CN219755652U - Leakage-proof connecting structure based on natural gas pipeline - Google Patents
Leakage-proof connecting structure based on natural gas pipeline Download PDFInfo
- Publication number
- CN219755652U CN219755652U CN202321120306.1U CN202321120306U CN219755652U CN 219755652 U CN219755652 U CN 219755652U CN 202321120306 U CN202321120306 U CN 202321120306U CN 219755652 U CN219755652 U CN 219755652U
- Authority
- CN
- China
- Prior art keywords
- flange plate
- natural gas
- gas pipeline
- flange
- structure based
- 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.)
- Active
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 239000003345 natural gas Substances 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 230000000694 effects Effects 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of connection structures and provides a leakage-proof connection structure based on a natural gas pipeline, which comprises a first flange plate, a second flange plate arranged on one side of the first flange plate, and a natural gas pipeline main body arranged at one end of the first flange plate and one end of the second flange plate, wherein fixing holes are formed in the outer sides of the first flange plate and the second flange plate, and a sealing structure is arranged at one end of the inner part of the first flange plate and one end of the inner part of the second flange plate.
Description
Technical Field
The utility model relates to the technical field of connection structures, in particular to a leakage-proof connection structure based on a natural gas pipeline.
Background
The flange is called flange plate or flange to connect pipe and pipe parts, and when natural gas pipeline is laid, the natural gas pipeline is connected by using the connecting structure;
at present, since the connection structure is used for the connection of the natural gas pipeline, the sealing of the connection part is very important, if the sealing of the connection part is poor, natural gas leakage is very easy to occur, and some potential safety hazards are generated, so that the leakage-proof connection structure based on the natural gas pipeline is needed.
Disclosure of Invention
First, the technical problem to be solved
The utility model aims to provide a leakage-proof connecting structure based on a natural gas pipeline, which is used for solving the defects that the leakage-proof connecting structure based on the natural gas pipeline is used for connecting the natural gas pipeline, the sealing of the connecting part is very important, and if the sealing of the connecting part is poor, the leakage of the natural gas is extremely easy to cause and some potential safety hazards are generated.
(II) summary of the utility model
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a leak protection connection structure based on natural gas line, includes first ring flange, sets up the second ring flange in first ring flange one side to and set up the natural gas line main part in first ring flange and second ring flange one end, fixed orifices have all been seted up to the outside of first ring flange and second ring flange, and the inside one end of first ring flange and second ring flange is provided with seal structure, and the outside of first ring flange is provided with protective structure;
the sealing structure comprises a pipeline fixing groove formed in one end of the inside of the first flange plate and one end of the inside of the second flange plate, a sealing ring arranged in the inside of the pipeline fixing groove, a limiting block arranged on the outer side of one end of the first flange plate, a limiting groove formed on the outer side of one end of the second flange plate and a sealing gasket arranged in the inside of the limiting groove.
Preferably, the outer diameter of the limiting block is slightly smaller than the inner diameter of the limiting groove, and the limiting block can be inserted into the limiting groove to limit the connection between the first flange plate and the second flange plate.
Preferably, the inside that the stopper card was gone into the spacing groove can sticis with sealed the pad, and sealed pad acts on the junction of stopper and spacing groove can improve its sealed effect.
Preferably, the sealing gasket is provided with one, and the shape of the sealing gasket is of annular design.
Preferably, the inner diameter of the pipeline fixing groove is slightly larger than the outer diameter of the natural gas pipeline main body, the natural gas pipeline main body is inserted into the pipeline fixing groove and can be tightly pressed with the sealing ring, and the sealing ring acts on the joint of the natural gas pipeline main body and the first flange plate and the second flange plate, so that the sealing effect of the natural gas pipeline main body can be improved.
Preferably, the protection structure comprises a first protection shell arranged outside the first flange plate, a second protection shell arranged outside the second flange plate, and a connecting block arranged on the outer side walls of the first protection shell and the second protection shell.
Preferably, the protection structure further comprises a through hole formed in the connecting block, a fixing bolt arranged in the through hole, a slot formed in the outer side of one end of the first protection shell, and an inserting block arranged in the slot, wherein the inserting block is fixed on the outer side of one end of the second protection shell.
Preferably, the through holes are arranged in a plurality, and the through holes are distributed at equal intervals in the connecting block.
