a sectional view of an embodiment of the invention of claim 2;

【図7】蛇腹管(2)の非接続状態の断面図 FIG. 7 is a sectional view of the bellows tube (2) in a disconnected state.

【図8】蛇腹管(2)の接続状態の断面図 FIG. 8 is a sectional view of a connected state of a bellows tube (2).

【図9】従来例の説明図 FIG. 9 is an explanatory view of a conventional example.

【図10】従来例の変形例の説明図 FIG. 10 is an explanatory view of a modification of the conventional example.

【符号の説明】[Explanation of symbols]

(2)・・・蛇腹管 (6)・・・リテーナ(22)・・・継手主体 (23)・・・操作筒 (25)・・・筒部 (29)・・・係合溝 (35)・・・大径部 (36)・・・小径部 (54)・・・環状溝 (55)・・・弾性リング (56)・・・ネジ (P)・・・ゴムパッキン (2) ... bellows pipe (6) ... retainer (22) ... joint main body (23) ... operation cylinder (25) ... cylinder part (29) ... engagement groove (35 ) ) ... large diameter part (36) ... small diameter part (54) ... annular groove (55) ... elastic ring (56) ... screw (P) ... rubber packing

Claims (2)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】 継手主体(22)の筒部(25)の基端
部内周に設けられてこの筒部に挿入される蛇腹管(2)
の先端部外周に密に外嵌するゴムパッキン(P)と、 前記筒部(25)の基端部の外周に形成した環状の係合
溝(29)と、 内周の一方の大径部(35)が上記筒部(25)に対し
て摺動自在に外嵌し、他方の小径部(36)とこれを挿
通する前記蛇腹管(2)との間隙を後述のリテーナ
(6)の半径方向の厚さに一致させた操作筒(23)
と、 前記操作筒(23)の前記筒部(25)との嵌合部の先
端部内周に形成した環状溝(54)に一端係止状態に収
容される一部開放の弾性リング(55)と、 前記環状溝(54)に於ける前記弾性リング(55)の
自由端部に一致する位置にて操作筒(23)の半径方向
に貫通螺合させたネジ(56)と、 内周が蛇腹管(2)の外周面に対して軸線方向に係合す
るように構成され前記操作筒(23)の大径部(35)
内に収容されてバネにより相互に離反方向に付勢された
一対のリテーナ(6)、(6)とからなり、 上記大径部(35)に内接する一対のリテーナ(6),
(6)の内周を蛇腹管(2)の外径より大きく設定し、 筒部(25)が操作筒(23)の大径部(35)内に位
置するように前記操作筒(23)を押し込むと係合溝
(29)と操作筒(23)の環状溝(54)とが一致す
る構成とし、 操作筒(23)の上記大径部(35)と上記小径部(3
5)の境界を、小径部(36)側に向かって小径となる
テーパ面とした 配管末端末接続構造。
1. A base end of a tubular portion (25) of a joint main body (22).
Bellows pipe (2) provided on the inner circumference of the part and inserted into this cylindrical part
A rubber packing (P) closely fitted to the outer periphery of the distal end of the cylindrical portion, and an annular engagement formed on the outer periphery of the proximal end of the cylindrical portion (25).
The groove (29) and one large-diameter portion (35) of the inner circumference are positioned with respect to the cylindrical portion (25).
The other small diameter part (36) is inserted
The gap with the bellows pipe (2) through which the
The operation cylinder (23) matched to the radial thickness of (6).
And a tip of a fitting portion of the operation tube (23) with the tube portion (25).
One end is locked in the annular groove (54) formed in the inner circumference of the end.
A partially open elastic ring (55) to accommodate the elastic ring (55) in the annular groove (54).
Radial direction of the operation cylinder (23) at a position corresponding to the free end
A screw (56) threaded through the inner surface of the bellows (2) is axially engaged with the outer peripheral surface of the bellows tube (2).
A large-diameter portion (35) of the operating cylinder (23)
Housed inside and urged away from each other by a spring
A pair of retainers (6), (6), and a pair of retainers (6),
The inner circumference of (6) is set to be larger than the outer diameter of the bellows tube (2), and the cylindrical portion (25) is located within the large-diameter portion (35) of the operating cylinder (23).
When the operating cylinder (23) is pushed in so that
(29) coincides with the annular groove (54) of the operation cylinder (23).
