WO2011055861A1

WO2011055861A1 - Vacuum cleaner

Info

Publication number: WO2011055861A1
Application number: PCT/KR2009/006413
Authority: WO
Inventors: 정창욱; 현기탁
Original assignee: 엘지전자 주식회사
Priority date: 2009-11-03
Filing date: 2009-11-03
Publication date: 2011-05-12
Also published as: AU2009355015B2; EP2420172B1; AU2009355015A1; EP2420172A4; EP2420172A1; US20120011679A1

Abstract

A vacuum cleaner is disclosed. The present invention relates to a vacuum cleaner that is able to form dust and foreign substances collected in a dust collection device (100) provided therein in a single mass shape to discharge it efficiently, not scattered in a dust collecting device (160). The vacuum cleaner includes a body (1 ), a dust separation device (300) mounted in the body, a dust collection device (100) independently provided from the dust separation device (300), connected to the dust collection device (100), a compression device provided in the dust collection device (100), to collect dust and foreign substances collected in a predetermined portion of the dust collection device (100) and to compress the collected dust and foreign substances, and a liquid supply device (200) provided in the dust collection device (100) to supply liquid material to the dust collection device (100).

Description

Vacuum cleaner

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner, and more particularly, to a vacuum cleaner capable of spraying a predetermined liquid material on dust or the like to prevent scattering from occurring during dust collection or cleaning of the dust collector, thereby increasing user convenience.

A vacuum cleaner is an electric device that can remove dust and other foreign substances from the floor or furniture of a building by using a mechanism that sucks external air using a vacuum pressure.

Such a vacuum cleaner is divided into a canister method in which a main body and a suction nozzle are separated and connected by a predetermined tube, and an up-right method in which the suction nozzle and the main body are provided as one type.

In general, a vacuum cleaner shows a suction nozzle, a dust separator in which air and foreign substances introduced from the suction nozzle are separated by a cyclone principle, and is connected to a foreign substance discharge part of the dust separator to collect dust and other foreign substances. A dust collector, a vacuum motor connected to the air discharge part of the dust separation device to form a vacuum pressure, and a filter connected to the discharge part of the vacuum pump to filter the air flowing out.

In this configuration, when the user operates the vacuum cleaner, the air and the foreign matter passing through the suction nozzle rotate in the dust separator, while the mass of the large foreign matter rotates the inner circumferential surface of the dust separator by the centrifugal force and enters the dust collector.

The purified air is discharged to the outside through the motor and the filter.

By the way, when dust and other foreign matter accumulate in the dust collector, it may scatter in the inside by the light mass, and also there exists a problem to scatter even when the dust collector is taken out and discarded the foreign matter inside.

An object of the present invention is to provide a vacuum cleaner that can aggregate agglomerates to a certain size so that dust and other foreign matters do not scatter inside the dust collector.

Therefore, it is an object of the present invention to provide a vacuum cleaner which can prevent the scattering of dust in the dust collector and make it easier to collect and discharge the foreign matter.

The present invention for achieving the above object, the body; and a dust separation apparatus mounted to the main body; a dust collector provided separately from the dust separation apparatus and connected to the dust separation apparatus; provided in the dust collector; A compression device for collecting dust or foreign matter accumulated in the device into a specific part and compressing the vacuum; and a liquid supply device provided in the dust separation device and supplying a predetermined liquid material into the dust separation device. Provide a cleaner.

According to the present invention, when dust is collected inside the dust collector during the use of the vacuum cleaner, a viscous liquid material is discharged from the liquid supply device and mixed with the dust to prevent the dust from scattering in the dust collector.

In particular, the liquid material is injected in the dust separation apparatus, by which the dust and the like in the dust separation apparatus is agglomerated with each other, the centrifugal force of the dust mass is increased to be more easily introduced into the dust collector, dust collection can be made easier. .

On the other hand, if the user mixes the liquid with a liquid material to form a lump and then separates the dust collector from the main body and cleans the inside, the user may increase the convenience of the user since the dust may be thrown out in the form of a lump without being scattered. .

1 is a perspective view of a vacuum cleaner main body according to the present invention.

2 is an exploded perspective view of the vacuum cleaner according to the present invention.

