CN111853392A - Municipal water supply pipeline, water distribution pipe network and municipal water supply system - Google Patents
Municipal water supply pipeline, water distribution pipe network and municipal water supply system Download PDFInfo
- Publication number
- CN111853392A CN111853392A CN202010592521.6A CN202010592521A CN111853392A CN 111853392 A CN111853392 A CN 111853392A CN 202010592521 A CN202010592521 A CN 202010592521A CN 111853392 A CN111853392 A CN 111853392A
- Authority
- CN
- China
- Prior art keywords
- sealing
- pipe
- water supply
- pipeline
- pipeline body
- 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
Links
Images
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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/02—Methods or layout of installations for water supply for public or like main supply for industrial use
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/02—Public or like main pipe systems
-
- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/165—Flanged joints characterised by the sealing means comprising a viscous mass, e.g. hardenable
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipeline Systems (AREA)
Abstract
The application relates to a municipal water supply pipeline, a water distribution pipe network and a municipal water supply system, and relates to the field of municipal construction, wherein the municipal water supply pipeline comprises a pipeline body, at least two slide rails arranged on the pipeline body and two sealing pipes connected with the slide rails in a sliding manner; the sliding rail is positioned on the outer wall of the pipe orifice of the pipe body and is parallel to the axis of the pipe body; the sealing pipe is coaxial with the pipeline body and is in sealing connection with the pipeline body, and the sealing pipe is in sealing connection with the sealing pipe on the adjacent pipeline body. The application aims at reducing the occurrence of water leakage phenomenon when the municipal water distribution pipe network supplies water.
Description
Technical Field
The application relates to the field of municipal construction, in particular to a municipal water supply pipeline, a water distribution pipe network and a municipal water supply system.
Background
The municipal water supply system is an important module in municipal construction, the function of a water distribution pipe network in the municipal water supply system is particularly important, and the quality of the water distribution pipe network affects the domestic water of thousands of users. When the water distribution pipe network supplies water, the water in the pipeline is in a pressurized state, so the sealing performance of the water distribution pipe network is very important, and the sealing effect of the water distribution pipe network comes from the sealing performance of the municipal pipeline connection part.
Referring to fig. 1, two municipal water supply pipelines are usually connected by flanges, and because the water pressure in a water distribution pipe network is high when a municipal system supplies water, the municipal water supply system is easy to leak water by only connecting the two municipal pipes by flanges.
Disclosure of Invention
In order to reduce the emergence of the phenomenon of leaking when municipal water distribution network feeds water, this application provides a municipal water supply pipeline, water distribution network and municipal water supply system.
First aspect, the application provides a municipal water supply pipeline, adopts following technical scheme:
a municipal water supply pipeline is characterized in that: the pipeline sealing device comprises a pipeline body, at least two sliding rails arranged on the pipeline body and two sealing pipes connected with the sliding rails in a sliding manner;
the sliding rail is positioned on the outer wall of the pipe orifice of the pipeline body and is parallel to the axis of the pipeline body;
the two sealing pipes are respectively distributed at two ends of the pipeline body, the sealing pipes are coaxial with the pipeline body and are in sealing connection with the pipeline body, and the sealing pipes can be in sealing connection with the sealing pipes on the adjacent pipeline bodies.
Through adopting above-mentioned technical scheme, behind pipeline body and the adjacent pipeline body coupling, slide two sealed tubes on two pipeline bodies on the slide rail and come to, and carry out sealing connection with two sealed tubes, two sealed tube coupling backs, the sealed space that two sealed tubes formed surrounds the junction of two pipeline bodies, thereby when two pipeline body junctions leaked, the airtight space that two sealed tubes formed can play certain sealed effect, thereby avoid the further seepage of water, the leakproofness of municipal water supply pipe has been improved.
Preferably: the sealing pipe is connected with the sealing pipe flange on the adjacent pipeline body in a sealing mode.
