CN114811224B - High-pressure-resistant rubber sealing ring for oil field - Google Patents
High-pressure-resistant rubber sealing ring for oil field Download PDFInfo
- Publication number
- CN114811224B CN114811224B CN202210614336.1A CN202210614336A CN114811224B CN 114811224 B CN114811224 B CN 114811224B CN 202210614336 A CN202210614336 A CN 202210614336A CN 114811224 B CN114811224 B CN 114811224B
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- CN
- China
- Prior art keywords
- ring
- rubber
- sealing ring
- lantern
- pressure
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
- F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
- F16J15/122—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement generally parallel to the surfaces
- F16J15/123—Details relating to the edges of the packing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to the technical field of sealing, in particular to a high-pressure-resistant rubber sealing ring for an oil field. Including the lantern ring that two bilateral symmetry set up, all offered on the terminal surface that two lantern rings are on the back of the body rather than first annular of endocentric, offered on the terminal surface that two lantern rings are relative rather than concentric second annular, the rubber ring runs through two lantern rings, and the rubber ring outside is fixed with rather than concentric holding ring, and the holding ring part in the rubber ring outside is located the second annular, all overlaps on the rubber ring upper and lower both ends and establishes and be fixed with metal seal ring, and the rubber ring of both sides is all fixed with braced skeleton about the holding ring. According to the invention, the outer edge of the rubber ring is wrapped by the metal sealing ring and the lantern ring, the metal sealing ring and the lantern ring can limit the expansion of the rubber ring in the outer direction after the rubber ring is extruded, and meanwhile, the compression resistance of the rubber ring can be excessively increased by the supporting framework, so that the rubber ring can apply larger pressure to the end face of the flange after the flange connection is completed, and the sealing effect is improved.
Description
Technical Field
The invention relates to the technical field of sealing, in particular to a high-pressure-resistant rubber sealing ring for an oil field.
Background
In the process of conveying crude oil in an oil field, high-pressure conveying is needed because of higher consistency of the crude oil, the petroleum conveying pipeline is connected through a flange, the existing sealing element for sealing the flange is easy to damage in a high-pressure environment, the service life is low, and the crude oil leakage can pollute the ring, so that a rubber sealing ring which can resist high pressure and has long service life is needed.
Disclosure of Invention
The invention aims to solve the technical problems that the high-pressure-resistant rubber sealing ring for the oil field can effectively seal the flange, has a good sealing effect, can bear higher pressure and has long service life.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the utility model provides a high pressure resistant rubber seal ring for oil field, including the lantern ring that two bilateral symmetry set up, all set up rather than concentric first annular on the terminal surface that two lantern rings are on the back of the body, set up rather than concentric second annular on the terminal surface that two lantern rings are relative, the rubber ring runs through two lantern rings, the rubber ring outside is fixed with rather than concentric holding ring, the inside part of holding ring extends to the rubber ring, the holding ring part in the rubber ring outside is located the second annular, all overlap on the rubber ring upper and lower both ends and establish and be fixed with the metal seal ring, the metal seal ring is fixed with the first annular of one side of it towards the one end slip grafting of lantern ring, the rubber ring of both sides is fixed with supporting framework about the holding ring, supporting framework includes two concentric elastic ring, the one end and the holding ring fixed connection of holding ring of elastic ring orientation holding ring, the holding ring tip that two elastic ring are dorsad is through top ring fixed connection, the top ring is concentric with the rubber ring, the section of elastic ring is the shape of falling V, a plurality of fluting of falling V types have been seted up to the circumference on the elastic ring.
Specifically, the positioning ring part in the second annular groove is contacted with the groove wall of the second annular groove.
Specifically, a plurality of open holes are uniformly distributed on the circumference of the lantern ring.
Specifically, the end face of the metal sealing ring, which is back to the lantern ring, is flush with the end face of the rubber ring on one side of the metal sealing ring.
Specifically, the outer edge of the metal sealing ring is in sliding contact with the lateral groove wall of the first annular groove where the metal sealing ring is located.
Specifically, the elastic ring is made by stamping an elastic sheet.
Specifically, the metal sealing ring is a sealing copper ring.
Specifically, the outer edge of the rubber ring is in sliding sealing contact with the inner edge of the lantern ring.
Specifically, the rubber ring is made of nitrile rubber.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the outer edge of the rubber ring is wrapped by the metal sealing ring and the lantern ring, the metal sealing ring and the lantern ring can limit the expansion of the rubber ring in the outer direction after the rubber ring is extruded, and meanwhile, the supporting framework can excessively increase the compression resistance of the rubber ring, so that the rubber ring can exert larger pressure on the end face of the flange after the flange connection is completed, the sealing effect is improved, the compression resistance is increased, the metal sealing ring can seal the end face of the flange after the flange connection is completed, the sealing performance is further improved, the metal sealing ring and the lantern ring are used for wrapping the outer edge of the rubber ring, the structural strength of the rubber ring can be increased, and the condition that the rubber ring is broken down by high-pressure crude oil can be prevented.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a three-dimensional view of the support framework.
Fig. 3 is a front view of the support frame.
Fig. 4 is a sectional view taken along the direction a in fig. 3.
Fig. 5 is a top view of the collar above.
Fig. 6 is a bottom view of the collar above.
The names of the parts in the drawings are as follows:
the first annular groove 3 of the lantern ring 2, the positioning ring 5 of the rubber ring 4, the elastic ring 6 of the top ring 7, the metal sealing ring 8 and the second annular groove 9 of the top ring 8 are provided with open holes 10 for grooving.
Detailed Description
As shown in figures 1-6, the high-pressure resistant rubber sealing ring for the oil field comprises two lantern rings 1 which are vertically and symmetrically arranged, a plurality of holes 9 are uniformly distributed on the circumference of the lantern rings 1, first annular grooves 2 concentric with the lantern rings are respectively arranged on the opposite end surfaces of the lantern rings 1, second annular grooves 8 concentric with the lantern rings are respectively arranged on the opposite end surfaces of the lantern rings 1, rubber rings 3 penetrate through the lantern rings 1, the rubber rings 3 are made of nitrile rubber, the outer edges of the rubber rings 3 are in sliding sealing contact with the inner edges of the lantern rings 1, positioning rings 4 concentric with the rubber rings are fixedly arranged on the outer sides of the rubber rings 3, the inner side parts of the positioning rings 4 extend into the rubber rings 3, the positioning rings 4 on the outer sides of the rubber rings 3 are partially positioned in the second annular grooves 8, the positioning rings 4 in the second annular grooves 8 are partially contacted with the groove walls of the second annular grooves 8, metal sealing rings 7 are fixedly sleeved on the upper ends and the lower ends of the rubber rings 3, the metal sealing ring 7 is a sealing copper ring, one end of the metal sealing ring 7 facing the lantern ring 1 on one side of the metal sealing ring is slidably inserted into the first annular groove 2 on one side of the metal sealing ring, the outer edge of the metal sealing ring 7 is slidably contacted with the lateral groove wall of the first annular groove 2 where the metal sealing ring is positioned, the end face of the metal sealing ring 7 facing away from the lantern ring 1 is flush with the end face of the rubber ring 3 on one side of the metal sealing ring, supporting frameworks are fixed in the rubber rings 3 on the upper side and the lower side of the positioning ring 4, the supporting frameworks comprise two concentric elastic rings 5, the elastic rings 5 are made by stamping elastic sheets, one end of the elastic ring 5 facing the positioning ring 4 is fixedly connected with the positioning ring 4, the end parts of the two elastic rings 5 facing away from the positioning ring 4 are fixedly connected through a top ring 6, the top ring 6 is concentric with the rubber ring 3, the section of the elastic ring 5 is in an inverted V shape, a plurality of inverted V-shaped grooves 10 are uniformly distributed on the circumference of the elastic ring 5.
This rubber seal installs the time, place it between two flanges, and make flange's bolt run through the trompil 9 on the lantern ring 1, screw up the bolt, make two flanges be close to, two flanges extrude rubber ring 3, simultaneously, the braced skeleton in the rubber ring 3 is compressed, braced skeleton is compressed, after the elasticity effect of elastic ring 5, elastic ring 5 makes the pressure increase of rubber ring 3 to the flange through top ring 6, simultaneously, wrap up rubber ring 3 outer fringe through metal seal 7 and lantern ring 1, metal seal 7 and lantern ring 1 can restrict its outside direction expansion after the rubber ring 3 is extruded, consequently, rubber ring 3's compressive capacity is great, flange connection is accomplished the back, rubber ring 3 can exert bigger pressure to the flange terminal surface, thereby sealing effect has been improved, compressive capacity increases, rubber ring 3 is by the in-process of extrusion, metal seal 7 moves to first annular groove 2, after metal seal 7 and the tank bottom contact of first annular groove 2, metal seal 7 can carry out face seal with the flange of its one side, further improvement has carried out the sealing effect to rubber ring 3 through metal seal 7 and lantern ring 1, can prevent that the rubber ring 3 from taking place the condition of high pressure to wrap up rubber ring 3, the condition of the rubber seal is broken down through metal seal 7 and lantern ring 3, the high-down structure can take place.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The utility model provides a high pressure resistant rubber seal ring for oil field, includes two lantern rings (1) that upper and lower symmetry set up, its characterized in that, all offered on the terminal surface that two lantern rings (1) are on the back of body rather than first annular (2) of concentric, a plurality of trompils (9) have been offered to circumference equipartition on lantern ring (1), offered on the terminal surface that two lantern rings (1) are relative rather than concentric second annular (8), rubber ring (3) run through two lantern rings (1), rubber ring (3) outside is fixed with rather than concentric holding ring (4), in holding ring (4) inboard part extends to rubber ring (3), the holding ring (4) part in rubber ring (3) outside is located second annular (8), all cover is fixed with metal sealing ring (7) on the upper and lower both ends of rubber ring (3), the one end slip grafting of lantern ring (1) of metal sealing ring (7) towards one side is in first annular (2) of its one side, all be fixed with the support skeleton in rubber ring (3) of both sides about holding ring (4), the support skeleton includes two elastic ring (5) and elastic ring (5) towards the tip of holding ring (6) and elastic connection tip (6) with holding ring (6), the section of the elastic ring (5) is in an inverted V shape, and a plurality of inverted V-shaped grooves (10) are uniformly distributed on the circumference of the elastic ring (5).
