CN213870752U

CN213870752U - Thrust ball bearing

Info

Publication number: CN213870752U
Application number: CN202022659467.0U
Authority: CN
Inventors: 何东方
Original assignee: Xiangyang Hefa Bearing Co ltd
Current assignee: Xiangyang Hefa Bearing Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-08-03
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a thrust ball bearing, including the bearing body, this internal one side position of bearing is provided with the seat circle, surface one side of seat circle is provided with first boss, surface one side of first boss is provided with the second boss, the surface of first boss is provided with first holder, evenly distributed is provided with a plurality of first mounting grooves in the first holder, and is a plurality of all be provided with first ball in the first mounting groove, the surface of second boss is provided with the second holder, evenly distributed is provided with a plurality of second mounting grooves in the second holder. The utility model discloses in, through the cooperation of seat circle structure and two shaft collar structures, can realize that two coaxial parts can stabilize the operation simultaneously, for example the structure of some similar revolving stages in the machining satisfies and to have different rotation requirements to two coaxial parts, synchronous shaft collar pressure-bearing, and the structure can stabilize common operation, and overall structure design retrencies, connects stably.

Description

Thrust ball bearing

Technical Field

The utility model relates to a bearing technical field especially relates to a thrust ball bearing.

Background

The thrust ball bearing adopts a design capable of bearing thrust load during high-speed operation and is composed of a washer-shaped ferrule with a raceway groove for rolling balls. Since the ferrule is seat cushion-shaped, the thrust ball bearing is classified into two types, a flat seat cushion type and a self-aligning spherical seat cushion type. In addition, such bearings can withstand axial loads, but not radial loads;

some existing thrust ball bearings are single in structural design, and although the arrangement mode can stably carry out bearing ring pressure-bearing operation, the thrust ball bearings cannot be normally used for synchronous pressure-bearing operation of different coaxial components, such as a mechanical rotary table and the like, and certain limitation problems exist in the use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a thrust ball bearing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a thrust ball bearing comprises a bearing body, wherein a seat ring is arranged at one side position in the bearing body, a first boss is arranged at one side of the outer surface of the seat ring, a second boss is arranged at one side of the outer surface of the first boss, a first retainer is arranged at the outer surface of the first boss, a plurality of first mounting grooves are uniformly distributed in the first retainer, a plurality of first rolling balls are arranged in the first mounting grooves, a second retainer is arranged at the outer surface of the second boss, a plurality of second mounting grooves are uniformly distributed in the second retainer, a plurality of second rolling balls are arranged in the second mounting grooves, a first shaft ring is arranged at one side position of the seat ring in the bearing body, a movable groove is arranged at one side of the outer surface of the first shaft ring, a second shaft ring is arranged in the movable groove, and a third retainer is arranged between the inner wall of the movable groove and the outer surface of the second shaft ring, a plurality of third mounting grooves are uniformly distributed in the third retainer, a plurality of third balls are arranged in the third mounting grooves, and a first connecting groove is formed in the seat ring.

As a further description of the above technical solution:

the seat ring, the first boss and the second boss are integrally formed.

As a further description of the above technical solution:

the outer surfaces of the first balls are correspondingly attached to one side of the outer surface of the race and one side of the outer surface of the first shaft ring respectively.

As a further description of the above technical solution:

the outer surfaces of the second balls are correspondingly attached to one side of the outer surface of the first boss and one side of the outer surface of the second shaft ring respectively.

As a further description of the above technical solution:

the outer surfaces of the third balls are correspondingly attached to the inner wall of the movable groove and one side of the outer surface of the second shaft ring respectively.

As a further description of the above technical solution:

and a second connecting groove corresponding to the first connecting groove is arranged in the second shaft ring.

The utility model discloses following beneficial effect has:

this thrust ball bearing, cooperation through seat circle structure and two shaft collar structures, can realize that two coaxial parts can stable operation simultaneously, for example, the structure of some similar revolving stages in machining, satisfy and have different rotation requirements to two coaxial parts, synchronous shaft collar pressure-bearing, and the structure can stabilize common operation, it is very nimble convenient to use, overall structure design is retrencied, connect stably, some current thrust ball bearings have been solved, structural design is more single, such setting up mode can stably carry out shaft collar pressure-bearing operation, but then unable normal use to the synchronous pressure-bearing operation of some coaxial different parts, for example, mechanical turntable etc., certain limitation problem has then been existed in the use.

Drawings

Fig. 1 is a front view of a thrust ball bearing according to the present invention;

fig. 2 is a schematic diagram of a race structure of a thrust ball bearing according to the present invention;

fig. 3 is the utility model provides a thrust ball bearing's shaft washer schematic structure.

Illustration of the drawings:

1. a bearing body; 2. a seat ring; 3. a first boss; 4. a second boss; 5. a first holder; 6. a first mounting groove; 7. a first ball bearing; 8. a second holder; 9. a second mounting groove; 10. a second ball bearing; 11. a first collar; 12. a movable groove; 13. a second collar; 14. a third cage; 15. a third mounting groove; 16. a third ball bearing; 17. a first connecting groove; 18. a second connecting groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a thrust ball bearing comprises a bearing body 1, a seat ring 2 is arranged at one side position in the bearing body 1, a first boss 3 is arranged at one side of the outer surface of the seat ring 2, a second boss 4 is arranged at one side of the outer surface of the first boss 3, a first retainer 5 is arranged at the outer surface of the first boss 3, a plurality of first mounting grooves 6 are uniformly distributed in the first retainer 5, first balls 7 are arranged in the first mounting grooves 6, a second retainer 8 is arranged at the outer surface of the second boss 4, a plurality of second mounting grooves 9 are uniformly distributed in the second retainer 8, second balls 10 are arranged in the second mounting grooves 9, a first shaft ring 11 is arranged at one side position of the seat ring 2 in the bearing body 1, a movable groove 12 is arranged at one side of the outer surface of the first shaft ring 11, a second shaft ring 13 is arranged in the movable groove 12, and a third retainer 14 is arranged between the inner wall of the movable groove 12 and the outer surface of the second shaft ring 13, a plurality of third mounting grooves 15 are uniformly distributed in the third retainer 14, third balls 16 are arranged in the third mounting grooves 15, and first connecting grooves 17 are arranged in the seat ring 2.

The seat ring 2, the first boss 3 and the second boss 4 are integrally formed, and the stability of the operation of the whole bearing structure can be ensured through the structure.

The outer surfaces of the first balls 7 are correspondingly attached to one side of the outer surface of the race 2 and one side of the outer surface of the first shaft ring 11 respectively, and the structure can ensure that the whole bearing structure can stably run.

The outer surfaces of the second balls 10 are correspondingly attached to one side of the outer surface of the first boss 3 and one side of the outer surface of the second collar 13, and the whole bearing structure can be stably operated through the structural arrangement.

The outer surfaces of the third balls 16 are correspondingly attached to the inner wall of the movable groove 12 and one side of the outer surface of the second shaft ring 13, and the structure can ensure that the whole bearing structure can stably run.

A second connecting groove 18 corresponding to the first connecting groove 17 is arranged in the second collar 13, and the bearing can be conveniently installed through the structural arrangement.

The working principle is as follows: when using thrust ball bearing, install bearing arrangement structurally, through the setting of first race 11 with second race 13, can realize the synchronous pressure-bearing of coaxial different structures, also can the concurrent operation simultaneously, structural connection is stable, and it is nimble convenient to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A thrust ball bearing, comprising a bearing body (1), characterized in that: a seat ring (2) is arranged at one side position in the bearing body (1), a first boss (3) is arranged at one side of the outer surface of the seat ring (2), a second boss (4) is arranged at one side of the outer surface of the first boss (3), a first retainer (5) is arranged at the outer surface of the first boss (3), a plurality of first mounting grooves (6) are uniformly distributed in the first retainer (5), a plurality of first ball bearings (7) are arranged in the first mounting grooves (6), a second retainer (8) is arranged at the outer surface of the second boss (4), a plurality of second mounting grooves (9) are uniformly distributed in the second retainer (8), a plurality of second ball bearings (10) are arranged in the second mounting grooves (9), and a first shaft ring (11) is arranged at one side position of the seat ring (2) in the bearing body (1), the bearing is characterized in that a movable groove (12) is formed in one side of the outer surface of the first shaft ring (11), a second shaft ring (13) is arranged in the movable groove (12), a third retainer (14) is arranged between the inner wall of the movable groove (12) and the outer surface of the second shaft ring (13), a plurality of third mounting grooves (15) are uniformly distributed in the third retainer (14) and are multiple, third balls (16) are arranged in the third mounting grooves (15), and a first connecting groove (17) is formed in the bearing ring (2).

2. A thrust ball bearing according to claim 1, wherein: the seat ring (2), the first boss (3) and the second boss (4) are integrally formed.

3. A thrust ball bearing according to claim 1, wherein: the outer surfaces of the first balls (7) are correspondingly attached to one side of the outer surface of the race (2) and one side of the outer surface of the first shaft ring (11).

4. A thrust ball bearing according to claim 1, wherein: the outer surfaces of the second balls (10) are correspondingly attached to one side of the outer surface of the first boss (3) and one side of the outer surface of the second collar (13).

5. A thrust ball bearing according to claim 1, wherein: the outer surfaces of the third balls (16) are correspondingly attached to the inner wall of the movable groove (12) and one side of the outer surface of the second shaft ring (13).

6. A thrust ball bearing according to claim 1, wherein: and a second connecting groove (18) corresponding to the first connecting groove (17) is arranged in the second shaft ring (13).