JP2002306382A - Suction tool for vacuum cleaner and vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a suction chamber with a rotary brush to be washed with water and the rotary brush and the suction chamber to be cleaned usually in a clean condition in a vacuum cleaner equipped with the rotary brush facing the suction opening in the suction chamber of the suction tool main body with the suction opening on the lower face. SOLUTION: A suction chamber 42 with a downward opening is equipped in the suction tool main body. A rotary brush 45 with a brush 62 and a circumference blade 63 on the outer peripheral face is rotatably equipped in the suction chamber 42. A drive chamber 50 with a motor 43 to drive the rotary brush 45 is equipped in the main body and the suction chamber 42 and the drive chamber 50 are detachably retained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction device for a vacuum cleaner, wherein a rotary brush is rotatably provided in a suction chamber of a suction device body having a suction port opened on a lower surface so as to face the suction port, and the electric device. The present invention relates to a vacuum cleaner using a suction tool for a vacuum cleaner.

[0002]

2. Description of the Related Art Conventionally, suction devices for vacuum cleaners are shown in FIGS.
0. Hereinafter, the configuration will be described.

[0005] As shown in FIGS.
Consists of an upper case 2 constituting an upper side and a lower case 3 constituting a lower side, and forms a suction chamber 4 opened on the lower surface of the lower case 3.
Is adhered (fixed). An electric motor 6 in the suction tool main body 1;
The circuit 7, the rotating brush 8, the arm 10 connected to the communication path 9 communicating with the suction chamber 4, and the bumper 11 wound around the outer periphery of the suction tool body 1 are sandwiched by combining the upper case 2 and the lower case 3. keeping. The rotating brush 8 is provided facing the suction chamber 4.

The electric motor 6 is supported on the suction tool main body 1 via vibration-proof rubber 12 and mounted on the motor shaft 13 by attaching a pulley 14 having a tooth profile and a flange in one direction to the motor shaft 13. Motor shaft 13
Is provided, and the bearing 15 is held in the lower case 3. The circuit 7 for controlling the electric motor 6 is held at a position facing the electric motor 6, and the connecting lead 16 connecting the electric motor 6 and the circuit 7 passes through a bridge body 17 provided above the communication path 9.

The rotary brush 8 has a pulley 18 having the same tooth profile as that of the pulley 14 and a different number of teeth attached to a side end thereof, and has a flange opposite to the flange of the pulley 14. A timing belt 19 is stretched between the pulley 14 and the pulley 18 so as to transmit the power of the electric motor 6 to the rotating brush 8. Further, the rotating brush 8 is provided with a hitting protrusion 21 that protrudes in a spiral shape on a base 20 formed of a foaming resin.

The suction chamber 4 communicates with a dust collecting path 22 and a bending joint 23 of an arm 10 through a communication path 9 of the suction tool main body 1, and the arm 10 moves up and down to the rear center of the suction tool main body 1. The other end of one arm 10 has a bent joint 23 rotatably connected to the arm 10 in the circumferential direction. The other end of the bent joint 23 has a cleaner body (not shown). ) Is inserted into an extension tube (not shown) of a hose (not shown) on the side of the hose.

A plurality of connecting pin supports 24 are arranged in accordance with the positions where the bent joint 23 and the tip of the extension pipe (not shown) come, and the connecting pins 25 supported by the connecting pin supports 24 are provided.
A lead wire accommodating portion 27 is provided as a space for guiding a motor power supply lead wire 26 connected to the arm 10 to the arm 10 side. The lead wire accommodating portion 27 is covered with a removable protective cover 28.

During the cleaning operation, the rotating brush 8 rotates to separate the dust on the cleaning floor surface, and the intake air generated from the cleaner main body (not shown) passes through the dust collection path 22 and the communication path 9 to the suction chamber. 4 and the separated dust is sucked.

[0009]

In such a conventional suction device for a vacuum cleaner, when the rotary brush 8 is soiled and cleaned, the suction device main body 1 is disassembled and the rotary brush 8 is taken out. It was necessary to perform cleaning such as washing with water or removing adhering dust. However, there is a problem that the rotating brush 8 cannot be washed with water up to the suction chamber 4 even if it can be washed with water.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. A first object of the present invention is to make it possible to wash a suction chamber provided with a rotary brush with water and to keep the rotary brush and the suction chamber clean at all times. The purpose is.

It is a second object of the present invention to provide a vacuum cleaner having a rotary brush and a suction chamber which are always kept clean and provided with a clean floor suction tool.

[0012]

In order to achieve the first object, the present invention provides a rotating brush rotatably disposed in a suction chamber opened downward and having a dust scraping portion on an outer peripheral surface thereof. A suction tool for a vacuum cleaner, comprising a driving chamber provided with a rotation driving means for driving the rotating brush, wherein the suction chamber and the driving chamber are detachably held.

[0013] Thus, it is possible to remove only the suction chamber provided with the rotating brush that is soiled by the cleaning operation and wash the water, and to clean the rotating brush and the suction chamber at all times in a clean state.

According to another aspect of the present invention, there is provided a vacuum cleaner having the above-described suction device for a vacuum cleaner.

[0015] Thus, the rotary brush and the suction chamber can always be kept clean, and a vacuum cleaner having a clean floor suction tool can be provided.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a rotating brush which is rotatably disposed in a suction chamber opened downward and has a dust scraping portion on an outer peripheral surface; A drive chamber provided with a rotary drive means for driving,
A suction tool for a vacuum cleaner that detachably holds the suction chamber and the drive chamber, and separates the suction chamber provided with a rotary brush and the drive chamber provided with a rotary drive unit, and only the suction chamber that is contaminated by cleaning work. Can be removed and washed with water, and cleaning such as removal of dust can be performed. Therefore, the rotating brush and the suction chamber can be always cleaned in a clean state.

According to a second aspect of the present invention, in the first aspect of the present invention, a main power transmission unit disposed in the drive chamber and a sub power transmission unit disposed in the suction chamber are connected to each other, and the main power transmission is performed. A suction unit for a vacuum cleaner, wherein the suction unit is held by a rotary drive unit and the power of the rotary drive unit is transmitted to a rotary brush of the suction chamber, and the suction chamber and the drive chamber are configured to be easily separated. The suction chamber can be easily washed with water and cleaned.

According to a third aspect of the present invention, there is provided the vacuum cleaner suction tool according to the first or second aspect of the present invention, wherein the power transmission unit is held in accordance with the rotary brush of the suction chamber, and the suction chamber is washed with water. After cleaning, the rotating brush can be easily attached to the suction chamber, and usability can be improved.

The invention described in claim 4 is the above-mentioned claim 1-
3. In the invention described in 3, the suction device for a vacuum cleaner provided with a buckle for attaching and detaching the suction chamber and the driving chamber, wherein the suction chamber and the driving chamber can be easily attached and detached, and the suction chamber can be easily installed. It can be washed with water, and the suction tool body can be kept clean.

According to a fifth aspect of the present invention, there is provided a suction tool main body having a suction chamber opened downward, a rotary brush rotatably disposed in the suction chamber and having a dust scraping portion on an outer peripheral surface thereof, A suction device for a vacuum cleaner having a drive chamber provided with a rotation drive means for driving a rotary brush, wherein the suction tool main body and the drive chamber are detachably held, and a drive in which electric components such as the rotation drive means are incorporated. After the chamber is separated from the suction tool main body having the suction chamber and the like, the suction tool main body can be washed with water, and the suction tool main body can be kept clean.

According to a sixth aspect of the present invention, in the fifth aspect of the present invention, the main power transmission unit disposed in the drive chamber and the sub power transmission unit disposed in the suction chamber are connected to each other, and the main power transmission is performed. Is a suction device for a vacuum cleaner in which the unit is held by a rotation driving means, and the power of the rotation driving means is transmitted to a rotary brush of the suction chamber. The suction tool body can be easily washed with water and cleaned.

According to a seventh aspect of the present invention, there is provided the vacuum cleaner suction tool according to the fifth or sixth aspect of the present invention, wherein the power transmission unit is held in accordance with the rotary brush of the suction chamber. After the suction tool main body having the cleaning tool is washed with water, the rotating brush can be easily attached to the suction chamber, and the usability can be improved.

