Large-diameter sealing rubber ring for high temperature and high pressure
By employing a dual-sealing structure and reinforcing rib design, the problem of easy damage to the sealing ring under high temperature and pressure is solved, achieving efficient sealing and structural stability, and extending service life.
Patent Information
- Application Number
- CN202423170018.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing sealing rings are prone to damage under high temperature and pressure, resulting in insufficient sealing performance and media leakage.
A dual-seal structure was designed, including an inner sealing ring, an outer sealing ring, and a sealing connection ring. The outer sealing ring has a sealing lip, and the inner sealing ring has a self-lubricating ring. The structural stability and connection strength are enhanced by reinforcing ribs, reinforcing rings, and outer support ribs.
It achieves a dual sealing effect under high temperature and high pressure, reduces wear, extends service life, and improves sealing performance and structural stability.
Smart Images
Figure CN223622196U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sealing ring technology, and in particular to a large-diameter sealing ring for high temperature and high pressure. Background Technology
[0002] In many industrial sectors, such as petrochemicals, power, and aerospace, high-temperature and high-pressure working environments are frequently encountered, requiring the sealing of large-diameter pipes and containers to prevent media leakage.
[0003] Existing sealing rings have a simple structural design, using only a single layer of sealing treatment. When used under high temperature and high pressure, the sealing rings are prone to damage, which can lead to insufficient sealing performance and even media leakage. Utility Model Content
[0004] The purpose of this invention is to solve the problem that in the existing technology, only a single-layer sealing treatment is used, and the sealing ring is prone to damage when used under high temperature and high pressure, which leads to insufficient sealing performance and even media leakage. Therefore, a large-diameter sealing ring for high temperature and high pressure is proposed.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a large-diameter sealing ring for high temperature and high pressure, comprising a large-diameter sealing ring body, inner sealing rings symmetrically arranged on the upper and lower surfaces of the large-diameter sealing ring body, a pressure-bearing arc ring arranged on the surface of the inner sealing ring, a sealing connecting ring connected to the outer side of the large-diameter sealing ring body, an outer sealing ring fixedly connected to the outer side of the sealing connecting ring, and sealing lips connected to both the upper and lower surfaces of the outer sealing ring.
[0006] Preferably, the upper and lower surfaces of the large-diameter sealing ring body are evenly distributed with a number of reinforcing ribs in a clockwise direction. The reinforcing ribs are all connected to the inner wall of the outer sealing ring, and the reinforcing ribs are connected to the surface of the sealing ring.
[0007] Preferably, the outer wall of the outer sealing ring is provided with two reinforcing rings, and a plurality of side ribs are evenly distributed between the two reinforcing rings. The side ribs are evenly distributed on the outer wall of the outer sealing ring in a clockwise direction.
[0008] Preferably, the outer wall of the outer sealing ring has a plurality of external support ribs symmetrically and evenly distributed, and the external support ribs are evenly distributed between the reinforcing ring and the external support ribs in a clockwise direction.
[0009] Preferably, the inner wall of the inner sealing ring is provided with a self-lubricating ring, and a plurality of through holes are evenly opened on the inner side of the self-lubricating ring.
[0010] Preferably, the self-lubricating ring has an internal cavity, and all the through holes are connected to the cavity.
[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0012] 1. In this utility model, the inner sealing ring is symmetrically arranged on the upper and lower surfaces of the large-diameter sealing ring body and connected to the pressure-bearing arc ring, which can provide a layer of sealing effect on the inner side of the sealing connection. The outer sealing ring is connected to the outer side of the large-diameter sealing ring body through the sealing connecting ring, which can provide a second layer of sealing effect, thereby achieving a double sealing effect. In addition, the upper and lower surfaces of the outer sealing ring are provided with sealing lips, which are tightly fitted to the outer side of the sealing connection, thereby achieving a further sealing effect, effectively ensuring the sealing performance, and solving the sealing problem of existing sealing rings in high temperature, high pressure and large diameter application scenarios.
[0013] 2. In this utility model, reinforcing ribs are evenly distributed on the outer side of the large-diameter sealing ring body and connected to the inner sealing ring, sealing connecting ring, and outer sealing ring. The distribution of reinforcing ribs helps to increase the connection strength between the inner and outer sealing rings. Reinforcing rings are symmetrically arranged on the outer wall of the outer sealing ring. The two sets of reinforcing rings are further connected by side ribs and distributed on the outer wall of the outer sealing ring, which helps to increase the structural stability of the outer sealing ring and disperse the pressure. In addition, several external support ribs are also distributed on the outer side of the outer sealing ring. The external support ribs are connected between the sealing lip and the reinforcing ring, which helps to improve the support strength of the sealing lip, thereby ensuring the overall structural stability and sealing reliability, and further extending the service life of the sealing ring. Attached Figure Description
[0014] Figure 1 A three-dimensional structural diagram of a large-diameter sealing ring for high temperature and high pressure is provided for this utility model;
[0015] Figure 2 This utility model provides an exploded structural diagram of a large-diameter sealing ring for high temperature and high pressure.
