JPH0731034Y2 - Flexible tube fittings - Google Patents

Flexible tube fittings

Info

Publication number
JPH0731034Y2
JPH0731034Y2 JP1989141283U JP14128389U JPH0731034Y2 JP H0731034 Y2 JPH0731034 Y2 JP H0731034Y2 JP 1989141283 U JP1989141283 U JP 1989141283U JP 14128389 U JP14128389 U JP 14128389U JP H0731034 Y2 JPH0731034 Y2 JP H0731034Y2
Authority
JP
Japan
Prior art keywords
flexible tube
diameter
split
tube
ring
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
JP1989141283U
Other languages
Japanese (ja)
Other versions
JPH0380188U (en
Inventor
茂光 米元
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 JP1989141283U priority Critical patent/JPH0731034Y2/en
Publication of JPH0380188U publication Critical patent/JPH0380188U/ja
Application granted granted Critical
Publication of JPH0731034Y2 publication Critical patent/JPH0731034Y2/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】 [利用分野及び考案の概要] 本考案は、ガスコック等の被接続主体を可撓管からなる
配管端末に接続する際の継手に関するものであり、特に
継手の締付け用の筒体に係合機構を採用することによ
り、この継手と可撓管の端末との接続作業を簡便にする
ものである。
[Detailed Description of the Invention] [Field of Use and Outline of the Invention] The present invention relates to a joint for connecting a connected main body such as a gas cock to a pipe terminal made of a flexible pipe, and particularly for tightening the joint. By adopting the engagement mechanism in the tubular body, the connection work between the joint and the end of the flexible tube is simplified.

[従来技術及びその問題点] 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、この壁面の構造を略化するた
め、石膏ボードが数多く利用されている。
[Prior Art and Problems Thereof] In kitchens and 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、蛇腹管、すなわち、屈曲可能な可撓管をガス管
として採用している。この可撓管は管壁を一定間隔で拡
大させて管壁の軸線方向の断面を波形にするとともに、
前記山部(2a)(2a)の外径を一定に設定したものであ
る。この場合、可撓管それ自体に剛性がないことから、
ガスコックを石膏ボードに固定して、これに可撓管を接
続する構成を採用する。
It is difficult to adopt a conventional steel pipe for such a wall surface, and recently, a bellows pipe, that is, a bendable flexible pipe is adopted as a gas pipe. This flexible tube expands the tube wall at regular intervals to make the axial section of the tube wall corrugated,
The outer diameters of the peaks (2a) (2a) are set to be constant. In this case, since the flexible tube itself has no rigidity,
The gas cock is fixed to the gypsum board and the flexible tube is connected to it.

このような構成としては、具体的には第9図のようなも
のが知られている。
As such a configuration, specifically, a configuration as shown in FIG. 9 is known.

この従来のものは、同図に示すように、被接続主体
(1)としてのガスコック本体のガス入口(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)を介して可撓管
(2)を接続している。
As shown in the same figure, this conventional one is attached to the back surface of the wall plate (30) and the flange (12) which is extended from the gas inlet (11) of the gas cock body as the main body (1) to be connected. The gas cock body is fixed to the wall board (30) by screwing the backing plate (40) with the bolts (5) (5), and the flexible tube (2) is fixed to the gas cock body via the joint (20). Are connected.

前記継手(20)は、筒状の主体部(22),ナット(2
3),一対のリテーナ(S)(S)及び弾性パッキン
(P)とからなり、前記リテーナ(S)(S)の軸線方
向の断面は可撓管(2)の管壁の軸線方向の断面に一致
させ、このリテーナ(S)(S)を対向状態で可撓管
(2)に外嵌させ、これらを主体部(22)の筒部(25)
にパッキン(P)とともに内挿するようにして用いる。
The joint (20) includes a tubular main body (22) and a nut (2).
3), consisting of a pair of retainers (S) (S) and elastic packing (P), wherein the cross section of the retainer (S) (S) in the axial direction is the cross section of the pipe wall of the flexible tube (2) in the axial direction. And the retainer (S) (S) is externally fitted to the flexible tube (2) so as to face each other, and these are fitted to the tubular portion (25) of the main body portion (22).
It is used by inserting it together with the packing (P).

