High-rotating-speed bearing outer ring with self-lubricating function

Abstract

The utility model discloses a high-rotating-speed bearing outer ring with a self-lubricating function, which relates to the field of bearing outer rings and comprises a bearing outer ring component, the bearing outer ring component comprises a first outer ring, a second outer ring and two mounting rings, the second outer ring is positioned at the inner ring of the first outer ring, and the two mounting rings are positioned at the inner ring of the second outer ring. The mounting ring is fixedly connected with the side walls of the first outer ring and the second outer ring through bolts, and an oil cavity is formed among the first outer ring, the second outer ring and the mounting ring; a first through hole penetrates through the top of the second outer ring, a sponge strip is fixedly connected to the top of the inner wall of the second outer ring, and the protruding part of the sponge strip is located in the first through hole. The utility model has a self-lubricating structure; when the bearing moves, the balls make contact with the elastic pieces expanding at high temperature, lubricating oil in the oil cavity is extruded out, the automatic lubricating effect is achieved, the lubricating oil does not need to be manually added into the bearing outer ring assembly, normal work of the bearing is guaranteed, the performance of the bearing is guaranteed, and the service life of the bearing is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of high-speed bearing outer rings, in particular to a high-speed bearing outer ring with a self-lubricating function. Background Art

[0002] The outer ring of the high-speed bearing is a key component in the bearing structure. It is located at the outermost layer of the bearing and together with the inner ring, rolling elements (such as balls or rollers) and cages, it forms a complete bearing unit. The outer ring of the high-speed bearing is an annular metal part that wraps around the outside of the internal structure of the bearing to provide external support and positioning for the bearing. It cooperates with the bearing seat or bearing hole to ensure that the bearing can maintain a stable position and accuracy during rotation.

[0003] The outer ring of the existing high-speed bearing does not have a self-lubricating function. After the bearing has been used for a period of time, the staff needs to add lubricating oil to the bearing so that the bearing can operate normally. However, if the staff does not add lubricating oil in time, it will affect the performance of the bearing and reduce the service life of the bearing.

[0004] Therefore, it is necessary to propose a high-speed bearing outer ring with self-lubricating function to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a high-speed bearing outer ring with a self-lubricating function to solve the problem that the existing bearings do not have the self-lubricating function and need to manually add lubricating oil to the inside of the bearings. When the staff fails to add lubricating oil in time, the performance of the bearings is affected and the service life of the bearings is reduced.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-speed bearing outer ring with self-lubricating function, comprising a bearing outer ring assembly, wherein the bearing outer ring assembly comprises a first outer ring, a second outer ring and two mounting rings, wherein the second outer ring is located at the inner ring of the first outer ring, the mounting ring is fixedly connected to the side walls of the first outer ring and the second outer ring by bolts, and an oil cavity is formed between the first outer ring, the second outer ring and the mounting ring;

[0007] A first through hole is formed through the top of the second outer ring, a sponge strip is fixedly connected to the top of the inner wall of the second outer ring, the protruding part of the sponge strip is located inside the first through hole, second through holes are formed through the two sides of the inner wall of the second outer ring, an elastic sheet is fixedly connected inside the second through hole, and the elastic sheet is an elastic structure.

[0008] Preferably, the elastic sheet is normally located inside the second through hole, and the elastic sheet expands and bulges at high temperature, and the bulging portion of the elastic sheet is located on the outer surface of the second outer ring.

[0009] Preferably, a bearing inner ring is arranged inside the second outer ring, and two second bending plates are fixedly connected to the outer surface of the bearing inner ring, and two first bending plates are fixedly connected to the outer surface of the second outer ring close to the bearing inner ring, and the first bending plates and the second bending plates form a chamber.

[0010] Preferably, a third through hole is formed through the bottom of the inner ring of the bearing, and a plurality of balls are movably connected inside the chamber. The balls enter the chamber through the third through hole, and the balls contact the outer surface of the second outer ring and the inner ring of the bearing.

[0011] Preferably, a sealing plug is installed at the top opening of the first outer ring.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model has a self-lubricating structure; when the bearing moves, the ball contacts the elastic sheet that expands at high temperature, squeezes out the lubricating oil in the oil cavity, and achieves the effect of automatic lubrication. There is no need to manually add lubricating oil to the inside of the bearing outer ring assembly, which ensures the normal operation of the bearing, guarantees the performance of the bearing, and increases the service life of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the outer ring of the high-speed bearing of the utility model.

[0015] Figure 2 It is a three-dimensional schematic diagram of the cross section of the outer ring of the high-speed bearing of the utility model.

[0016] Figure 3 It is a schematic plan view of the cross section of the outer ring of the high-speed bearing of the utility model under normal conditions.

[0017] Figure 4 It is a schematic diagram of the cross-sectional plane of the outer ring of the high-speed bearing of the utility model under high temperature state.

[0018] Figure 5 The utility model is a high speed bearing outer ring Figure 4 Enlarged schematic diagram at point A in the middle.

[0019] Figure 6 The utility model is a high speed bearing outer ring Figure 4 Enlarged schematic diagram of point B in the middle.

[0020] Figure 7 It is a vertical cross-sectional stereoscopic schematic diagram of the utility model.

[0021] In the figure: 1, bearing outer ring assembly; 11, first outer ring; 12, second outer ring; 13, mounting ring; 14, oil chamber; 15, first through hole; 16, sponge strip; 17, second through hole; 18, elastic sheet; 19, sealing plug; 110, first bending sheet;

[0022] 2. Bearing inner ring; 21. Second bending piece; 22. Third through hole;

[0023] 3. Ball; 4. Chamber. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model aims to solve the problem that the existing bearings do not have the self-lubricating function and need to add lubricating oil to the inside of the bearings manually. When the staff fails to add lubricating oil in time, the performance of the bearings is affected and the service life of the bearings is reduced. Figure 1-Figure 7 A high-speed bearing outer ring with a self-lubricating function is shown, comprising a bearing outer ring assembly 1, wherein the bearing outer ring assembly 1 comprises a first outer ring 11, a second outer ring 12 and two mounting rings 13, wherein the second outer ring 12 is located at the inner ring of the first outer ring 11, and the mounting ring 13 is fixedly connected to the side walls of the first outer ring 11 and the second outer ring 12 by bolts, and an oil chamber 14 is formed between the first outer ring 11, the second outer ring 12 and the mounting ring 13; a sealing gasket is fixedly installed on the mounting ring 13 at the position where the first outer ring 11 and the second outer ring 12 are attached to ensure the sealing of the bearing outer ring assembly 1, and the oil chamber 14 stores lubricating oil for lubrication. During installation, the first outer ring 11 is fixed to the installation position, and a plurality of threaded holes connected to the rotating mechanism are opened on the second outer ring 12 to facilitate the installation of the second outer ring 12.

[0026] In this embodiment, a sealing plug 19 is installed at the top opening of the first outer ring 11; when the lubricating oil in the oil chamber 14 is insufficient, the sealing plug 19 can be opened to add lubricating oil, which is convenient for use.

[0027] It should be noted that a first through hole 15 is formed through the top of the second outer ring 12, a sponge strip 16 is fixedly connected to the top of the inner wall of the second outer ring 12, and the protruding part of the sponge strip 16 is located inside the first through hole 15, and second through holes 17 are formed through the inner wall of the second outer ring 12 on both sides, and an elastic sheet 18 is fixedly connected inside the second through hole 17, and the elastic sheet 18 is an elastic structure; the first through hole 15 is an oil outlet hole for lubricating oil, and the bearing inner ring 2 generates high temperature during the rotation process, and the high temperature increases the pressure in the oil chamber 14, and the pressure expands the elastic sheet 18, and the ball 3 contacts the expanded elastic sheet 18, compressing the elastic sheet 18 inward (as shown in the attached Figure 4 , Figure 6) The position of the lubricating oil changes after being squeezed, and the lubricating oil contacts the sponge strip 16. The sponge strip 16 transports the lubricating oil from the first through hole 15 to the inner ring 2 of the bearing, thereby achieving the effect of automatic lubrication. There is no need to manually add lubricating oil to the inside of the bearing outer ring assembly 1, thereby ensuring the normal operation of the bearing, guaranteeing the performance of the bearing, and increasing the service life of the bearing.

