CN208169716U - A kind of ductile iron pipe with composite anti-corrosive coating - Google Patents
A kind of ductile iron pipe with composite anti-corrosive coating Download PDFInfo
- Publication number
- CN208169716U CN208169716U CN201820653656.7U CN201820653656U CN208169716U CN 208169716 U CN208169716 U CN 208169716U CN 201820653656 U CN201820653656 U CN 201820653656U CN 208169716 U CN208169716 U CN 208169716U
- Authority
- CN
- China
- Prior art keywords
- pipe
- annulus
- limiting slot
- fixedly connected
- ductile iron
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- 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
Links
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 22
- 239000011248 coating agent Substances 0.000 title claims abstract description 18
- 238000000576 coating method Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a kind of ductile iron pipes with composite anti-corrosive coating, are related to ductile iron pipe technical field.The utility model includes first pipe and second pipe, and first pipe is fixedly connected with second pipe by piecing devices；Piecing devices include an annulus；Circle ring inner surface is fixed with connecting tube；Connecting tube week, side was provided with threaded hole；One surface of annulus is provided with the first limiting slot；Annulus is fixedly connected by the first limiting slot with first pipe；One end face of first pipe is fixed with the first stop collar；First pipe inner surface is fixed with the first screw thread positive stop strip；Another surface of annulus is provided with the second limiting slot；Annulus is fixedly connected by the second limiting slot with second pipe；One end face of second pipe is fixed with the second stop collar.The utility model solves the problem of existing spheroidal graphite cast-iron pipe joint structure design is unreasonable, and intensity and adaptability are bad, does not adapt to existing assembly use, influences the normal use of pipeline by the effect of piecing devices.
Description
Technical field
The utility model belongs to ductile iron pipe technical field, more particularly to a kind of spheroidal graphite with composite anti-corrosive coating
Cast iron pipe.
Background technique
Ductile iron pipe is one kind of cast iron pipe.Requiring the nodulizing grade of cast iron pipe to control in quality is 1-3 grades, thus material
Expect that the mechanical performance of itself has obtained preferable improvement, essence, the performance of steel with iron.Ductile iron pipe after annealing,
Metallographic structure is that ferrite adds a small amount of pearlite, and satisfactory mechanical property, antiseptic property is excellent, ductility is good, and sealing effect is good,
Simple to install is mainly used for municipal administration, industrial and mining enterprises' water supply, gas transmission and oil transportation etc..
But the existing spheroidal graphite cast-iron pipe joint structure design with composite anti-corrosive coating is unreasonable, and intensity and adaptability are not
It is good, existing assembly is not adapted to and is used, and the normal use of pipeline is influenced.
Utility model content
The purpose of this utility model is to provide a kind of ductile iron pipes with composite anti-corrosive coating, pass through piecing devices
Effect, solve that the design of existing spheroidal graphite cast-iron pipe joint structure is unreasonable, and intensity and adaptability are bad, do not adapt to existing
Assembly use, the problem of influencing the normal use of pipeline.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions：
The utility model is a kind of ductile iron pipe with composite anti-corrosive coating, including first pipe and second pipe,
The first pipe is fixedly connected with second pipe by piecing devices；The piecing devices include an annulus；In the annulus
Surface is fixed with connecting tube；The connecting tube week, side was provided with threaded hole；
One surface of annulus is provided with the first limiting slot；The annulus connects by the way that the first limiting slot and first pipe are fixed
It connects；One end face of first pipe is fixed with the first stop collar；The first pipe inner surface is fixed with the first screw thread positive stop strip；
Another surface of annulus is provided with the second limiting slot；The annulus connects by the way that the second limiting slot and second pipe are fixed
It connects；One end face of second pipe is fixed with the second stop collar；The second pipe inner surface is fixed with the second screw thread positive stop strip.
Further, one surface of the first limiting slot and one surface engagement of the first stop collar；The connection tube outer surface
It is fixedly connected by threaded hole and the first screw thread positive stop strip with first pipe inner surface.
Further, first stop collar is packer ring；The connecting tube is rubber tube；The first screw thread limit
Position item is rubber water expandable waterstop.
Further, one surface of the second limiting slot and one surface engagement of the second stop collar；The connection tube outer surface
It is fixedly connected by threaded hole and the second screw thread positive stop strip with second pipe inner surface.
Further, second stop collar is packer ring；The second screw thread positive stop strip is rubber water-swellable
Sealing rod.
