CN219865892U

CN219865892U - Wear-resistant hub bearing

Info

Publication number: CN219865892U
Application number: CN202321147167.1U
Authority: CN
Inventors: 马良新
Original assignee: Autopilot Zhejiang Auto Parts Co ltd
Current assignee: Autopilot Zhejiang Auto Parts Co ltd
Priority date: 2023-05-13
Filing date: 2023-05-13
Publication date: 2023-10-20
Anticipated expiration: 2033-05-13

Abstract

The utility model discloses a wear-resistant hub bearing, which comprises a bearing assembly, wherein the bearing assembly comprises a flange, the outer surface of the flange is provided with a bearing outer ring and a bearing inner ring, bearing balls are arranged among the flange, the bearing outer ring and the bearing inner ring, a positioning assembly is arranged among the flange, the bearing outer ring and the bearing inner ring, the positioning assembly comprises ball grooves formed in the outer surfaces of the flange and the bearing inner ring, a positioning frame is arranged among the flange, the bearing outer ring and the bearing inner ring, the positions of the bearing balls correspond to those of the positioning frame, when the hub bearing is extruded by the bearing balls due to larger external extrusion force, the arrangement of the ball grooves can enable the bearing balls to move, the movable space of the bearing balls is increased, so that friction force among the bearing balls, the flange, the bearing outer ring and the bearing inner ring can be reduced, abrasion damage to the bearing balls is reduced, and the service life of the bearing balls and the hub bearing is prolonged.

Description

Wear-resistant hub bearing

Technical Field

The utility model belongs to the technical field of hub bearings, and particularly relates to a wear-resistant hub bearing.

Background

The main function of the hub bearing is to bear the weight and provide accurate guidance for the rotation of the hub, the hub bearing unit is a very important part which is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, and the hub bearing unit integrates two sets of bearings and has the advantages of good assembly performance, capability of omitting play adjustment, light weight, compact structure, large load capacity, capability of filling grease in advance for sealing the bearing, omission of external hub sealing, free maintenance and the like, is widely used in cars, and has the trend of gradually expanding application in trucks.

As known from the hub bearing with the prior authorized publication number of CN205639283U, the position of the steel ball is limited by the middle baffle matching with the retainer, when the extrusion force applied to the hub bearing is large, the flange, the inner ring and the outer ring squeeze the steel ball, so that friction between the steel ball and the flange, friction between the inner ring and the outer ring are increased, abrasion is caused to the steel ball, and the service lives of the steel ball and the hub bearing are influenced.

Disclosure of Invention

The present utility model is directed to providing a wear-resistant hub bearing to solve the above-mentioned problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wear-resisting type wheel hub bearing, includes the bearing assembly, the bearing assembly includes the ring flange, the surface of ring flange is equipped with bearing outer lane and bearing inner circle, and the bearing inner circle is located the inside of bearing outer lane, be equipped with bearing ball between ring flange, bearing outer lane and the bearing inner circle, be equipped with locating component between ring flange, bearing outer lane and the bearing inner circle, locating component is including seting up the ball groove at ring flange and bearing inner circle surface, and bearing ball is corresponding with the position in ball groove, be equipped with the locating rack between ring flange, bearing outer lane and the bearing inner circle, and the locating rack has two, bearing ball is corresponding with the position of locating rack, two be equipped with the holding ring between the locating rack.

Preferably, a positioning telescopic rod and a positioning spring are arranged in the positioning ring, the positioning spring is sleeved on the outer surface of the positioning telescopic rod, a positioning block is arranged at one end, close to the positioning frame, of the positioning telescopic rod and the positioning spring, and the positioning block corresponds to the positioning frame in position.

Preferably, the surfaces of the two positioning frames, which are close to the positioning ring, are provided with positioning grooves, and the positioning blocks are positioned in the positioning grooves.

Preferably, the surface of the positioning ring, which is close to the positioning frame, is provided with a storage groove, and the storage groove corresponds to the positioning block in position.

Preferably, an outer sealing ring is arranged on the left side between the inner surface of the bearing outer ring and the outer surface of the bearing inner ring, and an inner sealing ring is arranged on the right side between the inner surface of the bearing outer ring and the outer surface of the flange plate.

Preferably, the mounting holes are formed in the positions, close to the right side, of the outer surface of the flange plate, five mounting holes are formed in the mounting holes, the mounting blocks are arranged in the positions, close to the middle, of the outer surface of the bearing outer ring, and four mounting blocks are arranged in the mounting blocks.

Compared with the prior art, the utility model has the beneficial effects that:

this wear-resisting type hub bearing, the position of bearing ball is restricted through the locating component that sets up, when hub bearing receives external extrusion force great to cause the extrusion to bearing ball, can make bearing ball remove through the setting of ball groove, increase bearing ball's activity space, thereby can reduce the frictional force between bearing ball and the ring flange, bearing outer lane and the bearing inner race, reduce the wearing and tearing injury that bearing ball received, the life of extension bearing ball and hub bearing, the telescopic link can be driven to reset through the elasticity cooperation location locating spring, locating ring and locating rack, follow-up hub bearing's work and use of being convenient for.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.

In the figure:

1. a bearing assembly; 101. a flange plate; 102. a bearing outer ring; 103. a bearing inner ring; 104. bearing balls; 105. an outer seal ring; 106. an inner seal ring;

2. a positioning assembly; 201. a ball groove; 202. a positioning frame; 203. a positioning ring; 204. positioning a telescopic rod; 205. a positioning spring; 206. a positioning block; 207. a positioning groove; 208. and a storage groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a wear-resistant hub bearing, which comprises a bearing assembly 1, wherein the bearing assembly 1 comprises a flange plate 101, the outer surface of the flange plate 101 is provided with a bearing outer ring 102 and a bearing inner ring 103, the bearing inner ring 103 is positioned in the bearing outer ring 102, bearing balls 104 are arranged among the flange plate 101, the bearing outer ring 102 and the bearing inner ring 103, a positioning assembly 2 is arranged among the flange plate 101, the bearing outer ring 102 and the bearing inner ring 103, the positioning assembly 2 comprises ball grooves 201 formed in the outer surfaces of the flange plate 101 and the bearing inner ring 103, the positions of the bearing balls 104 correspond to the positions of the ball grooves 201, positioning frames 202 are arranged among the flange plate 101, the bearing outer ring 102 and the bearing inner ring 103, two positioning frames 202 are arranged, and a positioning ring 203 is arranged between the two positioning frames 202.

In this embodiment, preferably, a positioning telescopic rod 204 and a positioning spring 205 are disposed in the positioning ring 203, the positioning spring 205 is sleeved on the outer surface of the positioning telescopic rod 204, a positioning block 206 is disposed at one end, close to the positioning frame 202, of the positioning telescopic rod 204 and the positioning spring 205, the positioning block 206 corresponds to the positioning frame 202, the positioning block 206 can be driven to move by matching with the positioning telescopic rod 204 through the elastic force of the positioning spring 205, and the bearing ball 104 can be driven to reset by matching with the positioning frame 202.

In this embodiment, preferably, the surfaces of the two positioning frames 202 close to the positioning ring 203 are provided with positioning grooves 207, and the positioning blocks 206 are located inside the positioning grooves 207, so that stability between the positioning blocks 206 and the positioning frames 202 can be increased through the arrangement of the positioning grooves 207, and offset of the positioning blocks 206 is avoided.

In this embodiment, preferably, the positioning ring 203 is provided with a receiving groove 208 near the surface of the positioning frame 202, and the receiving groove 208 corresponds to the position of the positioning block 206, and the positioning block 206 is received by the receiving groove 208, so as to increase the moving space of the bearing ball 104.

In this embodiment, preferably, an outer sealing ring 105 is disposed on the left side between the inner surface of the bearing outer ring 102 and the outer surface of the bearing inner ring 103, an inner sealing ring 106 is disposed on the right side between the inner surface of the bearing outer ring 102 and the outer surface of the flange plate 101, and external dust and the like can be blocked by the disposed outer sealing ring 105 and inner sealing ring 106, so that the influence of dust entering the inside of the hub bearing on the use of the hub bearing is avoided.

In this embodiment, preferably, the mounting holes are formed in the position, close to the right side, of the outer surface of the flange plate 101, and five mounting holes are formed in the position, close to the middle, of the outer surface of the bearing outer ring 102, and four mounting blocks are arranged.

The working principle and the using flow of the utility model are as follows: when the device is used, the bearing balls 104 and the positioning assembly 2 are mounted through the flange plate 101 matched with the bearing outer ring 102 and the bearing inner ring 103, the positioning assembly 2 is located between the bearing balls 104, the positioning assembly 2 is matched with the mounting block through the mounting hole, the hub bearing can be mounted on the hub bearing, when the hub bearing is extruded by the bearing balls 104 due to the fact that the external extrusion force is large, the bearing balls 104 can be moved through the arrangement of the ball grooves 201, the movable space of the bearing balls 104 is increased, friction force between the bearing balls 104 and the flange plate 101, the bearing outer ring 102 and the bearing inner ring 103 is reduced, abrasion damage to the bearing balls 104 is reduced, the service life of the bearing balls 104 and the hub bearing is prolonged, the positioning block 206 can be driven to move through the elastic force matched positioning of the positioning spring 205, the positioning block 202 can drive the bearing balls 104 to reset, the follow-up hub bearing work and use are facilitated, the outside dust and the like can be blocked through the arranged outer sealing rings 105 and the inner sealing rings 106, and the influence on the use of the hub bearing due to the dust entering the hub bearing is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Wear-resisting type wheel hub bearing, including bearing assembly (1), its characterized in that: the bearing assembly (1) comprises a flange plate (101), the outer surface of the flange plate (101) is provided with a bearing outer ring (102) and a bearing inner ring (103), the bearing inner ring (103) is located inside the bearing outer ring (102), bearing balls (104) are arranged between the flange plate (101), the bearing outer ring (102) and the bearing inner ring (103), a positioning assembly (2) is arranged between the flange plate (101), the bearing outer ring (102) and the bearing inner ring (103), the positioning assembly (2) comprises ball grooves (201) formed in the outer surface of the flange plate (101) and the bearing inner ring (103), the positions of the bearing balls (104) and the ball grooves (201) are corresponding, positioning frames (202) are arranged between the flange plate (101), the bearing outer ring (102) and the bearing inner ring (103), the positioning frames (202) are two, and positioning rings (203) are arranged between the two positioning frames (202).

2. A wear resistant hub bearing in accordance with claim 1, wherein: the positioning ring (203) is internally provided with a positioning telescopic rod (204) and a positioning spring (205), the positioning spring (205) is sleeved on the outer surface of the positioning telescopic rod (204), one ends of the positioning telescopic rod (204) and the positioning spring (205) close to the positioning frame (202) are provided with positioning blocks (206), and the positioning blocks (206) correspond to the positioning frame (202) in position.

3. A wear resistant hub bearing in accordance with claim 2, wherein: positioning grooves (207) are formed in the surfaces, close to the positioning rings (203), of the two positioning frames (202), and the positioning blocks (206) are located in the positioning grooves (207).

4. A wear resistant hub bearing in accordance with claim 2, wherein: the surface of the positioning ring (203) close to the positioning frame (202) is provided with a storage groove (208), and the storage groove (208) corresponds to the positioning block (206).

5. A wear resistant hub bearing in accordance with claim 1, wherein: an outer sealing ring (105) is arranged on the left side between the inner surface of the bearing outer ring (102) and the outer surface of the bearing inner ring (103), and an inner sealing ring (106) is arranged on the right side between the inner surface of the bearing outer ring (102) and the outer surface of the flange plate (101).

6. A wear resistant hub bearing in accordance with claim 1, wherein: the mounting holes are formed in the positions, close to the right, of the outer surface of the flange plate (101), five mounting holes are formed in the mounting holes, mounting blocks are arranged in the positions, close to the middle, of the outer surface of the bearing outer ring (102), and four mounting blocks are arranged in the mounting blocks.