2. The high-pressure-resistant rubber sealing ring for oil fields according to claim 1, wherein the positioning ring (4) part in the second annular groove (8) is contacted with the groove wall of the second annular groove (8).
3. The high-pressure-resistant rubber sealing ring for oil fields according to claim 1, characterized in that the end face of the metal sealing ring (7) facing away from the collar (1) is flush with the end face of the rubber ring (3) on one side of the metal sealing ring.
4. The high-pressure-resistant rubber sealing ring for oil fields according to claim 1, wherein the outer edge of the metal sealing ring (7) is in sliding contact with the lateral groove wall of the first annular groove (2) where the metal sealing ring is positioned.
5. An oilfield high pressure resistant rubber seal according to claim 1, characterized in that the elastic ring (5) is stamped from an elastic sheet.
6. The high-pressure-resistant rubber sealing ring for oil fields according to claim 1, characterized in that the metal sealing ring (7) is a sealing copper ring.
7. The high-pressure-resistant rubber sealing ring for the oil field, as claimed in claim 1, is characterized in that the outer edge of the rubber ring (3) is in sliding sealing contact with the inner edge of the lantern ring (1).
8. The high-pressure-resistant rubber sealing ring for oil fields according to claim 1, wherein the rubber ring (3) is made of nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210614336.1A CN114811224B (en) | 2022-06-01 | 2022-06-01 | High-pressure-resistant rubber sealing ring for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210614336.1A CN114811224B (en) | 2022-06-01 | 2022-06-01 | High-pressure-resistant rubber sealing ring for oil field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114811224A CN114811224A (en) | 2022-07-29 |
| CN114811224B true CN114811224B (en) | 2023-09-12 |
Family
ID=82518896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210614336.1A Active CN114811224B (en) | 2022-06-01 | 2022-06-01 | High-pressure-resistant rubber sealing ring for oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114811224B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205639961U (en) * | 2016-04-22 | 2016-10-12 | 武汉工程大学 | Flexible graphite metal ripples tooth composite pads piece |
| CN209800712U (en) * | 2019-02-27 | 2019-12-17 | 安徽沃尔顶密封工业有限公司 | framework type O-shaped sealing ring |
| CN211175339U (en) * | 2019-11-01 | 2020-08-04 | 东莞市瑞拓五金橡塑有限公司 | High-low temperature resistant F L S fluorosilicone rubber seal ring |
| CN212377130U (en) * | 2020-05-28 | 2021-01-19 | 新昌县恒兴轴承配件厂 | Bearing seal circle of making an uproar falls in high strength |
| CN215635597U (en) * | 2021-07-19 | 2022-01-25 | 江苏丰瓷新材料科技有限公司 | Novel pipeline is with anticorrosive sealed pad |
| CN216430779U (en) * | 2021-12-31 | 2022-05-03 | 河南省金启橡塑有限公司 | Union sealing ring for high-pressure pipeline |
-
2022
- 2022-06-01 CN CN202210614336.1A patent/CN114811224B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205639961U (en) * | 2016-04-22 | 2016-10-12 | 武汉工程大学 | Flexible graphite metal ripples tooth composite pads piece |
| CN209800712U (en) * | 2019-02-27 | 2019-12-17 | 安徽沃尔顶密封工业有限公司 | framework type O-shaped sealing ring |
| CN211175339U (en) * | 2019-11-01 | 2020-08-04 | 东莞市瑞拓五金橡塑有限公司 | High-low temperature resistant F L S fluorosilicone rubber seal ring |
| CN212377130U (en) * | 2020-05-28 | 2021-01-19 | 新昌县恒兴轴承配件厂 | Bearing seal circle of making an uproar falls in high strength |
| CN215635597U (en) * | 2021-07-19 | 2022-01-25 | 江苏丰瓷新材料科技有限公司 | Novel pipeline is with anticorrosive sealed pad |
| CN216430779U (en) * | 2021-12-31 | 2022-05-03 | 河南省金启橡塑有限公司 | Union sealing ring for high-pressure pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114811224A (en) | 2022-07-29 |
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