Anti-bulging hub bearing

By designing oil grooves and flow grooves in the wheel hub bearing, the problems of friction and overheating expansion caused by improper lubrication are solved, achieving convenient assembly and improved reliability.

CN223754482UActive Publication Date: 2026-01-02ZHEJIANG JINYANG NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202422863277.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-23
Publication Date
2026-01-02
Estimated Expiration
2034-11-23

AI Technical Summary

Technical Problem

Traditional wheel hub bearings are prone to increased friction and overheating under improper lubrication, resulting in difficult assembly, high cost and poor reliability.

Method used

An anti-expansion hub bearing was designed. By setting an oil groove and an oil flow groove in the threaded groove, the threaded fixing head is used to seal and store the lubricating oil. The lubricating oil is provided through the oil flow groove, which reduces friction and prevents overheating and expansion.

Benefits of technology

It effectively reduces friction between the wheel hub bearing and the half shaft, prevents overheating and expansion, improves the convenience and reliability of assembly, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-bulging hub bearing which comprises a mounting flange, the left end of the mounting flange is fixedly connected with a hub bearing seat, a mounting ring is arranged on the inner wall of the left side of the hub bearing seat, a hub bearing body is arranged between the mounting ring and the hub bearing seat, and a threaded groove is formed in the upper circumferential surface of the mounting flange. By means of the design, the problem that the temperature between the bearing and the half shaft is increased due to the fact that the friction between the bearing and the half shaft is increased and heat dissipation is poor due to improper lubrication when the hub bearing of an original device expands is solved, and the hub bearing is reasonable in structure and good in practicability. And then the threaded groove is blocked through the threaded fixing head, so that the oil groove forms a space for storing lubricating oil, and meanwhile, the lubricating oil is provided for the half shaft through the oil flowing groove, so that friction between the hub bearing and the half shaft is reduced, and the situation of overheating expansion of the hub bearing is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of anti-swelling wheel hub bearings, belong to wheel hub bearing technical field. BACKGROUND

[0002] Wheel hub bearing is one of the key components of automobile, its main role is to bear weight and provide accurate guidance for the rotation of wheel hub, which requires it not only can withstand axial load but also withstand radial load, traditional automobile wheel bearing is combined by two sets of tapered roller bearings or ball bearings, bearing installation, oiling, sealing and play adjustment are carried out on automobile production line. This structure makes it difficult to assemble in automobile factory, high cost, poor reliability, and when maintaining at repair shop, bearing also needs to be cleaned, oiled and adjusted.

[0003] The wheel hub bearing in the prior art expands, which is caused by the increase of bearing and half shaft friction due to improper lubrication, poor heat dissipation, temperature increase between bearing and half shaft. Now there is an urgent need for an anti-swelling wheel hub bearing to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an anti-swelling wheel hub bearing to solve the problems raised in the background art. The utility model has good practicability. Lubricating oil is introduced into the oil groove, and the threaded fixing head is used to block the threaded groove, so that the oil groove forms a space for storing lubricating oil. At the same time, the lubricating oil is provided to the half shaft through the oil flow groove, so as to reduce the friction between the wheel hub bearing and the half shaft and prevent the wheel hub bearing from overheating and expanding.

[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme: an anti-swelling wheel hub bearing, comprising a mounting flange, the left end of the mounting flange is fixedly connected with a wheel hub bearing seat, the left side inner wall of the wheel hub bearing seat is provided with a mounting ring, a wheel hub bearing body is arranged between the mounting ring and the wheel hub bearing seat.

[0006] The upper circumferential surface of the mounting flange is provided with a threaded groove, the lower inner wall of the threaded groove is provided with an oil groove, the left and right inner walls of the oil groove are fixedly connected with a plurality of butt plates, the left inner wall of the oil groove is provided with an oil flow groove, and the threaded groove is fixedly connected with a threaded fixing head through threads.

[0007] Further, the lower end of the threaded fixing head is provided with a sealing gasket, and the sealing gasket is made of rubber material.

[0008] Further, the wheel hub bearing seat and the mounting flange are fixedly connected with a fixing ring, and a plurality of through holes are formed in the surface of the mounting flange.

[0009] Further, the oil groove is communicated with the hub bearing seat through a flow oil groove.

[0010] Further, the bottom of the threaded fixing head is flush with the bottom of the threaded groove.

[0011] Further, a magnet is arranged in the threaded fixing head.

[0012] The utility model discloses a beneficial effect: a kind of hub bearing of preventing bulging of the utility model, because the utility model adds threaded fixing head, butt joint plate, oil groove and flow oil groove, through our design improvement and actual use show, the device structure is reasonable, practicality is good, by the lubricating oil is introduced into oil groove, then threaded fixing head is plugged threaded groove, so that oil groove forms the space of storage lubricating oil, while lubricating oil is provided lubricating oil to half shaft by flow oil groove, to reduce the friction of hub bearing and half shaft, prevent the overheat expansion of hub bearing. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0014] Figure 1 It is whole structure perspective schematic view of the utility model of a kind of preventing bulging hub bearing;

[0015] Figure 2 It is sectional structure schematic view of the utility model of a kind of preventing bulging hub bearing;

[0016] Figure 3 It is the utility model of a kind of preventing bulging hub bearing Figure 2 Structure schematic view in A place;

[0017] Figure 4 It is the first view sectional structure schematic view of the utility model of a kind of preventing bulging hub bearing in mounting flange;

[0018] Figure 5 It is the utility model of a kind of preventing bulging hub bearing Figure 4 Structure schematic view in A place;

[0019] Figure 6 It is the second view sectional structure schematic view of the utility model of a kind of preventing bulging hub bearing in mounting flange;

[0020] Figure 7 It is the utility model of a kind of preventing bulging hub bearing Figure 6 Structure schematic view in A place;

[0021] Figure 8 It is the structure schematic view of the utility model of a kind of preventing bulging hub bearing in sealing pad.

