CN103968168A - Welding neck flange - Google Patents
Welding neck flange Download PDFInfo
- Publication number
- CN103968168A CN103968168A CN201410226270.4A CN201410226270A CN103968168A CN 103968168 A CN103968168 A CN 103968168A CN 201410226270 A CN201410226270 A CN 201410226270A CN 103968168 A CN103968168 A CN 103968168A
- Authority
- CN
- China
- Prior art keywords
- flange plate
- pipe
- welding neckflange
- torticollis
- band neck
- 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
- 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
- F16L23/02—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
- F16L23/026—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 by welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding neck flange which comprises a flange plate, a convex block, an inclined neck pipe and a straight neck pipe. The convex block is arranged at the bottom of the flange plate, the convex block surrounds the edge of an inner hole of the flange plate, the inclined neck pipe is arranged above the flange plate, the straight neck pipe is arranged above the inclined neck pipe, a plurality of installation holes for fixing bolts are distributed in the flange plate uniformly, the connection portion of the flange plate and the inclined neck pipe is provided with a first fillet, and the outer ring of the straight neck pipe is provided with a second fillet. The welding neck flange is simple in structure, reasonable in design, high in strength and durability and good in use effect.
Description
Technical field
The present invention relates to a kind of flange, be specifically related to a kind of band neck welding neckflange.
Background technique
Flange is again flange plate or bead.Flange be make pipe and pipe and and the interconnective part of valve, be connected in pipe end.Perforation on flange, bolt is close to two flanges.Between flange, seal with liner.
The flange plate structure using in prior art is mostly and is provided with corner angle, in use easily operator is caused to scuffing, and using process Security is relatively low, and the intensity of flange itself is general, as easy as rolling off a log damage, and serviceability is poor.
Summary of the invention
The object of the present invention is to provide one simple in structure, reasonable in design, and intensity own is high, serviceability is strong, the band neck welding neckflange that using effect is good.
Technological scheme of the present invention is, a kind of band neck welding neckflange, described band neck welding neckflange comprises flange plate, projection, torticollis pipe and straight neck tube, described projection is arranged at described flange plate bottom, and projection is looped around the endoporus edge of flange plate, described torticollis pipe is arranged at described flange plate top, described straight neck tube is arranged at described torticollis pipe top, on described flange plate, be uniformly distributed and be provided with multiple fixing bolt mounting holes, described flange plate and described torticollis pipe joint are provided with the first chamfering, and described straight neck tube is provided with the second chamfering on outer ring.
In a preferred embodiment of the present invention, the first chamfering that described flange plate and described torticollis pipe joint arrange is arc round angle.
In a preferred embodiment of the present invention, the radius of described arc round angle is 10mm.
In a preferred embodiment of the present invention, on described straight neck tube, the bevel edge of the second chamfering is horizontal by 37.5 ° of angles.
In a preferred embodiment of the present invention, the outer diameter size of described torticollis pipe and flange plate joint is less than the outer diameter size of projection.
In a preferred embodiment of the present invention, described fixing bolt is arranged between the edge of described flange plate and the edge of described projection with mounting hole.
In a preferred embodiment of the present invention, described band neck welding neckflange is symplex structure.
In a preferred embodiment of the present invention, described band neck welding neckflange is structure as a whole.
Of the present invention is a kind of band neck welding neckflange, and the present invention is simple in structure, reasonable in design, and intensity own is high, and serviceability is strong, and using effect is good.
Brief description of the drawings
Fig. 1 is the sectional view with neck welding neckflange in a preferred embodiment of the present invention;
In accompanying drawing, each mark is as follows: 1, flange plate, 2, projection, 3, torticollis pipe, 4, straight neck tube, 5, mounting hole, 6, the first chamfering, 7, the second chamfering.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Of the present invention is a kind of band neck welding neckflange, shown in Figure 1, described band neck welding neckflange comprises flange plate 1, projection 2, torticollis pipe 3 and straight neck tube 4, described projection 2 is arranged at described flange plate 1 bottom, and projection 2 is looped around the endoporus edge of flange plate 1, described torticollis pipe 3 is arranged at described flange plate 1 top, described straight neck tube 4 is arranged at described torticollis pipe 3 tops, on described flange plate 1, be uniformly distributed and be provided with multiple mounting holes 5 for fixing bolt, described flange plate 1 is provided with the first chamfering 6 with described torticollis pipe 3 joints, described straight neck tube is provided with the second chamfering 7 on 4 outer rings.
Further, described flange plate 1 is arc round angle with the first chamfering 6 that described torticollis pipe 3 joints arrange.
Further, the radius of described arc round angle is 10mm.
Further, on described straight neck tube 4 bevel edge of the second chamfering 7 horizontal by 37.5 ° of angles.
Further, the outer diameter size of described torticollis pipe 3 and flange plate 1 joint is less than the outer diameter size of projection 2.
Further, described fixing bolt is arranged between the edge of described flange plate 1 and the edge of described projection 2 with mounting hole 5.
Further, described band neck welding neckflange is symplex structure.
Further, described band neck welding neckflange is structure as a whole.
The flange surface that the present invention produces does not have the defect of crackle, burr, scuffing and other reduction intensity and connection reliability.