Through adopting above-mentioned technical scheme, simple easy operation is through with two sealed tube flange joint to the staff of being convenient for opens the sealed tube and overhauls or maintains sealed tube meeting pipeline body junction.
Preferably: the sealing pipe is provided with an annular sealing groove, and a sealing strip is arranged in the sealing groove;
the sealing groove is coaxial with the sealing pipe, and the sealing strip is located between the sealing pipe and the adjacent sealing pipe.
Through adopting above-mentioned technical scheme, adding the sealing strip in the junction of two sealed pipes, further strengthened the leakproofness of two sealed pipe junctions, improved municipal water supply pipe's leakproofness.
Preferably: the sliding rail is provided with at least two threaded holes, the sealing tube is provided with a unthreaded hole, and the sliding rail is in threaded connection with a locking screw rod;
the locking screw penetrates through the unthreaded hole and is connected with the threaded hole.
Through adopting above-mentioned technical scheme, after two sealed tube flange joint accomplished, accessible locking screw fixes the sealed tube on the slide rail, has increased the stability of sealed tube.
Preferably: the sealing pipe is provided with a sealing channel, and sealant is injected into the sealing channel;
the sealing channel is positioned at the sealing connection end of the sealing pipe and the pipeline body, the sealing channel is an interrupted annular channel, and the sealing channel is coaxial with the sealing pipe.
Through adopting above-mentioned technical scheme for the sealed effect further enhancement between sealing tube and the pipeline body, when two pipeline body junctions took place to leak, avoided the further seepage of water in two sealing tubes.
Preferably: a valve is arranged on the sealing pipe;
the valve is communicated with a sealed space formed by the two sealing pipes.
Through adopting above-mentioned technical scheme, whether staff's accessible is opened and close the valve and is observed the junction of two pipeline bodies of inspection and take place to leak, simple and practical easy operation.
Preferably: pressurized water is filled in a sealed space formed by the sealing pipe and the adjacent sealing pipe;
the pressurized water is injected through the valve.
By adopting the technical scheme, pressurized water is filled into the sealing space formed between the two sealing pipes, so that when leakage occurs at the joint of the two pipeline bodies, the filling liquid is favorable for reducing the impact of the leaked water on the sealing pipes.
In a second aspect, the present application provides a water distribution network, which adopts the following technical scheme:
a water distribution network comprises the water supply pipeline.
In a third aspect, the present application provides a municipal water supply system, which adopts the following technical scheme:
a municipal water supply system comprising a water distribution network as described above.
To sum up, the beneficial technical effect of this application does:
1. after the pipeline body is connected with the adjacent pipeline body, the two sealing pipes on the two pipeline bodies slide on the sliding rail and are connected in a sealing mode, the two sealing pipes are connected in a sealing mode, the sealing space formed by the two sealing pipes surrounds the joint of the two pipeline bodies, and therefore when the joint of the two pipeline bodies leaks water, the sealing space formed by the two sealing pipes can play a certain sealing effect, and further leakage of water is avoided.
2. Through having seted up sealed channel on the sealed tube and sealed gluey in sealed channel injection for the sealed effect further enhancement between sealed tube and the pipeline body, when two pipeline body junctions took place to damage, avoided the further seepage of water in two sealed tubes.
Drawings
Fig. 1 is a background art drawing of the present application.
FIG. 2 is a schematic illustration of the construction of the municipal pipeline of an embodiment of the application.
Fig. 3 is a schematic sectional view in the direction of a-a in fig. 2.
Fig. 4 is a partially enlarged schematic view of fig. 3.
FIG. 5 is a partial schematic view of the connection of two municipal pipes in the embodiment of the present application.
Fig. 6 is a schematic sectional view in the direction B-B in fig. 5.
