JPH0735189Y2 - Piping terminal connection structure - Google Patents

Piping terminal connection structure

Info

Publication number
JPH0735189Y2
JPH0735189Y2 JP1990010059U JP1005990U JPH0735189Y2 JP H0735189 Y2 JPH0735189 Y2 JP H0735189Y2 JP 1990010059 U JP1990010059 U JP 1990010059U JP 1005990 U JP1005990 U JP 1005990U JP H0735189 Y2 JPH0735189 Y2 JP H0735189Y2
Authority
JP
Japan
Prior art keywords
tube
retainer
retainers
cylinder
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
JP1990010059U
Other languages
Japanese (ja)
Other versions
JPH03100691U (en
Inventor
茂光 米元
敏之 片山
Original Assignee
株式会社藤井合金製作所
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Filing date
Publication date
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Priority to JP1990010059U priority Critical patent/JPH0735189Y2/en
Publication of JPH03100691U publication Critical patent/JPH03100691U/ja
Application granted granted Critical
Publication of JPH0735189Y2 publication Critical patent/JPH0735189Y2/en
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Description

【考案の詳細な説明】 [産業上の利用分野及び考案の概要] 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。
[Detailed Description of the Invention] [Industrial application field and outline of the invention] The present invention relates to a pipe terminal connection structure for connecting a pipe terminal portion to a connected body such as a gas cock, and a connected body for inserting and connecting a pipe. The pipe connecting work can be performed only by operating the operation pipe attached to the side pipe portion, whereby the pipe connecting work can be easily performed.

[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。
[Prior Art and Problem] In a kitchen or the like, a gas cock is often attached to a wall surface. Recently, a large number of gypsum boards have been used to simplify the structure of the wall surface.

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。
It is difficult to adopt a conventional steel pipe for such a wall surface, and recently, a flexible metal bellows pipe is adopted as a gas pipe.

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。
In this bellows tube, the outer peripheral wall of a thin metal tube is enlarged at regular intervals to make the axial wall cross-section of the tube wall corrugated, and the outer diameter of the ridges forming the corrugated tube is set to be constant. .

このような構成としては、具体的には第13図のようなも
のが知られている。
As such a configuration, specifically, one as shown in FIG. 13 is known.

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 conventional one, a flange (12) extended from a gas inlet (11) of a gas cock as a main body (1) to be connected and a backing plate (40) attached to the back surface of the wall plate (30) are bolted. The gas cock body is fixed to the wall plate (30) by screwing it with (5) and (5), and the metal bellows tube (2) having flexibility is connected to the gas cock body through the joint (20). Are connected.

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(2
3)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。
The joint (20) includes a joint main body (22), a rubber packing (P) and retainers (6), (6) which are installed therein.
An operating cylinder (2) for screwing the retainer (6), (6) in the mutually approaching direction by screwing it to the end of the joint main body (22).
3), and the inner surfaces of the retainers (6), (6) are formed in a corrugated shape that matches the outer surface of the bellows tube (2).
A flange (27) is provided on the inner circumference of the rear end of the operating cylinder (23), and the clamping means is composed of the flange (27) and a rubber packing (P) loaded in the joint main body (22). The retainers (6) and (6) are clamped by. The flange (27) is attached to the retainer (6),
The surface abutting against (6) is a tapered surface (24) whose diameter increases toward the retainers (6) and (6).

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(24)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 case, the outer surface of the bellows tube (2) is attached to the retainer (6),
In (6), the bellows tube (2) in this state is inserted into the tubular portion (25) of the joint main body (22), and then the operating tube (23) is inserted into the tubular portion (25). When the screw is engaged with and tightened, the taper surface (24) of the flange (27) extending to the inner circumference of the rear end of the operation cylinder (23) causes the retainer (6),
These retainers (6) and (6) are pressed against the bellows tube (2) side by contacting with (6), whereby the bellows tube (2)
Connection work is completed. And in this conventional one,
Since the retainer (6), (6) is fitted onto the entire outer circumference of the bellows tube (2) in the connected state and is fitted and fixed in the tubular portion (25), the bellows tube (2) is 2) can be firmly fixed.

