Durable precision bearing

By designing protective components and disassembly and assembled components in precision bearings, the problem of external pollutants entering is solved, the performance and life of the bearings are improved, and convenient maintenance operations are achieved.

CN223241877UActive Publication Date: 2025-08-19JINXIONG (SUZHOU) INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422243441.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-08-19
Estimated Expiration
2034-09-13

AI Technical Summary

Technical Problem

During the use of existing precision bearings, external dust, dirt and other pollutants are easily entered, affecting their performance and life, resulting in noise and vibration, and are less practical.

Method used

Design protective components, including protective covers, outer sealing snap rings, step rings and disassembly assembly components, through the cooperation of the engaging and return springs, a tight barrier is formed to prevent contaminants from entering, and at the same time, disassembly assembly components are easy to install and disassemble quickly.

Benefits of technology

It effectively reduces the probability of external pollutants entering the bearing, improves the performance and life of the bearing, and facilitates maintenance and treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bearings, and discloses a durable precision bearing which comprises a bearing outer ring, a bearing inner ring and a plurality of bearing balls, protective assemblies are arranged at the upper end and the lower end of the bearing outer ring and the bearing inner ring, disassembly and assembly assemblies are arranged on the two sides of the outer wall of the bearing outer ring, and each protective assembly comprises two protective covers. Outer sealing clamping rings are fixedly connected to the outer sides of the opposite ends of the two protective covers, outer sealing clamping grooves are formed in the upper end and the lower end of the bearing outer ring, and stepped rings are fixedly connected to the inner sides of the opposite ends of the two protective covers. According to the utility model, the bearing balls can be effectively protected by arranging the protection assembly, so that the probability that external dust, dirt and other pollutants enter the bearing is greatly reduced, and the protection cover can be quickly disassembled and assembled by arranging the disassembly and assembly assembly, so that the bearing is convenient to install, use, disassemble, assemble and replace, and the service life of the bearing is prolonged. And the interior of the bearing is convenient to maintain.
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Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a durable precision bearing. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Precision bearings have lower friction, longer service life and better stability. They are commonly found in high-precision machinery and equipment.

[0003] For some existing precision bearings with balls directly exposed to the outside, external dust, dirt and other contaminants are more likely to enter the interior of the bearings during use, thereby affecting their performance and lifespan, and may even cause additional noise and vibration during operation of the bearings, requiring more frequent inspections and replacements, and having poor practicality. Therefore, those skilled in the art have provided a durable precision bearing to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the present utility model is to solve the shortcomings of the prior art and to propose a durable precision bearing. By providing a protective component, the outer sealing ring, the outer sealing groove, the stepped ring, the stepped groove and the protective cover itself can effectively protect the bearing balls, thereby greatly reducing the probability of external dust, dirt and other contaminants entering the interior of the bearing, and effectively improving the performance and life of the bearing.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a durable precision bearing comprising a bearing outer ring, a bearing inner ring, and a plurality of bearing balls, wherein protective components are provided at the upper and lower ends of the bearing outer ring and the bearing inner ring, and disassembly and assembly components are provided on both sides of the outer wall of the bearing outer ring;

[0006] The protection assembly includes two protection covers, each of which is fixedly connected to an outer sealing ring on the outer side of one opposite end of the two protection covers, and an outer sealing groove is provided on the upper and lower ends of the bearing outer ring, and each of which is fixedly connected to a stepped ring on the inner side of one opposite end of the two protection covers, and a stepped groove is provided on the upper and lower ends of the bearing inner ring;

[0007] Through the above technical solution, by providing a protective component, the outer sealing ring on the protective cover is clamped into the outer sealing groove, and then the step ring on the protective cover is inserted into the step groove, and combined with the protective cover itself, the bearing balls can be effectively protected, greatly reducing the probability of external dust, dirt and other contaminants entering the bearing, effectively improving the performance and life of the bearing.