この従来のものでは、壁板(30)の開口部(30a)の周
縁部が広い範囲にわたってフランジ(12)と当て板(4
0)によって挟持されるから、ガスコック本体が確実に
壁板(30)に固定され、さらに、継手(20)によって、
固定状態にあるガスコック本体と可撓管(2)とが接続
されることとなる。ところが、この従来のものでは、可
撓管(2)と継手(20)との接続が面倒であるという問
題があった。
In this conventional type, the peripheral edge of the opening (30a) of the wall plate (30) covers a wide range over the flange (12) and the backing plate (4).
The gas cock body is securely fixed to the wall plate (30) because it is sandwiched by (0), and further, by the joint (20),
The gas cock body in the fixed state and the flexible tube (2) are connected. However, this conventional device has a problem that the connection between the flexible tube (2) and the joint (20) is troublesome.

すなわち、上記従来のものでは、可撓管(2)に継手
(20)を取付けようとすると、リテーナ(S)(S)や
パッキン(P)を予めセットした状態で主体部(22)と
ナット(23)を螺合しなければならないからである。壁
板(30)から可撓管(2)を引き出した状態でこの作業
を行うガスコック取付の作業では、前記作業が特に面倒
となるとともに、リテーナ(S)(S)を壁板(30)内
に紛失した場合には、継手(20)を接続できなくなると
いう事態が生じる。
That is, in the above-mentioned conventional one, when the joint (20) is attached to the flexible tube (2), the retainer (S) (S) and the packing (P) are set in advance and the main body portion (22) and the nut are attached. This is because (23) must be screwed together. In the work of mounting the gas cock, in which the flexible tube (2) is pulled out from the wall plate (30), the work is particularly troublesome, and the retainer (S) (S) is placed inside the wall plate (30). If it is lost, the joint (20) cannot be connected.

[技術的課題] 本考案は、このような、『管壁に形成した山部(2a)
(2a)が一定間隔で軸線方向に一様に連続した可撓管
(2)の端末を筒部(25)に接続するようにした可撓管
用継手』において、可撓管(2)の接続の作業性を向上
させるため、可撓管接続部に可撓管(2)の端部をその
まま挿入して可撓管(2)が前記筒部に抜止め状態に接
続できるようにすることをその技術的課題とする。
[Technical problem] The present invention is directed to such a "mountain portion (2a) formed on the pipe wall".
(2a) is a joint for a flexible tube (2), in which the ends of the flexible tube (2) which are uniformly continuous in the axial direction are connected to the tubular portion (25), the connection of the flexible tube (2) In order to improve the workability of the flexible tube (2), the end of the flexible tube (2) is directly inserted into the flexible tube connecting portion so that the flexible tube (2) can be connected to the tubular portion in a retaining state. This is a technical issue.

[技術的手段] 上記技術的課題を解決するために講じた本考案の技術的
手段は『筒部(25)の開放端から一定範囲に亙って雌ネ
ジ部(21)を形成し、その奥に前記雌ネジ部(21)より
小径の中間径部(24)及びこれに続く小径部(26)を設
け、この小径部(26)の奥に、可撓管(2)より小径の
流路孔部(28)を設け、前記中間径部(24)と小径部
(26)との間を奥方向に直径が縮小するテーパ部(27)
とし、前記雌ネジ部(21)に可撓管(2)を遊嵌貫通さ
せる透孔(41)を具備させた筒ネジ(4)を螺合させ、
この筒ネジ(4)の先端を奥方向に拡大するテーパ部
(42)とし、このテーパ部(42)と前記テーパ部(27)
との間に断面円形の線材からなる割リング(3)を介在
させ、この割リング(3)の内径を可撓管(2)に丁度
外嵌する大きさとし、筒ネジ(4)を最終位置にねじ込
んだ状態で前記割リング(3)が可撓管(2)の山部
(2a)(2a)間の環状の谷部内に圧入されるように、前
記テーパ部(27)の位置を設定し、テーパ部(27)とテ
ーパ部(42)との間に一対の割リング(3)(3)を介
在させると共に、この割リング(3)(3)間に補助リ
ング(31)を介在させ、この補助リング(31)の断面形
状を内周側の幅が外周側のそれよりも小さな逆台形状と
した』ことである。
[Technical Means] The technical means of the present invention taken to solve the above technical problem is "a female screw portion (21) is formed over a certain range from the open end of the tubular portion (25), An intermediate diameter portion (24) having a diameter smaller than that of the female screw portion (21) and a small diameter portion (26) following the intermediate diameter portion (21) are provided in the inner portion, and a flow having a diameter smaller than that of the flexible tube (2) is provided in the inner portion of the small diameter portion (26). A taper portion (27) provided with a passage hole portion (28) and having a diameter reduced in the depth direction between the intermediate diameter portion (24) and the small diameter portion (26).
And a cylindrical screw (4) having a through hole (41) through which the flexible tube (2) is loosely fitted and penetrated, is screwed into the female screw portion (21),
The tip of the cylindrical screw (4) is formed as a taper portion (42) that expands in the depth direction, and the taper portion (42) and the taper portion (27) are provided.
A split ring (3) made of a wire having a circular cross section is interposed between the split ring (3) and the inner ring of the split ring (3) so that the split tube (3) can be fitted onto the flexible tube (2) exactly, and the tubular screw (4) is placed at the final position. The position of the tapered portion (27) is set so that the split ring (3) is screwed into the annular trough between the crests (2a) and (2a) of the flexible tube (2). The pair of split rings (3) and (3) are interposed between the tapered portion (27) and the tapered portion (42), and the auxiliary ring (31) is interposed between the split rings (3) and (3). Then, the cross-sectional shape of the auxiliary ring (31) has an inverted trapezoidal shape in which the width on the inner peripheral side is smaller than that on the outer peripheral side. "

