CN217421864U

CN217421864U - Double-row closed deep groove ball bearing

Info

Publication number: CN217421864U
Application number: CN202221157834.XU
Authority: CN
Inventors: 王献伟; 刘华舟
Original assignee: Luoyang Hoopclient Bearing Co ltd
Current assignee: Luoyang Hoopclient Bearing Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-13
Anticipated expiration: 2032-05-16

Abstract

A double-row closed deep groove ball bearing relates to a double-row deep groove bearing, wherein an outer ring is sleeved outside an inner ring, a semi-arc section ring groove B (12) and a semi-arc section ring groove A (8) limit a group of closely arranged spherical rollers (9) at one side between the outer ring and the inner ring, and another semi-arc section ring groove B (12) and a semi-arc section ring groove C (19) limit another group of closely arranged spherical rollers (9) at the other side between the outer ring and the inner ring; the utility model discloses a set up the opposite face both sides of outer lane and inner circle all to the utility model discloses an axle center slope, the semicircle cross-section annular B that forms after two lantern rings and ring body are connected and the semicircle cross-section annular A that the inner circle was equipped with, semicircle cross-section annular C restrict two sets of spherical roller between outer lane and inner circle, have reached the utility model discloses the easy lubricated and difficult mesh of running oil of bearing oil behind the full complement of spherical roller.

Description

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.

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 biserial closed deep groove ball bearing sets up to all through the opposite face both sides with outer lane and inner circle to the utility model discloses an axle center slope, the semicircle cross-section annular B that forms behind two lantern rings and the ring body connection and the semicircle cross-section annular A that the inner circle was equipped with, semicircle cross-section annular C restrict two sets of spherical roller between outer lane and inner circle, reached the utility model discloses the easy lubricated and difficult mesh of running oil of bearing oil behind full complement of spherical roller.

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

a double-row closed deep groove ball bearing comprises an outer ring, a spherical roller 9 and an inner ring, wherein the outer ring comprises a lantern ring 3 and a ring body 22, a ring cavity 24 is arranged in the ring body 22, two sides of the inner wall 20 of the ring body 22 are respectively provided with an arc-shaped section ring groove B11, the inner wall 5 of the lantern ring 3 is a neck on one side of one side, an included angle formed by the neck on one side of the inner wall 5 of the lantern ring and the end surface of the lantern ring 3 on the neck on one side of the inner wall 5 of the lantern ring is 45 degrees, the end part of the neck on one side of the inner wall 5 of the lantern ring is provided with an arc-shaped section ring groove A4, the inner ring comprises a half inner ring A6 and a half inner ring B15, the left end of the outer wall A16 of the half inner ring A6 is provided with a10, the included angle between the neck A10 and the left end surface of the half inner ring A6 is 135 degrees, the middle part of the outer wall A16 of the half inner ring is provided with a half arc-shaped section ring groove A8, the right end of the outer wall B17 of the half inner ring B15 is provided with a neck B21, the right end of the neck B21 and the right end of the half inner ring B15 are 135 degrees, a semi-circular section ring groove C19 is arranged in the middle of the outer wall B17 of the semi-inner ring, the outer ring is sleeved outside the inner ring, spherical rollers 9 are respectively fully arranged in the semi-arc section ring groove A8 and the semi-arc section ring groove C19, the right end of the semi-inner ring A6 and the left end of the semi-inner ring B15 respectively extend into the ring cavity 24 along two sides of the ring body 22 and then are contacted, two lantern rings 3 are oppositely arranged, the two lantern rings 3 are fixedly connected with two end faces of the ring body 22 by utilizing the end faces of the necking ends of the inner walls 5 of the two lantern rings, the two arc section ring grooves A4 are respectively connected with the two arc section ring grooves B11 to form two semi-arc section ring grooves B12, one semi-arc section ring groove B12 and one semi-arc section ring groove A8 limit one group of the spherical rollers 9 which are closely arranged on one side between the outer ring and the inner ring, and the other semi-arc section ring groove B12 and the semi-arc section ring groove C19 limit the other group of the spherical rollers 9 which are closely arranged on the other side between the outer ring and the inner ring.

