JPH0121394B2 - - Google Patents

Info

Publication number
JPH0121394B2
JPH0121394B2 JP55062176A JP6217680A JPH0121394B2 JP H0121394 B2 JPH0121394 B2 JP H0121394B2 JP 55062176 A JP55062176 A JP 55062176A JP 6217680 A JP6217680 A JP 6217680A JP H0121394 B2 JPH0121394 B2 JP H0121394B2
Authority
JP
Japan
Prior art keywords
hose
sleeve
nipple
protruding portion
receiving surface
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
Application number
JP55062176A
Other languages
Japanese (ja)
Other versions
JPS55155992A (en
Inventor
Ronii Ekuman Kieru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS55155992A publication Critical patent/JPS55155992A/en
Publication of JPH0121394B2 publication Critical patent/JPH0121394B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • F16L33/2073—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member directly connected to the rigid member
    • F16L33/2076—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member directly connected to the rigid member by plastic deformation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/225—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts a sleeve being movable axially

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Description

【発明の詳細な説明】 産業上の利用分野 この発明は、弾性を有するホースを装着するホ
ース用装着具に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a hose attachment for attaching an elastic hose.

従来技術の構成とその問題点 第５図は従来のホース用装着具を示す。この装
着具はニツプル７とバンド８からなり、ニツプル
７はその半径方向外向き突出する突出部分７ａを
有する。したがつて、弾性を有するホース９をニ
ツプル７に沿つて押し込み、ニツプル７の突出部
分７ａにおいて、バンド８をホース９の上に被せ
ると、ホース９がニツプル７の突出部分７ａとバ
ンド８の内周面間に挟まれ、バンド８によつてホ
ース９がロツクされ、ホース９をニツプル７に装
着することができる。しかしながら、この装着具
の場合、ホース９をニツプル７に沿つて押し込む
だけではなく、バンド８をホース９の上に被せね
ばならず、その操作が面倒であるという問題があ
つた。さらに、バンド８をホース９の上に被せな
い限り、ホース９を堅固に装着することができ
ず、確実性が低いという問題もある。Structure of the prior art and its problems FIG. 5 shows a conventional hose fitting. This attachment device consists of a nipple 7 and a band 8, the nipple 7 having a projecting portion 7a projecting outward in its radial direction. Therefore, when the elastic hose 9 is pushed along the nipple 7 and the band 8 is placed over the hose 9 at the protruding part 7 a of the nipple 7 , the hose 9 will fit between the protruding part 7 a of the nipple 7 and the inside of the band 8 . The hose 9 is locked by the band 8 which is sandwiched between the circumferential surfaces, and the hose 9 can be attached to the nipple 7. However, in the case of this fitting, the hose 9 must not only be pushed along the nipple 7, but also the band 8 must be placed over the hose 9, which is a problem in that the operation is troublesome. Furthermore, unless the band 8 is placed over the hose 9, the hose 9 cannot be securely attached, resulting in a problem of low reliability.

発明の目的 したがつて、この発明は、弾性を有するホース
を装着するホース用装着具において、ホースをニ
ツプルに沿つて押し込むだけで、セルフロツキン
グ作用によつてホースがロツクされ、ホースが堅
固に装着されるようにすることを目的としてなさ
れたものである。Purpose of the Invention Therefore, the present invention provides a hose attachment device for attaching an elastic hose, in which the hose is locked by a self-locking action by simply pushing the hose along the nipple, and the hose is firmly secured. This was done for the purpose of making it easy to wear.

