CN210318941U - High-performance 12Cr2Mol material welding neck flange - Google Patents
High-performance 12Cr2Mol material welding neck flange Download PDFInfo
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- CN210318941U CN210318941U CN201920866170.6U CN201920866170U CN210318941U CN 210318941 U CN210318941 U CN 210318941U CN 201920866170 U CN201920866170 U CN 201920866170U CN 210318941 U CN210318941 U CN 210318941U
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Abstract
The utility model relates to a welding neck flange technical field just discloses a high performance 12Cr2Mol material welding neck flange, including the welding neck flange body, the top fixed mounting of welding neck flange body has transition pipe body, the apical ring has been seted up to the surface at transition pipe body top, the lantern ring has been cup jointed in the inside activity of apical ring, the fixed intercommunication in top of the lantern ring has the welding pipeline that is located transition pipe body top, the bottom swing joint of welding neck flange body has flange. This high performance 12Cr2Mol material flange for welding through setting up the apical ring and the lantern ring, because cooperation between apical ring and the lantern ring will form the positioning action between transition pipe body and the welding pipeline, and then improved the welded accuracy between transition pipe body and the welding pipeline, can not produce the welding deviation, also improved the leakproofness between transition pipe body and the welding pipeline simultaneously, consequently increased this flange for welding's practicality.
Description
Technical Field
The utility model relates to a welding neck flange technical field specifically is a high performance 12Cr2Mol material welding neck flange.
Background
The welding neck flange is a kind of pipe fitting, it is a flange with neck and circular pipe transition and connected with pipe by butt welding, and it is not easy to deform, good in sealing, extensive in application, and has the correspondent requirements for rigidity and elasticity and reasonable butt welding thinning transition, and the welding mouth is far from the joint surface, and the joint surface is free from welding temp. deformation.
At present, when current welding neck flange and pipeline welded, because the transition pipe surface at welding neck flange top is smooth, and then lead to appearing the deviation easily between rather than the welded pipeline, can't carry out accurate location, generally connect through the bolt between the current welding neck flange simultaneously, because its inside often can let in high-speed fluid, thereby it is not hard up to lead to appearing connecting between the welding neck flange easily, and then influences welding neck flange's leakproofness, consequently need improve it.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a high performance 12Cr2Mol material flange for welding, possess the accurate advantage that is good with the leakproofness of welding, when having solved current flange for welding and pipeline and having welded, because the transition pipe surface at flange for welding top is smooth, and then lead to appearing the deviation easily rather than between the welded pipeline, can't carry out accurate location, generally connect through the bolt between the current flange for welding simultaneously, because its inside high-speed fluid that often can let in, thereby it is not hard up to lead to appearing connecting between the flange for welding easily, and then influence the problem of flange for welding leakproofness.
The utility model provides a following technical scheme: the utility model provides a high performance 12Cr2Mol material welded neck flange, includes the welded neck flange body, the top fixed mounting of welded neck flange body has transition pipe body, the apical ring has been seted up to the surface at transition pipe body top, the lantern ring has been cup jointed in the inside activity of apical ring, the fixed intercommunication in top of the lantern ring has the welding pipeline that is located transition pipe body top, the bottom swing joint of welded neck flange body has flange, fluid passage has all been seted up to flange, welded neck flange body and the inside of transition pipe body, the mounting hole that is located the fluid passage outside is all seted up to the inside of welded neck flange body and flange.
Preferably, a circular cutting sleeve positioned between the mounting hole and the fluid channel is fixedly mounted at the bottom of the welding neck flange body, and a circular clamping pad positioned inside the circular cutting sleeve is fixedly mounted at the top of the connecting flange.
Preferably, the number of the mounting holes is eight, the eight mounting holes are internally provided with threads, and the eight mounting holes are equal in aperture.
Preferably, the welding neck flange body, the transition circular tube body and the connecting flange are all made of CrMol materials.
Preferably, the circular cutting sleeve is made of rubber, and the circular cutting sleeve has elasticity.
