CN212003975U - Novel bearing - Google Patents

Abstract

The utility model provides a novel bearing belongs to bearing technical field. The bearing solves the problems that the existing bearing is not wear-resistant, has short service life and is difficult to disassemble the retainer. This novel bearing, including outer lane, inner circle, a plurality of ball and the holder of fixed a plurality of ball, the holder is split type and comprises first holder and the second holder that links firmly each other, and first holder and second holder pass through the rivet and rivet mutually, have all seted up the roll groove on the inside wall of outer lane and inner circle, all are provided with the wearing layer between the roll groove of outer lane and the ball and between the roll groove of inner circle and the ball. The utility model has the advantages of wear-resisting, high life, high stability and holder can be dismantled, conveniently clear up the inside impurity of bearing.

Description

Novel bearing

Technical Field

The utility model belongs to the technical field of the bearing, a bearing, in particular to novel bearing is related to.

Background

The bearing is widely used in almost all industries of national defense and civil use, such as machine manufacturing, aerospace, transportation, energy, electric power, mining, metallurgy, construction, chemical engineering, IT, household appliances and the like, and the bearing is common in an automobile transfer case. The traditional bearing is simple in structure, impurities are easy to enter under long-term use, and the impurities and balls in the bearing generate friction to cause ball abrasion, so that the stability of the whole bearing is reduced, and the service life is influenced; in addition, the retainer for mounting the balls in the traditional bearing is basically manufactured in an integrated manner, when impurities enter the interior of the bearing, the retainer needs to be detached to clean the impurities, and because the retainer in the traditional bearing is manufactured in an integrated manner, the impurities need to be pried open by means of sharp objects or screws during detachment, great labor is consumed during detachment, the retainer and even steel balls are easily damaged, and the use of the bearing is seriously influenced.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a novel bearing of wear-resisting, high life, high stability and holder for dismantling, conveniently clear up the inside impurity of bearing.

The purpose of the utility model can be realized by the following technical proposal: a novel bearing comprises an outer ring, an inner ring, a plurality of balls and a retainer for fixing the plurality of balls, and is characterized in that the retainer is split and consists of a first retainer and a second retainer which are fixedly connected with each other, the first retainer consists of a plurality of first fixing covers which are distributed at equal intervals in the circumferential direction and used for fixing the balls, two adjacent first fixing covers are connected with each other through a first connecting piece, the first connecting pieces are also distributed at equal intervals in the circumferential direction, the second retainer consists of a plurality of second fixing covers which are distributed at equal intervals in the circumferential direction and used for fixing the balls, the two adjacent second fixing covers are connected with each other through a second connecting piece, the second connecting pieces are also distributed at equal intervals in the circumferential direction, the first fixing covers and the second fixing covers are both in a semi-hollow circular shape, the first fixing covers in the semi-hollow circular shape and the second fixing covers in the semi-hollow circular shape are symmetrically arranged, the first retainer and the second retainer are riveted through rivets to enable the first fixing cover and the second fixing cover which are in a semi-hollow circular shape to be spliced into a plurality of mounting holes for mounting corresponding balls, rolling grooves for embedding the balls are formed in the inner side walls of the outer ring and the inner ring, and wear-resistant layers with wear-resistant functions are arranged between the rolling grooves of the outer ring and the balls and between the rolling grooves of the inner ring and the balls.

In the novel bearing, the balls, the first connecting pieces and the second connecting pieces are eight, the eight first connecting pieces are respectively a first connecting piece A, a first connecting piece B, a first connecting piece C, a first connecting piece D, a first connecting piece E, a first connecting piece F, a first connecting piece G and a first connecting piece H, the eight second connecting pieces are respectively a second connecting piece A, a second connecting piece B, a second connecting piece C, a second connecting piece D, a second connecting piece E, a second connecting piece F, a second connecting piece G and a second connecting piece H, the inner end surfaces of the first connecting piece A, the first connecting piece C, the first connecting piece E and the first connecting piece G are all provided with positioning bulges outwards in a protruding manner, and the inner end surfaces of the second connecting piece A, the second connecting piece C, the second connecting piece E and the second connecting piece G are all provided with positioning grooves for the corresponding positioning bulges to extend into the clamping connection, the first retainer and the second retainer are spliced through the positioning bulges and the positioning grooves in one-to-one correspondence, the first riveting holes are formed in the first connecting piece B, the first connecting piece D, the first connecting piece F and the first connecting piece H, the second riveting holes corresponding to the first riveting holes are formed in the second connecting piece B, the second connecting piece D, the second connecting piece F and the second connecting piece H, and the first riveting holes and the second riveting holes are fixedly connected through rivets so that the first retainer and the second retainer can be detached and fixed.

