JPH08168622A - Air purifier - Google Patents

Abstract

PURPOSE: To provide an air purifier capable of blowing out air only in a desired direction corresponding to an arranging place. CONSTITUTION: Air is axially sucked into a main body case having an air suction port formed to one surface thereof from the air suction port by the centrifugal fan 10 provided in the main body case to be purified by a dust collecting filter and the purified air is blown out of the air blowoff ports 15a, 16a formed to the main body case in the direction crossing the axial direction of the main body case at a right angle. The air blowoff ports 15a, 16a are formed to the main body case in opposed relationship so as to blow out the air from the centrifugal fan 10 in two opposed directions and an air blowoff port closing member 19 is attached to the air blowoff port 16a having trouble in blowoff in a freely detachable manner corresponding to an arranging place to prevent the blowoff of air on the side having trouble in blowoff.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air cleaner for sucking indoor air from an air suction port and purifying the air with a dust collecting filter, and more particularly to a structure of an air outlet for blowing purified air into the room.

[0002]

2. Description of the Related Art Conventionally, after inhaling indoor air and removing dust contained in the air by a dust collecting filter provided inside to purify the air, the purified air is blown out into the room from an air outlet. There is an air purifier. And
An example of such an air cleaner is, for example, an actual flatbed 4
Some of them are detachably attached to the ceiling, such as the one disclosed in Japanese Patent Laid-Open No. 102654.

Here, in this air purifier, air is sucked in an axial direction from an air suction port formed on the lower surface, which is one surface of the main body case, by a centrifugal fan provided inside the main body case to form a dust collecting filter. After the cleaning, the air is blown out in two opposite directions from the air outlet formed on the side surface of the main body case.

On the other hand, some of such air purifiers can be detached and placed on the floor or hung on the wall. When such air purifier is laid on the floor or hung on the wall, air is sucked from the front surface of the main body. For example, it is blown upward and downward from the upper and lower surfaces of the main body case.

[0005]

However, in such a conventional air purifier, when the air purifier is placed on the floor, the air blown upward propagates from the nearby wall to the ceiling and the When the air purifier is hung on a wall, the air blown downward moves downward along the wall and then travels down the floor toward the center of the room. Has become.

However, in other directions, for example, when the air purifier is placed on the floor, the air blown from the lower surface close to the floor winds up dust and the like accumulated on the floor,
Further, when the air purifier is hung on the wall, there is a problem that dust and the like attached to the ceiling are blown off by the air blown from the upper surface near the ceiling.

Even when the air purifier is installed so that the purified air is blown out to the left and right sides instead of the up and down direction, when the air purifier is installed near furniture or a wall, the furniture is There is a problem in that the air cannot be blown out smoothly due to the walls and the wall, and the air blowing efficiency of the centrifugal fan deteriorates.

Therefore, the present invention has been made in order to solve such a problem, and an object thereof is to provide an air purifier capable of blowing air only in a desired direction depending on the installation location. To do.

[0009]

According to a first aspect of the present invention, a centrifugal fan disposed inside a main body case having an air suction port formed on one surface sucks air in the axial direction from the air suction port to collect the air. In an air purifier configured to blow out in a direction orthogonal to the axial direction from an air outlet formed in the main body case after cleaning with a dust filter, the air from the centrifugal fan is blown out in two opposite directions. Two air outlets formed to face the main body case, and two discharges that define the inside of the main body case to accommodate the centrifugal fan and direct the air from the centrifugal fan toward the two air outlets. Air that extends to each of the discharge openings and has a fan wall having a spiral wall surface in which openings are formed so as to face each other, and presses air toward the two air outlets. A tongue forming a compression space, depending on the installation location, in which a said air blowing removably attached to port air outlet obstruction member of a side of the obstacle to balloon.

According to a second aspect of the invention, when the air outlet closing member is attached to the air outlet, it closes the discharge opening and forms a part of the wall surface of the fan storage chamber. .

According to a third aspect of the present invention, the tongue portion is detachably attached to the air outlet so that it can be removed when the air outlet closing member is attached.

[0012]

According to the invention of claim 1, air is axially sucked from the air suction port by the centrifugal fan arranged inside the main body case having the air suction port formed on one surface, and purified by the dust collecting filter. After that, the air is blown out from the air outlet formed in the main body case in a direction orthogonal to the axial direction. In addition, two air outlets are formed to face the main body case so as to blow air from the centrifugal fan in two opposite directions, and the spiral wall surface of the fan storage chamber defined inside the main body case for storing the centrifugal fan is formed. Two discharge openings are formed opposite to each other, and the air from the centrifugal fan is directed to the air outlet from these two discharge openings. Further, the tongue portion extending to each discharge opening forms a compression space between the tongue portion and the centrifugal fan so as to compress the air toward the two air outlets. Further, depending on the installation location, an air outlet closing member is detachably attached to the air outlet on the side where the blowing is hindered so that the air is not blown out from the side where the blowing is hindered.

According to the second aspect of the present invention, when the air outlet closing member is attached to the air outlet, the air outlet closing member closes the discharge opening to form a part of the wall surface of the fan storage chamber. By doing so, the air is efficiently blown out from the other air outlet.

According to the third aspect of the present invention, the tongue portion is detachably attached to the air outlet so that the tongue portion can be removed when the air outlet closing member is attached so that the tongue portion can be removed from the other air outlet. Try to blow out the air efficiently.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of an air cleaner according to an embodiment of the present invention when it is placed on the floor, and FIG. 2 is a side sectional view thereof.

In FIGS. 1 and 2, 1 is an air purifier main body (hereinafter referred to as main body), 2 is a front case, 3 is a rear case that forms a main body case together with the front case 2, and the front case 2
Is fitted into the rear case 3 to be attached and held. By the way, an opening is formed in the front surface of the front case 2, and an air intake cover 5 having an air suction port 4 having a large number of air suction slits 4a is attached to the opening.

Reference numeral 6 is a holding table detachably attached to the left and right ends of the bottom of the main body 1 so as to hold the main body 1 on the floor, and 7 is a switch portion provided at the upper end of the front case 2. The switch section 7 is provided with a start switch 7a which is operated by remote control or manually.

On the other hand, 8 is a fan case integrally formed with the front case 2, and a motor 9 having a centrifugal fan 10 mounted on a rotating shaft 9a is fixed to the center of the fan case 8. There is. Further, around the motor mounting portion 8a formed in the central portion of the fan case 8, there is an opening for allowing the air sucked from the air suction port 4 by the centrifugal fan 10 in the direction of the shaft 9a to flow into the fan case 8. The part 11 is formed.

The fan case 8 and the intake cover 5
A filter 12 for collecting dust is arranged between the and, and dust or the like contained in the indoor air sucked by the filter 12 is removed.

Further, as shown in FIG. 3, the fan case 8 has a spiral fan storage chamber 14 formed by spirally projecting ribs 13 for accommodating the centrifugal fan 10.
Is provided above one side of the fan storage chamber 14, communicates with the fan storage chamber 14, and has an air outlet 15 on the upper surface.
The upper exhaust chamber 15 in which a is formed is formed on the lower side of the other side of the fan storage chamber 14 so as to face the upper exhaust chamber 15, while communicating with the fan storage chamber 14 and the air outlet 16a on the lower surface. And a lower exhaust chamber 16 in which is formed.

By forming the fan storage chamber 14 in a spiral shape in this manner, the air flow of the centrifugal fan 10 can be efficiently blown toward the upper exhaust chamber 15 and the lower exhaust chamber 16. Has become.

An upper discharge opening 13a is formed in the upper portion of the rib 13 forming the wall surface of the fan case 8 to direct the air from the centrifugal fan 10 through the upper exhaust chamber 15 toward the air outlet 15a. A lower discharge opening 13b is formed in the lower portion to direct the air from the centrifugal fan 10 through the lower exhaust chamber 16 toward the air outlet 16a.

Further, the rib 13 is provided in the upper discharge opening 13a.
Has an upper tongue portion 17a integrally formed therewith, and the lower discharge opening 13b is detachably attached to the air outlet 16a of the lower exhaust chamber 16 when the main body 1 is attached to the ceiling. Lower tongue portion 17b integrally formed with a grid-like frame body 18 that is removed when placing or hanging on a wall
Is to be extended.

Here, these tongue portions 17a, 17b are provided for narrowing the gap S with the centrifugal fan 10 and for compressing the air passing through the gap S toward the air outlets 15a, 16a. By compressing the air toward the air outlets 15a and 16a in this manner, air can be blown out from the air outlets 15a and 16a at a predetermined discharge pressure.

By the way, when the main body 1 is mounted on the ceiling, as shown in the figure, the air outlets 15a and 16a are provided.
In addition, the grid-like frames 18a, 18 are detachably attached. Then, in this way, the frame bodies 18, 18a
The air sent from the centrifugal fan 10 to the upper exhaust chamber 15 and the lower exhaust chamber 16 is blown into the room through the air outlets 15a and 16a.

On the other hand, when the main body 1 is placed on the floor, as shown in FIG.
After removing the frame body 18 from the air outlet 16a of the lower exhaust chamber 16 on the side having a hindrance to the air blowing as shown in FIG.
An air outlet closing member (hereinafter referred to as a closing member) 19 is detachably attached to close the air outlet 16a, so that air is not blown out below the main body 1.

By thus preventing the air from being blown out below the main body 1, it is possible to prevent dust on the floor from rising. The frame 1
Since the lower tongue portion 17b is also removed when 8 is removed, the lower tongue portion 17b does not interfere with the attachment of the closing member 19.

By the way, one side surface 19a of the closing member 19 which faces the fan housing chamber 14 when it is attached to the air outlet 16a closes the lower discharge opening 13b so as to cover the rib 1.
The curved wall is formed so that the wall surface of the fan storage chamber 14 having a spiral shape can be formed together with 3. By closing the lower discharge opening 13b with the closing member 19 having the one side surface 19a, the airflow of the centrifugal fan 10 can be efficiently blown toward the upper exhaust chamber 15. ing. Further, in the figure, 19b is a mounting hole formed in the closing member 19 for mounting the holding base 6.

Next, the air cleaning operation of the air cleaner thus configured will be described.

First, the case where the main body 1 is placed on the floor will be described. In this case, when the start switch 7a of the switch unit 7 is operated by remote control or by hand, the centrifugal fan 10 rotates, and the air in the room is sucked from the air suction port 4 on the front surface of the main body 1 and then the fan case 8 The dust collecting filter 12 arranged between the air intake cover 5 and the intake cover 5 removes dust and the like contained in the indoor air.

On the other hand, the air thus sucked from the centrifugal fan 10 and purified is sent to the upper exhaust chamber 15 and the lower exhaust chamber 16 through the fan storage chamber 14, as shown in FIG. As described above, the air outlet 16a of the lower exhaust chamber 16 on the side having a hindrance to the blowing of air is provided with the closing member 19
Since it is blocked by, the air is not blown out below the main body 1.

Next, a case where the main body 1 placed on the floor in this way is attached to the ceiling will be described. When the main body 1 is mounted on the ceiling in this way, first, the closing member 19 is removed from the lower air outlet 16a, and the holding table 6 is removed from the main body 1, and then the air outlet 16a is provided with a lattice-shaped frame. The body 18 is detachably attached to open the two air outlets 15a and 16a. Finally, as shown in FIG. 5, the main body 1 is attached and fixed to the ceiling 20 by the fixing metal fittings 21 attached to the ceiling 20.

As a result, the start switch 7a is operated to rotate the centrifugal fan 10, and the air in the room sucked from the air suction port 4 on the front surface of the main body 1 is sent to the upper exhaust chamber 15 and the lower exhaust chamber 16. After being blown, each air outlet 1
It comes to be blown out indoors from 5a and 16a.

When the floor-mounted main body 1 is hung on a wall, if the floor-mounted main body 1 is mounted upside down, air is blown out only downward from the air outlet port 15a of the upper exhaust chamber 15. Will be done.

As described above, when the main body 1 is attached to the ceiling 20, the air outlets 15a and 16a formed opposite to the main body case are opened so as to blow out the air from the centrifugal fan 10 in two opposite directions. Air can be blown out in two directions. Further, when the main body 1 is placed on the floor, the air outlet 16a on the lower side can be closed by the closing member 19 so that the air is not blown downward. Furthermore, when the main body 1 is hung on a wall, the main body 1 can be turned upside down so as not to blow air upward.

By the way, in the above description, when the main body 1 is hung on a wall, the main body 1 is turned upside down so as not to blow air upward, but the present invention is not limited to this. If the main body 1 cannot be turned upside down, the upper exhaust chamber 1 on the side that interferes with the blowing of air
It is also possible to prevent air from being blown out above the main body 1 by detachably attaching the closing member 19 to the air outlet 15a of No. 5 and closing the air outlet 15a.
In the case of such a configuration, the upper tongue portion 17a integrally formed with the rib 13 in the present embodiment is provided with the frame body 18
When the closing member 19 is attached, the upper tongue portion 17a can be removed together with the frame member 18a.

[0038]

As described above, according to the present invention, the air outlets formed so as to face the main body case so as to blow the air from the centrifugal fan in the two opposite directions are closed depending on the installation location. Air can be blown out only in the desired direction.

[Brief description of drawings]

FIG. 1 is a front view of an air purifier according to an embodiment of the present invention when it is placed on the floor.

FIG. 2 is a side sectional view of the air cleaner.

FIG. 3 is a front sectional view of the air purifier.

FIG. 4 is a diagram showing a state in which an air outlet on the side having a hindrance to air blowing is blocked.

FIG. 5 is a side cross-sectional view when the air cleaner is attached to the ceiling.

[Explanation of symbols]

 1 Air Purifier Main Body 2 Front Case 3 Rear Case 4 Air Suction Port 10 Centrifugal Fan 12 Filter 13a Upper Discharge Opening 13b Lower Discharge Opening 15a, 16a Air Outlet 17a Upper Tongue 17b Lower Tongue 19 Closure Member

Claims (3)

[Claims] 1. A main body case after axially sucking air from the air suction port by a centrifugal fan disposed inside the main body case having an air suction port formed on one surface and purifying with a dust collecting filter. In an air purifier configured to blow out in a direction orthogonal to the axial direction from an air outlet formed in, two air blowers formed so as to face the main body case so as to blow air from the centrifugal fan in two opposite directions. A spiral wall formed with an outlet for accommodating the centrifugal fan defined inside the main body case, and two discharge openings facing each other to direct air from the centrifugal fan toward the two air outlets. And a tongue portion that extends to each of the discharge openings and forms a compression space that compresses air toward the two air outlets between the centrifugal fan and the discharge chamber, An air purifier, comprising an air outlet closing member that is detachably attached to the air outlet on the side having a hindrance to the air outlet, depending on the installation location. 2. The air outlet closing member, when attached to the air outlet, closes the discharge opening and forms a part of a wall surface of the fan storage chamber. Air purifier as described. 3. The air cleaner according to claim 1, wherein the tongue portion is detachably attached to the air outlet so that the tongue portion can be removed when the air outlet closing member is attached. Machine.