CN105318117A - Screwed joint - Google Patents
Screwed joint Download PDFInfo
- Publication number
- CN105318117A CN105318117A CN201510664289.1A CN201510664289A CN105318117A CN 105318117 A CN105318117 A CN 105318117A CN 201510664289 A CN201510664289 A CN 201510664289A CN 105318117 A CN105318117 A CN 105318117A
- Authority
- CN
- China
- Prior art keywords
- inipple
- screwed joint
- joint body
- composite coating
- shoulder
- 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
Links
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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention relates to the technical field of marine seawater pipeline equipment, in particular to a screwed joint. The screwed joint comprises a first screwed joint body, a second screwed joint body, a sealing gasket and an outer sleeve nut. The shoulder portion of the first screwed joint body is connected with the second screwed joint body through the outer sleeve nut, and the shoulder portion of the first screwed joint body is provided with a composite coating. The sealing gasket is arranged between the first screwed joint body and the second screwed joint body. The composite coating is added to the surface of the first screwed joint body, and the sealing gasket is arranged between the first screwed joint body and the second screwed joint body, so that the screwed joint has good insulativity and corrosion resistance. A sealing face can be prevented from the phenomenon of electrochemical corrosion, and the condition of the failure of the sealing face is avoided, so that the service life of the screwed joint is prolonged.
Description
Technical field
The present invention relates to seawaterline equipment technical field peculiar to vessel, particularly relate to a kind of inipple.
Background technique
In seawaterline field peculiar to vessel, when the equipment connection with unlike material, because of the difference of material, when medium circulates, there is serious electrolytic corrosion phenomenon at sealing surface place in existing inipple peculiar to vessel, thus cause the situation that occurs that sealing surface lost efficacy.
Summary of the invention
The present invention, by providing a kind of inipple, solves prior art inipple peculiar to vessel at sealing surface place because the technical problem that sealing surface lost efficacy easily appears in electrolytic corrosion.
Embodiments provide a kind of inipple, comprise the first inipple body, the second inipple body, gasket seal and cap nut;
The shoulder of described first inipple body is connected with described second inipple body by described cap nut, and the shoulder of described first inipple body is provided with composite coating;
Described gasket seal is arranged between described first inipple body and described second inipple body.
Preferably, described composite coating is nonmetal composite coating.
Preferably, described composite coating is positioned at the outer surface of described shoulder, end face and internal surface.
Preferably, described first inipple body is flat shoulder grafting head.
Preferably, described flat shoulder grafting head is the flat shoulder grafting head of reducing.
Preferably, described second inipple body is intermediate thread joint or screws in inipple or straight pipe thread joint.
Preferably, the material of described first inipple body and described second inipple body is iron white copper alloy.
One or more technological schemes in the embodiment of the present invention, at least have following technique effect or advantage:
The present invention is by adding composite coating on the surface of the first inipple body, and, between the first inipple body and the second inipple body, gasket seal is set, inipple is made to have good insulating properties and corrosion resistance, the phenomenon occurring electrolytic corrosion at sealing surface place can be prevented, avoid the situation occurring that sealing surface lost efficacy, extend the working life of inipple.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of inipple in the embodiment of the present invention;
Fig. 2 be in the embodiment of the present invention inipple at the enlarged view of A position;
Fig. 3 is the structural representation of inipple when the second inipple body is intermediate thread joint in the embodiment of the present invention;
Fig. 4 is that in the embodiment of the present invention, the second inipple body is the structural representation of inipple when screwing in inipple;
Fig. 5 is the structural representation of inipple when the second inipple body is straight pipe thread joint in the embodiment of the present invention.
Wherein, 1 is the first inipple body, and 11 is composite coating, and 2 is the second inipple body, and 21 is intermediate thread joint, and 22 for screwing in inipple, and 23 is straight pipe thread joint, and 3 is gasket seal, and 4 is cap nut.
