CN215634456U - Novel bearing ring - Google Patents

Abstract

The utility model discloses a novel bearing ring, relates to bearing fittings, and aims to solve the problems that a clearance between a dustproof cover and a bearing inner ring is increased due to the friction and abrasion between the dustproof cover and the bearing inner ring, and external impurities such as dust and the like easily enter between the bearing outer ring and the bearing inner ring, and the technical scheme is as follows: including outer lane and inner circle, set up a plurality of annular that are used for fixed shield with the coaxial setting of outer lane on the internal perisporium of outer lane, be equipped with the ring groove with annular dislocation set on the periphery wall of inner circle, the terminal surface of outer lane and inner circle is equipped with the dustproof slot of a plurality of concentric settings. According to the utility model, the annular groove and the annular groove are arranged in a staggered manner, so that the contact area between the dustproof cover and the inner ring is reduced, the abrasion of the dustproof cover can be reduced, and the staggered arrangement can enable dust entering between the outer ring and the inner ring to enter the annular groove, so that the dust is prevented from adhering to the rolling body, and the smooth rotation degree of the bearing is improved.

Description

Novel bearing ring

Technical Field

The present invention relates to bearing fittings, and more particularly, it relates to a novel bearing ring.

Background

The bearing ring is a ring-shaped part of a radial rolling bearing with one or more raceways, the mounting sequence is required to be particularly noticed when the bearing ring is mounted, the front end and the back end of the precision bearing are also required to be noticed, and dynamic unbalance can be caused if the precision bearing is reversely mounted, so that the performance of the bearing is influenced.

When the bearing is assembled, people sequentially load the rolling bodies between the bearing outer ring and the bearing inner ring, lubricating oil is injected between the bearing outer ring and the bearing inner ring, then the sealing ring or the dust cover is installed between the bearing outer ring and the bearing inner ring, a metal cover (the dust cover) or a rubber ring with a framework is usually embedded into a groove of the bearing outer ring, a small gap or a contact is formed between the metal cover (the dust cover) and the bearing inner ring to form a closed structure, when the bearing is used, the metal cover (the dust cover) and the bearing inner ring are in friction wear, the gap between the metal cover (the dust cover) and the bearing inner ring is increased, impurities such as external dust and the like easily enter between the bearing outer ring and the bearing inner ring, and the bearing rotation is influenced.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a novel bearing ring.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a novel bearing ring, includes outer lane and inner circle, set up a plurality ofly on the internal perisporium of outer lane and be used for the annular of fixed shield with the coaxial setting of outer lane, be equipped with the ring groove with annular dislocation set on the periphery wall of inner circle, the terminal surface of outer lane and inner circle is equipped with the dustproof slot of a plurality of concentric settings.

Through adopting above-mentioned technical scheme, set up the annular on the internal perisporium of outer lane, the outer edge that enables to be the shield of annular structure inlays to the annular in, fix the shield, and set up the ring groove on the periphery wall of inner circle, and ring groove dislocation set, reduce the area of contact between shield and the inner circle, can reduce the wearing and tearing of shield, and the setting of dislocation enables to enter into to the outer lane and the dust between the inner circle in entering into the ring groove, hinder the dust and adhere to the rolling element, improve bearing pivoted smoothness degree, because the dust leads to the problem of noise production when solving the bearing and rotating.

The utility model is further configured to: the opening of the ring groove is obliquely arranged towards the axis direction of the outer ring.

Through adopting above-mentioned technical scheme, the opening of annular sets up towards the axle center direction slope of outer lane, can increase the area of contact between shield and the outer lane, improves shield installation intensity.

The utility model is further configured to: the opening of ring groove sets up to the axle center direction slope of inner circle dorsad, ring groove and annular are equipped with the overlap region along the radial direction ascending projection of outer lane.

Through adopting above-mentioned technical scheme, the ring groove forms the overlap region with the annular along radial direction, can guarantee the joint strength of shield and outer lane and inner circle, when playing the separation effect, can reduce the wearing and tearing of shield to enable external dust to hold back in the ring groove under the separation effect of shield, effectively hinder the influence of external dust to the bearing, improve the life of bearing.

The utility model is further configured to: the section of the dustproof groove is in a right trapezoid shape, the right-angle portion of the dustproof groove located on the outer ring is arranged towards the axis direction of the dustproof groove, and the right-angle portion of the dustproof groove located on the inner ring is arranged towards the axis direction of the inner ring.

Through adopting above-mentioned technical scheme, because the cross-section of dustproof slot is trapezoidal, and the right angle portion that is located outer lane and inner circle sets up towards or axle center direction dorsad respectively, when outer lane or inner circle rotated, the dust that is located outer lane or inner circle terminal surface can break away from outer lane or inner circle along dustproof slot's slope waist under centrifugal action, and keeps off through the check of right angle portion to the dust, hinders the dust to shield and outer lane or inner circle junction displacement, improves the dustproof effect of bearing.

The utility model is further configured to: the inner ring and the outer ring are made of high-carbon high-chromium steel and are of an integral structure.

By adopting the technical scheme, the inner ring and the outer ring are made of high-carbon high-chromium steel, so that the wear-resistant steel has the characteristics of good toughness and wear resistance, and has a good service life.

The utility model is further configured to: and polytetrafluoroethylene coatings are arranged on the end faces of the inner ring and the outer ring.

By adopting the technical scheme, the end faces of the outer ring and the inner ring are coated with the polytetrafluoroethylene coatings, so that the surface tension of the outer ring or the inner ring can be changed, and dust attached to the surfaces of the outer ring and the inner ring can be reduced.

In conclusion, the utility model has the following beneficial effects:

set up the annular on the internal perisporium of outer lane, the outer edge that enables to be the shield of annular structure inlays to the annular in, fix the shield, and set up the ring groove on the periphery wall of inner circle, and ring groove dislocation set, reduce the area of contact between shield and the inner circle, can reduce the wearing and tearing of shield, and the setting of dislocation enables to enter into to the dust between outer lane and the inner circle and gets into to the ring groove in, hinder the dust and adhere to the rolling element, improve bearing pivoted smoothness degree, solve the problem that the bearing leads to the noise generation because of the dust when rotating.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

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

FIG. 4 is a cross-sectional view of the present invention;

fig. 5 is an enlarged view of a portion B in fig. 4.

In the figure: 1. an outer ring; 2. an inner ring; 3. a ring groove; 4. a ring groove; 5. and a dust-proof groove.

Detailed Description

The utility model is described in detail below with reference to the figures and examples.

The utility model provides a novel bearing ring, as shown in figure 1, figure 2 and figure 4, including outer lane 1 and inner circle 2, set up a plurality of annular 3 that are used for fixed shield with the coaxial setting of outer lane 1 on the internal perisporium of outer lane 1, be equipped with the ring groove 4 with 3 dislocation set of annular on the periphery wall of inner circle 2, the terminal surface of outer lane 1 and inner circle 2 is equipped with a plurality of dustproof slot 5 that set up with one heart, wherein, inner circle 2 and outer lane 1 all adopt high carbon high chromium steel material and structure as an organic whole to the terminal surface of inner circle 2 and outer lane 1 is equipped with the polytetrafluoroethylene coating.

As shown in fig. 3 and 5, the opening of the ring groove 3 is inclined toward the axial direction of the outer ring 1, the opening of the ring groove 4 is inclined away from the axial direction of the inner ring 2, the projection of the ring groove 4 and the ring groove 3 in the radial direction of the outer ring 1 is provided with an overlapping area, and specifically, the outer ring 1 and the inner ring 2 are both formed by turning on the outer peripheral wall and the inner peripheral wall thereof by a milling machine.

As shown in fig. 3 and 5, the dust-proof groove 5 is formed by turning both end surfaces of the outer ring 1 and the inner ring 2 by a milling machine, and the section of the dust-proof groove 5 is a right trapezoid, a right-angled portion of the dust-proof groove 5 located on the outer ring 1 is provided toward the axial direction of the outer ring 1, and a right-angled portion of the dust-proof groove 5 located on the inner ring 2 is provided away from the axial direction of the inner ring 2.

The working process is as follows: when the bearing is assembled, the balls are sequentially placed between the outer ring 1 and the inner ring 2, then the outer edge of the dustproof cover is embedded into the annular groove 3 of the outer ring 1, the opening of the annular groove 3 is obliquely arranged towards the axis direction of the outer ring 1, the contact area between the dustproof cover and the outer ring 1 can be increased, the dustproof cover is firmly fixed, the annular grooves 4 and the annular groove 3 form an overlapping area along the radial direction, when the outer edge of the dustproof cover is embedded into the annular groove 3, the inner edge of the dustproof cover is abutted against the edge of the groove, the contact area between the inner ring 2 and the dustproof cover is reduced, the two annular grooves 4 are positioned between the two annular grooves 3, the dustproof cover can reduce the abrasion of the dustproof cover while playing a blocking role, the external dust can be blocked in the annular grooves 4 under the blocking role of the dustproof cover, the influence of the external dust on the bearing is effectively blocked, the service life of the bearing is prolonged, and the smoothness of the rotation of the bearing is improved, the problem of noise caused by dust when the bearing rotates is solved.

And inner circle 2 and outer lane 1 choose the high-carbon high-chromium steel material for use, have good toughness and wear-resisting characteristics, have good life, and offer dustproof slot 5 on the terminal surface of outer lane 1 and inner circle 2, because the cross-section of dustproof slot 5 is trapezoidal, and the straight angle portion that is located on outer lane 1 and inner circle 2 sets up towards or the axle center direction of dorsad respectively, when outer lane 1 or inner circle 2 rotated, the dust that is located in outer lane 1 or inner circle 2 terminal surface can break away from outer lane 1 or inner circle 2 along the slope waist limit of dustproof slot 5 under the centrifugal action, and through the check of right angle portion to the dust, hinder the dust to the shield and outer lane 1 or inner circle 2 junction displacement, improve the dustproof effect of bearing, and under the effect of polytetrafluoroethylene coating, reduce the adhesion of dust to the bearing ring, and reduce the dust on the bearing, improve the clean condition of bearing.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (6)

1. A novel bearing ring is characterized in that: including outer lane (1) and inner circle (2), set up a plurality ofly on the internal perisporium of outer lane (1) and be used for fixed annular (3) of shield with outer lane (1) coaxial setting, be equipped with on the periphery wall of inner circle (2) ring groove (4) with annular (3) dislocation set, the terminal surface of outer lane (1) and inner circle (2) is equipped with a plurality of dustproof slot (5) of concentric settings.

2. A novel bearing ring according to claim 1, characterized in that: the opening of the ring groove (3) is obliquely arranged towards the axis direction of the outer ring (1).

3. A novel bearing ring according to claim 2, characterized in that: the opening of ring groove (4) sets up to the axle center direction slope of inner circle (2) dorsad, ring groove (4) and annular (3) are equipped with the overlap region along the radial direction ascending projection of outer lane (1).

4. A novel bearing ring according to claim 1, characterized in that: the cross-section of dustproof groove (5) is right trapezoid, is located outer lane (1) the right angle portion of dustproof groove (5) sets up towards its axle center direction, is located inner circle (2) the right angle portion of dustproof groove (5) sets up towards the axle center direction of inner circle (2) dorsad.

5. A novel bearing ring according to claim 1, characterized in that: the inner ring (2) and the outer ring (1) are made of high-carbon high-chromium steel and are of an integral structure.

6. A novel bearing ring according to claim 1, characterized in that: and polytetrafluoroethylene coatings are arranged on the end surfaces of the inner ring (2) and the outer ring (1).

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