In the above novel bearing, the wear-resistant layer is a carbonitrided layer.

In the novel bearing, the thickness of the wear-resistant layer is 0.22mm to 0.53 mm.

Compared with the prior art, the novel bearing has the following advantages:

1. the inner part is optimally designed, the inner ring and the outer ring are both provided with the wear-resistant layers, and the wear-resistant layers are carbonitriding layers, so that the ball bearing has the advantages of improving the wear resistance and stability of the ball bearing and prolonging the service life of the ball bearing;

2. the retainers are detachably connected, the first retainer and the second retainer are preliminarily positioned through the positioning protrusions and the positioning grooves and are riveted through rivets, and the structure is simple and convenient to install; the retainer can be easily disassembled only by disassembling the rivet through a tool during disassembly, and the retainer disassembling tool has the advantages of simple design, convenience in assembly and disassembly and no damage to the retainer and steel balls during disassembly.

Drawings

Fig. 1 is a schematic structural view of the novel bearing.

Fig. 2 is a schematic perspective view of a first retainer in the bearing of the present invention.

Fig. 3 is a schematic perspective view of a second retainer in the bearing of the present invention.

In the figure, 1, outer ring; 2. an inner ring; 3. a ball bearing; 4. a first holder; 5. a second holder; 6. a first stationary cover; 7. a second stationary cover; 8. mounting holes; 9. a rolling groove; 10. a first connecting member A; 11. a first connecting member B; 12. a first connecting member C; 13. a first connecting member D; 14. a first connecting member E; 15. a first connecting member F; 16. a first connecting member G; 17. a first connecting member H; 18. positioning the projection; 19. positioning a groove; 20. a second connecting member A; 21. a second connecting member B; 22. a second connecting member C; 23. a second connecting member D; 24. a second connecting member E; 25. a second connecting member F; 26. a second connecting member G; 27. a second connecting member H; 28. riveting the first hole; 29. and riveting the hole II.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1, 2 and 3, the novel bearing comprises an outer ring 1, an inner ring 2, a plurality of balls 3 and a retainer for fixing the plurality of balls 3, wherein the retainer is split and consists of a first retainer 4 and a second retainer 5 which are fixedly connected with each other, the first retainer 4 consists of a plurality of first fixing covers 6 which are circumferentially and uniformly distributed at intervals and used for fixing the balls 3, two adjacent first fixing covers 6 are connected with each other through a first connecting piece which is also circumferentially and uniformly distributed at intervals, the second retainer 5 consists of a plurality of second fixing covers 7 which are circumferentially and uniformly distributed at intervals and used for fixing the balls 3, two adjacent second fixing covers 7 are connected with each other through a second connecting piece which is also circumferentially and uniformly distributed at intervals, the first fixing covers 6 and the second fixing covers 7 are both in a semi-hollow circular shape, the first fixing covers 6 in a semi-hollow circular shape and the second fixing covers 7 in a semi-hollow circular shape are symmetrically arranged, first holder 4 and second holder 5 rivet mutually through the rivet and make the mounting hole 8 that the corresponding ball 3 of a plurality of confession was installed to first fixed cover 6 and the second fixed cover 7 concatenation that is half hollow circle form, all offer the rolling groove 9 that is used for inlaying ball 3 on the inside wall of outer lane 1 and inner circle 2, all be provided with the wearing layer that plays wear-resisting effect between rolling groove 9 of outer lane 1 and the ball 3 and between rolling groove 9 of inner circle 2 and the ball 3.

In more detail, the ball 3, the first connecting piece and the second connecting piece are eight, the eight first connecting pieces are respectively a first connecting piece A10, a first connecting piece B11, a first connecting piece C12, a first connecting piece D13, a first connecting piece E14, a first connecting piece F15, a first connecting piece G16 and a first connecting piece H17, the eight second connecting pieces are respectively a second connecting piece A20, a second connecting piece B21, a second connecting piece C22, a second connecting piece D23, a second connecting piece E24, a second connecting piece F25, a second connecting piece G26 and a second connecting piece H27, positioning protrusions 18 are convexly arranged on the inner end surfaces of the first connecting piece A10, the first connecting piece C12, the first connecting piece E14 and the first connecting piece G16, positioning protrusions 19 corresponding to the positioning grooves 18 are arranged on the inner end surfaces of the second connecting piece A20, the second connecting piece C22, the second connecting piece E24 and the second connecting piece G26, the first retainer 4 and the second retainer 5 are spliced through the positioning bulges 18 and the positioning grooves 19 which are in one-to-one correspondence, the first connecting piece B11, the first connecting piece D13, the first connecting piece F15 and the first connecting piece H17 are all provided with a first riveting hole 28, the second connecting piece B21, the second connecting piece D23, the second connecting piece F25 and the second connecting piece H27 are all provided with a second riveting hole 29 corresponding to the first riveting hole 28, the riveting hole I28 and the riveting hole II 29 are fixedly connected through the rivet, so that the first retainer 4 and the second retainer 5 can be detachably fixed, the first retainer 4 and the second retainer 5 are directly positioned during assembly, then form through rivet riveting, when needing clean this bearing, at first pull down the bearing that needs clearance impurity in the car transfer case, the rethread instrument is dismantled the rivet, can conveniently clean the inside impurity of bearing, and the practicality is strong, guarantees the rate of durability of bearing.

In a further elaboration, the wearing layer is a carbonitriding layer, so that the wearing effect is better, the stability and the service life of the whole bearing are improved, and the thickness of the wearing layer is 0.22mm to 0.53 mm.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (4)

1. A novel bearing comprises an outer ring (1), an inner ring (2), a plurality of balls (3) and a retainer for fixing the plurality of balls (3), and is characterized in that the retainer is split and consists of a first retainer (4) and a second retainer (5) which are fixedly connected with each other, the first retainer (4) consists of a plurality of first fixing covers (6) which are circumferentially and uniformly distributed and used for fixing the balls (3), two adjacent first fixing covers (6) are connected through first connecting pieces, the first connecting pieces are circumferentially and uniformly distributed at intervals, the second retainer (5) consists of a plurality of second fixing covers (7) which are circumferentially and uniformly distributed and used for fixing the balls (3), the two adjacent second fixing covers (7) are connected through second connecting pieces, and the second connecting pieces are circumferentially and uniformly distributed at intervals, first fixed cover (6) and the fixed cover of second (7) all be the half hollow circle form, and be the first fixed cover (6) of half hollow circle form and be the fixed cover of second (7) symmetry setting of half hollow circle form, first holder (4) and second holder (5) rivet mutually and make first fixed cover (6) and the fixed cover of second (7) that are the half hollow circle form splice into mounting hole (8) that a plurality of supplied corresponding ball (3) installation through the rivet, all offer on the inside wall of outer lane (1) and inner circle (2) and be used for inlaying roll groove (9) of ball (3), all be provided with the wearing layer that plays the abrasive action between roll groove (9) of outer lane (1) and ball (3) and between roll groove (9) and the ball (3) of inner circle (2).

2. The novel bearing according to claim 1, wherein the number of the balls (3), the number of the first connecting members and the number of the second connecting members are eight, the eight first connecting members are respectively a first connecting member A (10), a first connecting member B (11), a first connecting member C (12), a first connecting member D (13), a first connecting member E (14), a first connecting member F (15), a first connecting member G (16) and a first connecting member H (17), the eight second connecting members are respectively a second connecting member A (20), a second connecting member B (21), a second connecting member C (22), a second connecting member D (23), a second connecting member E (24), a second connecting member F (25), a second connecting member G (26) and a second connecting member H (27), and the first connecting member A (10), the first connecting member C (12) and the second connecting member H (27) are provided, The inner end faces of the first connecting piece E (14) and the first connecting piece G (16) are respectively provided with a positioning bulge (18) which protrudes outwards, the inner end faces of the second connecting piece A (20), the second connecting piece C (22), the second connecting piece E (24) and the second connecting piece G (26) are respectively provided with a positioning groove (19) for the corresponding positioning bulge (18) to extend into and be clamped, the first holder (4) and the second holder (5) are spliced through the positioning bulges (18) and the positioning grooves (19) which are in one-to-one correspondence, the first connecting piece B (11), the first connecting piece D (13), the first connecting piece F (15) and the first connecting piece H (17) are respectively provided with a riveting hole I (28), the second connecting piece B (21), the second connecting piece D (23), the second connecting piece F (25) and the second connecting piece H (27) are respectively provided with a riveting hole II (29) corresponding to the riveting hole I (28), and fixedly connecting the riveting hole I (28) with the riveting hole II (29) through a rivet, so that the first retainer (4) and the second retainer (5) can be detachably fixed.

3. A novel bearing according to claim 1 wherein said wear resistant layer is a carbonitrided layer.

4. A novel bearing according to claim 1 wherein the wear resistant layer has a thickness dimension of between 0.22mm and 0.53 mm.

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