CN2709757Y - Steel pipe joint with composite protection coating - Google Patents
Steel pipe joint with composite protection coating Download PDFInfo
- Publication number
- CN2709757Y CN2709757Y CN 200420023949 CN200420023949U CN2709757Y CN 2709757 Y CN2709757 Y CN 2709757Y CN 200420023949 CN200420023949 CN 200420023949 CN 200420023949 U CN200420023949 U CN 200420023949U CN 2709757 Y CN2709757 Y CN 2709757Y
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- CN
- China
- Prior art keywords
- protection coating
- steel pipe
- complex protection
- joint
- pipe joint
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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
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model relates to a steel pipe joint with a composite protection coating which is composed of a joint body. A lumen is arranged in the joint body, conjoined screw threads are arranged at the outer side of the joint body or on the inner wall of the lumen, and the composite protection coating formed by laminating and combining at least three ceramic material glazes is covered on the inner wall of the lumen and the surface of the conjoined screw threads; the joint body is an integrally cast structural joint, or a groove connection joint, or a welded connection joint. The utility model is covered with the composite protection coating at the inner wall of the lumen of the steel pipe joint and on the surface of the combined screw threads, or the composite protection coating is also covered at the end surface of the combined screw thread and the surface of the outer side of the steel pipe joint; the adhesive force of the composite protection coating is high, the surface is hard, nontoxic, waterproofing, acid and alkali proof, heatproof, dirt proof and cleaning proof, the steel pipe joint can be made to prevent corrosion, and the operating life is lengthened; in the applying process of water pipe pipelines, the operating life can lengthen to thirty years; meanwhile, the steel pipe joint with the composite protection coating also conforms to the enactment of the health and the safety, and is especially adapted to use in the pipelines of the feed water equipment and the chemical equipment.
Description
Technical field
The utility model relates to mechanical engineering, relates in particular to metallic pipe coupling, particularly a kind of steel pipe joint with complex protection coating.
Background technique
In the prior art, pipe joint is the main connector element in the pipework, and at present pipe joint has two types of pipe joint that metallic material makes and joint for plastic tubes, and wherein, joint for plastic tube is realized switching by the joint of built-in metal spare in plastics.Because joint for plastic tube spare need connect with the hot melt form, so seem than the pipe joint trouble of pure metal part when installing.Traditional metallic pipe coupling is minimum with the cost of ferrous material, and intensity is big, but as easy as rolling off a log by corrosion, pollutes also relatively more serious.Operating life as galvanized pipe can only be in 20 years.
Summary of the invention
Technical problem of the prior art to be solved in the utility model is: because in the prior art, joint for plastic tube is realized switching by the joint of built-in metal spare in plastics, joint for plastic tube spare need connect with the hot melt form, so seem when installing than the pipe joint trouble of pure metal part, traditional metallic pipe coupling is as easy as rolling off a log by corrosion, pollutes also relatively more serious.Operating life as galvanized pipe can only be in 20 years.
The utility model provides a kind of steel pipe joint with complex protection coating for the technological scheme that solves above-mentioned technical problem of the prior art and adopt; described this steel pipe joint with complex protection coating is made of a fittings body; described fittings body inside is provided with tube chamber; the outside of described fittings body or the inwall of described tube chamber are provided with in conjunction with screw thread; wherein; on the inwall of described tube chamber and describedly be provided with a complex protection coating in conjunction with all covering on the surface of screw thread, described complex protection coating constitutes by at least three pottery glazed layers are superimposed.
Further, cover on the end face of described fittings body and be provided with one second complex protection coating, the described second complex protection coating constitutes by at least three pottery glazed layers are superimposed.
Further, all the thickness with any one remaining pottery glazed layer is identical for the thickness of any one described pottery glazed layer.
Further, described complex protection coating constitutes by four pottery glazed layers are superimposed.
Further, described fittings body is cast inblock structural joint or groove jointing or is welded to connect joint.
Further, described fittings body be connect in two straight coupling or tee union or switching mend core chock plug or elbow bend or 45 ° of elbows or chock plug or two external straight coupling or in switch through joint or flanged ends or union nut or union in connect in recessed or the union and connect male member.
Further, the outer surface of described fittings body covers and to be provided with one the 3rd complex protection coating, and described the 3rd complex protection coating constitutes by at least three pottery glazed layers are superimposed.
The utility model and prior art compare, and its effect is actively with tangible.Steel pipe joint with complex protection coating of the present utility model; because at the lumen wall of steel pipe joint with in conjunction with the surface of screw thread or also have the outer surface of end face and steel pipe joint to cover the complex protection coating is set; the complex protection coating constitutes by at least three pottery glazed layers are superimposed; so the complex protection coating adhesion is strong; surface hard, nontoxic, waterproof, acid resistant alkali, heatproof, bear dirty, anti-cleaning; make steel pipe joint can prevent corrosion; prolonged operating life; in the utilization of water pipe line, operating life can extend to 30 years.Meet simultaneously the safe and sanitary regulation again, and be particularly suitable in the pipeline of feedwater, chemical industry equipment, using.Steel pipe joint with complex protection coating of the present utility model also meets international ISO5922/ISO49/ISO7/1 standard.
