A variable direction nail sander, a variable direction control method for nail sanding and a medium

Abstract

The present application relates to the technical field of nail polishers, and particularly relates to a nail polishing direction changing control method, a computer readable storage medium and a nail polisher with variable polishing direction. The nail polisher with variable polishing direction has a variable direction switch and a rotating speed control component arranged separately, each target direction of the variable direction switch corresponds to a rotating speed control component, the switching operation of the variable direction switch is inconsistent with the speed adjusting operation of the rotating speed control component, so that the polishing direction is not switched by mistake when the speed is adjusted. Furthermore, the nail polishing direction changing control method applied to the nail polisher with variable polishing direction is used to determine whether a speed adjusting instruction opposite to the current or the last speed direction is identified within a short time T after a switching direction instruction is identified. If the result is yes, the speed adjusting instruction is executed. Even if the polishing direction is switched by mistake when the speed is adjusted, the polishing head will not rotate reversely, so the nail surface will not be polished reversely.

Description

Technical Field

[0001] This invention relates to the field of nail filing machine technology, and in particular to a directional control method for nail filing, a computer-readable storage medium, and a directional nail filing machine. Background Technology

[0002] A nail file is an electric nail tool that uses a motor to drive a filing head to perform various filing functions, including filing the nail surface, trimming nails, and removing nail glue. Nail files only require gentle filing of the nail surface. Compared to makeup remover or makeup remover packs, there's no need to use these chemical-containing nail remover products beforehand, eliminating concerns about damage to the nails and making it very safe. Using a nail file mechanizes the process of manually filing nails. Whether it's regular gel polish or gel extension, what used to take thirty minutes to remove can now be done quickly and thoroughly in just a few minutes using a nail file.

[0003] The internal motor of the nail filer rotates from 0 to 30,000 revolutions per second. A variable resistor circuit design enables stepless speed regulation, and the filing direction can be switched by controlling the motor's forward and reverse rotation. To use the nail filer, the user first selects the filing direction and speed, then starts the motor to drive the filing head. The user holds the nail filer and places the filing head on the nail surface. Then, the user moves the nail filer so that the filing head smoothly moves from one side of the nail surface to the other to file the nail surface. This repeated operation allows for rapid filing. However, as described in patent document CN217065622U, "Nail Filer with LED Light and Reversible Rotation," the forward and reverse rotation of its motor is controlled by a toggle switch. "In the stationary state, the toggle switch is in the center of the slide, and the gearbox is not energized. When the toggle switch is moved downwards, the motor is energized, causing the rotating head to rotate forward… moving the toggle switch downwards again increases the forward rotation speed of the rotating head. When the toggle switch is moved upwards from the center position, the motor is energized in the reverse direction, causing the rotating head to rotate in reverse." If the user intends to move the toggle switch downwards again to increase the forward rotation speed, but mistakenly moves it upwards, causing the toggle switch to rotate upwards from the center position, the originally forward-rotating head will reverse against the user's intention. Existing nail filers may accidentally switch the grinding direction due to operational errors during speed adjustment, resulting in scratches on the already smoothed nail surface. Summary of the Invention

[0004] This invention provides a directional nail filer that can prevent nails from being scratched due to accidental switching of the filing direction when adjusting the speed.

[0005] A reversible nail file is provided, comprising a motor, a rotating mounting component, and a controller. The motor is electrically connected to the controller to rotate forward or reverse according to the output signal of the controller. The rotating mounting component is mounted on the motor shaft and rotates forward or reverse under the drive of the motor, causing the file head mounted thereon to rotate forward or reverse accordingly. The device also includes a reversible switch with multiple target directions and multiple speed control components corresponding to each target direction. The reversible switch and the speed control components are electrically connected to the controller. The reversible switch is selectively connected to one of the speed control components for each target direction. "Connection" means that the reversible switch is currently or after a switching operation electrically connected to the speed control component corresponding to the target direction, so that the controller controls the motor to rotate forward or reverse.

[0006] The speed control component is a sliding speed regulator, including a slide groove and a slide knob. The controller is used to output a speed control signal to the motor according to the distance the slide knob of each sliding speed regulator moves in the slide groove.

[0007] The switching operation of the reversing switch is inconsistent with the speed regulation operation of the speed control component.

[0008] The reversing switch also serves as the slider, and each slide has one end close to each other so that the reversing switch, which also serves as the slider, can continuously move from the current slide to the slide corresponding to the target direction of the selected conduction.

[0009] The reversing switch is a rotary switch. When the rotary switch is rotated to the current slide position, the sliding speed regulating component is electrically connected to the controller.

[0010] The reversing switch consists of multiple push-button switches corresponding to each slide groove. When the push-button switch corresponding to the current slide groove is open, the sliding speed regulating component is electrically connected to the controller.

[0011] The slide is a single groove, and the push-button switch is a double-ended switch.

[0012] The motor and speed control component are electrically connected via a power cord. An insulated low-stress elbow is provided at the connection point. The wide side of the low-stress elbow is hollow to accommodate the controller. The power cord enters the controller from the narrow side, which is located inside the hollow part. The controller is also connected to an electrical terminal, which extends from the wide side end face to electrically connect to the motor.

[0013] This also includes a grinding head for mounting onto the grinding head mounting component.

[0014] A method for controlling the direction of nail filing applied to the above-mentioned reversible nail filer is also provided. After the direction switching command is detected, it is first determined whether a speed adjustment command opposite to the current or most recent rotation speed direction is detected within a short period of time T. If the determination result is yes, the speed adjustment command is executed.

[0015] A computer-readable storage medium is also provided, which stores a computer program that, when executed by a processor, enables the aforementioned method for directional control of nail filing.

[0016] Beneficial effects: This directional nail filer separates the direction switching switch and the speed control component. Each target direction of the direction switching switch corresponds to multiple speed control components. When the user needs to change the filing direction, they adjust the direction switching switch and then adjust the speed through the speed control components. Furthermore, the switching operation of the direction switching switch and the speed adjustment operation of the speed control components are inconsistent, thus avoiding accidental switching of the filing direction during speed adjustment. Moreover, through the directional control method applied to the nail filing of the above-mentioned directional nail filer, after recognizing the direction switching command, it first determines whether a speed adjustment command opposite to the current or most recent speed direction is recognized within a short period of time T. If the judgment result is yes, the speed adjustment command is executed. Even if the filing direction is accidentally switched during speed adjustment without executing the corresponding speed adjustment command, the filing head will not rotate in the opposite direction, thus preventing reverse abrasion of the nail surface. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0018] Figure 1 This is a structural diagram of a directional nail file.

[0019] Figure 2 This is a diagram showing the rotary switch of a directional nail file in the off position.

[0020] Figure 3 This is a diagram showing the rotary switch of a directional nail file in the forward acceleration state.

[0021] Figure 4 This is a diagram showing the rotary switch of a directional nail file in the backward acceleration state.

[0022] Figure 5 This is a schematic diagram of the external structure of another embodiment of the switch for a directional nail filer.

[0023] Figure 6 This is a schematic diagram of the sliding groove and sliding knob structure of a directional nail file.

[0024] Figure 7 yes Figure 5 A schematic diagram of the sliding groove and sliding knob mechanism of a directional nail file.

[0025] Figure 8 This is an exploded view of a directional nail file.

[0026] Figure 9 This is a schematic diagram of the motor end structure of a directional nail file.

[0027] Figure 10 This is a schematic diagram of the low-stress elbow wide end structure of a directional nail file.

[0028] Figure 11 This is a schematic diagram of another slide groove-slide knob combination structure of a directional nail file.

[0029] Figure 12 yes Figure 11 Circuit diagram corresponding to the slide groove-slide knob mating structure of the directional nail file. Detailed Implementation

[0030] To enable those skilled in the art to better understand the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Example 1

[0032] like Figure 1 This embodiment of the directional nail file includes a housing 1, a filing head 2 mounted on the head of the housing 1, a switch 3, and a power socket 5. A motor is installed inside the housing 1, and the motor shaft is coaxial with the filing head 2, which is mounted thereon via a rotating mounting component. The switch 3 includes a directional switching switch and a speed control component. The switch 3 contains a control chip and corresponding control circuitry, which function as a controller. The directional switching switch has multiple target directions and multiple speed control components corresponding to each target direction. The directional switching switch is selectively connected to one of the speed control components for each target direction. The directional switching switch and the speed control components are electrically connected to the control chip. "Connected" means that the speed control component for the target direction currently connected by the directional switching switch is electrically connected to the control chip, thereby adjusting the rotation direction of the motor and the filing head. When the user adjusts the speed control component corresponding to the current directional switching switch, the motor speed is adjusted, thus adjusting the rotation speed of the filing head 2.

[0033] See Figure 1The speed control component is a sliding speed regulator, including a slide groove 31 and a slide button 4. The slide button 4 also serves as a direction-changing switch for the on / off device. See Figure 11 The slider 4 specifically includes an actuating element 41 and a sliding element 42. The upper part of the sliding element 42 is fitted below the actuating element 41 for movement by the actuating element 41. The lower part of the sliding element 42 passes through the slide groove 31 and is engaged in a mounting position 43 with a corresponding slot. The mounting position 43 has a terminal block for electrical connection to the control circuit on the circuit board 44. The lower part of the sliding element 42 is electrically connected to this terminal block, thereby electrically connecting to the potentiometer of the control circuit, so that the resistance value of the potentiometer connected to the control circuit changes when the sliding element 42 moves with the actuating element 41. The implementation of this control circuit is described in [link to implementation details]. Figure 12 The potentiometer is a sliding rheostat R1. The two ends of the sliding rheostat R1 are connected to the control chip through diodes D1 and D2 respectively. When the sliding rheostat R1 slides from the side near diode D1 to the middle position and then to the side near diode D2, the speed control signal output by the control chip to the motor changes as follows: rapid left turn → left turn and speed gradually decreases → stop → right turn and speed gradually increases → rapid right turn.

[0034] Furthermore, see Figure 2 The reversing switch is a rotary switch, which also functions as a slider 4. The slide is a single slot with two slides 31, left and right. The middle position is the switching position for the reversing switch. The left and right sides of slide 31 are used for forward and reverse rotation, respectively. The two slides are brought close together at the middle switching position so that the reversing switch (which also functions as slider 4) moves to the slide corresponding to the selected conduction position. The control chip is electrically connected to the sliding speed regulator installed in the slide 31 of the switch 3 and the reversing switch 4 installed in the middle of the slide 31. When the rotary switch is rotated to the current slide position, the sliding speed regulator is electrically connected to the controller. The controller outputs a speed control signal to the motor according to the distance the slider 4 moves in the slide 31. The switching operation of the reversing switch is inconsistent with the speed control operation of the speed control component. The slider 4, acting as the reversing switch, rotates at the middle switching position to electrically connect or disconnect the controller to the left / right slide 31.

[0035] See Figure 6The control chip is electrically connected to the terminal 32 installed in the slide groove 31 of the switch 3 via a power line. Terminal 32 is the output interface of the linear sliding potentiometer 41. The slider 4 serves as both the slider and switch of the linear sliding potentiometer 41. Different switching states of the slider 4 output signals to the control chip at terminal 32, causing the motor to rotate forward and reverse (driving the motor to rotate forward and reverse by changing the switch state is implemented using existing technology, which will not be elaborated here). This reversible nail file separates the reversible switch and the speed control components, but they share the slider 4. Existing technology may result in accidental switching of the filing direction during speed adjustment. This embodiment further associates each target direction of the reversible switch with multiple speed control components. When using the reversible nail file, the user will... Figure 2 Rotate the 4th slider in the off position 90 degrees clockwise. Figure 3 The direction of the grinding is adjusted by sliding the slider 4 to the right. The further the slider 4 is from the center switching position, the faster the speed. When the user needs to switch the grinding direction, slide the slider 4 to the center switching position and adjust the direction switching switch. Figure 3 Rotate the right-facing slider 4 clockwise / counterclockwise 180 degrees to... Figure 4 The direction of grinding is determined, and then the speed is adjusted by the speed control component. Since the switching operation (rotation) of the direction change switch and the speed adjustment operation (linear sliding) of the speed control component are inconsistent, this avoids accidental switching of the grinding direction during speed adjustment.

[0036] Furthermore, the nail filing direction control method of this embodiment is applied to the above-mentioned direction-changing nail file. After recognizing the direction switching command, it first determines whether a speed adjustment command opposite to the current or most recent rotation speed direction is recognized within a short period of time T. If the judgment result is yes, the speed adjustment command is executed. Even if the filing direction is accidentally switched during speed adjustment and the corresponding speed adjustment command is not executed, the filing head will not rotate in the opposite direction, so it will not scratch the nail surface in the opposite direction.

[0037] See Figure 8 The housing 1 also includes a rotating clamping member 11, a pressure plate 12, a gap 13, a locking member 14, and a rotating mounting member 15. The motor 6 is electrically connected to a controller, thus rotating forward or backward according to the controller's output signal. The rotating mounting member 15 is mounted on the shaft of the motor 6, rotating under the motor's drive to rotate the grinding head 2 mounted thereon. The locking member 14 is fitted around the outer circumference of the rotating mounting member 15 and engages within the gap 13 of the pressure plate 12. The rotating clamping member 11 is fitted around the pressure plate 12, and rotating the clamping member 11 causes it to press against the gap 13 of the pressure plate 12, thereby locking the grinding head 2.

[0038] Furthermore, Figure 8The motor 6 is electrically connected to the speed control component via a power supply line 5. An insulated low-stress elbow 51 is provided at the connection point. The wide side 7 of the low-stress elbow 51 is hollow to house the controller. The power supply line enters the controller from the narrow side, which is also connected to an electrical terminal 71. The electrical terminal 71 extends from the end face of the wide side 7 to contact the electrodes 61 of the motor 6 for electrical connection. Motor 6 (see...) Figure 9 ) and the wide side 7 of the low-stress elbow 51 (see Figure 10 Both are equipped with limiting posts 62 and limiting holes 72 respectively for proper installation. The low-stress elbow 51 protects the power line 5 inlet. In addition, the controller and its connected wireless communication components are housed inside the insulated low-stress elbow 51 to reduce the impact of motor operation on the radio frequency performance of the wireless communication components, thereby playing a role in preventing interference.

[0039] Example 2

[0040] Based on Example 1, see Figure 7 The linear sliding potentiometer 41 can be replaced with multiple terminals 32 and 33 with different resistance values, each terminal corresponding to... Figure 5 In the speed adjustment mode, the control chip is electrically connected to all terminals 32 and 33 via the power line. The sliding knob 4 in the slide groove 31 of the switch 3 is electrically connected to different terminals to adjust the resistance value, thereby realizing the output of different speed signals to the controller according to the speed adjustment of the knob 4.

[0041] Example 3

[0042] Based on Embodiment 1 or 2, the direction-changing switch can be replaced with multiple push-button switches, each corresponding to a different slide. When the push-button switch corresponding to the current slide is open, the sliding speed regulator is electrically connected to the controller. Specifically, the push-button switch is a double-headed switch, changing the rotary switching method of the knob switch to push-button switching.

[0043] The above-described embodiments of the directional nail filer are merely illustrative. The modules described as separate components may or may not be physically separate. The components shown as modules may or may not be physical modules; that is, they may be located in one place or distributed across multiple network modules. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0044] Finally, it should be noted that the directional nail filer disclosed in the embodiments of the present invention is only a preferred embodiment of the present invention and is only used to illustrate the technical solutions of the present invention, not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A reversible nail file, comprising a motor, a rotating mounting component, and a controller, wherein the motor is electrically connected to the controller to rotate forward or reverse according to the output signal of the controller, and the rotating mounting component is mounted on the motor shaft to rotate forward or reverse under the drive of the motor, thereby causing the filing head mounted thereon to rotate forward or reverse accordingly, characterized in that, It also includes a reversing switch with multiple target directions and multiple speed control components corresponding to each target direction. The reversing switch and the speed control components are electrically connected to the controller. The reversing switch is selectively connected to one of the speed control components for each target direction. The connection means that the reversing switch is currently connected to the speed control component for the corresponding target direction, or after a switching operation, so that the controller controls the motor to rotate forward or backward. The speed control component is a sliding speed regulator, including a slide groove and a slider. The controller is used to output a speed control signal to the motor according to the distance the slider of each sliding speed regulator moves in the slide groove. The reversing switch also serves as the slider. Each slide groove has one end close to each other so that the reversing switch, which also serves as the slider, continuously moves from the current slide groove to the slide groove corresponding to the selected target direction. The direction-changing switch is a rotary switch. When the rotary switch is rotated to the current slide position, the sliding speed regulating component is electrically connected to the controller. Alternatively, the direction-changing switch is a plurality of push-button switches corresponding to each slide. When the push-button switch corresponding to the current slide is turned on, the sliding speed regulating component is electrically connected to the controller.

2. The directional nail filer according to claim 1, characterized in that, The slide is a single groove, and the push-button switch is a double-ended switch.

3. The directional nail filer according to claim 1, characterized in that, The motor and speed control component are electrically connected via a power cord. An insulated low-stress elbow is provided at the connection point. The wide side of the low-stress elbow is hollow to accommodate the controller. The power cord is connected to the controller in the hollow part from the narrow side. The controller is also connected to an electrical terminal, which extends from the wide side end face to electrically connect to the motor.

4. The reversible nail filer according to any one of claims 1 to 3, characterized in that, It also includes a grinding head for mounting onto the grinding head mount.

5. A method for controlling the direction of nail filing, wherein the controller outputs motor control commands according to user operation to cause the motor to rotate forward, reverse, or adjust its speed, characterized in that, As described in any one of claims 1 to 4, after recognizing a direction switching command, the variable-direction nail file first determines whether a speed adjustment command opposite to the current or most recent rotational speed direction is recognized within a short period of time T. If the determination result is yes, the speed adjustment command is executed.

6. A computer-readable storage medium storing a computer program, characterized in that, When the computer program is executed by the processor, it can implement the directional control method for nail filing as described in claim 5.

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