Hub bearing unit flange

By setting a fixing mechanism inside the flange body and using the elasticity of the gasket to enhance the connection between the hub and the flange, the problem of flange loosening and falling off in the existing technology is solved, and a more stable installation effect is achieved.

CN223578583UActive Publication Date: 2025-11-21HANGZHOU LAISHENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520474035.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2025-11-21
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

The existing wheel hub bearing unit flange is prone to loosening and falling off during installation, posing a safety hazard and affecting its service life.

Method used

A fixing mechanism is set in the flange body, including a second mounting hole and a gasket. A bolt passes through the hub into the second mounting hole and is threadedly connected to the gasket. The elasticity of the gasket enhances the fixing effect.

Benefits of technology

This improves the tightness of the connection between the wheel hub and the flange, preventing loosening and detachment, and enhancing the stability and safety of the installation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223578583U_ABST
    Figure CN223578583U_ABST
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Abstract

The utility model belongs to the technical field of hub bearings, and particularly relates to a hub bearing unit flange which comprises a flange body, a boss is arranged on the top of the flange body, and the boss and a connecting shaft are fixedly installed through a limiting clamping base. A fixing mechanism is arranged at the bottom of the flange body; wherein the fixing mechanism comprises a second mounting hole and a clamping pad, the bottom of the second mounting hole is communicated with the clamping groove, and the clamping pad is clamped in the mounting groove through a flange. According to the flange, the fixing mechanism is arranged in the flange body, and the bolt penetrates through the hub to enter the second mounting hole, so that in the bolt tightening process, the bolt can tightly press the clamping pad, the hub and the flange are connected more tightly under the action of the elasticity of the clamping pad, and the flange is prevented from being damaged. Therefore, loosening and falling are avoided.
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Description

Technical Field

[0001] This utility model belongs to the field of wheel hub bearing technology, and specifically relates to a wheel hub bearing unit flange. Background Technology

[0002] Wheel hub bearings are key components in automobiles used to connect wheels, brake discs, steering knuckles, or rear axles and drive shafts. Their function is to reduce friction during the rotation of the wheel hub, thereby improving rotational efficiency. They are an important device for the load-bearing and rotation of automobiles. A wheel hub bearing unit consists of a flange, inner ring, outer ring, and balls. The flange is the core component of the wheel hub bearing unit, and the performance of its materials and the design of its structure are related to the service life and rotation of the wheel hub bearing.

[0003] Problems with existing technology:

[0004] Currently, when installing and using existing wheel hub bearing unit flanges, the fixing structure between the flange and the wheel hub lacks sufficient reinforcement. As a result, the bolts used to fix the flange to the wheel hub are prone to loosening and falling off, which poses a significant safety hazard and causes considerable wear to the flange, affecting its service life. Utility Model Content

[0005] The purpose of this utility model is to provide a hub bearing unit flange that can use a fixing mechanism set inside the flange body to allow bolts to pass through the hub and enter the second mounting hole. Therefore, during the tightening of the bolts, the bolts can press the gasket, and under the elasticity of the gasket itself, the connection between the hub and the flange is more compact, thereby preventing loosening and falling off.

[0006] The specific technical solution adopted by this utility model is as follows:

[0007] A hub bearing unit flange includes a flange body, the top of which is provided with a boss, and the boss is fixedly installed with a connecting shaft by a limiting bracket.

[0008] A fixing mechanism is provided at the bottom of the flange body;

[0009] The fixing mechanism includes a second mounting hole and a retaining pad. The bottom of the second mounting hole communicates with the retaining groove, and the retaining pad is engaged with the inside of the mounting groove by a flange.

[0010] The flange body, boss, limiting seat and connecting shaft are integrally cast, and the top of the flange body has six sets of first mounting holes arranged around it, with the first mounting holes penetrating the connecting shaft.

[0011] The first mounting hole has a threaded groove inside, and the top of the flange body has several roughening grooves arranged concentrically. The fixing mechanism is arranged concentrically with the flange body.

[0012] The second mounting hole is communicated with the clamping groove through the mounting groove, the clamping groove and the mounting groove pass through the flange body and the boss, the second mounting hole passes through the limiting clamping seat and the connecting shaft, and the second mounting hole is internally provided with a threaded groove.

[0013] The flange is fixedly installed with the boss through the mounting groove, and the flange is annular.

[0014] The clamping pad is annular and is clamped with the boss, and the bolt is threadedly installed through the clamping pad and the second mounting hole.

[0015] The utility model discloses technical effects achieved are:

[0016] The utility model discloses a flange body fixing mechanism, including flange body, the boss, the limiting clamping seat, the connecting shaft, the first mounting hole, the fixed mechanism, the boss is installed on the top of flange body, the limiting clamping seat is installed on the boss, the connecting shaft is installed in the limiting clamping seat, the first mounting hole is installed on the flange body, and the fixed mechanism is installed in the flange body.

[0017] The utility model discloses a flange body fixing mechanism, including flange body, the boss, the limiting clamping seat, the connecting shaft, the first mounting hole, the fixed mechanism, the boss is installed on the top of flange body, the limiting clamping seat is installed on the boss, the connecting shaft is installed in the limiting clamping seat, the first mounting hole is installed on the flange body, and the fixed mechanism is installed in the flange body. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall installation structure schematic drawing of the utility model, and the flange body is installed on the wheel hub.

[0019] Figure 2 It is the fixed mechanism installation structure schematic drawing of the utility model.

[0020] Figure 3 It is the clamping pad installation structure schematic drawing in the utility model.

