KR20070045877A - Sprayer - Google Patents

Abstract

The present invention relates to a nebulizer with a spray nozzle having a jet hole to atomize the fluid into ultra-fine particles using the centrifugal force according to the rotation of the drive unit, and to blow the atomized particles to improve the convenience of use,

 The nebulizer of the present invention is configured to be integrally penetrating through the center of the main body having a water tank, a driving unit coupled to the upper end of the main body, the driving unit so that the fluid can be desalted in the lower portion, the fresh water in the water tank when driving the drive unit A rotary shaft provided with a hollow portion to allow fluid to be sucked, a suction nozzle coupled to one end of the rotary shaft to suck the fluid into the hollow portion in the rotary shaft, and coupled to the other end of the rotary shaft and sucked through the suction nozzle to be guided to the hollow portion It characterized in that it comprises a spray nozzle for atomizing the fluid by centrifugal force.

Atomizer, spray, atomization, atomization, rotary atomizer, centrifugal force

Description

Atomizer {SPRAYER}

1 is a cross-sectional view showing a first embodiment according to the nebulizer of the present invention.

FIG. 2 is an enlarged cross-sectional view of the suction nozzle, the injection nozzle, and the driving unit of FIG. 1; FIG.

Figure 3 is an exploded perspective view for showing the ejection hole of the spray nozzle according to the sprayer of Figure 1;

Figure 4 is a plan view of the spray nozzle according to the sprayer of the present invention in a state in which the cover is removed.

5 is a sectional view showing a second embodiment according to the nebulizer of the present invention.

<Description of Symbols for Major Parts of Drawings>

100: sprayer 10: main body 11: water tank

12: power supply unit 13: fastening unit 14: power supply terminal

15: step

20: drive unit 21: drive shaft 22: power supply unit

23: drive part housing 24: terminal 25: O-ring groove

30: suction nozzle 31: suction hole

40: injection nozzle 41: nozzle 42: fine hole

43: expansion hole 44: jet hole 45: cover

50: blowing wing 60: battery 70: cover

71: blower port 72: inlet hole 73: fastening portion

80: rotation shaft 81: hollow portion 82: bearing

110: power transmission unit 111: drive gear 112: driven gear

The present invention relates to a nebulizer, and more particularly, to a nebulizer having an injection nozzle having a jet hole, by using centrifugal force according to the rotation of the driving unit to atomize the fluid into ultra-fine particles, and to blow the atomized particles to improve convenience for use. will be.

In general, a nebulizer is a device that atomizes and discharges a fluid (liquid) by using a pump or the like. A small manual nebulizer that pressurizes and pumps a pump as necessary by human power, and an automatic powder that reciprocates a piston by using power Classified as bookkeeping.

The manual sprayer is compact and easy to carry, but has a disadvantage in that it must be sprayed by hand.

And the automatic atomizer has the advantage that it can be sprayed without applying a separate force by allowing the fluid to be sprayed by using the power, but in order to use the power, a separate power source must be provided, bulky and considerable weight, There is a disadvantage to use only in position.

In addition, the automatic atomizer is sprayed at a high pressure, there is a problem that the spray particles are large, uniformly generated.

Therefore, in order to solve the above problem, Patent No. 432065, "Atomizer of the centrifugal rotating plate type," has been proposed. This is combined with a plurality of rotating plate to rotate in the reverse rotation and forward facing each other and the driving unit is installed so that each of the rotating plate is rotated in charge of the reverse rotation and the forward rotation respectively so that the fluid passing through the rotating plate and the reverse rotation Although it was sprayed uniformly by hitting the rotating plate, the driving unit in charge of the forward and reverse is used more than necessary, there is a problem that the structure is complicated by using a plurality of rotating plates. In addition, there is a problem that can not be carried by the fluid to be supplied separately.

Therefore, there is a need for a new atomizer that can solve the above problems.

The present invention has been made in view of the above necessity, and its object is to provide a portable atomizer by miniaturizing the size and simplifying the construction.

In addition, an object of the present invention is to provide an atomizer in which fluid (liquid) can be atomized into ultra-fine particles automatically by the centrifugal force of the driving unit, thereby improving convenience in use.

The sprayer according to the first embodiment according to the present invention for achieving the above object is provided with a main body having a water tank so that the fluid can be desalted in the lower portion, a drive unit coupled to the upper end of the main body, through the center of the drive unit It is configured to be integrated, but the suction shaft coupled to one end of the rotary shaft provided with a hollow portion to the suction of the fresh water in the water tank when driving the drive unit to suck the fluid into the hollow portion in the rotary shaft and the other end of the rotary shaft It is characterized in that it comprises a spray nozzle which is coupled through the suction nozzle and atomized by the centrifugal force of the fluid guided to the hollow portion.

Here, it is preferable to combine the blowing blades to the rotating shaft so that the atomized particles generated through the injection nozzle is guided to the outside of the main body.

And the injection nozzle is preferably composed of a nozzle coupled to the other end of the rotating shaft, and a cover coupled to the nozzle to enable the external injection of atomized particles.

In addition, the nozzle unit is preferably configured to be divided into a micro-pores, expansion holes and blowing holes to enable atomization of the fluid by the centrifugal force according to the rotation of the rotary shaft.

In addition, the micro-pores are composed of a path of different diameters, the upper and lower sides from the center to the outside,

The expansion hole is configured to guide the atomized particles that are ejected from the micropores of different diameters, the upper and lower sides to the ejection holes,

The blowing hole is preferably covered in a spiral so as to be covered by a cover so that the external blowing of atomized particles is made in all directions.

Nebulizer according to a second embodiment according to the present invention for achieving the above object

A main body having a water tank so that the fluid can be contained in the lower portion, a driving portion coupled to the upper end of the main body, a hollow portion is provided to suck the fresh water in the water tank is linked to the drive unit when driving the drive, separated on one end of the driving portion Rotating shaft coupled, the power transmission unit for connecting the rotating shaft and the driving unit to transfer the driving force to the rotating shaft, a suction nozzle coupled to one end of the rotating shaft to suck the fluid into the hollow of the rotating shaft, and coupled to the other end of the rotating shaft And an injection nozzle configured to atomize the fluid drawn through the suction nozzle and guided into the hollow part by centrifugal force.

Here, the power transmission unit is preferably composed of a drive gear provided on the drive shaft of the drive unit, and a driven gear provided on the rotating shaft to be engaged with the drive gear.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, the terms defined are defined in consideration of functions in the present invention, and should not be understood as a meaning of limiting the technical components of the present invention.

1 is a cross-sectional view showing a first embodiment according to the sprayer of the present invention, Figure 2 is a cross-sectional view showing an enlarged inside of the suction nozzle, the injection nozzle and the drive unit of Figure 1, Figure 3 is a spray according to the sprayer of Figure 1 An exploded perspective view for showing the ejection hole of the nozzle.

4 is a plan view showing the spray nozzle according to the sprayer of the present invention in a state where the cover is removed.

Referring to the drawings, as shown in FIG. 1, the nebulizer 100 of the present invention includes a main body 10 having a water tank 11 so as to receive fluid, and a driving unit 20 coupled to the upper end of the main body 10. ), A rotating shaft 80 provided with a hollow portion 81 to suck the fresh water in the water tank 11, a suction nozzle 30 for sucking the fluid of the water tank 11, and the suction nozzle And a spray nozzle 40 which atomizes the fluid sucked through 30 by centrifugal force.

And it is provided on the rotary shaft 80 is further provided with a blowing wing 50 for blowing atomized particles generated through the injection nozzle 40 to the outside.

The fluid is an aqueous solution obtained by diluting water or a chemical with water.

The main body 10 having the water tank 11 is further provided with a power supply 12 to drive the drive unit 20, the power supply 12 is to be supplied with AC power of 100 ~ 220V Alternatively, a DC power source using the battery 60 as a power source may be supplied. In the present invention, it is described that the DC power is supplied using the battery 60.

The main body 10 has a fastening portion 13 formed at an edge to be coupled to the cover 70 to be described later, the fastening portion 13 is coupled to the cover 70 to be described later ring to maintain the airtight Form of packing P is installed. And the fastening portion 13 is provided in a spiral form. In addition, the fastening part 13 may be provided in the form of protrusions and grooves to be fitted.

In addition, the main body 10 is provided with a power supply terminal 14 for contacting the power supply unit 20 to supply power, and is connected to the power supply unit 12. In addition, a step 15 is formed at the upper end of the water tank 11 so that the driving unit 20 may be seated.

The drive unit 20 installed in the main body 10 is a DC motor using a DC power source, and has a rotating shaft 80 having a predetermined length in the center thereof, and the rotating shaft 80 has a hollow vertically penetrating the center thereof. The part 81 is formed. Here, the hollow portion 81 formed on the rotation shaft 80 guides the fluid to be atomized by centrifugal force.

In addition, the driving unit 20 is provided with a driving unit housing 23 for sealing the whole except the rotating shaft 80 to prevent the malfunction by the fluid leakage, the driving unit housing 23 is the main body ( It is provided to be seated on the step 15 of 10).

In addition, a terminal 24 connected to the driving unit 20 so as to supply power to the outer circumference is provided at an outer circumference corresponding to the power supply terminal 14 of the main body 10. Therefore, when the driving unit housing 23 integrating the driving unit 20 is inserted into the main body 10, the driving unit 23 is caught by the step 15 and seated on the power supply terminal 14 and the driving unit housing 23 of the main body 10. The formed terminal 24 is brought into contact with each other to be energized.

O-ring grooves 25 are formed on upper and lower outer peripheries, respectively, so as to maintain airtightness around the terminal 24, and O-rings o are inserted into the O-ring grooves 25, respectively.

A suction nozzle 30 is installed below the rotating shaft 80 as shown in FIGS. 1 and 2, and the suction nozzle 30 is inserted into the hollow portion 81 of the hollow portion 81. The suction hole 31 having an inner diameter D1 smaller than the inner diameter of the hollow portion 81 is formed by forming an outer diameter having the same diameter as the inner diameter D2 and penetrating through the center thereof.

Here, the suction hole 31 has a step or an inclination with the hollow portion 81, and when the driving unit 20 is driven to rotate the rotating shaft 80, the inner diameter D1 and the hollow portion ( The fluid is first suctioned by the inner diameter difference with the inner diameter D2 of 81).

That is, when the primary suction of the fluid is supplied to the driving unit 20 and the rotating shaft 80 rotates, centrifugal force is generated to cause the fluid to vortex in the suction hole 31, and the fluid to the vortex This flows in the direction perpendicular to the rotation direction.

At this time, when the fluid flows through the suction hole 31 having the narrow inner diameter D1 and enters the hollow portion 81, the pressure drops rapidly due to the increase in the cross-sectional area by the large inner diameter D2 of the hollow portion 81. In order to supplement the pressure, the fluid of the high pressure water tank 11 is supplied through the suction hole 31.

2 and 3, an injection nozzle 40 is provided for atomizing the fluid introduced through the suction nozzle 30, and the injection nozzle 40 is provided on the rotary shaft 80. The nozzle portion 41 is formed to be coupled to the 80, and the fine holes 42 having different diameters D3 and D4 at the upper and lower sides are formed in the center of the nozzle portion 41.

In addition, the expansion hole 43 extends from the fine hole 42 and guides the fluid ejected from the fine hole 42 and has an inner diameter D5 larger than the inner diameter D4 of the fine hole, and the expansion hole. The fluid guided by 43 is composed of a blowing hole 44 which is spiraled so as to be ejected into atomized particles. Here, the ejection hole 44 is covered with a cover to cover the nozzle portion 41 so as to cover the nozzle portion 41 while the fluid is ejected and atomized.

Therefore, the secondary suction is made by the inner diameter difference between the inner diameter D2 of the hollow portion 81 provided in the rotating shaft 80 and the lower inner diameter D3 of the micropores 42, and in the micropores 42 The third suction is performed by the difference between the upper and lower diameters D3 and D4.

After the fourth suction is performed by the inner diameter difference between the upper diameter D4 of the fine hole 42 and the inner diameter D5 of the expansion hole 43, the ejection hole 44 is formed as shown in FIG. 4. Through the fluid is atomized by centrifugal force.

Wherein the second to fourth suction is the same as the first suction, the fluid inside the vortex generated by the centrifugal force flows in the direction perpendicular to the rotational direction, the fluid by sucking the fluid to compensate for the pressure due to the respective diameter difference Will rise.

The ejection hole 44 is formed to 0.1mm or less but preferably has a diameter of 0.005 ~ 0.015mm. At this time, the atomized particles through the blow holes 44 are fine particles of the degree blown by the wind. And a plurality of blow holes 44 are formed radially around the expansion hole (43).

Blowing wings 50 to blow the atomized atomized particles in the form of the fine particles is fixed to the rotating shaft 80 of the lower portion of the injection nozzle (40). The blowing blades 50 are fixed to the rotating shaft 80 and interlocked with the rotating shaft 80 to blow atomized particles to the outside.

The power source battery 60 for driving the driving unit 20 uses a known DC battery. In addition, a switch (not shown) for turning on / off the power supplied from the battery 60 is provided in the main body 10.

The main body 10 is provided with a transparent or semi-transparent cover 70 to protect the injection nozzle 40 and the blowing wing 50. The cover 70 penetrates up and down, and an upper portion thereof is formed with a blower 71, and a lower portion of the cover 70 has a grille shape along the edge thereof so that air to be blown by the blower wing 50 flows in the outer circumference thereof. Is formed.

The cover 70 is fastened to the fastening part 13 of the main body 10 by forming the fastening part 73 at the lower end, and the cover 70 is formed to have a streamline shape to smoothly blow the spray particles. .

Hereinafter, the operation of the nebulizer according to the present invention will be described with reference to FIGS. 1 to 4.

First, when power is supplied to the drive unit 20 by turning on a switch (not shown) of the power supply unit 12, the drive unit 20 rotates the rotation shaft 80. And the suction nozzle 30, the injection nozzle 40, and the blowing blades 50 coupled to the rotary shaft 80 rotates together. The centrifugal force is generated by the driving unit 20 by the driving shaft 20, the suction nozzle 30, and the injection nozzle 40.

At this time, the fluid is first suctioned by the difference between the inner diameter D1 of the suction hole 31 and the inner diameter D2 of the hollow portion 81, and the first sucked fluid is injected along the hollow portion 81. You are guided to. The fluid guided to the injection nozzle 40 is secondarily sucked by the difference between the inner diameter D2 of the hollow portion 81 and the lower inner diameter D3 of the micropores 42, and the fluid is injected into the micropores 42. ) And the third suction through the inclined surface by the difference between the upper and lower inner diameter (D3, D4).

After the fourth suction is generated by the fine hole 42 and the expansion hole 43 is atomized through the ejection hole 44. Here, the atomized particles injected through the jet hole 44 are fine in the form of fine particles and atomized into a mist form. Here, the first to fourth suctions are vortices generated by the centrifugal force so that the fluid flows in a direction perpendicular to the rotational direction, and the fluid rises by sucking the fluid to compensate for the pressure caused by the difference in diameter.

Since the atomized particles are blown to the outside by the blowing blades 50 fixed to the rotary shaft 80 together with the injection nozzle (40).

In this case, the atomized particles blown may control the humidity of the room when the fluid is used indoors, and may be used as a chemical spray when the fluid is used as the chemical.

5 is a sectional view showing a second embodiment according to the nebulizer of the present invention.

Hereinafter, in describing the second embodiment of the nebulizer 100 'according to the present invention, the same reference numerals are used for the components having the same function as in the first embodiment.

Referring to the drawings, as shown in FIG. 5, the nebulizer 100 ′ of the present invention sucks the main body 10 having the water tank 11 and the fresh water in the water tank 11 so as to receive the fluid. The driving unit 20 to be driven, the rotary shaft 80 to suck the fresh water fluid rotated by the drive of the drive unit 20, the suction nozzle 30 for sucking the fluid and the suction nozzle ( Injection nozzle 40 for atomizing the fluid sucked through 30 by centrifugal force, and a power transmission unit 110 for transmitting the rotation of the drive unit 20 to the rotary shaft 80 is provided.

Here, the power transmission unit 110 is a drive gear 111 installed on the drive shaft 21 of the drive unit 20 and the driven gear 112 is engaged with the drive gear 111 and installed on the rotary shaft 80. It is composed.

The rotating shaft 80 has an empty hollow portion 81, and a bearing 82 is installed in the drive housing 23 so that power of the drive unit 20 is transmitted. The bearing 82 here is a rolling bearing.

The hollow portion 81 formed on the rotation shaft 80 guides the fluid to be supplied by the centrifugal force.

A suction nozzle 30 is installed below the rotary shaft 80, and an injection nozzle 40 is installed above the rotary shaft 80 to atomize the fluid introduced through the suction nozzle 30. Here, since the suction nozzle 30 and the injection nozzle 40 have the same configuration as the first embodiment, reference is made to the first embodiment.

The driving unit housing 23 has a power supply unit 22 formed at one side to supply power to the driving unit 20. Accordingly, the power supply unit 22, the driving unit 20, and the rotation shaft 80 are integrally formed in the driving unit housing 23.

In addition, a cover fastening portion 23a to which the cover 70 is coupled is formed at an upper edge of the driving unit housing 23 to fasten the fastening portion 73 of the cover 70, and the main fastening portion 23b to a lower edge thereof. ) Is formed to fasten the fastening part 13 of the main body 10. That is, the main body 10, the drive unit housing 23, the cover 70 are coupled in a stacked form, and the packing P is installed and sealed at a portion to be fastened.

Hereinafter, the operation of the nebulizer 100 'according to the second embodiment of the present invention will be described with reference to FIG.

First, when power is supplied to the drive unit 20 by turning on a switch (not shown) of the power supply unit 22, the drive unit 20 rotates the drive shaft 21. Then, the drive gear 111 coupled to the drive shaft 21 and the driven gear 112 coupled to the rotation shaft 80 are engaged to rotate the rotation shaft 80. Therefore, centrifugal force is generated.

At this time, the fluid is first suctioned by the difference between the inner diameter D1 of the suction hole 31 and the inner diameter D2 of the hollow portion 81, and the first sucked fluid is injected along the hollow portion 81. You are guided to. The fluid guided to the injection nozzle 40 is secondarily sucked by the difference between the inner diameter D2 of the hollow portion 81 and the lower inner diameter D3 of the micropores 42, and the fluid is injected into the micropores 42. ) And the third suction through the inclined surface by the difference between the upper and lower inner diameter (D3, D4).

After the fourth suction is generated by the fine hole 42 and the expansion hole 43 is atomized through the ejection hole 44. Here, the atomized particles injected through the jet hole 44 are fine in the form of fine particles and atomized into a mist form.

In addition, the first to fourth suctions cause the fluid inside to vortex by the centrifugal force and flow in a direction perpendicular to the rotational direction, and the fluid rises by sucking the fluid to compensate for the pressure caused by the respective diameter difference.

Since the atomized particles are blown to the outside by the blowing blades 50 fixed to the rotary shaft 80 together with the injection nozzle (40).

Although the technical idea of the humidifier of the present invention has been described with the accompanying drawings, it is intended to exemplify the best embodiment of the present invention and not to limit the present invention.

Therefore, it is obvious that any person skilled in the art can make various modifications and imitations such as dimensions, shapes, structures, etc. without departing from the scope of the technical idea of the present invention.

As described above, the nebulizer of the present invention has a hollow structure inside the drive shaft driven by the battery and the suction nozzle and the injection nozzle are combined with the rotary shaft to make the configuration simple, miniaturized, and portable. have.

In addition, since a plurality of ejection holes are formed in the injection nozzle, the fluid (liquid) is atomized into ultra-fine particles automatically by centrifugal force, thereby improving convenience in use.

In addition, when the cover is applied as a transparent material or a translucent material, the decorative property is improved by fine atomized particles, and when used at home or indoors, there is an effect that can function as a humidifier by the atomized particles.

Claims (7)

A main body having a water tank so as to receive the fluid in the lower portion; A driving unit coupled to an upper end of the main body; A rotating shaft configured to be integrally penetrated through the center of the driving unit and provided with a hollow portion to allow suction of the fresh water to the water tank when the driving unit is driven; A suction nozzle coupled to one end of the rotating shaft to suck the fluid into the hollow part of the rotating shaft; And An injection nozzle coupled to the other end of the rotating shaft to atomize the fluid sucked through the suction nozzle and guided to the hollow part by centrifugal force; Sprayer characterized in that it comprises a. The rotating shaft of claim 1, And atomizing blades coupled to the rotating shaft so that atomized particles generated through the spray nozzles are guided to the outside of the main body. The method of claim 2, wherein the injection nozzle, And a nozzle coupled to the other end of the rotating shaft, and a cover coupled to the nozzle to enable external ejection of atomized particles. The method of claim 4, wherein the nozzle unit, Sprayer, characterized in that divided into fine pores, expansion holes and ejection holes to enable atomization of the fluid by the centrifugal force according to the rotation of the rotary shaft. The method of claim 4, wherein The micropores are composed of a path of different diameters, the upper and lower sides leading from the center to the outside, The expansion hole is configured to guide the atomized particles that are ejected from the micropores of different diameters, the upper and lower sides to the ejection holes, The spraying hole is covered with a cover, characterized in that the spiral configuration so that the external ejection of atomized particles made in all directions. A main body having a water tank so as to receive the fluid in the lower portion; A driving unit coupled to an upper end of the main body; A rotating shaft which is interlocked to drive the driving unit and sucks the fresh water in the water tank, and is coupled to one end of the driving unit; A power transmission unit connecting the rotating shaft and the driving unit to transfer the driving force of the driving unit to the rotating shaft; A suction nozzle coupled to one end of the rotation shaft to suck fluid into the hollow portion of the rotation shaft; And, An injection nozzle coupled to the other end of the rotating shaft to atomize the fluid drawn through the suction nozzle and guided into the hollow part by centrifugal force; Sprayer characterized in that it comprises a. The method of claim 6, wherein the power transmission unit And a drive gear provided on the drive shaft of the drive unit, and a driven gear provided on the rotation shaft to be engaged with the drive gear.

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