[0016] Figure 3 This utility model provides an exploded view of the structure of a large-diameter sealing ring for high temperature and high pressure.
[0017] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the diagram;
[0018] Figure 5 This utility model Figure 3 A magnified structural diagram at point B in the diagram.
[0019] Legend: 1. Large diameter sealing ring body; 2. Inner sealing ring; 3. Pressure bearing arc ring; 4. Sealing connection ring; 5. Outer sealing ring; 6. Sealing lip; 7. Reinforcing rib; 8. Reinforcing ring; 9. Side rib; 10. Outer support rib; 11. Self-lubricating ring; 12. Through hole. Detailed Implementation
[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0022] Example 1, as Figures 1-5 As shown, this utility model provides a technical solution: a large-diameter sealing ring for high temperature and high pressure, including a large-diameter sealing ring body 1, inner sealing rings 2 symmetrically arranged on the upper and lower surfaces of the large-diameter sealing ring body 1, a pressure-bearing arc ring 3 arranged on the surface of the inner sealing ring 2, a sealing connecting ring 4 connected to the outer side of the large-diameter sealing ring body 1, an outer sealing ring 5 fixedly connected to the outer side of the sealing connecting ring 4, sealing lips 6 connected to both the upper and lower surfaces of the outer sealing ring 5, a self-lubricating ring 11 arranged on the inner wall of the inner sealing ring 2, a plurality of through holes 12 evenly opened on the inner side of the self-lubricating ring 11, a cavity opened inside the self-lubricating ring 11, and the through holes 12 all communicating with the cavity.
[0023] In this embodiment, the inner sealing ring 2 is symmetrically arranged on the upper and lower surfaces of the large-diameter sealing ring body 1 and connected to the pressure-bearing arc ring 3, providing a layer of sealing on the inner side of the sealing connection. The outer sealing ring 5 is connected to the outer side of the large-diameter sealing ring body 1 via a sealing connecting ring 4, providing a second layer of sealing, thus achieving a double sealing effect. Furthermore, the upper and lower surfaces of the outer sealing ring 5 are provided with sealing lips 6, which tightly fit against the outer side of the sealing connection, further enhancing the sealing effect and effectively ensuring sealing performance. This solves the problem of existing sealing rings in high-temperature, high-pressure, large-diameter applications. To address the sealing challenges in this environment, two self-lubricating rings 11 are provided on the inner side of the inner sealing ring 2 near the main body 1 of the large-diameter sealing ring. Each self-lubricating ring 11 has several through holes 12 on its inner sidewall. When installing the sealing ring, lubricating oil can be injected into the self-lubricating ring 11, and then the sealing ring can be fitted onto the sealing connection. During the fitting process, a certain amount of compression will occur, which will squeeze the lubricating oil out from the through holes 12, thus achieving the lubrication effect at the connection. This helps to reduce wear at the connection and extend the service life of the sealing structure. The main body 1 of the large-diameter sealing ring is made of fluororubber, which is beneficial for use in high temperature and high pressure environments.
[0024] Example 2, as Figures 1-5 As shown, a number of reinforcing ribs 7 are evenly distributed around the upper and lower surfaces of the large-diameter sealing ring body 1 in a clockwise direction. The reinforcing ribs 7 are all connected to the inner wall of the outer sealing ring 5, and the reinforcing ribs 7 are connected to the surface of the sealing connection ring 4. The outer wall of the outer sealing ring 5 is provided with two reinforcing rings 8, and a number of side ribs 9 are evenly distributed between the two reinforcing rings 8. The side ribs 9 are evenly distributed in a clockwise direction on the outer wall of the outer sealing ring 5. A number of external support ribs 10 are symmetrically and evenly distributed on the outer wall of the outer sealing ring 5. The external support ribs 10 are evenly distributed in a clockwise direction between the reinforcing rings 8 and the external support ribs 10.
