WO2015016595A1 - Face washing device having make-up brush bristle assembly capable of easy attachment and detachment - Google Patents

Abstract

The present invention relates to a face washing device having a make-up brush bristle assembly capable of easy attachment and detachment, the face washing device comprising: an inner side brush bristle assembly and an outer side brush bristle assembly, the inner side brush bristle assembly being coupled to a power transmission means, and the outer side brush bristle assembly being coupled to the inner circumference of a case so that the inner brush bristle assembly and the outer brush bristle assembly are separately detachable and attachable, thereby facilitating the management of the brush bristle assemblies. The face washing device comprises: a case (100) for the face washing device consisting of a handle part (110) and a head part (120), a space part being formed inside the handle part (110) and the head part (120); an operation unit (200) for physically performing on/off switching operations, the operation unit being installed on one end of the handle part of the case for the face washing device; a power supply unit (300) which is inserted into the case for the face washing device in the form of a battery or configured as a secondary battery so that the face washing device can be used by being charged from an external power source; an electric motor (400), inserted into the case for the face washing device, which receives power from the power supply unit and rotates clockwise or counter-clockwise; a control unit (500) which controls the operation of the electric motor by turning on/off power supplied from the power supply unit to the electric motor according to an on/off signal from the operation unit; a power transmission means (600) which is installed at the head part of the case for the face washing device, while being coupled to an output shaft of the electric motor to rotate clockwise or counter-clockwise according to the rotational power of the electric motor; an inner side brush bristle assembly (700) having a cylindrical shape, the lower part of which is opened and the upper part of which has a plurality of brush bristles mounted thereon, the inner side brush assembly being coupled to the power transmission means and rotating clockwise or counter-clockwise according to the flow of the power transmission means to wash the face; and an outer side brush bristle assembly (800), coupled to the inner circumference of the head part of the case for the face washing device, which has a circular ring shape and a plurality of the brush bristles mounted on the upper part thereof while the inner brush bristle assembly penetrates the outer side brush bristle assembly through the space part in the center thereof.

Description

Face wash with detachable brush head assembly

The present invention relates to a cleansing device having a detachable cosmetic brush assembly, in particular, having an inner bristle assembly and an outer bristle assembly, the inner bristle assembly is coupled to a power transmission means, and the outer bristle A detachable cosmetic brush hair assembly, characterized in that the inner bristle assembly and the outer bristle assembly can be detachably attached to the inner periphery of the case so that the management of the brush hair assembly is made easier. It relates to a face-wash device having.

In general, the desire for beauty of the body is desired by everyone regardless of age and gender, and in order to pursue such a beauty of the body, in particular, the beauty of the skin, clean and systematic skin care is required. As a skin care manager has been developed and used, such a skin care manager is widely known and used in various forms according to the characteristics of the body to be used.

In particular, as a method for managing skin beauty of the face in the body, the most basic skin care is made using cosmetics, and the cosmetics currently used for skin care use functional cosmetics.

On the other hand, various devices for face washing have been proposed up to now, the method of simply rotating the washing brush, the method of generating vibration and the skin using a brushless electric motor to wash the face while rotating the area. There is a washing device.

Skin cleansing device using a brushless electric motor in the above is well described in Patent No. 10-1257256, the case 100 for the cleansing device; An operating unit 200 installed on the outside of the case to command on / off and reverse rotation switching of a predetermined angle unit; A power supply unit 300 installed at an inner end of the case; A brushless electric motor 400 installed inside the case and operated by receiving power from a power supply unit according to a switching signal of an operation unit, and rotating forward and backward by a predetermined angle unit; A control unit 500 for outputting an electric signal for controlling the forward and reverse rotation of the brushless electric motor at a predetermined angle according to the switching signal of the operation unit; The brushless electric motor

A face-washing brush 600 fitted to the shaft of 400 and rotating forward and reverse according to the operation of the brushless electric motor; The control unit 500 rectifies and smoothes AC power to supply DC power, and includes a rectifier 510 including a rectifier 511 and a smoothing capacitor 512; The DC power supplied from the rectifier 510 is converted into a three-phase AC power (U, V, W) in the form of a pulse having an arbitrary variable frequency, and is supplied to the BLD motor 400. The six switching elements (Q1) Q6) and an inverter 530 composed of a diode; A terminal voltage detector 560 for detecting terminal voltages of the respective phases U, V, and W from the three-phase AC power supplied to the BLD motor 400; According to the terminal voltage of each phase (U, V, W) detected by the terminal voltage detector 560, the zero crossing point ZCP of the counter electromotive force is detected to obtain the position information of the rotor, and supplied to the inverter 30. A control circuit 570 for controlling the pattern of the PWM signal to be controlled so that the rotor of the motor rotates forward and reverse at a predetermined angle; It is characterized in that it comprises a PWM signal generator 580 for generating a pattern of the PWM signal by the output of the control circuit 570 to supply to the inverter 530.

And, the appearance is combined with the brush for washing the shaft of the brushless electric motor, according to the forward and reverse rotation of the brushless electric motor, the face for the brush is to be rotated forward and backward, the face wash using this.

However, in the structure as described above, there was a problem of splashing to the outside in the process of washing the foreign matter remaining on the face as the face-wash brush rotates.

In other words, when the face brush is rotated, the face is rubbed. At this time, if the liquid content remains, the fluid flows in accordance with the rotation of the face brush and splashes in all directions, which is a hygienic problem.

The present invention is to solve the above problems, the inner brush bristle assembly and the outer brush bristle assembly is provided separately, the inner bristle assembly is coupled to the power transmission means, and the outer bristle assembly of the case Cleansing device that maximizes assembly by fitting to inner circumference to filter out foreign substances with the outer bristle assembly stopped when the inner bristle assembly flows, and to separate and clean only the outer bristle assembly when cleaning is required The purpose is to provide.

In addition, an object of the present invention is to configure the brush bristle in a variety of materials to make the face easier to clean.

As a means for achieving the above object,

The present invention consists of a handle portion 110 and the head portion 120, the case 100 for a cleansing device is formed in the interior of the handle portion 110 and the head portion 120; An operation part 200 installed at one end of the handle part of the case for the cleansing device and physically exerting an on / off switching action; A power supply unit 300 inserted into the case of the face wash device or configured as a secondary battery to charge and use external power; An electric motor 400 inserted into the case for the cleansing device and provided with power from a power supply and rotating clockwise or counterclockwise; A control unit 500 for controlling the operation of the electric motor by intermitting the power supply of the power supply unit provided to the electric motor according to the on / off signal of the operation unit; A power transmission unit (600) installed on the head of the case for the face washing apparatus and coupled to the output shaft of the electric motor and rotating clockwise or counterclockwise according to the rotational power of the electric motor; The lower portion is an open cylindrical shape and is made by mounting a plurality of bristle on the upper, the inner bristle assembly coupled to the power transmission means for washing the face while rotating clockwise or counterclockwise according to the flow of the power transmission means ( 700); It consists of a circular ring shape coupled to the inner circumference of the head portion of the case for the face wash device, the inner brush bristle assembly penetrates through the central space portion, and includes an outer brush bristle assembly 800 which is equipped with a plurality of bristle on the top It is characterized by

In addition, the outer side of the power transmission means 600 is formed in a cylindrical shape in which concave and convex portions are formed in the continuous, correspondingly the inner side of the inner brush bristle assembly 700 coupled to the power transmission means correspondingly It is characterized by forming a.

In addition, a protrusion 810 is formed on the outside of the outer bristle assembly 800, and correspondingly, a groove 121 having a needle-shaped shape is formed in the head portion 120 of the case 100 for the face washing apparatus. Is characteristic.

In addition, the end of the bristle 701 constituting the inner bristle assembly 700 is characterized in that the rounded arc.

In addition, the inner bristle assembly 700 and the outer bristle assembly 800 is characterized in that the material is made of any one selected from nylon or polybutylene terephthalate resin or thermoplastic elastomer.

In addition, each of the bristles 701 and 801 constituting the inner bristle assembly 700 and the outer bristle assembly 800 has a thickness of 63 ± 10 μm.

In addition, the length of each brush bristle 701, 801 constituting the inner bristle assembly 700 and the outer bristle assembly 800 is 9.0 ± 1.0mm.

In addition, each of the bristles 701 and 801 constituting the inner bristle assembly 700 and the outer bristle assembly 800 is characterized by consisting of 90,000-120,000.

As described above, the present invention includes an inner bristle assembly and an outer bristle assembly separately, and the inner bristle assembly is fitted to the power transmission means, and the outer bristle assembly is fitted to the inner circumference of the case. When the inner bristle assembly flows, it filters out foreign substances with the outer bristle assembly stopped, and when washing is necessary, the outer bristle assembly can be easily separated and washed to provide a cleansing device that maximizes assembly. .

In addition, by providing a bristle of a variety of materials has the effect of making the face wash more easily.

1 is a perspective view showing the overall configuration of the present invention.

2 is a vertical cross-sectional view taken along the line A-A of FIG.

Figure 3 is a perspective view showing the output shaft of the electric motor in the present invention.

Figure 4 is a state in which the power transmission means coupled to the output shaft of the electric motor in the present invention.

Figure 5 is a state diagram coupled the inner bristle assembly to the power transmission means in the present invention.

Figure 6 is a state in which the outer brush bristle assembly coupled to the case for the cleansing device in the present invention.

7 is a conceptual view showing the coupling of the power transmission means and the inner brush bristle assembly in the present invention.

8 is a front perspective view and a rear perspective view of the outer bristle assembly of the present invention.

9 is a front perspective view and a rear perspective view of the inner bristle assembly of the present invention.

10 is a front perspective view and a rear perspective view of the power transmission means of the present invention.

11 is a circuit block diagram of the present invention.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below.

In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the present invention.

In addition, preferred embodiments of the present invention to be carried out below are already provided in each system functional configuration to efficiently describe the technical components constituting the present invention, or system functions commonly provided in the technical field to which the present invention belongs. The configuration will be omitted, and described mainly on the functional configuration to be additionally provided for the present invention.

If those skilled in the art to which the present invention pertains, it will be able to easily understand the function of the components already used in the prior art among the omitted functional configuration not shown below, and also the configuration omitted as described above The relationship between the elements and the components added for the present invention will also be clearly understood.

In addition, the following examples will be used to appropriately modify the terms so that those skilled in the art to clearly understand the essential technical features of the present invention, by which the present invention, It is by no means limited.

As a result, the technical spirit of the present invention is determined by the claims, and the following embodiments are one means for efficiently explaining the technical spirit of the present invention to those skilled in the art to which the present invention pertains. It's just

1 is a perspective view showing the overall configuration of the present invention.

2 is a vertical cross-sectional view taken along the line A-A of FIG.

Figure 3 is a perspective view showing the output shaft of the electric motor in the present invention.

Figure 4 is a state in which the power transmission means coupled to the output shaft of the electric motor in the present invention.

Figure 5 is a state diagram coupled the inner bristle assembly to the power transmission means in the present invention.

Figure 6 is a state in which the outer brush bristle assembly coupled to the case for the cleansing device in the present invention.

7 is a conceptual view showing the coupling of the power transmission means and the inner brush bristle assembly in the present invention.

8 is a front perspective view and a rear perspective view of the outer bristle assembly of the present invention.

9 is a front perspective view and a rear perspective view of the inner bristle assembly of the present invention.

10 is a front perspective view and a rear perspective view of the power transmission means of the present invention.

11 is a circuit block diagram of the present invention.

The present invention is a case for washing device 100, the operation unit 200, the power supply unit 300, the electric motor 400, the control unit 500, the power transmission means 600, the inner brush head Assembly 700 and outer bristle assembly 800.

The cleansing device case 100 may be divided into a handle part 110 and a head part 120. A space part is formed inside the handle part 110 and the head part 120 to generate power in the space part. The electric motor 400 is inserted and installed.

The operation unit 200 is installed at one end of the handle portion of the case for the face wash device to physically exercise the on-off switching action.

The power supply unit 300 is inserted in the form of a battery in the case for the face-washing device, it may be configured as a secondary battery to charge the external power.

The electric motor 400 is inserted into the case for the face wash device and the power is supplied from the power supply and rotates clockwise or counterclockwise.

The control unit 500 controls the operation of the electric motor by interrupting the power supply of the power supply unit provided to the electric motor according to the on / off signal of the operation unit.

The power transmission means 600 is installed in the head portion of the case for the face wash device, coupled to the output shaft of the electric motor is rotated clockwise or counterclockwise according to the rotational power of the electric motor, the concave portion and the convex portion on the outside It consists of a cylindrical shape in which continuous irregularities are formed.

The inner bristle assembly 700 is formed by mounting a plurality of bristle on the top of the cylindrical shape of the lower open, the irregularities formed on the inner circumference to be coupled to the power transmission means. Accordingly, when the inner brush bristle assembly is coupled to the power transmission means, it is firmly coupled by the one-touch coupling, and the undercut is manufactured so that it is not easily detached to the outside.

The outer bristle assembly 800 is formed in a circular ring shape is coupled to the inner circumference of the head portion of the case for the face wash device, the inner bristle assembly penetrates through the central space portion, a plurality of bristle is mounted on the top.

The brush bristle 701 coupled to the inner bristle assembly 700 is preferably rounded at the ends, and when the bristle bristle 701 is treated, the brush bristle is smoothly smoothed without giving a strong irritation to the face. It is possible to wash the face of the user more easily while wetting, and also provide a massage effect.

In addition, the inner brush bristle assembly 700 forms five rows of holes 700a, and forms six, twelve, twenty-one, twenty-seven, and thirty three from the innermost. In addition, the outer brush bristle assembly 800 forms a total of two rows of holes 800a, each of which forms 39.

The size of the hole is 1.8 to 2.0mm in width, and the depth is preferably formed in 3.6mm, it is to combine 450 to 850 brush bristle in one hole.

In addition, each of the bristles constituting the inner bristle assembly 700 and the outer bristle assembly 800 has a thickness of 63 ± 10㎛, the length is preferably 9.0 ± 1.0mm, the total number of seedlings is 90,000 -12 is preferred.

In the present invention, the brush bristles 701 and 801 mounted to the inner bristle assembly 700 and the outer bristle assembly 800 may be made of nylon, polybutylene terephthalate resin, or thermoplastic elastomer.

Looking at the assembly method of the present invention as follows.

The present invention is a case for washing device 100, the operation unit 200, the power supply unit 300, the electric motor 400, the control unit 500, the power transmission means 600, the inner brush head Consists of the assembly 700 and the outer brush bristle assembly 800, the power supply unit 300, the electric motor 400 and the control unit 500 is inserted into the inner space of the case 100 for the face wash device , The operating unit 200 is installed on the outside of the case 100 for the cleansing device.

In addition, the power transmission means 600 is installed in the head portion 120 of the case 100 for the cleansing device, the power transmission means 600 is coupled to the output shaft 410 of the electric motor 400. .

In this state, the user can detach the inner bristle assembly 700 and the outer bristle assembly 800, the inner bristle assembly 700 is coupled to the power transmission means 600, the outer bristle assembly 800 ) Is coupled through the inner periphery of the head portion 120 of the case 100 for a face wash device.

In this case, the inner brush bristle assembly 700 is mutually coupled to the concave-convex portion 610 of the power transmission means 600 and is coupled through an undercut and is not easily pulled out unless it is forced out once combined.

In addition, the outer brush bristle assembly 800 may be coupled by rotating after one-touch coupling or insertion at the time of coupling to the inner circumference of the head portion 120 of the case 100 for the face washing apparatus. A protrusion 810 may be formed on the outer side of the), and the groove portion 121 having a needle-shaped shape may be formed in the head portion 120 of the case 100 for the face washing apparatus.

Accordingly, when the outer brush bristle assembly 800 is coupled, the protrusion 810 of the outer brush bristle assembly 800 is coupled while being inserted into the groove 121 of the case head portion 120 of the face washing apparatus, so that it is not easily separated. Design it all.

Subsequently, the inner bristle assembly 700 or the outer bristle assembly 800 may be separately separated, if necessary, when the outer bristle assembly 800 is separated from the case 100 for the face washing apparatus. When the parent assembly 800 is rotated constantly and separated to the outside, when removing the inner brush hair assembly 700 from the power transmission means 600, grab by hand and forcibly pull.

That is, in the present invention, since the outer bristle assembly 800 and the inner bristle assembly 700 are assembled separately, necessary parts can be more easily separated.

In fact, foreign matters generated at the time of face wash accumulate on the outer brush bristle assembly 800, so they must be separated and washed frequently. In this case, only the outer brimo assembly 800 can be easily separated from the case 100 for the face washing apparatus. This is maximized.

Hereinafter, the overall operation of the present invention will be described.

When the user turns on the operating unit 200, the electric motor 400 operates.

When the electric motor 400 rotates forward and reversely, the power transmission means 600 rotates forward or reversely, and the inner brush head assembly 700 fitted to the power transmission means 600 rotates forward or backward. Rotate in reverse.

When the inner bristle assembly 700 is rotated forward and backward, the outer bristle assembly 800 is fixed without moving, and thus, the inner brush bristle assembly 700 is fixed to the face in the process of reverse rotation. Even if the washing is not stuck to the outside of the brush bristle 801 constituting the outer brush bristle assembly 800 is caught and all caught.

That is, since the inner bristle assembly 700 rotates forward and backward, but the outer bristle assembly 800 maintains a stationary state, the outer bristle assembly (even the foreign bristle splashes in the process of reverse rotation). The brush bristle 801 constituting the 800 is to hold all the foreign matter is not splashed to the outside.

In addition, the end of the brush bristle 701 constituting the inner brush bristle assembly 700 is rounded so that the end of the brush bristle is smoothly polished without giving a strong irritation to the face, thereby softening the user's face more smoothly and more easily. It can be done, and also provides a massage effect.

When the face wash is finished in the above, separate the outer brush bristle assembly 800 is attached to the foreign matter, rinse only the outer brush bristle assembly 800 with water or wash using a cleaning solution and then again the case 100 for the face wash device Just plug it in.

Hereinafter, the effects of the present invention when the brush hairs 701 and 801 are formed of various materials will be described.

end. Nylon face wash brush

In the case of using the nylon facial cleansing brush of the present invention look at the effect compared to hand-washing as follows.

(1) ball pores

Table 1 Hand washing nylon Before use 45.26 37.86 after use 35.00 19.91 Reduction 22.70% 48.56%

In the above, the pores counted the number of pores of a certain diameter or more in the ball pores, and when washed by hand, showed a reduction rate of 22.70%, but the result of 48.56% of the result of washing the brush head of the nylon material by forward and reverse rotation Pore reduction rate is shown. Accordingly, it can be seen that the effect of reducing pores in the ball area is very large when using the facial cleansing brush made of nylon according to the present invention.

(2) nasal pores

TABLE 2 Hand washing nylon Before use 12.23 15.43 Immediately after use 10.82 12.39 2 weeks later 10.92 11.65 4 weeks later 9.96 11.06 Reduction rate (4 weeks) 18.6% 28.3%

In the above pores counted the number of pores of a certain diameter in the pores of the nasal pores, and when washed by hand, showed a reduction rate of 18.6% after 4 weeks, the result of washing the brush hair made of nylon material in the forward and reverse rotation 28.3 The percentage of pores reduction was shown. Accordingly, it can be seen that the effect of reducing the pore area of the nose when using the facial cleansing brush of the nylon material of the present invention is very large.

(3) keratin

TABLE 3 Hand washing nylon Before use 7.22 7.45 Immediately after use 6.54 6.36 2 weeks later 5.61 5.37 4 weeks later 5.41 4.34 Reduction rate (4 weeks) 25.1% 41.7

As a result of comparing the exfoliation state in the above, when washing by hand, it showed a 25.1% reduction rate after 4 weeks, the result of washing by brushing the brush hair of the nylon material of the present invention showed a reduction rate of 41.7%. Accordingly, it can be seen that the exfoliation effect is very large when the facial cleansing brush of the nylon material of the present invention is used.

(4) pigmentation skin changes

Table 4 Hand washing nylon Before use 146.00 129.28 2 weeks later 145.65 121.80 4 weeks later 145.57 116.81 Reduction rate (4 weeks) 0.3% 9.6%

The change in skin brightness is the analysis of the melanin index of the pigmentation site, and when washed by hand showed a 0.3% reduction after 4 weeks, but the result of washing by rotating the brush hair of the nylon material of the present invention 9.6% reduction Indicated. Accordingly, it can be seen that when the nylon facial cleansing brush of the present invention is used, the melanin index decreases and the skin turns bright.

(5) Eye wrinkles (um, Rmax (maximum wrinkle depth))

Table 5 Hand washing nylon Before use 223.11 185.53 2 weeks later 218.50 176.64 4 weeks later 219.19 167.04 Reduction rate (4 weeks) 1.8% 10.0%

In case of washing by hand as described above, the depth reduction rate of the eye wrinkles was only 1.8%, and the brush hair of the nylon material of the present invention was reversed and washed to show a reduction rate of 10.0%. Accordingly, it can be seen that when using the nylon facial cleansing brush of the present invention, the rate of reduction of wrinkles around the eyes appears high.

I. Face wash brush made of PBT

In the present invention, the brush hair is made of polybutylene terephthalate resin material, the polybutylene terephthalate resin (also referred to as PBT) is essentially composed of diol and terephthalic acid consisting essentially of butanediol. Condensation product of diacids.

When using a face wash brush made of polybutylene terephthalate resin of the present invention look at the efficacy effect compared to hand wash as follows.

(1) ball pores

Table 6 Hand washing PBT Before use 45.26 49.23 after use 35.00 27.09 Reduction 22.70% 44.93%

In the above, the pores counted the number of pores of a predetermined diameter or more in the ball pores, and when washed by hand, showed a reduction rate of 22.70%. However, the pores of the polybutylene terephthalate resin material of the present invention were washed forward and backward. As a result, pore reduction was 44.93%. Accordingly, it can be seen that the effect of reducing the pore of the cheek area is very large when the face-wash brush made of polybutylene terephthalate resin material of the present invention is used.

(2) nasal pores

TABLE 7 Hand washing PBT Before use 12.23 10.23 Immediately after use 10.82 8.82 2 weeks later 10.92 7.72 4 weeks later 9.96 7.64 Reduction rate (4 weeks) 18.6% 25.3%

In the above, the pores counted the number of pores above a certain diameter in the nasal pores, and when washed by hand, showed a decrease rate of 18.6% after 4 weeks, but the brush hair made of the polybutylene terephthalate resin material of the present invention was rotated forward and backward. The result of facial cleansing was 25.3%. Accordingly, it can be seen that the effect of reducing the pore area of the nose when using the face-washing brush made of polybutylene terephthalate resin of the present invention is very large.

(3) keratin

Table 8 Hand washing PBT Before use 7.22 7.57 Immediately after use 6.54 6.53 2 weeks later 5.61 5.50 4 weeks later 5.41 5.01 Reduction rate (4 weeks) 25.1% 33.8%

As a result of comparing the exfoliation state, when washing by hand, it showed a 25.1% reduction rate after 4 weeks, but the result of washing the brush head of the polybutylene terephthalate resin material of the present invention by forward and reverse washing showed a reduction rate of 33.8%. It was. Accordingly, it can be seen that the exfoliation effect is very large when the face-wash brush made of polybutylene terephthalate resin material of the present invention is used.

(4) pigmentation skin changes

Table 9 Hand washing PBT Before use 146.00 124.00 2 weeks later 145.65 118.67 4 weeks later 145.57 116.67 Reduction rate (4 weeks) 0.3% 5.9%

The change in the brightness of the skin is the analysis of the melanin index of the pigmentation site, when washing by hand showed a 0.3% reduction after 4 weeks, but washed by rotating the brush head of the polybutylene terephthalate resin material of the present invention The result showed a decrease of 5.9%. Accordingly, when the face-washing brush made of polybutylene terephthalate resin of the present invention is used, it can be seen that the melanin index decreases and the skin turns bright.

(5) Eye wrinkles (um, Rmax (maximum wrinkle depth))

Table 10 Hand washing PBT Before use 223.11 245.05 2 weeks later 218.50 233.58 4 weeks later 219.19 228.54 Reduction rate (4 weeks) 1.8% 6.7%

When face-washed by hand as described above, the depth reduction rate of the eye wrinkles is only 1.8%, the face of the polybutylene terephthalate resin material of the present invention after the face-to-back line washing the face showed a reduction rate of 6.7%. Accordingly, it can be seen that when the face-wash brush made of polybutylene terephthalate resin according to the present invention has a high reduction rate of wrinkles around the eyes.

All. Face wash brush made of TPE

In the present invention, the bristle is made of a TPE material, the TPE refers to a thermoplastic elastomer (thermoplastic elastomer) can be molded like plastic that becomes flexible at high temperatures, at room temperature is a polymer material that has the properties of rubber elastomer (elastomer) . Thermoplastic elastomers (TPE) can be used as many methods used in normal thermoplastic processing as it is, it is possible to re-use the residue generated during processing, excellent in economical efficiency, no need to use a plasticizer.

When using the face-washing brush of the thermoplastic elastomer (TPE) of the present invention look at the efficacy effect compared to hand-washing as follows.

(1) ball pores

Table 11 Hand washing TPE Before use 45.26 53.78 after use 35.00 35.35 Reduction 22.70% 41.39%

In the above, the pores counted the number of pores of a predetermined diameter or more in the ball pores, and when washed by hand, showed a reduction rate of 22.70%, but the result of washing the brush head of the thermoplastic elastomer material of the present invention by washing it forward and backward 41.39% Pore reduction rate is shown. Accordingly, it can be seen that the effect of reducing the pore of the ball area is very large when the face-washing brush made of the thermoplastic elastomer of the present invention is used.

(2) nasal pores

Table 12 Hand washing TPE Before use 12.23 14.32 Immediately after use 10.82 10.80 2 weeks later 10.92 9.99 4 weeks later 9.96 9.80 Reduction rate (4 weeks) 18.6% 31.6%

In the above, the pores counted the number of pores of a predetermined diameter or more in the nasal pores, and when washed by hand, showed a reduction rate of 18.6% after 4 weeks, but the result of washing the brush hair of the thermoplastic elastomer material of the present invention by forward and reverse rotation The pore reduction rate was 31.6%. Accordingly, it can be seen that the effect of reducing the pore area of the nose when using the face-washing brush of the thermoplastic elastomer material of the present invention is very large.

(3) keratin

Table 13 Hand washing TPE Before use 7.22 7.60 Immediately after use 6.54 6.20 2 weeks later 5.61 5.39 4 weeks later 5.41 4.24 Reduction rate (4 weeks) 25.1% 44.2%

As a result of comparing the exfoliation state, when washing by hand, it showed a 25.1% reduction rate after 4 weeks, but as a result of washing by rotating the brush head of the thermoplastic elastomer material of the present invention, the reduction rate was 44.2%. Accordingly, it can be seen that the exfoliation effect is very large when the facial cleansing brush of the thermoplastic elastomer of the present invention is used.

(4) pigmentation skin changes

Table 14 Hand washing TPE Before use 146.00 126.67 2 weeks later 145.65 121.67 4 weeks later 145.57 117.67 Reduction rate (4 weeks) 0.3% 9.2%

The change in the brightness of the skin is the analysis of the melanin index of the pigmentation site, and when washed by hand showed a 0.3% reduction rate after 4 weeks, after washing the brush head of the thermoplastic elastomer material of the present invention to wash the face of 9.2% Reduction rate was shown. Accordingly, it can be seen that the melanin index decreases when the facial cleansing brush made of the thermoplastic elastomer of the present invention is reduced, thereby brightening the skin.

(5) Eye wrinkles (um, Rmax (maximum wrinkle depth))

Table 15 Hand washing TPE Before use 223.11 196.11 2 weeks later 218.50 190.84 4 weeks later 219.19 186.61 Reduction rate (4 weeks) 1.8% 4.8%

In the case of washing by hand as described above, the depth reduction rate of the eye wrinkles was only 1.8%, and the result of washing the brush head of the thermoplastic elastomer material of the present invention by forward and reverse washing showed a reduction rate of 4.8%. Accordingly, it can be seen that the reduction rate of the wrinkles around the eyes appears to be high when the face washing brush of the thermoplastic elastomer material of the present invention is used.

[Description of the code]

100: case for cleansing device

200: operating part

300: power supply

400: brushless electric motor

500: control unit

600: power transmission means

700: inner bristle assembly

800: outer bristle assembly

Claims (8)

A face wash device case (100) formed of a handle part (110) and a head part (120) and having a space part formed in the handle part (110) and the head part (120); An operation part 200 installed at one end of the handle part of the case for the cleansing device and physically exerting an on / off switching action; A power supply unit 300 inserted into the case of the face wash device or configured as a secondary battery to charge and use external power; An electric motor 400 inserted into the case for the cleansing device and provided with power from a power supply and rotating clockwise or counterclockwise; A control unit 500 for controlling the operation of the electric motor by intermitting the power supply of the power supply unit provided to the electric motor according to the on / off signal of the operation unit; A power transmission unit (600) installed on the head of the case for the face washing apparatus and coupled to the output shaft of the electric motor and rotating clockwise or counterclockwise according to the rotational power of the electric motor; An inner brush head assembly 700 having a cylindrical shape having an open lower portion and having a plurality of brush hairs mounted thereon, which is coupled to the power transmission means and washes the face while rotating clockwise or counterclockwise according to the flow of the power transmission means 700. )Wow; It consists of a circular ring shape coupled to the inner circumference of the head portion of the case for the face wash device, the inner brush bristle assembly penetrates through the central space portion, and includes an outer brush bristle assembly 800 which is equipped with a plurality of bristle on the top But The outer side of the power transmission means 600 is formed in a cylindrical shape in which concave and convex portions are formed continuously, and correspondingly inside the inner bristle assembly 700 coupled to the power transmission means 600 A facial cleansing device having an easily detachable cosmetic bristle assembly, characterized by forming irregularities. A face wash device case (100) formed of a handle part (110) and a head part (120) and having a space part formed in the handle part (110) and the head part (120); An operation part 200 installed at one end of the handle part of the case for the cleansing device and physically exerting an on / off switching action; A power supply unit 300 inserted into the case of the face wash device or configured as a secondary battery to charge and use external power; An electric motor 400 inserted into the case for the cleansing device and provided with power from a power supply and rotating clockwise or counterclockwise; A control unit 500 for controlling the operation of the electric motor by intermitting the power supply of the power supply unit provided to the electric motor according to the on / off signal of the operation unit; A power transmission unit (600) installed on the head of the case for the face washing apparatus and coupled to the output shaft of the electric motor and rotating clockwise or counterclockwise according to the rotational power of the electric motor; An inner brush head assembly 700 having a cylindrical shape having an open lower portion and having a plurality of brush hairs mounted thereon, which is coupled to the power transmission means and washes the face while rotating clockwise or counterclockwise according to the flow of the power transmission means 700. )Wow; It consists of a circular ring shape coupled to the inner circumference of the head portion of the case for the face wash device, the inner brush bristle assembly penetrates through the central space portion, and includes an outer brush bristle assembly 800 which is equipped with a plurality of bristle on the top But Protruding portion 810 is formed on the outside of the outer brush bristle assembly 800, and corresponding to the head portion 120 of the case 100 for a face wash device formed by forming a needle-shaped groove 121 A facial cleansing device having an easily detachable cosmetic brush hair assembly. The method according to claim 1 or 2, The inner brush bristle assembly 700 is a cleansing device having a detachable cosmetic brush bristle assembly, characterized in that the undercut coupled with the power transmission means 600 so as not to be separated to the outside. The method according to claim 1 or 2, Facial cleansing device having a detachable cosmetic brush bristles, characterized in that the end of the brush bristle (701) constituting the inner brush bristle assembly (700) rounded. The method according to claim 1 or 2, The inner brush bristle assembly 700 and the outer brush bristle assembly 800 are made of any one material selected from nylon or polybutylene terephthalate resin or thermoplastic elastomer. Cleansing device having a brush bristle assembly. The method according to claim 1 or 2, Each of the bristles 701 and 801 constituting the inner bristle assembly 700 and the outer bristle assembly 800 has a thickness of 63 ± 10 μm. Having a face wash device. The method according to claim 1 or 2, The length of each brush bristle 701, 801 constituting the inner bristle assembly 700 and the outer bristle assembly 800 is 9.0 ± 1.0mm for easy detachable cosmetic brush bristle assembly, characterized in that Having a cleansing device. The method according to claim 1 or 2, Each of the bristles 701 and 801 constituting the inner bristle assembly 700 and the outer bristle assembly 800 is made up of 90,000 to 120,000 bristles. Washing device having.

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