発明の構成 この発明によれば、弾性を有するホース４を装
着するホース用装着具であつて、円筒状部分１ｄ
とフランジ状のベース部分１ａとを有するニツプ
ル１と、前記円筒状部分１ｄのまわりに配置され
るスリーブ３とからなり、前記スリーブ３の底端
にその半径方向内向きに突出するエツジ部分３ａ
が設けられ、前記ニツプル１のベース部分１ａは
前記スリーブ３のエツジ部分３ａのための受け面
１a′を有し、前記円筒状部分１ｄと前記受け面１
a′間に末広がり状のテーパ部分１ｅが設けられ、
前記テーパ部分１ｅは前記円筒状部分１ｄから前
記受け面１a′に向かつて半径方向外向きに傾斜し
ており、さらに前記円筒状部分１ｄの頂壁にその
半径方向外向きに突出する突出部分１ｂが連続し
て設けられ、前記円筒状部分１ｄの外径Ndは前
記ホース４の内径Hdとほぼ同一であり、前記ス
リーブ３の内径Sdは前記円筒状部分１ｄの外径
Ndと前記ホース４の壁厚ｂの２倍との和（Nd＋
2b）よりもわずかに大きく、前記突出部分１ｂ
の外径NDと前記ホース４の壁厚ｂの２倍との和
（ND＋2b）よりもわずかに小さく、前記スリー
ブ３の軸方向長さは前記ニツプル１の突出部分１
ｂと受け面１a′間の軸方向距離よりもわずかに小
さいことを特徴とするホース用装着具が提供され
る。Structure of the Invention According to the present invention, there is provided a hose attachment device for attaching an elastic hose 4 to a cylindrical portion 1d.
and a sleeve 3 disposed around the cylindrical portion 1d, with an edge portion 3a projecting radially inward at the bottom end of the sleeve 3.
is provided, the base part 1a of the nipple 1 has a receiving surface 1a' for the edge part 3a of the sleeve 3, and the cylindrical part 1d and the receiving surface 1
A tapered portion 1e that widens toward the end is provided between a',
The tapered portion 1e is inclined radially outward from the cylindrical portion 1d toward the receiving surface 1a', and further includes a protruding portion 1b on the top wall of the cylindrical portion 1d that protrudes radially outward. are continuously provided, the outer diameter Nd of the cylindrical portion 1d is approximately the same as the inner diameter Hd of the hose 4, and the inner diameter Sd of the sleeve 3 is the outer diameter of the cylindrical portion 1d.
The sum of Nd and twice the wall thickness b of the hose 4 (Nd+
2b) slightly larger than the protruding portion 1b
The axial length of the sleeve 3 is slightly smaller than the sum (ND+2b) of the outer diameter ND of the hose 4 and twice the wall thickness b of the hose 4, and the length of the sleeve 3 in the axial direction is
A hose fitting is provided, which is characterized in that the distance in the axial direction between b and the receiving surface 1a' is slightly smaller than that in the axial direction.

作 用 したがつて、この装着具において、スリーブ３
をニツプル１の円筒状部分１ｄのまわりに配置
し、ホース４をニツプル１に沿つて押し込むと、
ホース４がニツプル１の突出部分１ｂとスリーブ
３の内周面間を通り、スリーブ３内に収容され
る。さらに、ニツプル１のテーパ部分１ｅによつ
てホース４が押し拡げられ、その部分がスリーブ
３の内周面に押し付けられる。その後、ホース４
から手を離すと、ホース４の弾性とテーパ部分１
ｅの作用によつてホース４が押し戻され、スリー
ブ３もホース４とともに移動し、ホース４はニツ
プル１の突出部分１ｂとスリーブ３の内周面間に
挟まれる。Function Therefore, in this attachment device, the sleeve 3
is placed around the cylindrical portion 1d of the nipple 1, and when the hose 4 is pushed along the nipple 1,
A hose 4 passes between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3, and is housed within the sleeve 3. Further, the hose 4 is expanded by the tapered portion 1e of the nipple 1, and that portion is pressed against the inner circumferential surface of the sleeve 3. After that, hose 4
When you release your hand, the elasticity of the hose 4 and the tapered part 1
The hose 4 is pushed back by the action of e, the sleeve 3 also moves together with the hose 4, and the hose 4 is sandwiched between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3.

実施例の説明 以下、この発明の実施例を説明する。Description of examples Examples of the present invention will be described below.

第１図、第１ａ図および第２図はこの発明の実
施例を示す。この装着具は弾性を有するホース４
を装着するためのもので、ニツプル１とスリーブ
３からなり、ニツプル１は円筒状部分１ｄおよび
フランジ状のベース部分１ａを有する。ホース４
は合成樹脂製またはゴム製である。ニツプル１は
液圧または空気圧システムのニツプルであり、真
ちゆうなどの耐蝕性金属からなり、そのベース部
分１ａは液圧または空気圧システムの機械部品に
取り付けられる。スリーブ３も真ちゆうなどの耐
蝕性金属からなり、ニツプル１の円筒状部分１ｄ
のまわりに配置される。 1, 1a and 2 show embodiments of the invention. This fitting is an elastic hose 4
It is made up of a nipple 1 and a sleeve 3, and the nipple 1 has a cylindrical portion 1d and a flange-like base portion 1a. hose 4
is made of synthetic resin or rubber. The nipple 1 is a nipple of a hydraulic or pneumatic system, made of a corrosion-resistant metal such as brass, whose base part 1a is attached to a mechanical part of the hydraulic or pneumatic system. The sleeve 3 is also made of a corrosion-resistant metal such as brass, and the cylindrical portion 1d of the nipple 1
arranged around.

