Novel large sprocket buffering mechanism of motorcycle

Abstract

The utility model relates to the technical field of motorcycle rim system buffer, especially to a novel big sprocket buffer mechanism of motorcycle, including buffer body, the side of buffer body is connected with sprocket body through bolt, the side away from sprocket body of buffer body is provided with rim, and the side close to rim of buffer body is provided with buffer rubber, the side close to buffer rubber of rim is provided with connecting sleeve, the inner wall of buffer rubber is provided with bush, the outer surface of bush is combined with the inner wall of buffer rubber, the inner side of bush is provided with sprocket stud bolt, sprocket stud bolt penetrates buffer body, and the end away from buffer rubber of sprocket stud bolt is connected with sprocket nut. Before big sprocket buffer mechanism is installed in rear wheel system, sprocket body, buffer body, buffer rubber and hub are assembled into an integrated whole, simplify structure and reduce cost, improve installation accuracy, optimize space utilization ratio simultaneously, improve assembly efficiency.

Description

Technical Field

[0001] This utility model relates to the field of motorcycle wheel rim system buffer technology, and in particular to a novel large sprocket buffer mechanism for motorcycles. Background Technology

[0002] The sprocket damping mechanism is a key component of the motorcycle transmission system. Its core function is to mitigate the impact during power transmission, protect the transmission and wheel hub components, and improve riding stability. However, existing sprocket damping structures suffer from high maintenance costs due to thread wear and component deformation risks caused by frequent disassembly and assembly. Furthermore, the damping rubber is prone to wear and has a short lifespan, resulting in significant transmission shock and noise, and affecting overall stability.

[0003] More importantly, the traditional motorcycle sprocket buffer mechanism is a modular design, with each individual component being large in size and heavy overall. During assembly, the five buffer rubbers must be assembled separately, resulting in low assembly efficiency. Utility Model Content

[0004] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a novel large sprocket buffer mechanism for motorcycles.

[0005] The present invention adopts the following technical solution.

[0006] A novel large sprocket buffer mechanism for motorcycles includes a buffer body. A sprocket body is bolted to one side of the buffer body. A rim is provided on the side of the buffer body away from the sprocket body, and a buffer rubber is provided on the side of the buffer body near the rim. A connecting sleeve is provided on the side of the rim near the buffer rubber. A bushing is provided on the inner wall of the buffer rubber, and the outer surface of the bushing is in contact with the inner wall of the buffer rubber. A sprocket double-ended bolt is provided on the inner side of the bushing, and the sprocket double-ended bolt passes through the buffer body. A sprocket nut is connected to the end of the sprocket double-ended bolt away from the buffer rubber.

[0007] Preferably, the sprocket double-ended bolts and bushings have a transition fit.

[0008] To improve the rigidity of the buffer structure, the buffer body, sprocket body, bushing, sprocket stud bolt, and sprocket nut are all made of aluminum alloy.

[0009] To improve assembly efficiency, the buffer body has a circular protrusion on the side near the sprocket body. The thickness of the circular protrusion is the same as the thickness of the sprocket body, and the inner wall of the circular protrusion is connected to the rear wheel bearing.

[0010] To reduce the overall weight of the vehicle and improve power performance, the surface of the sprocket body is provided with multiple triangular holes, each of which has a rounded corner, and the holes are evenly distributed with the center of the sprocket body as the center.

[0011] Preferably, the buffer gel has a cylindrical structure.

[0012] To simplify the assembly process and reduce maintenance costs, the connecting sleeve and the wheel rim are an inseparable integrated structure.

[0013] Preferably, the connecting sleeve has multiple sleeve holes on the side near the buffer adhesive. The sleeve holes are cylindrical and engage with the buffer adhesive.

[0014] Beneficial Effects: This novel large sprocket buffer mechanism for motorcycles not only reduces overall vehicle weight and improves power performance, but also enhances the overall structural rigidity of the buffer structure. It effectively protects the rear wheel hub and bearings of large-displacement motorcycles from damage caused by strong impacts. This ensures the stability of the motorcycle during operation and reduces user operating costs. More importantly, the integrated structure of this application is more robust than the connection of independent components, reducing the need for easily damaged small parts such as connecting bolts and locating pins. This reduces positional displacement caused by vibration during operation, lowers the probability of loosening, loss, or corrosion, simplifies the structure, reduces costs, improves installation accuracy, optimizes space utilization, and increases assembly efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of the novel large sprocket buffer mechanism for motorcycles according to this utility model.

[0017] Figure 2 This is a side view of the novel large sprocket buffer mechanism for motorcycles according to this utility model.

[0018] Figure 3 This is the utility model Figure 2 A cross-sectional view of the AA line structure.

[0019] Figure 4 This is a three-dimensional structural diagram of the novel large sprocket buffer mechanism for motorcycles and its connection to the rim, according to this utility model.

[0020] Figure 5 This is a three-dimensional structural diagram of the buffer body of the novel large sprocket buffer mechanism for motorcycles according to this utility model.

[0021] Figure 6 This is a three-dimensional structural diagram of the rim of the novel large sprocket buffer mechanism for motorcycles according to this utility model.

[0022] 1-Buffer body, 2-Sprocket body, 3-Rim, 4-Buffer rubber, 5-Connecting sleeve, 6-Bushing, 7-Sprocket double-ended bolt, 8-Sprocket nut, 9-Ring protrusion, 10-Sleeve hole, 11-Rear wheel bearing, 12-Hole. Detailed Implementation

[0023] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Combination Figures 1-6 As shown, a novel large sprocket buffer mechanism for a motorcycle includes a buffer body 1. A sprocket body 2 is bolted to one side of the buffer body 1. A rim 3 is provided on the side of the buffer body 1 away from the sprocket body 2, and a buffer rubber 4 is provided on the side of the buffer body 1 close to the rim 3. A connecting sleeve 5 is provided on the side of the rim 3 close to the buffer rubber 4. A bushing 6 is provided on the inner wall of the buffer rubber 4. The outer surface of the bushing 6 is in contact with the inner wall of the buffer rubber 4. A sprocket double-ended bolt 7 is provided on the inner side of the bushing 6. The sprocket double-ended bolt 7 penetrates the buffer body 1, and a sprocket nut 8 is connected to the end of the sprocket double-ended bolt 7 away from the buffer rubber 4.

[0025] Among them, the sprocket double-ended bolt 7 and the bushing 6 are transitionally fitted.

[0026] Among them, the buffer body 1, the sprocket body 2, the bushing 6, the sprocket double-ended bolt 7, and the sprocket nut 8 are all made of aluminum alloy.

[0027] Among them, the buffer body 1 has a circular protrusion 9 on the side near the sprocket body 2. The thickness of the circular protrusion 9 is the same as the thickness of the sprocket body 2, and the inner wall of the circular protrusion 9 is connected to the rear wheel bearing 11.

[0028] The surface of the sprocket body 2 is provided with a plurality of triangular holes 12, each of the apex corners of the holes 12 being rounded, and the holes 12 being evenly distributed with the center of the sprocket body 2 as the center.

[0029] Among them, the buffer adhesive 4 has a cylindrical structure.

[0030] Among them, the connecting sleeve 5 and the wheel rim 3 are an inseparable integrated structure.

[0031] The connecting sleeve 5 has multiple sleeve holes 10 on the side near the buffer adhesive 4. The sleeve holes 10 are cylindrical and are engaged with the buffer adhesive 4.

[0032] When installing the new large sprocket buffer mechanism of the motorcycle of this application, firstly, the sprocket body 2 is put on the annular protrusion 9, and the buffer body 1 is fixed to the sprocket body 2 by the sprocket double-headed bolt 7 and the sprocket nut 8. Then, the bushing 6 and the buffer rubber 4 are put on the side of the sprocket double-headed bolt 7 away from the annular protrusion 9 in sequence. Finally, the buffer rubber 4 is inserted into the sleeve hole 10 and snapped in place, thus completing the installation of the buffer mechanism and the rim 3.

[0033] Traditional cushioning mechanisms suffer from severe wear due to high surface pressure. Furthermore, the irregular shape of traditional cushioning rubber exacerbates wear under heavy surface pressure, and its insufficient material hardness further aggravates the wear problem. The cushioning rubber 4 of this invention is a cylindrical rubber-based composite material with high wear resistance, aging resistance, and good elasticity. This significantly improves cushioning performance, ensures motorcycle stability during riding, reduces user operating costs, and enhances overall user satisfaction and experience.

[0034] This utility model discloses a novel large sprocket buffer mechanism for motorcycles that not only reduces overall vehicle weight and improves power performance, but also enhances the overall structural rigidity of the buffer structure. It effectively protects the rear wheel hub and bearings of large-displacement motorcycles from damage caused by strong impacts. This ensures the stability of the motorcycle during operation and reduces user operating costs. More importantly, the novel large sprocket buffer mechanism of this application is an integrated structure, which provides a more robust and compact connection compared to independent components, achieving a lightweight design, reducing the risk of interference between components, and facilitating easy installation and disassembly for future replacement of buffer components. Furthermore, the simplified structure results in lower costs, higher installation precision, optimized space utilization, and improved assembly efficiency.

[0035] The novel large sprocket buffer mechanism for motorcycles disclosed in this application utilizes forging CNC technology, resulting in a weight reduction of 0.41 kg compared to similar products, representing a weight reduction of 66%. The buffer rubber 4 is integrated with the buffer body 1, improving assembly efficiency by 50%. The buffer rubber 4, being a standard cylindrical shape, distributes force evenly, reducing damage to itself while buffering, thus increasing its service life by 30%. Simultaneously, the mating point of the sleeve hole 10 is cylindrical, mates with the buffer rubber 4, ensuring uniform force distribution across the rim 3, thereby increasing the service life of the rim 3 by 20%.

[0036] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A novel large sprocket buffer mechanism for motorcycles, characterized in that: The buffer body (1) is bolted to one side of the buffer body (1), and a rim (3) is provided on the side of the buffer body (1) away from the sprocket body (2). A buffer rubber (4) is provided on the side of the buffer body (1) close to the rim (3). A connecting sleeve (5) is provided on the side of the rim (3) close to the buffer rubber (4). A bushing (6) is provided on the inner wall of the buffer rubber (4). The outer surface of the bushing (6) is in contact with the inner wall of the buffer rubber (4). A sprocket double-ended bolt (7) is provided on the inner side of the bushing (6). The sprocket double-ended bolt (7) penetrates the buffer body (1), and a sprocket nut (8) is connected to the end of the sprocket double-ended bolt (7) away from the buffer rubber (4).

2. The novel large sprocket buffer mechanism for motorcycles as described in claim 1, characterized in that: The sprocket double-ended bolt (7) and bushing (6) are transitionally fitted.

3. The novel large sprocket buffer mechanism for motorcycles as described in claim 1, characterized in that: The buffer body (1), sprocket body (2), bushing (6), sprocket double-ended bolt (7) and sprocket nut (8) are all made of aluminum alloy.

4. The novel large sprocket buffer mechanism for motorcycles as described in claim 1, characterized in that: The buffer body (1) has a circular protrusion (9) on the side near the sprocket body (2). The thickness of the circular protrusion (9) is the same as the thickness of the sprocket body (2), and the inner wall of the circular protrusion (9) is connected to the rear wheel bearing (11).

5. The novel large sprocket buffer mechanism for motorcycles as described in claim 1, characterized in that: The surface of the sprocket body (2) is provided with multiple triangular holes (12), each of the apex corners of the holes (12) is rounded, and the holes (12) are evenly distributed with the center of the sprocket body (2) as the center.

6. The novel large sprocket buffer mechanism for motorcycles as described in claim 1, characterized in that: The buffer gel (4) has a cylindrical structure.

7. The novel large sprocket buffer mechanism for motorcycles as described in claim 1, characterized in that: The connecting sleeve (5) and the rim (3) are an inseparable integrated structure.

8. The novel large sprocket buffer mechanism for motorcycles as described in claim 1, characterized in that: The connecting sleeve (5) has multiple sleeve holes (10) on the side near the buffer adhesive (4). The sleeve holes (10) are cylindrical and are engaged with the buffer adhesive (4).

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