Hub unit of electric vehicle

Abstract

The utility model relates to the technical field of electric vehicles, and discloses an electric vehicle hub unit which comprises a hub body, auxiliary hub rings are fixedly connected to the front end and the rear end of the hub body, a reserved groove is formed in the hub body, a reinforcing disc is installed at the front end of the reserved groove, reinforcing spokes are fixedly welded to the outer portion of the reinforcing disc, and the reinforcing spokes are fixedly welded to the outer portion of the hub body. And the reinforcing spoke is installed on the hub body in a welded mode, a protection plate is installed at the front end of the reinforcing disc, and reinforcing bolts are installed at the four corners of the protection plate. According to the electric vehicle hub unit, external objects can be prevented from directly rubbing the supporting assembly in the hub through the protection plate, the overall wear-resisting effect can be improved through the wear-resisting coating on the protection plate, the overall supporting and protecting effect can be improved through the protection supporting plate, the protection supporting ring and the reinforcing ring on the inner side of the protection plate, and overall friction to the hub body is reduced; and the protection plate can be regularly detached and replaced, so that the efficient wear-resistant protection effect is ensured, and the problem of poor wear-resistant protection effect is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, and particularly relates to an electric vehicle hub unit. Background Art

[0002] An electric vehicle refers to a vehicle driven by electricity. The hub is one of the necessary parts of an electric vehicle. The hub is a cylindrical metal part that supports the tire inside the tire profile and is centered on the axle. According to the characteristics and requirements of different vehicle models, different surface treatment processes are adopted for the hub, which can be roughly divided into two types: baking paint and electroplating.

[0003] There are many types of hubs for electric vehicles. When common hubs are in use, there is also a problem of poor wear resistance and protection. During the driving process of an electric vehicle hub, once a protruding foreign object rubs against the hub, the components used for support at the center of the hub are easily subjected to greater friction and damage, thereby affecting the overall stability of the hub.

[0004] There is an urgent need for an electric vehicle hub unit to solve the technical defects mentioned in the above technology. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an electric vehicle hub unit to solve the problem of poor wear resistance and protection mentioned in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An electric vehicle hub unit includes a hub main body. Auxiliary hub rings are fixedly connected to the front end and the rear end of the hub main body. A reserved groove is arranged inside the hub main body. A reinforcement plate is installed at the front end of the reserved groove. Reinforcement spokes are fixedly welded to the outside of the reinforcement plate and are welded to the hub main body. A protection plate is installed at the front end of the reinforcement plate. Reinforcement bolts are installed at the four corners of the protection plate. A wear-resistant coating is arranged at the front end of the protection plate. A strengthening ring is arranged inside the protection plate. A protection support ring is arranged at the center of the strengthening ring. Protection support plates are fixedly connected to the outside of the protection support ring. Heat dissipation openings are formed in the protection support plates. Heat dissipation holes are arranged at the front end and the rear end of the hub main body. Two groups of rim grooves are arranged at the rim of the hub main body. Heat conduction sheets are installed between the rim grooves.

[0007] As a further technical solution of the utility model, there are four groups of the reinforcement bolts, and the reinforcement bolts penetrate through the protection plate and are installed at the front end of the hub main body.

[0008] As a further technical solution of the utility model, there are six groups of the protection support plates, and the protection support plates are fixedly welded to the strengthening ring.

[0009] As a further technical solution of the present utility model, a reinforcing groove is provided inside the reinforcing spoke, and a first reinforcing rib is fixedly connected inside the reinforcing groove.

[0010] As a further technical solution of the present utility model, six groups of the reinforcing spokes are provided, and a second reinforcing rib is fixedly welded between the reinforcing spokes.

[0011] As a further technical solution of the present utility model, the heat dissipation holes are arc-shaped and are annularly distributed on the hub body.

[0012] As a further technical solution of the present utility model, the heat conducting sheet is fixedly connected to the hub body by welding, and heat conducting holes are uniformly formed inside the heat conducting sheet.

[0013] As a further technical solution of the present utility model, the wear-resistant coating adopts a hard chromium coating material, and the wear-resistant coating can be electroplated on the surface of the hub body.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: The electric vehicle hub unit not only realizes the function of enhancing wear resistance and protection, realizes the function of enhancing support stability, but also realizes the function of facilitating heat conduction and heat dissipation;

[0015] (1) By providing a protective plate, reinforcing bolts, wear-resistant coating, protective support plate, protective support ring and reinforcing ring, the protective plate is installed at the front end of the hub body through the reinforcing bolts. The protective plate can prevent foreign objects from directly rubbing against the support components inside the hub. The wear-resistant coating on the protective plate can improve its overall wear-resistant effect. The protective support plate, protective support ring and reinforcing ring inside the protective plate can improve the overall support and protection effect, protect the support components inside the hub body, reduce the overall friction on the hub body, and the protective plate can be regularly disassembled and replaced to ensure an efficient wear-resistant protection effect. This structure realizes the function of facilitating the enhancement of wear resistance and protection;

