CN216951278U

CN216951278U - High-sealing dustproof rolling bearing

Info

Publication number: CN216951278U
Application number: CN202220590675.6U
Authority: CN
Inventors: 刘俊毅
Original assignee: Zhejiang Shengya Bearing Technology Co ltd
Current assignee: Zhejiang Shengya Bearing Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-12
Anticipated expiration: 2032-03-17

Abstract

The utility model provides a high-sealing dustproof rolling bearing, and belongs to the technical field of bearings. The rolling bearing solves the problems that the rolling element in the existing rolling bearing can generate larger abrasion with the bearing wall after being used for a long time, the shaft arranged on the rolling bearing can be greatly influenced, and certain dangerousness exists. This high sealed dust protected antifriction bearing, including bearing inner race one, bearing inner race two and bearing inner race, bearing inner race one fixed mounting is on bearing inner race two, bearing inner race's middle part has the inclination, bearing inner race's outer wall epirelief is equipped with the connecting portion of being connected with bearing inner race two, set up the mounting groove that supplies bearing inner race two to install on the connecting portion, bearing inner race two epireliefs are equipped with the bulge loop corresponding with the mounting groove, be provided with between bearing inner race and the bearing inner race one and be used for rolling subassembly one, be provided with between bearing inner race and the bearing inner race two and be used for rolling subassembly two. The utility model has the advantages of high stability and high sealing effect.

Description

High-sealing dustproof rolling bearing

Technical Field

The utility model belongs to the technical field of bearings, relates to a rolling bearing, and particularly relates to a high-sealing dustproof rolling bearing.

Background

With the rapid development of market economy, the requirements of users on the quality of bearings are higher and higher, and particularly, the motor market puts higher requirements on the temperature rise, abnormal sound, grease leakage and energy consumption of sealed bearings at high rotating speed. The bearing is a precision part, but the working environment is complex, 70% of the early failure is caused by abnormal abrasion or poor rotation of a raceway due to impurities entering the inside of the bearing, when the existing rolling bearing is used, lubricating oil cannot be well added between a rolling element and a bearing wall, and the rolling element in the rolling bearing and the bearing wall generate larger abrasion after long-term use, so that a shaft arranged on the rolling bearing is greatly influenced, and certain dangerousness is realized.

Disclosure of Invention

The present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a dustproof rolling bearing having high stability and high sealing effect.

The purpose of the utility model can be realized by the following technical scheme: a high-sealing dustproof rolling bearing is characterized by comprising a first bearing outer ring, a second bearing outer ring and a bearing inner ring, wherein the first bearing outer ring is fixedly arranged on the second bearing outer ring and is positioned at the upper end of the second bearing outer ring, the middle part of the bearing inner ring is inclined, a connecting part connected with the second bearing outer ring is arranged on the outer wall of the first bearing outer ring in a protruding mode, a mounting groove for mounting the second bearing outer ring is formed in the connecting part, a convex ring corresponding to the mounting groove is arranged on the second bearing outer ring in a protruding mode, a first rolling assembly for rolling is arranged between the first bearing inner ring and the first bearing outer ring, a second rolling assembly for rolling is arranged between the second bearing inner ring and the second bearing outer ring, and rolling spaces for the first rolling assembly and the second rolling assembly to roll are formed by the first bearing inner ring, the first bearing outer ring and the second bearing outer ring, the inner wall epirelief of bearing inner race two be equipped with protruding ring, just bearing inner race two set up on protruding ring, the inner wall of bearing inner race two on still have the oil deflector that supplies lubricating oil to carry out the flow, oil deflector slope set up on bearing inner race two, bearing inner race two on set up a plurality of oil filler point that is used for pouring into lubricating oil, connecting portion block the oil filler point when the installation and make roll and form the confined space in the space.

In the highly-sealed dustproof rolling bearing, the first rolling assembly and the second rolling assembly are both composed of a plurality of rolling parts and a retainer, the retainer is arranged on the outer sides of the rolling parts, the rolling parts are connected into a whole through the retainer, a first rolling groove for the first rolling assembly to roll is formed in the first bearing outer ring, and a second rolling groove for the second rolling assembly to roll is formed in the second bearing outer ring.

In foretell high sealed dust protected antifriction bearing, bearing inner race one and bearing inner race on be provided with and be used for dirt-proof dust cover one, bearing inner race two and bearing inner race on be provided with and be used for dirt-proof dust cover two, the one end of dust cover one links to each other with bearing inner race one, and in the other end stretched into the roll space, the one end and the bearing inner race two of dust cover two link to each other, and in the other end stretched into the roll space.

