JP2000171091A - Ceiling flush type air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling flush type air cleaner which can be fixed well regardless of the thickness of the ceiling board. SOLUTION: A rib 27 is provided on the rear surface 4a of a panel 4 slightly on the inside of the circumferential edge 4c of the panel. When the panel 4 is fixed to an air cleaner body, the rib 27 abuts against a resilient member 15 disposed on the lower surface of a flange 2. Since the rib 27 is pressed against the resilient member 15 and the resilient member 15 is recessed, the panel 4 can be fixed such that the panel surface 4b does not project from the ceiling surface 45.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a residential air purifier, and more particularly, to a ceiling-embedded air purifier that is embedded in a ceiling when a new building or a new building is renovated.

[0002]

2. Description of the Related Art Conventionally, an air purifier of a type embedded in a ceiling has been proposed. As a method of attaching the main body of this type of air purifier to the ceiling, mainly, a method of attaching a main body by opening a hole in this ceiling plate after pasting the ceiling plate, and attaching the main body to the field edge first, Then there is a method of attaching a ceiling board. In addition, the thickness of the ceiling plate is set to two types, 9.5 mm and 12.5 mm, according to the standard.

[0003] Which of the above two construction methods is adopted has been determined depending on the type of house and the situation of the construction site.

[0004]

In the latter case, the edge of the air cleaner and the surface of the air cleaner are so set that the surface of the ceiling plate to be attached later and the surface of the body of the air cleaner facing the interior space are substantially flush. The air purifier has been mounted with a spacer interposed between the air cleaner and the mounting portion of the main body. However, this spacer
If an actual ceiling plate having a thickness of 9.5 mm is used even though a member corresponding to a ceiling plate having a thickness of 2.5 mm is used, the air purifier slightly protrudes from the ceiling surface. Conversely, 9.5
Although a spacer corresponding to a ceiling plate of 1 mm was used, if the thickness of the actual ceiling plate is 12.5 mm, the air purifier will be mounted with a slight depression from the ceiling surface.

[0005] On the other hand, in many cases, the person performing the attachment does not know whether the thickness of the ceiling plate is 9.5 mm or 12.5 mm. Also, changing the spacer according to the thickness of the ceiling board,
The work itself is complicated. Therefore, an air purifier that can be installed regardless of the thickness of the ceiling plate has been desired.
Therefore, an object of the present invention is to provide a ceiling-embedded air purifier that can be favorably attached regardless of the thickness of the ceiling plate.

[0006]

According to a first aspect of the present invention, there is provided an air purifier embedded in a ceiling, comprising: a main body having an air cleaning mechanism and disposed in the ceiling. ,
A panel that is detachably attached to the main body and that is disposed on a ceiling surface; and the main body is provided with a flange that positions the main body when the main body is disposed in the ceiling. It is arranged almost flush,
The panel is large enough to cover the outer periphery of the flange, has an air inlet and an air outlet, and the opposing surfaces of the flange and the panel are provided with an elastic member on one side and a rib on the other side. A ceiling-embedded air purifier characterized in that a panel mounting position with respect to the main body can be adjusted closer or further away by adjusting a pressing state of pressing the rib against the elastic member. .

According to the first aspect of the present invention, when the rib is pressed against the elastic member, the elastic member is depressed. Therefore, when the panel is mounted on the main body fixed in the ceiling, the distance between the panel and the main body is very small. Adjustments can be made. Therefore, 1
A state where there is no gap between the panel of the air purifier and the surface of the ceiling even if the actual thickness of the ceiling panel is 9.5 mm even though the spacer corresponding to the ceiling panel having a thickness of 2.5 mm is used. The panel can be attached with. Therefore, the air purifier can be installed satisfactorily regardless of the thickness of the ceiling plate.

According to a second aspect of the present invention, there is provided an air purifier embedded in a ceiling according to the first aspect, wherein the main body includes a substantially box-shaped main body housing, and the flange is provided at an opening of the main body housing. The elastic member projects outward from the peripheral edge, the elastic member has a band shape, is disposed along the entire peripheral edge of the opening, and the rib disposed opposite to the elastic member is a rectangular ring, A part is characterized by having a predetermined thickness.

According to the second aspect of the present invention, since the elastic members are arranged in a relatively large area, fine adjustment of the interval between the panel and the main body can be performed more reliably. In addition, if the rib is a rectangular ring and has a predetermined thickness, fine adjustment of the interval between the panel and the main body can be performed uniformly without partial separation, and the elastic member is It can also be used as a sealing member for preventing air from leaking from the main body into the room.

[0010] According to a third aspect of the present invention, there is provided an air purifier embedded in a ceiling.
In the invention described in claim 1 or 2, the elastic member is a foam. According to the configuration of the third aspect of the invention, when the foam is used as the elastic member, the fine adjustment of the interval between the main body and the panel can be performed in a large range. In addition, as this foam, a polyurethane foam can be considered, for example.

[0011]

FIG. 1 is a schematic exploded perspective view showing an external configuration of a ceiling-mounted air purifier according to one embodiment of the present invention. Air purifier 1 according to this embodiment
Is provided with an air purifier main body 3 including a flange 2 arranged facing the room and a panel 4. This air purifier 1
Is a state in which the front side shown in FIG. 1 faces downward when placed on the ceiling. At this time, the air purifier main body 3 is disposed in a ceiling defined by a ceiling plate 42 (not shown in FIG. 1, but shown in FIGS. 2 to 5).

The main body 3 of the air purifier includes a main body housing 5 having a substantially box shape opened downward and a partition member 6 arranged in the main body housing 5 so as to cover a lower surface 5a of the main body housing 5. Have been. On the lower surface 5a of the main body housing 5, a frame 5 is formed in which ribs are projected in a rectangular annular shape.
b is formed integrally with the partition member 6. Inside the frame 5b, in order from the near side, an electric dust collecting unit 18 constituted by an ionizing section for discharging to charge the dirt particles and a dust collecting section for removing the charged dirt particles, And a honeycomb-shaped photocatalyst unit 19 carrying a photocatalyst for purifying contaminants such as odor components. In addition, although it was set as the electric dust collection unit 18,
The invention is not limited to this mode, and may be another known dust collection mechanism.

A pair of lamps 20 for activating the photocatalyst unit 19 are disposed in the frame 5b. At a substantially central portion of the frame 5b of the main body housing 5,
An opening 13 is formed, and a motor M
And a blower fan (not shown) rotated by the motor M. The partitioning member 6 partitions a housing space in which the motor M and the blower fan (not shown) are housed, and a housing space in which the electric dust collecting unit 18 and the photocatalyst unit 19 are housed. It is molded.

The panel 4 is provided with a plurality of air inlets 7, 7,... As air inlets for taking indoor air into the air cleaner body 3. Further, the panel 4 is provided with an outlet grill 8 as an air outlet for blowing air from inside the air purifier main body 3 into the room. Further, on the side surface (upper side surface shown in FIG. 1) of the main body housing 5 of the air purifier main body 3, an outside air inlet 9 is provided as an air intake for taking in outdoor air into the air purifier main body 3. . The outside air inlet 9 is usually connected to the outside by connecting a duct or the like, for example. The indoor air sucked from the suction ports 7, 7 and the air sucked from the outdoor through the outside air inlet 9 are purified through an electric dust collection unit 18 and a photocatalyst unit 19, and then blown by air (not shown). The air is blown from the blowing grill 8 into the indoor space by the fan.

The main body housing 5 is provided, for example, by processing a sheet metal, and an opening 10 is provided with a flange 2 which is formed to project outward from a peripheral edge 10a. The flange 2 is used when mounting the air purifier main body 3 in a ceiling. This flange 2
Includes two pairs of projecting pieces 2A and 2B facing each other. A pair of opposing projecting pieces 2 of the projecting pieces 2A, 2B
A and 2A have a large width, and each has a long hole 1 used when fixing the air cleaner body 3 in the ceiling.
2, 12, 12, 12 are formed in a line in a line of four each. When fixing the air purifier body 3 in the ceiling,
For example, a wood screw 51 (not shown in FIG. 1; not shown in FIG. 2) passes through the long holes 12, 12, 12, and 12, and a bevel 41 (not shown in FIG. 1), which will be described later, is shown in FIGS. )). An electrical case 14 is disposed above the frame 5b and the flange 2 as shown in FIG. On the lower surface of the electrical case 14, a display unit 24 for displaying an operation state, a wind state, and a wind direction state is provided.

An elastic member 15 extending along the peripheral edge 10a of the opening 10 is disposed on the lower surface 2c (the front surface shown in FIG. 2) of the flange 2. This elastic member 15
It is a band-shaped foam member, for example, a polyurethane foam. The elastic member 15 has a predetermined thickness and is arranged along the peripheral edge 10 a of the opening 10 of the main body housing 5. The elastic member 15 is provided between the pair of projecting pieces 2A, 2A.
In A, elongated holes 12, 12, 12, 12, 12 arranged linearly
It is located inside.

Reference numerals 31 and 31 denote a pair of screw holes, and a pair of screws 17 are screwed when the panel 4 is fixed to the air purifier main body 3. next,
The panel 4 will be described. The panel 4 has a substantially square shape, and its peripheral edge 4c is upward (rear shown in FIG. 1).
It is curved toward. The panel 4 has a size that covers the outer periphery of the flange 2.

The panel 4 has a plurality of holding pieces 21 and 2 hanging downward (forward in FIG. 1) from the panel surface 4b.
The decorative plate 22 has a decorative plate 22 held by 1,. The decorative plate 22 has a substantially square shape. Panel 4
Is formed by being partitioned by the panel surface 4b, the decorative plate 22, and the holding pieces 21, 21 adjacent to each other.

In addition, a window 23 having a substantially rectangular shape extending in the edge direction is formed in the panel 4 near the opposite edge of the outlet grill 8. The window 23 is formed at a position corresponding to the electrical case 14 and the panel 4
After the is mounted on the air purifier main body 3, the electrical case 14 is housed in the window 23. In this way, the display unit 24 of the electrical case 14 can be viewed from below by the user.

On the back surface 4a of the panel 4, a rib 27 is provided.
(See FIGS. 4 and 5). This rib 27
Is provided slightly inward from the panel peripheral edge 4c and has a square ring shape. The height of the rib 27 is uniform except for a region in which the rib 27 has a partially cutout shape. When the panel 4 is attached to the air purifier main body 3, the rib 27 comes into contact with the elastic member 15.

When the rib 27 is pressed against the elastic member 15, the elastic member 15 is dented. Therefore, when the panel 4 is mounted on the air purifier main body 3 fixed in the ceiling, the gap between the panel 4 and the air purifier main body 3 is set. Fine adjustments can be made. In addition, since the elastic members 15 are arranged in a relatively large area, fine adjustment of the interval between the panel 4 and the air cleaner body 3 can be performed more reliably. Further, since the ribs 27 have a rectangular ring shape and a predetermined thickness, fine adjustment of the interval between the panel 4 and the air cleaner body 3 can be performed uniformly.

Further, since the foam is used as the elastic member, fine adjustment of the interval between the air cleaner body 3 and the panel 4 can be performed in a large range. Reference numerals 16 and 16 denote a pair of through holes, through which two screws 17 and 17 pass when the panel 4 is fixed to the air purifier main body 3. FIGS. 2A and 2B are schematic cross-sectional views illustrating how the air purifier is mounted on the ceiling.

For example, a plurality of ridges 41, 41,... As a support member are arranged in parallel at predetermined intervals within a range of 450 mm to 600 mm on the back of the ceiling. This wild edge 41
Are, for example, directly attached to structural materials of a building. A ceiling plate 42 having a predetermined thickness is attached below the plurality of ridges 41, 41,..., And a ceiling cloth 46 (not shown in FIG. 2; FIG. 3 to FIG. The ceiling is configured by sticking the like. The ceiling plate 42 is made of, for example, gypsum board.

When the air purifier 1 is mounted on the ceiling, the air purifier main body 3 is fixed in the ceiling, and then the panel 4 is fixed to the air purifier main body 3 by two screws 17.
Attach to In this state, the flange 2 is attached to the ceiling surface 45.
(Not shown in FIG. 2; shown in FIGS. 3 to 5). As a method of fixing the air purifier main body 3 in the ceiling, a method of attaching the air purifier main body 3 by pasting the ceiling plate 42 and then cutting out a part of the ceiling plate 42 (the method shown in FIG. 2A) ) And a method in which the air purifier main body 3 is attached to the edge 41, and then a ceiling plate 42 and a ceiling cloth 46 are attached (a method shown in FIG. 2B).

In the method shown in FIG. 2A, an opening 47 is formed by making a hole in the ceiling plate 42, and the air purifier main body 3 is directly attached to the field edge 41 from below by means of, for example, a wood screw. It will be. By the way, in the method shown in FIG. 2B, the lower surface 2c of the flange 2 of the air purifier body 3 arranged facing the indoor space and the surface of the ceiling plate 42 to be attached later are substantially flush. A spacer 43 is provided between the edge 41 and the air cleaner body 3.
Intervene.

The spacer 43 has a U-shape, and its thickness is set substantially the same as the thickness of the ceiling plate 42. On the other hand, the thickness of the ceiling plate 42 is 9.5 mm in standard and 1
Since the spacer 43 is defined as two types of 2.5 mm, the spacer 43 also has two types, one corresponding to the ceiling plate 42 having a thickness of 9.5 mm and the other corresponding to the ceiling plate 42 having a thickness of 12.5 mm. is there.

However, this spacer 43 is used for 12.
If the actual ceiling plate 42 has a thickness of 9.5 mm, although the one corresponding to the ceiling plate 42 having a thickness of 5 mm is used, when the air cleaner 1 is mounted on the ceiling as shown in FIG. The surface 4b slightly protrudes from the ceiling surface 45. Reference numeral 44 denotes a flange 2 for arranging the panel surface 4b at an appropriate position when the air cleaner 1 is mounted on the ceiling.
Are spacers for regulating the distance between the lower surface 2c of the panel and the panel surface 4b.

The air purifier 1 according to this embodiment is
It is possible to mount in both of the two construction methods. Further, in the case of mounting by the method shown in FIG. 2B, even if the thickness of the ceiling plate 42 is 9.5 mm or 12.5 mm, the structure can cope with it. The air purifier main body 3 is attached to the ceiling using only spacers 43 corresponding to the ceiling plate 42 having a thickness of 12.5 mm. Hereinafter, the case of mounting by the method of FIG. 2B will be described.

FIG. 4 is a cross-sectional view of a main part showing an attached state of the air purifier according to the embodiment of the present invention when the thickness of the ceiling plate is 9.5 mm. FIG. 5 shows that the thickness of the ceiling plate is 1
It is principal part sectional drawing which shows the attachment state of the air cleaner at 2.5 mm. As shown in FIG. 4, when the thickness of the ceiling plate 42 is 9.5 mm, the size of the panel 4 is set such that the rib 27 is pressed against the elastic member 15. Therefore, the elastic member 15 is depressed by this pressed state.

As shown in FIG. 5, when the thickness of the ceiling plate 42 is 12.5 mm, which is a thickness corresponding to the spacer 43, the dimensions of the panel 4 are set so that the elastic member 15 is not depressed. That is, since the peripheral edge 4c of the panel 4 is in contact with the ceiling surface 45, the elastic member 15 is not dented. Therefore, even though the spacer corresponding to the ceiling plate having a thickness of 12.5 mm is used, the actual thickness of the ceiling plate 42 is 9.5.
mm, the panel surface 4b of the air purifier 1
Can be mounted without projecting from the ceiling surface 45. Therefore, the air purifier 1 can be attached regardless of the thickness of the ceiling plate 42.