[0016] (2) By providing a reinforcing disc, reinforcing spokes, first reinforcing ribs, second reinforcing ribs and reinforcing grooves, a reinforcing disc is installed on the basis of the support of the hub body. The reinforcing disc and the reinforcing spokes can enhance the overall support strength of the hub body and reduce the occurrence of the hub body being deformed by pressure. The first reinforcing ribs inside the reinforcing spokes can enhance the strength of the lateral support, and the second reinforcing ribs can enhance the strength of the annular support. This structure enhances the stability of the hub support;

[0017] (3) By providing a hub body, heat dissipation holes, heat conducting fins and heat conducting holes, when the tire is mounted on the hub body for use, the heat generated by the friction of the tire can be quickly conducted to the hub body through the heat conducting fins. The reserved heat conducting holes on the heat conducting fins can improve the heat conduction effect. As a metal, the hub body has a better heat dissipation effect relative to the tire. The reserved heat dissipation holes on the hub body can ensure that the hub dissipates heat quickly through the flowing air during rapid rotation. This structure realizes the functions of facilitating heat conduction and heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front view structural schematic diagram of the present utility model;

[0019] Figure 2 is a front view structural schematic diagram of the reinforcement plate of the present utility model;

[0020] Figure 3 is a top view structural schematic diagram of the hub body of the present utility model;

[0021] Figure 4 is a front view structural schematic diagram of the protective plate of the present utility model.

[0022] In the figure: 1, hub body; 2, auxiliary hub ring; 3, protective plate; 4, reserved groove; 5, reinforcement bolt; 6, wear-resistant coating; 7, heat dissipation hole; 8, protective support plate; 9, reinforcement plate; 10, reinforcement spoke; 11, first reinforcing rib; 12, second reinforcing rib; 13, reinforcement groove; 14, rim groove; 15, heat conducting fin; 16, heat conducting hole; 17, protective support ring; 18, heat dissipation port; 19, reinforcing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4, An embodiment provided by the present utility model: An electric vehicle hub unit includes a hub main body 1. Auxiliary hub rings 2 are fixedly connected to the front end and the rear end of the hub main body 1. A reserved groove 4 is provided inside the hub main body 1. A reinforcement plate 9 is installed at the front end of the reserved groove 4. Reinforcement spokes 10 are fixedly welded to the outside of the reinforcement plate 9, and the reinforcement spokes 10 are welded and installed on the hub main body 1. A protective plate 3 is installed at the front end of the reinforcement plate 9. Reinforcement bolts 5 are installed at the four corners of the protective plate 3. A wear-resistant coating 6 is provided at the front end of the protective plate 3. A reinforcing ring 19 is provided inside the protective plate 3. A protective support ring 17 is provided at the center of the reinforcing ring 19. Protective support plates 8 are fixedly connected to the outside of the protective support ring 17. Heat dissipation openings 18 are provided on the protective support plates 8. Heat dissipation holes 7 are provided at both the front end and the rear end of the hub main body 1. Two groups of rim grooves 14 are provided at the rim of the hub main body 1. Heat conduction sheets 15 are installed between the rim grooves 14. The wear-resistant coating 6 is made of a hard chromium coating material, and the wear-resistant coating 6 can be electroplated on the surface of the hub main body 1;

[0025] There are four groups of reinforcement bolts 5. The reinforcement bolts 5 penetrate through the protective plate 3 and are installed at the front end of the hub main body 1. There are six groups of protective support plates 8, and the protective support plates 8 are fixedly welded to the reinforcing ring 19;

[0026] Specifically, as Figure 1 and Figure 4 shown, the protective plate 3 can prevent foreign objects from directly rubbing against the support components inside the hub. The wear-resistant coating 6 on the protective plate 3 can improve its overall wear resistance. The protective support plates 8, the protective support ring 17 and the reinforcing ring 19 inside the protective plate 3 can improve the overall support and protection effect, protect the support components inside the hub main body 1, reduce the overall friction on the hub main body 1, and moreover, the protective plate 3 can be disassembled and replaced regularly.

[0027] Reinforcement grooves 13 are provided inside the reinforcement spokes 10, and first reinforcing ribs 11 are fixedly connected inside the reinforcement grooves 13. There are six groups of reinforcement spokes 10, and second reinforcing ribs 12 are fixedly welded between the reinforcement spokes 10;

[0028] Specifically, as Figure 1 and Figure 2 shown, the reinforcement plate 9 and the reinforcement spokes 10 can enhance the overall support strength of the hub main body 1, reduce the occurrence of deformation of the hub main body 1 under pressure. The first reinforcing ribs 11 inside the reinforcement spokes 10 can enhance the strength of the lateral support, and the second reinforcing ribs 12 can enhance the strength of the annular support.

