A high-temperature resistant and leak-proof rubber sealing ring

By introducing a combination design of heat dissipation ring, heat conduction column and sealing mechanism into the sealing ring, the problems of poor high temperature resistance of the sealing ring and leakage of heat dissipation oil are solved, and stable sealing and long service life performance are achieved in high temperature environment.

CN224579747UActive Publication Date: 2026-07-31ZHEJIANG JIAKE RUBBER & PLASTICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG JIAKE RUBBER & PLASTICS CO LTD
Filing Date
2025-09-19
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing sealing rings have poor high-temperature resistance and pose a risk of heat dissipation oil leakage with long-term use, affecting sealing performance and lifespan.

Method used

A high-temperature resistant and leak-proof rubber sealing ring was designed, which adopts a combination structure of heat dissipation ring, heat conduction column, positioning ring and sealing mechanism. The sealing performance is enhanced by the cooperation between the sealing ring and the sealing groove, and the heat conduction is optimized by heat conduction pads and heat conduction columns distributed in a ring array to prevent leakage and deformation.

Benefits of technology

It effectively prevents leakage of the sealing ring in high-temperature environments, maintains structural stability and heat dissipation efficiency, extends service life, and ensures that the sealing ring maintains good sealing performance and wear resistance at high temperatures.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a high-temperature resistant and leak-proof rubber sealing ring, relating to the field of sealing ring technology. It includes a sealing ring body, with a positioning ring on the inner side of the sealing ring body; a heat-conducting column on the inner side of the heat dissipation ring; and a sealing mechanism on the inner side of the sealing ring body. This high-temperature resistant and leak-proof rubber sealing ring, through its sealing mechanism, effectively prevents leakage during long-term use. The cooperation between the sealing ring and the sealing groove in the sealing mechanism not only enhances the sealing performance of the sealing ring but also ensures its structural stability under high-temperature conditions. The synergistic effect of the heat dissipation ring and the heat-conducting column significantly improves the high-temperature resistance of the sealing ring, while the multiple sets of annularly arrayed heat-conducting columns further expand the heat dissipation area and improve heat dissipation efficiency. This allows the sealing ring to maintain stable physical properties under high-temperature operating conditions, effectively preventing deformation or failure due to overheating.
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Description

Technical Field

[0001] This utility model relates to the field of sealing ring technology, specifically a high-temperature resistant and leak-proof rubber sealing ring. Background Technology

[0002] A rubber sealing ring is an annular cover composed of one or more parts. Rubber sealing rings are used to install on various mechanical equipment to provide a sealing function in static or dynamic states under specified temperature and pressure conditions and in different liquids and gases.

[0003] However, existing sealing rings have poor high-temperature resistance during use, which can easily cause deformation of the sealing rings, thus making it impossible to achieve an effective seal.

[0004] To address the aforementioned deficiencies, Chinese Patent CN215950357U discloses a high-temperature resistant rubber sealing ring, comprising a sealing ring body, an outer ring, and an inner ring. The inner ring is located inside the outer ring. There are two first thermally conductive gaskets arranged symmetrically. The first thermally conductive gaskets are made of silicone rubber. There are four thermally conductive rods arranged in a rectangular array. One end of each thermally conductive rod penetrates the outer ring and extends to the outside. A spacer is provided between the outer ring and the inner ring. The first thermally conductive gasket has a thermally conductive pillar inside. A second thermally conductive gasket is located at the bottom of the first thermally conductive gasket, and an oil reservoir is located at the bottom of the second thermally conductive gasket. Through the coordinated arrangement of the first thermally conductive gasket, the thermally conductive pillar, the second thermally conductive gasket, the oil reservoir, the heat dissipation oil, and the thermally conductive rod, heat on the outer and inner rings can be quickly absorbed, thereby reducing heat transfer to the ring body and improving the high-temperature resistance of the sealing ring body. Through the coordinated arrangement of the first corrosion-resistant layer and the second corrosion-resistant layer, external substances can be prevented from corroding the sealing ring body.

[0005] The device described above uses a heat-conducting gasket to absorb heat during use, thereby improving the high-temperature resistance of the sealing ring. However, during long-term use, the cooling oil may leak, affecting the overall performance and lifespan of the sealing ring. Utility Model Content

[0006] The purpose of this invention is to provide a high-temperature resistant and leak-proof rubber sealing ring to solve the problems mentioned in the background art, such as poor high-temperature resistance of the sealing ring and the risk of heat dissipation oil leakage after long-term use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a high-temperature resistant and leak-proof rubber sealing ring, comprising a sealing ring body, a heat dissipation ring provided on the inner side of the sealing ring body, an inner ring provided on the inner side of the sealing ring body, and a positioning ring provided on the inner side of the sealing ring body; a heat-conducting column provided on the inner side of the heat dissipation ring, and a leak-proof sealing mechanism provided on the inner side of the sealing ring body.

[0008] Furthermore, a positioning ring is provided on the outer surface of the heat dissipation ring, and a thermally conductive pad is provided on the inner side of the positioning ring.

[0009] Furthermore, multiple sets of heat-conducting pillars are provided, and the multiple sets of heat-conducting pillars are distributed in a ring array.

[0010] Furthermore, a limiting protrusion is provided on the inner side of the sealing ring body, and a sealing groove is formed on the inner side of the sealing ring body.

[0011] Furthermore, the sealing mechanism includes a sealing ring, which is disposed on the inner side of the sealing ring body, and a shaping ring is disposed on the inner side of the sealing ring body.

[0012] Furthermore, the outer surface of the sealing ring is provided with an inner ring, and the inner side of the inner ring is provided with an arc-shaped groove.

[0013] Furthermore, a wear-resistant ring is provided on the inner side of the inner ring, and a positioning ring is provided on the outer surface of the wear-resistant ring.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] (1) The sealing mechanism can effectively prevent leakage of the sealing ring during long-term use. Through the cooperation between the sealing ring and the sealing groove in the sealing mechanism, not only is the sealing performance of the sealing ring enhanced, but its structural stability in high temperature environment is also guaranteed. The sealing ring is made of special rubber material, which has good elasticity and high temperature resistance, and can fit tightly to the contact surface to form a reliable sealing barrier.

[0016] (2) The arc groove opened in the inner ring further optimizes the sealing performance, which can guide the uniform distribution of gas, reduce local pressure concentration, and reduce the risk of leakage. The wear-resistant ring extends the service life of the sealing ring. Even in frequent friction or high temperature environment, it can maintain the surface flatness and sealing performance, effectively resist wear and aging, and ensure the long-term stable operation of the sealing ring.

[0017] (3) Through the synergistic effect of heat dissipation ring and heat conduction column, the high temperature resistance of the sealing ring is significantly improved. The heat dissipation ring is made of high thermal conductivity material, which can quickly conduct the heat generated inside the sealing ring to the external environment. The heat conduction column distributed in multiple ring arrays further expands the heat dissipation area and improves the heat dissipation efficiency, so that the sealing ring can maintain stable physical properties under high temperature working environment and effectively prevent deformation or failure caused by overheating.

[0018] (4) The combination of positioning ring and thermal pad not only enhances the installation stability of sealing ring, but also optimizes the heat conduction path through thermal pad, ensuring that heat can be evenly distributed and avoiding local overheating. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the sealing ring body of this utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the inner ring of this utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the limiting convex ring of this utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the sealing ring of this utility model;

[0024] Figure 6 This is a schematic diagram of the three-dimensional structure of the heat-conducting column of this utility model.

[0025] In the diagram: 1. Sealing ring body; 2. Heat dissipation ring; 3. Heat conduction column; 4. Positioning ring; 5. Limiting protrusion ring; 6. Sealing groove; 7. Inner ring; 8. Sealing ring; 9. Wear-resistant ring; 10. Heat conduction pad; 11. Shaping ring; 12. Arc groove. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1: Please refer to Figure 1 - Figure 2The present invention provides the following technical solution: a high-temperature resistant and leak-proof rubber sealing ring, comprising a sealing ring body 1, a heat dissipation ring 2 provided on the inner side of the sealing ring body 1, an inner ring 7 provided on the inner side of the sealing ring body 1, and a positioning ring 4 provided on the inner side of the sealing ring body 1; a heat-conducting column 3 provided on the inner side of the heat dissipation ring 2, and a sealing mechanism for preventing leakage provided on the inner side of the sealing ring body 1.

[0028] The sealing mechanism effectively prevents liquid or gas leakage during use, enhancing sealing performance. The sealing ring 8 in this mechanism fits tightly with the sealing ring body 1, and the shaping ring 11 maintains its shape stability, preventing deformation of the sealing ring 8 due to long-term use or high-temperature environments. The inner ring 7 on the outer surface of the sealing ring 8 is designed with an arc groove 12, which further optimizes the fit of the sealing contact surface and reduces the generation of micro gaps. The wear-resistant ring 9 not only extends the service life of the inner ring 7, but also ensures that the components maintain a stable relative position under high-temperature conditions through the fixing effect of the positioning ring 4, thereby comprehensively improving the high-temperature resistance and leak-proof effect of the sealing ring.

