JP4237792B2 - Hose fittings - Google Patents
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- JP4237792B2 JP4237792B2 JP2006332783A JP2006332783A JP4237792B2 JP 4237792 B2 JP4237792 B2 JP 4237792B2 JP 2006332783 A JP2006332783 A JP 2006332783A JP 2006332783 A JP2006332783 A JP 2006332783A JP 4237792 B2 JP4237792 B2 JP 4237792B2
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- engagement
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- metal fitting
- cylindrical
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- 239000002184 metal Substances 0.000 claims description 36
- 210000000078 claw Anatomy 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Description
本発明はホースの継手金具に関するものであって、特に消防用ホースの継手金具であって、差し金具と受け金具とを結合する、一般に三鉤式金具と呼ばれる形式の継手金具の改良に関するものである。 The present invention relates to a joint fitting for a hose, and in particular, to a joint fitting for a fire hose, and relates to an improvement of a joint fitting of a type generally called a three-piece type fitting that joins an insertion fitting and a receiving fitting. is there.
従来三鉤式金具は、メーカーにより具体的な構造に多少に差異はあるものの、互いに接続可能で互換性を有しており、消防用ホースの継手金具としてわが国において広く採用されている。 Conventional three-piece metal fittings, although there are some differences in specific structures depending on the manufacturer, can be connected to each other and have compatibility, and are widely used in Japan as joint fittings for fire fighting hoses.
三鉤式金具は図１に示すように、それぞれホース１の端末に取り付けられた差し金具２と受け金具３とよりなっており、当該差し金具２及び受け金具３においてＡ及びＢは筒体であり、それぞれその基部にホース結合筒部４が形成され、当該ホース結合筒部４の外周には竹の子状の凹凸条５が形成されている。
As shown in FIG. 1, the three-piece metal fitting is composed of a metal fitting 2 and a metal fitting 3 attached to the end of the hose 1, respectively. In the metal fitting 2 and the metal fitting 3, A and B are cylindrical bodies. There is a hose
そしてそのホース結合筒部４のその外側にホース１の端末を嵌合し、さらにその外側に筒状の口巻き布６が嵌合され、さらにその外側に金属リング７を嵌合し、その金属リング７をかしめてホース１をホース結合筒部４に固定している。なおホース結合筒部４とホース１との結合形式は上記形式に限らず、ホース１の外側から針金を巻付けて締め付けるもの、ホース１の端部をホース結合筒部４内に挿入し、その内側に金属筒を嵌合して拡開するものなど、種々の形式のものがある。
Then, the end of the hose 1 is fitted to the outside of the hose
そして差し金具２は、円筒状の筒体Ａの先端部外周に筒体Ａの他の部分より大径とした大径部８が形成され、当該大径部８の基部側に係合段部９が形成されており、当該係合段部９と基部との間の外周に筒部１８の基部側端末に鍔１０を有する係合解除用リング１１が遊嵌されている。
In the insertion fitting 2, a large-diameter portion 8 having a larger diameter than the other portions of the cylindrical body A is formed on the outer periphery of the distal end portion of the cylindrical cylindrical body A , and an engagement step portion is formed on the base side of the large-diameter portion 8. 9 is formed, and an engagement releasing ring 11 having a
また前記受け金具３は、筒体Ｂの先端部に前記差し金具２の先端部を受け入れる受け部１２を有しており、その受け部１２の内周には、受け金具３の先端方向に向かってテーパー面１３を有し且つ、前記差し金具２の係合段部９に係合離脱可能の係合爪１４が設けられ、当該係合爪１４はばね手段１５により内方に付勢されている。なお１６はパッキンであり、１７は受け部１２の外周に嵌合された緩衝ゴムである。
Further, the receiving metal fitting 3 has a receiving part 12 for receiving the front end part of the insertion fitting 2 at the front end part of the cylindrical body B, and the inner periphery of the receiving part 12 faces the front end direction of the receiving metal fitting 3. The engagement claw 14 having a tapered surface 13 and detachable from the engagement step portion 9 of the metal fitting 2 is provided, and the engagement claw 14 is urged inward by a spring means 15. Yes.