第２図に示すように、スリーブ３は環状のエツ
ジ部分３ａを有し、エツジ部分３ａはスリーブ３
の底端に設けられ、その半径方向内向きに突出し
ている。そして、エツジ部分３ａの中央に中央孔
３ｂが形成されている。さらに、スリーブ３の頂
端に拡開部分３ｃが設けられ、拡開部分３ｃは半
径方向外向きに折曲している。この他、スリーブ
３の内周面に突起３ｅが設けられている。突起３
ｅはホース４と係合する鉤として作用する。さら
に、スリーブ３は複数の通孔３ｄを有する。通孔
３ｄはホース４がスリーブ３内でニツプル１に対
し装着されているかどうか確認するためのもので
ある。 As shown in FIG. 2, the sleeve 3 has an annular edge portion 3a.
and protrudes radially inward from the bottom end thereof. A central hole 3b is formed in the center of the edge portion 3a. Further, the sleeve 3 is provided with an expanded portion 3c at the top end, and the expanded portion 3c is bent radially outward. In addition, a protrusion 3e is provided on the inner peripheral surface of the sleeve 3. Protrusion 3
e acts as a hook that engages with the hose 4. Furthermore, the sleeve 3 has a plurality of through holes 3d. The through hole 3d is for checking whether the hose 4 is attached to the nipple 1 within the sleeve 3.

一方、ニツプル１については、そのベース部分
１ａに受け面１a′が形成されている。受け面１
a′はスリーブ３のエツジ部分３ａを接触させるた
めのものである。さらに、ニツプル１は末広がり
状のテーパ部分１ｅを有し、テーパ部分１ｅは円
筒状部分１ｄと受け面１a′間に設けられ、円筒状
部分１ｄから受け面１a′に向かつて半径方向外向
きに傾斜している。さらに、ニツプル１はその半
径方向外向きに突出する突出部分１ｂを有し、突
出部分１ｂは円筒状部分１ｄの頂端に連続して設
けられている。突出部分１ｂは直線状で円筒状の
外周面１b′を有し、半径方向肩部１b″を経て円筒
状部分１ｄに達している。外周面１b′はニツプル
１の中心軸２と平行にのびる。 On the other hand, the nipple 1 has a receiving surface 1a' formed in its base portion 1a. Receiving surface 1
a' is for bringing the edge portion 3a of the sleeve 3 into contact. Further, the nipple 1 has a tapered portion 1e that widens toward the end, and the tapered portion 1e is provided between the cylindrical portion 1d and the receiving surface 1a', and extends radially outward from the cylindrical portion 1d toward the receiving surface 1a'. It is sloping. Furthermore, the nipple 1 has a projecting portion 1b that projects outward in its radial direction, and the projecting portion 1b is provided continuously at the top end of the cylindrical portion 1d. The projecting part 1b has a straight, cylindrical outer circumferential surface 1b' which reaches the cylindrical part 1d via a radial shoulder 1b''. The outer circumferential surface 1b' extends parallel to the central axis 2 of the nipple 1. .

さらに、ニツプル１およびスリーブ３の大きさ
が適宜選定されており、ニツプル１の円筒状部分
１ｄの外径Ndはホース４の内径Hdとほぼ同一に
選定されている。ホース４の内径Hdは9.5mmであ
る。さらに、ホース４の壁厚ｂは1.5mmであり、
その２倍は3.0mmである。そして、スリーブ３の
内径Sdが13.3mmに選定されており、これは円筒状
部分１ｄの外径Ndとホース４の壁厚ｂの２倍と
の和（Nd＋2b）よりもわずかに大きい。さらに、
ニツプル１の突出部分１ｂの外径NDが11.0mmに
選定されており、スリーブ３の内径Sdはニツプ
ル１の突出部分１ｂの外径NDとホース４の壁厚
ｂの２倍との和（ND＋2b）よりもわずかに小さ
い。さらに、スリーブ３の軸方向長さがニツプル
１の突出部分１ｂと受け面１a′間の軸方向距離よ
りもわずかに小さく選定され、その80％以上に選
定されている。この実施例では、スリーブ３の軸
方向長さはニツプル１の突出部分１ｂと受け面１
a′間の軸方向距離の90％である。なお、ニツプル
１のテーパ部分１ｅの軸方向長さはニツプル１の
軸方向長さの10〜30％である。 Further, the sizes of the nipple 1 and the sleeve 3 are appropriately selected, and the outer diameter Nd of the cylindrical portion 1d of the nipple 1 is selected to be approximately the same as the inner diameter Hd of the hose 4. The inner diameter Hd of the hose 4 is 9.5 mm. Furthermore, the wall thickness b of the hose 4 is 1.5 mm,
Twice that amount is 3.0mm. The inner diameter Sd of the sleeve 3 is selected to be 13.3 mm, which is slightly larger than the sum (Nd+2b) of the outer diameter Nd of the cylindrical portion 1d and twice the wall thickness b of the hose 4. moreover,
The outer diameter ND of the protruding portion 1b of the nipple 1 is selected to be 11.0 mm, and the inner diameter Sd of the sleeve 3 is the sum of the outer diameter ND of the protruding portion 1b of the nipple 1 and twice the wall thickness b of the hose 4 (ND + 2b ) is slightly smaller than Further, the axial length of the sleeve 3 is selected to be slightly smaller than the axial distance between the protruding portion 1b of the nipple 1 and the receiving surface 1a', and is selected to be at least 80% of the axial distance. In this embodiment, the axial length of the sleeve 3 is the same as that between the protruding portion 1b of the nipple 1 and the receiving surface 1.
It is 90% of the axial distance between a′. The axial length of the tapered portion 1e of the nipple 1 is 10 to 30% of the axial length of the nipple 1.

