JPH0131839Y2 - - Google Patents
Info
- Publication number
- JPH0131839Y2 JPH0131839Y2 JP13393685U JP13393685U JPH0131839Y2 JP H0131839 Y2 JPH0131839 Y2 JP H0131839Y2 JP 13393685 U JP13393685 U JP 13393685U JP 13393685 U JP13393685 U JP 13393685U JP H0131839 Y2 JPH0131839 Y2 JP H0131839Y2
- Authority
- JP
- Japan
- Prior art keywords
- flexible tube
- tube
- straight pipe
- flexible
- larger diameter
- 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
Links
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 210000002445 nipple Anatomy 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、例えば屋外のガス機器とガス供給管
との接続に使用するフレキシブルチユーブに関す
るものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a flexible tube used, for example, to connect outdoor gas equipment and a gas supply pipe.
（従来の技術）
従来、前記フレキシブルチユーブの一態様とし
て、第２図に示すものが提案されている。(Prior Art) Conventionally, as one aspect of the flexible tube, one shown in FIG. 2 has been proposed.
図中、１はステンレスあるいは樹脂コーテイン
グを施した金属からなるたわみ管で、このたわみ
管１はベローズ部２と、該ベローズ部２の両端部
に形成した直管部３と、下記するフレア部４とか
ら構成されている。 In the figure, 1 is a flexible tube made of stainless steel or resin-coated metal, and this flexible tube 1 has a bellows portion 2, a straight tube portion 3 formed at both ends of the bellows portion 2, and a flared portion 4 as described below. It is composed of.
また、たわみ管１の外周にはプラスチツク製の
外装チユーブ５ａが取り付けてあり、その両端部
は、前記直管部３の基端寄り外周に嵌着したプラ
スチツク製のベースリング８と、該ベースリング
８の外側に配置したプレスリング９との間に位置
させ、プレスリング９を挟圧することによりベー
スリング８にチユーブ端部６を固定してある。 Furthermore, a plastic exterior tube 5a is attached to the outer periphery of the flexible tube 1, and its both ends are connected to a plastic base ring 8 fitted to the outer periphery of the straight tube portion 3 near the proximal end, and The tube end 6 is fixed to the base ring 8 by pressing the press ring 9 between the base ring 8 and a press ring 9 disposed outside of the base ring 8 .
このようにして、雨水等がたわみ管１の外周部
に侵入するのを防止している。 In this way, rainwater and the like are prevented from entering the outer periphery of the flexible pipe 1.
さらに、７は袋ナツトで、この袋ナツト７は前
記直管部３よりも大径の挿通部７ａと該挿通部７
ａよりもさらに大径のねじ部７ｂとの間にテーパ
部７ｃを形成したもので、前記直管部３の先端寄
り外周に前記挿通部７ａを遊嵌し、直管部３の端
部を前記テーパ部７ｃと同一形状に拡管してフレ
ア部４を形成することによつて取り付けられてい
る。 Furthermore, 7 is a cap nut, and this cap nut 7 has an insertion portion 7a having a larger diameter than the straight pipe portion 3 and the insertion portion 7.
A tapered part 7c is formed between the threaded part 7b having a larger diameter than that of the straight pipe part 3, and the insertion part 7a is loosely fitted to the outer periphery of the straight pipe part 3 near the tip. It is attached by expanding the tube into the same shape as the tapered portion 7c to form the flared portion 4.
（考案が解決しようとする問題点）
しかしながら、このものでは、たわみ管１と外
装チユーブ５ａとの間に雨水が侵入するのを防止
するためには、直管部３、外装チユーブ端部６、
ベースリング８、およびプレスリング９は互いに
密着状態でなければならないが、これら部品の精
度あるいはプレス加工上、完全に密着状態とする
ことは非常に困難である。(Problems to be Solved by the Invention) However, in this device, in order to prevent rainwater from entering between the flexible tube 1 and the exterior tube 5a, the straight pipe portion 3, the exterior tube end 6,
Although the base ring 8 and the press ring 9 must be in close contact with each other, it is extremely difficult to achieve complete contact with each other due to the accuracy of these parts or the pressing process.
