KR102663386B1 - chemical liquid application device - Google Patents

Abstract

The present invention relates to a chemical liquid application device, in which a chemical liquid is injected into an internal storage space through an inlet at the top, an upper body with a passage formed at the lower end, and a coupling space concavely formed at the upper end, where the lower ends of the upper body are male and female. A lower body that is coupled, a discharge pipe that protrudes from the lower surface of the lower body, has a length up and down, and has an internal passage passing up and down, and is rotatably positioned in the passage, and the lower end protrudes toward the lower part of the discharge pipe to contact the scalp. Contains a spherical contact ball.

Description

Chemical liquid application device}

The present invention relates to a chemical solution application device, and more specifically, to a chemical solution application device capable of applying a chemical solution for preventing hair loss to the scalp.

In general, a method of massaging the scalp using fingertips or a comb to alleviate hair loss or increase hair growth is used to ensure smooth supply of blood and nutrients to the scalp.

In addition, various functional liquids for alleviating hair loss and hair growth have been developed and supplied to the market, and functional liquids are used by spraying them on the scalp or applying the solution to a comb to comb the hair.

Recently, it has been widely used as a scalp massage device to alleviate hair loss by continuously stimulating the scalp. This scalp massage device consists of a main body that the user can hold with his or her hand, a protrusion provided on one side of the main body and in contact with the scalp, a driving part that vibrates the protruding part, and a battery that supplies driving power to the driving part.

However, the conventional scalp massage device requires a structure and driving power to move the protrusions, so the structure is complicated and there is the inconvenience of charging and replacing the battery, and there is no function for applying the chemical solution to the scalp, so it is difficult to apply the chemical solution to the scalp. A lot of time had to be invested in the massage process.

Prior literature related to the invention includes Republic of Korea Patent Publication No. 10-1470281 (December 1, 2014), which discloses a skin and scalp massage device using acoustic pressure.

The purpose of the present invention is to provide a chemical application device that can apply a chemical solution for preventing hair loss directly to the scalp, improving the application performance of the chemical solution, and enabling combing and massaging during the chemical application process, thereby efficiently managing the scalp. there is.

In the chemical application device according to the present invention, the chemical liquid is injected into the internal storage space through an inlet at the top, and the upper body with a passage is formed at the bottom, and the lower ends of the upper body are male and female connected to the coupling space concavely formed at the top. a lower body, a discharge pipe that protrudes from the lower surface of the lower body, has a length up and down, and has an internal flow passage passing up and down, and is rotatably positioned in the flow passage, the lower end of which is lowered to the lower part of the discharge pipe so as to contact the scalp. It includes a protruding spherical contact ball, wherein the contact ball discharges the chemical solution flowing into the passage, the coupling space, and the flow path downward by rotation.

In addition, it may further include a plurality of protruding pins that protrude from the lower surface of the lower body and have lengths up and down, and contact protrusions that protrude from the lower ends of the protruding pins and form a convex curved surface downward.

In addition, a cover is coupled to the bottom of the upper body to close the lower part of the storage space, the passage passes up and down, and an installation groove is formed along an edge, the inner side is inserted into the installation groove, and the outer side is inserted into the installation groove. It may further include a ring-shaped sealing member that is in close contact with the inner surface of the upper body and is made of an elastically deformable material.

In addition, a lower seating groove is formed concavely on the bottom surface of the coupling space and where the flow path is located in the inner area, and a push pin that is seated corresponding to the lower seating groove and protrudes from the bottom passes through the upper part of the flow path. A support member is each inserted and has an auxiliary flow path penetrating up and down inside the push pin, and a support member is inserted into the inside of the flow path to apply a compressive elastic force in the up and down direction, and the upper and lower ends are the top of the contact ball and the push pin. Elastic members each elastically support the lower ends of the cover, an upper seating groove formed concavely at the bottom of the cover so that the supporting members are inserted correspondingly, and where the passage is located in the inner area, and an edge of the upper seating groove is wrapped around the inner region. The upper end of the cover is coupled to the lower end of the cover, the lower end protrudes from the lower part of the cover and is in close contact with the bottom surface of the coupling space, and may further include a ring-shaped auxiliary sealing member made of an elastically deformable material.

In addition, a protrusion protrudes from the top of the upper body to form a circumference at an edge, and a protrusion at the top of which the inlet penetrates upward and downward, and which penetrates the top of the protrusion up and down and are located on both sides of the inlet, respectively, and the circumference of the protrusion A pair of guide holes curved along a direction, a lifting groove concavely formed at the bottom to allow the upper end of the protrusion to be inserted, and a lifting portion that can be raised and lowered between the open and closed positions, and a lower surface of the lifting groove. It protrudes from the top and has a length up and down, has an internal ventilation hole passing through it up and down, and is coupled to an air inlet pipe whose lower end is inserted into the passage when the lifting unit is lowered to the closed position, and surrounds the edge of the air inlet pipe. A ring-shaped opening and closing member is made of an elastically deformable material and has a lower end in elastic contact with the inner peripheral surface of the passage when the lifting unit is lowered to the closed position, and a ring-shaped opening and closing member that protrudes from the lower surface of the lifting groove and is positioned on both sides of the air inlet pipe. It may further include a pair of guide protrusions, which are each positioned and have a locking end protruding from one opposing side, wherein the guide protrusions are inserted through the upper part of the guide hole, and when the elevating part rises to the open position, the locking end The upper end of may be positioned on the lower surface of the lifting unit.

In the present invention, a chemical solution for preventing hair loss can be applied directly to the scalp, so that the chemical solution can be uniformly applied to the scalp. Combing is possible during the process of applying the chemical solution, thereby improving convenience of use, and the process of applying the chemical solution can be improved. Since scalp massage is possible, it has the effect of helping scalp health.

In addition, the present invention can reduce the frictional force applied to the scalp during the process of applying the drug solution, thereby relieving pain, and the remaining used drug solution can be stored in a sealed state, which has the effect of reducing the waste of the drug solution. .

Figure 1 is a perspective view showing a chemical solution application device according to the present invention.
Figure 2 is an exploded perspective view showing the chemical liquid application device according to the present invention.
Figure 3 is a side view showing the chemical liquid application device according to the present invention.
Figure 4 is a plan view showing the guide hole of the chemical liquid application device according to the present invention.
Figure 5 is a bottom view showing the chemical solution application device according to the present invention.
Figure 6 is a side cross-sectional view showing each component of the chemical application device according to the present invention in a separated state.
Figure 7 is a side cross-sectional view showing a state in which each component of the chemical liquid application device according to the present invention is combined.
Figure 8 is a side cross-sectional view showing a state in which the lifting part of the chemical liquid application device according to the present invention is raised to the open position.
Figure 9 is a side cross-sectional view showing the state in which the guide tube and the elastic support part are applied to the chemical application device according to the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings.

The advantages and features of the present invention and how to achieve it will become clear by referring to the embodiments described in detail below along with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms, but the present embodiments only serve to ensure that the disclosure of the present invention is complete and are within the scope of common knowledge in the technical field to which the present invention pertains. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

Additionally, in describing the present invention, if it is determined that related known techniques may obscure the gist of the present invention, detailed description thereof will be omitted.

Figure 1 is a perspective view showing a chemical solution application device according to the present invention, Figure 2 is an exploded perspective view showing the chemical solution application device according to the present invention, and Figure 3 is a side view showing the chemical solution application device according to the present invention. , Figure 4 is a plan view showing the guide hole of the chemical liquid application device according to the present invention, and Figure 5 is a bottom view showing the chemical liquid application device according to the present invention.

Figure 6 is a side cross-sectional view showing each component of the chemical application device according to the present invention in a separated state, and Figure 7 is a side cross-sectional view showing each component of the chemical application device according to the present invention in a combined state, Figure 8 is a side cross-sectional view showing a state in which the lifting part of the chemical liquid application device according to the present invention is raised to the open position, and Figure 9 is a side cross-sectional view showing a state in which the guide tube and the elastic support part are applied to the chemical liquid application device according to the present invention. This is a side cross-sectional view.

1 to 9, the chemical application device according to the present invention includes an upper body 100, a lower body 200, a discharge pipe 300, and a contact ball 400.

The upper body 100 has a storage space 120 formed therein to accommodate the chemical solution 10 for preventing hair loss, and an inlet 110 for supplying the chemical solution 10 is provided at the top of the upper body 100 up and down. A passage 130 penetrates upward and downward at the bottom of the upper body 100 so that the chemical solution 10 is discharged.

Here, the upper body 100 may have a circumferential edge, may be made of a material such as plastic, and may have a diameter that a user can hold with his or her hand. Here, the top of the upper body 100 may form a curved surface that is convex upward, and the entire or part of the upper body 100 may be transparent to visually confirm the capacity of the chemical solution 10 contained in the storage space 120.

In addition, the chemical application device according to the present invention is coupled to the bottom of the upper body 100 to close the lower part of the storage space 120, the passage 130 penetrates upward and downward, and the installation groove 141 is formed along the edge. A cover 140 is formed, and the inner surface is inserted into the installation groove 141, the outer surface is in close contact with the inner surface of the upper body 100, and a ring-shaped sealing member 150 is made of an elastically deformable material. It may further include.

The cover 140 is for opening and closing the lower part of the storage space 120. When the cover 140 is coupled to the bottom of the upper body 100, the edge of the cover 140 is in close contact with the inner peripheral surface of the storage space 120. And, the outer peripheral surface of the sealing member 150 is in close contact with the storage space 120.

The sealing member 150 may be made of an elastic material such as rubber, and when the cover 140 is coupled to the bottom of the upper body 100, the edge of the sealing member 150 is elastically pressed and the inner peripheral surface of the storage space 120 Since it is closely adhered to, leakage of the chemical solution 10 can be prevented, and when the cover 140 is separated, the storage space 120 is opened, so contaminants attached to the storage space 120 can be easily cleaned.

The lower body 200 is in close contact with the lower end of the upper body 100, which is coupled to the coupling space 210 concavely formed at the top, with the inner circumferential surface of the coupling space 210 surrounding the outer circumferential surface of the lower body 200. do. Here, a locking protrusion 190 may protrude from the outer peripheral surface of the upper body 100, a plurality of locking protrusions 190 may be arranged spaced apart along the outer peripheral surface of the upper body 100, and a coupling space 210 ) A locking protrusion 280 may protrude from the inner peripheral surface of the locking protrusion 280 so as to be positioned at the top of the locking step 190.

For example, when inserting the lower end of the upper body 100 vertically into the coupling space 210, the protruding end of the locking protrusion 280 is moved in close contact with the locking protrusion 190, and then It can be positioned in a crossed state at the top of (190). At this time, the lower end of the locking protrusion 280 is positioned at the top of the locking protrusion 190, so that the lower body 200 and the upper body 100 remain coupled.

The discharge pipe 300 is for discharging the chemical solution 10 contained in the storage space 120 downward, and may have a cylindrical shape protruding from the lower surface of the lower body 200 and having a length up and down, and an internal flow path ( 310) penetrates upward and downward. Here, the discharge pipe 300 may have a tapered shape whose diameter gradually decreases toward the bottom.

In addition, a step 310 may protrude from the inner peripheral surface of the flow path 310 to lock the edge of the contact ball 400, which will be described later, from below, and the step 310 is continuously formed along the inner peripheral surface of the flow path 310. It may be formed, and the lower end of the step 310 may be located at the same height as the lower end of the discharge pipe 300.

The contact ball 400 is for discharging the chemical liquid 10 moved to the lower part of the flow path 310 by its own weight to the outside, and has a structure that discharges the chemical liquid 10 while rotating along the surface of the scalp 20. have

Here, the contact ball 400 is applied in a spherical shape using a metal material (stainless, etc.), is rotatably positioned in the flow path 310, so that the lower edge of the edge is caught on the step 310, and the scalp ( The lower end of the contact ball 400 protrudes toward the lower part of the discharge pipe 300 so as to contact the 20).

This contact ball 400 discharges the chemical solution 10 flowing into the passage 130, the coupling space 210, and the flow path 310 to the lower part by rotation (360 degrees), and the lower end is connected to the scalp 20. It has a structure that rotates by friction force in a close contact state, and when the contact ball 400 is rotated, the outer surface of the contact ball 400 in contact with the chemical liquid 10 in the storage space 120 moves to the lower part of the discharge pipe 300. It has an exposed structure.

In addition, the chemical application device according to the present invention is formed concavely on the bottom surface of the coupling space 210, and corresponds to the lower seating groove 240, where the flow path 310 is located in the inner area, and the lower seating groove 240. It is seated so that the push pins 251 protruding from the bottom are respectively inserted through the upper part of the flow path 310, and the support members 250 through which the auxiliary flow paths 252 penetrate upward and downward are inside the push pins 251. , an elastic member 260 that is inserted into the inside of the flow path 310 to apply a compressive elastic force in the vertical direction, and whose upper and lower ends elastically support the upper end of the contact ball 400 and the lower end of the push pin 251, respectively; The support member 250 is formed concavely at the bottom of the cover 140 so that the support member 250 can be inserted correspondingly, and surrounds the upper seating groove 160 where the passage 130 is located in the inner area and the edge of the upper seating groove 160. A ring whose upper end is coupled to the lower end of the cover 140, and whose lower end protrudes from the lower part of the cover 140 and is in close contact with the bottom surface of the coupling space 210, and is made of an elastically deformable material (rubber, silicone, etc.) It may further include a shaped auxiliary sealing member 170.

The lower seating groove 240 may have a length on both sides, and the discharge pipe 300 may be arranged in a plurality (e.g., three) spaced apart on both sides, and the internal flow path 310 of the discharge pipe 300 may be located at the bottom. It can be opened upward through the seating groove 240.

Additionally, a plurality of space maintaining protrusions 270 may protrude from the top of the support member 250. The upper end of the gap maintaining protrusion 270 may be supported on the upper surface of the upper seating groove 160, and the upper surface of the upper seating groove 160 and the bottom surface of the lower seating groove 240 are separated by the gap maintaining protrusion 270. They can be spaced apart in the vertical direction, and the chemical liquid 10 can be moved through the gap between the upper seating groove 160 and the lower seating groove 240.

For example, the chemical liquid 10 contained in the storage space 120 moves to the lower seating groove 240 through the lower part of the passage 130 by its own weight, and the chemical liquid 10 in the lower seating groove 240 flows into the flow path. It moves downward through 310, and the chemical liquid 10 in the flow path 310 may be discharged downward by rotation of the contact ball 400.

The elastic member 260 may use a coil spring to apply compressive elastic force in the vertical direction. At this time, the upper end of the elastic member 260 elastically supports the lower end of the push pin 251 upward, the lower end of the elastic member 260 elastically supports the upper end of the contact ball 400 downward, and the contact ball 400 The bottom of the edge side remains locked at the top of the locking protrusion 190 by the elastic support force of the elastic member 260.

That is, the contact ball 400 is arranged to be able to rotate freely with the lower edge of the contact ball 400 supported by the locking protrusion 190, and when the lower end of the contact ball 400 is in contact with the scalp 20, the contact ball 400 It can be raised by compressing the elastic member 260 upward, and when the contact ball 400 is raised, the chemical liquid 10 can flow out through a gap formed at the edge.

The auxiliary sealing member 170 protrudes from the bottom of the cover 140 and comes into close contact with the bottom surface of the coupling space 210 to seal the edge of the lower seating groove 240. At this time, since the lower end of the auxiliary sealing member 170 is in close elastic contact with the bottom surface of the coupling space 210, the chemical liquid 10 moved to the lower seating groove 240 does not leak out.

For example, when the lower end of the upper body 100 is coupled to the coupling space 210 of the lower body 200, the upper end of the gap maintaining protrusion 270 is supported on the upper surface of the upper seating groove 160, and the gap The support member 250 and the push pin 251 are lowered by the supporting force of the retaining protrusion 270, and the lower end of the push pin 251 can compress the upper end of the elastic member 260 downward.

At the same time, since the lower end of the auxiliary sealing member 170 is in close elastic contact with the bottom surface of the coupling space 210, the edge of the lower seating groove 240 can be sealed, and the lower seating groove 240 can be moved to the lower seating groove 240. The chemical solution 10 may fall through the upper portion of the flow path 310.

In addition, the chemical application device according to the present invention has a plurality of protruding pins 220 that protrude from the lower surface of the lower body 200 and have lengths up and down, and a curved surface ( It may further include a contact protrusion 230 forming a hemispherical shape, etc.

The protruding pin 220 may have a cylindrical shape with a length in the vertical direction to enable combing, and may have a tapered shape with a diameter gradually decreasing toward the bottom to prevent interference, and the contact protrusion 230 may have a tapered shape. Since the lower end forms a convex curved surface, frictional force can be reduced when in contact with the scalp 20. That is, since combing is possible using the protruding pin 220, dyeing and combing operations can be performed at the same time, and since the lower end of the contact protrusion 230 is in contact with the scalp 20, pain can be minimized, and the contact protrusion 230 ) stimulates the scalp (20), so a scalp massage effect can be expected.

In addition, it may further include a stopper 700 coupled to the bottom of the lower body 200. The stopper 700 may have a concave receiving space at the top, and the lower end of the lower body 200 may be male and female coupled to the receiving space. When the lower body 200 and the stopper 700 are combined, In this case, the discharge pipe 300 and the protruding pin 220 may be located inside the receiving space.

On the other hand, the chemical application device according to the present invention protrudes from the top of the upper body 100 and has a circular edge, a protrusion 181 at the top through which an inlet 110 penetrates upward and downward, and a protrusion 181 at the top of the protrusion 181. A pair of guide holes 182 that penetrate upward and downward and are located on both sides of the inlet 110 and are curved along the circumferential direction of the protrusion 181, and a lifting groove at the bottom so that the upper end of the protrusion 181 is inserted. (511) is formed concavely, and is provided with a lifting part 510 that can be raised and lowered in the open and closed positions, and protrudes from the lower surface of the lifting groove 511, has a length up and down, and has an internal ventilation hole 521. It penetrates up and down, and is coupled to an air inlet pipe 520 whose lower end is inserted into the passage 130 when the lifting unit 510 is lowered to the closed position, and surrounds the edge of the air inlet pipe 520, and is elastic. A ring-shaped opening and closing member 530, which is made of a deformable material (rubber, silicon, etc.) and whose lower end is in elastic contact with the inner peripheral surface of the passage 130 when the lifting unit 510 is lowered to the closed position, and a lifting groove 511 ) and may further include a pair of guide protrusions 540 that protrude from the lower surface and are located on both sides of the air inlet pipe 520, respectively, and have a stopping end 541 protruding on one opposing side.

The protrusion 181 protrudes in a cylindrical shape from the top of the upper body 100, opens the upper part of the passage 130 through the horizontal upper surface, and has guide holes 182 on both sides of the passage 130. is formed Here, the passage 130 may have an inner peripheral surface forming a circumference.

The guide hole 182 has a length along the circumferential direction of the protrusion 181, and an insertion section 183 that is more concave in the width direction may be formed on one side of the guide hole 182 in the longitudinal direction. The insertion section 183 is a section for vertically passing the stopping end 541 of the guide protrusion 540 and has a wider width than the guide hole 182.

The guide protrusion 540 is inserted through the upper part of the guide hole 182, and when the lifting unit 510 rises to the open position, the upper end of the stopping end 541 is caught on the lower surface of the lifting unit 510 and is raised. Location can be restricted.

In addition, when the lifting part 510 is rotated horizontally to the open position, the guide projection 540 is located in the insertion section 183, and when the lifting part 520 is rotated horizontally to the locked position, the guide projection 540 It may be located outside the insertion section 183 and in the catching section.

That is, when the lifting part 510 is rotated into the insertion section 183 and then raised, the guide protrusion 540 can be separated from the upper part of the side hole 182, so that the lifting part 510 is separated. The chemical solution 10 can be introduced through the inlet 110.

The air inlet pipe 520 is configured to open and close the passage 130. When lowered to the closed position, the lower end is inserted perpendicularly into the passage 130, and the edge of the opening and closing member 530 is on the inner peripheral surface of the passage 130. It is elastically adhered, and air communicates through the ventilation hole 251 formed inside the air inlet pipe 520. Here, one or more opening and closing members 530 may be arranged along the vertical direction of the air inlet pipe 520.

For example, when the lifting unit 510 is lowered to the closed position as shown in FIG. 7, the lower end of the air inlet pipe 520 is inserted into the passage 130, and the opening and closing member 530 is in close contact with the inner peripheral surface of the passage 130. And the air in the coupling space 210 is discharged to the upper part of the lifting unit 510 through the ventilation hole 521. At this time, since the pressure in the coupling space 210 is discharged, the lifting unit 510 and the air inlet pipe 520 can be easily lowered.

On the other hand, when the lifting part 510 is raised to the open position as shown in Figure 8, the lower end of the air inlet pipe 520 is separated from the upper part of the passage 130, and external air flows into the coupling space through the ventilation hole 521. 210). At this time, since air is supplied to the coupling space 210, the lifting unit 510 and the air inlet pipe 520 can be easily raised.

In the chemical application device according to an embodiment of the present invention, as shown in FIG. 9, the above-described protruding pin 220 may be positioned with its upper end spaced apart from the lower end of the lower body 200. In addition, a guide tube 610 protrudes from the bottom of the lower body 200 and has an internal guide groove that opens downward, the upper end of the guide groove is coupled to the lower end of the lower body 200, and the lower end is a protruding pin. It is coupled to the upper end of 220 and may further include an elastic support portion 620 that applies compressive elastic force in the vertical direction.

The upper end of the protruding pin 220 may be inserted into the guide groove to be lifted up and down, the lower end of the protruding pin 220 may protrude toward the lower part of the guide tube 610, and the elastic support portion 620 may be inserted into the protruding pin 220. ) It can be compressed to the top by the force transmitted from and then extended in length to the bottom by its own elastic force.

The elastic support part 620 may have a coil spring shape to apply compressive elastic force in the vertical direction, and the upper and lower ends of the elastic support part 620 are inserted into the lower end of the lower body 200 and the upper end of the protruding pin 220. can be combined in a That is, in the process of applying the chemical solution 10 to the scalp 20, when the protruding pin 220 rises, it is compressed upward and moves to avoid the protruding pin 220, so excessive pressure is not transmitted to the scalp 20.

As a result, the present invention allows the anti-hair loss chemical solution (10) to be applied directly to the scalp (20), allowing the chemical solution (10) to be uniformly applied to the scalp, and combing is possible during the process of applying the chemical solution (10). Therefore, convenience of use can be improved, and the scalp 20 can be massaged during the process of applying the chemical solution 10, which can help maintain scalp health.

In addition, the present invention can reduce the frictional force applied to the scalp (20) in the process of applying the chemical solution (10), thereby minimizing pain, and the remaining chemical solution (10) after use can be stored in a sealed state, so that the chemical solution (10) can be stored in a sealed state. The waste of (10) can be reduced.

Although specific embodiments of the chemical liquid application device according to the present invention have been described so far, it is obvious that various implementation modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the claims and equivalents thereof as well as the claims described later.

That is, the above-described embodiments should be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims and All changes or modified forms derived from the equivalent concept should be construed as falling within the scope of the present invention.

10: Chemical solution 20: Scalp
100: upper body 110: inlet
120: storage space 130: passage
140: Cover 141: Installation groove
150: Sealing member 160: Upper seating groove
170: Auxiliary sealing member 181: Protrusion
182: Guide hole 183: Insertion section
190: Locking jaw 200: Lower body
210: coupling space 220: protruding pin
230: Contact protrusion 240: Lower seating groove
250: support member 251: push pin
252: Auxiliary flow path 260: Elastic member
270: gap maintaining protrusion 280: catching protrusion
300: discharge pipe 310: flow path
311: step 400: contact ball
510: Elevating unit 511: Elevating groove
520: air inlet pipe 521: ventilation hole
530: Opening and closing member 540: Guide protrusion
541: Stopper 610: Guide pipe
620: elastic support part 700: stopper part

Claims (5)

An upper body in which a chemical solution is injected into the internal storage space through an inlet at the top and a passage is formed at the bottom;
a lower body in which the lower end of the upper body is coupled to the male and female in a concave coupling space formed at the upper end;
a discharge pipe that protrudes from the lower surface of the lower body and has an upper and lower length, and has an internal flow path passing up and down; and
It includes a spherical contact ball that is rotatably positioned in the flow path and whose lower end protrudes toward the lower part of the discharge pipe so as to contact the scalp,
The contact ball discharges the chemical solution flowing into the passage, the coupling space, and the flow path downward by rotation,
A plurality of protruding pins that protrude from the lower surface of the lower body and have lengths up and down,
It further includes a contact protrusion that protrudes from the bottom of the protruding pin and forms a convex curved surface at the bottom,
A protrusion protrudes from the top of the upper body, has a circular edge, and has a protrusion at the top through which the inlet passes upward and downward;
A pair of guide holes that penetrate upward and downward through the top of the protrusion, are located on both sides of the inlet, and are curved along the circumferential direction of the protrusion;
A lifting unit in which a lifting groove is concavely formed at the bottom so that the upper end of the protrusion can be inserted, and is provided to be raised and lowered between the open and closed positions;
an air inlet pipe that protrudes from the lower surface of the elevating groove, has a vertical length, has an internal ventilation hole penetrating up and down, and whose lower end is inserted into the passage when the elevating part is lowered to a closed position;
A ring-shaped opening and closing member that is coupled to surround the edge of the air inlet pipe, is made of an elastically deformable material, and whose lower end is elastically adhered to the inner peripheral surface of the passage when the elevating portion is lowered to the closed position, and
It further includes a pair of guide protrusions that protrude from the lower surface of the elevating groove and are located on both sides of the air inlet pipe, respectively, each having a stopping end protruding on one opposing side,
The guide protrusion is inserted through the upper part of the guide hole, and the upper end of the stopping end is positioned to be caught on the lower surface of the lifting part when the lifting part rises to the open position. delete According to paragraph 1,
A cover coupled to the bottom of the upper body to close the lower portion of the storage space, through which the passage passes upward and downward, and an installation groove formed along the edge,
A chemical application device having an inner surface inserted into the installation groove and an outer surface in close contact with the inner surface of the upper body, further comprising a ring-shaped sealing member made of an elastically deformable material. According to paragraph 3,
a lower seating groove that is concavely formed on the bottom of the coupling space and in which the flow path is located in the inner area;
A support member that is seated correspondingly to the lower seating groove and has push pins protruding from the bottom inserted through the upper portion of the flow path, and through which an auxiliary flow path penetrates up and down inside the push pins;
An elastic member inserted into the passage to apply a compressive elastic force in the vertical direction, the upper and lower ends of which elastically support the upper end of the contact ball and the lower end of the push pin, respectively;
An upper seating groove formed concavely at the bottom of the cover so that the support member is correspondingly inserted, and where the passage is located in the inner area,
A ring-shaped auxiliary seal whose upper end is coupled to the lower end of the cover to surround the edge of the upper seating groove, and whose lower end protrudes from the lower part of the cover and is in close contact with the bottom surface of the coupling space, is made of an elastically deformable material. A chemical liquid application device further comprising a member. delete

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