Drailleaver control mechanism

Abstract

The invention discloses a derailleur control mechanism, comprising: a housing fixedly provided with a pivot; a wire spool capable of winding a shift wire; the control deflector rod is mounted on the wire spool, and the control deflector rod can be actuated to rotate around the pivot; the floating disc is rotationally connected with the shell around a pivot and synchronously rotates with the wire spool, the floating disc can float in the axial direction relative to the wire spool, and balls are embedded in the ball grooves in a rolling mode; a plurality of positioning grooves are formed in the side, facing the floating disc, of the positioning disc in the circumferential direction, and the balls are arranged to be positioned and clamped in any positioning groove; and the elastic piece stretches and retracts in the axial direction of the pivot and applies elastic force towards the positioning disc to the floating disc. According to the control mechanism, the number of assembling parts is small, power transmission can be rapidly and accurately achieved, transmission is simple and efficient, the requirement for the machining precision of all the parts is low, a driver can adjust the gear shifting hand feeling and force to be comfortable in a user-defined mode, and the driver can conveniently and rapidly judge whether gear shifting operation is smoothly completed or not in the aspects of touch sense and hearing sense.

Description

Technical Field

[0001] The present invention relates to the technical field of bicycles, and in particular to a derailleur control mechanism. Background Art

[0002] At present, the mechanical speed change control mechanism of the derailleur is mainly manual and finger shifting, and the gear transmission structure is mainly used to realize gear shifting and positioning. The core of its control lies in: the positioning ratchet on the positioning gear is restrained by the positioning pawl to stop retreat, and the gear teeth on the gear shift gear are shifted by the gear shift pawl, so that the gear shift gear, positioning gear and winding disk rotate at the same time. The winding disk rotates at least the pitch angle of the two adjacent positioning ratchets on the positioning gear each time, and then winds and pulls the shift cable of the derailleur to realize the shift of the chain on different flywheels.

[0003] This type of derailleur control mechanism using a gear transmission structure often requires the assembly of many parts, and the transmission method is too complicated. Since the minimum rotation angle of the winding disc for each gear shift is determined by the specific distance required for each gear shift of the derailleur, the pitch angles of any two adjacent positioning ratchets on the positioning gear are different, and the pitch angles of any two adjacent shift teeth on the shift gear are also different. Therefore, very high manufacturing precision is required for the shift gear and the positioning gear. In addition, the shift lever will return to its original position after completing the shift operation. It is difficult for the rider to quickly determine whether the gear shift has actually been successful. The rider needs to look down to check and confirm the gear position indicator, which distracts the rider's attention while riding, and the rider cannot adjust the shift feel and force. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a derailleur control mechanism that enhances transmission efficiency, reduces machining precision requirements, and allows the rider to quickly determine whether a shift has been successfully completed. The mechanism also allows for custom adjustment of the shift feel and force for a comfortable shift.

[0005] The derailleur control mechanism according to an embodiment of the present invention comprises: a housing fixedly mounted with a pivot; a winding disc rotatably connected to the housing around the pivot, the winding disc being capable of winding a shift cable; an operating lever mounted on the winding disc, the operating lever being capable of being actuated to rotate around the pivot; a floating disc rotatably connected to the housing around the pivot and synchronously rotating with the winding disc, the floating disc and the winding disc having an axial gap and the floating disc being capable of floating axially relative to the winding disc, the floating disc being provided with a ball groove on a side away from the winding disc, a ball rollingly embedded in the ball groove, the ball portion protruding from the ball groove; a positioning disc along the pivot. The axial position of the shaft is adjustable and remains relatively fixed with the pivot along the circumferential direction. The positioning plate is provided with a plurality of positioning grooves along the circumferential direction on the side facing the floating plate, and the ball is configured to be positioned and clamped in any of the positioning grooves; an elastic member is provided between the winding plate and the floating plate, and the elastic member extends and contracts along the axial direction of the pivot and applies an elastic force toward the positioning plate to the floating plate to limit the floating plate from floating axially relative to the winding plate; when the operating lever is actuated to rotate around the pivot, the winding plate reels or unwinds the shift cable, and the floating plate can drive the ball to switch from one of the positioning grooves to another positioning groove.

[0006] When the operating lever is deactivated, the elastic force of the elastic member can keep the ball in the positioning groove, thereby achieving the purpose of locking the floating plate in the axial and circumferential directions and preventing the winding plate from rotating freely. The entire control mechanism has fewer assembly parts. It can quickly and accurately transmit power, with simple and efficient transmission. The spacing of each positioning groove is determined according to the specific distance required for each gear shift of the derailleur. The processing accuracy requirements for each component are also low. The axial position of the positioning plate along the pivot can be adjusted to change the axial gap between the floating plate and the winding plate, as well as the elastic force of the elastic member, so as to ultimately achieve the purpose of adjusting the minimum force required to shift the operating lever, so that the rider can customize the adjustment to a comfortable shifting feel and force. After the operating lever is rotated to a certain angle to complete the shifting operation, it does not need to return to the initial position. The rider's fingers can sense the rotation angle of the operating lever, and at the moment the ball slides down the positioning groove, the ball hits the positioning groove and produces a ticking sound, which facilitates the rider to quickly judge whether the shifting operation is completed smoothly through touch and hearing.

[0007] According to some embodiments of the present invention, the central angles between all two adjacent positioning grooves are at least partially unequal.

[0008] According to some embodiments of the present invention, the depth of the ball groove is smaller than the diameter of the ball and larger than the radius of the ball, and the depth of the positioning groove is smaller than the radius of the ball.

[0009] According to some embodiments of the present invention, the floating disk is provided with two ball grooves symmetrical about the pivot center on the side away from the winding disk, and a ball is rollingly embedded in each ball groove. The positioning disk is provided with two groups of positioning grooves symmetrical about the pivot center along the circumferential direction on the side facing the floating disk, and each group of positioning grooves includes a plurality of positioning grooves, and two balls are respectively positioned in one of the positioning grooves in the two groups of positioning grooves.

[0010] According to some embodiments of the present invention, a stop block is provided on a side of the positioning plate facing the floating plate, and the stop block is configured to stop the floating plate to limit a rotation range of the floating plate relative to the positioning plate.

[0011] According to some embodiments of the present invention, a tension adjustment unit is further included, which is connected to the pivot and can be adjusted along the axial position of the pivot. The tension adjustment unit abuts against the side of the positioning plate away from the floating plate. When the tension adjustment unit is adjusted along the axial position of the pivot, the tension adjustment unit squeezes or expands the axial gap between the floating plate and the winding plate through the positioning plate, and changes the deformation of the elastic member.

[0012] According to some embodiments of the present invention, the pivot is a hollow structure and has an internal thread, the tension adjustment unit includes an adjusting screw and a gasket, the adjusting screw passes through the gasket and is threadedly connected to the internal thread, and the gasket abuts against the side of the positioning plate away from the floating plate.

[0013] According to some embodiments of the present invention, an outer circumferential surface of the pivot is inwardly recessed to form an axial guide groove, and an inner circumferential surface of the positioning plate is correspondingly provided with an axial slider, and the axial slider is slidably connected to the axial guide groove.

[0014] According to some embodiments of the present invention, the elastic member is a diaphragm spring, which includes a connecting ring abutting against the floating disk and a plurality of elastic springs circumferentially arranged on the inner wall of the connecting ring, and the elastic springs extend obliquely toward the winding disk and abut against the winding disk.

[0015] According to some embodiments of the present invention, the winding disk is provided with a plurality of blocks along the circumference, and the floating disk is provided with a plurality of corresponding slots along the circumference. The blocks extend axially and are embedded in the slots so that the winding disk can drive the floating disk to rotate synchronously, and the floating disk can slide axially relative to the blocks.

[0016] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which: Figure 1 Schematic diagram of the structure of an embodiment of the present invention; Figure 2 for Figure 1 A top view of Figure 3 for Figure 2 AA rotated cut view; Figure 4 for Figure 3 A partial enlarged view of point B in the middle; Figure 5 for Figure 1 An exploded diagram of one of the perspectives; Figure 6 for Figure 1 A decomposition diagram from another perspective.

[0018] Figure numbers: housing 1, pivot 11, internal thread 111, axial guide groove 112, winding reel 2, clamping block 21, winding groove 22, shift cable 3, operating lever 4, floating plate 5, ball groove 51, clamping groove 52, ball 6, positioning plate 7, positioning groove 71, stop block 72, axial slider 73, elastic member 8, connecting ring 81, elastic spring 82, tightening adjustment unit 9, adjusting screw 91, gasket 92. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that descriptions involving orientations, such as the orientations or positional relationships indicated as inside, outside, up, down, axial, circumferential, etc., are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0020] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0021] Reference Figures 1 to 6 The present invention discloses a derailleur control mechanism, including a housing 1, a winding disc 2, a shift cable 3, an operating lever 4, a floating disc 5, a ball bearing 6, a positioning disc 7 and an elastic member 8.

[0022] Among them, reference Figure 3 The housing 1 is fixedly mounted with a pivot 11, and the winding drum 2 is connected to the housing 1 by rotating around the pivot 11. Figure 1 and Figure 2 The winding disc 2 can wind up the shift cable 3. The operating lever 4 is installed on the winding disc 2. The operating lever 4 can be actuated to rotate around the pivot 11. The rider can operate the winding disc 2 to reel in or unreel the shift cable 3 by moving the operating lever 4 with his fingers, thereby pulling the derailleur to realize the chain shifting on different flywheels.

[0023] Reference Figure 3 and Figure 4 The floating plate 5 rotates around the pivot 11 and is connected to the housing 1. The floating plate 5 rotates synchronously with the winding plate 2. There is a gap between the floating plate 5 and the winding plate 2 in the axial direction. The floating plate 5 can float in the axial direction relative to the winding plate 2. Figure 5 The floating disk 5 is provided with a ball groove 51 on the side away from the winding disk 2 , in which the ball 6 is embedded for rolling, and the ball 6 partially protrudes from the ball groove 51 .

[0024] Reference Figure 3 The axial position of the positioning plate 7 along the pivot 11 is adjustable and the circumferential direction is relatively fixed to the pivot 11. Figure 6 The positioning plate 7 is provided with a plurality of positioning grooves 71 along the circumferential direction on the side facing the floating plate 5 , and the ball 6 is configured to be positioned and clamped in any positioning groove 71 .

[0025] Reference Figure 3 、 Figure 4 and Figure 5 The elastic member 8 is arranged between the winding drum 2 and the floating disk 5. The elastic member 8 extends and contracts along the axial direction of the pivot 11 and applies an elastic force toward the positioning disk 7 to the floating disk 5 to limit the axial floating of the floating disk 5 relative to the winding drum 2. On the other hand, the elastic member 8 also applies an elastic force toward the housing 1 to the winding drum 2, thereby realizing the function of axially pressing the winding drum 2 to be assembled on the housing 1.

[0026] When the operating lever 4 is actuated to rotate around the pivot 11 , the winding drum 2 reels or unreels the shift wire 3 , and the floating disk 5 can drive the ball 6 to switch from one of the positioning grooves 71 to the other positioning groove 71 .

[0027] This control mechanism eliminates the traditional gear transmission structure and directly installs the operating lever 4 on the winding drum 2. When the operating lever 4 is actuated to rotate a certain angle around the pivot 11, the operating lever 4 drives the winding drum 2 and the floating disk 5 to rotate synchronously, so that the winding drum 2 reels or unwinds the shift wire 3, and the floating disk 5 drives the ball 6 to disengage from one of the positioning grooves 71 on the positioning disk 7, and then slides along the circumference of the positioning disk 7 until it is switched and clamped in the other positioning groove 71. At the same time, due to the elastic force exerted by the elastic member 8 on the floating disk 5 toward the positioning disk 7, the floating disk 5 is first forced to approach the winding drum 2 and then move away from the winding drum 2.

