A wheel hub with a protective structure
By setting a sealing structure and wear-resistant coating between the inner and outer rings of the hub, the problem of insufficient waterproof and wear-resistant performance of existing hubs at the installation connection is solved, and a longer service life and higher wear resistance are achieved.
Patent Information
- Application Number
- CN202421625015.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The existing wheel hubs are difficult to protect against water at the installation connection, and their wear resistance is insufficient, which affects service life.
A hub with a protective structure is designed. By setting a sealing plug and sealing ring between the inner ring and the outer ring of the hub, combining thread grooves and thread rings, waterproof and dust-proof protection at the installation connection, and a wear-resistant coating is applied to the outer ring.
It effectively prevents moisture and dust from entering the hub installation connection, extends service life, and improves the wear resistance of the hub.
Smart Images

Figure CN222713231U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of wheel hubs, in particular to a wheel hub with a protective structure. Background Art
[0002] The wheel hub, also known as the rim, is the rotating part of the wheel core connected to the inner profile of the tire through a column, that is, the metal component mounted on the shaft in the center of the tire that supports the tire. It is also called a rim, steel ring, wheel, and tire bell. There are many types of wheel hubs depending on the diameter, width, molding method, and material. Current wheel hubs are often installed with flanges, and the through holes of the mounting flanges are easily flooded, causing the nuts to be eroded by rainwater, affecting their service life. Therefore, a wheel hub with a protective structure is needed.
[0003] The existing wheel hub is inconvenient to provide waterproof protection for the wheel hub installation connection when in use, and the wear resistance is poor. Therefore, a wheel hub with a protective structure is urgently needed. Utility Model Content
[0004] Based on this, the purpose of the utility model is to provide a wheel hub with a protective structure to solve the problem that the existing wheel hub is inconvenient to provide waterproof protection for the mounting flange and has poor wear resistance.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wheel hub with a protective structure, comprising a wheel hub outer ring, the inner wall of the wheel hub outer ring is fixedly connected to the wheel hub inner ring, a sealing plug is installed inside the wheel hub inner ring, the outer wall of the sealing plug is fixedly connected to a sealing ring, and the inner wall of the sealing plug is fixedly connected to a draw buckle.
[0006] A thread groove is provided inside the inner ring of the wheel hub, a thread ring is installed inside the inner ring of the wheel hub, and a dust cover plate is fixedly connected to the outer wall of the thread ring.
[0007] The outer wall of the hub outer ring is fixedly connected with a wear-resistant coating.
[0008] Preferably, the wheel hub inner ring is of open-hole design, and the sealing plug is snap-connected to the wheel hub inner ring via a sealing ring.
[0009] Preferably, the sealing plug is arranged in a circular ring shape, and the sealing plug is arranged in a ring shape with the central axis of the inner ring of the wheel hub as the center.
[0010] Preferably, the number of the sealing rings is set to two groups, and the sealing rings are arranged at equal intervals on the outer wall of the sealing plug.
[0011] Preferably, the wheel hub inner ring is threadedly connected to the threaded ring via a threaded groove, and the threaded groove is adapted to the threaded ring.
[0012] Preferably, the wear-resistant coating is made of silicon carbide, and the wear-resistant coating is tightly fitted to the outer ring of the wheel hub.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The utility model provides a wheel hub inner ring, a sealing plug and a sealing ring. By moving the sealing plug, the sealing plug is inserted into the mounting hole provided inside the wheel hub inner ring. Under the action of the sealing ring, the sealing plug can be engaged with the wheel hub inner ring, thereby achieving the effect of facilitating waterproof protection of the wheel hub installation connection.
[0015] 2. The utility model provides the wheel hub inner ring, the thread groove, the thread ring and the dust cover. By moving the dust cover, inserting the thread ring into the thread groove and rotating it, the dust cover can be installed, which facilitates dust protection of the wheel hub installation connection.
[0016] 3. The utility model provides a wheel hub outer ring and a wear-resistant coating, wherein the wear-resistant coating is fixedly connected to the outer wall of the wheel hub outer ring, and the material of the wear-resistant coating is silicon carbide, which can improve the wear resistance of the wheel hub outer ring. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure disassembly of the utility model;
[0019] Figure 3 For this utility model Figure 2 A magnified view of the structure at center;
[0020] Figure 4 It is a three-dimensional cross-sectional view of the outer ring of the wheel hub of the utility model.
[0021] In the figure: 1. outer ring of wheel hub; 2. inner ring of wheel hub; 3. sealing plug; 4. sealing ring; 5. buckle; 6. thread groove; 7. thread ring; 8. dust cover; 9. wear-resistant coating. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0023] The following describes an embodiment of the utility model based on its overall structure.
