Rubber sealing ring

By designing a sliding outer and inner ring structure, combined with elastic ring and steel ring, the problem of difficult compression of traditional rubber seal rings in the lateral direction is solved, and the sealing and service life are improved.

CN223120609UActive Publication Date: 2025-07-18SUZHOU CHANGKAI PLASTIC MOLDING PROD CO LTD
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Patent Information

Application Number
CN202422568303.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-07-18
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

Traditional rubber sealing rings are difficult to compress freely in the transverse direction, resulting in poor creep resistance and affecting sealing and service life.

Method used

A rubber sealing ring is designed, including an outer ring and an inner ring. A sealing ring is provided on the inner side wall of the outer ring, a sealing groove is provided on the outer wall of the inner ring. The outer ring and the inner ring can slide laterally, and elasticity is enhanced by the elastic ring and the connecting ring. An outer steel ring and an inner steel ring are arranged between the outer ring and the inner ring to enhance structural strength.

Benefits of technology

It improves the creep resistance of the rubber seal ring, enhances the sealing property and service life, and enhances the structural strength and compressive resistance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223120609U_ABST
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Abstract

The utility model discloses a rubber sealing ring which comprises an outer ring and an inner ring, a sealing ring is arranged on the inner side wall of the outer ring, the cross section of the outer ring and the cross section of the sealing ring are arranged in a T shape, a sealing groove is formed in the outer wall of the inner ring, the sealing ring can be embedded into the sealing groove and transversely slide in the sealing groove, and the cross section of the inner ring is arranged in a U shape. The rubber sealing ring has the following advantages and effects that the outer ring and the inner ring which can slide are arranged, so that the outer ring and the inner ring can transversely slide after adapting to external force on the premise of ensuring the sealing performance of the rubber sealing ring, the rubber sealing ring can be freely compressed in the transverse direction, the creep resistance of the rubber sealing ring is improved, and the service life of the rubber sealing ring is prolonged. Therefore, the sealing performance and the service life of the rubber sealing ring are improved.
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Description

Technical Field

[0001] The utility model relates to the field of sealing rings, and particularly relates to a rubber sealing ring. Background Art

[0002] Rubber sealing rings are a commonly used type of seal, mainly used to prevent the leakage of liquids or gases at the joints of machines, equipment, or pipelines. They are widely used in various industries, including automotive, aerospace, manufacturing, chemical engineering, etc. Rubber sealing rings can effectively isolate the internal and external environments, maintain the pressure and vacuum degree of the system, reduce wear, and extend the service life of the equipment.

[0003] Traditional rubber sealing rings usually have a solid circular ring structure. When installed and used, it is difficult for rubber sealing rings to achieve free compression in the horizontal direction, resulting in poor anti-creep ability of rubber sealing rings, affecting the sealing performance and service life of rubber sealing rings, and there is room for improvement. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a rubber sealing ring, which has the effect of improving the sealing performance and service life.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a rubber sealing ring, including an outer ring and an inner ring. A sealing ring is arranged on the inner side wall of the outer ring. The cross-sections of the outer ring and the sealing ring are arranged in a T shape. A sealing groove for the sealing ring to be embedded and horizontally slide is arranged on the outer wall of the inner ring. The cross-section of the inner ring is arranged in a U shape.

[0006] The utility model can be further configured in a preferred example as follows: an elastic ring is arranged between the inner side wall of the sealing ring and the inner side wall of the sealing groove.

[0007] The utility model can be further configured in a preferred example as follows: the elastic ring includes a pair of integrally formed ring bodies, each ring body is arranged in a C shape, and the openings of the pair of ring bodies face away from each other.

[0008] The utility model can be further configured in a preferred example as follows: a pair of connecting rings are arranged on the upper end surface and the lower end surface of the sealing ring, and the connecting rings are fixed to the top wall and the bottom wall of the sealing groove.

[0009] The utility model can be further configured in a preferred example as follows: a pair of the connecting rings are both inclined, and the inclined directions are opposite. The ends facing the sealing ring are close to each other, and the other ends are far from each other.

[0010] The utility model can be further configured in a preferred example as follows: an outer lip is arranged on the outer wall of the outer ring, and an inner lip is arranged on the inner wall of the inner ring.

[0011] In a preferred example, the present utility model can be further configured as follows: an outer steel ring with a T-shaped cross-section is provided inside the outer ring and the sealing ring, and an inner steel ring with a U-shaped cross-section is provided inside the inner ring.

[0012] In summary, the present utility model has the following beneficial effects:

[0013] 1. By providing an outer ring and an inner ring that can slide, on the premise of ensuring the sealing performance of the rubber sealing ring, the outer ring and the inner ring can adapt to external forces and undergo lateral sliding, so that the rubber sealing ring can be freely compressed in the lateral direction, improving the anti-creep ability of the rubber sealing ring, thereby enhancing the sealing performance and service life of the rubber sealing ring;

[0014] 2. By providing an elastic ring and a connecting ring between the outer ring and the inner ring, the elasticity between the two is increased to achieve tight sealing, and the connection between the outer ring and the inner ring can also be realized, completing the closure between the outer ring and the inner ring, improving the sealing performance;

[0015] 3. By providing the cooperation of the outer steel ring and the inner steel ring, the compressive capacity of the entire rubber sealing ring is increased, thereby ensuring the structural strength and service life of the rubber sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of an embodiment;

[0017] Figure 2 is a schematic internal structural diagram of an embodiment.

[0018] Reference numerals: 1, outer ring; 11, outer steel ring; 2, inner ring; 21, inner steel ring; 3, sealing ring; 4, sealing groove; 5, outer lip; 6, inner lip; 7, elastic ring; 71, ring body; 8, connecting ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following further describes the present utility model in detail with reference to the drawings.

[0020] As Figure 1 , Figure 2 shown, a rubber sealing ring includes an outer ring 1 and an inner ring 2. A sealing ring 3 is provided on the inner side wall of the outer ring 1. The cross-sections of the outer ring 1 and the sealing ring 3 are arranged in a T shape. A sealing groove 4 for the sealing ring 3 to be inserted and laterally slide is provided on the outer wall of the inner ring 2. The cross-section of the inner ring 2 is arranged in a U shape.

[0021] Therefore, by providing an outer ring 1 and an inner ring 2 that can slide, on the premise of ensuring the sealing performance of the rubber sealing ring, the outer ring 1 and the inner ring 2 can adapt to external forces and undergo lateral sliding, so that the rubber sealing ring can be freely compressed in the lateral direction, improving the anti-creep ability of the rubber sealing ring, thereby enhancing the sealing performance and service life of the rubber sealing ring.

[0022] As Figure 1 、 Figure 2 shown, an outer lip 5 is provided on the outer wall of the outer ring 1, and an inner lip 6 is provided on the inner wall of the inner ring 2 to improve the sealing performance at the inner and outer sides of the entire rubber sealing ring.

[0023] As Figure 1 、 Figure 2 shown, an elastic ring 7 is provided between the inner side wall of the sealing ring 3 and the inner side wall of the sealing groove 4 to apply an outward tension to the outer ring 1 and the inner ring 2, so that the outer ring 1 and the inner ring 2 can closely fit the component to be sealed, improving the sealing performance of the entire rubber sealing ring.

[0024] As Figure 1 、 Figure 2 shown, the elastic ring 7 includes a pair of integrally formed ring bodies 71, each ring body 71 is arranged in a C shape, and the openings of the pair of ring bodies 71 face away from each other to increase the elastic force of the elastic ring 7, realizing stable support between the outer ring 1 and the inner ring 2. At the same time, it can also realize the connection between the outer ring 1 and the inner ring 2, complete the enclosure between the outer ring 1 and the inner ring 2, and improve the sealing performance.

[0025] As Figure 1 、 Figure 2 shown, a pair of connecting rings 8 are provided on both the upper end surface and the lower end surface of the sealing ring 3, and the connecting rings 8 are fixed to the top wall and the bottom wall of the sealing groove 4 to increase the elasticity between the outer ring 1 and the inner ring 2, realize tight sealing, and also realize the connection between the outer ring 1 and the inner ring 2, complete the enclosure between the outer ring 1 and the inner ring 2, and improve the sealing performance.

[0026] As Figure 1 、 Figure 2 shown, the pair of connecting rings 8 are both inclined, and the inclination directions are opposite, and the ends facing the sealing ring 3 are close to each other, and the other ends are far from each other, which can not only realize the support in the horizontal direction, ensure the horizontal tension, but also realize the support in the vertical direction, improving the compressive capacity of the entire rubber sealing ring.

[0027] As Figure 1 、 Figure 2 shown, an outer steel ring 11 with a T-shaped cross-section is provided inside the outer ring 1 and the sealing ring 3, and an inner steel ring 21 with a U-shaped cross-section is provided inside the inner ring 2 to increase the compressive capacity of the entire rubber sealing ring, thereby ensuring the structural strength and service life of the rubber sealing ring.

[0028] The specific embodiments are only explanations of the present invention, and they do not limit the present invention. Those skilled in the art can make modifications without creative contributions to the embodiments according to needs after reading this specification, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A rubber sealing ring, characterized in that: It includes an outer ring (1) and an inner ring (2). A sealing ring (3) is provided on the inner side wall of the outer ring (1). The cross-sections of the outer ring (1) and the sealing ring (3) are T-shaped. A sealing groove (4) for the sealing ring (3) to be embedded and slide laterally is provided on the outer wall of the inner ring (2). The cross-section of the inner ring (2) is U-shaped.

2. The rubber sealing ring according to claim 1, characterized in that: An elastic ring (7) is provided between the inner side wall of the sealing ring (3) and the inner side wall of the sealing groove (4).

3. A rubber sealing ring according to claim 2, characterized in that: The elastic ring (7) includes a pair of integrally formed ring bodies (71). Each ring body (71) is C-shaped. The openings of the pair of ring bodies (71) face away from each other.

4. A rubber sealing ring according to claim 1, wherein: A pair of connecting rings (8) are provided on both the upper end face and the lower end face of the sealing ring (3). The connecting rings (8) are fixed to the top wall and the bottom wall of the sealing groove (4).

5. A rubber sealing ring according to claim 4, characterized in that: Both of the pair of connecting rings (8) are inclined, and the inclination directions are opposite. One ends of them are close to each other towards one end of the sealing ring (3), and the other ends are far away from each other.

6. A rubber sealing ring according to claim 1, characterized in that: An outer lip (5) is provided on the outer wall of the outer ring (1), and an inner lip (6) is provided on the inner wall of the inner ring (2).

7. A rubber sealing ring according to claim 1, characterized in that: An outer steel ring (11) with a T-shaped cross-section is provided inside the outer ring (1) and the sealing ring (3), and an inner steel ring (21) with a U-shaped cross-section is provided inside the inner ring (2).