[0028] When the operating lever 4 is deactivated, refer to Figure 3 and Figure 4 The elastic force of the elastic member 8 can keep the ball 6 in the positioning groove 71, thereby locking the floating plate 5 in the axial and circumferential directions and preventing the winding plate 2 from rotating freely. The entire control mechanism has fewer assembly parts, can quickly and accurately realize power transmission, and the transmission is simple and efficient. The spacing between each positioning groove 71 is determined according to the specific distance required for each gear shift of the chain derailleur, and the processing accuracy requirements for each part are also low.

[0029] Reference Figure 3 and Figure 4 The control mechanism adjusts the axial position of the positioning plate 7 along the pivot 11, changes the axial gap between the floating plate 5 and the winding plate 2, and the elastic force of the elastic member 8, and ultimately achieves the purpose of adjusting the minimum force required to shift the operating lever 4, so that the driver can customize and adjust to a comfortable shifting feel and force. After the operating lever 4 is rotated to a certain angle to complete the shifting operation, it does not need to return to the initial position. The driver's fingers can sense the rotation angle of the operating lever 4, and when the ball 6 slides down the positioning groove 71, the ball 6 hits the positioning groove 71 and produces a ticking sound, which makes it convenient for the driver to quickly judge whether the shifting operation is successfully completed through touch and hearing.

[0030] In some embodiments of the present invention, the central angles between all two adjacent positioning grooves 71 are at least partially unequal. It can be understood that the central angle between two adjacent positioning grooves 71 refers to the central angle formed by the two adjacent positioning grooves 71 with the pivot 11 as the center. Different central angles correspond to different lengths of the shift cable 3 wound each time, and the distance required for the chain shifter to shift gears each time forms a one-to-one correspondence. By reasonably setting the difference in the central angle between the two adjacent positioning grooves 71 on the positioning plate 7, conditions are provided for the specific distance required for the chain shifter to shift gears each time, which is more conducive to the design of the chain shifter, so that the control mechanism can adapt to different combinations of flywheels.

[0031] Even in some embodiments, the central angles between all two adjacent positioning grooves 71 are not equal.

[0032] It is understood that the ball 6 is usually a sphere, but can also be a cylinder extending radially along the floating plate 5, and the ball 6 cannot be easily separated from the ball groove 51. Figure 3 、 Figure 4 and Figure 5 In some embodiments of the present invention, the ball 6 is a sphere, and the positioning groove 71 is in the shape of a spherical segment. The depth of the ball groove 51 is less than the diameter of the ball 6 and greater than the radius of the ball 6. The depth of the positioning groove 71 is less than the radius of the ball 6, ensuring that most of the area of the ball 6 is in the ball groove 51, wherein the large circle of the ball 6 perpendicular to the pivot 11 is also in the ball groove 51. When the floating plate 5 rotates relative to the positioning plate 7, the large circle of the ball 6 perpendicular to the pivot 11 will be pushed by the inner wall of the ball groove 51, and the resistance exerted by the positioning groove 71 on the ball 6 has a component force toward the floating plate 5. For the convenience of description, Figure 4 Taking the indicated direction as an example, the resistance applied by the positioning groove 71 to the ball 6 is toward the center of the ball 6, and has a vertically downward component. It can be understood that the greater the force applied to the operating lever 4, the greater the thrust of the inner wall of the ball groove 51 pushing the ball 6, and the greater the resistance applied by the positioning groove 71 to the ball 6. When the vertically downward component is greater than the elastic force applied by the elastic member 8 to the floating plate 5 toward the positioning plate 7, the ball 6 and the floating plate 5 descend together and rotate around the pivot 11, and the ball 6 itself also rolls. When the ball 6 leaves the positioning groove 71, the ball 6 and the floating plate 5 no longer descend.

[0033] In some embodiments, reference Figure 4 The lower part of the ball groove 51 is hemispherical, and the upper part is cylindrical, which makes it convenient for the ball 6 to be assembled into the ball groove 51, and after assembly, the ball 6 cannot be easily separated from the ball groove 51; in other embodiments, the ball groove 51 is in the shape of a spherical segment, and encloses a complete spherical space with the positioning groove 71.

