KR20060018007A - A dust collector for vacuum cleaner - Google Patents

Abstract

The present invention relates to a dust collecting assembly of a vacuum cleaner having a double dust collecting means for filtering foreign matter in the air, the filtered air is discharged to the side.

The present invention is a dust collector (110) to form an appearance; A first dust collecting means provided inside the dust collecting tube 110 and primarily filtering foreign matter in the air flowing from the side; A second dust collecting means provided below the first dust collecting means and filtering the foreign matter in the air secondaryly; An exhaust passage 126 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 side of the dust collector 110, has a configuration including an exhaust guide 132 for guiding the air of the exhaust passage 126 to be discharged to the outside. In addition, the second dust collecting means has a configuration including a plurality of small cyclones 160, the small cyclone 160 is provided radially from the central portion of the dust collecting container 110, the cone is gradually reduced in diameter downward It has a shape. According to such a structure, since the foreign material in air is double-filtered, there exists an advantage that the performance of a vacuum cleaner improves.

Vacuum cleaner, dust collection assembly, double, cyclone, side exhaust

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 configuration of the second dust collecting means constituting 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.

8 is a cross-sectional view taken along the line CC ′ of FIG. 5.

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 124. Exhaust guide plate

126. Exhaust passage 128. Air flow pipe                 

130. Handle 132. Exhaust guide

140. Top cover 142. Filter fixing part

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 180. Discharge guide tube

The present invention relates to a vacuum cleaner, and more particularly, a dust collecting means for filtering a foreign material in the suction air is provided in the upper and lower, respectively, and the filtered air relates to the dust collection assembly of the vacuum cleaner discharged to the side.

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, and the air containing the fine dust and the like is separated from the sucked air through the dust collector 10. The cleaning is performed while discharging to the outside of the main body 1 through 8a).

2 is a view illustrating a dust collecting container 10 in a state in which a conventional dust filter 14 is fastened. On one side, air introduced into the main body through a suction connection part may flow in a tangential direction along an inner wall of the dust collecting container. The suction guide 12 is formed so that the guide plate is formed therein, and a separator 13 having a hole 13a formed therein is formed therein so that a large amount of dust contained in the air introduced through the suction guide 12 can be separated. The other side outer wall of the suction guide portion 12 is assembled, the handle 15 to facilitate the removal from the main body 1 is further molded.

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 foreign material removal is difficult.

Accordingly, an object of the present invention is to solve the problems in the prior art as described above, and to provide a dust collecting assembly of a vacuum cleaner having dust collecting means for filtering foreign substances in the air, respectively.

Another object of the present invention is to provide a dust collection assembly of a vacuum cleaner in which filtered air is discharged to the side of the dust collecting container.

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; A first dust collecting means provided inside the dust collecting container and primarily filtering foreign matter in the air flowing in from the side; A second dust collecting means provided below the first dust collecting means and filtering the foreign matter in the air secondaryly; An exhaust passage formed at one side of the second dust collecting stage and configured to guide the discharge of air passing through the second dust collecting means; It is formed through the side 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 to the outside.

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 is characterized by having a conical shape that gradually decreases in diameter downward.

Inside the small cyclone is characterized in that the discharge guide pipe for guiding the filtered air upward.

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 to form a lower 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 may be detachably mounted to an upper cover that shields an upper surface of the dust collecting container.

The exhaust passage is characterized in that formed in the lower portion of the separating plate for partitioning the inside of the dust collector up and down.

According to such a structure, since the foreign material in the air is filtered twice, there is an advantage that the foreign material removal efficiency 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.

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 a second dust collecting means 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.

The suction guide 112 is formed so that one end thereof protrudes to the outside of the dust collecting container 110, and the air flowing into the dust collecting container 110 may flow along the inner wall of the dust collecting container 110 in a tangential direction. Guide to help. Therefore, the suction guide 112 is formed to be inclined at an angle to the outer surface of the dust collecting container (110).                     

The inner central portion of the dust collecting container 110 is provided with a separating plate 120 for partitioning 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.

The exhaust guide plate 124 is formed below the separation plate 120 by a predetermined distance. The exhaust guide plate 124 is formed to have a size corresponding to that of the separation plate 120 so that an outer circumferential surface thereof is closely attached to an inner surface of the dust collecting container 110. Therefore, an exhaust passage 126 is formed between the separator plate 120 and the exhaust guide plate 124.

The exhaust passage 126 is a place where the air discharged through the small cyclone 160, which is the second dust collecting means to be described below, is guided, and the air flow pipe 128 is vertically disposed at the center of the exhaust passage 126. Is formed. The air flow tube 128 is formed to have a diameter corresponding to that of the air through hole 122 to guide air and foreign matter flowing through the air through hole 122 to the lower portion of the exhaust guide plate 124. In addition, a plurality of discharge guide tubes 180 to be described below are radially formed below the exhaust guide plate 124.

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. In addition, the exhaust guide 132 is formed to protrude to the lower side of the handle 130. The exhaust guide 132 is formed to penetrate the side surface of the dust collecting container 110, and guides the air of the exhaust passage 126 to be described below to be discharged to the outside.

The upper surface of the dust collecting container 110 is shielded by the upper cover 140. The top cover 140 is mounted to open and close at the upper end of the dust collecting container 110, the bottom surface is formed so that the filter fixing portion 142 is selectively mounted to the dust filter 150 to be described below to be projected downward do.

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 to filter the air sucked.

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 in which the longitudinal wrinkles are repeated in the circumferential direction It has a configuration including a lower fixing portion 154 fixed to support, 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 part 156 of the dust filter 150 is preferably formed to have an outer diameter larger than the outer diameter of the filter body 152, and detachably attached to the filter fixing part 142 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.

The lower portion of the exhaust guide plate 124 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 dust collecting plate 170 spaced a predetermined interval is formed on the lower side of the exhaust guide plate 124, six small cyclones 160 are provided radially on the dust collecting plate 170.

The small cyclone 160 has a conical shape that gradually decreases in diameter downward, and has an upper end integrally formed with the dust collecting plate 170. The upper end of the small cyclone 160 extends upward to form a circular border 162, and a part of the circular border 162 is opened 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 180 is provided up and down in the center portion of the small cyclone 160. The discharge guide tube 180 is formed in a cylindrical shape and is provided from the central portion of the small cyclone 160 to the exhaust guide plate 124. That is, the upper end of the discharge guide tube 180 is formed integrally with the exhaust guide plate 124, the lower end is located in the central portion of the small cyclone 160.

The discharge guide tube 180 serves to guide the air lowered to the lower cyclone 160 again upward while rotating in a spiral direction along the inner circumferential surface of the small cyclone 160. That is, when air descends along the inner circumferential surface of the small cyclone 160, an upward air flow is generated in the center portion. The upward air flow is guided along the discharge guide pipe 180 to allow the exhaust passage 126 and the exhaust guide 132 to be discharged. Is discharged laterally).

Hereinafter, the operation of the vacuum cleaner dust collection assembly having the above configuration will be described with reference to FIGS. 4 to 8.

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 collecting container 110 through the suction guide 112.

Since the suction guide 112 protrudes in the tangential direction of the dust collecting container 110, air and foreign substances introduced through the suction guide 112 rotate in a spiral manner in the dust collecting container 110. It is introduced 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. The air and the foreign matter having passed through the discharge guide passage 152a sequentially reach the space between the exhaust guide plate 124 and the dust collecting plate 170 through the air through hole 122 and the air flow tube 128, and subsequently the small cyclone. 160 is introduced into the interior.

Air and foreign matter introduced into the small cyclone 160 are 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.

The air and foreign matter introduced into the small cyclone 160 is lowered in a spiral direction along the inner circumferential surface of the small cyclone 160, and the diameter of the small cyclone 160 is gradually reduced downwardly to a small cyclone ( 160) The speed of air and foreign matter descending along the inner circumferential surface gradually increases.

As described above, when air and foreign substances descend along the inner circumferential surface of the small cyclone 160, an upward airflow is formed at the center of the small cyclone 160. As described above, the principle that the rising air is formed at the center of the small cyclone 160 is the same as the rising air is formed at the center (eye) of the typhoon.

Therefore, the foreign matter in the air rotated along the inner circumferential surface of the small cyclone 160 is ejected to the lower cyclone 160 to understand the inertia force is accumulated on the bottom surface of the dust collector 110, the separated air is It moves upward along the discharge guide tube 180. By this process, foreign matter in the air is secondarily filtered inside the small cyclone 160.

The air moved upward along the plurality of discharge guide tubes 180 is joined in the exhaust passage 126 and discharged to the outside side of the dust collecting tube 110 through the exhaust guide 132.

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.

In the vacuum cleaner dust collection assembly according to the present invention as described above, dust collecting means for filtering dust in the air is provided in the upper and lower portions respectively. Therefore, there is an advantage that the efficiency of removing foreign matter in the air.

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.

In the present invention, the air rising through the plurality of discharge guide tubes are collected in the central portion of the dust collecting container and then discharged to the side. Therefore, it is also expected that the vacuum cleaner body and the dust collecting assembly are more easily installed.

Claims (9)

A dust collector 110 forming an appearance; A first dust collecting means provided inside the dust collecting tube 110 and primarily filtering foreign matter in the air flowing from the side; A second dust collecting means provided below the first dust collecting means and filtering the foreign matter in the air secondaryly; An exhaust passage 126 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 side of the dust collector 110, the dust collection assembly of the vacuum cleaner comprising a exhaust guide (132) for guiding the air in the exhaust passage 126 to be discharged to the outside. 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 that gradually decreases in diameter downward. The dust collection assembly of claim 3, wherein the small cyclone (160) is provided with a discharge guide tube (180) for guiding filtered air upward. The dust collecting assembly of claim 4, wherein the discharge guide pipe (180) is formed up and down, and has a cylindrical shape. The dust collecting assembly of claim 4, wherein the discharge guide tube (180) is formed integrally with a dust collecting plate (170) forming a lower surface of the exhaust passage (126). 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 detachably mounted to an upper cover (140) for shielding the upper surface of the dust collecting container (110). The dust collecting assembly of claim 1, wherein the exhaust passage (126) is formed at a lower portion of the separating plate (120) for partitioning the inside of the dust collecting container (110) up and down.

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