The invention described in claim 8 is the above-mentioned claim 5-
7. The suction device for a vacuum cleaner provided with a buckle for attaching and detaching the suction tool body and the drive chamber according to the invention described in 7, wherein the suction tool body and the drive chamber can be easily attached and detached. Can be easily washed with water, and the suction tool body can be kept clean.

According to a ninth aspect of the present invention, there is provided a rotary brush rotatably disposed in a suction chamber opened downward and having a dust scraping portion on an outer peripheral surface, and a rotary drive means for driving the rotary brush. A suction chamber for an electric vacuum cleaner, wherein the suction chamber has an airtight structure.Since water does not enter the drive chamber even when the suction tool is immersed in water, the suction tool body can be washed with water. Can be kept clean.

[0025] The invention according to claim 10 is the above-mentioned claim 9.
In the invention according to the invention, there is provided a suction device for a vacuum cleaner, wherein a cooling port for cooling the rotary drive means is provided, and a film body for passing a gas and blocking a liquid such as water is arranged in the cooling port to form an airtight structure. In addition, water does not intrude from the cooling port that cools the rotation driving means, the suction tool can be washed with water, and the suction tool can be kept clean.

According to the eleventh aspect of the present invention, there is provided the first aspect.
10. A vacuum cleaner using the vacuum cleaner suction tool according to any one of (10) to (10), wherein the rotary brush and the suction chamber can always be kept in a clean state, and the vacuum cleaner has a clean floor suction tool. Can be provided.

[0027]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) As shown in FIG. 5, the cleaner main body 31 has a built-in electric blower (not shown) for generating an intake air necessary for the suction tool main body 32 to collect dust at the rear portion. It has an electric blower chamber 33, a dust collection chamber 34 for collecting dust in the front, and a dust collection port 3 for communicating the dust collection chamber 34 with the outside air.
5 are arranged.

The hose 36 is formed of a soft body so that it can move flexibly, and one end of the hose 36 is connected to the dust collection port 35.
The hose hand portion 37 is provided so as to be connected to the other end of the hose 36, and has built-in electrical components for controlling the cleaner main body 31 and the suction tool main body 32.

The extension tube 37 is formed of a rigid body for connecting the hose hand portion 37 and the suction tool main body 32 and has a built-in power supply line (not shown) for supplying power to the suction tool main body 32. The dust collected from the suction tool main body 32 by the suction wind of the electric blower in the electric blower room 33 is transferred to the extension pipe 3.
8. After passing through the hose 36 and the dust collection port 35, the dust is collected in the dust collection chamber 34 of the cleaner body 31.

As shown in FIGS. 1 and 2, the suction tool main body 32 has an upper case 39 and an upper lid 40 on the upper side, and lower cases 41 and 41a on the lower side forming a bottom surface. A suction chamber 42 having an open lower surface is formed. Further, an arm 4 connected from a motor (rotation driving means) 43 in the suction tool main body 32, a control circuit 44, a rotating brush 45, and a suction passage 46 communicating with the suction chamber 42.
7 and a bumper 4 wound around the outer periphery of the suction tool main body 32
8 are an upper case 39 and lower cases 41 and 41a.
Are held by being sandwiched. The rotating brush 45 is provided facing the suction chamber 42.

The suction chamber 42 is connected to an arm (connecting cylinder) 47 and a bending joint 49 through a suction passage 46 of the suction tool main body 32.
The arm 47 is vertically movably mounted in the center of the rear part of the suction tool main body 32, and a bending joint 49 is connected to the other end of the arm 47 so as to be rotatable in the circumferential direction of the arm 47. The other end of the bending joint 49 is inserted into the extension tube 38.

The rear part of the lower case 41 forms a room divided into right and left by a suction passage 46, one of which is a driving room 50, which supports the electric motor 43 through vibration-proof rubber 51 in a vibration-proof manner. , A pulley 52 having a tooth profile is held, and an intermediate intermediate pulley 53 meshing with the pulley 52 is attached to the pulley 52 to form a main power transmission portion 54.

A connecting lead wire 55 for connecting the electric motor 43 and the control circuit 44 is located on a bridge body 56 located above the suction passage 46 and provided in front of the arm 47. Also, near the four corners of the lower cases 41 and 41a,
A roller 57 is provided to prevent the lower case 41, 41a from directly contacting the cleaning floor surface and not to damage the cleaning floor surface.

