Motorcycle clutch gear shifting executing mechanism

Abstract

The motorcycle clutch gear shifting executing mechanism comprises a motor, a speed changing structure and a clutch shaft, a rotatable clutch handle and a final-stage gear are further installed on the clutch shaft, the clutch handle is driven manually, the final-stage gear is driven by the motor and the speed changing structure, and the clutch handle and the final-stage gear drive the clutch shaft to rotate intermittently. An electric control mode and a manual control mode can be met at the same time, and the problem that people cannot control clutches or shift gears for normal riding during fault driving of an electric part is solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of engine components, and in particular relates to a clutch shift actuator for a motorcycle. Background Art

[0002] Currently, the actuators in motorcycles generally employ a configuration where the motor reducer directly drives the input shaft. For example, utility model patent application number 202321964413.2 discloses a clutch or shift actuator for a motorcycle engine. The transmission is primarily a worm gear, which presents several issues: inability to reverse, low transmission efficiency, high heat generation, and high cost. Therefore, if the clutch or shift actuator described in this utility model fails, the actuator will be unable to move, making it impossible to engage or disengage the engine clutch or shift gears, preventing the vehicle from operating normally and posing significant challenges for the driver. Summary of the Invention

[0003] The purpose of the present invention is to provide a motorcycle clutch shift actuator that can simultaneously meet the needs of electric control mode and manual control mode. When the motor drive device of the actuator fails, the driver can still control the clutch or shift gears in the manual control mode, thereby solving the problem that the driver cannot control the clutch or shift gears normally when the electric part fails.

[0004] To achieve the purpose of the present invention, the technical solution adopted is: a motorcycle clutch shift actuator, including a motor, a speed change structure and a clutch shaft, and a rotatable clutch handle and a final gear are also installed on the clutch shaft. The clutch handle is manually driven, and the final gear is driven by the motor and the speed change structure, and the clutch handle and the final gear both intermittently drive the clutch shaft to rotate.

[0005] Furthermore, the clutch shaft is provided with a mating surface A and a mating surface B spaced apart along its circumferential direction, and the clutch handle is provided with a first shifting claw inserted in the gap between the mating surface A and the mating surface B.

[0006] Furthermore, a transfer block is fixed on the clutch shaft, and the transfer block has a first boss and a second boss. The first boss and the second boss are arranged at intervals along the circumferential direction of the transfer block, and the mating surface A and the mating surface B are two opposite surfaces on the first boss and the second boss respectively.

[0007] Furthermore, the first boss also has a mating surface C, and the mating surface C and the mating surface A are located on both sides of the first boss, and the final-stage gear is a sector gear, and the final-stage gear has a second shifter dog, and the second shifter dog and the sector surface of the final-stage gear are arranged at intervals along the circumferential direction of the clutch shaft, and one side of the second shifter dog is mated with the mating surface C.

[0008] Furthermore, the speed change structure includes a first rotating shaft and a second rotating shaft, the first rotating shaft is equipped with a transmission gear and a transmission pinion, and the second rotating shaft is equipped with a large fan gear and an output pinion; the speed change structure also includes a primary gear installed at the output end of the motor, the primary gear is engaged with the transmission gear, the transmission pinion is engaged with the large fan gear, and the output pinion is engaged with the final gear.

[0009] Furthermore, it also includes a shell, which includes an upper box body and a lower box body fixed together, the upper box body has an opening for the clutch handle to pass through and swing, the lower end of the clutch shaft passes through the lower box body and extends outward, and the final stage gear, the motor output end, the two ends of the first rotating shaft, and the two ends of the second rotating shaft are all mounted on the shell through bearings.

[0010] Furthermore, a sealing structure is installed on the upper box body, and the sealing mechanism includes a sealing bottom plate for the clutch handle to pass through and swing, and a sealing cover plate that cooperates with the sealing bottom plate is also installed on the extended end of the clutch handle.

[0011] Furthermore, a sensor is installed on the output shaft, the first rotating shaft or the second rotating shaft of the motor, and the sensor is located outside the housing.

[0012] Furthermore, the motor is a brushless DC motor or a brushed DC motor.

[0013] The beneficial effects of the present invention are:

[0014] The present invention can satisfy both electric control mode and manual control mode; when the electric control mode is needed, the motor is effectively controlled by the information given by the vehicle ECU, so that starting and shifting under the drive of the motor are smoother and silkier, solving the problems of starting difficulty, large gear shifting frustration, and discomfort and fatigue caused by frequent gear shifting in urban areas due to insufficient driver skills; when the manual control mode is desired or the electric control mode fails, the driver can still manually operate the clutch handle to shift gears, solving the problem that the driver cannot control the clutch or shift gears normally when the electric control mode fails.

