阅读说明：本技术 一种单列内圈止推球轴承 (Single-row inner ring thrust ball bearing ) 是由 罗青华 朱立生 王淑军 于 2019-11-21 设计创作，主要内容包括：本发明公开了一种单列内圈止推球轴承,涉及轴承技术领域,包括轴承内圈,所述轴承内圈的内部设有辊轴颈。本发明中,通过设置导向槽和限位柱,在导向槽和限位柱的限位下,使轴承内圈跟随着辊轴颈旋转,避免了轴承内圈和辊轴颈旋转不同步,从而使轴承内圈和辊轴颈产生摩擦,损耗本装置的使用寿命,通过设置进油孔,将润滑油倒入进油孔,在环形储油腔和出油孔的作用下,通过旋转的轴承内圈使润滑油通过离心力从出油孔均匀的对钢球进行润滑,解决了现有的大多数轴承内圈与辊轴颈相对滑动,从而使轴承内圈与辊轴颈摩擦发热,对轴承的使用寿命造成影响,且现有的大多数轴向轴承在润滑时不能有效的对钢球进行均匀润滑,影响轴承的使用的问题。(The invention discloses a single-row inner ring thrust ball bearing, which relates to the technical field of bearings and comprises a bearing inner ring, wherein a roller journal is arranged inside the bearing inner ring. According to the invention, by arranging the guide groove and the limiting column, the bearing inner ring rotates along with the roller journal under the limiting of the guide groove and the limiting column, the phenomenon that the bearing inner ring and the roller journal rotate asynchronously is avoided, so that friction is generated between the bearing inner ring and the roller journal, the service life of the device is reduced, lubricating oil is poured into the oil inlet hole by arranging the oil inlet hole, and under the action of the annular oil storage cavity and the oil outlet hole, the lubricating oil uniformly lubricates the steel ball from the oil outlet hole through centrifugal force by the rotating bearing inner ring, so that the problems that the service life of the bearing is influenced by friction heating between the bearing inner ring and the roller journal due to the fact that most of the existing bearing inner rings slide relative to the roller journal are solved, and the service life of the bearing is influenced by the fact that most of the existing axial bearing cannot effectively and uniformly lubricate.)

1. The utility model provides a single rank inner ring thrust ball bearing, includes bearing inner race (1), its characterized in that: the roller bearing is characterized in that a roller journal (5) is arranged inside the bearing inner ring (1), a guide groove (8) in a circular array is formed in the inner wall of the bearing inner ring (1), a bearing outer ring (6) is arranged outside the bearing inner ring (1), limiting columns (2) which are arranged at equal intervals are fixedly connected to the outer surface of the bearing outer ring (6), two symmetrical support frames (14) are arranged between the bearing inner ring (1) and the bearing outer ring (6), grooves (15) in the circular array are formed in the surfaces, close to each other, of the two support frames (14), steel balls (11) which are arranged at equal intervals are arranged between the two support frames (14), the steel balls (11) are in contact with the grooves (15), through holes (16) in the circular array are formed in the surfaces, close to each other, of the two support frames (14), bolts (12) in the circular array are arranged between the bearing inner ring (1) and the, and bolt (12) run through-hole (16) that two correspond from top to bottom and through-hole (16) threaded connection that correspond from top to bottom with two, annular oil storage chamber (13) have been seted up to the inside of bearing inner circle (1), inlet port (7) have been seted up to the upper surface of bearing inner circle (1), and inlet port (7) are linked together with annular oil storage chamber (13), oil outlet (9) have been seted up to the inner wall of annular oil storage chamber (13).

2. A single row inner race thrust ball bearing according to claim 1, wherein: a second annular groove (17) is formed in the outer side face of the bearing inner ring (1), a first annular groove (10) is formed in the inner wall of the bearing outer ring (6), and the first annular groove (10) and the second annular groove (17) are matched with the steel ball (11).

3. A single row inner race thrust ball bearing according to claim 1, wherein: each guide groove (8) corresponds to the limiting column (2) one by one, and the guide grooves (8) are matched with the limiting columns (2).

4. A single row inner race thrust ball bearing according to claim 1, wherein: the outer side surface of the bearing inner ring (1) is fixedly connected with two symmetrical baffles (3), and each baffle (3) is annular.

5. A single row inner race thrust ball bearing according to claim 1, wherein: each outer side surface of the baffle (3) is fixedly connected with a sponge body (4), and the sponge body (4) is close to the inner wall of the bearing outer ring (6).

6. A single row inner race thrust ball bearing according to claim 2, wherein: the oil outlet holes (9) are arranged at equal intervals, and the oil outlet holes (9) are communicated with the second annular groove (17).

7. A single row inner race thrust ball bearing according to claim 1, wherein: each through hole (16) corresponds to the bolt (12) one by one, and the bolts (12) are matched with the through holes (16).

Technical Field

The invention relates to the technical field of bearings, in particular to a single-row inner ring thrust ball bearing.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

The single-row inner ring thrust ball bearing is disclosed in the publication with the publication number of CN2251645Y (application number of CN95211486.0), the most of the existing axial bearings used are connected with the roll journal, the bearing is sleeved into the roll journal through a tool, the rotation of the bearing inner ring and the roll journal is asynchronous when the roll journal runs, the relative sliding between the bearing inner ring and the roll journal is caused, thereby the friction between the bearing inner ring and the roll journal generates heat, the service life of the bearing is influenced, and the most of the existing axial bearings can not effectively lubricate the steel ball uniformly when lubricating, and the use of the bearing is influenced.

Disclosure of Invention

The invention aims to provide a single-row inner ring thrust ball bearing, which solves the problems that most of the existing bearing inner rings slide relative to roll shaft necks, so that the bearing inner rings and the roll shaft necks generate heat through friction, the service life of a bearing is influenced, and most of the existing axial bearings cannot effectively and uniformly lubricate steel balls during lubrication, so that the use of the bearing is influenced.

In order to solve the technical problems, the invention provides the following technical scheme: a single-row inner ring thrust ball bearing comprises a bearing inner ring, wherein a roller journal is arranged inside the bearing inner ring, a guide groove in a circular array is formed in the inner wall of the bearing inner ring, a bearing outer ring is arranged outside the bearing inner ring, limiting columns arranged at equal intervals are fixedly connected to the outer surface of the bearing outer ring, two symmetrical support frames are arranged between the bearing inner ring and the bearing outer ring, grooves in a circular array are formed in the surfaces, close to each other, of the two support frames, steel balls arranged at equal intervals are arranged between the two support frames and are in contact with the grooves, through holes in a circular array are formed in the surfaces, close to each other, of the two support frames, bolts in a circular array are arranged between the bearing inner ring and the bearing outer ring and penetrate through the two through holes corresponding to each other up and down and are in threaded connection with the two, annular oil storage chamber has been seted up to bearing inner race's inside, the inlet port has been seted up to bearing inner race's upper surface, and the inlet port is linked together with annular oil storage chamber, the oil outlet has been seted up to annular oil storage chamber's inner wall.

Furthermore, a second annular groove is formed in the outer side face of the bearing inner ring, a first annular groove is formed in the inner wall of the bearing outer ring, the first annular groove and the second annular groove are matched with the steel ball, and the steel ball can be further limited by the arrangement of the second annular groove and the first annular groove, so that the steel ball is more stable when sliding.

Further, every the guide way all with spacing post one-to-one, and guide way and spacing post looks adaptation, through guide way and spacing post looks adaptation, can make the guide way inseparabler with being connected of spacing post, make the guide way and the difficult relative slip that produces of spacing post.

Furthermore, the lateral surface fixedly connected with two symmetrical baffles of bearing inner race, every the baffle all is the annular, through setting up the baffle, can block that external dust and debris enter into between bearing inner race and the bearing outer race, avoids external dust and debris to cause the interference to the operation of this device.

Further, every the equal fixedly connected with cavernosum of lateral surface of baffle, and the cavernosum is close to mutually with the inner wall of bearing inner race, through setting up the cavernosum, can adsorb the greasy dirt, avoids this device greasy dirt to spatter four times when the function.

Furthermore, the oil outlets are arranged at equal intervals and communicated with the second annular groove, and the limiting columns can drive the bearing inner ring to rotate through the oil outlets arranged at equal intervals, so that lubricating oil can be uniformly used for lubricating the steel balls.

Furthermore, every the through-hole all with the bolt one-to-one, and bolt and through-hole looks adaptation, through bolt and through-hole looks adaptation, can make the connection of bolt and through-hole inseparabler.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, by arranging the guide groove and the limiting column, the bearing inner ring rotates along with the roller journal under the limiting of the guide groove and the limiting column, the phenomenon that the bearing inner ring and the roller journal rotate asynchronously is avoided, so that friction is generated between the bearing inner ring and the roller journal, the service life of the device is reduced, lubricating oil is poured into the oil inlet hole by arranging the oil inlet hole, and under the action of the annular oil storage cavity and the oil outlet hole, the lubricating oil uniformly lubricates the steel ball from the oil outlet hole through centrifugal force by the rotating bearing inner ring, so that the problems that the service life of the bearing is influenced by friction heating between the bearing inner ring and the roller journal due to the fact that most of the existing bearing inner rings slide relative to the roller journal are solved, and the service life of the bearing is influenced by the fact that most of the existing axial bearing cannot effectively and uniformly lubricate.

2. According to the invention, the steel ball can be further limited by arranging the second annular groove and the first annular groove, so that the steel ball is more stable when sliding, the guide groove and the limiting column can be more tightly connected through the adaptation of the guide groove and the limiting column, so that the guide groove and the limiting column are not easy to relatively slide, external dust and sundries can be prevented from entering between the bearing outer ring and the bearing inner ring through the arrangement of the baffle plate, the interference of the external dust and sundries on the operation of the device can be avoided, oil stains can be adsorbed through the arrangement of the sponge body, the oil stains can be prevented from splashing around when the device is operated, the limiting column can drive the bearing inner ring to rotate through the arrangement of the oil outlets arranged at equal intervals, the steel ball is uniformly lubricated by lubricating oil, and the connection of the bolt and the through hole can be more tight through the adaptation of the bolt and the through hole.

Drawings

FIG. 1 is a cross-sectional view in elevation of a perspective view of the present invention;

FIG. 2 is a schematic view of the connection between the inner race and the roll journal in a top view of the present invention;

FIG. 3 is a schematic view of the bearing inner race of the present invention viewed from above;

fig. 4 is a schematic perspective view of the support frame of the present invention.

In the figure: 1. a bearing inner race; 2. a limiting column; 3. a baffle plate; 4. a sponge body; 5. a roll journal; 6. a bearing outer race; 7. an oil inlet hole; 8. a guide groove; 9. an oil outlet hole; 10. a first annular groove; 11. a steel ball; 12. a bolt; 13. an annular oil storage chamber; 14. a support frame; 15. a groove; 16. a through hole; 17. a second annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a single-row inner ring thrust ball bearing comprises a bearing inner ring 1, a roller journal 5 is arranged inside the bearing inner ring 1, guide grooves 8 in a circular array are formed in the inner wall of the bearing inner ring 1, a bearing outer ring 6 is arranged outside the bearing inner ring 1, limiting posts 2 which are arranged at equal intervals are fixedly connected to the outer surface of the bearing outer ring 6, each guide groove 8 corresponds to each limiting post 2 one by one, the guide grooves 8 are matched with the limiting posts 2, through guide way 8 and spacing post 2 looks adaptation, can make guide way 8 inseparabler with spacing post 2 be connected, make guide way 8 and spacing post 2 be difficult for producing relative slip, be equipped with two symmetrical support frames 14 between bearing inner race 1 and the bearing outer lane 6, the recess 15 that is circular array is all seted up to the one side that two support frames 14 are close to each other, be equipped with the steel ball 11 that the equidistance was arranged between two support frames 14, and steel ball 11 contacts with recess 15.

The outer side surface of the bearing inner ring 1 is provided with a second annular groove 17, the inner wall of the bearing outer ring 6 is provided with a first annular groove 10, the first annular groove 10 and the second annular groove 17 are matched with the steel ball 11, the steel ball 11 can be further limited by arranging the second annular groove 17 and the first annular groove 10, so that the steel ball 11 is more stable when sliding, one surfaces of two support frames 14 which are close to each other are provided with through holes 16 in a circular array, bolts 12 in a circular array are arranged between the bearing inner ring 1 and the bearing outer ring 6, the bolts 12 penetrate through the through holes 16 corresponding up and down and are in threaded connection with the through holes 16 corresponding up and down, each through hole 16 is in one-to-one correspondence with the bolts 12, the bolts 12 are matched with the through holes 16, the bolts 12 are in matching with the through holes 16, so that the connection between the bolts 12 and the through holes 16 is tighter, an annular cavity 13 is arranged, the oil inlet 7 is opened to the upper surface of bearing inner race 1, and oil inlet 7 is linked together with annular oil storage chamber 13, and oil outlet 9 has been opened to the inner wall of annular oil storage chamber 13, and oil outlet 9 equidistance is arranged, and oil outlet 9 is linked together with second annular groove 17, through setting up the oil outlet 9 that the equidistance was arranged, when can making spacing post 2 drive bearing inner race 1 and rotate, the even lubricated steel ball 11 of lubricating oil.

Two symmetrical baffles 3 of bearing inner race 1's lateral surface fixedly connected with, every baffle 3 all is the annular, through setting up baffle 3, can block external dust and debris and enter into between bearing inner race 6 and the bearing inner race 1, avoid external dust and debris to cause the interference to the function of this device, the equal fixedly connected with cavernosum 4 of lateral surface of every baffle 3, and cavernosum 4 is close to mutually with the inner wall of bearing inner race 6, through setting up cavernosum 4, can the greasy dirt of absorption, avoid this device greasy dirt to spatter when the function.

According to the invention, the guide grooves 8 are aligned to the limiting columns 2 on the roll shaft neck 5 one by one, the device is sleeved on the outer surface of the roll shaft neck 5 by using a tool, the guide grooves 8 correspond to the limiting columns 2 one by one, so that the bearing inner ring 1 and the roll shaft neck 5 are relatively static under the action of the limiting columns 2 and the guide grooves 8, lubricating oil is poured into the annular oil storage cavity 13 through the oil inlet 7, and when the roll shaft neck 5 drives the bearing inner ring 1 to rotate through the limiting columns 2 and the guide grooves 8, the lubricating oil is scattered out through the oil outlet 9 under the action of centrifugal force, the steel balls 11 are uniformly lubricated, and the thrown-off lubricating oil is collected through the sponge body 4.