Damping rocker arm mechanism of motorcycle

Abstract

The utility model belongs to the technical field of motorcycles, and particularly relates to a motorcycle damping rocker arm mechanism. The disc brake mounting seat comprises a forked supporting arm, an extending arm is arranged at the lower end of the first front fork, one end of the disc brake mounting seat is connected to a hub shaft of the motorcycle, one ends of the first rocker arm and the second rocker arm are connected to the two ends of the hub shaft of the motorcycle respectively, and the other ends of the first rocker arm and the second rocker arm are rotationally connected with the lower ends of the first front fork and the second front fork respectively. One end of the pull rod is rotatably connected to the bifurcated support arm, the other end of the pull rod is rotatably connected to an extension arm on the first front fork, the upper ends of the first front fork and the second front fork are connected to the fixed seat, the lower end of the fixed rod is connected to the fixed seat, the lower ends of the first shock absorber and the second shock absorber are connected to the middle parts of the first rocker arm and the second rocker arm, and the upper ends are connected to the fixed seat; the motorcycle front wheel damping device is novel in structure, damping of the motorcycle front wheel is achieved through a plurality of rotating points, the structural stability is good, the damping effect is good, and using comfort is good.

Description

Technical field:

[0001] The utility model belongs to the technical field of motorcycles, in particular to a shock absorbing rocker arm mechanism for a motorcycle. Background technology:

[0002] The shock absorbing structure is an important device of motorcycles. In order to mitigate and attenuate the impact and vibration of the motorcycle due to the uneven road during driving, ensure the smoothness and comfort of driving, and help to improve the service life and stability of the motorcycle, the shock absorbing structure is provided on the motorcycle. The front shock absorbing structure of the motorcycle is connected with the front wheel and the frame. It plays a role of supporting part of the skeleton and also plays a role of shock absorption. The shock absorbing structure on the existing motorcycle adopts a straight-tube shock absorption. For example, the first shock absorber used in a front shock absorbing device of a motorcycle disclosed in the Chinese invention patent (authorization announcement number CN 101580094B, application date 2009.05.14, announcement date 2010.11.10) is a straight-tube shock absorption. The shock absorbing structure of the straight-tube shock absorption will only move along the axial direction of the straight-tube shock absorption. Summary of the invention:

[0003] The utility model aims to provide a motorcycle shock absorbing rocker arm mechanism which can improve the shock absorbing effect.

[0004] The utility model is achieved in this way:

[0005] A shock-absorbing rocker arm mechanism for a motorcycle comprises a first front fork, a second front fork, a pull rod, a disc brake mounting seat, a first rocker arm, and a second rocker arm. The disc brake mounting seat comprises a forked support arm. An extension arm is provided at the lower end of the first front fork. One end of the disc brake mounting seat is connected to the wheel hub axle of the motorcycle. One end of the first rocker arm and the second rocker arm are respectively connected to the two ends of the motorcycle wheel hub axle, and the other end is rotatably connected to the lower end of the first front fork and the second front fork respectively. One end of the pull rod is rotatably connected to the forked support arm, and the other end is rotatably connected to the extension arm on the first front fork. The upper ends of the first front fork and the second front fork are connected to a fixed seat, and the lower end of the fixed rod is connected to the fixed seat. The lower ends of the first shock absorber and the second shock absorber are connected to the middle parts of the first rocker arm and the second rocker arm, and the upper ends are connected to the fixed seat.

[0006] In the above-mentioned shock-absorbing rocker arm mechanism for motorcycles, first U-shaped joints are respectively provided at both ends of the pull rod, and the first U-shaped joints are rotatably connected to the bifurcated arm and the extension arm through a pin shaft or an axial screw.

[0007] In the above-mentioned motorcycle shock-absorbing rocker arm mechanism, the lower ends of the first shock absorber and the second shock absorber are provided with second U-shaped joints, and the second U-shaped joints are rotationally connected to the first rocker arm and the second rocker arm respectively through pins or screws.

[0008] In the above-mentioned shock-absorbing rocker arm mechanism for motorcycles, the upper ends of the first shock absorber and the second shock absorber are provided with fisheye joints, the fixing seat is provided with a screw rod, and the fisheye joint is rotatably connected to the screw rod and limited by a nut.

[0009] In the above-mentioned shock absorbing rocker arm mechanism for motorcycle, the extension arm is L-shaped.

[0010] In the above-mentioned motorcycle shock absorbing rocker arm mechanism, the fixing seat is provided with a first front fork plugging hole and a second front fork plugging hole opening downward, and the upper ends of the first front fork and the second front fork are respectively inserted into the first front fork plugging hole and the second front fork plugging hole.