[0015] The present invention has a simpler structure and is lighter, has smoother transmission, and is easier to assemble when using the manual control mode. At the same time, through real-time detection by sensors, the separation and combination are more accurate, the response speed is faster, and the power output is smoother, giving users a better driving experience. In addition, when the motor fails, the manual control mode can be used, which is more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings illustrate exemplary embodiments of the present invention and together with the description serve to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification.

[0017] Figure 1 This is an overall schematic diagram of the motorcycle clutch shift actuator provided by the present invention;

[0018] Figure 2 A cross-sectional schematic diagram of a motorcycle clutch shift actuator provided by the present invention;

[0019] Figure 3 Schematic diagram of the structure of the motorcycle clutch shift actuator without the upper box provided by the present invention Figure 1 ;

[0020] Figure 4 A schematic diagram of the transmission structure of the motor, the speed change structure and the clutch shaft;

[0021] Figure 5 A schematic cross-sectional view of the transmission structure of the motor, the speed change structure and the clutch shaft;

[0022] Figure 6 It is a cross-sectional view of the upper box;

[0023] Figure 7 It is a structural diagram of the sealing bottom plate and the sealing cover plate;

[0024] Figure 8 This is a schematic diagram of the coordination between the clutch handle, adapter block and final gear;

[0025] Figure 9 This is a schematic diagram of the installation of the adapter block;

[0026] Figure 10 This is the structural diagram of the transfer block;

[0027] Figure 11 It is the structural diagram of the clutch shaft;

[0028] Figure 12 It is the structural diagram of the clutch handle;

[0029] Figure 13 This is the structural diagram of the final stage gear;

[0030] Figure 14 This is a schematic structural diagram of the motorcycle clutch shift actuator provided by the present invention on the entire vehicle.

[0031] Markings and corresponding parts names in the accompanying drawings:

[0032] 1. Upper housing, 2. Lower housing, 3. Clutch shaft, 4. Bearing, 5. Final gear, 6. Adapter block, 7. Sealing base plate, 8. Sealing cover plate, 9. Clutch handle, 10. Sensor, 11. Motor, 12. Primary gear, 13. First rotating shaft, 14. Transmission gear, 15. Transmission pinion, 16. Second rotating shaft, 17. Large sector gear, 18. Output pinion.

[0033] 51. second shifter claw, 52. mating surface G;

[0034] 6-1, first boss, 6-2, second boss, 61, mating surface C, 62, mating surface D, 63, mating surface B, 64, mating surface A;

[0035] 9-1, first shifter claw, 91, mating surface E, 92, mating surface F. DETAILED DESCRIPTION

[0036] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It will be understood that the specific embodiments described herein are intended only to explain the relevant content and are not intended to limit the present invention. It should also be noted that, for ease of description, only portions relevant to the present invention are shown in the accompanying drawings.

[0037] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0038] like Figures 1 to 14 As shown, the present invention provides a motorcycle clutch shift actuator, including a clutch shaft 3, a clutch handle 9 and a final gear 5, a transfer block 6 is fixedly mounted on the clutch shaft 3, and the transfer block 6 rotates while driving the clutch shaft 3 to rotate synchronously, and the transfer block 6 has a first boss 6-1 and a second boss 6-2, the first boss 6-1 and the second boss 6-2 both extend along the diameter direction of the transfer block 6, the first boss 6-1 and the second boss 6-2 are arranged at intervals in the circumferential direction of the transfer block 6, and the two sides of the first boss 6-1 are mating surfaces respectively. A64 and mating surface C61, with mating surfaces B63 and D62 on either side of the second boss 6-2. Mating surfaces A64 and B63 are two opposing surfaces on the first boss 6-1 and the second boss 6-2, while mating surfaces C61 and D62 are two opposing surfaces on the first boss 6-1 and the second boss 6-2. That is, mating surface A64 and mating surface B63 are spaced apart in the circumferential direction of the clutch shaft 3, and mating surface C61 and mating surface D62 are spaced apart in the circumferential direction of the clutch shaft 3. Based on the clockwise rotation direction of the clutch shaft 3, mating surface A64 is the clockwise side surface of the first boss 6-1, mating surface D62 is the clockwise side surface of the second boss 6-2, mating surface C61 is the counterclockwise side surface of the first boss 6-1, and mating surface B63 is the clockwise side surface of the second boss 6-2.