[作用] 本考案の上記技術的手段は次のように作用する。[Operation] The technical means of the present invention operates as follows.

可撓管(2)を筒部(25)に接続しない状態では、この
筒部(25)内には、割リング(3)(3)、補助リング
(31)及び筒ネジ(4)が収容された状態にあり、前記
筒ネジ(4)はねじ込み状態にない。従って、この割リ
ング(3)(3)は自由状態となっていてその内径は可
撓管(2)を丁度嵌入できる大きさとなっている。
When the flexible tube (2) is not connected to the tubular portion (25), the split ring (3) (3), the auxiliary ring (31) and the tubular screw (4) are housed in the tubular portion (25). And the cylindrical screw (4) is not screwed in. Therefore, the split rings (3) and (3) are in a free state, and the inner diameter thereof is large enough to fit the flexible tube (2) therein.

可撓管(2)の接続に際しては、透孔(41)から可撓管
(2)の端部を挿入した後で、筒ネジ(4)を最終位置
にねじ込む。
When connecting the flexible tube (2), after inserting the end of the flexible tube (2) through the through hole (41), the cylindrical screw (4) is screwed into the final position.

可撓管(2)を奥まで挿入すると、流路孔部(28)の直
径が可撓管(2)のそれよりも小さいことから、その先
端は流路孔部(28)の形成部の端面に対接する。テーパ
部(27)の配設位置は予め所定の位置に設定されている
ことから、この時には、挿入された可撓管(2)の山部
(2a)(2a)の間の外周域に位置し、テーパ部(27)と
テーパ部(42)の間に介在する。
When the flexible tube (2) is inserted all the way, since the diameter of the flow path hole (28) is smaller than that of the flexible tube (2), the tip of the flow path hole (28) is in the formation part of the flow path hole (28). Touch the end face. Since the disposition position of the taper part (27) is set to a predetermined position in advance, at this time, it is located in the outer peripheral area between the peak parts (2a) (2a) of the inserted flexible tube (2). However, it is interposed between the tapered portion (27) and the tapered portion (42).

この状態から筒ネジ(4)をねじ込むと割リング(3)
(3)及び補助リング(31)が押込まれ、対向するテー
パ面間に挟持されて、楔作用によってこれら割リング
(3)(3)の直径が縮小され、これら割リング(3)
(3)が山部(2a)(2a)の間の環状の谷部に圧入され
ることとなる。
If the tube screw (4) is screwed in from this state, the split ring (3)
The split ring (3) and the auxiliary ring (31) are pushed and sandwiched between the opposing tapered surfaces, and the diameters of the split rings (3) and (3) are reduced by the wedge action.
(3) will be pressed into the annular valley between the peaks (2a) and (2a).