[0024] See also Figure 1-4A wheel hub with a protective structure comprises a wheel hub outer ring 1, the inner wall of the wheel hub outer ring 1 is fixedly connected to the wheel hub inner ring 2, a sealing plug 3 is installed inside the wheel hub inner ring 2, a sealing ring 4 is fixedly connected to the outer wall of the sealing plug 3, a buckle 5 is fixedly connected to the inner wall of the sealing plug 3, the wheel hub inner ring 2 is an open hole design, and the sealing plug 3 is snap-connected to the wheel hub inner ring 2 through the sealing ring 4, the sealing plug 3 is annularly arranged, and the sealing plug 3 is annularly arranged with the central axis of the wheel hub inner ring 2 as the center, the number of sealing rings 4 is set to two groups, and the sealing rings 4 are arranged at equal intervals on the outer wall of the sealing plug 3, which can facilitate waterproof protection of the wheel hub installation connection.
[0025] See also Figure 1-4 A wheel hub with a protective structure, a threaded groove 6 is opened inside the inner ring 2 of the wheel hub, a threaded ring 7 is installed inside the inner ring 2 of the wheel hub, a dust cover plate 8 is fixedly connected to the outer wall of the threaded ring 7, the inner ring 2 of the wheel hub is threadedly connected to the threaded ring 7 through the threaded groove 6, and the threaded groove 6 is adapted to the threaded ring 7, which can facilitate dust protection of the installation connection of the wheel hub.
[0026] See also Figure 1-4 A wheel hub with a protective structure, the outer wall of the wheel hub outer ring 1 is fixedly connected with a wear-resistant coating 9, the material of the wear-resistant coating 9 is silicon carbide, and the wear-resistant coating 9 is tightly fitted with the wheel hub outer ring 1, which can improve the wear resistance of the wheel hub outer ring 1.
[0027] Working principle: When in use, the sealing plug 3 is moved to be inserted into the mounting hole opened inside the inner ring 2 of the wheel hub. Under the action of the sealing ring 4, the sealing plug 3 can be engaged with the inner ring 2 of the wheel hub, which plays a role in facilitating waterproof protection of the installation connection of the wheel hub. The buckle 5 is pulled outward to remove the sealing plug 3. The dust cover 8 is moved to insert the threaded ring 7 into the threaded groove 6 and rotate it. Since the threaded ring 7 is threadedly connected to the inner ring 2 of the wheel hub through the threaded groove 6, the dust cover 8 can be installed, which plays a role in facilitating dust protection of the installation connection of the wheel hub. A wear-resistant coating 9 is fixedly connected to the outer wall of the outer ring 1 of the wheel hub, and the material of the wear-resistant coating 9 is silicon carbide, which can improve the wear resistance of the outer ring 1 of the wheel hub, thereby further improving the service life of the wheel hub. In this way, the use process of the device is completed. The contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.
[0028] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.
[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A wheel hub with a protective structure, comprising a wheel hub outer ring (1), characterized in that: The inner wall of the wheel hub outer ring (1) is fixedly connected to the wheel hub inner ring (2), a sealing plug (3) is installed inside the wheel hub inner ring (2), a sealing ring (4) is fixedly connected to the outer wall of the sealing plug (3), and a buckle (5) is fixedly connected to the inner wall of the sealing plug (3); A thread groove (6) is provided inside the wheel hub inner ring (2), a thread ring (7) is installed inside the wheel hub inner ring (2), and a dust cover plate (8) is fixedly connected to the outer wall of the thread ring (7); The outer wall of the hub outer ring (1) is fixedly connected with a wear-resistant coating (9).
2. The wheel hub with a protective structure according to claim 1, characterized in that: The wheel hub inner ring (2) is of open hole design, and the sealing plug (3) is snap-connected to the wheel hub inner ring (2) via a sealing ring (4).
3. The wheel hub with a protective structure according to claim 1, characterized in that: The sealing plug (3) is arranged in a circular ring shape, and the sealing plug (3) is arranged in a ring shape with the central axis of the wheel hub inner ring (2) as the center.
4. The wheel hub with a protective structure according to claim 1, characterized in that: The number of the sealing rings (4) is set to two groups, and the sealing rings (4) are arranged at equal intervals on the outer wall of the sealing plug (3).
5. The wheel hub with a protective structure according to claim 1, characterized in that: The wheel hub inner ring (2) is threadedly connected to the threaded ring (7) via a threaded groove (6), and the threaded groove (6) and the threaded ring (7) are matched.
6. The wheel hub with a protective structure according to claim 1, characterized in that: The material of the wear-resistant coating (9) is silicon carbide, and the wear-resistant coating (9) is tightly fitted to the wheel hub outer ring (1).