[0039] like Figure 3 、 Figure 12As shown, the clutch shaft handle 9 is rotatably mounted on the upper end of the clutch shaft 3 via a bearing, allowing relative rotation between the clutch shaft handle 9 and the clutch shaft 3. The clutch handle 9 is manually actuated. The clutch handle 9 includes a first finger 9-1 extending toward the adapter block 6. The two side surfaces of the first finger 9-1 are mating surfaces E91 and F92, respectively. After the clutch handle 9 is mounted on the clutch shaft 3, the extended end of the first finger 9-1 is inserted between the mating surface A64 and the mating surface B63 on the adapter block 6. At this point, the mating surface E91 on the first finger 9-1 mates with the mating surface B63 on the adapter block, while the mating surface F92 on the first finger 9-1 mates with the mating surface A64 on the adapter block 6. Based on the clockwise rotation direction of the clutch handle 9, the mating surface E91 is the clockwise side of the first finger 9-1, and the mating surface F92 is the counterclockwise side of the first finger 9-1.

[0040] like Figure 3 、 Figure 13 As shown, the final gear 5 is mounted on the lower end of the clutch shaft 3 and can rotate relative to the clutch shaft 3. The final gear 5 is electrically driven. The final gear 5 is a sector gear and has a second pusher pawl 51. The second pusher pawl 51 and the sector surface of the final gear 5 are circumferentially spaced about the rotation center of the sector gear 5. That is, there is a certain distance between the side of the second pusher pawl 51 and the side of the sector surface of the final gear 5. Furthermore, a first boss 6-1 on the rotating block 6 extends toward the final gear 5 and is inserted into the gap between the side of the second pusher pawl 51 and the side of the sector surface of the final gear 5. Based on the clockwise rotation direction of the final gear 5, the extended end of the first boss 6-1 is inserted between the clockwise side of the second pusher pawl 51 and the counterclockwise side of the sector surface of the final gear 5. The clockwise side of the second pusher pawl 51 serves as the mating surface G52.

[0041] In the present invention, when the clutch shaft 3 can be driven to rotate when the clutch handle 9 is manually driven and the final gear 5 is electrically driven, the first boss 6-1 and the second boss 6-2 can be provided on the clutch handle 9 without changing the structure of the final gear 5, the first shifter claw 9-1 can be provided on the adapter block 6, and an additional shifter claw structure can be provided on the adapter block 6 to be inserted into the gap between the side surface of the second shifter claw 51 and the side surface of the fan-shaped surface on the final gear 5; it is also possible that the structure of the first shifter claw 9-1 on the clutch handle 9 remains unchanged, without setting the first boss 6-1 to extend toward the final gear 5, and the second shifter claw 51 can be directly set to extend toward the adapter block 6.

[0042] In the present invention, without considering the complexity of the structure and the overall volume, the first boss 6-1 and the second boss 6-2 can also be realized without setting a boss on the adapter block 6. Two protrusion structures arranged at intervals along the circumferential direction of the clutch shaft 3 can also be directly fixed separately. At this time, the mating surface A61, the mating surface B63, the mating surface C61, and the mating surface D62 can also drive the clutch shaft 3 to rotate synchronously when rotating. This design can also meet the requirements of manual control mode and electric control mode.

[0043] In the present invention, Figure 3 、 Figure 4 As shown, the speed change structure includes a first rotating shaft 13 and a second rotating shaft 16, and a transmission gear 14 and a transmission pinion 15 are installed on the first rotating shaft 13 by means of a key connection or interference fit, and the transmission gear 14 and the transmission pinion 15 are arranged at intervals in the axial direction of the first rotating shaft 13, and a large sector gear 17 and an output pinion 18 are installed on the second rotating shaft 16 by means of a key connection or interference fit, and the large sector gear 17 and the output pinion 18 are arranged at intervals in the axial direction of the second rotating shaft 16; at the same time, the speed change structure also includes a primary gear 12 installed at the output end of the electric drive element motor 11 by means of a key connection or interference fit, the primary gear 12 is meshed with the transmission gear 14, the transmission pinion 15 is meshed with the large sector gear 17, and the transmission pinion 15 is meshed with the final gear 5.

[0044] In the present invention, Figure 1 、 Figure 2 As shown, the shift actuator also includes a housing, which includes an upper housing 1 and a lower housing 2 fixed together by bolts, the lower end of the input shaft 3 passes through the lower housing 2 and extends outward, and a bearing is sleeved on the final gear 5, and the outer ring of the bearing is fixed to the lower housing 2 by an interference fit; the motor 11 is installed in the lower housing 2, and a bearing 4 is installed on the output shaft of the motor 11 by an interference fit, and the outer ring of the bearing 4 is fixed to the upper housing 1 by an interference fit; both ends of the first rotating shaft 13 and the second rotating shaft 16 are installed with bearings 4 by an interference fit, and the outer ring of the bearing 4 is fixed to the upper housing 1 or the lower housing 2 by an interference fit.

[0045] In the present invention, a sensor 10 is also installed on the output shaft of the motor 11, the first rotating shaft 13 or the second rotating shaft 16, and the sensor 10 and the gripping end of the clutch handle are both located outside the housing. Therefore, in order to ensure the installation of the sensor 10, one end of the output shaft of the motor 11, the first rotating shaft 13 or the second rotating shaft 16 passes through the housing.

[0046] In the present invention, the motor 11 is a brushless DC motor or a brushed DC motor.

[0047] In the present invention, in order to prevent water and dirt from entering the housing, Figure 2 、 Figure 7 As shown, a sealing bottom plate 7 is also mounted on the upper housing 1. The sealing bottom plate 7 is bolted, welded, or otherwise attached to the opening in the upper housing 1 through which the clutch handle 9 passes. The sealing bottom plate 7 also has an opening through which the clutch handle 9 passes and rotates. A sealing cover plate 8 is also fixed to the gripping end of the clutch handle 9 via screws. The inner wall of the sealing cover plate 8 slides and seals against the outer wall of the sealing bottom plate 7. To ensure the tightness of the housing, the sealing cover plate 8 must always cover the opening in the sealing bottom plate 7 as it rotates with the clutch handle 9.

[0048] The shift actuator of this embodiment can be installed on the engine by using a special mounting bracket and bolts. Before installation, the shift actuator is assembled in the following manner: the final gear 5 is pressed into the bearing 4 to ensure that the final gear 5 and the inner ring of the bearing 4 rotate flexibly, and then the bearing 4 is pressed into the bearing 4 hole on the lower housing 2; the bearing 4 for mounting the first rotating shaft 13 and the second rotating shaft 16 is pressed onto the lower housing 2; the motor 11 is installed in the lower housing 2; the primary gear 12 is connected by a key or a through The clutch shaft 3 is installed in the engine (or the engine is already assembled with the clutch shaft 3), and the hole on the lower case 1 for the clutch shaft 3 to pass through is aligned with the clutch shaft 3, so that the clutch shaft 3 is inserted into the lower case 1, and the adapter block 6 is installed on the input shaft 3. Press-fit the bearings 4 for installing the output shaft of the motor 11, the first rotating shaft 13, and the second rotating shaft 16 into the upper box body 1; assemble the bearings on the clutch handle 9, and then assemble the clutch handle 9 equipped with the bearings onto the clutch shaft 3; press-fit the output shaft of the motor 11, the first rotating shaft 13, and the second rotating shaft 16 into the corresponding bearings 4 in the upper box body 1 respectively, fix the upper box body 1 and the lower box body 2 after aligning the positions, then install the sealing bottom plate 7 on the upper box body 1, and install the sealing cover plate 8 on the gripping end of the clutch handle 9.

[0049] Finally, the sensor 10 is mounted on the second rotating shaft 16 , and the power supply of the sensor 10 is turned on.

[0050] In the present invention, when motor 11 rotates, it drives primary gear 12. The meshing of primary gear 12 with transmission gear 14 causes transmission gear 14 to rotate synchronously, which in turn drives output pinion 15. This meshing of transmission pinion 15 with large sector gear 17 causes output pinion 18 to rotate synchronously. Output pinion 18 meshes with final gear 5, driving final gear 5 to rotate. As final gear 5 rotates, mating surface F52 on final gear 5 approaches mating surface C61 on adapter block 6, pushing adapter block 6 clockwise, thereby rotating clutch shaft 3 clockwise. This allows the shift actuator to support hill starts in gears 1 through 6 under electric control mode. Sensor 10 feeds information from the vehicle's electronic control unit to the vehicle's controller, which, combined with program instructions within the controller, effectively controls motor 11 in real time, making starting and shifting smoother under motor 11 drive. This solves the problems of starting difficulties, significant shifting jerks, and the discomfort and fatigue of frequent shifting in urban areas caused by inadequate driver skills.

[0051] When manual control of the clutch handle 9 is required, the clutch handle 9 drives the first shifter 9-1 to rotate clockwise synchronously, so that the mating surface E91 of the first shifter 9-1 gradually approaches the mating surface B63 on the adapter block 6, pushing the adapter block 6 to rotate clockwise, thereby rotating the input shaft 3, so that the shift actuator supports hill starts from 1st to 6th gears in manual control mode.