In the double-row closed deep groove ball bearing, one part of a group of closely arranged spherical rollers 9 is contacted with the groove wall of a semi-arc section ring groove A8, and the other part of the group of closely arranged spherical rollers 9 is contacted with the groove wall of a semi-arc section ring groove B12; one part of the other set of closely-arranged spherical rollers 9 is in contact with the groove wall of the semi-arc section ring groove C19, and the other part of the other set of closely-arranged spherical rollers 9 is in contact with the groove wall of the other semi-arc section ring groove B12.

In the double-row closed deep groove ball bearing, one lantern ring inner wall 5 is in clearance fit with the necking A10, and the other lantern ring inner wall 5 is in clearance fit with the necking B21.

The sections of the double-row closed deep groove ball bearing, the semi-arc section ring groove A8, the semi-arc section ring groove B12 and the semi-arc section ring groove C19 are respectively the same as the curvature of the spherical roller 9.

The double-row closed deep groove ball bearing is characterized in that a plurality of through holes 1 are formed between two end faces of the outer edge of the lantern ring 3 at intervals around the axis of the lantern ring 3, a plurality of screw through holes 14 corresponding to the through holes 1 are formed between two end faces of the outer edge of the lantern ring 22 at intervals around the axis of the lantern ring 22, and a plurality of screws 2 matched with the through holes 1 formed in the two lantern rings 3 in number are screwed with two ends of the screw through holes 14 after penetrating through the through holes 1 formed in the two lantern rings 3 respectively.

The double-row closed deep groove ball bearing is characterized in that a neck-expanding 23 is arranged at the end part of a through hole 1 positioned on the neck-expanding side of the inner wall 5 of the lantern ring, and a nut arranged on a screw 2 is positioned in the neck-expanding 23.

The double-row closed deep groove ball bearing is characterized in that a protruding ring 18 is arranged on the right end face of a half inner ring A6, an annular groove 25 is arranged on the left end face of a half inner ring B15, and the protruding ring 18 is arranged in the annular groove 25.

The outer ring outer wall 13 of the double-row closed deep groove ball bearing is of an annular plane structure.

The inner ring inner wall 7 of the double-row closed deep groove ball bearing is of an annular plane structure.

The double-row closed deep groove ball bearing is characterized in that chamfers are arranged between the inner wall 7 of the inner ring and two end faces of the inner ring respectively to be excessive.

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

the double-row closed deep groove ball bearing, through setting the opposite face both sides of the outer ring and the inner ring to the axis inclination of the utility model, the semi-circular cross section ring groove B formed after the connection of the two lantern rings and the ring body and the semi-circular cross section ring groove A and the semi-circular cross section ring groove C which are arranged on the inner ring limit two groups of spherical rollers between the outer ring and the inner ring, not only the outer ring and the inner ring increase the contact surface with the spherical rollers, but also the axial and radial bearing capacity of the utility model is increased, and the purpose that the bearing oil is easy to lubricate and is not easy to run oil after the spherical rollers are fully installed is achieved; the utility model relates to an ingenious, bearing capacity is strong, long-term consumption reduction, 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 perspective view of the ring body of the present invention;

fig. 5 is a schematic perspective view of a half inner ring a of the present invention;

fig. 6 is a schematic perspective view of the half inner ring B 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. a half inner ring A; 7. the inner wall of the inner ring; 8. a semicircular arc section ring groove A; 9. a spherical roller; 10. necking down A; 11. an arc-shaped section ring groove B; 12. a semicircular arc section ring groove B; 13. the outer wall of the outer ring; 14. a threaded through hole; 15. a half inner ring B; 16. the outer wall A of the half inner ring; 17. the outer wall B of the half inner ring; 18. a projecting ring; 19. a semicircular arc section ring groove C; 20. an inner wall of the ring body; 21. necking down B; 22. a ring body; 23. expanding the neck; 24. an annular cavity; 25. an annular groove.

