KR20050123217A - Brush for vacuum cleaner - Google Patents

Abstract

The present invention relates to a brush for a vacuum cleaner, in the brush for a vacuum cleaner, one end having a plurality of coupling holes at the bottom protrudingly formed, the other end is formed a semi-circular upper neck formed with the upper rotating guide recess inwardly Fixing grooves are formed on one side of the upper rotation guide recess, and an upper case on which one side of the upper neck extends a pipe coupling portion to be coupled to the suction pipe; It is coupled to the lower part of the upper case, one end is formed with a coupling protrusion to be fitted into the coupling hole, the other end is formed a semi-circular lower neck formed inwardly the lower rotation guide recess corresponding to the upper rotation guide recess, A lower case formed with a dust suction hole; And an opening is formed at one side so as to be coupled to the upper rotation guide recess to be rotated, and an inner circumferential surface thereof is configured to have a fixing ring protruding from the fixing groove 25A so as to be fixed. According to the present invention, it is possible to assemble and disassemble the upper case and the lower case of the brush without any tools, which makes the brush easy to use, minimizes the damage of the brush due to repeated assembly and disassembly, and reduces the number of parts, thus reducing the manufacturing cost. There is such an effect.

Description

Brush for vacuum cleaner {BRUSH FOR VACUUM CLEANER}

The present invention relates to a brush for a vacuum cleaner, and in detail, it is possible to assemble and disassemble the upper case and the lower case of the brush without a separate tool, which is convenient to use, minimizes damage to the brush, and reduces manufacturing costs. It relates to a vacuum cleaner brush that can be made.

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 separates the foreign matter from the bottom surface by a brush or the like provided at the bottom to enable more efficient cleaning.

1 shows a vacuum cleaner with a handle 100 interposed between a conventional flexible hose H and a suction pipe P to provide a holding space for the suction pipe P, while controlling the function of the vacuum cleaner. As a perspective view showing an example of the (200), the handle 100 of such a vacuum cleaner 200 is coupled to the suction pipe (P) to which the brush (250) consisting of upper and lower cases (252, 254) is connected. In order to form a pipe connector 110 having a fixture 105, the other end of the pipe connector 110 is coupled to the flexible hose (H). The flexible hose H is connected to the main body 300 of the vacuum cleaner 200.

Subsequently, a gripping portion 130 providing a gripping space is formed at an upper portion of the pipe connector 110 and the flexible hose H, and an operation of the vacuum cleaner is controlled at an upper side of the gripping portion 130. A function control switch S is provided.

Such a vacuum cleaner handle 100 is connected to the suction pipe (P) equipped with a brush 250 in the pipe connector 110 inside sequentially, and gripping the handle 100 by using the grip portion 130 Next, through the function control switch (S) provided in the upper portion of the holding unit 130 to adjust the interruption or suction force of the operation of the vacuum cleaner 200.

In order to use the vacuum cleaner configured as described above, when the user applies power to the main body 300 using a power plug (not shown) and turns on the power switch, the main body 300 is installed inside the main body 300. The motor (not shown) rotates at high speed and generates a strong suction force.

Then, when operating the function control switch (S) provided on the upper portion of the holding unit 130, the outside air is sucked through the brush 250, the outside air sucked into the brush 250 is a suction pipe (P) Through) is introduced into the body 300.

On the other hand, the dust and foreign matter of the cleaning part is sucked together with the external air introduced through the brush (250).

The dust and foreign substances introduced through the brush 250 are introduced into the suction pipe P, and the dust and foreign substances introduced into the suction pipe P are again passed through the handle 100 and the flexible hose H. 300 is introduced into the dust bag (not shown) installed in the dust collecting chamber (not shown) provided inside the main body 300 is all collected.

However, such a conventional vacuum cleaner 100 has the advantage that all the foreign matters of the cleaning part are sucked by the strong suction force, the cleaning area is clean, but the hair or various foreign matters are collected in the brush 250, the various foreign matters collected If you want to clean the brush 250 to remove the inconvenience of separating / assembling the brush was inconvenient.

That is, since the upper case 252 and the lower case 254 of the brush 250 are coupled by a screw, it is impossible to detach and assemble the brush 250 without using a tool such as a screwdriver, as well as a brush ( When the separation and assembly of the 250) takes a long time, the workability is deteriorated, and there is a problem that damage occurs to the product due to the repeated removal and assembly of the brush (250).

The present invention has been made to solve the problems of the prior art as described above, the technical problem of the present invention can be assembled and disassembled the upper case and the lower case of the brush without a separate tool is convenient to use, the brush is damaged It is possible to minimize the manufacturing process and to reduce the manufacturing cost is to provide a vacuum cleaner brush.

Technical problem for achieving the above object,

In the vacuum cleaner brush to clean the bottom surface by a strong suction force generated by the drive of the motor installed inside the main body,

A coupling part 21 having a plurality of coupling holes 21A at the bottom thereof is protruded, and a semicircular upper neck 23 is formed at the other end so that the upper rotation guide recess 25 is inward, and the upper rotation guide is formed. A fixing groove 25A is formed at one side of the recessed part 25, and an upper case 20 in which the pipe coupling part 27 extends to allow the suction pipe P to be coupled to one side of the upper neck 23. ;

It is coupled to the lower portion of the upper case 20, the coupling projection 31 is formed at one end to be fitted into the coupling hole (21A), the other end of the lower rotation guide corresponding to the upper rotation guide recess 25 A semicircular lower neck 33 having a recess 35 formed inwardly, and a lower case 30 having a dust suction hole 37 formed at a bottom thereof; And

An opening 42 is formed at one side to be inserted and coupled to the upper rotation guide recess 25 so as to rotate, and a fixing protrusion 44 protrudes from one side of the inner circumferential surface so as to be fitted into the fixing groove 25A. It is achieved by providing a brush for the vacuum cleaner, characterized in that consisting of a fixed ring (40).

When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention having the above characteristics as follows.

In the accompanying drawings, Figure 2 is an exploded perspective view showing a brush for a vacuum cleaner according to the present invention, Figure 3 is a perspective view of a combined state of the brush according to the present invention, Figure 4 is the upper, lower rotation guide in the present invention 5 is a cross-sectional view showing a state in which the fixing ring of the fixing ring is coupled to the fixing groove of the upper rotation guide recess in Figure 4, Figure 6 is a cross-sectional view taken along line AA of FIG. The invention vacuum cleaner brush is easy to use because it can be assembled and disassembled the upper case and the lower case of the brush without a separate tool, it is a configuration that can reduce the manufacturing cost by eliminating parts such as screws.

The vacuum cleaner, which describes this in detail, has a structure in which a suction pipe is connected to the tip of the flexible hose connected to the main body, and a brush is coupled to the tip of the suction pipe.

The brush 10 includes the upper case 20, the lower case 30, and the fixing ring 40 as shown in FIGS. 2 to 6.

The upper case 20 has a semicircular upper neck 23 formed at one end thereof with a coupling part 21 having a plurality of coupling holes 21A at the bottom thereof and protruding from the other end thereof. ) Is formed, a fixing groove (25A) is formed on one side of the upper rotation guide recess 25, the pipe coupling portion (27) so that the suction pipe (P) can be coupled to one side of the upper neck (23). ) Is extended.

The lower case 30 is installed in the lower portion of the upper case 20, one end of the coupling protrusion 31 is formed to be fitted into the coupling hole (21A), the other end of the upper rotation guide recess 25 The lower rotation guide portion 35 corresponding to the bottom is formed in a semi-circular lower neck 33 is formed inward, the bottom surface is formed with a dust suction hole 37 so that the hair or various foreign matter can be introduced.

The fixing ring 40 is fitted through the upper rotation guide recess 25 to assemble the upper case 20 and the lower case 30 while rotating along the upper rotation guide recess 25 and the lower rotation guide recess 35. And by separating, the opening 42 is formed on one side, the fixing projection 44 is protruded to be fixed to the fixing groove (25A) on one side of the inner peripheral surface.

The fixing protrusion 44 is formed on the central axis corresponding to the fixing groove 25A.

Referring to the operation of the present invention configured as described above is as follows.

According to the present invention, the upper case 20 and the lower case 30 of the brush 10 are assembled.

In detail, the lower case 30 is installed below the upper case 20, and the coupling protrusion 31 formed in the lower case 30 is inserted into the coupling hole 21A formed in the upper case 20. .

When the coupling protrusion 31 is fitted into the coupling hole 21A, the upper neck 23 of the upper case 20 and the lower neck 33 of the lower case 30 are positioned to contact each other.

At this time, the other end of the brush 10 is in a circular shape by the contact of the upper neck 23 and the lower neck 33.

When the lower case 30 is located below the upper case 20, the fixing ring 40 is coupled to the upper rotation guide recess 25 through the opening 42 of the fixing ring 40 in FIG. 4. As shown. At this time, the opening 42 of the fixing ring 40 faces the direction of the lower case 30.

When the fixing ring 40 rotates 180 ° in the same state as in FIG. 4, the fixing ring 40 is positioned along the upper rotation guide recess 25 while being positioned at the lower rotation guide recess 35, and at the same time, the fixing ring 40. Fixing protrusions 44 formed in the) is fitted into the fixing groove 25A formed in the upper rotation guide recess 25, and thus the upper neck 23 and the lower neck 33 is firmly fixed, the upper case 20 ) And assembly of the lower case 30 is completed, and assembly of the brush 10 is completed (see FIG. 5). At this time, the opening 42 of the fixing ring 40 faces the direction of the upper case 30. .

When the brush 30 is formed by assembling the upper case 20 and the lower case 30 as described above, the suction pipe P may be coupled to the pipe coupling part 27.

In this state, when the vacuum cleaner is operated, the driving motor installed inside the main body is driven, and the hair and various foreign substances on the floor cleaning surface are introduced through the dust suction opening 37 by the powerful suction force generated by the driving of the driving motor. The noodles will be cleaned.

When using the vacuum cleaner as described above, when the hair and various foreign matters are collected in the brush 10 to clean the brush 10, the fixing ring 40 in the state as shown in FIG. 5 is rotated 180 °. Then, while the fixing protrusion 44 formed in the fixing ring 40 is separated from the fixing groove 25A by the rotation of the fixing ring 40, the fixing ring 40 is guided along the lower rotation guide recess 35. As shown in 4, the upper rotation guide recess 25 is positioned.

When the fixing protrusion 44 is separated from the fixing groove 25A by the rotation of the fixing ring 40, the lower neck 33 is moved downward. Then, the lower case 30 is also opened by the movement of the lower neck 33.

In this state, when the lower case 30 is pulled forward, the coupling protrusion 31 is separated from the coupling hole 21A to separate the upper case 20 and the lower case 30.

When the upper case and the lower case is separated, the hair and various foreign matters collected in the upper case 20 and the lower case 30 may be removed and washed with water.

When the removal of various foreign matters and washing of water is completed, the upper case 20 and the lower case 30 may be assembled by the method as described above, and the present invention provides an upper case 20 of the brush 10 without a separate tool. ) And the lower case 30 can be easily assembled and separated, and the number of parts is reduced, thereby reducing the manufacturing cost.

According to the vacuum cleaner brush of the present invention as described in detail above, the upper case and the lower case of the brush is configured to be separated and assembled by a fixing ring, according to the present invention, the upper case and the lower portion of the brush without a separate tool Since the case can be assembled and disassembled, it is convenient to use the brush, minimizes damage to the brush due to repeated assembly and disassembly, and reduces the number of parts, thereby reducing manufacturing costs.

While the invention has been shown and described with respect to certain preferred embodiments thereof, the invention is not limited to the embodiments described above, and is typically defined in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge of the world can make many variations.

1 is a perspective view showing an example of a vacuum cleaner having a conventional structure,

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

3 is a perspective view of a brush is coupled state according to the invention,

4 is a cross-sectional view of the fixing ring is installed in the upper, lower rotation guide recess in the present invention,

5 is a cross-sectional view showing a state in which the fixing projection of the fixing ring is coupled to the fixing groove of the upper rotation guide recess in 4;

6 is a cross-sectional view taken along the line A-A of FIG.

<Description of the code | symbol about the principal part of drawing>

10 brush 20 upper case

21: coupling portion 21A: coupling hole

23: upper neck 25: upper rotation guide main portion

25A: fixing groove 27: pipe joint

30: lower case 31: engaging projection

33: lower neck 35: upper rotation guide main portion

37: dust suction hole 40: retaining ring

42: opening 44: fixing protrusion

P: Pipe

Claims (1)

In the vacuum cleaner brush to clean the bottom surface by a strong suction force generated by the drive of the motor installed inside the main body, A coupling part 21 having a plurality of coupling holes 21A at the bottom thereof is protruded, and a semicircular upper neck 23 is formed at the other end so that the upper rotation guide recess 25 is inward, and the upper rotation guide is formed. A fixing groove 25A is formed at one side of the recessed part 25, and an upper case 20 in which the pipe coupling part 27 extends to allow the suction pipe P to be coupled to one side of the upper neck 23. ; It is coupled to the lower portion of the upper case 20, the coupling projection 31 is formed at one end to be fitted into the coupling hole (21A), the other end of the lower rotation guide corresponding to the upper rotation guide recess 25 A semicircular lower neck 33 having a recess 35 formed inwardly, and a lower case 30 having a dust suction hole 37 formed at a bottom thereof; And An opening 42 is formed at one side to be inserted and coupled to the upper rotation guide recess 25 so as to rotate, and a fixing protrusion 44 protrudes from one side of the inner circumferential surface so as to be fitted into the fixing groove 25A. Brush for vacuum cleaner, characterized in that consisting of a fixed ring (40).