Motorcycle rocker arm

Abstract

The utility model relates to a motorcycle rocker arm which comprises a rocker arm body, a fixing hole is formed in the rocker arm body, a ball is installed at the fixing hole, a rotating shaft is fixedly connected in the fixing hole, the ball is arranged on one side of the rocker arm body, the rotating shaft is sleeved with the ball, the ball is rotationally arranged on the rotating shaft, and a threaded hole is formed in the end of the rotating shaft. A threaded hole is formed in the rocker arm body, a stud is in threaded connection with the interior of the threaded hole, an abutting piece is fixedly arranged at one end of the stud, the ball is located between the abutting piece and the rocker arm body, an anti-rotation mechanism is arranged between the abutting piece and the rotating shaft, and in the structure, the anti-rotation mechanism is used for preventing looseness between the abutting piece and the rotating shaft, and the position of the ball can be effectively fixed.

Description

Technical Field

[0001] This utility model relates to the field of motorcycle rocker arm technology, and in particular to a motorcycle rocker arm. Background Technology

[0002] To address the issue of excessive noise in existing motorcycle rocker arms, utility model patent CN207033521U discloses a noise-reducing rocker arm for motorcycles. In the technical solution provided by this patent, ball bearings are installed in ball bearing grooves on the main body via movable screws. Compared to traditional motorcycle rocker arms, this effectively reduces the noise generated when the rocker arm swings. At the same time, the outer surface of the ball bearings is provided with a wavy cotton sleeve, and the bottom end of the wavy cotton sleeve is provided with a lubricating inner layer, which can further reduce the metallic collision sound generated by the ball bearings during rolling, thus further enhancing the noise reduction effect.

[0003] However, in this technical solution, the ball bearings generate rotational force relative to the movable screw during rotation, which can easily cause the movable screw to loosen over long-term operation, thus reducing the stability of the ball bearing installation. Utility Model Content

[0004] This utility model proposes a motorcycle rocker arm that solves the above-mentioned problems existing in the use of the prior art.

[0005] The technical solution of this utility model is implemented as follows: A motorcycle rocker arm includes a rocker arm body, a fixing hole is provided on the rocker arm body, a ball is installed in the fixing hole, a rotating shaft is fixedly connected in the fixing hole, the ball is disposed on one side of the rocker arm body, the ball is sleeved on the rotating shaft and rotatably mounted on the rotating shaft, a threaded hole is provided at the end of the rotating shaft, a stud is threadedly connected in the threaded hole, a retaining member is fixedly provided at one end of the stud, the ball is located between the retaining member and the rocker arm body, and an anti-rotation mechanism is provided between the retaining member and the rotating shaft.

[0006] The present invention is further configured such that: the anti-rotation mechanism includes an elastic card, the end face of the abutment facing the rotating shaft is provided with an installation groove, the rotating shaft is provided with a limiting groove corresponding to the installation groove, and the elastic card is fixedly disposed on the inner side wall of the installation groove and extends toward the limiting groove.

[0007] The present invention is further configured such that the elastic card is a spring.

[0008] The present invention is further configured such that: a disassembly mechanism for pushing the elastic card outward is provided in the limiting groove.

[0009] The present invention is further configured such that: the disassembly mechanism includes a push block slidably disposed in the limiting groove; the end of the rotating shaft away from the threaded hole is provided with a sliding cavity; the sliding cavity is connected to the limiting groove and the opening area overlaps; a push column is slidably disposed in the sliding cavity; the push column is fixedly connected to the push block; and an elastic pushing member is abutting between the end of the sliding cavity near the threaded hole and the push column.

[0010] The present invention is further configured such that the elastic pushing member is a spring.

[0011] The present invention is further configured such that the rotating shaft is fixedly installed in the fixing hole by welding.

[0012] In summary, the beneficial effects of this utility model are as follows:

[0013] 1. In this structure, the anti-rotation mechanism is used to prevent loosening between the supporting part and the rotating shaft, and can effectively fix the position of the ball.

[0014] 2. The mounting groove allows the elastic card to deform in accordance with the gap between the support and the ball. At the same time, when the mounting groove on the support is aligned with the limiting groove on the rotating shaft, the elastic card can be inserted into the limiting groove to prevent the support from becoming loose.

[0015] 3. The push post can push the elastic card into the mounting slot to facilitate the installation and removal of the abutment. Attached Figure Description

[0016] 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.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle;

[0019] Figure 3 This is a three-dimensional structural diagram of the supporting member in this utility model;

[0020] Figure 4 This is a cross-sectional structural diagram of the rotating shaft in this utility model.

[0021] The following components are labeled in the diagram: 1 rocker arm body, 11 fixing hole, 2 rotating shaft, 21 threaded hole, 22 limiting groove, 23 sliding cavity, 24 push block, 25 push column, 26 elastic pusher, 31 ball, 41 stud, 42 holding component, 43 mounting groove, 44 elastic clip. Detailed Implementation

[0022] The following will refer to the appendix in the embodiments of this utility model. Figure 1-4 The technical solutions in the embodiments of this utility model are clearly and completely described herein. 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.