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 conventional one, 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 tip portion of the bellows tube (2) in the inserted state. It is necessary to insert the retainers (6) and (6) into the tubular portion (25) of the joint main body (22) while they are fitted externally, and the operation before tightening the operation tubular (23) is required. There was a problem that the connection work would be troublesome.

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、第14図
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。
Incidentally, in the above-mentioned conventional one, the retainers (6), (6) are loaded in the tubular portion (25) of the joint main body (22), but as shown in FIG. 14, these retainers (6), (6) (6) are arranged and loaded along the inner circumference of the inner part of the operation tube (23), and a taper surface () formed on the end surface of the tube section (25) screwed into the tip of the operation tube (23) ( These retainers (6) and (6) may be moved to the bellows tube (2) side by 26).

本考案は上記の点に鑑みて成されたもので、継手主体
(22)の筒部(25)の先端部に装着され且つ該筒部(2
5)の先端部とその反対の基端部の方向への移動が可能
となった操作筒(23)と、 該操作筒(23)内又は上記筒部(25)内に装填され且つ
これら操作筒(23)又は筒部(25)の内周に沿って配列
されたリテーナ(6),(6)と、 該リテーナ(6),(6)を前記操作筒(23)側と筒部
(25)側から挟む態様で対向する一対の挟圧手段を設
け、 少なくとも一方の挟圧手段に於ける上記リテーナ
(6),(6)側の対向面を該リテーナ(6),(6)
に向けて直径拡大するテーパー面とし、 リテーナ(6),(6)の内面形状を締付対象たる蛇腹
管(2)の外周面形状に適合する波形としたものであっ
て、 上記操作筒(23)を筒部(25)の基端部側に所定量だけ
移動させたときには、操作筒(23)がこの状態に保持さ
れるようになっ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。
The present invention has been made in view of the above points, and is attached to the distal end of the tubular portion (25) of the joint main body (22) and the tubular portion (2).
5) An operation tube (23) capable of moving in the direction of the tip end part and the base end part opposite thereto, and an operation tube (23) loaded in the operation tube (23) or the tube part (25) and operated by these operations. Retainers (6), (6) arranged along the inner circumference of the cylinder (23) or the cylinder part (25), and the retainers (6), (6) on the operation cylinder (23) side and the cylinder part (6). A pair of pinching means facing each other in such a manner as to be pinched from the 25) side, and the opposing surfaces of at least one of the pinching means on the side of the retainer (6), (6) are the retainers (6), (6).
A tapered surface whose diameter increases toward the inner surface of the retainer (6), (6) having a corrugated shape adapted to the outer peripheral surface of the bellows tube (2) to be tightened. In the pipe terminal connection structure in which the operation tube (23) is held in this state when the tube (23) is moved to the base end side of the tube (25) by a predetermined amount, the bellows tube (2) The task is to make it easy to perform the connection work of (1).

[技術的手段] 上記課題を解決するための本考案の技術的手段は、リテ
ーナ(6),(6)を相互に連結するバネを設けてこれ
らリテーナ(6),(6)を相互離反方向に付勢すると
共に、これら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を蛇腹管(2)の外径
より大きく設定したことである。
[Technical Means] The technical means of the present invention for solving the above-mentioned problem is to provide a spring for connecting the retainers (6), (6) to each other and to separate the retainers (6), (6) from each other. The inner diameter of the closed surface formed by connecting the inner surfaces of the retainers (6) and (6) in the separated state is set to be larger than the outer diameter of the bellows tube (2).

[作用] 上記技術的手段は次のように作用する。[Operation] The above technical means operates as follows.

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 retainers (6) and (6) are separated from each other by the urging force of the spring connecting them.
The inner diameter of the closed surface formed by connecting the inner surfaces of the retainers (6) and (6) in the separated state is set to be larger than the outer diameter of the bellows tube (2).

