JP2003210369A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner of which the operability is improved by enabling cleaning of the deep side of a gap without being disturbed by its dust collecting part and by suppressing the acting of the angular moment of the dust collecting part upon a hose grip part even when cleaning the narrow gap under a bed or the like. <P>SOLUTION: In the vacuum cleaner provided with a dust collecting part 3 on a suction path between a hose grip part 2 and a suction tool 5, the dust collecting part 3 is provided approximately on the center of the hose grip part 2. Besides, the dust collecting part 3 is of a cyclone type and formed approximately cylindrical for longitudinally turning air sucked from the suction tool 5 through with dust from the outer peripheral side to the inner peripheral side. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vacuum cleaner provided with a dust collecting portion of a cyclone type or the like for separating dust by swirling an intake air containing dust in a suction path between a hose grip portion and a suction tool. It is about.

[0002]

2. Description of the Related Art In conventional vacuum cleaners of this type,
For example, Japanese Patent Laid-Open No. 2000-139790 (A47L
As disclosed in 9/16) and the like, the dust collecting portion is provided near the extension pipe at a position deviated from the axis of the connecting pipe portion of the floor suction tool.

[0003]

As described above, in the conventional electric vacuum cleaner of this type, the dust collecting portion is provided in the vicinity of the extension pipe at a position displaced from the axis of the connecting pipe portion of the floor suction tool. Therefore, when cleaning a narrow gap such as under the bed, the dust collecting part becomes an obstacle and it is difficult to clean the inside of the gap. Further, since it is provided in the vicinity of the extension pipe to which the floor suction tool is connected, the rotating moment of the dust collecting portion acts on the hose grip portion that the user has during operation, and the operation becomes heavy.

Therefore, the present invention has been made in order to solve such a problem, and even when cleaning a narrow gap under a bed or the like, the dust collecting portion does not get in the way and is located deep inside the gap. It is an object of the present invention to provide an electric vacuum cleaner which can be cleaned up to one side and which suppresses the rotation moment of the dust collecting portion from acting on the hose grip portion and has improved operability.

[0005]

In order to achieve the above object, the present invention is an electric vacuum cleaner having a dust collecting portion in a suction path between a hose grip portion and a suction tool. Is provided in the hose grip portion.

Further, the dust collecting section is a cyclone type dust collecting section.

Further, the dust collecting portion is provided substantially at the center of the hose grip portion.

Further, the dust collecting portion is formed in a substantially cylindrical shape which vertically swirls air sucked together with dust from the suction tool from the outer peripheral side to the inner peripheral side. .

Further, the dust collecting portion is provided with air containing dust from an intake port which is formed on the outer peripheral side and opens in the turning direction,
A separation chamber that is formed on the inner peripheral side and swirls to an exhaust port that communicates with the suction side to separate dust, and communicates via a communication port formed on the outer peripheral side of this separation chamber, and dust from the separation chamber And a dust collection chamber for collecting dust.

Further, the dust collecting chamber is detachably provided.

Further, the present invention is characterized in that a filter is provided at the exhaust port.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below in detail with reference to FIGS.

In the present embodiment, a cyclone type dust collecting portion 3 is attached to a grip portion 2 of a hose 1 connected to a cleaner body (not shown) at a substantially central portion thereof.
As shown in, the floor suction device 5 is attached to the connecting portion 2a of the hose grip portion 2 to which the dust collecting portion 3 is attached via the extension pipe 4. Therefore, the floor suction tool 5 to the hose grip portion 2 are configured to have a linear shape like a general vacuum cleaner having no cyclone type dust collecting portion of this type.

The dust collecting section 3 is formed in a substantially cylindrical shape that vertically swirls the air sucked together with dust from the floor suction tool 5 from the outer peripheral side to the inner peripheral side. As shown in FIG.
As shown in the top view and the like, there is an advantage that the length (width) of the cylinder can be shortened.

Specifically, as shown in FIGS. 2 to 5, a separation chamber 10 formed in a substantially elliptical cross-section integrally with the hose grip portion 2 in a substantially central portion of the hose grip portion 2, and this separation chamber. The dust collecting chamber 11 has an upper surface shape corresponding to an arcuate lower surface 10 and has a substantially crescent-shaped cross section.

The separation chamber 10 is provided with an exhaust gas which is formed on the outer peripheral side and in which dust-containing air from an intake port 12 which opens in the swirling direction (tangential direction) is formed on the inner peripheral side and communicates with the suction side. It is configured to swirl to the mouth 13 and separate the dust by centrifugal force. The exhaust port 13 is provided in the separation chamber 1
4 strips 13a at equal intervals on the side wall of the cylinder protruding from the inside
The opening 13b is formed by leaving the above, and a filter 14 is mounted in a cylindrical shape around the opening. This exhaust port 1
The air discharged from 3 passes through the exhaust passage 15 formed on the back surface side (shown in FIG. 4) of FIG. 2 as shown by the arrow,
It is designed to be sucked into the hose 1.

On the other hand, the dust collecting chamber 11 has a communication port 21 corresponding to the communication port 20 formed on the outer peripheral side of the separation chamber 10, and the separation chamber 10 is connected through these communication ports 20 and 21.
It is configured to collect dust from. Part of the intake air swirling around the outer peripheral side of the separation chamber 10 flows into the dust collecting chamber 11 together with dust as shown by the arrow in FIG. 2, and only the air from which dust has been removed passes from the bottom surface side to the top surface side. It is returned to the separation chamber 10 through the communication ports 21 and 20.

Further, the dust collecting chamber 11 is formed with an engaging concave portion 23 which is fitted to the engaging convex portion 22 on the hose grip 2 side at one end side (the right end side in FIG. 2) and the other end side (see FIG. 2). An engaging claw 25 that is elastically pushed into the engaging hole 24 formed on the hose grip 2 side is formed on the left end side of the) so that it can be detachably attached to the lower side of the separation chamber 10. It is configured.

The side walls of the separation chamber 10 and the dust collecting chamber 11 are formed of a transparent or translucent member (resin or the like), and the dust collecting chamber 11 can be opened and closed to discard the collected dust. Is configured.

In the above-mentioned structure, the air containing dust sucked from the floor suction device 5 is operated through the extension pipe 4 by the operation of the electric blower incorporated in the main body of the cleaner (not shown). As indicated by an arrow in FIG. 1 and the like, the dust is sucked into the separation chamber 10 of the dust collecting portion 3 and swirls in the separation chamber 10 in the vertical direction.

The intake air containing dust swirls in the vertical direction in the separation chamber 10, whereby the dust is separated by centrifugal force, and the separated dust is communicated with part of the intake air through the communication ports 20, 2.
1 flows into the dust collection chamber 11 and only dust is collected in the dust collection chamber 1
Collect in 1. On the other hand, the air from which dust has been removed is separated into the separation chamber 1
It is discharged to the suction side through the filter 14 from the exhaust port 13 formed on the inner peripheral side of 0, and is sucked to the cleaner body side via the hose 1.

In this embodiment, the dust collecting portion 3 is provided in the hose grip portion 2 so that the floor suction tool 5 to the hose grip portion 2 are formed in a straight line shape as shown in FIG. Moreover, since the hose grip 2 is provided almost at the center, the dust collecting part does not get in the way unlike the conventional case even when cleaning the gap under the bed or the like, and the hose grip 2 does not collect dust. The rotation moment of the dust part 3 does not act either. Therefore, the floor suction tool 5 can be inserted and cleaned to the inner side of the gap such as the bottom of the bed with the dust collecting section 3 of the hose grip section 2 laid down until it contacts the floor surface.
Moreover, since the operation is not heavy, the operability is significantly improved.

Further, the dust collecting chamber 11 of the dust collecting section 3 has a structure which can be attached and detached by the above-mentioned structure.
The dust collected inside can be easily discarded by removing the dust collecting chamber 11 as shown in FIG. 5, bringing only the dust collecting chamber 11 onto a trash can or the like, and opening the lid.

Further, since the exhaust port 13 is equipped with the filter 14, it is possible to collect even dust which cannot be separated by turning, so that the dust collecting efficiency is improved.

Further, since the side walls of the separation chamber 10 and the dust collection chamber 11 are formed of a transparent or semi-transparent member made of resin or the like, the intake port 12 and the exhaust port 13 of the separation chamber 10 are cleaned even during cleaning.
It is possible to directly check the state of clogging and the like and the amount of dust accumulated in the dust collection chamber 11, and it is convenient to know at a glance the result of cleaning and the time of dust disposal.

[0026]

As described above, according to the present invention, in the electric vacuum cleaner having the dust collecting portion in the suction path between the hose grip portion and the suction tool, the dust collecting portion is provided in the hose grip portion. Even when cleaning a narrow space such as under a bed, the dust collection part can be cleaned deep inside without leaving the hindrance, and the rotation moment of the dust collection part acts on the hose grip part. Since it can be suppressed, the operability is improved.

The dust collecting section is particularly effective when applied to a cyclone type.

Further, since the dust collecting portion is provided substantially in the center of the hose grip portion, the above-mentioned effect is further enhanced.

Further, since the dust collecting portion is formed in a substantially cylindrical shape in which the air sucked together with the dust from the suction tool is vertically swirled from the outer peripheral side to the inner peripheral side. There is an advantage that the width (width) can be formed short.

Further, the dust collecting portion is provided with air containing dust from an intake port formed on the outer peripheral side and opening in the turning direction,
A separation chamber that is formed on the inner peripheral side and swirls to an exhaust port that communicates with the suction side to separate dust, and communicates via a communication port formed on the outer peripheral side of this separation chamber, and dust from the separation chamber Since it is composed of a dust collecting chamber for collecting dust, it is possible to achieve the above-mentioned effects with a relatively simple structure.

Further, since the dust collecting chamber is detachably provided, only the dust collecting chamber can be removed and the collected dust can be easily discarded.

Further, since the exhaust port is provided with a filter, it is possible to collect dust that cannot be separated by turning, so that the dust collection efficiency is improved.

[Brief description of drawings]

FIG. 1 is a side view showing a state in use when a floor suction device is connected to a hose grip portion of an electric vacuum cleaner according to an embodiment of the present invention via an extension pipe.

FIG. 2 is a side sectional view of a main part of the above embodiment.

3 is a sectional view taken along the line AA of FIG.

4 is a sectional view taken along line BB of FIG.

FIG. 5 is a perspective view of the removed dust collection chamber.

FIG. 6 is a side view of a main part of the above embodiment.

FIG. 7 is a top view of the same.

[Explanation of symbols] 1 hose 2 Hose grip part 2a connection part 3 Dust collector 4 extension pipe 5 Floor suction tool 10 separation room 11 Dust collection chamber 12 Intake port 13 Exhaust port 14 filters 20,21 Communication port 22 Engagement protrusion 23 Engagement recess 24 Engagement hole 25 engaging claws

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B04C 9/00 B04C 9/00 (72) Inventor Tatsunori Fukuda 2-5-5 Keihanhondori, Moriguchi-shi, Osaka No. Sanyo Electric Co., Ltd. F term (reference) 3B062 AH02 AH05 4D053 AA03 AB01 BA01 BC01 BD04 CA01 CC04 CD21 DA10

Claims (7)

[Claims] 1. An electric vacuum cleaner having a dust collecting part in a suction path between a hose grip and a suction tool, wherein the dust collecting part is provided in the hose grip. 2. The vacuum cleaner according to claim 1, wherein the dust collecting portion is a cyclone type dust collecting portion. 3. The dust collecting portion is provided at a substantially central portion of the hose grip portion.
Vacuum cleaner as described. 4. The dust collecting portion is formed in a substantially cylindrical shape that vertically swirls air sucked together with dust from the suction tool from the outer peripheral side to the inner peripheral side. The vacuum cleaner according to any one of claims 1 to 3. 5. The dust collecting portion swirls air containing dust from an intake port formed on the outer peripheral side and opening in the swirling direction to an exhaust port formed on the inner peripheral side and communicating with the suction side. And a dust collecting chamber for communicating the dust from the separating chamber by communicating through a communication port formed on the outer peripheral side of the separating chamber. The electric vacuum cleaner according to claim 4. 6. The vacuum cleaner according to claim 5, wherein the dust collecting chamber is detachably provided. 7. The vacuum cleaner according to claim 5, wherein a filter is provided at the exhaust port.