[0029] The heat dissipation holes 7 are arc-shaped, and the heat dissipation holes 7 are annularly distributed on the hub main body 1. The heat conduction sheets 15 are fixedly connected to the hub main body 1 by welding, and heat conduction holes 16 are evenly provided inside the heat conduction sheets 15;

[0030] Specifically, as Figure 1 andFigure 3 As shown, the heat generated by tire friction can be quickly conducted to the hub body 1 through the heat-conducting fins 15. The reserved heat-conducting holes 16 on the heat-conducting fins 15 can improve the heat-conducting effect. The hub body 1, being made of metal, has a good heat-dissipating effect on the tire. The reserved heat-dissipating holes 7 on the hub body 1 can ensure that the hub quickly dissipates heat through the flowing wind during rapid rotation.

[0031] Working principle: When the present utility model is in use, during the process of the hub body 1 rotating at high speed, the protective plate 3 can protect it. The protective plate 3 can prevent foreign objects from directly rubbing against the support components inside the hub. The wear-resistant coating 6 on the protective plate 3 can improve its overall wear-resistant effect. The protective support plates 8, protective support rings 17 and reinforcing rings 19 inside the protective plate 3 can improve the overall support and protection effect, protect the support components inside the hub body 1, reduce the overall friction on the hub body 1, and moreover, the protective plate 3 can be disassembled and replaced regularly. The heat generated by tire friction can be quickly conducted to the hub body 1 through the heat-conducting fins 15. The reserved heat-conducting holes 16 on the heat-conducting fins 15 can improve the heat-conducting effect. The hub body 1, being made of metal, has a good heat-dissipating effect on the tire. The reserved heat-dissipating holes 7 on the hub body 1 can ensure that the hub quickly dissipates heat through the flowing wind during rapid rotation. The reinforcement disc 9 and the reinforcement spokes 10 can enhance the overall support strength of the hub body 1, reduce the occurrence of the hub body 1 being deformed by pressure. The first reinforcing ribs 11 inside the reinforcement spokes 10 can enhance the strength of the lateral support, and the second reinforcing ribs 12 can enhance the strength of the annular support. This structure enhances the stability of the hub support.

Claims

1. An electric vehicle wheel hub unit, comprising a wheel hub main body (1), characterized in that: An auxiliary wheel rim (2) is fixedly connected to the front end and the rear end of the wheel hub body (1). A reserved groove (4) is arranged inside the wheel hub body (1). A reinforcement disc (9) is installed at the front end of the reserved groove (4). Reinforcement spokes (10) are fixedly welded to the outside of the reinforcement disc (9), and the reinforcement spokes (10) are welded and installed on the wheel hub body (1). A protection plate (3) is installed at the front end of the reinforcement disc (9). Reinforcement bolts (5) are installed at the four corners of the protection plate (3). A wear-resistant coating (6) is arranged at the front end of the protection plate (3). A reinforcing ring (19) is arranged inside the protection plate (3). A protection support ring (17) is arranged at the center of the reinforcing ring (19). Protection support plates (8) are fixedly connected to the outside of the protection support ring (17). Heat dissipation openings (18) are formed in the protection support plates (8). Heat dissipation holes (7) are arranged at the front end and the rear end of the wheel hub body (1). Two groups of rim grooves (14) are arranged at the rim of the wheel hub body (1). A heat conduction sheet (15) is installed between the rim grooves (14).

2. The electric vehicle hub unit according to claim 1, wherein: There are four groups of the reinforcement bolts (5). The reinforcement bolts (5) penetrate through the protection plate (3) and are installed at the front end of the wheel hub body (1).

3. The electric vehicle hub unit according to claim 1, wherein: There are six groups of the protection support plates (8). The protection support plates (8) are fixedly welded to the reinforcing ring (19).

4. The electric vehicle hub unit according to claim 1, wherein: Reinforcement grooves (13) are arranged inside the reinforcement spokes (10), and first reinforcing ribs (11) are fixedly connected to the inside of the reinforcement grooves (13).

5. A kind of electric vehicle hub unit according to claim 1, characterized in that: There are six groups of the reinforcement spokes (10). Second reinforcing ribs (12) are fixedly welded between the reinforcement spokes (10).

6. The electric vehicle hub unit according to claim 1, wherein: The heat dissipation holes (7) are arc-shaped and are annularly distributed on the wheel hub body (1).

7. A hub unit for an electric vehicle according to claim 1, characterized in that: The heat conduction sheet (15) is fixedly connected to the wheel hub body (1) by welding. Heat conduction holes (16) are evenly formed inside the heat conduction sheet (15).

8. The electric vehicle hub unit according to claim 1, characterized in that: The wear-resistant coating (6) is made of a hard chromium coating material, and the wear-resistant coating (6) can be electroplated on the surface of the wheel hub body (1).

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