[0025] In this embodiment, reinforcing ribs 7 are evenly distributed on the outer side of the large-diameter sealing ring body 1 and connected to the inner sealing ring 2, the sealing connecting ring 4, and the outer sealing ring 5. The distribution of reinforcing ribs 7 helps to increase the connection strength between the inner and outer sealing rings. Reinforcing rings 8 are symmetrically arranged on the outer wall of the outer sealing ring 5. The two sets of reinforcing rings 8 are further connected by side ribs 9 and distributed on the outer wall of the outer sealing ring 5, which helps to increase the structural stability of the outer sealing ring 5 and disperse the pressure. In addition, several external support ribs 10 are also distributed on the outer side of the outer sealing ring 5. The external support ribs 10 are connected between the sealing lip 6 and the reinforcing rings 8, which helps to improve the support strength of the sealing lip 6, thereby ensuring the overall structural stability and sealing reliability, and further extending the service life of the sealing ring.
[0026] The working principle of this embodiment is as follows: During use, when installing the sealing ring, lubricating oil is injected into the self-lubricating ring 11. Then, the sealing ring is fitted onto the sealing connection. During the fitting process, a certain amount of compression occurs, causing the lubricating oil to be squeezed out from the through hole 12, achieving lubrication at the connection and reducing wear. The inner sealing ring 2 is symmetrically arranged on the upper and lower surfaces of the large-diameter sealing ring body 1 and connected to the pressure-bearing arc ring 3, providing a layer of sealing on the inner side of the sealing connection. The outer sealing ring 5 is connected to the outer side of the large-diameter sealing ring body 1 via a sealing connecting ring 4, providing a second layer of sealing, thus achieving a double sealing effect. Both the upper and lower surfaces of the outer sealing ring 5 are provided with sealing lips 6, utilizing the sealing lips... 6 is tightly fitted to the outside of the sealing connection, thereby achieving a further sealing effect. The reinforcing ribs 7 are evenly distributed on the outside of the large-diameter sealing ring body 1 and are connected to the inner sealing ring 2, the sealing connecting ring 4 and the outer sealing ring 5. The distribution of the reinforcing ribs 7 helps to increase the connection strength between the inner and outer sealing rings. The reinforcing rings 8 are symmetrically arranged on the outer wall of the outer sealing ring 5. The two sets of reinforcing rings 8 are further connected by the side ribs 9 and distributed on the outer wall of the outer sealing ring 5, which helps to increase the structural stability of the outer sealing ring 5 and disperse the pressure. In addition, there are several external support ribs 10 distributed on the outside of the outer sealing ring 5. The external support ribs 10 are connected between the sealing lip 6 and the reinforcing rings 8, which helps to improve the support strength of the sealing lip 6, thereby ensuring the overall structural stability and sealing reliability.
[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A large-diameter sealing ring for high temperature and high pressure, comprising a large-diameter sealing ring body (1), characterized in that: The upper and lower surfaces of the large-diameter sealing ring body (1) are symmetrically provided with inner sealing rings (2), and the surface of the inner sealing ring (2) is provided with a pressure-bearing arc ring (3). The outer side of the large-diameter sealing ring body (1) is connected with a sealing connecting ring (4), and the outer side of the sealing connecting ring (4) is fixedly connected with an outer sealing ring (5). The upper and lower surfaces of the outer sealing ring (5) are both connected with sealing lips (6).
2. The large-diameter sealing ring for high temperature and high pressure according to claim 1, characterized in that: The large-diameter sealing ring body (1) has several reinforcing ribs (7) evenly distributed in a clockwise direction on the upper and lower surfaces. The reinforcing ribs (7) are all connected to the inner wall of the outer sealing ring (5), and the reinforcing ribs (7) are connected to the surface of the sealing connection ring (4).
3. The large-diameter sealing ring for high temperature and high pressure according to claim 1, characterized in that: The outer wall of the outer sealing ring (5) is provided with two reinforcing rings (8), and a number of side ribs (9) are evenly distributed between the two reinforcing rings (8). The side ribs (9) are evenly distributed on the outer wall of the outer sealing ring (5) in a clockwise direction.
4. The large-diameter sealing ring for high temperature and high pressure according to claim 3, characterized in that: The outer sealing ring (5) has a number of external support ribs (10) symmetrically and evenly distributed on its outer wall. The external support ribs (10) are evenly distributed in a clockwise direction between the reinforcing ring (8) and the external support ribs (10).
5. The large-diameter sealing ring for high temperature and high pressure according to claim 1, characterized in that: The inner wall of the inner sealing ring (2) is provided with a self-lubricating ring (11), and a number of through holes (12) are evenly opened on the inner side of the self-lubricating ring (11).
6. The large-diameter sealing ring for high temperature and high pressure according to claim 5, characterized in that: The self-lubricating ring (11) has a cavity inside, and the through holes (12) are all connected to the cavity.