KR100737786B1 - inhalation nozzle for vacuum cleaner - Google Patents

Abstract

The present invention relates to a suction nozzle for a vacuum cleaner having a rubber blade moving forward and backward of the suction port, and which adds a cleaning capability at the time of reverse movement.

Description

Suction nozzle for vacuum cleaner {inhalation nozzle for vacuum cleaner}

1 is a side cross-sectional view showing a suction nozzle for a conventional vacuum cleaner.

Figure 2 is a side cross-sectional view showing a conventional suction nozzle for another vacuum cleaner.

Figure 3 is a bottom view showing a suction nozzle for a vacuum cleaner according to a preferred embodiment of the present invention.

Figure 4 is a side cross-sectional view showing an operating state of the suction nozzle for the vacuum cleaner of FIG.

5 is a perspective view showing the main part of the present invention;

<Explanation of symbols for the main parts of the drawings>

200: suction nozzle 202: suction port

208: wheels 210: case

220a, 220b: slot 230: flexible blade

240a, 240b: Guide bar 241a, 241b: Link

245a, 245b: roller (locking projection) 250: nonwoven fabric

Cited Reference 1: Korean Laid-Open Patent Publication No. 2004-0047365

Cited Reference 2: Korean Laid-Open Patent Publication No. 1995-0007780

The present invention relates to a suction nozzle for a vacuum cleaner having a rubber blade moving forward and backward of the suction port, and which adds a cleaning capability at the time of reverse movement.

The rubber blade of a conventional vacuum cleaner (or robot cleaner) is fixed to a case. Therefore, when pushing in the forward direction, the garbage sucked from the suction port and not yet sucked in falls behind or remains in front of the fixed rubber blade.

On the other hand, when reversing or pulling back, the remaining trays are pushed back by the fixed rubber blades and do not reach the inlet and are scattered around. In other words, when it is pulled back, the structure is irrelevant to the cleaning effect, but in theory, it becomes a structure where garbage cannot enter.

As a suction nozzle for a conventional vacuum cleaner for solving such troubles, for example, those disclosed in Korean Patent Laid-Open Publication No. 2004-0047365 and Korean Patent Publication No. 1995-007007780 have been proposed.

The suction nozzle for the vacuum cleaner of Korean Laid-Open Patent Publication No. 2004-0047365 is respectively formed before and after the suction port 102 so that air containing foreign matter is sucked into the bottom surface of the suction nozzle 100, and the air sucked into the suction port 102 is used. A rubber felt 130 is installed inside the casing 110 to guide the cleaner body 2, and both ends of the rubber felt 130 are provided with a squeeze 128 for collecting dust from the bottom surface. At the bottom of the casing 110 adjacent to the suction port 102, slits 108a and 108b are formed to expose the squeeze 128, so that the squeeze 128 can selectively enter and exit the slits 108a and 108b. A rotating roller 140 for transmitting power to the rubber felt 130 is installed inside the casing 110, and the auxiliary wheel 120 that rotates according to the forward and backward progress of the suction nozzle 100 corresponds to the rotating roller 140. The casing 110 is installed on the bottom surface.

On the other hand, the suction nozzle for vacuum cleaner of Korea Patent Publication No. 1995--0007780 is installed on the base (2) of the suction port (1) is attached to the sweeper (4) for collecting dust, guide rod (6) and seating groove (7) ) Is formed to rotate the support member 5 when cleaning, and the front wheel is formed on the shaft (8) seated in the seating groove (7) is rotated and the fixing groove (9) is inserted into the guide rod (6) is formed And a support rib 10 inserted into the shaft 8 to support the shaft 8 to the base 92.

According to the configuration of the above-cited documents 1 and 2, the rubber blade (squeeze or sweeper) is located in front and rear of the suction port in accordance with the advancing direction to increase the cleaning efficiency, but the structure is too complicated.

The present invention has been made in order to solve the above-mentioned problems, the object of the present invention is to provide a suction nozzle for a vacuum cleaner that doubles the cleaning ability in the advancing direction, in particular, despite the simple configuration.

Suction nozzle for a vacuum cleaner of the present invention for achieving the above object is a case formed with a suction port on the bottom surface; A flexible blade disposed across left and right sides of the suction port; A front and rear reciprocating member for reciprocating the flexible blade to position the front and rear of the suction port; It is made, including.

According to this structure, even if only one flexible blade which reciprocates is used, cleaning is possible back and forth and can double the cleaning ability.

In the above-described configuration, the front and rear reciprocating member is a slot formed along the front and rear directions on the left and right sides of the suction port; It is preferable that the upper side is formed with a locking projection to be caught in the slot, the lower side is composed of a guide bar for supporting both sides of the flexible blade.

On the other hand, the front and rear reciprocating member is a slot formed along the front and rear directions on the left and right sides of the suction port; It is preferable that the upper side is formed with a locking projection to be caught in the slot, the lower side is composed of a guide bar for supporting the nonwoven fabric provided with the flexible blade.

In addition, the locking projection is preferably a roller.

In addition, the flexible blade is preferably implemented by rubber blades, urethane blades or plastic brushes.

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

Figure 3 is a bottom view showing a suction nozzle for a vacuum cleaner according to a preferred embodiment of the present invention, Figure 4 is a side cross-sectional view showing the operating state of the suction nozzle for the vacuum cleaner of Figure 3, Figure 5 is a view of the present invention It is a perspective view which shows the main part.

3 to 5, the vacuum cleaner suction nozzle 200 of the present embodiment is a case 210, the flexible blade 230, the flexible blade 230, the suction port 202 is formed on the bottom surface ) Is reciprocated to constitute a front and rear reciprocating member for positioning before and after the suction port 202.

According to this structure, even if one flexible blade 230 is used, the cleaning capability of the front and rear can be added, and the structure can be greatly simplified.

The case 210 is preferably composed of a lower case 210a having an inlet 202 and an upper case 210b assembled with the lower case 210a.

The lower case (210a) is preferable because the wheel 208 is to reduce the friction with the floor as it proceeds.

The front and rear reciprocating member is a slot (220a; 220b) formed along the front and rear directions on the left and right sides of the suction port 202, and a guide bar for supporting the flexible blade 230 is disposed in the slot (220a; 220b) ( It is preferably composed of 240a; 240b).

The guide bars 240a and 240b include a plate or rod-shaped link 241a and 241b, a locking protrusion formed at an upper end of the link 241a and 241b, and a flexible blade installed at a lower end of the link 241a and 241b. 230).

When the locking projection is implemented by the rollers 245a and 245b as shown in FIG. 5, the locking projections are preferable in terms of smoothly sliding along the slots 220a and 220b.

In addition, as shown in FIG. 5, the nonwoven fabric 250 may be fixed to the lower ends of the links 241a and 241b, and the flexible blade 230 may be installed on the nonwoven fabric 250. This nonwoven fabric 250 is effective to remove old times such as dust adhered to the floor.

The flexible blade 230 is preferably made of a rubber material having excellent adhesion to the bottom and durability. In addition, the flexible blade 230 may be implemented with a urethane blade or a plastic brush.

From the above configuration, as shown in Figs. 3 and 4, the suction nozzle for the vacuum cleaner of this embodiment has the rubber blade 230 when the rubber blade 230 is advanced (when pushed) like a solid arrow, at the rear side of the suction port 202 by friction. The rubber blade 230 is positioned at the front side of the suction port 202 by the frictional force when it is retracted (when pulled) as shown by the dotted arrow.

As described above, the rubber blade 230 reciprocates with the suction port 202 interposed in the advancing direction, so that the cleaning effect is obtained even when reversing as in the case of forward movement, thereby increasing the cleaning efficiency twice.

The suction nozzle for the vacuum cleaner according to the present invention is not limited to the above-described embodiment, and may be variously modified and implemented within the range permitted by the technical idea of the present invention.

As apparent from the above description, the vacuum cleaner suction nozzle of the present invention has the following effects.

First, a case formed with a suction port on the bottom surface; A flexible blade disposed across left and right sides of the suction port; A front and rear reciprocating member for reciprocating the flexible blade to position the front and rear of the suction inlet; By including a, it is possible to clean the front and back even by using only one flexible blade reciprocating can double the cleaning ability.

Second, the front and rear reciprocating member is a slot formed along the front and rear directions on the left and right sides of the suction port; The upper side is formed with a locking projection to be caught in the slot, the lower side is composed of guide bars for supporting both sides of the flexible blade, it is possible to simplify the reciprocating mechanism of the flexible blade.

Third, the front and rear reciprocating member is a slot formed along the front and rear directions on the left and right sides of the suction port; The upper side is formed with a locking projection to be caught in the slot, the lower side is composed of a guide bar for supporting the nonwoven fabric provided with the flexible blade, not only can simplify the reciprocating mechanism of the flexible blade, it is possible to remove the old time at the same time.

Fourth, by implementing the engaging projection with a roller, it can be smoothly sliding along the slot, the movement to the position when pushing and pulling can be performed more quickly.

Fifth, by implementing the flexible blade in a rubber blade, it is possible to increase the adhesion and durability to the floor.

Claims (5)

delete A case having a suction port formed on the bottom surface thereof; A flexible blade disposed across left and right sides of the suction port; A front and rear reciprocating member for reciprocating the flexible blade to position the front and rear of the suction port; Including but not limited to, The front and rear reciprocating member is a slot formed along the front and rear directions on the left and right sides of the suction port; The upper side is formed with a engaging projection to the slot, the lower side is a suction nozzle for a vacuum cleaner, characterized in that consisting of guide bars for supporting both sides of the flexible blade. A case having a suction port formed on the bottom surface thereof; A flexible blade disposed across left and right sides of the suction port; A front and rear reciprocating member for reciprocating the flexible blade to position the front and rear of the suction port; Including but not limited to, The front and rear reciprocating member is a slot formed along the front and rear directions on the left and right sides of the suction port; The upper side is formed with a locking projection to be caught in the slot, the lower side is a suction nozzle for a vacuum cleaner, characterized in that consisting of a guide bar for supporting the nonwoven fabric provided with the flexible blade. The method according to claim 2 or 3, The catching projection is a suction nozzle for a vacuum cleaner, characterized in that the roller. The method of claim 4, wherein The flexible blade is a suction nozzle for a vacuum cleaner, characterized in that the rubber blade, urethane blade or plastic brush.

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