Dustproof corrosion-resistant thrust bearing

By designing dust-proof components in thrust bearings, the problem that existing thrust bearings are susceptible to external dust during use is solved, and the effect of reducing friction, reducing wear and extending service life is achieved.

CN222950228UActive Publication Date: 2025-06-06XINCHANG KANGLIDA BEARING CO LTD
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Patent Information

Application Number
CN202421954895.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-06-06
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

Existing thrust bearings are susceptible to external dust during use, resulting in increased friction, increased wear speed and reduced service life.

Method used

A dust-proof and corrosion-resistant thrust bearing is designed. By providing dust-proof components on the bearing tight ring, including an annular cover, an inverted convex dustproof ring, an annular connecting piece and a second mounting hole, the dust-proof component rotates simultaneously with the bearing tight ring, playing a dust-proof role to prevent dust from adhering to the steel ball.

Benefits of technology

Effectively prevent dust from entering the bearing, reduce friction, reduce wear and extend the service life of the bearing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222950228U_ABST
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Abstract

The utility model discloses a dustproof corrosion-resistant thrust bearing which comprises a thrust bearing body, and a dustproof assembly is arranged on the outer wall of the thrust bearing body. The thrust bearing main body comprises a bearing tight ring, a bearing loose ring, a retainer, a first steel ball limiting groove, a second steel ball limiting groove, a steel ball, a first annular groove, a second annular groove and a first mounting hole, and the dustproof assembly comprises an annular cover, an inverted convex dustproof ring, an annular connecting piece and a second mounting hole. The retainer is located between the bearing straining ring and the dustproof assembly, the steel ball is rotationally installed on the retainer, and the second steel ball limiting groove is formed in the outer surface of the lower end of the bearing straining ring. According to the dustproof corrosion-resistant thrust bearing, the dustproof assembly can play a dustproof role, the service life of the bearing is prolonged, the second annular groove is formed in the bearing straining ring, and the first mounting hole is formed in the second annular groove, so that the dustproof assembly is convenient to mount.
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Description

Technical Field

[0001] The utility model relates to the technical field of thrust bearings, in particular to a dustproof and corrosion-resistant thrust bearing. Background Art

[0002] The function of the thrust bearing is to bear the axial thrust of the rotor during operation. The thrust bearing can effectively reduce friction and wear and improve the performance and service life of the equipment.

[0003] In the prior art, when using thrust bearings, since the retainer is located between the tight ring and the loose ring of the bearing, external dust easily adheres to the retainer and the steel balls, increasing friction, thereby increasing the wear rate and reducing the service life of the bearing.

[0004] To this end, we propose a dust-proof and corrosion-resistant thrust bearing. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a dustproof and corrosion-resistant thrust bearing, which has the advantages of preventing dust and improving service life, and can effectively solve the problems in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a dustproof and corrosion-resistant thrust bearing, including a thrust bearing body, the outer wall of the thrust bearing body is provided with a dustproof component, the thrust bearing body includes a bearing tightening ring, a bearing loose ring, a retaining frame, a first steel ball limiting groove, a second steel ball limiting groove, a steel ball, a first annular groove, a second annular groove and a first mounting hole, and the dustproof component includes an annular cover, an inverted convex dustproof ring, an annular connecting piece and a second mounting hole, the retaining frame is located between the bearing tightening ring and the dustproof component, the steel ball is rotatably installed on the retaining frame, the second steel ball limiting groove is opened on the lower end outer surface of the bearing tightening ring, the first steel ball limiting groove is opened on the upper end outer surface of the bearing loose ring, the steel ball is located between the first steel ball limiting groove and the second steel ball limiting groove, and the second annular groove is opened on the outer ring of the upper end outer surface of the bearing tightening ring.

[0009] Preferably, the first mounting hole is opened at the bottom of the second annular groove.

[0010] Preferably, the first annular groove is provided on the outer wall of the loose ring of the bearing.

[0011] Preferably, the upper outer surface of the annular cover is fixedly connected to the lower outer surface of the annular connecting piece, the second mounting hole is opened on the upper outer surface of the annular connecting piece, and the inverted convex dust ring is fixedly installed on the bottom of the inner cavity of the annular cover.

[0012] Preferably, the annular connecting piece is located in the second annular groove, and a countersunk bolt is provided between the annular connecting piece and the bearing tightening ring, and the countersunk bolt is threadedly connected between the second mounting hole and the first mounting hole.

[0013] Preferably, one side of the inverted convex dust ring extends into the first annular groove.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a dustproof and corrosion-resistant thrust bearing, which has the following beneficial effects:

[0016] 1. The dustproof and corrosion-resistant thrust bearing is provided with a dustproof component, which can play a role in dustproofing and improve the service life of the bearing.

[0017] 2. The dustproof and corrosion-resistant thrust bearing has a second annular groove arranged on the bearing tightening ring, and a first mounting hole is opened in the second annular groove to facilitate the installation of the dustproof component. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of a dust-proof and corrosion-resistant thrust bearing.

[0019] Figure 2 It is a schematic diagram of the structural decomposition of a thrust bearing body in a dustproof and corrosion-resistant thrust bearing of the utility model.

[0020] Figure 3 It is a side cross-sectional view of a dustproof component in a dustproof and corrosion-resistant thrust bearing of the utility model.

[0021] Figure 4 The utility model is a schematic structural diagram of a dustproof component in a dustproof and corrosion-resistant thrust bearing.

[0022] In the figure: 1. thrust bearing body; 2. dustproof assembly; 3. bearing tightening ring; 4. bearing loose ring; 5. retaining frame; 6. first steel ball limiting groove; 7. second steel ball limiting groove; 8. steel ball; 9. first annular groove; 10. second annular groove; 11. first mounting hole; 12. annular cover; 13. inverted convex dustproof ring; 14. annular connecting piece; 15. second mounting hole. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] This embodiment is a dustproof and corrosion-resistant thrust bearing.

[0025] like Figure 1-4 As shown, it includes a thrust bearing body 1, the outer wall of the thrust bearing body 1 is provided with a dustproof component 2, the thrust bearing body 1 includes a bearing tightening ring 3, a bearing loose ring 4, a retaining frame 5, a first steel ball limiting groove 6, a second steel ball limiting groove 7, a steel ball 8, a first annular groove 9, a second annular groove 10 and a first mounting hole 11, and the dustproof component 2 includes an annular cover 12, an inverted convex dustproof ring 13, an annular connecting piece 14 and a second mounting hole 15, the retaining frame 5 is located between the bearing tightening ring 3 and the dustproof component 2, the steel ball 8 is rotatably installed on the retaining frame 5, the second steel ball limiting groove 7 is opened on the lower end outer surface of the bearing tightening ring 3, the first steel ball limiting groove 6 is opened on the upper end outer surface of the bearing loose ring 4, the steel ball 8 is located between the first steel ball limiting groove 6 and the second steel ball limiting groove 7, and the second annular groove 10 is opened on the outer ring of the upper end outer surface of the bearing tightening ring 3.

[0026] The first mounting hole 11 is opened at the bottom of the second annular groove 10; the first annular groove 9 is opened on the outer wall of the bearing loose ring 4; the upper outer surface of the annular cover 12 is fixedly connected to the lower outer surface of the annular connecting piece 14, and the second mounting hole 15 is opened on the upper outer surface of the annular connecting piece 14, and the inverted convex dust ring 13 is fixedly installed at the bottom of the inner cavity of the annular cover 12; the annular connecting piece 14 is located in the second annular groove 10, and a countersunk bolt is provided between the annular connecting piece 14 and the bearing tightening ring 3, and the countersunk bolt is threadedly connected between the second mounting hole 15 and the first mounting hole 11; one side of the inverted convex dust ring 13 extends into the first annular groove 9.

[0027] It should be noted that the utility model is a dustproof and corrosion-resistant thrust bearing. The bearing tightening ring 3, bearing loose ring 4, retaining frame 5, first steel ball limiting groove 6, second steel ball limiting groove 7 and steel ball 8 recorded in the text all belong to the prior art. The bearing tightening ring 3 is fixedly connected to the external transmission shaft. The thrust bearing is subjected to corrosion-resistant treatment by adopting a method of thermal spraying metal and supplemented by coating protection. It can be effectively known to technicians in the relevant technical field, and the specific details are not repeated here. A dustproof component 2 is set, and the annular connecting piece 14 in the dustproof component 2 is located in the second annular groove 10, and is fixed between the second mounting hole 15 and the first mounting hole 11 by a countersunk bolt. The first mounting hole 11 is set, and the first mounting hole 11 covers the gap between the bearing tightening ring 3 and the bearing loose ring 4, and the inverted convex dustproof ring 13 is located in the first annular groove 9. The dustproof component 2 rotates synchronously with the bearing tightening ring 3 to play a dustproof role, avoid dust adhering to the steel ball 8, and improve the service life of the bearing.

[0028] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A dustproof and corrosion-resistant thrust bearing, comprising a thrust bearing body (1), characterized in that: The outer wall of the thrust bearing body (1) is provided with a dustproof assembly (2), the thrust bearing body (1) comprises a bearing tightening ring (3), a bearing loose ring (4), a retaining frame (5), a first steel ball limiting groove (6), a second steel ball limiting groove (7), a steel ball (8), a first annular groove (9), a second annular groove (10) and a first mounting hole (11), and the dustproof assembly (2) comprises an annular cover (12), an inverted convex dustproof ring (13), an annular connecting sheet (14) and a second mounting hole (15). The retaining frame (5) is located between the bearing tightening ring (3) and the dustproof component (2); the steel ball (8) is rotatably mounted on the retaining frame (5); the second steel ball limiting groove (7) is formed on the lower outer surface of the bearing tightening ring (3); the first steel ball limiting groove (6) is formed on the upper outer surface of the bearing loose ring (4); the steel ball (8) is located between the first steel ball limiting groove (6) and the second steel ball limiting groove (7); and the second annular groove (10) is formed on the outer ring of the upper outer surface of the bearing tightening ring (3).

2. A dustproof and corrosion-resistant thrust bearing according to claim 1, characterized in that: The first mounting hole (11) is formed at the bottom of the second annular groove (10).

3. The dustproof and corrosion-resistant thrust bearing according to claim 2, characterized in that: The first annular groove (9) is formed on the outer wall of the loose bearing ring (4).

4. The dustproof and corrosion-resistant thrust bearing according to claim 3, characterized in that: The upper outer surface of the annular cover (12) is fixedly connected to the lower outer surface of the annular connecting piece (14), the second mounting hole (15) is opened on the upper outer surface of the annular connecting piece (14), and the inverted convex dustproof ring (13) is fixedly mounted on the bottom of the inner cavity of the annular cover (12).

5. The dustproof and corrosion-resistant thrust bearing according to claim 4, characterized in that: The annular connecting piece (14) is located in the second annular groove (10), and a countersunk bolt is provided between the annular connecting piece (14) and the bearing tightening ring (3), and the countersunk bolt is threadedly connected between the second mounting hole (15) and the first mounting hole (11).

6. The dustproof and corrosion-resistant thrust bearing according to claim 5, characterized in that: One side of the inverted convex dustproof ring (13) extends into the first annular groove (9).