CN220470907U - Neck butt welding flange for jacket pipe - Google Patents
Neck butt welding flange for jacket pipe Download PDFInfo
- Publication number
- CN220470907U CN220470907U CN202322184012.1U CN202322184012U CN220470907U CN 220470907 U CN220470907 U CN 220470907U CN 202322184012 U CN202322184012 U CN 202322184012U CN 220470907 U CN220470907 U CN 220470907U
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- flange
- flange plate
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- sealing
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- 238000003466 welding Methods 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 210000003739 neck Anatomy 0.000 abstract 3
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a neck butt welding flange for a jacket pipe, which comprises a first flange plate and a second flange plate, wherein the first flange plate and the second flange plate are connected through a fixing assembly; a sealing groove is formed in one face, close to the first flange, of the second flange, and the sealing groove is matched with the first sealing ring. The utility model can rapidly carry out sealing connection on the two butt welding flanges with necks, and improves the connection efficiency of the two butt welding flanges with necks.
Description
Technical Field
The utility model relates to the technical field of neck butt welding flanges, in particular to a neck butt welding flange for a jacket pipe.
Background
The jacket pipe is a special pipeline for heating or maintaining the temperature of fluid, the structure is that an inner pipe is used for carrying a process medium, an outer pipe is sleeved on the inner pipe, a certain space is reserved between the inner pipe and the outer pipe for carrying fluid for providing heat, the butt welding flange is a pipe fitting, is a flange with a neck and a circular pipe for transition and butt welding connection with the pipe, is not easy to deform, has good sealing and wide application, has corresponding rigidity and elasticity requirements and reasonable butt welding thinning transition, has a large distance between a welding port and a joint surface, is free from deformation of welding temperature, adopts a relatively complex horn structure, and is suitable for pipelines with pressure or temperature fluctuation or high-temperature, high-pressure and low-temperature pipelines, and is generally used for connecting pipelines with PN (Positive-negative pressure) of more than 2.5MPa and valves; but also used for the pipelines for conveying expensive, inflammable and explosive media.
However, when the existing neck butt welding flange for the jacket pipe is connected with the two neck butt welding flanges, a sealing ring needs to be installed between the two neck butt welding flanges to seal, and when the existing sealing ring is installed, the existing sealing ring is simply placed between the two neck butt welding flanges, so that although the sealing effect can be achieved, the sealing ring is easy to deviate in the connecting process, the two neck butt welding flanges need to be conveniently and tightly connected by continuously adjusting the position of the sealing ring, the connecting efficiency between the two neck butt welding flanges is influenced, and therefore the neck butt welding flange for the jacket pipe needs to be designed.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a neck butt welding flange for a jacket pipe.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a jacket pipe takes neck butt welding flange, includes first ring flange and second ring flange, connect through fixed subassembly between first ring flange and the second ring flange, the one end that the second ring flange was kept away from to first ring flange and the one end that the second ring flange was kept away from to first ring flange all fixedly connected with connecting pipe, the connecting pipe periphery is provided with reinforcing assembly, mounting groove and jack groove have been seted up to the one side that the first ring flange is close to the second ring flange, jack groove and mounting groove intercommunication, install first sealing washer in the mounting groove, first sealing washer periphery fixedly connected with grafting piece, grafting piece and jack groove cooperation; a sealing groove is formed in one face, close to the first flange, of the second flange, and the sealing groove is matched with the first sealing ring.
As a further description of the above technical solution:
the end faces of the plug groove and the plug block are in dovetail groove shapes, the plug block is positioned at one end of the first sealing ring, which is close to the first flange plate, and the plug block and the first sealing ring are made of rubber materials.
As a further description of the above technical solution:
the fixing assembly comprises screws and second nuts, connecting holes are formed in the surfaces of the first flange plate and the second flange plate, the screws penetrate through the connecting clamping holes, and the second nuts are connected with the circumferential surfaces of the screws in a threaded mode.