このとき、割リング(3)(3)の外周側がテーパ部
(27)とテーパ部(42)によって挟持され、且、内周側
が小径部(26)に係合されて可撓管(2)が抜止め状態
に保持され、接続が完了する。
At this time, the outer peripheral side of the split rings (3) and (3) is sandwiched by the taper portion (27) and the taper portion (42), and the inner peripheral side is engaged with the small diameter portion (26) so that the flexible tube (2). Is held in the retaining state and the connection is completed.

この状態から可撓管(2)を取外すには、筒ネジ(4)
を緩めて割リング(3)(3)を自由状態とする。割リ
ング(3)が弾性材料によって構成されているときに
は、この状態で内径が可撓管(2)の外形よりも大きく
なって、可撓管(2)と割リング(3)の係合が解かれ
て可撓管(2)が引き抜けることとなる。又、割リング
(3)が非弾性材料からなる場合には、筒ネジ(4)を
緩めた状態で可撓管(2)を強制的に引き抜く。割リン
グ(3)の外周域には、これの拡大を阻止する部材がな
いことから、割リング(3)の直径を拡大させながら可
撓管(2)の引き抜きが可能となる。
To remove the flexible tube (2) from this state, use the tube screw (4)
Loosen to make the split rings (3) and (3) free. When the split ring (3) is made of an elastic material, the inner diameter becomes larger than the outer shape of the flexible tube (2) in this state, so that the flexible tube (2) and the split ring (3) are engaged with each other. The flexible tube (2) is pulled out and pulled out. When the split ring (3) is made of an inelastic material, the flexible tube (2) is forcibly pulled out with the tubular screw (4) loosened. Since there is no member for preventing the expansion of the split ring (3) in the outer peripheral region, the flexible tube (2) can be pulled out while the diameter of the split ring (3) is increased.

[効果] 本考案は上記構成であるから次の特有の効果を有する。[Effects] The present invention having the above-described configuration has the following unique effects.

可撓管(2)をそのまま透孔(41)内に挿入して筒ネジ
(4)をねじ込むだけで可撓管(2)と筒部(25)とが
抜止め状態に連結されるから、可撓管(2)の接続作業
が簡単になる。
Since the flexible tube (2) and the tubular portion (25) are connected to each other only by inserting the flexible tube (2) into the through hole (41) and screwing the tubular screw (4), Connection work of the flexible tube (2) is simplified.

また、従来例のリテーナ(S)と同様の機能を有する割
リング(3)が筒部(25)内に保持されるから、これら
を紛失する不都合も生じない。
Further, since the split ring (3) having the same function as the retainer (S) of the conventional example is held in the tubular portion (25), there is no inconvenience of losing them.

可撓管(2)が二つの割リング(3)(3)によって係
合保持されるから、可撓管(2)の係合保持強度が大き
いものとなる。
Since the flexible tube (2) is engaged and held by the two split rings (3) and (3), the engaging and holding strength of the flexible tube (2) is large.

[実施例] 以下、本考案の実施例を第1図から第8図に基いて説明
する。
[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 8.

◎第1実施例 第1図〜第4図に示す第1実施例は、従来例と同様に、
本考案をガスコック本体のガス入口部(11)に実施した
ものであり、第1図及び第4図に示すように、このガス
入口部(11)がそのまま流路孔部(28)となる。
◎ First Example A first example shown in FIGS. 1 to 4 is similar to the conventional example.
The present invention is applied to the gas inlet portion (11) of the gas cock body, and as shown in FIGS. 1 and 4, this gas inlet portion (11) becomes the flow passage hole portion (28) as it is.

このガス入口部(11)の上流側には、小径部(26),中
間径部(24),雌ネジ部(21)が筒部(25)の開放端側
に向って前記、順序で配設され、テーパ部(27)と筒ネ
ジ(4)のテーパ部(42)との間には二つの割リング
(3)(3)が介在されている。
The small diameter portion (26), the intermediate diameter portion (24), and the female screw portion (21) are arranged in the above order in the upstream side of the gas inlet portion (11) toward the open end side of the tubular portion (25). Two split rings (3) and (3) are provided between the tapered portion (27) and the tapered portion (42) of the cylindrical screw (4).