[0011] In the above-mentioned motorcycle shock absorbing rocker arm mechanism, the other end of the first rocker arm and the second rocker arm are rotatably connected to the lower end of the first front fork and the second front fork through a pin shaft or a screw, and bearings are provided between the pin shaft or the screw and the other end finger of the first rocker arm and the second rocker arm.

[0012] In the above-mentioned motorcycle shock absorbing rocker arm mechanism, a bearing is arranged between the motorcycle hub shaft and the disc brake mounting seat.

[0013] The outstanding advantages of the utility model compared with the prior art are:

[0014] The utility model has a novel structure, realizes the shock absorption of the front wheel of the motorcycle through multiple rotation points, has good structural stability, good shock absorption effect and good use comfort. Description of the drawings:

[0015] Figure 1 It is one of the schematic diagrams of the utility model installed on the front wheel;

[0016] Figure 2 This is the second schematic diagram of the utility model installed on the front wheel;

[0017] Figure 3 It is a schematic diagram of the disc brake mounting seat of the utility model;

[0018] Figure 4 It is a schematic diagram of the first front fork of the utility model.

[0019] In the figure: 1. first front fork; 2. second front fork; 3. pull rod; 4. disc brake mounting seat; 5. first rocker arm; 6. second rocker arm; 7. forked arm; 8. extension arm; 9. wheel hub shaft; 10. fixing seat; 11. fixing rod; 12. first shock absorber; 13. second shock absorber; 14. first U-shaped joint; 15. second U-shaped joint; 16. fisheye joint; 17. screw rod. Specific implementation method:

[0020] The present invention is further described below with reference to specific embodiments. Figure 1—4:

[0021] The utility model provides a shock absorbing rocker arm mechanism for a motorcycle, which comprises a first front fork 1, a second front fork 2, a pull rod 3, a disc brake mounting seat 4, a first rocker arm 5, and a second rocker arm 6. The disc brake mounting seat 4 comprises a bifurcated support arm 7. An extension arm 8 is provided at the lower end of the first front fork 1. One end of the disc brake mounting seat 4 is connected to a wheel hub shaft 9 of a motorcycle. One ends of the first rocker arm 5 and the second rocker arm 6 are respectively connected to the two ends of the wheel hub shaft 9 of the motorcycle, and the other ends are respectively rotatably connected to the lower ends of the first front fork 1 and the second front fork 2. One end of the pull rod 3 is rotatably connected to the bifurcated support arm 7, and the other end is rotatably connected to the extension arm 8 on the first front fork 1. The upper ends of the first front fork 1 and the second front fork 2 are connected to a fixing seat 10. The lower end of a fixing rod 11 is connected to the fixing seat 10. The lower ends of a first shock absorber 12 and a second shock absorber 13 are connected to the middle parts of the first rocker arm 5 and the second rocker arm 6, and the upper ends are connected to the fixing seat 10.

[0022] The utility model is different from the existing straight-tube shock-absorbing structure. The shock absorption of the front wheel of the motorcycle is achieved through the rotation between the first rocker arm 5, the second rocker arm 6 and the hub shaft 9, the rotation between the first front fork 1, the second front fork 2 and the first rocker arm 5, the second rocker arm 6, the rotation between the pull rod 3 and the forked support arm 7 on the disc brake mounting seat 4, and the rotation between the first shock absorber 12, the second shock absorber 13 and the first rocker arm 5, the second rocker arm 6. The utility model has good structural stability, good shock absorption effect and good comfort in use.

[0023] Furthermore, the first U-shaped joints 14 are respectively provided at both ends of the pull rod 3, and the first U-shaped joints 14 are rotatably connected to the bifurcated arm 7 and the extension arm 8 through a pin or a screw. During installation, the corresponding parts of the bifurcated arm 7 and the extension arm 8 are inserted into the opening of the first U-shaped joint 14, and then through the pin or the screw, and this connection structure has good stability.

[0024] Similarly, the utility model is provided with a second U-shaped joint 15 at the lower end of the first shock absorber 12 and the second shock absorber 13, and the second U-shaped joint 15 is rotatably connected to the first rocker arm 5 and the second rocker arm 6 respectively through a pin shaft or a screw. During installation, the corresponding parts of the first rocker arm 5 and the second rocker arm 6 are extended into the opening of the second U-shaped joint 15, and then through the pin shaft or the screw, and this connection structure has good stability.

[0025] In order to make the rotation flexible, the utility model is provided with bearings between the first rocker arm 5, the second rocker arm 6 and the pin shaft or the screw.

[0026] For the convenience of connection, a fisheye joint 16 is provided at the upper end of the first shock absorber 5 and the second shock absorber 6, and a screw rod 17 is provided on the fixing seat 10. The fisheye joint 16 is rotatably connected to the screw rod 17 and is limited by a nut.

