KR200266854Y1 - Fluid jet apparatus - Google Patents

Abstract

The present invention relates to a fluid injection device capable of generating and injecting certain liquid particles even at low pressure.

The fluid spraying device of the present invention has an air generator for generating air, a liquid reservoir for storing liquid, and a liquid reservoir coupled to one side, an air generator coupled to one end, and air supplied from the air generator at the other end. And the liquid supplied from the liquid reservoir meets and mists are formed, and the air supplied from the air generator flows into the neck through the center portion, and the liquid supplied from the liquid reservoir flows into the neck through the edge portion. Inlet nozzles are included.

As described above, the fluid injection device according to the present invention allows the air generated in the air generator to flow into the neck through the air flow path formed in the center portion of the nozzle, and the liquid stored in the liquid reservoir is a gap between the inner housing and the outer case. It is configured to flow into the neck through the edge of the nozzle, so that the air to be injected while misting the liquid passes through the neck at a very high speed, so that the liquid can be sprayed with a certain mist at a lower pressure than before.

Description

Fluid jet apparatus

The present invention relates to a fluid ejection apparatus, and more particularly, to a fluid ejection apparatus capable of generating and ejecting a certain liquid particle (hereinafter referred to as a mist) even at a low pressure.

Recently, as the standard of living has improved, more attention has been focused on various basic diseases and skin care which were not previously concerned, and various devices and apparatuses for solving these problems are being released one after another.

For example, such various devices and devices include a nasal cleaner that cleans the nose by spraying a predetermined saline solution into the nose when a nasal disease occurs due to air pollution, pollution and smoking, and easily dried by an external environment. There is a facial injector to mist and spray a predetermined lotion on the face or skin to keep the moisture and oil in this portion properly.

At this time, such a nasal cleaner or facial injector is a kind of fluid spraying device using Bernoulli's principle that the pressure increases or decreases as the speed of the fluid increases or decreases. B, a liquid such as saline is formed to be supplied to the center portion of the nozzle, and the air (Air) to be sprayed while misting the liquid is formed to be supplied to the edge of the nozzle, such liquid and air is the end of the nozzle It is formed to meet each other at the injection hole formed in.

Therefore, the conventional fluid spraying device is the air is quickly discharged through the nozzle edge of the nozzle to the nozzle, and at the same time the discharge portion of the injection port is very low pressure bar liquid is supplied to the center portion of the nozzle As the pressure difference is rapidly moved to the injection port part, the air is misted at the injection port and injected to the outside.

However, such a conventional fluid spraying device has a problem of requiring a very large pressure that pushes the air strongly in order to eject the liquid while misting the liquid. In this case, the nozzle structure also becomes very complicated. do.

Accordingly, the present invention has been made in view of such a problem, and an object of the present invention is to provide a fluid spraying device capable of generating and spraying a reliable mist at a low pressure.

1 is a partial cross-sectional view showing a fluid injection device which is an embodiment of the present invention.

The fluid injection device of the present invention for realizing the above object is an air generator for generating air, a liquid reservoir for storing liquid and a liquid reservoir coupled to one side, an air generator coupled to one end, and an air at the other end. When the air supplied from the generator and the liquid supplied from the liquid reservoir meet and mist is formed, a neck is formed, and the air supplied from the air generator flows into the neck through the central portion and is supplied from the liquid reservoir. The liquid includes a nozzle that flows into the neck through the edge portion.

Furthermore, the nozzle has a cylindrical cylindrical shape, one end of which is formed with an injection hole for injecting liquid and air, and the other end is formed with a mounting hole opened at a predetermined diameter, and one side has an outer case having a coupling means for coupling the liquid reservoir. (Case) and a cylindrical cylindrical shape inserted into the mounting hole (Hole) of the outer case is formed in the center portion of the air passage having an internal diameter of a predetermined size so that the air flows in, and at one end the inner diameter is sharply smaller than the air passage A neck is formed and the other end has an inner housing (Housing) formed with an insertion hole for mounting the air generator, and is formed between the outer case and the inner housing, and forms a gap so that the liquid flows between the outer case and the inner housing, the gap Characterized in that the packing (Packing) to be sealed from the outside.

Further, a coupling groove is formed in an adjacent portion of the mounting hole formed in the outer case so that the inner housing is fitted and fixed, and the locking protrusion is formed in the inner housing so as to fit in the coupling groove.

Hereinafter, with reference to the drawings will be described in detail a fluid injection device 100 of an embodiment of the present invention.

As shown in FIG. 1, the fluid injection device 100 according to an embodiment of the present invention includes a liquid reservoir 110 in which a liquid 80 such as a lotion or a saline solution is largely stored in the liquid reservoir 110. The air generator 130 for generating air to inject the stored liquid 80 to the outside and the liquid 80 of the liquid reservoir 110 and the air of the air generator 130 meet and mist is sprayed to the outside It consists of a nozzle 180.

More specifically, in the liquid reservoir 110, liquid 80, such as a lotion or saline solution, is stored in a bar shape having an upper end opening. In this case, a first catching jaw 112 for allowing the liquid reservoir 110 to be selectively mounted on the nozzle 180 is formed at the opened upper end.

And, as described above, the air generator 130 serves to generate air so as to inject the liquid 80 stored in the liquid reservoir 110 to the outside, and the outside of the air generator 130 A fitting protrusion 134 is formed to allow the driving switch 132 and the air generator 130 to be driven to the nozzle 180 to be driven. At this time, the air supply hole 136 is formed in the center of the fitting protrusion 134 to allow the air generated from the air generator 130 to be supplied to the nozzle 180, the fitting protrusion on the outer peripheral surface of the fitting protrusion 134 When the 134 is mounted on the nozzle 180, the locking groove 138 is installed between the nozzle 180 and the fitting protrusion 134 so that the sealing packing 196 for sealing the inside of the nozzle 180 from the outside is fitted. Is formed.

On the other hand, the nozzle 180 to be sprayed to the outside while misting the liquid 80 supplied from the liquid reservoir 110 using the air generated in the air generator 130 is again the outer case 150, and It consists of an inner housing 160 that is fitted and coupled to the outer case 150 and packings 192 and 194 fitted between the outer case 150 and the inner housing 160.

At this time, when the outer case 150 is described in detail, the outer case 150 has a cylindrical cylindrical shape having a predetermined size of space therein, and at one end, a mounting hole 152 is formed such that the inner housing 160 is fitted. At the other end, an injection hole 151 is formed such that air supplied through the air supplier 130 is injected to the outside. In addition, a coupling portion coupled to the liquid reservoir 110 is formed at one side of the outer case 150, and a second coupling portion coupled to the first locking jaw 112 of the liquid reservoir 110 is formed at an end of the coupling portion. Hanging jaw 155 is formed. Hereinafter, a portion in which the injection hole 151 of the outer case 150 is formed in the nozzle 180 will be referred to as 'front', and a portion in which the mounting hole 152 of the outer case 150 is formed will be referred to as 'back'. do.

Here, the inner diameter of the mounting hole 152 is preferably formed to be slightly larger than the outer diameter of the inner housing 160 so that the inner housing 160 is smoothly fitted, the injection hole 151 is the liquid 80 is mist It is preferable that it is formed in a trapezoidal cross-sectional shape that gradually increases toward the outside to be smoothly sprayed when being sprayed.

In addition, the second catching jaw 155 coupled to the first catching jaw 112 of the liquid reservoir 110 may be coupled to the nozzle 180 together with the first catching jaw 112. In addition to the coupling method by the locking projections 112 and 155 shown in the present invention, other coupling methods such as screw coupling to selectively engage and detach the liquid reservoir 110 by the user are also provided. Applicable. In this case, the liquid 80 of the liquid reservoir 110 is disposed between the liquid reservoir 110 and the coupling portion of the nozzle 180 coupled by the first locking jaw 112 and the second locking jaw 155. The liquid outflow prevention packing 198 is installed to prevent the outflow to the outside, and the liquid 80 of the liquid reservoir 110 is nozzle at one side of the coupling portion of the nozzle 180 in which the liquid outflow prevention packing 198 is installed. When supplied to 180 is formed a very small diameter of the air inlet hole 158 to help more smoothly supplied.

In addition, in the center of the coupling portion formed on one side of the outer case 150, a protrusion protrusion 156 is formed is formed with a liquid supply hole 157 so that the liquid 80 of the liquid reservoir 110 is supplied, the protrusion protrusion The liquid transfer pipe 114 having a predetermined length is inserted in the 156 so that the liquid 80 located at the bottom of the liquid reservoir 110 may be supplied into the nozzle 180 by the liquid transfer pipe 114. It plays a role. In addition, the inner housing 160 when the inner housing 160 is fitted to the outer case 150 through a mounting hole 152 of the outer case 150 at a portion close to the mounting hole 152 of the outer case 150. Coupling groove 153 is formed to be fixed to the outer case 150.

On the other hand, the inner housing 160 is a cylindrical cylindrical shape having an outer diameter of a predetermined size that can be inserted into the inner space of the outer case 150, the fitting protrusion 134 of the air generator 130 can be inserted at one end. Insertion hole 167 is formed so that the air flow path 164 is formed in the center to pass the air supplied from the air generator 130, the other end is formed with the injection hole 161 for injecting air to the outside . In addition, a neck 163 is formed at a portion adjacent to the injection hole 161 formed at the other end of the inner housing 160, and the inner diameter of the inner housing 160 rapidly decreases, and an intermediate portion of the neck 163 is formed. The liquid inlet 168 is formed in the liquid reservoir 110 so that the liquid 80 is introduced into the neck 163 portion.

Here, the inner housing 160 is a portion in which the injection hole 161 is formed of the inner housing 160 is inserted into the inner space of the outer case 150, the injection hole 161 formed in the inner housing 160 Is inserted into the position of the injection hole 151 formed in the outer case 150.

At this time, one side outer circumferential surface of the inner housing 160 is formed with a locking projection 165 that serves to fix the inner housing 160 in the outer case 150, the locking projection 165 is the inner housing 160 When inserted into the outer case 150 is coupled to the coupling groove 153 formed in the outer case 150 serves to firmly fix the inner housing 160 to the outer case 150.

Meanwhile, as described above, when the inner housing 160 is inserted into the outer case 150, two packings 192 and 194 may be installed between the inner housing 160 and the outer case 150. At this time, the first packing 192 of the two packing (192,194) is installed between the inner end of the outer case 150 and the front end of the inner housing 160 located in the front of the nozzle 180, the inside of the nozzle 180 It serves to seal the outside from the outside. In addition, the second packing 194 of the two packings 192 and 194 is installed at the front side of the portion where the engaging protrusion 165 of the inner housing 160 and the mounting hole 152 of the outer case 150 are coupled to each other. It serves to seal the inside of the nozzle 180 from the outside.

Here, the packing (192,194), such as the engaging groove 138 formed in the fitting protrusion 134 of the air generator 130 in the portion where the packing (192,194) between the inner housing 160 and the outer case 150 is installed Preferably, the groove is formed so that it can be caught. In this case, when the inner housing 160 is inserted into the outer case 150 and two packings 192 and 194 are installed at the front and rear ends of the inserted portion of the inner housing 160 and the outer case 150. Between the outer circumferential surface of the inserted inner housing 160 and the inner circumferential surface of the outer case 150, a predetermined gap 117 is formed that is sealed to the outside, and the gap 117 is a liquid 80 supplied from the liquid reservoir 130. Before the supply to the liquid inlet 168 formed in the inner housing 160 serves as a liquid flow path intermediate.

Hereinafter, the operation and effects together with the assembling procedure of the fluid injection device 100 according to the embodiment of the present invention configured as described above will be described in detail.

First, the user places the inner housing 160 inside the outer case 150 while the first packing 192 and the second packing 194 are positioned at an appropriate position between the outer case 150 and the inner housing 160. It will be inserted into the space. At this time, when the user inserts and rotates the inner housing 160 into the inner space of the outer case 150, the locking protrusion 165 formed in the inner housing 160 is coupled to the coupling groove 153 of the outer case 150. The coupling between the inner housing 160 and the outer case 150 is completed and firmly fixed to each other.

Then, the user is to couple the liquid reservoir 110 to the coupling portion formed on one side of the outer case 150. At this time, the first catching jaw 112 of the liquid reservoir 110 is rotatably coupled to the second catching jaw 155 of the outer case 150, and the coupling of the liquid reservoir 110 is completed.

Subsequently, the user inserts the fitting protrusion 134 of the air generator 130 into the insertion hole 167 formed at the rear portion of the inner housing 160 inserted into the outer case 150 to form the air generator 130 and the inner housing ( 160 is coupled and the assembly of the fluid injection device 100 is completed.

Then, when the assembly of the fluid injection device 100 is completed as described above, the user operates the air generator 130 by turning on the drive switch 132 installed in the air generator 130. At this time, the air generated from the air generator 130 flows into the inner housing 160 of the nozzle 180 along the air supply hole 136 of the fitting protrusion 134 and is formed in the inner housing 160 ( After passing through the 164 and the neck 163 is discharged to the outside through the injection hole 161 and the injection hole 151.

Here, the air passing through the inside of the inner housing 160 of the nozzle 180 passes at an appropriate speed in the relatively large air flow path 164, but passes through the neck 163 connected to the air flow path 164. At this time, the fluid passes through at a very high speed. At this time, the pressure of the neck 163 through which the air passes at a very high speed is rapidly lowered in inverse proportion to the high speed of the air.

Accordingly, the liquid 80 stored in the liquid reservoir 110 is formed by the nozzle 180 in the liquid reservoir 110 due to the pressure difference between the internal pressure of the liquid reservoir 80 and the rapidly lowered neck 163. ) Is quickly introduced into the neck 163 formed. That is, the liquid 80 stored in the liquid reservoir 110 flows into the liquid supply hole 157 formed in the outer case 150 after passing through the liquid transfer pipe 114, and into the liquid supply hole 157. The introduced liquid 80 flows into the liquid inlet 168 formed in the inner housing 160 along the liquid flow path formed in the gap 117 of the inner housing 160 and the outer case 150, and finally the inner housing ( It is introduced into the neck 163 formed in 160.

At this time, the liquid 80 introduced into the neck 163 of the inner housing 160 is sprayed to the outside while being misted by the air passing through the neck 163 at a high speed.

As described above, the fluid spraying device 100 according to the present invention allows the air generated in the air generator 130 to flow into the neck 163 through the air flow path formed in the central portion of the nozzle 180, the liquid reservoir The liquid 80 stored in the 110 is configured to flow into the neck 163 through an edge portion of the nozzle 180, which is a gap 117 between the inner housing 160 and the outer case 150. Since the air that is injected while misting 80 passes through the neck 163 at a very high speed, the liquid 80 can be sprayed with a certain amount of mist while reliably misting.

In particular, the nozzle 180 used in the fluid injection device 100 has been recently used because its structure is very simple and easy to assemble, and the liquid 80 can be sprayed with a certain pressure even with a low pressure. It is very suitable for small products such as small nose cleaners and face sprays.

As described above, the fluid ejection device according to the present invention allows the air generated in the air generator to flow into the neck through the air flow path formed in the center portion of the nozzle, and the liquid stored in the liquid reservoir is stored in the inner housing and the outer case. It is configured to flow into the neck through the edge of the nozzle, which is a crevice. Since the air that flows while misting the liquid passes through the neck at a very high speed, it can be sprayed with a certain amount of mist evenly at a lower pressure than in the past. have.

Claims (3)

An air generator for generating air; A liquid reservoir in which the liquid is stored The liquid reservoir is coupled to one side, and the air generator is coupled to one end, and the other end is a neck sprayed while misting the liquid supplied from the air generator and the liquid supplied from the liquid reservoir And the air supplied from the air generator is introduced into the neck through a central portion, and the liquid supplied from the liquid reservoir includes a nozzle introduced into the neck through an edge portion. Injector. The nozzle of claim 1, wherein the nozzle has a cylindrical cylindrical shape, one end of which is formed with an injection hole for injecting the liquid and the air, and the other end has a mounting hole opened with a predetermined diameter, and the liquid reservoir is coupled to one side thereof. An outer case in which a coupling means is formed; The cylindrical cylindrical shape is inserted into the mounting hole of the outer case is formed in the center portion of the air passage having an internal diameter of a predetermined size so that the air is introduced, and at one end is formed the neck that the internal diameter is sharply smaller than the air passage; An inner housing having an insertion hole formed at the other end to mount the air generator, And a packing which is formed between the outer case and the inner housing and forms a gap between the outer case and the inner housing so that the liquid flows in and seals the gap from the outside. 3. The fluid spray apparatus of claim 2, wherein a coupling groove is formed in an adjacent portion of the mounting hole formed in the outer case so that the inner housing is fitted and fixed, and a locking protrusion is formed in the inner housing. .