CN111387678B

CN111387678B - Multifunctional nail instrument

Info

Publication number: CN111387678B
Application number: CN202010307310.3A
Authority: CN
Inventors: 龚震; 谢少龙; 谭小琳; 赵林
Original assignee: Shenzhen Jingmeirui Technology Co ltd
Current assignee: Shenzhen Jingmeirui Technology Co ltd
Filing date: 2020-04-17
Publication date: 2024-07-02
Anticipated expiration: 2040-04-17

Abstract

The invention discloses a multifunctional nail-beautifying instrument, which comprises a nail-beautifying instrument body, a nail grinding assembly and a UV curing assembly, wherein the nail grinding assembly is arranged in the nail-beautifying instrument body, and part of the UV curing assembly extends out of the nail-beautifying instrument body and is used for grinding nails, the UV curing assembly is positioned on the same side or opposite sides of the nail grinding assembly, a user can trim nails according to the shape and the length which the user wants through the nail grinding assembly, and after the user coats nail polish, the nail polish can be quickly cured through the UV curing assembly, so that long waiting time is avoided. The nail can be prevented from being repaired or beautified by using or carrying various instruments or tools by combining the two functions, so that the nail can be more convenient and faster for a user to use, and the use requirement of the user can be met. In addition, the invention has simple structure, convenient operation and good use effect.

Description

Multifunctional nail instrument

Technical Field

The invention relates to the technical field of nail grinding devices, in particular to a multifunctional nail beauty instrument.

Background

Along with the increasing standard of living, more and more loving people begin to pay attention to hand care, wherein the modification of nails is one of the most troublesome, and after the nails are trimmed, the nails have sharp edges and corners, and if the nails are not ground flat, the nails are not attractive, and the nails can scratch themselves and other people. At present, the use of nail polish is gradually common in a plurality of industries such as beauty nail polish, however, the existing nail polish has single function, does not have illumination effect when in use, and influences the operation precision of the nail polish when the use environment is darker.

In daily life, women can decorate themselves through various decorations, and nail polish is even a nail decoration that women's friends like, through scribbling the nail polish on the nail, makes the nail demonstrate different colours to carry out the decoration to the hand, make the hand more pleasing to the eye. In the past, nail polish was applied to the nails and naturally dried by air, which process required a long time, and the person who had to apply the polish had to avoid contact of the nail surface with other objects while waiting for the polish to dry, otherwise the polish could be wiped off or stained, and the work was discarded.

For this purpose, devices have been developed which allow the rapid drying of the nail polish, each of which comprises a casing, in which is arranged a cavity capable of receiving the finger of the person with the oil, in which is arranged an ultraviolet lamp, and in which the ultraviolet radiation emitted by the ultraviolet lamp can radiate. However, the housings of these devices are generally bulky because of the need to provide a cavity for accommodating the finger of the oiler, and are generally used in nail shops and are not suitable for carrying with them. In addition, the existing device has single function, and users can decorate their nails only by purchasing products with different functions, so that the purchase cost is high.

There is thus a need for improvements and improvements in the art.

Disclosure of Invention

In view of the shortcomings of the prior art, the invention aims to provide a multifunctional nail instrument which can realize a nail grinding function and simultaneously has a nail polish drying function.

In order to solve the technical problems, the invention adopts the following technical scheme:

The utility model provides a multi-functional nail appearance, includes the nail appearance body and sets up in the nail appearance body, and the part stretches out the external nail polish subassembly that is used for grinding the nail of nail appearance body, still be provided with the UV curing component that is used for drying nail polish on the cosmetic appearance body, the UV curing component is located the homonymy or the opposite side of nail polish subassembly.

In the multifunctional nail instrument, one end of the nail instrument body is a UV irradiation part which is tilted upwards by a preset angle, the UV curing component is positioned at the UV irradiation part, and an irradiation window for emitting UV rays is correspondingly arranged on the nail instrument body.

In the multifunctional nail-beautifying instrument, the same side of the UV irradiation part and the nail grinding component is provided with an illumination component, and the nail-beautifying instrument body is correspondingly provided with a light supplementing window for supplementing light to be emitted.

In the multifunctional nail-beautifying instrument, the nail grinding assembly comprises a motor, a speed reducing shaft sleeve, an eccentric shaft ball head, a swinging linkage piece and a detachable grinding disc, wherein the eccentric shaft ball head is connected with the motor through the speed reducing shaft sleeve, the eccentric shaft ball head is connected with the swinging linkage piece, and the grinding disc is clamped with the swinging linkage piece.

In the multifunctional nail-grinding instrument, the nail-grinding assembly further comprises a spring needle, and the elastic end of the spring needle is elastically abutted with the tail end of the swing linkage piece.

In the multifunctional nail art instrument, the UV curing assembly comprises a UV lamp and a UV lamp plate, the UV lamp and the illumination assembly are arranged on the UV lamp plate, the UV lamp plate is an aluminum substrate, the UV lamp is located on one side of the UV lamp plate, and the illumination assembly is located on the other side of the UV lamp plate.

In the multifunctional nail instrument, a UV control module and a UV lamp constant voltage module are arranged on the UV lamp panel, and the UV control module enables the UV lamp constant voltage module to work according to an opening instruction and provides constant voltage for the UV lamp.

The multifunctional nail instrument further comprises a control main board and a charging interface, and the UV lamp board and the charging interface are electrically connected with the control main board.

In the multifunctional nail-beautifying instrument, a low-voltage control module, a main control module, a motor driving module, a UV key and a nail grinding key are arranged on the control main board, and the low-voltage control module, the motor driving module, the UV key and the nail grinding key are all connected with the main control module.

In the multifunctional nail instrument, the constant voltage module of the UV lamp comprises a constant voltage chip, an inductor, a first resistor, a first capacitor and a second capacitor, wherein the LX end of the constant voltage chip is connected with the output end of the UV control module and one end of the first capacitor through the inductor, the VOUT end of the constant voltage chip is connected with the anode of the UV lamp through the first resistor and is grounded through the second capacitor, and the cathode of the UV lamp and the other end of the first capacitor are grounded.

Compared with the prior art, the multifunctional nail-beautifying instrument provided by the invention has the advantages that the nail-grinding assembly for grinding nails and the UV curing assembly for drying nail polish are arranged on the nail-beautifying instrument, the UV curing assembly is positioned on the same side or opposite sides of the nail-grinding assembly, the nail can be trimmed according to the shape and the length which are required by a user through the nail-grinding assembly, and after the user coats the nail polish, the nail polish can be quickly cured through the UV curing assembly, so that long waiting time is avoided. The nail-repairing and beautifying device can avoid the need of using or carrying various instruments to repair or beautify nails when a user uses the nail-repairing and beautifying device through the combination of the two functions, so that the nail-repairing and beautifying device is more convenient for the user to use.

Drawings

Fig. 1 is a schematic perspective view of a multifunctional nail instrument according to the present invention.

Fig. 2 is an exploded view of the multifunctional nail instrument provided by the invention.

Fig. 3 is a schematic diagram of a half-section structure of the multifunctional nail instrument provided by the invention.

Fig. 4 is a schematic circuit diagram of the multifunctional nail instrument provided by the invention.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

It is noted that when an element is referred to as being "mounted," "secured," or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that, in the embodiments of the present invention, terms such as left, right, up, and down are merely relative concepts or references to normal use states of the product, and should not be construed as limiting.

Referring to fig. 1,2 and 3, the multifunctional nail-beautifying apparatus provided by the invention comprises a nail-beautifying apparatus body 1, a nail grinding assembly 2 which is arranged in the nail-beautifying apparatus body 1 and partially extends out of the nail-beautifying apparatus body 1, and a UV curing assembly 3 which is used for drying nail polish, wherein the UV curing assembly 3 is positioned on the same side or the opposite side of the nail grinding assembly 2, and a user can trim nails according to the shape and the length of the nail grinding assembly 2, and after the user coats nail polish, the nail polish can be quickly cured through the UV curing assembly 3, so that long waiting time is avoided. The nail can be prevented from being repaired or beautified by using or carrying various instruments or tools by combining the two functions, so that the nail can be more convenient and faster to use by a user, the use experience of the user is greatly improved, and the purchase cost of the user is reduced.

In an alternative embodiment, an end portion of the nail art body 1 is a UV irradiation portion 11 tilted upward by a preset angle, the UV curing assembly 3 is located at the UV irradiation portion 11, an irradiation window for emitting UV light is correspondingly provided on the nail art body 1, and the UV light is dispersed through the tilted upward UV irradiation portion 11 when in use, so that nail polish is cured more conveniently, and the irradiation window is not easy to wear when placed or stored, so that the service life of the nail art body is prolonged.

In this embodiment, the nail-care apparatus body 1 is tilted up by a preset angle of 30 ° -60 °, such as 45 °, after the user finishes polishing the nail using the multifunctional nail-care apparatus of the present invention, the user can apply nail polish (such as nail polish with UV function) on the nail, then turn on the UV function of the functional nail-care apparatus and place the hand on the table surface, and the user can easily cure the nail polish by placing the hand on the table surface so that the nail is located at the UV irradiation part for a while.

With continued reference to fig. 1 to 3, the illumination component 4 is disposed at the UV illumination portion 11 and on the same side of the nail grinding component 2, a light supplementing window for emitting light supplementing light is correspondingly disposed on the nail art body 1, and the light supplementing window is disposed at one end of the upward warping of the nail art body 1, so that the light supplementing window is slightly higher than the Yu Mo nail component 2, when the illumination component 4 is turned on, the light supplementing light irradiates the nail grinding component 2, and no shadow of the nail grinding component 2 appears, so that the nail art can ensure that a user has enough light when grinding nails even in an environment with insufficient light, avoid damaging nails or scratching skin by misoperation, and greatly improve the use experience of the user. Further, the lighting assembly 4 can provide a flashlight lighting function, thereby providing convenience for users.

With continued reference to fig. 1, 2 and 3, the nail polish assembly 2 includes a motor 21, a reduction shaft sleeve (not shown), a yaw ball 23, a swing linkage 24 and a detachable polishing disc 25, wherein the yaw ball 23 is connected with the motor 21 through the reduction shaft sleeve, the yaw ball 23 is connected with the swing linkage 24, and the polishing disc 25 is clamped with the swing linkage 24. The motor 21 controls the eccentric ball head 23 to rotate, and then the swinging linkage piece 24 enables the polishing disc 25 to swing left and right, the swinging angle can be set to 15-30 degrees, such as 25 degrees, the resistance between the nail and the polishing disc 25 can be increased, compared with the existing mode of polishing the nail by controlling the rotation of the polishing disc, when the polishing disc 25 in the embodiment is used for polishing the nail, the nail is not easy to separate from the control of the polishing disc 25, accidents are reduced, and the polishing efficiency and comfort are improved.

The invention also reduces the rotating speed of the motor 21 through the reduction shaft sleeve, so that the polishing disc 25 has enough power to grind nails, and compared with the existing mode of reducing through a plastic gear, the invention has the advantages of low noise, small occupied space and the like.

Specifically, the polishing disc 25 can be selected according to polishing requirements, and the polishing disc 25 of the invention can be provided with a 180-mesh abrasive paper disc, a 320-mesh abrasive paper disc, a 1800-mesh abrasive paper disc, a 4000-mesh abrasive paper disc and the like, so that a user can automatically replace the polishing disc 25 with different abrasive paper mesh numbers according to the requirements, such as grinding, polishing and the like, to meet the use requirements.

Further, the nail grinding assembly 2 further includes a spring needle 26, and the elastic end of the spring needle 26 elastically abuts against the end of the swing link 24 to form a buffer, so that the grinding disc 25 mounted on the swing link 24 is elastically contacted with the nail, and damage to the nail caused by excessive force is avoided, so that the ideal finger shape is ground.

Specifically, the nail instrument body 1 includes an upper shell 14, a middle shell 15, and a bottom shell 16, wherein the upper shell 14 covers one side of the middle shell 15, and the bottom shell 16 covers the other side of the middle shell 15. The middle shell 15 is provided with a mounting post (not shown) for inserting the bullet feeding needle 26. One end of the upper case 14 has a through hole (not shown) through which the swing link 24 extends, so that the swing link 24 extends out of the through hole to facilitate the removal of the grinding disc 25.

In an alternative embodiment, the UV curing assembly 3 includes a UV lamp 31 and a UV lamp panel 32, the UV lamp 31 and the illumination assembly 4 are disposed on the UV lamp panel 32, the UV lamp panel 32 is an aluminum substrate, the UV lamp 31 is disposed on one side of the UV lamp panel 32, the illumination assembly 4 is disposed on the other side of the UV lamp panel 32, and the UV lamp 31 is irradiated with the UV lamp lens 12, so that UV light is uniformly emitted. Because the UV lamp 31 needs larger driving current when being started, and generates heat, the invention sets the UV lamp panel as the aluminum plate, which is favorable for the PCB to bear large current, and the aluminum substrate has good heat dissipation performance. The mode of separating the UV lamp panel from the control main board is beneficial to reasonably utilizing the internal space of the multifunctional nail instrument, can better adapt to the small-size requirement of the multifunctional nail instrument, and is more convenient to carry.

Referring to fig. 4, the UV lamp panel 32 is provided with a UV control module 321 and a UV lamp constant voltage module 322, and the UV control module 321 makes the UV lamp constant voltage module 322 work according to the on command and provides constant voltage for the UV lamp 31, so that the UV lamp 31 is not affected by the input voltage and the ambient temperature, thereby ensuring the normal operation of the UV lamp 31 and ensuring the fast curing of the nail polish.

Specifically, the constant voltage module 322 of the UV lamp includes a constant voltage chip U1, an inductor L1, a first resistor R1, a first capacitor C1 and a second capacitor C2, where the LX end of the constant voltage chip U1 is connected to the output end of the UV control module 321 and one end of the first capacitor C1 through the inductor L1, the VOUT end of the constant voltage chip U1 is connected to the positive electrode of the UV lamp 31 through the first resistor R1 and is also grounded through the second capacitor C2, and the negative electrode of the UV lamp 31 and the other end of the first capacitor C1 are grounded.

The multifunctional nail instrument further comprises a control main board 5 and a charging interface 6, wherein the UV lamp panel 32 and the charging interface 6 are electrically connected with the control main board 5, so that the multifunctional nail instrument can be charged, and is convenient to use anytime and anywhere.

The control main board 5 is provided with a low-voltage control module 52, a main control module 51, a motor driving module 53, a UV key SW1 and a nail grinding key SW2, wherein the low-voltage control module 52, the motor driving module 53, the UV key SW1 and the nail grinding key SW2 are all connected with the main control module 51, and a user can operate the UV key SW1 and the nail grinding key SW2 to perform corresponding actions under the control of the main control module 51.

With continued reference to fig. 4, the main control module 51 includes a main control chip U2, a second resistor R2, a third resistor R3, a third capacitor C3 and a fourth capacitor C4, where a VDD pin of the main control chip U2 is connected to a 4.2V power supply end and is also grounded through the third capacitor C3, a P1.5 pin of the main control chip U2 is connected to the UV control module 321, a P1.4 pin of the main control chip U2 is connected to one end of the UV key SW1 and is also connected to one end of the 4.2V power supply end and the fourth capacitor C4 through the second resistor R2, a P1.3 pin of the main control chip U2 is connected to one end of the nail grinding key SW2 and is connected to one end of the fourth capacitor C4 through the third resistor R3, and the other end of the UV key SW1, the other end of the nail grinding key SW2 and the other end of the fourth capacitor C4 are grounded. The P5.0 pin of the main control chip U2 is connected with the lighting assembly 4 and the motor driving module 53, and the P3.1 pin and the P3.2 pin of the main control chip U2 are both connected with the low-voltage control module 52.

When the nail grinding key SW2 is pressed, the main control module 51 controls the motor driving module 53 to work, so that the motor 21 runs the grinding disc 25 to start swinging left and right, meanwhile, the main control chip U2 enables the lighting assembly 4 to supplement light, when the nail grinding key SW2 is pressed for a long time (or pressed again), both the nail grinding function and the light supplementing function are closed, and when the UV key SW1 is pressed, the UV control module 321 and the UV lamp constant voltage module 322 enable the UV lamp to be lighted. Of course, other control modes may be used, and the invention is not limited in this regard.

With continued reference to fig. 4, the uv control module 321 includes a first triode Q1, a first MOS transistor Q2, a fourth resistor R4, a fifth resistor R5, and a sixth resistor R6, where a base of the first triode Q1 is connected to a pin P1.5 of the main control chip U2 through the fourth resistor R4, an emitter of the first triode Q1 is grounded, a collector of the first triode Q1 is connected to a gate of the first MOS transistor Q2 through the fifth resistor R5, a gate of the first MOS transistor Q2 is connected to a 4.2V supply end and a source of the first MOS transistor Q2 through the sixth resistor R6, and a drain of the first MOS transistor Q2 is connected to the inductor L1.

In this embodiment, the first MOS transistor Q2 is a P-communication MOS transistor, the first transistor Q1 is an NPN transistor, and when the pin P1.5 of the main control chip U2 outputs a high level, the first transistor Q1 is turned on to pull the gate of the first MOS transistor Q2 low to be turned on, so that the UV lamp constant voltage module 322 starts to operate.

The motor driving module 53 includes a second MOS transistor Q3, a seventh resistor R7, an eighth resistor R8, a first diode D1, and a fifth capacitor C5, where a gate of the second MOS transistor Q3 is connected to a pin P5.0 of the main control chip U2 through the seventh resistor R7 and is also grounded through the eighth resistor R8, a source of the second MOS transistor Q3 is grounded, a drain of the second MOS transistor Q3 is connected to a cathode of the electrode and an anode of the first diode D1, a cathode of the first diode D1 is connected to an anode of the motor, and the fifth capacitor C5 is connected in parallel with two ends of the first diode D1.

The second MOS transistor Q3 is an N-communication MOS transistor, when the P5.0 pin of the main control chip U2 outputs a high level, the second MOS transistor Q3 is conducted, and the motor starts to rotate. The first diode D1 is a peak clipping diode, when the motor is running, a very high peak voltage is generated during rotation, the fifth capacitor C5 filters the peak voltage, and the peak clipping voltage of the first diode D1 reduces the voltage to a safe operating voltage, so that the motor and other components are protected, and meanwhile, signal interference is prevented.

With continued reference to fig. 4, the low voltage control module 52 includes a second triode Q4, a ninth resistor R9, a tenth resistor R10, and an eleventh resistor R11, where a base electrode of the second triode Q4 is connected to the 4.2V power supply end and the VDD end of the main control chip U2 through the tenth resistor R10, and is also connected to an emitter electrode of the second triode Q4 and the P3.2 pin of the main control chip U2 through the eleventh resistor R11, and a collector electrode of the second triode Q4 is connected to the P3.1 pin of the main control chip U2, and is also connected to the 4.2V power supply end through the ninth resistor R9. When the battery voltage is greater than a set value, for example: 3.3V, the second triode Q4 is conducted, and the P3.2 pin of the main control chip U2 is at a low level; when the battery voltage is lower than a set value, the second triode Q4 is cut off, and the P3.2 pin of the main control chip U2 is at a high level; the high-low level state of the P3.2 pin is judged through the main control chip U2, so that battery voltage inspection is realized, when the battery voltage is lower than a set value, the battery is automatically powered off after being flash-prompted through the light supplementing lamp or the UV lamp, thereby reminding a user to charge, and further protecting the battery from overdischarge and prolonging the service life of the battery.

The lighting assembly 4 comprises a second diode D2, a sixth capacitor C6, a twelfth resistor R12, a thirteenth resistor R13, a first LED lamp D01 and a second LED lamp D02, wherein the anode of the second diode D2 is connected with a P5.0 pin of the main control chip U2, the cathode of the second diode D2 is connected with one end of the sixth capacitor C6, the anode of the first LED lamp D01 is also connected with the anode of the first LED lamp D01 through the twelfth resistor R12, the anode of the second LED lamp D02 is also connected with the other end of the sixth capacitor C6, the cathode of the first LED lamp D01 and the cathode of the second LED lamp D02 through the thirteenth resistor R13, and the anode of the second LED lamp D02 is grounded. When the pin P5.0 of the main control chip U2 outputs PWM signals to drive the motor to rotate, DC voltage is obtained after isolation of the diode D2 and filtering of the sixth capacitor C6, and the light supplementing lamps (namely the first LED lamp D01 and the second LED lamp D02) are synchronously lightened. The first LED lamp D01 and the second LED lamp D02 are provided with the illuminating lamp lens 13, so that light of the first LED lamp D01 and light of the second LED lamp D02 are uniformly emitted for light supplement.

Referring to fig. 2 and 3, the multifunctional nail instrument further comprises a battery assembly 7, the battery assembly 7 comprises a battery 71 and a bracket 72, the charging interface 6 is connected with the main board 5, and the battery 71 and the motor 21 are both arranged in the bracket 72 to play a role in shock absorption and facilitate product assembly.

In a further embodiment, the multifunctional nail instrument further comprises a charging management module 80, and the charging management module 80 is connected with the battery assembly 7.

In summary, the multifunctional nail-beautifying instrument provided by the invention comprises a nail-beautifying instrument body, a nail grinding assembly which is arranged in the nail-beautifying instrument body and partially extends out of the nail-beautifying instrument body, and a UV curing assembly which is used for drying nail polish, wherein the UV curing assembly is positioned on the same side or opposite sides of the nail grinding assembly, a user can trim the nail according to the shape and the length which the user wants through the nail grinding assembly, and after the user coats the nail polish, the nail polish can be quickly cured through the UV curing assembly, so that long waiting time is avoided. The nail can be prevented from being repaired or beautified by using or carrying various instruments or tools by combining the two functions, so that the nail can be more convenient and faster to use by a user, the requirements of the user can be met, and the use experience of the user can be greatly improved.

Further, the same side that UV irradiation department, lie in the nail polish subassembly is provided with lighting assembly, be provided with the light filling window that supplies light filling light to jet out on the nail appearance body correspondingly, make the nail appearance even under the environment of light inadequately, also can guarantee that the user has sufficient light when grinding the nail, avoid the maloperation to grind the nail or scratch skin, improved user's use experience greatly. The lighting assembly enables the nail instrument to have multiple functions, thereby providing convenience for users and increasing selling points of products.

In addition, the invention has simple structure, convenient operation and good use effect, and is suitable for wide popularization.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present invention and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the following claims.

Claims

1. The multifunctional nail-beautifying instrument comprises a nail-beautifying instrument body, a control main board, a charging interface and a nail grinding assembly which is arranged in the nail-beautifying instrument body and partially extends out of the nail-beautifying instrument body and is used for grinding nails, wherein the charging interface is electrically connected with the control main board; the nail art instrument comprises a nail art instrument body, a UV curing assembly and a fixing device, wherein one end part of the nail art instrument body is a UV irradiation part which is tilted upwards by 30-60 degrees, the UV curing assembly is positioned at the UV irradiation part, and an irradiation window for emitting UV rays is correspondingly arranged on the nail art instrument body; the nail polish comprises a nail polish body, a UV (ultraviolet) irradiation part, a nail polish assembly, a light supplementing window and a high Yu Mo nail assembly, wherein the UV irradiation part is positioned at the same side of the nail polish assembly, the nail polish body is correspondingly provided with the light supplementing window for supplementing light to emit, and the light supplementing window is arranged at one end of the upward warping of the nail polish body;

The UV curing assembly comprises a UV lamp and a UV lamp panel, the UV lamp and the illumination assembly are arranged on the UV lamp panel, the UV lamp panel is an aluminum substrate, the UV lamp is positioned on one side of the UV lamp panel, and the illumination assembly is positioned on the other side of the UV lamp panel; the UV lamp panel is electrically connected with the control main board; the UV lamp panel is provided with a UV control module and a UV lamp constant voltage module, and the UV control module enables the UV lamp constant voltage module to work according to an opening instruction and provides constant voltage for the UV lamp;

the control main board is provided with a low-voltage control module, a main control module, a motor driving module, a UV key and a nail grinding key, wherein the low-voltage control module, the motor driving module, the UV key and the nail grinding key are all connected with the main control module;

The constant-voltage module of the UV lamp comprises a constant-voltage chip, an inductor, a first resistor, a first capacitor and a second capacitor, wherein the LX end of the constant-voltage chip is connected with the output end of the UV control module and one end of the first capacitor through the inductor, the VOUT end of the constant-voltage chip is connected with the anode of the UV lamp through the first resistor and is grounded through the second capacitor, and the cathode of the UV lamp and the other end of the first capacitor are grounded;

The main control module comprises a main control chip, a second resistor, a third capacitor and a fourth capacitor, wherein a VDD pin of the main control chip is connected with a 4.2V power supply end and is also grounded through the third capacitor, a P1.5 pin of the main control chip is connected with a UV control module, a P1.4 pin of the main control chip is connected with one end of a UV key and is also connected with a 4.2V power supply end and one end of the fourth capacitor through the second resistor, a P1.3 pin of the main control chip is connected with one end of a nail grinding key and is connected with one end of the 4.2V power supply end and one end of the fourth capacitor through the third resistor, and the other end of the UV key, the other end of the nail grinding key and the other end of the fourth capacitor are grounded;

The UV control module comprises a first triode, a first MOS tube, a fourth resistor, a fifth resistor and a sixth resistor, wherein the base electrode of the first triode is connected with a P1.5 pin of the main control chip through the fourth resistor, the emitting electrode of the first triode is grounded, the collecting electrode of the first triode is connected with the grid electrode of the first MOS tube through the fifth resistor, the grid electrode of the first MOS tube is connected with a 4.2V power supply end and the source electrode of the first MOS tube through the sixth resistor, and the drain electrode of the first MOS tube is connected with an inductor;

The motor driving module comprises a second MOS tube, a seventh resistor, an eighth resistor, a first diode and a fifth capacitor, wherein a grid electrode of the second MOS tube is connected with a P5.0 pin of a main control chip through the seventh resistor and is grounded through the eighth resistor, a source electrode of the second MOS tube is grounded, a drain electrode of the second MOS tube is connected with a cathode of a motor and an anode of the first diode, a cathode of the first diode is connected with an anode of the motor, and the fifth capacitor is connected with two ends of the first diode in parallel;

The low-voltage control module comprises a second triode, a ninth resistor, a tenth resistor and an eleventh resistor, wherein the base electrode of the second triode is connected with a 4.2V power supply end and the VDD end of the main control chip through the tenth resistor, the base electrode of the second triode is also connected with the emitter electrode of the second triode and the P3.2 pin of the main control chip through the eleventh resistor, and the collector electrode of the second triode is connected with the P3.1 pin of the main control chip and is also connected with the 4.2V power supply end through the ninth resistor;

The lighting assembly comprises a second diode, a sixth capacitor, a twelfth resistor, a thirteenth resistor, a first LED lamp and a second LED lamp, wherein a lighting lamp lens is arranged on the first LED lamp and the second LED lamp, the positive electrode of the second diode is connected with a P5.0 pin of a main control chip, the negative electrode of the second diode is connected with one end of the sixth capacitor, the positive electrode of the first LED lamp is also connected through the twelfth resistor, the positive electrode of the second LED lamp is also connected through the thirteenth resistor, and the other end of the sixth capacitor, the negative electrode of the first LED lamp and the negative electrode of the second LED lamp are grounded.

2. The multifunctional nail polish instrument according to claim 1, wherein the nail polish assembly comprises a motor, a speed reducing shaft sleeve, a deflection shaft ball, a swinging linkage piece and a detachable polishing disc, the deflection shaft ball is connected with the motor through the speed reducing shaft sleeve, the deflection shaft ball is connected with the swinging linkage piece, and the polishing disc is clamped with the swinging linkage piece.

3. The multi-function nail instrument according to claim 2, wherein the nail grinding assembly further comprises a spring pin, the spring end of which is in resilient abutment with the end of the swing link.