[0028] It should also be noted that the elastic sheet 18 is normally located inside the second through hole 17. The elastic sheet 18 expands and bulges at high temperature. The bulging portion of the elastic sheet 18 is located on the outer surface of the second outer ring 12. The elastic sheet 18 can be a rubber sheet or an elastic material of other materials, which is not specifically limited here. After the elastic sheet 18 expands, the ball 3 contacts the expanded elastic sheet 18 and compresses the elastic sheet 18 inward.

[0029] In this embodiment, a bearing inner ring 2 is arranged inside the second outer ring 12, and two second bending pieces 21 are fixedly connected to the outer surface of the bearing inner ring 2. Two first bending pieces 110 are fixedly connected to the outer surface of the second outer ring 12 close to the bearing inner ring 2, and the first bending pieces 110 and the second bending pieces 21 form a chamber 4; the bending parts of the first bending pieces 110 and the second bending pieces 21 can prevent the lubricating oil from flowing out of the chamber 4, thereby improving the utilization rate of the lubricating oil and avoiding the pollution caused by the outflow of the lubricating oil.

[0030] Furthermore, a third through hole 22 is formed through the bottom of the bearing inner ring 2, and a plurality of balls 3 are movably connected inside the chamber 4. The balls 3 enter the chamber 4 through the third through hole 22, and the balls 3 contact the second outer ring 12 and the outer surface of the bearing inner ring 2; the balls 3 can be added to the chamber 4 through the third through hole 22, and the balls 3 contact the expanded elastic sheet 18 when rotating to change the oil level (such as the attached Figure 3-6 shown).

Claims

1. A high-speed bearing outer ring with self-lubricating function, comprising a bearing outer ring assembly (1), characterized in that: The bearing outer ring assembly (1) comprises a first outer ring (11), a second outer ring (12) and two mounting rings (13); the second outer ring (12) is located at the inner ring of the first outer ring (11); the mounting ring (13) is fixedly connected to the side walls of the first outer ring (11) and the second outer ring (12) by bolts; an oil chamber (14) is formed between the first outer ring (11), the second outer ring (12) and the mounting ring (13); A first through hole (15) is formed through the top of the second outer ring (12); a sponge strip (16) is fixedly connected to the top of the inner wall of the second outer ring (12); a protruding portion of the sponge strip (16) is located inside the first through hole (15); second through holes (17) are formed through the inner wall of the second outer ring (12) on both sides; an elastic sheet (18) is fixedly connected inside the second through hole (17); and the elastic sheet (18) is an elastic structure.

2. The high-speed bearing outer ring with self-lubricating function according to claim 1, characterized in that: The elastic sheet (18) is normally located inside the second through hole (17), and the elastic sheet (18) expands and bulges at high temperature, with the bulging portion of the elastic sheet (18) being located on the outer surface of the second outer ring (12).

3. The high-speed bearing outer ring with self-lubricating function according to claim 1, characterized in that: A bearing inner ring (2) is arranged inside the second outer ring (12); two second bending pieces (21) are fixedly connected to the outer surface of the bearing inner ring (2); two first bending pieces (110) are fixedly connected to the outer surface of the second outer ring (12) on a side close to the bearing inner ring (2); the first bending pieces (110) and the second bending pieces (21) form a chamber (4).

4. The high-speed bearing outer ring with self-lubricating function according to claim 3, characterized in that: A third through hole (22) is formed through the bottom of the bearing inner ring (2), and a plurality of balls (3) are movably connected inside the chamber (4). The balls (3) enter the chamber (4) through the third through hole (22), and the balls (3) are in contact with the outer surface of the second outer ring (12) and the bearing inner ring (2).

5. The high-speed bearing outer ring with self-lubricating function according to claim 1, characterized in that: A sealing plug (19) is installed at the top opening of the first outer ring (11).

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