In this embodiment, the lower surface 2c of the flange 2
The elastic member 15 is disposed on the rear surface 4a of the panel 4.
However, the present invention is not limited to this. For example, the rib 27 may be provided on the lower surface 2c of the flange 2 and the elastic member 15 may be provided on the back surface 4a of the panel 4. Good. Further, the rib 27 has a rectangular ring shape, but is not limited to this shape. Furthermore, rib 2
It is sufficient that at least a part of the elastic member 15 abuts on the elastic member 15.

In addition, various changes can be made within the scope described in the claims.

[0033]

According to the first aspect of the present invention, when the rib is pressed against the elastic member, the elastic member is depressed, so that when the panel is mounted on the main body fixed in the ceiling, the distance between the panel and the main body is reduced. Adjustments can be made. Therefore, the air purifier can be installed satisfactorily regardless of the thickness of the ceiling plate.

According to the second aspect of the present invention, since the elastic members are arranged in a relatively large area, the fine adjustment of the interval between the panel and the main body can be performed more reliably. In addition, fine adjustment of the distance between the panel and the main body can be performed uniformly,
Further, the elastic member can also be used as a seal member for preventing air from leaking from the main body into the room. According to the third aspect of the invention, fine adjustment of the interval between the main body and the panel can be performed in a large range.

[Brief description of the drawings]

FIG. 1 is a schematic exploded perspective view showing a configuration of an embedded ceiling air purifier according to one embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view illustrating a method of mounting a ceiling-mounted air purifier on a ceiling.

FIG. 3 is a cross-sectional view of a main part of the ceiling-embedded air purifier.

FIG. 4 is a cross-sectional view of a main part showing an attached state of the air purifier of the embodiment of the present invention when the thickness of the ceiling plate is 9.5 mm.

FIG. 5 is a cross-sectional view of a main part showing an attached state of the air purifier when the thickness of the ceiling plate is 12.5 mm.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air purifier 2 Flange 2A Projection piece 2c Lower surface 3 Air purifier main body 4 Panel 4a Back surface 4b Panel surface 4c Peripheral edge (panel peripheral edge) 5 Main body housing 5a Lower surface 5b Frame 6 Partition member 7 Inlet 8 Outlet grill 9 External air inlet 10 Opening 10a Peripheral edge 12 Slot 13 Opening 14 Electrical case 15 Elastic member 18 Electric precipitating unit 19 Photocatalyst unit 21 Holding piece 27 Rib 41 Field edge 42 Ceiling plate 43 Spacer 45 Ceiling surface M Motor

Claims (3)

[Claims] An air purifier embedded in a ceiling, comprising a body having an air cleaning mechanism (18, 19, 20) and disposed in a ceiling.
(3), detachably attached to the body (3), ceiling surface
And a panel (4) arranged on the ceiling (45) .The main body (3) is provided with a flange (2) for positioning the main body (3) in the ceiling. )
The panel (4) is arranged to be substantially flush with the ceiling surface (45), and the panel (4) is large enough to cover the outer periphery of the flange (2), and has an air inlet (7, 9) and an air outlet. (8), the surfaces of the flange (2) and the panel (4) facing each other
(2c, 4a) is provided with an elastic member (15) on one side and a rib (27) on the other side, and by adjusting the pressing state of pressing the rib (27) against the elastic member (15), the main body is adjusted. A ceiling-mounted air purifier characterized in that the panel (4) can be moved closer or further away from the panel (3). 2. The main body (3) includes a substantially box-shaped main body housing (5), and the flange (2) faces outward from a peripheral edge (10a) of an opening (10) of the main body housing (5). The elastic member (15) has a band shape and has a periphery (10) around the opening (10).
a) The ribs (27) arranged along the entire area and opposed to the elastic member (15)
The ceiling-embedded air purifier according to claim 1, wherein the air purifier has a rectangular ring shape and at least a part thereof has a predetermined height. 3. An air purifier embedded in a ceiling according to claim 1, wherein said elastic member is a foam.