The rotary brush 45 has, at one end thereof, a driven power transmission portion 58 having the same tooth shape as the pulley 52 and having a different number of teeth. The main power transmission unit 54 and the sub power transmission unit 58 formed by the pulley 52 and the intermediate pulley 53 are meshed by gears, and the power of the electric motor 43 is transmitted to the rotary brush 45.

The rotating brush 45 includes a rod-shaped rigid base 59 formed of aluminum or a foamed resin, a groove 60 that opens toward the outer periphery of the base 59 and extends in the longitudinal direction of the base 59, A bristle brush (dust scraping part) 62 which is inserted and attached to the floor 60 and has a role of wiping on a floor or the like, and a role of a function which is inserted and attached to the groove 60 and peels dust from the carpet pile. And a bristle brush 62 and a peripheral blade 63 are alternately arranged.

The bearing 64 supports one end of a base 61 composed of a base 59 and a groove 60 so that the rotating brush 45 can freely rotate in the suction chamber 42. A bearing 65 is also provided at the end to support the rotating brush 45 to rotate freely.

The suction chamber 42 and the driving chamber 50 are connected to each other by a claw 66 and a buckle of the push button portion a. At the time of connection, the main power transmission unit 54 and the sub power transmission unit 58 are connected by gears, and transmit the power of the electric motor 43 to the rotating brush 45.

As another method of transmitting power to the rotary brush 45, as shown in FIG. 3, power is transmitted from the main power transmission section 54 on the drive chamber 50 side by a belt 67 having a gear shape on both sides. The belt 6 is connected to the sub power transmission portion 58.
7 using the front side (outside). This makes it possible to reduce noise as compared with the case where metal and resin gears are used.

As another method, as shown in FIG. 4, a main power transmission portion 54 and a sub power transmission portion 58 are formed by rollers 68. The roller 68 is mainly formed of rubber, resin, metal, or the like, and is configured to transmit power by pressure contact. This makes it possible not only to reduce noise, but also to cause an excessive impact by causing a slip between the main power transmission unit 54 and the sub power transmission unit 58 even when the rotating brush 45 is locked during cleaning. There is no fear of transmission, and there is no problem such as breakage of gears.

The operation of the above configuration will be described. In order to clean the cleaning floor, the cleaner main body 31 is operated, and when suction air flows through the suction tool main body 32, the hose 36 and the extension pipe 38 are moved.
Outside air flows from the suction chamber 42 through the suction chamber 42. The power from the cleaner body 31 is supplied to the control circuit 44 through the extension pipe 38.
To the electric motor 43, the electric motor 43 rotates, the main power transmission unit 54 is driven to drive the sub power transmission unit 58, and the rotational force is transmitted to the rotating brush 45.

As the rotary brush 45 in the suction chamber 42 rotates, dust on the floor surface is separated by the bristle brush 62 and the peripheral blade 63, and is collected by the suction air flowing into the suction chamber 42. Dust is collected in the main body 31.

After the cleaning is completed, dust and dirt from the floor surface adhere to the rotating brush 45. Conventionally, in order to separate them, they have been removed by hand or only the rotating brush has been taken out and washed with water or the like. However, at present, the suction chamber 42 cannot be cleaned even if the rotary brush 45 can be cleaned.

In the present embodiment, the drive chamber 50 and the suction chamber 42 are configured to be separable, and since the suction chamber 42 does not hold electric components such as the electric motor 43, only the suction chamber 42 can be washed with water. Since cleaning such as removal can be performed, the rotating brush 45 and the suction chamber 42 can always be cleaned in a clean state.

The main power transmission unit 54 disposed in the drive chamber 50 and the sub power transmission unit 58 disposed in the suction chamber 42 are connected, and the main power transmission unit 54 is held by the electric motor 43.
Since the power of 0 is transmitted to the rotary brush 45 of the suction chamber 42, the suction chamber 42 and the drive chamber 50 can be easily separated from each other, and the suction chamber 42 can be easily washed with water and cleaned. be able to.

Further, since the power transmission unit 58 is held by the rotary brush 45 of the suction chamber 42, the rotary brush 45 can be easily mounted on the suction chamber 42 after the suction chamber 42 has been washed with water and cleaned. Usability can be improved.

Since a buckle is provided for attaching and detaching the suction chamber 42 and the drive chamber 50, the suction chamber 42 and the drive chamber 50 are provided.
Can be easily attached and detached, the suction chamber 42 can be easily washed with water, and the suction tool main body 32 can be kept clean.

Further, by connecting the suction tool main body 32 to the cleaner main body 31 via the extension pipe 38 and the hose 36, the rotary brush 45 and the suction chamber 42 can be always kept in a clean state, and a clean floor suction can be obtained. The vacuum cleaner provided with the tool can be provided.

(Embodiment 2) As shown in FIG. 6, the suction tool main body 32a has a suction chamber 42 having a rotary brush 45 at the front.
The suction chamber 42 has a suction passage 46 at the rear of the rotary brush 45 and a drive chamber 50a near the suction passage 46. The drive chamber 50a is formed detachably from the suction tool main body 32a. The electric motor 43 is electrically connected by connectors 70a and 70b, and the drive chamber 50a is attached to and detached from the suction tool main body 32a by a buckle (both not shown) constituted by a claw and a push button.

The connector 70b has a hermetically sealed structure to prevent intrusion of liquid such as water, and has a structure in which electrical connection is made only when the drive chamber 50a is mounted. The drive room 50a also holds electrical components of the control circuit 71 built in the electric motor 43. The other configuration is the same as that of the first embodiment, and the same reference numerals are given and the description is omitted.

The operation of the above configuration will be described. If the inside of the suction chamber 42 and the rotary brush 45 are contaminated after cleaning in the same manner as in the first embodiment, the drive chamber 50a containing the electric components such as the electric motor 43 is moved from the suction tool body 32a to the suction chamber 42 and the suction passage. After being separated from the suction tool main body 32a having 46 or the like, the suction tool main body 32a can be washed with water, and the suction tool main body 32a can be kept clean.

Further, the main power transmission unit 54 disposed in the drive chamber 50a and the sub power transmission unit 58 disposed in the suction chamber 42 are connected, and the main power transmission unit 54 is held by the electric motor 43, so that the power of the drive chamber 50a is Is transmitted to the rotary brush 45 of the suction chamber 42, so that the suction tool body 32a having the suction chamber 42, the suction passage 46, and the like can be easily separated from the drive chamber 50a. The main body 32a can be easily washed with water and cleaned.

Further, since the power transmission portion 58 is held by the rotary brush 45 of the suction chamber 42, the suction brush main body 32a having the suction chamber 42, the suction passage 46 and the like is washed with water, and then the rotary brush 45 is sucked. It can be easily mounted in the chamber 42, and the usability can be improved.

Also, since a buckle for attaching and detaching the suction tool main body 32a and the drive chamber 50a is provided, the suction tool main body 32a is provided.
a and the drive chamber 50a can be easily attached and detached, the suction tool main body 32a can be easily washed with water, and the suction tool main body 32a can be kept clean.

(Embodiment 3) As shown in FIG. 7, the suction tool main body 32b has a suction passage 46 in the center of the inside and a drive chamber 50b near the suction passage 46. Here, the driving room 50b
Has an airtight structure, and holds the electric motor 43 and electric components of a control circuit 71 built in the electric motor 43. The electric motor 43 is provided with a main power transmission unit 54, and the rotary brush (not shown) is provided with a sub power transmission unit (not shown), and a belt (not shown) or a belt (not shown) is provided between them. They are connected in the described configuration.

Here, in order to prevent the temperature of the electric motor 43 from rising when the suction tool main body 32b is operated and to prevent the performance and the life from being shortened, the suction tool main body 32b is provided with a cooling port 72 for cooling the motor 43. I have. In order to prevent water from entering from the cooling port 72, as an example, a film body 73 that blocks water through air is attached. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When the inside of the suction chamber and the rotating brush become dirty after cleaning in the same manner as in the first embodiment, the suction tool main body 32b can be kept clean by washing it with water.
At this time, since the drive chamber 50b is configured to be airtight, even if the suction tool main body 32b is immersed in water, no water enters the drive chamber 50b, so that the suction tool main body can be washed with water.

Further, since a film 73 for passing a gas and blocking a liquid such as water is disposed in the cooling port 72 to be air-tight, water may enter from the cooling port 72 for cooling the electric motor 43. In addition, the suction tool main body 32b can be washed with water, and can be kept clean.

[0059]

As described above, according to the present invention, the suction chamber provided with the rotating brush of the suction tool for a vacuum cleaner can be washed with water, and the rotating brush and the suction chamber can be always kept clean. It is possible to provide a vacuum cleaner having a clean vacuum cleaner suction tool.

[Brief description of the drawings]

FIG. 1 is an exploded sectional view of a suction tool for a vacuum cleaner according to a first embodiment of the present invention.

FIG. 2 is a partially cutaway side view of the vacuum cleaner suction tool.

FIG. 3 is a partially cutaway side view of another example of the vacuum cleaner suction tool.

FIG. 4 is a partially cutaway side view of another example of the vacuum cleaner suction tool.

FIG. 5 is an exploded perspective view of the vacuum cleaner having the vacuum cleaner suction tool.

FIG. 6 is an exploded sectional view of a suction device for a vacuum cleaner according to a second embodiment of the present invention.

FIG. 7A is a top view of a suction device for a vacuum cleaner according to a third embodiment of the present invention. FIG. 7B is a sectional view taken along line AA of FIG.

FIG. 8 is a side sectional view of a conventional floor suction device for a vacuum cleaner.

FIG. 9 is a sectional view of the floor suction device for the vacuum cleaner.

FIG. 10 is a bottom view of the floor suction tool for the vacuum cleaner.

[Explanation of symbols]

 31 Vacuum cleaner main body 32 Suction tool main body 42 Suction chamber 43 Electric motor (rotary driving means) 45 Rotary brush 46 Suction passage 47 Arm (connecting cylinder) 50 Drive chamber 62 Hair brush (dust scraping part) 63 Peripheral blade (dust scraping part) )

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) 3B061 AD05 AE11 AE13 AH04

Claims (11)

[Claims] A driving chamber provided with a rotary brush rotatably disposed in a suction chamber opened downward and having a dust scraping portion on an outer peripheral surface thereof; and a rotary driving means for driving the rotary brush. A suction device for a vacuum cleaner that detachably holds a suction chamber and a drive chamber. 2. A main power transmission unit disposed in a drive chamber and a sub power transmission unit disposed in a suction chamber are connected to each other, and the main power transmission unit is held by rotary drive means, and the power of the rotary drive means is transferred to the suction chamber. The suction tool for a vacuum cleaner according to claim 1, wherein the suction tool transmits the rotation to the rotating brush. 3. The suction tool for a vacuum cleaner according to claim 1, wherein the power transmission unit is held by a rotary brush in the suction chamber. 4. The suction tool for a vacuum cleaner according to claim 1, further comprising a buckle for attaching and detaching the suction chamber and the driving chamber. 5. A suction tool main body having a suction chamber opened downward, a rotary brush rotatable in the suction chamber and having a dust scraping portion on an outer peripheral surface, and a rotation drive means for driving the rotary brush. A suction chamber for a vacuum cleaner, comprising: a driving chamber, wherein the suction tool body and the driving chamber are detachably held. 6. A main power transmission unit disposed in a drive chamber and a sub power transmission unit disposed in a suction chamber are connected to each other, and the main power transmission unit is held by rotary drive means, and the power of the rotary drive means is supplied to the suction chamber. The suction tool for a vacuum cleaner according to claim 5, wherein the suction tool transmits the rotation brush to the rotating brush. 7. The suction tool for a vacuum cleaner according to claim 5, wherein the power transmission unit is held by a rotary brush in the suction chamber. 8. The suction tool for a vacuum cleaner according to claim 5, further comprising a buckle for attaching and detaching the suction tool body and the driving chamber. 9. A drive chamber provided rotatably in a suction chamber opened downward and having a dust scraping portion on an outer peripheral surface, and a drive chamber provided with rotation drive means for driving the rotary brush. Vacuum cleaner suction tool with airtight drive chamber. 10. A vacuum cleaner according to claim 9, wherein a cooling port for cooling the rotary drive means is provided, and a film body for passing a gas and blocking a liquid such as water is disposed in the cooling port to be airtight. Suction implement. 11. A vacuum cleaner using the vacuum cleaner suction tool according to any one of claims 1 to 10.