CN210118360U

CN210118360U - Roller bearing and retainer thereof

Info

Publication number: CN210118360U
Application number: CN201920580305.2U
Authority: CN
Inventors: 石华伟
Original assignee: C&U Group Ltd
Current assignee: Shanghai C&U Group Co Ltd; C&U Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-28
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a roller bearing and holder thereof, be equipped with the draw-in groove on the both ends face of roller, the holder includes the holder unit of a plurality of I shapes, the holder unit is including the pillar of keeping apart adjacent roller and being located the connecting portion that have the radian at pillar both ends, a plurality of connecting portions with the one end can splice annular, the both ends of connecting portion are equipped with and constitute joint complex joint with the draw-in groove and connect, two adjacent pillars enclose into the pocket hole that supplies the roller to place with connecting portion, a plurality of holder unit components synthesize a complete holder, during the equipment, adjacent holder unit is through the fixed roller of joint head of embedding draw-in groove, including making the roller, steady operation between the outer lane, when serious wearing and tearing appear in a certain holder unit, can pull down the serious holder unit that wears out, change new holder unit, change cost is low.

Description

Roller bearing and retainer thereof

Technical Field

The utility model belongs to the technical field of the bearing is made, concretely relates to roller bearing and holder thereof.

Background

Roller bearing is one of the parts of wide application in the modernization machinery, generally include the inner circle, the outer lane, roller and holder, the holder is used for keeping apart the roller and guides the roller to move on the raceway, prevent adjacent roller direct contact, prevent simultaneously that the roller from dropping from the bearing, influence the bearing operation, in the bearing use, the external force size that the bearing received, the direction is different, the degree of wear that leads to the different positions of holder is different, current holder is mostly the integral type design, when a certain position wearing and tearing of holder are serious, just need to change whole holder, the replacement cost is too high, and when the holder of integral type is pulled down from the bearing, cause the damage to the bearing easily.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a retainer which has lower replacement cost than the prior retainer and is not easy to damage the bearing during replacement.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a roller bearing and holder thereof, includes roller and holder, be equipped with the draw-in groove on the both ends face of roller, the holder includes the holder unit of a plurality of I shapes, the holder unit is including the pillar of keeping apart adjacent roller and being located the connecting portion that have the radian at pillar both ends, and a plurality of connecting portions with the one end can splice annularly, the both ends of connecting portion are equipped with and constitute joint complex joint with the draw-in groove and connect, two adjacent pillars enclose with connecting portion and supply the pocket hole that the roller was placed.

In the technical scheme, the plurality of retainer units are combined into a complete retainer, when the retainer is assembled, the adjacent retainer units fix the rollers through the clamping joints embedded into the clamping grooves, so that the rollers stably run between the inner ring and the outer ring, when one or more retainer units are seriously worn, the retainer units which are seriously worn can be detached to replace new retainer units, and the replacement cost is low.

As the utility model discloses a further setting, the tank bottom surface that the draw-in groove is round platform shape and draw-in groove is less than the groove face, the mutual butt of two joint heads of relative setting, the joint is the shape that two joint heads of semicircle platform shape and relative setting constitute and the shape of draw-in groove unanimous.

Among the above-mentioned technical scheme, the draw-in groove is the round platform shape, makes things convenient for joint to imbed the draw-in groove fast, also makes things convenient for the joint to take off, and the mutual butt of two joints makes the holder that the combination of holder unit formed more stable, is difficult for letting the roller break away from the pocket hole.

As a further setting of the utility model, the radial cross section of the splicing part of two adjacent connecting parts is complementary N-shaped.

Among the above-mentioned technical scheme, the dislocation can be prevented to the concatenation department by the N shape, increases joint strength, and two N shape symmetry settings of preferred same connecting portion make things convenient for holder unit to assemble and break away from.

As a further arrangement of the present invention, the pillar is a trapezoidal platform with a medial surface smaller than the lateral surface.

Among the above-mentioned technical scheme, the pillar of trapezoidal platform shape limits the roller in the pocket hole, makes the roller radial float can not appear when the operation, makes the roller operation more stable.

As a further setting of the utility model, be equipped with V type groove on the relative face of adjacent pillar, the axial extension along the pillar of V type groove distributes.

Among the above-mentioned technical scheme, V type groove can prevent that the pillar from producing the deformation because the wall thickness is uneven to can reduce holder weight, when the bearing operation, V type groove can scrape off the unnecessary lubricating oil on roller surface and deposit in the groove, mends oil for the lubricated insufficient part of roller simultaneously, makes the roller operation more smooth and easy.

As a further arrangement of the utility model, the included angle of the two side walls of the V-shaped groove is between 90 degrees and 150 degrees.