Further, the threaded hole cross section is equilateral triangle structure；The first screw thread positive stop strip and the second spiral shell
It is equilateral triangle structure that line, which limits sliver transvers section,.
Further, the ring week side surface circumference array has the first limit hole；The annulus by the first limit hole and
Tap bolt is fixedly connected with first pipe；The ring week side surface circumference array has the second limit hole；The annulus passes through the
Two limit holes and tap bolt are fixedly connected with second pipe.
Further, the packer ring is water expandable waterstop.
Further, the connection pipe outside diameter is consistent with first pipe internal diameter；In the connection pipe outside diameter and second pipe
Diameter is consistent.
The utility model has the advantages that：
1, the utility model is by being designed the spheroidal graphite cast-iron pipe joint arrangement with composite anti-corrosive coating, the structure
Simple to use, install convenient effectively prevents pipeline and the problem of spill and leakage causes puzzlement to user occurs.
2, the utility model advantageously accounts for the existing spheroidal graphite with composite anti-corrosive coating by the effect of piecing devices
Cast iron pipe joint unreasonable structural design, intensity and adaptability are bad, do not adapt to existing assembly and use, are influencing pipeline just
The problem of being often used.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of ductile iron pipe with composite anti-corrosive coating of the utility model；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the partial enlarged view in Fig. 2 at B；
Fig. 4 is the structural schematic diagram of annulus and the right view visual angle of connecting tube；
Fig. 5 is the structural schematic diagram at Fig. 4 left view visual angle；
Fig. 6 is the structural schematic diagram of first pipe；
Fig. 7 is the structural schematic diagram of second pipe；
In attached drawing, parts list represented by the reference numerals are as follows：
1- first pipe, 2- second pipe, 3- annulus, 101- the first screw thread positive stop strip, the first stop collar of 102-, 201-
The limit of two screw threads, the second stop collar of 202-, the first limit hole of 301-, the second limit hole of 302-, 303- connecting tube, 304- first are limited
Position slot, the second limiting slot of 305-, 306- threaded hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " aperture ", "upper", "lower", " thickness ", "top",
" in ", " length ", "inner", indicating positions or the positional relationship such as " surrounding ", be merely for convenience of description the utility model and simplification
Description, rather than the component or element of indication or suggestion meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
It please referring to shown in Fig. 1-7, the utility model is a kind of ductile iron pipe with composite anti-corrosive coating, including first
Pipeline 1 and second pipe 2, first pipe 1 are fixedly connected with second pipe 2 by piecing devices；Piecing devices include an annulus
3；3 inner surface of annulus is fixed with connecting tube 303；303 weeks sides of connecting tube are provided with threaded hole 306；
3 one surface of annulus is provided with the first limiting slot 304；Annulus 3 passes through the first limiting slot 304 and the fixed company of first pipe 1
It connects；1 one end face of first pipe is fixed with the first stop collar 102；1 inner surface of first pipe is fixed with the first screw thread positive stop strip 101；
Another surface of annulus 3 is provided with the second limiting slot 305；Annulus 3 is fixed by the second limiting slot 305 and second pipe 2
Connection；2 one end face of second pipe is fixed with the second stop collar 202；2 inner surface of second pipe is fixed with the second screw thread positive stop strip
201。
Wherein as shown in figure 3,304 1 surface of the first limiting slot and 102 1 surface engagement of the first stop collar；Connecting tube 303
Outer surface is fixedly connected by threaded hole 306 and the first screw thread positive stop strip 101 with 1 inner surface of first pipe.
Wherein, the first stop collar 102 is packer ring；Connecting tube 303 is rubber tube；First screw thread positive stop strip 101 is
Rubber water expandable waterstop.
Wherein as shown in figure 3,305 1 surface of the second limiting slot and 202 1 surface engagement of the second stop collar；Connecting tube 303
Outer surface is fixedly connected by threaded hole 306 and the second screw thread positive stop strip 201 with 2 inner surface of second pipe.
Wherein, 202 packer ring of the second stop collar；Second screw thread positive stop strip 201 is rubber water expandable waterstop.
Wherein as shown in figure 3,306 cross section of threaded hole is equilateral triangle structure；First screw thread positive stop strip 101 and second
201 cross section of screw thread positive stop strip is equilateral triangle structure.