Description of reference numerals: 11. a pipe body; 111. a duct section; 112. a flange portion; 12. a slide rail; 121. a threaded hole; 13. a sealing tube; 131. sealing the groove; 132. a light hole; 133. sealing the channel; 134. filling holes; 14. a sealing strip; 15. locking the screw rod; 16. a valve; 17. and (5) plugging the screw.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses municipal water supply pipeline.
Referring to fig. 2, the municipal water supply pipeline includes a pipeline body 11, at least two slide rails 12 provided on the pipeline body 11, and two sealing pipes 13 slidably connected to the slide rails 12.
Referring to fig. 3 and 4, the pipe body 11 is divided into a pipe portion 111 and flange portions 112 welded to both ends of the pipe portion 111, the pipe portion 111 is perpendicular to the flange portions 112, and when two municipal water supply pipes are connected, the flange portions 112 are flange-connected to the flange portions 112 of the adjacent pipe body 11.
At least two slide rails 12 are fixedly welded on the outer wall of the pipe orifice on the pipe part 111, the slide rails 12 are welded near the flange part 112, and the slide rails 12 are parallel to the axis of the pipe part 111. The number of the slide rails in the figure is three, and the three slide rails 12 can be uniformly distributed along the axis of the pipeline body 11 or non-uniformly distributed.
Two sealing tubes 13 are respectively installed on the slide rails 12 at two openings of the pipeline portion 111, and the sealing tubes 13 are installed on the slide rails 12 and then are hermetically connected with both the pipeline portion 111 and the slide rails 12. When the two seal pipes 13 are attached to the pipe portion 111, the axes of the two seal pipes 13 coincide with the axis of the pipe portion 111.
In order to increase the stability of the sealing pipe 13 on the pipe body 11, at least two threaded holes 121 are formed in each sliding rail 12 along the radial direction of the pipe portion 111, the threaded holes 121 on each sliding rail 12 are uniformly distributed, correspondingly, an unthreaded hole 132 is formed in the side edge of the sealing pipe 13, a locking screw 15 is connected to each sliding rail 12 in a threaded manner, and the locking screw 15 can be connected with the two threaded holes 121 on the sliding rail 12 through the unthreaded hole 132.
When the locking screw 15 is located in two different threaded holes 121 on the slide rail 12, the corresponding state of the sealing pipe 13 on the pipeline body 11 is also different, when the locking screw 15 is located in the threaded hole 121 closer to the flange portion 112, the sealing pipe 13 is in a state of being connectable with other sealing pipes 13, and when the locking screw 15 is located in the threaded hole 121 farther from the flange portion 112, the sealing pipe 13 is in a state of being not connectable with other sealing pipes 13.
When the pipe fitting is installed, the sealing pipe 13 is first installed on the pipe portion 111, the sealing pipe 13 is fixed to the slide rail 12 by the locking screw 15, and then the flange portion 112 is welded to the pipe portion 111.
In order to further improve the sealing performance when the two sealing pipes are connected, a sealing groove 131 is formed in the sealing pipe 13, the sealing groove 131 is located on the end face where the sealing pipe 13 is connected with the other sealing pipes 13, the sealing groove 131 is an annular semi-sealing groove, namely, the two sealing grooves 131 are butted to form a completed annular sealing groove, when the two sealing pipes 13 are butted, sealing strips 14 are arranged in the two sealing grooves 131, and the sealing strips 14 are O-shaped sealing rings. The O-ring is mounted coaxially with the pipe section 111.
In order to improve the sealing performance between the sealing pipe 13 and the pipe body 11, a sealing channel 133 is formed on the sealing pipe 13, the sealing channel 133 is formed along the contact surface between the sealing pipe 13 and the pipe body 11, the sealing channel 133 may be an integral annular channel or an intermittent annular channel, and the sealing channel 133 is coaxial with the sealing pipe 13.
