CN2637866Y - Insertion type pipe adapter - Google Patents
Insertion type pipe adapter Download PDFInfo
- Publication number
- CN2637866Y CN2637866Y CN 03284881 CN03284881U CN2637866Y CN 2637866 Y CN2637866 Y CN 2637866Y CN 03284881 CN03284881 CN 03284881 CN 03284881 U CN03284881 U CN 03284881U CN 2637866 Y CN2637866 Y CN 2637866Y
- Authority
- CN
- China
- Prior art keywords
- pipe joint
- sealing ring
- elastic sealing
- hole enlargement
- pipe
- 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 - Fee Related
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Abstract
The utility model relates to an adapting from pipe joint comprising a hole enlarging head which is arranged at one end of the pipe and allowable for another pipe with the same diameter inserting. An elastic sealing ring and steps used for preventing the end of the pipe with the same diameter inserted into the hole enlarging head from moving radially are arranged on the inner peripheral face at the middle part of the hole enlarging head. The quite good seal can be realized by the elastic sealing ring and the problem that the pipe joint is damaged caused by the undulation of the land surface.
Description
Technical field:
The utility model relates to a kind of connecting pipeline that is used for, and particularly is suitable for the spigot and socket type pipe joint that major diameter steel pipeline connects.
Background technique:
In laying, adopt rigidly connected modes such as welding or flange for the conveyance fluid pipeline of major diameter or big flow between two pipes usually.The termination that welding process connect to be about to two identical calibers is connected together by the mode of weld seam, and must weld at the scene, so bring certain difficulty to construction; And flange connects, be that two ends with pipe are welded with prefabricated flange plate respectively, flange plate is provided with a plurality of pre-manufactured holes, when connecting, must the hole on two flange plate is corresponding, yet, want the correspondence one by one that the hole on the flange plate is very accurate for large-size pipe, process with difficulties, and if if the hole has deviation slightly, bring certain difficulty to connection.In addition; though above-mentioned two kinds of Placements are comparatively robust in form; but; because regular meeting fluctuateed when the face of land was subjected to influencing of factor such as meteorology; and this fluctuation brings powerful local moment of torsion to the face of land; occur in the zone of laying pipeline as face of land fluctuation, this moment of torsion very easily causes the position that is rigidly connected of delivery line to rupture.
In fact, for overcoming the harm that ground surface fluctuates and brings to delivery line, flexibly connect instead and can address this problem as long as will be rigidly connected, what the name of announcing as CN1421636A was called " great-flow rate composite pipe coupling union " employing is exactly similar mode.This coupling union becomes horn-like with the first pipeline port expanding, and be provided with O-ring seal at its outer circumferential face, when the second pipeline end inserts or is screwed in trumpet-shaped mouthful, can form a guide cylinder face, can solve to a certain extent because of the connection part generation breakage problem of face of land fluctuation to delivery line.But as connection pipe fitting, its structure should be tried one's best simply, and any unnecessary parts can cause its cost to improve, and this kind coupling union has adopted a plurality of optional features; Secondly, the rotation surplus of this kind coupling union between connecting tube is less relatively, causes to resist the bigger fluctuation in surface, so it fails fundamentally to solve the connection part breakage problem.
Generally speaking, for big flow fluid delivery pipeline, the particularly pipeline that constitutes by steel pipe, up to the present, also do not find the connector element that can address the above problem simultaneously.
Summary of the invention:
Task of the present utility model provides the spigot and socket type pipe joint that a kind of structure of utilizing spigot and socket type links together two pipes and can realize fine sealing.
The spigot and socket type pipe joint that the utility model proposed, have that be arranged on tube end and allow another root indentical tube to insert a hole enlargement head, elastic sealing ring is installed on the inner peripheral surface in hole enlargement centriciput zone and is used to hinder the step that the end that is inserted into the indentical tube in the hole enlargement head moves radially.When hole enlargement is installed on the pipe joint, particularly can be welded with pipe joint in its end for steel pipe fittings, another root indentical tube can insert in this hole enlargement head, and realize the sealing at two pipe joint positions by elastic sealing ring, limit the radial displacement of pipe end simultaneously with step, thereby assurance also is unlikely to allow pipe joint damage when sealing.
