KR100638907B1 - A dust collector for vacuum cleaner - Google Patents

Abstract

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

The present invention is a dust collector (110) to form an appearance; An upper cover 140 for opening and closing an upper surface of the dust collecting container 110; A first dust collecting means provided at a central portion of the dust collecting tube 110 to filter out foreign matter in the air flowing in from the side; A second dust collecting means provided outside the first dust collecting means to filter the foreign matter in the air secondaryly; An exhaust passage 172 formed at one side of the second dust collecting means and guiding the discharge 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 174 for guiding the air of the exhaust passage 172 to discharge downward. The second dust collecting means is provided with a small cyclone 160 provided radially from the central portion of the dust collecting tube 110 and gradually decreasing in diameter upward. According to such a structure, there exists an advantage that the performance of a vacuum cleaner improves.

Vacuum cleaner, double cyclone, downward exhaust, top cover, foreign material removal

Description

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

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 showing the appearance configuration of a preferred embodiment of the vacuum cleaner dust collection assembly according to the present invention.

Figure 4 is a partial cutaway perspective view showing the internal configuration of a preferred embodiment of the vacuum cleaner dust collection assembly according to the present invention.

Figure 5 is a cross-sectional view showing the internal structure and the flow of air of a preferred embodiment of the vacuum cleaner dust collection assembly according to the present invention.

6 is a cross-sectional view taken along the line AA ′ of FIG. 5.

7 is a cross-sectional view taken along the line B-B 'of FIG.

Explanation of symbols on the main parts of the drawings

100. Dust collection assembly 110. Dust collection

112. Suction guide 120. Separator

122. Air through hole 130. Handle

140. Top cover 142. Opening

144. Filter seat 145. Foreign material removing member                 

150. Dust filter 152. Filter body

152a. Discharge guide flow path 154. Lower fixing part

156, Upper High Government 160. Small Cyclone

162. Circular Border 164. Air Guidance Division

170. Dust collecting plate 172. Exhaust passage

174. Exhaust Guide

The present invention relates to a vacuum cleaner, and more particularly, to a dust collecting assembly for filtering foreign substances in the sucked air, and the filtered air relates to the dust collecting assembly of the vacuum cleaner 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 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 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 from the dust collecting container 10, and the filtered air is discharged from the discharge part 8a. Cleaning is performed while the process of discharging to the outside of the main body (1).

2 is a view illustrating a dust collecting container 10 in a state where a conventional dust filter 14 is fastened. On one side, air introduced into the main body 1 through a suction connection part 3c is an inner wall of the dust collecting container 10. A suction guide 12 for guiding the flow in a tangential direction is formed along the inside, and a hole 13a is formed therein so that a large amount of dust contained in the air introduced through the suction guide 12 can be separated. A molded separator plate 13 is assembled, and a handle 15 is provided on the other outer wall of the suction guide part 12 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. In addition, the removal of the foreign matter attached to the dust filter 14 for filtering the foreign matter also has a difficult problem.

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 collecting assembly of a vacuum cleaner, wherein the first dust collecting means is provided at the center of the dust collecting container, and the second dust collecting means is provided outside the first dust collecting means.

Still another object of the present invention is to provide a dust collecting assembly of a vacuum cleaner, in which a dust filter is detachably mounted to an upper side of a top cover, and foreign matters attached to the filter are automatically removed when the dust filter is separated.

According to a feature of the present invention for achieving the above object, the present invention is a dust collecting passage to form an appearance; An upper cover for opening and closing an upper surface of the dust collecting container; A first dust collecting means provided at a central portion of the dust collecting container and primarily filtering foreign matter in the air flowing from the side; A second dust collecting means provided outside the first dust collecting means to filter the foreign matter in the air secondaryly; An exhaust passage formed at one side of the second dust collecting means and guiding the discharge 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 exhaust passage to be discharged downward.

The second dust collecting means has a configuration including a plurality of small cyclones, wherein the small cyclones are provided radially from the central portion of the dust collecting container.

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, characterized in that formed integrally with the dust collecting plate forming the upper surface of the exhaust passage.

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 is characterized in that it is installed to be detachable upward through the top cover.

The upper cover may further include a foreign matter removing member for removing foreign matter attached to an outer circumferential surface of the dust filter when the dust filter is separated.

According to such a configuration, since foreign matters in the air are dually filtered, the efficiency of the vacuum cleaner is improved, and foreign matters of the filter are easily removed.

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.

3 is a perspective view of a vacuum cleaner dust collecting assembly according to the present invention, and FIG. 4 is a partial cutaway perspective view of an internal configuration of the dust collecting assembly according to the present invention. 5 shows a cross section of the dust collecting assembly according to the present invention.

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. One end of the suction guide 112 is formed to protrude a predetermined portion to the outside of the dust collecting container 110, the inner end is formed to communicate with the dust container 115 to be described below.

The dust container 115 is formed at the inner central portion of the dust collecting container 110. The dust container 115 is a place where dust filtered by the dust filter 150 to be described below is collected, and is formed in a cylindrical shape having a smaller diameter than the dust collecting container 110. And the inner end of the suction guide 112 is coupled to the side of the dust container 115 in the tangential direction. Therefore, the air flowing into the dust container 115 through the suction guide 112 is rotated in a tangential direction along the inner wall of the dust container 115.

The lower end of the dust container 115 is shielded by a separating plate 120 that partitions the inside of the dust collecting container 110 up and down. The outer diameter of the separating plate 120 is formed in a size corresponding to the inner surface of the dust collecting container 110, the central portion of the separating plate 120 is a circular air pipe corresponding to the discharge guide passage 152a to be described below A through hole 122 is formed to guide the downward flow of air.

A handle 130 is formed on the left side (in FIGS. 3 and 5) of the dust collecting container 110. The handle 130 is formed up and down in a predetermined size to facilitate the mounting of the user.

The upper surface of the dust collecting container 110 is shielded by the upper cover 140. The top cover 140 is mounted to be opened and closed at an upper end of the dust collecting container 110, the opening portion 142 is mounted in the center through the dust filter 150 to be described below.

The opening portion 142 is formed in a circular shape corresponding to the upper end of the dust filter 150, the edge is formed stepped so that the dust filter 150 to be described below. That is, a filter seating portion 144 is formed at a lower end of the opening part 142 to support the upper fixing part 156 of the dust filter 150 to be described below.

The filter seat 144 is provided with a foreign material removing member 145 inward. The foreign material removing member 145 serves to remove foreign substances attached to the outer circumferential surface of the filter body 152 when the dust filter 150 to be described below is removed. That is, the foreign material removing member 145 is installed in a shape corresponding to the outer circumferential surface of the filter body 152 to be described below to remove the foreign material in contact with the outer circumferential surface of the filter body 152 when the dust filter 150 is removed upward. do. Therefore, the foreign material removing member 145 is preferably composed of a brush (Brush) to facilitate the separation of the foreign material.

Meanwhile, a lever seating portion 146 recessed downward is formed at one side of the opening portion 142, and a fastening lever 148 is rotatably mounted to the lever seating portion 146. The fastening lever 148 rotates the lever hinge 148 'formed on one side of the shaft to fix the fastening rib 156' of the dust filter 150 to be described below, thereby removing the dust filter 150. It serves to prevent.

The lower portion of the upper cover 140 is provided with a first dust collecting means for primarily filtering foreign matter in the air from the side, the first dust collecting means is composed of a dust filter 150. That is, the dust filter 150 is fastened to the lower portion of the upper cover 140, that is, the lower side of the opening 142, to filter the air sucked in.

The dust filter 150 is formed in a cylindrical shape to filter foreign matter in the suction air, the filter body 152 and the bottom of the filter body 152 is formed to be repeated in the circumferential direction of the longitudinal wrinkles It has a configuration including a lower fixing portion 154 for fixing and supporting, and an upper fixing portion 156 for fixing the upper end of the filter body 152.

The filter body 152 of the dust filter 150 is preferably made of a material capable of securing a certain strength or more in consideration of the flow of air penetrates strongly and maintains its shape even when washing. For example, it is preferable to be comprised from materials, such as polyester.

In addition, the upper and lower fixing parts 156 and the lower fixing part 154 for fixing and supporting the upper part and the lower part of the filter body 152 are also configured so that the filter body 152 can maintain a cylindrical shape, and at the same time, the synthetic resin is washable. It is preferably composed of ash.

And the discharge guide flow path 152a is formed in the center of the filter body 152 up and down. The discharge guide passage 152a guides the air passing through the filter body 152 to be discharged downward. Therefore, the lower ends of the discharge guide passage 152a are formed to have a size corresponding to that of the air through hole 122 of the separation plate 120 so as to be in contact with each other.

The filter body 152 is formed with a plurality of pleats in the longitudinal direction, in order to form a plurality of pleats in order to maximize the dust collection efficiency by expanding the contact surface area with the flowing air.

The upper fixing portion 156 of the dust filter 150 is preferably formed to have an outer diameter larger than the outer diameter of the filter body 152, to be detachable to the filter seat 144 of the upper cover 140. Is fastened. And the lower end fixing part 154 of the dust filter 150 is installed to contact the separation plate 120.

One end of the upper fixing part 156 protrudes laterally to form a fastening rib 156 '. The fastening rib 156 ′ is positioned at the lever seat 146 when the dust filter 150 is seated on the filter seat 144 ′ of the opening 142. Therefore, when the fastening lever 148 is rotated to fix the fastening rib 156 ′, the dust filter 150 is firmly mounted to the top cover 140.

The filter handle 158 is further formed on the upper surface of the upper fixing part 156. The filter handle 158 is to facilitate the user to attach the dust filter 150, it is preferable that a pair is formed at a position spaced a certain distance from the center.

The outer side of the dust container 115 is provided with a second dust collecting means, the second dust collecting means is composed of a plurality of small cyclone 160 of the funnel shape. That is, the small cyclone 160 has a conical shape that gradually decreases in diameter toward the upper side, and the lower end is integrally formed with the separating plate 120. The small cyclone 160 is formed in a plurality of radially around the central portion of the dust collector (110).

The lower end of the small cyclone 160 extends downward to form a circular border 162, a portion of the circular border 162 is open to form an air guide 164. That is, the air guide 164 is formed in the tangential direction of the circular border 162, the air passing through the discharge guide flow path 152a of the dust filter 150 inside the small cyclone 160 in the helical direction To get into

Discharge guide pipe 166 is provided up and down at the center of the small cyclone 160. The discharge guide tube 166 is formed in a cylindrical shape, is formed from the central portion of the small cyclone 160 over the dust collecting plate 170 to be described below. That is, the lower end of the discharge guide tube 166 is formed integrally with the dust collecting plate 170 to be described below, the upper end is located in the central portion of the small cyclone (160).

The discharge guide tube 166 rotates in a spiral direction along the inner circumferential surface of the small cyclone 160 and serves to guide the air rising to the upper end of the small cyclone 160 downward again. That is, when the air rises along the inner circumferential surface of the small cyclone 160, a descending airflow is generated in the center portion. The descending airflow is guided along the discharge guide pipe 166, and the exhaust passage 172 and the exhaust air will be described below. Discharged downward through the guide 174.

The dust collecting plate 170 is provided below the separation plate 120 by a predetermined distance. The dust collecting plate 170 is formed in a size corresponding to the separating plate 120, the outer peripheral surface is in close contact with the inner surface of the dust collecting container (110). The upper surface of the dust collecting plate 170 is in contact with the circular rim 162 of the small cyclone 160 and the lower end of the air guide 164, and the lower end of the discharge guide tube 166 penetrates the dust collecting plate 170. To be installed.

An exhaust passage 172 is formed between the dust collecting plate 170 and the lower surface of the dust collecting cylinder 110. That is, the dust collecting plate 170 is formed to be spaced apart from the lower surface of the dust collecting tube 110 by a predetermined interval to form the exhaust passage 172. In addition, an exhaust guide 174 penetrating up and down is formed at a central portion of the lower surface of the dust collecting container 110. The exhaust guide 174 is a portion through which the foreign material filtered air is discharged, and is formed to protrude downwardly from the lower surface of the dust collecting container 110. Therefore, the air guided downward along the discharge guide pipe 166 is joined in the exhaust passage 172 and discharged to the outside (outside of the dust collecting assembly) through the exhaust guide 174.

Hereinafter, the operation of the vacuum cleaner dust collection assembly having the above configuration will be described with reference to FIGS. 4 to 7.

First, although not shown, the outside air and foreign matter are sucked through the suction nozzle according to the operation of the vacuum cleaner, and the suction air and the foreign matter are introduced into the dust container 115 through the suction guide 112.

The inner end of the suction guide 112 is in tangential communication with the dust container 115, the outer end protrudes out of the dust collecting container 110, so that the air introduced through the suction guide 112 The foreign material rotates helically in the dust container 115 and flows into the dust filter 150.

In the process of passing through the dust filter 150 as described above, foreign matter in the air is primarily filtered, and the air passing through the dust filter 150 is guided downward along the discharge guide passage 152a. Air and foreign matter having passed through the discharge guide passage 152a reach the space between the separator 120 and the dust collecting plate 170 via the air through hole 122, and subsequently flow into the small cyclone 160. .

Air and foreign matter introduced into the small cyclone 160 are first guided by the air guide part 164 protruding in the tangential direction of the circular border 162. Therefore, the air and foreign matter introduced into the small cyclone 160 is rotated in a spiral to form 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 the inertial force is accumulated on the upper surface of the separation plate 120, 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.

The air moved downward along the plurality of discharge guide tubes 166 is joined in the exhaust passage 172 and discharged downward of the dust collecting cylinder 110 through the exhaust guide 174.

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 addition, it will be possible to be configured to be separated up and down around the separator plate 120. That is, the dust collecting tube 110 is divided into an up and down dust collection centering on the separator plate 120, and such an up and down dust collection may be combined with each other in the fastening means.

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 in the dust collecting chamber 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, since the second dust collecting means provided in the lower half of the dust collecting container is composed of a plurality of small cyclones, clogging caused by foreign matters is prevented, as in a conventional filter, and thus there is an advantage of being able to continuously maintain a uniform suction force.

On the other hand, in the present invention, since the foreign matter removing member is provided in the opening of the upper cover, the foreign matter attached to the filter is automatically removed when the dust filter is separated upward, thereby preventing the scattering of dust.

Claims (9)

A dust collector 110 forming an appearance; An upper cover 140 for opening and closing an upper surface of the dust collecting container 110; A first dust collecting means provided at a central portion of the dust collecting tube 110 to filter out foreign matter in the air flowing in from the side; A second dust collecting means provided outside the first dust collecting means to filter the foreign matter in the air secondaryly; An exhaust passage 172 formed at one side of the second dust collecting means and guiding the discharge of air passing through the second dust collecting means; The dust collecting assembly of the vacuum cleaner, characterized in that it is formed through the lower surface of the dust collecting tube 110, and comprises an exhaust guide 174 for guiding the air of the exhaust passage 172 to discharge downward. According to claim 1, wherein the second dust collecting means has a configuration comprising a plurality of small cyclone 160, the small cyclone 160 is provided in the radial from the central portion of the dust collecting tube 110 Dust collection assembly of vacuum cleaner. 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 collecting assembly of claim 4, wherein the discharge guide tube (166) is integrally formed with a dust collecting plate (170) forming an upper surface of the exhaust passage (172). The dust collecting assembly of claim 1, wherein the first dust collecting means comprises a dust filter (150) for filtering foreign matter from air introduced from the outside. 8. The dust collecting assembly of claim 7, wherein the dust filter (150) is installed to be detachably upward through the top cover (140). The vacuum cleaner as claimed in claim 8, wherein the upper cover 140 further includes a foreign material removing member 145 for removing foreign matter attached to an outer circumferential surface of the dust filter 150 when the dust filter 150 is separated. Dust collection assembly of vacuum cleaner.

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