KR102254977B1 - Portable Cosmetic Sprayer Using Compressed Air - Google Patents

Abstract

The present invention relates to a portable cosmetic liquid spraying device capable of being neatly used without leaking, having a simple structure, and improving durability. A composition comprises: a spray device body; and an upper unit. The spray device body is combined with a compressor operated by a battery. The upper unit is combined with an upper end of the spray device body; and includes: a liquid container; a nozzle unit; and an upper case. The liquid container stores liquid cosmetics. The nozzle unit withdraws the cosmetics stored in the liquid container by using air pressure generated by the compressor and sprays the cosmetics in one direction. The upper case covers the liquid container. The nozzle unit includes: a spray pipe; a piston; an operation switch; and a nozzle cap. The spray pipe is provided with a liquid inlet hole in an upper part and is provided with a pipe path communicating with the liquid inlet hole in a horizontal direction at the center. The piston selectively opens and closes the pipe path while performing an elastic piston movement in a horizontal direction in a state of being inserted into the pipe path of the spray pipe. The operation switch is connected to the piston. The nozzle cap allows a back end to be screw-coupled to a front end of the spray pipe to surround the front end of the spray pipe, generates negative pressure in the pipe path by using the air pressure generated by the compressor, and is provided with a liquid spray hole in a center unit of the front end.

Description

Portable Cosmetic Sprayer Using Compressed Air

The present invention relates to a cosmetic liquid spraying device, and more specifically, to a portable cosmetic liquid spraying device of a pressure spraying method that can be used neatly without leakage and has a simple structure and improved durability.

Cosmetics used for beauty are applied directly to the skin, so they are sensitive to skin health. Recently, there are many women suffering from skin problems due to environmental, dietary, or stress problems. Therefore, the importance of skin care is increasing, and accordingly, various types of cosmetics or skin protectants have been proposed on the market.

Recently, cosmetics have been developed that are in liquid form and are intended to obtain the effects of moisturizing, skin care, and skin health at the same time by applying directly to the skin. Such liquid cosmetics are applied to the skin through a cosmetic spray device that sprays on the face in the form of fine particles in order to increase skin absorption.

Some cosmetic injection devices have a built-in small compressor that generates air pressure. This helps to increase the use effect of cosmetics by reducing the consumption of cosmetics and atomizing them by allowing the cosmetics to be sprayed together with compressed air. In general, liquid cosmetics containing active ingredients that are beneficial to health are supplied to the skin through such a cosmetic spray device.

In the conventional spray-type cosmetic supply device, there is inconvenience in use due to leakage of one or two drops in the use process. In particular, air holes are provided in order to take out cosmetics from a sealed cosmetic capsule, and a leakage phenomenon occurred through the air holes. In case of leakage of cosmetics, foreign substances may adhere, cosmetics may be consumed, and other items in the handbag may be stained. In addition, when using, it was inconvenient in use because it was lumped and ejected in the form of droplets as if splashing saliva.

There is Korean Patent Application No. 10-2017-0023673 as a compressed air type cosmetic spraying device. According to this, there are many cases including a cap that must be separated from the main body during use, in which case there is an inconvenience of managing the cap. In other words, there is an inconvenience in use that the cap must be removed each time it is used and the cap must be closed again after use.

In addition, the conventional injection device is a method of opening the nozzle hole by pulling the nozzle in the form of a pin back, so there is a problem that the cosmetic liquid is ejected in the form of droplets at the point of use and end point. In other words, there was a problem that it could not be ejected in the form of fine particles, but in the form of a lump like spitting.

As such, the conventional cosmetic spray device has various inconveniences.

Korean Patent Application No. 10-2017-0017386 Korean Patent Application No. 10-2017-0023673 Korean Patent Application No. 10-2016-0148753

An object of the present invention with respect to the above problems is to provide an improved pressure injection type cosmetic injection device. More specifically, there is no phenomenon of leaking one or two drops in the process of use or carrying, and there is no separate cap covering the nozzle part, so there is no inconvenience of separating and combining the cap, and the durability is improved. It is to provide a portable cosmetic spraying device of a pressure spraying method, which has been improved in many ways, such as being able to keep the particles thin.

The above object is an injection device main body in which a compressor activated by a battery is built-in; It is coupled to the upper end of the injection device body, a liquid passage for containing liquid cosmetics, a nozzle part for drawing out the cosmetics contained in the liquid container using air pressure generated by the compressor and spraying it in one direction, and the liquid container It includes an upper unit made of an upper case for covering;

The nozzle part,

An injection pipe body having a liquid inlet hole provided in the upper part and a pipe communicating with the liquid inlet hole in a horizontal direction at the center; A piston selectively opening and closing the pipe while performing an elastic piston movement in the horizontal direction while being inserted into the pipe of the injection pipe body; An operation switch connected to the piston;

The rear end of the injection pipe is screwed to the tip of the injection pipe so as to surround the tip of the injection pipe, and a negative pressure is generated in the pipe using the air pressure generated by the compressor, and a liquid injection hole is provided in the center of the tip of the injection pipe. There is a nozzle cap; It is achieved by a cosmetic injection device comprising a.

According to another feature of the present invention, a piston head having a wide area is installed on the piston, and a piston seat on which the piston head can be seated is provided on the pipe, and the piston has the piston head in close contact with the piston seat. It receives an elastic force in the direction.

According to another feature of the present invention, a groove is provided in the middle portion of the piston along its circumferential direction, and the piston is provided with a connecting hole having one end open toward the groove and the other end open toward the conduit; O-rings for watertightness may be installed in the piston at the front and rear around the groove.

The upper case formed on the upper end of the injection device body is covered in a cap shape; The upper case may be opened while sliding in the vertical direction only in a certain section by a guide hook provided in the injection device body. In addition, the upper case may be installed to cover the liquid jet hole of the nozzle cap in a closed state, and to open the liquid jet hole when it is raised and opened.

According to another feature of the present invention, the liquid cylinder is;

An air inlet hole provided so that the cosmetic liquid can be ejected smoothly by not generating a vacuum pressure when the cosmetic liquid is ejected; A liquid outlet through which the cosmetic liquid is discharged; And a back pressure pipe having one end connected to the air inlet hole and the other end extending into the liquid cylinder;

A liquid leakage prevention pad for selectively opening and closing the air inlet hole is fixedly installed on the inner surface of the upper case.

According to the above configuration, there is no leakage of liquid by one or two drops during the use or carrying process, there is no separate cap covering the nozzle part, so there is no inconvenience of separating and assembling the cap, and manufacturing cost is reduced by simple assembly. It is possible to do, and a portable cosmetic spraying device of a pressure spray method is provided that improves the feeling of use as it can keep the particles of cosmetics thin when used.

According to the present invention, there is provided a portable cosmetic liquid spraying device capable of solving the problem that the cosmetic liquid is ejected in the form of a lump by selectively opening a pipe through a piston motion.

1 is a perspective view of a portable cosmetic injection device according to an embodiment of the present invention.
2 is a perspective view of a use state of a portable cosmetic spray device according to an embodiment of the present invention.
3 is a schematic cross-sectional view taken along line AA of FIG. 1.
4 is a cross-sectional view in a use state taken along line AA of FIG. 1.
5 is a partial exploded cross-sectional view taken along line AA of FIG. 1.
6 is a cross-sectional view corresponding to FIG. 3 according to another embodiment of the present invention corresponding to FIG. 3.
FIG. 7 is a schematic cross-sectional view taken along line BB of FIG. 1 and shows a state of use.
8 is a partial exploded perspective view of a liquid cylinder and a nozzle part of a portable cosmetic spray device according to an embodiment of the present invention.

Hereinafter, specific contents of the present invention will be described in detail with reference to FIGS. 1 to 8 simultaneously. However, where particularly necessary, specific drawings will be cited.

The portable cosmetic spraying device of the pressure spraying method according to the present invention (hereinafter referred to as'cosmetic spraying device') includes a spraying device body 1 and an upper unit 3 coupled to the upper end of the spraying device body 1 It is composed of. A service unit 5 may be optionally added to the lower portion of the injection device body 1.

A rechargeable battery 7, a control circuit 9, and a compressor 11 are installed inside the injection device body. The injection device body 1 may be provided with a charging terminal for charging the battery. The compressor (11, compressor) is small and generates compressed air and supplies it to the nozzle. This configuration is no different from the conventional one.

The upper unit 3 is coupled to the upper part of the injection device body 1. Screw connection is also possible, and one-touch connection is also possible.

The upper unit (3) draws out the liquid cosmetics (C) contained in the liquid container (13) using a liquid container (13) for containing liquid cosmetics and the air pressure generated by the compressor (11) and sprays them in one direction. It includes a nozzle unit 15 to be used, and an upper case 17 to cover and wrap the liquid cylinder 13.

The liquid container 13 is in the form of a funnel with a wide upper and a narrow lower, and a liquid discharge port 13a is provided at the lowermost end thereof, particularly in the bottom plate. A viewing window may be provided on the rear sidewall of the liquid container 13 to check the remaining amount of the contents.

The nozzle unit 15 includes an injection tube 19, a piston 21, an operation switch 23, and a nozzle cap 25.

The injection pipe body 19 is for providing a conduit 27 that becomes a passage through which the liquid is discharged. A liquid inlet hole 19a through which the liquid discharged from the liquid cylinder 13 flows is provided in the upper rear portion of the injection pipe body. The pipe 27 is in communication with the liquid inlet hole 19a, and is provided in a transverse direction along the longitudinal direction of the injection pipe 19.

The piston 21 selectively opens and closes the pipe while performing an elastic piston movement in the horizontal direction while being inserted into the pipe 27 of the injection pipe body.

The operation switch 29 is connected to the piston 21. The operation switch 29 may be provided integrally or assembled thereto at the rear end of the piston 21. The operation switch 29 may be installed to be exposed to the outside, and may be locked to prevent operation when the upper case 17 is closed. To this end, a locking groove 33 is provided in the operation switch, and the upper case 17 is fitted in the locking groove 33 in a closed state, that is, in a lowered state. When the upper case 17 is open, that is, in an elevated state, the operation switch 23 may be operated. As the operation switch 23 is pressed, the piston 21 advances in the pressing direction to open the pipe 27 and the compressor 11 starts to operate. The electrical switches W1 and W2 may be interlocked with the operation switch 23.

The nozzle cap 25 is screwed to the front end of the injection pipe body so that the nozzle cap 25 surrounds the tip 19b of the injection pipe body. The nozzle cap 25 is in the shape of a conical cylinder.

The nozzle cap 25 causes a vacuum pressure to be generated in the pipeline 27 by the air pressure generated by the compressor 11. In the center of the tip of the nozzle cap 25, a liquid ejection hole 25a is provided as an outlet through which the cosmetic liquid is finally sprayed.

Hereinafter, an embodiment of selectively opening and closing the pipe 27 by the operation of the piston 21 will be described.

The piston 21 is provided with a piston head 35 whose area is widened.

A piston seat 37 on which the piston head 35 can be seated is provided on the conduit 27. The piston 21 receives an elastic force in a direction in which the piston head 35 is in close contact with the piston seat 37. For this purpose, one end is directly or indirectly connected to the piston 21 and the other end is provided with a coil spring 39 supported at the rear end of the injection pipe body 19.

An O-ring 41 is installed on the stem 21a of the piston 21 to prevent the liquid from flowing out to the rear of the injection pipe 19.

As shown, the piston head 35 is similar to the head of the plate screw, but can be modified in various forms.

Hereinafter, another embodiment will be described with reference to FIG. 6. According to this embodiment, a groove 43 is provided in the middle portion of the piston 21' along its circumferential direction. In addition, the piston 21 ′ is provided with a connecting hole 45 having one end open toward the concave groove 43 and the other end open toward the conduit 27. O-rings 41 and 41 ′ for watertightness may be installed in the front and rear of the piston 21 ′ around the groove 43. The conduit 27 serves as a cylinder.

When the operation switch 23 is pressed, the groove 43 is positioned directly under the liquid inlet hole 19a, so that the liquid can flow out along the conduit 27.

The upper case 17 is provided with an upper lid 29 that can be opened when replenishing the cosmetic solution. The upper lid 29 is hingedly opened, and can be easily opened and stably fixed by magnet bodies M1 and M2.

Hereinafter, the installation structure and operation state of the upper case 17 installed on the upper end of the injection device main body 1 will be described with reference mainly to FIG. 7.

The upper case 17 is covered around the liquid container 13 in a cap shape. The injection device body 1 is formed with a guide hook 47 protruding upward in a symmetrical shape. Guide grooves 47a are provided on the outer surface of the guide hook 47 to be elongated vertically. A locking protrusion 49 is formed protruding below the inner wall of the upper case 17, and the locking protrusion 49 is fitted into the guide groove 47a. The upper case 17 may slide in the vertical direction in a section corresponding to the length of the guide groove 47a.

Magnet bodies (M1, M2) may be installed in each portion so that the closed upper case 17 is maintained in a closed state and once in an open state, the open state is maintained.

The upper case 17 is installed to cover the liquid ejection hole 25a of the nozzle cap in a closed state, and to open the liquid ejection hole 25a when it is raised and opened. In addition, a first leakage prevention pad 51 is fixedly installed in front of the liquid ejection hole 25a on the inner front surface of the upper case 17.

Hereinafter, a liquid cylinder 13 and an installation structure thereof according to an embodiment of the present invention will be described.

The liquid cylinder 13 includes an air inlet 53 provided so that the cosmetic liquid can be smoothly ejected by not generating a vacuum pressure when the cosmetic liquid C is ejected; A liquid outlet (13a) from which the cosmetic liquid (C) is discharged; And a back pressure pipe 55 having one end connected to the air inlet hole 53 and the other end extending into the liquid cylinder 13.

In addition, a second leakage preventing pad 57 for selectively opening and closing the air inflow hole 53 is fixedly installed on the inner surface of the upper case 17.

Hereinafter, another embodiment of the present invention will be described with reference to FIG. 8.

This embodiment relates to a stopper 59 of the liquid cylinder. When replenishing the cosmetic liquid to the liquid container, this stopper 59 is opened to open the liquid inlet 13b. When the cosmetic liquid is replenished and the stopper 59 is closed, pressure is generated in the liquid container 13. This embodiment is to solve the problem that the cosmetic liquid is ejected to the outside by one or two drops by pressure.

According to this embodiment, the stopper 59 is inserted into and fixed to the liquid inlet 13b. An air bleed pin 61 is provided under one end of the stopper 59. An air bleed hole 62 into which an air bleed pin 61 is fitted next to the liquid inlet 13b is provided on the upper plate of the liquid cylinder 13. If the air bleed pin 61 is inserted later in the process of inserting the stopper, air will escape from the liquid cylinder 13 through the air bleed hole 62. So, no pressure is charged in the liquid cylinder 13. As a result, the possibility that the liquid is ejected through the nozzle unit 15 is extremely low.

Hereinafter, another embodiment of the present invention will be described.

Another embodiment of the present invention is characterized by a structure in which the nozzle cap is coupled with the injection pipe body 19. The coupling portion of the nozzle cap 25 is composed of a threaded portion 63 and a straight portion 65. The positional relationship between the tip of the nozzle cap 25 injection pipe body is very sensitive to the injection quality. According to the present invention, there is provided a configuration in which the nozzle cap 25 can accurately align the center with the injection tube 19. The straight portion 65 is positioned at the center point while being coupled to the injection pipe body 19 while acting as a guide like a sleeve with a minimum tolerance. In the case of screwing, there is an assembly error, whereas the straight portion 65 of the nozzle cap eliminates the assembly tolerance and thus maintains the particle state as good as the first time even after a long use. That is, it contributes to improving the durability of the device.

According to another embodiment of the present invention, an infrared lamp 67 may be installed around the nozzle cap. This can remove the cold feeling when applied to the skin by heating the cosmetic liquid, and serves to double the effect of the cosmetic liquid by supplying infrared rays to the skin. The infrared lamp 67 has a ring shape and may be installed to surround the outer periphery of the nozzle cap.

According to an embodiment of the present invention, the service unit 5 may be further coupled to the lower end of the injection device main body 1. Through the service unit 5, it is possible to provide a lamp, a galvanic massage device, an LED lamp for skin beauty, a vibration massager, and the like. These are convenience appliances or beauty appliances using the power of the battery 7. The service unit 5 can be connected to the injection device body in various ways.

The configuration shown and described above is only a preferred embodiment based on the technical idea of the present invention. Those skilled in the art will be able to implement various modifications based on common technical knowledge, but it should be noted that this may be included in the protection scope of the present invention. Various combinations of the embodiments disclosed above will be possible, and all possible combinations are within the scope of the present invention.

1: injection device body 3: upper unit
5: service unit 7: battery
9: control circuit 11: compressor
13: liquid cylinder 15: nozzle part
17: upper case 19: injection pipe body
19a: liquid inlet hole 21,21': piston
23: operation switch 25: nozzle cap
25a: liquid injection hole 27: pipeline
29: upper lid 33: locking groove
35: piston head 37: piston seat
39: coil spring 41,41': O-ring
43: groove 45: connecting hole
47: guide hook 47a: guide groove
49: protrusion 51, 57: first, second leakage prevention pad
53: air inlet hole 55: back pressure pipe
59: stopper 61: air bleed pin
62: air bleed hole 63: threaded part
65: straight portion 67: infrared lamp
C: cosmetic liquid

Claims (8)

An injection device main body in which a compressor activated by a battery is built-in; It is coupled to the upper end of the injection device body, a liquid passage for containing liquid cosmetics, a nozzle part for drawing out the cosmetics contained in the liquid container using air pressure generated by the compressor and spraying it in one direction, and the liquid container It includes an upper unit made of an upper case for covering;
The nozzle part,
An injection pipe body 19 having a liquid inlet hole provided in the upper part and a pipe communicating with the liquid inlet hole in a horizontal direction at the center; A piston 21 selectively opening and closing the pipe while performing an elastic piston movement in the horizontal direction in a state inserted into the pipe passage of the injection pipe body 19; An operation switch 23 connected to the piston 21;
Its rear end is screwed to the front end of the injection pipe body 19 so as to surround the front end of the injection pipe body 19, so that negative pressure is generated in the pipe using the air pressure generated by the compressor, and its own end Including; a nozzle cap 25 provided with a liquid injection hole in the center;
A portable cosmetic liquid spraying device, characterized in that by pressing the operation switch (23), the piston (21) advances in the pressing direction of the operation switch (23) and opens the pipe to allow the cosmetic product to be withdrawn.
The method of claim 1,
The piston 21 is provided with a piston head whose area is widened, and a piston seat on which the piston head can be seated is provided on the conduit, and the piston 21 is in a direction in which the piston head is in close contact with the piston seat. Portable cosmetic liquid spraying device, characterized in that the elastic force is received.
The method of claim 1,
A groove is provided along its circumferential direction in the middle portion of the piston, and the piston is provided with a connecting hole having one end open toward the groove and the other end open toward the conduit;
The portable cosmetic liquid spraying device, characterized in that the piston is provided with O-rings for watertightness in the front and rear around the groove.
delete According to claim 1, wherein the liquid cylinder;
An air inlet hole provided so that the cosmetic liquid can be ejected smoothly by not generating a vacuum pressure when the cosmetic liquid is ejected; A liquid outlet through which the cosmetic liquid is discharged; And a back pressure pipe having one end connected to the air inlet hole and the other end extending into the liquid cylinder;
A portable cosmetic liquid spraying device, characterized in that a leakage preventing pad for selectively opening and closing the air inlet hole is fixedly installed on the inner surface of the upper case.
The method of claim 1,
The coupling portion of the nozzle cap is composed of a threaded portion 63 and a straight portion 65;
The portable cosmetic liquid spraying device, characterized in that the straight portion (65) is positioned at a center point while being coupled to the spray tube body while acting as a guide like a sleeve with a minimum tolerance.
The method of claim 1,
By installing an infrared lamp 67 around the nozzle cap,
A portable cosmetic liquid spraying device, characterized in that it supplies infrared rays to the skin.
delete

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