The inner peripheral surface of described hole enlargement head and near the level and smooth projection that is provided with the elastic sealing ring to tilt towards the direction of inserting pipe fitting is being installed, and elastic sealing ring is not having can to exceed the external diameter that is inserted into pipe under the external force effect.
Distance between the outer wall of described step and insertion caliber is less than 2 centimetres.
Described elastic sealing ring is not having can to exceed the external diameter that is inserted into pipe under the external force effect.
The spigot and socket type pipe joint that the utility model proposed when connecting, need only insert the end of a pipe in the hole enlargement head of another root pipe and can realize that two pipes connect, so its site operation is convenient especially; In the hole enlargement head, be provided with simultaneously when tubular axis when inserting and the mode by extruding realize the elastic sealing ring that seals, so the effect of its sealing is good especially; In addition, in the hole enlargement head of this pipe joint, also be provided with step, this step can solve on the one hand because of face of land fluctuation causes pipe joint and damage problem, can limit on the other hand to be inserted into that pipe fitting is radially excessive in it moves, to guarantee that pipe joint can not damage because of the lateral extrusion of pipe fitting.
Description of drawings:
Accompanying drawing 1 is an embodiment's of the utility model a cross-sectional view.
Embodiment:
Referring to Fig. 1, the spigot and socket type pipe joint that the utility model proposed has an end with pipe fitting 2 and is connected as a single entity or welds thereon hole enlargement 1, the other end 11 internal diameters 11 of this hole enlargement 1 are slightly larger than the external diameter that is inserted into pipe fitting 3, its central region 12 depressions, and an elastic sealing ring 13 of being made by materials such as rubber or rubber is installed within it and near the front portion of hole enlargement 1, and this elastic sealing ring 13 is not having to exceed the external diameter that is inserted into pipe fitting 3 under the external force effect, so that it can reach sealing better.To insert pipe fitting 3 and in hole enlargement 1, big relatively angular turn is arranged in order to hinder, be provided with external diameter with pipe fitting 3 near near pipe fitting 2 ends greater than nearly about 2 centimetres step 14 in hole enlargement 1.Because pipe fitting 3 is in inserting hole enlargement 1 time, elastic sealing ring 13 is produced the active force towards direction of insertion, in order to make elastic sealing ring 13 under the effect of this power, be unlikely to damage, so, also be provided with towards the level and smooth projection 15 of the direction inclination of inserting pipe fitting 3 in the central region of elastic sealing ring 13.
Claims (4)
1, a kind of spigot and socket type pipe joint, it is characterized in that: this pipe joint has that be arranged on tube end and allow another root indentical tube to insert a hole enlargement head, elastic sealing ring is installed on the inner peripheral surface in hole enlargement centriciput zone and is used to hinder the step that the end that is inserted into the indentical tube in the hole enlargement head moves radially.
2, spigot and socket type pipe joint according to claim 1 is characterized in that: the inner peripheral surface of described hole enlargement head and near the level and smooth projection that is provided with the elastic sealing ring to tilt towards the direction of inserting pipe fitting is being installed.
3, spigot and socket type pipe joint according to claim 1 is characterized in that: the distance between the outer wall of described step and insertion caliber is less than 2 centimetres.
4, spigot and socket type pipe joint according to claim 1 and 2 is characterized in that: described elastic sealing ring is not having can to exceed the external diameter that is inserted into pipe under the external force effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284881 CN2637866Y (en) | 2003-08-29 | 2003-08-29 | Insertion type pipe adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284881 CN2637866Y (en) | 2003-08-29 | 2003-08-29 | Insertion type pipe adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2637866Y true CN2637866Y (en) | 2004-09-01 |
Family
ID=34303950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03284881 Expired - Fee Related CN2637866Y (en) | 2003-08-29 | 2003-08-29 | Insertion type pipe adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2637866Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931244A (en) * | 2015-12-29 | 2017-07-07 | 天津市久盛通达钢管科技有限公司 | Spigot-and-socket steel pipe and its processing method |
-
2003
- 2003-08-29 CN CN 03284881 patent/CN2637866Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931244A (en) * | 2015-12-29 | 2017-07-07 | 天津市久盛通达钢管科技有限公司 | Spigot-and-socket steel pipe and its processing method |
| CN106931244B (en) * | 2015-12-29 | 2018-10-30 | 天津市久盛通达钢管科技有限公司 | Spigot-and-socket steel pipe and its processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040901 Termination date: 20110829 |