Description of drawings
Fig. 1 is the structural representation that of the steel pipe joint with complex protection coating of the present utility model is applied to connect in two the embodiment of straight coupling.
Fig. 2 is a structural representation that is applied to the embodiment of tee union with steel pipe joint of complex protection coating of the present utility model.
Fig. 3 is of the steel pipe joint with complex protection coating of the present utility model be applied to the transfer embodiment's that mends the core chock plug a structural representation.
Fig. 4 is a structural representation that is applied to the embodiment of elbow bend with steel pipe joint of complex protection coating of the present utility model.
Fig. 5 is a structural representation that is applied to the embodiment of 45 ° of elbows with steel pipe joint of complex protection coating of the present utility model.
Fig. 6 is a structural representation that is applied to the embodiment of chock plug with steel pipe joint of complex protection coating of the present utility model.
Fig. 7 is a structural representation that is applied to the embodiment of two external straight couplings with steel pipe joint of complex protection coating of the present utility model.
Fig. 8 is the structural representation that switches through the embodiment of joint in of the steel pipe joint with complex protection coating of the present utility model is applied to.
Fig. 9 is a structural representation that is applied to the embodiment of flanged ends with steel pipe joint of complex protection coating of the present utility model.
Figure 10 is a structural representation that is applied to the embodiment of union nut with steel pipe joint of complex protection coating of the present utility model.
Figure 11 is the structural representation that of the steel pipe joint with complex protection coating of the present utility model is applied to connect in the union recessed embodiment.
Figure 12 is the structural representation that of the steel pipe joint with complex protection coating of the present utility model is applied to connect in the union embodiment of male member.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and shown in Figure 12; steel pipe joint with complex protection coating of the present utility model is made of a fittings body 1; described fittings body 1 inside is provided with tube chamber; the outside 5 of described fittings body 1 or the inwall 2 of described tube chamber are provided with in conjunction with screw thread 6; wherein; on the inwall 2 of described tube chamber and describedly be provided with a complex protection coating 4 in conjunction with all covering on the surface of screw thread 6, described complex protection coating 4 constitutes by at least three pottery glazed layers are superimposed.
Further, cover on the end face 3 of described fittings body 1 and be provided with one second complex protection coating, the described second complex protection coating constitutes by at least three pottery glazed layers are superimposed.
Further, all the thickness with any one remaining pottery glazed layer is identical for the thickness of any one described pottery glazed layer.
Further, described complex protection coating 4 constitutes by four pottery glazed layers are superimposed.
Further, described fittings body 1 is cast inblock structural joint or groove jointing or is welded to connect joint.
Further, described fittings body 1 be connect in two straight coupling or tee union or switching mend core chock plug or elbow bend or 45 ° of elbows or chock plug or two external straight coupling or in switch through joint or flanged ends or union nut or union in connect in recessed or the union and connect male member.
Further, the outside 5 surface coverage of described fittings body 1 are provided with one the 3rd complex protection coating, and described the 3rd complex protection coating constitutes by at least three pottery glazed layers are superimposed.
In embodiment as shown in Figure 1, fittings body 1 is to connect straight coupling in two, and its pipe connects among the tapering figure of screw thread and done the exaggeration expression, the fittings body 1 outer outside 5 that is provided with hexagonal prism structure, and complex protection coating 4 also can not established in 5 surfaces, the outside.Its whole inwalls 2 and end face 3 thereof are all established the complex protection coating 4 of protection usefulness.
The tee union structural drawing that connects in Figure 2 shows that connects screw thread in set being on the joint, is provided with place's outer-hexagonal on the straight-through face of outside at least.Its inwall comprises that screw thread position and end face thereof are equipped with the complex protection coating 4 of protection usefulness, and when connecing screw thread in two places wherein and changing into external connection screw, then this external connection screw position also is provided with complex protection coating 4.Complex protection coating 4 is no longer expressed on drawing.
Chock plug shown in Figure 3 is used for the switching between the different tube diameters.Except that the position of a set outer-hexagonal 5.Connecting thread 6 positions of its inwall, outer wall and end face thereof are equipped with the complex protection coating 4 of protection usefulness.
Fig. 4 connects the structural drawing of elbow bend in being.Its whole inwalls and end face thereof are equipped with the complex protection coating 4 of protection usefulness.The outside is provided with outer-hexagonal so that install.
Fig. 5 is the structural drawing of 45 ° of elbows.Remove axis angle and be outside one's consideration, it is identical with the structure of Fig. 4.
The chock plug of Fig. 6 also is referred to as silently, plug.Cooperate with connecing in other joint, be used to block outlet.Outside four jiaos, connecting thread 6 positions on the internal and external walls and end face thereof are equipped with the complex protection coating 4 of protection usefulness except that it.
