KR100299198B1 - Slim type suction brush of vacuum cleaner - Google Patents

Abstract

PURPOSE: A slim type suction brush is provided to easily clean an under portion of a sofa, a bed, and a desk and to improve the convenience by reducing the weight and the thickness of the suction brush. CONSTITUTION: A slim type suction brush(1) has upper and lower plates(20,40) which are coupled to each other by means of a plurality of screw members. A brush neck(50) connected to an extension pipe is mounted at a rear center of the upper and lower plates(20,40). An air inlet formed in the lower plate(40) is communicated with the brush neck(50). A neck fixing cap is positioned between the upper and lower cases for rotatably coupling the brush neck(50) to the upper and lower cases. The brush neck(50) includes a neck member(52) and a pipe member(54) which are rotatably coupled to each other by a hook pin. An air guide plate is formed at an edge of the lower plate(40), and a supporting plate corresponding to the air guide plate of the lower plate(40) is formed at a front edge of the upper plate(20).

Description

Slim suction brush of vacuum cleaner

1 is an exploded perspective view showing the configuration of a general suction brush,

2 is a state of use of the suction brush according to the prior art,

3 is an exploded view of a slim suction brush according to the present invention;

4 is a main detail view of the slim suction brush according to the present invention,

a) is a plan view showing the internal structure of the lower plate,

b) is a plan view showing the internal structure of the top plate,

c) joining cross section of the bristle joint;

d) the cross-section of the projection and the rib for matching the upper and lower plates,

5 is a bottom plate rear view of the slim suction brush according to the present invention;

6 is a state diagram used in the slim suction brush according to the present invention.

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

20: top plate 22: support plate

24: groove 28: circular protrusion

35: shock absorbing member 40: lower plate

45: air intake ownership 47: air guide plate

50: broach neck 66: front wheel

68: round boss 76: roller

78: cap 215: gap

The present invention relates to a suction brush of a vacuum cleaner, and more specifically, to slim the thickness (slim) to not only can be easily cleaned under the furniture, such as sofas, beds, desks, but also to reduce the weight and thinner thickness It relates to a slim suction brush of the vacuum cleaner greatly improved the convenience of use.

In general, the suction brush 100 of the vacuum cleaner is generally used, as shown in FIG. 1, in which a rotating rod 113 is attached to the lower case 110 in a spiral manner with a spiral brush 112 attached thereto. In addition, one side of the drive motor 114 is installed on the support ribs 120, the other side of the circuit board 122 having a fuse (fuse) (121) is installed by a screw 123. In addition, the driving motor 114 and the rotating rod 113 having the rotating shaft 114a are connected to the belt 115, and rollers 116 and 116 'are provided on both sides of the lower surface front of the lower case 110. The upper case 119 is rotatably coupled and the upper case 119 is fixed to the lower case 110 is connected to the suction pipe 118 to the main inlet 117, the suction brush of the general vacuum cleaner ( When the driving motor 114 is rotated 100, the rotational force of the driving motor 114 is transmitted to the rotating rod 113 through the belt 115, and the brush 112 rotates dust by the rotation of the rotating rod 113. The dust and the like are collected through the suction hole 124 and the suction pipe 118 of the lower case 110 to the dust collecting chamber built in the vacuum cleaner body.

On the other hand, Figure 2 shows the state of use of the suction brush according to the prior art. Since the conventional suction brush 100 has a built-in drive motor 114 and a spiral hair brush 112, etc., the upper and lower thicknesses of the entire cleaning range are limited. That is, in order to suck the dust of the floor while moving the conventional vacuum cleaner suction brush 100, a minimum height (T) is required in structure, and the height (T) is a lower gap (such as a conventional sofa 210) 215) larger than the height (T '). Therefore, the dust removal area of the suction brush 100 is limited to at least the upper side is open, where the suction brush 100 can be moved. However, since ordinary dust is blown by a fine wind, a large amount is accumulated in the lower gap 215 such as the sofa 210, and such dust cannot be removed by a conventional vacuum cleaner, or by using a separate broom or mop, There is a problem that can be cleaned when moving the sofa, etc. when cleaning.

In addition, the relatively large weight of the drive motor 114 is mounted on the suction brush 100 by one side, so that the weight bias occurs, the user feels the weight during the cleaning operation through the suction brush 100 and accordingly inconvenient in use Problems arise.

Therefore, the present invention has been made to solve the above problems, the object of which is not only easy to clean the furniture under the sofa, bed, desk, etc., but also easy to assemble, reducing weight The present invention provides a slim suction brush of a vacuum cleaner that greatly improves the convenience of use by thinning the thickness.

In order to achieve the above object, the present invention includes an upper plate and a lower plate, and the upper plate and the lower plate are coupled by a plurality of screw members, and the lower plate is formed with an air inlet and a flat brush attached between the upper plate and the lower plate. In the suction brush of a vacuum cleaner having a neck fixing cap for coupling the brush neck to the upper and lower plates, the front edge of the lower plate extends the lower plate in the transverse direction and is directed toward the front side of the lower plate in the concave air suction passage. A plurality of air intake ownership passages are formed, and an air guide plate having a thickness thinner than that of the bottom plate is formed, and a plurality of reinforcing ribs are formed on the inner surface of the bottom plate to support the air guide plate; The front edge of the upper plate is coupled to the air induction plate of the lower plate and the support plate is thinner than the upper plate is formed extending, the inner surface of the upper plate is formed with a plurality of reinforcing ribs for fixing the support plate, the support plate of the upper plate The outer surface is to provide a slim suction brush of the vacuum cleaner, characterized in that the shock absorbing cover is integrally formed to surround the support plate.

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

That is, as shown in FIG. 3, the slim suction brush 1 of the vacuum cleaner according to the present invention includes upper and lower plates 20 and 40, and the upper and lower plates 20 and 40 have a plurality of screws. Coupled by the member (b), the brush neck 50 is connected to the extension pipe (not shown) in the center of the rear side of the upper and lower plates 20, 40 is rotatably mounted, the air provided in the lower plate 40 Inlet 42 is configured to communicate with the brush neck 50. In addition, the brush neck 50 is rotatably coupled to the upper and lower plates 20 and 40 between the upper and lower plates 20 and 40 so that the air inlet 42 of the lower plate 40 is the brush neck. Neck fixing cap 55 is guided so as to communicate with the 50 is located, the brush neck 50 is the neck member 52 and the pipe member 54 can be rotated with each other by the hook connecting pin 56. To be connected.

As shown in FIG. 5, the lower plate 40 extends the lower plate 40 in the transverse direction to the front side of the lower plate 40 from the air suction passage 43 formed in a concave linear shape. An air guide plate 47 is formed to form a plurality of air suction flow passages 45 toward the bottom, and the flat surface brush 48 is fixed to the bottom surface of the air suction flow passage 43. A plurality of concave grooves 49 are formed, and a screw hole 62 into which screws for screwing into the upper plate 20 may be formed in each of the concave grooves 49.

On the other hand, as shown in Figure 5, the air intake ownership passage 45 is formed in the plurality, the centrally located ownership passage 45a is toward the front of the lower plate 40, the sideways located side ( 45b) are each formed to be inclined to open in opposite directions to each other.

In addition, a plurality of reinforcing ribs 64 supporting the air induction plate 47 are formed on the inner surface of the lower plate 40 at regular intervals, and the air induction plate 47 is formed on both outer sides of the reinforcing ribs 64. A pair of front wheels 66 is formed on the. In addition, a plurality of annular bosses 68 are formed on both inner side surfaces of the lower plate 40 so as to enable accurate coupling when the upper plate 20 is coupled, and an outer surface of the annular boss 68. The cruciform anti-bending ribs 69 are formed respectively.

In addition, the rear side of the lower plate 40 has a structure in which the rear threaded boss 72 is formed on both sides of the brush neck 50 is formed, respectively, and the circular shaft 74 on both sides of the rear threaded boss 72. These are formed so that the cylindrical roller member 76 is rotatably fitted, and the fixing cap 78 is mounted, respectively, to constitute the rear wheels.

On the other hand, the upper plate 20 is coupled to the lower plate 40 is formed in the front edge of the support plate 22 which is opposed to the air guide plate 47 of the lower plate 40 is extended, the upper plate of the A plurality of bending grooves 23 are formed on the inner surface to firmly support plates, and grooves 24 for smoothly rotating the wheels are formed at points where the wheels of the lower plate 40 are positioned.

In addition, a screw boss 26 corresponding to each of the screw holes 62 formed in the concave groove 49 of the lower plate 40 is formed on the inner surface of the upper plate 20 so that the screw holes of the lower plate 40 are formed. When the screw member b is inserted into the screw 62, the screw member 26 is coupled to the screw boss 26, respectively. And corresponding to the annular boss 68 formed on the inner surface of the lower plate 40 is formed a circular projection 28 which can be fitted into the annular boss 68, respectively, each of the circular projections ( A reinforcing rib 29 of a crisscross shape is formed on the outer surface of the 28, and the rear screw hole 32 corresponding to the rear screw boss 72 of the lower plate 40 is formed.

In addition, the shock absorbing cover 35 made of a pvc material is formed integrally on the support plate outer surface of the upper plate 20 to surround the support plate 22.

The slim suction brush 1 of the present invention configured as described above connects the neck member 52 and the pipe member 54 to be rotatable as the hook connecting pin 56 to assemble the brush neck 50, and then The brush neck 50 is positioned between the upper and lower plates 20 and 40, and the air inlet 42 of the lower plate 40 communicates with the brush neck 50 while being rotatable using the neck fixing cap 55. After fixing the position, the upper and lower plates 20 and 40 are fixed to each other and assembled. In this case, the upper and lower plates 20 and 40 are annular bosses 68 provided with circular protrusions 28 provided on the upper plate 20 on the lower plate 40, as shown in FIG. When assembled to be inserted into the inside of the upper and lower plates 20, 40 is exactly matched, in this state, the rear screw hole 32 of the upper plate 20 and the rear screw boss 72 of the lower plate 40 To the screw boss (26) of the upper plate (20) by inserting the screw member (b) into the screw hole (62) respectively formed in the concave groove (49) of the lower plate (40). , The lower plate 20, 40 is to be assembled. And in this state, as shown in Figure 4 c) of FIG. 4, when the flat brush is mounted in the concave groove 49 of the lower plate 40, the assembling work is made simple.

The slim suction brush 1 of the present invention assembled as described above is formed with a very thin thickness of the upper and lower plates 20 and 40, as well as a separate drive motor inside the upper and lower plates 20 and 40. It is very light because it is not equipped. In addition, the air induction plate 47 and the support plate 22 formed at the front edges of the upper and lower plates 20 and 40, respectively, as shown in FIG. It is easy to enter, and due to the plurality of air intake possession 45 formed on the lower surface of the air guide plate 47, it is possible to easily remove the dust and foreign matter accumulated in the lower gap 215. In addition, the reinforcing ribs provided on the air guide plate and the support plate respectively allow the air induction plate and the support plate to have a relatively thin thickness, and the circular protrusions 28 and the boss 68 for the matching match. The reinforcing ribs 29 and 69 of the crisscross shape also prevent the circular protrusion 28 and the boss 68 from being damaged by an external impact.

As described above, according to the present invention, the upper and lower plates 20 and 40 are formed to have a thin thickness without having a separate driving motor inside the upper and lower plates 20 and 40, and the upper and lower plates 20 It is equipped with a thin air guide plate 47 and a support plate 22 extending from the front edge of the head 40 so that it can be easily cleaned under furniture such as sofas, beds, and desks. Convenience is achieved. In addition, since the upper and lower plates 20 and 40 are firmly coupled to each other using a small number of screw members (b), the assembling operation is easily performed, and the convenience of use is greatly increased by reducing the weight and thinning the thickness. An improved effect is obtained.

Claims (7)

The upper and lower plates 20 and 40 are provided, and the upper and lower plates 20 and 40 are coupled by a plurality of screw members b, and the lower plate 40 has an air inlet 42 and a flat brush. 48 is attached to the vacuum cleaner formed with a neck fixing cap 55 for coupling the brush neck 50 to the upper and lower plates 20 and 40 between the upper and lower plates 20 and 40. In the suction brush of the lower plate 40, the front edge of the lower plate 40 extends the lower plate 40 in the transverse direction concave formed in the air suction passage (43) toward the front side of the lower plate 40, the air intake ownership passage 45 A plurality of air guide plates 47 are formed, the thickness of which is thinner than the bottom plate 40, and a plurality of reinforcing ribs 64 supporting the air guide plate 47 are formed on the inner surface of the bottom plate 40. ) Is formed; The front edge of the upper plate 20 is coupled to the air induction plate 47 of the lower plate 40, the support plate 22 thinner than the upper plate 20 is formed to extend, the upper plate 20 A plurality of bending grooves 23 are formed on the inner side to firmly support the plate 22, and the shock absorbing cover 35 is integrated on the outer side of the support plate 22 of the upper plate 20 so as to surround the support plate 22. Slim suction brush of the vacuum cleaner, characterized in that formed by. According to claim 1, wherein the air intake passage 45 is formed of a plurality in the center of the solenoid passage (45a) toward the front of the lower plate 40, the side of the solenoid passage (45b) each other Slim suction brush of the vacuum cleaner, characterized in that formed inclined so as to open in the opposite direction. The slim suction brush of the vacuum cleaner of claim 1, wherein the lower plate (40) has a pair of front wheels (66) formed on the air guide plate (47) on both sides of the reinforcing ribs (64). The method of claim 1, wherein a plurality of annular bosses 68 are formed on both inner sides of the lower plate 40, and a cruciform anti-bending rib 69 is formed on the outer side of the annular bosses 68. Each of the circular protrusions 28 are formed on the inner surface of the upper plate 20 and may be fitted into the annular bosses 68, respectively, corresponding to the annular bosses 68 formed on the lower plate 40. On the other hand, the outer surface of each of the circular projections 28 is formed with a cross-shaped reinforcement ribs 29 is a vacuum cleaner, characterized in that when the upper, lower plates 20, 40 can be combined accurately Slim suction brush. According to claim 1, A plurality of concave grooves 49 are formed in the bottom surface of the lower plate 40 to form the air intake passage 43 for fixing the flat-shaped hair brush 48, the concave Inside the groove 49, a screw hole 62 into which a screw for screwing into the upper plate 20 is fitted is formed, and an inner surface of the upper plate 20 is a recessed groove of the lower plate 40. When the threaded bosses 26 corresponding to the threaded holes 62 formed in the 49 are respectively formed, the screw members b are inserted into the threaded holes 62 of the lower plate 40, respectively. Slim suction brush of the vacuum cleaner, characterized in that configured to combine. The rear plate of the lower plate 40 has a structure in which rear threaded bosses 72 are formed on both sides of the brush neck 50, respectively, and the upper plate 20 has a rear screw of the lower plate 40. A slim suction brush of a vacuum cleaner, characterized in that a rear screw hole (32) corresponding to the boss (72) is formed so that the upper and lower plates (20) and (40) are screwed together by the screw member (b). According to claim 6, On both sides of the rear threaded boss 72 of the lower plate 40 is formed with a circular shaft 74, the cylindrical roller member 76 is fitted so as to be rotatable, fixed cap 78 The slim suction brush of the vacuum cleaner, characterized in that the rear wheels are configured by being mounted on each.