[0008] Furthermore, the disassembly and assembly assembly includes a plurality of rebound blocks, and rebound grooves are provided on both sides of the outer walls of the two outer sealing clamps, and the plurality of rebound blocks are movably arranged in the corresponding rebound grooves. Fixed grooves are provided on both sides of the outer wall of the bearing outer ring at the upper and lower positions, and the plurality of rebound blocks are engaged in the corresponding fixed grooves.

[0009] Through the above technical solution, by providing a disassembly and assembly component, the protective cover can be quickly fixed and installed and unlocked and disassembled, which is convenient for installation and use, and can also give the protective cover the ability to be quickly removed from the bearing, which is convenient for the staff to disassemble and replace the protective cover to ensure the protection effect, and is convenient for maintenance and processing inside the bearing. By locking and setting multiple rebound blocks in corresponding fixed slots, the two protective covers can be fixedly installed to both ends of the bearing to ensure stable use.

[0010] Furthermore, a plurality of the rebound blocks and the inner wall of the corresponding rebound groove are fixedly connected with a rebound spring, and the plurality of the rebound springs are movably arranged in the corresponding rebound groove;

[0011] Through the above technical solution, a rebound spring is provided, and after the outer sealing clamp ring is clamped into the outer sealing clamp groove, the rebound clamp block can be quickly popped out of the rebound groove and stably clamped into the fixed clamp groove through the provided rebound spring, thereby completing the rapid fixing operation of the protective cover.

[0012] Furthermore, the inner walls of the upper and lower ends of the plurality of rebound grooves are each provided with a guide groove, and the interiors of the plurality of guide grooves are each slidably provided with a guide block, and the plurality of guide blocks are each fixedly connected to the corresponding rebound block;

[0013] Through the above technical solution, by providing the guide groove and the guide block, the activity process of the rebound block is made more stable.

[0014] Furthermore, the outer sealing clamp ring is clamped in the outer sealing clamp groove;

[0015] Through the above technical solution, the outer sealing ring is clamped and set in the outer sealing groove, so that the outer sealing ring can fit tightly with the inner wall of the outer sealing groove, thereby forming a tight barrier between the protective cover and the outer ring of the bearing, thereby effectively preventing external dust, dirt and other contaminants from entering the interior of the bearing.

[0016] Furthermore, the two step rings are movably arranged in the corresponding step grooves;

[0017] Through the above technical solution, by movably arranging the two step rings in the corresponding step grooves, a gap will exist after the step rings are inserted into the step grooves, thereby ensuring that the inner ring of the bearing can rotate smoothly. At the same time, due to the stepped design of the step rings and the step grooves, even if there is a gap between the two, the probability of external dust, dirt and other contaminants entering the bearing can still be greatly reduced.

[0018] Furthermore, the outer walls of the two protective covers are provided with grooves;

[0019] Through the above technical solution, by providing the groove, it is convenient for the operator to operate the protective cover more easily.

[0020] The utility model has the following beneficial effects:

[0021] 1. The durable precision bearing proposed in the present invention is provided with a protective component, which can effectively protect the bearing balls under the joint action of the outer sealing ring, the outer sealing groove, the step ring, the step groove and the protective cover itself, thereby greatly reducing the probability of external dust, dirt and other pollutants entering the interior of the bearing, and effectively improving the performance and life of the bearing.

[0022] 2. The durable precision bearing proposed in the present invention is provided with a disassembly and assembly component, which allows the protective cover to be quickly fixed and installed and unlocked and disassembled, thereby facilitating installation and use, and enabling the protective cover to be quickly detached from the bearing, thereby facilitating the disassembly, assembly and replacement of the protective cover by the staff, ensuring the protective effect, and facilitating maintenance and processing inside the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an axonometric diagram of a durable precision bearing proposed in the present utility model;

[0024] Figure 2 This is a schematic front cross-sectional view of a durable precision bearing proposed by the present utility model;

[0025] Figure 3 for Figure 2 A schematic diagram of the structure at point A in the middle;

[0026] Figure 4 for Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0027] Figure 5 This is a partial axonometric diagram of a durable precision bearing proposed in the present utility model;

[0028] Figure 6 This is a partial top view schematic diagram of a durable precision bearing proposed by the present invention.

[0029] Legend:

[0030] 1. Bearing outer ring; 2. Bearing inner ring; 3. Bearing ball; 4. Protective assembly; 5. Disassembly assembly; 6. Protective cover; 7. External sealing ring; 8. External sealing groove; 9. Step ring; 10. Step groove; 11. Groove; 12. Rebound groove; 13. Rebound block; 14. Fixed groove; 15. Rebound spring; 16. Guide groove; 17. Guide block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, not all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1 、 Figure 2 and Figure 4 The utility model provides a specific embodiment: a durable precision bearing, comprising a bearing outer ring 1, a bearing inner ring 2 and a plurality of bearing balls 3, wherein protective components 4 are provided at the upper and lower ends of the bearing outer ring 1 and the bearing inner ring 2, and disassembly components 5 are provided on both sides of the outer wall of the bearing outer ring 1;

[0033] The protective assembly 4 includes two protective covers 6, and the opposite ends of the two protective covers 6 are fixedly connected to outer sealing rings 7 on the outside. The upper and lower ends of the bearing outer ring 1 are provided with outer sealing grooves 8, and the opposite ends of the two protective covers 6 are fixedly connected to step rings 9 on the inside. The upper and lower ends of the bearing inner ring 2 are provided with step grooves 10. By providing the protective assembly 4, the outer sealing rings 7 on the protective cover 6 are inserted into the outer sealing grooves 8, and then the step rings 9 on the protective cover 6 are inserted into the step grooves 10, and in conjunction with the protective cover 6 itself, the bearing balls 3 can be effectively protected, which greatly reduces the probability of external dust, dirt and other pollutants entering the bearing, and effectively improves the performance and life of the bearing. The outer sealing rings 7 are snap-fitted in the outer sealing grooves 8. By snap-fitting the outer sealing rings 7 in the outer sealing grooves 8, the The outer sealing clamp ring 7 can fit tightly together with the inner wall of the outer sealing groove 8, thereby forming a tight barrier between the protective cover 6 and the bearing outer ring 1, thereby effectively preventing external dust, dirt and other pollutants from entering the bearing. The two step rings 9 are movably set in the corresponding step grooves 10. By movably setting the two step rings 9 in the corresponding step grooves 10, there will be a gap between the step rings 9 after they are inserted into the step grooves 10, thereby ensuring that the bearing inner ring 2 can rotate smoothly. At the same time, due to the stepped design of the step rings 9 and the step grooves 10, even if there is a gap between the two, the probability of external dust, dirt and other pollutants entering the bearing can be greatly reduced. The outer walls of the two protective covers 6 are provided with grooves 11. By providing the grooves 11, it is convenient for the operator to operate the protective cover 6 more easily.

[0034] Reference Figure 3 、 Figure 5 and Figure 6The disassembly and assembly component 5 includes a plurality of rebound blocks 13. Rebound grooves 12 are provided on both sides of the outer walls of the two outer sealing clamping rings 7. The plurality of rebound blocks 13 are movably arranged in the corresponding rebound grooves 12. Fixed grooves 14 are provided on both sides of the outer wall of the bearing outer ring 1, near the upper and lower parts. The plurality of rebound blocks 13 are engaged in the corresponding fixed grooves 14. By providing the disassembly and assembly component 5, the protective cover 6 can be quickly fixed, installed and unlocked for disassembly, which is convenient for installation and use, and can give the protective cover 6 the ability to be quickly detached from the bearing, thereby making it convenient for the staff to disassemble and replace the protective cover 6, ensuring the protection effect, and facilitating the maintenance of the bearing interior. By engaging the plurality of rebound blocks 13 in the corresponding fixed grooves 14, the two protective covers 6 can be fixedly installed at both ends of the bearing. To ensure stable use, a plurality of rebound blocks 13 and the inner wall of the opposite side of the corresponding rebound groove 12 are fixedly connected with a rebound spring 15, and the plurality of rebound springs 15 are movably arranged in the corresponding rebound groove 12. By providing the rebound spring 15, after the outer sealing clamping ring 7 is inserted into the outer sealing clamping groove 8, the rebound block 13 can be quickly popped out of the rebound groove 12 and stably inserted into the fixed clamping groove 14 through the provided rebound spring 15, thereby completing the rapid fixing operation of the protective cover 6. The upper and lower end inner walls of the plurality of rebound grooves 12 are provided with guide grooves 16, and the interior of the plurality of guide grooves 16 are slidably provided with guide blocks 17, and the plurality of guide blocks 17 are fixedly connected to the corresponding rebound block 13. By providing the guide grooves 16 and the guide blocks 17, the activity process of the rebound block 13 is made more stable.

