CN106224669A - Novel butt welded flange - Google Patents
Novel butt welded flange Download PDFInfo
- Publication number
- CN106224669A CN106224669A CN201610751929.7A CN201610751929A CN106224669A CN 106224669 A CN106224669 A CN 106224669A CN 201610751929 A CN201610751929 A CN 201610751929A CN 106224669 A CN106224669 A CN 106224669A
- Authority
- CN
- China
- Prior art keywords
- protective layer
- zinc
- flange
- flange body
- welding portion
- 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
Abstract
The invention discloses a kind of Novel butt welded flange, including: flange body in the form of annular discs, butt welding portion it is provided with on the end face of flange body, butt welding portion includes the first hollow prismoid section, the second hollow prismoid section and through hole, angle between lateral surface and the horizontal plane of the first hollow prismoid section is 42 ~ 48 degree, and the angle between lateral surface and the horizontal plane of the second hollow prismoid section is 72 ~ 78 degree；Flange body and butt welding portion are monolithic construction; outer composite protection layer it is provided with on the outer surface in flange body and butt welding portion; outer composite protection layer includes the interior chromium plating protective layer being arranged on flange body and butt welding portion outer surface; the first zinc-plated protective layer it is provided with on the outer surface of interior chromium plating protective layer; it is provided with the second zinc-plated protective layer on the outer surface of the first zinc-plated protective layer, the outer surface of the second zinc-plated protective layer is provided with outer plating bright chromium protective layer.By the way, welding effect of the present invention is good, also has preferable decay resistance, appearance light.
Description
Technical field
The present invention relates to flange technical field, particularly relate to a kind of Novel butt welded flange.
Background technology
Flange is a kind of fastening means, and Flange joint refers to be connected with each other as one group by flange, pad and bolt three
The releasable connection of combined sealing structure.Flange divides threaded (screwed connection) flange, welded flange and clip flange.Flange is even
Connect because its connection sealing is good, stabilized structure, intensity are high, easy to use, low cost and other advantages, be widely used in building row
Industry, urban water supply, boilers and pressure vessel, petroleum industry, supply, chemical industry, grocery trade, fire-fighting, pharmaceutical industry, power station, water
The industries such as profit, HVAC.W.N flange is the one in flange, and existing W.N flange could be improved.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of Novel butt welded flange, and simple and reasonable, intensity is high, with
Pipeline welding is effective, the most also has preferable decay resistance, appearance light, better appearance.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of Novel butt welded flange, bag
Including: flange body in the form of annular discs, the end face of described flange body is provided with butt welding portion, described butt welding portion includes being arranged on
The first hollow prismoid section on flange body end face and the second hollow frustum being arranged on the first hollow prismoid section outer face
Portion, forms a through hole between described flange body, the first hollow prismoid section and the second hollow prismoid section, described first hollow
Angle between lateral surface and the horizontal plane of prismoid section is 42 ~ 48 degree, the lateral surface of described second hollow prismoid section and horizontal plane
Between angle be 72 ~ 78 degree, the outer face of described second open circles frustum has one welding slot；
Described flange body and butt welding portion are monolithic construction, the outer surface in described flange body and butt welding portion are provided with outer multiple
Closing protective layer, described outer composite protection layer includes the interior chromium plating protective layer being arranged on flange body and butt welding portion outer surface, institute
State and on the outer surface of interior chromium plating protective layer, be provided with the first zinc-plated protective layer, the outer surface of described first zinc-plated protective layer is arranged
There is the second zinc-plated protective layer, the outer surface of described second zinc-plated protective layer is provided with outer plating bright chromium protective layer.
In a preferred embodiment of the present invention, the thickness of described interior chromium plating protective layer is 40 ~ 50 microns.
In a preferred embodiment of the present invention, the thickness of described first zinc-plated protective layer is 20 ~ 30 microns.
In a preferred embodiment of the present invention, the thickness of described second zinc-plated protective layer is 30 ~ 40 microns.