これら二つの割リング(3)(3)を同時に可撓管
(2)側に締付けられるようにするため、この実施例で
は、この割リング(3)(3)間に補助リング(31)を
介在させている。この補助リング(31)の断面は、内周
側の軸線方向の幅が外周側のそれよりも小さくなった逆
台形状の断面となっており、両端がテーパ部となってい
る。
In order to enable these two split rings (3) (3) to be simultaneously tightened to the flexible tube (2) side, in this embodiment, an auxiliary ring (31) is provided between the split rings (3) (3). Intervenes. The cross section of the auxiliary ring (31) is an inverted trapezoidal cross section in which the width in the axial direction on the inner peripheral side is smaller than that on the outer peripheral side, and both ends are tapered portions.

さらに、テーパ部(27)の奥に続く小径部(26)は、テ
ーパ部(27)と同じ方向に向き且これよりも緩やかなテ
ーパとなっており、この小径部(26)には外周がテーパ
面となり且内周側が平行孔部となった金属パッキン(3
2)が嵌入されており、この金属パッキン(32)の内径
が可撓管(2)に丁度外嵌する大きさに設定されてい
る。
Further, the small-diameter portion (26) following the tapered portion (27) is tapered in the same direction as the tapered portion (27) and is gentler than this, and the outer periphery of the small-diameter portion (26) is small. Metal packing (3 with tapered surface and parallel hole on the inner peripheral side)
2) is fitted therein, and the inner diameter of the metal packing (32) is set to a size that allows it to be fitted onto the flexible tube (2).

前記小径部(26)の奥には、拡大空所(29)が形成され
て、この拡大空所(29)には、可撓管(2)を密に嵌入
させる筒状の弾性パッキン(P)が収容され、このパッ
キン収容部の底壁に流路孔部(28)が開口している。
An enlarged space (29) is formed in the inner part of the small diameter portion (26), and a cylindrical elastic packing (P) into which the flexible tube (2) is tightly fitted is formed in the enlarged space (29). ) Is accommodated, and a flow path hole (28) is opened in the bottom wall of the packing accommodating portion.

この第1実施例では、割リング(3)(3)をバネ鋼等
の弾性材料から構成してあり、筒ネジ(4)を緩めた状
態では、第3図に示すように、割リング(3)(3)の
内容が可撓管(2)の外形よりも僅かに大きくなってい
る。又、小径部(26)に嵌入させた金属パッキン(32)
の内径も極僅かに大きくなっている。
In the first embodiment, the split rings (3) and (3) are made of an elastic material such as spring steel, and when the tubular screw (4) is loosened, as shown in FIG. 3) The content of (3) is slightly larger than the outer shape of the flexible tube (2). Also, the metal packing (32) fitted in the small diameter portion (26).
The inner diameter of is also slightly larger.

従って、可撓管(2)をその先端部が拡大空所(29)の
底壁に対接する位置にまで挿入すると、その先端部近傍
が弾性パッキン(P)内に圧入された状態となる。そし
て、この状態で筒ネジ(4)をねじ込むと既述のような
作用で可撓管(2)が抜け止め状態に、筒部(25)に保
持される。
Therefore, when the flexible tube (2) is inserted up to the position where its tip end is in contact with the bottom wall of the enlarged space (29), the vicinity of the tip end is pressed into the elastic packing (P). Then, when the tubular screw (4) is screwed in in this state, the flexible tube (2) is retained in the tubular portion (25) in the retaining state by the action as described above.

尚、筒ネジ(4)を緩めた状態における割リング(3)
(3)の位置及び補助リング(31)の位置、さらには、
金属パッキン(32)のテーパ部(27)側の端面の位置
は、所定の位置に設定され、一方のテーパ部(42)に対
接する割リング(3)は、可撓管(2)の山部(2a)の
頂部の外周側に位置し、他方のテーパ部(27)に対接す
る割リング(3)は山部(2a)(2a)の間の谷部の外周
域に位置する。
The split ring (3) with the cylinder screw (4) loosened
The position of (3) and the position of the auxiliary ring (31),
The position of the end surface of the metal packing (32) on the side of the tapered portion (27) is set to a predetermined position, and the split ring (3) in contact with one tapered portion (42) is a mountain of the flexible tube (2). The split ring (3) located on the outer peripheral side of the top of the part (2a) and facing the other tapered part (27) is located in the outer peripheral region of the valley between the peaks (2a) and (2a).

