CN101788091A - Flexible pipe connector for underground hard plastic water supply pipe - Google Patents
Flexible pipe connector for underground hard plastic water supply pipe Download PDFInfo
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- CN101788091A CN101788091A CN 201010125838 CN201010125838A CN101788091A CN 101788091 A CN101788091 A CN 101788091A CN 201010125838 CN201010125838 CN 201010125838 CN 201010125838 A CN201010125838 A CN 201010125838A CN 101788091 A CN101788091 A CN 101788091A
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- rubber ring
- interface
- pipe
- connector
- water supply
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Abstract
The invention provides a flexible pipe connector for underground hard plastic water supply pipe, relating to a constructional member. A rubber ring is added between two connecting pipe connectors for connection, the rubber ring is directly embedded into the connection position of pipe; the pipe bell of the pipe connector thereof is internally provided with a groove, the socket of the pipe connector is externally provided with a groove, the grooves of the pipe bell and the socket are internally provided with a rubber ring, and the socket of the pipe connector is inserted into the underreamed pipe bell of another pipe connector to be in flexible connection. The invention provides a flexible connector UPVC water supply pipeline improvement method which accords with national regulation and is applicable to modern project. The flexible connector rubber ring can well resist earthquake and effectively reduces horizontal and vertical stresses born by underground pipeline under the action of earthquake. The connector can effectively enhance compatness of connector, can improve overall pulling test strength and can improve leakage resistance. Meanwhile corrosion resistance of pipeline can be improved, and safety and reliability of building can be enhanced.
Description
Technical field
The present invention relates to a kind of construction, particularly relate to a kind of underground flexible pipe connector with hard plastic water supply pipe.
Background technique
At the beginning of 20th century the mid-1970s, after the San Fernando earthquake, people just come to realise the significance of lifeline earthquake engineering, feel that earthquake engineering in the past too lays particular stress on structure such as building, bridge, dykes and dams, and beginning is studied the lifeline earthquake engineering with the viewpoint of system.Martin Duke was investigating the engineering earthquake of San Fernando at city transmission system, traffic system, water system and coal gas system that earthquake causes in 1971, and after the influence of the earthquake disaster of these engineering systems (comprising seimic secondary disaster) to urban function, think that these engineering systems have special significance to the economic and social life in city, and propose the definition of lifeline engineering first.The groundwater supply pipeline is as the element of urban lifeline, and except etching problem, maximum natural enemy is earthquake.Earthquake not only directly destroys the normal function of underground utility, and can produce disaster (floods, fire, blast etc.) and bring heavy losses and casualties to national economy.
The research that China carries out the lifeline earthquake engineering is that research work is at that time mainly carried out at underground utility after Tangshan Earthquake and Haicheng City violent earthquake.Mainly concentrate on seimic disaster census in early days, seismatic method for pipeline design and earthquake resistant measure aspect.Show that by previous many earthquake disaster investigation earthquake can do great damage to life line system.Groundwater supply pipe joint joint can produce a kind of stress concentration phenomenon for being rigidly connected under geological process, the crack occurs, finally causes water supply line to lose efficacy and destroys.Underground utility are basic engineering facilities of society, are the elements of urban lifeline, are important steps of the normal operation of urban function, are the very important factors that the aspect must consider of preventing and reducing natural disasters.Earthquake not only directly destroys the normal function of underground pipeline system, but also can cause serious secondary disaster, brings about great losses for the country and people's lives and properties.
Summary of the invention
The object of the present invention is to provide a kind of underground flexible pipe connector with hard plastic water supply pipe.Improve original flexibly connecting two groups of pipeline joints with rubber ring, set up a kind of novel flexible interface.The flexible interface rubber ring can be good at resisting geological process, is reduced in underground utility bore under the geological process level and vertical stress effectively.
The objective of the invention is to be achieved through the following technical solutions:
A kind of underground flexible pipe connector with hard plastic water supply pipe adds rubber ring and connects on two connecting tube interfaces, rubber ring is directly imbedded the jointing of caliber; Be provided with groove in the birdsmouth of its interface tube, the interface peripheral hardware of interface tube is fluted, is equiped with rubber ring in the groove of interface and birdsmouth, and the connecting tube interface inserts to be in the birdsmouth of another connecting tube reaming and flexibly connects shape.
A kind of underground flexible pipe connector with hard plastic water supply pipe adds rubber ring and connects on the hoop shape interface that two connecting tubes insert, rubber ring is directly imbedded the jointing of caliber; Be provided with groove in its interface, two connecting tube interface peripheral hardwares are fluted, are equiped with rubber ring in the groove of two connecting tubes and interface, and two connecting tube interfaces insert relatively to be in the hoop shape interface and flexibly connect shape.
