JP2002238815A - Suction implement for vacuum cleaner, and vacuum cleaner using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To keep a rotating brush clean by allowing the rotating device to be detached from a suction implement body and cleaned by removing a cover body in a suction implement for a vacuum cleaner provided with the rotating brush rotated by a motor. SOLUTION: The suction implement body 18 has a suction port 27 opened to the lower face, and the rotating brush 19 is disposed inside the suction implement body 18 so as to face the suction port 28. The rotating brush 19 has the motor 30 for rotationally driving the rotating brush 19, and a terminal 49a connected to the motor 30, inside a nearly cylindrical brush holder 28 provided with a brush 29 at the outer peripheral surface. A terminal 49b connectable to the terminal 49a is disposed at one end of the suction implement body 18, and the rotating brush 19 is made detachable.

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 having a rotating brush rotated by an electric motor and a vacuum cleaner using the same.

[0002]

2. Description of the Related Art Conventionally, this type of suction device for a vacuum cleaner has
The configuration was as shown in FIG. Hereinafter, the configuration will be described.

[0003] As shown in the figure, a suction tool main body 1 includes a rotating brush 2 for releasing dust adhering to a surface to be cleaned such as a carpet.
, A suction port is provided on the bottom surface, and a connection pipe 3 communicating with a cleaner body (not shown) is rotatably provided at a rear portion. The bristle 4 is implanted on the outer peripheral surface of the rotating brush 2,
An electric motor 5 which is a driving source of the rotating brush 2, a planetary gear 6 mounted on the shaft of the electric motor 5, and reduces the rotation and transmits the rotation to the rotating brush 2, and is arranged between the electric motor 5 and the planetary gear 6. And a supporting member 7 provided therein.

The supporting member 7 is fixed to the electric motor 5 by a plurality of screws 8, and a groove 9 is formed on an end face of the supporting member 7, which is in contact with the electric motor 5, to improve ventilation from cooling holes provided in the electric motor 5 to improve heat radiation. The other end face is fitted to the inner ring 10 of the planetary gear 6 and covers the surface of the planetary gear 6. In addition, a key groove (not shown) is provided on the inner peripheral surface of the rotating brush 2, and a convex portion (not shown) projecting from the outer ring of the planetary gear 6 is fitted into the key groove, and a concave portion is formed. The cooling air flow path is formed in the axial direction. A lid 12 having a bearing 11 is attached to the opening at both ends of the rotating brush 2.

[0005] The fixed shaft 13 is formed in a hollow shape, one end of which is protruded to the side of the rotary brush 2, rotatably supports the rotary brush 2 via a bearing 11, and a lead wire connected to the electric motor 5 has a hollow portion. The other end is formed in a cylindrical shape and disposed inside the rotating brush 2 to support the outer periphery of the electric motor 5. The fixed covers 14 are attached to both ends of the rotating brush 2 to prevent dust from entering the rotating brush 2 and the bearing 11.

The rotary brush 2 is supported by the suction tool main body 1 via the fixed cover 14 and the fixed shaft 13, and a rotary brush 2 is provided at a substantially central portion of the rotary brush 2 opposed to the suction port 15 of the connection pipe 3. A plurality of ventilation holes 16 communicating between the inside and the outside of 2 are formed. The leak hole 17 allows the outside air for cooling the electric motor to communicate with the inside of the rotating brush 2 through the hollow portion of the fixed shaft 13, and is formed on the side surface of the suction tool main body 1.

The operation of the above construction will be described. When the main body 1 and the main body of the cleaner are energized, the electric motor 5 rotates.
The rotating torque is increased while being reduced by the planetary gear 6 and transmitted to the rotating brush 2 so that the brush bristles 4 scrape out dust attached to the carpet or the like, and the scraped-out dust is sucked into the cleaner body. At this time, what is rotated by the electric motor 5 is the planetary gear 6, the rotating brush 2 and the lid 1.
The motor 5, the fixed shaft 13, the fixed cover 14, and the lead wires are fixed and held to the suction tool main body 1 only by the outer ring 2 and the bearing 11.

When the cleaner body is operated, a negative pressure is applied to a space surrounded by the suction tool body 1 and the floor, and outside air flows in from the outer periphery of the suction tool body 1 so that the suction port 15 of the connection pipe 3 is opened.
, And the dust on the floor is also sucked into the air inlet 15 by this air flow.

At this time, since a negative pressure also acts on the vicinity of the ventilation hole 16 inside the rotary brush 2 through the ventilation hole 16 provided opposite to the suction port 15, the suction tool is inserted through the hollow fixed shaft 13 and the leakage hole 17. A pressure difference is generated between the outside of the main body 1 and a side portion of the rotating brush 2 that is communicated with the outside, and the outside air flows into the inside of the rotating brush 2 through the hollow portion of the fixed shaft 13 through the leak hole 17 and rotates. A recess 2a provided around the electric motor 5 of the brush 2
, And flows toward the air hole 16, and flows out from the air hole 16 toward the air inlet 15 having a lower pressure than the inside of the rotating brush 2.

[0010]

In such a conventional configuration, while cleaning the carpet and the floor surface, hair, cotton dust and the like are entangled in the rotating brush 2. In order to remove these debris, an attached gap nozzle was used or a finger was used to remove the dust. In addition, the surface of the rotating brush 2 is also stained with dust or the like. In this case, the surface is wiped off with a rag or the like. However, the range of the rotary brush 2 that can be cleaned from the opening of the suction tool main body 1 is small, making it difficult to clean.

Further, since the electric motor 5 and the speed reducer 7 are built in the rotary brush 2, the rotary brush 2 cannot be disassembled without using a tool, and washing with water is also prohibited.

An object of the present invention is to solve the above-mentioned conventional problems, and it is a first object of the present invention to remove a rotating brush from a suction tool main body so that the rotating brush can be cleaned, so that the rotating brush can be kept clean.

It is a second object of the present invention to provide a vacuum cleaner having a suction tool main body capable of maintaining the rotating brush clean.

[0014]

According to the present invention, in order to achieve the first object, a rotary brush for scraping dust on a surface to be cleaned is rotatably arranged in a suction tool main body. A brush holder having a substantially cylindrical shape provided with a dust scraper on an outer peripheral surface, an electric motor arranged in the brush holder and rotating the brush holder, and an electric motor extending in a rotation axis direction of the electric motor and having one end at one end side. And a terminal provided on the other end side of the support and provided with a support portion for the suction tool main body, and a terminal disposed on the other end side of the support and electrically connected to the electric motor. Forming a mounting portion for detachably mounting the support portion of the support, providing a terminal for electrical connection with a terminal of the support in the mounting portion, and mounting the brush holder on the suction tool body. Electric sweeper with removable lid to maintain It is a machine for the suction tool.

Thus, by removing the lid,
Since the rotating brush can be removed for cleaning, the rotating brush can be kept clean.