この状態から筒ネジ(4)をねじ込むと割リング(3)
(3)及び補助リング(31)が押込まれ、対向するテー
パ面間に挟持されて、楔作用によってこれら割リング
(3)(3)の直径が縮小される。特に、テーパ部(4
2)に対接する割リング(3)については、軸線方向に
奥に推移されながら直径が縮小することとなる。テーパ
部(27)に対接する割リング(3)は、直径縮小の間に
金属パッキン(32)の端面に対接して、これによってこ
の金属パッキン(32)が軸線方向に押込まれることとな
り、テーパ面となっている小径部(26)とのテーパ嵌合
作用により、この金属パッキン(32)の直径が縮小さ
れ、第2図のようになる。
If the tube screw (4) is screwed in from this state, the split ring (3)
The split ring (3) and the auxiliary ring (31) are pushed in and sandwiched between the opposing tapered surfaces, and the diameters of the split rings (3) and (3) are reduced by the wedge action. In particular, taper part (4
As for the split ring (3) that is in contact with 2), the diameter of the split ring (3) shrinks while moving inward in the axial direction. The split ring (3) that is in contact with the tapered portion (27) is in contact with the end surface of the metal packing (32) during the diameter reduction, and this causes the metal packing (32) to be pushed in the axial direction, The diameter of the metal packing (32) is reduced by the taper fitting action with the small diameter portion (26) which is a tapered surface, as shown in FIG.

この実施例では、可撓管(2)が二つの割リング(3)
(3)によって係合保持されるとともに、金属パッキン
(32)の直径縮小によって可撓管(2)の外周が金属シ
ールされる。また、可撓管(2)の先端側は弾性パッキ
ン(P)によっても外周気密状態に保持されることとな
る。
In this embodiment, the flexible tube (2) has two split rings (3).
The flexible tube (2) is engaged and held by (3) and the outer circumference of the flexible tube (2) is metal-sealed by reducing the diameter of the metal packing (32). Further, the distal end side of the flexible tube (2) is also kept airtight on the outer periphery by the elastic packing (P).

◎第2実施例 第5図及び第6図に示す第2実施例は、一対の補助リン
グ(31)(31)の間に金属パッキン(32)を介在させ、
筒ネジ(4)のねじ込みによる前記補助リング(31)
(31)の対向接近によって金属パッキン(32)の直径を
縮小させるようにしたものである。
◎ Second Embodiment In a second embodiment shown in FIGS. 5 and 6, a metal packing (32) is interposed between a pair of auxiliary rings (31) (31),
The auxiliary ring (31) by screwing the tube screw (4)
The diameter of the metal packing (32) is reduced by the opposing approach of (31).

このために、一対の補助リング(31)(31)間に介在さ
れる金属パッキン(32)は逆台形状の断面形状となって
おり、割リング(3)(3)に対しては、一対の補助リ
ング(31)(31)と前記金属パッキン(32)の組合せが
上記第1実施例における補助リング(31)として機能す
ることとなる。
For this reason, the metal packing (32) interposed between the pair of auxiliary rings (31) (31) has an inverted trapezoidal cross-sectional shape, and the pair of auxiliary rings (31) (31) has a pair of auxiliary rings (31) (31). The combination of the auxiliary rings (31) and (31) and the metal packing (32) functions as the auxiliary ring (31) in the first embodiment.

このものでは、筒ネジ(4)を緩めた状態では第6図の
ような状態となっており、筒ネジ(4)をねじ込むと、
これによって割リング(3)(3)が軸線方向に僅かに
移動せしめられながら割リング(3)(3)が可撓管
(2)の谷部に圧入されることとなる。そして、最終的
には、第5図の状態となり、補助リング(31)(31)の
相互接近により金属パッキン(32)が縮小せしめられ
て、内周面が(2a)の頂部に圧接されることとなる。
In this case, the state where the cylinder screw (4) is loosened is as shown in FIG. 6, and when the cylinder screw (4) is screwed in,
As a result, the split rings (3) and (3) are slightly moved in the axial direction, and the split rings (3) and (3) are pressed into the troughs of the flexible tube (2). Finally, the state shown in FIG. 5 is reached, and the metal packing (32) is contracted by the mutual proximity of the auxiliary rings (31) and (31), and the inner peripheral surface is pressed against the top of (2a). It will be.