[0023] Example:

[0024] like Figures 1 to 4 As shown, this utility model discloses a motorcycle rocker arm, including a rocker arm body 1. The rocker arm body 1 has a fixing hole 11, and a rotating shaft 2 is welded into the fixing hole 11. A ball bearing 31 is sleeved on the rotating shaft 2. The ball bearing 31 is located on one side of the rocker arm body 1 and is rotatably mounted on the rotating shaft 2. In addition, a threaded hole 21 is provided at the end of the rotating shaft 2. A stud 41 is threadedly connected to the threaded hole 21. In this structure, a retaining member 42 is fixedly provided at the end of the stud 41, and the ball bearing 31 is located between the retaining member 42 and the rocker arm body 1. At the same time, an anti-rotation mechanism is provided between the retaining member 42 and the rotating shaft 2.

[0025] The end face of the abutment 42 facing the rotating shaft 2 is provided with an installation groove 43, and the rotating shaft 2 is provided with a limiting groove 22 corresponding to the installation groove 43. The anti-rotation mechanism specifically includes an elastic card 44. In this structure, the elastic card 44 is fixedly set on the inner side wall of the installation groove 43 and extends toward the limiting groove 22. The elastic card 44 can be a spring.

[0026] To facilitate the disassembly and installation of the abutment 42, a disassembly mechanism for pushing the elastic card 44 outward is provided in the limiting groove 22.

[0027] The disassembly mechanism specifically includes a push block 24 slidably disposed in the limiting groove 22. The end face of the limiting groove 22 away from the supporting member 42 can be used to abut against the push block 24. In this structure, a sliding cavity 23 is provided at the end of the rotating shaft 2 away from the threaded hole 21. The sliding cavity 23 is connected to the limiting groove 22 and the opening area overlaps. Furthermore, a push post 25 is slidably disposed in the sliding cavity 23. The push post 25 is fixedly connected to the push block 24. In addition, an elastic pushing member 26 is abutting between the end of the sliding cavity 23 near the threaded hole 21 and the push post 25. The elastic pushing member 26 can be a spring.

[0028] The working principle of the above structure is as follows: When the ball bearing 31 needs to be installed, firstly, the ball bearing 31 is fitted onto the rotating shaft 2, and then the retaining member 42 is installed on the rotating shaft 2 by means of threaded connection. During the installation of the retaining member 42, the push column 25 can be pressed first to make the push block 24 block the opening of the limiting groove 22 to prevent the elastic card 44 from entering the limiting groove 22. After the retaining member 42 is installed, the push column 25 is released. At this time, the elastic card 44 is stuck in the limiting groove 22, and the retaining member 42 cannot rotate relative to the rotating shaft 2. Therefore, the retaining member 42 can be prevented from becoming loose. When the retaining member 42 needs to be disassembled, the push column 25 can be pressed again to make the retaining member 42 rotate again.

[0029] It should also be noted that the terms used in this utility model, such as "front", "rear", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A motorcycle rocker arm, comprising a rocker arm body (1), wherein a fixing hole (11) is provided on the rocker arm body (1), and a ball bearing (31) is installed at the fixing hole (11), characterized in that: A rotating shaft (2) is fixedly connected in the fixing hole (11). The ball (31) is disposed on one side of the rocker arm body (1). The ball (31) is sleeved on the outside of the rotating shaft (2) and rotatably disposed on the rotating shaft (2). A threaded hole (21) is provided on the end of the rotating shaft (2). A stud (41) is threadedly connected in the threaded hole (21). A retaining member (42) is fixedly disposed on one end of the stud (41). The ball (31) is located between the retaining member (42) and the rocker arm body (1). An anti-rotation mechanism is provided between the retaining member (42) and the rotating shaft (2).

2. A motorcycle rocker arm according to claim 1, characterized in that: The anti-rotation mechanism includes an elastic card (44), and the abutment (42) has an installation groove (43) on the end face facing the rotating shaft (2). The rotating shaft (2) has a limiting groove (22) corresponding to the installation groove (43). The elastic card (44) is fixedly installed on the inner wall of the installation groove (43) and extends toward the limiting groove (22).

3. A motorcycle rocker arm according to claim 2, characterized in that: The elastic card (44) is a spring.

4. A motorcycle rocker arm according to claim 3, characterized in that: The limiting groove (22) is provided with a disassembly mechanism for pushing the elastic card (44) outward.

5. A motorcycle rocker arm according to claim 4, characterized in that: The disassembly mechanism includes a push block (24) slidably disposed in a limiting groove (22). A sliding cavity (23) is provided at the end of the rotating shaft (2) away from the threaded hole (21). The sliding cavity (23) is connected to the limiting groove (22) and the opening area overlaps. A push column (25) is slidably disposed in the sliding cavity (23). The push column (25) is fixedly connected to the push block (24). An elastic pusher (26) is abutting between the end of the sliding cavity (23) near the threaded hole (21) and the push column (25).

6. A motorcycle rocker arm according to claim 5, characterized in that: The elastic pusher (26) is a spring.

7. A motorcycle rocker arm according to claim 1, characterized in that: The rotating shaft (2) is fixedly installed in the fixing hole (11) by welding.

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