KR100904324B1 - Vacuum cleaner - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner, and more particularly, to a vacuum cleaner and a filter unit thereof, to maximize the dust collecting capacity of the dust collecting device and to facilitate the replacement and cleaning of the filter provided in the main body.

Vacuum cleaner according to the present invention, the cleaner body; A suction motor provided in the cleaner body to generate suction force; Dust separation means for separating dust from the air sucked by the suction force generated by the suction motor; A filter unit provided in a separate configuration from the dust separating means to filter the dust separated from the dust separating means; A filter unit accommodating part formed in the cleaner body to selectively accommodate the filter unit; And a filter cover for selectively opening and closing the filter unit accommodation portion.

According to the present invention as described above, it is possible to mount the filter unit to the filter unit accommodating portion or to separate the filter unit accommodating portion simply by rotating the filter cover, thereby increasing user convenience.

Filter unit, filter cover

Description

Vacuum cleaner {Vacuum cleaner}

1 and 2 is an external perspective view of a vacuum cleaner according to the present invention.

3 is a perspective view of a state in which the dust collector is separated from the vacuum cleaner.

4 is a perspective view of a dust collecting device according to the spirit of the present invention.

5 is an exploded perspective view of a second cyclone unit according to the present invention.

6 is a view showing the mounting structure of the suction motor according to the present invention.

7 is a view showing a state in which the filter cover is open in the vacuum cleaner according to the present invention.

8 is a perspective view of a filter unit according to the present invention;

9 is an exploded perspective view of the filter unit.

FIG. 10 is a cross-sectional view taken along the line II ′ of FIG. 8;

<Explanation of symbols for the main parts of the drawings>

100: cleaner body 160: filter cover

180: filter unit mounting portion 400: filter unit

The present invention relates to a vacuum cleaner, and more particularly, to a vacuum cleaner to maximize the dust collecting capacity of the dust collecting apparatus, and to facilitate replacement and cleaning of the filter provided in the main body.

In general, a vacuum cleaner is a device that sucks air containing dust such as dust by using a vacuum pressure generated by a vacuum motor mounted inside the body, and then filters the dust inside the body.

Such a vacuum cleaner may be distinguished by a canister method in which a nozzle part, which is a large suction port, is provided separately from the main body and connected by a connecting pipe, and an upright method in which the nozzle part is integrally formed with the main body.

Meanwhile, the dust collector installed in the cyclone-type vacuum cleaner uses a cyclone principle, so that dust included in the sucked air and rotated together is separated and collected from the air, and the air from which the dust is removed is discharged to the outside of the cleaner. One device.

In order to improve dust collection performance, recently, a multi-cyclone dust collector equipped with a cyclone unit composed of a plurality of orders is used.

In detail, the multi-cyclone dust collecting device includes a dust collecting body, a first cyclone unit for separating relatively large dust from the air sucked into the dust collecting body, and air from which dust is separated from the first cyclone unit is introduced into the fine dust. It is provided with a plurality of second cyclone portion for separating again.

The dust separated from the first cyclone unit is stored in the first dust storage unit, and the dust separated from the second cyclone unit is stored in the second dust storage unit.

That is, the conventional dust collector is configured such that the first cyclone portion and the second cyclone portion are provided together.

In addition, the dust collector is detachably mounted to the cleaner in order to discharge dust stored therein.

However, according to the conventional dust collecting apparatus, as the first cyclone portion and the second cyclone portion are provided together in the dust collecting apparatus, the first dust storage unit is structurally formed small, so that the dust collecting capacity of the first dust storage unit is small. There is a hassle for the user to empty the dust frequently.

In addition, since the first cyclone part and the second cyclone part are provided together in the dust collecting device, the weight of the dust collecting device is also considerable, so that a user needs a large amount of force to remove the dust collecting device from the vacuum cleaner or to empty the dust. The problem arises.

In addition, conventionally, in order to empty the dust stored in the dust collecting apparatus, re-contamination of the room frequently occurs during the process of separating the dust collecting apparatus from the main body or discharging the dust inside the dust collecting apparatus.

And, if the room is recontaminated in the process of emptying the dust, the user has to perform the cleaning again, there is a user troublesome problem.

Meanwhile, conventionally, the air discharged from the second cyclone portion is configured to be introduced into the main body, and the body is provided with a filter to filter the air discharged from the second cyclone portion.

However, according to the conventional vacuum cleaner, there is a problem in that a part of the cleaner has to be disassembled when the filter is to be cleaned, and since the filter is configured to be seated directly on the filter seat, dust is scattered when the user handles the filter. Problems may occur and dust may get on users' hands.

SUMMARY OF THE INVENTION The present invention has been proposed to solve the above problems, and an object of the present invention is to propose a vacuum cleaner in which the structure of the dust collector and the cleaner is simplified to simplify the structure of the dust collector and maximize the dust collection capacity.

In addition, an object of the present invention is to propose a vacuum cleaner that can easily discharge the dust collected in the dust collector.

In addition, an object of the present invention is to propose a vacuum cleaner and its filter unit to facilitate replacement of the filter unit provided inside the main body.

Vacuum cleaner according to the present invention for achieving the object as described above, the cleaner body; A suction motor provided in the cleaner body to generate suction force; Dust separation means for separating dust from the air sucked by the suction force generated by the suction motor; A filter unit provided in a separate configuration from the dust separating means to filter the dust separated from the dust separating means; A filter unit accommodating part formed in the cleaner body to selectively accommodate the filter unit; And a filter cover for selectively opening and closing the filter unit accommodating part, wherein the filter unit includes a first case in which a filter member is received and a discharge hole through which the air passing through the filter member is discharged is formed; A second case coupled to the first case while the member is accommodated in the first case, an air inlet hole for introducing air discharged from the dust separating means, and a second case having a handle part for holding a user; When the filter cover is open, the handle portion is characterized in that it is exposed to the outside.

According to another aspect of the present invention, a vacuum cleaner includes a cleaner body; A suction motor provided in the cleaner body to generate suction force; Dust separation means for separating dust from the air sucked by the suction force generated by the suction motor; A filter unit provided in a separate configuration from the dust separating means to filter the dust separated from the dust separating means; A filter unit accommodating part formed in the cleaner body to selectively accommodate the filter unit; And a filter cover configured to selectively open and close the filter unit accommodating part, wherein the filter unit includes a first case in which a filter member is accommodated and a discharge hole through which air passing through the filter member is discharged is formed; And a second case coupled to the first case in a state in which the filter member is accommodated in the first case, and having an air inlet for introducing air discharged from the dust separating means. In the combined state of the two cases, a space for the flow of air is formed, the air sucked through the air inlet hole is characterized in that it passes through the filter member after being spread throughout the space as a whole.

Hereinafter, with reference to the drawings will be described a specific embodiment of the present invention. However, the spirit of the present invention is not limited to the embodiments presented, and those skilled in the art who understand the spirit of the present invention can easily suggest other embodiments within the scope of the same idea.

1 and 2 are an external perspective view of a vacuum cleaner according to the present invention, Figure 3 is a perspective view of the dust collector is separated from the vacuum cleaner, Figure 4 is a perspective view of the dust collector according to the spirit of the present invention.

1 to 4, the vacuum cleaner 10 according to the present invention includes a cleaner main body 100 having a suction motor generating a suction force therein, and included in the air sucked into the cleaner main body 100. And dust separating means for separating dust.

Although not shown, a suction nozzle for sucking air containing dust and a connection pipe for connecting the suction nozzle to the cleaner body 100 are further included.

In the present embodiment, the basic configuration of the suction nozzle and the connection pipe is the same as the conventional description thereof will be omitted.

In detail, a main body suction part 110 in which air containing dust sucked through the suction nozzle is formed at the front lower end of the cleaner body 100, and dust is separated at one side of the cleaner body 100. A main body outlet 120 through which air is discharged to the outside is formed.

In addition, the upper portion of the cleaner body 100 is formed with a body handle 140 to enable the user to grip.

In addition, a rear side of the cleaner main body 100 is provided with a guide cover 340 for forming a flow path through which the air separated from the dust separation means flows through the main body 100, the dust separation means The filter cover 160 is provided to enable mounting or detachment of a filter unit (to be described later) for filtering air from which dust is separated.

On the other hand, the dust separation means is primarily by the dust collector 200 is provided with a first cyclone unit (not shown) for separating the dust contained in the air flowing into the interior, and the first cyclone unit The dust is separated again from the air from which the dust is separated, and is configured of the second cyclone unit 300 provided in the cleaner body 100.

In detail, the dust collecting apparatus 200 is detachably mounted to the front portion of the cleaner body 100.

As such, in order to allow the dust collecting apparatus 200 to be detachable from the cleaner body 100, a detachable lever 142 is provided on the handle 140 of the cleaner body 100, and the dust collecting apparatus 200 is provided. ) Is formed with a locking end 256 for engaging with the detachable lever 142.

In addition, the dust collecting apparatus 200 includes a dust collecting body 210 in which a first cyclone unit generating a cyclone flow and a dust storage unit storing dust separated from the first cyclone unit are formed.

Here, the dust collecting apparatus 200 is detachably mounted to the cleaner body 100 as described above, and as the dust collecting apparatus 200 is mounted to the cleaner body 100, the cleaner body 100 and In communication with the second cyclone unit 300.

In detail, the cleaner main body 100 has an air outlet 130 through which the air sucked into the cleaner main body 100 is discharged to the dust collecting device 200, and the dust collecting device 200 has the air discharge port. A first air inlet 218 is formed to allow air to enter from 130.

At this time, the first air inlet 218 is preferably formed in the tangential direction of the dust collector 200 in order to generate a cyclone flow inside the dust collector 200.

In addition, a first air outlet 252 through which dust separated from the first cyclone part is discharged is formed in the dust collecting device 200, and the first air outlet 252 is formed in the cleaner body 100. A connection flow passage 114 through which air discharged through the air is introduced is formed.

In addition, the air introduced into the connection passage 114 flows into the second cyclone unit 300.

On the other hand, the second cyclone unit 300 is configured by combining a plurality of cyclone portion of the substantially conical shape. In addition, the second cyclone unit 300 is disposed lying down on the rear upper portion of the cleaner body 100.

In addition, the dust separated from the second cyclone unit 300 is stored in the dust collector 200.

To this end, the dust collecting body 210, the dust inlet 254 through which the dust separated from the second cyclone unit 300 is introduced, and the dust separated from the second cyclone unit 300 is stored. The reservoir is further formed.

That is, the dust storage unit formed in the dust collecting body 210 is separated by the first dust storage unit 214 and the second cyclone unit 300 in which the dust separated by the first cyclone unit is stored. It consists of a second dust storage unit 216 is stored dust.

In other words, in the present embodiment, the second cyclone unit 300 is separated from the dust collecting device 200 and is configured in the cleaner body 100, and the dust separated from the second cyclone unit 300 is It is configured to be stored in the dust collector 200.

The operation of the vacuum cleaner 10 will be described briefly by the above configuration.

First, when power is applied to the vacuum cleaner 10 and the cleaner body 100 operates, suction force is generated by the suction motor provided therein. In addition, the air containing the dust sucked by the suction nozzle by the suction force is sucked into the dust collector 200 along a predetermined flow path formed in the connection pipe and the cleaner body 100.

Then, when the air containing the dust is sucked into the dust collector 200, the dust is first separated by the first cyclone unit. In addition, the separated dust is stored in the dust collecting body 210. On the other hand, the air from which dust is separated is discharged from the dust collector 200 and introduced into the cleaner body 100, and introduced into the second cyclone unit 300 by the connection flow passage 114.

And, the air introduced into the second cyclone unit 300 is again dust is separated, the separated dust is introduced into the dust collector 200 and stored, the dust separated air is inside the cleaner body 100 After flowing along a predetermined flow path of the finally discharged to the outside through the body discharge.

Hereinafter, the structure of the second cyclone unit according to the present invention will be described.

5 is an exploded perspective view of a second cyclone unit according to the present invention.

Referring to FIG. 5, the second cyclone unit 300 according to the present invention may be configured to guide the discharge of air from which dust is separated from the cyclone unit 310, which is composed of a plurality of cyclone units 310. An exhaust guide part 330, a cover member 320 surrounding the cyclone part 310, and the exhaust guide part 330 to block noise generated in the process of separating dust from the cyclone part 310. A guide cover 340 is provided at the rear side of the cover to guide the air discharged through the exhaust guide part 330 to flow into the main body 100.

In detail, the cyclone portion 310 is composed of a cylindrical portion 312 and a cone-shaped cone portion 314. In addition, a second air inlet (not shown) is formed to allow air moved through the connection flow passage 114 in the tangential direction of the cylindrical portion 312.

In addition, the exhaust guide part 330 is coupled to the cylindrical part 312 side to rotate in a spiral direction along the inner circumferential surface of the cyclone part 310 to discharge the dust separated air. In addition, an exhaust guide pipe 332 inserted into the cylindrical portion 312 is formed in the exhaust guide part 330. The exhaust guide pipe 332 has a cylindrical shape and is protruded from the exhaust guide part 330.

That is, the exhaust guide pipe 332 has a flow path through which the dust separated air is discharged inside the cyclone part 310.

Therefore, the air from which dust is separated in the process of turning the air along the inner circumferential surface of the cyclone part 310 is guided by the exhaust guide pipe 332 and discharged from the cyclone part 310, and the separated dust Is introduced into the second dust storage unit 216 through the dust inlet 254 through the dust outlet 315 formed in the cone portion 314.

On the other hand, the cover member 320 is formed in a shape corresponding to the cyclone portion 310 to surround the cyclone portion 310. In this case, the cover member 320 may be spaced apart from the cyclone portion 310 by a predetermined distance such that a space is formed between the cyclone portion 310 and the cover member 320 to reduce noise. . Therefore, the cover member 310 forms a part of the exterior of the cleaner body 100.

The guide cover 340 forms a flow path through which the air discharged along the exhaust guide pipe 332 is moved to the suction motor side of the cleaner body 100, and below the guide cover 340 as the flow path. Guide portion 342 is formed to guide the flow of the discharged air.

6 is a view showing the structure of the mounting portion of the suction motor according to the present invention.

Referring to FIG. 6, a motor mounting unit 170 in which the suction motor 500 is mounted is formed in the cleaner body. In addition, the suction motor 500 is mounted to the motor mounting unit 170 in the vertical direction.

At the rear of the motor mounting unit 170, a filter unit accommodating unit 180 to which a filter unit (to be described later) for filtering air separated from the second cyclone unit 300 is mounted.

A communication hole 172 for communicating the filter unit accommodating part 180 and the motor mounting part 170 is formed at a rear surface of the motor mounting part 170.

In addition, the air inlet 182 is formed in the filter unit accommodating part 170 to have a shape corresponding to the guide part 342 of the guide cover 340 to allow air to enter the filter unit accommodating part 170. Is formed.

Therefore, when the second cyclone unit 300 is mounted to the cleaner body 100, the guide part 342 and the air inlet part 182 communicate with each other. Then, the air discharged from the second cyclone unit 300 is introduced into the filter unit accommodating part 180 through the guide part 342 and the air inlet part 182 and filtered by the filter unit. The filtered air is moved to the suction motor 500 through the communication hole 172.

7 is a view showing an open state of the filter cover in the vacuum cleaner according to the present invention, Figure 8 is a perspective view of the filter unit according to the invention, Figure 9 is an exploded perspective view of the filter unit, Figure 10 is Figure 8 Sectional view taken along line II 'of FIG.

7 to 10, the filter cover 160 according to the present invention is rotatably mounted on the rear side of the cleaner body 100. In addition, the filter unit 400 is mounted to the filter unit accommodating part 180 while the filter cover 160 is opened.

Therefore, it is possible to mount the filter unit 400 to the filter unit accommodating part 180 or to separate the filter unit accommodating part 180 only by rotating the filter cover 160.

The filter unit 400 is coupled to the filter member 430 for filtering air, the front case 410 in which the filter member 420 is accommodated, and the front case 410 to form an air flow space. A rear case 420 is formed. The front case 410 may be referred to as a first case, and the rear case 420 may be referred to as a second case.

In detail, the front case 410 is formed in a width and a thickness corresponding to the filter member 430. In addition, the front case 410 is formed with a discharge hole 412 for the air passing through the filter member 430 is discharged from the filter unit 400.

In addition, the rear end portion of the front case 410 is extended to the coupling end 413 to be coupled to the front edge of the rear case 420. In addition, the coupling end 413 is formed with at least one locking groove 415 into which the locking protrusion of the rear case 420 is inserted so as to be firmly fixed while the edges of the rear case 420 are coupled to each other.

On the other hand, the front edge of the rear case 420 is formed with a coupling groove 425 to which the coupling end 413 of the front case 410 is coupled.

In addition, at least one locking protrusion 426 inserted into the locking groove 415 protrudes into the coupling groove 425.

Therefore, when the front case 410 and the rear case 420 are coupled, the coupling end 413 is inserted into the coupling groove 425, the locking projection 426 in the locking groove 415 Is inserted.

In addition, an air inlet hole 422 through which air moved along the air inlet unit 180 is formed is formed on an upper surface of the rear case 420.

Here, when the rear case 420 is coupled to the front case 410, the rear side 421 of the rear case 420 is spaced apart from the filter member 430. That is, the rear case 420 forms a space 423 to allow the introduced air to pass through the entire area of the filter member 430.

Therefore, the air introduced in the vertical direction through the air inlet hole 422 spreads to the entire surface of the filter member 430 in the space and passes through the entire surface of the filter member 430.

The rear surface 421 of the rear case 420 is provided with a handle 424 that can be gripped by the user.

On the other hand, the upper surface of the front case 410 and the rear case 420 are formed with guides 416, 427 for guiding the upper surface positions of the front case 410 and the rear case 420, respectively.

In detail, an air inlet hole 422 is formed on an upper surface of the rear case 420, and a coupling end 413 formed in the front case 410 is a flow of air introduced through the air inlet hole 422. In order not to generate a resistance, it is not formed at a position corresponding to the air inlet hole 422.

Therefore, the upper surface of the front case 410 and the upper surface of the rear case 420 should coincide with each other, and the guide parts 416 and 427 are the upper surface of the front case 410 and the upper surface of the rear case 420. Guide the position of the front case 410 and the rear case 420 to be accurately coupled.

Here, the guide parts 416 and 427 may be a mark displayed on the upper surfaces of the front case 410 and the rear case 420, or may be formed by various methods such as protrusions or depressions.

According to the present invention as described above, in order to separate the filter unit 400 from the main body 100, the user grabs the handle 424 and pulls the filter unit 400 backward, so that the filter unit 400 ) Has the advantage of easy separation.

In addition, in the state where the filter member 430 is accommodated in the cases 410 and 420, the user may grasp the handle 424 and separate the filter member 430. ) Has the advantage of preventing the dust accumulated in the discharge to the outside.

Hereinafter, the operation of the vacuum cleaner according to the present invention will be described.

First, when power is applied to the suction motor 500 of the vacuum cleaner 10, suction force is generated by the suction motor 500, and air containing dust is sucked into the suction nozzle by the suction force.

In addition, the air sucked through the suction nozzle is introduced into the cleaner body 100 through the main body suction part 110, and the introduced air is introduced into the dust collector 200 through a predetermined flow path.

In detail, the dust-containing air is sucked in the tangential direction of the first cyclone unit through the first air inlet 218 of the dust collecting body 210. Then, the sucked air falls while turning along the inner circumferential surface of the first cyclone unit, and in this process, air and dust are separated from each other while being subjected to different centrifugal forces by the weight difference.

In addition, the dust is separated air is discharged to the outside of the dust collector 200 through the first air outlet 252. The separated dust is stored in the first dust storage unit 214.

Meanwhile, the air discharged through the first air outlet 252 is introduced into the cleaner body 100. In addition, the air introduced into the cleaner body 100 flows into the second cyclone unit 300 through the connection passage 114.

The air is tangentially guided to the inner wall of the second cyclone unit 300 through the second air inlet connected to the end of the connection passage 114, and the dust is separated again while flowing therein.

In addition, the air from which dust is separated is discharged to the outside of the second cyclone unit 300 through the exhaust guide pipe 332. The discharged air is moved downward along the guide part 342 and the air inlet part 180 to the inside of the filter unit 400 through the air inlet hole 422 of the filter unit 400. Inflow and filtering process.

In detail, the air introduced into the internal space 423 of the filter unit 400 through the air inlet hole 422 is spread to the entire surface of the filter member 430 on the space 423. In addition, the spread air is filtered while passing through the filter member 430 and is discharged to the outside of the filter unit 400 through the discharge hole 412.

The air discharged to the outside of the filter unit 400 is moved to the motor mounting unit 170 through the communication hole 172, and is finally discharged to the outside through the main body discharge unit through the suction motor 500. .

On the other hand, the separated dust is introduced into the dust collector 200 through the dust inlet 254, and finally stored in the second dust storage unit 216.

Meanwhile, in order to empty the dust stored in the dust collecting body 210, the user separates the dust collecting device 200 from the cleaner body 100.

Then, the cover member 250 is separated from the dust collecting device 200. Then, the dust collecting body 210 is reversed to empty the dust.

Meanwhile, in order to replace or clean the filter member 430, first, the filter cover 160 is rotated to the rear of the main body 100 so that the filter unit accommodating part 180 is opened. Next, the filter unit 400 is pulled backward while the handle 424 is held so that the filter unit 400 is separated from the filter unit accommodating part 180.

In addition, the front case 410 and the rear case 420 are separated from the filter unit 400 in a separated state. In addition, the filter member 430 is separated from the front case 410. Then, the filter member 430 is finally replaced or cleaned.

According to the present invention as proposed, since the first cyclone unit is provided in the dust collecting apparatus, and the second cyclone unit is provided in the cleaner body separately from the dust collecting apparatus, the structure of the dust collecting apparatus is simplified and its weight There is an advantage that the user can easily handle the dust collecting device is reduced.

In addition, as the dust separated from the second cyclone unit is stored in the dust collecting apparatus, only the dust collecting apparatus is separated from the cleaner body to discharge dust, thereby increasing user convenience.

Further, it is possible to mount the filter unit to the filter unit accommodating portion or to separate the filter unit accommodating portion only by rotating the filter cover, thereby increasing user convenience.

In addition, since the filter unit is pulled to the rear by holding the handle portion formed in the filter unit, there is an advantage that the separation of the filter unit is easy.

In addition, since the user can be separated by holding the handle in the state that the filter member is accommodated in the case, there is an advantage that the dust accumulated in the filter member in the process of separating the filter unit is prevented from being discharged to the outside.

Claims (9)

A cleaner body; A suction motor provided in the cleaner body to generate suction force; Dust separation means for separating dust from the air sucked by the suction force generated by the suction motor; A filter unit provided in a separate configuration from the dust separating means to filter the dust separated from the dust separating means; A filter unit accommodating part formed in the cleaner body to selectively accommodate the filter unit; And Includes a filter cover for selectively opening and closing the filter unit receiving portion, The filter unit may include a first case in which a filter member is accommodated and a discharge hole through which air passing through the filter member is discharged is formed; A second case is coupled to the first case while the filter member is accommodated in the first case, and an air inlet hole for introducing air discharged from the dust separating means and a handle part for holding a user. , When the filter cover is opened, the handle portion is exposed to the outside of the vacuum cleaner. The method of claim 1, And a space for air flow in the state where the first case and the second case are coupled to each other. The method of claim 2, The air introduced into the space through the air inlet hole, the flow direction is changed in the space passes through the filter member. The method of claim 2, A coupling end is formed at the edge of the first case, The edge portion of the second case vacuum cleaner is formed with a defect groove coupled to the coupling end. A cleaner body; A suction motor provided in the cleaner body to generate suction force; Dust separation means for separating dust from the air sucked by the suction force generated by the suction motor; A filter unit provided in a separate configuration from the dust separating means to filter the dust separated from the dust separating means; A filter unit accommodating part formed in the cleaner body to selectively accommodate the filter unit; And Includes a filter cover for selectively opening and closing the filter unit receiving portion, A first case in which the filter member is accommodated, and a discharge hole through which the air passing through the filter member is discharged is formed; A second case coupled to the first case in a state in which the filter member is accommodated in the first case, and including an air inlet hole for introducing air discharged from the dust separating means; In a state in which the first case and the second case are coupled, a space for the flow of air is formed, and the air sucked through the air inlet hole passes through the filter member after being entirely spread while flowing through the space. The method of claim 5, wherein The air introduced into the space passes through the filter member after the flow direction is changed in the space. delete delete delete

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