Segmented self-adaptive magnetic brake mechanism for fishing reel

Abstract

The invention discloses a fishing reel segmented self-adaptive magnetic brake mechanism, and relates to the technical field of fishing tackles, the fishing reel segmented self-adaptive magnetic brake mechanism comprises a reel seat, a magnet assembly and an adjusting mechanism, the adjusting mechanism drives the magnet assembly to move up and down, and the magnet assembly comprises a mounting seat, a sliding block, a magnet array and an elastic assembly; a plurality of fan-shaped concave cavities are formed in the peripheral wall of the mounting base in the circumferential direction, and at least two guide grooves are formed in the axial opposite side walls of the fan-shaped concave cavities; the sliding blocks are movably arranged in the fan-shaped concave cavities, guide pins embedded in the corresponding guide grooves are arranged on the upper end face and the lower end face of each sliding block respectively, and when the sliding blocks move along the guide grooves, the sliding blocks generate outward displacement in the radial direction while rotating around the axis of the mounting base; the magnet array is fixedly embedded in the radial outer side face of the sliding block body. The elastic assembly is arranged between the sliding block and the installation base and generates elastic restoring force opposite to the rotation direction of the sliding block when the sliding block moves. The braking force can be automatically adjusted according to the real-time rotating speed of the spool.

Description

Technical Field

[0001] The present invention relates to the technical field of fishing tools, in particular to a segmented adaptive magnetic brake mechanism for a fishing reel. Background Art

[0002] Magnetic braking systems are a widely used spool speed control technology in modern fishing reels. The basic principle is that the rotating spool (usually made of conductive materials such as aluminum alloy) cuts through the static magnetic field generated by a fixed magnet, generating eddy currents within the spool. These eddy currents, in turn, generate a braking force (i.e., force) that interacts with the original magnetic field, hindering the spool's rotation. The magnitude of this braking force depends primarily on the distance between the magnet and the spool and the effective area of ​​the spool cutting through the magnetic flux lines.

[0003] Currently, mainstream magnetic brake mechanisms are all "pre-set" types. Before casting, anglers manually use an external adjustment knob to manually drive the entire magnet assembly axially to adjust its depth into the reel, thereby changing the area of ​​the reel that cuts through the magnetic flux lines, thereby presetting a fixed braking force level.

[0004] Traditional magnetic brake mechanisms are unable to respond to the dynamic changes in spool speed during the cast. During the initial stages of the cast, spool speed instantly reaches its peak, requiring maximum braking force to prevent line breakage. Subsequently, as the lure's flight speed decreases due to air resistance, spool speed also decreases, requiring less braking force to achieve greater distance. A fixed, preset braking force cannot meet this dynamic demand: too high a preset force significantly compromises casting distance; too low a preset force results in extremely unstable initial casting, making line breakage more likely. Summary of the Invention

[0005] In response to the above-mentioned problems in the prior art, the present invention provides a segmented adaptive magnetic brake mechanism for a fishing reel that can automatically adjust the braking force according to the real-time rotation speed of the spool.

[0006] The technical solution adopted by the present invention is as follows: a segmented adaptive magnetic brake mechanism for a fishing reel, comprising a reel seat, a magnet assembly built into the reel seat, and an adjustment mechanism connected to the magnet assembly. The adjustment mechanism drives the magnet assembly to move up and down to adjust the depth of its screwing into the reel, thereby changing the area of ​​the reel cutting the magnetic flux lines, thereby adjusting the braking force of the reel. The magnet assembly includes a mounting seat, a sliding block, a magnet array, and an elastic component.

[0007] The mounting seat is connected to the adjustment mechanism and is cylindrical in shape. A plurality of fan-shaped concave cavities are provided on the outer peripheral wall of the mounting seat along the circumferential direction. At least two guide grooves are provided on the axially opposite side walls of the fan-shaped concave cavities.

[0008] The sliding block is movably disposed in the sector-shaped cavity, and includes a sliding block body. The upper and lower end surfaces of the sliding block body are respectively provided with guide pins embedded in corresponding guide grooves. The extension trajectory of the guide groove is such that when the sliding block moves along the guide groove, the sliding block rotates around the axis of the mounting seat and simultaneously generates a radial outward displacement;

[0009] The magnet array is fixedly embedded on the radial outer surface of the sliding block body;

[0010] The elastic component is arranged between the sliding block and the mounting seat, and is used to generate an elastic restoring force in the opposite direction of the sliding block's rotation when the sliding block moves; The elastic component includes a movable middle block, a first spring, and a second spring. The first spring and the second spring are respectively located on both sides of the movable middle block. One end of the first spring abuts against the first flange of the inner wall of the sliding block body, and the other end abuts against one side of the movable middle block. One end of the second spring abuts against the other side of the movable middle block, and the other end abuts against the second flange provided on the mounting seat. A limiting structure is provided on the mounting seat or the movable intermediate block, and the limiting structure is configured to: limit the movement stroke of the movable intermediate block relative to the mounting seat, and make the movement stroke smaller than the complete rotation stroke of the sliding block from the initial position to the maximum braking position; The spring constant of the first spring is greater than the spring constant of the second spring.

[0011] Furthermore, the mounting base includes a base and a cover plate, the cover plate is fastened to the bottom surface of the base by bolts, the fan-shaped cavity is formed on the outer peripheral wall of the base, and the guide groove is respectively formed on the base and the cover plate.

[0012] Furthermore, the movable middle block is arranged between the inner wall of the sliding block body and the base. The movable middle block is in an inverted T shape as a whole, including a base and a neck vertically connected to the base. The first spring and the second spring respectively abut against the two sides of the base. The limiting structure is a limiting groove arranged on the inner wall of the fan-shaped cavity to limit the moving stroke of the movable middle block. The neck of the movable middle block is accommodated in the limiting groove. The width of the limiting groove is sufficient to make the moving stroke of the movable middle block less than the complete rotation stroke of the sliding block from the initial position to the maximum braking position.

[0013] Furthermore, the movable intermediate blocks are correspondingly arranged at the ends of each sliding block body facing its rotation direction, and each movable intermediate block is fixedly connected to a sleeve, and the sleeve is coaxially sleeved on the inner ring of the base and can rotate relative to it. The limiting structure is a limiting part arranged on the base to limit the rotation stroke of the movable intermediate block, so that the rotation stroke of the movable intermediate block is smaller than the complete rotation stroke of the sliding block from the initial position to the maximum braking position.

[0014] Furthermore, the movable middle block is provided with accommodating grooves for accommodating the first spring and the second spring respectively.

[0015] Furthermore, the sliding block body is a fan-shaped structure, the axis of which coincides with the axis of the mounting seat, and the curvature radius of its outer peripheral wall is the same as the curvature radius of the outer peripheral wall of the mounting seat.

[0016] Furthermore, the adjustment mechanism includes an adjusting knob and a threaded column connected to the adjusting knob; an axially penetrating center hole is provided in the center of the mounting seat, and the inner wall of the center hole is provided with an internal thread matching the external thread on the threaded column, and the threaded column passes through the reel seat and is threadedly connected to the center hole on the mounting seat; a guide keying mechanism is provided between the mounting seat and the reel seat to limit the rotation of the mounting seat relative to the reel seat.

[0017] Furthermore, the threaded column is a hollow structure; a through hole matching the threaded column is provided at the center of the reel seat, a coaxially arranged positioning column is provided in the through hole, the outer diameter of the positioning column matches the hollow inner diameter of the threaded column, and the threaded column is sleeved on the positioning column; the bottom of the positioning column is connected to the reel seat through at least two spaced-apart connecting plates; the side wall of the center hole of the mounting seat is provided with an embedding groove matching the connecting plate; the vertical section of the connecting plate is located in the embedding groove, and the connecting plate cooperates with the embedding groove to constitute a guide keying mechanism for limiting the rotation of the mounting seat.

[0018] The beneficial effects of the present invention are:

[0019] (1) The present invention utilizes the electromagnetic attraction generated by electromagnetic induction itself, whose magnitude is proportional to the rotational speed of the spool, as the driving force. The guide groove mechanism converts this radial attraction into a compound motion of the sliding block, thereby automatically adjusting the distance between the magnet and the spool, forming a negative feedback closed loop: the rotational speed increases → the attraction increases → the magnet approaches → the braking force increases (suppressing the rotational speed); the rotational speed decreases → the attraction decreases → the magnet resets → the braking force decreases. This changes the inherent mode of the traditional brake that needs to be manually set in advance and remains unchanged throughout the casting process, and realizes full-process self-adaptation without manual intervention.

