Improved motorcycle clutch side cover structure

Abstract

The utility model relates to the technical field of clutches, in particular to an improved motorcycle clutch side cover structure which comprises magnetic couplings, the magnetic couplings are installed on a side cover of a clutch, the magnetic couplings comprise the first magnetic coupling and the second magnetic coupling, and the inner side of the first magnetic coupling is connected with a clutch driving shaft. The outer side of the second magnetic coupling is connected with the rotating disc, power is transmitted through magnetic force, and non-contact transmission is achieved. According to the improved motorcycle clutch side cover structure, abrasion is reduced through non-contact transmission, and due to the fact that direct mechanical contact does not exist, friction and abrasion are eliminated through the magnetic coupling, and therefore the service life is prolonged. Due to the fact that no abrasion part exists, the magnetic coupling usually needs little maintenance, the operation cost and the maintenance frequency are reduced, the magnetic coupling can achieve a completely-sealed transmission system, and internal liquid engine oil is prevented from leaking. The inside and the outside of the clutch are thoroughly separated, so that engine oil emulsification caused by uneven heat conduction due to temperature difference is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of clutches, in particular to an improved motorcycle clutch side cover structure. Background Art

[0002] The clutch is a key component in the motorcycle transmission system. Its main function is to connect or disconnect the engine and the transmission system, thereby controlling the transmission of power.

[0003] In the traditional motorcycle clutch design, there are the following deficiencies:

[0004] Oil emulsification: Since the traditional modification method of the clutch side cover is to open a transparent glass window based on the original side cover data, the thermal conductivity of glass is much lower than that of metal aluminum, causing the temperature difference between the inside and outside to condense water vapor into water droplets, which causes the oil to emulsify under the flow of oil.

[0005] Excessive mass and centrifugal force: The traditional modification is to install the modified rotating plate directly on the clutch cover to increase the weight of the clutch. The clutch is a high-speed rotating precision transmission component. The increased weight increases the centrifugal force under high-speed rotation, causing a burden on the original clutch, greatly increasing the risk of damage and cracking of the clutch, and greatly affecting the safety of the rider.

[0006] High maintenance requirements: The modified rotating plate is installed on the clutch cover, and the clutch is sealed inside the engine, resulting in excessive maintenance costs.

[0007] Low control accuracy: The increased weight of the entire clutch reduces its own accuracy, resulting in a worse operating feel, increasing driving instability and the probability of damage.

[0008] Poor sealing performance: After long-term use, the seal is damaged and the engine oil will seep out of the clutch. The oil is emulsified and difficult to clean, which affects the appearance and increases the risk during riding. Utility Model Content

[0009] The utility model aims to provide an improved motorcycle clutch side cover structure to solve the problems of serious damage to the clutch plate and friction plate, continuous reduction in sealing performance, and serious emulsification of engine oil proposed in the above background technology.

[0010] To achieve the above-mentioned purpose, the utility model provides an improved motorcycle clutch side cover structure, including a magnetic coupling, which is installed at the side cover of the clutch. The magnetic coupling includes a first magnetic coupling and a second magnetic coupling. The inner side of the first magnetic coupling is connected to the clutch drive shaft, and the outer side of the second magnetic coupling is connected to a rotating disk. Power is transmitted by magnetic force to achieve contactless transmission. The clutch drive shaft is driven by a clutch push rod, thereby driving the first magnetic coupling and the second magnetic coupling to separate or approach.

[0011] Preferably, a rotating disk is installed at the outer axis of the second magnetic coupling via a rotating shaft.

[0012] Preferably, the outer surface of the second magnetic coupling is covered by a sealing cover.

[0013] Preferably, a stainless steel baffle is provided between the first magnetic coupling and the second magnetic coupling.

[0014] Preferably, a release bearing is installed at the bottom end of the clutch drive shaft near the clutch push rod, the inner ring of the release bearing is connected to the clutch drive shaft, and the outer ring of the release bearing is in contact with the bottom end of the clutch push rod.

[0015] Preferably, a U-shaped push block is installed at the bottom end of the clutch push rod, one end of the clutch drive shaft passes through the notch of the U-shaped push block, the width of the U-shaped push block is larger than the cross-sectional diameter of the clutch drive shaft, and the bottom end of the clutch push rod is rotatably connected to the inner wall of the side cover through the bearing seat. The clutch push rod drives the U-shaped push block to rotate by manual rotation, thereby promoting the movement of the release bearing.

[0016] Preferably, the outer rotating shaft of the second magnetic coupling is rotatably connected to the center of the sealing cover via a bearing.

[0017] Preferably, the inner edge of the sealing cover abuts against the outer side of the stainless steel baffle.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. In the improved motorcycle clutch side cover structure, wear is reduced through contactless transmission. Since there is no direct mechanical contact, the magnetic coupling eliminates friction and wear, thereby extending the service life.

