CN212155451U - A high temperature resistant high speed deep groove ball bearing - Google Patents

Abstract

The utility model discloses a high-temperature resistant high-speed deep groove ball bearing, which comprises a bearing body. The bearing body is composed of an outer ring, an inner ring, a cage and a plurality of balls. A cage is arranged between the outer ring and the inner ring. There are several balls equidistantly interspersed in the middle of the ball, the tops of several balls are in contact with the two raceways opened on the inner wall of the outer ring, and the bottom ends of several balls are in contact with the raceways opened on the outer wall of the inner ring. A frame block and a second frame block are formed, and one side of the first frame block is provided with a plurality of first arc grooves at equal distances. The first frame block and the second frame block of the utility model are engaged with the card groove through the locking block, which facilitates the installation and disassembly of the cage, and improves the production efficiency of the bearing. High temperature resistance, through the oil injection holes on the side of the cage, it is convenient to inject lubricating oil regularly, lubricate the rollers inside the bearing, and reduce the friction between the rollers and the outer ring and the inner ring.

Description

A high temperature resistant high speed deep groove ball bearing

technical field

The utility model relates to the technical field of bearings, in particular to a high temperature resistant high speed deep groove ball bearing.

Background technique

Deep groove ball bearings are the original list of radial ball bearings, which are the most widely used rolling bearings. It is characterized by low frictional resistance and high rotational speed. It can be used on parts that bear radial load or combined radial and axial loads at the same time, and can also be used on parts that bear axial load, such as low-power motors, Automobile and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.

In the production process of the existing deep groove ball bearings, the cage is generally cast in one piece, which is inconvenient for installation and disassembly. When the cage is damaged, it is inconvenient to replace, which affects the service life of the deep groove ball bearing. During the installation process, there is no fixed structure, which is easy to cause the bearing to shift and affect the normal use of the bearing.

Utility model content

The purpose of the present invention is to provide a high temperature resistant high speed deep groove ball bearing to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-temperature resistant high-speed deep groove ball bearing, comprising a bearing body, the bearing body is composed of an outer ring, an inner ring, a cage and several balls, and the outer ring A cage is arranged between the cage and the inner ring, and a number of balls are interspersed in the middle of the cage at equal distances. The bottom end of the cage is in contact with the raceway opened on the outer wall of the inner ring. The cage is composed of a first frame block and a second frame block. One side of the first frame block is equidistantly provided with a number of first arc grooves. , between the two adjacent first arc-shaped grooves, a clamping slot is opened, one side of the second frame block is equally spaced with a number of second arc-shaped grooves, and a number of the second arc-shaped grooves are The positions of the shaped groove and the first arc-shaped groove are aligned, and a clamping block is fixedly arranged between the two adjacent second arc-shaped grooves, and the clamping block is connected with the clamping groove by clamping.

Preferably, a plurality of oil injection holes are equidistantly provided on the sides of the cage, and dust-proof nets are fixedly installed in the interiors of the plurality of oil injection holes.

Preferably, the inner wall of the inner ring is provided with a plurality of installation grooves equidistantly, and the interiors of the plurality of installation grooves are provided with evenly distributed anti-skid lines.

Preferably, the inner diameter of the card slot matches the size of the card block.

Preferably, grease is applied between the cage and the inner ring and the outer ring.

Preferably, the outer ring, the inner ring, the balls and the cage are all made of bearing steel.

Technical effects and advantages of the present utility model:

(1) The first block and the second block are engaged by the block and the groove, which facilitates the installation and disassembly of the cage and improves the production efficiency of the bearing. The bearing body is made of carbon steel, which improves the bearing performance. high temperature resistance;

(2) Through the oil injection holes on the side of the cage, it is convenient to inject lubricating oil regularly, lubricate the rollers inside the bearing, and reduce the friction between the rollers and the outer ring and the inner ring;

(3) The installation groove opened on the inner wall of the inner ring facilitates the firm installation of the bearing and avoids the bearing from being offset when the bearing is used.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic cross-sectional structure diagram of the utility model.

FIG. 3 is a schematic diagram of the structure of the cage of the present invention.

In the figure: 1. Bearing body; 2. Outer ring; 3. Inner ring; 4. Raceway; 5. Ball; 6. Cage; 7. Oil filling hole; 8. Installation groove; 9. First frame block; , the second frame block; 11, the first arc slot; 12, the second arc slot; 13, the card slot; 14, the card block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a high-temperature resistant high-speed deep groove ball bearing as shown in Figs. A cage 6 is provided between the outer ring 2 and the inner ring 3, and a number of oil injection holes 7 are provided at equal distances on the sides of the cage 6. The interior of the several oil injection holes 7 are fixedly installed with dust-proof nets. There are several balls 5 equidistantly interspersed in the middle of the ball, the tops of several balls 5 are in contact with the two raceways 4 opened on the inner wall of the outer ring 2, and the bottom ends of the several balls 5 are in contact with the raceway 4 opened on the outer wall of the inner ring 3. Contact connection, the holder 6 is composed of a first frame block 9 and a second frame block 10, one side of the first frame block 9 is equally spaced with a number of first arc grooves 11, two adjacent first arc grooves A card slot 13 is opened between the grooves 11, and a plurality of second arc grooves 12 are equally spaced on one side of the second frame block 10, and the positions of the plurality of second arc grooves 12 are opposite to the first arc groove 11. Positive, a clamping block 14 is fixed between the two adjacent second arc grooves 12, the clamping block 14 is connected with the clamping groove 13, and the oil injection hole 7 opened on the side of the holder 6 is convenient for regular injection. The lubricating oil lubricates the rollers inside the bearing and reduces the friction between the rollers and the outer ring 2 and the inner ring 3. The inner wall of the inner ring 3 is provided with a number of installation grooves 8 at equal distances. There are evenly distributed anti-skid lines, grease is applied between cage 6 and inner ring 2 and outer ring 3, outer ring 2, inner ring 3, ball 5 and cage 6 are all made of bearing steel. Carbon steel material has high hardness, high temperature resistance and other properties.

The working principle of the utility model: when producing the high-temperature resistant high-speed deep groove ball bearing, firstly, the ball 5 is placed between the raceway 4 opened on the inner wall of the outer ring 2 and the raceway 4 opened on the outer wall of the inner ring 3, and then the first The clamping slot 13 opened on one side of the frame block 9 is engaged with the clamping block 14 installed on the side of the second frame block 10 to complete the splicing of the cage 6. When the deep groove ball bearing is used, the installation groove 8 opened inside the inner ring 3 is used. , Install the bearing at the designated position to ensure that the bearing is installed firmly. When the bearing needs to be lubricated, lubricate the inside of the bearing through the oil injection hole 7 opened on the side of the cage 6 to prolong the service life of the bearing.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection or an integral body; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between two elements or the interaction between the two elements. . For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the description and the drawings.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A high temperature resistant high speed deep groove ball bearing, comprising a bearing body (1), characterized in that the bearing body (1) is composed of an outer ring (2), an inner ring (3), a cage (6) and several A cage (6) is arranged between the outer ring (2) and the inner ring (3), and a plurality of balls (5) are equidistantly interspersed in the middle of the cage (6). , the top ends of a plurality of the balls (5) are in contact with the two raceways (4) opened on the inner wall of the outer ring (2), and the bottom ends of the plurality of balls (5) are in contact with the outer wall of the inner ring (3). The raceways (4) are contacted and connected, the cage (6) is composed of a first frame block (9) and a second frame block (10), and one side of the first frame block (9) is equidistantly provided with several a first arc-shaped groove (11), a clamping groove (13) is formed between two adjacent first arc-shaped grooves (11), and one side of the second frame block (10) is equidistant A plurality of second arc-shaped grooves (12) are opened, and the positions of the plurality of second arc-shaped grooves (12) are aligned with the first arc-shaped grooves (11), and two adjacent second arc grooves A clamping block (14) is fixedly arranged between the shaped grooves (12), and the clamping block (14) is engaged with the clamping groove (13). 2. A high-temperature resistant high-speed deep groove ball bearing according to claim 1, characterized in that: a number of oil injection holes (7) are equidistantly provided on the side of the cage (6), and a number of the oil injection holes The inside of the hole (7) is fixedly installed with a dust filter. 3. A high-temperature resistant high-speed deep groove ball bearing according to claim 1, characterized in that: the inner wall of the inner ring (3) is provided with a plurality of installation grooves (8) equidistantly, and a plurality of the installation grooves The interior of (8) is provided with evenly distributed anti-skid patterns. 4 . The high-temperature resistant high-speed deep groove ball bearing according to claim 1 , wherein the inner diameter of the clamping groove ( 13 ) matches the size of the clamping block ( 14 ). 5 . 5 . The high-temperature resistant high-speed deep groove ball bearing according to claim 1 , wherein grease is applied between the cage ( 6 ), the inner ring ( 3 ) and the outer ring ( 2 ). 6 . 6. A high temperature resistant high speed deep groove ball bearing according to claim 1, characterized in that: the outer ring (2), the inner ring (3), the balls (5) and the cage (6) are all formed by the bearing Made of steel.

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