而して前記差し金具２の先端部を受け金具３の受け部１２内に押し込むと、大径部８の先端が係合爪１４のテーパー面１３に当接し、係合爪１４をばね手段１５の弾力に抗して外方に押し拡げつつ侵入し、大径部８が係合爪１４を通り抜けると、係合爪１４がばね手段１５の弾力により内方に突出して係合段部９に係合し、図１（ｂ）に示すように差し金具２と受け金具３とが結合される。このときパッキン１６が大径部８の外面に圧接して、両金具２、３を水密にシールする。
Thus, when the distal end of the metal fitting 2 is pushed into the receiving portion 12 of the metal fitting 3, the distal end of the large diameter portion 8 comes into contact with the tapered surface 13 of the engagement claw 14, and the engagement claw 14 is moved to the spring means 15. When the large-diameter portion 8 passes through the engaging claw 14 while being pushed outwardly against the elastic force of the spring, the engaging claw 14 protrudes inward by the elastic force of the spring means 15 and enters the engaging step portion 9. As shown in FIG. 1B, the metal fitting 2 and the metal fitting 3 are coupled. At this time, the
またこの状態で前記係合解除用リング１１を差し金具２の先端方向に摺動させ、受け金具３の受け部１２の先端から押し込むことにより、筒部１８の先端が前記係合爪１４をばね手段１５の弾力に抗して外方に偏倚させ、係合段部９との係合を解除して差し金具２と受け金具３との結合を解除し得るようになっている。 Further, in this state, the engagement releasing ring 11 is slid in the distal direction of the fitting 2 and pushed from the distal end of the receiving portion 12 of the receiving fitting 3 so that the distal end of the cylindrical portion 18 causes the engaging claw 14 to spring. It is biased outwardly against the elasticity of the means 15, and the engagement with the engaging step 9 can be released to release the connection between the metal fitting 2 and the receiving metal 3.
ところで火災現場においては、各地に所属する消防署やその分団などから多数の消防車が出動し、それらが共同して消火に当たるのであるが、それらの消防車がそれぞれ消防用ホースを持ち込むため、現場においては所属の異る複数の消防用ホースが交錯して使用されることとなり、混乱が生じやすい。 By the way, at the fire site, many fire trucks are dispatched from fire departments and their branch offices belonging to various places, and they jointly fire extinguish, but each fire truck brings in a fire hose, so at the scene Because multiple fire hoses with different affiliations are interlaced, confusion is likely to occur.
一般には消防用ホースの端部や口巻き布６に所属を文字により記載することが行われているが、その確認は面倒であって、往々にして、撤収時に誤って所属の異る消防用ホースを持ち帰るようなことが生じており、消防用ホースの所属を一目で識別できる手段が求められていた。
Generally, affiliation is written in letters on the end of the fire hose or the wrapping
また火災現場における識別に限らず、各消防署において、購入又は製造の年度や、使用頻度などを管理する場合においても、消防用ホースを分類して容易に識別することができることが求められている。また一般のビルなどにおける消火栓用ホースにおいても、同様のことが言える。 In addition to the identification at the fire site, each fire station is required to be able to easily classify and identify fire hoses when managing the year of purchase or manufacture, the frequency of use, and the like. The same can be said for a fire hydrant hose in a general building.
このような事情に鑑み、消防用ホースの継手金具の各所に彩色を施し、消防用ホースの識別を容易ならしめることが提案されている。例えば特開平０８−７１１７２号公報には前記緩衝ゴム１７に彩色して色分けすることが記載され、実開平０６−７５５２４号公報には継手金具２、３とホース１との結合部外周に反射体のシールを張り付けることが記載され、また実公平０４−６７７１号公報にも同様の箇所に回帰性反射材を取り付けることが記載されている。 In view of such circumstances, it has been proposed to color portions of the joint fitting of the fire hose so that the fire hose can be easily identified. For example, Japanese Patent Application Laid-Open No. 08-71172 describes that the buffer rubber 17 is colored and color-coded, and Japanese Utility Model Laid-Open No. 06-75524 discloses a reflector on the outer periphery of the joint between the fittings 2 and 3 and the hose 1. In addition, Japanese Utility Model Publication No. 04-6771 describes that a retroreflective material is attached to a similar location.
