CN220298207U

CN220298207U - Split rear hub structure of motorcycle

Info

Publication number: CN220298207U
Application number: CN202321107252.5U
Authority: CN
Inventors: 李力; 胡明华; 曾昭勇
Original assignee: Chongqing Liuquan Motorcycle Manufacturing Co ltd
Current assignee: Chongqing Liuquan Motorcycle Manufacturing Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-01-05
Anticipated expiration: 2033-08-30

Abstract

The utility model relates to the field of motorcycle hubs and discloses a split type rear hub structure of a motorcycle, which comprises a rim, a brake disc and a hub, wherein the brake disc is fixed on one side of the rim, the hub is fixed on the other side of the rim, a bearing hole is formed in the middle of the rim, the rim is fixedly connected with the hub through a fixing bolt, a clamping device for reinforcing the hub and the rim is arranged on the fixing bolt, a clamping groove is formed in the rim, and the clamping groove is clamped with the clamping device.

Description

Split rear hub structure of motorcycle

Technical Field

The utility model relates to the technical field of motorcycle hubs, in particular to a split rear hub structure of a motorcycle.

Background

The rear hub of the motorcycle is a cylindrical metal part arranged in the inner outline of the tire and used for supporting the tire. The center of the axle is connected with the axle. Hubs can be classified into various types according to diameter, width, molding mode and materials.

The bulletin number is: the Chinese patent of CN206493784U discloses a motorcycle rear hub integrated structure, which comprises: the rim is provided with an arc-shaped middle concave cavity, arc-shaped filtering sections symmetrically arranged at two sides of the middle concave cavity, an inclined line section, a fillet filtering section and a side arc-shaped supporting section; a spoke formed between the rim and the wheel disc, the rotation shaft hole portion; which is formed in the middle of the inner cavity of the wheel disc.

This patent has the following drawbacks: the device rim and wheel hub design are as an organic whole, wholly occupy great space, and when the part takes place to damage, need dismantle the maintenance to whole, and the part damages and need change whole, causes certain wasting of resources.

Therefore, the split rear hub structure of the motorcycle improves the problems.

Disclosure of Invention

The utility model aims to provide a split rear hub structure of a motorcycle, which aims to solve the problems that the whole occupies a large space, when a part is damaged, the whole needs to be disassembled and maintained, the part is damaged, the whole needs to be replaced, and certain resource waste is caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a split type rear wheel hub structure of motorcycle, includes rim, brake disc and wheel hub, one side of rim is fixed with the brake disc, and the opposite side is fixed with wheel hub, the bearing hole has been seted up at the middle part of rim, all seted up the mounting hole on rim and the wheel hub, the internally mounted of mounting hole has fixing bolt, the rim passes through fixing bolt and wheel hub fixed connection, install the joint device that consolidates wheel hub and rim on the fixing bolt, the joint groove has been seted up to the inside of rim, joint groove and joint device joint.

Four mounting holes are formed, and the equal angles are distributed on the outer side of the bearing hole.

One end of the fixing bolt is a connecting section, and the other end of the fixing bolt is a threaded section.

The clamping device comprises a fixing ring, an elastic sheet and an extrusion ring, wherein the fixing ring is fixed on the connecting section, the elastic sheet is fixed on the fixing ring and fixed on the extrusion ring, and the extrusion ring is sleeved on the outer side of the threaded section in a sliding manner.

Wherein the middle part of the elastic sheet is convex.

The elastic sheets are four, and the elastic sheets are distributed on the outer sides of the thread sections at equal angles.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the threaded section is inserted from the mounting hole on the hub and then is inserted into the clamping groove on the rim, then the connecting section is rotated, so that the threaded section is meshed and connected in the rim, the extrusion ring moves to one side close to the fixing ring in the process of meshing the threaded section and the rim, the elastic sheet is extruded, so that the middle part of the elastic sheet is bent, and is clamped and fixed in the clamping groove, the stability of connecting the rim and the hub is improved, the hub and the rim are arranged in a split type, the space is saved, and after the hub or the rim is damaged, the fixing bolt is separated from the rim, so that the clamping device is extracted from the clamping groove, then the fixing bolt is taken out from the mounting hole, the damaged part is convenient to maintain and replace, the specified replacement can be performed according to the damage condition of the rim and the hub, and the cost is saved.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a schematic diagram of a perspective view of the present utility model;

FIG. 3 is a schematic diagram of an exploded view of the present utility model;

FIG. 4 is a schematic view of a fixing bolt according to the present utility model

FIG. 5 is a schematic diagram of the front view of the present utility model;

FIG. 6 is a schematic structural view of a cross-sectional view of the present utility model;

fig. 7 is an enlarged schematic view of the portion of fig. 6A.

In the figure: 1. a rim; 2. a brake disc; 3. a hub; 4. a bearing hole; 5. a mounting hole; 6. a clamping groove; 7. a fixing bolt; 71. a connection section; 72. a fixing ring; 73. an elastic sheet; 74. a pressing ring; 75. a threaded section.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a split type rear wheel hub structure of motorcycle, including rim 1, brake disc 2 and wheel hub 3, one side of rim 1 is fixed with brake disc 2, the opposite side is fixed with wheel hub 3, bearing hole 4 has been seted up at the middle part of rim 1, mounting hole 5 has all been seted up on rim 1 and the wheel hub 3, mounting hole 5's internally mounted has fixing bolt 7, rim 1 passes through fixing bolt 7 and wheel hub 3 fixed connection, install the joint device that consolidates wheel hub 3 and rim 1 on the fixing bolt 7, joint groove 6 has been seted up to the inside of rim 1, joint groove 6 and joint device joint. The bearing hole 4 on the rim 1 is fixed on the rotating shaft of the motorcycle, the hub 3 is sleeved on the rotating shaft, the mounting holes 5 on the rim 1 and the hub 3 are aligned, the fixing bolts 7 are inserted into the mounting holes 5, then the fixing bolts 7 are rotated to be meshed with the rim 1, then the clamping device is clamped and fixed in the clamping groove 6, the rim 1 is fixedly connected with the hub 3, after the hub 3 is damaged, the fixing bolts 7 are separated from the rim 1, the clamping device is pulled out from the clamping groove 6, then the fixing bolts 7 are taken out from the inside of the mounting holes 5, the damaged parts are convenient to repair and replace, the damaged parts can be designated and replaced according to the damage condition of the rim 1 and the hub 3, and the cost is saved.

