KR20060034897A - A suction port assembly of vacuum cleaner - Google Patents

Abstract

A suction structure assembly for a vacuum cleaner is disclosed. The suction structure assembly of the vacuum cleaner according to the present invention comprises: a lower housing having a first suction hole and a second suction hole formed to be spaced apart from each other; a combination of the lower housing and the first suction hole and the second suction hole when combined with the lower housing; A flow path cover forming a connection passage; An upper cover coupled to the lower housing at an upper side of the flow path cover; And a split rib installed along the connection path and dividing the connection path.

Suction structure assembly, flow path cover, first inlet, second inlet, split rib, split

Description

Suction structure assembly of vacuum cleaner {A SUCTION PORT ASSEMBLY OF VACUUM CLEANER}

1 is a schematic view of a vacuum cleaner employing a suction assembly according to an embodiment of the present invention.

Figure 2 is an exploded perspective view of the suction assembly of Figure 1,

3 is a rear view of the suction assembly of FIG. 1, FIG.

4 is a plan view of the suction assembly of FIG.

5 is a view of a portion of the flow path cover cut to explain the installation method of the split rib of FIG.

FIG. 6 is a view of a portion of the flow channel cover cut away to explain another method of installing the split rib of FIG. 2;

<Description of Major Symbols in Drawing>

100..Vacuum cleaner 110..Cleaning body

200. Suction assembly 210. Bottom housing

220. Euro cover 230. Top cover

211,212. 1st and 2nd inlet port 213 ..

216,217 .. First and second lower openings 231,232 .. First and second upper openings

300 .. Split rib 310 .. Air outlet

The present invention relates to a vacuum cleaner, and more particularly, to a suction structure assembly of a vacuum cleaner in which dirt on the surface to be cleaned is sucked.

Typically, a vacuum cleaner is a device that sucks dirt on the surface to be cleaned by using a suction force generated by driving a vacuum source built into the main body. Such a vacuum cleaner includes a vacuum cleaning body having a built-in motor generating a vacuum force, a suction structure facing the surface to be cleaned, an extension passage for guiding the dirt sucked from the suction structure to the vacuum cleaning body. do.

In general, the suction assembly has a suction port through which suction force is transmitted so as to suck dust. Therefore, while the suction portion is provided in the central portion is strong suction force, the suction force is lowered toward both sides. For this reason, although the cleaning efficiency is good in the center part provided with the suction port, the cleaning efficiency in both sides will fall.

In order to solve this problem, a method of forming two inlets, as disclosed in U.S. Patent Daewoo Electronics (US6,532,622) on both sides of the suction port assembly. However, when two suction ports are formed on both sides of the suction assembly, dust collecting air introduced from the two suction ports is collected at the same time in the extension pipe connector, so that the noise is generated due to the increase of the flow rate and the vortices generated during the collision. there was.

The present invention has been made to solve the above problems, it is an object of the present invention to provide a suction structure assembly of the vacuum cleaner while the suction force is uniformly transmitted, the noise is reduced.

In order to achieve the above object, the suction structure assembly of the vacuum cleaner according to the present invention includes: a lower housing having a first suction port and a second suction hole formed to be spaced apart from each other; A flow channel cover coupled to the lower housing and forming a connection passage between the first suction port and the second suction port when combined with the lower housing; An upper cover coupled to the lower housing at an upper side of the flow path cover; And split ribs connected to the connection paths and installed along the connection paths.

Here, the lower housing is formed with first and second lower openings, and the upper cover is formed with a first upper opening and a second upper opening, and the split rib bisects the first suction opening and the second suction opening. It is preferable to be installed along the center line of the connection passage.

The split rib is preferably an arcuate rib that is U-shaped in the longitudinal direction, has the highest height at the center, and decreases in height from side to side.

The split ribs may be installed to be in contact with the lower housing and the flow path cover, or may be installed to be spaced apart from the lower housing.

In addition, when the split rib is installed to be spaced apart from the lower housing, it is preferable that an air discharge hole is formed in the center portion.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to Figure 1, the vacuum cleaner 100 according to an embodiment of the present invention is a cleaning main body 110 with a vacuum source (not shown), the vacuum surface generated by the vacuum source (not shown) of the surface to be cleaned Suction assembly 200 for sucking dirt, connected to the suction assembly 200 and includes an extension passage 120 for guiding the dirt sucked from the suction assembly 200 to the cleaning base 110. Extension passage 120 is an extension pipe connector 126 rotatably connected to the suction assembly 200, an extension pipe 124 connected to the extension pipe connector 126, one end is connected to the extension pipe 124 and the other end is the cleaner It includes a suction hose 122 connected to the main body 110. Reference numeral 126a, which has not been described, denotes the suction structural inlet.

2 and 3, the suction assembly 200 includes a lower housing 210, a flow channel cover 220, an upper cover 230, and a split rib 300.

In the lower housing 210, the first suction port 211 and the second suction port 212 for suctioning the dirt on the surface to be cleaned are formed to be spaced apart from each other.

The first suction opening 211 is formed at the bottom of the lower housing 210 by a predetermined distance to the right side from the separation wall 213, and the second suction opening 212 is spaced a predetermined distance to the left from the separation wall 213. It is formed on the bottom surface of the lower housing 210.

Due to the first suction port 211 and the second suction port 212, the suction force is uniformly transmitted to the central portion M and both side portions S of the suction structure assembly 200, and toward the central portion M in the direction of the arrow Q1. The dust collecting air flowing in and the dust collecting air flowing into both sides S of the suction assembly 200 in the directions of arrows Q2 and Q3 may smoothly flow into the suction assembly 200. As a result, not only can the side S be cleaned more efficiently than the existing suction structure assembly in which one suction port is formed in the central portion M, but the cleaning efficiency of the central portion M can be improved. The surface to be cleaned of the area can be cleaned. In the present embodiment, the first suction opening 211 and the second suction opening 212 may have a rectangular shape, but various modifications such as an ellipse and a triangle may be possible.

Meanwhile, in order to further increase the cleaning efficiency, the first and second lower openings 216 and 217 and the first and second dust moving channels 214 and 215 are formed in the lower housing 210, and the first and second upper openings are formed in the upper cover 230. (231,232) can be formed.

The first lower opening 216 is closer to the right side of the separating wall 213 and is formed on the bottom surface of the lower housing 210, and the second lower opening 217 is closer to the left side of the separating wall 213. It is formed on the bottom surface of the lower housing 210.

In addition, the first lower opening 216 and the second lower opening 217 are illustrated as being rectangular in shape, but may be modified in various shapes such as an ellipse and a triangle, and the first suction opening 211 and the first suction opening 211 are formed. It may be variously changed in consideration of the position of the second inlet (212).

The first dust moving channel 214 extends to the right side 210b of the lower housing 210 while passing through the first lower opening 216 and the first suction opening 211 to the right side of the separation wall 213. It is a passage formed on the bottom surface of the 210, the second dust movement channel 215 passes through the second lower opening 217 and the second suction opening 212 to the left side of the separation wall 213, the lower housing ( It is a passage formed in the bottom surface of the lower housing 210 that extends to the left side 210c of the 210.

By the configuration as described above, arrows F3, through the inside of the intake unit assembly 200 (refer to FIG. 1) in which external air introduced into the first upper opening and the second upper opening 231 in the directions of arrows F1 and F2 are sealed. It is guided to the bottom surface of the lower housing 210 through the first lower opening 216 and the second lower opening 217 in the F4 direction.

The induced outside air scatters dust accumulated between the first dust moving channel 214 and the second dust moving channel 215, and the dust collecting dust containing the scattered dust moves to the first dust moving channel in the directions of arrows F3 and F4. The first suction port 211 and the second suction port 212 may be sucked along the 214 and the second dust movement channel 215. Therefore, dust accumulated in the first dust movement channel 214 and the second dust movement channel 215 can also be easily sucked, thereby further improving the cleaning efficiency.

2 and 4, the flow path cover 220 is coupled to the lower housing 210 to form a connection passage 221 between the first suction opening 211 and the second suction opening 212.

That is, the upper wall and the left and right walls of the connection passage 221 are formed by the flow channel cover 220, and the bottom of the connection passage 221 is formed by the lower housing 210.

The flow path cover 220 has an arcuate cross section perpendicular to the flow direction of the sucked air, and has a U-shaped shape that is bent in the longitudinal direction when viewed from the arrow X1 direction. At this time, the height of the flow path cover 220 has the highest height H1 in the center, the height is lowered toward the left and right.

In addition, the material of the flow channel cover 220 is preferably formed of a transparent material so as to observe the flow of the dirt sucked from the outside to check the jam.

2, 4 and 5, the split rib 300 is installed in the connection passage 221.

The split rib 300 is a U-shaped shape having the same shape as the connecting passage 221 in the longitudinal direction when viewed in the direction of arrow X2, having a maximum height H2 in the center, and a height of the arch rib that decreases in height from side to side. The air outlet 310 is formed at the center of the split rib 300.

In addition, the height change of the split rib 300 is variable according to the height change of the flow path cover 220. This is because the split ribs 300 are in contact with the flow path cover 220 to form the first flow path A, the second flow path B, the third flow path C, and the fourth flow path D in a closed manner. to be.

The split rib 300 is installed along the connection passage 221 and divides the first suction opening 211, the second suction opening 212, and the connection passage 221.

In more detail, the split rib 300 is installed along the center line CL of the connection passage 221 and bisects the connection passage 221 into the first connection passage 221a and the second connection passage 221b. The first suction port 211 is divided into a first splitting hole 211a and a second splitting hole 211b, and the second suction opening 212 is divided into a third splitting hole 212a and a fourth splitting hole 212b. Divide into Due to the split rib 300, the first flow path A, the second flow path B, the third flow path C, and the fourth flow path D are formed.

Referring to FIGS. 3 and 4, the first flow path A may include a first split port 211a of the first suction port 211 divided by the split rib 300 and a center line of the connection passage 221. The first flow passage 221a divided by the split ribs 300 installed along the air outlet port formed in the center of the split ribs 300 and the inlet flow passage to the extension pipe connector inlet 126a.

The second flow path B is formed by the split rib 300 provided along the center line of the second split port 211b of the first suction port 211 divided by the split rib 300 and the connection passage 221. The suction passage to the divided second connection passage 221b and the extension pipe connector inlet 126a.

The third flow path C is formed by the split ribs 212a of the second suction holes 212 divided by the split ribs 300 and the split ribs 300 provided along the center line of the connection passage 221. It refers to the divided first connection passage 221a, the air outlet 310 formed in the center of the split rib 300, and the inlet flow passage to the extension pipe connector inlet 126a.

The fourth flow path D is formed by the split rib 300 provided along the center line of the fourth split port 212b of the second suction port 212 divided by the split rib 300 and the connection passage 221. The suction flow path indicated by the arrow D to the divided second connection passage 221b and the extension pipe connector inlet 126a.

The air outlet 310 is a hole for collecting dust introduced into the first flow path A and the third flow path C to enter the extension pipe connector 126a through the split rib 300. The shape of this hole can be configured in a variety of squares, circles, etc. in addition to the arch like this embodiment.

Due to the first, second, third and fourth flow paths A, B, C, and D, the dust collecting air introduced into the first and second intake openings 211 and 212 is equally divided into four, and thus the first and second intake openings ( The dust collecting air flowing into 211, 212 is prevented from gathering at the same time into the extension tube connector inlet 126a.

In addition, due to the first, second, third and fourth flow paths A, B, C, and D, dust collecting air introduced into the first and second suction openings 211 and 212 may be sequentially collected into the extension pipe connector inlet 126a.

That is, the dust collecting air entering the first flow path A and the third flow path C is guided by the front surface 300a (see FIG. 5) of the split rib 300, and passes through the air discharge port 310 and then extends. The dust collecting air collected at the connector inlet 126a and entering the second flow path B and the fourth flow path D is guided by the rear surface 300b of the split rib 300 (refer to FIG. 6), and the extension pipe connector entrance. To 126a.

At this time, the movement distance of the dust collecting air entering the first passage A and the third passage C is the movement of the dust collecting air entering the second passage B and the fourth passage D as shown in FIG. It will be longer than the distance. In addition, since the dust collecting air entering the first flow path A and the third flow path C must pass through the air discharge port 310, the dust collection air is relatively relatively passed through the second flow path B and the fourth flow path D. The transfer resistance becomes large.

Therefore, due to the difference in the moving distance and the movement resistance, the dust collecting air entering the first passage A and the third passage C has a higher density than the dust collecting air entering the second passage B and the fourth passage D. Lately, the extension tube connector inlet 126a is gathered, so that the dust collecting air passing through the first inlet 211 and the second inlet 212 at the same time is prevented from gathering the extension tube connector inlet 126a at once.

Hereinafter, a method of installing the split ribs 300 for forming the first flow path A, the second flow path B, the third flow path C, and the fourth flow path D will be described below.

First, the split rib 300 is brought into contact with the bottom 210a of the lower housing 210 and the top wall 220a of the flow channel cover 220, as shown in FIG. 5, while the bottom 210a or flow path of the lower housing 210 is in contact with each other. The upper wall 220a of the cover 220 can be installed by adhesive or welding. Of course, the split rib 300 may be manufactured by integrally molding the lower housing 210 or the flow channel cover 220.

When the split rib 300 is installed in contact with the bottom 210a of the lower housing 210 and the upper wall 220a of the flow path cover 220, the first flow path A and the second flow path B are as described above. And the third passage C and the fourth passage D are closed. That is, the dust collecting air entering each passage can flow only through the predetermined passage.

Next, the split rib 300 is spaced apart from the lower housing 210 as shown in FIG. 6, and may be installed on the upper wall 220a of the flow path cover 220 by adhesive or welding. Of course, the split rib 300 may be manufactured by integrally molding the flow channel cover 220. At this time, the lower housing 210 and the spacing L1 is preferably at least 10mm.

The reason for the spacing is as follows: the first suction opening 211 narrowed down by being divided into the first division opening 211a and the second division opening 211b, the third division opening 212a and the fourth division opening 212b. This is to prevent dust entering the second suction port 212 narrowed by being blocked by the first suction port 211 and the second suction port 212.

In addition, when the dust collecting air passing through the first split hole (211a) and the third split hole (212a) flows into the first flow path (A) and the third flow path (C), due to this spacing, the split rib 300 It is possible to enter the extension tube connector inlet 126a without passing through the air outlet 310 formed in the (). Therefore, in this case, there is no need for the air outlet 310.

Referring to FIG. 2, the upper cover 230 is coupled to the lower housing 210 at an upper side of the flow path cover 220 to form a closed space inside the suction structure assembly 200, and to the upper cover 230. The first upper opening 231 and the second upper opening 232 are formed to penetrate the outside air.

The outside air introduced into the first upper opening 231 and the second upper opening 232 may escape to the first and second lower openings 216 and 217 through FIG. 3.

In addition, the upper cover 230 is formed with a cutout 214 cut into a shape corresponding to the shape of the flow path cover 220 so that the flow path cover 220 can be exposed to the outside of the suction structure assembly 200. The flow path cover 220 is exposed to the outside through the portion 214.

In the present embodiment, the first and second upper openings 231 and 232 are formed in a slit shape, but in addition to the shape, a plurality of holes may be formed through the air. It can also be configured to open only upon inflow.

Hereinafter, the operation of the vacuum cleaner 100 employing the suction structure assembly 200 according to the embodiment of the present invention will be described.

Referring to FIG. 1, the suction force generated from the vacuum source (not shown) built in the cleaning main body 110 is transmitted to the suction structure assembly 200 through the suction hose 122, the extension pipe 124, and the extension pipe connector 126. do.

Referring to FIG. 4, the suction force transmitted to the suction assembly 200 may be divided into first and second split holes 211a and 211b through the first and second flow paths A and B. And the second suction port 212 divided into third and fourth split holes 212a and 212b through the third and fourth flow paths C and D.                     

By the suction force transmitted in this way, the dust collecting air flowing into the central portion (M) of the suction assembly 200 in the direction of the arrow Q1, and the dust collecting air flowing into both sides (S) of the suction structure 200 in the direction of the arrow Q2, Q3. 4 is divided into first and second split holes 211a and 211b of the first suction port 211 and third and fourth split holes 212a and 212b of the second suction port 212.

3 and 4, the suction force transmitted to the first suction port 211 and the second suction hole 212 is along the first dust movement channel 214 and the second dust movement channel 215. It is transmitted to the lower opening 216 and the second lower opening 217, respectively.

The suction force transmitted to the first lower opening 216 and the second lower opening 217 is controlled by the first and second upper openings through an inner sealed space formed by the combination of the upper cover 230 and the lower housing 210. 231,232). Due to the suction force transmitted in this way, the outside air flows through the first upper opening 231 and the second upper opening 232 in the directions of arrows F1 and F2.

In addition, the air introduced through the first upper opening 231 and the second upper opening 232 passes through an inner sealed space formed by the coupling of the upper cover 230 and the lower housing 210 to open the first lower opening. Passing through the 216 and the second lower opening 217, it collides with the bottom of the surface to be cleaned to scatter dust accumulated in the first dust moving channel 214 and the second dust moving channel 215.

The dust collecting dust including the scattered dust passes through the first and second dust moving channels 214 and 215 in the directions of arrows F3 and F4, and then the first and second split holes 211a and 211b and the second suction port 211. The water is divided into four parts into the third and fourth split holes 212a and 212b of the suction port 212.

As described above, the dust collecting air flowing in the directions Q1, Q2, Q3, F3, and F4 passes through the first, second, third and fourth flow paths A, B, C, and D, and then the extension pipe connector inlet 126a. ) Will be collected sequentially. The description of the first, second, third and fourth euros (A, B, C, D) and the reason for sequential gathering are omitted since they are described above.

Therefore, as the conventional dust is gathered at the same time the narrow extension tube connector inlet (126a) at the same time, the flow rate is increased, the collision with each other is suppressed to generate the vortex, thereby suppressing the noise generated thereby.

According to the specific experimental data, the presence of the split ribs 300 reduces the overall noise by 2.48 dB (A) from 74.5 dB (A) to 72.02 dB (A) compared to the case without the split ribs 300. Therefore, the case where the split rib 300 is installed and the suction flow path of the dust collecting air is divided into the first, second, third, and fourth flow paths A, B, C, and D is compared with the case where the split rib 300 is not provided. It can be seen that the effect of reducing noise is great.

Referring to FIG. 1, the dust collecting air is then moved to the cleaning main body 110 through the extension pipe connector 126, the extension pipe 124, and the suction hose 122, and the dust is collected, and the purified air separated from the dust is moved to the outside. Discharged.

According to the embodiment of the suction structure assembly of the vacuum cleaner as described above,

First, the suction force is uniformly transmitted to the center and both sides of the suction structure due to the first suction port and the second suction port formed to be spaced apart from each other to increase the dust collection efficiency.

Second, the suction rib of the dust collecting air is divided into 1st, 2nd, 3rd, and 4th flow paths by the split ribs to prevent dust collection at the same time from the extension pipe connector. The generation of vortex is prevented and the noise generated by this is suppressed to create a quiet cleaning environment.

While the invention has been shown and described with respect to preferred embodiments for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described. Rather, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (6)

A lower housing having a first suction hole and a second suction hole formed to be spaced apart from each other; A flow channel cover coupled to the lower housing and forming a connection passage between the first suction port and the second suction port when combined with the lower housing; An upper cover coupled to the lower housing at an upper side of the flow path cover; And Splitting the connecting passage, the split ribs are installed along the connecting passage; suction structure assembly of the vacuum cleaner comprising a. The method of claim 1, The lower housing is formed with first and second lower openings, The upper cover is formed with a first upper opening and a second upper opening, The split rib, Dividing the first intake port and the second intake port, The suction structure assembly of the vacuum cleaner, characterized in that installed along the center line of the connecting passage. The method of claim 2, wherein the split rib, U-shaped in the longitudinal direction, having the highest height in the center and the suction structure assembly of the vacuum cleaner, characterized in that the arc-shaped rib is lowered toward the left and right. The said split rib of any one of Claims 1-3, The suction structure assembly of the vacuum cleaner, characterized in that it is installed in contact with the lower housing and the flow path cover. The said split rib of any one of Claims 1-3, Suction structure assembly of the vacuum cleaner, characterized in that spaced apart from the lower housing. The method of claim 5, wherein the split rib, The suction structure assembly of the vacuum cleaner, characterized in that the air discharge hole is formed in the center.

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