(III) beneficial effects
The leakage-proof connecting structure based on the natural gas pipeline has the advantages that: by arranging the sealing structure, the sealing effect of the sealing ring when the first flange plate and the second flange plate are connected with the natural gas pipeline main body is improved, and the sealing effect of the sealing gasket when the first flange plate and the second flange plate are connected is improved, so that the sealing effect of the connecting structure when the connecting structure is connected with the natural gas pipeline can be ensured, the sealing effect of the connecting structure when the first flange plate and the second flange plate are connected can be improved, and the problem of leakage can be prevented to a certain extent when natural gas is conveyed;
through setting up protective structure, utilize first protective housing and second protective housing to constitute a cover body in the outside of first ring flange and second ring flange, can be to a certain extent with first ring flange and second ring flange and be used for the bolt of fixing isolated with outside air, rainwater etc. to prevent that first ring flange and second ring flange from contacting with air, rainwater etc. for a long time, receive corrosion influence its life.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall perspective structure of the present utility model;
FIG. 2 is a schematic diagram of the overall three-dimensional structure of the present utility model;
FIG. 3 is a schematic diagram of the overall three-dimensional structure of the present utility model;
FIG. 4 is a schematic perspective view of a protective structure according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
Reference numerals in the drawings illustrate: 1. a first flange; 2. a second flange; 3. a natural gas pipeline body; 4. a fixing hole; 5. a sealing structure; 51. a limiting block; 52. a limit groove; 53. a sealing gasket; 54. a pipe fixing groove; 55. a seal ring; 6. a protective structure; 61. a first protective shell; 62. a second protective shell; 63. a connecting block; 64. a through hole; 65. a fixing bolt; 66. inserting blocks; 67. a slot.
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.
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.
Referring to fig. 1, the leak-proof connection structure based on a natural gas pipeline of the present utility model includes a first flange 1, a second flange 2 disposed on one side of the first flange 1, and a natural gas pipeline main body 3 disposed on one end of the first flange 1 and one end of the second flange 2, wherein fixing holes 4 are formed on outer sides of the first flange 1 and the second flange 2, a sealing structure 5 is disposed on one end of the first flange 1 and one end of the second flange 2, and a protection structure 6 is disposed on the outer side of the first flange 1.
The utility model is further described below with reference to examples.
Example 1
Referring to fig. 1, 2 and 5, a leak-proof connection structure based on a natural gas pipeline, the sealing structure 5 comprises a pipeline fixing groove 54 formed in one end of the inside of a first flange plate 1 and one end of a second flange plate 2, a sealing ring 55 arranged in the pipeline fixing groove 54, a limiting block 51 arranged on the outer side of one end of the first flange plate 1, a limiting groove 52 formed on the outer side of one end of the second flange plate 2, and a sealing gasket 53 arranged in the limiting groove 52, wherein the outer diameter of the limiting block 51 is slightly smaller than the inner diameter of the limiting groove 52, the limiting block 51 can be inserted into the limiting groove 52 to play a limiting role in connecting the first flange plate 1 and the second flange plate 2, the limiting block 51 is clamped into the limiting groove 52 and can be tightly pressed with the sealing gasket 53, the sealing gasket 53 acts on the connecting part of the limiting block 51 and the limiting groove 52, the sealing gasket 53 is provided with one, the shape of the sealing gasket 53 is in an annular design, the inner diameter of the pipeline fixing groove 54 is slightly larger than the outer diameter of a natural gas pipeline main body 3, the natural gas main body 3 is inserted into the pipeline fixing groove 54, the inside the limiting block 55 can be tightly pressed with the sealing ring 55, and the sealing ring 55 acts on the connecting part of the first flange plate 1 and the second flange plate 2;
when the connecting device is used, the first flange plate 1 and the second flange plate 2 are arranged at the end of the natural gas pipeline main body 3 to be connected, then the first flange plate 1 is in butt joint with the second flange plate 2, a plurality of fixing holes 4 formed in the outer side of the first flange plate are aligned, and the first flange plate 1 and the second flange plate 2 are tightly connected by using bolts, so that the connecting operation of the natural gas pipeline main body 3 can be completed;