3 is a perspective view of a first embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

4 is a plan view of a first embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

Fig. 5 is a side sectional view of a first embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

6 is a perspective view of a second embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

7 is a plan view of a second embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

Fig. 8 is a side sectional view of a second embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

9 is a perspective view of a third embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

10 is a plan view of a third embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

Fig. 11 is a side sectional view of a third embodiment of a liquid supply device and a dust separation device of a vacuum cleaner according to the present invention.

Fig. 12 is a side sectional view showing the operation of the vacuum cleaner provided with the first embodiment of the liquid supply apparatus according to the present invention.

Fig. 13 is a side sectional view showing the operation of the vacuum cleaner provided with the second embodiment of the liquid supply apparatus according to the present invention.

Fig. 14 is a side sectional view showing the operation of the vacuum cleaner provided with the third embodiment of the liquid supply apparatus according to the present invention.

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

However, the spirit of the present invention is not limited to the embodiments presented, and those skilled in the art who understand the present invention can easily suggest other embodiments within the scope of the same idea.

As shown in FIG. 1, the vacuum cleaner according to the present invention includes a main body 1 and a suction part in which a connection pipe 20 to which a suction nozzle (not shown) is connected in front of the main body 1 may be provided. 30 and wheels 10 provided on both sides of the main body 1 to allow the main body 1 to move easily.

The upper portion of the main body 1 is provided with a cover member 40 for protecting the internal components of the main body 1 from the outside, the upper portion of the cover member 40, the handle portion that can be easily gripped by the user 45 is provided.

In addition, a front side of the cover member 40 is provided with a fixing member 46 of the button and the latch combination method that the cover member 40 can be detachably fixed to the main body (1).

The front of the main body 1 is provided with a dust collector 100 for collecting dust and other foreign matter, the dust collector 100 is made of a transparent material is provided so that the collected dust and other foreign matter can be seen from the outside It is preferable.

The dust collecting apparatus 100 includes a dust collecting container 110 for collecting dust and other foreign matter, a handle 140 mounted to the dust collecting container 110, and a dust collecting cover covering an upper portion of the dust collecting container 110 ( 150).

In addition, the dust collecting container 110 is provided with a compression device for compressing the dust and other foreign matter in the measurement direction inside the dust collecting container 110, the compression device is a fixed plate 180 and the rotating plate ( 190).

As shown in FIG. 2, a dust separation device 300 capable of separating air and dust is mounted inside the main body 1. Here, the dust separator 300 is preferably configured as a cyclonic system, but is not limited thereto.

Here, the dust separator 300 has a cylindrical body portion 310, the air discharge member 320 and the body portion 310 is provided on both sides of the inside of the body portion 310 and comprises a plurality of through holes It is provided in the center includes a discharge portion 330 for discharging dust separated from the air.

In addition, an inlet (not shown) through which the outside air and dust flows is provided below the body portion 310, and on both sides of the body portion 310 of the air passing through the air discharge member 320. An air guide 340 is provided to guide the movement.

Here, the rear of the body portion 310 is provided with a primary filter device 350 for filtering the air discharged from the body portion 310, the primary filter device 350 is the air guide portion 340 It is connected to the body portion 310 by the).

In addition, a lower portion of the dust separator 300 is provided with a motor unit (see FIG. 12, 360) to form a vacuum pressure for sucking air, and the motor unit 360 is connected to the first filter device 350. It is connected to suck the air passing through the first filter device 350 and to discharge again to the outside of the main body (1).

Meanwhile, a dust collecting device accommodating part 500 having a hemispherical groove shape in which the dust collecting device 100 is partially accommodated is provided in front of the main body 1, and the dust collecting device 500 is provided in the dust collecting device accommodating part 500. 100 is detachably housed.

A predetermined connecting plate 520 is provided between the dust separator 300 and the dust collecting device 100, and the handle 140 of the dust collecting device 100 is detachably attached to the lower surface of the connecting plate 520. Connected.

In addition, a front portion of the cover member 40 is detachably connected to an upper surface of the connecting plate 520.

In addition, an end portion of the discharge part 330 of the dust separation device 300 is connected to the connection plate 520, and an inlet 161 of the dust collecting device 140 is connected to the connection plate 520.

Here, the suction port 161 is formed in the dust collecting cover 150.

Dust and other foreign matter that rotates in the dust separation apparatus 300 is moved by the centrifugal force by the discharge unit 330 and after entering the suction port 161 of the dust collector 10, the dust collecting container 110 It is gathered inside.

One side of the dust separator 300 is provided with a liquid supply device 200, the liquid supply device 200 serves to supply a predetermined liquid material inside the dust separator 300.

That is, when the dust or the like is rotated along the inner circumferential surface of the body portion 310 by the centrifugal force in the dust separation apparatus 300 and moved to the dust collector 100 under the guidance of the discharge unit 330. This is to allow other foreign matter to be mixed with the liquid material.

In this way, the weight between the dust or foreign matter is increased to increase the centrifugal force. The centrifugal force facilitates separation from the air, and more easily flows into the dust collector 100.

In addition, when dust or other foreign matter is collected in the dust collecting container 110 of the dust collecting device 100, the adhesion between the dust and other foreign matters is increased, thereby making it easier to form a lump.

In particular, when the dust and other foreign matter is compressed and gathered around the fixed plate 180 by the movement of the rotating plate 190 is more effective to form agglomeration between the dust and other foreign matter.

As shown in FIG. 3, the liquid supply device 200 is installed at an outer side of the body 310, specifically, at the rear thereof.

The liquid supply device 200 is preferably detachably installed in the dust separation device 300, for this purpose, the dust separation device 300, rib member 400 for supporting the liquid supply device 200. Is prepared.

The rib member 400 is preferably provided in a form surrounding the outer periphery of the liquid supply device 200.

Looking at the configuration of the liquid supply device 200, the receiving portion 201, the liquid material is accommodated, and the liquid material connected to the receiving portion 201 accommodated in the receiving portion 201 the body portion 310 And a discharge pump 202 for discharging therein.

In addition, the discharge pump 202 is provided with a guide tube 203, the liquid material discharged from the discharge pump 202 is introduced into the body portion 310 along the guide tube 203.

Here, it is preferable that the diameter of the end of the guide tube 203 is formed smaller than other portions so that the liquid substance discharged from the guide tube 203 is discharged in a spray form.

In addition, a discharge hole 311 is provided in the body portion 310 so that the guide tube 203 is inserted to discharge the liquid material.

The discharge part 330 is provided at the center of the body portion 310, the air discharge member 320 is disposed on both sides of the inner surface of the body portion (310).

In addition, a suction part 329 for guiding air, dust, and other foreign matter to the body part 310 is provided under the body part 310.

Therefore, when the vacuum cleaner according to the present invention operates, the air and dust or other foreign matters introduced into the suction unit 329 move in the body 310, and the dust and other foreign matters are separated by their weight. While turning along the inner circumferential surface of the body portion 310, it moves to the discharge portion 330 located at the center of the body portion 310.

Then, the dust is collected by the dust collector (see FIG. 2, 100).

The air from which dust is removed passes through the air discharge member 320 and is guided by the air guide 340 to pass through the primary filter device 350.

The primary filter device 350 serves to remove fine dust in the air.

The inside of the dust separator 300 is preferably coated with a special material that can flow down without contacting the liquid material. If not, the inside of the dust separator 300 may be dirty due to the liquid material and dust or other foreign matter mixed with the liquid material.

On the other hand, before the dust and other foreign matter is moved to the dust collector 100, it is preferable that the liquid material and dust and other foreign materials meet and move to the dust collector 100 together.

Therefore, as shown in Figure 4, the position of the guide tube 203 is located on the center line of the rear of the discharge portion 330, the air discharge member 320 provided on both sides of the discharge portion 330 The liquid substance is preferably injected into the dust or other foreign matter moving in the direction of the discharge unit 330 in the) direction.

In this way, the position of the guide tube 203 is located on the center line behind the discharge portion 330, the liquid material can be more widely sprayed.

Thus, dust and other foreign matter mixed with the liquid material may be discharged toward the dust collector (see FIG. 2, 100) along the discharge unit 330.

As shown in Figure 5, the guide tube 203 is preferably disposed inclined by a predetermined angle (a) toward the turning direction (A) of the dust and other foreign matter.

This is to make the injection direction of the liquid material injected from the guide tube 203 and the moving direction of the dust and other foreign objects similar. .

That is, it is preferable to arrange the guide tube 203 as described above in order to smoothly mix with the liquid substance while preventing the rotational movement of the dust and other foreign substances due to the injection of the liquid substance.

In this case, when the dust or other foreign matter is to move from the bottom to the top, the guide pipe 203 is preferably formed to be inclined upward.

If the turning movement is from top to bottom, it should be in the form of a downward slope.

This inclination arrangement is common to all embodiments to be described later.

Figure 6 shows another embodiment of the liquid supply device 200, wherein the liquid supply device 200 is a receiving portion 201 is a liquid material is accommodated and the receiving portion using the outside air flow It includes a guide tube 210 for guiding the liquid material of the 201 to the body portion (310).

Looking at the configuration of the guide tube 210, the first guide tube 211 and the first guide tube 211 connected to the receiving portion 201, the first guide tube 211 is inserted into the body portion 310 And a second guide tube 212 and a third guide tube 213 connected to the first and

second guide tubes

211 and 212 to guide the outside air toward the second guide tube 212.

The pressure inside the body 310 is lower than the external pressure in the third guide tube 213 to allow the air outside the body 310 to flow into the body 310 according to the operation of the vacuum cleaner. Opening and closing valve 214 is provided to open the third guide tube 213 to be able to.

The body 310 is provided with a discharge hole 311 is inserted into the second guide tube 212 to discharge the liquid material, the end of the second guide tube 212 is a liquid material sprayed state It is preferable that the diameter is made smaller than the other part so that it can be injected.

A rib member 400 is provided at the rear of the body 310 to prevent the liquid supply device 200 from being separated.

As shown in FIG. 7, the guide tube 210 is also disposed on the center line of the rear of the discharge part 330 so that the liquid material can be spread in a wider direction.

Specifically, the end of the second guide tube 212 is introduced into the body portion 310, the third guide tube 213 is extended to the rear of the second guide tube 212 desirable.

The on-off valve 214 provided in the third guide tube 213 may be of various types, but in this embodiment, it is fixed to one side wall of the third guide tube 213 and has a plate shape having elastic force. It is showing.

That is, when the vacuum cleaner does not operate and the inside of the body part 310 does not achieve a low pressure state lower than the external air pressure, the opening / closing valve 214 maintains a state in which the inside of the third guide tube 213 is closed. To prevent foreign substances from flowing into the body 310.

When the inside of the body portion 310 is formed at a low pressure state lower than an external air pressure by operating a vacuum cleaner, the opening / closing valve 214 is turned toward the body portion 310 so that the third guide tube 213 ) The interior is opened.

In addition, the outside air moves in the direction of the body portion 310 along the third guide tube 213.

At this time, due to the flow of air, the pressure near the contact point of the second guide tube 212, the third guide tube 213 and the first guide tube 211 is lower than the pressure of the receiving portion 201. .

Thus, the liquid material inside the receiving portion 201 is moved along the first guide pipe 211 to the contact point of the first, second, third guide pipes (211, 212, 213) and the body portion (2) along the flow of air 310) flows into the interior.

Since the diameter of the end of the second guide tube 212 is formed narrower than other places, the liquid material passing through the second guide tube 212 is diffused into the body portion 310 is discharged and discharged .

As shown in FIG. 8, an end portion of the second guide tube 212 is introduced into the body 310, and is disposed to be inclined at a predetermined inclination angle a in the rotation direction A of the dust or other foreign matter. do.

The reason for the inclined arrangement is that the spray direction of the liquid substance corresponds to the turning direction of the dust and foreign substances, thereby preventing the flow of swirling flow of the dust and other foreign substances due to the spraying of the liquid substance, while preventing the liquid substance from dust and other foreign substances. This is to ensure good mixing.

In this case, when the dust or other foreign matter is to move from the bottom to the top, the second guide tube 212 is preferably formed to be inclined upward.

Figure 9 shows that the liquid supply device 200 of the present invention is provided with a spray device.

Wherein the liquid supply device 200 is provided in the form of a spray device is a storage container 220 for storing the liquid material, the injection unit 230 is connected to the storage container 220 and responsible for the injection of the liquid material, and the It includes an injection housing 240 for receiving the injection unit 230.

And, one side of the injection housing 240 is provided with a button unit 241 for operating the injection unit 230, the driving unit 250 for pressing and operating the button unit 241 on one side of the injection housing 240 ) Is provided.

Here, the driving unit 250 is composed of an electronic motor to periodically press the button portion 241 to periodically discharge the liquid material into the body portion 310.

The liquid supply device 200 is provided at the rear of the body portion 310 to be detachable, and is fixed by the rib member 400.

An extension part 315 is provided at the rear of the discharge part 330 through which dust and other foreign substances are discharged, and is extended to the rear of the body part 310, and the injection housing 240 is coupled to the extension part 315. .

As the extension part 315 and the injection housing 240 are coupled, the guide tube 231 is introduced into the body part 310 so that a liquid material can be discharged into the body part 310.

Since the air discharge member 320, the air guide member 340, and the discharge part 330 and the suction part 329 are the same as described in the above-described other embodiments, a detailed description thereof will be omitted.

As shown in FIG. 10, the injection unit 230 is preferably disposed at the center of the rear side of the discharge unit 330 to allow the liquid material to diffuse into a large area.

In this way, the mixing between the dust and other foreign matter and the liquid material moving to the discharge unit 330 can be made more smoothly.

As shown in Fig. 11, the guide tube 231 is also inclined at a predetermined angle a so as to face the discharge direction A of dust and other foreign substances as in the other embodiments. This also aims at facilitating the mixing of the liquid substance and the dust and other foreign matters as mentioned in the description of the other embodiments, and at the same time not disturbing the turning of the dust and other foreign matters.

In this case, when the dust or other foreign matter is to move from the bottom to the top, the guide tube 231 is preferably formed to be inclined upward.

Hereinafter, an operation of the present invention will be described with reference to the accompanying drawings.

As shown in Fig. 12, when the liquid supply device 200 includes the storage unit (see Fig. 3, 201), the discharge pump 202 and the guide tube 203, when the vacuum cleaner operates, The air (indicated by a dotted line) and dust and other foreign matter (indicated by a solid line) are introduced into the body 310 of the dust separator 300 along the suction passage 2.

Air introduced into the body portion 310 of the cyclone system 300 passes through the air discharge member 320, and the first filter device 350, a motor 360 and a second filter generating a vacuum pressure. Passed through the device 360 is discharged to the outside of the main body (1).

In the case of dust or other foreign matter in the body portion 310, it is rotated along the inner wall of the body portion 310 by centrifugal force.

At this time, the liquid material discharged from the discharge pump 202 is sprayed into the body portion 310 by the guide tube 203 guided, and mixed with dust and other foreign matter.

Dust and other foreign matter mixed with the liquid material is accumulated in the dust collector 110 of the dust collector 100 after passing through the discharge unit 330.

The rotating plate 190 in the dust collecting container 110 moves in the direction of the fixing plate 180 to compress and accumulate dust and other foreign matter mixed with liquid materials on both sides of the fixing plate 180, thereby forming a dust mass. do.

Thereafter, when the user separates the dust collecting apparatus 100 from the main body 1 and tilts the dust collecting container 110 upside down to clean the inside of the dust collecting container 110, dust or other foreign matter in the form of agglomeration is dropped. will be.

As shown in Figure 13, when the liquid supply device 200 is provided with a receiving portion 201 and the first, second, third guide pipes (211, 212, 213) is as follows.

The air (indicated by a dotted line) and dust and other foreign matter (indicated by a solid line) are introduced into the body 310 of the dust separator 300 along the suction passage 2.

Air introduced into the body 310 of the dust separator 300 passes through the air discharge member 320, and the first filter device 350, the motor 360, and the second filter device 370. It passes through and is discharged to the outside of the main body (1).

At this time, the internal pressure of the body 310 is significantly lower than the external atmospheric pressure of the body 310 by the vacuum suction pressure of the motor 360.

Therefore, air flows in the direction of the third guide pipe 213, and the open / close valve 214 is open, and the inside of the first, second and

third guide pipes

211, 212, 213 is caused by the flow rate of air. The pressure is lower than that of the housing portion 201.

Thus, the liquid material in the accommodating part 201 is introduced into the body 310 together with the flow of air through the first and

second guide pipes

211 and 212.

In addition, the liquid material introduced into the body 310 is sprayed in a spray form and mixed with dust and other foreign matter.

The rotating plate 190 in the dust collecting container 110 moves in the direction of the fixed plate 180 to compress dust and foreign matter mixed with liquid materials while accumulating on both sides of the fixed plate 180 to form a lump of dust. do.

One end of the third guide tube 213 is preferably connected to the outside of the main body 1 so that external air can be more smoothly supplied, but is not limited thereto.

As shown in FIG. 14, when the liquid supply device 200 is provided in the form of a spray device, the liquid supply device 200 includes the reservoir 220, an injection unit 230, an injection housing 240, and a guide tube 231. Is substantially similar to the above-described embodiments.

When air and dust or other foreign substances are introduced into the body portion 310 by the operation of the vacuum cleaner, the dust and other foreign substances move along the inner surface of the body portion 310 by centrifugal force, and the air is an air discharge member 320. Exit through).

That is, when the button portion (see Fig. 9, 241) is pressed by the operation of the drive unit (see Fig. 9, 250), the injection unit 230 is operated, the liquid material of the reservoir 220 The guide tube 231 is introduced into the body 310 and mixed with the dust and other foreign matter.

In addition, the dust and other foreign matter mixed with the liquid material is introduced into the dust collector 100 and accumulates on the discharge part 330. Collection work of the dust and foreign matter by the rotating plate 190 and the fixed plate 180 is as described above will be omitted.

Claims

A main body;

A dust separation device mounted to the main body;

A dust collector provided separately from the dust separator and connected to the dust separator;

A compression device provided in the dust collector to collect and accumulate dust or foreign matter accumulated in the dust collector into a specific portion;

And a liquid supply device provided in the dust separation device and supplying a predetermined liquid material into the dust separation device.
The method of claim 1,

The dust separation device includes a body portion formed therein a space for turning air and dust and other foreign matter therein,

The liquid supply device is a vacuum cleaner, characterized in that provided on the outside of the body portion.
The method of claim 2,

The liquid supply device includes a storage unit for storing a liquid material;

And a discharge pump connected to the storage unit and mounted outside the body to discharge the liquid substance into the body.
The method of claim 2,

Further provided to the discharge pump further comprises a guide tube for guiding the liquid material to the body portion inside the body portion,

The guide tube is vacuum cleaner, characterized in that arranged in a predetermined angle in the direction of rotation of the dust and other foreign matter.
The method of claim 2,

The liquid supply device includes a storage unit for storing a liquid material;

Is connected to the storage unit and mounted to the outside of the body portion due to the pressure difference between the inside of the body portion and the flow of air introduced into the body portion due to the flow of the liquid material contained in the storage portion is mixed with the body portion The vacuum cleaner further comprises a guide tube for guiding the flow into the interior.
The method of claim 5,

The guide tube is connected to the first guide tube and the storage unit, the second guide tube is connected to the first guide tube to the body portion, the first and second guide tube is connected to the outside air And a third guide tube leading to the second guide tube.
The method of claim 6,

And an opening / closing valve provided inside the third guide tube to open the third guide tube when the outside air is sucked.
The method of claim 6,

An end of the second guide tube is introduced into the body portion, and the vacuum cleaner, characterized in that disposed inclined at a predetermined angle in the direction of rotation of dust and other foreign matter that rotates inside the body portion.
The method of claim 2,

The liquid supply device is composed of a spray device,

A storage passage for storing the liquid substance;

An injection unit provided in the reservoir to inject a liquid material;

And a spray housing configured to receive the spray unit and mounted to the body portion.
The method of claim 9,

A button unit provided in the injection housing and operating the injection unit;

And a driving unit provided at one side of the injection housing and connected to the button unit to periodically apply pressure to the button unit.
The method of claim 9,

And an extension part coupled to the injection housing so as to be fixed to the body part and extending from one side of the body part.
The method of claim 11,

The vacuum cleaner further comprises a guide tube connected to the injection unit and the body portion and guides the liquid material into the body portion through the extension portion.
The method according to claim 4 or 5 or 12,

Vacuum cleaner, characterized in that the diameter of the end of the guide tube connected in the direction of the body portion is formed smaller than the other portion so that the liquid material can be discharged in the form of a spray.
The method of claim 2,

The dust separation device further includes a discharge unit provided in front of the guide to discharge the separated air and dust and other foreign matter separated from the outside,

The liquid supply device is a vacuum cleaner, characterized in that mounted to the rear of the body portion to supply a liquid material to the dust and other foreign matter toward the discharge portion from the rear of the body portion.
The method of claim 14,

The liquid supply device is a vacuum cleaner, characterized in that detachable disposed on the outside of the dust separator.
The method of claim 12,

And a rib member provided in the dust separation device and surrounding the liquid supply device to support the liquid supply device.
The method of claim 1,

The compression device may include a fixed plate provided inside the dust collector;

And a rotating plate provided to be rotatable inside the dust collector and contacting the fixed plate to move and compress dust or foreign matter in the direction of the fixed plate.