[0034] In some embodiments, reference Figure 5 The floating plate 5 is provided with two ball grooves 51 symmetrical about the center of the pivot 11 on the side away from the winding plate 2. A ball 6 is rolled and embedded in each ball groove 51. Figure 6 The positioning plate 7 is provided with two groups of positioning grooves 71 symmetrical about the center of the pivot 11 along the circumferential direction on the side facing the floating plate 5. Each group of positioning grooves 71 includes multiple positioning grooves 71. The two balls 6 are respectively positioned in one of the positioning grooves 71 in the two groups of positioning grooves 71. This can maintain the force balance of the floating plate 5 and prevent the floating plate 5 from tilting relative to the positioning plate 7.

[0035] Reference Figure 5 and Figure 6A stop block 72 can also be provided on the side of the positioning plate 7 facing the floating plate 5. Correspondingly, the floating plate 5 is correspondingly provided with a stopped block. When the floating plate 5 rotates to the extreme position, the stop block 72 is configured to stop the stopped block of the floating plate 5 to limit the rotation range of the floating plate 5 relative to the positioning plate 7.

[0036] In some embodiments of the present invention, reference Figure 1 、 Figure 5 and Figure 6 The control mechanism also includes a tension adjustment unit 9, which is connected to the pivot 11 and can be adjusted along the axial position of the pivot 11. The tension adjustment unit 9 abuts against the side of the positioning plate 7 away from the floating plate 5. When the tension adjustment unit 9 is adjusted along the axial position of the pivot 11, the tension adjustment unit 9 squeezes or expands the axial gap between the floating plate 5 and the winding plate 2 through the positioning plate 7, and changes the deformation and elastic force of the elastic member 8. As mentioned above, the minimum thrust required to push the ball 6 is changed, thereby adjusting the minimum force required to move the operating lever 4.

[0037] In some embodiments, reference Figure 3 and Figure 5 The pivot 11 is a hollow structure and has an internal thread 111. Figure 6 The tension adjustment unit 9 includes an adjusting screw 91 and a gasket 92. The adjusting screw 91 passes through the gasket 92 and is threadedly connected to the internal thread 111. The gasket 92 abuts against the side of the positioning plate 7 away from the floating plate 5. The driver only needs to rotate the adjusting screw 91 to adjust the minimum force required to operate the lever 4, which is very convenient to adjust.

[0038] Reference Figure 5 and Figure 6 In some embodiments, the outer circumferential surface of the pivot 11 is recessed inward to provide an axial guide groove 112, and the inner circumferential surface of the positioning plate 7 is correspondingly provided with an axial slider 73. The axial slider 73 is slidably connected to the axial guide groove 112 to ensure that the axial position of the positioning plate 7 relative to the pivot 11 is adjustable, and it can also prevent the positioning plate 7 from rotating, ensuring that the positioning plate 7 maintains a relatively fixed position relationship with the pivot 11 along the circumferential direction.

[0039] In some embodiments, reference Figure 5 and Figure 6 The elastic member 8 is a diaphragm spring, which includes a connecting ring 81 abutting against the floating disk 5 and a plurality of elastic spring leaves 82 circumferentially arranged on the inner wall of the connecting ring 81. The elastic spring leaves 82 extend obliquely toward the winding disk 2 and abut against the winding disk 2. The diaphragm spring as a whole can be extended and deformed along the axial direction of the pivot 11, and is always in a compressed state, always applying an elastic force toward the positioning disk 7 to the floating disk 5.

[0040] In some other embodiments, the elastic member 8 may also be a compression spring sleeved outside the pivot 11 .

[0041] Reference Figure 3 and Figure 5 In some embodiments, the winding drum 2 is provided with a plurality of blocks 21 along the circumferential direction, and the floating disk 5 is correspondingly provided with a plurality of slots 52 along the circumferential direction. The blocks 21 extend axially and are embedded in the slots 52 so that the winding drum 2 can drive the floating disk 5 to rotate synchronously, and the floating disk 5 can slide axially relative to the blocks 21.

[0042] Reference Figure 1 The winding drum 2 is tightly connected to the operating lever 4, and the operating lever 4 can drive the winding drum 2 to rotate synchronously. A winding groove 22 is formed between the winding drum 2 and the operating lever 4. The winding groove 22 can wind the shift cable 3 and constrain the winding direction of the shift cable 3.

