A new type of wear-resistant bearing ring

Abstract

The utility model discloses a novel wear-resistant bearing ring, comprising an outer ring and an inner ring, wherein positioning ring grooves are arranged on the surfaces of the outer ring and the inner ring, balls are clamped at the positioning ring grooves of the outer ring and the inner ring, the balls are fitted with the inner surfaces of the positioning ring grooves, an oil storage ring cavity is arranged on the inner surface of the outer ring, the oil storage ring cavity is arranged on one side of the outer ring, a ring cover is fixedly installed on the outer end of the oil storage ring cavity, an oil inlet protrusion is arranged on the inner end of the ring cover, a conical cavity is arranged on the inner side of the oil inlet protrusion, a spring and a blocking block are placed in the conical cavity, a guide hole is opened at the inner end of the oil storage ring cavity, the guide hole passes through the positioning ring groove of the outer ring, an oil storage ring cavity is added, after grease is injected into the interior, the guide hole can directly reach the balls through the inclined guide hole, the roots of the rolling fitting surfaces can be directly lubricated, after the balls are lubricated, the inner ring is lubricated again during rotation, so as to improve the lubrication effect and the storage space.

Description

Technical Field

[0001] The utility model relates to the field of bearing rings, and more specifically, to a novel wear-resistant bearing ring. Background Art

[0002] Open bearings can support combined axial and radial loads, and the speed of open bearings is high. Based on these harsh operating conditions, bearings with higher speed, lower friction, better lubrication performance and longer service life are required;

[0003] In the prior art, when lubricating the bearing, lubricating oil is pumped in from the outside and dust covers are set on both sides to seal it. When it is used, the grease is easy to leak out and cannot directly reach the ball, resulting in wear of the bearing ring. The CN206555292U bearing ring and the bearing having the bearing ring, the bearing ring includes a raceway and a shoulder located on one side or both sides of the raceway in the axial direction of the bearing ring, and is characterized in that a plurality of oil guide grooves are set on the shoulder of the bearing ring;

[0004] The above patent only provides a plurality of oil guide groove structures, and the grease flows through a plurality of drainage structures. When the oil enters from both sides, the grease volume is small and the grease cannot directly reach the root for lubrication. The lubrication effect is poor when rolling at the positioning ring groove. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a new type of wear-resistant bearing ring, which is equipped with an oil storage ring cavity. After grease is injected into the interior, it can reach the ball directly through the inclined guide hole and can directly lubricate the root of the rolling contact surface. After the ball is lubricated, the inner ring is lubricated again during rotation, thereby improving the lubrication effect and increasing the storage space.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A novel wear-resistant bearing ring comprises an outer ring and an inner ring, wherein positioning ring grooves are arranged on the surfaces of the outer ring and the inner ring, balls are clamped at the positioning ring grooves of the outer ring and the inner ring, the balls fit the inner surfaces of the positioning ring grooves, an oil storage ring cavity is arranged on the inner surface of the outer ring, the oil storage ring cavity is arranged on one side of the outer ring, a ring cover is fixedly mounted on the outer end of the oil storage ring cavity, an oil inlet protrusion is arranged on the inner end of the ring cover, a conical cavity is arranged on the inner side of the oil inlet protrusion, a spring and a block are placed in the conical cavity, a guide hole is opened at the inner end of the oil storage ring cavity, the guide hole passes through the positioning ring groove of the outer ring, an oil storage ring cavity is added, after grease is injected into the inside, the guide hole can directly reach the balls through the inclined guide hole, and the root of the rolling contact surface can be directly lubricated, after the balls are lubricated, the inner ring is lubricated again during rotation, so as to improve the lubrication effect and increase the storage space.

[0008] Furthermore, the guide holes adopt an inclined distributed small hole structure, and the guide holes are evenly distributed on the inner surface of the positioning ring groove of the outer ring.

[0009] Furthermore, the blocking block adopts a trapezoidal cylindrical block structure, the outer surface of which is covered with a rubber layer and fits tightly onto the inner surface of the oil inlet protrusion.

[0010] Furthermore, the outer surface of the inner end of the oil inlet protrusion is connected with a concave ring cover through threads.

[0011] Furthermore, the outer end surface of the ring cover is fixedly connected to the inner surface of the outer ring by screws, and the screws are evenly distributed to install the ring cover.

[0012] Furthermore, the spring is a variable diameter spring, and the outer surface thereof is fitted to the inner surface of the variable diameter cavity of the oil inlet protrusion.

