JP2003038402A - Cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner capable of more surely performing cleaning. SOLUTION: A running wheel 5 is driven by a wheel driving means to force a cleaner body 2 to self-run. A rotary brush 11 having a brush 15 rotarably fitted to the outer periphery of a suction opening 14 is rotated by a brush driving means. A motor-driven blower is driven to suck dust through the suction opening 14 of the cleaner body 12. By the rotation of the rotary brush 11, not only the floor surface can be brushed, but also the dust positioned in the outer peripheral area of the suction opening 14 can be collected and sucked into the suction opening 14. Thus, both the dust entering the floor surface and the dust positioned in the outer peripheral area of the suction opening 14 can be sucked by the suction opening 14 so that the floor surface can be surely cleaned.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device that moves independently.

[0002]

2. Description of the Related Art Conventionally, a cleaning device of this type has a cleaner body, and a central part of the lower surface of the cleaner body is used for driving an electric blower as dust collecting means housed in the cleaner body. The main body suction port for sucking dust together with air is opened. Further, traveling wheels as moving means for moving the cleaning body are rotatably attached to both sides of the cleaner body, and these traveling wheels serve as drive means for rotationally driving these traveling wheels. Each motor is installed.

In the center of the front surface of the lower surface of the cleaner body, a brush having the same length and hardness of bristles is densely planted on the lower surface, and a rotating brush as a rotary cleaning member that rotates along the surface to be rotated rotates. It is possible to install. A motor as a rotary cleaning body that drives the rotary brush to rotate is attached to the rotary brush.

Further, a control circuit as a control means for controlling the drive of the motor to control the rotation of the rotary brush is connected to the motor for rotationally driving the rotary brush. Further, this control circuit is also connected to a motor that rotationally drives the traveling wheels. By controlling the drive of these motors, the rotation of the traveling wheels is controlled, and the cleaner body is caused to move independently, that is, to run independently. . The control circuit is connected to the electric blower and controls the driving state of the electric blower.

Therefore, the control circuit controls the driving of the motor to rotationally drive the traveling wheels to cause the cleaner body to travel independently, and the control circuit drives the electric blower. Also, if necessary, the control circuit controls the drive of the motor to drive the rotary brush to rotate, and the rotary brush brushes the surface to be cleaned, and the dust that has entered the surface is sucked into the main body. Make it easy to inhale.

[0006]

However, in the above-mentioned cleaning device, the rotating brush is rotated, and the surface to be cleaned is brushed with the brush planted on the lower surface of the rotating brush to remove dust that has entered the surface to be cleaned. Although it is sucked into the main body suction port, there is a possibility that dust on the surface to be cleaned may be swept to the surroundings by the rotation of the rotating brush.

Further, since the rotating brush is attached to the center on the front side of the lower surface of the vacuum cleaner body, the main body suction port of the vacuum cleaner body cannot clean the corners of the room, walls, or the like securely. have.

The present invention has been made in view of the above points, and an object of the present invention is to provide a cleaning device capable of cleaning more reliably.

[0009]

According to a first aspect of the present invention, there is provided a cleaning device, a cleaner body, a moving means for moving the cleaner body, and a self-supporting means for driving the moving means to independently move the cleaner body. A rotary drive having a moving drive means, a suction port provided to face the surface to be cleaned of the cleaner body, a brush rotatably attached to the outer periphery of the suction port, and the rotary cleaning unit. It is provided with a rotary cleaning member driving means for rotating and driving, and a dust suction means for sucking dust from the suction port.

Then, the rotary cleaning body is driven to rotate by the rotary cleaning body drive means, and dust is sucked from the suction port of the cleaner body by the dust suction means. In this state,
The moving means is driven by the self-sustained movement drive means to move the cleaner body independently. At this time, since the brush is rotatably attached to the outer periphery of the suction port, the surface to be cleaned is brushed by the rotation of the brush due to the rotation of the rotary cleaning body, and the dust located in the outer peripheral region of the suction port is absorbed. It is collected in the mouth and sucked into this suction port. Therefore, the dust that has entered the surface to be cleaned and the dust located in the outer peripheral area of the suction port can also be sucked from the suction port, so that the surface to be cleaned is more reliably cleaned.

A cleaning device according to a second aspect is the cleaning device according to the first aspect, wherein the brushes of the rotary cleaning body have different length dimensions.

