CN214304845U

CN214304845U - Angular contact ball bearing

Info

Publication number: CN214304845U
Application number: CN202023206065.1U
Authority: CN
Inventors: 吴宏亮; 吴志国; 吴正明; 崔浩丽; 汤满定
Original assignee: Yangzhou Likai Machinery Manufacturing Co ltd
Current assignee: Yangzhou Likai Machinery Manufacturing Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-28
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to an angular contact ball bearing, including two inner circles, an outer lane, two holders and a plurality of ball, the inside of holder is provided with a plurality of oil leak holes, a plurality of oil seepage groove and oil duct, one side of holder is provided with the oil filler point, the inside of outer lane is provided with first cooling ring, the inside of inner circle is provided with the second cooling ring, the inboard of inner circle is provided with the collar, the inboard of inner ring is provided with spacing, the outside of collar is provided with spacing groove, through the oil filler point to the oil duct in the oiling, the lubricating oil oozes out after flowing to the oil seepage groove, as long as rotate several times inner ring can be scribbled each ball surface with lubricating oil, have water in first cooling ring and the second cooling ring, can absorb the heat, cool down for inner circle, outer lane and ball because spacing is in spacing groove, so when rotating the collar, the two inner rings will rotate in synchronism.

Description

Angular contact ball bearing

Technical Field

The utility model relates to a ball bearing technical field specifically is an angular contact ball bearing.

Background

The angular contact ball bearing is one of ball bearings, the angular contact ball bearing mainly bears larger unidirectional axial load, the larger the contact angle is, the larger the load bearing capacity is, in order to make the angular contact ball bearing capable of bearing bidirectional axial coincidence, two inner rings, two retainers and double-layer balls are provided, because the two inner rings of the angular contact ball bearing are not connected, the two inner rings can not synchronously rotate when rotating, the angular contact ball bearing is easy to be seriously abraded, after the lubricating oil of the existing angular contact ball bearing is completely consumed, the friction force between the inner ball and the inner ring or the outer ring is increased, the bearing is abraded, however, the existing bearing is complex in lubricating oil adding method, some methods need special appliances, lubricating oil adding efficiency is low, heat is required to be dissipated due to friction heating during bearing use, and the existing bearing is not provided with a temperature reduction structure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides an angular contact ball bearing.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an angular contact ball bearing comprises two inner rings, an outer ring, two retainers and a plurality of balls, wherein the retainers are provided with a plurality of ball pockets, rolling balls are arranged in the ball pockets, the retainers are arranged between the inner rings and the outer ring, a plurality of oil leakage holes, a plurality of oil seepage grooves and oil passages are arranged in the retainers, the oil seepage grooves and the ball pockets are correspondingly arranged, the oil seepage grooves are communicated and arranged through the oil leakage holes and the oil passages, one side of each retainer is provided with an oil filling hole, the oil filling holes and the oil passages are communicated and arranged, a first cooling ring is arranged in the outer ring, a second cooling ring is arranged in the inner ring, one sides of the outer ring and the inner ring are provided with water filling holes, the water filling holes and the first cooling ring or the second cooling ring are communicated and arranged, a sealing block is arranged on the water filling holes, and the inner sides of the inner rings are provided with installation rings, the inboard spacing strip that is provided with of inner ring, the outside of installing collar is provided with the spacing groove, spacing strip sets up in the spacing groove, the both sides of installing collar all are provided with coupling assembling.

Preferably, coupling assembling includes fixed block and flexure strip, one side of inner circle is provided with the connecting hole, the both sides of installing the circle all are provided with the spread groove, the one end setting of fixed block is in the spread groove, and the other end setting is in the connecting hole, the both sides of fixed block are provided with the draw-in groove, the one end of flexure strip and the interior wall connection of spread groove, the other end setting is in the draw-in groove.

In a further preferred embodiment, the connecting groove is provided in a "convex" shape.

In a further preferred mode, the oil holes and the oil passages are provided in a plurality, and the distances between the adjacent oil holes are the same.

In a further preferred embodiment, a sealing plug is arranged on the oil filling opening.

In a further preferred manner, a sponge is arranged in the oil-permeable groove.

In a further preferred embodiment, an elastic pad is arranged in the connecting hole.

(III) advantageous effects

Compared with the prior art, the utility model provides an angular contact ball bearing possesses following beneficial effect:

the utility model discloses in to the oil duct through the oil filler hole, oiling in oil leakage hole and the oil impregnate groove, there are a plurality of holes on the inner wall of oil impregnate groove, lubricating oil oozes in the hole of oil impregnate groove inner wall, when being full of lubricating oil in the oil impregnate groove, only need to rotate the inner circle several rings, the ball rotates, just can paint lubricating oil on the surface of ball, speed can be very fast, through water injection hole water injection in to first cooling ring and second cooling ring, the specific heat capacity of water is bigger, can absorb the heat that outer lane or inner circle and ball friction produced, make the inner circle, outer lane and ball cooling, water in first cooling ring and the second cooling ring can used repeatedly after cooling down naturally, spacing is inserted after spacing, as long as the collar rotates, two inner rings will rotate in step.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the inner ring and the mounting ring of the present invention;

FIG. 3 is an enlarged view of a portion of A in FIG. 1;

FIG. 4 is an enlarged view of a portion of B in FIG. 1;

fig. 5 is an enlarged view of a portion of C in fig. 2.

In the figure: 1. an inner ring; 2. an outer ring; 3. a holder; 4. a ball bearing; 5. a ball pocket; 6. an oil leak hole; 7. an oil seepage groove; 8. an oil passage; 9. an oil filler hole; 10. a first cooling ring; 11. a second cooling ring; 12. a water injection hole; 13. sealing; 14. installing a ring; 15. a limiting strip; 16. a limiting groove; 17. a fixed block; 18. an elastic sheet; 19. connecting holes; 20. connecting grooves; 21. a card slot; 22. a sealing plug; 23. a sponge; 24. an elastic pad.

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.

Example (b):

referring to fig. 1-5, an angular contact ball bearing includes two inner rings 1, an outer ring 2, two retainers 3 and a plurality of balls 4, the retainers 3 are disposed on the plurality of ball pockets 5, the rolling balls are disposed in the ball pockets 5, the retainers 3 are disposed between the inner rings 1 and the outer rings 2, a plurality of oil leakage holes 6, a plurality of oil leakage grooves 7 and oil passages 8 are disposed inside the retainers 3, the oil leakage grooves 7 and the ball pockets 5 are disposed correspondingly, the oil leakage grooves 7 are communicated with the oil passages 8 through the oil leakage holes 6, an oil injection hole 9 is disposed at one side of the retainers 3, the oil injection hole 9 is communicated with the oil passages 8, a first cooling ring 10 is disposed inside the outer ring 2, a second cooling ring 11 is disposed inside the inner ring 1, water injection holes 12 are disposed at one sides of the outer rings 2 and the inner rings 1, and the water injection holes 12 are communicated with the first cooling ring 10 or the second cooling ring 11, be provided with sealed block 13 on the water injection hole 12, the inboard of inner circle 1 is provided with erection ring 14, the inboard spacing strip 15 that is provided with of inner ring, the outside of erection ring 14 is provided with spacing groove 16, spacing strip 15 sets up in spacing groove 16, the both sides of erection ring 14 all are provided with coupling assembling.

In this embodiment, coupling assembling includes fixed block 17 and flexure strip 18, one side of inner circle 1 is provided with connecting hole 19, the both sides of installing ring 14 all are provided with connecting groove 20, the one end setting of fixed block 17 is in connecting groove 20, and the other end setting is in connecting hole 19, the both sides of fixed block 17 are provided with draw-in groove 21, the one end of flexure strip 18 and the interior wall connection of connecting groove 20, the other end setting is in draw-in groove 21. The connecting assembly can fix the mounting ring 14, so that the mounting ring can not be separated from the inner ring 1 suddenly, the elastic sheet 18 can deform, after the fixing block 17 is inserted into the connecting groove 20, the elastic sheet 18 deforms, after the fixing block 17 is inserted into the connecting hole 19, the clamping groove 21 moves to the position of the elastic sheet 18, the elastic sheet 18 can recover the shape and is clamped into the clamping groove 21 to fix the fixing block 17, after the fixing block 17 is fixed, the mounting ring 14 is fixed, the elastic sheet 18 is moved out of the clamping groove 21, and then the fixing block 17 can be taken out.

In this embodiment, the connecting groove 20 is formed in a shape of a letter "convex". The connection groove 20 of the shape like the Chinese character 'tu' can provide a space for installing the elastic sheet 18, and can limit the position of the fixing block 17, so that the fixing block 17 does not shake.

In the present embodiment, a plurality of oil holes 9 and oil passages 8 are provided, and the distances between adjacent oil holes 9 are the same. The plurality of oil holes 9 and the oil passages 8 can avoid the phenomenon that a large amount of lubricating oil seeps out of the oil seepage groove 7 and the lubricating oil does not exist in the oil seepage groove 7.

In the present embodiment, a sealing plug 22 is provided on the oil filler hole 9. The sealing plug 22 prevents the lubricating oil injected into the oil filler hole 9 from escaping.

In the present embodiment, the oil-seepage groove 7 is provided with a sponge 23. The sponge 23 can absorb redundant lubricating oil in the oil seepage groove 7, and waste caused by excessive lubricating oil on the surface of the ball 4 is avoided.

In this embodiment, an elastic pad 24 is disposed in the connection hole 19. The elastic pad 24 has elasticity and can abut against the fixing block 17, so that the elastic piece 18 can abut against the inner wall of the clamping groove 21, and the fixing block 17 cannot easily shake.

The working principle is as follows:

in summary, when in use, the sealing plug 13 is pulled out first, water is injected into the first cooling ring 10 and the second cooling ring 11 through the water injection hole 12, the water injection is preferably performed by using a device similar to an injector, the water injection and the water extraction are convenient, the sealing plug 13 is plugged into the water injection hole 12 after the water injection is completed, the water absorbs heat generated by friction of the outer ring 2, the inner ring 1 and the balls 4, the temperature reduction effect is good because the specific heat capacity of the water is large, when the outer ring 2, the inner ring 1 and the balls 4 do not rotate, the temperature of the water is reduced and is recovered to the room temperature, when lubricating oil needs to be added, the sealing plug 22 is taken down, the lubricating oil is injected into the oil duct 8 through the oil injection hole 9, the lubricating oil flows into the oil leakage groove 7 along the oil duct 8 and the oil leakage hole 6, a small hole is formed in the inner wall of the oil leakage groove 7 to facilitate the lubricating oil penetration, and the sealing plug 22 is plugged into the oil injection hole 9 after the lubricating oil is injected into each oil hole 9, then the mounting ring 14 is rotated to rotate the inner ring 1, and further the ball 4 is rotated, so that the surface of the ball 4 is coated with lubricating oil, the sponge 23 absorbs redundant lubricating oil, waste is avoided, when the mounting ring 14 is mounted, the limiting strip 15 is inserted into the limiting groove 16, when the connecting groove 20 is aligned with the connecting hole 19, the fixing block 17 is inserted into the connecting groove 20 and then inserted into the connecting hole 19, the fixing block 17 is inserted into the connecting groove 20, the elastic sheet 18 is deformed, after the fixing block 17 is inserted into the connecting hole 19, the elastic sheet 18 is recovered and is clamped into the clamping groove 21, the fixing block 17 is fixed, the elastic pad 24 inside the connecting hole 19 is elastic and abuts against the fixing block 17, the fixing block 17 cannot shake, when the ring 14 is mounted and dismounted, the elastic sheet 18 is removed from the clamping groove 21, and the fixing block 17 can be pulled out.

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. The utility model provides an angular contact ball bearing, includes two inner circles (1), an outer lane (2), two cages (3) and a plurality of ball (4), set up in a plurality of ball pocket (5) on cage (3), the ball sets up in ball pocket (5), cage (3) set up between inner circle (1) and outer lane (2), its characterized in that: the oil-leakage-prevention ball bearing is characterized in that a plurality of oil leakage holes (6), a plurality of oil leakage grooves (7) and an oil duct (8) are formed in the retainer (3), the oil leakage grooves (7) and the ball pocket (5) are correspondingly arranged, the oil leakage grooves (7) are communicated through the oil leakage holes (6) and the oil duct (8), an oil filling hole (9) is formed in one side of the retainer (3), the oil filling hole (9) and the oil duct (8) are communicated, a first cooling ring (10) is arranged in the outer ring (2), a second cooling ring (11) is arranged in the inner ring (1), water filling holes (12) are formed in one sides of the outer ring (2) and the inner ring (1), the water filling holes (12) are communicated with the first cooling ring (10) or the second cooling ring (11), a sealing block (13) is arranged on the water filling holes (12), and a mounting ring (14) is arranged on the inner side of the inner ring (1), the inner ring is inboard to be provided with spacing (15), the outside of installing ring (14) is provided with spacing groove (16), spacing (15) set up in spacing groove (16), the both sides of installing ring (14) all are provided with coupling assembling.

2. An angular contact ball bearing according to claim 1, wherein: coupling assembling includes fixed block (17) and flexure strip (18), one side of inner circle (1) is provided with connecting hole (19), the both sides of installing ring (14) all are provided with spread groove (20), the one end setting of fixed block (17) is in spread groove (20), and the other end setting is in connecting hole (19), the both sides of fixed block (17) are provided with draw-in groove (21), the one end of flexure strip (18) and the interior wall connection of spread groove (20), the other end setting is in draw-in groove (21).

3. An angular contact ball bearing according to claim 2, wherein: the connecting groove (20) is arranged in a convex shape.

4. An angular contact ball bearing according to claim 1, wherein: the oil filler point (9) and the oil duct (8) are provided with a plurality of oil filler points, and the distance between the adjacent oil filler points (9) is the same.

5. An angular contact ball bearing according to claim 1, wherein: and a sealing plug (22) is arranged on the oil filling hole (9).

6. An angular contact ball bearing according to claim 1, wherein: and a sponge (23) is arranged in the oil seepage groove (7).

7. An angular contact ball bearing according to claim 2, wherein: an elastic pad (24) is arranged in the connecting hole (19).