尚、筒ネジ(4)のねじ込みによる金属パッキン(32)
の直径縮小力を大きくするためには、この金属パッキン
(32)の両端のテーパを緩く設定すればよい。従って、
この場合には、補助リング(31)(31)の前記金属パッ
キン(32)に対接するテーパ面も同様のテーパとなる。
In addition, the metal packing (32) by screwing the cylinder screw (4)
In order to increase the diameter reduction force, the taper at both ends of the metal packing (32) may be set loosely. Therefore,
In this case, the tapered surfaces of the auxiliary rings (31) and (31) that are in contact with the metal packing (32) also have the same taper.

◎その他 上記何れの実施例でも、筒ネジ(4)を最終位置にねじ
込んだ状態で割リング(3)(3)が丁度可撓管(2)
の谷部に圧入されるようにテーパ部(27)の位置等を設
定したが、これを第7図のように設定して、筒ネジ
(4)を緩めた状態では、割リング(3)(3)が谷部
の中心に略一致するようにし、筒ネジ(4)のねじ込み
による割リング(3)(3)の直径の縮小及び軸線方向
の移動によって第8図のように推移させ、これにより、
可撓管(2)を抜け止め状態に保持させるようにしても
よい。この場合には、可撓管(2)には、軸線方向に押
込む力が作用するものとなり、可撓管(2)の先端が拡
大空所(29)の底壁に圧接されることとなる。
◎ Others In any of the above embodiments, the split ring (3) (3) is just a flexible tube (2) with the tubular screw (4) screwed into the final position.
The position of the taper part (27) was set so that it would be press-fitted into the valley part of the, but this was set as shown in Fig. 7, and when the cylinder screw (4) was loosened, the split ring (3) (3) is made to substantially coincide with the center of the trough, and the diameter of the split rings (3) and (3) is reduced by screwing the cylindrical screw (4), and the split ring (3) and (3) are moved as shown in FIG. This allows
The flexible tube (2) may be held in a retaining state. In this case, a force pushing in the axial direction acts on the flexible tube (2), and the tip of the flexible tube (2) is pressed against the bottom wall of the enlarged space (29). Become.

上記何れの実施例でも、被覆チューブ(H)を具備する
可撓管(2)が使用され、筒部(25)に挿入される部分
の前記被覆チューブは剥離除去されて使用されるが、残
りの被覆チューブ(H)の端部は筒ネジ(4)の透孔
(41)に具備させた環状パッキン(49)に気密状態に嵌
合する。これにより内部への水の侵入等が防止できる。
In any of the above-mentioned embodiments, the flexible tube (2) including the coating tube (H) is used, and the portion of the coating tube to be inserted into the tubular portion (25) is peeled off and used. The end portion of the covering tube (H) is fitted in an airtight state in an annular packing (49) provided in the through hole (41) of the cylindrical screw (4). This can prevent water from entering the inside.

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

第1図は本考案の第1実施例の接続状態の断面図,第2
図はその要部拡大図,第3図は可撓管接続途中の説明
図,第4図はこの実施例の分解図,第5図・第6図は第
2実施例の断面図,第7図及び第8図は他の実施例の断
面図,第9図は従来例の説明図であり、図中、 (2a)…山部、(26)…小径部 (2)…可撓管、(28)…流路孔部 (25)…筒部、(27)…テーパ部 (21)…雌ネジ部、(41)…透孔 (24)…中間径部、(42)…テーパ部 (31)…補助リング
FIG. 1 is a sectional view showing a connection state of the first embodiment of the present invention, and FIG.
FIG. 4 is an enlarged view of the main part, FIG. 3 is an explanatory view during connection of a flexible tube, FIG. 4 is an exploded view of this embodiment, FIGS. 5 and 6 are sectional views of the second embodiment, and FIG. FIGS. 8 and 9 are cross-sectional views of another embodiment, and FIG. 9 is an explanatory view of a conventional example. In the drawings, (2a) ... mountain portion, (26) ... small diameter portion (2) ... flexible tube, (28) ... Flow path hole part (25) ... Cylindrical part, (27) ... Tapered part (21) ... Female screw part, (41) ... Through hole (24) ... Intermediate diameter part, (42) ... Tapered part ( 31)… Auxiliary ring