Since the length of the brush of the rotary cleaning member is different, when the brush of the rotary cleaning member is brought into contact with the surface to be cleaned and rotated, the surface to be cleaned and the brush of the rotary cleaning member are separated from each other. Since a gap is formed between them, dust can be sucked in more reliably from the suction port.

A cleaning device according to a third aspect is the cleaning device according to the first or second aspect, wherein the brush of the rotary cleaning member is
It is attached via a gap along the radial direction of the suction port.

By attaching a brush to the rotary cleaning body through a gap along the radial direction of the suction port, when the brush of the rotary cleaning body is brought into contact with the surface to be cleaned and rotated, the cleaning target is cleaned. Since a gap along the radial direction of the suction port is formed between the surface and the brush of the rotary cleaning body, it is possible to more reliably suck dust from the suction port.

A cleaning device according to a fourth aspect is the cleaning device according to any one of the first to third aspects, wherein the brush of the rotary cleaning body is attached in a state of being curved in a concave arc shape in a rotation direction of the rotary cleaning body. It is what has been.

Then, by attaching the brush to the rotary cleaning body in a state of being curved in a concave arc shape in the rotation direction of the rotary cleaning body, when the rotary cleaning body is rotated, the peripheral portion of the rotary cleaning body is rotated. Air is scraped to the suction port.
Therefore, since the dust of the cleaning surface can be more reliably sucked into the suction port by the brush of the rotary cleaning body, the dust is surely sucked by the suction port.

A cleaning device according to a fifth aspect of the present invention is the cleaning device according to any one of the first to fourth aspects, further comprising rotary cleaning body moving means for moving the rotary cleaning body with respect to the cleaner body. .

By moving the rotary cleaning body with respect to the cleaner body by the rotary cleaning body moving means, even the surface to be cleaned located at a corner or a wall can be cleaned by the rotary cleaning body. Therefore, it becomes possible to more reliably clean the surface to be cleaned located in a corner or a wall.

A cleaning device according to a sixth aspect of the present invention is the cleaning device according to the fifth aspect, wherein the rotary cleaning body moving means is capable of changing a moving amount of the rotary cleaning body with respect to the cleaner body.

Since the amount of movement of the rotary cleaning body with respect to the cleaner body can be varied by the rotary cleaning body moving means, the rotary cleaning body is moved to a desired position with respect to the cleaner body by the rotary cleaning body moving means. Therefore, even if the surface to be cleaned is located near a curved wall,
Since it is possible to clean by the rotary cleaning body, it is possible to more reliably clean the surface to be cleaned located on the curved wall or the like.

A cleaning device according to a seventh aspect is the cleaning device according to any one of the first to sixth aspects, in which the main body suction port is opened in the main body of the cleaner so as to face the surface to be cleaned and the dust is sucked by the dust suction means. It is equipped with.

Then, dust is sucked by the dust suction means from the main body suction opening opened in the main body of the cleaner facing the surface to be cleaned, whereby the surface to be cleaned located outside the main body suction opening is rotationally cleaned. Since it can be cleaned by the body, it can be cleaned over a wider area.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION The configuration of a first embodiment of a cleaning device of the present invention will be described below with reference to FIGS.

In FIGS. 1 to 4, reference numeral 1 denotes a cleaning device, which is a cleaning device main body 2 capable of moving independently, that is, traveling independently on a floor surface as a surface to be cleaned such as in a factory or a house. have. The cleaner body 2 is configured by fitting a lower end edge of a case body 4 having a convex arc surface shape to an outer peripheral edge of a bottom plate portion 3 having a substantially circular flat plate shape.

In addition, on both sides of the bottom plate portion 3 with respect to the traveling direction of the cleaner body 2, traveling wheels 5 as a moving means for enabling the cleaner body 2 to travel, that is, to move.
Is rotatably attached. These running wheels 5 are
The bottom plate portion 3 is fitted into the elongated substantially rectangular fitting holes 6 opened in both sides of the cleaner body 2 with respect to the traveling direction of the cleaner body 2. The vacuum cleaner body 2 projects downward.

Further, on the bottom plate portion 3 which is inside each of the traveling wheels 5, there is provided a wheel driving means 7 as a self-sustained movement driving means for rotating the traveling wheels 5 to make the cleaner main body 2 travel independently. Each is installed.
The wheel driving means 7 is composed of a magnetic clutch 9 mounted inside each traveling wheel 5, a motor as an electric motor for driving the rotation of each traveling wheel 5, and the like. In addition, the cleaner body 2 on the back surface of the bottom plate portion 3
A swivel wheel 8 that swivels along the surface direction of the bottom plate portion 3 is rotatably attached to the rear side with respect to the traveling direction of. As shown in FIG. 2, the slewing wheel 8 is attached to the rear of the middle between the traveling wheels 5.

On the front side of the back surface of the bottom plate portion 3 with respect to the traveling direction of the cleaner body 2, a rotary brush 11 as a rotary cleaning member that rotates along the surface direction of the bottom plate portion 3 is rotatably mounted. An arc-shaped mounting recess 12 is provided. Here, the rotating brush 11 is provided at a position separated laterally from the central region of the bottom plate portion 3 with respect to the traveling direction of the cleaner body 2.

The rotating brush 11 is provided with a substantially cylindrical base portion 13 which is rotatably supported by the mounting recess 12 of the bottom plate portion 3 of the cleaner body 2. At the center of the base portion 13, a suction port 14 that opens dust from the lower end of the base portion 13 together with air is opened. Further, on the lower side of the outer peripheral surface of the base portion 13, brushes 15 as a plurality of bristles are planted over the outer peripheral surface in the circumferential direction.
Each of these brushes 15 is arranged from the outer peripheral surface of the base portion 13 to the base portion.
It is in the radial direction of 13 and is inclined toward the opening direction of the suction port 14 of the base portion 13, that is, toward the lower outside. Further, each of these brushes 15 projects below the suction port 14 which is the lower end surface of the base portion 13. Here, the lengths of the brushes 15 are set to be equal to each other.

On the other hand, the bottom plate portion 3 inside the cleaner body 2
A main body suction port 21 having an elongated rectangular shape is formed in the center of the main body so as to face the floor surface. The main body suction port 21 is between the traveling wheels 5, and has a longitudinal direction along the radial direction of the cleaner main body 2 which is a direction intersecting the traveling direction of the cleaner main body 2 at a right angle. The inside of the main body suction port 21 is air-tightly connected to and connected to a dust collection case 22 as a dust collection portion housed in the central portion of the cleaner body 2. The dust collection case 22 collects dust floating in the inhaled intake air. The dust collection case 22 is also connected to the suction port 14 of the rotating brush 11 in an airtight manner.

Further, inside the cleaner main body 2 above the dust collection case 22, an electric blower 23 as a dust suction means for sucking intake air from the main body suction port 21 and the suction port 14 of the rotary brush 11 is attached. ing. This electric blower 23
Are hermetically connected to the base end region of the dust collection case 22.

Further, as shown in FIG. 1, when the cleaner body 2 collides with an obstacle such as furniture, the cleaner body 2 and the obstacle are provided on the front surface of the case body 4 of the cleaner body 2. An elongated plate-shaped bumper 24 is attached to prevent damage or damage to objects. The bumper 24 is attached along the circumferential direction of the case body 4. Also this bumper
The 24 is provided with a plurality of sensors 25, which are contact control units as detection means for detecting a state around the cleaner body 2. These sensors 25 detect obstacles existing at a predetermined distance. Further, these sensors 25 are equally spaced along the circumferential direction of the case body 4. Here, these sensors 25 are a contact type sensor such as a switch, a non-contact type sensor such as an infrared sensor, a sensor that detects a current flowing when the cleaner body 2 and the rotating brush 11 contact an obstacle. May be

On the other hand, as shown in FIG. 3, in the cleaner body 2 which is on the front side of the dust collection case 22, the rotational drive of the traveling wheels 5 is controlled through the wheel driving means 7 to control the cleaner body 2. A control circuit 31 is attached as a control means for causing the vehicle to travel independently. As shown in FIG. 2, the control circuit 31 is connected with a brush drive means 34 as a rotary cleaning body drive means for rotationally driving the rotary brush 11, and by controlling the drive of the brush drive means 34. The rotary drive of the rotary brush 11 is controlled. Further, the control circuit 31 is connected to the electric blower 23 and controls the driving state of the electric blower 23.

The brush driving means 34 has a motor 35 as a rotation driving means.
A belt body 36 as an endless body that winds by rotating the motor 35 to rotate the rotating brush 11 is wound.

