JPH1119010A - Sucking tool for floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the rotation efficiency of a turbine by dividing the interior of the main body of a sucker into a rotating brush room and a suction channel that stores a turbine and communicates with a connecting pipe and forming one end plate of the turbine in flat plate form and bending the inside of the other end plate to the one end side toward a rotating shaft. SOLUTION: A connecting pipe 5 is connected to the rear center of a sucking tool body 1, dividing walls 7 are formed in a nearly U shape surrounding the suction opening 4 almost entirely extending to both sides and the read side of the suction opening 4 in a lower case 3, and the inside of the tool body 1 is divided into a rotating brush room 8 and suction channels 9 located on the circumference side of the rotating brush room 8. And a rotating brush 14 is arranged in the rotating brush room 8 in a manner of being fronted to the suction opening 4, and a turbine 16 is mounted on the rotating shaft 15 of the rotating brush 14 integrally. In the turbine 16, end plates 24 located on the rotating brush 14 side are formed in a flat plate shape, and end plates 25 positioned on the tool body 1 side are formed in a shell shape bending gradually to the rotating brush 14 side toward the rotating shaft.

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 having a turbine for driving a rotary brush by an intake air flow.

[0002]

2. Description of the Related Art Conventionally, a floor suction device for driving a rotary brush by a turbine has a structure in which a turbine is connected to an intake passage communicating from a bottom opening of a suction device main body to a connection pipe disposed at a rear center of the suction device main body. Arranged, all of the air sucked into the suction tool body passes through the turbine, such a turbine requires a transmission mechanism such as a belt connecting the rotating brush and the turbine, There have been problems such as an increase in the size of the device, a deviation of the shaft distance between the brush and the turbine, and an elongation of the belt, causing the belt to be dislocated and causing a failure.

[0003] Further, in the above-mentioned floor suction device, since the turbine is located in the suction flow path, lint and the like in the sucked air may be entangled with the turbine, and the blade may be in the air passage on the turbine central shaft side of the blade. There is a problem that dust is clogged and the turbine does not rotate.

In order to solve these problems, Japanese Utility Model Laid-Open No. 54-1
As shown in FIG. 7 of JP-A-77170, there is known one in which a turbine is disposed integrally with a rotating brush.

In the floor suction tool, a turbine chamber and a rotary brush chamber are defined, and outside air is sucked from a suction port below the rotary brush and a blowing nozzle below the turbine, and the turbine is rotated by air sucked from the blowing nozzle. It has a structure to make it.

However, in the conventional turbine, the blades are simply formed radially on the rotating shaft, and the end plates provided on both sides of the blades are connected to the blades at right angles. While rotating the turbine while hitting the tip, the turbine exits on the extension of the approach direction.

[0007] Therefore, since the sucked wind hits only the tip of the blade of the turbine, it is difficult to obtain a force for rotating the turbine, and there is a drawback that the rotation efficiency of the turbine by the sucked wind is poor.

[0008]

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 turbine.

[0009]

SUMMARY OF THE INVENTION The present invention provides a suction tool body having a suction opening on a lower surface, a connecting pipe connected to the suction tool body, and a rotatable suction tool body facing the suction opening. A rotating brush provided, a turbine coaxially mounted on the rotating brush, and a turbine formed on the suction tool main body;
The suction tool main body includes: a rotating brush chamber that houses a rotating brush and communicates with the connection pipe; and a partition wall that houses and forms the turbine and an intake path that communicates with the connection pipe. The one end plate is formed in a flat plate shape, and the inner surface of the other end plate is formed in a curved surface curved toward the one end plate toward the rotation axis.

Further, the present invention provides a suction tool main body having a suction opening on a lower surface, a connection pipe connected to the suction tool main body, and a rotatable arrangement on the suction tool main body facing the suction opening. A rotary brush, a turbine coaxially mounted on the rotary brush, and a rotary brush chamber formed in the suction tool main body, for storing the rotary brush therein and communicating with the connecting pipe, and the turbine therein. The turbine further includes a partition wall for partitioning into an intake passage communicating with the connection pipe, wherein the turbine has one side end plate formed in a flat plate shape and the other side end plate inner surface facing one end toward the rotation axis. It is characterized in that it is formed in a curved shape curved to the plate side, and an intake hole for inflowing outside air is formed in a position corresponding to a curved end plate of the turbine on the upper surface of the suction tool main body.

Further, the present invention provides a suction tool main body having a suction opening on a lower surface, a connecting pipe connected to the suction tool main body,
A rotary brush rotatably arranged on the suction tool body facing the suction opening, a turbine coaxially mounted on the rotary brush, and a rotary brush formed in the suction tool body and inside the suction tool body. And a partition wall for partitioning into a rotating brush chamber communicating with the connecting pipe and an intake passage storing the turbine and communicating with the connecting pipe, wherein the turbine is configured such that the rotary brush side end plate has a flat shape. And the inner surface of the other end plate is formed into a curved surface curved toward the rotating brush toward the rotating shaft, and a rib concentric with the rotating shaft of the turbine is formed on a side surface of the rotating brush of the flat end plate. Is formed.

Further, the present invention provides a suction tool main body having a suction opening on a lower surface, a connecting pipe connected to the suction tool main body, and a rotatable arrangement on the suction tool main body facing the suction opening. A rotary brush, a turbine coaxially mounted on the rotary brush, and a rotary brush chamber formed in the suction tool main body, for storing the rotary brush therein and communicating with the connecting pipe, and the turbine therein. The turbine further includes a partition wall for partitioning into an intake passage communicating with the connection pipe, and the turbine is configured such that the rotary brush side end plate is formed in a flat plate shape and the inner surface of the other end plate is rotated toward a rotation axis. It is formed in a curved surface curved toward the brush side, and at the position corresponding to the curved end plate of the turbine on the upper surface of the suction tool main body, an intake hole for inflowing outside air is formed. Incline forward That the guide rib is formed, the turbine position corresponding to the curved end plate of the rear, characterized in that the formation of the wall in proximity to the turbine cover the turbine from behind over upwards.

[0013]

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

1 is a suction tool main body composed of upper and lower cases 2 and 3, and has a suction opening 4 on the 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 (not shown) formed on a partition wall 7 of the lower case 3, which will be described later, and the upper case 2. As well as
An intake passage 9 and a connecting pipe 5 to be described later are connected via the hollow pivot 6.
The inside is in communication.

Reference numeral 7 denotes a partition wall formed in the lower case 3, which is formed in a substantially U-shape which substantially surrounds the suction opening 4 on both sides and the rear side of the suction opening 4, and is provided with the suction tool main body. A rotating brush chamber 8 in which a rotating brush 14 to be described later is disposed facing the suction opening 4;
And an intake passage 9 located on the outer peripheral side of the airbag.

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

Reference numeral 10 denotes a cover for opening and closing the upper portion of the rotary brush chamber 8 so as to be freely opened and closed 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 is formed at a position corresponding to a curved end plate 25 of the turbine 16 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 so as to be inclined toward the front of the suction tool main body 1. Air sucked from the intake hole 12 is directed forward of a turbine 16 which will be described later. It can be sprayed toward.

A rotary brush 14 is disposed in the rotary brush chamber 8 so as to face the suction opening 4. Turbines 16 and 16 are integrally attached to a rotary shaft 15 of the rotary brush 14. 16 is positioned in the intake passage 9, and the end of the rotating shaft 15 is rotatably supported by bearings 17 formed on both inner surfaces of the lower case 3.

The rotary brush 14 comprises a brush body 18, a groove 19 formed in the brush body 18 in a spiral shape, and two kinds of blades 20, 21 provided in the groove 19. . The one blade 20 is formed of a brush member, the other blade 21 is formed by sewing a brush-like body 23 on the free end side of a cloth body 22, and the blade 20 is formed of the other blade 21. When the floor surface such as a flooring is cleaned, the blade 21 composed of the cloth-like body 22 and the brush-like body 23 comes into contact with the floor surface.

When cleaning the flooring or the like, the number of rotations of the rotary brush 14 is slightly reduced due to the blade 21 abutting on the floor surface. The blades 21 do not come into contact with the floor surface, and the rotating brush
The number of rotations of 14 goes up. By repeating this operation,
During cleaning, the rotation speed of the rotating brush 14 is kept substantially constant.

The turbine 16 is coaxially mounted on both ends of the rotary brush 14. The end plate 24 located on the rotary brush 14 side is formed in a flat plate shape, and the turbine 16 is positioned on the side of the suction tool main body 1. The end plate 25 is formed into a curved surface that gradually curves toward the rotating brush 14 toward its rotation axis.

Since the intake hole 12 is formed in the lid 10 at a position corresponding to the curved end plate 25 of the suction tool main body 1 of the turbine 16, the air flowing from the intake hole 12 is guided to the guide rib 13. As shown in FIG. 5, it is mainly blown to the side of the suction tool main body 1 of the turbine 16, that is, to the curved end plate 25.
As shown by the arrows in the middle, the air blown to the turbine 16 advances to the flat end plate 24 side along the curved surface, so that turbulence of the air is prevented and the air is rectified, and one end of the turbine 16 is That is, the air blown to the curved surface of the end plate 25
Since it moves to the side 24 and abuts over the entire width of the turbine 16, the rotational force of the turbine by the wind blown to the turbine 16 can be obtained more efficiently, and the rotational force of the turbine can be improved.

Reference numeral 26 denotes an end plate 24 located on the rotating brush 14 side.
An annular rib formed on the surface facing the rotating brush 14,
The air in the intake passage 9 close to the partition wall 7 is
24 to prevent leakage to the rotating brush chamber 8 side through the gap between the turbine 16 support portion of the partition wall 7 and the turbine 16
Can be further improved.

Reference numeral 27 denotes an upright wall formed behind the lower case 3 on the turbine 16 side, and is provided corresponding to the curved end plate 25 side of the turbine 16. 28 is the intake hole 12 of the upper case 2
A cover wall formed on the rear back surface and covering the curved upper end plate 25 on the rear upper side of the turbine 16. In a state where the upper and lower cases 2, 3 are assembled, the turbine 16 is rearwardly moved by the standing wall 27 and the cover wall 28 from the rear. When the air blown toward the front of the turbine 16 from the intake hole 12 of the lid 10 is guided downward from the front of the turbine 16 to the rear, the standing wall 27 and Since the air is guided above the turbine 16 along the cover wall 28, the turbine 16 can be more efficiently rotated by the air sucked from the intake holes 12.

Reference numeral 29 denotes a turbine described below on the bottom surface of the intake passage 9.
16 A slit formed rearward is configured to suck in dust located below the intake passage 9 by allowing air to flow from the slit 29, and to remove dust in a substantially full width range of the suction tool main body 1. While you can inhale,
Since the slit 29 is formed behind the turbine 16, that is, downstream of the turbine 16, dust sucked from the slit 29 does not stick to the turbine 16.

According to the above configuration, when the electric blower of the cleaner body is driven, the suction opening 4 and the lid on the bottom surface of the suction tool body 1 are driven.
Air is sucked from the suction holes 12 of the air inlet 10, the air sucked from the suction openings 4 is guided to the connection pipe 5 through the suction passage, and the air sucked from the air suction holes 12 is guided by the guide ribs.
The rotating brush 14 is guided by the nozzle 13 and sprayed in front of the turbine 16 disposed in the ventilation passage 9, and is rotated by the rotation of the turbine 16. The dust on the floor is scraped up and sucked from the suction opening 4. .

The air sucked from the air inlet 12 of the lid 10 is
Since it is blown to the curved surface of the turbine 16 and proceeds to the flat plate-like end plate 24 along this curved surface, turbulence of air is prevented and rectification is performed, and wind is blown over the entire width of the turbine 16 blades. Thus, the force for rotating the turbine 16 can be effectively obtained, and the rotating force for the turbine 16 can be improved.

The rotating brush 14 of the flat end plate 24 of the turbine 16
On the side, the ribs 26 concentric with the rotating shaft 15 are formed, so that the air in the intake passage 9 passes over the end plate 24 and passes through the partition wall 7.
Leakage to the rotating brush chamber 8 side through the gap of the turbine 16 support portion can be prevented, and the rotational force of the turbine 16 can be further improved.

The air blown toward the front side of the turbine 16 is increased in flow velocity through the gap between the front and lower parts of the turbine 16 and the lower case 3, and has a standing wall 27 and a covering wall 28 formed behind the turbine 16. And is used as a driving force for rotating the turbine 16 again, so that the rotating force of the turbine 16 can be further increased.

The air that has caused the turbine 16 to rotate is
16 passes through the intake passage 9 from the flat plate end plate 24 side and flows into the connection pipe 5 through the pivot 6 of the connection pipe 5, and a slit 29 is formed in the intake passage 9 behind the turbine 16. Therefore, dust is sucked from the slit 29 and is sucked into the cleaner body through the connection pipe 5. Since the slit 29 is formed behind the turbine 16, the sucked air does not become entangled with the turbine 16.

The intake passage 9 is formed on both sides and the rear of the rotary brush chamber 8.
Since the suction pipe 29 is formed, the suction of dust from the suction opening 4 and the slit 29 allows the suction of dust in a range over substantially the entire width of the suction tool main body 1.

Further, the blade 21 of the rotating brush 14 is formed by sewing a brush-like body 23 on a cloth body 22 having a weak waist, so that when the rotating brush 14 rotates with the rotation of the turbine 16, the blade 21 Abuts on the floor surface, and the rotation speed of the rotating brush 14 decreases, but the cloth-like body 22 bends and the blade 21 does not contact the floor surface, the rotation speed of the rotating brush 14 increases, and this operation is repeated. Accordingly, during cleaning, the rotation speed of the rotating brush 14 can be kept substantially constant without decreasing.

[0034]

According to the first aspect of the present invention, by forming one end plate of the turbine in a flat plate shape and forming the other end plate in a curved surface, the wind blown to the turbine is curved. Along the one end plate side, the turbulence of the air is prevented and rectification is achieved, and the wind hits over the entire width of the turbine blade, so that the force for rotating the turbine can be effectively obtained. In addition, the torque of the turbine can be improved.

According to a second aspect of the present invention, one end plate of the turbine is formed in a flat plate shape, and the other end plate is formed in a curved surface shape. By forming the intake holes, the wind blown to the curved surface of the turbine advances to the one end plate side along this curved surface, so that the turbulence of the air is prevented and the flow is rectified. Because the wind hits over the entire width, the force to rotate the turbine can be effectively obtained even with a small amount of wind,
According to the third aspect of the present invention, the rotating brush-side end plate of the turbine is formed in a flat plate shape, and the other end plate is formed in a curved surface so that the turbine can be blown onto the turbine. As the wind advances to the one end plate side along this curved surface, turbulence of air is prevented and rectification is performed, and the wind hits over the entire width of the turbine blade, so that the force for rotating the turbine is reduced. It can be obtained effectively, and the rotational force of the turbine can be improved.

Further, the ribs concentric with the rotating shaft of the turbine are formed on the side surface of the rotating brush of the rotating brush side end plate, so that the air in the intake passage 9 passes over the end plate and is supported on the turbine supporting portion of the partition wall. To prevent leakage to the suction opening side through the gap, and the rotational force of the turbine can be further improved.

Further, according to the fourth aspect of the present invention, by forming one end plate of the turbine in a flat plate shape and forming the other end plate in a curved surface shape, the wind blown to the curved surface portion of the turbine is formed. Goes to the one end plate side along this curved surface, so that turbulence of air is prevented and rectification is performed, and wind is applied over the entire width of the turbine blade, so that the force for rotating the turbine is effectively used. In addition, the air blown to the turbine is increased in flow velocity through a gap in front of and below the turbine, and flows along a wall formed from the rear of the turbine upward. And is used as a driving force for rotating the turbine again, so that the turbine torque can be further increased.

[Brief description of the drawings]

FIG. 1 is a partial sectional view showing a state where an upper case of a floor suction tool of the present invention is removed.

FIG. 2 is a sectional view of a main part in another direction.

FIG. 3 is an external view of the turbine.

FIG. 4 is a sectional view taken along the line AA in FIG. 3;

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

FIG. 6 is a top view of the floor suction tool.

FIG. 7 is a sectional view of the rotating brush.

FIG. 8 is an external view of the rotating brush and the turbine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Suction implement main body 4 Suction opening 5 Connection pipe 7 Partition wall 8 Rotary brush chamber 9 Intake path 12 Intake hole 13 Guide rib 14 Rotary brush 16 Turbine 24 One end plate 25 Other end plate 26 Rib 27 Upright wall (wall) 28 Cover Wall

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Toshiyuki Fujiyoshi 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Yoshihiro Mori 2-5-2 Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. (72) Inventor Akihiko Zako 2-5-5 Keihan Hondori, Moriguchi City, Osaka Prefecture (72) Inventor Kazuhiro Yamamoto Keihan Motodori, Moriguchi City, Osaka Prefecture 2-5-5 Sanyo Electric Co., Ltd. (72) Inventor Kazuhiro Fujii 2-5-5 Keihan Hondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (4)

[Claims] 1. A suction tool main body having a suction opening on a lower surface,
A connecting pipe connected to the suction tool main body, a rotary brush rotatably arranged on the suction tool main body facing the suction opening, a turbine coaxially mounted on the rotary brush, and the suction tool main body And a partition wall for partitioning the interior of the suction tool body into a rotary brush chamber that houses a rotary brush and communicates with the connection pipe and an intake path that houses the turbine and communicates with the connection pipe. The turbine has one end plate formed in a flat plate shape and the other end plate inner surface,
A floor suction tool characterized in that it is formed into a curved surface curved toward one end plate toward a rotation axis. 2. A suction tool main body having a suction opening on a lower surface,
A connecting pipe connected to the suction tool main body, a rotary brush rotatably arranged on the suction tool main body facing the suction opening, a turbine coaxially mounted on the rotary brush, and the suction tool main body And a partition wall for partitioning the suction tool main body into a rotary brush chamber that houses a rotary brush and communicates with the connection pipe and an intake path that houses the turbine and communicates with the connection pipe. In the turbine, the one end plate is formed in a flat plate shape, and the inner surface of the other end plate is formed in a curved surface curved toward the one end plate toward the rotation axis, and the curved surface of the turbine on the upper surface of the suction tool main body. A suction tool for floors, characterized in that an intake hole for allowing outside air to flow is formed at a position corresponding to the end plate. 3. A suction tool main body having a suction opening on a lower surface,
A connecting pipe connected to the suction tool main body, a rotary brush rotatably arranged on the suction tool main body facing the suction opening, a turbine coaxially mounted on the rotary brush, and the suction tool main body And a partition wall for partitioning the suction tool main body into a rotary brush chamber that houses a rotary brush and communicates with the connection pipe and an intake path that houses the turbine and communicates with the connection pipe. The turbine is configured such that the rotary brush side end plate is formed in a flat plate shape, and the other end plate inner surface is formed in a curved surface curved toward the rotary brush toward the rotation axis, and the rotary brush of the flat plate end plate is formed. A floor suction tool characterized in that a rib concentric with a rotation axis of a turbine is formed on a side surface. 4. A suction tool main body having a suction opening on a lower surface,
A connecting pipe connected to the suction tool main body, a rotary brush rotatably arranged on the suction tool main body facing the suction opening, a turbine coaxially mounted on the rotary brush, and the suction tool main body And a partition wall for partitioning the suction tool main body into a rotary brush chamber that houses a rotary brush and communicates with the connection pipe and an intake path that houses the turbine and communicates with the connection pipe. In the turbine, the rotating brush side end plate is formed in a flat plate shape, and the other end plate inner surface is formed in a curved surface curved toward the rotating brush toward the rotation axis, and the turbine curved surface of the suction tool main body upper surface is formed. At the position corresponding to the end plate, an intake hole for inflowing outside air is formed, and on the back surface of the intake hole, a guide rib inclined toward the front side of the turbine is formed, and a curved end plate behind the turbine is formed. Corresponding position , Floor suction tool, characterized in that the formation of the wall in proximity to the turbine cover the turbine from behind over upwards.