したがつて、スリーブ３がニツプル１の円筒状
部分１ｄのまわりに配置され、そのエツジ部分３
ａがニツプル１の受け面１a′と接触していると
き、ニツプル１の突出部分１ｂとスリーブ３の内
周面間に間隙が形成される。その間隙はａであ
り、ホース４の壁厚ｂよりも大きい。しかしなが
ら、スリーブ３を突出部分１ｂの位置まで上昇さ
せると、突出部分１ｂとスリーブ３の内周面間の
間隙はホース４の壁厚ｂよりも小さい値に減少す
る。 A sleeve 3 is therefore arranged around the cylindrical part 1d of the nipple 1, and its edge part 3
When a is in contact with the receiving surface 1a' of the nipple 1, a gap is formed between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3. The gap therebetween is a, which is larger than the wall thickness b of the hose 4. However, when the sleeve 3 is raised to the position of the protruding portion 1b, the gap between the protruding portion 1b and the inner peripheral surface of the sleeve 3 is reduced to a value smaller than the wall thickness b of the hose 4.

したがつて、この装着具において、スリーブ３
をニツプル１の円筒状部分１ｄのまわりに配置
し、ホース４をニツプル１に沿つて押し込むと、
スリーブ３の拡開部分３ｃによつてホース４が案
内され、ホース４はニツプル１の突出部分１ｂと
スリーブ３の内周面間を通り、スリーブ３内に収
容される。ニツプル１の突出部分１ｂとスリーブ
３の内周面間の間隙はａであり、ホース４の壁厚
ｂよりも大きく、ホース４をニツプル１に沿つて
押し込み、スリーブ３内に収容するのは容易であ
る。そして、第１図に示すように、ホース４がニ
ツプル１に沿つて押し込まれるとき、ニツプル１
のテーパ部分１ｅによつてホース４が押し拡げら
れ、その部分がスリーブ３の内周面に押し付けら
れる。さらに、ホース４がスリーブ３のエツジ部
分３ａに押し付けられ、エツジ部分３ａがニツプ
ル１の受け面１a′に押し付けられる。これがスリ
ーブ３の第１装着位置である。 Therefore, in this fitting, the sleeve 3
is placed around the cylindrical portion 1d of the nipple 1, and when the hose 4 is pushed along the nipple 1,
The hose 4 is guided by the expanded portion 3c of the sleeve 3, passes between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3, and is housed within the sleeve 3. The gap between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3 is a, which is larger than the wall thickness b of the hose 4, and it is easy to push the hose 4 along the nipple 1 and accommodate it in the sleeve 3. It is. As shown in FIG. 1, when the hose 4 is pushed along the nipple 1, the nipple 1
The hose 4 is expanded by the tapered portion 1e, and this portion is pressed against the inner circumferential surface of the sleeve 3. Furthermore, the hose 4 is pressed against the edge portion 3a of the sleeve 3, and the edge portion 3a is pressed against the receiving surface 1a' of the nipple 1. This is the first mounting position of the sleeve 3.

その後、ホース４から手を離すと、ホース４の
弾性とテーパ部分１ｅの作用によつてホース４が
押し戻され、ホース４はテーパ部分１ｅに沿つて
移動し、もとの状態に収縮し、スリーブ３もホー
ス４とともに移動する。すなわち、第１図におい
て、ホース４がテーパ部分１ｅに沿つて上昇し、
スリーブ３がニツプル１の突出部分１ｂに向かつ
て上昇するものである。したがつて、第１ａ図に
示すように、ニツプル１の突出部分１ｂとスリー
ブ３の内周面間の間隙がａからa′に減少する。こ
れがスリーブ３の第２装着位置である。 After that, when you release your hand from the hose 4, the hose 4 is pushed back by the elasticity of the hose 4 and the action of the tapered part 1e, the hose 4 moves along the tapered part 1e, contracts to its original state, and becomes a sleeve. 3 also moves together with the hose 4. That is, in FIG. 1, the hose 4 rises along the tapered portion 1e,
The sleeve 3 rises toward the protruding portion 1b of the nipple 1. Therefore, as shown in FIG. 1a, the gap between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3 is reduced from a to a'. This is the second mounting position of the sleeve 3.

この結果、ホース４がニツプル１の突出部分１
ｂとスリーブ３の内周面間に挟まれ、セルフロツ
キング作用によつてホース４がロツクされ、スリ
ーブ４はニツプル１から離脱されない。したがつ
て、ホース４をニツプル１に沿つて押し込むだけ
で、ホース４を堅固に装着することができる。 As a result, the hose 4 is connected to the protruding portion 1 of the nipple 1.
b and the inner peripheral surface of the sleeve 3, the hose 4 is locked by a self-locking action, and the sleeve 4 is not detached from the nipple 1. Therefore, simply by pushing the hose 4 along the nipple 1, the hose 4 can be securely attached.

なお、ホース４をニツプル１から取り外すに
は、スリーブ３をニツプル１のベース部分１ａに
向かつて移動させ、そのエツジ部分３ａをベース
部分１ａの受け面１a′に押し付け、保持し、その
状態でホース４だけを引き抜けばよい。スリーブ
３が移動しない限り、ニツプル１の突出部分１ｂ
とスリーブ３の内周面間の間隙は減少せず、ａの
ままである。したがつて、ホース４をニツプル１
およびスリーブ３から引き抜くことができる。 In addition, in order to remove the hose 4 from the nipple 1, move the sleeve 3 toward the base portion 1a of the nipple 1, press the edge portion 3a against the receiving surface 1a' of the base portion 1a, hold it, and remove the hose in this state. You only need to pull out 4. As long as the sleeve 3 does not move, the protruding portion 1b of the nipple 1
The gap between the inner peripheral surface of the sleeve 3 and the inner circumferential surface of the sleeve 3 does not decrease and remains at a. Therefore, hose 4 is connected to nipple 1.
and can be pulled out from the sleeve 3.

この発明には種々の変形例が考えられる。たと
えば、第３図に示すように、ニツプル１に切り欠
き１ｆを設け、スリーブ３のエツジ部分３ａをニ
ツプル１の切り欠き１ｆに嵌め込んでもよい。さ
らに、第４図に示すように、シールリング６を切
り欠き１f′に収容してもよい。この場合、切り欠
き１ｆ，１f′の幅を十分大きく選定し、スリーブ
３が軸方向に移動することができるようにする必
要があるのは当然である。 Various modifications can be made to this invention. For example, as shown in FIG. 3, the nipple 1 may be provided with a notch 1f, and the edge portion 3a of the sleeve 3 may be fitted into the notch 1f. Furthermore, as shown in FIG. 4, the seal ring 6 may be accommodated in the cutout 1f'. In this case, it is natural that the widths of the notches 1f, 1f' must be selected to be sufficiently large so that the sleeve 3 can move in the axial direction.

発明の効果 以上説明したように、この発明によれば、ニツ
プル１の円筒状部分１ｄの外径Ndがホース４の
内径Hdとほぼ同一に選定され、スリーブ３の内
径Sdが円筒状部分１ｄの外径Ndとホース４の壁
厚ｂの２倍との和（Nd＋2b）よりもわずかに大
きく、ニツプル１の突出部分１ｂの外径NDとホ
ース４の壁厚ｂの２倍との和（ND＋2b）よりも
わずかに小さく選定される。さらに、スリーブ３
の軸方向長さがニツプル１の突出部分１ｂと受け
面１a′間の軸方向距離よりもわずかに小さく選定
される。したがつて、スリーブ３をニツプル１の
円筒状部分１ｄのまわりに配置し、ホース４をニ
ツプル１に沿つて押し込むと、ホース４はニツプ
ル１の突出部分１ｂとスリーブ３の内周面間を通
り、スリーブ３内に収容される。ニツプル１の突
出部分１ｂとスリーブ３の内周面間の間隙はホー
ス４の壁厚ｂよりも大きく、ホース４をニツプル
１に沿つて押し込み、スリーブ３内に収容するの
は容易である。そして、ホース４がニツプル１に
沿つて押し込まれるとき、ニツプル１のテーパ部
分１ｅによつてホース４が押し拡げられ、その部
分がスリーブ３の内周面に押し付けられる。さら
に、ホース４がスリーブ３のエツジ部分３ａに押
し付けられ、エツジ部分３ａがニツプル１の受け
面１a′に押し付けられる。これがスリーブ３の第
１装着位置である。その後、ホース４から手を離
すと、ホース４の弾性とテーパ部分１ｅの作用に
よつてホース４が押し戻され、ホース４はテーパ
部分１ｅに沿つて移動し、もとの状態に収縮し、
スリーブ３もホース４とともに移動する。すなわ
ち、第１図において、ホース４がテーパ部分１ｅ
に沿つて上昇し、スリーブ３がニツプル１の突出
部分１ｂに向かつて上昇するものである。したが
つて、第１ａ図に示すように、ニツプル１の突出
部分１ｂとスリーブ３の内周面間の間隙がａから
a′に減少する。これがスリーブ３の第２装着位置
である。この結果、ホース４がニツプル１の突出
部分１ｂとスリーブ３の内周面間に挟まれ、セル
フロツキング作用によつてホース４がロツクさ
れ、ホース４はニツプル１から離脱されない。し
たがつて、ホース４をニツプル１に沿つて押し込
むだけで、ホース４を堅固に装着することがで
き、所期の目的を達成することができるものであ
る。Effects of the Invention As explained above, according to the present invention, the outer diameter Nd of the cylindrical portion 1d of the nipple 1 is selected to be approximately the same as the inner diameter Hd of the hose 4, and the inner diameter Sd of the sleeve 3 is selected to be approximately the same as the inner diameter Hd of the cylindrical portion 1d. It is slightly larger than the sum (Nd+2b) of the outer diameter Nd and twice the wall thickness b of the hose 4 (Nd+2b), and the sum (ND+2b) of the outer diameter ND of the protruding portion 1b of the nipple 1 and twice the wall thickness b of the hose 4. ) is selected to be slightly smaller than Furthermore, sleeve 3
The axial length of the nipple 1 is selected to be slightly smaller than the axial distance between the protruding portion 1b of the nipple 1 and the receiving surface 1a'. Therefore, when the sleeve 3 is placed around the cylindrical portion 1d of the nipple 1 and the hose 4 is pushed along the nipple 1, the hose 4 passes between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3. , housed within the sleeve 3. The gap between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3 is larger than the wall thickness b of the hose 4, so that the hose 4 can be easily pushed along the nipple 1 and accommodated in the sleeve 3. When the hose 4 is pushed along the nipple 1, the tapered portion 1e of the nipple 1 expands the hose 4, and that portion is pressed against the inner peripheral surface of the sleeve 3. Furthermore, the hose 4 is pressed against the edge portion 3a of the sleeve 3, and the edge portion 3a is pressed against the receiving surface 1a' of the nipple 1. This is the first mounting position of the sleeve 3. After that, when you release your hand from the hose 4, the hose 4 is pushed back by the elasticity of the hose 4 and the action of the tapered portion 1e, and the hose 4 moves along the tapered portion 1e and contracts to its original state.
The sleeve 3 also moves together with the hose 4. That is, in FIG. 1, the hose 4 has a tapered portion 1e.
The sleeve 3 rises toward the protruding portion 1b of the nipple 1. Therefore, as shown in FIG. 1a, the gap between the protruding portion 1b of the nipple 1 and the inner peripheral surface of the sleeve 3 is
decreases to a′. This is the second mounting position of the sleeve 3. As a result, the hose 4 is sandwiched between the protruding portion 1b of the nipple 1 and the inner circumferential surface of the sleeve 3, and the hose 4 is locked by the self-locking action, so that the hose 4 is not detached from the nipple 1. Therefore, simply by pushing the hose 4 along the nipple 1, the hose 4 can be firmly attached, and the intended purpose can be achieved.

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

第１図はこの発明の実施例を示す断面図、第１
ａ図は第１図のホースがロツクされた状態を示す
断面図、第２図は第１図のホース用装着具の分解
側面図、第３図および第４図は他の実施例を示す
断面図、第５図は従来のホース用装着具の断面図
である。 １……ニツプル、１ａ……ベース部分、１a′…
…受け面、１ｂ……突出部分、１ｄ……円筒状部
分、１ｅ……テーパ部分、３……スリーブ、３ａ
……エツジ部分、４……ホース。 FIG. 1 is a sectional view showing an embodiment of the present invention.
Figure a is a sectional view showing the hose shown in Figure 1 in a locked state, Figure 2 is an exploded side view of the hose fitting shown in Figure 1, and Figures 3 and 4 are cross-sectional views showing other embodiments. FIG. 5 is a sectional view of a conventional hose fitting. 1...Nipple, 1a...Base part, 1a'...
...Receiving surface, 1b...Protruding part, 1d...Cylindrical part, 1e...Tapered part, 3...Sleeve, 3a
...Edge part, 4...Hose.

Claims (1)

【特許請求の範囲】 １ 弾性を有するホース４を装着するホース用装
着具であつて、円筒状部分１ｄとフランジ状のベ
ース部分１ａとを有するニツプル１と、前記円筒
状部分１ｄのまわりに配置されるスリーブ３とか
らなり、前記スリーブ３の底端にその半径方向内
向きに突出するエツジ部分３ａが設けられ、前記
ニツプル１のベース部分１ａは前記スリーブ３の
エツジ部分３ａのための受け面１a′を有し、前記
円筒状部分１ｄと前記受け面１a′間に末広がり状
のテーパ部分１ｅが設けられ、前記テーパ部分１
ｅは前記円筒状部分１ｄから前記受け面１a′に向
かつて半径方向外向きに傾斜しており、さらに前
記円筒状部分１ｄの頂端にその半径方向外向きに
突出する突出部分１ｂが連続して設けられ、前記
円筒状部分１ｄの外径Ndは前記ホース４の内径
Hdとほぼ同一であり、前記スリーブ３の内径Sd
は前記円筒状部分１ｄの外径Ndと前記ホース４
の壁厚ｂの２倍との和（Nd＋2b）よりもわずか
に大きく、前記突出部分１ｂの外径NDと前記ホ
ース４の壁厚ｂの２倍との和（ND＋2b）よりも
わずかに小さく、前記スリーブ３の軸方向長さは
前記ニツプル１の突出部分１ｂと受け面１a′間の
軸方向距離よりもわずかに小さいことを特徴とす
るホース用装着具。 ２ 前記テーパ部分１ｅの軸方向長さは前記ニツ
プル１の軸方向長さの10〜30％であり、前記スリ
ーブ３の軸方向長さは前記ニツプル１の突出部分
１ｂと受け面１a′間の軸方向距離の80％以上であ
り、前記ニツプル１の突出部分１ｂは半径方向肩
部１b″を経て前記円筒状部分１ｄに達しているこ
とを特徴とする特許請求の範囲第１項に記載のホ
ース用装着具。 ３ 前記スリーブ３の頂端に半径方向外向きに折
曲した拡開部分３ｃが設けられていることを特徴
とする特許請求の範囲第１項または第２項に記載
のホース用装着具。 ４ 前記スリーブ３の内周面に鉤として作用する
突起３ｅが設けられていることを特徴とする特許
請求の範囲第１項〜第３項のいずれかに記載のホ
ース用装着具。 ５ 前記ニツプル１の突出部分１ｂは前記ニツプ
ル１の中心軸２と平行にのびる直線状で円筒状の
外周面１b′を有することを特徴とする特許請求の
範囲第１項〜第４項のいずれかに記載のホース用
装着具。 ６ 前記スリーブ３に複数の通孔３ｄが設けられ
ており、前記ホース４が前記スリーブ３内で前記
ニツプル１に対し装着されているかどうか確認す
ることができるようにしたことを特徴とする特許
請求の範囲第１項〜第５項のいずれかに記載のホ
ース用装着具。 ７ クランプ工具５によつて前記スリーブ３をク
ランプするようにしたことを特徴とする特許請求
の範囲第１項〜第６項のいずれかに記載のホース
用装着具。 ８ 前記スリーブ３のエツジ部分３ａが前記ニツ
プル１の切り欠き１ｆ，１f′に嵌め込まれ、シー
ルリング６が前記切り欠き１ｆ，１f′に収容され
ており、前記切り欠き１ｆ，１f′の幅は前記スリ
ーブ３が軸方向に移動することができるよう選定
されていることを特徴とする特許請求の範囲第１
項〜第７項のいずれかに記載のホース用装着具。[Scope of Claims] 1. A hose attachment device for attaching an elastic hose 4, comprising a nipple 1 having a cylindrical portion 1d and a flange-like base portion 1a, and arranged around the cylindrical portion 1d. The bottom end of the sleeve 3 is provided with an edge portion 3a projecting radially inwardly, and the base portion 1a of the nipple 1 serves as a receiving surface for the edge portion 3a of the sleeve 3. 1a', and a tapered part 1e that widens toward the end is provided between the cylindrical part 1d and the receiving surface 1a'.
