CN217401446U - Outer ring of double-row closed deep groove ball bearing - Google Patents

Abstract

An included angle formed by one side of a neck expanding portion of a lantern ring inner wall (5) and the end face of a lantern ring (3) located on one side of the neck expanding portion of the lantern ring inner wall (5) is 45 degrees, two arc-shaped section ring grooves A (4) are arranged at the end portion of one side of a neck reducing portion of the lantern ring inner wall (5), the lantern rings (3) are arranged oppositely, the two lantern rings (3) are fixedly connected with the two end faces of a ring body (10) through the end faces of the neck reducing portions of the two lantern ring inner walls (5), and the two arc-shaped section ring grooves A (4) are respectively connected with the two arc-shaped section ring grooves B (6) to form two half arc-shaped section ring grooves (7); the utility model discloses a utilize the terminal surface of two sets of inner wall necking down ends and the both ends face rigid coupling of ring body with two sets of rings, two arc cross-section annular A form two halves circular arc cross-section annular after connecting with two arc cross-section annular B respectively, have realized the installation of being convenient for when full dress deep groove ball bearing, and bearing oil is lubricated easily, the difficult purpose of running oil.

Description

Outer ring of double-row closed deep groove ball bearing

Technical Field

The utility model relates to a double-row deep groove bearing especially relates to a double-row closed deep groove ball bearing's outer lane.

Background

The deep groove ball bearing is suitable for operation at high rotating speed or even extremely high rotating speed, is very durable and does not need frequent maintenance. The bearing has small friction coefficient, high limit rotating speed and various size ranges and forms, is applied to the industries of precision instruments, low-noise motors, automobiles, motorcycles, general machinery and the like, and is the most widely used bearing in the mechanical industry. Primarily radial loads, but also a certain amount of axial loads. The ball assembly of the full-filling deep groove ball bearing always has the process flow that holes or openings are needed, and the deep groove ball bearing has the defects that the normal use is influenced by poor sealing, easy oil leakage and the like after the holes or the openings are formed. The deep groove ball bearing has many advantages stronger than other bearings, and if the defects can be overcome, the application and popularization of the deep groove ball bearing have huge market space.

Disclosure of Invention

In order to overcome not enough among the background art, the utility model discloses a double-row closed deep groove ball bearing's outer lane, through the both ends face rigid coupling of the terminal surface that utilizes two sets of ring inner wall necking ends and ring body with two sets of rings, two arc cross-section annular A form two halves circular arc cross-section annular after connecting with two arc cross-section annular B respectively, realized the installation of being convenient for when full-complement deep groove ball bearing, and the bearing oil is lubricated easily, the difficult purpose of running oil.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a double-row closed deep groove ball bearing's outer lane, including the lantern ring and ring body, be equipped with arc cross section annular B respectively in the inner wall of ring body both sides of ring body, the lantern ring inner wall that the lantern ring was equipped with is one side flaring neck one side necking down, the contained angle that flaring neck one side of lantern ring inner wall and the lantern ring terminal surface that is located lantern ring inner wall flaring neck one side formed is 45 degrees, be equipped with arc cross section annular A at necking down one side tip of lantern ring inner wall, the lantern ring is two and relative setting, two sets of rings utilize the terminal surface of two sets of inner wall necking down ends and the both ends face rigid coupling of ring body, two arc cross section annular A form two halves circular arc cross section annular after connecting with two arc cross section annular B respectively.

The outer ring of the double-row closed deep groove ball bearing is characterized in that a plurality of through holes are formed in the outer ring of the lantern ring at intervals around the axis of the lantern ring between the two end faces of the outer edge of the lantern ring, a plurality of screw through holes corresponding to the through holes are formed in the outer ring of the lantern ring at intervals around the axis of the lantern ring between the two end faces of the outer edge of the lantern ring, and a plurality of screws matched with the through holes formed in the two lantern rings in number penetrate through the through holes formed in the two lantern rings and then are in threaded connection with the two ends of the screw through holes.

The outer ring of the double-row closed deep groove ball bearing is provided with a flared neck at the end part of a through hole positioned on one side of the flared neck of the inner wall of the lantern ring, and a screw cap arranged on a screw is positioned in the flared neck.

The outer ring of the double-row closed deep groove ball bearing is of an annular plane structure, and the outer wall of the outer ring formed by connecting the two lantern rings and the ring body is of an annular plane structure.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

the outer ring of the double-row closed deep groove ball bearing provided by the utility model has the advantages that two sets of rings are fixedly connected by utilizing the end surfaces of the necking ends of the inner walls of the two sets of rings and the two end surfaces of the ring bodies, and the two arc-shaped section ring grooves A are respectively connected with the two arc-shaped section ring grooves B to form two half arc-shaped section ring grooves, so that the purposes of convenient installation, easy lubrication of bearing oil and difficult oil leakage when the deep groove ball bearing is fully filled are realized; the utility model relates to an ingenious, bearing capacity is strong, the installation of being convenient for, has prolonged the life of bearing effectively, has very big market spreading value.

Drawings

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

FIG. 2 is a schematic perspective view of the collar of the present invention;

fig. 3 is a schematic view of another perspective structure of the lantern ring of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the ring body of the present invention.

In the figure: 1. perforating; 2. a screw; 3. a collar; 4. an arc-section ring groove A; 5. the inner wall of the lantern ring; 6. an arc-shaped section ring groove B; 7. a semicircular arc section ring groove; 8. the outer wall of the outer ring; 9. a threaded through hole; 10. a ring body; 11. an inner wall of the ring body; 12. and (4) expanding the neck.