As a further description of the above technical solution:
the reinforcing component comprises a first fixed ring, a second fixed ring, a screw rod and a first nut, wherein the first fixed ring is fixedly connected with the circumferential surface of the connecting pipe, the screw rod is connected inside the first fixed ring in a sliding manner, the second fixed ring is fixedly connected with one end of the screw rod, which is far away from the first fixed ring, and the first nut is connected with the circumferential surface of the screw rod in a threaded manner.
As a further description of the above technical solution:
the connecting pipe is frustum-shaped, and the diameter of one end of the connecting pipe, which is far away from the first flange plate and the second flange plate, is smaller than the diameter of one end of the connecting pipe, which is close to the first flange plate and the second flange plate.
As a further description of the above technical solution:
an annular groove is formed in the circumferential surface of the connecting pipe, and a second sealing ring is installed in the annular groove.
The utility model has the following beneficial effects:
1. compared with the prior art, this jacket pipe is with taking neck butt welding flange, through setting up the jack groove, plug block and first sealing washer, under the cooperation of jack groove and plug block, make the stable installation of first sealing washer in the mounting groove, utilize the friction between jack groove and the plug block, can prevent that first sealing washer from breaking away from the mounting groove, the cooperation of jack groove and plug block simultaneously, also can prevent at this moment that first sealing washer from shifting, thereby can make first sealing washer can carry out perfect adaptation with the seal groove, so can be quick carry out sealing connection with two take neck butt welding flanges, the connection efficiency of two take neck butt welding flanges has been improved.
2. Compared with the prior art, the neck butt welding flange for the jacket pipe is characterized in that the first fixing ring, the second fixing ring, the screw rod and the first nut are arranged, the second fixing ring is fixed on the jacket pipe, and then the second fixing ring is connected with the first fixing ring under the cooperation of the screw rod and the first nut, so that the welding part between the neck butt welding flange and the jacket pipe can be reinforced, and the stability of connection between the neck butt welding flange and the jacket pipe is improved.
Drawings
FIG. 1 is a schematic view of a jacket pipe with neck butt welding flange according to the present utility model;
fig. 2 is a schematic structural diagram of a jacket pipe with a neck butt welding flange according to the present utility model, wherein the structure is a first view angle after the device is disassembled;
FIG. 3 is an enlarged view of portion A of FIG. 2 showing a neck butt welding flange for a jacket pipe according to the present utility model;
FIG. 4 is an enlarged view of portion B of FIG. 2 showing a neck butt welding flange for a jacket pipe according to the present utility model;
fig. 5 is a schematic structural diagram of a jacket pipe with a neck butt welding flange according to the present utility model, wherein the second view angle is a structural diagram after the device is disassembled;
FIG. 6 is an enlarged view of portion C of FIG. 5 showing a neck butt welding flange for a jacket pipe according to the present utility model;
fig. 7 is an enlarged view of part D of fig. 5 showing a neck butt welding flange for a jacket pipe according to the present utility model.
Legend description:
1. a first flange; 2. a second flange; 3. a connecting pipe; 4. a reinforcement assembly; 401. a first fixing ring; 402. a second fixing ring; 403. a screw; 404. a first nut; 5. a fixing assembly; 501. a screw; 502. a second nut; 6. a first seal ring; 7. a plug block; 8. a second seal ring; 9. a mounting groove; 10. a plug-in groove; 11. sealing grooves; 12. a connection hole; 13. an annular groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to figures 1-7, the neck butt welding flange for the jacket pipe comprises a first flange plate 1 and a second flange plate 2, wherein the first flange plate 1 and the second flange plate 2 are connected through a fixing assembly 5, one end, far away from the second flange plate 2, of the first flange plate 1 and one end, far away from the first flange plate 1, of the second flange plate 2 are fixedly connected with a connecting pipe 3, the circumferential surface of the connecting pipe 3 is provided with a reinforcing assembly 4, one surface, close to the second flange plate 2, of the first flange plate 1 is provided with a mounting groove 9 and a plugging groove 10, the plugging groove 10 is communicated with the mounting groove 9, a first sealing ring 6 is mounted in the mounting groove 9, the circumferential surface of the first sealing ring 6 is fixedly connected with a plugging block 7, and the plugging block 7 is matched with the plugging groove 10; a sealing groove 11 is formed in one surface, close to the first flange plate 1, of the second flange plate 2, and the sealing groove 11 is matched with the first sealing ring 6.