[0020] (2) A small radial displacement between the magnet and the spool will cause a drastic change in the braking force. The present invention decomposes the movement of the sliding block into a composite motion of rotation around the axis and displacement along the radial direction. On the one hand, the resulting radial displacement becomes smaller and easier to be precisely controlled through the mechanical structure, thereby suppressing the drastic change in the braking force caused by small displacement and making the output change of the braking force smoother. On the other hand, the introduction of the rotational component provides a longer stroke for the elastic component to do work, making the entire braking process smoother and more controllable.

[0021] (3) The present invention utilizes a two-stage variable stiffness system consisting of two springs and an intermediate block. At the initial stage of casting, the magnet array can quickly and sensitively move radially close to the spool to provide a larger initial braking force. As the rotation speed increases further, the spring with a larger stiffness coefficient is switched to provide resistance, so that the growth of the braking force becomes gentle. As the rotation speed of the spool decreases, the electromagnetic attraction weakens, and the elastic potential energy stored in the elastic component becomes dominant, which pushes the sliding block to move in the opposite direction along the guide groove, causing the magnet array to move radially away from the spool. The braking force is automatically reduced, thereby avoiding unnecessary resistance, ensuring the casting distance, and achieving the purpose of real-time, automatic, and intelligent adjustment of the braking force with the rotation speed of the spool.

[0022] (4) Through the design of the hollow threaded column, positioning column and connecting plate, the transmission function and anti-rotation function of the adjustment mechanism are integrated on the same axis, saving space and simplifying the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an exploded view of the overall structure of Example 1 of the present invention.

[0024] Figure 2 It is an exploded view of the magnet assembly of Example 1 of the present invention.

[0025] Figure 3 It is a schematic diagram of the matching structure of the elastic component and the mounting seat in Example 1 of the present invention.

[0026] Figure 4 It is a schematic diagram of the matching structure of the elastic component and the sliding block in Example 1 of the present invention.

[0027] Figure 5 Schematic diagrams of the sliding block in different states of Example 1 of the present invention, where (a) is the initial state and (b) is the maximum braking force state.

[0028] Figure 6 It is a schematic cross-sectional structural diagram of the reel seat of Example 1 of the present invention.

[0029] Figure 7 It is a schematic cross-sectional structure diagram of the overall structural assembly state of Example 1 of the present invention.

[0030] Figure 8 It is an exploded view of the magnet assembly of Example 2 of the present invention.

[0031] Figure 9 It is a schematic diagram of the matching structure of the elastic component, the mounting seat and the sliding block in Example 2 of the present invention.

[0032] In the figure: adjusting mechanism 1, adjusting knob 101, threaded column 102, reel seat 2, through hole 201, positioning column 202, connecting plate 203, magnet assembly 3, mounting seat 310, base 311, cover plate 312, bolt 313, guide groove 314, limiting groove 315, second flange 316, center hole 317, embedding groove 318, sliding block 320, sliding block body 321, guide pin 322, first flange 323, magnet array 330, elastic component 340, movable intermediate block 341, first spring 342, second spring 343, sleeve 344. DETAILED DESCRIPTION

[0033] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0034] Example 1

[0035] like Figure 1 As shown, the present embodiment provides a segmented adaptive magnetic brake mechanism for a fishing reel, comprising a reel seat 2, a magnet assembly 3 built into the reel seat 2, and an adjustment mechanism 1 connected to the magnet assembly 3. The adjustment mechanism 1 drives the magnet assembly 3 to move up and down to adjust the depth of its screwing into the reel, thereby changing the area of ​​the magnetic flux lines cut by the reel, thereby achieving adjustment of the braking force of the reel.

[0036] like Figure 1 、 Figure 2 As shown, in this embodiment, the magnet assembly 3 includes a mounting base 310, a sliding block 320 mounted on the mounting base 310, a magnet array 330, and an elastic assembly 340. The mounting base 310 is generally cylindrical and is connected to the adjustment mechanism 1. The adjustment mechanism 1 drives the mounting base 310 to move up and down, thereby presetting a fixed braking force level.

[0037] like Figure 1 、 Figure 2 、 Figure 6 、 Figure 7As shown, in this embodiment, the adjustment mechanism 1 includes an adjusting knob 101 and a threaded column 102 connected to the adjusting knob 101. The threaded column 102 is a hollow structure with an external thread on its outer circumference. A through hole 201 matching the threaded column 102 is provided at the center of the reel seat 2. A coaxial positioning column 202 is provided in the through hole 201. The outer diameter of the positioning column 202 matches the hollow inner diameter of the threaded column 102. The threaded column 102 is sleeved on the positioning column 202. The bottom of the positioning column 202 is connected to the reel seat 2 as a whole through two spaced-apart connecting plates 203. An axially extending center hole 317 is provided at the center of the mounting seat 310. The threaded column 102 and the positioning column 202 are both located in the center hole 317. An internal thread matching the external thread on the threaded column 102 is provided on the inner wall of the center hole 317 and at a position corresponding to the gap between the connecting plate 203. The sidewall of center hole 317 is provided with a slot 318 that mates with connecting plate 203. The vertical section of connecting plate 203 is positioned within slot 318. The connection plate 203 and slot 318 cooperate to form a guide keying mechanism that restricts rotation of mounting base 310. Threaded post 102 is inserted into through-hole 201 and engages with the threads on the inner wall of center hole 317. Adjusting knob 101 drives threaded post 102 to rotate, but mounting base 310, restricted by connecting plate 203, cannot rotate, thereby achieving vertical displacement.

[0038] like Figure 2-Figure 4 As shown, in this embodiment, two fan-shaped concave cavities are symmetrically arranged along the circumferential direction on the outer peripheral wall of the mounting seat 310, and two sliding blocks 320 are respectively movably arranged in the two fan-shaped concave cavities. Two guide grooves 314 are provided on the axially opposite side walls of the fan-shaped concave cavities. The sliding block 320 includes a sliding block body 321. The upper and lower end surfaces of the sliding block body 321 are respectively provided with guide pins 322 embedded in the corresponding guide grooves 314. The extension trajectory of the guide groove 314 is such that when the sliding block 320 moves along the guide groove 314, the sliding block 320 rotates around the axis of the mounting seat 310 and generates a radial outward displacement (see Figure 5 The magnet array 330 is fixedly embedded in the radially outer surface of the sliding block body 321. To facilitate assembly, in this embodiment, the mounting base 310 includes a base 311 and a cover plate 312. The cover plate 312 is fastened to the bottom surface of the base 311 via bolts 313. A fan-shaped cavity is formed on the outer peripheral wall of the base 311, and guide grooves 314 are formed in the base 311 and the cover plate 312.

[0039] In this embodiment, the sliding block body 321 is a fan-shaped structure, whose axis coincides with the axis of the mounting seat 310, and the curvature radius of its outer peripheral wall is the same as the curvature radius of the outer peripheral wall of the mounting seat 310, thereby maintaining a uniform gap with the inner wall of the spool and generating a stable and uniform braking force.

[0040] The elastic assembly 340 is disposed between the sliding block 320 and the inner wall of the fan-shaped concave cavity of the mounting base 310, generating a force opposite to the direction of rotation of the sliding block 320 when the sliding block 320 moves. In this embodiment, the elastic assembly 340 includes a movable intermediate block 341, a first spring 342, and a second spring 343. The first spring 342 and the second spring 343 are respectively located on either side of the movable intermediate block 341. One end of the first spring 342 abuts against a first flange 323 on the inner wall of the sliding block body 321, and the other end abuts against one side of the movable intermediate block 341. One end of the second spring 343 abuts against the other side of the movable intermediate block 341, and the other end abuts against a second flange 316 provided on the inner wall of the fan-shaped concave cavity. A limiting groove 315 is also provided on the inner wall of the fan-shaped concave cavity to limit the travel of the movable intermediate block 341. The width of the limiting groove 315 is less than the complete rotational travel of the sliding block 320 from the initial position to the maximum braking position. During operation, the high-speed rotation of the reel cuts through the magnetic flux lines, generating a force on the magnet array 330 toward the reel's central axis. This driving force, combined with the action of the guide slot 314, causes the slider 320 to undergo a combined rotation about the axis of the mounting base 310 and radial displacement. Initially, the slider body 321 pushes the movable intermediate block 341 via the first spring 342 to compress the second spring 343. Once the movable intermediate block 341 is in position and blocked by the retaining slot 315, the slider body 321 continues to rotate, compressing only the first spring 342, while the compression of the second spring 343 remains unchanged. In this embodiment, the spring constant of the first spring 342 is greater than that of the second spring 343. This design creates a sensitive start-up phase, providing a nonlinear "extremely soft at first, extremely hard at the end" response. This effectively prevents unnecessary excessive braking force growth in the mid- and late-stage, preventing line breakage while contributing to superior casting distance.