Among the above-mentioned technical scheme, when 90 ~150, can play the frizing effect, can guarantee again that certain lubricating oil can be stored in the groove.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is a schematic view of a cage unit according to an embodiment of the present invention;

FIG. 3 is a schematic view of a roller according to an embodiment of the present invention;

FIG. 4 is a front view of a cage unit according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

FIG. 6 is a top view of a roller according to an embodiment of the present invention;

fig. 7 is a sectional view taken along line B-B of fig. 6.

Detailed Description

When terms such as "upper" and "lower", "right" and "left" or similar relative expressions are used in the present embodiment, these refer only to the accompanying drawings and are not necessarily actual usage.

The embodiment of the present invention is shown in fig. 1-7, a roller bearing and its retainer, including a roller 01 and a retainer 02, wherein the roller 01 has a slot 011 on both end surfaces, the retainer 02 includes a plurality of i-shaped retainer units 021, the plurality of retainer units 021 are combined into a complete retainer 02, the retainer unit 021 includes a pillar 0211 for isolating adjacent rollers 01 and connecting parts 0212 with radian at both ends of the pillar 0211, the plurality of connecting parts 0212 at the same end can be spliced into a ring, both ends of the connecting part 0212 are provided with a snap joint 02121 for forming a snap fit with the slot 011, two adjacent pillars 0211 and the connecting parts 0212 enclose a pocket 03 for placing the roller 01, when assembling, the adjacent retainer units 021 fix the roller 01 through the snap joint 02121 embedded into the slot 011, so that the roller 01 can stably operate between the inner ring and the outer ring, when one retainer unit 021 is severely worn, the retainer unit 021 which is seriously worn can be detached, a new retainer unit 021 is replaced, the replacement cost is low, the clamping groove 011 is in a circular truncated cone shape, the groove bottom surface 0111 of the clamping groove 011 is smaller than the groove surface 0112, the end heads of the two clamping heads 02121 which are oppositely arranged are mutually abutted, the retainer 02 formed by combining the retainer units 021 is more stable, the roller 01 is not easy to be separated from the pocket 03, the clamping head 02121 is in a semicircular truncated cone shape, the shape formed by the two clamping heads 02121 which are oppositely arranged is consistent with the shape of the clamping groove 011, the clamping head 02121 can be quickly clamped into the clamping groove 011 and is also convenient for the clamping head 02121 to be taken down, the radial cross section of the splicing part of the two adjacent connecting parts 0212 is in a complementary N shape, the N shape can prevent the splicing part from being misplaced, the connecting strength is increased, preferably, the two N shapes of the same connecting part 0212 are symmetrically arranged, the assembly and the separation of the, the roller 01 is limited in the pocket 03 by the trapezoid-shaped strut 0211, so that the roller 01 can run more stably, the opposite surfaces of the adjacent struts 0211 are provided with the V-shaped grooves 02111, the V-shaped grooves 02111 are distributed in an extending mode along the axial direction of the struts 0211, the V-shaped grooves 02111 can prevent the struts 0211 from deforming due to uneven wall thickness, the weight of the retainer 02 can be reduced, when the bearing runs, the redundant lubricating oil on the surface of the roller 01 can be scraped and stored in the grooves by the V-shaped grooves 02111, meanwhile, the insufficient lubricating oil of the roller 01 is supplemented, so that the roller 01 runs more smoothly, in the embodiment, the included angle between the two side walls of the V-shaped grooves 02111 is 120 degrees, the oil scraping effect can be achieved, and certain lubricating oil.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a roller bearing and holder thereof, includes roller and holder, its characterized in that: the utility model discloses a roller bearing, including roller, cage, connecting portion, clamping groove, ring-shaped, connecting portion, the both ends of connecting portion are equipped with the pocket hole that supplies the roller to place with connecting portion enclosure, be equipped with the draw-in groove on the both ends face of roller, the cage includes the cage unit of a plurality of I shapes, the cage unit is including the pillar of keeping apart adjacent roller and being located the connecting portion that have the radian at pillar both ends, and a plurality of connecting portions with one end can splice the circularity, the both.

2. A roller bearing and cage therefor in accordance with claim 1, wherein: the draw-in groove is that the tank bottom face of round platform shape and draw-in groove is less than the groove face, the mutual butt of two joint heads on the adjacent connecting portion, the shape that the joint head is half round platform shape and two joint head components that set up relatively is unanimous with the shape of draw-in groove.

3. A roller bearing and cage therefor in accordance with claim 2, wherein: the radial section of the splicing part of the two adjacent connecting parts is in a complementary N shape.

4. A roller bearing and cage therefor as claimed in claim 1, 2 or 3, wherein: the pillar is a trapezoidal table with the inner side surface smaller than the outer side surface.

5. A roller bearing and cage therefor in accordance with claim 4, wherein: and V-shaped grooves are formed in the opposite surfaces of the adjacent supporting columns and are distributed along the axial extension of the supporting columns.

6. A roller bearing and cage therefor in accordance with claim 5, wherein: the included angle of the two side walls of the V-shaped groove ranges from 90 degrees to 150 degrees.