Fig. 7 is the structural representation of two external straight couplings.Except that the set outer-hexagonal in middle part, its inside and outside wall and end face thereof are equipped with the complex protection coating 4 of protection usefulness.
Fig. 8 switches through the structural representation of joint in being.Two ends be used for externally the transferring pipe or the external connector of various outer diameter.Except that the outer-hexagonal of peripheral hardware, its inside and outside wall and end face thereof are equipped with the complex protection coating 4 of protection usefulness.
Joint in the flange plate of Fig. 9.Be used for flange end switching with cinclides or large scale caliber.Its inwall and end face thereof are equipped with the complex protection coating 4 of protection usefulness.
Figure 10, Figure 11 and Figure 12 are three structural members of joint of taking over a job in, add that a seal ring promptly constitutes whole external member.Connect in the nut part of Figure 10 and Figure 11 recessed, seal ring, Figure 12 in connect male member combined complete be together in turn.Outside the anise or outer-hexagonal on each part, its whole inside and outside walls and end face thereof are equipped with the complex protection coating 4 of protection usefulness.
The pipe joint series of products is various; comprise with the reducing of tee union, cross fitting, elbow change and in connect the various terminal that external variation produces; all can complex protection coating 4 be set according to the technical solution of the utility model, the steel pipe joint product of this band protection complex protection coating 4 structures all belongs to protection domain of the present utility model.
Compare with composite steel-plastic pipe fitting in the market, the complex protection coating that spraying forms is much thinner than the plastic inner lining layer of composite steel-plastic pipe fitting, compares with the irony joint of similar pipe fitting, and its internal diameter reduces not obvious, and flow is unaffected.Comparatively speaking, the pipe fitting of same specification flow, its boundary dimension is littler than composite steel-plastic pipe fitting
Concrete; described complex protection coating 4, the described second complex protection coating and described the 3rd complex protection coating all can be formed in steel tube surface by the brushing of pottery glaze sprayed on material; described pottery glaze sprayed on material comprises ground-coat enamel and cover-coat enamel; the silicon-containing polymer that cover-coat enamel can adopt three component catalysts to solidify, ground-coat enamel can adopt the phosphate polymer of silica type.
Claims (7)
1; a kind of steel pipe joint with complex protection coating; constitute by a fittings body; described fittings body inside is provided with tube chamber; the outside of described fittings body or the inwall of described tube chamber are provided with in conjunction with screw thread; it is characterized in that: on the inwall of described tube chamber and describedly be provided with a complex protection coating in conjunction with all covering on the surface of screw thread, described complex protection coating constitutes by at least three pottery glazed layers are superimposed.
2; steel pipe joint with complex protection coating as claimed in claim 1; it is characterized in that: cover on the end face of described fittings body and be provided with one second complex protection coating, the described second complex protection coating constitutes by at least three pottery glazed layers are superimposed.
3, the steel pipe joint with complex protection coating as claimed in claim 1 is characterized in that: the thickness of any one the described pottery glazed layer all thickness with any one remaining pottery glazed layer is identical.
4, the steel pipe joint with complex protection coating as claimed in claim 1 is characterized in that: described complex protection coating constitutes by four pottery glazed layers are superimposed.
5, the steel pipe joint with complex protection coating as claimed in claim 1 is characterized in that: described fittings body is cast inblock structural joint or groove jointing or is welded to connect joint.
6; steel pipe joint with complex protection coating as claimed in claim 1 is characterized in that: described fittings body be connect in two straight coupling or tee union or switching mend core chock plug or elbow bend or 45 ° of elbows or chock plug or two external straight coupling or in switch through joint or flanged ends or union nut or union in connect in recessed or the union and connect male member.
7; steel pipe joint with complex protection coating as claimed in claim 1; it is characterized in that: the outer surface of described fittings body covers and is provided with one the 3rd complex protection coating, and described the 3rd complex protection coating constitutes by at least three pottery glazed layers are superimposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023949 CN2709757Y (en) | 2004-06-21 | 2004-06-21 | Steel pipe joint with composite protection coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023949 CN2709757Y (en) | 2004-06-21 | 2004-06-21 | Steel pipe joint with composite protection coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2709757Y true CN2709757Y (en) | 2005-07-13 |
Family
ID=34849370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420023949 Expired - Fee Related CN2709757Y (en) | 2004-06-21 | 2004-06-21 | Steel pipe joint with composite protection coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2709757Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481931A (en) * | 2016-08-30 | 2017-03-08 | 无锡上工搪化工设备有限公司 | A kind of glass-lined equipment mouth of pipe |
| CN113606399A (en) * | 2021-08-18 | 2021-11-05 | 赵夫良 | Pipeline binding section |
-
2004
- 2004-06-21 CN CN 200420023949 patent/CN2709757Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481931A (en) * | 2016-08-30 | 2017-03-08 | 无锡上工搪化工设备有限公司 | A kind of glass-lined equipment mouth of pipe |
| CN113606399A (en) * | 2021-08-18 | 2021-11-05 | 赵夫良 | Pipeline binding section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050713 Termination date: 20130621 |