[0029] Example 2: Based on Example 1, please refer to... Figure 2 - Figure 4 The positioning ring 4 was also disclosed, and its specific structure is as follows: the outer surface of the heat dissipation ring 2 is provided with the positioning ring 4, the inner side of the positioning ring 4 is provided with the heat-conducting pad 10, multiple sets of heat-conducting pillars 3 are provided, the multiple sets of heat-conducting pillars 3 are distributed in a ring array, the inner side of the sealing ring body 1 is provided with the limiting protrusion ring 5, and the inner side of the sealing ring body 1 is provided with the sealing groove 6.

[0030] Through multiple sets of ring-shaped array heat-conducting pillars 3, by Figure 2 It is known that the heat generated inside the sealing ring body 1 can be quickly conducted to the heat dissipation ring 2, and then further transferred to the external environment through the heat-conducting pad 10. The heat-conducting pad 10 is made of silicone rubber material, which has excellent high temperature resistance and thermal conductivity. It can effectively reduce the temperature of the sealing ring body 1 during operation, avoid the performance degradation of the sealing ring due to high temperature, and ensure that the sealing ring effectively improves heat dissipation efficiency during installation. The matching design of the limiting protrusion ring 5 and the sealing groove 6 not only enhances the positioning accuracy between the sealing ring body 1 and the installation component, but also maintains structural stability in high temperature environment, preventing sealing failure caused by thermal expansion and contraction.

[0031] Example 3: Based on Example 1, please refer to... Figure 3 - Figure 6The sealing ring 8 is also disclosed, and its specific structure is as follows: the sealing mechanism includes a sealing ring 8, which is disposed on the inner side of the sealing ring body 1. A shaping ring 11 is disposed on the inner side of the sealing ring body 1. An inner ring 7 is disposed on the outer surface of the sealing ring 8. An arc groove 12 is opened on the inner side of the inner ring 7. A wear-resistant ring 9 is disposed on the inner side of the inner ring 7. A positioning ring 4 is disposed on the outer surface of the wear-resistant ring 9.

[0032] The sealing groove 6 fixes the shape of the sealing ring 8, ensuring that the sealing ring 8 maintains a precise sealing surface even at high temperatures. When the sealing ring body 1 expands due to heat, the sealing surface... Figure 5 It can be seen that the curved surface design of the arc groove 12 can adaptively adjust the contact pressure to ensure that the sealing surface always keeps in close contact. The wear-resistant ring 9 is made of high-hardness composite material, which can withstand frequent friction without wear, and is prevented from displacement by the axial fixation of the positioning ring 4. This multi-layer composite structure enables the sealing ring to maintain a sealing gap of less than 0.02mm even in a high temperature environment of 200℃, effectively solving the leakage problem caused by thermal deformation of traditional sealing rings.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-temperature resistant and leak-proof rubber sealing ring, comprising a sealing ring body (1), wherein a heat dissipation ring (2) is provided on the inner side of the sealing ring body (1), characterized in that: The inner side of the sealing ring body (1) is provided with an inner ring (7), and the inner side of the sealing ring body (1) is provided with a positioning ring (4). The inner side of the heat dissipation ring (2) is provided with a heat-conducting column (3), and the inner side of the sealing ring body (1) is provided with a sealing mechanism to prevent leakage.

2. The high-temperature resistant and leak-proof rubber sealing ring according to claim 1, characterized in that: The outer surface of the heat dissipation ring (2) is provided with a positioning ring (4), and the inner side of the positioning ring (4) is provided with a heat-conducting pad (10).

3. The high-temperature resistant and leak-proof rubber sealing ring according to claim 1, characterized in that: The heat-conducting columns (3) are provided in multiple sets, and the multiple sets of heat-conducting columns (3) are distributed in a ring array.

4. The high-temperature resistant and leak-proof rubber sealing ring according to claim 1, characterized in that: The inner side of the sealing ring body (1) is provided with a limiting protrusion ring (5), and the inner side of the sealing ring body (1) is provided with a sealing groove (6).

5. The high-temperature resistant and leak-proof rubber sealing ring according to claim 1, characterized in that: The sealing mechanism includes a sealing ring (8), which is disposed on the inner side of the sealing ring body (1), and a shaping ring (11) is disposed on the inner side of the sealing ring body (1).

6. The high-temperature resistant and leak-proof rubber sealing ring according to claim 5, characterized in that: The outer surface of the sealing ring (8) is provided with an inner ring (7), and the inner side of the inner ring (7) is provided with an arc groove (12).

7. The high-temperature resistant and leak-proof rubber sealing ring according to claim 6, characterized in that: The inner side of the inner ring (7) is provided with a wear-resistant ring (9), and the outer surface of the wear-resistant ring (9) is provided with a positioning ring (4).