Preferably, the inside of the mounting hole can be provided with a fastening bolt, and the thread of the outer surface of the fastening bolt is matched with the thread of the inside of the mounting hole.
Preferably, the lantern ring and the welding pipeline are both provided with through holes, and the aperture of each through hole is matched with the corresponding fluid channel.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this high performance 12Cr2Mol material flange for welding through setting up the apical ring and the lantern ring, because cooperation between apical ring and the lantern ring will form the positioning action between transition pipe body and the welding pipeline, and then improved the welded accuracy between transition pipe body and the welding pipeline, can not produce the welding deviation, also improved the leakproofness between transition pipe body and the welding pipeline simultaneously, consequently increased this flange for welding's practicality.
2. This high performance 12Cr2Mol material flange weld neck, through setting up the mounting hole, circular cutting ferrule and circular calorie of pad, because cooperation between mounting hole and the fastening bolt, will realize being connected between flange body and the flange, and because cooperation between circular cutting ferrule and the circular card pad, will make to laminate inseparabler between flange body and the flange, can not receive the produced vibration influence of high-speed fluid, consequently, the leakproofness of this flange weld neck connection has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the welding neck flange body of the present invention;
FIG. 3 is a schematic view of the appearance structure of the present invention;
fig. 4 is a partially enlarged structural view of a portion a in fig. 3.
In the figure: 1. welding the flange body; 2. a transition round tube body; 3. a top ring; 4. a collar; 5. welding a pipeline; 6. a connecting flange; 7. mounting holes; 8. a fluid channel; 9. a circular cutting sleeve; 10. and a circular clamping pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a high performance 12Cr2Mol material welding neck flange comprises a welding neck flange body 1, a transition circular pipe body 2 is fixedly mounted on the top of the welding neck flange body 1, the transition circular pipe body 2 and a connecting flange 6 are all made of 12Cr2Mol material, because the 12Cr2Mol material has the performance of absorbing impact force, the welding neck flange can effectively resist the impact force caused by high speed fluid in a pipeline, and the welding neck flange is connected more tightly and is not easy to loose, meanwhile, the 12Cr2Mol material has excellent weldability and is suitable for welding between the welding neck flange and the pipeline, a circular cutting sleeve 9 between a mounting hole 7 and a fluid channel 8 is fixedly mounted on the bottom of the welding neck flange body 1, the circular cutting sleeve 9 is made of rubber, and the circular cutting sleeve 9 has elasticity, a circular clamping pad 10 inside the circular cutting sleeve 9 is fixedly mounted on the top of the connecting flange 6, the outer surface of the top of the transition circular tube body 2 is provided with a top ring 3, due to the matching between the top ring 3 and the lantern ring 4, the welding pipeline 5 and the transition circular tube body 2 can be positioned, the position deviation of the welding pipeline 5 during welding is avoided, the welding accuracy is improved, the lantern ring 4 is movably sleeved in the top ring 3, through holes are formed in the lantern ring 4 and the welding pipeline 5, the aperture of each through hole is matched with the fluid channel 8, the top of the lantern ring 4 is fixedly communicated with the welding pipeline 5 positioned above the transition circular tube body 2, the bottom of the welding flange body 1 is movably connected with a connecting flange 6, the welding flange body 1 and the transition circular tube body 2 are respectively provided with a fluid channel 8, the welding flange body 1 and the connecting flange 6 are respectively provided with a mounting hole 7 positioned outside the fluid channel 8, fastening bolt can be equipped with in the inside of mounting hole 7, and the screw thread of fastening bolt surface and the inside screw thread looks adaptation of mounting hole 7, and the quantity of mounting hole 7 is eight, and the inside of eight mounting holes 7 all is equipped with the screw thread, and the aperture of eight mounting holes 7 equals.