Described a kind of underground flexible pipe connector with hard plastic water supply pipe, the rubber ring that adds on its described two connecting tube interfaces or the hoop shape interface is one or more.
Advantage of the present invention and effect are:
1. the adding of rubber ring can increase the whole displacement capacity of pipe, can alleviate the pipeline axial stress that causes because of temperature effect, and not need to add slip joint, has also reduced the chance of seepage;
2. of the present invention improving one's methods utilized the rubber of flexible material at the pipeline interface place, effectively resist pipeline suffered level and vertical stress in earthquake;
3. the present invention improves one's methods and directly imbeds the jointing of original diameter pipeline with rubber ring, can well increase the seal of pipeline, the good seismic performance of novel flexible interface, and the earthquake rate is relatively low;
4. the novel flexible interface can strengthen the tightness of interface effectively, the anti-leakage ability at reinforced pipe line interface place;
5. novel flexible interface of the present invention is improved one's methods and be can be good at increasing the ductility of water supply line integral body;
6. the novel flexible interface can improve the overall pulling test power of pipeline.
Description of drawings
Fig. 1 is birdsmouth embodiment's 1 an of the present invention three-dimensional generalized section;
Fig. 2 is interface embodiment's 1 an of the present invention three-dimensional generalized section;
Fig. 3 is a pipe structure schematic perspective view of the present invention.
Embodiment
The present invention is described in detail for illustrated embodiment 1 with reference to the accompanying drawings.
Embodiment 1
Be the direct-connected formations of two pipes:
On two connecting tube interfaces, add rubber ring and connect, rubber ring is directly imbedded the jointing of caliber; Be provided with groove in the birdsmouth of its interface tube, the interface peripheral hardware of interface tube is fluted, is equiped with rubber ring in the groove of interface and birdsmouth, and the connecting tube interface inserts to be in the birdsmouth of another connecting tube reaming and flexibly connects shape.
Embodiment 2
Be that two Guan Jiayi hoop formulas constitute:
On the hoop shape interface that two connecting tubes insert, add rubber ring and connect, rubber ring is directly imbedded the jointing of caliber; Be provided with groove in its interface, two connecting tube interface peripheral hardwares are fluted, are equiped with rubber ring in the groove of two connecting tubes and interface, and two connecting tube interfaces insert relatively to be in the hoop shape interface and flexibly connect shape.
The invention provides a kind of flexible interface UPVC (rigid polyvinyl chloride) water supply line modification method that meets national regulation, is applicable to modern project.
Improve original flexibly connecting two groups of pipeline joints with rubber ring, set up a kind of novel flexible interface.The flexible interface rubber ring can be good at resisting geological process, is reduced in underground utility bore under the geological process level and vertical stress effectively.The quality of quality of connection depends on the quality that rubber ring is installed.During connection, socket and bellmouth must be cleaned out, and granule impurity particularly can influence the sealing effect of rubber ring.The water of socket and bellmouth surface attachment must be wiped away after the cleaning dried, in order to avoid the resistance when increasing socket and inserting bellmouth; When rubber ring is put into the bellmouth groove, must insert rubber ring in the groove fully; Before socket is inserted bellmouth, must be with socket over against bellmouth, otherwise when inserting, can cause rubber ring local or break away from the rubber ring groove fully, can't play seal action; When socket inserts bellmouth, application of force palpus balance, otherwise can cause the rubber ring part or break away from the rubber ring groove fully; When installing, straight tube, just can be effective so only need apply one group of pulling force owing to straight tube self symmetry; Elbow and threeway are because self is asymmetric, and two groups of pulling force about must applying are to guarantee the equilibrium of pulling force; Rubber ring should not be reused.Because last time the rubber ring surface may be scratched in the installation process, its sealing effect will reduce greatly; Avoid using elbow, so that reduce reinforcement measure as far as possible; When the straight line pipeline section is installed, must guarantee whole section straightness accuracy, avoid that hydraulic pressure produces extra radial component at interface position because pipeline is not straight; Must lay concrete cushion in the groove, in strict accordance with the quality of designing requirement inspection setting cushion, during as the no related description of design, should initiatively propose to add matting layer, general cushion thickness is no less than 150mm.
Claims (3)
1. a underground flexible pipe connector with hard plastic water supply pipe is characterized in that adding rubber ring and connects on two connecting tube interfaces, rubber ring is directly imbedded the jointing of caliber; Be provided with groove in the birdsmouth of its interface tube, the interface peripheral hardware of interface tube is fluted, is equiped with rubber ring in the groove of interface and birdsmouth, and the connecting tube interface inserts to be in the birdsmouth of another connecting tube reaming and flexibly connects shape.
2. a underground flexible pipe connector with hard plastic water supply pipe is characterized in that adding rubber ring and connects on the hoop shape interface that two connecting tubes insert, and rubber ring is directly imbedded the jointing of caliber; Be provided with groove in its interface, two connecting tube interface peripheral hardwares are fluted, are equiped with rubber ring in the groove of two connecting tubes and interface, and two connecting tube interfaces insert relatively to be in the hoop shape interface and flexibly connect shape.
3. a kind of underground flexible pipe connector with hard plastic water supply pipe according to claim 1 and 2 is characterized in that, the rubber ring that adds on described two connecting tube interfaces or the hoop shape interface is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101258385A CN101788091B (en) | 2010-03-17 | 2010-03-17 | Flexible pipe connector for underground hard plastic water supply pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101258385A CN101788091B (en) | 2010-03-17 | 2010-03-17 | Flexible pipe connector for underground hard plastic water supply pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101788091A true CN101788091A (en) | 2010-07-28 |
| CN101788091B CN101788091B (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101258385A Expired - Fee Related CN101788091B (en) | 2010-03-17 | 2010-03-17 | Flexible pipe connector for underground hard plastic water supply pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101788091B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622474A (en) * | 2012-02-29 | 2012-08-01 | 西南交通大学 | Computer aided design method for water supply pipeline seismic resistance and based on nesting technology |
| CN104863236A (en) * | 2014-02-25 | 2015-08-26 | 林锐志 | Flexible sleeve for plain-wall pipes |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3502356A (en) * | 1967-11-02 | 1970-03-24 | Hancock Brick & Tile Co | Plain end sewer pipes and coupling for same |
| JPH1019178A (en) * | 1996-07-04 | 1998-01-23 | Mitsubishi Plastics Ind Ltd | Pipe joint |
| JPH1068487A (en) * | 1996-08-28 | 1998-03-10 | Asahi Organic Chem Ind Co Ltd | Pipe joint |
| JP2004108462A (en) * | 2002-09-18 | 2004-04-08 | Kubota Corp | Pipe joint for underwater piping |
| US20050001423A1 (en) * | 2003-07-02 | 2005-01-06 | Smail Vila | Spring-loaded 'L'-shaped seal ring |
| CN1978965A (en) * | 2005-12-03 | 2007-06-13 | 万平华 | Pipe piece for connecting thin-wall metal pipe |
| CN101363563A (en) * | 2007-08-06 | 2009-02-11 | 天津万联管道工程有限公司 | Sealing structure of pipe faucet of concrete |
| CN201636468U (en) * | 2010-03-17 | 2010-11-17 | 沈阳建筑大学 | Flexible pipe joint of hard plastic water supply pipe |
-
2010
- 2010-03-17 CN CN2010101258385A patent/CN101788091B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3502356A (en) * | 1967-11-02 | 1970-03-24 | Hancock Brick & Tile Co | Plain end sewer pipes and coupling for same |
| JPH1019178A (en) * | 1996-07-04 | 1998-01-23 | Mitsubishi Plastics Ind Ltd | Pipe joint |
| JPH1068487A (en) * | 1996-08-28 | 1998-03-10 | Asahi Organic Chem Ind Co Ltd | Pipe joint |
| JP2004108462A (en) * | 2002-09-18 | 2004-04-08 | Kubota Corp | Pipe joint for underwater piping |
| US20050001423A1 (en) * | 2003-07-02 | 2005-01-06 | Smail Vila | Spring-loaded 'L'-shaped seal ring |
| CN1978965A (en) * | 2005-12-03 | 2007-06-13 | 万平华 | Pipe piece for connecting thin-wall metal pipe |
| CN101363563A (en) * | 2007-08-06 | 2009-02-11 | 天津万联管道工程有限公司 | Sealing structure of pipe faucet of concrete |
| CN201636468U (en) * | 2010-03-17 | 2010-11-17 | 沈阳建筑大学 | Flexible pipe joint of hard plastic water supply pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622474A (en) * | 2012-02-29 | 2012-08-01 | 西南交通大学 | Computer aided design method for water supply pipeline seismic resistance and based on nesting technology |
| CN104863236A (en) * | 2014-02-25 | 2015-08-26 | 林锐志 | Flexible sleeve for plain-wall pipes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101788091B (en) | 2012-04-11 |
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Granted publication date: 20120411 Termination date: 20140317 |