Multi-cavity anti-seepage rubber sealing ring

Abstract

The utility model relates to the technical field of sealing rings, in particular to a multi-cavity anti-seepage rubber sealing ring which comprises a main sealing ring, a main body of the main sealing ring is a soft rubber body, a supporting body with an S-shaped inner sleeve cross section is arranged in the supporting body, an elastic body is filled in the supporting body, a plurality of sealing convex rings are arranged on the two sides of the top and the bottom of the main sealing ring, and a plurality of sealing lips are arranged on the soft rubber body. The elastic body is composed of a rubber ring and a plurality of supporting convex ribs. When the sealing ring is extruded, a multi-cavity structure is formed between the sealing lips and cooperates with the sealing convex ring, a tight multiple anti-seepage system is constructed, the anti-seepage performance is remarkably improved, meanwhile, the elastic body continuously provides stable supporting force for the sealing ring by means of the good elastic supporting performance, it is ensured that the main sealing ring is tightly attached to the sealing face, and leakage caused by untight attachment is effectively avoided.

Description

Technical Field

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

[0002] In many scenarios such as industrial production and daily life, sealing rings are widely used for sealing various pipes, containers and other equipment. Traditional rubber sealing rings, due to their relatively simple structure, often expose many problems when faced with complex working conditions.

[0003] Utility model patent CN219975329U discloses a novel rubber sealing ring. This novel rubber sealing ring includes a solid rubber ring with hollow rubber rings bonded to both its upper and lower sides. A first annular groove is formed on the inner wall of the solid rubber ring. Elastic rings are fitted to both the inner wall of the hollow rubber ring and the inner wall of the first annular groove. A second annular groove is formed on the surface of the solid rubber ring, and an annular air bladder is fitted to both the inner wall of the second annular groove and the inner wall of the hollow rubber ring. The surface of the hollow rubber ring is bonded with… The sealing ring is equipped with a wear-resistant ring. Through the cooperation of a solid rubber ring, an elastic ring, and an annular air bladder, the surface and inner wall of the rubber sealing ring can still maintain close contact with the sealing surface after wear, thus preventing the sealing effect of the rubber sealing ring from decreasing due to wear. At the same time, by setting a wear-resistant ring on the outside of the hollow rubber ring, and the wear-resistant ring being composed of zinc oxide coating, barium oxide coating, and sodium silicate coating, the rubber sealing ring has strong wear resistance, making it less prone to wear.

[0004] Traditional rubber seals are mostly single-seal structures. When the internal pressure of the equipment is unstable or there is media corrosion, their sealing performance is easily affected, leading to easy media leakage. At the same time, due to the lack of effective elastic support, the fit between the seal and the sealing surface gradually decreases during long-term use, further aggravating the risk of leakage. In view of this, we propose a multi-cavity anti-leakage rubber seal. Utility Model Content

[0005] The purpose of this invention is to provide a multi-cavity leak-proof rubber sealing ring to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A multi-cavity leak-proof rubber sealing ring includes a main sealing ring, the main sealing ring being a soft rubber body, a support body being fitted inside the soft rubber body, and an elastomer being filled inside the support body. Several sealing protrusions are provided on both the top and bottom surfaces of the main sealing ring, and several sealing lips are provided at the inner and outer edges of both the top and bottom surfaces of the soft rubber body. The support body has an S-shaped cross-section, and the elastomer is housed within the internal space of the S-shaped contour of the support body. The elastomer includes a rubber ring and several supporting ribs provided on the rubber ring, the rubber ring penetrating the supporting ribs and being integrally formed with the supporting ribs.

[0008] Preferably, the soft gel has a flat ring structure, and the main sealing ring has a receiving cavity inside for accommodating the support.

[0009] Preferably, an edge notch is formed on the outer arc surface of the soft gel, the edge notch is connected to the receiving cavity, and the support is installed into the main sealing ring through the edge notch.

[0010] Preferably, the sealing ring has a triangular cross-section. When compressed, the outer end of the sealing ring deforms and tightly fits the sealing surface. The spacing between adjacent sealing rings is equal, and several are evenly distributed on the top and bottom sides of the main sealing ring.

[0011] Preferably, the outer end of the sealing lip is away from the soft rubber body. When the main sealing ring is compressed, the outer end of the sealing lip fits into the sealing surface, and a cavity structure is formed between two adjacent sealing lips.

[0012] Preferably, the support is made of stainless steel and the thickness of the support is less than 0.2 mm. The two ends of the cross-section of the support are respectively attached to the inner walls of the top and bottom sides of the soft rubber body. When the soft rubber body is squeezed, the support undergoes elastic deformation within the soft rubber body.

[0013] Preferably, the rubber ring is a circular structure made of rubber material, and the outer end of the supporting rib protrudes from the surface of the rubber ring.