Wherein as shown in Figure 1,3 weeks side circumference array of annulus have the first limit hole 301；Annulus 3 passes through the first limit hole
301 and tap bolt be fixedly connected with first pipe 1；3 weeks side circumference array of annulus have the second limit hole 302；Annulus 3 passes through
Second limit hole 302 and tap bolt are fixedly connected with second pipe 2.
Wherein, packer ring is water expandable waterstop.
Wherein as shown in figure 3,303 outer diameter of connecting tube is consistent with 1 internal diameter of first pipe；303 outer diameter of connecting tube and the second pipe
2 internal diameter of road is consistent.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. a kind of ductile iron pipe with composite anti-corrosive coating, including first pipe (1) and second pipe (2), feature exists
In：The first pipe (1) is fixedly connected with second pipe (2) by piecing devices；The piecing devices include an annulus
(3)；Annulus (3) inner surface is fixed with connecting tube (303)；The all sides of the connecting tube (303) are provided with threaded hole (306)；
(3) one surface of annulus is provided with the first limiting slot (304)；The annulus (3) passes through the first limiting slot (304) and first
Pipeline (1) is fixedly connected；(1) one end face of first pipe is fixed with the first stop collar (102)；In the first pipe (1)
Surface is fixed with the first screw thread positive stop strip (101)；
Another surface of the annulus (3) is provided with the second limiting slot (305)；The annulus (3) passes through the second limiting slot (305) and the
Two pipelines (2) are fixedly connected；(2) one end face of second pipe is fixed with the second stop collar (202)；The second pipe (2)
Inner surface is fixed with the second screw thread positive stop strip (201).
2. a kind of ductile iron pipe with composite anti-corrosive coating according to claim 1, which is characterized in that described first
(304) one surface of limiting slot and (102) one surface engagement of the first stop collar；Connecting tube (303) outer surface passes through threaded hole
(306) it is fixedly connected with the first screw thread positive stop strip (101) with first pipe (1) inner surface.
3. a kind of ductile iron pipe with composite anti-corrosive coating according to claim 1, which is characterized in that described first
Stop collar (102) is packer ring；The connecting tube (303) is rubber tube.
4. a kind of ductile iron pipe with composite anti-corrosive coating according to claim 1, which is characterized in that described second
(305) one surface of limiting slot and (202) one surface engagement of the second stop collar；Connecting tube (303) outer surface passes through threaded hole
(306) it is fixedly connected with the second screw thread positive stop strip (201) with second pipe (2) inner surface.
5. a kind of ductile iron pipe with composite anti-corrosive coating according to claim 1, which is characterized in that described second
Stop collar (202) is packer ring.
6. a kind of ductile iron pipe with composite anti-corrosive coating according to claim 1, which is characterized in that the screw thread
Hole (306) cross section is equilateral triangle structure；The first screw thread positive stop strip (101) and the second screw thread positive stop strip (201) are horizontal
Section is equilateral triangle structure.
7. a kind of ductile iron pipe with composite anti-corrosive coating according to claim 1, which is characterized in that the annulus
(3) all sides circumference array has the first limit hole (301)；The annulus (3) by the first limit hole (301) and tap bolt and
First pipe (1) is fixedly connected；The all side circumference array of the annulus (3) have the second limit hole (302)；The annulus (3) is logical
The second limit hole (302) and tap bolt is crossed to be fixedly connected with second pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820653656.7U CN208169716U (en) | 2018-05-04 | 2018-05-04 | A kind of ductile iron pipe with composite anti-corrosive coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820653656.7U CN208169716U (en) | 2018-05-04 | 2018-05-04 | A kind of ductile iron pipe with composite anti-corrosive coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169716U true CN208169716U (en) | 2018-11-30 |
Family
ID=64369766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820653656.7U Expired - Fee Related CN208169716U (en) | 2018-05-04 | 2018-05-04 | A kind of ductile iron pipe with composite anti-corrosive coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242797A (en) * | 2019-05-29 | 2019-09-17 | 远军热能动力科技有限公司 | A kind of metal Pipe joining method and its connector |
-
2018
- 2018-05-04 CN CN201820653656.7U patent/CN208169716U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242797A (en) * | 2019-05-29 | 2019-09-17 | 远军热能动力科技有限公司 | A kind of metal Pipe joining method and its connector |
| CN110242797B (en) * | 2019-05-29 | 2021-05-18 | 远军热能动力科技有限公司 | Connector for metal pipe connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |