JP2004360922A5 - - Google Patents
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- Publication number
- JP2004360922A5 JP2004360922A5 JP2004271752A JP2004271752A JP2004360922A5 JP 2004360922 A5 JP2004360922 A5 JP 2004360922A5 JP 2004271752 A JP2004271752 A JP 2004271752A JP 2004271752 A JP2004271752 A JP 2004271752A JP 2004360922 A5 JP2004360922 A5 JP 2004360922A5
- Authority
- JP
- Japan
- Prior art keywords
- annular member
- resin tube
- resin
- peripheral surface
- tube
- 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.)
- Granted
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Claims (7)
前記内側環状部材の外周面に前記樹脂製チューブを装着し、前記樹脂製チューブの外周面に前記外側環状部材を装着したチューブ組立体が形成されており、
前記外側環状部材自体の前記樹脂製チューブを押圧する作用により、前記外側環状部材は、前記樹脂製チューブを前記内側環状部材の外周面に押圧しており、前記外側環状部材は、前記樹脂製チューブの外周面の形状に沿って変形しており、
前記チューブ組立体が、前記継手本体の内周面側に装着された状態において、前記樹脂製チューブを挿通した締付部材が前記継手本体に締め付けられていることを特徴とする樹脂製管継手。 A resin pipe joint for connecting a resin tube via a joint body, comprising an inner annular member attached to the joint body, an outer annular member, and a tightening member,
A tube assembly in which the resin tube is mounted on the outer peripheral surface of the inner annular member and the outer annular member is mounted on the outer peripheral surface of the resin tube is formed,
By the action of pressing the resin tube of the outer annular member itself, the outer annular member presses the resin tube against the outer peripheral surface of the inner annular member, and the outer annular member is the resin tube. It is deformed along the shape of the outer peripheral surface of
A resin pipe joint characterized in that, in a state in which the tube assembly is mounted on the inner peripheral surface side of the joint body, a fastening member inserted through the resin tube is fastened to the joint body.
前記締付部材を前記樹脂製チューブに挿通させる前の状態において、前記締付部材の内径のうち、前記樹脂製チューブへの当接部の内径をｄ１、前記樹脂製チューブの外径をｄ２、前記テーパ部の傾斜面と水平面とのなす角度のうち鋭角の側をα（度）とすると、
ｄ１≦ｄ２
３５≦α≦４５
の関係を満足する請求項１に記載の樹脂製管継手。 Of the outer peripheral surface of the inner annular member, a tapered portion is formed on the inlet side of the resin tube, the outer diameter of which increases toward the rear from the tip.
In a state before the fastening member is inserted through the resin tube, among the inner diameters of the fastening member, the inner diameter of the contact portion to the resin tube is d1, the outer diameter of the resin tube is d2, Of the angles formed by the inclined surface of the tapered portion and the horizontal plane, the acute angle side is α (degrees).
d1 ≦ d2
35 ≦ α ≦ 45
The resin pipe joint according to claim 1, wherein the relationship is satisfied.
ｄ３≦ｄ４
の関係を満足する請求項１に記載の樹脂製管継手。 Of the inner diameter of the joint body, d3 is the inner diameter of the mounting portion of the tube assembly, and d4 is the outer diameter of the outer annular member of the tube assembly corresponding to the inner peripheral surface of the joint body. ,
d3 ≦ d4
The resin pipe joint according to claim 1, wherein the relationship is satisfied.
前記内側環状部材の外周面に、前記樹脂製チューブを圧入したチューブ組立体が形成されており、
前記チューブ組立体が、前記継手本体の内周面側に装着された状態において、前記樹脂製チューブを挿通した締付部材が前記継手本体に締め付けられており、
前記内側環状部材の外周面のうち、前記樹脂製チューブの入口側に先端から後方に向かうにつれて外径が大きくなっているテーパ部が形成されており、
前記締付部材を前記樹脂製チューブに挿通させる前の状態において、前記締付部材の内径のうち、前記樹脂製チューブへの当接部の内径をｄ１、前記樹脂製チューブの外径をｄ２、前記テーパ部の傾斜面と水平面とのなす角度のうち鋭角の側をα（度）とすると、
ｄ１≦ｄ２
３５≦α≦４５
の関係を満足することを特徴とする樹脂製管継手。 A resin pipe joint for connecting a resin tube via a joint body, comprising an inner annular member attached to the joint body, and a fastening member,
A tube assembly in which the resin tube is press-fitted is formed on the outer peripheral surface of the inner annular member,
In the state where the tube assembly is mounted on the inner peripheral surface side of the joint body, a fastening member inserted through the resin tube is fastened to the joint body,
Of the outer peripheral surface of the inner annular member, a tapered portion is formed on the inlet side of the resin tube, the outer diameter of which increases toward the rear from the tip.
In a state before the fastening member is inserted through the resin tube, among the inner diameters of the fastening member, the inner diameter of the contact portion to the resin tube is d1, the outer diameter of the resin tube is d2, Of the angles formed by the inclined surface of the tapered portion and the horizontal plane, the acute angle side is α (degrees).
d1 ≦ d2
35 ≦ α ≦ 45
A resin pipe joint characterized by satisfying the relationship
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004271752A JP4271638B2 (en) | 2004-09-17 | 2004-09-17 | Resin pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004271752A JP4271638B2 (en) | 2004-09-17 | 2004-09-17 | Resin pipe fittings |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003007615A Division JP3647438B2 (en) | 2003-01-15 | 2003-01-15 | Joint method for plastic pipe joints |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004360922A JP2004360922A (en) | 2004-12-24 |
| JP2004360922A5 true JP2004360922A5 (en) | 2006-08-17 |
| JP4271638B2 JP4271638B2 (en) | 2009-06-03 |
Family
ID=34056575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004271752A Expired - Fee Related JP4271638B2 (en) | 2004-09-17 | 2004-09-17 | Resin pipe fittings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4271638B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7364412B2 (en) * | 2019-10-04 | 2023-10-18 | 三菱ケミカルインフラテック株式会社 | Connection structure and connection method of pipe fittings and pipes |
-
2004
- 2004-09-17 JP JP2004271752A patent/JP4271638B2/en not_active Expired - Fee Related
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