Because the sliding rail 12 is arranged on the pipeline body 11, the sealing channel 133 is divided into three separate channels when opened, a filling hole 134 is opened in the middle of each channel along the radial direction of the sealing pipe 13, and the filling hole 134 is a threaded hole. The plugging screw 17 is arranged in the filling hole 134. After the sealing tube 13 is mounted on the pipe portion 111, the sealant is filled into the sealing channel 133 through the filling hole 134, and after the sealant is filled, the filling hole 134 is plugged by screwing the plugging screw 17 on the position of the filling hole 134.
Referring to fig. 5 and 6, a valve 16 is connected to a side end of one of the sealing pipes 13 on the pipe body 11, a switch is arranged on the valve 16, the valve 16 is communicated with the inside of the sealing pipe 13, after the two municipal water supply pipes are connected, the valve 16 is communicated with a sealing space formed by the two sealing pipes 13, and whether leakage occurs at the joint of the two pipe bodies 11 is detected by opening the valve 16.
After the two pipeline bodies 11 are connected and the two sealing pipes 13 are connected, the valve 16 is opened, the quick coupling is connected to the valve 16, pressurized water is filled into the closed space formed by the two sealing pipes 13 through the valve 16, the pressure of the pressurized water is smaller than the pressure of the water set in the water supply pipeline, and the pressurized water is arranged to buffer the leaked water after the leakage occurs at the connecting part of the pipeline bodies 11, so that the impact of the leaked water on the sealing pipes 13 is reduced.
After the pressurized water is filled, the switch of the valve 16 is closed, when whether the connection part of the two pipeline bodies 11 leaks or not is detected, the valve 16 is slowly opened, if the valve 16 continuously discharges water outwards, the connection part of the pipeline bodies 11 leaks, if the water flow at the valve 16 stops after a period of time, no leakage occurs, and at the moment, the pressurized water is filled into the sealed space formed by the two sealing pipes 13 through the valve 16.
The embodiment of the application also discloses a water distribution pipe network.
The water distribution network comprises a main pipeline, a connecting pipeline, a distribution pipeline and a service pipeline.
The main pipeline adopts the municipal water supply pipeline disclosed by the embodiment.
The method comprises the steps of butt-joint installation of a plurality of water supply pipelines to form a main pipeline, then connecting the interfaces of connecting pipelines at the two ends of the installed main pipeline, installing the connecting pipelines on the main pipeline, connecting distribution pipelines to the connecting pipelines, and finally connecting the connecting pipelines to user connecting pipelines and connecting the user connecting pipelines to the homes of users for use.
The embodiment of the application also discloses a municipal water supply system.
The water distribution pipe network adopts the water distribution pipe network disclosed in the above embodiment.
The municipal water supply system comprises a water source, a water delivery pipe duct, a water plant and a water distribution pipe network, wherein water is taken from the water source, then is sent into the water plant through the water delivery pipe duct to be treated, and then is pressurized and sent to the home of a user through the water distribution pipe network for the user to use.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A municipal water supply pipeline is characterized in that: comprises a pipeline body (11), at least two sliding rails (12) arranged on the pipeline body (11) and two sealing pipes (13) connected with the sliding rails (12) in a sliding way;
the sliding rail (12) is positioned on the outer wall of the pipe orifice of the pipeline body (11), and the sliding rail (12) is parallel to the axis of the pipeline body (11);
two sealed tube (13) distribute respectively the both ends of pipeline body (11), sealed tube (13) with pipeline body (11) are coaxial, just sealed tube (13) with pipeline body (11) sealing connection, sealed tube (13) can be with sealed tube (13) sealing connection on the adjacent pipeline body (11).
2. A municipal water supply pipe according to claim 1, wherein: the sealing pipe (13) is in flange sealing connection with the sealing pipe (13) on the adjacent pipeline body (11).
3. A municipal water supply pipe according to claim 1, wherein: an annular sealing groove (131) is formed in the sealing pipe (13), and a sealing strip (14) is arranged in the sealing groove (131);
the sealing groove (131) is coaxial with the sealing pipe (13), and the sealing strip (14) is located between the sealing pipe (13) and the adjacent sealing pipe (13).