Specifically, the first sealing ring 6 is stably installed in the installation groove 9 under the cooperation of the plugging groove 10 and the plugging block 7, friction between the plugging groove 10 and the plugging block 7 is utilized to prevent the first sealing ring 6 from being separated from the installation groove 9, and meanwhile, the plugging groove 10 and the plugging block 7 are matched to prevent the first sealing ring 6 from shifting, so that the first sealing ring 6 can be perfectly matched with the sealing groove 11, the two neck butt welding flanges can be quickly connected in a sealing way, and the connection efficiency of the two neck butt welding flanges is improved; after the first sealing ring 6 is matched with the sealing groove 11, the first flange plate 1 and the second flange plate 2 are connected together by the fixing assembly 5, so that the purpose of connection is achieved, the welding part between the neck butt welding flange and the jacket pipe can be reinforced by the reinforcing assembly 4, and the stability of connection between the neck butt welding flange and the jacket pipe is improved.
The end face shapes of the inserting groove 10 and the inserting block 7 are in dovetail groove shapes, the inserting block 7 is positioned at one end, close to the first flange plate 1, of the first sealing ring 6, the inserting block 7 and the first sealing ring 6 are made of rubber materials, and when the novel sealing ring is in operation, the first sealing ring 6 is conveniently and stably installed in the installation groove 9 due to the dovetail groove shapes of the end face shapes of the inserting groove 10 and the inserting block 7.
The fixed subassembly 5 includes screw 501, second nut 502, and connecting hole 12 has all been seted up on first ring flange 1 and second ring flange 2 surface, and screw 501 runs through the connection draw-in hole, and screw 501 circumference threaded connection has second nut 502, during operation, passes first ring flange 1 and second ring flange 2 with screw 501, at this moment again with second nut 502 screw up, just conveniently links together first ring flange 1 and second ring flange 2.
The reinforcing component 4 comprises a first fixing ring 401, a second fixing ring 402, a screw 403 and a first nut 404, wherein the circumference surface of the connecting pipe 3 is fixedly connected with the first fixing ring 401, the screw 403 is connected inside the first fixing ring 401 in a sliding manner, one end of the screw 403, which is far away from the first fixing ring 401, is fixedly connected with the second fixing ring 402, the circumference surface of the screw 403 is connected with the first nut 404 in a threaded manner, the second fixing ring 402 is fixed on the jacket pipe in a working manner, and the second fixing ring 402 is connected with the first fixing ring 401 under the matching of the screw 403 and the first nut 404, so that the welding part between the neck butt welding flange and the jacket pipe can be reinforced, and the stability of the connection between the neck butt welding flange and the jacket pipe is improved.
The connecting pipe 3 is in a frustum shape, and the diameter of one end, away from the first flange plate 1 and the second flange plate 2, of the connecting pipe 3 is smaller than the diameter of one end, close to the first flange plate 1 and the second flange plate 2, of the connecting pipe 3, and when the connecting pipe is in operation, the connecting pipe 3 is in a frustum shape, so that the connecting pipe 3 and the jacket pipe are conveniently connected together.
The annular groove 13 has been seted up to connecting pipe 3 circumference, and annular groove 13 internally mounted has second sealing washer 8, and during operation is through setting up second sealing washer 8, just so makes the sealing effect of connecting pipe 3 and jacket pipe junction better.