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、これを前記操作筒(23)側とその反対側から
挟む挟圧手段で挟圧された状態になる。
Now, in this state, similarly to the conventional one described above, the distal end of the bellows tube (2) is loosely inserted inside the retainers (6) and (6), and the operation tube (23) is operated to move it. Is moved toward the base end of the tubular portion (25), the retainer (6),
(6) is in a state of being pinched by the pinching means that pinches it from the operation cylinder (23) side and the opposite side.

すると、上記挟圧手段における前記リテーナ(6),
(6)に対向する一対の対向面の少なくとも一方が該リ
テーナ(6),(6)に向けて直径拡大するテーパー面
となっていることから、既述従来と同様に、リテーナ
(6),(6)は上記テーパー面で押されてこれらリテ
ーナ(6),(6)が相互に接近せしめられ、これによ
り、これらリテーナ(6),(6)の内面(蛇腹管
(2)の外面形状に適合した波形に形成されている)が
蛇腹管(2)の外周に外嵌係合してこれを抜け止め状態
に固定する。
Then, the retainer (6) in the pinching means,
Since at least one of the pair of facing surfaces facing (6) is a tapered surface whose diameter increases toward the retainers (6), (6), the retainer (6), (6) is pushed by the taper surface to bring the retainers (6) and (6) close to each other, whereby the inner surfaces of the retainers (6) and (6) (the outer surface shape of the bellows pipe (2)). Is formed in a corrugated shape that fits with the outer circumference of the bellows tube (2) and is fixed in a retaining state.

又、上記接続固定した蛇腹管(2)を取外すには、操作
筒(23)を初期位置まで復帰移動させれば良い。する
と、挟圧手段のテーパ面とリテーナ(6),(6)の関
係は初期状態に戻り、リテーナ(6),(6)はこれら
を相互に連結するバネの付勢力によって初期位置まで相
互に離反せしめられて蛇腹管(2)が取外せる。
Further, in order to remove the bellows tube (2) fixedly connected, the operation tube (23) may be moved back to the initial position. Then, the relationship between the tapered surface of the pinching means and the retainers (6), (6) returns to the initial state, and the retainers (6), (6) are mutually moved to the initial position by the urging force of the spring connecting them. The bellows tube (2) is detached and can be removed.

[効果] 本考案は次の特有の効果を有する。[Effect] The present invention has the following unique effects.

筒部(25)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。
Since the connecting work of the bellows tube (2) is completed simply by inserting the end of the bellows tube (2) into the tube section (25) and operating the operating tube (23), Connection work can be done easily.

[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。
[Embodiment] Next, an embodiment of the present invention described above will be described in detail with reference to the drawings.

第1図に示すように、継手主体(22)に具備させた筒部
(25)の先端内周には、雌ネジ(42)が刻設された大径
部(43)が形成されており、該大径部(43)には操作筒
(23)が螺入されるようになっている。
As shown in FIG. 1, a large diameter portion (43) having a female screw (42) formed therein is formed on the inner periphery of the distal end of the tubular portion (25) provided in the joint main body (22). The operation cylinder (23) is screwed into the large diameter portion (43).

上記筒部(25)に形成された大径部(43)の奥には中間
径部(44)とこれに続く小径部(45)が形成されてお
り、上記大径部(43)と中間径部(44)の境界部はテー
パー面(46)になっている。又、中間径部(44)と小径
部(45)の境界の段部(48)にはゴムパッキン(P)が
装填されている。
An intermediate diameter portion (44) and a small diameter portion (45) following the intermediate diameter portion (44) are formed at the inner side of the large diameter portion (43) formed in the tubular portion (25), and the intermediate portion and the large diameter portion (43) are intermediate. The boundary part of the diameter part (44) is a tapered surface (46). A rubber packing (P) is loaded in the step (48) at the boundary between the intermediate diameter portion (44) and the small diameter portion (45).

