CN219549849U - Connection structure of pipeline flange - Google Patents
Connection structure of pipeline flange Download PDFInfo
- Publication number
- CN219549849U CN219549849U CN202223077506.1U CN202223077506U CN219549849U CN 219549849 U CN219549849 U CN 219549849U CN 202223077506 U CN202223077506 U CN 202223077506U CN 219549849 U CN219549849 U CN 219549849U
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- China
- Prior art keywords
- conveying pipe
- flange
- plate
- side wall
- connecting plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a connecting structure of a pipeline flange, which comprises a first conveying pipe, a second conveying pipe, a sealing gasket and a plurality of bolts, wherein a first flange plate is arranged at the end part of the first conveying pipe, a plurality of first mounting holes are formed in the first flange plate, each first mounting hole is positioned in the first conveying pipe, a second flange plate is arranged at the end part of the second conveying pipe, a plurality of second mounting holes are formed in the second flange plate, each first mounting hole and each second mounting hole are respectively in one-to-one correspondence, each second mounting hole is positioned in the second conveying pipe, the first flange plate and the second flange plate are respectively in one-to-one correspondence to be propped against the two ends of the sealing gasket, and the bolts are connected to the corresponding first mounting holes and second mounting holes. The connecting structure of the pipeline flange realizes that constructors enter the conveying pipe to connect the two conveying pipes, and effectively ensures the safety of the constructors.
Description
Technical Field
The utility model relates to the field of pipeline connection, in particular to a connection structure of a pipeline flange.
Background
The flange connection structure used by the current pipeline is characterized in that the flange and the bolts are arranged outside the pipeline.
When the large-caliber pipeline is applied to the field of culvert pipes, the pipeline connection mode becomes a constraint condition. When adopting welded connected mode, because the pipeline bore is great, the pipeline is overweight, leads to the construction difficult, and needs to reserve great operating space, leads to excavation work load big, and later stage backfill work load also increases thereupon. When the common flange connection is adopted, operators need to drill a gap between the outer wall of the pipeline and the culvert for operation, so that the size of the opening is far larger than the diameter of the pipe during excavation, and the operators have certain danger in the gap construction.
In view of this, the present inventors have conducted intensive studies on the above problems, and have produced the present utility model.
Disclosure of Invention
The utility model aims to provide a connecting structure of a pipeline flange, which is safe in construction.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the connecting structure of the pipeline flange comprises a first conveying pipe, a second conveying pipe, a sealing gasket and a plurality of bolts, wherein the end part of the first conveying pipe is provided with a first flange plate, the first flange plate is provided with a plurality of first mounting holes, each first mounting hole is positioned in the first conveying pipe,
the end part of the second conveying pipe is provided with a second flange plate, the second flange plate is provided with a plurality of second mounting holes, the first mounting holes and the second mounting holes are respectively in one-to-one correspondence, the second mounting holes are all positioned in the second conveying pipe, the first flange plate and the second flange plate are respectively in one-to-one correspondence and propped against the two ends of the sealing gasket, and the bolts are connected to the corresponding first mounting holes and second mounting holes.
Preferably, the device further comprises an annular rubber ring, the outer periphery of the annular rubber ring is provided with a first side wall and a second side wall which are arranged around the annular rubber ring, the first side wall and the second side wall are oppositely arranged, a closed groove is formed between the first side wall and the second side wall,
the first conveying pipe is provided with a first connecting plate protruding out of the outer wall of the first conveying pipe, one side, far away from the central axis of the first conveying pipe, of the first connecting plate is connected with a first spacing plate, the first spacing plate and the first connecting plate are mutually perpendicular, the first connecting plate and the first flange plate are oppositely arranged, and a first sealing groove is formed between the first flange plate and the first connecting plate;
the second conveying pipe is provided with a second connecting plate protruding out of the outer wall of the second conveying pipe, one side, away from the outer wall of the second conveying pipe, of the second connecting plate is connected with a second spacing plate, the second spacing plate and the second connecting plate are mutually perpendicular, the second connecting plate and the second flange plate are oppositely arranged, and a second sealing groove is formed between the second flange plate and the second connecting plate;
the first side wall and the second side wall are respectively abutted against the first sealing groove and the second sealing groove in a one-to-one correspondence mode, and the first flange plate, the second flange plate and the bolts are all located in the closed groove.
Preferably, the outer periphery of the first side wall is circumferentially provided with a first supporting portion, the outer periphery of the second side wall is circumferentially provided with a second supporting portion, the first supporting portion abuts against the first sealing groove, and the second supporting portion abuts against the second sealing groove.
Preferably, the device further comprises at least two bolt groove covers, wherein each bolt groove cover is connected end to end in sequence around the central axis of the annular rubber ring, and each bolt groove cover abuts against the annular rubber ring.
Preferably, two adjacent bolt slot covers are connected with each other through a bolt.
By adopting the design scheme, the utility model has the beneficial effects that: the first mounting holes of the first flange plate and the second mounting holes of the second flange plate are arranged in the pipeline, so that constructors can drill into the pipeline to connect the pipeline, the constructors can be prevented from drilling gaps between the outer wall of the pipeline and the culvert to operate, the safety of the constructors is effectively guaranteed, and the safety of the pipeline connection is improved; meanwhile, the excavation and backfilling workload of the culvert is reduced, and the working efficiency is effectively improved.
Drawings
FIG. 1 is a schematic structural view of a connecting structure of the present utility model;
FIG. 2 is a partial perspective view of the present utility model after four bolt slot covers are attached;
FIG. 3 is a schematic view of a partial connection of the bolt slot cover of the present utility model;
in the figure:
10. a first conveying pipe 11, a first flange plate 12, a first connecting plate 13 and a first partition plate,
20. a second conveying pipe 21, a second flange plate 22, a second connecting plate 23 and a second spacing plate,
30. the sealing gasket is provided with a sealing groove,
40. the bolt is used for fixing the bolt,
50. an annular rubber ring 51, a first side wall 511, a first supporting portion 52, a second side wall 521, a second supporting portion 53, a closed groove,
60. bolt slot cover, 70, bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
As shown in fig. 1-3, a connection structure of a pipe flange includes a first conveying pipe 10, a second conveying pipe 20, a sealing gasket 30 and a plurality of bolts 40, wherein the end portion of the first conveying pipe 10 is integrally connected with a first flange plate 11, a plurality of first mounting holes are formed in the first flange plate 11, the plurality of first mounting holes are uniformly distributed, and each first mounting hole is located in the first conveying pipe 10.
The gasket 30 of the present embodiment may employ, but is not limited to, a conventional rubber gasket.
The bolt 40 of the present embodiment includes a nut for locking the bolt, and the locking of the bolt and the nut is a conventional manner, which will not be described in detail.
The end of the second conveying pipe 20 is integrally connected with a second flange plate 21, a plurality of second mounting holes are formed in the second flange plate 21, the first mounting holes and the second mounting holes are in one-to-one correspondence respectively, the second mounting holes are located in the second conveying pipe 20, the first flange plate and the second flange plate are in one-to-one correspondence respectively and abut against two ends of the sealing gasket 30, the bolts 40 are connected to the corresponding first mounting holes and the second mounting holes, and the first conveying pipe 10 and the second conveying pipe 20 are locked together.
In this embodiment, the sealing pad 30 is provided with a plurality of third mounting holes, each third mounting hole corresponds to each second mounting hole one by one, so that when the first conveying pipe 10 and the second conveying pipe 20 are propped against two ends of the sealing pad 30, the bolts 40 can sequentially penetrate through the first mounting holes, the third mounting holes and the second mounting holes to connect the first conveying pipe 10 and the second conveying pipe 20 together, and the sealing property between the first conveying pipe 10 and the second conveying pipe 20 is enhanced by arranging the sealing pad 30.
As a preferred mode of the present embodiment, the present utility model further comprises an annular rubber ring 50, the outer periphery of the annular rubber ring 50 is provided with a first side wall 51 and a second side wall 52 which are arranged around the annular rubber ring, the first side wall 51 and the second side wall 52 are oppositely arranged, and a closed groove 53 is formed between the first side wall 51 and the second side wall 52.
The first conveying pipe 10 is provided with a first connecting plate 12 protruding out of the outer wall of the first conveying pipe 10, the first connecting plate 12 is arranged perpendicular to the central axis of the first conveying pipe 10, one side, far away from the central axis of the first conveying pipe 10, of the first connecting plate 12 is connected with a first spacing plate 13, the first spacing plate 13 is arranged perpendicular to the first connecting plate 12, the first connecting plate 12 is arranged opposite to the first flange plate 11, and a first sealing groove is formed between the first flange plate 11 and the first connecting plate 12; the first connecting plate 12 of the present embodiment is integrally connected to the outer periphery of the end portion of the first conveying pipe 10, the first partition plate 13 is integrally connected to the first connecting plate 12, and the first flange 11 is integrally connected to the first partition plate 13.
The second conveying pipe 20 is provided with a second connecting plate 22 protruding out of the outer wall of the second conveying pipe 20, the second connecting plate 22 is perpendicular to the central axis of the second conveying pipe 20, one side, far away from the outer wall of the second conveying pipe 20, of the second connecting plate 22 is connected with a second spacing plate 23, the second spacing plate 23 is perpendicular to the second connecting plate 22, the second connecting plate 22 is opposite to the second flange plate 21, and a second sealing groove is formed between the second flange plate 21 and the second connecting plate 22; the second connecting plate 22 of the present embodiment is integrally connected to the outer periphery of the end portion of the second conveying pipe 20, the second partition plate 23 is integrally connected to the second connecting plate 22, and the second flange 21 is integrally connected to the second partition plate 23.
The first side wall 51 and the second side wall 52 are respectively abutted against the first sealing groove and the second sealing groove in a one-to-one correspondence manner, and the first flange 11, the second flange 21 and each bolt 40 are positioned in the closed groove 53; the first flange 11, the second flange 21, and the bolts 40 are sealed by the seal grooves 53, so that the bolts 40 are prevented from being in contact with a medium such as air or water, and the bolts 40 are protected.
As a preferable mode of this embodiment, the first supporting portion 511 is disposed around the outer periphery of the first side wall 51, the second supporting portion 521 is disposed around the outer periphery of the second side wall 52, the first supporting portion 511 abuts against the first sealing groove, the second supporting portion 521 abuts against the second sealing groove, and the contact between the annular rubber ring 50 and the sealing groove is increased by providing the first supporting portion 511 and the second supporting portion 521, so that the sealing performance is enhanced.
As a preferred mode of this embodiment, the present utility model further includes at least two bolt groove covers 60, each bolt groove cover 60 is sequentially connected end to end around the central axis of the annular rubber ring 50, each bolt groove cover 60 is respectively abutted against the annular rubber ring 50, and two adjacent bolt groove covers 60 are connected to each other by a bolt 70.
The outer periphery of the bolt slot cover 60 of the present embodiment has a U-shaped slot, and two slot walls of the U-shaped slot are respectively abutted against the first support portion 511 and the second support portion 521 in a one-to-one correspondence manner, and the bolt slot cover 60 is provided for reinforcing the connection between the annular rubber ring 50 and the conveying pipe, so as to ensure the tightness.
In this embodiment, taking four bolt slot covers 60 as an example, one end of the bolt slot cover 60 is provided with two integrally connected connecting portions 61, the two connecting portions 61 are oppositely arranged, each connecting portion 61 is provided with a through hole, two slot walls of the bolt slot cover 60 corresponding to the U-shaped slot are respectively provided with a through hole, and the through holes on the two side walls are coaxially arranged. Connection of two adjacent bolt slot covers 60: the connection portion 61 of one bolt slot cover 60 is inserted into the U-shaped slot of the other bolt slot cover 60, through holes in the two connection portions 61 of the connection slot cover 60 are coaxially arranged in one-to-one correspondence with the through holes in the other bolt slot cover 60, and then the adjacent two bolt slot covers 60 are connected together by inserting the bolts 70.
The four bolt groove covers 60 of this embodiment are sequentially connected end to form a ring, and the inner diameter of the ring is consistent with the inner diameter of the first conveying pipe 10, and the sealing structure between the two conveying pipes is arranged in the sealing groove by arranging the sealing groove protruding out of the outer wall of the conveying pipe, so that the inner diameter of the conveying pipe is not affected, and the connection in the pipe can be realized.
