Pressure-resistant bearing ring

Abstract

The utility model discloses a pressure-resistant bearing ring which comprises an inner ring, an outer ring and balls, a pressure-resistant ring part is arranged on the outer ring, a positioning groove is arranged on the end face of the outer ring, a positioning part corresponding to the positioning groove is arranged on the pressure-resistant ring part, a welding ring is arranged in the positioning groove, and the welding ring is welded with the positioning part. The utility model has the advantages of novel structure, stability, reliability, pressure resistance, difficulty in deformation and durability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing ring technical field, especially relate to a pressure -resistant bearing ring. BACKGROUND

[0002] Bearing ring is an important part in mechanical equipment. The surface of the existing bearing ring is easy to be deformed by external straight face impact when using, thereby affecting normal use, and the compression resistance is poor.

[0003] The existing patent literature (announcement number: CN212318546U) discloses "a kind of corrosion -resistant bearing ring", and also has the above technical problems. SUMMARY

[0004] The utility model aims at solving the above technical problems existing in prior art, provide a kind of pressure -resistant bearing ring, novel structure, stable and reliable, pressure -resistant and not easy to be deformed, durable.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A kind of pressure -resistant bearing ring, it includes: inner ring, outer ring and ball, it is characterized by: outer ring is equipped with compression ring part, the end face of outer ring is equipped with positioning groove, the positioning groove in the compression ring part is equipped with corresponding positioning part, the positioning groove is equipped with welding ring, and the welding ring is welded with positioning part. The bearing ring structure is novel, stable and reliable, pressure -resistant and not easy to be deformed, durable.

[0007] Further, the outer ring is provided with an oil injection hole communicated with the inner raceway of the outer ring. Lubricating oil is added into the oil injection hole to lubricate the inner raceway of the outer ring, the ball and the outer raceway of the inner ring, thereby reducing wear and facilitating oiling.

[0008] Further, the outer ring is provided with an inner ring groove, and the oil injection hole is located in the inner ring groove. A retaining ring is sleeved in the inner ring groove to close the oil injection hole. This prevents the lubricating oil from flowing out of the oil injection hole, improves the utilization rate of the lubricating oil, and limits the retaining ring in the inner ring groove to prevent it from freely sliding, thereby improving the installation stability.

[0009] Further, the retaining ring is of an elastic structure. The retaining ring is convenient to disassemble and assemble, flexible and convenient to use, low in material cost and economical and practical.

[0010] Further, the retaining ring is of a rigid structure, and the retaining ring includes two half rings. One end of each half ring is provided with a magnet, and the other end of each half ring is provided with a notch corresponding to the magnet. An iron plating layer is coated on the inner wall of the notch. The magnet of one half ring is embedded in the notch of the other half ring to enable the magnet to be attracted to the iron plating layer, so that the two half rings cannot be freely separated, thereby forming a complete retaining ring, which is stable and reliable and easy to disassemble and assemble.

[0011] Further, the surface of the outer ring is coated with a wear-resistant layer, improving the wear resistance of the outer ring, not easy to wear and rust, long service life.

[0012] Further, the surface of the inner ring is coated with a wear-resistant layer, improving the wear resistance of the inner ring, not easy to wear and rust, long service life.

[0013] Further, the middle hole of the inner ring is in a flared structure at both ends, facilitating the assembly of the inner ring and the rotating shaft, and reducing the assembly difficulty.

[0014] The utility model discloses a bearing outer ring and inner ring structure, which has the following beneficial effects:

[0015] 1, the anti -pressure ring department is convenient for positioning, and the assembly is simple, and the welding ring is welded into an integral whole with the outer ring and the anti -pressure ring department, and the connection is firm, and the structure is stable, and the quality is reliable, and the anti -pressure ring department protrudes on the end face of the outer ring, and the straight face impact from the outside is preferentially borne, thereby improve the anti -pressure ability of bearing sleeve ring.

[0016] 2, the check ring seals the oil hole, prevents the lubricating oil from flowing out from the import of the oil hole, improves the utilization rate of lubricating oil, and the check ring is limited in the inner ring groove and cannot slide freely, so that the installation stability is high.

[0017] The check ring material has the following two kinds:

[0018] ① the check ring is an elastic structure made of rubber material, has elasticity, convenient to disassemble and assemble, flexible and convenient, low in material cost, and economical and practical.

[0019] ② the check ring is a rigid structure made of stainless steel material, a half-ring magnet is embedded in the notch of another half-ring, so that the magnet is adsorbed with the iron plating layer, the two half-rings cannot be separated freely, form a complete check ring, stable and reliable, and simple to disassemble and assemble. DRAWINGS

[0020] The utility model will be further described in connection with the drawings:

[0021] Figure 1 It is the structure schematic view of the embodiment one of the utility model;

[0022] Figure 2 It is the structure schematic view of the butt joint of the outer ring and the anti -pressure ring department in the embodiment one;

[0023] Figure 3 It is the structure schematic view of the embodiment two of the utility model;

[0024] Figure 4 It is the structure schematic view of the outer ring in the embodiment two;

[0025] Figure 5 It is the structure schematic view of the embodiment three of the utility model;

[0026] Figure 6 The exploded view of the retaining ring in Example Three.

