CN104565679A - Water delivery pipe with buffering and water blocking functions - Google Patents

Water delivery pipe with buffering and water blocking functions Download PDF

Info

Publication number
CN104565679A
CN104565679A CN201310478562.2A CN201310478562A CN104565679A CN 104565679 A CN104565679 A CN 104565679A CN 201310478562 A CN201310478562 A CN 201310478562A CN 104565679 A CN104565679 A CN 104565679A
Authority
CN
China
Prior art keywords
layer
radial
water blocking
blocking ring
wall
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.)
Pending
Application number
CN201310478562.2A
Other languages
Chinese (zh)
Inventor
杨建彬
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.)
CHANGTIAN PIPELINE Co Ltd
Original Assignee
CHANGTIAN PIPELINE Co Ltd
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 CHANGTIAN PIPELINE Co Ltd filed Critical CHANGTIAN PIPELINE Co Ltd
Priority to CN201310478562.2A priority Critical patent/CN104565679A/en
Publication of CN104565679A publication Critical patent/CN104565679A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/10Sleeveless joints between two pipes, one being introduced into the other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04Coatings characterised by the materials used
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04Coatings characterised by the materials used
    • F16L58/10Coatings characterised by the materials used by rubber or plastics
    • F16L58/1009Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/14Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups

Abstract

The invention discloses a water delivery pipe with the buffering and water blocking functions. The water delivery pipe with the buffering and water blocking functions comprises an inner pipe, an opening component, a protrusion component, a first filling layer, a second filling layer, axial reinforcing ribs, radial rubber ribs, radial reinforcing ribs, an outer wall protection layer, a first water blocking ring, a second water blocking ring, a corrosion resistant coating and a buffering layer, wherein one end of the inner pipe is connected with the opening component, and the other end of the inner pipe is connected with the protrusion component; the buffering layer is arranged on the outer wall of the protrusion component; the first water blocking ring is arranged on the inner wall of the opening component; the second water blocking ring is arranged on the outer wall of the opening component; the corrosion resistant coating is arranged on the surface of the inner wall of the inner pipe; the first filling layer is arranged on the outer side of the inner pipe; the axial reinforcing ribs, the radial rubber ribs and the second filling layer are arranged on the outer side of the first filling layer; the radial reinforcing ribs and the outer wall protection layer are arranged on the outer side of the second filling layer. The two layers of water blocking rings are arranged at the opening end to prevent liquid from leaking; the corrosion resistant coating is arranged in the inner pipe, so that the corrosion influence is reduced; the buffering layer is arranged at the protrusion end, so that the pressure influence in the insertion-connection process is reduced.