[0041] In this embodiment, the movable middle block 341 is in an inverted T-shape as a whole, which includes a base and a neck vertically connected to the base. The neck is accommodated in the limiting groove 315, and the first spring 342 and the second spring 343 respectively abut against the two sides of the base.

[0042] Example 2

[0043] like Figure 8 、 Figure 9As shown, this embodiment differs from Embodiment 1 in the specific structure of the movable intermediate block 341. In this embodiment, the movable intermediate block 341 is correspondingly disposed at the end of each sliding block body 321 facing its rotational direction. Each movable intermediate block 341 is fixedly connected to a sleeve 344, which is coaxially sleeved on the inner ring of the base 311 and can rotate relative thereto. The base 311 is provided with a limiter to limit the rotational travel of the movable intermediate block 341, so that the rotational travel of the movable intermediate block 341 is less than the complete rotational travel of the sliding block 320 from the initial position to the maximum braking position.

[0044] During operation, the sliding block 320, under the action of the driving force generated by the wire wheel cutting the magnetic flux lines, undergoes a compound motion of rotation around the axis of the mounting seat 310 and radial displacement along the guide groove 314. In the initial stage, the sliding block body 321 pushes the movable middle block 341 and the sleeve 344 to rotate through the first spring 342, while compressing the second spring 343. When the movable middle block 341 moves into position and is blocked by the limiting portion on the base 311, the position of the movable middle block 341 and the sleeve 344 is limited. If the sliding block body 321 continues to rotate, it can only compress the first spring 342, and the compression amount of the second spring 343 no longer changes. Through this design, the nonlinear response of "extremely soft at first, extremely hard later" is also achieved, and the number of parts is reduced, simplifying the assembly process. The force transmission is linked through the sleeve 344, which can trigger a coordinated response of all the magnet arrays 330.

[0045] In this embodiment, the movable middle block 341 is provided with receiving grooves for respectively receiving the first spring 342 and the second spring 343 , so as to achieve accurate installation and positioning of the first and second springs.

[0046] See also Figure 8 This embodiment also differs from the first embodiment in the structure of the guide keying mechanism between the mounting base 310 and the reel seat 2. In this embodiment, an upward-pointing protrusion is provided on the upper end surface of the base 311. The protrusion is embedded in a notch provided on the reel seat 2 that matches the protrusion. When the adjusting knob 101 and the threaded column 102 are rotated, the mounting base 310 is prevented from rotating, thereby achieving vertical displacement.

[0047] The above content is merely an example and explanation of the structure of the present invention. Those skilled in the art may make various modifications or additions to the described specific embodiments or replace them in a similar manner. As long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they should all fall within the scope of protection of the present invention.

Claims

1. A segmented adaptive magnetic brake mechanism for a fishing reel, comprising a reel seat (2), a magnet assembly (3) built into the reel seat (2), and an adjustment mechanism (1) connected to the magnet assembly (3), wherein the adjustment mechanism (1) drives the magnet assembly (3) to move up and down to adjust the depth of the magnet assembly (3) screwed into the reel, thereby changing the area of ​​the reel cutting the magnetic flux lines, thereby achieving adjustment of the reel braking force, and characterized in that: The magnet assembly (3) comprises a mounting seat (310), a sliding block (320), a magnet array (330), and an elastic assembly (340); The mounting seat (310) is connected to the adjustment mechanism (1) and is cylindrical in shape as a whole. A plurality of fan-shaped concave cavities are provided on the outer peripheral wall of the mounting seat (310) along the circumferential direction, and at least two guide grooves (314) are provided on the axially opposite side walls of the fan-shaped concave cavities. The sliding block (320) is movably arranged in the fan-shaped cavity, and includes a sliding block body (321). The upper and lower end surfaces of the sliding block body (321) are respectively provided with guide pins (322) embedded in corresponding guide grooves (314). The extension track of the guide groove (314) is such that when the sliding block (320) moves along the guide groove (314), the sliding block (320) rotates around the axis of the mounting seat (310) and generates a radial outward displacement. The magnet array (330) is fixedly embedded on the radial outer surface of the sliding block body (321); The elastic component (340) is arranged between the sliding block (320) and the mounting seat (310), and is used to generate an elastic restoring force in the opposite direction of the rotation of the sliding block (320) when the sliding block (320) moves; The elastic component (340) includes a movable middle block (341), a first spring (342), and a second spring (343). The first spring (342) and the second spring (343) are respectively located on both sides of the movable middle block (341). One end of the first spring (342) abuts against the first flange (323) on the inner wall of the sliding block body (321), and the other end abuts against one side of the movable middle block (341). One end of the second spring (343) abuts against the other side of the movable middle block (341), and the other end abuts against the second flange (316) provided on the mounting seat (310). A limiting structure is provided on the mounting seat (310) or the movable middle block (341), and the limiting structure is configured to: limit the movement stroke of the movable middle block (341) relative to the mounting seat (310), and make the movement stroke smaller than the complete rotation stroke of the sliding block (320) from the initial position to the maximum braking position; The spring constant of the first spring (342) is greater than the spring constant of the second spring (343).