Configuration and to that, the large-diameter portion (35) and the small diameter portion of the operating tube (23) (3
The boundary of 5) becomes smaller in diameter toward the smaller diameter portion (36).
Pipe end connection structure with tapered surface .
【請求項2】 継手主体(22)の筒部(25)の基端
部内周に設けられてこの筒部に挿入される蛇腹管(2)
の先端部外周に密に外嵌するゴムパッキン(P)と、 前記ゴムパッキン(P)の収容部から筒部(25)の開
放端までの範囲に形成された前記ゴムパッキン(P)の
収容部よりも大きな大径孔部内に収容され且つ バネによ
って押込方向に付勢される進退筒(60)と、 前記大径孔部の内方端面と前記進退筒(60)の軸線方
向内側のテーパ状端面との間に介在されバネにより相互
に離反する方向に付勢された一対の半円形のリテーナ
(6),(6)とからなり、 前記離反状態にある一対の半円形のリテーナ(6),
(6)の内周は蛇腹管(2)の外周径よりも大きく設定
され、 前記リテーナ(6),(6)が蛇腹管(2)に密に外嵌
した状態では、その内周は、蛇腹管(2)の外周面に対
して軸線方向に係合すると共に、これらリテーナの外径
が前記進退筒(60)の前記テーパ状端面側の一定範囲
のリテーナ収容部の内径よりも小さく設定され、 前記進退筒(60)に於ける前記リテーナ収容部よりも
外側の内径をリテーナ(6),(6)の外径よりも小さ
く設定した 配管端末接続構造。
2. A base end of a tubular portion (25) of a joint main body (22).
Bellows pipe (2) provided on the inner circumference of the part and inserted into this cylindrical part
A rubber packing (P) closely fitted to the outer periphery of the distal end of the cylinder, and opening of the cylindrical portion (25) from the accommodating portion of the rubber packing (P).
Of the rubber packing (P) formed in the range up to the release end
A and a spring housed in a large diameter hole in section than accommodating portion
(60) urged in the pushing direction, the inner end face of the large-diameter hole portion, and the axial direction of the forward / backward cylinder (60).
Between the tapered end faces on the inner side
A pair of semicircular retainers urged away from the
(6), (6) , a pair of semicircular retainers (6) in the separated state,
The inner circumference of (6) is set larger than the outer diameter of the bellows tube (2)
And the retainers (6), (6) are closely fitted to the bellows tube (2).
In this state, the inner circumference is opposite to the outer circumference of the bellows tube (2).
And engage the retainer in the axial direction.
Is a certain range on the tapered end surface side of the advance / retreat cylinder (60).
Is set smaller than the inner diameter of the retainer housing portion, said retractable tube (60) than in the retainer accommodating portion
Outer inner diameter is smaller than outer diameter of retainers (6) and (6)
Well configured piping terminal connection structure.
JP1589194U 1994-12-26 1994-12-26 Piping terminal connection structure Expired - Lifetime JP2523029Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1589194U JP2523029Y2 (en) 1994-12-26 1994-12-26 Piping terminal connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1589194U JP2523029Y2 (en) 1994-12-26 1994-12-26 Piping terminal connection structure

Publications (2)

Publication Number Publication Date
JPH0743675U JPH0743675U (en) 1995-09-05
JP2523029Y2 true JP2523029Y2 (en) 1997-01-22

Family

ID=11901419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1589194U Expired - Lifetime JP2523029Y2 (en) 1994-12-26 1994-12-26 Piping terminal connection structure

Country Status (1)

Country Link
JP (1) JP2523029Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010270879A (en) * 2009-05-25 2010-12-02 Kanaflex Corporation Connecting structure of corrugated synthetic resin pipe

Also Published As

Publication number Publication date
JPH0743675U (en) 1995-09-05

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