In the above-mentioned high-sealing dustproof rolling bearing, the oil injection hole is obliquely arranged.

In the above-mentioned high-sealing dustproof rolling bearing, a sealing ring for sealing is arranged outside the first bearing outer ring.

Compared with the prior art, the high-sealing dustproof rolling bearing has the following advantages:

1. the inner part is provided with a plurality of slopes, so that lubricating grease above the rolling space can flow into the second rolling assembly during the operation process of the rolling device, and the lubricating effect in the rolling device is enhanced.

2. When one of the rolling assemblies is in a problem, the other rolling assembly can still roll as usual, so that the stability of the utility model is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

In the figure, 1, a bearing outer ring I; 2. a second bearing outer ring; 3. a bearing inner race; 4. a connecting portion; 5. mounting grooves; 6. a convex ring; 7. a first rolling component; 8. a second rolling component; 9. rolling the space; 10. a raised ring; 11. an oil guide plate; 12. an oil filler hole; 13. a rolling member; 14. a holder; 15. a first rolling groove; 16. a second rolling groove; 17. a first dust cover; 18. a second dust cover; 19. a seal ring; 20. and a third rolling groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the high-sealing dustproof rolling bearing comprises a bearing outer ring I1, a bearing outer ring II 2 and a bearing inner ring 3, wherein the bearing outer ring I1 is fixedly installed on the bearing outer ring II 2 and is located at the upper end of the bearing outer ring II 2, the middle of the bearing inner ring 3 is inclined, a connecting part 4 connected with the bearing outer ring II 2 is arranged on the outer wall of the bearing outer ring I1 in a protruding mode, a mounting groove 5 for the bearing outer ring II 2 to be installed is formed in the connecting part 4, a convex ring 6 corresponding to the mounting groove 5 is arranged on the bearing outer ring II 2 in a protruding mode, a rolling assembly I7 used for rolling is arranged between the bearing inner ring 3 and the bearing outer ring I1, a rolling assembly II 8 used for rolling is arranged between the bearing inner ring 3 and the bearing outer ring II 2, and the bearing inner ring 3, the bearing outer ring I1 and the bearing outer ring II 2 form a rolling empty space for the rolling assembly I7 and the rolling assembly II 8 to roll 9 within a definite time, the setting of 3 inclinations of bearing inner race supplies when the bearing uses, thereby inside because the effect of friction power, thereby the temperature risees lubricating grease becomes liquid from solid-state, lubricating oil can be along with the inclined plane get into in bearing outer lane 1 and supply to set up in rolling subassembly two 8 of lower extreme and lubricate, the inner wall epirelief of bearing outer lane two 2 be equipped with protruding ring 10, just bearing outer lane two 2 set up on protruding ring 10, the inner wall of bearing outer lane two 2 on still have and supply lubricating oil to carry out the oil deflector 11 that flows, oil deflector 11 slope set up on bearing outer lane two 2, bearing outer lane two 2 on seted up a plurality of oil filler point 12 that is used for pouring into lubricating oil, connecting portion 4 blocks oil filler point 12 when the installation and makes rolling space 9 form the confined space.

Further saying in detail, in the use, when needing to add lubricating oil to inside, only need to carry out one section distance with bearing inner race two 2 and can come to roll the inside lubricating oil that adds of space 9 through oil filler point 12, and when using, because the inside produced heat of mutual friction of rotation in-process of bearing, can make the lubricating grease that adds originally before the use liquefy, lubricating oil can be followed the inner wall of its bearing inner race 1 and is slided on the outer wall of bearing inner race 3, and because the middle part of bearing inner race 3 has certain inclination and leads oiled plate 11 and have the inclination, it can get into and sets up and carry out the lubrication to rolling element two 8 in rolling element two 8 department of rolling element 9 lower extreme, the lubricated effect of its inside has been improved.

In more detail, the first rolling assembly 7 and the second rolling assembly 8 are respectively composed of a plurality of rolling elements 13 and a retainer 14, the retainer 14 is installed on the outer sides of the rolling elements 13, the rolling elements 13 are connected into a whole through the retainer 14, a first rolling groove 15 for the first rolling assembly 7 to roll is formed in the first bearing outer ring 1, a second rolling groove 16 for the second rolling assembly 8 to roll is formed in the second bearing outer ring 2, and a third rolling groove 20 for the first rolling assembly 7 and the second rolling assembly 8 to roll is formed in the inner bearing ring 3.

In further detail, before the rolling assembly, the lower rolling assembly 8 can be lubricated by adding lubricating grease to the rolling assembly 7 at the upper end part, and when the lubricating grease is insufficient in the rolling assembly, the lubricating grease can be added into the rolling space 9 through the oil injection hole 12.

It is further said that bearing inner race 1 and bearing inner race 3 are last to be provided with and to be used for dirt-proof dust cover 17, bearing inner race two 2 and bearing inner race 3 on be provided with and to be used for dirt-proof dust cover two 18, the one end of dust cover one 17 links to each other with bearing inner race one 1, and in the other end stretched into roll space 9, the one end of dust cover two 18 links to each other with bearing inner race two 2, and in the other end stretched into roll space 9.

In further detail, the oil hole 12 is provided obliquely.

In more detail, the outer part of the bearing outer ring 1 is provided with a sealing ring 19 for sealing.

In more detail, the connecting portion 4 of the first bearing outer ring 1 shields the oil injection hole 12 on the outer wall of the second bearing outer ring 2 when in use, so that a sealed space is formed in the rolling space 9, and the sealing ring 19 is added to the connecting portion 4 of the first bearing outer ring 1 and the second bearing outer ring 2, so that the sealing performance of the inner portion is improved.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The high-sealing dustproof rolling bearing is characterized by comprising a first bearing outer ring (1), a second bearing outer ring (2) and a bearing inner ring (3), wherein the first bearing outer ring (1) is fixedly arranged on the second bearing outer ring (2) and is positioned at the upper end of the second bearing outer ring (2), the middle part of the bearing inner ring (3) is inclined, a connecting part (4) connected with the second bearing outer ring (2) is arranged on the outer wall of the first bearing outer ring (1) in a protruding manner, a mounting groove (5) for the second bearing outer ring (2) to be mounted is formed in the connecting part (4), a convex ring (6) corresponding to the mounting groove (5) is arranged on the second bearing outer ring (2) in a protruding manner, a first rolling component (7) for rolling is arranged between the first bearing inner ring (3) and the second bearing outer ring (2), a second rolling component (8) for rolling is arranged between the second bearing inner ring (3) and the second bearing outer ring (2), bearing inner race (3), bearing outer ring (1) and bearing outer ring two (2) form and supply rolling subassembly (7) and rolling subassembly two (8) to carry out rolling roll space (9), the inner wall epirelief of bearing outer ring two (2) be equipped with protruding ring (10), just bearing outer ring two (2) set up on protruding ring (10), the inner wall of bearing outer ring two (2) on still have and supply lubricating oil to carry out oil guide plate (11) that flow, oil guide plate (11) slope set up on bearing outer ring two (2), bearing outer ring two (2) on seted up a plurality of oil filler point (12) that are used for pouring into lubricating oil into, connecting portion (4) block oil filler point (12) when the installation and form sealed space in roll space (9).

2. The high-sealing dustproof rolling bearing according to claim 1, wherein the first rolling assembly (7) and the second rolling assembly (8) are respectively composed of a plurality of rolling elements (13) and a retainer (14), the retainer (14) is installed on the outer sides of the rolling elements (13), the rolling elements (13) are connected into a whole through the retainer (14), a first rolling groove (15) for the first rolling assembly (7) to roll is formed in the first bearing outer ring (1), and a second rolling groove (16) for the second rolling assembly (8) to roll is formed in the second bearing outer ring (2).

3. The rolling bearing with high sealing and dust prevention performance according to claim 1, wherein a first dust cover (17) for dust prevention is arranged on the first bearing outer ring (1) and the first bearing inner ring (3), a second dust cover (18) for dust prevention is arranged on the second bearing outer ring (2) and the second bearing inner ring (3), one end of the first dust cover (17) is connected with the first bearing outer ring (1), the other end of the first dust cover extends into the rolling space (9), one end of the second dust cover (18) is connected with the second bearing outer ring (2), and the other end of the second dust cover extends into the rolling space (9).

4. A highly sealed and dustproof rolling bearing according to claim 1, wherein said oil injection hole (12) is provided obliquely.

5. A high-sealing dustproof rolling bearing according to claim 1, wherein a sealing ring (19) for sealing is provided outside the bearing outer ring one (1).