Embodiment
For solving prior art inipple peculiar to vessel at sealing surface place because the technical problem that sealing surface lost efficacy easily appears in electrolytic corrosion, the invention provides a kind of inipple, by adding composite coating on the surface of the first inipple body, and, between the first inipple body and the second inipple body, gasket seal is set, inipple is made to have good insulating properties and corrosion resistance, the phenomenon occurring electrolytic corrosion at sealing surface place can be prevented, avoid the situation occurring that sealing surface lost efficacy, extend the working life of inipple.
For making the object of the embodiment of the present invention, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of inipple, as Fig. 1, and shown in inipple enlarged view Fig. 2 in the A position of Fig. 1, this inipple comprises the first inipple body 1, second inipple body 2, gasket seal 3 and cap nut 4.One end of first inipple body 1 is shoulder, and shoulder is used for being connected with the second inipple body 2.Concrete, the shoulder of the first inipple body 1 is connected with the second inipple body 2 by cap nut 4, and the shoulder of the first inipple body 1 is provided with composite coating 11.Gasket seal 3 is arranged between the first inipple body 1 and the second inipple body 2.Wherein, the scope of the latus rectum of the first inipple body 1 and the second inipple body 2 is DN3 ~ DN32.
In this application, composite coating 11 is arranged at the outer surface of the shoulder of the first inipple body 1, end face and internal surface.Composite coating 11 is nonmetal composite coating, and this nonmetal composite coating can select organic material to make.Composite coating 11 is added by the surface of the shoulder at the first inipple body 1, inipple can be made to have good insulating properties and corrosion resistance, and cut off unlike material and connect potential corrosion circuit, the phenomenon occurring electrolytic corrosion at sealing surface place can be prevented, avoid the situation occurring that sealing surface lost efficacy, extend the working life of inipple, the inipple of the application is applicable to boats and ships and similar pipe-line system.
In this application, cap nut 4 is arranged at the joint of the first inipple body 1 and the second inipple body 2.Concrete, the first end that first inipple body 1 is connected with the second inipple body 2 is provided with outside thread, and, the shoulder of the first inipple body 1 is positioned at first end, the second end connected with the first inipple body 1 on second inipple body 2 is same is provided with outside thread, the inner side of cap nut 4 is provided with internal thread, thus, by the cooperation of outside thread and internal thread, cap nut 4 is arranged at the outside of the first inipple body 1 and the second inipple body 2 connection, and the first inipple body 1 and the second inipple body 2 are linked together.Wherein, gasket seal 3 is in the joint of the first inipple body 1 and the second inipple body 2, be arranged between the first inipple body 1 and the second inipple body 2, gasket seal 3 is for sealing the gap between the first inipple body 1 and the second inipple body 2.
In this application, the material of the first inipple body 1 and the second inipple body 2 is BFe30-1-1 iron white copper alloy, and, adopt forging mode to make, not only there is high strength, and anti-corrosion capability is strong.Further, the first inipple body 1 is flat shoulder grafting head, concrete, and this flat shoulder grafting head can be the flat shoulder grafting head of reducing.Second inipple body 2 can be intermediate thread joint 21, can, for screwing in inipple 22, can also be also straight pipe thread joint 23.When the first inipple body 2 is intermediate thread joint 21, the structural representation of the inipple of the application as shown in Figure 3, when the second inipple body 2 is for screwing in inipple 22, the structural representation of the inipple of the application as shown in Figure 4, when the second inipple body 2 is straight pipe thread joint 23, the structural representation of the inipple of the application as shown in Figure 5.
Technological scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
The present invention is by adding composite coating on the surface of the first inipple body, and, between the first inipple body and the second inipple body, gasket seal is set, inipple is made to have good insulating properties and corrosion resistance, the phenomenon occurring electrolytic corrosion at sealing surface place can be prevented, avoid the situation occurring that sealing surface lost efficacy, extend the working life of inipple.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. an inipple, is characterized in that, comprises the first inipple body, the second inipple body, gasket seal and cap nut;
The shoulder of described first inipple body is connected with described second inipple body by described cap nut, and the shoulder of described first inipple body is provided with composite coating;
Described gasket seal is arranged between described first inipple body and described second inipple body.
