A spindle bearing seal

By introducing wear-resistant rings, reinforcing ribs, and heat dissipation rings into the spindle bearing seals, the problems of insufficient wear resistance and structural strength are solved, achieving durability and efficient heat dissipation under high-pressure environments and extending service life.

CN224283238UActive Publication Date: 2026-05-26江苏久峰新材料科技有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
江苏久峰新材料科技有限公司
Filing Date
2025-07-15
Publication Date
2026-05-26

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Abstract

This utility model relates to the field of bearing seal technology and discloses a spindle bearing seal, including a sealing ring. A wear-resistant ring is provided on the inner wall of the sealing ring. A first reinforcing rib ring and a second reinforcing rib ring are respectively embedded on the left and right sides of the outer surface of the sealing ring. A heat dissipation ring is embedded in the middle of the outer surface of the sealing ring. Multiple heat dissipation fins are arranged in a ring at equal intervals around the outer perimeter of the heat dissipation ring. The wear-resistant ring is made of nitrile rubber, and the contact surface between the heat dissipation ring and the sealing ring is coated with a layer of thermally conductive silicone grease. This utility model improves the wear resistance of the seal by providing a wear-resistant ring. Secondly, the first and second reinforcing rib rings improve the structural strength of the seal, making it suitable for high-pressure applications. Furthermore, the heat dissipation ring and multiple heat dissipation fins improve the heat dissipation efficiency of the seal and extend its service life.
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Description

Technical Field

[0001] This utility model relates to the field of bearing seal technology, specifically a spindle bearing seal. Background Technology

[0002] Spindle bearing seals are extremely critical components in rotating equipment such as machine tools, motors, gearboxes, and pumps. Their core function is to protect the spindle bearings.

[0003] Existing spindle bearing seals have poor wear resistance during use. Furthermore, their structural strength is weak, making them unsuitable for high-pressure applications. Additionally, their low heat dissipation efficiency shortens their service life. Therefore, there is an urgent need for a new spindle bearing seal to solve these technical problems. Utility Model Content

[0004] The purpose of this utility model is to provide a spindle bearing seal to solve the problems mentioned in the background art, such as poor wear resistance, weak structural strength making it unsuitable for high-pressure environments, low heat dissipation efficiency, and shortened service life.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A spindle bearing seal includes a sealing ring, a wear-resistant ring on the inner wall of the sealing ring, a first reinforcing rib ring and a second reinforcing rib ring respectively embedded on the left and right sides of the outer surface of the sealing ring, a heat dissipation ring embedded in the middle of the outer surface of the sealing ring, and a plurality of heat dissipation fins arranged in an evenly spaced ring around the outer perimeter of the heat dissipation ring.

[0007] As a preferred embodiment of this invention, the wear-resistant ring is made of nitrile rubber.

[0008] As a preferred embodiment of this invention, the contact surface between the heat dissipation ring and the sealing ring is coated with a layer of thermally conductive silicone grease.

[0009] As a preferred embodiment of this utility model, the first reinforcing rib ring and the second reinforcing rib ring are of the same size, and both the first reinforcing rib ring and the second reinforcing rib ring are made of PTFE engineering plastic.

[0010] In a preferred embodiment of this invention, the outer surface of the heat sink is flush with the outer surface of the sealing ring.

[0011] As a preferred embodiment of this utility model, the outer surfaces of both the first reinforcing rib ring and the second reinforcing rib ring are flush with the outer surface of the sealing ring.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] This invention improves the wear resistance of the seal by incorporating a wear-resistant ring. Furthermore, it enhances the structural strength of the seal by incorporating a first reinforcing rib ring and a second reinforcing rib ring, making it suitable for high-pressure applications. Additionally, it improves the heat dissipation efficiency of the seal and extends its service life by incorporating a heat dissipation ring and multiple heat dissipation fins. Attached Figure Description

[0014] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a side view sectional diagram of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram showing the connection relationship between the heat dissipation ring and multiple heat sinks of this utility model.

[0018] In the diagram: 1. Sealing ring; 2. First reinforcing rib ring; 3. Second reinforcing rib ring; 4. Heat dissipation ring; 5. Heat dissipation fin; 6. Wear-resistant ring. Detailed Implementation

[0019] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings. In the embodiments of the present utility model, the different types of cross-sectional lines are not labeled according to national standards, nor do they specify material requirements for the components; they are used to distinguish the cross-sectional views of the components in the drawings.

[0020] Please see Figure 1-3 A spindle bearing seal includes a sealing ring 1, with a wear-resistant ring 6 on the inner wall of the sealing ring 1 to improve its wear resistance. A first reinforcing rib ring 2 and a second reinforcing rib ring 3 are respectively embedded on the left and right sides of the outer surface of the sealing ring 1 to improve its structural strength and suitability for high-pressure applications. A heat dissipation ring 4 is embedded in the middle of the outer surface of the sealing ring 1, and multiple heat dissipation fins 5 are arranged in an evenly spaced ring around the outer perimeter of the heat dissipation ring 4 to improve its heat dissipation efficiency and extend its service life.

[0021] The wear-resistant ring 6 is made of nitrile rubber.

[0022] The contact surface between the heat dissipation ring 4 and the sealing ring 1 is coated with a layer of thermally conductive silicone grease.

[0023] The first reinforcing rib ring 2 and the second reinforcing rib ring 3 are the same size, and both the first reinforcing rib ring 2 and the second reinforcing rib ring 3 are made of PTFE engineering plastic.

[0024] The outer surface of the heat sink 5 is flush with the outer surface of the sealing ring 1.

[0025] The outer surfaces of the first reinforcing rib ring 2 and the second reinforcing rib ring 3 are flush with the outer surface of the sealing ring 1.

[0026] The working principle and usage process of this utility model are as follows: First, during operation, the wear-resistant ring 6, made of nitrile rubber, improves the wear resistance of the seal. Second, the first reinforcing ring 2 and the second reinforcing ring 3, both made of PTFE engineering plastic, enhance the structural strength of the seal, making it suitable for high-pressure applications. Furthermore, the heat dissipation ring 4 and multiple heat dissipation fins 5 improve the heat dissipation efficiency of the seal and extend its service life. Content not described in detail herein is prior art known to those skilled in the art.

[0027] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A spindle bearing seal, comprising a sealing ring (1), characterized in that: The inner wall of the sealing ring (1) is provided with a wear-resistant ring (6), and the outer surface of the sealing ring (1) is respectively provided with a first reinforcing rib ring (2) and a second reinforcing rib ring (3). The middle of the outer surface of the sealing ring (1) is provided with a heat dissipation ring (4), and multiple heat dissipation fins (5) are provided in a ring at equal intervals around the outer periphery of the heat dissipation ring (4).

2. A spindle bearing seal according to claim 1, characterized in that: The wear-resistant ring (6) is made of nitrile rubber.

3. A spindle bearing seal according to claim 1, characterized in that: The contact surface between the heat dissipation ring (4) and the sealing ring (1) is coated with a layer of thermally conductive silicone grease.

4. A spindle bearing seal according to claim 1, characterized in that: The first reinforcing rib ring (2) and the second reinforcing rib ring (3) are the same size, and the first reinforcing rib ring (2) and the second reinforcing rib ring (3) are both made of PTFE engineering plastic.

5. A spindle bearing seal according to claim 1, characterized in that: The outer surface of the heat sink (5) is flush with the outer surface of the sealing ring (1).

6. A spindle bearing seal according to claim 1, characterized in that: The outer surfaces of the first reinforcing rib ring (2) and the second reinforcing rib ring (3) are flush with the outer surface of the sealing ring (1).