[0020] 2. In the improved motorcycle clutch cover structure, since there are no wear parts, the magnetic coupling usually requires less maintenance, reducing operating costs and maintenance frequency. The magnetic coupling can achieve a completely sealed transmission system to prevent internal oil leakage. Since the inside and outside of the clutch are completely separated, the temperature difference and uneven heat conduction will prevent the emulsification of the oil.

[0021] 3. In the improved motorcycle clutch side cover structure, the magnetic coupling has natural vibration reduction and buffering capabilities, which can absorb impact and vibration and reduce damage to the transmission system. Due to the flexible connection of the magnetic coupling, the system runs more smoothly, reduces noise and vibration, and improves the running stability and reliability of the clutch. When an overload occurs, the magnetic coupling will automatically disengage to prevent damage to the transmission system caused by the overload, thereby protecting the clutch and improving safety. The magnetic coupling can automatically reset after the overload is released and resume normal operation.

[0022] 4. In the improved motorcycle clutch side cover structure, the magnetic coupling allows a certain degree of shaft alignment error, simplifies the installation and alignment requirements, improves installation flexibility, the magnetic coupling does not require deliberate maintenance, the natural magnetic loss rate is extremely low, and the rotating disk is placed most externally, which greatly reduces subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0025] Figure 3 It is one of the partial structural schematic diagrams of the utility model;

[0026] Figure 4 This is the second schematic diagram of the partial structure of the utility model;

[0027] Figure 5 This is the third partial structural schematic diagram of the utility model.

[0028] The meaning of each number in the figure is:

[0029] 1. Clutch drive shaft; 2. Release bearing; 3. Clutch push rod; 31. U-shaped push block; 32. Bearing seat; 4. First magnetic coupling; 5. Stainless steel baffle; 6. Second magnetic coupling; 7. Sealing cover; 8. Rotating disk; 9. Side cover. DETAILED DESCRIPTION

[0030] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model provides an improved motorcycle clutch side cover structure, such as Figure 1-Figure 5 As shown, it includes a magnetic coupling, which is installed at the side cover 9 of the clutch. The magnetic coupling includes a first magnetic coupling 4 and a second magnetic coupling 6. The inner side of the first magnetic coupling 4 is connected to the clutch drive shaft 1, and the outer side of the second magnetic coupling 6 is connected to the rotating disk 8. The power is transmitted by magnetic force to achieve contactless transmission. The clutch drive shaft 1 is driven by the clutch push rod 3, thereby driving the first magnetic coupling 4 and the second magnetic coupling 6 to separate or approach. The rotation of the engine drives the clutch drive shaft 1 to rotate and transmit power to the first magnetic coupling 4, and then outputs the torque to the second magnetic coupling 6 through magnetism, driving the external rotating disk 8 to rotate. During this process, the stainless steel baffle 5 completely blocks the internal engine oil from leaking out.

[0032] When the driver operates the clutch, the clutch push rod 3 rotates and pushes the release bearing 2, so that the first magnetic coupling 4 is separated from the second magnetic coupling 6. Due to the change in spatial distance, the magnetic force is weakened, the torque transmitted between the magnetic couplings is weakened, the kinetic energy of the second magnetic coupling 6 is reduced, the speed is reduced, and the speed of the rotating disk 8 is reduced accordingly.

[0033] The magnetic coupling has low torque, and even if the rotating disk 8 stops rotating due to external force, it will not cause damage to the engine and the clutch. At the same time, because the magnetic coupling has low torque, the rotating disk can stop rotating with only a very small torque, which greatly improves safety.

[0034] In this embodiment, a rotating disk 8 is installed at the outer axis of the second magnetic coupling 6 through a rotating shaft. The clutch drive shaft 1 is driven to rotate by the rotation of the engine to transmit power to the first magnetic coupling 4, and then the rotational torque is output to the second magnetic coupling 6 through magnetism, driving the external rotating disk 8 to rotate.

[0035] Specifically, the outer surface of the second magnetic coupling 6 is covered by a sealing cover 7 to ensure protection of the second magnetic coupling 6 .

[0036] Furthermore, a stainless steel baffle 5 is provided between the first magnetic coupling 4 and the second magnetic coupling 6 to prevent the internal engine oil from leaking outwards.

[0037] Furthermore, a release bearing 2 is installed at the bottom end of the clutch drive shaft 1 near the clutch push rod 3. The inner ring of the release bearing 2 is connected to the clutch drive shaft 1, and the outer ring of the release bearing 2 is in contact with the bottom end of the clutch push rod 3, so that the clutch drive shaft 1 can be driven to move through the clutch push rod 3, thereby driving the first magnetic coupling 4 and the second magnetic coupling 6 to achieve separation or approach.

[0038] Furthermore, a U-shaped push block 31 is installed at the bottom end of the clutch push rod 3, and one end of the clutch drive shaft 1 passes through the notch of the U-shaped push block 31. The width of the U-shaped push block 31 is larger than the cross-sectional diameter of the clutch drive shaft 1. The bottom end of the clutch push rod 3 is rotatably connected to the inner wall of the side cover 9 through the bearing seat. The clutch push rod 3 drives the U-shaped push block 31 to rotate by manual rotation, thereby pushing the release bearing 2 to move.

