Reverse disc brake hub

Abstract

The utility model relates to a reverse disc brake hub which comprises a rim, a connecting piece and a spoke, and the spoke is fixedly arranged with the rim through the connecting piece. The spoke comprises an axle mounting seat, spokes and butterfly brake mounting seats at the outer side ends of the spokes, connecting pieces are arranged at the transition positions of the spokes and the butterfly brake mounting seats, and positioning parts of the connecting pieces face the bottom directions of the butterfly brake mounting seats; the rim and the connecting piece are made of iron, and the spoke is made of aluminum. According to the utility model, the defects of more parts, complexity in installation, heavy weight and high energy consumption in the prior art are overcome.

Description

Technical Field

[0001] This utility model relates to the technical field of vehicle wheel hub accessories, specifically a reverse disc brake wheel hub. Background Technology

[0002] In electric vehicles and motorcycles, reverse disc brakes offer superior braking performance compared to traditional drum brakes and disc brakes, leading to their increasing adoption. A reverse disc brake consists of a reverse disc brake disc mounted on one side of the wheel hub and a brake caliper. The diameter of the reverse disc brake disc is typically close to the diameter of the wheel hub. The brake caliper includes a caliper for clamping the reverse disc brake disc to achieve braking, as well as a hydraulic drive mechanism.

[0003] Chinese utility model patent CN220809018U discloses a reverse disc brake hub body, a reverse disc brake hub, and a two-wheeled vehicle. The reverse disc brake hub body includes a rim, spokes, and multiple mounting posts for mounting the reverse disc brake disc, all made of iron. The mounting posts are welded to different positions on the rim or to multiple spokes. For welding to the rim, the mounting posts include: a mating part that mates with the groove bottom, bead seat, and rim flange of the rim; and an mounting part integrally formed with the mating part, having a threaded hole that matches the fixing hole of the reverse disc brake disc.

[0004] These wheel hubs are made entirely of iron, making them heavy and energy-intensive. They also have many parts, especially the mounting posts, which need to be welded one by one, resulting in a time-consuming and labor-intensive process. Utility Model Content

[0005] The purpose of this invention is to provide a reverse disc brake hub that solves the problems of existing technologies, such as numerous parts, complicated installation, heavy weight, and high energy consumption.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows:

[0007] A disc brake hub includes a rim, a connector, and spokes, with the spokes fixed to the rim via the connector. The connector includes a rim joint and a spoke joint that are interconnected, with a positioning part at the top of the rim joint and / or the spoke joint. The spokes include an axle mounting seat, three or more spokes, and disc brake mounting seats located at the outer ends of each spoke. A connector is located at the transition between the spokes and the disc brake mounting seats. The positioning part extends from the top of the rim joint and / or the spoke joint in the opposite direction to the extension direction of the disc brake mounting seats from the outer ends of the spokes. The rim and connector are made of iron, and the spokes are made of aluminum.

[0008] The spokes are reinforced with ribs.

[0009] The cross-sections of the wheel rim joint and the spoke joint of the connector are U-shaped or V-shaped.

[0010] The top of the butterfly brake mounting bracket is equipped with a butterfly brake disc limiting part.

[0011] The disc limiter is a protrusion located on the outer edge of the top of the disc brake mounting base.

[0012] Each spoke is fitted with a connector at the transition point between it and the disc brake mounting base.

[0013] The wheel rim and the connecting piece are welded together at the wheel rim joint, and the spoke joint of the connecting piece is covered by the spokes.

[0014] The connector is die-cast into the spokes.

[0015] The advantages of this utility model are as follows: 1. The spokes are reinforced with ribs, which greatly improves the strength of the spokes, thereby improving the safety of the wheel hub and providing space for the connecting parts to avoid the disc brake mounting seat; 2. The connecting parts are provided at the transition between the spokes and the disc brake mounting seat, and the positioning part of the connecting parts points to the bottom of the disc brake mounting seat, which not only ensures that the connecting parts do not shift during die casting, but also facilitates the welding of the spokes and the wheel rim; 3. The disc brake disc limiting protrusion on the outer edge of the top of the disc brake mounting seat ensures that the disc brake will not shift after long-term use. Attached Figure Description

[0016] Figure 1 This is a cross-sectional view of the anti-disc brake hub structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the anti-disc brake hub structure of this utility model. Figure 1 .

[0018] Figure 3 This is a schematic diagram of the anti-disc brake hub structure of this utility model. Figure 2 .

[0019] Figure 4 This is an exploded view of the anti-disc brake hub structure of this utility model.

[0020] Figure 5 This is a schematic diagram of the connector structure in this utility model. Figure 1 .

[0021] Figure 6 This is a schematic diagram of the connector structure in this utility model. Figure 2 .

[0022] In the diagram: 1-Rim; 2-Spoke; 21-Axle mounting base; 22-Spoke; 23-Butterfly brake mounting base; 24-Reinforcing rib; 25-Limiting part; 3-Connecting part; 31-Rim joint; 32-Spoke joint; 33-Positioning part. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings. The drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent.

[0024] To simplify the description of this embodiment, some components that are well-known to those skilled in the art but are not related to the main content of this invention may be omitted in the accompanying drawings or description. Additionally, for ease of description, some components in the drawings may be omitted, enlarged, or reduced, but these do not represent the actual product dimensions or the complete structure.

[0025] This utility model provides a reverse disc brake hub, such as Figure 1-4 As shown, it includes a wheel rim 1, a connecting piece 3, and wheel spokes 2, with the wheel spokes 2 fixedly connected to the wheel rim 1 via the connecting piece 3.

[0026] like Figure 5 , Figure 6 As shown, the connector includes a rim joint 31 and a spoke joint 32 that are connected to each other. The rim joint 31 and / or the spoke joint 32 are provided with a positioning part 33 to prevent the connector 3 from shifting during die casting.

[0027] Furthermore, the cross-sections of the interconnected rim joint 31 and spoke joint 32 are U-shaped or V-shaped, and the positioning part 33 is provided at the top of the rim joint 31 and / or spoke joint 32.

[0028] The wheel rim 1 and the wheel rim joint 31 of the connector 3 are welded and fixed, and the spoke joint 32 of the connector 3 is covered by the spokes 22.

[0029] like Figure 1-4 As shown, the spoke 2 includes a wheel axle mounting base 21, three or more spokes 22, and a disc brake mounting base 23 provided at the outer end of each spoke 22. A connector 3 is provided at the transition between the spoke 22 and the disc brake mounting base 23. The positioning part 33 extends from the top of the wheel rim joint 31 and / or the top of the spoke joint 32 in the opposite direction to the extension direction of the disc brake mounting base 23 from the outer end of the spoke 22. That is, the positioning part 33 of the connector 3 faces the bottom of the disc brake mounting base 23.

[0030] During the die-casting process of the wheel spoke 2, the disc brake mounting seat 23 is formed within the stationary mold cavity, and the positioning part 33 of the connecting part 3 faces the moving mold cavity. During die-casting, the positioning part 33 will abut against the wall of the moving mold cavity, preventing the connecting part 3 from shifting. After die-casting is completed, as... Figure 3 As shown, the traces of the positioning part 33 can be seen on the back of the spoke 22.

[0031] If the positioning part 33 of the connector 3 points to the top of the butterfly brake mounting seat 23, that is, to the direction of the stationary mold cavity, the connector 3 is prone to displacement during die casting, and a recessed hole will appear on the back of the spoke 22, affecting the firmness of the spoke 2.

[0032] Preferably, the spokes 22 are provided with reinforcing ribs 24, which strengthens the spokes 2.

[0033] The rim 1 and connecting part 2 are made of iron, while the spokes 2 are made of aluminum, which ensures the strength of the wheel hub body and reduces the weight of the wheel hub body.

[0034] The top of the butterfly brake mounting base 23 is provided with a butterfly brake disc limiting part 25. Preferably, the butterfly brake disc limiting part 25 is a protrusion provided on the outer edge of the top of the butterfly brake mounting base 23.

[0035] In this way, the disc brake is fixed by the limiting part 25 and the fixing bolt, which can prevent the disc brake from shifting or deviating during long-term use, thus increasing the stability of the disc brake installation.

[0036] The wheel rim 1 is welded and fixed to the wheel rim joint 31 of the connector 3, and the spoke joint 32 of the connector 3 is covered by the spokes 22.

[0037] The connector 3 is die-cast into the spoke 2.

[0038] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. All equivalent changes and modifications made within the scope of the claims of this utility model should be considered within the technical scope of this utility model.

Claims

1. A reverse disc brake hub, comprising a rim (1), a connector (3), and spokes (2), wherein the spokes (2) are fixedly disposed to the rim (1) via the connector (3); the connector (3) comprises a rim engagement portion (31) and a spoke engagement portion (32) connected to each other, wherein a positioning portion (33) is provided at the top end of the rim engagement portion (31) and / or the spoke engagement portion (32); characterized in that: The spokes (2) include a wheel axle mounting base (21), three or more spokes (22), and a disc brake mounting base (23) provided at the outer end of each spoke (22). A connector (3) is provided at the transition between the spokes (22) and the disc brake mounting base (23). The positioning part (33) extends from the top of the wheel rim joint (31) and / or the spoke joint (32) in the opposite direction to the extension direction of the disc brake mounting base (23) from the outer end of the spokes (22). The wheel rim (1) and the connector (3) are made of iron, and the spokes (2) are made of aluminum.

2. The anti-disc brake hub according to claim 1, characterized in that: The spokes (22) are provided with reinforcing ribs (24).

3. The anti-disc brake hub according to claim 1, characterized in that: The cross-sections of the wheel rim joint (31) and the spoke joint (32) of the connector (3) are U-shaped or V-shaped.

4. The anti-disc brake hub according to claim 1, characterized in that: The top of the butterfly brake mounting bracket (23) is provided with a butterfly brake disc limiting part (25).

5. The anti-disc brake hub according to claim 4, characterized in that: The disc limiting part (25) is a protrusion located on the top outer edge of the disc brake mounting base (23).

6. The anti-disc brake hub according to claim 1, characterized in that: Each spoke (22) is provided with a connector (3) at the transition point between it and the disc brake mounting base (23).

7. The anti-disc brake hub according to claim 1, characterized in that: The wheel rim (1) and the wheel rim joint (31) of the connector (3) are welded and fixed, and the spoke joint (32) of the connector (3) is covered by spokes (22).

8. The anti-disc brake hub according to claim 1, characterized in that: The connector (3) is die-cast into the spoke (2).

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