Of the present invention is a kind of band neck welding neckflange, and the present invention is simple in structure, reasonable in design, and intensity own is high, and serviceability is strong, and using effect is good.
The foregoing is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (8)
1. a band neck welding neckflange, it is characterized in that: described band neck welding neckflange comprises flange plate, projection, torticollis pipe and straight neck tube, described projection is arranged at described flange plate bottom, and projection is looped around the endoporus edge of flange plate, described torticollis pipe is arranged at described flange plate top, described straight neck tube is arranged at described torticollis pipe top, on described flange plate, be uniformly distributed and be provided with multiple fixing bolt mounting holes, described flange plate and described torticollis pipe joint are provided with the first chamfering, and described straight neck tube is provided with the second chamfering on outer ring.
2. a kind of band neck welding neckflange according to claim 1, is characterized in that: the first chamfering that described flange plate and described torticollis pipe joint arrange is arc round angle.
3. a kind of band neck welding neckflange according to claim 2, is characterized in that: the radius of described arc round angle is 10mm.
4. a kind of band neck welding neckflange according to claim 1, is characterized in that: on described straight neck tube, the bevel edge of the second chamfering is horizontal by 37.5 ° of angles.
5. a kind of band neck welding neckflange according to claim 1, is characterized in that: the outer diameter size of described torticollis pipe and flange plate joint is less than the outer diameter size of projection.
6. a kind of band neck welding neckflange according to claim 1, is characterized in that: described fixing bolt mounting hole is arranged between the edge of described flange plate and the edge of described projection.
7. a kind of band neck welding neckflange according to claim 1, is characterized in that: described band neck welding neckflange is symplex structure.
8. a kind of band neck welding neckflange according to claim 1, is characterized in that: described band neck welding neckflange is structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226270.4A CN103968168A (en) | 2014-05-27 | 2014-05-27 | Welding neck flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226270.4A CN103968168A (en) | 2014-05-27 | 2014-05-27 | Welding neck flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103968168A true CN103968168A (en) | 2014-08-06 |
Family
ID=51238007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410226270.4A Pending CN103968168A (en) | 2014-05-27 | 2014-05-27 | Welding neck flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103968168A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594422A (en) * | 2017-02-07 | 2017-04-26 | 兴化市苏星金属制品有限公司 | Novel plate-type flat welding flange |
| CN112291975A (en) * | 2020-11-11 | 2021-01-29 | 合肥圣达电子科技实业有限公司 | Flange structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19914668C2 (en) * | 1999-03-31 | 2003-04-10 | Da Kunststoff Gmbh | flanged |
| CN201159351Y (en) * | 2008-02-20 | 2008-12-03 | 江阴市恒润法兰有限公司 | Welding neck flange especially for wind power nuclear power |
| CN201507737U (en) * | 2009-08-20 | 2010-06-16 | 中国电力科学研究院 | Slip-on neck flange and welding neck flange for extra-high voltage steel pipe tower |
| CN202532070U (en) * | 2012-04-19 | 2012-11-14 | 江阴三林机械管件有限公司 | Different neck flange |
| CN202719302U (en) * | 2012-08-13 | 2013-02-06 | 浙江飞挺管业有限公司 | Welding neck flange |
| CN202901613U (en) * | 2012-09-13 | 2013-04-24 | 温州市固的管业有限公司 | Ring connection welding neck flange |
| CN203336099U (en) * | 2013-05-31 | 2013-12-11 | 江阴市澄东锻造有限公司 | Flange high in strength and not prone to deformation |
| CN203857159U (en) * | 2014-05-27 | 2014-10-01 | 苏州市诚键法兰制造有限公司 | Welding neck flange |
-
2014
- 2014-05-27 CN CN201410226270.4A patent/CN103968168A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19914668C2 (en) * | 1999-03-31 | 2003-04-10 | Da Kunststoff Gmbh | flanged |
| CN201159351Y (en) * | 2008-02-20 | 2008-12-03 | 江阴市恒润法兰有限公司 | Welding neck flange especially for wind power nuclear power |
| CN201507737U (en) * | 2009-08-20 | 2010-06-16 | 中国电力科学研究院 | Slip-on neck flange and welding neck flange for extra-high voltage steel pipe tower |
| CN202532070U (en) * | 2012-04-19 | 2012-11-14 | 江阴三林机械管件有限公司 | Different neck flange |
| CN202719302U (en) * | 2012-08-13 | 2013-02-06 | 浙江飞挺管业有限公司 | Welding neck flange |
| CN202901613U (en) * | 2012-09-13 | 2013-04-24 | 温州市固的管业有限公司 | Ring connection welding neck flange |
| CN203336099U (en) * | 2013-05-31 | 2013-12-11 | 江阴市澄东锻造有限公司 | Flange high in strength and not prone to deformation |
| CN203857159U (en) * | 2014-05-27 | 2014-10-01 | 苏州市诚键法兰制造有限公司 | Welding neck flange |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594422A (en) * | 2017-02-07 | 2017-04-26 | 兴化市苏星金属制品有限公司 | Novel plate-type flat welding flange |
| CN112291975A (en) * | 2020-11-11 | 2021-01-29 | 合肥圣达电子科技实业有限公司 | Flange structure |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140806 |