e is inclined radially outward from the cylindrical portion 1d toward the receiving surface 1a', and furthermore, a protruding portion 1b that protrudes radially outward is continuous at the top end of the cylindrical portion 1d. The outer diameter Nd of the cylindrical portion 1d is equal to the inner diameter of the hose 4.
Hd, and the inner diameter Sd of the sleeve 3
is the outer diameter Nd of the cylindrical portion 1d and the hose 4
slightly larger than the sum (Nd+2b) of twice the wall thickness b of the protruding portion 1b and slightly smaller than the sum (ND+2b) of the outer diameter ND of the protruding portion 1b and twice the wall thickness b of the hose 4, A hose fitting characterized in that the axial length of the sleeve 3 is slightly smaller than the axial distance between the protruding portion 1b of the nipple 1 and the receiving surface 1a'. 2. The axial length of the tapered portion 1e is 10 to 30% of the axial length of the nipple 1, and the axial length of the sleeve 3 is between the protruding portion 1b of the nipple 1 and the receiving surface 1a'. 80% or more of the axial distance, and the protruding portion 1b of the nipple 1 reaches the cylindrical portion 1d via the radial shoulder 1b''. 3. Hose attachment device according to claim 1 or 2, characterized in that the sleeve 3 is provided with an expanded portion 3c bent radially outward at the top end thereof. Mounting tool. 4. A hose mounting tool according to any one of claims 1 to 3, characterized in that a protrusion 3e acting as a hook is provided on the inner circumferential surface of the sleeve 3. 5. Any one of claims 1 to 4, wherein the protruding portion 1b of the nipple 1 has a straight, cylindrical outer peripheral surface 1b' extending parallel to the central axis 2 of the nipple 1. 6. The hose attachment device according to claim 6. The sleeve 3 is provided with a plurality of through holes 3d, so that it can be confirmed whether the hose 4 is attached to the nipple 1 within the sleeve 3. 7. The hose fitting according to any one of claims 1 to 5, characterized in that the sleeve 3 is clamped by a clamp tool 5. A hose fitting according to any one of claims 1 to 6.8 The edge portion 3a of the sleeve 3 is fitted into the notches 1f, 1f' of the nipple 1, and the seal ring 6 is fitted into the notch 1f, 1f' of the nipple 1. The sleeve 3 is accommodated in notches 1f, 1f', and the widths of the notches 1f, 1f' are selected such that the sleeve 3 can move in the axial direction.
The hose fitting according to any one of items 7 to 7.
JP6217680A 1979-05-08 1980-05-08 Attachment for hose Granted JPS55155992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7903991A SE417005B (en) 1979-05-08 1979-05-08 DEVICE FOR MEASURING A SHELTER LOADING AN ELASTIC PIPE TO A NIPLE OR EQUIVALENT