4. A municipal water supply pipe according to claim 1, wherein: the sliding rail (12) is provided with at least two threaded holes (121), the sealing tube (13) is provided with a unthreaded hole (132), and the sliding rail (12) is in threaded connection with a locking screw (15);
the locking screw (15) penetrates through the unthreaded hole (132) and is connected with the threaded hole (121).
5. A municipal water supply pipe according to claim 1, wherein: a sealing channel (133) is formed in the sealing pipe (13), and sealant is injected into the sealing channel (133);
the sealing channel (133) is located at the sealing connection end of the sealing pipe (13) and the pipeline body (11), the sealing channel (133) is an interrupted annular channel, and the sealing channel (133) is coaxial with the sealing pipe (13).
6. A municipal water supply pipe according to claim 5, wherein: a valve (16) is arranged on the sealing pipe (13);
the valve (16) is communicated with a sealed space formed by the two sealing pipes (13).
7. A municipal water supply pipe according to claim 6, wherein: pressurized water is filled in a sealed space formed by the sealing pipe (13) and the adjacent sealing pipe (13);
The pressurized water is injected through the valve (16).
8. A water distribution network comprising a water supply conduit as claimed in any one of claims 1 to 7.
9. A municipal water supply system comprising the municipal water distribution network of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592521.6A CN111853392B (en) | 2020-06-24 | 2020-06-24 | Municipal water supply pipeline, water distribution pipe network and municipal water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592521.6A CN111853392B (en) | 2020-06-24 | 2020-06-24 | Municipal water supply pipeline, water distribution pipe network and municipal water supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111853392A true CN111853392A (en) | 2020-10-30 |
| CN111853392B CN111853392B (en) | 2021-05-28 |
Family
ID=72988363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592521.6A Active CN111853392B (en) | 2020-06-24 | 2020-06-24 | Municipal water supply pipeline, water distribution pipe network and municipal water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111853392B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944101A (en) * | 2021-02-02 | 2021-06-11 | 中国水电基础局有限公司 | Water distribution network repairing device and repairing method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480861A (en) * | 1981-02-18 | 1984-11-06 | Columbus Standard, Inc. | Pipe joint and apparatus therefor |
| CN201348108Y (en) * | 2008-12-02 | 2009-11-18 | 江阴市恒润法兰有限公司 | Flange |
| CN207514440U (en) * | 2017-08-16 | 2018-06-19 | 东莞市盛奇智能设备科技有限公司 | A kind of pipe connecting component on exhaust gas cleaner |
| CN208123692U (en) * | 2018-05-04 | 2018-11-20 | 温州广信工程监理有限公司 | A kind of municipal drain convenient for connection |
| CN208311713U (en) * | 2018-06-05 | 2019-01-01 | 广州永峰机械制造有限公司 | A kind of hydraulic flange of high intensity |
| CN208619908U (en) * | 2018-06-22 | 2019-03-19 | 南京永川混凝土有限公司 | A kind of splicing pipeline of water-impervious |
| CN208900895U (en) * | 2018-08-17 | 2019-05-24 | 中国石油工程建设有限公司华北分公司 | A kind of insulating joint leaks the plugging device with pressure not stopped production |
| CN210179120U (en) * | 2018-12-06 | 2020-03-24 | 中科力创(天津)科技有限公司 | Single-side glue injection sealing flange with leaking stoppage sealing ring |
| CN210179121U (en) * | 2019-07-03 | 2020-03-24 | 曾芳菲 | Pipeline connecting device for water supply and drainage engineering |
| CN110906079A (en) * | 2019-11-28 | 2020-03-24 | 徐州九鼎锻造科技有限公司 | Telescopic flange with wide application range |
-
2020
