JPH11155776A - Sucker for floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to efficiently drive a rotary brush to rotate with a simple configuration by forming a discharge hole for supplying external air to the blade of the rotary brush at a position on the main body of a sucker corresponding to both the sides of the rotary brush. SOLUTION: A guide hole 20 formed on the upper surface of a lid body 4 is formed at the position of a rotary brush 11 corresponding to both terminal sections in breadthwise direction. A first rib 21 formed on the front side of the guide hole 20 and a second rib 22 formed on the rear side consist of a guide for guiding the external air sucked from the guide hole 20 to a brush body 15 and a blade 16 of the rotary brush 11. When cleaning a surface to be cleaned such as carpet, the resistance of air suction from a suck hole 7 is increased and the quantity of external air sucked from the guide hole 20 is increased. Since a discharge hole 23 is formed with an external small opening area in comparison with a sucking port 7, air sucked from the discharge hole 23 collides with the brush body 15 and blade 16 of the rotary brush 11 at high flowing speed and the rotary brush 11 is efficiently driven to be rotated in counter-clock-wise direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a floor suction tool used in connection with a vacuum cleaner.

[0002]

2. Description of the Related Art Heretofore, as this type of floor suction device, there has been known a floor suction device in which a rotary brush is rotatably supported on a suction device main body and the rotary brush is rotationally driven by an electric motor or a turbine.

[0003] The rotating brush driven by an electric motor has the drawbacks that the electric motor is heavy, the handling is poor, the structure is complicated, the number of parts is increased, and the assembling workability is poor.

[0004] When the rotary brush is driven to rotate by a turbine, the turbine is disposed in a turbine chamber formed in a suction passage from a suction port to a cleaner body, and is rotated by air sucked together with dust. Due to the configuration, there is a problem that dust or the like is entangled in the turbine over a long period of use and the turbine does not rotate properly.

Therefore, in order to solve the above-mentioned drawback, turbines are disposed at both ends of a rotating brush in Japanese Patent Application Laid-Open No. 9-28630 (A47L 9/04) or the like, and external clean air is supplied to the turbines. In this case, a turbine is rotated, and the air is sucked into a vacuum cleaner together with the air sucked from a suction port.

However, in this configuration, it is necessary to dispose the turbine on both sides of the rotating brush, and the number of parts increases, and a large amount of outside air is sucked to rotate the turbine, so that the dust suction characteristics deteriorate. It is necessary to efficiently rotate the turbine with a small amount of outside air so as not to cause the problem, and there is a problem that the turbine shape is complicated. In addition, a suction port cannot be formed on the lower surface of the turbine storage chamber, and the suction port becomes small with respect to the width of the suction tool main body.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and it is an object of the present invention to provide a floor suction tool capable of efficiently rotating a rotary brush with a simple structure.

[0008]

A first means of the present invention is as follows.
A suction tool main body having a suction port on the lower surface, a rotating brush storage chamber formed in the suction tool main body, and a rotary brush rotatably stored in the rotary brush storage chamber facing the suction port, A discharge port for supplying outside air to the blade of the rotary brush is formed at a position corresponding to both sides of the rotary brush of the suction tool main body.

The second means of the present invention comprises a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotatable brush rotatably housed, a guide port provided at a position corresponding to both sides of the rotatable brush of the suction tool main body, and a guide for guiding outside air from the guide port to a blade of the rotatable brush. It is characterized by the following.

According to a third aspect of the present invention, there is provided a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotary brush rotatably housed therein, and a guide port for supplying outside air to a blade of the rotary brush is formed at a position corresponding to both sides of the rotary brush on the front surface of the suction tool main body.

According to a fourth aspect of the present invention, there is provided a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotary brush rotatably accommodated therein, and a discharge port for supplying outside air to the brush body of the rotary brush is formed at a position corresponding to both sides of the rotary brush of the suction tool main body.

According to a fifth aspect of the present invention, there is provided a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotatable brush rotatably housed, a guide port provided at a position corresponding to both sides of the rotatable brush of the suction tool body, and a guide for guiding outside air from the guide port to a brush body of the rotatable brush. It is characterized by having done.

According to a sixth aspect of the present invention, there is provided a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotary brush rotatably housed therein, and a guide port for supplying outside air to the brush body of the rotary brush is formed at a position corresponding to both sides of the rotary brush on the front surface of the suction tool main body.

According to a seventh aspect of the present invention, there is provided a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotatable brush rotatably housed, and a guide port for guiding outside air toward a surface to be cleaned in front of the rotatable brush storage chamber at positions corresponding to both sides of the rotatable brush of the suction tool body. Features.

Eighth means of the present invention includes a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotatable brush rotatably housed, and a guide opening for guiding outside air toward a lower portion of the suction tool main body is formed at a position corresponding to both sides of the rotary brush in front of the suction tool main body, and the suction tool main body is formed. A guide portion for guiding outside air from the guide port toward the rotating brush is formed at a lower portion.

