KR100587094B1 - A dust collector for vacuum cleaner - Google Patents

Abstract

The present invention relates to a dust collection assembly of a vacuum cleaner in which a dust collecting means for filtering a foreign substance to be sucked is provided in a dust collecting container.

The present invention, the dust collector 110 to form an appearance; A bottom cover 170 for opening and closing the bottom of the dust collecting container 110; A plurality of dust collecting pipes 120 radially installed from an inner center of the dust collecting box 110; A first dust collecting means provided inside the dust collecting tube 110 and primarily filtering foreign matter in the air flowing from the side; It is provided inside the dust collecting pipe 120, and has a configuration including a second dust collecting means for secondary filtering the foreign matter in the air. In addition, an exhaust passage 140 for guiding the discharge of the air filtered by the foreign matter through the second dust collecting means is further formed on the inner upper end of the dust collecting container 110, and the second dust collecting means is the dust collecting pipe 120. Conical small cyclone 160 is formed therein. 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, cyclone, upper exhaust, lower cover

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 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.

5 is a cross-sectional view taken along the line AA ′ of FIG. 4.

Figure 6 is a cross-sectional view showing a state in which the bottom cover is opened constituting a preferred embodiment of the vacuum cleaner dust collection assembly according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Dust collection assembly 110. Dust collection

112. Suction guide 115. Separator

120. Dust collector 130. Handle

140. Exhaust passage 142. Outlet

144. Discharge guide 150. Dust filter

152. Aeration 160. Small Cyclone                 

162. Air Information Section 164. Air Vents

166. Discharge guide tube 170. Bottom cover

180. Hinge Mechanism 190. Fasteners

200. Cover opening and closing means

The present invention relates to a vacuum cleaner, and more particularly, a first dust collecting means and a second dust collecting means for filtering the foreign matter in the air to be sucked, and the filtered air dust collecting assembly of the vacuum cleaner discharged upwards It is about.

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 by the dust collecting container 10 from the sucked air. 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 the suction connection part 3c is tangential along the inner wall of the dust collecting container 10. Suction guide 12 for guiding to flow in the direction is formed, the hole 13a is formed to separate the large dust contained in the air introduced through the suction guide 12 therein The plate 13 is assembled, and a handle 15 is formed on the other outer wall of the suction guide part 12 to facilitate attachment and detachment from the main body 1.

In the exhaust passage 11 configured to open and close the upper part of the dust collecting container 10 configured as described above, a discharge port 11a is formed at the center thereof, and a dust filter 14 is formed at the bottom edge 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 wrinkles 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.

When the 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 made smoothly. 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 provide a dust collecting assembly of a vacuum cleaner having a double dust collecting means for filtering foreign matter in the air.

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

Still another object of the present invention is to provide a dust collecting assembly of a vacuum cleaner, in which the second dust collecting means is provided radially inside 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 bottom cover for opening and closing the bottom of the dust collecting container; A plurality of dust collecting pipes radially installed from an inner center of the dust collecting container; A first dust collecting means provided inside the dust collecting container and primarily filtering foreign matter in the air flowing in from the side; It is characterized in that it has a configuration including a second dust collecting means provided in the inside of the dust collecting pipe to filter the foreign matter in the air secondary.

An exhaust passage for guiding the discharge of the air filtered by the foreign matter through the second dust collecting means is further formed on the inner upper end of the dust collecting container.

The second dust collecting means has a configuration including a small cyclone formed inside the dust collecting tube, wherein the small cyclone has a conical shape that gradually decreases in diameter downward.

Inside the small cyclone is characterized in that the discharge guide tube for guiding the air filtered by the second dust collecting means upward.

An upper portion of the small cyclone is characterized in that the air guide portion for guiding the air flowing into the small cyclone through the first dust collecting means to rotate in a spiral direction.

The first dust collecting means has a configuration including a cylindrical dust filter for filtering foreign matter in the air introduced from the outside.

The dust filter is characterized in that each formed between the plurality of dust collecting tubes.

The dust filter is characterized in that a plurality of air vents through which the air penetrates to a predetermined size.

The bottom cover may be detachably mounted to a lower end of the dust collecting container by a cover opening and closing means.

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 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 shows a perspective view of a vacuum cleaner dust collecting assembly according to the present invention, and FIG. 4 shows a cross-sectional view of the inside 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).

