CN217401445U - High-bearing-capacity deep groove ball bearing stable in operation - Google Patents

Abstract

A high bearing capacity deep groove ball bearing with stable operation relates to a deep groove ball bearing, wherein a plurality of spherical rings (9) are connected end to form an annular structure in an outward mode of spherical ring inner walls (24), a plurality of vertical rods (8) arranged on each spherical ring (9) form the annular structure, an inner ring (22) is arranged in an outer ring, a projecting ring (19) is arranged in an annular groove, spherical rollers (13) with the same number as the spherical rings (9) are limited between an inner arc ring groove and an outer arc ring groove (21) by a retainer, and the outer walls of the plurality of spherical rollers (13) are respectively contacted with the inner arc ring groove and the outer arc ring groove (21); the utility model discloses a set up the outer lane into separable structure, will be used for restricting the interval between the spherical ring of spherical roller and shorten, played the spherical roller quantity improvement bearing capacity that increases between the interior outer lane, increased the sealed effect between the interior outer lane and strengthened lubricated purpose.

Description

High-bearing-capacity deep groove ball bearing stable in operation

Technical Field

The utility model relates to a deep groove ball bearing especially relates to a high bearing capacity deep groove ball bearing that operates stably.

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 winding mechanism of the lithium battery winding machine is an important component of the lithium battery winding equipment, has great influence on the quality and the service life of a battery, and has important significance on the stable operation of the winding mechanism of the lithium battery winding machine by selecting a high-quality and stable deep groove ball bearing with high bearing capacity. Due to the limitation of the manufacturing process of the traditional deep groove ball bearing, a large distance needs to be set between a plurality of ball bearings arranged between an inner ring and an outer ring, so that the bearing capacity of the whole deep groove ball bearing is reduced, and the stability of a winding mechanism of a lithium battery winding machine is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough in the background art, the utility model discloses a high bearing capacity deep groove ball bearing that operation is stable through setting up the outer lane into separable structure, will be used for restricting the interval between the spherical ring of spherical roller and shorten, has played the spherical roller quantity improvement bearing capacity that increases between the inner and outer lane, has increased the sealed effect between the inner and outer lane and has strengthened lubricated purpose.

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

a high-bearing capacity deep groove ball bearing stable in operation comprises an outer ring, a retainer, a spherical roller and an inner ring, wherein the outer ring comprises an outer ring A and an outer ring B, an annular half groove A is arranged at the inner edge of the bottom surface of the outer ring A, an annular half groove B is arranged at the notch of the inner edge of the annular half groove A, an arc-shaped annular groove A is arranged at the joint of the annular half groove B and the annular half groove A, an annular half groove C is arranged at the inner edge of the bottom surface of the outer ring B, an arc-shaped annular groove B is arranged at the notch of the annular half groove C, the outer ring B is arranged in the annular half groove A, the annular half groove B and the annular half groove C are connected to form an annular groove, the arc-shaped annular groove A and the arc-shaped annular groove B are connected to form an inner arc-shaped annular groove, the outer ring inner wall A arranged on the outer ring A and the outer ring inner wall B arranged on the outer ring B form an outer ring inner wall, the retainer comprises spherical rings, and the plurality of the spherical rings are connected end to end in an outward mode to form an annular structure, a plurality of vertical rods are arranged on the ring end face, located on the outer edge of the retainer, of each spherical ring at intervals respectively, the vertical rods arranged on each spherical ring form an annular structure, a protruding ring is arranged in the middle of the outer wall of an inner ring, an outer arc ring groove is arranged in the middle of the outer edge of the protruding ring, the inner ring is arranged in the outer ring, the protruding ring is arranged in the annular groove, the spherical rollers with the same number as the spherical rings are limited between the inner arc ring groove and the outer arc ring groove by the retainer, and the outer walls of the spherical rollers are in contact with the inner arc ring groove and the outer arc ring groove respectively.

The high-bearing-capacity deep groove ball bearing stable in operation is characterized in that a plurality of vertical rods arranged on each spherical ring are formed into an annular structure, the inner edge of each annular structure is the same as the diameter of each spherical roller, a protruding point is arranged at the position, located at the inner edge of each annular structure, in the middle of each vertical rod, each spherical roller with the same number as the spherical rings is sleeved in each spherical ring after the end part, surrounded into the annular structure, of each vertical rod, slides over the protruding point, and the outer walls of the plurality of spherical rollers are respectively contacted with the inner wall of each spherical ring.

The high-bearing-capacity deep groove ball bearing stable in operation is characterized in that a plurality of through holes are formed between two end faces of the outer edge of the outer ring B at intervals around the axis of the outer ring B, a plurality of blind screw holes are formed in the positions, corresponding to the through holes, of the groove bottom of the annular half groove A, and a plurality of screws penetrate through the through holes and then are in threaded connection with the blind screw holes.

The high-bearing-capacity deep groove ball bearing stable in operation is characterized in that a flared neck is arranged at the opening part of a through hole in the other bottom surface of the outer ring B, and a screw cap arranged on a screw is positioned in the flared neck.

The high-bearing capacity deep groove ball bearing with stable operation is characterized in that connecting columns are respectively arranged among a plurality of spherical rings forming the retainer.

The outer edge of the retainer and the groove bottom of the annular groove are in clearance fit, and the inner edge of the retainer and the outer edge of the protruding ring are in clearance fit.

The inner wall of the outer ring and the outer wall of the inner ring of the high-bearing-capacity deep groove ball bearing which runs stably are in clearance fit.

The high-bearing-capacity deep groove ball bearing stable in operation is in clearance fit between the side wall of the annular groove and the side wall of the protruding ring.

The high-bearing-capacity deep groove ball bearing stable in operation is characterized in that the outer wall of the outer ring is of an annular plane structure, and chamfer transition is arranged between the outer wall of the outer ring and two end faces of the outer ring.

The inner ring inner wall of the inner ring is of an annular plane structure.

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

the high bearing capacity deep groove ball bearing with stable operation of the utility model shortens the distance between the spherical rings used for limiting the spherical roller by setting the outer ring into a separable structure, thereby achieving the purposes of increasing the number of the spherical rollers between the inner ring and the outer ring, improving the bearing capacity, increasing the sealing effect between the inner ring and the outer ring and strengthening the lubrication; the utility model relates to a rationally, bearing capacity is strong, simple to operate, lubricated effectual, has very big market spreading value.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the retainer of the present invention;

FIG. 3 is a schematic structural diagram of an outer ring A of the present invention;

fig. 4 is a schematic structural diagram of an outer ring B of the present invention;

fig. 5 is a schematic structural view of the inner ring of the present invention.

In the figure: 1. the outer wall of the outer ring; 2. an annular half groove A; 3. a screw; 4. an arc-shaped ring groove A; 5. an outer ring A; 6. an annular half groove B; 7. protruding points; 8. erecting a rod; 9. a spherical ring; 10. an outer ring inner wall A; 11. connecting columns; 12. the inner wall of the inner ring; 13. a spherical roller; 14. expanding the neck; 15. perforating; 16. an arc-shaped ring groove B; 17. an annular half groove C; 18. an outer ring B; 19. a projecting ring; 20. an outer ring inner wall B; 21. an outer arc ring groove; 22. an inner ring; 23. the outer wall of the inner ring; 24. the inner wall of the spherical ring; 25. blind screw holes.

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 high bearing capacity deep groove ball bearing with stable operation described in conjunction with fig. 1-5 comprises an outer ring, a retainer, a spherical roller 13 and an inner ring 22, wherein the outer ring comprises an outer ring A5 and an outer ring B18, an annular half groove a2 is arranged at the inner edge of one bottom surface of the outer ring A5, an annular half groove B6 is arranged at the notch of the inner edge of the annular half groove a2, an arc-shaped ring groove A4 is arranged at the joint of the annular half groove B6 and the annular half groove a2, an annular half groove C17 is arranged at the inner edge of one bottom surface of the outer ring B18, an arc-shaped ring groove B16 is arranged at the notch of the annular half groove C17, the outer ring B18 is arranged in the annular half groove a2, the annular half groove B6 and the annular half groove C17 are connected to form an annular groove, an inner arc-shaped ring groove is formed after the arc-shaped ring groove A4 and the arc-shaped ring groove B16 are connected to form an inner arc-shaped ring groove, the inner wall a10 of the outer ring a provided with the outer ring a inner wall a10 and a outer ring B18, a plurality of outer ring 18 are arranged around the through hole edges at intervals between the two end faces of the outer ring B18, a plurality of blind screw holes 25 are arranged at the positions corresponding to the through holes 15 at the groove bottom of the annular half groove A2, a plurality of screws 3 are screwed with the blind screw holes after passing through the through holes 15, a neck expanding 14 is arranged at the opening part of the through hole 15 at the other bottom surface of the outer ring B18, nuts arranged on the screws 3 are positioned in the neck expanding 14, the retainer comprises spherical rings 9, the spherical rings 9 are connected end to end in a mode that the inner walls 24 of the spherical rings are outward to form an annular structure, connecting columns 11 are respectively arranged between the spherical rings 9 forming the retainer, a plurality of upright posts 8 are respectively arranged at intervals on the ring end surface of each spherical ring 9 at the outer edge of the retainer, a plurality of upright posts 8 arranged on each spherical ring 9 form an annular structure, the inner edge of the annular structure formed by the upright posts 8 arranged on each spherical ring 9 has the same diameter as the spherical rollers 13, a convex point 7 is arranged at the position of the middle part of each upright post 8 at the inner edge of the annular structure, the spherical rollers 13 with the same number as the spherical rings 9 are respectively sleeved in the spherical rings 9 after sliding through the convex points 7 along the end parts of the annular structures surrounded by the upright rods 8 arranged on each spherical ring 9, the outer walls of the spherical rollers 13 are respectively contacted with the inner wall 24 of the spherical ring, the middle part of the outer wall 23 of the inner ring 22 is provided with a convex ring 19, the middle part of the outer edge of the convex ring 19 is provided with an outer arc ring groove 21, the inner ring 22 is arranged in the outer ring, the convex ring 19 is arranged in the annular groove, the spherical rollers 13 with the same number as the spherical rings 9 are limited between the inner arc ring groove and the outer arc ring groove 21 by the retainer, the outer walls of the spherical rollers 13 are respectively contacted with the inner arc ring groove and the outer arc ring groove 21, the outer edge of the retainer is in clearance fit with the groove bottom of the annular groove, the inner edge of the retainer is in clearance fit with the outer edge of the convex ring 19, and the outer wall of the outer ring 23 is in clearance fit, the side wall of the annular groove is in clearance fit with the side wall of the bulge ring 19, the outer ring outer wall 1 of the outer ring is of an annular plane structure, chamfer transition is arranged between the outer ring outer wall 1 of the outer ring and two end faces of the outer ring, and the inner ring inner wall 12 of the inner ring 22 is of an annular plane structure.

The implementation of the high bearing capacity deep groove ball bearing with stable operation of the utility model, when in use, the retainer sleeve is arranged outside the convex ring 19 arranged on the inner ring 22, the spherical roller 13 is smeared with bearing oil and then put into the spherical ring 9 along the end part of the annular structure enclosed between the upright rods 8 arranged on the spherical ring 9, the inner wall 24 of the spherical ring arranged on the spherical ring 9 is contacted with the outer wall of the spherical roller 13, the arrangement of a plurality of convex points 7 can effectively prevent the spherical roller 13 from separating, the spherical rollers 13 are respectively arranged in the plurality of spherical rings 9 arranged on the retainer, the outer walls of the plurality of spherical rollers 13 are respectively contacted with the outer arc ring groove 21, at this moment, the retainer is limited outside the inner ring 22 under the block of the spherical roller 13, the outer ring A5 is sleeved outside the inner ring 22 provided with the spherical roller 13, the outer ring A4 is contacted with the outer wall of the spherical roller 13, the outer ring B18 is arranged in the annular half groove A2, the arc-shaped ring groove B16 is contacted with the outer wall of the spherical roller 13, the annular half groove B6 is connected with the annular half groove C17 to form an annular groove, the arc-shaped ring groove A4 is connected with the arc-shaped ring groove B16 to form an inner arc-shaped ring groove, the outer wall of the spherical roller 13 is respectively contacted with the inner arc-shaped ring groove and the outer arc-shaped ring groove 21, a plurality of screws 3 are screwed with a plurality of blind screw holes after passing through a plurality of through holes 15, clearance fit is formed between the outer edge of the retainer and the groove bottom of the annular groove, clearance fit is formed between the inner edge of the retainer and the outer edge of the bulge ring 19, clearance fit is formed between the inner wall of the outer ring and the outer wall 23 of the inner ring, clearance fit is formed between the side wall of the annular groove and the side wall of the bulge ring 19, and the retainer is firstly sleeved outside the inner ring 22 and then outside the retainer, so the distance between the spherical rings 9 of the spherical roller 13 can be much shorter than that of the conventional deep groove ball bearing, therefore, a plurality of spherical rollers 13 are correspondingly arranged, the distance between the inner wall of the outer ring and the outer wall 23 of the inner ring can be set to be very small, and the purposes of increasing the number of the spherical rollers 13 between the inner ring and the outer ring, improving the bearing capacity and increasing the sealing effect between the inner ring and the outer ring and strengthening the lubrication are achieved.

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

Claims (10)

1. The utility model provides a high bearing capacity deep groove ball bearing of stable operation which characterized by: comprises an outer ring, a retainer, spherical rollers (13) and an inner ring (22), wherein the outer ring comprises an outer ring A (5) and an outer ring B (18), an annular half groove A (2) is arranged at the inner edge of one bottom surface of the outer ring A (5), an annular half groove B (6) is arranged at the notch of the inner edge of the annular half groove A (2), an arc-shaped annular groove A (4) is arranged at the joint of the annular half groove B (6) and the annular half groove A (2), an annular half groove C (17) is arranged at the inner edge of one bottom surface of the outer ring B (18), an arc-shaped annular groove B (16) is arranged at the notch of the annular half groove C (17), the outer ring B (18) is arranged in the annular half groove A (2), an annular groove is formed after the annular half groove B (6) and the annular half groove C (17) are connected, an inner annular groove is formed after the arc-shaped annular groove A (4) and the arc-shaped annular groove B (16) are connected, an outer ring inner wall A (10) arranged on the outer ring A (5) and an outer ring inner wall B (20) on the outer ring B (18) are formed, the retainer comprises spherical rings (9), the spherical rings (9) are connected end to end in an outward mode according to spherical ring inner walls (24) to form an annular structure, a plurality of vertical rods (8) are arranged on the ring end face of each spherical ring (9) located at the outer edge of the retainer at intervals respectively, the vertical rods (8) arranged on each spherical ring (9) form an annular structure, a protruding ring (19) is arranged in the middle of the outer wall (23) of an inner ring (22), an outer arc ring groove (21) is arranged in the middle of the outer edge of the protruding ring (19), the inner ring (22) is arranged in the outer ring, the protruding ring (19) is arranged in the annular groove, spherical rollers (13) with the same number as the spherical rings (9) are limited between the inner arc ring groove and the outer arc ring groove (21) by the retainer, and the outer walls of the spherical rollers (13) are respectively contacted with the inner arc ring groove and the outer arc ring groove (21).

2. The operationally stable high capacity deep groove ball bearing of claim 1, further comprising: the diameters of the inner edge of an annular structure formed by a plurality of vertical rods (8) arranged on each spherical ring (9) and the spherical rollers (13) are the same, the part of the middle part of each vertical rod (8) positioned at the inner edge of the annular structure is provided with a convex point (7), the spherical rollers (13) with the same number as the spherical rings (9) are respectively sleeved in the spherical rings (9) after the end part which is enclosed into the annular structure by the plurality of vertical rods (8) arranged on each spherical ring (9) slides over the convex point (7), and the outer walls of the plurality of spherical rollers (13) are respectively contacted with the inner walls (24) of the spherical rings.

3. The operationally stable high capacity deep groove ball bearing of claim 1, further comprising: a plurality of through holes (15) are arranged between two end faces of the outer edge of the outer ring B (18) at intervals around the axis of the outer ring B (18), a plurality of blind screw holes (25) are arranged at positions, corresponding to the through holes (15), of the groove bottom of the annular half groove A (2), and a plurality of screws (3) are screwed with the blind screw holes after penetrating through the through holes (15).

4. The operationally stable high capacity deep groove ball bearing of claim 3, further comprising: the mouth of the through hole (15) positioned on the other bottom surface of the outer ring B (18) is provided with a flared neck (14), and the nut arranged on the screw (3) is positioned in the flared neck (14).

5. The operationally stable high capacity deep groove ball bearing of claim 1, further comprising: connecting columns (11) are respectively arranged among the spherical rings (9) forming the retainer.

6. The operationally stable high capacity deep groove ball bearing of claim 1, further comprising: the outer edge of the retainer is in clearance fit with the groove bottom of the annular groove, and the inner edge of the retainer is in clearance fit with the outer edge of the protruding ring (19).

7. The operationally stable high-bearing deep groove ball bearing of claim 1, wherein: the inner wall of the outer ring and the outer wall (23) of the inner ring are in clearance fit.

8. The operationally stable high capacity deep groove ball bearing of claim 1, further comprising: the side wall of the annular groove and the side wall of the projecting ring (19) are in clearance fit.

9. The operationally stable high capacity deep groove ball bearing of claim 1, further comprising: the outer ring outer wall (1) of the outer ring is of an annular plane structure, and chamfer transition is arranged between the outer ring outer wall (1) of the outer ring and two end faces of the outer ring.

10. The operationally stable high-bearing deep groove ball bearing of claim 1, wherein: the inner ring inner wall (12) of the inner ring (22) is of an annular plane structure.

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