KR100546629B1 - Dust collector of vacuum cleaner - Google Patents

Abstract

The present invention is to provide a dust collector of a vacuum cleaner with improved airtightness. To this end, the present invention, the dust is separated and collected, the exhaust container is formed in the exhaust port on the upper surface; An upper cover mounted on an upper portion of the dust collecting container and having an air discharge passage communicating therein with an exhaust port of the dust collecting container; And it is provided on the upper cover provides a dust collecting device of the vacuum cleaner comprising a sealing (sealing) member to prevent the air flowing out between the dust collecting container and the upper cover.

By the above configuration, airtightness is ensured between the dust collecting container and the upper cover, and the dust collecting performance of the foreign matter is improved.

Vacuum cleaner body, dust collector, top cover, sealing member, dust collector cover

Description

Dust collector for vacuum cleaner {Dust Collector for Vacuum Cleaner}

1 is a longitudinal sectional view schematically showing a conventional dust collector;

Figure 2 is a perspective view showing the dust collector and the cleaner body separately according to the present invention

Figure 3 is a perspective view showing an embodiment of a dust collector according to the present invention

Figure 4 is a longitudinal sectional view schematically showing an embodiment of a dust collector according to the present invention

5 is an exploded perspective view showing the dust collector according to the present invention

6 is a perspective view showing a dust collecting container provided in an embodiment of the dust collecting device of FIG.

7 is a perspective view showing a dust container cover provided in one embodiment of the dust collector of FIG.

8 is a bottom view of the upper cover provided in the embodiment of the dust collector of FIG.

FIG. 9 is a longitudinal cross-sectional view illustrating a filter accommodating part provided in the upper cover of FIG. 8. FIG.

<Description of Symbols for Major Parts of Drawings>

100: cleaner body 200: dust collector

210: dust collecting container 211: lower panel

212: primary dust storage unit 213: secondary dust storage unit

214: primary cyclone portion 215: secondary cyclone portion

216: boundary wall 217: outlet                 

218: guide rib 219: shatterproof member

220: dust collecting cover 230: upper cover

231: handle of the dust collector 232: locking groove

233: fourth exhaust port 234: second sealing member

235 cover housing 236 filter housing

The present invention relates to a dust collecting apparatus of a vacuum cleaner, and more particularly, to a dust collecting apparatus for collecting a foreign matter on a cyclone principle.

The cyclone dust collector is a device that collects foreign substances such as dust contained in the air by using the cyclone principle. Cyclone dust collectors are applied in various fields, and are mainly applied to vacuum cleaners for home use.

Recently, a multi-cyclone dust collector equipped with a plurality of cyclone units is used to improve dust collection performance.

Hereinafter, a dust collecting apparatus of a conventional vacuum cleaner will be described with reference to FIG. 1.

Conventional dust collector is connected to the primary cyclone dust collector 10, the primary cyclone dust collector 10, which collects relatively large dust by inhaling polluted air from the outside, and the secondary cyclone to collect relatively small dust It comprises a clone dust collector 20.                         

Here, the primary cyclone dust collecting part 10 is a cylindrical container having a lower end in close contact with the bottom of the dust collecting device, and a first inlet 11 for introducing contaminated air containing foreign matter in a tangential direction on an upper side thereof. The first exhaust port 12 through which the purified air is primarily discharged is formed at the center of the upper end.

Accordingly, the upper space of the primary cyclone dust collector 10 forms a primary cyclone portion 13 for separating foreign matter by centrifugal force, and the lower space of the primary cyclone dust collector 10 is subjected to centrifugal force. It forms a primary dust storage unit 14 for storing the foreign matter separated by.

The secondary cyclone dust collector 20 may include a plurality of small secondary cyclone portions 21 and the secondary cyclone portion circumferentially arranged around the upper portion of the primary cyclone dust collector 10. And a secondary dust storage section 22 for storing the dust separated in the sections 21).

Here, the secondary dust storage unit 22 is provided below the secondary cyclone units 21. The primary dust storage unit 14 and the secondary dust storage unit 22 are partitioned by sidewalls of the primary cyclone dust collector 10.

Therefore, the air discharged from the first exhaust port 12 flows into the secondary cyclone portion 21 and undergoes secondary dust separation, and is then discharged upward of the dust collector.

On the other hand, the upper portion of the above-described conventional dust collector, a separate upper cover (not shown) is provided, the upper cover is provided with a handle for detaching the dust collector.                         

However, the conventional dust collector having the above-described configuration has a problem in that airtightness is not guaranteed between the cyclone dust collectors and the upper cover, and dust collection performance is lowered.

In addition, in order to maintain the airtightness between the cyclone dust collectors and the upper cover, when a separate sealing member is added during the assembly of the dust collector, the number of steps of assembling the dust collector is increased and the assembly is difficult.

In addition, since foreign matters introduced into the dust collector are separated only by the cyclone method, foreign matters of a small size may not be separated.

The present invention is to solve the above-mentioned conventional problems, an object of the present invention is to provide a dust collector of a vacuum cleaner with improved airtightness.

In order to achieve the above object, the present invention, the dust is collected by separating the foreign matter, the dust collecting container is formed with an exhaust port on the upper surface; An upper cover mounted on an upper portion of the dust collecting container and having an air discharge passage communicating therein with an exhaust port of the dust collecting container; And it is provided on the upper cover provides a dust collecting device of the vacuum cleaner comprising a sealing (sealing) member to prevent the air flowing out between the dust collecting container and the upper cover.

The upper cover may include a cover housing in which the air discharge passage is formed; And a filter accommodating part inserted into the cover housing and accommodating a filter for purifying air discharged from the dust collecting container.

The sealing member may be provided at a lower edge of the filter accommodating portion to surround the upper edge of the dust collecting container and an inner wall of the cover housing to surround the lower edge of the filter accommodating portion.

The sealing member is preferably firmly fixed to the cross-sectional shape of the "c" by insert injection into the flange forming the lower edge of the filter housing.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention in which the object of the present invention can be specifically realized are described with reference to the accompanying drawings. In describing the present embodiment, the same name and the same reference numerals are used for the same configuration and additional description thereof will be omitted below.

First, referring to FIGS. 2 and 3, a canister type vacuum cleaner will be described as an embodiment of a vacuum cleaner having a dust collector according to the present invention.

2 is a perspective view showing the dust collector and the cleaner body separately according to the present invention, and FIG. 3 is a perspective view showing an embodiment of the dust collector according to the present invention.

2 and 3, the vacuum cleaner includes a suction nozzle (not shown) for sucking air containing foreign substances while moving along the floor to be cleaned, a cleaner body 100 provided separately from the suction nozzle, And a connection pipe (not shown) which connects the suction nozzle and the cleaner body 100 to each other and simultaneously guides the contaminated air sucked from the suction nozzle to the cleaner body 100.                     

Here, a nozzle suction port having a predetermined size is formed at the bottom of the suction nozzle, and the dust accumulated on the floor is sucked together with the air by the air suction force generated by the air suction device built in the cleaner body 100.

In addition, the cleaner main body 100 includes an electric component controlling the vacuum cleaner, and a motor-fan assembly constituting the air suction device.

In more detail, the front end of the cleaner body 100 is provided with a hose connecting portion 110 to which the connector is connected, the rear of both sides of the cleaner body 100, the cleaner body 100 is the bottom surface The wheels 120 are rotatably mounted to each other so as to smoothly move, and a caster of a rotating material is disposed on the bottom front of the cleaner body 100 to change the direction of the cleaner body 100. Is connected.

In addition, the dust collector 200 is detachably mounted to a front portion of the cleaner body 100, and the dust collector 200 has air collected by the suction nozzle from the dust collector 200 through the connection pipe. ) It functions to separate and collect foreign substances from the air introduced into the inside.

In addition, the air discharged from the dust collector 200 is discharged to the rear of the cleaner body 100 through a predetermined flow path formed in the cleaner body 100 and the motor-fan assembly (not shown).

Hereinafter, an embodiment of the dust collecting apparatus 200 according to the present invention will be described with reference to FIGS. 4 to 7.                     

4 to 7, the dust collecting device 200 is detachably coupled to the dust collecting container 210 and the dust collecting container 210 having a substantially cylindrical shape, and a dust collecting device handle 231 is disposed on an upper surface thereof. It includes a top cover 230 provided.

Here, the dust collecting container 210 is provided with a primary dust collecting part and a secondary dust collecting part for separating and collecting foreign substances such as dust, and the bottom of the dust collecting container 210 is composed of an openable lower panel 211. .

The primary dust collecting unit includes a primary dust separating unit and a primary dust storing unit 212 for storing the dust separated from the primary dust separating unit, and provided inside the dust collecting container 210. Consisting of a substantially cylindrical container.

In addition, the secondary dust collector, the secondary dust separator is provided around the primary dust collector to separate the foreign matter contained in the air discharged from the primary dust collector to store the dust separated from the secondary dust separator It comprises a secondary dust storage unit 213.

In the present invention, the primary dust separation unit and the secondary dust separation unit, each of the primary cyclone unit 214 and a plurality of small secondary cyclone unit 215 for separating foreign matter in a cyclone method It is composed.

In more detail, the primary cyclone portion 214 has a cylindrical container shape of which the lower end is opened, and a first suction port 214a communicating with the hose connecting portion 110 is formed at an upper side thereof. The first exhaust port 214b penetrated in the vertical direction is formed at the ceiling center portion of the cyclone portion 214.                     

Here, the first suction port 214a guides the contaminated air introduced from the outside in the tangential direction of the primary cyclone part so that air introduced into the first suction port 214a is in the primary cyclone part 214. It is configured to allow spiral flow along the inner wall.

In addition, on the upper portion of the primary cyclone portion 214, the small secondary cyclone portions 215 formed integrally with the outer wall of the dust collecting container 210 are circumferentially arranged around the upper portion of the primary cyclone portion. It is arranged in the direction, the upper end of each of the secondary cyclone portion 215 is formed to protrude a predetermined height higher than the upper end of the primary cyclone portion 214.

On the other hand, a part of the side surface of each of the secondary cyclone portion 215 protruding above the upper end of the primary cyclone portion 214 is cut in the vertical direction, the second intake port communicating with the first exhaust port 214b 215a, and an upper end of each of the secondary cyclone portions 215 is opened to form a second exhaust port 215b.

In more detail, the second inlet 215a is configured to allow the air flowing into the second inlet 215a to spirally flow along the inner wall of the secondary cyclone unit 215. Air discharged from 214b is guided tangentially to the inner wall of the secondary cyclone portion 215.

More preferably, guide vanes 215c extending toward the first exhaust port 214a may be integrally formed on the outer sidewall of the second suction port 215a.

On the other hand, one side of the secondary cyclone portion 215, more specifically, the lower portion of the secondary cyclone portion 215 is formed a cone cone portion (215d) of which the diameter decreases toward the lower side, the secondary At the lower end of the cyclone portion 215, a foreign matter discharge port 215e penetrates up and down so that foreign matter such as dust may be discharged.

Here, the adjacent secondary cyclone portions 215 are integrally formed to be in contact with each other, so that air does not flow between the secondary cyclone portions 215.

In addition, the dust collecting container 210 may further include a dust collecting container cover 220 that is provided to be opened and closed on the upper portion of the secondary cyclone parts 215, and the dust collecting container cover 220 is The air discharged from the first exhaust port 214b is guided to the secondary cyclone portion 215 more smoothly.

Here, the third exhaust port 221 corresponding to each of the second exhaust port 215b of each of the secondary cyclone portions is formed through the edge of the dust container cover 220 in the vertical direction, and the third exhaust port ( The air discharged through the 221 flows into the upper cover 230.

The dust separated from the primary cyclone part 214 and the secondary cyclone part 215 configured as described above is a dust storage part formed by the outer wall of the dust collecting container 210 and the lower panel 211. After being stored, the lower panel 211 is opened and discharged to the outside by gravity.

The dust storage unit includes the above-described primary dust storage unit 212 and the secondary dust storage unit, the primary dust storage unit 212 stores the dust separated from the primary cyclone unit 214 The secondary dust storage unit 213 stores the dust separated from the secondary cyclone unit 215.

Here, the primary dust storage unit 212 and the secondary dust storage unit 213 is integrally connected to the lower portion of the secondary cyclone portion 215 and a substantially cylindrical cylinder having a smaller radius than the outer wall of the dust collecting container. It is partitioned into a shape boundary wall 216.

The lower end of the boundary wall 216 is formed longer than the lower end of the primary cyclone portion 214, and extends to the bottom of the dust collecting container 210, that is, the upper surface of the lower panel 211.

Accordingly, the boundary wall 216 prevents the primary dust storage unit 212 and the secondary dust storage unit 213 from communicating with each other.

In addition, the boundary wall 216 is preferably configured to be curved in the circumferential direction.

The reason is to prevent the dust stored in the primary dust storage unit 212 from being scattered by the spiral flow due to the spiral flow formed in the primary cyclone portion 214.

In addition to the above configuration, the vacuum cleaner according to the present invention is provided perpendicularly to the inside of the primary cyclone portion 214, the side of which communicates with the first outlet of the primary cyclone portion 214 It further comprises an outlet portion 217 formed with a plurality of through holes, and a guide rib 218 provided in the primary cyclone portion 214 to guide the air flowing into the first inlet 214a.

Here, the outlet portion 217 is provided in the center of the primary cyclone portion 214 in the axial direction, the upper end is open and the lower end is in a closed shape, it is made of a substantially conical shape that becomes smaller toward the bottom. desirable.                     

The reason is that the speed of the spiral flow decreases toward the lower side of the primary cyclone portion 214, so that the dust falling along the inner wall of the primary cyclone portion 214 is the suction force of the outlet portion 217. To be unaffected by

And, the upper end of the outlet 217 is detachably coupled to the rim of the first exhaust port 214b, the annular shape to maintain the airtightness between the upper end of the outlet 217 and the first exhaust port (214b) It is preferred that a first sealing member is provided.

In addition, the lower portion of the outlet portion 217 is preferably provided with a scattering preventing member 219 to prevent the dust stored in the primary dust storage unit 212 to scatter.

The scattering preventing member 219 prevents dust collected in the primary dust storage unit from rising by the spiral flow and entering the secondary cyclone unit 215.

To this end, the scattering preventing member 219 is preferably formed integrally with the lower end of the outlet portion 217 to extend radially.

The upper surface of the thinner scattering member 219 is more preferably inclined downward. In more detail, the scattering prevention member 219 is formed in a cone shape in which the diameter becomes larger toward the bottom.

On the other hand, the guide rib 218 guides the air flowing into the first suction port 214a in the tangential direction of the inner wall of the primary cyclone part 214, and the air flowing into the first suction port 214a. Is prevented from directly flowing into the outlet 217.                     

Next, the upper cover 230, the bottom of which is open, is detachably mounted on an upper portion of the dust container cover 220.

To this end, three locking protrusions 222 are formed on an outer circumferential surface of the dust container cover 220, and three locking grooves 232 are inserted and locked on the inner circumferential surface of the upper cover 230. ) Are formed. Of course, the position and shape of the locking protrusion 222 and the locking groove 232 is not limited to the above.

In addition, a fourth exhaust port 233 is formed at the rear of the upper cover 230 to discharge air to a predetermined flow path formed at the rear of the cleaner body 100. An air discharge flow path communicating with the fourth exhaust port 233 is formed.

Here, the upper cover 230 is provided with a second sealing member 234 for preventing air from flowing out between the dust collecting container 210 and the upper cover 230.

In more detail, the upper cover 230 includes a cover housing 235 in which the air discharge flow path is formed, and a filter accommodating part 236 inserted into the cover housing 235 to receive a filter. It is configured to include.

And, the second sealing member 234, the filter accommodating so as to be in close contact with the upper edge of the dust collecting container cover 220 forming the upper surface of the dust collecting container 210 and the inner wall of the cover housing 235. It is preferable that the lower edge of the portion 235 is provided to surround the lower edge of the filter accommodating portion 236.                     

A flange 236a protruding outward is formed at a lower edge of the filter accommodating portion 236, and a stepped portion (not shown) supporting an upper surface of the flange 236a is formed on an inner wall of the cover housing 235. Is formed.

Here, the filter accommodated in the filter accommodating part 236, purifies the air discharged from the dust collecting container 210, that is, the air discharged from the third exhaust port 221, the filter in the present embodiment The receiving portion 236 is composed of a ring having a predetermined height, but is not limited thereto.

The second sealing member 234 is preferably fixed to the flange 236a, which forms the lower edge of the filter accommodating part 236, in a "c" cross-sectional shape by insert injection.

In other words, the flange 236a of the filter accommodating part is inserted into a mold having a 'c'-shaped groove larger than the flange 236a of the filter accommodating part on the inner side, and the flange 236a of the filter accommodating part and the' c 'are formed. When the sealing material is injected into the gap between the grooves of the 'shape, the second sealing member 234 is firmly fixed to the flange 236a of the filter accommodating portion.

In order to more firmly fix the second sealing member 234 to the flange 236a of the filter accommodating portion, when the injection grooves (not shown) are formed in the flange 236a of the filter accommodating portion, In the insert injection, the seal material injected into the lower portion of the flange 236a and the seal material injected into the upper portion of the flange 236a are interconnected so that the second sealing member 234 is connected to the flange 236a of the filter accommodation portion. More firmly).

Accordingly, when the filter accommodating part 236 having the second sealing member 234 is mounted and coupled to the inside of the upper cover 230, the upper surface and the side surface of the second sealing member 234 may be formed. It is in close contact with the stepped portion of the upper cover 230.

In addition, when the upper cover 230 is mounted on the dust collecting container 210, the bottom surface of the second sealing member 234 is in close contact with an edge portion of the dust collecting container cover outside the third exhaust ports 221. And confidentiality is maintained.

Referring to the operation of the vacuum cleaner having an embodiment of the above-described dust collector according to the present invention.

First, when the vacuum cleaner is operated, external polluted air flows into the primary cyclone unit 214 through the suction nozzle and the connection pipe.

The air flowing into the primary cyclone portion 214 is not directly introduced into the outlet portion 217 by the first suction port 214a and the guide rib 218, but the primary cyclone portion ( The inner wall of the 214 is tangentially guided to form a spiral flow.

Accordingly, the dust having a relatively heavy weight and large dusts are separated and lowered by the cyclone principle, and are stored in the primary dust storage unit 212, and the dust stored in the primary dust storage unit is scattering prevention member 219. And scattering are prevented by the curved boundary wall 216.

In addition, the air from which the relatively large dusts are separated is discharged to the first exhaust port 214b communicating with the plurality of through holes formed on the side of the outlet portion 217 and then to the plurality of secondary cyclone portions 215. It enters and goes through dust separation process again.

Air from which relatively small dusts are separated from the secondary cyclone unit 215 is introduced into the upper cover 230 through the second exhaust port 215b and the third exhaust port 221.

After the air flowing into the upper cover 230 is filtered by the filter, the air is discharged backward through the fourth exhaust port 233, and the air discharged from the fourth exhaust port 233 is rear part of the cleaner body. It is discharged to the outside of the cleaner body through a predetermined flow path formed in the.

On the other hand, the dust collector according to the present invention described above can be installed and used in the canister type vacuum cleaner and upright cleaner.

As described above, the preferred embodiments of the present invention have been described, and the fact that the present invention can be embodied in other specific forms in addition to the above-described embodiments without departing from the spirit or scope thereof has ordinary skill in the art. It is obvious to them.

Therefore, the above-described embodiments should be regarded as illustrative rather than restrictive, and thus, the present invention is not limited to the above description and may be modified within the scope of the appended claims and their equivalents.

The dust collector of the vacuum cleaner according to the present invention having the above configuration has the following effects.                     

According to the dust collecting apparatus of the vacuum cleaner according to the present invention, since the sealing member having a predetermined shape is provided on the upper cover to maintain the airtightness between the dust collecting container and the upper cover, deterioration of dust collecting performance is prevented.

In addition, according to the dust collector of the vacuum cleaner according to the present invention, since the sealing member is integrally provided with the filter accommodating part of the upper cover by insert injection, the assembly of the upper cover is easy.

Claims (4)

A dust collecting container for separating and collecting foreign matters and an exhaust port formed on an upper surface thereof; An upper cover mounted to an upper portion of the dust collecting container and having an air discharge passage communicating with an exhaust port of the dust collecting container; And And a sealing member provided on the upper cover to prevent air from flowing out between the dust collecting container and the upper cover. The method of claim 1, The upper cover, A cover housing in which the air discharge passage is formed; And The dust collecting device of the vacuum cleaner, characterized in that it is inserted into the cover housing, including a filter accommodating portion for receiving a filter for purifying the air discharged from the dust collecting container. The method of claim 2, The sealing member, The dust collecting device of the vacuum cleaner, characterized in that the upper edge portion of the dust collecting container and the inner wall of the cover housing, provided on the lower edge of the filter housing to surround the lower edge of the filter housing. The method of claim 2, The sealing member, Dust collecting device of the vacuum cleaner, characterized in that is firmly fixed in the cross-sectional shape "C" by insert (insert) injection to the flange forming the lower edge of the filter housing.

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