- 2020-06-24 CN CN202010592521.6A patent/CN111853392B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480861A (en) * | 1981-02-18 | 1984-11-06 | Columbus Standard, Inc. | Pipe joint and apparatus therefor |
| CN201348108Y (en) * | 2008-12-02 | 2009-11-18 | 江阴市恒润法兰有限公司 | Flange |
| CN207514440U (en) * | 2017-08-16 | 2018-06-19 | 东莞市盛奇智能设备科技有限公司 | A kind of pipe connecting component on exhaust gas cleaner |
| CN208123692U (en) * | 2018-05-04 | 2018-11-20 | 温州广信工程监理有限公司 | A kind of municipal drain convenient for connection |
| CN208311713U (en) * | 2018-06-05 | 2019-01-01 | 广州永峰机械制造有限公司 | A kind of hydraulic flange of high intensity |
| CN208619908U (en) * | 2018-06-22 | 2019-03-19 | 南京永川混凝土有限公司 | A kind of splicing pipeline of water-impervious |
| CN208900895U (en) * | 2018-08-17 | 2019-05-24 | 中国石油工程建设有限公司华北分公司 | A kind of insulating joint leaks the plugging device with pressure not stopped production |
| CN210179120U (en) * | 2018-12-06 | 2020-03-24 | 中科力创(天津)科技有限公司 | Single-side glue injection sealing flange with leaking stoppage sealing ring |
| CN210179121U (en) * | 2019-07-03 | 2020-03-24 | 曾芳菲 | Pipeline connecting device for water supply and drainage engineering |
| CN110906079A (en) * | 2019-11-28 | 2020-03-24 | 徐州九鼎锻造科技有限公司 | Telescopic flange with wide application range |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944101A (en) * | 2021-02-02 | 2021-06-11 | 中国水电基础局有限公司 | Water distribution network repairing device and repairing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111853392B (en) | 2021-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111853392B (en) | Municipal water supply pipeline, water distribution pipe network and municipal water supply system | |
| CN104697722A (en) | Pipeline air tightness detection device | |
| CN111594670B (en) | Leak protection pipeline connecting pipe | |
| CN109654315A (en) | A kind of Petrochemical Pipe Joints | |
| CN207018692U (en) | Bell and spigot and pipe network | |
| CN212028804U (en) | Pipeline connection reinforcing and sealing device for jet fire extinguishing device | |
| CN109945003B (en) | Polyolefin drain pipe with FRD double containment detects closed water socket joint immediately | |
| CN112524356A (en) | Double-end socket sealing structure and sealing test method for hollow structure wall winding pipe | |
| CN213017873U (en) | Three-way high platform quick-assembling ball valve | |
| CN108386629A (en) | The method of pipe jointer secondary seal | |
| CN115076476A (en) | Water leakage prevention device for water supply pipeline joint | |
| CN213040019U (en) | Pipeline connecting and sealing device for conveying fluid | |
| CN210196705U (en) | Special water supply connector for large-discharge high-pressure hose | |
| CN210001189U (en) | double-seal-structure pipeline and positive pressure conveying system | |
| CN218671025U (en) | Anti-seepage structure for municipal water supply and drainage pipe | |
| CN207830801U (en) | A kind of irrigation conduit coupling | |
| CN220727428U (en) | Water pipe assembly body tight connection mechanism | |
| CN211599847U (en) | Telescopic insulating joint device | |
| CN220581911U (en) | Water conservancy pipeline connecting device that leakproofness is strong | |
| CN217402068U (en) | Plugging equipment that prefabricated direct-burried insulating tube leakproofness is high | |
| CN220320613U (en) | Sealing structure of three-way connecting piece of leakage-proof plastic pipe | |
| CN218003655U (en) | Generator system test tube for water supply pipeline | |
| CN220291653U (en) | GIL gas sweeps special connecting tube | |
| CN219140080U (en) | Pipeline for municipal water supply engineering | |
| CN203587298U (en) | Pipeline air tightness detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |