Improved structure of deep groove ball bearing

Abstract

The utility model relates to the technical field of deep groove ball bearings, and discloses an improved structure of a deep groove ball bearing, both sides of the bearing are provided with retainers, each retainer comprises a left side frame and a right side frame, the interiors of the left side frame and the right side frame are uniformly provided with limiting grooves in a circular ring shape, the limiting grooves are matched with balls in shape, and the limiting grooves are matched with the balls in shape. By arranging the structures of the left side frame, the right side frame, the oil cavities and the like, the simple oil injection process is achieved, the oil cavities, the oil storage shell and the lubricating grooves are filled with lubricating oil by opening a plug cover, the plug cover is closed after oil injection is completed, and the oil cavities are filled with lubricating oil. The lubricating oil does not need to be added for many times, the oil cavities are communicated, the oil storage amount of the oil cavities is high, and the effect of long-time lubrication through single-time oil injection is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep groove ball bearing technical field especially relates to a deep groove ball bearing improved structure. BACKGROUND

[0002] Deep groove ball bearing (GB / T276-2003) original name single list centripetal ball bearing, it is the most widely used rolling bearing. Its characteristics are small friction resistance, high speed, can be used on the machine part of bearing radial load or radial and axial combined load, also can be used on the machine part of bearing axial load, for example, small power motor, automobile and tractor gearbox, machine tool gear box, general machine, tool etc.

[0003] The prior art Chinese utility model patent with the application number 2023228144709 discloses an improved deep groove ball bearing. The improved deep groove ball bearing is provided with oil storage shells and oil outlets, and two retainer frames are butted and installed, so that the two oil storage shells are combined to form a closed container. Then, the lubricating oil can be injected through the oil injection needle, which is beneficial to the storage operation of the lubricating oil. When the rollers are moving, the lubricating oil in the oil storage shells can be discharged from the oil outlets to the raceways of the rollers through centrifugal force, so that the rollers can be accurately lubricated, and the waste of lubricating oil is reduced. Moreover, the oil outlet part is designed to be small, the lubrication time is prolonged, and the oil injection cycle is reduced. However, in actual use, it is too cumbersome to add lubricating oil to the oil storage shells in the retainer frames. The oil injection needle needs to inject oil into the inside. Since the oil storage shells are not connected to each other, the oil injection needle needs to inject oil into multiple oil storage shells at a time, which is relatively cumbersome. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides an improved structure of a deep groove ball bearing, which has the advantages of convenient installation, convenient oil injection and uniform lubrication, and solves the problems raised in the background art.

[0005] The utility model provides the following technical scheme: an improved structure of a deep groove ball bearing, which comprises a bearing, wherein the bearing comprises an outer sleeve ring, an inner sleeve ring and balls, a sliding channel is formed in the inner ring of the outer sleeve ring and the outer ring of the inner sleeve ring, the balls are uniformly arranged in a circular ring shape between the outer sleeve ring and the inner sleeve ring, the balls are located in the sliding channel, retainer frames are installed on both sides of the bearing, the retainer frames comprise left and right retainer frames, and the outer surfaces of the left and right retainer frames are shaped to match the outer sleeve ring and the inner sleeve ring.

[0006] Through the above structural arrangement, when the device is used, the external dust and water splashing can be avoided from falling on the outer ring of the ball, and the preliminary protection effect is achieved, the oil cavity is arranged in the retainer, so that the ball can continuously obtain lubricating oil from the lubricating groove during work, and when the lubricating oil is supplemented, the plug cover is only opened, and the lubricating oil is added into the oil cavity, without multiple addition.

[0007] Preferably, the left side frame and the right side frame are in a sealed state after being combined, the inside of the left side frame and the right side frame is uniformly provided with a limiting groove in a circular ring shape, the limiting groove and the ball are matched in shape, the inside of the left side frame and the right side frame is fixedly installed with an oil storage shell between the limiting grooves, and the inside of the left side frame and the right side frame is provided with an oil cavity.

[0008] Through the above structural arrangement, the oil cavity is arranged to communicate between the oil storage shell and the lubricating groove, the basic oil storage capacity of the retainer is increased, the use time of the lubricating oil in the retainer is prolonged, and the user does not need to supplement multiple times.

[0009] Preferably, the oil cavity is communicated with the oil storage shell and the limiting groove, the inside of the left side frame and the right side frame is provided with a lubricating groove in the limiting groove, the lubricating groove is an arc groove, the lubricating groove is communicated with the oil cavity, a through groove is arranged between the surface of the left side frame and the right side frame and the oil cavity, the through groove is a conventional oil injection hole, and the plug cover is fixedly installed in the through groove.

[0010] Through the above structural arrangement, the oil cavity is injected by opening the plug cover, the oil cavity, the oil storage shell and the lubricating groove are filled with lubricating oil, the ball can be uniformly coated with lubricating oil on the outer wall of the lubricating groove after rotating, and the service life of the bearing is prolonged.

[0011] Preferably, the inner wall of the lubricating groove is an arc-shaped inner wall, the long axis length of the inner wall of the lubricating groove is longer than that of the limiting groove, and the short axis length of the inner wall of the lubricating groove is shorter than that of the limiting groove.

[0012] Through the above structural arrangement, the lubricating oil can flow in the oil cavity through the lubricating groove, but the ball is limited by the limiting groove and cannot shake in the lubricating groove, so that the ball is limited and the lubricating oil flows conveniently.

[0013] The utility model has the following effects:

[0014] 1. The improved structure of the deep groove ball bearing realizes simple oil injection process through the arrangement of the left side frame, the right side frame and the oil cavity, the oil cavity, the oil storage shell and the lubricating groove are filled with lubricating oil by opening the plug cover, the plug cover is closed after oil injection is completed, the lubricating oil does not need to be added multiple times, the oil cavities are communicated, the oil storage capacity of the oil cavity is high, and the effect of single oil injection and long time lubrication is achieved.

[0015] 2. This deep groove ball bearing features an improved structure. By incorporating an oil reservoir and lubrication grooves, uniform lubrication is achieved. The balls are precisely positioned within the limiting grooves and cannot move further into the lubrication grooves. In general, the lubricating oil can flow through the lubrication grooves into the oil cavity, but the balls are restricted by the limiting grooves and cannot move within them. This design not only limits the balls but also facilitates the flow of lubricating oil from the lubrication grooves into the oil cavity. Furthermore, when lubricating the balls, the lubricating oil is transferred to the slideway through the balls, resulting in uniform lubrication. Attached Figure Description

[0016] Fig. 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Fig. 2 This is an exploded view of the overall structure of this utility model;

[0018] Fig. 3 This is a schematic diagram of the internal structure of the cage of this utility model.

[0019] In the diagram: 1. Bearing; 11. Outer ring; 12. Inner ring; 13. Ball; 2. Cage; 21. Left cage; 22. Right cage; 23. Limiting groove; 24. Oil reservoir; 25. Oil chamber; 26. Lubrication groove; 27. Plug. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figs. 1-2 An improved structure for a deep groove ball bearing includes a bearing 1, which comprises an outer ring 11, an inner ring 12, and balls 13. The inner ring of the outer ring 11 and the outer ring of the inner ring 12 are provided with slideways. Balls 13 are evenly arranged in a circular pattern between the outer ring 11 and the inner ring 12, and are located inside the slideways. Cages 2 are installed on both sides of the bearing 1. The cages 2 include a left cage 21 and a right cage 22. The left cage 21 and the right cage 22 can be fixed together using bolts, rivets, or other structures. The outer surfaces of the left cage 21 and the right cage 22 are adapted to the shape of the outer ring 11 and the inner ring 12.

[0022] When this device is used, it can prevent external dust and water from splashing onto the outer ring of the ball bearing 13, thus providing initial protection. The oil chamber 25 inside the retainer 2 allows the ball bearing 13 to continuously obtain lubricating oil from the lubrication groove 26 during operation. When adding lubricating oil, simply open the plug 27 and add the lubricating oil into the oil chamber 25. There is no need to add it multiple times. The oil chambers 25 are interconnected, and the oil storage capacity of the oil chamber 25 is higher than that of the oil storage shell 24.

[0023] Please see Figs. 1-3 After the left frame 21 and the right frame 22 are combined, they are in a sealed state. The interior of the left frame 21 and the right frame 22 is evenly provided with a ring-shaped limiting groove 23. The limiting groove 23 is adapted to the shape of the ball 13. An oil storage shell 24 is fixedly installed between the limiting groove 23 inside the left frame 21 and the right frame 22. An oil cavity 25 is provided inside the left frame 21 and the right frame 22.

[0024] By opening the oil cavity 25, the oil reservoir 24 and the lubrication groove 26 are connected, increasing the basic oil storage capacity of the cage 2. When lubricating the ball 13, the service time of the lubricating oil inside the cage 2 can be extended, eliminating the need for the user to replenish it multiple times, thus achieving the effect of long-term lubrication with a single oil injection.

[0025] Please see Figs. 1-3 The oil cavity 25 is connected to the oil storage shell 24 and the limiting groove 23. The left side frame 21 and the right side frame 22 are provided with a lubrication groove 26 inside the limiting groove 23. The lubrication groove 26 is an arc groove and is connected to the oil cavity 25. The surface of the left side frame 21 and the right side frame 22 is provided with a through groove between the oil cavity 25 and the surface of the oil cavity 25. The through groove is a conventional oil injection hole and a plug 27 is fixedly installed inside the through groove.

[0026] By opening the plug 27 to inject oil into the oil chamber 25, the oil chamber 25, oil reservoir 24, and lubrication groove 26 are filled with lubricating oil. The plug 27 is used to block the through hole, so that when the device is working, the ball 13 can be evenly coated with lubricating oil on the outer wall of the lubrication groove 26 after rotation, thus extending the service life of the bearing 1.

[0027] Please see Figs. 1-3 The inner wall of the lubrication groove 26 is arc-shaped. The long axis of the inner wall of the lubrication groove 26 is longer than the long axis of the inner wall of the limiting groove 23, and the short axis of the inner wall of the lubrication groove 26 is shorter than the short axis of the inner wall of the limiting groove 23. This makes the ball 13 just stuck inside the limiting groove 23 and unable to move into the lubrication groove 26. In general, the lubricating oil can flow through the lubrication groove 26 inside the oil cavity 25, but the ball 13 is restricted by the limiting groove 23 and cannot shake inside the lubrication groove 26. This achieves the goal of limiting the ball 13 while facilitating the flow of lubricating oil.

[0028] Working principle: When using this device for the first time, first combine the left frame 21 and the right frame 22 inside the bearing 1. Open the plug 27 and fill the oil chamber 25, oil reservoir 24, and lubrication groove 26 with lubricating oil. After the oil filling is completed, close the plug 27. When the inner ring 12 is rotated by other components, the friction between the inner ring 12 and the ball 13 will drive the ball 13 to rotate synchronously. When the ball 13 rotates, since part of the outer wall of the ball 13 is located inside the lubrication groove 26, the lubricating oil inside the lubrication groove 26 sticks to the outside of the ball 13. After the ball 13 rotates, the outside of the ball 13 is evenly coated with lubricating oil. The lubricating oil coated on the outer wall of the ball 13 is applied to the slide surface through contact with the outer ring 11 and the inner ring 12, so that the bearing 1 rotates more smoothly when working, the lubricating oil lasts longer with a single filling, and the oil storage capacity is greater.

Claims

1. An improved deep groove ball bearing comprising a bearing (1), characterized in that: The bearing (1) comprises an outer ring (11), an inner ring (12), and balls (13), the outer ring (11) and the inner ring (12) are provided with sliding channels, the outer ring (11) and the inner ring (12) are uniformly provided with balls (13) in a circular ring shape, the balls (13) are located inside the sliding channels, the bearing (1) is provided with a retainer (2) on both sides, the retainer (2) comprises a left side frame (21) and a right side frame (22), the outer surfaces of the left side frame (21) and the right side frame (22) are matched with the outer ring (11) and the inner ring (12) in shape, the left side frame (21) and the right side frame (22) are combined in a sealed state, the left side frame (21) and the right side frame (22) are uniformly provided with limiting grooves (23) in a circular ring shape inside, the limiting grooves (23) are matched with the balls (13) in shape, the oil storage shell (24) is fixedly installed between the limiting grooves (23) inside the left side frame (21) and the right side frame (22), the oil cavity (25) is formed in the left side frame (21) and the right side frame (22), the oil cavity (25) is in communication with the oil storage shell (24) and the limiting grooves (23), the lubricating grooves (26) are formed in the limiting grooves (23) inside the left side frame (21) and the right side frame (22), the lubricating grooves (26) are arc grooves, the lubricating grooves (26) are in communication with the oil cavity (25), the left side frame (21) and the right side frame (22) are provided with through grooves between the surfaces and the oil cavity (25), the through grooves are oil injection holes, and the plug covers (27) are fixedly installed in the through grooves.

2. The improved deep groove ball bearing according to claim 1, wherein: The inner wall of the lubricating groove (26) is an arc-shaped inner wall, the long axis length of the inner wall of the lubricating groove (26) is longer than the long axis length of the inner wall of the limiting groove (23), and the short axis length of the inner wall of the lubricating groove (26) is shorter than the short axis length of the inner wall of the limiting groove (23).

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