CN218094197U - High-pressure corrosion-resistant sealing gasket and high-pressure sealing pipeline - Google Patents
High-pressure corrosion-resistant sealing gasket and high-pressure sealing pipeline Download PDFInfo
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- CN218094197U CN218094197U CN202221023358.2U CN202221023358U CN218094197U CN 218094197 U CN218094197 U CN 218094197U CN 202221023358 U CN202221023358 U CN 202221023358U CN 218094197 U CN218094197 U CN 218094197U
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Abstract
The utility model relates to a high-pressure corrosion-resistant sealing gasket and a high-pressure sealing pipeline, which comprise a sealing gasket body; the middle of the sealing pad body is provided with a through hole; sealing grooves are symmetrically arranged on two sides of the sealing pad body, one side of each sealing groove, which is close to the through hole, is a first sealing surface, and one side of each sealing groove, which is far away from the through hole, is a second sealing surface; the first sealing surface inclines towards the direction close to the through hole from the bottom to the top of the sealing groove; the second sealing surface inclines towards the direction far away from the through hole from the bottom to the top of the sealing groove; the bottom of the sealing groove is provided with a pressure hole which is communicated with the two sides of the sealing gasket body. The utility model discloses be provided with the pressure port on the well sealing gasket body, can guarantee the horizontality of installation, adopt the structure of the sealed recess of two-sided and the boss interference fit of connecting piece simultaneously, increase the leakproofness of sealed pad, increase of service life.
Description
Technical Field
The utility model belongs to the technical field of the pipeline sealing technique and specifically relates to indicate a high pressure is corrosion-resistant with sealed the pad and high-pressure seal pipeline.
Background
With the gradual deepening of land oil and gas exploitation strata and the deepening and popularization of ocean oil and gas development, higher requirements are put forward on the corrosion resistance and the high pressure resistance of oil and gas equipment sealing. In the process of oil exploitation, the oil pressure in the pipeline is high, and the sealing at the pipeline joint is particularly important.
When high-pressure pipelines are connected, flange connection and clamp connection are generally adopted, and a sealing gasket is added at the joint for sealing, so that the sealing performance of the pipelines is ensured. Among the prior art, when high pressure line sealed, chooseed for use flat packing ring and eight star rubber pads usually, because the restriction of the structure and the material of gasket, rely on the plasticity of sealing washer in the connection process, extrude the sealing washer between two flanges and clamp. In a high-pressure pipeline, the deformation of a sealing ring can be reduced due to high pressure intensity, and the problem of leakage caused by poor sealing can occur after the high-pressure pipeline is used for a period of time.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defect of poor sealing of the sealing ring at the joint of the high-pressure pipeline in the prior art; the high-pressure corrosion-resistant sealing gasket is designed, the sealing performance and the corrosion resistance of the sealing gasket at the joint are improved, and the service life is prolonged.
In order to solve the technical problem, the utility model provides a high-pressure corrosion-resistant sealing gasket, which comprises a sealing gasket body;
a through hole is formed in the middle of the sealing pad body;
sealing grooves are symmetrically arranged on two sides of the sealing pad body, one side of each sealing groove, which is close to the through hole, is a first sealing surface, and one side of each sealing groove, which is far away from the through hole, is a second sealing surface;
the first sealing surface inclines towards the direction close to the through hole from the bottom to the top of the sealing groove; the second sealing surface inclines in the direction away from the through hole from the bottom to the top of the sealing groove;
the bottom of the sealing groove is provided with a pressure hole which is communicated with the two sides of the sealing pad body.
In an embodiment of the present invention, a skirt is disposed at the center of the gasket body and extends outwards, and the skirt corresponds to the bottom surface of the sealing groove.
In an embodiment of the present invention, a plurality of bayonets are disposed on the skirt.
In an embodiment of the present invention, a rounded corner is disposed between the top of the sealing groove and the first sealing surface and the second sealing surface.
In an embodiment of the present invention, a pressure hole is disposed in the sealing groove.
The high-pressure sealing pipeline further comprises flanges, the two flanges are symmetrically arranged at the ports of the two pipelines, and the sealing gasket body is arranged between the two flanges; the flange with one side of the laminating of sealed pad body is provided with the boss, the boss with sealed recess shape phase-match, just the height of boss is less than sealed recess's the degree of depth.
The utility model discloses an in the embodiment, the inside pressure channel that is provided with of flange, pressure channel with the pressure hole communicates with each other, pressure channel's port department is provided with the end cap.
The utility model discloses an in one embodiment, two the flange is provided with the clamp in the junction, the clamp card is established the outside of flange.
In an embodiment of the present invention, the size of the through hole on the sealing gasket body corresponds to the inner diameter of the pipeline.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the sealing gasket for high pressure corrosion resistance and the high pressure sealing pipeline provided by the utility model have the advantages that the sealing grooves arranged at the two sides of the sealing gasket are matched with the connecting flange, the sealing grooves are provided with the sealing inclined planes, and the sealing performance is improved through the interference fit between the sealing inclined planes and the flange at the connecting part; secondly set up the pressure port bottom sealed recess and can guarantee that the gasket body is more level and more smooth in the installation, further improved the utility model discloses a leakproofness.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
FIG. 1 is an assembled cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a cross-sectional view of the gasket body of FIG. 1;
FIG. 4 is a top view of the gasket body of FIG. 1;
the specification reference numbers indicate: 1. a gasket body; 2. a flange; 11. sealing the groove; 12. a pressure port; 13. a skirt edge; 14. a bayonet; 15. a through hole; 21. a pressure channel; 111. a first sealing surface; 112. a second sealing surface.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
Referring to fig. 1-3, the high-pressure corrosion-resistant sealing gasket of the present invention comprises a sealing gasket body 1;
the middle of the sealing pad body 1 is provided with a through hole 15; the through hole 15 is communicated with the inside of the connecting pipe at two sides;
the two sides of the sealing gasket body 1 are symmetrically provided with sealing grooves 11, one side of each sealing groove 11 close to the through hole 15 is a first sealing surface 111, and one side of each sealing groove 11 far away from the through hole 15 is a second sealing surface 112; as can be seen from the figure, in the longitudinal section of the whole sealing gasket body 1, the sealing gasket body 1 is H-shaped, the H-shaped sealing grooves 11 are clamped on two sides of the connecting piece, sealing inclined planes are arranged on two sides of each sealing groove 11 to form taper, and the sealing performance between the connecting pieces is better ensured through interference fit with the connecting pieces. Secondly, the bottom of the sealing groove 11 is provided with a pressure hole 12, the pressure hole 12 is communicated with the two sides of the sealing gasket body 1, the resistance of the sealing gasket body 1 during installation can be reduced due to the arrangement of the pressure hole 12, the sealing gasket body is more horizontal in the installation process, and the sealing performance of the sealing gasket body 1 is improved.
Further, as shown in fig. 3-4, in order to facilitate the installation and removal of the gasket body 1, a skirt 13 is extended from the center of the gasket body 1, and the skirt 13 corresponds to the bottom of the sealing groove 11. In the installation process, the skirt 13 can be taken as a reference, and the horizontal degree of installation of the skirt can be measured; when the sealing gasket is disassembled, the sealing gasket body 1 can be disassembled only by prying the skirt edge 13. Further, the addition of the skirt 13 to the outer side of the gasket body 1 can increase the rigidity of the gasket body 1 to some extent, and increase the mechanical strength.
Furthermore, in order to facilitate the removal of the gasket body 1, a plurality of bayonets 14 are provided on the skirt 13, and the plurality of bayonets 14 are circumferentially distributed on the skirt 13. When the sealing gasket is disassembled, because the sealing gasket body is in a high-pressure environment for a long time, the sealing gasket body is easily attached to the connecting piece too tightly, and a tool is used for rotating the bayonet 14, so that the sealing gasket body is separated from the connecting piece.
Furthermore, in order to facilitate the installation of the gasket body 1, a fillet is arranged between the top of the sealing groove and the first sealing surface and the second sealing surface, so that the stress concentration of the gasket body 1 can be reduced in the installation process, and the installation strength of the gasket body 1 is improved.
Further, as the utility model discloses a preferred scheme, be provided with a pressure port 12 in the sealed recess, at first, the purpose of pressure port 12 is to reduce the installation resistance, if be provided with a plurality ofly, can influence the sealed effect of the sealed body 1 that fills up.
The utility model provides a high-pressure sealed pipeline, the corrosion-resistant sealed pad of using of high pressure that includes still includes flange 2, and two flange 2 symmetries set up the port at two pipelines, and sealed pad body 1 sets up between two flanges 2. It can be seen that the sealing ring is arranged between the two flanges 2 for sealing the connection of the two flanges 2. Specifically, one side of the laminating of flange 2 and sealed pad body 1 is provided with the boss, does not laminate between boss and the sealed recess 11, guarantees the laminating of two flanges 2 on the one hand, and on the other hand headspace makes gas can circulate, reduces the installation resistance. In the installation, with the boss laminating of H type recess and a flange 2, press sealed recess 11 on the boss, guarantee the level of gasket body 1 installation simultaneously.
Further, referring to fig. 2, a pressure channel 21 is arranged inside the flange 2, when the gasket is installed, the pressure channel 21 is communicated with the pressure hole 12, so that gas between the gasket body 1 and the flange 2 can be exhausted in the installation process, and the sealing performance of the flange 2 after the installation can be ensured; at the same time, the installation resistance can also be reduced. Specifically, after the installation is completed, the pressure channel 21 is pressurized, and the tightness of the joint of the flanges 2 is detected. Meanwhile, a plug is arranged at the port of the pressure channel 21, and after the pressurizing detection is completed, the plug is plugged in the port of the pressure channel 21.
Further, in order to guarantee the stability and the leakproofness that flange 2 connects, two flange 2 are provided with the clamp at the junction, and the clamp card is established in the outside of flange 2. As the utility model discloses an optimized scheme, the utility model discloses not only be applicable to the connection of high pressure pipeline, still be applicable to the sealed of valve body lid simultaneously.
