CN201137632Y

CN201137632Y - Radial roller bearing

Info

Publication number: CN201137632Y
Application number: CNU2008200101290U
Authority: CN
Inventors: 李国民
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-08
Filing date: 2008-01-08
Publication date: 2008-10-22
Anticipated expiration: 2018-01-08

Abstract

The utility model relates to a centripetal rolling bearing, which comprises an inner ring, an outer ring, a plurality of rolling balls, a retainer, a retaining ring and an elastic retaining ring, wherein the rolling balls are respectively cylindrical rollers, both ends of the cylindrical rollers are respectively provided with conical stages, and rolling ball shaft levers are fixedly arranged on a shaft seat. An inner ring retaining angle is arranged on the outer wall on one end of the inner ring, and the outer wall on the other end of the inner ring is provided with a ring-shaped groove. And a retaining ring is sleeved, the elastic retaining ring is clipped in the ring-shaped groove, and the inner wall on the other end of the outer ring is provided with an outer ring retaining angle which is matched with the conical stage on the end portions of the rolling balls. The other end of the outer ring is provided with a cone port which is outwards inclined, and rolling ball shaft lever sockets are respectively arranged on the convex stages of two ring-shaped retaining plates. The rolling rings are respectively mounted between the two ring-shaped retaining plates, the outer ring is sleeved on the outer end faces of the rolling balls, and the inner ring is mounted on the inner sides of the rolling balls. The utility model has the advantages of big loading quantity, energy saving, labor saving, excellent stability, convenient assembling and disassembling, long service span and the like, which is less influenced by low-temperature environment and the shortage of lubricating oil, and a retainer is not easily abraded and deformed.

Description

Radial antifriction bearing

(1) technical field:

The utility model relates to a kind of bearing, particularly a kind of improvement to the rolling bearing structure that has retainer.

(2) background technique:

The present rolling bearing of usefulness, ball majority be spheroidal and cylindrical and by the retainer location, and its deficiency is when bearing rotates, and retainer contacts generation with ball resistance is big, consumes energy greatly, and is easy to wear, working life weak point.

(3) summary of the invention:

The technical problems to be solved in the utility model provides a kind of rolling friction that makes full use of, and reduces sliding friction, adopt the location, the center of circle of ball, the resistance of sliding friction is reduced to minimum, it is little to consume energy, retainer is difficult for abrasion deformation, the radial antifriction bearing that can increase the service life.

Radial antifriction bearing, comprise inner ring, outer ring, a plurality of ball, retainer, back-up ring and circlip, a plurality of balls are respectively cylindrical roller, and its two ends have the taper platform respectively, convex with axle respectively at the place, both ends of the surface axle center of ball and sit, take at axle and be set with the ball axostylus axostyle respectively.With a plurality of ball end tapered platforms matching part inner ring retaining angle is arranged on the outer wall of inner ring one end, on the other end outer wall of inner ring, annular groove is arranged.And be set with back-up ring, circlip is fastened in the annular groove, back-up ring upper end have with the taper platform be complementary domatic, the back-up ring rear end is replaced on circlip.The retaining angle, outer ring that is complementary with ball end tapered platform is arranged on the inwall of outer ring one end.The outer ring the other end has outward-dipping awl mouth, is convenient to the bearing loading and unloading.Retainer is made of two annular catch and a plurality of supporting element, two annular catch be arranged in parallel, and a plurality of supporting elements are fixedly installed between two annular catch by desired location respectively, on the exterior edge face of two annular catch correspondences, and correspondence convexes with boss respectively between per two supporting elements, is respectively equipped with ball axostylus axostyle socket on boss.A plurality of balls are installed in respectively between two annular catch, and the ball axostylus axostyle at two ends is plugged in respectively in the ball axostylus axostyle socket, the outer ring is set on the exterior edge face of a plurality of balls, inner ring is installed in the inboard of a plurality of balls, and the inner ring retaining angle that the taper platform of a plurality of ball one end is complementary with it respectively closely cooperates.

The utility model will be noted installation direction in use, and the face of awl mouthful and the face that has circlip be in the same side, and two bearings when installing and using on axle want symmetry to install, and so in use back-up ring and circlip are basic has not just born external force.

The utility model has the advantages that: a plurality of balls adopt cylindrical roller, and location, the center of circle has reduced the sliding-frictional resistance between retainer and a plurality of ball.The ratio comparatively dense that a plurality of balls are arranged, load quantity is big, energy and labour saving, retainer is difficult for abrasion deformation, and the influence that lacked by low temperature environment and lubricant oil is less.Under the state that separates in the outer ring, inner ring, ball, retainer etc. can mutual restriction, become one closely, and good stability is convenient to installation and removal, long service life.

(4) description of drawings:

Fig. 1 is a kind of example structure schematic representation of the present utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the roll structure schematic representation.

Fig. 4 is a bearing combination structural representation.

(5) specific embodiment:

Embodiment one

Radial antifriction bearing, comprise inner ring 1, outer ring 2, a plurality of ball 3, retainer 4, back-up ring 5 and circlip 6, a plurality of balls 3 are respectively cylindrical roller, its two ends have taper platform 7 respectively, convex with axle respectively at the place, both ends of the surface axle center of ball 3 and sit 8, sit on 8 at axle and be set with ball axostylus axostyle 9 respectively.With a plurality of ball 3 end tapered platforms 7 matching parts inner ring retaining angle 10 is arranged on the outer wall of inner ring 1 one ends, on the other end outer wall of inner ring 1, annular groove 11 is arranged.And be set with back-up ring 5, circlip 6 is fastened in the annular groove 11, back-up ring 5 upper ends have with taper platform 7 be complementary domatic 17, back-up ring 5 rear ends are replaced on circlip 6.The retaining angle 12, outer ring that is complementary with ball 3 end tapered platforms 7 is arranged on the inwall of outer ring 2 one ends.The outer ring the other end has outward-dipping awl mouth 18, is convenient to the bearing loading and unloading.Retainer 4 is made of two annular catch 13 and a plurality of supporting element 14, two annular catch 13 be arranged in parallel, and a plurality of supporting elements 14 are fixedly installed between two annular catch 13 by desired location respectively, on the upper-end surface of two annular catch 13, and correspondence convexes with boss 15 respectively between per two supporting elements 14, is being respectively equipped with ball axostylus axostyle socket 16 on the boss 15 and on the annular catch of boss 15 correspondences.A plurality of balls 3 are installed in respectively between two annular catch 13, and the ball axostylus axostyle 9 at two ends is plugged in respectively in the ball axostylus axostyle socket 16, outer ring 2 is set on the exterior edge face of a plurality of balls 3, inner ring 1 is installed in the inboard of a plurality of balls 3, and the inner ring retaining angle 10 that the taper platform 7 of a plurality of ball 3 one ends is complementary with it respectively closely cooperates.

Claims

1, radial antifriction bearing, comprise inner ring (1), outer ring (2), a plurality of balls (3), retainer (4), back-up ring (5) and circlip (6), it is characterized in that a plurality of balls (3) are respectively cylindrical roller, its two ends have taper platform (7) respectively, convex with axle respectively at the place, both ends of the surface axle center of ball (3) and sit (8), on axle seat (8), be set with ball axostylus axostyle (9) respectively, with a plurality of balls (3) end tapered platforms (7) matching part inner ring retaining angle (10) is arranged on the outer wall of inner ring (1) one end, annular groove (11) is arranged on the other end outer wall of inner ring (1), and be set with back-up ring (5), circlip (6) is fastened in the annular groove (11), there are domatic (17) that are complementary with taper platform (7) back-up ring (5) upper end, back-up ring (5) rear end is replaced on circlip (6), the retaining angle (12), outer ring that is complementary with ball (3) end tapered platform (7) is arranged on the inwall of outer ring (2) one ends, the outer ring the other end has outward-dipping awl mouth (18), retainer (4) is made of two annular catch (13) and a plurality of supporting element (14), two annular catch (13) be arranged in parallel, and a plurality of supporting elements (14) are fixedly installed between two annular catch (13) by desired location respectively, on the upper-end surface of two annular catch (13), and being positioned between per two supporting elements (14) respectively, correspondence convexes with boss (15), on the annular catch that boss (15) is gone up and boss (15) is corresponding, be respectively equipped with ball axostylus axostyle socket (16), a plurality of balls (3) are installed in respectively between two annular catch (13), and the ball axostylus axostyle (9) at two ends is plugged in respectively in the ball axostylus axostyle socket (16), outer ring (2) is set on the exterior edge face of a plurality of balls (3), inner ring (1) is installed in the inboard of a plurality of balls (3), and the inner ring retaining angle (10) that the taper platform (7) of a plurality of ball (3) one ends is complementary with it respectively closely cooperates.