[0027] In the figure: 1-inner ring; 2-outer ring; 4-pressure ring part; 5-positioning groove; 6-positioning part; 7-welding ring; 8-oil injection hole; 9-inner ring groove; 10-retaining ring; 11-half ring; 12-magnet; 13-notch. DETAILED DESCRIPTION

[0028] As shown in Figure 1 and Figure 2 , it is Example One of the utility model

[0029] A pressure-resistant bearing ring, comprising: an inner ring 1, an outer ring 2 and a ball, the ball is located between the outer raceway of the inner ring 1 and the inner raceway of the outer ring 2, the outer ring 2 is provided with a pressure ring part 4, the pressure ring part 4 protrudes from the end face of the outer ring 2, and the pressure ring part 4 preferentially bears the direct impact from the outside, so that the pressure resistance of the bearing ring is improved,

[0030] The end face of the outer ring 2 is provided with a positioning groove 5, the pressure ring part 4 is provided with a positioning part 6 corresponding to the positioning groove 5, the positioning groove 5 is provided with a welding ring 7, and the welding ring 7 is welded with the positioning part 6.

[0031] The solder generated by melting the brazing wire is injected into the positioning groove 5, then the positioning part 6 is embedded into the positioning groove 5, so that the pressure ring part 4 is tightly attached to the surface of the outer ring 2, positioning is convenient, assembly is simple, then the overflowed solder is wiped off, and the solder is cooled and solidified to form the welding ring 7, so that the outer ring 2, the positioning part 6 and the pressure ring part 4 are welded into an integrated whole, the connection is firm, the formed structure is stable, and the quality is reliable.

[0032] The surface of the outer ring 2 is coated with a wear-resistant layer, the wear-resistant layer can adopt a silicon carbide layer, the wear-resistant performance of the outer ring 2 is improved, the outer ring 2 is not easy to wear and rust, and the service life is long.

[0033] The surface of the inner ring 1 is coated with a wear-resistant layer, the wear-resistant layer can adopt a silicon carbide layer, the wear-resistant performance of the inner ring 1 is improved, the inner ring 1 is not easy to wear and rust, and the service life is long. The middle hole of the inner ring 1 is in a flared structure at both ends, the inner ring 1 is convenient to assemble with a rotating shaft, and the assembly difficulty is reduced.

[0034] The outer ring 2 is provided with an oil injection hole 8 in communication with the inner raceway of the outer ring 2. Lubricating oil is added into the oil injection hole 8, and the lubricating oil lubricates the inner raceway of the outer ring 2, the ball and the outer raceway of the inner ring 1, so as to reduce wear and facilitate oiling.

[0035] The hole diameter of the oil injection hole 8 gradually increases from the inlet to the outlet, the oil capacity is large, and the lubricating oil is prevented from overflowing from the inlet of the oil injection hole 8 during oil injection.

[0036] The outer ring 2 is provided with an inner ring groove 9, the oil injection hole 8 is located in the inner ring groove 9, the inner ring groove 9 is provided with a check ring 10, and the check ring 10 seals the oil injection hole 8. The check ring 10 is limited in the inner ring groove 9 and cannot slide freely, so that the installation stability is high.

[0037] As shown in Figure 3 and Figure 4 embodiment two of the utility model

[0038] In the technical scheme based on embodiment one, the check ring 10 is an elastic structure made of rubber material, has elasticity, is convenient to disassemble and assemble, is flexible and convenient, has low material cost, and is economical and practical.

[0039] As shown in Figure 5 and Figure 6 embodiment three of the utility model

[0040] In the technical scheme based on embodiment one, the check ring 10 is a rigid structure made of stainless steel material, the check ring 10 comprises two half rings 11, one end of the half ring 11 is provided with a magnet 12, the other end of the half iron ring is provided with a notch 13 corresponding to the magnet 12, and an iron plating layer is coated on the inner wall of the notch 13.

[0041] The magnet 12 of one half ring 11 is embedded into the notch 13 of the other half ring 11, so that the magnet 12 is adsorbed with the iron plating layer, the two half rings 11 cannot be freely separated, a complete check ring 10 is formed, and the check ring 10 is stable and reliable and is simple to disassemble and assemble.

[0042] The above is only a specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the utility model to solve the same technical problem and achieve the same technical effect is included in the protection scope of the utility model.

Claims

1. A pressure-tight bearing ring comprising: The inner ring, the outer ring and the balls are characterized in that: the outer ring is provided with a pressure-resistant ring part, the end face of the outer ring is provided with a positioning groove, the pressure-resistant ring part is provided with a positioning part corresponding to the positioning groove, and the positioning groove is provided with a welding ring which is welded with the positioning part.

2. A pressure-retaining bearing ring according to claim 1, characterized in that: An oil injection hole is formed in the outer ring and is in communication with the inner raceway of the outer ring.

3. A pressure bearing cup as claimed in claim 2, wherein: An inner ring groove is formed in the outer ring, the oil injection hole is located in the inner ring groove, and a check ring is sleeved in the inner ring groove and seals the oil injection hole.

4. A pressure bearing cup as claimed in claim 3, wherein: The check ring is of an elastic structure.

5. A pressure bearing cup as defined in claim 3 wherein: The check ring is of a rigid structure and comprises two half rings, one end of each half ring is provided with a magnet, the other end of each half ring is provided with a notch corresponding to the magnet, and the inner wall of the notch is coated with an iron plating layer.

6. A pressure bearing cup as defined in claim 1 wherein: The surface of the outer ring is coated with a wear-resistant layer.

7. A pressure bearing cup as defined in claim 1 wherein: The surface of the inner ring is coated with a wear-resistant layer.

8. A pressure bearing cup as defined in claim 1 wherein: The middle hole of the inner ring is of a flared structure at both ends.

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