CN210034164U

CN210034164U - Ball bearing

Info

Publication number: CN210034164U
Application number: CN201920617926.3U
Authority: CN
Inventors: 葛波达; 赵永辉
Original assignee: Ningbo Zhenhai Engel Bearing Co Ltd
Current assignee: Ningbo Zhenhai Engel Bearing Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-02-07
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a ball bearing, including the outer loop, the inner ring, the rolling member, keep ware and dust proof, the interior week of outer loop is provided with first bearing channel, the periphery of inner ring is provided with the second bearing channel, first bearing channel equals with the diameter and the arc length homogeneous phase of second bearing channel, the rolling member distributes and cooperates with first bearing channel and second bearing channel simultaneously along the circumferencial direction of inner ring and outer loop, keep the ware with the equidistant distribution of rolling member between inner ring and outer loop, the both sides at outer loop and inner ring are installed to the dust proof symmetry, the center of dust proof is provided with a puigging, set up on the outer loop and be no less than 1 oil filler point, the oil filler point is circuitous type structure. The utility model discloses improve to the problem that ball bearing noise of operation influences product quality greatly, the utility model has the advantages of long service life, bearing noise of operation are low and improve product quality.

Description

Ball bearing

Technical Field

The utility model relates to a bearing technical field especially involves a ball bearing.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body. In particular, in circular motion, a bearing is an indispensable component, and according to the difference of friction properties of moving elements, the bearing can be generally divided into a sliding bearing or a rolling bearing, the sliding bearing makes surface contact motion with a rotating shaft, and the rolling bearing makes point or line contact motion with the rotating shaft, wherein the rolling bearing has increasingly wide application range due to the energy saving and high precision of a rolling friction form, and the rolling bearing is divided into a ball bearing and a roller bearing according to the difference of rolling parts, the ball bearing is called as a ball bearing, the ball bearing is adopted as the rolling part, so that the ball bearing cannot bear larger load, and the bearing is mostly applied to light-load industrial occasions. The existing ball bearing mostly adopts a plurality of balls and a plurality of balls, so that the friction between the balls and a bearing channel is further increased, the working noise is high, and the product quality of the bearing is influenced.

For this reason, it is to reduce bearing noise is the utility model discloses the problem that will solve to guarantee that bearing noise at work reduces and improves the bearing quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a ball bearing to the ball bearing working process noise among the solution prior art influences the technical problem of product quality etc. greatly.

The utility model discloses a realize through following technical scheme: the utility model discloses a ball bearing, include:

the inner circumference of the outer ring is provided with a first bearing channel;

the outer periphery of the inner ring is provided with a second bearing channel, and the diameters and the arc lengths of the first bearing channel and the second bearing channel are equal;

the rolling pieces are distributed along the circumferential direction of the inner ring and the outer ring and are simultaneously matched with the first bearing channel and the second bearing channel;

a retainer that distributes the rolling elements equally spaced between the inner ring and the outer ring;

the dustproof pieces are symmetrically arranged on two sides of the outer ring and the inner ring, and a sound insulation layer is arranged in the center of each dustproof piece;

set up on the outer loop and be no less than 1 oil filler point, the oil filler point is circuitous type structure.

Preferably, in order to enable direct injection of the lubricating oil into the bearing channel and to improve the lubricating efficiency, one end of the oil filler hole is provided on the side outer wall of the outer ring and the other end of the oil filler hole extends to the inner wall of the first bearing channel.

Preferably, in order to guarantee that the rolling bearing cannot be blocked due to overhigh temperature in the working process or the ball bearing vibrates excessively due to overlarge clearance, the working noise of the bearing is increased, the first bearing channel and the second bearing channel are provided with clearances with the rolling elements simultaneously, and the clearance range is 10-15 microns.

Preferably, in order to be convenient for follow-up washing or observing the inside condition of bearing, the dustproof piece is formed by being no less than 4 deformation concatenation, the draw-in groove has been seted up to a side of deformation, the lug has been seted up to a side of deformation, lug and draw-in groove block are fixed during deformation concatenation, first dust-proof groove has been seted up on the outer loop, the second dust-proof groove has been seted up on the inner ring, the both ends difference joint of deformation is at first dust-proof groove and second dust-proof inslot, the degree of depth in first dust-proof groove is not less than 2 mm.

Preferably, in order to reduce the inside temperature of during operation bearing, prevent that the rolling member from leading to the card extremely because of the high temperature, keep the ware including the solid fixed ring of rolling member, the rolling member cooperates with the solid fixed ring of rolling member, the solid fixed ring's of rolling member periphery axial still is fixed with radiator unit, radiator unit is by dead lever, roating seat and rotating vane, rotating vane radially fixes on the roating seat, the roating seat activity cup joints on the dead lever, dead lever and the solid fixed ring welded fastening of rolling member.

The utility model discloses a ball bearing, compared with the prior art, adopt and set up a puigging in the dust keeper and come the noise reduction, also adopt the oil filler point of seting up a circuitous type structure on the outer loop simultaneously, can pull down the dust keeper frequently to regularly in time pour into lubricating oil to the bearing slide, can prevent like this that the bearing that the dust keeper caused from frequently pulling down is inside rusty and the surface that lubricating oil can in time lubricate the rolling element, can further reduce the noise of bearing work, circuitous type's structural design can prevent to a certain extent that external impurity from getting into inside the bearing. The utility model has the advantages of long service life, low bearing working noise, good product quality and the like.

Drawings

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

FIG. 2 is a schematic perspective view of the dust-proof component;

FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 1;

fig. 4 is a schematic perspective view of the deformable member.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

Embodiment 1 discloses a ball bearing, as shown in fig. 1 and 2, including an outer ring 1, an inner ring 2, rolling members 3, a retainer 4 and a dust-proof member 5, wherein the inner periphery of the outer ring 1 is provided with a first bearing channel 11, the outer periphery of the inner ring 2 is provided with a second bearing communication 21, the diameters and arc lengths of the first bearing channel 11 and the second bearing communication 21 are equal, and the chord length is smaller than the diameter of the rolling members 3. The rolling elements 3 are distributed in the circumferential direction of the inner ring 2 and the outer ring 1 and simultaneously cooperate with the first bearing channels 11 and the second bearing communication 21, and the first bearing channel 11 communicates 21 with the second bearing and all is provided with the play with rolling element 3 simultaneously, the play sets up to 10 microns, rolling element 3 adopts the smooth steel ball of surface, 1 oil filler point 12 has been seted up on the outer loop 1, oil filler point 12 is the circuitous structure of helix shape, the one end of oil filler point 12 sets up on the side outer wall of outer loop 1, the other end of oil filler point 12 extends to on the inner wall of first bearing channel 11, retainer 4 distributes a plurality of rolling element 3 equidistant between inner ring 2 and outer loop 1, dustproof 5 are installed in the both sides of outer loop 1 and inner ring 2 symmetrically, the center of dustproof 5 is provided with a puigging 51, puigging 51 is made by polyurethane foam, dustproof 5 is formed by two thin aluminium plate clip puigging 51 through the adhesive adhesion.

As shown in fig. 3, the retainer 4 includes a rolling element fixing ring 41, the rolling element 3 is matched with the rolling element fixing ring 41, the rolling element fixing ring 41 is not contacted with the outer ring 1 and the inner ring 2 in the working process, a heat dissipation assembly 42 is further fixed on the outer peripheral axial direction of one side of the rolling element fixing ring 41, the heat dissipation assembly 42 is composed of a fixing rod 421, a rotating seat 422 and rotating blades 423, the rotating blades 423 are radially fixed on the rotating seat 422, the rotating seat 422 is movably sleeved on the fixing rod 421, the fixing rod 421 is welded and fixed with the rolling element fixing ring 41, and the vertical distance between the 2 rotating blades 423 is smaller than the distance between the outer ring 1 and the inner ring 2.

As shown in fig. 4, the dust-proof part 5 is formed by splicing 4 deformation parts 52 of the same specification, a clamping groove 521 is formed in one side edge of each deformation part 52, a protruding block 522 is formed in one side edge of each deformation part 52, the protruding block 522 and the clamping groove 521 are clamped and fixed when the deformation parts 52 are spliced, a first dust-proof groove 13 is formed in the outer ring 1, a second dust-proof groove 22 is formed in the inner ring 2, two ends of each deformation part 52 are respectively clamped in the first dust-proof groove 13 and the second dust-proof groove 22, and the depth of the first dust-proof groove 13 is 2 mm.

Example 2

Embodiment 2 discloses a ball bearing, including outer ring 1, inner ring 2, rolling member 3, keep ware 4 and dustproof 5, the inner periphery of outer ring 1 is provided with first bearing channel 11, and the outer periphery of inner ring 2 is provided with second bearing and communicates 21, and first bearing channel 11 communicates 21 with the second bearing diameter and arc length equal, and its chord length is less than the diameter of rolling member 3. The rolling elements 3 are distributed in the circumferential direction of the inner ring 2 and the outer ring 1 and simultaneously cooperate with the first bearing channels 11 and the second bearing communication 21, and the first bearing channel 11 communicates 21 with the second bearing and all is provided with the play with rolling element 3 simultaneously, the play sets up to 15 microns, rolling element 3 adopts the smooth steel ball of surface, 2 oil filler point 12 have been seted up on the outer loop 1, oil filler point 12 is the circuitous structure of helix shape, the one end of oil filler point 12 sets up on the side outer wall of outer loop 1, the other end of oil filler point 12 extends to on the inner wall of first bearing channel 11, retainer 4 distributes a plurality of rolling element 3 equidistant between inner loop 2 and outer loop 1, dustproof 5 are installed in the both sides of outer loop 1 and inner loop 2 symmetrically, the center of dustproof 5 is provided with a puigging 51, puigging 51 is made by polyurethane foam, dustproof 5 is formed by two thin aluminium plate clip puigging 51 through the adhesive adhesion.

Retainer 4 includes rolling element retainer ring 41, rolling element 3 and rolling element retainer ring 41 cooperation, rolling element retainer ring 41 does not contact with outer loop 1 and inner ring 2 in the course of the work, the periphery axial of one side of rolling element retainer ring 41 still is fixed with radiator unit 42, radiator unit 42 is by dead lever 421, roating seat 422 and rotating vane 423, rotating vane 423 radially fixes on roating seat 422, roating seat 422 activity cup joints on dead lever 421, dead lever 421 and rolling element retainer ring 41 welded fastening, 2 vertical distance between rotating vane 423 is less than the distance between outer loop 1 and the inner ring 2.

Claims

1. A ball bearing, comprising:

the bearing comprises an outer ring, wherein a first bearing channel is arranged on the inner periphery of the outer ring;

rolling members which are distributed in the circumferential direction of the inner ring and the outer ring and simultaneously fit with the first bearing channel and the second bearing channel;

a retainer that equally spaces the rolling elements between the inner ring and the outer ring;

the outer ring is provided with at least 1 oil filler point, and the oil filler point is of a circuitous structure.

2. The ball bearing of claim 1 wherein one end of said oil filler hole is provided in a side outer wall of said outer race and the other end of said oil filler hole extends to an inner wall of said first bearing channel.

3. The ball bearing of claim 1, wherein both the first bearing channel and the second bearing channel are provided with a play with the rolling elements, the play being in the range of 10-15 microns.

4. The ball bearing according to claim 1, wherein the dust-proof member is formed by splicing at least 4 deformation members, a clamping groove is formed in one side edge of each deformation member, a protruding block is formed in one side edge of each deformation member, the protruding block and the clamping groove are clamped and fixed when the deformation members are spliced, a first dust-proof groove is formed in the outer ring, a second dust-proof groove is formed in the inner ring, two ends of each deformation member are respectively clamped in the first dust-proof groove and the second dust-proof groove, and the depth of the first dust-proof groove is not less than 2 mm.

5. The ball bearing according to claim 1, wherein the retainer comprises a rolling element fixing ring, the rolling element is matched with the rolling element fixing ring, a heat dissipation assembly is further axially fixed on the periphery of the rolling element fixing ring, the heat dissipation assembly comprises a fixing rod, a rotating seat and a rotating blade, the rotating blade is radially fixed on the rotating seat, the rotating seat is movably sleeved on the fixing rod, and the fixing rod is welded and fixed with the rolling element fixing ring.