CN215720193U

CN215720193U - Insert bearing device

Info

Publication number: CN215720193U
Application number: CN202022320258.3U
Authority: CN
Inventors: 郑小平
Original assignee: Anhui Qianxi Precise Bearing Manufactory Co ltd
Current assignee: Anhui Qianxi Precise Bearing Manufactory Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2022-02-01
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses an outer spherical surface ball bearing device which comprises a bearing outer ring and a bearing inner ring, wherein steel balls are arranged between the bearing outer ring and the bearing inner ring, a first bearing oil seal and a second bearing oil seal are respectively arranged between the bearing outer ring and the bearing inner ring on the left side and the right side of each steel ball, the top end of each first bearing oil seal is connected with an oblique cutting block, the oblique cutting blocks are positioned in oblique cutting grooves formed in the inner side of the bearing outer ring, and the clamping blocks are positioned in clamping grooves formed in corresponding positions on the bearing inner ring. The utility model provides an outer spherical surface ball bearing device which is ingenious in structural arrangement and reasonable in layout, two different bearing oil seals are arranged on two sides of a bearing, the right oil seal is directly clamped on the bearing, the sealing performance is good, the left oil seal is directly embedded in an inner ring and an outer ring of the bearing through the tension of a steel sheet, when lubricating grease needs to be added, the steel sheet is pressed to enable an end raised head of the steel sheet to be separated from an inner notch, the oil seal can be taken down, the oil seal is convenient to disassemble and assemble, and meanwhile, the oil seal is not damaged during disassembly, and the reuse is not influenced.

Description

Insert bearing device

Technical Field

The utility model relates to the technical field of bearing equipment, in particular to an outer spherical surface ball bearing device.

Background

At present, the insert ball bearing comprises an outer ring and an inner ring, a rolling body is arranged between the outer ring and the inner ring, two sealing covers are parallelly covered on the side surface of a bearing ring, and the outer rings of the two sealing covers are tightly matched with the inner side of the outer ring, so that a sealing effect is achieved, and corrosion of muddy water can be prevented. The sealing cover of the outer spherical ball bearing is easy to fall off, poor in sealing effect and unstable in quality, after the sealing cover is used for a period of time, the friction torque at the sealing cover is large, the temperature rise of the bearing is too high, and the service life of the bearing is influenced. In addition, after the outer ring of the outer spherical ball bearing is installed, the outer ring is in close contact with the concave spherical surface of the bearing seat, and the two sealing covers seal two ends of the bearing, so that lubricating grease cannot be added to the rolling body of the outer spherical ball bearing without disassembling the outer spherical ball bearing, the maintenance operation is difficult, the inner side of the retainer and the rolling body cannot be well lubricated, and the outer spherical ball bearing device is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide an insert spherical bearing device to solve the above problems of the related art.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides an insert ball bearing device, includes bearing inner race and bearing inner race, be equipped with the steel ball between bearing inner race and the bearing outer race, be equipped with first bearing oil blanket and second bearing oil blanket between the bearing inner race and the bearing outer race of the steel ball left and right sides respectively, the top of first bearing oil blanket is connected with oblique cutting block, and oblique cutting block is located the oblique grooving that the bearing inner race inboard was seted up, and the bottom of first bearing oil blanket is connected with the fixture block, and the fixture block is located the draw-in groove that the corresponding position was seted up on the bearing inner race.

As a further scheme of the utility model: and the outer side position of the upper bottom of the first bearing oil seal is also connected with a lip edge tightly attached to the surface of the bearing inner ring.

As a further scheme of the utility model: the second bearing oil seal is made of an oil seal rubber coated steel sheet, end raised heads are respectively arranged at the upper end and the lower end of the second bearing oil seal, and the end raised heads are embedded into inner grooves formed in the left inner side wall of the bearing outer ring and the left outer side wall of the bearing inner ring.

As a further scheme of the utility model: the end raised head is made of pure oil-sealed rubber.

As a further scheme of the utility model: the upper end and the lower end of the steel ball are respectively positioned in steel ball grooves on the bearing outer ring and the bearing inner ring, a steel ball retainer is arranged on the outer side of the steel ball, the right end of the steel ball retainer is positioned in a groove formed in the inner side of the first bearing oil seal, and a bolt hole is formed in the outer side of the bearing outer ring on the bearing inner ring.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, two different bearing oil seals are arranged on two sides of the bearing, the right oil seal is directly clamped on the bearing, the sealing performance is good, the left oil seal is directly embedded in the inner ring and the outer ring of the bearing through the tension of the steel sheet, when lubricating grease needs to be added, the steel sheet is pressed to enable the end raised head of the steel sheet to be separated from the inner groove opening, the oil seal can be taken down, the oil seal is convenient to disassemble and assemble, and meanwhile, the oil seal is not damaged during disassembly, and the reuse is not influenced.

According to the utility model, the first bearing oil seal is embedded by the clamping block clamping groove and the oblique cutting groove of the oblique cutting block, so that better sealing performance is obtained, meanwhile, a lip edge tightly attached to the surface of the bearing inner ring is further arranged at the position of an outer opening between the first bearing oil seal and the bearing inner ring, so that the sealing performance can be further improved, the situation that dust and other foreign matters enter the bearing along the rotation of the bearing inner ring is avoided, and the service life of the bearing is prolonged.

According to the utility model, the bearing oil seal is convenient to install and easy to disassemble, after the bearing is used for a long time, the operation is convenient no matter cleaning or lubricating grease replenishing is carried out, the oil seal can be continuously used, the sealing property of the oil seal is not damaged when the oil seal is disassembled, and the oil seal does not need to be replaced, so that the expenditure is saved.