[0027] It should be noted that the first shock absorber 5 and the second shock absorber 6 include a cylinder and a piston rod movably arranged in the cylinder, a limiting member is arranged outside the cylinder, a limiting convex edge is arranged on the fisheye joint 16, the second U-shaped joint 15 is connected to the lower end of the cylinder, the upper end of the piston rod is connected to the fisheye joint 16, and a return spring is sleeved outside the cylinder and the piston rod, and the lower end of the return spring is pressed against the limiting member, and the upper end is pressed against the limiting convex edge.

[0028] According to structural requirements, the extension arm 8 of the present invention is L-shaped. Usually, the upper end of the extension arm 8 is connected to the lower end of the first front fork 1 by welding.

[0029] In addition, the fixing seat 10 of the utility model is provided with a first front fork plugging hole and a second front fork plugging hole opening downward, and the upper ends of the first front fork 1 and the second front fork 2 are respectively inserted into the first front fork plugging hole and the second front fork plugging hole, so that the connection is quick and convenient.

[0030] Also for the purpose of flexible rotation, the other ends of the first rocker arm 5 and the second rocker arm 6 are rotatably connected to the lower ends of the first front fork 1 and the second front fork 2 through a pin shaft or a screw, and a bearing is provided between the pin shaft or the screw and the other end finger of the first rocker arm 5 and the second rocker arm 6. A bearing is also provided between the wheel hub shaft 9 of the motorcycle and the disc brake mounting seat 4.

[0031] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A shock absorbing rocker arm mechanism for a motorcycle, characterized in that: The motorcycle comprises a first front fork (1), a second front fork (2), a pull rod (3), a disc brake mounting seat (4), a first rocker arm (5), and a second rocker arm (6); the disc brake mounting seat (4) comprises a forked arm (7); an extension arm (8) is provided at the lower end of the first front fork (1); one end of the disc brake mounting seat (4) is connected to the wheel hub shaft (9) of the motorcycle; one end of the first rocker arm (5) and the second rocker arm (6) are respectively connected to the two ends of the wheel hub shaft (9) of the motorcycle, and the other end is respectively connected to the first front fork (1) and the second rocker arm (6). The lower end of the second front fork (2) is rotatably connected, one end of the pull rod (3) is rotatably connected to the bifurcated arm (7), and the other end is rotatably connected to the extension arm (8) on the first front fork (1), the upper ends of the first front fork (1) and the second front fork (2) are connected to a fixed seat (10), the lower end of the fixed rod (11) is connected to the fixed seat (10), the lower ends of the first shock absorber (12) and the second shock absorber (13) are connected to the middle parts of the first rocker arm (5) and the second rocker arm (6), and the upper ends are connected to the fixed seat (10).

2. The shock absorbing rocker arm mechanism for motorcycle according to claim 1, characterized in that: The two ends of the pull rod (3) are respectively provided with a first U-shaped joint (14), and the first U-shaped joint (14) is rotatably connected to the bifurcated support arm (7) and the extension arm (8) via a pin shaft or an axial screw.

3. The shock absorbing rocker arm mechanism for motorcycle according to claim 1, characterized in that: A second U-shaped joint (15) is provided at the lower end of the first shock absorber (12) and the second shock absorber (13), and the second U-shaped joint (15) is rotationally connected to the first rocker arm (5) and the second rocker arm (6) respectively through a pin shaft or a screw.

4. The shock absorbing rocker arm mechanism for motorcycle according to claim 1 or 3, characterized in that: The upper ends of the first shock absorber (12) and the second shock absorber (13) are provided with fisheye joints (16), the fixing seat (10) is provided with a screw rod (17), and the fisheye joint (16) is rotatably connected to the screw rod (17) and is limited by a nut.

5. The shock absorbing rocker arm mechanism for motorcycle according to claim 1, characterized in that: The extension arm (8) is L-shaped.

6. The shock absorbing rocker arm mechanism for motorcycle according to claim 1, characterized in that: The fixing seat (10) is provided with a first front fork insertion hole and a second front fork insertion hole with openings facing downwards, and the upper ends of the first front fork (1) and the second front fork (2) are respectively inserted into the first front fork insertion hole and the second front fork insertion hole.

7. The shock absorbing rocker arm mechanism for motorcycle according to claim 1, characterized in that: The other ends of the first rocker arm (5) and the second rocker arm (6) are rotatably connected to the lower ends of the first front fork (1) and the second front fork (2) via a pin shaft or a screw, and bearings are provided between the pin shaft or the screw and the other end members of the first rocker arm (5) and the second rocker arm (6).

8. The shock absorbing rocker arm mechanism for motorcycle according to claim 1, characterized in that: A bearing is arranged between the motorcycle wheel hub shaft (9) and the disc brake mounting seat (4).

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