The connection mode of the connection structure is as follows: the first conveying pipe 10 is propped against one end of the sealing gasket 30, the first mounting holes and the third mounting holes are coaxially arranged in a one-to-one correspondence mode, the second conveying pipe 20 is propped against the other end of the sealing gasket 30, the second mounting holes and the third mounting holes are coaxially arranged in a one-to-one correspondence mode, constructors enter the conveying pipe to lock the first conveying pipe 10 and the second conveying pipe 20 together through bolts, then the annular rubber ring 50 is propped against the first sealing groove and the second sealing groove, finally the four bolt groove covers 60 are sequentially connected, the U-shaped grooves of the bolt groove covers 60 are propped against the annular rubber ring 50, and the constructors can come out from the conveying pipe.
In summary, the connecting structure of the pipeline flange realizes that constructors enter the conveying pipe to connect the two conveying pipes, avoids the constructors from drilling a gap between the outer wall of the pipeline and the culvert to operate, effectively ensures the safety of the constructors, and improves the safety of pipeline connection; meanwhile, the excavation and backfilling workload of the culvert is reduced, and the working efficiency is effectively improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A connection structure of pipeline flange, its characterized in that: comprises a first conveying pipe, a second conveying pipe, a sealing gasket and a plurality of bolts, wherein a first flange is arranged at the end part of the first conveying pipe, a plurality of first mounting holes are formed in the first flange, each first mounting hole is positioned in the first conveying pipe,
the end part of the second conveying pipe is provided with a second flange plate, the second flange plate is provided with a plurality of second mounting holes, the first mounting holes and the second mounting holes are respectively in one-to-one correspondence, the second mounting holes are all positioned in the second conveying pipe, the first flange plate and the second flange plate are respectively in one-to-one correspondence and propped against the two ends of the sealing gasket, and the bolts are connected to the corresponding first mounting holes and second mounting holes.
2. A connection structure of a pipe flange according to claim 1, wherein: the device also comprises an annular rubber ring, the outer periphery of the annular rubber ring is provided with a first side wall and a second side wall which are arranged around the annular rubber ring, the first side wall and the second side wall are oppositely arranged, a closed groove is formed between the first side wall and the second side wall,
the first conveying pipe is provided with a first connecting plate protruding out of the outer wall of the first conveying pipe, one side, far away from the central axis of the first conveying pipe, of the first connecting plate is connected with a first spacing plate, the first spacing plate and the first connecting plate are mutually perpendicular, the first connecting plate and the first flange plate are oppositely arranged, and a first sealing groove is formed between the first flange plate and the first connecting plate;
the second conveying pipe is provided with a second connecting plate protruding out of the outer wall of the second conveying pipe, one side, away from the outer wall of the second conveying pipe, of the second connecting plate is connected with a second spacing plate, the second spacing plate and the second connecting plate are mutually perpendicular, the second connecting plate and the second flange plate are oppositely arranged, and a second sealing groove is formed between the second flange plate and the second connecting plate;
the first side wall and the second side wall are respectively abutted against the first sealing groove and the second sealing groove in a one-to-one correspondence mode, and the first flange plate, the second flange plate and the bolts are all located in the closed groove.
3. A connection structure of a pipe flange according to claim 2, wherein: the outer periphery of the first side wall is circumferentially provided with a first supporting part, the outer periphery of the second side wall is circumferentially provided with a second supporting part, the first supporting part is propped in the first sealing groove, and the second supporting part is propped in the second sealing groove.
4. A connection structure of a pipe flange according to claim 2 or 3, characterized in that: the annular rubber ring is characterized by further comprising at least two bolt groove covers, wherein the bolt groove covers are sequentially connected end to end around the central axis of the annular rubber ring, and the bolt groove covers are propped against the annular rubber ring.
5. A connection structure of a pipe flange according to claim 4, wherein: the two adjacent bolt groove covers are connected with each other through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223077506.1U CN219549849U (en) | 2022-11-21 | 2022-11-21 | Connection structure of pipeline flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223077506.1U CN219549849U (en) | 2022-11-21 | 2022-11-21 | Connection structure of pipeline flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549849U true CN219549849U (en) | 2023-08-18 |
Family
ID=87700931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223077506.1U Active CN219549849U (en) | 2022-11-21 | 2022-11-21 | Connection structure of pipeline flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549849U (en) |
-
2022
- 2022-11-21 CN CN202223077506.1U patent/CN219549849U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |