JP3812409B2 - Electric vacuum cleaner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vacuum cleaner used in a general home, and relates to a vacuum cleaner using exhaust.
[0002]
[Prior art]
The conventional vacuum cleaner will be described with reference to FIGS. Reference numeral 1 denotes a vacuum cleaner body having a dust collection chamber 4 containing a dust collection bag 3 in front of the electric blower 2 and having an exhaust port 5 formed behind the dust collection chamber 4. 6 is a wheel attached to the side of the cleaner body 1, 7 is a caster on the lower surface of the cleaner body 1, 8 is a hose removably attached to the hose connection port 9 of the cleaner body 1, and an extension pipe (see FIG. (Not shown), connected to a floor nozzle (not shown), dust is sucked together with air from the floor nozzle by the electric blower 2, captured by the dust bag 3 through the hose 8, and filtered air is exhausted It is discharged from the mouth 5.
[0003]
A blower connection port 10 is formed at the rear of the electric blower 2 of the vacuum cleaner body 1, and an opening / closing lid 11 that changes the exhaust discharge direction from the exhaust port 5 to the blower connection port 10 can be rotated by a spring 12. If the hose 8 is removed from the hose connection port 9 and the opening / closing lid 11 of the blower connection port 10 is attached against the spring 12, the exhaust flows into the blower connection port 10 and the exhaust is ejected from the tip of the hose 7. In addition, the dust on the counter or in the gap can be blown off and can be used as a blower.
[0004]
[Problems to be solved by the invention]
However, conventional vacuum cleaners have a problem that when using a blower, there is a problem that the odor of dust collected in the dust bag 3 and fine dust come out to the outside air while using the blower. While there was a high demand for conversion, there was a problem when using the blower.
[0005]
The present invention is intended to solve the above-described conventional problems, and an object of the present invention is to provide a vacuum cleaner that improves the cleanness and hygiene of exhaust when using a blower.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a dust collection chamber having a dust collection filter disposed on the suction side of an electric blower, a dust suction inlet communicating with the dust collection chamber, and an exhaust from the electric blower. An exhaust port that discharges air, an air introduction port that introduces outside air into a passage that communicates the outer space of the dust collection filter and the electric blower, and an open / close lid that opens and closes the air introduction port. When using the vacuum cleaner body as a blower using the exhaust from the electric blower discharged from the mouth, if the air inlet is opened with the opening / closing lid, the outside air does not pass through the dust collection filter and directly passes through the electric blower. Since it is sucked and discharged from the exhaust port, the odor of dust accumulated in the dust collection chamber does not come out from the exhaust port during use as a blower, so that the vacuum cleaner can be used comfortably.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
According to the first aspect of the present invention, there is provided a dust collecting chamber having a dust collecting filter disposed on the suction side of the electric blower, a dust suction inlet communicating with the dust collecting chamber, and an exhaust from the electric blower. An exhaust port that discharges air, an air introduction port that introduces outside air into a passage that communicates the outer space of the dust collection filter and the electric blower, and an open / close lid that opens and closes the air introduction port. When using the vacuum cleaner body as a blower using the exhaust from the electric blower discharged from the mouth, if the air inlet is opened with the opening / closing lid, the outside air does not pass through the dust collection filter and directly passes through the electric blower. Since it is sucked and discharged from the exhaust port, the odor of dust accumulated in the dust collection chamber does not come out from the exhaust port during use as a blower, so that the vacuum cleaner can be used comfortably.
[0008]
The invention according to claim 2 of the present invention is characterized in that an intake port is provided at the front portion of the main body and an exhaust port is provided at the rear portion, and a handle arm body that rotates in the front-rear direction with respect to the operation direction of the cleaner body is provided. Since the air introduction port is opened and closed by interlocking the rotation of the handle arm body and the opening and closing lid, when the handle arm body is tilted backward and used as a normal electric vacuum cleaner, the air introduction port is closed, On the other hand, when using the vacuum cleaner as a blower with the handle arm body tilted forward, the air inlet is opened with an opening / closing lid so that the handle arm body is interlocked with the handle arm body so that the dust on the floor can be removed during normal cleaning. When sucked from the intake port and used as a blower, the smell of dust does not come out from the exhaust port, so that the vacuum cleaner can be used comfortably.
[0009]
According to the third aspect of the present invention, the suction air flow from the air introduction port is introduced substantially parallel to the outer surface of the dust collection filter, and the suction air flow flowing from the air introduction port is the outer surface of the dust collection filter. since the removal of marked with fine dust in, to prevent clogging by dust, it can be maintained across the suction performance in the long-term.
[0010]
【Example】
A first embodiment of the present invention will be described below with reference to FIGS.
[0011]
Reference numeral 15 denotes a vacuum cleaner main body, in which a dust collection chamber 16, a dust collection filter 17, and an electric blower 18 are disposed from the end, and the vacuum cleaner main body 15 is formed in a substantially cylindrical shape. .
[0012]
An intake port 19 for sucking dust is provided in front of the cleaner body 15, and an exhaust port 20 is provided in the rear. The dust sucked from the intake port 19 is captured by a dust collection filter 21 in the dust collection chamber 16. It is to dust collection, further air from passing to the electric blower 18 behind the dust collecting filter 17, and discharged to the outside air from the exhaust port 20.
[0013]
A dust collection chamber lid 21 is provided at one end of the cleaner body 15, and a body waist 22 that forms the outline of the cleaner body 15 is provided at the other end.
[0014]
The substantially cylindrical cleaner body outer periphery 23 is formed with a substantially cylindrical handle arm body 25 that rotates the cleaner body outer periphery 23 with the approximate center of the cleaner body 15 as a rotation center 24.
[0015]
Handle arm body 25, rotates the cleaner body 15, and an air inlet 19 is in contact with the substantially planar with the floor surface or the like. The handle arm body 25 has an outer diameter substantially the same as that of the outer periphery 23 of the cleaner body. A rod-like protrusion 26 is provided from the outer periphery of the handle arm body 25, and the protrusion An extension pipe 27 made of a pipe or the like is provided at the end of the pipe 26, and a handle 28 having a grip property when the cleaner body 15 is operated is formed at the tip of the extension pipe 27.
[0016]
Therefore, as shown in FIG. 5, when the handle 28 is held and the handle arm body 25 is rotated to the side opposite to the air inlet 19 of the cleaner body 15 and the handle 28 is operated in the front-rear direction, dust can be sucked from the air inlet 19.
[0017]
Further, as shown in FIG. 7, the handle 28 is held and the handle arm body 25 is rotated toward the intake port 19 side of the cleaner body 15, the handle 28 is held, the cleaner body 15 is lifted, and the exhaust from the exhaust port 20 is When it is applied to the top or in the gap, dust can be blown off and used as a blower, or when the floor surface is moped with water and then exhausted from the exhaust port 20 is applied to the floor surface, the floor surface can be dried. In other words, a simple operation of rotating the handle arm body 25 in the front-rear direction enables cleaning by general suction and use of a blower function using exhaust or floor drying, etc. , Improving usability and efficient cleaning.
[0018]
An air guide 29 is provided to communicate the outside of the dust collection filter 17 in the dust collection chamber 16 with the outside air. The handle arm body 25 is provided with an exhaust port lid 30 formed integrally with the handle arm body 25. Yes. When the handle 28 and the handle arm body 25 are rotated in the direction of the exhaust port 20 of the cleaner body 15, the air introduction port 29 is closed by the opening / closing lid 30 of the handle arm body 25. When the handle 28 and the handle arm body 25 are rotated in the direction of the intake port 19 of the cleaner body 15, the air introduction port 29 is opened by the opening / closing lid 30 of the handle arm body 25.
[0019]
That is, if the handle arm body 25 is rotated toward the intake port 19 side of the cleaner body 15, the handle 28 is held, the cleaner body 15 is lifted, and the exhaust from the exhaust port 20 is applied to the counter or in the gap, When the vacuum cleaner main body 15 is operated on the floor surface, if the floor surface is moist moistened with water and the exhaust from the exhaust port 20 is applied to the floor surface, the electric blower 18 Floor surface can be dried by hot air generated by heat generation. At this time, the intake air is blown out from the outside air through the air inlet 29 and the electric blower 18 and exhausted from the exhaust port 20. At this time, since the intake air does not pass through the dust accumulated in the dust collecting chamber 16, it is collected during use of the blower. The fine dust and odor of the dust accumulated in the dust chamber 16 do not come out from the exhaust port 20, and the exhaust can be cleaned and can be cleaned hygienically.
[0020]
Also, a suction air flow from the air guide is introduced almost parallel to the dust collection filter 17, and the suction air flow blows the dust collection filter 17 to remove fine dust on the surface of the dust collection filter 17, preventing clogging by dust and suction. Maintain performance.
[0021]
【The invention's effect】
According to the invention of claim 1 of the present invention, when the vacuum cleaner body is used as a blower using the exhaust from the electric blower discharged from the exhaust port, when the air introduction port is released with the opening / closing lid, Outside air does not pass through the dust collection filter and is directly sucked by the electric blower and discharged from the exhaust port, so the smell of dust collected in the dust collection chamber does not come out from the exhaust port during use as a blower. As a vacuum cleaner can be used.
[0022]
According to the second aspect of the present invention, the air introduction port is opened and closed by interlocking the rotation of the handle arm body rotating in the front-rear direction with respect to the operation direction of the cleaner body and the opening / closing lid. Therefore, when the handle arm body is tilted backwards and used as a normal vacuum cleaner, the air inlet is closed with the opening / closing lid, the floor dust is sucked from the air inlet, and the handle arm body is moved forward. When the vacuum cleaner is used as a blower, it can be used comfortably because the smell of dust does not come out from the exhaust port by opening the air inlet port with an opening / closing lid. .
[0023]
According to the invention described in claim 3 of the present invention, the suction airflow from the air inlet is introduced substantially parallel to the outer surface of the dust collecting filter, and the suction airflow flowing from the air inlet is collected by dust. since the removal of the fine dust attached to the filter outer surface, to prevent clogging by dust, it can be maintained across the suction performance in the long-term.
[Brief description of the drawings]
FIG. 1 is a side view of a vacuum cleaner according to a first embodiment of the present invention. FIG. 2 is a front view of the vacuum cleaner. FIG. 3 is a cross-sectional view taken along line AA in FIG. BB cross section [Fig. 5] Rear view of the vacuum cleaner [Fig. 6] State diagram of the vacuum cleaner when used in a normal state [Fig. 7] State diagram of the vacuum cleaner when using a blower [ [Fig. 8] Overall side view of a vacuum cleaner showing a conventional example [Fig. 9] Partial plan view of the vacuum cleaner [Fig. 10] Partial plan view of the vacuum cleaner when used as a blower [Explanation of symbols]
15 the cleaner main body 16 dust collecting chamber 17 dust collecting filter 18 electric blower 19 air inlet 20 outlet 24 pivot center 25 handle arm body 29 air inlet openings 30 closing cover

Claims (3)

  An electric blower, a dust collection chamber having a dust collection filter disposed on the suction side of the electric blower, a dust suction inlet communicating with the dust collection chamber, and an exhaust outlet for discharging exhaust from the electric blower An electric vacuum cleaner comprising an air introduction port for introducing outside air into a passage communicating with the outer space of the dust collection filter and the electric blower, and provided with an open / close lid for opening and closing the air introduction port.   An intake port is provided in the front part of the main body, and an exhaust port is provided in the rear part. A handle arm body that rotates in the front-rear direction with respect to the operation direction of the cleaner body is provided, and the rotation of the handle arm body and the opening / closing lid are linked. A vacuum cleaner that opens and closes the air inlet.   The vacuum cleaner according to claim 1, wherein a suction airflow from the air inlet is introduced substantially parallel to the outer surface of the dust collecting filter.

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