CN221054153U

CN221054153U - Ball bearing

Info

Publication number: CN221054153U
Application number: CN202322898356.9U
Authority: CN
Inventors: 盛亚东
Original assignee: Xinchang County Kailunda Bearing Co ltd
Current assignee: Xinchang County Kailunda Bearing Co ltd
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-05-31
Anticipated expiration: 2033-10-26

Abstract

The utility model discloses a ball bearing, which relates to the technical field of bearings and aims at solving the problem of inconvenient disassembly of balls, and the technical scheme is as follows: including outer lasso and inner lasso, be provided with the holder between outer lasso and the inner lasso, outer lasso, inner lasso and holder all adopt GCr15 steel to make, the inside a plurality of rolling beads that are provided with of holder, the rolling channel that is used for the rolling bead has been seted up to circumference on the lateral wall of outer lasso and inner lasso, the inner lasso includes first cover body and second cover body, first cover body and second cover body are detachably connected together, the holder includes first ring body and second ring body, the recess that is used for the rolling bead embedding has all been seted up on the relative one side of first ring body and second ring body, be provided with a plurality of connecting pieces between first ring body and the second ring body. The ball bearing has longer service life, so that the disassembly and assembly operations of the rolling balls are more convenient and simple, and the operation of replacing and maintaining the rolling balls is more convenient, time-saving and labor-saving.

Description

Ball bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a ball bearing.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision. The ball bearing is one of bearings, also called as ball bearing, adopts balls as rolling bodies, cannot bear larger load, and is mostly applied to light-load industrial occasions.

At present, the existing ball bearing generally comprises an outer ring and an inner ring, a retainer is arranged between the outer ring and the inner ring, a plurality of balls are rotationally connected on the retainer, channels for the balls to roll are formed in the outer ring and the inner ring, when the balls roll in the channels, the individual balls and the channels are subjected to severe friction, the balls are easy to wear and deform under long-term use, replacement and maintenance are needed, the balls are inconvenient to detach, the operation of replacing and maintaining the balls is troublesome, and time and labor are wasted.

Disclosure of utility model

The utility model aims to solve the problems, and provides the ball bearing which is convenient and simple to disassemble and assemble the rolling balls, so that the operation of replacing and maintaining the rolling balls is convenient, time-saving and labor-saving.

The ball bearing comprises an outer ring and an inner ring, wherein a retainer is arranged between the outer ring and the inner ring, a plurality of rolling balls are arranged in the retainer, channels for rolling the rolling balls are circumferentially formed in the side walls of the outer ring and the inner ring, the inner ring comprises a first sleeve body and a second sleeve body which are detachably connected together, the retainer comprises a first ring body and a second ring body, grooves for embedding the rolling balls are formed in the opposite surfaces of the first ring body and the second ring body, a plurality of connecting pieces are arranged between the first ring body and the second ring body, the connecting pieces are connected with the first ring body, and the connecting pieces can partially extend out of the second ring body or retract and lock inside the second ring body.

As a further arrangement of the utility model, the connecting piece comprises a rotating shaft which is rotationally connected to the first ring body, a plurality of movable grooves are formed in the top surface of the second ring body, sliding rods which are in sliding connection with the inside of the movable grooves are arranged at the bottom of the rotating shaft, sliding grooves are vertically formed in the inner peripheral walls of the movable grooves, annular grooves which are communicated with the sliding grooves are formed in the circumferential directions of the inner peripheral walls of the movable grooves, and locking blocks which are used for sliding in the sliding grooves and can be clamped into the annular grooves are arranged on the sliding rods.

As a further arrangement of the utility model, the top of the rotating shaft is provided with a rotating cover, and the rotating cover is provided with a cross groove.

As a further arrangement of the utility model, a plurality of caulking grooves for embedding the rotary cover are formed in the top of the first ring body.

As a further arrangement of the utility model, a plurality of anti-skid grooves are formed in the top of the first ring body.

As a further arrangement of the utility model, the bottom of the first sleeve body is provided with a thread sleeve, and the top of the second sleeve body is provided with a thread groove matched with the thread sleeve.

As a further arrangement of the utility model, a plurality of arc concave holes are formed on the top surface of the first sleeve body.

As a further arrangement of the utility model, the outer ferrule, the inner ferrule and the retainer are all made of GCr15 steel.

Compared with the prior art, the utility model has the beneficial effects that:

The rolling ball assembling device has longer service life, when the rolling ball is required to be disassembled, the first sleeve body and the second sleeve body can be separated and disassembled firstly, then the locking of the connecting piece in the second sleeve body is released, the first sleeve body can be lifted upwards, the connecting piece part is driven to extend out of the second sleeve body, so that the retainer is opened, the rolling ball is conveniently taken down from the retainer, the rolling ball is disassembled, when the rolling ball is required to be replaced, the new rolling ball is only required to be placed between the first sleeve body and the second sleeve body, then the first sleeve body is pushed to be attached to the second sleeve body again, the connecting piece is locked in the second sleeve body, the retainer is recombined, and finally the first sleeve body and the second sleeve body are connected again, so that the rolling ball bearing can be assembled.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a semi-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2A;

FIG. 4 is a schematic view of the structure of the cage and rolling beads of the present utility model;

FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 4;

fig. 6 is a schematic structural view of an inner ring according to the present utility model.

Reference numerals: 1. an outer collar; 2. an inner collar; 3. a retainer; 4. rolling the beads; 5. a channel; 6. a first sleeve; 7. a second sleeve; 8. a first ring body; 9. a second ring body; 10. a groove; 11. a rotating shaft; 12. a movable groove; 13. a slide bar; 14. a chute; 15. an annular groove; 16. a locking block; 17. a rotary cover; 18. a cross groove; 19. a caulking groove; 20. an anti-skid groove; 21. a thread sleeve; 22. a thread groove; 23. arc shrinkage pool.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a ball bearing comprises an outer ring 1 and an inner ring 2, wherein a retainer 3 is arranged between the outer ring 1 and the inner ring 2, the outer ring 1, the inner ring 2 and the retainer 3 are made of GCr15 steel, the GCr15 steel has high hardness, high wear resistance and high heat resistance, so that the structural strength of the outer ring 1, the inner ring 2 and the retainer 3 is effectively ensured, the ball bearing has longer service life, a plurality of rolling balls 4 are arranged in the retainer 3, channels 5 for rolling the rolling balls 4 are circumferentially arranged on the side walls of the outer ring 1 and the inner ring 2, the inner ring 2 comprises a first sleeve body 6 and a second sleeve body 7, the first sleeve body 6 and the second sleeve body 7 are detachably connected, the retainer 3 comprises a first ring body 8 and a second ring body 9, grooves 10 for embedding the rolling balls 4 are arranged on the opposite sides of the first ring body 8 and the second ring body 9, a plurality of connecting pieces are arranged between the first ring body 8 and the second ring body 9, the connecting pieces are connected with the first ring body 8, the connecting pieces can partially extend out of the second ring body 9 or retract and lock inside the second ring body 9, when the rolling beads 4 need to be disassembled, the first sleeve body 6 and the second sleeve body 7 can be separated and disassembled, then the locking of the connecting pieces inside the second ring body 9 is released, the first ring body 8 can be lifted upwards, the connecting pieces are driven to partially extend out of the second ring body 9, on the basis of keeping the first ring body 8 and the second ring body 9 connected with each other, the first ring body 8 and the second ring body 9 are mutually separated, so that the retainer 3 is opened, the rolling beads 4 can be conveniently removed from the inside of the retainer 3, the disassembly of the rolling beads 4 is realized, and when the rolling beads 4 need to be replaced, the rolling ball 4 is only required to be placed between the first ring body 8 and the second ring body 9, then the first ring body 8 is pushed to be attached to the second ring body 9 again, the rolling ball 4 is enabled to be embedded into the groove 10, the connecting piece is enabled to retract into the second ring body 9, then the connection between the first ring body 8 and the second ring body 9 can be achieved through locking the connecting piece in the second ring body 9, the recombination of the retainer 3 is achieved, finally the first sleeve body 6 and the second sleeve body 7 are reconnected together, the assembly of the ball bearing can be achieved, and through the operation, the disassembly and assembly operation of the rolling ball 4 is convenient and simple, and therefore the operation of replacing and maintaining the rolling ball 4 is convenient, time and labor are saved.

Referring to fig. 2-5, the connecting piece comprises a rotating shaft 11 rotatably connected to the first ring body 8, a plurality of movable grooves 12 are formed on the top surface of the second ring body 9, a sliding rod 13 slidably connected to the inside of the movable grooves 12 is arranged at the bottom of the rotating shaft 11, a sliding groove 14 is vertically formed on the inner peripheral wall of the movable grooves 12, an annular groove 15 communicated with the sliding groove 14 is circumferentially formed on the inner peripheral wall of the movable grooves 12, a locking block 16 which is used for sliding in the sliding groove 14 and can be clamped into the annular groove 15 is arranged on the sliding rod 13, when the retainer 3 needs to be opened, the rotating shaft 11 can be rotated firstly, the locking block 16 is driven to rotate along with the sliding rod 13 until the locking block 16 is rotated to the position where the sliding groove 14 is communicated with the annular groove 15, so that the locking of the sliding rod 13 is released, the first ring body 8 can be lifted upwards, the locking block 16 is driven to slide along the sliding groove 14, and part of the sliding rod 13 is driven to extend out of the movable grooves 12, realizing the operation of opening the retainer 3, when the retainer 3 is combined, the first ring body 8 and the second ring body 9 can be attached together, so that the sliding rod 13 is retracted into the movable groove 12 along with the first ring body, until the locking block 16 slides to the position where the sliding groove 14 is communicated with the annular groove 15, then the rotating shaft 11 is rotated, the locking block 16 is driven to rotate along with the sliding rod 13 until the locking block 16 rotates into the annular groove 15, thus realizing the locking of the sliding rod 13, realizing the recombination of the retainer 3, the operation is more convenient and simpler, the rotating cover 17 is arranged at the top of the rotating shaft 11, the cross groove 18 is arranged on the rotating cover 17, then when the rotating shaft 11 needs to be rotated, a cross screwdriver can be inserted into the cross groove 18 to apply force, so that the operation of the rotating shaft 11 becomes easier and more labor-saving, and a plurality of embedded grooves 19 for embedding the rotating cover 17 are arranged at the top of the first ring body 8, then the hidden limit of the rotating cover 17 by the caulking groove 19 can prevent the sliding rod 13 from unlocking in the movable groove 12 caused by the mistaken touching of the rotating cover 17, thereby ensuring the connection firmness of the first ring body 8 and the second ring body 9, wherein a plurality of anti-skid grooves 20 are formed at the top of the first ring body 8, thereby greatly increasing the friction coefficient on the top surface of the first ring body 8, and the sliding is not easy to slip during the operation when the first ring body 8 is lifted or pushed, and the operation is easier.

Referring to fig. 6, a threaded sleeve 21 is disposed at the bottom of the first sleeve body 6, and a threaded groove 22 matching with the threaded sleeve 21 is formed at the top of the second sleeve body 7, so that when the first sleeve body 6 and the second sleeve body 7 are connected together, the threaded sleeve 21 can be screwed into the threaded groove 22, firm connection between the first sleeve body 6 and the second sleeve body 7 can be achieved through threaded connection between the threaded sleeve 21 and the threaded groove 22, and when the first sleeve body 6 and the second sleeve body 7 are required to be disassembled, the threaded sleeve 21 is only required to be screwed out from the threaded groove 22, the operation is relatively convenient and simple, and a plurality of arc concave holes 23 are formed in the top surface of the first sleeve body 6, so that the friction coefficient on the top surface of the first sleeve body 6 is greatly increased, the first sleeve body 6 is not easy to slip when rotated, and the operation is relatively easy and labor-saving.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a ball bearing, includes outer lasso (1) and inner lasso (2), be provided with cage (3) between outer lasso (1) and inner lasso (2), inside a plurality of rolling beads (4) that are provided with of cage (3), circumference has offered on the lateral wall of outer lasso (1) and inner lasso (2) and has been used for rolling bead (4) rolling channel (5), its characterized in that: the inner ring (2) comprises a first sleeve body (6) and a second sleeve body (7), the first sleeve body (6) and the second sleeve body (7) are detachably connected together, the retainer (3) comprises a first ring body (8) and a second ring body (9), grooves (10) for embedding rolling beads (4) are formed in opposite faces of the first ring body (8) and the second ring body (9), a plurality of connecting pieces are arranged between the first ring body (8) and the second ring body (9), the connecting pieces are connected with the first ring body (8), and the connecting pieces can partially extend out of the second ring body (9) or retract and lock inside the second ring body (9).

2. A ball bearing according to claim 1, wherein: the connecting piece is including rotating pivot (11) of connecting on first ring body (8), a plurality of movable grooves (12) have been seted up on second ring body (9) top surface, pivot (11) bottom is provided with sliding connection at inside slide bar (13) of movable groove (12), spout (14) have vertically been seted up on the interior perisporium of movable groove (12), ring channel (15) with spout (14) intercommunication have been seted up to the circumference on the interior perisporium of movable groove (12), be provided with on slide bar (13) and be used for sliding and can block locking piece (16) inside ring channel (15) in spout (14).

3. A ball bearing according to claim 2, wherein: the top of the rotating shaft (11) is provided with a rotating cover (17), and the rotating cover (17) is provided with a cross groove (18).

4. A ball bearing according to claim 3, wherein: a plurality of caulking grooves (19) for embedding the rotary cover (17) are formed in the top of the first ring body (8).

5. A ball bearing according to claim 1, wherein: a plurality of anti-skid grooves (20) are formed in the top of the first ring body (8).

6. A ball bearing according to claim 1, wherein: the bottom of the first sleeve body (6) is provided with a thread sleeve (21), and the top of the second sleeve body (7) is provided with a thread groove (22) matched with the thread sleeve (21).

7. A ball bearing as defined in claim 6 wherein: a plurality of arc concave holes (23) are formed in the top surface of the first sleeve body (6).

8. A ball bearing according to claim 1, wherein: the outer ferrule (1), the inner ferrule (2) and the retainer (3) are all made of GCr15 steel.