[0021] Figure 4 It is the overall structure analysis schematic drawing in the utility model.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 1, flange body;2, boss;3, limiting clamping seat;4, connecting shaft;5, roughening groove;6, first mounting hole;7, fixed mechanism;71, second mounting hole;72, clamping pad;73, clamping groove;74, mounting groove;75, flange. DETAILED DESCRIPTION

[0024] In order to make the purpose and advantages of the utility model more clearly, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model and does not strictly limit the protection scope of the utility model specifically requested.

[0025] As shown in Figures 1-4 A kind of hub bearing unit flange, including flange body 1, the top of flange body 1 is provided with boss 2, boss 2 is fixedly installed by limiting holder 3 with connecting shaft 4;

[0026] The bottom of flange body 1 is provided with fixing mechanism 7;

[0027] Among them, fixing mechanism 7 includes second mounting hole 71 and clamping pad 72, the bottom of second mounting hole 71 is communicated with clamping groove 73, clamping pad 72 is clamped in the inside of installation groove 74 by flange 75.

[0028] Referring to the attached Figure 1 And Figure 2 , flange body 1, boss 2, limiting holder 3 and connecting shaft 4 are integrally cast into shape, and the top of flange body 1 is surrounded by six groups of first mounting hole 6, and first mounting hole 6 penetrates connecting shaft 4.

[0029] In the above examples, since flange body 1, boss 2, limiting holder 3 and connecting shaft 4 are integrated structure, so that the overall structural strength of unit flange is higher, and under the cooperation of boss 2 and limiting holder 3, the unit flange can be clamped with hub bearing, thereby improving the tightness of unit flange installation, further improving the stability of installation.

[0030] Specifically, keyway is formed on the side surface of connecting shaft 4, so that when connecting shaft 4 passes through hub bearing, connecting shaft 4 can be conveniently connected with transmission shaft through coupling under the action of keyway.

[0031] More specifically, first mounting hole 6 is formed on the surface of flange body 1, and a threaded groove is arranged in the inside of first mounting hole 6, so that flange body 1 can be conveniently installed with hub, and a plurality of pull grooves 5 are concentrically arranged on the top of flange body 1, and the friction area of flange body 1 can be improved under the action of pull grooves 5, further improving the stability of installation.

[0032] Referring to the attached Figure 2 , Figure 3 And Figure 4 , second mounting hole 71 and clamping groove 73 are communicated through installation groove 74, clamping groove 73 and installation groove 74 penetrate flange body 1 and boss 2, second mounting hole 71 penetrates limiting holder 3 and connecting shaft 4, and a threaded groove is arranged in the inside of second mounting hole 71.

[0033] In the above embodiment, the bolt is enabled to pass through the clamping pad 72 and be screwed with the second mounting hole 71 through the thread groove, and the bolt is provided with a gasket, so that the gasket of the bolt can extrude the clamping pad 72 during the screwing process.

[0034] Further, the flange 75 is fixedly installed with the boss 2 through the mounting groove 74, and the flange 75 is annular, and the clamping pad 72 is annular and clamped with the boss 2, so that the bolt can be prevented from loosening and falling off through the reaction force of the clamping pad 72 after the bolt is screwed with the second mounting hole 71 under the elastic action of the clamping pad 72, thereby improving the safety of the vehicle.

[0035] The working principle of the utility model is as follows: the connecting shaft 4 is passed through the wheel hub bearing and connected with the transmission shaft through the key groove of the connecting shaft 4, the connecting shaft 4 and the flange body 1 are limited by the boss 2 and the limiting clamp 3 during the connection, the wheel hub is arranged on one side of the flange body 1, the bolt is screwed with the second mounting hole 71 after passing through the wheel hub and entering the inside of the flange body 1, the clamping pad 72 is extruded by the gasket of the bolt during the installation, the connection between the bolt and the second mounting hole 71 is more close under the elastic action of the clamping pad 72, thereby avoiding loosening and falling off, and the wheel hub can be completely installed and fixed by using the bolt and the first mounting hole 6 after installation.

[0036] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A hub bearing unit flange characterized by, Include: The flange body (1), the top of the flange body (1) is provided with boss (2), the boss (2) is fixedly installed with connecting shaft (4) through limiting holder (3); The bottom of the flange body (1) is provided with fixing mechanism (7); Wherein, the fixing mechanism (7) includes second mounting hole (71) and clamping pad (72), the bottom of the second mounting hole (71) is communicated with the clamping groove (73), the clamping pad (72) is clamped in the inside of the installation groove (74) through the flange (75).

2. A hub bearing unit flange according to claim 1, characterized in that: The flange body (1), boss (2), limiting holder (3) and connecting shaft (4) are integrally cast into shape, and the top of the flange body (1) is surrounded by six groups of first mounting hole (6), the first mounting hole (6) penetrates the connecting shaft (4).

3. A hub bearing unit flange according to claim 2, characterised in that: The inside of the first mounting hole (6) is provided with a thread groove, the top of the flange body (1) is concentrically arranged with a plurality of roughening grooves (5), the fixing mechanism (7) and the flange body (1) are concentrically arranged.

4. A hub bearing unit flange according to claim 1, characterized in that: The second mounting hole (71) and the clamping groove (73) are communicated through the installation groove (74), the clamping groove (73) and the installation groove (74) penetrate the flange body (1) and the boss (2), the second mounting hole (71) penetrates the limiting holder (3) and the connecting shaft (4), the inside of the second mounting hole (71) is provided with a thread groove.

5. A hub bearing unit flange according to claim 1, characterized in that: The flange (75) is fixedly installed with the boss (2) through the installation groove (74), and the flange (75) is annular.

6. A hub bearing unit flange according to claim 1, characterized in that: The clamping pad (72) is annular, and is clamped with the boss (2), and the bolt is screwed with the second mounting hole (71) through the clamping pad (72).