In a preferred embodiment of the present invention, the thickness of described outer plating bright chromium protective layer is 40 ~ 50 microns.
The invention has the beneficial effects as follows: the Novel butt welded flange that the present invention discloses, simple and reasonable, intensity is high, with pipe
Road welding effect is good, the most also has preferable decay resistance, appearance light, better appearance.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing, wherein:
Fig. 1 is the structural representation of Novel butt welded flange one of the present invention preferred embodiment.
In accompanying drawing, the labelling of each parts is as follows: 1, flange body, the 2, first hollow prismoid section, the 3, second hollow prismoid section,
4, through hole, 5, welding slot.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiments that technical staff is obtained under not making creative work premise, broadly fall into the model of present invention protection
Enclose.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of Novel butt welded flange, including: flange body 1 in the form of annular discs, it is right that the end face of described flange body is provided with
Weldering portion, described butt welding portion includes the be arranged on flange body end face first hollow prismoid section 2 and is arranged on the first hollow cone
The second hollow prismoid section 3 on outer face, platform portion, between described flange body, the first hollow prismoid section and the second hollow prismoid section
Forming a through hole 4, the angle between lateral surface and the horizontal plane of described first hollow prismoid section is 42 ~ 48 degree, described
Angle between lateral surface and the horizontal plane of two hollow prismoid section is 72 ~ 78 degree, and it is higher strong that said structure makes flange have
Degree.
There is on the outer face of described second open circles frustum a welding slot 5, it is simple to pipeline inserts welding, welds matter
Amount height.
Described flange body and butt welding portion are monolithic construction, and the outer surface in described flange body and butt welding portion is provided with
Outer composite protection layer, described outer composite protection layer includes the interior chromium plating protection being arranged on flange body and butt welding portion outer surface
Layer, the outer surface of described interior chromium plating protective layer is provided with the first zinc-plated protective layer, the outer surface of described first zinc-plated protective layer
On be provided with the second zinc-plated protective layer, the outer surface of described second zinc-plated protective layer is provided with outer plating bright chromium protective layer.
Above-mentioned interior chromium plating protective layer, the first zinc-plated protective layer, the second zinc-plated protective layer and outer plating bright chromium protective layer so that
Flange has preferable decay resistance, appearance light, better appearance.
Preferably, the thickness of described interior chromium plating protective layer is 40 ~ 50 microns.
Preferably, the thickness of described first zinc-plated protective layer is 20 ~ 30 microns.
Preferably, the thickness of described second zinc-plated protective layer is 30 ~ 40 microns.
Preferably, the thickness of described outer plating bright chromium protective layer is 40 ~ 50 microns.
The invention has the beneficial effects as follows: the Novel butt welded flange that the present invention discloses, simple and reasonable, intensity is high, with pipe
Road welding effect is good, the most also has preferable decay resistance, appearance light, better appearance.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology neck
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (5)
1. a Novel butt welded flange, it is characterised in that including: flange body in the form of annular discs, one end of described flange body
Being provided with butt welding portion on face, described butt welding portion includes the be arranged on flange body end face first hollow prismoid section and is arranged on
The second hollow prismoid section on first hollow prismoid section outer face, described flange body, the first hollow prismoid section and second are hollow
Forming a through hole between prismoid section, the angle between lateral surface and the horizontal plane of described first hollow prismoid section is 42 ~ 48
Degree, the angle between lateral surface and the horizontal plane of described second hollow prismoid section is 72 ~ 78 degree, described second open circles frustum
There is on outer face a welding slot；
Described flange body and butt welding portion are monolithic construction, the outer surface in described flange body and butt welding portion are provided with outer multiple
Closing protective layer, described outer composite protection layer includes the interior chromium plating protective layer being arranged on flange body and butt welding portion outer surface, institute
State and on the outer surface of interior chromium plating protective layer, be provided with the first zinc-plated protective layer, the outer surface of described first zinc-plated protective layer is arranged
There is the second zinc-plated protective layer, the outer surface of described second zinc-plated protective layer is provided with outer plating bright chromium protective layer.