2. The segmented adaptive magnetic brake mechanism for a fishing reel according to claim 1, characterized in that: The mounting base (310) includes a base (311) and a cover plate (312), wherein the cover plate (312) is fastened to the bottom surface of the base (311) by bolts (313), the fan-shaped concave cavity is formed on the outer peripheral wall of the base (311), and the guide groove (314) is respectively formed on the base (311) and the cover plate (312).

3. The segmented adaptive magnetic brake mechanism for a fishing reel according to claim 2, characterized in that: The movable middle block (341) is arranged between the inner wall of the sliding block body (321) and the base (311). The movable middle block (341) is in an inverted T shape as a whole, and includes a base and a neck vertically connected to the base. The first spring (342) and the second spring (343) respectively abut the two sides of the base. The limiting structure is a limiting groove (315) arranged on the inner wall of the fan-shaped cavity to limit the moving stroke of the movable middle block (341). The neck of the movable middle block (341) is accommodated in the limiting groove (315). The width of the limiting groove (315) satisfies that the moving stroke of the movable middle block (341) is less than the complete rotation stroke of the sliding block (320) from the initial position to the maximum braking position.

4. The segmented adaptive magnetic brake mechanism for a fishing reel according to claim 2, wherein: The movable middle block (341) is correspondingly arranged at the end of each sliding block body (321) facing its rotation direction, and each movable middle block (341) is fixedly connected to a sleeve (344). The sleeve (344) is coaxially sleeved on the inner ring of the base (311) and can rotate relative to it. The limiting structure is a limiting part arranged on the base (311) to limit the rotation stroke of the movable middle block (341), so that the rotation stroke of the movable middle block (341) is smaller than the complete rotation stroke of the sliding block (320) from the initial position to the maximum braking position.

5. The segmented adaptive magnetic brake mechanism for a fishing reel according to claim 4, characterized in that: The movable middle block (341) is provided with accommodating grooves for respectively accommodating the first spring (342) and the second spring (343).

6. The segmented adaptive magnetic brake mechanism for a fishing reel according to claim 1, characterized in that: The sliding block body (321) is a fan-shaped structure, the axis of which coincides with the axis of the mounting seat (310), and the curvature radius of its outer peripheral wall is the same as the curvature radius of the outer peripheral wall of the mounting seat (310).

7. The fishing reel segmented adaptive magnetic brake mechanism according to claim 1, characterized in that: The adjusting mechanism (1) comprises an adjusting knob (101) and a threaded column (102) connected to the adjusting knob (101); an axially extending center hole (317) is provided at the center of the mounting seat (310); an inner wall of the center hole (317) is provided with an internal thread matching the external thread on the threaded column (102); the threaded column (102) passes through the reel seat (2) and is threadedly connected to the center hole (317) on the mounting seat (310); and a guide keying mechanism is provided between the mounting seat (310) and the reel seat (2) for limiting the rotation of the mounting seat (310) relative to the reel seat (2).

8. The segmented adaptive magnetic brake mechanism for a fishing reel according to claim 7, characterized in that: The threaded column (102) is a hollow structure; a through hole (201) matching the threaded column (102) is provided at the center of the reel seat (2); a coaxially arranged positioning column (202) is provided in the through hole (201); the outer diameter of the positioning column (202) matches the hollow inner diameter of the threaded column (102), and the threaded column (102) is sleeved on the positioning column (202); the bottom of the positioning column (202) is connected to the reel seat (2) through at least two spaced connecting plates (203); the side wall of the central hole (317) of the mounting seat (310) is provided with an embedding groove (318) matching the connecting plate (203); the vertical section of the connecting plate (203) is located in the embedding groove (318), and the connecting plate (203) cooperates with the embedding groove (318) to form a guide keying mechanism for limiting the rotation of the mounting seat (310).

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