KR101248648B1 - Dust and dirt collecting unit for vacuum cleaner - Google Patents

Abstract

The present invention relates to a dust collection unit of a vacuum cleaner provided with a plurality of cyclone apparatus and a dust collection chamber to sequentially separate the foreign matter in the air.

The dust collecting unit of the vacuum cleaner according to the present invention includes a first cyclone device 240 for primarily filtering foreign matter in the air, and a second filter for secondarily filtering foreign matter in the air passing through the first cyclone device 240. A cyclone apparatus 250 and a dust collecting container 210 having a plurality of dust collecting chambers 248, 256 and 260 in which foreign substances in the air are separated and collected; An upper cover 220 for shielding an upper surface of the dust collecting container 210; It has a configuration including a lower cover 230 for shielding the lower surface of the dust collecting container (210); The plurality of dust collecting chambers 248, 256, and 260 are provided in three or more. According to this invention comprised in this way, there exists an advantage that the foreign material filtering capability of a vacuum cleaner improves.

Vacuum cleaner, cyclone, dust collection unit, dust collection room, foreign substance

Description

Dust collection unit for vacuum cleaner {Dust and dirt collecting unit for vacuum cleaner}

1 is a perspective view of a vacuum cleaner according to the prior art.

Figure 2 is a perspective view of a vacuum cleaner dust collecting unit according to the prior art.

3 is a perspective view of a vacuum cleaner employing a preferred embodiment of the dust collecting unit according to the present invention.

Figure 4 is an external perspective view of a vacuum cleaner body in which an embodiment of the present invention is employed.

5 is an exploded perspective view of a vacuum cleaner body in which an embodiment of the present invention is employed.

Figure 6 is an exploded perspective view showing the configuration of a preferred embodiment of the vacuum cleaner dust collection unit according to the present invention.

Figure 7 is a longitudinal cross-sectional view showing the configuration of a preferred embodiment of a vacuum cleaner dust collection unit according to the present invention.

8 is a sectional view taken along the line AA ′ of FIG. 7;

Figure 9 is a cross-sectional view showing the air flow in the vacuum cleaner body employing an embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

50. Suction nozzle body 60. Extension tube

70. Hose 80. Handle

90. Connector 100. Body

110. Cover assembly 112. Moving handle

114. Dust collecting seat 116. Wheel guide

120. Base assembly 122. Motor housing

124. Cord reel seat 126. Exhaust assembly

128. Wheels 130. Code Lever

140. Motor assembly 142. Motor packing

150. Code reel assembly 200. Dust collection unit

210. Dust collector 220. Top cover

230. Lower cover 240. First cyclone device

248. First dust collection 250. Second cyclone system

256. Second Dust Collector 260. Third Dust Collector

262. Cover button 270. Assembly space

280. Connection piping

The present invention relates to a vacuum cleaner, and more particularly, to a dust collection unit of a vacuum cleaner provided with a plurality of cyclone apparatus and a dust collecting chamber to sequentially separate the foreign matter in the air.

 1 shows a configuration of a general vacuum cleaner. As shown, the vacuum cleaner includes a main body 1 having suction means for sucking air in the room, and a suction nozzle 2 into which air on the bottom surface is introduced by suction force generated in the main body 1. Has a configuration to include.

On the other hand, the main body 1, the lower body (5) to which the suction means is received and fastened, and the parts embedded in the lower body 5 so as not to be exposed to the outside, the electric part for controlling the vacuum cleaner (not shown) It consists of an upper body (6) is built.

A moving handle 6 'is further provided on the upper surface of the upper body 6. The movable handle 6 ′ is for facilitating the grip of the user when the cleaner moves, and protrudes upward from the upper surface of the upper body 6.

On the other hand, although not shown, the cord reel assembly is further provided on the right side of the upper body 6. The cord reel assembly is a device for winding and storing the power cord 9 to be described below.

In addition, wheels 8 are fastened to both sides of the main body 1 so that the main body 1 can smoothly move the bottom surface, and the wheels 8 are separated from the air sucked through the suction nozzle 2. A discharge portion 8a through which air of the air is discharged from the main body 1 is constituted.

Between the main body 1 and the suction nozzle 2, a suction hose 3b made of a flexible material, an operation unit 4 connected to an end of the suction hose 3b, and the operation unit ( 4) and an extension tube 3a for connecting the suction nozzle 2 are sequentially installed, so that the suction force generated in the main body 1 can be transmitted to the suction nozzle 2.

 Therefore, when electricity is applied through the power cord 9 connected to the electric part (not shown) built in the main body 1, the vacuum cleaner is in a standby state. At this time, if the user adjusts the suction step by using the button of the operation unit 4, the suction force suitable for each step is generated by the suction means built in the main body (1).

The suction force generated through the suction means is transmitted to the suction nozzle 2 via the suction hose 3b and the extension pipe 3a which are fastened to the suction connector 3c. The air containing the foreign matter such as dust or lint is sucked by the suction force transmitted to the suction nozzle 2, the foreign matter in the sucked air is separated by the dust collecting unit 10, and the filtered air is discharged. Cleaning is performed by the process of being discharged to the outside of the main body 1 through the portion (8a).

2 shows a dust collecting unit 10 in a state in which a conventional dust filter 14 is fastened. On one side, the air introduced into the main body 1 through the suction connection part 3c has an inner wall of the dust collecting unit 10. The suction plate 12 is formed by causing the cyclone to flow in a tangential direction, and the separator 13 is formed with a hole 13a formed therein so that a large amount of dust introduced through the suction guide 12 can be separated. 13 is assembled, and the other outer wall of the suction guide 12 is provided with a handle 15 to facilitate attachment and detachment from the main body 1.

In addition, a discharge port 11a is formed at the center of the upper cover 11 configured to open and close the upper part of the dust collecting unit 10, and the dust filter 14 is fastened to the bottom edge of the discharge port 11a. .

The filter body 14b of the dust filter 14 has a cylindrical shape in which pleats in the longitudinal direction are repeated in the circumferential direction. In addition, the lower fixing part 14a edge which fixes and supports the bottom of the filter main body 14b protrudes a predetermined portion upward to surround the bottom of the filter main body 14b.

The filter main body 14b of the dust filter 14 is preferably formed of a material having a certain strength or more, and taking shape when washing, in consideration of the strong flow of air. For example, it can also be comprised by the polyester material which can be utilized as a fiber material.

In addition, the upper fixing part (not shown) and the lower fixing part 14a for fixing and supporting the upper part and the lower part of the filter main body 14b are also configured so that the filter main body 14b can maintain a cylindrical shape and can be washed. It can also comprise a synthetic resin material.

Since the filter main body 14b is able to widen the contact surface area with the flowing air by forming a plurality of pleats in the longitudinal direction, the dust collecting efficiency is maximized. That is, it is filtered by the filter main body 14b so that fine foreign matter is not included in the air discharged through the discharge port 11a.

If fine foreign matters are accumulated on the surface of the filter body 14b of the dust filter 14 through this process, the flow of air is not smoothly performed. Therefore, the foreign matter on the surface of the dust filter 14 should be brushed off or washed.

 However, in the conventional vacuum cleaner configured as described above, since the foreign matter in the air is filtered once by the dust filter 14 and collected in one space, there is a problem in that the air purification ability is low.

SUMMARY OF THE INVENTION An object of the present invention for solving the above conventional problems is to provide a dust collecting unit of a vacuum cleaner in which foreign matter in the air is dually filtered by a plurality of cyclone devices.

Another object of the present invention is to provide a dust collecting unit of a vacuum cleaner having three or more dust collecting chambers in which foreign matters in the air are separated and accumulated.

The dust collecting unit of the vacuum cleaner of the present invention for achieving the above object, the first cyclone device for filtering the foreign material in the air primarily, and the secondary filter for filtering the foreign material in the air passing through the first cyclone device A dust collecting passage having a second cyclone apparatus and a plurality of dust collecting chambers in which foreign substances in the air are separated and collected; An upper cover which shields an upper surface of the dust collecting container; It has a configuration including a lower surface cover for shielding the lower surface of the dust collecting container; The plurality of dust collecting chambers are characterized in that three or more.

According to the present invention configured as described above, there is an advantage that the foreign matter filtering capability of the vacuum cleaner is improved and the amount of the foreign matter can be easily confirmed from the outside.

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

3 shows a perspective view of a vacuum cleaner in which a preferred embodiment of the dust collecting unit according to the present invention is employed.

As shown in the drawing, the vacuum cleaner according to the present invention is connected to one end of the suction nozzle body 50 and the suction nozzle body 50 for guiding the suction of air and foreign substances while moving in a state close to the bottom surface. And an extension tube 60 configured to be adjustable in length, connected to the extension tube 60, and a connecting hose 70 made of an elastic material to guide the air and foreign substances introduced through the suction nozzle body 50, and the It is composed of a main body 100 and the like connected to one end of the connection hose 70 and a plurality of parts are built.

In more detail, the suction nozzle body 50 and the main body 100 are spaced apart, and the extension tube 60 and the connection hose 70 are provided between the suction nozzle body 50 and the main body 100. It guides the flow of air and foreign objects.

The other end (rear end) of the extension pipe 60 is provided with an operation handle (80). The operation handle 80 is a part for the user to easily grip the cleaning operation, the front of the operation handle 80 is formed with an operation unit 82 to enable the user to operate the vacuum cleaner.

Therefore, the user can control the operation of the cleaner and the strength of the cleaner by manipulating the operation unit 82 while holding the operation handle 80 with one hand.

The connector 90 is further provided at a connection portion of the main body 100 and the connection hose 70. The connector 90 has a function of a connection terminal for allowing a user's operation signal input from the operation unit 82 to be applied to the main body 100, and air introduced through the connection hose 70. Simultaneously perform the function of guiding to 100).

Therefore, although not shown, a plurality of electrical connection ends are further provided at the end of the connector 90, and the connector 90 may be provided with an operation unit (such as when the operation unit 82 is provided on the operation handle 80). 82 is provided in addition to the main body 100 and includes an electrical connection end.

That is, when the operation unit 82 is provided anywhere in the main body 100, the connector 90 is not provided with an electrical connection end, and is configured to perform only a function as an inflow passage of air.

4 and 5 schematically show the configuration of the main body 100. That is, a perspective view of the main body 100 is shown in FIG. 4, and each configuration of the main body 100 shown in FIG. 4 is shown in an exploded perspective view.

As shown in these drawings, the main body 100 includes a cover assembly 110 forming an upper appearance, a base assembly 120 forming an lower appearance, and a dust collecting unit for filtering foreign substances in the air. 200) to form an overall appearance.

The upper surface of the cover assembly 110 is preferably formed to have a rounded curvature, the movement handle 112 is installed on the upper end of the cover assembly 110. The movement handle 112 is to facilitate the user's gripping so that the movement of the main body 100 is made easier, the tip portion is configured to be rotatable about the axis.

The dust collecting seat 114 is formed at the rear side of the cover assembly 110. The dust collecting seat 114 is formed to have a shape in which a predetermined portion is recessed downward from an upper surface of the cover assembly 110, and is a part on which the dust collecting unit 200 is seated.

The suction hole 114 ′ is penetrated back and forth through the rear surface of the cover assembly 110, more specifically, the dust collecting seat 114. A suction guide 212 of the dust collecting unit 200 to be described below is inserted into the suction hole 114 ′. Therefore, air and foreign substances introduced through the suction nozzle body 50 and introduced into the main body 100 are guided to the dust collecting unit 200 through the suction hole 114 ′.

Wheel guides 116 are further formed at both ends of the cover assembly 110. The wheel guide 116 is a portion that shields the upper portion of the moving wheel 128 to be described below, and has a semi-circular shape protruding upward to correspond to the upper half of the moving wheel 128 as shown.

The base assembly 120 has a shape corresponding to the cover assembly 110 and is coupled to each other.

As shown in the base assembly 120, the motor housing 122 is formed in the first half, and the cord reel mounting portion 124 is formed in the second half. The motor housing 122 is a part in which the motor assembly 140 to be described below is mounted, and the cord reel mounting part 124 is a part in which the cord reel assembly 150 to be described below is mounted.

The exhaust assembly 126 is further provided at the right end of the base assembly 120. The exhaust assembly 126 guides the filtered air to be discharged to the side of the main body 100 while passing through the dust collecting unit 200. The exhaust assembly 126 includes an exhaust filter for purifying the exhaust air. Not shown) is further provided.

In more detail, the exhaust assembly 126 is located in the right side of the motor assembly 140 to be described below. Accordingly, air passing through the motor assembly 140 to be described below is discharged to the right side of the main body 100 through the exhaust assembly 126.

Moving wheels 128 are installed at both sides of the rear half of the base assembly 120. In more detail, a pair of moving wheels 128 are respectively provided on both sides of the cord reel mounting part 124. The moving wheel 128 is to facilitate the movement of the main body 100. In other words, the main body 100 to easily move the bottom surface during the cleaning operation.

On the other hand, although not shown in Figures 4 and 5, the auxiliary wheel is further installed on the bottom of the central portion or the front end of the base assembly 120. This auxiliary wheel is installed to be rotatable. Therefore, the secondary wheel is configured to be rotatable in order to allow the main body 100 to be changed in direction during movement.

The code lever 130 is installed at the rear end of the base assembly 120. The code lever 130 is installed to protrude a predetermined portion from the lower end of the base assembly 120 to the rear, and is installed to be able to rotate the front end up and down on the axis. That is, the code lever 130 is formed to have a predetermined length back and forth to control the operation of the code reel assembly 150 to be described below.

The motor housing 122 has a cylindrical shape corresponding to the outer shape of the motor assembly 140 to be described below to guide the air discharged from the motor assembly 140. The motor assembly 140 discharges air to the motor assembly 140. A plurality of guiding discharge holes 122 'are formed.

More specifically, as shown, a plurality of discharge holes 122 ′ are formed at the right side of the motor housing 122, that is, in the direction in which the exhaust assembly 126 is installed, and passes through the motor assembly 140 to exhaust. Air to be guided to the exhaust assembly 126.

The motor assembly 140 is seated in the motor housing 122. The motor assembly 140 is a device for generating a rotational power with power applied from the outside. Therefore, a suction force for sucking air and foreign substances by the rotational power is formed. To this end, a rotating fan (not shown) is provided inside the motor assembly 140 to force the flow of air.

That is, the motor assembly 140 is composed of a head 140 'having a relatively large outer diameter, a body portion 140 "having a smaller outer diameter than the head 140', as shown. A fan (not shown) is built into the head 140 '.

An upper side of the motor assembly 140 is formed of an elastic material and includes a motor packing 142 surrounding the head 140 ′ of the motor assembly 140, and a housing cover 144 on the upper side of the motor housing 122. Is further provided.

The cord reel mounting unit 124 is provided with a cord reel assembly 150. The cord reel assembly 150 is located below the dust collecting seat 114. That is, since the cord reel mounting part 124 is located below the dust collecting seat 114, the cord reel assembly 150 is located below the dust collecting unit 200 to be described below. do.

And the cord reel assembly 150 is installed in a form lying on the cord reel mounting portion 124. Since the cord reel assembly 150 is generally used by winding a power cord (not shown) for guiding power supplied from the outside, a detailed description thereof will be omitted.

The dust collecting unit 114 has a dust collecting unit 200 is installed. The dust collecting unit 200 is preferably installed to be easily removable, it is configured to dually filter foreign matter in the air by the cyclone flow.

6 and 7 illustrate the configuration of the dust collecting unit 200. That is, an exploded perspective view of the dust collecting unit 200 is shown in FIG. 6, and the internal configuration of the dust collecting unit 200 is shown in cross-sectional view.

As shown in these figures, the dust collecting unit 200, a dust collecting container 210 for filtering foreign matter in the air and storing the filtered foreign matter, and an upper cover for shielding the upper surface of the dust collecting container 210 ( 220 and a lower surface cover 230 for shielding the lower surface of the dust collecting container 210 is formed.

The dust collecting container 210 has a cylindrical shape and forms a side appearance of the dust collecting unit 200. In addition, the dust collecting container 210 is formed such that the suction guide 212 penetrates inside and outside. The suction guide 212 serves to guide the air from the outside of the dust collecting container 210 to the guide tube 242 to be described below, the outer end of the dust collecting container 210 as shown It is formed to protrude a portion to the outside, the inner end is formed to communicate with the interior of the guide cylinder 242 to be described below.

More specifically, the suction guide 212 is preferably formed in a tangential direction to the guide cylinder 242 to be described below. That is, the suction guide 212 is formed to have a predetermined angle with the guide cylinder 242. Therefore, the air flowing into the guide cylinder 242 through the suction guide 212 is pivoted along the inner surface of the guide cylinder 242.

The first cyclone device 240 and the second cyclone device 250 are provided in the dust collecting container 210.

The first cyclone device 240 is a device that primarily filters foreign matter in the air introduced into the dust collecting container 210, and is formed to have a diameter smaller than that of the dust collecting container 210 to prevent the flow of air. The guide tube 242 is formed therein, the first dust collecting chamber 248 is formed by separating foreign matter in the air, and the filter assembly is installed inside the guide cylinder 242 to selectively pass air and foreign matter 244 and the like.

The guide cylinder 242 is installed inside the dust collector 210 and has a cylindrical shape. And such a guide cylinder 242 is installed at a position biased toward one side from the inner center of the dust collector (210). That is, as illustrated in FIG. 8, the guide barrel 242 is installed at a position partially biased from the inner center of the dust collector 210 to the left side.

The filter assembly 244 includes a filter 244a for filtering foreign substances in the air, a skirt 244b provided at the lower end of the filter 244a, and a flow preventing plate formed under the skirt 244b. 244c).

The filter 244a has a conical shape that gradually decreases in diameter toward the lower side, and a plurality of air holes 244a 'are formed through the filter 244a. The air hole 244a 'is preferably formed in a small size. Therefore, foreign matter in a relatively large air cannot pass through the air hole 244a '.

The skirt 244b is formed of a disc, and more specifically, has a skirt shape in which the diameter gradually increases toward the lower side. The outer diameter of the skirt 244b is slightly smaller than the inner diameter of the guide cylinder 242.

Therefore, the foreign material that does not pass through the filter 244a and falls to the lower side through the gap between the skirt 244b and the guide tube 242 falls to the first dust collecting chamber 248 located below the skirt 244b and accumulates. do.

The flow preventing plate 244c is provided in plural under the skirt 244b. The flow preventing plate 244c is formed in plural radially, and serves to block the scattering of foreign matter accumulated in the first dust collection 248. That is, the air flowing through the suction guide 212 is spirally turned, and when the flow of air continues to the lower portion of the skirt 244b, foreign matter accumulated in the first dust collection room 248 is scattered again. There is a problem to move up the skirt (244b). Therefore, the flow preventing plate 244c serves to block the air flow so that the rotational flow of air does not occur below the skirt 244b.

A guide passage 246 is further formed on the filter 244a to guide air and foreign substances introduced into the filter 244a and guided upward to the second cyclone apparatus 250.

The second cyclone apparatus 250 includes a small cyclone 252 for guiding spiral flow of air, a guide tube 254 positioned inside the small cyclone 252, and guiding up and down flow of air, and air. It consists of a 2nd dust collector 256 etc. in which the foreign material in it isolate | separates and accumulates.

The small cyclone 252 is radially formed around the first cyclone device 240, more specifically, the outer side of the guide cylinder 242. The small cyclone 252 is formed in a cylindrical shape, the lower end portion is made of a funnel shape that gradually decreases in diameter toward the lower side.

On the other hand, the upper end of the small cyclone 252 is configured so that one side is opened so that the small cyclone 252 and the guide passage 246 communicate with each other. In addition, a guide portion (not shown) is further extended to an opening of the small cyclone 252 to guide the air and foreign substances introduced into the small cyclone 252 to turn along the inner surface of the small cyclone 252. Sometimes.

A second dust collecting chamber 256 is formed below the small cyclone 252. More specifically, a lower wall 258 having a predetermined diameter is further formed at a lower end of the dust collecting container 210 to partition the inside of the dust collecting container 210. The blocking wall 258 has a size smaller than the bottom diameter of the dust collecting container 210, while having a size larger than the diameter of the guide cylinder 242.

And the upper end of the blocking wall 258 is integrally connected with the lower inner portion of the small cyclone 252. Therefore, the inside and the outside of the blocking wall 258 is separated from each other as shown in Figure 7, the first dust collecting dust accumulated by the first cyclone device 240 inside the blocking wall 258 is accumulated. 248 is formed, and outside the blocking wall 258, a second dust collecting chamber 256 in which foreign substances filtered by the second cyclone device 250 are accumulated and a third dust collecting chamber 260 to be described below are provided. Is formed.

The guide tube 254 is located inside the upper end of the small cyclone 252. The guide tube 254 is formed to have a size smaller than the upper diameter of the small cyclone 252, to guide the air orbiting the inside of the small cyclone 252 upwards.

In more detail, the air and foreign matter introduced into the small cyclone 252 moves downward while turning along the inner surface of the small cyclone 252. And the flow of air is gradually increasing the revolution speed at the lower end of the small cyclone 252 of the funnel shape.

Therefore, when air descends while turning along the inner surface of the small cyclone 252, an upward airflow is formed in the center portion. This is similar to the principle that occurs in the eye of a typhoon. As such, the upward air flow formed at the central portion of the small cyclone 252 is caused to flow upward by the guide tube 254.

As shown in FIG. 6, the guide hole 254 ′ is formed to penetrate up and down on the upper surface of the dust collecting container 210. In more detail, the guide hole 254 ′ is a hole formed in the upper side of the guide tube 254, and the air moving upward through the guide tube 254 is moved to the dust collector 210. It is a passage that flows upward of.

A third dust collecting chamber 260 is formed at one side of the guide cylinder 242. The third dust collecting chamber 260 is a space in which a part of the foreign matter in the air flowing into the guide tube 242 through the suction guide 212 is accumulated.

More specifically, as shown in FIG. 8, the suction guide 212 is formed on the left side of the guide cylinder 242, and the third dust collecting chamber 260 is formed on the right side of the guide cylinder 242. It will accept some of the foreign material flowing into.

Therefore, an inlet 260 ′ for guiding air and foreign matter introduced into the guide cylinder 242 into the third dust collecting chamber 260 is formed at a predetermined size in the upper right portion of the guide cylinder 242. .

In addition, the dust collecting container 210 is preferably made of a transparent material, at least a portion (the right part in FIG. 8) where the third dust collecting chamber 260 is formed is formed of a transparent material.

The reason for forming the dust collecting container 210 in the transparent material as described above is to easily recognize the foreign matter accumulated in the third dust collecting chamber 260 from the outside. That is, when the dust collecting unit 200 is mounted to the vacuum cleaner main body 100, the third dust collecting chamber 260 forms an outer appearance of the rear end of the main body 100, wherein the dust collecting container 210 is When transparent, the user can easily recognize the foreign matter accumulated in the third dust collection chamber 260 to determine a suitable time to remove the foreign matter.

A cover button 262 is provided at the front lower end of the dust collecting container 210. The cover button 262 is selectively engaged with the hook hook 232 of the lower cover 230 to be described below to control the opening and closing of the lower cover 230.

And a dust collecting handle 264 is formed on the rear surface of the dust collecting container 210. The dust collecting handle 264 is for facilitating a user's grip and protrudes rearward from the rear surface of the dust collecting container 210.

The lower cover 230 is made of a disc of a shape corresponding to the lower end of the dust collecting container 210, a hook hook 232 is formed at the front end and a cover hinge 234 is provided at the rear end.

The cover hinge 234 serves as a pivot center of the top cover 220, and the hook hook 232 serves to fix the front end of the bottom cover 230. That is, the cover hinge 234 is rotatably installed at the lower end of the dust collecting container 210, the hook hook 232 is fastened to the cover button 262. In this case, the lower cover 230 is fixed to the lower end of the dust collecting container (210).

The upper cover 220 serves to guide the air passing through the second dust collecting device to the outside of the dust collecting unit 200 while shielding the upper surface of the dust collecting container 210. The discharge passage 222 is formed inside. That is, a predetermined space is formed between the bottom surface and the top surface of the top cover 220 to form the discharge passage 222.

A discharge port 224 is formed at the tip of the top cover 220. The discharge port 224 is a portion in which the air filtered by the foreign matter is discharged from the dust collecting unit 200, and is formed to protrude a predetermined portion from the upper cover 220 forward. The discharge port 224 is configured to communicate with the discharge passage 222.

Meanwhile, as shown in FIG. 7, a predetermined space is formed between the bottom of the upper cover 220 and the upper surface of the dust collecting container 210 to form an assembly space 270. Accordingly, the air flowing upward through the respective guide tubes 254 is collected in the assembly space 270, and the air flows into the discharge passage 222 of the upper cover 220.

Air leaving the dust collecting unit 200 through the discharge port 224 is introduced into the motor assembly 140.

Hereinafter, the operation of the vacuum cleaner having the configuration as described above and the main body and the dust collecting unit will be described.

First, a state in which air and foreign substances are sucked and cleaned in a vacuum cleaner having the above configuration will be described with reference to FIGS. 3 to 9.

When the user operates the operation unit 82, the operation of the motor assembly 140 is started to generate a suction force in the vacuum cleaner. Therefore, the suction force allows the outside air and foreign matter to be sucked through the suction nozzle body 50.

Air and foreign matter sucked through the suction nozzle body 50 are introduced into the main body 100 through the extension pipe 60 and the connection hose 70. The air introduced into the main body 100 enters into the dust collecting unit 200 through the suction guide 212.

Air and foreign matter introduced into the dust collection unit 200 is rotated along the inner surface of the guide cylinder 242, and the turning air passes through the air hole 244a 'of the filter 244a to filter 244a. Flows inside.

At this time, foreign matter in the air is accumulated in the third dust collecting chamber 260 or the first dust collecting chamber 248. Looking in more detail, some of the foreign matter contained in the air flowing into the guide barrel 242 at a high speed through the suction guide 212 passes through the inlet 260 'by the inlet speed and inertial force The third dust collecting chamber 260 enters and is stacked.

In addition, a large foreign material that does not pass through the air hole 244a 'of the filter 244a among the foreign matters in the air which has been continuously turning along the inner surface of the guide cylinder 242 falls below the skirt 244b and is thus collected. Accumulate in the room 248.

Of course, the air introduced into the dust collecting unit 200 moves in a concentric manner even under the skirt 244b, and rotation is blocked by the flow preventing plate 244c. Then, it moves upwards to the skirt 244b and passes through the filter 244a. At this time, the foreign material that is relatively heavy will move to the lower portion of the skirt 244b and will not be able to flow back to the upper portion of the skirt 244b and will be accumulated in the first dust collecting chamber 248.

Air and fine foreign matter introduced into the filter 244a are radially dispersed in the guide passage 246 and introduced into each of the small cyclones 252. In this case, the air flowing into the small cyclone 252 is guided by a guide part (not shown) formed at the upper end of the small cyclone 252 to be rotated in a spiral direction.

Therefore, the air and the fine foreign matter is lowered while turning inside the small cyclone 252, the speed of the air is gradually increased down to the lower end of the small cyclone 252.

At this time, as air descends while turning along the inner surface of the small cyclone 252, an upward airflow is formed at the center of the small cyclone 252. This is similar to the air currents formed in the eye of a typhoon. Therefore, the upward airflow is guided by the plurality of guide pipes 254 to flow above the dust collecting container 210 to be collected in the assembly space 270.

In this process, the fine foreign matter turning with the air in the small cyclone 252 is ejected to the lower side of the small cyclone 252 without being caught in the upward air flow by inertial or centrifugal force. Therefore, such fine foreign matter is accumulated in the second dust collecting chamber (256).

Meanwhile, the air collected in the assembly space 270 is introduced into the upper cover 220 and discharged through the discharge port 224 through the discharge passage 222.

On the other hand, since the connection pipe 280 is formed between the discharge port 224 and the motor assembly 140, the purified air exiting the dust collection unit 200 is as shown in Figure 9 along the connection pipe 280 It flows into the head 140 ′ of the motor assembly 140.

 The air introduced into the head 140 ′ of the motor assembly 140 is discharged outward from the lower half of the motor assembly 140 and passes through the discharge hole 122 ′ of the motor housing 122 to the exhaust assembly. Flows into (126).

The air introduced into the exhaust assembly 126 is purified again through an exhaust filter (not shown) and discharged outside the side (right side) of the main body 100 of the vacuum cleaner. That is, air and foreign matter are introduced from the front of the main body 100 and guided by the exhaust assembly 126 to be discharged to the right side of the main body 100.

When foreign matters are accumulated in the first dust collecting chamber 248 and the second dust collecting chamber 256 by the above process, the foreign material is removed by opening the lower cover 230. That is, since the rear end portion of the dust collecting container 210, particularly the third dust collecting chamber 260 in which the third dust collecting chamber 260 is formed, is formed of a transparent material, the dust collecting unit 200 is the main body 100 as shown in FIG. The user checks the degree of foreign matter accumulated in the third dust collecting chamber 260 by removing the foreign material by opening the lower cover 230 when foreign matter is collected.

Looking at the foreign matter removal method in more detail, when the cover button 262 is pressed, the hook hook 232 of the lower cover 230 is removed from the cover button 262. In this case, the lower cover 230 is opened by rotating the cover hinge 234 downward to the axis, wherein foreign matters collected in the first dust collecting chamber 248 and the second dust collecting chamber 256 are downward. It will fall off and be removed.

The scope of the present invention is not limited to the above-described embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the scope of the present invention.

In the above exemplary embodiment, three dust collecting chambers 248, 256, and 260 in which foreign substances in the air are filtered and stacked are illustrated. However, four or more dust collecting chambers 248, 256, and 260 may be formed.

In the main body of the vacuum cleaner according to the present invention as described above, foreign matter in the air sucked from the outside is double filtered by the cyclone flow. Therefore, there is an advantage that the air purification capacity (foreign material filtering ability) of the vacuum cleaner is improved.

In addition, in the present invention, three dust collecting chambers are provided to collect foreign substances in the air. Therefore, since foreign matters in the air are sequentially separated and stacked, there is an advantage that the foreign matter filtering operation is more effectively performed.

In addition, in the present invention, since the dust collecting container is made of a transparent material, and the third dust collecting chamber in which the foreign matter is collected is located at the rear end of the vacuum cleaner main body, the user can collect the foreign matter collected from the outside without separating the dust collecting unit from the vacuum cleaner main body. There is an advantage that can easily determine the amount of.

Claims (5)

The first cyclone apparatus 240 includes a filter assembly for primarily filtering foreign matter in the air, and the second cyclone apparatus 250 for secondarily filtering foreign matter in the air passing through the first cyclone apparatus 240. And a dust collecting container 210 having a plurality of dust collecting chambers 248, 256, and 260 in which foreign substances in the air are separated and collected; An upper cover 220 for shielding an upper surface of the dust collecting container 210; And Includes a bottom cover 230 for shielding the bottom of the dust collecting container 210, In the plurality of dust collecting chambers (248, 256, 260), A first dust collecting chamber having a suction guide formed therein and provided inside the guide cylinder for accommodating the filter assembly; A second dust collection chamber formed under the plurality of small cyclones provided in the second cyclone apparatus; And Dust collecting of the vacuum cleaner which is provided on the opposite side of the suction guide from the outside of the guide cylinder, and includes a third dust collecting chamber which stores at least a portion of foreign matter contained in the air flowing into the guide cylinder through the suction guide. Unit. delete The method of claim 1, wherein the second cyclone device 250, A plurality of small cyclones 252 for guiding the spiral flow of air; A plurality of guide tubes 254 located inside the small cyclone 252 to guide an upward flow of air; And a second dust collecting chamber (256) in which foreign matters in the air are separated and accumulated. delete According to claim 1, wherein the guide cylinder 242 is characterized in that the inlet 260 ′ is formed to guide the air and foreign matter introduced into the guide cylinder 242 to enter the third dust collecting chamber 260 Dust collection unit of vacuum cleaner.

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