Wherein, the mounting holes 5 are arranged in four, and the equal angles are distributed on the outer side of the bearing hole 4. The hub 3 and the rim 1 can be fixed at equal angles, and the connection stability of the hub 3 and the rim 1 is improved.

One end of the fixing bolt 7 is a connecting section 71, and the other end is a threaded section 75. The threaded section 75 is inserted from the mounting hole 5 in the hub 3 and then into the snap-fit recess 6 in the rim 1, and then the connecting section 71 is rotated to engage the threaded section 75 in the rim 1.

The clamping device comprises a fixing ring 72, an elastic sheet 73 and an extrusion ring 74, wherein the fixing ring 72 is fixed on the connecting section 71, the elastic sheet 73 is fixed on the fixing ring 72, the elastic sheet 73 is fixed on the extrusion ring 74, and the extrusion ring 74 is sleeved on the outer side of the threaded section 75 in a sliding manner. In the process of meshing the threaded section 75 with the rim 1, the extrusion ring 74 moves to the side close to the fixed ring 72, and extrudes the elastic sheet 73, so that the middle part of the elastic sheet 73 is bent, and is clamped and fixed in the clamping groove 6, and the connection stability of the rim 1 and the hub 3 is improved.

Wherein the middle of the elastic piece 73 is convex. When the pressing ring 74 moves to the side close to the fixing ring 72, the middle of the elastic piece 73 is folded in half, so that the elastic piece 73 is clamped and fixed in the clamping groove 6, and the stability of connection of the threaded section 75 and the rim 1 is improved.

Wherein the elastic pieces 73 are provided in four, equiangularly distributed on the outside of the thread segments 75. The contact area between the elastic piece 73 and the clamping groove 6 can be increased, and the stability of the connection between the rim 1 and the hub 3 can be further improved.

Working principle: when the wheel hub 3 is used, the bearing hole 4 on the wheel rim 1 is fixed on the rotating shaft of the motorcycle, the wheel hub 3 is sleeved on the rotating shaft, the mounting holes 5 on the wheel rim 1 and the wheel hub 3 are aligned, the threaded section 75 is inserted from the mounting holes 5 on the wheel hub 3 and then inserted into the clamping groove 6 on the wheel rim 1, then the connecting section 71 is rotated, the threaded section 75 is meshed and connected in the wheel rim 1, the threaded section 75 is meshed with the wheel rim 1, the extrusion ring 74 moves to the side close to the fixed ring 72, the elastic sheet 73 is extruded, the middle part of the elastic sheet 73 is bent, the clamping is fixed in the clamping groove 6, the connection stability of the wheel rim 1 and the wheel hub 3 is improved, after the wheel hub 3 is damaged, the fixing bolt 7 is separated from the wheel rim 1, the clamping device is pulled out from the clamping groove 6, then the fixing bolt 7 is taken out from the inside of the mounting hole 5, the damaged part can be conveniently maintained and replaced, and the damaged part can be conveniently specified according to the condition of the wheel rim 1 and the wheel hub 3, and the cost is saved.

Claims

1. The utility model provides a hub structure behind split type of motorcycle, includes rim (1), brake disc (2) and wheel hub (3), one side of rim (1) is fixed with brake disc (2), and the opposite side is fixed with wheel hub (3), bearing hole (4) have been seted up at the middle part of rim (1), its characterized in that: the mounting structure is characterized in that mounting holes (5) are formed in the rim (1) and the wheel hub (3), fixing bolts (7) are arranged in the mounting holes (5), the rim (1) is fixedly connected with the wheel hub (3) through the fixing bolts (7), clamping devices for reinforcing the wheel hub (3) and the rim (1) are arranged on the fixing bolts (7), clamping grooves (6) are formed in the rim (1), and the clamping grooves (6) are clamped with the clamping devices.

2. A split rear hub structure for a motorcycle as claimed in claim 1, wherein: four mounting holes (5) are formed, and the four mounting holes are distributed on the outer side of the bearing hole (4) at equal angles.

3. A split rear hub structure for a motorcycle as claimed in claim 1, wherein: one end of the fixing bolt (7) is a connecting section (71), and the other end is a threaded section (75).

4. A split rear hub structure for a motorcycle as claimed in claim 1, wherein: the clamping device comprises a fixing ring (72), an elastic sheet (73) and an extrusion ring (74), wherein the fixing ring (72) is fixed on the connecting section (71), the elastic sheet (73) is fixed on the fixing ring (72), the elastic sheet (73) is fixed on the extrusion ring (74), and the extrusion ring (74) is sleeved on the outer side of the threaded section (75) in a sliding mode.

5. A split rear hub structure for a motorcycle as claimed in claim 4, wherein: the middle part of the elastic sheet (73) is convex.

6. A split rear hub structure for a motorcycle as claimed in claim 5, wherein: four elastic sheets (73) are arranged, and the elastic sheets are distributed on the outer sides of the thread sections (75) at equal angles.