Description

There is the conduit pipe of buffering water stop function
Technical field
The present invention relates to the pipeline material that engineering uses, more particularly, relate to a kind of conduit pipe with buffering and water stop function.
Background technique
In existing construction process, often need to carry out pipeline installation, for fields such as Industrial Transport water pipeline, field irrigation, factory's plumbing.Normally used is at present steel pipe, and cost is higher, and cause correlation engineering cost therefore to climb to a higher point, main cause is: the rise of (1) price of steel product causes the increase of cost; (2) reinforcement fabrication cost raises.When adopting artificial assembling reinforcement skeleton, manufacturing efficiency is lower, and the manufacture cycle is longer, easily produces substandard products; When adopting Special Equipment to carry out welding manner fixed installation, reduction in the numbers of seconds while the shortening manufacture cycle, but machinery cost can improve again.If pursue cost to decline, simple use waste pipe and do not carry out mechanics consolidation process, the decline of overall performance can be caused again, larger inconvenience is brought to engineering construction, such as when carrying out front and rear row water pipe and connecting, at interface place easily because the rising of inside water pressure causes seepage, contact with water for a long time and corrosion can be brought to pipeline, adding that the pressure distribution of splicing position is uneven, take the method increasing screw thread or pitch, additional corrosion-resistant composition and increase pressure to solve leakage problems, cost of production can be made to increase considerably.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the conduit pipe with bell and spigot frame that a kind of structure is simple, reasonable in design, with low cost is provided.
Technical purpose of the present invention is achieved by following technical proposals:
There is the conduit pipe of buffering water stop function; comprise interior pipe, opening features, projecting part, the first packed layer, the second packed layer, shaft orientation reinforcing rib, radial rubber reinforcement, radial reinforced rib, outer wall protective layer, the first water blocking ring, the second water blocking ring, corrosion-resistant coating and buffer layer, wherein
One end of described interior pipe is fixedly connected with opening features, and form opening end, the other end is fixedly connected with projecting part, forms protruding terminus; At described projecting part front end edge circumferencial direction, groove is set; Circumferentially buffer layer is fixedly installed at the outer wall of described projecting part; The first water blocking ring is circumferentially fixedly installed at the inwall of described opening features; The second water blocking ring is circumferentially fixedly installed at the outer wall of described opening features;
The inwall circumferential surface of described interior pipe arranges corrosion-resistant coating; Have the first packed layer in the arranged outside of described interior pipe, described first packed layer selects concrete layer or cement layer;
At the arranged outside shaft orientation reinforcing rib of described first packed layer, its two ends are fixedly connected with projecting part with opening features respectively, and described shaft orientation reinforcing rib is the stiffening rib that vertical direction is arranged, and its vertical direction length is consistent with inner tube length;
At the radial rubber reinforcement of the arranged outside of described shaft orientation reinforcing rib, described radial rubber reinforcement is the rubber reinforcement of the equal circumference circumferentially arranged in the horizontal direction, is fixedly connected with shaft orientation reinforcing rib, and is uniformly distributed along vertical direction;
At arranged outside second packed layer of described radial rubber reinforcement and radial reinforced rib, described second packed layer selects concrete layer or cement layer;
The external peripheral surface of described second packed layer is provided with radial reinforced rib, and described radial reinforced rib is the stiffening rib of the equal circumference circumferentially arranged in the horizontal direction, is fixedly connected with, and is uniformly distributed along vertical direction with the second packed layer;
Have outer wall protective layer in the arranged outside of described second packed layer, described outer wall protective layer selects concrete layer or cement layer.
In foregoing invention technological scheme, PVC selected by described interior pipe, and caliber is 800-850mm, and the diameter of overall conduit pipe is 950-1000mm.
In foregoing invention technological scheme, described shaft orientation reinforcing rib selects hot rolled ribbed bars.
In foregoing invention technological scheme, described radial reinforced rib selects hot rolled ribbed bars.
In foregoing invention technological scheme, described radial rubber reinforcement selects ethylene propylene rubber.
In foregoing invention technological scheme, described first water blocking ring selects silicon rubber loop.
In foregoing invention technological scheme, described second water blocking ring selects silicon rubber loop.
In foregoing invention technological scheme, described corrosion-resistant coating selects F-C paint layer or epoxy resin layer, and thickness is 1-3mm.
In foregoing invention technological scheme, described buffer layer selects silastic-layer or ethylene propylene rubber layer, and thickness is 5-10cm.
In foregoing invention technological scheme, described radial rubber reinforcement is uniformly distributed 2-5/meters along vertical direction.
In foregoing invention technological scheme, described radial reinforced rib is uniformly distributed 2-5/meters along vertical direction.
In foregoing invention technological scheme, described first packed layer, the second packed layer and outer wall protective layer select concrete layer or cement layer simultaneously.
In foregoing invention technological scheme, the internal diameter of described opening features and the external diameter of projecting part match, to realize socket connection.
In foregoing invention technological scheme, the groove arranged at described projecting part front end edge circumferencial direction is 2-5.
In foregoing invention technological scheme, lower end surface and the inner pipe wall of described first water blocking ring are fixedly linked.
In foregoing invention technological scheme, the radial width (width namely in the second water blocking ring diametric(al)) of described second water blocking ring is consistent with the radial width (width namely in the second packed layer diametric(al)) of the second packed layer, is filled in the second packed layer to make described second water blocking ring arrange.