During operation, operating personnel drives lantern ring 4 with welded pipe 5 at first and inserts to apical ring 3 in, then utilize the welding machine to come to carry out welding process to transition pipe body 2 and welded pipe 5's junction, when this flange accomplishes the welding, operating personnel laminates flange 6 and welding neck flange body 1 again, make circular calorie of pad 10 insert to circular cutting ferrule 9 in, then with fastening bolt screw in to mounting hole 7, can accomplish this welding neck flange's installation work, when high-speed fluid loops through welded pipe 5, the lantern ring 4, transition pipe body 2, when welding neck flange body 1 and flange 6, will produce slight vibration, this moment because circular cutting ferrule 9 and circular calorie of pad 10, the cooperation between mounting hole 7 and the fastening bolt, it is not hard up to avoid appearing connecting between welding neck flange body 1 and the flange 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high performance 12Cr2Mol material welded neck flange, includes welded neck flange body (1), its characterized in that: the top fixed mounting of welding neck flange body (1) has transition pipe body (2), apical ring (3) have been seted up to the surface at transition pipe body (2) top, lantern ring (4) have been cup jointed in the inside activity of apical ring (3), the fixed intercommunication in top of lantern ring (4) has welding pipeline (5) that are located transition pipe body (2) top, the bottom swing joint of welding neck flange body (1) has flange (6), fluid passage (8) have all been seted up to the inside of flange (6), welding neck flange body (1) and transition pipe body (2), mounting hole (7) that are located fluid passage (8) outside are all seted up to the inside of welding neck flange body (1) and flange (6).
2. The high-performance 12Cr2Mol material welding neck flange according to claim 1, characterized in that: a circular cutting sleeve (9) positioned between the mounting hole (7) and the fluid channel (8) is fixedly mounted at the bottom of the welding neck flange body (1), and a circular clamping pad (10) positioned inside the circular cutting sleeve (9) is fixedly mounted at the top of the connecting flange (6).
3. The high-performance 12Cr2Mol material welding neck flange according to claim 1, characterized in that: the number of the mounting holes (7) is eight, the number of the mounting holes is eight, the inner parts of the mounting holes (7) are all provided with threads, and the hole diameters of the mounting holes (7) are equal.
4. The high-performance 12Cr2Mol material welding neck flange according to claim 1, characterized in that: the welding neck flange body (1), the transition circular tube body (2) and the connecting flange (6) are all made of 12Cr2Mol materials.
5. The high-performance 12Cr2Mol material welding neck flange according to claim 2, characterized in that: the circular cutting sleeve (9) is made of rubber, and the circular cutting sleeve (9) has elasticity.
6. The high-performance 12Cr2Mol material welding neck flange according to claim 1, characterized in that: and a fastening bolt can be arranged in the mounting hole (7), and the thread on the outer surface of the fastening bolt is matched with the thread in the mounting hole (7).
7. The high-performance 12Cr2Mol material welding neck flange according to claim 1, characterized in that: the lantern ring (4) and the welding pipeline (5) are internally provided with through holes, and the aperture of each through hole is matched with the fluid channel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866170.6U CN210318941U (en) | 2019-06-11 | 2019-06-11 | High-performance 12Cr2Mol material welding neck flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866170.6U CN210318941U (en) | 2019-06-11 | 2019-06-11 | High-performance 12Cr2Mol material welding neck flange |
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| Publication Number | Publication Date |
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| CN210318941U true CN210318941U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920866170.6U Active CN210318941U (en) | 2019-06-11 | 2019-06-11 | High-performance 12Cr2Mol material welding neck flange |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571088A (en) * | 2020-05-11 | 2020-08-25 | 海盐县法兰厂 | High-strength welding neck flange and processing method thereof |
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2019
- 2019-06-11 CN CN201920866170.6U patent/CN210318941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571088A (en) * | 2020-05-11 | 2020-08-25 | 海盐县法兰厂 | High-strength welding neck flange and processing method thereof |
| CN111571088B (en) * | 2020-05-11 | 2021-12-07 | 山西金正达金属制品有限公司 | High-strength welding neck flange and processing method thereof |
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