CN218953819U

CN218953819U - Angular contact ball bearing with flange

Info

Publication number: CN218953819U
Application number: CN202222970703.XU
Authority: CN
Inventors: 徐卫军; 梁浙辉; 求杭宇; 陈意; 石莹莹; 蔡湾湾
Original assignee: Zhejiang Xinchun Aerospace Bearing Co ltd
Current assignee: Zhejiang Xinchun Aerospace Bearing Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-05-02
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses an angular contact ball bearing with a flange, which comprises two bearing outer rings, two bearing inner rings and sealing combinations, wherein the two bearing inner rings are closely and symmetrically arranged on the inner sides of the bearing outer rings, a retainer is arranged between the two bearing inner rings and the bearing outer rings, a plurality of spherical rollers are arranged on the retainer, one end of the outer wall of the bearing outer ring protrudes outwards to form a flange plate, and the two sealing combinations are respectively arranged on the left side and the right side of the ball bearing.

Description

Angular contact ball bearing with flange

Technical Field

The utility model relates to the technical field of transmission parts, in particular to an angular contact ball bearing with a flange.

Background

The bearing is an important part in modern mechanical equipment and is mainly used as a core transmission part. The angular contact ball bearing is one of bearings, can bear radial load and axial load at the same time, has the advantages of strong bearing capacity and high safety and reliability, and is widely applied to the fields of machine tools, automobiles, photoelectric systems and the like.

At present, conventional angular contact ball bearings are required to be installed on matched bearing seats and other parts for use, modern electromechanical equipment gradually develops towards light weight and integration, the total amount of the equipment and the volume of the equipment are required to be continuously reduced, and thus, all mechanisms are required to be capable of reducing weight and integrating. The transmission part also has the above requirements as a core mechanism in the equipment, the light weight and integrated development of the transmission part requires that the bearing abandons the original installation mode, and a brand new structure is designed so that the transmission part can be directly installed on the equipment (mainly a large angular contact ball bearing which has the characteristics of large diameter and heavy weight, and a bearing seat part required by installation of the transmission part can be larger and heavier, so that the formed transmission part is heavy in weight and large in volume, and does not compound the development requirements of light weight and integration).

Disclosure of Invention

The utility model aims to solve the requirements of the prior art and provide an angular contact ball bearing with a flange.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a flanged angular contact ball bearing, includes bearing inner race, bearing inner race and sealed combination, bearing inner race quantity is two, and two bearing inner races are hugged closely and the symmetry is installed in the inboard of bearing outer race, two all install the holder between bearing inner race and the bearing outer race, install a plurality of spherical roller on the holder, bearing outer race outer wall one end outwards protrudes and forms the ring flange, two sealed combination is installed in ball bearing's left and right sides respectively.

One side wall of the bearing inner ring is set to be a meshing surface, the meshing surface is a rough surface, and the two bearing inner rings are mounted by being pasted with the meshing surface.

The bearing is characterized in that a roller installation slope and a roller groove are formed in the outer wall of the bearing inner ring, the high point of the roller installation slope is connected to the roller groove, the low point of the roller installation slope extends to the occlusal surface side, and the spherical roller is clamped in the roller groove.

The other side wall of the bearing inner ring is outwards protruded to form a sealing boss, and the lower end of the sealing assembly is contacted with the wall surface of the sealing boss to form a sealing effect.

The sealing assembly comprises a framework and a sealing rubber sleeve, wherein the sealing rubber sleeve is covered outside the framework, an inclined part is arranged at the upper end of the framework, the sealing rubber sleeve forms an installation clamping head at the inclined part, a sealing member clamping groove is formed in the inner wall of the outer ring of the bearing, the installation clamping head can be installed in the sealing member clamping groove, and a sealing inner lip is connected to the side wall of the lower end of the sealing rubber sleeve.

The sealing inner lip is provided with two rings of inner lip slots, and the ends of the two rings of sealing inner lips are respectively inserted into the two rings of inner lip slots.

The beneficial effects of the utility model are as follows: the utility model has reasonable structural layout, and the bearing outer ring adopts a brand new self-contained flange plate structure, so that the bearing can be directly installed on equipment to meet the requirements of light weight and integration, a plurality of sealing effects can be formed on the sealing combination at two sides of the bearing, the bearing has the advantages of reliable sealing, effective dust prevention and oil preservation, and the bearing can stably operate under severe working conditions, and the service life of the bearing can be effectively prolonged.

Drawings

FIG. 1 is a front elevational view of the present utility model;

FIG. 2 is an enlarged view of the connecting structure of the inner and outer races of the bearing of the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: the bearing outer ring 1, the flange 11, the seal clamping groove 12, the bearing inner ring 2, the engagement surface 21, the roller mounting slope 22, the roller groove 23, the sealing boss 24, the inner lip slot 241, the retainer 3, the spherical roller 4, the sealing combination 5, the framework 51, the inclined part 511, the sealing rubber sleeve 52, the mounting clamp 521 and the sealing inner lip 522.

Detailed Description

The utility model is further described with reference to the drawings and detailed description, wherein the description of the utility model such as "left" and "right" is directed with reference to fig. 1:

as shown in fig. 1 to 3, an angular contact ball bearing with flange comprises a bearing outer ring 1, a bearing inner ring 2 and a sealing combination 5, the number of the bearing inner rings 2 is two, the two bearing inner rings 2 are closely attached to and symmetrically installed on the inner side of the bearing outer ring 1, a retainer 3 is installed between the two bearing inner rings 2 and the bearing outer ring 1, a plurality of spherical rollers 4 are installed on the retainer 3, through the structure, two rows of symmetrical rollers can be formed in the bearing to meet the requirement of bidirectional loading, one end of the outer wall of the bearing outer ring 1 is outwards protruded to form a flange 11, thus, the bearing is of a flange structure, the bearing is no longer required to be installed on a bearing seat, the bearing is a part capable of being directly installed, and can be directly in bolt butt joint with a user.

As shown in fig. 2, one of the side walls of the bearing inner rings 2 is provided with a meshing surface 21, the meshing surface 21 is a rough surface, friction can be increased, the two bearing inner rings 2 are mounted by being attached to each other through the meshing surface 21, the two bearing inner rings 2 are used for facilitating assembly of the bearing, but after assembly, the two bearing inner rings 2 can rotate respectively, hidden danger of unstable operation exists, a driving effect can be formed on the two bearing inner rings 2 through the friction effect of the meshing surface 21, linkage is achieved, and the operation stability of the bearing is improved.

As shown in fig. 2, a roller installation slope 22 and a roller groove 23 are arranged on the outer wall of the bearing inner ring 2, the high point of the roller installation slope 22 is connected to the roller groove 23, the low point of the roller installation slope 22 extends to the occlusal surface 21 side, the spherical roller 4 is clamped in the roller groove 23, and when the bearing is installed, the spherical roller 4 can slide into the roller groove 23 along the roller installation slope 22.

As shown in fig. 2 and 3, the other side wall of the bearing inner ring 2 protrudes outwards to form a sealing boss 24, the lower end of the sealing assembly 5 contacts the wall surface of the sealing boss 24, and the sealing boss 24 is specially used for contacting with a sealing element to form a sealing effect.

As shown in fig. 2 and 3, the sealing assembly 5 includes a frame 51 and a sealing rubber sleeve 52, the sealing rubber sleeve 52 is covered on the outer side of the frame 51, the frame 51 can provide rigidity and elasticity to the sealing assembly 5, an inclined portion 511 is provided at the upper end of the frame 51, the sealing rubber sleeve 52 forms a mounting chuck 521 at the position of the inclined portion 511, a sealing member clamping groove 12 is provided on the inner wall of the bearing outer ring 1, the inclined portion 511 is inclined and bent, the sealing assembly has elasticity, the mounting chuck 521 can smoothly slide into the sealing member clamping groove 12, a sealing inner lip 522 is connected on the side wall of the lower end of the sealing rubber sleeve 52, the mounting chuck 521 plays a sealing role of the position of the bearing outer ring 1, the sealing inner lip 522 contacts with the side wall of the bearing inner ring 2 to form a sealing effect of the position of the bearing inner ring 2, and after the two are combined, comprehensive lateral sealing is formed, dust can be prevented from flying into the bearing, lubricating oil at the inner side of the bearing can also be prevented from leaking, through the adoption of the sealing assembly 5, the sealing assembly can be used in a severe working condition, and the service life of the bearing can be effectively prolonged.

As shown in fig. 3, the sealing inner lip 522 is provided with two rings of inner lip slots 241, the ends of the two rings of sealing inner lips 522 are respectively inserted into the two rings of inner lip slots 241, and as the position of the bearing inner ring 2 is a dynamic seal, the sealing reliability is required to be higher, so that the utility model adopts the design of the two rings of sealing inner lips 522, the two rings of sealing inner lips 522 can form two sealing effects, the sealing reliability of the side surface of the bearing is ensured, the conventional bearing inner ring 2 is an outer wall seal, under the requirements of light weight and integration, the utility model realizes the weight reduction of the whole bearing, the width of the bearing inner ring 2 is smaller, and the original outer wall seal is not applicable any more, therefore, the utility model makes full use of the space structure of the bearing inner ring 2 and the bearing inner ring 1, and designs the side wall sealing structure of the bearing inner ring 2, and the sealing structure does not influence the transmission, and can meet the sealing requirements.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a flanged angular contact ball bearing, includes bearing outer lane (1), bearing inner circle (2) and sealed combination (5), its characterized in that: the bearing is characterized in that the number of the bearing inner rings (2) is two, the two bearing inner rings (2) are clung to and symmetrically arranged on the inner side of the bearing outer ring (1), a retainer (3) is arranged between the two bearing inner rings (2) and the bearing outer ring (1), a plurality of spherical rollers (4) are arranged on the retainer (3), one end of the outer wall of the bearing outer ring (1) protrudes outwards to form a flange plate (11), and the two sealing assemblies (5) are respectively arranged on the left side and the right side of the ball bearing.

2. A flanged angular contact ball bearing according to claim 1, wherein: one side wall of the bearing inner ring (2) is set to be a meshing surface (21), the meshing surface (21) is a rough surface, and the two bearing inner rings (2) are mounted by being attached to each other through the meshing surface (21).

3. A flanged angular contact ball bearing according to claim 2, wherein: the bearing inner ring (2) is provided with a roller installation slope (22) and a roller groove (23), the high point of the roller installation slope (22) is connected to the roller groove (23), the low point of the roller installation slope (22) extends to the occlusal surface (21) side, and the spherical roller (4) is clamped in the roller groove (23).

4. A flanged angular contact ball bearing according to claim 1, wherein: the other side wall of the bearing inner ring (2) is outwards protruded to form a sealing boss (24), and the lower end of the sealing combination (5) is contacted with the wall surface of the sealing boss (24) to form a sealing effect.

5. A flanged angular contact ball bearing according to claim 4, wherein: the sealing assembly (5) comprises a framework (51) and a sealing rubber sleeve (52), the sealing rubber sleeve (52) is covered outside the framework (51), an inclined part (511) is arranged at the upper end of the framework (51), the sealing rubber sleeve (52) forms an installation clamping head (521) at the position of the inclined part (511), a sealing member clamping groove (12) is formed in the inner wall of the bearing outer ring (1), the installation clamping head (521) can be installed in the sealing member clamping groove (12), and a sealing inner lip (522) is connected to the side wall of the lower end of the sealing rubber sleeve (52).

6. A flanged angular contact ball bearing according to claim 5, wherein: the sealing inner lip (522) is provided with two rings of inner lip slots (241), and the sealing boss (24) is provided with two rings of inner lip slots (241), and the ends of the two rings of sealing inner lips (522) are respectively inserted into the two rings of inner lip slots (241).