[0043] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] Of course, the present invention is not limited to the above-mentioned embodiments. Those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A derailleur control mechanism, characterized in that: include: a housing, fixedly mounted with a pivot; a winding drum, rotatably connected to the housing about the pivot, the winding drum being capable of winding the shift cable; an operating lever mounted on the winding drum, wherein the operating lever can be actuated to rotate around the pivot; a floating plate, connected to the housing and rotating synchronously with the winding plate, with a gap between the floating plate and the winding plate in the axial direction and capable of floating relative to the winding plate in the axial direction; a ball groove is formed on a side of the floating plate away from the winding plate, a ball rollingly embedded in the ball groove, and a portion of the ball protruding from the ball groove; A positioning plate, the axial position of which is adjustable along the pivot and is relatively fixed to the pivot along the circumferential direction, wherein the positioning plate is provided with a plurality of positioning grooves along the circumferential direction on a side facing the floating plate, and the ball is configured to be positioned and clamped in any of the positioning grooves; an elastic member disposed between the winding disk and the floating disk, the elastic member extending and retracting along the axial direction of the pivot and exerting an elastic force on the floating disk toward the positioning disk to limit the floating disk from floating axially relative to the winding disk; When the operating lever is actuated to rotate around the pivot, the winding drum reels or unwinds the shift wire, and the floating disk can drive the ball to switch from one of the positioning grooves to another positioning groove.

2. The derailleur control mechanism according to claim 1, wherein: The central angles between all two adjacent positioning grooves are at least partially unequal.

3. The derailleur control mechanism according to claim 1 or 2, wherein: The depth of the ball groove is smaller than the diameter of the ball and larger than the radius of the ball, and the depth of the positioning groove is smaller than the radius of the ball.

4. The derailleur control mechanism according to claim 3, wherein: The floating disk is provided with two ball grooves symmetrical about the pivot center on the side away from the winding disk, and a ball is rolled and embedded in each ball groove. The positioning disk is provided with two groups of positioning grooves symmetrical about the pivot center along the circumferential direction on the side facing the floating disk, and each group of positioning grooves includes multiple positioning grooves, and two balls are respectively positioned in one of the positioning grooves in the two groups of positioning grooves.

5. The derailleur control mechanism according to claim 4, wherein: A stop block is provided on a side of the positioning plate facing the floating plate, and the stop block is configured to stop the floating plate to limit the rotation range of the floating plate relative to the positioning plate.

6. The derailleur control mechanism according to claim 1, wherein: It also includes a tension adjustment unit, which is connected to the pivot and can be adjusted along the axial position of the pivot. The tension adjustment unit abuts against the side of the positioning plate away from the floating plate. When the tension adjustment unit is adjusted along the axial position of the pivot, the tension adjustment unit squeezes or expands the axial gap between the floating plate and the winding plate through the positioning plate, and changes the deformation of the elastic member.

7. The derailleur control mechanism according to claim 6, wherein: The pivot is a hollow structure and has an internal thread. The tension adjustment unit includes an adjusting screw and a gasket. The adjusting screw passes through the gasket and is threadedly connected to the internal thread. The gasket abuts against a side of the positioning plate away from the floating plate.

8. The derailleur control mechanism according to claim 7, wherein: The outer circumference of the pivot is inwardly recessed to form an axial guide groove, and the inner circumference of the positioning plate is correspondingly provided with an axial slider, which is slidably connected to the axial guide groove.

9. The derailleur control mechanism according to claim 1, wherein: The elastic member is a diaphragm spring, which includes a connecting ring abutting against the floating disk and a plurality of elastic springs circumferentially arranged on the inner wall of the connecting ring. The elastic springs extend obliquely toward the winding disk and abut against the winding disk.

10. The derailleur control mechanism according to claim 1, wherein: The winding disk is provided with a plurality of blocks along the circumference, and the floating disk is correspondingly provided with a plurality of slots along the circumference. The blocks extend axially and are embedded in the slots so that the winding disk can drive the floating disk to rotate synchronously, and the floating disk can slide axially relative to the blocks.

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