JPH1170062A - Suction device for floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to improve rotation efficiency of a rotary brush, by composing the rotary brush of a core body and a blade equipped on the core body, and constituting the blade by a flexible member curved toward the rotation direction side of the rotary brush. SOLUTION: A rotary brush 14 placed in a rotary brush room facing a suction port comprises a core body 15, a brush body 18 mounted by inserting a base part 17 into a groove 16 of the core body 15, and a flexible blade 19 mounted by inserting a base part 21 into the groove 16 of the core body 15. The blade 19 is constituted of a cloth body 20, a base part prepared by molding a resin on one end of the cloth body 20, and a brush body 22 sewed to the other end of the cloth body 20. The cloth body 20 is curved by sewing the brush body 22 like twisted, and the blade 19 is mounted so as to be curved toward the rotation direction of the rotary brush 14. The blade 19 is erected by centrifugal force of the rotation of the rotary brush 14 and the diameter of rotary locus of the blade 19 is made larger than that of the brush body 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor suction tool provided with a turbine for driving a rotary brush by an intake air flow.

[0002]

2. Description of the Related Art Conventionally, floor suction devices for rotating a turbine by rotating a turbine by an intake air flow are disclosed in, for example, Japanese Patent Application Laid-Open No. 9-28630 (A47L 9/04) and Japanese Patent Application Laid-Open No. 8-56.
Various methods have been proposed in, for example, Japanese Patent Publication No. 876 (A47L 9/04).

[0003] However, since it is a method of rotating by an intake air flow, especially when cleaning a carpet or the like having a long bristle, the surface to be cleaned has a large resistance and the rotating brush does not rotate well, and lint and the like are removed. There was a problem that could not be removed.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and has as its object to provide a floor suction tool capable of improving the rotation efficiency of a rotating brush.

[0005]

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 rotatably supported in the suction tool body facing the suction port, and a turbine for rotating and driving the rotary brush,
The rotary brush is constituted by a core and a blade provided on the core, and the blade is constituted by a flexible member curved toward a rotation direction side of the rotary brush.

A second means of the present invention comprises a suction tool main body having a suction port on a lower surface, a rotary brush rotatably supported in the suction tool main body facing the suction port, and rotating the rotary brush. And a driving turbine, wherein the rotating brush is
A core body, and a blade provided on the core body, the blade being attached to the core body and curved toward the rotating direction of the rotary brush, and a brush attached to a tip of the cloth body And a state body.

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 rotatably supported in the suction tool main body facing the suction port, and rotating the rotary brush. And a driving turbine, wherein the rotating brush is
A flexible member comprising a core, a brush mounted on the core, and a blade mounted on the core, wherein the blade is mounted on the core and curved in a rotating direction of the rotating brush. Wherein the blade is formed to have a diameter of a rotation locus larger than a diameter of a rotation locus of the brush body when the blade stands up due to centrifugal force during rotation of the rotary brush.

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 rotatably supported in the suction tool body facing the suction port, and rotating the rotary brush. And a driving turbine, wherein the rotating brush is
A core body, a brush body mounted on the core body, and a blade mounted on the core body, and the blade is a cloth body mounted on the core body and curved in a rotating direction of the rotating brush. A brush-like body attached to the tip of the cloth-like body, and in a state where the blade stands up due to centrifugal force during rotation of the rotating brush, the diameter of the rotation locus of the blade is larger than that of the brush body. It is characterized by being formed large.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail below with reference to the drawings.

Reference numeral 1 denotes a suction tool main body composed of upper and lower cases 2 and 3, and has a suction port 4 on a lower surface. Reference numeral 5 denotes a connection pipe connected to the center of the rear part of the suction tool main body 1, and is connected to an extension pipe (not shown). Reference numeral 6 denotes a pivot shaft of the connection pipe 5, which is formed in a hollow shape and rotatably supported between a shaft support portion (not shown) formed on a partition wall 7 of the lower case 3 described later and the upper case 2. At the same time, an intake path 9 described later communicates with the inside of the connection pipe 5 via the pivot 6.

Reference numeral 7 denotes a partition wall formed in the lower case 3, which is formed in a substantially U-shape substantially surrounding the suction port 4 on both sides and the rear side of the suction port 4. The interior of the suction tool main body 1 is divided into a rotating brush chamber 8 in which a rotating brush 23 to be described later is arranged facing the suction port 4 and an intake passage 9 located on the outer peripheral side of the rotating brush chamber 8. .

The partition wall 7 opens a position corresponding to the connection pipe 5, and connects the rotary brush chamber 8 and the connection pipe 5 through the opening, and opens the opening from the suction port 4. The flow path of the air that reaches the connection pipe 5 through the connection path is a suction passage.

Reference numeral 10 denotes a cover which covers the upper portion of the rotating brush chamber 8 so as to be openable and closable. The cover 10 is detachable by operating a slide lever 11 provided on the cover 10. Reference numeral 12 denotes an intake hole formed on the upper surface of the lid 10 and formed at a position corresponding to a curved end plate 24 of a turbine 23 which will be described later, which is disposed in the intake passage 9.

Reference numeral 13 denotes a guide rib formed on the back surface of the intake hole 12 of the lid 10 and inclined toward the front of the suction tool body 1.
The air taken in through the intake holes 12 is blown toward the front side of a turbine 23 described later.

Numeral 14 denotes a rotary brush disposed in the rotary brush chamber 8 facing the suction port 4, and is mounted by inserting a base 17 into a core 15 and a groove 16 formed in the core 15. Brush body 18
And a flexible blade 19 which is mounted by inserting a base 21 to be described later into a groove 16 formed in the core body 15.

The blade 19 comprises a cloth 20 and a cloth 21
A base 19 formed by molding a resin at one end of a brush-like body sewn to the other end of the cloth-like body 20
22. The cloth-like body 20 is curved and rotated as if the other end side was wavy by molding the resin at one end, and was pulled by sewing the brush-like body 22 at the other end side. Brush 14 core
1, the blade 19 is mounted so as to be curved toward the rotation direction side of the rotating brush 14, as shown in FIG. The blade 19 is erected by the centrifugal force generated by the rotation of the rotating brush 14, as shown in FIG.
The diameter of the rotation locus of the blade 19 is larger than the diameter of the rotation locus of the brush body 18.

Reference numeral 23 denotes turbines fixed to both ends of the core 15 of the rotary brush 14, which are located in the intake passage 9.
The turbine 23 has an end plate located on the side of the suction tool body 1.
24 is formed in a curved surface shape that gradually curves toward the rotating brush 14 as it approaches the core 15.

With this shape, the turbine of the lid 10
Suction device body 23 1 Suction hole at the position corresponding to the curved end plate 24
Since the air inlet 12 is formed, the air flowing from the air inlet 12 is guided by the guide rib 13 and is mainly blown to the side surface of the suction tool main body 1 of the turbine 23, that is, to the curved end plate 24, In FIG. 7, as shown by the arrow, the air blown to the turbine 23 flows along the curved surface toward the flat plate-shaped end plate 25 to prevent turbulence of the air and to rectify the air. One end side, that is, the air blown to the curved surface portion of the end plate 24 is moved to the end plate 25 side to receive over the entire width of the turbine 23, so that the rotational force of the turbine 23 due to the wind blown to the turbine 23 is more efficiently. As a result, the driving force of the turbine 23 can be improved.

Reference numeral 26 denotes an upright wall formed in the lower case 3 behind the turbine 23, and is provided corresponding to the curved end plate 24 side of the turbine 23. 27 is the intake hole 12 of the upper case 2
A cover wall formed on the rear back surface and covering the rear upper portion on the curved end plate 24 side of the turbine 23. The turbine 23 is formed by the upright wall 26 and the cover wall 27 in a state where the upper and lower cases 2, 3 are combined.
When the air blown to the front of the turbine 23 from the intake hole 12 of the lid 10 is guided from the front to the back of the turbine 23 from below, the airflow is further increased. Since the turbine 23 is guided above the turbine 23 along the standing wall 26 and the cover wall 27, the turbine 23 can be efficiently rotated by the air sucked from the intake hole 12.

Reference numeral 28 denotes a slit formed on the bottom surface of the intake passage 9 at a position behind the turbine 23. By sucking air from the slit 28, dust located below the intake passage 9 is sucked. Since the slit 28 is formed at a position rearward of the turbine 23, dust sucked from the slit 28 does not become entangled with the turbine 23.

When the electric blower of the cleaner body is driven, the suction port 4 on the bottom surface of the suction tool body 1 and the suction port of the lid 10 are driven.
The air is sucked from the air inlet 12, and the air sucked in from the air intake hole 12 is guided by the guide ribs 13 and is blown in front of the turbine 23 provided in the air intake passage 9 to rotate the turbine 23. The rotating brush 14 is driven to rotate with the rotation of the turbine 23, and the dust on the floor is scraped up by the rotating brush 14, and the dust is sucked together with the air sucked from the intake port 4.

The air sucked from the intake hole 12 of the lid 10 is blown to the curved surface of the end plate 24 of the turbine 23 and is guided along the curved surface to the flat end plate 25 side. Since the turbulence is prevented and rectification is performed, and wind is received over the entire width of the turbine 23, a force for rotating the turbine 23 can be effectively obtained, and the rotational force of the turbine 23 can be improved.

The air blown to the front side of the turbine 23 is increased in flow velocity through a gap between the front and lower parts of the turbine 23 and the lower case 3, and flows along a vertical wall 26 and a cover wall 27 formed behind the turbine 23. And is used as a driving force for rotating the turbine 23 again, so that the torque of the turbine 23 can be further increased.

The air that has caused the turbine 23 to rotate is
From the side of the flat end plate 25, the air passes through the intake passage 9 and flows into the connection pipe 5 via the pivot 6 of the connection pipe 5. Dust is sucked in from a slit 28 formed behind the turbine 23 in the intake passage 9, and is sucked into the cleaner body via the connection pipe 5. Since the slit 28 is formed behind the turbine 23, the sucked dust and the like do not entangle with the turbine 23. Further, since the slit 28 is formed in the intake passage 9, dust can be sucked through the suction port 4 and the slit 28 over substantially the entire width of the suction tool main body 1.

When the rotating brush 14 is stopped, the blade 19 is curved as shown in FIG.
When both the brush body 18 and the brush body 18 are placed on the floor, they do not come into contact with the floor.

When the rotating brush 14 rotates at high speed with the rotation of the turbine 23, the blade 19 rises as shown in FIG. 2 by centrifugal force. In the standing state of this blade 19,
With the suction tool main body 1 placed on the floor, the tip of the blade 19 comes into contact with the floor, and the floor is polished. Since the blade 19 uses the easily deformable cloth body 20, the floor surface is not damaged.

When cleaning a carpet or the like, the blade 19 and the brush body 18 come into contact with the surface to be cleaned and scrape up lint, dust and the like on the surface to be cleaned. The rotating brush with the surface to be cleaned acting as a resistance
When the rotation of 23 decreases, the blade 19 starts to bend in the rotational direction so as to gradually restore the shape at the time of stop with the decrease in centrifugal force. Since the blade 19 bends in the rotating direction, the lint and dust on the surface to be cleaned are scooped up and scooped up. Etc., the removal efficiency hardly decreases.

When the rotation of the rotating brush 14 further decreases, the blade 19 bends in the rotating direction so as to restore the shape at the time of stop and hardly contacts the surface to be cleaned.
The resistance of the surface to be cleaned with respect to 14 decreases, and the rotation speed of rotating brush 14 increases. By repeating this operation, the rotation speed of the rotating brush 14 is maintained substantially constant.

Since the blade 19 is formed by sewing the brush-like body 22 to the cloth-like body 20, the blade 19 can be configured to be easily bent, and the blade 19 can be bent by centrifugal force using the brush-like body 22 as a weight. The blade 19 can be easily raised and the blade 19 can be raised and curved even with a slight change in the rotation speed of the rotating brush 14.
Can be maintained substantially constant.

In the above embodiment, since the turbine 23 is rotated by blowing external clean air, the problem that the rotating force of the rotating brush 14 is weakened easily occurs. The rotation speed of the rotating brush 14 can be maintained substantially constant by changing the contact resistance with the surface to be cleaned by raising and bending the blade 19 by the fluctuation.

In the above embodiment, the blade 19 is
Although the cloth-like body 20, the base 21, and the brush-like body 22 are used, a soft rubber may be provided by a mold or the like instead of the brush-like body 22, or the entire blade may be made of soft rubber. .

[0032]

As described above, according to the first aspect of the present invention, since the blade is formed of the flexible member curved in the rotating direction of the rotary brush, the blade is not rotated when the rotary brush rotates. The blade rises due to the centrifugal force and can scoop up dust and the like on the surface to be cleaned, and when the rotation speed of the rotating brush decreases due to the resistance to the surface to be cleaned, the blade has the original shape as the centrifugal force decreases This makes it possible to remove the dust and the like satisfactorily even if the number of rotations is reduced, by scooping up the dust and the like so as to pick up the dust and the like. Further, when the rotating speed of the rotating brush further decreases, the blade is further curved as the centrifugal force decreases, so that the contact resistance with the surface to be cleaned decreases and the rotating speed can be increased. The effect is that the number can be kept almost constant.

According to the second aspect of the present invention, the blade is constituted by the cloth-like body curved in the rotating direction of the rotary brush and the brush attached to the tip of the cloth-like body. When the rotating brush rotates, the centrifugal force raises the blade to lift up dust and the like on the surface to be cleaned, and when the rotational speed of the rotating brush decreases due to resistance with the surface to be cleaned, the centrifugal force decreases. The blade starts to bend to the original shape and scrapes up the dust and so on,
Even if the number of rotations is reduced, dust and the like can be satisfactorily removed. Further, when the rotating speed of the rotating brush further decreases, the blade is further curved as the centrifugal force decreases, so that the contact resistance with the surface to be cleaned decreases and the rotating speed can be increased. The number can be kept almost constant. Furthermore, since the blade is composed of a cloth-like body and a brush-like body, the blade can be configured to be easily bent, and the brush-like body can be used as a weight to easily raise the blade by centrifugal force. The blade can be erected or curved by a change in the rotation speed of the rotating brush, and the rotation speed of the rotating brush can be maintained substantially constant.

According to the third aspect of the present invention, since the blade is formed of the flexible member curved in the rotating direction of the rotating brush, the blade is erected by the centrifugal force when the rotating brush rotates. In addition to being able to scrape up dust and the like on the surface to be cleaned, when the rotation speed of the rotating brush is reduced due to resistance to the surface to be cleaned, the blade starts to bend into the original shape with a decrease in centrifugal force, and the dust and the like are removed. , And dust and the like can be satisfactorily removed even if the number of rotations decreases. Further, when the rotating speed of the rotating brush further decreases, the blade is further curved as the centrifugal force decreases, so that the contact resistance with the surface to be cleaned decreases and the rotating speed can be increased. The number can be kept almost constant.

Further, since the diameter of the rotation locus of the blade is formed to be larger than the diameter of the rotation locus of the brush body, the contact resistance with the surface to be cleaned when the rotation speed of the rotating brush is reduced is reduced. The brush body has effects such as removal of dust and the like from the surface to be cleaned.

According to the fourth aspect of the present invention, the blade is constituted by a cloth-like body curved in the direction of rotation of the rotary brush and a brush-like body attached to the tip of the cloth-like body. As a result, the centrifugal force of the rotating brush causes the blade to stand up due to the centrifugal force, and the dust on the surface to be cleaned can be scraped up. As a result, the blade starts to bend to the original shape and is scraped up to scoop up dust and the like, so that the dust and the like can be satisfactorily removed even when the number of rotations decreases. Also, if the rotating speed of the rotating brush further decreases,
Because the blade is further curved as the centrifugal force decreases,
The contact resistance with the surface to be cleaned is reduced, the rotational speed can be increased, and the rotational speed of the rotating brush can be kept almost constant.

Further, since the blade is composed of a cloth-like body and a brush-like body, the blade can be easily bent, and the brush-like body can be easily lifted by centrifugal force using a weight. The blade can be raised or curved by a slight fluctuation in the rotation speed of the rotating brush, and the rotation speed of the rotating brush can be kept substantially constant.

Further, since the diameter of the rotation locus of the blade is formed to be larger than the diameter of the rotation locus of the brush body, the contact resistance with the surface to be cleaned when the rotation speed of the rotary brush decreases is reduced. The brush body has effects such as removal of dust and the like from the surface to be cleaned.

According to a fifth aspect of the present invention,

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a rotary brush according to an embodiment of the present invention, showing a state when the rotary brush is stopped.

FIG. 2 is a cross-sectional view of the rotating brush when the rotating brush is rotating.

FIG. 3 is a partial cross-sectional view showing a state in which an upper case of the floor suction tool is removed.

FIG. 4 is a sectional view of a main part in another direction.

FIG. 5 is an external view of the turbine.

FIG. 6 is a sectional view taken along the line AA in FIG. 5;

FIG. 7 is a sectional view taken along the line BB in FIG. 5;

FIG. 8 is a top view of the floor suction tool.

FIG. 9 is an external view of the rotating brush and the turbine.

[Explanation of symbols]

 1 Suction tool body 14 Rotary brush 15 Core body 18 Brush body 19 Blade 20 Cloth body 22 Brush-like body 23 Turbine

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Akihiko Zako 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (4)

[Claims] 1. A suction tool main body having a suction port on a lower surface, a rotary brush rotatably supported in the suction tool main body facing the suction port, and a turbine for rotating and driving the rotary brush. The rotary suction brush comprises a core and a blade provided on the core, and the blade is formed of a flexible member curved toward a rotation direction of the rotary brush. . 2. A suction tool main body having a suction port on a lower surface, a rotary brush rotatably supported in the suction tool main body facing the suction port, and a turbine for rotating and driving the rotary brush. The rotating brush comprises a core, and a blade provided on the core, the blade being attached to the core and curved toward the rotating direction of the rotating brush, and a tip of the cloth. And a brush-like body attached to the floor. 3. A suction tool main body having a suction port on a lower surface, a rotary brush rotatably supported in the suction tool body facing the suction port, and a turbine for rotating and driving the rotary brush. The rotating brush is composed of a core, a brush mounted on the core, and a blade mounted on the core, and the blade is mounted on the core and curved in a rotation direction of the rotary brush. Composed of flexible members,
A suction tool for floors, wherein the diameter of the rotation locus of the blade is formed to be larger than the diameter of the rotation locus of the brush body when the blade is standing by centrifugal force during rotation of the rotary brush. 4. A suction tool main body having a suction port on a lower surface, a rotating brush rotatably supported in the suction tool body facing the suction port, and a turbine for rotating and driving the rotary brush. The rotating brush is composed of a core, a brush mounted on the core, and a blade mounted on the core, and the blade is mounted on the core and curved in a rotation direction of the rotary brush. And a brush-like body attached to the tip of the cloth-like body, and in a state where the blade stands up due to centrifugal force at the time of rotation of the rotating brush, the diameter of the rotation trajectory of the blade is adjusted by rotating the brush body. A floor suction tool characterized in that the diameter is larger than the diameter of the track.