since the connection structure is used for the connection of the natural gas pipeline main body 3, the sealing of the connection part is very important, if the sealing performance of the connection part is poor, natural gas leakage is very easy to cause, and potential safety hazards are generated, therefore, when the first flange plate 1 and the second flange plate 2 are installed at the connection end of the natural gas pipeline main body 3, the connection end of the natural gas pipeline main body 3 can be inserted into the pipeline fixing groove 54, the connection end of the natural gas pipeline main body 3 can be tightly pressed with the sealing ring 55 arranged in the pipeline fixing groove 54, the sealing ring 55 acts between the natural gas pipeline main body 3 and the pipeline fixing groove 54, the sealing effect of the natural gas pipeline main body 3 installed on the first flange plate 1 and the second flange plate 2 can be improved to a certain extent, and when the first flange plate 1 and the second flange plate 2 are connected, the limiting block 51 arranged at one end of the first flange plate 1 can be clamped into the limiting groove 52 arranged at one end of the second flange plate 2, the limiting block 51 and the limiting groove 52 can play a certain limiting role in butt joint of the first flange plate 1 and the second flange plate 2, the first flange plate 1 and the second flange plate 2 can be aligned neatly, the positions of the fixing holes 4 arranged at the outer side of the limiting block can be aligned, the bolt can be conveniently inserted and fixed, when the limiting block 51 is clamped into the limiting groove 52, the limiting block 51 can tightly press the sealing gasket 53 in the limiting groove 52, the sealing gasket 53 acts on the joint of the limiting block 51 and the limiting groove 52, the sealing effect when the first flange plate 1 and the second flange plate 2 are connected can be improved to a certain extent, the sealing effect when the first flange plate 1 and the second flange plate 2 are connected with the natural gas pipeline main body 3 can be improved by the sealing ring 55, the sealing effect when the first flange plate 1 is connected with the second flange plate 2 is improved by the sealing gasket 53, so that the sealing effect when the connecting structure is connected with a natural gas pipeline can be guaranteed, the sealing effect when the first flange plate 1 is connected with the second flange plate 2 can be improved, and the problem of leakage can be prevented to a certain extent when natural gas is conveyed.
Example two
Referring to fig. 3 and 4, a leakage-proof connection structure based on a natural gas pipeline, the protection structure 6 includes a first protection shell 61 disposed outside the first flange 1, a second protection shell 62 disposed outside the second flange 2, and a connection block 63 disposed on the outer side walls of the first protection shell 61 and the second protection shell 62, the protection structure 6 further includes a through hole 64 formed inside the connection block 63, a fixing bolt 65 disposed inside the through hole 64, a slot 67 formed outside one end of the first protection shell 61, and an insert block 66 disposed inside the slot 67, wherein the insert block 66 is fixed outside one end of the second protection shell 62, the through hole 64 is provided with a plurality of through holes 64 distributed at equal intervals inside the connection block 63;
the first protective shell 61 is arranged outside the first flange plate 1, the second protective shell 62 is arranged outside the second flange plate 2, after the first flange plate 1 and the second flange plate 2 are used for connecting the natural gas pipeline main body 3, the first protective shell 61 and the second protective shell 62 can be connected, the first protective shell 61 and the second protective shell 62 are moved, the insert blocks 66 are clamped into the slots 67, then the through holes 64 formed in the connecting blocks 63 outside the first protective shell 61 and the second protective shell 62 are aligned, the fixing bolts 65 are inserted into the through holes 64, the connecting blocks 63 are pressed by the fixing bolts 65, the first protective shell 61 and the second protective shell 62 can be connected, and the first protective shell 61 and the second protective shell 62 form a cover body outside the first flange plate 1 and the second flange plate 2 and the bolts used for fixing the first flange plate 1 and the second flange plate 2, and outside air, rainwater and the like, so that the first flange plate 1 and the second flange plate 2 can be prevented from being corroded by a long time, the service life of the rainwater and the like can be prevented.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (8)
1. The utility model provides a leak protection connection structure based on natural gas line, includes first ring flange (1), sets up second ring flange (2) in first ring flange (1) one side to and set up natural gas line main part (3) in first ring flange (1) and second ring flange (2) one end, its characterized in that: the outer sides of the first flange plate (1) and the second flange plate (2) are provided with fixing holes (4), one end of the inner parts of the first flange plate (1) and the second flange plate (2) is provided with a sealing structure (5), and the outer part of the first flange plate (1) is provided with a protection structure (6);
the sealing structure (5) comprises a pipeline fixing groove (54) formed in one end of the inside of the first flange plate (1) and the second flange plate (2), a sealing ring (55) arranged in the pipeline fixing groove (54), a limiting block (51) arranged on the outer side of one end of the first flange plate (1), a limiting groove (52) formed on the outer side of one end of the second flange plate (2) and a sealing gasket (53) arranged in the limiting groove (52).
2. The leak-proof connecting structure based on a natural gas pipeline according to claim 1, wherein: the outer diameter of the limiting block (51) is slightly smaller than the inner diameter of the limiting groove (52), and the limiting block (51) can be inserted into the limiting groove (52) to limit the connection of the first flange plate (1) and the second flange plate (2).
