Structure for filtering impurities in nail polish

By designing a nail polish filter structure including the barrel, filter cartridge and power mechanism, the problems of pigment particles mixed and filter mesh clogging are solved, efficient nail polish filtration and cleaning are achieved, and production efficiency is improved.

CN222266392UActive Publication Date: 2024-12-31金华市东方秀日化有限公司
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Patent Information

Application Number
CN202421003078.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2024-12-31
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

During the nail polish production process, the inability to dissolve the pigment particles lead to mixed impurities, making it difficult to ensure product quality and purity, and the filter is easily clogged, affecting processing efficiency.

Method used

A filter structure including a material barrel, a filter barrel, a rubber sleeve, a steel sleeve, a slag storage chamber and a power mechanism was designed. The combination of the inlet pipe, the outlet pipe, the backflush pipe and the sewage pipe is achieved to achieve the effective nail polish. Filtration and cleaning, improve filtration efficiency by centrifugation and backflush cleaning.

Benefits of technology

Effectively isolate and discharge the residue particles in nail polish, improve filtration and treatment efficiency, ensure product quality, and reduce the risk of filter clogging through backflush cleaning and improve production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222266392U_ABST
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Abstract

The utility model relates to a nail polish internal impurity filtering structure which comprises a charging barrel and a filtering barrel arranged in the charging barrel, the upper end of the filtering barrel is connected with a rubber sleeve, the lower end of the filtering barrel is connected with a steel sleeve, and a core hole is formed in the center of the filtering barrel. The center of the charging barrel is provided with a residue storage cavity used for containing an inner cavity of a filter cartridge and communicated with a core hole, the inner surface of the residue storage cavity is connected with a supporting bottom used for supporting a steel sleeve, a gland used for fixing a rubber sleeve is arranged above the charging barrel, the outer side of the gland is movably connected with a chuck, a base used for fixing the chuck is arranged above the gland, and the upper portion of the base is fixedly connected with the steel sleeve. A power mechanism used for driving the gland to rotate is connected to the upper portion of the base, and a back flushing pipe, a liquid outlet pipe, a liquid inlet pipe and a blow-off pipe are arranged on the outer surface of the charging barrel. According to the structure, pigment particles or solid impurities possibly contained in the nail polish can be filtered, the filter cartridge can be washed and cleaned, and the filtering effect of the nail polish and the cleaning effect of the filter cartridge are effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of nail polish processing, in particular to a nail polish internal impurity filtering structure. Background Art

[0002] Nail polish is a cosmetic used to modify and enhance the beauty of nails. Pigments are usually mixed in oils to produce nail polish of various colors for application to change the color of nails. However, during the production and processing of nail polish, pigments are easily mixed during mixing or particulate matter is mixed because pigment particles cannot be dissolved. It is difficult to ensure the quality and purity of nail polish products, which in turn affects the subsequent use of nail polish. In addition, since nail polish is sticky and difficult to clean, impurities filtered by the grille or filter are easily adhered to the filter, causing the filter holes of the grille or screen to be blocked after filtering, which is not conducive to the long-term filtration of nail polish and affects the production and processing efficiency of nail polish. Utility Model Content

[0003] The utility model mainly solves the technical problems existing in the prior art, thereby providing a nail polish internal impurity filtering structure which is convenient for the filtering process of nail polish and the subsequent cleaning of the filter cartridge, and effectively improves the filtering process efficiency of the nail polish.

[0004] The utility model discloses a structure for filtering impurities inside nail polish, comprising a material barrel and a filter cartridge arranged inside the material barrel, the upper end of the filter cartridge is connected with a rubber sleeve, the lower end of the filter cartridge is connected with a steel sleeve, a core hole is arranged in the center of the filter cartridge, a slag storage chamber which is connected with an inner cavity for placing the filter cartridge and the core hole is arranged in the center of the material barrel, a support bottom for supporting the steel sleeve is connected to the inner surface of the slag storage chamber, a pressure cover for fixing the rubber sleeve is arranged above the material barrel, a chuck is movably connected to the outer side of the pressure cover, a base for fixing the chuck is arranged above the pressure cover, a power mechanism for driving the pressure cover to rotate is connected above the base, a recoil pipe and a liquid outlet pipe which are connected with the inner cavity are respectively arranged on both sides of the material barrel, and a liquid inlet pipe and a sewage discharge pipe which are connected with the slag storage chamber are arranged at the lower end of the material barrel.