[0052] In this embodiment, the electric control mode and the manual control mode are two independent modes. The user can switch between the electric control mode and the manual control mode at will, and the mating surface C61 and the mating surface 63B on the adapter block 6 are the key to converting the electric control mode and the manual control mode. Without the adapter block 6, the torque cannot be transmitted, and the engine clutch cannot be separated and engaged or shifted; at the same time, the electric control mode and the manual control mode are realized through the joint cooperation of the clutch handle 9, the adapter block 6, the final gear 5, and the clutch shaft 3.

[0053] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0054] It should be understood by those skilled in the art that the above embodiments are merely for the purpose of illustrating the present invention clearly, and are not intended to limit the scope of the present invention. For those skilled in the art, other changes or modifications may be made based on the above disclosure, and these changes or modifications are still within the scope of the present invention.

Claims

1. A motorcycle clutch shift actuator, characterized in that: The invention comprises a motor (11), a speed change structure and a clutch shaft (3). A rotatable clutch handle (9) and a final gear (5) are also mounted on the clutch shaft (3). The clutch handle (9) is manually driven, and the final gear (5) is driven by the motor (11) and the speed change structure. The clutch handle (9) and the final gear (5) both intermittently drive the clutch shaft (3) to rotate.

2. The motorcycle clutch shift actuator according to claim 1, characterized in that: The clutch shaft (3) is provided with a mating surface A (64) and a mating surface B (63) spaced apart along its circumferential direction, and the clutch handle (9) is provided with a first shifting claw (91) inserted into the gap between the mating surface A (64) and the mating surface B (63).

3. The motorcycle clutch shift actuator according to claim 2, characterized in that: A transfer block (6) is fixed on the clutch shaft (3), and the transfer block (6) has a first boss (6-1) and a second boss (6-2). The first boss (6-1) and the second boss (6-2) are arranged at intervals along the circumferential direction of the transfer block (6), and the mating surface A (64) and the mating surface B (63) are two opposing surfaces on the first boss (6-1) and the second boss (6-2), respectively.

4. The motorcycle clutch shift actuator according to claim 3, characterized in that: The first boss (6-1) further comprises a mating surface C (61), the mating surface C (61) and the mating surface A (52) being located on both sides of the first boss (6-1), and the final gear (5) being a sector gear, the final gear (5) comprising a second shifter pawl (5-1), the second shifter pawl (5-1) and the sector surface of the final gear (5) being arranged at intervals along the circumferential direction of the clutch shaft (3), and one side of the second shifter pawl (5-1) being mated with the mating surface C (61).

5. The motorcycle clutch shift actuator according to claim 1, characterized in that: The speed change structure comprises a first rotating shaft (13) and a second rotating shaft (16), wherein a transmission gear (14) and a transmission pinion (15) are mounted on the first rotating shaft (13), and a large sector gear (17) and an output pinion (18) are mounted on the second rotating shaft (16); the speed change structure further comprises a primary gear (12) mounted on the output end of the motor (11), wherein the primary gear (12) is meshed with the transmission gear (14), the transmission pinion (15) is meshed with the large sector gear (17), and the output pinion (18) is meshed with the final gear (5).

6. The motorcycle clutch shift actuator according to claim 5, characterized in that: The invention also includes a housing, wherein the housing includes an upper housing (1) and a lower housing (2) fixed together. The upper housing (1) has an opening for a clutch handle (9) to pass through and swing. The lower end of the clutch shaft (3) passes through the lower housing (2) and extends outward. The final gear (5), the output end of the motor (11), both ends of the first rotating shaft (13), and both ends of the second rotating shaft (16) are all mounted on the housing via bearings (4).

7. The motorcycle clutch shift actuator according to claim 8, characterized in that: The upper box body (1) is also provided with a sealing structure, which includes a sealing bottom plate (7) for the clutch handle (9) to pass through and swing, and a sealing cover plate (8) is also provided at the extended end of the clutch handle (9) to cooperate with the sealing bottom plate (7).

8. The motorcycle clutch shift actuator according to claim 7, characterized in that: A sensor (10) is also installed on the output shaft, the first rotating shaft (13) or the second rotating shaft (16) of the motor (11), and the sensor (10) is located outside the housing.

9. The motorcycle clutch shift actuator according to claim 1, characterized in that: The motor (11) is a brushless DC motor or a brushed DC motor.

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