According to a second aspect of the present invention, there is provided a vacuum cleaner main body including a dust collecting chamber for collecting dust therein and an electric blower for achieving the second object. It is a vacuum cleaner provided with a connection port connected to communicate with the vacuum cleaner suction tool.

Thus, it is possible to provide a vacuum cleaner having a suction tool main body capable of maintaining the rotating brush clean.

[0018]

According to the first aspect of the present invention, a rotary brush for scraping dust on a surface to be cleaned is rotatably disposed in a suction tool main body, and the rotary brush has an outer peripheral surface. A substantially cylindrical brush holder with a dust scraper
A motor disposed in the brush holder for rotating the brush holder, a support extending in the rotation axis direction of the motor, supporting the motor at one end, and providing a support for the suction tool main body at the other end. A body, a terminal disposed on the other end side of the support, and having a terminal electrically connected to the electric motor, wherein the suction tool main body has a mounting portion for detachably mounting a support portion of the support, A suction device for a vacuum cleaner, wherein a terminal for electrically connecting to a terminal of the support is provided in the mounting portion, and a removable lid for maintaining the brush holder in a mounted state is provided in the suction device main body. By removing the body, the rotating brush can be easily removed and cleaned, so that the rotating brush can be kept clean, and the rotating brush can be easily removed, so that usability can be improved.

According to a second aspect of the present invention, in the first aspect of the present invention, a holding member for rotatably holding the rotating brush is provided at the other end of the brush holder opposite to the supporting member. The holder main body is provided with a holder mounting portion for detachably mounting the holder, and the suction tool main body is provided with a removable lid for covering the holder mounting portion and maintaining the brush holder in a mounted state. By removing the lid, the rotating brush can be easily removed and cleaned, so that the rotating brush can be kept clean, and the usability can be improved because the rotating brush can be easily removed. .

According to a third aspect of the present invention, in the first aspect of the present invention, an electric motor is arranged coaxially inside the rotary brush, and a cooling air intake port provided at an end of the electric motor; A suction device for a vacuum cleaner that holds a breathable and water-impermeable membrane at the exhaust port that discharges cooling air provided in the brush holder, and removes the rotating brush removed from the suction device body into water. Even if it is immersed, water does not enter the inside of the rotating brush due to the film, so that the rotating brush can be washed with water and can be kept clean.

According to a fourth aspect of the present invention, in the first aspect of the present invention, a rotary lid having a rotary shaft fixed to an end of the brush holder is provided, and a shutter is integrally provided on the rotary lid. A suction device for a vacuum cleaner configured to close an exhaust port for discharging cooling air provided in the brush holder by rotating a rotary lid, and a cooling device provided in the brush holder by rotating the rotary lid. Since the exhaust port that discharges the wind can be closed, water can be prevented from entering through the exhaust port, and the rotating brush can be washed with water and can be kept clean.

According to a fifth aspect of the present invention, in the first aspect of the present invention, a shutter is provided on the inner surface of the brush holder, the shutter moving in the axial direction, and the cooling provided on the brush holder by moving the shutter. A suction device for a vacuum cleaner that is configured to close the exhaust port that discharges the wind.By moving the shutter, the exhaust port that discharges the cooling air provided on the brush holder can be closed, so that water enters from the exhaust port. The rotating brush can be washed with water and kept clean.

According to a sixth aspect of the present invention, in the first aspect of the present invention, the brush holder has a valve body for opening an exhaust port provided in the brush holder for discharging cooling air when the rotary brush rotates. When the rotating brush is stopped, the valve body is closed.When the rotating brush is removed from the suction tool body, water flows from the exhaust port into the rotating brush. Does not enter,
The rotating brush can be washed with water and kept clean.

According to a seventh aspect of the present invention, in the first aspect of the present invention, a cooling air intake port provided at an end of the electric motor is opened when the internal pressure inside the brush holder becomes lower than the atmospheric pressure. A suction device for a vacuum cleaner that has a valve that guides cooling air and that has a breathable and water-impermeable membrane at an exhaust port that discharges cooling air. When the rotating brush is removed from the suction tool body, water flows into the rotating brush from the suction port because the internal pressure inside the brush holder does not fall below the atmospheric pressure and the valve that guides the cooling air is closed. No water enters the inside of the rotating brush from the exhaust port due to the membrane, so the rotating brush can be washed with water,
It can be kept clean.

According to an eighth aspect of the present invention, in the first aspect of the present invention, a cooling air intake port provided at an end of the electric motor is opened when the internal pressure inside the brush holder becomes lower than the atmospheric pressure. A valve for guiding cooling air is provided, and a rotating lid having a rotating shaft fixed to an end of the brush holder is held. A shutter is provided integrally with the rotating lid, and the brush is rotated by rotating the rotating lid. It is a suction tool for a vacuum cleaner configured to close an exhaust port for discharging cooling air provided in the holder, and when the rotating brush is stopped, the internal pressure inside the brush holder does not drop below the atmospheric pressure, Because the valve that guides the cooling air is closed, when the rotating brush is removed from the suction tool body, no water enters the rotating brush from the intake port, and the shutter rotates the rotating brush from the exhaust port. Since the interior of not enter water, it is possible to wash the rotary brush can be kept clean.

According to a ninth aspect of the present invention, in the first aspect of the present invention, an opening is formed in a cooling air intake port provided at an end of the electric motor when the internal pressure inside the brush holder becomes lower than the atmospheric pressure. A valve for guiding cooling air is provided, and a shutter that moves in the axial direction is provided on the inner surface of the brush holder, and an exhaust port that discharges cooling air provided to the brush holder by moving the shutter is closed. When the rotating brush is stopped, the internal pressure inside the brush holder does not fall below the atmospheric pressure, and the valve for guiding the cooling air is closed. In the state removed from the tool body,
Water does not enter the inside of the rotating brush from the intake port, and water does not enter the inside of the rotating brush from the exhaust port by the shutter, so the rotating brush can be washed with water,
It can be kept clean.

[0027] The invention described in claim 10 is the first invention.
In the invention described in the above, with a cooling air intake port provided at the end of the electric motor, a valve that opens and guides the cooling air when the internal pressure inside the brush holder is lower than the atmospheric pressure is disposed,
A brush holder, which is a suction device for a vacuum cleaner provided with a valve body that opens an exhaust port for discharging cooling air provided in the brush holder when the rotating brush rotates, and the brush is provided when the rotating brush is stopped. The internal pressure inside the holder does not drop below the atmospheric pressure, and the valve that guides the cooling air is closed, so when the rotating brush is removed from the suction tool body,
Water does not enter the inside of the rotating brush from the intake port, and water does not enter the inside of the rotating brush from the exhaust port due to the valve body, so the rotating brush can be washed with water and can be kept clean. .

[0028] The invention according to claim 11 is the invention according to claim 1.
The suction device for a vacuum cleaner according to the invention described in the above, wherein the motor for rotating and driving the rotating brush is detachably provided in the brush holder, and the motor is removed from the brush holder with the rotating brush removed from the suction device body. By removing the brush holder, only the brush holder can be used, can be easily washed with water, and can be kept clean.

[0029] The invention described in claim 12 is the above-described claim 1.
In the invention described in the above, a valve membrane that opens when the internal pressure inside the brush holder falls below the atmospheric pressure and guides the cooling air is disposed at the cooling air intake port provided at the end of the motor, A suction device for a vacuum cleaner that has a breathable and water-impermeable membrane at the exhaust port that discharges, and when the rotating brush is stopped, the internal pressure inside the brush holder drops below atmospheric pressure Since the valve membrane that guides the cooling air is closed without water, when the rotating brush is removed from the suction tool main body, water does not enter the interior of the rotating brush from the intake port, and the membrane body causes Since water does not enter the inside of the rotating brush, the rotating brush can be washed with water and can be kept clean.

[0030] The invention of claim 13 provides the above-mentioned claim 1.
In the invention described in the above, a valve membrane that opens when the internal pressure inside the brush holder falls below the atmospheric pressure and guides the cooling air is disposed at the cooling air intake port provided at the end of the motor, A rotating lid having a rotating shaft fixed to an end is held, a shutter is integrally provided on the rotating lid, and an exhaust port for discharging cooling air provided on the brush holder is closed by rotating the rotating lid. When the rotating brush is stopped, the internal pressure inside the brush holder does not drop below the atmospheric pressure, and the valve membrane for guiding the cooling air is closed. When the rotating brush is removed from the suction tool body, water does not enter the rotating brush from the intake port and water does not enter the rotating brush from the exhaust port due to the shutter. It is possible to wash, it is possible to clean and maintain.

The fourteenth aspect of the present invention is the first aspect of the present invention.
In the invention described in the above, a valve membrane that opens when the internal pressure inside the brush holder falls below the atmospheric pressure and guides the cooling air is disposed at the cooling air intake port provided at the end of the motor, A suction tool for a vacuum cleaner configured to provide a shutter that moves in the axial direction on the inner surface and to close an exhaust port that discharges cooling air provided in the brush holder by moving the shutter, and the rotating brush stops. When the rotating brush is removed from the suction tool body, the internal pressure inside the brush holder does not fall below the atmospheric pressure and the valve membrane that guides the cooling air is closed. Water does not enter inside, and the shutter does not allow water to enter inside the rotating brush from the exhaust port, so the rotating brush can be washed with water and kept clean. It can be.

[0032] The invention according to claim 15 provides the above-mentioned claim 1.
In the invention described in the above, a valve membrane that opens and guides the cooling air when the internal pressure inside the brush holder falls below the atmospheric pressure is disposed at the cooling air intake port provided at the end of the electric motor, and the brush holder is A suction device for a vacuum cleaner provided with a valve body that opens an exhaust port for discharging cooling air provided in the brush holder when the rotating brush rotates, and when the rotating brush is stopped, the suction device inside the brush holder is Since the internal pressure does not drop below the atmospheric pressure and the valve membrane that guides the cooling air is closed, water does not enter the rotary brush from the suction port when the rotary brush is removed from the suction tool body, and Because the water does not enter the inside of the rotating brush from the exhaust port by the valve body, the rotating brush can be washed with water,
It can be kept clean.

[0033] The invention according to claim 16 is provided with a suction tool main body having a suction port opened on a lower surface, and a rotary brush rotatably provided in the suction tool main body so as to face the suction port. The brush has a substantially cylindrical brush holder provided with a dust scraper on an outer peripheral surface, an electric motor disposed in the brush holder to rotationally drive a rotating brush, and a terminal connected to the electric motor, A terminal that can be connected to the terminal is provided at one end of the suction tool main body, and a lid that holds the rotating brush is provided at the other end, the rotating brush is detachably held, and a cooling device is provided at an end of the electric motor. A suction device for a vacuum cleaner that holds a breathable and water-impermeable membrane at a wind intake port, seals the electric motor to prevent water from entering, and rotates by removing a lid. Remove the brush easily and clean it Here, since the membrane that has air permeability and does not allow water to pass through the cooling air intake port provided at the end of the motor and seals the motor to prevent water from entering, The rotating brush can be washed with water and kept clean.

According to the seventeenth aspect of the present invention, there is provided the first aspect of the invention.
In the invention described in 6, the cooling air intake port provided at the end of the electric motor is provided with a valve that opens and guides the cooling air when the internal pressure inside the brush holder becomes lower than the atmospheric pressure. This is a vacuum cleaner suction device that prevents water from entering by sealing.When the rotating brush is stopped, the internal pressure inside the brush holder does not drop below atmospheric pressure, and the valve that guides the cooling air is closed. Therefore, when the rotating brush is removed from the suction tool body, water does not enter the inside of the rotating brush from the suction port, and the motor is sealed to prevent water from entering. It can be washed in water and kept clean.

The invention according to claim 18 is the first invention.
In the invention described in Item 6, a valve membrane that opens and guides the cooling air when the internal pressure inside the brush holder becomes lower than the atmospheric pressure is disposed at a cooling air intake port provided at an end of the electric motor, Is a suction device for a vacuum cleaner that prevents water from entering by sealing.When the rotating brush is stopped, the internal pressure inside the brush holder does not fall below atmospheric pressure, and the valve membrane that guides cooling air is When the rotating brush is removed from the suction tool body because it is closed, water does not enter the inside of the rotating brush from the suction port, and the motor is sealed to prevent water from entering. The brush can be washed with water and kept clean.

According to a nineteenth aspect of the present invention, there is provided a suction tool body having a suction port opened on a lower surface, and a rotary brush rotatably provided in the suction tool body so as to face the suction port. The brush has a substantially cylindrical brush holder provided with a dust scraping portion on an outer peripheral surface, and an electric motor disposed on the suction tool main body and driving the brush holder to rotate, and the rotary brush is provided on the suction tool main body. Is a suction device for a vacuum cleaner that has a lid for holding the brush holder and detachably holds the brush holder. By removing the lid, only the brush holder can be easily removed, and the brush holder can be washed with water. Can be kept clean.

According to a twentieth aspect, in the first aspect,
9. The suction device for a vacuum cleaner according to claim 9, wherein an outer peripheral portion of an electric motor arranged on the suction device main body and rotating and driving the brush holder is covered with a cylindrical power tube, and the brush holder is cleaned by washing with water. In addition, since the motor is protected by the power cylinder, the motor is not damaged.

According to a twenty-first aspect of the present invention, a vacuum cleaner body having an electric blower therein is connected so as to communicate with the vacuum cleaner suction tool according to any one of the first to twentieth aspects. Vacuum cleaner with a connection port that can keep the rotating brush clean and can remove dust adhering to the dust scraping part by washing with water, increasing the dust scraping force of the dust scraping part In addition, dust collection performance can be improved.

[0039]

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

(Embodiment 1) As shown in FIGS. 1 and 2, the suction tool main body 18 has a built-in rotary brush 19 for releasing dust adhering to a surface to be cleaned such as a carpet, and is connected to an extension pipe 20 at the rear. Is provided rotatably.
The cleaner main body 22 includes a dust collecting chamber 23 for collecting dust therein and an electric blower 24. A hose 26 connected to the extension pipe 20 is connected to a connection port 25 provided in the cleaner main body 22. The connecting body 21 of the suction tool main body 18 is configured to communicate with the connection port 25.

The rotary brush 19 is rotatably provided in the suction tool main body 18 so as to face a suction port 27 opened on the lower surface of the suction tool main body 18. This rotating brush 19 is AB
A plurality of brushes 29 constituting a dust scraping portion are provided on the outer peripheral surface of a substantially cylindrical brush holder 28 made of a thermoplastic resin such as S, polystyrene, polypropylene or the like.

The dust scraper may be a thin plate-shaped blade, a strip having a wiping effect (for example, a cloth strip), or an appropriate combination of these, in addition to the brush 29.

As shown in FIG. 1, an electric motor 3 for rotatingly driving the rotating brush 19 is provided inside the brush holder 28.
0, a reduction gear 31 for reducing the rotation speed of the electric motor 30, a reduction gear 31 and the like are incorporated. Here, the rotating brush 19
Has a built-in electric motor 30, a reduction gear 31 and the like, and has a diameter of 26 mm to 43 mm based on the torque of the electric motor 30 and the performance of scraping up dust at the tip of the brush 29 on the outer peripheral surface.
mm.

The motor 30 is composed of a commutator motor, and is provided with a motor board 33 on which a rectifier for rectifying a commercial power supply voltage and a noise suppressor are mounted. The motor board 33 is connected to the cleaner body 22 through the connecting body 21. Connected lead wire 34
And is configured to be driven by a rectified voltage of the commercial power supply voltage. Here, the rotation speed of the electric motor 30 is
Since rotation is transmitted to the brush holder 28 via the reduction gear 31, the rotation speed is set to 3000 r / min to 15000 r / min. 3000 r / min ~ 1 when cleaning carpet
2000 r / min is preferred.

The speed reducer 31 is constituted by a planetary gear and connects the output shaft 36 of the electric motor 30 to reduce the rotational speed of the electric motor 30. Here, the reduction ratio of the reduction gear 31 is 1/3 to
1/9 (preferably, 1/5 to 1/7). The sound insulation cylinder 37 covers the outer periphery of the reduction gear transmission 31 and shields sound. The motor 30 is held and fixed via the sound insulation tube 37, the motor 30 and the reduction gear 31 are integrally connected, and a buffer 47 is fitted to the output shaft 36. Bearing part 3
9 is a speed reducer 31 integrally connected to the electric motor 30
Are supported by the brush holder 28, the inner ring is fixed to the small diameter portion of the reduction gear 31, and the outer ring is supported by the bearing support 41 of the brush holder 28.

On the commutator side (not shown) of the electric motor 30,
A hollow shaft 42 having a hollow inner diameter and supporting the electric motor 30 integrally connected to the reduction gear 31 is fixed. This hollow shaft 42 is made of aluminum alloy, carbon steel (S45
C) It is made of a material that is difficult to deform such as industrial plastic and has an inner diameter of about 13 mm so that cooling air can be introduced smoothly. A bearing 43 is attached to the hollow shaft 42.
Are fixed, and the outer ring is supported by a cap 44 fixed to the end of the brush holder 28.

The cushioning material 47 is formed of rubber, elastomer, or the like. The cushioning material 47 is engaged with the bearing support portion 41 formed on the inner surface of the brush holder 28, and the elasticity of rubber, elastomer, or the like causes the mutual tooth shape to be reduced. Is used to buffer the meshing sound. The hole 46 fitted to the output shaft 36 of the reduction gear 31 is made of carbon steel (S45C), stainless steel, a sintered alloy, or the like.

The sound insulation cylinder 37 is attached to the outer peripheral portion of the speed reducer 31, and holds the speed reducer 31 and performs sound insulation. The sound insulation tube 37 is formed of, for example, a drawing process of a steel plate, an aluminum die casting, a metal cutting process, or a metal such as a sintered metal. Thereby, the sound insulation effect of the noise generated from the speed reducer 31 is improved, and the noise of the suction tool main body 18 can be reduced.
In addition, since the heat radiation effect of the heat generated from the speed reducer 31 is increased, the temperature of the speed reducer 31 can be prevented from lowering than the excessive atmospheric pressure, and the life of the speed reducer 31 can be extended.

A lid 48 is detachably held on the suction tool main body 18 on the opposite side of the rotary brush 19 from the electric motor 30 side.
Further, as shown in FIG. 3, the terminal 49a is connected to a lead wire connected to the electric motor 30, and is held inside the hollow shaft 42 provided at the end of the rotating brush 19. The terminal 49b is connected to a lead wire connected to the motor board 33, is disposed at one end of the suction tool main body 18, and is connectable to the terminal 49a. Therefore, the rotary brush 19 can be removed in the axial direction by removing the lid 48.

The operation of the above configuration will be described. When the electric motor 30 is driven to rotate the rotary brush 19 and the electric blower 24 is driven to operate the cleaner body 22, dust on the surface to be cleaned, which is scraped up by the rotary brush 19, is collected by the electric blower 24 into a dust collection chamber. Collect dust at 23.

If hair, cotton dust, or the like is entangled with the rotating brush 19 while cleaning the carpet or the floor surface, the power of the rotating brush 19 to scrape dust is lower than the atmospheric pressure, and the dust collecting performance is reduced. If the pressure drops below the atmospheric pressure, and these dusts are entangled with the sliding portion between the rotating brush 19 and the suction tool body 18, the rotating brush 19 stops.

For this reason, when the lid 48 is removed to remove such dust, the rotary brush 19 causes the terminal 49 a held inside the hollow shaft 42 provided at the end to rotate the terminal 49 a of the suction tool main body 18. Since the rotary brush 19 is connected to the terminal 49b disposed at one end, the rotary brush 19 can be easily removed from the suction tool main body 18, and the rotary brush 19 can be cleaned alone, so that the rotary brush 19 is kept clean. And the usability can be improved.

Further, the suction tool main body 18 is connected to the cleaner main body 2.
Since the vacuum cleaner connected to the connection port 25 provided in 2 through the extension pipe 20 and the hose 26 can keep the rotating brush 19 clean and can remove dust adhering to the brush 29 by washing with water, The dust scraping force of the brush 29 increases, and the dust collection performance can be improved.

(Embodiment 2) As shown in FIG.
Has an air-permeable and water-impermeable function such as Gore-Tex, and is attached to the inlet of the air inlet 50 of the hollow shaft 42 held at the end of the electric motor 30. An exhaust port 52 for discharging air after cooling the electric motor 30 is provided in the brush holder 28, and a film 53 made of a similar material is attached inside the exhaust port 52. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When cleaning the carpet and floor surface and removing hair, cotton dust and the like entangled in the rotating brush 19, when the rotating brush 19 is removed from the suction tool body 18, the opening of the rotating brush 19 is suctioned. Since the membranes 51 and 53 having a breathability and a waterproof function that is impermeable to water are attached to the port 50 and the exhaust port 52, even if the rotating brush 19 is immersed in water, the membranes 5 are formed.
Since water can be prevented from entering the inside of the rotating brush 19 by the components 1 and 53, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 3) As shown in FIG. 5, a rotating lid 55 to which a rotating shaft 54 is fixed is held at the end of the brush holder 28, and a seal ring 56 is held inside the rotating lid 55. Water is prevented from entering from the end. Further, a shutter 57 is formed integrally with the inner surface of the exhaust port 52 to extend therefrom.
8 is configured to close the exhaust port 52 for discharging the cooling air. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When removing the hair or cotton dust entangled with the rotating brush 19 while cleaning the carpet or floor surface, remove the rotating brush 19 from the suction tool body 18 and rotate the rotating lid 55 in the radial direction. Then, the shutter 5 as shown in FIG.
7 from the state where the opening 57a and the exhaust port 52 communicate with each other, as shown in FIG.
Is closed.

On the other hand, since the film body 51 having air permeability and having a waterproof function of impervious to water is attached to the intake port 50, even if the rotating brush 19 is immersed in water, the film body 51 and the shutter 57 are used. Since water can be prevented from entering the inside of the rotating brush 19, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 4) As shown in FIG. 6, the shutter 58 is provided on the inner surface of the brush holder 28 so as to move in the axial direction, and by moving the shutter 58, the cooling air provided on the brush holder 28 is moved. Is configured to close the exhaust port 52 for discharging the air. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. While removing the carpet and floor surface, when removing hair, cotton dust, and the like entangled in the rotating brush 19, remove the rotating brush 19 from the suction tool body 18 and move the shutter 58 in the axial direction. The state in which the opening 58 a of the shutter 58 communicates with the exhaust port 52 is changed to a state in which the exhaust port 52 is closed by the shutter 58.

On the other hand, since the film body 51 having air permeability and having a waterproof function that is impermeable to water is attached to the intake port 50, even if the rotating brush 19 is immersed in water, the film body 51 and the shutter 57 are used. Since water can be prevented from entering the inside of the rotating brush 19, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 5) As shown in FIGS. 7 and 8, the valve element 70 is configured to open the exhaust port 52 provided in the brush holder 28 for discharging the cooling air when the rotary brush 19 rotates. ing. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, centrifugal force acts on the valve 71 of the valve body 70, and moves to the outer peripheral portion, as shown in FIG. 8A, to open the cooling port 72. When cleaning the carpet and floor surface and removing hair, cotton dust, and the like entangled in the rotating brush 19, when the rotating brush 19 is removed from the suction tool main body 18, the valve 71 of the valve body 70 is centrifuged. Fig. 8
As shown in (b), the cooling port 72 is closed.

On the other hand, since the film body 51 having air permeability and having a waterproof function of impervious to water is attached to the intake port 50, even if the rotating brush 19 is immersed in water, the film body 51 and the shutter 57 can be used. Since water can be prevented from entering the inside of the rotating brush 19, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 6) As shown in FIG.
The brush is normally closed by the urging force of the elastic body 59, and is opened when a suction force is generated in the suction tool main body 18 and the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure. The hollow shaft 42 is provided at the inlet of the air inlet 50. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, a suction force is generated in the suction tool main body 18, the valve 60 opens, and the cooling air is suctioned from the suction port 50.
While cleaning the carpet and floor, rotating brush 19
When the rotating brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust, and the like entangled in the valve 60, the valve 60 is closed by the urging force of the elastic body 59.

On the other hand, since the membrane 53 having a gas permeable property and a waterproof function that is impermeable to water is attached to the exhaust port 52, the membrane 53 and the valve 6 can be mounted even if the rotating brush 19 is immersed in water.
Since 0 prevents water from entering the inside of the rotating brush 19, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 7) As shown in FIG.
The brush is normally closed by the urging force of the elastic body 59, and is opened when a suction force is generated in the suction tool main body 18 and the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure. The rotary shaft 55 is provided at the inlet of the suction port 50 of the hollow shaft 42, and a rotary lid 55 to which the rotary shaft 54 is fixed is held at the end of the brush holder 28. A seal ring 56 is held inside the rotary lid 55, and To prevent water from entering. Further, the shutter 57 extends to the inner surface of the exhaust port 52.
Are formed integrally, and the exhaust port 52 for discharging the cooling air provided on the brush holder 28 is closed by rotating the rotary lid 55. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, a suction force is generated in the suction tool main body 18, the valve 60 opens, and the cooling air is suctioned from the suction port 50.
In this state, the shutter 57 is open. When the rotary brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust, and the like entangled with the rotary brush 19 while cleaning the carpet and floor surface, the urging force of the elastic body 59 is applied. It is closed by.

On the other hand, the exhaust port 52 is provided with a shutter 57 formed integrally with the rotating lid 55, and by rotating the rotating lid 55, the exhaust port 52 provided in the brush holder 28 is rotated.
Is closed, so that even if the rotating brush 19 is immersed in water, the rotating brush 1 is controlled by the shutter 57 and the valve 60.
9 can prevent water from entering the inside of the rotating brush 1.
9 can be washed with water and kept clean.

(Embodiment 8) As shown in FIG.
The brush is normally closed by the urging force of the elastic body 59, and is opened when a suction force is generated in the suction tool main body 18 and the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure. A shutter 58 is provided at the inlet of the suction port 50 of the hollow shaft 42, and a shutter 58 is provided on the inner surface of the brush holder 28 so as to move in the axial direction. The mouth 52 is configured to be closed. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, a suction force is generated in the suction tool main body 18, the valve 60 opens, and the cooling air is suctioned from the suction port 50.
In this state, the shutter 58 is open. When the rotary brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust, and the like entangled with the rotary brush 19 while cleaning the carpet and floor surface, the urging force of the elastic body 59 is applied. It is closed by.

On the other hand, when the shutter 58 is moved in the axial direction, the exhaust port 52 is closed by the shutter 58. Therefore, even if the rotary brush 19 is
Since water can be prevented from entering the inside of the rotating brush 19 by the 8 and the valve 60, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 9) As shown in FIG.
The brush is normally closed by the urging force of the elastic body 59, and is opened when a suction force is generated in the suction tool main body 18 and the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure. A valve body 70 is provided at the inlet of the intake port 50 of the hollow shaft 42 and opens the exhaust port 52 provided in the brush holder 28 when the rotating brush 19 rotates. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, a suction force is generated in the suction tool main body 18, the valve 60 opens, and the cooling air is suctioned from the suction port 50.
In this state, the valve body 70 is open. When the rotary brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust, and the like entangled with the rotary brush 19 while cleaning the carpet and floor surface, the urging force of the elastic body 59 is applied. It is closed by.

On the other hand, since the exhaust port 52 is provided with the valve 70 that opens the exhaust port 52 when the rotary brush 19 rotates, when the rotary brush 19 is removed from the suction tool main body 18, the valve 70 of the valve 70 is opened. Since the centrifugal force does not act on the valve 71, the valve 71 is closed even if the rotary brush 19 is immersed in water.
Since water can be prevented from entering the inside of the rotating brush 19 by the 0 and the valve 60, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 10) As shown in FIG. 13, a power transmission device 7 including a motor 30 for rotatingly driving the rotating brush 19, a speed reduction device 31, and the like is provided inside a brush holder 28.
2 and a power transmission device 72 for the brush holder 2
8 so as to be detachably held. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When removing hair, cotton dust, and the like entangled in the rotating brush 19 while cleaning the carpet and floor surface, remove the rotating brush 19 from the suction tool main body 18, and then move the power transmission device 72 to the brush holder 28. By detaching the brush holder 28, the brush holder 28 can be easily washed with water, and can be kept clean.

(Embodiment 11) As shown in FIG. 14, the valve membrane 61 is normally closed, a suction force is generated in the suction tool main body 18, and the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure. It is provided at the inlet of the intake port 50 of the hollow shaft 42 held by the electric motor 30. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, a suction force is generated in the suction tool main body 18, the valve membrane 61 is opened, and the cooling air is taken in from the suction port 50. When removing the hair, cotton dust, etc. entangled in the rotating brush 19 while cleaning the carpet and floor surface, when the rotating brush 19 is removed from the suction tool main body 18, the valve membrane 61 is removed.
Is closed.

On the other hand, since the membrane 53 having air permeability and having a waterproof function that is impermeable to water is attached to the exhaust port 52, even if the rotary brush 19 is immersed in water, the membrane 53 and the valve membrane 61 are provided. As a result, water can be prevented from entering the inside of the rotating brush 19, so that the rotating brush 19 can be washed with water,
It can be kept clean.

(Embodiment 12) As shown in FIG. 15, the valve membrane 61 is normally closed, a suction force is generated in the suction tool main body 18, and the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure. It is provided at the inlet of the suction port 50 of the hollow shaft 42 held by the electric motor 30, and holds a rotating lid 55 to which the rotating shaft 54 is fixed at the end of the brush holder 28. Holds the seal ring 56 and prevents water from entering from the end. Further, a shutter 57 is integrally formed by extending to the inner surface of the exhaust port 52,
By rotating the rotary lid 55, the exhaust port 52 for discharging the cooling air provided on the brush holder 28 is closed. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, a suction force is generated in the suction tool main body 18, the valve membrane 61 is opened, and the cooling air is taken in from the suction port 50. In this state, the shutter 57 is open. When the rotary brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust and the like entangled in the rotary brush 19 while cleaning the carpet and the floor surface, the valve membrane 61 is closed.

On the other hand, the exhaust port 52 is provided with a shutter 57 integrally formed with the rotary lid 55, and by rotating the rotary lid 55, the exhaust port 52 provided in the brush holder 28 is rotated.
Is closed, so that even if the rotating brush 19 is immersed in water, water can be prevented from entering the inside of the rotating brush 19 by the shutter 57 and the valve membrane 61, so that the rotating brush 19 can be washed with water. , Can be kept clean.

Embodiment 13 As shown in FIG. 16, the valve membrane 61 is normally closed, a suction force is generated in the suction tool main body 18, and the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure. A shutter 58 is provided at the inlet of the suction port 50 of the hollow shaft 42 held by the electric motor 30, and a shutter 58 is provided on the inner surface of the brush holder 28 so as to move in the axial direction. An exhaust port 52 provided in the holder 28 for discharging cooling air is closed. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, a suction force is generated in the suction tool main body 18, the valve membrane 61 is opened, and the cooling air is taken in from the suction port 50. In this state, the shutter 58 is open. When the rotary brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust and the like entangled in the rotary brush 19 while cleaning the carpet and the floor surface, the valve membrane 61 is closed.

On the other hand, when the shutter 58 is moved in the axial direction, the exhaust port 52 is closed by the shutter 58. Therefore, even if the rotary brush 19 is
Since water can be prevented from entering the inside of the rotating brush 19 by the 8 and the valve membrane body 61, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 14) As shown in FIG. 17, the valve membrane 61 is normally closed, a suction force is generated in the suction tool main body 18, and the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure. The hollow brush 42 is provided at the inlet of the suction port 50 of the hollow shaft 42 held by the electric motor 30.
A valve 70 is provided to open the exhaust port 52 provided in the brush holder 28 during the rotation of. Other configurations are the same as those of the second embodiment.

The operation of the above configuration will be described. When the rotating brush 19 rotates, a suction force is generated in the suction tool main body 18, the valve membrane 61 is opened, and the cooling air is taken in from the suction port 50. In this state, the valve body 70 is open. When the rotary brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust and the like entangled in the rotary brush 19 while cleaning the carpet and the floor surface, the valve membrane 61 is closed.

On the other hand, since the exhaust port 52 is provided with the valve 70 that opens the exhaust port 52 when the rotary brush 19 rotates, when the rotary brush 19 is removed from the suction tool main body 18, the valve of the valve 70 is opened. Since the centrifugal force does not act on the valve 71, the valve 71 is closed even if the rotary brush 19 is immersed in water.
Since water can be prevented from entering the inside of the rotating brush 19 by the 0 and the valve membrane body 61, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 15) As shown in FIG. 18, a waterproof function that is permeable to water such as Gore-Tex and does not allow water to pass through is provided at the inlet of the intake port 50 of the hollow shaft 42 held at the end of the electric motor 30. Is attached. A seal 62 is provided at an end of the hollow shaft 42, and a seal 6 is provided at an end of the sound insulating cylinder 37.
3 and a seal 64 in contact with the output shaft 36 is provided at the opposite end of the sound insulation tube 37 to seal the electric motor 30 to prevent water from entering. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. If the rotating brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust, and the like entangled in the rotating brush 19 while cleaning the carpet and the floor surface, the electric motor 30 causes the film 5
1, since the seal is sealed by the seal 62, the seal 63, and the seal 64, even if water invades inside the brush holder 28, it does not enter the electric motor 30, so that there is no fear of impairing the function. Thereby, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 16) As shown in FIG. 19, the inlet of the intake port 50 of the hollow shaft 42 held at the end of the electric motor 30 is normally closed, and a suction force is generated in the suction tool main body 18. A valve 60 that opens when the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure is attached. Other configurations are the same as those of the fifteenth embodiment.

The operation of the above configuration will be described. If the rotating brush 19 is removed from the suction tool main body 18 to remove hair, cotton dust, and the like entangled in the rotating brush 19 while cleaning the carpet and floor surface, the electric motor 30 operates the valve 6.
Since the seal is sealed by the seals 0, 62, 63 and 64, even if water enters the brush holder 28, it does not enter the electric motor 30, so there is no risk of impairing the function. Thereby, the rotating brush 19 can be washed with water and can be kept clean.

(Embodiment 17) As shown in FIG. 20, the inlet of the suction port 50 of the hollow shaft 42 held at the end of the electric motor 30 is normally closed, and a suction force is generated in the suction tool main body 18. In addition, a valve membrane 61 that opens when the internal pressure inside the brush holder 28 becomes lower than the atmospheric pressure is attached. Other configurations are the same as those of the fifteenth embodiment.

The operation of the above configuration will be described. When removing the hair, cotton dust, and the like entangled in the rotating brush 19 while cleaning the carpet and floor surface, when the rotating brush 19 is removed from the suction tool main body 18, the electric motor 30 becomes the valve membrane body 61 and the seal. Since the seal is sealed by the seal 62, the seal 63, and the seal 64, even if water enters the brush holder 28, the water does not enter the electric motor 30.
There is no worry about impairing the function. Thereby, the rotating brush 19
Can be washed with water and kept clean.

(Embodiment 18) As shown in FIGS. 21 and 22, the end of the hollow shaft 42 attached to the electric motor 30 is held by the suction tool body 18, and the electric motor 30, the speed reducer 31,
An electric motor unit 65 formed of a sound insulation tube 37 and the like is fixed to the suction tool main body 18, and a brush holder 28 is detachably attached. Further, the lid 48 is provided detachably so that the brush holder 28 can be taken out by removing the lid 48 when the rotary brush 19 becomes dirty. Other configurations are the same as those in the first embodiment.

The operation of the above configuration will be described. When removing the hair or cotton dust entangled in the rotating brush 19 while cleaning the carpet or floor, remove the lid 48, take out the brush holder 28, and wash the brush holder 28 alone with water. Can be kept clean.

(Embodiment 19) As shown in FIG. 23, a cylindrical power cylinder 66 is provided between a motor unit 65 and a brush holder 28, and the outer periphery of the motor 30 for rotating and driving the brush holder 28 is connected to the power cylinder 66. It is covered with. Other configurations are the same as those of the eighteenth embodiment.

The operation of the above configuration will be described. When removing the hair or cotton dust entangled in the rotating brush 19 while cleaning the carpet or floor, remove the lid 48, take out the brush holder 28, and wash the brush holder 28 alone with water. Can be kept clean. Here, the motor unit 65 can be protected by the power cylinder 66, and the motor unit 65 can be prevented from being damaged.

[0101]

As described above, according to the present invention, by removing the lid, the rotary brush is removed from the suction tool main body so that the rotary brush can be cleaned and the rotary brush can be kept clean. It is possible to provide a vacuum cleaner having a suction tool that can keep the rotating brush clean.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of the vacuum cleaner having the vacuum cleaner suction tool.

FIG. 3 is an enlarged sectional view of a main part of the suction device for the electric vacuum cleaner.

FIG. 4 is a cross-sectional view of a rotating brush of a suction tool for a vacuum cleaner according to a second embodiment of the present invention.

FIG. 5A is a cross-sectional view of a rotary brush of a vacuum cleaner suction tool according to a third embodiment of the present invention. FIG. 5B is a cross-sectional view of the rotary brush of the vacuum cleaner suction tool with an exhaust port opened. Figure (c) Cross-sectional view of the vacuum cleaner suction tool with the exhaust port of the rotating brush closed.

FIG. 6 is a cross-sectional view of a rotating brush of a suction device for a vacuum cleaner according to a fourth embodiment of the present invention.

FIG. 7 is a sectional view of a rotary brush of a suction device for a vacuum cleaner according to a fifth embodiment of the present invention.

8A is a cross-sectional view of the valve body of the vacuum cleaner when the rotary brush is rotating. FIG. 8B is a cross-sectional view of the valve body of the vacuum cleaner when the rotary brush is stopped.

FIG. 9 is a cross-sectional view of a rotating brush of a suction tool for a vacuum cleaner according to a sixth embodiment of the present invention.

FIG. 10 is a cross-sectional view of a rotating brush of a suction tool for a vacuum cleaner according to a seventh embodiment of the present invention.

FIG. 11 is a sectional view of a rotating brush of a suction device for a vacuum cleaner according to an eighth embodiment of the present invention.

FIG. 12 is a cross-sectional view of a rotating brush of a suction device for a vacuum cleaner according to a ninth embodiment of the present invention.

FIG. 13 is an exploded cross-sectional view of a rotating brush of a suction device for a vacuum cleaner according to a tenth embodiment of the present invention.

FIG. 14 is a cross-sectional view of a rotating brush of a suction device for a vacuum cleaner according to an eleventh embodiment of the present invention.

FIG. 15 is a cross-sectional view of a rotating brush of a suction tool for a vacuum cleaner according to a twelfth embodiment of the present invention.

FIG. 16 is a sectional view of a rotating brush of a suction device for a vacuum cleaner according to a thirteenth embodiment of the present invention.

FIG. 17 is a cross-sectional view of a rotary brush of a suction tool for a vacuum cleaner according to a fourteenth embodiment of the present invention.

FIG. 18 is a sectional view of a suction tool for a vacuum cleaner according to a fifteenth embodiment of the present invention.

FIG. 19 is a cross-sectional view of a rotary brush of a suction device for a vacuum cleaner according to a sixteenth embodiment of the present invention.

FIG. 20 is a cross-sectional view of a rotating brush of a suction tool for a vacuum cleaner according to a seventeenth embodiment of the present invention.

FIG. 21 is a sectional view of a suction device for a vacuum cleaner according to an eighteenth embodiment of the present invention.

FIG. 22 is an exploded cross-sectional view of a rotating brush of the vacuum cleaner suction tool.

FIG. 23 is an exploded cross-sectional view of a rotating brush of a suction tool for a vacuum cleaner according to a nineteenth embodiment of the present invention.

FIG. 24 is a sectional view of a conventional suction device for a vacuum cleaner.

[Explanation of symbols]

 18 Suction Tool Main Body 19 Rotary Brush 27 Suction Port 28 Brush Holder 29 Brush (Dust Scavenging Part) 30 Motor 48 Lid 49a Terminal 49b Terminal

Claims (21)

[Claims] A rotary brush for rotatably wiping up dust on a surface to be cleaned is rotatably arranged in a suction tool main body, and the rotary brush has a substantially cylindrical brush holder provided with a dust rake up portion on an outer peripheral surface. A motor arranged in the brush holder for rotating the brush holder; a motor extending in the rotation axis direction of the motor, supporting the motor at one end, and a supporting portion for the suction tool body at the other end. And a terminal disposed on the other end side of the support and electrically connected to the electric motor,
The suction tool body has a mounting portion for detachably mounting the support portion of the support, the mounting portion is provided with a terminal for electrical connection with a terminal of the support, and the suction tool body includes the brush. Vacuum cleaner suction device provided with a detachable lid that keeps the holder mounted. 2. A holder for rotatably holding a rotating brush is provided at the other end of the brush holder opposite to the support,
The suction tool main body is provided with a holder mounting section for detachably mounting the holding body, and the suction tool main body has a detachable lid that covers the holder mounting section and maintains the brush holder in a mounted state. The suction tool for a vacuum cleaner according to claim 1, wherein the suction tool is provided. 3. An electric motor is arranged coaxially inside the rotating brush, and ventilation is provided to a cooling air intake port provided at an end of the motor and an exhaust port provided in the brush holder for discharging cooling air. The suction device for an electric vacuum cleaner according to claim 1, wherein the suction device has a membrane body having water permeability and water permeability. 4. A rotating lid having a rotating shaft fixed to an end of the brush holder, a shutter integrally provided on the rotating lid, and cooling air provided on the brush holder being removed by rotating the rotating lid. The suction tool for a vacuum cleaner according to claim 1, wherein the exhaust port for discharging the air is closed. 5. The brush holder according to claim 1, wherein a shutter that moves in the axial direction is provided on an inner surface of the brush holder, and an exhaust port provided in the brush holder for discharging cooling air is closed by moving the shutter. Suction tool for vacuum cleaner. 6. The suction tool for an electric vacuum cleaner according to claim 1, wherein the brush holder is provided with a valve body that opens an exhaust port for discharging cooling air provided in the brush holder when the rotating brush rotates. 7. A cooling air intake port provided at an end of the electric motor is provided with a valve for opening and guiding cooling air when the internal pressure inside the brush holder falls below atmospheric pressure, and discharging the cooling air. 2. The suction tool for a vacuum cleaner according to claim 1, wherein the exhaust port has a film body having air permeability and water impermeability. 8. A cooling air intake port provided at an end of the electric motor, a valve that opens and guides the cooling air when the internal pressure inside the brush holder falls below the atmospheric pressure, and an end of the brush holder. A rotary lid having a fixed rotating shaft is held, a shutter is integrally provided on the rotary lid, and an exhaust port for discharging cooling air provided on the brush holder is closed by rotating the rotary lid. The suction tool for a vacuum cleaner according to claim 1. 9. A valve that opens and guides cooling air when the internal pressure inside the brush holder falls below the atmospheric pressure is provided at a cooling air intake port provided at an end of the electric motor. Provide a shutter that moves in the axial direction,
The suction tool for a vacuum cleaner according to claim 1, wherein an exhaust port provided in the brush holder for discharging cooling air is closed by moving the shutter. 10. A cooling air intake port provided at an end of an electric motor is provided with a valve that opens and guides cooling air when the internal pressure inside the brush holder becomes lower than the atmospheric pressure. The suction tool for an electric vacuum cleaner according to claim 1, further comprising a valve body that opens an exhaust port for discharging cooling air provided in the brush holder when the brush rotates. 11. The suction device for a vacuum cleaner according to claim 1, wherein an electric motor disposed in the brush holder and configured to rotationally drive the rotating brush is detachable. 12. A cooling air intake port provided at an end of an electric motor, a valve film body that opens and guides cooling air when the internal pressure inside the brush holder becomes lower than the atmospheric pressure, and discharges the cooling air. 2. The suction device for a vacuum cleaner according to claim 1, wherein the exhaust port to be ventilated has a film body having air permeability and water impermeability. 13. A brush membrane, which opens when the internal pressure inside the brush holder falls below atmospheric pressure and guides cooling air, is disposed at a cooling air intake port provided at an end of the electric motor. A rotating lid fixed to a rotating shaft, a shutter is integrally provided with the rotating lid, and an exhaust port for discharging cooling air provided on the brush holder is closed by rotating the rotating lid. The suction tool for a vacuum cleaner according to claim 1. 14. A cooling air intake port provided at an end of an electric motor, a valve film body that opens and guides cooling air when an internal pressure inside the brush holder becomes lower than the atmospheric pressure, and an inner surface of the brush holder. The suction tool for a vacuum cleaner according to claim 1, wherein a shutter that moves in the axial direction is provided in the brush holder, and an exhaust port that discharges cooling air provided in the brush holder is closed by moving the shutter. 15. A valve membrane that opens and guides cooling air when the internal pressure inside the brush holder falls below atmospheric pressure is provided at a cooling air intake port provided at an end of the electric motor. The suction tool for an electric vacuum cleaner according to claim 1, further comprising a valve body that opens an exhaust port for discharging cooling air provided in the brush holder when the rotating brush rotates. 16. A suction tool main body having a suction port opened on a lower surface, and a rotary brush rotatably provided in the suction tool main body so as to face the suction port, wherein the rotary brush has dust on its outer peripheral surface. A substantially cylindrical brush holder with a scraper,
An electric motor disposed in the brush holder to rotationally drive the rotating brush, and a terminal connected to the electric motor, and a terminal connectable to the terminal is disposed at one end of the suction tool main body and at the other end. Providing a lid for holding the rotating brush, detachably holding the rotating brush, holding a membrane that has air permeability and does not allow water to pass through a cooling air intake port provided at an end of the electric motor, A suction device for a vacuum cleaner wherein the electric motor is sealed to prevent water from entering. 17. A cooling air intake port provided at an end of the motor, a valve that opens and guides the cooling air when the internal pressure inside the brush holder becomes lower than the atmospheric pressure, and seals the motor. 17. The suction tool for a vacuum cleaner according to claim 16, wherein water is prevented from entering by suction. 18. A valve membrane for opening and guiding cooling air when the internal pressure inside the brush holder falls below the atmospheric pressure is provided at a cooling air intake port provided at an end of the motor, and the motor is sealed. 17. The suction device for a vacuum cleaner according to claim 16, wherein the suction device prevents water from entering. 19. A suction tool main body having a suction port opened on a lower surface, and a rotary brush rotatably provided in the suction tool main body so as to face the suction port. A substantially cylindrical brush holder with a scraper,
An electric motor disposed on the suction tool main body to rotationally drive the brush holder; a lid for holding the rotating brush provided on the suction tool main body; and a vacuum cleaner for detachably holding the brush holder. Suction tool. 20. The suction tool for a vacuum cleaner according to claim 19, wherein an outer peripheral portion of the electric motor disposed on the suction tool main body and rotationally driving the brush holder is covered with a cylindrical power cylinder. 21. A vacuum cleaner body provided with an electric blower therein, comprising a connection port connected to communicate with the vacuum cleaner suction tool according to any one of claims 1 to 20. Vacuum cleaner.