Working principle:
when the welding device works, the plug block 7 is aligned with the plug groove 10, at this time, the first sealing ring 6 is convenient to install in the installation groove 9, under the cooperation of the plug groove 10 and the plug block 7, the first sealing ring 6 is stably installed in the installation groove 9, friction between the plug groove 10 and the plug block 7 is utilized to prevent the first sealing ring 6 from separating from the installation groove 9, and meanwhile, the plug groove 10 and the plug block 7 are matched, at this time, the first sealing ring 6 is prevented from shifting, so that the first sealing ring 6 can be perfectly matched with the sealing groove 11, and two necked butt welding flanges can be rapidly connected in a sealing way, and the connection efficiency of the two necked butt welding flanges is improved; after the first sealing ring 6 is matched with the sealing groove 11, the screw 501 penetrates through the first flange plate 1 and the second flange plate 2, and the second nut 502 is screwed down, so that the first flange plate 1 and the second flange plate 2 are conveniently connected.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a jacket pipe neck butt welding flange, includes first ring flange (1) and second ring flange (2), its characterized in that: the novel connecting structure is characterized in that the first flange plate (1) and the second flange plate (2) are connected through a fixing assembly (5), one end, away from the second flange plate (2), of the first flange plate (1) and one end, away from the first flange plate (1), of the second flange plate (2) are fixedly connected with a connecting pipe (3), the circumferential surface of the connecting pipe (3) is provided with a reinforcing assembly (4), one surface, close to the second flange plate (2), of the first flange plate (1) is provided with a mounting groove (9) and a plugging groove (10), the plugging groove (10) is communicated with the mounting groove (9), a first sealing ring (6) is installed in the mounting groove (9), a plugging block (7) is fixedly connected to the circumferential surface of the first sealing ring (6), and the plugging block (7) is matched with the plugging groove (10); a sealing groove (11) is formed in one surface, close to the first flange plate (1), of the second flange plate (2), and the sealing groove (11) is matched with the first sealing ring (6).
2. A neck butt flange for a jacket pipe as claimed in claim 1, wherein: the end faces of the inserting grooves (10) and the inserting blocks (7) are in dovetail groove shapes, the inserting blocks (7) are located at one end, close to the first flange plate (1), of the first sealing ring (6), and the inserting blocks (7) and the first sealing ring (6) are made of rubber materials.
3. A neck butt flange for a jacket pipe as claimed in claim 1, wherein: the fixing assembly (5) comprises a screw (501) and a second nut (502), connecting holes (12) are formed in the surfaces of the first flange plate (1) and the second flange plate (2), the screw (501) penetrates through the connecting clamping holes, and the second nut (502) is connected with the circumferential surface of the screw (501) in a threaded mode.
4. A neck butt flange for a jacket pipe as claimed in claim 1, wherein: the reinforcing component (4) comprises a first fixed ring (401), a second fixed ring (402), a screw (403) and a first nut (404), wherein the first fixed ring (401) is fixedly connected to the circumferential surface of the connecting pipe (3), the screw (403) is connected to the inside of the first fixed ring (401) in a sliding manner, the second fixed ring (402) is fixedly connected to one end, far away from the first fixed ring (401), of the screw (403), and the first nut (404) is connected to the circumferential surface of the screw (403) in a threaded manner.
5. A neck butt flange for a jacket pipe as claimed in claim 1, wherein: the connecting pipe (3) is in a frustum shape, and the diameter of one end, away from the first flange plate (1) and the second flange plate (2), of the connecting pipe (3) is smaller than the diameter of one end, close to the first flange plate (1) and the second flange plate (2), of the connecting pipe (3).
6. A neck butt flange for a jacket pipe as claimed in claim 1, wherein: an annular groove (13) is formed in the circumferential surface of the connecting pipe (3), and a second sealing ring (8) is installed in the annular groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184012.1U CN220470907U (en) | 2023-08-15 | 2023-08-15 | Neck butt welding flange for jacket pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184012.1U CN220470907U (en) | 2023-08-15 | 2023-08-15 | Neck butt welding flange for jacket pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470907U true CN220470907U (en) | 2024-02-09 |
Family
ID=89775303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322184012.1U Active CN220470907U (en) | 2023-08-15 | 2023-08-15 | Neck butt welding flange for jacket pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470907U (en) |
-
2023
- 2023-08-15 CN CN202322184012.1U patent/CN220470907U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |