Sealing ring with good wear resistance

By embedding a U-shaped ring frame, an annular frame, and a reinforcing skeleton inside the sealing ring, and installing a wear-resistant layer on the outside, the problem of insufficient rubber strength of the sealing ring is solved, the wear resistance and strength of the sealing ring are improved, and the service life of the device is extended.

CN223662573UActive Publication Date: 2025-12-12QINGDAO SANMENG RUBBER & PLASTIC CO LTD
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Patent Information

Application Number
CN202520182410.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-12-12
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

The existing sealing rings have poor rubber strength, which reduces the practicality of the device.

Method used

A U-shaped ring frame, an annular frame, and a reinforcing skeleton are embedded in the sealing ring body, and a wear-resistant layer is installed on the outside. The wear resistance of polytetrafluoroethylene is combined with the strength of stainless steel to improve the overall strength of the sealing ring.

Benefits of technology

It improves the wear resistance and strength of the sealing ring, extends the service life of the device, avoids the denting of the sealing ring at the outer crack ring, and enhances the overall performance of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a sealing ring with good wear resistance. Comprising a sealing ring body, a mounting groove is formed in the top of the sealing ring body, a U-shaped ring frame is embedded in the position, located in the bottom of the mounting groove, of the inner side of the sealing ring body, and six communicating holes are formed in the bottom of the inner side of the mounting groove and the bottom of the inner side of the U-shaped ring frame; an annular frame is arranged on the inner side of the sealing ring body and located at the bottom of the U-shaped annular frame in an embedded mode, and two reinforcing frameworks are arranged on the inner side of the annular frame in an embedded mode. According to the sealing ring with the good abrasion resistance, the abrasion resistance of polytetrafluoroethylene is utilized through the arranged abrasion-resistant layer, the abrasion-resistant effect of the sealing ring body is improved, damage to the surface of the sealing ring body caused by rigid collision is delayed, and the abrasion resistance is improved; therefore, the strength of the sealing ring body is greatly improved, and the service life of the device is prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of rubber sealing ring technology, and in particular to a sealing ring with good wear resistance. Background Technology

[0002] A rubber seal is an annular cover consisting of one or more parts, fixed to one of the bearing rings or washers and in contact with another ring or washer or forming a narrow labyrinth gap to prevent lubricating oil leakage and foreign matter intrusion.

[0003] Announcement No.: CN 221610565 U discloses a rubber sealing ring with good wear resistance. This solution increases the contact area with the sealing surface by setting multiple sets of outer lip rings and inner lip rings, thereby improving the sealing performance and reducing wear. However, during use, the overall strength of the device is only guaranteed by the L-shaped steel ring, and the overall strength of the rubber sealing ring is poor, which reduces the practicality of the device.

[0004] Therefore, it is necessary to provide a sealing ring with good wear resistance to solve the above-mentioned technical problems. Utility Model Content

[0005] This invention provides a sealing ring with good wear resistance, which solves the problem that some existing sealing rings rely solely on the L-shaped steel ring to ensure the overall strength of the device, resulting in poor overall strength of the rubber sealing ring and reduced practicality of the device.

[0006] To solve the above-mentioned technical problems, this utility model provides a sealing ring with good wear resistance, comprising: a sealing ring body, a mounting groove on the top of the sealing ring body, a U-shaped ring frame embedded in the inner side of the sealing ring body and at the bottom of the mounting groove, six connecting holes on the inner bottom of the mounting groove and the U-shaped ring frame, an annular frame embedded in the inner side of the sealing ring body and at the bottom of the U-shaped ring frame, two reinforcing skeletons embedded in the inner side of the annular frame, an outer crack ring at the center of the outer edge of the sealing ring body, and wear-resistant layers fixedly installed on the outer edge of the sealing ring body at the top and bottom of the outer crack ring.

[0007] Preferably, the inner ring array of the sealing ring body is provided with multiple sets of inner crack rings, and the top and bottom of the inner crack rings are provided with multiple communicating cracks with the inner side of the wear-resistant layer.

[0008] Preferably, the U-shaped ring frame, the ring frame, and the reinforcing skeleton are all made of stainless steel, and the material of the connecting slit is nitrile rubber.

[0009] Preferably, a plurality of connecting blocks are fixedly installed on the inner side of the wear-resistant layer, and the connecting blocks are disposed between two adjacent connecting cracks.

[0010] Preferably, the wear-resistant layer is made of polytetrafluoroethylene, and the thickness of the wear-resistant layer is 0.01-0.05 mm.

[0011] Preferably, a heat-conducting component is embedded in the inner side of the mounting groove, and the top of the heat-conducting component is at the same level as the top of the sealing ring body.

[0012] Compared with related technologies, the sealing ring with good wear resistance provided by this utility model has the following beneficial effects:

[0013] This utility model provides a sealing ring with good wear resistance. During use, the wear-resistant layer, utilizing the wear resistance of polytetrafluoroethylene, improves the wear resistance of the sealing ring body, delays the damage to the surface of the sealing ring body caused by rigid impact, and enhances wear resistance. Multiple connecting blocks are installed on the inner side of the outer crack ring to provide support, thereby preventing the sealing ring body from denting at the outer crack ring. The U-shaped ring frame, annular frame, and reinforcing skeleton made of stainless steel greatly improve the strength of the sealing ring body, thereby extending the service life of the device. Attached Figure Description

[0014] Figure 1 A schematic diagram of a preferred embodiment of the sealing ring with good wear resistance provided by this utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the structure of the sealing ring shown in the side sectional view;

[0016] Figure 3 for Figure 1 The diagram shows a side view of the U-shaped ring frame.

[0017] The following are the labels in the diagram: 1. Sealing ring body; 2. Mounting groove; 3. U-shaped ring frame; 4. Connecting hole; 5. Ring frame; 6. Reinforcing skeleton; 7. Outer crack ring; 8. Wear-resistant layer; 9. Inner crack ring; 10. Connecting crack; 11. Connecting block; 12. Heat-conducting component. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Please refer to the following: Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of a preferred embodiment of the sealing ring with good wear resistance provided by this utility model; Figure 2 for Figure 1 A schematic diagram of the structure of the sealing ring shown in the side sectional view; Figure 3 for Figure 1The diagram shows a side view of the U-shaped ring frame. A sealing ring with good wear resistance includes: a sealing ring body 1, a mounting groove 2 on the top of the sealing ring body 1, a U-shaped ring frame 3 embedded in the inner side of the sealing ring body 1 and at the bottom of the mounting groove 2, six connecting holes 4 on the inner bottom of the mounting groove 2 and the U-shaped ring frame 3, an annular frame 5 embedded in the inner side of the sealing ring body 1 and at the bottom of the U-shaped ring frame 3, two reinforcing skeletons 6 embedded in the inner side of the annular frame 5, an outer crack ring 7 at the center of the outer edge of the sealing ring body 1, and wear-resistant layers 8 fixedly installed on the outer edge of the sealing ring body 1 and at the top and bottom of the outer crack ring 7.

[0020] During use, the wear-resistant layer 8, utilizing the wear resistance of polytetrafluoroethylene, improves the wear resistance of the sealing ring body 1, delays the damage to the surface of the sealing ring body 1 caused by rigid impact, and enhances its wear resistance. Multiple connecting blocks 11 are installed inside the outer crack ring 7 to provide support, thereby preventing the sealing ring body 1 from denting at the outer crack ring 7. The U-shaped ring frame, ring frame 5, and reinforcing skeleton 6 made of stainless steel greatly enhance the strength of the rubber sealing ring 1, thus extending the service life of the device.

[0021] The inner ring array of the sealing ring body 1 is provided with multiple sets of inner crack rings 9, and multiple connecting cracks 10 are opened at the top and bottom of the inner crack rings 9 and the inner side of the wear-resistant layer 8.

[0022] The U-shaped ring frame 3, the ring frame 5, and the reinforcing skeleton 6 are all made of stainless steel, while the connecting slit 10 is made of nitrile rubber.

[0023] Multiple connecting blocks 11 are fixedly installed on the inner side of the wear-resistant layer 8, and the connecting blocks 11 are located between two adjacent connecting cracks 10.

[0024] The wear-resistant layer 8 is made of polytetrafluoroethylene and has a thickness of 0.01-0.05 mm.

[0025] A heat-conducting component 12 is embedded in the inner side of the mounting groove 2, and the top of the heat-conducting component 12 is at the same level as the top of the sealing ring body 1.

[0026] Through the heat-conducting component 12 and the connecting slit 10, the heat generated by friction can be better dispersed in the sealing ring body 1, maintaining the stability of the rubber material's performance and preventing deformation or damage caused by excessive temperature difference.

[0027] The working principle of the sealing ring with good wear resistance provided by this utility model is as follows:

[0028] Step 1: During use, the wear-resistant layer 8, utilizing the wear resistance of polytetrafluoroethylene, improves the wear resistance of the sealing ring body 1, delays the damage to the surface of the sealing ring body 1 caused by rigid impact, and enhances its wear resistance. Multiple connecting blocks 11 are installed inside the outer crack ring 7 to provide support, thereby preventing the sealing ring body 1 from denting at the outer crack ring 7. Through the use of stainless steel U-shaped ring frame, ring frame 5, and reinforcing skeleton 6, the strength of the rubber sealing ring 1 is greatly improved, thus extending the service life of the device.

[0029] Compared with related technologies, the sealing ring with good wear resistance provided by this utility model has the following beneficial effects:

[0030] During use, the wear-resistant layer 8, utilizing the wear resistance of polytetrafluoroethylene, improves the wear resistance of the sealing ring body 1, delays the damage to the surface of the sealing ring body 1 caused by rigid impact, and enhances its wear resistance. Multiple connecting blocks 11 are installed inside the outer crack ring 7 to provide support, thereby preventing the sealing ring body 1 from denting at the outer crack ring 7. The U-shaped ring frame 3, the ring frame 5, and the reinforcing skeleton 6 made of stainless steel greatly enhance the strength of the sealing ring body 1, thus extending the service life of the device.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A seal ring having good wear resistance, characterized by, Include: The sealing ring body (1) top opening is provided with installation groove (2), the sealing ring body (1) inside and located in the bottom of installation groove (2) embedded U-shaped ring frame (3) is arranged, the installation groove (2) and U-shaped ring frame (3) inside bottom opening is provided with communication hole (4), and the number of communication hole (4) is six, the sealing ring body (1) inside and located in the bottom of U-shaped ring frame (3) embedded ring frame (5) is arranged, the ring frame (5) inside embedded two reinforcing framework (6) is arranged, the sealing ring body (1) outside edge center opening is provided with outer split ring (7), the sealing ring body (1) outside edge and located in the top and bottom of outer split ring (7) are all fixedly installed with wear-resistant layer (8).

2. The seal ring having good wear resistance according to claim 1, characterized by, The sealing ring body (1) inner circle array is provided with multiple groups of inner split ring (9), the top and bottom of inner split ring (9) and the inside of wear-resistant layer (8) are all provided with multiple communication cracks (10).

3. The seal ring having good wear resistance according to claim 2, characterized by, The U-shaped ring frame (3), ring frame (5) and reinforcing framework (6) are all made of stainless steel, the communication crack (10) material uses nitrile rubber.

4. The seal ring having good wear resistance according to claim 2, wherein The inside of wear-resistant layer (8) is fixedly installed with multiple connecting blocks (11), and the connecting block (11) is arranged between adjacent two communication cracks (10).

5. The seal ring having good wear resistance according to claim 1, wherein The wear-resistant layer (8) is made of polytetrafluoroethylene, and the thickness of the wear-resistant layer (8) is 0.01-0.05 mm.

6. The seal ring having good wear resistance according to claim 1, wherein The inside of installation groove (2) is embedded with heat conducting assembly (12), and the top of heat conducting assembly (12) is at the same horizontal plane with the top of sealing ring body (1).

Citation Information

Patent Citations

  • Rubber sealing ring with good wear resistance

    CN221610565U