According to a ninth aspect of the present invention, there is provided a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotatable brush rotatably housed, and a guide opening for guiding outside air toward a lower portion of the suction tool main body is formed at a position corresponding to both sides of the rotary brush in front of the suction tool main body; At the lower part, a guide portion for guiding the outside air from the guide port toward the rotating brush is formed,
A guide for guiding outside air from the guide port toward the guide portion is formed behind the guide port.

According to a tenth aspect of the present invention, there is provided a suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotary brush storage chamber facing the suction port. A rotatable brush rotatably housed, at positions corresponding to both sides of the rotatable brush in front of the suction tool body,
A guide port for guiding the outside air toward the lower side of the suction tool main body is formed, and a guide portion for guiding the outside air from the guide port toward the rotating brush is formed at a lower portion of the suction tool main body. Is characterized in that a guide for guiding the outside air from the guide port toward the guide portion is formed, and the guide is extended to the rotation center of the rotating brush or below the rotation center.

[0018]

FIG. 1 shows a first embodiment of the present invention.
This will be described in detail below with reference to FIG.

Reference numeral 1 denotes a suction tool main body, an upper case 2, a lower case 3, a lid 4 removably engaged with the upper case 2 and the lower case 3, and a vertically movable member between the upper and lower cases 2, 3. It is composed of a rotating pipe 5 supported and a joint pipe 6 rotatably supported by the rotating pipe 5.

Reference numeral 7 denotes a suction port formed in the bottom surface of the suction tool main body 1, and reference numeral 8 denotes a rotary brush storage chamber formed in the suction tool main body 1.

Numerals 9 are shaft supports formed on both sides of the suction tool main body 1, and rotatably support wheels 27 described later. Ten
Is a rib defined from the upper and lower cases 2 and 3 of the suction tool main body 1 to partition the shaft support 10 and the rotary brush storage chamber 8, and the outside air is supplied to the rotary brush storage chamber 8 via the shaft support 10. Prevents suction.

Reference numeral 11 denotes a rotary brush rotatably stored in the rotary brush storage chamber 8 in a state facing the suction port 7.
The rotating brush 11 includes a core body 12, a pair of brush bodies 15 which are mounted by inserting a base 14 into a spiral groove 13 formed in the core body 12, and a spiral groove of the core body 12. The brush body 15 and the blade 16 are disposed between the two ends of the core body 12 by about 90 degrees.
Twisted degrees.

The blade 16 includes a cloth 17 and the cloth
Base made of synthetic resin molded at the end of 17
And a brush-like body 19 sewn to the end of the cloth-like body 17
By forming the base 18 on the cloth-like body 17, the end of the cloth-like body 17 is deformed so as to undulate, and further, the brush-like body 19 is sewn to the end of the cloth-like body 17. As a result, the cloth 17 is bent as if pulled. The blade 16 is mounted on the core 12 so as to be curved rearward with respect to the rotation direction of the rotating brush 11.

The blade 16 is curved rearward in the rotation direction of the rotating brush 11 as shown in FIG. 4 when the rotating brush 11 is in the rotation stopped state and in the low-speed rotating state. In the high-speed rotation state, a centrifugal force accompanying the rotation causes the robot to be in an upright state as shown in FIG.
The diameter of the rotation locus of the brush body 15 is larger than that of the brush body 15. When the rotary brush 11 is stopped, the suction tool main body 1
The brush body 15 and the blade 16 are formed so as not to come into contact with the floor surface even if the brush member is placed on the floor surface.

Reference numeral 20 denotes a guide port formed on the upper surface of the lid 4 and formed at a position corresponding to both ends in the width direction of the rotary brush 11. Reference numeral 21 denotes a first rib formed on the front side of the guide port 20, and constitutes a guide for guiding outside air sucked from the guide port 20 to the brush body 15 and the blade 16 of the rotating brush 11. The first rib 21 is formed so as to hang down from the rear surface of the lid 4 at a position closer to the rotation center of the rotary brush 11 than the foremost position of the rotation locus of the blade 16 and is located within the projection range of the rotation locus. It extends below the highest position of the 15 rotation trajectories.

Reference numeral 22 denotes a second rib formed on the rear side of the guide port 20.
And a guide leading to the brush body 15 and the blade 16. The second rib 22 extends forward from the center of rotation of the rotary brush 11, and a discharge port 23 is formed between the tip of the first rib 21 and the second rib 22.

Numeral 24 is a cover attached to the lid 4 by a plurality of locking claws 25.
23 is not directly visible from outside. An intake path 26 is formed between the first rib 21, the second rib 22, and the cover body 24, and the intake path 26 is configured so that the width gradually decreases from the guide port 20 toward the discharge port 23.

Reference numeral 27 denotes a front wheel to be mounted on the shaft support 9.
The suction tool main body 1 is formed to have substantially the same diameter as the outer diameter. 28 is a rear wheel pivotally supported by the rear part of the suction tool main body 1, 29 is a suction keeper disposed before and after the suction port 7, and is formed of a flexible material such as soft rubber. The suction keeper 29 improves the deep suction force.

When the joint pipe 6 is connected to the cleaner main body via the flexible hose and the extension pipe, and the electric blower of the cleaner main body is driven, air is sucked from the suction port 7. When the suction tool body 1 is lifted from the surface to be cleaned, the suction port 7
Most of the air is sucked in from the suction port 7 because the suction resistance from the suction port is small. In this state, since the suction port 7 is largely open, the flow velocity of the air sucked from the suction port 7 is relatively low, and therefore, the rotating brush 11 hardly rotates.

When cleaning a floor surface such as a flooring or a tatami mat, the space between the surface to be cleaned and the suction port 7 is relatively large.
The suction resistance from the suction port 7 is small, so that most of the air is sucked from the suction port 7 and hardly sucked from the guide port 7. In this state, the air sucked from the space between the suction port 7 and the surface to be cleaned has a high flow velocity.
The air sucked from the air collides with the brush body 15 and the blade 16 of the rotating brush 11, and rotates the rotating brush 11 counterclockwise in FIG.

The blade 16 is curved rearward in the rotation direction of the rotary brush 11 as shown in FIG. 4 when the rotation of the rotary brush 11 is stopped or in a low-speed rotation state. The rotating brush 11 is efficiently rotated, and the rotating brush 11 rotates efficiently.

When the rotating brush 11 rotates at a high speed, the blade
16 is erected by the centrifugal force as shown in FIG. In the upright state of the blade 16, the blade 16 comes into contact with the floor surface or the tatami mat and performs polishing and cleaning. Since the blade 16 uses the easily deformable cloth-like body 17, even if it touches the floor surface or the tatami mat, the floor surface or the tatami mat is not damaged.

When cleaning the surface to be cleaned such as a carpet or the like, the suction port 7 is covered with the surface to be cleaned, the intake resistance from the suction port 7 increases, and the amount of outside air sucked from the guide port 20 increases. .
Since the discharge port 23 has an opening area much smaller than that of the suction port 7, the air sucked from the discharge port 23 collides with the brush body 15 and the blade 16 of the rotating brush 11 at a high flow rate, and Rotate 11 counterclockwise in FIG.

The first rib 21 is formed so as to hang down from the foremost position of the rotation locus of the blade 16 to a position on the rotation center side of the rotating brush 11 and extend below the highest position of the brush body 15 rotation locus. The outside air sucked from the discharge port 23 is a brush body
The brush body 15 and the blade are reliably prevented by wrapping around the rotary brush 11 without colliding with the blade 15 or the blade 16.
16 and the rotary brush 11 can be driven to rotate efficiently.

Since the second ribs 22 extend forward from the rotation center of the rotating brush 11 toward the brush body 15 and the blade 16, the outside air sucked from the discharge port 23 can remove the outside air. In addition, it is possible to prevent the rotary brush 11 from being directly sucked into the rotary tube 5 by passing over the rotary brush 11 without contacting the blade 16 and to reliably guide the rotary brush 11 to the brush body 15 and the blade 16. It can be driven to rotate efficiently.

The intake passage 26 for guiding the outside air from the guide port 20 to the discharge port 23 is configured so as to be gradually narrowed toward the discharge port 23, so that generation of noise due to a change in the area of the ventilation path is reduced. And the brush body 15 and the blade from the discharge port 23.
The rotation efficiency of the rotating brush 11 can be improved by increasing the flow velocity of the outside air that collides with the 16.

The outside air from the guide port 20 collides with the surface to be cleaned to lift up the dust and the like on the surface to be cleaned, and efficiently combines the dust with the suction force of the vacuum cleaner and the scraping force of the rotating brush 11. Since the guide openings 20 can be removed and the guide openings 20 are formed at positions corresponding to both end portions of the rotating brush 11, dust removal efficiency at both end sides where the suction force is weakest can be improved.

Further, by sucking air from the guide port 20, the suction tool main body 1 can be prevented from sticking to the surface to be cleaned, and the mobility of the suction tool main body 1 can be improved.

When cleaning a carpet or the like, the surface to be cleaned becomes a resistance and the rotation speed of the rotating brush 11 decreases, but as the rotation speed of the rotating brush 11 decreases, the blade 16 reduces the centrifugal force. As a result, it gradually curves backward with respect to the rotation direction so as to restore the shape at the time of stop, and the contact resistance with the surface to be cleaned is reduced and the rotation speed is increased. By repeating this operation, the rotation speed of the rotating brush 11 is maintained substantially constant.

Since the blade 16 is formed by sewing the brush-like body 19 to the cloth-like body 17, the blade 16 can be easily bent, and the blade 16 is centrifugally moved by the brush-like body 19 as a weight. The blade 16 can be easily erected, the blade 16 can be erected and curved even by a slight change in the rotation speed of the rotating brush 11, and the rotation speed of the rotating brush 11 can be maintained substantially constant.

