KR20100024775A - Vacuum cleaner - Google Patents

Abstract

PURPOSE: A vacuum cleaner is provided to extend a repair and maintenance period of a filter member by increasing a surface area and forming a plurality of protrusion parts on one or more side of the filter member. CONSTITUTION: A vacuum cleaner comprises a main body, a suction motor, a dust collecting chamber, a suction nozzle and a filter member(30). A plurality of air holes is formed inside the filter member. The filter member is made with a porous material. A plurality of protrusion parts(31) is formed on one or more filter members. The protrusions have different height and curvatures.

Description

Vacuum cleaner {Vacuum cleaner}

The present invention relates to a vacuum cleaner, and more particularly to a vacuum cleaner having a filter for filtering dust contained in the suction air.

In general, the vacuum cleaner uses the suction power generated at the suction port by the suction motor to inhale dust and various foreign substances present on the surface to be cleaned together with the air, and separates and collects the dust and foreign substances contained in the suction air by dust collection means. Has

The dust bag is widely used as a dust collecting means, and when the dust bag is filled with consumables, the dust bag is separated from the vacuum cleaner and disposed of together with the foreign matter. Nowadays, a number of cyclone-type filters that can be reused semi-permanently instead of a single-use dust bag have been developed, and these filters are separated from the vacuum cleaner body when they are filled, cleaned, and then mounted on the vacuum cleaner body to collect foreign materials. .

In addition, a conventional vacuum cleaner is provided with various types of filters for removing fine dust by secondary filtering the first filtered air through the dust collecting means. This, in addition to lowering the failure rate of the suction motor due to fine dust, serves to prevent in advance adversely affecting the human respiratory system when the air containing the fine dust is exhausted to the outside of the vacuum cleaner. As such, the filter installed in the vacuum cleaner has been continuously developed to this day.

An object of the present invention is to provide a vacuum cleaner having a filter member having a large surface area and a high air permeability.

In order to achieve the above object, the present invention provides a vacuum cleaner main body; A suction motor mounted to the vacuum cleaner main body; A dust collecting chamber formed in the vacuum cleaner body; A suction nozzle in communication with the dust chamber; And a filter member mounted on the vacuum cleaner body, wherein the filter member is a porous material having a plurality of air holes therein, and at least one surface of the filter member has a plurality of protrusions to form different bent heights. It provides a vacuum cleaner having a.

The plurality of protrusions may be continuously formed on both surfaces of the filter member.

The filter member may be made of any one of polyurethane foam, polyethylene foam, and polystyrene foam. In this case, the polyurethane foam is preferably an ether (ether) or ester (ester) series.

The filter member may be installed between the motor chamber in which the suction motor of the vacuum cleaner body is mounted and the dust collecting chamber, or inside the dust collecting chamber.

The number of air holes (PPI) per unit area of the filter member is preferably 20 ppi to 120 ppi.

It further includes a support frame for supporting the filter member, the filter member may be formed integrally with the support frame, of course.

The present invention may further include at least one auxiliary filter coupled to the filter member. In this case, the filter member is preferably fused or bonded with the auxiliary filter or coupled using a connection member.

The protruding portion of the filter member may be composed of a hexahedron having an upper surface and four side surfaces, and in this case, at least two side surfaces of the four side surfaces may preferably be inclined surfaces.

At least one surface of the filter member may include a portion formed at irregular intervals and a portion formed at equal intervals.

At least one surface of the filter member may have a plurality of non-uniform shapes of the protrusions.

In addition, the present invention, the vacuum cleaner main body; A suction motor mounted on the vacuum cleaner main body; a cyclone dust collector installed on the vacuum cleaner main body; A suction nozzle in communication with the dust chamber; And a filter member mounted inside the cyclone dust collector, wherein the filter member is a porous material having a plurality of air holes therein, and at least one surface of the filter member is formed such that a plurality of bends having different heights are formed. The above object can be achieved by providing a vacuum cleaner comprising: two projections.

In this case, the cyclone dust collecting apparatus may further include a grill member, and the filter member may be provided inside the grill member.

Of course, the plurality of protrusions may be continuously formed on both surfaces of the filter member.

The filter member may be made of any one of polyurethane foam, polyethylene foam, and polystyrene foam. In this case, the polyurethane foam is preferably an ether (ether) or ester (ester) series.

Of course, the present invention may further include at least one auxiliary filter coupled to the filter member, in which case the filter member may be fused or bonded with the auxiliary filter or may be coupled using a connection member.

In the present invention described above, it is possible to increase the interval of the maintenance period of the filter member, and there is an advantage that can improve the basic performance of the vacuum cleaner, such as lowering suction power, minimizing power consumption and minimizing noise.

Hereinafter, a vacuum cleaner having a filter according to various embodiments of the present disclosure will be described with reference to the accompanying drawings.

First, the configuration of the vacuum cleaner according to the first embodiment of the present invention will be described.

Referring to FIG. 1, the vacuum cleaner of the first embodiment includes a vacuum cleaner body 10, a suction nozzle 20, and a filter member 30.

The vacuum cleaner main body 10 includes a dust collecting chamber 13 in which a dust collecting bag 11 is installed at an inner front side, and a motor chamber 15 is provided at the rear of the dust collecting chamber 13. The motor chamber 15 is provided with a suction motor 17 for generating a suction force, the suction motor 17 is installed in the motor housing 19.

The suction nozzle 20 is for sucking dust existing on the surface to be cleaned by using the suction force generated by the suction motor 17. The vacuum cleaner main body 10 is housed through the extension pipe 21 and the hose 23. Communicating with the truth (13). In this case, a handle 25 is provided between the extension pipe 21 and the hose 23 for manipulating the movement of the suction nozzle 20.

The filter member 30 is mounted in the vacuum cleaner body 10. At this time, the mounting position of the filter member 30 may be installed at the front and rear of the motor chamber 15 at the same time, may be installed between the dust collection chamber 13 and the motor chamber 15, or may be installed only at the rear of the motor chamber 15. .

2A and 2B, the filter member 30 is provided with a plurality of protrusions 31 such that a bend is formed on one surface of the filter member 30 to increase the surface area. When the plurality of protrusions 31 are continuously formed on only one surface, the installation direction of the filter member 30 is a surface in which the plurality of protrusions 31 are formed so as to increase the contact area with the suction air. It is preferable to arrange | position in the direction opposite to. As such, the filter member 30 having the increased surface area through the plurality of protrusions 31 does not need to be cleaned more frequently than the general filter member having the protrusions 31, thereby increasing the interval between maintenance periods.

On the other hand, the filter member 30 is not only possible to form a plurality of protrusions 31 in the concave-convex shape limited to one surface, as shown in Figure 3, a plurality of protrusions 31 on both sides of the filter member 30 ) Can also be formed continuously.

In this case, the filter member 30 is a porous material formed with a plurality of air holes (not shown) in order to have a high air permeability, for example, polyurethane foam (Polyurethane foam), polyethylene (Polyethylene foam) and polystyrene foam (Polystyrene foam) ) Is made of any one material. At this time, when the filter member 30 is made of polyurethane foam, it is preferable to use a polyurethane foam of ether (ester) or ester (ester) series.

In addition, the filter member 30 preferably has a pore per inch (PPI: 20 ppi to 120 ppi) per unit area in order to maintain a high air permeability. This is a problem that the suction force is lowered when the PPI of the filter member 30 is less than 20 ppi, on the contrary, the filtering efficiency is lowered when the PPI of the filter member 30 is greater than 120 ppi.

The filter member 30 made of a porous material as described above can minimize the decrease in suction power generated by the filter member 30 due to the high air permeability and reduce the consumption of power consumption, as well as reduce the noise through the sound absorption function. Can be.

Referring to Figure 4, the plurality of protrusions 31 is composed of a cube having an upper surface 31a and four side surfaces 31b, 31c, 31d, 31e, in this case, the main portion between the plurality of protrusions 31 Four side surfaces 31b, 31c, 31d, and 31e are formed as inclined surfaces so as to easily shake off the dust caught in the back. At this time, in order to easily shake off the dust caught on the filter member 30 and at the same time minimize the reduction of the surface area of the filter member 30, at least two rather than forming all four side surfaces 31b, 31c, 31d, and 31e as inclined surfaces. It is preferable that the side surfaces of the dogs be inclined.

The plurality of protrusions 31 may have protrusions such as rectangular protrusions 32a (see FIG. 5A), hemispherical protrusions 32b (see FIG. 5B), and rhombic protrusions 32C (see FIG. 5C). It is possible to form a regular pattern by spacing between 32e gradually wider, narrower, or at equal intervals. In addition, as shown in FIG. 8, the protrusions 32a, 32b, 32e, and 32f may be formed in an irregular random shape. Moreover, it is also possible to form a plurality of protrusions 31 to have a curved surface in the embossed shape.

Referring to FIG. 9, the filter member 30 may be fused or bonded to the side of the side in which the protrusion 31 is not formed in order to increase the filtering efficiency. In addition, referring to Figure 10, it is also possible to use a separate connection member 37, for example, by using the seal to tie the auxiliary filter 35 to the side of the filter member (30). In this case, a hepa filter for filtering fine dust may be used, but the present invention is not limited thereto, and various types of auxiliary filters 35 may be used according to the use environment of the filter member 30. As such, the filter member 30 laminated with the auxiliary filter 35 is disposed between the dust collecting chamber 13 and the motor chamber 15 as shown in FIG. 11, or as shown in FIG. 12, behind the motor chamber 15. It can be used to arrange. As such, when the filter member 30 is disposed at the rear of the motor chamber 15, the prefilter F may be installed in front of the motor chamber 15.

A configuration of the vacuum cleaner according to the second embodiment will be described with reference to FIGS. 13 to 14B.

Referring to FIG. 13, the vacuum cleaner according to the second embodiment includes a vacuum cleaner main body 110 having a suction motor (not shown) inside, and the vacuum cleaner main body 110 includes a filter in a portion protruding forward. The member 130 has a receiving portion 111 detachably mounted thereon. In this case, as a dust collector (not shown) for collecting dust is located above the filter member 130 mounted on the receiving portion 111, the filter member 130 is installed at the dust collector (not shown). And a suction motor (not shown).

Referring to FIG. 14A, the filter member 130 has a plurality of protrusions 131 formed on one surface thereof similarly to the filter member 30 of the first embodiment. In this case, the filter member 130 is used in a state of being inserted into the support frame 140 having a substantially case shape. The support frame 140 has a cover 141 which is coupled to be opened and closed at an upper side, and the cover 141 has a discharge hole for guiding suction air discharged from the dust collector (not shown) to the filter member 130 ( 143 is formed. In this case, the support frame 140 may be made of flexible polyurethane or silicone or plastic having a predetermined rigidity.

As such, the filter member 130 and the support frame 140 may be formed separately, but the present invention is not limited thereto. As shown in FIG. 14B, the filter member 130 and the support frame 140 may be integrally injection molded. Of course it is possible. In this case, since the filter member 130 and the support frame 140 are made of the same material, it is preferable that the filter member 130 and the support frame 140 are made of a porous material without reducing the filtering function.

Referring to Figure 15, a vacuum cleaner according to a third embodiment of the present invention is disclosed. The vacuum cleaner according to the third embodiment is provided with a cyclone unit 211 in the vacuum cleaner body 210 for collecting dust from the intake air through a cyclone method.

The cyclone portion 211 is located in front of the motor chamber 215, the filter member 230 corresponding to any one of the filter member according to the various examples described in the first embodiment is the cyclone portion 211 and the motor chamber ( 215). In this case, the filter member 230 blocks the inflow of the dust into the suction motor 217 by secondary filtering the air flowing into the suction motor 217 in the first filtered state by the cyclone unit 211. In this case, the filter member 230 may increase the area in contact with the suction air by arranging the plurality of protrusions 231 to face the cyclone portion 211. In FIG. 15, reference numeral 219 denotes a motor housing, and 223 denotes a hose.

Referring to FIG. 16, a vacuum cleaner according to a fourth embodiment of the present invention is disclosed. The fourth embodiment is similar in configuration to the third embodiment described above, except that the cyclone portion 311 is disposed between the extension pipe 321 and the hose 323 without being embedded in the vacuum cleaner body 310. In this case, the filter member 330 may be integrally installed on the cyclone portion 311 and disposed at various positions. That is, the filter member 330 may be disposed at the exhaust side of the cyclone portion 311 as shown in FIG. 17A, or may be disposed at the inner center of the cyclone portion 311 as shown in FIG. 17B. In this case, it is preferable that the cylindrical shape is made in consideration of the flow of intake air turning in the cyclone portion 311. In FIG. 16, reference numeral 315 denotes a motor compartment, 317 denotes a suction motor, 319 denotes a motor housing, 320 denotes a suction nozzle, and 325 denotes a handle.

As in the third and fourth embodiments, when the cyclone parts 211 and 311 are disposed in front of the motor chambers 215 and 315, the exhaust filter F may be installed behind the motor chambers 215 and 315, respectively.

Referring to FIG. 18, a dust collecting device mainly employed in an upright vacuum cleaner is disclosed, and a cylindrical filter member 430 may be applied to the dust collecting device.

The dust collector includes a cyclone part 411 and a dust container 417 disposed below it. In addition, the cyclone portion 411 is disposed in the center of the inlet pipe 412 through which air containing dust is introduced into one side, the discharge pipe 413 and the cyclone part 411 discharged in a filtered state from the cyclone part 411. A grill filter 415 is provided.

In this case, the grill filter 415 is provided with a cylindrical porous filter member 430 inside, wherein the filter member 430 has a plurality of protrusions 431 formed on the outer circumferential surface of the grill filter 415 It is arranged to face.

1 is a schematic view showing the inside of a vacuum cleaner according to a first embodiment of the present invention;

2A and 2B are enlarged perspective and side cross-sectional views showing protrusions protruding from one surface of the filter shown in FIG. 1, respectively;

3 is a plan view illustrating a protrusion protruding from one surface of the filter illustrated in FIG. 1;

4 to 10 is a side cross-sectional view showing various embodiments of the filter member applied to the present invention,

11 and 12 are schematic views respectively showing an example in which a vacuum cleaner is provided with a filter member in a laminated state shown in FIG. 9 or 10;

13 is a schematic view showing a vacuum cleaner according to a second embodiment of the present invention;

14A and 14B are perspective views showing separate and integral types of the filter member and the support frame shown in FIG. 13;

15 is a schematic view showing a vacuum cleaner showing a third embodiment of the present invention;

16 is a schematic view showing a vacuum cleaner showing a fourth embodiment of the present invention;

17A and 17B are schematic views each showing an example in which filter members are installed at respective positions of the cyclone portion shown in FIG. 16;

18 is a schematic view showing an example in which a filter member is installed in a grill filter of a dust collector installed in an upright cleaner.

* Explanation of Signs of Major Parts in Drawings *

10,110,210,310: vacuum cleaner main body

13: dust collection room

15,25,215,315: motor room

30,130,230,330,430: filter element

31,131,231,331,431: protrusions

211,311,411: cyclone part

Claims (20)

Vacuum cleaner main body; A suction motor mounted to the vacuum cleaner main body; A dust collecting chamber formed in the vacuum cleaner body; A suction nozzle in communication with the dust chamber; And, And a filter member mounted on the vacuum cleaner body. The filter member is a porous material having a plurality of air holes therein, and at least one side of the filter member is provided with a plurality of protrusions to form different bends and a vacuum cleaner. The vacuum cleaner as claimed in claim 1, wherein the plurality of protrusions are continuously formed on both surfaces of the filter member. The vacuum cleaner as claimed in claim 1 or 2, wherein the filter member is made of one of polyurethane foam, polyethylene foam, and polystyrene foam. The vacuum cleaner according to claim 3, wherein the polyurethane foam is an ether or an ester series. The vacuum cleaner according to claim 1, wherein the filter member is installed between the motor chamber in which the suction motor of the vacuum cleaner body is mounted and the dust collecting chamber, or inside the dust collecting chamber. The vacuum cleaner according to claim 1, wherein the number of air holes per unit area (PPI) of the filter member is 20 ppi to 120 ppi. The vacuum cleaner of claim 1, further comprising a support frame for supporting the filter member, wherein the filter member is integrally formed with the support frame. The vacuum cleaner of claim 1, further comprising at least one auxiliary filter coupled to the filter member. The vacuum cleaner of claim 8, wherein the filter member is bonded to the auxiliary filter or coupled using a connection member. The vacuum cleaner as claimed in claim 1, wherein the protrusion of the filter member comprises a hexahedron having an upper surface and four side surfaces. 11. A vacuum cleaner as claimed in claim 10, wherein at least two of the four sides are inclined surfaces. The vacuum cleaner as claimed in claim 1, wherein the at least one surface of the filter member includes a portion formed at equal intervals and a portion formed at irregular intervals. The vacuum cleaner as claimed in claim 1, wherein at least one surface of the filter member is nonuniform in shape. Vacuum cleaner main body; A suction motor mounted on the vacuum cleaner main body; a cyclone dust collector installed on the vacuum cleaner main body; A suction nozzle in communication with the dust chamber; And, And a filter member mounted inside the cyclone dust collector. The filter member is a porous material having a plurality of air holes therein, and at least one side of the filter member is provided with a plurality of protrusions to form different bends and a vacuum cleaner. The vacuum cleaner of claim 14, wherein the cyclone dust collector further comprises a grill member, and the filter member is provided inside the grill member. 15. The vacuum cleaner of claim 14, wherein the plurality of protrusions are formed continuously on both sides of the filter member. 17. The vacuum cleaner as claimed in any one of claims 14 to 16, wherein the filter member is made of any one of polyurethane foam, polyethylene foam, and polystyrene foam. . 18. The vacuum cleaner as claimed in claim 17, wherein the polyurethane foam is an ether or ester series. 15. The vacuum cleaner of claim 14, further comprising at least one auxiliary filter coupled to the filter member. 20. The vacuum cleaner as claimed in claim 19, wherein the filter member is bonded to the auxiliary filter or coupled using a connection member.

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