Treading nail structure, multifunctional integrated effector and musical instrument using same

Abstract

The utility model discloses a treading nail structure, a multifunctional integrated effector and a musical instrument using the same. The treading nail structure comprises a treading nail suite, an encoder knob cap, an upper treading nail stud, a shell panel, a lower treading nail nut, an encoder with light and a push switch, and a PCB. The encoder knob cap is sleeved outside the treading nail suite, the upper treading nail stud penetrates through the bottom of the treading nail suite and is screwed and fixed with the lower treading nail nut, the shell panel is clamped between the upper treading nail stud and the lower treading nail nut, and the encoder is fixed on the surface of the PCB and forms axial linkage with the encoder knob cap. According to the utility model, through the integrated design, the traditional dispersed encoder, push switch and light indication are integrated into a single treading nail structure, and key technologies such as encoder knob cap light transmission, stud fixation, axial linkage and the like are utilized, so that the panel space is saved to the maximum extent while the operation precision and the feedback intuition are ensured, and the operation efficiency is improved. The problem that a portable effector achieves multifunctional interaction in a limited panel space is solved.

Description

Technical Field

[0001] This utility model relates to the field of musical instrument technology, and in particular to a foot pedal structure, a multi-functional integrated effects pedal, and a musical instrument using the same. Background Technology

[0002] Currently, control panels in stage effects processors, electronic musical instruments, and industrial control equipment generally adopt a discrete functional module design. Effects processors must at least have lighting indicators, push-button switches, and encoders. The lighting indicator system is the core feedback channel for operators to quickly identify the equipment status; through RGB multi-color LEDs and dynamic brightness adjustment technology, it can intuitively display key information about the effects processor. Push-button switches are the core component for user interaction with the effects processor; their trigger travel and force directly affect the operating experience. Short or long presses can trigger functions such as circuit on / off, mode switching, or parameter locking. Encoders achieve fine-tuning of parameters (such as reverberation intensity and delay time) through rotation; their accuracy directly affects sound quality.

[0003] Traditional pedal assembly typically consists of three independent systems: a push-button switch, status indicator lights, and an encoder. This architecture has significant drawbacks: each functional module requires a separate mounting location and wiring path, resulting in low space utilization of the control panel. Furthermore, users need to separately observe the indicator light status, perform the pedaling action, and rotate the encoder, leading to a distraction. Although there have been attempts in existing technologies to integrate two of these functions (such as encoder knobs with indicator lights), the bottleneck of three-dimensional spatial collaborative design has yet to be overcome. Utility Model Content

[0004] The embodiments of this utility model provide a foot pedal structure, a multi-functional integrated effects pedal, and an instrument using the same, which solves the technical problem in traditional effects pedals where the encoder cannot be integrated with the light indicator and push switch, thus preventing the maximum utilization of the panel operation space of the effects pedal.

[0005] To address the aforementioned problems, according to one aspect of this application, an embodiment of the present invention provides a stepping structure, the stepping structure comprising a stepping kit, an encoder knob cap, an upper stepping stud, a housing panel, a lower stepping nut, an encoder with a light and a push-button switch, and a PCB board; the encoder knob cap is sleeved on the outside of the stepping kit, the upper stepping stud passes through the bottom of the stepping kit and is tightened and fixed with the lower stepping nut, the housing panel is sandwiched between the upper stepping stud and the lower stepping nut, and the encoder is fixed to the surface of the PCB board and forms an axial linkage with the encoder knob cap.

[0006] In some embodiments, the encoder knob cap is made of a light-transmitting material and has a snap-fit ​​part at the bottom that mates with the encoder shaft.

[0007] In some embodiments, the surface of the encoder knob cap is provided with anti-slip stripes.

[0008] In some embodiments, the stepper assembly includes a housing and a return spring, the inner wall of the housing is provided with a guide groove, and the return spring is located in the guide groove and has an upward return force.

[0009] In some embodiments, the encoder integrates a light module with the light-emitting surface of the light module facing the encoder knob cap. The encoder has a push switch inside, which triggers a switch signal inside the encoder by pressing down the stepper assembly, so that the encoder light is displayed through the encoder knob cap.

[0010] In some embodiments, the PCB board integrates a rotary encoder detection circuit and a pressure detection circuit. The rotary encoder detection circuit is electrically connected to the rotational action of the encoder knob, and the pressure detection circuit forms a signal path with the push switch.

[0011] In some embodiments, the shell panel has mounting holes with a diameter larger than the outer diameter of the upper step stud, allowing the shell panel to move up and down.

[0012] According to another aspect of this application, an embodiment of the present invention provides a multi-functional integrated effects unit, the multi-functional integrated effects unit including the above-described footpeg structure.

[0013] According to another aspect of this application, an embodiment of the present invention provides a musical instrument that includes the aforementioned multi-functional integrated effects pedal.

[0014] Compared with the prior art, the step-on structure of this utility model has at least the following beneficial effects:

[0015] The stepper structure provided by this utility model includes a stepper kit, an encoder knob cap, an upper stepper stud, a housing panel, a lower stepper nut, an encoder with a light and a push-button switch, and a PCB board. The encoder knob cap is sleeved on the outside of the stepper kit. The upper stepper stud passes through the bottom of the stepper kit and is tightened and fixed with the lower stepper nut. The housing panel is sandwiched between the upper stepper stud and the lower stepper nut. The encoder is fixed to the surface of the PCB board and forms an axial linkage with the encoder knob cap.

[0016] The footstool structure provided by this utility model has the function of space integration and optimization. Specifically, in traditional effects pedals, the encoder, push-button switch, and light indicator each occupy a separate panel space. However, this embodiment integrates the functions of these three components into a single footstool structure, reducing the space occupied on the panel. In other words, this embodiment integrates the traditionally scattered encoder, push-button switch, and light indicator into a single footstool structure through an integrated design. By utilizing key technologies such as encoder knob cap light transmission, stud fixing, and axial linkage, it maximizes the saving of panel space while ensuring operational accuracy and intuitive feedback, thus solving the problem of achieving multi-functional interaction in a limited panel space for portable effects pedals.

[0017] The multi-functional integrated effects pedal provided by this utility model is designed based on the above-mentioned foot pedal structure. Its beneficial effects are the same as those of the above-mentioned foot pedal structure, and will not be repeated here.

[0018] The musical instrument provided by this utility model is designed based on the above-mentioned multi-functional integrated effects pedal. Its beneficial effects are the same as those of the above-mentioned multi-functional integrated effects pedal, and will not be repeated here.

[0019] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This illustration shows a structural diagram of a step-nailing structure provided by an embodiment of the present invention;

[0022] Figure 2 This invention provides a schematic diagram of a step-on structure from another angle, illustrating an embodiment of the present invention.

[0023] Figure 3 An exploded view of a step-pin structure provided by an embodiment of this utility model is shown;

[0024] Figure 4 This illustration shows a schematic diagram of the structure of a stepper mechanism provided by an embodiment of the present invention, in which the stepper kit and the encoder knob cap are fitted together.

[0025] Figure 5This invention provides a schematic diagram illustrating the structure of a stepper assembly, encoder knob cap, and upper stepper stud in a stepper structure according to an embodiment of the present invention.

[0026] Figure 6 This invention provides a schematic diagram illustrating the structure of a stepper assembly, encoder knob cap, upper stepper stud, and housing panel after assembly in a stepper structure according to an embodiment of the present invention.

[0027] Figure 7 This invention provides a schematic diagram illustrating the structure of a stepper assembly, encoder knob cap, upper stepper stud, housing panel, and lower stepper nut in a stepper structure according to an embodiment of the present invention.

[0028] Figure label:

[0029] 1. Stepper assembly; 11. Housing; 12. Reset spring; 2. Encoder knob cap; 21. Pattern; 3. Upper stepper stud; 4. Housing panel; 41. Mounting hole; 5. Lower stepper nut; 6. Encoder; 7. PCB board. Detailed Implementation

[0030] To further illustrate the technical means and effects adopted by this utility model to achieve its intended purpose, the specific implementation methods, structures, features, and effects according to this utility model application are described in detail below with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0031] In the description of this utility model, it should be clarified that the terms "first," "second," etc., in the specification, claims, and drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence; the terms "vertical," "lateral," "longitudinal," "front," "back," "left," "right," "up," "down," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility model, and do not mean that the device or element referred to must have a specific orientation or position, and therefore should not be construed as a limitation of this utility model.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0034] Example 1

[0035] This embodiment provides a step-on structure, such as Figures 1-7 As shown, the stepping structure includes a stepping kit 1, an encoder knob cap 2, an upper stepping stud 3, a housing panel 4, a lower stepping nut 5, an encoder 6 with a light and a push-button switch, and a PCB board 7. The encoder knob cap 2 is sleeved on the outside of the stepping kit 1. The upper stepping stud 3 passes through the bottom of the stepping kit 1 and is tightened and fixed with the lower stepping nut 5. The housing panel 4 is sandwiched between the upper stepping stud 3 and the lower stepping nut 5. The encoder 6 is fixed to the surface of the PCB board 7 and forms an axial linkage with the encoder knob cap 2.

[0036] The foot pedal assembly 1, as a user-operated component, serves as the trigger for pressing and may also transmit pressure to the encoder 6's switch via mechanical linkage. An encoder knob cap 2 is fitted over it, and the bottom is secured to the encoder via an upper foot pedal stud 3 and a lower foot pedal nut 5, forming a stable support structure. The encoder knob cap 2 integrates rotation operation and light transmission functions. When the user rotates it, it drives the encoder to adjust parameters. The semi-transparent material allows internal light to penetrate and display the status. It is fitted over the foot pedal assembly 1 and is linked to the rotation shaft of the encoder 6, which has a light and a press switch. The upper foot pedal stud 3 and the lower foot pedal nut 5 are threaded together to secure the foot pedal structure and provide mechanical support during pressing. The upper foot pedal stud 3 passes through the bottom of the foot pedal assembly 1, and the lower foot pedal nut 5, when tightened, clamps the shell panel 4, forming a rigid fixation. The shell panel 4, as the main panel of the effects unit, supports the installation of the foot pedal structure and ensures operational stability. It is sandwiched between the upper foot pedal stud 3 and the lower foot pedal nut 5, becoming the core layer of structural support.

[0037] The encoder 6, equipped with lights and a push-button switch, integrates three main functions: rotary encoding, enabling fine parameter adjustment through the rotation of the encoder knob cap 2; the push-button switch, triggering circuit switching or mode changing via the pressure of the stepper assembly 1; and light indication: a built-in light source that displays the status through the light emitted from the encoder knob cap 2. The encoder 6 is fixed to the PCB board 7, its rotation axis linked to the encoder knob cap 2, and its push-button contact mechanically contacts the stepper assembly 1. The PCB board 7, serving as the substrate for the electronic system, carries the encoder 6 and its circuitry, enabling signal processing and light control. It is located inside the housing panel 4, with the encoder 6 mounted on its surface, forming an axial linkage with the external encoder knob cap 2.

[0038] The footstool structure provided in this embodiment has the function of space integration and optimization. Specifically, in traditional effects pedals, the encoder, push-button switch, and light indicator each occupy a separate panel space. However, this embodiment integrates the functions of these three components into a single footstool structure, reducing the space occupied on the panel. In other words, this embodiment integrates the traditionally scattered encoder, push-button switch, and light indicator into a single footstool structure through an integrated design. By utilizing key technologies such as the encoder knob cap 2 for light transmission, stud fixing, and axial linkage, it maximizes the saving of panel space while ensuring operational accuracy and intuitive feedback, thus solving the problem of achieving multi-functional interaction in a portable effects pedal within a limited panel space.

[0039] In a specific embodiment, the encoder knob cap 2 is made of a light-transmitting material, and the bottom is provided with a snap-fit ​​part that cooperates with the shaft core of the encoder 6.

[0040] The encoder knob cap 2 is made of a light-transmitting material, its core purpose being to achieve the light indication function. Through its light-transmitting properties, the light source integrated inside the encoder can penetrate the surface of the encoder knob cap 2, forming an intuitive status display. Common light-transmitting materials can be selected, such as polycarbonate, acrylic, or semi-transparent ABS. The top surface of the encoder knob cap 2 can have a microstructure design, the core function of which is to optimize the light propagation path. Specifically, this includes uniformly scattering light; through prism-like, dot-matrix, or grid-like textures, the straight-line propagation of light is broken, ensuring that the light emitted by the LED light source is evenly distributed on the knob surface, avoiding light spots or uneven brightness.

[0041] The bottom of the encoder knob cap 2 is provided with a snap-fit ​​part that cooperates with the shaft of the encoder 6. Through the snap-fit ​​part and the shaft of the encoder 6, the user's rotation of the knob cap is accurately transmitted to the encoder to realize the parameter adjustment function. It can also ensure that the encoder knob cap 2 will not detach from the shaft of the encoder 6 during frequent rotation operations, thus maintaining long-term stability.

[0042] Additionally, a pattern 21 can be provided on the top of the encoder knob cap to display the desired light shape. For example, a layer of black paint can be applied to the top of the encoder knob cap 2, and then part of the black paint can be wiped off according to the shape of the desired pattern 21. The wiped-off part is exactly the desired pattern 21.

[0043] Through the coordinated design of the light-transmitting material, the pattern 21, and the snap-fit ​​part, the encoder knob cap 2 achieves three functions in one, integrating rotation adjustment, pressing operation, and light feedback into a single component, saving panel space.

[0044] In a specific embodiment, the surface of the encoder knob cap 2 is provided with anti-slip stripes.

[0045] Effects pedals are commonly used in stage performances and rehearsals, where users may operate them in dimly lit environments or during urgent adjustments. Fingers / feet are prone to sweating or slipping. The anti-slip stripes in this embodiment ensure users can quickly and accurately complete rotation or pressing operations, preventing incorrect parameter adjustments or accidental function triggering due to slippage. Specifically, the anti-slip stripes disrupt smooth surfaces through surface microstructures, increasing friction between fingers / feet and the knobs. Furthermore, the anti-slip stripes create tactile differences, helping users quickly locate the knob direction or pressing position when operating blindly. More specifically, the anti-slip stripes can be horizontal and / or vertical grooves, dotted raised arrays, or wavy patterns.

[0046] In a specific embodiment, the foot pedal assembly 1 includes a housing 11 and a return spring 12. The inner wall of the housing 11 is provided with a guide groove, and the return spring 12 is located within the guide groove and has an upward restoring force. In this embodiment, the housing 11 serves as the main frame of the foot pedal assembly, providing rigid support for the internal return spring 12. The guide groove on the inner wall of the housing 11 defines the movement trajectory of the foot pedal assembly, ensuring that it moves only vertically during pressing, avoiding deviation or tilting, and guaranteeing the stability and accuracy of the action. The return spring 12 stores elastic potential energy through its own compression deformation. After the user releases pressure, the spring releases energy, driving the foot pedal assembly back to its initial position, achieving automatic reset.

[0047] After the housing 11 and the return spring 12 are engaged, during the pressing phase, the user applies a vertically downward force to the stepper assembly 1, and the housing 11 slides downward. At this time, the return spring 12 is compressed and stores elastic potential energy. At the same time, the pressure is transmitted through the housing 11 to the push switch contact of the encoder 6, triggering the corresponding function. During the reset phase, after the user releases the pressure, the elastic potential energy of the return spring 12 is converted into an upward thrust, pushing the housing 11 back to the initial position along the guide groove. The constraint of the guide groove ensures that there is no lateral displacement during the reset process, ensuring that the stepper assembly 1 and the encoder knob cap 2 are axially aligned and avoiding jamming.

[0048] In a specific embodiment, the encoder 6 integrates a lighting module. The light-emitting surface of the lighting module faces the encoder knob cap 2. The encoder 6 has a push-button switch. The push-button switch triggers a switching signal inside the encoder 6 through the pressing action of the stepper assembly 1, causing the light from the encoder 6 to be displayed through the encoder knob cap 2. The lighting module is a combination of LEDs or multi-color LEDs, and can display various colors and dynamic effects (such as constant light, breathing, flashing), intuitively reflecting the working status of the effect unit. For example, red indicates that the parameter is locked or the effect is off, blue indicates that the delay effect is active, and gradient colors indicate dynamic changes during parameter adjustment. The lighting module is directly integrated inside the encoder 6, eliminating the need for additional independent indicator lights and saving panel space.

[0049] Pressure is transmitted sequentially through the outer shell 11, the reset spring 12, and the push switch. The light path is transmitted sequentially through the surface of the light module and the encoder knob cap 2, seamlessly connecting user operation, function triggering, and status feedback. This achieves efficient multi-functional interaction within a limited panel space, while ensuring operational accuracy and reliability in complex environments such as stages.

[0050] In a specific embodiment, the PCB board 7 integrates a rotary encoder detection circuit and a pressure detection circuit. The rotary encoder detection circuit is electrically connected to the rotational movement of the encoder knob 2, and the pressure detection circuit forms a signal path with the push-button switch. The rotary encoder detection circuit captures the rotational movement of the encoder knob 2, analyzes its rotation direction (clockwise / counterclockwise) and step size (rotation angle or pulse count), and uses this information for fine parameter adjustment (such as increasing or decreasing reverberation intensity). The pressure detection circuit converts the on / off state of the push-button switch inside the encoder 6 into an electrical signal, identifying short press, long press, or no operation state, and uses this information to trigger functions (such as power on / off, mode switching).

[0051] In a specific embodiment, the shell panel 4 has a mounting hole 41, the diameter of which is larger than the outer diameter of the upper step stud 3, so that the shell panel 4 can move up and down.

[0052] The diameter of the mounting hole 41 is larger than the outer diameter of the upper step stud 3, creating an annular gap between the mounting hole 41 and the upper step stud 3. This gap allows the step assembly 1 to make limited displacement in the vertical direction. When the user presses the encoder knob cap 2, the housing 11 compresses the return spring 12 through the guide groove. At this time, the housing panel 4 moves downward within the gap of the mounting hole 41, triggering the push switch inside the encoder 6. After release, the return spring 12 pushes the structure to reset. During this process, the diameter difference of the mounting hole 41 provides the necessary physical space for mechanical movement.

[0053] The assembly process of the step-on structure provided in this embodiment is as follows:

[0054] The encoder 6, equipped with a light module and a push-button switch, is fixed onto the PCB board 7, ensuring that its shaft is perpendicular to the PCB board surface and that the light-emitting surface of the light module faces the mounting direction of the encoder knob cap 2. The upper step screw 3 is inserted into the mounting hole 41 of the housing panel 4. Since the diameter of the mounting hole is larger than the outer diameter of the screw, the screw can pass through freely but will not be completely fixed. At this time, the housing panel 4 is in an unpressed state, retaining vertical movement space. The snap-fit ​​part of the encoder knob cap 2 is aligned with the shaft of the encoder 6, and axial linkage is achieved through a snap or interference fit. The outer shell 11 of the step screw assembly 1 is fitted over the encoder knob cap 2, and the return spring 12 is installed in the guide groove, ensuring that the spring provides upward return force. The lower step nut 5 is tightened from the bottom of the housing panel 4 to the upper step screw 3, so that the housing panel 4 is clamped between the upper step screw 3 and the lower step nut 5. The tightness of the nut is adjusted to ensure that the panel can move up and down without wobbling. At this time, the return spring 12 of the stepper assembly 1 is in a pre-compressed state, providing initial rebound force.

[0055] By integrating the encoder 6, push switch, and lighting module into the same axial space, the following functions are achieved:

[0056] First, rotation adjustment: The rotation action of the encoder knob cap 2 is transmitted to the shaft of the encoder 6, triggering the rotation encoding detection circuit; specifically, a pulse signal is generated through the internal mechanical structure (such as photoelectric or mechanical contacts), and the microcontroller decodes the signal to determine the rotation direction and number of steps.

[0057] Second, pressing operation: the stepper assembly 1 presses down to drive the shell panel 4 to move vertically, triggering the pressing switch inside the encoder 6; specifically, the pressing operation is achieved through internal springs and contacts, and the switch signal is triggered when pressed.

[0058] Third, light feedback: the light from the light module is evenly diffused through the pattern 21 of the encoder knob cap 2 to display the device status (such as parameter lock, mode switching).

[0059] The working process of the step-on structure provided in this embodiment is as follows:

[0060] When the user steps on the encoder knob cap 2, the stepper assembly 1 moves downward against the elastic force of the return spring 12 under external force. The pressure is transmitted to the push switch of the encoder 6 through the displacement of the housing panel 4. When the pressure reaches the threshold, the push switch inside the encoder 6 closes, and the pressure detection circuit on the PCB board 7 generates a signal (such as short press to switch modes, long press to lock parameters). After the pressure is released, the return spring 12 pushes the stepper assembly 1 back, the housing panel 4 resets, and the encoder knob cap 2 returns to its initial height.

[0061] When the user rotates the encoder knob cap 2, its bottom locking part drives the shaft of the encoder 6 to rotate synchronously. The rotation encoding detection circuit inside the encoder 6 converts the rotation angle into a pulse signal, and the PCB board 7 analyzes the signal and adjusts the sound effect parameters. The light module of the encoder 6 dynamically changes its color or brightness according to the current parameter status (such as numerical range and mode), and the light shines through the pattern 21 to provide visual feedback.

[0062] The step-on structure provided in this embodiment integrates rotary coding, push-button switch and light indication into a single operating unit by reusing axial space, which solves the problem of functional modules occupying panel space in traditional solutions.

[0063] Example 2

[0064] This embodiment provides a multi-functional integrated effects unit, which includes the footpeg structure described in Embodiment 1.

[0065] The multi-functional integrated effects processor, adopting the footstool structure of Example 1, addresses the functional dispersion problem of traditional solutions by focusing on space reuse. Simultaneously, through coordinated mechanical, electronic, and optical design, it achieves a comprehensive improvement in operational efficiency, reliability, and user experience. This design is particularly suitable for scenarios with extremely high requirements for equipment compactness and real-time operation, such as stage performances and recording studios, providing a scalable technical foundation for future functional innovations in effects processors.

[0066] Example 3

[0067] This embodiment provides a musical instrument, which includes the multi-functional integrated effects processor described in Embodiment 2. This instrument can be a guitar, electronic drums, or any other instrument that requires effects.

[0068] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A stepping nail structure, characterized in that, The stepping structure includes a stepping kit, an encoder knob cap, an upper stepping stud, a housing panel, a lower stepping nut, an encoder with a light and a push-button switch, and a PCB board. The encoder knob cap is fitted onto the outside of the stepping kit. The upper stepping stud passes through the bottom of the stepping kit and is tightened and fixed with the lower stepping nut. The housing panel is sandwiched between the upper stepping stud and the lower stepping nut. The encoder is fixed to the surface of the PCB board and forms an axial linkage with the encoder knob cap.

2. The stepping nail structure according to claim 1, characterized in that, The encoder knob cap is made of a light-transmitting material, and its bottom has a snap-fit ​​part that mates with the encoder shaft.

3. The stepping nail structure according to claim 2, characterized in that, The encoder knob cap has anti-slip stripes on its surface.

4. The stepping nail structure according to claim 1, characterized in that, The stepper assembly includes a housing and a return spring. The inner wall of the housing is provided with a guide groove, and the return spring is located in the guide groove and has an upward return force.

5. The stepping nail structure according to claim 2, characterized in that, The encoder integrates a light module, the light-emitting surface of which faces the encoder knob cap. The encoder has a push switch inside, which triggers a switch signal inside the encoder by pressing down the step pin assembly, so that the encoder light is displayed through the encoder knob cap.

6. The stepping nail structure according to claim 5, characterized in that, The PCB board integrates a rotary encoder detection circuit and a pressure detection circuit. The rotary encoder detection circuit is electrically connected to the rotation action of the encoder knob, and the pressure detection circuit forms a signal path with the push switch.

7. The stepping nail structure according to claim 1, characterized in that, The shell panel has mounting holes with a diameter larger than the outer diameter of the upper step stud, allowing the shell panel to move up and down.

8. A multi-functional integrated effects processor, characterized in that, The multi-functional integrated effects unit includes the foot pedal structure as described in any one of claims 1-7.

9. A musical instrument, characterized in that, The instrument includes the multi-functional integrated effects unit as described in claim 8.

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