2. inipple as claimed in claim 1, it is characterized in that, described composite coating is nonmetal composite coating.
3. inipple as claimed in claim 1, is characterized in that, described composite coating is positioned at the outer surface of described shoulder, end face and internal surface.
4. inipple as claimed in claim 1, it is characterized in that, described first inipple body is flat shoulder grafting head.
5. inipple as claimed in claim 4, it is characterized in that, described flat shoulder grafting head is the flat shoulder grafting head of reducing.
6. inipple as claimed in claim 1, is characterized in that, described second inipple body is intermediate thread joint or screws in inipple or straight pipe thread joint.
7. inipple as claimed in claim 1, it is characterized in that, the material of described first inipple body and described second inipple body is iron white copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664289.1A CN105318117A (en) | 2015-10-15 | 2015-10-15 | Screwed joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664289.1A CN105318117A (en) | 2015-10-15 | 2015-10-15 | Screwed joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105318117A true CN105318117A (en) | 2016-02-10 |
Family
ID=55246124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510664289.1A Pending CN105318117A (en) | 2015-10-15 | 2015-10-15 | Screwed joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105318117A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366777A (en) * | 2017-09-20 | 2017-11-21 | 中国船舶重工集团公司第七0三研究所 | A kind of integrated switching three-way valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3744416A1 (en) * | 1987-12-29 | 1989-07-20 | Kyburz Hans | Insulating pipe connection |
| EP1091157A1 (en) * | 1999-10-07 | 2001-04-11 | Valter Zoboli | Dielectric pipe joint, particularly for underground pipes |
| CN1345405A (en) * | 1999-11-30 | 2002-04-17 | 帕克汉尼芬有限公司 | Pipe connector and method for production thereof |
| CN101657668A (en) * | 2006-12-01 | 2010-02-24 | 特纳瑞斯连接股份公司 | Nanocomposite coatings for threaded connections |
| CN202118408U (en) * | 2011-06-13 | 2012-01-18 | 武汉思源船舶配套设备有限公司 | Electric insulation threaded connector for vessel |
| CN103775759A (en) * | 2012-10-19 | 2014-05-07 | 株式会社富士金 | Pipe joint |
| CN204420395U (en) * | 2015-01-26 | 2015-06-24 | 武汉思源船舶配套设备有限公司 | A kind of electric insulation threaded connector for vessel |
-
2015
- 2015-10-15 CN CN201510664289.1A patent/CN105318117A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3744416A1 (en) * | 1987-12-29 | 1989-07-20 | Kyburz Hans | Insulating pipe connection |
| EP1091157A1 (en) * | 1999-10-07 | 2001-04-11 | Valter Zoboli | Dielectric pipe joint, particularly for underground pipes |
| CN1345405A (en) * | 1999-11-30 | 2002-04-17 | 帕克汉尼芬有限公司 | Pipe connector and method for production thereof |
| CN101657668A (en) * | 2006-12-01 | 2010-02-24 | 特纳瑞斯连接股份公司 | Nanocomposite coatings for threaded connections |
| CN202118408U (en) * | 2011-06-13 | 2012-01-18 | 武汉思源船舶配套设备有限公司 | Electric insulation threaded connector for vessel |
| CN103775759A (en) * | 2012-10-19 | 2014-05-07 | 株式会社富士金 | Pipe joint |
| CN204420395U (en) * | 2015-01-26 | 2015-06-24 | 武汉思源船舶配套设备有限公司 | A kind of electric insulation threaded connector for vessel |
Non-Patent Citations (2)
| Title |
|---|
| 天华化工机械及自动化研究设计院: "《工业生产装置的腐蚀与控制》", 31 January 2009 * |
| 徐金仁，张元元: "《船舶管路安装工艺》", 31 January 2010 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366777A (en) * | 2017-09-20 | 2017-11-21 | 中国船舶重工集团公司第七0三研究所 | A kind of integrated switching three-way valve |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160210 |
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| RJ01 | Rejection of invention patent application after publication |