しかしながら消防用ホースは緊急時に使用されるものであり、その取り扱いはかなり過酷であって、それらの識別部が損傷したり汚損したりして、識別機能が失われることが少なくない。 However, fire hoses are used in an emergency, and their handling is quite severe, and the identification function is often lost due to damage or contamination of the identification parts.
特開平０８−７１１７２号のものは緩衝ゴム１７に彩色するものであるが、消防用ホースが地面を引き摺られたような場合には、緩衝ゴム１７自体が受け金具３から脱落して失われてしまうことも少なくない。 Japanese Patent Application Laid-Open No. 08-71172 is colored with the shock absorbing rubber 17, but when the fire hose is dragged over the ground, the shock absorbing rubber 17 itself is dropped from the receiving metal fitting 3 and lost. It is not rare to end up.
また実開平０６−７５５２４号公報や実公平０４−６７７１号公報に記載されたものは、ホース１と継手金具２、３との結合部に識別用の部材を取り付けるものであるが、かかる結合部は消防用ホースを引き摺ったときには摩擦を受けやすい箇所であり、また金具を着脱する際には手に持ったり足で踏んだりする箇所であるため、それらの作業により摩擦されることも多く、識別用の部材が磨耗したり汚損したり、剥がれたり脱落したりする可能性が高い。
本発明はかかる事情に鑑みなされたものであって、消防用ホースの継手金具において、識別用の着色を施すと共に、その着色が一目で識別しやすく且つ使用により磨耗や汚損を受けることがなく、長期間に亙って識別機能を維持できるようにすることを目的とするものである。 The present invention has been made in view of such circumstances, and in the joint fitting of a fire hose, while giving a color for identification, the color is easy to identify at a glance and is not subject to wear or contamination by use, The object is to maintain the identification function over a long period of time.
而して本発明は、差し金具と受け金具とよりなり、前記差し金具が円筒状の筒体の基部にホース結合筒部を形成し、前記筒体の先端部外周に筒体の他の部分より大径とした大径部を有し、その大径部の基部側に係合段部を形成してなり、前記係合段部と基部との間の外周に係合解除用リングが遊嵌されており、前記受け金具が筒体の基部にホース結合筒部を形成し、筒体の先端部に前記差し金具の先端部を受け入れる受け部を形成してなり、その受け部内周に受け金具の先端方向に向かって径を拡大するテーパー面を有し、且つ前記係合段部に係合離脱可能の係合爪を内方に付勢して設け、前記係合解除用リングが筒部の基部側端末に鍔を有し、その筒部を受け部先端から押し込むことにより前記係合爪を付勢に抗して外方に偏倚させ、係合段部との係合を解除するようにしたホース接続金具において、前記係合解除用リングの少なくとも筒部の外周面に識別用の着色面を形成したことを特徴とするものである。 Thus, the present invention comprises an insertion fitting and a receiving fitting, wherein the insertion fitting forms a hose coupling cylinder portion at the base of a cylindrical cylinder, and the other part of the cylinder on the outer periphery of the distal end of the cylinder It has a larger diameter portion with a larger diameter, and an engagement step portion is formed on the base side of the large diameter portion, and an engagement release ring is idled on the outer periphery between the engagement step portion and the base portion. The hose coupling cylinder part is formed at the base part of the cylindrical body, and the receiving part for receiving the front end part of the insertion fitting is formed at the front end part of the cylindrical body. An engagement claw that has a tapered surface whose diameter increases toward the distal end of the metal fitting and that can be engaged and disengaged is provided in the engagement step portion, and the engagement release ring is a cylinder. The base side terminal of the part has a hook, and the cylindrical part is pushed from the tip of the receiving part to bias the engaging claw outwardly against the bias and engage In a hose fitting which is adapted to release the engagement between the parts, is characterized in that the formation of the colored surface for identification on the outer peripheral surface of at least the cylindrical portion of the disengagement ring.
本発明によれば、係合解除用リング１１の筒部１８は金具の結合状態においても外部に大きく露出しているため、その外周面に形成した着色面は容易に視認することができ、消防用ホースを識別することができる。 According to the present invention, the cylindrical portion 18 of the disengagement ring 11 is largely exposed to the outside even when the metal fittings are joined, so that the colored surface formed on the outer peripheral surface thereof can be easily visually recognized. The hose can be identified.
また筒部１８はその後端に鍔１０が形成されているため、当該鍔１０で保護されて着色面に直接外力が作用することがなく、着色面が損傷したり汚損したりして識別機能が損なわれることはない。
Moreover, since the collar part 18 is formed with the
以下本発明の実施の形態を図面に従って説明する。図面は本発明のホースの継手金具をしめすものであって、その基本的な構造は先に述べた三鉤式の継手金具と同一の構造を有するものである。 Embodiments of the present invention will be described below with reference to the drawings. The drawing shows the joint fitting of the hose of the present invention, and its basic structure is the same as that of the three-piece joint fitting described above.
そして本発明においては、前記係合解除用リング１１の少なくとも筒部１８の外周面に、識別用の着色面１９を形成したものである。なお筒部１８の外周面に止まらず、鍔１０にも着色することもできる。
In the present invention, a colored surface 19 for identification is formed on at least the outer peripheral surface of the cylindrical portion 18 of the engagement releasing ring 11. In addition, it does not stop on the outer peripheral surface of the cylinder part 18, and the
而して本発明によれば、係合解除用リング１１の筒部１８は外部から見やすい位置にあり、継手金具２、３を結合した状態においても外部に大きく露出しているため、その外周面に形成した着色面１９は容易に視認することができ、その色により消防用ホースを識別することができる。 Thus, according to the present invention, the cylindrical portion 18 of the disengagement ring 11 is in a position that is easy to see from the outside, and is greatly exposed to the outside even when the fittings 2 and 3 are joined. The colored surface 19 formed can be easily visually recognized, and the fire hose can be identified by its color.
また筒部１８はその後端に鍔１０が形成されているため、継手金具２、３を結合した状態においては、着色面１９は受け金具３の先端面と鍔１０との間で大きく窪んだ位置に形成されることとなるため、消防用ホースを引き摺ったりして外力が加わっても、着色面１９が直接地面などに接することはなく、損傷したり汚損したりすることはない。
Further, since the flange 18 is formed at the rear end of the cylindrical portion 18, the colored surface 19 is greatly recessed between the front end surface of the receiving bracket 3 and the
また継手金具２、３の結合を外した状態においても、直接地面に接するのは鍔１０であって、着色面１９は鍔１０に保護されて地面に接することはなく、摩擦や汚損を受けることは少ない。
Even in the state in which the joint metal fittings 2 and 3 are disconnected, the
また係合解除用リング１１は差し金具２と受け金具３との結合を解除するときに、筒部１８を受け金具３に差し込んで係合爪１４を押し拡げる作用をするものであるが、その際に直接係合爪１４に接触するのは筒部１８の先端の僅かな範囲のみであり、着色面１９の大部分は係合爪１４に接することもなく、摩擦により損傷することもない。また金具の着脱に際してことさらに手や足が触れることもない。 Further, when the coupling between the metal fitting 2 and the metal fitting 3 is released, the ring 11 for releasing the engagement acts to insert the cylindrical portion 18 into the metal fitting 3 and push the engagement claws 14 apart. At this time, the engaging claw 14 is in direct contact with only a small range at the tip of the cylindrical portion 18, and most of the colored surface 19 does not contact the engaging claw 14 and is not damaged by friction. In addition, when attaching and detaching the metal fittings, hands and feet are not touched.