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】管壁に形成した山部(2a)(2a)が一定間
隔で軸線方向に一様に連続した可撓管(2)の端末を筒
部(25)に接続するようにした可撓管用継手において、
筒部(25)の開放端から一定範囲に亙って雌ネジ部(2
1)を形成し、その奥に前記雌ネジ部(21)より小径の
中間径部(24)及びこれに続く小径部(26)を設け、こ
の小径部(26)の奥に、可撓管(2)より小径の流路孔
部(28)を設け、前記中間径部(24)と小径部(26)と
の間を奥方向に直径が縮小するテーパ部(27)とし、前
記雌ネジ部(21)に可撓管(2)を遊嵌貫通させる透孔
(41)を具備させた筒ネジ(4)を螺合させ、この筒ネ
ジ(4)の先端を奥方向に拡大するテーパ部(42)と
し、このテーパ部(42)と前記テーパ部(27)との間に
断面円形の線材からなる割リング(3)を介在させ、こ
の割リング(3)の内径を可撓管(2)に丁度外嵌する
大きさとし、筒ネジ(4)を最終位置にねじ込んだ状態
で前記割リング(3)が可撓管(2)の山部(2a)(2
a)間の環状の谷部内に圧入されるように、前記テーパ
部(27)の位置を設定し、テーパ部(27)とテーパ部
(42)との間に一対の割リング(3)(3)を介在させ
ると共に、この割リング(3)(3)間に補助リング
(31)を介在させ、この補助リング(31)の断面形状を
内周側の幅が外周側のそれよりも小さな逆台形状とした
可撓管用継手。
1. An end of a flexible tube (2), in which crests (2a) (2a) formed on a tube wall are continuous at a constant interval in the axial direction, is connected to a tube section (25). In flexible pipe joints,
From the open end of the tubular part (25), the female screw part (2
1) is formed, an intermediate diameter portion (24) having a diameter smaller than that of the female screw portion (21) and a small diameter portion (26) subsequent to the intermediate diameter portion (21) are provided, and a flexible tube is provided inside the small diameter portion (26). (2) A passage hole portion (28) having a smaller diameter is provided, and a taper portion (27) is formed between the intermediate diameter portion (24) and the small diameter portion (26) to reduce the diameter in the depth direction. A taper for screwing a cylindrical screw (4) having a through hole (41) through which the flexible tube (2) is loosely fitted and penetrated into the portion (21), and enlarging the tip of the cylindrical screw (4) in the depth direction. The split ring (3) made of a wire having a circular cross section is interposed between the tapered portion (42) and the tapered portion (27), and the inner diameter of the split ring (3) is set to a flexible tube. The split ring (3) is sized so that it can be fitted over (2), and the cylindrical screw (4) is screwed into the final position.
The position of the tapered portion (27) is set so that the tapered portion (27) is press-fitted into the annular valley portion between a), and the pair of split rings (3) ( 3) is interposed and an auxiliary ring (31) is interposed between the split rings (3) and (3), and the width of the auxiliary ring (31) on the inner peripheral side is smaller than that on the outer peripheral side. An inverted trapezoidal joint for flexible tubes.
JP1989141283U 1989-12-05 1989-12-05 Flexible tube fittings Expired - Lifetime JPH0731034Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989141283U JPH0731034Y2 (en) 1989-12-05 1989-12-05 Flexible tube fittings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989141283U JPH0731034Y2 (en) 1989-12-05 1989-12-05 Flexible tube fittings

Publications (2)

Publication Number Publication Date
JPH0380188U JPH0380188U (en) 1991-08-16
JPH0731034Y2 true JPH0731034Y2 (en) 1995-07-19

Family

ID=31688193

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989141283U Expired - Lifetime JPH0731034Y2 (en) 1989-12-05 1989-12-05 Flexible tube fittings

Country Status (1)

Country Link
JP (1) JPH0731034Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180131375A (en) * 2017-05-31 2018-12-10 한온시스템 주식회사 Metal sealing threaded (tube-o) fitting

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0339673Y2 (en) * 1987-11-10 1991-08-21

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180131375A (en) * 2017-05-31 2018-12-10 한온시스템 주식회사 Metal sealing threaded (tube-o) fitting
US11519529B2 (en) 2017-05-31 2022-12-06 Hanon Systems Metal sealing threaded (tube-o) fitting

Also Published As

Publication number Publication date
JPH0380188U (en) 1991-08-16

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