[0035] Working principle: When in use, by inserting the outer sealing snap ring 7 on the protective cover 6 into the outer sealing slot 8, and then inserting the stepped ring 9 on the protective cover 6 into the stepped groove 10, and cooperating with the protective cover 6 itself, the bearing ball 3 can be effectively protected, which greatly reduces the probability of external dust, dirt and other pollutants entering the bearing, effectively improving the performance and life of the bearing, and after the outer sealing snap ring 7 is inserted into the outer sealing slot 8, the rebound block 13 can be quickly ejected from the rebound groove 12 and stably inserted into the fixed slot 14 through the provided rebound spring 15, thereby completing the rapid fixing operation of the protective cover 6, so that it can be used stably, and if the protective cover 6 needs to be disassembled, replaced or the inside of the bearing needs maintenance, the rebound block 13 can be pressed to disengage it from the fixed slot 14, thereby releasing the fixing restriction of the protective cover 6, and then it can be separated from the bearing, which is simple, convenient and fast to operate.

[0036] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions described in the aforementioned specific implementation methods or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A durable precision bearing comprising a bearing outer ring (1), a bearing inner ring (2) and a plurality of bearing balls (3), characterized in that: Protective components (4) are provided at the upper and lower ends of the bearing outer ring (1) and the bearing inner ring (2), and disassembly and assembly components (5) are provided on both sides of the outer wall of the bearing outer ring (1); The protective assembly (4) includes two protective covers (6), and the outer sides of the two protective covers (6) are fixedly connected to external sealing rings (7), the upper and lower ends of the bearing outer ring (1) are both provided with external sealing grooves (8), the inner sides of the two protective covers (6) are both fixedly connected to stepped rings (9), and the upper and lower ends of the bearing inner ring (2) are both provided with stepped grooves (10).

2. A durable precision bearing according to claim 1, characterized in that: The disassembly and assembly component (5) includes a plurality of rebound blocks (13), and rebound grooves (12) are provided on both sides of the outer walls of the two outer sealing rings (7). The plurality of rebound blocks (13) are movably arranged in the corresponding rebound grooves (12). Fixed grooves (14) are provided on both sides of the outer wall of the bearing outer ring (1) at the upper and lower positions, and the plurality of rebound blocks (13) are engaged in the corresponding fixed grooves (14).

3. A durable precision bearing according to claim 2, characterized in that: A return spring (15) is fixedly connected between the plurality of rebound blocks (13) and the inner wall of the corresponding rebound groove (12) on the opposite side, and the plurality of rebound springs (15) are movably arranged in the corresponding rebound groove (12).

4. The durable precision bearing according to claim 2, characterized in that: The inner walls of the upper and lower ends of the plurality of rebound grooves (12) are each provided with a guide groove (16), the interiors of the plurality of guide grooves (16) are each slidably provided with a guide block (17), and the plurality of guide blocks (17) are each fixedly connected to the corresponding rebound block (13).

5. The durable precision bearing according to claim 1, characterized in that: The outer sealing clamp ring (7) is clamped and arranged in the outer sealing clamp groove (8).

6. The durable precision bearing according to claim 1, characterized in that: The two step rings (9) are both movably arranged in the corresponding step grooves (10).

7. The durable precision bearing according to claim 1, characterized in that: The outer walls of the two protective covers (6) are both provided with grooves (11).