[0005] Preferably, the outer diameter of the steel sleeve is larger than the outer diameter of the center of the filter cartridge and is sealed above the slag storage cavity, so that the steel sleeve can be completely embedded in the inner cavity, and the slag storage cavity is isolated from the inner cavity by the steel sleeve, and the steel sleeve is placed above the support bottom, a groove is provided in the center of the steel sleeve, and a convex ridge for embedding into the groove is connected to the top of the support bottom, so that the steel sleeve below the filter cartridge can be stably placed above the support bottom through the cooperation of the convex ridge and the groove, so as to facilitate the stable rotation of the filter cartridge, and a roller can be movably connected to the inside of the groove or the top of the convex ridge.

[0006] Preferably, a ball is movably connected between the pressure cover and the chuck, and a clamping cavity is provided in the center of the pressure cover. The clamping cavity and the rubber sleeve have an interference fit so that the pressure cover can rotate and move in the center of the chuck, and the upper end of the filter cartridge is fixed in the clamping cavity in the center of the pressure cover through the rubber sleeve, so that the rotation of the pressure cover drives the filter cartridge to rotate through the rubber sleeve.

[0007] Preferably, a guide step is provided on the side of the lower surface of the pressure cover facing the card cavity, and elastic pads are connected to the upper and lower surfaces of the chuck. The ball bearings can also be replaced by rollers or bearings, so that the rubber sleeve at the upper end of the filter cartridge can be stably embedded and installed in the card cavity along the guide steps. The setting of the elastic pad makes it easier for the top cover and the base to clamp and fix the chuck, and the setting of the ball bearings makes it easier for the pressure cover to be movably connected to the center of the top cover. The pressure cover is a circular structure.

[0008] Preferably, a collecting chamber connected to the inner cavity is provided at the lower side of the barrel, one end of the liquid outlet pipe is connected to an end head located in the collecting chamber, and the center of the liquid outlet pipe is connected to a first stop valve, so that nail polish and other oils that are completely filtered in the inner cavity can flow into the collecting chamber, and flow to the liquid outlet pipe through the end head located in the collecting chamber for discharge, and the opening and closing of the liquid outlet pipe is controlled by the first stop valve, and the lower surface of the collecting chamber is equal to or lower than the upper surface of the steel sleeve, so that the filtered nail polish and other oils can enter the collecting chamber to be discharged.

[0009] Preferably, the recoil pipe is connected to the upper side of the inner cavity, the center of the recoil pipe is connected with a first check valve, the liquid inlet pipe is connected to the side of the slag storage chamber, the drain pipe is connected to the bottom of the slag storage chamber, the center of the liquid inlet pipe is connected with a second check valve, and the center of the drain pipe is connected with a second stop valve, so that nail polish and other oils can pass through the liquid inlet pipe and filter through the slag storage chamber and the filter cartridge in turn into the inner cavity, so that the nail polish can be filtered through the filter cartridge, and the cleaning liquid enters the inner cavity through the recoil pipe, and after backwashing the filter cartridge, enters the core hole and falls into the slag storage chamber, and then discharges the granular residue through the drain pipe, so that the filter cartridge can be cleaned, the second check valve can prevent the possibility of nail polish and other oils flowing back into the liquid inlet pipe, the first check valve can prevent the possibility of cleaning liquid or liquid in the inner cavity flowing back into the recoil pipe, and the second stop valve is convenient for reasonable control of the opening and closing of the drain pipe.

[0010] Preferably, the upper end of the barrel is connected to a top cover which is detachably connected to the base, the chuck is located between the base and the top cover, and a speed regulating mechanism which is transmission-connected to the power mechanism is provided in the center of the base, the speed regulating mechanism and the pressure cover are transmission-connected so that the base can be fixedly mounted above the barrel through the top cover, and the speed regulating mechanism is driven by the power mechanism to adjust the corresponding speed and torque so as to drive the pressure cover to rotate accordingly, the power mechanism can provide a motor that can provide speed power, and the speed regulating mechanism can be a transmission amplification gearbox for speed adjustment amplification so as to provide the pressure cover with high-speed rotation.

[0011] Preferably, the outer sides of the top cover and the base are provided with two or more through holes, and the center of the through hole is provided with a bolt for connecting the top cover and the base, so that the top cover and the base are connected and fixed by the bolts. The bolts can be threadedly connected to the through holes or the center of the bolts can be threadedly connected with a nut to fix the top cover and the base.

[0012] The beneficial effects of the utility model are as follows: since a filter cartridge is arranged in the inner cavity at the center of the material cartridge, and the liquid outlet pipe is connected with the inner cavity, and the liquid inlet pipe is connected with the core hole at the center of the filter cartridge through the residue storage cavity, oil materials such as nail polish can enter the residue storage cavity and the core hole in turn through the liquid inlet pipe, and penetrate into the inner cavity after being filtered by the filter cartridge, so that the filter cartridge can effectively isolate and filter the residue particles of the nail polish, and temporarily store the filtered nail polish through the collection cavity, so that the liquid outlet pipe can quickly discharge the completely filtered nail polish, which is convenient for the filtering treatment and discharge effect of the nail polish; at the same time, the rubber sleeve above the filter cartridge is connected in the clamping cavity in the center of the pressure cover by interference fit, and the clamping disc movably connected to the outer side of the pressure cover is fixed under the base, so that the power When the mechanism rotates through the pressure cover, it can synchronously drive the filter cartridge to rotate, so that the filter cartridge has the effect of centrifugal separation of the nail polish, further improving the effect of filtering the nail polish through the filter cartridge, and effectively improving the efficiency of the nail polish filtering process; the recoil pipe is connected with the inner cavity, and the drain pipe is connected with the slag storage chamber, so that the external cleaning liquid flows into the inner cavity through the recoil pipe, and reversely flows into the core hole through the filter cartridge and falls into the slag storage chamber, so that the cleaning liquid can reversely flow into the core hole through the inner cavity to clean the filter cartridge, so that the filter cartridge can perform subsequent filtering treatment on the nail polish, and at the same time, the impurity particles temporarily stored in the slag storage chamber after cleaning can be discharged through the drain pipe, effectively improving the secondary filtering treatment effect of the structure on the nail polish. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the overall structure of a nail polish internal impurity filtering structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of a filter cartridge in a nail polish internal impurity filtering structure of the utility model;

[0016] Figure 3 for Figure 1 A partial enlarged view of middle A;

[0017] Figure 4 for Figure 1 A partial enlarged view of B. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0019] like Figures 1 to 4 The structure for filtering impurities inside nail polish shown in the figure comprises a material barrel 1 and a filter barrel 2 arranged inside the material barrel 1, wherein the upper end of the filter barrel 2 is connected with a rubber sleeve 21, the lower end of the filter barrel 2 is connected with a steel sleeve 22, and a core hole 23 is arranged in the center of the filter barrel 2, and a slag storage chamber 16 is arranged in the center of the material barrel 1 for placing an inner cavity 11 of the filter barrel 2 and communicating with the core hole 23, and the inner surface of the slag storage chamber 16 is connected with a support bottom 161 for supporting the steel sleeve 22, A pressure cover 3 for fixing the rubber sleeve 21 is arranged above the barrel 1, a chuck 31 is movably connected to the outer side of the pressure cover 3, a base 42 for fixing the chuck 31 is arranged above the pressure cover 3, a power mechanism 4 for driving the pressure cover 3 to rotate is connected above the base 42, a recoil pipe 12 and a liquid outlet pipe 15 connected to the inner cavity 11 are respectively arranged on both sides of the barrel 1, and a liquid inlet pipe 13 and a sewage pipe 14 connected to the slag storage cavity 16 are arranged at the lower end of the barrel 1.

[0020] The outer diameter of the steel sleeve 22 is larger than the outer diameter of the center of the filter cartridge 2 and is sealed above the slag storage chamber 16, so that the steel sleeve 22 can be completely embedded in the inner cavity 11, and the slag storage chamber 16 is isolated from the inner cavity 11 by the steel sleeve 22, and the steel sleeve 22 is placed above the support bottom 161, and a groove 221 is provided in the center of the steel sleeve 22, and a convex rib 162 for embedding into the groove 221 is connected above the support bottom 161, so that the steel sleeve 22 below the filter cartridge 2 can be stably placed above the support bottom 161 through the cooperation of the convex rib 162 and the groove 221, so that the filter cartridge 2 can be stably rotated, and a roller (not marked) can be movably connected to the inside of the groove 221 or the top of the convex rib 162.

[0021] A ball 32 is movably connected between the pressure cover 3 and the chuck 31, and a clamping cavity 33 is provided in the center of the pressure cover 3. The clamping cavity 33 and the rubber sleeve 21 are interference fit, so that the pressure cover 3 can rotate and move in the center of the chuck 31, and the upper end of the filter cartridge 2 is fixed in the clamping cavity 33 in the center of the pressure cover 3 through the rubber sleeve 21, so that the rotation of the pressure cover 3 drives the filter cartridge 2 to rotate through the rubber sleeve 21.

[0022] A guide step 331 is provided on the side of the lower surface of the pressure cover 3 facing the card cavity 33, and the upper and lower surfaces of the chuck 31 are connected with elastic pads 311. The ball 32 can also be replaced by a roller or a bearing, so that the rubber sleeve 21 at the upper end of the filter cartridge 2 can be stably embedded and installed in the card cavity 33 along the guide step 331 through the guide step 331. The setting of the elastic pad 311 makes it convenient for the top cover 18 and the base 42 to clamp and fix the chuck 31, and the setting of the ball 32 makes it convenient for the pressure cover 3 to be movably connected to the center of the top cover 18. The pressure cover 3 is a circular structure.

[0023] A collecting chamber 17 connected to the inner cavity 11 is provided at the lower side of the barrel 1, one end of the liquid outlet pipe 15 is connected to an end head 152 located in the collecting chamber 17, and the center of the liquid outlet pipe 15 is connected to a first stop valve 151, so that the oil such as nail polish that has been completely filtered in the inner cavity 11 can flow into the collecting chamber 17, and flow to the liquid outlet pipe 15 through the end head 152 located in the collecting chamber 17 for discharge, and the opening and closing of the liquid outlet pipe 15 is controlled by the first stop valve 151, and the lower surface of the collecting chamber 17 is equal to or lower than the upper surface of the steel sleeve 22, so that the filtered oil such as nail polish can enter the collecting chamber 17 to be discharged.

[0024] The backwash pipe 12 is connected to the upper side of the inner cavity 11, and the center of the backwash pipe 12 is connected to a first check valve 121. The liquid inlet pipe 13 is connected to the side of the slag storage chamber 16, and the sewage pipe 14 is connected to the bottom of the slag storage chamber 16. The center of the liquid inlet pipe 13 is connected to a second check valve 131, and the center of the sewage pipe 14 is connected to a second stop valve 141, so that nail polish and other oils can be filtered through the liquid inlet pipe 13, through the slag storage chamber 16 and the filter cartridge 2 in turn, and enter the inner cavity 11, so that the nail polish can be filtered through the filter cartridge 2. The cleaning liquid enters the inner cavity 11 through the backwash pipe 12, and after backwashing the filter cartridge 2, enters the core hole 23 and then falls into the residue storage cavity 16, and then the particle residue is discharged through the sewage pipe 14, so as to clean the filter cartridge 2. The second check valve 131 can prevent the possibility of oil such as nail polish flowing back into the liquid inlet pipe 13, the first check valve 121 can prevent the possibility of the cleaning liquid or the liquid in the inner cavity flowing back into the backwash pipe 12, and the second stop valve 141 is convenient for reasonable control of the opening and closing of the sewage pipe 14.

[0025] The upper end of the barrel 1 is connected to a top cover 18 which is detachably connected to the base 42, the chuck 31 is located between the base 42 and the top cover 18, and a speed regulating mechanism 41 which is transmission-connected to the power mechanism 4 is provided in the center of the base 42. The speed regulating mechanism 41 is transmission-connected to the pressure cover 3, so that the base 42 can be fixedly installed above the barrel 1 through the top cover 18, and the speed regulating mechanism 41 is driven by the power mechanism 4 to adjust the corresponding speed and torque so as to drive the pressure cover 3 to rotate accordingly. The power mechanism 4 can provide a motor with speed power, and the speed regulating mechanism 41 can be a transmission amplification gear box for speed adjustment amplification, so as to provide the pressure cover 3 with high-speed rotation.

[0026] The outer sides of the top cover 18 and the base 42 are each provided with two or more through holes (not marked), and a bolt 421 for connecting the top cover 18 and the base 42 is provided in the center of the through hole, so that the top cover 18 and the base 42 are connected and fixed by the bolt 421. The bolt 421 can be threadedly connected to the through hole or a nut can be threadedly connected to the center of the bolt to fix the top cover 18 and the base 42.

[0027] The nail polish internal impurity filtering structure can filter nail polish and other oils, wherein the second stop valve 141 in the sewage pipe 14 is closed, and the first stop valve 131 in the center of the liquid outlet pipe 13 is opened, so that the nail polish and other oils to be processed enter the residue storage chamber 16 through the liquid inlet pipe 13 at high pressure, and enter the center of the filter cartridge 2 through the core hole 23 connected to the residue storage chamber 16, so that the filtered nail polish penetrates into the inner cavity 11 in the center of the barrel 1, and then the completely filtered nail polish enters the collection chamber 17 for collection and storage, and the end head 152 placed in the collection chamber 17 guides the nail polish out through the liquid outlet pipe 15; wherein when the filter cartridge 2 is filtering, the power mechanism 4 drives the gland 3 to rotate through the speed regulating mechanism 41, thereby driving the rubber sleeve 21 embedded in the central clamping cavity 33 of the gland 3 to rotate, so as to drive the filter cartridge 2 to The nail polish inside is subjected to high-speed rotating centrifugal treatment to improve the nail polish filtering treatment efficiency; when the filter cartridge 2 is blocked and needs to be cleaned, the first stop valve 151 in the center of the liquid outlet pipe 15 is closed, and the second stop valve 141 in the center of the sewage pipe 14 is opened, and the cleaning liquid enters the inner cavity 11 at high pressure through the recoil pipe 12, and reversely permeates through the inner cavity 11 to the core hole 23 in the center of the filter cartridge 2 to clean the filter cartridge 2, and the liquid mixed with impurities after cleaning directly falls into the residue storage chamber 16 and is discharged through the sewage pipe 14; and the arrangement of the first check valve 121 in the center of the recoil pipe 12 and the second check valve 131 in the center of the liquid inlet pipe 13 facilitates the cleaning liquid or nail polish to enter the inner cavity 11 or the residue storage chamber 16 at high pressure, thereby avoiding the situation in which the cleaning or filtering effect of the filter cartridge 2 is reduced due to the reflux of the cleaning liquid or nail polish.

[0028] The beneficial effects of the utility model are as follows: since a filter cartridge is arranged in the inner cavity at the center of the material cartridge, and the liquid outlet pipe is connected with the inner cavity, and the liquid inlet pipe is connected with the core hole at the center of the filter cartridge through the residue storage cavity, oil materials such as nail polish can enter the residue storage cavity and the core hole in turn through the liquid inlet pipe, and penetrate into the inner cavity after being filtered by the filter cartridge, so that the filter cartridge can effectively isolate and filter the residue particles of the nail polish, and temporarily store the filtered nail polish through the collection cavity, so that the liquid outlet pipe can quickly discharge the completely filtered nail polish, which is convenient for the filtering treatment and discharge effect of the nail polish; at the same time, the rubber sleeve above the filter cartridge is connected in the clamping cavity in the center of the pressure cover by interference fit, and the clamping disc movably connected to the outer side of the pressure cover is fixed under the base, so that the power When the mechanism rotates through the pressure cover, it can synchronously drive the filter cartridge to rotate, so that the filter cartridge has the effect of centrifugal separation of the nail polish, further improving the effect of filtering the nail polish through the filter cartridge, and effectively improving the efficiency of the nail polish filtering process; the recoil pipe is connected with the inner cavity, and the drain pipe is connected with the slag storage chamber, so that the external cleaning liquid flows into the inner cavity through the recoil pipe, and reversely flows into the core hole through the filter cartridge and falls into the slag storage chamber, so that the cleaning liquid can reversely flow into the core hole through the inner cavity to clean the filter cartridge, so that the filter cartridge can perform subsequent filtering treatment on the nail polish, and at the same time, the impurity particles temporarily stored in the slag storage chamber after cleaning can be discharged through the drain pipe, effectively improving the secondary filtering treatment effect of the structure on the nail polish.

[0029] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A nail polish internal impurity filtering structure, characterized in that: It includes a barrel and a filter barrel arranged inside the barrel, the upper end of the filter barrel is connected with a rubber sleeve, the lower end of the filter barrel is connected with a steel sleeve, and a core hole is arranged in the center of the filter barrel, a slag storage chamber connected with an inner cavity for placing the filter barrel and the core hole is arranged in the center of the barrel, the inner surface of the slag storage chamber is connected with a support bottom for supporting the steel sleeve, a pressure cover for fixing the rubber sleeve is arranged above the barrel, a chuck is movably connected to the outer side of the pressure cover, a base for fixing the chuck is arranged above the pressure cover, a power mechanism for driving the pressure cover to rotate is connected above the base, a recoil pipe and a liquid outlet pipe connected with the inner cavity are respectively arranged on both sides of the barrel, and a liquid inlet pipe and a sewage pipe connected with the slag storage chamber are arranged at the lower end of the barrel.

2. A nail polish internal impurity filtering structure according to claim 1, characterized in that: The outer diameter of the steel sleeve is larger than the outer diameter of the center of the filter cylinder and is sealed above the slag storage cavity. The steel sleeve is placed above the support bottom. A groove is provided in the center of the steel sleeve, and a convex ridge for embedding into the groove is connected above the support bottom.

3. A nail polish internal impurity filtering structure according to claim 1, characterized in that: A ball is movably connected between the pressure cover and the chuck, and a clamping cavity is arranged at the center of the pressure cover, and the clamping cavity and the rubber sleeve are interference-fitted.

4. A nail polish internal impurity filtering structure according to claim 3, characterized in that: A guide step is arranged on the side of the lower surface of the pressure cover facing the clamping cavity, and elastic pads are connected to the upper and lower surfaces of the chuck. The ball bearings may also be replaced by rollers or bearings.

5. The nail polish internal impurity filtering structure according to claim 1, characterized in that: A collecting chamber connected to the inner chamber is arranged at the lower side of the barrel, one end of the liquid outlet pipe is connected to a terminal located in the collecting chamber, and the center of the liquid outlet pipe is connected to a first stop valve.

6. The nail polish internal impurity filtering structure according to claim 1, characterized in that: The recoil pipe is connected to the upper side of the inner cavity, the center of the recoil pipe is connected to a first check valve, the liquid inlet pipe is connected to the side of the slag storage chamber, the sewage pipe is connected to the bottom of the slag storage chamber, the center of the liquid inlet pipe is connected to a second check valve, and the center of the sewage pipe is connected to a second stop valve.

7. A nail polish internal impurity filtering structure according to any one of claims 1 to 6, characterized in that: The upper end of the barrel is connected with a top cover which is detachably connected with the base, the chuck is located between the base and the top cover, and a speed regulating mechanism which is transmission-connected with the power mechanism is arranged in the center of the base, and the speed regulating mechanism is transmission-connected with the pressure cover.

8. A nail polish internal impurity filtering structure according to claim 7, characterized in that: The outer sides of the top cover and the base are each provided with more than two through holes, and the centers of the through holes are provided with bolts for connecting the top cover and the base.