Protective insert bearing with housing

By installing a protective cover and seals between the outer spherical bearing housing and the outer ring, and by providing vent holes and using a breathable membrane on the outer side wall, the problems of weak protection performance and air pressure imbalance of the outer spherical bearing are solved, achieving waterproofing, dustproofing, and air pressure balance, thereby improving the stability and lifespan of the bearing.

CN223938491UActive Publication Date: 2026-02-24CHANGZHOU WUJIN HUANYU BEARING
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Patent Information

Application Number
CN202520235760.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-02-24
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

Existing spherical bearings have weak protective performance and poor sealing effect, allowing contaminants such as water and dust to easily penetrate the bearing, causing wear and corrosion. At the same time, the lack of an effective ventilation structure makes it difficult to balance the air pressure inside and outside the bearing.

Method used

A protective cover and seals are installed between the bearing housing and the outer ring of the bearing. The outer wall has vent holes and uses a breathable membrane to prevent contaminants from entering and to achieve air pressure balance. The breathable membrane made of polytetrafluoroethylene is waterproof and dustproof.

Benefits of technology

It effectively prevents dust and moisture from entering, avoids wear and corrosion, ensures the stability and service life of the bearing, and achieves air pressure balance through the breathable membrane, thereby improving the protective performance and service life of the bearing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of insert bearings, and discloses a protective insert bearing with a seat, which comprises a protective component, and the protective component comprises a bearing seat, a bolt hole, a mounting rack, an oil cup, a vent hole, a breathable film, a protective cover, a fixing bolt, a diversion trench and a sealing element. Two bolt holes are symmetrically formed in the bottom of the bearing seat, a mounting frame is fixedly connected to the top of the bearing seat, an oil cup is mounted on the top of the mounting frame, vent holes are evenly formed in the outer side wall of the bearing seat, and breathable films are fixedly connected to the inner side walls of the vent holes. The protective cover and the sealing piece are arranged between the bearing seat and the bearing outer ring, so that dust and water can be prevented from entering the bearing seat, and the problems of abrasion and corrosion caused by the dust and the water are avoided. The vent holes are formed in the outer side wall of the bearing seat, air pressure balance inside and outside the bearing can be guaranteed, waterproof and dustproof effects are achieved through the breathable film, and the stability and the service life of the bearing are improved.
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Description

Technical Field

[0001] This utility model relates to the field of spherical bearing technology, specifically a protective mounted spherical bearing. Background Technology

[0002] Spherical roller bearings are a variant of deep groove ball bearings, designed to match the concave spherical surface of the bearing housing for self-aligning. Their internal structure is similar to deep groove ball bearings, but the outer ring has a truncated spherical surface. They are often used in combination with cast or stamped steel housings to form mounted spherical roller bearings. Spherical roller bearings are widely used in machine tools, conveying equipment, agricultural machinery, and many other fields.

[0003] Existing spherical roller bearings have weak protective performance and poor sealing, allowing water, dust, and other contaminants to easily penetrate the bearing interior, leading to wear and corrosion problems. Furthermore, the lack of an effective ventilation structure makes it difficult to balance the internal and external air pressure of the bearing, creating an additional burden during operation, accelerating bearing damage, and adversely affecting equipment stability and service life. Therefore, a protective mounted spherical roller bearing is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a protective mounted spherical bearing to solve the problems mentioned in the background art, such as weak protective performance, poor sealing effect, easy intrusion of water and dust into the bearing, causing wear and corrosion, and lack of effective ventilation structure, making it difficult to balance the air pressure inside and outside the bearing.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a protective mounted spherical bearing, comprising a protective assembly, wherein the protective assembly includes a bearing housing, bolt holes, a mounting bracket, an oil cup, a vent hole, a breathable membrane, a protective cover, fixing bolts, a guide groove, and a seal;

[0006] The bearing housing has two bolt holes symmetrically opened at the bottom. A mounting bracket is fixedly connected to the top of the bearing housing. An oil cup is installed on the top of the mounting bracket. Vent holes are evenly opened on the outer side wall of the bearing housing. A breathable membrane is fixedly connected to the inner side wall of the vent holes. A protective cover is fixedly connected to the outer side wall of the mounting bracket by fixing bolts. A guide groove is opened on one side of the protective cover. A sealing element is fixedly connected to the inner side wall of the protective cover.

[0007] Preferably, the protective component has a bearing assembly inside, the bearing assembly including an outer ring and an inner ring;

[0008] An inner ring is installed inside the outer ring.

[0009] Preferably, the outer ring is fixedly connected to the inner wall of the bearing housing.

[0010] Preferably, a retainer is installed between the outer ring and the inner ring.

[0011] Preferably, rolling elements are uniformly fixedly connected to the inner wall of the retainer.

[0012] Preferably, two retaining rings are symmetrically installed on the outer side wall of the inner ring.

[0013] Preferably, the rolling element is disposed between the outer ring and the inner ring.

[0014] Preferably, the seal is disposed on the outer side wall of the outer ring.

[0015] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0016] 1. This utility model, by installing a protective cover and a seal between the bearing housing and the outer ring of the bearing, can prevent dust and moisture from entering the interior of the bearing housing, thus avoiding wear and corrosion problems caused by dust and moisture.

[0017] 2. This utility model can ensure the balance of air pressure inside and outside the bearing by opening vent holes on the outer wall of the bearing housing. At the same time, the breathable membrane can achieve the effect of waterproofing and dustproofing, thereby improving the stability and service life of the bearing. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a front view structural diagram of the present invention;

[0021] Figure 3 This is a schematic diagram of the bearing assembly structure of this utility model;

[0022] Figure 4 This is a top view of the structure of this utility model.

[0023] Explanation of reference numerals in the attached drawings: 10. Protective component; 11. Bearing housing; 12. Bolt hole; 13. Mounting bracket; 14. Oil cup; 15. Vent hole; 16. Breathable membrane; 17. Protective cover; 18. Fixing bolt; 19. Guide groove; 110. Seal; 20. Bearing assembly; 21. Outer ring; 22. Inner ring; 23. Retainer; 24. Rolling element; 25. Snap ring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0025] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0026] Example

[0027] In the existing technology, the existing external spherical bearings have weak protective performance and poor sealing effect. Water and dust and other contaminants can easily penetrate into the bearing, causing wear and corrosion. In addition, the existing external spherical bearings lack an effective ventilation structure, making it difficult to balance the air pressure inside and outside the bearing.

[0028] Please see Figure 1-3 This utility model provides a technical solution: a protective mounted spherical bearing, including a protective component 10, which includes a bearing housing 11, bolt holes 12, a mounting bracket 13, an oil cup 14, a vent hole 15, a breathable membrane 16, a protective cover 17, fixing bolts 18, a guide groove 19, and a seal 110.

[0029] Two bolt holes 12 are symmetrically provided at the bottom of the bearing housing 11. A mounting bracket 13 is fixedly connected to the top of the bearing housing 11, and an oil cup 14 is installed on the top of the mounting bracket 13. Vent holes 15 are evenly provided on the outer side wall of the bearing housing 11. A breathable membrane 16 is fixedly connected to the inner side wall of the vent holes 15. A protective cover 17 is fixedly connected to the outer side wall of the mounting bracket 13 by fixing bolts 18. A guide groove 19 is provided on one side of the protective cover 17. A seal 110 is fixedly connected to the inner side wall of the protective cover 17 to block large particles from the outside. The direct intrusion of impurities and liquids is prevented, and the protective cover 17 has a guide groove 19 on its surface to guide the liquid out. When the bearing is working, it is vented through the vent hole 15 to balance the air pressure inside and outside the bearing seat 11. At the same time, the breathable membrane 16 made of polytetrafluoroethylene is used for waterproofing and dustproofing, achieving good waterproof, dustproof and breathable effects. The protective cover 17 is made of metal and the surface is treated with anti-corrosion. The edge of the protective cover 17 is bent to form a flange and fits tightly with the outer wall of the bearing seat 11. The oil cup 14 facilitates the replenishment of lubricating oil into the bearing.

[0030] In this embodiment, specifically: a bearing assembly 20 is provided inside the protective component 10, and the bearing assembly 20 includes an outer ring 21 and an inner ring 22;

[0031] An inner ring 22 is installed inside the outer ring 21. The inner ring 22 and the outer ring 21 can rotate relative to each other to achieve the bearing's support and auxiliary functions.

[0032] In this embodiment, specifically: the outer ring 21 is fixedly connected to the inner wall of the bearing housing 11, and the inner wall of the outer ring 21 and the outer wall of the inner ring 22 are both provided with grooves corresponding to the rolling elements 24.

[0033] In this embodiment, specifically: a retainer 23 is installed between the outer ring 21 and the inner ring 22. The retainer 23 is used to evenly separate the rolling elements 24 so that they are evenly distributed, thereby reducing friction and wear between the rolling elements 24.

[0034] In this embodiment, specifically: rolling elements 24 are uniformly fixedly connected to the inner sidewall of the retainer 23. In this embodiment, the rolling elements 24 are steel balls.

[0035] In this embodiment, specifically: two retaining rings 25 are symmetrically installed on the outer side wall of the inner ring 22. The retaining rings 25 are used to prevent dust, contaminants and grease from entering and to protect the internal parts of the bearing.

[0036] In this embodiment, specifically: the rolling element 24 is disposed between the outer ring 21 and the inner ring 22, and the rolling element 24 can reduce the rotational friction between the inner ring 21 and the outer ring 22 of the bearing.

[0037] In this embodiment, specifically: the seal 110 is disposed on the outer side wall of the outer ring 21. The seal 110 is a double-lip seal structure, with the two lips in close contact with the outer surface of the outer ring 21 and the inner wall of the bearing seat 11, respectively, forming a double sealing defense line to improve sealing performance.

[0038] The working principle or structural principle is as follows: the bearing assembly 20 is installed inside the bearing housing 11, so that the bearing and the bearing housing 11 form a whole. Then, the protective covers 17 on both sides are installed on the bearing housing 11. The seal 110 blocks the direct intrusion of large particles and liquids from the outside. At the same time, the surface of the protective cover 17 is opened with a guide groove 19 to guide the liquid out. When the bearing is working, it is vented through the vent hole 15 to balance the air pressure inside and outside the bearing housing 11. At the same time, the breathable membrane 16 made of polytetrafluoroethylene is used for waterproofing and dustproofing, achieving good waterproof, dustproof and breathable effects.

[0039] In summary, by installing a protective cover 17 and a seal 110 between the bearing housing 11 and the bearing outer ring 21, this utility model can prevent dust and moisture from entering the interior of the bearing housing 11, thus avoiding wear and corrosion caused by dust and moisture. By opening a vent hole 15 on the outer wall of the bearing housing 11, this utility model can ensure the balance of air pressure inside and outside the bearing, and at the same time, the breathable membrane 16 can achieve the effect of waterproofing and dustproofing, thereby improving the stability and service life of the bearing.

[0040] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A protective mounted spherical roller bearing, comprising a protective assembly (10), characterized in that: The protective assembly (10) includes a bearing housing (11), bolt holes (12), mounting bracket (13), oil cup (14), vent hole (15), breathable membrane (16), protective cover (17), fixing bolts (18), flow guide groove (19), and seal (110); The bearing housing (11) has two symmetrical bolt holes (12) at its bottom. The bearing housing (11) is fixedly connected to a mounting bracket (13). An oil cup (14) is installed on the top of the mounting bracket (13). Vent holes (15) are evenly provided on the outer side wall of the bearing housing (11). A breathable membrane (16) is fixedly connected to the inner side wall of the vent hole (15). A protective cover (17) is fixedly connected to the outer side wall of the mounting bracket (13) by fixing bolts (18). A guide groove (19) is provided on one side of the protective cover (17). A sealing element (110) is fixedly connected to the inner side wall of the protective cover (17).

2. The protective mounted spherical roller bearing according to claim 1, characterized in that: The protective component (10) is provided with a bearing assembly (20) inside, the bearing assembly (20) including an outer ring (21) and an inner ring (22); An inner ring (22) is installed inside the outer ring (21).

3. The protective mounted spherical roller bearing according to claim 2, characterized in that: The outer ring (21) is fixedly connected to the inner wall of the bearing housing (11).

4. The protective mounted spherical roller bearing according to claim 2, characterized in that: A retainer (23) is installed between the outer ring (21) and the inner ring (22).

5. The protective mounted spherical roller bearing according to claim 4, characterized in that: Rolling elements (24) are uniformly fixedly connected to the inner wall of the retainer (23).

6. The protective mounted spherical roller bearing according to claim 2, characterized in that: Two retaining rings (25) are symmetrically installed on the outer side wall of the inner ring (22).

7. The protective mounted spherical roller bearing according to claim 5, characterized in that: The rolling element (24) is disposed between the outer ring (21) and the inner ring (22).

8. The protective mounted spherical roller bearing according to claim 2, characterized in that: The seal (110) is disposed on the outer side wall of the outer ring (21).