Further, electric power is supplied to the control circuit 31 inside the cleaner body 2 on the rear side of the dust collection case 22, and under the control of the control circuit 31, the electric blower 23, the traveling wheels 5 and the rotary brush 11 are supplied. A battery body that is a storage battery, that is, a battery pack 32 as a power supply unit for driving the battery is detachably attached. The battery pack 32 is rechargeable and is removably inserted from the bottom surface side of the bottom plate portion 3 of the cleaner body 2. In addition, the battery pack 32 has a plurality of, for example, 10
It is an assembled battery configured by connecting a plurality of substantially cylindrical secondary batteries 33 in series.

Next, the operation of the first embodiment will be described.

First, the vacuum cleaner main body 2 travels in a factory, a house, or the like, and has a floor plan, a floor space for cleaning, layout of furniture, independent running conditions such as running time and running time interval, and an electric blower. Data such as the cleaning conditions according to 23 are input to the control circuit 31.

When the preset time comes, the traveling wheel 5 and the rotary brush are set on the basis of the data such as the independent traveling condition and the cleaning condition preset in the control circuit 31 of the cleaner body 2.
11 and the electric blower 23 are appropriately driven.

Here, the traveling wheel 5 is controlled by the control circuit 31 to be rotationally driven by the wheel driving means 7, so that the cleaner main body 2 is driven.
Run on almost the entire floor.

The control circuit 31 also controls the electric power supplied to the electric blower 23.

When the floor surface is a carpet or the like, the control circuit controls the rotational drive of the rotary brush 11 by the brush drive means 34.
31 appropriately controls and sucks the dust from the suction port 14 of the rotating brush 11 while scraping the dust that has entered the carpet.

When the charge remaining in the battery pack 32 becomes small due to running and dust collection, the control circuit 31 appropriately controls the rotational driving of the running wheels 5 by the wheel driving means 7 to run to a charger (not shown). Charge with this charger.

Further, when the cleaning is completed after traveling through the entire area, the control circuit 31 stops the drive of the electric blower 23 and the wheel drive means 7 appropriately controls the rotational drive of the traveling wheels 5 to charge the battery. Run to the container and charge.

When the sensor 25 detects an obstacle, the control circuit 31 appropriately controls the rotational driving of the traveling wheels 5 by the wheel driving means 7 to avoid collision with the obstacle.

As described above, according to the first embodiment, the rotation drive of the traveling wheels 5 by the wheel driving means 7 is controlled by the control circuit 31 to make the cleaner body 2 travel independently. The control circuit 31 drives the electric blower 23 to collect dust on the floor from the main body suction port 21 and the suction port 14 of the rotary brush 11. Therefore, the main body suction port 21 and the suction port 14 of the rotary brush 11 can collect dust on the floor surface, so that the floor surface can be cleaned more reliably and cleanly.

When the floor surface is a carpet or the like, the control circuit 31 controls the rotary drive of the rotary brush 11 by the brush drive means 34.
Brush the carpet by controlling it appropriately. As a result, the dust that has entered the floor surface of a carpet or the like can be scraped out, and the scraped dust can be collected by the suction port 14 of the rotating brush 11. Therefore, dust that has entered the floor surface of a carpet or the like can also be sucked by the suction port 14 of the rotating brush 11, so that the floor surface can be cleaned more reliably and cleanly.

Further, since the rotary brush 11 is attached at a position separated laterally from the central region of the bottom plate portion 3 with respect to the traveling direction of the cleaner body 2, the floor surface located in the outer region of the main body suction port 21. The dust on the top can also be collected by the suction port 14 of the rotating brush 11. Therefore, since dust that cannot be collected by the main body suction port 21 can be collected by the suction port 14 of the rotating brush 11, it is possible to clean a wide area at one time, and the main body suction port 21 is located at a wall or a corner where dust cannot be collected. Even dust on the floor can be collected by the suction port 14 of the rotating brush 11, so this rotating brush 11
The floor surface can be cleaned more reliably and cleanly.

Next, the configuration of the second embodiment of the present invention will be described with reference to FIGS.

The cleaning device 1 shown in FIG. 5 to FIG.
Basically, it is the same as the cleaning device 1 shown in FIGS. 1 to 4, but the rotating brush 11 can be put in and taken out laterally with respect to the traveling direction of the cleaner body 2.

As shown in FIGS. 5 and 6, a concave notch 41 is formed on the front side of the bottom plate 3 of the cleaner body 2 so that the rotary brush 11 can be taken in and out. A pinion 42 as a drive gear, which is a rotating brush rotating means having an axial direction in the vertical direction, is rotatably attached to an outer peripheral area of the bottom plate portion 3 which is an inner area of the cutout recess 41. A meshing groove 43 is formed on the outer peripheral surface of the pinion 42 in the circumferential direction. Further, the pinion 42 is rotationally driven by a motor 40 as a rotational driving means. Further, the rotation drive of the pinion 42 by the motor 40 is controlled by the control circuit 31, and the rotation amount of the pinion 42 is adjusted.

A pinion 45, which is an operating gear as a rotary brush control means, is formed in the meshing groove 43 of the pinion 42. The meshing groove 44 is formed on the outer peripheral surface of the pinion 42 in the circumferential direction. This pinion 45 is a pinion by the control circuit 31.
It rotates with the rotation of 42. A rotary brush stand 46 is attached to the tip end region of the outer peripheral surface of the pinion 45 as an elongated flat plate-shaped attachment support portion projecting in the surface direction of the bottom plate portion 3. The rotary brush 11 is rotatably attached to the tip of the rotary brush base 46.

Further, a pulley 47 as a rotating shaft having an axial direction along the vertical direction is rotatably attached to the tip of the pinion 45. At the base end of this pulley 47,
A motor as a drive means for rotating the pulley 47.
50 connected. The motor 50 is connected to the control circuit 31, and the control circuit 31 controls the rotation of the pulley 47 by the rotational driving of the motor 50.

Further, between the pulley 47 and the base end of the rotary brush 11, a belt body 48 is wound as an endless body that rotates the rotary brush 11 as the pulley 47 is rotated by the motor 50. Here, this belt body 48, pulley 47 and motor
50 and brush drive means as rotary cleaning body drive means
49 are configured. As a result, the motor 40, pinion 4
2, the pinion 45 and the rotary brush stand 46 constitute a rotary brush loading / unloading mechanism 51 as a rotary cleaning member moving means that allows the rotary brush 11 to be loaded / unloaded into / from the cleaner body 2. The rotary brush loading / unloading mechanism 51 cleans the rotary brush 11 by rotating the rotary brush base 46 about the pinion 45 by the rotation of the pinion 42 by the motor 40 and swinging the rotary brush 11. It is made to project to the front side of the machine body 2.

Further, the control circuit 31 controls the rotation driving amount of the motor 40 to adjust the rotation amount of the pinion 42 and the rotation amount of the rotary brush stand 46 to adjust the rotation brush 11 relative to the cleaner main body 2. Change the movement amount of.

On the other hand, in the cleaner body 2, as shown in FIG. 7, a sensor 57 as a contact control means for detecting a collision of the cleaner body 2 with an obstacle and a contact detection circuit 52 are connected. . The contact detection circuit 52 is connected to the control circuit 31, detects the current value supplied to the wheel drive means 7 by the control circuit 31, and detects a collision of the cleaner body 2 with an obstacle. The sensor 57 is also connected to the rotating brush 11 and detects a collision of the rotating brush 11 with an obstacle.

Further, the main body suction port 21 is provided with the main body suction port.
A rotary cleaning body (not shown) having an axial direction along the longitudinal direction of 21 is rotatably attached. A brush and a blade (not shown) are attached to the outer peripheral surface of the rotary cleaning body in the axial direction. Further, a motor (not shown) as an electric motor controlled by the control circuit 31 is connected to the rotary cleaning body, and is rotationally driven by the motor.

Further, a shutter 55 as a suction port opening / closing means for opening / closing the main body suction port 21 is attached to the main body suction port 21. The shutter 55 is connected to the control circuit 31, and the opening / closing drive is controlled by the control circuit 31.

In addition, the main body suction port 21 is connected to one end of the intake pipe 56, which is a hose body as a hose-like communication pipe having one end branched in a Y-shape, in an airtight manner. There is. This intake pipe 56 has a rotating brush 11
Dust collection case from suction port 14 and main body suction port 21 respectively
It is a suction air duct structure which forms up to 22 suction air ducts. The other branched end of the intake pipe 56 is connected to the suction port 14 of the rotating brush 11 in an airtight manner. Further, the other end of the intake pipe 56 is connected to the dust collection case 22 in an airtight manner.

As a result, in the cleaning device 1 shown in FIGS. 5 to 7, the motor 50 is driven by the control circuit 31 to rotate the pulley 47 and the belt body 48 to rotate the rotating brush 11. Therefore, the same effect as the cleaning device 1 shown in FIGS. 1 to 4 can be obtained.

Further, by controlling the drive of the motor 40 by the control circuit 31 to adjust the rotation amount of the pinion 42 and the rotation amount of the rotary brush base 46, the rotation brush 11 projects toward the cleaner body 2. The amount can be changed. Therefore, even if the floor surface is a curved wall or the like, by varying the protrusion amount of the rotating brush 11, the rotating brush 11 can more accurately clean the floor surface such as a curved wall. And it can be cleaned cleanly.

Further, since the main body suction port 21 can be opened and closed by opening and closing the shutter 55 by the control circuit 31, the shutter 55 can be closed by the control circuit 31 when cleaning a wall or a floor of a corner. For example, the suction force from the suction port 14 of the rotating brush 11 can be increased. Therefore, by closing the main body suction port 21 with the shutter 55 when cleaning the wall surface or the floor surface at the corner, the wall surface or the floor surface at the corner can be cleaned more reliably and neatly.

Next, the configuration of the third embodiment of the present invention will be described with reference to FIG.

The cleaning device 1 shown in FIG. 8 is basically the same as the cleaning device 1 shown in FIGS. 5 to 7, but the rotary brush 11 is linearly moved in and out of the front side of the cleaner main body 2. to enable.

A pinion 42 is rotatably attached to the cutout recess 41 of the bottom plate 3 of the cleaner body 2, and an elongated plate-shaped rotary brush stand 46 is fitted to the engagement groove 43 of the pinion 42. A rack 62 as an insert / extract body, in which a meshing groove 61 is formed in the longitudinal direction, is attached to one side surface of the rack. The rack 62 is arranged in the notch recess 41 with its longitudinal direction facing the front side of the cleaner body 2, and is mounted so as to be movable along the longitudinal direction of the rack 62.

Further, a pulley 47 is rotatably attached to the bottom end base area of the rack 62.
A rotating brush 11 is rotatably attached to the tip region of the lower surface of the. Furthermore, the base end of this rotating brush 11 and the pulley
Between the 47 and the rotation brush of this pulley 47
A belt body 48 that rotates 11 is wound.

As a result, in the cleaning device 1 shown in FIG. 8, the control circuit 31 controls the drive of the motor 40 to rotate the pinion 42 and move the rack 62, whereby the rotary brush 11 is rotated.
Is projected from the notch recess 41 toward the front side of the cleaner body 2, and the control circuit 31 controls the drive of the motor 50 to rotate the belt body 48, whereby the rotary brush 11 rotates. The same effects as those of the cleaning device 1 shown in FIGS. 5 to 7 can be obtained.

In each of the above embodiments, the rotating brush 11 in which the brushes 15 having the same length are planted on the outer peripheral surface of the base portion 13 in the circumferential direction has been described, but FIG. 9 (a) and FIG. 9 ( As shown in b), the length of the brush 15 is gradually increased along the diametrical direction of the base portion 13 of the rotating brush 11 so that the brush 15 is parallel to the floor surface. This brush 15
Even if the lengths are different, the same operational effects as those of the above-described respective embodiments can be obtained.

In the rotary brush 11 shown in FIGS. 9A and 9B, the length of the brush 15 of the rotary brush 11 is gradually increased and the inclination angle is gradually increased. When the rotating brush 11 is rotated by bringing it into contact with the floor surface, a gap is formed between the brush 15 of the rotating brush 11 and the floor surface, so that dust is more reliably collected from the suction port 14 of the rotating brush 11. In addition to being able to absorb dust, the brushes 15 having different lengths of the rotating brush 11 can polish the floor surface at different positions, so that a wide range of floor surfaces can be polished at one time.

Further, as shown in FIGS. 10 (a) and 10 (b), the length of the brush 15 is gradually increased along the diameter direction of the base portion 13 so that the brush 15 is inclined with respect to the floor surface. Even if the tilt angle is gradually increased with increasing
The same operation and effect as those of the rotary brush 11 shown in FIGS. 9A and 9B can be obtained.

Furthermore, as shown in FIGS. 11 (a) and 11 (b), the length of the brush 15 of the rotary brush 11 is made to alternate alternately along the circumferential direction of the base portion 13 of the rotary brush 11. Even in this case, the same operational effect as the rotary brush 11 shown in FIGS. 9A and 9B can be obtained.

Furthermore, as shown in FIGS. 12 (a) and 12 (b), the brush 15 of the rotary brush 11 is planted through a gap along the radial direction of the suction port 14 of the rotary brush 11. Also has the same effect as the rotary brush 11 shown in FIGS. 9 (a) and 9 (b), and even if the brush 15 of the rotary brush 11 is brought into contact with the floor surface and rotated, Since a gap along the radial direction of the suction port 14 is formed between the floor surface and the brush 15 of the rotary brush 11, it is possible to more reliably suck dust from the suction port 14 of the rotary brush 11.

As shown in FIG. 13, the rotating brush 11
A plurality of rows of brushes 15 are transplanted in the radial direction of the base portion 13 of
Each of the brushes 15 that are implanted in rows is curved in a concave arc shape in the rotation direction of the rotary brush 11, that is, in the state of being curved in a concave arc shape in the rotation direction of the rotary brush 11.
Even if the brush 15 is planted on the outer peripheral edge of the suction port 14 which is the lower end surface of the 13, the same effect as that of the rotary brush 11 shown in FIGS. 9A and 9B can be obtained. Further, when the rotating brush 11 is rotated, the air around the rotating brush 11 is scraped and sucked into the suction port 14 of the rotating brush 11 by the rotation of the brush 15.
Since the dust 15 scratched from the floor surface by the brush 15 can be more reliably sucked into the suction port 14, the suction port 14 of the rotating brush 11 can reliably suck the dust.

Further, although the hardness of each brush 15 of the rotating brush 11 is made equal, the hardness of each brush 15 may be appropriately different. Here, the hardness of each brush 15 of the rotary brush 11 may be softened, and the floor surface may be polished by the brush 15 by the rotation of the rotary brush 11.

Further, the main body suction port 21 may not be provided on the lower surface of the bottom plate portion 3 of the cleaner main body 2, and further, the rotary brush
When the dust is sucked from the suction port 14 of the rotating brush 11 by rotating the suction brush 11, the main body suction port 21 may be closed by the shutter 55 to increase the suction force of the suction port 14 of the rotating brush 11.

Further, when the rotary brush 11 contacts an obstacle, the control circuit 31 may control the rotary brush 11 to be housed in the cleaner body 2.

[0075]

According to the cleaning apparatus of the first aspect, the rotary cleaning body driving means rotates and drives the rotary cleaning body of the cleaner body which is moved independently by the moving means being driven by the self-sustained movement driving means. At the same time, if dust is sucked from the suction port of the vacuum cleaner body by the dust suction means, the surface to be cleaned is brushed by the rotation of the brush due to the rotation of the rotary cleaning body, and the dust located in the outer peripheral area of the suction port is also sucked. Since it is collected and sucked in, the dust that has entered the surface to be cleaned and the dust located in the outer peripheral area of the suction port can be sucked from the suction port, so that the surface to be cleaned can be cleaned more reliably.

According to the cleaning device of the second aspect, in addition to the effect of the cleaning device of the first aspect, if the length dimension of the brush of the rotary cleaning member is changed, the brush of the rotary cleaning member is attached to the surface to be cleaned. Since the gap can be formed between the surface to be cleaned and the brush of the rotary cleaning body when contacted with and rotated, the dust can be more reliably sucked from the suction port.

According to the cleaning device of the third aspect, in addition to the effect of the cleaning device of the first aspect or the second aspect, if a brush is attached to the rotary cleaning body through a gap along the radial direction of the suction port, When the brush of the rotary cleaning body is brought into contact with the surface to be cleaned and rotated, a gap can be formed between the surface to be cleaned and the brush of the rotary cleaning body along the radial direction of the suction port. Dust can be sucked in more reliably from the mouth.

According to the cleaning device of the fourth aspect, in addition to the effects of the cleaning device of the first aspect, the brush is rotated in a concave arc shape in the rotation direction of the rotary cleaning body. If it is attached to the cleaning body, the air around the rotating cleaning body is scraped into the suction port when the rotating cleaning body is rotated, so that the dust scraped from the surface to be cleaned by the brush of the rotating cleaning body can be collected. Since the dust can be more reliably sucked by the suction port, the dust can be more surely sucked by the suction port.

According to the cleaning device of the fifth aspect, in addition to the effect of the cleaning device of any of the first to fourth aspects, if the rotary cleaning body is moved by the rotary cleaning body moving means with respect to the cleaner body. The surface to be cleaned located at a corner or a wall can be cleaned with the rotary cleaning body, so that the surface to be cleaned located at a corner or a wall can be more reliably cleaned.

According to the cleaning device of the sixth aspect, in addition to the effect of the cleaning device of the fifth aspect, if the moving amount of the rotary cleaning body with respect to the cleaner body is changed by the rotary cleaning body moving means,
Since the rotary cleaning body can be moved to a desired position, the rotary cleaning body can clean the surface to be cleaned which is located near the curved wall, so that the surface to be cleaned located near the curved wall can be more reliably cleaned.

According to the cleaning device of the seventh aspect, in addition to the effect of the cleaning device of any of the first to sixth aspects, if dust is sucked from the main body suction port by the dust suction means, the outside of the main body suction port. Since the surface to be cleaned located in the area can be cleaned by the rotary cleaning body, it is possible to clean a wider area.

[Brief description of drawings]

FIG. 1 is a side view showing a first embodiment of a cleaning device of the present invention.

FIG. 2 is a bottom view showing the above cleaning device.

FIG. 3 is a cross-sectional view showing the same cleaning device.

FIG. 4 is a cross-sectional view showing the same cleaning device.

FIG. 5 is an explanatory diagram showing a part of a second embodiment of the present invention.

FIG. 6 is a perspective view showing a part of the same cleaning device.

FIG. 7 is a block diagram of the above cleaning device.

FIG. 8 is an explanatory diagram showing a part of the third embodiment of the present invention.

FIG. 9 is an explanatory diagram showing a part of another embodiment of the present invention. (a) Bottom view of rotating brush (b) Side view of rotating brush

FIG. 10 is an explanatory diagram showing a part of still another embodiment of the present invention. (a) Bottom view of rotating brush (b) Side view of rotating brush

FIG. 11 is an explanatory diagram showing a part of still another embodiment of the present invention. (a) Bottom view of rotating brush (b) Side view of rotating brush

FIG. 12 is an explanatory diagram showing a part of still another embodiment of the present invention. (a) Bottom view of rotating brush (b) Side view of rotating brush

FIG. 13 is a bottom view showing a part of still another embodiment of the present invention.

[Explanation of symbols]

1 cleaning device 2 Vacuum cleaner body 5 Running wheels as a means of transportation 7 Wheel drive means as self-sustained movement drive means 11 Rotating brush as a rotating cleaning body 14 Suction port 15 brushes 21 Body suction port 23 Electric blower as dust collecting means 34,49 Brush drive means as rotary cleaning body drive means 51 Rotating brush moving mechanism for rotating cleaning body

Claims (7)

[Claims] 1. A cleaner body, moving means for moving the cleaner body, self-supporting movement driving means for driving the moving means to independently move the cleaner body, and a surface to be cleaned of the cleaner body. And a rotary cleaning body having a brush rotatably attached to the outer periphery of the suction port, a rotary cleaning body driving means for rotationally driving the rotary cleaning body, and the suction port. A cleaning device comprising: a dust suction means for sucking dust from the cleaning device. 2. The cleaning device according to claim 1, wherein the brushes of the rotary cleaning body have different length dimensions. 3. The cleaning device according to claim 1, wherein the brush of the rotary cleaning body is attached via a gap along the radial direction of the suction port. 4. The cleaning device according to claim 1, wherein the brush of the rotary cleaning body is attached in a state of being curved in a concave arc shape in a rotation direction of the rotary cleaning body. 5. The cleaning device according to claim 1, further comprising a rotary cleaning body moving means for moving the rotary cleaning body with respect to the cleaner body. 6. The cleaning device according to claim 5, wherein the rotary cleaning body moving means is capable of varying the amount of movement of the rotary cleaning body with respect to the cleaner body. 7. The cleaning apparatus according to claim 1, further comprising a main body suction opening which is opened in the main body of the cleaner so as to face the surface to be cleaned and through which dust is sucked by the dust suction means. apparatus.