CN213017303U

CN213017303U - Tapered roller bearing

Info

Publication number: CN213017303U
Application number: CN202021824270.1U
Authority: CN
Inventors: 毛成龙
Original assignee: Zhejiang Thomson Transmission Technology Co ltd
Current assignee: Zhejiang Thomson Transmission Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-20
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a tapered roller bearing relates to tapered roller bearing technical field, including outer loop, inner ring and a plurality of tapered roller who inject between outer loop and inner ring, set up in the inside of inner ring and stored oil chamber, set up the direction on the inner ring and lead the oilhole towards the outer loop, set up the mounting groove that the oilhole was led in the intercommunication on the inner ring, mounting groove's inside is provided with the oil absorption cotton, still set up the lubricating oil inlet hole in intercommunication oil storage chamber on the inner ring, be provided with on the lubricating oil inlet hole and carry out sealed shutoff subassembly to it. The utility model has the advantages that: through the cotton protrusion of oil absorption that sets up, the roller extrusion oil absorption is cotton for lubricating oil in the oil absorption is cotton can the dip-dye on the roller, and the lubricating oil in the oil guide hole can flow in towards the oil absorption cotton gradually, and the continuous cotton lubricating oil that provides for the oil absorption improves the lubricated effect of bearing, and the waste of lubricating oil is then avoided in the slow release, reduces the number of times that adds of lubricating oil.

Description

Tapered roller bearing

Technical Field

The utility model relates to a conical bearing technical field specifically is a tapered roller bearing.

Background

The tapered roller bearing belongs to a separated bearing, and the inner ring and the outer ring of the bearing are both provided with tapered roller paths. The bearing is divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers.

The lubrication of the bearing is important because friction is generated when the bearing rotates at a high speed, and the conventional tapered roller bearing has short maintenance period because the lubricating oil is gradually consumed and needs to be added again after the lubricating oil is added in the use process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tapered roller bearing, after lubricating oil adds, bearing self slowly releases the lubricating oil of interpolation, guarantees that the lubricating oil in the bearing uses and keeps sufficient, prolongs the maintenance cycle of bearing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tapered roller bearing, includes outer loop, inner ring and a plurality of inject the tapered roller between outer loop and inner ring, set up in the inside of inner ring and had the oil storage chamber, set up the direction on the inner ring and lead the oilhole towards the outer loop, set up the mounting groove that the oilhole was led in the intercommunication on the inner ring, mounting groove's inside is provided with the oil absorption cotton, still set up the lubricating oil inlet port in intercommunication oil storage chamber on the inner ring, be provided with the shutoff subassembly that seals up it on the lubricating oil inlet port.

Preferably, the plugging component comprises an elastic plugging plug embedded on the inner wall of the lubricating oil inlet hole, a tapered hole is formed in the elastic plugging plug, and the inner wall of one end of the tapered hole is tightly attached together.

Preferably, the opening of the mounting groove is aligned with the middle position of the tapered roller, and one end of the oil absorption cotton protrudes to the outside of the mounting groove and abuts against the outside of the tapered roller.

Preferably, the oil storage cavity is arranged in a ring shape, and the oil storage cavity and the inner ring are positioned at the same axis.

Preferably, the direction of the lubricant inlet hole is consistent with the axial direction of the inner ring, and the direction of the lubricant guide hole is consistent with the radial direction of the inner ring.

Compared with the prior art, the beneficial effects of the utility model are that: the tapered roller bearing comprises: through the cotton protrusion of oil absorption that sets up, when the bearing is rotatory, through roller extrusion oil absorption cotton for lubricating oil in the oil absorption cotton can dip and dye on the roller, and the lubricating oil in the oil guide hole can flow into towards the oil absorption cotton gradually, and the continuous cotton lubricating oil that provides for the oil absorption of guaranteeing bearing lubricating oil improves the lubricated effect of bearing, and the waste of lubricating oil is avoided in the slow release, reduces the number of times that adds of lubricating oil.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is a cross-sectional view of the plugging assembly of the present invention.

In the figure: 10. an outer ring; 11. a tapered roller; 12. an inner ring; 13. an oil storage chamber; 14. an oil guide hole; 16. installing a groove; 17. oil absorbing cotton; 18. a lubricating oil inlet hole; 19. a plugging component; 20. blocking; 21. and (4) a tapered hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a tapered roller bearing comprises an outer ring 10, an inner ring 12 and a plurality of tapered rollers 11 limited between the outer ring 10 and the inner ring 12, wherein an oil storage cavity 13 is arranged inside the inner ring 12, the oil storage cavity 13 is arranged on the inner ring 12, the oil storage cavity 13 is used for storing lubricating oil, an oil guide hole 14 facing the outer ring 10 is arranged on the inner ring 12, the oil guide hole 14 is used for flowing the lubricating oil, a mounting groove 16 communicated with the oil guide hole 14 is arranged on the inner ring 12, an oil absorption cotton 17 is arranged inside the mounting groove 16, the oil absorption cotton 17 can absorb the lubricating oil flowing out from the oil guide hole 14, the oil absorption cotton 17 can seal the oil guide hole 14 to prevent the lubricating oil from flowing out when the bearing is not in use, when the bearing rotates, the oil absorption cotton 17 is extruded by the tapered rollers 11, so that the lubricating oil in the oil absorption cotton 17 can be soaked on the tapered rollers 11 to achieve the purpose of releasing the lubricating oil, the inner ring 12 is further provided with a lubricating oil inlet hole 18 communicated with the oil storage cavity 13, the lubricating oil inlet hole 18 is used for adding lubricating oil, a plugging component 19 for sealing the lubricating oil inlet hole 18 is arranged on the lubricating oil inlet hole 18, and the plugging component 19 is used for plugging the lubricating oil inlet hole 18.

