KR100445602B1 - A brush for vacuum cleaner - Google Patents

Abstract

The present invention relates to a brush for a vacuum cleaner, wherein the rotary shafts 3A and 5A are vertically formed on upper portions of the first support member 3 and the second support member 5 formed on both sides of the front surface, respectively, and the air intake port 1 ) The side of the brush body 10 formed in communication with the front of the arc-shaped guide groove (1A, 1B), and the rotating shaft (3A) formed in the first support member 3 of the brush body 10 and hinged connection And the suction holes 13 and 23 which are rotatably coupled forward from the brush body 10 and communicate with the air inlet port 1 of the brush body 10 at one lower side including the guide members 11 and 21. The first auxiliary brush 20 and the second auxiliary brush 30 having a shape symmetrical with the first auxiliary brush 20 are formed.

As described above, according to the present invention, the first auxiliary brush 20 and the second auxiliary brush 30 rotate forward according to contact with an external object, thereby increasing the efficiency of the vacuum cleaner and making the cleaning operation easier.

Description

Brush for vacuum cleaner {A brush for vacuum cleaner}

The present invention relates to a vacuum cleaner, and more particularly, to a vacuum cleaner provided with auxiliary brushes whose front ends are rotated forward by contact with an external object on both sides of the front face of the brush that sucks in dust or dirt according to the operation of the vacuum cleaner. It relates to a vacuum cleaner brush configured to increase the efficiency of the cleaning and to facilitate the cleaning operation.

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. 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, the front end of the front of the brush in contact with the external object in front of the brush to suck in dust and dirt, etc. in accordance with the operation of the vacuum cleaner. By providing a first auxiliary brush and a second auxiliary brush that rotates in order to provide a means for increasing the efficiency of the vacuum cleaner, more quickly and easily cleaning.

The object of the present invention as described above, the neck is rotatably connected to the back, the rotating shaft coupled to the outer circumferential surface on the upper surface of the plate-shaped first support member and the second support member protruding horizontally from both sides of the front A brush body formed in communication with the front of the arc-shaped guide groove centered on the;

It is hinged to the rotating shaft formed on the first support member of the brush body is rotatably coupled forward from the brush body, the lower surface forms an arc-shaped guide member that is movably coupled from the guide groove of the brush body, A first auxiliary brush having a suction hole communicating with an air suction hole of the brush body at one lower side including the guide member; And

It is achieved by providing a brush for the vacuum cleaner, characterized in that the second auxiliary brush is formed in a shape symmetrical with the first auxiliary brush and rotatably coupled forward from the rotation axis of the second support 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.

4 is a view showing a state of use of the present invention.

<Explanation of symbols for main parts of drawing>

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

3: first supporting member 3A, 5A: rotating shaft

5: second supporting member 10: brush body

11, 21: guide member 13, 23: suction port

20: first auxiliary brush 30: second auxiliary brush

60 neck

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 is an external object According to contact with the first auxiliary brush 20 and the second auxiliary brush 30 coupled to the front of the brush body 10 is configured to rotate forward.

The present invention is largely composed of a brush body 10, the first auxiliary brush 20 and the second auxiliary brush 30 coupled to the front of the brush body 10 described above.

Here, the brush body 10, the neck 60 to which the neck connector is connected is rotatably coupled in the vertical direction from the back, the first support member 3 and the second support member 5 formed on both sides of the front At the upper portion of the rotational axis (3A, 5A) for rotatably coupling the first auxiliary brush 20 and the second auxiliary brush 30, respectively, are formed vertically, the outer peripheral surface of the rotating shaft (3A, 5A) The return spring S is coupled.

In addition, an air inlet 1 having a rectangular shape is formed at a lower portion of the brush body 10 such that a foreign material such as dust is sucked by a negative pressure, such as a brush having a conventional structure. On both sides of the side, the arc-shaped guide grooves 1A, 1B centered on the rotation shafts 3A, 5A of the first support member 3 and the second support member 5 are in communication with the front face. Is formed.

In addition, the first auxiliary brush 20 which is hinged to the rotating shaft 3A formed on the first support member 3 of the brush body 10 and rotatably coupled forward from the brush body 10 is a rear surface. An arc-shaped guide member 11 is formed to be movably coupled from the guide groove 1A of the brush body 10, and a suction port 13 is formed at one lower side including the guide member 11.

In addition, the second auxiliary brush is hinged to the rotary shaft (5A) of the second supporting member (5) located on the opposite surface of the first supporting member (3) rotatably coupled forward from the brush body (10) ( 30 is formed in a shape symmetrical to the first auxiliary brush 20 described above, an arc-shaped guide member 21 which is movably coupled to the guide groove 1B of the brush body 10 is formed on the rear surface. In addition, the suction port 23 is formed at one lower side including the guide member 21.

As described above, 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 to prevent dust and dirt during the operation of the vacuum cleaner. The same foreign matter is induced to be sucked into the air inlet (1), even in a state deployed from the brush body 10 to allow the foreign matter to be sucked through the air inlet (1).

Meanwhile, the first auxiliary brush 20 and the second auxiliary brush 30 are return springs S coupled to the rotation shafts 3A and 5A of the first support member 3 and the second support member 5. The elasticity of the second auxiliary brush 20 and the second auxiliary brush 30 to maintain the state in close contact with the front surface of the brush body 10 in a normal state that the external object is not in contact with the action.

Reference numeral 70 in the figure is a neck connector coupled to the front end of the suction pipe to rotate the neck 60 in the left and right directions, 19,29 are so that the movement in the front and rear direction of the brush body 10 is made smoothly. The roller is coupled to the lower portion of the first auxiliary brush 20 and the second auxiliary brush 30.

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

The vacuum cleaner brush 100 according to the present invention has a negative pressure according to the operation of the vacuum cleaner because the neck 60 coupled to the rear side like the brush of a conventional structure is connected to the front end of the suction pipe via the neck connector 70. Inhale dust or dirt.

In the present invention as described above, the first auxiliary brush 20 and the second auxiliary brush 30 coupled to the front of the brush body 10 when contacting the corner or the pillar in the cleaning process, the first support member 3 and It rotates forward with respect to the rotation shafts 3A and 5A of the second support member 5. For example, the first auxiliary brush 20 and the second auxiliary brush 30 are pillars C as shown in FIG. 4. In the case of contacting at the same time as the edge of the first contact brush (20) and the second auxiliary brush (30) to the front by moving the contact surface with the post (C) in accordance with the contact pressure with the column (C). Move.

Therefore, the vacuum cleaner brush 100 according to the present invention can be cleaned more easily because the suction of foreign matter on both sides of the pillar (C) is made at the same time without moving to both sides of the pillar (C) during cleaning. do.

Subsequently, if the vacuum cleaner brush 100 according to the present invention is moved backward in such a state, the return coupled to the outer peripheral surfaces of the rotation shafts 3A and 5A of the first support member 3 and the second support member 5 is maintained. By the action of the spring S, the first auxiliary brush 20 and the second auxiliary brush 30, which are rotated forwardly, return to their initial state, and thus, move in the front and rear directions as in the case of a conventional vacuum cleaner brush. Therefore, the floor should be cleaned.

As described above, the brush 100 for a vacuum cleaner according to the present invention includes a first auxiliary brush 20 and a second auxiliary brush whose tip is rotated forward in contact with an external object in front of the brush body 10. By providing the brush 30, the first auxiliary brush 20 and the second auxiliary brush 30 rotate forward in accordance with the contact with the corner or the pillar (C) during the cleaning process.

Therefore, the present invention can increase the efficiency of the vacuum cleaner because it is possible to clean both sides of the corner or the pillar (C) without changing the direction of travel, and with this, many cleaning operations can be performed more quickly and easily. It works.

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)

A neck 60 is rotatably connected to the rear surface, and a return spring S is coupled to an outer circumferential surface of an upper portion of the plate-shaped first support member 3 and the second support member 5 protruding horizontally from both front sides. Rotating shafts 3A and 5A are formed vertically, and the rotary shafts 3A and 5A of the first support member 3 and the second support member 5 are formed on the side surface of the rectangular air intake port 1 formed at the bottom thereof. A brush body 10 formed to communicate with the front surface of the arc-shaped guide grooves 1A and 1B having a center; It is hinged to the rotating shaft (3A) formed on the first support member 3 of the brush body 10 is rotatably coupled forward from the brush body 10, the bottom of the guide groove of the brush body 10 A suction port 13 which forms an arc-shaped guide member 11 which is movably coupled from 1A, and communicates with the air inlet 1 of the brush body 10 on one lower side including the guide member 11. A first auxiliary brush 20 having a shape; And A vacuum is characterized in that it is formed in a shape symmetrical with the first auxiliary brush 20, the second auxiliary brush 30 is rotatably coupled forward from the rotation axis 5A of the second support member (5). Cleaner Brush.