[0014] Preferably, there are two elastic bodies, the supporting ribs are ring-shaped structures with a circular cross-section, and the support body is bent to form two cavities, with the two elastic bodies located in the two cavities respectively.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This multi-cavity leak-proof rubber sealing ring, when compressed, forms a multi-cavity structure between multiple sealing lips. These cavities work in conjunction with multiple sealing protrusions to construct a tight, multi-layered leak-proof system, improving the leak-proof performance of the sealing ring. At the same time, thanks to the excellent elastic support properties of the elastomer, it can continuously provide stable support for the entire sealing ring, ensuring that the main sealing ring is always tightly fitted to the sealing surface, effectively avoiding leakage problems caused by loose sealing surfaces. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall appearance of the present utility model;

[0018] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0019] Figure 3 This is another overall structural cross-sectional view of the present invention;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the main sealing ring in this utility model;

[0021] Figure 5 This is a schematic diagram of the external appearance of the support body in this utility model;

[0022] Figure 6 This is a schematic diagram of the cross-sectional structure of the support body in this utility model;

[0023] Figure 7 This is a schematic diagram of the appearance of the elastomer in this utility model;

[0024] Figure 8 This is a schematic diagram of the cross-sectional structure of the elastic body in this utility model;

[0025] The meanings of the labels in the diagram are as follows:

[0026] 1. Main sealing ring; 11. Soft rubber body; 111. Receiving cavity; 112. Edge notch; 12. Sealing convex ring; 13. Sealing lip;

[0027] 2. Support body; 21. Cavity;

[0028] 3. Elastomer; 31. Rubber ring; 32. Supporting rib. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0030] Please see Figures 1-8 This utility model provides a technical solution:

[0031] The multi-cavity leak-proof rubber sealing ring includes a main sealing ring 1, the main body of which is a soft rubber body 11. A support body 2 is nested inside the soft rubber body 11, and the support body 2 is filled with an elastomer 3. The soft rubber body 11, being made of rubber, allows the main sealing ring 1 to tightly conform to the sealing surface when compressed, effectively filling tiny gaps and reducing the risk of leakage. The nested support body 2 provides stable structural support for the sealing ring, ensuring its overall shape remains stable and is not easily deformed under complex working conditions. The elastomer 3 filled inside the support body 2 gives the sealing ring excellent elastic recovery ability, allowing it to maintain its initial good sealing performance even after repeated compression.

[0032] The soft rubber body 11 has a flat, annular structure. The main sealing ring 1 has an internal cavity 111 for accommodating the support body 2. An edge notch 112 is formed on the outer arc surface of the soft rubber body 11, which communicates with the cavity 111. The support body 2 is installed into the main sealing ring 1 through this edge notch 112. The flat, annular shape of the soft rubber body 11 effectively increases the contact area with the sealing surface, improving the sealing effect. The cavity 111 fits tightly with the support body 2, enhancing the stability of the support body 2 after installation. The edge notch 112 facilitates the installation and removal of the support body 2, effectively improving the assembly efficiency of the sealing ring.

[0033] The main sealing ring 1 has several sealing protrusions 12 on both its top and bottom surfaces. These protrusions have a triangular cross-section. When the main sealing ring 1 is compressed, the outer ends of the sealing protrusions 12 deform and press against the surface of the sealing surface, allowing for better adaptation to sealing surfaces of different shapes and achieving a tight fit, effectively preventing media leakage. The multiple sealing protrusions 12 are evenly spaced and distributed on both sides of the main sealing ring 1, forming multiple tight sealing lines and enhancing the overall anti-seepage performance.

[0034] Several sealing lips 13 are provided at the inner and outer edges of the top and bottom surfaces of the soft rubber body 11, with their outer ends away from the soft rubber body 11. When the main sealing ring 1 is compressed, the outer ends of the sealing lips 13 quickly fit into the sealing surface, further enhancing the sealing effect. The cavity structure formed between two adjacent sealing lips 13 can store a small amount of medium, playing a role in buffering pressure and assisting sealing, further improving the anti-seepage performance.

[0035] The support body 2 has an S-shaped cross-section, and the elastic body 3 is housed within the S-shaped contour of the support body 2. The support body 2 is made of stainless steel with a thickness of less than 0.2 mm. Its two ends are tightly fitted to the inner walls of the top and bottom sides of the soft rubber body 11. The support body 2 is nested within the soft rubber body 11. When the soft rubber body 11 is compressed, the support body 2 can undergo elastic deformation simultaneously within the soft rubber body 11. Its S-shaped cross-section gives the support body 2 good mechanical properties, making it less prone to deformation under high pressure. The stainless steel material ensures excellent corrosion resistance, effectively extending its service life. The thickness of less than 0.2 mm also gives the support body 2 a certain degree of elasticity, maintaining the overall structural stability of the sealing ring and ensuring that the sealing performance is not affected.

[0036] The elastomer 3 consists of a rubber ring 31 and several supporting ribs 32 disposed on the rubber ring 31. The rubber ring 31 passes through the supporting ribs 32 and is integrally formed with them. The rubber ring 31 is a circular structure made of rubber, which has good elasticity and can effectively absorb external impact forces. The outer ends of the supporting ribs 32 protrude from the surface of the rubber ring 31, which enhances the friction between the elastomer 3 and the support body 2, prevents the elastomer 3 from sliding within the support body 2, ensures that the elastomer 3 stably provides elastic support to the support body 2, and maintains the overall performance of the sealing ring.

[0037] There are two elastic bodies 3. The supporting ribs 32 are annular structures with a circular cross-section. The support body 2 is bent to form two cavities 21, and the two elastic bodies 3 are located in these two cavities 21 respectively. The two elastic bodies 3 are symmetrically distributed in the two cavities 21 of the support body 2, providing more balanced elastic support for the support body 2, making the sealing ring more uniformly stressed in all directions, and effectively avoiding local deformation or sealing failure caused by uneven stress. The annular structure of the circular cross-section supporting ribs 32 further optimizes the elastic performance of the elastic bodies 3 while ensuring strength, improving the overall stability and sealing effect of the sealing ring.

[0038] In this embodiment, the multi-cavity leak-proof rubber sealing ring, when in use, firstly, the soft rubber body 11 of the main sealing ring 1 is soft in texture, and can tightly fit the sealing surface during installation. Its flat ring design increases the contact area, fills tiny gaps, completes pre-sealing, and reduces the risk of media leakage. Then, when the main sealing ring 1 is compressed, the outer end of the sealing convex ring 12 is easily deformed and can fit different sealing surfaces. Through the equal and uniform distribution of multiple sealing convex rings, multiple lines of defense are formed to prevent media from leaking from the sealing gap. At the same time, the sealing lips 13 on the top and bottom edges of the soft rubber body 11 quickly fit the sealing surface when compressed, so that adjacent sealing lips... The cavity between the two bodies can store the medium, buffer pressure, assist in sealing, and achieve secondary sealing. Then, because the support body 2 is nested inside the soft rubber body 11, the S-shaped cross-section of the support body 2 is endowed with good mechanical properties, which can maintain the shape stability when the support body 2 is under pressure, provide support for the main sealing ring 1, and prevent overall deformation from affecting the seal. Finally, under the action of the elastic body 3, when the main sealing ring 1 is under pressure, the main sealing ring 1 squeezes the support body 2 and the elastic body 3. At this time, the elastic body 3 provides elastic support, so that the sealing ring is subjected to uniform force. After the pressure is released, the elastic body 3 returns to its original shape, driving the sealing ring to reset and maintaining long-term stable sealing performance.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-cavity leak-proof rubber sealing ring, comprising a main sealing ring (1), characterized in that: The main sealing ring (1) is a soft rubber body (11). A support body (2) is provided inside the soft rubber body (11). An elastic body (3) is filled inside the support body (2). Several sealing protrusions (12) are provided on the top and bottom surfaces of the main sealing ring (1). Several sealing lips (13) are provided at the inner and outer edges of the top and bottom surfaces of the soft rubber body (11). The cross-section of the support body (2) is S-shaped. The elastic body (3) is accommodated in the internal space of the S-shaped contour of the support body (2). The elastic body (3) includes a rubber ring (31) and several supporting ribs (32) provided on the rubber ring (31). The rubber ring (31) passes through the supporting ribs (32) and is integrally formed with the supporting ribs (32).

2. The multi-cavity leak-proof rubber sealing ring according to claim 1, characterized in that: The soft gel (11) has a flat ring structure, and the main sealing ring (1) has a receiving cavity (111) for accommodating the support (2).

3. The multi-cavity leak-proof rubber sealing ring according to claim 2, characterized in that: An edge notch (112) is provided on the outer arc surface of the soft gel (11), the edge notch (112) is connected to the receiving cavity (111), and the support (2) is installed into the main sealing ring (1) through the edge notch (112).

4. The multi-cavity leak-proof rubber sealing ring according to claim 1, characterized in that: The cross-section of the sealing ring (12) is triangular. When compressed, the outer end of the sealing ring (12) deforms and fits tightly against the sealing surface. The spacing between adjacent sealing rings (12) is equal, and several are evenly distributed on the top and bottom sides of the main sealing ring (1).

5. The multi-cavity leak-proof rubber sealing ring according to claim 1, characterized in that: The outer end of the sealing lip (13) is away from the soft rubber body (11). When the main sealing ring (1) is squeezed, the outer end of the sealing lip (13) fits against the sealing surface, and a cavity structure is formed between two adjacent sealing lips (13).

6. The multi-cavity leak-proof rubber sealing ring according to claim 1, characterized in that: The support (2) is made of stainless steel and the thickness of the support (2) is less than 0.2 mm. The first and last ends of the cross section of the support (2) are respectively attached to the inner walls of the top and bottom sides of the soft rubber (11). When the soft rubber (11) is squeezed, the support (2) undergoes elastic deformation in the soft rubber (11).

7. The multi-cavity leak-proof rubber sealing ring according to claim 1, characterized in that: The rubber ring (31) is a circular structure made of rubber material, and the outer end of the supporting rib (32) protrudes from the surface of the rubber ring (31).

8. The multi-cavity leak-proof rubber sealing ring according to claim 1, characterized in that: The number of the elastic body (3) is two, the supporting rib (32) is a ring structure with a circular cross-section, and the support body (2) is bent to form two cavities (21), and the two elastic bodies (3) are located in the two cavities (21) respectively.

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