KR20050119740A - A dust collector for vacuum cleaner - Google Patents

Abstract

The present invention relates to a dust collecting assembly of a vacuum cleaner having dust collecting means for filtering foreign substances sucked up and down, respectively, and filtered air discharged downward.

The present invention body 150 to form an upper appearance; A dust collecting tube 110 provided at a lower portion of the body 150 to form a lower appearance; First dust collecting means provided inside the dust collecting tube 110 to filter out foreign substances in the air flowing in from the side; A second dust collecting means provided inside the body 150 to secondaryly filter foreign matter in the air; A central passage 130 provided at an inner center of the dust collecting tube 110 to guide a downward flow of air passing through the second dust collecting means; It is formed through the lower surface of the dust collecting tube 110, and has a configuration including an exhaust guide 140 for guiding the air of the central passage 130 to discharge downward. And the second dust collecting means is composed of a small cyclone 160, the small cyclone 160 is provided with a plurality of radially from the central portion of the body 150. According to such a configuration, since the foreign matter in the air is filtered twice, there is an advantage that the efficiency of the vacuum cleaner is improved.

Description

Dust collector for vacuum cleaner {A dust collector for vacuum cleaner}

The present invention relates to a vacuum cleaner, and more particularly, to a dust collection assembly of a vacuum cleaner, each of which is provided with a dust collecting means for filtering foreign substances in the air sucked up and down, and the filtered air is discharged downward.

1 shows a configuration of a general vacuum cleaner. As shown in the drawing, 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 is composed of an upper body (6) that is built.

In addition, wheels 8 are fastened to both sides of the body so that the main body 1 can smoothly move the bottom surface, and the wheels 8 are separated from foreign substances sucked from the air sucked through the suction nozzles 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 wire 9 connected to the power supply unit (not shown) built in the main body 1, the vacuum cleaner is in a standby state. At this time, when 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.

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 container 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 container 10 in a state in which a conventional dust filter 14 is fastened, so that air introduced into the main body through a suction connection portion can flow along the inner wall of the dust collecting container in a tangential direction. The guide suction guide 12 is molded, and the separator 13 having a hole 13a formed therein is assembled so that a large amount of dust contained in the air introduced through the suction guide 12 can be separated. The other outer wall of the suction guide part 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 an upper part of the dust collecting container 10 configured as described above, and a dust filter 14 at the edge of the bottom surface of the discharge port 11a. ) Is fastened.

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 portion 14a edge which fixes and supports the bottom of the filter body 14b protrudes a predetermined portion upward to surround the bottom of the filter body 14b.

It is preferable that the filter body 14b of the dust filter 14 is formed of a material that can secure a certain strength or more and take shape upon cleaning 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 and lower fixing portions (not shown) and the lower fixing portion 14a for fixing and supporting the upper and lower portions of the filter body 14b are also configured so that the filter body 14b can maintain a cylindrical shape and can be washed. It can also comprise a synthetic resin material.

Since the filter 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 body 14b so that fine foreign matter is not included in the air discharged through the discharge port 11a.

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

However, the conventional configuration as described above has a problem that the removal of foreign matter in the air is not smooth. That is, in the prior art as described above, since the filtering is performed by a single dust collecting means composed of the dust filter 14, there is a problem that effective filtering of foreign matter.

Therefore, an object of the present invention is to solve the problems in the prior art, it is provided with a double dust collecting means for filtering foreign matter in the air, the filtered air is collected in the vacuum cleaner is discharged to the lower side of the dust collector To provide an assembly.

Another object of the present invention is to provide a dust collection assembly of a vacuum cleaner having a first dust collecting means provided below and a second dust collecting means provided above the first dust collecting means.

According to a feature of the present invention for achieving the above object, the present invention and the body forming the upper appearance; A dust collecting passage provided at a lower portion of the body to form a lower appearance; First dust collecting means provided inside the dust collecting container and primarily filtering foreign matter in the air flowing from the side; A second dust collecting means provided inside the body to filter second foreign matter in the air; A central passage provided in the inner center of the dust collecting container and guiding a downward flow of air passing through the second dust collecting means; It is formed through the lower surface of the dust collector, characterized in that it has a configuration including an exhaust guide for guiding the air in the central passage to be discharged downward.

The second dust collecting means has a configuration including a small cyclone, characterized in that the plurality of small cyclones are provided radially from the central portion of the body.

The small cyclone has a conical shape that gradually decreases in diameter as it goes upward.

The small cyclone is characterized in that the discharge guide tube for guiding the filtered air downward.

The discharge guide tube is formed up and down, characterized in that it has a cylindrical shape.

The discharge guide tube is formed integrally with the dust collecting plate formed on the lower end of the small cyclone.

The first dust collecting means is characterized in that it comprises a dust filter for filtering foreign matter in the air flowing from the outside.

The dust filter has a cylindrical shape, it is characterized in that a plurality of filter through-holes to be a flow passage of air to filter foreign matter.

The outer side of the central passage is characterized in that the rotation preventing plate for blocking the rotational movement of the air introduced into the inside is provided up and down.

The anti-rotation plate is formed to protrude outward from the outer peripheral surface of the central passage, it characterized in that a plurality of radially provided.

The upper side of the body is characterized in that the upper cap that is detachably mounted to shield the upper surface of the body.

According to such a configuration, since the foreign matter in the air is filtered twice, there is an advantage that the performance of the vacuum cleaner is improved.

Vacuum cleaners are widely used in general households, and the demand is increasing due to the necessity of cleaning carpets and sofas, and a canister type in which a nozzle part, which is a suction port, is provided separately from the main body and connected by a connecting pipe. And it can be roughly divided into an upright method (Upright type) in which the nozzle unit is formed integrally with the main body.

The filter assembly of the vacuum cleaner performs the function of separating and collecting the foreign matter in the inhaled air. Hereinafter, the canister type and the upright type, as well as the cyclone dust collection that can be installed in all types of vacuum cleaners. The assembly will be described.

Figure 3 shows a perspective view of an upright vacuum cleaner as an embodiment in which a preferred embodiment of the vacuum cleaner dust collecting assembly according to the present invention is employed.

As shown in the figure, the upright vacuum cleaner 50 includes a suction nozzle body 60 for sucking air containing foreign substances while moving along the bottom surface, and foreign substances through the suction nozzle body 60. A body 70 having a built-in means for generating suction force for sucking air, a handle 80 installed at an upper portion of the body 70 to be grabbed by a user, and supplied from the outside to the body 70. It consists of a power cord 90 to guide the power, and a dust collecting assembly 100 to be described in detail below.

The suction nozzle body 60 is a portion for sucking air through a suction port (not shown) formed on the bottom thereof while moving in a state close to the bottom surface. Therefore, although not shown, a suction port serving as a main suction passage of external air is formed at the bottom of the suction nozzle body 60. In addition, the suction nozzle body 60 is generally provided with moving wheels 62 on both sides to facilitate the movement.

The connection part of the suction nozzle body 60 and the body 70 is configured such that the body 70 is rotatable within a predetermined angle range. That is, the body 70 is rotatably coupled to the suction nozzle body 60 within a range of a predetermined inclination angle. Therefore, when the user pulls the body 70 backward while holding the handle 80 by hand, the body 70 is inclined backward. In this case, the user is able to clean the bottom surface while adjusting the body 70 to the desired angle according to the height of his height.

On the other hand, the rear of the body 70 is further formed with a wire fastener (71). The wire fasteners 71 are preferably formed in pairs symmetrically with respect to the upper and lower ends of the rear surface of the body 70, and the power cord 90 for guiding power supplied from the outside to the pair of wire fasteners 71 is provided. Is wound and stored.

Inside the body 70, components such as a motor (not shown) and a suction fan (not shown) for generating a suction force are built in so that external air and foreign matter are sucked through the suction nozzle body 60. do. And the central portion of the body 70 is formed with a dust collecting portion 72 recessed in a predetermined portion from the front of the body 70 to the rear. Therefore, the dust collecting assembly 100, which will be described below, is inserted into the dust collecting mounting portion 72.

A suction flow path 74 is formed at the side end of the dust collecting mounting part 72 to guide the air introduced through the suction nozzle body 60 to the dust collecting assembly 100. The upper end of the suction passage 74 is coupled with the suction guide 112 of the dust collecting assembly 100 to be described in detail below, and the lower end of the suction passage 74 is the suction port (not shown) of the suction nozzle body 60. Is not communicated with). Therefore, air and foreign matter introduced through the suction nozzle body 60 are sucked into the dust collecting assembly 100 which will be described below through the suction passage 74.

The dust collecting assembly 72 of the body 70 is provided with a dust collecting assembly 100 having a cylindrical shape. The dust collecting assembly 100 serves to filter foreign matter in the air sucked through the suction nozzle body 60 and is detachably mounted to the dust collecting mounting unit 72.

4 and 5 are a perspective view and an exploded perspective view of the vacuum cleaner dust collecting assembly according to the present invention, Figure 6 shows the internal configuration of the dust collecting assembly according to the present invention in a cross-sectional view.

As shown in these figures, the dust collecting assembly 100 according to the present invention is provided with a substantially cylindrical dust collecting container 110 to form an appearance, the suction guide 112 on one side upper end of the dust collecting container 110 Is formed. The dust collector 110 is detachably coupled to the body 150 to be described below.

The suction guide 112 has one end formed to protrude a predetermined portion to the outside of the dust collecting container (110). And the inner end of the suction guide 112 is coupled in a tangential direction to the dust collector (110). Therefore, the air flowing into the dust collecting container 110 through the suction guide 112 flows while rotating in a spiral direction along the inner circumferential surface of the dust collecting container 110.

Inside the dust collecting container 110, a dust filter 120 serving as the first dust collecting means is provided. The dust filter 120 has a cylindrical shape having a relatively smaller diameter than the dust collecting container 110, it is preferably made of a plastic material.

In addition, a plurality of filter vent holes 122 are formed in the dust filter 120. The filter vent 122 is formed to a predetermined size, and passes the air introduced through the suction guide 112. Therefore, foreign substances such as dust having a relatively large size do not pass through the filter vent hole 122 and fall downward.

The central passage 130 is formed in the inner central portion of the dust collecting tube 110 up and down. The central passage 130 has a cylindrical shape, and guides the air descending through the discharge guide tube 166 to be described below. Therefore, the central passage 130 has an upper end in contact with the body 150 to be described below, and the lower end is in contact with the bottom surface of the dust collecting tube 110.

The outer circumferential surface of the central passage 130 is provided with a rotation preventing plate 132. The anti-rotation plate 132 is formed to protrude outward from the outer circumferential surface of the central passage 130, a plurality of radially provided around the central passage 130, is sucked through the suction guide 112 Prevent the rotation of air. That is, the air flowing into the dust collecting container 110 through the suction guide 112 flows while rotating in a spiral direction, and dust accumulated on the lower surface of the dust collecting container 110 is scattered. Therefore, the anti-rotation plate 132 blocks the rotational flow of air to prevent the scattering of dust.

An exhaust guide 140 protruding a predetermined portion downward is formed on the bottom surface of the dust collecting container 110. The exhaust guide 140 guides the air descending through the central passage 130 to be discharged to the lower portion of the dust collector 110. Therefore, the exhaust guide 140 is installed to communicate with the lower end of the central passage (130).

The upper side of the dust collector 110 is provided with a cylindrical body 150 forming an upper appearance. In addition, a lower vent hole 152 is formed in communication with the central passage 130 at the lower center portion of the body 150.

A plurality of upper vent holes 154 are formed at the outer side of the lower vent holes 152. The upper vent 154 is a place where the air primarily filtered by the dust filter 120 is guided upward, and is formed radially around the lower vent 152 and will be described below. The spiral flow path 162 is communicated with.

A second dust collecting means is provided inside the body 150, and the second dust collecting means includes a plurality of small cyclones 160 having a funnel shape. That is, the small cyclone 160 has a conical shape that gradually decreases in diameter as it goes upwards, and a plurality of small cyclones 160 are radially installed around the central portion of the body 150.

A plurality of spiral flow passages 162 are formed at the lower end of the small cyclone 160. The spiral flow path 162 is a passage for guiding the air filtered by the foreign matter from the inside of the dust collecting container 110 into the small cyclone 160, and the number corresponding to the small cyclone 160 is increased. Is formed.

The upper end of the spiral flow path 162 is in communication with the inside of the small cyclone 160, the lower end is in communication with the inside of the dust collector (110). That is, the lower end of the spiral passage 162 communicates with the inside of the dust filter 120 through the upper vent hole 154 and the upper end communicates with the lower end of the small cyclone 160. Therefore, the air introduced into the small cyclone 160 by the spiral flow path 162 rises while rotating in a spiral direction along the inner surface of the small cyclone 160.

A dust collecting plate 164 is formed at the lower end of the small cyclone 160 to partition the upper and lower sides. The dust collecting plate 164 is filtered through the small cyclone 160 on the upper surface to accumulate foreign matter in the air scattered upwards fall.

The discharge guide tube 166 is provided inside the small cyclone 160. The discharge guide tube 166 is formed integrally with the dust collecting plate 164 to guide the falling of the air rising along the inner surface of the small cyclone 160 to have a predetermined height upward from the dust collecting plate 164. Is formed.

The upper cap 170 is mounted on the upper side of the body 150. The upper cap 170 is detachably mounted to the body 150 to shield the upper surface of the body 150. And the upper surface of the upper cap 170, the dust collecting handle 172 for easy mounting of the dust collecting assembly 100 is formed to protrude upward.

Hereinafter, the operation of the vacuum cleaner dust collection assembly having the above configuration will be described with reference to FIGS. 3 to 6.

First, when power is applied from the outside through the power cord 90 and a vacuum cleaner is operated, external air and foreign matter are sucked through the suction nozzle body 60, and the suction air and foreign matter are sucked into the suction passage ( 74) and the suction guide 112 is introduced into the dust collecting container (110).

The inner end of the suction guide 112 is in tangential communication with the dust collecting container 110, the outer end is protruded to the outside of the dust collecting container 110, it is introduced through the suction guide 112 Air and foreign substances rotate in a spiral inside the dust collecting container 110, and is introduced into the dust filter 120.

As described above, foreign substances in the air having a relatively large size are primarily filtered by passing air and foreign substances introduced into the dust collecting tube 110 through the filter vent hole 122 of the dust filter 120. Dropped to the lower surface of the dust collector 110, the air and fine dust passing through the dust filter 120 flows upward through the upper vent hole 154.

Air passing through the upper vent hole 154 is guided through the spiral flow path 162 to perform a rotational movement in the spiral direction. Thus, the air and the fine foreign matter rotating in the spiral direction forms a whirlwind. That is, concentric circular flow (tangential flow) is generated inside the small cyclone 160.

Air and foreign matter introduced into the small cyclone 160 is increased in the spiral direction along the inner circumferential surface of the small cyclone 160, and the diameter of the small cyclone 160 gradually decreases upwards so that the small cyclone 160 ) The speed of air and foreign material rising along the inner circumferential surface gradually increases.

As described above, when air and foreign matter rise along the inner circumferential surface of the small cyclone 160, a descending airflow is formed at the center of the small cyclone 160. Therefore, foreign matter in the air flowing in the spiral direction along the inner circumferential surface of the small cyclone 160 is ejected upward of the small cyclone 160 by inertial force is accumulated on the upper surface of the dust collecting plate 164, the foreign matter is separated air Moves downward along the discharge guide tube 166. By this process, foreign matter in the air is secondarily filtered inside the small cyclone 160.

Air moved downward along the plurality of discharge guide pipes 166 is joined from the lower portion of the dust collecting plate 164 and guided to the lower portion of the dust collecting tube 110 through the central passage 130, the exhaust guide ( It is discharged below the dust collector 110 through 140.

Meanwhile, since the dust collecting container 110 and the upper cap 170 are detachably mounted to the body 150, foreign matters can be removed by separating the dust collecting container 110 and the upper cap 170. That is, a relatively large foreign matter accumulated on the lower surface of the dust collecting container 110 is removed by removing the dust collecting container 110 from the body 150, and the fine foreign matter accumulated on the upper surface of the dust collecting plate 164 is the upper portion. It is possible to remove the cap 170 from the body 150.

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

For example, in the above embodiment, the lower surface of the dust collecting container 110 is not provided with a separate lower cover, but of course, a lower surface cover for opening and closing the lower surface of the dust collecting container 110 may be provided. In this case, even when the dust collecting container 110 is not separated from the body 150, the lower surface of the dust collector is opened to remove foreign matter therein.

In the vacuum cleaner dust collection assembly according to the present invention as described above, the first dust collecting means for filtering the dust in the air and the second dust collecting means are provided at the top and bottom, respectively, and the filtered air is discharged downward. Therefore, the foreign matter in the air is filtered twice, there is an advantage that the efficiency of the vacuum cleaner is improved.

In addition, in the present invention, the first dust collecting means is composed of a dust filter made of plastic material in which a plurality of filter vent holes are formed, and the second dust collecting means is composed of a plurality of small cyclones. Therefore, clogging of the filter generated in the conventional filter composed of a network filter, a bent filter, etc. is prevented, there is an advantage that can maintain a constant suction force.

1 is a perspective view showing an appearance configuration of a general vacuum cleaner.

Figure 2 is a perspective view showing the configuration of a vacuum cleaner dust collector according to the prior art.

Figure 3 is a perspective view of an upright vacuum cleaner employing a preferred embodiment of the vacuum cleaner dust collection assembly according to the present invention.

Figure 4 is an external perspective view of a preferred embodiment of the vacuum cleaner dust collection assembly according to the present invention.

Figure 5 is an exploded perspective view showing the configuration of a preferred embodiment of the vacuum cleaner dust collection assembly according to the present invention.

Figure 6 is a cross-sectional view showing a state in which air flows inside the preferred embodiment of the vacuum cleaner dust collection assembly according to the present invention.

Explanation of symbols on the main parts of the drawings

50. Vacuum cleaner 60. Suction nozzle body

70.Body 80.Handle

100. Dust collection assembly 110. Dust collection

112. Suction guide 120. Dust filter

122. Filter vent 130. Central passage

132. Anti-rotation plate 140. Exhaust guide

150.Body 152. Downward Vent

154. Upward Ventilation 160. Small Cyclone

162. Spiral Euro 164. Dust Collector

166. Discharge guide tube 170. Upper cap

172. Dust Collector

Claims (11)

A body 150 forming an upper appearance; A dust collecting tube 110 provided at a lower portion of the body 150 to form a lower appearance; First dust collecting means provided inside the dust collecting tube 110 to filter out foreign substances in the air flowing in from the side; A second dust collecting means provided inside the body 150 to secondaryly filter foreign matter in the air; A central passage 130 provided at an inner center of the dust collecting tube 110 to guide a downward flow of air passing through the second dust collecting means; It is formed through the lower surface of the dust collector 110, the dust collection assembly of the vacuum cleaner, characterized in that it comprises a configuration comprising an exhaust guide 140 for guiding the air of the central passage 130 to discharge downward. The vacuum cleaner according to claim 1, wherein the second dust collecting means includes a small cyclone (160), and the plurality of small cyclones (160) are radially provided from a central portion of the body (150). Dust collection assembly. The dust collection assembly of claim 2, wherein the small cyclone (160) has a conical shape whose diameter gradually decreases upward. The dust collection assembly of claim 3, wherein the small cyclone (160) is provided with a discharge guide tube (166) for guiding the filtered air downward. The dust collecting assembly of claim 4, wherein the discharge guide tube (166) is formed up and down, and has a cylindrical shape. The dust collection assembly of claim 4, wherein the discharge guide tube (166) is integrally formed with a dust collecting plate (164) formed at a lower end of the small cyclone (160). 7. The vacuum cleaner as claimed in any one of claims 1 to 6, wherein the first dust collecting means comprises a dust filter 120 for filtering foreign matter from the air introduced from the outside. Dust collection assembly. The dust filter assembly of claim 7, wherein the dust filter (120) has a cylindrical shape, and a plurality of filter vent holes (122) forming a flow path of air are formed to filter foreign matters. According to any one of claims 1 to 6, The outer side of the central passage 130, characterized in that the anti-rotation plate 132 for blocking the rotational movement of the air introduced into the interior is provided with a vertical Dust collection assembly of vacuum cleaner. The dust collecting assembly of claim 8, wherein the anti-rotation plate (132) is formed to protrude outward from an outer circumferential surface of the central passage (130), and a plurality of radial preventing plates are provided radially. The dust collector according to any one of claims 1 to 6, wherein an upper cap 170 is detachably mounted on an upper side of the body 150 to shield an upper surface of the body 150. assembly.