[0013] Furthermore, the outer ring and the inner ring are made of high-carbon multi-element alloy steel material.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) Add an oil storage ring cavity. After grease is injected into the interior, it can reach the ball through the inclined guide hole and directly lubricate the root of the rolling contact surface. After the ball is lubricated, the inner ring is lubricated during rotation, which improves the lubrication effect and increases the storage space. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is an enlarged view of point A of the utility model;

[0018] Figure 3 It is a cross-sectional view of the local structure of the outer ring of the utility model;

[0019] Figure 4 It is a side view of the local structure of the outer ring of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1 outer ring, 2 inner ring, 100 locating ring groove, 3 ball, 4 oil storage ring cavity, 5 ring cover, 6 oil inlet protrusion, 7 spring, 8 plugging cover, 40 guide hole, 100 locating ring groove, 9 concave ring cover, 50 screws. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] See also Figure 1-4 A novel wear-resistant bearing ring comprises an outer ring 1 and an inner ring 2. Positioning ring grooves 100 are arranged on the surfaces of the outer ring 1 and the inner ring 2. Balls 3 are clamped at the positioning ring grooves 100 of the outer ring 1 and the inner ring 2. The balls 3 fit the inner surfaces of the positioning ring grooves 100. An oil storage ring cavity 4 is arranged on the inner surface of the outer ring 1. The oil storage ring cavity 4 is arranged on one side of the outer ring 1. A ring cover 5 is fixedly installed on the outer end of the oil storage ring cavity 4. An oil inlet protrusion 6 is arranged on the inner end of the ring cover 5. The inner side of the oil inlet protrusion 6 is arranged as a conical cavity. A spring 7 and a blocking block 8 are placed in the conical cavity.

[0025] Grease is placed in the oil storage ring cavity 4, and a guide hole 40 is opened at the inner end of the oil storage ring cavity 4. The guide hole 40 penetrates the positioning ring groove 100 of the outer ring 1. The guide hole 40 adopts an inclined small hole structure. The guide holes 40 are evenly distributed on the inner surface of the positioning ring groove 100 of the outer ring 1. When rolling, grease can be guided out through the guide hole 40, and can be lubricated at the ball 3, directly reaching the root of the rolling contact surface. After the ball 3 is lubricated, it rotates to the inner ring 2 for lubrication. The lubrication effect is high, the lubrication efficiency is improved, and the friction is reduced. In addition, the outer ring 1 and the inner ring 2 are made of high-carbon multi-element alloy steel material, which is wear-resistant steel material to improve wear resistance;

[0026] The outer surface of the inner end of the oil inlet protrusion 6 is connected with a concave ring cover 9 through a thread, which is convenient for filling the block 8 and the spring 7 from the inner end and sealing through the concave ring cover 9, and the installation is convenient;

[0027] The outer end surface of the ring cover 5 is fixedly connected to the inner surface of the outer ring 1 by screws 50. The screws 50 are evenly distributed to install the ring cover 5, which is convenient for installing the ring cover;

[0028] The blocking block 8 adopts a trapezoidal cylindrical block structure, and its outer surface is covered with a rubber layer, which fits tightly on the inner surface of the oil inlet protrusion 6. The spring 7 adopts a variable diameter spring, and its outer surface fits on the inner surface of the variable diameter cavity of the oil inlet protrusion 6. When grease is injected, the top block plugging cover 8 slides inward, the oil inlet protrusion 6 opens a gap, and the grease flows into the oil storage ring cavity 4 to fill it. After the blocking block 8 is loosened, the spring 7 squeezes the blocking block 8 to bounce up and seal it, which is convenient for sealing, will not cause leakage, and is easy to use.

[0029] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A novel wear-resistant bearing ring, comprising an outer ring (1) and an inner ring (2), characterized in that: Positioning ring grooves (100) are arranged on the surfaces of the outer ring (1) and the inner ring (2), and balls (3) are clamped at the positioning ring grooves (100) of the outer ring (1) and the inner ring (2), and the balls (3) fit the inner surface of the positioning ring grooves (100). An oil storage ring cavity (4) is arranged on the inner surface of the outer ring (1), and the oil storage ring cavity (4) is arranged on one side of the outer ring (1). A ring cover (5) is fixedly installed on the outer end of the oil storage ring cavity (4), and an oil inlet protrusion (6) is arranged on the inner end of the ring cover (5). The inner side of the oil inlet protrusion (6) is arranged as a conical cavity, and a spring (7) and a block (8) are placed in the conical cavity. A guide hole (40) is opened at the inner end of the oil storage ring cavity (4), and the guide hole (40) passes through the positioning ring groove (100) of the outer ring (1).

2. A novel wear-resistant bearing ring according to claim 1, characterized in that: The guide holes (40) adopt an inclined distributed small hole structure, and the guide holes (40) are evenly distributed on the inner surface of the positioning ring groove (100) of the outer ring (1).

3. A novel wear-resistant bearing ring according to claim 1, characterized in that: The blocking block (8) adopts a trapezoidal cylindrical block structure, the outer surface of which is covered with a rubber layer and is tightly fitted on the inner surface of the oil inlet protrusion (6).

4. A novel wear-resistant bearing ring according to claim 1, characterized in that: The outer surface of the inner end of the oil inlet protrusion (6) is connected with a concave ring cover (9) via threads.

5. The novel wear-resistant bearing ring according to claim 1 is characterized in that: The outer end surface of the ring cover (5) is fixedly connected to the inner surface of the outer ring (1) by means of screws (50), and the screws (50) are evenly distributed to install the ring cover (5).

6. A novel wear-resistant bearing ring according to claim 1, characterized in that: The spring (7) is a variable diameter spring, and its outer surface is fitted to the inner surface of the variable diameter cavity of the oil inlet protrusion (6).

7. The novel wear-resistant bearing ring according to claim 1 is characterized in that: The outer ring (1) and the inner ring (2) are made of high-carbon multi-element alloy steel material.

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