[0039] Furthermore, the outer rotating shaft of the second magnetic coupling 6 is rotatably connected to the center of the sealing cover 7 via a bearing, so as to facilitate the stable installation of the sealing cover 7.

[0040] Furthermore, the inner edge of the sealing cover 7 abuts against the outer side of the stainless steel baffle 5, so that the stainless steel baffle 5 remains fixed.

[0041] When the improved motorcycle clutch side cover structure of the utility model is used, first when the motorcycle engine is started, it will drive the clutch drive shaft 1 to rotate. The clutch drive shaft 1 is connected to the inner side of the first magnetic coupling 4, so the rotational power of the drive shaft will be directly transmitted to the first magnetic coupling 4. Due to the magnetic force between the first magnetic coupling 4 and the second magnetic coupling 6, the first magnetic coupling 4 will transmit the rotational torque to the second magnetic coupling 6 through magnetic force. The outer side of the second magnetic coupling 6 is connected to the rotating disk 8, so the rotating disk 8 will also rotate accordingly, thereby driving the motorcycle forward.

[0042] In this process, the stainless steel baffle 5 arranged between the first magnetic coupling 4 and the second magnetic coupling 6 plays a key role. It can completely block the internal oil from leaking out, thereby ensuring the stability of the transmission and the service life of the clutch.

[0043] When the driver needs to operate the clutch, it is achieved by controlling the clutch push rod 3. When the clutch push rod 3 rotates, it pushes the release bearing 2, thereby changing the distance between the first magnetic coupling 4 and the second magnetic coupling 6. As the distance between the two increases, the magnetic force gradually weakens, resulting in a decrease in the torque transmitted between the magnetic couplings. This design reduces the kinetic energy received by the second magnetic coupling 6, reduces the speed, and the speed of the rotating disk 8 connected to it will also slow down, achieving the clutch effect.

[0044] In addition, the design of the clutch side cover structure also fully considers safety and stability. The low torque characteristics of the magnetic coupling ensure that when the rotating disk 8 stops rotating due to external force, it will not cause damage to the engine and clutch. The outer rotating shaft of the second magnetic coupling 6 is rotatably connected to the center of the sealing cover 7 through a bearing, which not only facilitates the stable installation of the sealing cover 7, but also ensures the smoothness of the transmission. The inner edge of the sealing cover 7 abuts against the outer side of the stainless steel baffle 5, further ensuring the fixity of the stainless steel baffle 5 and effectively preventing the leakage of engine oil.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An improved motorcycle clutch cover structure, including a magnetic coupling, characterized in that: The magnetic coupling is mounted on a side cover (9) of the clutch. The magnetic coupling comprises a first magnetic coupling (4) and a second magnetic coupling (6). The inner side of the first magnetic coupling (4) is connected to the clutch drive shaft (1), and the outer side of the second magnetic coupling (6) is connected to the rotating disk (8). Power is transmitted by magnetic force to achieve contactless transmission. The clutch drive shaft (1) is driven by a clutch push rod (3), thereby driving the first magnetic coupling (4) and the second magnetic coupling (6) to separate or approach.

2. The improved motorcycle clutch side cover structure according to claim 1, characterized in that: A rotating disk (8) is mounted on the outer axis of the second magnetic coupling (6) via a rotating shaft.

3. The improved motorcycle clutch side cover structure according to claim 1, characterized in that: The outer surface of the second magnetic coupling (6) is covered by a sealing cover (7).

4. The improved motorcycle clutch side cover structure according to claim 3, characterized in that: A stainless steel baffle (5) is provided between the first magnetic coupling (4) and the second magnetic coupling (6).

5. The improved motorcycle clutch side cover structure according to claim 1, characterized in that: A release bearing (2) is installed at the bottom end of the clutch drive shaft (1) close to the clutch push rod (3); the inner ring of the release bearing (2) is connected to the clutch drive shaft (1), and the outer ring of the release bearing (2) is in contact with the bottom end of the clutch push rod (3).

6. The improved motorcycle clutch side cover structure according to claim 5, characterized in that: A U-shaped push block (31) is installed at the bottom end of the clutch push rod (3), one end of the clutch drive shaft (1) passes through the notch of the U-shaped push block (31), the width of the U-shaped push block (31) is greater than the cross-sectional diameter of the clutch drive shaft (1), and the bottom end of the clutch push rod (3) is rotatably connected to the inner wall of the side cover (9) through a bearing seat (32).

7. The improved motorcycle clutch side cover structure according to claim 1, characterized in that: The outer rotating shaft of the second magnetic coupling (6) is rotatably connected to the center of the sealing cover (7) via a bearing.

8. The improved motorcycle clutch side cover structure according to claim 4, characterized in that: The inner edge of the sealing cover (7) abuts against the outer side of the stainless steel baffle (5).

Images