3. The leak-proof connecting structure based on a natural gas pipeline according to claim 1, wherein: the inside that stopper (51) card was gone into spacing groove (52) can sticis with sealed pad (53), and sealed pad (53) acts on the junction of stopper (51) and spacing groove (52) can improve its sealed effect.
4. The leak-proof connecting structure based on a natural gas pipeline according to claim 1, wherein: the sealing gasket (53) is provided with one, and the shape of the sealing gasket (53) is of annular design.
5. The leak-proof connecting structure based on a natural gas pipeline according to claim 1, wherein: the internal diameter of pipeline fixed slot (54) is slightly greater than the external diameter of natural gas pipeline main part (3), and inside that natural gas pipeline main part (3) inserted pipeline fixed slot (54) can sticis with sealing washer (55), and sealing washer (55) act on the junction of natural gas pipeline main part (3) and first ring flange (1) and second ring flange (2) can improve its sealed effect.
6. The leak-proof connecting structure based on a natural gas pipeline according to claim 1, wherein: the protection structure (6) comprises a first protection shell (61) arranged outside the first flange plate (1), a second protection shell (62) arranged outside the second flange plate (2), and a connecting block (63) arranged on the outer side walls of the first protection shell (61) and the second protection shell (62).
7. The leak-proof connecting structure based on a natural gas pipeline according to claim 6, wherein: the protection structure (6) further comprises a through hole (64) formed in the connecting block (63), a fixing bolt (65) arranged in the through hole (64), a slot (67) formed in the outer side of one end of the first protection shell (61), and an inserting block (66) arranged in the slot (67), wherein the inserting block (66) is fixed on the outer side of one end of the second protection shell (62).
8. The leak-proof connecting structure based on a natural gas pipeline according to claim 7, wherein: the through holes (64) are arranged in a plurality, and the through holes (64) are distributed at equal intervals in the connecting block (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321120306.1U CN219755652U (en) | 2023-05-11 | 2023-05-11 | Leakage-proof connecting structure based on natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321120306.1U CN219755652U (en) | 2023-05-11 | 2023-05-11 | Leakage-proof connecting structure based on natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755652U true CN219755652U (en) | 2023-09-26 |
Family
ID=88087470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321120306.1U Active CN219755652U (en) | 2023-05-11 | 2023-05-11 | Leakage-proof connecting structure based on natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755652U (en) |
-
2023
- 2023-05-11 CN CN202321120306.1U patent/CN219755652U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216158522U (en) | Pipeline leakage-proof structure | |
| CN219755652U (en) | Leakage-proof connecting structure based on natural gas pipeline | |
| CN211315423U (en) | Connecting mechanism of pipeline for environmental protection | |
| CN216955043U (en) | Small-bore flange junction gas tightness detection device | |
| CN215891562U (en) | Plugging device suitable for marine hose connector is used in test of suppressing | |
| CN201715154U (en) | Special joint applied on fuel gas corrugated flexible pipe | |
| CN214146940U (en) | Flange pipe fitting with flange connection structure | |
| CN214789607U (en) | Stainless steel flange with good sealing performance | |
| CN210920467U (en) | Socket joint type plastic-coated composite steel pipe with OT double-sealing rubber ring | |
| CN209909364U (en) | Plug-in type flaring type pipeline joint | |
| CN216344520U (en) | Neck flange with high-efficient seal structure | |
| CN220204982U (en) | Flange with good sealing effect | |
| CN101153682A (en) | Terminal sealing structure of air conditioner pipe lines | |
| CN218441096U (en) | Novel sealing joint for pipeline | |
| CN219571161U (en) | Leak-proof combustor pipeline connecting piece | |
| CN219300149U (en) | Pipeline butt joint fixing device | |
| CN216307011U (en) | Natural gas line interface sealing device | |
| CN218914131U (en) | Three-way quick pipe joint | |
| CN215488152U (en) | Plug-in type compressed air pipeline gas transmission joint | |
| CN210484272U (en) | Wear-resisting stainless steel flange that sealing performance is good | |
| CN214331459U (en) | Crimping formula pipe fitting sealing washer | |
| CN219588338U (en) | Gas pipeline connecting device | |
| CN214789573U (en) | Anti-leakage drinking water pipeline | |
| CN201651659U (en) | Environmental protection sealing gasket for pipe fitting leak stopper | |
| CN217402068U (en) | Plugging equipment that prefabricated direct-burried insulating tube leakproofness is high |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |