CN219734553U - Improved neck butt welding flange - Google Patents
Improved neck butt welding flange Download PDFInfo
- Publication number
- CN219734553U CN219734553U CN202320538821.5U CN202320538821U CN219734553U CN 219734553 U CN219734553 U CN 219734553U CN 202320538821 U CN202320538821 U CN 202320538821U CN 219734553 U CN219734553 U CN 219734553U
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- China
- Prior art keywords
- flange
- butt welding
- wall
- improved
- neck
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- 238000003466 welding Methods 0.000 title claims abstract description 40
- 238000003032 molecular docking Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 11
- 238000010030 laminating Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 16
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses an improved neck butt welding flange, which belongs to the technical field of butt welding flanges and comprises the following components: the flange outer wall, flange outer wall one side fixedly connected with flange long neck, flange long neck intermediate position one end outside is equipped with the A screw thread, flange long neck outside swivelling joint has fixed pipe fitting, fixed pipe fitting inside is equipped with the B screw thread, the B screw thread is rotatory laminating with the A screw thread to be connected, flange outer wall one end outside fixedly connected with docking collar, the docking collar outside is fixed to be provided with fixed cover, fixed cover inside is equipped with fixed cover docking hole.
Description
Technical Field
The utility model relates to the technical field of butt welding flanges, in particular to an improved neck butt welding flange, and belongs to the technical field of neck butt welding flanges.
Background
The flange connection is to fix two pipelines, pipe fittings or devices on one flange plate, and fasten the two flange plates together by bolts to complete the connection. Some pipe fittings and equipment are already provided with flanges and are also flanged. Flange connection is an important connection mode for pipeline construction. The flange connection is convenient to use and can bear larger pressure. In industrial pipelines, flange connections are used quite extensively.
The prior art chinese patent with publication number (CN 212672634U) discloses a butt welding flange with increased sealing performance, but has a technical problem that the welding flange cannot maintain high installation firmness in a high vibration environment, and the connection between the pipe body and the flange after welding forming is not stable enough, so that the welding flange needs to be upgraded and modified on the basis of the prior art.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an improved neck butt welding flange, which can realize stable flange connection under different environments by sleeving a fixed cover on a flange butt joint ring, and solves the technical problem that the high installation firmness cannot be maintained in a high vibration environment in the prior art, and the problem that the connection between a pipe body and the flange is not stable enough after welding molding.
In order to solve the problems, the following technical scheme is provided:
the utility model provides an improved generation takes neck butt welding flange, includes the flange outer wall, flange outer wall one side fixedly connected with flange long neck, flange long neck intermediate position one end outside is equipped with the A screw thread, flange long neck outside swivelling joint has fixed pipe fitting, the inside B screw thread that is equipped with of fixed pipe fitting, B screw thread is rotatory laminating with the A screw thread to be connected, flange outer wall one end outside fixedly connected with docking collar, the docking collar outside is fixed to be provided with fixed cover, fixed cover inside is equipped with fixed cover docking hole.
Furthermore, the inside of the butt joint ring is provided with butt joint holes, and eight butt joint holes are arranged in the inside of the butt joint ring according to circumferential distribution.
Further, one end of the outer wall of the flange is provided with an annular groove.
Further, one end of the outer wall of the flange is connected with a sealing ring in a sliding mode.
Further, the sealing ring is matched with the annular groove in one end of the outer wall of the flange in size.
Further, the fixed cover is sleeved at the outer ring position of the butt joint ring, and the butt joint hole of the fixed cover in the fixed cover is just matched with the hole position of the butt joint hole.
Furthermore, one end of the long neck of the flange is provided with a welding port.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, after the flange is in butt joint, the fixed cover is sleeved on the flange butt joint ring, the butt joint hole on the flange butt joint ring is aligned with the fixed cover butt joint hole, and the flange is fixedly connected by the nut, so that the flange can keep high installation stability in a high vibration environment;
2. according to the utility model, the fixed pipe fitting is screwed into the long neck of the flange through threads before the flange and the pipe fitting are welded, and after the flange and the pipe fitting are welded, the fixed pipe fitting is reversely screwed, so that the welding port is sleeved by the fixed pipe fitting, the connection reliability of the welding port is improved, the flange body neck structure is not easy to break, and the connection strength between the pipe fitting and the flange is increased due to certain sealing property when the fixed pipe fitting is sleeved into the pipe fitting;
specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a left side view of an improved necked butt welding flange in accordance with the present utility model;
FIG. 2 is a schematic view of a right side view of an improved necked butt welding flange in accordance with the present utility model;
fig. 3 is a schematic cross-sectional view of an improved necked butt welding flange according to the present utility model.
In the figure: 1. the outer wall of the flange; 2. a flange long neck; 3. fixing the pipe fitting; 4. a docking collar; 5. a fixed cover; 6. a seal ring; 7. a butt joint hole; 8. a fixed cover butt joint hole; 9. a thread; 10. b thread; 11. a welding port; 12. an annular groove.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 3, the improved neck butt welding flange provided in this embodiment is characterized by comprising: the flange outer wall 1, flange outer wall 1 one side fixedly connected with flange long neck 2, flange long neck 2 intermediate position one end outside is equipped with A screw thread 9, and flange long neck 2 outside swivelling joint has fixed pipe fitting 3, and fixed pipe fitting 3 inside is equipped with B screw thread 10, and B screw thread 10 is connected with the rotatory laminating of A screw thread 9, and flange outer wall 1 one end outside fixedly connected with docking collar 4, docking collar 4 outside fixedly is provided with fixed cover 5, and fixed cover 5 inside is equipped with fixed cover docking hole 8.
In this embodiment, as shown in fig. 1-3,
preferably, the inside of the docking ring 4 is provided with docking holes 7, and the docking holes 7 are provided with eight docking flanges which are distributed and arranged in the inside of the docking ring 4 according to the circumference, and the measuring flanges can be mutually in docking connection through the docking holes.
Preferably, one end of the outer wall 1 of the flange is provided with an annular groove 12, so that the tightness of the flange during connection is improved.
Preferably, one end of the outer wall 1 of the flange is slidably connected with a sealing ring 6, and the gas and liquid in the flange are ensured to flow out of the butt joint gaps through the sealing ring.
Preferably, the sealing ring 6 is matched with the annular groove 12 in one end of the flange outer wall 1 in size, so that the fit degree of the sealing ring and the annular groove is ensured, and the tightness in flange connection is improved.
Preferably, the fixed cover 5 is sleeved at the outer ring position of the docking ring 4, and the docking hole 8 of the fixed cover 5 is just matched with the docking hole 7, so that the fixed cover can be just sleeved outside the flanges, and the stability of connection between the flanges is improved.
Preferably, one end of the flange long neck 2 is provided with a welding port 11 which is the welding position of the flange and the pipe fitting.
The application principle and the application flow of the utility model are as follows: before the flange and the pipe fitting are welded, the fixed pipe fitting 3 is screwed into the flange long neck 2 through the A thread 9, after the flange and the pipe fitting are welded, the fixed pipe fitting 3 is reversely screwed, the welding port is sleeved by the fixed pipe fitting 3, the sealing ring 6 is placed into the annular groove 12, then the two flanges are butted, the flange butted ring 4 is connected by using the fixed cover sleeve 5, the butted hole 7 on the flange butted ring 4 is aligned with the fixed cover butted hole 8, and the two flanges are connected and fixed by using the nut, so that the two flanges are butted.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.
While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.
Claims (7)
1. The utility model provides an improved generation takes neck butt welding flange, its characterized in that, including flange outer wall (1), flange outer wall (1) one side fixedly connected with flange long neck (2), flange long neck (2) intermediate position one end outside is equipped with A screw thread (9), flange long neck (2) outside swivelling joint has fixed pipe fitting (3), fixed pipe fitting (3) inside is equipped with B screw thread (10), B screw thread (10) are connected with A screw thread (9) swivelling joint, flange outer wall (1) one end outside fixedly connected with docking collar (4), docking collar (4) outside fixedly are provided with fixed cover (5), fixed cover docking hole (8) are equipped with to inside of fixed cover (5).
2. An improved neck butt welding flange according to claim 1, characterized in that the inside of the butt welding ring (4) is provided with butt welding holes (7), and the butt welding holes (7) are provided with eight holes which are distributed and arranged in the inside of the butt welding ring (4) according to the circumference.
3. An improved necked-in welding flange according to claim 1, characterized in that one end of the flange outer wall (1) is provided with an annular groove (12).
4. An improved necked-in welding flange according to claim 1, characterized in that one end of the flange outer wall (1) is slidingly connected with a sealing ring (6).
5. An improved necked butt welding flange according to claim 4 wherein the sealing ring (6) is in size engagement with an annular groove (12) in one end of the flange outer wall (1).
6. An improved neck butt welding flange according to claim 1, wherein the fixing cover (5) is sleeved at the outer ring position of the butt welding ring (4), and the butt welding hole (8) of the fixing cover inside the fixing cover (5) is just matched with the hole position of the butt welding hole (7).
7. An improved neck butt welding flange according to claim 1, characterized in that one end of the flange long neck (2) is provided with a welding port (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320538821.5U CN219734553U (en) | 2023-03-20 | 2023-03-20 | Improved neck butt welding flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320538821.5U CN219734553U (en) | 2023-03-20 | 2023-03-20 | Improved neck butt welding flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734553U true CN219734553U (en) | 2023-09-22 |
Family
ID=88032018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320538821.5U Active CN219734553U (en) | 2023-03-20 | 2023-03-20 | Improved neck butt welding flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734553U (en) |
-
2023
- 2023-03-20 CN CN202320538821.5U patent/CN219734553U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |