CN213235812U

CN213235812U - Bidirectional bearing ring

Info

Publication number: CN213235812U
Application number: CN202022027299.3U
Authority: CN
Inventors: 陈仪; 瞿宇聪
Original assignee: Changshu Yuanyang Machinery Manufacturing Co Ltd
Current assignee: Changshu Yuanyang Machinery Manufacturing Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-18
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a two-way bearing ring, including outer lane, first inner circle and second inner circle symmetry respectively set up at the inboard surface of outer lane and protrusion in the left and right sides limit of outer lane, the intermediate position of the inboard surface of first inner circle and second inner circle is provided with first annular groove and second annular groove respectively, be provided with the rolling element that a plurality of rings were arranged in first annular groove and the second annular groove. In this way, the utility model provides a two-way bearing ring adopts the structure of two inner circles, and two inner circles are all connected through rolling element and bearing rolling contact, appear not hard up and the phenomenon of skidding when preventing bearing ring and bearing from rotating, improve bearing moving stationarity, have improved the work efficiency of bearing, better protection bearing, long service life.

Description

Bidirectional bearing ring

Technical Field

The utility model relates to a technical field of bearing especially relates to a two-way bearing ring.

Background

The bearing is a part used for determining the relative movement position of the rotating shaft and other parts and has a supporting or guiding function. The primary function of the bearings is to support a rotating shaft or other moving body, to guide the rotational or translational movement and to carry the loads transmitted by the shaft or parts on the shaft.

Bearings are beginning to step into the historical arena with the advent of human industry civilization. In the sixteen century, an industrial revolution began in the west, and by the mid-eighteenth century, bearings began to appear as separate mechanical elements. By the beginning of the twentieth century, bearing technology has entered the modern development period and began to form the bearing industry of enormous scale. In the twenty-first century, the bearing is an indispensable basic part in modern mechanical equipment, is widely applied in various industries of national economy, and has a decisive effect on the precision, the performance, the service life and the reliability of a main machine.

As is well known, the bearing can run continuously in the using process, and after the bearing is used for a long time, the bearing ring and the internal rotating structure of the bearing can loosen and slip, so that the bearing can run very unstably, the working capacity is lost, the normal running of the bearing is influenced, and the service life of the bearing is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem of main solution provides a two-way bearing ring adopts the structure of two inner circles, and two inner circles all are connected with bearing rolling contact through the rolling element, appear not hard up and the phenomenon of skidding when preventing bearing ring and bearing rotation, improve bearing moving stationarity, have improved the work efficiency of bearing, better protection bearing, long service life.

In order to solve the technical problem, the utility model discloses a technical scheme be: the two-way bearing ring comprises an outer ring, a first inner ring and a second inner ring, wherein the first inner ring and the second inner ring are symmetrically arranged on the inner side surface of the outer ring and protrude out of the left side edge and the right side edge of the outer ring respectively, a first annular groove and a second annular groove are formed in the middle positions of the inner side surfaces of the first inner ring and the second inner ring respectively, and a plurality of rolling bodies which are arranged in an annular mode are arranged in the first annular groove and the second annular groove.

In a preferred embodiment of the present invention, the width of the outer ring is smaller than the sum of the widths of the first inner ring and the second inner ring.

In a preferred embodiment of the present invention, the first inner ring and the second inner ring have the same size.

In a preferred embodiment of the present invention, the widths of the first annular groove and the second annular groove are equal or unequal.

In a preferred embodiment of the present invention, the diameters of the rolling elements correspond to the widths of the first annular groove and the second annular groove, respectively.

In a preferred embodiment of the present invention, the rolling elements are steel balls or ceramic balls.

In a preferred embodiment of the present invention, the rolling elements protrude from the inner surfaces of the first inner ring and the second inner ring by 0.02-0.08 mm.

The utility model has the advantages that: the utility model provides a two-way bearing ring adopts the structure of two inner circles, and two inner circles all are connected with bearing rolling contact through the rolling element, appear not hard up and the phenomenon of skidding when preventing bearing ring and bearing rotation, improve bearing moving stationarity, have improved the work efficiency of bearing, better protection bearing, long service life.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the bidirectional bearing ring of the present invention;

FIG. 2 is a side sectional view of FIG. 1;

the parts in the drawings are numbered as follows: 1. the rolling bearing comprises an outer ring, 2, a first inner ring, 3, a second inner ring, 4, a first annular groove, 5, a second annular groove, 6 and rolling bodies.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 2, an embodiment of the present invention includes:

example 1:

a bidirectional bearing ring comprises an outer ring 1, a first inner ring 2 and a second inner ring 3, wherein the first inner ring 2 and the second inner ring 3 are symmetrically arranged on the inner side surface of the outer ring 1 and protrude out of the left side edge and the right side edge of the outer ring 1 respectively, a first annular groove 4 and a second annular groove 5 are arranged in the middle positions of the inner side surfaces of the first inner ring 2 and the second inner ring 3 respectively, and a plurality of rolling bodies 6 which are annularly arranged are arranged in the first annular groove 4 and the second annular groove 5.

In the above, the width of the outer ring 1 is smaller than the sum of the widths of the first inner ring 2 and the second inner ring 3. Wherein the first inner ring 2 and the second inner ring 3 have the same size.

The first annular groove 4 and the second annular groove 5 are equal in width. Wherein the diameter of the rolling bodies 6 corresponds to the width of the first annular groove 4 and the second annular groove 5, respectively.

In the present embodiment, the widths of the first annular groove 4 and the second annular groove 5 are both 0.65mm, and the plurality of rolling elements 6 are annularly arranged and clamped in the first annular groove 4 and the second annular groove 5, and protrude 0.04mm from the inner surfaces of the first inner ring 2 and the second inner ring 3, respectively.

The rolling body 6 is connected with a bearing (not shown) in a rolling contact manner by adopting steel balls, so that the wear resistance is good, and the service life is prolonged. Because the first inner ring 2 and the second inner ring 3 are arranged, the rolling bodies 6 on the first inner ring 2 and the second inner ring 3 are respectively in rolling contact with the bearing, a double-layer rotating structure is adopted, the phenomena of looseness and slippage when the bearing ring and the bearing rotate are prevented, and the running stability of the bearing is improved.

Example 2:

The widths of the first annular groove 4 and the second annular groove 5 are not equal. Wherein the diameter of the rolling bodies 6 corresponds to the width of the first annular groove 4 and the second annular groove 5, respectively.

In the present embodiment, the width of the first annular groove 4 is 0.58mm, the width of the second annular groove 5 is 0.78mm, and the plurality of rolling elements 6 are respectively annularly arranged and clamped in the first annular groove 4 and the second annular groove 5 and protrude 0.08mm from the inner surfaces of the first inner ring 2 and the second inner ring 3.

The rolling bodies 6 are made of ceramic beads and are in rolling contact connection with the bearings, so that the wear resistance is good, and the service life is prolonged. Because the first inner ring 2 and the second inner ring 3 are arranged, the rolling bodies 6 on the first inner ring 2 and the second inner ring 3 are respectively in rolling contact with the bearing, a double-layer rotating structure is adopted, the phenomena of looseness and slippage when the bearing ring and the bearing rotate are prevented, and the running stability of the bearing is improved.

To sum up, the utility model provides a two-way bearing ring adopts the structure of two inner circles, and two inner circles are all connected through rolling element and bearing rolling contact, appear not hard up and the phenomenon of skidding when preventing bearing ring and bearing rotation, improve bearing moving stationarity, have improved the work efficiency of bearing, better protection bearing, long service life.

In the description of the present invention, it should be noted that all the components are general standard components or components known to those skilled in the art, the structure and principle thereof are all known to those skilled in the art through technical manuals or through conventional testing methods, and the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the positions or positional relationships based on the drawings, or the positions or positional relationships that the products of the present invention are usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated devices or elements must have specific positions, be constructed and operated in specific positions, and thus, cannot be understood as limitations of the present invention.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The bidirectional bearing ring is characterized by comprising an outer ring, a first inner ring and a second inner ring, wherein the first inner ring and the second inner ring are respectively and symmetrically arranged on the inner side surface of the outer ring and protrude out of the left side edge and the right side edge of the outer ring, a first annular groove and a second annular groove are respectively arranged in the middle positions of the inner side surfaces of the first inner ring and the second inner ring, and a plurality of rolling bodies which are annularly arranged are arranged in the first annular groove and the second annular groove.

2. The bidirectional bearing ring of claim 1 wherein the width of the outer ring is less than the sum of the widths of the first inner ring and the second inner ring.

3. The bidirectional bearing ring of claim 1 wherein said first and second inner races are the same size.

4. The bidirectional bearing ring of claim 1, wherein the widths of said first and second annular grooves are equal or unequal.

5. The bidirectional bearing ring of claim 4, wherein diameters of the rolling bodies correspond to widths of the first annular groove and the second annular groove, respectively.

6. The bidirectional bearing ring of claim 5, wherein the rolling elements are steel balls or ceramic balls.

7. The bidirectional bearing ring of claim 1, wherein the rolling elements protrude 0.02-0.08mm from the inner surface of the first inner race and the second inner race.