CN203857159U - Welding neck flange - Google Patents
Welding neck flange Download PDFInfo
- Publication number
- CN203857159U CN203857159U CN201420273455.6U CN201420273455U CN203857159U CN 203857159 U CN203857159 U CN 203857159U CN 201420273455 U CN201420273455 U CN 201420273455U CN 203857159 U CN203857159 U CN 203857159U
- Authority
- CN
- China
- Prior art keywords
- flange plate
- pipe
- welding neckflange
- torticollis
- 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.)
- Expired - Fee Related
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a welding neck flange comprising a flange plate, a protrusion, an oblique-neck pipe and a straight-neck pipe. The protrusion is arranged at the bottom of the flange plate and surrounds the edge of the inner hole of the flange plate, the oblique-neck pipe is arranged above the flange plate, the straight-neck pipe is arranged above the oblique-neck pipe, a plurality of mounting holes used for fixing bolts are uniformly distributed in the flange plate, a first chamfer is arranged at the joint of the flange plate and the oblique-neck pipe, and a second chamfer is arranged on the outer ring of the straight-neck pipe. The welding neck flange is simple in structure, reasonable, high in self-strength, highly durable and good in use effect.
Description
Technical field
The utility model relates to a kind of flange, is 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, with liner, seal.
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.
Model utility content
It is a kind of simple in structure, reasonable in design that the purpose of this utility model is to provide, and intensity own is high, and serviceability is strong, the band neck welding neckflange that using effect is good.
The technical solution of the utility model 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 a plurality of 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 preferred embodiment of the utility model, the first chamfering that described flange plate and described torticollis pipe joint arrange is arc round angle.
In preferred embodiment of the utility model, the radius of described arc round angle is 10mm.
In preferred embodiment of the utility model, on described straight neck tube, the bevel edge of the second chamfering is horizontal by 37.5 ° of angles.
In preferred embodiment of the utility model, the outer diameter size of described torticollis pipe and flange plate joint is less than the outer diameter size of projection.
In preferred embodiment of the utility model, described fixing bolt is arranged between the edge of described flange plate and the edge of described projection with mounting hole.
In preferred embodiment of the utility model, described band neck welding neckflange is symplex structure.
In preferred embodiment of the utility model, described band neck welding neckflange is structure as a whole.
Described in the utility model is a kind of band neck welding neckflange, and the utility model is simple in structure, reasonable in design, and intensity own is high, and serviceability is strong, and using effect is good.
Accompanying drawing explanation
Fig. 1 is with the sectional view of neck welding neckflange in the utility model one preferred embodiment;
In accompanying drawing, each mark is as follows: 1, flange plate, 2, projection, 3, torticollis pipe, 4, straight neck tube, 5, mounting hole, the 6, first chamfering, the 7, second chamfering.
Embodiment
Below preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Described in the utility model 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 a plurality of 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 utility model is produced does not have the defect of crackle, burr, scuffing and other reduction intensity and connection reliability.
Described in the utility model is a kind of band neck welding neckflange, and the utility model 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 embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the utility model; the variation that can expect without creative work or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (8)
1. be with neck welding neckflange for one kind, 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 a plurality of 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 is arranged between the edge of described flange plate and the edge of described projection with mounting hole.
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 |
---|---|---|---|
CN201420273455.6U CN203857159U (en) | 2014-05-27 | 2014-05-27 | Welding neck flange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420273455.6U CN203857159U (en) | 2014-05-27 | 2014-05-27 | Welding neck flange |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203857159U true CN203857159U (en) | 2014-10-01 |
Family
ID=51607007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420273455.6U Expired - Fee Related CN203857159U (en) | 2014-05-27 | 2014-05-27 | Welding neck flange |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203857159U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103968168A (en) * | 2014-05-27 | 2014-08-06 | 苏州市诚键法兰制造有限公司 | Welding neck flange |
-
2014
- 2014-05-27 CN CN201420273455.6U patent/CN203857159U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103968168A (en) * | 2014-05-27 | 2014-08-06 | 苏州市诚键法兰制造有限公司 | Welding neck flange |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150527 |
|
EXPY | Termination of patent right or utility model |