また、ベースリング８、プレスリング９を必要
として部品点数が多く、かつ、精度を要求される
ため高価であるばかりでなく、組み立てが面倒
で、生産性に劣るという問題点を有していた。 Furthermore, since the base ring 8 and the press ring 9 are required, the number of parts is large, and precision is required, which not only makes it expensive, but also causes problems in that assembly is troublesome and productivity is poor.
（問題点を解決するための手段）
本考案は前記問題点を解決するためになされた
もので、フレキシブルチユーブを、
両端に直管部を有するたわみ管と、
該たわみ管に外装し、その両端部を加熱収縮
させて直管部に密着させた収縮チユーブと、
前記直管部よりも大径の挿通部と該挿通部よ
りもさらに大径のねじ部との間にテーパ部を有
し、前記直管部の外周先端寄りに前記挿通部を
遊嵌し、直管部先端部を前記テーパ部と同一形
状に拡管して形成したフレア部にて取り付けら
れた袋ナツトと、
から構成したものである。(Means for Solving the Problems) The present invention has been made to solve the above-mentioned problems, and includes a flexible tube, a flexible tube having a straight pipe section at both ends, and a flexible tube that is sheathed on the flexible tube, and the flexible tube is sheathed on both ends of the flexible tube. a shrinkable tube that is heated and shrunk to fit tightly into the straight pipe part; a tapered part is provided between an insertion part having a larger diameter than the straight pipe part and a threaded part having a larger diameter than the insertion part; a cap nut, in which the insertion part is loosely fitted near the outer circumferential tip of the straight pipe part, and the cap nut is attached at a flared part formed by expanding the straight pipe part to the same shape as the tapered part; It is.
実施例
以下、本考案を一実施例である図面に基づいて
説明する。Embodiment Hereinafter, the present invention will be explained based on drawings which are one embodiment.
第１図は本考案のフレキシブルチユーブを示
し、このフレキシブルチユーブは、第２図に示す
従来のフレキシブルチユーブのように、ベースリ
ング８、プレスリング９を用いることなく、たわ
み管１を被覆する外装チユーブ５として波形のゴ
ム製熱収縮性チユーブ（例えば、西日本電線(株)、
商品名：ニシチユーブ）を使用し、該外装チユー
ブ５をたわみ管１に外装するとともに、その直管
部３の基端寄りに位置する部分を加熱することに
よつて収縮して直管部３に密着させ、袋ナツト７
を取り付けたものである。 FIG. 1 shows a flexible tube of the present invention, and this flexible tube is an exterior tube that covers a flexible tube 1 without using a base ring 8 or a press ring 9, unlike the conventional flexible tube shown in FIG. 5 is a corrugated rubber heat-shrinkable tube (for example, Nishinippon Electric Cable Co., Ltd.,
Using Nishitube (trade name), the sheathing tube 5 is sheathed onto the flexible tube 1, and the part located near the proximal end of the straight tube portion 3 is heated to shrink and become the straight tube portion 3. Close contact, bag nut 7
is attached.
なお、その他の構成は、第２図のものと同一の
ため、同一部分に同一符号を付して説明を省略す
る。 The rest of the configuration is the same as that shown in FIG. 2, so the same parts are given the same reference numerals and the explanation will be omitted.
そして、前記構成からなるフレキシブルチユー
ブは、従来同様、両端の袋ナツト７のねじ部７ｂ
を図示しないニツプル等に螺合し、フレア部４を
テーパ部７ｃとニツプル端面とで挟着することに
より、ニツプルを介してフレキシブルチユーブと
ガス機器およびガス供給管を接続し、ガスを漏れ
ることなくガス機器に供給する。 The flexible tube having the above-mentioned structure has the threaded portions 7b of the cap nuts 7 at both ends, as in the conventional case.
By screwing into a nipple (not shown) and sandwiching the flare part 4 between the tapered part 7c and the end face of the nipple, the flexible tube can be connected to gas equipment and the gas supply pipe via the nipple, without leaking gas. Supply gas equipment.
