JP2001017357A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner which reduces the size and weight of a vacuum cleaner and cleans a narrow place. SOLUTION: A vacuum cleaner is provided with an electric blower 25 for generating sucked air, a cylindrical cleaner main body 1 incorporating the blower 25, a suction hose 2 connected to the main body 1 to allow the sucked air sucked by the blower to pass through, a suction port body 5 having a suction port and communicated with the hose 2, a dust collecting part 32 arranged between the body 5 and the hose 2 to separate dust, wheels 20 and 21 larger diameter than the main body 1 nearly coaxially arranged on both of the side end faces of the main body 1. In the vacuum cleaner, casters 7 for moving the side surface in parallel with a floor surface are provided on the side surface of the wheel 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a vacuum cleaner,
In particular, the present invention relates to a so-called free-turn type vacuum cleaner having wheels larger in diameter than a cylindrical vacuum cleaner body and capable of easily reversing the traveling direction back and forth.

[0002]

2. Description of the Related Art A conventional vacuum cleaner disclosed in Japanese Utility Model Laid-Open No. 49-46868 and Japanese Utility Model Laid-Open No. 50-29761 is shown in FIG. According to the figure, a vacuum cleaner main body 1 formed in a cylindrical shape has an electric blower chamber 1a in which an electric blower (not shown) is arranged and a dust collection chamber 1b for storing collected dust are arranged in the axial direction. I have.

[0003] Intake air generated by the electric blower is guided from an intake port provided in a suction opening body (not shown) through a suction hose 2 to a dust collection chamber 1b, and after dust is separated, the electric blower chamber 1a is separated from the electric blower chamber 1a. 1 is released to the outside. When dust collects in the dust collecting chamber 1b, the dust collecting chamber 1b is moved to the electric blower chamber 1a.
The garbage dumping work is performed by attaching and detaching from the garbage.

[0004] Wheels 20, 2 are provided on both end surfaces of the cleaner body 1.
1 is provided, and the cleaner main body 1 can move on the floor surface. The wheels 20 and 21 are formed to be larger in diameter than the cleaner body 1. For this reason, the traveling direction of the cleaner main body 1 can be easily reversed by rotating the suction hose 2 around the axis of the wheels 20 and 21.

[0005]

However, according to the above-mentioned conventional vacuum cleaner, the dust collecting chamber 1b and the electric blower 1a are arranged in the axial direction in the cleaner body 1 formed in a cylindrical shape. . For this reason, there is a problem that it is difficult to clean a narrow place due to an increase in the interval between the wheels 20 and 21 and a problem that the load of lifting the suction hose 2 due to the heavy weight of the cleaner main body 1 makes it difficult to reverse the traveling direction. was there.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an electric vacuum cleaner capable of making the main body of the vacuum cleaner small and light and capable of cleaning a narrow place.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an electric blower for generating intake air, a tubular cleaner main body containing the electric blower, and an electric blower connected to the cleaner main body. A suction hose through which the intake air from the electric blower passes, a suction opening body having an air intake port and communicating with the suction hose, and a dust collecting portion disposed between the suction opening body and the suction hose to separate dust. And a wheel that is disposed substantially concentrically on both side end surfaces of the cleaner body and has a larger diameter than the cleaner body, wherein the side surface of the wheel is moved in parallel with the floor surface. It features casters.

[0008] According to this configuration, the intake air generated by the electric blower is sucked into the dust collecting portion from the intake port to separate the dust, and then discharged from the cleaner body to the outside via the suction hose. The main body of the vacuum cleaner can be moved by a wheel having the axis of the cylindrical main body arranged horizontally and by a caster having the axis arranged vertically.

Further, the present invention is characterized in that in the vacuum cleaner having the above structure, a plurality of the casters are provided, and at least one of the casters is rotatable around an axis parallel to a rotation axis of the wheel. I have. According to this configuration, the direction of the cleaner main body can be easily changed by the rotatable casters when the shaft of the cleaner main body is vertically arranged and moved.

Further, the present invention is characterized in that in the electric vacuum cleaner having the above-mentioned structure, a first handle portion for carrying the main body of the cleaner is provided on a side surface of one of the wheels.

Further, the present invention is characterized in that in the vacuum cleaner having the above-mentioned structure, the first handle portion is prevented from protruding from the side end surface of the wheel.

Further, the present invention is characterized in that in the vacuum cleaner having the above-mentioned structure, a storage portion for storing an auxiliary suction tool is provided on a side surface of one of the wheels.

Further, the present invention is characterized in that in the electric vacuum cleaner having the above structure, second and third handles for carrying the main body of the cleaner are provided at positions substantially opposite to the peripheral surface of the main body of the cleaner. I have. According to this configuration, at the time of movement in which the axis of the cleaner main body is horizontally arranged, one of the second and third handle portions faces the floor surface and the other is disposed upward according to the moving direction of the cleaner main body. Is done.

Further, the present invention is characterized in that in the electric vacuum cleaner having the above-mentioned structure, at least one of the second and third handle portions is prevented from protruding from the peripheral surface of the main body of the vacuum cleaner.

Further, according to the present invention, in the vacuum cleaner having the above-described structure, a connecting portion for connecting the suction hose is provided so as to protrude from a peripheral surface of the cleaner body, and an end surface of the connecting portion is provided by a protective member made of a soft material. It is characterized by being covered.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. For convenience of explanation, the same parts as those in FIG. 10 of the conventional example are denoted by the same reference numerals. FIG. 1 and FIG.
It is the perspective view and horizontal sectional view which show the vacuum cleaner of embodiment. An electric blower 25 is provided in the cleaner body 1 formed in a tubular shape.
The electric blower room 1a in which is arranged is provided. A cord reel 22 for winding a power cord 23 is arranged on the side of the electric blower room 1a.

A connection port 1 is provided at one location on the peripheral surface of the cleaner body 1.
A connection portion 14 that communicates with the electric blower room 1a via the protrusion 4a is protruded, and the suction hose 2 is fitted into the connection port 14a. An end face of the connecting portion 14 is made of a soft material such as a soft vinyl chloride resin or a soft rubber, as shown in FIG.
Is installed. This prevents the floor from being damaged when the connecting portion 14 comes into contact with the floor. The other end of the suction hose 2 is connected to a hand handle 3 having a grip portion 3a gripped by a user.

On the other hand, a suction port body 5 having an air suction port (not shown) that opens to face the floor surface is connected to the extension pipe 4. The other end of the extension pipe 4 is connected to the inlet 32 of the dust collecting device 32.
a. One end of the handle 3 is connected to the outlet 32b of the dust collector 32.

The intake air generated by the electric blower 25 passes through the extension pipe 4 from the intake port of the suction port body 5 and passes through the inflow port 32a.
Flows into the dust collecting device 32 via the. The inflow port 32 a is provided so that the intake air swirls in the dust collector 32. The dust collecting device 32 is a cyclone type dust collecting device in which the intake air collides with the inner wall of the dust collecting device 32 by turning to separate dust.

The separated dust is further separated and stored in first and second dust collecting chambers 32c and 32d separated by a filter (not shown). Then, when dust is collected in the first and second dust collecting chambers 32c and 32d, the dust is removed from the dust collecting device 32 and the dust is discarded.

The intake air from which the dust has been separated flows out to the handle 3 from the outlet 32b. And it is led to the electric blower room 1a through the connection port 14a through the suction hose 2,
The air is discharged from an exhaust port 1d provided in the cleaner body 1.

Further, wheels 20 and 21 having a larger diameter than the cleaner body 1 are provided on both side end surfaces of the cleaner body 1, so that the cleaner body 1 can move on the floor surface. On the side surface of one of the wheels 21, there is provided a caster 7 capable of moving the cleaner main body 1 by setting the shaft 1 c of the cleaner main body 1 formed in a cylindrical shape perpendicular to the floor surface. The gap D between the floor surface and the side end surface 21a of the wheel 21 is 5 such that the side end surface 21a does not rub against the floor surface.
To about 10 mm.

The caster 7 has an axle 7a fitted on a support member 7b so that a roller 7e is rotatable. The support member 7b is rotatable around a rotation axis 7d parallel to the rotation axis (1c) of the wheel 21 by a bearing 7c. Then, as shown in the side view of FIG. 3, three casters 71, 72, 73 arranged at equal intervals can move stably and change the direction of the cleaner body 1 freely. .

In the figure, only the casters 71 arranged in the direction from the center of the wheels 21 to the connecting portion 14 to which the suction hose 2 is connected may be rotatable around the rotating shaft 7d. Also in this case, the direction of the cleaner main body 1 can be freely changed by moving the suction hose 2. Also caster 7
May be provided four or more.

As described above, by providing the dust collecting device 32 integrally with the handle 3 at hand, the dust collecting chamber (see FIG. 10) unlike the conventional example in the cleaner main body 1 is not required. Therefore, the interval between the wheels 20 and 21 can be reduced, and a narrow place can be easily cleaned, and the main body 1 of the cleaner can be reduced in weight and can be easily inverted. Furthermore, wheels 2
Since the interval between 0 and 21 is narrow, the height at which the cleaner main body 1 is erected is reduced. Therefore, it can be moved stably by the casters 7, and a narrower place can be cleaned.

In FIGS. 1 and 2 described above, a recess 20b is provided on the side surface of the wheel 20. The first handle 9 is provided in the recess 20 b so as not to protrude from the side end surface 20 a of the wheel 20. Thereby, when the shaft 1c of the cleaner body 1 is arranged vertically, it can be easily carried,
When the shaft 1c of the cleaner body 1 is arranged horizontally, the first handle portion 9 is prevented from colliding with a wall or the like and being damaged.

As shown in the side view of FIG. 4, auxiliary suction tools 40 such as a suction tool 41 for a gap and a suction tool 42 for a shelf can be attached to and detached from both sides of the first handle 9 by a holding member 13 (storage portion). Mounted on Therefore, the auxiliary suction tool 40 can be immediately attached as needed, and the cleaning workability is improved.

A second handle portion 10 is provided on the peripheral surface of the cleaner main body 1 so as to be easily carried when the shaft 1c of the cleaner main body 1 is arranged horizontally. Then, as shown in a vertical sectional view of the cleaner body 1 in FIG. 5, the third handle portion 1 is located at a position substantially opposed to the second handle portion 10 with the connecting portion 14 interposed therebetween.
1 is provided.

In this way, when the suction hose 2 is arranged in the direction shown in FIG. 1, the second handle portion 10 is arranged facing upward, and when the suction hose 2 is turned over, the third handle portion 11 is moved. It is arranged facing upward. Therefore, the cleaner body 1
The cleaner main body 1 can be easily carried regardless of the direction of movement of the cleaner.

Further, the third handle portion 11 is provided so as not to protrude from the peripheral surface of the cleaner body 1. This prevents the third handle portion 11 from rubbing against the floor surface when the shaft 1c of the cleaner body 1 is arranged horizontally, and prevents the wheels 20 and 21 from climbing when the floor surface has a step. Idling can be avoided. The second handle 10 may be provided so as not to protrude from the peripheral surface of the cleaner body 1.

Next, FIG. 7 shows a vacuum cleaner according to a second embodiment. For convenience of description, the same parts as those in the first embodiment of FIG. 1 are denoted by the same reference numerals. The difference from the first embodiment is that wheel covers 26 and 27 are provided on the side surfaces of the wheels 20 and 21. Others are the same as the first embodiment.

FIGS. 8 and 9 are sectional views of the wheels 20 and 21. FIG. A wheel cover 26 is fixed to a side surface of the wheel 20. The holding member 13 that holds the first handle 9 and the auxiliary suction tool 40 is formed integrally with the wheel cover 26 by molding. At this time, the first handle 9 does not protrude from the side end surface 26 a of the wheel cover 26.

A wheel cover 27 is fixed to a side surface of the wheel 21. The casters 7 similar to those of the first embodiment are respectively mounted on a plurality of caster mounting portions 27b provided on the wheel cover 27.

With the above configuration, the same effects as those of the first embodiment can be obtained, and the interior of the wheels 20, 21 can be covered by the wheel covers 26, 27 to improve the appearance.

[0035]

According to the present invention, by disposing the dust collecting device between the suction port and the suction hose, the conventional dust collecting chamber is not required in the cleaner body. Therefore, the distance between the wheels can be narrowed, and a narrow place can be easily cleaned, and the main body of the cleaner can be reduced in weight and can be easily inverted. Further, since the distance between the wheels is narrow, the height at which the cleaner body is erected is reduced. Therefore, the axis of the cleaner main body can be arranged vertically and can be moved more stably by the casters, and a narrower place can be cleaned.

According to the present invention, at least one of the plurality of casters is rotatable around the rotation axis of the wheel, so that the direction of the cleaner body can be easily adjusted when the axis of the cleaner body is vertically arranged. Can be changed. Further, by providing the first handle portion so as not to protrude from the side end surface of the wheel, it is easy to carry and prevent damage due to collision with a wall surface when the shaft of the cleaner body is arranged horizontally. Can be.

Further, according to the present invention, the auxiliary suction device can be immediately attached by providing the storage portion for storing the auxiliary suction device such as the suction device for the gap and the suction device for the shelf on the side surface of the wheel, so that the cleaning operation can be performed. The performance is improved.

Further, according to the present invention, by providing the second and third handles at positions substantially opposite to the peripheral surface of the cleaner body, the second handle is arranged upward in accordance with the direction of the suction hose. When the direction of the suction hose is reversed, the third handle portion is disposed facing upward. Therefore, the cleaner main body can be easily carried regardless of the moving direction of the cleaner main body.

Further, by providing one or both of the second and third handle portions so as not to protrude from the peripheral surface of the cleaner body, the second and third handle portions can be arranged when the cleaner body is arranged horizontally. It is possible to prevent the floor from being rubbed, and to prevent the wheels from running idle due to riding when there is a step on the floor.

Further, according to the present invention, by providing a protection member at a connection portion of the suction hose provided to protrude from the peripheral surface of the cleaner body, it is possible to prevent the floor surface from being damaged due to contact between the connection portion and the floor surface. it can.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a vacuum cleaner according to a first embodiment of the present invention.

FIG. 2 is a horizontal sectional view showing the vacuum cleaner according to the first embodiment of the present invention.

FIG. 3 is a side view showing the vacuum cleaner according to the first embodiment of the present invention.

FIG. 4 is another side view showing the vacuum cleaner according to the first embodiment of the present invention.

FIG. 5 is a vertical sectional view showing the vacuum cleaner according to the first embodiment of the present invention.

FIG. 6 is a perspective view showing a protection member of the vacuum cleaner according to the first embodiment of the present invention.

FIG. 7 is a perspective view showing a vacuum cleaner according to a second embodiment of the present invention.

FIG. 8 is a sectional view showing one wheel of a vacuum cleaner according to a second embodiment of the present invention.

FIG. 9 is a sectional view showing the other wheel of the vacuum cleaner according to the second embodiment of the present invention.

FIG. 10 is a perspective view showing a conventional vacuum cleaner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Suction hose 3 Hand handle 4 Extension pipe 5 Suction port body 7, 71, 72, 73 Caster 9 1st handle part 10 2nd handle part 11 3rd handle part 13 Holding member 14 Connection part 15 Protection member 20 , 21 wheels 22 code reel 23 power cord 25 electric blower 32 dust collector 40 auxiliary suction tool 41 clearance suction tool 42 shelf suction tool

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Katsuhiko Umeda Inventor F-term in Sharp Corporation 22-22, Nagaikecho, Abeno-ku, Osaka 3B006 KA06

Claims (8)

[Claims] 1. An electric blower for generating intake air, a tubular cleaner main body containing the electric blower, a suction hose connected to the cleaner main body and through which the air from the electric blower passes, and an air inlet. A suction port communicating with the suction hose, a dust collecting portion disposed between the suction port and the suction hose to separate dust, and substantially concentrically disposed on both side end surfaces of the cleaner body. An electric vacuum cleaner comprising: a wheel having a larger diameter than the main body of the vacuum cleaner, wherein a caster is provided on a side surface of the wheel so as to move the side surface parallel to a floor surface. 2. While providing a plurality of said casters,
The vacuum cleaner according to claim 1, wherein at least one of the casters is rotatable around an axis parallel to a rotation axis of the wheel. 3. The vacuum cleaner according to claim 1, wherein a first handle portion for carrying the cleaner body is provided on a side surface of one of the wheels. 4. The vacuum cleaner according to claim 3, wherein the first handle portion does not protrude from the side end surface of the wheel. 5. The vacuum cleaner according to claim 3, wherein a storage portion for storing an auxiliary suction tool is provided on a side surface of one of the wheels. 6. The vacuum cleaner according to claim 3, wherein second and third handles for carrying the cleaner body are provided at positions substantially opposite to the peripheral surface of the cleaner body. An electric vacuum cleaner according to claim 1. 7. The electric vacuum cleaner according to claim 6, wherein at least one of the second and third handle portions does not protrude from the peripheral surface of the cleaner main body. 8. The cleaning device according to claim 1, wherein a connection portion for connecting the suction hose is provided so as to protrude from a peripheral surface of the cleaner body, and an end surface of the connection portion is covered with a protection member made of a soft material. An electric vacuum cleaner according to claim 7.