Novel butt welded flange the most according to claim 1, it is characterised in that the thickness of described interior chromium plating protective layer is 40 ~
50 microns.
Novel butt welded flange the most according to claim 1, it is characterised in that the thickness of described first zinc-plated protective layer is 20
~ 30 microns.
Novel butt welded flange the most according to claim 1, it is characterised in that the thickness of described second zinc-plated protective layer is 30
~ 40 microns.
Novel butt welded flange the most according to claim 1, it is characterised in that the thickness of described outer plating bright chromium protective layer is 40
~ 50 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610751929.7A CN106224669A (en) | 2016-08-30 | 2016-08-30 | Novel butt welded flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610751929.7A CN106224669A (en) | 2016-08-30 | 2016-08-30 | Novel butt welded flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106224669A true CN106224669A (en) | 2016-12-14 |
Family
ID=57556002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610751929.7A Pending CN106224669A (en) | 2016-08-30 | 2016-08-30 | Novel butt welded flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106224669A (en) |
Cited By (3)
| 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 |
| CN106764159A (en) * | 2017-02-07 | 2017-05-31 | 兴化市苏星金属制品有限公司 | A kind of hubbed clip-on-welding flange |
| CN106764160A (en) * | 2017-02-07 | 2017-05-31 | 兴化市苏星金属制品有限公司 | A kind of band neck W.N flange |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5135118A (en) * | 1973-12-03 | 1976-03-25 | British Steel Corp | Furanji ojusuru enseitetsupaipu oyobi sonoseizohoho |
| US20100032941A1 (en) * | 2008-08-11 | 2010-02-11 | Jose Miguel Cabezas | Assembly for Joining Metallic Pipes Provided with Inner Plastic Liner |
| CN202532069U (en) * | 2012-04-19 | 2012-11-14 | 江阴三林机械管件有限公司 | Conical neck flange |
| CN104279382A (en) * | 2013-07-09 | 2015-01-14 | 江阴市东升法兰有限公司 | Welding neck flange |
| CN205479845U (en) * | 2016-01-12 | 2016-08-17 | 无锡市法兰锻造有限公司 | Low -temperature steel welding neck flange |
| CN206018076U (en) * | 2016-08-30 | 2017-03-15 | 无锡神意环件法兰有限公司 | Novel butt welded flange |
-
2016
- 2016-08-30 CN CN201610751929.7A patent/CN106224669A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5135118A (en) * | 1973-12-03 | 1976-03-25 | British Steel Corp | Furanji ojusuru enseitetsupaipu oyobi sonoseizohoho |
| US20100032941A1 (en) * | 2008-08-11 | 2010-02-11 | Jose Miguel Cabezas | Assembly for Joining Metallic Pipes Provided with Inner Plastic Liner |
| CN202532069U (en) * | 2012-04-19 | 2012-11-14 | 江阴三林机械管件有限公司 | Conical neck flange |
| CN104279382A (en) * | 2013-07-09 | 2015-01-14 | 江阴市东升法兰有限公司 | Welding neck flange |
| CN205479845U (en) * | 2016-01-12 | 2016-08-17 | 无锡市法兰锻造有限公司 | Low -temperature steel welding neck flange |
| CN206018076U (en) * | 2016-08-30 | 2017-03-15 | 无锡神意环件法兰有限公司 | Novel butt welded flange |
Non-Patent Citations (1)
| Title |
|---|
| 刘庆山: "《暖通空调安装工程》", 30 November 2003, 中国建筑工业出版社 * |
Cited By (3)
| 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 |
| CN106764159A (en) * | 2017-02-07 | 2017-05-31 | 兴化市苏星金属制品有限公司 | A kind of hubbed clip-on-welding flange |
| CN106764160A (en) * | 2017-02-07 | 2017-05-31 | 兴化市苏星金属制品有限公司 | A kind of band neck W.N flange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161214 |