In foregoing invention technological scheme; radial width (width namely in buffer layer diametric(al)) and the whole conduit pipe diameter compatible of described buffer layer close; namely buffer layer one end is fixedly connected with the outer wall circumference of described projecting part, and the other end flushes with the outer wall protective layer outer rim of whole conduit pipe.
Compared with prior art, advantage of the present invention is as follows with beneficial effect: use opening end to be convenient to be connected to make adjacent lines with protruding terminus; While use outer wall carries out protecting, increase two-layer packed layer to reinforce inner join strength; Adopt the mode that vertical direction arranges stiffening rib (reinforcing bar), substantially horizontal arranges stiffening rib (reinforcing bar) and rubber simultaneously, to promote the intensity of total; Respectively waterproof ring is set along inner and outer wall at opening end, effectively prevents the fluid seepage of splicing position; At protruding terminus, buffer layer is set, with reduce pressure in grafting process excessive and distribution unbalanced impact; The inwall circumferential surface of interior pipe arranges corrosion-resistant coating, to reduce the impact of flow-induced corrosion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, 1 be wherein opening end, 2 be shaft orientation reinforcing rib for opening features, 3 is the second packed layer, 4 for interior pipe, 5 is the first packed layer, 6,7 be radial rubber reinforcement, 8 be radial reinforced rib, 9 be outer wall protective layer, 10 be projecting part, 11 be protruding terminus, 12 for groove, 13 be the first water blocking ring, 14 for corrosion-resistant coating, 15 be that the second water blocking ring, 16 is for buffer layer.
Embodiment
Technological scheme of the present invention is further illustrated below in conjunction with specific embodiment.
As shown in Figure 1; structural representation of the present invention 1 is wherein opening end, 2 be shaft orientation reinforcing rib for opening features, 3 is the second packed layer, 4 for interior pipe, 5 is the first packed layer, 6,7 be radial rubber reinforcement, 8 be radial reinforced rib, 9 be outer wall protective layer, 10 be projecting part, 11 be protruding terminus, 12 for groove, 13 be the first water blocking ring, 14 for corrosion-resistant coating, 15 be that the second water blocking ring, 16 is for buffer layer.As follows specifically
One end of described interior pipe is fixedly connected with opening features, and form opening end, the other end is fixedly connected with projecting part, forms protruding terminus; At described projecting part front end edge circumferencial direction, groove is set; Circumferentially buffer layer is fixedly installed at the outer wall of described projecting part; The first water blocking ring is circumferentially fixedly installed at the inwall of described opening features; The second water blocking ring is circumferentially fixedly installed at the outer wall of described opening features; Lower end surface and the inner pipe wall of described first water blocking ring are fixedly linked; The radial width (width namely in the second water blocking ring diametric(al)) of described second water blocking ring is consistent with the radial width (width namely in the second packed layer diametric(al)) of the second packed layer, is filled in the second packed layer to make described second water blocking ring arrange; Described buffer layer selects silastic-layer, and thickness is 8cm, and described buffer layer one end is fixedly connected with the outer wall circumference of described projecting part, and the other end flushes with the outer wall protective layer outer rim of whole conduit pipe.
The inwall circumferential surface of described interior pipe arranges corrosion-resistant coating, and described corrosion-resistant coating selects F-C paint layer, and thickness is 3mm; Have the first packed layer in the arranged outside of described interior pipe, described first packed layer selects concrete layer or cement layer.
At the arranged outside shaft orientation reinforcing rib of described first packed layer, its two ends are fixedly connected with projecting part with opening features respectively, and described shaft orientation reinforcing rib is the stiffening rib that vertical direction is arranged, and its vertical direction length is consistent with inner tube length.
At the radial rubber reinforcement of the arranged outside of described shaft orientation reinforcing rib, described radial rubber reinforcement is the equal circumference rubber reinforcement circumferentially arranged in the horizontal direction, is fixedly connected with shaft orientation reinforcing rib, and is uniformly distributed 5/meter along vertical direction; At arranged outside second packed layer of described radial rubber reinforcement and radial reinforced rib, described second packed layer selects cement layer.
The external peripheral surface of described second packed layer is provided with radial reinforced rib, and described radial reinforced rib is the stiffening rib of the equal circumference circumferentially arranged in the horizontal direction, is fixedly connected with the second packed layer, and is uniformly distributed 5/meter along vertical direction.
Have outer wall protective layer in the arranged outside of described second packed layer, cement layer selected by described outer wall protective layer.
PVC selected by described interior pipe, and caliber is 850mm, and the diameter of overall conduit pipe is 1000mm.Described shaft orientation reinforcing rib selects hot rolled ribbed bars.Described radial reinforced rib selects hot rolled ribbed bars.Described radial rubber reinforcement selects ethylene propylene rubber.Described first water blocking ring selects silicone rubber.Described second water blocking ring selects silicone rubber.The internal diameter of described opening features and the external diameter of projecting part match, to realize socket connection.The groove arranged at described projecting part front end edge circumferencial direction is 2.
Compared with prior art, advantage of the present invention is as follows with beneficial effect: use opening end to be convenient to be connected to make adjacent lines with protruding terminus; While use outer wall carries out protecting, increase two-layer packed layer to reinforce inner join strength; Adopt the mode that vertical direction arranges stiffening rib (reinforcing bar), substantially horizontal arranges stiffening rib (reinforcing bar) and rubber simultaneously, to promote the intensity of total; Respectively waterproof ring is set along inner and outer wall at opening end, effectively prevents the fluid seepage of splicing position; At protruding terminus, buffer layer is set, with reduce pressure in grafting process excessive and distribution unbalanced impact; The inwall circumferential surface of interior pipe arranges corrosion-resistant coating, to reduce the impact of flow-induced corrosion.
Above to invention has been exemplary description; should be noted that; when not departing from core of the present invention, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection scope of the present invention.

Claims (10)

1. there is the conduit pipe of buffering water stop function, it is characterized in that, comprise interior pipe, opening features, projecting part, the first packed layer, the second packed layer, shaft orientation reinforcing rib, radial rubber reinforcement, radial reinforced rib, outer wall protective layer, the first water blocking ring, the second water blocking ring, corrosion-resistant coating and buffer layer, one end of wherein said interior pipe is fixedly connected with opening features, and the other end is fixedly connected with projecting part; At described projecting part front end edge circumferencial direction, groove is set; Circumferentially buffer layer is fixedly installed at the outer wall of described projecting part; The first water blocking ring is circumferentially fixedly installed at the inwall of described opening features; The second water blocking ring is circumferentially fixedly installed at the outer wall of described opening features; The inwall circumferential surface of described interior pipe arranges corrosion-resistant coating; The first packed layer is had in the arranged outside of described interior pipe; At the arranged outside shaft orientation reinforcing rib of described first packed layer, its two ends are fixedly connected with projecting part with opening features respectively, and described shaft orientation reinforcing rib is the stiffening rib that vertical direction is arranged, and its vertical direction length is consistent with inner tube length; At the radial rubber reinforcement of the arranged outside of described shaft orientation reinforcing rib, described radial rubber reinforcement is the rubber reinforcement of the equal circumference circumferentially arranged in the horizontal direction, is fixedly connected with shaft orientation reinforcing rib, and is uniformly distributed along vertical direction; At arranged outside second packed layer of described radial rubber reinforcement and radial reinforced rib; The external peripheral surface of described second packed layer is provided with radial reinforced rib, and described radial reinforced rib is the stiffening rib of the equal circumference circumferentially arranged in the horizontal direction, is fixedly connected with, and is uniformly distributed along vertical direction with the second packed layer; Outer wall protective layer is had in the arranged outside of described second packed layer.
2. the conduit pipe with buffering water stop function according to claim 1, it is characterized in that, PVC selected by described interior pipe, and caliber is 800-850mm, and the diameter of overall conduit pipe is 950-1000mm.
3. the conduit pipe with buffering water stop function according to claim 1, it is characterized in that, described shaft orientation reinforcing rib selects hot rolled ribbed bars, and described first packed layer is concrete layer or cement layer; Described second packed layer is concrete layer or cement layer; Described outer wall protective layer is concrete layer or cement layer.
4. the conduit pipe with buffering water stop function according to claim 1, it is characterized in that, described radial reinforced rib selects hot rolled ribbed bars, and described radial reinforced rib is uniformly distributed 2-5/meters along vertical direction.
5. the conduit pipe with buffering water stop function according to claim 1, it is characterized in that, described radial rubber reinforcement selects ethylene propylene rubber, and described radial rubber reinforcement is uniformly distributed 2-5/meters along vertical direction.
6. the conduit pipe with buffering water stop function according to claim 1, it is characterized in that, described corrosion-resistant coating selects F-C paint layer or epoxy resin layer, and thickness is 1-3mm.
7. the conduit pipe with buffering water stop function according to claim 1, it is characterized in that, lower end surface and the inner pipe wall of described first water blocking ring are fixedly linked, and described first water blocking ring is silicon rubber loop.
8. the conduit pipe with buffering water stop function according to claim 1, it is characterized in that, the radial width of described second water blocking ring is consistent with the radial width of the second packed layer, and described second water blocking ring is silicon rubber loop.
9. the conduit pipe with buffering water stop function according to claim 1; it is characterized in that; described buffer layer selects silastic-layer or ethylene propylene rubber layer; thickness is 5-10cm; described buffer layer one end is fixedly connected with the outer wall circumference of described projecting part, and the other end flushes with the outer wall protective layer outer rim of whole conduit pipe.
10. the conduit pipe with buffering water stop function according to claim 1, it is characterized in that, the internal diameter of described opening features and the external diameter of projecting part match, and the groove arranged at described projecting part front end edge circumferencial direction is 2-5.
CN201310478562.2A 2013-10-14 2013-10-14 Water delivery pipe with buffering and water blocking functions Pending CN104565679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310478562.2A CN104565679A (en) 2013-10-14 2013-10-14 Water delivery pipe with buffering and water blocking functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310478562.2A CN104565679A (en) 2013-10-14 2013-10-14 Water delivery pipe with buffering and water blocking functions

Publications (1)

Publication Number Publication Date
CN104565679A true CN104565679A (en) 2015-04-29

Family

ID=53082407

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310478562.2A Pending CN104565679A (en) 2013-10-14 2013-10-14 Water delivery pipe with buffering and water blocking functions

Country Status (1)

Country Link
CN (1) CN104565679A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105782598A (en) * 2016-04-14 2016-07-20 南通德瑞森复合材料有限公司 Soundproof fiber reinforced plastic pipeline
CN105805427A (en) * 2016-04-13 2016-07-27 成都格瑞思文化传播有限公司 Water conservancy water pipe facility
CN106640858A (en) * 2016-12-13 2017-05-10 大连凯泓科技有限公司 Spiral focused flow speed-increasing anti-sedimentation liquid flow tube
CN108253204A (en) * 2016-12-28 2018-07-06 北京市水利规划设计研究院 Pipeline and its component
CN113309932A (en) * 2021-07-01 2021-08-27 杨晓静 Agricultural water conservancy irrigation water service pipe

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805427A (en) * 2016-04-13 2016-07-27 成都格瑞思文化传播有限公司 Water conservancy water pipe facility
CN105782598A (en) * 2016-04-14 2016-07-20 南通德瑞森复合材料有限公司 Soundproof fiber reinforced plastic pipeline
CN106640858A (en) * 2016-12-13 2017-05-10 大连凯泓科技有限公司 Spiral focused flow speed-increasing anti-sedimentation liquid flow tube
CN108253204A (en) * 2016-12-28 2018-07-06 北京市水利规划设计研究院 Pipeline and its component
CN108253204B (en) * 2016-12-28 2024-04-05 北京市水利规划设计研究院 Pipeline and assembly thereof
CN113309932A (en) * 2021-07-01 2021-08-27 杨晓静 Agricultural water conservancy irrigation water service pipe

Similar Documents

Publication Publication Date Title
CN104565679A (en) Water delivery pipe with buffering and water blocking functions
CN102588684B (en) A kind of Novel fiber reinforced plastic concrete composite pipe
CN203878712U (en) Municipal drain pipe
CN204962055U (en) Dual protection drain pipe
CN203533090U (en) Water delivery pipe with buffering and water blocking functions
CN203532999U (en) Drainage pipe with corrosion resistant inner lining layer
CN203533030U (en) Water drainage pipe with waterproof ring
CN203532997U (en) Drainage pipe with double-layer reinforced structure
CN204266266U (en) Novel mud discharging device
CN104565575A (en) Drainage pipe with corrosion resistant inner lining layer
CN104565571A (en) Drainage pipe with double-layer reinforced structure
CN104565625A (en) Drain pipe with waterproof ring
CN202969550U (en) Fiberglass reinforced plastic pipe (RPMP)
CN104452816A (en) High-stiffness leakage-proof plastic inspection well and production method thereof
CN104565572A (en) Water conveying pipe embedded with rubber prestressed structure and corrosion-resistant coating structure
CN104565580A (en) Water delivery pipe with insertion-connection structure
CN203533003U (en) Water delivery pipe with insertion-connection structure
CN203671049U (en) Water pipe of full corrosion-resistant coating structure
CN203532998U (en) Water conveying pipe of embedded rubber prestressed structure and anti-corrosion coating structure
CN104179239A (en) Integral glass fiber reinforced plastic inspection well
CN210661703U (en) Embedded steel cylinder type reinforced concrete drain pipe
CN203533000U (en) Water conveying pipe embedded in rubber protection structure
CN203641701U (en) Lightweight concrete protective wall combined water charging and discharging pipeline
CN104565573A (en) Water conveying pipe with fully-corrosion-resistant coating structure
CN204004929U (en) A kind of flanged pipe cuff structure connecting for corrugated steel culvert

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150429