Detailed Description

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

the double-row closed deep groove ball bearing described by combining the attached figures 1 to 6 comprises an outer ring, a spherical roller 9 and an inner ring, wherein the outer ring comprises a lantern ring 3 and a ring body 22, a ring cavity 24 is arranged in the ring body 22, two sides of the inner ring wall 20 of the ring body 22 are respectively provided with an arc-shaped section ring groove B11, the inner ring wall 5 arranged on the lantern ring 3 is one side of a neck-expanding side and one side of a neck-contracting side, an included angle formed by the neck-expanding side of the inner ring wall 5 and the end surface of the lantern ring 3 positioned on the neck-expanding side of the inner ring wall 5 of the lantern ring is 45 degrees, the end part of the neck-contracting side of the inner ring wall 5 is provided with an arc-shaped section ring groove A4, the inner ring comprises a half inner ring A6 and a half inner ring B15, the left end of the outer wall A16 of the half inner ring A6 is provided with a neck A10, the included angle between the A10 and the left end surface of the half inner ring A6 is 135 degrees, the middle part of the outer wall A16 is provided with a half arc-shaped section ring groove A8, the right end of the half inner ring B17 of the half inner ring B15 is provided with a neck B21, the included angle between the necking B21 and the right end face of the half inner ring B15 is 135 degrees, a semi-circular arc section ring groove C19 is arranged in the middle of the outer wall B17 of the half inner ring, the outer ring is sleeved outside the inner ring, spherical rollers 9 are respectively fully arranged in the semi-circular arc section ring groove A8 and the semi-circular arc section ring groove C19, the right end of the half inner ring A6 and the left end of the half inner ring B15 are respectively extended into the ring cavity 24 along two sides of the ring body 22 and then contacted, a bulge ring 18 is arranged on the right end face of the half inner ring A6, an annular groove 25 is arranged on the left end face of the half inner ring B15, the bulge ring 18 is arranged in the annular groove 25, the lantern rings 3 are arranged oppositely, the end faces of the necking ends of the inner walls 5 of the lantern rings are fixedly connected with the two end faces of the ring body 22, the two arc section ring groove A4 are respectively connected with the two arc section ring groove B11 to form two half arc section ring groove B12, one side of the two half arc section ring groove B12 and the semi-circular arc section groove A8 limit a group of the tightly arranged spherical rollers on one side of the outer ring between the outer ring and the outer ring of the outer ring, the other semi-arc section ring groove B12 and the semi-arc section ring groove C19 limit the other group of closely arranged spherical rollers 9 at the other side between the outer ring and the inner ring, one part of one group of closely arranged spherical rollers 9 is contacted with the groove wall of the semi-arc section ring groove A8, and the other part of one group of closely arranged spherical rollers 9 is contacted with the groove wall of one semi-arc section ring groove B12; one part of another group of closely arranged spherical rollers 9 is contacted with the groove wall of a semi-arc section ring groove C19, the other part of another group of closely arranged spherical rollers 9 is contacted with the groove wall of another semi-arc section ring groove B12, one lantern ring inner wall 5 is in clearance fit with a necking A10, the other lantern ring inner wall 5 is in clearance fit with a necking B21, the sections of the semi-arc section ring groove A8, the semi-arc section ring groove B12 and the semi-arc section ring groove C19 are respectively the same with the curvature of the spherical rollers 9, a plurality of through holes 1 are arranged between the two end surfaces of the outer edge of the lantern ring 3 at intervals around the axle center of the lantern ring 3, a plurality of through holes 14 corresponding to the through holes 1 are arranged between the two end surfaces of the outer edge of the lantern ring 22 at intervals around the axle center of the lantern ring 22, a plurality of screws 2 matched with the number of the through holes 1 arranged on the two lantern rings 3 are respectively threaded with the two ends of the plurality of the through holes 14, the end part of the through hole 1 positioned on one side of the neck expansion of the inner wall 5 of the lantern ring is provided with a neck expansion 23, a nut arranged on the screw 2 is positioned in the neck expansion 23, the outer wall 13 of the outer ring is of an annular plane structure, the inner wall 7 of the inner ring is of an annular plane structure, and chamfers are arranged between the inner wall 7 of the inner ring and the two end faces of the inner ring respectively.

Implement double-row closed deep groove ball bearing, during the use, spherical roller 9 after will scribbling bearing oil fully adorns in semi-circular arc cross-section annular A8 and semi-circular arc cross-section annular C19, make the partly of each spherical roller 9 cross-section in a set of spherical roller 9 contact with the cell wall of semi-circular arc cross-section annular A8 respectively, the partly of each spherical roller 9 cross-section in another set of spherical roller 9 contacts with the cell wall of semi-circular arc cross-section annular C19 respectively, stretch into ring cavity 24 back along the both sides of ring body 22 respectively with the right-hand member of the semi-inner circle A6 that will be equipped with spherical roller 9 and the left end of semi-inner circle B15 and contact, utilize the terminal surface of two lantern ring inner walls 5 necking end and the both ends for screw 2 rigid coupling of ring body 22 to two lantern ring cross-section A4, form two half circular arc cross-section annular B12 after connecting with two arc cross-section annular B11 respectively, a set of closely arranged spherical roller 9 is restricted outside with a semi-arc cross-circular arc cross-section annular B12 and semi-arc cross-arc annular A8 The other semi-arc section ring groove B12 and the semi-arc section ring groove C19 limit the other group of closely arranged spherical rollers 9 at the other side between the outer ring and the inner ring at one side between the ring and the inner ring, one part of one group of closely arranged spherical rollers 9 is contacted with the groove wall of the semi-arc section ring groove A8, and the other part of one group of closely arranged spherical rollers 9 is contacted with the groove wall of one semi-arc section ring groove B12; one part of another group of closely arranged spherical rollers 9 is contacted with the groove wall of the semi-arc section ring groove C19, the other part of another group of closely arranged spherical rollers 9 is contacted with the groove wall of another semi-arc section ring groove B12, one lantern ring inner wall 5 is in clearance fit with the necking A10, the other lantern ring inner wall 5 is in clearance fit with the necking B21, because the included angle formed by the neck-expanded side of the inner wall 5 of the lantern ring and the end face of the lantern ring 3 positioned on the neck-expanded side of the inner wall 5 of the lantern ring is 45 degrees, the included angle between the necking A10 and the left end face of the half inner ring A6 is 135 degrees, and the included angle between the necking B21 and the right end face of the half inner ring B15 is 135 degrees, therefore, in the operation of the utility model, the bearing oil can not be thrown out from between the outer ring and the inner ring, not only the contact surface between the outer ring and the inner ring and the spherical roller 9 is increased, the axial and radial bearing capacity of the utility model is increased, and reached the utility model discloses the easy lubricated and difficult oily purpose of running of spherical roller 9 back bearing oil is filled up.

The detailed part of the utility model is the prior art.

Claims

1. A double-row closed deep groove ball bearing is characterized in that: the ball-shaped roller bearing comprises an outer ring, a spherical roller (9) and an inner ring, wherein the outer ring comprises a lantern ring (3) and a ring body (22), a ring cavity (24) is arranged in the ring body (22), arc-shaped section ring grooves B (11) are respectively arranged on two sides of the inner wall (20) of the ring body (22), the inner wall (5) of the lantern ring (3) is one-side neck-expanding and one-side neck-reducing, an included angle formed by one neck-expanding side of the inner wall (5) of the lantern ring and the end face of the lantern ring (3) positioned on one neck-expanding side of the inner wall (5) of the lantern ring is 45 degrees, an arc-shaped section ring groove A (4) is arranged at the end part of one neck-reducing side of the inner wall (5) of the lantern ring, the inner ring comprises a half inner ring A (6) and a half inner ring B (15), a neck A (10) is arranged at the left end of the outer wall A (16) of the half inner ring, an included angle between the neck A (10) and the left end face of the half inner ring A (6) is 135 degrees, a half arc-shaped section ring groove A (8) is arranged in the middle part of the outer wall A (16) of the half inner ring, a necking B (21) is arranged at the right end of a half inner ring outer wall B (17) of a half inner ring B (15), an included angle between the necking B (21) and the right end face of the half inner ring B (15) is 135 degrees, a semi-arc section ring groove C (19) is arranged in the middle of the half inner ring outer wall B (17), an outer ring is sleeved outside the inner ring, spherical rollers (9) are respectively fully arranged in the semi-arc section ring groove A (8) and the semi-arc section ring groove C (19), the right end of the half inner ring A (6) and the left end of the half inner ring B (15) respectively extend into a ring cavity (24) along two sides of a ring body (22) to be contacted, two lantern rings (3) are oppositely arranged, the end faces of the necking ends of the two lantern ring inner walls (5) and two end faces of the ring body (22) are fixedly connected, the two arc section ring grooves A (4) are respectively connected with the two arc section ring grooves B (11) to form a two half arc section ring groove B (12), one semi-arc section ring groove B (12) and one semi-arc section ring groove A (8) limit one group of spherical rollers (9) which are closely arranged at one side between the outer ring and the inner ring, and the other semi-arc section ring groove B (12) and the other semi-arc section ring groove C (19) limit the other group of spherical rollers (9) which are closely arranged at the other side between the outer ring and the inner ring.

2. The double row closed deep groove ball bearing of claim 1, wherein: one part of a group of closely arranged spherical rollers (9) is contacted with the groove wall of the semi-arc section ring groove A (8), and the other part of the group of closely arranged spherical rollers (9) is contacted with the groove wall of one semi-arc section ring groove B (12); one part of the other group of closely arranged spherical rollers (9) is contacted with the groove wall of the semi-arc section ring groove C (19), and the other part of the other group of closely arranged spherical rollers (9) is contacted with the groove wall of the other semi-arc section ring groove B (12).

3. The double row closed deep groove ball bearing of claim 1, wherein: one collar inner wall (5) is in clearance fit with the constriction A (10), and the other collar inner wall (5) is in clearance fit with the constriction B (21).

4. The double row closed deep groove ball bearing of claim 1, wherein: the sections of the semi-arc section ring groove A (8), the semi-arc section ring groove B (12) and the semi-arc section ring groove C (19) are respectively the same as the curvatures of the spherical rollers (9).

5. The double row closed deep groove ball bearing of 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 (14) that correspond with perforation (1) at the axle center interval that encircles ring body (22) between the both ends face that lies in ring body (22) 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 (14).

6. The double row closed deep groove ball bearing of claim 5, 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 (23), and the screw cap arranged on the screw (2) is positioned in the neck expanding (23).

7. The double row closed deep groove ball bearing as claimed in claim 1, wherein: a protruding ring (18) is arranged on the right end face of the half inner ring A (6), an annular groove (25) is arranged on the left end face of the half inner ring B (15), and the protruding ring (18) is arranged in the annular groove (25).

8. The double row closed deep groove ball bearing of claim 1, wherein: the outer ring outer wall (13) arranged on the outer ring is of an annular plane structure.

9. The double row closed deep groove ball bearing of claim 1, wherein: the inner ring inner wall (7) arranged on the inner ring is of an annular plane structure.

10. The double row closed deep groove ball bearing of claim 9, wherein: and chamfer transition is respectively arranged between the inner wall (7) of the inner ring and the two end surfaces of the inner ring.