In the above embodiment, the blade 16
Was composed of a cloth-like body 17, a base 18, and a brush-like body 19,
It may be formed integrally with a flexible material such as soft rubber.

In the above embodiment, the intake passage
26 is formed by a horizontally elongated slit, but the strength of the lid 4 is reduced, and the lid 4 is deformed toward the rotary brush storage chamber 8 due to a decrease in the pressure of the rotary brush storage chamber 8 when cleaning a carpet or the like. In order to prevent the brush body 15 and the blade 16 from coming into contact with the first rib 21 and the second rib 22, it is preferable that the intake path 26 be formed in a plurality of parts.

Next, a second embodiment of the present invention will be described in detail with reference to FIGS. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

Reference numeral 30 denotes a guide opening formed at a lower front portion of the suction tool main body 1 by positioning the bottom surface in front of the suction port 7 of the suction tool main body 1 above the other bottom surface portion.
It is formed at a position corresponding to both ends of the rotating body 15 and the blade 16, and communicates with the suction port 7.

A bumper 31 is sandwiched and fixed between the upper case 2 and the lid 4 and the lower case 3, and is made of a flexible material such as soft rubber. 32 is the bumper 31
The guide port 30 is closed by a closing body formed integrally with the guide port 30.

According to the second embodiment of the present invention, when the joint pipe 6 is connected to the cleaner body via the flexible hose and the extension pipe, and the electric blower of the cleaner body is driven. ,
Air is sucked from the suction port 7. When the suction tool main body 7 is lifted from the surface to be cleaned, most of the air is sucked from the suction port 7 because the suction resistance from the suction port 7 is small. In this state, since the suction port 7 is largely open, the flow velocity of the air sucked from the suction port 7 is relatively low, and the rotating brush 11 hardly rotates.

When cleaning a floor surface such as a flooring or a tatami mat, the space between the surface to be cleaned and the suction port 7 is relatively wide, so that the suction resistance from the suction port 7 is small, and The pressure does not become large negative pressure. Therefore, the guideway
The closing body 32 closing the 30 does not deform and open the guide port 30. In this state, since the air sucked from between the suction port 7 and the surface to be cleaned has a high flow velocity, the air sucked from the suction port 7 is applied to the brush body 15 of the rotating brush 11 and the blade 16.
And drives the rotary brush 11 to rotate counterclockwise in FIG.

When the surface to be cleaned such as a carpet is cleaned, the suction port 7 is covered with the surface to be cleaned, the suction resistance from the suction port 7 increases, and the pressure in the rotary brush storage chamber 8 decreases. As shown in FIG. 7, the closing body 32 deforms toward the suction port 7 side to open the guide port 30, and the outside air sucked through the guide port 30 collides with the brush body 15 and the blade 16 to rotate. Brush 11
Is driven to rotate. Since the outside air sucked from the guide port 30 collides with the brush body 15 and the blade 16 in the process of being sucked toward the rotating pipe 5, the collision force against the brush body 15 and the blade 16 is strong, and the rotating brush 11 Rotate efficiently.

The outside air from the guide port 30 collides with the surface to be cleaned to lift up the dust and the like on the surface to be cleaned, and efficiently combines the dust with the suction force of the vacuum cleaner and the scraping force of the rotating brush 11. Since the guide opening 20 is formed at a position corresponding to both side portions of the rotating brush 11, the dust removing efficiency of the portion having the weakest suction force can be improved.

Further, by sucking the outside air through the guide port 30, the suction tool main body 1 can be prevented from sticking to the surface to be cleaned, and the mobility of the suction tool main body 1 can be improved.

FIGS. 9 and 1 show a third embodiment of the present invention.
0 will be described in detail below. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

Reference numeral 33 denotes a guide port formed in the lid 4 of the suction tool main body 1, and is formed at the center in the width direction of the suction tool main body 1. Numeral 34 denotes a guide rib which is formed to hang down from the lid 4 and guides the outside air sucked from the guide port 33 so as to collide with the surface to be cleaned in front of the rotary brush 11. Reference numeral 35 denotes a cover that covers a portion of the lid 4 where the guide opening 33 is formed with a space between the cover 4 and the ventilation hole 36 that communicates with the guide opening 33 through the space. . Thus,
The joint pipe 6 is connected to the cleaner body via a flexible hose and an extension pipe.
Is connected, and when the electric blower of the cleaner body is driven, air is sucked from the suction port 7. When the suction tool body 7 is lifted from the surface to be cleaned, since the suction port 7 is largely open, the flow velocity of the air sucked from the suction port 7 is relatively low, and therefore, the rotating brush 11 almost rotates. There is no.

When cleaning floors such as flooring, tatami mats, etc., the space between the surface to be cleaned and the suction port 7 is relatively large.
The suction resistance from the suction port 7 is small, so that most of the air is sucked from the suction port 7 and hardly sucked from the guide port 33. In this state, the air sucked from the space between the suction port 7 and the surface to be cleaned has a high flow velocity.
9 collides with the brush body 15 and the blade 16 of the rotating brush 11, and rotates the rotating brush 11 counterclockwise in FIG.

When the surface to be cleaned such as a carpet is cleaned, the suction port 7 is covered with the surface to be cleaned, the intake resistance from the suction port 7 increases, and the amount of air sucked from the guide port 33 increases. .
Since the guide opening 33 is formed with a small opening area, the air sucked from the guide opening 33 collides with the surface to be cleaned at a high flow velocity, jumps up dust and the like on the surface to be cleaned, and enters the cleaner body together with the dust. It is sucked. The outside air sucked from the guide port 33 is guided to the surface to be cleaned by the guide ribs 34, collides with the surface to be cleaned at a high flow rate, and efficiently jumps up dust and the like on the surface to be cleaned, thereby improving the dust removal efficiency. The air colliding with the surface to be cleaned further collides with the brush body 15 and the blade 16 and
Is rotated counterclockwise in FIG. Since the guide openings 33 are formed at positions corresponding to both end portions of the rotating brush 11,
The dust removal efficiency of the weakest part of the suction force can be improved.

Further, by sucking air from the guide port 33, the suction tool main body 1 can be prevented from sticking to the surface to be cleaned, and the mobility of the suction tool main body 1 can be improved.

The fourth embodiment of the present invention will be described below in detail with reference to FIGS. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

Reference numeral 37 denotes a suction tool main body, and an upper case 38 and a lower case
39, a lid body 40 that removably engages with the upper case 38 and the lower case 39, a rotating pipe 43 that is rotatably supported between the upper and lower cases 38, 39 and includes upper and lower members 41, 42, The rotating tube 43
The upper and lower members 41 and 42 are configured so as to be vertically movable.

The upper member 41 of the rotating tube 43 has a sliding member 45 slidable with respect to the upper member 41, and an engaging claw 46 formed at an end of the sliding member 45 Fitting tube 44
When the joint pipe 44 is rotated upward with respect to the suction tool main body 37, the sliding member 45 is engaged with the upper member 41 of the rotary pipe 43. Housed in a fitting tube
The pivot 44 can be rotated by about 90 degrees with respect to the suction tool main body 37.

Numeral 48 denotes a curved guide formed at the front end of the suction port 7 of the lower case 39. Outside air sucked from a guide port 51 described later collides with the guide 48 and guides it toward the rotary brush 11 side. It is supposed to be. A small wheel 49 is provided on the lower surface of the guide section 48. Reference numeral 50 denotes a projecting opening formed on both sides of the front end of the lower case 39 so as to communicate with the suction port 7. The suction port 7 extends forward of the front wheel 27 and includes a suction tool body including the front wheel 27. 1 can form a suction port over the entire width,
The cleaning efficiency can be improved.

Reference numeral 51 denotes a guide port formed in front of the lid 40, which is formed at a position corresponding to both ends of the rotary brush 11. Reference numeral 52 denotes a guide rib which is formed to be hung on the guide port 51 rear side of the lid 40, and guides the outside air sucked from the guide port 51 toward the guide portion 48. The lower end extends to the position of the center of rotation of the rotating brush 11 or below the center of rotation.

The rotary brush 11 has a pair of blades 16 similar to those of the first to third embodiments, and a blade 67 formed of rubber or the like into a curved shape on the rear side in the rotation direction. ing.

Reference numeral 53 denotes the projecting opening 50 in front of the lid 40.
The air introduced from the inflow port 53 guides the dust located in front of the front wheel 27 to the suction port 7 so as to be sucked up and sucked by the air introduced from the inflow port 53. ing.

Numeral 54 denotes an extended portion projecting substantially at the center of the rear of the lower case 39. A rear wheel 55 is rotatably supported at the rear end of the extended portion 54, and the main body of the suction tool is cleaned during cleaning. By supporting the lower part of the connection between the rotating pipe 43 and the joint pipe 44, which exerts the most force on the 37, by the rear wheel 55, it is possible to prevent the front of the suction tool body 37 from floating and maintain the balance. It has become.

Reference numeral 56 denotes a raised member provided on the lower surface of the extending portion 54. The raised member 56 allows the floor surface to be wiped and cleaned when the suction tool main body 37 moves back and forth.

An upper and lower case 57 is provided at the front of the suction tool body 37.
A bumper disposed so as to be sandwiched between 38 and 39. The bumper is formed of a flexible material such as soft rubber and integrally forms a flap 58 serving as a suction key bar. The suction keeper 59 disposed at the rear of the mouth 7 improves the deep suction force. A plurality of protrusions 60 are formed on the back surface of the flap 58 of the bumper 57, and during cleaning, when pulling the suction tool main body 37 toward the hand side,
The protrusions 59 can catch lint and the like on the surface to be cleaned such as a carpet and can surely suck the lint.