Inside the dust collecting container 110 is formed a separating plate 115 for partitioning the inner space up and down. That is, the separating plate 115 having an outer diameter corresponding to the inner surface of the dust collecting container 110 is provided in the inner upper half of the dust collecting container 110 to partition the upper and lower spaces. Therefore, the exhaust passage 140 to be described below is formed on the upper side of the separating plate 115, the first dust collecting means and the second dust collecting means to be described below are provided respectively.

A cylindrical dust collecting tube 120 is formed below the separating plate 115. That is, the cylindrical dust collecting tube 120 having a diameter relatively smaller than the inner diameter of the dust collecting container 110 is formed in a predetermined size up and down, thereby forming a predetermined space in which the second dust collecting means will be described below.

A plurality of dust collecting pipes 120 are formed at a predetermined distance radially from the center of the dust collecting tube 110, the upper portion is shielded by the separating plate 115, the lower portion is opened to be described below the cover ( Optional shielding).

A handle 130 is formed on an outer circumferential surface of the left side (in FIGS. 3 and 4) of the dust collecting container 110. The handle 130 has a predetermined size and is formed up and down to facilitate mounting of the user.

An exhaust passage 140 is formed above the separation plate 115. That is, since the separating plate 115 is provided at a position spaced apart from the upper surface of the dust collecting chamber 110 by a predetermined distance, the exhaust passage 140 is disposed between the separating plate 115 and the upper surface of the dust collecting container 110. Is formed. Therefore, the air discharged through each discharge guide tube 166 to be described below by the exhaust passage 140 is joined and discharged upward.

The discharge port 142 having a predetermined diameter is formed to penetrate up and down on the upper surface of the dust collecting tube 110. The discharge port 142 is a path through which the air in the exhaust passage 140 flows upward, and the edge of the discharge port 142 extends upward to form the discharge guide 144. Therefore, the air filtered by the foreign matter from the dust collection assembly 100 is guided by the discharge guide 144 flows into the vacuum cleaner body (not shown).

The lower part of the separating plate 115 is provided with a first dust collecting means for primarily filtering foreign matter in the air flowing from the side through the suction guide 112, the first dust collecting means dust filter 150 It consists of.

The dust filter 150 is formed between the plurality of dust collecting pipes 120 to filter the air sucked from the outside, the upper end of the dust filter 150 is integrally formed on the bottom surface of the separation plate 115 And the bottom is in contact with the cover 170 to be described below.

A plurality of vent holes 152 are formed through the dust filter 150. The vent 152 is formed to have a diameter of a predetermined size to filter out a relatively large foreign material in the air sucked from the outside. That is, the air flows inwardly through the vent hole 152, and the foreign matter does not pass through the vent hole 152 and falls downward to accumulate on the upper surface of the cover 170 to be described below.

A second dust collecting means is provided inside the dust collecting pipe 120, and the second dust collecting means is constituted by a funnel-shaped small cyclone 160. That is, the small cyclone 160 has a conical shape gradually decreasing in diameter downward, and the upper end is integrally formed with the dust collecting tube 120.

An air guide 162 is formed on the upper side of the small cyclone 160 to guide the flow of air. That is, the upper end of the dust collecting pipe 120 is formed with an air through-hole 164 through which the air and the fine foreign matter passing through the dust filter 150, the air guide 162 is formed from the air through-hole 164 It extends inwardly.

The air guide unit 162 guides the air and the fine foreign matter introduced into the dust collecting tube 120 through the air through hole 164 to flow in the spiral direction within the small cyclone 160. Therefore, the air guide 162 is preferably formed to be round along the tangential direction of the dust collecting pipe 120.

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, and is formed from the central portion of the small cyclone 160 to the separation plate 115. That is, an upper end of the discharge guide tube 166 is installed to penetrate through the separation plate 115, and a lower end thereof is positioned at the center of the small cyclone 160. The discharge guide tube 166 communicates with the exhaust passage 140.

The discharge guide tube 166 serves to guide the downward air 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 166 and discharged to the exhaust passage 140.

The lower part of the dust collecting tube 110 and the dust collecting tube 120 is opened, and the bottom cover 170 of the dust collecting tube 110 and the dust collecting tube 120 opens and closes. And the lower cover 170 is detachably installed at the lower end of the dust collecting container 110, the cover is opened and closed selectively by the cover opening and closing means 200 to be described below, foreign matter inside the dust collecting container 110 outside To be discharged.

Both ends of the bottom cover 170 and the dust collecting container 110 are provided with a cover opening and closing means 200 consisting of a hinge mechanism 180 and a fastening mechanism 190. That is, the hinge mechanism 180 is formed at the left end (in FIG. 4) of the lower cover 170 corresponding to the lower portion of the handle 130, and the fastening mechanism 190 is formed at the opposite side.

The hinge mechanism 180 is pivotally rotatable to the hinge shaft 182 which is the pivot center of the lower cover 170, the shaft support 184 supporting the hinge shaft 182, and the hinge shaft 182. It consists of a hinge hanger (186) to be walked.

The shaft support 184 is formed to protrude laterally from the outer circumferential surface of the dust collector 110, both ends of the hinge shaft 182 protrudes before and after (in Figure 4) of the shaft support 184. The hinge shaft 182 is preferably made of a thin cylindrical, the hinge hanger 186 is hanged on the upper surface of the hinge shaft 182. The hinge hanger 186 is integrally formed from the bottom cover 170, and the bottom hanger is recessed so that the hinge hanger 186 is engaged with the hinge shaft 182.

The fastening mechanism 190 includes a locking protrusion 192 formed at a right end (in FIG. 4) of the bottom cover 170, a locking ring 194 that is engaged with the locking protrusion 192, and the locking ring ( It is composed of a support (196) for supporting the 194.

As shown, the support 196 is formed to protrude laterally at the lower end of the dust collecting container 110, it is made of a pair. And the support 196 and the engaging ring 194 is rotatably coupled by the central axis (198). That is, the central axis 198 across the pair of supports 196 is installed through the central portion of the hook 194.

The hook ring 194 is divided into a button portion 194 'and a ring portion 194 "as shown. That is, the button portion 194' is formed on the upper side of the central axis 198 provided at the center portion. It is formed, the lower portion is formed ring portion 194 ".

And the hook 194 has a '<' shape of the top and bottom slightly curved to the right. That is, the button portion 194 'and the ring portion 194 "are symmetrically inclined to each other at a predetermined angle with respect to the vertical line with respect to the center portion. Therefore, the button portion 194' is positioned to the left side (Fig. 4). When pressed with), the hook ring 194 rotates the central axis 198 about the axis, so that the ring portion 194 "moves to the right side.

On the other hand, the compression spring (S) is installed on the left side (in Figure 4) of the catch ring 194. That is, a compression spring S is embedded between the pair of supports 196, and this compression spring S moves back to the left side after the button portion 194 'of the locking ring 194 moves to the left side. To do that.

Hereinafter, the operation of the vacuum cleaner dust collection assembly having the above configuration will be described with reference to FIGS. 4 to 6.

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 and extends in the tangential direction of the dust collecting container 110, the air and the foreign material introduced through the suction guide 112 rotate in a spiral inside the dust collecting container 110. Passes through the dust filter 150 is introduced into the inside.

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 upward along the outer circumferential surface of the dust collecting pipe 120. Subsequently, it is introduced into the small cyclone 160.

Air and foreign matter introduced into the small cyclone 160 are guided along the air guide part 162 rounded in a tangential direction. 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 lowered in a spiral direction along the inner circumferential surface of the small cyclone 160, and the diameter of the small cyclone 160 gradually decreases downward so that the small cyclone 160 ) The speed of air and foreign material descending along the inner circumference increases gradually.

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, foreign matter in the air rotating along the inner circumferential surface of the small cyclone 160 is ejected to the lower cyclone 160 by the inertia force and gravity is accumulated on the inner bottom surface of the dust collector 110, the foreign matter is separated The compressed air moves upward along the discharge guide tube 166. That is, the foreign matter in the air is secondaryly filtered inside the small cyclone 160 as described above.

Air moving upward along the discharge guide tube 166 flows into the exhaust passage 140, and the air in the exhaust passage 140 flows upward and outward of the dust collecting assembly 100 through the discharge guide 144. Discharged.

On the other hand, in order to remove the dust accumulated on the upper surface of the lower cover 170, the lower cover 170 must be opened, and the operation state at this time will be described with reference to FIGS. 4 and 6.

First, when the user applies a force to the left side of the button portion 194 ', which is the upper end of the hook 194, while the bottom cover 170 is fastened as shown in FIG. 4, the hook 194 is the center. Rotation about the axis 198 causes the ring portion 194 "to push out to the right.

In this case, the hook portion 194 "is out of the locking protrusion 192 of the lower cover 170, and the right end of the lower cover 170 is lowered. That is, the lower cover 170 The right end is moved downward by rotating the hinge mechanism 180 of the left end in such a manner that when the lower cover 170 is opened, the upper end of the lower cover 170 is shown in FIG. The accumulated dust d will fall downward.

After the lower cover 170 is opened as described above, when the user removes the force applied to the button portion 194 ', the button portion 194' is right by the compression spring S force on the left side. You will be pushed back to your room to restore it.

Then, after the lower cover 170 is opened downward with respect to the hinge mechanism 180 of the left end, the lower cover 170 is completely removed. That is, when the lower portion of the cover 170 is lifted upward and then moved to the side, the hinge hanger 186 is out of the hinge shaft 182 so that the cover 170 is completely removed from the dust collecting container 110. .

As described above, when the lower cover 170 is opened, the user may wash the lower cover 170 by using a brush or the like, or by cleaning the water, and the inside of the dust collecting container 110 may be cleaned.

Next, in order to fasten the lower cover 170, the hinge hanger 186 is first seated on the hinge shaft 182 to fasten the left end, and then the right end of the lower cover 170 is lifted to collect the dust collector 110. To the right end of the At this time, the locking protrusion 192 is in contact with the bottom surface of the hook portion 194 "of the hook ring 194, the bottom of the ring portion 194" is formed to be inclined so that the force stronger than the compression force of the compression spring (S) In this case, if the cover 170 is continuously pushed up, the locking protrusion 192 and the locking ring 194 are automatically engaged.

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 cover opening and closing means 200 for opening and closing the lower cover 170 is illustrated, but the configuration of the cover opening and closing means 200 may be variously changed.

In the vacuum cleaner dust collection assembly according to the present invention as described above, the dust collecting means for filtering the dust in the air is provided with a double inside the dust collector. Therefore, there is an advantage that the foreign matter in the air is effectively removed.

In addition, in the present invention, since the dust filter and the small cyclone serving as the dust collecting means are different from those of the conventional filter composed of a net filter or a pleated filter, clogging due to foreign substances generated in the conventional filter is prevented. Therefore, the vacuum cleaner can continuously maintain a uniform suction force.

In the present invention, the dust collecting tube in which the foreign matter filtered by the first dust collecting means and the dust collecting tube in which the foreign matter filtered by the second dust collecting means accumulates is simultaneously opened and closed by the bottom cover. Therefore, foreign matters accumulated in the inside of the bottom cover are removed at the same time, thereby improving work efficiency.

Claims (9)

A dust collector 110 forming an appearance; A bottom cover 170 for opening and closing the bottom of the dust collecting container 110; A plurality of dust collecting pipes 120 radially installed from an inner center of the dust collecting box 110; A first dust collecting means provided inside the dust collecting tube 110 and primarily filtering foreign matter in the air flowing from the side; The dust collecting assembly of the vacuum cleaner, characterized in that it is provided inside the dust collecting pipe (120), comprising a second dust collecting means for secondary filtering the foreign matter in the air. The dust collecting assembly of the vacuum cleaner of claim 1, wherein an exhaust passage (140) for guiding the discharge of the air filtered by the foreign matter through the second dust collecting means is further formed at the upper end of the dust collecting container (110). . According to claim 1, wherein the second dust collecting means has a configuration including a small cyclone 160 formed inside the dust collecting pipe 120, the small cyclone 160 is a conical shape that gradually decreases in diameter downward Dust collection assembly of the vacuum cleaner, characterized in that it has a. The dust collection assembly of claim 3, wherein a discharge guide tube (166) is provided inside the small cyclone (160) to guide the air filtered by the second dust collecting means upwardly. The air guide portion 162 is formed at the upper end of the small cyclone 160 to guide the air flowing into the small cyclone 160 through the first dust collecting means in a spiral direction. Dust collection assembly for vacuum cleaners. The dust collecting assembly of claim 1, wherein the first dust collecting means comprises a cylindrical dust filter (150) for filtering foreign matter from the air introduced from the outside. The dust collecting assembly of claim 6, wherein the dust filter (150) is formed between the plurality of dust collecting tubes (120), respectively. 8. The dust collecting assembly of claim 6 or 7, wherein the dust filter (150) has a plurality of vent holes (152) through which air passes. The dust collection assembly of claim 1, wherein the bottom cover (170) is detachably mounted to a lower end of the dust collecting container (110) by a cover opening / closing means (200).

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