Power-supply-free electromagnetic brake fishing reel with mode adjusting function

Abstract

The utility model discloses a power-free electromagnetic brake fishing reel with a mode adjusting function. The power-free electromagnetic brake fishing reel comprises a reel shell, a reel cup, an electric control board, an operation key and an electromagnetic brake assembly, a mode element is further integrated on the electric control board, and the electromagnetic brake assembly has a plurality of brake modes under the control of the mode element; the operation key is movably arranged relative to the line wheel shell, and the operation key at least has a gear adjusting position state and a mode adjusting position state; according to the utility model, the control element and the mode element on the electric control board are used, and the position state of the operation key is increased, so that when the operation key moves to the gear switching position state, the control element can supply the induction current generated by the rotation of the wire cup in the throwing process to the mode element; the brake mode of the electromagnetic brake assembly is switched through the electromagnetic brake assembly, the function of an original power source is replaced with an induced current generated instantly, and on the premise that the fishing reel has multiple brake modes and can be switched, the cost of the fishing reel cannot be increased.

Description

Technical Field

[0001] This utility model relates to the field of fishing reels, specifically to a power-free electromagnetic brake fishing reel with mode adjustment function. Background Technology

[0002] A fishing reel, also known as a line reel or line spool, is an essential piece of fishing tackle for casting rods. It is primarily attached to the front of the casting rod handle. During casting, the bait travels with inertia, pulling the fishing line out of the reel's outlet. This causes the spool to rotate and release line. The bait's speed decreases due to air resistance and line friction. When the speed at which the spool releases line exceeds the speed at which the line is pulled out of the reel, some line becomes trapped inside, forming a float and leading to tangling. Therefore, modern fishing reels typically include a braking and deceleration device for the spool to prevent tangling during casting.

[0003] With the development of related technologies, devices that rely on electromagnetic induction to brake the spool of a fishing reel have begun to appear on the market. The principle of this braking device is that the rotor magnet set on the spool shaft and the stator coil set on the side shell of the fishing reel generate electromagnetic induction when they rotate relative to each other to achieve braking.

[0004] Currently available fishing reels with electromagnetic braking function are divided into two main categories: those with power supply and those without. The main difference between these two types of fishing reels is that the electromagnetic braking fishing reels with power supply have more diverse functions, but these reels are more expensive and require frequent charging. The other type, the electromagnetic braking fishing reel without power supply, has fewer functions but is cheaper. The electromagnetic braking fishing reel without power supply relies on the rotation of the spool during casting to generate an induced current, and then transmits the induced current back to the electromagnetic braking component to achieve electromagnetic braking, thus realizing the electromagnetic braking function even without power supply.

[0005] Chinese patent ZL201910152176.1 discloses: "A braking device for a double-bearing fishing reel. The braking device for the double-bearing fishing reel includes a drum braking section and a drum control section. The drum braking section brakes the drum via electromagnetic induction during the release of fishing line. The drum control section is configured to control the braking force of the drum braking section by switching the current generated by electromagnetic induction on and off in a predetermined first cycle and a second cycle. The drum control section includes a cycle changing section. The cycle changing section changes the first cycle for drum braking to the second cycle for drum braking. Accordingly, the braking force can be stably applied to the drum."

[0006] However, including the solutions described in the aforementioned patents, all existing fishing reels with electromagnetic braking functions on the market have a drawback: before the advent of electromagnetic braking, the braking components inside fishing reels were divided into two types: clutch braking and magnetic braking. The braking force changes of these two braking modes are different, so the tactile feedback obtained by the operator during casting braking is also different. In order to cater to the operator's original usage habits, existing electromagnetic braking fishing reels integrate braking modes on the electronic control board to simulate clutch braking or magnetic braking. However, since the existing electromagnetic braking fishing reels without power supply have relatively simple functions and cannot supply current to the mode element due to the lack of power supply, existing electromagnetic braking fishing reels without power supply only have one built-in braking mode and cannot achieve the switching and adjustment of multiple braking modes. Summary of the Invention

[0007] In order to overcome the shortcomings of existing electromagnetic brake fishing reels without power supply which only have one braking mode and cannot achieve multiple braking mode switching and adjustment, this utility model provides an electromagnetic brake fishing reel without power supply with mode adjustment function.

[0008] The technical solution of this utility model to solve its technical problem is: a power-free electromagnetic brake fishing reel with mode adjustment function, comprising:

[0009] Thread reel housing;

[0010] A spool, which is rotatably mounted on one side of the reel housing;

[0011] An electronic control board is disposed inside the reel housing, and the electronic control board integrates at least one control element;

[0012] The operation key is connected to the control element and is at least partially exposed on the surface of the reel housing;

[0013] An electromagnetic braking assembly includes a magnetic module and an electrical module. The magnetic module is connected to the spool, and the electrical module is disposed in the spool housing and electrically connected to the control board. When the spool rotates, the magnetic module rotates accordingly and generates electromagnetic induction with the electrical module, thereby generating an induced current in the electrical module. Under the control of the control board, the induced current in the electrical module can flow back into the electrical module, generating a magnetic field around the electrical module and acting on the magnetic module, thereby achieving braking of the spool's rotation.

[0014] The electronic control board also integrates a mode element, and the electromagnetic braking assembly has several braking modes under the control of the mode element.

[0015] The operation key is movably disposed relative to the reel housing, and the operation key has at least a gear adjustment position state and a mode adjustment position state;

[0016] When the operation key is in the gear adjustment position, the induced current generated when the spool rotates can be supplied to the power module under the control of the control element, so that the electromagnetic brake assembly can brake the rotation of the spool.

[0017] When the operation key is in the mode adjustment position, the induced current generated when the spool rotates can be supplied to the mode element under the control of the control element, so that the mode element can switch the braking mode of the electromagnetic brake assembly.

[0018] Furthermore, the electromagnetic braking assembly, under the control of the mode element, has at least a clutch-like braking mode and a magnetic braking mode;

[0019] During the braking process, the electromagnetic braking assembly in the simulated clutch braking mode has higher braking force enhancement and reduction efficiency than the electromagnetic braking assembly in the simulated magnetic braking mode.

[0020] Furthermore, the operation key is rotatably disposed relative to the reel housing, and a number of marking patterns are arranged around the operation key on the surface of the reel housing. The operation key is provided with pointer patterns, and the marking patterns include at least gear marking patterns and mode marking patterns.

[0021] When the pointer pattern on the operation key is aligned with the gear position indicator pattern, the operation key is in the gear adjustment position state;

[0022] When the pointer pattern on the operation key is aligned with the mode indicator pattern, the operation key is in the mode adjustment position.

[0023] Furthermore, the gear position marking pattern has several lines, and the several lines of the gear position marking pattern are arranged in an array around the operation key. When the pointer pattern on the operation key is aligned with different gear position marking patterns, the control element can control the current intensity of the power supply module to increase or decrease, thereby increasing or decreasing the peak braking force of the electromagnetic brake assembly.

[0024] Furthermore, the operation key is a knob, and an operation rib is protruding in the middle of the knob, and the pointer pattern is set at one end of the upper side of the operation rib.

[0025] Furthermore, a feedback post is also provided inside the reel housing. The feedback post is located between the reel housing and the operation key. A feedback spring is also provided between the reel housing and the feedback post. Under the action of the feedback spring, the feedback post abuts against the bottom surface of the operation key. The bottom surface of the operation key is also provided with several feedback grooves. The top end of the feedback post can be engaged with the feedback groove. The position of the feedback groove corresponds vertically to the position of the gear marking pattern or mode marking pattern.

[0026] Furthermore, the control element is configured as a potentiometer integrated on the electronic control board, and the control element and the operation key are connected by a transmission rod.

[0027] Furthermore, the electronic control board also integrates a sound-generating element. When the operation key is in the gear adjustment position or the mode adjustment position, the induced current generated by the rotation of the spool can be supplied to the sound-generating element under the control of the electronic control board. When the operation key is in the mode adjustment position, the induced current supplied to the sound-generating element can make it emit a sound to remind that the braking mode switch is complete.

[0028] Furthermore, the reel housing includes a main body and a side cover, the side cover being detachably connected to the main body, and the operation keys, the electronic control board, and the electrical module of the electromagnetic brake assembly are all located inside the side cover.

[0029] Furthermore, the spool is rotatably connected to the reel housing via a rotating shaft, and the magnetic module is driven and sleeved on the rotating shaft. A crank is also rotatably connected to the reel housing, and the crank and the rotating shaft are connected by a transmission assembly to form a transmission connection.

[0030] The mode adjustment and gear adjustment method of this utility model:

[0031] Before using this fishing reel, you can try casting it to feel the braking effect of the electromagnetic brake component on the spool's rotation during casting, thus determining which braking mode the reel is currently in. If the user feels that the current braking mode of the fishing reel does not meet their usage habits, they can rotate the control button to align the pointer pattern on it with the mode indicator pattern on the reel housing, and then cast the fishing reel again. During casting, the spool rotates due to inertia, and the magnetic module connected to the spool rotates relative to the electrical module, causing electromagnetic induction between the two. An induced current is generated in the electrical module, and the induced current in the electrical module flows to the mode element under the control of the control element. The mode element is used to switch the mode of the electromagnetic brake component, from the simulated clutch braking mode to the simulated magnetic braking mode, or vice versa.

[0032] Once the mode is adjusted, the operation key can be rotated so that the pointer pattern on it aligns with the gear indicator pattern on the reel housing. At this time, the induced current generated by the rotation of the spool during casting will be supplied to the power module under the control of the control element. The current flows through the power module, generating a magnetic field around it. This magnetic field interacts with the magnetic field of the magnetic module, thereby braking the rotation of the spool. Moreover, since multiple gear indicator patterns are set on the spool housing, when the pointer pattern on the operation key aligns with different gear indicator patterns, the control element can control different current levels supplied to the power module, thereby changing the peak braking force of the electromagnetic brake assembly.

[0033] The beneficial effects of this utility model are as follows:

[0034] 1. By relying on the control elements and mode elements on the electronic control board, and by adding the position states of the operation keys, when the operation keys are moved to the gear switching position, the control elements can supply the induced current generated by the rotation of the spool during casting to the mode elements to complete the switching of the braking mode of the electromagnetic brake assembly. The instantaneously generated induced current replaces the original power supply function. Under the premise of realizing that this fishing reel has multiple braking modes and can be switched, it will not increase the cost of this fishing reel.

[0035] 2. This fishing reel not only has switchable modes, but when the operation key is aligned with different gear markings, the control element can also control the change in the current intensity supplied to the power module, thereby indicating the change in the braking force generated by the electromagnetic brake assembly, so that this fishing reel can meet various braking needs.

[0036] 3. It also features a feedback structure, with a feedback post and a feedback spring between the reel housing and the operation button, and a feedback groove on the bottom of the operation button. When the operation button is rotated to a certain position, the top of the feedback post will press against the feedback groove under the action of the feedback spring. During this process, the user can receive clear tactile feedback to indicate that the rotation is in place, effectively reducing the difficulty of operating this fishing reel. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the structure of this utility model.

[0038] Figure 2 This is a schematic diagram of the structure of the operation key on this utility model.

[0039] Figure 3 This is a cross-sectional view of the present invention.

[0040] Figure 4 This is a schematic diagram of the side cover of this utility model after disassembly.

[0041] Figure 5 This is a cross-sectional view of the side cover in this utility model.

[0042] Figure 6 This is an exploded view of the side cover in this utility model.

[0043] Figure 7 This is a schematic diagram of the operation key in this utility model.

[0044] Figure 8 This is a schematic diagram of the structure of the electronic control board in this utility model.

[0045] Figure 9 This is a schematic diagram showing the position and state switching of the operation keys in this utility model.

[0046] The diagram shows the following components: 1. Reel housing; 2. Spool; 3. Control board; 4. Control element; 5. Operation key; 6. Magnetic module; 7. Electrical module; 8. Mode element; 9. Pointer pattern; 10. Gear position indicator pattern; 11. Mode indicator pattern; 12. Operation rib; 13. Feedback post; 14. Feedback spring; 15. Feedback groove; 16. Transmission rod; 17. Sound element; 18. Main body; 19. Side cover; 20. Rotating shaft; 21. Crank handle; 22. Transmission assembly; a. Gear position adjustment status; b. Mode adjustment status. Detailed Implementation

[0047] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0048] It should be understood that although the terms upper, middle, lower, top, one end, etc., appear in this document to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for ease of understanding, and are not used to define any directional or sequential restrictions.

[0049] Example

[0050] Combination Figures 1 to 9The diagram illustrates a power-free electromagnetic brake fishing reel with mode adjustment function, comprising a reel housing 1, a spool 2, an electronic control board 3, an operation key 5, and an electromagnetic brake assembly. The spool 2 is rotatably mounted on one side of the reel housing 1. The electronic control board 3 is disposed within the reel housing 1, and at least one control element 4 is integrated on the electronic control board 3. The operation key 5 is connected to the control element 4 and is at least partially exposed on the surface of the reel housing 1. The electromagnetic brake assembly includes a magnetic module 6 and an electrical module 7. The magnetic module 6 is connected to the spool 2, and the electrical module 7 is disposed within the reel housing 1 and electrically connected to the electronic control board 3. When the spool 2 rotates, the magnetic module 6 rotates accordingly, generating electromagnetic induction between it and the electrical module 7. This induces a current within the electrical module 7, which, under the control of the electronic control board 3, flows back into the electrical module 7, thereby... The electric module 7 generates a magnetic field that acts on the magnetic module 6, thereby braking the rotation of the spool 2. The electronic control board 3 also integrates a mode element 8, and the electromagnetic brake assembly has several braking modes under the control of the mode element 8. The operation key 5 is movably disposed relative to the spool housing 1, and the operation key 5 has at least a gear adjustment position a and a mode adjustment position b. When the operation key 5 is in the gear adjustment position a, the induced current generated when the spool 2 rotates can be supplied to the electric module 7 under the control of the control element 4, so that the electromagnetic brake assembly can brake the rotation of the spool 2. When the operation key 5 is in the mode adjustment position b, the induced current generated when the spool 2 rotates can be supplied to the mode element 8 under the control of the control element 4, so that the mode element 8 can switch the braking mode of the electromagnetic brake assembly.

[0051] In this embodiment, the electromagnetic braking assembly, under the control of the mode element 8, has at least a simulated clutch braking mode and a simulated magnetic braking mode; during the braking process, the electromagnetic braking assembly in the simulated clutch braking mode has higher braking force enhancement and reduction efficiency than the electromagnetic braking assembly in the simulated magnetic braking mode.

[0052] Combination Figure 1 , Figure 2 , Figure 6 and Figure 9As shown, in this embodiment, the operation key 5 is rotatably disposed relative to the reel housing 1, and several marking patterns are arranged around the operation key 5 on the surface of the reel housing 1. The operation key 5 is provided with pointer patterns 9, and the marking patterns include at least gear marking patterns 10 and mode marking patterns 11. When the pointer pattern 9 on the operation key 5 is aligned with the gear marking pattern 10, the operation key 5 is in gear adjustment position state a; when the pointer pattern 9 on the operation key 5 is aligned with the mode marking pattern 11, the operation key 5 is in mode adjustment position state b.

[0053] Combination Figure 1 , Figure 2 , Figure 6 and Figure 9 As shown, in this embodiment, the gear position marking pattern 10 has several channels, and the several channels of the gear position marking pattern 10 are arranged in an array around the operation key 5. When the pointer pattern 9 on the operation key 5 is aligned with different gear position marking patterns 10, the control element 4 can control the current intensity of the power supply module 7 to increase or decrease, thereby increasing or decreasing the peak braking force of the electromagnetic brake assembly.

[0054] Combination Figure 1 , Figure 2 , Figure 6 and Figure 9 As shown, in this embodiment, several gear position marking patterns 10 are arranged in an arc shape on the circuit housing. The gear position marking pattern 10 located at one end of the arc is close to the mode marking pattern 11, and the electromagnetic brake component corresponding to the gear position marking pattern 10 at this end has the smallest braking force peak. The gear position marking pattern 10 located at the other end of the arc is far away from the mode marking pattern 11, and the electromagnetic brake component corresponding to the gear position marking pattern 10 at this end has the largest braking force peak.

[0055] Combination Figure 1 , Figure 2 , Figure 6 and Figure 9 As shown, in this embodiment, the operation key 5 is a knob, and an operation rib 12 is protruding in the middle of the knob. The pointer pattern 9 is set at one end of the upper side of the operation rib 12.

[0056] Combination Figure 6 and Figure 7As shown, in this embodiment, a feedback post 13 is also provided inside the reel housing 1. The feedback post 13 is located between the reel housing 1 and the operation key 5. A feedback spring 14 is also provided between the reel housing 1 and the feedback post 13. Under the action of the feedback spring 14, the feedback post 13 abuts against the bottom surface of the operation key 5. The bottom surface of the operation key 5 is also provided with several feedback grooves 15. The top end of the feedback post 13 can be engaged with the feedback groove 15. The position of the feedback groove 15 corresponds vertically to the position of the gear marking pattern 10 or the mode marking pattern 11.

[0057] Among them, such as Figure 7 As shown, in this embodiment, the bottom surface of the operation key 5 is provided with three feedback slots 15. The position of the first feedback slot 15 corresponds vertically to the position of the mode marking pattern 11. The position of the second feedback slot 15 corresponds vertically to the gear marking pattern 10 closest to the mode marking pattern 11. The position of the third feedback slot 15 corresponds vertically to the gear marking pattern 10 furthest from the mode marking pattern 11.

[0058] Combination Figure 5 and Figure 6 As shown, in this embodiment, the control element 4 is configured as a potentiometer integrated on the electronic control board 3, and the control element 4 and the operation key 5 are connected by a transmission rod 16.

[0059] Among them, such as Figure 8 As shown in the figure, the electronic control board 3 in this embodiment also integrates a sound-generating element 17. When the operation key 5 is in the gear adjustment position a or the mode adjustment position b, the induced current generated by the rotation of the spool 2 can be supplied to the sound-generating element 17 under the control of the electronic control board 3. When the operation key 5 is in the mode adjustment position b, the induced current supplied to the sound-generating element can make it sound to remind that the braking mode switching is complete.

[0060] Combination Figure 4 and Figure 7 In this embodiment, the reel housing 1 of the Chow Chow includes a main body 18 and a side cover 19. The side cover 19 is detachably connected to the main body 18. The operation key 5, the electronic control board 3, and the electrical module 7 of the electromagnetic brake assembly are all located inside the side cover 19.

[0061] Combination Figure 3 and Figure 4 As shown, in this embodiment, the spool 2 is rotatably connected to the reel housing 1 via a rotating shaft 20, and the magnetic module 6 is driven and sleeved on the rotating shaft 20. A crank handle 21 is also rotatably connected to the reel housing 1, and the crank handle 21 and the rotating shaft 20 are connected by a transmission component 22.

[0062] The mode adjustment and gear adjustment methods in this embodiment are as follows:

[0063] Before using this fishing reel, you can try casting it. By feeling the braking effect of the electromagnetic brake component on the rotation of the spool 2 during casting, you can determine which braking mode the fishing reel is currently in. If the user feels that the current braking mode of the fishing reel does not meet their usage habits, they can turn the operation key 5 so that the pointer pattern 9 on it is aligned with the mode marking pattern 11 on the reel housing 1. Then, cast the fishing reel again. During the casting process, the spool 2 rotates under the action of inertia. The magnetic module 6 connected to the spool 2 rotates relative to the electric module 7, causing electromagnetic induction between the two. An induced current is generated in the electric module 7, and the induced current in the electric module 7 will flow to the mode element 8 under the control of the control element 4. The mode of the electromagnetic brake component can be switched through the mode element 8, from the simulated clutch braking mode to the simulated magnetic braking mode, or from the simulated magnetic braking mode to the simulated clutch braking mode.

[0064] Once the mode adjustment is complete, the operation key 5 can be rotated so that the pointer pattern 9 on it aligns with the gear position marking pattern 10 on the reel housing 1. At this time, the induced current generated by the rotation of the spool 2 during casting will be supplied to the power module 7 under the control of the control element 4. The current flows through the power module 7, generating a magnetic field around it. This magnetic field interacts with the magnetic field of the magnetic module 6, thereby braking the rotation of the spool 2. Moreover, since the housing of the spool 2 is provided with multiple gear position marking patterns 10, when the pointer pattern 9 on the operation key 5 aligns with different gear position marking patterns 10, the control element 4 can control different amounts of current to be supplied to the power module 7, thereby changing the peak braking force of the electromagnetic brake assembly.

[0065] The advantage of this embodiment is that even if no power source is provided in this electromagnetic brake fishing reel, the mode switching can be completed by the induced current generated by the rotation of the spool during the casting process, relying on the control element and the mode element. This allows the electromagnetic brake fishing reel to have multiple switchable modes without increasing the production cost of the fishing reel.

[0066] The above specific embodiments are merely explanations of the present utility model and are not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to the embodiments without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of the present utility model.

Claims

1. A power-free electromagnetic brake fishing reel with mode adjustment function, comprising: Thread reel housing (1); A spool (2) is rotatably mounted on one side of the reel housing (1); An electronic control board (3) is disposed inside the reel housing (1), and at least one control element (4) is integrated on the electronic control board (3); Operation key (5), which forms a transmission connection with the control element (4) and is at least partially exposed on the surface of the reel housing (1); The electromagnetic braking assembly includes a magnetic module (6) and an electric module (7). The magnetic module (6) is connected to the spool (2) and the electric module (7) is located inside the spool housing (1) and electrically connected to the control board (3). When the spool (2) rotates, the magnetic module (6) rotates accordingly and generates electromagnetic induction with the electric module (7), thereby generating an induced current in the electric module (7). The induced current in the electric module (7) can flow back to the electric module (7) under the control of the control board (3), thereby generating a magnetic field around the electric module (7) and acting on the magnetic module (6), thus achieving braking of the rotation of the spool (2). Its features are: The electronic control board (3) also integrates a mode element (8), and the electromagnetic braking assembly has several braking modes under the control of the mode element (8); The operation key (5) is movably disposed relative to the reel housing (1), and the operation key (5) has at least a gear adjustment position state (a) and a mode adjustment position state (b); When the operation key (5) is in the gear adjustment position (a), the induced current generated when the spool (2) rotates can be supplied to the power module (7) under the control of the control element (4) so ​​that the electromagnetic brake assembly can brake the rotation of the spool (2). When the operation key (5) is in the mode adjustment position (b), the induced current generated when the spool (2) rotates can be supplied to the mode element (8) under the control of the control element (4), so that the mode element (8) switches the braking mode of the electromagnetic brake assembly.

2. The power-free electromagnetic brake fishing reel with mode adjustment function according to claim 1, characterized in that: The electromagnetic braking assembly, under the control of the mode element (8), has at least a clutch-like braking mode and a magnetic braking mode; During the braking process, the electromagnetic braking assembly in the simulated clutch braking mode has higher braking force enhancement and reduction efficiency than the electromagnetic braking assembly in the simulated magnetic braking mode.

3. A power-free electromagnetic brake fishing reel with mode adjustment function according to claim 1, characterized in that: The operation key (5) is rotatably disposed relative to the reel housing (1), and a number of marking patterns are arranged around the operation key (5) on the surface of the reel housing (1). The operation key (5) is provided with pointer patterns (9), and the marking patterns include at least gear marking patterns (10) and mode marking patterns (11). When the pointer pattern (9) on the operation key (5) is aligned with the gear position marking pattern (10), the operation key (5) is in the gear position adjustment state (a); When the pointer pattern (9) on the operation key (5) is aligned with the mode identifier pattern (11), the operation key (5) is in the mode adjustment position state (b).

4. A power-free electromagnetic brake fishing reel with mode adjustment function according to claim 3, characterized in that: The gear position marking pattern (10) has several lines, and the several lines of the gear position marking pattern (10) are arranged in an array around the operation key (5). When the pointer pattern (9) on the operation key (5) is aligned with different gear position marking patterns (10), the control element (4) can control the current intensity of the power supply module (7) to increase or decrease, thereby increasing or decreasing the peak braking force of the electromagnetic brake assembly.

5. A power-free electromagnetic brake fishing reel with mode adjustment function according to claim 3, characterized in that: The operation key (5) is a knob, and an operation rib (12) is protruding in the middle of the knob. The pointer pattern (9) is set at one end of the upper side of the operation rib (12).

6. A power-free electromagnetic brake fishing reel with mode adjustment function according to claim 3, characterized in that: A feedback post (13) is also provided inside the reel housing (1). The feedback post (13) is located between the reel housing (1) and the operation key (5). A feedback spring (14) is also provided between the reel housing (1) and the feedback post (13). The feedback post (13) abuts against the bottom surface of the operation key (5) under the action of the feedback spring (14). The bottom surface of the operation key (5) is also provided with several feedback grooves (15). The top of the feedback post (13) can be engaged with the feedback groove (15). The setting position of the feedback groove (15) corresponds vertically to the setting position of the gear marking pattern (10) or the mode marking pattern (11).

7. A power-free electromagnetic brake fishing reel with mode adjustment function according to claim 1, characterized in that: The control element (4) is configured as a potentiometer integrated on the electronic control board (3), and the control element (4) and the operation key (5) are connected by a transmission rod (16).

8. A power-free electromagnetic brake fishing reel with mode adjustment function according to claim 1, characterized in that: The electronic control board (3) also integrates a sound-generating element (17). When the operation key (5) is in the gear adjustment position (a) or mode adjustment position (b), the induced current generated by the rotation of the spool (2) can be supplied to the sound-generating element (17) under the control of the electronic control board (3). When the operation key (5) is in the mode adjustment position (b), the induced current supplied to the sound-generating element (17) can make it sound to remind that the braking mode has been switched.

9. A power-free electromagnetic brake fishing reel with mode adjustment function according to claim 1, characterized in that: The reel housing (1) includes a main body (18) and a side cover (19). The side cover (19) is detachably connected to the main body (18). The operation key (5), the electronic control board (3), and the electrical module (7) of the electromagnetic brake assembly are all located inside the side cover (19).

10. A power-free electromagnetic brake fishing reel with mode adjustment function according to claim 1, characterized in that: The spool (2) is rotatably connected to the reel housing (1) via a rotating shaft (20), and the magnetic module (6) is driven onto the rotating shaft (20). A crank (21) is also rotatably connected to the reel housing (1), and the crank (21) and the rotating shaft (20) are connected by a transmission assembly (22).

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