When the joint pipe 44 is connected to the cleaner body via the flexible hose and the extension pipe, and the electric blower of the cleaner body is driven, air is sucked from the suction port 7. When the suction tool body 37 is lifted from the surface to be cleaned, the suction port 7
Most of the air is sucked in from the suction port 7 because the suction resistance from the suction port is small. In this state, since the suction port 7 is largely open, the flow velocity of the air sucked from the suction port 7 is relatively low, and therefore, the rotating brush 11 hardly rotates.

When cleaning a floor surface such as a flooring, a tatami mat, or the like, the space between the surface to be cleaned and the suction port 7 is relatively large.
The suction resistance from the suction port 7 is small, so that most of the air is sucked from the suction port 7 and hardly sucked from the guide port 51 and the inflow port 53. In this state, since the air sucked from the space between the suction port 7 and the surface to be cleaned has a high flow velocity, the air sucked from the suction port 7 collides with the blades 16 and 67 of the rotating brush 11, and the rotating brush 11 Rotate counterclockwise in FIG.

When cleaning the surface to be cleaned such as a carpet or the like, the suction port 7 is covered with the surface to be cleaned, the air intake resistance from the suction port 7 increases, and the outside air sucked from the guide port 51 and the inflow port 53. The amount increases. Since the guide port 51 has an extremely small opening area compared to the suction port 7, the air sucked from the guide port 51 collides with the guide portion 48 of the lower case 39 at a high flow velocity, and the outside air is The flowing direction is changed to collide with the blades 16 and 67 of the rotating brush 11 and rotate the rotating brush 11 counterclockwise in FIG.

The air flowing from the guide port 51 is supplied to the suction device main body 37.
Since the spray is directed downward and the direction is changed to the rotating brush 11 side by the guide portion 48, the rotating brush 11 abuts the blades 16 and 67 located below the core 12 of the rotating brush 11, and a carpet with a long bristle foot etc. The blades 16 and 67 can be prevented from getting caught on a carpet or the like when cleaning the rotary brush, and the rotating brush 11 can be surely rotated.

Since the inlet 53 has an opening area much smaller than that of the suction port 7 like the guide port 51, the air sucked from the inlet 53 flows at a high flow rate to the front wheels 27.
Flows into the protruding opening 50 corresponding to the front of the front wheel 27, and winds up dust at a position corresponding to the front of the front wheel 27 so that the suction port 7
The dust can be sucked through the entire width of the suction tool main body 37, so that the unsucked portion can be reduced.

The guide rib 52 has its tip extended below the rotation center position of the rotary brush 11 or below the rotation center, and the air sucked from the guide port 51 passes directly above the rotary brush 11 and rotates directly. The suction by the tube 43 can be prevented, and the guide can be reliably guided to the guide portion 48, so that the rotary brush 11 can be driven to rotate efficiently.

Since the guide openings 51 are formed at two positions corresponding to both ends of the rotary brush 11, the efficiency of removing dust at both ends where suction force is weakest can be improved, and the blades of the rotary brush 11 can be improved. 16 and 67 are approximately 9 between both ends
Combined with the 0 degree twist, the outside air always hits two of the blades 16 and 67.
Can be smoothly rotated.

If a guide opening is formed in the front center of the suction tool main body 37, the center is located at a position corresponding to the rotation pipe 43 communicating with the cleaner body, so that the suction force of the rotation pipe 43 can be reduced. Due to the influence, the flow of the outside air sucked from the guide port 51 directly above the rotary brush 11 and directly sucked into the rotary tube 43 is relatively likely to occur, and it is difficult to sufficiently obtain the rotational force of the rotary brush 11, Two guide openings corresponding to both ends of the brush 11
By forming the 51, it is difficult for the outside air sucked from the guide port 51 to be directly sucked into the rotating tube 43 through the upper portion of the rotating brush 11, and a sufficient rotating force can be obtained.

Since the rotating pipe 43 is rotatable in the left-right direction of the suction tool main body 37 and the joint pipe 44 is arranged to be rotatable vertically with respect to the rotating pipe 43, By rotating the upper end 44 substantially 90 degrees and rotating the turning tube 43 approximately 90 degrees, an extension tube (not shown) and a flexible hose connected to the joint tube 44 are connected to the longitudinal direction of the suction tool main body 37. It is almost parallel, and the suction tool body is in a narrow space such as a gap between furniture
37 can be entered, and the cleaning efficiency can be improved.

A rotary brush according to another embodiment of the present invention will be described in detail with reference to FIG.
A pair of brush bodies 65 inserted into the spiral groove 63 of the core body 62 by inserting the base 64, and the above-described embodiment in which the base part 18 is inserted into the spiral groove 63 of the core body 62 and installed. And a similar pair of blades 16.

The brush body 65 has a relatively hard cloth-like base.
The brush 64 is folded by sandwiching the core 66 and fixed with an adhesive or the like, and the fixed part is inserted into the groove 63 of the core body 62 and mounted, and the brush is implanted on the free end side of the base 64. The body 65 is mounted so as to be inclined rearward with respect to the rotation direction of the rotating brush 61.

The blade 16 is formed in the same manner as in the first embodiment, but is corrected so as not to bend.

In this embodiment, the brush body 40 rises and tilts in accordance with the same rotation fluctuation as the blade 16 of the first embodiment described above, and maintains the rotation speed of the rotary brush 36 substantially constant. be able to.

Further, the brush body may be formed in a curved shape as in the above embodiment, and the blade may be mounted on the core body at an angle. Further, both the brush body and the blade may be curved or inclined and attached to the core body.

[0080]

As described above, according to the configuration of the first aspect of the present invention, the outside air is guided from the discharge port to the blades of the rotary brush without providing a turbine for driving the rotary brush, and thus the carpet or the like is obtained. Even during cleaning, the rotating brush can be driven to rotate efficiently. Since the discharge port is formed at a position corresponding to both end portions of the blade of the rotating brush, there is an effect that the dust removal efficiency can be improved.

According to the configuration of the second aspect of the present invention, without providing a turbine for driving the rotary brush, the outside air is guided from the guide port to the blade of the rotary brush, thereby efficiently cleaning the carpet or the like. The rotating brush can be driven to rotate. Since the guide that guides the outside air from the guide port is formed at the position corresponding to both ends of the blade,
There are effects such as improvement in dust removal efficiency.

According to the configuration of the third aspect of the present invention, without providing a turbine for driving the rotating brush, the outside air is guided from the guide port to the blade of the rotating brush, so that the carpet can be efficiently cleaned. The rotating brush can be driven to rotate. Since the guide openings are formed at positions corresponding to both end portions of the blade, effects such as improvement in dust removal efficiency can be achieved.

According to the configuration of the fourth aspect of the present invention, the external air is guided from the discharge port to the brush body of the rotary brush without providing a turbine for driving the rotary brush, so that the efficiency can be improved even when cleaning a carpet or the like. The rotating brush can be driven to rotate well. Since the discharge port is formed at a position corresponding to both end portions of the brush body of the rotating brush, there is an effect that dust removal efficiency can be improved.

According to the fifth aspect of the present invention, without providing a turbine for driving the rotating brush, the outside air is guided from the guide port to the brush body of the rotating brush, so that the efficiency can be improved even when cleaning a carpet or the like. The rotating brush can be driven to rotate well. Since the guide that guides the outside air from the guide port is formed at the position corresponding to both ends of the brush body,
There are effects such as improvement in dust removal efficiency.

According to the configuration of the sixth aspect of the present invention, the external air is guided from the guide port to the brush body of the rotary brush without providing a turbine for driving the rotary brush, so that the efficiency can be improved even when cleaning a carpet or the like. The rotating brush can be driven to rotate well. Since the guide openings are formed at positions corresponding to both end portions of the brush body, effects such as improvement in dust removal efficiency can be achieved.

According to the configuration of claim 7 of the present invention, without providing a turbine for rotationally driving the rotating brush,
Even when cleaning a carpet or the like, the rotating brush can be efficiently driven to rotate by the outside air from the guide opening. Since the guide openings are formed at positions corresponding to both end portions of the rotating brush, the rotating brush can be efficiently driven to rotate and the dust removal efficiency can be improved.

According to the configuration of claim 8 of the present invention, without providing a turbine for rotationally driving the rotating brush,
Even when cleaning a carpet or the like, the rotating brush can be efficiently driven to rotate by the outside air from the guide opening. Since the guide openings are formed at positions corresponding to both end portions of the rotating brush, the rotating brush can be efficiently driven to rotate and the dust removal efficiency can be improved.

Also, since the outside air from the guide port is blown toward the guide portion and is changed in the direction toward the rotating brush by the guide portion, the outside air abuts on the lower side from the rotation center of the rotating brush and the bristle is long. When cleaning a carpet or the like, the rotating brush is prevented from being caught on the carpet or the like and can be reliably rotated.

According to the configuration of the ninth aspect of the present invention, without providing a turbine for rotationally driving the rotary brush,
Even when cleaning a carpet or the like, the rotating brush can be efficiently driven to rotate by the outside air from the guide opening. Since the guide openings are formed at positions corresponding to both end portions of the rotating brush, the rotating brush can be efficiently driven to rotate and the dust removal efficiency can be improved.

Further, since the outside air from the guide port is efficiently blown toward the guide portion by the guide, and the direction is changed to the rotating brush side by the guide portion, the outside air abuts on the lower side from the rotation center of the rotating brush, When cleaning a carpet or the like with long hairs, the rotating brush can be reliably rotated by preventing the carpet from being caught on the carpet or the like.

According to the tenth aspect of the present invention, the rotary brush is efficiently rotated even when cleaning a carpet or the like by the outside air from the guide port without providing a turbine for rotating the rotary brush. be able to. Since the guide openings are formed at positions corresponding to both end portions of the rotating brush, the rotating brush can be efficiently driven to rotate and the dust removal efficiency can be improved.

Further, since the outside air from the guide port is blown toward the guide portion and is changed in the direction toward the rotary brush by the guide portion, the outside air abuts on the lower side from the rotation center of the rotary brush, and the bristle feet are long. When cleaning a carpet or the like, the rotating brush is prevented from being caught on the carpet or the like and can be reliably rotated.

Further, by extending the guide to the position of the center of rotation of the rotating brush or below the center of rotation, the outside air from the guide opening is prevented from passing above the rotating brush and reliably guided toward the guide portion. As a result, a sufficient rotating force of the rotating brush can be obtained.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of the present invention.

FIG. 2 is a top view of the same.

FIG. 3 is a cross-sectional view as viewed from another direction.

FIG. 4 is a sectional view showing a stopped state of the rotary brush.

FIG. 5 is a sectional view showing a rotating state of the rotating brush.

FIG. 6 is a sectional view taken along line AA in FIG. 8, showing a second embodiment of the present invention.

FIG. 7 is a view showing the cleaning state of the carpet and the like in FIG.
It is sectional drawing.

FIG. 8 is a top view of the same.

FIG. 9 is a sectional view taken along the line BB in FIG. 10 showing the third embodiment of the present invention.

FIG. 10 is a top view of the same.

FIG. 11 is a top view showing a fourth embodiment of the present invention.

FIG. 12 is a sectional view of the same.

FIG. 13 is a longitudinal sectional view of a central portion of the suction tool main body.

FIG. 14 is a sectional view taken along the line AA in FIG.

FIG. 15 is a side view of the same.

FIG. 16 is a sectional view showing another embodiment of the rotating brush of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor suction tool 7 Suction port 8 Rotary brush storage room 11 Rotary brush 15 Brush body 16 Blade 20 Guide port 21 First rib (guide) 22 Second rib (guide) 23 Discharge port 30 Guide port 33 Guide port 48 Guide section 51 Guideway 52 Guide rib (guide)

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Keiichi Sato 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Toshiyuki Fujiyoshi 2-chome, Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. (72) Inventor Yoshihiro Mori 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (10)

[Claims] 1. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A suction port for supplying outside air to the blades of the rotary brush at positions corresponding to both sides of the rotary brush of the suction tool main body. 2. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A brush, and a guide port is provided at a position corresponding to both sides of the rotary brush of the suction tool main body, and a guide for guiding outside air from the guide port to a blade of the rotary brush is formed. Suction implement. 3. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A suction port for supplying outside air to blades of the rotary brush at positions corresponding to both sides of the rotary brush on the front surface of the suction tool main body. 4. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A floor suction tool, comprising: a brush; and a discharge port for supplying outside air to the brush body of the rotary brush at positions corresponding to both sides of the rotary brush of the suction tool body. 5. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A floor provided with a brush and a guide port provided at a position corresponding to both sides of the rotary brush of the suction tool main body, and a guide for guiding outside air from the guide port to a brush body of the rotary brush is formed. Suction device. 6. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A suction port for supplying outside air to a brush body of the rotary brush at a position corresponding to both sides of the rotary brush on the front surface of the suction tool main body. 7. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A suction port for guiding the outside air toward a surface to be cleaned in front of the rotary brush storage chamber at positions corresponding to both sides of the rotary brush of the suction tool main body. . 8. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A guide port for guiding the outside air toward the lower side of the suction tool main body at a position corresponding to both sides of the rotary brush in front of the suction tool main body, and a lower portion of the suction tool main body from the guide port. A floor guide for guiding the outside air toward the rotary brush. 9. A suction tool main body having a suction port on a lower surface, a rotary brush storage chamber formed in the suction tool main body, and a rotation rotatably stored in the rotary brush storage chamber facing the suction port. A guide port for guiding the outside air toward the lower side of the suction tool main body at a position corresponding to both sides of the rotary brush in front of the suction tool main body, and a lower portion of the suction tool main body from the guide port. A guide portion for guiding the outside air toward the rotating brush is formed, and behind the guide port,
A floor suction tool, wherein a guide for guiding outside air from a guide port toward a guide portion is formed. 10. A suction tool main body having a suction port on a lower surface,
A rotary brush storage chamber formed in the suction tool main body, and a rotary brush rotatably stored in the rotary brush storage chamber facing the suction port, on both sides of the rotary brush in front of the suction tool main body. At a corresponding position, a guide port for guiding outside air downwardly of the suction tool main body is formed, and a guide portion for guiding outside air from the guide port toward the rotating brush is formed at a lower portion of the suction tool main body, A guide for guiding the outside air from the guide port toward the guide portion is formed behind the guide port, and the guide extends to the rotation center of the rotating brush or below the rotation center. Utensils.