Referring to fig. 1 and 4, the plugging assembly 19 includes an elastic plug 20 embedded in an inner wall of the lubricant inlet 18, a tapered hole 21 is formed in the elastic plug 20, an inner wall of one end of the tapered hole 21 is tightly attached to the inner wall of the other end of the tapered hole, the elastic plug 20 is made of rubber, and the elastic plug is extruded together without using elasticity of the elastic plug, so that the sealing performance is ensured, and when the plugging assembly is used, the plugging assembly can be propped open by inserting the tapered hole 21, and the lubricant can be conveniently injected.

Referring to fig. 1 and 2, the opening of the mounting groove 16 is aligned with the middle position of the tapered roller 11, one end of the oil absorption cotton 17 protrudes to the outside of the mounting groove 16 and abuts against the outside of the tapered roller 11, and the oil absorption cotton 17 protrudes to the outside, so that the tapered roller 11 can be ensured to be in contact with the oil absorption cotton 17 during rotation, and the purpose of releasing lubricating oil is achieved.

Referring to fig. 2, the oil storage chamber 13 is configured in a ring shape, the oil storage chamber 13 and the inner ring 12 are located at the same axis, the annular oil storage chamber 13 is configured to ensure the oil storage amount, and is located at the same axis, the concentricity is high, and the influence caused by the excessive eccentric force during rotation is avoided.

Referring to fig. 1, the direction of the lubricant inlet hole 18 is the same as the axial direction of the inner ring 12, and the axial direction is the same, so that the lubricant inlet hole 18 is ensured to be parallel to the central axis of the bearing, the lubricant can be conveniently added, the direction of the lubricant guide hole 14 is the same as the radial direction of the inner ring 12, the direction of the lubricant guide hole 14 can be towards the position of the tapered roller 11, and the lubricant can flow towards the position of the tapered roller 11.

The utility model discloses a theory of operation: when the bearing works, when the inner ring 12 rotates, when the oil guide hole 14 enters the lower part of the bearing, the lubricating oil flows into the oil guide hole 14, namely flows into the oil absorption cotton 17, the oil absorption cotton 17 is extruded by the tapered roller 11, so that the lubricating oil in the oil absorption cotton 17 can be impregnated on the tapered roller 11 to achieve the purpose of releasing the lubricating oil, and the oil guide hole 14 can be blocked by the oil absorption cotton 17, so that the lubricating oil is prevented from flowing out when the bearing is not used; when lubricating oil needs to be filled, the oil can be inserted into the plugging component 19, and can be opened in a memorable manner after being inserted into the tapered hole 21, so that the lubricating oil is conveniently filled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tapered roller bearing comprising an outer ring (10), an inner ring (12), and a plurality of tapered rollers (11) defined between the outer ring (10) and the inner ring (12), characterized in that: the utility model discloses a lubricating oil storage device, including inner ring (12), set up in the inside of inner ring (12) and seted up oil storage chamber (13), set up oil guide hole (14) of direction orientation outer ring (10) on inner ring (12), set up mounting groove (16) that the intercommunication led oil hole (14) on inner ring (12), the inside of mounting groove (16) is provided with oil absorption cotton (17), lubricating oil inlet hole (18) of intercommunication oil storage chamber (13) still are seted up on inner ring (12), be provided with on lubricating oil inlet hole (18) and carry out sealed shutoff subassembly (19) to it.

2. A tapered roller bearing according to claim 1, wherein: the plugging assembly (19) comprises an elastic plugging plug (20) which is embedded on the inner wall of the lubricating oil inlet hole (18), a tapered hole (21) is formed in the elastic plugging plug (20), and the inner wall of one end of the tapered hole (21) is tightly attached together.

3. A tapered roller bearing according to claim 1, wherein: the opening of the mounting groove (16) is aligned with the middle position of the tapered roller (11), and one end of the oil absorption cotton (17) protrudes to the outside of the mounting groove (16) and is abutted against the outside of the tapered roller (11).

4. A tapered roller bearing according to claim 1, wherein: the oil storage cavity (13) is arranged to be annular, and the oil storage cavity (13) and the inner ring (12) are located at the same axis.

5. A tapered roller bearing according to claim 1, wherein: the direction of the lubricating oil inlet hole (18) is consistent with the axial direction of the inner ring (12), and the direction of the oil guide hole (14) is consistent with the radial direction of the inner ring (12).