なお、ガス機器とガス供給管との間に相対的な
変位が生じても、この変位はベローズ部２に吸収
されることによつて、ガス機器またはガス供給管
に余分な力がかからず、ガス漏れ事故の発生がな
い。 Furthermore, even if a relative displacement occurs between the gas equipment and the gas supply pipe, this displacement is absorbed by the bellows part 2, so that no extra force is applied to the gas equipment or the gas supply pipe. , there are no gas leak accidents.
前記説明では、外装チユーブ５にゴム製のもの
を使用するものとしたが、これに限らず、熱収縮
性のものであれば、例えばエチレン、プロピレン
等合成樹脂製のものでもよい。 In the above description, the outer tube 5 is made of rubber, but is not limited to this, and may be made of synthetic resin such as ethylene or propylene as long as it is heat-shrinkable.
（考案の効果）
以上の説明で明らかなように、本考案にかかる
フレキシブルチユーブは、たわみ管を被覆する外
装チユーブを熱収縮性のものとし、その端部を加
熱することにとつて、たわみ管端部に形成した直
管部に密着して完全に雨水等の侵入を防止し、た
わみ管の腐食および脆弱化を防止するようにして
ある。(Effects of the invention) As is clear from the above explanation, the flexible tube according to the invention has a heat-shrinkable outer tube that covers the flexible tube, and heats the end of the flexible tube. It is in close contact with the straight pipe formed at the end to completely prevent rainwater from entering and prevent corrosion and weakening of the flexible pipe.
したがつて、従来のフレキシブルチユーブのよ
うに、高価なベースリングおよびプレスングを必
要とせず、かつ、組み立て工数が減少し、生産性
の向上を図ることができ、安価なフレキシブルチ
ユーブを得ることができる。 Therefore, unlike conventional flexible tubes, expensive base rings and pressings are not required, assembly man-hours are reduced, productivity can be improved, and an inexpensive flexible tube can be obtained. .
第１図は本考案の一実施例であるフレキシブル
チユーブの半部を切り欠いた側面図、第２図は従
来のフレキシブルチユーブの半部を切り欠いた側
面図である。
１……たわみ管、２……ベローズ、３……直管
部、４……フレア部、５……外装チユーブ、７…
…袋ナツト、８……ベースリング、９……プレス
リング。
FIG. 1 is a partially cut-away side view of a flexible tube according to an embodiment of the present invention, and FIG. 2 is a partially cut-away side view of a conventional flexible tube. 1... Flexible tube, 2... Bellows, 3... Straight pipe section, 4... Flare section, 5... Exterior tube, 7...
...Fukuro nut, 8...Base ring, 9...Press ring.
Claims (1)
に外装し、その両端部を加熱収縮させて直管部に
密着させた収縮チユーブと、前記直管部よりも大
径の挿通部と該挿通部よりもさらに大径のねじ部
との間にテーパ部を有し、前記直管部のの外周先
端寄りに前記挿通部を遊嵌し、直管部先端部を前
記テーパ部と同一形状に拡管して形成したフレア
部にて取り付けられた袋ナツトとからなることを
特徴とするフレキシブルチユーブ。 A flexible tube having a straight pipe section at both ends, a shrinkable tube that is sheathed around the flexible tube and heat-shrinked both ends of the flexible tube so as to be brought into close contact with the straight pipe section, and an insertion section having a larger diameter than the straight pipe section. A tapered part is provided between the insertion part and a threaded part having a larger diameter than the insertion part, the insertion part is loosely fitted near the outer periphery of the straight pipe part, and the straight pipe part has the same shape as the tapered part. A flexible tube comprising a cap nut attached at a flared portion formed by expanding the tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13393685U JPH0131839Y2 (en) | 1985-08-30 | 1985-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13393685U JPH0131839Y2 (en) | 1985-08-30 | 1985-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6241988U JPS6241988U (en) | 1987-03-13 |
| JPH0131839Y2 true JPH0131839Y2 (en) | 1989-09-29 |
Family
ID=31034705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13393685U Expired JPH0131839Y2 (en) | 1985-08-30 | 1985-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0131839Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3431630B2 (en) * | 1993-06-14 | 2003-07-28 | 東海ゴム工業株式会社 | Hose with protector |
-
1985
- 1985-08-30 JP JP13393685U patent/JPH0131839Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6241988U (en) | 1987-03-13 |
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