従って本発明によれば、前記従来例に挙げたもののように、長期間の使用により磨耗や汚損によって識別機能が損なわれることがなく、長期間に亙って鮮明な色を保ち、識別機能を維持することができる。 Therefore, according to the present invention, the identification function is not impaired by wear or stain due to long-term use, as in the conventional example, and the distinction function is maintained while maintaining a clear color over a long period of time. Can be maintained.
本発明における着色面１９の着色方法としては、ペンキなどの塗料を塗装したり、メッキや着色アルマイト処理などにより着色することができる。また識別性を向上させるために、反射材や蓄光材を使用することもできる。 As a coloring method of the colored surface 19 in the present invention, it is possible to apply a paint such as paint, or to color by plating or a colored alumite treatment. Moreover, in order to improve discrimination, a reflective material or a phosphorescent material can also be used.
１ ホース
２ 差し金具
３ 受け金具
４ ホース結合筒部
８ 大径部
９ 係合段部
１０ 鍔
１１ 係合解除用リング
１２ 受け部
１３ テーパー面
１４ 係合爪
１５ ばね手段
１８ 筒部
１９ 着色面
DESCRIPTION OF SYMBOLS 1 Hose 2 Insert metal fitting 3 Receiving
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006332783A JP4237792B2 (en) | 2006-12-11 | 2006-12-11 | Hose fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006332783A JP4237792B2 (en) | 2006-12-11 | 2006-12-11 | Hose fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008142301A JP2008142301A (en) | 2008-06-26 |
| JP4237792B2 true JP4237792B2 (en) | 2009-03-11 |
Family
ID=39603142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006332783A Active JP4237792B2 (en) | 2006-12-11 | 2006-12-11 | Hose fittings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4237792B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5775716B2 (en) * | 2011-03-25 | 2015-09-09 | 帝国繊維株式会社 | Fire hose joint |
| JP2013079659A (en) * | 2011-09-30 | 2013-05-02 | Ningbo Yingzhen Machinery Components Co Ltd | Coupling for hose |
| JP6871774B2 (en) * | 2017-03-23 | 2021-05-12 | ホーチキ株式会社 | Hose fitting device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0445727Y2 (en) * | 1986-09-18 | 1992-10-27 | ||
| JP2572591Y2 (en) * | 1992-03-25 | 1998-05-25 | 芦森工業株式会社 | Fire hose terminal protection ring |
| JPH0593459U (en) * | 1992-05-26 | 1993-12-21 | 帝国繊維株式会社 | Light reflection band for fire hose |
| JPH0624057U (en) * | 1992-08-27 | 1994-03-29 | 株式会社シルグ | Fire hose connection for fire hydrant |
| JP2535019Y2 (en) * | 1993-04-15 | 1997-05-07 | 櫻護謨株式会社 | Fire hose |
| JP3647060B2 (en) * | 1994-04-14 | 2005-05-11 | 帝国繊維株式会社 | Fitting protector for fire hose |
| JPH0871172A (en) * | 1994-09-05 | 1996-03-19 | Teikoku Sen I Co Ltd | Connector for fire hose |
| JP2000317007A (en) * | 1999-03-08 | 2000-11-21 | Teikoku Sen I Co Ltd | Fire extinguishing hose and its insertion type metallic connection fittings |
| JP4979845B2 (en) * | 2000-11-02 | 2012-07-18 | 櫻護謨株式会社 | Fire hose |
| JP3836050B2 (en) * | 2002-06-07 | 2006-10-18 | 三菱重工業株式会社 | Turbine blade |
| JP4414695B2 (en) * | 2003-07-31 | 2010-02-10 | 櫻護謨株式会社 | Hose manufacturing method |
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2006
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Also Published As
| Publication number | Publication date |
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| JP2008142301A (en) | 2008-06-26 |
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