[0022] In the figure: 1 - mounting flange, 2 - hub bearing seat, 3 - fixed ring, 4 - hub bearing body, 5 - mounting ring, 6 - threaded groove, 7 - threaded fixing head, 8 - sealing pad, 9 - oil groove, 10 - butt joint plate, 11 - oil flow groove. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] Please refer to Figures 1-8 The utility model provides a kind of anti-swelling hub bearing, including mounting flange 1, the left end of mounting flange 1 is fixedly connected with hub bearing seat 2, the left side inner wall of hub bearing seat 2 is provided with mounting ring 5, mounting ring 5 is provided with hub bearing body 4 between hub bearing seat 2, the upper circumferential surface of mounting flange 1 is provided with threaded groove 6, the lower inner wall of threaded groove 6 is provided with oil groove 9, the left and right two side inner walls of oil groove 9 are fixedly connected with multiple butt joint plates 10, the left side inner wall of oil groove 9 is provided with oil flow groove 11, threaded groove 6 is fixedly connected with threaded fixing head 7 in threaded groove 6, and the design solves the swelling of the original device hub bearing, which is caused by the increase of bearing and half shaft friction caused by improper lubrication, poor heat dissipation, temperature increase between bearing and half shaft.

[0025] As the first embodiment of the utility model: the lower end of threaded fixing head 7 is provided with sealing pad 8, sealing pad 8 is made of rubber material, sealing pad 8 is installed at the bottom of threaded fixing head 7, can seal the passage between threaded groove 6 and oil groove 9, prevent external dust and water from entering oil groove 9, sealing pad 8 is made of rubber, according to the plastic effect of rubber, threaded groove 6 and oil groove 9 can be effectively sealed. Fixed ring 3 is fixedly connected between hub bearing seat 2 and mounting flange 1, a plurality of through holes are formed in the surface of mounting flange 1, fixed ring 3 is installed between mounting flange 1 and hub bearing seat 2, which can enhance the strength of hub bearing seat 2 and mounting flange 1, the through holes arranged on the surface of mounting flange 1 can be installed on the frame by bolts. The lubrication effect of oil groove 9 through mounting flange 1 half shaft and hub bearing body 4 prevents the expansion of hub bearing body 4 and half shaft caused by heating. The bottom of threaded fixing head 7 and the bottom of threaded groove 6 are flush with each other, threaded fixing head 7 is fixed in the bottom of threaded groove 6 through sealing pad 8, so that threaded fixing head 7 can seal oil groove 9. Magnet is arranged in threaded fixing head 7, so that users can suck threaded fixing head 7 out through dismounting tool.

[0026] As the second embodiment of the utility model: first through the tool will be fixed head 7 after taking off the thread, lubricating oil is introduced into the oil groove 9, again, the sealing gasket 8 is placed in the bottom of the thread groove 6, through the tool will be fixed head 7 in the thread groove 6, so that the oil groove 9 forms the storage space of lubricating oil, at the same time, the lubricating oil is introduced into the hub bearing body 4 through the oil groove 11, so as to increase the lubricating effect of the half shaft and the bearing.

[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A non-run-flat wheel hub bearing comprising a mounting flange (1), characterized in that: The left end of the mounting flange (1) is fixedly connected with a hub bearing seat (2), the left inner wall of the hub bearing seat (2) is provided with a mounting ring (5), and the mounting ring (5) and the hub bearing seat (2) are provided with a hub bearing body (4) therebetween. The upper circumferential surface of the mounting flange (1) is provided with a threaded groove (6), the lower inner wall of the threaded groove (6) is provided with an oil groove (9), the left and right two inner walls of the oil groove (9) are fixedly connected with a plurality of butt plates (10), the left inner wall of the oil groove (9) is provided with an oil flow groove (11), and the threaded groove (6) is fixedly connected with a threaded fixing head (7) through threads.

2. A rolling bearing according to claim 1, characterized in that: The lower end of the threaded fixing head (7) is provided with a sealing gasket (8), and the sealing gasket (8) is made of rubber material.

3. A hub bearing according to claim 1, wherein: The hub bearing seat (2) and the mounting flange (1) are fixedly connected with a fixing ring (3), and the surface of the mounting flange (1) is provided with a plurality of through holes.

4. A bump stop hub bearing according to claim 1, wherein: The oil groove (9) is communicated with the hub bearing seat (2) through the oil flow groove (11).

5. A bump stop hub bearing according to claim 1, wherein: The bottom of the threaded fixing head (7) and the bottom of the threaded groove (6) are flush with each other.

6. A bump stop hub bearing according to claim 1, wherein: The threaded fixing head (7) is provided with a magnet.