KR100435902B1 - A brush for vacuum cleaner - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brush for a vacuum cleaner, wherein a base plate (5) having a rectangular plate shape with a first rotating shaft (3) and a second rotating shaft (4) is formed, and guide grooves are provided at both sides of the air inlet (1). (1A, 1B) and the brush body 10 formed in communication with the front, rotatably coupled forward from the brush body 10, the guide member (11, 21) is formed on the back, the lower one side Intake ports 13 and 23 are formed in communication with the air intake port 1 of the brush body 10, and the first auxiliary brush 20 and the second auxiliary brush formed with the pressing protrusions 15 and 25 are formed at one end of the brush body 10. The pressing member 40 which is coupled to the brush 30 and the top and bottom of the base plate 5 of the brush body 10 in a forward and backward direction to develop the first auxiliary brush 20 and the second auxiliary brush 30. )

The present invention, such that the first auxiliary brush 20 and the second auxiliary brush 30 are developed by the pressing force acting from the front of the brush 100 to suck in dust or dirt, thereby increasing the efficiency of the vacuum cleaner. Cleaning can be made easier.

Description

Brush for vacuum cleaner {A brush for vacuum cleaner}

The present invention relates to a vacuum cleaner, and more particularly, by providing an auxiliary brush that is developed in front of a brush that sucks dust or dirt according to the operation of the vacuum cleaner, thereby increasing the efficiency of the vacuum cleaner and making cleaning easier. It relates to a vacuum cleaner brush configured to be able to.

In general, the vacuum cleaner which cleans the floor or the gap by suctioning and collecting dust or dirt by the negative pressure according to the operation of the vacuum pump is generally connected to the suction pipe at the tip of the flexible hose connected to the main body. , Has a structure in which a brush is coupled to the tip of the suction pipe.

Such a brush increases the inhalable area and removes the foreign matter firmly fixed to the bottom surface by a brush or the like provided at the bottom so that the cleaning can be efficiently performed.

In particular, in recent years, the brush coupled to the suction pipe is configured to be rotatable in the vertical direction so that the brush can be moved forward and backward easily. Separately, the brush is narrower than the width of the brush as the brush is rotatably coupled in the left or right direction. It is possible to clean one part and at the same time smoothly move the lateral direction of the brush during the cleaning operation.

1 is a bottom view showing an example of a brush for a vacuum cleaner having a conventional structure, the conventional brush 200 is such that the neck 160 is rotatably coupled in the vertical direction to the back of the central portion, the neck The neck connector 170 to which the suction pipe 180 is connected to the upper portion of the 160 is rotatably coupled to the left and right directions.

In addition, an air inlet 101 is formed at the lower center of the brush body 110 to inhale dust or foreign matter, and the sole 109 made of a fiber material is attached to the periphery of the air inlet 101. The foreign matter stuck to the to be removed, and the roller 108 is provided on both sides to guide the progress of the brush (200).

Such a conventional brush 200 in the cleaning process by moving the brush 200 in the front and rear direction to collect foreign matter on the bottom surface, in the narrow width of the brush 200 by rotating the brush 200 to the left or right suction pipe 180 and the brush 200 is used in a state orthogonal.

By the way, the conventional brush 200 having the structure as described above, for example, when cleaning the portion of the wall, such as corners or pillars, the brush 200 is repeatedly moved several times or the brush 200 from the initial progress direction Since the cleaning should be performed in a state in which the direction of travel is changed, the cleaning is inefficient, and accordingly, a problem such as requiring a lot of time and manpower for cleaning occurs.

The present invention has been made to solve the conventional problems as described above, the object of the present invention is to develop in the front by the pressing force acting from the outside to the front of the brush to inhale dust or dirt according to the operation of the vacuum cleaner. It is to provide a means that can increase the efficiency of the vacuum cleaner, and to facilitate the cleaning operation by providing an auxiliary brush.

An object of the present invention as described above is formed by protruding from each of the sides of the air intake port formed in the bottom of the front plate formed with a base plate of the rectangular plate shape with the first rotating shaft and the second rotating shaft vertically attached to both sides. A brush body formed to communicate with a front surface of an arc-shaped guide groove centered on a first rotating shaft and a second rotating shaft of the support plate;

The hinge is connected to the first rotating shaft formed on the base plate of the brush body is rotatably coupled forward from the brush body, the rear surface forms an arc-shaped guide member movably coupled from the guide groove of the brush body, the guide A first auxiliary brush having a suction port communicating with an air suction port of the brush body at one side including the member, and having a pressing protrusion at one end thereof;

A second auxiliary brush formed in a shape symmetrical with the first auxiliary brush and rotatably coupled from a second axis of rotation of the brush body; And

It is coupled to the front and rear direction from the top of the base plate of the brush body, the compression coil spring is coupled to the back, side grooves on both sides to form a square groove so that the pressing projections of the first and second auxiliary brushes are inserted. It is achieved by providing a brush for the vacuum cleaner, characterized in that consisting of a rectangular pressing member.

Hereinafter, a brush for a vacuum cleaner according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a bottom view of an example of a conventional vacuum cleaner brush,

Figure 2 is an exploded perspective view of a brush for a vacuum cleaner according to an embodiment of the present invention,

3 is a bottom view of the present invention shown in FIG.

4A and 4B are diagrams illustrating a use state of the present invention.

<Explanation of symbols for main parts of drawing>

1: Air inlet 1A, 1B: Guide groove

3: first rotating shaft 4: second rotating shaft

5: base plate 10: brush body

11, 21: guide member 13: inlet

15,25: pressing projection 20: first auxiliary brush

30: second secondary brush 35: square recess

36: compression coil spring 40: pressing member

Figure 2 is an exploded perspective view of a brush for a vacuum cleaner according to an embodiment of the present invention, Figure 3 is a bottom view of the present invention shown in Figure 2, the vacuum cleaner brush 100 according to the present invention, from the front The first subsidiary brush 20 and the second subsidiary brush 30 are developed by the pressing force acting.

The present invention as described above, the brush body 10, the first auxiliary brush 20 and the second auxiliary brush 30 coupled to the front of the brush body 10, the first auxiliary brush 20 described above. And a pressing member 40 interposed between the second auxiliary brushes 30 to develop the first auxiliary brush 20 and the second brush 30 by the pressing force acting from the outside.

Here, the brush body 10 has the first and second rotary shafts 3 and 4 vertically on both sides so as to rotatably support the first and second auxiliary brushes 20 and 30. The base plate 5 of the attached rectangular plate body shape is formed in the state which protruded from the front lower part.

In addition, the lower portion of the brush body 10 is formed with an air inlet 1 having a rectangular shape so that foreign matter such as dust is sucked by the negative pressure, and the sides of the air inlet 1 described above Circular arc-shaped guide grooves 1A and 1B centered on the first rotary shaft 3 and the second rotary shaft 4 of the backing plate 5 are formed in communication with the front surface.

In addition, the first auxiliary brush 20 which is hinged to the first rotary shaft 3 formed on the support plate 5 of the brush body 10 and rotatably coupled forward from the brush body 10 is pressed to one side of the tip. A protrusion 15 is formed, and an arc-shaped guide member 11 that is movably coupled from the guide groove 1A of the brush body 10 is formed on the rear surface, and the lower portion including the guide member 11 is formed. At one side, the suction port 13 is formed.

In addition, the second auxiliary brush 30 formed in a shape symmetrical with the first auxiliary brush 20 is rotatably coupled from the second rotation shaft 4 of the brush body 10, and a pressing protrusion is provided at one end of the brush. 25 is formed, and the back side is formed with the arc-shaped guide member 21 which has the suction port 23 in the lower part.

Meanwhile, the suction ports 13 and 23 formed in the first auxiliary brush 20 and the second auxiliary brush 30 communicate with the air intake port 1 of the brush body 10, and thus, various kinds of dust such as dust in the operation process of the vacuum cleaner. The foreign material is induced to be sucked into the air inlet 1, and the movement of the foreign material is induced to be sucked through the air inlet 1 described above even in a state deployed from the brush body 10.

Subsequently, the block-shaped pressing member 40, which is movably coupled forward and backward from an upper portion of the base plate 5 of the brush body 10, has a first auxiliary brush 20 and a second auxiliary brush 30 on both sides. Square groove 35 is formed so that the pressing projections (15, 25) of the) is respectively formed, the compression coil spring 36 is coupled to the back.

The pressing member 40 has a state protruding forward by the elasticity of the compression coil spring 36 in a normal state, and is inserted into the square groove 35 when moving backward by the pressing force acting from the front. The pressing protrusions 15 and 25 are moved to the rear, respectively, so that the first auxiliary brush 20 and the second auxiliary brush 30 are developed around the first rotation shaft 3 and the second rotation shaft 4.

Hereinafter, reference numeral 160 in the drawings is a neck coupled rotatably in the vertical direction from the back of the central portion of the brush body 10, 170 is coupled to the front end of the suction pipe to rotate the neck 160 in the left and right directions. The reference numeral 19 and 29 are rollers formed below the first auxiliary brush 20 and the second auxiliary brush 30 so as to smoothly move the front and rear directions of the brush body 10.

The operation and effects of the present invention configured as described above will be described below.

Brush 100 for a vacuum cleaner according to the present invention is connected to the front end of the suction pipe 180 via the neck 160 and the neck connector 170 coupled to the back as shown in Figure 4a the operation of the vacuum cleaner Inhale dust or dirt by the negative pressure.

According to the present invention as described above, when the corner or the pillar is located in the front during cleaning, the pressing member 40 provided at the front moves backward as shown in FIG. 4B according to the contact pressure with the corner or the pillar.

At this time, the pressing protrusions 15 and 25 of the first auxiliary brush 20 and the second auxiliary brush 30 are inserted into the square recess 35 of the pressing member 40 moving backward as described above. As the pressing member 40 moves, the first subsidiary brush 20 and the second subsidiary brush 30 respectively move forward about the first rotary shaft 3 and the second rotary shaft 4 of the support plate 5, respectively. Since the suction of foreign matter on both sides of the pillar (S) is made at the same time without changing the advancing direction of the brush (100) can be more easily cleaned.

Subsequently, when the pressing member 40 is separated from the pillar S according to the completion of the above process, the pressing coil spring 36 coupled to the back surface of the pressing member 40 is pressed as shown in FIG. 4A. While the member 40 protrudes, the first auxiliary brush 20 and the second auxiliary brush 30 are returned to their initial state so that the first auxiliary brush 20 and the second auxiliary brush 30 are returned to their initial state, and move with respect to the bottom surface in a forward and backward direction as in a conventional vacuum cleaner brush. Cleaning is done.

As described above, in the vacuum cleaner brush 100 according to the present invention, the first auxiliary brush 20 and the second auxiliary brush 30 are developed forward by an external force acting through the pressing member 40. There are many effects, such as increasing the efficiency of the vacuum cleaner, making the cleaning operation faster and easier.

While the invention has been shown and described with respect to certain preferred embodiments, the invention is not limited to the embodiments described above, it is common in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge will be able to make various variations.

Claims (1)

Both sides of the air inlet port 1 formed on the lower side are formed by projecting a rectangular plate-shaped support plate 5 having the first rotating shaft 3 and the second rotating shaft 4 vertically attached to both sides from the front lower portion. The brush body 10 is formed in communication with the front surface of the arc-shaped guide groove (1A, 1B) centered on the first rotary shaft (3) and the second rotary shaft (4) of the support plate (5); It is hinged to the first rotating shaft (1) formed on the support plate (5) of the brush body 10 is rotatably coupled forward from the brush body 10, the back of the guide groove (1A) of the brush body 10 A circular arc-shaped guide member 11 which is movably coupled from the bottom surface, and a suction port 13 communicating with the air inlet port 1 of the brush body 10 is formed at one lower side including the guide member 11. A first auxiliary brush 20 having a pressing protrusion 15 formed at one end thereof; A second auxiliary brush (30) formed in a shape symmetrical with the first auxiliary brush (20) and rotatably coupled from the second rotation shaft (4) of the brush body (10); And It is coupled to the front and rear direction from the upper portion of the base plate 5 of the brush body 10, the compression coil spring 36 is coupled to the back, both sides of the first auxiliary brush 20 and the second auxiliary Brush for vacuum cleaner, characterized in that consisting of a rectangular pressing member (40) formed with a square groove (35) so that the pressing projections (15, 25) of the brush (30).