Publications (2)

Publication Number Publication Date
JPS55155992A JPS55155992A (en) 1980-12-04
JPH0121394B2 true JPH0121394B2 (en) 1989-04-20

Family

ID=20337989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6217680A Granted JPS55155992A (en) 1979-05-08 1980-05-08 Attachment for hose

Country Status (4)

Country Link
JP (1) JPS55155992A (en)
DE (1) DE3017375A1 (en)
GB (1) GB2049856B (en)
SE (1) SE417005B (en)

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Publication number Priority date Publication date Assignee Title
DE8505860U1 (en) * 1985-03-01 1985-07-25 Festo KG, 7300 Esslingen Connection connection for connecting a pneumatic hose to a connection piece
JPH02105689U (en) * 1989-02-10 1990-08-22
DE4003740A1 (en) * 1990-02-08 1991-08-14 Freudenberg Carl Fa HOSE CONNECTION
US5090745A (en) * 1990-08-23 1992-02-25 Itt Corporation Quick-connect connector for plastic tubes
DE9110998U1 (en) * 1991-09-05 1991-10-31 Hewing Gmbh
IT1318197B1 (en) * 2000-07-19 2003-07-28 Valsir Spa CONNECTION DEVICE FOR PIPES, IN PARTICULAR FOR MULTILAYER COMPOSITE PIPES
EP1711733B1 (en) 2004-01-23 2010-09-01 Trans-Matic MFG. Co., Incorporated Compression clamp
US7134696B2 (en) 2004-01-23 2006-11-14 Trans-Matic Mfg. Co., Incorporated Compression cap
DE202004011236U1 (en) * 2004-07-17 2004-09-09 Rehau Ag + Co. Pipe connecting assembly
DE102004034686B3 (en) * 2004-07-17 2006-01-19 Rehau Ag + Co. Pipe connection assembly, pipe assembly with such a pipe connection assembly and sliding sleeve for this pipe connection assembly or for this pipe assembly
JP2006307914A (en) * 2005-04-27 2006-11-09 Ashimori Ind Co Ltd Joint of hose
US8950789B2 (en) 2009-12-18 2015-02-10 Rain Bird Corporation Barbed connection for use with irrigation tubing
US9440250B2 (en) 2009-12-18 2016-09-13 Rain Bird Corporation Pop-up irrigation device for use with low-pressure irrigation systems
US8898876B2 (en) 2011-03-30 2014-12-02 Rain Bird Corporation Barbed fittings, fitting insertion tools and methods relating to same
FR3023349B1 (en) * 2014-07-04 2017-02-10 Sartorius Stedim Fmt Sas FLUIDIC CONNECTOR WITH CRIMPING COLLAR PRE-POSITIONED.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4429669Y1 (en) * 1965-04-17 1969-12-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1064154A (en) * 1911-05-15 1913-06-10 Joseph Miller Hose-coupling.
DE371538C (en) * 1922-02-17 1923-03-16 Eugen Mack Hose connection device for gas and water taps
US1962060A (en) * 1933-10-02 1934-06-05 Jr Charles Franklin Emery Hose connection
US3160428A (en) * 1960-12-06 1964-12-08 Mulconroy Company Hose coupling having a deformed ferrule
JPS4879022U (en) * 1971-12-27 1973-09-28
JPS4888514U (en) * 1972-01-27 1973-10-25
DD111452A1 (en) * 1974-04-17 1975-02-12
CH580778A5 (en) * 1974-08-13 1976-10-15 Oetiker Hans
US4278279A (en) * 1979-06-07 1981-07-14 Zimmerman Harry M Cam-lock fitting

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4429669Y1 (en) * 1965-04-17 1969-12-08

Also Published As

Publication number Publication date
DE3017375A1 (en) 1980-11-20
JPS55155992A (en) 1980-12-04
SE417005B (en) 1981-02-16
GB2049856A (en) 1980-12-31
SE7903991L (en) 1980-11-09
GB2049856B (en) 1983-05-18
DE3017375C2 (en) 1988-12-01

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