Drawings

Fig. 1 is a schematic view of a structure of an outer spherical ball bearing device.

Fig. 2 is a schematic diagram of a second bearing oil seal in an insert spherical bearing device.

Fig. 3 is an enlarged view of a portion a of an insert ball bearing device.

In the figure: 1. a bearing outer race; 2. a steel bead groove; 3. obliquely cutting a groove; 4. obliquely cutting into blocks; 5. a first bearing oil seal; 6. bolt holes; 7. a bearing inner race; 8. a steel ball retainer; 9. a groove; 10. steel balls; 11. an inner notch; 12. a second bearing oil seal; 13. A steel sheet; 14. oil seal rubber; 15. an end raised head; 16. a card slot; 17. a clamping block; 18. a lip.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 3, an insert bearing device includes a bearing outer ring 1 and a bearing inner ring 7, a steel ball 10 is disposed between the bearing outer ring 1 and the bearing inner ring 7, upper and lower ends of the steel ball 10 are respectively located in steel ball grooves 2 on the bearing outer ring 1 and the bearing inner ring 7, a steel ball retainer 8 is disposed outside the steel ball 10, the steel ball retainer 8 can uniformly limit the position of the steel ball 10, the occurrence of separation caused by non-uniform steel ball displacement when the bearing rotates at a high speed is avoided, the overall service life of the bearing is prolonged, and a bolt hole 6 is disposed on the bearing inner ring 7 and on the outer side of the bearing outer ring 1;

a first bearing oil seal 5 and a second bearing oil seal 12 are respectively arranged between the bearing outer ring 1 and the bearing inner ring 7 at the left side and the right side of the steel ball 10, the top end of the first bearing oil seal 5 is connected with an oblique cutting block 4, the oblique cutting block 4 is positioned in a bevel groove 3 formed in the inner side of the bearing outer ring 1, the bottom end of the first bearing oil seal 5 is connected with a fixture block 17, the fixture block 17 is positioned in a clamping groove 16 formed in a corresponding position on the bearing inner ring 7, a groove 9 is formed in the inner side of the first bearing oil seal 5 corresponding to the position of the steel ball retainer 8, and the outer side position of the bottom of the first bearing oil seal 5 is also connected with a lip 18 tightly attached to the surface of the bearing inner ring 7; during installation, the clamping block 17 is aligned to the clamping groove 16, the beveling block 4 is aligned to the beveling groove 3, and the first bearing oil seal 5 is pressed into the beveling groove, so that the first bearing oil seal 5 is embedded between the bearing outer ring 1 and the bearing inner ring 7, and the sealing performance of the bearing is greatly improved;

the second bearing oil seal 12 is made of oil seal rubber 14 coated steel sheets 13, end raised heads 15 are respectively arranged at the upper end and the lower end of the second bearing oil seal 12, the end raised heads 15 are made of pure oil seal rubber 14, the end raised heads 15 are embedded into inner notches 11 formed in the left inner side wall of the bearing outer ring 1 and the left outer side wall of the bearing inner ring 7, when the second bearing oil seal 12 is installed, the steel sheets 13 are pressed to enable the two ends to be close to each other, then the steel sheets are fed between the bearing outer ring 1 and the bearing inner ring 7, the end raised heads 15 are embedded into the inner notches 11 to complete installation after being loosened, when lubricating grease needs to be cleaned or replenished in the bearing, the steel sheets 13 are only required to be pressed to enable the end raised heads 15 to be separated from the inner notches 11 to be disassembled, the oil seal cannot be damaged, the oil seal can be reused, and the expenditure is reduced.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. The utility model provides an insert ball bearing device, includes bearing inner race (1) and bearing inner race (7), its characterized in that, be equipped with steel ball (10) between bearing inner race (7) and the bearing outer race (1), be equipped with first bearing oil blanket (5) and second bearing oil blanket (12) between bearing inner race (7) and bearing outer race (1) of the steel ball (10) left and right sides respectively, the top of first bearing oil blanket (5) is connected with oblique cutting block (4), and oblique cutting block (4) are located oblique grooving (3) that bearing inner race (1) inboard was seted up, and the bottom of first bearing oil blanket (5) is connected with fixture block (17), and fixture block (17) are located draw-in groove (16) that the corresponding position was seted up on bearing inner race (7).

2. An insert ball bearing arrangement according to claim 1, characterized in that a lip (18) is attached to the first bearing seal (5) at a bottom outer position against the surface of the bearing inner race (7).

3. The spherical outside bearing device according to claim 1, wherein the second bearing oil seal (12) is made of a steel sheet (13) covered with an oil seal rubber (14), the upper and lower ends of the second bearing oil seal (12) are respectively provided with an end raised head (15), and the end raised heads (15) are embedded in inner notches (11) formed in the left inner side wall of the bearing outer ring (1) and the left outer side wall of the bearing inner ring (7).

4. An insert ball bearing arrangement according to claim 3, characterised in that the end noses (15) are made of pure oil-sealing rubber (14).

5. The outer spherical ball bearing device according to any one of claims 1 to 4, wherein the upper and lower ends of the steel ball (10) are respectively located in the steel ball grooves (2) on the bearing outer ring (1) and the bearing inner ring (7), the outer side of the steel ball (10) is provided with a steel ball retainer (8), the right end of the steel ball retainer (8) is located in a groove (9) formed in the inner side of the first bearing oil seal (5), and the outer side of the bearing outer ring (1) on the bearing inner ring (7) is provided with a bolt hole (6).