上記筒部(25)の先端部に形成された大径部(43)には
一対の円弧状のリテーナ(6),(6)が装填されてお
り、これらリテーナ(6),(6)は、これらに内嵌し
た環状バネ(47)で互いに離反する方向に付勢されてい
る(第2図参照)。
A large-diameter portion (43) formed at the tip of the tubular portion (25) is loaded with a pair of arc-shaped retainers (6), (6), and these retainers (6), (6) are , Are urged in directions in which they are separated from each other by an annular spring (47) fitted therein (see FIG. 2).

この実施例のものでは、蛇腹管(2)を接続していない
初期状態においては、第1図,第2図に示すように、リ
テーナ(6),(6)はこれに内嵌させた環状バネ(4
7)によって接続対象となる蛇腹管(2)の外径より広
がった状態になっている。
In this embodiment, in the initial state where the bellows tube (2) is not connected, the retainers (6) and (6) are annularly fitted inside the retainers (6) and (6) as shown in FIGS. 1 and 2. Spring (4
It has become wider than the outer diameter of the bellows pipe (2) to be connected by 7).

さて、この状態で、操作筒(23)の端部から蛇腹管
(2)を挿入し、該蛇腹管(2)の先端をゴムパッキン
(P)内に圧入した状態にする。
Now, in this state, the bellows tube (2) is inserted from the end of the operation tube (23), and the tip of the bellows tube (2) is pressed into the rubber packing (P).

この状態で操作筒(23)を締付けると、該操作筒(23)
の先端面(21)がリテーナ(6),(6)を筒部(25)
の奥に押し込み、これらリテーナ(6),(6)は、大
径部(43)と中間径部(44)を繋ぐテーパー面(46)を
登るように移動してこれらリテーナ(6),(6)が互
いに接近する。即ち、リテーナ(6),(6)は、これ
らに内嵌した環状バネ(47)の付勢力に抗して接近して
蛇腹管(2)の外周面に外嵌するのである。そして、リ
テーナ(6),(6)が蛇腹管(2)に外嵌した後に操
作筒(23)を一層締込むと、上記リテーナ(6),
(6)が蛇腹管(2)に外嵌した状態で筒部(25)の小
径部(45)側に移動せしめられる。これにより、リテー
ナ(6),(6)とゴムパッキン(P)の間に位置する
蛇腹管(2)の一部が筒部(25)の軸線方向に圧縮変形
せしめられ、該圧縮変形部分(39)が、第3図の如く、
ゴムパッキン(P)の内面に気密状態に圧接した状態に
なる。これにより、蛇腹管(2)の接続作業が完了す
る。
When the operating tube (23) is tightened in this state, the operating tube (23)
The front end face (21) of the retainer (6), (6) is the tubular portion (25)
The retainers (6), (6) are pushed into the interior of the retainer (6), (6) to move so as to climb a taper surface (46) connecting the large diameter portion (43) and the intermediate diameter portion (44), and thus the retainers (6), (6), 6) approach each other. That is, the retainers (6) and (6) are fitted to the outer peripheral surface of the bellows tube (2) while approaching against the biasing force of the annular spring (47) fitted therein. Then, when the retainer (6), (6) is fitted onto the bellows tube (2) and the operation cylinder (23) is further tightened, the retainer (6),
(6) is moved to the small diameter portion (45) side of the tubular portion (25) while being fitted onto the bellows pipe (2). As a result, a part of the bellows tube (2) located between the retainers (6) and (6) and the rubber packing (P) is compressed and deformed in the axial direction of the tubular portion (25), and the compression deformed portion ( 39), as shown in Fig. 3,
The inner surface of the rubber packing (P) is in pressure contact with the airtight state. This completes the work of connecting the bellows tube (2).

次に、上記接続状態にある蛇腹管(2)を取外すには、
継手主体(22)の筒部(25)に螺入した操作筒(23)を
初期位置まで回動させて緩めれば良い。
Next, to remove the bellows tube (2) in the connected state,
The operation tube (23) screwed into the tube portion (25) of the joint main body (22) may be rotated to the initial position and loosened.

操作筒(23)を初期位置まで復帰させると、リテーナ
(6),(6)は、これらに内嵌させた環状バネ(47)
の付勢力によって互いに離反せしめられて第1図の状態
に復帰し、これにより、蛇腹管(2)の抜き取りが可能
となる。
When the operating cylinder (23) is returned to the initial position, the retainers (6) and (6) have annular springs (47) fitted therein.
By the urging force of the two, they are separated from each other and returned to the state of FIG. 1, whereby the bellows tube (2) can be pulled out.

尚、上記実施例では、筒部(25)内の大径部(43)と中
間径部(44)を繋ぐテーパー面(46)部分と操作筒(2
3)の先端面部分とがリテーナ(6),(6)を挟圧す
る挟圧手段を構成している。
In the above embodiment, the tapered surface (46) connecting the large diameter portion (43) and the intermediate diameter portion (44) in the tubular portion (25) and the operating tube (2).
The tip surface portion of 3) constitutes a pinching means for pinching the retainers (6) and (6).

第4図に示すものは、蛇腹管(2)の外面に水密状態で
圧接する防水パッキン(28)を操作筒(23)の内面に装
填したもので、同図に示す継手をガス配管接続具として
使用する場合のように、リテーナ(6),(6)の装填
部分等への水の侵入を防止する必要があるときには、該
水の侵入が上記防水パッキン(29)の防水作用によて防
げる利点がある。
FIG. 4 shows a case where a waterproof packing (28), which is pressed against the outer surface of the bellows tube (2) in a watertight state, is loaded on the inner surface of the operation tube (23), and the joint shown in the figure is connected to the gas pipe connector. When it is necessary to prevent water from invading the loading parts of the retainers (6) and (6) as in the case of using as the water, the invasion of water is caused by the waterproof action of the waterproof packing (29). There is an advantage that can be prevented.

第5図〜第9図に本考案の第2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。
A second embodiment of the present invention is shown in FIGS. 5 to 9, in which the cylindrical portion (25) of the joint main body (22) is provided with a concave groove (29) around its base end portion. And the tubular part (25)
A rubber packing (P) is loaded inside. Further, a tapered surface (19) is formed on the outer peripheral portion of the tip of the cylindrical portion (25).

他方、操作筒(23)の先端部内にはリテーナ(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, the retainer (6),
(6) is loaded, and the boundary portion between the large diameter portion (35) and the small diameter portion (36) following the large diameter portion (35) in the operating cylinder (23) for loading the retainers (6) and (6) is a tapered surface ( 37).
An inner peripheral flange (38) is provided around the end of the small diameter portion (36) opposite to the large diameter portion (35).

又、上記操作筒(23)の継手主体(22)側の端部の内周
には第5図及び第9図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。
Further, an annular groove (54) as shown in FIG. 5 and FIG. 9 is formed on the inner circumference of the end portion of the operating cylinder (23) on the joint main body (22) side, and the annular groove (54) is formed. ) Is loaded with an elastic ring (55) whose one end (58) is fixed to the operation cylinder (23) in a non-rotating state.

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, a female screw (53) penetrating in the radial direction is formed on the side wall of the distal end portion of the operating cylinder (23), and the female screw (53)
A screw (56) for pressing the elastic ring (55) in a diameter contracting direction is screwed into this.

このものでは、第5図に示すように、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(3
5)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(25)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第7図に示す状態
になる。そして、この実施例では、テーパー面(37),
(19)を形成した操作筒(23)及び筒部(25)が挟圧手
段となっている。
In this case, as shown in FIG. 5, the bellows pipe (2) is press-fitted into the rubber packing (P) portion of the joint main body (22), and then the operating cylinder (23) is inserted into the joint main body (22). When the retainer (6), (6) is urged in the separating direction by the annular spring (47) when it is deeply inserted into the (25), the large diameter portion (3
5) Moves in a direction in which the taper surface (37) formed in the portion that changes from the small diameter portion (36) and the taper surface (19) formed on the outer periphery of the tip of the tubular portion (25) contract the diameter and contract. At the same time, the bellows tube (2) is externally fitted to the outer peripheral surface to be in the state shown in FIG. In this embodiment, the tapered surface (37),
The operation tube (23) and the tube portion (25) forming the (19) serve as a pinching means.