Further, in order to guarantee the utility model discloses a commonality, the model size of the body 1 that seals up strictly designs according to the pipeline standard, and the 15 sizes of through-hole on the body 1 that seals up are corresponding with the internal diameter of pipeline.
As the utility model discloses a preferred scheme, the material of the sealed body 1 that fills up is the metal, and is concrete the utility model discloses in, the material of sealing ring is stainless steel or HRB92 nickel base corrosion-resistant alloy that hardness is no longer than HRB83, can satisfy general and special corrosion engineering, reduces the change cycle, increase of service life. Meanwhile, different materials are selected according to different use environments.
To sum up, the utility model discloses a high pressure is corrosion-resistant with sealed pad and high-pressure seal pipeline adopts the design of sealed recess 11 two-sided symmetry in the aspect of self structure, and sealed recess 11 both sides are provided with sealed inclined plane. When the sealing gasket is installed, the sealing gasket body 1 is pressed to be tightly attached in an interference manner, and the pressure from the inside and the outside of the sealing space is sealed; meanwhile, the bottom of the sealing groove 11 is provided with a pressure hole 12 which is used for connecting the upper sealing space and the lower sealing space and reducing the installation pressure resistance, so that a channel is provided for self-pressure test; the skirt edge 13 is arranged on the outer side of the sealing gasket body 1, so that the sealing gasket is convenient to grab during installation; the skirt 13 is provided with a bayonet 14, and a disassembling tool such as a screw driver can be disassembled through the bayonet 14, so that the subsequent disassembly and maintenance after the sealing ring is used for a long time are facilitated. The utility model discloses simple structure is applicable to the high pressure corrosion-resistant tube coupling, and the leakproofness is good, reduces the change cycle, increase of service life.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A high-pressure corrosion-resistant sealing gasket is characterized in that: comprises a sealing gasket body;
a through hole is formed in the middle of the sealing pad body;
sealing grooves are symmetrically arranged on two sides of the sealing pad body, one side of each sealing groove, which is close to the through hole, is a first sealing surface, and one side of each sealing groove, which is far away from the through hole, is a second sealing surface;
the first sealing surface inclines towards the direction close to the through hole from the bottom to the top of the sealing groove; the second sealing surface inclines in the direction away from the through hole from the bottom to the top of the sealing groove;
the bottom of the sealing groove is provided with a pressure hole which is communicated with the two sides of the sealing pad body.
2. The gasket for high pressure corrosion resistance according to claim 1, wherein: the center of the sealing gasket body extends outwards to be provided with a skirt edge, and the skirt edge corresponds to the bottom surface of the sealing groove in position.
3. The gasket for high pressure corrosion resistance according to claim 2, wherein: the skirt edge is provided with a plurality of bayonets.
4. The gasket for high pressure corrosion resistance according to claim 1, wherein: and a round angle is formed between the top of the sealing groove and the first sealing surface and the second sealing surface.
5. The gasket for high pressure corrosion resistance according to claim 1, wherein: a pressure hole is arranged in the sealing groove.
6. A high-pressure sealed pipe comprising the high-pressure corrosion-resistant gasket according to any one of claims 1 to 5, wherein: the sealing gasket comprises a sealing gasket body and is characterized by further comprising flanges, wherein the two flanges are symmetrically arranged at the ports of the two pipelines, and the sealing gasket body is arranged between the two flanges; the flange with one side of the laminating of sealed pad body is provided with the boss, the boss with sealed recess shape phase-match, just the height of boss is less than sealed recess's degree of depth.
7. The high pressure sealed conduit of claim 6, wherein: the flange is internally provided with a pressure channel, the pressure channel is communicated with a pressure hole of the high-pressure corrosion-resistant sealing gasket, and a plug is arranged at the port of the pressure channel.
8. The high pressure sealed conduit of claim 6, wherein: two the flange is provided with the clamp in the junction, the clamp card is established the outside of flange.
9. The high pressure sealed conduit of claim 6, wherein: the size of the through hole on the sealing gasket body corresponds to the inner diameter of the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221023358.2U CN218094197U (en) | 2022-04-29 | 2022-04-29 | High-pressure corrosion-resistant sealing gasket and high-pressure sealing pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221023358.2U CN218094197U (en) | 2022-04-29 | 2022-04-29 | High-pressure corrosion-resistant sealing gasket and high-pressure sealing pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094197U true CN218094197U (en) | 2022-12-20 |
Family
ID=84459211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221023358.2U Active CN218094197U (en) | 2022-04-29 | 2022-04-29 | High-pressure corrosion-resistant sealing gasket and high-pressure sealing pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094197U (en) |
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2022
- 2022-04-29 CN CN202221023358.2U patent/CN218094197U/en active Active
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Address after: 215000 No. 583, Xintang Road, high tech Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Suzhou Luokeli Technology Co.,Ltd. Address before: 215000 No. 583, Xintang Road, high tech Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Suzhou Rockley Welding Technology Co.,Ltd. |