Detailed Description

The present invention will be explained in more detail by the following examples, which are not intended to limit the invention, and the purpose of disclosing the invention is to protect all the changes and improvements that come within the scope of the invention;

the outer ring of the double-row closed deep groove ball bearing comprises a lantern ring 3 and a lantern ring 10, wherein two sides of an inner wall 11 of the lantern ring 10 are respectively provided with an arc-shaped section annular groove B6, an inner wall 5 of the lantern ring 3 is a neck-expanding side neck-contracting side, an included angle formed by the neck-expanding side of the inner wall 5 of the lantern ring and the end surface of the lantern ring 3 positioned on the neck-expanding side of the inner wall 5 of the lantern ring is 45 degrees, an arc-shaped section annular groove A4 is arranged at the end part of the neck-contracting side of the inner wall 5 of the lantern ring, the lantern ring 3 is arranged in two opposite directions, the two lantern ring 3 is fixedly connected with two end surfaces of the ring 10 by utilizing the end surface of the neck-contracting end of the inner wall 5 of the lantern ring, the two arc-shaped section annular grooves A4 are respectively connected with the two arc-shaped section annular grooves B6 to form two half arc-shaped section annular grooves 7, a plurality of through holes 1 are arranged between the two end surfaces at intervals around the axis of the lantern ring 3, a plurality of through holes 9 corresponding to the through holes 1 are arranged between the two end surfaces of the outer edge of the ring 10 at intervals, the screws 2 which are matched with the through holes 1 arranged on the two sets of rings 3 in number respectively penetrate through the through holes 1 arranged on the two sets of rings 3 and then are in threaded connection with the two ends of the screw through holes 9, the end part of the through hole 1 positioned on the neck expanding side of the inner wall 5 of the sleeve ring is provided with a neck expanding 12, the screw cap arranged on the screw 2 is positioned in the neck expanding 12, and the outer ring outer wall 8 formed after the two sets of rings 3 are connected with the ring body 10 is of an annular plane structure.

When the outer ring of the double-row closed deep groove ball bearing is used, the ball roller coated with bearing oil is fully arranged in the semi-circular cross section ring grooves respectively arranged on the two half inner rings, the two half inner rings provided with the ball roller respectively extend into the ring cavity along the two sides of the ring body 10 and then are contacted, the two sets of rings 3 are fixedly connected by the screws 2 by utilizing the end surfaces of the necking ends of the two lantern ring inner walls 5 and the two end surfaces of the ring body 10, the two arc cross section ring grooves A4 are respectively connected with the two arc cross section ring grooves B6 to form two half circular cross section ring grooves 7, the two half circular cross section ring grooves 7 and the two half circular cross section ring grooves arranged on the inner ring limit two sets of ball rollers between the ball bearing and the inner ring, and because the included angle formed by the necking side of the lantern ring inner wall 5 and the end surface of the lantern ring 3 positioned on the necking side of the lantern ring inner wall 5 is 45 degrees, the utility model can not throw bearing oil out from the inner ring during operation, not only the utility model discloses, the inner circle all increases the axial and radial bearing capacity that contact surface has increased double row closed deep groove ball bearing with spherical roller, has reached the installation of being convenient for when full complement deep groove ball bearing moreover, and bearing oil is lubricated easily, is difficult for the purpose of the oil leakage.

The part of the utility model not detailed is prior art.

Claims (4)

1. The utility model provides a double-row closed deep groove ball bearing's outer lane, characterized by: including the lantern ring (3) and ring body (10), be equipped with arc cross section annular B (6) respectively in the inner wall of the ring body (11) both sides of ring body (10), lantern ring inner wall (5) that lantern ring (3) were equipped with are one side flaring neck one side necking down, the contained angle that flaring neck one side of lantern ring inner wall (5) and lantern ring (3) terminal surface that are located lantern ring inner wall (5) flaring neck one side formed is 45 degrees, necking down one side tip at lantern ring inner wall (5) is equipped with arc cross section annular A (4), lantern ring (3) are two and relative setting, two lantern rings (3) utilize the terminal surface of two lantern ring inner wall (5) necking down ends and the both ends face rigid coupling of ring body (10), two arc cross section annular A (4) form two half arc cross section annular (7) after being connected with two arc cross section annular B (6) respectively.

2. The outer race of a double row closed deep groove ball bearing as claimed in claim 1, wherein: the axle center interval that encircles lantern ring (3) between the both ends face at lantern ring (3) outside border is equipped with a plurality of perforation (1), is equipped with a plurality of screwed holes (9) that correspond with perforation (1) at the axle center interval that encircles ring body (10) between the both ends face that lies in ring body (10) outside border, and the both ends spiro union with a plurality of screws (2) of perforation (1) quantity assorted that two lantern rings (3) were equipped with passes behind a plurality of perforation (1) that two lantern rings (3) were equipped with respectively and a plurality of screwed holes (9).

3. The outer race of a double row closed deep groove ball bearing as claimed in claim 2, wherein: the end part of the through hole (1) positioned on the neck expanding side of the inner wall (5) of the lantern ring is provided with a neck expanding (12), and the screw cap arranged on the screw (2) is positioned in the neck expanding (12).

4. The outer race of a double row closed deep groove ball bearing as claimed in claim 1, wherein: the outer ring outer wall (8) formed after the two lantern rings (3) and the ring body (10) are connected is of an annular plane structure.

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