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(56)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、第
8図に示すように、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) formed in the proximal end of the cylindrical portion (25), In this state, when the screw (56) provided at the tip of the operation tube (23) is screwed in, the annular groove (54) is pushed by the screw (56) and the corresponding recess on the tube section (25) side. The fitting engagement with the groove (29) is carried out, whereby the operation tube (23) is in the retaining state as shown in FIG. 8, and the connecting work of the bellows tube (2) is completed.

第10図〜第12図に本考案の第3実施例を示す。10 to 12 show a third embodiment of the present invention.

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(6
0)が内装されており、該進退筒(60)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。
In this product, the tubular part (25) provided on the joint main body (22)
The forward / backward moving cylinder (6) is composed of a cylindrical main body (61), a taper cylinder (62) screwed at both ends thereof, and an outer collar (63).
0) is installed inside, and the advance / retreat cylinder (60) is provided with a spring (65).
It is urged toward the inside of the tubular portion (25) by the.

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)が装填さ
れている。
On the other hand, in the tubular portion (25) of the joint body (22), the retainers (6), (6) and the rubber packing (P) at the back of the retainers (6), (6) are urged by the annular spring (47) in directions away from each other. It is loaded.

このものでは、蛇腹管(2)を接続しない状態において
は、第10図に示すように、バネ(65)の付勢力によっ
て、進退筒(60)が筒部(25)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。
In this structure, when the bellows tube (2) is not connected, the advancing / retreating tube (60) is pushed deeply into the tube portion (25) by the urging force of the spring (65) as shown in FIG. In this state, the retainers (6) and (6) have their outer circumferences pushed by the inner surface of the tapered cylinder (62) and are in a state of being close to each other.

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、第11図に示すよ
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。
Next, when the advancing / retreating cylinder (60) is moved in the direction of pulling out from the tubular portion (25) against the urging force of the spring (65), as shown in FIG. ) Is not located on the outer peripheral portions of the retainers (6) and (6), and thus the retainers (6) and (6) are separated from each other by the urging force of the annular spring (47).

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(2
5)の基端部方向に押し込むと、第12図に示すように、
進退筒(60)の先端部に配設したテーパー筒(62)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。
In this state, the tip of the bellows tube (2) is inserted into the tubular part (25) through the advancing / retreating tube (60) to move the advancing / retreating tube (60) into the tubular part (2).
When pushed in the direction of the proximal end of 5), as shown in Fig. 12,
The retainer (6), (6) is contracted in diameter by the taper tube (62) provided at the tip of the advancing / retreating tube (60) and externally fitted and coupled to the outer periphery of the bellows tube (2), whereby the bellows tube. The connection work of (2) is completed.

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(22)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-mentioned embodiments, a pipe such as another bellows pipe may be connected to the joint body (22) on the side opposite to the side where the bellows pipe (2) is connected. Alternatively, the gas pipe connecting cylinder that protrudes in a desired manner may form the joint body (22). When the gas pipe connecting cylinder is directly used as the joint body (22), the gas cock pipe installation work can be easily performed.

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

第1図は第1実施例の断面図,第2図はリテーナ
(6),(6)の組立て説明図、第3図は第1実施例の
作用説明図,第4図は第1実施例配管端末構造に防水構
造を施した場合を示す変形説明図,第5図〜第9図は第
2実施例の説明図,第10図〜第12図は第3実施例の説明
図,第13図は従来例の説明図,第14図はその変形例の説
明図であり、図中、 (2)……蛇腹管 (6)……リテーナ (23)……操作筒 (25)……筒部
FIG. 1 is a sectional view of the first embodiment, FIG. 2 is an assembly explanatory view of retainers (6) and (6), FIG. 3 is an operation explanatory view of the first embodiment, and FIG. 4 is a first embodiment. A modified explanatory view showing a case where a waterproof structure is applied to a pipe terminal structure, FIGS. 5 to 9 are explanatory views of a second embodiment, and FIGS. 10 to 12 are explanatory views of a third embodiment and a thirteenth embodiment. The figure is an explanatory view of a conventional example, and Fig. 14 is an explanatory view of a modified example thereof. In the figure, (2) ...... bellows tube (6) ...... retainer (23) ...... operation tube (25) ...... tube Department

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】継手主体(22)の筒部(25)の先端部に装
着され且つ該筒部(25)の先端部とその反対の基端部の
方向への移動が可能となった操作筒(23)と、 該操作筒(23)内又は上記筒部(25)内に装填され且つ
これら操作筒(23)又は筒部(25)の内周に沿って配列
されたリテーナ(6),(6)と、 該リテーナ(6),(6)を前記操作筒(23)側と筒部
(25)側から挟む態様で対向する一対の挟圧手段を設
け、 少なくとも一方の挟圧手段に於ける上記リテーナ
(6),(6)側の対向面を該リテーナ(6),(6)
に向けて直径拡大するテーパー面とし、 リテーナ(6),(6)の内面形状を締付対象たる蛇腹
管(2)の外周面形状に適合する波形としたものであっ
て、 上記操作筒(23)を筒部(25)の基端部側に所定量だけ
移動させたときには、操作筒(23)がこの状態に保持さ
れるようになった配管端末接続構造に於いて、 リテーナ(6),(6)を相互に連結するバネを設けて
これらリテーナ(6),(6)を相互離反方向に付勢す
ると共に、これら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を蛇腹管
(2)の外径より大きく設定した配管端末接続構造。
1. An operation which is mounted on the tip of a tubular part (25) of a joint main body (22) and is movable in the direction of the tip of the tubular part (25) and the base end opposite thereto. A cylinder (23) and a retainer (6) loaded in the operation cylinder (23) or the cylinder section (25) and arranged along the inner circumference of the operation cylinder (23) or the cylinder section (25). , (6), and a pair of clamping means that face each other in such a manner as to sandwich the retainers (6), (6) from the operation cylinder (23) side and the cylinder part (25) side, and at least one clamping means. The retainer (6), (6) side facing surface in the retainer (6), (6)
A tapered surface whose diameter increases toward the inner surface of the retainer (6), (6) having a corrugated shape adapted to the outer peripheral surface of the bellows tube (2) to be tightened. In the pipe terminal connection structure in which the operation tube (23) is maintained in this state when the tube (23) is moved to the base end side of the tube (25) by a predetermined amount, the retainer (6) , (6) are connected to each other by providing a spring to urge the retainers (6), (6) in a mutually separating direction, and the retainer (6) in the separated state,
A pipe terminal connection structure in which the inner diameter of the closed surface formed by connecting the inner surfaces of (6) is set larger than the outer diameter of the bellows tube (2).
JP1990010059U 1990-02-02 1990-02-02 Piping terminal connection structure Expired - Lifetime JPH0735189Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990010059U JPH0735189Y2 (en) 1990-02-02 1990-02-02 Piping terminal connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990010059U JPH0735189Y2 (en) 1990-02-02 1990-02-02 Piping terminal connection structure

Publications (2)

Publication Number Publication Date
JPH03100691U JPH03100691U (en) 1991-10-21
JPH0735189Y2 true JPH0735189Y2 (en) 1995-08-09

Family

ID=31513656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990010059U Expired - Lifetime JPH0735189Y2 (en) 1990-02-02 1990-02-02 Piping terminal connection structure

Country Status (1)

Country Link
JP (1) JPH0735189Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3361861B2 (en) * 1993-10-29 2003-01-07 東京瓦斯株式会社 Connecting device for bellows tube

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3069785U (en) * 1999-12-20 2000-06-30 有限会社 うつわ屋 Potted decorative post

Also Published As

Publication number Publication date
JPH03100691U (en) 1991-10-21

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